CN220618655U - River course treatment device - Google Patents
River course treatment device Download PDFInfo
- Publication number
- CN220618655U CN220618655U CN202322060516.2U CN202322060516U CN220618655U CN 220618655 U CN220618655 U CN 220618655U CN 202322060516 U CN202322060516 U CN 202322060516U CN 220618655 U CN220618655 U CN 220618655U
- Authority
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- China
- Prior art keywords
- fixedly connected
- cabin
- water
- river course
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000010790 dilution Methods 0.000 claims abstract description 22
- 239000012895 dilution Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007865 diluting Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005067 remediation Methods 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 241000233866 Fungi Species 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 239000002068 microbial inoculum Substances 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The application discloses river course treatment device relates to river course treatment technical field, including the buoyancy chamber, one side fixedly connected with of buoyancy chamber administers the mechanism, administer the mechanism including buoyancy chamber, dilution cabin, deposit medicine pipe, outer box, upper cover, branch water cone, extension board, spray pipe, first pump machine, water suction pipe, outlet pipe, second pump machine, aqueduct, gag lever post and limiting plate, the top fixedly connected with dilution cabin of dilution cabin, one side front end top outer wall activity block in dilution cabin is connected with and deposits the medicine pipe, dilution cabin top middle part outer wall fixedly connected with outer box, one side inner wall fixedly connected with limiting plate of outer box. The application is put and is administered mechanism, when later stage user need administer the stagnant water that artifical river course does not flow, can administer the water in the artifical river course to collect some rubbish that the surface of water floats simultaneously.
Description
Technical Field
The application river course treatment technical field especially relates to a river course treatment device.
Background
Engineering measures for river channel renovation, control and reconstruction often generate scouring and silting phenomena in natural rivers, water damage is easy to occur, water conservancy development is hindered, and proper measures are needed to be taken for river channel renovation in order to adapt to the requirements of benefiting from the elimination of the trouble.
The water in the artificial river channel can gradually become dead water and become odorous and blackened when the artificial river channel is not treated by carding for a long time, and the artificial river channel is generally treated by physical biology and chemical treatment, but the artificial river channel is generally treated by extracting and infusing new water source integrally with the water in the artificial river channel or by cleaning sludge at the bottom of the river channel, the treatment difficulty is high by the method, the chemical treatment is generally treated by denitrification and sterilization of quicklime, and then the alum is added to adsorb impurities in the water, but the water ecology is influenced to a certain extent when the chemical agent is used for a long time, and the water quality is usually sprayed by manpower on a boat at the present stage when the user is treated by water, so that the artificial river channel water resource is treated by a biological treatment method with low treatment cost and low ecological influence on the water resource.
Disclosure of Invention
In order to solve the problems of the existing river treatment scheme that the treatment cost is high and the influence on ecology is large, the application provides a river treatment device.
The application provides a river course administering device adopts following technical scheme:
the utility model provides a river course treatment device, includes the floating cabin, one side fixedly connected with of floating cabin is administered the mechanism, administer the mechanism and include floating box, dilution cabin, deposit the pencil, outer case, upper cover, branch flow cone, extension board, spray pipe, first pump, the water pipe that absorbs water, outlet pipe, second pump, aqueduct, gag lever post and limiting plate, the top fixedly connected with dilution cabin of floating box, one side front end top outer wall swing joint of dilution cabin is connected with and is deposited the pencil, dilution cabin top middle part outer wall fixedly connected with outer case, one side inner wall fixedly connected with limiting plate of outer case, the inside swing joint of limiting plate is connected with the gag lever post, the opposite side fixedly connected with extension board of gag lever post, the top fixedly connected with upper cover of extension board, the bottom middle-end fixedly connected with branch flow cone of upper cover, the bottom inner wall fixedly connected with spray pipe of outer case, the bottom fixedly connected with first pump of spray pipe, the bottom fixedly connected with of first pump absorbs water pipe, one side of dilution cabin, one side fixedly connected with water pipe fixedly connected with second pump bottom one side of dilution cabin, the outlet pipe fixedly connected with second pump.
Based on the technical characteristics, the filter screen is further arranged on the inner wall of the bottom of the water guide pipe, so that the sucked river water can be filtered.
Preferably, the treatment mechanism further comprises a first electric push rod, an upper beam, a telescopic rod, a lower beam, a second electric push rod and a second electric push rod, the lower beam is movably attached to the front end of the bottom of the floating box, the second electric push rod is fixedly connected to the rear end of the lower beam, the telescopic rod is fixedly connected to one side of the front end of the second electric push rod, the upper beam is fixedly connected to the top of the telescopic rod, the first electric push rod is fixedly connected to the rear end of the upper beam, and the interception net is fixedly connected to the inner wall of the telescopic rod.
Based on the technical characteristics, when working in the later stage, some garbage on the surface of the river channel can be intercepted and collected through the interception net.
Preferably, the first electric push rod is fixedly connected with the floating box in a penetrating manner, and the floating box is fixedly connected with the second electric push rod.
Based on the technical characteristics, the whole device can float on the water surface through two groups of floating boxes during later working.
Preferably, the second pump machine is fixedly connected with the dilution cabin, the water guide pipe is connected with the second pump machine in a sleeved mode, and the water guide pipe is fixedly connected with the floating box in a penetrating mode.
Based on the technical characteristics, when working in the later stage, the second pump can pump the water in the river channel through the water guide pipe.
Preferably, the inner wall of one side of the floating cabin is fixedly connected with a motor, and the other side of the motor is connected with a gear through a coupler.
Based on the technical characteristics, the gear can be driven by the motor to rotate for transmission during later working.
Preferably, one side of the gear is movably engaged with a tooth socket, the middle part of the tooth socket is fixedly connected with a first transmission rod in a penetrating way, one side of the tooth socket is provided with a first rotary disc, and the first rotary disc is fixedly connected with the first transmission rod in a penetrating way.
Based on the technical characteristics, in the later working process, a user can drive the first transmission rod to rotate through the meshing between the gear and the tooth slot.
Preferably, the peripheral side outer wall activity winding of first carousel is connected with the drive belt, the other end activity winding of drive belt is connected with the second carousel, the fixed through connection in one side middle part of second carousel has the second transfer line.
Based on the technical characteristics, when working in the later stage, a user can drive the second turntable by the driving belt to drive the second turntable to rotate in the same direction as the first turntable.
Preferably, one side of the second transmission rod and one side of the first transmission rod are fixedly connected with transmission discs, and the peripheral sides of the transmission discs are fixedly connected with paddle blades.
Based on the technical characteristics, in the later working process, a user can stir the water surface through the paddle to increase the oxygen content of the water body.
In summary, the present application includes at least one of the following beneficial effects:
through setting up treatment mechanism, when the dead water that later stage user needs not flow to artifical river course is administered, can administer the water in the artifical river course, and collect some rubbish that the surface of water floats simultaneously, wherein the user is at first with some microorganism fungus agent place in the inside of depositing the pipe, will deposit the pipe block at the top of diluting the cabin later, the user starts the second pump machine, then the second pump machine is taken out water through the aqueduct and is sent to the outlet pipe, the inside of diluting the cabin is reached later, the water of taking in later carries out dilution and mixing with the microorganism fungus agent of diluting cabin medicine-storing intraduct, the user starts first pump machine later, water that will dilute is taken out through the aqueduct, and spout through the spray pipe, and can shunt and form the water curtain and carry out wide area and spray when the water that just spouts to the water diversion cone, later carries out the dilution and take microorganism fungus's water to the inside of river course, the user can be administered through adjusting the extension board and the position adjustment upper cover at the limiting plate surface through the aqueduct, thereby the adjustment water is taken out water and dilution and is sent to the outlet pipe, the inside microorganism fungus agent of diluting the diluting cabin is diluted and mixed with diluting medicine-storing the inside, the electric cross bar is carried out to the electric motor-driven device through the electric cross bar and the first water surface through the electric cross bar and the first, the electric cross bar is reduced and the electric cross bar is reached when the electric cross bar is moved to the first time, the electric cross bar is reached, and the electric cross bar is reached, the electric cross bar is moved and is reached and the electric cross bar is moved down and the water down to the water and has reduced the cost is lower the electric cross bar and can be stopped to the electric cross bar and can be reached.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic diagram of the structure of the treatment mechanism of the present application;
FIG. 3 is a schematic view of the connection structure of the dilution tank of the present application;
FIG. 4 is a connecting and disconnecting view of the limit lever of the present application;
FIG. 5 is a schematic view of the lower beam connection structure of the present application;
fig. 6 is a diagram showing the internal connection structure of the buoyancy module of the present application.
Reference numerals illustrate:
1. a governance mechanism; 101. a flotation tank; 102. a dilution cabin; 103. a medicine storage tube; 104. an outer case; 105. an upper cover; 106. a split cone; 107. a support plate; 108. a water spray pipe; 109. a first pump; 110. a water suction pipe; 111. a water outlet pipe; 112. a second pump; 113. a water conduit; 114. a limit rod; 115. a limiting plate; 116. a first electric push rod; 117. an upper cross beam; 118. a telescopic rod; 119. a lower cross beam; 120. a second electric push rod; 121. an interception net; 2. a floating cabin; 3. a first transmission rod; 4. tooth slots; 5. a gear; 6. a motor; 7. a first turntable; 8. a transmission belt; 9. a second turntable; 10. a second transmission rod; 11. a drive plate; 12. paddle for rowing.
Detailed Description
The following description of the embodiments of the present application will be given with reference to the accompanying drawings, which are incorporated in and constitute a complete description of the embodiments of the present application, and it is apparent that the embodiments described are only some, but not all embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, 2 and 3, an embodiment provided in the present application is shown: the utility model provides a river course treatment device, including floating cabin 2, one side fixedly connected with treatment mechanism 1 of floating cabin 2, treatment mechanism 1 includes floating tank 101, diluting cabin 102, deposit the pencil 103, outer case 104, spray pipe 108, first pump 109, the drinking straw 110, outlet pipe 111, second pump 112, aqueduct 113, the top fixedly connected with diluting cabin 102 of floating tank 101, the front end top outer wall activity block in one side of diluting cabin 102 is connected with deposits pencil 103, diluting cabin 102 top middle part outer wall fixedly connected with outer case 104, the bottom inner wall fixedly connected with spray pipe 108 of outer case 104, the bottom fixedly connected with first pump 109 of spray pipe 108, the bottom fixedly connected with drinking straw 110 of first pump 109, one side outer wall fixedly connected with outlet pipe 111 of diluting cabin 102, bottom one side fixedly connected with second pump 112 of outlet pipe 111, the opposite side fixedly connected with aqueduct 113 of second pump 112.
Wherein: further, the water column sprayed out through the spray pipe 108 can be split into a water curtain shape through the split cone 106, and a user can adjust the size and diameter of the water curtain according to the height of the split cone 106, and the user can remotely control all electrical components in the device through Bluetooth, and the user can dilute the microbial agent through the dilution cabin 102.
Referring to fig. 4 and 5, the treatment mechanism 1 further includes an upper cover 105, a diverter cone 106, a support plate 107, a limiting rod 114, a limiting plate 115, a first electric push rod 116, an upper beam 117, a telescopic rod 118, a lower beam 119, a second electric push rod 120 and a second electric push rod 120, wherein the lower beam 119 is movably attached to the front end of the bottom of the floating box 101, the second electric push rod 120 is fixedly connected to the rear end of the lower beam 119, the telescopic rod 118 is fixedly connected to one side of the front end of the second electric push rod 120, the upper beam 117 is fixedly connected to the top of the telescopic rod 118, the rear end of the upper beam 117 is fixedly connected with the first electric push rod 116, the inner wall of the telescopic rod 118 is fixedly connected with an interception net 121, the first electric push rod 116 is fixedly connected with the floating box 101, the floating box 101 is fixedly connected with the second electric push rod 120, the second pump 112 is fixedly connected with the diluting cabin 102, the water guide pipe 113 is fixedly connected with the second pump 112, the water guide pipe 113 is fixedly connected with the floating box 101, one side of the inner wall of the outer box 104 is fixedly connected with the telescopic rod 118, the limiting plate 115 is fixedly connected to the other side of the inner wall of the top of the floating box 104, the limiting plate 115 is fixedly connected with the limiting plate 107, and the limiting plate 105 is fixedly connected to the top of the diverter rod 107.
Wherein: during the later working, a user can push the upper beam 117 and the lower beam 119 to leave the edge of the floatation tank 101 through the first electric push rod 116 and the second electric push rod 120 to push the upper beam to the front end, and can limit the second electric push rod 120 through the floatation tank 101.
Referring to fig. 1 and 6, an embodiment provided in the present application is shown: one side inner wall fixedly connected with motor 6 of the floating cabin 2, the opposite side of motor 6 is connected with gear 5 through the shaft coupling, one side swing joint of gear 5 has tooth's socket 4, the middle part fixedly connected with first transfer line 3 of tooth's socket 4, one side of tooth's socket 4 is provided with first carousel 7, and be fixedly connected with between first carousel 7 and the first transfer line 3, the week side outer wall activity winding of first carousel 7 is connected with drive belt 8, the other end activity winding of drive belt 8 is connected with second carousel 9, one side middle part fixedly connected with second transfer line 10 of second carousel 9, one side of second transfer line 10 and first transfer line 3 is all fixedly connected with driving disc 11, the week side fixedly connected with paddle 12 of driving disc 11.
Wherein: at the later stage during operation, can be through the shaft coupling for gear 5 transmission, wherein be movable through connection between first transfer line 3 and the showy case 101, wherein be movable through connection between second transfer line 10 and the showy case 101, can drive respectively through first transfer line 3 and second transfer line 10 and draw water paddle 12 and rotate, later draw water through drawing water paddle 12, later drive whole device and remove at the surface of water.
The working procedure is as follows:
when the device is used in the later period, the device is firstly placed on the horizontal ground to be treated, wherein a user firstly takes out the medicine storage tube 103 and injects microbial inoculum for treatment into the ground, then the user resets and clamps the medicine storage tube 103 on the top of the dilution cabin 102, then the user starts the second pump 112, then the second pump 112 pumps water out through the water guide tube 113 and sends the water into the dilution cabin 102 through the water outlet tube 111, then the pumped water is diluted and mixed with the microbial inoculum in the medicine storage tube 103 of the dilution cabin 102, then the user starts the first pump 109, the diluted water is pumped out through the water suction tube 110 through the first pump 109 and sprayed through the water spray tube 108, and the sprayed water can be split to form a water curtain to be sprayed when the sprayed water is sprayed to the diverter 106, the water in the river course is treated by diluting the water with microorganism bacteria, the height of the upper cover 105 is adjusted by adjusting the positions of the supporting plate 107 and the limiting rod 114 on the surface of the limiting plate 115, the area and the size of the water curtain are adjusted, the motor 6 is started by the user, the gear 5 is driven to rotate by the motor 6, the first transmission rod 3 is driven to rotate by the meshing between the gear 5 and the tooth slot 4, the first rotary table 7 is driven to rotate by the rotation of the first transmission rod 3, the second rotary table 9 is driven to rotate by the transmission belt 8, the transmission plates 11 on one side are driven to rotate by the rotation of the first rotary table 7 and the second rotary table 9 respectively, the water scraping paddles 12 are driven to rotate by the rotation of the transmission plates 11, the whole device is driven to move by the sliding of the water scraping paddles 12 on the water surface, and the whole device is driven to move by the sliding of the whole device, the user starts first electric putter 116 and second electric putter 120, drives entablature 117 and bottom end rail 119 through first electric putter 116 and second electric putter 120 afterwards and moves forward to spread interception net 121 through telescopic link 118, intercept and collect the rubbish of surface of water through interception net 121 afterwards, this is the workflow of this kind of river management device.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. River course administering device, including floating cabin (2), its characterized in that: one side of the floating cabin (2) is fixedly connected with a treatment mechanism (1), and the treatment mechanism (1) comprises a floating box (101), a diluting cabin (102), a medicine storage pipe (103), an outer box (104), an upper cover (105), a split cone (106), a support plate (107), a spray pipe (108), a first pump (109), a water suction pipe (110), a water outlet pipe (111), a second pump (112), a water guide pipe (113), a limiting rod (114) and a limiting plate (115);
the utility model discloses a diluting cabin, including diluting cabin (102), diluting cabin (102) top front end top outer wall swing joint is connected with medicine storage tube (103), diluting cabin (102) top middle part outer wall fixedly connected with outer case (104), one side inner wall fixedly connected with limiting plate (115) of outer case (104), the inside swing joint of limiting plate (115) is connected with gag lever post (114), the opposite side fixedly connected with extension board (107) of gag lever post (114), the top fixedly connected with upper cover (105) of extension board (107), the bottom middle-end fixedly connected with reposition of redundant personnel awl (106) of upper cover (105), the bottom inner wall fixedly connected with spray pipe (108) of outer case (104), the bottom fixedly connected with first pump machine (109) of spray pipe (108), the bottom fixedly connected with suction pipe (110) of first pump machine (109), one side outer wall fixedly connected with outlet pipe (111) of diluting cabin (102), the second pump (112) of outlet pipe one side fixedly connected with second pump (112) of extension pipe (111).
2. A river course remediation device according to claim 1, wherein: the utility model discloses a treatment mechanism (1) is including first electric putter (116), entablature (117), telescopic link (118), lower beam (119), second electric putter (120) and second electric putter (120), the bottom front end swing joint of showy case (101) is connected with lower beam (119), the rear end fixedly connected with second electric putter (120) of lower beam (119), the front end one side fixedly connected with telescopic link (118) of second electric putter (120), the top fixedly connected with entablature (117) of telescopic link (118), the rear end fixedly connected with first electric putter (116) of entablature (117), the inner wall fixedly connected with interception net (121) of telescopic link (118).
3. A river course remediation device according to claim 2, wherein: the first electric push rod (116) is fixedly connected with the floating box (101) in a penetrating manner, and the floating box (101) is fixedly connected with the second electric push rod (120).
4. A river course remediation device according to claim 1, wherein: the second pump (112) is fixedly connected with the dilution cabin (102), the water guide pipe (113) is connected with the second pump (112) in a sleeved mode, and the water guide pipe (113) is fixedly connected with the floating box (101) in a penetrating mode.
5. A river course remediation device according to claim 1, wherein: the inner wall of one side of the floating cabin (2) is fixedly connected with a motor (6), and the other side of the motor (6) is connected with a gear (5) through a coupler.
6. The river course remediation device of claim 5, wherein: one side of gear (5) is movably engaged and is connected with tooth groove (4), the middle part of tooth groove (4) is fixed to run through and is connected with first transfer dish (7) is provided with one side of tooth groove (4), and is fixed to run through and is connected between first transfer dish (7) and first transfer pole (3).
7. The river course remediation device of claim 6, wherein: the novel rotary table is characterized in that a driving belt (8) is movably wound on the peripheral side outer wall of the first rotary table (7), a second rotary table (9) is movably wound on the other end of the driving belt (8), and a second driving rod (10) is fixedly and penetratingly connected to the middle part of one side of the second rotary table (9).
8. The river course remediation device of claim 7, wherein: one side of the second transmission rod (10) and one side of the first transmission rod (3) are fixedly connected with a transmission disc (11), and the peripheral side of the transmission disc (11) is fixedly connected with a paddle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060516.2U CN220618655U (en) | 2023-08-02 | 2023-08-02 | River course treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060516.2U CN220618655U (en) | 2023-08-02 | 2023-08-02 | River course treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618655U true CN220618655U (en) | 2024-03-19 |
Family
ID=90226809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322060516.2U Active CN220618655U (en) | 2023-08-02 | 2023-08-02 | River course treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618655U (en) |
-
2023
- 2023-08-02 CN CN202322060516.2U patent/CN220618655U/en active Active
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