CN210637428U - Shock absorber structure for vehicle - Google Patents

Abstract

The utility model discloses a shock absorber structure for a vehicle, which comprises a shock absorbing cylinder and an air bag unit, wherein the air bag unit is provided with a bag body, a base and a top cover, the upper end and the lower end of the bag body are provided with a set of sleeve parts, for the assembling and installation of the base and the top cover, the outer diameter of the assembling part is provided with an assembling part, and are respectively matched with a binding ring to be bound and tightly pressed, and the end part of the binding part is annularly coated with a metal material to form an outward convex stopping lip part, so that, when the base and the top cover are assembled at the upper end and the lower end of the air bag unit and are tightly sleeved by the collar ring, the binding ring can be limited and positioned by the stopping lip, the phenomenon that the sleeve part slips off from the binding ring due to the increase of the inflation pressure of the bag body is avoided, the bag body, the base and the top cover are tightly combined, and the practicability of the structure is improved.

Description

Shock absorber structure for vehicle

Technical Field

The present invention relates to a shock absorber, and more particularly to a shock absorber structure for a vehicle.

Background

At present, a common air cushion type shock absorber structure for a vehicle is mainly characterized in that a rubber air bag is sleeved on a damping cylinder, the upper end and the lower end of the rubber air bag form a sleeve part, an upper seat and a lower seat are respectively assembled by the sleeve parts at the upper end and the lower end of the rubber air bag, and a binding ring is sleeved outside the sleeve part to tightly fix the upper seat and the lower seat, so that the upper seat and the lower seat are combined with the upper end part and the lower end part of the rubber air bag, the distance between the upper seat and the lower seat can be relatively changed, the air bag is driven to compress or extend, and the air filled in the air bag is matched to achieve the effect of buffering and shock absorption when the vehicle runs.

The known structure can be seen to have some disadvantages, mainly for the following reasons: when the rubber air bag is tightly bound outside the two penetrating and sleeving parts by utilizing the binding rings, because the penetrating and sleeving parts and the binding rings are only in a simple tightening state, when the rubber air bag is inflated, the rubber air bag can be outwards stretched due to the gradual increase of the internal pressure and the penetrating and sleeving parts of the rubber air bag are pulled, so that the penetrating and sleeving parts are slipped off from the binding rings, and the buffering and damping effects of the rubber air bag are further lost, namely the use loss of the known air cushion type shock absorber is a necessity for improvement.

In view of this, the inventor has made experience in manufacturing, developing and designing related products for many years, and has finally obtained a practical utility model after detailed design and careful evaluation aiming at the above-mentioned objects.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that wants to solve lies in providing a vehicle shock absorber structure to the above-mentioned disappearance that prior art exists.

The shock absorber structure for vehicle includes a shock absorber, which includes a shock absorbing cylinder and an air bag unit, the shock absorbing cylinder has a thread section on its outer diameter, and a buffering and inward-contracting mandrel on the top of the shock absorbing cylinder, the air bag unit has an air bag, a base and a top cover assembled on the upper and lower ends of the air bag, the upper and lower ends of the air bag are provided with a set of sleeve parts for assembling the base and the top cover, the outer diameter of the set of sleeve parts is provided with a set of binding parts and is tightly bound by a binding ring, the end of the binding part is annularly coated with a metal material to form an outward convex blocking lip, the center of the base is provided with a combination hole with internal thread screwed on the thread section of the shock absorbing cylinder, an air charging channel is arranged at the eccentric position, and the center of the top cover is provided with a through hole passing through the mandrel.

Preferably, the upper end of the top cover is flared to form an abutting edge.

Preferably, the lower end of the base is flared to form a top edge.

Preferably, the mandrel has an outer diameter with an external threaded section and is adapted to receive a nut.

Preferably, the combination hole of the base is further provided with a ring groove, and an O-ring is embedded in the combination hole.

Compared with the prior art, the utility model has the advantages that: the base and the top cover are assembled at the upper end and the lower end of the airbag unit, when the airbag unit is tightly sleeved by the collar, the collar can be limited and positioned by the collar because the end edge of the collar part with the outer diameter is coated with the metal material to form an annular stop lip, and when the airbag unit is inflated, the phenomenon that the collar part slips from the collar due to the increase of the internal pressure of the airbag can be avoided, so that the tight assembly among the airbag, the base and the top cover is realized, and the practicability of the structure is improved.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a combined cross-sectional view of the present invention;

fig. 4 is a schematic view of the installation of the present invention;

fig. 5 is a schematic view of the compression buffer of the present invention.

Symbolic illustration in the drawings:

10 a shock absorbing cylinder;

11 a threaded section;

12 a mandrel;

121 an external threaded section;

122 screw caps;

20 an airbag unit;

21 a balloon body;

211 a sleeve assembling part;

212 a sheathing part;

213 bundle rings;

214 a metallic material;

215 stopping the lip;

22 a base;

221 abutting against the edge;

222 a combination hole;

223 ring grooves;

224O-ring;

225 a gas-filled flow channel;

23, a top cover;

231 against the rim;

232 are perforated.

Detailed Description

The purpose, characteristics and efficacy of the present invention will be further detailed with reference to the attached drawings as follows:

first, referring to fig. 1 and 2, a shock absorber structure for a vehicle includes a shock absorbing cylinder 10 and an air bag unit 20, the shock absorbing cylinder 10 has a threaded section 11 on the outer diameter, and a buffering and inwardly-contracted mandrel 12 is disposed on the top end of the shock absorbing cylinder 10, the mandrel 12 has an external threaded section 121 on the outer diameter, and is matched with a locking nut 122, the air bag unit 20 has a bag 21, a base 22 and a top cover 23 assembled on the upper and lower end portions of the bag 21, the bag 21 has a set of sleeves 211 on the upper and lower ends for assembling the base 22 and the top cover 23, the sleeves 211 have a set of tightening parts 212 on the outer diameter, and are respectively fastened with a tightening ring 213, and the ends of the set of tightening parts 212 are annularly covered with a metal material 214 to form an outward-convex-shaped stopping lip 215, the lower end portion 221 of the base 22 is outwardly expanded to form a top-leaning edge, a combination hole 222 with internal thread is provided at the center to be screw-assembled on the threaded section 11 of the shock-absorbing cylinder 10, the combination hole 222 is further provided with an annular groove 223 and is matched with and embedded into an O-ring 224, the base 22 is provided with an inflation channel 225 from the eccentric position, the upper end of the top cover 23 is expanded to form a support edge 231, and a through hole 232 is provided at the center to pass through the mandrel 12.

As shown in fig. 2 and 3, the airbag unit 20 is assembled with the top cover 23 and the base 22 by the upper and lower sleeving parts 211, respectively, the abutting edge 221 of the base 22 abuts against the stopping lip 215 of the lower sleeving part 211, the restraining ring 213 is used to tighten the restraining part 212, and the position of the restraining ring 213 is limited by the stopping lip 215, the abutting edge 231 of the top cover 23 abuts against the stopping lip 215 of the upper sleeving part 211, the restraining ring 213 is also used to tighten the restraining part 212, and the position of the restraining ring 213 is limited by the stopping lip 215, thereby completing the assembly of the airbag unit 20, and then the airbag unit 20 is assembled with the shock-absorbing tube 10, the airbag unit 20 is inserted into the shock-absorbing tube 10 through the assembling hole 222 of the base 22, and is screwed and positioned along the threaded section 11, and the assembling hole 222 is further provided with the O-ring 224 by the annular groove 223, so as to ensure the airtight condition between the combination hole 222 and the shock-absorbing cylinder 10, and the spindle 12 is smoothly passed out through the through hole 232 of the top cover 23, thereby completing the assembly of the shock absorber.

In the practical use state of the structure, please refer to fig. 4 and 5, the shock absorber set is disposed between the vehicle body and the wheel axle for supporting and combining, the shock-absorbing cylinder 10 is passed through the vehicle body with the spindle 12 and is locked and tightened by a nut 122, while the top cover 23 of the air bag unit 20 is abutted against the bottom surface of the vehicle body, further, the mandrel 12 and the top cover 23 generate damping and buffering effects on the shock absorbing tube 10 and the airbag unit 20 respectively along with the undulation of the road surface, thereby providing shock absorbing and pressure reducing effects for the traveling of the vehicle body, and the air bag unit 20 injects gas into the bag body 21 through the gas-filling flow channel 225 of the base 22, so that the air bag unit 20 is filled with gas, and the pound of the injected gas is used as the buffer condition of the air bag unit 20, the soft and hard adjustment of the buffering of the air bag unit 20 can be achieved along with the selection of the air filling pound number, and the chassis height of the vehicle body can be adjusted according to the road condition so as to meet the driving requirements of different road conditions.

With the structure of the above embodiment, the following advantages can be obtained: the base 22 and the top cover 23 are assembled by the assembling parts 211 at the upper and lower ends of the airbag unit 20, and when the fastening ring 213 is used for sleeving and fastening, because the assembling part 211 is coated with the metal material 214 from the end edge of the assembling part 212 with the outer diameter and forms the annular stopping lip 215, and the base 22 and the top cover 23 are respectively attached to the stopping lip 215 by the abutting edge 221 and the abutting edge 231, the fastening ring 213 can be reliably limited and positioned by the stopping lip 215, when the airbag unit 20 is inflated, the phenomenon that the assembling part 211 slips off from the fastening ring 213 due to the increase of the internal pressure of the airbag 21 can be avoided, so that the tight combination between the airbag 21 and the base 22 and the top cover 23 is achieved, and the practicability of the structure is improved.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby; all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (5)

1. A shock absorber structure for vehicle is featured as setting a screw thread section at external diameter of shock absorbing cylinder and setting a buffering internal contraction mandrel at top end of shock absorbing cylinder, setting a bag unit with a bag body and a base and a top cover at top and bottom ends of bag body, setting a set of sleeve parts at top and bottom ends of bag body for setting up said base and top cover, setting a set of binding parts at external diameter of said set of sleeve parts and setting a binding ring for tightly binding them, covering metal material to form a convex blocking lip at end of said binding part, setting a combined hole with internal thread at center of base and screw locking it on screw thread section of shock absorbing cylinder and setting an air charging channel at eccentric position and setting a through hole at center of top cover for passing through mandrel.

2. The vehicle shock absorber structure as set forth in claim 1, wherein the upper end portion of the top cover is flared to form an abutment edge.

3. The vehicle shock absorber structure as set forth in claim 1, wherein a lower end portion of the base is flared to form a butting rim.

4. The vehicular shock absorber structure according to claim 1, wherein the spindle has an outer diameter provided with an externally threaded section and is adapted to lock a nut.

5. The shock absorber structure for vehicle as claimed in claim 1, wherein the combination hole of the base further has a ring groove for fitting an O-ring.

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