CN219975563U - Small-size solenoid valve of accurate control of gassing fills - Google Patents
Small-size solenoid valve of accurate control of gassing fills Download PDFInfo
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- CN219975563U CN219975563U CN202320887927.6U CN202320887927U CN219975563U CN 219975563 U CN219975563 U CN 219975563U CN 202320887927 U CN202320887927 U CN 202320887927U CN 219975563 U CN219975563 U CN 219975563U
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- permanent magnet
- electromagnetic valve
- valve body
- magnet unit
- solenoid valve
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000030279 gene silencing Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 230000005389 magnetism Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model belongs to the technical field of electromagnetic valves, and particularly relates to a small electromagnetic valve capable of accurately controlling inflation and deflation, which comprises an electromagnetic valve body; the electromagnetic coil assembly is arranged on the electromagnetic valve body and is used for generating a magnetic field when being electrified; the permanent magnet assembly is arranged at the air passage communication position in the electromagnetic valve body and is used for being combined with the electromagnetic coil assembly to movably block each air passage of the electromagnetic valve body; the permanent magnet assembly comprises a first movable permanent magnet unit which is arranged at the position corresponding to the communication position of the air passage in the electromagnetic valve body, and a first buffer unit which is arranged in the electromagnetic valve body and corresponds to the first movable permanent magnet unit. The utility model can effectively control the quick on-off of each gas path, improve the accuracy of controlling the gas flow and achieve the aim of accurately controlling the inflation and deflation of the electromagnetic valve; and the size, weight and volume of the whole electromagnetic valve can be effectively reduced, and the cost of the whole electromagnetic valve is reduced.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic valves, and particularly relates to a small electromagnetic valve capable of accurately controlling inflation and deflation.
Background
The electromagnetic valve is a main component for controlling pipelines, and can be widely applied to gas pipelines or liquid pipelines to control the passing of gas or liquid. For example: pneumatic products in a car seat comfort system generally control a gas path through an electromagnetic valve; namely, the air channel module controls the inflation and deflation of each air channel through the electromagnetic valve, so that the action of the air channel module is realized.
In the prior art, an electromagnetic valve applied to a comfort system of an automobile seat generally utilizes the combination of a coil, a movable iron core and a spring to control inflation and deflation of each air passage in the electromagnetic valve. Namely, the coil is electrified to generate a magnetic field, so that the sliding iron core moves towards one side of the air release end of the electromagnetic valve against the spring force, the air inlet is opened to block the air release passage, and the needed air charging component is charged; after the power is off, the magnetic field disappears, the sliding iron core is reset towards one side of the inflating end of the electromagnetic valve under the influence of the spring force, the air inlet is blocked to open the air leakage channel, and the gas which is not fully inflated flows into the air leakage channel from the gap between the electromagnetic valve and the groove of the movable iron core. Although each gas circuit of the electromagnetic valve can be effectively controlled, the movable iron core is affected by the magnetic field generated by the coil and gradually compresses and releases the spring, namely, the movable iron core does not block one end of the gas charging port or the gas discharging channel, so that the gas charging port and the gas discharging channel can simultaneously convey gas, and the problem that the gas flow cannot be accurately controlled occurs in the gas circuit control process.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the small electromagnetic valve with the accurate control of inflation and deflation, wherein the movable iron core in the prior art is replaced by the permanent magnet component, compared with the movable iron core, the permanent magnet component has magnetism, and can rapidly move due to the magnetism at the moment of electrifying the electromagnetic coil component, so that the inflation port or the deflation port of the electromagnetic valve is rapidly plugged, the rapid on-off of each gas path is controlled, the accuracy of controlling the gas flow is improved, and the aim of accurately controlling the inflation and deflation of the electromagnetic valve is fulfilled.
The technical effects to be achieved by the utility model are realized by the following technical scheme:
the utility model relates to a small electromagnetic valve with accurate control of inflation and deflation, which comprises: a solenoid valve body; the electromagnetic coil assembly is arranged on the electromagnetic valve body and is used for generating a magnetic field when being electrified; the permanent magnet assembly is arranged at the air passage communication position in the electromagnetic valve body and is used for being combined with the electromagnetic coil assembly to movably block each air passage of the electromagnetic valve body; the permanent magnet assembly comprises a first movable permanent magnet unit which is arranged at the position corresponding to the communication position of the air passage in the electromagnetic valve body, and a first buffer unit which is arranged in the electromagnetic valve body and corresponds to the first movable permanent magnet unit.
As one preferable scheme, the first movable permanent magnet unit is a cylindrical permanent magnet unit or a square cylindrical permanent magnet unit.
As one preferable scheme, the permanent magnet assembly comprises a second movable permanent magnet unit which is arranged at the position corresponding to the air passage communication position in the electromagnetic valve body, a second buffer unit which is arranged in the electromagnetic valve body and corresponds to the second movable permanent magnet unit, and an auxiliary control piece which is arranged corresponding to the second movable permanent magnet unit and is used for realizing the control of each air passage in combination with the second movable permanent magnet unit.
As one preferable scheme, the second movable permanent magnet unit is a spherical permanent magnet unit, a cylindrical permanent magnet unit or a square column-shaped permanent magnet unit.
As one preferable scheme, the first buffer unit and the second buffer unit each comprise a first buffer piece which corresponds to the first movable permanent magnet unit or the second movable permanent magnet unit and is arranged on the air inlet channel of the electromagnetic valve body, and a second buffer piece which corresponds to the first movable permanent magnet unit or the second movable permanent magnet unit and is arranged on the air outlet channel of the electromagnetic valve body.
As one preferable scheme, the first buffer piece and the second buffer piece are made of silica gel or rubber; the structure of the electromagnetic valve comprises a buffer part body and a vent hole which is arranged on the buffer part body and is matched with an air inlet channel or an air outlet channel of the electromagnetic valve body.
As one preferable mode, the auxiliary control member is an elastic control member or a magnetic control member.
As one preferable scheme, the elastic control member is a telescopic spring, one end of the telescopic spring is propped against the electromagnetic valve body, and the other end of the telescopic spring is propped against the second movable permanent magnet unit.
As one preferable scheme, the magnetic control piece is a permanent magnet ring sleeved outside the electromagnetic valve body.
As one preferable scheme, the electromagnetic valve body comprises an electromagnetic valve shell used for installing the electromagnetic coil assembly and the permanent magnet assembly, a sealing ring which is arranged on the electromagnetic valve shell and used for improving the sealing performance of the electromagnetic valve, and a silencing piece which corresponds to the air leakage port of the electromagnetic valve shell and is used for silencing the electromagnetic valve.
In summary, the present utility model has at least the following advantages:
1. according to the small electromagnetic valve capable of precisely controlling inflation and deflation, the movable iron core in the prior art is replaced by the permanent magnet assembly, compared with the movable iron core, the permanent magnet assembly has magnetism, the permanent magnet assembly can rapidly move due to magnetism at the moment of electrifying the electromagnetic coil assembly, and the inflation port or the deflation port of the electromagnetic valve is rapidly plugged, so that the rapid on-off of each gas path is controlled, the accuracy of controlling the gas flow is improved, and the purpose of precisely controlling the inflation and deflation of the electromagnetic valve is achieved.
2. The small electromagnetic valve with accurate control of inflation and deflation has the magnetic permanent magnet component, can quickly respond when the electromagnetic coil component is electrified and disconnected and the magnetic field changes, and can effectively reduce the whole size, weight and volume of the electromagnetic valve and reduce the whole cost of the electromagnetic valve compared with a movable iron core without magnetism.
Drawings
FIG. 1 is a schematic cross-sectional view of the whole structure of a small-sized solenoid valve for precise control of inflation and deflation in embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram showing the overall structure of a small-sized solenoid valve with precise control of inflation and deflation in embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the structure of the first buffer member and the second buffer member according to the embodiment of the present utility model;
FIG. 4 is a schematic view showing the overall structure of a small-sized solenoid valve with precise control of inflation and deflation in embodiment 2 of the present utility model;
FIG. 5 is a schematic cross-sectional view showing the whole structure of a small-sized solenoid valve for precise control of inflation and deflation in embodiment 2 of the present utility model;
FIG. 6 is a schematic diagram showing the overall structure of a small-sized solenoid valve with precise control of inflation and deflation in embodiment 3 of the present utility model;
fig. 7 is a schematic cross-sectional view of the whole structure of a small-sized solenoid valve for precise control of inflation and deflation in embodiment 3 of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1 and 2, the small electromagnetic valve with accurate control of inflation and deflation in this embodiment includes an electromagnetic valve body 100, an electromagnetic coil assembly 200 disposed on the electromagnetic valve body 100, and a permanent magnet assembly 300 disposed at the connection position of the air passage in the electromagnetic valve body 100; the electromagnetic valve body 100 is used for fixing and installing the electromagnetic coil assembly 200 and the permanent magnet assembly 300, and the specific structure of the electromagnetic valve body comprises an electromagnetic valve shell 110 used for installing the electromagnetic coil assembly 200 and the permanent magnet assembly 300, a sealing ring 120 arranged on the electromagnetic valve shell 110 and used for improving the sealing performance of the electromagnetic valve, and a silencing piece 130 corresponding to a leakage port of the electromagnetic valve shell 110 and used for silencing the electromagnetic valve; further, the electromagnetic valve housing 110 includes a spool 111 and a press button 112 adapted to the spool 111. The electromagnetic coil assembly 200 is used for generating a magnetic field by electrifying, and has a specific structure comprising a coil assembly 210 wound on a spool 111, and a pin needle assembly connected with the coil assembly 210 and arranged on the electromagnetic valve housing 110; preferably, the electromagnetic coil assembly 200 can achieve bi-directional control of the magnetic field direction.
The permanent magnet assembly 300 is used for being combined with the electromagnetic coil assembly 200 to movably block each air passage of the electromagnetic valve body 100; further, the permanent magnet assembly 300 includes a first movable permanent magnet unit 310 disposed corresponding to the air passage in the solenoid valve body 100, and a first buffer unit 320 disposed in the solenoid valve body 100 corresponding to the first movable permanent magnet unit 310. Preferably, the first movable permanent magnet unit 310 is a cylindrical permanent magnet unit or a square cylindrical permanent magnet unit, and the polarity of the unit has definite directivity, so that the first movable permanent magnet unit can respond quickly to the direction of the magnetic field generated by the electromagnetic coil assembly 200. The first buffer unit 320 includes a first buffer member 321 corresponding to the first movable permanent magnet unit 310 and disposed on the air inlet channel of the solenoid valve body 100, and a second buffer member 322 corresponding to the first movable permanent magnet unit 310 and disposed on the air outlet channel of the solenoid valve body 100, where the first buffer member 321 and the second buffer member 322 are made of silica gel or rubber with good buffering and impact resistance, and referring to fig. 3, the first buffer member 321 and the second buffer member 322 each include a buffer member body 301, and a vent hole 302 disposed on the buffer member body 301 and adapted to the air inlet channel or the air outlet channel of the solenoid valve body 100.
The specific working engineering of the small electromagnetic valve with the accurate control of inflation and deflation in the embodiment is as follows:
when the coil assembly 210 is powered on in the forward direction, the coil assembly 210 generates a forward magnetic field, so that the first movable permanent magnet unit 310 moves towards the air release end of the electromagnetic valve body 100 due to the influence of the magnetic field, the second buffer piece 322 is preloaded, and the air release opening is sealed, so that the air inlet is opened, and air enters the lower-end air charging opening from the air inlet to realize air charging.
When the coil assembly 210 is reversely energized, the coil assembly 210 generates a reverse magnetic field, so that the first movable permanent magnet unit 310 moves towards the air inlet end of the electromagnetic valve body 100 due to the influence of the magnetic field, the first buffer member 321 is preloaded and seals the air inlet, thereby opening the air outlet, and air enters the air outlet from the air charging opening at the lower end and flows out through the silencer 130 to realize air leakage.
Example 2:
referring to fig. 4 and 5, the small solenoid valve with accurate control of inflation and deflation in this embodiment is the same as that in embodiment 1, and includes a solenoid valve body 100, a solenoid coil assembly 200 disposed on the solenoid valve body 100, and a permanent magnet assembly 300a disposed at the air passage connection position in the solenoid valve body 100; the main differences are that:
the electromagnetic coil assembly 200 in this embodiment is only required to be energized to generate a magnetic field; the permanent magnet assembly 300a includes a second movable permanent magnet unit 330 disposed corresponding to the air passage communication position in the solenoid valve body 100, a second buffer unit 340 disposed in the solenoid valve body 100 corresponding to the second movable permanent magnet unit 330, and an auxiliary control member 350 disposed corresponding to the second movable permanent magnet unit 330 for implementing each air passage control in combination with the second movable permanent magnet unit 330. Preferably, the second movable permanent magnet unit 330 is a spherical permanent magnet unit, a cylindrical permanent magnet unit, or a square cylindrical permanent magnet unit, and it is only necessary to have magnetism, and the polarity direction thereof is not strictly limited. The second buffer unit 340 has the same design as the first buffer unit 320, and comprises a first buffer piece 321 corresponding to the second movable permanent magnet unit 330 and arranged on the air inlet channel of the electromagnetic valve body 100, and a second buffer piece 322 corresponding to the second movable permanent magnet unit 330 and arranged on the air outlet channel of the electromagnetic valve body 100; referring to fig. 3, the first buffer member 321 and the second buffer member 322 are made of silica gel or rubber with good buffering and impact resistance, and specifically, the first buffer member 321 and the second buffer member 322 each include a buffer member body 301, and a vent hole 302 formed on the buffer member body 301 and adapted to an air inlet channel or an air outlet channel of the electromagnetic valve body 100.
Referring to fig. 5, the auxiliary control member 350 is an elastic control member; preferably, the elastic control member is a telescopic spring with one end abutting against the solenoid valve body 100 and the other end abutting against the second movable permanent magnet unit 330.
The specific working engineering of the small electromagnetic valve with the accurate control of inflation and deflation in the embodiment is as follows:
the telescopic spring arranged on the electromagnetic valve body 100 pre-presses the second movable permanent magnet unit 330, so that the second movable permanent magnet unit 330 compresses the first buffer 321 to realize sealing.
When the coil assembly 210 is electrified, the coil assembly 210 generates a magnetic field, so that the second movable permanent magnet unit 330 moves towards the air release end against the spring force, compresses the second buffer piece 322, opens the air inlet, seals the air release port, and allows air from the air inlet to flow into the air charging port at the lower end, thereby realizing air charging.
When the coil assembly 210 is powered off, the magnetic field disappears, the second movable permanent magnet unit 330 is moved and reset towards the air inlet end under the influence of the spring force, the first buffer member 321 is pressed again, the air inlet is sealed, the air outlet is opened, and the air at the lower end flows out from the air outlet through the silencing member 130 to realize air leakage.
Example 3:
referring to fig. 6 and 7, the small solenoid valve with accurate control of inflation and deflation in this embodiment is the same as that in embodiment 2, and includes a solenoid valve body 100, a solenoid coil assembly 200 disposed on the solenoid valve body 100, and a permanent magnet assembly 300b disposed at the air passage connection position in the solenoid valve body 100; and the permanent magnet assembly 300b includes a second movable permanent magnet unit 330 disposed corresponding to the air passage communication position in the solenoid valve body 100, a second buffer unit 340 disposed in the solenoid valve body 100 corresponding to the second movable permanent magnet unit 330, and an auxiliary control member 350' disposed corresponding to the second movable permanent magnet unit 330 for implementing each air passage control in combination with the second movable permanent magnet unit 330. The main differences are that:
the auxiliary control member 350' is a magnetic control member; preferably, the magnetic control member is a permanent magnet ring sleeved outside the solenoid valve body 100, as shown in fig. 7.
The specific working engineering of the small electromagnetic valve with the accurate control of inflation and deflation in the embodiment is as follows:
the permanent magnet ring sleeved outside the electromagnetic valve body 100 attracts the second movable permanent magnet unit 330, so that the second movable permanent magnet unit 330 compresses the first buffer 321 to realize sealing.
When the coil assembly 210 is electrified, the coil assembly 210 generates a magnetic field, so that the second movable permanent magnet unit 330 overcomes the attraction force with the permanent magnet ring, moves towards the air release end, compresses the second buffer piece 322, opens the air inlet, seals the air release port, and allows air at the air inlet to flow into the air charging port at the lower end, thereby realizing air charging.
When the coil assembly 210 is powered off, the magnetic field disappears, the second movable permanent magnet unit 330 moves towards the air inlet end again due to the suction force of the permanent magnet ring, the first buffer member 321 is pressed again, the air inlet is sealed, the air release opening is opened, and the air at the lower end flows out from the air release opening through the silencing member 130 to realize air release.
According to the technical scheme of the embodiment, the utility model provides the small electromagnetic valve capable of accurately controlling the inflation and deflation, and the permanent magnet assembly is used for replacing a movable iron core in the prior art, so that the quick on-off of each gas path can be effectively controlled, the accuracy of controlling the gas flow is improved, and the purpose of accurately controlling the inflation and deflation of the electromagnetic valve is achieved; and the size, weight and volume of the whole electromagnetic valve can be effectively reduced, and the cost of the whole electromagnetic valve is reduced.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.
Claims (10)
1. The utility model provides a small-size solenoid valve of accurate control of gassing, its characterized in that includes:
a solenoid valve body;
the electromagnetic coil assembly is arranged on the electromagnetic valve body and is used for generating a magnetic field when being electrified;
the permanent magnet assembly is arranged at the air passage communication position in the electromagnetic valve body and is used for being combined with the electromagnetic coil assembly to movably block each air passage of the electromagnetic valve body;
the permanent magnet assembly comprises a first movable permanent magnet unit which is arranged at the position corresponding to the communication position of the air passage in the electromagnetic valve body, and a first buffer unit which is arranged in the electromagnetic valve body and corresponds to the first movable permanent magnet unit.
2. The precisely controlled solenoid valve of claim 1, wherein the first movable permanent magnet unit is a cylindrical permanent magnet unit or a square cylindrical permanent magnet unit.
3. The small-sized electromagnetic valve for precisely controlling inflation and deflation according to claim 1, wherein the permanent magnet assembly comprises a second movable permanent magnet unit which is arranged corresponding to the communication part of the air passage in the electromagnetic valve body, a second buffer unit which is arranged in the electromagnetic valve body and corresponds to the second movable permanent magnet unit, and an auxiliary control piece which is arranged corresponding to the second movable permanent magnet unit and is used for realizing the control of each air passage in combination with the second movable permanent magnet unit.
4. The small electromagnetic valve with accurate inflation and deflation control according to claim 3, wherein the second movable permanent magnet unit is a spherical permanent magnet unit, a cylindrical permanent magnet unit or a square cylindrical permanent magnet unit.
5. The small-sized solenoid valve with accurate control of inflation and deflation according to claim 3, wherein the first buffer unit and the second buffer unit each comprise a first buffer piece corresponding to the first movable permanent magnet unit or the second movable permanent magnet unit and arranged on the air inlet channel of the solenoid valve body, and a second buffer piece corresponding to the first movable permanent magnet unit or the second movable permanent magnet unit and arranged on the air outlet channel of the solenoid valve body.
6. The precisely controlled solenoid valve of claim 5, wherein the first and second cushioning members are each of a silicone or rubber material; the structure of the electromagnetic valve comprises a buffer part body and a vent hole which is arranged on the buffer part body and is matched with an air inlet channel or an air outlet channel of the electromagnetic valve body.
7. A compact solenoid valve with precise control of inflation and deflation according to claim 3, wherein the auxiliary control member is an elastic control member or a magnetic control member.
8. The precisely controlled solenoid valve according to claim 7, wherein the elastic control member is a telescopic spring having one end abutting against the solenoid valve body and the other end abutting against the second movable permanent magnet unit.
9. The precisely controlled solenoid valve of claim 7, wherein the magnetic control member is a permanent magnet ring that is sleeved outside the solenoid valve body.
10. The small electromagnetic valve for precisely controlling the inflation and deflation according to claim 1, wherein the electromagnetic valve body comprises an electromagnetic valve shell used for installing the electromagnetic coil assembly and the permanent magnet assembly, a sealing ring arranged on the electromagnetic valve shell and used for improving the sealing performance of the electromagnetic valve, and a silencing piece corresponding to the air leakage opening of the electromagnetic valve shell and used for silencing the electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887927.6U CN219975563U (en) | 2023-04-19 | 2023-04-19 | Small-size solenoid valve of accurate control of gassing fills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887927.6U CN219975563U (en) | 2023-04-19 | 2023-04-19 | Small-size solenoid valve of accurate control of gassing fills |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975563U true CN219975563U (en) | 2023-11-07 |
Family
ID=88580871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320887927.6U Active CN219975563U (en) | 2023-04-19 | 2023-04-19 | Small-size solenoid valve of accurate control of gassing fills |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975563U (en) |
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2023
- 2023-04-19 CN CN202320887927.6U patent/CN219975563U/en active Active
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