Manipulator brake device of EPB (electronic parking brake)

Abstract

A mechanical hand brake device of an EPB electronic parking system comprises an EPB module valve and an EPB switch, the upper portion of the EPB module valve is connected with the EPB switch through a wire, the lower portion and the middle of the left side of the EPB module valve are connected to a brake device through air pipes, the upper portion of the left side of the EPB module valve is connected to a manual control mechanical valve through an air pipe, and the manual control mechanical valve is connected to the brake device through an air pipe. The right side of the EPB module valve is connected to a hand brake air cylinder through an air pipe. According to the EPB electronic parking system, a set of manual control mechanical valve is additionally arranged in the EPB electronic parking system, when the EPB electronic parking system fails, an automobile can be parked through a mechanical hand brake, and the safety of the automobile is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brakes, and in particular to a mechanical hand brake device of an EPB electronic parking system. Background Art

[0002] At present, the EPB electronic parking system completely realizes the parking state and the release state through circuit control. If the electronic part fails, the whole vehicle will not be able to enter the parking state or the release state, and there is a risk of causing the vehicle to be unable to operate.

[0003] Based on this, in order to ensure that the electronic handbrake system can still be controlled when the traditional electronic parking system fails, this design proposes a mechanical handbrake device for the EPB electronic parking system. Utility Model Content

[0004] The utility model aims to provide a mechanical hand brake device of an EPB electronic parking system.

[0005] A mechanical handbrake device of an EPB electronic parking system comprises: an EPB module valve and an EPB switch, wherein the upper portion of the EPB module valve is connected to the EPB switch via a wire, the lower left portion and the middle portion of the EPB module valve are connected to a brake device via an air pipe, the upper left portion of the EPB module valve is connected to a hand-controlled mechanical valve via an air pipe, and the right side of the EPB module valve is connected to a handbrake air reservoir via an air pipe.

[0006] Preferably, the manual mechanical valve includes: an air inlet, an air outlet, an exhaust port, a manual mechanical valve housing, and a knob. The manual mechanical valve housing structure is a semi-cylindrical structure, an exhaust port is provided at the bottom of the manual mechanical valve housing, an air inlet is provided at the lower left side of the manual mechanical valve housing, an air outlet is provided at the upper part of the air inlet, and a knob is installed on the top of the manual mechanical valve housing.

[0007] Preferably, the braking device is installed on both the front and rear wheels, and the other end of the braking device is connected to an ABS solenoid valve. Each braking device is equipped with an ABS solenoid valve, the other end of the ABS solenoid valve at the front wheel position is connected to a quick release valve, and the other end of the ABS solenoid valve at the rear wheel is connected to a temporary stop relay valve, the other end of the quick release valve is connected to a main brake valve, the lower left end of the main brake valve is connected to the rear brake air cylinder through an air pipe, the upper left end of the main brake valve is connected to the front brake air cylinder through an air pipe, the lower left part of the temporary stop relay valve is connected to the front brake air cylinder through an air pipe, and the upper left part of the temporary stop relay valve is connected to the main brake valve.

[0008] Preferably, the number of the ABS solenoid valves is four, and the number of the brake devices is four.

[0009] Preferably, the air inlet on the left side of the manual mechanical valve is connected to the handbrake air reservoir through a manual valve outlet nylon tube, and the air outlet on the left side of the manual mechanical valve is connected to the EPB module valve through a manual valve inlet nylon tube.

[0010] The beneficial effects of the above scheme are:

[0011] 1. The utility model adds a set of manual mechanical valves to the EPB electronic parking system. When the EPB electronic parking system fails, the vehicle can be parked by the mechanical handbrake to ensure the safety of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the principle diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the hand-controlled mechanical valve of the utility model;

[0014] Figure 3 This is a left-side structural diagram of the hand-controlled mechanical valve of the utility model;

[0015] Figure 4 This is a schematic diagram of the top view of the structure of the hand-controlled mechanical valve of the utility model;

[0016] Figure 5 This is the electrical schematic diagram of the hand-controlled mechanical valve of the utility model;

[0017] In the figure: 1. Manual mechanical valve; 101. Air inlet; 102. Air outlet; 103. Exhaust port; 104. Manual mechanical valve housing; 105. Knob; 2. Manual valve outlet nylon tube; 3. Manual valve inlet nylon tube; 4. Handbrake air reservoir; 5. EPB module valve; 6. EPB switch; 7. Rear wheel; 8. Front wheel; 9. Temporary stop relay valve; 10. Brake master valve; 11. Braking device; 12. ABS solenoid valve; 13. Quick release valve; 14. Rear brake air reservoir; 15. Front brake air reservoir. DETAILED DESCRIPTION

[0018] The present invention is further explained in detail below in conjunction with the accompanying drawings of the specification, but the protection scope of the present invention is not limited thereto.

[0019] according to Figure 1As shown, a mechanical handbrake device of an EPB electronic parking system includes: an EPB module valve 5 and an EPB switch 6, wherein the upper part of the EPB module valve 5 is connected to the EPB switch 6 through a wire, and the EPB switch 6 is used to control the EPB module valve 5; the lower left part and the middle part of the EPB module valve 5 are connected to the brake device 11 through an air pipe, and the gas is transported to the brake device 11 through the control of the EPB module valve 5, so that the brake device 11 works to achieve parking; the upper left part of the EPB module valve 5 is connected to the manual mechanical valve 1 through an air pipe, and the right side of the EPB module valve 5 is connected to the handbrake air reservoir 4 through an air pipe, and by connecting the manual mechanical valve 1, the car can be parked by controlling the manual mechanical valve 1 after the EPB module valve 5 fails, thereby ensuring the safety of the car.

[0020] like Figure 2 , Figure 3 , Figure 4 As shown, specifically, the manual mechanical valve 1 includes: an air inlet 101, an air outlet 102, an exhaust port 103, a manual mechanical valve housing 104, and a knob 105. The structure of the manual mechanical valve housing 104 is a semi-cylindrical structure. The manual mechanical valve 1 is a three-position three-way control valve. The exhaust port 103 is provided at the bottom of the manual mechanical valve housing 104, the air inlet 101 is provided at the lower left part of the manual mechanical valve housing 104, and the air outlet 102 is provided at the upper part of the air inlet 101. A knob 105 is installed on the top of the manual mechanical valve housing 104, and the air inlet 101, the air outlet 102 and 103 are connected and disconnected by rotating the knob 105 to perform parking control.

[0021] like Figure 1 As shown, specifically, the brake device 11 is installed on both the front wheel 8 and the rear wheel 7, and the other end of the brake device 11 is connected to an ABS solenoid valve 12. Each brake device 11 is installed with an ABS solenoid valve 12, and the other end of the ABS solenoid valve 12 at the front wheel 8 is connected to a quick release valve 13, and the other end of the ABS solenoid valve 12 at the rear wheel 7 is connected to a temporary stop relay valve 9, and the other end of the quick release valve 13 is connected to a brake master valve 10, and the lower left end of the brake master valve 10 is connected to a rear brake air reservoir 14 through an air pipe, and the upper left end of the brake master valve 10 is connected to a front brake air reservoir 15 through an air pipe, and the lower left part of the temporary stop relay valve 9 is connected to the front brake air reservoir 15 through an air pipe, and the upper left part of the temporary stop relay valve 9 is connected to the brake master valve 10.

[0022] Specifically, the number of the ABS solenoid valves 12 is four, and the number of the brake devices 11 is four.

[0023] Specifically, the air inlet 101 on the left side of the manual mechanical valve 1 is connected to the handbrake air reservoir 4 through the manual valve air outlet nylon tube 2, and the air outlet 102 on the left side of the manual mechanical valve 1 is connected to the EPB module valve 5 through the manual valve air inlet nylon tube 3.

[0024] Combination Figure 5 As shown in the electrical schematic diagram of the manual mechanical valve, its working principle is: when the manual mechanical valve 1 is in the driving position, the air inlet 101, the air outlet 102, and the exhaust port 103 are not connected to each other; when the manual mechanical valve 1 is in the parking position, the air inlet 101 is closed, the air outlet 102 and the exhaust port 103 are connected, and the compressed gas in the energy storage chamber is discharged from the exhaust port 103 through the air outlet 102 to realize the parking function; when the controlled mechanical valve is in the release position, the exhaust port 103 is closed, the air inlet 101 is connected to the air outlet 102, and the compressed gas in the handbrake air cylinder 4 flows into the energy storage chamber to realize the release of the parking function.

Claims

1. A mechanical hand brake device of an EPB electronic parking system, comprising: The EPB module valve (5) and the EPB switch (6) are characterized in that the upper portion of the EPB module valve (5) is connected to the EPB switch (6) via a wire, the lower left portion and the middle portion of the EPB module valve (5) are connected to the brake device (11) via an air pipe, the upper left portion of the EPB module valve (5) is connected to the manual mechanical valve (1) via an air pipe, and the right side of the EPB module valve (5) is connected to the hand brake air reservoir (4) via an air pipe.

2. A mechanical hand brake device of an EPB electronic parking system as claimed in claim 1, characterized in that: The manual mechanical valve (1) comprises: an air inlet (101), an air outlet (102), an exhaust port (103), a manual mechanical valve housing (104), and a knob (105); the manual mechanical valve housing (104) is a semi-cylindrical structure; the exhaust port (103) is provided at the bottom of the manual mechanical valve housing (104); an air inlet (101) is provided at the lower left side of the manual mechanical valve housing (104); an air outlet (102) is provided above the air inlet (101); and a knob (105) is installed at the top of the manual mechanical valve housing (104).

3. The mechanical hand brake device of the EPB electronic parking system as claimed in claim 1, characterized in that: The brake device (11) is installed on both the front wheel (8) and the rear wheel (7). The other end of the brake device (11) is connected to an ABS solenoid valve (12). Each brake device (11) is installed with an ABS solenoid valve (12). The other end of the ABS solenoid valve (12) at the front wheel (8) is connected to a quick release valve (13). The other end of the ABS solenoid valve (12) at the rear wheel (7) is connected to a temporary stop relay valve (9). The other end of the quick release valve (13) is connected to a brake main valve (10). The lower left end of the brake main valve (10) is connected to a rear brake air reservoir (14) via an air pipe. The upper left end of the brake main valve (10) is connected to a front brake air reservoir (15) via an air pipe. The lower left part of the temporary stop relay valve (9) is connected to a front brake air reservoir (15) via an air pipe. The upper left part of the temporary stop relay valve (9) is connected to the brake main valve (10).

4. A mechanical hand brake device of an EPB electronic parking system as claimed in claim 3, characterized in that: The number of the ABS solenoid valves (12) is four, and the number of the brake devices (11) is four.

5. The mechanical hand brake device of the EPB electronic parking system as claimed in claim 2, characterized in that: The air inlet (101) on the left side of the manual mechanical valve (1) is connected to the handbrake air reservoir (4) via the manual valve air outlet nylon tube (2), and the air outlet (102) on the left side of the manual mechanical valve (1) is connected to the EPB module valve (5) via the manual valve air inlet nylon tube (3).

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