Novel electromagnetic valve

Abstract

The utility model provides a novel electromagnetic valve, and belongs to the technical field of valves. The electromagnetic valve solves the problem that a bolt position of an existing electromagnetic valve is prone to being stuck. The novel electromagnetic valve comprises a valve body, a lower connecting plate formed on the valve body and an upper connecting plate in bolt connection with the lower connecting plate, screw holes in the lower connecting plate are radially expanded to be provided with sealing grooves, and the bottom walls of the sealing grooves are provided with sealing seats which extend and protrude upwards and separate the sealing grooves from the screw holes. The height of the sealing seat is flush with the height of the top face of the lower connecting plate, a sealing piece is installed in the sealing groove, and the top end of the sealing piece abuts against the sealing seat. The sealing device has the advantages of being efficient in sealing and capable of preventing jamming.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves and relates to a solenoid valve, in particular to a new type of solenoid valve. Background Art

[0002] The solenoid valve is equipped with two layers of connecting plates to connect the upper and lower structures. Usually, a sealing gasket is set between the two connecting plates to improve the sealing, and the two are locked by bolts. However, in actual use, it is found that although the sealing gasket solves the sealing between the two plates, the sealing between each bolt and the screw hole is poor. Affected by the use environment of the solenoid valve, it will cause the bolts to wear, impurities to enter and cause jamming, etc. Summary of the invention

[0003] The utility model aims to provide a novel electromagnetic valve with high efficiency sealing and anti-stuck function in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a new type of solenoid valve, including a valve body and a lower connecting plate formed on the valve body and an upper connecting plate bolted to the lower connecting plate, characterized in that each screw hole on the lower connecting plate is radially expanded to open a sealing groove, the bottom wall of the sealing groove has a sealing seat that extends upward and separates the sealing groove and the screw hole, the height of the sealing seat is flush with the top surface of the lower connecting plate, a sealing member is installed in the sealing groove, and the top end of the sealing member abuts against the sealing seat;

[0005] The sealing member comprises a sealing base installed in the sealing groove and a sealing shoulder formed on the sealing base and fitted along the surface of the sealing seat. The top of the sealing shoulder has a pressure-bent portion that bends inwards and abuts against the top surface of the sealing seat.

[0006] In the above-mentioned novel solenoid valve, the inner end of the top of the sealing seat is chamfered.

[0007] In the above-mentioned novel solenoid valve, a sealing gasket is provided on the lower connecting plate.

[0008] Compared with the prior art, the novel solenoid valve has the advantages of all-round sealing, preventing bolts from getting stuck, and facilitating structural disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional diagram of the novel solenoid valve.

[0010] Figure 2 It is an exploded view of the upper connecting plate and the lower connecting plate.

[0011] Figure 3 It is a cross-sectional view after the upper connecting plate and the lower connecting plate are connected.

[0012] In the figure, 1, valve body; 2, lower connecting plate; 3, upper connecting plate; 4, sealing groove; 5, sealing seat; 6, sealing element; 7, sealing base; 8, sealing shoulder; 9, pressure-bearing part; 10, chamfer; 11, sealing gasket. DETAILED DESCRIPTION

[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0014] like Figure 1 , Figure 2 , Figure 3 As shown, the new solenoid valve comprises a valve body 1, a lower connecting plate 2 formed on the valve body 1, and an upper connecting plate 3 connected to the lower connecting plate 2 with bolts, and each screw hole on the lower connecting plate 2 is radially expanded to open a sealing groove 4, and the bottom wall of the sealing groove 4 has a sealing seat 5 which extends upward and separates the sealing groove 4 from the screw hole, and the height of the sealing seat 5 is flush with the top surface of the lower connecting plate 2, and a sealing member 6 is installed in the sealing groove 4, and the top end of the sealing member 6 abuts against the sealing seat 5.

[0015] To further explain, the seal 6 includes a sealing base 7 installed in the sealing groove 4 and a sealing shoulder 8 formed on the sealing base 7 and fitted along the surface of the sealing seat 5. The top of the sealing shoulder 8 has a pressure portion 9 that bends inward and rests on the top surface of the sealing seat 5. When the upper connecting plate 3 is connected to the lower connecting plate 2, the sealing groove 4 is hidden and a high-efficiency sealing area is formed. Then, the upper connecting plate 3 rests on the pressure portion 9, exerting a downward pressure on the pressure portion 9. The pressure portion 9 is deformed and rests against the top surface of the sealing seat 5, thereby achieving a sealing effect.

[0016] In further detail, a chamfer 10 is formed at the inner end of the top of the sealing seat 5 , and the chamfer 10 is for the pressure receiving portion 9 to be squeezed into.

[0017] Preferably, a sealing gasket 11 is provided on the lower connecting plate 2 .

[0018] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0019] Although the terms valve body 1, lower connecting plate 2, upper connecting plate 3, sealing groove 4, sealing seat 5, sealing element 6, sealing base 7, sealing shoulder 8, pressure receiving portion 9, chamfer 10, sealing gasket 11, etc. are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A novel solenoid valve, comprising a valve body (1), a lower connecting plate (2) formed on the valve body (1), and an upper connecting plate (3) bolted to the lower connecting plate (2), characterized in that: A sealing groove (4) is radially expanded at each screw hole on the lower connecting plate (2); the bottom wall of the sealing groove (4) has a sealing seat (5) extending upward and separating the sealing groove (4) and the screw hole; the height of the sealing seat (5) is flush with the top surface of the lower connecting plate (2); a sealing member (6) is installed in the sealing groove (4), and the top end of the sealing member (6) abuts against the sealing seat (5); The sealing member (6) comprises a sealing base (7) mounted in the sealing groove (4) and a sealing shoulder (8) formed on the sealing base (7) and fitted along the surface of the sealing seat (5); the top end of the sealing shoulder (8) comprises a pressure-bearing portion (9) that bends inwardly and abuts against the top surface of the sealing seat (5).

2. A new type of solenoid valve according to claim 1, characterized in that: The inner end of the top of the sealing seat (5) is provided with a chamfer (10).

3. A new type of solenoid valve according to claim 1, characterized in that: A sealing gasket (11) is provided on the lower connecting plate (2).

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