CN210510089U

CN210510089U - Vehicle shock absorber

Info

Publication number: CN210510089U
Application number: CN201920996651.9U
Authority: CN
Inventors: 吴云富
Original assignee: Taizhou Lvjiayi Technology Co ltd
Current assignee: Taizhou Lvjiayi Technology Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-12
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a vehicle shock absorber relates to bumper shock absorber technical field, and it includes the mount pad, advances the pole, stores an oil section of thick bamboo, and wherein mount pad, a storage oil section of thick bamboo are located the both ends of advancing the pole respectively, and advances a pot head that the pole is close to the mount pad and be equipped with the cushion collar, and the cushion collar includes the upper cover body and the lower cover body in proper order from the mount pad in the direction of storing an oil section of thick bamboo, upper cover internal wall and advance pole lateral wall interference fit, the lower cover internal wall and the lateral wall clearance fit who advances the pole. The utility model provides a cushion collar installation hard problem.

Description

Vehicle shock absorber

Technical Field

The utility model belongs to the technical field of the bumper shock absorber technique and specifically relates to an automobile-used bumper shock absorber is related to.

Background

The rear shock absorber of the motorcycle can quickly attenuate impact and vibration caused by changes of the weight, the load and various road conditions of the motorcycle, greatly improve the shock absorption performance of the motorcycle, and improve the adaptability, the comfort, the stability and the safety of riding the motorcycle to different degrees. The existing motorcycle rear shock absorber is composed of an oil storage cylinder, a feed rod, a piston and a lifting ring to form a moving part, and an outer cylinder and an inner cylinder to form an integral moving part which is respectively connected with a frame and a rear bottom fork through the lifting ring and a joint.

In order to avoid the collision between the installation seat of the lifting ring and the oil storage cylinder, the buffer sleeve is arranged on the feeding rod, so that the collision between metals is reduced, the service life of the shock absorber is prolonged, but the buffer sleeve is tightly attached to the feeding rod when being installed so as to avoid sundries from entering between the buffer sleeve and the feeding rod, and the buffer sleeve has small tension and is very laborious when being installed because the thickness ratio of the buffer sleeve is thick.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock absorber for vehicle solves the problem that the cushion collar installation is hard.

The utility model aims at realizing through the following technical scheme:

the utility model provides a shock absorber for vehicle, includes mount pad, advances the pole, stores an oil section of thick bamboo, and wherein mount pad, a storage oil section of thick bamboo are located the both ends of advancing the pole respectively, and advances a pot head that the pole is close to the mount pad and be equipped with the cushion collar, and the cushion collar includes the upper cover body and overlaps the body down in proper order from the mount pad in the direction of storing an oil section of thick bamboo, upper cover internal wall and advance pole lateral wall interference fit, the lower cover internal wall and the lateral wall clearance fit who advances the pole.

By adopting the technical scheme, the buffer sleeve is arranged in sections, and the upper sleeve body is in interference fit with the feeding rod, so that the buffer sleeve and the feeding rod are ensured to be relatively fixed, and impurities are prevented from entering between the feeding rod and the upper sleeve body; the lower sleeve body is in clearance fit with the feeding rod, so that the contact area between the buffer sleeve and the feeding rod is reduced, the tension on the buffer sleeve is reduced, and the installation efficiency of the buffer sleeve is improved.

Preferably: the ratio of the length of the upper sleeve body to the length of the lower sleeve body is 1:2 to 1: 3.

By adopting the technical scheme, the length of the lower sleeve body is 2 times to 3 times that of the upper sleeve body, so that the contact area between the buffer sleeve and the feeding rod can be reduced, and the stability between the upper sleeve body and the feeding rod can be ensured.

Preferably: the difference between the inner diameter and the diameter of the feed rod is 0.5 mm-1.5 mm

By adopting the technical scheme, the inner diameter of the lower sleeve body is 0.5-1.5 mm larger than the diameter of the feeding rod, so that the lower sleeve body is in clearance fit with the feeding rod, and the bending deformation of the lower sleeve body is reduced after the buffer sleeve is stressed.

Preferably: one end of the upper sleeve body close to the lower sleeve body is provided with a guide surface which is convenient for the insertion of the feeding rod into the upper sleeve body.

By adopting the technical scheme, the guide surface is arranged, so that the rod can be conveniently and quickly inserted into the buffer sleeve, and the installation efficiency of the buffer sleeve is improved.

Preferably: the feed rod is fixed with a convex ring, and when the buffer sleeve is sleeved on the feed rod, the convex ring is in matched butt joint with the guide surface.

Adopt above-mentioned technical scheme, through setting up the bulge loop, after the one end that advances the pole and be close to the mount pad inserts the cushion socket, bulge loop and spigot surface butt to avoid the cushion collar to continue to move towards oil storage cylinder, with the stability that improves the cushion collar installation.

Preferably: the diameter of the convex ring is smaller than the inner diameter of the lower sleeve body.

By adopting the technical scheme, the inner diameter of the convex ring is smaller than that of the lower sleeve body, so that when the buffer sleeve is installed, the contact chance between the lower sleeve body and the feeding rod is reduced, and the tension on the buffer sleeve is relieved.

Preferably: the diameter of the outer side surface of the lower sleeve body is gradually reduced from the mounting seat to the direction of the oil storage cylinder.

By adopting the technical scheme, the outer surface of the lower sleeve body is arranged in an inverted round table shape from the mounting seat to the direction of the oil storage cylinder, so that when the buffer sleeve agrees to the contact of the oil storage cylinder, part of acting force is removed, and the surface of the lower sleeve body facing the oil storage cylinder is reduced in tension.

Preferably: a plurality of coaxial annular grooves are formed in the outer side surface of the lower sleeve body, and the annular grooves are axially distributed at intervals along the lower sleeve body.

By adopting the technical scheme, the annular groove is arranged, so that when the buffer sleeve is subjected to the acting force of the oil storage cylinder, the lower sleeve body deforms towards the feeding rod, and part of the acting force is removed, so that the surface of the lower sleeve body towards the oil storage cylinder is reduced in tension.

Preferably: a positioning rod is fixed on the surface of the mounting seat facing the oil storage cylinder, and a jack which is matched and spliced with the positioning rod is arranged on the surface of the upper sleeve body facing the mounting seat.

Adopt above-mentioned technical scheme, through setting up locating lever and jack to accomplish the mount pad with advance the be connected back of pole, with the stability that improves the cushion collar.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the buffer sleeve is arranged in a segmented manner, so that sundries are prevented from entering between the feeding rod and the upper sleeve body, and meanwhile, the contact area between the buffer sleeve and the feeding rod is reduced, and the tension on the buffer sleeve is reduced;

(2) by arranging the guide surface, the feed rod can be conveniently and quickly inserted into the buffer sleeve, so that the installation efficiency of the buffer sleeve is improved;

(3) the outer surface of the lower sleeve body is arranged in an inverted round table shape from the mounting seat to the direction of the oil storage cylinder, so that the surface of the lower sleeve body facing the oil storage cylinder is reduced in tension when the buffer sleeve agrees to contact the oil storage cylinder.

Drawings

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

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

reference numerals: 1. an oil storage cylinder; 2. an inner tube; 3. a piston; 4. feeding a rod; 5. a hoisting ring; 6. a spring pad; 7. a first spring; 8. a buffer sleeve; 81. an upper sleeve body; 82. a lower sleeve body; 9. a mounting seat; 10. positioning a rod; 11. a jack; 12. a sealing block; 13. a buffer spring; 14. oil sealing; 15. a second spring; 16. a spring seat; 17. a guide surface; 18. a convex ring; 19. an annular groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a vehicle shock absorber, including storing an oil section of thick bamboo 1, be provided with inner tube 2 in storing an oil section of thick bamboo 1, be provided with between inner tube 2 and the oil section of thick bamboo 1 with the communicating runner of inner tube 2, it is provided with piston 3 to slide in the inner tube 2, is connected with the pole 4 that advances that stretches out an oil section of thick bamboo 1 on the piston 3, and the end connection of advancing pole 4 has rings 5, is provided with spring pad 6 on the oil section of thick bamboo 1, and the cover is equipped with first spring 7 that is located between spring pad 6 and rings 5 on the connecting rod, advances to overlap on the pole 4 and is equipped with buffer housing 8, and rings 5 are provided with the mount pad 9 of.

Referring to fig. 1 and 2, two fixing rods 10 are fixed on the surface of the mounting seat 9 facing the oil storage cylinder 1, and are uniformly distributed along the circumferential direction of the inlet rod 4; two jacks 11 are arranged on the surface of the buffer sleeve 8 facing the mounting seat 9, and the jacks 11 are matched with the positioning rods 10, so that the mounting stability of the buffer sleeve 8 is improved.

Referring to fig. 1 and 2, the cushion collar 8 includes an upper collar 81 and a lower collar 82, the upper collar 81 and the lower collar 82 are sequentially disposed from the mounting seat 9 toward the oil reservoir 1, and the upper collar 81 and the lower collar 82 are integrally disposed. Wherein, the inner wall of the upper sleeve body 81 is in interference fit with the side wall of the feed rod 4 to prevent sundries from entering between the feed rod 4 and the upper sleeve body 81; the inner wall of the lower sleeve body 82 is in clearance fit with the side wall of the feed rod 4, so that the contact area between the buffer sleeve 8 and the feed rod 4 is reduced, the buffer sleeve 8 is subjected to tension, and the installation efficiency of the buffer sleeve 8 is improved.

Referring to fig. 1 and 2, the ratio of the length of the upper sheath body 81 to the length of the lower sheath body 82 is 1:3 to 1:2, preferably 1:2, so that the contact area between the buffer sleeve 8 and the feed rod 4 can be reduced, and the stability between the upper sheath body 81 and the feed rod 4 can be ensured. The inner diameter of the lower sleeve body 82 is 0.5 mm-1.5 mm larger than the diameter of the feed rod 4, preferably 1mm, so that the lower sleeve body 82 is in clearance fit with the feed rod 4, and the bending deformation of the lower sleeve body 82 is reduced after the buffer sleeve 8 is stressed.

Referring to fig. 1 and 2, the upper case 81 has a guide surface 17 at one end thereof close to the lower case 82, the guide surface 17 is disposed in a circular truncated cone shape in a direction from the mounting seat 9 toward the oil reservoir 1, and preferably, the diameter of the guide surface 17 at one end thereof toward the oil reservoir 1 is equal to the inner diameter of the lower case 82, and the diameter of the other end thereof is equal to the inner diameter of the upper case 81. Thereby facilitating the insertion of the feed rod 4 into the upper housing 81.

Referring to fig. 1 and 2, the feed rod 4 is fixed with the convex rings 18, the convex rings 18 are uniformly arranged along the axial direction of the feed rod 4, and the maximum diameter of the convex rings 18 is smaller than the inner diameter of the lower sleeve body 82. The side of the cross-section of bulge loop 18 can be the setting of round platform shape and with the cooperation butt of spigot surface 17 to after advancing the one end that pole 4 is close to mount pad 9 and inserting buffer sleeve 8, bulge loop 18 and spigot surface 17 butt, with the area of contact of the increase upper cover body 81 with bulge loop 18, thereby not only avoid buffer sleeve 8 to continue to move towards oil storage cylinder 1, still improve the stability of the installation of buffer sleeve 8.

Referring to fig. 1 and 2, the outer side surface diameter of the lower case 82 is gradually reduced from the mount 9 toward the oil reservoir 1. That is, the outer surface of the lower sleeve 82 is disposed in an inverted truncated cone shape in the direction from the mounting seat 9 toward the oil reservoir 1, so that when the buffer sleeve 8 agrees to contact the oil reservoir 1, part of the force is removed to reduce the tension of the surface of the lower sleeve 82 toward the oil reservoir 1.

Referring to fig. 1 and 2, the outer side surface of the lower sleeve 82 is further provided with an annular groove 19, the annular groove 19 is coaxially arranged with the lower sleeve 82, and the annular grooves 19 are uniformly distributed along the axial direction of the lower sleeve 82, so that when the buffer sleeve 8 is subjected to the acting force of the oil storage cylinder 1, the lower sleeve 82 deforms towards the feed rod 4, and part of the acting force is removed, so that the tension of the surface of the lower sleeve 82 towards the oil storage cylinder 1 is reduced. The annular groove 19 is preferably V-shaped.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shock absorber for vehicle, including mount pad (9), advance pole (4), store an oil section of thick bamboo (1), wherein mount pad (9), store an oil section of thick bamboo (1) and be located the both ends of advancing pole (4) respectively, and advance a pot head that pole (4) are close to mount pad (9) and be equipped with buffer sleeve (8), a serial communication port, buffer sleeve (8) include cover body (81) and lower cover body (82) in proper order on mount pad (9) orientation stores the direction of an oil section of thick bamboo (1), upper cover body (81) inner wall with advance pole (4) lateral wall interference fit, lower cover body (82) inner wall with advance the lateral wall clearance fit of pole (4).

2. The vehicle shock absorber according to claim 1, wherein a ratio of a length of the upper housing (81) to a length of the lower housing (82) is 1:2 to 1: 3.

3. The vehicle shock absorber according to claim 1, wherein the inner diameter of the lower housing (82) is different from the diameter of the feed rod (4) by 0.5mm to 1.5 mm.

4. A shock absorber for vehicle according to claim 1, wherein the end of the upper housing (81) near the lower housing (82) is provided with a guide surface (17) for facilitating the insertion of the feed rod (4) into the upper housing (81).

5. A shock absorber for vehicle according to claim 4, wherein a protruding ring (18) is fixed on the feed rod (4), and when the cushion collar (8) is sleeved on the feed rod (4), the protruding ring (18) is in fit abutment with the guide surface (17).

6. A shock absorber for vehicle according to claim 5, wherein the diameter of the collar (18) is smaller than the inner diameter of the lower housing (82).

7. The vehicle shock absorber according to claim 1, wherein the outer side surface diameter of the lower case (82) is gradually reduced from the mount (9) toward the oil reservoir (1).

8. The vehicle shock absorber as claimed in claim 7, wherein the outer side of the lower sleeve body (82) is provided with a plurality of coaxial annular grooves (19), and the annular grooves (19) are axially distributed at intervals along the lower sleeve body (82).

9. The vehicle shock absorber according to claim 1, wherein a positioning rod (10) is fixed on the surface of the mounting seat (9) facing the oil storage cylinder (1), and a jack (11) which is matched and inserted with the positioning rod (10) is arranged on the surface of the upper sleeve body (81) facing the mounting seat (9).