Panel, principally, floor panel

FIELD: construction.

SUBSTANCE: panel at least on two opposite side faces is equipped with corresponding hooks, at the same time the first hook is formed by profiling open towards the upper side, and the second hook is formed by profiling open towards the lower side, which on the first hook forms a ledge directed towards the upper side, and on the second element it forms a ledge directed substantially towards the lower side. Two identical panels are arranged as capable of connection and fixation to each other in horizontal (H) and vertical (V) directions by means of a vertical jointing movement. At least one of ledges during the jointing movement diverts in horizontal direction, and then with the help of the vertical fixation is latched behind the fixing face stretching substantially in horizontal direction (H). At least one of hooks is segmented, forming multiple elastic elements arranged in parallel at a distance from each other. Elastic elements are arranged at the angle (α) to the longitudinal axis (L).

EFFECT: invention provides for reliable fixation of panels.

 

The invention relates to panels, especially floor panel, with a core of wood composite material or a mixture of chipboard material with synthetic material, the upper side and the lower side, while the panel on at least two opposite lateral sides match each other hooks, the first hook formed open essentially to the upper side of the profile, and the second hook is formed open essentially to the lower side of the profile, which on the first toe forms a directed essentially to the upper side of the protrusion, and the second element forms a directed essentially to the lower side of the ledge and at least one hook is elastic element when the connecting motion is deflected in the horizontal direction, and then order the vertical fixing snaps behind extending essentially in the horizontal direction of the fixing face, and at least one of the hooks segmented, and due to this cause an array of parallel spaced at a distance from each other elastic elements.

This panel is known, for example, from DE 102007020 A1.

Also known from DE 102007015048 A1 panels locking element, which is extending in a horizontal direction fixing surface, wire is moved relative to the core, so when the downward movement of the fixing element can realize deflecting movement. When low, the thickness of the panels, especially with the thickness of 6 or 7 mm, often lack the rigidity of such compounds. Under normal testing chair rollers (DIN 13329) between adjacent panels due to multiple variable load, you may experience slight offset in height, especially in the area of transverse fixation, which becomes immediately apparent when an unfavorable light is incident, so that the flooring can give the impression of insufficient quality.

From DE 10224540 A1 famous sex panel, which in the horizontal plane is limited provided with a decorative layer top side and provided for installation on the ground floor the lower side of which is provided with means for detachable connection of at least two panels, with at least one first side face of the connecting means are made so that fixation occurs in the transverse direction and the vertical direction, while the second, held at an angle to the first side face side face executed elements with geometric circuit for locking in the vertical direction with the other panels. This floor panel elements with geometric closure made in cross n the Board and the vertical direction at a distance from each other on two located at a distance to each other, oriented essentially vertical walls. To the coupling of two panels remained possible, for horizontally directed clamping surfaces can be set small. Transverse stretching is in the range of about from 0.05 to 1.0 mm due to this, inevitably, you also receive the ability to perceive slight vertically directed efforts, so production should be carried out with extremely small tolerances in order to ensure that already minor irregularities of the floor and/or soft grounds of sex connection when the normal load is not disclosed.

From DE 10159284 A1 famous panel with a core of wood composite material, which at least on one side along its entire length has a forming the upper jaw and lower lip of the groove and on the opposite side is made with a corresponding groove comb. For fixation of interconnected panels comb provided with at least one protrusion and the groove on the opposite at least one protrusion of the sponge has at least one recess. When this recess is longer than the protrusion, with the deepening of the sponge is on the side of at least one up to deepen the recess, the length of the recess at least the same as the length of the projection. The recess and protrusion cm is shifted with respect to each other relative to the longitudinal direction. Due to this construction, the connection of the two panels there is a bayonet manner with a first docking is directed in the transverse direction of panel movement, so that the comb is inserted into the groove, and then through directed in the longitudinal direction is the fixation of both panels by type bayonet lock.

This profiling of the side faces is structurally very expensive and stacking panels partially difficult, as you need to make sure that the combs into the slots on the entire length of the lateral faces. If then the final locking movement is not completely parallel to the longitudinal axis of the panel, there is a danger that the subject of fixing the panel will warp and comb slips out of the groove, so that the commit is no longer possible.

DE 19823357 A1 describes wall tiles with essentially flat, rectangular main part, which has a front surface, a mounting surface, and connecting the front surface to the mounting surface of the end surface. At least one of the end surfaces is a spacer, which contains a means for compensation of thermal linear expansion of the ceramic tiles. These separators have a profiling in the form of a hook, so that the two ceramic tiles can the is taken with each other by a vertical lowering movement.

Also DE 20008708 U1 describes a panel with the side edges with a profiling in the form of hooks (hooks)that can connect to each other with geometric circuit by a vertical lowering movement.

From WO 2008/116623 A1 famous sex panel, which at least at two opposite lateral sides have a corresponding each other profiling that two identical panel made by essentially vertical expansion of the movement are connected and fixed to each other in horizontal and vertical positions. Fixation in the vertical direction is caused movable in the horizontal direction by the elastic element, which when connecting the movement is latched behind extending essentially in the horizontal direction of the fixing face. This elastic element is made integrally from the core.

From this perspective, the above panel should be improved so that the profiling hooks improved so that they can be made larger clamping surface and, thereby, ensures reliable fixation.

To solve the problems known from the prior art panel differs in that the elastic elements are passing obliquely at an angle to the longitudinal axis.

This fixation OS is especially suitable for control side connected panels. Hooks on the opposite lateral faces are back into engagement with each other and thereby lock the two panels in the horizontal and vertical directions. Thanks to the segmentation elastically deny the hooking protrusions are displaced and in the final position of the panels again locks into its original position, due to which there is vertical fixation. Due to the fact that the elastic elements are at an angle to the side face (longitudinal axis), the corresponding lower zacapu becomes possible by connecting the two panels to deviate downwards and sideways at the same time. This results in more space for the passage of the upper hook. Due to the inclined surface of the locking surface becomes larger, which makes fixing even safer.

Preferably, both tabs are back undercut, and each has undercut extending essentially in the horizontal direction of the fixing face.

If the elastic elements are made open to the upper side of the toe, the installation is simplified, because the lowering movement of the newly stacked profile becomes average.

If the lower side of the elastic elements beveled at least in the area of the protrusion on the lower side at an angle β relative to the horizontal, then there is ample space for off the tion, so when fixing elastic element could carry out a rotary movement.

Deflecting movement of the elastic element consists of several movements. Mainly elastic elements due to the upper ledge are displaced in the direction of the longitudinal axis of the panels. Thanks passing obliquely to the longitudinal axis of the grooves of the elastic elements may also deviate in the transverse direction of the panel. Bending stiffness of elastic elements in the transverse direction is mainly determined by their width. Due to the detent horizontal deviation of the projection in the transverse direction leads to the extension of the groove, so that the rear undercut one protrusion is engaged with the rear undercut another ledge. Deflecting movement of the elastic element can be closed by rotation about passing in the transverse axis direction, if the elastic element has to reject enough space in a downward direction.

Preferably, the angle β is less than/equal to 10°.

Preferably, the elastic elements are arranged at a regular distance from each other.

The method of connecting and fixing the two made according to the invention of the panels is through what is connected in the groove panel open down the hook turn around lying near and parallel to the longitudinal side of the axis of rotation in leg the General on the floor panel in the open to the upper side of the hook, this ledge sequentially captures and elastic curves the projections of the elastic elements, so that these deviations and each protrusion of the elastic element springs, when made it back undercut is in overlapping relation to the rear undercut in the open ledge down a hook, while deflecting movement of the elastic elements is divided into the following three movements:

a) displacement of the projection in the transverse direction of the panel,

b) the deviation of the protrusion in the longitudinal direction of the panel,

C) the extension is made between the lip and the side face of the open top of the groove.

The extension groove may be superimposed on the rotary movement of the ledge around directed in the longitudinal direction of the swivel axis.

The embodiments of the invention shall be explained in more detail using the drawings, in which:

Figure 1 - depiction in perspective of two panels during the connection process,

Figures 2A-2G is a separate stages commit

Figure 3 is a partial top view of the panel,

Figure 4 is a side view according to arrow IV according to figure 3,

Figure 5 is a top view of the panel in a fixed position according to figure 2B

Figure 6 - view of the panel according to arrow VI in accordance with figure 5,

Figure 7 is a partial image in perspective another constructive form of the panel,

Figure 8 - a of the representation in perspective of two panels during the connection process in another constructive form.

Panels 1, 2 are made identical. They consist of a core 17 wood composite material or a mixture of wood-particle material with a synthetic material. Longitudinal side of the panel, usually longer than its transverse direction. On the drawing panel 1, 2 is shown at the junction of their transverse sides. At its opposite side edges I, II panels 1, 2 are profiling, while the side I of the upper side 18 and the side II of the bottom side 19 milled. Due to this, there are two corresponding to each other of a hook (hook element), with a hook 4 contains directed to the upper side 18 of the protrusion 5 and the hook 6 is directed to the bottom side 19 of the protrusion 7. Both hook 4, 6 provided in the rear undercuts 8, 9. Rear cutting 8 is formed fixing element 3, the protruding side of the protrusion 7 in the direction of the core 17. Rear undercuts 8, 9 have one extending essentially in the horizontal direction of the fixing faces 10, 11. As can be seen in the figures, the locking faces 10, 11 can be held at an angle to the horizontal H. However, the locking action is directed in the vertical direction V, so that, in spite of this, the locking faces are essentially in a horizontal direction.

The hook 4 is made elastic and segmented, so formed CTD the global elastic elements 4, which are at a uniform distance from each other. The elasticity of the elastic element 4 is formed, on the one hand, due to the thin bottom lip 12, which protrudes outward from the side I and the outer side of which is adjacent the ledge 5 and, on the other hand, due to implemented through on a straight-line distances at an angle α in the vertical direction along the entire hook 4 grooves 13. That is, each of the elastic element 4 is connected with the core 17 of the panel 1 only on one side. In the area of the protrusion 5 of the lower sponge 12 is held at an angle β relative to the horizontal.

As shown in Fig.7, the locking element 3 can be segmented, so there are a lot arranged in parallel at a distance from each other of the clamping elements 3. For installation height offset of two interconnected panels independently from the locking function, shown in figure 8 example of the implementation of the panels 1, 2, are provided on a horizontal surface 20, 21 of the seal.

Figures 1 and 2A-2G explain the process of fixing. On neizabranog here the longitudinal side of the panel 1, 2 is provided with profiling, through which is possible to insert installed panel 2 at an angle in the longitudinal direction is already lying on the floor panel, and then for connecting/fixing the longitudinal sides of the limb is to be on the ground floor. This profile is disclosed, for example, in DE 10224540 A1, the amount of disclosure which provides a full reference. On the lateral side to the short side of the panel is 1,2 - provided by the proposed profiling. Again apply the panel 2 is attached to the longitudinal side already lying on the floor panel, and its side face 2 tightly to also already on its longitudinal side connected already with the laid panel panel 1. When turning down the ledge 7 of its beveled lower edge 14 comes into contact with a beveled upper side 15 of the protrusion 5 (figure 2A), due to which the protrusion 5 is first deflected in the transverse direction Q so that the groove 12, which is made between the side face of the I and the protrusion extends. Due to the fact that every single elastic element 4 is opened (released) in relation to the core 17 in the longitudinal direction L of the panel 1 by passing obliquely at an angle α of the groove, further lowering movement of the panel hook 5 can also deviate in the longitudinal direction L of the panel 1. A simultaneous rotary movement of the ledge around 5 parallel to the longitudinal direction L of the panel 1 swivel axis S. For the purpose of this movement of the lower sponge 12 is beveled at least in the area of the ledge 5 at an angle β. Rotary motion is up until the bottom hubka in this area is not attached to the subfloor, making further rotary movement is prevented (see figure 2B). Upon further lowering of the panel 2 rear undercuts 8, 9 overlap each other. Tab 5 elastically springs around the swivel axis S, and the hooks 4, 6 are engaged with each other, with the locking surfaces 10, 11 adjacent to each other. Interconnected panels 1, 2 are flush with each other in the upper region of the side edges I, II. As can be seen in figure 2G, the surfaces 15, 16 tab 5 is not in contact with the panel 2.

