CN203001382U - Front-wheel adjusting device of rollator - Google Patents
Front-wheel adjusting device of rollator Download PDFInfo
- Publication number
- CN203001382U CN203001382U CN 201220579478 CN201220579478U CN203001382U CN 203001382 U CN203001382 U CN 203001382U CN 201220579478 CN201220579478 CN 201220579478 CN 201220579478 U CN201220579478 U CN 201220579478U CN 203001382 U CN203001382 U CN 203001382U
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- China
- Prior art keywords
- wheel
- pipe box
- vertical pipe
- adjusting device
- wheel arm
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000009975 flexible effect Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004899 motility Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a front-wheel adjusting device of a rollator. The front-wheel adjusting device of the rollator comprises a foldable type frame, a handle, front-wheel devices and rear-wheel devices, wherein the handle is arranged on the upper portion of the frame, and the front-wheel devices and the rear-wheel devices are arranged on two sides of the bottom of the frame. The front-wheel device on each side is composed of a longitudinal sleeve, a front-wheel branch pipe and a front wheel. The longitudinal sleeves extend longitudinally and connected at the bottom of the frame, the front wheels are installed at one ends of the front-wheel branch pipes, and the other ends of the front-wheel branch pipes are inserted into the longitudinal sleeves along pipe holes formed at the front ends of the longitudinal sleeves. A locking structure and a telescopic structure are arranged between each front-wheel branch pipe and the corresponding longitudinal sleeve to enable the front-wheel branch pipes to achieve axial rotation and radial expansion relative to the longitudinal sleeves. According to the front-wheel adjusting device of the rollator and in the structure, the stretching effect and the rotation overturn effect are achieved through the inner pipe and outer pipe sleeving type setting, front wheels are enabled to rotate in a telescopic manner when folded for storage, the occupied space of the front-wheel devices is effectively saved when the front-wheel devices are folded for storage, and the use flexibility of products is improved.
Description
Technical field
This utility model relates to a kind of travelling aided bicycle, especially a kind of front wheel adjusting device of travelling aided bicycle.
Background technology
At present, travelling aided bicycle generally all is set to collapsible, but folding structure only limits to the main support body, the structure of other parts, and for example car wheel structure, all can not realize folding or upset, the volume after it is folding takes up room still larger.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and provides a kind of simple and reasonable for structure, possesses flexible and turn over function, effectively reduces the volume after the product foldable integral.
the technical scheme that its technical problem that solves this utility model adopts is: a kind of front wheel adjusting device of travelling aided bicycle, comprise folding vehicle frame, be arranged on the handlebar on vehicle frame top and front wheel device and the rear-wheel device that is arranged on the bottom of frame both sides, it is characterized in that, the front wheel device of described every side is by vertical pipe box, front-wheel arm and front-wheel form, vertical pipe box is longitudinal extension and is connected to bottom of frame, front-wheel is installed and is connected to front-wheel arm one end, the front-wheel arm other end longitudinally pipe box front end pore sleeve enters, described front-wheel arm and vertically between pipe box by locking mechanism and stretching structure, make the relatively vertical pipe box of front-wheel arm realize axial rotation and radial expansion, adopt the front wheel adjusting device of the travelling aided bicycle of this structure, arrange by the inner and outer pipe shell type, realize the flexible effect of front-wheel arm and rotate rollover effect, make the front-wheel can be when folding storage, can the simultaneous retractable formula rotate, effectively reduce front wheel device and take up room when folding storage, improve product and use motility.
Described locking mechanism is comprised of gripping sleeve, fishbolt and clamping lever, gripping sleeve is fixedly installed on vertical pipe box front tube hole, gripping sleeve bottom end opening both sides are extended with regulating block, fishbolt is located on two regulating blocks, the one end is connected with clamping lever, regulate distance between two regulating blocks by fishbolt, gripping sleeve is clamped the front-wheel arm be connected in vertical pipe box; Fishbolt be used for to be regulated the clamping distance between two regulating blocks, realizes compensating roller, simple and reasonable for structure, easy to operate between front-wheel arm and vertical pipe box.
Described gripping sleeve inner wall sleeve is provided with the buffering gum cover, and the front-wheel arm other end passes the buffering gum cover, extends in vertical pipe box; The buffering gum cover prevent the front-wheel arm with vertically between pipe box because metal friction makes a noise and causes wearing and tearing, play and cushion and the effect of noise reduction.
Described stretching structure is comprised of the location spring column and corresponding two locating holes that are opened on the longitudinal pipe casing wall that are arranged on the front-wheel branch pipe wall at least, the locating hole that the front-wheel arm puts by location spring column and longitudinal pipe is located and is coordinated, and makes the relatively vertical pipe box of front-wheel arm realize forward and backward flexible; The cooperation of location spring column and locating hole, its structural principle is simple, and is easy and simple to handle.
Extend longitudinally direction on described longitudinal pipe casing wall and offer two locating holes; Two locating holes coordinate with the location spring column, can make the relative longitudinal pipe sleeve pipe of front-wheel arm forward and backward flexible location, make the wheelbase of front-wheel and trailing wheel can access prolongation, improve the riding stability of travelling aided bicycle.
The beneficial effects of the utility model are: the front wheel adjusting device of a kind of travelling aided bicycle of the present utility model, it is simple and reasonable for structure, arrange by the inner and outer pipe shell type, realize the flexible effect of front-wheel arm and rotate rollover effect, make the front-wheel can be when folding storage, can the simultaneous retractable formula rotate, effectively reduce front wheel device and take up room when folding storage, improve product and use motility.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model folded state.
Fig. 3 is the structural representation of locking mechanism and stretching structure in this utility model.
Fig. 4 is the structural representation of locking mechanism in this utility model.
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is further illustrated.
as shown in Figures 1 to 4, a kind of front wheel adjusting device of travelling aided bicycle, comprise folding vehicle frame 1, be arranged on the handlebar 2 on vehicle frame 1 top and front wheel device 3 and the rear-wheel device 4 that is arranged on vehicle frame 1 two bottom sides, it is characterized in that, the front wheel device 3 of described every side is by vertical pipe box 301, front-wheel arm 302 and front-wheel 303 form, vertically pipe box 301 is longitudinal extension and is connected to vehicle frame 1 bottom, front-wheel 303 is installed and is connected to front-wheel arm 302 1 ends, front-wheel arm 302 other ends longitudinally pipe box 301 front end pore 301-1 sleeves enter, pass through locking mechanism 5 and stretching structure 6 between described front-wheel arm 302 and vertical pipe box 301, make the relatively vertical pipe box 301 of front-wheel arm 302 realize axial rotation and radial expansion, adopt the front wheel adjusting device of the travelling aided bicycle of this structure, arrange by the inner and outer pipe shell type, realize the flexible effect of front-wheel arm 302 and rotate rollover effect, make the front-wheel 303 can be when folding storage, can the simultaneous retractable formula rotate, effectively reduce front wheel device 3 and take up room when folding storage, improve product and use motility.
Described locking mechanism 5 is comprised of gripping sleeve 501, fishbolt 502 and clamping lever 503, gripping sleeve 501 is fixedly installed on vertical pipe box 301 front end pore 301-1, gripping sleeve 501 bottom end opening 501-1 both sides are extended with regulating block 501-2, fishbolt 502 is located on two regulating block 501-2, the one end is connected with clamping lever 503, by the distance that fishbolt 502 is regulated between two regulating block 501-2, gripping sleeve 501 is clamped front-wheel arm 302 be connected in vertical pipe box 301; Fishbolt 502 is used for regulating the clamping distance between two regulating block 501-2, realizes compensating roller, simple and reasonable for structure, easy to operate between front-wheel arm 302 and vertical pipe box 301.
Described gripping sleeve 501 inner wall sleeves are provided with buffering gum cover 504, and front-wheel arm 302 other ends pass buffering gum cover 504, extend in vertical pipe box 301; Buffering gum cover 504 prevent front-wheel arm 302 with vertically between pipe box 301 because metal friction makes a noise and causes wearing and tearing, play and cushion and the effect of noise reduction.
Described stretching structure 6 is comprised of the location spring column 302-1 and corresponding two the locating hole 301-2 that are opened on vertical pipe box 301 tube walls that are arranged on front-wheel arm 302 tube walls at least, front-wheel arm 302 coordinates by the locating hole 301-2 location on location spring column 302-1 and vertical pipe box 301, makes the relatively vertical pipe box 301 of front-wheel arm 302 realize forward and backward stretching; The cooperation of location spring column 302-1 and locating hole 301-2, its structural principle is simple, and is easy and simple to handle.
Extend longitudinally direction on described vertical pipe box 301 tube walls and offer two locating hole 301-2; Two locating hole 301-2 coordinate with location spring column 302-1's, can make the relative longitudinal pipe sleeve pipe 301 of front-wheel arm 302 forward and backward flexible location, make the wheelbase of front-wheel 303 and trailing wheel can access prolongation, the riding stability of raising travelling aided bicycle.
Above-described specific embodiment is only this utility model preferred embodiment, and the equivalent arrangements of such as doing according to this utility model claim all should be technology of the present utility model and contains.
Claims (5)
1. the front wheel adjusting device of a travelling aided bicycle, comprise folding vehicle frame (1), be arranged on the handlebar (2) on vehicle frame (1) top and front wheel device (3) and the rear-wheel device (4) that is arranged on vehicle frame (1) two bottom sides, it is characterized in that, the front wheel device of described every side (3) is by vertical pipe box (301), front-wheel arm (302) and front-wheel (303) form, vertical pipe box (301) is longitudinal extension and is connected to bottom vehicle frame (1), front-wheel (303) is installed and is connected to front-wheel arm (302) one ends, front-wheel arm (302) other end longitudinally pipe box (301) front end pore (301-1) sleeve enters, pass through locking mechanism (5) and stretching structure (6) between described front-wheel arm (302) and vertical pipe box (301), make the relatively vertical pipe box (301) of front-wheel arm (302) realize axial rotation and radial expansion.
2. the front wheel adjusting device of travelling aided bicycle according to claim 1, it is characterized in that, described locking mechanism (5) is by gripping sleeve (501), fishbolt (502) and clamping lever (503) form, gripping sleeve (501) is fixedly installed on vertical pipe box (301) front end pore (301-1), gripping sleeve (501) bottom end opening (501-1) both sides are extended with regulating block (501-2), fishbolt (502) is located on two regulating blocks (501-2), the one end is connected with clamping lever (503), by the distance between fishbolt (502) adjusting two regulating blocks (501-2), gripping sleeve (501) is clamped front-wheel arm (302) to be connected in vertical pipe box (301).
3. the front wheel adjusting device of travelling aided bicycle according to claim 2, is characterized in that, described gripping sleeve (501) inner wall sleeve is provided with buffering gum cover (504), and front-wheel arm (302) other end passes buffering gum cover (504), extends in vertical pipe box (301).
4. the front wheel adjusting device of travelling aided bicycle according to claim 1, it is characterized in that, described stretching structure (6) forms by being arranged on two locating holes (301-2) that location spring column (302-1) on front-wheel arm (302) tube wall and correspondence be opened on vertical pipe box (301) tube wall at least, front-wheel arm (302) is located with the locating hole (301-2) on vertical pipe box (301) by location spring column (302-1) and is coordinated, and makes the relatively vertical pipe box (301) of front-wheel arm (302) realize forward and backward flexible.
5. the front wheel adjusting device of travelling aided bicycle according to claim 4, is characterized in that, extends longitudinally direction on described vertical pipe box (301) tube wall and offer two locating holes (301-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220579478 CN203001382U (en) | 2012-11-06 | 2012-11-06 | Front-wheel adjusting device of rollator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220579478 CN203001382U (en) | 2012-11-06 | 2012-11-06 | Front-wheel adjusting device of rollator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203001382U true CN203001382U (en) | 2013-06-19 |
Family
ID=48593021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220579478 Expired - Fee Related CN203001382U (en) | 2012-11-06 | 2012-11-06 | Front-wheel adjusting device of rollator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203001382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025241443A1 (en) * | 2024-05-24 | 2025-11-27 | 深圳开步科技有限公司 | Storage method for walking aid apparatus, and walking aid apparatus |
-
2012
- 2012-11-06 CN CN 201220579478 patent/CN203001382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025241443A1 (en) * | 2024-05-24 | 2025-11-27 | 深圳开步科技有限公司 | Storage method for walking aid apparatus, and walking aid apparatus |
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Legal Events
| 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 |
Granted publication date: 20130619 Termination date: 20191106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |