EP2995747A2 - Liaison mecanique pour panneaux et procede de montage d'un ressort de verrouillage dans un panneau - Google Patents

Liaison mecanique pour panneaux et procede de montage d'un ressort de verrouillage dans un panneau Download PDF

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Publication number
EP2995747A2
EP2995747A2 EP15183282.1A EP15183282A EP2995747A2 EP 2995747 A2 EP2995747 A2 EP 2995747A2 EP 15183282 A EP15183282 A EP 15183282A EP 2995747 A2 EP2995747 A2 EP 2995747A2
Authority
EP
European Patent Office
Prior art keywords
locking
arm
holder
panel
mechanical connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15183282.1A
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German (de)
English (en)
Other versions
EP2995747A3 (fr
EP2995747B1 (fr
Inventor
Guido Schulte
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Individual
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Individual
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Publication date
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Publication of EP2995747A2 publication Critical patent/EP2995747A2/fr
Publication of EP2995747A3 publication Critical patent/EP2995747A3/fr
Application granted granted Critical
Publication of EP2995747B1 publication Critical patent/EP2995747B1/fr
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
    • E04F2201/0535—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted for snap locking

Definitions

  • the invention relates to a mechanical connection for panels and a method for mounting a locking spring in a panel.
  • Panels are plate-shaped components, in particular for shuttering of ceiling, wall or floor surfaces.
  • Panels for flooring in particular engineered parquet, real wood floors or laminate flooring, consist of several rows of their predominantly rectangular floor panels.
  • the floor panels on one longitudinal side and one head side have continuous grooves and on the respective opposite longitudinal side or head side continuous springs, which are adapted to the grooves form-fitting manner.
  • tongue and groove Through the connection of tongue and groove the floor panels are laid.
  • mechanical locking means are formed, which in in a floor covering neighboring floor panels engage with each other in latching engagement.
  • a formation of joints in the laid floor covering by stretching or shrinkage operations should be avoided.
  • tongue and groove of the floor panels are adapted to each other locking elements in the form of depressions, recesses or projections to hold bonded floor panels in the assembled position glueless. The panels are thereby hooked together in the horizontal direction and vertical direction.
  • floor panels are rotated along their long sides into each other or clicked and then moved laterally, so that the head sides abut each other. There can be a horizontal impact, but also angling to hook the head sides together.
  • the head-side locking in the vertical direction can be done for example via a Verrieglungsfeder which is pressed back when lowering the second panel relative to the already laid first panel resiliently into a retaining groove and then jump out of the groove again and thereby locks the two head sides together.
  • side-push systems DE 10 2006 037 614 B3 ), in which the head-side locking takes place only by applying another row of panels.
  • the locking spring In the solutions in which the locking spring must be actively pushed back into the retaining groove, the locking spring is originally in the relaxed state in the retaining groove, is then stretched when pushing back and springs back when locking, similar to a snap connection. In contrast to the side-push systems, it is not necessary to create another row of panels for locking. In contrast, the so-called side-push systems have the advantage that the placement or bending of the second panels in the region of the head sides to be connected without overcoming the spring force is possible. However, it must be ensured that locking takes place through the next row of panels or by manually fixing the locking spring.
  • the invention has for its object to provide a mechanical connection for panels, which makes a longitudinal locking of the panels without overcoming the spring force of a locking spring possible, but at the same time a secure Locking the panels allows, even if no other row of panels is created.
  • the invention solves this problem by a mechanical connection with the features of patent claim 1 and by a method for mounting a locking spring for such a mechanical connection according to the features of claim 14.
  • the mechanical connection for panels provides that the panels have at their sides to be joined together a profiling, via which adjacent first and second panels are locked together in the mounting position.
  • panel within the meaning of the invention is representative of plate-shaped elements, in particular for shuttering of wall, ceiling or floor surfaces.
  • a mechanical connection means that the connection is not cohesive, that is in particular free of adhesives, in particular free of glue.
  • the invention does not exclude that the mechanical connection can be additionally reinforced by an adhesive connection.
  • top, bottom, vertical, horizontal or similar are each related to a horizontal laying plane, as in the case of panels for a floor covering.
  • the principle of the mechanical connection can also be applied to other spatial layers of laying planes.
  • the invention relates in particular to the mutual, vertically acting fixation of the narrower head sides of rectangular panels, which are provided with their longer longitudinal sides with a glue-free tongue and groove connection.
  • a locking spring on the first panel is inserted into a retaining groove.
  • the locking spring is partially behind a locking edge of an adjacent panel when locking displaced.
  • the locking edge may be part of a locking groove of the second panel to be locked to the first panel.
  • the locking spring has a locking body. It is displaceable from a release position to a locking position to engage in the locking position behind the locking edge.
  • the blocking body thus bridges a vertical parting plane between the first and the second panel.
  • the locking body is the component which is in contact with the first and the second panel in the locking position.
  • the blocking body is connected via at least one resilient arm with a holder.
  • the holder itself is held in the retaining groove.
  • the retainer may be termed, in a sense, an anchor or foot of the mechanical connection, and the locking body as a head displaced from the retaining groove behind the locking edge of the adjacent panel.
  • the at least one resilient arm is in the release position of the locking spring in an inner, biased position.
  • the inner position may mean that the locking body does not protrude outwardly beyond a groove mouth of the retaining groove.
  • the inner position may also mean that the blocking body protrudes slightly beyond the retaining groove, but only so far that the placement or bending of a second panel relative to the first panel does not result in contact with the blocking body. That is, the second panel may be engaged with the first panel without the resistance of a locking body.
  • the inner position is also characterized in that the at least one resilient arm is biased. This means that the resilient arm has been brought under the influence of an external force in a position in which he remains forcibly.
  • the at least one resilient arm is releasable under the influence of acting in the longitudinal direction of the retaining groove on the locking body release force from the inner, biased position.
  • This release force acts to some extent via a side-push system, in which the locking spring is pressed with its protruding end into the groove.
  • the relaxation of the arm causes the locking body connected to the arm to be partially displaced out of the retaining groove into the locking position under the influence of the restoring force.
  • the restoring force of the arm acts on the displacement of the locking body on the holder.
  • the holder is in turn supported on the groove bottom of the retaining.
  • the holder is configured not only to transfer the restoring force to the lock body to the groove bottom, but also to secure it against dislocation in the longitudinal direction of the holding groove when the arms are released from the biased position.
  • projections may be formed on the holder, which are clawed with one or both groove cheeks.
  • the groove base may have at least one recess into which the at least one holder engages.
  • the depressions may in particular be concave, in particular arcuately curved.
  • the mechanical connection according to the invention has the advantage that panels can be mounted without the resistance of a locking spring.
  • the locking spring does not snap in immediately, but must first be actively activated before a vertical locking occurs.
  • This has the advantage that a panel can be taken again before applying a second row to make any corrections. Only when the installer is sure that the panels are to be locked, the lock can be done manually or simply by creating another row of panels. In this case, the protruding end of the locking spring is pushed into the retaining groove.
  • the displacement can be less than a millimeter. For example, with a minimum longitudinal displacement of 1 mm, a transverse displacement in the direction of the second panel of z. B. 2 mm.
  • the concrete adjustment and lifting distances depend on the dimensions of the spring and the design of the arms.
  • the locking spring extends uniformly over its entire length, a plurality of spaced arms are provided. The arms are preferably arranged distributed uniformly over the length of the locking spring.
  • a first mechanical action principle of the resilient arm is a double-sided hinged clamped bending rod, the middle region for biasing over a dead center away in the stable, inner biased position is displaced.
  • the locking spring is prefabricated so that the resilient arm is arcuately curved. In this initial position, the dead center is located at a distance from the metastable middle position of the arm. In this initial configuration, the arm and thus the entire locking spring is relaxed. In this state, the locking spring can be inserted into the retaining groove. Only when an additional force to stretch the curved arm is applied, the arm can be pushed over the dead center. When the dead center is exceeded, the arm aims for a stable, inner, pre-stressed position. In order to perform this shift, the resilient arm is clamped on both sides articulated, with "two-sided" is to be understood as a double-ended support.
  • the resilient arm can only leave this stable, inner, prestressed position when the arm is moved over the dead center again in its central area. For this purpose, an external force is necessary, the triggering force.
  • the mechanical principle of a bending rod presupposes that abutments are available for end-side support.
  • the end abutment can be arranged on the locking body, but preferably on the holder.
  • the holder extends from one end of this arm to the other end of this arm, with the central region of the arm formed as a flexure bar being connected to the blocking body.
  • the holder preferably has a pocket for receiving the at least one resilient arm in the inner, biased position. This makes it possible to keep the depth of the retaining groove and thus the depth of the locking spring low.
  • the ends of the resilient arm are supported on mutually adjacent holders, which are each between two adjacent arms.
  • the holders are stressed in the longitudinal direction of the retaining considered to pressure, while in the previously described embodiment in which both ends of the resilient arm are supported on a single holder, the holders are claimed to train.
  • the locking spring is formed of a single holder, a single locking body and a plurality of arms between the holder and locking body.
  • elastic resilience regions acting on the arm and / or on the at least one holder are formed in the longitudinal direction of the arm.
  • These elastic compliance ranges are intended to compensate for changes in the length of the arm as it moves from the relaxed position to the inner, biased position.
  • the elastic compliant portions may be apertures in the holder proximate the attachment region of the arms.
  • an elastic compliance area is formed only at one end of an arm.
  • the arrangement of the compliance ranges is symmetrical, so that in the region of each end of an arm a compliance range is formed on the holder and / or on the arm.
  • the compliance area must not be so yielding that the arm automatically springs to its starting position under the influence of its elastic restoring force.
  • an additional force must be applied in each case.
  • This release force acts in the middle of the arm.
  • the release force is introduced via the blocking body, which can be displaced for this purpose in the longitudinal direction of the retaining groove.
  • the middle region of the arm is connected to the blocking body via two separate struts.
  • the struts are subjected to a longitudinal displacement of the locking body once on train and once on pressure.
  • the spaced apart connection points of the struts with the arm thereby exert a torque on the central region of the arm. This torque leads to the displacement of the central area over the dead center.
  • the blocking body now pulls stronger on the adjacent, further arm, so that, similar to a chain reaction, All arms are relaxed and the locking body is finally evenly pushed out of the retaining groove.
  • the struts are preferably formed by narrow slots in the support body. The arrangement is preferably symmetrical.
  • the locking body has a depth which is smaller in the region of the arms than between the arms. The depth is measured in the direction of the groove depth of the retaining groove.
  • the blocking body has to be sufficiently deep in order to bridge the vertical dividing plane between the adjacent panels and, in particular, to be able to grip behind the locking edge of the adjacent panel.
  • the arms and the adjacent struts also a certain depth. The depth of the locking body can therefore vary in the longitudinal direction.
  • the locking spring in the inner, prestressed position has at least one arm which is in releasable latching engagement with the holder via latching means.
  • the arm itself is not designed as a double-sided clamped bending rod, which is pressed over a dead center. The arm is only more curved and thus stretched.
  • In the inner, biased position of the arm is held by locking means, which can also be solved by a release force acting in the longitudinal direction of the retaining.
  • the latching engagement is in particular a positive connection in which two components are hooked together.
  • the latching means for the releasable latching engagement may be arranged on the at least one arm. But they can also be arranged on the locking body. A counterpart of the locking means is located on the holder.
  • the locking means may be, for example, small hooks which are arranged on the side facing the holder of the locking body and there hold in undercut pockets.
  • the arm exerts a spring force just as in the first embodiment.
  • This spring force is the restoring force. If the releasable locking engagement is achieved by exerting the release force, the locking means slide from each other, the restoring force reduces the curvature of the at least one arm and the locking body is displaced into the adjacent panel.
  • a longitudinally protruding from the retaining part of the locking body in the transition from its top to its front side has an inclined sliding surface over which the locking body during vertical placement or bending of the adjacent panel back into the retaining is displaced back without reaching the inner, pre-stressed position.
  • the mechanical connection according to the invention also makes it possible to use the locking spring, if this is already in the locking position, that is extended.
  • the locking body may indeed be pushed back, however, the adjustment is such that the locking spring can not be over the dead center, or pressed or can enter into locking engagement , Accordingly, in the event of inadvertent release, the locking spring behaves like a compliant spring which is suitable, even without being triggered by pressure on one end, d. H. without side-push, to lock adjacent panels together.
  • the invention further relates to a method for mounting a locking spring in a panel for producing a mechanical connection according to one of claims 1 to 14.
  • the locking spring is made as a preferably one-piece material unit and used in a retaining groove of a panel. In the deployed position, the locking body is displaced in the direction of the holder, so that the at least one arm is displaced from its deflected, relaxed position into its stable, inner, prestressed position.
  • the locking spring may be formed as a flat component, so that the retaining groove can be made very narrow.
  • the inventive Mechanical connection are also used in panels with a small thickness.
  • the cost of materials for the locking spring is low.
  • the mechanical connection according to the invention can in principle be produced manually. That is, after laying a panel row by hand, the end of the locking spring is pressed to trigger it or to completely sink it into the retaining groove.
  • the triggering of the locking spring is done automatically by the application of a further series of panels which bridge the rearward impact area of the previously laid row of panels. Accordingly, the head sides are latched only when another panel engages the longitudinal sides of the preceding row of panels.
  • the inventive concept is particularly applicable to all floor systems in which a floor covering is arranged on a support, such as real wood coverings, laminate, support with painted surfaces as a top covering, linoleum, cork on support plates, etc.
  • the material for the locking spring may be both a wood material, d. H. it may be wood or wood fiber material. It can be a composite material.
  • the locking spring may be made of metal or a metal alloy. The use of bimetallic or mixed plastics is just as possible as the use of materials based on thermoplastic or thermosetting plastics.
  • the locking spring may in particular consist of a fiber-reinforced plastic with a fiber content of 20% to 60%.
  • the locking spring consists in particular of polyamide.
  • the plastics are in particular glass fiber reinforced.
  • the locking spring can be made of the same material-integral. It is also conceivable, however, to produce parts of the locking spring from divergent materials, wherein the locking spring remains a one-piece component despite the different materials.
  • FIG. 1 shows a floor covering consisting of a plurality of laid in the composite rectangular panels 1, 2.
  • the panels 1, 2 are all identical and are only marked differently for distinction.
  • the panels 1, 2 have on their head sides 3, 4 locking strips.
  • corresponding locking strips are provided on their longer longitudinal sides 5, 6.
  • the locking strips arrive in the mounting position in a covering of adjacent panels 1, 2 with each other. This engagement serves to lock the panels 1, 2 in the horizontal direction.
  • FIG. 2 are locking strips 7, 8 can be seen, which are hooked into each other for the horizontal lock.
  • the locking strips 7, 8 are formed on each panel 1, 2.
  • the left panel 1 in the picture plane is the first panel because it is laid first.
  • the right panel 2 in the image plane is the second panel because it will be relocated later.
  • the first panel 1 has a first locking strip 7 on its head side 4.
  • the second panel 2 has a locking strip 8 on its head side 3.
  • the first locking strip 7 is arranged on the bottom side of the panel 1 and projects beyond the head side 3.
  • the underside 9 of the first panel 1 is at the same time the underside of the first locking strip 7.
  • the first locking strip 7 has an upwardly open first coupling channel 10, to which an upward, that is, away from the bottom 9 dome 11 adjoins the end.
  • the Kuppelwulst 11 forms an undercut in the horizontal direction. He summarizes in a second coupling groove 12 of the second panel 2.
  • the second coupling groove 12 is down, that is, open to the bottom 9.
  • the second coupling groove 12 is bounded by a second dome bead 13.
  • the second dome bead 13 sums in the installed position from above into the first coupling groove 12. This creates a hook connection in the horizontal direction.
  • the flanks 14, 15 are at an angle W1 to each other, which is smaller than 90 ° relative to the bottom 9 of Panels 1, 2.
  • the head sides 3, 4 are pressed against each other when lowering the second panel 2 relative to the first panel 1, so that the transition in the joint area of the two panels 1, 2 in the cover layer is virtually seamless.
  • the second panel 2 rests on a latching projection 16 of the first panel 1.
  • the latching projection 16 extends horizontally and at a small distance to a top 17 of the panels 1, 2.
  • a force acting on the second panel 2 from above force is thereby introduced directly into the first panel 1.
  • the retaining groove 18 is open to the head 4. It is opposite to the horizontal, that is, not arranged parallel to the laying or bottom 9 in this embodiment, but arranged at an angle W2.
  • the angle W2 is 3 ° to 7 °, in particular 5 °.
  • the locking spring 19 is integrally formed, but has three functional components.
  • the locking spring 19 has a blocking body 20, which protrudes in the position shown from an opening region of the retaining groove 18 and behind a locking edge 21 of the adjacent second panel 2 summarizes.
  • the Locking edge 21 is the lower mouth portion of a locking groove 22, which is located between the second dome bead 13 and a support projection 23.
  • the support projection 23 rests in the installed position on the latching projection 16 of the first panel 1.
  • the support projection 23 may also be part of an upper groove flank of the locking groove 22.
  • the locking spring 19 has, in addition to the locking body 20, a central part, which is referred to as arm 24 and connects the locking body 20 with a holder 25 in a manner not shown.
  • the holder 25 is the part of the locking spring 19, which is arranged at the lowest in the retaining groove 18.
  • the holder 25 is supported on the groove base 26 of the retaining groove 18.
  • the locking spring 19 extends from a lower groove flank 27 to an upper groove flank 28 and is guided by the groove flanks 27, 28. Here, both the arms 24 and the locking body 20 are guided within the retaining groove 18.
  • the holder 25 is fixed and clawed in a manner not shown on projections with the lower groove flank 27 and the upper groove flank 28 so that it can not be moved in the longitudinal direction of the retaining groove 18 after mounting within the retaining groove 18.
  • the longitudinal direction of the retaining groove 18 protrudes in the representation of FIG. 2 into the picture plane. Transverse to the retaining groove 18 means in the context of the invention, a movement that leads out of the retaining groove 18, thus moving away from the groove base 26 or to the groove bottom 26 back.
  • FIG. 2 shows that one of the retaining groove 18 longitudinally projecting part of the locking body 20 in the transition from its top 29 to its side facing away from the groove bottom 26 end face 30 has an inclined sliding surface 31.