The above profile connection has the advantage that it is made of solid material of the core, does not require other parts, and because of this you should observe smaller tolerances in the manufacture than usual. Due to the higher stiffness in the vertical direction can be carried great efforts. Profiling is also suitable for thin panels and for making requires moving only on one side tools, preferably cutter with cut-in feed. Manufacturing is done essentially as described in DE 102007015 A1. For the manufacture of the rear undercuts 8, 9 hooks 4, 5 are processed through not shown vertical tool. Passing obliquely to the longitudinal axis L of the panel grooves 13 are created by cutting into the core 17 in a vertical direction is a milling tool, while the panel 1 moves past the position of the handle (not shown). Since milling cutting tools are arranged obliquely to the direction of movement, they must be sharpened so that they carried out the cutting in the direction of cutting, and in the direction of movement of the panel 1. Thus, there is a so-called stretching the cut.

A list of reference designations

1 Panel

2 Panel

3 the Locking element

4 Toe/elastic element

5 Lug

6 Hook

7 Ledge

8 Rear Podrez

9 Rear Podrez

10 the Locking surface

11 the Locking surface

12 lower lip

13 Cut/groove

14 Groove

15 Surface

16 Surface

17 Core

18 Upper side

19 bottom side

20 Connecting face

21 Connecting face

I Side

II the Side

α Angle

β Angle

L Longitudinal direction of the panel

Q Transverse direction of the panel

V Vertical direction

1. The panel primarily sexual panel (1, 2), core (17) wood composite material or a mixture of chipboard material with synthetic material, the upper side (18) and bottom side (19), with the panel at least at two opposite lateral sides (I, II) match each other hooks (4, 6), the ri first hook (4) is formed open, essentially, to the upper side (18) profiling, and the second hook (6) is formed open, essentially, to the bottom side (19) profiling, which is on the first toe (4) forms a directed essentially to the upper side (18) of the protrusion (5)and the second element (6) forms a directed essentially to the bottom side (19) of the protrusion (7), with two identically made panels made with the ability to connect and commit to each other in the horizontal (H) and vertical (V) direction by essentially vertical expansion movement, and at least one of the projections (5, 7) when connecting the movement deviates in the horizontal direction (H), and then order the vertical fixing snaps behind extending essentially in the horizontal direction (H) fixing faces (10), and at least one of the hooks (4) segmented, and due to this cause an array of parallel spaced at a distance from each other elastic elements (4), characterized in that the elastic elements (4) are passing obliquely at an angle (α) to the longitudinal axis (L).

2. The panel according to claim 1, characterized in that the two protrusions (5, 7) have a rear undercut (8, 9), and each undercut (8, 9) has extending essentially in the horizontal direction (H) the locking face (10, 11).

3. The panel according to claim 1 or 2, wherein forming the second elastic elements hook (4) is open to the upper side of the hook (4).

4. The panel according to claim 1, characterized in that the lower side of the elastic element (4) at least in the area of the protrusion (5) is cut at an angle (β) relative to the horizontal (H).

5. The panel according to claim 4, characterized in that the angle (β)=10°.

6. The panel according to claim 1, characterized in that the elastic elements (4) are arranged at a regular distance from each other.

7. The method of connection and fixing of two panels (1, 2) according to one of the preceding paragraphs, which is joined to the groove of the cover (2) open down hook (6) turn around lying near and parallel to the longitudinal side of the axis of rotation, and thus open to the bottom side (19) of the hook (6) is continuously and sequentially enters open to the upper side (18) hooks (4) lying on the floor panel (1)and the protrusion (7) sequentially captures and elastic curves tabs (5) elastic elements (4), and each protrusion (5) of each of the elastic element (4) springs, when made it back undercut (9) is in overlapping relation to the rear undercut in the ledge (7), while deflecting movement of the elastic element (5) is divided into the following three movements:
a) a displacement device (5) in the transverse (Q) direction of the panel (1),
b) the deflection device (5) in the longitudinal (L) direction of the panel (1),
C) the extension is made between the lip (5) and lateral side (1) open top of the groove (14).

8. the procedure according to claim 7, characterized in that the extension of the groove (14) is superimposed on the rotary movement of the protrusion (5) around directed in the longitudinal direction (L) of the swivel axis (S).



 

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