High-precision adjustable high-pressure deflation throttling electromagnetic valve structure

Abstract

The utility model discloses a high-precision adjustable high-pressure deflation throttling electromagnetic valve structure which comprises a valve, a sealing block and an electromagnetic valve shell, an inlet throttling valve is arranged at an inlet of the lower end of the electromagnetic valve shell and comprises a throttling valve shell, a throttling assembly is arranged in the throttling valve shell and comprises a throttling bush and a throttling gasket, and the throttling bush is arranged in the throttling valve shell. The throttling lining and the throttling gasket are overlapped to form a throttling channel, a movable iron core and a valve guide sleeve are arranged in the electromagnetic valve shell, a first spring is arranged between the movable iron core and the upper end of the inlet throttling valve, the upper end of the valve penetrates into the valve guide sleeve from the center of the movable iron core, and the upper end of the valve corresponds to a center hole of the sealing block. The structure is simple in design and easy to machine, different throttling channels are formed by stacking the throttling gaskets in the adopted throttling assembly and are not influenced by human factors, and different types of throttling channels can be selected according to the pressure requirement of a system.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valve throttling, in particular to a high-precision adjustable high-pressure air release throttling electromagnetic valve structure. Background Art

[0002] In the equipment system, the throttle valve is a device used to control flow and pressure. It usually adjusts flow and pressure by changing the cross-sectional area of ​​the system channel. In industrial production, it is often necessary to adjust the channel cross-section and then adjust the system pressure to meet different functional requirements. In order to adapt to the needs of the system, a direct-acting control structure and a combined throttling technical solution are adopted. The traditional throttling structure adjusts flow and pressure by using a slender hole or the opening of the valve core, which has the following disadvantages:

[0003] a. High-precision slender holes are not only difficult to process domestically, but also easy to get clogged; the processing of slender holes needs to be processed according to different technical requirements, and it is impossible to adapt to various technical requirements. b. The opening of the valve core is adjusted to adjust the flow rate. In this process, it is affected by human factors and is not easy to adjust to the applicable demand indicators. It cannot meet the needs of actual use, so there is an urgent need for improved technology on the market to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-precision adjustable high-pressure air bleed throttling solenoid valve structure. The structure is simple in design and easy to process. The throttling component adopted is composed of throttling gaskets stacked to form different throttling channels, which is not affected by human factors. Different types of throttling channels can be selected according to the system pressure requirements, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision adjustable high-pressure air release throttling solenoid valve structure, comprising a valve, a sealing block and a solenoid valve shell, an inlet throttle valve is arranged at the inlet of the lower end of the solenoid valve shell, the inlet throttle valve comprises a throttle valve shell, a throttling assembly is arranged inside the throttle valve shell, the throttling assembly comprises a throttling bushing and a throttling gasket, the throttling bushing and the throttling gasket are overlapped to form a throttling channel, a moving iron core and a valve guide sleeve are arranged inside the solenoid valve shell, a spring 1 is arranged between the moving iron core and the upper end of the inlet throttle valve, the upper end of the valve passes through the valve guide sleeve from the center of the moving iron core, and the upper end of the valve corresponds to the center hole of the sealing block, a gasket 2 is arranged between the lower end of the valve and the moving iron core, a gasket 1 is arranged between the moving iron core and the spring 1, and a spring 1 is arranged between the lower end of the valve and the gasket 1.

[0006] Furthermore, the throttling gasket is configured as a throttling gasket 1 and a throttling gasket 2, and the throttling bushing, the throttling gasket 1 and the throttling gasket 2 are overlapped to form a maze-shaped throttling channel.

[0007] Furthermore, the throttling gasket is configured as a throttling gasket three and a flow gasket four, and the throttling gasket three and the flow gasket four are overlapped to form a zigzag throttling channel.

[0008] Furthermore, the lower end of the inlet throttle valve and the upper end of the solenoid valve housing are respectively provided with an air port assembly, which includes a connecting seat, a screw and a filter screen. The filter screen is arranged between the connecting seat and the screw, and an air hole is arranged at the center of the screw.

[0009] Furthermore, the connecting seat and the solenoid valve housing are connected and fixed by threads, an adjustment gasket is arranged between the connecting seat and the solenoid valve housing, the valve guide sleeve is threadedly connected to the connecting seat, an air duct one is opened on the moving iron core, an air duct two is opened on the valve guide sleeve, and air duct one is connected to air duct two.

[0010] Furthermore, a coil is arranged on the outer surface of the solenoid valve housing, and a protective shell is arranged on the outer surface of the coil.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The structure is simple in design and easy to process. The throttling assembly used is composed of throttling gaskets stacked to form different throttling channels. It is not affected by human factors and there is no need to consider the problem of blockage. Different types of throttling channels can be selected according to the system pressure requirements.

[0013] 2. Strict control of system pressure is achieved through the throttling channel. By changing the direction and speed of the gas, the flow and pressure can be adjusted to meet the needs of the system. The inlet and outlet of the solenoid valve can effectively prevent larger particles of mechanical impurities from entering the product through the filter, protecting the safety of subsequent functional components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation position of the valve of the utility model;

[0016] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0017] Figure 4 This is a schematic diagram of the maze-shaped throttling channel of the utility model;

[0018] Figure 5 It is a schematic diagram of the zigzag throttling channel of the utility model.

[0019] In the figure: 1 inlet throttle valve, 2 coil, 3 spring 1, 4 gasket 1, 5 spring 2, 6 moving iron core, 7 gasket 2, 8 valve, 9 adjusting gasket, 10 air port assembly, 11 throttle bushing, 12 throttle gasket 1, 13 throttle gasket 2, 14 throttle gasket 3, 15 flow gasket 4, 16 solenoid valve housing, 17 throttle assembly, 18 airway 1, 19 valve guide sleeve, 20 connecting seat, 21 air hole, 22 screw, 23 filter screen, 24 sealing block, 25 airway 2. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply 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 understood as a limitation on the present invention.

[0021] See also Figure 1-5 The utility model provides a technical solution: a high-precision adjustable high-pressure air release throttling solenoid valve structure, including a valve 8, a sealing block 24 and a solenoid valve shell 16, an inlet throttle valve 1 is arranged at the inlet of the lower end of the solenoid valve shell 16, the inlet throttle valve 1 includes a throttle valve shell, a throttle assembly 17 is arranged inside the throttle valve shell, the throttle assembly 17 includes a throttle bushing 11 and a throttle gasket, the throttle bushing 11 and the throttle gasket are superimposed to form a throttling channel, the system pressure is strictly controlled through the throttle channel, and the flow and pressure are adjusted by changing the direction and speed of the gas, thereby To meet the needs of the system, a moving iron core 6 and a valve guide sleeve 19 are arranged inside the solenoid valve housing 16, a spring 3 is arranged between the moving iron core 6 and the upper end of the inlet throttle valve 1, the upper end of the valve 8 passes through the valve guide sleeve 19 from the center of the moving iron core 6, and the upper end of the valve 8 corresponds to the center hole of the sealing block 24, a gasket 27 is arranged between the lower end of the valve 8 and the moving iron core 6, a gasket 4 is arranged between the moving iron core 6 and the spring 3, and a spring 3 is arranged between the lower end of the valve 8 and the gasket 4. The setting of gasket 14 and gasket 27 plays a supporting and adjusting role to make up for the gap during the installation process.

[0022] As attached Figure 4 As shown, the throttling gasket is provided as a throttling gasket 12 and a throttling gasket 2 13, and the throttling bushing 11, the throttling gasket 12 and the throttling gasket 2 13 are overlapped to form a maze-shaped throttling channel; as shown in the attached Figure 5As shown, the throttling gasket is configured as a throttling gasket three 14 and a flow gasket four 15. The throttling gasket three 14 and the flow gasket four 15 are overlapped to form a zigzag throttling channel. The throttling solenoid valve can select different types of throttling channels according to the system pressure requirements to improve the practicality of the device.

[0023] The lower end of the inlet throttle valve 1 and the upper end of the solenoid valve housing 16 are respectively provided with an air port assembly 10, the air port assembly 10 includes a connecting seat 20, a screw 22 and a filter 23, the filter 23 is arranged between the connecting seat 20 and the screw 22, the screw 22 presses the filter 23 to prevent loosening, and an air hole 21 is arranged at the center of the screw 22. The inlet and outlet of the solenoid valve can effectively prevent larger particles of mechanical impurities from entering the interior of the product through the filter 23, thereby protecting the safety of subsequent functional components.

[0024] The connecting seat 20 is fixedly connected to the solenoid valve housing 16 by means of threads, and an adjusting gasket 9 is arranged between the connecting seat 20 and the solenoid valve housing 16. Changing the thickness of the adjusting gasket 9 can adjust the opening pressure of the spring to meet the use requirements. The valve guide sleeve 19 is threadedly connected to the connecting seat 20, and an air passage 1 18 is provided on the moving iron core 6, and an air passage 2 25 is provided on the valve guide sleeve 19. The air passage 1 18 is connected to the air passage 2 25, and the gas enters the solenoid valve through the lower end of the inlet throttle valve 1, and the gas balances the pressure in the air passage 18 and the air passage 2 25.

[0025] The outer surface of the solenoid valve housing 16 is provided with a coil 2 , and the outer surface of the coil 2 is provided with a protective housing.

[0026] When in use: the front end of the solenoid valve is connected to the system pipeline through the inlet throttle valve 1 to realize the gas circuit connection. When the product is powered off, the valve 8 is sealed with the sealing block 24 under the action of the spring force to close the gas circuit; after the solenoid valve is energized, the electromagnetic force overcomes the spring force and the air pressure to make the moving iron core 6 drive the valve 8 to separate from the sealing block 24, and the gas circuit is opened. The high-pressure gas in the load device is released within the specified deflation time under the action of the throttling solenoid valve. The solenoid valve air port assembly 10 is designed with a filter 23, which can filter out larger impurities in the air and prevent them from entering the system.

[0027] The basic principles, main features and advantages of the present invention are shown and described above. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements, which are all within the scope of the present invention to be protected.

Claims

1. A high-precision adjustable high-pressure air throttling solenoid valve structure, comprising a valve (8), a sealing block (24) and a solenoid valve housing (16), characterized in that: An inlet throttle valve (1) is arranged at the inlet of the lower end of the solenoid valve housing (16). The inlet throttle valve (1) comprises a throttle valve housing. A throttle assembly (17) is arranged inside the throttle valve housing. The throttle assembly (17) comprises a throttle bushing (11) and a throttle gasket. The throttle bushing (11) and the throttle gasket are overlapped to form a throttle passage. A moving iron core (6) and a valve guide sleeve (19) are arranged inside the solenoid valve housing (16). The moving iron core (6) and the inlet throttle valve (19) are connected to each other. 1) A spring 1 (3) is arranged between the upper and lower ends of the valve (8), the upper end of the valve (8) passes through the valve guide sleeve (19) from the center of the movable iron core (6), and the upper end of the valve (8) corresponds to the center hole of the sealing block (24), a gasket 2 (7) is arranged between the lower end of the valve (8) and the movable iron core (6), a gasket 1 (4) is arranged between the movable iron core (6) and the spring 1 (3), and a spring 1 (3) is arranged between the lower end of the valve (8) and the gasket 1 (4).

2. The high-precision adjustable high-pressure air throttling solenoid valve structure according to claim 1 is characterized in that: The throttling gaskets are arranged as throttling gasket one (12) and throttling gasket two (13), and the throttling bushing (11) is overlapped with the throttling gasket one (12) and the throttling gasket two (13) to form a labyrinth-shaped throttling channel.

3. The high-precision adjustable high-pressure air throttling solenoid valve structure according to claim 1 is characterized in that: The throttling gasket is configured as a throttling gasket three (14) and a flow gasket four (15), and the throttling gasket three (14) and the flow gasket four (15) are overlapped to form a zigzag throttling channel.

4. The high-precision adjustable high-pressure air throttling solenoid valve structure according to claim 1 is characterized in that: An air port assembly (10) is provided at the lower end of the inlet throttle valve (1) and the upper end of the solenoid valve housing (16), respectively. The air port assembly (10) comprises a connecting seat (20), a screw (22) and a filter screen (23). The filter screen (23) is provided between the connecting seat (20) and the screw (22). An air hole (21) is provided at the center of the screw (22).

5. The high-precision adjustable high-pressure air throttling solenoid valve structure according to claim 1 is characterized in that: The connecting seat (20) is connected and fixed to the electromagnetic valve housing (16) by means of threads, an adjusting gasket (9) is arranged between the connecting seat (20) and the electromagnetic valve housing (16), the valve guide sleeve (19) is threadedly connected to the connecting seat (20), an air passage (18) is provided on the moving iron core (6), an air passage (25) is provided on the valve guide sleeve (19), and the air passage (18) is communicated with the air passage (25).

6. The high-precision adjustable high-pressure air throttling solenoid valve structure according to claim 1 is characterized in that: A coil (2) is provided on the outer surface of the solenoid valve housing (16), and a protective housing is provided on the outer surface of the coil (2).

Images