CN102303678B - Quick adjustable stem - Google Patents
Quick adjustable stem Download PDFInfo
- Publication number
- CN102303678B CN102303678B CN2011102633306A CN201110263330A CN102303678B CN 102303678 B CN102303678 B CN 102303678B CN 2011102633306 A CN2011102633306 A CN 2011102633306A CN 201110263330 A CN201110263330 A CN 201110263330A CN 102303678 B CN102303678 B CN 102303678B
- Authority
- CN
- China
- Prior art keywords
- adjustable stem
- hole
- stand
- quick
- bolt
- 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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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 10
- 238000005336 cracking Methods 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 210000005239 tubule Anatomy 0.000 claims description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention provides a quick adjustable stem. The stem comprises a stem base, a cylindrical joint, an adjustable stem head, a quick release (QR), a safety clasp and a safety bolt, wherein, the upper front part of the stem base is equipped with two discs; projecting ribs are arranged at the periphery outside the two discs; a through hole is arranged between the upper and lower parts of the stem base; the bottom of the stem base is provided with an oblique angle; the through hole of the stem base can be matched with a fastening bolt; the adjustable stem head is an annular component with front and rear slotted holes provided with trapezoidal teeth at the position of inner diameter, wherein, the two slots are communicated with each other from front to back; an up-down through hole is arranged at the vertical position between the middle part of the adjustable stem head and the slots; the QR is connected into the through hole; a QR handle is equipped with the safety clasp; the rear slotted trapezoidal toothed hole of the adjustable stem is rotatablely connected with the cylindrical joint; the cylindrical joint is fixedly connected with the two discs of the stem base through four flat-based bolts; a sealing cap is inlaid in a projecting rib ring of the two discs; the front slotted trapezoidal toothed hole of the adjustable stem head can be connected with a handle; and when the QR handle is pressed downwards, the front and rear slotted trapezoidal toothed holes of the adjustable stem head can lock the cylindrical joint and the handle at the same time.
Description
Technical field
The present invention relates to a kind of handle vertical, particularly a kind of quick adjustable stem.
Technical background
Although adjustable stem also has several moneys in the market, adjustable stem and rare efficiently.
Summary of the invention
Purpose of the present invention is that a kind of simple and ingenious structure, use quick adjustable stem fast and easily will be provided.The object of the present invention is achieved like this: quick adjustable stem, comprise stand, column joint, the adjustable stem head, quick detach, safety catch and shear bolt, it is characterized in that: the front upper place of stand is become to two disks, the circumference in the outside of two disks is with prominent muscle, stand had to a through hole up and down, an oblique angle is with in the bottom of stand, can coordinate hanging bolt to the described through hole at stand rear portion, the adjustable stem head before and after being respectively with the hole of an internal diameter band stepped tooth cracked, two annular elements that connect before and after cracking, the adjustable stem centriciput has a up/down perforation hole with the vertical position of cracking, connect quick detach in through hole, quick detach is upper band safety catch, there is a screw top of described adjustable stem back of head, be screwed with described shear bolt in screw, crack after the adjustable stem head trapezoidal perforation and column joint is rotatably connected, column joint fixes and is connected by four flat base bolts and two disks stand, Inlaid embedding capping in the prominent muscle circle of two disks, the trapezoidal perforation that cracks before the adjustable stem head can be connected with handlebar, press down the quick detach handle, the front and back of the adjustable stem head trapezoidal perforation that cracks is locked column joint and handlebar simultaneously, described safety catch and described shear bolt are interlockingly connected.
The invention has the beneficial effects as follows: respectively there is to the trapezoidal perforation that cracks the front and back of adjustable stem head, two annular design that connect before and after cracking, and quick detach is matched with to the middle part of adjustable stem head, can utilize quick detach that adjustable stem head and column joint and handlebar are locked simultaneously or unclamped, reached the effect of quick adjusting handlebar, by the trapezoidal perforation design of cracking before and after the adjustable stem head, can make its interlocking more effective, to design the rear portion at two disks to the up/down perforation hole of stand, it is convenient this product can be coordinated with front wheel fork of bicycle, will be the prominent muscle design of the circumference band in the two disk outsides of stand, and Inlaid embedding capping, make this product more magnificent attractive in appearance.
The accompanying drawing explanation
Fig. 1 is section of structure of the present invention;
Fig. 2 is that the present invention is the structural representation of stand;
The structural representation that Fig. 3 is adjustable stem head of the present invention;
Fig. 4 is profile design sketch of the present invention;
Fig. 5 is rise design sketch of the present invention;
In figure: 1---stand, 2---column joint, 3---the adjustable stem head, 4---quick detach, 5---safety catch, 6---shear bolt; Wherein stand 1 is also comprised: 11---capping.
The specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, described quick adjustable stem, comprise stand 1, column joint 2, adjustable stem head 3, quick detach 4, safety catch 5 and shear bolt 6.
Described stand 1, aluminium forging or aluminium casting, bottom is tubular, band oblique angle, bottom, top is as the gear of automobile handgrip, one counterbore be complementary with hanging bolt is arranged at top, between the counterbore at described top and the pore of bottom, described through hole is arranged, the described front upper place stand has one to connect two disks, described equal in length the spacing of 1 liang of disk of stand and described column joint 2, described on 1 liang of disk of stand, two holes respectively being arranged, the outside in described two disk two holes is the tapered counterbore be complementary with flat base bolt, the circumference in the described two disk outsides has prominent muscle, described stand 1 is also comprised to two cappings 11, described capping 11 is circular aluminium parts buttony, the internal diameter of the prominent muscle of the diameter of two described cappings 11 and described two disk circumference is complementary.
Described column joint 2, be on a cylinder with two pairs of aluminum components of wearing screw, two screw spacings of described column joint 2 equate with described two holes 1 liang of disk of stand;
Described adjustable stem head 3, be aluminum annular-shaped forging or the aluminium casting connected before and after respectively cracking with the hole, two of an internal diameter band stepped tooth cracked in front and back, and, there is a through hole middle part of described adjustable stem head 3 and described vertical position of cracking; There is an arc-shaped recess top of described adjustable stem head 3 through holes, one counterbore is arranged at the bottom of described adjustable stem head 3 through holes, the external diameter of trapezoidal perforation and described column joint 2 of cracking after described adjustable stem head 3 is complementary, and the caliber in the middle of crack before described adjustable stem head 3 trapezoidal perforation and bicycle handle bar is complementary.
Described quick detach 4, by quick detach handle, circle hook bolt, Anti-slip nut and arc plastic sheet, formed, described quick detach handle is rotatably connected with described circle hook bolt, described circle hook bolt penetrates in the hole of described arc plastic sheet, penetrate again in the through hole of described adjustable stem head 3, and then do to twist with described Anti-slip nut and connect, described quick detach on a slotted hole is arranged, described safety catch 5 is installed in the slotted hole of described quick detach handle;
Described safety catch 5, by push button, insurance cramp, bolt and spring, formed, described push button is the tubule of one oval bottom with a tapped bore, described insurance cramp is the stamping of middle with hole, a headband nock, the tubule of described push button and described spring are put into to the slotted hole of described quick detach handle, then close described insurance cramp the described bolt of screwing on.
Claims (6)
1. a quick adjustable stem, comprise stand, column joint, the adjustable stem head, quick detach, safety catch and shear bolt, it is characterized in that: there are to two disks the front upper place of stand, the circumference in the outside of two disks is with prominent muscle, stand had to a through hole up and down, an oblique angle is with in the bottom of stand, can coordinate hanging bolt to the described through hole at stand rear portion, the adjustable stem head before and after being respectively with the hole of an internal diameter band stepped tooth cracked, two annular elements that connect before and after cracking, the adjustable stem centriciput has a up/down perforation hole with the vertical position of cracking, connect quick detach in through hole, quick detach is upper band safety catch, there is a screw top of described adjustable stem back of head, be screwed with described shear bolt in screw, crack after the adjustable stem head trapezoidal perforation and column joint is rotatably connected, column joint fixes and is connected by four flat base bolts and two disks stand, inlay capping in the prominent muscle circle of two disks, the trapezoidal perforation that cracks before the adjustable stem head can be connected with handlebar, press down the quick detach handle, the front and back of the adjustable stem head trapezoidal perforation that cracks can be locked column joint and handlebar simultaneously, described safety catch and described shear bolt are interlockingly connected.
2. quick adjustable stem according to claim 1, it is characterized in that: described stand, aluminium forging or aluminium casting, bottom is tubular, band oblique angle, bottom, top is as the gear of automobile handgrip, one counterbore be complementary with hanging bolt is arranged at top, between the counterbore at described top and the pore of bottom, described through hole is arranged, the described front upper place stand has one to connect two disks, described equal in length the spacing of stand two disks and described column joint, described on stand two disks, two holes respectively being arranged, the outside in described two disk two holes is the tapered counterbore be complementary with flat base bolt, described stand is also comprised to two cappings, described capping is a circular aluminium parts buttony, the internal diameter of the prominent muscle of the diameter of two described cappings and described two disk circumference is complementary.
3. quick adjustable stem according to claim 1 is characterized in that: described column joint, be on a cylinder with two pairs of aluminum components of wearing screw, two screw spacings of described column joint equate with described two holes stand two disks.
4. quick adjustable stem according to claim 1, it is characterized in that: described adjustable stem head, annular aluminium forging or aluminium casting, there is an arc-shaped recess top of described adjustable stem head through hole, one counterbore is arranged at the bottom of described adjustable stem head through hole, the external diameter of trapezoidal perforation and described column joint of cracking after described adjustable stem head is complementary, and the caliber in the middle of crack before described adjustable stem head trapezoidal perforation and bicycle handle bar is complementary.
5. quick adjustable stem according to claim 1, it is characterized in that: described quick detach, by quick detach handle, circle hook bolt, Anti-slip nut and arc plastic sheet, formed, described quick detach handle is rotatably connected with described circle hook bolt, described circle hook bolt penetrates in the hole of described arc plastic sheet, penetrate again in the through hole of described adjustable stem head, and then do stubborn connecing with described Anti-slip nut, described quick detach on a slotted hole is arranged, described safety catch is installed in the slotted hole of described quick detach handle.
6. quick adjustable stem according to claim 1, it is characterized in that: described safety catch, by push button, insurance cramp, bolt and spring, formed, described push button is the tubule of one oval bottom with a tapped bore, described insurance cramp is the stamping of middle with hole, a headband nock, the tubule of described push button and described spring are put into to the slotted hole of described quick detach handle, then close described insurance cramp the described bolt of screwing on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102633306A CN102303678B (en) | 2011-09-07 | 2011-09-07 | Quick adjustable stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102633306A CN102303678B (en) | 2011-09-07 | 2011-09-07 | Quick adjustable stem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303678A CN102303678A (en) | 2012-01-04 |
| CN102303678B true CN102303678B (en) | 2013-12-04 |
Family
ID=45377629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102633306A Expired - Fee Related CN102303678B (en) | 2011-09-07 | 2011-09-07 | Quick adjustable stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303678B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774463B (en) * | 2012-07-27 | 2013-07-24 | 太仓市车中宝休闲用品有限公司 | V-shaped folding handlebar with aluminum extrusion type left and right components |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2515104Y (en) * | 2001-12-15 | 2002-10-09 | 信隆实业(深圳)有限公司 | Bicycle vertical tube capable of regulating handlebar angle |
| CN2578217Y (en) * | 2002-10-10 | 2003-10-08 | 久鼎金属实业股份有限公司 | Angular adjustable handlebar stem |
| CN2576586Y (en) * | 2002-10-17 | 2003-10-01 | 利奇机械工业股份有限公司 | Adjustable vertical tube |
| CN2623586Y (en) * | 2003-04-21 | 2004-07-07 | 信隆实业(深圳)有限公司 | Adjustable angle bicycle handle-bar stem |
| CN2612600Y (en) * | 2003-04-26 | 2004-04-21 | 信隆实业(深圳)有限公司 | Quick-dismantling type angle adjusting stem for bicycle |
| CN2652796Y (en) * | 2003-09-03 | 2004-11-03 | 廖学湖 | Bicycle angle regulation vertical tube structure |
| US20050150321A1 (en) * | 2004-01-14 | 2005-07-14 | Hsin Lung Accessories Co., Ltd. | Adjustable structure of bicycle handlebar |
| CN201183578Y (en) * | 2008-02-29 | 2009-01-21 | 深圳信隆实业股份有限公司 | Bicycle vertical pipe angle modulation structure |
| CN202279198U (en) * | 2011-09-07 | 2012-06-20 | 太仓市车中宝休闲用品有限公司 | Fast and adjustable stem |
-
2011
- 2011-09-07 CN CN2011102633306A patent/CN102303678B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303678A (en) | 2012-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170627 Address after: 276113, No. 72, Lin village, temple town, Tancheng County, Shandong, Linyi Patentee after: Li Meiying Address before: 215421 Jiangsu city of Suzhou province Taicang city Shaxi Songnan Industrial Park Co-patentee before: Pang Mingfang Patentee before: Taicang Chezhongbao Leisure Articles Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 266700 Finance Street, No. 18, Tian Zhuang Town, Pingdu City, Qingdao, Shandong Patentee after: Li Meiying Address before: 276113, No. 72, Lin village, temple town, Tancheng County, Shandong, Linyi Patentee before: Li Meiying |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20180907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |