CN215627135U - Integrated water route board and water purifier thereof - Google Patents
Integrated water route board and water purifier thereof Download PDFInfo
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- CN215627135U CN215627135U CN202121321485.6U CN202121321485U CN215627135U CN 215627135 U CN215627135 U CN 215627135U CN 202121321485 U CN202121321485 U CN 202121321485U CN 215627135 U CN215627135 U CN 215627135U
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Abstract
The utility model discloses an integrated waterway plate and a water purifier thereof, belonging to the field of water purifiers, and the integrated waterway plate is arranged in the water purifier, the water purifier is provided with a first RO filter element and a second RO filter element, the first RO filter element comprises a first water inlet, a first water purifying port and a first concentrated water port, the second RO filter element comprises a second water inlet, a second water purifying port and a second concentrated water port, the integrated waterway plate comprises a waterway plate body, a plurality of mutually separated flow paths are arranged in the waterway plate body, and the plurality of flow paths comprise a water inlet flow channel used for being connected with the first water inlet, a concentrated water purifying flow channel used for connecting the first concentrated water port with the second water inlet and a flushing flow channel used for connecting the first water purifying port, the second water purifying outlet and the first water inlet. This integrated water route board and water purifier thereof, it is integrated in the water route inboard with the water route, convenient equipment and dismantlement, reduce the volume simultaneously.
Description
Technical Field
The utility model belongs to the field of water purifiers, and particularly relates to an integrated waterway plate and a water purifier thereof.
Background
Along with the improvement of the living standard of people, the water purifier enters the daily life of people as a common household appliance, and the internal filter element and each wading part need to be connected by a water path. In prior art, adopt PE pipe to connect each part usually, so cause purifier internal pipeline complicated, bulky, assemble and dismantle inconvenient.
Therefore, a new technology is needed to solve the problem of inconvenient assembly of the internal parts of the water purifier in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, the present invention provides an integrated waterway plate and a water purifier thereof, which integrate a waterway into the waterway plate, facilitate assembly and disassembly, and reduce the volume.
The utility model adopts the following technical scheme:
the utility model provides an integrated water route board, sets up in the water purifier, the water purifier has first RO filter core and second RO filter core, first RO filter core includes first water inlet, first clean mouth of a river and first dense mouth of a river, the second RO filter core includes second water inlet, second clean mouth of a river and the dense mouth of a river of second, integrated water route board includes water route board body, this internal many flow paths that are equipped with each other of water route board, many flow paths including be used for with the water inlet runner that first water inlet is connected, be used for with first dense mouth of a river with dense water purification runner that the second water inlet is connected with be used for with first clean mouth of a river, second clean water export with the runner that washes that first water inlet is connected.
As a further improvement of the technical scheme of the utility model, the water circuit board body is provided with a raw water inlet, the raw water inlet is connected with the first water inlet through the water inlet channel, and the water inlet channel is sequentially provided with a preposed filter element, a water inlet valve and a pump body along the water flow direction from the raw water inlet to the first water inlet;
the water inlet flow channel comprises a first flow channel, a second flow channel, a third flow channel and a fourth flow channel;
two ends of the first flow path are respectively provided with a first connector connected with the raw water inlet and the preposed filter element;
two ends of the second flow path are respectively provided with a second interface connected with the preposed filter element and the water inlet valve;
a third interface connected with the water inlet valve and the pump body is respectively arranged at two ends of the third flow path;
and the two ends of the fourth flow path are respectively provided with a fourth interface connected with the pump body and the first RO filter element.
As a further improvement of the technical scheme of the present invention, the third flow path is further connected with a first flow meter, the third flow path includes a flow meter water inlet section and a flow meter water outlet section, two ends of the flow meter water inlet section are respectively the third interface and the first flow inlet interface connected with the water inlet valve, and the flow meter water outlet section is respectively the third interface and the first flow outlet interface connected with the pump body.
As a further improvement of the technical scheme of the utility model, a first TDS meter and a temperature sensor are further arranged between the pump body and the first RO filter element on the water inlet channel, and a first TDS interface and a temperature sensing interface are arranged on the fourth flow channel.
As a further improvement of the technical scheme of the utility model, two ends of the concentrated water purification flow passage are respectively provided with a concentrated water inlet interface and a concentrated water outlet interface, the concentrated water inlet interface is used for being connected with the first concentrated water port, and the concentrated water outlet interface is used for being connected with the second water port.
As a further improvement of the technical scheme of the utility model, the waterway plate body is provided with a wastewater outlet and a wastewater channel, and the wastewater channel is communicated with the concentrated water purification channel and the second concentrated water outlet.
As a further improvement of the technical scheme of the utility model, a control valve is arranged on the wastewater channel, and the wastewater channel comprises a first wastewater section and a second wastewater section; one end of the first wastewater section is communicated with the concentrated water purification flow channel, and the other end of the first wastewater section is a control valve water inlet interface which is used for being connected with the control valve; one end of the second wastewater section is a control valve water outlet connector connected with the control valve, the other end of the second wastewater section is connected with the wastewater outlet, and the second wastewater section is connected with the second concentrated water outlet.
As a further improvement of the technical scheme of the utility model, the waterway plate body is provided with a pure water outlet, and a pure water channel for connecting the pure water outlet with the first pure water port and the second pure water outlet is also arranged;
a flushing electromagnetic valve is arranged on the flushing flow channel, the flushing flow channel comprises a first flushing flow section and a second flushing flow section, one end of the first flushing flow section is communicated with the pure water flow channel, and the other end of the first flushing flow section is a backflow water inlet interface used for being connected with the flushing electromagnetic valve; one end of the second flushing flow section is a backflow water outlet connector used for being connected with the flushing electromagnetic valve, and the other end of the second flushing flow section is communicated with the water inlet flow channel.
As a further improvement of the technical scheme of the utility model, a second flowmeter, a second TDS meter, a post-filter element and a pressure sensor are sequentially arranged between the flushing flow channel and the pure water outlet in the pure water flow channel;
the pure water flow passage further comprises a fifth flow passage, a sixth flow passage and a seventh flow passage;
one end of the fifth flow path is connected with the flushing flow channel, the first water purifying port and the second water purifying port, and the other end of the fifth flow path is a second flow water inlet joint used for being connected with the second flow meter;
one end of the sixth flow path is a second flow outlet joint used for being connected with the second flow meter, the other end of the sixth flow path is a rear filter element water inlet joint used for being connected with the rear filter element, and a second TDS interface used for being connected with the second TDS meter and a pressure sensing interface used for being connected with the pressure sensor are further arranged on the sixth flow path;
one end of the seventh flow path is a post-filter element outlet joint used for being connected with the post-filter element, and the other end of the seventh flow path is communicated with the pure water outlet.
A water purifier includes the integrated water route plate as described above.
Compared with the prior art, the utility model has the beneficial effects that:
the integrated water channel plate is applied to the water purifier provided with the flushing flow channel, the flushing flow channel can introduce pure water into the water inlet flow channel and the concentrated water purification flow channel for cleaning after the pure water is generated, and the integrated water channel plate integrates all the flow channels on the water channel plate body, so that the connection of a PE pipeline is reduced during assembly, the assembly and the disassembly are more convenient, and the volume is effectively reduced.
Drawings
The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:
FIG. 1 is a schematic diagram of a water path of the water purifier;
FIG. 2 is a front view of the present integrated waterway plate;
fig. 3 is an internal flow passage layout diagram of the present integrated circuit board.
Reference numerals:
1-a first RO cartridge; 11-a first water inlet; 12-a first clean water port; 13-a first concentrate port;
2-a second RO filter cartridge; 21-a second water inlet; 22-a second clean water port; 23-a second concentrate port;
3-a water circuit board body; 31-a water inlet channel; 311-a first flow path; 3111-a first interface; 312 — a second flow path; 3121-a second interface; 313-a third flow path; 3131 — a third interface; 3132-a flow meter water inlet section; 3133-a first flow water inlet interface; 3134-a flow meter outlet section; 3135-a first flow outlet interface; 314-fourth flow path; 3141-fourth interface; 3142-a first TDS interface; 3143-temperature sensing interface; 32-concentrated water purification flow channel; 321-a concentrated water inlet interface; 322-concentrated water outlet interface; 33-flushing the flow channel; 331-a first rinse flow section; 3311-reflux water inlet port; 332-a second rinse flow section; 3321-reflux water outlet interface; 34-raw water inlet; 35-a waste water outlet; 36-a wastewater channel; 361-a first wastewater section; 3611-control valve water inlet interface; 362-second wastewater section; 3621-water outlet interface of control valve; 37-a pure water outlet; 38-a pure water flow channel; 381-fifth flow path; 3811-a second flow water inlet joint; 382-a sixth flow path; 3821-a second flow water outlet joint; 3822-a rear cartridge water inlet fitting; 3823-a second TDS interface; 3824-a pressure sensitive interface; 383-a seventh flow path; 3831-a rear cartridge outlet fitting;
4-a front filter element; 5-a water inlet valve; 6-a pump body; 7-a first flow meter; 8-a first TDS meter; 9-a temperature sensor; 10-a control valve; 101-flushing the electromagnetic valve; 103-a second flow meter; 104-a second TDS meter; 105-a rear filter element; 106-pressure sensor.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
Referring to fig. 1 to 3, an integrated waterway plate is provided in a water purifier having a first RO cartridge 1 and a second RO cartridge 2, wherein the first RO cartridge 1 includes a first water inlet 11, a first purified water port 12 and a first concentrated water port 13, the second RO cartridge 2 includes a second water inlet 21, a second purified water port 22 and a second concentrated water port 23, the integrated waterway plate includes a waterway plate body 3, and a plurality of flow paths separated from each other are provided in the waterway plate body 3, and the plurality of flow paths include a water inlet flow path 31 for connecting the first water inlet 11, a concentrated water purification flow path 32 for connecting the first concentrated water port 13 with the second water inlet 21, and a rinsing flow path 33 for connecting the first purified water port 12 and the second purified water outlet with the first water inlet 11.
The water purifier adopts the first RO filter element 1 and the second RO filter element 2 to carry out secondary filtration, improves the proportion of pure water, and is also provided with the flushing flow passage 33, so that the purified pure water can be used for flushing the water inlet flow passage 31 and the concentrated water purification flow passage 32 after the flow passages are dirty.
Based on foretell structure, integrated water route board is integrated on water route board body 3 with each runner, has reduced the connection of PE pipeline during the assembly, and it is more convenient to assemble and dismantle, has effectively reduced the volume simultaneously. The integrated water passage plate is suitable for the water purifier provided with the flushing flow passage 33.
Specifically, the water route board body 3 is equipped with raw water inlet 34, the water inlet channel 31 will raw water inlet 34 with first water inlet 11 is connected, along the rivers direction of raw water inlet 34 to first water inlet 11, be equipped with leading filter core 4, water intaking valve 5 and pump body 6 on the water inlet channel 31 in proper order. The pre-filter 4 is typically an activated carbon filter. The water inlet channel 31 includes a first channel 311, a second channel 312, a third channel 313 and a fourth channel 314.
A first port 3111 connected to the raw water inlet 34 and the pre-filter 4 is provided at each end of the first flow path 311, and the raw water inlet 34 is connected to the pre-filter 4 through the first flow path 311, so that raw water (for example, tap water) introduced from the raw water inlet 34 is introduced into the pre-filter 4 to be purified.
The two ends of the second flow path 312 are respectively provided with a second interface 3121 connected with the pre-filter 4 and the water inlet valve 5, the pre-filter 4 is connected with the water inlet valve 5 through the second flow path 312, so that the communication of the water inlet flow path 31 is controlled through the water inlet valve 5, and the stop and start of the purification of the pre-filter 4 and the first RO filter 1 are controlled.
The two ends of the third flow path 313 are respectively provided with a third port 3131 connected with the water inlet valve 5 and the pump body 6, the water inlet valve 5 is connected with the pump body 6 through the third flow path 313, so that the communication and the water supply pressure of the water inlet flow channel 31 are controlled through the water inlet valve 5 and the pump body 6, and the stop and start of the purification of the pre-filter element 4 and the first RO filter element 1 and the working pressure are controlled. The pump body 6 may be a pressure pump.
Both ends of the fourth flow channel 314 are provided with fourth ports 3141 connected to the pump body 6 and the first RO cartridge 1, respectively. The pump body 6 is connected to the first RO cartridge 1 through the fourth flow path 314 to supply water to the first RO cartridge 1 through the pump body 6 and maintain the working water pressure.
More specifically, the third flow path 313 is further connected to a first flow meter 7, the third flow path 313 includes a flow meter water inlet section 3132 and a flow meter water outlet section 3134, two ends of the flow meter water inlet section 3132 are respectively the third port 3131 and the first flow inlet port 3133 connected to the water inlet valve 5, and the flow meter water outlet section 3134 is respectively the third port 3131 and the first flow outlet port 3135 connected to the pump body 6. The water inlet valve 5, the first flowmeter 7 and the pump body 6 are connected in series through the flowmeter water inlet section 3132 and the flowmeter water outlet section 3134 to meter the water discharged by the water inlet valve 5.
Wherein, the water inlet channel 31 is last the pump body 6 with still be equipped with first TDS meter 8 and temperature sensor 9 between the first RO filter core 1, fourth flow path 314 is equipped with first TDS interface 3142 and temperature sensing interface 3143, can install first TDS meter 8 and temperature sensor 9 respectively through first TDS interface 3142 and temperature sensing interface 3143 to detect the quality of water and the temperature of water inlet channel 31.
The two ends of the concentrated water purification flow channel 32 are respectively provided with a concentrated water inlet interface 321 and a concentrated water outlet interface 322, the concentrated water inlet interface 321 is used for connecting with the first concentrated water inlet 13, and the concentrated water outlet interface 322 is used for connecting with the second water inlet 21. Namely, the first RO filter element 1 and the second RO filter element 2 are connected through the concentrated water inlet connector 321 and the concentrated water outlet connector 322, so that the concentrated water generated by the first RO filter element 1 is further purified, and the water production proportion of pure water is improved.
The water circuit board body 3 is provided with a waste water outlet 35 and a waste water runner 36, and the waste water runner 36 is communicated with the concentrated water purification runner 32 and the second concentrated water outlet. The concentrated water generated by the second RO cartridge 2 is wastewater, and the wastewater is guided to the wastewater outlet 35 through the wastewater channel 36 to be discharged, or the concentrated water generated by the first RO cartridge 1 may be directly guided to the wastewater outlet 35 to be discharged.
As a further improvement of the technical solution of the present invention, a control valve 10 is disposed on the wastewater channel 36, and the wastewater channel 36 includes a first wastewater section 361 and a second wastewater section 362; one end of the first wastewater segment 361 is communicated with the concentrated water purification flow channel 32, and the other end is provided with a control valve 10 water inlet port 3611 which is used for being connected with the control valve 10; one end of the second waste water section 362 is a control valve 10 water outlet port 3621 connected with the control valve 10, the other end is connected with the waste water outlet 35, and the second waste water section 362 is connected with the second concentrated water outlet. That is, the control valve 10 can control the concentrated water produced by the first RO cartridge 1 to be directly discharged to the wastewater outlet 35 or to be purified by the second RO cartridge 2 to produce concentrated water and wastewater. Wherein, the control valve 10 adopts an electromagnetic valve.
The water circuit board body 3 is provided with a pure water outlet 37, and a pure water flow passage 38 for connecting the pure water outlet 37 with the first water purifying port 12 and the second water purifying port; a flushing electromagnetic valve 101 is arranged on the flushing flow passage 33, the flushing flow passage 33 comprises a first flushing flow section 331 and a second flushing flow section 332, one end of the first flushing flow section 331 is communicated with the pure water flow passage 38, and the other end of the first flushing flow section 331 is provided with a backflow water inlet port 3311 for connecting with the flushing electromagnetic valve 101; one end of the second flushing flow section 332 is a backflow water outlet port 3321 for connecting with the flushing solenoid valve 101, and the other end is communicated with the water inlet flow channel 31. The pure water flow channel 38 is communicated with the water inlet flow channel 31 through the first flushing flow section 331 and the second flushing flow section 332 to form the flushing flow channel 33 through connection, the flushing flow channel 33 is connected with the upper flushing electromagnetic valve 101, the purified pure water can be used for flushing the water inlet flow channel 31 and the concentrated water purifying flow channel 32 after the flow channels are dirty, and the arrangement of the check valve in the flushing electromagnetic valve 101 can prevent the raw water from being directly discharged from the pure water outlet 37 through the flushing flow channel 33 during water purification.
Preferably, the pure water flow channel 38 is provided with a second flow meter 103, a second TDS meter 104, a post-filter element 105 and a pressure sensor 106 in sequence between the flushing flow channel 33 and the pure water outlet 37; the pure water flow passage 38 further includes a fifth flow passage 381, a sixth flow passage 382, and a seventh flow passage 383; one end of the fifth flow path 381 is connected to the flushing flow path 33, the first clean water port 12 and the second clean water port 22, and the other end is a second flow rate water inlet connector 3811 for connecting to the second flow rate meter 103; one end of the sixth flow path 382 is a second flow outlet 3821 connected to the second flow meter 103, and the other end is a rear filter element 105 inlet 3822 connected to the rear filter element 105, and the sixth flow path 382 is further provided with a second TDS interface 3823 connected to the second TDS meter 104; one end of the seventh flow path 383 is a post-filter element 105 outlet joint 3831 used for being connected with the post-filter element 105, the other end of the seventh flow path 383 is communicated with the pure water outlet 37, and a pressure sensing interface 3832 used for being connected with the pressure sensor 106 is further arranged on the seventh flow path 383. Through foretell setting, can install succinctly second flowmeter 103, second TDS meter 104, rearmounted filter core 105 and pressure sensor 106 on water route board body 3 and be connected with pure water runner 38, reduce the use of PE pipe, it is more convenient, the volume is littleer. The post-filter element 105 can adopt an active carbon filter element to play a role in adjusting the taste. The second TDS meter 104 is used to detect the quality of pure water, and the second flow meter 103 is used to detect the flow rate of pure water in the pure water flow passage 38.
As shown in fig. 1 to 3, a water purifier includes the integrated water route plate as described above.
Other contents of the integrated waterway plate and the water purifier thereof are referred to in the prior art and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an integrated water route board, sets up in the water purifier, the water purifier has first RO filter core and second RO filter core, first RO filter core includes first water inlet, first clean mouth of a river and first dense mouth of a river, second RO filter core includes second water inlet, second clean mouth of a river and the dense mouth of a river of second, its characterized in that: the integrated waterway plate comprises a waterway plate body, wherein a plurality of mutually separated flow paths are arranged in the waterway plate body, and each flow path comprises a water inlet flow channel used for being connected with the first water inlet, a concentrated water purification flow channel used for connecting the first concentrated water inlet with the second water inlet, and a flushing flow channel used for connecting the first purified water inlet and the second purified water outlet with the first water inlet.
2. The integrated waterway plate of claim 1, wherein: the water circuit board body is provided with a raw water inlet, the raw water inlet is connected with the first water inlet through the water inlet flow channel, and a preposed filter element, a water inlet valve and a pump body are sequentially arranged on the water inlet flow channel along the water flow direction from the raw water inlet to the first water inlet;
the water inlet flow channel comprises a first flow channel, a second flow channel, a third flow channel and a fourth flow channel;
two ends of the first flow path are respectively provided with a first connector connected with the raw water inlet and the preposed filter element;
two ends of the second flow path are respectively provided with a second interface connected with the preposed filter element and the water inlet valve;
a third interface connected with the water inlet valve and the pump body is respectively arranged at two ends of the third flow path;
and the two ends of the fourth flow path are respectively provided with a fourth interface connected with the pump body and the first RO filter element.
3. The integrated waterway plate of claim 2, wherein: the third flow path is also connected with a first flowmeter and comprises a flowmeter water inlet section and a flowmeter water outlet section, the two ends of the flowmeter water inlet section are respectively provided with a third interface and a first flowmeter water inlet interface which are connected with a water inlet valve, and the flowmeter water outlet section is respectively provided with a third interface and a first flowmeter water outlet interface which are connected with the pump body.
4. The integrated waterway plate of claim 2, wherein: the last the pump body with still be equipped with first TDS meter and temperature sensor between the first RO filter core of water inlet channel, the fourth flow path is equipped with first TDS interface and temperature-sensing interface.
5. The integrated waterway plate of claim 1, wherein: the two ends of the concentrated water purification flow passage are respectively provided with a concentrated water inlet interface and a concentrated water outlet interface, the concentrated water inlet interface is used for being connected with the first concentrated water inlet, and the concentrated water outlet interface is used for being connected with the second water inlet.
6. The integrated water circuit board of claim 5, wherein: the water channel plate body is provided with a waste water outlet and a waste water flow channel, and the waste water flow channel is communicated with the concentrated water purification flow channel and the second concentrated water outlet.
7. The integrated waterway plate of claim 6, wherein: the waste water flow channel is provided with a control valve and comprises a first waste water section and a second waste water section; one end of the first wastewater section is communicated with the concentrated water purification flow channel, and the other end of the first wastewater section is a control valve water inlet interface which is used for being connected with the control valve; one end of the second wastewater section is a control valve water outlet connector connected with the control valve, the other end of the second wastewater section is connected with the wastewater outlet, and the second wastewater section is connected with the second concentrated water outlet.
8. The integrated waterway plate of claim 1, wherein: the water channel plate body is provided with a pure water outlet and a pure water channel which connects the pure water outlet with the first pure water port and the second pure water outlet;
a flushing electromagnetic valve is arranged on the flushing flow channel, the flushing flow channel comprises a first flushing flow section and a second flushing flow section, one end of the first flushing flow section is communicated with the pure water flow channel, and the other end of the first flushing flow section is a backflow water inlet interface used for being connected with the flushing electromagnetic valve; one end of the second flushing flow section is a backflow water outlet connector used for being connected with the flushing electromagnetic valve, and the other end of the second flushing flow section is communicated with the water inlet flow channel.
9. The integrated water circuit board of claim 8, wherein: the pure water flow channel is sequentially provided with a second flowmeter, a second TDS meter, a post-filter element and a pressure sensor between the flushing flow channel and the pure water outlet;
the pure water flow passage further comprises a fifth flow passage, a sixth flow passage and a seventh flow passage;
one end of the fifth flow path is connected with the flushing flow channel, the first water purifying port and the second water purifying port, and the other end of the fifth flow path is a second flow water inlet joint used for being connected with the second flow meter;
one end of the sixth flow path is a second flow outlet joint used for being connected with the second flow meter, the other end of the sixth flow path is a rear filter element water inlet joint used for being connected with the rear filter element, and a second TDS interface used for being connected with the second TDS meter and a pressure sensing interface used for being connected with the pressure sensor are further arranged on the sixth flow path;
one end of the seventh flow path is a post-filter element outlet joint used for being connected with the post-filter element, and the other end of the seventh flow path is communicated with the pure water outlet.
10. A water purifier comprising an integrated waterway plate according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321485.6U CN215627135U (en) | 2021-06-11 | 2021-06-11 | Integrated water route board and water purifier thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321485.6U CN215627135U (en) | 2021-06-11 | 2021-06-11 | Integrated water route board and water purifier thereof |
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| Publication Number | Publication Date |
|---|---|
| CN215627135U true CN215627135U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121321485.6U Active CN215627135U (en) | 2021-06-11 | 2021-06-11 | Integrated water route board and water purifier thereof |
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| Country | Link |
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| CN (1) | CN215627135U (en) |
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2021
- 2021-06-11 CN CN202121321485.6U patent/CN215627135U/en active Active
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