Hydraulic line control system

Abstract

A hydraulic line control system comprises a motor, a valve body, a control box and a main cylinder assembly, a plunger is arranged between the motor and the valve body, a rotor position sensor is arranged on the plunger, a motor limiting hole is formed in the motor, one end of the rotor position sensor penetrates through the plunger and extends into the motor limiting hole to be connected with the motor, and the other end of the rotor position sensor is connected with the main cylinder assembly. The motor limiting hole is in interference fit with the rotor position sensor, the plunger is pushed through the motor to build pressure, a vacuum source is not needed, the pressure building speed is high, the rotor position sensor is connected with the motor, the rotating speed signal of the output shaft of the motor is directly collected, and the speed signal is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile hydraulic control, in particular to a hydraulic line control system. Background Art

[0002] In the prior art, new energy vehicles lack a vacuum source due to the lack of an engine, so there is an urgent need for a hydraulic control system that can achieve pressure building without a vacuum source. Summary of the invention

[0003] In view of this, the utility model provides a hydraulic line control system.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A hydraulic line control system comprises a motor, a valve body, a control box and a master cylinder assembly, wherein a plunger is arranged between the motor and the valve body, a rotor position sensor is arranged on the plunger, a motor limit hole is provided on the motor, one end of the rotor position sensor passes through the plunger and extends into the motor limit hole to be connected to the motor, and the motor limit hole and the rotor position sensor are interference fit.

[0006] Preferably, the plunger is arranged on the motor, and there is a clearance fit between the plunger and the motor. A bolt is arranged on the motor, and one end of the bolt passes through the motor and is threadedly connected to the valve body.

[0007] Preferably, the motor has a motor shaft, a magnetic ring and a gear are arranged on the motor shaft, the magnetic ring and the rotor position sensor are on the same center line, and the distance between the magnetic ring and the rotor position sensor is 0.6 mm.

[0008] Preferably, the magnetic ring and the gear have an interference fit, the gear and the motor shaft have an interference fit, and the magnetic ring has 10 magnetic poles.

[0009] Preferably, an oil storage channel is provided in the valve body, and an oil accumulation groove and an oil passage hole are provided on the plunger.

[0010] Preferably, a coil skeleton and a coil shell are provided on a side of the control box close to the valve body, and a movable gap is provided between the coil skeleton and the coil shell, and a distance of the movable gap is 0.2-0.6 mm.

[0011] Preferably, the master cylinder assembly includes a cylinder body, a push rod and a return spring, one end of the cylinder body is arranged inside the valve body, an active cavity is opened on the cylinder body, one end of the push rod extends into the active cavity and is movably connected with the cylinder body, the return spring is sleeved on the part of the push rod extending into the cylinder body, the push rod has an arc surface end, and the arc surface end abuts against the inner wall of the active cavity.

[0012] The beneficial effects of the utility model are: the pressure is built up by pushing the plunger through the motor, no vacuum source is required, the pressure building speed is fast, and the rotor position sensor is arranged in connection with the motor to directly collect the speed signal of the motor output shaft, and the speed signal is accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Attached Figure 2 It is a schematic diagram of the structure decomposition of the utility model;

[0016] Attached Figure 3 It is a schematic diagram of the motor and plunger structure;

[0017] Attached Figure 4 This is a schematic diagram of the connection between the magnetic ring and the rotor position sensor;

[0018] Attached Figure 5 It is the schematic diagram of the motor structure;

[0019] Attached Figure 6 This is a schematic diagram of the interior of the valve body;

[0020] Attached Figure 7 It is a cross-sectional view of the plunger structure;

[0021] Attached Figure 8 Schematic diagram of the master cylinder assembly. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model will be further described below in conjunction with the accompanying drawings of the specification.

[0024] The utility model provides the following technical solutions:

[0025] As attached Figure 1-8As shown, the utility model discloses a hydraulic line control system, including a motor 1, a valve body 2, a control box 3 and a master cylinder assembly 4, a plunger 5 is arranged between the motor 1 and the valve body 2, a rotor position sensor 6 is arranged on the plunger 5, a motor limit hole 7 is provided on the motor 1, one end of the rotor position sensor 6 passes through the plunger 5 and extends into the motor limit hole 7 to be connected to the motor 1, and the motor limit hole 7 and the rotor position sensor 6 are interference fit. Specifically, the design builds pressure by pushing the plunger 5 through the motor 1, does not require a vacuum source, and has a fast pressure building speed, and the rotor position sensor 6 is arranged in connection with the motor 1, directly collects the speed signal of the output shaft of the motor 1, and the speed signal is accurate.

[0026] Furthermore, the plunger 5 is arranged on the motor 1 , and there is a clearance fit between the plunger 5 and the motor 1 . A bolt is arranged on the motor 1 , and one end of the bolt passes through the motor 1 and is threadedly connected to the valve body 2 .

[0027] Furthermore, the motor 1 has a motor shaft 8, on which a magnetic ring 9 and a gear 10 are arranged, the magnetic ring 9 and the rotor position sensor 6 are located on the same center line, and the distance between the magnetic ring 9 and the rotor position sensor 6 is 0.6 mm.

[0028] Furthermore, the magnetic ring 9 and the gear 10 are interference fit, the gear 10 and the motor shaft 8 are interference fit, and the magnetic ring 9 has 10 magnetic poles 19 .

[0029] Furthermore, an oil storage channel 11 is provided in the valve body 2, and an oil storage groove 12 and an oil through hole 13 are provided on the plunger 5. Specifically, in this embodiment, the oil storage channel 11 is integrated into the interior of the valve body 2, and the structure is simple; the oil storage groove 12 and the oil through hole 13 provided on the plunger 5 communicate with the outside of the plunger 5 and the inside of the plunger 5, and can prevent the brake fluid from entering the motor 1 and damaging the motor 1.

[0030] Furthermore, a coil frame 20 and a coil shell are provided on one side of the control box 3 close to the valve body 2, and a movable gap is provided between the coil frame and the coil shell, and the distance of the movable gap is 0.2-0.6 mm. Specifically, in this embodiment, a coil is provided on the coil frame 20, and the provision of the movable gap can prevent the enameled wire from being broken when the coil vibrates.

[0031] Further, the master cylinder assembly 4 includes a cylinder body 14, a push rod 15 and a return spring 16, one end of the cylinder body 14 is arranged inside the valve body 2, an active cavity 17 is provided on the cylinder body 14, one end of the push rod 15 extends into the active cavity 17 and is movably connected with the cylinder body 14, the return spring 16 is sleeved on the portion of the push rod 15 extending into the cylinder body 14, the push rod 15 has an arc surface end 18, and the arc surface end 18 abuts against the inner wall of the active cavity 17. Specifically, in this embodiment, the return spring 16 of the master cylinder assembly 4 can ensure that the push rod 15 automatically returns, and the arc surface end 18 on the push rod 15 can reduce the wear caused by the contact between the cavity wall of the active cavity 17 and the push rod 15 during the movement of the master cylinder.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic line control system, characterized in that: It includes a motor, a valve body, a control box and a master cylinder assembly. A plunger is arranged between the motor and the valve body. A rotor position sensor is arranged on the plunger. A motor limiting hole is opened on the motor. One end of the rotor position sensor passes through the plunger and extends into the motor limiting hole to be connected to the motor. The motor limiting hole and the rotor position sensor are interference fit.

2. The hydraulic line control system according to claim 1, characterized in that: The plunger is arranged on the motor, and a clearance fit is formed between the plunger and the motor. A bolt is arranged on the motor, and one end of the bolt passes through the motor and is threadedly connected to the valve body.

3. The hydraulic line control system according to claim 1, characterized in that: The motor has a motor shaft, a magnetic ring and a gear are arranged on the motor shaft, the magnetic ring and the rotor position sensor are located on the same center line, and the distance between the magnetic ring and the rotor position sensor is 0.6 mm.

4. The hydraulic line control system according to claim 3, characterized in that: The magnetic ring and the gear are in interference fit, the gear and the motor shaft are in interference fit, and the magnetic ring has 10 magnetic poles.

5. The hydraulic line control system according to claim 1, characterized in that: The valve body is provided with an oil storage channel, and the plunger is provided with an oil accumulation groove and an oil passage hole.

6. The hydraulic line control system according to claim 1, characterized in that: A coil frame and a coil shell are arranged on one side of the control box close to the valve body. A coil is sleeved on the coil frame. A movable gap is arranged between the coil frame and the coil shell. The distance of the movable gap is 0.2-0.6 mm.

7. The hydraulic line control system according to claim 1, characterized in that: The master cylinder assembly includes a cylinder body, a push rod and a return spring. One end of the cylinder body is arranged inside the valve body. An active cavity is opened on the cylinder body. One end of the push rod extends into the active cavity and is movably connected to the cylinder body. The return spring is sleeved on the part of the push rod extending into the cylinder body. The push rod has an arc surface end, which abuts against the inner wall of the active cavity.

Images