CN203727580U - Bicycle frame with stable structure and short body - Google Patents
Bicycle frame with stable structure and short body Download PDFInfo
- Publication number
- CN203727580U CN203727580U CN201320896396.3U CN201320896396U CN203727580U CN 203727580 U CN203727580 U CN 203727580U CN 201320896396 U CN201320896396 U CN 201320896396U CN 203727580 U CN203727580 U CN 203727580U
- Authority
- CN
- China
- Prior art keywords
- triangular prism
- sleeve pipe
- vertical beam
- front fork
- saddle
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model relates to a bicycle frame and particularly relates to a bicycle frame with a stable structure and a short body. The bicycle frame comprises a front fork sleeve, a saddle bushing, an intermediate shaft bushing and a rear shaft fork frame. The front fork sleeve and the saddle bushing are connected through a top tube, the intermediate shaft bushing and the front fork sleeve are connected through a down tube, and the saddle bushing and the intermediate shaft bushing are connected through a vertical tube. One end of the rear shaft fork frame is used for mounting a rear shaft, and the other end is fixedly connected with the intermediate shaft bushing. Due to the triangular prism tubular structure, the bicycle body strength is effectively improved; the triangular prism close to the top tube and the down tube is a triangular prism face of the vertical tube, the triangular prism close to the rear shaft fork frame is triangular prism angles, a cambered concave face is arranged on the lower side of the vertical tube, and a wheel is protruded into the cambered concave face, accordingly, the bicycle body length is shortened effectively, and the bicycle body is light.
Description
Technical field
The utility model relates to a kind of cycle frame, relates in particular to the short and small bicycle rack of a kind of stabilized structure car body.
Background technology
In prior art, the vehicle frame of bicycle generally comprises the front fork sleeve for front fork is installed, for the saddle sleeve pipe of saddle is installed, for the axis sleeve pipe of axis is installed, between front fork sleeve and saddle sleeve pipe, connect by upper beam, between axis sleeve pipe and front fork sleeve, connect by underbeam, and be connected by vertical beam between saddle sleeve pipe and axis sleeve pipe, also establish in addition the rear axle crotch for trailing wheel is installed, rear axle crotch one end is used for installing rear axle, and the other end is fixedly connected with axis sleeve pipe.
But ordinary bicycle car body is longer in prior art, and all car body beams are cylindric, and the car body power that is hit is poor, and structure built on the sand.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of stabilized structure car body short and small bicycle rack.
The utility model is to be achieved by the following technical programs:
The short and small bicycle rack of a kind of stabilized structure car body, comprise front fork sleeve, saddle sleeve pipe, axis sleeve pipe and rear axle crotch, between front fork sleeve and saddle sleeve pipe, connect by upper beam, between axis sleeve pipe and front fork sleeve, connect by underbeam, and be connected by vertical beam between saddle sleeve pipe and axis sleeve pipe, rear axle crotch one end is used for installing rear axle, the other end is fixedly connected with axis sleeve pipe, upper beam, underbeam and vertical beam are triangular prism tubulose structure, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface.
The beneficial effects of the utility model are:
Due to upper beam, underbeam and vertical beam are triangular prism tubulose structure, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface, triangular prism tubulose structure actv. improves car body strength, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface, wheel protruding enter vertical beam circular arc concave surface, effectively shorten length over ends of body, make car body more light.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
In figure: 1. saddle sleeve pipe, 2. upper beam, 3. front fork sleeve, 4. underbeam, 5. axis sleeve pipe, 6. rear axle crotch, 7. circular arc concave surface, 8. vertical beam.
Detailed description of the invention
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing and most preferred embodiment, the utility model is described in further detail.
As shown in the figure, the utility model comprises front fork sleeve 3, saddle sleeve pipe 1, axis sleeve pipe 5 and rear axle crotch 6, between front fork sleeve and saddle sleeve pipe, connect by upper beam 2, between axis sleeve pipe and front fork sleeve, connect by underbeam 4, and be connected by vertical beam 8 between saddle sleeve pipe and axis sleeve pipe, rear axle crotch one end is used for installing rear axle, the other end is fixedly connected with axis sleeve pipe, upper beam, underbeam and vertical beam are triangular prism tubulose structure, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface 7.
Due to upper beam, underbeam and vertical beam are triangular prism tubulose structure, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface, triangular prism tubulose structure actv. improves car body strength, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface, wheel protruding enter vertical beam circular arc concave surface, effectively shorten length over ends of body, make car body more light.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. the bicycle rack that stabilized structure car body is short and small, comprise front fork sleeve, saddle sleeve pipe, axis sleeve pipe and rear axle crotch, between front fork sleeve and saddle sleeve pipe, connect by upper beam, between axis sleeve pipe and front fork sleeve, connect by underbeam, and be connected by vertical beam between saddle sleeve pipe and axis sleeve pipe, rear axle crotch one end is used for installing rear axle, the other end is fixedly connected with axis sleeve pipe, it is characterized in that, upper beam, underbeam and vertical beam are triangular prism tubulose structure, the triangular prism faceted pebble that is wherein vertical beam near the triangular prism of upper beam and underbeam side, the triangular prism corner angle that are vertical beam near the triangular prism of rear axle crotch, the middle downside of described vertical beam is provided with circular arc concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896396.3U CN203727580U (en) | 2013-12-31 | 2013-12-31 | Bicycle frame with stable structure and short body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896396.3U CN203727580U (en) | 2013-12-31 | 2013-12-31 | Bicycle frame with stable structure and short body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727580U true CN203727580U (en) | 2014-07-23 |
Family
ID=51197675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896396.3U Expired - Fee Related CN203727580U (en) | 2013-12-31 | 2013-12-31 | Bicycle frame with stable structure and short body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743020A (en) * | 2013-12-31 | 2015-07-01 | 天津光宝车业有限公司 | Bicycle frame stable in structure and small in bicycle body |
-
2013
- 2013-12-31 CN CN201320896396.3U patent/CN203727580U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743020A (en) * | 2013-12-31 | 2015-07-01 | 天津光宝车业有限公司 | Bicycle frame stable in structure and small in bicycle body |
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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: 20140723 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |