CN220036972U - Drainage relay device and relay drainage system - Google Patents
Drainage relay device and relay drainage system Download PDFInfo
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- CN220036972U CN220036972U CN202321479128.1U CN202321479128U CN220036972U CN 220036972 U CN220036972 U CN 220036972U CN 202321479128 U CN202321479128 U CN 202321479128U CN 220036972 U CN220036972 U CN 220036972U
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- barrel
- drainage
- submersible pump
- relay device
- shell assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a drainage relay device, which comprises a submersible pump and a shell assembly, wherein the shell assembly comprises a first barrel and a second barrel, and the second barrel is detachably connected with the first barrel by a connecting clamp; the shell component can be communicated with the water outlet of the previous-stage drainage relay device or the main water pump, water flow entering the circulation channel from the external water inlet enters the submersible pump from the water inlet of the submersible pump under the action of the submersible pump, and flows into the next-stage drainage relay device or is discharged through the water outlet of the submersible pump so as to realize drainage and smooth discharge of the water flow. The first barrel and the second barrel are detachably connected by utilizing the connecting clamp, so that the disassembly and assembly of the submersible pump are convenient. The utility model also provides a relay drainage system, which comprises the drainage relay device, the drainage relay device is convenient to assemble and disassemble, the operation time is saved, the drainage efficiency of the relay drainage system is improved, and the emergency drainage effect is enhanced.
Description
Technical Field
The utility model relates to the technical field of drainage equipment and peripheral supporting facilities thereof, in particular to a drainage relay device and a relay drainage system.
Background
In the existing submersible pump relay drainage method, one is a water tank discontinuous connection method, namely, a water tank is arranged at the limit water supply position of a water pump and used as a water source of a next relay water pump, and the like, water is delivered to the next water tank; the other is a direct pipe belt continuous connection method, namely, the direct pipe belt continuous connection method is directly used as a relay pump after an overflow device is directly arranged outside a main water pump of the same type, and the outlet of a main water outlet pipe belt of the main pump is directly connected with the inlet of the relay pump.
When the prior pool intermittent water-receiving method is adopted for relay drainage, the arrangement time is long, the single water-sending distance is short, the occupied area is large, and the water-receiving device cannot be deployed in a narrow space. The commonly used additional overcurrent devices on the market realize relay drainage, and most of the additional overcurrent devices are of fixed structures because of being limited in the aspects of volume, weight, running conditions and the like, so that the use convenience is poor, and the required portable drainage effect of an emergency scene cannot be achieved.
Therefore, how to change the current situation that the overcurrent device additionally arranged in relay drainage is of a fixed structure, the operation convenience is poor, and the emergency drainage effect is affected becomes a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
The utility model aims to provide a drainage relay device and a relay drainage system, which are used for solving the problems in the prior art, improving the operation convenience of the drainage relay device and improving the drainage efficiency.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a drainage relay device, comprising:
submersible pump;
the shell assembly comprises a first barrel and a second barrel, and the second barrel is detachably connected with the first barrel by utilizing a connecting clamp; one end of a water inlet of the submersible pump extends into the shell assembly, a gap between the inner wall of the shell assembly and the submersible pump forms a circulation channel, the shell assembly is provided with an external water inlet, the external water inlet is communicated with the water inlet of the submersible pump by utilizing the circulation channel, a water outlet of the submersible pump is positioned outside the shell assembly, and sealing elements are arranged between the first barrel and the second barrel and between the shell assembly and the submersible pump;
the first cylinder body and the second cylinder body are respectively provided with a connecting convex ring, sealing elements are arranged between the two connecting convex rings, the connecting clamp is provided with grooves matched with the connecting convex rings, the connecting convex rings extend into the grooves, and the connecting clamp surrounds the connecting convex rings and enables the first cylinder body to be tightly attached to the second cylinder body.
Preferably, the connection clamp is of an annular structure with an opening, and a locking mechanism is arranged at the opening of the connection clamp so as to clamp the first cylinder body and the second cylinder body.
Preferably, locking seats are disposed at two ends of the connection clip, a gap between two locking seats forms an opening of the connection clip, the locking mechanism comprises an articulated bolt and a claw nut, one end of the articulated bolt is rotatably connected with one of the locking seats, the other locking seat is provided with a U-shaped hole matched with the articulated bolt, and the articulated bolt is locked by the claw nut after passing through the U-shaped hole.
Preferably, the connecting convex ring is provided with a notch, a motor cable of the submersible pump extends out of the shell assembly from a through hole surrounded by the notches of the two connecting convex rings, and the motor cable is sleeved with a waterproof rubber sleeve;
the number of the locking mechanisms is two, and the two locking mechanisms are arranged on two sides of the motor cable along the axial direction of the shell assembly.
Preferably, the axial section of the connecting convex ring is a right trapezoid, the axial section of the groove is a trapezoid, and the opening width of the groove is larger than the length of the bottom edge of the section of the groove.
Preferably, an end of the first cylinder, which is far away from the second cylinder, is opened to form the external water inlet, a diversion support cap and a diversion support plate are arranged in the first cylinder, the diversion support cap is in a revolving structure, the diameter of the diversion support cap is gradually increased along the flow direction of fluid in the shell assembly, one end of the diversion support cap, which is close to the second cylinder, is detachably sleeved on the submersible pump, an anti-collision gasket is arranged between the diversion support cap and the submersible pump, and the anti-collision gasket is made of elastic materials; the guide support cap is connected with the inner wall of the first barrel by utilizing the guide support plates, the guide support plates are parallel to the axis of the first barrel, the number of the guide support plates is multiple, and the guide support plates are circumferentially and uniformly distributed around the axis of the first barrel.
Preferably, one end of the water inlet of the submersible pump extends into the second cylinder and is detachably connected with the diversion support cap, a gap between the inner wall of the first cylinder and the diversion support cap and a gap between the inner wall of the second cylinder and the outer wall of the submersible pump jointly form the circulation channel, and one end of the second cylinder, which is far away from the first cylinder, is provided with a spigot matched with the submersible pump.
Preferably, a detection interface is provided at the external water inlet, and the housing assembly is connectable with a detection element by means of the detection interface, the detection element being capable of detecting the pressure of the fluid at the external water inlet.
Preferably, the bottoms of the first cylinder and the second cylinder are both provided with a supporting foot plate.
The utility model also provides a relay drainage system which comprises the drainage relay devices, and when the number of the drainage relay devices is multiple, the drainage relay devices are arranged in series by using the communication pipelines.
Compared with the prior art, the utility model has the following technical effects:
according to the drainage relay device, the shell component can be communicated with the water outlet of the previous drainage relay device or the main water pump, water flow entering the circulation channel from the external water inlet enters the submersible pump from the water inlet of the submersible pump under the action of the submersible pump, and flows into the next drainage relay device or is discharged from the water outlet of the submersible pump, so that drainage and smooth discharge of the water flow are realized. Meanwhile, according to the drainage relay device, the shell assembly comprises the first barrel and the second barrel, the first barrel and the second barrel are detachably connected through the connecting clamp, so that the submersible pump is convenient to assemble and disassemble, sealing elements are arranged between the first barrel and the second barrel and between the shell assembly and the submersible pump, and the tightness of the device is guaranteed. In addition, the first cylinder and the second cylinder are both provided with connecting convex rings, the connecting convex rings extend into grooves of the connecting clamp, the connecting clamp surrounds the connecting convex rings and enables the first cylinder and the second cylinder to be tightly attached, and the sealing performance of the shell assembly is further guaranteed on the basis of convenient disassembly and assembly.
The utility model also provides a relay drainage system, which comprises the drainage relay devices, when a plurality of groups of drainage relay devices are arranged, the drainage relay devices are arranged in series by using the communication pipelines, the drainage relay devices are convenient to assemble and disassemble, the operation time is saved, the drainage efficiency of the relay drainage system is improved, and the emergency drainage effect is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of a drainage relay device according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a partial cutaway of a drainage relay device according to an embodiment of the present disclosure;
FIG. 3 is a front view of a drainage relay device according to an embodiment of the present utility model;
FIG. 4 is a schematic illustration of a drainage relay device according to an embodiment of the present utility model in semi-section;
fig. 5 is an enlarged schematic view of a part of a drainage relay device according to an embodiment of the present utility model.
Wherein 100 is a drainage relay device;
1 is a submersible pump, 2 is a shell component, 3 is a first barrel, 4 is a second barrel, 5 is a connecting clamp, 6 is a circulation channel, 7 is an external water inlet, 8 is a connecting convex ring, 9 is a groove, 10 is a sealing element, 11 is a locking mechanism, 12 is a locking seat, 13 is a movable joint bolt, 14 is a claw nut, 15 is a motor cable, 16 is a waterproof rubber sleeve, 17 is a diversion support cap, 18 is a diversion support plate, 19 is an anti-collision washer, 20 is a detection interface, and 21 is a support foot plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a drainage relay device and a relay drainage system, which are used for solving the problems in the prior art, improving the operation convenience of the drainage relay device and improving the drainage efficiency.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a drainage relay device 100, which comprises a submersible pump 1 and a shell assembly 2, wherein the shell assembly 2 comprises a first barrel 3 and a second barrel 4, and the second barrel 4 is detachably connected with the first barrel 3 by a connecting clamp 5; one end of a water inlet of the submersible pump 1 extends into the shell assembly 2, a gap between the inner wall of the shell assembly 2 and the submersible pump 1 forms a circulation channel 6, the shell assembly 2 is provided with an external water inlet 7, the external water inlet 7 is communicated with the water inlet of the submersible pump 1 by the circulation channel 6, a water outlet of the submersible pump 1 is positioned outside the shell assembly 2, and sealing elements 10 are arranged between the first cylinder 3 and the second cylinder 4 and between the shell assembly 2 and the submersible pump 1; the first cylinder body 3 and the second cylinder body 4 are respectively provided with a connecting convex ring 8, and a sealing element 10 is arranged between the two connecting convex rings 8; the connector clip 5 has a recess 9 which mates with the connector collar 8, the connector collar 8 extending into the recess 9, the connector clip 5 being disposed around the connector collar 8 and causing the first cylinder 3 to closely conform to the second cylinder 4.
According to the drainage relay device 100 disclosed by the utility model, the shell component 2 can be communicated with the water outlet of the previous-stage drainage relay device 100 or the main water pump, water flow entering the circulation channel 6 from the external water inlet 7 enters the submersible pump 1 from the water inlet of the submersible pump 1 under the action of the submersible pump 1, and flows into the next-stage drainage relay device 100 or is discharged through the water outlet of the submersible pump 1, so that drainage and smooth discharge of the water flow are realized. Meanwhile, in the drainage relay device 100, the shell assembly 2 comprises the first barrel 3 and the second barrel 4, the first barrel 3 and the second barrel 4 are detachably connected by the connecting clamp 5, so that the submersible pump 1 is convenient to assemble and disassemble, and the sealing elements 10 are arranged between the first barrel 3 and the second barrel 4 and between the shell assembly 2 and the submersible pump 1, so that the tightness of the device is ensured. Besides, the first cylinder 3 and the second cylinder 4 are both provided with a connecting convex ring 8, the connecting convex ring 8 stretches into a groove 9 of the connecting clamp 5, the connecting clamp 5 surrounds the connecting convex ring 8 and enables the first cylinder 3 and the second cylinder 4 to be tightly attached, and on the basis of convenient disassembly and assembly, the sealing performance of the shell assembly 2 is further guaranteed.
Wherein, connect clamp 5 for having open-ended annular structure, the dismouting operation of further convenient device, the opening part of connecting clamp 5 sets up locking mechanism 11 in order to tighten first barrel 3 and second barrel 4, utilizes locking mechanism 11 can conveniently lock connect clamp 5 to make connect clamp 5 to tighten first barrel 3 and second barrel 4, guarantee the leakproofness of casing subassembly 2, avoid revealing.
Specifically, the two ends of the connection clamp 5 are respectively provided with a locking seat 12, a gap between the two locking seats 12 forms an opening of the connection clamp 5, the locking mechanism 11 comprises a movable joint bolt 13 and a claw nut 14, one end of the movable joint bolt 13 is rotatably connected with one locking seat 12, the other locking seat 12 is provided with a U-shaped hole matched with the movable joint bolt 13, and the movable joint bolt 13 is locked by the claw nut 14 after passing through the U-shaped hole. After the connecting clamp 5 is sleeved on the connecting convex ring 8, the movable joint bolt 13 is rotated, the movable joint bolt 13 enters the U-shaped hole of the other locking seat 12, the claw nut 14 is locked, and the opening of the connecting clamp 5 is tightened, so that the connecting clamp 5 clamps the connecting convex ring 8, and the connection of the first cylinder 3 and the second cylinder 4 is realized. In other specific embodiments of the present utility model, the locking mechanism 11 may also adopt a flip-buckle structure, and a flip-buckle is disposed at the opening of the connection clip 5, so that the connection clip 5 can be installed by loosening the flip-buckle, and after the connection clip 5 is installed in place, the flip-buckle is locked, so as to realize convenient disassembly and assembly of the first cylinder 3 and the second cylinder 4.
In order to facilitate connection of the submersible pump 1 with an external power supply, the connecting convex ring 8 is provided with a notch, a motor cable 15 of the submersible pump 1 extends out of the shell assembly 2 from a through hole formed by surrounding the notches of the two connecting convex rings 8, the motor cable 15 is sleeved with a waterproof rubber sleeve 16, normal operation of the submersible pump 1 is guaranteed, and meanwhile the waterproof rubber sleeve 16 can also play a sealing role to avoid leakage at the notch.
In this embodiment, the number of the locking mechanisms 11 is two, and the two sets of locking mechanisms 11 are disposed on two sides of the motor cable 15 along the axial direction of the housing assembly 2, so as to further ensure the tightness of the housing assembly 2.
It should be emphasized that the axial cross section of the connecting convex ring 8 is a right trapezoid, the abutting surface of the connecting convex ring 8 and the sealing element 10 is perpendicular to the axis of the housing assembly 2, the axial cross section of the groove 9 is a trapezoid, the opening width of the groove 9 is larger than the bottom edge length of the cross section of the groove 9, namely, the width of the groove 9 along the direction from the opening to the bottom wall is gradually reduced, after the connecting convex ring 8 stretches into the groove 9, the opening of the connecting clamp 5 is tightened, under the guiding action of the groove 9, the two connecting convex rings 8 press the sealing element 10, the sealing performance is improved, after the sealing element 10 is worn, the automatic compensation effect can be achieved, and the reliability of the device is further improved. In practice, the recess 9 may also be provided in a V-shape, which also converts the forces exerted by the connector clip 5 on the connecting collar 8 into radial and axial forces, pressing the sealing element 10.
More specifically, an external water inlet 7 is formed at the opening of one end of the first barrel 3 far away from the second barrel 4, a diversion support cap 17 and a diversion support plate 18 are arranged in the first barrel 3, the diversion support cap 17 is in a revolving structure, the diameter of the diversion support cap 17 is gradually increased along the fluid flow direction in the shell assembly 2, one end of the diversion support cap 17 near the second barrel 4 is detachably sleeved on the submersible pump 1, an anti-collision gasket 19 is arranged between the diversion support cap 17 and the submersible pump 1, and the anti-collision gasket 19 is made of elastic materials; the guide support cap 17 is connected with the inner wall of the first cylinder body 3 by using guide support plates 18, the guide support plates 18 are parallel to the axis of the first cylinder body 3, the number of the guide support plates 18 is multiple, and the guide support plates 18 are uniformly distributed circumferentially around the axis of the first cylinder body 3. The water flow discharged by the former-stage drainage relay device 100 or the main water pump is in a spiral state, and the water flow in the spiral state can reduce the water absorption and drainage capacity of the submersible pump 1, so that the water flow enters the circulation channel 6 from the external water inlet 7, flows along the axial direction of the shell assembly 2 under the action of the guide support plate 18, flows into the circulation channel 6 along the circular arc surface under the guidance of the guide support cap 17, continuously flows into the submersible pump 1, and the drainage efficiency of the device is improved. An anti-collision gasket 19 is arranged between the diversion support cap 17 and the submersible pump 1, so that protection is provided for the submersible pump 1, and normal operation of the device is ensured.
Wherein, the water inlet one end of immersible pump 1 stretches into in the second barrel 4 and can dismantle with water conservancy diversion supporting cap 17 and be connected, gap between first barrel 3 inner wall and the water conservancy diversion supporting cap 17, gap between second barrel 4 inner wall and the immersible pump 1 outer wall form circulation passageway 6 jointly, the one end that second barrel 4 kept away from first barrel 3 has the tang with immersible pump 1 looks adaptation, make things convenient for the dismouting location of immersible pump 1, tang department is provided with sealing element 10, avoids revealing.
In addition, the external water inlet 7 is provided with a detection interface 20, the shell assembly 2 can be connected with a detection element by using the detection interface 20, the detection element can detect the pressure of fluid at the external water inlet 7 so as to control the working state of the device, and the detection element can select a pressure sensor or other types of detection instruments according to the actual working conditions. It should be further noted that, the drainage relay device 100 includes a controller, and the detection element and the submersible pump 1 are connected to the controller, so that the controller controls the working state and the working parameters of the submersible pump 1 according to the detection data of the detection element, thereby improving the drainage efficiency; the controller is provided as a familiar means to those skilled in the art, and will not be described in detail herein.
In order to improve the stability of the device, the bottoms of the first cylinder 3 and the second cylinder 4 are provided with supporting foot plates 21, so that the device is conveniently fixed on a stable installation basis, and the working stability of the device is improved.
Furthermore, the utility model also provides a relay drainage system, which comprises the drainage relay device 100, when the number of the drainage relay devices 100 is multiple, the drainage relay devices 100 are connected in series by using the communication pipelines, the drainage relay devices 100 are convenient to assemble and disassemble, so that the device is more portable, meanwhile, the drainage relay devices 100 adopt a connection mode of the connecting clamp 5 and the locking mechanism 11, the rapid assembly and disassembly of the device can be realized, compared with a bolt connection mode in the prior art, the assembly and disassembly operation time is saved, the drainage efficiency of the relay drainage system is favorably improved, the occupied area of relay drainage is reduced, and the emergency drainage effect is enhanced.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. A drainage relay device, comprising:
submersible pump;
the shell assembly comprises a first barrel and a second barrel, and the second barrel is detachably connected with the first barrel by utilizing a connecting clamp; one end of a water inlet of the submersible pump extends into the shell assembly, a gap between the inner wall of the shell assembly and the submersible pump forms a circulation channel, the shell assembly is provided with an external water inlet, the external water inlet is communicated with the water inlet of the submersible pump by utilizing the circulation channel, a water outlet of the submersible pump is positioned outside the shell assembly, and sealing elements are arranged between the first barrel and the second barrel and between the shell assembly and the submersible pump;
the first cylinder body and the second cylinder body are respectively provided with a connecting convex ring, sealing elements are arranged between the two connecting convex rings, the connecting clamp is provided with grooves matched with the connecting convex rings, the connecting convex rings extend into the grooves, and the connecting clamp surrounds the connecting convex rings and enables the first cylinder body to be tightly attached to the second cylinder body.
2. The drainage relay device according to claim 1, wherein: the connecting clamp is of an annular structure with an opening, and a locking mechanism is arranged at the opening of the connecting clamp so as to clamp the first cylinder body and the second cylinder body.
3. The drainage relay device according to claim 2, wherein: the two ends of the connecting clamp are provided with locking seats, the gap between the two locking seats forms an opening of the connecting clamp, the locking mechanism comprises a movable joint bolt and a claw nut, one end of the movable joint bolt is rotatably connected with one locking seat, the other locking seat is provided with a U-shaped hole matched with the movable joint bolt, and the movable joint bolt is locked by the claw nut after passing through the U-shaped hole.
4. A drainage relay device as claimed in claim 3, wherein: the motor cable of the submersible pump extends out of the shell assembly from a through hole formed by the two notches of the connecting convex rings, and the motor cable is sleeved with a waterproof rubber sleeve;
the number of the locking mechanisms is two, and the two locking mechanisms are arranged on two sides of the motor cable along the axial direction of the shell assembly.
5. The drainage relay device according to claim 1, wherein: the axial section of the connecting convex ring is right trapezoid, the axial section of the groove is trapezoid, and the opening width of the groove is larger than the length of the bottom edge of the section of the groove.
6. Drainage relay device according to any of claims 1-5, wherein: the first barrel is far away from an opening at one end of the second barrel to form the external water inlet, a diversion support cap and a diversion support plate are arranged in the first barrel, the diversion support cap is of a revolving body structure, the diameter of the diversion support cap is gradually increased along the fluid flow direction in the shell assembly, one end, close to the second barrel, of the diversion support cap is detachably sleeved on the submersible pump, an anti-collision gasket is arranged between the diversion support cap and the submersible pump, and the anti-collision gasket is made of elastic materials; the guide support cap is connected with the inner wall of the first barrel by utilizing the guide support plates, the guide support plates are parallel to the axis of the first barrel, the number of the guide support plates is multiple, and the guide support plates are circumferentially and uniformly distributed around the axis of the first barrel.
7. The drainage relay device according to claim 6, wherein: the water inlet one end of immersible pump stretches into in the second barrel and with the water conservancy diversion supports the cap and can dismantle the connection, first barrel inner wall with the water conservancy diversion supports the gap between the cap, the second barrel inner wall with gap between the immersible pump outer wall forms jointly the circulation passageway, the second barrel keep away from the one end of first barrel have with immersible pump looks adaptation tang.
8. Drainage relay device according to any of claims 1-5, wherein: the external water inlet is provided with a detection interface, the shell assembly can be connected with a detection element by using the detection interface, and the detection element can detect the pressure of fluid at the external water inlet.
9. Drainage relay device according to any of claims 1-5, wherein: the bottoms of the first cylinder body and the second cylinder body are respectively provided with a supporting foot plate.
10. A relay drainage system, characterized in that: comprising the drainage relay device according to any one of claims 1-9, wherein when the number of the drainage relay devices is plural, the drainage relay devices are arranged in series by using a communication pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479128.1U CN220036972U (en) | 2023-06-12 | 2023-06-12 | Drainage relay device and relay drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479128.1U CN220036972U (en) | 2023-06-12 | 2023-06-12 | Drainage relay device and relay drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036972U true CN220036972U (en) | 2023-11-17 |
Family
ID=88726735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321479128.1U Active CN220036972U (en) | 2023-06-12 | 2023-06-12 | Drainage relay device and relay drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036972U (en) |
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2023
- 2023-06-12 CN CN202321479128.1U patent/CN220036972U/en active Active
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