Anti-loosening reed nut
Patent Information
- Application Number
- CN202422320028.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-09-23
AI Technical Summary
After the external bolt is tightened by the external bolt, the existing anti-loosening reed nuts are easily loosened due to the disengagement force caused by elastic deformation and the spring force of the bolt, which affects the use effect.
By providing a fastening assembly around the connecting cylinder, including a mounting cylinder, a spring, a limiting plate and a fastening plate, when the external bolt rotates, the fastening plate is squeezed into the storage vertical groove under the action of the spring. After the tightening is completed, the fastening plate is reset and contacted with the external bolts, and friction is used to prevent disengagement.
It effectively reduces the phenomenon of reed nuts being disengaged from bolts, and improves the tightening force and reliability of reed nuts.
Smart Images

Figure CN222910515U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reed nuts, and particularly relates to an anti-loosening reed nut. Background Technique
[0002] A reed nut is a special nut design that combines the functions of a reed and a nut. It is generally used for connecting thin plate parts on an automobile, mainly to achieve the tight connection of two components by cooperating with a fastening bolt.
[0003] In the prior art, the publication number CN221374211U is proposed. The technical solution disclosed in this patent document is as follows: An anti-loosening reed nut, including a U-shaped plate, a nut, and an elastic plate. The nut is installed on the upper surface of the U-shaped plate. A downward pressing assembly is installed between the nut and the U-shaped plate. The downward pressing assembly includes a flat plate, a connecting rod, a fixing rod, a spring, and a ring body. The elastic plate is fixedly connected to the inner wall of the bottom of the U-shaped plate. Through the setting of the downward pressing assembly in the utility model, when an external plate part is clamped inside the U-shaped plate, the plate part presses the elastic plate downward. Under the mutual acting force, the elastic plate provides an upward clamping force to the plate part, thereby clamping the inserted plate part.
[0004] In the above technical solution, the ring body is pushed downward by an external bolt. The ring body is connected to the spring and causes it to be compressed and deformed. Moreover, there is a force of detachment caused by the elastic deformation of the reed nut itself. Coupled with the upward force of the spring on the ring body and the external bolt, the reed nut is further loosened, affecting the use effect. Content of the Utility Model
[0005] The purpose of the utility model is to provide an anti-loosening reed nut to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: An anti-loosening reed nut, including a reed nut main body, and a reed nut connection structure is fixedly installed at the upper end of the reed nut main body.
[0007] The reed nut connection structure includes a connecting cylinder, the connecting cylinder is fixedly connected in a through hole above the reed nut main body, an internal thread is provided inside the connecting cylinder, receiving vertical grooves are provided on the periphery of the connecting cylinder, installation grooves are provided at both the upper and lower ends of the receiving vertical grooves, and a fastening component is installed in the receiving vertical grooves.
[0008] As a further preferred of this technical solution, the reed nut main body includes a flat plate part, and an anti-slip pad is provided on the bottom side of the flat plate part.
[0009] As a further preferred of this technical solution, a bent part is provided on one side of the flat plate part, and an elastic part is provided at the upper end of the bent part.
[0010] As a further preference of the present technical solution, a fixing block is fixedly connected to the outer wall of the connecting cylinder near the upper part, and a rubber pad is arranged on the upper side of the fixing block.
[0011] In the above technical solution, after the external bolt is tightened, the nut contacts the rubber pad, further improving the installation effect of the external bolt.
[0012] As a further preference of the present technical solution, a clamping plate is rotatably connected to the grooves at the front and rear ends of the fixing block, and a backing plate is arranged on the bottom side above the clamping plate.
[0013] In the above technical solution, the provided clamping plate and backing plate can further limit the tightened external bolt by rotation, and can further prevent the spring nut from detaching from the bolt.
[0014] As a further preference of the present technical solution, the fastening assembly includes an installation cylinder, the installation cylinders are fixedly connected in the installation grooves, springs are embedded in the installation cylinders, a limiting plate is fixedly connected near the outlet of the installation cylinders, the other ends of the springs are embedded with connecting rods, and the connecting rods pass through the limiting plates, and the other ends of the upper and lower connecting rods are fixedly connected with fastening plates.
[0015] In the above technical solution, when the external bolt rotates, the fastening plate is squeezed into the storage vertical groove under the action of the spring, and when the external bolt is tightened, the fastening plate resets and the protruding part of the fastening plate contacts the concave part of the external bolt.
[0016] As a further preference of the present technical solution, thread grooves are formed on the outer surfaces of the fastening plates, and the protruding parts contact the concave threaded parts of the external bolts.
[0017] In the above technical solution, due to friction, the external bolt is fastened inside, reducing the phenomenon of the spring nut detaching from the bolt, and improving the fastening force and reliability of the spring nut.
[0018] The present utility model provides a lock - preventing spring nut, which has the following beneficial effects:
[0019] (1) By arranging a fastening assembly around the connecting cylinder in the present utility model, when the external bolt is thread - connected in the connecting cylinder, when the external bolt rotates, the fastening plate is squeezed into the storage vertical groove under the action of the spring, and when the external bolt is tightened, the fastening plate resets and the protruding part of the fastening plate contacts the concave part of the external bolt. Due to friction, the external bolt is fastened inside, reducing the phenomenon of the spring nut detaching from the bolt, and improving the fastening force and reliability of the spring nut.
[0020] (2) By providing the fixing blocks and rubber pads in the present utility model, after the external bolts are tightened, the nuts come into contact with the rubber pads, further improving the installation effect of the external bolts. The provided clamp plates and backing plates can further limit the tightened external bolts by rotation, and can further prevent the spring washers from detaching from the bolts. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a schematic structural view of the overall spring washer of the present utility model;
[0022] Figure 2 is a partial sectional view of the spring washer of the present utility model;
[0023] Figure 3 is a partial sectional view of the connecting cylinder of the present utility model;
[0024] Figure 4 is an enlarged view of FIG. A of the present utility model;
[0025] Figure 5 is a schematic structural view of the fastening plate of the present utility model;
[0026] In the figure: 1. Spring washer main body; 11. Flat plate part; 12. Anti-slip pad; 13. Bent part; 14. Elastic part; 2. Spring washer connection structure; 21. Connecting cylinder; 22. Internal thread; 23. Receiving vertical groove; 24. Installation groove; 25. Fastening assembly; 26. Fixing block; 27. Rubber pad; 28. Clamp plate; 29. Backing plate; 251. Installation cylinder; 252. Spring; 253. Limiting plate; 254. Connecting rod; 255. Fastening plate; 2551. Thread groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0028] The present utility model provides a technical solution: As Figure 1 shown, in this embodiment, a self-locking spring washer, the spring washer main body 1, a spring washer connection structure 2 is fixedly installed at the upper end of the spring washer main body 1. The spring washer main body 1 includes a flat plate part 11, an anti-slip pad 12 is arranged on the bottom side of the flat plate part 11, a bent part 13 is arranged on one side of the flat plate part 11, and an elastic part 14 is arranged at the upper end of the bent part 13.
[0029] As Figure 1 and Figure 2As shown in the figure, the reed nut connection structure 2 includes a connecting cylinder 21. The connecting cylinder 21 is fixedly connected in the through hole above the reed nut body 1. An internal thread 22 is provided inside the connecting cylinder 21. Receiving vertical grooves 23 are provided on all four sides of the connecting cylinder 21. Installation grooves 24 are provided at both the upper and lower ends of the receiving vertical grooves 23. A fastening component 25 is installed in the receiving vertical grooves 23. A fixing block 26 is fixedly connected to the outer wall of the connecting cylinder 21 near the upper side. A rubber pad 27 is provided on the upper side of the fixing block 26. Clamping plates 28 are rotatably connected to the grooves at the front and rear ends of the fixing block 26. Cushion plates 29 are provided on the bottom sides above the clamping plates 28. By providing the fixing block 26 and the rubber pad 27, when the external bolt is tightened, the nut contacts the rubber pad 27, further improving the installation effect of the external bolt. The provided clamping plates 28 and cushion plates 29 can further limit the tightened external bolt by rotation, and can further prevent the separation of the reed nut and the bolt.
[0030] As Figure 3 , Figure 4 and Figure 5 shown in the figure, the fastening component 25 includes an installation cylinder 251. The installation cylinders 251 are fixedly connected in the installation grooves 24. Springs 252 are embedded in the installation cylinders 251. Limiting plates 253 are fixedly connected near the outlets of the installation cylinders 251. The other ends of the springs 252 are embedded with connecting rods 254, and the connecting rods 254 pass through the limiting plates 253. The other ends of the upper and lower two connecting rods 254 are fixedly connected with fastening plates 255. Thread grooves 2551 are provided on the outer surfaces of the fastening plates 255, and the protruding parts are in contact with the threaded concave parts of the external bolt. By providing the fastening component 25 around the connecting cylinder 21, when the external bolt is threadedly connected in the connecting cylinder 21, when the external bolt rotates, the fastening plate 255 is squeezed into the receiving vertical groove 23 under the action of the spring 252. When the external bolt is tightened, the fastening plate 255 is reset and the protruding part of the fastening plate 255 is in contact with the concave part of the external bolt. Due to the friction, the external bolt is fastened inside, reducing the phenomenon of the reed nut separating from the bolt and improving the fastening force and reliability of the reed nut.
[0031] The present utility model provides a lock - proof reed nut, and the specific working principle is as follows: when the external bolt is threadedly connected in the connecting cylinder 21, when the external bolt rotates, the fastening plate 255 is squeezed into the receiving vertical groove 23 under the action of the spring 252. When the external bolt is tightened, the fastening plate 255 is reset and the protruding part of the fastening plate 255 is in contact with the concave part of the external bolt; the provided rubber pad 27 contacts the nut of the external bolt, and then the clamping plate 28 is rotated to further clamp and fix the external bolt.
[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A reed nut for preventing loosening, comprising a reed nut body (1), characterized in that: A reed nut connecting structure (2) is fixedly mounted on the upper end of the reed nut main body (1); The spring nut connection structure (2) comprises a connection cylinder (21), wherein the connection cylinder (21) is fixedly connected to a through hole above the spring nut body (1), an internal thread (22) is provided on the inner side of the connection cylinder (21), a receiving vertical groove (23) is provided on all sides of the connection cylinder (21), and installation grooves (24) are provided at the upper and lower ends of the receiving vertical groove (23), and a fastening component (25) is installed in the receiving vertical groove (23).
2. The anti-loosening reed nut according to claim 1, characterized in that: The leaf nut body (1) comprises a flat plate portion (11), and an anti-slip pad (12) is arranged on the bottom side of the flat plate portion (11).
3. The anti-loosening reed nut according to claim 2, characterized in that: A bending portion (13) is provided on one side of the flat plate portion (11), and an elastic portion (14) is provided on the upper end of the bending portion (13).
4. The anti-loosening reed nut according to claim 1, characterized in that: A fixing block (26) is fixedly connected to the upper outer wall of the connecting cylinder (21), and a rubber pad (27) is arranged on the upper side of the fixing block (26).
5. The anti-loosening reed nut according to claim 4, characterized in that: A clamp plate (28) is rotatably connected in the grooves at the front and rear ends of the fixing block (26), and a pad plate (29) is provided on the bottom side above the clamp plate (28).
6. The anti-loosening reed nut according to claim 1, characterized in that: The fastening assembly (25) comprises a mounting tube (251), the mounting tube (251) being fixedly connected in the mounting groove (24), a spring (252) being embedded in the mounting tube (251), the mounting tube (251) being fixedly connected to a limiting plate (253) near the outlet, the other end of the spring (252) being embedded with a connecting rod (254), and the connecting rod (254) passing through the limiting plate (253), and the other ends of the upper and lower connecting rods (254) being fixedly connected to a fastening plate (255).
7. The anti-loosening reed nut according to claim 6, characterized in that: The outer surfaces of the fastening plates (255) are provided with thread grooves (2551), and the raised portions are in contact with the recessed portions of the threads of the external bolts.
Citation Information
Patent Citations
Anti-loosening reed nut
CN221374211U