High-wear-resistance fastener
By designing the coordinated use of the limit rod and the fastening slot, the secondary locking limit of the high-wear-resistant fastener is achieved, which solves the problem of the fastener loosening during long-term use and improves the fastening effect and practicality of the device.
Patent Information
- Application Number
- CN202422674250.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing fasteners are prone to loosening during long-term use and cannot be tightened again, affecting the normal use of the device.
A highly wear-resistant fastener is designed, which realizes secondary locking and limiting by cooperating with the limit rod and the fastening slot, and further reduces position loosening by cooperating with the auxiliary limit piece and the clamping rod.
The fastening effect of the fasteners is improved, the position loosening of the structural workpiece is reduced, and the practicality and use effect of the device are enhanced.
Smart Images

Figure CN223374845U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fastener equipment, in particular to a high-wear-resistant fastener. Background Art
[0002] Fasteners are the most widely used mechanical components, found in numerous industries, including construction, machinery, automotive, aerospace, electronics, and chemicals. During use, these devices and structures are frequently subjected to various forces, including friction, vibration, and impact, placing high demands on wear resistance. For example, fasteners inside automotive engines must maintain stable fastening performance under harsh conditions, such as high temperatures, high pressures, and high speeds, thus requiring high wear resistance.
[0003] During daily use of existing fasteners, workers usually directly turn and tighten the device workpiece. However, during long-term use, the structural workpiece is prone to loosening, which in turn affects the normal use of the device. During use, the fasteners cannot be tightened and limited for a second time.
[0004] Therefore, it is necessary to provide high wear-resistant fasteners to solve the above technical problems. Utility Model Content
[0005] The utility model provides a highly wear-resistant fastener, which solves the problem that in the existing device, the structural workpiece is prone to position loosening during long-term use.
[0006] In order to solve the above technical problems, the high wear-resistant fastener provided by the utility model includes: a fastening screw, a tightening nut is fixedly connected to the inner wall of the top of the fastening screw, a tightening groove is fixedly connected to the middle inner wall of the tightening nut, a limiting rod is fixedly connected to the inner wall at the bottom of both ends of the tightening nut, a limiting ring is fixedly connected to the inner wall at the bottom of the limiting rod, a fastening nut is provided on the inner wall in the middle of the fastening screw, and the inner walls at both ends of the fastening nut are fixedly connected to the fixing grooves, the inner walls of the side ends of the fixing grooves are fixedly connected to the limiting grooves, and the limiting rings are fixedly connected to the inner walls at the bottom of the limiting rods. The inner walls at both ends of the positioning groove are fixedly connected with fastening slots, and the inner walls at both ends of the tightening nut are installed with mounting parts, and a connecting plate is installed and connected between the inner walls of the side ends of the mounting part, and a rotating rod is installed and connected between the inner walls of the side ends of the mounting groove, and an auxiliary limiting piece is rotatably connected to the inner wall of the side end of the rotating rod, and the inner wall of the side end of the auxiliary limiting piece is fixedly connected with the clamping groove, and corresponding clamping rods are provided on the inner walls of both ends of the fastening nut, and the inner walls of the side ends of the clamping rod are fixedly connected with a fixing ring.
[0007] Preferably, anti-slip teeth are fixedly connected to the inner walls of the side ends of the tightening nut and the fastening nut.
[0008] Preferably, fixing holes are fixedly connected to the inner walls of both ends of the fastening screw, pressure springs are installed and connected to the inner walls of the side ends of the fixing holes, and auxiliary limiting rods are installed and connected to the inner walls of the side ends of the pressure springs.
[0009] Preferably, auxiliary tightening grooves are fixedly connected to the inner walls of both ends of the tightening nut.
[0010] Preferably, a wear-resistant pad is installed and connected to the inner wall of the top of the tightening groove.
[0011] Preferably, fastening plates are installed and connected to the inner walls at both ends of the mounting member, and fastening bolts are installed and connected to the inner walls at the side ends of the fastening plates.
[0012] Compared with the related art, the high wear-resistant fastener provided by the utility model has the following beneficial effects:
[0013] The utility model provides a high wear-resistant fastener. During daily use of the device fastener, in order to improve the fastening effect of the device, the limiting rod provided in the device is used in conjunction with the fastening slot. After the device workpiece is tightly connected, a secondary locking and limiting process can be performed to reduce the position loosening phenomenon of the device during long-term use, thereby improving the use effect of the device. At the same time, during use of the device fastener, the auxiliary limiting piece and the clamping rod provided on the side end of the device can further reduce the position loosening of the structural workpiece, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the high wear-resistant fastener provided by the utility model;
[0015] Figure 2 for Figure 1 The structural diagram of tightening the nut is shown;
[0016] Figure 3 for Figure 1 A schematic front view of the structure of the high wear-resistant fastener shown;
[0017] Figure 4 for Figure 1 The structural diagram of the auxiliary limiting rod shown;
[0018] Figure 5 for Figure 4 The enlarged structural diagram of part A is shown;
[0019] Figure 6 for Figure 1 The structural diagram of the limiting rod is shown.
[0020] Numbers in the figure: 1. Fastening screw, 2. Tightening nut, 3. Tightening groove, 4. Auxiliary tightening groove, 5. Anti-slip teeth, 6. Fixing hole, 7. Pressure spring, 8. Auxiliary limiting rod, 9. Fastening nut, 10. Fixing slot, 11. Limiting groove, 12. Fastening slot, 13. Limiting rod, 14. Limiting ring, 15. Mounting part, 16. Fastening plate, 17. Fastening bolt, 18. Connecting plate, 19. Mounting slot, 20. Rotating rod, 21. Auxiliary limiting part, 22. Clamping groove, 23. Clamping rod, 24. Fixing ring, 25. Wear-resistant pad. DETAILED DESCRIPTION
[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 、 Figure 6 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the high wear-resistant fastener provided by the utility model; Figure 2 for Figure 1 The structural diagram of tightening the nut is shown; Figure 3 for Figure 1 A schematic front view of the structure of the high wear-resistant fastener shown; Figure 4 for Figure 1 The structural diagram of the auxiliary limiting rod shown; Figure 5 for Figure 4 The enlarged structural diagram of part A is shown; Figure 6 for Figure 1The schematic diagram of the limit rod structure is shown. The high wear-resistant fastener includes: a fastening screw 1, a tightening nut 2 is fixedly connected to the inner wall of the top of the fastening screw 1, a tightening groove 3 is fixedly connected to the middle inner wall of the tightening nut 2, a limit rod 13 is fixedly connected to the inner wall at the bottom of both ends of the tightening nut 2, a limit ring 14 is fixedly connected to the inner wall at the bottom of the limit rod 13, a fastening nut 9 is provided on the inner wall at the middle of the fastening screw 1, a fixed groove 10 is fixedly connected to the inner wall at both ends of the fastening nut 9, a limited groove 11 is fixedly connected to the inner wall at the side end of the fixed groove 10, and a limit groove 11 is fixedly connected to the inner wall at both ends of the limit groove 11. The fastening slot 12 is connected to the inner walls of both ends of the tightening nut 2, and a mounting piece 15 is installed and connected between the inner walls of the side ends of the mounting piece 15. A connecting plate 18 is installed and connected, and a mounting groove 19 is fixedly connected to the inner wall of one end of the connecting plate 18. A rotating rod 20 is installed and connected between the inner walls of the side ends of the mounting groove 19. An auxiliary limiting piece 21 is rotatably connected to the inner wall of the side end of the rotating rod 20, and a clamping groove 22 is fixedly connected to the inner wall of the side end of the auxiliary limiting piece 21. Corresponding clamping rods 23 are provided on the inner walls of both ends of the fastening nut 9, and a fixing ring 24 is fixedly connected to the inner wall of the side end of the clamping rod 23.
[0023] The inner walls of the side ends of the tightening nut 2 and the fastening nut 9 are fixedly connected with anti-slip teeth 5, which can prevent the structural workpiece from slipping when being tightened.
[0024] The inner walls at both ends of the fastening screw 1 are fixedly connected with fixing holes 6, the inner walls at the side ends of the fixing holes 6 are installed with pressure springs 7, and the inner walls at the side ends of the pressure springs 7 are installed with auxiliary limiting rods 8, which can improve the fastening effect of the device workpiece, so as to further improve the practicality of the device.
[0025] Auxiliary tightening grooves 4 are fixedly connected to the inner walls of both ends of the tightening nut 2 to meet different usage requirements of the device for better operation.
[0026] A wear-resistant pad 25 is installed and connected to the inner wall of the top of the tightening groove 3 to reduce the wear of the structural workpiece and improve the use quality of the device.
[0027] The inner walls at both ends of the mounting member 15 are connected with fastening plates 16 , and the inner walls at the side ends of the fastening plates 16 are connected with fastening bolts 17 , which can be used to fix the device workpiece to reduce the loosening of the position.
[0028] The working principle of the high wear-resistant fastener provided by the utility model is as follows:
[0029] During daily use of the device fastener, first, the fastening nut 9 at the side end is rotated and tightened to the inner wall of the fastening screw 1 for use and tightening. In the process of tightening the tightening nut 2, it will continuously contact the fastening nut 9 at the bottom. At this time, the limiting rod 13 at the bottom of the tightening nut 2 will be limited to the inside of the fixed slot 10 at the bottom. Then, when continuously tightened, the limiting rod 13 at the top will be rotated and limited to the inner wall of the limiting groove 11 at the side end of the fixed slot 10 for secondary limit locking. After completion, the auxiliary limiting pieces 21 at both ends are installed and fixed. In order to further reduce the loosening of the workpiece, the auxiliary limiting piece 21 can be directly rotated and clamped to the inner wall of the clamping rod 23 at the side end for auxiliary limit processing.
[0030] Compared with the related art, the high wear-resistant fastener provided by the utility model has the following beneficial effects:
[0031] During daily use of the device fasteners, in order to improve the fastening effect of the device, the limiting rod 13 provided in the device is used in conjunction with the fastening slot 12. After the device workpiece is tightly connected, a secondary locking and limiting process can be performed to reduce the loosening of the device during long-term use and improve the use effect of the device. At the same time, during use, the device fasteners can further reduce the loosening of the structural workpiece through the auxiliary limiting piece 21 and the clamping rod 23 provided on the side end of the device, thereby improving the practicality of the device.
[0032] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. High wear-resistant fasteners, characterized in that, include: The tightening screw is fixedly connected with a tightening nut on the inner wall of the top of the tightening screw, and a tightening groove is fixedly connected on the middle inner wall of the tightening nut. The inner walls at the bottom of both ends of the tightening nut are fixedly connected with a limiting rod, and the inner wall at the bottom of the limiting rod is fixedly connected with a limiting ring. A tightening nut is provided on the inner wall in the middle of the fastening screw, and the inner walls at both ends of the fastening nut are fixedly connected with a fixing groove, and the inner walls at the side ends of the fixing groove are fixedly connected with a limiting groove, and the inner walls at both ends of the limiting groove are fixedly connected with The fastening slot is provided, and mounting parts are installed and connected on the inner walls of both ends of the tightening nut, and a connecting plate is installed and connected between the inner walls of the side ends of the mounting parts, and the inner wall of one end of the connecting plate is fixedly connected to the mounting groove, and a rotating rod is installed and connected between the inner walls of the side ends of the mounting groove, and an auxiliary limiting part is rotatably connected on the inner wall of the side end of the rotating rod, and a clamping groove is fixedly connected on the inner wall of the side end of the auxiliary limiting part, and corresponding clamping rods are provided on the inner walls of both ends of the fastening nut, and a fixing ring is fixedly connected to the inner wall of the side end of the clamping rod.
2. The high wear-resistant fastener according to claim 1, characterized in that: Anti-slip teeth are fixedly connected to the inner walls of the side ends of the tightening nut and the fastening nut.
3. The high wear-resistant fastener according to claim 1, characterized in that: The inner walls at both ends of the fastening screw are fixedly connected with fixing holes, the inner walls at the side ends of the fixing holes are installed and connected with pressure springs, and the inner walls at the side ends of the pressure springs are installed and connected with auxiliary limiting rods.
4. The high wear-resistant fastener according to claim 1, characterized in that: Auxiliary tightening grooves are fixedly connected to the inner walls of both ends of the tightening nut.
5. The high wear-resistant fastener according to claim 1, characterized in that: A wear-resistant pad is installed and connected on the inner wall of the top of the tightening groove.
6. The high wear-resistant fastener according to claim 1, characterized in that: The inner walls at both ends of the mounting member are both mounted and connected with fastening plates, and the inner walls at the side ends of the fastening plates are mounted and connected with fastening bolts.