CN209856293U

CN209856293U - Shock absorber structure for vehicle

Info

Publication number: CN209856293U
Application number: CN201822125424.7U
Authority: CN
Inventors: 陈禾钰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2019-12-27
Anticipated expiration: 2028-12-18

Abstract

The utility model provides a vehicular shock absorber structure, this shock absorber includes a surge drum and an gasbag unit, this gasbag unit has an utricule, and group locate this utricule upper and lower tip a footstock and a receiving seat, the footstock of this gasbag unit, receiving seat and combination are after this receiving seat bottom spacing ring seat is made respectively, and then the montage is fixed, make structural technology comparatively simple, the manufacturing process of this gasbag unit is simplified by a wide margin, help the promotion of gasbag unit manufacturing efficiency, and this utricule lower tip is the buffer part of turning over the formation internal contraction inwards, when making this gasbag unit atress extrude, this utricule can be along buffer part down compression deformation, the atress of balanced this utricule is said, ensure the buffering effect of this gasbag unit, the buffering stability of this utricule is promoted by a wide margin.

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 shock absorber, the peripheries of the upper part and the lower part of the rubber air bag are outwards provided with a hook edge, an upper seat and a lower seat are respectively arranged on the upper part and the lower part of the rubber air bag and are matched and fixed with the hook edge, 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 changed relatively, the air bag is driven to compress or extend, and the air filled in the air bag is matched, so that the effect of buffering and shock absorption can be achieved when the vehicle runs.

The above conventional structures can be seen in detail without discovering the disadvantages, mainly because: the lower seat fixedly arranged on the rubber air bag is assembled with the damping cylinder by arranging a pivot hole at the center, the side edge is provided with an inflation channel, and the top end is provided with an inverted hook part for installing the hook edge of the rubber air bag, so that the whole structure of the lower seat is complex and difficult to process, the manufacturing time is greatly prolonged, the cutting processing on the same raw material block body can additionally increase the waste amount of the raw material, the waste is caused, the cost is increased, and the process efficiency and the economic benefit are lacked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned defect that prior art exists, provide a succinct and the automobile-used shock absorber structure of being convenient for make of structure.

The utility model discloses a vehicle shock absorber structure, which comprises a shock absorbing cylinder and an air bag unit; the outer diameter of the shock absorption cylinder is provided with a threaded section which can be used for installing the air bag unit, and the center of the top end of the air bag unit is also provided with a mandrel which is a damping mandrel in an upward extending mode; the air bag unit is provided with a bag body, a top seat and a bearing seat, the top seat is assembled at the upper end part of the bag body, the bearing seat is assembled at the lower end part of the bag body, the upper end part of the bag body is provided with a clamping part in a ring shape which is firstly necked and then turned outwards, the lower end of the bag body is turned inwards to form an inwards-contracted buffer part, and the end of the buffer part is annularly provided with a buckling part, the center of the top seat is provided with a through hole, and an annular hook part is arranged inwards from the outer periphery of the top seat, the bearing seat is hollow and forms an air chamber, the outer periphery of the upper part of the bearing seat is provided with a clamping ring groove, the lower part of the bearing seat is fixedly provided with a limit ring seat, the central part of the limit ring seat is provided with a lock interface, the limit ring seat is assembled on the thread section of the shock absorption cylinder in a way of being adjustable up and down through the lock interface, and the limit ring seat is also provided with an inflation pore channel communicated with the air chamber.

Optionally, a mandrel of the shock absorbing cylinder penetrates through the through hole of the top seat, an external thread section is arranged on the outer diameter of the mandrel, and the mandrel is locked with a nut through the external thread section.

Optionally, an outward-expanding portion is formed below the bearing seat, the limiting ring seat is fixedly arranged below the bearing seat in a matching manner, and the limiting ring seat is provided with a propping ring wall in cooperation with the outward-expanding portion.

Optionally, an insertion groove is further formed at an end of the lock interface of the limit ring seat, and an O-ring is inserted into the insertion groove.

The utility model discloses have following efficiency: (one), the utility model discloses a back is made respectively to footstock, the socket and the spacing ring seat of gasbag unit, and it is fixed to assemble again, makes comparatively simple on structure and the technology, subtracts the manufacturing process of this gasbag unit by a wide margin, helps the promotion of gasbag unit manufacturing efficiency, reduces the output of waste material simultaneously, reduces the waste of raw materials, promotes the economic benefits of structure preparation.

The lower end of the bag body is a buffer part which is turned inwards to form an inward-shrinkage structure, so that when the air bag unit is extruded under stress, the bag body can be compressed and deformed downwards along the buffer part, the stress of the bag body is balanced, the buffering effect of the air bag unit is ensured, and the buffering stability of the bag body is greatly 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 diagram of the application state and the non-compressive deformation of the present invention.

Fig. 5 is a schematic diagram of the application state and the compressive deformation of the present invention.

In the figure:

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 snap-fit portion; 212 a buffer part; 213 an engaging part; 22 a top seat; 221 perforating;

222 a ring hook part; 23 bearing seats; 231 air chambers; 232 clamping the ring groove; 233 an external expanding part; 24, a limit ring seat;

241 against the chlamydia; 242 lock interface; 243 inflation channel; 244 grooves; 245O-ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Firstly, referring to fig. 1 and 2, a shock absorber structure for a vehicle includes a shock absorbing tube 10 and an air bag unit 20, the shock absorbing tube 10 has a threaded section 11 on the outer diameter for installing the air bag unit 20, a mandrel 12 is further extended upward from the center of the top end, the mandrel is a damping mandrel, the air bag unit 20 has a bag 21, a top seat 22 and a receiving seat 23 assembled on the upper and lower ends of the bag 21, the upper end of the bag 21 is encircled with a snap-in portion 211 by necking and then turning outward, the lower end of the bag 21 is firstly turned inward and extended to form a retracted buffer portion 212, the end of the buffer portion 212 is encircled with a snap-in portion 213, the top seat 22 has a through hole 221 at the center, and an annular hook portion 222 is arranged on the outer periphery, the receiving seat 23 is hollow and penetrates the upper and lower ends to form an air chamber 231, and a snap-in ring groove 232 is arranged on the outer periphery above the receiving seat 23, an outward expanding part 233 is formed below the bearing seat 23 and a limit ring seat 24 is further fixedly arranged, the limit ring seat 24 is further provided with an abutting ring wall 241 along with the outward expanding part 233, a lock port 242 is arranged at the center of the limit ring seat 24 and is assembled on the threaded section 11 of the shock-absorbing cylinder 10 in a vertically adjustable manner through the lock port 242, and the limit ring seat 24 is further provided with an air charging hole 243 communicated with the air chamber 231.

Referring to fig. 1, 2 and 3, the airbag unit 20 is assembled and then installed on the shock tube 10, wherein the upper end of the bag body 21 is fastened and fixed with the ring hook 222 of the top seat 22 by the fastening and embedding portion 211, and the lower end is fastened and fixed with the fastening and embedding portion 213 of the inwardly-retracted cushion portion 212 and the fastening and embedding ring groove 232 of the receiving seat 23, so that the cushion portion 212 is vertically wrapped on the upper half of the receiving seat 23, and a limit ring seat 24 is further fixedly installed below the receiving seat 23, thereby completing the airbag unit 20, and the lock connector 242 of the airbag unit 20 on the limit ring seat 24 is locked to the threaded section 11 after passing through the spindle 12 of the shock tube 10, and the end of the lock connector 242 is further provided with an embedding groove 244 and is fittingly embedded with an O-ring 245 to ensure the airtight state of the lock connector 242, and the spindle 12 passes through the through hole 221 of the top seat 22, the spindle 12 has an external thread section 121 on its outer diameter, and is engaged with a nut 122 to complete the shock absorber structure for vehicle.

