CN216407471U - Novel spherical pin assembly - Google Patents
Novel spherical pin assembly Download PDFInfo
- Publication number
- CN216407471U CN216407471U CN202121622728.XU CN202121622728U CN216407471U CN 216407471 U CN216407471 U CN 216407471U CN 202121622728 U CN202121622728 U CN 202121622728U CN 216407471 U CN216407471 U CN 216407471U
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- bushing
- pipe fitting
- metal
- metal pipe
- pin shaft
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Abstract
The utility model relates to a novel spherical pin assembly, which belongs to the technical field of spherical pins and comprises a pin shaft and a shaft sleeve, wherein the pin shaft and the shaft sleeve can rotate relatively; the shaft sleeve sequentially comprises a non-metal bushing, a metal pipe fitting and an elastic body from an inner layer to an outer layer; the nonmetal bushing and the metal pipe fitting are connected in an over-hard matching mode, the elastomer is connected to the outer surface of the metal pipe fitting in an adhesive mode, and the pin shaft is connected to the inside of the nonmetal bushing in a rotating mode; and baffles are arranged at two ends of the elastic body along the circumferential direction. According to the novel spherical pin assembly, the annular bulge is arranged on the pin shaft, so that the non-metal bushing can be fixed to prevent the non-metal bushing from moving left and right; this novel structure need not forge, can reduce the processing cost, and improves life, satisfies the market demand.
Description
Technical Field
The utility model relates to a spherical pin, in particular to a novel spherical pin assembly, and belongs to the technical field of spherical pins.
Background
The automobile thrust rod is an important accessory of an automobile, is usually arranged between an axle and the axle and is connected with a suspension for paired use, the thrust rod is arranged on a frame through a spherical pin, the spherical pin is arranged in a pin connection hole at the end of the thrust rod through a sealing ring, the existing spherical pin is adhered by an elastic body, and two ends of the elastic body are provided with baffles; the rubber and the spherical pin are completely distorted and deformed, and the rubber is easy to be distorted, so that the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: in order to overcome the defects in the prior art, a novel spherical pin assembly is provided.
The technical scheme for solving the technical problems is as follows:
a novel spherical pin assembly comprises a pin shaft and a shaft sleeve, wherein the pin shaft and the shaft sleeve can rotate relatively; the shaft sleeve sequentially comprises a non-metal bushing, a metal pipe fitting and an elastic body from an inner layer to an outer layer; the nonmetal bushing and the metal pipe fitting are connected in an interference fit manner, the elastomer is connected to the outer surface of the metal pipe fitting in a sticky manner, and the pin shaft is rotatably connected inside the nonmetal bushing; and baffles are arranged at two ends of the elastic body along the circumferential direction.
Furthermore, the pin shaft is composed of an end part and a middle part which are integrally formed, the end part is distributed at two ends of the middle part, and the diameter of the end part is larger than that of the middle part; two annular bulges used for fixing the non-metal bushing are arranged on the middle part at intervals, and a first annular groove is formed between the two annular bulges.
Furthermore, the non-metal bushing is of a cylinder-shaped structure with an arc-shaped outer surface, a cylindrical cavity is formed inside the non-metal bushing, and second annular grooves matched with the annular bulges are formed in two ends of the cavity.
Furthermore, the metal pipe fitting is of a cylinder-shaped structure with an arc-shaped outer surface, and a cavity matched with the shape of the nonmetal lining is formed inside the metal pipe fitting.
Furthermore, the end part of the pin shaft is of a flat structure, and a connecting hole is formed in the end part.
Still further, the thickness of the non-metallic bushing and the elastomer is greater than the thickness of the metal pipe.
Compared with the prior art, the utility model has the beneficial effects that: the thrust rod joint has three main forces in use: the elastic body can play a good role in buffering and weight reduction when the thrust rod is subjected to radial push-pull force by arranging a novel spherical pin structure; when the joint is subjected to radial torsion, the pin shaft and the nonmetal lining are in running fit, so that the radial torsion is completely eliminated by the pin shaft and the nonmetal lining; when the thrust rod is subjected to transverse torsion, the cambered surface elastic body of the metal sleeve can reduce the torsion; the annular bulge is arranged on the pin shaft, so that the nonmetal lining can be fixed to prevent the nonmetal lining from moving left and right; this novel structure need not forge, can reduce the processing cost, and improves life, satisfies the market demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the pin shaft of the present invention;
FIG. 3 is a schematic structural view of the bushing of the present invention;
fig. 4 is a side view of the end of the pin of the present invention.
In the figure, 1, a pin shaft; 101. an end portion; 102. a middle part; 2. a shaft sleeve; 201. a non-metallic bushing; 202. a metal pipe fitting; 203. an elastomer; 3. a baffle plate; 4. an annular projection; 5. a first annular groove; 6. a second annular groove; 7. and connecting the holes.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, which are provided by way of example only to illustrate the present invention and not to limit the scope of the present invention.
A novel spherical pin assembly comprises a pin shaft 1 and a shaft sleeve 2, wherein the pin shaft 1 and the shaft sleeve 2 can rotate relatively; the shaft sleeve 2 comprises a non-metal bushing 201, a metal pipe fitting 202 and an elastic body 203 from an inner layer to an outer layer in sequence; the nonmetal bushing 201 and the metal pipe fitting 202 are connected in an interference fit manner, the elastomer 203 is adhesively connected to the outer surface of the metal pipe fitting 202, and the pin shaft 1 is rotationally connected inside the nonmetal bushing 201; baffles 3 are arranged at two ends of the elastic body 203 along the circumferential direction and used for fixing the elastic body 203; the thickness of the non-metallic bushing 201 and the elastomer 203 is greater than the thickness of the metal pipe 202.
The pin shaft 1 is composed of an end part 101 and a middle part 102 which are integrally formed, the end part 101 is distributed at two ends of the middle part 102, and the diameter of the end part 101 is larger than that of the middle part 102; two annular protrusions 4 for fixing the non-metal bushing 201 are arranged on the middle part 102 at intervals, and a first annular groove 5 is formed between the two annular protrusions 4.
The outer surface of the metal pipe fitting 202 is in an arc-shaped cylinder structure, the inside of the metal pipe fitting is a cavity matched with the shape of the nonmetal lining 201, and the metal pipe fitting 202 and the nonmetal lining 201 are in interference fit.
The end part 101 of the pin shaft 1 is of a flat structure, and as shown in fig. 4, a connecting hole 7 is formed in the end part 101.
The thrust rod joint has three main forces in use: the elastic body 203 can play a good role in buffering and weight reduction when the thrust rod is subjected to radial push-pull force by arranging a novel spherical pin structure; when the joint is subjected to radial torsion, the pin shaft 1 and the nonmetal lining 201 are in running fit, so that the radial torsion is completely eliminated; when the thrust rod receives horizontal torsion, the cambered surface elastomer 203 of metal external member 202 can reduce its torsion, and this novel structure need not forge, can reduce the processing cost, and improves life, satisfies the market demand.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a novel sphere pin assembly which characterized in that: the device comprises a pin shaft (1) and a shaft sleeve (2), wherein the pin shaft (1) and the shaft sleeve (2) can rotate relatively; the shaft sleeve (2) sequentially comprises a non-metal bushing (201), a metal pipe fitting (202) and an elastic body (203) from an inner layer to an outer layer; the non-metal bushing (201) is connected with the metal pipe fitting (202) in an interference fit mode, the elastic body (203) is connected to the outer surface of the metal pipe fitting (202) in a sticky mode, and the pin shaft (1) is connected to the inner portion of the non-metal bushing (201) in a rotating mode; and baffles (3) are arranged at two ends of the elastic body (203) along the circumferential direction.
2. The novel spherical pin assembly as claimed in claim 1, wherein: the pin shaft (1) is composed of an end part (101) and a middle part (102) which are integrally formed, the end part (101) is distributed at two ends of the middle part (102), and the diameter of the end part (101) is larger than that of the middle part (102); two annular bulges (4) used for fixing the non-metal bushing (201) are arranged on the middle part (102) at intervals, and a first annular groove (5) is formed between the two annular bulges (4).
3. The novel spherical pin assembly as claimed in claim 2, wherein: the outer surface of the non-metal bushing (201) is of an arc cylinder-shaped structure, a cylindrical cavity is formed inside the non-metal bushing, and second annular grooves (6) matched with the annular bulges (4) are formed in two ends of the cavity.
4. The novel spherical pin assembly as claimed in claim 1 or 3, wherein: the outer surface of the metal pipe fitting (202) is of an arc-shaped cylinder structure, and a cavity matched with the shape of the nonmetal lining (201) is formed in the metal pipe fitting.
5. The novel spherical pin assembly as claimed in claim 2, wherein: the end part (101) of the pin shaft (1) is of a flat structure, and a connecting hole (7) is formed in the end part (101).
6. The novel spherical pin assembly as claimed in claim 1, wherein: the thickness of the non-metal bushing (201) and the elastomer (203) is larger than that of the metal pipe (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622728.XU CN216407471U (en) | 2021-07-16 | 2021-07-16 | Novel spherical pin assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622728.XU CN216407471U (en) | 2021-07-16 | 2021-07-16 | Novel spherical pin assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407471U true CN216407471U (en) | 2022-04-29 |
Family
ID=81280246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121622728.XU Active CN216407471U (en) | 2021-07-16 | 2021-07-16 | Novel spherical pin assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407471U (en) |
-
2021
- 2021-07-16 CN CN202121622728.XU patent/CN216407471U/en active Active
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