Quick air valve

Abstract

The utility model discloses a quick air valve, and belongs to the technical field of air valves. The electromagnetic valve comprises an electrode flange and a working valve, the working valve is arranged at the upper end of the electrode flange and comprises a valve shell, a coil base and a valve cover, the valve shell is fixedly installed at the upper end of the electrode flange, the coil base is sleeved with the valve shell, a containing cavity is formed in the coil base, and a copper coil is fixedly installed at the end, close to the electrode flange, of the containing cavity. An aluminum sheet is fixedly installed at one end of the copper coil, a round pipe is fixedly installed on one side of the aluminum sheet, and an air injection hole and an air leakage hole are formed in one side of the valve deck and are symmetrically distributed in the valve deck. According to the utility model, the two-core aviation plug is electrified firstly, the current reaches the copper coil, magnetic flux transformation is generated, the aluminum sheet induces eddy current, and according to the Lenz's law, the aluminum sheet moves upwards, the gas injection hole connected with vacuum is opened, gas is injected, the volume of the injected gas is not excessive, and the stability of equipment and the proceeding of a test are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of air valves, in particular to a quick air valve. Background Art

[0002] A vacuum valve is a vacuum system component used to change the direction of airflow, adjust the amount of airflow, and cut off or connect pipelines in a vacuum system. It is a valve with a working pressure lower than the standard atmospheric pressure and can achieve quantitative inflation. It is mainly divided into vacuum stop valves, vacuum diaphragm valves, vacuum solenoid valves, vacuum safety valves, vacuum baffle valves, vacuum plug valves, vacuum inflation valves, etc.

[0003] Traditional gas valves inject gas before discharging. If the injection time is too long, the gas will diffuse too much, and severe sparks may occur during discharge, causing damage to the instrument. The discharge time is too long for gases with special requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a fast gas valve. By feeding a short-term high current into the copper coil through the feed electrode, the magnetic flux conversion generated induces eddy currents on the aluminum sheet above. According to Lenz's law, the aluminum sheet moves upward, the gas injection hole connected to the vacuum is opened, and gas is injected. Subsequently, due to the elastic force of the spring, the aluminum sheet moves back to block the gas injection hole, completing one gas injection.

[0005] The utility model is realized through the following technical solutions:

[0006] The utility model is a fast gas valve, comprising an electrode flange and a working valve, wherein the working valve is arranged at the upper end of the electrode flange, the working valve comprises a valve shell, a coil base, and a valve cover, the valve shell is fixedly mounted on the upper end of the electrode flange, the coil base is sleeved inside the valve shell, an accommodating cavity is provided inside the coil base, a copper coil is fixedly mounted on one end of the accommodating cavity close to the electrode flange, an aluminum sheet is fixedly mounted on one end of the copper coil, a round tube is fixedly mounted on one side of the aluminum sheet, an air injection hole and an air discharge hole are provided on one side of the valve cover, the air injection holes and the air discharge holes are symmetrically distributed on the valve cover, the air injection holes and the air discharge holes are movably mounted with quick connectors, a socket is provided on one side of the valve cover, a two-core aviation plug is fixedly mounted on the socket.

[0007] Furthermore, screw holes are provided at the upper ends of the valve housing and the valve cover, screws are provided in the screw holes, and the valve housing is detachably connected to the valve cover via the screws.

[0008] Furthermore, a protrusion is fixedly installed on one side of the valve cover, a circular hole is opened at one end of the protrusion and extends to the bottom end of the valve cover, a nut groove is opened on the side of the valve cover close to the valve shell, an M nut is fixedly installed inside the nut groove, and a connecting block is fixedly installed on one side of the M nut.

[0009] Furthermore, it also includes an adjustable pressure structure, which is arranged inside the working valve.

[0010] Furthermore, the adjustable pressure structure includes a nut rod and a spring. The nut rod is passed through the inside of the circular hole and one end is fixedly connected to the connecting block. A nut is sleeved on the outside of the nut rod. A knob handle is fixedly installed at one end of the nut rod. The nut is located between the protrusion and the knob handle. The spring is fixedly installed between the circular tube and the connecting block.

[0011] Furthermore, the air injection hole, the air release hole, the insertion hole and the circular hole are all connected to the accommodating cavity.

[0012] Furthermore, the surface material of the copper coil is polyimide film.

[0013] The utility model has the following beneficial effects:

[0014] The utility model first energizes and then injects gas. First, the two-core aviation plug is energized. The current reaches the copper coil, generating magnetic flux conversion. The aluminum sheet induces eddy current. According to Lenz's law, the aluminum sheet will move upward, the gas injection hole connected to the vacuum will be opened, and the gas will be injected. The gas injection volume will not be excessive, which is beneficial to the stability of the equipment and the progress of the test.

[0015] The utility model changes the closing speed of the working valve by changing the compression degree of the spring. Due to the elastic force of the spring, the aluminum sheet moves back to block the gas injection hole, completing one gas injection. The time of gas injection and discharge is shortened, and the closing speed of the working valve is accelerated.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the quick air valve;

[0018] Figure 2 This is a structural diagram of the coil base and valve housing when they are installed;

[0019] Figure 3 This is a schematic diagram of the valve cover structure of the quick gas valve;

[0020] Figure 4 It is a structural diagram of the rotary handle and the nut rod in the connected state;

[0021] Figure 5 It is a structural diagram of the nut groove in the valve cover;

[0022] Figure 6 It is a structural diagram of the quick connector and the valve cover in the connected state.

[0023] In the figure: 1. Electrode flange; 2. Valve housing; 3. Coil base; 4. Valve cover; 5. Screw hole; 6. Screw; 7. Accommodation chamber; 8. Copper coil; 9. Aluminum sheet; 10. Round tube; 11. Air injection hole; 12. Air vent hole; 13. Quick connector; 14. Jack; 15. Two-core aviation plug; 16. Bump; 17. Nut slot; 18. M8 nut; 19. Connecting block; 20. Nut rod; 21. Spring; 22. Round hole; 23. Nut; 24. Knob handle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-6 The utility model provides a technical solution: a fast gas valve, including an electrode flange 1 and a working valve, the working valve is arranged at the upper end of the electrode flange 1, the working valve includes a valve shell 2, a coil base 3, and a valve cover 4, the valve shell 2 is fixedly installed on the upper end of the electrode flange 1, and the coil base 3 is sleeved inside the valve shell 2.

[0026] Screw holes 5 are provided on the upper ends of the valve housing 2 and the valve cover 4, and screws 6 are provided in the screw holes 5. The valve housing 2 is detachably connected to the valve cover 4 by the screws 6. A protrusion 16 is fixedly installed on one side of the valve cover 4. A circular hole 22 is provided at one end of the protrusion 16 and extends to the bottom end of the valve cover 4. A nut groove 17 is provided on the side of the valve cover 4 close to the valve housing 2, and an M8 nut 18 is fixedly installed inside the nut groove 17. A connecting block 19 is fixedly installed on one side of the M8 nut 18.

[0027] An accommodating cavity 7 is provided inside the coil base 3. A copper coil 8 is fixedly installed near one end of the electrode flange 1 in the accommodating cavity 7. The surface material of the copper coil 8 is polyimide film. An aluminum sheet 9 is fixedly installed at one end of the copper coil 8, and a round tube 10 is fixedly installed on one side of the aluminum sheet 9.

[0028] An injection hole 11 and an air discharge hole 12 are provided on one side of the valve cover 4. The injection hole 11 and the air discharge hole 12 are symmetrically distributed on the valve cover 4. The injection hole 11 and the air discharge hole 12 are both movably installed with a quick connector 13. A socket 14 is provided on one side of the valve cover 4. A two-core aviation plug 15 is fixedly installed on the socket 14. The injection hole 11, the air discharge hole 12, the socket 14, and the circular hole 22 are all connected to the accommodating chamber 7.

[0029] It also includes an adjustable pressure structure, which is arranged inside the working valve. The adjustable pressure structure includes a nut rod 20 and a spring 21. The nut rod 20 is arranged inside the circular hole 22 and one end is fixedly connected to the connecting block 19. A nut 23 is sleeved on the outside of the nut rod 20. A knob handle 24 is fixedly installed on one end of the nut rod 20. The nut 23 is located between the protrusion 16 and the knob handle 24. The spring 21 is fixedly installed between the circular tube 10 and the connecting block 19.

[0030] When using the quick air valve, first energize the two-core aviation plug 15. The current reaches the copper coil 8, generating magnetic flux conversion, and the aluminum sheet 9 induces eddy currents. According to Lenz's law, the aluminum sheet 9 will move upward, and the air injection hole 11 connected to the vacuum will be opened, and gas will be injected. Due to the elastic force of the spring 21, the aluminum sheet 9 moves back to block the air injection hole 11, completing one air injection. Only when the force of the eddy current is large enough can the aluminum sheet 9 be opened.

[0031] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A fast gas valve, comprising an electrode flange (1) and a working valve, wherein the working valve is arranged at the upper end of the electrode flange (1), characterized in that: The working valve comprises a valve housing (2), a coil base (3), and a valve cover (4); the valve housing (2) is fixedly mounted on the upper end of the electrode flange (1); the coil base (3) is sleeved inside the valve housing (2); a receiving chamber (7) is provided inside the coil base (3); a copper coil (8) is fixedly mounted on one end of the receiving chamber (7) close to the electrode flange (1); an aluminum sheet (9) is fixedly mounted on one end of the copper coil (8); a round tube (10) is fixedly mounted on one side of the aluminum sheet (9); an air injection hole (11) and an air discharge hole (12) are provided on one side of the valve cover (4); the air injection holes (11) and the air discharge holes (12) are symmetrically distributed on the valve cover (4); the air injection holes (11) and the air discharge holes (12) are both movably mounted with quick connectors (13); a socket (14) is provided on one side of the valve cover (4); a two-core aviation plug (15) is fixedly mounted on the socket (14).

2. A quick air valve according to claim 1, characterized in that: The upper ends of the valve housing (2) and the valve cover (4) are both provided with screw holes (5), screws (6) are provided in the screw holes (5), and the valve housing (2) is detachably connected to the valve cover (4) via the screws (6).

3. A quick air valve according to claim 2, characterized in that: A protrusion (16) is fixedly mounted on one side of the valve cover (4), a circular hole (22) is provided at one end of the protrusion (16) and extends to the bottom end of the valve cover (4), a nut groove (17) is provided on the side of the valve cover (4) close to the valve housing (2), an M8 nut (18) is fixedly mounted inside the nut groove (17), and a connecting block (19) is fixedly mounted on one side of the M8 nut (18).

4. A quick air valve according to claim 3, characterized in that: It also includes an adjustable pressure structure, which is arranged inside the working valve.

5. A quick air valve according to claim 4, characterized in that: The adjustable pressure structure comprises a nut rod (20) and a spring (21). The nut rod (20) is inserted into the circular hole (22) and one end of the nut rod is fixedly connected to the connecting block (19). A nut (23) is sleeved on the outside of the nut rod (20). A knob handle (24) is fixedly installed on one end of the nut rod (20). The nut (23) is located between the protrusion (16) and the knob handle (24). The spring (21) is fixedly installed between the circular tube (10) and the connecting block (19).

6. A quick air valve according to claim 1, characterized in that: The air injection hole (11), the air release hole (12), the insertion hole (14), and the circular hole (22) are all connected to the accommodating cavity (7).

7. A quick air valve according to claim 1, characterized in that: The surface material of the copper coil (8) is polyimide film.

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