Anti-cheating electromagnetic valve of oiling machine

Abstract

The utility model discloses an anti-cheating electromagnetic valve of an oiling machine, and relates to the field of anti-cheating electromagnetic valves of oiling machines. The anti-cheating electromagnetic valve of the oiling machine comprises a valve body, a valve is arranged in the valve body, a first magnetic coil is arranged at one end of the valve in the valve body, and a foreign matter is arranged at the other end of the valve in the valve body. A valve element coil is arranged at the top of the valve body, a protective cover is arranged on the outer side of the valve element coil, screw holes are fixed to the four corners of the interior of the protective cover, and a magnetic coil controller is installed at one end of the top of the valve element coil. And the magnetic coil controller gives an abnormal alarm to control the valve to be closed, so that foreign matters with strong magnetic interference are prevented from entering the valve body to influence the valve core coil.

Description

Technical Field

[0001] The utility model relates to the field of anti-cheating solenoid valves for fuel dispensers, in particular to an anti-cheating solenoid valve for fuel dispensers. Background Art

[0002] The function of the fuel dispenser solenoid valve is a key component for controlling the oil and gas flow. It is mainly used to control the switch of the fuel in the fuel dispenser, and plays a role in controlling the fluid direction, flow and pressure. The fuel dispenser solenoid valve can control the fueling and stopping operations of the fuel dispenser by controlling the switch of the oil and gas, ensuring that each refueling is clean, fast and accurate.

[0003] The existing patent CN210340319U discloses an anti-cheating device for the solenoid valve of a gas station, which is provided with an installation cavity in the shell, a tightening pin hole at the top of the shell, and an installation hole at the bottom of the shell; the shell is made of a highly magnetically conductive material, and in an environment with strong magnetic interference, when the magnetic lines of force hit the shell, the magnetic lines of force will be absorbed by the shell to ensure that the magnetic lines of force do not enter the inside of the shell. The valve core is arranged in the installation cavity through the installation hole, and the tightening pin is connected to the valve core through the tightening pin hole: specifically, the tightening pin is threadedly connected to the pilot head of the valve core. To facilitate the installation of the valve core coil, the shell is provided with an installation opening connected to the installation cavity on one side wall, and the valve core coil is installed into the installation cavity through the installation opening, and the wiring base of the valve core wire diagram extends out of the installation opening for easy wiring.

[0004] When the existing device is protecting the valve core coil, the internal pipeline of the valve body is not protected accordingly. When the internal pipeline of the valve body is disturbed by strong magnetism, the valve core will still be out of control. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-cheating solenoid valve for a fuel dispenser in order to solve the problem that the internal pipeline of the valve body has no corresponding protection and the valve core still loses control when the internal pipeline of the valve body is disturbed by strong magnetism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-cheating solenoid valve for a fuel dispenser, wherein a valve is arranged inside the valve body, a No. 1 magnetic coil is arranged inside the valve body at one end of the valve, a foreign object is arranged inside the valve body at the other end of the valve, and a valve core coil is arranged on the top of the valve body to control the valve to close and prevent foreign objects with strong magnetic interference from entering the interior of the valve body and affecting the valve core coil.

[0007] As a further solution of the utility model: a protective cover is provided on the outside of the valve core coil, and screw holes are fixed at the four corners inside the protective cover. The magnetic field in the No. 1 magnetic coil inside the valve body will change, and an abnormal alarm will be issued through the magnetic coil controller. A magnetic coil controller is installed at one end of the top of the valve core coil.

[0008] As a further solution of the utility model: the bottom of the magnetic coil controller is connected to the No. 1 magnetic coil, and the No. 2 magnetic coil is arranged at one end of the magnetic coil controller. The end of the bolt will stop contacting the No. 2 magnetic coil, so that the magnetic coil controller will send out an abnormal alarm to prevent disassembly by non-workers.

[0009] As a further solution of the utility model: the second magnetic coil is arranged inside the protective cover at the bottom of the screw hole, and a cover plate is arranged on the top of the screw hole.

[0010] As a further solution of the utility model: bolts are provided at the four corners of the top of the cover plate, the outer sides of the bolts are arranged inside the screw holes, and the bottoms of the bolts are in contact with the No. 2 magnetic coil, so as to perform disassembly protection of the protective cover, and when the magnetic coil controller stops working, the valve core coil will also stop.

[0011] As a further solution of the utility model: a tightening pin is arranged in the middle of the cover plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The magnetic field in the set No. 1 magnetic coil will change, and the magnetic coil controller will issue an abnormal alarm, which will control the valve to close and prevent foreign objects with strong magnetic interference from entering the interior of the valve body and affecting the valve core coil.

[0014] 2. The end of the bolt will stop contacting the No. 2 magnetic coil, causing the magnetic coil controller to issue an abnormal alarm to prevent disassembly by non-workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the valve body structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the protective cover structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall right side structure of the utility model.

[0019] In the figure: 1. valve body; 101. valve; 102. magnetic coil No. 1; 2. foreign matter; 3. protective cover; 301. cover plate; 302. magnetic coil No. 2; 303. screw hole; 304. bolt; 4. valve core coil; 401. tightening pin; 402. magnetic coil controller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , 2 3. In an embodiment of the utility model, a solenoid valve for preventing cheating in a fuel dispenser includes a valve body 1, a valve 101 is arranged inside the valve body 1, a magnetic coil 102 is arranged inside the valve body 1 at one end of the valve 101, a foreign body 2 is arranged inside the valve body 1 at the other end of the valve 101, a valve core coil 4 is arranged on the top of the valve body 1 to control the valve 101 to close and prevent the foreign body 2 with strong magnetic interference from entering the interior of the valve body 1 and affecting the valve core coil 4, a protective cover 3 is arranged on the outside of the valve core coil 4, screw holes 303 are fixed on the four corners of the protective cover 3, the magnetic field in the magnetic coil 102 inside the valve body 1 will change, and an abnormal alarm will be issued through the magnetic coil controller 402, and a magnetic coil controller 402 is installed on one end of the top of the valve core coil 4.

[0022] In this embodiment: the magnetic field in the No. 1 magnetic coil 102 inside the valve body 1 will change, and an abnormal alarm will be issued through the magnetic coil controller 402, which will control the valve 101 to close, preventing foreign objects 2 with strong magnetic interference from entering the interior of the valve body 1 and affecting the valve core coil 4.

[0023] Please refer to Figure 1 , 3 , 4. The bottom of the magnetic coil controller 402 is connected to the No. 1 magnetic coil 102. One end of the magnetic coil controller 402 is provided with the No. 2 magnetic coil 302. The end of the bolt 304 will stop contacting the No. 2 magnetic coil 302, so that the magnetic coil controller 402 sends out an abnormal alarm to prevent non-workers from disassembling. The No. 2 magnetic coil 302 is arranged inside the protective cover 3 at the bottom of the screw hole 303. The top of the screw hole 303 is provided with a cover plate 301. Bolts 304 are arranged at the four corners of the top of the cover plate 301. The outer side of the bolt 304 is arranged inside the screw hole 303. The bottom of the bolt 304 contacts with the No. 2 magnetic coil 302, so as to perform disassembly protection of the protective cover 3. When the magnetic coil controller 402 stops working, the valve core coil 4 will also stop. A tightening pin 401 is provided in the middle of the cover plate 301.

[0024] In this embodiment: the end of the bolt 304 will stop contacting the second magnetic coil 302, so that the magnetic coil controller 402 will issue an abnormal alarm to prevent non-workers from disassembling, thereby performing disassembly protection of the protective cover 3, and when the magnetic coil controller 402 stops working, the valve core coil 4 will also stop.

[0025] Working principle: When a foreign object 2 with strong magnetic interference enters the interior of the valve body 1, the magnetic field in the No. 1 magnetic coil 102 inside the valve body 1 will change, and the magnetic coil controller 402 will issue an abnormal alarm, which will control the valve 101 to close, preventing the foreign object 2 with strong magnetic interference from entering the interior of the valve body 1 and affecting the valve core coil 4;

[0026] When the bolt 304 is removed, the end of the bolt 304 will stop contacting the second magnetic coil 302, causing the magnetic coil controller 402 to issue an abnormal alarm to prevent non-workers from disassembling, thereby performing disassembly protection for the protective cover 3, and when the magnetic coil controller 402 stops working, the valve core coil 4 will also stop.

[0027] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fuel dispenser anti-cheating solenoid valve, comprising a valve body (1), characterized in that: A valve (101) is arranged inside the valve body (1), a first magnetic coil (102) is arranged inside the valve body (1) at one end of the valve (101), a foreign object (2) is arranged inside the valve body (1) at the other end of the valve (101), and a valve core coil (4) is arranged on the top of the valve body (1).

2. The anti-cheating solenoid valve for a fuel dispenser according to claim 1, characterized in that: A protective cover (3) is arranged on the outside of the valve core coil (4), screw holes (303) are fixed at the four corners inside the protective cover (3), and a magnetic coil controller (402) is installed at one end of the top of the valve core coil (4).

3. The anti-cheating solenoid valve for a fuel dispenser according to claim 2, characterized in that: The bottom of the magnetic coil controller (402) is connected to the first magnetic coil (102), and one end of the magnetic coil controller (402) is provided with the second magnetic coil (302).

4. The anti-cheating solenoid valve for a fuel dispenser according to claim 3, characterized in that: The second magnetic coil (302) is arranged inside the protective cover (3) at the bottom of the screw hole (303), and a cover plate (301) is arranged on the top of the screw hole (303).

5. The anti-cheating solenoid valve for a fuel dispenser according to claim 4, characterized in that: Bolts (304) are arranged at the four corners of the top of the cover plate (301), the outer sides of the bolts (304) are arranged inside the screw holes (303), and the bottoms of the bolts (304) are in contact with the second magnetic coil (302).

6. The anti-cheating solenoid valve for a fuel dispenser according to claim 5, characterized in that: A tightening pin (401) is provided in the middle of the cover plate (301).

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