Anti-loosening automobile fastener

Abstract

The utility model relates to the technical field of fasteners, and discloses an anti-loosening automobile fastener which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located on the inner side of the main body mechanism, and the main body mechanism comprises a bolt head, a connecting block, a threaded rod, a first nut fastener, a second nut fastener and a hydraulic prop. The connecting block is fixedly installed at the lower end of the bolt head, the threaded rod is fixedly installed at the lower end of the connecting block, and the first nut fastener is movably installed on the outer side of the threaded rod. According to the anti-loosening automobile fastener, the first nut fastener and the second nut fastener are arranged for fastening, the purpose of improving the fastening effect of the bolt and nut fastener is achieved through multi-stage fastening, loosening is not prone to occurring after long-time use, the fixing effect of a bolt and the nuts is greatly improved, and the anti-loosening automobile fastener is suitable for popularization and application. And through the arrangement of the hydraulic props and the anti-vibration springs, the anti-vibration effect of the device can be greatly improved.

Description

Technical Field

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

[0002] Fasteners are a type of mechanical parts used for fastening connections and are extremely widely used. Fasteners are widely used in a wide range of industries and are the most widely used basic mechanical parts. They are characterized by a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization, and generalization. Therefore, some people call a type of fasteners with national standards standard fasteners, or simply standard parts.

[0003] Prior art CN219472537U A kind of anti-loosening automobile fastener, the utility model relates to the technical field of automobile fasteners, and in particular to an anti-loosening automobile fastener, comprising a first hexagonal nut, a second hexagonal nut and a stud, the stud is fixedly mounted on the surface of the first hexagonal nut, the second hexagonal nut is threadedly connected to the surface of the stud, the surface of the stud is provided with a vertical groove along the length direction, a fixing rod is slidably connected inside the vertical groove, a plug rod is fixedly mounted at the bottom of the fixing rod, and a plug hole is evenly provided on the surface of the second hexagonal nut. The utility model provides a vertical groove on the stud, so that the plug rod at the bottom of the fixing rod is inserted into the plug hole of the second hexagonal nut, so that the second hexagonal nut and the stud cannot rotate, and even under strong turbulence, it will not rotate and loosen, and the limiting mechanism provided on the fixing rod can limit the position of the fixing rod inside the vertical groove, avoid the fixing rod from slipping off the plug hole, and enhance the stability in use.

[0004] An anti-loosening automobile fastener in the prior art is directly fixed by a nut and a stud, but the first hexagonal nut is fixedly installed on the lower side of the stud, and only the second hexagonal nut is rotated on the stud for fixing, which is easy to loosen after long-term use, greatly reducing the fixing effect of the nut and the stud, and its anti-seismic effect is also poor. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model aims to provide an anti-loosening automobile fastener to solve the problem in the above-mentioned background technology that the second hexagonal nut is rotated on the stud for fixing, which is easy to loosen after long-term use, so that the fixing effect of the nut and the stud is greatly reduced, and its anti-seismic effect is also poor.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening automobile fastener, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located on the inner side of the main mechanism, and the main mechanism comprises a bolt head, a connecting block, a threaded rod, a first nut fastener, a second nut fastener and a hydraulic support, wherein the connecting block is fixedly mounted on the lower end of the bolt head, the threaded rod is fixedly mounted on the lower end of the connecting block, the first nut fastener is movably mounted on the outer side of the threaded rod, the second nut fastener is movably mounted on the outer side of the threaded rod, and the hydraulic support is fixedly mounted inside the connecting block.

[0009] Preferably, the main body structure further includes an anti-vibration spring, a support gasket, an annular gasket, a mounting slot, a first internal thread and a first external thread, and the anti-vibration spring is movably mounted on the outer end of the hydraulic support.

[0010] Preferably, the supporting gasket is fixedly mounted on the lower end of the hydraulic prop, the annular gasket is movably mounted on the lower end of the connecting block, and the mounting slot is fixedly arranged on the upper end of the bolt head.

[0011] Preferably, the first internal thread is fixedly disposed on the outer end of the threaded rod, and the first external thread is fixedly disposed on the outer end of the threaded rod.

[0012] Preferably, the auxiliary mechanism includes a first connecting groove, a second internal thread, a second external thread, a second connecting groove, a third internal thread and a third external thread, and the first connecting groove is fixedly arranged inside the first nut fastener.

[0013] Preferably, the second internal thread is fixedly disposed inside the first connecting groove, and the second external thread is fixedly disposed inside the first connecting groove.

[0014] Preferably, the second connecting groove is fixedly arranged inside the second nut fastener, the third internal thread is fixedly arranged inside the second connecting groove, and the third external thread is fixedly arranged inside the second connecting groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The anti-loosening automobile fastener is installed by installing the main body mechanism, and is fastened by two nuts, namely, the first nut fastener and the second nut fastener. After multi-stage fastening, the fastening effect of the bolt and nut fastener is improved. It is not easy to loosen after long-term use, so that the fixing effect of the bolt and the nut is greatly improved. The anti-vibration effect of the device can be greatly improved by the hydraulic support and the anti-vibration spring.

[0017] 2. The anti-loosening automobile fastener is provided with a second internal thread and a second external thread through the installation auxiliary mechanism. The second nut fastener is provided with a third internal thread and a third external thread. The first internal thread and the first external thread are matched with the second internal thread and the second external thread. The first internal thread and the first external thread are matched with the third internal thread and the third external thread. The fastening effect of the first nut fastener and the second nut fastener on the threaded rod can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the connection block of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the first nut fastener of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the second nut fastener of the utility model.

[0022] In the figure: 1. main body; 101. bolt head; 102. connecting block; 103. threaded rod; 104. first nut fastener; 105. second nut fastener; 106. hydraulic support; 107. anti-vibration spring; 108. supporting gasket; 109. annular gasket; 110. mounting slot; 111. first internal thread; 112. first external thread; 2. auxiliary mechanism; 201. first connecting groove; 202. second internal thread; 203. second external thread; 204. second connecting groove; 205. third internal thread; 206. third external thread. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4The utility model provides a technical solution: an anti-loosening automobile fastener, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located on the inner side of the main mechanism 1, the main mechanism 1 comprises a bolt head 101, a connecting block 102, a threaded rod 103, a first nut fastener 104, a second nut fastener 105 and a hydraulic support 106, the connecting block 102 is fixedly installed at the lower end of the bolt head 101, the threaded rod 103 is fixedly installed at the lower end of the connecting block 102, the first nut fastener 104 is movably installed on the outer side of the threaded rod 103, the second nut fastener 105 is movably installed on the outer side of the threaded rod 103, and the hydraulic support 106 is fixedly installed inside the connecting block 102.

[0025] The main body mechanism 1 also includes an anti-vibration spring 107, a support gasket 108, an annular gasket 109, a mounting slot 110, a first internal thread 111 and a first external thread 112. The anti-vibration spring 107 is movably mounted on the outer end of the hydraulic support 106, the support gasket 108 is fixedly mounted on the lower end of the hydraulic support 106, the annular gasket 109 is movably mounted on the lower end of the connecting block 102, the mounting slot 110 is fixedly arranged on the upper end of the bolt head 101, the first internal thread 111 is fixedly arranged on the outer end of the threaded rod 103, and the first external thread 112 is fixedly arranged on the outer end of the threaded rod 103. When the anti-loosening type automotive fastener is needed, the two nuts of the first nut fastener 104 and the second nut fastener 105 are fastened. After multi-stage fastening, the fastening effect of the bolt and nut fastener is improved, and it is not easy to loosen after long-term use, so that the fixing effect of the bolt and the nut is greatly improved. The anti-vibration effect of the device can be greatly improved by the hydraulic support 106 and the anti-vibration spring 107.

[0026] The auxiliary mechanism 2 includes a first connecting groove 201, a second internal thread 202, a second external thread 203, a second connecting groove 204, a third internal thread 205 and a third external thread 206. The first connecting groove 201 is fixedly arranged inside the first nut fastener 104, the second internal thread 202 is fixedly arranged inside the first connecting groove 201, the second external thread 203 is fixedly arranged inside the first connecting groove 201, the second connecting groove 204 is fixedly arranged inside the second nut fastener 105, the third internal thread 205 is fixedly arranged inside the second connecting groove 204, and the third external thread 206 is fixedly arranged inside the second connecting groove 204. The hydraulic support 106 and the anti-vibration spring 107 can greatly improve the anti-vibration effect of the device; the first nut fastener 104 is provided with a second internal thread 202 and a second external thread 203; the second nut fastener 105 is provided with a third internal thread 205 and a third external thread 206; the first internal thread 111 and the first external thread 112 are matched with the second internal thread 202 and the second external thread 203; the first internal thread 111 and the first external thread 112 are matched with the third internal thread 205 and the third external thread 206, which can improve the fastening effect of the first nut fastener 104 and the second nut fastener 105 on the threaded rod 103.

[0027] Working principle: When the anti-loosening automobile fastener is needed, the two nuts of the first nut fastener 104 and the second nut fastener 105 are set for tightening. After multi-stage tightening, the tightening effect of the bolt and nut fastener is improved, and it is not easy to loosen after long-term use, so that the fixing effect of the bolt and the nut is greatly improved. The hydraulic support 106 and the anti-vibration spring 107 are set, and the anti-vibration effect of the device can be greatly improved. The first nut fastener 104 is provided with a second internal thread 202 and a second external thread 203, and the second nut fastener 105 is provided with a third internal thread 205 and a third external thread 206. The first internal thread 111 and the first external thread 112 are matched with the second internal thread 202 and the second external thread 203, and the first internal thread 111 and the first external thread 112 are matched with the third internal thread 205 and the third external thread 206, so that the fastening effect of the first nut fastener 104 and the second nut fastener 105 on the threaded rod 103 can be improved.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An anti-loosening automobile fastener, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located inside the main mechanism (1); the main mechanism (1) comprises a bolt head (101), a connecting block (102), a threaded rod (103), a first nut fastener (104), a second nut fastener (105) and a hydraulic support (106); the connecting block (102) is fixedly mounted on the lower end of the bolt head (101); the threaded rod (103) is fixedly mounted on the lower end of the connecting block (102); the first nut fastener (104) is movably mounted on the outside of the threaded rod (103); the second nut fastener (105) is movably mounted on the outside of the threaded rod (103); and the hydraulic support (106) is fixedly mounted inside the connecting block (102).

2. The anti-loosening automotive fastener according to claim 1, characterized in that: The main body mechanism (1) further comprises an anti-vibration spring (107), a support gasket (108), an annular gasket (109), a mounting slot (110), a first internal thread (111) and a first external thread (112); the anti-vibration spring (107) is movably mounted on the outer end of the hydraulic support (106).

3. The anti-loosening automotive fastener according to claim 2, characterized in that: The support gasket (108) is fixedly mounted on the lower end of the hydraulic support (106), the annular gasket (109) is movably mounted on the lower end of the connecting block (102), and the mounting slot (110) is fixedly arranged on the upper end of the bolt head (101).

4. The anti-loosening automotive fastener according to claim 3, characterized in that: The first internal thread (111) is fixedly arranged on the outer end of the threaded rod (103), and the first external thread (112) is fixedly arranged on the outer end of the threaded rod (103).

5. The anti-loosening automotive fastener according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a first connecting groove (201), a second internal thread (202), a second external thread (203), a second connecting groove (204), a third internal thread (205) and a third external thread (206); the first connecting groove (201) is fixedly arranged inside the first nut fastener (104).

6. The anti-loosening automotive fastener according to claim 5, characterized in that: The second internal thread (202) is fixedly disposed inside the first connecting groove (201), and the second external thread (203) is fixedly disposed inside the first connecting groove (201).

7. The anti-loosening automotive fastener according to claim 6, characterized in that: The second connecting groove (204) is fixedly arranged inside the second nut fastener (105), the third internal thread (205) is fixedly arranged inside the second connecting groove (204), and the third external thread (206) is fixedly arranged inside the second connecting groove (204).

Images