Device to lock rotary axle of type unit

FIELD: mechanics.

SUBSTANCE: locking element, as-assembled, has its sleeve-like casing fitted on rotary axle extension and its radial ledge adjoining, on its outer side, control handle. Said sleeve-like casing comprises lug-like radially deflected spring-loaded locking element that features locking ledge directed radially inward. Said ledge, as-assembled, can come into engagement with locking recess arranged on the rotary axle extension.

EFFECT: ease of locking, reliable halt of rotary axle in control handle.

11 cl, 12 dwg

 

The invention relates to a device for locking a rotary axis lettered unit on the control stick samoobrazovyvalas stamps with swivel mechanism, at least one having the form of a sleeve element of the locking axis, which in the assembled position of the housing in the form of a sleeve mounted on the end area of the swivel axis and the outer side of the radial projection, preferably radial, flange ledge adjacent to the control knob.

From DE 1906426 A known samokritika stamp with staining at the upper course, in which a literal unit with a set of strips passes the rotary shaft (the steering axle), which means having the form of a collet elements of the locking axis, called in this case, the bearing bushing is fixed at both ends on the outside of the wheel. The swivel axis is arranged to move along the control slots in the body of the stamp, when the control knob is pressed down relative to the body of the stamp, and then lettered unit moves downwards and simultaneously rotated 180° from the top position of staining in the lower position of the drawing of the stamp imprint. The elements of the locking axis formed through a simple, smooth body in the shape of a tube, to which externally connects the radial flange protrusion, which lay down the et to the outer side of the respective shelves of the control stick. These known elements of the locking axis should with a tight fit through frictional circuit placed on a rotary axis, which can be problematic, as is usually the rotary shaft is made of steel with a smooth surface, and elements of the locking axis consist of a plastic with a relatively high hardness or rigidity, so that on the basis of manufacturing tolerances or due to wear during operation of the stamp is not guaranteed dense planting shaped sleeve element locking axis on the rotary axis. Next, the famous stamp provided by the execution of a rotary axis on the end of the extended end of which is attached adjacent the locking element axis, which leads to improved jammed while holding the pivot in the handle suggests, however, unpleasant additional process costs in the manufacture of a rotary axis.

From WO 99/16624 known samokritika stamp with swivel mechanism, the rotary shaft is molded housings that snap into the notches shelves control knobs, shelves fixed in the handle. The rotary shaft in a fixed position is located partially in the corresponding shelf and partially molded body, and the shelf has a support insert which engages in to litsevoy the groove of the rotary axis, and with the rotary shaft and the bearing liner is inserted through the molded body are held in mutual engagement. Due to the fact that bearing a rotary axis, respectively, is realized by means of two special structural elements, namely the support liner and molded case, these two structural element, and holes in the shelves of the handle should be made relatively accurately to ensure adequate installation of rotary axis for rotation.

From WO 00/21759 A known stopping end of the rotary axis in the hole in the shelf control knobs samoobrazovyvalas stamps, and direct locking element axis is the outer ring, which is divided into segments by radial internal elements of the flange engages in a groove of a rotary axis and which is preferably formed integrally with the support element in the form of a sleeve. This element supports in the form of a sleeve itself is made, however, with a smooth inner surface. In this implementation, the sizes of acting locking elements of the ring segments against required for fixing the elastic deformation is difficult to establish because of the short, out of necessity, shoulder strength.

Thus, the objective of the invention is to provide help and to offer the device for stopo is placed a rotary axis literal unit in samoobrazovaniem the stamp, which with a simple design and inexpensive manufacture of individual components enables easy fixing of the locking element axis, and a reliable stop of the rotary axis in the control stick. This further at a time by means of an element or elements of the locking axis must be given the opportunity preferred installation with the possibility of rotation of the rotary axis in the handle of the control.

To solve the above problem, the invention provides a locking device, as defined in paragraph 1 of the claims. Preferred options for implementation and improvement of the locking device are specified in the dependent claims.