  • the sliding surface 31 may also be referred to as an oversized chamfer. About this sliding surface 31 and chamfer, it is possible to argueverlagern the locking body 20 when placing the second panel 2 vertically relative to the first panel 1 in the retaining groove 18. In this case, the sliding surface 31 slides on a control edge 32 of the second panel 2.
  • the control edge 32 is located at the end of the second dome bead 13 in the transition region to the locking edge 21 below the locking groove 22.
  • the control edge 32 is preferably rounded and in particular convex.
  • the blocking body 20 When the second panel 2 is lowered so far that the support projection 23 of the second panel 2 rests on the latching projection 16 of the first panel, the blocking body 20 is pressed by its resilient restoring force behind the locking edge 21 of the second panel 2. As a result, the locking body 20 bridges a gap between the retaining groove 18 and the locking groove 22. The second panel 2 can no longer be displaced in the vertical direction and is locked in both the horizontal direction and in the vertical direction with the first panel 1. The exact operation of the lock will be explained with reference to the following figures.
  • FIG. 3 shows a locking spring 19 in a plan view.
  • the locking spring 19 has a three-part construction and comprises a locking body 20 which is displaceable from the retaining groove 18.
  • the holder 25 is slightly shorter than the blocking body 20.
  • the blocking body 20 may be slightly longer than the width of the head side of a panel, wherein the width of the head side is to be measured at the top of a panel and corresponds to the width of the cover layer.
  • Between the locking body 20 and the holder 25 is an array of identical arms 24.
  • the locking spring 19 is made of plastic. It is constructed of the same material as one piece. It extends substantially over the entire length of a head side 3, 4.
  • the holder 25 is just like the locking body 20 is a continuous component.
  • the blocking body 20 has a thickened actuating end 33 pointing in the direction of the holder 25.
  • the operating end 33 serves to exert a compressive force on the locking body 20 in the direction of the arrow. In this direction, a release force A should be able to be exerted to move the locking body 20 from a biased position to a locking position.
  • the operating end 33 is in the installed position a small piece from the end of the retaining groove 18, that is, in the direction of the longitudinal sides 5, 6 and the groove bottom of the local longitudinal coupling groove.
  • the locking spring 19 is completely within the retaining groove 18 and preferably terminates flush with the groove bottom of the longitudinal coupling groove.
  • the operating end 33 is 0.1 mm - 2 mm, preferably 0.5 mm - 1 mm from the groove bottom of the longitudinal side Kuppelnut before.
  • the actuating travel is smaller than the distance by which the locking spring extends when locking transversely to the retaining groove 18.
  • FIG. 3 further shows that the arrangement of the arms 24 is repeated at regular intervals.
  • the exact operation of the locking spring 19 will be described in more detail with reference to FIGS. 4 and 5 which are enlarged views of the left in the image plane portion of the locking spring 19 are.
  • FIG. 4 shows the left end of the picture plane in the picture plane FIG. 3 in an enlarged view.
  • the locking spring 19 is preferably made as a plastic component by injection molding. Several of these locking springs 19 may be arranged in a tray.
  • FIG. 4 shows the locking spring 19 in this initial state. It can be seen that the holder 25 is located at a greater distance from the locking body 20. The arm 24 bridges a gap 38 between the holder 25 and the locking body 20. In this position, the locking body 20 would protrude from the retaining groove 18. However, it is desired that the blocking body 20 initially not protrude from the retaining groove 18. For this purpose, the locking spring 19 is pressed deeply into the retaining groove 18. A force is exerted on the blocking body 20 in the direction of the holder 25.
  • FIG. 4 shows an arrow S. This arrow S is to symbolize the clamping force S for insertion of the locking spring 19.
  • FIG. 5 finally shows the position in which the locking body 20 rests against the holder 25.
  • the blocking body 20 should automatically remain in this position.
  • the arcuate arm 24 is formed as a resilient arm 24. He is on both sides, that is, with both ends articulated clamped. The articulation results from the elasticity of the material used itself. It is therefore in the arm 24 is a double-sided hinged bending bar.
  • a center region 34 is displaced beyond a dead center into a stable, inner, biased position, as shown in FIG FIG. 5 is shown.
  • the dead center is in the extended position of the arm 24.
  • the inner layer is reached when the arm 24 can not be further curved, in particular because the locking body 20 is already applied to the holder 25.
  • the locking spring 19 is dimensioned so that in the so-called inner position of the locking body 20 does not project beyond the Nutmündung the retaining groove 18 or only so far protrudes that when placing the second panel 2 against the first panel 1 no contact with the locking body 20 takes place ,
  • the arm 24 has been deformed by the externally applied clamping force S. However, he has a material's own restoring force. This elastic spring force tends to move the arm 24 from the in FIG. 5 illustrated, inner, preloaded position back into the in FIG. 4 to shift displayed starting position.
  • the holder 25 is sufficiently rigid as a repository. It can be seen that the holder 25 is formed in this embodiment, almost over the entire groove length of the retaining groove 18 extending, one-piece component.
  • the ends 35, 36 of the arm 24 exert a force in the longitudinal direction of the holder 25. This pressure force is absorbed by the holder 25.
  • the holder 25 is configured for this purpose as a continuous component and extends from one end 35 to the other end 36 of the arcuate arm 24.
  • a pocket 37 which provides a sufficient movement space for the arm 24, so that the locking spring 19 can be compressed at all.
  • the pocket 37 is sized slightly larger than the gap 38 between the locking body 20 and the holder 25th
  • FIG. 4 shows an arrow R, which is directed against the arrow marked S. This is the restoring force R of the arm 24 and the arms 24, which acts counter to the clamping force S.
  • the arrow A illustrates the release force, which is exercisable on the actuating end 33.
  • FIGS. 4 and 5 show further, that in the region of the ends 35, 36 of the arm 24 compliance areas 40, 41 are formed.
  • the compliance areas 40, 41 are not located directly in the arm 24, but rather in the holder 25. These are openings or openings in the holder 25. As a result, a higher flexibility of the holder 25 is achieved in the region of the ends 35, 36.
  • the compliance allows the arm 24 to extend to its maximum longitudinal extent in the dead position, before it shortens somewhat in the inner position again.
  • the compliance areas 40, 41 effectively serve to compensate for changes in the length of the arm 24 during the displacement from the locking position (FIG. FIG. 4 ) in the inner, prestressed position ( FIG. 5 ).
  • the compliance areas 40, 41 may be provided at one end 35, 36 of the arm 24 or, as shown here, at both ends 35, 36.
  • the compliance areas 40, 41 may also be provided directly on the arm 24.
  • FIG. 5 shows that the compliance ranges 40, 41 in contrast to the representation in FIG. 4 are somewhat deformed, which is due to the biased, inner position of the arm 24 and the thus changed length of the arm 24.
  • the arm 24 is connected in its central region via two struts 42, 43 with the locking body 20.
  • the struts 42, 43 face in the opposite direction.
  • the struts 42, 43 are formed by a slot 44 in the locking body 20.
  • the slot 44 has approximately the shape of a hanger. That is, it is arcuately curved and has in the central region a pointing towards the arm 24 broadening.
  • the struts 42, 43 exert at a release force A in the direction of the arrow on a torque to the central region 43 of the arm 24, so that the arm 24 of the in FIG. 5 shown position by means of the restoring force R in the in FIG. 4 shown locking position is displaced.
  • FIGS. 1 to 3 illustrated basic principle can be modified with regard to the configuration of the holder 25, as described below with reference to FIG FIGS. 6 to 8 is explained.
  • the previously introduced reference numerals are for identical or substantially functionally identical component for better Maintain the illustration. It will be significant differences compared to the embodiment of FIGS. 3 to 5 explained.
  • FIG. 6 shows a locking spring 19, which differs from that of FIG. 3 differs by a different embodiment of the holder 25.
  • the holder 25 is not a continuous component in this embodiment, but divided into individual sections, which are each referred to as a holder 25. The individual sections in their entirety form the holder 25.
  • FIG. 6 shows here the locking spring 19 in the unlocked position.
  • FIG. 7 shows the same locking spring 19 in the inner, biased position.
  • This configuration makes it possible to make the holder 25 and thus the entire locking spring 19 narrower, since the connecting link between the two ends 35, 36 of a single arm 24 is missing.
  • the support is via corresponding shorter, relatively rigid holder 25 between the arms 24.
  • the operating principle for locking and triggering the locking spring 19 is identical to that, as it is the FIGS. 3 to 5 has been described.
  • FIGS. 8 to 10 has two further differences compared to the previously described locking springs.
  • the holder 25 is not in the longitudinal direction of the retaining groove 18 continuous component, as in the embodiment of FIGS. 3 to 5 but in this case four individual holders 25 are provided which are not connected to each other.
  • the holders 25 are each associated with an arm 24. They are therefore not between adjacent arms 24, but extend from one end 35 of an arm 24 to the other end 36. Accordingly, the holder 25 of this embodiment again have pockets 37.
  • the retaining groove for receiving these holders 25 is not necessarily over make the entireffer deeper than in the embodiment of FIGS. 3 to 4 ,
  • the holders 25 are in fact bent arcuately in this embodiment.
  • the depressions have the advantage that less material has to be removed in the area of the retaining groove 18.
  • the depressions in the groove base enable exact positioning of the locking spring 19.
  • the depressions also absorb forces acting in the longitudinal direction of the retaining groove 18. This is beneficial to the triggering force A, as in FIG. 8 is shown to be able to record.
  • the arrow H illustrates the holding force, which must spend the holder 25 total.
  • the holding force H is the triggering force A opposite and at least as large.
  • FIGS. 9 and 10 show the two end positions of the locking spring 19 of this type.
  • This position should make it possible to push back the blocking body 20 via its sliding surface 31, without the blocking body 20 reaching the inner prestressed position. He can then again without additional release force A and only by the restoring force R in the in FIG. 9 shown position and lock adjacent panels together.
  • FIG. 17 shows the spring of FIGS. 8 to 10 in the installed position between two panels 1, 2.
  • the locking spring 19 is visible through a window formed only for the purpose of illustration in the top of the panels 1, 2.
  • the groove base 26 of the retaining groove 18 is not the same depth in the longitudinal direction in the used type of locking spring 19, but has a total of four recesses 53 in this embodiment.
  • the recesses 53 are arcuately configured and adapted to the arcuate shape of the holder 25.
  • the arms 24 are based and press the locking body 20 in the corresponding locking groove. This can be clearly recognized on the basis of the actuating end 33, which has been pushed away from the groove base 26 of the retaining groove 18.
  • FIG. 17 shows that the first and second locking strips 7, 8 mesh and thereby create a horizontal connection.
  • FIG. 18 shows the two panels 1, 2 before locking.
  • the first panel 1 is provided with a factory pre-assembled locking spring 19, which is in the unlocked state.
  • the arcuate arm 24 is biased against the holder 25.
  • the blocking body 20 rests against the holder 25.
  • the operating end 33 is a small piece, z. B. 0.5 mm to 1 mm, from the retaining groove 18 before.
  • the locking body 20 does not project beyond the locking projection 16 and is flush with this.
  • FIG. 11 shows a locking spring 19 in another embodiment.
  • the holder 25 is as in the first embodiment of FIG.
  • the arms 24 are curved in this embodiment, however, not arcuate and connected with its two ends 35, 36 with the holder 25.
  • the arms 24 are connected only with one end 36 to the holder 25.
  • the other end 35 is the connection to the locking body 20.
  • All arms 24 have the same orientation. They are at an acute angle to the longitudinal extent of the locking spring 19 and point with the arranged on the locking body 20 end 35 in the direction of the actuating end 33.
  • the arms 24 each have not be pressed over a dead center. They are also not on both sides hinged clamped bending rods. Rather, the arms 24 are brought via latching means 45 in releasable latching engagement with the holder 25.
  • the so-called locking means 45 are better in the FIGS. 12 and 13 to recognize. It is at the locking means 45 to positive locking means, in particular with a father piece and a nut piece.
  • the latching means 45 on the one hand comprise a latching head 46, which is arranged at one end 35 of an arm 24. It is the end 35, which faces the operating end 33 of the locking body 20.
  • This locking head 46 is intended to engage in a detent recess 47 on the holder 25.
  • the detent recess 47 is concave and faces away from the actuating end 33 of the locking body 20.
  • FIG. 13 shows as the locking head 46 summarizes in the catch recess 47.
  • FIG. 11 shows that at the right in the image plane end, that is, at the remote from the actuating end 33 arranged rear end 48 locking means 45 are also formed between a locking means 45.
  • no arm 24 is located at the rear end 48, locking is also possible in the area of the rear end 48.
  • the restoring force R in this embodiment, eight arms 24 is so large that the rear locking connection can be easily solved.
  • FIGS. 19 and 20 show a locking spring 19 similar to that of FIGS. 11 to 13 ,
  • FIG. 19 is the locking spring 19 in the locked state.
  • the difference over the embodiment of the FIG. 17 consists merely in that instead of an arcuate arm 24 which is displaceable according to the principle of a bending rod in a latching position, several arms 24 are provided here, which are latched to each other via latching means 45.
  • the groove base 26 is provided with recesses 53, in which individual holders 25 grasp.
  • the embodiment differs from the FIGS. 19, 20 from the one who FIGS. 11 to 13 in which the holder 25 is a straight, continuous component, that the holder 25 is positively engaged with the groove base 26. This positive connection is the same as in the locking spring 19 in FIGS. 17 and 18 ,
  • FIG. 20 shows the locking spring 19 in the factory pre-assembled state. It can clearly be seen that the locking means 45 are engaged with each other, so that the locking body 20 does not project beyond the locking projection 16 on the first panel.
  • the second panel 2 may be perpendicular to the first panel 1 or through Abwinkeln be stored without the locking spring 19 already comes into engagement with the second panel 20.
  • the locking means 45 can be released and the individual arms 24 press the locking body 20 from the retaining groove 18 behind a locking edge of the corresponding locking groove 22nd
  • FIGS. 14 to 16 is similar to the one FIGS. 11 to 13 , In contrast to the variant according to the FIGS. 11 to 13 the locking means 45 are not arranged on an arm 24, but act directly between the locking body 20 and the associated holder 25.
  • the peculiarity of this variant is, first, that arcuate holder 25 are provided, as for the embodiment of FIGS. 8 to 10 have been described. In addition, it is not individual arcuate holder 25, but it is interconnected arcuate portions of an entire holder 25. The holder 25 is therefore a continuous component with arcuate sections.
  • the locking means 45 are configured in a hook shape. For each arcuate portion of the holder 25 there are two locking means 45.
  • the locking means 45 have in this embodiment each first latching hooks 49 which are arranged on the locking body 20 and corresponding second latching hooks 50 which are arranged directly on the holder 25.
  • the first latching hook 49 which is functional with the latching head 46 in the embodiment of FIGS. 11 to 13 are not located on the arm 24, but are spaced from the arm 24.
  • the number of arms 24 is twice as large as in the embodiment of the FIGS. 11 to 13 , In each case two arms 24 are arranged in the immediate vicinity, so that they form a kind of parallelogram.
  • the enclosed by the mutually parallel arms 24 area has an elliptical shape.
  • FIG. 14 shows the position of the arms 24 in the manufacturing state, that is, in the relaxed state. To move the arms 24 to the inner biased position as they are in FIG. 15 is shown, the arms 24 must be approximated to each other.
  • the enclosed, elliptical space is flattened.
  • the originally at an acute angle to In the longitudinal direction of the locking spring 19 standing arms 24 extend in the dangling, that is, in the biased position almost parallel to the longitudinal direction of the locking spring 19.
  • FIGS. 14 to 16 show that the blocking body 20 in turn has a sliding surface 31.
  • the locking body 20 can be pushed back so far into the retaining groove 18, that the locking means 45 in the form of the first and second latching hooks 49, 50 are not yet engaged. This allows the locking body 20 to spring back into the locked position, as in FIG. 16 is shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Clamps And Clips (AREA)
  • Floor Finish (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP15183282.1A 2014-09-01 2015-09-01 Liaison mecanique pour panneaux et procede de montage d'une languette de verrouillage dans un panneau Active EP2995747B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014112527.4A DE102014112527A1 (de) 2014-09-01 2014-09-01 Mechanische Verbindung für Paneele und Verfahren zur Montage einer Verriegelungsfeder in einem Paneel

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EP2995747A2 true EP2995747A2 (fr) 2016-03-16
EP2995747A3 EP2995747A3 (fr) 2016-06-29
EP2995747B1 EP2995747B1 (fr) 2020-06-03

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CN112681560A (zh) * 2020-12-23 2021-04-20 江苏省农业科学院 装配式日光温室的保温墙体
WO2023034261A1 (fr) * 2021-08-31 2023-03-09 Plastic Safety Systems, Inc. Système de passerelle temporaire à verrouillage de tuiles modulaires en trois dimensions

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE102006037614B3 (de) 2006-08-10 2007-12-20 Guido Schulte Fußbodenbelag und Verlegeverfahren

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SI1650375T2 (sl) * 2004-10-22 2011-04-29 Vaelinge Innovation Ab Set talnih panelov
SE532607C2 (sv) * 2006-11-15 2010-03-02 Vaelinge Innovation Ab Mekanisk låsning av golvpaneler med vertikal vikning
SE531111C2 (sv) * 2006-12-08 2008-12-23 Vaelinge Innovation Ab Mekanisk låsning av golvpaneler
US7726088B2 (en) * 2007-07-20 2010-06-01 Moritz Andre Muehlebach Flooring system
EP2236694A1 (fr) * 2009-03-25 2010-10-06 Spanolux N.V.- DIV. Balterio Système de fixation et panneau
US8769905B2 (en) * 2011-08-15 2014-07-08 Valinge Flooring Technology Ab Mechanical locking system for floor panels
MY164223A (en) * 2011-08-15 2017-11-30 Ceraloc Innovation Ab Mechanical locking system for floor panels
EP2915934A1 (fr) * 2014-03-06 2015-09-09 Flooring Industries Ltd., SARL. Kit de panneaux avec élément de verrouillage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037614B3 (de) 2006-08-10 2007-12-20 Guido Schulte Fußbodenbelag und Verlegeverfahren

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EP2995747B1 (fr) 2020-06-03
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