CN216199660U - Anticorrosive fastener for car - Google Patents

Abstract

The utility model discloses an automobile anti-corrosion fastener, which relates to the field of automobile parts and comprises a bolt, wherein a first screw pad and a second screw pad are sleeved on the outer wall of the bolt, a protective sleeve is arranged at the top of the bolt, a hexagonal groove matched with the outer wall of the bolt is formed in the protective sleeve, a pull block is arranged at the top of the protective sleeve, and a connecting rope is fixed at the bottom of the pull block in the protective sleeve. The utility model solves the problem that the traditional protective sleeve is easy to fall off, so that the protective effect on the joint is poor, the protective sleeve is clamped on the outer wall of a bolt when being installed through the protective sleeve, the extrusion block enters the limiting groove in the first screw pad, so that the limiting on the protective sleeve is completed, the extrusion block is not easy to separate from the limiting groove through the elasticity of the spring on the extrusion block, the protective sleeve can better protect the joint of the bolt, and the protective sleeve can be attached to the bolt through the arranged rubber pad.

Description

Anticorrosive fastener for car

Technical Field

The utility model relates to the field of automobile parts, in particular to an anticorrosive fastener for an automobile.

Background

The car has become the instrument of riding instead of walk among people's daily life, but need the multiunit step to make up in the in-process of automobile production, what the longest was used is exactly the fastener, the fastener that sees most often is the bolt, current fastener is exactly to use the bolt-up, in order to prevent that the corrosion can generally sheathe in the protective sheath in bolt department, the protective sheath receives jolt influence easily at the car during operation, lead to the protective sheath to drop, can be corroded by external rainwater, lead to the fastener corrosion, waste time and energy when dismantling and still can lead to the fastener to damage.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem, the utility model aims to provide an anticorrosive fastener for an automobile, which aims to solve the technical problems that the conventional fastener is fastened by using a bolt, a protective sleeve is usually sleeved on the bolt to prevent corrosion, the protective sleeve is easily affected by bumping when the automobile works, the protective sleeve falls off, the protective sleeve is corroded by external rainwater to cause corrosion of the fastener, time and labor are wasted when the fastener is detached, and the fastener is damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an anticorrosive fastener for car, includes the bolt, the outer wall cover of bolt is equipped with first spiral shell pad and second spiral shell pad, and the top of bolt is provided with the protective sheath to the inside of protective sheath is seted up with bolt outer wall assorted hexagonal groove, the top of protective sheath is provided with draws the piece, and draws the inside that the piece bottom is located the protective sheath to be fixed with and connect the rope, the fixed pulley is installed through the pivot in the inside of protective sheath, the bottom of protective sheath inner wall is provided with the extrusion piece, and one side of extrusion piece is fixed with the spring, the bottom of protective sheath is fixed with the rubber pad.

Through adopting the above-mentioned technical scheme, the problem that traditional protective sheath dropped easily has been solved, lead to not good to the junction protecting effect, protective sheath through setting up when installing, the block is at the outer wall of bolt, the extrusion piece gets into the spacing inslot in the first spiral shell pad, thereby accomplish spacing to the protective sheath, elasticity to the extrusion piece through the spring, thereby can make the extrusion piece be difficult to break away from the spacing inslot, make the protective sheath better protect bolted connection, when can make protective sheath and bolt laminating through the rubber pad that sets up, the rubber pad closely laminates with the object outer wall, reach waterproof effect, avoid rainwater and bolted connection to combine, thereby can avoid the problem of bolt corrosion, improve the life of bolt.

The utility model is further arranged in such a way that the bottom end in the protective sleeve is provided with a chute matched with the extrusion block, and the inner wall of the chute is fixed with one end of the spring.

Through adopting above-mentioned technical scheme, can make the extrusion piece at the inner wall directional slip of spout through the spout that sets up to extrude the spring, the arc cross-section of setting can ensure that the extrusion piece can be better when the installation work.

The utility model is further provided that the top of the first screw pad is provided with a limit groove matched with the extrusion block.

Through adopting above-mentioned technical scheme, can extrude the piece outer wall through the spacing groove that sets up, further carry out spacingly to the extrusion piece, can prevent the problem of extrusion piece and spacing groove separation.

The utility model is further provided that one end of the connecting rope far away from the pulling block is fixed with the top of the extrusion block, and the connecting rope is wound on the outer wall of the fixed pulley.

Through adopting above-mentioned technical scheme, can reduce frictional resistance through the fixed pulley when rope is connected in the pulling to be convenient for pull extrusion piece and slide at the spout inner wall.

The utility model is further provided that the number of the pull blocks is two, and the two groups of the pull blocks are symmetrically arranged by the vertical middle line of the protective sleeve.

Through adopting above-mentioned technical scheme, the effect that the piece that draws through the symmetry setting can make the protective sheath installation better to make the protective sheath can not drop when the car jolts.

In summary, the utility model mainly has the following beneficial effects:

according to the utility model, the problem that a traditional protective sleeve is easy to fall off and poor in protection effect on a joint is caused by the fact that the traditional protective sleeve is poor in protection effect on the joint is solved through the rubber pad, the connecting rope, the fixed pulley, the extrusion block and the spring, when the protective sleeve is installed, the protective sleeve is clamped on the outer wall of the bolt, the extrusion block enters the limiting groove in the first screw pad, limiting on the protective sleeve is completed, the extrusion block can not easily separate from the limiting groove through the spring, the protective sleeve can better protect the joint of the bolt, when the protective sleeve is attached to the bolt through the arranged rubber pad, the rubber pad is tightly attached to the outer wall of an object, a waterproof effect is achieved, combination of rainwater and the joint of the bolt is avoided, the problem of corrosion of the bolt can be avoided, and the service life of the bolt is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

fig. 3 is a perspective view of the extrusion block of the present invention.

In the figure: 1. a bolt; 2. a protective sleeve; 3. a rubber pad; 4. a first screw pad; 5. pulling the block; 6. connecting ropes; 7. a fixed pulley; 8. extruding the block; 9. a spring; 10. a second screw pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An anticorrosion fastener for an automobile, as shown in fig. 1-3, comprises a bolt 1, wherein the outer wall of the bolt 1 is sleeved with a first screw pad 4 and a second screw pad 10, the top of the bolt 1 is provided with a protective sleeve 2, the protective sleeve 2 is internally provided with a hexagonal groove matched with the outer wall of the bolt 1, the top of the protective sleeve 2 is provided with a pull block 5, the bottom of the pull block 5 is positioned in the protective sleeve 2 and is fixedly provided with a connecting rope 6, the protective sleeve 2 is internally provided with a fixed pulley 7 through a rotating shaft, the bottom of the inner wall of the protective sleeve 2 is provided with an extrusion block 8, one side of the extrusion block 8 is fixedly provided with a spring 9, the bottom of the protective sleeve 2 is fixedly provided with a rubber pad 3, the protective sleeve 2 is clamped on the outer wall of the bolt 1, when the extrusion block 8 is contacted with a limit groove at the top of the first screw pad 4, the limit groove extrudes the extrusion block 8 to enable the extrusion block to slidably extrude the spring 9 on the inner wall of the chute, when extrusion piece 8 got into the spacing inslot portion, spring 9 drove extrusion piece 8 and resets to the completion is to the fixed of protective sheath 2, and rubber pad 3 and the contact of article outer wall, thereby can prevent that external water from entering into bolt 1's junction, avoid the problem of bolt 1 junction corrosion.

Referring to fig. 2, a sliding groove matched with the extrusion block 8 is formed in the bottom end inside the protective sleeve 2, the inner wall of the sliding groove is fixed to one end of the spring 9, the extrusion block 8 can directionally slide on the inner wall of the sliding groove through the arranged sliding groove, so that the spring 9 is extruded, and the arranged arc-shaped cross section can ensure that the extrusion block 8 can better work when being installed.

Referring to fig. 2, a limiting groove matched with the extrusion block 8 is formed in the top of the first screw pad 4, the outer wall of the extrusion block 8 can be extruded through the limiting groove, the extrusion block 8 is further limited, and the problem that the extrusion block 8 is separated from the limiting groove can be solved.

Referring to fig. 2, one end of the connecting rope 6, which is far away from the pulling block 5, is fixed to the top of the extrusion block 8, and the connecting rope 6 is wound around the outer wall of the fixed pulley 7, so that when the connecting rope 6 is pulled, the friction resistance can be reduced by the fixed pulley 7, and the extrusion block 8 can be pulled to slide on the inner wall of the chute conveniently.

Referring to fig. 1, the number of the pulling blocks 5 is two, the two pulling blocks 5 are symmetrically arranged along the vertical centerline of the protective cover 2, and the protective cover 2 can be mounted more effectively by the symmetrically arranged pulling blocks 5, so that the protective cover 2 cannot fall off when the automobile bumps.

The working principle of the utility model is as follows: when the bolt 1 is used, the bolt 1 is connected with the first screw pad 4 and the second screw pad 10, the bolt 1 is connected with an article, after the connection is completed, the protective sleeve 2 is clamped on the outer wall of the bolt 1, when the extrusion block 8 is contacted with the limiting groove at the top of the first screw pad 4, the limiting groove extrudes the extrusion block 8, so that the extrusion block 8 can slide on the inner wall of the sliding groove to extrude the spring 9, when the extrusion block 8 enters the limiting groove, the spring 9 drives the extrusion block 8 to reset, so that the protective sleeve 2 is fixed, the rubber pad 3 is contacted with the outer wall of the article, so that external water can be prevented from entering the joint of the bolt 1, the problem of corrosion of the joint of the bolt 1 is avoided, when the bolt 1 needs to be disassembled, the pull block 5 is pulled, the pull rope 6 of the pull block 5 pulls the connection rope 6 under the action of the fixed pulley, the connection rope 6 pulls the slide block 8 to slide on the inner wall of the sliding groove, so that the slide block 8 extrudes the spring 9, so that the slide block 8 is separated from the inside of the limit groove, the protective sleeve 2 is taken down, and the bolt 1 is disassembled.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides an anticorrosive fastener for car, includes bolt (1), its characterized in that: the outer wall cover of bolt (1) is equipped with first spiral shell pad (4) and second spiral shell pad (10), and the top of bolt (1) is provided with protective sheath (2) to the inside of protective sheath (2) is seted up with bolt (1) outer wall assorted hexagonal groove, the top of protective sheath (2) is provided with draws piece (5), and draws the inside that piece (5) bottom is located protective sheath (2) and be fixed with and connect rope (6), fixed pulley (7) are installed through the pivot in the inside of protective sheath (2), the bottom of protective sheath (2) inner wall is provided with extrusion piece (8), and one side of extrusion piece (8) is fixed with spring (9), the bottom of protective sheath (2) is fixed with rubber pad (3).

2. The corrosion-resistant fastener for the automobile as claimed in claim 1, wherein: the bottom end in the protective sleeve (2) is provided with a sliding groove matched with the extrusion block (8), and the inner wall of the sliding groove is fixed with one end of the spring (9).

3. The corrosion-resistant fastener for the automobile as claimed in claim 1, wherein: and the top of the first screw pad (4) is provided with a limit groove matched with the extrusion block (8).

4. The corrosion-resistant fastener for the automobile as claimed in claim 1, wherein: one end, far away from the pulling block (5), of the connecting rope (6) is fixed to the top of the extrusion block (8), and the connecting rope (6) is wound on the outer wall of the fixed pulley (7).

5. The corrosion-resistant fastener for the automobile as claimed in claim 1, wherein: the number of the pull blocks (5) is two, and the two pull blocks (5) are symmetrically arranged along the vertical middle line of the protective sleeve (2).

Images