CN210653058U - Electric vehicle and parking brake mechanism thereof - Google Patents
Electric vehicle and parking brake mechanism thereof Download PDFInfo
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- CN210653058U CN210653058U CN201921610743.5U CN201921610743U CN210653058U CN 210653058 U CN210653058 U CN 210653058U CN 201921610743 U CN201921610743 U CN 201921610743U CN 210653058 U CN210653058 U CN 210653058U
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Abstract
The utility model discloses an electric motor car and parking arrestment mechanism thereof, this parking arrestment mechanism includes: the brake comprises a lever arm with a first mounting position, a second mounting position and a third mounting position, a first brake cable, two second brake cables, an operating piece for pulling the first brake cable and a brake for braking two rear wheels; the second mounting position is positioned between the first mounting position and the third mounting position, and the distance between the second mounting position and the first mounting position is greater than or equal to the distance between the second mounting position and the third mounting position; the third mounting position is hinged on the frame and used as a fulcrum of the lever arm to enable the lever arm to rotate around the third mounting position; one end of the first brake cable is connected with the first mounting position, and the other end of the first brake cable is connected with the operating piece; and one ends of the two second brake cables are connected with the second mounting positions, and the other ends of the two second brake cables are connected with the two brakes respectively. Smaller pulling force is applied to the control piece, larger braking force can be provided for the brake, the parking effect of the electric vehicle is improved, and the safety factor of the vehicle is increased.
Description
Technical Field
The application relates to the technical field of electric vehicle brake systems, in particular to an electric vehicle and a parking brake mechanism thereof.
Background
In recent years, along with the improvement of living standard of people, the times of outgoing sightseeing tourism of people are increased year by year, the sightseeing electric vehicles are promoted to be put in a large number, and particularly, the golf electric vehicles, the electric hunting vehicles, the electric low-speed road vehicles and the like are increasingly used to provide convenience for short-distance travel of people in relatively large tourist scenic spots or public places such as garden type hotels, villa areas, airports, golf courses and the like.
The parking mechanism of the existing electric vehicle is not enough to adopt smaller acting force to park the electric vehicle on a steep slope under the full-load condition, so that the requirements of a plurality of tourist attractions cannot be met, and meanwhile, the safety of lives and properties of people can also be influenced.
SUMMERY OF THE UTILITY MODEL
The application aims at providing an electric motor car and parking mechanism of enlargiing thereof, adopts less effort can provide great parking power for the electric motor car.
According to a first aspect of the present application, there is provided a parking brake mechanism of an electric vehicle, comprising: the brake system comprises a lever arm, a first brake cable, two second brake cables, an operating piece for pulling the first brake cable and two brakes; the lever arm is arranged along the width direction of the frame, and the first brake cable and the two second brake cables are arranged along the length direction of the frame; the lever arm is provided with a first mounting position, a second mounting position and a third mounting position, the second mounting position is positioned between the first mounting position and the third mounting position, and the distance between the second mounting position and the first mounting position is greater than or equal to the distance between the second mounting position and the third mounting position; the third mounting position is hinged to the frame and used as a fulcrum of the lever arm to enable the lever arm to rotate around the third mounting position; one end of the first brake cable is connected to the first mounting position, and the other end of the first brake cable is connected with the operating piece; one ends of the two second brake cables are connected to the second mounting position, and the other ends of the two second brake cables are respectively connected with the two brakes; the two brakes are respectively arranged on the two rear wheels and used for braking the rear wheels.
Further, the parking brake mechanism, wherein one end of each of the two second brake cables can reciprocate between the second mounting position and the third mounting position along the axial direction of the lever arm, and can be arbitrarily positioned between the second mounting position and the third mounting position.
Further, the parking brake mechanism further includes: the clamping mechanism is arranged on the lever arm, the other end of the connecting line is fixed on the clamping mechanism, and the clamping mechanism is used for clamping the lever arm to move back and forth between the second installation position and the third installation position along the axial direction of the lever arm and used for loosening the lever arm to be randomly positioned between the second installation position and the third installation position.
Further, the parking brake mechanism further includes: and one end of the connecting wire is fixedly connected with one ends of the two second brake cables, the other end of the connecting wire is connected with the second mounting position, can move back and forth between the second mounting position and the third mounting position along the axial direction of the lever arm, and can be randomly positioned between the second mounting position and the third mounting position.
Further, the parking brake mechanism further includes: the fixed knot that sets up be used for fixing on the frame the one end of two second brake cables constructs, fixed knot constructs including: the fixing block is fixed on the frame and provided with two through holes, and one ends of the two second brake cables penetrate through the two through holes respectively and then are fixedly connected with one ends of the connecting wires.
Further, the parking brake mechanism further includes: the third mounting position is provided with a mounting hole, and the fixing shaft penetrates through the mounting hole and is fixed on the frame of the electric vehicle; and the flange of the fixed shaft supports the third mounting position.
Further, the parking brake mechanism, wherein the aperture of the mounting hole is larger than the shaft diameter of the fixed shaft.
Further, the parking brake mechanism, wherein the brake includes: drum brakes or disc brakes.
Further, the parking brake mechanism, wherein the operating member includes: parking foot pedal or parking hand brake.
According to a second aspect of the present application, the present application further provides an electric vehicle comprising a frame, at least one front wheel, two rear wheels and the parking brake mechanism are mounted on the frame.
The utility model has the advantages that:
the application provides an electric motor car and parking braking mechanism thereof, wherein, parking braking mechanism includes: the brake system comprises a lever arm, a first brake cable, two second brake cables, an operating piece for pulling the first brake cable and two brakes; the lever arm is arranged along the width direction of the frame, and the first brake cable and the two second brake cables are arranged along the length direction of the frame; the lever arm is provided with a first mounting position, a second mounting position and a third mounting position, the second mounting position is positioned between the first mounting position and the third mounting position, and the distance between the second mounting position and the first mounting position is greater than or equal to the distance between the second mounting position and the third mounting position; the third mounting position is hinged to the frame and used as a fulcrum of the lever arm to enable the lever arm to rotate around the third mounting position; one end of the first brake cable is connected to the first mounting position, and the other end of the first brake cable is connected with the operating piece; one ends of the two second brake cables are connected to the second mounting position, and the other ends of the two second brake cables are respectively connected with the two brakes; the two brakes are respectively arranged on the two rear wheels and used for braking the rear wheels. The less pulling force of applying on the control piece of accessible provides great brake force to the stopper, improves electric motor car parking ability, guarantees that the vehicle under the full load condition, makes the steady parking of wheel in dangerous highway sections such as abrupt slope, increases vehicle safety factor, guarantees people's lives and property's safety.
Drawings
Fig. 1 is a schematic structural diagram of the parking brake mechanism of the electric vehicle provided by the present invention.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The first embodiment,
The application provides a parking braking mechanism for electric motor car, and this electric motor car can be golf course car, electronic car of hunting, electronic low-speed road car etc. through the motor vehicle that electric drive mechanism pull, and under the normal conditions, the parking braking mode of motor vehicle all is through controlling the piece pulling brake line in order to drive the brake to wheel braking, reaches parking braking's purpose. In the scheme, the brake cables are arranged into two groups, the lever arms are arranged between the two groups, and the lever principle is utilized to apply smaller pulling force to the end of the control part, so that the braking force reaching the brake end can be improved, and the parking braking effect of the electric vehicle on a steep slope is improved.
Referring to fig. 1, the parking brake mechanism provided in the present embodiment mainly includes: a lever arm 1, a first brake cable 2, two second brake cables 3, an operating member 4 for pulling the first brake cable 2, and two brakes 5.
The lever arm 1 is arranged in the width direction of the frame 9, and as shown in fig. 1, the width direction of the frame 9 is the left-right direction shown in fig. 1. The lever arm 1 has a first installation position a, a second installation position B and a third installation position C, wherein the second installation position B is located between the first installation position a and the third installation position C, and the distance from the second installation position B to the first installation position a is greater than or equal to the distance from the second installation position B to the third installation position C. The third mounting location C is intended to be articulated to the frame 9 as a fulcrum for the lever arm 1 such that the lever arm 1 can be pivoted about the third mounting location C.
In some embodiments, in order to allow the lever arm 1 to rotate around the third mounting position C, a mounting hole can be provided at the third mounting position C of the lever arm 1, a fixed shaft 6 with a flange is fixed on the frame 9 after passing through the mounting hole, and the flange of the fixed shaft 6 supports the lever arm 1 at the third mounting position C of the lever arm 1. Preferably, the diameter of the mounting hole is larger than the diameter of the stationary shaft 6 to achieve an articulated connection so that the lever arm 1 can rotate about the stationary shaft 6 (i.e., the third mounting location C).
Of course, in other embodiments, the bearing may be disposed on the frame 9, the shaft fixed at the third mounting position C may be disposed on the lever arm 1, and the shaft may be inserted and fixed in the inner ring of the bearing, so as to achieve the purpose of rotation.
The first brake cable 2 and the two second brake cables 3 are arranged along the length direction of the frame 9, as shown in fig. 1, and the length direction of the frame 9 is the up-down direction shown in fig. 1. One end of the first brake cable 2 is connected to the first mounting position a, and the other end of the first brake cable 2 is connected to an operating member 6 for pulling the same, wherein the operating member 6 can be one of a parking pedal and a parking hand brake. One ends of the two second brake cables 3 are connected to the second mounting position B, and the other ends of the two second brake cables 3 are respectively connected to brakes 5 mounted on two rear wheels of the frame 9, wherein the brakes 5 can be drum brakes or disc brakes.
The first brake cable 2 is pulled through the operating piece 6, so that the two second brake cables 3 are driven to pull the brakes 5, and the two brakes 5 respectively brake the two rear wheels. According to the lever principle, as the distance from the second mounting position B to the first mounting position A is greater than or equal to the distance from the second mounting position B to the third mounting position C, a smaller pulling force is only required to be applied to the operating piece 6, and a larger braking force can be applied to the brake 5 through the two second brake cables 3. For example, when the distance between the second mounting position B and the first mounting position a is equal to the distance between the second mounting position B and the third mounting position C, the force applied to the two second brake cables 3 is twice the force applied to the end of the operating member 6, so that a larger braking force can be provided for the brake by a smaller applied force, and therefore, under the condition that the vehicle is fully loaded, the vehicle can be stably parked on dangerous road sections such as a steep slope and the like, the safety coefficient of the vehicle is increased, and the safety of lives and properties of people is ensured.
In some embodiments, when the pulling force on the end of the operating member 6 needs to be reduced, the distance between the first mounting position a and the third mounting position C needs to be increased, and the distance between the second mounting position B and the third mounting position C needs to be reduced, so that the pulling force applied to the operating member 6 can be reduced. In theory, the ratio between AB and BC can be amplified indefinitely, if not limited by space.
As mentioned above, the present application changes the ratio between the second mounting location B and the third mounting location C by moving the position of one end of the two second brake cables 3 between the two mounting locations, i.e. the one ends of the two second brake cables 3 are both reciprocally movable in the axial direction of the lever arm 1 between the second mounting location B and the third mounting location C and are arbitrarily positionable between the second mounting location B and the third mounting location C.
In some embodiments, a clamping mechanism can be provided which can clamp or release the lever arm 1, and when released, can move back and forth between the second mounting location B and the third mounting location C along the axial direction of the lever arm 1, and a fixing location for fixing one end of the two second brake cables 3 is also provided on the clamping mechanism, so that one end of the two second brake cables 3 can move back and forth between the second mounting location B and the third mounting location C along the axial direction of the lever arm 1 to change the distance between the second mounting location B and the third mounting location C, thereby changing the ratio between AB and BC to achieve the purpose of reducing the pulling force exerted on the operating member 6.
In other embodiments, a plurality of second mounting locations B may be provided on the lever arm 1, and a distance from a second mounting location B, which is farthest from the third mounting location C in the direction from C to a, of the plurality of second mounting locations B to the first mounting location a is greater than or equal to a distance from a second mounting location B, which is closest to the third mounting location C in the direction from C to a, of the plurality of second mounting locations B to the third mounting location C. In some embodiments, the second mounting locations B are mounting holes, and one end of each of the second brake cables 3 is fixed in the mounting holes, so as to change the ratio between AB and BC. In still other embodiments, different ratio numbers can be marked at corresponding positions of the plurality of mounting holes, that is, different tension magnitudes are corresponding, so that the tension magnitude can be conveniently adjusted.
In this application, the parking brake mechanism further includes: the connecting wire 7, one end of the connecting wire 7 is fixedly connected with one end of the two second brake cables 3, and the other end of the connecting wire 7 is connected to the second mounting position B, as above, the other end of the connecting wire 7 can adopt the clamping mechanism or the plurality of mounting holes in the above embodiment mode, so as to realize the reciprocating movement between the second mounting position B and the third mounting position C along the axial direction of the lever arm 1, and can be arbitrarily positioned between the second mounting position B and the third mounting position C.
As above, in order to realize the fixation between one end of the two second brake cables 3 and one end of the connecting cable 7, the parking brake mechanism further includes: a fixed structure 8. In some embodiments, the fixed structure 8 is provided on a frame 9, which includes: the fixing block is fixed on the frame 9 and provided with two through holes, and one ends of the two second brake cables 3 penetrate through the two through holes respectively and then are fixedly connected with one ends of the connecting wires 7. It will be appreciated that two second brake cables 3 may be moved in the respective corresponding vias.
It should be noted that, in the present application, the first brake cable and the two second brake cables each include: the outer tube with be located the steel wire sinle silk of outer tube, fix on outer tube to the frame through the fastener, alright fix each brake line to the frame, be connected between the steel wire sinle silk of each brake line and each part, the one end of the steel wire sinle silk of first brake line is connected on first installation position promptly, the other end of the steel wire sinle silk of first brake line is connected and is used for on the control piece of its pulling, the one end of the steel wire sinle silk of two second brake lines is all connected on second installation position, the stopper on two rear wheels is connected respectively to the other end of the steel wire sinle silk of two second brake lines.
In conclusion, the parking braking mechanism of electric motor car that this application provided, the accessible is less exerts the pulling force on the control piece, provides great brake force to the stopper, guarantees that the vehicle makes the steady parking of wheel in dangerous highway sections such as abrupt slope under the full-load condition, increases vehicle safety factor, guarantees people's life and property safety.
Example II,
The present application further provides an electric vehicle, including: the parking brake mechanism comprises a frame, at least one front wheel, two rear wheels and the parking brake mechanism in the first embodiment. All functions and structures of the parking brake mechanism have been explained in detail in the first embodiment, and will not be described in detail herein.
The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. For those skilled in the art to which the present application pertains, a number of simple deductions or substitutions can be made without departing from the inventive concept of the present application.
Claims (10)
1. A parking brake mechanism of an electric vehicle, comprising: the brake system comprises a lever arm, a first brake cable, two second brake cables, an operating piece for pulling the first brake cable and two brakes; the lever arm is arranged along the width direction of the frame, and the first brake cable and the two second brake cables are arranged along the length direction of the frame; the lever arm is provided with a first mounting position, a second mounting position and a third mounting position, the second mounting position is positioned between the first mounting position and the third mounting position, and the distance between the second mounting position and the first mounting position is greater than or equal to the distance between the second mounting position and the third mounting position; the third mounting position is hinged to the frame and used as a fulcrum of the lever arm to enable the lever arm to rotate around the third mounting position; one end of the first brake cable is connected to the first mounting position, and the other end of the first brake cable is connected with the operating piece; one ends of the two second brake cables are connected to the second mounting position, and the other ends of the two second brake cables are respectively connected with the two brakes; the two brakes are respectively arranged on the two rear wheels and used for braking the rear wheels.
2. The parking brake mechanism according to claim 1, wherein one ends of the two second brake wires are reciprocally movable in the axial direction of the lever arm between the second mounting position and the third mounting position, and are arbitrarily positionable between the second mounting position and the third mounting position.
3. The parking brake mechanism of claim 2, further comprising: and one end of the connecting wire is fixedly connected with one ends of the two second brake cables, the other end of the connecting wire is connected with the second mounting position, can move back and forth between the second mounting position and the third mounting position along the axial direction of the lever arm, and can be randomly positioned between the second mounting position and the third mounting position.
4. The parking brake mechanism of claim 3, further comprising: the clamping mechanism is arranged on the lever arm, the other end of the connecting line is fixed on the clamping mechanism, and the clamping mechanism is used for clamping the lever arm to move back and forth between the second installation position and the third installation position along the axial direction of the lever arm and used for loosening the lever arm to be randomly positioned between the second installation position and the third installation position.
5. The parking brake mechanism of claim 3, further comprising: the fixed knot that sets up be used for fixing on the frame the one end of two second brake cables constructs, fixed knot constructs including: the fixing block is fixed on the frame and provided with two through holes, and one ends of the two second brake cables penetrate through the two through holes respectively and then are fixedly connected with one ends of the connecting wires.
6. The parking brake mechanism of claim 1, further comprising: the third mounting position is provided with a mounting hole, and the fixing shaft penetrates through the mounting hole and is fixed on the frame of the electric vehicle; and the flange of the fixed shaft supports the third mounting position.
7. The parking brake mechanism of claim 6, wherein a bore diameter of the mounting hole is larger than a shaft diameter of the fixed shaft.
8. The parking brake mechanism of claim 1, wherein the brake comprises: drum brakes or disc brakes.
9. The parking brake mechanism of claim 1, wherein the operating member includes: parking foot pedal or parking hand brake.
10. An electric vehicle comprising a frame, wherein at least one front wheel, two rear wheels, and a parking brake mechanism according to any one of claims 1-9 are mounted on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610743.5U CN210653058U (en) | 2019-09-25 | 2019-09-25 | Electric vehicle and parking brake mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610743.5U CN210653058U (en) | 2019-09-25 | 2019-09-25 | Electric vehicle and parking brake mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210653058U true CN210653058U (en) | 2020-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610743.5U Active CN210653058U (en) | 2019-09-25 | 2019-09-25 | Electric vehicle and parking brake mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210653058U (en) |
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2019
- 2019-09-25 CN CN201921610743.5U patent/CN210653058U/en active Active
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