Using the technique in accordance with the invention can be achieved in a simple but nevertheless reliable locking snap swivel axis on the control stick of the appropriate stamps, and the locking element axis at the same time acts as a support body or the intermediate support body for rotational and shear rotary axis in the reception or through the hole in the handle or in the slotted hole in the frame stamp. The elements of the locking axis after laying the rotary axis via the control knob, the body of the stamp and lettered unit can simply outside to sit down on the ends of the rotary axis, p is item at the same time they slide into the receiving hole in the control handle, as well as in slotted holes in the body of the stamp. In the present operating position of the reed cage body in the form of a sleeve are then engages in the locking recess of the swivel axis, and further elements of the locking axis adjacent the respective radial flanges-protrusions on the outer side in the edge area of the hole to the control stick, that is, to its respective shelf, allowing the rotary shaft is held firmly in the handle of the control.

As the control knob consists of two pushed each other elements, in particular of the outer top metal handles and internal, in particular, plastic handle element covering by edge strips edges of the metal element of the handle, with the help of the elements of the locking axis can be achieved and grip the ends of the shelves handle both elements of the handle.

From the point of view of manufacture preferably, when the locking element or each locking element is installed in the box body in the form of a sleeve and end integrally attached to the body in the form of a sleeve.

From the point of view of draping the corresponding element of the locking axis also preferably, when the freely protruding end of the latch locking element in the working position is the outer end of the locking element is a, while reed locking element on the continued inward end integrally moves in the rest of the body in the form of a sleeve.

The locking protrusion is usually provided on the freely protruding end of the latch retainer. The retaining groove on the rotary axis could be formed by separate grooves around the circumference of the rotary axis, which, however, during installation of the locking element axis may require appropriate align it relative to the rotary axis (by relative twisting). To allow draping of the elements of the locking axis in any position of rotation relative to the rotary axis, the biggest advantage is, when the retaining groove on the rotary axis formed by the annular groove.

Preferably the rotary axis to improve durability made of metal, in particular steel. For example, for a rotary axis can be used or chrome plated steel.

For stable fixing of the elements of the locking axis rotary axis further favorably when the housing is in the form of a sleeve has two diametrically opposite each other reed retaining element.

From the point of view of manufacturing the preferred embodiment of the invention is obtained when the body is in the form in which ulki formed with a radial protrusion and the locking element, accordingly, with each retaining element integrally from one piece of plastic material, preferably made of POM (Polyoxymethylene). Thus favorably further, when the casing is in the form of a sleeve with a radial protrusion and the locking element, respectively, each locking element is molded product.

The corresponding element in the locking axis could have on their outer side of the solid end wall, which moves in a radial ledge or flange-lip and which surrounds and closes the corresponding end side of the rotary axis. In order, however, if necessary, to facilitate the possible separation of the elements of the locking axis from the turning axis by an appropriate tool, and, moreover, to simplify manufacture, preferably the locking element axis to perform a through hole for sitting on the rotary axis. Using a thin-walled element of a pipe from the front side, from the outside, through the hole of the locking element axis and in direct contact around the circumference is placed on the rotary axis, it is possible to disconnect latch locking elements on the rotary axis for removal of the locking element axis with a rotary axis.

The invention is explained hereinafter on the basis of preferred embodiments, which are not limiting,with reference to the drawings, where presented:

1 and 2 types, with two different sides, samoobrazovyvalas of a stamp with a stamp unit, containing many lettered strips;

figure 3 - side view on this samokritika stamp;

figure 4 - exploded view samoobrazovyvalas stamps;

5 is made of many parts control knob with handle, component-wise;

6 is a cut samoobrazovyvalas stamp in accordance with figure 1-5;

7 is a bottom view samoobrazovyvalas stamp in accordance with figure 1-6;

Fig - the kind used in samoobrazovaniem the stamp in accordance with figure 1-7 of the locking element axis;

figure 9 is an axial section of this locking element axis in accordance with Fig;

figure 10 and 11 is a face view of the locking element axis in accordance with the directions of X and XI on Fig;

Fig - image details in section 6 similarly, in the area of the locking element axis according to arrow XII figure 6.

Figure 1-4 below presents essentially ordinary on the fundamental design and principle of operation samokritika stamp 1, with staining in the upper course, with swivel mechanism 2 for stamp-lettered unit 3. Lettered unit 3 is arranged to move in formed of two elements 4A and 4B of the housing 4 stamps, with handle and 5 control up and down, and 180°, relative to the shown in figure 1, 2 and 4 upper zero position, in which letter stamps (not visible in figure 1-4, compared with 6) adjacent to the inked stamp pad in the tank 6, having the form of a box, moving or sliding in the housing 4 stamps, at the bottom, rotated position of application of the imprint. The rotary mechanism 2 has in fact already known to design, compare, for example, US 1401436 A or US 4432281 A, and is made in the form of a rocking lever, located on the upper end can be rotated, the rotary elements 7 with the curve managing slot 8 for the rotary axis 9. This swivel axis 9 in the assembled state passes through the main part 10 lettered unit 3 (compare also figure 4 to 6); further, the rotary shaft 9 passes through the longitudinal slots 11, respectively, 11A, 11B (see figure 4) housing 4 stamps and fixed by means of shaped sleeves elements 12 of the locking axis in the shelves 13 of the handle 5 of the control.

The rotary elements 7 by means of pins 14 mounted to rotate in the holes 15 (respectively, 15A, 15C) of the housing 4 stamps, and they have an internal axle 16 which in turn lettered unit 3 in its downward movement by means of the handle 5 and the pivot axis 9 engages in lateral guide grooves 17 lettered and the regatta 3 (compare with figure 5).

The control handle 5 is usually by means of a spring 18, in particular a helical compression spring which rests on the upper side of the housing 4 stamps, pressed in its depicted in figure 1-3 upper zero position, and maybe against the force of this spring 18 to move downward relative to the housing 4 stamps. The spring 18 is placed in the pipe element 19, which passes inside located on the upper side of the handle 5 on its cross members or cross member 20, the handle 21, and the arm 21 and the element 19 of the pipe when the actuation of the stamp 1 on the telescopic principle slide into each other.

On the housing 4 stamps later enshrined in the form of angle text observation window 22 with a relatively large front surface 22A and the upper surface 22B, and the upper surface 22B is provided a slit-like notch at 22 ° C in order to be able to push the overview window 22 when placed on the body 4 stamps, in particular by snap into place with the bottom, forming the inner lip of the locking strips 23 (see figure 4), and item 19 of the pipe, as best shown in figure 2, in the assembled state is placed in this recess 22P. From figure 4 further comparable visible in the form of angle, fitted top, back slot text card 24, and this t is Kostova card 24 provides a relatively large area of the imprint - as on the front side and on the top side for the placement of relevant information through the stamp imprint. Text card 24 when placed in the overview window 22 can be inserted based on a locking plate 23 and together with it to gain a foothold on the upper element 4B of the housing die relying on its upper side, and fixing the retaining strap 23 on the crossbar 25 of the top element 4B of the housing of the stamp.

Figure 1 also shows a push-button stopper 26 on the handle 5, which cooperates with the notches 27 on the element 19 of the pipe, to be able to lock the control handle 5 in a predetermined position relative to the housing 4 of the stamp, as it is, in essence, is known.

Similarly, as the body 4 stamps, pen 5 management also consists of two shifted relative to each other, namely, the upper or outer, metal, U-shaped element 5A of the handle and the bottom or inner, made of plastic element 5B of the handle, which at its upper transverse element 20B has not only shaped clamping element 26' to push the stopper 26, and, in addition, holds at its upper side having the shape of a tube socket 70, which on its upper side, i.e. facing away from element 5B of the control end is closed by wall 71 with a Central hole 72. This Patra is OK 70 is provided with two diametrically opposite each other locking elements 73, which are made in the form locking tongues 74, one for acting out stop lug 75 provided on the freely protruding end (compare with figure 5, 6).

Having the form of a pipe socket 70 in the assembled state of the handle 5 control, i.e. when the metal top element 5A of the handle 5 control nadenut on the lower element 5B, protrudes through an opening 76 in the upper transverse portion 20A of the metal element 5A of the handle and pushed inside made in the form of a hollow housing 21' of the handle 21 (see Fig.6). The bottom plastic part 5B of the handle provided at its front side and its rear side metal covering the top element 5A of the handle guiding plates 77, which provide a base 78 for a tight fit of the top element 5A of the handle on the lower element 5B of the handle and, in addition, cover the sharp metal edge of the top element 5A of the handle-type lining.

In the presented figure 6 assembled position the locking elements 73 to the pipe 70 work together with corresponding locking elements 79 in the form of upturned edges 80 of the handle 21, and these edges 80 are edges diametrically opposite locking niches or retaining grooves 81 (see figure 5 and 6) in the inner element 82 of the pipe arm 21. This element 82 of the pipe next to his, according to figure 5, 6, the upper side, Kotor is pointing away from the control or handle 5 management closed by the end wall 83. This end wall 83 in the assembled state, as shown in Fig.6, is based on the top wall 71 of the socket 70 and, thus, additionally stabilizes such fastening arm.

As evident from figure 5, the arm 21 has in addition to its own hollow housing 21' fixed on it the cover 84 and the retaining plate 85 on the upper end side of the hollow body 21' through the outer, having the form of a knob, not represented in more detail the locking protrusion is actually the normal way to be snapped into a slot 86 in the wall of the cover 84. Cover 84 has a flat front side 87 (see figure 5), through which it is routed along the element 82 of the pipe. For this purpose there may be direct contact, however, may also be provided, in essence, an ordinary moving through the groove and spring, and from 5 obvious corresponding guide groove 88 on the element 82 of the pipe. Such movement by means of a groove and spring, guide groove 88 facilitates the handling and the snap cap 84 on the hollow body 21'. However, the cover 84 by sliding up can again easily be removed from the hollow body 21', thereby creating access to the internal space of the hollow body 21' of the handle, thereby to stop rim elements 73, so these locking elements 73 can radially be pressed inward to release the locking engagement by the edge element 80 and 82 of the pipe and, thus, to be able to remove the handle 21 and, accordingly, its hollow body 21' of the handle 5 control. Thus, despite the fact that is achieved externally stable locking connection between the handle 21 and the handle 5 with the help of the described elements of the locking connection, the handle 21 may simply and conveniently be removed and, for example, be replaced by another arm, for example, with a different shape and/or outer surface.

As it is obvious then from figure 5, the element 82 of the pipe inside the hollow body 21' of the arm may be connected to the latter via at least mostly radial ribs 89 stiffness, which in the top view are approximately in the form of stars. Preferably, both shown in figure 5 of the front transverse ribs 89 are eccentric and parallel to the front side 87 of the cover 84.

The bottom element 5B of the control stick together with the nozzle 70 as well as the hollow body 21' of the arm together with the element 82 of the pipe, preferably made integrally as a cast product, and as a synthetic material can be used, for example, Acrylonitrile-butadiene-styrene copolymer (ABS), under certain conditions, however, also poly is cimitile (POM) or a comparable synthetic material.

For the spring seat 18 on the inside surface of the handle 21 would be self-evident and possible instead of the upper wall 71 or additional propping up its end wall 83 to provide the crossbar of the ribs or something similar. End wall 83, in principle, can be absent. Element 82 of the pipe could then be designed as a nozzle pipe, the upper end face of which defines passing through the circle of the upper edge 80 as the locking element 79. It is also possible that functional considerations to replace the locking elements 73 and 79, i.e. to provide elastically deformable locking elements on the element 82 of the pipe and hard, interacting with them, the locking surface or locking recesses in the socket 70. It is also possible to provide a solid handle 5, in particular from plastic, and if necessary, also of metal. The form of the handle 21, in addition to presents the shape of a truncated cone with flats, can also be, for example, cylindrical, spherical, etc.

