Electric control multi-way valve with emergency structure

By designing emergency structures and solenoid emergency control valves in multiple valves, the problem that existing multiple valves cannot stop operating in time when they are damaged is solved, and the oil circuit is disconnected in unexpected situations is achieved, and the damage to parts is avoided.

CN119267358AInactive Publication Date: 2025-01-07JIANGSU TAIPU POWER EQUIP CO LTD
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Patent Information

Application Number
CN202411337590.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-01-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing multi-channel valve lacks emergency structure, which makes it impossible to stop operating in time when it is damaged, which may cause damage to other components.

Method used

An electrically controlled multi-channel valve with an emergency structure is designed, including multiple valve cores, hydraulic oil pipelines and emergency structures. The oil circuit is disconnected in unexpected situations through the electromagnetic emergency control valve to prevent abnormal propagation.

Benefits of technology

It realizes the timely stopping of the operation of multiple valves in unexpected situations, avoiding damage to large-area parts, ensuring that each oil circuit operates independently, and avoiding abnormal effects on other oil circuits and components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electric control multi-way valve with an emergency structure, and relates to the technical field of multi-way valves, the electric control multi-way valve comprises a valve body and a first emergency structure, one side of the valve body is provided with a first valve core, one side of the first valve core is provided with a second valve core, the valve body is internally provided with a first hydraulic oil way pipeline, and the first hydraulic oil way pipeline is provided with a second hydraulic oil way pipeline. A second hydraulic oil way pipeline is installed on one side of the first hydraulic oil way pipeline, meanwhile, a third hydraulic oil way pipeline is installed on the side, away from the first hydraulic oil way pipeline, of the second hydraulic oil way pipeline, a second emergency structure is installed on one side of the first emergency structure, and the first emergency structure is installed on a third valve element. A third emergency structure is installed on the side, away from the first emergency structure, of the second emergency structure. The multi-way valve is provided with an emergency structure, operation of the multi-way valve can be stopped in time when an accident occurs, all oil ways in the multi-way valve are disconnected, and the situation that large-area parts are damaged due to continuous operation at the damaged position is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of multi-way valves, in particular to an electrically controlled multi-way valve with an emergency structure. Background Art

[0002] The multi-way valve adopts a unified modular design, which can provide reliable system solutions for the manufacturers of engineering vehicles. Users can combine the valve body in different ways according to functional requirements, which is simple and reliable. It can be a simple load-sensitive manual multi-way valve, or an electronically controlled proportional control valve with non-saturation function that is independent of load and pump flow.

[0003] In the prior art, the multi-way valve does not have an emergency structure. Once it is damaged during use, it cannot stop operating in time, which leads to damage to other components.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an electric-controlled multi-way valve with an emergency structure is proposed. Summary of the invention

[0005] The object of the present invention is to provide an electrically controlled multi-way valve with an emergency structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an electrically controlled multi-way valve with an emergency structure, comprising a valve body and a first emergency structure, a first valve core is installed on one side of the valve body, a second valve core is installed on one side of the first valve core, and a third valve core is installed on a side of the second valve core away from the first valve core, a first cam is installed on a side of the valve body away from the first valve core, a second cam is installed on one side of the first cam, and a third cam is installed on a side of the second cam away from the first cam; Among them, a first hydraulic oil circuit pipeline is installed inside the valve body, and a second hydraulic oil circuit pipeline is installed on one side of the first hydraulic oil circuit pipeline, and a third hydraulic oil circuit pipeline is installed on the side of the second hydraulic oil circuit pipeline away from the first hydraulic oil circuit pipeline, a second emergency structure is installed on one side of the first emergency structure, and the first emergency structure is installed on the third valve core, and a third emergency structure is installed on the side of the second emergency structure away from the first emergency structure.

[0007] Furthermore, a bolt hole for fixing is installed on one side of the valve body, and a sealing nut is installed on the surface of the valve body.

[0008] Furthermore, a first centering spring is installed on one side of the first hydraulic oil pipeline, a second centering spring is installed on one side of the second hydraulic oil pipeline, and a third centering spring is installed on one side of the third hydraulic oil pipeline.

[0009] Furthermore, screws for installation are installed around the sides of the valve body.

[0010] Furthermore, the first emergency structure, the second emergency structure and the third emergency structure have the same structure, and a first buffer spring is installed between the first emergency structure and the second emergency structure and between the second emergency structure and the third emergency structure.

[0011] Furthermore, the first emergency structure includes an emergency pipe, an electromagnetic emergency control valve, an upper sealing ring and a lower sealing ring, wherein an electromagnetic emergency control valve is installed inside the emergency pipe, and an upper sealing ring is installed at one end of the emergency pipe, and a lower sealing ring is installed at the end of the emergency pipe away from the upper sealing ring.

[0012] Furthermore, a fourth emergency structure is installed inside the valve body and connected to the first cam, a fifth emergency structure is installed on one side of the fourth emergency structure, and a sixth emergency structure is installed on the side of the fifth emergency structure away from the fourth emergency structure.

[0013] Furthermore, a second buffer spring is installed between the fourth emergency structure and the fifth emergency structure, and between the fifth emergency structure and the sixth emergency structure.

[0014] Furthermore, the first emergency structure, the second emergency structure, the third emergency structure, the fourth emergency structure, the fifth emergency structure and the sixth emergency structure are of the same structure.

[0015] The present invention provides an electrically controlled multi-way valve with an emergency structure, which has the following beneficial effects: the emergency structure can stop the operation of the multi-way valve in time when an accident occurs, and disconnect each oil circuit in the multi-way valve, so as to avoid the damage to a large area of ​​parts due to continued operation of the damaged part; In the event of an accident, the first emergency structure, the second emergency structure, the third emergency structure, the fourth emergency structure, the fifth emergency structure and the sixth emergency structure are disconnected respectively through the electromagnetic emergency control valve to keep each oil circuit disconnected. Once an abnormality occurs in one place, it will not affect other oil circuits and components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall cross-sectional front view of an electrically controlled multi-way valve with an emergency structure of the present invention; Figure 2 It is a schematic diagram of a top view of an electrically controlled multi-way valve with an emergency structure according to the present invention; Figure 3 The present invention is an electrically controlled multi-way valve with an emergency structure Figure 1 The enlarged structural diagram at A in the middle; Figure 4The present invention is an electrically controlled multi-way valve with an emergency structure Figure 1 The enlarged structural diagram at B in the middle; Figure 5 The present invention is a schematic structural diagram of a first emergency structure of an electrically controlled multi-way valve with an emergency structure.

[0017] In the figure: 1. valve body; 2. bolt hole; 3. sealing nut; 4. first valve core; 5. second valve core; 6. third valve core; 7. first cam; 8. second cam; 9. third cam; 10. first hydraulic oil pipeline; 11. second hydraulic oil pipeline; 12. third hydraulic oil pipeline; 13. first centering spring; 14. second centering spring; 15. third centering spring; 16. screw; 17. first emergency structure; 1701. emergency pipeline; 1702. electromagnetic emergency control valve; 1703. upper sealing ring; 1704. lower sealing ring; 18. second emergency structure; 19. third emergency structure; 20. first buffer spring; 21. fourth emergency structure; 22. fifth emergency structure; 23. sixth emergency structure; 24. second buffer spring. DETAILED DESCRIPTION

[0018] See also Figures 1 to 5 The present invention provides a technical solution: an electrically controlled multi-way valve with an emergency structure, comprising a valve body 1 and a first emergency structure 17, a first valve core 4 is installed on one side of the valve body 1, a second valve core 5 is installed on one side of the first valve core 4, and a third valve core 6 is installed on the side of the second valve core 5 away from the first valve core 4, a first cam 7 is installed on the side of the valve body 1 away from the first valve core 4, a second cam 8 is installed on one side of the first cam 7, and a third cam 9 is installed on the side of the second cam 8 away from the first cam 7; Among them, a first hydraulic oil circuit pipeline 10 is installed inside the valve body 1, and a second hydraulic oil circuit pipeline 11 is installed on one side of the first hydraulic oil circuit pipeline 10, and a third hydraulic oil circuit pipeline 12 is installed on the side of the second hydraulic oil circuit pipeline 11 away from the first hydraulic oil circuit pipeline 10, a second emergency structure 18 is installed on one side of the first emergency structure 17, and the first emergency structure 17 is installed on the third valve core 6, and a third emergency structure 19 is installed on the side of the second emergency structure 18 away from the first emergency structure 17.

[0019] A bolt hole 2 for fixing is installed on one side of the valve body 1 , and a sealing nut 3 is installed on the surface of the valve body 1 .

[0020] A first centering spring 13 is installed on one side of the first hydraulic oil pipeline 10 , a second centering spring 14 is installed on one side of the second hydraulic oil pipeline 11 , and a third centering spring 15 is installed on one side of the third hydraulic oil pipeline 12 .

[0021] Screw rods 16 for installation are installed around the sides of the valve body 1.

[0022] The first emergency structure 17 , the second emergency structure 18 and the third emergency structure 19 have the same structure, and a first buffer spring 20 is installed between the first emergency structure 17 and the second emergency structure 18 and between the second emergency structure 18 and the third emergency structure 19 .

[0023] The first emergency structure 17 includes an emergency pipeline 1701, an electromagnetic emergency control valve 1702, an upper sealing ring 1703 and a lower sealing ring 1704, wherein the electromagnetic emergency control valve 1702 is installed inside the emergency pipeline 1701, and the upper sealing ring 1703 is installed at one end of the emergency pipeline 1701, and the lower sealing ring 1704 is installed at the end of the emergency pipeline 1701 away from the upper sealing ring 1703.

[0024] A fourth emergency structure 21 is also installed inside the valve body 1 and connected to the first cam 7 . A fifth emergency structure 22 is installed on one side of the fourth emergency structure 21 , and a sixth emergency structure 23 is installed on the side of the fifth emergency structure 22 away from the fourth emergency structure 21 .

[0025] A second buffer spring 24 is installed between the fourth emergency structure 21 and the fifth emergency structure 22 and between the fifth emergency structure 22 and the sixth emergency structure 23 .

[0026] The first emergency structure 17 , the second emergency structure 18 , the third emergency structure 19 , the fourth emergency structure 21 , the fifth emergency structure 22 and the sixth emergency structure 23 have the same structure.

[0027] In summary, when using the electrically controlled multi-way valve with an emergency structure, first open the sealing nut 3 to inject oil into the interior of the valve body 1 and then seal the sealing nut 3, and install the device in a suitable position and fix it by the screw 16. Since the first valve core 4, the second valve core 5 and the third valve core 6 correspond to the first cam 7, the second cam 8 and the third cam 9 respectively, when using it, the flow direction and flow rate of the oil are adjusted by different combination materials; Since the first emergency structure 17, the second emergency structure 18, the third emergency structure 19, the fourth emergency structure 21, the fifth emergency structure 22 and the sixth emergency structure 23 have the same structure, when an accident occurs, the first emergency structure 17, the second emergency structure 18, the third emergency structure 19, the fourth emergency structure 21, the fifth emergency structure 22 and the sixth emergency structure 23 are disconnected respectively through the electromagnetic emergency control valve 1702, so that each oil circuit remains disconnected, and once an abnormality occurs in one place, it will not affect other oil circuits and components.

[0028] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An electrically controlled multi-way valve with an emergency structure, characterized in that: The valve body (1) comprises a valve core (4) and a first emergency structure (17); a first valve core (4) is mounted on one side of the valve body (1); a second valve core (5) is mounted on one side of the first valve core (4); a third valve core (6) is mounted on the side of the second valve core (5) away from the first valve core (4); a first cam (7) is mounted on the side of the valve body (1) away from the first valve core (4); a second cam (8) is mounted on one side of the first cam (7); and a third cam (9) is mounted on the side of the second cam (8) away from the first cam (7); The valve body (1) is provided with a first hydraulic oil pipeline (10) installed inside, and a second hydraulic oil pipeline (11) is installed on one side of the first hydraulic oil pipeline (10), and a third hydraulic oil pipeline (12) is installed on the side of the second hydraulic oil pipeline (11) away from the first hydraulic oil pipeline (10), a second emergency structure (18) is installed on one side of the first emergency structure (17), and the first emergency structure (17) is installed on the third valve core (6), and a third emergency structure (19) is installed on the side of the second emergency structure (18) away from the first emergency structure (17).

2. The electrically controlled multi-way valve with an emergency structure according to claim 1, characterized in that: A bolt hole (2) for fixing is installed on one side of the valve body (1), and a sealing nut (3) is installed on the surface of the valve body (1).

3. The electrically controlled multi-way valve with an emergency structure according to claim 1, characterized in that: A first centering spring (13) is installed on one side of the first hydraulic oil pipeline (10), a second centering spring (14) is installed on one side of the second hydraulic oil pipeline (11), and a third centering spring (15) is installed on one side of the third hydraulic oil pipeline (12).

4. The electrically controlled multi-way valve with an emergency structure according to claim 1, characterized in that: Screw rods (16) for installation are installed around the sides of the valve body (1).

5. The electrically controlled multi-way valve with an emergency structure according to claim 1, characterized in that: The first emergency structure (17), the second emergency structure (18) and the third emergency structure (19) have the same structure, and a first buffer spring (20) is installed between the first emergency structure (17) and the second emergency structure (18) and between the second emergency structure (18) and the third emergency structure (19).

6. The electrically controlled multi-way valve with an emergency structure according to claim 5, characterized in that: The first emergency structure (17) comprises an emergency pipeline (1701), an electromagnetic emergency control valve (1702), an upper sealing ring (1703) and a lower sealing ring (1704), wherein the electromagnetic emergency control valve (1702) is installed inside the emergency pipeline (1701), and the upper sealing ring (1703) is installed at one end of the emergency pipeline (1701), and the lower sealing ring (1704) is installed at the end of the emergency pipeline (1701) away from the upper sealing ring (1703).

7. The electrically controlled multi-way valve with an emergency structure according to claim 1, characterized in that: A fourth emergency structure (21) is also installed inside the valve body (1), and the fourth emergency structure (21) is connected to the first cam (7); a fifth emergency structure (22) is installed on one side of the fourth emergency structure (21), and a sixth emergency structure (23) is installed on a side of the fifth emergency structure (22) away from the fourth emergency structure (21).

8. The electrically controlled multi-way valve with an emergency structure according to claim 7, characterized in that: A second buffer spring (24) is installed between the fourth emergency structure (21) and the fifth emergency structure (22), and between the fifth emergency structure (22) and the sixth emergency structure (23).

9. The electrically controlled multi-way valve with an emergency structure according to claim 8, characterized in that: The first emergency structure (17), the second emergency structure (18), the third emergency structure (19), the fourth emergency structure (21), the fifth emergency structure (22) and the sixth emergency structure (23) have the same structure.