CN209739217U - Auxiliary wheel mounting device for bicycle - Google Patents
Auxiliary wheel mounting device for bicycle Download PDFInfo
- Publication number
- CN209739217U CN209739217U CN201920361632.9U CN201920361632U CN209739217U CN 209739217 U CN209739217 U CN 209739217U CN 201920361632 U CN201920361632 U CN 201920361632U CN 209739217 U CN209739217 U CN 209739217U
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- China
- Prior art keywords
- rear wheel
- auxiliary wheel
- fork joint
- bicycle
- auxiliary
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Abstract
the utility model discloses bicycle auxiliary wheel installation device, including the rear wheel fork joint and the auxiliary wheel support frame of being connected with bicycle frame and rear wheel, auxiliary wheel support frame one end is equipped with the auxiliary wheel, and the other end is equipped with the back shaft and installs the auxiliary wheel installation department together with the rear wheel fork joint through the flexible bayonet lock detachably that radially sets up, be equipped with the limit structure who restricts auxiliary wheel installation department axial rotation between the terminal surface of rear wheel fork joint and the auxiliary wheel installation department; the rear wheel is axially and rotatably connected with the rear wheel fork joint through the rear wheel shaft, the rear wheel shaft is provided with a through hole which is axially matched with the supporting shaft, the rear wheel fork joint is provided with an installation through hole for installing the rear wheel shaft, and the supporting shaft sequentially penetrates through the positioning block, the rear wheel fork joint and the rear wheel shaft. The utility model discloses following beneficial effect has: the bicycle auxiliary wheel is fast installed, the bicycle auxiliary wheel can be conveniently and fast installed on the bicycle frame and detached from the bicycle frame by hands without tools, and the bicycle auxiliary wheel is easy to operate.
Description
Technical Field
The utility model relates to a bicycle technical field, concretely relates to bicycle auxiliary wheel installation device.
Background
Commonly used bicycles are generally composed of a front wheel and a rear wheel, and bicycles for children and beginners to learn also need to be provided with auxiliary wheels at the rear wheel so as to prevent falling down when learning bicycles.
Most of the prior children bicycle auxiliary wheels are directly fixed on the rear shaft by screws, and special tools are needed for assembly and disassembly, which is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the installation is reliable is provided, need not to use specialized tool can the dismouting auxiliary wheel, the convenient bicycle auxiliary wheel installation device of dismouting auxiliary wheel.
Realize the utility model discloses the technical solution of purpose does: bicycle auxiliary wheel installation device, its characterized in that: the auxiliary wheel support frame is characterized by comprising a rear wheel fork joint and an auxiliary wheel support frame which are connected with a bicycle frame and a rear wheel, wherein one end of the auxiliary wheel support frame is provided with an auxiliary wheel, the other end of the auxiliary wheel support frame is provided with a support shaft and an auxiliary wheel installation part which is detachably installed with the rear wheel fork joint through an elastic telescopic clamping pin arranged in the radial direction, and a limiting structure for limiting the axial rotation of the auxiliary wheel installation part is arranged between the end surface of the rear wheel fork joint and the auxiliary wheel installation part; the rear wheel is axially and rotatably connected with the rear wheel fork joint through the rear wheel shaft, the rear wheel shaft is provided with a through hole which is axially matched with the supporting shaft, the rear wheel fork joint is provided with an installation through hole for installing the rear wheel shaft, and the supporting shaft sequentially penetrates through the positioning block, the rear wheel fork joint and the rear wheel shaft.
The limiting structure comprises a limiting block arranged on the end face of the rear wheel fork joint and used for limiting the axial rotation of the auxiliary wheel mounting part and a positioning block arranged on the end face of the auxiliary wheel mounting part, and the positioning block is provided with a limiting clamping groove matched with the limiting block.
The elastic telescopic bayonet lock is arranged on the circumferential surface of the rear wheel fork joint, and the auxiliary wheel mounting part is provided with a clamping hole matched with the elastic telescopic bayonet lock.
The elastic telescopic clamping pin comprises a spring arranged on the rear wheel fork joint and a clamping pin sleeved on the spring, and a clamping pin baffle limiting the clamping pin on the rear wheel fork joint is arranged on the rear wheel fork joint.
the bayonet pin baffle is detachably fixed on the rear wheel fork joint through a bolt.
The cross section of the periphery of the limiting block is polygonal.
The utility model discloses bicycle auxiliary wheel installation device has following beneficial effect: the installation is rapid, the operation is easy and convenient; the bicycle auxiliary wheel can be conveniently and quickly installed on the bicycle frame by hands without tools, and the bicycle auxiliary wheel can be conveniently and quickly detached from the bicycle frame by hands without tools.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and examples;
Fig. 1 is a schematic exploded view of the present invention;
FIG. 2 is a schematic view of the auxiliary wheel of the present invention separated from the bicycle;
Fig. 3 is a schematic structural view of the auxiliary wheel of the present invention assembled with a bicycle.
Detailed Description
As shown in fig. 1-3, bicycle auxiliary wheel installation device includes rear wheel fork joint 3 and auxiliary wheel support frame 4 connected with bicycle frame 1 and rear wheel 2, 4 one ends of auxiliary wheel support are equipped with auxiliary wheel 5, and the other end is equipped with auxiliary wheel installation department 7 and back shaft 8 of installing together through the flexible bayonet lock 6 detachably of radial setting with rear wheel fork joint 3, the terminal surface of rear wheel fork joint 3 is equipped with and is used for restricting 7 axial pivoted stoppers 3.1 of auxiliary wheel installation department, and 7 terminal surfaces of auxiliary wheel installation department are equipped with locating piece 9, locating piece 9 is equipped with the spacing draw-in groove 9.1 that matches with stopper 3.1, auxiliary wheel installation department 7 and locating piece 9 pass through the bolt fastening on auxiliary wheel support frame 4. The rear wheel fork joint 3 is fixed on the bicycle frame 1 through a bolt, the rear wheel 2 is axially and rotatably connected with the rear wheel fork joint 3 through a rear wheel shaft 2.1, the rear wheel shaft 2.1 is provided with a through hole 2.2 which is axially matched with the supporting shaft 8, the rear wheel fork joint 3 is provided with an installation through hole 3.2 used for installing the rear wheel shaft 2.1, and the supporting shaft 8 sequentially penetrates through the positioning block 9, the rear wheel fork joint 3 and the rear wheel shaft 2.1.
The elastic telescopic bayonet 6 is arranged on the circumferential surface of the rear wheel fork joint 3, and the auxiliary wheel mounting part 7 is provided with a clamping hole 7.1 matched with the elastic telescopic bayonet 6.
The elastic telescopic bayonet 6 comprises a spring 6.1 arranged on the rear wheel fork joint 3 and a bayonet 6.2 sleeved on the spring 6.1, and a bayonet baffle 3.3 limiting the bayonet 6.2 on the rear wheel fork joint 3 is arranged on the rear wheel fork joint 3.
The bayonet catch 3.3 is detachably fixed to the rear wheel fork joint 3 by means of a bolt.
The cross section of the periphery of the limiting block 3.1 is in a regular polygon shape.
Claims (6)
1. Bicycle auxiliary wheel installation device, its characterized in that: the auxiliary wheel support frame is characterized by comprising a rear wheel fork joint and an auxiliary wheel support frame which are connected with a bicycle frame and a rear wheel, wherein one end of the auxiliary wheel support frame is provided with an auxiliary wheel, the other end of the auxiliary wheel support frame is provided with a support shaft and an auxiliary wheel installation part which is detachably installed with the rear wheel fork joint through an elastic telescopic clamping pin arranged in the radial direction, and a limiting structure for limiting the axial rotation of the auxiliary wheel installation part is arranged between the end surface of the rear wheel fork joint and the auxiliary wheel installation part; the rear wheel is axially and rotatably connected with the rear wheel fork joint through the rear wheel shaft, the rear wheel shaft is provided with a through hole which is axially matched with the supporting shaft, the rear wheel fork joint is provided with an installation through hole for installing the rear wheel shaft, and the supporting shaft sequentially penetrates through the positioning block, the rear wheel fork joint and the rear wheel shaft.
2. The bicycle accessory wheel mounting apparatus of claim 1, wherein: the limiting structure comprises a limiting block and a positioning block, wherein the limiting block is arranged on the end face of the rear wheel fork joint and used for limiting the axial rotation of the auxiliary wheel mounting part, the positioning block is arranged on the end face of the auxiliary wheel mounting part, and a limiting clamping groove matched with the limiting block is formed in the positioning block.
3. The bicycle accessory wheel mounting apparatus of claim 1, wherein: the elastic telescopic bayonet lock is arranged on the circumferential surface of the rear wheel fork joint, and the auxiliary wheel mounting part is provided with a clamping hole matched with the elastic telescopic bayonet lock.
4. A bicycle auxiliary wheel mounting apparatus as defined in claim 1 or 3, wherein: the elastic telescopic clamping pin comprises a spring arranged on the rear wheel fork joint and a clamping pin sleeved on the spring, and a clamping pin baffle limiting the clamping pin on the rear wheel fork joint is arranged on the rear wheel fork joint.
5. The bicycle accessory wheel mounting apparatus of claim 4, wherein: the bayonet lock baffle is detachably fixed on the rear wheel fork joint through a bolt.
6. the bicycle accessory wheel mounting apparatus of claim 2, wherein: the cross section of the periphery of the limiting block is polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361632.9U CN209739217U (en) | 2019-03-20 | 2019-03-20 | Auxiliary wheel mounting device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361632.9U CN209739217U (en) | 2019-03-20 | 2019-03-20 | Auxiliary wheel mounting device for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209739217U true CN209739217U (en) | 2019-12-06 |
Family
ID=68717550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361632.9U Active CN209739217U (en) | 2019-03-20 | 2019-03-20 | Auxiliary wheel mounting device for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209739217U (en) |
-
2019
- 2019-03-20 CN CN201920361632.9U patent/CN209739217U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200529 Address after: Floor 2, building C3, No.2, Shizhou section, Baichen Road, Gangbei Industrial Zone, Shizhou village committee, Chencun Town, Shunde District, Foshan City, Guangdong Province 528313 Patentee after: Foshan yunqifeng Intelligent Technology Co., Ltd Address before: 528200 Room 512, No. 1 Janping Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN BIKU INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |