Compact folding table

Abstract

The utility model provides a folding table with a compact structure, comprising: a table board assembly, wherein the table board assembly comprises two side table boards, and the opposite sides of the two side table boards can be aligned to form a complete table board; a combined surrounding frame structure, wherein the combined surrounding frame structure comprises a large surrounding frame and a small surrounding frame, and the small surrounding frame can be sleeved and installed in the large surrounding frame, and the large surrounding frame and the small surrounding frame are fixed to the bottoms of the two side table boards, and a part of the large surrounding frame and the small surrounding frame extend out from the opposite sides of the two side table boards, and the parts of the large surrounding frame and the small surrounding frame extending out from the side table boards are adapted to each other; the utility model uses the large surrounding frame and the small surrounding frame structure that can be adapted to each other to simultaneously complete the positioning, assembly and support of the two side table boards, and has simple assembly and disassembly, small storage space and stable structure, thereby solving the problems of the folding table in the prior art having complicated assembly and disassembly steps, large storage space and unstable structure, which is prone to loosening of parts and shaking of the structure.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a folding table with a compact structure. Background Art

[0002] With the progress of society, people's quality of life is improving day by day, and the requirements for the functionality and quality of household items are becoming more and more stringent. This trend is particularly reflected in the choice of tables. In pursuit of portability, folding tables are favored by consumers because of their unique foldable design. Folding tables take up less space after folding, which is not only convenient for storage, but also greatly reduces the cost of logistics and transportation, making self-assembly after online shopping a convenient option.

[0003] However, existing folding table designs, while pursuing the goal of saving logistics costs, often split the table into too many fragmented parts, and assemble and fix them through connecting structures such as screws. Although this design reduces the space occupied during transportation to a certain extent, it also brings considerable troubles to users. Due to the large number of parts and unclear assembly positions, users often need to carefully read the instructions during assembly, and even need to use tools to complete it. What's more serious is that due to the large number of connecting structural parts, the structural stability of the folding table after assembly is often greatly reduced. After long-term use, problems such as loose parts and shaking structures are prone to occur, which undoubtedly greatly reduces the user experience.

[0004] Therefore, designing a folding table that has the advantages of efficient storage, easy assembly and disassembly, and can ensure structural stability has become an urgent problem to be solved. Such a design can not only meet the user's demand for convenience, but also maintain stable performance during long-term use, bringing users a more comfortable and pleasant use experience. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the technical problem to be solved by the present invention is to provide a folding table with a compact structure, which solves the problems in the prior art that the folding table has complicated assembly and disassembly steps, large storage space and unstable structure, which makes it easy for parts to loosen and the structure to shake.

[0006] In order to solve the above technical problems, the utility model provides a folding table with a compact structure, comprising:

[0007] A table board assembly, the table board assembly comprising two side table boards, and the two side table boards can be assembled into a complete table board by aligning the opposite sides of the two side table boards;

[0008] A combined enclosure structure, the combined enclosure structure comprising a large enclosure and a small enclosure, the small enclosure can be installed in the large enclosure, the large enclosure and the small enclosure are fixed to the bottom of the two side table boards, and a part of the large enclosure and the small enclosure extends from the opposite sides of the two side table boards, and the parts of the large enclosure and the small enclosure extending from the side table boards are adapted to each other;

[0009] When assembling, the part of the small frame extending out of the side table board is inserted into the part of the large frame extending out at a certain angle, and the two side table boards are pushed closer to each other and laid flat at the same time until the small frame is completely embedded in the large frame. At this time, the opposite sides of the two side table boards are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side table boards is tilted up at a certain angle so that the small frame is detached from the large frame, and the side table boards are pulled away from each other until the part of the small frame extending out of the side table board is completely separated from the part of the large frame extending out of the side table board. At this time, the compact folding table is in a disassembled state.

[0010] As a more preferred embodiment, the combined frame structure also includes a locking piece, and fixing holes are respectively opened at corresponding positions of the large frame and the small frame. The large frame and the small frame are locked and fixed by passing the locking piece through the fixing holes, thereby further reducing the structural shaking between the large frame and the small frame, improving stability, and providing better support for the side table panel.

[0011] As a more preferred embodiment, the compact folding table includes a plurality of combined frame structures, which can better assemble the two side table panels as a whole, reduce errors, and provide better support for the side table panels.

[0012] As a more preferred manner, the large frames and small frames of the multiple combined frame structures are alternately arranged at the bottom of the two side table panels, and the alternately arranged large frames and small frames interlock with each other, which can further enhance the structural stability.

[0013] As a more preferred embodiment, the large enclosure frame and the small enclosure frame are both rectangular frame structures, which are simple and easy to produce.

[0014] As a more preferred embodiment, the compact folding table further comprises a leg assembly disposed at the bottom of the table top assembly, and the leg assembly is used to provide support for the table top assembly.

[0015] As a more preferred embodiment, the leg assembly includes a support fixed to the table top assembly and a leg detachably fixed to the support, and the leg can provide a more stable support.

[0016] As a more preferred embodiment, a first thread is provided in the support, and a second thread matching the first thread is provided at the connecting end between the leg and the support. The support is fixed to the support by threaded connection, and the structure is simple and easy to assemble.

[0017] As a more preferred embodiment, the compact folding table further comprises a perforated member, the perforated member is provided with a through hole, and opposite sides of the two side table panels are correspondingly provided with notches matching the perforated member. When the opposite sides of the two side table panels are aligned, the perforated member is pushed into the notch, and the perforated member is respectively connected to the side table panels on both sides, and the through holes can be used for threading and fixing external devices.

[0018] As a more preferred embodiment, the perforated member includes a support tube and a spring sheet arranged at the bottom of the support tube, a snap-fit ​​structure is arranged at the bottom of the spring sheet, and the through hole is arranged in the support tube; when the opposite sides of the two side table panels are aligned and the perforated member is pushed from top to bottom into the notch, the snap-fit ​​structure interferes with the inner wall of the notch of the side table panel, the spring sheet is deformed, and when the snap-fit ​​structure passes through the notch, the spring sheet rebounds so that the snap-fit ​​structure is snapped into the bottom of the side table panel.

[0019] As described above, the compact folding table of the utility model has the following beneficial effects: when the compact folding table of the utility model is assembled, the part of the small frame extending out of the side table board is inserted into the part of the large frame extending out at a certain angle, and the two side table boards are pushed closer to each other and the two side table boards are laid flat until the small frame is completely embedded in the large frame, at which time the opposite sides of the two side table boards are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side tables is tilted up at a certain angle so that the small frame is detached from the large frame, and the side table boards are pulled away from each other until the small frame extends out of the part of the side table board. The small surrounding frame is completely separated from the part of the side table panel that extends out of the large surrounding frame, and the compact folding table is in a disassembled state at this time; because the small surrounding frame can be installed in the large surrounding frame, when the compact folding table is in an unfolded state, the small surrounding frame and the large surrounding frame structure can be completely fitted together, compared with the traditional folding table that is partially fixed by multiple single connecting structural parts, the combined frame structure can better fix the two side table panels to each other as a whole and support the side table panels at the same time; further, in the disassembled state, stacking and storing the two side table panels can further reduce storage space and packaging logistics costs.

[0020] To sum up, the compact folding table of the utility model can simultaneously complete the positioning, assembly and support of the two side table panels through a large frame and a small frame structure that can be adapted to each other. It is simple to assemble and disassemble, has a small storage space and a stable structure, which solves the problem of complicated assembly and disassembly steps, large storage space and unstable structure of the folding table in the prior art, which is prone to loose parts and shaking of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Shown is an exploded schematic diagram of a compact folding table of the present invention;

[0022] Figure 2 Display as Figure 1 A partial enlarged view of the middle area A;

[0023] Figure 3 Shown is a schematic diagram of the combination of two side table panels of a compact folding table of the utility model;

[0024] Figure 4 Shown is a schematic diagram of the unfolded state of the compact folding table of the present invention.

[0025] Component number description

[0026] 1 Tabletop assembly

[0027] 11 Side table

[0028] 111 Gap

[0029] 2 Combined frame structure

[0030] 21 Large Frame

[0031] 211 Fixing hole

[0032] 22 Small frame

[0033] 23 Locking piece

[0034] 3 Leg assembly

[0035] 31 Support

[0036] 32 Legs

[0037] 4 Perforated parts

[0038] 41 Support tube

[0039] 411 Through hole

[0040] 42 Shrapnel

[0041] 43 Buckle structure DETAILED DESCRIPTION

[0042] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0043] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this utility model, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that can be produced by the utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. The following detailed description should not be considered restrictive, and the scope of the embodiments of this application is limited only by the claims of the published patents. The terms used here are only for describing specific embodiments and are not intended to limit this application. Spatial related terms, such as "upper", "lower", "left", "right", "below", "below", "lower", "above", "upper", etc., can be used in the text to facilitate the description of the relationship between an element or feature shown in the figure and another element or feature.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "hold" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless there is an indication to the contrary in the context. It should be further understood that the terms "comprise", "include" indicate the presence of the described features, operations, elements, components, items, kinds, and / or groups, but do not exclude the presence, occurrence or addition of one or more other features, operations, elements, components, items, kinds, and / or groups. The terms "or" and "and / or" used herein are interpreted as inclusive, or mean any one or any combination. Therefore, "A, B or C" or "A, B and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C". Exceptions to this definition will only occur when the combination of elements, functions or operations is inherently mutually exclusive in some way.

[0046] like Figures 1 to 4 As shown, the utility model provides a folding table with a compact structure, comprising:

[0047] A table board assembly 1, wherein the table board assembly 1 comprises two side table boards 11, and the two side table boards 11 can be assembled into a complete table board by aligning the opposite sides thereof;

[0048] A combined enclosure structure 2, the combined enclosure structure 2 comprising a large enclosure 21 and a small enclosure 22, the small enclosure 22 can be installed in the large enclosure 21, and the outer side of the small enclosure 22 fits with the inner side of the large enclosure 21, the large enclosure 21 and the small enclosure 22 are fixed to the bottom of the two side table boards 11, and a part of them extends from the opposite sides of the two side table boards 11, and the parts of the large enclosure 21 and the small enclosure 22 extending from the side table boards 11 fit each other;

[0049] When assembling, the part of the small frame 22 extending out of the side table board 11 is inserted into the part of the large frame 21 at a certain angle, and the two side table boards 11 are pushed closer to each other and the two side table boards 11 are laid flat until the small frame 22 is completely embedded in the large frame 21. At this time, the opposite sides of the two side table boards 11 are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side table boards 11 is tilted up at a certain angle so that the small frame 22 is detached from the large frame 21, and the side table boards 11 are pulled away from each other until the part of the small frame 22 extending out of the side table board 11 is completely separated from the part of the large frame 21 extending out of the side table board 11, and the compact folding table is in a disassembled state.

[0050] In order to better introduce the compact folding table of the utility model, it is now explained in combination with the following specific applications: when the compact folding table of the utility model is assembled, the part of the small frame 22 extending out of the side table board 11 is inserted into the part of the large frame 21 at a certain angle, and the two side table boards 11 are pushed close to each other and the two side table boards 11 are laid flat until the small frame 22 is completely embedded in the large frame 21. At this time, the opposite sides of the two side table boards 11 are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side tables 11 is tilted up at a certain angle so that the small frame 22 is detached from the large frame 21, and the side table boards 11 are pulled away from each other until the part of the small frame 22 extending out of the side table board 11 is aligned with the part of the large frame 21 extending out of the side table board 11. The large surrounding frame 21 and the small surrounding frame 22 are concentrically arranged, and the small surrounding frame 22 can be installed in the large surrounding frame 21, and the outer side of the small surrounding frame 22 fits with the inner side of the large surrounding frame 21. Therefore, when the compact folding table is in the unfolded state, the small surrounding frame 22 and the large surrounding frame 21 can fit completely. Compared with the traditional folding table that is partially fixed by multiple single connecting structural members, the combined frame structure 2 can better fix the two side table panels 11 to each other as a whole and support the side table panels 11 at the same time; further, in the disassembled state, stacking and storing the two side table panels 11 can further reduce the storage space and packaging logistics costs.

[0051] In this embodiment, the large frame 21 and the small frame 22 both keep half of them fixed to the bottom of the corresponding side table board 11, and the other half extends from the opposite side of the side table board 11. This can make it easier to assemble the large frame 21 and the small frame 22, and also ensure that when the folding table is in the unfolded state, the large frame 21 and the small frame 22 are located under the two side table boards 11 with the same size, thereby providing uniform support force for the two side table boards 11.

[0052] In this embodiment, if Figure 1 as well as Figure 2As shown, the combined enclosure structure 2 also includes a locking member 23, and the corresponding positions of the large enclosure 21 and the small enclosure 22 are respectively provided with fixing holes 211, and the large enclosure 21 and the small enclosure 22 are locked and fixed by passing the locking member 23 through the fixing holes 211, thereby further reducing the structural shaking between the large enclosure 21 and the small enclosure 22, improving stability, and better providing support for the side table board 11; further, in this embodiment, the combined enclosure structure 2 includes two locking members 23, and the corresponding positions at both ends of the large enclosure 21 and the small enclosure 22 are respectively provided with fixing holes 211, and the two The locking members 23 sequentially correspond to the fixing holes 211 to lock and fix the large surrounding frame 21 and the small surrounding frame 22, thereby further improving the stability of the combined frame structure 2. Similarly, the structural stability can be further improved by continuing to increase the locking members 23 as needed. Furthermore, in the present embodiment, the inner side of the fixing hole 211 is provided with a thread, and the locking member 23 is a hand-tightened screw, so that the large surrounding frame 21 and the small surrounding frame 22 can be locked and fixed only by hand-tightening without the aid of any tools, thereby further improving the convenience of assembling the compact folding table of the present embodiment.

[0053] In this embodiment, if Figure 1 as well as Figure 4 As shown, the compact folding table includes a plurality of combined frame structures 2, and the plurality of combined frame structures 2 can better assemble the two side table panels 11 as a whole, reduce errors, and better provide support for the side table panels 11; further, in this embodiment, the compact folding table includes two combined frame structures 2 arranged side by side, and the two combined frame structures 2 can ensure a certain structural stability without increasing the complexity of assembly.

[0054] In this embodiment, if Figure 1 as well as Figure 4 As shown, the large frames 21 and the small frames 22 of the multiple combined frame structures 2 are alternately arranged at the bottom of the two side table panels 11, and the alternately arranged large frames 21 and small frames 22 are interlocked with each other, which can further improve the structural stability.

[0055] In this embodiment, if Figure 1 as well as Figure 2 As shown, the large surrounding frame 21 and the small surrounding frame 22 are both rectangular frame structures. The rectangular frame structure is simple and easy to produce. Similarly, the large surrounding frame 21 and the small surrounding frame 22 can be set to a circular frame structure according to needs. When the circular frame structure carries the side table board 11, the pressure of the side table board 11 on the large surrounding frame 21 and the small surrounding frame 22 is more uniform, and the matching assembly between the large surrounding frame 21 and the small surrounding frame 22 will be smoother.

[0056] In this embodiment, if Figure 1 as well as Figure 4 As shown, the compact folding table further comprises a leg assembly 3 arranged at the bottom of the table top assembly 1 , and the leg assembly 3 is used to provide support for the table top assembly 1 .

[0057] In this embodiment, if Figure 1 as well as Figure 4 As shown, the leg assembly 3 includes four supports 31 fixed to the four corners of the table top assembly 1 and four legs 32 detachably fixed to the supports 31 . The four legs 32 can provide more stable support.

[0058] In this embodiment, a first thread is provided in the support 31, and a second thread matched with the first thread is provided at the connecting end of the leg 32 and the support 31. The support 31 is fixed to the support 31 by a threaded connection, and the structure is simple and convenient for assembly. Similarly, as another implementation mode, a bayonet can be provided in the support 31, and a locking structure matched with the bayonet is provided at the connecting end of the leg 32 and the support 31. When the connecting end of the leg 32 and the support 31 is inserted into the support 31, the locking structure is inserted into the bayonet, thereby fixing the leg 32 and the support 31.

[0059] In this embodiment, if Figure 1 As shown in Figure 2, the compact folding table also includes a perforated member 4, which is provided with a through hole 411. The opposite sides of the two side table panels 11 are correspondingly provided with notches 111 that are compatible with the perforated member 4. After the opposite sides of the two side table panels 11 are aligned, the perforated member 4 is pushed into the notch 111. The perforated member 4 is respectively connected to the side table panels 11 on both sides, and the through hole 411 can be used for threading and external device fixation; more specifically, the handle of an outdoor umbrella can be inserted into the threading hole to meet the needs of the compact folding table for outdoor use, and has both sunshade and water-blocking functions.

[0060] In this embodiment, if Figure 1As shown in Figure 2, the perforated member 4 includes a support tube 41 and a plurality of spring pieces 42 arranged at the bottom of the support tube 41, a snap-fit ​​structure 43 is arranged at the bottom of the spring piece 42, the through hole 411 is arranged in the support tube 41, and the support tube 41 is a cylinder; when the opposite sides of the two side table panels 11 are aligned and the perforated member 4 is pushed from top to bottom into the notch 111, the snap-fit ​​structure 43 interferes with the inner wall of the notch 111 of the side table panel 11, the spring piece 42 is deformed, and when the snap-fit ​​structure 43 passes through the notch 111, the spring piece 42 rebounds so that the snap-fit ​​structure 43 is snapped into the bottom of the side table panel 11.

[0061] As described above, the compact folding table of the utility model has the following beneficial effects: when the compact folding table of the utility model is assembled, the part of the small frame 22 extending out of the side table board 11 is inserted into the part of the large frame 21 at a certain angle, and the two side seat boards are pushed closer to each other and the two side table boards 11 are laid flat until the small frame 22 is completely embedded in the large frame 21. At this time, the opposite sides of the two side table boards 11 are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side table boards 11 is tilted up at a certain angle so that the small frame 22 is detached from the large frame 21, and the side table boards 11 are pulled away from each other until the part of the small frame 22 extending out of the side table board 11 is aligned with the part of the large frame 21 extending out. Part of the side table panel 11 is completely separated, and the compact folding table is in a disassembled state. Since the large surrounding frame 21 and the small surrounding frame 22 are concentrically arranged, and the outer side of the small surrounding frame 22 fits with the inner side of the large surrounding frame 21, when the compact folding table is in an unfolded state, the small surrounding frame 22 and the large surrounding frame 21 can fit completely. Compared with the traditional folding table that is partially fixed by multiple single connecting structural members, the combined frame structure 2 can better fix the two side table panels 11 to each other as a whole, and support the side table panels 11 at the same time. Furthermore, in the disassembled state, stacking and storing the two side table panels 11 can further reduce the storage space and packaging logistics costs.

[0062] In summary, the compact folding table of the utility model can simultaneously complete the positioning, assembly and support of the two side table panels 11 through the large frame 21 and the small frame 22 structure that can adapt to each other. It is simple to assemble and disassemble, has a small storage space and a stable structure, and solves the problems of the folding table in the prior art, such as complicated assembly and disassembly steps, large storage space, unstable structure, and easy loosening of parts and shaking of the structure. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0063] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A compact folding table, characterized in that: include: A table top assembly (1), the table top assembly (1) comprising two side table tops (11), and the two side table tops (11) can be assembled into a complete table top by aligning the opposite sides thereof; A combined enclosure structure (2), the combined enclosure structure (2) comprising a large enclosure (21) and a small enclosure (22), the small enclosure (22) being able to be installed in the large enclosure (21), the large enclosure (21) and the small enclosure (22) being fixed to the bottom of the two side table boards (11), and having a portion extending from the opposite sides of the two side table boards (11), and the portions of the large enclosure (21) and the small enclosure (22) extending from the side table boards (11) being adapted to each other; When assembling, the part of the small frame (22) extending out of the side table board (11) is inserted into the part of the large frame (21) extending out at a certain angle, and the two side table boards (11) are pushed closer to each other and the two side table boards (11) are laid flat until the small frame (22) is completely embedded in the large frame (21). At this time, the opposite sides of the two side table boards (11) are aligned, and the compact folding table is in an unfolded state; when disassembling, one of the side tables (11) is tilted up at a certain angle so that the small frame (22) is detached from the large frame (21), and the side table boards (11) are pulled away from each other until the part of the small frame (22) extending out of the side table board (11) is completely separated from the part of the large frame (21) extending out of the side table board (11), and the compact folding table is in a disassembled state.

2. The compact folding table according to claim 1, characterized in that: The combined enclosure structure (2) further comprises a locking member (23), and fixing holes (211) are respectively provided at corresponding positions of the large enclosure (21) and the small enclosure (22), and the large enclosure (21) and the small enclosure (22) are locked and fixed by passing the locking member (23) through the fixing holes (211).

3. The compact folding table according to claim 1, characterized in that: The combined frame structure (2) is multiple.

4. The compact folding table according to claim 3, characterized in that: The large frames (21) and the small frames (22) of the plurality of combined frame structures (2) are arranged alternately at the bottom of the two side table panels (11).

5. The compact folding table according to claim 1, characterized in that: The large surrounding frame (21) and the small surrounding frame (22) are both rectangular frame structures.

6. The compact folding table according to claim 1, characterized in that: It also includes a leg assembly (3) arranged at the bottom of the table top assembly (1), and the leg assembly (3) is used to provide support for the table top assembly (1).

7. The compact folding table according to claim 6, characterized in that: The leg assembly (3) comprises a support (31) fixed to the table top assembly (1) and a leg (32) detachably fixed to the support (31).

8. The compact folding table according to claim 7, characterized in that: A first thread is provided in the support (31), a second thread matching the first thread is provided at the connection end between the support leg (32) and the support (31), and the support (31) is fixed to the support (31) by threaded connection.

9. The compact folding table according to claim 1, characterized in that: It also includes a perforated member (4), on which a through hole (411) is provided, and opposite sides of the two side table boards (11) are correspondingly provided with notches (111) adapted to the perforated member (4). When the opposite sides of the two side table boards (11) are aligned, the perforated member (4) is pushed into the notch (111), and the perforated member (4) is respectively connected to the side table boards (11) on both sides, and the through hole (411) can be used for threading and fixing of external devices.

10. The compact folding table according to claim 9, characterized in that: The perforated member (4) comprises a support tube (41) and a spring sheet (42) arranged at the bottom of the support tube (41); a buckle structure (43) is arranged at the bottom of the spring sheet (42); and the through hole (411) is arranged in the support tube (41); when the opposite sides of the two side table boards (11) are aligned and the perforated member (4) is pushed from top to bottom into the notch (111), the buckle structure (43) interferes with the inner wall of the notch (111) of the side table board (11), the spring sheet (42) is deformed, and when the buckle structure (43) passes through the notch (111), the spring sheet (42) rebounds so that the buckle structure (43) is buckled to the bottom of the side table board (11).

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