CN201043003Y - Bicycle bead group tightening device - Google Patents
Bicycle bead group tightening device Download PDFInfo
- Publication number
- CN201043003Y CN201043003Y CNU2007201194828U CN200720119482U CN201043003Y CN 201043003 Y CN201043003 Y CN 201043003Y CN U2007201194828 U CNU2007201194828 U CN U2007201194828U CN 200720119482 U CN200720119482 U CN 200720119482U CN 201043003 Y CN201043003 Y CN 201043003Y
- Authority
- CN
- China
- Prior art keywords
- front fork
- pearl bowl
- bicycle
- bowl group
- fastening device
- 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 - Fee Related
Links
- 239000011324 bead Substances 0.000 title abstract 5
- 238000012856 packing Methods 0.000 claims description 14
- 125000003003 spiro group Chemical group 0.000 claims description 12
- 210000005069 ears Anatomy 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model discloses a bead-bowl-set tightening device of a bicycle. In the bicycle, the connection between the front fork and the handle is formed by a handle riser, a vertical rod protruding from the front fork is provided between the handle riser and the front fork, a shaft rod is provided in the vertical rod, a screwing element is provided under the shaft rod to be screwed on the shaft rod, and the pasting-against faces of the screwing element and the shaft rod are the diagonal planes jointed correspondingly; besides, a bead bowl set is provided between the handle riser and the front fork to make the handle riser and the front fork rotate synchronously; a tightening device is provided above the bead bowl set, the tightening device comprises at least a bonding element and an adjusting element provided under the bonding element, a thread adjusting structure is provided between the bonding element and the adjusting element, and the adjusting element is moved downwards via the thread adjusting structure to tighten the bead bowl set. The utility model uses the tightening device to tighten the bead bowl set, and thereby the handle and the front fork are jointed; furthermore, the utility model is assembled with the vertical rod which can adjust the height of the handle to be applied to riders of various heights.
Description
Technical field
The utility model relates to pearl bowl group Fastening device, is meant a kind of bicycle pearl bowl group Fastening device especially.
Background technology
The front-wheel of Regular Bicycle is mainly used to control the balance of bicycle and turn to, main being connected between the front-wheel of bicycle and the handle by vehicle frame vehicle head tube and front fork, so that when bicycle handle turns to, can allow front-wheel along with handle and front fork swing, reach the purpose that turns to smoothly and control balance.Therefore, the binding of bicycle and handle mainly is to constitute connection at the midway location of vehicle frame vehicle head tube middle (in the middle of the front fork vertical bar) and handle and stem, reaches the purpose of front-wheel steering, avoids causing the difficulty of controlling.
Fig. 1, Figure 2 shows that front fork and handle coupling arrangement stereoscopic figure that Regular Bicycle is commonly used.Bicycle is provided with a front fork vertical bar 11 in front fork (figure does not indicate) top, the front fork vertical bar 11 outer vehicle head tubes 12 that are arranged with, the stem of being made up of an one locking block 21 and a protrusive tube 22 2 constitutes the connection of front fork 1 and handle 3, front fork vertical bar 11 inside are pressed into a flower sheet 13, flower also is provided with a double-screw bolt 14 with negative thread in the sheet 13, one plug 15 passes loam cake 16 and is spirally connected with the double-screw bolt 14 of spending sheet 13, so that stem 2 is positioned front fork 1 top by plug 15, and by plug 15 compacting locking blocks 21 tops, make on the pearl bowl group 17 of these vehicle head tube 12 tops, locking block 21 location, pearl bowl 172 was formed under wherein pearl bowl group 17 was reached by last pearl bowl 171, vehicle head tube 12 is positioned pearl bowl 171, between the following pearl bowl 172, and the connection between formation locking block 21 and front fork.
And locking block 21 axle center are provided with a trepanning 211, and be extended with a pair of folder ear 212 in the front side of locking block 21, two folders have a gap 213 that extends to trepanning 211 between the ears 212, one end and the handle 3 of its protrusive tube 22 are affixed, other has a bolt 4 to wear to lock in 212 in two folder ears, constitute the connection of protrusive tube 22, locking block 21 and front fork vertical bar 11, and then reach the connection effect that constitutes between handle 3 and the front fork.
But existing coupling arrangement can't be adjusted the stem height, and the bicycle of same size gives the different rider's of stature height sensation different fully, causes the restriction of applicable object.
The utility model content
Technical problem to be solved in the utility model is: a kind of bicycle pearl bowl group Fastening device is provided, and it can not only connect handle and front fork, also can adjust the handle height to adapt to the rider of different heights.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of bicycle pearl bowl group Fastening device, described bicycle utilizes the connection between leader's standpipe formation front fork and handle, be provided with the montant that stretches into front fork between stem and the front fork, be provided with an axostylus axostyle in the montant, the axostylus axostyle below is provided with the spiro connecting piece with the axostylus axostyle bolt, and spiro connecting piece is the diagonal plane form of corresponding joint with the attachment face of axostylus axostyle, in addition, between stem and front fork, be provided with a pearl bowl group so that stem and front fork rotate synchronously; This pearl bowl group top is provided with a Fastening device, described packing Fastening device comprises a branch of son at least and is located at the adjustment part of the young below of bundle, be provided with the threaded adjustment structure between bundle son and the adjustment part, adjustment part moved down with packing pearl bowl group by means of the threaded adjustment structure.
The utility model also provides another technical scheme: a kind of bicycle pearl bowl group Fastening device, described bicycle utilizes the connection between leader's standpipe formation front fork and handle, be provided with the montant that stretches into front fork between stem and the front fork, be provided with an axostylus axostyle in the montant, the axostylus axostyle below is provided with the spiro connecting piece with the axostylus axostyle bolt, and spiro connecting piece is the diagonal plane form of corresponding joint with the attachment face of axostylus axostyle, in addition, between stem and front fork, be provided with a pearl bowl group so that stem and front fork rotate synchronously; Described pearl bowl group top is provided with a Fastening device, described packing Fastening device comprises a branch of son at least and is located at the adjustment part of the young below of bundle, be provided with the threaded adjustment structure between bundle son and the adjustment part, the bundle son also is provided with first pair of folder ear, second pair of folder ear, first pair of folder ear packing front fork, by the threaded adjustment structure adjustment part is moved down after the packing pearl bowl group again, by second pair of folder ear with the adjustment part clamping and positioning.
The beneficial effects of the utility model are: utilize Fastening device with the packing of pearl bowl group, thereby connect handle and front fork; And be assembled with the montant that to adjust the handle height, and it is required with the rider who is fit to different heights to adjust the handle height.
Description of drawings
Fig. 1 is the coupling arrangement stereoscopic figure of existing front fork and handle.
Fig. 2 is the structural representation of existing pearl bowl group Fastening device.
Fig. 3 is the coupling arrangement stereoscopic figure of front fork of the present utility model and handle.
Fig. 4 is the structural representation of pearl bowl group Fastening device of the present utility model.
Fig. 5 turns to the structural representation of 90 degree for handle of the present utility model.
Fig. 6 is the partial enlarged drawing of Fig. 5.
Fig. 7 is the another kind of structural representation of stem of the present utility model.
Below in conjunction with accompanying drawing the utility model is described further:
The specific embodiment
As shown in Figures 3 and 4, the utility model provides a kind of bicycle pearl bowl group Fastening device, this bicycle is provided with a front fork vertical bar 11 above front fork 1, the front fork vertical bar 11 outer vehicle head tubes 12 that are arranged with, and the connection that constitutes front fork 1 and handle 3 by the stem 2 that the clamping structure at protrusive tube 22 two ends is formed, front fork vertical bar 11 inside are provided with montant 51, be provided with an axostylus axostyle 52 in the montant 51, axostylus axostyle 52 belows also are provided with the spiro connecting piece 53 with axostylus axostyle 52 bolts, and spiro connecting piece 53 is the diagonal plane form of corresponding joint with the attachment face of axostylus axostyle 52, the state that can compress mutually by means of spiro connecting piece 53 and 52 diagonal planves of axostylus axostyle, and then can adjust the relative height of stem 2 and front fork 1, in addition, be provided with a pearl bowl group 17 at stem 2 and 1 of front fork, pearl bowl 172 was formed under described pearl bowl group 17 was reached by last pearl bowl 171, and vehicle head tube 12 is positioned pearl bowl 171, between the following pearl bowl 172, and then stem 2 and front fork 1 are rotated synchronously.
Innovation emphasis of the present utility model is: last pearl bowl 171 tops of pearl bowl group 17 are provided with a Fastening device 6, packing Fastening device 6 comprise at least a branch of young 61 and be located at the bundle young 61 belows adjustment part 62, bundle young 61 and 62 of adjustment parts are provided with the threaded adjustment structure, in Fig. 5 and embodiment shown in Figure 6, this threaded adjustment structure comprises is located at the bundle negative thread 611 of young 61 inboards and the outside thread 621 in adjustment part 62 outsides, and bundle young 61 also further is provided with first pair of folder ear 63, second pair of folder ear 64.
During assembling, vehicle head tube 12 and pearl bowl group 17 are placed on outside the front fork vertical bar 11, and will restraint son 61 and utilize negative thread 611, outside thread 621 to screw togather assembling mutually with adjustment part 62, be inserted in again on the front fork vertical bar 11, be arranged between first pair of folder ear 63 with a bolt 4, make it clamp front fork vertical bar 11 backs and adjustment part 62 is moved down, with the last pearl bowl 171 of packing pearl bowl group 17, as Fig. 5 and shown in Figure 6 by means of the threaded adjustment structure; Again another bolt 4 is arranged between second pair of folder ear 64, makes it clamp adjustment part 62 and locate; The montant 51 that will be spirally connected again and finish, axostylus axostyle 52 and spiro connecting piece 53 are inserted in the front fork vertical bar 11, link by stem 2 and handle, at Fig. 3, among the embodiment shown in Figure 4, the stem 2 two distolateral clamping structures that are respectively equipped with, wherein first clamping structure 23 connects with handle, second clamping structure then connects with front fork, second clamping structure is that a center is provided with the hoop clip shape locking block 21 of trepanning 211 in order to clamp montant 51, and be provided with a pair of folder ear 212 at locking block 21 sides, two folders have a gap 213 that extends to trepanning 211 between the ears 212, be arranged between the two folder ears 212 by bolt 4, constitute the connection of montant 51 and locking block 21, the locking effect by bolt 4 makes locking block 21 tighten and clipping montant 51; Certainly, the structure of stem 2 also can be as shown in Figure 7.
The utility model utilizes Fastening device with the packing of pearl bowl group, thereby connects handle and front fork; And the montant that can adjust the handle height is housed, and it is required with the rider who is fit to different heights to adjust the handle height.
Claims (10)
1. bicycle pearl bowl group Fastening device, described bicycle utilizes the connection between leader's standpipe formation front fork and handle, be provided with the montant that stretches into front fork between stem and the front fork, be provided with an axostylus axostyle in the montant, the axostylus axostyle below is provided with the spiro connecting piece with the axostylus axostyle bolt, and spiro connecting piece is the diagonal plane form of corresponding joint with the attachment face of axostylus axostyle, in addition, is provided with a pearl bowl group so that stem and front fork rotate synchronously between stem and front fork; It is characterized in that: this pearl bowl group top is provided with a Fastening device, described packing Fastening device comprises a branch of son at least and is located at the adjustment part of the young below of bundle, be provided with the threaded adjustment structure between bundle son and the adjustment part, adjustment part moved down with packing pearl bowl group by means of the threaded adjustment structure.
2. bicycle pearl bowl group Fastening device as claimed in claim 1 is characterized in that: this bundle son further is provided with first pair of folder ear and second pair of folder ear.
3. bicycle pearl bowl group Fastening device as claimed in claim 1 is characterized in that: these stem two distolateral clamping structures that are respectively equipped with, and wherein first clamping structure and handle connect, and second clamping structure then connects with front fork.
4. bicycle pearl bowl group Fastening device as claimed in claim 3, it is characterized in that: this second clamping structure is that a center is provided with a trepanning to clamp the hoop clip shape locking block of montant, and the side at locking block is extended with a pair of folder ear, two folders have a gap that extends to trepanning between the ears, be arranged in the connection that two folders constitute montant and locking block between the ears by bolt, the locking by bolt makes the locking block deflation and the clipping montant.
5. bicycle pearl bowl group Fastening device as claimed in claim 1, it is characterized in that: this front fork is provided with front fork vertical bar, its montant then stretches in the front fork vertical bar, and front fork vertical bar is outer and be provided with vehicle head tube, and pearl bowl group then forms upper and lower pearl bowl and is arranged at vehicle head tube two ends up and down respectively.
6. bicycle pearl bowl group Fastening device as claimed in claim 1 is characterized in that: this threaded adjustment structure comprises is located at young inboard negative thread of bundle and the outside thread of being located at the adjustment part outside and described screw-internal thread fit.
7. bicycle pearl bowl group Fastening device, described bicycle utilizes the connection between leader's standpipe formation front fork and handle, be provided with the montant that stretches into front fork between stem and the front fork, be provided with an axostylus axostyle in the montant, the axostylus axostyle below is provided with the spiro connecting piece with the axostylus axostyle bolt, and spiro connecting piece is the diagonal plane form of corresponding joint with the attachment face of axostylus axostyle, in addition, is provided with a pearl bowl group so that stem and front fork rotate synchronously between stem and front fork; It is characterized in that: described pearl bowl group top is provided with a Fastening device, described packing Fastening device comprises a branch of son at least and is located at the adjustment part of the young below of bundle, be provided with the threaded adjustment structure between bundle son and the adjustment part, the bundle son also is provided with first pair of folder ear, second pair of folder ear, first pair of folder ear packing front fork, by the threaded adjustment structure adjustment part is moved down after the packing pearl bowl group again, by second pair of folder ear with the adjustment part clamping and positioning.
8. bicycle pearl bowl group Fastening device as claimed in claim 7, it is characterized in that: these stem two distolateral clamping structures that are respectively equipped with, wherein first clamping structure and handle connect, second clamping structure then connects with front fork, this second clamping structure is that a center is provided with a trepanning to clamp the hoop clip shape locking block of montant, and the side at locking block is extended with a pair of folder ear, two folders have a gap that extends to trepanning between the ears, be arranged in the connection that two folders constitute montant and locking block between the ears by bolt, the locking by bolt makes the locking block deflation and the clipping montant.
9. bicycle pearl bowl group Fastening device as claimed in claim 7, it is characterized in that: this front fork is provided with front fork vertical bar, its montant then stretches in the front fork vertical bar, and front fork vertical bar is outer and be provided with vehicle head tube, and pearl bowl group then forms upper and lower pearl bowl and is arranged at vehicle head tube two ends up and down respectively.
10. bicycle pearl bowl group Fastening device as claimed in claim 7 is characterized in that: this threaded adjustment structure comprises is located at young inboard negative thread of bundle and the outside thread of being located at the adjustment part outside and described screw-internal thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201194828U CN201043003Y (en) | 2007-04-09 | 2007-04-09 | Bicycle bead group tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201194828U CN201043003Y (en) | 2007-04-09 | 2007-04-09 | Bicycle bead group tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201043003Y true CN201043003Y (en) | 2008-04-02 |
Family
ID=39257894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201194828U Expired - Fee Related CN201043003Y (en) | 2007-04-09 | 2007-04-09 | Bicycle bead group tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201043003Y (en) |
-
2007
- 2007-04-09 CN CNU2007201194828U patent/CN201043003Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 Termination date: 20150409 |
|
| EXPY | Termination of patent right or utility model |