CN219432583U - Anti-pollution solenoid valve motor - Google Patents

Abstract

The utility model discloses an anti-pollution electromagnetic valve motor, which belongs to the field of electromagnetic valves and adopts the technical scheme that the anti-pollution electromagnetic valve motor comprises a valve part and a solenoid part, wherein the valve part comprises a valve body and a valve core, the solenoid part comprises a shell and a movable part, a sliding cavity is arranged in the shell, at least part of the movable part is positioned in the sliding cavity in the shell and is connected with the valve core, and the movable part can reciprocate in the sliding cavity and can drive the valve core to reciprocate in the valve body; an internal and external pressure difference balancing channel communicated with the sliding chamber is arranged on the shell; the outlet of the internal and external pressure difference balancing channel is exposed to the liquid immersed in the electromagnetic valve motor and is communicated with the atmosphere, and/or the outlet of the internal and external pressure difference balancing channel is arranged on the shell at a position far away from the valve part, and at least two sections of the internal and external pressure difference balancing channel are provided with curved channels. The utility model achieves the effect of improving the pollution resistance of the solenoid valve motor.

Description

Anti-pollution solenoid valve motor

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an anti-pollution electromagnetic valve motor.

Background

Solenoid valves are solenoid-operated industrial devices, which are automated basic components used to control fluids, and are used in industrial control systems to regulate the direction, flow, velocity, and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. Solenoid valves are many, and different solenoid valves function at different locations in the control system, most commonly one-way valves, safety valves, directional control valves, speed regulating valves, and the like.

In the prior art, a solenoid valve includes a valve portion and a solenoid portion. The valve part comprises a valve body and a valve core, the interior of the valve body is of a hollow structure, the valve core is positioned in the valve body and is in sliding connection with the valve body, a valve port is formed in the valve body, and the valve port is communicated with the hollow part in the valve body; the solenoid portion includes shell, skeleton, push rod, magnetic conduction pipe, armature and end cover, and shell and valve body fixed connection just keep away from the one end opening of valve body, and the skeleton is located inside the shell, and the winding has the solenoid on the skeleton, and magnetic conduction pipe is located the skeleton, and the cavity that supplies the armature to slide in the magnetic conduction pipe is inside to be offered, and push rod and armature are located the cavity, and end cover and shell open end joint. The existing automatic gearbox uses an electromagnetic valve as an actuator, most of the electromagnetic valve works in an oil immersed state, when a solenoid is electrified, magnetism of the solenoid attracts an armature, and the armature drives a push rod of the electromagnetic valve to move so as to open or close a valve; when the push rod reciprocates, the cavity in the magnetic conduction pipe is communicated with the outside, as shown in fig. 1, and the existing communication mode is that an oil through groove 1 is formed at the joint of the valve body and the shell.

With respect to the above-described related art, the inventors consider that there are the following drawbacks: with the use of gearbox, the inside part wearing and tearing of gearbox can produce pollution such as piece, and in the use of solenoid valve, gearbox oil can be along with the push rod removal entering into the inside cavity of magnetic conduction pipe, and the pollutant also is along with the gearbox oil entering into in the solenoid valve, and in the solenoid valve use, the pollutant in the gearbox oil can accumulate in magnetic conduction pipe, and spare part wearing and tearing cause the pollutant jamming, influence the normal work of solenoid valve, can lead to the dead inefficacy of solenoid valve card when serious.

Disclosure of Invention

In order to prevent pollutants in gearbox oil from entering a solenoid part and improve the anti-pollution capability of a solenoid valve motor, the utility model provides the anti-pollution solenoid valve motor.

The utility model provides an anti-pollution electromagnetic valve motor which adopts the following technical scheme:

an anti-pollution electromagnetic valve motor comprises a valve part and a solenoid part, wherein the valve part comprises a valve body and a valve core, the solenoid part comprises a shell and a movable part, a sliding cavity is arranged in the shell, at least a part of the movable part is positioned in the sliding cavity in the shell in a section and is connected with the valve core, and the movable part can reciprocate in the sliding cavity and can drive the valve core to reciprocate in the valve body;

an internal and external pressure difference balancing channel communicated with the sliding chamber is arranged on the shell, and can balance the internal and external pressure difference in the sliding chamber in the reciprocating process of the movable part; the outlet of the internal and external pressure difference balancing channel is arranged on the shell;

the outlet of the internal and external pressure difference balancing channel is exposed to the liquid immersed by the electromagnetic valve motor and is communicated with the atmosphere, and/or the outlet of the internal and external pressure difference balancing channel is arranged on the shell at a position far away from the valve part, and at least two sections of the internal and external pressure difference balancing channel are provided with curved channels.

By adopting the technical scheme, when the solenoid part is electrified, the movable part in the solenoid part can reciprocate in the sliding cavity, and the movable part is required to be communicated with the outside to keep the internal and external pressure difference consistent when reciprocating, because the size of the shell is large, the length of the internal and external pressure difference balance channel arranged on the shell is long, the number of times of bending the internal and external pressure difference balance channel is large, the external air or liquid is sucked, the resistance is large, the complex internal and external pressure difference balance channel can enable pollutants in the liquid to be deposited in the channel, the pollutants in the liquid can be effectively prevented from entering the solenoid part, the abrasion of the pollutants on solenoid valve parts is reduced, and the service life of the solenoid valve is prolonged.

By adopting the technical scheme, when the outlet of the internal and external pressure difference balancing channel is exposed to the liquid immersed by the solenoid valve motor and is communicated with the atmosphere, the pollutants in the air are fewer, and the probability of the pollutants entering the solenoid valve is reduced.

Preferably, the casing comprises a shell and an end cover, the shell is fixedly connected with the valve body, the end cover is detachably connected with one end, far away from the valve body, of the shell, and the internal and external differential pressure balancing channel is formed in the end cover.

Through adopting above-mentioned technical scheme, when the armature produced the pumping action, can make air or liquid enter into solenoid portion from inside and outside differential pressure balance channel, but the circulation volume of logical groove and inside and outside differential pressure balance channel is greater than the pumping volume of armature during operation, and inside and outside differential pressure balance channel and logical groove can make the pollutant deposit in the liquid in addition, can not enter into solenoid portion, very big improvement the antipollution ability of solenoid valve.

Preferably, the movable component comprises a push rod and an armature, the push rod is in butt joint with the valve core, the armature is in sliding connection in the shell, the electromagnetic valve motor further comprises a fixed component, the fixed component comprises a framework and a magnetic conduction pipe, the framework is fixedly connected in the shell, a solenoid coil is wound outside the framework, the magnetic conduction pipe is located in the framework and is fixedly connected with the shell, a through groove is formed between the end cover and the framework and between the magnetic conduction pipe, and the internal and external differential pressure balance channel is communicated with the sliding cavity through the through groove.

Through adopting above-mentioned technical scheme, be formed with logical groove between armature and end cover, the armature is when producing pumping action, can follow logical groove department absorption air or liquid, guarantees that the armature can slide smoothly.

Preferably, the internal and external differential pressure balancing passage includes an axial portion and a circumferential portion, the circumferential portion extending in a circumferential direction of the end cover, the axial portion extending in a direction of an axial line of the end cover.

Through adopting above-mentioned technical scheme, inside and outside differential pressure balance channel has the circulation passageway of certain length for inside and outside differential pressure balance channel's circulation volume is greater than the pumping volume of armature during operation far away, and inside and outside differential pressure balance channel sets up to crooked multistage, has strengthened the resistance that liquid entered into solenoid portion, prevents that the pollutant from entering into solenoid portion.

Preferably, the circumferential part of the internal and external differential pressure balancing channel is a C-shaped channel.

Through adopting above-mentioned technical scheme, inside and outside differential pressure balance channel design is C shape, and the circulation body of the inside and outside differential pressure balance channel of C shape is greater than the pumping volume of armature during operation far away, and the design of C shape can make the pollutant deposit in inside and outside differential pressure balance channel moreover, can not enter into solenoid portion, has further improved the antipollution ability of solenoid valve.

Preferably, the circumferential part of the internal and external differential pressure balancing channel is a spiral C-shaped channel.

Through adopting above-mentioned technical scheme, inside and outside differential pressure balance channel is further designed into spiral C shape passageway, and the resistance of liquid in inside and outside differential pressure balance channel grow, is less easy to enter into solenoid portion, and the possibility further increase of pollutant deposit in the liquid in inside and outside differential pressure balance channel can be made in spiral design, very big improvement the antipollution ability of solenoid valve.

Preferably, the fixing part further comprises a guide ring, the guide ring is fixedly connected with the end cover, and the through groove is communicated with the sliding chamber through a cavity in the guide ring.

Through adopting above-mentioned technical scheme, the cavity that slides the cavity through the guide ring communicates with logical groove, keeps the inside and outside pressure differential balance of sliding the cavity to satisfy armature and push rod required pressure of reciprocating motion.

Preferably, a valve cavity is formed in the middle of the valve body, the valve core is located in the valve cavity and is in sliding connection with the valve cavity, a valve port is formed in the valve body, the valve port is communicated with the valve cavity, and the push rod is in butt joint with the valve core.

Through adopting above-mentioned technical scheme, push rod and case butt, the push rod can drive the case and remove when the motion, and the case removes, can make gearbox oil can switch the oil circuit, satisfies the user demand.

In summary, the utility model has the following beneficial effects: an inner pressure difference balancing channel and an outer pressure difference balancing channel which meet the pumping action of the armature are arranged at one end, far away from the valve portion, of the solenoid portion, the circulating volume of the inner pressure difference balancing channel and the outer pressure difference balancing channel is far greater than the pumping volume of the armature during operation, pollutants can be deposited in the inner pressure difference balancing channel and the outer pressure difference balancing channel, the pollutants cannot enter the solenoid portion, and the anti-pollution capacity of the solenoid valve is greatly improved.

Drawings

Fig. 1 is a schematic diagram of a structure of a through oil groove according to the background art.

Fig. 2 is a schematic structural view of an anti-pollution solenoid motor.

Fig. 3 is a schematic view of a structure of an anti-contamination solenoid motor intended to show a solenoid portion.

Fig. 4 is a schematic structural view of an anti-pollution solenoid motor intended to show an internal and external differential pressure balancing passage.

Reference numerals illustrate:

1. oil through grooves; 2. a valve section; 21. a valve body; 211. a valve port; 22. a valve core; 3. a solenoid section; 31. a housing; 311. a housing; 312. an end cap; 32. a fixing member; 321. a skeleton; 3211. a solenoid; 322. a magnetic conduction tube; 323. a guide ring; 33. a movable member; 331. a push rod; 332. an armature; 4. a slip chamber; 5. a through groove; 6. an internal and external differential pressure balancing channel; 61. an inlet; 62. and an outlet.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

An anti-pollution electromagnetic valve motor, as shown in figure 2, comprises a valve part 2 and a solenoid part 3, wherein the valve part 2 is connected with the solenoid part 3, the valve part 2 is used for adjusting the pressure of a connected pipeline, and the solenoid part 3 is used for controlling the working state of the valve part 2.

As shown in fig. 3, the valve comprises a valve body 21 and a valve core 22, a valve cavity is formed in the valve body 21, the valve core 22 is positioned in the valve cavity and is in sliding connection with the valve body 21, a plurality of valve ports 211 for transmission oil to flow are formed in the valve body 21, and the valve ports 211 are communicated with the valve cavity.

As shown in fig. 3, the solenoid portion 3 includes a housing 31, a fixed member 32, and a movable member 33. The housing 31 includes a housing 311 and an end cap 312, the housing 311 is fixedly connected with one end of the valve body 21, the end cap 312 is clamped with one end of the housing 311 far away from the valve body 21, and the fixed member 32 and the movable member 33 are placed in a cavity formed by the housing 311 and the end cap 312 together. The fixing component 32 comprises a framework 321, a magnetic conduction pipe 322 and a guide ring 323, wherein the framework 321 is positioned in the shell 311 and fixedly connected with the shell 311, a solenoid 3211 is arranged on the framework 321, a space for winding the solenoid 3211 is reserved between the outer wall of the framework 321 and the inner wall of the shell 311, and one end of the solenoid 3211 is fixedly connected with the framework 321 and wound on the framework 321. The magnetic conductive pipe 322 is positioned in the framework 321 and is abutted with the framework 321, and a sliding chamber 4 in which the movable part 33 can reciprocate is formed in the magnetic conductive pipe 322. The guide ring 323 is positioned in the magnetic conductive pipe 322 and fixedly connected with the end cover 312.

As shown in fig. 3, the movable member 33 includes a push rod 331 and an armature 332, wherein the armature 332 is made of a material that can be attracted by magnetic force and is slidably connected in the sliding chamber 4, the push rod 331 is also located in the sliding chamber 4, and one end of the push rod 331 abuts against the armature 332 and the other end abuts against the valve element 22. In use, when the solenoid 3211 is energized, the solenoid 3211 generates a magnetic force that attracts the armature 332, and when the armature 332 is attracted, the pushrod 331 reciprocates to regulate the solenoid pressure.

As shown in fig. 3 and 4, a through groove 5 is provided between the end cap 312, the armature 332, and the armature 321, and one end of the through groove 5 communicates with the slip chamber 4. In this embodiment, the oil passing groove 1 in the prior art is sealed, and the end cover 312 is provided with an internal and external pressure difference balancing channel 6, and the internal and external pressure difference balancing channel 6 can balance the internal and external pressure differences in the sliding chamber 4 during the reciprocating motion process of the push rod 331 and the armature 332. The inlet 61 of the internal and external pressure difference balancing channel 6 is communicated with one end of the through groove 5 far away from the sliding chamber 4, the outlet 62 of the internal and external pressure difference balancing channel 6 is communicated with the outside, the positions of the inlet 61 and the outlet 62 of the internal and external pressure difference balancing channel 6 are staggered, the internal and external pressure difference balancing channel 6 can be a C-shaped channel, the flow area of the C-shaped channel is large, a spiral C-shaped channel can be preferred, and the spiral design can better deposit gearbox oil in the C-shaped channel and cannot enter the solenoid part 3.

The application principle of the utility model is as follows: when the solenoid coil 3211 is electrified, the magnetic force generated by the solenoid coil 3211 attracts the armature 332 through the magnetic conduction pipe 322, so that the armature 332 slides, the sliding armature 332 generates a pumping action, the application provides an internal and external pressure difference balancing channel 6 at one end of the solenoid part 3, which is far away from the valve part 2, so that the pressure change required by the pumping action of the armature 332 is met, instead of providing the oil through groove 1 between the valve body 21 and the shell 311, the circulation volume of the internal and external pressure difference balancing channel 6 is far greater than the pumping volume of the armature 332 during operation, and the complex channel design ensures that pollutants in gearbox oil are deposited in the channel and are not easy to enter the solenoid part 3, so that the anti-pollution capability of the electromagnetic valve is greatly improved.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. An anti-pollution solenoid valve motor which characterized in that: the valve comprises a valve part (2) and a solenoid part (3), wherein the valve part (2) comprises a valve body (21) and a valve core (22), the solenoid part (3) comprises a shell (31) and a movable part (33), a sliding chamber (4) is arranged in the shell (31), at least a part of the movable part (33) is positioned in the sliding chamber (4) in the shell (31) and is connected with the valve core (22), and the movable part (33) can reciprocate in the sliding chamber (4) and can drive the valve core (22) to reciprocate in the valve body (21);

an internal and external pressure difference balancing channel (6) communicated with the sliding chamber (4) is arranged on the shell (31), and the internal and external pressure difference balancing channel (6) can balance the internal and external pressure difference in the sliding chamber (4) in the reciprocating process of the movable part (33); an outlet (62) of the internal and external pressure difference balancing channel (6) is arranged on the shell (31);

the outlet (62) of the internal and external pressure difference balancing channel (6) is exposed to the liquid immersed by the electromagnetic valve motor and is communicated with the atmosphere, and/or the outlet (62) of the internal and external pressure difference balancing channel (6) is arranged on the shell (31) at a position far away from the valve part (2) and at least two sections of the internal and external pressure difference balancing channel (6) are provided with curved channels.

2. An anti-contamination solenoid valve motor according to claim 1, wherein: the shell (31) comprises a shell (311) and an end cover (312), the shell (311) is fixedly connected with the valve body (21), the end cover (312) is detachably connected with one end, far away from the valve body (21), of the shell (311), and the inner and outer differential pressure balancing channel (6) is arranged on the end cover (312).

3. An anti-contamination solenoid valve motor according to claim 2, wherein: the movable part (33) comprises a push rod (331) and an armature (332), the push rod (331) is in butt with case (22), armature (332) sliding connection is in shell (311), solenoid valve motor still includes fixed part (32), fixed part (32) are including skeleton (321) and magnetic conduction pipe (322), skeleton (321) fixed connection is in shell (311) skeleton (321) winding has solenoid (3211) outward, magnetic conduction pipe (322) are located in skeleton (321) with shell (311) fixed connection end cover (312) with be formed with logical groove (5) between skeleton (321) magnetic conduction pipe (322), inside and outside differential pressure balance passageway (6) are through logical groove (5) with slip cavity (4) intercommunication.

4. An anti-contamination solenoid valve motor according to claim 3, wherein: the internal and external differential pressure balancing passage (6) includes an axial portion extending in a circumferential direction of the end cover (312) and a circumferential portion extending in a direction of an axial line of the end cover (312).

5. An anti-contamination solenoid valve motor according to claim 4, wherein: the circumferential part of the internal and external differential pressure balancing channel (6) is a C-shaped channel.

6. An anti-contamination solenoid valve motor according to claim 5, wherein: the circumferential part of the internal and external pressure difference balancing channel (6) is a spiral C-shaped channel.

7. An anti-contamination solenoid valve motor according to claim 3, wherein: the fixing part (32) further comprises a guide ring (323), the guide ring is fixedly connected with the end cover (312), and the through groove (5) is communicated with the sliding chamber (4) through a cavity in the guide ring (323).

8. An anti-contamination solenoid valve motor according to claim 3, wherein: the middle part of the valve body (21) is provided with a valve cavity, the valve core (22) is positioned in the valve cavity and is in sliding connection with the valve cavity, a valve port (211) is arranged on the valve body (21), the valve port (211) is communicated with the valve cavity, and the push rod (331) is abutted to the valve core (22).