Anti-loose fastener

Abstract

The utility model provides an anti-loose fastener which comprises an installation base plate, a nut is arranged in the middle of the installation base plate, a screw rod is fixedly connected to the inner wall of the bottom of the nut, a limiting rod is installed and connected to the inner wall of the side end of a fixing side plate, a limiting device is arranged on the inner wall of the bottom of the nut, a nut is arranged at the bottom of the screw rod, and the limiting rod is connected with the nut. A locking device is mounted and connected to the inner wall of the side end of the sliding limiting plate, a fixing cavity is fixedly connected to the inner wall of the side end of the locking device, and a locking limiting plate is slidably connected to the interior of the fixing cavity. According to the anti-loosening fastener, the locking devices arranged at the two ends of the anti-loosening fastener can limit, lock and fix a tightened workpiece so as to reduce the loosening phenomenon occurring in the using process, the using convenience of the anti-loosening fastener can be improved, the complexity of the workpiece is reduced, and therefore rotation of the workpiece is limited; the mistaken touch phenomenon of the device workpiece can be reduced, and the using effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fastener workpieces, in particular to an anti-loosening fastener. Background Art

[0002] Reliable fastener connections are crucial in modern industry and machinery. Many devices and structures are subject to various dynamic loads during operation, such as vibration, shock, and temperature fluctuations. These factors can cause fasteners to loosen, leading to serious safety issues and equipment failures.

[0003] During long-term use, the existing device workpiece is prone to loosening, which will affect the fastening effect of the device workpiece and is not convenient to use. At the same time, for some locking structures, the operation is cumbersome and the practicality is poor.

[0004] Therefore, it is necessary to provide an anti-loosening fastener to solve the above technical problems. Utility Model Content

[0005] The utility model provides an anti-loosening fastener, which solves the problem that a workpiece of a device is prone to position loosening during long-term use, thereby affecting the fastening effect of the workpiece of the device.

[0006] In order to solve the above technical problems, the utility model provides an anti-loosening fastener comprising: a mounting base, a nut is provided in the middle of the mounting base, a screw is fixedly connected to the inner wall of the bottom of the nut, a tightening groove is fixedly connected to the inner wall of the top of the nut, fixed side plates are installed and connected to the inner walls of both ends of the nut, a limiting rod is installed and connected to the inner wall of the side end of the fixed side plate, a limiting device is provided on the inner wall of the bottom of the nut, an extension plate is fixedly connected to the inner walls of both ends of the limiting device, a limiting slide is fixedly connected to the inner wall in the middle of the extension plate, a nut is provided at the bottom of the screw, and a fixing groove is fixedly connected to the inner wall in the middle of the nut. The inner wall of the side end of the limiting slide is slidably connected to the limiting slider, and the inner wall of the top of the limiting slide is installed and connected to the sliding limiting plate, and the middle inner wall of the sliding limiting plate is fixedly connected to the limiting groove, and the inner wall of the side end of the limiting groove is fixedly connected to the locking groove, and the inner wall of the side end of the sliding limiting plate is installed and connected to the locking device, and the inner wall of the side end of the locking device is fixedly connected to the fixed cavity, and the inner wall of the side end of the fixed cavity is fixedly connected to the locking slide, and the inside of the fixed cavity is slidably connected to the locking limiting plate. The locking sliding rod is installed and connected to the inner wall of the side end of the locking limiting plate, and the locking bolt is installed and connected to the inner wall of the side end of the locking sliding rod.

[0007] Preferably, identification blocks are installed and connected to the inner walls at both ends of the top of the nut.

[0008] Preferably, sliding rods are installed and connected to the bottom inner walls of both ends of the nut, and a sliding groove is fixedly connected to the top inner wall of the limiting device.

[0009] Preferably, a sealing ring is installed and connected to the inner wall of the side end of the limiting rod.

[0010] Preferably, a plurality of anti-slip teeth are provided on the inner wall of the side end of the nut.

[0011] Preferably, a fastening plate is installed and connected to the inner wall of the side end of the locking device, and a fastening bolt is installed and connected to the inner wall of the side end of the fastening plate.

[0012] Compared with the related art, the anti-loosening fastener provided by the present invention has the following beneficial effects:

[0013] The utility model provides an anti-loosening fastener. In order to reduce the loosening of the fastener during use during the daily use of the structural workpiece, the locking devices arranged at both ends of the device can limit and lock the workpiece after tightening, so as to reduce the loosening phenomenon during use, and can improve the convenience of use of the device, reduce the cumbersomeness of the workpiece, thereby limiting the rotation of the workpiece. At the same time, the workpiece can reduce the accidental collision of the device with the workpiece during use, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of an anti-loosening fastener provided by the utility model;

[0015] Figure 2 for Figure 1 The structural diagram of the nut shown;

[0016] Figure 3 for Figure 1 The structural diagram of the nut shown;

[0017] Figure 4 for Figure 1 A schematic structural diagram of the restriction device shown;

[0018] Figure 5 for Figure 1 The structural diagram of the limiting rod shown;

[0019] Figure 6 for Figure 1 The structural diagram of the locking device is shown.

[0020] Numbers in the figure: 1. Mounting base plate, 2. Nut, 3. Tightening groove, 4. Screw, 5. Fixed side plate, 6. Limit rod, 7. Sealing ring, 8. Sliding rod, 9. Identification block, 10. Nut, 11. Fixed groove, 12. Anti-slip teeth, 13. Limiting device, 14. Sliding groove, 15. Extension plate, 16. Limiting groove, 17. Sliding limiting plate, 18. Limiting groove, 19. Locking groove, 20. Locking device, 21. Fixed cavity, 22. Locking groove, 23. Locking limiting plate, 24. Locking sliding rod, 25. Locking bolt, 26. Fastening plate, 27. Fastening bolt, 28. Limiting slider. 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 an anti-loosening fastener provided by the utility model; Figure 2 for Figure 1 The structural diagram of the nut shown; Figure 3 for Figure 1 The structural diagram of the nut shown; Figure 4 for Figure 1 A schematic structural diagram of the restriction device shown; Figure 5 for Figure 1 The structural diagram of the limiting rod shown; Figure 6 for Figure 1The structural diagram of the locking device shown. An anti-loosening fastener comprises: a mounting base 1, a nut 2 is provided in the middle of the mounting base 1, a screw 4 is fixedly connected to the inner wall of the bottom of the nut 2, a tightening groove 2 is fixedly connected to the inner wall of the top of the nut 2, fixed side plates 5 are installed and connected to the inner walls at both ends of the nut 2, and a limiting rod 6 is installed and connected to the inner wall of the side ends of the fixed side plates 5, a limiting device 13 is provided on the inner wall of the bottom of the nut 2, an extension plate 15 is fixedly connected to the inner wall at both ends of the limiting device 13, a limiting groove 16 is fixedly connected to the inner wall in the middle of the extension plate 15, a nut 10 is provided at the bottom of the screw 4, a fixing groove 11 is fixedly connected to the inner wall in the middle of the nut 10, and the limiting groove 16 slides on the inner wall at the side ends. A limiting slider 28 is connected, and a sliding limiting plate 17 is installed on the inner wall of the top of the limiting slider 28. A limiting groove 18 is fixedly connected to the middle inner wall of the sliding limiting plate 17, and a locking groove 19 is fixedly connected to the inner wall of the side end of the limiting groove 18. A locking device 20 is installed on the inner wall of the side end of the sliding limiting plate 17, and a fixed cavity 21 is fixedly connected to the inner wall of the side end of the locking device 20. A locking groove 22 is fixedly connected to the inner wall of the side end of the fixed cavity 21. A locking limiting plate 23 is slidably connected inside the fixed cavity 21, and a locking sliding rod 24 is installed on the inner wall of the side end of the locking limiting plate 23. A locking bolt 25 is installed on the inner wall of the side end of the locking sliding rod 24.

[0023] Identification blocks 9 are mounted on the inner walls at both ends of the top of the nut 2, so that users can observe the structural workpiece conveniently during use.

[0024] Sliding rods 8 are installed and connected to the bottom inner walls of both ends of the nut 2, and a sliding groove 14 is fixedly connected to the top inner wall of the limiting device 13 to improve the accuracy of the device workpiece when tightening and reduce position deviation.

[0025] A sealing ring 7 is installed and connected to the inner wall of the side end of the limiting rod 6 to prevent the workpiece from being eroded by rainwater during use, thereby increasing the service life of the device workpiece.

[0026] The inner wall of the side end of the nut 10 is provided with a plurality of anti-slip teeth 12 to reduce slipping during tightening.

[0027] A fastening plate 26 is mounted on the inner wall of the side end of the locking device 20, and a fastening bolt 27 is mounted on the inner wall of the side end of the fastening plate 26 to improve the stability of the workpiece position of the device and prevent the position from loosening.

[0028] The working principle of the anti-loosening fastener provided by the utility model is as follows:

[0029] During daily use of the structural workpiece, first, the screw 4 and the nut 10 are tightened. Then, in order to reduce the loosening of the workpiece, after tightening, extended limit rods 6 are provided at both ends of the nut 2. The sliding limit plates 17 at both ends can be moved to the appropriate position first, so that the limit rods 6 at both ends are limited and clamped to the inner wall of the locking groove 19 at the side end. At the same time, a locking device 20 is provided at the side end of the sliding limit plate 17. When locking, the locking limit plate 23 inside the locking device 20 can be rotated and slid to move the internal locking limit plate 23 to the inner wall of the side end of the limit rod 6. Then, it is locked and fixed by the locking bolt 25 at the side end of the locking sliding rod 24 to prevent the screw 4 from rotating loose when affected by vibration and other factors, thereby improving the convenience of use of the device and reducing the tediousness of operation.

[0030] Compared with the related art, the anti-loosening fastener provided by the present invention has the following beneficial effects:

[0031] During daily use of structural workpieces, in order to reduce the loosening of the fasteners during use, the locking devices 20 set at both ends of the device can limit and lock the workpiece after tightening, so as to reduce the loosening phenomenon that occurs during use, and improve the convenience of use of the device, reduce the cumbersomeness of the workpiece, thereby limiting the rotation of the workpiece. At the same time, when the workpiece is in use, it can reduce the accidental collision of the device with the workpiece and improve the use effect 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. An anti-loosening fastener, characterized in that: include: The mounting base is provided with a nut in the middle of the mounting base, and a screw is fixedly connected to the inner wall of the bottom of the nut, and a tightening groove is fixedly connected to the inner wall of the top of the nut. Fixed side plates are installed and connected to the inner walls of both ends of the nut, and a limiting rod is installed and connected to the inner wall of the side end of the fixed side plate. A limiting device is provided on the inner wall of the bottom of the nut, and an extension plate is fixedly connected to the inner wall of the two ends of the limiting device. A limiting slot is fixedly connected to the middle inner wall of the extension plate, and a nut is provided at the bottom of the screw, and a fixing groove is fixedly connected to the inner wall of the middle inner wall of the nut. The limiting slot is slidably connected to the inner wall of the side end of the limiting slot The locking plate is connected to the inner wall of the top of the limit slider, and the sliding limit plate is installed and connected to the inner wall of the middle of the sliding limit plate. The limiting groove is fixedly connected to the inner wall of the side end of the limiting groove, and the locking groove is fixedly connected to the inner wall of the side end of the sliding limit plate. The locking device is installed and connected to the inner wall of the side end of the sliding limit plate, and the locking cavity is fixedly connected to the inner wall of the side end of the locking device. The locking slide is fixedly connected to the inner wall of the side end of the fixed cavity, and the locking limiting plate is slidably connected to the inside of the fixed cavity. The locking sliding rod is installed and connected to the inner wall of the side end of the locking limiting plate, and the locking bolt is installed and connected to the inner wall of the side end of the locking sliding rod.

2. The anti-loosening fastener according to claim 1, characterized in that: Identification blocks are installed and connected on the inner walls at both ends of the nut top.

3. The anti-loosening fastener according to claim 1, characterized in that: Sliding rods are installed and connected on the bottom inner walls of both ends of the nut, and a sliding groove is fixedly connected on the top inner wall of the limiting device.

4. The anti-loosening fastener according to claim 1, characterized in that: A sealing ring is installed and connected on the inner wall of the side end of the limiting rod.

5. The anti-loosening fastener according to claim 1, characterized in that: A plurality of anti-slip teeth are arranged on the inner wall of the side end of the nut.

6. The anti-loosening fastener according to claim 1, characterized in that: A fastening plate is installed and connected on the inner wall of the side end of the locking device, and a fastening bolt is installed and connected on the inner wall of the side end of the fastening plate.

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