Joint for on-off solenoid valve and method for regulating on-off solenoid valve

Abstract

The present disclosure provides a joint for switching electromagnetic valve and a regulating method of switching electromagnetic valve, and belongs to the technical field of electric power equipment. The joint comprises a shell and a toggle switch, the first part of the toggle switch is located in the shell, the second part of the toggle switch is located outside the shell, and the toggle switch is movably connected with the shell to switch between a first state and a second state; when the toggle switch is in the first state, the toggle switch is electrically connected with the power supply and the switching electromagnetic valve to form a closed loop; when the toggle switch is in the second state, the power supply is disconnected with the switching electromagnetic valve. The present disclosure can be connected with the switching electromagnetic valve when the switching electromagnetic valve is repaired, so as to improve the maintenance convenience of the switching electromagnetic valve.

Description

Technical Field

[0001] This disclosure belongs to the field of power equipment technology, and specifically relates to a connector for switching solenoid valves and a method for controlling switching solenoid valves. Background Technology

[0002] Solenoid valves are widely used. For example, in the hydraulic control system of a controllable pitch propeller system, solenoid valves are used to control the on / off state of the oil circuits they are connected to. To reduce the complexity of the hydraulic control system, the selected solenoid valves generally have only one control signal input. For example, the solenoid valve is turned on when energized.

[0003] After installation, the solenoid valve only has one control signal, and the control room that sends the control signal is usually far from the valve. If operation, such as maintenance or debugging, is required, on-site personnel cannot directly control the solenoid valve from the control room. Therefore, they must manually press against the valve core to control the valve, making operation extremely inconvenient. Summary of the Invention

[0004] This disclosure provides a connector for a solenoid valve and a method for controlling the solenoid valve. It allows connection to the solenoid valve during maintenance and adjustment to control the valve core's movement, thereby improving the ease of maintenance. The technical solution is as follows:

[0005] This disclosure provides a connector for a solenoid valve, the connector including a housing and a toggle switch. A first portion of the toggle switch is located inside the housing, and a second portion of the toggle switch is located outside the housing. The toggle switch is movably connected to the housing to switch between a first state and a second state. When the toggle switch is in the first state, it is electrically connected to both the power supply and the solenoid valve to form a closed loop. When the toggle switch is in the second state, the power supply is disconnected from the solenoid valve, and the toggle switch is connected in series in the control circuit of the solenoid valve.

[0006] In another implementation of this disclosure, the toggle switch includes a first fixed terminal, a second fixed terminal, and a movable terminal. The first fixed terminal and the second fixed terminal are located inside the housing and connected to the housing. The first fixed terminal is used for electrical connection to the power supply, and the second fixed terminal is used for electrical connection to the control circuit of the solenoid valve. The movable terminal is partially located in the housing and is movably located between the first fixed terminal and the second fixed terminal. The movable terminal is electrically connected to the solenoid valve. When the toggle switch is in the first state, the movable terminal is electrically connected to the first fixed terminal. When the toggle switch is in the second state, the movable terminal is electrically connected to the second fixed terminal.

[0007] In another implementation of this disclosure, both the first fixed terminal and the second fixed terminal are U-shaped structures, and the first fixed terminal has a first opening and the second fixed terminal has a second opening. The first opening and the second opening are arranged opposite to each other. When the toggle switch is in the first state, the movable terminal is located in the first opening and is in contact with the first fixed terminal; when the toggle switch is in the second state, the movable terminal is located in the second opening and is in contact with the second fixed terminal.

[0008] In another implementation of this disclosure, the first fixed terminal and the second fixed terminal have the same structure, each including a first contact head, a second contact head, and a connecting arm. The first contact head and the second contact head are respectively connected to both ends of the connecting arm and define a U-shaped structure with the connecting arm. The first contact head and the second contact head are conductors, and at least part of the middle portion of the connecting arm is an insulator. The movable terminal includes an operating member, a third contact head, and a fourth contact head. The third contact head and the fourth contact head are respectively connected to both sides of the operating member and located in the housing. The third contact head and the fourth contact head are both electrically connected to the switching solenoid valve. The third contact head is used to electrically connect with the first contact head, and the fourth contact head is used to electrically connect with the second contact head.

[0009] In another implementation of this disclosure, the first contact head, the second contact head, the third contact head, and the fourth contact head are all copper sheets.

[0010] In another implementation of this disclosure, the connector further includes a control switch connected to the housing; the control switch is connected in series between the power supply and the toggle switch, and is used to control the connection and disconnection between the toggle switch and the power supply.

[0011] In another implementation of this disclosure, the control switch is a push-button control switch.

[0012] In yet another implementation of this disclosure, the power supply is integrated into the housing.

[0013] In another implementation of this disclosure, a method for regulating a switching solenoid valve is also provided, based on the connector described above. The method includes: controlling the toggle switch of the connector to a first state, such that the toggle switch is electrically connected to the power supply and the switching solenoid valve to form a closed loop; controlling the on / off state of the closed loop and the magnitude of the current in the closed loop to debug or repair the switching solenoid valve.

[0014] In another implementation of this disclosure, the control method further includes: after the debugging or maintenance of the solenoid valve is completed, controlling the toggle switch to a second state, so that the solenoid valve and the toggle switch are connected in series in the control circuit.

[0015] In another implementation of this disclosure, after the debugging or maintenance of the solenoid valve is completed, the control method further includes: controlling the toggle switch to a second state, so that the solenoid valve and the toggle switch are connected in series.

[0016] The beneficial effects of the technical solutions provided in this disclosure are:

[0017] When inspecting or debugging the solenoid valve, the connector provided in this embodiment can be placed at the solenoid valve.

[0018] Since the connector includes a housing and a toggle switch, and the first part of the toggle switch is located inside the housing and the second part of the toggle switch is located outside the housing, the housing can provide a mounting base for the toggle switch and at the same time protect the toggle switch.

[0019] Because the toggle switch is movably connected to the housing and can freely switch between a first state and a second state, when the toggle switch is in the first state, it forms a closed loop with both the power supply and the solenoid valve. When the toggle switch is in the second state, it is disconnected from the power supply and connected in series with the solenoid valve. Therefore, when debugging the solenoid valve, the toggle switch can be controlled to be in the first state, where it forms a closed loop with the power supply and the solenoid valve. The power supply can provide power to the solenoid valve, allowing the valve core of the toggle switch to actuate, thus enabling maintenance or debugging.

[0020] After the solenoid valve has been inspected or adjusted, the toggle switch can be controlled to be in the second state, so that the solenoid valve is disconnected from the power supply. At this time, the solenoid valve is independent of the connector, and the solenoid valve can be directly controlled to operate.

[0021] As can be seen, when overhauling or debugging a solenoid valve, the valve core position can be controlled through the above connectors, avoiding manual operation and improving operational efficiency. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the structure of a connector for switching a solenoid valve provided in an embodiment of this disclosure;

[0024] Figure 2 A schematic diagram of the connector in the first state provided in an embodiment of this disclosure;

[0025] Figure 3 A schematic diagram of the connector in the second state provided in an embodiment of this disclosure;

[0026] Figure 4 A schematic diagram of the control principle of the connector provided in the embodiments of this disclosure;

[0027] Figure 5 This is a schematic diagram of the structure of the second fixed terminal provided in an embodiment of the present disclosure;

[0028] Figure 6 This is a schematic diagram of the structure of the active terminal provided in an embodiment of this disclosure;

[0029] Figure 7 A flowchart illustrating the control method for a switching solenoid valve provided in an embodiment of this disclosure.

[0030] The symbols in the diagram represent the following meanings:

[0031] 1. Outer shell;

[0032] 2. Toggle switch; 21. First fixed terminal; 22. Second fixed terminal; 201. First contact head; 202. Second contact head; 203. Connecting arm; 23. Movable terminal; 231. Operating component; 232. Third contact head; 233. Fourth contact head; 210. First opening; 220. Second opening;

[0033] 3. Control switch;

[0034] 100. Power supply;

[0035] 101. Switching solenoid valves. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0037] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” “third,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising” or “including” and similar terms mean that the elements or objects preceding “comprising” or “including” encompass the elements or objects listed following “comprising” or “including” and their equivalents, and do not exclude other elements or objects. The terms “connected” or “linked” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” “right,” “top,” and “bottom,” etc., are used only to indicate relative positional relationships; when the absolute position of the described objects changes, the relative positional relationship may also change accordingly.

[0038] Figure 1 This is a schematic diagram of the structure of a connector for switching a solenoid valve provided in an embodiment of this disclosure, as shown below. Figure 1 As shown, this disclosure provides a connector for switching a solenoid valve.

[0039] The connector includes a housing 1 and a toggle switch 2. A first part of the toggle switch 2 is located inside the housing 1, and a second part of the toggle switch 2 is located outside the housing 1. The first and second parts of the toggle switch 2 are connected together. The toggle switch 2 is movably connected to the housing 1 to switch between a first state and a second state.

[0040] When the toggle switch 2 is in the first state, the toggle switch 2 is electrically connected to the power supply 100 and the solenoid valve 101 to form a closed circuit.

[0041] When the toggle switch 2 is in the second state, the power supply 100 is disconnected from the solenoid valve 101, and the toggle switch 2 is connected in series in the control circuit of the solenoid valve 101.

[0042] When inspecting or debugging the solenoid valve, the connector provided in this embodiment can be placed at the solenoid valve.

[0043] Since the connector includes a housing 1 and a toggle switch 2, and the first part of the toggle switch 2 is located inside the housing 1 and the second part of the toggle switch 2 is located outside the housing 1, the housing 1 can provide a mounting base for the toggle switch 2 and at the same time protect the toggle switch 2.

[0044] Since the toggle switch 2 is movably connected to the housing 1, and can freely switch between a first state and a second state, when the toggle switch 2 is in the first state, it forms a closed circuit with the power supply 100 and the solenoid valve 101. When the toggle switch 2 is in the second state, it is disconnected from the power supply 100 and connected in series with the control circuit of the solenoid valve 101. Therefore, when debugging the solenoid valve 101, the toggle switch 2 can be controlled to be in the first state. At this time, the toggle switch 2 forms a closed circuit with the power supply 100 and the solenoid valve 101, and the power supply 100 can provide power to the solenoid valve 101, allowing the valve core of the toggle switch 2 to operate, thereby realizing maintenance or debugging.

[0045] After the solenoid valve has been repaired or debugged, the toggle switch 2 can be controlled to be in the second state, so that the solenoid valve 101 is disconnected from the power supply 100. At this time, the solenoid valve 101 is independent of the power supply 100, and the solenoid valve 101 can be directly controlled to operate.

[0046] As can be seen, when overhauling or debugging the solenoid valve 101, the valve core position of the solenoid valve 101 can be controlled through the above connectors, avoiding manual operation and improving operating efficiency.

[0047] See Figure 2 , Figure 3 and Figure 4 Optionally, the toggle switch 2 includes a first fixed terminal 21, a second fixed terminal 22, and a movable terminal 23. The first fixed terminal 21 and the second fixed terminal 22 are located inside the housing 1 and are connected to the housing 1.

[0048] The first fixed terminal 21 is used for electrical connection with the power supply 100, and the second fixed terminal 22 is used for electrical connection with the control circuit of the switching solenoid valve 101.

[0049] The movable terminal 23 is located in the housing 1 and is movably located between the first fixed terminal 21 and the second fixed terminal 22. The movable terminal 23 is electrically connected to the switching solenoid valve 101.

[0050] When the toggle switch 2 is in the first state, the movable terminal 23 is electrically connected to the first fixed terminal 21. When the toggle switch 2 is in the second state, the movable terminal 23 is electrically connected to the second fixed terminal 22.

[0051] In the above implementation, the toggle switch 2 is configured with a first fixed terminal 21, a second fixed terminal 22, and a movable terminal 23. The first fixed terminal 21 can maintain an electrical connection with the power supply 100, and the second fixed terminal 22 can be electrically connected to the control circuit of the solenoid valve 101. Simultaneously, by controlling the movement of the movable terminal 23, it can be electrically connected to either the first fixed terminal 21 or the second fixed terminal 22, thereby controlling the toggle switch 2 to be in different states.

[0052] For example, in actual use, when it is necessary to debug the solenoid valve 101, the movable terminal 23 can be controlled so that the movable terminal 23 contacts the first fixed terminal 21 to achieve electrical connection. The toggle switch 2 is in the first state. At this time, the toggle switch 2, the power supply 100 and the solenoid valve 101 form a closed circuit. The power supply 100 can provide power to the solenoid valve 101 so that the valve core of the toggle switch 2 can move, thereby realizing maintenance or debugging.

[0053] After the solenoid valve 101 has been inspected or debugged, the movable terminal 23 can be controlled to make the movable terminal 23 contact the second fixed terminal 22 to achieve electrical connection. The toggle switch 2 is in the second state, and the solenoid valve 101 is disconnected from the power supply 100. At this time, the solenoid valve 101 is independent of the connector, and the solenoid valve 101 can be directly controlled to operate.

[0054] Optionally, both the first fixed terminal 21 and the second fixed terminal 22 are U-shaped structures, and the first fixed terminal 21 has a first opening 210, the second fixed terminal 22 has a second opening 220, the first opening 210 and the second opening 220 are arranged opposite to each other and are located on the same straight line.

[0055] When the toggle switch 2 is in the first state, the movable terminal 23 is located in the first opening and is in contact with the first fixed terminal 21.

[0056] When the toggle switch 2 is in the second state, the movable terminal 23 is located in the second opening and is in contact with the second fixed terminal 22.

[0057] In the above implementation, both the first fixed terminal 21 and the second fixed terminal 22 are set as U-shaped structural components. The U-shaped structural components can be used to lock and limit the movable terminal 23. At the same time, the openings of the U-shaped structural components (the first opening 210 or the second opening 220) facilitate contact between the first fixed terminal 21 and the movable terminal 23, or increase the contact area between the second fixed terminal 22 and the movable terminal 23, thereby improving the contact sensitivity of the movable terminal 23 with the first fixed terminal 21 and the second fixed terminal 22 respectively, and ensuring that there is no loose connection between them.

[0058] Figure 5 See the schematic diagram of the structure of the second fixed terminal provided in the embodiment of this disclosure. Figure 5 Optionally, the first fixed terminal 21 and the second fixed terminal 22 have the same structure. Both the first fixed terminal 21 and the second fixed terminal 22 include a first contact head 201, a second contact head 202 and a connecting arm 203, with the first contact head 201 and the second contact head 202 located on the same side of the axial direction of the connecting arm 203.

[0059] The first contact head 201 and the second contact head 202 are respectively connected to the two ends of the connecting arm 203, and together with the connecting arm 203, they define a U-shaped structure.

[0060] The first contact 201 and the second contact 202 are conductors, and at least part of the middle portion of the connecting arm 203 is an insulator.

[0061] Figure 6 See the schematic diagram of the active terminal provided in the embodiment of this disclosure. Figure 6 The active terminal 23 includes an operating member 231, a third contact head 232 and a fourth contact head 233. The third contact head 232 and the fourth contact head 233 are respectively connected to one side of the operating member 231 at intervals along the axial direction of the connecting arm 203 and are located in the housing 1.

[0062] Combination Figure 4 The third contact 232 and the fourth contact 233 are both electrically connected to the switching solenoid valve 101. The third contact 232 is used to be electrically connected to the first contact 201, and the fourth contact 233 is used to be electrically connected to the second contact 202.

[0063] In the above implementation, both the first fixed terminal 21 and the second fixed terminal 22 are configured as a first contact head 201, a second contact head 202, and a connecting arm 203. The first contact head 201 and the second contact head 202 can be connected together by the connecting arm 203. The first contact head 201 and the second contact head 202 can be used as a live wire connector and a neutral wire connector, respectively, to connect to the live wire and the neutral wire.

[0064] Similarly, the movable terminal 23 is configured with a third contact 232 and a fourth contact 233, so that the third contact 232 and the fourth contact 233 can be used as the live wire connector and the neutral wire connector, respectively, to connect to the live wire and the neutral wire.

[0065] Furthermore, when the active terminal 23 is in the first state, the third contact head 232 contacts the first contact head 201 in the first fixed terminal 21 to achieve electrical connection, and the fourth contact head 233 contacts the second contact head 202 in the first fixed terminal 21 to achieve electrical connection.

[0066] When the active terminal 23 is in the second state, the third contact head 232 contacts the first contact head 201 in the second fixed terminal 22 to achieve electrical connection, and the fourth contact head 233 contacts the second contact head 202 in the second fixed terminal 22 to achieve electrical connection.

[0067] Optionally, the first contact 201, the second contact 202, the third contact 232 and the fourth contact 233 are all copper sheets.

[0068] In the above implementation, the first contact 201, the second contact 202, the third contact 232 and the fourth contact 233 are made of copper sheets because copper has higher conductivity, which can reduce energy loss, reduce the heat generated by the toggle switch, and enable the current to maintain high efficiency during the transmission process of the toggle switch.

[0069] In other examples, the first contact 201, the second contact 202, the third contact 232, and the fourth contact 233 may also be other conductive metals, such as aluminum foil, silver sheet, iron sheet, gold sheet, etc.

[0070] See you again Figure 1 Optionally, the connector also includes a control switch 3, which is located in the housing 1 and connected to the housing 1.

[0071] The control switch 3 is connected in series between the power supply 100 and the toggle switch 2 to control the on / off connection between the toggle switch 2 and the power supply 100, so that the toggle switch 2 can form a closed circuit with the power supply 100 and the solenoid valve 101 respectively.

[0072] In the above implementation, the control switch 3 is used to control whether the power supply 100 and the toggle switch 2 are connected. That is, it controls whether the circuits formed by the toggle switch 2, the power supply 100, and the solenoid valve 101 are closed loops, thereby improving the safety of the power supply 100.

[0073] For example, when the toggle switch 2 is connected to the solenoid valve 101 and the power supply 100 respectively, the power supply 100 can be disconnected from the toggle switch 2 by the control switch 3. There is no current flow between the power supply 100 and the toggle switch 2, which makes it easier for personnel to operate.

[0074] When the switching solenoid valve 101 needs to be debugged or repaired, the toggle switch 2 can be pre-controlled to the first state, and then the control switch 3 can be operated to connect the power supply 100 to the toggle switch 2, so that the circuit formed by the toggle switch 2, the power supply 100 and the switching solenoid valve 101 are closed loops respectively.

[0075] Optionally, the control switch 3 is a push-button switch.

[0076] In the above implementation, the control switch 3 is configured as a push-button switch. By pressing, it controls the on / off state of the circuits formed by the toggle switch 2 with the power supply 100 and the solenoid valve 101. The on / off state of these circuits can be directly determined based on the pressed / closed state of the control switch 3. For example, when the control switch 3 is in the depressed state, the circuits formed by the toggle switch 2 with the power supply 100 and the solenoid valve 101 are closed loops. When the control switch 3 is in the toggle state, the circuits formed by the toggle switch 2 with the power supply 100 and the solenoid valve 101 are open / closed circuits.

[0077] In other examples, the control switch 3 may also be other switching devices, such as toggle switches, etc. This disclosure makes no limitations on the ability to control the connection between the toggle switch 2 and the power supply 100.

[0078] Optionally, the power supply 100 is integrated into the housing 1.

[0079] In the above implementation, the power supply 100 is integrated into the housing 1, which allows the connector to be used for maintenance or debugging of the solenoid valve even when no power supply is provided, thereby expanding the scope of application of the connector.

[0080] In this embodiment of the disclosure, the power supply 100 may also be a fixed socket. The connector includes a plug, which is electrically connected to the toggle switch 2 and is used to be inserted into the socket.

[0081] Optionally, the outer casing 1 is a plastic structural component, which can both insulate the external components of the connector and protect the internal conductive components.

[0082] On the other hand, embodiments of this disclosure also provide a method for controlling a switching solenoid valve, implemented based on the connector provided above. For example... Figure 7 As shown, the control methods include:

[0083] S701: The toggle switch of the control connector is in the first state, so that the toggle switch is electrically connected to the power supply and the switching solenoid valve respectively to form a closed circuit.

[0084] The connector is the one mentioned earlier used for switching the solenoid valve.

[0085] The connector is located near the solenoid valve.

[0086] S702: Controls the on / off state of the closed loop and the magnitude of the current in the closed loop, and is used for debugging or maintenance of the solenoid valve.

[0087] Since the toggle switch 2 is movably connected to the housing 1, and can freely switch between a first state and a second state, when the toggle switch 2 is in the first state, it forms a closed circuit with the power supply 100 and the solenoid valve 101. When the toggle switch 2 is in the second state, it is disconnected from the power supply 100 and connected in series with the solenoid valve 101. Therefore, when adjusting the solenoid valve 101, the toggle switch 2 can be controlled to be in the first state. In this state, the toggle switch 2 forms a closed circuit with the power supply 100 and the solenoid valve 101, and the power supply 100 can provide power to the solenoid valve 101, allowing the valve core of the toggle switch 2 to operate, thereby enabling maintenance or adjustment.

[0088] In other words, when the solenoid valve 101 needs to be adjusted, the movable terminal 23 in the toggle switch 2 can be controlled to make the movable terminal 23 contact the first fixed terminal 21 to achieve electrical connection. The toggle switch 2 is in the first state. At this time, the toggle switch 2, the power supply 100 and the solenoid valve 101 form a closed circuit. The power supply 100 can provide power to the solenoid valve 101, so that the valve core of the toggle switch 2 can move, thereby realizing maintenance or adjustment.

[0089] S703: Controls the toggle switch to the second state, so that the control circuit of the switch solenoid valve and the toggle switch are connected in series.

[0090] After the maintenance or debugging of the solenoid valve is completed, the toggle switch 2 can be controlled to the second state, disconnecting the solenoid valve 101 from the power supply 100. At this time, the solenoid valve 101 is independent of the connector, and its operation can be directly controlled. In other words, after the maintenance or debugging of the solenoid valve 101 is completed, the movable terminal 23 can be controlled to contact the second fixed terminal 22 to achieve electrical connection. The toggle switch 2 is then in the second state, disconnecting the solenoid valve 101 from the power supply 100. At this time, the solenoid valve 101 is independent of the connector, and its operation can be directly controlled.

