CN214170787U - Water guide cover assembly and diaphragm pump - Google Patents
Water guide cover assembly and diaphragm pump Download PDFInfo
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- CN214170787U CN214170787U CN202022910577.XU CN202022910577U CN214170787U CN 214170787 U CN214170787 U CN 214170787U CN 202022910577 U CN202022910577 U CN 202022910577U CN 214170787 U CN214170787 U CN 214170787U
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Abstract
The utility model discloses a water guide cover subassembly and diaphragm pump, its simple structure easily realizes, the action of motor drive diaphragm pump drainage subassembly, diaphragm wherein deforms, makes water be in the diaphragm pump drainage chamber of sucking through horizontal water inlet nozzle, first one-way water intaking valve, then outwards discharges through second one-way outlet valve, first one-way outlet valve, vertical outlet nozzle, in addition, need pass through two one-way outlet valves during the drainage, when the motor stops working, need certain pressure just can push open two one-way outlet valves, can play certain anti-siphon overflow condition and appear; in addition, horizontal water inlet nozzle and vertical faucet are not on an terminal surface, and far away from, it is more convenient to connect the pipeline respectively, and in addition, when directly putting into the aquatic and using the diaphragm pump that will have the present case water guide lid subassembly, the water inlet goes out the water and influences each other lessly, can be better make outside water flow on a large scale, the practicality is good.
Description
Technical Field
The utility model relates to a water guide lid subassembly and diaphragm pump.
Background
At present, water inlets and water outlets on some diaphragm pumps are arranged on the same end face, are close to each other and are inconvenient to be respectively externally connected with pipelines; in addition, only through a water outlet one-way valve during the drainage of general diaphragm pump, when the motor stops working, water can also overflow to the water outlet end through the diaphragm pump when the end of intaking has pressure great, be not convenient for stop overflow control.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned technique is not enough, provides a water guide lid subassembly and diaphragm pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a water guide lid subassembly, is including water inlet member 1, water inlet member 1 is equipped with horizontal intake nozzle 11 that is located the lateral wall, be equipped with the opening down and with horizontal intake nozzle 11 communicating circumference intercommunication groove 12, be equipped with communicate with each other from top to bottom and with the middle exhalant canal 13 that circumference intercommunication groove 12 is separated by, be equipped with opening spacing mounting groove 131 up in the middle exhalant canal 13, install first one-way outlet valve 2 in the spacing mounting groove 131, water inlet member 1's upper end fixedly connected with play water spare 3 of spacing mounting groove 131 intercommunication, play water spare 3 is equipped with the vertical faucet 31 of upwards extending.
Preferably, the first one-way water outlet valve 2 includes a movable plug 21 disposed in the limiting installation groove 131 and a return spring 22 for driving the movable plug 21 to block the middle water outlet channel 13, and an upper end of the return spring 22 abuts against the water outlet member 3.
Preferably, the upper portion of the limiting installation groove 131 is provided with a positioning notch 132 with an opening larger than the inner contour of the limiting installation groove 131, the upper end surface of the positioning notch 132 is provided with a circumferential communication groove 1321, the circumferential communication groove 1321 is provided with a sealing ring 4, the lower end of the water outlet member 3 is sunk into the positioning notch 132 and presses the sealing ring 4, a plurality of first gaps 14 are concavely arranged between the upper end surface and the side wall surface of the water inlet member 1, and the first gaps 14 are provided with first vertical through holes 141 through which screws can pass conveniently.
Preferably, the outer contour of the water outlet member 3 is not larger than the inner contour of the positioning recess 132, and the water outlet member 3 and the positioning recess 132 are fixed by welding; or the water outlet member 3 is provided with a plurality of downward protrusions 32 which are matched with the first notches 14 in a downward protruding manner, the downward protrusions 32 are provided with second vertical holes 321 corresponding to the first vertical through holes 141, and second notches 33 corresponding to the positions of the downward protrusions 32 are arranged between the upper surface and the side wall surface of the water outlet member 3.
