CN219215142U

CN219215142U - Automobile steering torsion bar

Info

Publication number: CN219215142U
Application number: CN202320761801.4U
Authority: CN
Inventors: 彭四兰; 卓超峰; 辛帅涛; 董西杰
Original assignee: Zhejiang Huixuan Auto Parts Co ltd
Current assignee: Zhejiang Huixuan Auto Parts Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-20
Anticipated expiration: 2033-04-10

Abstract

The utility model provides an automobile steering torsion bar which comprises a steering torsion bar body, wherein the steering torsion bar body consists of a steel piece torsion bar section, a first connecting section and a second connecting section, one end of the steel piece torsion bar section is fixedly provided with the first connecting section which is connected into a whole, the other end of the steel piece torsion bar section is fixedly provided with the second connecting section which is connected into a whole, and one side of the second connecting section is provided with an annular groove. According to the utility model, the annular groove is formed in the surface of the second connecting section of the steering torsion bar body, and the rubber O-shaped ring is sleeved in the annular groove, so that when the steering torsion bar body is assembled with the through hole formed in the surface of the accessory, the assembling gap is sealed through the rubber O-shaped ring, the outflow of lubricating oil in the through hole in the assembling process is effectively avoided, the lubricating function and time of the joint of the steering torsion bar body and the accessory are reduced, and the service life of the steering torsion bar body is influenced.

Description

Automobile steering torsion bar

Technical Field

The utility model belongs to the technical field of automobile parts, and relates to an automobile steering torsion bar.

Background

The automobile steering torsion bar is one of important automobile parts, and is used for transmitting motion and assisting steering, so that the running stability, running safety and service life of tires of the automobile are directly affected.

As shown in fig. 3, the conventional automotive steering torsion bar mainly consists of a steel torsion bar section, a first connecting section and a second connecting section. The accessory matched with the second connecting section is a through hole part, clearance fit is formed between the accessory and the through hole part, and lubricating oil is added during assembly. Therefore, after the automobile steering torsion bar is assembled with the accessory, lubricating oil can flow into the surface of the automobile steering torsion bar, the lubricating function and the lubricating time required by other parts are reduced, the integral cleaning of the automobile steering torsion bar can be affected, in addition, after the automobile steering torsion bar is assembled with the accessory, the assembly is drilled and a pin is assembled, and because the automobile steering torsion bar is in clearance fit with the accessory, the assembly has large positioning difficulty when small holes are machined, and the assembly efficiency is reduced.

Disclosure of Invention

The utility model aims to provide an automobile steering torsion bar, which solves the problems that lubricating oil can flow into the surface of the automobile steering torsion bar after the automobile steering torsion bar and a counter part are assembled in the prior art, and the lubricating function and the lubricating time required by the automobile steering torsion bar are reduced.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an automobile turns to torsion bar, includes turns to the torsion bar body, turn to the torsion bar body and constitute by steel torsion bar section, first linkage segment and second linkage segment, the fixed first linkage segment that links as an organic wholely that is equipped with of one end of steel torsion bar section, the fixed second linkage segment that links as an organic wholely that is equipped with of the other end of steel torsion bar section, the ring channel has been seted up to one side of second linkage segment, the inside cover of ring channel is equipped with rubber O type circle, the assembly aperture has been seted up at the middle part of second linkage segment.

The purpose of setting up like this is through seting up the ring channel at the surface of second linkage segment, through the inside rubber O type circle that the cover was established of ring channel, can seal the joint gap at the in-process of assembly, effectually avoided lubricating oil to flow, through seting up of assembly aperture, conveniently turn to the assembly of torsion bar body, replace traditional seting up the assembly aperture to the sub-assembly, the processing degree of difficulty is big, assembly efficiency low problem.

In the above-mentioned automobile steering torsion bar, the second connecting section is connected with the through hole clearance fit that the accessory surface was seted up, the connecting hole with the assembly aperture matching has all been seted up to the both sides of through hole. The purpose of setting like this is through connecting hole and the alignment of assembly aperture position, and the convenience assembles the pin and inserts, has improved the fastness that turns to torsion bar body and accessory connection.

In the automobile steering torsion bar, the stress ferrule is sleeved in the assembly small hole, and the assembly pin is inserted between the assembly small hole and the connecting hole. The purpose of this arrangement is to achieve a connection of the steering torsion bar body with the fitting by insertion of the fitting pin.

In the above-mentioned automotive steering torsion bar, the connection part of the second connection section and the through hole formed in the surface of the fitting is filled with lubricating oil. The purpose of this arrangement is to improve the lubrication function of the steering torsion bar body and the fitting connection through the filling of the lubricating oil.

In the above-described automotive steering torsion bar, the annular groove has the same size as the rubber O-ring, and the rubber O-ring has a thickness greater than the depth of the annular groove. The purpose of setting like this is through the setting of rubber O type circle, can seal assembly through-hole clearance department, has avoided the inside lubricating oil of through-hole to flow out at the in-process of assembly, has guaranteed to turn to the lubrication function and the lubrication time of torsion bar body and accessory junction.

In the above-mentioned automobile steering torsion bar, the groove walls on both sides of the annular groove are provided with the guide grooves. The purpose of this arrangement is to facilitate the assembly of the rubber O-ring.

Compared with the prior art, the automobile steering torsion bar has the advantages that:

1. the annular groove is formed in the surface of the second connecting section of the steering torsion bar body, and the rubber O-shaped ring is sleeved in the annular groove, so that when the steering torsion bar body is assembled with the through hole formed in the surface of the accessory, the assembly gap is sealed through the rubber O-shaped ring, the outflow of lubricating oil in the through hole in the assembly process is effectively avoided, the lubricating function and the lubricating time of the joint of the steering torsion bar body and the accessory are ensured, and the service life of the steering torsion bar body is ensured.

2. Through directly seting up the assembly aperture in the second linkage segment middle part of turning to the body, adopt alone the second linkage segment with to the accessory on drilling, assemble the assembly aperture of two parts and carry out the dress round pin when the part is assembled, single part processing assembly aperture can process together with other processing parts, need not increase the process in addition, machining efficiency is high, and reduce assembly cost, replace current steering torsion bar body and accessory assembly after accomplishing, carry out the assembly mode of drilling to the sub-assembly again, the locating difficulty is big when processing the assembly aperture has been solved the sub-assembly, reduce assembly efficiency's technical problem.

Drawings

Fig. 1 is a schematic perspective view of a steering torsion bar of the present automobile.

Fig. 2 is a schematic sectional view of the structure of the steering torsion bar of the present automobile.

Fig. 3 is a schematic structural view of a conventional automotive steering torsion bar.

In the figure, 1, a steering torsion bar body; 2. a steel torsion bar section; 3. a first connection section; 4. a second connection section; 5. an annular groove; 6. rubber O-rings; 7. assembling small holes; 8. stress collar.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, this car turns to torsion bar is including turning to torsion bar body 1, turn to torsion bar body 1 and constitute by steel torsion bar section 2, first linkage segment 3 and second linkage segment 4, the fixed first linkage segment 3 that links as an organic wholely that is equipped with in one end of steel torsion bar section 2, the fixed second linkage segment 4 that links as an organic wholely that is equipped with in the other end of steel torsion bar section 2, annular channel 5 has been seted up to one side of second linkage segment 4, the inside cover of annular channel 5 is equipped with rubber O type circle 6, seal the clearance of hookup location department through rubber O type circle 6, avoided lubricating oil outflow, guaranteed lubrication function and lubrication time of turning to torsion bar body 1 and accessory junction, guaranteed the life of turning to torsion bar body 1, assembly aperture 7 has been seted up at the middle part of second linkage segment 4, the assembly aperture 7 adopts single part processing, replace the tradition to bore the sub-assembly after accomplishing, assembly efficiency has been improved.

Further, the second connecting section 4 is connected with a through hole formed in the surface of the fitting in a clearance fit manner, and connecting holes matched with the small assembly holes 7 are formed in two sides of the through hole. The stress ferrule 8 is sleeved in the assembly small hole 7, an assembly pin is inserted between the assembly small hole 7 and the connecting hole, and the assembly pin is inserted between the assembly small hole 7 and the connecting hole, so that the steering torsion bar body 1 is conveniently connected with the accessory.

The through hole connection part formed by the second connecting section 4 and the accessory surface is filled with lubricating oil, and the lubrication of the connection part of the steering torsion bar body 1 and the accessory is facilitated through the filling of the lubricating oil.

The size of the annular groove 5 is the same as that of the rubber O-shaped ring 6, the thickness of the rubber O-shaped ring 6 is larger than the depth of the annular groove 5, and the sealing of the rubber O-shaped ring 6 to the assembling gap is ensured by controlling the size of the rubber O-shaped ring 6, so that the outflow of lubricating oil is avoided.

Guide grooves are formed in the groove walls on two sides of the annular groove 5, and the rubber O-shaped ring 6 is conveniently sleeved through the guide grooves.

When the steering torsion bar body 1 is actually manufactured, the surface of the second connecting section 4 of the steering torsion bar body 1 is provided with an annular groove 5, the surface of the annular groove 5 is sleeved with a rubber O-shaped ring 6, and then the middle part of the second connecting section 4 is provided with an assembly small hole 7, so that the manufacturing of the steering torsion bar body 1 is completed.

When the steering torsion bar body 1 is assembled with the accessory, firstly, lubricating oil is injected into the through hole formed in the surface of the accessory, then the second connecting section 4 of the steering torsion bar body 1 is inserted into the through hole, so that the second connecting section 4 is in clearance fit with the through hole, in the process of inserting the second connecting section 4, the connecting part is sealed through the rubber O-shaped ring 6, the lubricating oil in the through hole is prevented from flowing out of a gap, the lubricating function and the lubricating time of the connecting part of the steering torsion bar body 1 and the accessory are ensured, the service life of the steering torsion bar body 1 is ensured, after the clearance fit is finished, the steering torsion bar body 1 is rotated, the assembly small holes 7 formed in the surface of the second connecting section 4 are aligned with the connecting hole formed in the two sides of the through hole, then the assembly pin is inserted into the assembly small holes 7, the assembly between the steering torsion bar body 1 and the accessory is finished, the assembly mode of drilling the assembly piece is replaced after the assembly of the conventional steering torsion bar body 1 and the accessory is finished, and the technical problem of positioning difficulty of the assembly piece is high when the assembly small holes 7 are processed and the assembly efficiency is reduced is solved.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an automobile turns to torsion bar, includes turns to torsion bar body (1), its characterized in that, turn to torsion bar body (1) and constitute by steel torsion bar section (2), first linkage segment (3) and second linkage segment (4), the fixed first linkage segment (3) that link as an organic whole that are equipped with of one end of steel torsion bar section (2), the other end of steel torsion bar section (2) is fixed and is equipped with second linkage segment (4) that link as an organic whole, ring channel (5) have been seted up to one side of second linkage segment (4), rubber O type circle (6) have been overlapped to the inside of ring channel (5), assembly aperture (7) have been seted up at the middle part of second linkage segment (4).

2. The automobile steering torsion bar according to claim 1, wherein the second connecting section (4) is in clearance fit connection with a through hole formed in the surface of the fitting, and connecting holes matched with the small assembly holes (7) are formed in two sides of the through hole.

3. An automotive steering torsion bar according to claim 2, characterized in that the inside of the assembly aperture (7) is sleeved with a stress ferrule (8), and an assembly pin is inserted between the assembly aperture (7) and the connection aperture.

4. An automotive steering torsion bar according to claim 2, characterized in that the connection of the second connecting section (4) with the through-hole provided in the surface of the fitting is filled with lubricating oil.

5. An automotive steering torsion bar according to claim 1, characterized in that the annular groove (5) is the same size as the rubber O-ring (6), the rubber O-ring (6) having a thickness greater than the depth of the annular groove (5).

6. The steering torsion bar of claim 5, wherein the groove walls of the annular groove (5) are provided with guide grooves.