CN210912756U - Portable bicycle auxiliary power unit - Google Patents
Portable bicycle auxiliary power unit Download PDFInfo
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- CN210912756U CN210912756U CN201820709097.7U CN201820709097U CN210912756U CN 210912756 U CN210912756 U CN 210912756U CN 201820709097 U CN201820709097 U CN 201820709097U CN 210912756 U CN210912756 U CN 210912756U
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Abstract
The utility model discloses a portable bicycle auxiliary power device, which relates to the technical field of bicycle auxiliary power devices, and comprises a power mechanism and a control mechanism, wherein the power mechanism comprises an auxiliary power device body, the auxiliary power device body is respectively provided with loop bars close to two sides, the loop bars are internally provided with telescopic links, one end of each telescopic link is provided with a fixture block, the auxiliary power device body is provided with a clamping and fixing frame, the clamping and fixing frame is provided with an electronic speed regulator and a speed reducing motor, and the speed reducing motor is provided with a soft friction wheel; the control mechanism comprises a potentiometer and a knob accelerator switch, and the knob accelerator switch is installed on the potentiometer. The utility model adopts a brand-new design, the weight of the device is not more than 2.5kg, and the carrying is convenient and labor-saving; the device is positioned at the position, close to the top, of the rear wheel of the bicycle, so that a user cannot easily touch the device, and the safety is high; the device has high stability, and the problems of magnetic flux leakage, short circuit and the like can not occur; the device is convenient to mount and dismount, and the mounting and dismounting time does not exceed 2 minutes for a common user.
Description
Technical Field
The utility model relates to a bicycle auxiliary power device technical field especially relates to a portable bicycle auxiliary power device.
Background
The existing bicycle auxiliary power devices are mainly divided into three categories of a bicycle middle motor, a front/rear hub motor and a middle shaft power-assisted motor. A motor arranged in a bicycle is an auxiliary power device which is characterized in that a speed reduction motor is arranged on a shaft where pedals are arranged, the riding speed is detected through a torque sensor, a speed sensor or a pedaling frequency sensor, and assistance is carried out according to the speed. The power-assisted modification device is mainly used for power-assisted modification of off-road bicycles such as mountain bikes, the power-assisted mode has the advantages that power transmission is fine and direct, off-road power assistance is good in experience, and a bicycle needs to be specially modified. Because booster unit is located the axle at pedal place, and is close with the passerby distance, in order to avoid hindering the people accident, motor power density is lower usually, consequently is unsuitable to use in the city commuting occasion with laborsaving durable as the main demand. The front/rear hub motor is arranged in the bicycle, and the mode has the advantages that the power transmission is direct and the technology is mature, but the whole wheel and the hub motor of the bicycle specially made need to be additionally arranged, and the front/rear hub motor can be used after the common bicycle is specially modified. The motor of the power assisting device is exposed at the center of the bicycle wheel for a long time, the problems of magnetic flux leakage, short circuit and the like easily occur, and the structure is relatively weak. The middle shaft power-assisted motor is a high-power brushless motor or a brush motor is vertically fixed right above a pedal, and a bevel gear, a chain wheel and a pedal spindle are used for driving a power-assisted mode. However, the assembly position of the device and the structure of the vehicle body frame of a part of vehicle types can interfere, and the device can only be matched with a part of vehicle types; for ordinary people with weak manual ability, the disassembly and the assembly are inconvenient. The power auxiliary devices of the three types of bicycles have different defects, and inconvenience is brought to daily use of users.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a portable bicycle auxiliary power unit for solving the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a portable bicycle auxiliary power device comprises a power mechanism and a control mechanism, wherein the power mechanism comprises an auxiliary power device body, sleeve rods are respectively arranged on two sides, close to the auxiliary power device body, of the auxiliary power device body, telescopic rods are arranged in the sleeve rods, clamping blocks are arranged at one ends of the telescopic rods, clamping grooves are formed in the clamping blocks, a clamping and fixing frame is arranged on the auxiliary power device body, an electronic speed regulator and a speed reducing motor are arranged on the clamping and fixing frame, a soft friction wheel is arranged on the speed reducing motor, and a battery cover plate in which a battery pack is placed is arranged on the; the control mechanism comprises a potentiometer and a knob accelerator switch, the knob accelerator switch is mounted on the potentiometer, and the knob accelerator switch is connected with the electronic speed regulator through a cable.
Preferably, the clamping groove is semicircular or U-shaped.
Preferably, the side surface of the loop bar is provided with an adjusting bolt.
Preferably, the two holding clamp fixing frames are symmetrically distributed.
Preferably, a torsion spring for assisting the holding and clamping fixing frame to fix is arranged inside the holding and clamping fixing frame.
Preferably, the soft friction wheel is made of a foamed rubber material.
Preferably, the battery pack in the battery cover plate is a power lithium battery.
When the bicycle is in operation, a user sends a signal to the electronic speed regulator by twisting a knob accelerator switch on a potentiometer, the electronic speed regulator linearly controls the two speed reducing motors to rotate, the speed reducing motors consist of brush motors and planetary speed reducers, the brush motors drive the two soft friction wheels to rotate through the planetary speed reducing mechanisms, the rotating soft friction wheels are tightly attached to the surface of a tire of a rear wheel of the bicycle, and the rear wheel of the bicycle is driven to rotate through friction to assist the bicycle to move forwards.
The beneficial effects of the utility model reside in that: the utility model adopts a brand-new design, the weight of the device is not more than 2.5kg, and the carrying is convenient and labor-saving; the device is positioned at the position, close to the top, of the rear wheel of the bicycle, so that a user cannot easily touch the device, and the safety is high; the device has high stability, and the problems of magnetic flux leakage, short circuit and the like can not occur; the device can drive the whole bicycle independently, can also be operated in combination with manpower, can be used for boosting running of most of the existing bicycles, particularly shared bicycles, and has strong universality; the device is convenient to mount and dismount, and the mounting and dismounting time does not exceed 2 minutes for common users; and the device is convenient to maintain, and use cost is lower, is fit for masses and uses widely.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a schematic view of the installation of the present invention;
fig. 4 is a schematic view of the working principle of the present invention.
Wherein: 1. a card slot; 2. a clamping block; 3. a telescopic rod; 4. a loop bar; 5. adjusting the bolt; 6. an auxiliary power unit body; 7. an electronic governor; 8. a reduction motor; 9. a soft friction wheel; 10. a holding clamp fixing frame; 11. a battery cover plate; 12. a cable; 13. a potentiometer; 14. a knob throttle switch; 15. a bicycle; 16. a rear fender; 17. a rear wheel tire; 18. a seat support bar.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 2, the present invention includes a power mechanism and a control mechanism. Power unit includes auxiliary power device body 6, and auxiliary power device body 6 is close to both sides and is equipped with loop bar 4 respectively, and the side of loop bar 4 is equipped with adjusting bolt 5, is equipped with telescopic link 3 in the loop bar 4, and 3 one ends of telescopic link are equipped with fixture block 2, and adjusting bolt 5 helps 3 mechanical locks of telescopic link, prevents the slippage. The clamping block 2 is provided with a clamping groove 1, the clamping groove 1 is semicircular or U-shaped, and the clamping groove 1 is semicircular in the embodiment. The auxiliary power device body 6 is provided with two holding clamp fixing frames 10, and the two holding clamp fixing frames 10 are symmetrically distributed. The holding clamp fixing frame 10 is provided with an electronic speed regulator 7 and a speed reducing motor 8, and the speed reducing motor 8 is provided with a soft friction wheel 9. The soft friction wheel 9 in this embodiment is made of a foamed rubber material. The torque spring for assisting the holding and fixing frame is arranged in the holding and fixing frame 10, and the elastic force of the torque spring can ensure that the soft friction wheel is tightly attached to the outer surface of the tire of the rear wheel of the bicycle, so that the rear wheel of the bicycle can be driven to rotate when the soft friction wheel rotates. The auxiliary power device body 6 is provided with a battery cover plate 11 for placing a battery pack inside, and the battery pack in the battery cover plate 11 adopts a power lithium battery. The control mechanism comprises a potentiometer 13 and a knob accelerator switch 14, the knob accelerator switch 14 is installed on the potentiometer 13, and the knob accelerator switch 14 is connected with the electronic speed regulator 7 through a cable 12. A rebound device is arranged in the knob accelerator switch 14, and after a user loosens the knob accelerator switch, the switch can automatically rebound to stop driving the speed reduction motor.
As shown in figure 3, a control mechanism consisting of a potentiometer 13 and a rotary throttle switch 14 is arranged on a handlebar of a bicycle 15, the rotary throttle switch 14 is connected with an electronic speed regulator 7 through a cable 12, a telescopic rod 3 drives a clamping block 2 to extend and clamp on a seat supporting rod 18, an adjusting bolt 5 is locked, a soft friction wheel 9 on a clamping and fixing frame 10 is clamped and tightly attached to the surface of a rear wheel tire 17 of the bicycle, and therefore the whole device can be tightly supported between the seat supporting rod 18 and a rear mudguard 16 of the bicycle to form a firm structure for fixing the device on the bicycle.
As shown in fig. 4, when the bicycle is in operation, a user sends a signal to the electronic speed regulator by twisting a knob accelerator switch on a potentiometer, and the electronic speed regulator linearly controls the rotation of two speed reducing motors, wherein each speed reducing motor consists of a brush motor and a planetary speed reducer, the brush motor drives two soft friction wheels to rotate through a planetary speed reducing mechanism, the rotating soft friction wheels cling to the surface of a tire of a rear wheel of the bicycle, and the rear wheel of the bicycle is driven to rotate through friction to assist the bicycle to move forwards. Whole device is supplied power to it by a lithium cell group, and lithium cell group is located the inside of auxiliary power device body.
In the embodiment, two 16V RS775 direct-current brush motors are adopted as the motors, a 1:1042mm planetary reducer is adopted as a speed reducing mechanism, two 60A brush motor electronic speed regulators are used for driving the direct-current brush motors to work, and a battery pack adopts a power lithium battery with the driving voltage of 12V and the capacity of 5000 mAh.
The utility model discloses device weight is less, can hand-carry, installation or dismantlement that can be quick, moreover can with most bicycles, especially can with sharing bicycle adaptation, convenience of customers' daily use.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereby. Those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention. The scope of the invention is defined by the claims and their equivalents.
Claims (5)
1. A portable bicycle auxiliary power unit which characterized in that: the auxiliary power device comprises an auxiliary power device body, sleeve rods are respectively arranged on two sides, close to the auxiliary power device body, of the auxiliary power device body, telescopic rods are arranged in the sleeve rods, a clamping block is arranged at one end of each telescopic rod, a clamping groove is formed in each clamping block, a clamping and fixing frame is arranged on the auxiliary power device body, an electronic speed regulator and a speed reducing motor are arranged on each clamping and fixing frame, a soft friction wheel is arranged on each speed reducing motor, and a battery cover plate for placing a battery pack inside is arranged on the auxiliary power device body; the control mechanism comprises a potentiometer and a knob throttle switch, the knob throttle switch is mounted on the potentiometer and connected with the electronic speed regulator through a cable, an adjusting bolt is arranged on the side face of the loop bar, and a battery pack in the battery cover plate adopts a power lithium battery.
2. A portable bicycle auxiliary power unit as defined in claim 1, wherein: the clamping groove is semicircular or U-shaped.
3. A portable bicycle auxiliary power unit as defined in claim 1, wherein: the holding clamp fixing frames are symmetrically distributed.
4. A portable bicycle auxiliary power unit as defined in claim 1, wherein: and a torsion spring for assisting the holding and fixing frame to fix is arranged in the holding and fixing frame.
5. A portable bicycle auxiliary power unit as defined in claim 1, wherein: the soft friction wheel is made of a foamed rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709097.7U CN210912756U (en) | 2018-05-14 | 2018-05-14 | Portable bicycle auxiliary power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709097.7U CN210912756U (en) | 2018-05-14 | 2018-05-14 | Portable bicycle auxiliary power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210912756U true CN210912756U (en) | 2020-07-03 |
Family
ID=71351092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820709097.7U Active CN210912756U (en) | 2018-05-14 | 2018-05-14 | Portable bicycle auxiliary power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210912756U (en) |
-
2018
- 2018-05-14 CN CN201820709097.7U patent/CN210912756U/en active Active
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