CN215861974U

CN215861974U - Novel solenoid valve with high wear resistance valve core

Info

Publication number: CN215861974U
Application number: CN202122495505.8U
Authority: CN
Inventors: 沙斌
Original assignee: Wuxi Hengjie Magnetic Induction Technology Co ltd
Current assignee: Wuxi Hengjie Magnetic Induction Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-18
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a solenoid valve with a high-wear-resistance valve core, which comprises: the upper portion pipeline, its connection is in middle part pipeline top, just thread groove has been seted up to upper portion pipeline medial surface, and the shell top cap, it is installed upper portion pipeline top, just shell top cap top is provided with the electromagnetism ware, connects the pipe fitting, and it sets up on the shell top cap medial surface, and connect the pipe fitting below and be provided with the thread bush. This novel solenoid valve with high wear resistance case, can effectively promote solenoid valve and case when receiving the impact of the medium that flows under great pressure, can keep the firm and the closure of valve body, and can effectively carry out shock attenuation and spacing protection to the case, and can reduce the wearing and tearing that strike the production to the case, the resistance to compression and the wear resistance of case have effectively been promoted, thereby effectively promoted the life of solenoid valve body and case when receiving medium flow friction for a long time, and keep the stability of solenoid valve operation.

Description

Novel solenoid valve with high wear resistance valve core

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a novel electromagnetic valve with a valve core with high wear resistance.

Background

The solenoid valve is used for automatically controlling the flowing direction or the flowing speed of a fluid medium in the industry, the solenoid valve controls the movement of a valve body in a mode of attracting an electrified magnet coil through an electromagnet, and then an oil discharge hole in the valve body is opened and closed, the pressure of hydraulic oil is controlled to push a piston to open and close in a sliding mode, when the solenoid valve is located in a part of special environments, for example, jolting, vibrating or impacting phenomena occur, when the inside of the solenoid valve is subjected to large pressure generated by a high-speed flowing medium, the medium flows, so that a pipeline and a valve core are easily damaged, a valve body structure is loosened, and stable operation of the solenoid valve is influenced.

And the solenoid valve case structure that uses at present, for simple and easy lift piston structure, consequently when receiving the flow impact of high-pressure medium for a long time, if contain the material that has the wearing and tearing corrosivity to case metal material in the flowing medium, then make the case produce not hard up damage easily, and then lead to the unable accurate closure of solenoid valve or the normal flow of control medium, and can lead to the use quality of solenoid valve not good, cause the work efficiency of solenoid valve to reduce, be unfavorable for promoting the life of solenoid valve case, to above-mentioned problem, the urgent need is carried out the innovative design on the basis of original solenoid valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel electromagnetic valve with a valve core with high wear resistance, which aims to solve the problems that the existing electromagnetic valve and the valve core in the background technology cannot firmly bear the flowing and scouring of a medium with wear and corrosion, and the valve core cannot be effectively buffered from friction damage caused by the flowing of a high-pressure medium, so that the operation stability of the electromagnetic valve is not favorably improved, and the service life of the electromagnetic valve is not prolonged.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel solenoid valve with high wear resistance valve core includes:

the upper pipeline is connected above the middle pipeline, and a thread groove is formed in the inner side surface of the upper pipeline;

the top cover of the shell is arranged at the top of the upper pipeline, and an electromagnetic device is arranged above the top cover of the shell;

and the connecting pipe fitting is arranged on the inner side surface of the top cover of the shell, and a threaded sleeve is arranged below the connecting pipe fitting.

The setting up of above-mentioned structure makes the solenoid valve can stabilize and keep when receiving impact and the wearing and tearing of flowing medium under the high pressure, can keep the valve body position of connecting the water pipe to keep inseparable stable to the reduction causes the not hard up problem of wearing and tearing to valve body and case, has effectively promoted security and stability that the solenoid valve used.

Preferably, the upper portion pipeline constitutes the connectivity with middle part pipeline and butt joint screwed pipe, and upper portion pipeline and shell top cap constitution integral structure to the shell top cap is constituteed with the connecting tube and is run through the structure, and the setting up of above-mentioned structure makes solenoid valve inner structure more firm, can effectively keep solenoid valve body in receiving the stability under the medium impact of strong pressure.

Preferably, the connection pipe fitting and the electromagnetic device form a communication structure, the connection pipe fitting is connected with the threaded sleeve in a nested mode, the threaded sleeve forms a threaded structure through a threaded groove and an upper pipeline, the spring rod is arranged inside the connection pipe fitting in a clamped mode, the electromagnetic valve body and the electromagnetic valve core can be kept tight and stable when the electromagnetic valve body and the electromagnetic valve core are abraded and impacted due to medium flowing, and the problem that medium flowing is leaked due to looseness is avoided.

Preferably, the bottom of the spring rod is also vertically connected with a small threaded rod, the small threaded rod forms a telescopic structure with the connecting pipe fitting through the spring rod, and a telescopic sleeve is further arranged on the outer side of the small threaded rod.

Preferably, the telescopic sleeve and the small threaded rod form a nested structure, the telescopic sleeve is in threaded connection with the small threaded rod, the outer side of the telescopic sleeve is further coated with an external spring, and the bottom of the telescopic sleeve is horizontally provided with an external valve core.

Preferably, the outer valve core is of a cylindrical structure which is communicated from left to right, the outer valve core is made of stainless steel, the inner valve core is further clamped inside the outer valve core, and the arrangement of the structure enables the valve core to buffer and bear pressure generated by a flowing medium with large impact force in time and reduces abrasion caused by the medium impacting the valve core.

Preferably, the inner valve core is of a spherical structure, the inner valve core and the outer valve core are of a fixed and closed integrated structure, the valve core can effectively buffer pressure and abrasion generated by media due to the arrangement of the structure, the problem of damage and deformation of the valve core is reduced, and abrasion resistance and use stability of the valve core are effectively improved.

Compared with the prior art, the utility model has the beneficial effects that: the novel electromagnetic valve with the valve core with high wear resistance adopts a novel structural design, when the novel electromagnetic valve is used, the connecting structure of the electromagnetic valve core and the electromagnetic valve body is more stable and compact, the problems of looseness and abrasion caused by impact of a high-strength medium on the valve core can be effectively avoided, the device can be convenient for keeping the stability of the electromagnetic valve core, the abrasion and impact force generated on the electromagnetic valve core can be effectively reduced, and the service life of the electromagnetic valve core is effectively prolonged;

1. the structure of a thread groove, a connecting pipe fitting, a thread sleeve and a spring rod is arranged in the upper pipeline, the thread sleeve is screwed in the thread groove by utilizing a screw to be stably connected with the upper pipeline, and the principle that the spring rod elastically stretches in the connecting pipe fitting is utilized, so that the purposes that the connection structure of the electromagnetic valve core and the electromagnetic valve body is more stable and compact, and the problems of looseness and abrasion caused when the valve core is impacted by a high-strength medium can be effectively avoided;

2. the telescopic sleeve is provided with the structure of the external spring, the outer valve core and the inner valve core, the telescopic sleeve is wrapped by the external spring to buffer the received external impact force, the outer valve core is embedded and fixed, the inner valve core is formed into a spherical anti-abrasion structure and a cylindrical buffer structure, the electromagnetic valve core can be kept stable conveniently by the aid of the device, abrasion and impact force generated by the electromagnetic valve core are effectively reduced, and the service life of the electromagnetic valve core is effectively prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of a semi-sectional three-dimensional structure of the middle pipe of the present invention;

FIG. 3 is a schematic perspective view of the threaded sleeve of the present invention;

FIG. 4 is a schematic view of a semi-sectional three-dimensional structure of the connecting pipe fitting of the present invention;

fig. 5 is a schematic perspective view of the outer valve element of the present invention.

In the figure: 1. a middle pipe; 2. butting threaded pipes; 3. an upper pipe; 4. a thread groove; 5. a housing top cover; 6. an electromagnetic device; 7. connecting pipe fittings; 8. a threaded bushing; 9. a spring lever; 10. a small threaded rod; 11. a telescopic sleeve; 12. a spring is externally connected; 13. an outer valve core; 14. an inner valve core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel solenoid valve with high wear resistance valve core includes: the upper pipeline 3 is connected above the middle pipeline 1, a thread groove 4 is formed in the inner side face of the upper pipeline 3, the shell top cover 5 is installed at the top of the upper pipeline 3, an electromagnetic device 6 is arranged above the shell top cover 5, the connecting pipe fitting 7 is arranged on the inner side face of the shell top cover 5, and a thread sleeve 8 is arranged below the connecting pipe fitting 7;

when the device is used, the middle pipeline 1 is firstly installed on a pipeline with required flow control, the upper pipeline 3 is connected with the electromagnetic device 6 in a tight sealing mode through the fixing of the shell top cover 5, and when the electromagnetic valve passes through a medium with large flow and certain abrasion corrosivity, the threaded sleeve 8 for fixing the electromagnetic valve core is tightly screwed in the threaded groove 4, and a structure for stably fixing and avoiding loosening and shaking is achieved through the connecting pipe fitting 7.

Specifically, as shown in fig. 1 and 2, the upper pipeline 3, the middle pipeline 1 and the butt-joint threaded pipe 2 form a communicating structure, the upper pipeline 3 and the housing top cover 5 form an integrated structure, and the housing top cover 5 and the connecting pipe fitting 7 form a penetrating structure, when the upper pipeline 3 and the housing top cover 5 inside the solenoid valve are impacted by a large flow of medium, the fixing structure formed by the housing top cover 5 and the upper pipeline 3 can avoid the influence and damage on the upper-layer electromagnetic device 6, and the penetrating blocking of the connecting pipe fitting 7 can avoid the influence and damage on the circuit elements caused by the liquid medium penetrating through the upper pipeline 3;

connecting pipe fitting 7 and electromagnetism ware 6 constitute the connectivity structure, and connecting pipe fitting 7 and 8 nested connections of threaded sleeve, and threaded sleeve 8 passes through thread groove 4 and constitutes the helicitic texture with

upper portion pipeline

3, 7 inside still blocks and is provided with spring beam 9 of connecting pipe fitting simultaneously, when the solenoid valve received the medium that has certain corruption and impact force, threaded sleeve 8 closely blockked up the block inside upper portion pipeline 3 through thread groove 4, thereby constitute the fixed subassembly that is difficult not hard up and reveals with connecting pipe fitting 7, and then protect the circuit element part.

Specifically, as shown in fig. 2 and 3, the bottom of the spring rod 9 is also vertically connected with a small threaded rod 10, the small threaded rod 10 and the connecting pipe fitting 7 form a telescopic structure through the spring rod 9, and a telescopic sleeve 11 is further arranged outside the small threaded rod 10, when the solenoid valve opens the valve core switch, the telescopic sleeve 11 connected with the small threaded rod 10 is impacted by a liquid medium, the spring rod 9 is compressed by a thrust force, and the small threaded rod 10 is driven to move upwards, so that a certain impact force is buffered, and further, the abrasion damage to the solenoid valve is reduced;

the telescopic tube 11 and the little threaded rod 10 constitute nested structure, and telescopic tube 11 and little threaded rod 10 threaded connection, and the telescopic tube 11 outside still the cladding is provided with external spring 12, telescopic tube 11 bottom still the level is provided with outer case 13 simultaneously, telescopic tube 11 is firmly installed in little threaded rod 10 outside, and follow the upper and lower concertina movement of little threaded rod 10 and cushion the impact force that the liquid that flows produced, and the external spring 12 in the telescopic tube 11 outside can wrap up and cushion certain impact force, thereby the stability of auxiliary stay protection solenoid valve case and solenoid valve connection site.

Specifically, as shown in fig. 4 and 5, the outer valve element 13 is a cylindrical structure penetrating left and right, the outer valve element 13 is made of stainless steel, the inner valve element 14 is further clamped inside the outer valve element 13, and when the outer valve element 13 is impacted by a high-strength medium in a closed state, pressure and abrasion generated by a flowing medium can be buffered through the cylindrical structure of the outer valve element 13, so that the closed tightness of the outer valve element 13 is maintained, and the impact and pressure are reduced;

the inner valve core 14 is of a spherical structure, and the inner valve core 14 and the outer valve core 13 are of a fixed and closed integrated structure, and when a high-pressure flowing medium impacts on the spherical structure of the inner valve core 14, the flowing medium is dispersed and supported by the spherical structure, so that abrasion and shaking caused to the valve core are reduced, and the service life and the quality of the electromagnetic valve core are effectively prolonged.

The working principle is as follows: when the device is used, as shown in fig. 1-5, firstly, when a medium flowing at high pressure passes through the butt-joint threaded pipe 2 and the middle pipeline 1, the medium continuously washes the closed outer valve core 13 and the closed inner valve core 14, at this time, the thread sleeve 8 for fixing the valve core is firmly screwed in the thread groove 4 of the upper pipeline 3, and forms a tight and stable communication structure with the electromagnetic device 6 on the upper side of the shell top cover 5, and then the spring rod 9 is controlled by the electromagnetic device 6 to drive the small threaded rod 10 and the telescopic sleeve 11 to be lifted so as to open or close the valve core, when the liquid medium continuously washes and rubs the outer valve core 13 and the inner valve core 14, the liquid medium passes through the cylindrical inner cylinder structure of the outer valve core 13 and is buffered and blocked by the cylindrical inner wall structure, thereby the flowing rate of the medium is slowed down, further the electromagnetic valve core is not easily affected, and simultaneously, when the spherical surface of the inner valve core 14 is impacted by the liquid medium, the arc surface can reduce abrasion, so that the abrasion resistance and tightness of the electromagnetic valve core are effectively improved, and the novel electromagnetic valve with the valve core with high abrasion resistance is based on the working principle.

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

Claims

1. A novel electromagnetic valve with a valve core with high wear resistance is mainly composed of a middle pipeline and butt-joint threaded pipes, wherein the butt-joint threaded pipes are symmetrically arranged on two sides of the middle pipeline, and the middle pipeline and the butt-joint threaded pipes are of a metal cylindrical structure;

it is characterized by comprising:

2. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 1, is characterized in that: the upper pipeline, the middle pipeline and the butt-joint threaded pipe form a communicating structure, the upper pipeline and the shell top cover form an integrated structure, and the shell top cover and the connecting pipe form a penetrating structure.

3. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 1, is characterized in that: the connection pipe fitting and the electromagnetic device form a communication structure, the connection pipe fitting is connected with the threaded sleeve in a nested mode, the threaded sleeve forms a threaded structure through a threaded groove and an upper pipeline, and meanwhile the connection pipe fitting is internally clamped with the spring rod.

4. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 3, is characterized in that: the bottom of the spring rod is also vertically connected with a small threaded rod, the small threaded rod forms a telescopic structure with the connecting pipe fitting through the spring rod, and a telescopic sleeve is further arranged on the outer side of the small threaded rod.

5. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 4, is characterized in that: the telescopic sleeve and the small threaded rod form a nested structure, the telescopic sleeve is in threaded connection with the small threaded rod, the outer side of the telescopic sleeve is further coated with an external spring, and the bottom of the telescopic sleeve is further horizontally provided with an external valve core.

6. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 5, is characterized in that: the outer valve core is of a cylindrical structure which is communicated from left to right, is made of stainless steel, and is internally clamped with the inner valve core.

7. The novel electromagnetic valve with the valve core with high wear resistance as claimed in claim 6, is characterized in that: the inner valve core is of a spherical structure, and the inner valve core and the outer valve core are of a fixed and closed integrated structure.