CN203698545U - Movable joint used for folding frame - Google Patents

Movable joint used for folding frame Download PDF

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Publication number
CN203698545U
CN203698545U CN201420010513.6U CN201420010513U CN203698545U CN 203698545 U CN203698545 U CN 203698545U CN 201420010513 U CN201420010513 U CN 201420010513U CN 203698545 U CN203698545 U CN 203698545U
Authority
CN
China
Prior art keywords
clutch block
turning joint
movable joint
handle
tooth
Prior art date
Application number
CN201420010513.6U
Other languages
Chinese (zh)
Inventor
张俊福
Original Assignee
张俊福
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
Priority to CN201320733707 priority Critical
Priority to CN201320733707.4 priority
Application filed by 张俊福 filed Critical 张俊福
Priority to CN201420010513.6U priority patent/CN203698545U/en
Application granted granted Critical
Publication of CN203698545U publication Critical patent/CN203698545U/en
Priority claimed from TW103213255U external-priority patent/TWM494115U/en

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Abstract

The utility model relates to a movable joint used for a folding frame. The movable joint comprises a first clutch block, a second clutch block, a pull rod and a handle. The pull rod penetrates through the first clutch block and the second clutch block. The first clutch block and the second clutch block are matched through a tooth surface. One end of the pull rod is connected with a nut, and the other end of the pull rod is provided with a transverse pin. An eccentric cam is arranged at one end of the handle and connected with the transverse pin. According to the movable joint, the first clutch block and the second clutch bock are matched through the tooth surface and are attached to each other under the action between the pull rod and the eccentric cam, the meshing effect of the movable joint is good, and multi-angle adjustment can be achieved; the rotating method of the movable joint is not the same as an existing hinge rotating method, and therefore the application range of the movable joint is larger than that of an existing bicycle folder, and the movable joint can be suitable for folding type multifunctional baby walkers, folding type scooters, folding type horse riding vehicles, folding type bicycles, folding type baby carriages, folding type luggage carts, folding type trolleys and the like.

Description

Folding stand turning joint

Technical field

The utility model relates to folded bicycle technical field, especially folding stand turning joint.

Background technology

China Patent No. CN201320326963.1 discloses a kind of bicycle folder and bicycle device on December 4th, 2013, comprise front pleated sheet for being connected with vehicle frame or vertical tube and rear pleated sheet, handle, described front pleated sheet and rear pleated sheet one side are hinged, described front pleated sheet is respectively equipped with front frame and after poppet with the relative opposite side of the hinged side of rear pleated sheet, the lining that described front frame embedded is coupling, described after poppet and described handle are hinged, and described handle inner side is provided with a locating dowel pin.The folder structure complexity of this structure, Applicable scope little (not being suitable for perambulator, baggage car, hand barrow etc.).In addition, in the time that bicycle uses this folder and folds, car load utilizes folder to reclinate, and needs larger locus when its operation.

Utility model content

The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provide, one is simple and reasonable for structure, applied widely, interlock is effective, also can realize the folding stand turning joint that multi-angle regulates.

The purpose of this utility model is achieved in that

Folding stand turning joint, it is characterized in that, described turning joint comprises the first clutch block, the second clutch block, pull bar and handle, pull bar runs through the first clutch block and the second clutch block, between the first clutch block and the second clutch block, coordinate by the flank of tooth, pull bar one end is connected with nut, and the pull bar other end is provided with lateral pin, handle end is provided with eccentric cam, and eccentric cam is connected with lateral pin.

The purpose of this utility model can also adopt following technical measures to solve:

As scheme more specifically, described the first clutch block face relative with the second clutch block is respectively equipped with first flank of tooth and second flank of tooth that cooperatively interact, between the first clutch block and the second clutch block, is also crimped with Compress Spring.

The first flank of tooth periphery of described the first clutch block is provided with guide runner, and the second flank of tooth periphery of the second clutch block is provided with arc-shaped limit groove, and guide runner inserts in arc-shaped limit groove and slides within the scope of arc-shaped limit groove.

The corresponding described nut of outside face of described the first clutch block is provided with nut standing groove, and nut standing groove is provided with lid.

The corresponding described handle of outside face of described the second clutch block is provided with handle standing groove.

On described the first clutch block and the second clutch block, be respectively equipped with the first connector and the second connector.

Described the first clutch block or the second clutch block are provided with sleeve pipe.

The beneficial effects of the utility model are as follows:

(1) between the first clutch block of this kind of turning joint and the second clutch block, coordinate by the flank of tooth, and, laminating under interacting by pull bar and eccentric cam between the first clutch block and the second clutch block, its interlock is effective, can also realize multi-angle and regulate;

(2) rotating manner of this kind of turning joint and existing hinge through mode are inconsistent, so that its Applicable scope is greater than existing bicycle folder, this turning joint goes for folding utility go-kart, Foldable skate-board, folding type horse riding car, Folding Bicycle, Pushchair, Foldable luggage vehicle, Foldable pushcart etc.

Accompanying drawing explanation

Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.

Fig. 2 is another angle structural representation of Fig. 1.

Fig. 3 is another embodiment structural representation of the utility model.

Fig. 4 is the structural representation that the utility model is applied in Multifunctional walking chair.

Fig. 5 is Multifunctional walking chair plan structure schematic diagram in Fig. 4.

Fig. 6 is Multifunctional walking chair decomposition texture schematic diagram in Fig. 4.

Fig. 7 is Multifunctional walking chair folded state structural representation in Fig. 4.

Fig. 8 is the structural representation that the utility model is applied in Kickboard Scooter.

Fig. 9 is the structural representation that the utility model is applied in toy horse-riding bicycle.

Figure 10 is the structural representation that the utility model is applied in bicycle.

Figure 11 is the structural representation that the utility model is applied in perambulator.

Figure 12 is the structural representation that the utility model is applied in baggage car.

Figure 13 is the structural representation that the utility model is applied in hand barrow.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

As depicted in figs. 1 and 2, folding stand turning joint, described turning joint 1 comprises the first clutch block 13, the second clutch block 15, pull bar 18 and handle 17, pull bar 18 runs through the first clutch block 13 and the second clutch block 15, between the first clutch block 13 and the second clutch block 15, coordinate by the flank of tooth, pull bar 18 one end are connected with nut 12, and pull bar 18 other ends are provided with lateral pin 16, handle 17 ends are provided with eccentric cam 171, and eccentric cam 171 is connected with lateral pin 16.

Described the first clutch block 13 and the relative face of the second clutch block 15 are respectively equipped with between first flank of tooth 131 that cooperatively interacts and the second flank of tooth 153, the first clutch blocks 13 and the second clutch block 15 and are also crimped with Compress Spring 14.

The second flank of tooth 153 peripheries that the first flank of tooth 131 peripheries of described the first clutch block 13 are provided with guide runner 132, the second clutch blocks 15 are provided with arc-shaped limit groove 154, and guide runner 132 inserts in arc-shaped limit groove 154 and slides in arc-shaped limit groove 154 scopes.

The corresponding described nut 12 of outside face of described the first clutch block 13 is provided with nut standing groove 134, and nut standing groove 134 is provided with lid 11.

The corresponding described handle 17 of outside face of described the second clutch block 15 is provided with handle standing groove 152.

On described the first clutch block 13 and the second clutch block 15, be respectively equipped with the first connector 133 and the second connector 151.

The principle of work of turning joint 1 is: when handle 17 is during in tip-up state, the first clutch block 13, between the second clutch block 15, there is certain activity space along pull bar 18 directions, under Compress Spring 14 effects, the first clutch block 13 and the second clutch block 15 are strutted by spring, first flank of tooth 131 and the second no longer interlock of the flank of tooth 153, the first clutch block 13 and the second clutch block 15 all can rotate around pull bar 18, in the time going to proper angle, move handle 17, the eccentric cam 171 of handle 17 is pasting the second clutch block 15 and is doing eccentric motion, pull bar 18 tractive the first clutch blocks 13, Compress Spring 14 is compressed, the first clutch block 13 and the second clutch block 15 are drawn close mutually, make first flank of tooth 131 and the second flank of tooth 153 interlocks, thereby realize location.

In conjunction with Fig. 3, for the turning joint 2 of another embodiment, this turning joint 2 is that with the difference of turning joint 1 its first clutch block 13 or the second clutch block 15 are provided with sleeve pipe 21, sleeve pipe 21 can be used for coordinating with intubate, is mainly used in seat cushion intubate and the vehicle frame position of Multifunctional walking chair, toy horse-riding bicycle and bicycle.

In conjunction with Fig. 4 to Fig. 6, take a Multifunctional walking chair 10 as example, this Multifunctional walking chair 10 has been applied above-mentioned turning joint 1 and turning joint 2, thereby makes it have folder function.Specific as follows: Multifunctional walking chair 10 comprises vehicle frame, front-wheel 8, trailing wheel 5 and seat cushion 3, seat cushion 3 is arranged on vehicle frame, it is characterized in that, described vehicle frame comprises headstock assembly 7, main connecting rod 6, rear wheel support arm 4, described turning joint 1 and turning joint 2, between headstock assembly 7 and main connecting rod 6 front ends, be connected by turning joint 1, headstock assembly 7 is provided with front wheel supporting arm 73, front wheel supporting arm 73 is connected in front-wheel 8 one sides, between rear wheel support arm 4 upper ends and main connecting rod 1 rear end, be connected by turning joint 2, rear wheel support arm 4 lower ends are connected in trailing wheel 5 one sides, wherein, the interface c of turning joint 1 and the interface b of turning joint 2 are obliquely installed with respect to the left and right bisector plane a of main connecting rod respectively.Above-mentioned main connecting rod 6 front ends are connected with the second connector 151 of turning joint 1, and main connecting rod 6 rear ends are connected with the first connector of turning joint 2, and the second connector of turning joint 2 is connected with rear wheel support arm 4 upper ends; The sleeve pipe 21 of turning joint 2 is pegged graft and is coordinated with the support tube 31 of seat cushion 3 bottoms.

Described headstock assembly 7 comprises T-shaped pipe 71, handlebar 74 and described front wheel supporting arm 73, T-shaped pipe 71 is put upside down and is arranged and be connected with the first connector 133 of turning joint 1, handlebar 74 is T-shaped, handlebar 74 lower ends insert in T-shaped pipe 71 and with T-shaped pipe 71 normal-running fiies, handlebar 74 left and right sides are provided with handle 75, and front wheel supporting arm 73 is positioned at T-shaped pipe 71 bottoms and is connected with handlebar 74 lower ends.

Described handlebar 74 is connected with handle 75 splits, and handlebar 74 is provided with handle socket 9, and on handle socket 9, corresponding left and right two handles 75 are provided with two decks 91.

Described rear wheel support arm 4 and front wheel supporting arm 73 lay respectively at the left and right sides of the left and right bisector plane a of main connecting rod.

The folding principle of Multifunctional walking chair 10 is: the handle 67 of cocked turning joint 1 and turning joint 2 respectively, can realize headstock assembly 7 and front-wheel 8 rotates, rear wheel support arm 4 and trailing wheel 5 rotate, because the interface c of turning joint and the interface b of turning joint 2 are obliquely installed with respect to the left and right bisector plane a of main connecting rod respectively, so after folding, front-wheel 8 and trailing wheel 5 stagger after certain angle, are superimposed together.In addition, the handle 75 at handlebar 74 two ends can also be extracted on the deck 91 that rear buckle is connected to handle socket 9, as shown in Figure 7.

Referring to Fig. 8, turning joint 1 can be applicable on Foldable skate-board 20, and A arrow and B arrow place in Fig. 8 are shown in turning joint 1.

Referring to Fig. 9, turning joint 1 can be applicable on folding type horse riding car 30, and C arrow place in Fig. 9 is shown in turning joint 1.

Referring to Figure 10, turning joint 1 can be applicable on Folding Bicycle 40, and D in Figure 10, E, F arrow place are shown in turning joint 1.

Referring to Figure 11, turning joint 1 can be applicable on Pushchair 50, and G in Figure 11, H, I arrow place are shown in turning joint 1.

Referring to Figure 12, turning joint 1 can be applicable on Foldable luggage vehicle 60, and J arrow and K arrow place in Figure 12 are shown in turning joint 1.

Referring to Figure 13, turning joint 1 can be applicable on Foldable pushcart 70, and L arrow and M arrow place in Figure 13 are shown in turning joint 1.

Claims (7)

1. folding stand turning joint, it is characterized in that, described turning joint comprises the first clutch block, the second clutch block, pull bar and handle, pull bar runs through the first clutch block and the second clutch block, between the first clutch block and the second clutch block, coordinate by the flank of tooth, pull bar one end is connected with nut, and the pull bar other end is provided with lateral pin, handle end is provided with eccentric cam, and eccentric cam is connected with lateral pin.
2. folding stand turning joint according to claim 1, it is characterized in that, described the first clutch block face relative with the second clutch block is respectively equipped with first flank of tooth and second flank of tooth that cooperatively interact, between the first clutch block and the second clutch block, is also crimped with Compress Spring.
3. folding stand turning joint according to claim 2, it is characterized in that, the first flank of tooth periphery of described the first clutch block is provided with guide runner, and the second flank of tooth periphery of the second clutch block is provided with arc-shaped limit groove, and guide runner inserts in arc-shaped limit groove and slides within the scope of arc-shaped limit groove.
4. folding stand turning joint according to claim 1, is characterized in that, the corresponding described nut of outside face of described the first clutch block is provided with nut standing groove, and nut standing groove is provided with lid.
5. folding stand turning joint according to claim 1, is characterized in that, the corresponding described handle of outside face of described the second clutch block is provided with handle standing groove.
6. folding stand turning joint according to claim 1, is characterized in that, is respectively equipped with the first connector and the second connector on described the first clutch block and the second clutch block.
7. folding stand turning joint according to claim 1, is characterized in that, described the first clutch block or the second clutch block are provided with sleeve pipe.
CN201420010513.6U 2013-11-20 2014-01-08 Movable joint used for folding frame CN203698545U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201320733707 2013-11-20
CN201320733707.4 2013-11-20
CN201420010513.6U CN203698545U (en) 2013-11-20 2014-01-08 Movable joint used for folding frame

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420010513.6U CN203698545U (en) 2013-11-20 2014-01-08 Movable joint used for folding frame
TW103213255U TWM494115U (en) 2014-01-08 2014-07-25 Movable joint for foldable vehicle frame

Publications (1)

Publication Number Publication Date
CN203698545U true CN203698545U (en) 2014-07-09

Family

ID=51049023

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201420010513.6U CN203698545U (en) 2013-11-20 2014-01-08 Movable joint used for folding frame
CN201420010603.5U CN203698546U (en) 2013-11-20 2014-01-08 Multifunctional folding bicycle

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201420010603.5U CN203698546U (en) 2013-11-20 2014-01-08 Multifunctional folding bicycle

Country Status (2)

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CN (2) CN203698545U (en)
TW (1) TWM511984U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104648576A (en) * 2015-02-03 2015-05-27 广州凯路仕自行车运动时尚产业股份有限公司 Bicycle folding method and folding bicycle
CN107521598A (en) * 2016-06-15 2017-12-29 快乐活运动有限公司 Pivot fitting and the vehicle using pivot fitting
CN107792269A (en) * 2016-08-30 2018-03-13 无锡东南车辆科技有限公司 Foldable multifunctional scooter
WO2018068271A1 (en) * 2016-10-13 2018-04-19 深圳易马达科技有限公司 Rotation angle locking mechanism
TWI661964B (en) * 2018-09-17 2019-06-11 程寶賢 Foldable structure of bicycle
CN111038636A (en) * 2018-10-15 2020-04-21 程宝贤 Bicycle folding structure and bicycle folding method
DE102018126124A1 (en) * 2018-10-20 2020-04-23 Chun-Shuo Cheng Foldable bike structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101894730B1 (en) * 2016-11-28 2018-09-04 주식회사 원진테크 A Folding Apparatus of Bicycle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104648576A (en) * 2015-02-03 2015-05-27 广州凯路仕自行车运动时尚产业股份有限公司 Bicycle folding method and folding bicycle
CN107521598A (en) * 2016-06-15 2017-12-29 快乐活运动有限公司 Pivot fitting and the vehicle using pivot fitting
CN107792269A (en) * 2016-08-30 2018-03-13 无锡东南车辆科技有限公司 Foldable multifunctional scooter
CN107792269B (en) * 2016-08-30 2020-10-20 金华斯彼德微车业有限公司 Multifunctional folding scooter
WO2018068271A1 (en) * 2016-10-13 2018-04-19 深圳易马达科技有限公司 Rotation angle locking mechanism
TWI661964B (en) * 2018-09-17 2019-06-11 程寶賢 Foldable structure of bicycle
CN111038636A (en) * 2018-10-15 2020-04-21 程宝贤 Bicycle folding structure and bicycle folding method
DE102018126124A1 (en) * 2018-10-20 2020-04-23 Chun-Shuo Cheng Foldable bike structure

Also Published As

Publication number Publication date
CN203698546U (en) 2014-07-09
TWM511984U (en) 2015-11-11

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140709

Termination date: 20170108