Embedded detail for fastening of electrical component on housing wall

FIELD: electricity.

SUBSTANCE: invention relates to an embedded detail for fastening the electrical component on the housing wall of the electrical household appliance. The embedded detail is located behind the respective hole in the housing wall and is supported by an elastic sealing edge enclosing a hole, on the back side of the housing wall. According to the invention the embedded detail is fitted with a number of fasteners, which protrude from the housing with formation of clearance between them and sealing edge. The clearance is selected so that the section of the housing wall on the hole edge is fitted into it. These fasteners are distributed so that at any section of the sealing edge the sufficient clamping force is ensured. The invention also relates to electrical household appliances and method of mounting of embedded details.

EFFECT: use of given group of inventions will allow to implement a reliable fixing of embedded details with simplicity of its design.

9 cl, 6 dwg

 

The technical field to which the invention relates.

The present invention relates to fixtures for mounting an electric component on the wall of the housing of the household appliance.

The level of technology

Mortgage item of the specified kind is used in particular for fastening an electrical component (e.g., lighting device, temperature sensor, etc.,) on the inner wall or the wall of the inner case of the refrigerating apparatus. Such embedded plate is described, for example, in the application DE 102005021562 A1 (cf. the rear wall 14 in figure 2). This embedded plate is located behind the corresponding hole in the housing wall and leans integral flange surrounding the hole on the rear side of the casing wall. Mount fixtures and sealing is effected by bonding flange. Such adhesion is associated with certain costs. In addition, it is often not possible to ensure a long and lasting seal.

Application DE 102006012922 A1 describes the design wall and piece, fastened in the hole wall.

Application EP 0892230 A1 describes a refrigerating apparatus, and in the recess of the inner wall of the refrigerating apparatus is inserted lighting device.

Application DE 102009000667 A1 describes household refrigeration apparatus with a mounting cavity, which provides for mounting the element is provided for fixing the temperature sensor, lighting device and/or thermostat.

In the description of the utility model DE 29606772 U1 disclosed a device for electrical connection of the components of the refrigeration apparatus.

Application EP 0615071 A2 describes a plastic fastening element.

Disclosure of inventions

The objective of the invention is to develop fixtures of this kind, which can be fastened in a simple way and to achieve a reliable seal.

This problem is solved mortgage detail with the characteristics disclosed in paragraph 1 of the claims. The preferred options are disclosed in the dependent claims. According to the additional independent claim the problem is solved well as lighting, refrigeration apparatus and method of mounting fixtures, the described invention, the wall of the housing. The above equally applies to preferred variants of execution of the invention.

For solving the problem proposed embedded plate, which is designed in such a way that it could be placed or fastened for the corresponding hole in the housing wall. Embedded plate includes a housing and (built-in) flange surrounding the hole. Embedded plate rests on this flange on the rear side of the casing wall. According to the invention the annular flange is accomplished in the form of an elastic sealing strips, which is pressed against the rear wall of the casing to ensure tightness. For this mortgage the item there are a number of fasteners that protrude from the housing so that between them and the sealing edge form a gap. In this clearance will include a wall section of the housing on the edge of the hole. Preferably, the fastening elements cover the edge of the hole in the housing wall and/or go behind her back. In addition, these fastening elements are distributed so that at any part of the sealing edge provided sufficient clamping force to ensure reliable and long pressing of the sealing edge to the rear wall of the casing, when embedded plate fixed for the corresponding hole in the housing wall.

Embedded plate, the described invention can be attached without glue, resulting in reduced costs for installation and reduced cost. Preferably, the fastening elements are designed and arranged so as to provide a mounting tolerance relative to the openings in the housing wall. The refusal of the adhesive facilitates the removal of the fixtures, the described invention. In addition, achieves reliable fastening and sustainable seal relative to the housing wall. In particular, reached a seal impervious to foam, th is allows you to fill the foam space behind the wall of the housing in the area of mortgage details not fearing the output of foamed material, in particular foam insulation) on the front side of this wall. Further, the back side wall of the Cabinet may be called by the party of foam.

Preferably all embedded plate with the sealing edge and the fastening elements is performed as a single unit from cold-resistant polymer material. In particular, the embedded plate is made by means of injection molding.

In addition, preferably, the fastening elements have the shape of a plane and are oriented approximately parallel to the sealing lip and/or parallel to the wall of the housing. Planar design allows, in particular, to have these fastening elements on the plane, that is, they will not be too much to protrude from the front side wall of the casing, that is, for example, using conventional clamps. In addition, you can attach the mounting elements elastic properties, which will facilitate the installation of fixtures, in particular, with an increased wall thickness.

Preferably, the fastening elements are distributed along the perimeter of the fixtures so that on each side of the rectangular fixtures were located, at least one fastening element. Thereby it is guaranteed that around the perimeter sealing edge is provided is echino sufficient clamping force. As an alternative or Supplement may be provided by one of the fastening element at the corners of the mortgage loan details.

In addition, preferably, at least one fastening element can simultaneously perform the functions of the locking element that secures a mortgage item as specified and, in particular, an ideal position relative to the openings in the housing wall. The locking element prevents unwanted movement of the mortgage loan details. In particular, this locking element is designed in the form of tabs that you want to withdraw from the engagement, so you can remove the mortgage detail.

This can be implemented, for example, due to the fact that on the side of the locking element facing the sealing lip, there is a ledge that defines a locked position on the edge of the hole. When installing preferably the locking element may cover the edge of the hole in the wall of the housing outside of the ledge. For fixing the fastening element is shifted so that its ledge close to the edge of the hole.

In addition, preferably the sealing edge has the shape of a plane, in particular with a small bias relative to the casing wall. Due to such a small slope sealing strips can provide a reliable seal sealing edges and thereby sound the first seal relative to the housing wall of varying thickness. This is important, in particular, because of manufacturing tolerances cause deviations (sometimes quite large) wall thickness of the inner housing, which should not lead to leakage. The width of the sealing edge is in the ideal case, at least 15 mm, preferably at least 20 mm, in particular at least 25 mm

According to a preferred embodiment of the invention embedded plate includes a housing from which the perimeter is the seal lip. In particular, the minimum length of the side of the building is at least 30 mm, preferably at least 40 mm, in particular at least 50 mm, Despite a relatively large body, managed to achieve a reliable fastening and sealing fixtures. Seal the longer side of the plot can be achieved by providing on the side section, at least one fastening element, passing in this area clamping force on the sealing edge.

To facilitate mounting and/or Dismounting the housing is located, at least one arm. Preferably there are several handles that makes it easy to grip hand mortgage detail. In addition, preferably the housing has fins that increase the mechanical stability of the case is. According to a particularly preferred embodiment the housing has built-in reflector designed to reflect and/or distribution of radiation of the light source. In addition, the housing may have a connecting element intended to supply power to the light source or other electronic component.

In addition to the foregoing, the aforementioned task is solved by a lighting device, which includes mortgage detail, the described invention, and connected with it the upper part. In particular, we are talking about internal lighting device for refrigerating apparatus, which is attached on the inner wall (inner wall of the body) cooled internal cavity. Preferably the upper part can be connected with a mortgage detail detachable manner. In particular, under the top part means only translucent cover, while the light source and related contacts, and perhaps more, and the control unit are arranged in the mortgage loan details.

In addition, the above problem can be solved with a refrigerating unit or household appliance, which contains at least one mortgage detail, the described invention and/or at least one illumination device in one of the above-described embodiment. In particular we are talking about a domestic refrigeration device, for example the refrigerator, wine cellar, freezer, etc.

In addition, the above-mentioned problem is solved by a method of mounting fixtures, the described invention, the wall of the housing of the household appliance. According to this method embedded plate is inserted from the rear into the corresponding hole in the housing wall, and then moves in the opposite direction in the plane of the housing wall up until all fasteners fixtures will not cover the edge of the hole in the housing wall and/or will not go for it. This method of installation is significantly different from the traditional method comprising inserting details. An important advantage is that the Assembly and/or disassembly can be easily and efficiently performed even in confined spaces. Preferably embedded plate is inserted from the back side at an angle into the corresponding hole in the housing wall and moves forward until it stops so that all fasteners passed through the hole. Then embedded plate is shifted in the opposite direction in the plane of the wall of the housing so that all fasteners are at least partially joined to the front wall of the casing or pinched area of the housing wall between themselves and the sealing edge. Particularly preferably the m version of the promotion of the mortgage loan parts in this direction is limited by a locked position the locking element, in which, for example, the edge of the hole is engaged with the ledge of the locking element.

Brief description of drawings

Other characteristics and advantages of the invention follow from the following descriptions about one of the variants with regard to the accompanying figures, which show:

Figure 1: top view on an embedded item described by the invention.

Figure 2: sectional view of the base part shown in figure 1, in the plane of section shown on figure 1.

Figure 3: enlarged schematic section of the fastening element.

Figure 4: the shape of the hole in the housing wall facing the back side.

Figure 5: embedded plate (see Fig.1), mounted on the wall of the housing; a perspective view of the front side.

Figure 6: embedded plate (see Fig.1), mounted on the wall of the housing; a perspective view of the rear side.

The implementation of the invention

Directions directions used in the following description, refer to the images presented on the figures.

The figure 1 presents the embedded plate 10. Embedded plate 10 has a rectangular housing 11, on which is located an elastic seal lip 12, completely surrounding the perimeter. On the top is clearly visible planar execution sealing edge 12. The housing 11 serves are the named element, at least one electrical component.

Embedded plate 10 is designed to be installed over the corresponding hole in the housing wall, the housing 11 is located essentially at this hole, and the sealing edge 12 adjacent to the rear wall of the casing around the hole. For fastening the housing 11 of the base part 10 is equipped with eight fasteners 14a-14h, which have the form of strips, are located around the perimeter of the housing and cover the edge of the hole in the housing wall from the back side and/or go for it (see below).

The distribution or arrangement of the fastening elements 14a-14h in each area of the sealing edge 12 creates a sufficient clamping force, due to which this edge is securely and stably pressed against the rear wall of the casing along its entire length. Fasteners 14b, 14d, 14f and 14h are located in the corner areas of the housing 11. Fasteners 14a, 14c, 14e and 14g are located in the center of the respective lateral sides of the body 11. The length of the left fastening elements 14a, 14b and 14h is greater than the length of the right fastening elements 14d, 14e and 14f.

Planar execution sealing edge 12 provides optimal support and primarily impervious to the foam seal from the rear wall of the casing, allowing the foaming area mortgage item is 10, in which sometimes develops high pressure, not fearing the output of foamed material on the front side.

The figure 2 presents the incision fixtures 10. In this image, very well illustrated thin and flat design of the sealing edge 12 (for example, the total height of the sealing edge 12 is not more than 1.5 mm). The seal lip 12 has a small slope (approximately 5-15) in the direction of its outer edges. In addition, the thickness of the sealing edges decreases toward its outer edge. Both advantageous from the point of view of the sealing action. In addition, figure 2 clearly shows that the securing elements 14a and 14e are flat and relatively flat shape and are approximately parallel to the sealing lip 12. This is true for all fasteners.

Under the mortgage part 10 shown in the figures refers to embedded plate of the lighting device, which is designed for the installation of the light source in the region 15. In addition, the embedded plate 10 includes a reflecting section 16 and the connecting element 17, which is intended to establish electrical connection. On the rear side of the reflecting section 16 has ribs 18 of rigidity. Arm 19 are intended to facilitate capture the details of the hand when mounting or Dismounting.

Below on the basis of the figures describes the installation of fixtures 10 on the wall 20 of the housing with made in her hole 30 (see also Fig.3). In the installed state of the left edge 31 of the openings 30 located in the gap formed by the left mounting element 14a and the sealing edge 12. Right edge 33 of the hole 30 is located in the gap formed by the right mounting element 14e and the sealing edge 12. This is shown by arrows x and y. While fasteners 14a and 14e (like all other fasteners) serve as auxiliary support for the sealing edge 12 adjacent to the rear wall 20 of the housing, and contribute thereby to grip the sealing edge 12. While the seal lip 12 is elastically deformed and, for its part, due to the elastic reaction forces based on the rear wall 20 of the housing.

For installation of embedded plate 10 is first inserted from the back into the hole 30 at a slight angle so that the left mounting element 14a is fully gone beyond the left edge 31 of the openings 30 or swept over her, and the left edge 31 rested in the inner arc between the mounting element 14a and the sealing edge 12. This mounting movement indicated by the arrow A. During this relative movement between the mortgage loan by item 10 and the wall 20 of the casing is a few millimeters (for example, from 4 to 8 mm, preferably about 6 mm). After this embedded plate 10 is displaced in the plane of the wall 20 of the shell against ologna direction so to the right fastening element 14e went around the right edge 33 of the holes 30 or swept over her, and the right edge 33 has rested in the inner arc between the fastening element 14e and the sealing edge 12. This shifting movement is indicated by arrow B. During such movement B may need to press bond part 10 to the rear wall 20 of the body, counteracting the elastic sealing strips 12.

The offset B is only a few millimeters (for example, from 2 to 4 mm, preferably about 3 mm, but in any case less than the relative displacement (A). During the offset B is longer left mounting element 14a slips relative to the left edge 31 of the openings 30 right up until the fastening element 14a will not be able to bend in the direction of the sealing edge 12, and the locking flange 141 formed on the mounting element 14a, is sitting against the left edge 31 of the openings 30. The figure 3 presents an enlarged view of the left mounting element 14a with a built-in locking edge 141. In the embedded plate 10 is fixed in a prescribed position relative to the openings 30 in the wall 20 of the enclosure, which makes sense, in particular, from the viewpoint of the subsequent filling with foam. To disconnect this locking connection for the purpose of dismantling, it is necessary to press the hand on the connecting element 17 and/or Levu is the handle 19. These efforts may also facilitate mounting of fixtures 10.

Figure 4 shows in plan the shape of the hole 30 in the wall 20 of the housing with views of the front side. The edges of the holes 30 are denoted 31-34. Embedded plate 11 is inserted and fixed for opening. Shaded areas indicate the area of the casing wall, which after the offset fixtures 10 in the direction B will be covered fasteners 14a-14h, which will lead to an approximately uniform pressing of the sealing edge 12 to the rear wall 20 of the housing through the distribution of fasteners. The mounting element 14a serves as a locking element, so it has a long bar and a shorter flat portion 142 between which made the ledge 141. In the locked state shown in the figure, the outer edge of the shorter portion 142 adjacent to the edge 31 of the openings 30 in the wall 20 of the housing.

The outer contour of the sealing edge 12 adjacent to the rear side, as shown by the dotted line and is denoted by 121. Well seen relatively large area overlapping with the outer edges 31-34 holes 30. The shape of the hole 30 matches fixtures 10. Its shape, for example, approximately corresponds to the rectangle. When using the appropriate fixings loop holes 30 can have to adrianou, oval, round or other shape.

The figure 5 shows the embedded plate 10 mounted on the wall 20 of the housing, with views of the front side. Now on an embedded item 10 can be installed from the front side of the upper part, in particular translucent cover. Fasteners 14a-14h are located in the corner areas, and located between the side areas. The presence of fasteners in the side areas allows us to provide a sufficient clamping force on the relevant sections of the sealing edge 12. In particular, the fixing parts of a large size in these lateral regions can be provided by several fastening elements.

The figure 6 shows the embedded plate 10 mounted on the wall 20 of the housing, with views to the rear side. As shown in the figure, the seal lip 12 along its entire length around not shown holes 30 adjacent the plane of the rear wall 20 of the housing and thus is essentially parallel to the wall 20 of the housing.

1. Embedded plate (10) for mounting an electric component on a wall (20) of the housing of the household appliance, in particular for mounting an electric component on the inner wall of household refrigerating apparatus, comprising a housing (11) and a flange around the perimeter of the housing, and an insert part (10) made with the possibility of RA is a mix for the corresponding hole (30) in the wall (20) of the housing and a support flange on the rear side of the casing wall, characterized in that the annular flange is made in the form of an elastic sealing lip (12), and embedded plate (10) is provided near the fixing elements (14a-14h) that protrude from the housing (11) with the formation between them and the sealing edge (12) of the gap (x, y) for the reception of the wall section (20) of the housing on the edge (31-34) holes (30), and mounting elements (14a-14h) distributed around the perimeter of the base part (10) thus, to any part of the sealing strips (12) to ensure sufficient clamping force, when embedded plate (10) fixed for opening (30) in the wall (20) of the housing, with embedded plate has at least a base in the form of a rectangle, each of the four sides of which is at least one fastening element (14a-14h), and at the corners of the base part (10) is additionally provided with one mounting element (14a-14h).

2. Mortgage detail under item 1, characterized in that the fastening elements (14a-14h) have a flat shape and is oriented essentially parallel to the sealing lip (12).

3. Mortgage detail under item 1, characterized in that at least one fastening element (14a) functions both as a locking element that secures a mortgage item (10) in the intended position relative to the openings (30) in the wall (20) of the housing.

4. Mortgage detail under item 3, distinguish what the lasting themes on the side of the locking element (14a) facing the sealing lip (12), there is a ledge (141), which defines the locked position on the edge (31) of the hole (30).

5. Mortgage detail under item 1, characterized in that the sealing flange (12) has a flat shape and small slope.

6. Mortgage detail under item 1, characterized in that the housing (11) has a built-in reflecting area (16).

7. Lighting device for a household appliance, in particular an internal lighting device for refrigerating apparatus, which contains an embedded item (10), characterized in one of the preceding paragraphs, and the upper part is made with the possibility of connection with the specified item.

8. Household appliance, in particular a domestic refrigeration device, which contains at least one bond item (10), characterized in one of the paragraphs.1-6, and/or at least one lighting device, characterized in p. 7.

9. The method of mounting fixtures (10), characterized in one of the paragraphs.1-6, on the wall (20) of the housing of the household appliance, in which is inserted a mortgage item (10) in direction (A) from the rear side into the corresponding hole (30) in the wall (20) of the housing, then shift it in the opposite direction (B) in the plane of the wall (20) of the housing until such time as all of the fastening elements (14a-14h) zakladna the items (10) will not cover the edge (31-34) of the hole (30) in the wall (20) of the housing and/or will not go for it.



 

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SUBSTANCE: refrigerating unit, and namely a domestic refrigerating unit, includes a housing with an internal cavity enclosed with walls and an open front side. In the housing wall that passes from the front side of the housing inward there is at least one slot closed with light-permeable glass, in which at least one LED unit is located. Glass is transparent at least in some places, and a light cone of the LED unit is fully located in the internal cavity.

EFFECT: use of this invention allows minimising light losses at supply to the internal cavity, and blinding of a user will be prevented as much as possible.

17 cl, 5 dwg

Refrigerator // 2507458

FIELD: heating.

SUBSTANCE: refrigerator includes external side cover (1) forming an external cabinet; internal side cover (3) arranged inside the external cabinet and separated from it with a gap for formation of the internal cabinet; heat-insulating foam material (5) located between external and internal cabinets; vacuum heat insulator (7) placed between the external cabinet and heat-insulating foam material (5) and having a surface that faces the external side cover (1) and on which buried groove (9) is formed for installation in it of heat radiation tube (11); and plate (21) that is placed between heat radiation tube (11) installed in buried groove (9) and external side cover (1) and that covers at least some part of the open surface of buried groove (9).

EFFECT: excluding deformation of the external side cover at use of heat-insulating foam material.

5 cl, 7 dwg

FIELD: heating.

SUBSTANCE: refrigerating device includes an internal cooled chamber equipped with a heat-insulating layer, a wall and an element that creates structural noise transmitted to the wall. A bitumen-containing layer damping the vibration is placed on the outer side of the heat-insulating layer.

EFFECT: reduction of level of noise created at operation of a refrigerating device.

11 cl, 5 dwg

FIELD: heat vacuum insulation, for example, in refrigerators or domestic ovens.

SUBSTANCE: the heat-insulating wall has two external vacuum-tight layers. They are positioned at a distance from each other and vacuum-tightly connected with the aid of a connecting profile passing along then. The space between the walls and the profile is filled with vacuumized heat-insulating material. The profile consists of several sections. In annular zones of the heat-insulating wall the sections of the connecting profile are made integral. The profile may have a U-shaped cross-section. The elements of the profile sections are interconnected by welding.

EFFECT: provided leak-proofness of vacuum insulation due to absence of a joint point and piling of welded joints in angular zones; provided required profile geometry determined by functional-technical considerations, since the angular sections are preliminary manufactured parts.

9 cl, 3 dwg

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