Bolt for automobile chassis

Abstract

The bolt for the automobile chassis comprises a bolt body, the lower end of the surface of the bolt body is sleeved with a nut in a threaded mode, the lower end of the surface of the bolt body is movably sleeved with a fixing block, the top face of the fixing block is attached to the bottom face of the nut, and the left side and the right side of the bottom face of the fixing block are both fixedly connected with connecting strips. The opposite faces of the two connecting strips are each provided with a plurality of connecting inserting holes, through mutual cooperation of all the parts, the fixing blocks can abut against the nuts, the fixing blocks are fixed and cannot move, and therefore the nuts cannot move on the bolt body, looseness between the nuts and the bolt body is prevented, and the service life of the bolts is prolonged. According to the automobile connecting structure, the overall strength of the automobile connecting structure is guaranteed, the safety of an automobile is improved, the nut can still be easily taken down after the head of the bolt body and the nut deform due to rusting, corrosion and the like, and operation is convenient and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt technical field especially is a bolt for automobile chassis. BACKGROUND

[0002] With the rapid development of social economy, the automobile has become a very popular means of transport, and the assembly technology of automobile bolts is becoming more and more important, especially the automobile chassis bolt, the automobile chassis is an important part of the automobile, which plays a key role in supporting the automobile, forming the overall modeling of the automobile and receiving the engine power, and a large number of high-strength bolts are used in the production and assembly of the automobile chassis, and the connection quality of these bolts is directly related to the safety of the automobile driving, and the bolt is generally used with the nut.

[0003] During driving, the automobile is inevitably affected by various vibration factors, which may cause the nut to rotate or displace slightly on the bolt. With the passage of time and the increase of driving mileage, the slight movement caused by vibration will gradually accumulate, and then looseness will occur between the nut and the bolt. This looseness not only may weaken the overall strength of the connection structure, but also may pose a potential threat to the controllability, stability and safety of the automobile. SUMMARY

[0004] The utility model discloses a bolt for automobile chassis to solve the problem mentioned in the above background technology.

[0005] The utility model discloses a bolt for automobile chassis, including bolt main part, the lower end thread sleeve of bolt main part surface is connected with the nut, the lower end movable sleeve of bolt main part surface is connected with the fixed block, the top surface of fixed block and the bottom surface of nut are attached, the left and right sides of fixed block bottom are all fixedly connected with the connecting strip, the opposite face of two connecting strips is all equipped with a plurality of connecting jack, a plurality of connecting jack is linearly arranged from top to bottom, the lower end surface of bolt main part is fixedly connected with the connecting block, the left and right sides of connecting block and near the top department all movable sleeve are connected with the fixed link, the opposite end of two fixed links is inserted in the adjacent connecting jack, the opposite face of two fixed links is all fixedly connected with the push block, the opposite face of two push blocks is all inclined surface, the middle movable sleeve of connecting block bottom is connected with the connecting rod, the upper end surface of connecting rod is fixedly connected with trapezoidal block, the left and right sides of trapezoidal block are all inclined surface, the opposite face of two push blocks is respectively attached with the left and right sides of trapezoidal block, the surface of fixed link is equipped with spring, one end of spring and the bottom surface of trapezoidal block are fixedly connected, the other end of spring and the top surface of connecting block inner wall are fixedly connected, the lower end surface of fixed link is fixedly connected with the pull ring.

[0006] In one embodiment, the head of the bolt body is hexagonal, and the six sides of the bolt body head sidewall and the six sides of the nut sidewall are provided with through insertion holes, and the six through insertion holes are connected.

[0007] In one embodiment, the left and right sides of the bottom of the connecting block are provided with movable openings, the middle portions of the front sides of the two fixed rods are fixedly connected with push rods, the front ends of the two push rods are respectively slidably connected in the adjacent movable openings and penetrate to the outside of the front side of the connecting block, and the front end faces of the two fixed rods are fixedly connected with push blocks.

[0008] In one embodiment, the upper and lower ends of the surface of the bolt body are movably sleeved with gaskets, the opposite faces of the two gaskets are respectively attached to the bottom face of the bolt body head and the top face of the nut, and the opposite faces of the two gaskets are respectively fixedly connected with rubber pads.

[0009] In one embodiment, the left and right sides of the bottom face of the trapezoidal block are fixedly connected with guide rods, and the lower ends of the guide rods are movably sleeved in the bottom of the connecting block and penetrate to the outside of the bottom of the connecting block.

[0010] In one embodiment, the middle portion of the top face of the inner wall of the connecting block is provided with a sliding groove, the top faces of the two push blocks are fixedly connected with sliding blocks, and the top portions of the two sliding blocks are slidably connected in the sliding groove.

[0011] The beneficial effects of the utility model are:

[0012] Through the cooperation between the components, the nut can be pressed against the fixed block, and the fixed block cannot be moved, so that the nut cannot be moved on the bolt body, thereby preventing loosening between the nut and the bolt body, ensuring the overall strength of the automobile connecting structure, improving the safety of the automobile, and inserting the rod into the through insertion hole, so that the nut can still be easily removed from the bolt body head and the nut after deformation due to rust, corrosion and the like, and the operation is convenient and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the main section view of the connecting strip;

[0015] Figure 3 It is the main section view of the connecting block;

[0016] Figure 4 It is the bottom view of the connecting block;

[0017] Figure 5 It is the bottom view of the connecting block;

[0018] In the drawings, 1, bolt body; 2, nut; 3, fixed block; 4, connecting strip; 5, connecting socket; 6, connecting block; 7, fixed rod; 8, push block; 9, connecting rod; 10, trapezoidal block; 11, spring; 12, pull ring; 13, through socket; 14, movable opening; 15, push rod; 16, push block; 17, gasket; 18, rubber pad; 19, guide rod; 20, sliding groove; 21, sliding block. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the utility model embodiments. The utility model is not limited to the following specific embodiments.

[0020] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top" and "bottom" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent. For ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] In one embodiment, as shown in Figures 1-5 A bolt for automobile chassis includes a bolt body 1, a nut 2 is sleeved on the lower end of the surface of the bolt body 1, a fixed block 3 is movably sleeved on the lower end of the surface of the bolt body 1, the top surface of the fixed block 3 is attached to the bottom surface of the nut 2, the left and right sides of the bottom surface of the fixed block 3 are fixedly connected with connecting strips 4, a plurality of connecting sockets 5 are formed on the opposite surfaces of the two connecting strips 4, the connecting sockets 5 are linearly arranged from top to bottom, a connecting block 6 is fixedly connected to the lower end surface of the bolt body 1, fixed rods 7 are movably sleeved on the left and right sides and near the top of the connecting block 6, the opposite ends of the two fixed rods 7 are respectively inserted into adjacent connecting sockets 5, push blocks 8 are fixedly connected to the opposite surfaces of the two fixed rods 7, the opposite surfaces of the two push blocks 8 are inclined surfaces, a connecting rod 9 is movably sleeved on the middle of the bottom of the connecting block 6, a trapezoidal block 10 is fixedly connected to the upper end surface of the connecting rod 9, the left and right sides of the trapezoidal block 10 are inclined surfaces, the opposite surfaces of the two push blocks 8 are respectively attached to the left and right sides of the trapezoidal block 10, springs 11 are sleeved on the surfaces of the fixed rods 7, one end of the spring 11 is fixedly connected to the bottom surface of the trapezoidal block 10, the other end of the spring 11 is fixedly connected to the top surface of the inner wall of the connecting block 6, and pull rings 12 are fixedly connected to the lower end surfaces of the fixed rods 7.

[0022] In order to fix the bolt body 1 and prevent it from rotating, and facilitate the rotation of the nut 2, the head of the bolt body 1 is hexagonal, and the six sides of the head of the bolt body 1 and the six sides of the sidewall of the nut 2 are provided with through holes 13, and the six through holes 13 are connected.

[0023] In order to facilitate the movement of the two fixing rods 7 towards each other, the left and right sides of the bottom of the connecting block 6 are provided with movable openings 14, the middle of the front side of the two fixing rods 7 is fixedly connected with a push rod 15, the front end of the two push rods 15 is respectively slidably connected in the adjacent movable opening 14 and penetrates to the outside of the front side of the connecting block 6, and the front end face of the two fixing rods 7 is fixedly connected with a push block 16.

[0024] In order to increase the sealing between the bolt body 1, the nut 2 and the automobile parts, the upper and lower ends of the surface of the bolt body 1 are movably sleeved with a gasket 17, the opposite surfaces of the two gaskets 17 are respectively attached to the bottom surface of the head of the bolt body 1 and the top surface of the nut 2, and the opposite surfaces of the two gaskets 17 are respectively fixedly connected with a rubber pad 18.

[0025] In order to prevent the trapezoidal block 10 from rotating and causing the inclined surface to no longer face the push block 8, the left and right sides of the bottom surface of the trapezoidal block 10 are fixedly connected with a guide rod 19, and the lower end of the guide rod 19 is movably sleeved in the bottom of the connecting block 6 and penetrates to the outside of the bottom of the connecting block 6.

[0026] In order to prevent the push block 8 from rotating and causing the inclined surface to no longer face the trapezoidal block 10, the middle of the top surface of the inner wall of the connecting block 6 is provided with a sliding groove 20, the top surface of the two push blocks 8 is fixedly connected with a sliding block 21, and the top of the two sliding blocks 21 is slidably connected in the sliding groove 20.

[0027] Working principle: the utility model for use, first pull the pull ring 12 and make the connecting rod 9 move down, the connecting rod 9 drive trapezoidal block 10 to move down, make trapezoidal block 10 no longer resist two push block 8, then push two push block 16 again and move towards each other, make two fixed rods 7 move towards each other and shrink to connecting block 6, then the gasket 17 is set in the lower end of bolt main body 1, then the nut 2 is set in the lower end of bolt main body 1, make the top surface of nut 2 and the bottom surface of gasket 17 fit, after fixing nut 2, loosen the pull ring 12, because trapezoidal block 10 will extrude spring 11 when moving down, the restoring force of spring 11 will push trapezoidal block 10 upwards, trapezoidal block 10 moves upwards and will push two push block 8 apart, push block 8 drive fixed rod 7 and move, make the apart end of two fixed rods 7 respectively insert into adjacent connecting jack 5, fix connecting strip 4, make fixed block 3 unable to move downwards, fixed block 3 will nut 2, make nut 2 unable to move on bolt main body 1, thereby prevent nut 2 and bolt main body 1 from loosening, improve the safety of car, when the head of bolt main body 1 and nut 2 are deformed due to rust, corrosion etc., lead to unable to use spanner clamping and twisting, can use rod and insert into the through hole 13 on the head of bolt main body 1 and nut 2, hold one rod and make bolt main body 1 keep unmoved, then twist another rod and make nut 2 rotate, thereby can still take off nut 2 relatively easily after the head of bolt main body 1 and nut 2 are deformed due to rust, corrosion etc., operation is convenient and labor-saving.

[0028] The technical features of the above embodiments can be combined arbitrarily, and to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the description.

[0029] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A bolt for automobile chassis, characterized in that, The utility model provides a bolt body, the lower end threaded sleeve of bolt body surface is equipped with the nut, the lower end movable sleeve of bolt body surface is equipped with fixed block, the top surface of fixed block is consistent with the bottom surface of nut, the bottom surface of fixed block left and right sides all are fixedly connected with connecting strip, the opposite face of two connecting strips all are equipped with a plurality of connecting jack, a plurality of connecting jack from top to bottom are linearly arranged in proper order, the lower end surface of bolt body is fixedly connected with connecting block, the left and right sides of connecting block and near the top all are movably sleeved with fixed rod, the opposite ends of two fixed rods are inserted in the adjacent connecting jack respectively, the opposite face of two fixed rods all are fixedly connected with push block, the opposite face of two push blocks all are inclined surface, the middle part of connecting block bottom is movably sleeved with connecting rod, the upper end surface of connecting rod is fixedly connected with trapezoidal block, the left and right sides of trapezoidal block all are inclined surface, the opposite face of two push blocks is consistent with the left and right sides of trapezoidal block respectively, the surface of fixed rod is sleeved with spring, one end of spring is fixedly connected with the bottom surface of trapezoidal block, the other end of spring is fixedly connected with the top surface of connecting block inner wall, the lower end surface of fixed rod is fixedly connected with pull ring.

2. A bolt for use in an automotive chassis as claimed in claim 1, wherein: The head of the bolt body is hexagonal, and the six sides of the head side wall of the bolt body and the six sides of the nut side wall are provided with through holes, and the six through holes are communicated.

3. A bolt for use in an automotive chassis as claimed in claim 1, wherein: The left and right sides of the bottom of the connecting block are provided with movable openings, the middle parts of the front sides of the two fixed rods are fixedly connected with push rods, the front ends of the two push rods are slidingly connected in the adjacent movable openings and penetrate to the outside of the front side of the connecting block, and the front end faces of the two fixed rods are fixedly connected with push blocks.

4. The automotive chassis bolt of claim 1 wherein: The upper and lower ends of the surface of the bolt body are movably sleeved with gaskets, the opposite faces of the two gaskets are respectively consistent with the bottom face of the bolt head and the top face of the nut, and the opposite faces of the two gaskets are fixedly connected with rubber pads.

5. The automotive chassis bolt of claim 1 wherein: The left and right sides of the bottom face of the trapezoidal block are fixedly connected with guide rods, and the lower ends of the guide rods are movably sleeved in the bottom of the connecting block and penetrate to the outside of the bottom of the connecting block.

6. A bolt for use in an automotive chassis as defined in claim 1, wherein: The middle part of the top face of the inner wall of the connecting block is provided with a sliding groove, the top faces of the two push blocks are fixedly connected with sliding blocks, and the top portions of the two sliding blocks are slidingly connected in the sliding groove. The middle part of the top face of the inner wall of the connecting block is provided with a sliding groove, the top faces of the two push blocks are fixedly connected with sliding blocks, and the top portions of the two sliding blocks are slidingly connected in the sliding groove.

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