CN208760813U - A kind of bicycle Dual-link shockproof front fork - Google Patents
A kind of bicycle Dual-link shockproof front fork Download PDFInfo
- Publication number
- CN208760813U CN208760813U CN201820893633.3U CN201820893633U CN208760813U CN 208760813 U CN208760813 U CN 208760813U CN 201820893633 U CN201820893633 U CN 201820893633U CN 208760813 U CN208760813 U CN 208760813U
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- Prior art keywords
- fork
- link
- rod bearing
- rod
- front fork
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Abstract
The utility model relates to bicycle mechanical technical fields, specially a kind of bicycle Dual-link shockproof front fork, including upper fork assembly, connecting rod ASSY and lower fork assembly, the upper fork assembly is made of turning-bar and shoulder lid, the connecting rod ASSY is made of upper connecting rod, lower link and the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three, and the lower fork assembly is made of damping stroke pipe and crown, two fork blades in left and right, brake mount, wheel mounting base；The utility model has the beneficial effects that passing through the improvement to existing bicycle front fork; a kind of bicycle Dual-link shockproof front fork is set to have the effect of that damping stroke is big; to the smaller tremors that effectively filtering bicycle front fork encounters; when for encountering big vibration and large impact, cyclist can be effectively protected.
Description
Technical field
The utility model relates to bicycle mechanical technical field, specially a kind of bicycle Dual-link shockproof front fork.
Background technique
Front fork component is in front position in bicycle structure, its upper end is connected with handlebar component, frame part and
Front tube cooperation, lower end and preceding shaft member cooperate, and form the guidance system of bicycle；Handlebar and front fork are rotated, front-wheel can be made to change
It changes direction, plays the guiding role of bicycle, further, it is also possible to play the role of controlling bicycle running.Bicycle front fork
It is the decisive soul part of bicycle comfort level.
Fig. 1 is the bicycle front fork of the prior art, the part explanation of the prior art: 1-1- steering tube；1-2- shoulder lid；1-3-
Bearing；1-4- crown；1-5- elasticity blob of viscose；1-6- fork blade；1-7- brake mount；1-8- wheel mounting base.
It in the prior art include upper fork assembly and lower fork assembly；Wherein steering tube 1-1 and shoulder lid 1-2 is constituted and is pitched assembly,
Its on-link mode (OLM) is welding or crimping；Crown 1-4 constitutes lower fork together with fork blade 1-6, brake mount 1-7, wheel mounting base 1-8
Assembly, crown 1-4 are welding with fork blade 1-6 or crimp that brake mount 1-7 and fork blade 1-6, brake mount 1-7 and wheel are pacified
Filling seat 1-8 is welding.
Fig. 2 is that the front fork of the prior art is pressurized and non-pressured state comparison diagram, and a is the non-pressured state of existing front fork；B be by
Pressure condition, c are comparison diagram.
Fig. 3 is the position versus figure that the front fork of the prior art is pressurized with lower fork assembly when non-pressured state, and a is front fork compression
Contracting Chain stay assembly position, b are lower fork assembly position when front fork is uncompressed.
Fig. 4 is that the front fork of the prior art is pressurized the position versus figure of wheel mounting base when with non-pressured state, a be front fork by
The position of wheel mounting base 1-8 when pressure, b are the position versus figure of wheel mounting base 1-8 when front fork is not pressurized.Thus may be used
See that, when front fork is pressurized, the position of wheel mounting base 1-8 can do horizontal direction 100mm left and right displacement, up and down direction in Fig. 4
40mm or so damping rate.
Fig. 5 is that the vehicle front-wheel of the prior art is pressurized and non-pressured state comparison diagram, vehicle front-wheel are mounted on wheel in Fig. 5
On the position of mounting base, b is state when not being pressurized, and a is state when being pressurized.Front-wheel, which encounters to jolt, when the vehicle is running causes wheel
When impact from bottom to top, since there are the link of turning point, front fork can be moved to upper left side shown in Fig. 5, while can be to Fig. 1
Middle elasticity blob of viscose is compressed, and thus front fork can be filtered smaller jolt.
Existing front fork disadvantage:
Due to steering tube 1-1 and shoulder lid 1-2, bearing 1-3 and shoulder fork 1-4 are rigid connection and do rotation company by bearing 1-3
It connects, due to front fork structure, causes the height of bearing 1-3 can not be excessive；When front fork encounters the vibration from Fig. 5 from bottom to top
Or when impact, since lower fork assembly need to be rotated and elasticity of compression blob of viscose 1-5 around bearing 1-3, wheel is thus caused to subtract
Shake to generate when work and significantly be moved from what the right side was turned left, this movement need to offset vehicle advance in encounter and jolt or barrier
When impact force tiny vibration filtering is not thorough so it is insensitive to will lead to front fork damping effect, cause personnel's shake of riding
Hand；Simultaneously as the on-link mode (OLM) of the prior art, in order to avoid front fork is unlikely to make the cross of wheel mounting base 1-8 in damping
To be displaced the excessive impact force caused on fork blade 1-6 it is excessive and cause fracture (when front fork chance shakes from bottom to top, upper lower fork
Assembly can axially move around bearing 1-3, and the angle on fork blade 1-6 and ground will become larger, this angle is bigger, fork blade 1-
The transverse pressure being subjected on 6 will be excessive), and because described in upper, existing front fork can not become the suppressed range of elastic blob of viscose 1-5
Greatly, so the damping rate up and down for also having led to wheel mounting base 1-8 reduces.Due to the height of wheel mounting base 1-8
It is smaller, when front fork encounters biggish impact from bottom to top, it can not just accomplish good shock-absorbing effect since damping rate is smaller
Fruit.
Summarize to existing front fork: as shown in Figure 2, wheel mounting base need to make bearing axial traversing when due to damping, cause
Front fork is not thorough the filtering of tiny vibration when compressing up and down；When front fork encounters greater impact, due to wheel mounting base because by
The influence of elastic blob of viscose and cause up and down buffer distance it is inadequate, so the damping effect under large impact is also bad.
The bicycle front fork of the prior art is filtered when encountering smaller tremors and is not thorough, when encountering big vibration, large impact by
In damping stroke it is too small can not effective protection cyclist the problem of.
Based on this, the utility model devises a kind of bicycle Dual-link shockproof front fork, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of bicycle Dual-link shockproof front forks, to solve in above-mentioned background technique
The bicycle front fork of proposition is filtered when encountering smaller tremors and is not thorough, when encountering big vibration, large impact, due to damping stroke mistake
It is small can not effective protection cyclist the problem of.
The utility model provides a kind of bicycle Dual-link shockproof front fork, including upper fork assembly, connecting rod ASSY and lower fork
Assembly, the upper fork assembly are made of turning-bar and shoulder lid；The turning-bar and shoulder lid are Hard link；
The connecting rod ASSY is made of upper connecting rod, lower link and the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three；Institute
It is to be flexibly connected that upper connecting rod, lower link, which are stated, with the connection type between the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three；
The lower fork assembly is made of damping stroke pipe and crown, two fork blades in left and right, brake mount, wheel mounting base；
The damping stroke pipe and crown are Hard link；
Upper fork assembly is socketed with lower fork assembly by damping stroke pipe and the bearing holder (housing, cover) in shoulder lid；
The connecting-rod bearing one is connect with shoulder lid, and the upper end of upper connecting rod is connect with the connecting-rod bearing one, the lower end of upper connecting rod with
The connecting-rod bearing two connects, and the upper end of lower link is connect with the connecting-rod bearing two, and the lower end of lower link is connect with the connecting-rod bearing three, connecting rod
Bearing three is connect with crown.
The upper connecting rod and lower link of the connecting rod ASSY are isometric.
Flexible medium in the damping stroke pipe.
The upper connecting rod, lower link pass through the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three and upper fork assembly, lower fork
After assembly connection, upper fork assembly and lower fork assembly are moved up and down always without doing axial-rotation.
The utility model has the beneficial effects that keeping away a kind of bicycle double link by the improvement to existing bicycle front fork
Shake front fork has the effect of that damping stroke is big, so that the smaller tremors that effectively filtering bicycle front fork encounters, big for encountering
When vibration and large impact, cyclist can be effectively protected.
The utility model is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the bicycle front fork of the prior art.
Fig. 2 is that the front fork of the prior art is pressurized and non-pressured state comparison diagram.
Fig. 3 is the position versus figure that the front fork of the prior art is pressurized with lower fork assembly when non-pressured state.
Fig. 4 is the position versus figure that the front fork of the prior art is pressurized with wheel mounting base when non-pressured state.
Fig. 5 is that the vehicle front-wheel of the prior art is pressurized and non-pressured state comparison diagram.
Fig. 6 is Dual-link shockproof front fork.
Fig. 7 is that front fork is pressurized and non-pressured state comparison diagram.
Fig. 8 is working principle diagram.
Fig. 9 is running track figure when front-wheel mounting base is moved from bottom to top.
Figure 10 is that vehicle front-wheel is pressurized and non-pressured state comparison diagram.
Figure 11 be retarding travel pipe elastic fluid be common spring when internal structure chart.
In attached drawing, component representated by each label of the prior art is as follows:
1-1- steering tube；1-2- shoulder lid；1-3- bearing；1-4- crown；1-5- elasticity blob of viscose；1-6- fork blade；1-7- stops
Vehicle seat；1-8- wheel mounting base.
In attached drawing, component representated by each label of the utility model:
Assembly is pitched on 2-；2-1- turning-bar；2-2- shoulder lid；3- connecting rod ASSY；3-1- upper connecting rod；3-2- lower link；3-3-
The connecting-rod bearing one；The 3-4- connecting-rod bearing two；The 3-5- connecting-rod bearing three；4- lower fork assembly；4-1- damping stroke pipe；4-1-1- is common
Spring；4-2- crown；Two fork blades of 4-3- or so；4-4- brake mount；4-5- wheel mounting base.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
The utility model provides a kind of a kind of bicycle Dual-link shockproof front fork as shown in FIG. 6, including upper fork assembly,
Connecting rod ASSY and lower fork assembly, the upper fork assembly are made of turning-bar and shoulder lid；The turning-bar and shoulder lid are welding, press
Connection is integrally manufactured；
The connecting rod ASSY is made of upper connecting rod, lower link and the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three；Institute
State upper connecting rod, lower link and the connecting-rod bearing one, the connecting-rod bearing two, the connection type between the connecting-rod bearing three are that screw thread or pin connect
It connects；
The lower fork assembly is made of damping stroke pipe and crown, two fork blades in left and right, brake mount, wheel mounting base；
The damping stroke pipe and crown are welding, pressing connect or integrally manufactured；
Upper fork assembly is socketed with lower fork assembly by damping stroke pipe and the bearing holder (housing, cover) in shoulder lid；
The connecting-rod bearing one is connect with shoulder lid, and the upper end of upper connecting rod is connect with the connecting-rod bearing one, the lower end of upper connecting rod with
The connecting-rod bearing two connects, and the upper end of lower link is connect with the connecting-rod bearing two, and the lower end of lower link is connect with the connecting-rod bearing three, connecting rod
Bearing three is connect with crown.
The upper connecting rod and lower link of the connecting rod ASSY are isometric.
Flexible medium in the damping stroke pipe.
The upper connecting rod, lower link pass through the connecting-rod bearing one, the connecting-rod bearing two, the connecting-rod bearing three and upper fork assembly, lower fork
After assembly connection, upper fork assembly and lower fork assembly are moved up and down always without doing axial-rotation.
Embodiment 1
Vehicle front-wheel is mounted in Fig. 6 on the position of wheel mounting base, and front-wheel, which encounters to jolt, when the vehicle is running causes vehicle
When taking turns impact from bottom to top, slide axially up and down since retarding travel pipe can be done in shoulder lid, and upper fork assembly and lower fork are total
It is connected at by upper connecting rod, lower link and the connecting-rod bearing one, the connecting-rod bearing two and three bearing of the connecting-rod bearing, and upper connecting rod and lower company
Bar is to wait long connecting rods, this connecting rod limits fork assembly and lower fork assembly only carries out axial position sliding up and down and can not do axis
To rotation；Due to flexible medium in retarding travel pipe, such as air spring or common spring and damping regulating system and locked
The presence of system can carry out damping campaign from bottom to top when front-wheel meets and jolts.
When front fork chance is impacted from bottom to top, since vehicle front-wheel is mounted in Fig. 6 on the position of wheel mounting base, such as scheme
11 be retarding travel pipe elastic fluid be common spring when internal structure chart, as Fig. 7 be front fork be pressurized with non-pressured state
Comparison diagram, a are state when this front fork is uncompressed, and b is state when front fork is compressed, and c is comparison diagram；As Fig. 8 work is former
Reason figure, front-wheel encounters when the vehicle is running when jolting cause wheel impact from bottom to top, since retarding travel pipe is in shoulder lid
It can do and slide axially up and down, a is after being pressurized, and b is not to be pressurized, and when front-wheel is by pressure from bottom to top, a, a7 point can be relative to
B, b7 point moves upwards；And a6 can do upper right side movement relative to b6；The connecting-rod bearing one whether by pressure from bottom to top,
Position remains unchanged；Since upper fork assembly and lower fork assembly are connected by upper connecting rod in Fig. 6 and lower link, damping can only be passed through
Stroke pipe is done in steering tube and shoulder lid to slide axially up and down and can not do axial-rotation；If Fig. 9 is that front-wheel mounting base carries out certainly
Running track figure when lower and upper movement, position when b12 is uncompressed, position when a12 is compressed.
As it can be seen that the present invention, when front fork by impacting from bottom to top, front-wheel can carry out in larger range around wheel mounting base
Movement from bottom to top, compression zone can be determined by the reduction length to the elastic fluid installed in the damping stroke pipe in Fig. 6
It is fixed, it can reach the suppressed range of 50mm ~ 150mm in practice, and horizontal direction can do few change in location from left to right.
In conclusion there is a kind of bicycle Dual-link shockproof front fork and subtract by the improvement to existing bicycle front fork
The big effect of stroke is shaken, thus the smaller tremors that effectively filtering bicycle front fork encounters, for encountering big vibration and large impact
When, cyclist can be effectively protected.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (4)
1. a kind of bicycle Dual-link shockproof front fork, including upper fork assembly (2), connecting rod ASSY (3) and lower fork assembly (4), special
Sign is: the upper fork assembly (2) is made of turning-bar (2-1) and shoulder lid (2-2)；The turning-bar (2-1) and shoulder lid (2-2)
For Hard link；
The connecting rod ASSY (3) is by upper connecting rod (3-1), lower link (3-2) and the connecting-rod bearing one (3-3), two (3- of the connecting-rod bearing
4), the connecting-rod bearing three (3-5) is constituted；The upper connecting rod (3-1), lower link (3-2) and the connecting-rod bearing one (3-3), the connecting-rod bearing
Connection type between two (3-4), the connecting-rod bearing three (3-5) is to be flexibly connected；
The lower fork assembly (4) is by damping stroke pipe (4-1) and crown (4-2), left and right two fork blades (4-3), brake mount (4-
4), wheel mounting base (4-5) is constituted；The damping stroke pipe (4-1) and crown (4-2) are Hard link；
Upper fork assembly (2) is socketed with lower fork assembly (4) by damping stroke pipe (4-1) and the bearing holder (housing, cover) in shoulder lid (2-2)；
The connecting-rod bearing one (3-3) connect with shoulder lid (2-2), and the upper end of upper connecting rod (3-1) and the connecting-rod bearing one (3-3) are even
It connects, the lower end of upper connecting rod (3-1) is connect with the connecting-rod bearing two (3-4), the upper end of lower link (3-2) and the connecting-rod bearing two (3-4)
Connection, the lower end of lower link (3-2) are connect with the connecting-rod bearing three (3-5), and the connecting-rod bearing three (3-5) is connect with crown (4-2).
2. a kind of bicycle Dual-link shockproof front fork as described in claim 1, it is characterised in that: the connecting rod ASSY (3)
Upper connecting rod (3-1) and lower link (3-2) are isometric.
3. a kind of bicycle Dual-link shockproof front fork as described in claim 1, it is characterised in that: the damping stroke pipe (4-
1) flexible medium in.
4. a kind of bicycle Dual-link shockproof front fork as described in claim 1, it is characterised in that: the upper connecting rod (3-1), under
Connecting rod (3-2) by the connecting-rod bearing one (3-3), the connecting-rod bearing two (3-4), the connecting-rod bearing three (3-5) and upper fork assembly (2), under
After pitching assembly (4) connection, upper fork assembly (2) and lower fork assembly (4) are moved up and down always without doing axial-rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820893633.3U CN208760813U (en) | 2018-06-11 | 2018-06-11 | A kind of bicycle Dual-link shockproof front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820893633.3U CN208760813U (en) | 2018-06-11 | 2018-06-11 | A kind of bicycle Dual-link shockproof front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208760813U true CN208760813U (en) | 2019-04-19 |
Family
ID=66126741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820893633.3U Expired - Fee Related CN208760813U (en) | 2018-06-11 | 2018-06-11 | A kind of bicycle Dual-link shockproof front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208760813U (en) |
-
2018
- 2018-06-11 CN CN201820893633.3U patent/CN208760813U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20200611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |