CN201980363U - Head bowl group capable of regulating angle of front fork - Google Patents
Head bowl group capable of regulating angle of front fork Download PDFInfo
- Publication number
- CN201980363U CN201980363U CN2011200563785U CN201120056378U CN201980363U CN 201980363 U CN201980363 U CN 201980363U CN 2011200563785 U CN2011200563785 U CN 2011200563785U CN 201120056378 U CN201120056378 U CN 201120056378U CN 201980363 U CN201980363 U CN 201980363U
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- Prior art keywords
- bowl
- front fork
- group
- angle
- head
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- Expired - Lifetime
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Abstract
The utility model relates to a head bowl group capable of regulating the angle of a front fork, which mainly consists of an upper bowl group and a lower bowl group, wherein the upper bowl group and the lower bowl group are arranged at both ends of a vehicle frame head pipe, the upper bowl group comprises an upper bowl seat, an upper bowl element and a guide element, the upper bowl seat is provided with an oval hole in the axis direction, the oval hole is respectively provided with a stop surface at the inner walls of both sides in a direction parallel to the long axis, the upper bowl element is provided with an eccentric slotted hole for penetrating and installing a front fork vertical pipe, the eccentric slotted hole is downwards and gradually contracted and extends for forming an eccentric seat for being embedded into the oval hole, and the guide element can be glidingly arranged on the upper bowl seat in the short axis direction of the oval hole and is provided with a round hole for sheathing the upper bowl element, so the upper bowl element can rotate in the guide element. Therefore, when the upper bowl element rotates, the eccentric seat can be in contact with the stop surfaces, and the guide element can be synchronously driven to slide and move, so the eccentric slotted hole can only displace in the long axis direction of the oval hole, and further, the angle of the front fork vertical pipe is driven to generate deflection.
Description
Technical field
The utility model is a kind of headset group, in more detail, especially refers to a kind of angle for adjusting front fork, in order to change between front and back wheel distance of shaft centers from, make it cooperate driving road-condition and rider's demand.
Background technology
Press, one vehicle frame head pipe of Regular Bicycle, supply to be connected by a bowl group with a standpipe of front fork and stem, owing to cooperating the angle of vehicle frame head pipe to be, the angle of this standpipe of front fork fixedly installs, to the greatest extent can be by the two groups of bearings up and down that are provided with in this bowl group, in this vehicle frame head pipe, to rotate; For the Regular Bicycle rider, though standpipe of front fork there is no the necessary demand of angular adjustment, but for pedal pusher, because the racing track highway section of the various different set of often need passing through, therefore the suitable tool diversity of its road conditions that drive makes its degree of controlling and degree of stability when driving also have higher relatively demand property.
Yet, what drive controls sensitivity and degree of stability, and cruising ability depends on the distance between front and back wheel and the angle of standpipe of front fork, when wheelspan shortens, the sensitivity of controlling can improve, and therefore is fit to the highway section of more bending, and when wheelspan is elongated, the degree of stability of controlling can improve, and therefore is fit to the straight line fastlink; Though general vehicle frame all has mostly through suitable designed the forming of wheelspan, between sensitivity and degree of stability, to average out, can't be by the angle of adjusting standpipe of front fork and the multiple demand that wheelspan satisfies the rider.
Open the shortcoming of prior art on comprehensive, it is fixing to comprise that haply the angle of the standpipe of front fork of commonly using bicycle and wheelspan system are all, therefore and can't cooperate the road conditions that drive by angle and the wheelspan of adjusting standpipe of front fork, and to satisfy rider's multiple demand; And, the utility model proposes a kind of head bowl group of adjusting the front fork angle in view of solving above-mentioned shortcoming.
Summary of the invention
The purpose of this utility model is, a kind of head bowl group of adjusting the front fork angle is provided, it is simple in structure, dismounting and easy to use, can not only adjust the angle of standpipe of front fork according to the road conditions that drive to change wheelspan by the rider, satisfying rider's multiple demand, and quite convenient and save time in the operation.
For achieving the above object, the utility model discloses a kind of head bowl group of adjusting the front fork angle, by be located at vehicle frame head pipe two ends one on the bowl group and once bowl group compositions it is characterized in that on this bowl organizing and comprise to connect a standpipe of front fork:
Bowl seat on one is provided with an elliptical aperture along axis direction, and this elliptical aperture has a major axis and a minor axis and is respectively equipped with a stopping surface in the axial both sides of parallel long inwall;
Bowl part on one is located on the bowl seat, and it has an annulus portion, and this annulus portion is provided with an eccentric slotted eye that supplies standpipe of front fork to wear, and the downward convergent of eccentric slotted eye extends to annulus portion bottom and embeds in the elliptical aperture and the eccentric mounting that contacts with these stopping surfaces to form one; And
One is located at correcting part on the upper bowl seat slidably along the elliptical aperture short-axis direction, when upper bowl part can rotate on this bowl part rotation in the correcting part thereby it has a sheathed annulus section eccentric mounting contact with stopping surface and drive synchronously the slippage of correcting part with bowl part on eliminating along the displacement of elliptical aperture short-axis direction with the shaft core position of the eccentric slotted eye of correcting and only can be along the circular hole of the angle generation beat of the displacement of elliptical aperture long axis direction and then drive standpipe of front fork.
Wherein, bowl seat is respectively equipped with a limiting section in the both sides of elliptical aperture long axis direction on this, and formation one correcting part is established storage tank in the inner slippingly between this two limiting section.
Wherein, each limiting section is provided with a fixed plate, and one makes the fixedly retaining element of correcting part of fixed plate packing.
Wherein, each stopping surface is formed by a supporting part of a cambered surface that is arranged with on the elliptical aperture and this cambered surface bottom.
Wherein, bowl part convexes with at least one adjustment projection on this in annulus portion.
Wherein, bowl group and this lower bowl group have respectively a upper bearing (metal) group and bearing group once on this, and this upper bearing (metal) is mounted in the eccentric slotted eye, and this lower bearing be mounted on the head tube bottom once bowl in.
Wherein, this head bearing group and this lower bearing group respectively are the outer collar bearing of an arc.
Wherein, being provided with one in this correcting part supplies annulus section to be embedded at rotationally interior ring groove.
By said structure, the utility model can be realized following technique effect:
One, be by the cooperation between stopping surface and eccentric mounting, and see through the single shaft slippage of correcting part, to eliminate the displacement of bowl part along the elliptical aperture short-axis direction, make eccentric slotted eye only can produce beat with the angle that drives standpipe of front fork along elliptical aperture long axis direction parallel displacement, the angle of using via the adjustment standpipe of front fork changes wheelspan, the rider can be adjusted, to satisfy rider's multiple demand according to the road conditions that drive.
Two, be that bowl group and lower bowl of interior upper bearing (metal) group and the lower bearing group of group respectively are the outer collar bearing of an arc, so that standpipe of front fork can carry out oblique beat along scalene cone.
Three, be that operation adjustment is quite easy, can finely tuning rapidly by the upper bowl of a rotation part, suitable facility and saving time in the operation.
Four, be can revise the magnitude of error of vehicle frame head tube angulation by the angle of adjusting standpipe of front fork, be the best with the wheelspan of guaranteeing bicycle.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model in running condition.
Fig. 2 is the three-dimensional combination figure of the utility model in running condition.
Fig. 3 is an action scheme drawing of the present utility model ().
Fig. 4 is an action scheme drawing of the present utility model (two).
Fig. 5 is an action scheme drawing of the present utility model (three).
Fig. 6 is an action scheme drawing of the present utility model (four).
Fig. 7 is that the utility model is in the action scheme drawing of adjusting the front fork tube angle.
The specific embodiment
For ease of explanation the utility model represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects are to describe in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not are drawn in the ratio of actual components.And in the following description, similarly element is to represent with identical numbering.
As shown in Figures 1 and 2, the utility model is a kind of head bowl group of capable of regulating angle of front fork, comprise that mainly bowl group 10 reaches bowl group 20 on one, to be located at respectively the up and down two ends of a vehicle frame head pipe 30, this vehicle frame head pipe 30 wears this sheathed leader's standpipe 50 in standpipe of front fork 40 tops for a standpipe of front fork 40.
Should upper bowl group 10 comprise on one bowl part 12, a correcting part 13 on the bowl seat 11,, and a upper bearing (metal) group 14 and a packing ring 15; Should be upper bowl seat 11 be provided with an elliptical aperture 111 along axis direction, this elliptical aperture 111 has a major axis and a minor axis, this elliptical aperture 111 is arranged with respectively a cambered surface 112 in the axial both sides of parallel long inwall, and these cambered surface 112 bottoms inwardly are convexly equipped with a supporting part 113, make each cambered surface 112 and this supporting part 113 form a stopping surface 114; Should be upper bowl seat 11 be respectively equipped with a limiting section 115 in the both sides of elliptical aperture 111 long axis directions, make 115 of this two limiting sections form a storage tank 116, and each limiting section 115 is provided with a stator 117.
Should a upper bowl part 12 be located at this on the bowl 11, should have an annulus section 121 by upper bowl part 12, this annulus section 121 is provided with an eccentric slotted eye 122, this off-centre slotted eye 122 wears for standpipe of front fork 40, these off-centre slotted eye 122 downward convergents extend to this annulus section 121 bottoms, and to form an eccentric mounting 123, this eccentric mounting 123 is in the elliptical aperture 111 that embeds upper bowl seat 11, with this supporting part 113 of normality contact, and can be for contacting with cambered surface 112.
Should in annulus section 121, convex with at least one adjustment projection 124 by upper bowl part 12; This upper bearing (metal) group 14 is located in this off-centre slotted eye 122, and this upper bearing (metal) group 14 is the outer collar bearing of an arc, and this packing ring 15 is located in this upper bearing (metal) group 14, and this packing ring 15 of mat is to provide the packing effect of 14 of standpipe of front fork 40 and upper bearing (metal) groups.
This correcting part 13 can be located on this on bowl seat 11 slidably along the elliptical aperture short-axis direction, and it has a circular hole 131, and the bottom is provided with a ring groove 132, and this circular hole 131 rotatably is embedded in this ring groove 132 annulus section 121 for sheathed upper bowl part 12; The both sides of the edge of these correcting part 13 upper surfaces are resisted against respectively each stator 117, and each stator 117 mats one retaining element 118 is fixed in the storage tank 116 correcting part 13 with the fixing correcting part 13 of packing, come off and be unlikely to produce.
This lower bowl group 20 is to comprise bowl seat 21, bearing group 22 once, and fill in 23 once, this time plug 23 is press-fitted the bottom that is placed in standpipe of front fork 40, this lower bowl seat 21 is sheathed on this vehicle frame head pipe 30 bottoms, and this lower bearing group 22 is located in this lower bowl seat 21, and this lower bearing group 22 also is the outer collar bearing of an arc.
After understanding said structure, below do one for action of the present utility model and principle and describe in detail:
As shown in Figure 3, when last bowl part 12 rotates to when adjusting projection 124 towards the place ahead, this eccentric mounting 123 is not contacted with the cambered surface 112 of both sides, is aligned in centre on the bowl 11 and go up bowl part 12 and correcting part 13, at this moment, this off-centre slotted eye 122 can be offset the shaft core position of bowl seat 11 on this backward; As shown in Figure 4, when desire is adjusted the angle of standpipe of front fork 40, earlier the retaining element 118 on these fixed plates 117 is unscrewed a little, and the screw lock part of stem 50 tops is also unscrewed, and utilize finger to stir the adjustment projection 124 on the bowl part 12 on this, to rotate bowl part 12, when rotating to, bowl part 12 on this adjusts projection 124 when right-hand, this eccentric mounting 123 can contact with the cambered surface 112 on right side, with synchronous drive correcting part 13 slippages to the right, cooperation by 123 of stopping surface 114 and eccentric mountings, when making correcting part 13 carry out slippage, can eliminate the displacement of bowl part 12, in order to do shaft core position with the eccentric slotted eye 122 of correcting along elliptical aperture 111 short-axis directions, make them only can be, on the shaft core position that is moved to bowl seat 11 along elliptical aperture 111 long axis direction displacements.
Such as Fig. 5 and shown in Figure 6, according to above-mentioned adjustment mode, continue the upper bowl of rotation part 12, when 12 rotations of upper bowl part when adjusting projection 124 towards the rear, this off-centre slotted eye 122 can be offset from forward the shaft core position of bowl seat 11, and when 12 rotations of upper bowl part to adjusting projection 124 when right-hand, this off-centre slotted eye 122 also can return back on the shaft core position of bowl seat 11 again; By this, see through and adjust moving forward and backward of eccentric slotted eye 122, produce beat with the angle that drives standpipe of front fork 40.
Yet, the turn direction of above-mentioned upper bowl part 12 and cause the adjustment direction of eccentric slotted eye 122 only to be explanation action of the present utility model and principle, its setting party that need cooperate eccentric mounting 123 and adjust projection 124 of actual adjustment direction to and decide.
As shown in Figure 7, because the long axis direction of elliptical aperture 111 is consistent with the main body of vehicle frame axis direction on the last bowl seat 11, and this vehicle frame head pipe 30 is oblique setting, when therefore desire adjustment wheelspan is maximum, to go up bowl part 12 and rotate to adjustment projection 124, and can drive standpipe of front fork 40 and carry out oblique beat, after the angle of desiring to be adjusted along head bearing group 14 and lower bearing group 22 towards the place ahead (as shown in Figure 3), again these retaining elements 118 are screwed, make these fixed plate 117 packing correcting parts 13 to fix; Otherwise desire is adjusted wheelspan for hour, will go up bowl part 12 and rotate to adjustment projection 124 (as shown in Figure 5) gets final product towards the rear; By this, see through the angular adjustment of standpipe of front fork 40, make the rider can adjust the length of wheelspan, to satisfy rider's multiple demand according to road conditions that drive and the different demand of driving; In addition, because can being subjected to the position that first three fillet welding of bicycle is connected to vehicle frame head pipe 30, the angle of vehicle frame head pipe 30 influences, yet, because the position of weld has magnitude of error a little unavoidably, and cause the angle of vehicle frame head pipe 30 to be changed, therefore seeing through the angular adjustment of standpipe of front fork 40, can revise the magnitude of error of vehicle frame head pipe 30 angles by this, is the best with the wheelspan of guaranteeing bicycle.
Though the utility model is to explain with a most preferred embodiment, is skillful in this skill person and can does various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.
Claims (8)
1. the head bowl group that can adjust the front fork angle, by be located at vehicle frame head pipe two ends one on the bowl group and once bowl group compositions it is characterized in that on this bowl organizing and comprise to connect a standpipe of front fork:
Bowl seat on one is provided with an elliptical aperture along axis direction, and this elliptical aperture has a major axis and a minor axis and is respectively equipped with a stopping surface in the axial both sides of parallel long inwall;
Bowl part on one is located on the bowl seat, and it has an annulus portion, and this annulus portion is provided with an eccentric slotted eye that supplies standpipe of front fork to wear, and the downward convergent of eccentric slotted eye extends to annulus portion bottom and embeds in the elliptical aperture and the eccentric mounting that contacts with these stopping surfaces to form one; And
One is located at correcting part on the upper bowl seat slidably along the elliptical aperture short-axis direction, when upper bowl part can rotate on this bowl part rotation in the correcting part thereby it has a sheathed annulus section eccentric mounting contact with stopping surface and drive synchronously the slippage of correcting part with bowl part on eliminating along the displacement of elliptical aperture short-axis direction with the shaft core position of the eccentric slotted eye of correcting and only can be along the circular hole of the angle generation beat of the displacement of elliptical aperture long axis direction and then drive standpipe of front fork.
2. a bowl group of capable of regulating angle of front fork as claimed in claim 1 is characterized in that bowl seat is respectively equipped with a limiting section in the both sides of elliptical aperture long axis direction on this, and formation one correcting part is established storage tank in the inner slippingly between this two limiting section.
3. the head bowl group of adjusting the front fork angle as claimed in claim 2 it is characterized in that each limiting section is provided with a fixed plate, and one makes the fixedly retaining element of correcting part of fixed plate packing.
4. the head bowl group of adjusting the front fork angle as claimed in claim 1 is characterized in that each stopping surface is formed by a supporting part of a cambered surface that is arranged with on the elliptical aperture and this cambered surface bottom.
5. the head bowl group of capable of regulating angle of front fork as claimed in claim 1 is characterized in that bowl part convexes with at least one adjustment projection on this in annulus section.
6. the head bowl group of adjusting the front fork angle as claimed in claim 1, it is characterized in that, should go up bowl group and this following bowl group and have a head bearing group and bearing set once respectively, this head bearing is mounted in the eccentric slotted eye, and this lower bearing be mounted on the head tube bottom once bowl in.
7. the head bowl group of capable of regulating angle of front fork as claimed in claim 6 is characterized in that, this upper bearing (metal) group and this lower bearing group respectively are the outer collar bearing of an arc.
8. the head bowl group of capable of regulating angle of front fork as claimed in claim 1 is characterized in that, is provided with one in this correcting part and supplies annulus section to be embedded at rotationally interior ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200563785U CN201980363U (en) | 2011-03-07 | 2011-03-07 | Head bowl group capable of regulating angle of front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200563785U CN201980363U (en) | 2011-03-07 | 2011-03-07 | Head bowl group capable of regulating angle of front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201980363U true CN201980363U (en) | 2011-09-21 |
Family
ID=44607827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200563785U Expired - Lifetime CN201980363U (en) | 2011-03-07 | 2011-03-07 | Head bowl group capable of regulating angle of front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201980363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673708A (en) * | 2011-03-07 | 2012-09-19 | 鋐光实业股份有限公司 | Headset group capable of adjusting front fork angle |
-
2011
- 2011-03-07 CN CN2011200563785U patent/CN201980363U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673708A (en) * | 2011-03-07 | 2012-09-19 | 鋐光实业股份有限公司 | Headset group capable of adjusting front fork angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |