CN203078691U - Linear sliding unit of front fork shock absorber - Google Patents
Linear sliding unit of front fork shock absorber Download PDFInfo
- Publication number
- CN203078691U CN203078691U CN 201320006851 CN201320006851U CN203078691U CN 203078691 U CN203078691 U CN 203078691U CN 201320006851 CN201320006851 CN 201320006851 CN 201320006851 U CN201320006851 U CN 201320006851U CN 203078691 U CN203078691 U CN 203078691U
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- CN
- China
- Prior art keywords
- front fork
- steering tube
- guide rod
- linear slide
- vibration abatement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a linear sliding unit used for a shock absorber between a front fork of a bike and a steering tube of the bike. The linear sliding unit of the front fork shock absorber comprises the steering tubes, a guide rod, a ball bush set and an elastic component. The linear sliding unit of the front fork shock absorber has the advantages that the ball bush set is not fixed with the steering tube, and therefore not only can the ball bush set moves relative to the guide rod on the inner side, but also the ball bush set can move relative to the steering tube on the outer side, a rolling part of the ball bush set can smoothly roll on the outer wall face of the guide rod and the inner wall face of the steering tube, further the rolling part can smoothly rotate, the steering tube arranged on the outer side of the ball bush set and the guide rod arranged on the inner side of the ball bush set can smoothly move in a relative mode, and shock absorbing effect of the linear sliding unit of the front fork shock absorber can be successfully played.
Description
Technical field
The utility model relates to a kind of front fork of bicycle and linear slide device of the Shock absorber between steering tube of being used for.
Background technology
The Front fork vibration abatement device is meant the Shock absorber on the front fork that is arranged at bicycle, and it includes a guide rod, a steering tube, a needle bearing and a spring; Guide rod is fixedly arranged on the front fork of bicycle; Steering tube can relatively move on the sheathed guide rod in ground, and the top is connected with the tap of bicycle; Needle bearing is sheathed on outside the guide rod, and is arranged in the steering tube; Spring is arranged between front fork and the steering tube, and steering tube is upwards promoted; The steering tube that is connected with tap can drive front fork and front-wheel at ordinary times and rotates thus, and during the ground of passing through uneven, spring can make the relative front fork of steering tube move axially, with the effect of performance buffering; And needle bearing can make steering tube move relative to guide rod swimmingly, and the while can be avoided again having the gap between steering tube and guide rod and be caused rocking.
Yet the Front fork vibration abatement device of prior art has a shortcoming, as the novel patent case of TaiWan, China notification number M323429 " the slippage guiding device of steering tube Shock absorber ", see also Fig. 8 and shown in Figure 9, the needle bearing 93 of this case is installed in the end of steering tube 91, and the needle bearing 93 outer external bushings 94 that are arranged with, external bushing 94 is installed in the end of steering tube 91 equally, and needle bearing 93, external bushing 94 all can't relatively move with steering tube 91 threes; In addition, the needle roller 931 of needle bearing 93 inwardly is resisted against guide rod 92, and outwards is resisted against the internal face of external bushing 94; When steering tube 91 relative guide rods 92 move axially, the needle roller 931 of needle bearing 93 can rotate because of being resisted against guide rod 92 desires that relatively move, but needle roller 931 is resisted against external bushing 94 again simultaneously, and because needle roller 931 can't relatively move with external bushing 94, therefore needle roller 931 can rotate in the same place of external bushing 94 internal faces, therefore and produce a friction force and stop needle roller 931 to rotate, and the needle roller 931 that can't rotate smoothly just can hinder relatively moving of guide rod 92 and steering tube 91, and then influences the shock-absorbing effect of Front fork vibration abatement device.
The utility model content
Because the Front fork vibration abatement device of aforementioned prior art, the needle roller of its needle bearing can't rotate smoothly, and then make integral body be difficult to successfully bring into play the shortcoming and the deficiency of shock-proof effect, and the utility model provides a kind of linear slide device of Front fork vibration abatement device, and it can effectively solve above-mentioned shortcoming.
For reaching above-mentioned creation purpose, the technological means that the utility model adopted is the linear slide device of a kind of Front fork vibration abatement device of design, wherein comprises:
One steering tube, it includes a tube body;
One guide rod, it can be arranged in the steering tube with relatively moving; Guide rod is provided with a slipping part, and the cross section of slipping part is non-circular;
One ball bushing group, it can be arranged in the steering tube with relatively moving, and can be sheathed on outside the slipping part of guide rod with relatively moving, and the ball bushing group includes an inner covering and a plurality of rolling member; Inner covering can be sheathed on slipping part with relatively moving; Described rolling member is located on the wall of inner covering rotationally, and described rolling member is resisted against the internal face of steering tube, and is resisted against the outside wall surface of slipping part;
One elastic element, it is sheathed on outside the guide rod.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein steering tube further includes a sleeve, and it wears and is fixed in the tube body, and sheathed guide rod and ball bushing group, and the cross section of the inner space of sleeve is non-circular; The rolling member of ball bushing group is resisted against the internal face of sleeve.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein steering tube further includes a connecting element; Connecting element is installed in the bottom of tube body.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein the top of elastic element is resisted against the connecting element of steering tube.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein the connecting element of steering tube further includes an external fixation spare and an internal fixation spare; The sheathed bottom of being fixed in tube body of external fixation spare, and the top of elastic element is resisted against external fixation spare; Internal fixation spare wears and is resisted against in the external fixation spare, and the slipping part of sheathed guide rod, and the cross section of the inner space of internal fixation spare is non-circular; The inner covering of ball bushing group can be downwardly against in internal fixation spare.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein the sleeve of steering tube is fixed on the tube body with screw closure.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein the ball bushing group is a bearing.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein the rolling member of ball bushing group is a needle roller.
Furthermore, the linear slide device of described Front fork vibration abatement device, wherein elastic element is a spring.
Advantage of the present utility model is, the ball bushing group does not fix with steering tube, therefore the ball bushing group is except that but the guide rod of relative inner moves, also can do linear moving simultaneously relative to the steering tube in the outside, so the rolling member of ball bushing group just can be is swimmingly rolled on the internal face of the outside wall surface of guide rod and steering tube, and then rolling member can be rotated smoothly, thereby steering tube and the guide rod of being located at the inside and outside both sides of ball bushing group just can relatively move swimmingly, and the utility model can successfully be brought into play shock-proof effect thus.
Description of drawings
Following conjunction with figs. and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined creation purpose is taked, wherein:
Fig. 1 is a stereo appearance figure of the present utility model.
Fig. 2 is an element exploded view of the present utility model.
Fig. 3 is a side cutaway view of the present utility model.
Fig. 4 is a Zoom Side of the present utility model pseudosection.
Fig. 5 is a pseudosection in the amplification of the present utility model.
Fig. 6 is the stereo appearance figure of ball bushing group of the present utility model.
Side cutaway view when Fig. 7 is the utility model use.
Fig. 8 is the side cutaway view of the Shock absorber of prior art.
Fig. 9 is the side cutaway view of the Shock absorber of prior art when using.
The specific embodiment
See also Figure 1 and Figure 2, the linear slide device of Front fork vibration abatement device of the present utility model includes a steering tube 10, a guide rod 20, a ball bushing group 30 and an elastic element 40.
See also Fig. 2 to shown in Figure 5, aforesaid steering tube 10 includes a tube body 11, a sleeve 12 and a connecting element 13; Sleeve 12 wears and is fixed in the tube body 11, and sleeve 12 is sealed fixing with screw 14 with tube body 11, and the cross section of the inner space of sleeve 12 is non-circular; Connecting element 13 is installed in the bottom of tube body 11, and includes an external fixation spare 131 and an internal fixation spare 132; The external fixation spare 131 sheathed bottoms of being fixed in tube body 10; Internal fixation spare 132 wears and downwardly against in external fixation spare 131, the cross section of the inner space of internal fixation spare 132 is non-circular.
See also Fig. 2, Fig. 4 to shown in Figure 6, aforesaid ball bushing group 30 can be arranged in the sleeve 12 of steering tube 10 with relatively moving, and can be sheathed on outside the slipping part 21 of guide rod 20, ball bushing group 30 includes an inner covering 31 and a plurality of rolling member 32 with relatively moving; Inner covering 31 can be sheathed on slipping part 21 with relatively moving, and can avoid ball bushing group 30 to skid off outside the steering tube 10 thus downwards downwardly against in the internal fixation spare 132 of steering tube 10; In the present embodiment, the cross section of the inner space of the inner space of inner covering 31, sleeve 12, internal fixation spare 132 and slipping part 21, all be about square, but, only want that guide rod 20, connecting element 13, sleeve 12 and ball bushing group 30 are together rotated and get final product not as limit; Described rolling member 32 is located on the wall of inner covering 31 rotationally, and described rolling member 32 is resisted against the internal face of the sleeve 12 of steering tube 10, and is resisted against the outside wall surface of the slipping part 21 of guide rod 20; In the present embodiment, ball bushing group 30 is a needle bearing, and rolling member 32 is a needle roller, but equally not as limit.
See also Fig. 2 to shown in Figure 4, aforesaid elastic element 40 is sheathed on outside the guide rod 20, and the top of elastic element 40 is sheathed and be resisted against the external fixation spare 131 of steering tube 10; In the present embodiment, elastic element 40 is a spring, but also not as limit.
See also Fig. 1 to shown in Figure 4, during the utility model installing, front fork 50 is fixed in guide rod 20 installings, and the bottom of elastic element 40 is resisted against front fork 50; In addition, the elastic element 40 outer dust protecting caps 60 and two that further are arranged with are against ring 70; Dust protecting cap 60 sheathed and coating elastic elements 40; Two are located at respectively between the opening periphery of the two ends of elastic element 40 and dust protecting cap 60 against ring 70, elastic element 40 is resisted against respectively on the external fixation spare 131 and front fork 50 of steering tube 10 against ring 70 and two opening peripheries of dust protecting cap 60 two thus, and dust protecting cap 60 then can avoid thing such as dust to influence the use of elastic element 40; In addition, the top of the tube body 11 of steering tube 10 then fixes with the tap of bicycle.
When the utility model uses, when the handgrip of bicycle and tap drive tube body 11 rotations of steering tube 10, because tube body 11 is sealed fixing with screw 14 with sleeve 12, and sleeve 12, ball bushing group 30 and guide rod 20 are non-circular can together the rotation because of the cross section, guide rod 20 is fixedly arranged on again on the front fork 50, so handgrip and tap can drive front fork 50 and front-wheel rotates.
See also Fig. 3, Fig. 4, Figure 6 and Figure 7, and during the ground of passing through uneven, ground can go up the go-cart wheel and related on push away the guide rod 20 of front fork 50, and make guide rod 20 and steering tube 10 produce relative displacemenies; And when steering tube 10 moves down relatively, because the relative both sides of the rolling member 32 of ball bushing group 30 are resisted against the outside wall surface of the slipping part 21 of sleeve 12 internal faces of steering tube 10 and guide rod 20 respectively, therefore rolling member 32 just can roll on sleeve 12 internal faces and slipping part 21 outside wall surface, and then makes ball bushing group 30 along with the together relative guide rod 20 of steering tube 10 moves down.
And the rolling member 32 by making ball bushing group 30 can be simultaneously rolls on the internal face of the outside wall surface of guide rod 20 and steering tube 10, therefore can guarantee that rolling member 32 is able to smooth rotation, and then steering tube 10 and the guide rod 20 of being located at ball bushing group 30 inside and outside both sides can axially be relatively moved swimmingly, the utility model just can successfully be brought into play shock-proof effect thus.
In other embodiments, steering tube also can not have sleeve, and the cross section of the inner space of tube body is non-circular to cooperate the peripheral profile of ball bushing group, and the rolling member of ball bushing group then is resisted against the internal face of tube body, also can bring into play advantage of the present utility model equally thus.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, have in the technical field under any and know the knowledgeable usually, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of the utility model claim.
Claims (9)
1. the linear slide device of a Front fork vibration abatement device is characterized in that, comprises:
One steering tube, it includes a tube body;
One guide rod, it can be arranged in the steering tube with relatively moving; Guide rod is provided with a slipping part, and the cross section of slipping part is non-circular;
One ball bushing group, it can be arranged in the steering tube with relatively moving, and can be sheathed on outside the slipping part of guide rod with relatively moving, and the ball bushing group includes an inner covering and a plurality of rolling member; Inner covering can be sheathed on slipping part with relatively moving; Described rolling member is located on the wall of inner covering rotationally, and described rolling member is resisted against the internal face of steering tube, and is resisted against the outside wall surface of slipping part;
One elastic element, it is sheathed on outside the guide rod.
2. the linear slide device of Front fork vibration abatement device as claimed in claim 1, wherein steering tube further includes a sleeve, and it wears and is fixed in the tube body, and sheathed guide rod and ball bushing group, and the cross section of the inner space of sleeve is non-circular; The rolling member of ball bushing group is resisted against the internal face of sleeve.
3. the linear slide device of Front fork vibration abatement device as claimed in claim 2, wherein steering tube further includes a connecting element; Connecting element is installed in the bottom of tube body.
4. the linear slide device of Front fork vibration abatement device as claimed in claim 3, wherein the top of elastic element is resisted against the connecting element of steering tube.
5. the linear slide device of Front fork vibration abatement device as claimed in claim 4, wherein the connecting element of steering tube further includes an external fixation spare and an internal fixation spare; The sheathed bottom of being fixed in tube body of external fixation spare, and the top of elastic element is resisted against external fixation spare; Internal fixation spare wears and is resisted against in the external fixation spare, and the slipping part of sheathed guide rod, and the cross section of the inner space of internal fixation spare is non-circular; The inner covering of ball bushing group is downwardly against in internal fixation spare.
6. the linear slide device of Front fork vibration abatement device as claimed in claim 5, wherein the sleeve of steering tube is fixed on the tube body with screw closure.
7. the linear slide device of Front fork vibration abatement device as claimed in claim 6, wherein the ball bushing group is a bearing.
8. the linear slide device of Front fork vibration abatement device as claimed in claim 7, wherein the rolling member of ball bushing group is a needle roller.
9. the linear slide device of Front fork vibration abatement device as claimed in claim 8, wherein elastic element is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006851 CN203078691U (en) | 2013-01-08 | 2013-01-08 | Linear sliding unit of front fork shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006851 CN203078691U (en) | 2013-01-08 | 2013-01-08 | Linear sliding unit of front fork shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078691U true CN203078691U (en) | 2013-07-24 |
Family
ID=48824552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006851 Expired - Lifetime CN203078691U (en) | 2013-01-08 | 2013-01-08 | Linear sliding unit of front fork shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015290A1 (en) * | 2014-07-31 | 2016-02-04 | 广州市锦宏机电科技发展有限公司 | Front wheel steering mechanism of bicycle |
| WO2021163830A1 (en) * | 2020-02-17 | 2021-08-26 | 亚大国际企业股份有限公司 | Bicycle and front fork shock absorber structure thereof |
-
2013
- 2013-01-08 CN CN 201320006851 patent/CN203078691U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015290A1 (en) * | 2014-07-31 | 2016-02-04 | 广州市锦宏机电科技发展有限公司 | Front wheel steering mechanism of bicycle |
| WO2021163830A1 (en) * | 2020-02-17 | 2021-08-26 | 亚大国际企业股份有限公司 | Bicycle and front fork shock absorber structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |