Anti-thread-slipping wear-resistant bolt
By incorporating an anti-slip thread mechanism and a fixing mechanism within the bolt head, the problem of ordinary bolts slipping under high-frequency vibration is solved, thereby improving the stability of bolt connections and maintenance efficiency.
Patent Information
- Application Number
- CN202520823213.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-28
AI Technical Summary
In existing technologies, ordinary bolts are prone to slippage and rotation under high-frequency vibration, which affects connection stability and equipment operation.
A wear-resistant bolt with anti-slip threads was designed. By setting an anti-slip thread mechanism on the inner wall of the bolt head, including a fixed connector, a limiting slot, a connecting block, a washer, and anti-slip teeth, the friction is enhanced to prevent slippage, and the fixing mechanism enables convenient replacement.
It significantly improves the stability and reliability of bolted connections, reduces maintenance difficulty, and ensures the safety and maintenance efficiency of the connection structure under complex working conditions.
Smart Images

Figure CN223881528U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of wear -resistant bolt especially relates to a wear -resistant bolt of anti -slip wire. BACKGROUND
[0002] Wear -resistant bolt is a kind of bolt specially designed and manufactured, to significantly improve the wear resistance of bolt in the process of use.
[0003] Prior art, Chinese patent announcement number: CN221443051U discloses a wear -resistant bolt, it is related to bolt technical field, including bolt body, the upper end of bolt body is fixedly connected bolt head, the outside of bolt head is equipped with wear -resistant metal layer, the inside of bolt body is equipped with oil injection mechanism.The utility model adopts above -mentioned structure, when oil injection, utilize syringe and draw in lubricating oil, then the end of syringe is inserted into oil injection groove and is tightly contacted with the syringe of the injection ring with rubber ring in oil injection groove, then can inject, under the sealing effect, pressure lubricating oil can be quickly filled in oil injection groove, and by the first side injection hole and the second side injection hole on oil injection groove quickly join in the installation groove of bolt body, the connection of the thread of bolt body and installation groove is lubricated, to effectively improve the filling efficiency of lubricating oil.
[0004] As commonly used fastener, the stability and reliability of the connection of bolt are crucial, ordinary bolt is applied in high-frequency vibration scene, and the rotary wire slip condition can appear, once wire slip occurs, not only can cause the loosening of connection structure, but also can affect the normal operation of equipment, therefore, a wear -resistant bolt of anti -slip wire is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a wear -resistant bolt of anti -slip wire, to solve the problem that ordinary bolt can appear rotary wire slip in prior art.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a wear -resistant bolt of anti -slip wire, including bolt head, the inner wall of bolt head is provided with anti -slip wire mechanism and fixed mechanism, the anti -slip wire mechanism includes fixed connector, the side wall of fixed connector is fixedly connected on the right side of bolt head, the side wall of fixed connector is provided with limit slot, the inner wall of limit slot is slidably connected with connecting plug, the outer wall of connecting plug is slidably connected with gasket, the side wall of gasket is fixedly connected with anti -slip tooth.
[0007] As further description of the above technical scheme:
[0008] The anti -slip wire mechanism further includes hexagonal head one, and the hexagonal head one is fixedly connected with the right side of connecting plug.
[0009] As further description of the above technical scheme:
[0010] The anti-slip mechanism further comprises a threaded groove, which is arranged on the left side of the connecting block.
[0011] As a further description of the above technical solution:
[0012] The fixing mechanism comprises a connecting rod, and the outer wall of the connecting rod is rotationally connected to the inner wall of the bolt head.
[0013] As a further description of the above technical solution:
[0014] The fixing mechanism further comprises a threaded connector, and the left end of the threaded connector is fixedly connected to the right end of the connecting rod.
[0015] As a further description of the above technical solution:
[0016] The threaded connector is matched with the threaded groove.
[0017] As a further description of the above technical solution:
[0018] The fixing mechanism further comprises a hexagonal head II, and the side wall of the hexagonal head II is fixedly connected to the left end of the connecting rod.
[0019] The utility model has the advantages of the following beneficial effects:
[0020] 1. In the utility model, the anti-slip teeth of the gasket side wall are in contact with the connecting material, effectively increasing the friction force, significantly reducing the situation that the bolt head rotates and slips when the connecting material is vibrated by external force, greatly improving the stability and reliability of the bolt connection, and ensuring the safety of the connecting structure under long-term use or complex working conditions.
[0021] 2. In the utility model, the fixing mechanism is arranged, so that the threaded connector can be taken out from the inner wall of the threaded groove, the limiting of the connecting block is released, and the connecting block and the gasket can be conveniently and quickly taken down and replaced, effectively reducing the maintenance difficulty and improving the maintenance efficiency. DRAWINGS
[0022] Figure 1 A front view structural schematic diagram of the wear-resistant bolt is provided for the utility model;
[0023] Figure 2 A connecting block structure schematic diagram of the wear-resistant bolt is provided for the utility model;
[0024] Figure 3 A limiting slot structure schematic diagram of the wear-resistant bolt is provided for the utility model;
[0025] Figure 4The utility model provides a kind of anti-slip wear-resistant bolt bolt head and fixed connector section structure schematic diagram of connection.
[0026] Legend:
[0027] 1, bolt head;2, anti-slip mechanism;211, fixed connector;212, limit slot;213, connecting plug;214, gasket;215, anti-slip tooth;216, hex head one;217, thread groove;3, fixing mechanism;311, connecting rod;312, threaded connector;313, hex head two. Specific embodiments
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0029] Reference Figures 1-3 The utility model provides an embodiment: a kind of anti-slip wear-resistant bolt, including bolt head 1, bolt head 1 inner wall is provided with anti-slip mechanism 2 and fixing mechanism 3, anti-slip mechanism 2 includes fixed connector 211, fixed connector 211 side wall is fixedly connected in bolt head 1 right side, fixed connector 211 side wall is opened and is limited to slot 212, limit slot 212 is used to be connected with the clamping cooperation of connecting plug 213, to realize driving bolt head 1 rotation, limit slot 212 inner wall is slidably connected with connecting plug 213, connecting plug 213 is slid in limit slot 212, can be rotated to fixed connector 211 and bolt head 1 transmission, gasket 214 is slidably connected on the outer wall of connecting plug 213, gasket 214 can slide on the outer wall of connecting plug 213 to facilitate disassembly and replacement, gasket 214 side wall is fixedly connected with anti-slip tooth 215, anti-slip tooth 215 can increase the friction force with connecting material, reduce the possibility of bolt head 1 back rotation slip.
[0030] Reference Figures 2-4 , anti-slip mechanism 2 also includes hex head one 216, hex head one 216 is used to cooperate with tool, by rotating hex head one 216 driving connecting plug 213 rotation, hex head one 216 is fixedly connected with connecting plug 213 right side, anti-slip mechanism 2 also includes thread groove 217, thread groove 217 is used to cooperate with threaded connector 312, realize the limit fixing of connecting plug 213, thread groove 217 is opened in connecting plug 213 left side, bolt head 1 material is alloy structural steel, alloy structural steel material makes bolt head 1 have higher strength and wear resistance.
[0031] ReferenceFigure 4 The fixing mechanism 3 comprises a connecting rod 311, a threaded connector 312 and a hexagonal head 313, the connecting rod 311 is used for connecting the threaded connector 312 and the hexagonal head 313 to realize rotation transmission, the outer wall of the connecting rod 311 is rotationally connected to the inner wall of the bolt head 1, the fixing mechanism 3 further comprises the threaded connector 312, the threaded connector 312 is fixedly connected with the right end of the connecting rod 311, the threaded connector 312 is screwed with the threaded groove 217 to limit and fix the connecting block 213, the threaded connector 312 is matched with the threaded groove 217, the fixing mechanism 3 further comprises the hexagonal head 313, the hexagonal head 313 is used for cooperating with a tool, rotating the hexagonal head 313 can drive the threaded connector 312 to be taken out of the threaded groove 217, so as to disassemble the connecting block 213 and the gasket 214, the side wall of the hexagonal head 313 is fixedly connected with the left end of the connecting rod 311.
[0032] Working principle: when the bolt head 1 is used as a fastener, the bolt head 1 is connected with the connecting material, the bolt head 1 can be screwed in the corresponding threaded fastening groove inner wall of the connecting material, the hexagonal head 216 is rotated by using a tool, so that the hexagonal head 216 drives the connecting block 213 to rotate, the connecting block 213 is clamped with the limiting slot 212, the fixed connector 211 and the bolt head 1 are driven to rotate, so that the bolt head 1 can be screwed into the corresponding threaded fastening groove inner wall, when the hexagonal head 216 drives the bolt head 1 to gradually enter the threaded fastening groove inner wall, the gasket 214 is in contact with the connecting material through the anti-skid teeth 215, the anti-skid teeth 215 can increase the friction, when the connecting material is vibrated by external force, the anti-skid teeth 215 on the side wall of the gasket 214 can reduce the possibility of the bolt head 1 rotating and slipping, so as to achieve the purpose of anti-skid.
[0033] After the bolt head 1 is frequently replaced and disassembled, the hexagonal head 313 is rotated by using a tool, the hexagonal head 313 drives the fixedly connected connecting rod 311 and threaded connector 312 to rotate, so that the threaded connector 312 is taken out of the threaded groove 217 inner wall of the connecting block 213, so that the connecting block 213 is no longer limited, then the connecting block 213 can be taken out of the limiting slot 212, the gasket 214 which is slidingly connected to the outer wall of the connecting block 213 can be taken down and replaced, so as to achieve the purpose of convenient replacement.
[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A galling resistant bolt comprising a bolt head (1), characterized in that: The inner wall of the bolt head (1) is provided with an anti-slip wire mechanism (2) and a fixing mechanism (3); The anti-slip wire mechanism (2) comprises a fixed connecting head (211), the side wall of the fixed connecting head (211) is fixedly connected to the right side of the bolt head (1), a limiting slot (212) is formed in the side wall of the fixed connecting head (211), a connecting plug (213) is slidably connected to the inner wall of the limiting slot (212), a gasket (214) is slidably connected to the outer wall of the connecting plug (213), and an anti-slip tooth (215) is fixedly connected to the side wall of the gasket (214).
2. A galling resistant bolt according to claim 1, wherein: The anti-slip wire mechanism (2) further comprises a hexagonal head one (216), which is fixedly connected to the right side of the connecting plug (213).
3. A galling resistant bolt according to claim 1, wherein: The anti-slip wire mechanism (2) further comprises a threaded groove (217), which is formed in the left side of the connecting plug (213).
4. A galling resistant bolt according to claim 1, wherein: The fixing mechanism (3) comprises a connecting rod (311), which is rotatably connected to the inner wall of the bolt head (1).
5. A galling resistant bolt according to claim 1 wherein: The fixing mechanism (3) further comprises a threaded connecting head (312), the left end of which is fixedly connected to the right end of the connecting rod (311).
6. A galling resistant bolt according to claim 5 wherein: The threaded connecting head (312) is matched with the threaded groove (217).
7. A galling resistant bolt according to claim 1 wherein: The fixing mechanism (3) further comprises a hexagonal head two (313), the side wall of which is fixedly connected to the left end of the connecting rod (311).
Citation Information
Patent Citations
Wear-resistant bolt
CN221443051U