CN211808892U - Automobile plate spring pin shaft - Google Patents
Automobile plate spring pin shaft Download PDFInfo
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- CN211808892U CN211808892U CN201922490728.8U CN201922490728U CN211808892U CN 211808892 U CN211808892 U CN 211808892U CN 201922490728 U CN201922490728 U CN 201922490728U CN 211808892 U CN211808892 U CN 211808892U
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- pin shaft
- shaft body
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- pin
- platform
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Abstract
The utility model discloses an automobile leaf spring pin shaft belongs to the auto-parts field. The oil outlet structure comprises a pin shaft body, an oil outlet groove, an oil duct and an oil outlet hole, wherein a first positioning hole is formed in the pin shaft body close to a first end; a positioning hole is formed in the pin shaft body and is close to the second end; the inner side of the pin shaft body is provided with a lightening hole, the outer side of the first end of the pin shaft body is provided with a rotating thread, and the first end of the pin shaft body is provided with a first conical platform; a cylindrical platform is arranged between the first conical platform and the rotary thread, and an annular arc groove is arranged between the rotary thread and the cylindrical platform. The pin shaft is provided with two positioning holes, so that the position adjustment is realized, the self abrasion is reduced, and the service life is prolonged; and the inside of round pin axle body is equipped with the lightening hole, can increase the shock-absorbing capacity of round pin axle. A first conical platform, a cylindrical platform and an arc groove are additionally arranged at the first end of the pin shaft body; can effectively prevent that the nut is not hard up, prolong the life of round pin axle.
Description
Technical Field
The utility model relates to an auto-parts field, concretely relates to car leaf spring round pin axle.
Background
The automobile plate spring hinge pin is used for fixing a plate spring on a frame through a connecting piece, generally comprises a shaft body, an oil outlet groove is formed in the shaft body, an oil duct is arranged in the shaft body, one end of the oil duct is located at one end face of the shaft body, the other end of the oil duct is located at the oil outlet groove, and a semicircular positioning pin groove used for being matched with a positioning bolt is further formed in the shaft body. But the pin shaft is easy to loosen due to vibration in the long-term use process, and the service life of the pin shaft is influenced; the existing steel plate spring pin is generally in a cylindrical structure. The main function of the front pin shaft of the front steel plate spring is that the steel plate can be extended and stretched after being loaded, and the front steel plate spring can have a normal buffering function. Therefore, the working precision, the service performance and the service life of the automobile can be influenced by the processing quality of the front pin shaft part of the automobile front leaf spring.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the round pin axle is not hard up and weight among the prior art, the utility model provides a subtract heavy, the cushioning nature is strong, improves the car leaf spring round pin axle of life-span.
In order to achieve the above purpose, the present invention is realized by the following technical solutions:
an oil outlet groove is formed in the middle of the pin shaft body, an oil duct is arranged inside the pin shaft body, an oil outlet hole is formed in the right side of the oil duct, the oil outlet hole is fixedly connected with the outlet end of the oil duct, an installation hole is formed in the left side of the oil duct, an oil inlet hole is formed in the left side of the installation hole, the installation hole is fixedly connected with the inlet end of the oil duct, and a positioning hole is formed in the pin shaft body, close to the second end, of the pin shaft body; the inner side of the pin shaft body is provided with a lightening hole, the outer side of the first end of the pin shaft body is provided with a rotating thread, and the first end of the pin shaft body is provided with a first conical platform; a cylindrical platform is arranged between the first conical platform and the rotary thread, and an annular arc groove is arranged between the rotary thread and the cylindrical platform.
Furthermore, the positioning holes are all annular grooves.
Furthermore, the weight-reducing holes are formed in the pin shaft body; and the lightening hole and the oil duct are coaxially arranged.
Further, the cylindrical platform is 0.2mm higher than the rotary thread.
Further, the radius of the lightening hole is 1/2 of the inner diameter of the pin shaft body.
The utility model discloses car leaf spring round pin axle, its beneficial effect lies in:
(1) the positioning holes realize position adjustment, reduce self abrasion and prolong the service life; and the inside of round pin axle body is equipped with the lightening hole, can increase the shock-absorbing capacity of round pin axle.
(2) A first conical platform, a cylindrical platform and an arc groove are additionally arranged at the first end of the pin shaft body; can effectively prevent that the nut is not hard up, prolong the life of round pin axle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Fig. 1 is a schematic structural diagram of the present invention;
the novel oil-gas separation structure comprises a pin shaft body 1, an oil outlet groove 2, an oil duct 3, an oil outlet hole 4, a mounting hole 5, an oil inlet hole 6, a first end 7, a second end 8, a positioning hole 9, a lightening hole 10, a rotating thread 11, a first conical platform 12, a cylindrical platform 13 and an arc groove 14.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
An automobile leaf spring pin shaft comprises a pin shaft body 1, wherein an oil outlet groove 2 is formed in the middle of the pin shaft body 1, an oil duct 3 is arranged inside the pin shaft body 1, an oil outlet hole 4 is formed in the right side of the oil duct 3, the oil outlet hole 4 is fixedly connected with the outlet end of the oil duct 3, a mounting hole 5 is formed in the left side of the oil duct 3, an oil inlet hole 6 is formed in the left side of the mounting hole 5, the mounting hole 5 is fixedly connected with the inlet end of the oil duct 3, and a first positioning hole 9 is formed in the pin shaft body 1, close; a second positioning hole 9 is formed in the pin shaft body 1 and close to the second end 8; the first positioning hole 9 and the second positioning hole 9 are both annular grooves; the inner side of the pin shaft body 1 is provided with lightening holes 10, and the lightening holes 10 are arranged in the pin shaft body 1; the lightening holes 10 are coaxially arranged with the oil duct 3; the radius of the lightening hole 10 is 1/2 of the inner diameter of the pin shaft body 1. The outer side of the first end 7 of the pin shaft body 1 is provided with a rotating thread 11, and the first end 7 of the pin shaft body 1 is provided with a first conical platform 12; a cylindrical platform 13 is arranged between the first conical platform 12 and the rotary thread 11, and the cylindrical platform 13 is 110.2mm higher than the rotary thread. An annular arc groove 14 is arranged between the rotary screw thread 11 and the cylindrical platform 13.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides an automobile leaf spring round pin axle which characterized in that: the hinge pin comprises a hinge pin body, wherein an oil outlet groove is formed in the middle of the hinge pin body, an oil duct is arranged in the hinge pin body, an oil outlet hole is formed in the right side of the oil duct, the oil outlet hole is fixedly connected with the outlet end of the oil duct, an installation hole is formed in the left side of the oil duct, an oil inlet hole is formed in the left side of the installation hole, the installation hole is fixedly connected with the inlet end of the oil duct, and a positioning hole is formed in the hinge pin; the inner side of the pin shaft body is provided with a lightening hole, the outer side of the first end of the pin shaft body is provided with a rotating thread, and the first end of the pin shaft body is provided with a first conical platform; a cylindrical platform is arranged between the first conical platform and the rotary thread, and an annular arc groove is arranged between the rotary thread and the cylindrical platform.
2. The automotive leaf spring pin of claim 1, wherein: the positioning hole is an annular groove.
3. The automotive leaf spring pin of claim 1, wherein: the weight reducing holes are formed in the pin shaft body; and the lightening hole and the oil duct are coaxially arranged.
4. The automotive leaf spring pin of claim 1, wherein: the cylindrical platform is 0.2mm higher than the rotary thread.
5. The automotive leaf spring pin of claim 1, wherein: the radius of the lightening hole is 1/2 of the inner diameter of the pin shaft body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490728.8U CN211808892U (en) | 2019-12-31 | 2019-12-31 | Automobile plate spring pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490728.8U CN211808892U (en) | 2019-12-31 | 2019-12-31 | Automobile plate spring pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211808892U true CN211808892U (en) | 2020-10-30 |
Family
ID=73041131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922490728.8U Active CN211808892U (en) | 2019-12-31 | 2019-12-31 | Automobile plate spring pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211808892U (en) |
-
2019
- 2019-12-31 CN CN201922490728.8U patent/CN211808892U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |