Valve body assembly, braking device and running equipment

Abstract

The embodiment of the utility model discloses a valve body assembly, a brake device and running equipment. The valve body assembly comprises a valve body, a valve rod and a valve rod, the liquid guide channel is formed in the valve body; the first end of the liquid guide channel is located on the top side of the valve body. The first end of the liquid guide channel is used for being communicated with a liquid storage body; the second end of the liquid guide channel is located on the first side of the valve body. The second end of the liquid guide channel is used for being communicated with a wheel body brake; the pressure regulating cavity is formed in the valve body and communicates with the liquid guide channel; an opening of the pressure regulating cavity is located in the first side of the valve body. The valve body assembly further comprises a pressure regulating cavity, and the pressure regulating cavity is formed in the valve body. The valve body can be used as a carrier of the liquid guide channel and a carrier of the pressure regulating cavity; therefore, a carrier structure does not need to be independently arranged for the pressure regulating cavity, the structure of the valve body assembly is greatly simplified, and the adaptive capacity of the valve body assembly is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valve body, in particular to a valve body assembly, a braking device and a traveling device. BACKGROUND

[0002] The braking structure is a common structure of a traveling device such as an automobile, and the traveling device such as an automobile generally realizes braking through the braking structure. In the related art, the form of the valve body structure of the braking structure is single, and the adaptability of the valve body structure is poor. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the embodiments of the present application expect to provide a valve body assembly, a braking device and a traveling device.

[0004] To achieve the above-mentioned purpose, the technical scheme of the present application is as follows:

[0005] The valve body assembly provided by the embodiments of the present application comprises:

[0006] a valve body;

[0007] a liquid guide channel, which is arranged in the valve body; a first end of the liquid guide channel is located at a top side of the valve body; the first end of the liquid guide channel is used for being in communication with a liquid storage body; a second end of the liquid guide channel is located at a first side of the valve body; the second end of the liquid guide channel is used for being in communication with a wheel body brake;

[0008] a pressure regulating cavity, which is arranged in the valve body and is in communication with the liquid guide channel; an opening of the pressure regulating cavity is located at the first side of the valve body.

[0009] In some optional implementation manners, the valve body assembly further comprises:

[0010] a master cylinder cavity, which is arranged in the valve body and is in communication with the liquid guide channel; an opening of the master cylinder cavity is located at a second side of the valve body; wherein the second side of the valve body and the first side of the valve body are adjacently arranged.

[0011] In some optional implementation manners, the valve body assembly further comprises:

[0012] a simulation cavity, which is arranged in the valve body and is in communication with the liquid guide channel; an opening of the simulation cavity is located at a third side of the valve body, and the third side of the valve body and the first side of the valve body are oppositely arranged;

[0013] The simulation cavity is in communication with the master cylinder cavity through the liquid guide channel.

[0014] In some optional implementation manners, the valve body assembly further comprises:

[0015] a connecting pipe body; a middle segment of the liquid guide channel is guided through the connecting pipe body;

[0016] An electromagnetic valve assembly is arranged on the connecting pipe body to control the connection or disconnection of the connecting pipe body.

[0017] In some optional implementations, the valve body further comprises:

[0018] An interface group is arranged on the third side of the valve body; the middle section of the liquid guide channel is connected to the connecting pipe body through the interface group.

[0019] The third side of the valve body is arranged opposite to the first side of the valve body.

[0020] In some optional implementations, the valve body further comprises:

[0021] A sensor interface is arranged on the third side of the valve body and is in communication with the liquid guide channel; the sensor interface is used to detect the liquid pressure in the liquid guide channel.

[0022] In some optional implementations, the first side of the valve body is the left side of the valve body; or, the first side of the valve body is the right side of the valve body.

[0023] The application further provides a brake device comprising the valve body assembly, a master cylinder assembly, a pressure regulating assembly, a liquid storage body and a control assembly of the application; the control assembly is electrically connected to the pressure regulating assembly.

[0024] The valve body comprises a first side and a third side arranged opposite to each other, and a second side arranged adjacent to the first side and the second side respectively; the master cylinder assembly is arranged on the second side of the valve body, part of the pressure regulating assembly is arranged in the pressure regulating cavity through the opening of the pressure regulating cavity; the control assembly is arranged on the third side of the valve body, and the liquid storage body is arranged on the top side of the valve body and is in communication with the first end of the liquid guide channel.

[0025] In some optional implementations, the valve body further comprises:

[0026] A connecting pipe body; the middle section of the liquid guide channel is connected to the connecting pipe body.

[0027] An electromagnetic valve assembly is arranged on the connecting pipe body to control the connection or disconnection of the connecting pipe body; the electromagnetic valve assembly is electrically connected to the control assembly.

[0028] The application further provides a driving device comprising a vehicle body, a wheel body arranged on the vehicle body, a wheel brake arranged at the wheel body and the valve body assembly of the application; the second end of the liquid guide channel is in communication with the wheel brake.

[0029] The valve body assembly of the present application further comprises a pressure regulating cavity which is arranged in the valve body; the valve body can serve as both a carrier of the liquid guiding channel and a carrier of the pressure regulating cavity; thus, a carrier structure for the pressure regulating cavity is not needed, the structure of the valve body assembly is greatly simplified, and the adaptability of the valve body assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 An optional structural schematic diagram of the valve body assembly in the present application;

[0031] Figure 2 Another perspective schematic diagram of Figure 1

[0032] Figure 3 An optional structural schematic diagram of the brake device in the present application;

[0033] Figure 4 Another optional structural schematic diagram of the brake device in the present application;

[0034] Figure 5 Another optional structural schematic diagram of the valve body assembly in the present application;

[0035] Figure 6 Another perspective schematic diagram of Figure 5

[0036] Figure 7 An optional working principle diagram of the brake device.

[0037] Reference signs: 100, valve body; 120, interface group; 130, liquid guiding channel; 131, first end of the liquid guiding channel; 132, second end of the liquid guiding channel; 140, pressure regulating cavity; 150, main cylinder cavity; 160, simulation cavity; 170, sensor interface; 200, pedal; 310, main cylinder assembly; 311, push rod piston; 312, intermediate piston; 313, second spring; 314, first spring; 320, liquid storage body; 330, control assembly; 340, pressure sensor assembly; 350, pressure regulating assembly; 360, electromagnetic valve assembly; 370, pedal feeling simulation assembly; 410, wheel body; 420, wheel body brake. DETAILED DESCRIPTION

[0038] The technical solutions of the present application are further described in detail below in combination with the drawings and specific embodiments.

[0039] ​​In the embodiments of the present application, it should be noted that unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be an electrical connection, or a connection between two elements, or a direct connection, or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above-mentioned term according to the specific circumstances.

[0040] It should be noted that the terms "first", "second", and "third" in the embodiments of the present application are only to distinguish similar objects, and do not represent a specific order of the objects. It can be understood that the "first", "second", and "third" can be interchanged in a specific order or sequence as allowed. It should be understood that the objects distinguished by "first", "second", and "third" can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0041] The following will be described in detail Figures 1 to 7 The valve body assembly and the brake device according to the embodiments of the present application will be described in detail.

[0042] In the embodiments of the present application, the valve body assembly includes a valve body 100, a liquid guide channel 130, and a pressure regulating cavity 140. The liquid guide channel 130 is formed in the valve body 100; a first end 131 of the liquid guide channel is located at a top side of the valve body 100; the first end 131 of the liquid guide channel is used to communicate with a liquid storage body 320; a second end 132 of the liquid guide channel is located at a first side of the valve body 100; the second end 132 of the liquid guide channel is used to communicate with a wheel body brake 420; the pressure regulating cavity 140 is formed in the valve body 100 and communicates with the liquid guide channel 130; an opening of the pressure regulating cavity 140 is located at the first side of the valve body 100.

[0043] In the embodiments of the present application, as shown in Figure 3 and Figure 4 The brake device includes the valve body assembly according to the embodiments of the present application, a master cylinder assembly 310, a pressure regulating assembly 350, a liquid storage body 320, and a control assembly 330; the control assembly 330 is electrically connected with the pressure regulating assembly 350; the valve body 100 includes oppositely arranged first and third sides, and second sides adjacent to the first and second sides, respectively; the master cylinder assembly 310 is arranged at the second side of the valve body 100, and part of the pressure regulating assembly 350 is arranged in the pressure regulating cavity 140 through the opening of the pressure regulating cavity 140; the control assembly 330 is arranged at the third side of the valve body 100, and the liquid storage body 320 is arranged at the top side of the valve body 100 and communicates with the first end 131 of the liquid guide channel.

[0044] In the related art, the structure of the valve body 100 is single, and the adaptability of the valve body 100 is poor. For example, the inside of the valve body 100 is generally only provided with a channel. However, the valve body assembly further includes a pressure regulating cavity 140 provided in the valve body 100, so that the valve body 100 can serve as a carrier of the liquid guide channel 130 and a carrier of the pressure regulating cavity 140, thereby eliminating the need to separately provide a carrier structure for the pressure regulating cavity 140, greatly simplifying the structure of the valve body assembly and improving the adaptability of the valve body assembly.

[0045] In the embodiments of the present application, Figures 1 to 6 The arrows in the above formulae represent directions, L and R represent a set of opposite directions, L represents a left direction, and R represents a right direction; T and B represent a set of opposite directions, T represents a top direction, and R represents a bottom direction. It should be noted that the left, right, top and bottom directions are the general directions of the valve body assembly or the braking device arranged on the running equipment, and are referred to by the driver on the running equipment. That is, when the valve body assembly or the braking device is arranged on the running equipment, and is referred to by the driver on the running equipment, in the above formulae, Figures 1 to 3 The pressure regulating assembly 350 is generally located on the left side of the valve body 100, the control assembly 330 is generally located on the right side of the valve body 100, and the liquid storage body 320 is generally located on the top side of the valve body 100; and in the above formulae, Figures 4 to 6 The pressure regulating assembly 350 is generally located on the right side of the valve body 100, the control assembly 330 is generally located on the left side of the valve body 100, and the liquid storage body 320 is generally located on the top side of the valve body 100.

[0046] In the embodiments of the present application, the structure of the valve body 100 is not limited. For example, as shown in Figure 1 and Figure 2 The valve body 100 can have a cuboid structure.

[0047] The valve body 100 can include oppositely arranged first and third sides, and second sides adjacent to the first and second sides, respectively.

[0048] The first side of the valve body 100 can be the left side of the valve body 100, or the right side of the valve body 100. As an example, as shown in Figures 1 to 3 The first side of the valve body 100 is the left side of the valve body 100, and the third side of the valve body 100 is the right side of the valve body 100. Here, part of the pressure regulating assembly 350 is located on the left side of the valve body 100, and the control assembly 330 is arranged on the right side of the valve body 100. As another example, as shown in Figures 4 to 6 The first side of the valve body 100 is the right side of the valve body 100, and the third side of the valve body 100 is the left side of the valve body 100. Here, part of the pressure regulating assembly 350 is located on the right side of the valve body 100, and the control assembly 330 is arranged on the left side of the valve body 100.

[0049] In the embodiments of the present application, the structure of the pressure regulating assembly 350 is not limited. For example, the pressure regulating assembly 350 can include a hydraulic pump body. The pressure of the first pressure regulating cavity 140 can be adjusted by the hydraulic pump body.

[0050] For another example, the pressure regulating assembly 350 can include a pressure regulating piston, a ball screw and a motor, the ball screw is connected with the output shaft of the motor and the pressure regulating piston respectively, the pressure regulating piston is located in the first pressure regulating cavity 140 through the opening of the first pressure regulating cavity 140, when the motor rotates, the motor drives the ball screw to rotate through the output shaft of the motor, and the ball screw drives the pressure regulating piston to move in the first pressure regulating cavity 140, so as to adjust the pressure of the liquid in the first pressure regulating cavity 140. The motor herein can be a hollow motor or a solid motor.

[0051] In the embodiments of the present application, the control assembly 330 can have a control function, and the control assembly 330 can control the working of the pressure regulating assembly 350. For example, the pressure regulating assembly 350 can include a hydraulic pump body, and the control assembly 330 can control the pressure of the hydraulic pump body to control the pressure of the liquid in the first pressure regulating cavity 140. For another example, the pressure regulating assembly 350 can include a pressure regulating piston, a ball screw and a motor, and the control assembly 330 can control the speed of the motor to control the pressure of the liquid in the first pressure regulating cavity 140.

[0052] In the embodiments of the present application, the second side of the valve body 100 can be the front side or the rear side of the valve body 100. The master cylinder assembly 310 is arranged on the second side of the valve body 100. The structure of the master cylinder assembly 310 is not limited.

[0053] For example, the master cylinder assembly 310 can include an intermediate piston 312, a push rod piston 311, a first spring 314 and a second spring 313. As shown in FIG. 1, the intermediate piston 312 is arranged on the cavity bottom side of the master cylinder cavity 150, the push rod piston 311 is arranged on the opening side of the master cylinder cavity 150, the first spring 314 is located between the intermediate piston 312 and the cavity bottom of the master cylinder cavity 150, and the second spring 313 is located between the intermediate piston 312 and the push rod piston 311. Figure 7 For another example, the master cylinder assembly 310 can include a hydraulic pump body, and the control assembly 330 can control the pressure of the hydraulic pump body to control the pressure of the liquid in the master cylinder cavity 150.

[0054] Here, the push rod piston 311 can be connected with the pedal 200, when the driver steps on the pedal 200, the pressure in the master cylinder cavity 150 increases, when the driver releases the pedal 200, the pressure in the master cylinder cavity 150 decreases, so that the liquid pressure of the master cylinder cavity 150 can be adjusted by the master cylinder assembly 310 to adjust the pressure in the liquid guide channel 130.

[0055] In the embodiments of the present application, the first end 131 of the liquid guide channel is used to communicate with the liquid storage body 320, the liquid storage body 320 has a liquid storage cavity, and the first end 131 of the liquid guide channel is used to communicate with the liquid storage cavity of the liquid storage body 320, so that the liquid in the liquid storage cavity can enter the liquid guide channel 130, or the liquid in the liquid guide channel 130 can enter the liquid storage cavity.

[0056] The structure of the liquid storage body 320 is not limited. For example, the liquid storage body 320 can be a cuboid structure. The liquid storage body 320 and the valve body 100 can be connected by clamping, welding, threaded structure, etc.

[0057] The second end 132 of the liquid guide channel is used to communicate with the wheel body brake 420, so that the liquid in the liquid guide channel 130 can enter the wheel body brake 420, or the liquid in the wheel body brake 420 can enter the liquid guide channel 130.

[0058] In some optional implementations of the embodiments of the present application, the valve body assembly can further include a master cylinder cavity 150, the master cylinder cavity 150 is opened in the valve body 100 and communicates with the liquid guide channel 130, the opening of the master cylinder cavity 150 is located on the second side of the valve body 100, the second side of the valve body 100 and the first side of the valve body 100 are adjacently arranged, by arranging the master cylinder cavity 150 in the valve body 100, the structure of the valve body assembly can be greatly reduced, and a carrier for the master cylinder cavity 150 is not needed.

[0059] In the present implementation, in the case that the brake device includes the master cylinder assembly 310, part of the master cylinder assembly 310 can be arranged in the master cylinder cavity 150 through the opening of the master cylinder cavity 150, so that the pressure of the liquid in the first master cylinder cavity is adjusted by the master cylinder assembly 310, thereby adjusting the pressure in the liquid guide channel 130.

[0060] Of course, in other implementations, the master cylinder cavity 150 can also be arranged outside the valve body 100, at this time, the liquid guide channel 130 can communicate with the master cylinder cavity 150 through a pipe body.

[0061] In the present implementation, the valve body assembly can further include an analog cavity 160, the analog cavity 160 is opened in the valve body 100 and communicates with the liquid guide channel 130, the opening of the analog cavity 160 is located on the third side of the valve body 100, the third side of the valve body 100 and the first side of the valve body 100 are oppositely arranged, the analog cavity 160 communicates with the master cylinder cavity 150 through the liquid guide channel 130, by arranging the analog cavity 160 in the valve body 100, the structure of the valve body assembly can be greatly reduced, and a carrier for the analog cavity 160 is not needed.

[0062] Here, the brake device can further include a pedal feeling simulation assembly 370; the pedal feeling simulation assembly 370 is arranged in the simulation cavity 160; when the driver steps on the pedal 200, the pedal 200 has a certain damping force due to the action of the pedal feeling simulation assembly 370, so that the pedal feeling simulation assembly 370 can provide the driver with the force of the pedal 200.

[0063] Of course, in other implementations, the simulation cavity 160 can also be arranged outside the valve body 100, at which time the liquid guide channel 130 can be communicated with the simulation cavity 160 through a pipe body.

[0064] In some optional implementations of the embodiments of the present application, the valve body assembly can further include a connecting pipe body and a solenoid valve assembly 360. The middle section of the liquid guide channel 130 is guided through the connecting pipe body; the solenoid valve assembly 360 is arranged on the connecting pipe body to control the conduction or disconnection of the connecting pipe body; so that the connecting pipe body and the solenoid valve assembly 360 can realize the control of the conduction or disconnection of the liquid guide channel 130.

[0065] In the present implementation, the solenoid valve assembly 360 can be electrically connected with the control assembly 330, and the solenoid valve assembly 360 can be controlled to work through the control assembly 330, so as to control the conduction or disconnection of the connecting pipe body.

[0066] In the present implementation, the structure of the solenoid valve assembly 360 is not limited. For example, the solenoid valve assembly 360 can include a two-position three-way solenoid valve.

[0067] In the present implementation, the valve body assembly can further include an interface group 120, the interface group 120 is arranged on the third side of the valve body 100; the middle section of the liquid guide channel 130 is guided through the interface group 120 and the connecting pipe body; the connecting pipe body is communicated with the middle section of the liquid guide channel 130 through the interface group 120, and the third side of the valve body 100 is arranged opposite to the first side of the valve body 100.

[0068] Here, the liquid flowing between the first end 131 of the liquid guide channel and the second end 132 of the liquid guide channel passes through the connecting pipe body through the interface group 120, and the conduction or disconnection of the liquid guide channel between the first end 131 of the liquid guide channel and the second end 132 of the liquid guide channel can be controlled through the solenoid valve assembly 360 on the connecting pipe body.

[0069] Of course, in other examples, the interface group 120 can also be arranged at other positions of the valve body 100.

[0070] In some optional implementation of the embodiment of the present application, the valve body assembly can further include a sensor interface 170, which is arranged at the third side of the valve body 100 and communicates with the liquid guide channel 130; the sensor interface 170 is used to detect the liquid pressure in the liquid guide channel 130, and the liquid pressure in the liquid guide channel 130 is detected through the sensor interface 170, so that the liquid pressure value in the liquid guide channel 130 can be more accurately controlled.

[0071] In the implementation, the brake device can further include a pressure sensor assembly 340, which can be electrically connected with the control assembly 330; the pressure sensor assembly 340 is arranged at the sensor interface 170 to detect the liquid pressure in the liquid guide channel 130 of the valve body 100; the pressure detected by the pressure sensor assembly 340 can be used by the control assembly 330 to control the pressure regulating assembly 350 to adjust the pressure, so that the liquid flowing from the first end of the liquid guide channel 130 to the wheel body brake 420 has a suitable pressure, thereby providing a suitable braking force for the wheel body brake 420.

[0072] In the implementation, the structure of the pressure sensor assembly 340 is not limited. For example, the pressure sensor assembly 340 can include two pressure sensors, as shown in Figure 7 .

[0073] It should be noted that, in order to clearly see the internal structure of the valve body 100, Figure 1 , Figure 2 , Figure 5 and Figure 6 are perspective views.

[0074] In an application, as shown in the hydraulic working principle diagram of Figure 7 , the brake device of the present application is a One-box, as shown in Figure 7 , the brake device can automatically provide hydraulic braking force through the control assembly 330 and the pressure regulating assembly 350, and can also provide hydraulic braking force in a mechanical manner through the master cylinder assembly 310.

[0075] The embodiment of the present application also discloses a running device, which includes a vehicle body, a wheel body 410 arranged on the vehicle body, a wheel body brake 420 arranged on the wheel body 410, and the valve body assembly of the embodiment of the present application; the second end 132 of the liquid guide channel communicates with the wheel body brake 420.

[0076] In the embodiment of the present application, the structure of the running device is not limited. For example, the running device can be a car.

[0077] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A valve body assembly, characterized by, The valve body comprises: a valve body; a liquid guide channel formed in the valve body; a first end of the liquid guide channel is located at a top side of the valve body; the first end of the liquid guide channel is used for communicating with a liquid storage body; a second end of the liquid guide channel is located at a first side of the valve body; the second end of the liquid guide channel is used for communicating with a wheel body brake; a pressure regulating cavity formed in the valve body and communicating with the liquid guide channel; an opening of the pressure regulating cavity is located at the first side of the valve body.

2. The valve body assembly of claim 1, wherein, Further comprising: a master cylinder cavity formed in the valve body and communicating with the liquid guide channel; an opening of the master cylinder cavity is located at a second side of the valve body; the second side of the valve body and the first side of the valve body are adjacently arranged.

3. The valve body assembly of claim 2, wherein, Further comprising: an analog cavity formed in the valve body and communicating with the liquid guide channel; an opening of the analog cavity is located at a third side of the valve body, the third side of the valve body and the first side of the valve body are oppositely arranged; the analog cavity communicates with the master cylinder cavity through the liquid guide channel.

4. The valve body assembly of claim 1, wherein, Further comprising: a connecting pipe body; a middle segment of the liquid guide channel is guided through the connecting pipe body; an electromagnetic valve assembly arranged on the connecting pipe body to control the conduction or disconnection of the connecting pipe body.

5. The valve body assembly of claim 4, wherein, Further comprising: an interface group arranged on the third side of the valve body; a middle segment of the liquid guide channel is guided through the interface group and the connecting pipe body; the third side of the valve body and the first side of the valve body are oppositely arranged.

6. The valve body assembly of claim 1, wherein, Further comprising: a sensor interface arranged on the third side of the valve body and communicating with the liquid guide channel; the sensor interface is used for detecting the liquid pressure in the liquid guide channel.

7. The valve body assembly of any one of claims 1 to 6, wherein, The first side of the valve body is the left side of the valve body; or, the first side of the valve body is the right side of the valve body.

8. A brake device characterized by comprising: The valve body assembly, the master cylinder assembly, the pressure regulating assembly, the liquid storage body and the control assembly are comprised in any one of claims 1 to 7; the control assembly is electrically connected with the pressure regulating assembly; the valve body comprises oppositely arranged first and third sides, and a second side adjacently arranged with the first and second sides respectively; the master cylinder assembly is arranged on the second side of the valve body, part of the pressure regulating assembly is arranged in the pressure regulating cavity through the opening of the pressure regulating cavity; the control assembly is arranged on the third side of the valve body, and the liquid storage body is arranged on the top side of the valve body and communicates with the first end of the liquid guide channel.

9. The brake device according to claim 8, characterized in that Further comprising: a connecting pipe body; a middle segment of the liquid guide channel is guided through the connecting pipe body; an electromagnetic valve assembly arranged on the connecting pipe body to control the conduction or disconnection of the connecting pipe body; the electromagnetic valve assembly is electrically connected with the control assembly.

10. A traveling apparatus characterized by comprising: The vehicle body, the wheel body arranged on the vehicle body, the wheel body brake arranged at the wheel body and the valve body assembly of any one of claims 1 to 7 are comprised; the second end of the liquid guide channel communicates with the wheel body brake. ​

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