CN107351965B - Power-off protection brake device for electric vehicle - Google Patents
Power-off protection brake device for electric vehicle Download PDFInfo
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- CN107351965B CN107351965B CN201710762520.XA CN201710762520A CN107351965B CN 107351965 B CN107351965 B CN 107351965B CN 201710762520 A CN201710762520 A CN 201710762520A CN 107351965 B CN107351965 B CN 107351965B
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- brake
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- pull rod
- operating device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
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- Regulating Braking Force (AREA)
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Abstract
The invention discloses a power-off protection brake device for an electric vehicle, which comprises a vehicle body frame main body, an electric brake operating device, a hand brake operating device and a brake system, wherein the electric brake operating device and the hand brake operating device are respectively arranged in the vehicle body frame main body, the electric brake operating device is connected with the brake system through an electric control trigger pull wire, the hand brake operating device is connected with the brake system through a brake transmission rod, and the electric brake operating device or the hand brake operating device drives the brake system to brake the electric vehicle. By adopting the power-off protection brake device for the electric vehicle, the electric brake operating device and the hand brake operating device are matched with the brake system, when one brake mode fails, the other brake mode can still brake the electric vehicle, and the power-off protection brake device has the characteristics of simple structure, convenience in installation and use and strong practicability, can avoid safety accidents caused by brake failure, and is suitable for being generally popularized and used.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a power-off protection brake device for an electric vehicle.
Background
Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, converts electric energy into mechanical energy through a controller, a motor and other components, and controls the current magnitude to change the speed. The driving modes of the electric vehicle are mainly three types: one is a hub type drive, one is a central drive, and the last is a suspension type drive. The electric tricycle in the current market mainly drives a wheel hub, the wheel hub is driven well by a rear wheel, and the driving performance of a front wheel is relatively poor. Along with the development of social economy, road conditions are greatly improved, and the electric tricycle is deeply popular in the market due to the characteristics of lightness, no pollution, environmental protection requirement conformity and the like. When most electric tricycles need to advance after parking and parking or braking, hand and foot brake braking systems are released simultaneously, and the hand and foot brake braking systems are used in a matched mode, so that the electric tricycle is effectively fixed at one position or braked in running, and accidents are prevented. When the electric vehicle is started on a slope and a foot brake system is loosened, the electric vehicle is easy to back up due to the lagging time difference, so that the electric vehicle runs into a subsequent vehicle or a pedestrian after backing up, and the electric vehicle is very dangerous. In addition, when the electric tricycle runs, particularly on a steep slope, if the power failure condition occurs, the motor is not electrified and loses power, the electric tricycle is very easy to fall back, and a rollover falling accident can occur in serious conditions, so that great personal safety potential hazards are brought to riders.
Disclosure of Invention
The invention aims to solve the technical problem in the background technology and provides a brake device which is simple in structure and convenient to use and can effectively prevent a vehicle from backing up, in particular to a power-off protection brake device for an electric vehicle.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a power-off protection brake equipment for electric motor car, includes automobile body frame main part, electric operating means, manual brake operating means and braking system of stopping, electric operating means and manual brake operating means locate respectively in the automobile body frame main part, electric operating means of stopping links to each other with braking system through automatically controlled trigger acting as go-between, manual brake operating means passes through the brake transfer line and links to each other with braking system, through electric operating means or manual brake operating means drive braking system and realize carrying out brake braking to the electric motor car.
The power-off protection brake device for the electric vehicle comprises a brake transmission shaft, a rotating arm, a plurality of rotary control arms, a fixed support and a plurality of brake connecting pull rods connected with a brake hub in a braking mode, wherein the brake transmission shaft is rotatably connected with a vehicle body frame through a transmission rod supporting seat arranged on the vehicle body frame, one end of the rotating arm is fixed on the brake transmission shaft, the other end of the rotating arm is connected with a hand brake operating device through the brake transmission rod, one end of each rotary control arm is fixed on the brake transmission shaft, the other end of each rotary control arm is hinged with the brake connecting pull rod, the fixed support is fixed in the vehicle body frame, one side of the end of each rotary control arm is connected with the electric brake operating device through an electric control triggering pull wire, the other side of each rotary control arm is connected with the rotating arm through a connecting spring, the rotating arm is driven to rotate through the electric brake operating device or the hand brake operating device, the brake transmission shaft and the brake connecting pull rods are driven to rotate, and the brake hub is connected with the brake hub to brake system to brake the electric vehicle.
Furthermore, the power-off protection brake device for the electric vehicle is characterized in that the rotary control arm consists of a front rotary control arm and a rear rotary control arm, the brake connecting pull rod consists of a front brake connecting pull rod and a rear brake connecting pull rod correspondingly, one end of the rotary control arm is fixed on the brake transmission shaft respectively, the other end of the rotary control arm is hinged with the corresponding brake connecting pull rod respectively, the fixed support is further provided with a return spring, one end of the return spring is connected with the fixed support, the other end of the return spring is connected with the rear rotary control arm arranged close to the rotating arm, the rotating arm is driven to rotate by the electric brake operating device or the hand brake operating device, the front brake connecting pull rod and the rear brake connecting pull rod are driven to rotate at the same time, and the front wheel and the rear wheel of the electric vehicle are braked by driving the front brake connecting pull rod and the rear brake connecting pull rod to be connected with the brake hub.
Furthermore, the power-off protection brake device for the electric vehicle is characterized in that a spring connecting hole connected with the connecting spring and the return spring is formed in the end part of the fixed support, a spring connecting hole connected with the connecting spring is formed in the rotating arm, and a spring connecting hole connected with the return spring is formed in the rear rotating control arm.
According to the power-off protection brake device for the electric vehicle, the electric brake operating device and the hand brake operating device are matched with a brake system, in the normal running process, the electric brake operating device is adopted to drive the rotating arm to rotate, meanwhile, the front brake connecting pull rod and the rear brake connecting pull rod are driven to rotate, and finally, the front brake connecting pull rod and the rear brake connecting pull rod are driven to be connected with the brake hub to brake the front wheel and the rear wheel of the electric vehicle. When the electric vehicle runs on a steep slope or is started on the slope, if a power failure condition occurs, the hand brake operating device drives the rotating arm to rotate, meanwhile, the front brake connecting pull rod and the rear brake connecting pull rod are driven to rotate, and the front wheel and the rear wheel of the electric vehicle are braked and braked by driving the front brake connecting pull rod and the rear brake connecting pull rod to be connected with the brake hub. When the power failure condition occurs, the motor loses power when not electrified, the backward phenomenon is very easy to occur, the hand brake operating device and the brake system are matched for use, the phenomenon that the electric tricycle is backward on a slope to cause the backward collision of a vehicle to a subsequent vehicle or a pedestrian is avoided, the occurrence of the accident of falling when the electric tricycle is overturned is avoided, and the safety performance of the vehicle is improved. According to the brake device, when one brake mode fails, the other brake mode can still brake the electric vehicle, and the brake device has the characteristics of simple structure, convenience in installation and use and strong practicability, can avoid safety accidents caused by brake failure, and is suitable for being popularized and used.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Shown in the figure: the brake control device comprises a vehicle body frame, 2 electric brake operating devices, 2 electric control trigger pull wires, 3 hand brake operating devices, 31 brake transmission rods, 4 transmission rod supporting seats, 5 brake transmission shafts, 6 rotating arms, 7 rotating control arms, 8 fixed supports, 9 brake connecting pull rods, 10 return springs and 11 connecting springs.
Detailed Description
As shown in fig. 1, the power-off protection brake device for the electric vehicle comprises a vehicle body frame 1 main body, an electric brake operating device 2, a hand brake operating device 3 and a brake system, wherein the electric brake operating device 2 and the hand brake operating device 3 are respectively arranged in the vehicle body frame 1 main body, the electric brake operating device 2 is connected with the brake system through an electric control trigger pull wire 21, the hand brake operating device 3 is connected with the brake system through a brake transmission rod 31, and the electric brake operating device 2 or the hand brake operating device 3 drives the brake system to brake the electric vehicle.
The invention relates to a power-off protection brake device for an electric vehicle, wherein the brake system comprises a brake transmission shaft 5, a rotating arm 6, a plurality of rotary control arms 7, a fixed support 8 and a plurality of brake connecting pull rods 9 connected with a brake hub in a braking mode, the brake transmission shaft 5 is rotatably connected with a vehicle body frame 1 through a transmission rod support seat 4 arranged on the vehicle body frame 1, one end of the rotating arm 6 is fixed on the brake transmission shaft 5, the other end of the rotating arm 6 is connected with a hand brake operating device 3 through a brake transmission rod 31, one end of each of the plurality of rotary control arms 7 is fixed on the brake transmission shaft 5, the other end of each of the plurality of rotary control arms 7 is hinged with the brake connecting pull rods 9, the fixed support 8 is fixed in the vehicle body frame 1, one side of the end of the fixed support is connected with an electric brake operating device 2 through an electric control trigger pull wire 21, the other side of the fixed support is connected with the rotating arm 6 through a connecting spring 11, the electric brake operating device 2 or the hand brake operating device 3 drives the rotating arm 6 to rotate the brake transmission shaft 5 and the brake connecting pull rods 9, and the brake hub is connected with the brake hub to brake the electric vehicle.
The invention relates to a power-off protection brake device for an electric vehicle, wherein a rotary control arm 7 consists of a front rotary control arm and a rear rotary control arm, correspondingly, a brake connecting pull rod 8 consists of a front brake connecting pull rod and a rear brake connecting pull rod, one end of the rotary control arm 7 is respectively fixed on a brake transmission shaft 5, the other end of the rotary control arm is respectively hinged with the corresponding brake connecting pull rod 8, a return spring 10 is also arranged on a fixed support 8, one end of the return spring 10 is connected with the fixed support 8, the other end of the return spring is connected with the rear rotary control arm arranged close to a rotating arm 6, the rotating arm 6 is driven to rotate by an electric brake operating device 2 or a hand brake operating device 3, the front brake connecting pull rod and the rear brake connecting pull rod are simultaneously driven to rotate, and the front wheel and the rear wheel of the electric vehicle are braked by driving the front brake connecting pull rod and the rear brake connecting pull rod to be connected with a brake hub.
The invention relates to a power-off protection brake device for an electric vehicle, wherein a spring connecting hole connected with a connecting spring 11 and a return spring 10 is arranged at the end part of a fixed support 8, the rotating arm 6 is provided with the spring connecting hole connected with the connecting spring 11, and the rear rotating control arm is provided with the spring connecting hole connected with the return spring 10.
In the practical application process, the power-off protection brake device for the electric vehicle is adopted, the electric brake operating device 2 and the hand brake operating device 3 are matched with a brake system for use, in the normal running process, the electric brake operating device 2 is adopted to drive the rotating arm 6 to rotate, meanwhile, the front brake connecting pull rod and the rear brake connecting pull rod are driven to rotate, and finally, the front wheel and the rear wheel of the electric vehicle are braked and braked by driving the front brake connecting pull rod and the rear brake connecting pull rod to be connected with the brake hub. When the electric vehicle runs on a steep slope or is started on the slope, if a power failure condition occurs, the hand brake operating device 3 drives the rotating arm 6 to rotate, meanwhile, the front brake connecting pull rod and the rear brake connecting pull rod are driven to rotate, and the front wheel and the rear wheel of the electric vehicle are braked and braked by driving the front brake connecting pull rod and the rear brake connecting pull rod to be connected with the brake hub. Because when the outage condition appears, the motor does not energize and then loses power, then the phenomenon of backing up appears very easily, through adopting hand brake operating means 3 and braking system cooperation to use, thereby avoid electric tricycle to appear backing up and to cause the vehicle to back up and hit the phenomenon of following vehicle or pedestrian in the slope, avoid appearing the emergence of the accident of falling of overturning to improve the security performance of vehicle. According to the brake device, when one brake mode breaks down, the other brake mode can still brake the electric vehicle, the brake device has the characteristics of simple structure, convenience in installation and use and strong practicability, safety accidents caused by brake faults can be avoided, and the brake device is suitable for being popularized and used.
The protection scope of the present invention is not limited to the technical solutions disclosed in the specific embodiments, the above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any minor modifications, equivalent substitutions and improvements made according to the technical solutions of the present invention should be included in the protection scope of the technical solutions of the present invention.
Claims (3)
1. The utility model provides a power-off protection brake equipment for electric motor car which characterized in that: the electric brake device comprises a vehicle body frame (1) main body, an electric brake operating device (2), a hand brake operating device (3) and a brake system, wherein the electric brake operating device (2) and the hand brake operating device (3) are respectively arranged in the vehicle body frame (1) main body, the electric brake operating device (2) is connected with the brake system through an electric control trigger pull wire (21), and the hand brake operating device (3) is connected with the brake system through a brake transmission rod (31); wherein braking system is including a brake transmission shaft (5), a rocking arm (6), a plurality of rotary control arm (7), a fixing support (8) and a plurality of brakes that are connected with the braking hub braking are connected pull rod (9), brake transmission shaft (5) are connected with automobile body frame (1) rotation through setting up transfer line supporting seat (4) on automobile body frame (1), on the one end of rocking arm (6) is fixed in brake transmission shaft (5), the other end passes through brake transfer line (31) and is connected with manual brake operating means (3), on the one end of a plurality of rotary control arm (7) is fixed in brake transmission shaft (5), the other end is connected pull rod (9) articulated with the brake respectively, fixing support (8) are fixed in automobile body frame (1), and its tip one side triggers with electric brake operating means (2) through automatically controlled, and the opposite side is connected with rocking arm (6) through connecting spring (10), through electric brake operating means (2) or manual brake operating means (3) drive rocking arm (6) and rotate, drive brake transmission shaft (5) and brake pull rod (9) and brake hub connection by the braking pull rod (9) realization.
2. The power-off protection brake device for the electric vehicle according to claim 1, wherein: rotatory control arm (7) are connected the pull rod by preceding rotation control arm and back rotation control arm and are constituteed, and correspondingly brake connection pull rod (9) is connected the pull rod by preceding brake and is connected the pull rod with the back brake and constitute, and on the one end of rotation control arm (7) was fixed in brake transmission shaft (5) respectively, the other end was connected pull rod (9) with corresponding brake respectively and is articulated still be equipped with reset spring (11) on fixing support (8), reset spring (11)'s one end and fixing support (8) are connected, and the other end is connected with the back rotation control arm that is close to rocking arm (6) setting, through electric brake operating means (2) or manual brake operating device (3) drive rocking arm (6) and rotate, drive preceding brake connection pull rod and back brake connection pull rod simultaneously and brake hub brake and be connected the realization to the front and back wheel brake of electric motor car through driving preceding brake connection pull rod and back brake connection pull rod.
3. A power-off protection braking device for electric vehicle according to claim 2, characterized in that: the end part of the fixed support (8) is provided with a spring connecting hole connected with the connecting spring (10) and the reset spring (11), the rotating arm (6) is provided with a spring connecting hole connected with the connecting spring (10), and the rear rotating control arm is provided with a spring connecting hole connected with the reset spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710762520.XA CN107351965B (en) | 2017-08-30 | 2017-08-30 | Power-off protection brake device for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710762520.XA CN107351965B (en) | 2017-08-30 | 2017-08-30 | Power-off protection brake device for electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN107351965A CN107351965A (en) | 2017-11-17 |
| CN107351965B true CN107351965B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710762520.XA Active CN107351965B (en) | 2017-08-30 | 2017-08-30 | Power-off protection brake device for electric vehicle |
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| CN (1) | CN107351965B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108715197A (en) * | 2018-06-29 | 2018-10-30 | 贵州苏佳乐电动车有限公司 | A kind of electronic warming cover for automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6158542A (en) * | 1997-09-25 | 2000-12-12 | Nolet; Leopold L. | Motor-assisted vehicle |
| CN203158179U (en) * | 2013-01-07 | 2013-08-28 | 张正龙 | Electric vehicle with auxiliary brake device |
| CN203283344U (en) * | 2013-05-10 | 2013-11-13 | 河南丰收新能源车辆有限公司 | Brake system of electric car |
| CN105836024A (en) * | 2016-05-12 | 2016-08-10 | 苏州爱盟机械有限公司 | Bicycle convenient to use |
| CN206107474U (en) * | 2016-08-31 | 2017-04-19 | 许昌银翔三轮摩托车有限公司 | Footboard sitting posture tricycle rear wheel braking system |
| CN207106770U (en) * | 2017-08-30 | 2018-03-16 | 贵州苏佳乐电动车有限公司 | A kind of power-off protection brake gear for electric car |
-
2017
- 2017-08-30 CN CN201710762520.XA patent/CN107351965B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6158542A (en) * | 1997-09-25 | 2000-12-12 | Nolet; Leopold L. | Motor-assisted vehicle |
| CN203158179U (en) * | 2013-01-07 | 2013-08-28 | 张正龙 | Electric vehicle with auxiliary brake device |
| CN203283344U (en) * | 2013-05-10 | 2013-11-13 | 河南丰收新能源车辆有限公司 | Brake system of electric car |
| CN105836024A (en) * | 2016-05-12 | 2016-08-10 | 苏州爱盟机械有限公司 | Bicycle convenient to use |
| CN206107474U (en) * | 2016-08-31 | 2017-04-19 | 许昌银翔三轮摩托车有限公司 | Footboard sitting posture tricycle rear wheel braking system |
| CN207106770U (en) * | 2017-08-30 | 2018-03-16 | 贵州苏佳乐电动车有限公司 | A kind of power-off protection brake gear for electric car |
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| Publication number | Publication date |
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| CN107351965A (en) | 2017-11-17 |
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