CN214690013U

CN214690013U - Hydraulic brake device for electric vehicle

Info

Publication number: CN214690013U
Application number: CN202120666922.1U
Authority: CN
Inventors: 牛永昌
Original assignee: Taizhou Woqu Automobile Co ltd
Current assignee: Taizhou Woqu Automobile Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-12
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a hydraulic brake device for electric motor car, including the base and peg graft in the oil pipe of base, the base includes the fixed part and rotates to be connected in the rotation portion of fixed part, the chamber of sliding has been seted up on the fixed part, it connects in the sliding block in the chamber of sliding to be provided with to slide on the inner wall of rotation portion, it is provided with spring one to slide between a side end face in chamber and the sliding block, oil pipe runs through the lateral wall of fixed part and communicates in the chamber of sliding, oil pipe's terminal surface department has seted up the mounting groove, the mounting groove internal slipping is connected with the piston, be provided with spring two between the groove terminal surface of piston and mounting groove, it is connected with the ejector pad to slide in the mounting groove, the piston is located between ejector pad and the spring two, the ejector pad protrusion is in the notch of mounting groove. When the vehicle needs to brake, the user can rotate the rotating part, so that the sliding block pushes the push block and drives the piston to extrude the second spring to push the hydraulic oil in the oil pipe to the inside of the brake caliper, and the brake caliper can be closed to brake the vehicle, so that the use effect of braking is achieved.

Description

Hydraulic brake device for electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to a hydraulic brake device for electric motor car.

Background

At present, chinese patent with publication number CN206598948U discloses an oil pressure brake handle set, which comprises a handle seat and a base rotatably connected inside the handle seat, wherein a brake handle is arranged on the base, a main oil groove is arranged in the base, a piston is connected in the main oil groove in a sliding manner, and a flow passage communicated with the main oil groove is further arranged on the base. During the use, generally can be equipped with the oil pipe of hydraulic oil in the interpolation of runner, the other end of oil pipe is provided with the brake caliper who is used for carrying out the braking to the wheel, and when the vehicle needs the brake, the user need press the brake handle and make the base promote the piston and move towards runner one side, so can push brake caliper in with the hydraulic oil in the oil pipe to order about brake caliper closure and wheel and take place the contact friction, realize the brake function of oil pressure brake handle group from this. However, during the riding process, the user needs to hold the handlebar to control the advancing direction of the vehicle, and a space for the brake lever to move is reserved between the brake lever and the handlebar, so that when the vehicle needs to be braked, the user needs to reach and press the brake lever with the hand to control the braking of the vehicle, however, the hand of some users is small, and the user needs to reach the brake lever with the hand with great effort, so that the vehicle can not be braked in time.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a hydraulic brake device for electric motor car, it has the user and controls the vehicle brake more convenient, more comfortable, is difficult for appearing the advantage of the condition that the vehicle can't in time brake.

In order to solve the technical problem, the technical scheme of the utility model is that: a hydraulic brake device for an electric vehicle comprises a base sleeved on a handlebar and an oil pipe inserted in the base and communicated with brake calipers, wherein the base comprises a fixed part and a rotating part rotatably connected with the fixed part, a sliding cavity is formed in the fixed part, a sliding block is arranged on the inner wall of the rotating part and is slidably connected with the sliding cavity, a first spring is arranged between one side end surface of the sliding cavity and the sliding block and used for pushing the sliding block to move towards one side away from the first spring, the oil pipe penetrates through the side wall of the fixed part and is communicated with the sliding cavity, a mounting groove is formed in the end surface of the oil pipe, a piston is slidably connected in the mounting groove, a second spring is arranged between the piston and the groove end surface of the mounting groove, and the second spring pushes the piston towards one side of the sliding cavity, still slide in the mounting groove and be connected with the ejector pad, the piston is located the ejector pad with between the spring two, the ejector pad protrusion in the notch of mounting groove, the sliding block can promote the ejector pad toward two one side removals of spring.

Through above-mentioned technical scheme, when the vehicle needs the brake, the rotatable cover of user establishes the rotation portion in the base on the handlebar for sliding block extrusion spring removes towards oil pipe one side, at this in-process, the sliding block can extrude and promote the ejector pad, make the ejector pad drive piston extrusion spring two and push the brake caliper to inside with the hydraulic oil in the oil pipe, so can drive the brake caliper closure inconsistent with pivoted wheel, the vehicle can take place to slow down under the effect of frictional force, reach the result of use of brake from this. When the vehicle decelerates to a proper speed, a user can loosen the rotating part, the sliding block drives the rotating part to return to an initial state under the elastic action of the first spring, at the moment, the piston pushes the pushing block out of the notch of the mounting groove under the elastic action of the second spring, meanwhile, hydraulic oil can flow backwards, the brake caliper is opened, and therefore the vehicle can carry out normal speed acceleration. More than, when the user brakies the vehicle, will convert the extrusion to the brake handle to the rotation of rotation portion, need not the user and go enough brake handles with the hand, so user control vehicle brake is more convenient, more comfortable, more difficult the condition that the user can't not enough brake handle with the hand and cause the unable in time brake of vehicle to appear.

Preferably, establish the outage ware with the driving motor electricity of electric motor car on the handlebar including the cover, still be provided with metal contact one on the inner wall of rotation portion, the sliding chamber has still been seted up on the fixed part, metal contact one slide connect in the sliding chamber, the terminal surface department in sliding chamber is provided with metal contact two, the sliding block extrusion when spring one, metal contact one with metal contact two is contradicted, this moment the outage ware circular telegram, the in-wheel motor outage of electric motor car.

Through above-mentioned technical scheme, when the user rotates rotation portion when controlling the vehicle and slowing down, set up metal contact on rotation portion inside wall for a moment and set up the two emergence contacts of metal contact in slip chamber terminal surface department, when metal contact one and metal contact two contact, the outage ware of cover on the handlebar can be circular telegram, and the wheel hub motor of electric motor car can cut off the power supply stall, so can make the vehicle lose power, further can prevent the vehicle at the in-process that slows down, user's maloperation from appearing makes the driving motor of electric motor car accelerate, cause the braking effect of vehicle poor, the condition that even can't slow down.

Preferably, the sliding block is provided with a first guide inclined plane at the side wall close to the oil pipe, and the cross-sectional area of the sliding block gradually decreases towards one side of the spring.

Through the technical scheme, be close to the in-process that oil pipe one side removed at sliding block extrusion spring one, the direction inclined plane contacts and extrudes the ejector pad for a moment, make ejector pad promote piston extrusion spring two with hydraulic oil push brake caliper inside, and direction inclined plane one sets up to the inclined plane that the inclination is comparatively mild, so make sliding block extrusion ejector pad and drive piston extrusion spring two the power become comparatively mild, further make inside the comparatively slow push brake caliper of hydraulic oil, brake caliper presents one to the clamp force of wheel this moment and has little to big process, realize slowly stopping of vehicle from this, the difficult condition that the sudden braking user of vehicle falls down because of inertia appears.

Preferably, the end surface of the push block arranged in the sliding cavity is provided with a second guide inclined plane matched with the first guide inclined plane.

Through above-mentioned technical scheme, promote and order about the in-process of ejector pad extrusion piston at the sliding block, because be provided with the direction inclined plane two that agrees with mutually with direction inclined plane one on the terminal surface of ejector pad for the cooperation between sliding block and the ejector pad becomes more smooth, the dynamics of control vehicle brake that so the user can be better, hydraulic brake device's practicality can improve with the use comfort.

Preferably, a grip plate is provided on an outer wall of the rotating portion.

Through above-mentioned technical scheme, the user need not to hold the rotation that the rotation portion was controlled to the rotation portion with the hand, and the accessible is pulled and is held the rotation that the board controlled the rotation portion, so operate the rotation portion and rotate more laborsavingly, when the vehicle needs slow down, the vehicle can obtain timely braking, hydraulic brake device's ease for use and high reliability can improve.

Preferably, the fixed part with the lateral wall department that oil pipe is relative seted up communicate in the mounting hole in the chamber that slides, slide in the mounting hole and be connected with the emergency brake axle, the inner wall department of mounting hole seted up communicate in the inner wall constant head tank of fixed part, the tip lateral wall department of emergency brake axle is provided with the flange, the flange with be provided with spring three between the constant head tank, spring three be used for with the flange is pulled in inside the constant head tank.

Through above-mentioned technical scheme, when the vehicle needs emergency braking, the user can press the emergency brake axle of connection in base lateral wall department of sliding for emergency brake axle is inconsistent with the ejector pad, and orders about ejector pad extrusion piston with the intraductal hydraulic oil of oil push brake calliper inside, because this moment hydraulic oil be comparatively quick push brake calliper inside, so brake calliper can directly be closed and be formed with a great clamp force to the wheel, realize the emergency braking of vehicle from this. When the road surface condition is urgent, the emergency brake of the vehicle can be used for avoiding danger in an urgent way, and the reliability of the hydraulic brake device is improved.

Preferably, the sliding tray has been seted up in the lateral wall department of mounting hole, the lateral wall department of emergency brake axle is provided with the latch segment, the latch segment slide connect in the sliding tray, the locking groove has been seted up in the lateral wall department of sliding tray, works as the latch segment with the locking groove is relative, rotates the emergency brake axle makes the latch segment card is gone into the locking groove.

Through above-mentioned technical scheme, when the latch segment card was gone into the locking groove, the slip of emergency brake axle in the mounting hole was restricted, can prevent from appearing the user at the in-process that the vehicle normally ridden from this, the maloperation emergency brake axle and lead to the condition that the vehicle emergency was stopped, hydraulic brake device's reliability can improve.

Preferably, the surface of the grip plate is provided with a non-slip block.

Through above-mentioned technical scheme, the non slipping spur multiplicable friction of grabbing between board and the user for the user can be better through pressing to grab the rotation that the board controlled the rotation portion of grabbing, the difficult condition that skids and lead to the unable timely braking of vehicle that appears, has improved hydraulic brake device's practicality and reliability from this.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic sectional structural view of the embodiment;

FIG. 3 is a schematic cross-sectional view of the oil pipe structure;

fig. 4 is a schematic view of the structure of the rotating part.

Reference numerals: 1. a base; 2. an oil pipe; 3. a fixed part; 4. a rotating part; 5. a sliding cavity; 6. a slider; 7. a first spring; 8. mounting grooves; 9. a piston; 10. a second spring; 11. a push block; 12. an electrical disconnect; 13. a first metal contact piece; 14. a second metal contact piece; 15. a first guide inclined plane; 16. a second guide inclined plane; 17. a grip plate; 18. mounting holes; 19. an emergency brake shaft; 20. a flange; 21. a third spring; 22. a sliding groove; 23. a locking block; 24. a locking groove; 25. anti-skid blocks; 26. positioning a groove; 27. a sliding cavity.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in fig. 1, a hydraulic brake device for an electric vehicle includes a base 1 sleeved on a handlebar and an oil pipe 2 inserted in the base 1 and communicated with a brake caliper.

As shown in fig. 2, 3, and 4, the base 1 includes a fixing portion 3 sleeved on the handlebar and a rotating portion 4 rotatably connected to the fixing portion 3, a sliding cavity 5 is formed on the fixing portion 3, a sliding block 6 is disposed on an inner wall of the rotating portion 4, the sliding block 6 and the rotating portion 4 are integrally formed, the sliding block 6 is slidably connected to the inside of the sliding cavity 5, the rotating portion 4 is rotated to enable the sliding block 6 to slide in the sliding cavity 5, a gripping plate 17 is disposed on an outer wall of the sliding portion, the gripping plate 17 and the rotating portion 4 are integrally formed, and an anti-slip block 25 is disposed on a surface of the gripping plate 17. The oil pipe 2 penetrates through the side wall of the fixing part 3 and is communicated with the sliding cavity 5, a first spring 7 is arranged at the end face, far away from one side of the oil pipe 2, in the sliding cavity 5, the end part of the first spring 7 is abutted to the sliding block 6, the sliding block 6 is acted with elastic force for abutting the sliding block 6 against the end face of the other side of the sliding cavity 5, a first guide inclined plane 15 is arranged on the side wall, close to one side of the oil pipe 2, of the sliding block 6, and the cross sectional area of the sliding block 6 is gradually reduced towards one side of the first spring 7.

Hydraulic oil is equipped with in oil pipe 2, when hydraulic oil in oil pipe 2 pushed brake caliper, brake caliper can be closed and the wheel takes place the contact, realize hydraulic means's brake function from this, and oil pipe 2's terminal surface department has seted up mounting groove 8, be provided with spring 7 on mounting groove 8's the terminal surface, the tip of spring 7 is provided with piston 9, spring 7 is used for pushing away piston 9 from the elasticity of the groove terminal surface of mounting groove 8, piston 9 extrudees spring 7 and can push into brake caliper inside with hydraulic oil near the in-process of the groove terminal surface of mounting groove 8, mounting groove 8 deviates from piston 9 one side and still slides and is connected with ejector pad 11, ejector pad 11 protrusion is inside the notch of mounting groove 8 and place in chamber 5 that slides, and ejector pad 11 is provided with the direction inclined plane two 16 that agree with direction inclined plane 15 mutually on the terminal surface of chamber 5 that slides in arranging.

Still be provided with metal contact 13 on the inside wall of rotation portion 4, and sliding chamber 27 has still been seted up on fixed part 3, be provided with on the outside wall of rotation portion 4 and communicate in the opening in sliding chamber 27, inside metal contact 13 slided and connects in sliding chamber 27, is provided with metal contact two 14 on the terminal surface in sliding chamber 27, when sliding block 6 extrusion spring 7 removed towards oil pipe 2 one side, metal contact 13 can contact with metal contact two 14. The handlebar is further sleeved with an interrupter 12 which is electrically connected with a controller of the electric vehicle, when the first metal contact piece 13 is in contact with the second metal contact piece 14, the interrupter 12 is powered on, and the controller of the electric vehicle can cut off the output of electric quantity to control the hub motor of the electric vehicle to stop rotating.

The fixing portion 3 is provided with a mounting hole 18 communicated with the sliding cavity 5 on the side wall opposite to the oil pipe 2, a positioning groove 26 communicated with the inner wall of the sliding cavity 5 is formed in the inner wall of the mounting hole 18, the inside of the mounting hole 18 is connected with a quick brake shaft 19 in a sliding manner, a locking block 23 is arranged on the side wall of the quick brake shaft 19, a sliding groove 22 for the locking block 23 to slide is formed in the side wall of the mounting hole 18, a locking groove 24 is formed in the side wall of the sliding groove 22, when the locking block 23 is opposite to the locking groove 24, the locking block 23 can be clamped into the locking groove 24 by rotating the quick brake shaft 19, a flange 20 is arranged at the side wall of the end portion of the quick brake shaft 19 in the sliding cavity 5, a spring III 21 is arranged between the flange 20 and the positioning groove 26, and the spring III 21 is used for drawing the flange 20 into the positioning groove 26.

The hydraulic brake device for the electric vehicle is used in the following specific mode: when the vehicle needs the brake, the user can rotate the rotation portion 4 of establishing in the base 1 on the handlebar, make setting up sliding block 6 extrusion spring 7 on the 4 inner walls of rotation portion and remove to oil pipe 2 one side, at this in-process, sliding block 6 can extrude ejector pad 11 and make ejector pad 11 promote piston 9 extrusion spring two 10 with hydraulic oil push brake calliper inside, brake calliper can be closed and the pivoted wheel takes place the contact from this, under the effect of frictional force, the rotation of wheel receives the restriction and reduces the rotational speed, meanwhile, metal contact one 13 that sets up on the inside wall of rotation portion 4 can contact with metal contact two 14 that set up on sliding cavity 27 terminal surfaces, the electric breaker 12 of establishing on the handlebar at this moment can control the in-wheel motor stall of electric motor car. The hydraulic brake device for the electric vehicle is easy to use and high in reliability.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a hydraulic brake device for electric motor car, establish base (1) on the handlebar and peg graft in base (1) and oil pipe (2) that communicate brake caliper, characterized by including the cover: the base (1) comprises a fixing part (3) and a rotating part (4) which is rotatably connected to the fixing part (3), a sliding cavity (5) is formed in the fixing part (3), a sliding block (6) is arranged on the inner wall of the rotating part (4), the sliding block (6) is connected to the sliding cavity (5) in a sliding mode, a first spring (7) is arranged between one side end face of the sliding cavity (5) and the sliding block (6), the first spring (7) is used for pushing the sliding block (6) to move towards one side away from the first spring (7), the oil pipe (2) penetrates through the side wall of the fixing part (3) and is communicated with the sliding cavity (5), a mounting groove (8) is formed in the end face of the oil pipe (2), a piston (9) is connected to the mounting groove (8) in a sliding mode, a second spring (10) is arranged between the piston (9) and the groove end face of the mounting groove (8), spring two (10) will piston (9) push toward chamber (5) one side slides, it is connected with ejector pad (11) still to slide in mounting groove (8), piston (9) are located ejector pad (11) with between spring two (10), ejector pad (11) protrusion in the notch of mounting groove (8), sliding block (6) can promote ejector pad (11) toward spring two (10) one side removes.

2. The hydraulic brake device for the electric vehicle according to claim 1, wherein: still establish outage ware (12) of being connected with the driving motor electricity of electric motor car on the handlebar including the cover, still be provided with metal contact (13) on the inner wall of rotation portion, sliding chamber (27) have still been seted up on fixed part (3), metal contact (13) slide connect in sliding chamber (27), the terminal surface department in sliding chamber (27) is provided with metal contact two (14), sliding block (6) extrusion in the time of spring (7), metal contact one (13) with metal contact two (14) are inconsistent, this moment outage ware (12) circular telegram, the in-wheel motor outage of electric motor car.

3. The hydraulic brake device for the electric vehicle according to claim 1, wherein: the sliding block (6) is close to the side wall of one side of the oil pipe (2) and is provided with a first guide inclined plane (15), and the cross sectional area of the sliding block (6) is gradually reduced towards one side of the first spring (7).

4. The hydraulic brake device for the electric vehicle according to claim 3, wherein: and a second guide inclined plane (16) matched with the first guide inclined plane (15) is arranged on the end surface of the push block (11) arranged in the sliding cavity (5).

5. The hydraulic brake device for the electric vehicle according to claim 1, wherein: a gripping plate (17) is arranged on the outer wall of the rotating part (4).

6. The hydraulic brake device for the electric vehicle according to claim 3, wherein: fixed part (3) with lateral wall department that oil pipe (2) is relative seted up communicate in the mounting hole (18) of chamber (5) slide, mounting hole (18) internal slipping is connected with emergency brake axle (19), the inner wall department of mounting hole (18) seted up communicate in constant head tank (26) of the inner wall of fixed part (3), the tip lateral wall department of emergency brake axle (19) is provided with flange (20), flange (20) with be provided with spring three (21) between constant head tank (26), spring three (21) be used for with flange (20) are drawn in constant head tank (26) are inside.

7. The hydraulic brake device for the electric vehicle according to claim 6, wherein: sliding tray (22) have been seted up to the lateral wall department of mounting hole (18), the lateral wall department of emergency brake axle (19) is provided with latch segment (23), latch segment (23) slide connect in sliding tray (22), locking groove (24) have been seted up to the lateral wall department of sliding tray (22), work as latch segment (23) with locking groove (24) are relative, rotate emergency brake axle (19) make latch segment (23) card is gone into locking groove (24).

8. The hydraulic brake device for the electric vehicle according to claim 5, wherein: the surface of the gripping plate (17) is provided with an anti-skid block (25).