A waterproof solenoid valve

Abstract

A waterproof solenoid valve includes a base plate, a frame with a lower opening, a conduit made of non-magnetic material, a magnetic sleeve, a coil frame, a stationary iron core, a moving iron core, a coil, and a power cord. The coil frame includes a central tube and two annular baffles. The lower end of the frame is fixed to the base plate, and the coil is mounted inside the frame. The conduit extends from the central tube through a circular hole in the base plate. The valve also includes a waterproof plastic shell with a through hole on its base plate. The solenoid valve is embedded within the waterproof plastic shell, the conduit extends through the through hole, and the power cord extends from the waterproof plastic shell. The waterproof plastic shell encloses the base plate, frame, coil, and wiring, isolating them from high-temperature and high-humidity environments and preventing these components from affecting the electrical and magnetic conductivity.

Description

Technical Field

[0001] This utility model relates to an electromagnetic valve for stoves. Background Technology

[0002] The existing technology, Chinese patent 201820311452.5, describes a double-type gas solenoid valve, including a side-opening solenoid valve bracket, a coil frame, a coil, a stationary iron core, a moving iron core, and a conduit. The solenoid valve bracket includes a top plate, a bottom plate, and a side plate. The coil frame includes a central tube and annular baffles at both ends of the central tube. The coil frame is divided into a first coil frame and a second coil frame, and the coil is divided into a first coil and a second coil. The stationary iron core is divided into a first stationary iron core and a second stationary iron core. The conduit is divided into a first conduit and a second conduit. A first retaining ring engages with a first retaining part and cooperates with the top plate; a second retaining ring engages with a second retaining part and cooperates with the top plate. The problems are: it is not waterproof, especially in high-temperature and high-humidity environments, and has a short service life. Utility Model Content

[0003] The purpose of this invention is to provide a waterproof solenoid valve that is waterproof and has a long service life.

[0004] This utility model is implemented as follows: a waterproof solenoid valve, comprising a base plate, a frame with a lower opening, a conduit made of non-magnetic material, a magnetic sleeve, a coil frame, a stationary iron core, a moving iron core, a coil, and a power cord. The coil frame includes a central tube and two annular baffles. The lower end of the frame is fixed to the base plate, and the coil is mounted inside the frame. The conduit extends from the central tube through a circular hole in the base plate. Its special feature is that it also includes a waterproof plastic shell, and the bottom plate of the waterproof plastic shell has a through hole.

[0005] The solenoid valve is embedded in a plastic waterproof shell, the conduit extends out through the through hole, and the power cord extends out from the plastic waterproof shell.

[0006] The waterproof solenoid valve described above is unique in that it also includes an inner core shell made of plastic material.

[0007] The coil frame and coil are embedded in the inner core shell, and the power cord extends out from the inner core shell.

[0008] The waterproof solenoid valve is characterized in that: a terminal block is provided on an annular baffle of the coil frame, and a terminal block is also included;

[0009] The terminal block is electrically connected to the coil and the power supply line.

[0010] The waterproof solenoid valve is characterized in that the conduit is made of plastic, copper, or stainless steel.

[0011] The waterproof solenoid valve is characterized in that the power cord comprises a metal core wire and a wire shell made of Teflon material.

[0012] The waterproof solenoid valve is characterized in that it further includes a sealing element, which includes a gasket portion and an interface portion disposed on the gasket portion.

[0013] The pad is fitted to the bottom plate of the plastic waterproof shell, and the interface is inserted into the through hole; the conduit extends out from the interface.

[0014] This utility model discloses a waterproof solenoid valve. The plastic waterproof shell covers the base plate, frame, coil, and wiring, isolating them from high temperature and high humidity environments and preventing the base plate, frame, and wiring from affecting the electrical and magnetic conductivity. Attached Figure Description

[0015] Figure 1 This is an exploded plan view of this utility model.

[0016] Figure 2 This is a cross-sectional view of the present invention.

[0017] Figure 3 This is a perspective view of the present invention.

[0018] Figure 4 This is one of the exploded perspective views of this utility model.

[0019] Figure 5 This is the second exploded perspective view of this utility model.

[0020] Figure 6 This is the third exploded perspective view of this utility model. Detailed Implementation

[0021] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figure 1 , Figure 2 , Figure 3 As shown, a waterproof solenoid valve 1 includes a base plate 2, a frame 3 with a lower opening, a conduit 4 made of non-magnetic material, a magnetic sleeve 5, a coil frame 6, a stationary iron core 71, a moving iron core 72, a coil (not shown in the figure), and a power cord 8. The coil frame 6 includes a central tube 61 and two annular baffles 62. The lower end of the frame 3 is fixed to the base plate 2, and the coil frame 6 is disposed inside the frame 3. The conduit 4 extends from the central tube 61 through the circular hole in the base plate 2. The structure of the solenoid valve 1 is known technology and is only briefly described here.

[0024] It also includes a waterproof plastic housing 9, and the bottom plate of the waterproof plastic housing 9 has a through hole 91;

[0025] The solenoid valve 1 is embedded in the plastic waterproof housing 9, the conduit 4 extends out through the through hole 91, and the power cord 8 extends out from the plastic waterproof housing 9.

[0026] The base plate 2 has an arc-shaped clearance groove 21 at its corner, and the plastic waterproof shell 9 has a longitudinal angled notch 92. The bottom of the longitudinal angled notch has a fixing plate 93, and the fixing plate 93 has a fixing hole. The axis of the arc-shaped clearance groove 21 coincides with the axis of the fixing hole, and the diameter of the arc-shaped clearance groove is larger than the diameter of the fixing hole.

[0027] As a further improvement of this utility model, it also includes an inner core shell 10 made of plastic material.

[0028] The coil frame 6 and the coil are embedded inside the inner core shell 10, and the power cord 8 extends out from the inner core shell 10. This structure effectively protects the coil and the power cord connector.

[0029] As a further improvement of this utility model: a terminal block 62 is provided on an annular baffle 62 of the coil frame 6, and a terminal block 11 is also included;

[0030] The terminal block 11 is electrically connected to the coil and the power line 8.

[0031] The conduit 4 is made of plastic, copper, or stainless steel.

[0032] As a further improvement of this utility model: the power cord 8 includes a metal core wire and a wire shell made of Teflon material.

[0033] As a further improvement of this utility model, it also includes a sealing member 12, which includes a pad portion 121 and an interface portion 122 provided on the pad portion;

[0034] The pad portion 121 is attached to the bottom plate of the plastic waterproof shell 9, and the interface portion 122 is inserted into the through hole 91; the conduit 4 extends out from the interface portion 122.

[0035] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A waterproof solenoid valve, comprising a base plate, a frame with a lower opening, a conduit made of non-magnetic material, a magnetic sleeve, a coil frame, a stationary iron core, a moving iron core, a coil, and a power cord; the coil frame includes a central tube and two annular baffles; the lower end of the frame is fixed to the base plate, and the coil is mounted inside the frame; the conduit extends from the central tube through a circular hole in the base plate; characterized in that: It also includes a waterproof plastic shell, with through holes on the bottom plate of the waterproof plastic shell; The solenoid valve is embedded in a plastic waterproof shell, the conduit extends out through the through hole, and the power cord extends out from the plastic waterproof shell.

2. The waterproof solenoid valve according to claim 1, characterized in that: It also includes an inner core shell made of plastic material. The coil frame and coil are embedded in the inner core shell, and the power cord extends out from the inner core shell.

3. A waterproof solenoid valve according to claim 2, characterized in that: The coil frame has a terminal block on an annular baffle, and also includes terminals; The terminal block is electrically connected to the coil and the power supply line.

4. A waterproof solenoid valve according to claim 1, characterized in that: The catheter is made of plastic, copper, or stainless steel.

5. A waterproof solenoid valve according to claim 1, characterized in that: The power cord includes a metal core and a shell made of Teflon material.

6. A waterproof solenoid valve according to claim 1, 2, 3, 4 or 5, characterized in that: It also includes a seal, which includes a gasket portion and an interface portion provided on the gasket portion; The pad is fitted to the bottom plate of the plastic waterproof shell, and the interface is inserted into the through hole; The catheter extends from the interface.

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