[0091] The above description is merely an optional embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A joint for a solenoid valve, characterized by, The joint comprises a shell (1) and a toggle switch (2), a first part of the toggle switch (2) is located in the shell (1), a second part of the toggle switch (2) is located outside the shell (1), and the toggle switch (2) is movably connected with the shell (1) to switch between a first state and a second state; When the toggle switch (2) is in the first state, the toggle switch (2) is electrically connected with a power supply (100) and a switch electromagnetic valve (101) to form a closed loop; When the toggle switch (2) is in the second state, the power supply (100) is disconnected with the switch electromagnetic valve (101), and the toggle switch (2) is connected in series in a control circuit of the switch electromagnetic valve (101); The toggle switch (2) comprises a first fixed terminal (21), a second fixed terminal (22) and a movable terminal (23), the first fixed terminal (21) and the second fixed terminal (22) are located in the shell (1) and connected with the shell (1), the first fixed terminal (21) is used for electrically connecting with the power supply (100), and the second fixed terminal (22) is used for electrically connecting with a control circuit of the switch electromagnetic valve (101); The movable terminal (23) is partially located in the shell (1) and movably located between the first fixed terminal (21) and the second fixed terminal (22), and the movable terminal (23) is electrically connected with the switch electromagnetic valve (101); When the toggle switch (2) is in the first state, the movable terminal (23) is electrically connected with the first fixed terminal (21), and when the toggle switch (2) is in the second state, the movable terminal (23) is electrically connected with the second fixed terminal (22).

2. The joint of claim 1, wherein The first fixed terminal (21) and the second fixed terminal (22) are both U-shaped structural members, the first fixed terminal (21) has a first opening, the second fixed terminal (22) has a second opening, the first opening and the second opening are oppositely arranged, when the toggle switch (2) is in the first state, the movable terminal (23) is located in the first opening and in contact with the first fixed terminal (21); When the toggle switch (2) is in the second state, the movable terminal (23) is located in the second opening and in contact with the second fixed terminal (22).

3. The joint of claim 2, wherein, The first fixed terminal (21) and the second fixed terminal (22) are the same in structure and both comprise a first contact head (201), a second contact head (202) and a connecting arm (203), the first contact head (201) and the second contact head (202) are connected at two ends of the connecting arm (203) and define a U-shaped structure with the connecting arm (203), the first contact head (201) and the second contact head (202) are conductors, and a middle part of the connecting arm (203) is at least partially an insulator. The movable terminal (23) comprises an operating piece (231), a third contact head (232) and a fourth contact head (233), the third contact head (232) and the fourth contact head (233) are connected at two sides of the operating piece (231) respectively and are located in the shell (1), the third contact head (232) and the fourth contact head (233) are electrically connected with the switch electromagnetic valve (101), the third contact head (232) is used for electrically connecting with the first contact head (201), and the fourth contact head (233) is used for electrically connecting with the second contact head (202).

4. The joint of claim 3, wherein The first contact head (201), the second contact head (202), the third contact head (232) and the fourth contact head (233) are all copper sheets.

5. The joint of any one of claims 1-4, wherein, The joint further comprises a control switch (3), and the control switch (3) is connected with the shell (1). The control switch (3) is connected in series between the power supply (100) and the toggle switch (2), and the control switch (3) is used for controlling the on-off of the toggle switch (2) and the power supply (100).

6. The joint of claim 5, wherein, The control switch (3) is a press control switch.

7. The fitting of claim 5, wherein The power supply (100) is integrated in the shell (1).

8. A method of regulating an on-off solenoid valve, characterized by, Based on the joint as claimed in any one of claims 1-7, the regulation method comprises: controlling the toggle switch (2) of the joint to be in a first state, so that the toggle switch (2) is electrically connected with the power supply (100) and the switch electromagnetic valve (101) respectively to form a closed loop; controlling the on-off of the closed loop and the current size in the closed loop, and debugging or overhauling the switch electromagnetic valve.

9. The method of claim 8, wherein the step of regulating is performed by a processor. The regulation method further comprises: after the debugging or overhauling of the switch electromagnetic valve is completed, controlling the toggle switch (2) to be in a second state, so that the switch electromagnetic valve is connected in series with the control circuit of the toggle switch.

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