CN221610599U - Double-control electromagnetic valve device - Google Patents
Double-control electromagnetic valve device Download PDFInfo
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- CN221610599U CN221610599U CN202420276919.2U CN202420276919U CN221610599U CN 221610599 U CN221610599 U CN 221610599U CN 202420276919 U CN202420276919 U CN 202420276919U CN 221610599 U CN221610599 U CN 221610599U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a double-control electromagnetic valve device, which comprises a valve body, wherein the valve body is provided with a valve body part, a water inlet end and a water outlet end, the valve body part is provided with a control cavity, a control convex rib and an installation convex rib, and a water through space is formed between the control convex rib and the installation convex rib. The diaphragm component is fixed on the mounting convex rib through valve cover pressing, and a pressure space is formed between the diaphragm component and the valve cover. The elastic pre-tightening piece is elastically abutted against the diaphragm assembly and the valve cover, and the diaphragm assembly is abutted against the end face of the closed control convex rib. The rotary control piece is provided with a central flow passage and a diversion passage, and the central flow passage is positioned in the telescopic direction of the telescopic piece. The conduit passes through the diaphragm assembly and is fixed to the valve cover, and the valve body is provided with a control flow passage communicated with the water outlet end and the conduit. When the rotary control piece rotates relative to the valve cover and is far away from the channel opening of the central flow channel, the pressure space and the water outlet end are always communicated through the guide pipe, so that two control modes of manual control and electromagnetic control are formed, and the use flexibility of the double-control electromagnetic valve device is improved.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve, and especially relates to a double-control electromagnetic valve device.
Background
The existing electromagnetic valve device is used for controlling the on-off of fluid so as to automatically switch on-off the fluid flow channel. The electromagnetic valve device controls the iron core to stretch and retract through an electromagnetic principle, and then drives the elastic membrane assembly to elastically move through the iron core. The elastic diaphragm component forms an execution piece for controlling the on-off of the channel in the valve.
The electromagnetic valve device is driven by adopting an electromagnetic induction principle, however, when the electromagnetic valve device is in a power-off condition or needs to be changed into a conventional communication joint structure, the conventional electromagnetic valve device needs to be disassembled and replaced with a manual control valve structure or a joint, so that a pipeline needs to be overhauled, the defect that one electromagnetic valve is difficult to realize dual purposes of manual control and electric control is overcome, and therefore improvement is needed.
Disclosure of utility model
In order to overcome the problems in the related art, the embodiment of the utility model provides a double-control electromagnetic valve device, which is used for solving the technical problem that an electromagnetic valve can only be controlled by electromagnetic force and is difficult to be matched with manual adjustment.
According to a first aspect of an embodiment of the present utility model, there is provided a dual control type solenoid valve device including:
The valve body is provided with a valve body part, a water inlet end and a water outlet end which are intersected to the valve body part, the valve body part is provided with a control cavity, a control convex rib annularly protruding from the valve body cavity and a mounting convex rib surrounding the control convex rib, a water through space is formed between the control convex rib and the mounting convex rib, the water inlet end is communicated with the space formed by the control convex rib, and the water outlet end is communicated with the water through space;
The diaphragm assembly is fixed on the mounting convex rib through valve cover pressing, and a pressure space is formed between the diaphragm assembly and the valve cover;
The elastic pre-tightening piece is positioned in the pressure space and is elastically abutted against the diaphragm assembly and the valve cover, and the diaphragm assembly is abutted against and sealed with the end face of the control convex rib under the action of the elastic pre-tightening force of the elastic pre-tightening piece;
The spiral control piece is spirally connected to the valve cover and is provided with a central flow passage and a diversion passage which is arranged at intervals with the central flow passage, and the diversion passage is communicated with the space connected with the central flow passage and the pressure space;
the telescopic piece is fixed on the rotary control piece, and the opening of the central flow passage is positioned in the telescopic direction of the telescopic piece;
The guide pipe is fixed in the control cavity, the guide pipe penetrates through the diaphragm assembly and is fixed to the valve cover, the central flow passage and the guide pipe are coaxially arranged, and the valve body part is provided with a control flow passage communicated with the water outlet end and the guide pipe.
In an embodiment, the valve cover is provided with an elastic sleeve, one end of the guide pipe is connected with the elastic sleeve in a plugging mode, and the rotary control part rotates until the end face of the central flow channel abuts against the elastic sleeve.
In an embodiment, the rotary control comprises a rotary frame spirally connected to the valve cover and a rotary sleeve sleeved on the rotary frame, and the rotary sleeve is connected with the rotary frame in a matched manner through a complementary anti-rotation part.
In an embodiment, the anti-rotation portion includes a complementary anti-rotation groove and anti-rotation rib, one of the anti-rotation groove and the anti-rotation rib is disposed on the rotating frame, and the other is disposed on the rotating sleeve.
In an embodiment, the rotating frame is provided with a mounting groove, the mounting groove is provided with a top boss, the top boss is provided with a through hole communicated to the central runner, the aperture of the through hole is smaller than that of the central runner, the telescopic piece is mounted in the mounting groove, and the through hole is located on a telescopic path of the telescopic piece.
In one embodiment, the top boss is configured as a frustum.
In an embodiment, the membrane assembly includes an elastic membrane, a support member attached to the elastic membrane, and a pressing member, wherein the pressing member penetrates through the elastic membrane and is connected with the support member in an inserting manner, the elastic pre-tightening member is fixed to the pressing member in a pressing manner, and the catheter penetrates through the pressing member.
In an embodiment, the support member includes an annular limiting portion and a supporting plate portion protruding radially along the limiting portion, and the elastic membrane abuts against the supporting plate portion and is attached to an inner side wall of the limiting portion.
In one embodiment, the center line of the control flow passage and the center of the conduit intersect at an incline.
In an embodiment, the spin control is provided with a handle.
The technical scheme provided by the embodiment of the utility model can comprise the following beneficial effects: the rotary control part is screwed and installed to the valve cover, and the central flow channel is communicated with the guide pipe, so that the pressure of the pressure space is controlled through the telescopic movement of the telescopic part. When the telescopic piece is retracted, the pressure space is communicated with the water outlet end through a guide pipe; when the telescopic piece stretches to block the central flow passage, the pressure space is blocked from the water outlet end, and the diaphragm assembly is abutted to the passage opening of the central flow passage under the action of the elastic force of the elastic pre-tightening piece. When the rotary control piece rotates relative to the valve cover and is far away from the channel opening of the central flow channel, the pressure space and the water outlet end are always communicated through the guide pipe, so that two control modes of manual control and electromagnetic control are formed, and the use flexibility of the double-control electromagnetic valve device is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a dual control type solenoid valve device according to an exemplary embodiment.
Fig. 2 is a schematic cross-sectional structure view of a dual control type solenoid valve device according to an exemplary embodiment.
Fig. 3 is an exploded structural schematic view of a dual control type solenoid valve device according to an exemplary embodiment.
Fig. 4 is a schematic structural view of a valve body according to an exemplary embodiment.
Fig. 5 is a schematic structural view of a rotating frame according to an exemplary embodiment.
In the figure, a valve body 10; a valve body 11; a water inlet end 12; a water outlet end 13; controlling the ribs 14; installing convex ribs 15; a water passing space 16; a control flow passage 17; a conduit 18; a spin control 20; a rotating frame 21; an anti-rotation portion 211; a mounting groove 212; a separator 213; a via 214; a diversion channel 215; a top boss 216; a rotating sleeve 22; a handle 221; a central flow passage 23; an elastic sleeve 24; a telescoping member 30; a valve cover 40; an elastic pre-tension member 50; a diaphragm assembly 60; an elastic membrane 61; a press-fit member 62; a support 63.
Detailed Description
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, the present utility model provides a double-control type electromagnetic valve device, which comprises a valve body 10, a diaphragm assembly 60, an elastic pre-tightening member 50, a rotation control member 20, a telescopic member 30 and a guide pipe 18, wherein the valve body 10 is of a thin-wall pipe structure for being connected to a water inlet pipeline and a water outlet pipeline.
Specifically, the valve body 10 is provided with a valve body portion 11, a water inlet end 12 and a water outlet end 13 intersecting to the valve body portion 11, alternatively, the center line of the water inlet end 12 and the center line of the water outlet end 13 are in the same straight line; or the center line of the water inlet end 12 and the center line of the water outlet end 13 are obliquely intersected to form a reversing output.
The valve body 11 is provided with a control cavity, a control rib 14 protruding annularly from the cavity of the valve body 10 and a mounting rib 15 surrounding the control rib 14, and the control cavity is located in the middle of the valve body 11. The control convex rib 14 and the installation convex rib 15 form a concentric circular structure, and a water through space 16 is formed between the control convex rib 14 and the installation convex rib 15. The control convex rib 14 surrounds to form a tubular space, the water inlet end 12 is communicated with the space formed by the control convex rib 14, and the water inlet pipeline inputs fluid into the space of the control convex rib 14 through the water inlet end 12. The water outlet end 13 is communicated with the water through space 16, and the water outlet pipeline is communicated with the water through space 16 through the water outlet end 13.
The diaphragm assembly 60 is pressed and fixed to the mounting rib 15 through the valve cover 40, and a pressure space is formed between the diaphragm assembly 60 and the valve cover 40. The elastic pre-tightening piece 50 is located in the pressure space and is elastically abutted against the diaphragm assembly 60 and the valve cover 40, and the diaphragm assembly 60 is abutted against the end face of the closed control convex rib 14 under the action of the elastic pre-tightening force of the elastic pre-tightening piece 50. The diaphragm assembly 60 separates the water inlet end 12 from the water outlet end 13 when closing the end face of the control bead 14, thereby blocking the fluid flow path. When the diaphragm assembly 60 is spaced a predetermined distance from the end surface of the control rib 14, the water inlet end 12 and the water outlet end 13 are opened, thereby conducting the fluid flow path.
The rotary control 20 is spirally connected to the valve cover 40, the rotary control 20 is provided with a central flow passage 23 and a diversion passage 215 which is arranged at intervals with the central flow passage 23, and the diversion passage 215 is communicated with a pressure space and a space connected with the central flow passage 23. The diversion channel 215 and the central flow channel 23 are arranged on the partition 213 of the swirl control 20 at intervals, preferably, the central flow channel 23 is arranged on a tubular channel of the swirl control 20, and the tubular channel protrudes from two ends of the partition 213.
The conduit 18 is fixed to the control chamber, the conduit 18 passes through the diaphragm assembly 60 and is fixed to the valve cover 40, the central flow passage 23 is disposed coaxially with the conduit 18, and the valve body 11 is provided with the control flow passage 17 communicating the water outlet end 13 and the conduit 18. The expansion member 30 is fixed to the swivel member 20, and the opening of the center flow passage 23 is located in the expansion direction of the expansion member 30. The output shaft of the expansion member 30 extends and closes the opening of the center flow passage 23, thereby separating the control flow passage 17 from the pressure space, and the elastic diaphragm 61 abuts against the end surface of the closed control bead 14 under the pressure of the pressure space and the elastic force of the elastic pretensioner 50. When the output shaft of the expansion member 30 is retracted to open the opening of the central flow channel 23, thereby communicating the control flow channel 17 with the pressure space control flow channel 17, the pressure in the pressure space is relieved through the central flow channel 23 and the control flow channel 17, the elastic membrane 61 moves to the pressure space side against the elastic force of the elastic pre-tightening member 50 under the pressure action of the water inlet end 12, and the water inlet end 12 and the water outlet end 13 are opened, thereby conducting the fluid flow channel. Preferably, the center line of the control flow passage 17 and the center of the guide pipe 18 are obliquely intersected to facilitate adjustment of the flow direction and angle of the control flow passage 17.
As shown in fig. 2 to 5, the screw control member 20 is screw-mounted to the valve cover 40 and communicates the central flow passage 23 with the guide pipe 18, thereby controlling the pressure of the pressure space by the telescopic movement of the telescopic member 30. When the telescopic piece 30 is retracted, the pressure space is communicated with the water outlet end 13 through the conduit 18; when the expansion piece 30 stretches to block the central flow passage 23, the pressure space is blocked from the water outlet end 13, and the diaphragm assembly 60 is abutted to the passage opening of the central flow passage 23 under the elastic force of the elastic pre-tightening piece 50. When the rotary control 20 rotates relative to the valve cover 40 and is far away from the passage opening of the central flow passage 23, the pressure space is always communicated with the water outlet end 13 through the guide pipe 18, so that two control modes of manual control and electromagnetic control are formed, and the use flexibility of the double-control electromagnetic valve device is improved.
In one embodiment, the valve cap 40 is fitted with an elastomeric sleeve 24, one end of the conduit 18 is plug-connected to the elastomeric sleeve 24, and the swivel 20 is rotated until the end face of the central flow passage 23 abuts the elastomeric sleeve 24. The elastic sleeve 24 is made of an elastic material to form an elastic tubular structure. The elastic sleeve 24 is fixed on the valve cover 40, and the end of the tubular channel where the central flow channel 23 is located is abutted against the elastic sleeve 24, so that the joint surface of the central flow channel 23 and the elastic sleeve 24 is sealed, and the central flow channel 23 is communicated with the channel of the elastic sleeve 24. The conduit 18 is secured to the valve cover 40 and communicates with the elastomeric sleeve 24 to form a continuous channel structure.
In an embodiment, the spin control 20 includes a rotating frame 21 screwed to the valve cover 40 and a rotating sleeve 22 sleeved on the rotating frame 21, and the rotating sleeve 22 and the rotating frame 21 are cooperatively connected through a complementary anti-rotation part 211. The rotating frame 21 is detachably connected with the rotating sleeve 22, the rotating sleeve 22 is used for driving the rotating frame 21 to rotate, the central runner 23 is arranged on the rotating frame 21, and a manual control mode of being far away from or abutting against the elastic sleeve 24 is realized under the control of the rotating sleeve 22. The anti-rotation portion 211 is a pressure transmission portion of the rotating frame 21 and the rotating sleeve 22, for example, a joint surface of the rotating sleeve 22 and the rotating frame 21 is a non-circular joint surface, so that the two parts can be driven relatively.
In a preferred embodiment, the anti-rotation portion 211 includes complementary anti-rotation grooves and anti-rotation ribs, one of which is provided to the rotating frame 21 and the other of which is provided to the rotating sleeve 22. The anti-rotation groove and the anti-rotation convex rib form a groove and tooth meshing matching structure, so that positioning can be realized, the stability of power transmission can be provided, and the matching effect is good. Further preferably, the spin control 20 is provided with a handle 221. The handle 221 is disposed on the rotating sleeve 22 to drive the rotating sleeve 22 to rotate under force, so that the rotation flexibility is high.
In one embodiment, the swivel mount 21 is provided with a mounting slot 212, the mounting slot 212 is provided with a top boss 216, the swivel mount 21 is provided with a tubular boss structure, and the telescoping member 30 is mounted to the mounting slot 212. The top boss 216 is provided with a via hole 214 connected to the central flow passage 23, the aperture of the via hole 214 is smaller than the aperture of the central flow passage 23, and the via hole 214 is located on the telescopic path of the telescopic member 30. The through hole 214 is a part of the central flow channel 23, the aperture of the through hole 214 is small, the output shaft of the telescopic piece 30 can quickly plug the through hole 214, the required power is small, and the power requirement of the electromagnetic valve is reduced.
Further preferably, the top boss 216 is provided as a frustum. The top of the top boss 216 abuts against the output shaft of the telescopic member 30, so that the contact area is further reduced, the power required by the motion of the output shaft is reduced, and the resistance is reduced.
As shown in fig. 2 to 5, in an embodiment, the membrane assembly 60 includes an elastic membrane 61, a supporting member 63 attached to the elastic membrane 61, and a pressing member 62, the pressing member 62 penetrates the elastic membrane 61 and is connected with the supporting member 63 in a plugging manner, the elastic pre-tightening member 50 is tightly fixed to the pressing member 62, and the catheter 18 penetrates the pressing member 62. The elastic membrane 61 is made of rubber and other materials, and the supporting piece 63 and the pressing piece 62 are clamped and fixed on the elastic membrane 61 and can limit the movable area and the range of the elastic module, so that the membrane assembly 60 can be accurately opened and closed to abut against the end face of the control convex rib 14. Preferably, a rubber pad is provided at the bottom of the pressing member 62, and is elastically and hermetically connected with the end surface of the control bead 14, so as to improve the fluid blocking effect.
Further, the support 63 provides an axial sliding positioning, wherein the support 63 includes an annular limiting portion and a supporting plate portion protruding radially along the limiting portion, and the elastic membrane 61 abuts against the supporting plate portion and is attached to an inner side wall of the limiting portion. The limiting part is of an annular tubular structure, the circumferential position of the elastic membrane 61 can be limited, the supporting plate part limits the bottom position of the elastic membrane 61, so that a groove-shaped limiting structure is formed, and other deformation directions of the elastic membrane 61 are parallel to the axial direction of the limiting part, so that the direction is controllable.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (10)
1. A dual-control solenoid valve device, characterized in that the dual-control solenoid valve device comprises:
The valve body is provided with a valve body part, a water inlet end and a water outlet end which are intersected to the valve body part, the valve body part is provided with a control cavity, a control convex rib annularly protruding from the valve body cavity and a mounting convex rib surrounding the control convex rib, a water through space is formed between the control convex rib and the mounting convex rib, the water inlet end is communicated with the space formed by the control convex rib, and the water outlet end is communicated with the water through space;
The diaphragm assembly is fixed on the mounting convex rib through valve cover pressing, and a pressure space is formed between the diaphragm assembly and the valve cover;
The elastic pre-tightening piece is positioned in the pressure space and is elastically abutted against the diaphragm assembly and the valve cover, and the diaphragm assembly is abutted against and sealed with the end face of the control convex rib under the action of the elastic pre-tightening force of the elastic pre-tightening piece;
The spiral control piece is spirally connected to the valve cover and is provided with a central flow passage and a diversion passage which is arranged at intervals with the central flow passage, and the diversion passage is communicated with the space connected with the central flow passage and the pressure space;
the telescopic piece is fixed on the rotary control piece, and the opening of the central flow passage is positioned in the telescopic direction of the telescopic piece;
The guide pipe is fixed in the control cavity, the guide pipe penetrates through the diaphragm assembly and is fixed to the valve cover, the central flow passage and the guide pipe are coaxially arranged, and the valve body part is provided with a control flow passage communicated with the water outlet end and the guide pipe.
2. The double control type electromagnetic valve device according to claim 1, wherein the valve cover is provided with an elastic sleeve, one end of the guide pipe is connected with the elastic sleeve in a plugging manner, and the rotary control is rotated until the end face of the central flow passage abuts against the elastic sleeve.
3. The double-control electromagnetic valve device according to claim 1, wherein the rotary control comprises a rotary frame spirally connected to the valve cover and a rotary sleeve sleeved on the rotary frame, and the rotary sleeve and the rotary frame are connected in a matched manner through a complementary anti-rotation part.
4. A double control type electromagnetic valve device according to claim 3, wherein the rotation preventing portion includes a rotation preventing groove and a rotation preventing rib which are complementary, one of the rotation preventing groove and the rotation preventing rib is provided to the rotating frame, and the other is provided to the rotating sleeve.
5. A dual control solenoid valve assembly according to claim 3 wherein the swivel mount is provided with a mounting groove provided with a top boss provided with a through hole communicating to the central flow passage, the through hole having a smaller aperture than the central flow passage, the telescoping member being mounted in the mounting groove, the through hole being located in the telescoping path of the telescoping member.
6. The dual control solenoid valve assembly of claim 5, wherein the top boss is configured as a frustum.
7. The dual control solenoid valve assembly of claim 1, wherein the diaphragm assembly includes an elastic diaphragm, a support member attached to the elastic diaphragm, and a pressing member extending through the elastic diaphragm and in plug-in connection with the support member, the elastic pretension member is press-fastened to the pressing member, and the conduit extends through the pressing member.
8. The dual control type electromagnetic valve device according to claim 7, wherein the supporting member includes an annular limiting portion and a supporting plate portion protruding radially along the limiting portion, and the elastic membrane is abutted against the supporting plate portion and is attached to an inner side wall of the limiting portion.
9. The dual control type solenoid valve apparatus according to claim 1, wherein a center line of the control flow passage and a center of the guide pipe obliquely intersect.
10. The dual control type solenoid valve apparatus according to claim 1, wherein the spin control is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276919.2U CN221610599U (en) | 2024-02-05 | 2024-02-05 | Double-control electromagnetic valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276919.2U CN221610599U (en) | 2024-02-05 | 2024-02-05 | Double-control electromagnetic valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221610599U true CN221610599U (en) | 2024-08-27 |
Family
ID=92441622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420276919.2U Active CN221610599U (en) | 2024-02-05 | 2024-02-05 | Double-control electromagnetic valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221610599U (en) |
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2024
- 2024-02-05 CN CN202420276919.2U patent/CN221610599U/en active Active
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