CN104386193A - Rotary bicycle handlebar stem assembly - Google Patents

Rotary bicycle handlebar stem assembly Download PDF

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Publication number
CN104386193A
CN104386193A CN201410690891.8A CN201410690891A CN104386193A CN 104386193 A CN104386193 A CN 104386193A CN 201410690891 A CN201410690891 A CN 201410690891A CN 104386193 A CN104386193 A CN 104386193A
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CN
China
Prior art keywords
handlebar
vertical
pipe spreader
bicycle
handlebar stem
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Granted
Application number
CN201410690891.8A
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Chinese (zh)
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CN104386193B (en
Inventor
刘学权
刘凯
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Tianjin Fujita Bicycle Industry Co ltd
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TIANJIN FUJITA BICYCLE CO Ltd
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Priority to CN201410690891.8A priority Critical patent/CN104386193B/en
Publication of CN104386193A publication Critical patent/CN104386193A/en
Application granted granted Critical
Publication of CN104386193B publication Critical patent/CN104386193B/en
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Abstract

The invention discloses a rotary bicycle handlebar stem assembly. The rotary bicycle handlebar stem assembly comprises a shaft sleeve installed at the upper end of a headset of a head tube of a bicycle, a handlebar stem, and a handlebar, wherein the shaft sleeve is provided with a fastening seat; a section of groove is formed in the middle of the fastening seat; the shaft sleeve is fixedly connected with a front fork vertical pipe by using a fastening screw; a hinge type eccentric locking clamping ring used for tightly clamping the handlebar is arranged on the front end of the handlebar stem; the back end of the handlebar stem is inserted into the shaft sleeve; an adjusting screw rod is arranged in the handlebar stem; two ejecting blocks are in threaded connection with the two ends of the adjusting screw rod respectively; one ejecting block is in contact with the outer wall of the shaft sleeve while the other ejecting block penetrates a through hole of the locking clamping ring to be in contact with the handlebar; when the handlebar is tightly pressed by the locking clamping ring, the handlebar pushes the two ejecting blocks to move towards the back end of the handlebar stem to tightly press the shaft sleeve; an opening convenient for adjusting the adjusting screw rod is formed in the lower end of the handlebar stem; the two ends of the adjusting screw rod are respectively provided with leftwards and rightwards screwing screw threads. According to the rotary bicycle handlebar stem assembly, the handlebar stem of the bicycle can be rotated conveniently, the handlebar can be rotated to be parallel with the bicycle body, and meanwhile, a brake handle can be rotated to the downside of the handlebar, thus the width of the whole bicycle is greatly reduced, and the bicycle can be stored and packaged conveniently.

Description

A kind of rotatable cycle arm assembly
Technical field
The present invention relates to cycle arm, specifically, is a kind of rotatable cycle arm assembly.
Background technology
Existing bicycle, the handle of installation bicycle handle bar stands one end and handlebar connects firmly, the other end and vertical tube of front fork screw fastening.There is a gland to push down vertical vertical upper end, in gland, having a screw to be connected, for regulating front fork bowls group gap with " heronsbill " nut in front fork.
Because handlebar is vertical with frame, brake the front being positioned at handlebar, the width of car load is exactly the length of handlebar, takes up space larger when depositing or pack.
Summary of the invention
Technical matters to be solved by this invention is, the rotatable cycle arm assembly that a kind of structure is simple, easy to operate is provided, handlebar is can rotate to and vehicle body parallel, and brake is the below rotated to handlebar, thus greatly reduce the width of car load, be convenient to deposit and pack.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of rotatable cycle arm assembly, comprise the pipe spreader of the bowl group upper end being arranged on bicycle head tube, vertical and handlebar, pipe spreader is provided with fastening base, one section of fluting is had in the middle of fastening base, with tightening screw, pipe spreader and vertical tube of front fork are connected, vertical front end is provided with the hinge type Camlock clamp ring for clamping handlebar, pipe spreader is inserted in vertical rear end, vertical inside is provided with an adjusting screw(rod), adjusting screw(rod) two ends are threaded two withstanding tight blocks respectively, wherein one piece holds out against to block and pipe spreader wall contacts, another block withstanding tight block contacts with handlebar through the through hole on locking clamp ring, when compressing handlebar by locking clamp ring, handlebar promotes two withstanding tight blocks and moves compression axis sleeve pipe to vertical rear end, had for the convenient opening adjusting adjusting screw(rod) make end, adjusting screw(rod) two ends are respectively with left-right rotary screw thread.
Described pipe spreader upper end exceeds vertical, has a gland to push down pipe spreader in pipe spreader upper end, has a screw to be connected, for regulating front fork and bowl group gap with " heronsbill " nut in vertical tube of front fork in gland.
Withstanding tight block in vertical and pipe spreader and the handlebar position that cooperatively interacts there is anti-skidding straight burr groove.
Described pipe spreader is divided into two sections that are connected up and down, diameter with the epimere of anti-skidding straight burr groove is less than smooth hypomere diameter, vertical one end is made to be enclosed within the epimere with anti-skidding straight burr groove, and by the platform of the epimere of pipe spreader, hypomere formation, be with the withstanding tight block of straight burr groove to match with the epimere of anti-skidding straight burr groove and another, match at the withstanding tight block of handlebar end band straight burr groove and handlebar band straight burr groove location simultaneously.
The invention has the beneficial effects as follows: rotary bicycle can be facilitated vertical, handlebar be can rotate to and vehicle body parallel, and brake the below rotated to handlebar simultaneously, thus greatly reduce the width of car load, be convenient to deposit and pack.
Accompanying drawing explanation
Fig. 1 is the slew mode schematic diagram of the rotatable cycle arm assembly of the present invention.
Fig. 2 is the structure cross-sectional schematic of the rotatable cycle arm assembly of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As Fig. 1, shown in 2, rotatable cycle arm assembly of the present invention, comprise the pipe spreader 3 of bowl group 2 upper end being arranged on bicycle head tube 1, vertical 4 and handlebar 5, pipe spreader 3 is provided with fastening base 6, one section is had to slot 7 in the middle of fastening base 6, with tightening screw 8, pipe spreader 3 and vertical tube of front fork 9 are connected, vertical 4 front ends are provided with the hinge type Camlock clamp ring 10 for clamping handlebar 5, pipe spreader 3 is inserted in vertical 4 rear ends, vertical 4 inside are provided with an adjusting screw(rod) 11, adjusting screw(rod) two ends are threaded two withstanding tight blocks 12 respectively, wherein one piece holds out against to block 12 and pipe spreader 3 wall contacts, another block withstanding tight block 12 contacts with handlebar 5 through the through hole on locking clamp ring 10, when compressing handlebar 4 by locking clamp ring 10, handlebar 5 promotes two withstanding tight blocks 12 and moves to vertical 4 rear ends, compression axis sleeve pipe 3, vertical 4 lower ends there is the opening 13 for convenient adjustment adjusting screw(rod) 11, adjusting screw(rod) 11 two ends are respectively with left-right rotary screw thread 14.Rotating adjusting screw(rod) 11 can make two withstanding tight blocks 12 move forward and backward simultaneously, thus the thrust of adjustable two withstanding tight blocks 12 and handlebar 5 and pipe spreader 3.
Described pipe spreader 3 upper end exceeds vertical 4, has a gland 15 to push down pipe spreader 3 in pipe spreader 3 upper end, has a screw 16 to be connected with " heronsbill " nut 17 in vertical tube of front fork 9, for regulating front fork 18 and bowl group 2 gap in gland 15.
Withstanding tight block 12 in vertical and pipe spreader 3 and handlebar 5 position that cooperatively interacts there is anti-skidding straight burr groove 19.
Described pipe spreader 3 is divided into two sections that are connected up and down, diameter with the epimere of anti-skidding straight burr groove 20 is less than smooth hypomere diameter, vertical 4 one end are made to be enclosed within the epimere with anti-skidding straight burr groove 20, and supported by the platform 21 that the epimere of pipe spreader 3, hypomere are formed, be with the withstanding tight block 12 of straight burr groove to match with the epimere of anti-skidding straight burr groove and another, match with handlebar band straight burr groove location at the withstanding tight block 12 of handlebar 5 end band straight burr groove simultaneously.
During use, adjust adjusting screw(rod) 11 from opening 13, two withstanding tight blocks 12 are unclamped with pipe spreader 3 and handlebar 5 respectively, handlebar 5 be can rotate to and vehicle body parallel, and simultaneously rotating vehicle handle, make brake rotation to handlebar.
Above-described embodiment is only for illustration of technological thought of the present invention and feature, its object is to enable those skilled in the art understand content of the present invention and implement according to this, only can not limit the scope of the claims of the present invention with the present embodiment, namely the equal change done of all disclosed spirit or modification, still drop in the scope of the claims of the present invention.

Claims (4)

1. a rotatable cycle arm assembly, comprise the pipe spreader (3) of bowl group (2) upper end being arranged on bicycle head tube (1), vertical (4) and handlebar (5), pipe spreader (3) is provided with fastening base (6), one section of fluting (7) is had in the middle of fastening base (6), with tightening screw (8), pipe spreader (3) and vertical tube of front fork (9) are connected, vertical (4) front end is provided with the hinge type Camlock clamp ring (10) for clamping handlebar (5), pipe spreader (3) is inserted in vertical (4) rear end, it is characterized in that, vertical (4) inside is provided with an adjusting screw(rod) (11), adjusting screw(rod) two ends are threaded two withstanding tight blocks (12) respectively, wherein one piece holds out against to block (12) and pipe spreader (3) wall contacts, another block withstanding tight block (12) contacts with handlebar (5) through the through hole in locking clamp ring (10), when compressing handlebar (5) by locking clamp ring (10), handlebar (5) promotes two withstanding tight blocks (12) and moves compression axis sleeve pipe (3) to vertical (4) rear end, vertical (4) lower end there is the opening (13) for conveniently adjusting adjusting screw(rod) (11), adjusting screw(rod) (11) two ends are respectively with left-right rotary screw thread (14).
2. rotatable cycle arm assembly according to claim 1, it is characterized in that, described pipe spreader (3) upper end exceeds vertical (4), a gland (15) is had to push down pipe spreader (3) in pipe spreader (3) upper end, a screw (16) is had to be connected with " heronsbill " nut (17) in vertical tube of front fork (9) in gland (15), for regulating front fork (18) and bowl group (2) gap.
3. rotatable cycle arm assembly according to claim 1 and 2, it is characterized in that there is anti-skidding straight burr groove (19) at withstanding tight block (12) in vertical and pipe spreader (3) and handlebar (5) position that cooperatively interacts.
4. rotatable cycle arm assembly according to claim 3, it is characterized in that, described pipe spreader (3) is divided into two sections that are connected up and down, diameter with the epimere of anti-skidding straight burr groove (20) is less than smooth hypomere diameter, vertical (4) one end is made to be enclosed within the epimere with anti-skidding straight burr groove (20), and by the epimere of pipe spreader (3), the platform (21) that hypomere is formed supports, the withstanding tight block of straight burr groove (12) is with to match with the epimere of anti-skidding straight burr groove and another, match with handlebar band straight burr groove location at the withstanding tight block (12) of handlebar (5) end band straight burr groove simultaneously.
CN201410690891.8A 2014-11-18 2014-11-18 A kind of rotatable cycle arm assembly Active CN104386193B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410690891.8A CN104386193B (en) 2014-11-18 2014-11-18 A kind of rotatable cycle arm assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410690891.8A CN104386193B (en) 2014-11-18 2014-11-18 A kind of rotatable cycle arm assembly

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CN104386193A true CN104386193A (en) 2015-03-04
CN104386193B CN104386193B (en) 2017-03-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105947080A (en) * 2016-06-18 2016-09-21 上海大学 Bicycle with stepless-adjustable bicycle stem
CN107933800A (en) * 2017-12-01 2018-04-20 天津云步博腾科技有限公司 A kind of high-strength novel electric bicycle handlebar that can be adjusted the angle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2188067Y (en) * 1993-11-09 1995-01-25 王铣 Bicycle's handlebar capable of rotating horizontally
CN2231648Y (en) * 1995-09-01 1996-07-24 蔡水德 Hand-bar stem of bicycle with adjustable angle and vibration prevention functions
US20060096408A1 (en) * 2004-11-10 2006-05-11 Hsin Lung Accessories Co., Ltd. Bicycle stem having a positioning mechanism for re-positioning a handle
CN102417004A (en) * 2011-09-30 2012-04-18 蒙图强 Handlebar regulator
CN204197195U (en) * 2014-11-18 2015-03-11 天津富士达自行车有限公司 A kind of rotatable cycle arm assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2188067Y (en) * 1993-11-09 1995-01-25 王铣 Bicycle's handlebar capable of rotating horizontally
CN2231648Y (en) * 1995-09-01 1996-07-24 蔡水德 Hand-bar stem of bicycle with adjustable angle and vibration prevention functions
US20060096408A1 (en) * 2004-11-10 2006-05-11 Hsin Lung Accessories Co., Ltd. Bicycle stem having a positioning mechanism for re-positioning a handle
CN102417004A (en) * 2011-09-30 2012-04-18 蒙图强 Handlebar regulator
CN204197195U (en) * 2014-11-18 2015-03-11 天津富士达自行车有限公司 A kind of rotatable cycle arm assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105947080A (en) * 2016-06-18 2016-09-21 上海大学 Bicycle with stepless-adjustable bicycle stem
CN107933800A (en) * 2017-12-01 2018-04-20 天津云步博腾科技有限公司 A kind of high-strength novel electric bicycle handlebar that can be adjusted the angle

Also Published As

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Effective date of registration: 20170524

Address after: 301609 Tianjin Road, Jinghai Economic Development Zone, Tai'an road and Emma road junction

Patentee after: TIANJIN FUSHIDA TECHNOLOGY Co.,Ltd.

Address before: 300301 Tianjin city Dongli District Junliangcheng crossing South

Patentee before: TIANJIN FUJITA BICYCLE Co.,Ltd.

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Effective date of registration: 20180613

Address after: 300301 Tianjin Dongli district military grain City Dao Kou South

Patentee after: TIANJIN FUJI-TA BICYCLE CO.,LTD.

Address before: 301609 Tianjin Jinghai Economic Development Zone South District Tai'an road and Emma Road intersection.

Patentee before: TIANJIN FUSHIDA TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
CP01 Change in the name or title of a patent holder

Address after: 300301 Tianjin city Dongli District Junliangcheng crossing South

Patentee after: Tianjin Fujita Bicycle Industry Co.,Ltd.

Address before: 300301 Tianjin city Dongli District Junliangcheng crossing South

Patentee before: TIANJIN FUJI-TA BICYCLE CO.,LTD.

CP01 Change in the name or title of a patent holder