CN220268584U

CN220268584U - Electromagnetic valve

Info

Publication number: CN220268584U
Application number: CN202321561348.9U
Authority: CN
Inventors: 董云岳
Original assignee: Ningbo Maibai Technology Co ltd
Current assignee: Ningbo Maibai Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-29
Anticipated expiration: 2033-06-19

Abstract

The present utility model provides a solenoid valve comprising: the valve sleeve is provided with a first end and a second end which are oppositely arranged; a stator, wherein one end of the stator far away from the first end is provided with a recess; the rotor is arranged in the valve sleeve and close to the second end, a protrusion is arranged at one end of the rotor, which is far away from the second end, and the recess of the stator is connected and matched with the protrusion of the rotor; the elastic piece is arranged between the stator and the rotor, and is sleeved outside the rotor; the nozzle is arranged at the second end and is connected and matched with the rotor; the first air hole is arranged in the stator; the second air hole and the third air hole are arranged on the nozzle. Through setting up the arch on the rotor, the corresponding increase of electromagnetic force of rotor can respond in time to the operation, sets up the recess on the stator and can be connected the cooperation with the arch, and can increase the external diameter of stator in addition and increase electromagnetic force to under the prerequisite that rotor and stator all increase electromagnetic force, the electromagnetic force of whole solenoid valve increases, can respond in time.

Description

Electromagnetic valve

Technical Field

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

Background

Solenoid valves are electromagnetic controlled industrial devices, which are the basic elements of automation for controlling fluids, belonging to actuators. The basic structure of the electromagnetic valve mainly comprises: stator, mover, and elastic member. The two-position three-way electromagnetic valve device is mainly used for being in a second state or being communicated with a medium, the two-position three-way electromagnetic valve can be used for providing fluid as power, and the valve is used for providing control fluid trend and providing a flow channel of the control fluid. The valve core assembly of the electromagnetic valve has two different working positions when being opened and closed, the three-way valve has three passage ports, and a passage communicated between any two passage ports in the electromagnetic valve is called a working passage.

However, when the solenoid valve is applied to a field having time requirements for response of the solenoid valve, such as a solenoid valve applied to an exhaust pipe of a turbocharger of an automobile.

In the electromagnetic valve in the prior art, the stator is provided with the bulge, the rotor is provided with the recess, and when the rotor moves towards the stator, the recess on the rotor is matched with the bulge on the stator, and the electromagnetic valve is reduced due to the fact that the recess is arranged on the rotor, so that the electromagnetic valve of the rotor is weak, and the requirement of quick response cannot be met.

Disclosure of Invention

The utility model solves the problem that the electromagnetic force of the electromagnetic valve in the prior art is weak, and the requirement of quick response cannot be met.

In order to solve the above problems, the present utility model provides a solenoid valve comprising: the valve sleeve is provided with a first end and a second end which are oppositely arranged; the stator is arranged in the valve sleeve and close to the first end, and one end of the stator far away from the first end is provided with a recess; the rotor is arranged in the valve sleeve and close to the second end, a bulge is arranged at one end of the rotor, which is far away from the second end, the concave of the stator is connected and matched with the bulge of the rotor, and a through hole for air flow to pass through is formed at the position, which is close to the second end, of the rotor; the elastic piece is arranged between the stator and the rotor, and is sleeved outside the rotor; the nozzle is arranged at the second end and is connected and matched with the rotor; the first air hole is arranged in the stator; the second air hole and the third air hole are arranged on the nozzle; when the electromagnetic valve is in a first state, the second air hole is communicated with the third air hole; when the electromagnetic valve is in the second state, the first air hole is communicated with the third air hole.

Compared with the prior art, the technical effect that adopts this scheme can reach: through setting up the arch on the rotor, the corresponding increase of electromagnetic force of rotor can respond in time to the operation, sets up the recess on the stator and can be connected the cooperation with the arch, and can increase the external diameter of stator in addition and increase electromagnetic force to under the prerequisite that rotor and stator all increase electromagnetic force, the electromagnetic force of whole solenoid valve increases, can respond in time.

In this embodiment, the mover includes: a mover body; and the first sealing piece is arranged on the rotor body and is close to the position of the second end, and the first sealing piece is close to the position of the second air hole on the nozzle.

The technical effect after the technical scheme is adopted is that the abrasion between the rotor and the nozzle is reduced by the arrangement of the first sealing element, and the service life of the rotor is prolonged; when the electromagnetic valve is in the second state, due to the arrangement of the first sealing piece, air flow can flow out from the third air hole to the first air hole, and the trend of the air flow is realized.

In this embodiment, the mover body includes: a base portion disposed proximate the second end; an electromagnetic portion extending in a direction approaching the first end; the elastic piece is sleeved on the periphery of the electromagnetic part, one end of the elastic piece is abutted against one end of the base part, and the other end of the elastic piece is abutted against one end of the stator.

The technical effect after this technical scheme of adoption is, in order to realize the installation of elastic component, sets up into base portion and electromagnetic portion with the active cell body, and is echelonment between base portion and the electromagnetic portion to in order to provide the installation space of elastic component, in order to make the one end of elastic component support with base portion and lean on, the other end supports with the one end of stator.

In this embodiment, further comprising: the second sealing piece is arranged between the rotor and the stator; wherein, when the solenoid valve is in the first state, the stator cooperates with the mover through a second seal that closes off the air flow to the first air hole.

The technical effect after adopting this technical scheme is, in order to guarantee that the solenoid valve is in the first state, is in the passageway of second state air current flow direction first gas pocket, establishes the second sealing member in the cover on the arch of active cell, and when the active cell moved, through the sealed cooperation of second sealing member between stator and the active cell to make the air current unable through the first gas pocket in the stator, thereby guarantee that the air current can only flow in second gas pocket and third gas pocket.

In this embodiment, the first seal member includes: rubber particles are arranged in the rotor body, the rubber particles comprise a first sealing surface, and the first sealing surface is arranged on one side of the rubber particles close to the second end; wherein, rubber grain with the second gas pocket adopts first sealed face seal.

The technical effect after the technical scheme is adopted is that the rubber particles have the characteristics of ageing resistance, long service life and easiness in maintenance, the first sealing element is preferably rubber particles, the mover moves in the working process of the electromagnetic valve, the service performance of the mover can be improved by placing the rubber particles, and the service lives of the mover and the nozzle are prolonged; wherein, the first sealed face is the plane, adopts the plane to seal between rubber grain and the second gas pocket so that the solenoid valve motion in-process work efficiency is higher.

In this embodiment, the first seal member includes: the arc-shaped sealing piece is arranged on the rotor body and comprises a second sealing surface, the second sealing surface is arranged on one side, close to the second end, of the arc-shaped sealing piece, and the arc-shaped sealing piece and the second air hole are sealed by the second sealing surface.

The technical effect after adopting this technical scheme is, first sealing member is as the arc sealing member of preferred, through setting up the arc sealing member in order to make second sealed face and second gas pocket seal, and wherein the second sealed face is the arc sealed face, has increased sealed face area and leakproofness, and active cell processing technology and shaping become simply, reduce cost.

In this embodiment, the first sealing surface is a plane, and a line seal is formed between the rubber particle and the second air hole.

The technical effect after adopting this technical scheme is, and it is comparatively convenient to adopt the mode of line seal, seals the second gas pocket through the mode of line seal but reduce cost.

In this embodiment, the second sealing surface is an arc surface, and a spherical seal is formed between the arc-shaped sealing element and the second air hole.

The technical effect after the adoption of the technical scheme is that the second sealing surface is an arc sealing surface, so that the sealing surface area and the sealing performance are increased, the processing technology and the forming of the rotor are simplified, and the cost is reduced.

In this embodiment, the number of the third air holes is plural, and the third air holes are arranged along the circumferential direction of the nozzle; the number of the second air holes is one, and the second air holes are arranged in the middle of the nozzle.

The technical effect after adopting this technical scheme is, and the quantity of third gas pocket is a plurality of can connect a plurality of pipelines respectively, and the operation of solenoid valve can be realized through the third gas pocket with arbitrary pipeline.

Drawings

FIG. 1 is a schematic diagram of a solenoid valve according to the present utility model;

FIG. 2 is a schematic cross-sectional view taken in the direction A-A of FIG. 1 and showing the solenoid valve in a second state;

FIG. 3 is a schematic cross-sectional view taken in the direction A-A of FIG. 1 and showing the solenoid valve in a first state;

FIG. 4 is a schematic view of a stator according to the present utility model;

FIG. 5 is a schematic diagram of a structure of a mover according to the present utility model;

FIG. 6 is a schematic view of a nozzle according to the present utility model;

FIG. 7 is a schematic view of the valve housing of the solenoid valve of the present utility model;

FIG. 8 is a schematic diagram of the structure of the electromagnetic valve rotor and stator of the present utility model;

fig. 9 is a schematic structural view of an electromagnetic valve employing an arc-shaped sealing member according to the present utility model.

Reference numerals illustrate: 1. an electromagnetic valve; 2. a valve sleeve; 201. a first end; 202. a second end; 3. a stator; 301. a recess; 302. a first air hole; 4. a mover; 401. a protrusion; 402. a through hole; 403. a mover body; 404. a base portion; 405. an electromagnetic section; 5. an elastic member; 6. a nozzle; 601. a second air hole; 602. a third air hole; 7. a first seal; 8. a second seal; 9. rubber particles; 10. an arc-shaped seal; 11. a solenoid.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

The present utility model provides a solenoid valve 1, as shown in fig. 1-9: comprising the following steps: a valve housing 2 having oppositely disposed first and second ends 201, 202; a stator 3 disposed in the valve housing 2 and close to the first end 201, wherein a recess 301 is disposed at an end of the stator 3 away from the first end 201; the rotor 4 is arranged in the valve sleeve 2 and is close to the second end 202, a protrusion 401 is arranged at one end of the rotor 4 far away from the second end 202, the recess 301 of the stator 3 is connected and matched with the protrusion 401 of the rotor 4, and a through hole 402 for air flow to pass through is arranged at the position of the rotor 4 close to the second end 202; the elastic piece 5 is arranged between the stator 3 and the rotor 4, and the elastic piece 5 is sleeved outside the rotor 4; a nozzle 6, disposed at the second end 202, where the nozzle 6 is connected to and matched with the mover 4; a first air hole 302 provided in the stator 3; the second air hole 601 and the third air hole 602 are arranged on the nozzle 6; when the electromagnetic valve 1 is in the first state, the second air hole 601 is communicated with the third air hole 602; when the solenoid valve 1 is in the second state, the first air hole 302 communicates with the third air hole 602.

The electromagnetic valve 1 comprises a device body, the valve sleeve 2 is arranged in the device body, a bracket is arranged in the device body and used for installing the valve sleeve 2, the nozzle 6 is arranged on the bracket, a solenoid 11 is further arranged in the device body, the solenoid 11 is arranged on two sides of the valve sleeve 2, and when the solenoid 11 is electrified, the electromagnetic valve 1 is opened so that the stator 3 drives the rotor 4 to move.

As shown in fig. 4, the bottom end of the stator 3 is provided with a recess 301, the cross section of the recess 301 is similar to an isosceles trapezoid with a short upper bottom and a long lower bottom to form an accommodating space for accommodating a boss 401 on the mover 4, and is communicated with the recess 301, the stator 3 is internally provided with a first air hole 302, and the first air hole 302 is arranged through the axial direction of the stator 3 so that air flow can flow into the first air hole 302 through the recess 301 and finally flow into a pipeline corresponding to the first air hole 302; meanwhile, compared with the prior art, the outer diameter of the stator 3 is lengthened, and the electromagnetic force of the stator 3 can be increased, so that the electromagnetic valve 1 can respond quickly.

As shown in fig. 5, the top end of the mover 4 is provided with a protrusion 401, the protrusion 401 is a boss, the cross section of which is similar to an isosceles trapezoid with a short upper bottom and a long lower bottom, so as to match with the accommodating space, and the protrusion 401 on the mover 4 can increase the electromagnetic force of the mover 4, so that the electromagnetic valve 1 can respond quickly.

The elastic piece 5 is arranged to form elastic fit between the rotor 4 and the stator 3, so that the fit degree between the stator 3 and the rotor 4 is improved, and the motion conversion efficiency of the stator 3 and the rotor 4 is improved; under the condition of power on, the stator 3 moves to enable the elastic piece 5 to deform to drive the rotor 4 to move, and the elastic force generated during deformation of the elastic piece 5 resets the stator 3 and the rotor 4 to realize the periodic and cyclic movement of the electromagnetic valve 1. And the elastic piece 5 is arranged on the outer side of the rotor 4, so that the elastic force generated by the deformation of the elastic piece 5 can quickly reset the stator 3 and the rotor 4.

The nozzle 6 is provided with a second air hole 601 and a third air hole 602, and the second air hole 601 and the third air hole 602 can be respectively connected with the air channel pipe. When the electromagnetic valve 1 is in a first state under the condition of being electrified, the second air hole 601 is communicated with the third air hole 602; when the power is off, the solenoid valve 1 is in the second state, and the first air hole 302 is in communication with the third air hole 602. The through hole 402 on the mover 4 corresponds to the position of the third air hole 602, so that when the solenoid valve 1 is in the second state, the air flow passes through the third air hole 602 and through the through hole 402 on the mover 4, flows through the side of the protrusion 401 on the mover 4 and through the recess 301 on the stator 3, and finally flows out through the first air hole 302 on the stator 3.

In order to improve the service life of the nozzle 6, the nozzle 6 is provided with a sealing gasket along the circumferential direction, and the sealing gasket is a rubber ring, so that the abrasion caused by the connection between the nozzle 6 and the air pipeline can be reduced.

Further preferably, the mover 4 includes: a mover body 403; a first sealing member 7 is arranged on the body of the mover 4 and is close to the second end 202, and the first sealing member 7 is close to the second air hole 601 on the nozzle 6.

In order to reduce the moving wear between the mover 4 body and the stator 3, a first seal 7 is provided on the mover body 403, by the action of the first seal 7. Under the condition of power on, the electromagnetic valve 1 is in a first state, the rotor 4 moves towards the stator 3, and when the rotor body 403 is in fit connection with the stator 3, the first sealing piece 7 on the rotor body 403 is in direct contact with the stator 3, so that collision between the rotor body 403 and the stator 3 can be buffered, and the service lives of the rotor body 403 and the stator 3 are prolonged.

Further preferably, the mover body 403 includes: a base portion 404 disposed proximate the second end 202; an electromagnetic portion 405 extending in a direction approaching the first end 201; the elastic member 5 is sleeved on the outer periphery of the electromagnetic portion 405, one end of the elastic member 5 abuts against one end of the base portion 404, and the other end of the elastic member 5 abuts against one end of the stator 3.

The mover body 403 includes a base portion 404 and an electromagnetic portion 405, wherein the base portion 404 is preferably a cylinder, and wherein the through hole 402 in the mover 4 is provided in the base portion 404 and penetrates in the axial direction of the base portion 404, and the through hole 402 is provided opposite to the third air hole 602 to ensure air intake. Wherein, both the base portion 404 and the electromagnetic portion 405 can generate electromagnetic force when the solenoid 11 is energized.

Further optimizing, still include: a second seal 8 provided between the mover 4 and the stator 3; wherein, when the electromagnetic valve 1 is in the first state, the stator 3 is matched with the rotor 4 through a second sealing piece 8, and the second sealing piece 8 closes the air flow to the first air hole 302.

The second sealing element 8 may be sleeved outside the protrusion 401 and installed at the top of the mover 4, and the second sealing element 8 may also be sleeved at the bottom of the stator 3, so that, when the electromagnetic valve 1 is in the first state, the second sealing element 8 is sleeved on the protrusion 401 of the mover 4, and when the mover 4 moves, the stator 3 and the mover 4 are in sealing fit through the second sealing element 8, so that the air flow cannot pass through the first air hole 302 in the stator 3, and the air flow can only flow in the second air hole 601 and the third air hole 602. The second seal 8 is preferably a sealing ring having an inner diameter larger than the maximum outer diameter of the protrusion 401.

Further preferably, the first seal 7 comprises: rubber particle 9 disposed in the mover body 403, the rubber particle 9 including a first sealing surface disposed on a side of the rubber particle 9 near the second end 202; wherein, the rubber particles 9 and the second air holes 601 are sealed by a first sealing surface.

Further preferably, the first sealing surface is a plane, and a line seal is arranged between the rubber particles 9 and the second air holes 601.

The first sealing member 7 preferably adopts rubber particles 9, and the rubber particles 9 have the characteristics of aging resistance, long service life and easy maintenance. In the working process of the electromagnetic valve 1, the rotor 4 moves, and the rubber particles 9 are placed, so that the service performance of the rotor 4 can be improved, and the service lives and the working efficiency of the rotor 4 and the nozzle 6 can be prolonged; the first sealing surface is a plane, and the rubber particles 9 and the second air holes 601 are sealed by the plane, so that the working efficiency of the electromagnetic valve 1 is higher in the moving process.

Further preferably, the third air holes 602 are plural in number and are arranged along the circumferential direction of the nozzle 6; the number of the second air holes 601 is one, and the second air holes are arranged in the middle of the nozzle 6.

As shown in fig. 6, four third air holes 602 are disposed at the bottom of the nozzle 6, the four third air holes 602 are uniformly disposed along the circumferential direction of the bottom of the nozzle 6, the second air hole 601 is disposed in the middle of the bottom of the nozzle 6 and extends toward the second end 202 along the nozzle 6, the second air hole 601 and the third air hole 602 can be connected with an air channel pipeline, and the size of the second air hole 601 is relatively larger than the through hole 402 in the mover 4, so that the air flow can smoothly flow.

Embodiment 2, as shown in fig. 9, unlike embodiment 1, the first seal 7 includes: the arc-shaped sealing element 10 is arranged on the rotor body 403, the arc-shaped sealing element 10 comprises a second sealing surface, the second sealing surface is arranged on one side, close to the second end 202, of the arc-shaped sealing element 10, and the arc-shaped sealing element 10 and the second air hole 601 are sealed by adopting the second sealing surface.

Further preferably, the second sealing surface is an arc surface, and a spherical seal is formed between the arc-shaped sealing element 10 and the second air hole 601.

The first sealing element 7 is preferably an arc-shaped sealing element 10, and the arc-shaped sealing element 10 is arranged to enable the second sealing surface to be sealed with the second air hole 601, wherein the second sealing surface is an arc-shaped sealing surface, so that the sealing surface area and the sealing performance are improved, the processing technology and the forming of the rotor 4 are simplified, and the cost is reduced. The arc-shaped sealing element 10 can adopt a spherical sealing element or an inverted mushroom-shaped sealing element, so that the contact surface between the arc-shaped sealing element 10 and the second air hole 601 is in spherical contact, the sealing surface and the sealing performance are increased, the processing technology and the forming of the rotor 4 are simpler, and the cost is reduced.

The specific principle of the utility model is as follows: when the solenoid valve 1 in the present utility model is in the second state, the solenoid 11 is not energized, and at this time, the mover 4 and the stator 3 are in the state shown in fig. 2, the air flow path is shown as a path B in the drawing, the air flow passes through the third air hole 602, through the through hole 402 in the mover 4, through the side of the protrusion 401 in the mover 4 and through the recess 301 in the stator 3, and finally flows out through the first air hole 302 in the stator 3.

When the electromagnetic valve 1 is opened, the solenoid 11 is electrified, at the moment, the stator 3 generates magnetic force to adsorb the rotor 4 to move, the rotor 4 moves towards the direction of the stator 3 and compresses the elastic piece 5, and when the rotor body 403 is connected with the stator 3 in a matched manner, the second sealing piece 8 on the rotor 4 body is in direct contact with the stator 3, so that collision between the rotor body 403 and the stator 3 can be buffered, and the service lives of the rotor body 403 and the stator 3 can be prolonged. At this time, the mover 4 and the stator 3 are in the state shown in fig. 3, the air flow channel is shown as a path C in the figure, the air flow passes through the third air hole 602, and the air flow flows out through the second air hole 601 due to the first air hole 302 being closed by the cooperation of the mover 4 and the stator 3.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims

1. A solenoid valve, comprising:

a valve housing (2) provided with a first end (201) and a second end (202) arranged opposite to each other;

a stator (3) arranged in the valve sleeve (2) and close to the first end (201), wherein a recess (301) is arranged at one end of the stator (3) far away from the first end (201);

the rotor (4) is arranged in the valve sleeve (2) and is close to the second end (202), a protrusion (401) is arranged at one end, far away from the second end (202), of the rotor (4), the recess (301) of the stator (3) is connected and matched with the protrusion (401) of the rotor (4), and a through hole (402) for air flow to pass through is formed in the position, close to the second end (202), of the rotor (4);

the elastic piece (5) is arranged between the stator (3) and the rotor (4), and the elastic piece (5) is sleeved outside the rotor (4);

the nozzle (6) is arranged at the second end (202), and the nozzle (6) is connected and matched with the rotor (4);

a first air hole (302) provided in the stator (3); a second air hole (601) and a third air hole (602) are arranged on the nozzle (6);

when the electromagnetic valve (1) is in a first state, the second air hole (601) is communicated with the third air hole (602); when the electromagnetic valve (1) is in the second state, the first air hole (302) is communicated with the third air hole (602).

2. The solenoid valve according to claim 1, characterized in that said mover (4) comprises:

a mover body (403);

and the first sealing piece (7) is arranged on the rotor body (403) and is close to the second end (202), and the first sealing piece (7) is close to the second air hole (601) on the nozzle (6).

3. The solenoid valve according to claim 2, characterized in that said mover body (403) comprises: a base portion (404) disposed proximate the second end (202);

an electromagnetic portion (405) extending in a direction approaching the first end (201);

the outer periphery of the electromagnetic part (405) is sleeved with the elastic piece (5), one end of the elastic piece (5) is abutted against one end of the base part (404), and the other end of the elastic piece (5) is abutted against one end of the stator (3).

4. The solenoid valve of claim 2, further comprising:

a second seal (8) provided between the mover (4) and the stator (3);

wherein, when the electromagnetic valve (1) is in a first state, the stator (3) is matched with the rotor (4) through a second sealing piece (8), and the second sealing piece (8) closes the air flow to the first air hole (302).

5. A solenoid valve according to claim 2, characterised in that said first seal (7) comprises: rubber particles (9) are arranged in the rotor body (403), the rubber particles (9) comprise a first sealing surface, and the first sealing surface is arranged at one side of the rubber particles (9) close to the second end (202); wherein the rubber particles (9) and the second air holes (601) are sealed by a first sealing surface.

6. A solenoid valve according to claim 2, characterised in that said first seal (7) comprises: the arc-shaped sealing element (10) is arranged on the rotor body (403), and the arc-shaped sealing element (10) comprises a second sealing surface which is arranged on one side of the arc-shaped sealing element (10) close to the second end (202);

wherein the arc-shaped sealing piece (10) and the second air hole (601) are sealed by a second sealing surface.

7. The solenoid valve according to claim 5, characterized in that said first sealing surface is planar and that a line seal is provided between said rubber pellet (9) and said second air hole (601).

8. The electromagnetic valve according to claim 6, characterized in that the second sealing surface is an arc surface, and a spherical seal is formed between the arc-shaped sealing element (10) and the second air hole (601).

9. The electromagnetic valve according to claim 1, characterized in that the number of the third air holes (602) is plural, and is arranged along the circumferential direction of the nozzle (6); the number of the second air holes (601) is one, and the second air holes are arranged in the middle of the nozzle (6).