Waterproof and dustproof electromagnetic pinch valve

Abstract

The utility model discloses a waterproof and dustproof electromagnetic pinch valve which comprises a valve body, a valve shell is arranged at the top of the valve body, a fastening screw is arranged at the top of the valve shell, a spring is arranged at the bottom of the fastening screw, a push rod is arranged at the bottom of the spring, and an armature is arranged at the bottom of the push rod. An O-shaped ring is arranged on the outer wall of the armature, a piston is arranged at the bottom of the armature, an iron core is arranged on the outer wall of the push rod, a coil clamping ring is arranged on the outer wall of the iron core, and the device is provided with a fastening screw, a spring, a valve shell, the armature, the O-shaped ring, the valve core, the coil clamping ring, the push rod, a wire protecting sleeve and a pipe. The sealing performance during use is improved, the problem that internal parts are prone to rusting due to the fact that liquid permeates into the interior due to the poor sealing effect is solved, and then the situation that the electromagnetic valve is damaged due to rusting of the parts is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical direction of electromagnetic pinch valves, and particularly relates to a waterproof and dustproof electromagnetic pinch valve. Background Technique

[0002] A pinch valve, also known as a tube clamp valve, pressure tube valve, airbag valve, pinch-off valve, etc., uses pneumatic, electric, manual or hydraulic and other driving methods to squeeze the sleeve to achieve the function of opening / closing / regulating. An electromagnetic pinch valve is a form of pinch valve.

[0003] When the existing electromagnetic pinch valve is in use, water or other liquids impact the electromagnetic pinch valve from all directions, and seep into the interior through the gaps of the pinch valve, resulting in water ingress inside the valve, rusting of the internal components, and damage to the solenoid valve. This phenomenon has become an urgent problem to be solved by those skilled in the art. Content of the Utility Model

[0004] The purpose of the utility model is to provide a waterproof and dustproof electromagnetic pinch valve for the existing device to solve the problems put forward in the above background technique.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A waterproof and dustproof electromagnetic pinch valve, including a valve body, a valve housing is arranged at the top of the valve body, a fastening screw is arranged at the top of the valve housing, a spring is arranged at the bottom of the fastening screw, a push rod is arranged at the bottom of the spring, an armature is arranged at the bottom of the push rod, an O-ring is arranged on the outer wall of the armature, a piston is arranged at the bottom of the armature, an iron core is arranged on the outer wall of the push rod, a coil retaining ring is arranged on the outer wall of the iron core, an anti-rotation pin is arranged on one side of the valve body, a cylindrical pin is arranged at the bottom of the valve body, and a tube is arranged on the outer wall of the cylindrical pin.

[0006] The utility model is further described as follows: The top of the fastening screw penetrates through the outer wall of the valve housing and is provided with a wire protection sleeve.

[0007] The utility model is further described as follows: The tube penetrates through the bottom of the valve body, and the tube is connected to the valve body through a cylindrical pin.

[0008] The utility model is further described as follows: The push rod is connected to the fastening screw through a spring, and the iron core is connected to the armature.

[0009] The utility model is further described as follows: The armature is connected to the valve body through an O-ring.

[0010] The utility model is further described as follows: The inside of the wire protection sleeve is coated with sealant.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: For the utility model,

[0012] (1) By setting up fastening screws, springs, valve housings, armatures, O-rings, valve bodies, anti-rotation pins, pistons, cylindrical pins, iron cores, coil retaining rings, push rods, wire protectors and tubes, the sealing performance during use is improved, solving the problem that poor sealing allows liquid to seep into the interior, which makes the internal components prone to rust, and further avoiding the situation of solenoid valve damage caused by component rust, meeting people's work requirements and worthy of being promoted for use. Brief Description of the Drawings

[0013] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0014] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0015] In the figure: 1, fastening screw; 2, spring; 3, valve housing; 4, armature; 5, O-ring; 6, valve body; 7, anti-rotation pin; 8, piston; 9, cylindrical pin; 10, iron core; 11, coil retaining ring; 12, push rod; 13, wire protector; 14, tube. Detailed Description of the Specific Embodiment

[0016] The following further describes the technical solution of the present invention in detail and non-restrictively in conjunction with the preferred embodiments and their drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0017] Please refer to Figure 1, the present utility model provides a technical solution: a waterproof and dustproof electromagnetic pinch valve, which includes a valve body 6. A valve housing 3 is provided at the top of the valve body 6. A fastening screw 1 is provided at the top of the valve housing 3. A spring 2 is provided at the bottom of the fastening screw 1. A push rod 12 is provided at the bottom of the spring 2. An armature 4 is provided at the bottom of the push rod 12. An O-ring 5 is provided on the outer wall of the armature 4. A piston 8 is provided at the bottom of the armature 4. An iron core 10 is provided on the outer wall of the push rod 12. A coil retaining ring 11 is provided on the outer wall of the iron core 10. An anti-rotation pin 7 is provided on one side of the valve body 6. A cylindrical pin 9 is provided at the bottom of the valve body 6. A tube 14 is provided on the outer wall of the cylindrical pin 9. The tube 14 penetrates through the bottom of the valve body 6, and the tube 14 is connected to the valve body 6 through the cylindrical pin 9. The push rod 12 is connected to the fastening screw 1 through the spring 2, and the iron core 10 is connected to the armature 4. The armature 4 is connected to the valve body 6 through the O-ring 5. By providing the fastening screw 1, the spring 2, the valve housing 3, the armature 4, the O-ring 5, the valve body 6, the anti-rotation pin 7, the piston 8, the cylindrical pin 9, the iron core 10, the coil retaining ring 11, the push rod 12, the wire protection sleeve 13 and the tube 14, the sealing performance during use is improved, the problem that liquid seeps into the interior due to poor sealing effect, which causes the internal components to easily rust, is solved, and further, the situation of solenoid valve damage caused by component rust is avoided, meeting the working needs of people and worthy of being popularized and used.

[0018] Furthermore, the top of the fastening screw 1 penetrates through the outer wall of the valve housing 3 and is provided with a wire protection sleeve 13, and sealing glue is smeared inside the wire protection sleeve 13, further improving the sealing performance.

[0019] During use, through the added O-ring 5, it is possible to prevent the situation where liquid seeps into the interior from the gap between the piston 8 and the valve body 6 when the customer installs it in reverse or installs a water bottle, thereby effectively improving the sealing performance and solving the problem of damage caused by the contact between the internal components and the liquid. At the same time, through the wire protection sleeve 13 provided at the top and the sealing glue filled inside, the gap between the fastening screw 1 and the iron core 10 can be effectively sealed, further preventing the liquid from seeping in and further improving the sealing effect.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0021] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A waterproof and dustproof electromagnetic pinch valve, comprising a valve body (6), characterized in that: A valve housing (3) is arranged at the top of the valve body (6), a fastening screw (1) is arranged at the top of the valve housing (3), a spring (2) is arranged at the bottom of the fastening screw (1), a push rod (12) is arranged at the bottom of the spring (2), an armature (4) is arranged at the bottom of the push rod (12), an O-ring (5) is arranged on the outer wall of the armature (4), a piston (8) is arranged at the bottom of the armature (4), an iron core (10) is arranged on the outer wall of the iron core (10), a coil retaining ring (11) is arranged on the outer wall of the iron core (10), an anti-rotation pin (7) is arranged on one side of the valve body (6), a cylindrical pin (9) is arranged at the bottom of the valve body (6), and a tube (14) is arranged on the outer wall of the cylindrical pin (9).

2. The waterproof and dustproof electromagnetic pinch valve according to claim 1, characterized in that: The top of the fastening screw (1) passes through the outer wall of the valve housing (3) and is provided with a wire protection sleeve (13).

3. The waterproof and dustproof electromagnetic pinch valve according to claim 1, characterized in that: The pipe (14) passes through the bottom of the valve body (6), and the pipe (14) is connected to the valve body (6) via a cylindrical pin (9).

4. The waterproof and dustproof electromagnetic pinch valve according to claim 1, characterized in that: The push rod (12) is connected to the fastening screw (1) via a spring (2), and the iron core (10) is connected to the armature (4).

5. The waterproof and dustproof electromagnetic pinch valve according to claim 1, characterized in that: The armature (4) is connected to the valve body (6) via an O-ring (5).

6. The waterproof and dustproof electromagnetic pinch valve according to claim 2, characterized in that: The interior of the wire protection sleeve (13) is coated with sealant.

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