In the practical use state of the vehicular shock absorber structure of the present application, please refer to fig. 4 and 5, the shock absorber is assembled between the vehicle body and the wheel axle for supporting and combining, the shock absorbing cylinder 10 is inserted through the vehicle body by the mandrel 12 and locked and tightened by a nut, and the top seat 22 of the airbag unit 20 is abutted against the bottom surface of the vehicle body, so as to generate damping and buffering effects on the shock absorbing cylinder 10 and the airbag unit 20 respectively by the mandrel 12 and the top seat 22 along with the undulation of the road surface, thereby providing the shock absorbing and pressure reducing effects for the vehicle body, and the airbag unit 20 is filled with gas into the air chamber 231 of the receiving seat 23 and the airbag body 21 by the inflation channel 243 of the limit ring seat 24, so that the inside of the airbag unit 20 is filled with gas, and the number of pounds filled with gas is used as the buffering condition of the airbag unit 20, so as to achieve the fine adjustment of buffering hardness of the airbag unit 20 along with the selection of, and adjusting the chassis height of the vehicle body 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 benefits can be obtained: the utility model discloses a back is made respectively to footstock 22, the socket 23 and the spacing ring seat 24 of gasbag unit 20, and it is fixed to assemble again, makes structural technology go up comparatively portably, can subtract this gasbag unit 20's manufacturing process by a wide margin, helps the promotion of gasbag unit 20 manufacturing efficiency, reduces the output of waste material simultaneously, reduces the waste of raw materials, promotes the economic benefits of structure preparation.

In addition, the lower end of the bag body 21 is folded inwards to form an inwards-contracted buffer part 212, so that when the air bag unit 20 is pressed, the bag body 21 is compressed and deformed downwards along the buffer part 212, the pressure of the bag body 21 is balanced, the buffer effect of the air bag unit 20 is ensured, and the buffer stability of the bag body 21 is greatly improved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A shock absorber structure for a vehicle, comprising: a damper cylinder and an air bag unit;

the outer diameter of the shock absorption cylinder is provided with a threaded section which can be used for installing the air bag unit, and the center of the top end of the air bag unit is also provided with a mandrel which is a damping mandrel in an upward extending mode;

the air bag unit is provided with a bag body, a top seat and a bearing seat, the top seat is arranged at the upper end part of the bag body, the bearing seat is arranged at the lower end part of the bag body, the upper end part of the bag body is provided with a clamping and embedding part in a ring which is firstly necked and then turned outwards, the lower end of the bag body is turned inwards to form an inwards-contracted buffer part, and the end of the buffer part is annularly provided with a buckling part, the center of the top seat is provided with a through hole, and an annular hook part is arranged inwards from the outer periphery of the top seat, the bearing seat is hollow and forms an air chamber, the outer periphery of the upper part of the bearing seat is provided with a clamping ring groove, the lower part of the bearing seat is fixedly provided with a limit ring seat, the central part of the limit ring seat is provided with a lock interface, the limit ring seat is assembled on the thread section of the shock absorption cylinder in a way of being adjustable up and down through the lock interface, and the limit ring seat is also provided with an inflation pore channel communicated with the air chamber.

2. The shock absorber structure for vehicle as claimed in claim 1, wherein a spindle of the shock-absorbing cylinder passes through the through hole of the top seat, an outer diameter of the spindle is provided with an external thread section, and the spindle is locked with a nut by the external thread section.

3. The vehicular shock absorber structure as set forth in claim 1, wherein an outward expanding portion is formed below the receiving seat, the retainer ring seat is fixedly disposed below the receiving seat, and the retainer ring seat and the outward expanding portion are provided with a propping ring wall.

4. The structure of a vehicular shock absorber according to claim 1, wherein the lock interface of the retainer ring seat further has a groove in which an O-ring is inserted.