阅读说明：本技术 一种t360悬挂连杆支架 (T360 suspension connecting rod support ) 是由 沈百庆 朱惠全 祁建良 沈永祥 潘志强 韩贵清 于 2021-06-28 设计创作，主要内容包括：本发明涉及汽车零配件领域,具体涉及一种T360悬挂连杆支架。本发明一种T360悬挂连杆支架,包括后旋横向拉杆本体,后旋横向拉杆本体中部设有中部机构,后旋横向拉杆本体两侧设有侧部机构,中部机构包括中部球铰衬套,中部球铰衬套内设置中部球座,中部球座内设置柱销,柱销与中部球座的底部设有压紧圈,压紧圈和柱销间设有第一防尘罩,柱销与中部球铰衬套顶部设有第二防尘罩,侧部机构包括侧部球铰衬套,侧部球铰衬套内设置侧部球座,侧部球座内设置插销座,插销座与侧部球铰衬套底部设有第三防尘罩,插销座与侧部球铰衬套顶部设有第四防尘罩,防尘罩的材料为带有疏油聚四氟乙烯薄膜的橡胶。(The invention relates to the field of automobile parts, in particular to a T360 suspension connecting rod support. The invention relates to a T360 suspension connecting rod support which comprises a rear transverse pull rod body, wherein a middle mechanism is arranged in the middle of the rear transverse pull rod body, lateral mechanisms are arranged on two sides of the rear transverse pull rod body, the middle mechanism comprises a middle spherical hinge bush, a middle ball seat is arranged in the middle spherical hinge bush, a pin is arranged in the middle ball seat, a pressing ring is arranged at the bottom of the pin and the middle ball seat, a first dust cover is arranged between the pressing ring and the pin, a second dust cover is arranged at the top of the pin and the middle spherical hinge bush, the lateral mechanism comprises a lateral spherical hinge bush, a lateral ball seat is arranged in the lateral spherical hinge bush, a pin seat is arranged in the lateral ball seat, a third dust cover is arranged at the bottom of the pin seat and the lateral spherical hinge bush, a fourth dust cover is arranged at the top of the pin seat and the lateral spherical hinge bush, and.)

1. The utility model provides a T360 hangs connecting rod support, includes the back transverse pull rod body of revolving, back transverse pull rod body middle part of revolving is equipped with middle part mechanism, back transverse pull rod body both sides are equipped with lateral part mechanism, its characterized in that: the middle mechanism comprises a middle ball hinge bush, a middle ball seat is arranged in the middle ball hinge bush, a pin is arranged in the middle ball seat, a compression ring is arranged at the bottom of the pin and the middle ball seat, a first dust cover is arranged between the compression ring and the pin, a second dust cover is arranged at the top of the pin and the middle ball hinge bush, the side mechanism comprises a side ball hinge bush, a side ball seat is arranged in the side ball hinge bush, a bolt seat is arranged in the side ball seat, a third dust cover is arranged at the bottom of the bolt seat and the side ball hinge bush, a fourth dust cover is arranged at the top of the bolt seat and the side ball hinge bush, and the first dust cover, the second dust cover, the third dust cover and the fourth dust cover are made of rubber with an oleophobic polytetrafluoroethylene film;

the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film comprises the following steps:

(1) preparing a treatment solution: adding a certain amount of metallic sodium to C₄H₈O and C₁₀H₈In the solution of (1), the mass fraction of the metal sodium is 3-5%, and the solution is stirred at room temperature until the color of the solution appears dark brown or black;

(2) immersing one surface of a polytetrafluoroethylene film to be treated into a treatment solution, taking out and then immersing the polytetrafluoroethylene film in an acetone solution;

(3) taking out from the acetone solution, rinsing with clear water, and naturally drying in the shade;

(4) mixing the Kermoke 205 base coat with toluene, coating the diluted Kermoke 205 base coat on the surface of the side, treated by the treatment solution, of the polytetrafluoroethylene film, and drying after the coating is finished;

(5) mixing the Kernel 252X finish paint with toluene to dilute the Kernel 252X finish paint, coating the diluted Kernel 252X finish paint on the dried Kernel 205 base paint, and drying after coating;

(6) putting the polytetrafluoroethylene membrane treated in the step 5 into a rubber mold, wherein one side of the polytetrafluoroethylene membrane coated with the first paint of Kermoke 205 and the finish paint of Kermoke 252X is opposite to the surface of the rubber structural member to be coated with the membrane, and hot-pressing to ensure that the rubber is fully contacted with the polytetrafluoroethylene in the hot vulcanization process and is tightly bonded;

(7) soaking the other surface of the polytetrafluoroethylene film in a PFTMS toluene solution, and then drying by hot air to ensure that the polytetrafluoroethylene film has oleophobicity;

the rubber comprises the following components: 25-40 parts of styrene butadiene rubber, 0.5-4 parts of anti-aging agent, 95-105 parts of natural rubber and 5-10 parts of nitrile rubber.

2. A T360 suspension link support as claimed in claim 1 wherein: the rubber comprises the following components in percentage by weight: styrene butadiene rubber 31, anti-aging agent 2, natural rubber 100 and nitrile butadiene rubber 7.

3. A T360 suspension link support as claimed in claim 1 wherein: the temperature of hot air in the step 7 of the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film is 60 ℃.

4. A T360 suspension link support as claimed in claim 1 wherein: and (3) drying the rubber with the oleophobic polytetrafluoroethylene film in the manufacturing process step (4) by hot air at the temperature of 60 ℃.

5. A T360 suspension link support as claimed in claim 1 wherein: and (3) immersing the rubber with the oleophobic polytetrafluoroethylene film into the treatment liquid for 3-7min in the manufacturing process step (2), taking out, and then immersing for 3-5min by using an acetone solution.

6. A T360 suspension link support as claimed in claim 1 wherein: and (3) drying in the step (5) of the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film through natural normal temperature drying.

7. A T360 suspension link support as claimed in claim 1 wherein: the first dust cover, the second dust cover, the third dust cover and the fourth dust cover are all fixed through clamp springs.

8. A T360 suspension link support as claimed in claim 1 wherein: and PVC films are arranged between the clamp spring, the first dust cover, the second dust cover, the third dust cover and the fourth dust cover.

9. A T360 suspension link support as claimed in claim 8 wherein: the PVC membrane is glued on first dust cover, second dust cover, third dust cover and fourth dust cover through glue.

10. A T360 suspension link support as claimed in claim 1 wherein: the middle ball seat or the side ball seat is made of polyformaldehyde.

Technical Field

The invention relates to the field of automobile parts, in particular to a T360 suspension connecting rod support.

Background

The automobile suspension system is the whole support system consisting of a spring and a shock absorber between an automobile body and a tire. The suspension system should function to support the vehicle body and improve the ride, and different suspension arrangements will give the driver a different driving experience. The suspension system which looks like a simple appearance integrates various acting forces, determines the stability, comfort and safety of the car and is one of the key parts of the modern car.

The T360 suspension link support is part of a watt's link.

The existing T360 suspension connecting rod bracket is provided with a rubber dust cover, however, the rubber dust cover can be contacted with a lubricant, and the contact life of some kinds of rubber dust covers and the lubricant is reduced, for example, the oil resistance of the commonly used chloroprene rubber is more general.

By using the nitrile rubber, the oil resistance of the rubber can be improved, but the acrylonitrile which is a raw material for producing the nitrile rubber is difficult to store and has certain toxicity; and the nitrile rubber is slightly less elastic.

Disclosure of Invention

The invention hopes to provide a T360 suspension connecting rod bracket, and the specific scheme is as follows:

a T360 suspension connecting rod support comprises a rear rotary transverse pull rod body, a middle mechanism is arranged in the middle of the rear rotary transverse pull rod body, side mechanisms are arranged on two sides of the rear rotary transverse pull rod body, the middle mechanism comprises a middle ball hinge bush, a middle ball seat is arranged in the middle ball hinge bush, a pin is arranged in the middle ball seat, a pressing ring is arranged at the bottom of the pin and the middle ball seat, a first dust cover is arranged between the pressing ring and the pin, a second dust cover is arranged at the top of the pin and the middle ball hinge bush, the side mechanism comprises a side ball hinge bush, a side ball seat is arranged in the side ball hinge bush, a pin seat is arranged in the side ball seat, a third dust cover is arranged at the bottom of the pin seat and the side ball hinge bush, a fourth dust cover is arranged at the top of the pin seat and the side ball hinge bush, the first dust cover and the second dust cover, the third dust hood and the fourth dust hood are made of rubber with oleophobic polytetrafluoroethylene films;

the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film comprises the following steps:

(1) preparing a treatment solution: adding a certain amount of metallic sodium to C₄H₈O and C₁₀H₈In the solution of (1), the mass fraction of the metal sodium is 3-5%, and the solution is stirred at room temperature until the color of the solution appears dark brown or black;

(2) immersing one surface of a polytetrafluoroethylene film to be treated into a treatment solution, taking out and then immersing the polytetrafluoroethylene film in an acetone solution;

(3) taking out from the acetone solution, rinsing with clear water, and naturally drying in the shade;

(4) mixing the Kermoke 205 base coat with toluene, coating the diluted Kermoke 205 base coat on the surface of the side, treated by the treatment solution, of the polytetrafluoroethylene film, and drying after the coating is finished;

(5) mixing the Kernel 252X finish paint with toluene to dilute the Kernel 252X finish paint, coating the diluted Kernel 252X finish paint on the dried Kernel 205 base paint, and drying after coating;

(6) putting the polytetrafluoroethylene membrane treated in the step 5 into a rubber mold, wherein one side of the polytetrafluoroethylene membrane coated with the first paint of Kermoke 205 and the finish paint of Kermoke 252X is opposite to the surface of the rubber structural member to be coated with the membrane, and hot-pressing to ensure that the rubber is fully contacted with the polytetrafluoroethylene in the hot vulcanization process and is tightly bonded;

(7) soaking the other surface of the polytetrafluoroethylene film in a PFTMS toluene solution, and then drying by hot air to ensure that the polytetrafluoroethylene film has oleophobicity;

the rubber comprises the following components: 25-40 parts of styrene butadiene rubber, 0.5-4 parts of anti-aging agent, 95-105 parts of natural rubber and 5-10 parts of nitrile rubber.

The rubber comprises the following components in percentage by weight: styrene butadiene rubber 31, anti-aging agent 2, natural rubber 100 and nitrile butadiene rubber 7.

The temperature of hot air in the step 7 of the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film is 60 ℃.

And (3) drying the rubber with the oleophobic polytetrafluoroethylene film in the manufacturing process step (4) by hot air at the temperature of 60 ℃.

And (3) immersing the rubber with the oleophobic polytetrafluoroethylene film into the treatment liquid for 3-7min in the manufacturing process step (2), taking out, and then immersing for 3-5min by using an acetone solution.

And (3) drying in the step (5) of the manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film through natural normal temperature drying.

The first dust cover, the second dust cover, the third dust cover and the fourth dust cover are all fixed through clamp springs.

And PVC films are arranged between the clamp spring, the first dust cover, the second dust cover, the third dust cover and the fourth dust cover.

The PVC membrane is glued on first dust cover, second dust cover, third dust cover and fourth dust cover through glue.

The middle ball seat or the side ball seat is made of polyformaldehyde.

The invention has the following advantages:

1. the dustproof cover is a rubber dustproof cover with an oleophobic polytetrafluoroethylene film, so that the use of nitrile rubber can be reduced, the ratio of natural rubber to styrene butadiene rubber is increased, and the durability of the dustproof cover is improved to a certain extent through the design of the ratio.

2. The invention discloses a preparation method of a rubber dust cover with an oleophobic polytetrafluoroethylene film, which comprises the steps of firstly increasing the roughness of the polytetrafluoroethylene film through treatment liquid, then cleaning the treatment liquid, then using finish paint, then bonding the polytetrafluoroethylene film and rubber through hot pressing, and finally infiltrating the non-bonded side to make the polytetrafluoroethylene film have oleophobic property (in the prior art, PFTMS is generally added into polytetrafluoroethylene resin powder in a toluene solution for infiltration, but the method is not applicable to the scheme, and only adopts an infiltration mode at one side).

3. The dust covers (the first dust cover, the second dust cover, the third dust cover and the fourth dust cover) are fixed through the clamp springs; and a PVC film is arranged between the clamp spring and the dust cover and is adhered to the dust cover through glue. Through the design, the metal piece (clamp spring) can be further prevented from contacting the dust cover, so that the problem caused by long-term contact of metal and rubber is avoided (the serious consequence that the adhesion phenomenon generated by the nitrile rubber under the condition of long-term contact with the metal can cause the failure of the sealing element; the serious consequence is caused by the intermolecular reaction on the rubber-metal contact surface, the mechanism of the chemical reaction conversion of the functional group of the rubber-metal reaction on the rubber and the catalytic activity of the metals such as copper, iron, brass, zinc and the like on the nitrile rubber; however, the clamp spring required for fixing the dust cover is generally made of copper or iron, and the problem also exists in natural rubber and metal).

4. The middle ball seat or the side ball seat adopts polyformaldehyde, the polyformaldehyde is an opaque milky crystalline linear polymer, has good comprehensiveness, poor color, high melting point and high crystallinity thermoplastic engineering plastic, is one of varieties with mechanical properties close to those of metals in the plastic, and has good dimensional stability, and excellent water resistance, impact resistance, oil resistance, chemical resistance, wear resistance and the like; and particularly, the polyformaldehyde has smaller sliding friction under the use condition of less oil.

Drawings

FIG. 1 is a first schematic view of a T360 suspension linkage bracket according to the present invention;

FIG. 2 is a cross-sectional view taken in the direction of FIG. 1 c-c;

FIG. 3 is a cross-sectional view taken along the line d-d in FIG. 1;

FIG. 4 is a schematic view of the construction of an intermediate mechanism in a T360 suspension link support of the present invention;

FIG. 5 is a second schematic structural view of a T360 suspension link bracket of the present invention;

wherein the reference numbers: 1. a back-rotating transverse pull rod body; 2. a middle mechanism; 21. a middle ball hinge bushing; 22. a middle ball seat; 23. a pin; 24. a compression ring; 251. a first dust cover; 252. a second dust cover; 3. a side mechanism; 31. a lateral ball hinge bushing; 32. a lateral ball seat; 33. a bolt seat; 341. a third dust hood; 342. a fourth dust hood; 4. and a clamp spring.

Detailed Description

This is further illustrated below in connection with FIGS. 1-5:

a T360 suspension connecting rod support comprises a rear rotary transverse pull rod body 1, a middle mechanism 2 is arranged in the middle of the rear rotary transverse pull rod body 1, side mechanisms 3 are arranged on two sides of the rear rotary transverse pull rod body 1, the middle mechanism 2 comprises a middle spherical hinge bush 21, a middle ball seat 22 is arranged in the middle spherical hinge bush 21, a pin 23 is arranged in the middle ball seat 22, a pressing ring 24 is arranged at the bottom of the pin 23 and the bottom of the middle ball seat 22, a first dust cover 251 is arranged between the pressing ring 24 and the pin 23, a second dust cover 252 is arranged at the top of the pin 23 and the top of the middle spherical hinge bush 21, the side mechanism 3 comprises a side spherical hinge bush 31, a side ball seat 32 is arranged in the side spherical hinge bush 31, a pin seat 33 is arranged in the side ball seat 32, a third dust cover 341 is arranged at the bottom of the pin seat 33 and the side spherical hinge bush 31, a fourth dust cover 342 and the first dust cover 251 are arranged at the top of the pin seat 33 and the side spherical hinge bush 31, the second dust cover 252, the third dust cover 341 and the fourth dust cover 342 are made of rubber with oleophobic polytetrafluoroethylene films;

the first dust cover 251, the second dust cover 252, the third dust cover 341 and the fourth dust cover 342 are all fixed by the clamp spring 4. PVC films are arranged between the clamp spring 4 and the first dust cover 251, the second dust cover 252, the third dust cover 341 and the fourth dust cover 342. The PVC film is adhered to the first dust cover 251, the second dust cover 252, the third dust cover 341 and the fourth dust cover 342 by glue. The dust covers (the first dust cover 251, the second dust cover 252, the third dust cover 341 and the fourth dust cover 342) are fixed by the clamp spring 4; and set up the PVC membrane between jump ring 4 and the dust cover, the PVC membrane passes through glue and glues on the dust cover. Through the design, the metal piece (the clamp spring 4) can be further prevented from contacting the dust cover, so that the problem caused by long-term contact of metal and rubber is avoided (the serious consequence that the adhesion phenomenon generated by the nitrile rubber under the condition of long-term contact with the metal can cause the failure of the sealing element; the serious consequence is caused by the intermolecular reaction on the rubber-metal contact surface, the mechanism of the chemical reaction conversion of the functional group of the rubber-metal reaction on the rubber and the catalytic activity of the oxidation conversion reaction of the metals such as copper, iron, brass, zinc and the like on the nitrile rubber; however, the clamp spring required for fixing the dust cover is generally made of copper or iron, and the problem also exists in natural rubber and metal).

The middle ball seat 22 or the side ball seat 32 is made of polyoxymethylene. Polyformaldehyde is an opaque milky crystalline linear polymer, has good comprehensiveness, poor color, high melting point and high crystallinity thermoplastic engineering plastic, is one of varieties with mechanical properties close to those of metals in the plastic, and has good dimensional stability, water resistance, impact resistance, oil resistance, chemical resistance, wear resistance and the like; and particularly, the polyformaldehyde has smaller sliding friction under the use condition of less oil.

The invention relates to a T360 suspension connecting rod support, wherein a pin 23 can rotate by about 2 degrees, and a pin seat 33 can rotate by about 9 degrees.

The manufacturing process of the rubber with the oleophobic polytetrafluoroethylene film comprises the following steps:

(1) preparing a treatment solution: adding a certain amount of metallic sodium to C₄H₈O and C₁₀H₈In the solution of (1), the mass fraction of the metal sodium is 3-5%, and the solution is stirred at room temperature until the color of the solution appears dark brown or black;

(2) immersing one surface of a polytetrafluoroethylene film to be treated into the treatment solution, taking out, and then immersing in an acetone solution (immersing in the treatment solution for 3-7min, taking out, and then immersing in the acetone solution for 3-5 min);

(3) taking out from the acetone solution, rinsing with clear water, and naturally drying in the shade;

(4) mixing the Kermoke 205 base coat with toluene, coating the diluted Kermoke 205 base coat on the surface of the side, treated by the treatment solution, of the polytetrafluoroethylene membrane, and drying (drying by hot air at the temperature of 60 ℃) after the coating is finished;

(5) mixing the Kernel Rocker 252X finish paint with toluene, diluting the Kernel Rocker 252X finish paint, coating the diluted Kernel Rocker 252X finish paint on the dried Kernel 205 base paint, and drying (naturally drying at normal temperature) after the coating is finished;

(6) putting the polytetrafluoroethylene membrane treated in the step 5 into a rubber mold, wherein one side of the polytetrafluoroethylene membrane coated with the first paint of Kermoke 205 and the finish paint of Kermoke 252X is opposite to the surface of the rubber structural member to be coated with the membrane, and hot-pressing to ensure that the rubber is fully contacted with the polytetrafluoroethylene in the hot vulcanization process and is tightly bonded;

(7) soaking the other surface of the polytetrafluoroethylene film in a PFTMS toluene solution, and then drying the polytetrafluoroethylene film by hot air (the temperature is 60 ℃) to ensure that the polytetrafluoroethylene film has oleophobicity;

the rubber comprises the following components in percentage by weight: styrene butadiene rubber 31, anti-aging agent 2, natural rubber 100 and nitrile butadiene rubber 7.

The above-mentioned embodiments are only used for explaining the inventive concept of the present invention, and do not limit the protection of the claims of the present invention, and any insubstantial modifications of the present invention using this concept shall fall within the protection scope of the present invention.