CN215553896U

CN215553896U - Adjustable brake handle of electric two-wheeled prowl car

Info

Publication number: CN215553896U
Application number: CN202121344161.4U
Authority: CN
Inventors: 吴勇; 吴凤玲; 吴凤珍
Original assignee: Suzhou Huate Electric Vehicle Technology Co ltd
Current assignee: Suzhou Huate Electric Vehicle Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-18
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses an adjustable brake handle of an electric two-wheeled patrol car, which aims at the problems that the existing brake can only be adjusted through a gear marked on a gear disc when the moment is adjusted, the adjusting range is smaller and the like, and provides the following technical scheme, wherein the adjustable brake handle comprises a handlebar, a fixed base connected with the handlebar and a brake lever arranged on the fixed base, the brake lever is connected with a brake cable, the brake lever is rotatably connected with a fixed shaft, a ratchet wheel is fixedly connected on the fixed shaft, the brake cable is fixedly connected with the fixed shaft in a winding way along the direction opposite to the wheel tooth direction, the brake lever is movably connected with a pawl meshed with the ratchet wheel, and a shifting assembly for driving the pawl to be separated from the ratchet wheel is further arranged on the brake lever; can accomplish the accurate regulation of required brake moment through above-mentioned scheme, and have self-locking function, more be fit for the user and use.

Description

Adjustable brake handle of electric two-wheeled prowl car

Technical Field

The utility model relates to the field of electric vehicle braking, in particular to an adjustable brake handle of an electric two-wheeled patrol vehicle.

Background

The brake handle is an important part of the electric vehicle and is used for reducing the speed of the electric vehicle; in the driving process of the electric vehicle, a driver usually adopts a mode of engaging a brake handle to adjust the speed of the electric vehicle in real time in order to deal with different road conditions, so that the size of the important part is matched with the palm of the driver, and the function is stable.

At present, the variable force brake handle of selling on the market, including brake lever, brake lever seat, the brake lever passes through the axis of rotation and is connected with brake lever seat, installs the gear dish on the brake lever seat, installs the regulation cam on the brake lever, and the regulation cam is used for adjusting the distance between brake lever and the brake lever seat, and the gear dish marks the gear of adjusting the cam, adjusts the arm of force length of brake lever through above-mentioned mode, and then changes brake moment.

Although the variable-force brake handle has the advantage of changing the braking torque, the variable-force brake handle can only be adjusted through the gears marked on the gear disc, and the range of the provided adjusting torque is small.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the adjustable brake handle of the electric two-wheel patrol car, which has the advantages of multi-gear adjustment of brake moment and large range of adjustment moment.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an adjustable brake lever of electronic two-wheeled patrol car, includes the handlebar, connects in the unable adjustment base of handlebar and installs in unable adjustment base's brake lever, the brake lever is connected with the brake cable, rotate on the brake lever and connect the fixed axle, fixed connection ratchet on the fixed axle, the brake cable is along contrary teeth of a cogwheel direction winding fixed connection in fixed axle, brake lever swing joint and ratchet engaged's pawl, still be provided with the subassembly of stirring that drives pawl and ratchet and break away from on the brake lever.

By adopting the technical scheme, the brake cable is connected with the fixed shaft provided with the ratchet wheel, and is locked relative to the fixed shaft through the engagement of the ratchet wheel and the pawl, so that the stable distance between the brake cable and the fixed base is ensured, the fixed shaft rotates along the direction opposite to the direction of the gear teeth to drive the brake cable to be screwed, and the distance between the brake cable and the fixed base is reduced; the ratchet drives the brake cable to release by operating the toggle assembly to drive the pawl to be separated from the gear teeth of the ratchet, and the distance between the brake cable and the fixed base is increased; adjust out different brake line length through above-mentioned structure to change brake moment and provide more gears and make the moment of adjusting out more accurate, make the regulation more stable through ratchet's auto-lock nature simultaneously.

Further, the brake crank is rotatably connected with the pawl.

By adopting the technical scheme, the movable range of the pawl is small, and the resetting action can be completed more easily by convenient control.

Furthermore, the poking assembly comprises a poking piece fixed on the pawl and an adjusting spring fixed on the brake crank, and one end of the adjusting spring, which is far away from the brake crank, is fixed at a position, back to the ratchet wheel, of the pawl.

By adopting the technical scheme, the operation poking piece drives the pawl to be separated from the gear teeth of the ratchet wheel, after the operation is finished, the pawl is restored to be in a meshed state with the gear teeth of the ratchet wheel under the action of the elastic force of the adjusting spring, and the operation is convenient and fast and stable in structure.

Furthermore, the brake lever is provided with a sliding groove for extending the shifting piece.

By adopting the technical scheme, the extending shifting piece drives the pawl to adjust the brake cable, the sliding track of the shifting piece is limited, the contact area of the shifting piece is increased, so that the operation of adjusting the pawl is more convenient, and the damage of the shifting piece caused by misoperation is prevented.

Furthermore, a rotating disc is further installed on the fixed shaft.

By adopting the technical scheme, the contact area of the fixed shaft is increased through the installed rotating disc, and the operation difficulty of a user is reduced.

Further, unable adjustment base and middle base sliding connection, the brake crank articulates on middle base, unable adjustment base passes through the mobilizable threaded rod of threaded connection, the threaded rod rotates with middle base to be connected, unable adjustment base installs the friction runner with threaded rod threaded connection.

Adopt above-mentioned technical scheme, the threaded rod passes through threaded connection on unable adjustment base, and the friction runner drives the threaded rod and removes, drives the middle base of being connected with the threaded rod, and middle base passes through the hinge and is connected with the brake lever, and then changes the distance between unable adjustment base and the brake lever.

Furthermore, a plurality of locating grooves are formed in the friction rotating wheel along the circumferential direction, the fixed base is rotatably connected with a locking plug inserted into the locating grooves, and the fixed base is provided with a locking device for driving the locking plug to be pulled out of the locating grooves.

By adopting the technical scheme, the positioning groove of the friction rotating wheel is locked by the friction rotating wheel when being inserted by the locking plug, so that the parts connected with the friction rotating wheel are all locked, the locking device drives the locking plug to draw out of the positioning groove, the friction rotating wheel is released, and then the friction rotating wheel drives the parts to move, so that the control stability of the mechanism is improved.

Furthermore, the locking device comprises a locking slide block fixed on the locking plug and a locking spring connected to the fixed base, and the locking spring is far away from the fixed base and fixed on the locking plug back to the positioning groove.

By adopting the technical scheme, the operation locking slide block drives the locking plug to be drawn out of the positioning groove, after the operation is completed, the locking plug is reset by utilizing the elastic force of the locking spring, the friction rotating wheel is locked again, and the self-locking function is provided, so that the operation is more convenient.

In conclusion, the utility model has the following beneficial effects:

1. the ratchet mechanism controls the tightening or releasing of the brake cable, so that the adjustment of the brake torque is more accurate, and the operation difficulty of adjusting the brake torque is reduced;

2. the distance between the brake crank and the fixed base is changed through the rotation of the threaded rod, so that the brake crank is convenient for a driver to use;

3. each adjusting mode has a locking function, can be manually controlled and has a reliable structure.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a sectional view of the brake lever of the present embodiment;

FIG. 3 is a schematic structural diagram of the fixing shaft of the present embodiment;

FIG. 4 is a schematic structural diagram of the brake lever of the present embodiment;

FIG. 5 is a partial cross-sectional view of the middle base and the fixing base of the present embodiment;

FIG. 6 is a sectional view of the middle base and the fixing base;

fig. 7 is a partial sectional view of the fixing base of the present embodiment.

In the figure: 1. a brake lever; 11. the inner cavity of the brake crank; 12. a fixed shaft; 13. a ratchet wheel; 121. a limiting disc; 122. rotating the disc; 14. the component is stirred; 141. a pawl; 142. a rotating shaft; 143. adjusting the shifting block; 144. adjusting the spring; 15. a hinge hole; 16. a ratchet shaft hole; 17. an adjustment groove; 2. a middle base; 21. connecting the cavity; 22. a pin shaft; 23. a sliding end; 24. a slide bar; 3. a fixed base; 31. the inner cavity of the base; 32. a friction rotating wheel; 321. a threaded adjustment member; 322. positioning a groove; 33. a threaded rod; 34. connecting blocks; 35. a sliding groove; 36. a locking device; 361. locking the slide block; 362. a locking plug; 363. a locking shaft; 364. an adjustment groove; 37. A locking spring; 38. a bump; 4. a handlebar; 5. a brake cable.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1, an adjustable brake lever of an electric two-wheeled patrol car comprises a handlebar 4 and a fixed base 3 mounted on the handlebar 4, the fixed base 3 is connected with a middle base 2 in a sliding manner, the middle base 2 is connected with a brake lever 1, and the brake lever 1 is connected with a brake cable 5.

Referring to fig. 2 and 3, the brake lever 1 is provided with a rectangular brake lever inner cavity 11, a ratchet shaft hole 16 is provided at a position close to the center of the brake lever 1, a rotatable fixed shaft 12 is installed in the ratchet shaft hole 16, a brake cable 5 is wound on the fixed shaft 12 in a reverse direction to the direction of the wheel teeth, the brake cable 5 extends out of the brake lever 1 through a hole provided in the brake lever inner cavity 11, a ratchet 13 is axially installed on the fixed shaft 12, the ratchet 13 is close to the inner wall of the brake lever inner cavity 11, a pawl 141 is engaged with the wheel teeth of the ratchet 13, the pawl 141 is rotatably connected with the brake lever 1 through a rotating shaft 142 fixed on the brake lever 1, the rotating shaft 142 is fixed at a position far away from the ratchet 13 and close to the inner wall of the brake lever inner cavity 11, the toggle assembly 14 comprises an adjusting toggle block 143 fixed at a position far away from the ratchet 13 of the pawl 141 and an adjusting spring 144 fixedly installed at a position far away from the wheel teeth of the pawl 141, and one end of the adjusting spring 144 is fixedly connected with the brake lever inner cavity 11, the adjusting shifting block 143 extends out of the inner cavity 11 of the brake lever, the brake lever 1 is provided with an adjusting groove 17 for sliding the extending part of the adjusting shifting block 143, and the brake lever 1 is connected with the pin 22 by being provided with a hinge hole 15.

Referring to fig. 3 and 4, a rotating disc 122 is axially mounted on one end of the fixed shaft 12 extending out of the ratchet shaft hole 16 and away from the ratchet wheel 13, a limiting disc 121 is axially mounted on the fixed shaft 12 between the ratchet wheel 13 and the rotating disc 122, and the brake cable 5 is fixedly connected with the fixed shaft 12 between the ratchet wheel 13 and the limiting disc 121.

Referring to fig. 5, the fixed base 3 is slidably connected to the middle base 2 and slides along the direction perpendicular to the fixed base 3, the portion of the middle base 2 inserted into the fixed base 3 is a sliding end 23, the sliding end 23 is symmetrically provided with sliding strips 24 along the direction perpendicular to the fixed base 3, the sliding strips 24 are located in sliding grooves 35 formed in the fixed base 3, a hole through which the brake cable 5 passes is reserved on the sliding end 24, and the brake cable 5 is connected to the outside through the hole.

Referring to fig. 6 and 7, the fixed base 3 is provided with a base inner cavity 31, the middle base 2 is connected with the connecting block 34 through the provided connecting cavity 21, the connecting cavity 21 and the connecting block 34 are both cylinders, and the size of the former is larger than that of the latter, so that the connecting block 34 can rotate in the connecting cavity 21; the connecting block 34 is fixed at one end of the threaded rod 33 far away from the fixed base 3, the fixed base 3 is in threaded connection with the threaded rod 33, the threaded rod 33 is connected with the threaded adjusting part 321 through threads, the threaded adjusting part 321 is concentrically and fixedly installed inside the friction rotating wheel 32, the friction rotating wheel 32 is installed in an adjusting window which is located in the inner cavity of the base and close to the center and can only rotate along the circumferential direction, the size of the adjusting window is larger than that of the friction rotating wheel 32, a plurality of positioning grooves 322 are concentrically arranged on the surface of the friction rotating wheel 32 far away from the middle base 2 along the circumferential direction, the locking plug 362 is inserted into the positioning grooves 32 to limit the rotation of the friction rotating wheel 32, and the locking plug 362 is rotatably connected with the fixed base 3 through a locking shaft 363;

the locking device 36 comprises a locking slider 361 fixed at one end of the locking plug 362 far away from the friction rotating wheel 32, and a locking spring 37 mounted on the locking plug 362 back to the friction rotating wheel 32, the locking slider 361 is located outside the base cavity 31, the fixed base 3 is provided with an adjusting groove 364 for moving the protruding part of the locking slider 361, and one end of the locking spring 37 far away from the locking plug 362 is fixedly connected with a lug 38 in the base cavity 31.

The working process and principle of the embodiment are as follows:

the user drives the fixed shaft 12 to tighten the brake cable 5 by adjusting the rotating disc 122, the length of the brake cable 5 relative to the fixed base 3 is reduced, the adjusting shifting block 143 is operated to drive the pawl 141 to be separated from the gear teeth of the ratchet wheel 13, the brake cable 5 is released, the length of the brake cable 5 relative to the fixed base 3 is increased, after the operation is finished, the pawl 141 is reset by the elasticity of the adjusting spring 144, the locking sliding block 361 is slid to drive the locking plug 361 to leave the positioning groove 322, so as to release the friction rotating wheel 32, the friction rotating wheel 32 is slid to rotate along the circumferential direction, the threaded rod 33 is driven to move up and down relative to the fixed base 3 by the built-in threaded adjusting part 321, the threaded rod 33 is installed on the connecting base 2, the connecting base 2 is connected with the brake lever 1 through the pin 22, the distance between the brake lever 1 and the fixed base 3 is changed, after the operation is finished, the locking plug 361 is reset by the elasticity of the locking spring 37, the user can adjust the ideal distance between the brake crank 1 and the fixed base 3 through the above mode, and adjust the proper braking torque by changing the length of the brake cable 5 relative to the fixed base 3.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and the technical solutions under the idea of the present invention are described in the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an adjustable brake lever of electronic two-wheeled patrol car, includes handlebar (4), connects in unable adjustment base (3) of handlebar (4) and installs in brake lever (1) of unable adjustment base (3), brake lever (1) is connected with brake cable (5), its characterized in that, rotate on brake lever (1) and connect fixed axle (12), fixed connection ratchet (13) are gone up in fixed axle (12), brake cable (5) are along contrary teeth of a cogwheel direction winding fixed connection in fixed axle (12), pawl (141) of brake lever (1) swing joint and ratchet (13) meshing, still be provided with on brake lever (1) and drive pawl (141) and ratchet (13) the subassembly (14) of stirring that breaks away from.

2. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 1, wherein: the brake crank (1) is rotatably connected with a pawl (141).

3. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 1, wherein: the toggle assembly (14) comprises a toggle piece (143) fixed on the pawl (141) and an adjusting spring (144) fixed on the brake crank (1), wherein one end, far away from the brake crank (1), of the adjusting spring (144) is fixed at a position, back to the ratchet (13), of the pawl (141).

4. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 3, wherein: the brake lever (1) is provided with a sliding groove (17) for extending the toggle piece (143).

5. The adjustable brake handle of an electric two-wheeled patrol vehicle according to any one of claims 1 to 3, wherein: the brake cable is characterized in that a limiting disc (121) is further mounted on the fixing shaft (12), and the brake cable (5) is fixed on the fixing shaft (12) between the limiting disc (121) and the ratchet wheel (13).

6. The adjustable brake handle of an electric two-wheeled patrol vehicle according to any one of claims 1 to 3, wherein: the fixed shaft (12) is also provided with a rotating disc (122).

7. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 1, wherein: unable adjustment base (3) and middle base (2) sliding connection, brake lever (1) articulates on middle base (2), unable adjustment base (3) are through mobilizable threaded rod (33) of threaded connection, threaded rod (33) are rotated with middle base (2) and are connected, unable adjustment base (3) are installed and are rotated runner (32) with threaded rod (33) threaded connection's friction.

8. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 7, wherein: a plurality of locating grooves (322) are formed in the friction rotating wheel (32) along the circumferential direction, a locking plug (362) inserted into the locating grooves (322) is connected to the fixed base (3) in a rotating mode, and a locking device (36) for driving the locking plug (362) to be pulled out of the locating grooves (322) is installed on the fixed base (3).

9. The adjustable brake handle of the electric two-wheeled patrol vehicle as claimed in claim 8, wherein: the locking device (36) comprises a locking slide block (361) fixed on the locking plug (362) and a locking spring (37) connected to the fixed base (3), and the locking spring (37) is far away from the fixed base (3) and fixed on the locking plug (362) back to the positioning groove (322).