Elastic assembly, connection component, and footrest assembly of sofa

Abstract

An elastic assembly for connecting a board material (1) and a fabric material, a connection component between the board material (1) and the fabric material, and a footrest assembly of a sofa; the elastic assembly can be detachably fixed to the board material (1) and comprises a first elastic portion and an opposingly arranged second elastic portion, wherein the first elastic portion and the second elastic portion can be detachably connected to one or more engagement members fixedly connected to a fabric material, so as to allow the fabric material to be detachably connected to the board material (1).

Description

Elastic components, connecting parts and sofa footboard components Technical Field

[0001] The present application relates to a connector, and in particular to an elastic component and a connecting part for connecting a plate and a fabric, as well as a footboard component of a sofa using the elastic component and the connecting part. Background Art

[0002] In the furniture field, it is usually necessary to wrap the outside of the formed board or other frame structure (such as the footboard, front panel, armrest, backboard, etc. of the sofa) with covering fabric (such as sofa leather cover or cloth, etc.), which is the last process in the manufacturing process of sofa and other furniture, the "leather processing".

[0003] In the existing leather-wrapping process, the sewn and cut fabric is usually aligned and covered on a plate or other frame structure and the fabric is tightened. Then, a nail gun is used to nail the fabric and the plate at the required fixed position to fix them together. However, this traditional leather-wrapping process has the following disadvantages: (1) the worker needs to manually align the fabric and the plate and determine the nailing position, and then manually complete the nailing and fixing operation. This process consumes a lot of time, resulting in low production efficiency; (2) the worker needs to have high and stable leather-wrapping skills. Even the same worker cannot obtain consistent finished products in different operations, which leads to uneven products and low yield. In addition, the fabric and the plate are mostly in a one-to-one correspondence, which makes it difficult to achieve standardized production and is very unfavorable for large-scale production; and (3) the fabric and the plate are fixedly connected by nails, which is inconvenient to disassemble. Once a nailing error occurs during production, it is difficult to adjust at any time, resulting in a large number of scrap parts. In addition, it is difficult to disassemble and maintain after leaving the factory. The fabric cannot be simply removed for cleaning or replacement and then simply installed on the plate.

[0004] To address this issue, the art typically employs a clamping strip attached to the fabric, which is then clamped onto a board or frame structure to achieve secure tension between the fabric and the board. For example, this structure is disclosed in Chinese Utility Model Patent CN210696810U, filed by Minhua Furniture Manufacturing (Huizhou) Co., Ltd. However, in this case, the board and fabric are secured solely by the hook structure of the clamping strip clamping onto the board's surface, which is insufficient. When the board and fabric are large, relative sliding and displacement can occur, causing the fabric to loosen or even fall off the board.

[0005] Therefore, it is necessary to provide a connection structure between the board and the fabric to at least solve the above problems, so that the leather-wrapping process is easy to operate and highly standardized, and the finished product obtained is of high quality, reliable strength, and easy to disassemble.

[0006] Summary of the Invention

[0007] The purpose of this application is to provide a connecting component between fabric and plate in response to the above problems existing in the prior art, so as to at least partially solve the problems existing in the prior art such as inconvenient connection operation and excessive reliance on manual operation technology, difficulty in large-scale and standardized mass production, non-removability, and / or loose connection, so that the fabric and plate can be easily connected and disassembled, and the connecting component is stable and reliable, which is conducive to improving product quality stability and achieving mass production.

[0008] On the one hand, the present application provides an elastic component for connecting a plate and a fabric, which can be detachably fixed to the plate and includes a first elastic portion and a second elastic portion arranged opposite to each other, wherein the first elastic portion and the second elastic portion can be detachably connected to one or more fasteners fixedly connected to the fabric to allow the fabric to be detachably connected to the plate.

[0009] The structure of the present application can achieve at least the following beneficial effects through the detachable cooperation between the elastic components and the buckle strips respectively provided on the plate and the fabric:

[0010] (1) Allowing staff or users to easily assemble and disassemble panels and fabrics, this process is different from the traditional nailing assembly method, ensuring the quality stability of the finished product after assembly;

[0011] (2) The relationship between elastic components, panels, fabrics, and buckle strips allows standard parts to be produced first and then easily assembled, which is conducive to standardized and modular mass production;

[0012] (3) The various connection structures of the present application are detachable (for example, the elastic component and the buckle strip are detachably connected, and / or the elastic component and the plate are detachably connected), allowing the connection status to be adjusted at any time during the process or during user use, which not only obtains a firm, reliable and stable connection but also facilitates disassembly.

[0013] In a preferred embodiment of the present application, the elastic component is constructed as a clamping component, wherein the first elastic part and the second elastic part are respectively constructed as a first clamping part and a second clamping part biased toward each other, and in the connected state, the snap member is clamped between the first clamping part and the second clamping part of the corresponding clamping component.

[0014] In a preferred embodiment of the present application, the first elastic portion and the second elastic portion are constructed to be biased in a direction away from each other, and in the connected state, the snap fastener is arranged on the outside of both the first elastic portion and the second elastic portion and is biased and fixed by the elastic component.

[0015] According to the above embodiment, those skilled in the art can select a connection mode in which the fastener is clamped by the elastic component or a connection mode in which the fastener is sleeved outside the elastic component as needed.

[0016] In a preferred embodiment of the present application, the elastic component also includes a base, wherein the first clamping portion and the second clamping portion are constructed as a first clamping arm and a second clamping arm extending from one side of the base toward a first direction, and wherein the clamping assembly also includes a coupling portion extending from the other side of the base toward a second direction opposite to the first direction, the coupling portion being used to detachably cooperate with a receiving portion opened on one side surface of the plate to detachably fix the clamping assembly to the plate.

[0017] In a preferred embodiment of the present application, the joining portion includes: a columnar portion extending from the base toward the second direction; and one or more elastic arms extending from the free end of the columnar portion toward the base and arranged around the columnar portion, and wherein the receiving portion is constructed as a hole opened on one side surface of the plate, and wherein the one or more elastic arms are constructed to elastically bias toward the inner wall of the hole when the joining portion is inserted into the corresponding receiving portion on the plate, so as to at least partially prevent relative movement between the joining portion and the receiving portion.

[0018] In a preferred embodiment of the present application, the joint portion further comprises one or more elastic support arms extending from the peripheral side surface of the columnar portion to the free side of the one or more elastic arms and connected to the free side.

[0019] In a preferred embodiment of the present application, the engaging portion and the receiving portion are mutually matching threaded rod and threaded hole structures.

[0020] On the other hand, the present application provides a connecting component between a plate and a fabric, the connecting component comprising: one or more elastic components arranged on the plate, each elastic component having a first elastic portion and a second elastic portion arranged opposite to each other; and one or more fasteners fixedly connected to the fabric, wherein the one or more fasteners can be detachably connected to the one or more elastic components to allow the fabric and the plate to be detachably connected.

[0021] In a preferred embodiment of the present application, the elastic component is constructed as a clamping component, wherein the first elastic part and the second elastic part are respectively constructed as a first clamping part and a second clamping part biased toward each other, and in the connected state, the snap member is clamped between the first clamping part and the second clamping part of the corresponding clamping component.

[0022] In a preferred embodiment of the present application, the first elastic portion and the second elastic portion are constructed to be biased in a direction away from each other, and in the connected state, the snap fastener is arranged on the outside of both the first elastic portion and the second elastic portion and is biased and fixed by the elastic component.

[0023] In a preferred embodiment of the present application, the first surface of the plate covered by the fabric in the assembled state is provided with one or more grooves extending along the length direction of the plate, and each groove is provided with one or more accommodating areas arranged along the extension direction of the groove for accommodating one or more clamping components, and the width of the one or more accommodating areas in the direction transverse to the extension direction of the groove is greater than the width of the groove, and wherein each accommodating area is configured to accommodate one or more clamping components.

[0024] According to this embodiment, the number, arrangement and configuration relationship of the grooves, accommodating areas and / or clamping components can be set as needed.

[0025] In a preferred embodiment of the present application, at least a portion of one or more snap fasteners is constructed as a buckle strip. In the connected state, the buckle strip is received in the corresponding groove and extends continuously or is discretely arranged along the extension direction of the groove, and is clamped by one or more clamping components in the groove.

[0026] According to this embodiment, the number and arrangement of the buckle strips can be selected as needed to match the corresponding clamping components and grooves. Furthermore, this matching configuration of the grooves and buckle strips facilitates direct location of the required connection areas during assembly or disassembly, without visual assistance, but through touch / feel alone.

[0027] In a preferred embodiment of the present application, the first clamping portion and the second clamping portion are respectively constructed as a first clamping arm and a second clamping arm extending upward from the bottom surface of the corresponding accommodating area.

[0028] In a preferred embodiment of the present application, each of the first clamping arm and the second clamping arm includes: a connecting end connected to the bottom surface of the accommodating area; a free end opposite to the connecting end, and an extension portion extending between the connecting end and the free end and connecting the connecting end and the free end.

[0029] In a preferred embodiment of the present application, in a natural state without external force, the first gap width between the free end of the first clamping arm and the free end of the second clamping arm is smaller than the thickness of the corresponding buckle strip, and the second gap width between the connecting end of the first clamping arm and the connecting end of the second clamping arm is larger than the thickness of the corresponding buckle strip.

[0030] According to this embodiment, the buckle strip can not only be firmly clamped between the free ends of the two clamping arms, but also has a certain degree of freedom at the connection ends of the clamping arms, which is convenient for disassembly.

[0031] In a preferred embodiment of the present application, in a direction from the connecting end to the free end, the extending portion of the first clamping arm and the extending portion of the second clamping arm extend obliquely toward opposite sides.

[0032] In a preferred embodiment of the present application, the free end of at least one of the first clamping arm and the second clamping arm is formed with a protrusion extending transversely to the extension portion and toward the other clamping arm, and the protrusion is formed with a clamping surface for clamping the corresponding buckle strip and a guide surface for guiding the buckle strip into the space between the first clamping arm and the second clamping arm.

[0033] In a preferred embodiment of the present application, the first clamping arm and the second clamping arm extend beyond the height of the first surface of the plate.

[0034] This embodiment increases the length of the clamping arm, improving clamping force. It also widens the engagement area between the clip and the clamp assembly, increasing the permissible range of relative motion and providing redundant dimensions to prevent the clip from falling out. Furthermore, the protruding clamping arm facilitates tactile positioning during assembly and disassembly.

[0035] In a preferred embodiment of the present application, ribs for reinforcing the corresponding clamping arm structure are provided on outer sides of the first clamping arm and / or the second clamping arm away from each other.

[0036] In a preferred embodiment of the present application, a stopper is provided on one side surface or both side surfaces of the buckle strip, and the stopper is configured to prevent the buckle strip from being disengaged from the corresponding clamping assembly.

[0037] According to this embodiment, the stopper portion can further improve the connection reliability of the connecting component.

[0038] In a preferred embodiment of the present application, the stop portion is configured as a rib, which is located at the portion of the buckle strip near the connection end of the clamping arm in the connected state, and the rib extends continuously or is discretely arranged along the length direction of the buckle strip.

[0039] In a preferred embodiment of the present application, the second surface of the plate is provided with one or more grooves along the circumferential direction, wherein the second surface is the surface on the opposite side of the first surface of the plate covered by the fabric in the assembled state, and wherein at least a portion of the one or more fasteners is constructed as a buckle strip, and in the connected state, the buckle strip is received in the corresponding groove and extends continuously or is discretely arranged along the extension direction of the groove, and is clamped by one or more clamping components in the groove.

[0040] According to this embodiment, the fabric can cover the entire area of ​​the first surface of the plate, bend around from the four sides, and be fixed at the edge of the opposite second surface by clamping components and buckle strips to achieve wrapping coverage of the first surface and the four peripheral side surfaces.

[0041] In a preferred embodiment of the present application, the first clamping portion is configured as one of the outer wall and the inner wall of the groove, and the second clamping portion is configured as a protrusion extending from the other of the outer wall and the inner wall of the groove toward one of the outer wall and the inner wall, and the protrusion has a clamping surface for clamping the corresponding buckle strip and a guiding surface for guiding the buckle strip into the space between the first clamping portion and the second clamping portion.

[0042] In a preferred embodiment of the present application, the clamping assembly is a plastic structure integrally formed with the plate, or a metal structure integrally cast with the plate.

[0043] In a preferred embodiment of the present application, the clamping assembly is a plastic structure that is blow-molded, injection-molded, extruded, and / or wood-plastic-molded integrally with the plate.

[0044] According to this embodiment, the number of parts can be reduced, thereby reducing the number of assembly steps.

[0045] In a preferred embodiment of the present application, the plate is a footboard of a sofa, and the fabric is a sofa fabric covering the surface of the footboard.

[0046] In a preferred embodiment of the present application, the fastener is sewn or bonded to the inner surface of the fabric.

[0047] In yet another aspect, the present application provides a footboard assembly, comprising a board and a fabric connected by the aforementioned connecting components. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] To better understand the above and other objects, features, advantages, and functions of the present application, reference may be made to the preferred embodiments shown in the accompanying drawings. In the accompanying drawings, like reference numerals refer to like components. Those skilled in the art should understand that the accompanying drawings are intended to schematically illustrate preferred embodiments of the present application and have no limiting effect on the scope of the present application. The components in the drawings are not drawn to scale.

[0049] FIG1 is a perspective view of a panel in a preferred embodiment of the present application, showing a first surface of the panel to be covered by fabric in an assembled state;

[0050] FIG2 shows a perspective view of the first surface of the plate shown in FIG1 from another perspective;

[0051] FIG3 shows a partial enlarged view of area A of the first surface of the plate shown in FIG1 ;

[0052] FIG4 shows a partial enlarged view of area B of the first surface of the plate shown in FIG2 ;

[0053] FIG5 shows a front view of an exemplary buckle strip;

[0054] FIG6 shows a perspective view of the plate shown in FIG1 from another perspective, showing a second surface of the plate opposite to the first surface;

[0055] FIG7 shows a perspective view of the second surface of the plate shown in FIG6 from another perspective;

[0056] FIG8 shows a partial enlarged view of the C region of the second surface of the plate shown in FIG6 ;

[0057] FIG9 shows a partial enlarged view of the D region of the second surface of the plate material shown in FIG7 ;

[0058] FIG. 10 illustrates a front view of another exemplary clamp assembly. DETAILED DESCRIPTION

[0059] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. What is described here is only the preferred embodiment of the present application. Those skilled in the art can think of other ways to implement the present application based on the preferred embodiment, and the other ways also fall within the scope of the present application.

[0060] In the leather-wrapping process for furniture such as sofas, the conventional method of securing panels or fabrics with nail guns relies excessively on manual labor, resulting in low efficiency, poor quality assurance of the finished product, and inconvenience for mass-produced, standardized, and modularized production. Furthermore, the panels are often non-removable, making fabric replacement and maintenance difficult. Furthermore, the existing method of securing clips to the fabric and then attaching them to the exterior surface of the panels or other frame structures often results in insufficient joint strength, making it prone to undesirable situations such as shifting and loosening between the panels and fabric.

[0061] To at least address the problems of the prior art, the present application provides a connecting component between a sheet material and a fabric. The connecting component comprises: one or more elastic components disposed on the sheet material, each elastic component having a first elastic portion and a second elastic portion disposed opposite each other; and one or more fasteners fixedly connected to the fabric, wherein the one or more fasteners are removably connectable to one or more clamping components to allow the fabric to be removably connected to the sheet material. In some embodiments, the elastic components can be configured as clamping components, wherein the first and second elastic portions are respectively configured as first and second clamping portions that are biased toward each other, and in a connected state, the fasteners are clamped between the first and second clamping portions of the respective clamping components. In other embodiments, the first and second elastic portions of the elastic components can also be configured to be biased away from each other, and in the connected state, the fasteners are disposed over the exterior of both the first and second elastic portions and are biased and secured by the elastic components. The present application also provides a sofa legboard comprising a sheet material and fabric connected by the connecting component.

[0062] The present application is described in detail below with reference to various embodiments shown in the accompanying drawings. Directional terms such as "upper," "middle," "lower," "top side," "bottom side," "upper portion," and "lower portion" used below are based on the situation where the sheet material and fabric are assembled and the sheet material is normally placed on the bottom surface with its maximum surface level.

[0063] Figure 1 is a perspective view of an exemplary embodiment of a panel material. The figure shows a first surface 11 of the panel material 1. This first surface 11 is the side surface that contacts and is covered by the fabric when the panel material is assembled with the fabric (not shown), i.e., the upper surface of the panel material in its normal position. In this embodiment, the panel material 1 is a sofa footboard. When not in use, the footboard is stored vertically in the front of the sofa, at least partially forming the front panel component of the sofa. In this stored position, the first surface 11 faces forward. When the user needs to use the footboard, it can be manually or automatically flipped so that the first surface 11 faces upward, allowing the user to rest their feet on the fabric-covered first surface 11. Of course, the panel material can also be various components conceivable by those skilled in the art, including but not limited to plate-like members and / or other frame structures used in furniture, such as sofa backrests, sofa seat frames, front panels, armrest frames, headrests, bed frames, tabletops, chairs, and the like. Furthermore, the fabric material described is any fabric conceivable by those skilled in the art for covering the panel material, such as sofa leather or fabric.

[0064] Furthermore, FIG2 shows a perspective view of the first surface of the sheet material from another perspective, illustrating the aforementioned elastic component (in this embodiment, the elastic component is configured as a clamping component) formed on the sheet material 1, and the clamping component is equipped with the aforementioned fastener (not shown) for fixed connection to the fabric. Specifically, referring to FIG2 , in this exemplary embodiment, preferably, two grooves 111 are formed on the first surface 11 of the sheet material 1, each groove being parallel to the longitudinal edge of the sheet material 1 and extending continuously from one of the width edges of the sheet material to the other. This groove arrangement facilitates easier positioning of the connection position during assembly, allowing workers to quickly find the connection position on the sheet material by feel / tactile sensation rather than visual positioning during assembly (this is very advantageous during assembly or use of the sheet material, as the sheet material is sometimes assembled in a location that is difficult to reach by sight), thereby assembling the fabric and the sheet material together. In addition, the number of grooves in this embodiment is two, which allows workers or users to select the connection position as needed, thereby flexibly controlling the degree of fabric tension, and also flexibly providing a shape with different numbers and / or positions of tension lines on the upper surface 11.

[0065] It can be imagined that the above-mentioned arrangement of the grooves is merely preferred and not restrictive. Those skilled in the art can adjust or modify the arrangement of the grooves according to actual needs, for example: arranging other numbers of grooves on the first surface, or arranging at least some of the grooves to extend along the width edge of the plate, or arranging each groove to be non-continuous (discrete).

[0066] Furthermore, referring to Figures 2 to 4, each groove 111 is provided with one or more accommodating areas 112 of increased width. The width of the accommodating areas in the direction transverse to the groove extension is greater than the width of the groove. The areas are used to accommodate the one or more clamping assemblies 113 described above. Those skilled in the art can select the number of accommodating areas and corresponding clamping assemblies, as well as their arrangement relationship with the grooves, based on actual needs. For example, in addition to the one-to-one correspondence arrangement shown in the present embodiment, multiple clamping assemblies can be arranged in each accommodating area to increase the clamping force. Alternatively, grooves can be omitted and multiple areas 112 can be directly dispersed on the first surface 11 of the plate, each accommodating one or more clamping assemblies 113. In addition, the shape of the accommodating areas 113 can be selected as needed, as long as it can adapt to the corresponding clamping assembly. The above-mentioned variations in the arrangement of grooves, accommodating areas, and clamping assemblies do not depart from the scope of protection of this application.

[0067] Furthermore, the aforementioned fasteners can be constructed as the buckle strips 2 exemplarily shown in FIG. 5 , which are fixedly connected (e.g., sewn or bonded) to the fabric, so that when the buckle strips 2 are clamped in place by the clamping assembly 113, the fabric is tightened and fixed to the sheet material 1, and covers the sheet material. It is conceivable that the number and arrangement of the buckle strips 2 can be determined based on the number and / or arrangement of the above-mentioned grooves, accommodating areas, and / or clamping assemblies, such as, but not limited to: the buckle strips correspond one-to-one with the number of grooves, and in the connected state, they are arranged continuously or discretely along the extending direction of the grooves; or the number of buckle strips can also match the accommodating areas and / or clamping assemblies, and those skilled in the art can make selections as needed.

[0068] 3 , in this embodiment, preferably, the first clamping portion and the second clamping portion of the clamping assembly 113 are respectively configured as elastic first clamping arms 1131 and second clamping arms 1132 extending upward from the bottom surface 1121 of the accommodating area 112. Further preferably, each of the first clamping arms 1131 and the second clamping arms 1132 includes: a connecting end 11311, 11321 connected to the bottom surface 1121 of the accommodating area 112; a free end 11312, 11322 opposite the connecting end; and an extension portion 11313, 11323 extending between and connecting the connecting end and the free end.

[0069] Further preferably, in a natural state without external forces acting on it, i.e., in the state without a buckle strip inserted as shown in FIG3 , the first gap width between the free end 11312 of the first clamping arm 1131 and the free end 11322 of the second clamping arm 1132 is less than the thickness of the corresponding buckle strip 2 to be mated, and the second gap width between the connecting end 11311 of the first clamping arm and the connecting end 11321 of the second clamping arm is greater than the thickness of the buckle strip 2. This gap width design of the free ends of the clamping arms allows the buckle strip to be stretched apart by the free ends of the elastic clamping arms when the buckle strip is inserted between the clamping arms 1131 and 1132, generating a rebound force. This rebound force clamps the buckle strip securely between the two clamping arms and prevents it from coming loose. When the buckle strip needs to be assembled or disassembled, a significant external force must be applied to insert or remove it, which ensures the reliability of the connection between the fabric and the panel. At the same time, the connection end at the lower part of the clamping arm is designed to have a gap width greater than the gap width of the free end, and more preferably greater than the thickness of the above-mentioned buckle strip 2, which can provide a certain degree of freedom for the buckle strip so that it will not be stuck between the clamping arms, thereby facilitating assembly and disassembly.

[0070] In order to achieve the above-mentioned first gap width being smaller than the thickness of the buckle strip and the second gap width being larger than the gap thickness, various configurations of the clamping arms can be designed. As an exemplary embodiment, the clamping arms can be configured such that, in the direction from the connection end to the free end, the extensions 11313, 11323 of the first clamping arm 1131 and the second clamping arm 1132 extend toward the opposite side (i.e., the other clamping arm) in a direction oblique to the vertical direction. As another example, referring to FIG4 , the free end 11312, 11322 of at least one of the first clamping arm 1131 and the second clamping arm 1132 is formed with a protrusion 11314, 11324 that is substantially transverse to the extension 11313, 11323 of the clamping arm and extends toward the other clamping arm. The protrusion is formed with a clamping surface 11316 for clamping the corresponding buckle strip 2 and a guide surface 11315 for guiding the buckle strip into the space between the first and second clamping arms. The clamping surface extends substantially parallel to the wall of the groove, and the guide surface extends obliquely between the clamping surface and the top of the free end. In some cases, when both clamping arms are formed with protrusions, the first gap width described above is formed between the two opposing clamping surfaces on the two protrusions, and this width is less than the thickness of the corresponding buckle strip. In other cases, when only one of the two clamping arms is formed with a protrusion, the first gap width described above is formed between the clamping surface of the protrusion and the corresponding portion of the free end of the other clamping arm, and this width is less than the thickness of the buckle strip.

[0071] The above-mentioned related structures of the clamping arm are not intended to limit the scope of the present application, but are merely illustrative. Those skilled in the art can select a suitable structure of the clamping component according to actual needs, for example, the first and second clamping parts are both set as leaf springs, or a biasing component such as a tension spring is set between the first and second clamping parts to bias the two clamping parts toward each other, etc. These embodiments do not depart from the scope of protection of the present application.

[0072] Further preferably, the first clamping arm 1131 and the second clamping arm 1132 extend beyond the height of the first surface 11 of the sheet 1, that is, they protrude from the first surface 11. This not only increases the length of the clamping arms, thereby enhancing the clamping force, but also increases the engagement area between the buckle strip and the clamping assembly (i.e., the area where the buckle strip is inserted into the clamping assembly), increasing the allowable range of relative motion and providing a redundant dimension to ensure that the buckle strip does not fall off completely. Furthermore, the protruding clamping assembly facilitates direct tactile positioning during assembly or disassembly.

[0073] Further preferably, ribs 11317, 11327 are provided on the outer sides / back sides of the first clamping arm 1131 and / or the second clamping arm 1132 to reinforce the corresponding clamping arm structure. The provision of these ribs prevents the clamping arms from breaking when subjected to the force of inserting the buckle strip, while also ensuring a strong clamping force. Unlike separate clamping arms, which are prone to deformation in the direction opposite to the buckle strip when subjected to force, thus causing the buckle strip to fall off, these ribs are not present. It is understood that those skilled in the art may also provide other reinforcement structures as needed, as long as they can ensure that the clamping arms can generate the necessary clamping force and reduce the possibility of clamping arm breakage.

[0074] Further preferably, the length of the buckle strip is the same as or close to the length of the corresponding groove 11, so that the entire buckle strip can be easily snapped into the groove and clamped in place by the clamping assembly 113 in the groove. Of course, the length and / or structure of the buckle strip can be set as needed. For example, the buckle strip can be arranged in a continuous or discrete manner in conjunction with the groove, or the buckle strip length can be set to be different from the groove length, all of which do not depart from the scope of protection of this application.

[0075] Preferably, a stopper is provided on one or both sides of the buckle strip 2 to further prevent the buckle strip from disengaging from the corresponding clamping assembly, such as falling off between the two clamping arms 1131, 1132. This is particularly useful for preventing the buckle strip from falling off the free ends of the clamping arms when subjected to a certain external force during transportation or use of the furniture. In one example, the stopper is configured as a rib 21. The rib is located near the clamping arm connection ends 11311, 11312 (i.e., near the bottom surface 1121 of the increased width accommodation area) when the buckle strip 2 is in the connected state, and is arranged continuously or discretely along the length of the buckle strip. Of course, the stopper may also have various other structures, such as a hook extending upward from the bottom side of the buckle strip near the clamping arm connection end, or the side of the buckle strip may be configured as a stepped structure. These variations fall within the scope of protection of this application.

[0076] 6 to 9 , another exemplary embodiment of a clamping assembly is shown.

[0077] Figures 6 and 7 show the second surface 12 of the plate 1 opposite to the first surface 11 as described above, that is, the lower surface of the plate in a normally placed state. The second surface 12 is provided with one or more grooves 121 along the circumferential direction. It can be imagined that, similar to the grooves 111 of the first surface 11 described above, the number of grooves 121 can also be one or more, and they can also be arranged continuously or discretely along the circumferential direction of the plate. Those skilled in the art can adjust the arrangement of the grooves according to actual needs. In a preferred embodiment, the grooves 121 are grooves that extend continuously for a circle along the circumferential edge of the second surface 12 as shown in Figures 6 and 7. Such a continuous arrangement is conducive to more convenient positioning of the connection position during the assembly process, so that the fabric and the plate can be easily assembled together by touch alone.

[0078] Further, referring to Figures 8 and 9, the groove 121 has an outer sidewall 1211 near the edge of the plate and an inner sidewall 1212 near the center of the plate. The inner sidewall 1212 has a protrusion 12121 formed on it, extending approximately transversely to the groove and toward the outer sidewall. This protrusion has a clamping surface 12123 for clamping a corresponding buckle strip, and a guide surface 12122 for guiding the buckle strip into the clamping portion of the clamping assembly. The clamping surface extends approximately parallel to the inner and outer sidewalls, and the guide surface extends obliquely between the clamping surface and the inner sidewall. In this embodiment, the first clamping portion is configured as the outer sidewall 1211, and the second clamping portion is configured as the protrusion 12121 on the inner sidewall 1212. It is conceivable that in other embodiments, the outer wall may be provided with a protrusion extending inward, which together with the inner wall may serve as the first and second clamping portions, respectively; or, both the inner and outer walls may be provided with protrusions extending toward each other, with the two protrusions serving as the first and second clamping portions, respectively; or, neither the inner nor outer walls may be provided with a clamping portion, but may be configured to extend obliquely toward each other (with the inner and outer walls themselves serving as the first and second clamping portions), so that the buckle strip can be directly clamped by the inner and outer walls themselves after insertion. Persons skilled in the art may make various adjustments and modifications as needed, without departing from the scope of protection of this application.

[0079] Furthermore, it is understood that the buckle strips 2 described above can all be used in conjunction with the clamping assemblies shown in Figures 6 to 9. Furthermore, the embodiments described above with respect to Figures 1 to 4 (i.e., providing a groove 111 and a corresponding clamping assembly 113 on the first surface 11) and the embodiments described with respect to Figures 6 to 9 (i.e., providing a groove 121 and a corresponding clamping assembly on the second surface 12) can be arranged in combination. In a preferred embodiment, when used in combination, fabric can first be covered on the first surface 11 of the sheet 1; the edges of the fabric can then be bent from the side surfaces around the sheet so that they bypass the side surfaces and reach the second surface 12; the buckle strips fixed at the edges of the fabric can then be inserted into the corresponding circumferential grooves 121 on the second surface and secured by the clamping assemblies on the second surface 12; finally, the buckle strips fixed to the fabric near the grooves 111 on the first surface 11 can be inserted into the corresponding grooves 111 and secured by the clamping assemblies 113 on the first surface, thereby tightening the fabric and forming a linear shape on the first surface 11. This combination allows the fabric to completely wrap around the user-facing surface of the panel, secure the edges around the opposite surface, and further tighten and shape the fabric on this user-facing surface. The entire leather-wrapping process is simple and easy to operate, unlike traditional nailing assembly methods. It offers greater flexibility, facilitates standardized and large-scale production, and allows for disassembly and adjustment during assembly and use.

[0080] Preferably, the various clamping assemblies described above are plastic structures integrally molded with the sheet material, or metal structures integrally cast with the sheet material. For example, the clamping assemblies can be blow-molded, injection-molded, wood-plastic-molded, or extruded integrally with the sheet material. Those skilled in the art can select the appropriate molding method and corresponding materials based on actual needs.

[0081] Next, refer to Figure 10, which shows another exemplary embodiment of the elastic component (similar to the aforementioned embodiment, in this embodiment, the elastic component is still described using the clamping component as an example). Unlike the clamping component that is integrally formed with the plate, the clamping component 3 in this embodiment is an independent component formed independently of the plate 1, which can be detachably fixed to the plate 1, thereby enabling more flexible assembly for application in a variety of scenarios. By providing a detachable clamping component, the assembly flexibility between components is improved, and staff or users can match the detachable clamping component with the corresponding preset structure on the plate as needed to achieve various connection arrangements.

[0082] The clamping assembly 3 includes first and second elastic clamping portions arranged in opposition, which can be constructed as first and second clamping arms 31 and 32, similar to the clamping assembly 113 described above. Similarly, the clamping arms 31 and 32 can be removably connected to one or more fasteners (e.g., the aforementioned buckle strip 2) fixedly attached to the fabric, thereby allowing the fabric and the panel to be removably connected. The specific structure of the clamping arms in this embodiment can be similar to that described above for the clamping arms of the clamping assembly 113 and will not be further described here.

[0083] Further preferably, the clamping assembly 3 includes a base 33, which is preferably constructed as a flat plate or a plate with a curved surface, so that it can conform to the surface of the corresponding plate when engaged with the plate. The first clamping arm 31 and the second clamping arm 32 extend from one side of the base 33 in a first direction (i.e., a direction away from the plate in the assembled state). The clamping assembly 3 also includes an engagement portion 34 extending from the other side of the base in a second direction opposite to the first direction, which is configured to detachably engage with a corresponding receiving portion (not shown) provided on the corresponding surface of the plate, thereby detachably securing the clamping assembly to the plate.

[0084] In a preferred embodiment, the engaging portion 34 includes a cylindrical portion 34 extending from the base 33 toward the second direction, and one or more elastic arms 342 extending from the free end of the cylindrical portion toward the base 33 and arranged around the cylindrical portion. Accordingly, the receiving portion is configured as a hole (not shown) opened on a side surface of the plate, and wherein the one or more elastic arms 342 are configured to elastically bias toward the inner wall of the hole when the engaging portion is inserted into the corresponding receiving portion on the plate, so as to at least partially prevent relative movement between the engaging portion and the receiving portion, in particular relative movement along the axial direction of the hole.

[0085] Further preferably, the coupling portion 34 of the clamping assembly also includes one or more elastic support arms 343 extending from the circumferential surface of the columnar portion 341 to the free ends of one or more elastic arms 342 and connected to the free ends of these elastic arms. The support arms further enhance the biasing force of the elastic arms, ensuring a secure fit between the coupling portion and the receiving portion, preventing them from loosening. The triangular structure formed by the support arms, elastic arms, and columnar portion enhances the overall strength of the coupling portion, making it less susceptible to breakage and providing a stable and reliable structure.

[0086] In another preferred embodiment, the aforementioned engaging portion may also be a threaded rod structure, and correspondingly, the receiving portion on the plate may be a mating threaded hole structure. It is contemplated that those skilled in the art may adjust or modify the aforementioned engaging portion and receiving portion as needed, and such modifications fall within the scope of protection of this application.

[0087] It is understood that the various embodiments described above may be used in combination. For example, a plate may be provided with an integrally formed clamping assembly (such as shown in Figures 1 to 4 and / or Figures 6 to 9 ) and also provided with a receiving portion for mating with an independently formed detachable clamping assembly (such as shown in Figure 10 ), thereby allowing the operator to select any mating method as needed. All such combinations fall within the scope of protection of the claims of this application.

[0088] Furthermore, although the connection structures described in detail above with respect to the accompanying drawings are all combinations of inwardly biased clamping assemblies and fasteners clamped between the clamping assemblies, in other embodiments, the elastic assembly may also be of an outwardly biased type, for example, having a first elastic portion and a second elastic portion that are biased outwardly away from each other. Accordingly, the fastener connected to the fabric may be constructed as a sleeve component that sleeves onto the outside of the elastic assembly during assembly. Those skilled in the art may select an appropriate combination based on actual needs.

[0089] The above description of the various embodiments of the present application is provided to one of ordinary skill in the relevant art for the purpose of description. It is not intended that the present application be exclusive or limited to a single disclosed embodiment. As above, a person of ordinary skill in the art will understand the various substitutions and modifications of the present application. Therefore, although some alternative embodiments are specifically described, a person of ordinary skill in the art will understand or relatively easily develop other embodiments. The present application is intended to include all substitutions, modifications and variations of the present application described herein, as well as other embodiments that fall within the spirit and scope of the present application described above.

Claims

1. An elastic component for connecting a plate (1) and a fabric, characterized in that: The elastic component can be detachably fixed to the plate (1) and comprises a first elastic portion and a second elastic portion arranged opposite to each other. The first elastic portion and the second elastic portion can be detachably connected to one or more buckles fixedly connected to the fabric, so as to allow the fabric to be detachably connected to the plate (1).

2. The elastic component according to claim 1, characterized in that: The elastic component is configured as a clamping component (3), wherein the first elastic portion and the second elastic portion are respectively configured as a first clamping portion and a second clamping portion biased toward each other, and In the connected state, the snap member is clamped between the first clamping portion and the second clamping portion of the corresponding clamping assembly.

3. The elastic component according to claim 1, characterized in that: The first elastic portion and the second elastic portion are configured to be biased in a direction away from each other, and In the connected state, the buckle is sleeved outside both the first elastic portion and the second elastic portion and is biased and fixed by the elastic component.

4. The elastic component according to claim 2, characterized in that: The clamping assembly further comprises a base (33), wherein the first clamping portion and the second clamping portion are configured as a first clamping arm (31) and a second clamping arm (32) extending from one side of the base (33) toward a first direction, and The clamping assembly further comprises a coupling portion (34) extending from the other side of the base (33) toward a second direction opposite to the first direction, wherein the coupling portion (34) is used to detachably cooperate with a receiving portion provided on a surface of one side of the plate. The clamping assembly can be detachably fixed to the plate.

5. The elastic component according to claim 4, characterized in that: The joint portion (34) comprises: a columnar portion (341) extending from the base toward the second direction; and One or more elastic arms (342) extending from the free end of the columnar portion toward the base and arranged around the columnar portion, And wherein the receiving portion is constructed as a hole opened on a side surface of the plate, and wherein the one or more elastic arms (342) are constructed to elastically bias toward the inner wall of the hole when the engaging portion (34) is inserted into the corresponding receiving portion on the plate, so as to at least partially prevent the relative movement between the engaging portion (34) and the receiving portion.

6. The elastic component according to claim 5, characterized in that: The joint portion (34) further comprises one or more elastic support arms (343) extending from the peripheral side surface of the columnar portion to the free side of the one or more elastic arms (342) and connected to the free side.

7. The elastic component according to claim 4, characterized in that: The engaging portion (34) and the receiving portion are a threaded rod and a threaded hole that fit together.

8. A connecting component between a plate (1) and a fabric, characterized in that: The connecting component comprises: One or more elastic components arranged on the plate (1), each elastic component having a first elastic portion and a second elastic portion arranged opposite to each other; and one or more fasteners fixedly connected to the fabric, The one or more buckles can be detachably connected to the one or more elastic components to allow the fabric to be detachably connected to the plate (1).

9. The connecting component according to claim 8, characterized in that: The elastic component is configured as a clamping component (3), wherein the first elastic portion and the second elastic portion are respectively configured as a first clamping portion and a second clamping portion biased toward each other, and In the connected state, the snap member is clamped between the first clamping portion and the second clamping portion of the corresponding clamping assembly.

10. The connecting component according to claim 8, characterized in that The first elastic portion and the second elastic portion are configured to be biased in a direction away from each other, and In the connected state, the buckle is disposed outside both the first elastic portion and the second elastic portion, and is biased and fixed by the elastic component.

11. The connecting component according to claim 9, characterized in that The first surface (11) of the plate (1) covered by the fabric in the assembled state is provided with one or more grooves (111) extending along the length direction of the plate, and each groove (111) is provided with one or more accommodating areas (112) arranged along the extension direction of the groove for accommodating the one or more clamping components (113), wherein the width of the one or more accommodating areas (112) in the direction transverse to the extension direction of the groove is greater than the width of the groove, and wherein each accommodating area (112) is configured to accommodate one or more clamping components (113).

12. The connecting component according to claim 11, characterized in that At least a portion of the one or more snap-fit ​​parts is constructed as a buckle strip (2). In a connected state, the buckle strip (2) is received in a corresponding groove (111) and extends continuously or is discretely arranged along the extension direction of the groove, and is clamped by one or more clamping components (113) in the groove (111).

13. The connecting component according to claim 12, characterized in that The first clamping portion and the second clamping portion are respectively constructed as a first clamping arm (1131) and a second clamping arm (1132) extending upward from a bottom surface (1121) of the corresponding accommodating area (112).

14. The connecting component according to claim 13, characterized in that Each of the first clamping arm (1131) and the second clamping arm (1132) comprises: a connecting end (11311, 11321) connected to the bottom surface (1121) of the accommodating area (112); a free end (11312, 11322) opposite to the connecting end, and An extension portion (11313, 11323) extends between the connecting end (11311, 11321) and the free end (11312, 11322) and connects the connecting end and the free end.

15. The connecting component according to claim 14, characterized in that In a natural state without being acted upon by external force, the width of a first gap between the free end (11312) of the first clamping arm (1131) and the free end (11322) of the second clamping arm (1132) is smaller than the thickness of the corresponding buckle strip (2), and the width of a second gap between the connecting end (11311) of the first clamping arm (1131) and the connecting end (11312) of the second clamping arm (1132) is larger than the thickness of the corresponding buckle strip (2).

16. The connecting component according to claim 15, characterized in that In the direction from the connecting end to the free end, the extending portion (11313) of the first clamping arm (1131) and the extending portion (11323) of the second clamping arm (1132) extend obliquely toward opposite sides.

17. The connecting component according to claim 15, characterized in that The free end of at least one of the first clamping arm (1131) and the second clamping arm (1132) is formed with a protrusion (11314, 11324) extending transversely to the extension portion and toward the other clamping arm, and the protrusion (11314, 11324) is formed with a clamping surface (11316) for clamping the corresponding buckle strip and a guide surface (11315) for guiding the buckle strip into the space between the first clamping arm (1131) and the second clamping arm (1132).

18. The connecting component according to claim 13, characterized in that The first clamping arm (1131) and the second clamping arm (1132) extend beyond the height of the first surface of the sheet material.

19. The connecting component according to claim 13, characterized in that: The outer sides of the first clamping arm (1131) and / or the second clamping arm (1132) away from each other are provided with ribs (11317, 11327) for strengthening the corresponding clamping arm structure.

20. The connecting component according to claim 15, characterized in that A stopper is provided on one side surface or both side surfaces of the buckle strip (2), and the stopper is configured to prevent the buckle strip from being disengaged from the corresponding clamping assembly.

21. The connecting component according to claim 20, characterized in that The stop portion is configured as a convex rib (21), which is located at a portion of the buckle strip close to the connection end of the clamping arm in the connected state, and the convex rib extends continuously or is discretely arranged along the length direction of the buckle strip.

22. The connecting component according to claim 9, characterized in that The second surface (12) of the plate is provided with one or more grooves (121) along the circumferential direction, wherein the second surface is the surface opposite to the first surface (11) of the plate which is covered by the fabric in the assembled state, and Wherein, at least a portion of the one or more snap-on parts is constructed as a buckle strip (2). In a connected state, the buckle strip is received in a corresponding groove and extends continuously or is discretely arranged along the extension direction of the groove, and is clamped by one or more clamping components in the groove.

23. The connecting component according to claim 22, characterized in that The first clamping portion is constructed as one of the outer wall (1211) and the inner wall (1212) of the groove, and the second clamping portion is constructed as a protrusion (12121) extending from the other of the outer wall and the inner wall of the groove toward the one of the outer wall and the inner wall, and the protrusion has a clamping surface (12123) for clamping the corresponding buckle strip and a guiding surface (12122) for guiding the buckle strip into the space between the first clamping portion and the second clamping portion.

24. The connecting component according to any one of claims 8 to 23, characterized in that: The clamping assembly is a plastic structure integrally formed with the plate, or a metal structure integrally cast with the plate.

25. The connecting component according to claim 24, characterized in that The clamping assembly is a plastic structure that is integrally blow-molded, integrally injection-molded, integrally extruded, and / or integrally wood-plastic molded with the plate.

26. The connecting component according to any one of claims 8 to 23, characterized in that: The plate is a footboard of a sofa, and the fabric is a sofa fabric covering the surface of the footboard.

27. The connecting component according to any one of claims 8 to 23, characterized in that: The buckle is sewn or bonded to the inner surface of the fabric.

28. A footboard assembly of a sofa, characterized in that: The footboard assembly comprises a plate and a fabric connected by a connecting component according to any one of claims 8-27.

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