Fast-assembly fastener
By designing a fixed connection housing and plug-in connection base for quick-installation fasteners, and utilizing a combination structure of opening and closing plates and locking springs, the problem of inconvenient assembly and disassembly of existing fasteners is solved, achieving the effect of rapid assembly and disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI ZUNYU METAL PRODUCTS CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-04-24
AI Technical Summary
Existing fasteners are cumbersome to assemble and disassemble in temporary structures, and are especially unsuitable for devices that require frequent disassembly and assembly.
A quick-installation fastener was designed, comprising a fixed connection housing and a plug-in connection base. It utilizes a combination structure of an opening and closing plate, a limiting slot, a locking spring, and a plug-in limiting end to achieve rapid assembly and disassembly.
It enables quick fixing and easy separation of connectors, making it suitable for components that require frequent assembly and disassembly, thus improving the convenience of installation and disassembly.
Smart Images

Figure CN224161931U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of fastener technology, specifically, it relates to a quick-install fastener. Background Technology
[0002] Fasteners are mechanical parts used to securely connect two or more parts into a single unit. They are widely used in various machinery, equipment, vehicles, ships, railways, bridges, buildings, tools, instruments, chemicals, meters, and supplies. Fasteners are characterized by a wide variety of types and specifications, diverse performance and applications, and a high degree of standardization, serialization, and generalization. Common types include bolts, studs, and plate fasteners. When connecting sheet metal or frame structures, bolted or welded connections are often used. However, for temporary structures or devices that require disassembly and relocation after a period of use, the assembly and disassembly process can be cumbersome.
[0003] In view of this, this utility model is proposed. Summary of the Invention
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a quick-installation fastener. The basic concept of the technical solution adopted by this utility model to solve the above-mentioned technical problem is as follows:
[0005] A quick-install fastener includes a fixed connection housing and a plug-in connector. The fixed connection housing contains two opening / closing plates, a first and a second. Both plates are rotatably connected to the base plate of the fixed connection housing via a rotating shaft. Each plate has a limiting slot. The plug-in connector has a plug-in limiting end near the fixed connection housing. Each plate has a connecting guide post at its end away from the rotating shaft. A locking spring is installed between the two connecting guide posts. The fixed connection housing has a plug-in window on its side wall near the plug-in connector. The fixed connection housing also has an opening / closing adjustment window to facilitate rotational adjustment of the opening / closing plates.
[0006] As a further embodiment of this utility model: an installation groove is provided on the outer side of the opening and closing adjustment window, a fixing hole is provided at the installation groove, and a protective cover is provided for the installation groove and the opening and closing adjustment window to provide protection when not being adjusted.
[0007] As a further improvement of this utility model: a mounting slot is provided at the middle position of the connecting guide post, and a mounting sleeve is provided at the corresponding position of the mounting slot. The mounting sleeve is fixedly connected to the end of the locking spring. The mounting slot is provided to improve the stability of the locking spring installation.
[0008] As a further improvement of this utility model: the upper end of the connecting guide post is provided with an adjustment end, the diameter of the adjustment end is larger than the diameter of the main body of the connecting guide post, and the adjustment end is provided with an opening and closing adjustment slot, which is located on the side connected to the locking spring, so as to facilitate tool matching and positioning.
[0009] As a further embodiment of this utility model: the shape and specifications of the limiting slot combination on the first and second opening and closing card plates are adapted to the shape and specifications of the insertion limiting card end. The end of the insertion limiting card end near the insertion connecting seat is provided with a limiting straight surface. A transition arc surface is provided above the limiting straight surface. After the limiting straight surface is released, the provision of the transition arc surface facilitates the extraction of the insertion limiting card end.
[0010] As a further improvement of this utility model: fixed mounting bases are provided at the four corners of the fixed connection housing, and fixed mounting holes are machined on the fixed mounting bases. The plug-in connection base is also provided with fixed mounting holes, and fixed screws are provided in the fixed mounting holes for fixing and installing fasteners.
[0011] As a further improvement of this utility model: a limiting block is provided on the inner side of the fixed connection housing at a position corresponding to the insertion limiting card end. The limiting block is used to limit the insertion limiting card end to avoid misalignment in the thickness direction during the fitting process.
[0012] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art.
[0013] This utility model is provided with a fixed connection housing and a plug-in connection seat. The fixed connection housing and the plug-in connection seat are respectively fixedly installed on the two connecting parts that need to be fixed. During assembly, the plug-in limiting card end provided on the plug-in connection seat is directly inserted into the limiting card groove in the fixed connection housing. Under the action of the locking spring, the opening and closing card plate is reset, so as to realize the quick assembly and fixed connection of the two connecting parts.
[0014] The fixed connection housing of this utility model is provided with an opening and closing adjustment window. When it is necessary to separate the fixed connection position, the opening and closing adjustment window can be used to rotate and adjust the opening and closing plate one and the opening and closing plate two. After releasing the limit on the insertion limit end, it can be easily separated, realizing quick disassembly and assembly between the connecting parts. It is especially suitable for components that need to be frequently disassembled and assembled.
[0015] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is the front view of the present invention;
[0019] Figure 3 This is a schematic diagram of the internal structure of the present invention in its locked state;
[0020] Figure 4 This is a schematic diagram of the interior of the present invention in its open state;
[0021] Figure 5 This is a schematic diagram of the installation of the locking spring of this utility model.
[0022] In the diagram: 1. Fixed connecting housing; 2. Fixed mounting base; 3. Opening and closing adjustment window; 4. Mounting groove; 5. Insertion connecting base; 6. Fixed mounting hole; 7. Fixing screw; 8. Limiting block; 9. Adjusting end; 10. Opening and closing latch one; 11. Opening and closing latch two; 12. Rotating shaft; 13. Limiting slot; 14. Insertion limiting end; 15. Connecting guide post; 16. Locking spring; 17. Insertion window; 18. Limiting straight surface; 19. Transition arc surface; 20. Mounting slot; 21. Mounting sleeve; 22. Opening and closing adjustment slot.
[0023] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0025] like Figures 1 to 5As shown, a quick-install fastener includes a fixed connecting housing 1 and a plug-in connecting seat 5. The fixed connecting housing 1 is provided with an opening and closing plate 10 and an opening and closing plate 2 11. Both the opening and closing plate 10 and the opening and closing plate 2 11 are rotatably connected to the bottom plate of the fixed connecting housing 1 via a rotating shaft 12. Both the opening and closing plate 10 and the opening and closing plate 2 11 are provided with a limit slot 13. The plug-in connecting seat 5 is provided with a plug-in limit end 14 at one end near the fixed connecting housing 1. The opening and closing plate 10 and the opening and closing plate 2 11 are provided with a connecting guide post 15 at one end away from the rotating shaft 12. A locking spring 16 is installed between the two connecting guide posts 15. The fixed connecting housing 1 is provided with a plug-in window 17 on the side wall near the plug-in connecting seat 5. The fixed connecting housing 1 is provided with an opening and closing adjustment window 3 to facilitate the rotational adjustment of the opening and closing plate 10 and the opening and closing plate 2 11.
[0026] The outer side of the opening and closing adjustment window 3 is provided with a mounting groove 4, and a fixing hole is provided at the mounting groove 4. The mounting groove 4 and the opening and closing adjustment window 3 are equipped with protective covers to provide protection when not being adjusted.
[0027] A mounting slot 20 is provided at the middle position of the connecting guide post 15, and a mounting sleeve 21 is provided at the corresponding position of the mounting slot 20. The mounting sleeve 21 is fixedly connected to the end of the locking spring 16. The mounting slot 20 is designed to improve the stability of the locking spring 16 during installation.
[0028] An adjustment end 9 is provided at the upper end of the connecting guide post 15. The diameter of the adjustment end 9 is larger than the diameter of the main body of the connecting guide post 15. An opening and closing adjustment slot 22 is provided on the adjustment end 9. The opening and closing adjustment slot 22 is located on the side of the connecting locking spring 16 to facilitate tool matching and limiting.
[0029] The shape and specifications of the combination of the limiting slots 13 on the opening and closing card plate 10 and the opening and closing card plate 2 are adapted to the shape and specifications of the insertion limiting card end 14. The end of the insertion limiting card end 14 near the insertion connecting seat 5 is provided with a limiting straight surface 18. A transition arc surface 19 is provided above the limiting straight surface 18. After the limiting straight surface 18 is released, the setting of the transition arc surface 19 makes it easy to pull out the insertion limiting card end 14.
[0030] Fixed mounting bases 2 are provided at the four corners of the fixed connection housing 1. Fixed mounting bases 2 are machined with fixed mounting holes 6. Fixed mounting holes 6 are also provided on the plug-in connection base 5. Fixed mounting screws 7 are provided in the fixed mounting holes 6 for fixing and installing the fasteners.
[0031] A limiting block 8 is provided on the inner side of the fixed connection housing 1 at a position corresponding to the head insertion limiting card end 14. The limiting block 8 is used to limit the insertion limiting card end 14 to avoid misalignment in the thickness direction during the mating process.
[0032] The working principle of this utility model is as follows: Example 1: The fixed connecting housing 1 is installed on one of the connecting parts, and the plug-in connecting seat 5 is installed on the other connecting part. When assembly is required, the plug-in limiting end 14 of the plug-in connecting seat 5 is inserted into the limiting slot 13 through the plug-in window 17. In its natural state, the opening and closing plate one 10 and the opening and closing plate two 11 are in the attached position. Figure 3 As shown, the front end of the insertion limiting card end 14 is smaller than the rear end, and the front end of the insertion limiting card end 14 is provided with a transition arc. The opening and closing positions of the first opening and closing card plate 10 and the second opening and closing card plate 11 are provided with transition arcs. Therefore, during the insertion process, the insertion limiting card end 14 can easily push open the first opening and closing card plate 10 and the second opening and closing card plate 11 to achieve quick insertion and fixation. After the insertion limiting card end 14 cooperates with the limiting card groove 13, the first opening and closing card plate 10 and the second opening and closing card plate 11 are reset under the action of the locking spring 16. The cooperation position between the insertion limiting card end 14 and the limiting card groove 13 is provided with a limiting straight surface 18, which can limit the insertion limiting card end 14 from being pulled out. A limiting block 8 is provided in the fixed connection housing 1 to limit the outer side of the insertion limiting card end 14 and improve the stability of the connection.
[0033] Example 2: Based on the above example, the fixed connection housing 1 is provided with an opening and closing adjustment window 3, and a protective cover is provided at the opening and closing adjustment window 3. The protective cover can be made of soft rubber or hard board material. If the fixed structure needs to be disassembled after a short period of use, a protective cover made of soft rubber material can be selected, which can achieve protection without the need for screw fixing; if the fixed structure is used for a relatively long period of time, a protective cover made of hard board material can be selected, which can be fixed and installed with screws to improve safety.
[0034] When disassembly is required, remove the protective cover and adjust the distance between the two connecting guide posts 15 using pointed pliers. Release the limit of the limiting face 18, and then remove the insertion limit card end 14 from the limit card slot 13 to achieve quick disassembly. This fastener can be reused and has a wide range of applications.
[0035] This utility model has a reasonable structural design and is easy to install and use. It is equipped with a fixed connection housing 1 and a plug-in connection seat 5. The fixed connection housing 1 and the plug-in connection seat 5 are respectively fixedly installed on the two connecting parts that need to be fixed. During assembly, the plug-in limiting card end 14 on the plug-in connection seat 5 is directly plugged into the limiting card groove 13 in the fixed connection housing 1. Under the action of the locking spring 16, the opening and closing card plate is reset, which can realize the quick assembly and fixed connection of the two connecting parts. The fixed connection housing 1 is equipped with an opening and closing adjustment window 3. When it is necessary to separate the fixed connection position, the opening and closing card plate one 10 and opening and closing card plate two 11 can be rotated and adjusted through the opening and closing adjustment window 3. After releasing the limitation of the plug-in limiting card end 14, it can be easily separated, realizing the quick disassembly and assembly between connecting parts, which is especially suitable for components that need to be frequently disassembled and assembled.
[0036] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A quick-mount fastener comprising a fixed connection housing (1) and a plug-in connection seat (5), characterized in that, The fixed connection housing (1) is provided with an opening and closing plate one (10) and an opening and closing plate two (11). The opening and closing plate one (10) and the opening and closing plate two (11) are rotatably connected to the bottom plate of the fixed connection housing (1) through a rotating shaft (12). The opening and closing plate one (10) and the opening and closing plate two (11) are provided with a limit slot (13). The plug-in connection seat (5) is provided with a plug-in limit end (14) at one end near the fixed connection housing (1). The opening and closing plate one (10) and the opening and closing plate two (11) are provided with a connecting guide post (15) at one end away from the rotating shaft (12). A locking spring (16) is installed between the two connecting guide posts (15). The fixed connection housing (1) is provided with a plug-in window (17) on the side wall near the plug-in connection seat (5). The fixed connection housing (1) is provided with an opening and closing adjustment window (3).
2. A fastener according to claim 1, wherein An installation groove (4) is provided on the outside of the opening and closing adjustment window (3). A fixing hole is provided at the installation groove (4). A protective cover is provided at the installation groove (4) and the opening and closing adjustment window (3).
3. A fastener according to claim 2, wherein A mounting slot (20) is provided in the middle of the connecting guide post (15), and a mounting sleeve (21) is provided at the corresponding position of the mounting slot (20). The mounting sleeve (21) is fixedly connected to the end of the locking spring (16).
4. A fastener according to claim 3, wherein The upper end of the connecting guide post (15) is provided with an adjustment end (9). The diameter of the adjustment end (9) is larger than the diameter of the main body of the connecting guide post (15). An opening and closing adjustment slot (22) is provided on the adjustment end (9). The opening and closing adjustment slot (22) is located on the side connected to the locking spring (16).
5. A fastener according to claim 4, wherein The shape and specifications of the combination of the limiting slots (13) on the opening and closing card plate one (10) and the opening and closing card plate two (11) are adapted to the shape and specifications of the insertion limiting card end (14). The insertion limiting card end (14) is provided with a limiting straight surface (18) at one end near the insertion connecting seat (5), and a transition arc surface (19) is provided above the limiting straight surface (18).
6. A fastener according to claim 5 wherein, Fixed mounting bases (2) are provided at the four corners of the fixed connection housing (1). Fixed mounting holes (6) are machined on the fixed mounting bases (2). Fixed mounting holes (6) are also provided on the plug-in connection base (5). Fixed screws (7) are provided in the fixed mounting holes (6).
7. A fastener according to claim 6 wherein, A limiting block (8) is provided on the inner side of the fixed connection housing (1) at a position corresponding to the insertion limiting card end (14).