CN217152629U

CN217152629U - Spherical pin assembly with damping groove

Info

Publication number: CN217152629U
Application number: CN202121856650.8U
Authority: CN
Inventors: 陶涛
Original assignee: Penglai Mingrui Energy Saving Technology Co ltd
Current assignee: Penglai Mingrui Energy Saving Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-08-09
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to a spherical pin assembly with a damping groove, belonging to the technical field of automobile accessories, comprising a spherical pin, wherein the spherical pin is a cylindrical structure with a spherical middle part, connecting holes are arranged at two ends of the spherical surface, the spherical pin assembly also comprises a non-metal bush which is integrally molded on the spherical surface of the spherical pin, and the non-metal bush and the spherical pin can rotate relatively; the nonmetal lining is of a cylindrical structure with a spherical cavity inside, and a plurality of damping grooves for buffering are distributed on the upper end surface and the lower end surface of the nonmetal lining along the circumferential direction in an array mode. The utility model discloses a take spherical pin assembly of shock attenuation groove through setting up the shock attenuation groove, when radial atress, plays the absorbing effect of buffering, cushions when can receiving suddenly when high-speed road surface goes, and because there is automatic compensation in the interior stress contractility of molecular structure in the non-metallic bush, has overcome steel bushing and the insecure and the breakable problem of joint bearing of elastomer bonding, and its security is high, increase of service life has fine market prospect.

Description

Spherical pin assembly with damping groove

Technical Field

The utility model relates to a sphere round pin assembly especially relates to a take sphere round pin assembly of shock attenuation groove, and it belongs to auto-parts technical field.

Background

The thrust rod joint is a spherical pin, a split joint bearing, a bearing outer ring and a steel sleeve, wherein the steel sleeve is added with the steel sleeve, and the outer circle of the steel sleeve is bonded with a vulcanized elastomer, so that the process is complex, but the structure has the defects of high cost, insecure bonding between the elastomer and the steel sleeve, fragility, change of bridge distance, tire eating and the like, accidents can be caused in severe cases, the normal operation and safety of the whole vehicle body are influenced, and the conventional thrust rod joint has insufficient buffering capacity and is difficult to bear loads from the axial direction and the radial direction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: in order to overcome the defects in the prior art, the spherical pin assembly with the damping groove is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a spherical pin assembly with a damping groove comprises a spherical pin, wherein the spherical pin is of a cylindrical structure with a spherical middle part, connecting holes are formed in two ends of the spherical surface, the spherical pin assembly also comprises a non-metal bushing integrally injected on the spherical surface of the spherical pin, and the non-metal bushing and the spherical pin can rotate relatively; the nonmetal lining is of a cylindrical structure with a spherical cavity inside, and a plurality of damping grooves for buffering are distributed on the upper end surface and the lower end surface of the nonmetal lining along the circumferential direction in an array mode.

Furthermore, the upper end face and the lower end face of the non-metal bushing extend inwards along the circumferential direction to form a baffle, and the baffle covers the top of the damping groove.

Furthermore, the surfaces of two end parts of the spherical pin are symmetrically provided with first annular grooves, and a hoop is clamped in the first annular grooves; the clamp is pressed through the baffle and tightly attached to the baffle.

Furthermore, the anti-interference device further comprises dust covers, wherein the dust covers are in interference fit with two ends of the spherical pin and are arranged on the tops of the non-metal bushings in a covering mode, and the clamp and the baffle are located between the clamp and the non-metal bushings.

Further, the dust cover and the side of the spherical pin end portion which is close to each other extend inwards to form a second annular groove, and a spring is connected inside the second annular groove.

Furthermore, an end cover is connected to the top of the dust cover, and the periphery of the end cover coincides with the peripheries of the baffle plate and the non-metal bushing.

Further, the section of the damping groove is trapezoidal.

Compared with the prior art, the beneficial effects of the utility model are that: the spherical pin and the non-metal bushing rotate relatively, 360-degree rotation can be realized, and radial torsion and transverse torsion can be effectively eliminated; by arranging the damping grooves, the damping grooves play a role in buffering and damping when stressed in the radial direction, and can buffer when suddenly impacted when running on a high-speed road surface; through adopting the non-metallic bush, the internal stress contractility of the molecular structure of the non-metallic bush has automatic compensation, the cost can be reduced, the problems that the steel sleeve and the elastomer are not firmly bonded and the knuckle bearing is fragile are solved, the safety is high, the service life is prolonged, and the market prospect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the spherical pin and non-metallic bushing of the present invention;

fig. 3 is a schematic view of the damping groove of the present invention.

In the figure, 1, a spherical pin; 2. connecting holes; 3. a non-metallic bushing; 4. a damping groove; 5. a baffle plate; 6. a first annular groove; 7. clamping a hoop; 8. a dust cover; 9. a spring; 10. and (4) end covers.

Detailed Description

The principles and features of the present invention will be described with reference to the accompanying fig. 1 to 3, wherein the examples are provided only for explaining the present invention and are not intended to limit the scope of the present invention.

A spherical pin assembly with a damping groove comprises a spherical pin 1, wherein the spherical pin 1 is of a cylindrical structure with a spherical middle part, connecting holes 2 are formed in two ends of the spherical pin 1, the spherical pin assembly further comprises a non-metal bushing 3 integrally injected on the spherical surface of the spherical pin 1, and the non-metal bushing 3 and the spherical pin 1 can rotate relatively; the nonmetal lining 3 is a cylindrical structure with a spherical cavity inside, a plurality of shock absorption grooves 4 used for buffering are distributed on the upper end surface and the lower end surface of the nonmetal lining respectively along the circumferential array, the cross section of each shock absorption groove 4 is trapezoidal, and the shock absorption grooves 4 play a role in buffering and shock absorption when the thrust rod joint is stressed in the radial direction, so that the thrust rod joint can buffer when being impacted suddenly when running on a high-speed road.

The upper end face and the lower end face of the non-metal bushing 3 extend inwards in the circumferential direction to be provided with a baffle 5, and the baffle 5 covers the top of the damping groove 4.

The surfaces of two end parts of the spherical pin 1 are symmetrically provided with first annular grooves 6, and hoops 7 are clamped in the first annular grooves 6; the clamp 7 presses the baffle 5 and is tightly attached to the baffle 5.

Still include dust cover 8, dust cover 8 interference fit is in spherical surface round pin 1 both ends to cover and establish nonmetal bush 3 top, clamp 7 and baffle 5 are located between the two.

The dust cover 8 and the side of the end part of the spherical pin 1 which is close to each other extend inwards to form a second annular groove, and a spring 9 is connected in the second annular groove.

The top of the dust cover 8 is connected with an end cover 10, the periphery of the end cover 10 is overlapped with the peripheries of the baffle 5 and the non-metal bushing 3, the dust cover 8 is matched with the end cover 10 for use, the sealing performance is good, and the spherical pin assembly can be normally used in muddy water and high and low temperature environments.

This spherical pin assembly of novel structure has automatic compensation through the interior stress contractility of substructure in the non-metallic bush 3, and reduce cost has overcome the insecure and breakable problem of joint bearing of steel bushing and elastomer bonding, and its security is high, increase of service life has fine market prospect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a take spherical pin assembly of shock attenuation groove, includes spherical pin (1), spherical pin (1) is spherical cylindricality structure for the middle part, the both ends of spherical pin (1) are provided with connecting hole (2), its characterized in that: the non-metal bushing is characterized by further comprising a non-metal bushing (3) integrally molded on the spherical surface of the spherical pin (1), wherein the non-metal bushing (3) and the spherical pin (1) can rotate relatively; the nonmetal lining (3) is of a cylindrical structure with a spherical cavity inside, and a plurality of damping grooves (4) for buffering are distributed on the upper end surface and the lower end surface of the nonmetal lining respectively along the circumferential direction in an array manner.

2. The spherical pin assembly with a damping groove of claim 1, wherein: the upper end face and the lower end face of the non-metal bushing (3) are provided with baffle plates (5) in an inward extending mode along the circumferential direction, and the baffle plates (5) are arranged on the tops of the shock absorption grooves (4) in a covering mode.

3. The spherical pin assembly with a damping groove of claim 2, wherein: first annular grooves (6) are symmetrically formed in the surfaces of two end portions of the spherical pin (1), and clamps (7) are clamped in the first annular grooves (6); the clamp (7) presses the baffle (5) and is tightly attached to the baffle (5).

4. The spherical pin assembly with a damping groove of claim 3, wherein: still include dust cover (8), dust cover (8) interference fit is in spherical pin (1) both ends to cover and establish nonmetal bush (3) top, clamp (7) and baffle (5) are located between the two.

5. The spherical pin assembly with a damping groove of claim 4, wherein: and a side of the dust cover (8) close to the end of the spherical pin (1) extends inwards to form a second annular groove, and a spring (9) is connected inside the second annular groove.

6. The spherical pin assembly with a damping groove of claim 5, wherein: the top of the dust cover (8) is connected with an end cover (10), and the periphery of the end cover (10) coincides with the peripheries of the baffle (5) and the non-metal bushing (3).

7. The spherical pin assembly with a damping groove of claim 1, wherein: the section of the damping groove (4) is trapezoidal.