Connecting piece capable of being quickly assembled and disassembled
By designing quick-install and detachable connectors, and utilizing the combination of plugs, slots, limiting parts, and locking hooks, the problems of low installation efficiency and insufficient structural stability of furniture products during logistics and transportation are solved, achieving rapid installation and stable connection.
Patent Information
- Application Number
- CN202520780693.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Existing furniture products lack rapid connection technology during logistics and transportation, resulting in low installation efficiency and insufficient structural stability.
Design a quick-connecting connector, including an upper seat and a lower seat. It is connected by a plug and a slot, and by a limit part and a locking hook. It uses an elastic bolt to achieve quick connection and disassembly, and the positioning pin and positioning hole are aligned and inserted to achieve precise fixation.
It enables rapid installation and disassembly of furniture products, improves installation efficiency, and ensures structural stability and repeatability.
Smart Images

Figure CN223953012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of connecting accessories, especially to a connecting piece capable of quick assembly and disassembly. BACKGROUND
[0002] In the logistics transportation link of furniture products (such as seats, sofas), the split modular design is generally used to replace the whole assembly form for transportation. This industrial packaging scheme effectively improves the space utilization and reduces the transportation loss risk. After the product arrives at the terminal scene, on-site assembly can be completed by the user self-service or professional personnel assistance. This industry characteristic has given rise to the urgent need for quick connection technology of joint parts. Typical application scenarios include: load connection of seat frame and support structure, connection of backrest module and seat cushion system, connection of armrest unit and main component, etc. Such innovative connection technology not only optimizes the installation efficiency, but also ensures the structural stability and repeated disassembly performance of furniture products through standardized interface design. The utility model aims to provide a new connecting piece capable of quick assembly and disassembly. SUMMARY
[0003] In view of the technical background of the above prior art, the purpose of the utility model is to provide a connecting piece capable of quick assembly and disassembly.
[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:
[0005] The utility model provides a connecting piece capable of quick assembly and disassembly, which comprises an upper seat and a lower seat, an insertion connector is arranged on the upper seat or the lower seat, an insertion slot for limiting the up-down movement of the insertion connector is arranged on the lower seat or the upper seat, the insertion connector is laterally inserted and matched with the insertion slot, a limiting part is further arranged on the upper seat or the lower seat, a lock hook for limiting the up-down movement of the limiting part is further arranged on the lower seat or the upper seat, and the lock hook is connected and matched with the limiting part up and down.
[0006] Further, the limiting part of the connecting piece capable of quick assembly and disassembly comprises an elastic bolt, and after the limiting part is connected with the lock hook, the elastic bolt is clamped into the lock hook.
[0007] Further, the upper seat or the lower seat provided with the elastic bolt of the connecting piece capable of quick assembly and disassembly is provided with a lock hole, and the lock hook is connected with the elastic bolt through the lock hole.
[0008] Further, the quick detachable connector, the limiting part further comprises a tail fixing frame and a middle limiting frame, the upper seat or the lower seat provided with the elastic bolt is provided with a limiting hole, the tail end of the elastic bolt is provided with a lower end, the lower end is inserted into the limiting hole as a swing shaft, the tail fixing frame is connected to the upper seat or the lower seat provided with the elastic bolt, the tail of the elastic bolt is fixed between the tail fixing frame and the upper seat or the lower seat provided with the elastic bolt, the middle limiting frame is connected to the upper seat or the lower seat provided with the elastic bolt, the middle part of the elastic bolt is clamped in the active space between the middle limiting frame and the upper seat or the lower seat provided with the elastic bolt, and the elastic bolt can swing transversely in the active space.
[0009] Further, the quick detachable connector, one side of the hook is provided with a chamfer and a hook opening, the hook opening and the chamfer are arranged opposite to the elastic bolt, the upper seat and the lower seat are assembled and connected, the hook is connected to the limiting part in a top-to-bottom mode, the hook penetrates the lock hole and abuts against the elastic bolt, then the chamfer pushes the elastic bolt to the outside of the hook opening, at this time, the elastic bolt in the active space swings to one side, and finally the elastic bolt is clamped in the hook opening.
