CN115962291B

CN115962291B - Energy-saving high-flow pulse type exhaust electromagnetic valve

Info

Publication number: CN115962291B
Application number: CN202310125540.1A
Authority: CN
Inventors: 贾传智; 樊哲; 丁先强; 冯申豪; 王臆昊
Original assignee: Xinxiang Huahang Aviation Hydraulic Equipment Co ltd
Current assignee: Xinxiang Huahang Aviation Hydraulic Equipment Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-05-23
Anticipated expiration: 2043-02-17
Also published as: CN115962291A

Abstract

The invention discloses an energy-saving high-flow pulse type exhaust electromagnetic valve, which comprises an electromagnet assembly, a shell, a push rod and a stepped balance valve structure, wherein the upper end of the shell is in threaded connection with the lower end of the electromagnet assembly; when the throwing task is executed, pulse voltage is conducted on the electromagnetic valve, after the electromagnetic valve is opened, the air circuit can be kept in an opened state even if the electromagnetic valve is powered off, and when the pressure in the system is reduced to a certain value, the electromagnetic valve is automatically reset.

Description

Energy-saving high-flow pulse type exhaust electromagnetic valve

Technical Field

The invention relates to the technical field of electromagnetic valves, in particular to an energy-saving high-flow pulse type exhaust electromagnetic valve.

Background

At present, in the existing domestic air circuit throwing system, two-position two-way, two-position three-way electromagnetic valves or pilot electromagnetic valves are adopted for exhausting, in the throwing process, the electromagnetic valves are electrified, the air circuit is opened, and the high-pressure air pushes the actuating mechanism to carry out throwing tasks; when the throwing task is executed each time, the electromagnetic valve is required to be continuously electrified for a long time to keep the opening of the air channel and consume electric energy, meanwhile, if unexpected power failure occurs, the throwing air channel is turned off, the task is failed or a safety accident occurs, the improvement of the fight force is seriously restricted, and when the using space is limited, the long-time power supply cannot be realized, and the using requirement cannot be met; moreover, the sealing of the conical surface and sharp edges between the valve and the sealing block of the electromagnetic valve requires extremely high machining precision of parts, and the machining level requirement is relatively high; aiming at the problems, an energy-saving high-flow pulse type exhaust electromagnetic valve is provided.

Disclosure of Invention

The invention aims to overcome the existing defects, and provides the energy-saving high-flow pulse type exhaust electromagnetic valve, when a throwing task is executed, pulse voltage is applied to the electromagnetic valve, after the electromagnetic valve is opened, the air path can be kept in an opened state even if the electromagnetic valve is powered off, when the pressure in the system is reduced to a certain value, the electromagnetic valve can be automatically reset, can be reused without maintenance, the maintenance time cost is reduced, the combat capability is improved, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an energy-conserving large-traffic pulse formula exhaust solenoid valve, includes electromagnet assembly, casing, ejector pin and ladder balance valve structure, the upper end of casing and electromagnet assembly's lower extreme threaded connection, ladder balance valve structure installs in the casing, and ladder balance valve structure includes valve, sealing block, cushion, main spring, sealing washer V, spring holder and sealing washer VI, and the inside at the casing is installed to the sealing block, and the cushion setting is in the lower extreme of sealing block, the upper end of valve wears to in the counter bore at sealing block upper end center, and the lower extreme of valve passes in the cushion to the spring holder, and the middle part of valve is provided with spacing annular groove, and main spring sets up between cushion and spacing annular groove, and sealing washer V sets up between spring holder and valve, and sealing washer VI sets up between valve's upper portion and sealing block, and the lower extreme of casing is provided with the screw cap, screws up cap and casing threaded connection, and the upper end of ejector pin wears to electromagnet assembly in, the lower extreme of ejector pin is contradicted with valve upper end.

Further, the sealing ring VI and the sealing ring V are respectively contacted with the valve to form a sealing position I and a sealing position III of the ladder balance valve structure, an inclined plane on the valve is contacted with the sealing block to form a sealing position II, the sealing diameters of the sealing position II and the sealing position III are equal, the axial forces of the valve are mutually offset, and the sealing diameter of the sealing position I is smaller than that of the sealing position III.

Further, ejector rod, electromagnet assembly, casing, valve, sealing block, spring holder, screw up the cap and constitute short direction floating seal structure, be provided with direction department I between ejector rod and the electromagnet assembly, be equipped with direction department II and direction department III between sealing block and the valve, be direction department IV between valve and the spring holder, be direction department V between spring holder and the screw up the cap, be short direction radial seal structure between spring holder and the valve, the middle part of spring holder sets up to the sphere, screw up the cap upper end and be provided with semicircle recess, the spring holder cooperates with the screw up cap sphere, compensates the motion direction of valve.

Further, the electromagnet assembly comprises a movable iron core and a fixed seat, the fixed seat is fixed at the upper end of the electromagnet assembly, an upper spring is arranged between the ejector rod and the movable iron core, an air passage is arranged in the ejector rod, an air passing hole is formed in the lower end of the electromagnet assembly, the air passage is communicated with the air passing hole, an exhaust hole is formed in the upper end of the shell, and the exhaust hole is communicated with the air passing hole.

Further, a balance air passage is arranged on the valve, the balance air passage penetrates through the valve up and down, and the upper end of the balance air passage is communicated with the exhaust hole through an air passing hole.

Further, the middle limiting annular groove of the valve is provided with an air hole channel along the circumferential direction and the circumferential direction of the cushion block, the middle of the shell is provided with an outlet, and the tightening cap is provided with an inlet.

Further, a sealing ring II is arranged between the upper part of the valve and the inner wall of the shell, a sealing ring IV is arranged between the lower part of the valve and the inner wall of the shell, a sealing ring I and a sealing ring III are respectively arranged on the upper part and the lower part of the shell, threads are arranged on the upper part of the shell, and the shell is in threaded connection with the system through the threads.

Compared with the prior art, the invention has the beneficial effects that:

1. through the structural design of the ladder balance valve, the product uses small electromagnetic attraction to control the on-off of the large-path gas path; after the product is electrified, the system is not used for continuously supplying power, so that the loss of the product to electric energy is reduced; the short guide floating sealing structure reduces the machining precision of parts in the multi-guide sealing structure and improves the sealing performance of products; the energy-saving high-flow pulse type exhaust electromagnetic valve effectively reduces the consumption of electric energy of the air passage throwing system, reduces the weight of the throwing air passage system, shortens the maintenance time of the throwing air passage system, saves the production, maintenance and maintenance costs of the throwing air passage system, and improves the combat capability of the whole machine.

2. When the product is powered off, the axial force of the valve is counteracted by two sealing surfaces with the same sealing diameter, so that the smaller electromagnet is realized, the on-off of a large-path gas path is controlled, and the weight of a throwing system is reduced; after the product is electrified, the valve is forced to be in an open state through the sealing surfaces with two different sealing diameters, so that the gas circuit is still kept in the open state after the product is powered off, and the consumption of the electric energy by the throwing system is reduced.

3. The movable sealing of the product is realized through a plurality of guide movements, and the movable sealing is reduced by arranging a short guide floating sealing structure, so that the processing difficulty of parts can be reduced, and the sealing performance of the product is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a ladder balance valve structure according to the present invention;

FIG. 3 is a schematic view of a short pilot floating seal configuration of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;

fig. 5 is a schematic view of the structure of the shutter according to the present invention.

In the figure: the device comprises a fixed seat 1, a movable iron core 2, a push rod 3, an electromagnet assembly 4, a sealing ring 5I, a housing 6, a sealing ring 7 II, a valve 8, a sealing block 9, a sealing ring 10 III, a sealing ring 11 IV, a cushion block 12, a main spring 13, a sealing ring 14V, a spring seat 15, a tightening cap 16, a sealing ring 17 VI, a sealing ring 18, a sealing ring 19, a sealing ring 20, a guiding ring 21, a guiding ring 22, a guiding ring 23, a guiding ring 24, a guiding ring 25, an exhaust hole 26, a balancing air passage 27, an inlet 28, an inclined hole 29, a vertical hole 30, an outlet 31, an air passing hole 32, an upper spring 33, an upper air passage 34 and a limiting annular groove 35.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an energy-conserving large-traffic pulse exhaust solenoid valve, including electromagnet assembly 4, casing 6, ejector pin 3 and ladder balance valve structure, the upper end of casing 6 and electromagnet assembly 4's lower extreme threaded connection, ladder balance valve structure installs in casing 6, ladder balance valve structure includes valve 8, sealing block 9, cushion 12, main spring 13, sealing washer V14, spring holder 15 and sealing washer VI 17, sealing block 9 installs in casing 6's inside, cushion 12 sets up in sealing block 9's lower extreme, valve 8's upper end wears to sealing block 9 upper end central counter bore, valve 8's lower extreme passes cushion 12 to spring holder 15 in, valve 8's middle part is provided with spacing annular groove 35, main spring 13 sets up between cushion 12 and spacing annular groove 35, sealing washer V14 sets up between spring holder 15 and valve 8, sealing washer VI 17 sets up between valve 8's upper portion and sealing block 9, casing 6's lower extreme is provided with screw cap 16, screw cap 16 and casing 6 threaded connection, through screw cap 16 can compress tightly casing 6's inside part, valve 3's upper end is worn to electromagnet assembly's upper end 3 in spring holder 15, valve 8's upper end is the straight line through the upper end of ejector pin 3, the upper end and lower extreme that the valve 3 is the arc-shaped through the ejector pin 3 is the upper end of the valve, the arc-shaped structure is for the upper end of the ejector pin 3, the arc-shaped product is of the upper end, the upper end of the valve is for the equilibrium, the ejector pin 3 is designed for the arc; after the product is electrified, the system is not used for continuously supplying power, so that the loss of the product to electric energy is reduced.

The sealing ring VI 17 and the sealing ring V14 are respectively contacted with the valve 8 to form a sealing part I18 and a sealing part III 20 of the ladder balance valve structure, an inclined plane on the valve 8 is contacted with the sealing block 9 to form a sealing part II 19, the sealing diameters of the sealing part II 19 and the sealing part III 20 are equal, the axial force of the valve 8 is mutually counteracted, after the axial force is counteracted, the valve 8 is only influenced by the spring force of the main spring 13, and further sealing is realized, the opening and closing of a large-path gas path can be controlled through a small electromagnetic force, and the sealing diameter of the sealing part I18 is smaller than that of the sealing part III 20; when the device works, pulse voltage is applied to a product, the electromagnet provides suction force, the valve 8 can be opened only by overcoming the spring force of the main spring 13, the air channel is discharged to an air channel system, the sealing diameter of the sealing position I18 is smaller than the sealing diameter of the sealing position III 20, the valve 8 is forced to be in an open position by high-pressure air acting force, continuous power on of the system is not needed, and the electric energy consumption for throwing the air channel system is reduced.

Short guide floating seal structure is constituteed to ejector pin 3, electromagnet assembly 4, casing 6, valve 8, sealing block 9, spring holder 15, screw up cap 16, be provided with guiding part I21 between ejector pin 3 and the electromagnet assembly 4, be equipped with guiding part II 22 and guiding part III 23 between sealing block 9 and the valve 8, be guiding part IV 24 between valve 8 and the spring holder 15, be guiding part V25 between spring holder 15 and the screw up cap 16, be short guide radial seal structure between spring holder 15 and the valve 8, the middle part of spring holder 15 sets up to the sphere, screw up cap 16 upper end and be provided with semicircle recess, spring holder 15 and screw up cap 16 sphere cooperation, compensate the motion direction of valve 8, avoid appearing many direction card dead or the phenomenon of non-axiality, very big improvement the leakproofness of product, the processing degree of parts has been reduced.

The electromagnet assembly 4 comprises a movable iron core 2 and a fixed seat 1, the electromagnet assembly 4 is of the prior art, and the main part is that

The electromagnetic iron comprises a coil, a stator iron core and a shell, wherein the coil is electrified to generate magnetic force to drive the movable iron core 2 to move, a fixed seat 1 is fixed at the upper end of an electromagnet assembly 4, an upper spring 34 is arranged between an ejector rod 3 and the movable iron core 2, an air passage 33 is arranged in the ejector rod 3, an air passing hole 32 is formed in the lower end of the electromagnet assembly 4, the air passage 33 is communicated with the air passing hole 32, an exhaust hole 26 is formed in the upper end of a shell 6, and the exhaust hole 26 is communicated with the air passing hole 32.

The valve 8 is provided with a balance air passage 27, the balance air passage 27 penetrates through the valve 8 up and down, and the upper end of the balance air passage 27 is communicated with the exhaust hole 26 through an air passing hole 32.

The central limiting annular groove 35 of the valve 8 is respectively provided with an air hole channel along the circumferential direction and the circumferential direction of the cushion block 12, the central part of the shell 6 is provided with an outlet 31, and the tightening cap 16 is provided with an inlet 28.

A sealing ring II 7 is arranged between the upper part of the valve 8 and the inner wall of the shell 6, sealing with the outside is realized through a sealing ring II 7 and a sealing ring VI 17, a sealing ring IV 11 is arranged between the lower part of the valve 8 and the inner wall of the shell 6, the sealing ring IV 11 is used for sealing an inner outlet 31 and an inlet 28, a sealing ring I5 and a sealing ring III 10 are respectively arranged on the upper part and the lower part of the shell 6, sealing with the outside is realized through the sealing ring 5 and the sealing ring 10, threads are arranged on the upper part of the shell 6, and the shell 6 is in threaded connection with a system through the threads.

When the product is powered off, the valve 8 and the sealing block 9 are contacted and sealed under the combined action of the spring acting force of the main spring 13 and the air pressure in the air passage system, so that the air passage is closed; the sealing dimension of the sealing part II 19 is the same as that of the sealing part III 20, and the axial force of the valve 8 is zero; when the system is powered on, the movable iron core 2 is sucked downwards, the ejector rod 3 is driven to push the valve 8 to move and separate from the sealing block 9, the air passage is opened, and air sequentially passes through the inlet 28, the cushion block 12 and the air hole passage on the valve 8 and then passes through the passage on the sealing block 9 and is discharged through the outlet 31 to supply air for the air supply throwing; after the valve is opened, the sealing surface of the sealing position I18 is smaller than the sealing surface of the sealing position III 20 to form step sealing, and at the moment, the axial force of the valve 8 is larger than the spring force, so that the valve 8 is forced to be in an opened state, and after the product is powered off, the gas path is still kept in an opened state; and after the system throwing task is completed, the pressure of the air path system is gradually reduced to atmospheric pressure, the air pressure is smaller than the spring force of the main spring 13, the valve 8 is in contact seal with the sealing block 9 under the spring force of the main spring 13, and the air path is closed after automatic reset.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving large-traffic pulse formula exhaust solenoid valve, includes electromagnet assembly (4), casing (6), ejector pin (3) and ladder balance valve structure, its characterized in that: the upper end of the shell (6) is in threaded connection with the lower end of the electromagnet assembly (4), the step balance valve structure is arranged in the shell (6) and comprises a valve (8), a sealing block (9), a cushion block (12), a main spring (13), a sealing ring V (14), a spring seat (15) and a sealing ring VI (17), the sealing block (9) is arranged in the shell (6), the cushion block (12) is arranged at the lower end of the sealing block (9), the upper end of the valve (8) penetrates into a counter bore in the center of the upper end of the sealing block (9), the lower end of the valve (8) penetrates through the cushion block (12) to the spring seat (15), a limiting annular groove (35) is formed in the middle of the valve (8), the main spring (13) is arranged between the cushion block (12) and the limiting annular groove (35), the sealing ring V (14) is arranged between the spring seat (15) and the cushion block (8), the sealing ring VI (17) is arranged between the upper part of the valve (8) and the sealing block (9), the lower end of the shell (6) is provided with a cap (16), the cap (16) is tightly screwed on the upper end of the valve (6) and the upper end of the electromagnet assembly (3) in a threaded manner, sealing washer VI (17), sealing washer V (14) contact respectively with valve (8) and constitute sealed department I (18) and sealed department III (20) of ladder balance valve structure, and the inclined plane on valve (8) contacts with sealing piece (9) and constitutes sealed department II (19), and the sealed diameter of sealed department II (19) and sealed department III (20) equals, plays the effect to valve (8) axial force offset each other, and the sealed diameter of sealed department I (18) is less than the sealed diameter of sealed department III (20).

2. The energy-saving high-flow pulse type exhaust electromagnetic valve according to claim 1, characterized in that: short guide floating seal structure is constituteed to ejector pin (3), electromagnet assembly (4), casing (6), valve (8), sealing block (9), spring holder (15), screw up cap (16), be provided with direction department I (21) between ejector pin (3) and electromagnet assembly (4), be equipped with direction department II (22) and direction department III (23) between sealing block (9) and valve (8), be direction department IV (24) between valve (8) and spring holder (15), be direction department V (25) between spring holder (15) and screw up cap (16), be short direction radial seal structure between spring holder (15) and valve (8), the middle part of spring holder (15) sets up to the sphere, screw up cap (16) upper end and be provided with semicircle recess, spring holder (15) and screw up cap (16) sphere cooperation, compensate the motion direction of valve (8).

3. The energy-saving high-flow pulse type exhaust electromagnetic valve according to claim 1, characterized in that: the electromagnet assembly (4) comprises a movable iron core (2) and a fixed seat (1), the fixed seat (1) is fixed at the upper end of the electromagnet assembly (4), an upper spring (34) is arranged between the ejector rod (3) and the movable iron core (2), an air passage (33) is arranged in the ejector rod (3), an air passing hole (32) is formed in the lower end of the electromagnet assembly (4), the air passage (33) is communicated with the air passing hole (32), an exhaust hole (26) is formed in the upper end of the shell (6), and the exhaust hole (26) is communicated with the air passing hole (32).

4. An energy-efficient high flow pulse exhaust solenoid valve according to claim 3, wherein: a balance air passage (27) is formed in the valve (8), the balance air passage (27) penetrates through the valve (8) up and down, and the upper end of the balance air passage (27) is communicated with the exhaust hole (26) through an air passing hole (32).

5. The energy-saving high-flow pulse type exhaust electromagnetic valve according to claim 1, characterized in that: the middle limiting annular groove (35) of the valve (8) is provided with an air hole channel along the circumferential direction and the circumferential direction of the cushion block (12), the middle part of the shell (6) is provided with an outlet (31), and the tightening cap (16) is provided with an inlet (28).

6. The energy-saving high-flow pulse type exhaust electromagnetic valve according to claim 1, characterized in that: a sealing ring II (7) is arranged between the upper part of the valve (8) and the inner wall of the shell (6), a sealing ring IV (11) is arranged between the lower part of the valve (8) and the inner wall of the shell (6), a sealing ring I (5) and a sealing ring III (10) are respectively arranged on the upper part and the lower part of the shell (6), threads are arranged on the upper part of the shell (6), and the shell (6) is in threaded connection with the system through the threads.