CN219784764U - Reaction kettle for plasticizer processing - Google Patents
Reaction kettle for plasticizer processing Download PDFInfo
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- CN219784764U CN219784764U CN202321352929.1U CN202321352929U CN219784764U CN 219784764 U CN219784764 U CN 219784764U CN 202321352929 U CN202321352929 U CN 202321352929U CN 219784764 U CN219784764 U CN 219784764U
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- fixedly connected
- gear
- connecting rod
- worm wheel
- worm
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- 239000004014 plasticizer Substances 0.000 title claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 15
- 239000002994 raw material Substances 0.000 abstract description 21
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940011871 estrogen Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to the technical field of reaction kettles and discloses a reaction kettle for processing a plasticizer, which comprises a first gear, wherein a connecting cylinder is fixedly connected below the first gear, a cover plate is fixedly connected below the connecting cylinder, a movable groove is formed in the middle of the cover plate, a first worm wheel is movably sleeved in the movable groove, a first worm is connected with one side of the first worm wheel in a toothed manner, a first motor is movably connected with one side of the first worm wheel, the cover plate is fixedly connected below the first motor, two fixing holes are formed in one side of the first worm wheel at equal intervals, stirring rods are movably arranged in the two fixing holes, and the upper ends of the two stirring rods are fixedly connected with a second gear. The reaction kettle provided by the utility model is convenient for fully mixing the plasticizer raw materials, improves the processing efficiency, facilitates the re-stirring and mixing of the plasticizer raw materials deposited at the bottom of the reaction kettle body, and facilitates the cleaning and maintenance of the stirring plate.
Description
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for plasticizer processing.
Background
Plasticizers are polymeric adjuvants, also phthalate esters in environmental estrogens, of which the most common type is DEHP (commercial name DOP). The chemical name of DEHP is di (2-ethylhexyl) phthalate, which is colorless and odorless liquid and has wide industrial application.
The existing reaction kettle for plasticizer processing has certain defects when in use, firstly, the existing reaction kettle is inconvenient to fully mix plasticizer raw materials when in use, secondly, the existing reaction kettle is easy to deposit plasticizer raw materials at the bottom, the plasticizer raw materials deposited at the bottom of the reaction kettle body are inconvenient to stir and mix again, and finally, the existing reaction kettle is inconvenient to clean and maintain a stirring plate, so that the reaction kettle for plasticizer processing is provided.
Disclosure of Invention
The utility model mainly aims to provide a reaction kettle for plasticizer processing, which solves the problems that the existing reaction kettle is inconvenient to fully mix plasticizer raw materials when in use, the existing reaction kettle is easy to deposit plasticizer raw materials at the bottom, the plasticizer raw materials deposited at the bottom of a reaction kettle body are inconvenient to stir and mix again, and the existing reaction kettle is inconvenient to clean and maintain a stirring plate.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a reation kettle is used in plasticizer processing, includes first gear, the below fixedly connected with connecting cylinder of first gear, the below fixedly connected with apron of connecting cylinder, the movable groove has been seted up in the centre of apron, the activity has cup jointed first worm wheel in the movable groove, one side tooth of first worm wheel has first worm, one side swing joint of first worm has first motor, the below fixedly connected with apron of first motor, two fixed orificess have been seted up to one side equidistance of first worm wheel, two the equal activity in the interior of fixed orifices has the puddler, two the equal fixedly connected with second gear of upper end of puddler, and two equal interval fixedly connected with a plurality of stirring boards on the downside circumference surface of second gear, the downside butt of apron has the reation kettle body, and a plurality of the stirring board is all movable in the reation kettle body.
Further, the below fixedly connected with bin outlet of the reation kettle body, two the equal fixedly connected with stopper of lower extreme of puddler, two the outside of stopper has all been cup jointed the installation sleeve, two the below fixedly connected with mixed board of installation sleeve.
Furthermore, the two sides of the connecting cylinder are fixedly connected with connecting plates, and the outer sides of the two connecting plates are fixedly connected with toothed plates.
Further, one the outside tooth of pinion rack connects has the third gear, one side fixedly connected with head rod of third gear, the one end fixedly connected with second worm wheel of head rod, the downside tooth of second worm wheel has connected with the second worm, one side fixedly connected with second connecting rod of second worm, one side swing joint of second connecting rod has the second motor, the below fixedly connected with backup pad of second motor.
Further, another the outside tooth of pinion rack connects has the sixth gear, one side fixedly connected with third connecting rod of sixth gear, one side fixedly connected with third worm wheel of third connecting rod, the upside tooth of third worm wheel connects the third worm, one side fixedly connected with fourth connecting rod of third worm, one side fixedly connected with fifth gear of fourth connecting rod, the tooth of fifth gear connects the fourth gear, the middle fixed cover of fourth gear is followed the second connecting rod.
Further, the circumference surface of head rod is gone up the activity and is cup jointed first installation piece, the circumference surface of second connecting rod is gone up the activity and is cup jointed the second installation piece, the circumference surface of third connecting rod is gone up the activity and is cup jointed the third installation piece, the circumference surface of fourth connecting rod is gone up the activity and is cup jointed the fourth installation piece, the below fixed connection of first installation piece, second installation piece, third installation piece and fourth installation piece is the backup pad, the below equidistance fixedly connected with three first support column of backup pad, the below fixedly connected with two second support columns of the reation kettle body, three the below fixedly connected with base of first support column and two second support columns.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the stirring rod, the plasticizer raw materials are conveniently and fully mixed, the first motor is started, the first motor drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the stirring rod sleeved in the first worm wheel to rotate around the first worm wheel, meanwhile, the stirring rod drives the second gear to rotate around the first worm wheel, because one side tooth of the second gear is connected with the first gear, the second gear simultaneously rotates around the second gear, the second gear drives the stirring rod to rotate around the second gear, the stirring rod drives the stirring plate to rotate around the first worm wheel, and meanwhile, the stirring plate is driven to rotate around the second gear, so that turbulence is formed, the stirring effect is enhanced, the raw materials in the reaction kettle can be well mixed, the plasticizer raw materials are conveniently and fully mixed through the arrangement, and the processing efficiency is improved.
2. According to the utility model, through the arrangement of the mixing plate, the plasticizer raw materials deposited at the bottom of the reaction kettle body are conveniently stirred and mixed again, the first motor is started, the first motor drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the stirring rod sleeved in the first worm wheel to rotate around the first worm wheel, the stirring rod drives the limiting block to rotate around the first worm wheel, the limiting block drives the mixing plate to rotate around the first worm wheel through the mounting sleeve, the mixing plate is used for stirring and mixing the plasticizer raw materials deposited at the bottom of the reaction kettle body, and through the arrangement, the plasticizer raw materials deposited at the bottom of the reaction kettle body are conveniently stirred and mixed again.
3. According to the utility model, through the arrangement of the toothed plate, the stirring plate is conveniently cleaned and maintained, the second motor is started, the second motor drives the second connecting rod to rotate, the second connecting rod drives the second worm to rotate, the second worm drives the second worm wheel to rotate, the second worm wheel drives the third gear to rotate through the first connecting rod, the third gear drives the toothed plate to move upwards, the second connecting rod simultaneously drives the fourth gear to rotate, the fourth gear drives the fifth gear to rotate, the fifth gear drives the third worm to rotate through the fourth connecting rod, the third worm wheel drives the sixth gear through the third connecting rod, the toothed plate drives the connecting cylinder to move upwards through the connecting plate, the connecting cylinder drives the first worm wheel to move upwards through the cover plate, and the first worm wheel drives the stirring plate to move upwards through the stirring rod until the stirring plate can be cleaned and maintained.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view showing the overall structure of a reaction vessel for processing a plasticizer according to an angle of the present utility model.
FIG. 2 is a schematic view showing the overall structure of a reaction vessel for processing a plasticizer according to another aspect of the present utility model.
Fig. 3 is an enlarged schematic view of a part of the structure of a stirring rod of a reaction kettle for processing a plasticizer according to the present utility model.
Fig. 4 is an enlarged schematic view of a part of the structure of a reaction vessel body of a reaction vessel for plasticizer processing according to the present utility model.
Fig. 5 is an enlarged schematic view showing a part of the structure of a first worm wheel of a reaction vessel for plasticizer processing according to the present utility model.
FIG. 6 is an enlarged schematic view showing a part of the structure of a mixing plate of a reaction vessel for plasticizer processing according to the present utility model.
In the figure: 1. a first gear; 2. a second gear; 3. a first worm wheel; 4. a first worm; 5. a first motor; 6. a stirring rod; 7. a mixing plate; 8. a reaction kettle body; 9. a limiting block; 11. a toothed plate; 12. a third gear; 13. a second worm wheel; 14. a second worm; 15. a fourth gear; 16. a second motor; 17. a fifth gear; 18. a third worm; 19. a third worm wheel; 20. a sixth gear; 21. a discharge port; 22. and (5) a base.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3 and 5, the reaction kettle for processing the plasticizer comprises a first gear 1, a connecting cylinder is fixedly connected below the first gear 1, a cover plate is fixedly connected below the connecting cylinder, a movable groove is formed in the middle of the cover plate, a first worm wheel 3 is movably sleeved in the movable groove, one side of the first worm wheel 3 is toothed with a first worm 4, one side of the first worm 4 is movably connected with a first motor 5, the lower side of the first motor 5 is fixedly connected with the cover plate, two fixed holes are formed in one side of the first worm wheel 3 at equal intervals, stirring rods 6 are movably arranged in the two fixed holes, the upper ends of the two stirring rods 6 are fixedly connected with a second gear 2, the outer sides of the two second gears 2 are toothed with the first gear 1, a plurality of stirring plates are fixedly connected on the lower circumferential outer surface of the two second gears 2 at equal intervals, the lower side of the cover plate is abutted with a reaction kettle body 8, and a plurality of stirring plates are all movable in the reaction kettle body 8, by adopting the technical scheme, the first motor 5 is started, the first motor 5 drives the first worm 4 to rotate, the first worm 4 drives the first worm wheel 3 to rotate, the first worm wheel 3 drives the stirring rod 6 sleeved in the first worm wheel 3 to rotate by taking the first worm wheel 3 as the axis, meanwhile, the stirring rod 6 drives the second gear 2 to rotate by taking the first worm wheel 3 as the axis, because one side tooth of the second gear 2 is connected with the first gear 1, the second gear 2 simultaneously rotates by taking the second gear 2 as the axis, the second gear 2 drives the stirring rod 6 to rotate by taking the second gear 2 as the axis, the stirring plate is driven by taking the second gear 2 as the axis to rotate while the first worm wheel 3 is driven by the stirring plate to rotate, turbulence is formed, the stirring effect is enhanced, and the raw materials in the reaction kettle body 8 can be well mixed, through such setting, made things convenient for carrying out intensive mixing to the plasticizer raw materials, improved machining efficiency.
As shown in fig. 1-3 and fig. 5-6, a discharge port 21 is fixedly connected to the lower part of a reaction kettle body 8, limiting blocks 9 are fixedly connected to the lower ends of two stirring rods 6, mounting sleeves are sleeved on the outer sides of the two limiting blocks 9, a mixing plate 7 is fixedly connected to the lower parts of the two mounting sleeves, by adopting the technical scheme, a first motor 5 is started, the first motor 5 drives a first worm 4 to rotate, the first worm 4 drives a first worm wheel 3 to rotate, the first worm wheel 3 drives a stirring rod 6 sleeved in the first worm wheel 3 to rotate with the first worm wheel 3 as an axis, the limiting blocks 9 drive the first worm wheel 3 to rotate with the axis through the mounting sleeves, the mixing plate 7 drives the mixing plate 7 to rotate with the first worm wheel 3 as the axis, and through the arrangement, the plasticizer raw materials deposited at the bottom of the reaction kettle body 8 are convenient to stir and mix again.
As shown in fig. 1-2, the two sides of the connecting cylinder are fixedly connected with connecting plates, the outer sides of the two connecting plates are fixedly connected with toothed plates 11, and by adopting the technical scheme, the toothed plates 11 can drive the connecting cylinder to move upwards through the connecting plates.
As shown in fig. 1-4, a third gear 12 is connected to the outer side of one toothed plate 11, a first connecting rod is fixedly connected to one side of the third gear 12, a second worm wheel 13 is fixedly connected to one end of the first connecting rod, a second worm 14 is connected to the lower side of the second worm wheel 13 in a toothed manner, a second connecting rod is fixedly connected to one side of the second worm 14, a second motor 16 is movably connected to one side of the second connecting rod, a supporting plate is fixedly connected to the lower side of the second motor 16, the second motor 16 is started, the second motor 16 drives the second connecting rod to rotate, the second connecting rod drives the second worm 14 to rotate, the second worm wheel 13 is driven to rotate by the second worm wheel 13, the third gear 12 is driven by the first connecting rod to rotate, and the toothed plate 11 is driven by the third gear 12 to move upwards.
As shown in fig. 1-3, the outside tooth of another pinion rack 11 connects sixth gear 20, one side fixedly connected with third connecting rod of sixth gear 20, one side fixedly connected with third worm wheel 19 of third connecting rod, the upside tooth of third worm wheel 19 connects third worm 18, one side fixedly connected with fourth connecting rod of third worm 18, one side fixedly connected with fifth gear 17 of fourth connecting rod, the tooth of fifth gear 17 connects fourth gear 15, the middle fixed cover of fourth gear 15 is followed by the second connecting rod, through adopting above-mentioned technical scheme, start second motor 16, second motor 16 drives the second connecting rod and rotates, the second connecting rod drives fourth gear 15 rotation simultaneously, fourth gear 15 drives fifth gear 17 rotation, fifth gear 17 drives third worm 18 rotation through the fourth connecting rod, third worm wheel 19 drives sixth gear 20 through the third connecting rod, sixth gear 20 drives pinion rack 11 and upwards moves, pinion rack 11 drives the connecting cylinder through the connecting plate and upwards moves, connecting cylinder drives the worm wheel and drives the first worm wheel 3 through the upper cover plate and upwards moves through the first worm wheel 3, the stirring plate is high to the stirring plate is kept clean up through the stirring plate, the stirring plate is convenient up to be washed, the stirring plate is kept up to the high, the stirring level is washed and is convenient to be washed.
As shown in fig. 1-3, the first installation block is movably sleeved on the circumferential outer surface of the first connecting rod, the second installation block is movably sleeved on the circumferential outer surface of the second connecting rod, the third installation block is movably sleeved on the circumferential outer surface of the third connecting rod, the fourth installation block is movably sleeved on the circumferential outer surface of the fourth connecting rod, the supporting plates are fixedly connected below the first installation block, the second installation block, the third installation block and the fourth installation block, three first supporting columns are fixedly connected below the supporting plates at equal intervals, two second supporting columns are fixedly connected below the reaction kettle body 8, the base 22 is fixedly connected below the three first supporting columns and the two second supporting columns, and by adopting the technical scheme, the reaction kettle body 8 is fixedly supported by the second supporting columns during processing, so that a stable environment is provided for processing work of the reaction kettle body 8.
When the thickener processing device is used, the base 22 is placed on the horizontal ground, the second motor 16 is started, the second motor 16 drives the second connecting rod to rotate, the second connecting rod drives the second worm 14 to rotate, the second worm 14 drives the second worm wheel 13 to rotate, the second worm wheel 13 drives the third gear 12 to rotate through the first connecting rod, the third gear 12 drives the toothed plate 11 to move upwards, the second connecting rod simultaneously drives the fourth gear 15 to rotate, the fourth gear 15 drives the fifth gear 17 to rotate, the fifth gear 17 drives the third worm 18 to rotate through the fourth connecting rod, the third worm 18 drives the third worm wheel 19 to rotate, the third worm wheel 19 drives the sixth gear 20 through the third connecting rod, the toothed plate 11 drives the connecting cylinder to move upwards through the connecting plate, the connecting cylinder drives the first worm wheel 3 to move upwards through the cover plate, the first worm wheel 3 drives the stirring plate to move upwards through the stirring rod 6, thickener raw materials can be added into the reaction kettle body 8 at the moment, meanwhile, cleaning and maintenance can be carried out on the stirring plate according to requirements, and after the thickener raw materials are added into the motor, the second motor 16 drives the sixth worm wheel 20 to drive the toothed plate to move upwards, and the connecting cylinder drives the first worm wheel 3 to move upwards through the cover plate upwards.
When the thickener is processed, the first motor 5 is started, the first motor 5 drives the first worm 4 to rotate, the first worm 4 drives the first worm wheel 3 to rotate, the first worm wheel 3 drives the stirring rod 6 sleeved in the first worm wheel 3 to rotate around the first worm wheel 3, the stirring rod 6 drives the second gear 2 to rotate around the first worm wheel 3, because one side tooth of the second gear 2 is connected with the first gear 1, the second gear 2 simultaneously rotates around the second gear 2, the second gear 2 drives the stirring rod 6 to rotate around the second gear 2, the stirring rod 6 drives the stirring plate to rotate around the first worm wheel 3 and simultaneously drives the stirring plate to rotate around the second gear 2 to form turbulent flow so as to drive the thickener raw material to mix and react, the stirring rod 6 drives the limiting block 9 to rotate around the first worm wheel 3, the limiting block 9 drives the mixing plate 7 to rotate around the first worm wheel 3 through the mounting sleeve, the mixing plate 7 realizes stirring and mixing of the plasticizer raw material deposited at the bottom of the reaction kettle 8, and after the processing of the thickener in the reaction kettle 8 is completed, the finished product can be discharged from the worm wheel 21.
The utility model provides a reaction kettle for processing a plasticizer, which solves the problems that the prior reaction kettle is inconvenient to adjust the air inflow and meet the use requirements under different conditions, dust and other impurities are easy to be accumulated on a filter plate at an air inlet position after the prior reaction kettle is used for a long time, the use of the reaction kettle is affected, and the prior reaction kettle is inconvenient to discharge the dust and impurities out of the reaction kettle after the dust and impurities on the filter plate are cleaned, and is more practical.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a reation kettle is used in plasticizer processing which characterized in that: including first gear (1), the below fixedly connected with connecting cylinder of first gear (1), the below fixedly connected with apron of connecting cylinder, the active slot has been seted up in the centre of apron, the activity has cup jointed first worm wheel (3) in the active slot, one side tooth of first worm wheel (3) has connect first worm (4), one side swing joint of first worm (4) has first motor (5), the below fixedly connected with apron of first motor (5), two fixed orifices have been seted up to one side equidistance of first worm wheel (3), two equal activity in the fixed orifices has puddler (6), two equal fixedly connected with second gear (2) in the upper end of puddler (6), and two equal a plurality of stirring boards of equal distance fixedly connected with on the downside circumference surface of second gear (2), the downside butt of apron has a plurality of stirring boards (8), and a plurality of stirred tank bodies (8) are in the equal activity cauldron.
2. The reaction kettle for processing plasticizer according to claim 1, wherein: the reactor comprises a reactor body (8), a discharge port (21) fixedly connected to the lower end of the reactor body, limiting blocks (9) fixedly connected to the lower ends of stirring rods (6), mounting sleeves sleeved on the outer sides of the limiting blocks (9), and mixing plates (7) fixedly connected to the lower sides of the mounting sleeves.
3. The reaction kettle for processing plasticizer according to claim 1, wherein: the two sides of the connecting cylinder are fixedly connected with connecting plates, and the outer sides of the two connecting plates are fixedly connected with toothed plates (11).
4. A reaction kettle for processing plasticizer according to claim 3, characterized in that: one the outside tooth of pinion rack (11) connects has third gear (12), one side fixedly connected with head rod of third gear (12), the one end fixedly connected with second worm wheel (13) of head rod, the downside tooth of second worm wheel (13) connects second worm (14), one side fixedly connected with second connecting rod of second worm (14), one side swing joint of second connecting rod has second motor (16), the below fixedly connected with backup pad of second motor (16).
5. The reaction kettle for processing plasticizer according to claim 4, wherein: the other the outside tooth of pinion rack (11) connects has sixth gear (20), one side fixedly connected with third connecting rod of sixth gear (20), one side fixedly connected with third worm wheel (19) of third connecting rod, the upside tooth of third worm wheel (19) connects third worm (18), one side fixedly connected with fourth connecting rod of third worm (18), one side fixedly connected with fifth gear (17) of fourth connecting rod, the tooth of fifth gear (17) connects fourth gear (15), the middle fixed cover of fourth gear (15) is followed the second connecting rod.
6. The reaction kettle for processing plasticizer according to claim 5, wherein: the utility model discloses a reactor, including first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, first installation piece has been cup jointed in the activity on the circumference surface of first connecting rod, the second installation piece has been cup jointed in the activity on the circumference surface of second connecting rod, the third installation piece has been cup jointed in the activity on the circumference surface of fourth connecting rod, the below fixedly connected with backup pad of first installation piece, second installation piece, third installation piece and fourth installation piece, the below equidistance fixedly connected with of backup pad three first support column, the below fixedly connected with two second support columns of reactor body (8), three the below fixedly connected with base (22) of first support column and two second support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352929.1U CN219784764U (en) | 2023-05-31 | 2023-05-31 | Reaction kettle for plasticizer processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352929.1U CN219784764U (en) | 2023-05-31 | 2023-05-31 | Reaction kettle for plasticizer processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784764U true CN219784764U (en) | 2023-10-03 |
Family
ID=88185902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352929.1U Active CN219784764U (en) | 2023-05-31 | 2023-05-31 | Reaction kettle for plasticizer processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784764U (en) |
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2023
- 2023-05-31 CN CN202321352929.1U patent/CN219784764U/en active Active
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