CN212529933U - Adjustable prepressing shock-proof device for bicycle - Google Patents
Adjustable prepressing shock-proof device for bicycle Download PDFInfo
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- CN212529933U CN212529933U CN202020715098.XU CN202020715098U CN212529933U CN 212529933 U CN212529933 U CN 212529933U CN 202020715098 U CN202020715098 U CN 202020715098U CN 212529933 U CN212529933 U CN 212529933U
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Abstract
The utility model provides an adjustable pre-compaction's of bicycle seismic isolation device can install in bicycle front fork frame, seat pipe or back fork frame, and it includes: a telescopic tube provided with a pillar tube and a slider tube; a damping system disposed between the strut tube and the slider tube; a pre-pressure adjustment device mechanically coupled to the slider tube for axial displacement relative to the slider tube to compress the damping system to adjust a damping coefficient or damping stroke of the damping system; the elastic bearing seat is arranged on the support column tube or the sliding piece tube to bear the damping system so as to absorb the impact of the damping system or the sliding piece tube on the support column tube, and the elastic bearing seat is arranged so that the elastic bearing seat does not generate compression or generates micro-compression when the prepressing adjusting device adjusts the damping coefficient or the damping stroke of the damping system.
Description
Technical Field
The utility model relates to a bicycle technical field indicates its adjustable pre-compaction's shock absorber's technical category especially.
Background
An adjustable shock absorbing device conventionally used in a bicycle, such as a front fork system, includes a strut tube, a slider tube interacting therewith, and a damping system having an elastic damping mechanism between the strut tube and the slider tube, wherein an adjusting bolt disposed between the slider tube and the damping system is used to adjust a damping coefficient or damping stroke of the damping system and change a shock absorbing operation amount of the adjustable shock absorbing device, as disclosed in JP2003307245A patent.
In addition, an elastic seat is additionally disposed between the pillar tube and the damping system, and the elastic seat can contact with the bottom dead center position when the damping system descends, so as to absorb the impact between the damping system and the pillar tube and maintain the motion stability of the shock absorbing device during the shock absorbing stroke, which is disclosed in CN2727037Y, taiwan TWI391580B, and other patents.
However, in the above-mentioned adjustable shock absorbing device, when the adjusting bolt for adjusting the damping coefficient of the damping system is pressed and pushed against the damping system, the damping system may be compressed to the resilient seat first, so that the shock absorbing function of the resilient seat is lost without adjusting the damping system. Therefore, the conventional adjustable shock absorbing device needs to be improved.
SUMMERY OF THE UTILITY MODEL
Accordingly, in view of the problems of the conventional adjustable shock absorbing device, the utility model provides a shock absorbing device with adjustable pre-pressing for bicycle, which does not consume the shock absorbing function of the elastic bearing; the utility model discloses a secondary aim at provides the adjustable pre-compaction seismic isolation device of bicycle of convenient adjustment.
In order to achieve the above purpose, the present invention employs the following technical means.
A bicycle adjustable preload suspension comprising: a telescoping tube having a strut tube and a slider tube interacting with the strut tube; a damping system disposed between the strut tube and the slider tube; a pre-pressure adjustment device mechanically coupled to the slider tube for axial displacement relative to the slider tube to compress the damping system to adjust a damping coefficient or damping stroke of the damping system; the elastic bearing seat is arranged on the support column tube or the sliding piece tube to bear the damping system so as to absorb the impact of the damping system or the sliding piece tube on the support column tube, and the elastic bearing seat is arranged so that the elastic bearing seat does not generate compression or generates micro-compression when the prepressing adjusting device adjusts the damping coefficient or the damping stroke of the damping system.
The pre-pressing adjustable shock-absorbing device for the bicycle comprises an adjusting bolt and an adjusting ring, wherein the adjusting bolt is arranged as a bolt shaft, the adjusting ring is provided with a bolt slot inner hole, the bolt slot inner hole is sleeved on the bolt shaft, namely, the bolt slot inner hole of the adjusting ring is integrally formed into a plurality of wedge blocks, and the wedge blocks are clamped in a plurality of grooves of the bolt shaft; the bolt shaft is provided with an external thread and is screwed with an internal thread hole of the sliding piece pipe.
The adjustable prepressing shock-absorbing device of the bicycle is characterized in that the elastic bearing seat has an elastic coefficient which does not produce a compression effect or only produces a slight compression amount when the adjusting bolt adjusts the damping system.
The adjustable prepressing shock absorbing device of the bicycle is characterized in that the elastic bearing seat is provided with a compressible volume which does not generate compression action or only generates slight compression when the adjusting bolt adjusts the damping system.