As mentioned above, the present application also protects a diaphragm pump, which comprises a motor 5, a diaphragm pump-drainage assembly 6 connected to the upper end of the motor 5 and driven by the motor 5, a valve support 7 located at the upper end of the diaphragm pump-drainage assembly 6, and a water guide cover assembly located at the upper end of the valve support 7, wherein the water guide cover assembly comprises a water inlet member 1, the water inlet member 1 is provided with a horizontal water inlet nozzle 11 located on the outer side wall, a circumferential communication groove 12 having a downward opening and communicating with the horizontal water inlet nozzle 11, and a middle water outlet channel 13 having an upward opening and being separated from the circumferential communication groove 12, the middle water outlet channel 13 is provided with a limiting installation groove 131 having an upward opening, a first one-way water outlet valve 2 is installed in the limiting installation groove 131, the upper end of the water inlet member 1 is fixedly connected with a water outlet member 3 communicating with the limiting installation groove 131, the water outlet member 3 is provided with a vertical water outlet nozzle 31 extending upward, the diaphragm pumping and discharging assembly 6 is provided with a diaphragm pumping and discharging cavity 61 with an upward cavity opening, and the valve support 7 is provided with a first one-way water inlet valve 8 and a second one-way water outlet valve 9, wherein the first one-way water inlet valve is used for controlling whether the circumferential communication groove 12 is communicated with the diaphragm pumping and discharging cavity 61, and the second one-way water outlet valve is used for controlling whether the diaphragm pumping and discharging cavity 61 is communicated with the middle water outlet channel 13.
Preferably, the first one-way water outlet valve 2 comprises a movable plug 21 arranged in the limiting installation groove 131 and a return spring 22 for driving the movable plug 21 to block the middle water outlet channel 13 downwards, and the upper end of the return spring 22 abuts against the water outlet member 3.
Preferably, the upper portion of the limiting installation groove 131 is provided with a positioning notch 132 with an opening larger than the inner contour of the limiting installation groove 131, the upper end surface of the positioning notch 132 is provided with a circumferential communication groove 1321, the circumferential communication groove 1321 is provided with a sealing ring 4, the lower end of the water outlet member 3 is sunk into the positioning notch 132 and presses the sealing ring 4, a plurality of first gaps 14 are concavely arranged between the upper end surface and the side wall surface of the water inlet member 1, and the first gaps 14 are provided with first vertical through holes 141 through which screws can pass conveniently.
Preferably, the outer contour of the water outlet member 3 is not larger than the inner contour of the positioning recess 132, and the water outlet member 3 and the positioning recess 132 are fixed by welding; or the water outlet member 3 is provided with a plurality of downward protrusions 32 which are matched with the first notches 14 in a downward protruding manner, the downward protrusions 32 are provided with second vertical holes 321 corresponding to the first vertical through holes 141, and second notches 33 corresponding to the positions of the downward protrusions 32 are arranged between the upper surface and the side wall surface of the water outlet member 3.
Preferably, the water inlet member 1 is fixed to the valve bracket 7 and the diaphragm pumping and discharging assembly 6 by screws.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the structure of the water guide cover component is simple and easy to realize, the transverse water inlet nozzle and the vertical water outlet nozzle are not arranged on one end surface and are far away from each other, and the transverse water inlet nozzle and the vertical water outlet nozzle are respectively and conveniently connected with a pipeline; in addition, the arrangement that the opening of the circumferential communication groove faces downwards and the arrangement that the intermediate water outlet channel is separated from the circumferential communication groove are convenient to be respectively communicated with other parts of the diaphragm pump downwards, and the arrangement of the first one-way water outlet valve in the intermediate water outlet channel is convenient to realize one-way water outlet of the intermediate water outlet channel.
2. The present case the setting of location notch is convenient for right the location of play water spare, the setting of circumference intercommunication ditch is convenient for fix a position the installation sealing washer and is made it be difficult for shifting, so, go out water spare with it is difficult for the gap infiltration between to follow after the water inlet spare is fixed mutually.
3. Go out water spare downwards protruding be equipped with a plurality of with first breach complex lower convex parts, lower convex part be equipped with the second that first vertical through-hole corresponds erects the hole be equipped with between the upper surface of water spare and the lateral wall surface with the second breach that lower convex part position corresponds, its positioning by assembly is convenient, and only need the screw just can with it fixes to go out water spare on the water inlet, it is convenient to connect, and the setting of second breach makes the screw cap can be absorbed in wherein and not salient.
4. The diaphragm pump is simple in structure and easy to realize, the motor drives the diaphragm pumping and discharging assembly to act, the diaphragm in the diaphragm pumping and discharging assembly deforms, so that water is pumped into the diaphragm pumping and discharging cavity through the transverse water inlet nozzle and the first one-way water inlet valve and then is discharged outwards through the second one-way water outlet valve, the first one-way water outlet valve and the vertical water outlet nozzle, in addition, the two one-way water outlet valves are needed during water discharging, when the motor stops working, the two one-way water outlet valves can be pushed open by a certain pressure, and a certain anti-siphon overflow condition can be achieved; in addition, the transverse water inlet nozzle and the vertical water outlet nozzle are not arranged on one end surface and are far away from each other, and the transverse water inlet nozzle and the vertical water outlet nozzle are respectively connected with pipelines conveniently; in addition, the arrangement that the opening of the circumferential communication groove faces downwards and the arrangement that the intermediate water outlet channel is separated from the circumferential communication groove are convenient to be respectively communicated with other parts of the diaphragm pump downwards, and the arrangement of the first one-way water outlet valve in the intermediate water outlet channel is convenient to realize one-way water outlet of the intermediate water outlet channel.
Drawings
Fig. 1 is a perspective view of one of the diaphragm pumps of the present disclosure.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is an exploded view of a portion of the structure of fig. 1.
Fig. 4 is an exploded view of a second portion of the structure of fig. 1.
Fig. 5 is a perspective view of another diaphragm pump of the present disclosure.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is an exploded view of a portion of the structure of fig. 5.
Fig. 8 is an exploded view of a second portion of the structure of fig. 5.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 8, a water guide cover assembly comprises a water inlet member 1, wherein the water inlet member 1 is provided with a horizontal water inlet nozzle 11 located on the outer side wall, a circumferential communication groove 12 with a downward opening and communicated with the horizontal water inlet nozzle 11, and a middle water outlet channel 13 which is vertically communicated and separated from the circumferential communication groove 12, a limiting installation groove 131 with an upward opening is formed in the middle water outlet channel 13, a first one-way water outlet valve 2 is installed in the limiting installation groove 131, the upper end of the water inlet member 1 is fixedly connected with a water outlet member 3 communicated with the limiting installation groove 131, and the water outlet member 3 is provided with a vertical water outlet nozzle 31 extending upwards.
As mentioned above, the structure of the water guide cover assembly is simple and easy to realize, the transverse water inlet nozzle 11 and the vertical water outlet nozzle 31 are not on one end surface and are far away from each other, and are respectively and conveniently connected with a pipeline externally; in addition, the downward opening of the circumferential communication groove 12 and the separation of the intermediate water outlet channel 13 and the circumferential communication groove 12 are convenient to respectively communicate with other parts of the diaphragm pump downward, and the first one-way water outlet valve 2 in the intermediate water outlet channel 13 is convenient for one-way water outlet of the intermediate water outlet channel 13.
As described above, in specific implementation, the first one-way water outlet valve 2 includes the movable plug 21 disposed in the limiting installation groove 131 and the return spring 22 for driving the movable plug 21 to block the middle water outlet channel 13 downward, and the upper end of the return spring 22 abuts against the water outlet member 3.
As described above, in specific implementation, the upper portion of the limiting installation groove 131 is provided with the positioning notch 132 having an opening larger than the inner contour of the limiting installation groove 131, the upper end surface of the positioning notch 132 is provided with the circumferential communication groove 1321, the circumferential communication groove 1321 is provided with the sealing ring 4, the lower end of the water outlet member 3 is sunk into the positioning notch 132 and presses the sealing ring 4, a plurality of first notches 14 are concavely provided between the upper end surface and the side wall surface of the water inlet member 1, and the first notches 14 are provided with the first vertical through holes 141 for allowing screws to pass through.
As described above, the positioning notch 132 is provided to facilitate positioning of the water outlet member 3, and the circumferential communication groove 1321 is provided to facilitate positioning and installation of the sealing ring 4 so as to prevent displacement thereof, so that the water outlet member 3 and the water inlet member 1 are fixed to prevent water from leaking from a gap therebetween.
As shown in fig. 3 and 4, in practical implementation, the outer contour of the water outlet member 3 is not larger than the inner contour of the positioning recess 132, and the water outlet member 3 and the positioning recess 132 are fixed by welding.
Or as shown in fig. 7 and 8, the water outlet member 3 is provided with a plurality of downward protrusions 32 which are matched with the first notches 14 in a downward protruding manner, the downward protrusions 32 are provided with second vertical holes 321 corresponding to the first vertical through holes 141, and second notches 33 corresponding to the positions of the downward protrusions 32 are arranged between the upper surface and the side wall surface of the water outlet member 3, so that the water outlet member is convenient to assemble and position, the water outlet member 3 can be fixed on the water inlet member 1 only by screws, the connection is convenient, and the second notches 33 are arranged, so that screw caps can be sunk into the water outlet member without protruding.
As mentioned above, the present application further discloses a diaphragm pump, which comprises a motor 5, a diaphragm pump assembly 6 connected to the upper end of the motor 5 and driven by the motor 5, a valve support 7 located at the upper end of the diaphragm pump assembly 6, and a water guide cover assembly located at the upper end of the valve support 7, wherein the water guide cover assembly comprises a water inlet member 1, the water inlet member 1 is provided with a horizontal water inlet nozzle 11 located on the outer side wall, a circumferential communication groove 12 having a downward opening and communicating with the horizontal water inlet nozzle 11, and a middle water outlet channel 13 having an upward opening and being separated from the circumferential communication groove 12, the middle water outlet channel 13 is provided with a limiting installation groove 131 having an upward opening, the limiting installation groove 131 is provided with a first one-way water outlet valve 2, the upper end of the water inlet member 1 is fixedly connected with a water outlet member 3 communicating with the limiting installation groove 131, the water outlet member 3 is provided with an upward extending vertical water outlet nozzle 31, the diaphragm pumping and discharging assembly 6 is provided with a diaphragm pumping and discharging cavity 61 with an upward cavity opening, and the valve support 7 is provided with a first one-way water inlet valve 8 and a second one-way water outlet valve 9, wherein the first one-way water inlet valve is used for controlling whether the circumferential communication groove 12 is communicated with the diaphragm pumping and discharging cavity 61, and the second one-way water outlet valve is used for controlling whether the diaphragm pumping and discharging cavity 61 is communicated with the middle water outlet channel 13.
As described above, the diaphragm pump of this scheme is simple in structure and easy to implement, the motor 5 drives the diaphragm pumping and discharging assembly 6 to operate, and the diaphragm therein deforms, so that water is pumped into the diaphragm pumping and discharging cavity 61 through the transverse water inlet nozzle 11 and the first one-way water inlet valve 8, and then is discharged outwards through the second one-way water outlet valve 9, the first one-way water outlet valve 2 and the vertical water outlet nozzle 31; in addition, the transverse water inlet nozzle 11 and the vertical water outlet nozzle 31 are not arranged on one end surface and are far away from each other, and are respectively and conveniently connected with a pipeline externally; in addition, the downward opening of the circumferential communication groove 12 and the separation of the intermediate water outlet channel 13 and the circumferential communication groove 12 are convenient to respectively communicate with other parts of the diaphragm pump downward, and the first one-way water outlet valve 2 in the intermediate water outlet channel 13 is convenient for one-way water outlet of the intermediate water outlet channel 13.
As described above, in specific implementation, the first one-way water outlet valve 2 includes the movable plug 21 disposed in the limiting installation groove 131 and the return spring 22 for driving the movable plug 21 to block the middle water outlet channel 13 downward, and the upper end of the return spring 22 abuts against the water outlet member 3.
As described above, in specific implementation, the upper portion of the limiting installation groove 131 is provided with the positioning notch 132 having an opening larger than the inner contour of the limiting installation groove 131, the upper end surface of the positioning notch 132 is provided with the circumferential communication groove 1321, the circumferential communication groove 1321 is provided with the sealing ring 4, the lower end of the water outlet member 3 is sunk into the positioning notch 132 and presses the sealing ring 4, a plurality of first notches 14 are concavely provided between the upper end surface and the side wall surface of the water inlet member 1, and the first notches 14 are provided with the first vertical through holes 141 for allowing screws to pass through.
As described above, the positioning notch 132 is provided to facilitate positioning of the water outlet member 3, and the circumferential communication groove 1321 is provided to facilitate positioning and installation of the sealing ring 4 so as to prevent displacement thereof, so that the water outlet member 3 and the water inlet member 1 are fixed to prevent water from leaking from a gap therebetween.
As shown in fig. 3 and 4, in practical implementation, the outer contour of the water outlet member 3 is not larger than the inner contour of the positioning recess 132, and the water outlet member 3 and the positioning recess 132 are fixed by welding.
Or as shown in fig. 7 and 8, the water outlet member 3 is provided with a plurality of downward protrusions 32 which are matched with the first notches 14 in a downward protruding manner, the downward protrusions 32 are provided with second vertical holes 321 corresponding to the first vertical through holes 141, and second notches 33 corresponding to the positions of the downward protrusions 32 are arranged between the upper surface and the side wall surface of the water outlet member 3, so that the water outlet member is convenient to assemble and position, the water outlet member 3 can be fixed on the water inlet member 1 only by screws, the connection is convenient, and the second notches 33 are arranged, so that screw caps can be sunk into the water outlet member without protruding.
In the specific implementation, the water inlet member 1 is fixed to the valve bracket 7 and the diaphragm pumping and discharging assembly 6 by screws.
As described above, the present disclosure is directed to a water guide cover assembly and a diaphragm pump, and all technical solutions identical or similar to the present disclosure should be considered as falling within the scope of the present disclosure.
Claims (9)
1. The utility model provides a water guide lid subassembly, its characterized in that is including water inlet spare (1), water inlet spare (1) is equipped with horizontal water inlet nozzle (11) that is located the lateral wall, be equipped with the opening down and with horizontal water inlet nozzle (11) communicating circumference intercommunication groove (12), be equipped with communicate with each other from top to bottom and with middle exhalant canal (13) that circumference intercommunication groove (12) are separated by, be equipped with opening spacing mounting groove (131) up in middle exhalant canal (13), install first one-way outlet valve (2) in spacing mounting groove (131), the upper end fixedly connected with of water inlet spare (1) with play water spare (3) of spacing mounting groove (131) intercommunication, play water spare (3) are equipped with vertical faucet (31) of upwards extending.
2. The water guide cover assembly according to claim 1, wherein the first one-way water outlet valve (2) comprises a movable plug (21) disposed in the limiting installation groove (131) and a return spring (22) for driving the movable plug (21) to block the middle water outlet channel (13) downward, and an upper end of the return spring (22) abuts against the water outlet member (3).
3. The water guide cover assembly according to claim 1, wherein a positioning notch (132) having an opening larger than the inner contour of the limit mounting groove (131) is formed in the upper portion of the limit mounting groove (131), a circumferential communication groove (1321) is formed in the upper end surface of the positioning notch (132), a sealing ring (4) is installed in the circumferential communication groove (1321), the lower end of the water outlet member (3) is sunk into the positioning notch (132) and presses the sealing ring (4), a plurality of first notches (14) are concavely formed between the upper end surface and the side wall surface of the water inlet member (1), and first vertical through holes (141) allowing screws to pass through are formed in the first notches (14).
4. The water guide cover assembly as claimed in claim 3, wherein the outer contour of the water outlet member (3) is not larger than the inner contour of the positioning recess (132), and the water outlet member (3) and the positioning recess (132) are fixed by welding; or a plurality of lower convex parts (32) matched with the first notches (14) are arranged on the water outlet part (3) in a downward protruding mode, the lower convex parts (32) are provided with second vertical holes (321) corresponding to the first vertical through holes (141), and second notches (33) corresponding to the positions of the lower convex parts (32) are arranged between the upper surface and the side wall surface of the water outlet part (3).
5. The utility model provides a diaphragm pump, its characterized in that is including motor (5), connection motor (5) upper end and receive motor (5) driven diaphragm pump drainage subassembly (6), be located valve bracket (7) of diaphragm pump drainage subassembly (6) upper end and be located the water guide lid subassembly of valve bracket (7) upper end, water guide lid subassembly is including water inlet spare (1), water inlet spare (1) is equipped with horizontal water inlet nozzle (11) that is located the lateral wall, be equipped with the opening down and with horizontal water inlet nozzle (11) communicating circumference intercommunication groove (12), be equipped with communicate with each other from top to bottom and with middle exhalant canal (13) that circumference intercommunication groove (12) are separated by, middle exhalant canal (13) are equipped with spacing mounting groove (131) that the opening is up, install first one-way outlet valve (2) in spacing mounting groove (131), the upper end fixedly connected with of water inlet spare (1) with the play water spare (13) that spacing mounting groove (131) communicate(s), (13) are divided into 3) The water outlet piece (3) is provided with a vertical water outlet nozzle (31) extending upwards, the diaphragm pumping and draining assembly (6) is provided with a diaphragm pumping and draining cavity (61) with an upward cavity opening, and the valve support (7) is provided with a first one-way water inlet valve (8) used for controlling whether the circumferential communication groove (12) is communicated with the diaphragm pumping and draining cavity (61) or not and a second one-way water outlet valve (9) used for controlling whether the diaphragm pumping and draining cavity (61) is communicated with the middle water outlet channel (13) or not.
6. A diaphragm pump according to claim 5, characterized in that the first one-way outlet valve (2) comprises a movable plug (21) disposed in the limiting installation groove (131) and a return spring (22) for driving the movable plug (21) to block the middle outlet channel (13) downward, and the upper end of the return spring (22) is abutted against the outlet member (3).
7. A diaphragm pump according to claim 5, wherein the upper part of the position-limiting installation groove (131) is provided with a positioning notch (132) having an opening larger than the inner contour of the position-limiting installation groove (131), the upper end surface of the positioning notch (132) is provided with a circumferential communication groove (1321), the circumferential communication groove (1321) is provided with a sealing ring (4), the lower end of the water outlet member (3) is sunk into the positioning notch (132) and presses the sealing ring (4), a plurality of first gaps (14) are concavely arranged between the upper end surface and the side wall surface of the water inlet member (1), and the first gaps (14) are provided with first vertical through holes (141) for screws to pass through.
8. A membrane pump according to claim 7, characterized in that the outer contour of the outlet member (3) is not larger than the inner contour of the positioning recess (132), the outlet member (3) and the positioning recess (132) being fixed by welding; or a plurality of lower convex parts (32) matched with the first notches (14) are arranged on the water outlet part (3) in a downward protruding mode, the lower convex parts (32) are provided with second vertical holes (321) corresponding to the first vertical through holes (141), and second notches (33) corresponding to the positions of the lower convex parts (32) are arranged between the upper surface and the side wall surface of the water outlet part (3).
9. A membrane pump according to claim 7 or 8, characterized in that the water inlet member (1) is fastened to the valve holder (7), the membrane pumping assembly (6) by means of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910577.XU CN214170787U (en) | 2020-12-04 | 2020-12-04 | Water guide cover assembly and diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910577.XU CN214170787U (en) | 2020-12-04 | 2020-12-04 | Water guide cover assembly and diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214170787U true CN214170787U (en) | 2021-09-10 |
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ID=77604480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022910577.XU Active CN214170787U (en) | 2020-12-04 | 2020-12-04 | Water guide cover assembly and diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214170787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803244A (en) * | 2021-10-15 | 2021-12-17 | 浙江科博电器有限公司 | Water pump with water stopping function |
-
2020
- 2020-12-04 CN CN202022910577.XU patent/CN214170787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803244A (en) * | 2021-10-15 | 2021-12-17 | 浙江科博电器有限公司 | Water pump with water stopping function |
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