CN2928663Y - Tooth type head bowl group of bicycle - Google Patents
Tooth type head bowl group of bicycle Download PDFInfo
- Publication number
- CN2928663Y CN2928663Y CN 200620106113 CN200620106113U CN2928663Y CN 2928663 Y CN2928663 Y CN 2928663Y CN 200620106113 CN200620106113 CN 200620106113 CN 200620106113 U CN200620106113 U CN 200620106113U CN 2928663 Y CN2928663 Y CN 2928663Y
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- CN
- China
- Prior art keywords
- tube
- front fork
- straight tube
- fork straight
- dentition formula
- 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
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model discloses a bicycle toothed headset, which comprises a toothless vertical tube, a headstock tube, a front fork straight tube, the rotatable parts and the location parts which are arranged to match with the front fork tube. The front fork straight tube crosses the headstock tube and the toothless vertical tube, the thread is manufactured at the portion part of the front fork straight tube, and the thread is connected with the location parts which hold down the toothless vertical tube, the rotatable parts and the headstock tube, the headstock tube and the front fork straight tube are rotated via the cooperation of the rotatable part. The toothless vertical tube, the front fork straight tube, the rotatable parts and the headstock tube are turned into an integral body by the location parts which set the integral component parts in position, a bolt of the toothless vertical tube is adjustable locked, thereby an upper compressing and the front fork straight tube are enclasped by the toothless vertical tube, the upper compressing, the front fork straight tube and the clamp ring thread are deadly locked by adjusting the clamp ring thread in reverse direction, so as to reach a tight fitting-in integration of all the component parts. The utility model has the advantages of simple structure, convenient manufacture, easy detachment, quick maintenance, and repeated utilization.
Description
Technical field
The utility model relates to the parts of bicycle, and being specifically related to a kind of outdoor bicycle has dentition formula headstock bowl group.Be applicable to the exposed headstock bowl of bicycle steel bowl group and in sink into concealed headstock bowl group in the head tube.
Background technology
Headstock bowl group is the structure that cooperates head tube and front fork straight tube, and can be divided at present has dentition formula and no dentition formula two big class fit systems, and the handle vertical tube also is divided into two kinds of dentition formula and no dentition formulas.It is existing that dentition formula headstock bowl group top plug is arranged is to cooperate the location by screw thread with the front fork straight tube, this mode make easily top plug with the pearl nest, go up and produce stuckly when bowl cooperates, assembling is difficult for regulating, the while can only match with the dentition formula vertical tube is arranged.As December 23 2002 applying date, the utility model patent of application number 02293552 has disclosed structure improved headstock bowl group promptly as mentioned above, it mainly is the upper and lower bowl group of the head tube upper and lower end of improvement bicycle, be to utilize at upper and lower bowl group one end to convex with a neck, be provided with outside thread at neck, and the accommodation space outer rim appropriate location of end is provided with more than one pulling part in addition, outside thread with upper and lower bowl group, be fixed at the negative thread of head tube, and the solid effect that reaches simple and easy assembling, maintenance of both mutual spiral shells of mat; Above-mentioned problem is still unresolved.
And existing no dentition formula headstock bowl group exists manufacture craft is had relatively high expectations, the stability in use relative deficiency, and it is relatively poor to repeat workability, causes to safeguard inconveniently, and a lot of products in existing market can only disposablely assemble, and cause overall cost higher.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned deficiency, provides a kind of simple in structure, easily manufactured, quick detachable, and it is convenient to safeguard, reusable bicycle has dentition formula headstock bowl group; It is with dentition formula and no dentition formula headstock bowl group advantage.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: bicycle has dentition formula headstock bowl group, comprise no dentition formula vertical tube, head tube, front fork straight tube with and equipped mutually rotatable parts and positioning element; The front fork straight tube passes head tube and no dentition formula vertical tube, is shaped on screw thread in front fork straight tube port part; The technical measures of taking comprise: the front fork straight tube port positioning element that has been threaded, this positioning element location compresses no dentition formula vertical tube, rotatable parts and head tube, normal-running fit rotatable parts between head tube and front fork straight tube.
The concrete technical measures of taking also comprise: positioning element is made of watertight cover, upward packing, clamp ring, otch packing ring, the otch packing ring that is positioned at the top plug end and is inserted in the front fork straight tube cooperates with the top plug end-beveling, make top plug Press fitting front fork straight tube guide-localization relatively by otch washer chamfer guiding, clamp ring cooperates with the front fork straight pipe thread, be locked into otch packing ring end and locking, no dentition formula vertical tube then is inserted in the front fork straight tube.
Rotatable parts by following plug, down dust ring, down pearl nest, following bowl, go up bowl, upward pearl nest, top plug Press fitting constitute, the following plug that is positioned at front fork straight tube bottom is pressed into the interference of front fork straight tube and cooperates, up and down the go up bowl, following bowl at two ends are pressed into the head tube interference and cooperate to lay respectively at head tube, last pearl nest, down the pearl nest corresponding respectively be positioned at the head tube two ends go up bowl, following bowl, and cooperates with down plug, top plug Press fitting, the front fork straight tube is connected with head tube also can rotate mutually.
No dentition formula vertical tube endoporus is shaped on tops bar, gets out of a predicament or an embarrassing situation, and holds packing and front fork straight tube tightly through the then engaging of topping bar, get out of a predicament or an embarrassing situation of bolt locking.
Clamp ring is positioned at no dentition formula vertical tube bottom, oppositely regulates the clamp ring screw thread, then goes up the screw thread that packing cooperates locked front fork straight tube, prevent that screw thread from getting loose, at last watertight cover is press fitted into the hex spanner place of packing,, watertight cover can be taken off when safeguarding simultaneously to reach the effect of dustproof, anti-ponding.
The top plug Press fitting adopts no dentition formula structure, cooperates top plug Press fitting and last pearl nest normal-running fit with the top plug end-beveling by the otch packing ring.
Compared with prior art, the utility model front fork straight tube port positioning element that has been threaded, this positioning element location compresses no dentition formula vertical tube, rotatable parts and head tube, normal-running fit rotatable parts between head tube and front fork straight tube.Positioning element makes no dentition formula vertical tube, front fork straight tube, rotatable parts, head tube in aggregates, make whole accessory location, regulate the bolt of the no dentition formula vertical tube of locking, make no dentition formula vertical tube hold packing and front fork straight tube tightly, oppositely regulate the clamp ring screw thread, make packing, front fork straight tube and clamp ring screw thread locked, reach all accessories and closely cooperate and be integral.The utlity model has simple in structurely, easily manufactured, quick detachable, it is convenient to safeguard, reusable advantage.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is each assembly decomposing schematic representation among Fig. 1;
Fig. 3 is a longitudinal profile scheme drawing among Fig. 1;
Fig. 4 is a positioning element generalized section among Fig. 1.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 is to shown in Figure 4: icon and explanatory note thereof: the 101st, and cover of dust, the 102nd, last packing, the 103rd, clamp ring, the 104th, otch packing ring, the 105th, top plug Press fitting, the 1051st, top plug, the 1052nd, dustproof bowl, the 1061st, last pearl nest, the 1062nd, following pearl nest, the 1071st, last bowl, the 1072nd, following bowl, the 108th, following dust ring, the 109th, following plug, the 21st, no dentition formula vertical tube, the 22nd, bolt, 201, the 202nd, no dentition formula vertical tube endoporus step, the 3rd, head tube, the 4th, front fork straight tube.
Embodiment of the present utility model is that bicycle has dentition formula headstock bowl group, comprise no dentition formula vertical tube 21, head tube 3, front fork straight tube 4 with and equipped mutually rotatable parts and positioning element; Front fork straight tube 4 passes head tube 3 and no dentition formula vertical tube 21, is shaped on screw thread in front fork straight tube 4 port part; The front fork straight tube 4 ports positioning element that has been threaded, this positioning element location compresses no dentition formula vertical tube 21, rotatable parts and head tube 3,4 normal-running fit rotatable parts of head tube 3 and front fork straight tube.
Positioning element is made of watertight cover 101, upward packing 102, clamp ring 103, otch packing ring 104, the otch packing ring 104 that is positioned at top plug 1051 ends and is inserted in front fork straight tube 4 cooperates with top plug 1051 end-bevelings, make top plug Press fitting 105 front fork straight tube 4 guide-localizations relatively by otch washer chamfer guiding, clamp ring 103 and front fork straight tube 4 screws thread fit, be locked into otch packing ring 104 ends and locking, 21 of no dentition formula vertical tubes are inserted in the front fork straight tube 4.To go up end thread place and the locking that packing 102 is locked into front fork straight tube 4 with inner-hexagon spanner.
Rotatable parts by under fill in 109, following dust ring 108, following pearl nest 1062, following bowl 1072, last bowl 1071, last pearl nest 1061, top plug Press fitting 105 constitutes, the following plug 109 that is positioned at front fork straight tube 4 bottoms is pressed into 4 interference of front fork straight tube and cooperates, lay respectively at the upward bowl 1071 at head tube two ends about in the of 3, following bowl 1072 is pressed into head tube 3 interference and cooperates, last pearl nest 1061, the corresponding respectively upward bowl 1071 that is positioned at head tube 3 two ends of following pearl nest 1062, in the following bowl 1072, and with following plug 109, top plug Press fitting 105 cooperates, and front fork straight tube 4 is connected with head tube 3 also can rotate mutually.
No dentition formula vertical tube 21 endoporus are shaped on and top bar 201, get out of a predicament or an embarrassing situation 202, through bolt 22 lockings top bar 201,202 engagings of getting out of a predicament or an embarrassing situation hold packing 102 and front fork straight tube 4 tightly.
Top plug Press fitting 105 adopts no dentition formula structure, cooperates top plug Press fitting 105 and last pearl nest 1061 normal-running fiies with top plug 1051 end-bevelings by otch packing ring 104.
The utility model can replace to rotatable parts and be positioned at the concealed rotational structure of head tube in-to-in, and positioning element can be suitable for equally.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (6)
1, bicycle has dentition formula headstock bowl group, comprise no dentition formula vertical tube (21), head tube (3), front fork straight tube (4) with and equipped mutually rotatable parts and positioning element; Described front fork straight tube (4) passes head tube (3) and no dentition formula vertical tube (21), is shaped on screw thread in front fork straight tube (4) port part; It is characterized in that: described front fork straight tube (4) the port positioning element that has been threaded, this positioning element location compresses no dentition formula vertical tube (21), rotatable parts and head tube (3), the described rotatable parts of normal-running fit between head tube (3) and front fork straight tube (4).
2, bicycle according to claim 1 has dentition formula headstock bowl group, it is characterized in that: described positioning element is by watertight cover (101), last packing (102), clamp ring (103), otch packing ring (104) constitutes, the otch packing ring (104) that is positioned at top plug (1051) end and is inserted in front fork straight tube (4) cooperates with top plug (1051) end-beveling, top plug Press fitting (105) is front fork straight tube (4) guide-localization relatively, clamp ring (103) and front fork straight tube (4) screw thread fit, be locked into otch packing ring (104) end and locking, no dentition formula vertical tube (21) then is inserted in the front fork straight tube (4).
3, bicycle according to claim 1 and 2 has dentition formula headstock bowl group, it is characterized in that: described rotatable parts are by filling in (109) down, following dust ring (108), following pearl nest (1062), following bowl (1072), last bowl (1071), last pearl nest (1061), top plug Press fitting (105) constitutes, the following plug (109) that is positioned at front fork straight tube (4) bottom is pressed into front fork straight tube (4) interference and cooperates, lay respectively at head tube (3) the upward bowl (1071) at two ends up and down, following bowl (1072) is pressed into head tube (3) interference and cooperates, last pearl nest (1061), following pearl nest (1062) respectively correspondence be positioned at head tube (3) two ends go up bowl (1071), in the following bowl (1072), and with following plug (109), top plug Press fitting (105) cooperates, and front fork straight tube (4) is connected with head tube (3) also can rotate mutually.
4, bicycle according to claim 3 has dentition formula headstock bowl group, it is characterized in that: described no dentition formula vertical tube (21) endoporus is shaped on top bar (201), get out of a predicament or an embarrassing situation (202), through top bar (201), get out of a predicament or an embarrassing situation (202) of bolt (22) locking then engage hold tightly described on packing (102) and front fork straight tube (4).
5, bicycle according to claim 4 has dentition formula headstock bowl group, it is characterized in that: described clamp ring (103) is positioned at no dentition formula vertical tube (21) bottom, oppositely regulate described clamp ring (103) screw thread, then go up the screw thread that packing (102) cooperates locked described front fork straight tube (4) port part.
6, bicycle according to claim 5 has dentition formula headstock bowl group, it is characterized in that: described top plug Press fitting (105) adopts no dentition formula structure, cooperate top plug Press fitting (105) and last pearl nest (1061) normal-running fit with top plug (1051) end-beveling by otch packing ring (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106113 CN2928663Y (en) | 2006-07-27 | 2006-07-27 | Tooth type head bowl group of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106113 CN2928663Y (en) | 2006-07-27 | 2006-07-27 | Tooth type head bowl group of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2928663Y true CN2928663Y (en) | 2007-08-01 |
Family
ID=38307049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106113 Expired - Fee Related CN2928663Y (en) | 2006-07-27 | 2006-07-27 | Tooth type head bowl group of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2928663Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
-
2006
- 2006-07-27 CN CN 200620106113 patent/CN2928663Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
| CN112078710B (en) * | 2020-08-24 | 2021-12-21 | 拓肯兴业股份有限公司 | Steering head bowl group |
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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: 20070801 Termination date: 20140727 |
|
| EXPY | Termination of patent right or utility model |