CN211391582U - Hand-rotating front-assisting front-driving clutch bicycle - Google Patents
Hand-rotating front-assisting front-driving clutch bicycle Download PDFInfo
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- CN211391582U CN211391582U CN201920885886.0U CN201920885886U CN211391582U CN 211391582 U CN211391582 U CN 211391582U CN 201920885886 U CN201920885886 U CN 201920885886U CN 211391582 U CN211391582 U CN 211391582U
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Abstract
The utility model discloses a hand-rotating front-drive clutch bicycle, which comprises a bicycle body, a first transmission piece, a transmission gear, a clutch mechanism and a reset spring, wherein the first transmission piece, the transmission gear, the clutch mechanism and the reset spring are connected to the bicycle body; the bicycle body comprises a handle, a wheel body and a frame, and the handle is rotatably arranged on the frame; the transmission gear is in transmission connection with the wheel body; the upper end of the first transmission piece is hinged with the handle and can move along with the rotation of the handle, one side of the first transmission piece, facing the transmission gear, is provided with a transmission tooth matched with the transmission gear, and the reset spring is connected with the first transmission piece so as to apply acting force to the first transmission piece to enable the first transmission piece to be far away from the transmission gear; the clutch mechanism is in contact action with the first transmission piece and is used for switching the matching state and the disengaging state of the transmission teeth and the transmission gear. The design uses hands and feet simultaneously, and the front wheel rotates by using the mode of a hand knob handle, so that double driving of the front wheel and the rear wheel is realized, the front wheel assists in acting, and more labor is saved when climbing hills.
Description
Technical Field
The utility model relates to a bicycle especially relates to a hand rotary type helps forerunner's separation and reunion bicycle.
Background
At present, with the increase of people on outdoor fitness traveling, riding becomes a popular trend, in addition, urban traffic jam is caused by the increase of urban population and motor vehicles, more people begin to select bicycles as traveling vehicles, energy is saved, the environment is protected, and the traffic jam can be effectively relieved. However, when the bicycle is ridden, the bicycle is very strenuous when going uphill and climbing mountain, and the bicycle may need to be pushed forward by getting off when going uphill after being ridden for a long time, which causes inconvenience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least. Therefore, the utility model provides a make things convenient for hand-rotating forerunner's separation and reunion bicycle of going up a slope.
The utility model provides a technical scheme that its technical problem adopted is: a hand-rotating front-drive clutch bicycle comprises a bicycle body, a first transmission piece, a transmission gear, a clutch mechanism and a return spring, wherein the first transmission piece, the transmission gear, the clutch mechanism and the return spring are connected to the bicycle body; the bicycle body comprises a handle, a wheel body and a frame, and the handle is rotatably arranged on the frame; the transmission gear is in transmission connection with the wheel body; the upper end of the first transmission piece is hinged with the handle and can move along with the rotation of the handle, one side of the first transmission piece, facing the transmission gear, is provided with a transmission tooth matched with the transmission gear, and the reset spring is connected with the first transmission piece so as to apply acting force to the first transmission piece to enable the first transmission piece to be far away from the transmission gear; the clutch mechanism is in contact action with the first transmission piece and is used for switching the matching state and the disengaging state of the transmission teeth and the transmission gear; the transmission gear leans against the transmission gear under the pressure action of the clutch mechanism, and when the transmission gear is matched with the transmission gear, the motion energy of the first transmission piece drives the wheel body to advance.
Furthermore, the wheel body is provided with a connecting wheel, and the transmission gear is in transmission connection with the connecting wheel so as to drive the wheel body to rotate.
Further, the transmission gear is in transmission connection with the connecting wheel through a chain.
Further, the clutch mechanism comprises a rotating disc, a second transmission piece and a pressure rod, and the rotating disc and the pressure rod are rotatably arranged on the frame; the rotating disc is in transmission connection with the handle, the rotating periods of the rotating disc and the handle are consistent, one end of the second transmission piece is hinged with the rotating disc, the other end of the second transmission piece is hinged with one end of the pressing rod, and the other end of the pressing rod abuts against the first transmission piece.
Furthermore, a circle of tooth grooves are formed in the positions, corresponding to the rotating disc, of the handle, a circle of convex teeth matched with the tooth grooves in a corresponding mode are arranged on the periphery of the rotating disc, and transmission of the rotating disc and the handle is achieved through matching of the convex teeth and the tooth grooves.
Further, the second transmission part comprises a first transmission rod, a middle rotating part and a second transmission rod, and the middle rotating part is rotatably arranged on the frame; one end of the first transmission rod is hinged with the rotating disc, and the other end of the first transmission rod is hinged with the middle rotating piece; one end of the second transmission rod is hinged with the middle rotating part, and the other end of the second transmission rod is hinged with the pressing rod.
Furthermore, a first mounting column is arranged at the lower end of the first transmission piece, a second mounting column is arranged on one side, away from the transmission teeth, of the bicycle body, and two ends of the reset spring are respectively connected to the first mounting column and the second mounting column in a hanging mode.
The first transmission piece, the transmission gear, the clutch mechanism and the reset spring are all installed on the installation frame.
Further, a pin hole is formed in the mounting frame and is located on one side, facing the transmission gear, of the first transmission piece in a state that the first transmission piece is separated from the transmission gear, and the pin hole is used for mounting a bayonet to prevent the first transmission piece from approaching the transmission gear.
The utility model has the advantages that: the handle is rotated to drive the first transmission piece, and the clutch mechanism is matched to press the transmission teeth of the first transmission piece to the transmission gear to enable the transmission gear to be in transmission fit, so that the transmission gear can be driven to rotate by the movement of the first transmission piece, and the transmission gear transmits torque to the wheel body, so that assistance is realized, and the riding difficulty in uphill is reduced; the design uses hands and feet simultaneously, and the front wheel rotates by using the mode of a hand knob handle, so that double driving of the front wheel and the rear wheel is realized, the front wheel assists in acting, and more labor is saved when climbing hills.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the installation structure of the present invention;
FIG. 2 is a schematic view of a first transmission member, a transmission gear, a clutch mechanism and a return spring in a first state;
FIG. 3 is a schematic view of the first transmission member, the transmission gear, the clutch mechanism and the return spring in a second state;
FIG. 4 is a schematic view of the first transmission member, the transmission gear, the clutch mechanism and the return spring in a third state;
FIG. 5 is a schematic diagram of a fourth state of the first transmission member, the transmission gear, the clutch mechanism and the return spring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the present invention relates to a hand-rotating front-wheel drive clutch bicycle, which comprises a bicycle body 110, and a first transmission member 120, a transmission gear 130, a clutch mechanism 140 and a return spring 150 connected to the bicycle body 110.
The bicycle body 110 comprises a handle 111, two wheel bodies 112 and a frame 114, wherein the handle 111 is rotatably mounted on the frame 114, and the two wheel bodies 112 are rotatably mounted at the front end and the rear end of the frame 114 through connecting shafts respectively. The transmission gear 130 is in transmission connection with the wheel body 112, the wheel body 112 is preferably a wheel body at the front end, specifically, the wheel body 112 is provided with a connecting wheel 132, the connecting wheel 132 and the wheel body 112 rotate coaxially, the connecting wheel 132 can transmit forward torque to the wheel body 112, the transmission gear 130 is in transmission connection with the connecting wheel 132 to drive the wheel body 112 to rotate, preferably, the transmission gear 130 is in transmission connection with the connecting wheel 132 through a chain 133, that is, a chain wheel is fixedly arranged on one side of the transmission gear 130, and the chain 133 is connected to the chain wheel, so that teeth of the transmission gear 130 and the chain 133 are axially arranged at intervals without mutual influence, and in other embodiments, the transmission gear 130 and the connecting wheel 132 can transmit torque through belt transmission.
The upper end of the first transmission member 120 is hinged to the handle 111 and can move along with the rotation of the handle 111, a transmission tooth 121 for matching with the transmission gear 130 is arranged on one side of the first transmission member 120 facing the transmission gear 130, and the return spring 150 is connected with the first transmission member 120 to apply an acting force to the first transmission member 120 to enable the first transmission member 120 to be away from the transmission gear 130. Preferably, the lower end of the first transmission member 120 is provided with a first mounting post 122, the bicycle body 110 is provided with a second mounting post 113 on a side of the first transmission member 120 away from the transmission teeth, two ends of the return spring 150 are respectively hung on the first mounting post 122 and the second mounting post 113, and the return spring 150 pulls the first transmission member 120 so that the first transmission member is not in matched transmission with the transmission gear 130.
The clutch mechanism 140 is in contact with the first transmission member 120 and is used for switching the matching state and the disengaging state of the transmission gear 121 and the transmission gear 130; the driving gear 121 is pressed against the driving gear 130 by the pressure of the clutch mechanism 140, and when the driving gear is matched with the driving gear 130, the motion energy of the first driving member 120 drives the wheel body 112 to advance. As shown in fig. 2 to 4, the first transmission member 120 is located at the right side of the transmission gear 130, and when the first transmission member 120 moves downward, the transmission gear 130 can be driven to rotate clockwise and the wheel body 112 can be driven to rotate forward, on the contrary, when the first transmission member 120 moves upward, the wheel body 112 can be driven to retreat, which is obviously undesirable, so that when the first transmission member 120 moves upward, the first transmission member 120 is required to be disengaged from the transmission gear 130, that is, the engaged state and the disengaged state of the transmission gear 121 and the transmission gear 130 correspond to the downward and upward movement of the first transmission member 120.
Preferably, the clutch mechanism 140 includes a rotating disc 141, a second transmission member and a pressing rod 145, and the rotating disc 141 and the pressing rod 145 are rotatably mounted on the frame 114; the rotating disc 141 and the handle 111 are in transmission connection and have the same rotation period, so that the up-and-down periodic movement of the first transmission member 120 can be matched with the switching period of the clutch mechanism 140, preferably, a circle of tooth grooves are formed in the position, corresponding to the rotating disc 141, of the handle 111, a circle of convex teeth correspondingly matched with the tooth grooves are formed in the periphery of the rotating disc 141, transmission between the rotating disc 141 and the handle 111 is realized through the matching of the convex teeth and the tooth grooves, the transmission ratio between the handle 111 and the rotating disc 141 is 1:1, and in other embodiments, transmission between the handle 111 and the rotating disc 141 can also be realized through a belt. One end of the second transmission member is hinged to the rotating disc 141, the other end of the second transmission member is hinged to one end of the pressing rod 145, and the other end of the pressing rod 145 abuts against the first transmission member 120. Preferably, the second transmission member comprises a first transmission rod 142, an intermediate rotation member 143 and a second transmission rod 144, wherein the intermediate rotation member 143 is rotatably mounted on the frame 114; one end of the first transmission rod 142 is hinged with the rotating disc 141, and the other end is hinged with the middle rotating piece 143; one end of the second transmission rod 144 is hinged with the middle rotating part 143, and the other end is hinged with the pressing rod 145, so that the middle rotating part 143 can bear the transmission load, and the damage of the second transmission part caused by the large load borne by the middle of the second transmission part is avoided.
The operation state of one cycle thereof is described below from fig. 2 to 5. As shown in fig. 1, the first transmission member 120 is located at the highest point and abuts against the pressure lever 145 under the action of the return spring 150, the transmission teeth of the first transmission member 120 are to be embedded into the tooth grooves of the transmission gear 130 to realize transmission, at this time, the handle rotates counterclockwise to drive the rotating disc 141 to rotate clockwise, the first transmission rod 142 and the second transmission rod 144 are driven to press down and the right side of the pressure lever 145 is driven to press down, that is, the pressure lever 145 presses the first transmission member 120 to the transmission gear 130, then the first transmission member 120 presses down, and the first transmission member 120 is in transmission fit with the transmission gear 130 to drive the transmission gear to rotate clockwise, that is, the wheel body rotates. The state shown in fig. 3 is reached after the period 1/4, when the first transmission member 120 is tightly engaged with the transmission gear 130, the pressing rod 145 has reached the limit position and then releases the first transmission member 120, the handle continues to rotate, the first transmission member 120 moves down mechanically to drive the transmission gear 130 to rotate clockwise, and the pressing rod 145 starts to rotate counterclockwise, so that the transmission gear 121 slowly releases the transmission gear 130. After 1/4 cycles, the state shown in fig. 4 is reached, and at this time, the driving tooth 121 just disengages from the driving gear, the first driving member 120 also reaches the lowest position and moves upward, and the pressing rod 145 continues to rotate counterclockwise, so that the driving tooth 121 completely disengages from the driving gear 130. The state of fig. 5 is reached after the period of further rotation 1/4, at which point the first transmission member 120 will continue to move upwards and the driving cog 121 is completely disengaged from the driving cog 130, but then the pressing bar will start to move clockwise to slowly bring the driving cog 121 towards the driving cog 130. And returning to the state of the figure 1 after the period of continuous rotation 1/4.
In order to facilitate the assembly and disassembly of the power assisting component, the design further includes a mounting bracket (not shown in the figure) mounted on the frame 114, and the first transmission member 120, the transmission gear 130, the clutch mechanism 140 and the return spring 150 are all mounted on the mounting bracket. The mounting bracket is preferably removably mounted to the frame 114 by fasteners such as bolts to facilitate removal and installation. The power assisting device can be used for installing the components on other bicycles to realize power assisting.
In order to completely cut off the engagement of the first transmission member 120 with the transmission gear 130 when the hand power is not required, as shown in fig. 5, a pin hole 160 is provided on the mounting bracket, and the pin hole 160 is located on a side of the first transmission member 120 facing the transmission gear 130 in a state where the first transmission member 120 is separated from the transmission gear 130 for mounting a bayonet to prevent the first transmission member 120 from approaching the transmission gear 130. When the bicycle is in a downhill or level road state, if the bicycle does not need to be assisted by hand, a bayonet lock matched with the pin hole 160 can be inserted into the pin hole 160, so that the first transmission piece 120 can not be close to the transmission gear 130 and can not be matched with the transmission gear 130 to drive the front wheel to rotate.
The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (9)
1. A hand-rotary front-drive clutch bicycle is characterized in that: comprises a bicycle body (110), a first transmission piece (120), a transmission gear (130), a clutch mechanism (140) and a return spring (150), wherein the first transmission piece (120), the transmission gear (130), the clutch mechanism (140) and the return spring (150) are connected to the bicycle body (110);
the bicycle body (110) comprises a handle (111), a wheel body (112) and a frame (114), wherein the handle (111) is rotatably arranged on the frame (114);
the transmission gear (130) is in transmission connection with the wheel body (112);
the upper end of the first transmission piece (120) is hinged to the handle (111) and can move along with the rotation of the handle (111), one side, facing the transmission gear (130), of the first transmission piece (120) is provided with a transmission tooth (121) used for being matched with the transmission gear (130), and the return spring (150) is connected with the first transmission piece (120) so as to apply acting force of the return spring (150) to the first transmission piece (120) to enable the first transmission piece (120) to be far away from the transmission gear (130);
the clutch mechanism (140) is in contact action with the first transmission piece (120) and is used for switching the matching state and the disengaging state of the transmission gear (121) and the transmission gear (130); the transmission gear (121) is close to the transmission gear (130) under the pressure action of the clutch mechanism (140), and when the transmission gear is matched with the transmission gear (130), the motion energy of the first transmission piece (120) drives the wheel body (112) to advance.
2. The hand-propelled front-drive clutched bicycle of claim 1, wherein: the wheel body (112) is provided with a connecting wheel (132), and the transmission gear (130) is in transmission connection with the connecting wheel (132) so as to drive the wheel body (112) to rotate.
3. The hand-propelled front-drive clutched bicycle of claim 2, wherein: the transmission gear (130) is in transmission connection with the connecting wheel (132) through a chain (133).
4. The hand-propelled front-drive clutched bicycle of claim 1, wherein: the clutch mechanism (140) comprises a rotating disc (141), a second transmission piece and a pressure rod (145), and the rotating disc (141) and the pressure rod (145) are rotatably mounted on the frame (114);
the rotating disc (141) is in transmission connection with the handle (111), the rotating periods of the rotating disc and the handle are consistent, one end of the second transmission piece is hinged to the rotating disc (141), the other end of the second transmission piece is hinged to one end of the pressing rod (145), and the other end of the pressing rod (145) abuts against the first transmission piece (120).
5. The hand-propelled front-drive clutched bicycle of claim 4, wherein: the handle (111) is provided with a circle of tooth grooves corresponding to the position of the rotating disc (141), a circle of convex teeth correspondingly matched with the tooth grooves are arranged on the periphery of the rotating disc (141), and the rotating disc (141) and the handle (111) are matched with each other through the convex teeth and the tooth grooves to realize transmission.
6. The hand-propelled front-drive clutched bicycle of claim 4, wherein: the second transmission part comprises a first transmission rod (142), an intermediate rotating part (143) and a second transmission rod (144), and the intermediate rotating part (143) is rotatably arranged on the frame (114); one end of the first transmission rod (142) is hinged with the rotating disc (141), and the other end of the first transmission rod is hinged with the middle rotating piece (143); one end of the second transmission rod (144) is hinged with the middle rotating part (143), and the other end of the second transmission rod is hinged with the pressing rod (145).
7. The hand-propelled front-drive clutched bicycle of claim 1, wherein: the bicycle is characterized in that a first mounting column (122) is arranged at the lower end of the first transmission piece (120), a second mounting column (113) is arranged on one side, away from the transmission teeth, of the bicycle body (110) of the first transmission piece (120), and two ends of the reset spring (150) are respectively hung on the first mounting column (122) and the second mounting column (113).
8. The hand-propelled front-drive clutched bicycle of claim 1, wherein: the vehicle frame further comprises a mounting frame, the mounting frame is mounted on the vehicle frame (114), and the first transmission piece (120), the transmission gear (130), the clutch mechanism (140) and the return spring (150) are mounted on the mounting frame.
9. The hand-propelled front-drive clutched bicycle of claim 8, wherein: the mounting frame is provided with a pin hole (160), and the pin hole (160) is located on one side, facing the transmission gear (130), of the first transmission piece (120) in a state that the first transmission piece (120) is separated from the transmission gear (130) and is used for mounting a bayonet pin to prevent the first transmission piece (120) from approaching the transmission gear (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885886.0U CN211391582U (en) | 2019-06-12 | 2019-06-12 | Hand-rotating front-assisting front-driving clutch bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885886.0U CN211391582U (en) | 2019-06-12 | 2019-06-12 | Hand-rotating front-assisting front-driving clutch bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211391582U true CN211391582U (en) | 2020-09-01 |
Family
ID=72225767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920885886.0U Expired - Fee Related CN211391582U (en) | 2019-06-12 | 2019-06-12 | Hand-rotating front-assisting front-driving clutch bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211391582U (en) |
-
2019
- 2019-06-12 CN CN201920885886.0U patent/CN211391582U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200901 Termination date: 20210612 |