High-reliability corrosion-resistant electromagnetic valve

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a high-reliability corrosion-resistant electromagnetic valve. According to the high-reliability corrosion-resistant electromagnetic valve, the valve body can be further isolated from the external environment, the valve body is prevented from being corroded, and the service life of the valve body is prolonged. A high-reliability corrosion-resistant electromagnetic valve comprises a double-layer shell, first sealing rings and the like, and the first sealing rings are connected to the left side and the right side of the double-layer shell. The air pipe is pushed to move inwards, so that the vent hole is located between the double-layer shell and the valve body, then the vacuum pump is started, the space between the double-layer shell and the valve body is vacuumized, then the air pipe is reset, the interior of the double-layer shell is vacuumized, and finally the vacuum pump and the sealing block are closed to seal the double-layer shell. The effects that the valve body can be further isolated from the external environment, the valve body is prevented from being corroded, and the service life of the valve body is prolonged are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solenoid valve technical field especially relates to a high reliability anticorrosion solenoid valve. BACKGROUND

[0002] Solenoid valve is a kind of automation execution element to control valve opening or closing by electromagnetic force, is widely used in industrial control system, household appliance, automobile engineering and other fields. It uses the magnetic field generated by the energization of electromagnetic coil to attract or release valve core, to change the state of fluid passage, realize the control to gas or liquid flow. In many industrial applications, solenoid valve is widely used to control the flow of fluid. But because the existing solenoid valve is usually directly exposed to the external environment when using, only by the anticorrosion coating on the surface to prevent the corrosion caused by the influence of humidity, chemicals and other in external environment, the protection effect is poor.

[0003] Therefore, now develop a kind of further isolation valve body and external environment, prevent valve body corrosion, prolong the service life of valve body high reliability anticorrosion solenoid valve. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings that the existing solenoid valve only prevents the corrosion caused by the influence of humidity, chemicals and other in external environment by the anticorrosion coating on the surface, the protection effect is poor, the utility model provides a kind of further isolation valve body and external environment, prevent valve body corrosion, prolong the service life of valve body high reliability anticorrosion solenoid valve.

[0005] Technical scheme is: a kind of high reliability anticorrosion solenoid valve, including double-layer shell, first sealing ring, fixed nut, joint, valve sleeve, electromagnet, power supply, second sealing ring, valve body, valve core, elastic member and protection assembly, double-layer shell left and right sides are connected with first sealing ring, double-layer shell is connected with valve body inside, valve body is connected with first sealing ring, valve body left and right sides are screw thread type connection with fixed nut, fixed nut is in contact with adjacent first sealing ring, fixed nut is connected with joint, valve sleeve is connected on the upper side of the middle part of valve body, valve sleeve is connected with double-layer shell, electromagnet is connected on the upper side of valve sleeve, power supply is connected on the right side of electromagnet, power supply is connected with electromagnet by wire, second sealing ring is connected between valve sleeve and valve body, valve core is slidably connected on electromagnet, valve core is in contact with valve sleeve, elastic member is connected between valve core and electromagnet, double-layer shell is equipped with protection assembly for isolating external environment.

[0006] Further, the elastic member is a spring.

[0007] Further, it further includes protective metal ring, and the lower inner side of the valve sleeve is connected with the protective metal ring.

[0008] Further, the protection assembly comprises a connecting sleeve, an air pipe and a sealing block, the connecting sleeve is connected to the front side of the right part of the double-layer shell, the air pipe is connected to the connecting sleeve through damping sliding, and the sealing block is connected to the rear side of the air pipe.

[0009] Further, the air pipe is provided with a ventilation hole.

[0010] Further, the sealing block is made of rubber.

[0011] The beneficial effect is that: the utility model discloses a vacuum pump is started, and the double-layer shell and the valve body are extracted to the vacuum state, then the air pipe resets, and the double-layer shell is extracted to the vacuum state, finally the vacuum pump is closed, and the sealing block is closed to the double-layer shell, which can further isolate the valve body and the external environment, prevent the valve body from being corroded and prolong the service life of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0013] Figure 2 It is the three-dimensional structure schematic diagram of the electromagnet and the valve body and other components of the utility model.

[0014] Figure 3 It is the three-dimensional structure schematic diagram of the fixed nut and the first sealing ring and other components of the utility model.

[0015] Figure 4 It is the three-dimensional structure schematic diagram of the valve body and the spring and other components of the utility model.

[0016] Figure 5 It is the three-dimensional structure schematic diagram of the air pipe and the sealing block and other components of the utility model.

[0017] The names and serial numbers of parts in the drawing are as follows: 1_double-layer shell, 2_first sealing ring, 3_fixed nut, 4_junction, 5_connecting sleeve, 6_valve sleeve, 7_electromagnet, 8_power supply, 9_second sealing ring, 10_valve body, 11_valve core, 12_spring, 13_protection metal ring, 14_air pipe, 15_sealing block. DETAILED DESCRIPTION

[0018] The utility model will be specifically described in combination with the drawings.

[0019] A kind of high reliability anticorrosion electromagnetic valve, such as Figures 1-5As shown, including double-layer shell 1, first sealing ring 2, fixed nut 3, joint 4, valve sleeve 6, electromagnet 7, power supply 8, second sealing ring 9, valve body 10, valve core 11, protective metal ring 13, elastic member and protection assembly, both sides of the double-layer shell 1 are connected with the first sealing ring 2, the valve body 10 is connected inside the double-layer shell 1, the valve body 10 is connected with the first sealing ring 2, both sides of the valve body 10 are threadedly connected with the fixed nut 3, the fixed nut 3 is in contact with the adjacent first sealing ring 2, the fixed nut 3 is connected with the joint 4, the valve sleeve 6 is connected to the upper middle part of the valve body 10, the valve sleeve 6 is connected with the double-layer shell 1, the electromagnet 7 is connected to the upper side of the valve sleeve 6, the power supply 8 is connected to the right side of the electromagnet 7, the power supply 8 is connected with the electromagnet 7 through the wire, the second sealing ring 9 is connected between the valve sleeve 6 and the valve body 10, the valve core 11 is slidably connected to the electromagnet 7, the valve core 11 is in contact with the valve sleeve 6, the elastic member is connected between the valve core 11 and the electromagnet 7, the elastic member is a spring 12, the protective metal ring 13 is connected to the lower inside of the valve sleeve 6, and the double-layer shell 1 is provided with a protection assembly; The protection assembly comprises a connecting sleeve 5, an air pipe 14 and a sealing block 15, the connecting sleeve 5 is connected to the right front side of the double-layer shell 1, the air pipe 14 is connected to the connecting sleeve 5 through damping sliding, the air pipe 14 is provided with a vent hole for easy air intake, and the sealing block 15 is connected to the rear side of the air pipe 14, and the sealing block 15 is made of rubber material for easy sealing.

[0020] When the utility model is used, first, the joint 4 is connected with the valve body 10 through the fixed nut 3, the sealing property between the joint 4 and the valve body 10 is strengthened through the first sealing ring 2, when fluid needs to pass, the electromagnet 7 is energized to generate a magnetic field through the power supply 8, the valve core 11 is attracted to move upward to separate from the valve sleeve 6 against the resistance of the spring 12, so that fluid enters the valve sleeve 6, and then flows into the left joint 4 from the left part of the valve sleeve 6, thereby making fluid flow, the second sealing ring 9 is used to strengthen the sealing property between the valve sleeve 6 and the valve body 10, the protective metal ring 13 is more active than the valve sleeve 6, thereby protecting the valve sleeve 6 from corrosion, when the valve body 10 is used, the air pipe 14 can be connected with a vacuum pump, then the air pipe 14 is pushed to move inward, so that the ventilation hole is located between the double-layered shell 1 and the valve body 10, then the vacuum pump is started, the double-layered shell 1 and the valve body 10 are extracted to a vacuum state, then the air pipe 14 is reset, the inside of the double-layered shell 1 is extracted to a vacuum state, finally, the vacuum pump is closed, the sealing block 15 is used to close the double-layered shell 1, thereby further isolating the valve body 10 from the external environment, preventing the valve body 10 from being corroded, and prolonging the service life of the valve body 10.

[0021] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A high-reliability corrosion-resistant solenoid valve, characterized in that, The system includes a double-layered outer shell (1), a first sealing ring (2), a fixing nut (3), a connector (4), a valve sleeve (6), an electromagnet (7), a power supply (8), a second sealing ring (9), a valve body (10), a valve core (11), an elastic element, and protective components. The double-layered outer shell (1) is connected to the first sealing ring (2) on both sides. The valve body (10) is connected inside the double-layered outer shell (1) and is connected to the first sealing ring (2). The valve body (10) is threadedly connected to the fixing nut (3) on both sides of the valve body (10). Each fixing nut (3) contacts the adjacent first sealing ring (2). Each fixing nut (3) has a... A connector (4) is connected to the valve body (10). A valve sleeve (6) is connected to the upper part of the middle section of the valve body (10). The valve sleeve (6) is connected to the double-layer shell (1). An electromagnet (7) is connected to the upper side of the valve sleeve (6). A power supply (8) is connected to the right side of the electromagnet (7). The power supply (8) and the electromagnet (7) are connected by wires. A second sealing ring (9) is connected between the valve sleeve (6) and the valve body (10). A valve core (11) is slidably connected to the electromagnet (7). The valve core (11) is in contact with the valve sleeve (6). An elastic element is connected between the valve core (11) and the electromagnet (7). A protective component for isolating the external environment is provided on the double-layer shell (1).

2. The high-reliability corrosion-resistant solenoid valve according to claim 1, characterized in that, The elastic element is a spring (12).

3. The high-reliability corrosion-resistant solenoid valve according to claim 1, characterized in that, It also includes a protective metal ring (13), and the lower inner side of the valve sleeve (6) is connected to the protective metal ring (13).

4. The high-reliability corrosion-resistant solenoid valve according to claim 1, characterized in that, The protective assembly includes a connecting sleeve (5), an air tube (14), and a sealing block (15). The connecting sleeve (5) is connected to the front right side of the double-layer shell (1). The air tube (14) is connected to the connecting sleeve (5) by a damping sliding method. The sealing block (15) is connected to the rear side of the air tube (14).

5. A high-reliability corrosion-resistant solenoid valve according to claim 4, characterized in that, A ventilation hole is opened on the trachea (14).

6. A high-reliability corrosion-resistant solenoid valve according to claim 4, characterized in that, The sealing block (15) is made of rubber.

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