Multi-port solenoid valve

Abstract

This utility model discloses a multi-gang solenoid valve, including a valve body with a plurality of solenoid coil assemblies, each of which has a pair of metal terminals. The valve body also includes a gate assembly, which comprises a conductive metal sheet and a gate body. The conductive metal sheet has a plurality of first conductive lines, and the gate assembly further includes a first gold finger interface, with the first conductive lines disposed within the first gold finger interface. The gate assembly also includes second and third gold finger interfaces, and the conductive metal sheet has a common line and a plurality of second conductive lines. The common line and the second conductive lines are arranged adjacent to each other, with both ends of the common line respectively disposed between the first and third gold finger interfaces. This utility model provides a gate assembly on the valve body for connecting the solenoid coil assemblies, thus facilitating the installation of the valve body with a washing machine; the gate assembly also has multiple interfaces for connecting external electrical components.

Description

Technical Field

[0001] This utility model belongs to the field of electromagnetic valve technology, specifically relating to a multi-connection electromagnetic valve. Background Technology

[0002] With the continuous improvement of living standards, washing machines are becoming increasingly feature-rich, and washing machines with automatic dispensing functions are gradually entering the market. Multi-unit solenoid valves are suitable for automatic dispensing washing machines and generally have several solenoid coils, each with at least two terminals. Existing patent CN202629185U discloses a multi-unit inlet solenoid valve, including a main valve and a secondary valve. The main and secondary valves have connecting devices at both ends, and their cavities are interconnected after being fixedly connected. The main valve has an inlet and an outlet, and the secondary valve has an outlet. Each inlet and outlet is controlled by a solenoid valve. When connecting the existing multi-unit inlet solenoid valve to the washing machine's main circuit board, industrial standard inserts are often used. One end of the insert connects to the terminal of the solenoid coil, and the other end connects to the lead wire of the main circuit board. The problem with this is that when assembling the washing machine's main circuit board and the solenoid coils, each solenoid coil must be plugged in at least once, and multiple solenoid coils must be plugged in at least multiple times. Furthermore, for automatic dispensing machines using a piston pump principle, it is necessary to ensure the correct connection of the piston pump wiring harness connector during assembly. The entire assembly process is time-consuming and costly, and assembly is also prone to errors, leading to product rework. Therefore, a multi-unit solenoid valve needs to be designed to overcome these difficulties. Summary of the Invention

[0003] This invention addresses the problems existing in the prior art by designing a multi-connection solenoid valve. The valve body is equipped with a plug plate assembly for connecting the solenoid coil assembly, thereby facilitating the installation of the valve body with the washing machine. The plug plate assembly is provided with multiple interfaces for easy connection of external electrical components.

[0004] The objective of this invention is achieved through the following technical solution: a multi-stage solenoid valve, comprising a valve body, on which are arranged a plurality of electromagnetic coil assemblies arranged side by side and adjacent to each other, each electromagnetic coil assembly having a pair of metal terminals; the valve body also has a plug plate assembly, the plug plate assembly comprising a conductive metal sheet and a plug plate body; the conductive metal sheet has a plurality of first conductive lines electrically connected to the metal terminals, the plug plate assembly further includes a first gold finger interface, the first conductive lines converging within the first gold finger interface; the plug plate assembly further includes a second gold finger interface and a third gold finger interface, the conductive metal sheet also has a common line and a plurality of second conductive lines; the common line and the second conductive lines are arranged adjacent to each other, and the two ends of the common line are respectively located between the first gold finger interface and the third gold finger interface.

[0005] Preferably, one end of the first conductive line is electrically connected to a metal terminal, and the other end of the first conductive line is disposed inside the first gold finger interface; a metal contact is provided at the end of the first conductive line near the first gold finger interface; metal contacts are provided at both ends of the common line, and metal contacts are also provided at both ends of the second conductive line.

[0006] Preferably, the two ends of the second conductive line converge in the second gold finger interface and the third gold finger interface, respectively.

[0007] Preferably, the total number of the first conductive lines and the second conductive lines is greater than the number of electromagnetic coil assemblies.

[0008] Preferably, the insert plate body is provided with an interface for inserting metal terminals, the outline of the interface being adapted to the outline of the metal terminals; the number of interfaces corresponds one-to-one with the number of metal terminals.

[0009] Preferably, the conductive metal sheet and the insert body are integrally formed, and the conductive metal sheet is electrically connected to the electromagnetic coil assembly.

[0010] Preferably, at least one electronic component is provided between the common line and the second conductive line for connecting the two, with both ends of the electronic component electrically connected to the common line and the second conductive line, respectively. The electronic component includes a bridge rectifier, a varistor, or a thermistor.

[0011] Compared with the prior art, the present invention has the following advantages: 1. The electromagnetic coil assembly is pre-electrically connected to the plug-in assembly, avoiding multiple connections between the electromagnetic coil assembly and the main circuit board of the washing machine; 2. The plug-in assembly is easy to insert into the main circuit board of the washing machine, and the insertion position is not easy to make mistakes; 3. The plug-in assembly is provided with multiple gold finger interfaces, which facilitates the connection of external electrical components and eliminates the step of connecting external electrical components to the main circuit board of the washing machine. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present utility model;

[0013] Figure 2 This is an exploded view of the present invention;

[0014] Figure 3 This is an exploded view of the insert assembly;

[0015] Figure 4 This is a 3D view of a conductive metal sheet;

[0016] The markings in the diagram are: 1. Valve body; 2. Electromagnetic coil assembly; 3. Metal terminal; 4. Insert plate assembly; 41. Conductive metal sheet; 42. Insert plate body; 5. First conductive line; 6. First gold finger interface; 7. Second gold finger interface; 8. Third gold finger interface; 9. Common line; 10. Second conductive line; 11. Metal contact; 12. Insertion interface; 13. Electronic components. Detailed Implementation

[0017] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0018] like Figures 1 to 4 As shown, this embodiment discloses a multi-solenoid valve, including a valve body 1. The valve body 1 is provided with a plurality of electromagnetic coil assemblies 2 arranged side by side and adjacent to each other. Each electromagnetic coil assembly 2 is provided with a pair of metal terminals 3. The valve body 1 is also provided with a plug plate assembly 4, which includes a conductive metal sheet 41 and a plug plate body 42. The conductive metal sheet 41 is provided with a plurality of first conductive lines 5 electrically connected to the metal terminals 3. The plug plate assembly 4 also includes a first gold finger interface 6, in which the first conductive lines 5 converge and are arranged. The plug plate assembly 4 also includes a second gold finger interface 7 and a third gold finger interface 8. The conductive metal sheet 41 is also provided with a common line 9 and a plurality of second conductive lines 10. The common line 9 and the second conductive lines 10 are arranged adjacent to each other, and the two ends of the common line 9 are respectively arranged between the first gold finger interface 6 and the third gold finger interface 8.

[0019] One end of the first conductive line 5 is electrically connected to the metal terminal 3, and the other end of the first conductive line 5 is disposed within the first gold finger interface 6; a metal contact 11 is provided at the end of the first conductive line 5 near the first gold finger interface 6; both ends of the common line 9 are respectively provided with metal contacts 11, and both ends of the second conductive line 10 are also respectively provided with metal contacts 11. The two ends of the second conductive line 10 converge within the second gold finger interface 7 and the third gold finger interface 8, respectively. The total number of the first conductive line 5 and the second conductive line 10 is greater than the number of electromagnetic coil assemblies 2. The insert body 42 is provided with an insertion interface 12 for inserting the metal terminal 3, and the outer contour of the insertion interface 12 is adapted to the outer contour of the metal terminal 3; the number of insertion interfaces 12 corresponds one-to-one with the number of metal terminals 3. The conductive metal sheet 41 and the insert body 42 are integrally formed, and the conductive metal sheet 41 is electrically connected to the electromagnetic coil assembly 2. At least one electronic component 13 is provided between the common line 9 and the second conductive line 10 for connecting the two, and the two ends of the electronic component 13 are electrically connected to the common line 9 and the second conductive line 10 respectively.

[0020] The specific operation process of this embodiment is as follows: the conductive metal sheet 41 is wired according to the design requirements, and then the conductive metal sheet 41 and the plug plate body 42 are integrally formed; electronic components 13 are soldered between the common line 9 and the second conductive line 10 of the conductive metal sheet 41, so that the second gold finger interface 7 and the third gold finger interface 8 can be in a connected state; the electromagnetic coil assembly 2 is installed on the valve body 1, and the metal terminals 3 on the electromagnetic coil assembly 2 are connected to the plug interface 12 on the plug plate body 42, and then the plug plate assembly 4 is assembled onto the valve body 1; then the valve body 1 is connected to the main circuit board of the washing machine through the plug plate assembly 4. External electrical components are installed on the third gold finger interface 8, and a loop can be formed when the common line 9 and the second conductive line 10 are connected; since the two ends of the common line 9 are respectively located between the first gold finger interface 6 and the third gold finger interface 8, and the two ends of the second conductive line 10 converge in the second gold finger interface 7 and the third gold finger interface 8, the external electrical components can be powered on and work when the first gold finger interface 6 and the second gold finger interface 7 are powered on. The electromagnetic coil assembly 2 is connected to the first conductive line 5, and the first conductive line 5 and the common line 9 can also form a loop. So when the first gold finger interface 6 is energized, the electromagnetic coil assembly 2 can be energized and work.

[0021] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A multi-association solenoid valve comprising a valve body (1), characterized in that, The valve body (1) is provided with several electromagnetic coil assemblies (2) arranged side by side and adjacent to each other. Each electromagnetic coil assembly (2) is provided with a pair of metal terminals (3). The valve body (1) is also provided with a plug plate assembly (4). The plug plate assembly (4) includes a conductive metal sheet (41) and a plug plate body (42). The conductive metal sheet (41) is provided with several first conductive lines (5) electrically connected to the metal terminals (3). The plug plate assembly (4) also includes a first gold finger interface (6). The first conductive lines (5) converge in the first gold finger interface (6). The plug plate assembly (4) also includes a second gold finger interface (7) and a third gold finger interface (8). The conductive metal sheet (41) is also provided with a common line (9) and several second conductive lines (10). The common line (9) and the second conductive lines (10) are arranged adjacent to each other. The two ends of the common line (9) are respectively arranged between the first gold finger interface (6) and the third gold finger interface (8).

2. The multiple solenoid valve according to claim 1, wherein One end of the first conductive line (5) is electrically connected to the metal terminal (3), and the other end of the first conductive line (5) is located inside the first gold finger interface (6); the end of the first conductive line (5) near the first gold finger interface (6) is provided with a metal contact (11); both ends of the common line (9) are respectively provided with metal contacts (11), and both ends of the second conductive line (10) are also respectively provided with metal contacts (11).

3. The multiple solenoid valve according to claim 2, wherein The two ends of the second conductive line (10) converge in the second gold finger interface (7) and the third gold finger interface (8), respectively.

4. The multiple solenoid valve according to claim 2, wherein The total number of the first conductive line (5) and the second conductive line (10) is greater than the number of electromagnetic coil assemblies (2).

5. The multiple solenoid valve according to claim 1, wherein The insert body (42) is provided with an interface (12) for inserting metal terminals (3). The outline of the interface (12) is adapted to the outline of the metal terminals (3). The number of interfaces (12) corresponds one-to-one with the number of metal terminals (3).

6. The multiple solenoid valve according to claim 1, wherein The conductive metal sheet (41) and the insert body (42) are integrally formed, and the conductive metal sheet (41) is electrically connected to the electromagnetic coil assembly (2).

7. The multiple solenoid valve according to claim 1, wherein At least one electronic component (13) is provided between the common line (9) and the second conductive line (10) for connecting the two, and the two ends of the electronic component (13) are electrically connected to the common line (9) and the second conductive line (10) respectively.

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