An integrated multi-channel directional control valve

Abstract

The utility model discloses an integrated multi -pass commutating valve, its characterized in that: including built -in multi -pass integrated valve body, integrated valve cover that integrated valve body is connected, set up in integrated valve cover bottom for the oil inlet several check valves and be used for the oil return pipe of oil return, set up integrated valve body through oil circuit and several check valves one -to -one communication several oil outlet ports on, set up integrated valve body through oil circuit and the communication several oil return ports of oil return pipe, the utility model discloses a plurality of oil inlet pipeline and several oil return pipeline set up in integrated valve body, and the pipeline of multiple commutating valves is integrated together, reduces the risk of leakage, and the volume of commutating valve is reduced to reduce production cost, through the setting of integrated valve cover, and integrated valve body cooperation, distinguish from the multi -pass commutating valve of traditional parallel or series form, and several commutating valves are integrated into a main body, realize multi -pass commutation through multi -pass.

Description

Technical Field

[0001] This utility model relates to the field of directional valve technology, specifically an integrated multi-channel directional valve. Background Technology

[0002] Traditional multi-channel directional control valves combine multiple directional control valves in parallel or series, with the series method being more commonly used. This involves operating one or more directional control levers to switch the operation of multiple valves. When using a single lever, multiple valves need to be connected in series via a shaft, which carries a high risk of oil leakage. When using multiple levers, the operation requires continuous operation of the handles on multiple valves to control the switching of each valve, which is complex, cannot allow simultaneous oil output or return, and has a time difference between output and return. Furthermore, it is bulky and costly. Therefore, an integrated multi-channel directional control valve is proposed. Utility Model Content

[0003] The main purpose of this utility model is to provide a solution that can effectively address the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an integrated multi-channel reversing valve, characterized in that it includes an integrated valve body with built-in multi-channels, an integrated valve cover connected to the integrated valve body, several one-way valves for oil inlet and a return oil pipe for oil return located at the bottom of the integrated valve cover, several oil outlet ports connected to the several one-way valves one by one via oil passages on the integrated valve body, several oil return ports connected to the return oil pipe via oil passages on the integrated valve body, a reversing assembly located on the integrated valve cover and passing through the integrated valve cover for reversing, and a throttle valve located on the integrated valve body for controlling flow rate; the integrated valve body is provided with several oil inlet pipes connected to the several oil outlet ports and several oil return pipes connected to the several oil return ports; the reversing assembly includes an oil distribution plate, and oil inlet or outlet is controlled by rotating the oil distribution plate.

[0005] Preferably, the reversing assembly further includes a handle seat disposed on the integrated valve cover, a handle connected to the handle seat, a rotating shaft passing through the integrated valve cover and connected at one end to the handle seat and at the other end to the oil distribution plate, and a pin and ball disposed on the handle seat.

[0006] Preferably, the oil distribution plate is provided with a plurality of oil inlet holes that are connected to a plurality of oil outlet ports through a plurality of oil inlet pipes, and a plurality of oil return holes that are connected to a plurality of oil return ports through a plurality of oil return pipes.

[0007] Preferably, the integrated valve cover is provided with an arc-shaped groove adapted to the pin, a positioning hole adapted to the ball, an oil inlet hole adapted to the check valve, and an oil return hole adapted to the oil return pipe.

[0008] Preferably, a connecting plate for connecting to the oil distribution plate is provided between the integrated valve body and the integrated valve cover.

[0009] Preferably, the connecting plate and the integrated valve body are also provided with several oil inlet holes and several oil return holes.

[0010] Preferably, the bottom of the integrated valve cover is provided with a mounting plate for installing a one-way valve, and the mounting plate is provided with sealing gaskets at both the top and bottom.

[0011] Preferably, the integrated valve body is equipped with a pressure gauge connected to the oil inlet pipeline for real-time monitoring of hydraulic oil pressure.

[0012] Preferably, the integrated valve cover is provided with several safety valves on both sides to control pressure.

[0013] This utility model has the following beneficial effects: By setting several inlet oil lines and several return oil lines in the integrated valve body, the pipelines of multiple directional valves are integrated together, reducing the risk of leakage and reducing the size of the directional valve, thereby reducing production costs; by setting an integrated valve cover, in conjunction with the integrated valve body, unlike the traditional parallel or series multi-way directional valves, multiple directional valves are integrated into one main body, and multi-way directional switching is achieved through multiple channels; furthermore, by rotating the oil distribution plate, rapid switching between multiple oil outlets and multiple oil returns is achieved, supporting multiple hydraulic devices to work synchronously or individually, improving work efficiency; by setting a throttle valve, the flow rate of hydraulic oil can be controlled, and one or more channels can be controlled for oil outlet, facilitating the use of single or multiple hydraulic devices and increasing the scope of application;

[0014] By using a pin and ball joint, each time the handle is operated, the handle seat, shaft, and distribution plate are rotated. The pin slides in the arc groove of the integrated valve cover, and the ball joint slides into the positioning hole of the integrated valve cover, limiting the rotation position of the distribution plate. This ensures that the oil inlet hole on the distribution plate is aligned with the oil inlet hole on the connecting plate, preventing overtravel when the control handle rotates the distribution plate, which would cause the oil inlet and return holes on the distribution plate to misalign and affect oil output. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is an overall top view of the present invention;

[0017] Figure 3 This is a schematic diagram of the integrated valve body structure of this utility model;

[0018] Figure 4 This is a cross-sectional view of the integrated valve body of this utility model;

[0019] Figure 5This utility model relates to an integrated valve cover. Figure 1 ;

[0020] Figure 6 This utility model relates to an integrated valve cover. Figure 2 ;

[0021] Figure 7 This is a schematic diagram of the commutation component structure of this utility model;

[0022] Figure 8 This is a schematic diagram of the connecting plate structure of this utility model;

[0023] Figure 9 This is a partial enlarged view of the present invention.

[0024] Legend: 1. Integrated valve body; 2. Integrated valve cover; 201. Arc groove; 202. Positioning hole; 203. Oil inlet; 204. Oil return hole; 3. Check valve; 4. Oil return pipe; 5. Oil outlet port; 6. Oil return port; 7. Reversing assembly; 71. Oil distribution plate; 72. Handle seat; 73. Handle; 74. Shaft; 75. Pin; 76. Ball bearing; 8. Oil inlet pipe; 9. Oil return pipe; 10. Pressure gauge; 11. Safety valve; 12. Mounting plate; 13. Sealing gasket; 14. Connecting plate; 15. Throttle valve. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] like Figure 1-9As shown, an integrated multi-channel directional control valve is characterized by: an integrated valve body 1 with built-in multi-channels; an integrated valve cover 2 connected to the integrated valve body 1; a plurality of one-way valves 3 for oil inlet and a return oil pipe 4 for oil return, disposed at the bottom of the integrated valve cover 2; a plurality of oil outlet ports 5 disposed on the integrated valve body 1 and connected to the plurality of one-way valves 3 via oil passages; a plurality of oil return ports 6 disposed on the integrated valve body 1 and connected to the return oil pipe 4 via oil passages; a directional control assembly 7 disposed on the integrated valve cover 2 and passing through the integrated valve cover 2 for directional control; and a throttle valve 15 disposed on the integrated valve body 1 for controlling flow rate; the integrated valve body 1 is provided with a plurality of oil inlet pipes 8 connected to the plurality of oil outlet ports 5 and a plurality of oil return pipes 9 connected to the plurality of oil return ports 6; the directional control assembly 7 includes an oil distribution plate 71, which controls oil inlet or return by rotating the oil distribution plate 71; by arranging the plurality of oil inlet pipes 8 and the plurality of oil return pipes 9 inside the integrated valve body 1, multiple directional controls are achieved. The valve piping is integrated, reducing the risk of leakage and shrinking the size of the directional valve, thereby reducing production costs. The integrated valve cover 2, in conjunction with the integrated valve body 1, distinguishes it from traditional parallel or series multi-way directional valves by integrating multiple directional valves into a single unit, achieving multi-way directional control through multiple channels. Furthermore, the rotating distribution plate 71 enables rapid switching between multiple oil outlets and multiple oil return points, supporting simultaneous or individual operation of multiple hydraulic devices and improving work efficiency. The throttle valve 15 controls the flow rate of hydraulic oil and can also control the oil outlet of one or more channels, facilitating the use of single or multiple hydraulic devices and increasing its application range.

[0027] In one embodiment, the reversing assembly 7 further includes a handle seat 72 disposed on the integrated valve cover 2, a handle 73 connected to the handle seat 72, a rotating shaft 74 passing through the integrated valve cover 2 with one end connected to the handle seat 72 and the other end connected to the oil distribution plate 71, and a pin 75 and a ball bearing 76 disposed on the handle seat 72; the oil distribution plate 71 is provided with a plurality of oil inlet holes 203 connected to a plurality of oil outlet ports 5 through a plurality of oil inlet pipes 8, and a plurality of oil return holes 204 connected to a plurality of oil return ports 6 through a plurality of oil return pipes 9.

[0028] In one embodiment, the integrated valve cover 2 is provided with an arc-shaped groove 201 adapted to the pin 75, a positioning hole 202 adapted to the ball 76, an oil inlet hole 203 adapted to the one-way valve 3, and an oil return hole 204 adapted to the oil return pipe 4. Through the setting of the pin 75 and the ball 76, each time the handle 73 is operated, the handle seat 72, the rotating shaft 74 and the oil distribution plate 71 are rotated. The pin 75 slides in the arc-shaped groove 201 of the integrated valve cover 2, and the ball 76 slides into the positioning hole 202 of the integrated valve cover 2, which limits the rotation position of the oil distribution plate 71, thereby ensuring that the oil inlet hole 203 on the oil distribution plate 71 is aligned with the oil inlet hole 203 on the connecting plate 14. This avoids overtravel when the handle 73 drives the oil distribution plate 71 to rotate, which would cause the oil inlet hole 203 and the oil return hole 204 on the oil distribution plate 71 to be misaligned and affect the oil output.

[0029] In one embodiment, a connecting plate 14 connected to the oil distribution plate 71 is provided between the integrated valve body 1 and the integrated valve cover 2; the connecting plate 14 and the integrated valve body 1 are also provided with a plurality of oil inlet holes 203 and a plurality of oil return holes 204; the oil inlet holes 203 and oil return holes 204 on the connecting plate 14 and the oil inlet holes 203 and oil return holes 204 on the integrated valve body 1 are aligned.

[0030] In one embodiment, the bottom of the integrated valve cover 2 is provided with a mounting plate 12 for installing a one-way valve 3, and the mounting plate 12 and its upper and lower surfaces are provided with sealing gaskets 13; this reduces the risk of leakage between the connecting parts and increases the overall sealing performance of the reversing valve.

[0031] In one embodiment, the integrated valve body 1 is provided with a pressure gauge 10 connected to the oil inlet pipeline 8 for real-time monitoring of hydraulic oil pressure; the integrated valve cover 2 is provided with several safety valves 11 on both sides to control pressure; when the pressure displayed by the pressure gauge 10 is too high, the pressure of the hydraulic oil in the pipeline can be reduced by adjusting the safety valves 11, thereby protecting the connected hydraulic equipment so that it can operate stably.

[0032] When this utility model is in use, when the handle 73 is rotated to side A, the handle seat 72 is rotated. The ball bearing 76 on the handle seat 72 slides into the corresponding positioning hole 202 on the integrated valve cover 2. The pin 75 slides in the arc groove 201 and drives the rotating shaft 74 and the oil distribution plate 71 to rotate. The oil inlet hole 203 on the oil distribution plate 71 is aligned with the oil inlet hole 203 on the connecting plate 14 and the oil inlet hole 203 on the integrated valve body 1. The hydraulic oil enters from the check valve 3, passes through the oil inlet hole 203 on the oil distribution plate 71, passes through the oil inlet hole 203 on the connecting plate 14, and then enters the oil inlet hole 203 on the integrated valve body 1. The throttle valve 15 corresponding to each oil outlet port 5 is controlled, so that the hydraulic oil enters the hydraulic equipment from each corresponding oil outlet port 5 along several oil inlet pipes 8 on the integrated valve body 1.

[0033] When the oil returns, when the handle 73 is turned to side B, the handle seat 72 is rotated. The ball 76 on the handle seat 72 slides into the corresponding positioning hole 202 on the integrated valve cover 2. The pin 75 slides in the arc groove 201, which drives the rotating shaft 74 and the distribution plate 71 to rotate. The return oil hole 204 on the distribution plate 71 is aligned with the return oil hole 204 on the connecting plate 14 and the return oil hole 204 on the integrated valve body 1. Then, several return oil ports 6 are connected to the hydraulic equipment. The hydraulic oil enters from the return oil port 6 through the oil pipe, flows out from the return oil hole 204 on the integrated valve body 1 along several oil outlet pipes 9 set in the integrated valve body 1, enters the return oil hole 204 on the distribution plate 71 through the return oil hole 204 on the connecting plate 14, enters the integrated valve cover 2, and then enters the cylinder from the return oil hole 204 in the integrated valve cover 2 along the oil outlet pipe 4.

[0034] When handle 73 is turned to the middle position, oil delivery and return stop.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated multi-channel directional valve, characterized in that: The system includes an integrated valve body (1) with built-in multi-channel, an integrated valve cover (2) connected to the integrated valve body (1), several one-way valves (3) for oil inlet and a return oil pipe (4) for oil return, several oil outlet ports (5) connected to the several one-way valves (3) one by one on the integrated valve body (1) through an oil circuit, several return oil ports (6) connected to the return oil pipe (4) on the integrated valve body (1) through an oil circuit, a reversing assembly (7) for reversing on the integrated valve cover (2) and passing through the integrated valve cover (2), and a throttle valve (15) for controlling the flow rate on the integrated valve body (1); the integrated valve body (1) is provided with several oil inlet pipes (8) connected to several oil outlet ports (5) and several return oil pipes (9) connected to several return oil ports (6); the reversing assembly (7) includes an oil distribution plate (71), and the oil outlet or return is controlled by rotating the oil distribution plate (71).

2. The integrated multi-channel directional valve according to claim 1, characterized in that: The reversing assembly (7) further includes a handle seat (72) disposed on the integrated valve cover (2), a handle (73) connected to the handle seat (72), a rotating shaft (74) passing through the integrated valve cover (2) with one end connected to the handle seat (72) and the other end connected to the oil distribution plate (71), and a pin (75) and a ball (76) disposed on the handle seat (72).

3. An integrated multi-channel directional valve according to claim 2, characterized in that: The oil distribution plate (71) is provided with a plurality of oil inlet holes (203) that are connected to a plurality of oil outlet ports (5) through a plurality of oil inlet pipes (8), and a plurality of oil return holes (204) that are connected to a plurality of oil return ports (6) through a plurality of oil return pipes (9).

4. An integrated multi-channel directional valve according to claim 1, characterized in that: The integrated valve cover (2) is provided with an arc groove (201) adapted to the pin (75), a positioning hole (202) adapted to the ball (76), an oil inlet hole (203) adapted to the check valve (3), and an oil return hole (204) adapted to the oil return pipe (4).

5. An integrated multi-channel directional valve according to claim 1, characterized in that: The integrated valve body (1) and the integrated valve cover (2) are provided with a connecting plate (14) that is connected to the oil distribution plate (71).

6. An integrated multi-channel directional valve according to claim 5, characterized in that: The connecting plate (14) and the integrated valve body (1) are also provided with several oil inlet holes (203) and several oil return holes (204).

7. An integrated multi-channel directional valve according to claim 5, characterized in that: The integrated valve cover (2) is provided with a mounting plate (12) for installing a one-way valve (3) at the bottom, and the mounting plate (12) is provided with sealing gaskets (13) on both the top and bottom.

8. An integrated multi-channel directional valve according to claim 5, characterized in that: The integrated valve body (1) is equipped with a pressure gauge (10) that is connected to the oil inlet pipe (8) for real-time monitoring of hydraulic oil pressure.

9. An integrated multi-channel directional valve according to claim 7, characterized in that: The integrated valve cover (2) is provided with several safety valves (11) on both sides to control the pressure.

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