CN104527892A - Bicycle suspension fork - Google Patents
Bicycle suspension fork Download PDFInfo
- Publication number
- CN104527892A CN104527892A CN201510006791.3A CN201510006791A CN104527892A CN 104527892 A CN104527892 A CN 104527892A CN 201510006791 A CN201510006791 A CN 201510006791A CN 104527892 A CN104527892 A CN 104527892A
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- CN
- China
- Prior art keywords
- breeches pipe
- shock
- vertical tube
- spring
- bicycle
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- 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.)
- Pending
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- 239000000725 suspension Substances 0.000 title claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention provides a bicycle suspension fork. A vertical headstock pipe is connected with a bicycle frame. The vertical headstock pipe is connected with a suspension fork body in a relatively rotating mode. The bicycle suspension fork comprises a vertical front fork pipe, a bibcock, a fork pipe assembly, a connection piece and a suspension system. The suspension system comprises a first spring and a second spring. The first spring is clamped between the bibcock and the fork pipe assembly and located in the vertical headstock pipe. The second spring is clamped between the lower end face of the vertical headstock pipe and a boss of a connection head. According to the bicycle suspension fork, when a front wheel passes through an uneven ground, the shaking force borne by the fork pipe assembly is absorbed through the second spring, action force applied on a riding person on the bicycle frame is lowered, the shaking force is absorbed by the first spring, the action force applied on the double arms of the riding person on a direction handle is lowered, the direction turning torque is transmitted in the mode that knurl gear rings are embedded, the synchronism is good, and assembling efficiency is high.
Description
Technical field
The present invention relates to technical field of bicycles, particularly relate to a kind of shock-absorption front fork of bicycle.
Background technology
In order to enable the cyclist of bicycle comparatively cosily travel at broken terrain, a lot of bicycle all have employed the front fork with incabloc function.But the shock-proof front-fork assembly adopted in prior art generally adopts bilateral elastic body shock-absorbing, this shock-absorbing mode makes that the weight of front fork entirety is comparatively large, volume is large, cost is high, complex structure, assemble loaded down with trivial details, profile also unsightly, be not suitable for modern light and handy small-wheel-diameter car and the use of urban leisure bicycle, and when bilateral suspension system conformability is not high, easily cause wheel shaft to be subject to out-of-balance force effect generation deflection and wearing and tearing.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, lightweight, assembling is simple and the shock-absorption front fork of bicycle of uniform force.
Technical scheme of the present invention realizes like this, a kind of shock-absorption front fork of bicycle, bicycle running direction is controlled for bicyclist, be installed on bicycle headstock, for connecting front wheel and bicycle directional handle, and be connected with cycle frame by headstock vertical tube, headstock vertical tube is connected rotatably with shock-proof front-fork assembly, comprising:
Be sheathed on the vertical tube of front fork in headstock vertical tube, it has a through hole extended vertically, and is provided with annular knurl gear ring in the upper end of through hole, is provided with a negative thread circle in the lower end of through hole;
The tap be connected with handle-bar, tap has one to the joint portion of downward-extension, and be provided with an outer annular knurl gear ring corresponding to interior annular knurl gear ring in end, joint portion outer peripheral edges, joint portion end face is also provided with a combined hole, tap is stretched in headstock vertical tube by top with joint portion, and within annular knurl gear ring embed in outer annular knurl gear ring and form combination;
Be connected breeches pipe assembly with the two ends of the wheel shaft of front wheel, comprise the connector of left breeches pipe, right breeches pipe and upper end, the end of connector is provided with an outside thread circle corresponding to negative thread circle, and connector is also provided with a connecting through hole;
For connecting the attaching parts of tap and breeches pipe assembly, stretching into by below the connecting through hole of connector, through the through hole of vertical tube of front fork, and being upwards connected with the combined hole of tap;
For the suspension system of shock-absorbing, comprise the first spring and the second spring, the first Spring Card is located between tap and breeches pipe assembly, and is positioned at headstock vertical tube, and the second Spring Card is located between headstock vertical tube lower surface and the boss of connector.
Further, also comprise a recoil spring, be arranged between attaching parts and the end face of connector.
Further, be also provided with a transverse slat between left breeches pipe and right breeches pipe, transverse slat is provided with at least one fixed orifice.
Further, connector and left and right breeches pipe are integral type structure.
Further, connector and left and right breeches pipe are respectively and removably connect.
Further, the one end left and right breeches pipe is connected with wheel shaft is respectively provided with fixed pan.
Compared with prior art, of the present invention can shock absorbing bicycle front fork, when front-wheel is through uneven ground, the shaking force that breeches pipe assembly is subject to first absorbs through being arranged in the second spring between headstock vertical tube lower surface and connector boss, to reduce the application force to the bicyclist on vehicle frame, breeches pipe assembly moves, affect the vertical tube of front fork be fixedly connected with connector, shaking force absorbs through the first spring be arranged between tap and breeches pipe assembly, reduce the application force to the both arms on bicyclist's handle-bar, and the present invention uses the mode direction of transfer rotating torque of annular knurl gear ring tabling, tap and shock-proof front-fork assembly can be made to form tool intensity high, the drive mechanism that synchronism is good, and be very easily positioned at correct angle and position during assembling, again through the connection of attaching parts, tap and shock-proof front-fork assembly just can be reliable, fast speed has assembled.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of shock-absorption front fork of bicycle of the present invention;
Fig. 2 is the exploded perspective view of shock-absorption front fork of bicycle of the present invention.
In figure:
1, tap; 2, rubber cradle; 3, vertical tube of front fork; 4, headstock vertical tube; 5, the first spring; 6, the second spring; 7, breeches pipe assembly; 71, connector; 72, cross connection pipe; 73, left breeches pipe; 731, fixed pan; 74, transverse slat; 75, right breeches pipe; 8, recoil spring; 9, attaching parts; 10, handle-bar.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments, the range of use of path indicator of the present invention is not limited to fire protection sector, also can be used for the route guiding that mine, exploration etc. are movable.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of shock-absorption front fork of bicycle as shown in Figure 1-2, bicycle running direction is controlled for bicyclist, be installed on bicycle headstock, for connecting front wheel and bicycle directional handle 10, and be connected with cycle frame by headstock vertical tube 4, headstock vertical tube 4 is connected rotatably with shock-proof front-fork assembly, comprising:
Be sheathed on the vertical tube of front fork 3 in headstock vertical tube 4, it has a through hole extended vertically, and is provided with annular knurl gear ring in the upper end of through hole, is provided with a negative thread circle in the lower end of through hole;
The tap 1 be connected with handle-bar 10, tap 1 has one to the joint portion of downward-extension, and be provided with an outer annular knurl gear ring corresponding to interior annular knurl gear ring in end, joint portion outer peripheral edges, it is high which connects not only efficiency of assembling, and be convenient to reliably transmit the rotating torque that can change direction of riding, joint portion end face is also provided with a combined hole, and the joint portion of tap 1 is stretched in headstock vertical tube 4 by top, and within annular knurl gear ring embed in outer annular knurl gear ring and form combination;
Be connected breeches pipe assembly 7 with the two ends of the wheel shaft of front wheel, comprise the connector 71 of left breeches pipe 73, right breeches pipe 75 and upper end, the end of connector 71 is provided with an outside thread circle corresponding to negative thread circle, and connector 71 is also provided with a connecting through hole;
For connecting the attaching parts 9 of tap 1 and breeches pipe assembly 7, attaching parts 9 is preferably screw, and combined hole is preferably internal thread hole, and attaching parts 9 stretches into by below the connecting through hole of connector 71, through the through hole of vertical tube of front fork 3, and is upwards connected with the combined hole of tap 1;
For the suspension system of shock-absorbing, comprise the first spring 5 and the second spring 6, first spring 5 and be arranged between tap 1 and breeches pipe assembly 7, and be positioned at headstock vertical tube 4, second spring 6 and be arranged between headstock vertical tube 4 lower surface and connector 71 boss.
Of the present invention can shock absorbing bicycle front fork, when front-wheel is through uneven ground, the shaking force that breeches pipe assembly 7 is subject to first absorbs through being arranged in the second spring 6 between headstock vertical tube 4 lower surface and connector 71 boss, to reduce the application force to the bicyclist on vehicle frame, breeches pipe assembly 7 moves, affect the vertical tube of front fork 3 be fixedly connected with connector 71, shaking force absorbs through the first spring 5 be arranged between tap 1 and breeches pipe assembly 7, reduce the application force to the both arms on bicyclist's handle-bar 10, and the present invention uses the mode direction of transfer rotating torque of annular knurl gear ring tabling, tap 1 and shock-proof front-fork assembly can be made to form tool intensity high, the drive mechanism that synchronism is good, and be very easily positioned at correct angle and position during assembling, again through the connection of attaching parts 9, tap 1 and shock-proof front-fork assembly just can be reliable, fast speed has assembled.
As further technical scheme, in order to reduce the friction force of relative motion between shock-proof front-fork assembly and headstock vertical tube 4, between vertical tube of front fork 3 and headstock vertical tube 4, be provided with upper and lower two bearings.
As further technical scheme, the impact between connector 71 and attaching parts 9, shock-proof front-fork assembly also comprises a recoil spring 8, between the end face being arranged in attaching parts 9 and connector 71.
As further technical scheme, in order to prevent the impact of boss and headstock vertical tube 4 upper surface of locating for headstock vertical tube 4 on tap 1, between leading 1 and headstock vertical tube 4, be also provided with rubber cradle 2.
As further technical scheme, be also provided with a transverse slat 74 between left breeches pipe 73 and right breeches pipe 75, transverse slat 74 is provided with at least one fixed orifice, for fixing headlight or bicycle basket.
As further technical scheme, connector 71 with can be integral structure, also can be split type removably connecting, when wherein removably connecting, on be respectively equipped with outside thread away from one end of wheel shaft, connector 71 is located on a cross connection pipe 72, and symmetrical two of cross connection pipe 72 is provided with negative thread, is threaded respectively with cross connection pipe 72.
As further technical scheme, for the ease of being connected with the reliable of wheel shaft, upper one end be connected with wheel shaft is respectively provided with fixed pan 731.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a shock-absorption front fork of bicycle, is installed on bicycle headstock, for connecting front wheel and bicycle directional handle, and be connected with cycle frame by headstock vertical tube, described headstock vertical tube is connected rotatably with shock-proof front-fork assembly, it is characterized in that, comprising:
Be sheathed on the vertical tube of front fork in described headstock vertical tube, it has a through hole extended vertically, and is provided with annular knurl gear ring in the upper end of described through hole, is provided with a negative thread circle in the lower end of described through hole;
The tap be connected with described handle-bar, described tap has one to the joint portion of downward-extension, and be provided with an outer annular knurl gear ring corresponding to described interior annular knurl gear ring in end, joint portion outer peripheral edges, described joint portion end face is also provided with a combined hole, the joint portion of described tap is stretched in headstock vertical tube by top, and embeds formation combination in described outer annular knurl gear ring with described interior annular knurl gear ring;
Be connected breeches pipe assembly with the two ends of the wheel shaft of described front wheel, comprise the connector of left breeches pipe, right breeches pipe and upper end, the end of described connector is provided with an outside thread circle corresponding to described negative thread circle, and described connector is also provided with a connecting through hole;
For connecting the attaching parts of described tap and described breeches pipe assembly, stretching into by below the described connecting through hole of described connector, through the described through hole of described vertical tube of front fork, and being upwards connected with the described combined hole of described tap;
For the suspension system of shock-absorbing, comprise the first spring and the second spring, described first Spring Card is located between described tap and described breeches pipe assembly, and is positioned at described headstock vertical tube, and described second Spring Card is located between described headstock vertical tube lower surface and the boss of described connector.
2. shock-absorption front fork of bicycle according to claim 1, is characterized in that: also comprise a recoil spring, between the end face being arranged in described attaching parts and described connector.
3. shock-absorption front fork of bicycle according to claim 1, is characterized in that: be also provided with a transverse slat between described left breeches pipe and described right breeches pipe, described transverse slat is provided with at least one fixed orifice.
4. shock-absorption front fork of bicycle according to claim 1, is characterized in that: described connector and described left and right breeches pipe are integral type structure.
5. shock-absorption front fork of bicycle according to claim 1, is characterized in that: described connector and described left and right breeches pipe are respectively and removably connect.
6. shock-absorption front fork of bicycle according to claim 1, is characterized in that: one end that described left and right breeches pipe is connected with described wheel shaft is respectively provided with fixed pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006791.3A CN104527892A (en) | 2015-01-07 | 2015-01-07 | Bicycle suspension fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006791.3A CN104527892A (en) | 2015-01-07 | 2015-01-07 | Bicycle suspension fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104527892A true CN104527892A (en) | 2015-04-22 |
Family
ID=52843603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006791.3A Pending CN104527892A (en) | 2015-01-07 | 2015-01-07 | Bicycle suspension fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104527892A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585247A (en) * | 2017-10-20 | 2018-01-16 | 宝鸡金恒瑞金属科技有限公司 | A kind of bicycle front fork |
-
2015
- 2015-01-07 CN CN201510006791.3A patent/CN104527892A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585247A (en) * | 2017-10-20 | 2018-01-16 | 宝鸡金恒瑞金属科技有限公司 | A kind of bicycle front fork |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |