Hand-foot linkage braking system of electric vehicle
By designing a hand-foot linkage braking system for electric vehicles, the problem of difficulty in using the handbrake and foot brake simultaneously in emergency situations has been solved, realizing hand-foot linkage braking and improving braking efficiency and safety.
Patent Information
- Application Number
- CN202520321555.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing electric vehicles make it difficult to use both the handbrake and foot brake simultaneously in emergency situations, making it difficult for the elderly and inexperienced to brake quickly, increasing the risk of collisions.
Design an electric vehicle hand-foot linkage braking system. By connecting the handbrake cylinder and the front brake cylinder of the foot brake in parallel, the hand-foot linkage braking can be achieved, allowing the handbrake and foot brake to be used simultaneously or separately, thereby increasing braking performance.
It improves the braking efficiency and safety of electric vehicles, especially in emergency situations, enabling the elderly and inexperienced to brake quickly and effectively, reducing the risk of collision.
Smart Images
Figure CN223672726U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle brake technical field especially relates to a kind of electric vehicle hand-foot linkage brake system. BACKGROUND
[0002] Electric vehicle is a kind of three-wheeled transport tool for pulling goods or people using battery as power and motor as drive.
[0003] Electric vehicle mainly uses electric drive, has no pollution emission, is energy-saving and environment-friendly, helps to reduce the influence on environment, is a kind of choice for sustainable travel in city, and electric vehicle is easy to operate, need not manual gear shifting, just need to rotate throttle to realize acceleration and deceleration, is suitable for people of all ages.
[0004] Electric vehicle is often used as short-distance travel tool in city traffic, and its use includes short-distance freight transport, personnel transport, city patrol and the like.Specifically, electric vehicle can be applied to household, industrial use, logistics and other fields, such as factory, brick factory, kiln factory, refractory factory, ceramic factory and the like, and can also be used for short-distance transport such as urban and rural family travel, taxi and the like.
[0005] Existing electric vehicle is usually braked to front wheel by hand brake, and rear wheel is braked by foot brake, when emergency occurs, and needs to brake quickly, driver needs to brake by hand brake and foot brake simultaneously, for some old people and inexperienced people, it is often difficult to brake by hand brake and foot brake simultaneously in time, leading to collision.
[0006] Therefore, the present application provides a kind of electric vehicle hand-foot linkage brake system to overcome the defects of prior art. CONTENT OF UTILITY MODEL
[0007] The utility model aims at solving the problem that existing electric vehicle is braked to front wheel by hand brake, and rear wheel is braked by foot brake, when emergency occurs, and needs to brake quickly, old people and inexperienced people, it is often difficult to brake by hand brake and foot brake simultaneously in time.
[0008] The utility model discloses a kind of electric vehicle hand-foot linkage brake systems, including motor, the side fixed connection of the motor has gearbox, the output shaft of the motor is connected with gear transmission in gearbox, the side fixed connection of gearbox has hollow single cantilever, the end of single cantilever away from gearbox is rotatably connected with wheel, transmission shaft in gearbox is through single cantilever and is connected with wheel transmission, the left side of single cantilever is fixed with connecting beam, the top wall of connecting beam is hinged with support arm one, composite damping spring is set on support arm one, one end of connecting beam is fixedly connected with support arm one, the other end is fixedly connected with support arm mechanism, support arm mechanism can be regarded as connecting arm, the left side of support arm mechanism is fixed with balance beam, balance beam and connecting beam are separately arranged on the both sides of wheel, balance beam is hinged with support arm two, balance damping spring is set on support arm two, the top of support arm one, support arm two is connected with vehicle frame.
[0009] As a preferred technical solution, a brake disc is installed on the wheel, and a buffer rubber sleeve is installed on the side of the support arm mechanism away from the connecting beam.
[0010] The electric vehicle hand-foot linkage brake system provided by the utility model has the following beneficial effects:
[0011] The utility model adopts the parallel connection mode of hand brake oil cylinder and front brake oil cylinder in foot brake to realize hand-foot linkage brake, can be used in linkage, brakes front wheel, the structure meets national standard, and additionally increases hand brake auxiliary brake function, improves brake performance, shortens brake distance, and hand brake and foot brake can also be used alone to brake vehicle.
[0012] By setting foot brake interface, foot brake front oil pipe and front brake oil cylinder, the foot brake can brake front wheel, left rear wheel and right rear wheel simultaneously, achieves the effect of original hand brake and foot brake joint use, compared with original foot brake, improves brake efficiency, and when emergency occurs, only needs to step on foot brake, which is very friendly to old people and people with insufficient experience. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is overall structure schematic view of the utility model embodiment;
[0014] Figure 2 It is schematic diagram of hand brake of the utility model embodiment;
[0015] Figure 3 It is A view of front brake caliper of the utility model embodiment;
[0016] Figure 4 It is B view of foot brake of the utility model embodiment;
[0017] Figure 5It is C direction view of the foot brake of the embodiment of the utility model;
[0018] Figure 6 It is the schematic diagram of the tee of the embodiment of the utility model;
[0019] Figure 7 It is D direction view of the right rear brake caliper of the embodiment of the utility model;
[0020] Figure 8 It is E direction view of the left rear brake caliper of the embodiment of the utility model.
[0021] Wherein, 1, hand brake; 12, brake handle; 13, hand brake oil cup; 14, hand brake oil cylinder; 2, hand brake front oil pipe; 3, front brake caliper; 31, hand brake interface; 32, foot brake interface; 4, foot brake front oil pipe; 5, foot brake; 51, foot brake oil cup; 52, foot brake double cylinder main pump; 53, rear brake oil cylinder; 54, front brake oil cylinder; 6, foot brake rear oil pipe; 7, tee; 71, through opening one; 72, through opening two; 73, through opening three; 8, right rear sub pump oil pipe; 9, left rear sub pump oil pipe; 10, right rear brake caliper; 101, rear brake interface one; 102, stationary lever one; 103, stationary lever two; 11, left rear brake caliper; 111, rear brake interface two; 112, stationary lever three; 113, stationary lever four. DETAILED DESCRIPTION
[0022] In order to make the technical means, technical features, utility model purposes and technical effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings; obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.
[0023] EMBODIMENT
[0024] As Figures 1 to 8 shown: a hand and foot linkage brake system of electric vehicle, including hand brake system and foot brake system, the hand brake system and foot brake system can be used in linkage, also can be used alone, including hand brake 1, the hand brake 1 is connected with hand brake front oil pipe 2, the other end of hand brake front oil pipe 2 is connected with front brake caliper 3, front brake caliper 3 is connected with foot brake front oil pipe 4, the other end of foot brake front oil pipe 4 is connected with foot brake 5, foot brake 5 is connected with foot brake rear oil pipe 6, the other end of foot brake rear oil pipe 6 is connected with tee 7, another through opening of tee 7 is connected with right rear sub pump oil pipe 8, third through opening is connected with left rear sub pump oil pipe 9, the other end of right rear sub pump oil pipe 8 is connected with right rear brake caliper 10, the other end of left rear sub pump oil pipe 9 is connected with left rear brake caliper 11.
[0025] The hand brake system is composed of a hand brake 1, a hand brake front oil pipe 2, and a front brake caliper 3, and can brake the front wheels to stop the vehicle from running.
[0026] The foot brake system is composed of a front brake caliper 3, a foot brake front oil pipe 4, a foot brake 5, a foot brake rear oil pipe 6, a square tee joint 7, a right rear pump oil pipe 8, a left rear pump oil pipe 9, a right rear brake caliper 10, and a left rear brake caliper 11, and can brake the front wheels, the left rear wheels, and the right rear wheels at the same time to quickly stop the vehicle from running.
[0027] The hand brake system and the foot brake system are used in linkage, can be used for emergency braking and quick stopping, and can prevent collision.
[0028] As shown in Figure 1 , Figure 2 , the hand brake 1 comprises a brake handle 12, one end of the brake handle 12 is connected with a hand brake oil cup 13, the bottom of the hand brake oil cup 13 is connected with a hand brake oil cylinder 14, and the hand brake oil cylinder 14 is in communication with the hand brake front oil pipe 2.
[0029] As shown in Figure 1 , Figure 3 , the top of the front brake caliper 3 is fixedly connected with a hand brake interface 31 and a foot brake interface 32, the hand brake interface 31 is in communication with the hand brake front oil pipe 2, and the foot brake interface 32 is in communication with the foot brake front oil pipe 4.
[0030] As shown in Figure 1 , Figure 4 and Figure 5 , the foot brake 5 comprises a foot brake oil cup 51, the bottom of the foot brake oil cup 51 is connected with a foot brake double-cylinder main pump 52, one end of the foot brake double-cylinder main pump 52 is respectively connected with a rear brake oil cylinder 53 and a front brake oil cylinder 54, the rear brake oil cylinder 53 is in communication with the foot brake rear oil pipe 6, and the front brake oil cylinder 54 is in communication with the foot brake front oil pipe 4.
[0031] As shown in Figure 1 , Figure 6 , the square tee joint 7 is fixedly connected with a through port one 71, a through port two 72, and a through port three 73, the through port one 71 is in communication with the foot brake rear oil pipe 6, the through port two 72 is in communication with the right rear pump oil pipe 8, and the through port three 73 is in communication with the left rear pump oil pipe 9.
[0032] As shown in Figure 1 , Figure 7 , the right rear brake caliper 10 is fixedly connected with a rear brake interface one 101, the rear brake interface one 101 is in communication with the right rear pump oil pipe 8, the right rear brake caliper 10 is transmissionally connected with a stationary rod one 102 and a stationary rod two 103, and the distance between the stationary rod one 102, the stationary rod two 103, and the friction plate is 2 mm.
[0033] As Figure 1 , Figure 8 shown: the left rear brake caliper 11 is fixedly connected with a rear brake interface two 111, the rear brake interface two 111 is connected with the left rear brake pump oil pipe 9, the left rear brake caliper 11 is drivingly connected with a parking lever three 112 and a parking lever four 113, the distance between the parking lever three 112, the parking lever four 113 and the friction plate is 2mm.
[0034] Working mode: when braking is needed, the driver can stop the vehicle from running through the hand brake system, the driver holds the brake handle 12, the front brake caliper 3 is braked through the hand brake front oil pipe 2, the front wheel is braked tightly, finally the vehicle stops running, the driver can also stop the vehicle from running through the foot brake system, the driver steps on the foot brake 5, the front brake caliper 3 is braked through the foot brake front oil pipe 4, the front wheel is braked tightly, at the same time the foot brake 5 makes the right rear brake caliper 10 and the left rear brake caliper 11 brake the right rear wheel and the left rear wheel respectively through the foot brake rear oil pipe 6 and the square three-way pipe 7, so that the vehicle stops running, the hand brake system and the foot brake system can be used together or separately, when used together, emergency braking can be carried out to prevent collision.
[0035] The above is only the preferred embodiment of the utility model, and is not used to limit the implementation range of the utility model, that is, all equivalent changes and modifications made according to the content of the utility model patent application scope belong to the technical range of the utility model.
Claims
1. An electric vehicle hand and foot linked brake system, characterized by: The hand brake (1) is communicated with a hand brake front oil pipe (2), the other end of the hand brake front oil pipe (2) is communicated with a front brake caliper (3), the front brake caliper (3) is communicated with a foot brake front oil pipe (4), the other end of the foot brake front oil pipe (4) is communicated with a foot brake (5), the foot brake (5) is communicated with a foot brake rear oil pipe (6), the other end of the foot brake rear oil pipe (6) is communicated with a tee (7), the other opening of the tee (7) is communicated with a right rear sub pump oil pipe (8), the third opening is communicated with a left rear sub pump oil pipe (9), the other end of the right rear sub pump oil pipe (8) is communicated with a right rear brake caliper (10), the other end of the left rear sub pump oil pipe (9) is communicated with a left rear brake caliper (11).
2. The electric vehicle hand and foot linked brake system according to claim 1, characterized in that: The hand brake (1) comprises a brake handle (12), one end of the brake handle (12) is connected with a hand brake oil cup (13), the bottom of the hand brake oil cup (13) is connected with a hand brake oil cylinder (14), the hand brake oil cylinder (14) is communicated with the hand brake front oil pipe (2).
3. The electric vehicle hand and foot linked brake system according to claim 1, characterized in that: The top of the front brake caliper (3) is fixedly communicated with a hand brake interface (31) and a foot brake interface (32), the hand brake interface (31) is communicated with the hand brake front oil pipe (2), and the foot brake interface (32) is communicated with the foot brake front oil pipe (4).
4. The electric vehicle hand and foot linked brake system of claim 1, wherein: The foot brake (5) comprises a foot brake oil cup (51), the bottom of the foot brake oil cup (51) is communicated with a foot brake double-cylinder main pump (52), one end of the foot brake double-cylinder main pump (52) is respectively communicated with a rear brake oil cylinder (53) and a front brake oil cylinder (54), the rear brake oil cylinder (53) is communicated with the foot brake rear oil pipe (6), and the front brake oil cylinder (54) is communicated with the foot brake front oil pipe (4).
5. The electric vehicle hand and foot linked brake system of claim 1, wherein: The tee (7) is fixedly communicated with an opening one (71), an opening two (72) and an opening three (73), the opening one (71) is communicated with the foot brake rear oil pipe (6), the opening two (72) is communicated with the right rear sub pump oil pipe (8), and the opening three (73) is communicated with the left rear sub pump oil pipe (9).
6. The electric vehicle hand and foot linked brake system of claim 1, wherein: The right rear brake caliper (10) is fixedly communicated with a rear brake interface one (101), the rear brake interface one (101) is communicated with the right rear sub pump oil pipe (8), the right rear brake caliper (10) is drivingly connected with a stationary rod one (102) and a stationary rod two (103), and the distance between the stationary rod one (102), the stationary rod two (103) and the friction plate is 2mm.
7. The electric vehicle hand and foot linked brake system of claim 1, wherein: The left rear brake caliper (11) is fixedly communicated with a rear brake interface two (111), the rear brake interface two (111) is communicated with the left rear sub pump oil pipe (9), the left rear brake caliper (11) is drivingly connected with a stationary rod three (112) and a stationary rod four (113), and the distance between the stationary rod three (112), the stationary rod four (113) and the friction plate is 2mm.