CN216519874U - Low-noise exhaust electromagnetic valve - Google Patents
Low-noise exhaust electromagnetic valve Download PDFInfo
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- CN216519874U CN216519874U CN202123295040.8U CN202123295040U CN216519874U CN 216519874 U CN216519874 U CN 216519874U CN 202123295040 U CN202123295040 U CN 202123295040U CN 216519874 U CN216519874 U CN 216519874U
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Abstract
The utility model discloses a low-noise exhaust electromagnetic valve; comprises an exhaust pipe body, an electromagnetic coil and a magnetic valve main body; the exhaust pipe body is provided with an air inlet positioned at the top of the exhaust pipe body and an air outlet arranged on the outer wall of the upper end of the exhaust pipe body; an exhaust channel is formed between the air inlet and the exhaust port; the electromagnetic coil is sleeved outside the lower end of the exhaust pipe body; the magnetic valve main body can be clamped in the exhaust pipe body in an up-and-down movable mode, and the upper end of the magnetic valve main body is located in the exhaust channel to partition the air inlet and the exhaust port. The effects are as follows: this application carries out optimal design to traditional one-way exhaust solenoid valve to establish the gas vent at exhaust pipe body upper end outer wall and adjacent air inlet, make its exhaust passage's that forms each other stroke can obtain shortening greatly, so, be connected to the carminative industrial equipment of needs with the air inlet, when the industrial equipment that uses exhausts, even make carminative in the twinkling of an eye, the noise that the exhaust passage of corresponding short stroke produced can be very little, make excellent in use effect.
Description
Technical Field
The utility model relates to the technical field of industrial products, in particular to a low-noise exhaust electromagnetic valve.
Background
An Electromagnetic valve (Electromagnetic valve), as the name implies, is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. 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. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.
The existing one-way exhaust electromagnetic valve has a fixed valve core and a movable valve core which is arranged on the upper part of the fixed valve core and can move up and down, and is mostly of a hollow structure, so that an exhaust channel communicated with the fixed valve core is formed, when an electromagnetic coil of the existing one-way exhaust electromagnetic valve is electrified and drives the movable valve core to move down, namely, an air inlet formed in the outer wall of the upper end of a shell of the existing one-way exhaust electromagnetic valve is communicated with a corresponding exhaust channel to exhaust from the bottom of the corresponding one-way exhaust electromagnetic valve.
For the one-way exhaust electromagnetic valve with the structure, as the stroke of the exhaust channel is long, larger noise can be generated at the moment of exhausting, and the use effect is poor.
In view of the above, the applicant of the present invention has devised the present application to solve the related art problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model aims to provide a low-noise exhaust electromagnetic valve.
In order to achieve the above object, a low noise exhaust solenoid valve according to an embodiment of the present invention includes an exhaust pipe body, an electromagnetic coil, and a solenoid valve body;
the exhaust pipe body is provided with an air inlet positioned at the top of the exhaust pipe body and an air outlet arranged on the outer wall of the upper end of the exhaust pipe body; an exhaust channel is formed between the air inlet and the air outlet; the electromagnetic coil is sleeved outside the lower end of the exhaust pipe body; the magnetic valve main body is movably clamped in the exhaust pipe body up and down, and the upper end of the magnetic valve main body is positioned in the exhaust channel to separate the air inlet and the exhaust port.
In addition, the low-noise exhaust solenoid valve according to the above embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the present invention, the magnetic valve body includes a fixed magnetic core, a return spring, and a movable magnetic core;
the fixed magnetic core is fixedly arranged at the bottom in the exhaust pipe body, the movable magnetic core can be clamped in the exhaust pipe body in a vertically movable manner, and the upper end of the movable magnetic core is positioned in the exhaust passage to partition the air inlet and the exhaust port; the return spring is in a compressed state and is abutted between the fixed magnetic core and the movable magnetic core.
According to an embodiment of the present invention, the inner wall of the exhaust pipe body is provided with a limiting inner ring in the exhaust passage; the upper end surface of the movable magnetic core is tightly propped against the lower bottom surface of the limiting inner ring.
According to one embodiment of the utility model, an upper fixing groove is formed in the upper end face of the movable magnetic core in a downward direction, a sealing gasket is fixedly installed in the upper fixing groove, and the upper end face of the sealing gasket abuts against the lower bottom face of the limiting inner ring.
According to one embodiment of the utility model, the outer wall of the upper end of the fixed magnetic core is cut downwards to form a circle of limiting concave steps A, and the outer wall of the lower end of the movable magnetic core is cut upwards to form a circle of limiting concave steps B; the lower end of the reset spring is fixedly sleeved outside the limiting concave step A, and the upper end of the reset spring is fixedly sleeved outside the limiting concave step B.
According to one embodiment of the utility model, a lower fixing groove is formed in the lower bottom surface of the movable magnetic core upwards, and a cushion pad extending out of the lower fixing groove is fixedly installed in the lower fixing groove.
According to an embodiment of the utility model, the device also comprises a valve cover and a hollow fixed seat with an open upper part;
the lower end of the fixed magnetic core and/or the lower end of the exhaust pipe body are/is detachably and fixedly arranged on the inner bottom surface of the hollow fixed seat; the removable lid of taking of valve gap closes to cavity fixing base upper portion is uncovered, just valve gap middle part is seted up and is run through its upper and lower terminal surface so that the via hole that upwards wears out of exhaust body upper end.
According to one embodiment of the utility model, the outer wall of the middle part of the exhaust pipe body is annularly provided with an upper limit lug, and the outer wall of the lower end of the exhaust pipe body is annularly provided with a lower limit lug;
the electromagnetic coil is limited between the upper limit lug and the lower limit lug; the upper end surface of the upper limit lug is abutted to the lower bottom surface of the valve cover.
According to an embodiment of the utility model, the lower bottom surface of the upper limit lug is provided with a wire guide groove for the wire head and the wire tail of the electromagnetic coil to extend out.
According to one embodiment of the utility model, two of the exhaust ports are oppositely arranged.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
To illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the low noise exhaust solenoid valve of the present invention 1;
FIG. 2 is an exploded view of the low noise exhaust solenoid valve of the present invention 1;
FIG. 3 is a schematic view of the overall structure of the low noise exhaust solenoid valve of the present invention 2;
FIG. 4 is an exploded view of the low noise exhaust solenoid valve of the present invention 2;
FIG. 5 is a view showing the state of the low noise solenoid valve of the present invention when the solenoid is energized and the moving core moves downward to separate from the exhaust passage to communicate the intake port with the exhaust port;
reference numerals:
a low noise exhaust solenoid valve 1000;
an exhaust pipe body 10;
an air inlet 101;
an exhaust port 102;
an exhaust passage 103;
a limiting inner ring 104;
an upper limit lug 105;
a wire slot 1051;
a lower limit lug 106;
an electromagnetic coil 20;
a magnetic valve body 30;
a fixed magnetic core 301;
a limiting concave step A3011;
a return spring 302;
a movable magnetic core 303;
an upper fixing groove 3031;
a gasket 3032;
a limit concave step B3033;
a lower fixing groove 3034;
a cushion pad 3035;
a valve cover 40;
a via 401;
a hollow fixing seat 50;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings of the specification, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The low noise exhaust solenoid valve 1000 according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, a low noise exhaust solenoid valve 1000 according to an embodiment of the present invention includes an exhaust pipe body 10, an electromagnetic coil 20, and a solenoid valve body 30;
the exhaust pipe body 10 has an air inlet 101 at the top thereof and an air outlet 102 opened on the outer wall of the upper end thereof; an exhaust passage 103 is formed between the intake port 101 and the exhaust port 102; the electromagnetic coil 20 is sleeved outside the lower end of the exhaust pipe body 10; the magnetic valve body 30 is vertically movably clamped in the exhaust pipe 10, and the upper end of the magnetic valve body 30 is located in the exhaust passage 103 to block the air inlet 101 and the exhaust port 102.
When the electromagnetic coil 20 is energized, the magnetic valve body 30 moves downward away from the exhaust passage 103 by a magnetic force to conduct the air inlet 101 and the air outlet 102, as shown in fig. 5.
Based on the above, it is clear that the present invention is mainly used as the low noise exhaust solenoid valve 1000 in practical implementation.
Specifically, when the present application is used, the present application is assembled according to the above structure, and the air inlet 101 at the upper end of the exhaust pipe body 10 is connected to an industrial device that needs to exhaust, such as an air pump, etc., when the industrial device that is used needs to exhaust, so that the electromagnetic coil 20 is energized, which generates a magnetic field to drive the magnetic valve body 30 to move downward under the force of the magnetic field and depart from the exhaust channel 103, and at this time, the air inlet 101 is communicated with the air outlet 102, so that the exhaust of the corresponding industrial device can be realized.
To the aforesaid, this application carries out the optimal design to traditional one-way exhaust solenoid valve, with establish gas vent 102 is in exhaust body 10 upper end outer wall and neighbouring gas inlet 101 for the stroke of the exhaust passage 103 that forms between each other can be shortened greatly, so, when corresponding industrial equipment exhausts, even make the exhaust in the twinkling of an eye, the noise that the exhaust passage 103 of corresponding short stroke produced can be very little, makes excellent in use effect.
Therefore, the application is strong in practicability and suitable for popularization.
Preferably, according to an embodiment of the present invention, as shown in fig. 2 and 4, the magnetic valve body 30 includes a fixed magnetic core 301, a return spring 302, and a movable magnetic core 303;
the fixed magnetic core 301 is fixedly arranged at the bottom in the exhaust pipe body 10, the movable magnetic core 303 is clamped in the exhaust pipe body 10 in a vertically movable manner, and the upper end of the movable magnetic core 303 is positioned in the exhaust passage 103 to separate the air inlet 101 from the exhaust port 102; the return spring 302 is in a compressed state and is abutted between the fixed magnetic core 301 and the movable magnetic core 303.
From the above, it can be known that, when solenoid 20 is not electrified, return spring 302 is compression state to push up through the reaction force movable magnetic core 303, so that movable valve core upper end is in all the time exhaust passage 103 separates air inlet 101 with gas vent 102 for it uses stably and can not shift, makes this application whole use reliable and stable then.
Specifically, referring to fig. 5, when the movable magnetic core 303 moves downward under the magnetic force and deviates from the exhaust passage 103, the return spring 302 is continuously compressed, and in this process, the return spring 302 can continuously provide a downward buffering force, so that the movable magnetic core 303 does not move downward momentarily to impact the fixed magnetic core 301, and thus the electromagnetic coil 20 is safe and reliable in use and has a long service life.
When the corresponding industrial equipment does not exhaust, the electromagnetic coil 20 is powered off, the magnetic field force generated by the electromagnetic coil is released, the return spring 302 is reset to push the movable magnetic core 303 upwards, so that finally the upper end of the movable magnetic core is continuously positioned in the exhaust channel 103 to separate the air inlet 101 from the exhaust port 102, and the corresponding industrial equipment does not exhaust.
As described above, the electromagnetic coil 20 is energized to generate a downward magnetic force in conjunction with the movable core 303, the operation principle thereof is well known in the art, and the electromagnetic valve is widely used in various conventional electromagnetic valves, and therefore, the details thereof will not be described in detail herein.
Further, according to an embodiment of the present invention, the inner wall of the exhaust pipe 10 is provided with a limiting inner ring 104 on the exhaust passage 103; the upper end surface of the movable magnetic core 303 is tightly abutted to the lower bottom surface of the limiting inner ring 104.
Therefore, by arranging the limiting inner ring 104, the upper end of the movable magnetic core 303 can be well limited to move upwards continuously, and meanwhile, when the upper end face of the movable magnetic core 303 is tightly abutted to the lower bottom face of the limiting inner ring 104, the air inlet 101 and the air outlet 102 can be well separated.
Preferably, according to an embodiment of the present invention, an upper fixing groove 3031 is formed downward on an upper end surface of the movable magnetic core 303, a sealing gasket 3032 is fixedly installed in the upper fixing groove 3031, and an upper end surface of the sealing gasket 3032 abuts against a lower bottom surface of the inner limiting ring 104.
Therefore, by arranging the sealing gasket 3032, when the upper end surface of the sealing gasket abuts against the lower bottom surface of the limiting inner ring 104, the air inlet 101 and the air outlet 102 can be better separated, so that the air exhaust channel 103 is better sealed, and the air exhaust blocking effect is better.
Still further, according to an embodiment of the present invention, a circle of limiting concave step a3011 is formed by cutting down an outer wall of an upper end of the fixed magnetic core 301, and a circle of limiting concave step B3033 is formed by cutting up an outer wall of a lower end of the movable magnetic core 303; the lower end of the return spring 302 is fixedly sleeved outside the limiting concave step A3011, and the upper end of the return spring 302 is fixedly sleeved outside the limiting concave step B3033.
So, when assembling this application, so that reset spring 302 lower pot head admittedly outside spacing concave rank A3011, and so that reset spring 302 upper pot head admittedly outside spacing concave rank B3033, even make its spacing fixity good, be difficult for in the internal slippage aversion of exhaust pipe body 10 for this application uses more reliable and more stable.
Furthermore, according to an embodiment of the present invention, a lower bottom surface of the movable magnetic core 303 is upwardly provided with a lower fixing groove 3034, and a cushion 3035 extending outside the lower fixing groove 3034 is fixedly installed inside the lower fixing groove 3034.
Therefore, when the electromagnetic coil 20 is energized, it will generate a magnetic field to drive the movable magnetic core 303 to move downward under the magnetic force and depart from the exhaust channel 103, at this time, the air inlet 101 is conducted with the air outlet 102, so that the exhaust of the corresponding industrial equipment can be realized, and when the movable magnetic core 303 moves downward under the magnetic force and departs from the exhaust channel 103, the return spring 302 is continuously compressed, and in this process, the return spring 302 can continuously provide a downward buffering force, and the cushion 3035 provided can also play a role in isolation and certain buffering, so that the movable magnetic core 303 never contacts and collides with the fixed magnetic core 301 at a moment of moving downward, so that the present application is more safe and reliable in use, and has a longer service life.
In addition, in practical implementation, according to an embodiment of the present invention, the present application further includes a valve cover 40 and a hollow fixing seat 50 whose upper portion is formed to be open;
the lower end of the fixed magnetic core 301 and/or the lower end of the exhaust pipe body 10 are/is detachably and fixedly arranged on the inner bottom surface of the hollow fixed seat 50; the detachable cover of the valve cover 40 is closed to the upper opening of the hollow fixing seat 50, and the middle part of the valve cover 40 is provided with a through hole 401 which runs through the upper end surface and the lower end surface of the valve cover and through which the upper end of the exhaust pipe body 10 penetrates upwards.
Obviously, by providing the hollow fixing seat 50, the electromagnetic coil 20 sleeved and fixed outside the lower end of the exhaust pipe body 10 is also covered in the hollow fixing seat 50, so that the protection effect is good, and the performance of the electromagnetic coil is not easily affected by the collision of foreign objects.
Preferably, according to an embodiment of the present invention, the outer wall of the middle portion of the exhaust pipe body 10 is provided with an upper limit lug 105, and the outer wall of the lower end of the exhaust pipe body 10 is provided with a lower limit lug 106;
based on this, in the present embodiment, the electromagnetic coil 20 is limited between the upper limit lug 105 and the lower limit lug 106; the upper end surface of the upper limit lug 105 is abutted against the lower bottom surface of the valve cover 40.
From top to bottom, can understand valve gap 40 lid close extremely the 50 upper portions of cavity fixing base are uncovered, just go up spacing ear 105 up end with when the bottom surface offsets under the valve gap 40, even get exhaust pipe body 10 is by spacing fixed effectual for it is difficult for taking off the aversion, makes this application overall structure more reliable and more steady.
And preferably, according to an embodiment of the present invention, the hollow fixing seat 50 is formed in a U shape so that the thread end and the thread tail of the electromagnetic coil 20 can be led out from the side openings thereof.
Furthermore, according to an embodiment of the present invention, the lower bottom surface of the upper limit lug 105 is provided with a wire guiding groove 1051 for the wire head and the wire tail of the electromagnetic coil 20 to extend out.
In this way, the thread end and the thread tail of the electromagnetic coil 20 are led out through the thread guide groove 1051, so that the electromagnetic coil 20 is not prevented from being protected by coating an insulating adhesive on the outer surface thereof, and the overall use effect of the electromagnetic coil is better.
It should be added that, in a preferred embodiment, two exhaust ports 102 are oppositely arranged, so that the exhaust gas shunting performance is better, and the noise reduction effect is better.
Other embodiments, etc., are not illustrated herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A low-noise exhaust electromagnetic valve is characterized by comprising an exhaust pipe body, an electromagnetic coil and an electromagnetic valve main body;
the exhaust pipe body is provided with an air inlet positioned at the top of the exhaust pipe body and an air outlet arranged on the outer wall of the upper end of the exhaust pipe body; an exhaust channel is formed between the air inlet and the air outlet; the electromagnetic coil is sleeved outside the lower end of the exhaust pipe body; the magnetic valve main body is movably clamped in the exhaust pipe body up and down, and the upper end of the magnetic valve main body is positioned in the exhaust channel to separate the air inlet and the exhaust port.
2. The low noise exhaust solenoid valve according to claim 1, wherein the solenoid valve body comprises a fixed magnetic core, a return spring, and a movable magnetic core;
the fixed magnetic core is fixedly arranged at the bottom in the exhaust pipe body, the movable magnetic core can be clamped in the exhaust pipe body in a vertically movable manner, and the upper end of the movable magnetic core is positioned in the exhaust passage to partition the air inlet and the exhaust port; the return spring is in a compressed state and is abutted between the fixed magnetic core and the movable magnetic core.
3. The low noise exhaust solenoid valve as claimed in claim 2, wherein the exhaust pipe body has an inner limiting ring on the inner wall of the exhaust passage; the upper end surface of the movable magnetic core is tightly propped against the lower bottom surface of the limiting inner ring.
4. The low-noise exhaust solenoid valve according to claim 3, wherein an upper fixing groove is formed downward on the upper end surface of the movable magnetic core, a sealing gasket is fixedly installed in the upper fixing groove, and the upper end surface of the sealing gasket abuts against the lower bottom surface of the limiting inner ring.
5. The low-noise exhaust electromagnetic valve according to claim 3, wherein a circle of limiting concave step A is formed by downward cutting of the outer wall of the upper end of the fixed magnetic core, and a circle of limiting concave step B is formed by upward cutting of the outer wall of the lower end of the movable magnetic core; the lower end of the reset spring is fixedly sleeved outside the limiting concave step A, and the upper end of the reset spring is fixedly sleeved outside the limiting concave step B.
6. The low noise exhaust solenoid valve as claimed in claim 5, wherein a lower fixing groove is formed on the lower bottom surface of the movable magnetic core, and a buffer pad extending out of the lower fixing groove is fixedly installed in the lower fixing groove.
7. The low noise exhaust solenoid valve according to claim 3, further comprising a valve cover and a hollow holder formed with an open upper portion;
the lower end of the fixed magnetic core and/or the lower end of the exhaust pipe body are/is detachably and fixedly arranged on the inner bottom surface of the hollow fixed seat; the removable lid of taking of valve gap closes to cavity fixing base upper portion is uncovered, just valve gap middle part is seted up and is run through its upper and lower terminal surface so that the via hole that upwards wears out of exhaust body upper end.
8. The low noise exhaust solenoid valve of claim 7, wherein the outer wall of the middle portion of the exhaust pipe body is provided with an upper limit lug in a surrounding manner, and the outer wall of the lower end of the exhaust pipe body is provided with a lower limit lug in a surrounding manner;
the electromagnetic coil is limited between the upper limit lug and the lower limit lug; the upper end surface of the upper limit lug is abutted to the lower bottom surface of the valve cover.
9. The low noise exhaust solenoid valve as claimed in claim 8, wherein the lower bottom surface of the upper limit lug is provided with a wire guide groove for the wire head and the wire tail of the electromagnetic coil to extend out.
10. The low noise exhaust solenoid valve as claimed in any one of claims 1 to 9, wherein two exhaust ports are oppositely disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295040.8U CN216519874U (en) | 2021-12-24 | 2021-12-24 | Low-noise exhaust electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295040.8U CN216519874U (en) | 2021-12-24 | 2021-12-24 | Low-noise exhaust electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519874U true CN216519874U (en) | 2022-05-13 |
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ID=81504359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123295040.8U Active CN216519874U (en) | 2021-12-24 | 2021-12-24 | Low-noise exhaust electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519874U (en) |
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2021
- 2021-12-24 CN CN202123295040.8U patent/CN216519874U/en active Active
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