CN216636055U

CN216636055U - Whole casting formula lightweight V type distance rod of full hollow ball round pin

Info

Publication number: CN216636055U
Application number: CN202220253133.XU
Authority: CN
Inventors: 孙法军; 王清刚; 崔现镇; 马西哲; 张宗林; 魏周; 韩磊; 罗维涛; 国淳德; 高综智
Original assignee: Shandong Anbo Mechanical Technology Co ltd
Current assignee: Shandong Anbo Mechanical Technology Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-05-31
Anticipated expiration: 2032-02-08

Abstract

The utility model provides a full-hollow ball pin integrally cast lightweight V-shaped thrust rod, which comprises a V-shaped frame formed by integral casting, wherein a large-end shell is integrally arranged at the large end of the V-shaped frame, and small-end shells are respectively integrally arranged at two sides of the small end of the V-shaped frame; the small end shell is internally provided with a full hollow ball pin, and the full hollow ball pin comprises a hollow pin shaft, a thin-wall steel outer sleeve and a rubber lining; the two ends of the hollow pin shaft are flat, the two ends of the hollow pin shaft are flattened integrally by a seamless steel pipe, the thin-film steel outer sleeve is sleeved at the middle position outside the hollow pin shaft, and the rubber lining is filled between the thin-wall steel outer sleeve and the hollow pin shaft in an injection and vulcanization mode. The friction welding process and the full hollow ball pin are organically combined on the lightweight thrust rod, and the novel structure and the novel process are combined, so that the performance of the thrust rod is improved, the weight is reduced, and the cost performance of the thrust rod is greatly improved.

Description

Whole casting formula lightweight V type distance rod of full hollow ball round pin

Technical Field

The utility model mainly relates to the technical field of vehicle parts, in particular to a full-hollow ball pin integrally cast lightweight V-shaped thrust rod.

Background

At present, the social automobile industry develops rapidly, the requirements for energy conservation and emission reduction are continuously improved, and the research on the light weight of automobiles is more and more widely regarded. The thrust rod of the heavy truck is an important part in an automobile chassis, plays a role in keeping the running posture of an axle, transmitting driving force and braking force and plays an important role in automobile manufacturing. Thus, in the automobile manufacturing industry, the performance requirements of the thrust rod are increasing. For the manufacturing of the thrust rod, optimization is carried out by starting from lightweight structure design, a new material with high strength and lightweight and a new process, so that the aim of automobile lightweight is achieved, and the research direction for optimizing the performance of the automobile chassis component is how to manufacture the qualified thrust rod by the lowest cost, the highest efficiency and the simplest process.

The rubber ball pins at the two ends of the thrust rod are core components of the thrust rod, the design and the performance of the thrust rod are directly determined, the ball pins of the thrust rod with the old structure are of a solid forged pin shaft structure, the weight is large, the production efficiency is low, the material utilization rate is low, the cost is high, the power consumption is large, the mold consumption is large, the equipment investment is large, and the defects of overburning and burning tightness are easy to occur in the heating process.

Meanwhile, the two ends of the connecting pipe are usually heated in the thrust rod production, the shell handle is inserted into the two ends of the connecting pipe, and the riveting is carried out through the press, so that the process is low in efficiency, heavy in weight, low in material utilization rate and high in cost, the over-burning and the non-burning conditions are easy to occur in the heating process, and the production efficiency, the product quality and the cost are greatly limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the full-hollow ball pin integrally cast lightweight V-shaped thrust rod from the practical application by combining the prior art, the performance is improved by deeply optimizing the ball pin of the thrust rod, the weight of the thrust rod is reduced by 50 percent, and the use cost performance of the thrust rod is greatly improved.

The technical scheme of the utility model is as follows:

a full hollow ball pin integral casting type lightweight V-shaped thrust rod comprises a V-shaped frame which is integrally cast, wherein a large end shell is integrally arranged at the large end of the V-shaped frame, and small end shells are integrally arranged on two sides of the small end of the V-shaped frame respectively;

the small end shell is internally provided with a full hollow ball pin, and the full hollow ball pin comprises a hollow pin shaft, a thin-wall steel outer sleeve and a rubber lining; the thin-wall steel outer sleeve is sleeved outside the hollow pin shaft, and the rubber lining is filled between the thin-wall steel outer sleeve and the hollow pin shaft through glue injection and vulcanization.

Furthermore, the hollow pin shaft is made of 35CrMo or 42CrMo thick-wall seamless steel pipe with the outer diameter of 35-44mm and the wall thickness of 7-12 mm.

Furthermore, round holes are formed in two ends of the hollow pin shaft.

Further, the small-end shell is a straight-through shell with an anti-falling groove.

Furthermore, the anti-disengagement groove is a plurality of open grooves formed in the end faces of the two sides of the small-end shell, and the edge of the full-hollow ball pin is pressed and deformed by the tool and then clamped into the open grooves to achieve anti-disengagement

Furthermore, a friction welding hollow ball pin is arranged in the large-end shell.

Further, friction welding hollow ball round pin includes friction welding round pin axle, the rubber body, left retaining ring and right retaining ring, friction welding round pin axle mainly includes left end, right end, and left end, right-hand member pass through the friction welding fixed linking to each other, and left end, right-hand member inboard are hollow structure, the rubber body cover is located outside in the middle of the friction welding round pin axle, and the rubber body both ends set up left retaining ring and right retaining ring.

Furthermore, round holes are formed in two ends of the friction welding pin shaft.

The utility model has the beneficial effects that:

1. according to the utility model, the integral casting of the rod body and the full hollow ball pin are organically combined on the lightweight thrust rod, the novel structure and the novel process are combined, the performance is improved by 15%, the weight reduction effect can reach 50%, the assembly cost of the V-shaped thrust rod is reduced, the number of parts is reduced, the assembly efficiency is improved, and the cost performance of the thrust rod is greatly improved.

2. The full-hollow rubber ball pin provided by the utility model is characterized in that a thrust rod ball pin shaft is manufactured by flattening, tempering and machining two ends of a 35CrMo or 42CrMo thick-wall seamless steel pipe with the outer diameter of 35-44mm and the wall thickness of 7mm-12mm for the first time in the industry, so that the solid forging structure pin shaft of the original thrust rod ball pin is changed, the material utilization rate is improved, the cost is reduced by 60%, and the weight is reduced by 46%.

3. The full-hollow rubber ball pin provided by the utility model adopts the structural design of hollow pin shaft, thin-wall steel sleeve and rubber integrated glue injection and vulcanization, and the structural design of solid forged pin shaft, 2 steel retaining rings and rubber integrated glue injection and vulcanization of the original thrust rod ball pin is abandoned, so that the structure of the thrust rod ball pin is simplified, the number of thrust rod ball pin components is reduced, the weight and the cost of the thrust rod ball pin are reduced, the number of the thrust rod ball pin components is reduced from 3 to 2, and the weight and the cost are reduced.

4. According to the full-hollow rubber ball pin, the hollow pin shaft and the thin-wall steel outer sleeve structure, when glue is injected and vulcanized, the temperature rise speed is increased by 30%, the heating speed of the steel frameworks is faster and more uniform, the vulcanization time is reduced by 20%, the vulcanization performance of the ball pin of the thrust rod is improved, the vulcanization cost of the ball pin of the thrust rod is reduced, and the production efficiency of the ball pin of the thrust rod is improved.

5. In the utility model, the large end of the V-shaped thrust rod adopts the ball pin with a friction welding hollow structure, so that the weight of the large-end ball pin assembly can be further reduced.

6. According to the utility model, the small-end shell adopts a straight-through shell design with the anti-drop groove, the design of a clamp spring groove is cancelled, and 2 check rings for holes are omitted when the small-end full-hollow ball pin is assembled.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of the V-shaped frame structure of the present invention;

FIG. 3 is a schematic view of the structure of the anti-drop groove of the present invention;

FIG. 4 is a schematic structural diagram of a full hollow sphere pin according to the present invention;

FIG. 5 is a schematic view of the structure of a hollow pin shaft according to the present invention;

FIG. 6 is a schematic cross-sectional structure view of the hollow pin shaft of the present invention;

FIG. 7 is a schematic structural view of a thin-walled steel jacket according to the present invention;

FIG. 8 is a schematic structural view of a friction welded hollow sphere pin according to the present invention;

FIG. 9 is a schematic view of a friction welding pin structure according to the present invention;

FIG. 10 is a schematic cross-sectional view of a friction welding pin according to the present invention.

Detailed Description

The utility model is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

As shown in fig. 1 to 10, a schematic structural diagram of an integrally cast lightweight V-shaped thrust rod for a hollow ball pin according to this embodiment is provided.

The V-shaped thrust rod of this embodiment mainly includes integrated casting's V-shaped frame 2, sets up in the big end casing 5 of 2 main ends of V-shaped frame (fixed point end promptly), sets up in two tip casings 4 of 2 tip (open end promptly) of V-shaped frame, and the integrated casting of above-mentioned structure is formed. The V-shaped thrust rod of the present embodiment has a full hollow ball pin 2 mounted in each small end housing 4.

As shown in fig. 4, 5, 6, and 7, the all-hollow ball pin is mainly composed of three parts: the high-strength hollow pin shaft 11, the thin-wall steel outer sleeve 12 and the integrally vulcanized rubber lining 13. The hollow pin shaft 11 is internally of a hollow structure, the middle section of the hollow pin shaft 11 is of a cylindrical structure, the two ends of the hollow pin shaft are of flat structures, and the two flat ends of the hollow pin shaft are provided with round holes 111 for connecting the hollow pin shaft with other parts. The hollow pin 11 is manufactured by flattening, tempering and machining two ends of a thick-wall seamless steel pipe, so that the solid forging structure pin of the original thrust rod ball pin is changed. In this embodiment, the hollow pin 11 preferably uses a 35CrMo or 42CrMo thick-walled seamless steel tube with an outer diameter of 35-44mm and a wall thickness of 7mm to 12mm to ensure the overall performance of the pin. The hollow pin shaft 11 changes the solid forging structure pin shaft of the prior thrust rod ball pin, improves the material utilization rate, reduces the cost by 60 percent and reduces the weight by 46 percent.

The thin-wall steel outer sleeve 12 is sleeved outside the middle cylindrical part of the hollow pin shaft 11, and a rubber lining layer 13 is filled in a gap between the thin-wall steel outer sleeve 12 and the hollow pin shaft 11 in an integrated vulcanization mode. The structural design of the hollow pin shaft 11, the thin-wall steel outer sleeve 12 and the rubber integrated glue injection vulcanized rubber lining 13 is adopted, the structural design of solid forged pin shafts, 2 steel check rings and the rubber integrated glue injection vulcanized structure of the original thrust rod ball pin is abandoned, the structure of the thrust rod ball pin is simplified, the number of thrust rod ball pin components is reduced, the weight and the cost of the thrust rod ball pin are reduced, the number of the thrust rod ball pin components is reduced from 3 to 2, and the weight and the cost are reduced. Meanwhile, the hollow pin shaft and the thin-wall steel outer sleeve structure improve the temperature rise speed by 30 percent during glue injection vulcanization, the heating speeds of the steel frameworks are faster and more uniform, the vulcanization time is reduced by 20 percent, the vulcanization performance of the ball pin of the thrust rod is improved, the vulcanization cost of the ball pin of the thrust rod is reduced, and the production efficiency of the ball pin of the thrust rod is improved.

This V type distance rod combines whole casting, the two of full hollow ball round pin on this lightweight distance rod, improves the not enough of the current structural design of distance rod and production technology, has reduced V type distance rod assembly weight, reduce the cost, has reduced spare part quantity, has improved the packaging efficiency.

Preferably, the small-end shell 4 used for installing the full hollow ball pin 1 is designed to be a straight-through shell with an anti-drop groove, namely, 4 small grooves 41 are formed in two sides of the small-end shell 4, after the full hollow ball pin 1 is installed, the edge of the full hollow ball pin 1 corresponding to the position of the groove 41 is pressed and deformed through a tool to be clamped into the groove 41 to achieve anti-drop, the design of a clamp spring groove is cancelled, and a retainer ring for 2 holes is omitted when the small-end full hollow ball pin 1 is assembled compared with a traditional mode.

Preferably, a friction welded hollow ball pin 3 is installed in the big end housing 5 to further reduce the big end ball pin assembly weight by 30%. Specifically, as shown in fig. 8, 9, and 10, the friction welding hollow ball pin 3 mainly includes a friction welding pin shaft 31, a rubber body 32, a left retainer ring 33, and a right retainer ring 34, the friction welding pin shaft 31 mainly includes a left end 311 and a right end 312, the left end 311 and the right end 312 are fixedly connected by friction welding, the inner sides of the left end 311 and the right end 312 are hollow structures, the rubber body 32 is sleeved on the middle of the friction welding pin shaft 31, and the two ends of the rubber body 32 are provided with the left retainer ring 33 and the right retainer ring 34. The structure of the friction welding hollow ball pin 3 can further reduce the weight of the large end of the V-shaped push rod and can ensure the use performance.

The V-shaped thrust rod of the present embodiment may be manufactured by the following method:

1. the manufacturing method of the hollow ball pin 1 comprises the following steps:

s1, a hollow pin shaft 11 is formed by heating two ends of a 35CrMo or 42CrMo thick-wall seamless steel pipe with the outer diameter of 35-44mm and the wall thickness of 7mm-12mm and then flattening;

s2, carrying out quenching and tempering heat treatment after flattening, and carrying out shot blasting phosphating treatment after drilling;

s3, carrying out phosphating treatment after blanking processing of the thin-wall steel outer sleeve 12;

s4, placing the hollow pin shaft 11 and the thin-wall steel outer sleeve 12 into a vulcanization glue injection mold, performing glue injection vulcanization, and vulcanizing the hollow pin shaft 11, the thin-wall steel outer sleeve 12 and rubber into a whole to form the thrust rod full-hollow rubber ball pin.

2. Casting a V-shaped frame 2, a large-end shell 5 and a small-end shell 4 in an integrated casting mode, and machining corresponding mounting structures at positions;

3. v-shaped thrust rod big end: a friction welding hollow ball pin 3 is adopted, and the friction welding hollow ball pin 3 is arranged in a large-end shell 5 of the V-shaped frame 2;

4. v-shaped thrust rod small end: the full hollow ball pin 1 is pressed into the through type small end shell 4 with the small end provided with the ball pin anti-disengagement groove, 4 points of the full hollow ball pin 1 are pressed into the through type shell 4 with the small end provided with the ball pin anti-disengagement groove in a tooling pressing mode, and the ball pin is prevented from disengaging.

Claims

1. A full hollow ball pin integral casting type lightweight V-shaped thrust rod is characterized by comprising an integrally cast V-shaped frame, wherein a large end shell is integrally arranged at the large end of the V-shaped frame, and small end shells are integrally arranged on two sides of the small end of the V-shaped frame respectively;

the small end shell is internally provided with a full hollow ball pin, and the full hollow ball pin comprises a hollow pin shaft, a thin-wall steel outer sleeve and a rubber lining; the thin-wall steel hollow hinge pin comprises a hollow hinge pin and a thin-wall steel sleeve, wherein two ends of the hollow hinge pin are flat, the hollow hinge pin is integrally formed by flattening two ends of a seamless steel pipe, the thin-wall steel sleeve is sleeved outside the hollow hinge pin, and a rubber lining is filled between the thin-wall steel sleeve and the hollow hinge pin through rubber injection and vulcanization.

2. The all-hollow ball pin integrally cast lightweight V-shaped thrust rod as claimed in claim 1, wherein the hollow pin shaft is made of 35CrMo or 42CrMo thick-walled seamless steel pipe with an outer diameter of 35-44mm and a wall thickness of 7mm-12 mm.

3. The all-hollow ball pin integrally cast lightweight V-shaped thrust rod according to claim 1, wherein round holes are formed at both ends of the hollow pin shaft.

4. The all-hollow-ball-pin integrally-cast lightweight V-shaped thrust rod according to claim 1, wherein the small-end housing is a straight-through housing with anti-coming-out grooves.

5. The all-hollow ball pin integrally cast lightweight V-shaped thrust rod according to claim 4, wherein the anti-disengagement grooves are a plurality of open grooves formed in the end faces of the two sides of the small-end housing, and the edges of the all-hollow ball pin are clamped into the open grooves after being deformed by a tooling press to achieve anti-disengagement.

6. The all-hollow-ball-pin integrally-cast lightweight V-shaped thrust rod of claim 1, wherein a friction-welded hollow ball pin is mounted within the big-end housing.

7. The integrally cast lightweight V-shaped thrust rod for the full hollow ball pin according to claim 6, wherein the friction-welded hollow ball pin comprises a friction-welded pin shaft, a rubber body, a left retainer ring and a right retainer ring, the friction-welded pin shaft mainly comprises a left end head and a right end head, the left end head and the right end head are fixedly connected through friction welding, the inner sides of the left end head and the right end head are hollow structures, the rubber body is sleeved outside the middle of the friction-welded pin shaft, and the left retainer ring and the right retainer ring are arranged at two ends of the rubber body.

8. The all-hollow ball pin integrally cast lightweight V-shaped thrust rod according to claim 7, wherein circular holes are provided at both ends of the friction-welded pin shaft.