7 stamp in accordance with figure 1-4, for the sake of completeness of perception, is also represented in a visual form below. It is obvious that the casing 4 stamps, similarly to the control handle 5, consists of two elements 4A, 4B, so that in effect at the bottom, made of plastic item 4B (compare with figure 4) in the four corner areas 90 building the sa 4 stamps through the overlapping edge of the plates 77' forms a guide for the insertion of the metal element 4A of the housing. At the same time edging plate 77' in the corner zones 90 item 4B corps stamp also form a guide for insertion of the handle 5 control during its downward movement relative to the housing 4 stamps to lettered unit 3 presents the top zero position or position of staining move or reject down productions imprint stamp. In the corner zones 90 plastic element 4B corps stamp forth from the side of the bottom formed or glued round, preventing the sliding element 91 of plastic or rubber. These anti-slide elements 91 due to their high friction prevents unwanted slippage of the housing 4 of the stamp when it is installed on the substrate (paper, cardboard, etc.) when the execution of the stamp imprint. In addition, the angular zone 90 plastic element 4B of the housing allow for a more comfortable grip body stamps, as they sometimes close the sharp edges of the metal element 4A corps stamp.

Figure 7 and figure 4 shows that the housing 4 stamps, namely, specifically, the metal element 4A, its lower edge forms a nozzle frame 92 with a rectangular orifice 93 to stamp unit 3. The Packed frame 92 is installed, however, the corresponding intended for stamping basis, not directly and, as mentioned, by preventing the sliding elements 91.

On Fig-11 is presented in detail having the form of a sleeve element 12 of the locking axis, and two such locking element 12 axis are used for locking the swivel axis 9, passing through the stamp unit 3, as well as through the housing 4 stamps in the holes 94 (figure 4) or A, B (figure 5) handle 5 control. Presents the locking element 12 of the axle are made of solid cast parts with the body 95, generally having the form of a sleeve, and connected to it is in the working position with the outer side of the radial flange-ledge 96. The radial protrusion 96 surrounds the entrance passing through the element 12 locking the axis of the hole 97, which, basically, has a round cross section, not taking into account two diametrically opposite each other, formed on the latch locking elements 98 of locking lugs 99. The locking elements 98, respectively, freely installed in the window 100, not counting the one in the working position inside the end, which is directly connected to stoparea the casing-sleeve 95. The locking protrusion 99, on the contrary, is formed on the opposite, freely protruding end of the latch retainer 98 and presented on Fig.9 zero position juts out inside the designated hole 97 C is indicacao space, (compare with figure 10, 11). Not given zone reed retainer 98, case-sleeve 95 its forms, generally cylindrical, outer surface of the bearing surface for installation with rotation in the corresponding hole 94, respectively, A, V. In this working position, the radial flange protrusion 96 is adjacent to the outer side of the control or handle 5 management, in particular, is evident from figures 1, 2 and 7, however, first of all, details of Fig. This is presented in detail and on an enlarged scale the image section according pig you can also see that in the working position, the latch locking elements 98 its locking lugs 99 engages the retaining recess 101, which is made in the form which runs around the entire circumference of the rotary axis 9 of the ring groove.

The locking element 12 axis can be injection molded, for example, Polyoxymethylene (POM) or comparable, relatively solid, pruinose elastic synthetic material. Presented at Fig working position, the locking element 12 axis sets the rotary shaft 9 in the control or the control handle 5 with a possibility of rotation, and it protects the rotary shaft 9 from unwanted promotion of the stamp 1 and, in addition, due to the fact that the radial flange protrusion 96 is adjacent to the current side of the plastic element 5A of the handle, keep this item 5A of the handle in contact with respect to the metal element 5B of the handle, so that the ends of the elements 5A, 5B of the handle are not separable unwanted manner in relation to each other. On the upper side of the handle 5 control elements 5A, 5B with transverse parts 20A, 20B are held relative to each other by the arm 21, or rather its hollow body 21', its lower edge is adjacent to the metal cross member 20A when it clicks into place through its element 82 of the pipe on the pipe 70 plastic element 5B of the handle.

In principle, it is sufficient if the locking element 12 axis contains only one latch locking element 98, and on the other hand, can also be provided and more than two such locking elements 98, for example, three or four. In essence, also, instead of the annular groove as the locking recess 101 can be provided with a corresponding number of separate, spaced around the circumference of the arcuate locking grooves 101, however, then during installation when handling the corresponding element 12 of the locking axis on the rotary shaft 9 within the holes A, B, you need to pay attention to the relevant direction of rotation of the two parts 9, 12.

If the locking lugs 99 on their axial outer side (in accordance with the image on Fig totheir left side) is provided with a directional inside bevels or chamfers, the locking elements 98 may also be removed from locking engagement in the stop recess 101 through that hole 97 between the radial flange protrusion 96 and the pivot axis 9 is inserted into the thin-walled tubular element, which is in contact with the locking tabs in the zone of the locking tabs slide on these bevels and, thus, pulls the locking projections 99 of the locking recesses 101.

For the sake of completeness of perception to 6 you need to add that there is, in accordance with the image of the left locking element 12 axis shown in the same positions on Fig in which distinguishable reed retaining elements (not denoted in more detail figure 6), while on the right side 6 of the locking element 12 axis presents rotated in the opposite position, and hence also better visible location on the rotation axis 9 in the through holes 94 of the control stick.

1. Device for locking a rotary axis (9) literal unit (3) on the handle (5) control samoobrazovyvalas stamp (1) with swivel mechanism (2), at least one having the form of a sleeve element (12) of the locking axis, which in the assembled position of the housing (95) in the form of a sleeve mounted on the end zone of a rotary axis (9), and on the outer side of the radial projection (96) adjacent to the handle (5) control the population, characterized in that the housing (95) in the form of a sleeve contains at least one reed, pruinose radially deviated by the locking element (98) directed radially inside the locking protrusion (99), which in the assembled position is made with the possibility of introducing a mesh designed as a corresponding locking element of the locking recess (101) in a rotary axis (9) in its end zone.

2. The device according to claim 1, characterized in that the latch locking element (98) is in the box (100) of the housing (95) in the form of a sleeve, and one end integrally adjoins the housing (95) in the form of a sleeve.

3. The device according to claim 2, characterized in that the locking protrusion (99) is implemented in the freely protruding end of the reed retainer (98).

4. The device according to claim 1, characterized in that the retaining recess (101) formed in the rotary axis (9) by means of annular grooves.

5. The device according to claim 1, characterized in that the rotary shaft (9) is made of metal, in particular of steel.

6. The device according to claim 1, characterized in that the housing (95) in the form of a sleeve has two diametrically opposite each other latch locking element (98).

7. The device according to claim 1, characterized in that the housing (95) in the form of a sleeve together with a radial projection (96) and, respectively, with each retaining element (98) is formed monolithic is, preferably Polyoxymethylene.

8. The device according to claim 7, characterized in that the housing (95) in the form of a sleeve with a radial projection (96) and, respectively, with each retaining element (98) is made in the form of a cast product.

9. The device according to claim 1, characterized in that the element (12) of the locking axis is made a through hole (97) to be slipped on easily on the rotary shaft (9).

10. Device according to any one of claims 1 to 9, characterized in that the handle (5) control contains two pushed each other element (5A, 5B) of the handle, the ends of the shelves which respectively have through holes (A, B) for a rotary axis (9), and pulled down or pulled down on the swivel axis of the locking element axis or the elements of the locking axis at the same time hold relative to each other shelves (13) elements (5A, 5B) of the handle.

11. Device according to any one of claims 1 to 9, characterized in that the freely projecting end of the latch retainer (98) in the working position is the outer end of the stopper member, latch locking element on the continued inward end integrally moves in the rest of the body in the form of a sleeve.



 

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