[0010] Further, the quick detachable connector, the upper seat or the lower seat provided with the elastic bolt is further provided with a limiting hole for limiting the swing range of the elastic bolt, the head of the elastic bolt is arranged outside the limiting hole, and the limiting hole is located between the head of the elastic bolt and the middle limiting frame.
[0011] Further, the quick detachable connector, the upper seat or the lower seat is provided with a plurality of positioning holes, the lower seat or the upper seat is provided with a positioning front column and a positioning rear column, the positioning front column is arranged close to the insertion slot, the positioning rear column is arranged away from the insertion slot, the positioning holes are arranged in one-to-one correspondence with the positioning front column and the positioning rear column, the upper seat and the lower seat are assembled, and the positioning front column and the positioning rear column are inserted into the corresponding positioning holes.
[0012] Further, the quick detachable connector, the positioning front column is a short column, the positioning rear column is a high column, and the positioning rear column is provided with a tapered head.
[0013] Further, the quick detachable connector, the insertion slot is at least two and is arranged at intervals, the insertion head is at least two and is arranged at intervals, and the insertion slot is an L-shaped insertion slot.
[0014] Further, the quick detachable connecting piece has the plug-in head and the limiting part on the upper seat, the plug-in slot and the lock hook on the lower seat, the front end, the left end and the right end of the lower seat are provided with the rib plate, the plug-in slot is located at the front end of the lower seat, the plug-in head is located at the front end of the upper seat and connected with the front end of the lower seat from the inner side of the lower seat, the upper seat is arranged between the rib plates at the left and right ends of the lower seat, and the top of the upper seat is provided with the fixing lug on both sides.
[0015] Compared with the prior art, the quick detachable connecting piece has the upper seat and the lower seat, the plug-in head is arranged on the upper seat or the lower seat, the plug-in slot for limiting the up-down movement of the plug-in head is arranged on the lower seat or the upper seat, the plug-in head is laterally inserted into the plug-in slot, the limiting part is further arranged on the upper seat or the lower seat, the lock hook for limiting the up-down movement of the limiting part is further arranged on the lower seat or the upper seat, and the lock hook is connected with the limiting part in the up-down direction. The connecting piece has simple structure and is composed of the upper seat and the lower seat. The plug-in head is first connected with the plug-in slot, then the limiting part is connected with the lock hook, the quick connection and fixation of the two are completed, and the quick disassembly of the two can be realized by releasing the fixation of the limiting part and the lock hook. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The structure schematic view of the quick detachable connecting piece is provided.
[0017] Figure 2 The structure schematic view of the upper seat and the lower seat of the quick detachable connecting piece is provided.
[0018] BRIEF DESCRIPTION OF DRAWINGS:
[0019] The upper seat 11
[0020] The lower seat 12
[0021] The plug-in head 13
[0022] The plug-in slot 14
[0023] The limiting part 15
[0024] The lock hook 16
[0025] The rib plate 17
[0026] The fixing lug 18
[0027] The elastic bolt 19
[0028] The lock hole 20
[0029] The tail fixing frame 21
[0030] The middle limiting frame 22
[0031] Lower folding end 23
[0032] Active space 24
[0033] Chamfer 25
[0034] Hook 26
[0035] Limiting port 27
[0036] Positioning hole 28
[0037] Positioning front column 29
[0038] Positioning rear column 30
[0039] Limiting hole 31 DETAILED DESCRIPTION
[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0041] It should be noted that when a component is referred to as "mounted on", "fixed on" or "disposed on" another component, it can be directly on another component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to another component or there can be a middle component.
[0042] It should also be noted that the left, right, up, down and other orientation terms in the embodiments of the utility model are only relative concepts or are referenced to the normal use state of the product, and should not be considered as limiting.
[0043] For example, Figure 1 and Figure 2The utility model provides a kind of quick detachable connecting piece, including upper seat 11 and lower seat 12, the upper seat 11 or lower seat 12 is provided with plug 13, the lower seat 12 or upper seat 11 is provided with the plug slot 14 for limiting the up-down movement of plug 13, plug 13 is laterally inserted with plug slot 14, plug slot 14 limits the upward movement of plug 13, upper seat 11 or lower seat 12 is also provided with limiting portion 15, lower seat 12 or upper seat 11 is also provided with the locking hook 16 for limiting the up-down movement of limiting portion 15, the locking hook 16 is connected with limiting portion 15 up-down cooperation.In the utility model, up-down connection is relative, upper seat 11 and lower seat 12 are placed in different orientation and connected in front, left and right direction, which is within the protection scope of the utility model.In the embodiment, the utility model provides a kind of quick detachable connecting piece, plug 13 and limiting portion 15 are located on the upper seat 11, plug slot 14 and locking hook 16 are located on the lower seat 12, the front end, left end and right end of lower seat 12 have rib plate 17, plug slot 14 is located at the front end of lower seat 12, plug 13 is located at the front end of upper seat 11, and is connected from the inside of lower seat 12 to the front end of lower seat 12, upper seat 11 is installed between the rib plate 17 of the left and right ends of lower seat 12, the top of upper seat 11 is provided with fixed lug 18 on both sides, and fixed lug 18 is used to be fixed with external structure, connecting hole for connecting another external structure can also be provided on lower seat 12.
[0044] Further, the utility model provides a kind of quick detachable connecting piece, limiting portion 15 includes elastic bolt 19, after limiting portion 15 is connected with locking hook 16, elastic bolt 19 is clamped into locking hook 16.Elastic bolt 19, as elastic member, can be clamped into locking hook 16 to realize the up-down fixation of both, and can also be conveniently actuated to make it separate from locking hook 16, which is conducive to quick disassembly.Further, the utility model provides a kind of quick detachable connecting piece, the upper seat 11 or lower seat 12 where elastic bolt 19 is installed is provided with lock hole 20, and locking hook 16 is connected with elastic bolt 19 by passing through lock hole 20.This is conducive to making the connection of upper seat 11 and lower seat 12 more closely.
[0045] Further, the utility model provides a quick detachable connecting piece, the limiting portion 15 still includes tail fixed frame 21 and middle limiting frame 22, the upper seat 11 of installing the elastic bolt 19 is provided with limiting hole 31, the tail end of elastic bolt 19 is provided with lower end 23, lower end 23 is loaded into limiting hole 31 as swing axle, and can prevent elastic bolt 19 from moving back, tail fixed frame 21 is connected on the upper seat 11 of installing the elastic bolt 19, the tail of elastic bolt 19 is fixed between tail fixed frame 21 and the upper seat 11 of installing the elastic bolt 19, middle limiting frame 22 is connected on the upper seat 11 of installing the elastic bolt 19, the middle part of elastic bolt 19 is clamped in the activity space 24 between middle limiting frame 22 and the upper seat 11 of installing the elastic bolt 19, and elastic bolt 19 can swing in the activity space 24. In the embodiment, the activity space 24 limits elastic bolt 19 in the hook mouth 26 of the lock hook 16 directly above to the side where elastic bolt 19 can completely separate from the hook mouth 26.
[0046] Further, the utility model provides a quick detachable connecting piece, the locking hook 16 has chamfer 25 and hook mouth 26 on one side, the hook mouth 26, chamfer 25 and the elastic bolt 19 are set up directly opposite, the upper seat 11 is assembled and is connected with lower seat 12, the locking hook 16 is connected with the limiting portion 15, the locking hook 16 passes through the lock hole 20 and is in contact with the elastic bolt 19, then chamfer 25 pushes the elastic bolt 19 to the outside of hook mouth 26, when the elastic bolt 19 in activity space 24 swings to one side, finally elastic bolt 19 is clamped into hook mouth 26.
[0047] Further, the utility model provides a quick detachable connecting piece, the upper seat 11 or lower seat 12 of installing the elastic bolt 19 is also provided with limiting mouth for limiting the swing range of elastic bolt 19, the head of elastic bolt 19 is out of the limiting mouth, and the limiting mouth is located at the head of elastic bolt 19 and middle limiting frame 22. In this way, the activity range of elastic bolt 19 can be stably limited. The elastic bolt 19 of the embodiment can adopt iron wire, and the head can be bent into a ring shape, so as to facilitate the user to unlock.
[0048] Further, the quick-mounting and quick-dismounting connecting piece provided by the utility model is characterized in that a plurality of positioning holes 28 are arranged on the upper seat 11 or the lower seat 12, a positioning front 29 and a positioning rear column 30 are arranged on the lower seat 12 or the upper seat 11, the positioning front 29 is arranged close to the plug-in groove 14, the positioning rear column 30 is arranged away from the plug-in groove 14, the positioning holes 28 are arranged in one-to-one correspondence with the positioning front 29 and the positioning rear column 30, the upper seat 11 is assembled with the lower seat 12, and the positioning front 29 and the positioning rear column 30 are inserted into the corresponding positioning holes 28.
[0049] Specifically, the quick-mounting and quick-dismounting connecting piece provided by the utility model is characterized in that the positioning front 29 is a short column, the positioning rear column 30 is a high column, and the positioning rear column 30 has a tapered head. Further, the quick-mounting and quick-dismounting connecting piece provided by the utility model is characterized in that the plug-in groove 14 is at least two and is arranged at intervals, the plug-in head 13 is at least two and is arranged at intervals, and the plug-in groove 14 is an L-shaped plug-in groove 14, so as to provide a space for the upper seat 11 to turn over. The limiting part 15 and the locking hook 16 of the embodiment can be arranged on the upper seat 11 and the lower seat 12 respectively, and the plug-in head 13 and the plug-in groove 14 of the embodiment can also be arranged on the upper seat 11 and the lower seat 12 respectively, preferably, as shown in the embodiment, the plug-in head 13 and the limiting part 15 are arranged on the upper seat 11, and the plug-in groove 14 and the locking hook 16 are arranged on the lower seat 12.
[0050] In summary, the utility model discloses simple structure, convenient to assemble and disassemble, and lower cost, when assembling and connecting, the front end of the upper seat is first obliquely downward and butts with the gusset of the front end of the lower seat, the plug-in connector is inserted into the plug-in slot, then the upper seat is turned down around the front end, the positioning front column and the positioning rear column are inserted into the corresponding positioning holes in turn, and the locking hook standing on the side of the upper seat is inserted into the locking hole until the upper seat is completely covered on the lower seat, the positioning bolt is clamped into the hook opening of the locking hook, and the fixed connection of the two is completed. The connecting mode is simple and accurate in alignment, has the sound prompt of clamping after fixing, and only needs to unlock by pushing the elastic bolt when disassembling, and the separation of the upper seat and the lower seat can be completed after turning up by a certain angle.
[0051] It can be understood that, for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.
Claims
1. A quick attachable and detachable connector characterized by comprising: The upper seat (11) or lower seat (12) is provided with a plug (13), the lower seat (12) or upper seat (11) is provided with a plug slot (14) for limiting the up and down movement of the plug (13), the plug (13) and the plug slot (14) are laterally inserted and matched, the upper seat (11) or lower seat (12) is further provided with a limiting part (15), the lower seat (12) or upper seat (11) is further provided with a lock hook (16) for limiting the up and down movement of the limiting part (15), the lock hook (16) and the limiting part (15) are connected and matched.
2. The quick release connector of claim 1, wherein, The limiting part (15) includes an elastic bolt (19), after the limiting part (15) is connected with the lock hook (16), the elastic bolt (19) is clamped into the lock hook (16).
3. The quick release connector of claim 2, wherein, The upper seat (11) or lower seat (12) provided with the elastic bolt (19) is provided with a lock hole (20), the lock hook (16) passes through the lock hole (20) and is connected with the elastic bolt (19).
4. The quick release connector of claim 3, wherein, The limiting part (15) further includes a tail fixing frame (21) and a middle limiting frame (22), the upper seat (11) or lower seat (12) provided with the elastic bolt (19) is provided with a limiting hole (31), the tail end of the elastic bolt (19) is provided with a lower end (23), the lower end (23) is installed into the limiting hole (31) as a swing shaft, the tail fixing frame (21) is connected to the upper seat (11) or lower seat (12) provided with the elastic bolt (19), the tail of the elastic bolt (19) is fixed between the tail fixing frame (21) and the upper seat (11) or lower seat (12) provided with the elastic bolt (19), the middle limiting frame (22) is connected to the upper seat (11) or lower seat (12) provided with the elastic bolt (19), the middle part of the elastic bolt (19) is clamped in the activity space (24) between the middle limiting frame (22) and the upper seat (11) or lower seat (12) provided with the elastic bolt (19), the elastic bolt (19) can swing laterally in the activity space (24).
5. The quick release connector of claim 4, wherein, One side of the lock hook (16) has a chamfer (25) and a hook opening (26), the hook opening (26) and chamfer (25) are arranged vertically opposite to the elastic bolt (19), the upper seat (11) and lower seat (12) are assembled and connected, the lock hook (16) is connected vertically to the limiting part (15), the lock hook (16) passes through the lock hole (20) and is in contact with the elastic bolt (19), then the chamfer (25) pushes the elastic bolt (19) to the outside of the hook opening (26), at this time the elastic bolt (19) in the activity space (24) swings to one side, finally the elastic bolt (19) is clamped into the hook opening (26).
6. The quick release connector of claim 5, wherein, The upper seat (11) or lower seat (12) provided with the elastic bolt (19) is further provided with a limiting hole for limiting the swing range of the elastic bolt (19), the head of the elastic bolt (19) extends out of the limiting hole, and the limiting hole is located between the head of the elastic bolt (19) and the middle limiting frame (22).
7. The quick release connector of claim 1, wherein, The upper seat (11) or lower seat (12) is provided with a plurality of positioning holes (28), the lower seat (12) or upper seat (11) is provided with a positioning front (29) and a positioning rear column (30), the positioning front (29) is arranged close to the plug-in slot (14), the positioning rear column (30) is arranged away from the plug-in slot (14), the positioning holes (28) are arranged one by one corresponding to the positioning front (29) and the positioning rear column (30), the upper seat (11) is assembled with the lower seat (12), and the positioning front (29) and the positioning rear column (30) are inserted into the corresponding positioning holes (28).
8. The quick release connector of claim 7, wherein, The positioning front (29) is a short column, the positioning rear column (30) is a high column, and the positioning rear column (30) has a tapered head.
9. The quick release connector of claim 1, wherein, The plug-in slot (14) is at least two and is arranged at intervals, the plug-in head (13) is at least two and is arranged at intervals, and the plug-in slot (14) is an L-shaped plug-in slot (14).
10. The quick release connector of any one of claims 1-9, wherein, The plug-in head (13) and the limiting part (15) are located on the upper seat (11), the plug-in slot (14) and the lock hook (16) are located on the lower seat (12), the front end, the left end and the right end of the lower seat (12) are provided with a rib plate (17), the plug-in slot (14) is located at the front end of the lower seat (12), the plug-in head (13) is located at the front end of the upper seat (11) and is connected to the front end of the lower seat (12) from the inner side of the lower seat (12), the upper seat (11) is arranged between the rib plates (17) at the left and right ends of the lower seat (12), and the top of the upper seat (11) extends two fixing ears (18) on both sides.