CN218112887U

CN218112887U - Shock absorbing buffer structure for bicycle

Info

Publication number: CN218112887U
Application number: CN202222039643.XU
Authority: CN
Inventors: 蔡明达
Original assignee: Dah Ken Industrial Co Ltd
Current assignee: Dah Ken Industrial Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-12-23
Anticipated expiration: 2032-08-04

Abstract

A shock-absorbing buffer structure for bicycle is installed in shock absorber and is composed of a foamed elastic block and a base with a connecting post inserted in the through hole of said foamed elastic block, and the partition plates at the tail ends of said foamed elastic block and in overlapped contact with each other for serially connecting said foamed elastic block with said base. In practice, when the shock absorber is contracted by external force and the displacement exceeds the original set load, the moving member inside the shock absorber collides with the buffer structure in the series connection mode, so that the foaming elastic block is compressed and deformed, the phenomenon that the shock absorber touches the bottom to influence the operation and control can be greatly avoided, and the internal member of the shock absorber is prevented from being damaged.

Description

Shock absorbing and buffering structure for bicycle

Technical Field

The utility model relates to a buffer structure especially indicates to be applied to the buffer structure of bicycle shock absorber.

Background

The shock absorber of bicycle can absorb come from the unsmooth vibrations in road surface, not only provides and maintains stably going when riding, promotes to go and controls outside, can reduce the burden of transmitting to the rider's muscle, reduces to ride fatigue and the uncomfortable sense of muscle, and its effect is more showing especially in rugged road conditions (the mountain road of jolting is not paved the road).

The conventional bicycle shock absorber is mostly formed by the mutual penetration of the inner tube and the outer tube, when the shock absorber is operated by external force, the inner tube and the outer tube are moved in a telescopic manner relative to each other, and are combined with the gas, the oil pressure, the spring or the combination thereof arranged inside to form a combined type, and the fluid or the spring is extruded under the action of the telescopic movement to provide buffering force, so that the shock from the ground can be absorbed substantially. However, the bottom of the shock absorber is touched during the driving process, which not only affects the driving stability, but also directly damages the internal components of the shock absorber.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the main technical problem lies in overcoming the above-mentioned defect that prior art exists, and provides a bicycle buffer structure of moving away to avoid the shock absorber to touch the phenomenon that the influence was controlled at the end, more can avoid touching the end and hinder to each component inside the shock absorber.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a bicycle shock absorber buffer structure, its one end of being installed in the shock absorber pipe, includes foaming elasticity piece and base, wherein: the foaming elastic block is provided with a through hole penetrating through two ends; the base comprises a partition plate, a connecting column extending outwards from two opposite sides of the partition plate, and through holes penetrating through the connecting column and the partition plate: the base is inserted into the through hole of the foaming elastic block by a connecting column, the partition plates are positioned at the tail ends of the foaming elastic block and are in overlapped contact with each other, and the through hole is communicated with the through hole, so that the foaming elastic block and the base are in a serial connection arrangement, and fluid in the shock absorber tube can flow through the through hole and the through hole.

The utility model discloses under the bicycle buffer structure that moves away to avoid possible earthquakes in-service use, be when the shock absorber receives external force and shrink displacement volume when exceeding originally setting for the load, the buffer structure that is the concatenation pattern is collided to the inside removal component of shock absorber, the effort can transmit the foaming elastic block, so that the foaming elastic block takes place compression deformation, the energy conversion who changes compression deformation into by means of above-mentioned effort down, can effectively convert aforementioned effort into the compression deformation of elastic deformation piece, so can avoid the shock absorber to touch the phenomenon that the end influence was controlled, more can avoid touching the end and hinder to the inside each component of shock absorber.

The beneficial effects of the utility model are that, avoid the shock absorber to touch the phenomenon that the end influence was controlled, more can avoid touching end and hinder to each component inside the shock absorber.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is an exploded perspective view of the present invention.

Fig. 2 is another exploded perspective view of the present invention.

Fig. 3 is a perspective view of the present invention.

Fig. 4 is an exploded perspective view of the shock absorber according to the present invention.

Fig. 5 is a perspective view of the shock absorber of the present invention.

Fig. 6 is a schematic cross-sectional view of fig. 5.

Fig. 7 is a partially enlarged schematic view of fig. 5.

The reference numbers in the figures illustrate:

shock absorber tube 10 of shock absorber 1

Fixed seat 11 air tap 12

Outer ring groove 13 air nozzle cover 14

Foamed elastomeric block 100 through hole 110

Base 200 divider plate 210

Connecting post 220 back-off part 221

Through hole 230 reinforcement ring rib 240

Adapter 300 baffle plate 310

Convex column 320 and sleeve column 330

Sleeve groove 331 back-off ring 332

Through hole 340

Detailed Description

Referring to fig. 1 to 7, the present invention is a shock absorbing and cushioning structure for a bicycle, which is installed at one end of a shock absorber tube 10, and includes a foamed elastic block 100 and a base 200, wherein: the foamed elastic block 100 has a through hole 110 penetrating both ends; the base 200 includes a partition plate 210, a connecting column 220 extending outwards from two opposite sides of the partition plate 210, and a through hole 230 penetrating the connecting column 220 and the partition plate 210: the base 200 is inserted into the through hole 110 of the foamed elastic block 100 by the connecting column 220, the partition plates 210 are located at the ends of the foamed elastic block 100 and are overlapped and contacted with each other, and the through hole 230 is communicated with the through hole 110, so that the foamed elastic block 100 and the base 200 are arranged in series, and the fluid in the shock absorber tube 10 can flow through the through hole 230 and the through hole 110.

The present invention is installed in a shock absorber 1 of a bicycle, wherein the shock absorber 1 is exemplified by a front fork, the fluid is exemplified by gas, and the shock absorber tube 10 is exemplified by an inner tube. In addition, the present embodiment is exemplified by three foamed elastic blocks 100 engaged with two bases 200.

The utility model discloses under bicycle shock absorber buffer structure in-service use, be when shock absorber 1 receives external force and shrink displacement volume surpasses the shock absorber and leave factory and set for the load originally, 1 inside removal component of shock absorber collides the buffer structure who is the concatenation form, the effort is except with the foaming elastic block 100 compressive deformation of lower floor in the picture, partial effort can transmit all the other foaming elastic blocks 100 that concatenate to base 200 via base 200, so that foaming elastic block 100 takes place compressive deformation, change into the energy conversion of compressive deformation with the help of above-mentioned effort under, can effectively convert aforementioned effort into foaming elastic block 100's compressive deformation, so can avoid shock absorber 1 to touch the phenomenon that the end influence was controlled by a wide margin, more can avoid touching the end and hinder to 1 inside relevant component of shock absorber.

Further details of the details and the relationship of the various components to each other are described. The adapter 300 further includes an adapter 300, the adapter 300 includes a blocking plate 310, a protruding pillar 320 and a sleeve pillar 330, the protruding pillar 320 and the sleeve pillar 330 are respectively disposed on two opposite sides of the blocking plate 310, the protruding pillar 320 is inserted into the through hole 110 of the foaming elastic block 100 connected in series at the end position, and the sleeve pillar 330 is sleeved on the fixing seat 11 of the shock absorber tube 10. The fixing base 11 is movably screwed to the upper end of the shock absorber tube 10, and the foamed elastic block 100 and the base 200 can be installed in the shock absorber 1 in series through the adapter 300, as shown in fig. 4 to 7, and located near the upper end of the inner tube of the shock absorber 1, which is convenient for installation, later disassembly, maintenance and replacement of components.

In this embodiment, the air nozzle 12 is assembled in the fixing base 11, the sleeve column 330 of the adapter 300 is provided with a sleeve slot 331 connected to the air nozzle 12, the adapter 300 is provided with a through hole 340 penetrating the sleeve column 330 and the blocking plate 310, and the through hole 340 is communicated with the sleeve slot 331 and the through hole 110. With the above structure, the gas is input from the gas nozzle 12 by the gas charging device before the shock absorber 1 leaves factory or in the future, and the gas is filled into the interior (gas chamber) of the shock absorber 1 through the gas nozzle 12, the sleeve groove 331, the through hole 340, the through hole 110, and the through hole 230, even if the foamed elastic block 100 is connected in series through the base 200, and the adaptor 300 mounts the foamed elastic block 100 and the base 200 at the lower position of the fixing base 11, the operation of filling the gas into the interior (gas chamber) of the shock absorber 1 through the gas nozzle 12 will not be hindered. The fixing seat 11 is screwed to the inner wall of the shock absorber tube 10, and one end of the fixing seat 11 is protruded to the upper end of the shock absorber tube 10 (inner tube).

In this embodiment, the circumferential groove wall of the sleeve 331 is provided with an inverted buckle 332 protruding therefrom and fixedly fastened to the outer groove 13 of the fixing base 11, and the end surface of the sleeve 330 contacts and abuts against the fixing base 11, so as to provide a stable positioning and mounting of the adaptor 300 on the lower end of the fixing base 11, thereby providing convenience and rapidness in mounting the adaptor 300 on the lower end of the fixing base 11.

In this embodiment, the fixing base 11 is movably sleeved with the nozzle cover 14 and covers the nozzle 12. The movably arranged air nozzle cover 14 can be used for protecting the air nozzle 12 at ordinary times, so that dust and water can be prevented from polluting the air nozzle 12 to influence the effect of the air nozzle, and even the air nozzle 12 can be prevented from being directly collided by foreign matters; when the air inflation is required, the air nozzle cover 14 can be movably detached, the air nozzle 12 is inflated by the air inflation device to the shock absorber 1, and the air nozzle cover 14 can be sleeved on the fixed seat 11 again after the inflation operation is completed.

In this embodiment, the foaming elastic block 100 is in a hollow circular tube shape, and the partition plate 210 of the base 200 is in a flat circular plate shape; the radial dimension of the foamed elastic block 100 is greater than the radial dimension of the partition plate 210, so that the partition plate 210 is not exposed to the circumferential side surface of the foamed elastic block 100, and the partition plate 210 is farther from the inner wall of the shock absorber tube 10 than the circumferential side of the foamed elastic block 100. Thus, even if the base 200 is driven to move, the base 200 will not touch the inner wall of the shock absorber tube 10 when the foaming elastic block 100 is stressed and compressed to deform, thereby preventing the inner wall of the shock absorber tube 10 from being damaged when the base 200 moves.

In this embodiment, the base 200 has a back-off portion 221 protruding from the periphery of the connecting column 220. When the inverse buckle part 221 is inserted into the through hole 110 of the foaming elastic block 100, the hole wall of the through hole 110 forms an accommodating recess corresponding to the inverse buckle part 221, so that the combination of the two parts is very tight and is not easy to be separated.

In this embodiment, the base 200 further includes a reinforcing ring rib 240, and the reinforcing ring rib 240 is disposed between the connecting column 220 and the separating plate 210. The reinforcing ring rib 240 is disposed between the connecting column 220 and the partition plate 210, so as to reinforce the strength of the link structure between the connecting column 220 and the partition plate 210, and prevent the possibility of cracks or fractures between the connecting column 220 and the partition plate when bearing an acting force.

It is worth mentioning that the foamed elastic block 100 of the present invention is Polyurethane (PU), and the base 200 is hard plastic.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a bicycle shock absorber buffer structure which characterized in that is installed in the intraductal one end of shock absorber, including foaming elastic block and base, wherein:

the foaming elastic block is provided with a through hole penetrating through two ends;

the base comprises a partition plate, a connecting column extending outwards from two opposite sides of the partition plate, and through holes penetrating through the connecting column and the partition plate:

the base is inserted into the through hole of the foaming elastic block by the connecting column, the partition plates are positioned at the tail ends of the foaming elastic block and are in overlapped contact with each other, and the through hole is communicated with the through hole, so that the foaming elastic block and the base are in a serial arrangement.

2. The shock absorbing and buffering structure for bicycle according to claim 1, further comprising an adapter, wherein the adapter comprises a blocking plate, a protruding pillar and a sleeve pillar, the protruding pillar and the sleeve pillar are respectively disposed on two opposite sides of the blocking plate, the protruding pillar is inserted into a through hole of the foamed elastic block serially connected to the end, and the sleeve pillar is sleeved on the fixing seat of the shock absorber tube.

3. The shock absorbing and buffering structure for bicycle according to claim 2, wherein the fixing seat has an air nozzle, the stem of the adapter has a socket connected to the air nozzle, and the adapter has a through hole passing through the stem and the blocking plate, and the through hole is connected to the socket and the through hole.

4. The shock absorbing and buffering structure for bicycle according to claim 3, wherein the peripheral groove wall of said sleeve groove is provided with an inverted buckle and fastened to the outer ring groove of the fixing seat.

5. A shock-absorbing and cushioning structure for bicycle according to claim 3, wherein said fixing base is movably sleeved with a nozzle cover and covers said nozzle.

6. The shock absorbing and cushioning structure for bicycle according to claim 1, wherein said foamed elastic block is in the shape of a hollow circular tube, and the partition plate of the base is in the shape of a flat circular plate; the radial dimension of the foaming elastic block is larger than that of the partition plate, so that the partition plate is not exposed out of the peripheral side surface of the foaming elastic block, and the partition plate is far away from the inner wall of the shock absorber tube than the peripheral side of the foaming elastic block.

7. The shock absorbing and absorbing structure for bicycles of claim 1, wherein a reverse buckling part is protruded from the periphery of the end of the connecting column of the base.

8. The shock absorbing and buffering structure for bicycle according to claim 1, wherein said base further comprises a reinforcing ring rib disposed between said connecting column and said partition plate.