The adjustable pre-compaction seismic isolation device of bicycle, wherein this elastic support is to this adjusting bolt when adjusting damping system, and the ratio of both compression actions is less than 1: 5, and in particular less than 1: 10, and particularly preferably less than 1: 20.
in the pre-pressure adjustable shock absorbing device for a bicycle, a plurality of radial hole slots are formed around the adjusting ring, and a radial through hole is formed on the sliding piece pipe corresponding to the plurality of radial hole slots.
The pre-pressing adjustable shock-absorbing device of the bicycle can be arranged in a front fork frame, a seat tube or a rear fork frame of the bicycle.
By means of the above technical means, the utility model, can reach following efficiency:
the utility model discloses when adjusting bolt pushing down of the damping coefficient of this adjustment damping system pushed up (pre-compaction promptly) this damping system, can not compress this elastic bearing earlier, and then maintain and be equipped with the existing absorption shock function of this elastic bearing.
The utility model discloses can rely on the adjustment tool to wear to stretch in the through hole of this saddle pipe and embolia in the radial hole inslot of this adjusting ring, provide and conveniently rotate this adjusting ring and actuate and adjust this adjusting bolt and push down and support (pre-compaction promptly) this damping system.
Drawings
FIG. 1 is a schematic view of a seat tube with a pre-load adjustable shock absorber of the present invention.
FIG. 2 is an exploded view of the "shock absorbing device with adjustable preload for bicycle" of the present invention.
FIG. 3 is a partially exploded enlarged view of the "shock absorbing device with adjustable preload for bicycle" of the present invention.
Fig. 4 is a sectional view of the assembly of fig. 1 according to the present invention.
FIG. 5 is a schematic view of the operation adjustment of the "pre-load adjustable shock absorbing device for bicycle" of the present invention.
FIG. 6 is another aspect of the present invention, a bicycle suspension with adjustable preload.
Description of reference numerals: a-a shock absorbing device with adjustable preload; 1-a telescopic pipe body; 11-a strut tube; 12-a slider tube; 120-inner screw holes; 121-a through hole; 13-oil seal; 2-a damping system; 21-a cylinder body; 22-actuating thin rod; 3-a pre-pressing adjusting device; 31-adjusting bolts; 310-bolt shaft; 311-external thread; 312-a groove; 32-an adjustment ring; 320-bolt slot inner hole; 321-radial bore slots; 322-wedge block; 33-a cover; 34-a screw; a 35-C type buckle ring; 4-elastic bearing seat.
Detailed Description
Referring to fig. 1 to 4, the present invention relates to a pre-pressing adjustable shock absorber a for a bicycle, which can be installed in a front fork frame, a seat tube or a rear fork frame of the bicycle, and the seat tube is used as an implementation description, and mainly comprises: a telescopic tube body 1, a damping system 2, a pre-pressing adjusting device 3 and an elastic bearing 4.
The telescopic tube 1 is provided with a pillar tube 11 and a slider tube 12 interacting with the pillar tube 11, in other words, the outer diameter of the slider tube 12 is smaller than that of the pillar tube 11, so that the slider tube 12 can move relative to the pillar tube 11, and an oil seal 13 is usually provided at the entrance of the pillar tube 11.
The damping system 2 is disposed between the pillar tube 11 and the slider tube 12, so that the damping system 2 provides the telescopic tube 1 with buffering and shock-absorbing effects; typically, the damping system 2 can distinguish between a cylinder 21 and an actuating pin 22, and the damping system 2 can be mounted with the actuating pin 22 facing up (fig. 4) or with the actuating pin 22 facing down (fig. 6).
The pre-pressure adjusting device 3, as shown in fig. 2 to 5, is mechanically engaged with the slider tube to axially displace relative to the slider tube 12 to compress the damping system 2, so as to adjust the damping coefficient or damping stroke of the damping system; further, the preload adjusting device 3 further includes an adjusting bolt 31 and an adjusting ring 32, the adjusting bolt 31 is a bolt shaft 310, the adjusting ring 32 is provided with a bolt slot inner hole 320, and the bolt slot inner hole 320 is sleeved on the bolt shaft 310, in other words, the bolt slot inner hole 320 is integrally formed with a plurality of wedges 322, and the wedges 322 are clamped in the grooves 312 of the bolt shaft 310; in addition, a plurality of radial holes 321 are formed around the adjusting ring 32, a radial through hole 121 is formed in the slider tube 12 corresponding to the plurality of radial holes 321, and the bolt shaft 310 is provided with an external thread 311 and is screwed with an internal thread hole formed in the slider tube 12; in particular, the adjusting ring 32 may be externally connected to a cover 33, and a screw 34 is used to combine the cover 33 and the adjusting ring 32 together, and a C-shaped retaining ring 35 is disposed at the top end of the adjusting bolt 31.
The elastic bearing 4 is, as shown in fig. 4 and 5, disposed on the pillar tube 11 or the slider tube 12 to receive the damping system, so as to absorb the impact of the damping system 2 or the slider tube 12 on the pillar tube 11, and the elastic bearing 4 is configured such that when the pre-pressure adjusting device 4 adjusts the damping coefficient or the damping stroke of the damping system 3, the elastic bearing 4 does not generate compression or generates micro-compression, the elastic coefficient of a fine compression amount, or the compressible volume of a fine compression amount; if the elastic bearing 4 generates micro-compression, the ratio of the compression action of the elastic bearing 4 and the damping system 2 is less than 1: 5, and in particular less than 1: 10, and particularly preferably less than 1: 20.
the damping device a with adjustable preload for bicycle according to the present invention is composed of the above components, as shown in fig. 4 and 5, an adjusting tool can be inserted into the through hole 121 of the slider tube 12 and the radial hole 320 of the adjusting ring 32, so as to facilitate the rotation of the adjusting ring 32 to actuate and adjust the rotation of the adjusting bolt 310, and the damping system 2 is pushed downward to generate the preload effect; similarly, the preload adjustment device 3 shown in fig. 6 also operates in the same manner to produce the same effects.
If the elastic bearing 4 is configured such that when the pre-pressure adjusting device 4 adjusts the damping coefficient or the damping stroke of the damping system 3, the elastic bearing 4 does not generate compression or generate micro-compression, the elastic coefficient of fine compression amount, or the compressible volume of fine compression amount, in other words, when the adjusting bolt 31 adjusting the damping coefficient of the damping system 2 presses down and pushes (i.e. pre-presses) the damping system 2, the elastic bearing 4 is not compressed first, so as to maintain the existing impact absorption function of the elastic bearing 4.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a damping device of adjustable pre-compaction of bicycle which characterized in that includes:
a telescoping tube having a strut tube and a slider tube interacting with the strut tube;
a damping system disposed between the strut tube and the slider tube;
a pre-pressure adjustment device mechanically coupled to the slider tube for axial displacement relative to the slider tube to compress the damping system to adjust a damping coefficient or damping stroke of the damping system;
the elastic bearing seat is arranged on the support column tube or the sliding piece tube to bear the damping system so as to absorb the impact of the damping system or the sliding piece tube on the support column tube, and the elastic bearing seat is arranged so that the elastic bearing seat does not generate compression or generates micro-compression when the pre-pressure adjusting device adjusts the damping coefficient or the damping stroke of the damping system.
2. The adjustable preload suspension for a bicycle as set forth in claim 1, wherein: the pre-pressure adjusting device further comprises an adjusting bolt and an adjusting ring, wherein the adjusting bolt is a bolt shaft, the adjusting ring is provided with a bolt slot inner hole, the bolt slot inner hole is sleeved in the bolt shaft, and the bolt shaft is provided with an external thread and is in threaded connection with an internal thread hole arranged on the slider tube.
3. The adjustable preload suspension for a bicycle as set forth in claim 1, wherein: the inner hole of the bolt slot of the adjusting ring is integrally formed with a plurality of wedges, and the wedges are clamped in a plurality of grooves of the bolt shaft.
4. The adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: the elastic bearing seat has an elastic coefficient which does not generate compression action or only generates a slight compression amount when the adjusting bolt adjusts the damping system.
5. The adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: the elastic bearing seat is made of compressible materials which do not generate compression action or generate only slight compression when the adjusting bolt adjusts the damping system.
6. The adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: when the damping system is adjusted by the adjusting bolt, the ratio of the compression action of the elastic bearing seat to the compression action of the adjusting bolt is less than 1: 5.
7. the adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: the adjusting ring is provided with a plurality of radial holes around, and the sliding piece tube corresponding to the radial holes is provided with a radial through hole.
8. The adjustable preload suspension for a bicycle as set forth in claim 1, wherein: can be arranged in the front fork frame, the seat tube or the rear fork frame of the bicycle.
9. The adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: when the damping system is adjusted by the adjusting bolt, the ratio of the compression action of the elastic bearing seat to the compression action of the adjusting bolt is less than 1: 10.
10. the adjustable preload suspension apparatus for a bicycle as claimed in claim 2, wherein: when the damping system is adjusted by the adjusting bolt, the ratio of the compression action of the elastic bearing seat to the compression action of the adjusting bolt is less than 1: 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715098.XU CN212529933U (en) | 2020-04-30 | 2020-04-30 | Adjustable prepressing shock-proof device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715098.XU CN212529933U (en) | 2020-04-30 | 2020-04-30 | Adjustable prepressing shock-proof device for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212529933U true CN212529933U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020715098.XU Active CN212529933U (en) | 2020-04-30 | 2020-04-30 | Adjustable prepressing shock-proof device for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212529933U (en) |
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2020
- 2020-04-30 CN CN202020715098.XU patent/CN212529933U/en active Active
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