Shock-resistant lock bolt for automobile chassis

Abstract

The utility model relates to the technical field of bolts, in particular to a shock-resistant check bolt for an automobile chassis, which comprises a hexagon head and a screw body connected to the center of one end of the hexagon head, a check gasket component is sleeved on the outer side of the screw body, and a circular groove is arranged at one end of the hexagon head far away from the screw body. A plurality of circular holes are formed in the circular groove in an annular array mode, elastic connecting rod assemblies are arranged in the circular holes respectively, a locking ring plate is arranged in the circular groove, one end of each elastic connecting rod assembly is connected with the corresponding anti-loose gasket assembly, the other end of each elastic connecting rod assembly is connected with the corresponding locking ring plate, and a threaded hole is formed in the bottom in the circular groove. And a screw is arranged in the locking circular ring plate and is in threaded connection with the threaded hole. The automobile chassis is reasonable in structure, solves the problems of loose bolt connection and poor shock resistance caused by vibration of the automobile chassis, and enhances the using effect.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an earthquake-resistant and loosening-preventing bolt for an automobile chassis. Background Technique

[0002] The earthquake-resistant bolt for an automobile chassis is a special bolt designed for the automobile chassis, aiming to improve the stability and safety of the automobile during driving and reduce the loosening and damage caused by vibration; when the automobile is driving on an uneven road surface, the chassis will be subjected to various impacts and vibrations from the road surface. The earthquake-resistant bolt can effectively absorb and disperse these vibration energies through its special structure and materials, maintaining the stability and tightness of the chassis. Specifically, the shock-absorbing element of the bolt will deform and store energy, and when the vibration weakens or disappears, the shock-absorbing element will return to its original state and release energy, thus maintaining the tightened state of the bolt.

[0003] In view of the above related technologies, the inventor found that when the existing earthquake-resistant bolts for automobile chassis are in use, the earthquake-resistant performance of the bolts is poor, and large vibrations are likely to occur during the driving of the automobile, which will cause the connection of the bolts to become loose and reduce the use effect. Content of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide an earthquake-resistant and loosening-preventing bolt for an automobile chassis, which solves the problems of bolt connection loosening and poor earthquake resistance caused by the vibration of the automobile chassis and enhances the use effect.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide an earthquake-resistant and loosening-preventing bolt for an automobile chassis, including: a hexagonal head and a screw body connected to the center of one end thereof, a loosening-preventing gasket assembly is sleeved outside the screw body, a circular groove is provided at one end of the hexagonal head away from the screw body, a plurality of circular holes are annularly arranged in the circular groove, elastic connecting rod assemblies are respectively arranged in the circular holes, a locking circular ring plate is arranged in the circular groove, one end of the elastic connecting rod assembly is connected to the loosening-preventing gasket assembly, and the other end is connected to the locking circular ring plate, a threaded hole is provided at the bottom of the circular groove, a screw is arranged in the locking circular ring plate, and the screw is in threaded connection with the threaded hole.

[0006] By adopting the above technical solution, during use, the earthquake-resistant and anti-loosening bolt is passed through the installation hole of the fastener to be fastened, and the earthquake-resistant and anti-loosening bolt is threadedly connected to the threaded hole on the vehicle chassis. Use a wrench to rotate the hexagonal head to drive the screw body to rotate, and the hexagonal head squeezes the anti-loosening gasket assembly to be elastically in contact with the fastener to be fastened, thereby preventing the earthquake-resistant and anti-loosening bolt from rotating in the reverse direction and achieving the purpose of anti-loosening. Since the anti-loosening gasket assembly is connected to the locking ring plate through the elastic connecting rod assembly, turning the screw drives the locking ring plate to move into the circular groove. When the vehicle chassis experiences a large vibration, looseness is likely to occur between the fastener to be fastened and the anti-loosening gasket assembly. Under the elastic force of the elastic connecting rod assembly, the anti-loosening gasket assembly is driven to be elastically and tightly connected to the fastener to be fastened, enhancing the anti-loosening effect. At the same time, the vibration generated by the vehicle chassis is transmitted to the elastic connecting rod assembly through the anti-loosening gasket assembly, and a part of the vibration is buffered and absorbed by the elastic connecting rod assembly, achieving the purpose of earthquake resistance and enhancing the use effect of the earthquake-resistant and anti-loosening bolt.

[0007] In a preferred embodiment of the present utility model, it can be further configured that: the anti-loosening gasket assembly includes an annular plate body and a plurality of V-shaped spring steel plates, and the V-shaped spring steel plates are connected in an annular array to the lower plane of the annular plate body.

[0008] By adopting the above technical solution, the anti-loosening gasket assembly is squeezed by the hexagonal head and is tightly connected to the fastener to be fastened, causing the V-shaped spring steel plates to deform and be elastically connected to the fastener to be fastened, enhancing the anti-loosening effect.

[0009] In a preferred embodiment of the present utility model, it can be further configured that: the elastic connecting rod assembly includes a circular tube and a circular rod body slidably connected in its inner cavity. A spring body is provided in the circular tube. The upper end of the circular tube is connected to the locking ring plate, the lower end of the circular rod body is connected to the anti-loosening gasket assembly, one end of the spring body is in contact connection with the locking ring plate, and the other end is in contact connection with the end of the circular rod body. It also includes a limiting member for preventing the circular rod body from detaching from the circular tube.

[0010] By adopting the above technical solution, after the elastic connecting rod assembly is squeezed, the circular rod body moves into the circular tube, and the spring body is squeezed and deformed to generate a reverse acting force, thereby driving the anti-loosening gasket assembly to be elastically and tightly connected to the fastener to be fastened through the circular rod body, having a buffering effect.

[0011] In a preferred embodiment of the present utility model, it can be further configured that: the limiting member includes a rectangular hole provided on the circular tube, and a limiting block is provided in the rectangular hole, and the limiting block is connected to the circular rod body.

[0012] By adopting the above technical solution, by moving the limiting block in the rectangular hole, the circular rod body is prevented from detaching from the circular tube, achieving the purpose of limiting.

[0013] In a preferred embodiment, the present utility model can be further configured as follows: a rubber cylinder is provided in the inner hole of the spring body, one end of the rubber cylinder is in contact connection with the locking ring plate, and the other end is in contact connection with the end of the round rod body.

[0014] By adopting the above technical solution, the rubber cylinder has the function of absorbing energy, thereby enhancing the seismic resistance effect of the bolt.

[0015] In a preferred embodiment, the present utility model can be further configured as follows: thread glue is applied to the thread surface of the screw.

[0016] By adopting the above technical solution, by applying thread glue to the thread surface of the screw, the loosening between the screw and the threaded hole is prevented, and the connection firmness of the seismic-resistant and anti-loosening bolt is enhanced.

[0017] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0018] Turn the screw to drive the locking ring plate to move into the circular groove. When there is a large vibration in the vehicle chassis, it is easy for looseness to occur between the fastened part and the anti-loosening gasket assembly. Under the elastic force of the elastic connecting rod assembly, the anti-loosening gasket assembly is driven to be elastically and tightly connected to the fastened part, enhancing the anti-loosening effect. At the same time, the vibration generated by the vehicle chassis is transmitted to the elastic connecting rod assembly through the anti-loosening gasket assembly, and part of the vibration is buffered and absorbed by the elastic connecting rod assembly, achieving the purpose of seismic resistance and enhancing the use effect of the seismic-resistant and anti-loosening bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0020] Figure 1 is a schematic structural diagram of a preferred embodiment of an anti-seismic and anti-loosening bolt for a vehicle chassis according to the present utility model.

[0021] Figure 2 is Figure 1 the sectional view taken along line A-A in

[0022] Figure 3 is Figure 1 the schematic structural diagram of the anti-loosening gasket assembly in

[0023] Figure 4 is Figure 2 the schematic structural diagram of the connection between the elastic connecting rod assembly and the rubber cylinder in

[0024] Figure 5 is Figure 1 The structural schematic diagram of the hexagonal head in the middle.

[0025] In the figure: 1. Hexagonal head; 2. Screw body; 30. Locking washer assembly; 4. Circular groove; 5. Circular hole; 60. Elastic connecting rod assembly; 7. Locking ring plate; 8. Threaded hole; 9. Screw;

[0026] 31. Annular plate body; 32. V-shaped spring steel plate;

[0027] 61. Round tube; 62. Round rod body; 63. Spring body; 64. Limiting part; 641. Rectangular hole; 642. Limiting block. Specific implementation mode

[0028] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] It should be noted that these drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner. Therefore, they only show the components related to the present invention.

[0030] Referring to Figures 1 to 5 , an earthquake-resistant and anti-loosening bolt for an automobile chassis disclosed by the present invention includes: a hexagonal head 1 and a screw body 2 connected to the center of one end thereof. A locking washer assembly 30 is sleeved outside the screw body 2. The locking washer assembly 30 includes an annular plate body 31 and a plurality of V-shaped spring steel plates 32. The V-shaped spring steel plates 32 are connected in an annular array to the lower plane of the annular plate body 31. Rotating the hexagonal head 1 with a wrench drives the screw body 2 to rotate. The hexagonal head 1 presses the V-shaped spring steel plates 32 on the locking washer assembly 30 to be elastically in contact with the fastener, enhancing the anti-loosening effect of the connection between the bolt of the present application and the fastener.

[0031] A circular groove 4 is provided at one end of the hexagonal head 1 away from the screw body 2. A plurality of circular holes 5 are provided in the circular groove 4 in an annular array. Elastic connecting rod assemblies 60 are respectively provided in the circular holes 5. A locking ring plate 7 is provided in the circular groove 4. One end of the elastic connecting rod assembly 60 is connected to the locking washer assembly 30, and the other end is connected to the locking ring plate 7. A threaded hole 8 is provided at the bottom in the circular groove 4. A screw 9 is provided in the locking ring plate 7. The screw 9 is in threaded connection with the threaded hole 8; Thread sealant is applied to the threaded surface of the screw 9; By applying thread sealant to the threaded surface of the screw 9, the loosening of the screw 9 and the threaded hole 8 is prevented, enhancing the connection firmness of the earthquake-resistant and anti-loosening bolt.

[0032] The elastic connecting rod assembly 60 includes a circular tube 61 and a circular rod body 62 slidably connected in its inner cavity. The circular tube 61 is located in the circular hole 5. A spring body 63 is provided in the circular tube 61. The upper end of the circular tube 61 is connected to the locking ring plate 7. The lower end of the circular rod body 62 is connected to the anti-loosening gasket assembly 30. One end of the spring body 63 is in contact connection with the locking ring plate 7, and the other end is in contact connection with the end of the circular rod body 62. It also includes a limiting member 64 that prevents the circular rod body 62 from disengaging from the circular tube 61. After the elastic connecting rod assembly 60 is squeezed, the circular rod body 62 moves into the circular tube 61, and the spring body 63 is squeezed and deformed to generate a reverse force, so as to drive the anti-loosening gasket assembly 30 to be elastically and tightly connected to the fastened part through the circular rod body 62, having a buffering effect.

[0033] The limiting member 64 includes a rectangular hole 641 provided on the circular tube 61. A limiting block 642 is provided in the rectangular hole 641. The limiting block 642 is connected to the circular rod body 62. By moving the limiting block 642 in the rectangular hole 641, the circular rod body 62 is prevented from disengaging from the circular tube 61, achieving the purpose of limiting.

[0034] A rubber column body 11 is provided in the inner hole of the spring body 63. One end of the rubber column body 11 is in contact connection with the locking ring plate 7, and the other end is in contact connection with the end of the circular rod body 62. The rubber column body 11 has the function of absorbing energy, thereby enhancing the earthquake resistance effect of the bolt.

[0035] The implementation principle of this embodiment is as follows: When in use, an earthquake-resistant and anti-loosening bolt is inserted into the installation hole of the fastened part, and the earthquake-resistant and anti-loosening bolt is threadedly connected to the threaded hole on the vehicle chassis. A wrench is used to rotate the hexagonal head 1 to drive the screw body 2 to rotate. The hexagonal head 1 squeezes the anti-loosening gasket assembly 30 to be in elastic contact with the fastened part, thereby preventing the earthquake-resistant and anti-loosening bolt from rotating in the reverse direction, achieving the purpose of anti-loosening. Since the anti-loosening gasket assembly 30 is connected to the locking ring plate 7 through the elastic connecting rod assembly 60, turning the screw 9 drives the locking ring plate 7 to move into the circular groove 4. When the vehicle chassis has a large vibration, looseness occurs between the fastened part and the anti-loosening gasket assembly 30. Under the elastic force of the elastic connecting rod assembly 60, the anti-loosening gasket assembly 30 is driven to be elastically and tightly connected to the fastened part, enhancing the anti-loosening effect. At the same time, the vibration generated by the vehicle chassis is transmitted to the elastic connecting rod assembly 60 through the anti-loosening gasket assembly 30. Part of the vibration is buffered and absorbed by the elastic connecting rod assembly 60, achieving the purpose of earthquake resistance and enhancing the use effect of the earthquake-resistant and anti-loosening bolt.

[0036] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present invention by the same token.

Claims

1. A seismic and anti-loosening bolt for automobile chassis, comprising: A hexagonal head (1) and a screw body (2) connected at the center of one end thereof, characterized in that an anti-loosening gasket assembly (30) is sleeved on the outer side of the screw body (2), a circular groove (4) is provided at one end of the hexagonal head (1) away from the screw body (2), a plurality of circular holes (5) are provided in an annular array in the circular groove (4), elastic connecting rod assemblies (60) are respectively provided in the circular holes (5), a locking circular ring plate (7) is provided in the circular groove (4), one end of the elastic connecting rod assembly (60) is connected to the anti-loosening gasket assembly (30), and the other end is connected to the locking circular ring plate (7), a threaded hole (8) is provided at the bottom of the circular groove (4), a screw (9) is provided in the locking circular ring plate (7), and the screw (9) is threadedly connected to the threaded hole (8).

2. The anti-vibration and anti-loosening bolt for automobile chassis according to claim 1, characterized in that: The anti-loosening gasket assembly (30) comprises an annular plate body (31) and a plurality of V-shaped spring steel plates (32), wherein the V-shaped spring steel plates (32) are connected in an annular array to the lower plane of the annular plate body (31).

3. The anti-vibration and anti-loosening bolt for automobile chassis according to claim 1, characterized in that: The elastic connecting rod assembly (60) comprises a circular tube (61) and a circular rod body (62) slidably connected to the inner cavity thereof, a spring body (63) is arranged in the circular tube (61), the upper end of the circular tube (61) is connected to the locking circular ring plate (7), the lower end of the circular rod body (62) is connected to the anti-loosening gasket assembly (30), one end of the spring body (63) is connected to the locking circular ring plate (7), and the other end is connected to the end of the circular rod body (62), and also comprises a stopper (64) for preventing the circular rod body (62) from escaping from the circular tube (61).

4. The anti-vibration and anti-loosening bolt for automobile chassis according to claim 3, characterized in that: The limiting member (64) comprises a rectangular hole (641) arranged on the circular tube (61), a limiting block (642) is arranged in the rectangular hole (641), and the limiting block (642) is connected to the circular rod body (62).

5. The anti-vibration and anti-loosening bolt for automobile chassis according to claim 3, characterized in that: The inner hole of the spring body (63) is provided with a rubber column (11), one end of the rubber column (11) is in contact with the locking circular ring plate (7), and the other end is in contact with the end of the round rod body (62).

6. The anti-vibration and anti-loosening bolt for automobile chassis according to claim 1, characterized in that: The thread surface of the screw (9) is coated with thread glue.

Images