CN211032892U - Semi-hidden chain type bicycle frame - Google Patents
Semi-hidden chain type bicycle frame Download PDFInfo
- Publication number
- CN211032892U CN211032892U CN201921315217.6U CN201921315217U CN211032892U CN 211032892 U CN211032892 U CN 211032892U CN 201921315217 U CN201921315217 U CN 201921315217U CN 211032892 U CN211032892 U CN 211032892U
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- groove
- cavity
- riser
- pipe
- stepping down
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Abstract
The utility model relates to a semi-hidden chain formula bicycle frame, including the head pipe that is used for the suit front fork, with the top tube of head pipe rigid coupling, with two back tubes that are parallel to each other of top tube rigid coupling and fix the riser that is used for the suit seatpost between two back tubes, the semi-circular groove of stepping down has been seted up in the outside of one of them back tube, and the cavity has been seted up to the back tube inside that is equipped with the groove of stepping down, the front end and the groove intercommunication of stepping down of cavity, the rear end of cavity runs through the back tube, the lower extreme of riser is fixed with the pipe that supplies the pedal axle to pass, the riser is close to upper end department and is fixed with the layer board, and the rear end department that is equipped with the back tube in the groove. Has the advantage that the chain can be suspended and hidden in the frame.
Description
Technical Field
The utility model relates to a bicycle frame field especially relates to a semi-hidden chain formula bicycle frame.
Background
Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. At present, a plurality of shared bicycles are available on the market, the whole weight of the existing shared bicycle is heavy, the chain of the existing shared bicycle is usually arranged outside, the chain is protected by an additional guard plate, and the whole shared bicycle is not attractive.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a semi-hidden chain formula bicycle frame, it has can hang the chain and hide the advantage in the frame.
The utility model discloses a realize through following technical scheme: the utility model provides a semi-hidden chain formula bicycle frame, is including the head pipe that is used for the suit front fork, with the top tube of head pipe rigid coupling, with two back pipes that are parallel to each other of top tube rigid coupling and fix the riser that is used for the suit seatpost between two back pipes, the semi-circular groove of stepping down has been seted up in the outside of one of them back pipe, and the cavity has been seted up to the back pipe inside that is equipped with the groove of stepping down, the front end and the groove intercommunication of stepping down of cavity, the rear end of cavity runs through the back pipe, the lower extreme of riser is fixed with the pipe that supplies the pedal axle to pass, the riser is close to upper end department and is fixed with the layer board, and the rear end department that is equipped with the back.
Furthermore, the cross section of the supporting plate is triangular.
The utility model has the advantages that: this kind of frame novel structure, can hide half of sprocket through placing the sprocket in the semicircular groove of stepping down, make the sprocket expose half like this and can make things convenient for the chain, prevent that the chain from falling the back because the sprocket is hidden and be not convenient for install, and supply the chain to pass through the cavity, can mesh with the back sprocket of rotating and being connected on the back sprocket mounting panel like this, need not install unnecessary spare parts such as guard plate again to the frame like this, make the frame whole more succinct, and can save partial aluminum alloy in the course of working, the environmental protection has.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
in the figure: 1. a head pipe; 2. feeding a pipe; 3. a rear tube; 4. a riser; 5. a circular tube; 6. a yielding groove; 7. a support plate; 8. a cavity; 9. and a rear chain wheel mounting plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model discloses a first pipe 1 that is used for the suit front fork, with the last pipe 2 of 1 rigid coupling of first pipe, with two back tubes 3 that are parallel to each other of last pipe 2 rigid coupling and fix the riser 4 that is used for the suit seatpost between two back tubes 3, semicircular groove 6 of stepping down has been seted up in the outside of one of them back tube 3, and cavity 8 has been seted up to back tube 3 inside that is equipped with groove 6 of stepping down, the front end and the groove 6 intercommunication of stepping down of cavity 8, back tube 3 is run through to the rear end of cavity 8, the lower extreme of riser 4 is fixed with the pipe 5 that supplies the running-board axle to pass, riser 4 is close to upper end department and is fixed with layer board 7, and the rear end department that is equipped with back tube 3 of groove 6 of stepping down is.
This kind of frame novel structure, can hide half of sprocket through placing the sprocket in semicircular groove 6 of stepping down, make the sprocket expose half like this and can make things convenient for the chain, prevent that the chain from falling the back because the sprocket is hidden and be not convenient for install, and supply the chain to pass through cavity 8, can mesh with the back sprocket that rotates to be connected on back sprocket mounting panel 9 like this, need not install unnecessary spare parts such as guard plate again to the frame like this, make the frame whole more succinct, and can save partial aluminum alloy in the course of working, the environmental protection has.
Further, the cross section of the supporting plate 7 is triangular. The supporting plate 7 is an unlocking device on the fixed sharing bicycle, the triangular supporting plate 7 has better stability at first, and the unlocking device can be inclined to face a pedestrian standing and bending when being installed, so that the pedestrian can conveniently scan the two-dimensional code on the unlocking device
The utility model has the advantages that: this kind of frame novel structure, can hide half of sprocket through placing the sprocket in semicircular groove 6 of stepping down, make the sprocket expose half like this and can make things convenient for the chain, prevent that the chain from falling the back because the sprocket is hidden and be not convenient for install, and supply the chain to pass through cavity 8, can mesh with the back sprocket that rotates to be connected on back sprocket mounting panel 9 like this, need not install unnecessary spare parts such as guard plate again to the frame like this, make the frame whole more succinct, and can save partial aluminum alloy in the course of working, the environmental protection has.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The utility model provides a semi-hidden chain formula bicycle frame which characterized in that: including the head pipe that is used for the suit front fork, with the top tube of head pipe rigid coupling, with two back pipes that are parallel to each other of top tube rigid coupling and fix the riser that is used for the suit seatpost between two back pipes, the semicircular groove of stepping down has been seted up in the outside of one of them back pipe, and the cavity has been seted up to the back pipe inside that is equipped with the groove of stepping down, the front end and the groove intercommunication of stepping down of cavity, the back pipe is run through to the rear end of cavity, the lower extreme of riser is fixed with the pipe that supplies the pedal axle to pass, the riser is close to upper end department and is fixed with the layer board, and the rear end department of the back pipe that is equipped with the groove.
2. The semi-hidden chain bicycle frame of claim 1, characterized in that: the cross section of the supporting plate is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315217.6U CN211032892U (en) | 2019-08-14 | 2019-08-14 | Semi-hidden chain type bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315217.6U CN211032892U (en) | 2019-08-14 | 2019-08-14 | Semi-hidden chain type bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211032892U true CN211032892U (en) | 2020-07-17 |
Family
ID=71540140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921315217.6U Active CN211032892U (en) | 2019-08-14 | 2019-08-14 | Semi-hidden chain type bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211032892U (en) |
-
2019
- 2019-08-14 CN CN201921315217.6U patent/CN211032892U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |