WO2022007194A1 - Structure d'assemblage rapide pour guidon de fourche avant de cadre de bicyclette - Google Patents

Structure d'assemblage rapide pour guidon de fourche avant de cadre de bicyclette Download PDF

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Publication number
WO2022007194A1
WO2022007194A1 PCT/CN2020/116103 CN2020116103W WO2022007194A1 WO 2022007194 A1 WO2022007194 A1 WO 2022007194A1 CN 2020116103 W CN2020116103 W CN 2020116103W WO 2022007194 A1 WO2022007194 A1 WO 2022007194A1
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WO
WIPO (PCT)
Prior art keywords
front fork
ring
frame
handlebar
bearing
Prior art date
Application number
PCT/CN2020/116103
Other languages
English (en)
Chinese (zh)
Inventor
李贤成
王俊
Original Assignee
宁波途锐达休闲用品有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁波途锐达休闲用品有限公司 filed Critical 宁波途锐达休闲用品有限公司
Publication of WO2022007194A1 publication Critical patent/WO2022007194A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/02—Front wheel forks or equivalent, e.g. single tine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/06—Bearings specially adapted for steering heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/18—Connections between forks and handlebars or handlebar stems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00—Steering devices
    • B62K21/18—Connections between forks and handlebars or handlebar stems
    • B62K21/24—Connections between forks and handlebars or handlebar stems readily releasable

Definitions

  • the utility model relates to the technical field of bicycle accessories, in particular to a quick group structure of a front fork handlebar of a bicycle frame.
  • Bicycles are one of the more common transportation, sports, fitness, leisure and recreational products, which generally include components such as frames, front forks, handlebars and wheels.
  • the front end of the frame is provided with a frame surface tube, the middle part of the front fork frame is rotatably connected to the frame surface tube, the handlebar is installed on the upper end of the front fork frame, and the wheels are installed at the lower end of the front fork frame, thus forming the bicycle front.
  • the purpose of the utility model is to solve the problem that the installation structure between the split handlebar, the front fork frame and the frame surface tube in the prior art is not stable enough to cause safety hazards, and special tools are needed to disassemble and assemble, which is time-consuming and labor-intensive.
  • the technical solution of the present utility model is to provide a bicycle frame front fork handlebar quick-set structure, which includes a frame surface tube, a handlebar and a front fork frame sleeved on the frame surface tube. Both ends are respectively provided with an upper bearing and a lower bearing, the upper end of the front fork frame is protruded to the upper part of the upper bearing, and the upper end of the front fork frame is detachably sleeved with a locking ring, the locking ring
  • the lower end of the handlebar is provided with a cap against the upper part of the upper bearing, and the cap is detachably connected with the locking ring so that the handlebar and the front fork are fixed.
  • the upper end surface of the front fork frame is provided with a slot
  • the lower end of the handlebar is connected with a locking piece
  • the lower end of the locking piece is embedded in the slot, so as to ensure the circumference of the front fork frame and the handlebar. to fix more firmly.
  • a through hole for the handlebar to pass through is provided in the middle of the cap, the cap is located above the locking member, and the cap is in conflict with the locking member.
  • the cover cap is first sleeved on the handlebar, and then the locking member is fixedly connected to the lower end of the handlebar.
  • the arrangement of the locking piece also simplifies the assembly steps and facilitates the operation.
  • the bottom surface of the cap is provided with a groove
  • the bottom of the groove of the cap is in conflict with the upper end of the locking member
  • the groove wall of the groove of the cap is provided with threads
  • the locking The inner ring wall of the ring is threadedly connected to the front fork frame
  • the outer ring wall of the locking ring is threadedly connected to the cap, so that the user only needs to rotate the cap or the locking ring to realize disassembly and assembly, which effectively improves the Ease of operation.
  • the upper end of the outer ring wall of the locking ring is provided with threads
  • the lower end of the outer ring wall of the locking ring is provided with friction lines
  • the outer side wall of the cap is provided with friction lines to facilitate user disassembly and assembly Cap or locking ring.
  • the upper bearing is a thrust bearing or a thrust radial bearing
  • the lower part of the locking ring is in conflict with the upper ring of the upper bearing
  • the bottom surface of the locking ring is further provided with a protruding part
  • the The protruding portion is inserted between the upper ring of the upper bearing and the front fork frame, so as to ensure a more stable circumferential fixation between the handlebar and the front fork frame.
  • it also includes an upper gasket, the lower part of the upper gasket is clamped to the upper end of the frame surface pipe, the upper part of the upper gasket is provided with a receiving groove, and the upper bearing is installed on the upper gasket in the receiving groove of the ring.
  • it also includes a lower backing ring, the upper part of the lower backing ring is clamped to the lower end of the frame surface tube, the lower part of the lower backing ring is provided with a accommodating groove, and the lower bearing is mounted on the lower backing In the accommodating groove of the ring, a step table is provided at the position where the front fork frame passes out to the lower end of the frame surface tube, and the step table is in conflict with the lower ring of the lower bearing.
  • it also includes a lower backing ring and a snap ring, the upper portion of the lower backing ring is clamped to the lower end of the frame surface tube, the lower portion of the lower backing ring is provided with a accommodating groove, and the lower bearing is installed in the In the accommodating groove of the lower backing ring, a stepped platform is provided at the position where the front fork frame penetrates to the lower end of the frame surface tube, and the upper part of the snap ring is clamped between the lower bearing and the front fork frame , the lower part of the snap ring is clamped between the lower bearing and the step platform.
  • the solution of the present utility model has the beneficial effects that: by arranging a locking ring on the upper end of the front fork frame, the locking ring is fixed in conflict with the upper bearing, so as to ensure the front fork frame and the frame surface tube On the basis of the relative rotation between them, the two are fixed in the axial direction, and because the locking ring is easy to process as a part, it can have better machining accuracy, which makes the connection between the front fork frame and the upper bearing easier. tight and stable.
  • the cap Through the setting of the cap, when the cap is connected with the locking ring, the lower end of the handlebar and the upper end of the front fork frame can be tightly contacted to achieve fixation.
  • the handlebar and the front fork frame are mutually At this time, the locking ring is further removed from the upper end of the front fork frame, and the front fork frame can be removed from the frame surface tube to achieve complete separation.
  • Fig. 1 is the cross-sectional schematic diagram of the front fork handlebar quick group structure of the bicycle frame of the utility model
  • Fig. 2 is the enlarged schematic diagram of A area in Fig. 1;
  • Fig. 3 is the enlarged schematic diagram of B area in Fig. 1;
  • FIG. 4 is a schematic side view of the structure of the front fork handlebar quick group of the bicycle frame of the utility model
  • FIG. 5 is a partial schematic diagram of the front fork handlebar quick-set structure of the bicycle frame of the utility model after removing the cap and the locking ring;
  • Embodiment 1 of the present invention provides a structure of a front fork handlebar of a bicycle frame, which includes a frame surface tube 1, a handlebar 3 and a front cover sleeved on the frame surface tube 1.
  • the two ends of the frame surface tube 1 are respectively provided with an upper bearing 6 and a lower bearing 7, the upper end of the front fork frame 2 penetrates to the top of the upper bearing 6, the front fork frame 2
  • the upper end of the handlebar 3 is detachably sleeved with a lock ring 5, the lock ring 5 is in contact with the upper part of the upper bearing 6, the lower end of the handlebar 3 is provided with a cap 4, the cover 4 and the lock
  • the ring 5 is detachably connected so that the handlebar 3 is fixed to the front fork 2 .
  • the beneficial effect of the above solution relative to the prior art is: by arranging the locking ring 5 on the upper end of the front fork frame 2, and the locking ring 5 and the upper bearing 6 are in conflict and fixed, so as to ensure the front fork frame 2 and the frame barrel 1 On the basis of the relative rotation between the two, the axial fixation of the two is realized, and because the locking ring 5 is easy to process as a part, it can have better machining accuracy, so that the front fork frame 2 and the upper bearing 6 are connected. The connection is tighter and more stable.
  • the cap 4 can further lock the lock.
  • the retaining ring 5 forms a protective effect, so that the interference between the locking ring 5 and the upper bearing 6 is more stable.
  • the upper end surface of the front fork frame 2 is provided with a semicircular clamping groove 2.1 , and the clamping groove 2.1 is arranged along the radial direction of the front fork frame 2 .
  • the lower end of the handlebar 3 is sleeved with an annular locking piece 3.1, and the locking piece 3.1 is fixed to the handlebar 3 by means of a cross butt screw 3.2.
  • the upper end of the locking member 3.1 is in conflict with the cap 4, and the lower end of the locking member 3.1 is provided with an ear-shaped protrusion, and the ear-shaped protrusion is inserted into the slot 2.1, so that the handlebar 3 and the front fork frame 2 are circumferentially arranged to fixed.
  • the cap 4 is a circular ring, and the bottom surface of the cap 4 is provided with a circular groove.
  • the bottom of the groove of the cap 4 is in conflict with the upper ring of the locking member 3.1, and the groove wall of the groove of the cap 4 is provided with threads.
  • the inner ring wall and the outer ring wall of the upper part of the locking ring 5 are both provided with threads, and the side wall of the upper end of the front fork frame 2 is also provided with threads.
  • the locking ring 5 is threadedly connected to the upper end of the front fork frame 2, and the cap 4 and the locking ring 5 are also threadedly connected, so that the user only needs to rotate the cap 4 or the locking ring 5 to realize disassembly and assembly without tools.
  • pin holes can also be provided on the side walls of the cap 4 and the locking ring 5, and the connection can be achieved by pins;
  • a snap groove is provided on the 5, and a snap protrusion is provided on the lower end of the cap 4, so that the cap 4 and the locking ring 5 are snap-connected; other types of detachable connections are also possible.
  • the lock ring 5 may be directly integrally formed during processing, or may be formed by splicing an inner lock ring and an outer lock ring as shown in FIG. 2 , thereby further improving the processing accuracy.
  • the upper part of the locking ring 5 is preferably made of metal material, so that the threaded connection between the locking ring 5 and the cap 4 and the front fork frame 2 is tighter; the lower part of the locking ring 5 is preferably made of plastic material, which can reduce costs while reducing costs. , which also makes the interference between the locking ring 5 and the upper bearing 6 more stable.
  • the upper backing ring 6.1 is circular, and the upper diameter of the upper backing ring 6.1 is larger than the lower diameter to form a stepped shape.
  • the lower part of the upper backing ring 6.1 is clamped to the upper end of the frame tube 1, the upper part of the upper backing ring 6.1 is located outside the frame tube 1, and the middle part of the upper backing ring 6.1 is provided with a circular accommodating groove.
  • the upper bearing 6 is installed in the accommodating groove of the upper backing ring 6.1.
  • the upper bearing 6 is preferably a thrust bearing, and the thrust bearing includes an upper ring and a lower ring.
  • the lower ring of the upper bearing 6 is clamped in the accommodating groove, and the upper ring of the upper bearing 6 is in conflict with the bottom surface of the locking ring 5 , that is, the upper end of the front fork frame 2 is restricted above the frame barrel 1 .
  • an annular protrusion 5.1 is provided in the middle of the bottom surface of the locking ring 5 .
  • the protruding part 5.1 of the locking ring 5 is clamped between the upper ring of the upper bearing 6 and the front fork frame 2, so as to ensure a more stable connection between the front fork frame 2, the locking ring 5 and the upper bearing 6, and at the same time Looseness problems are avoided.
  • a lower backing ring 7.1 is clamped to the lower end of the frame barrel 1 .
  • the lower grommet 7.1 has the same structure as the upper grommet 6.1, but the setting direction is opposite, that is, the upper part of the lower grommet 7.1 is inserted into the lower end of the frame tube 1, and the lower part of the lower grommet 7.1 is provided with an accommodating groove.
  • the lower bearing 7 is located inside the accommodating groove of the lower backing ring 7.1, and the lower bearing 7 has the same structure as the upper bearing 6, but the arrangement direction is opposite.
  • the position where the front fork frame 2 passes through the lower end of the frame barrel 1 is provided with a step platform 2.2, and the snap ring 7.2 is clamped between the lower bearing 7 and the step platform 2.2.
  • the cooperating use of the locking ring 5 and the snap ring 7.2 respectively located above and below the frame barrel 1 realizes the axial fixation of the frame barrel 1 and the front fork frame 2, and when the locking ring 5 is removed, the front fork When the frame 2 comes out downward, the snap ring 7.2 is separated from the lower bearing 7, and the separation of the frame tube 1 and the front fork frame 2 is realized.
  • the lower bearing 7 located at the lower end of the frame barrel 1 can also be directly sleeved on the front fork frame 2, and the lower ring of the lower bearing 7 is in conflict with the stepped platform 2.2 of the front fork frame 2, which is also achieved at this time.
  • the axial fixation of the frame tube 1 and the front fork frame 2 is achieved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

Structure d'assemblage rapide pour un guidon de fourche avant d'un cadre de bicyclette, comprenant un tube de surface de cadre (1), un guidon (3), un cadre de fourche avant (2) emmanché sur le tube de surface de cadre (1), deux extrémités du tube de surface de cadre (1) étant pourvues d'un palier supérieur (6) et d'un palier inférieur (7), respectivement ; l'extrémité supérieure du cadre de fourche avant (2) pénétrant au-dessus du palier supérieur (6) ; l'extrémité supérieure du cadre de fourche avant (2) étant emmanchée amovible avec une bague de verrouillage (5) ; la bague de verrouillage (5) venant en butée au-dessus du palier supérieur (6) ; l'extrémité inférieure du guidon (3) étant pourvue d'un capuchon (4) ; et le capuchon (4) et la bague de verrouillage (5) étant reliés amovibles de telle sorte que le guidon (3) et le cadre de fourche avant (2) sont fixés l'un à l'autre. La bague de verrouillage (5) est agencée sur l'extrémité supérieure du cadre de fourche avant (2), et la bague de verrouillage (5) et le palier supérieur (6) viennent en butée et sont fixés l'un contre l'autre, de telle sorte que la fixation des deux dans la direction axiale est obtenue sur la base de l'assurance de la rotation relative entre le cadre de fourche avant (2) et le tube de surface de cadre (1). De plus, la disposition du capuchon (4) permet au guidon (3) et au cadre de fourche avant (2) d'être facilement démontés et assemblés, ce qui offre une meilleure applicabilité.
PCT/CN2020/116103 2020-07-10 2020-09-18 Structure d'assemblage rapide pour guidon de fourche avant de cadre de bicyclette WO2022007194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021351528.0U CN213008577U (zh) 2020-07-10 2020-07-10 一种自行车车架前叉车把快组结构
CN202021351528.0 2020-07-10

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Publication Number Publication Date
WO2022007194A1 true WO2022007194A1 (fr) 2022-01-13

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PCT/CN2020/116103 WO2022007194A1 (fr) 2020-07-10 2020-09-18 Structure d'assemblage rapide pour guidon de fourche avant de cadre de bicyclette

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WO (1) WO2022007194A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116279954B (zh) * 2023-03-24 2023-12-08 宁波恒隆车业有限公司 一种带阻尼的自行车前叉碗组

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992010392A1 (fr) * 1990-12-06 1992-06-25 Innovative Bicycle Products, Inc. Verrou pour guidon de bicyclette
US5775709A (en) * 1996-06-04 1998-07-07 Chen; Chiung-Yao Bicycle headset assembly
TW406654U (en) * 1999-05-14 2000-09-21 Yu Sheng Transp Ation Equipmen Adjustable threadless head bowl down set pressing bonding structure
CN101171169A (zh) * 2005-05-12 2008-04-30 F·韦德纳 前管轴承的定位装置和前管轴承的定位方法
EP2325074A1 (fr) * 2009-11-24 2011-05-25 VP Components Co., Ltd. Ensemble de casquette pour écouteurs de bicyclette sans fil
CN106005202A (zh) * 2016-07-25 2016-10-12 宁波巨隆机械股份有限公司 一种整体式可实现快速安装的车头碗
CN109018151A (zh) * 2018-08-13 2018-12-18 天津富士达自行车工业有限公司 一种自行车的前叉和把立快速拆装结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992010392A1 (fr) * 1990-12-06 1992-06-25 Innovative Bicycle Products, Inc. Verrou pour guidon de bicyclette
US5775709A (en) * 1996-06-04 1998-07-07 Chen; Chiung-Yao Bicycle headset assembly
TW406654U (en) * 1999-05-14 2000-09-21 Yu Sheng Transp Ation Equipmen Adjustable threadless head bowl down set pressing bonding structure
CN101171169A (zh) * 2005-05-12 2008-04-30 F·韦德纳 前管轴承的定位装置和前管轴承的定位方法
EP2325074A1 (fr) * 2009-11-24 2011-05-25 VP Components Co., Ltd. Ensemble de casquette pour écouteurs de bicyclette sans fil
CN106005202A (zh) * 2016-07-25 2016-10-12 宁波巨隆机械股份有限公司 一种整体式可实现快速安装的车头碗
CN109018151A (zh) * 2018-08-13 2018-12-18 天津富士达自行车工业有限公司 一种自行车的前叉和把立快速拆装结构

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