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CN-224224855-U - Automobile swing arm with self-lubricating function

CN224224855UCN 224224855 UCN224224855 UCN 224224855UCN-224224855-U

Abstract

The utility model belongs to the field of automobile swing arms, and particularly relates to an automobile swing arm with a self-lubricating function. The swing arm body is of a cavity structure formed by bending and welding double-layer plates, a groove for filling sponge is formed in the inner side of a connecting cylinder at the connecting end of the swing arm body, a diagonal groove is formed in the inner wall of the ball seat, and the groove is communicated with a first oil filling pipe and a second oil filling pipe led out of the oil storage bag through the first oil filling hole and the second oil filling hole respectively. The oil storage bag and the oil injection pipe are positioned in the cavity of the swing arm body, lubricating oil is conveyed to the connecting cylinder and the ball seat through the hose under the extrusion action of the oil storage bag when the swing arm swings, and uniform lubrication is realized by sponge slow release and diagonal groove guide. According to the self-lubricating structure design, the problems of complicated maintenance and uneven lubrication of traditional manual oiling are solved, the abrasion resistance and the service life of the connecting part of the swing arm are improved, and the self-lubricating structure is suitable for long-acting lubrication requirements of an automobile suspension system.

Inventors

  • YU YUE
  • HUANG JIN
  • ZHOU SHISEN
  • DAI LIRONG
  • LIU BINGRU

Assignees

  • 浙江德明汽车部件有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (8)

  1. 1. An automobile swing arm with self-lubricating function, which is characterized by comprising: A connecting cylinder assembly (2) is arranged at one connecting end of the swing arm body (1), the connecting cylinder assembly (2) comprises a connecting cylinder (201), a groove (202) is formed in the inner side of the connecting cylinder (201), sponge (203) is filled in the groove (202), and a first oil injection hole (204) is formed in the connecting cylinder (201) and the swing arm body (1) together; Ball seat assembly (3) the ball seat assembly (3) comprises a ball seat (301), a diagonal groove (302) is formed in the inner wall of the ball seat (301), and a second oil filling hole (303) is formed in the ball seat (301) and the swing arm body (1) together; The oil storage bag (4), be provided with two output on the oil storage bag (4), two output of oil storage bag (4) cooperate respectively and install first oil filler pipe (5) and second oil filler pipe (6).
  2. 2. The swing arm for a vehicle with self-lubricating function according to claim 1, wherein the plurality of grooves (202) are circumferentially distributed on the connecting cylinder (201) at equal angles.
  3. 3. The swing arm with self-lubricating function according to claim 1, wherein the swing arm body (1) is formed by bending a double-layer plate and welding the edge of the double-layer plate, and a cavity is formed.
  4. 4. The automobile swing arm with the self-lubricating function according to claim 1, wherein the oil storage bag (4), the first oil injection pipe (5) and the second oil injection pipe (6) are all located in the cavity of the swing arm body (1), and the first oil injection pipe (5) and the second oil injection pipe (6) are all hoses.
  5. 5. The swing arm with self-lubricating function according to claim 4, wherein the ends of the first oil filler pipe (5) and the second oil filler pipe (6) are correspondingly matched and installed on the first oil filler hole (204) and the second oil filler hole (303).
  6. 6. The automobile swing arm with the self-lubricating function according to claim 1, wherein the oil storage bag (4) is adhered to the top of the inner wall of the cavity of the swing arm body (1).
  7. 7. The swing arm for an automobile with self-lubricating function according to claim 1, wherein the plurality of diagonal grooves (302) are circumferentially distributed in the ball seat (301) at equal distances.
  8. 8. The swing arm for an automobile with self-lubricating function according to claim 1, wherein the second oil filler hole (303) is communicated with two diagonal grooves (302).

Description

Automobile swing arm with self-lubricating function Technical Field The utility model relates to the field of automobile swing arms, in particular to an automobile swing arm with a self-lubricating function. Background The automobile swing arm is an important part in an automobile suspension system, is mainly used for supporting an automobile body, connecting wheels and a frame, absorbing vibration in the driving process, ensuring the stability and comfort of the automobile, and has the main purpose of supporting the automobile body, and also has a buffer effect and can be flexibly matched with a shock absorber. In the existing automobile swing arm, the problems of untimely lubrication and high maintenance cost usually exist at the connecting part of the swing arm, the traditional lubrication mode is easy to cause the wearing and aggravating of parts due to the loss or uneven distribution of lubricating oil, abnormal sound is generated, even driving safety is affected, the use cost of a user is increased due to frequent maintenance, and the service life and reliability of the swing arm are reduced. Therefore, an automobile swing arm with a self-lubricating function is proposed to solve the above problems. Disclosure of utility model In order to overcome the defects of the prior art, solve the problems that the connection part of the automobile swing arm is not timely lubricated, the maintenance cost is high, and the abrasion of parts is easy to be aggravated due to the loss or uneven distribution of lubricating oil, the utility model provides the automobile swing arm with the self-lubricating function. The technical scheme adopted by the utility model for solving the technical problems is that the automobile swing arm with the self-lubricating function comprises a swing arm body, a ball seat assembly and an oil storage bag. The connecting cylinder assembly is installed at one connecting end of the swing arm body, the connecting cylinder assembly comprises a connecting cylinder, a groove is formed in the inner side of the connecting cylinder, sponge is filled in the groove, and the connecting cylinder and the swing arm body are jointly provided with a first oil filling hole. The ball head seat assembly comprises a ball head seat, a diagonal groove is formed in the inner wall of the ball head seat, and a second oil filling hole is formed in the ball head seat and the swing arm body together. The oil storage bag is provided with two output ends, and the two output ends of the oil storage bag are respectively matched with and provided with a first oil injection pipe and a second oil injection pipe. Preferably, the grooves are plural and distributed circumferentially at equal angles on the connecting cylinder. Preferably, the swing arm body is formed by bending a double-layer plate and welding the edge of the double-layer plate, and a cavity is formed. Preferably, the oil storage bag, the first oil injection pipe and the second oil injection pipe are all located in the cavity of the swing arm body, and the first oil injection pipe and the second oil injection pipe are all hoses. Preferably, the ends of the first oil filler pipe and the second oil filler pipe are correspondingly matched and installed on the first oil filler hole and the second oil filler hole. Preferably, the oil storage bag is adhered to the top of the inner wall of the cavity of the swing arm body. Preferably, the diagonal grooves are a plurality of and are circumferentially distributed in the ball seat at equal intervals. Preferably, the second oil filling hole is communicated with two diagonal grooves. The utility model has the advantages that: 1. According to the utility model, through the structural design of the oil storage bag, the first oil injection pipe, the second oil injection pipe and the structure design, the automatic storage and conveying functions of lubricating oil are realized, the problem of complicated maintenance of traditional manual periodical oil injection is solved, and the convenience and timeliness of swing arm lubrication are improved. 2. According to the utility model, through the structural design of filling the sponge into the groove at the inner side of the connecting cylinder, the continuous slow release function of lubricating oil is realized, the problems that oil is easy to run off and lubrication is not durable in the traditional lubrication mode are solved, and the abrasion resistance and the service life of the connecting part are improved. 3. According to the utility model, through the structural design that the inclined grooves on the inner wall of the ball seat are communicated with the second oil filling holes, the function of uniformly distributing lubricating oil at the ball joint is realized, the problem of local abrasion caused by uneven oil liquid distribution in the traditional lubrication is solved, and the stability and reliability of the swing arm motion are improved. Drawings In order to more