CN220939309U - Sewage treatment device for cattle cultivation - Google Patents
Sewage treatment device for cattle cultivation Download PDFInfo
- Publication number
- CN220939309U CN220939309U CN202322070919.5U CN202322070919U CN220939309U CN 220939309 U CN220939309 U CN 220939309U CN 202322070919 U CN202322070919 U CN 202322070919U CN 220939309 U CN220939309 U CN 220939309U
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- CN
- China
- Prior art keywords
- knockout drum
- fixedly connected
- separation tank
- fixed
- clamp plate
- 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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- 239000010865 sewage Substances 0.000 title claims abstract description 51
- 241000283690 Bos taurus Species 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 72
- 239000007787 solid Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 238000009313 farming Methods 0.000 claims 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009395 breeding Methods 0.000 description 9
- 230000001488 breeding effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a sewage treatment device for cattle cultivation, which comprises a left separation tank, wherein a right separation tank is arranged on one side of the left separation tank, separation mechanisms are arranged in the left separation tank and the right separation tank, and each separation mechanism comprises a fixed pressing plate fixedly connected with the inner surfaces of the left separation tank and the right separation tank. The device drives a pivot and No. two pivots through biax motor and rotates, then drives two turntables and rotates, then drives two dead levers and rotates, then drives two movable clamp plates through two connecting rods and reverse the removal simultaneously for movable clamp plate and fixed clamp plate can extrude the solid that filters out, extrudes the moisture in the solid, when making left knockout drum extrude the solid, right knockout drum filters sewage, when left knockout drum filters sewage, right knockout drum extrudes the solid, makes the device can uninterruptedly filter the separation to sewage, has improved the work efficiency of the device.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device for cattle cultivation.
Background
Cultivation refers to the cultivation and propagation of animals and plants. The breeding includes livestock breeding, poultry breeding, aquaculture, special breeding and other types, along with the development of society, the living standard of people is improved, the demand for beef is increased, the beef is gradually withdrawn from home breeding, the current cattle breeding is mainly a large-scale and specialized breeding farm, a large amount of sewage is usually generated when cattle are bred in a breeding house, and the sewage is mixed with garbage such as feed, animal manure and the like, and cannot be directly discharged, so that the sewage is required to be filtered;
The existing solid-liquid separation device for treating the cattle breeding sewage has poor solid-liquid separation effect, needs multiple separation, has low separation speed, affects the working efficiency, and is easy to splash out and difficult to clean when the sewage is discharged into the solid-liquid separation device;
The prior patent (publication number: CN 211635481U) discloses a solid-liquid separation device for treating cattle cultivation sewage, when the device is used, firstly, operators discharge sewage into the separating tank through a funnel, the sewage conveniently flows into the separating tank in a vortex shape through the inner surface wall of the funnel, the sewage can be prevented from splashing when being discharged into the separating tank, then the sewage in the separating tank is discharged through a discharge hole, then solids in the sewage are screened out by a screen, then the operators start an electric push rod through a power button, then the electric push rod drives a pushing clamping plate to move, the solids are extruded, moisture in the solids can be extruded, a better separating effect is achieved, and then the operators can open a movable door through a handle to clear the solids on the screen.
For above-mentioned problem, current patent has given the solution, but the device when using, when extruding the solid, at first need stop the inside of arranging the sewage funnel into the knockout drum, then just can extrude the solid for the device can't incessantly carry out filtration separation to sewage, has reduced the filtration separation efficiency of the device to sewage, has reduced the work efficiency of the device.
For this purpose, a sewage treatment plant for cattle cultivation is proposed.
Disclosure of Invention
The utility model aims to provide a sewage treatment device for cattle cultivation, which can solve the problem that sewage cannot be filtered and separated uninterruptedly and the working efficiency of the device is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sewage treatment plant for cattle cultivation, includes left knockout drum, one side of left knockout drum is provided with right knockout drum, the inside of left knockout drum and right knockout drum is provided with separating mechanism, separating mechanism includes the fixed clamp plate with left knockout drum and right knockout drum internal surface fixed connection, the filter hole of several evenly distributed that runs through the fixed clamp plate has been seted up to the upper surface of fixed clamp plate, the below of the internal surface fixed clamp plate of left knockout drum and right knockout drum is all fixedly connected with the filter;
The upper side of the fixed pressing plate of the inner surface of the left separating tank and the upper side of the fixed pressing plate of the inner surface of the right separating tank are provided with movable pressing plates, the movable pressing plates are in sliding connection with the inner surfaces of the left separating tank and the right separating tank, a connecting channel is fixedly connected between the fixed pressing plates and the movable pressing plates between the left separating tank and the right separating tank, one side of the connecting channel is fixedly connected with a blanking pipe, and the lower surfaces of the left separating tank and the right separating tank are fixedly connected with a discharging pipe.
Preferably, a rotating mechanism is arranged between the fixed pressing plate and the left separating tank or the right separating tank, the rotating mechanism comprises a mounting ring fixedly connected with the inner surfaces of the left separating tank and the right separating tank, the fixed pressing plate is rotationally connected with the mounting ring, a gear is fixedly connected with the outer circle surface of the fixed pressing plate, a mounting groove is formed in one side, far away from a connecting channel, of the inner portion of the mounting ring, a gear is rotationally connected with the inner portion of the mounting groove, the gear is meshed with the inner portion of the mounting groove, the upper surface of the gear is fixedly connected with a connecting rotating rod, one end of the connecting rotating rod inside the left separating tank sequentially penetrates through the fixed pressing plate, the movable pressing plate and the output end of the motor, and one end of the connecting rotating rod inside the right separating tank sequentially penetrates through the fixed pressing plate, the movable pressing plate and the output end of the motor.
Preferably, the fixed connection of the position of connecting channel top has the mounting panel between the surface of left knockout drum and right knockout drum, the last fixed surface of mounting panel is connected with biax motor, the one end fixedly connected with pivot of biax motor, and the one end of a pivot runs through right knockout drum, the other end fixedly connected with pivot of biax motor, and the one end of No. two pivots runs through left knockout drum, the equal fixedly connected with carousel of one end of a pivot and No. two pivots, surface one side fixedly connected with dead lever of carousel, the outer disc rotation of dead lever is connected with the connecting rod, the one end of connecting rod is connected with the upper surface rotation of movable clamp plate.
Preferably, the inner surface of the blanking pipe is fixedly connected with four guide plates, and the positions of the four guide plates are staggered.
Preferably, the outer side of the upper surface of the movable pressing plate is fixedly connected with a circular baffle, and the outer surface of the circular baffle is in sliding connection with the inner surface of the left separation tank or the right separation tank.
Preferably, the positions of the outer surface fixed pressing plates and the filter plates of the left separation tank and the right separation tank are rotatably connected with switch doors.
Preferably, the lower surfaces of the left separating tank and the right separating tank are fixedly connected with four supporting columns which are uniformly distributed, and the lower surfaces of eight supporting columns are fixedly connected with anti-skid pads.
Preferably, a supporting rod is fixedly connected between the left separating tank and the right separating tank, and four supporting rods are fixedly connected between the supporting columns.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the application, through the separation mechanism, the first rotating shaft and the second rotating shaft are driven to rotate through the double-shaft motor, then the two rotating discs are driven to rotate, then the two fixed rods are driven to rotate, and then the two movable pressing plates are driven to simultaneously and reversely move through the two connecting rods, so that the solid filtered out of sewage can be extruded by the movable pressing plates and the fixed pressing plates, water in the solid is extruded, when the left separation tank extrudes the solid, the sewage is filtered by the right separation tank, when the sewage is filtered by the left separation tank, the solid is extruded by the right separation tank, and the sewage can be filtered and separated uninterruptedly by the device, and the working efficiency of the device is improved;
2. According to the application, through the rotating mechanism, the motor drives the second gear to rotate, then drives the first gear to rotate, and then drives the fixed pressing plate to rotate, so that solids falling on the fixed pressing plate can be uniformly distributed on the fixed pressing plate, the separating mechanism can uniformly extrude the solids, the extruding and filtering effects of the separating mechanism on the solids are improved, and the working efficiency of the device is further improved.
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 description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall structural view of the present utility model;
FIG. 2 is a cross-sectional view of a blanking tube of the present utility model;
FIG. 3 is a cross-sectional view of the overall structure of the present utility model;
fig. 4 is a cross-sectional side view of the overall structure of the present utility model.
Reference numerals illustrate:
1. A left separation tank; 2. a right separation tank; 3. a separation mechanism; 31. a fixed pressing plate; 32. a filter hole; 33. a movable pressing plate; 34. a mounting plate; 35. a biaxial motor; 36. a first rotating shaft; 37. a second rotating shaft; 38. a turntable; 39. a fixed rod; 310. a connecting rod; 4. a rotating mechanism; 41. a mounting ring; 42. a mounting groove; 43. a first gear; 44. a second gear; 45. connecting a rotating rod; 46. a motor; 5. a connection channel; 6. discharging pipes; 7. a deflector; 8. a filter plate; 9. a discharge pipe; 10. a support column; 11. an anti-slip pad; 12. opening and closing a door; 13. a circular baffle.
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.
Referring to fig. 1 to 4, the present utility model provides a technical solution:
The utility model provides a sewage treatment plant for cattle cultivation, includes left knockout drum 1, one side of left knockout drum 1 is provided with right knockout drum 2, the inside of left knockout drum 1 and right knockout drum 2 is provided with separating mechanism 3, separating mechanism 3 includes the fixed clamp plate 31 with left knockout drum 1 and right knockout drum 2 internal surface fixed connection, the upper surface of fixed clamp plate 31 has seted up several evenly distributed's that runs through fixed clamp plate 31 filtration pore 32, the below of left knockout drum 1 and right knockout drum 2 internal surface fixed clamp plate 31 is all fixedly connected with filter 8;
The upper side of the fixed pressing plate 31 of the inner surfaces of the left separating tank 1 and the right separating tank 2 is provided with a movable pressing plate 33, the movable pressing plate 33 is in sliding connection with the inner surfaces of the left separating tank 1 and the right separating tank 2, a connecting channel 5 is fixedly connected between the fixed pressing plate 31 and the movable pressing plate 33 of the left separating tank 1 and the right separating tank 2, one side of the connecting channel 5 is fixedly connected with a blanking pipe 6, and the lower surfaces of the left separating tank 1 and the right separating tank 2 are fixedly connected with a discharge pipe 9.
Specifically, as shown in fig. 3, the mounting plate 34 is fixedly connected to the position above the connecting channel 5 between the outer surfaces of the left separation tank 1 and the right separation tank 2, the biaxial motor 35 is fixedly connected to the upper surface of the mounting plate 34, one end of the biaxial motor 35 is fixedly connected with the first rotating shaft 36, one end of the first rotating shaft 36 penetrates through the right separation tank 2, the other end of the biaxial motor 35 is fixedly connected with the second rotating shaft 37, one end of the second rotating shaft 37 penetrates through the left separation tank 1, one ends of the first rotating shaft 36 and the second rotating shaft 37 are fixedly connected with the turntable 38, one side of the outer surface of the turntable 38 is fixedly connected with the fixing rod 39, the outer circular surface of the fixing rod 39 is rotationally connected with the connecting rod 310, and one end of the connecting rod 310 is rotationally connected with the upper surface of the movable pressing plate 33.
Specifically, as shown in fig. 4, the outer side of the upper surface of the movable pressing plate 33 is fixedly connected with a circular baffle 13, and the outer surface of the circular baffle 13 is slidably connected with the inner surface of the left separation tank 1 or the right separation tank 2.
Firstly, the staff discharges sewage into the left separating tank 1 and the right separating tank 2 through the blanking pipe 6 and the connecting channel 5, then filters the sewage through the filtering holes 32 and the filtering plates 8 on the fixed pressing plate 31, then discharges the sewage through the discharge pipe 9, then starts the double-shaft motor 35 to drive the first rotating shaft 36 and the second rotating shaft 37 to rotate in the same direction, then drives the two rotating discs 38 to rotate in the same direction, then drives the two fixed rods 39 to rotate in the same direction, then drives the two movable pressing plates 33 to move reversely simultaneously through the two connecting rods 310, so that the movable pressing plates 33 and the fixed pressing plates 31 in the left separating tank 1 and the right separating tank 2 can squeeze filtered solids in the sewage in the left separating tank 1 and the right separating tank 2 to squeeze water in the solids, when the left separating tank 1 squeezes the solids, the right separating tank 2 squeezes the solids in the left separating tank 1, the device can filter and separate the sewage in the same direction, the work efficiency of the device is improved, and the impact on the operation of the solid separating tank 3 can be prevented when the ring-shaped sewage 13 is squeezed.
Specifically, as shown in fig. 2, a rotating mechanism 4 is disposed between the fixed pressing plate 31 and the left separation tank 1 or the right separation tank 2, the rotating mechanism 4 includes a mounting ring 41 fixedly connected with the inner surfaces of the left separation tank 1 and the right separation tank 2, and the fixed pressing plate 31 is rotationally connected with the mounting ring 41, an outer circular surface of the fixed pressing plate 31 is fixedly connected with a first gear 43, a mounting groove 42 is formed in one side, away from the connecting channel 5, of the inner portion of the mounting ring 41, a second gear 44 is rotationally connected with the inner portion of the mounting groove 42, the first gear 43 is in meshed connection with the second gear 44, the upper surface of the second gear 44 is fixedly connected with a connecting rotating rod 45, one end of the connecting rotating rod 45 located in the left separation tank 1 sequentially penetrates through the fixed pressing plate 31, the movable pressing plate 33 is fixedly connected with the output end of the motor 46, and one end of the connecting rotating rod 45 located in the right separation tank 2 sequentially penetrates through the fixed pressing plate 31, the movable pressing plate 33 is fixedly connected with the output end of the motor 46.
The starting motor 46 drives the second gear 44 to rotate, then drives the first gear 43 to rotate, then drives the fixed pressing plate 31 to rotate, so that solids falling on the fixed pressing plate 31 can be uniformly distributed on the fixed pressing plate 31, the separating mechanism 3 can uniformly extrude the solids, the extruding and filtering effects of the separating mechanism 3 on the solids are improved, and the working efficiency of the device is further improved.
Specifically, as shown in fig. 2, the inner surface of the blanking pipe 6 is fixedly connected with four guide plates 7, and the positions of the four guide plates 7 are staggered.
By means of the four guide plates 7 which are staggered with each other, the impact force of sewage discharged into the left separation tank 1 and the right separation tank 2 can be reduced, and the impact of sewage on the fixed pressing plate 31 can be reduced.
Specifically, as shown in fig. 2, the positions of the outer surface fixing pressing plates 31 of the left separation tank 1 and the right separation tank 2 and the filter plates 8 are rotatably connected with the switch door 12.
By opening the switch door 12, the staff can clean the solids of the fixed platen 31 and the filter plate 8.
Specifically, as shown in fig. 2, the lower surfaces of the left separation tank 1 and the right separation tank 2 are fixedly connected with four support columns 10 which are uniformly distributed, and the lower surfaces of eight support columns 10 are fixedly connected with anti-skid pads 11.
The support column 10 can facilitate the placement of the device, and the anti-slip pad 11 fixedly connected with the lower surface of the support column 10 can prevent the device from slipping.
Specifically, as shown in fig. 2, a support rod is fixedly connected between the left separation tank 1 and the right separation tank 2, and support rods are fixedly connected between four support columns 10.
The overall stability of the device is improved by the support bars between the left separator tank 1 and the right separator tank 2 and the support bars between the four support columns 10.
Working principle: when the sewage treatment device is used, sewage is discharged into the left separation tank 1 and the right separation tank 2 through the blanking pipe 6 and the connecting channel 5, the motor 46 is started to drive the second gear 44 to rotate, the second gear 44 is driven to rotate, the first gear 43 is driven to rotate, the fixed pressing plate 31 is driven to rotate, solids falling on the fixed pressing plate 31 can be uniformly distributed on the fixed pressing plate 31, sewage is filtered through the filtering holes 32 and the filtering plates 8 on the fixed pressing plate 31, then discharged through the discharge pipe 9, the double-shaft motor 35 is started to drive the first rotating shaft 36 and the second rotating shaft 37 to rotate in the same direction, the two turntables 38 are driven to rotate in the same direction, the two fixed rods 39 are driven to rotate in the same direction, the two movable pressing plates 33 are driven to move in the opposite directions simultaneously through the two connecting rods 310, and the movable pressing plates 33 and the fixed pressing plates 31 in the left separation tank 1 and the right separation tank 2 can reciprocally extrude filtered solids in the sewage in the left separation tank 1 and the right separation tank 2, and water in the solids is extruded.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The utility model provides a sewage treatment plant for cattle cultivation, includes left knockout drum (1), one side of left knockout drum (1) is provided with right knockout drum (2), its characterized in that: the separation device comprises a left separation tank (1) and a right separation tank (2), wherein a separation mechanism (3) is arranged in the left separation tank (1) and the right separation tank (2), the separation mechanism (3) comprises a fixed pressing plate (31) fixedly connected with the inner surfaces of the left separation tank (1) and the right separation tank (2), a plurality of uniformly distributed filtering holes (32) penetrating through the fixed pressing plate (31) are formed in the upper surface of the fixed pressing plate (31), and filter plates (8) are fixedly connected below the fixed pressing plates (31) on the inner surfaces of the left separation tank (1) and the right separation tank (2);
The top of the interior surface fixed clamp plate (31) of left knockout drum (1) and right knockout drum (2) is provided with movable clamp plate (33), and movable clamp plate (33) and the interior surface sliding connection of left knockout drum (1) and right knockout drum (2), the fixed clamp plate (31) and the position fixedly connected with connecting channel (5) between movable clamp plate (33) between left knockout drum (1) and right knockout drum (2), one side fixedly connected with unloading pipe (6) of connecting channel (5), the lower surface fixedly connected with discharge pipe (9) of left knockout drum (1) and right knockout drum (2).
2. A sewage treatment apparatus for cattle farming according to claim 1, wherein: fixed clamp plate (31) and left knockout drum (1) or right knockout drum (2) between be provided with slewing mechanism (4), slewing mechanism (4) include with left knockout drum (1) and right knockout drum (2) internal surface fixed connection's collar (41), and fixed clamp plate (31) and collar (41) rotate and connect, the outer disc fixedly connected with gear (43) of fixed clamp plate (31), mounting groove (42) have been seted up to one side of connecting channel (5) in the inside of collar (41), the inside rotation of mounting groove (42) is connected with gear No. two (44), and gear No. one (43) and gear No. two (44) meshing connection, the upper surface fixedly connected with connecting rod (45) of gear No. two (44) are located the one end of connecting rod (45) inside left knockout drum (1) runs through fixed clamp plate (31), movable clamp plate (33) and motor (46)'s output fixed connection in proper order, be located motor (45) inside the right knockout drum (2) one end fixed clamp plate (46) and fixed connection in proper order.
3. A sewage treatment apparatus for cattle farming according to claim 1, wherein: the utility model discloses a separation device for separating a liquid from a solid, including left knockout drum (1), right knockout drum (2), connecting channel (5) top's between the surface of left knockout drum (1) and right knockout drum (2) position fixedly connected with mounting panel (34), the last fixed surface of mounting panel (34) is connected with biax motor (35), the one end fixedly connected with pivot (36) of biax motor (35), and the one end of pivot (36) runs through right knockout drum (2), the other end fixedly connected with pivot (37) of biax motor (35), and the one end of pivot (37) runs through left knockout drum (1), the one end of pivot (36) and pivot (37) is all fixedly connected with carousel (38), surface one side fixedly connected with dead lever (39) of carousel (38), the outer disc rotation of dead lever (39) is connected with connecting rod (310), the one end of connecting rod (310) is connected with the upper surface rotation of movable platen (33).
4. A sewage treatment apparatus for cattle farming according to claim 1, wherein: the inner surface of the blanking pipe (6) is fixedly connected with four guide plates (7), and the positions of the four guide plates (7) are staggered.
5. A sewage treatment apparatus for cattle farming according to claim 1, wherein: the outer side of the upper surface of the movable pressing plate (33) is fixedly connected with a circular baffle plate (13), and the outer surface of the circular baffle plate (13) is in sliding connection with the inner surface of the left separation tank (1) or the right separation tank (2).
6. A sewage treatment apparatus for cattle farming according to claim 1, wherein: the positions of the pressing plates (31) and the filter plates (8) are fixed on the outer surfaces of the left separating tank (1) and the right separating tank (2) and are rotatably connected with switch doors (12).
7. A sewage treatment apparatus for cattle farming according to claim 1, wherein: the lower surfaces of the left separating tank (1) and the right separating tank (2) are fixedly connected with four supporting columns (10) which are uniformly distributed, and the lower surfaces of eight supporting columns (10) are fixedly connected with anti-skid pads (11).
8. The sewage treatment apparatus for cattle cultivation according to claim 7, wherein: support rods are fixedly connected between the left separation tank (1) and the right separation tank (2), and support rods are fixedly connected between four support columns (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070919.5U CN220939309U (en) | 2023-08-03 | 2023-08-03 | Sewage treatment device for cattle cultivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070919.5U CN220939309U (en) | 2023-08-03 | 2023-08-03 | Sewage treatment device for cattle cultivation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939309U true CN220939309U (en) | 2024-05-14 |
Family
ID=91006428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322070919.5U Active CN220939309U (en) | 2023-08-03 | 2023-08-03 | Sewage treatment device for cattle cultivation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939309U (en) |
-
2023
- 2023-08-03 CN CN202322070919.5U patent/CN220939309U/en active Active
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