CN219486307U - Shaping cooling device is used in plastic tubing production - Google Patents
Shaping cooling device is used in plastic tubing production Download PDFInfo
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- CN219486307U CN219486307U CN202223291724.5U CN202223291724U CN219486307U CN 219486307 U CN219486307 U CN 219486307U CN 202223291724 U CN202223291724 U CN 202223291724U CN 219486307 U CN219486307 U CN 219486307U
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- cooling
- water storage
- storage bin
- fixedly connected
- sleeve
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a molding cooling device for plastic pipe production, which comprises the following components: the water storage bin is internally provided with a sleeve for accommodating the plastic pipe to be cooled; the water storage bin is filled with cooling liquid which is not passed through the sleeve; the periphery of the sleeve is provided with a rotary cooling component so as to drive the cooling liquid outside the sleeve during operation; the driving mechanism is positioned at the outer side of the water storage bin and is in transmission connection with the rotary cooling component so as to drive the rotary cooling component to operate; the cooling water tank is positioned at the lower side of the water storage bin and is communicated with the water storage bin so as to temporarily store the heated cooling liquid in the water storage bin; the heat dissipation assembly is positioned in the cooling water tank and immersed in the cooling liquid; the heat dissipation component is filled with low-temperature or normal-temperature fluid; the ventilation mechanism penetrates through the cooling water tank and is communicated with external ventilation equipment so as to introduce low-temperature or normal-temperature gas into the cooling water tank; the utility model has various cooling modes, is convenient to discharge, improves the overall production efficiency, is uniform in cooling, and can cool the subsequent plastic pipe after the recovered cooling liquid is reused.
Description
Technical Field
The utility model relates to the technical field of plastic pipe production, in particular to a molding cooling device for plastic pipe production.
Background
In the process of producing the plastic pipe, raw materials are stirred, mixed, heated and melted into a soft shape, and conveyed to a cutting machine for cutting into a required length under the traction of a traction machine after being shaped and cooled by a shaping and cooling machine, and before the traction machine is used for traction of the plastic pipe, the plastic pipe is required to be completely cooled and solidified, so that the plastic pipe is prevented from being deformed and being unfavorable for the cutting of the cutting machine in the traction process of the traction machine.
The existing cooling device has a single treatment mode on the plastic pipe, the uniformity of integral cooling of the plastic pipe cannot be guaranteed, the production quality is affected, the formed pipe is not easy to take down, the working efficiency can be affected, and the forming time of the cooling liquid is often prolonged after the cooling liquid is recycled.
Disclosure of Invention
The utility model aims to provide a molding cooling device for plastic pipe production, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a molding cooling device for plastic pipe production, comprising:
the water storage bin is internally provided with a sleeve for accommodating the plastic pipe to be cooled; the water storage bin is filled with cooling liquid which is not passed through the sleeve; the periphery of the sleeve is provided with a rotary cooling component so as to drive the cooling liquid outside the sleeve during operation;
the driving mechanism is positioned at the outer side of the water storage bin and is in transmission connection with the rotary cooling component so as to drive the rotary cooling component to operate;
the cooling water tank is positioned at the lower side of the water storage bin and is communicated with the water storage bin so as to temporarily store the heated cooling liquid in the water storage bin;
the heat dissipation assembly is positioned in the cooling water tank and immersed in the cooling liquid; the heat dissipation component is filled with low-temperature or normal-temperature fluid;
and the ventilation mechanism penetrates through the cooling water tank and is communicated with external ventilation equipment so as to introduce low-temperature or normal-temperature gas into the cooling water tank.
Preferably, the device also comprises an air cooling mechanism; the air cooling mechanism penetrates through the water storage bin and is communicated with external ventilation equipment so as to introduce low-temperature or normal-temperature gas into the water storage bin.
Preferably, the inside level of water storage storehouse is run through and is installed the sleeve, sleeve and water storage storehouse department match the cover and are equipped with sealed bearing, sleeve one end is run through water storage storehouse one side and is seted up into the mouth of pipe, the sleeve other end is run through water storage storehouse opposite side and is installed sealed lid, sealed cover is last to be installed the level through and is installed the regulation pole, regulation pole one end is fixedly connected with piston push pedal in the sleeve, the sleeve is outer to be movably cup jointed with the metal net pipe, metal net pipe inner wall is contacted with the sleeve surface, metal net pipe outer wall fixedly connected with helical blade, sleeve is close to one side fixedly connected with driven bevel gear of mouth of pipe, metal net pipe one end fixedly connected with driven bevel gear, actuating mechanism includes the connecting plate, the connecting plate is fixed in water storage storehouse one side top, connecting plate bottom fixedly connected with driving motor, driving motor output shaft fixedly connected with transfer line, transfer line bottom fixedly connected with driven bevel gear, transfer pump one end fixedly connected with water pump cooling pump, water pump cooling pump bottom fixedly connected with water storage storehouse one side, water pump cooling pump fixedly connected with water pump bottom fixedly connected with water pump cooling pump, water storage storehouse one side fixedly connected with water pump cooling pump, water pump cooling pump fixedly connected with water pump bottom fixedly connected with water storage storehouse one side of the driven bevel gear, water pump fixedly connected with water pump cooling pump, the bottom of the conveying pipeline is horizontally and fixedly connected with a shunt pipe above the inside of the water storage bin, the bottom of the shunt pipe is fixedly connected with a plurality of spray heads, the top of one side of the cooling water tank is fixedly connected with a return pipe communicated with the water storage bin, the heat dissipation component is positioned inside the cooling water tank, the cooling assembly comprises a heat conducting net fixed inside the cooling water tank, a plurality of inverted U-shaped copper pipes are installed on the heat conducting net in a penetrating mode, the ventilation mechanism comprises a support frame fixed at the bottom of the cooling water tank, two ends of the bottom of the inverted U-shaped copper pipes penetrate through the bottom of the cooling water tank, and cooling fans are fixedly communicated with two sides of the support frame.
Preferably, the air cooling mechanism comprises a cover arranged at the top of the water storage bin, a plurality of blowers are fixedly connected to the top of the inner wall of the cover, and a plurality of through holes are fixedly connected to the top of the cover.
Preferably, openings are formed in the tops of two sides of the support frame, and a plurality of ventilation holes are vertically formed in the bottom of the support frame.
Preferably, a jack matched with the inverted U-shaped copper pipe is formed in the bottom of the cooling water tank, and a sealing ring attached to the inverted U-shaped copper pipe is embedded in the jack.
Preferably, the number of the spray heads is seven, and the seven spray heads are uniformly distributed on the shunt tubes.
Preferably, a plurality of the inverted U-shaped copper pipes are uniformly inserted and distributed on the heat conducting net.
Preferably, sealing washers are arranged at the joints of the return pipe, the water storage bin and the cooling water tank.
Preferably, limiting plates are fixedly connected to two sides of the inner wall of the cover, and the two limiting plates are respectively attached to two sides of the inner wall of the water storage bin.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the sleeve is arranged to store the plastic pipe, so that the cooling liquid in the water storage bin can be cooled by cooling the plastic pipe by the sleeve, the cooling liquid can be sprayed on the sleeve by using a plurality of spray heads, or the cooling liquid can be cooled by using a blower in the air cooling mechanism, and after cooling is finished, the piston push plate can be pushed to push out the plastic pipe, so that the discharging is convenient, and the overall production efficiency is improved;
2. the utility model also provides a driving mechanism, so that the driving motor drives the transmission rod to rotate, the sleeve drives the plastic pipe to rotate, the spiral blades on the metal net pipe stir the cooling liquid, the diffusion and the cooling of the heat flow of the water storage bin are accelerated, and the uniformity of cooling is improved;
3. the utility model is also provided with the heat radiation component and the ventilation mechanism, can carry out high-efficiency cooling treatment on the recovered cooling liquid, can cool the subsequent plastic pipe after the recovered cooling liquid is reused, has strong sustainable performance and reduces the production cost.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a molding cooling device for plastic pipe production;
FIG. 2 is a schematic view of a sleeve in a molding cooling device for plastic pipe production according to the present utility model;
FIG. 3 is a schematic diagram showing the structural connection of a driving mechanism in a molding cooling device for plastic pipe production according to the present utility model;
FIG. 4 is a schematic view of a heat dissipating assembly of a molding cooling apparatus for plastic pipe production according to the present utility model;
fig. 5 is a schematic structural view of a cooling mechanism in a molding cooling device for plastic pipe production.
In the figure: 1. a water storage bin; 101. a sleeve; 102. sealing the bearing; 103. a pipe inlet; 104. sealing cover; 105. an adjusting rod; 106. a piston push plate; 107. a metal mesh tube; 108. a helical blade; 109. a driven conical ring gear; 110. a driven toothed ring; 111. a water pump; 112. a temperature controller; 2. a driving mechanism; 201. a connecting plate; 202. a driving motor; 203. a transmission rod; 204. a first drive bevel gear; 205. a shaft lever; 206. a driven bevel gear; 207. a transmission gear; 208. a second drive bevel gear; 3. a cooling water tank; 301. a draining pump; 302. a delivery conduit; 303. a shunt; 304. a spray header; 305. a return pipe; 4. a heat dissipation assembly; 401. a heat conducting net; 402. inverted U-shaped copper pipe; 5. a ventilation mechanism; 501. a support frame; 502. a cooling fan; 6. an air cooling mechanism; 601. a cover cap; 602. a blower; 603. and a through hole.
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. 1-5, the present utility model provides a technical solution:
a molding cooling device for plastic pipe production comprises a water storage bin 1, a driving mechanism 2, a cooling water tank 3, a heat radiation component 4, a ventilation mechanism 5 and an air cooling mechanism 6.
The inside level of water storage storehouse 1 runs through and installs sleeve 101, sleeve 101 and water storage storehouse 1 meet department matching cover and are equipped with sealed bearing 102, sleeve 101 one end runs through water storage storehouse 1 one side and has seted up into mouth of pipe 103, coolant liquid in the water storage storehouse 1 can submerge sleeve 101, because plastic tubing and sleeve 101 wall laminating can cool down the plastic tubing, sealed lid 104 is installed to the other end of sleeve 101 runs through water storage storehouse 1 opposite side, sealed lid 104 is last to run through horizontally and install regulation pole 105, regulation pole 105 one end is in sleeve 101 internal fixedly connected with piston push pedal 106, push out the plastic tubing through the piston push pedal 106 in the promotion sleeve 101 of regulation pole 105, the convenience of unloading, sleeve 101 outside movable sleeve has cup jointed metal mesh 107, metal mesh 107 inner wall and sleeve 101 surface contact, metal mesh 107 outer wall fixedly connected with helical blade 108, one side that sleeve 101 is close to into mouth of pipe 103 fixedly connected with driven conical ring 109, metal mesh 107 one end fixedly connected with driven ring 110.
The driving mechanism 2 comprises a connecting plate 201, the connecting plate 201 is fixed at the top of one side of the water storage bin 1, the bottom of the connecting plate 201 is fixedly connected with a driving motor 202, an output shaft of the driving motor 202 is fixedly connected with a transmission rod 203, the bottom of the transmission rod 203 is fixedly connected with a first drive bevel gear 204 meshed with the driven conical ring 109, a second drive bevel gear 208 is fixedly connected to the transmission rod 203, one side of the water storage bin 1 horizontally rotates and penetrates through the water storage bin 1 to be provided with a shaft lever 205, one end of the shaft lever 205 is fixedly connected with a driven bevel gear 206 meshed with the second drive bevel gear 208, and the other end of the shaft lever 205 is fixedly connected with a transmission gear 207 meshed with the driven conical ring 110.
The cooling water tank 3 is fixed in water storage bin 1 bottom, the equal fixedly connected with suction pump 111 of water storage bin 1 inner wall bottom both sides, water storage bin 1 is linked together through suction pump 111 and cooling water tank 3, water storage bin 1 inner wall bottom fixedly connected with and suction pump 111 electric connection's temperature controller 112, 3 one side fixedly connected with drain pump 301 of cooling water tank, drain pump 301 one end fixedly connected with pipeline 302, pipeline 302 bottom is in the inside top horizontal fixedly connected with shunt tubes 303 of water storage bin 1, a plurality of shower heads 304 of shunt tubes 303 bottom fixedly connected with, cooling water tank 3 one side top fixedly connected with and the back flow 305 that water storage bin 1 is linked together.
The cooling assembly 4 is located inside the cooling water tank 3, the cooling assembly 4 comprises a heat conduction net 401 fixed inside the cooling water tank 3, a plurality of inverted U-shaped copper pipes 402 are installed on the heat conduction net 401 in a penetrating mode, jacks matched with the inverted U-shaped copper pipes 402 are formed in the bottom of the cooling water tank 3, and sealing rings attached to the inverted U-shaped copper pipes 402 are embedded in the jacks.
The ventilation mechanism 5 includes the support frame 501 that is fixed in cooling water tank 3 bottom, and the cooling fan 502 is all fixed to the equal fixed intercommunication in support frame 501 both sides of cooling water tank 3 bottom is run through at the both ends of falling U-shaped copper pipe 402 bottom.
The air cooling mechanism 6 comprises a cover 601 arranged at the top of the water storage bin 1, a plurality of blowers 602 are fixedly connected to the top of the inner wall of the cover 601, and a plurality of through holes 603 are fixedly connected to the top of the cover 601.
Openings are formed in the tops of two sides of the support frame 501, and a plurality of ventilation holes are vertically formed in the bottom of the support frame 501.
Seven spray heads 304 are provided, and seven spray heads 304 are uniformly distributed on the shunt tubes 303.
A plurality of inverted U-shaped copper tubes 402 are uniformly inserted and distributed on the heat conduction net 401.
Sealing gaskets are arranged at the joints of the return pipe 305, the water storage bin 1 and the cooling water tank 3.
Two sides of the inner wall of the cover 601 are fixedly connected with limiting plates, and the two limiting plates are respectively attached to two sides of the inner wall of the water storage bin 1.
Working principle: when the utility model is used, a worker puts a plastic pipe into the sleeve 101 through the pipe inlet 103, the cooling liquid in the water storage bin 1 can permeate the sleeve 101, the plastic pipe is adhered to the wall of the sleeve 101, the plastic pipe can be cooled, the drainage pump 301 can be opened during the molding treatment, the cooling liquid in the cooling water tank 3 is sprayed on the sleeve 101 by using the spray heads 304, or the blower 602 in the air cooling mechanism 6 is used for directly blowing and cooling, the driving motor 202 drives the driving rod 203 to rotate, the first driving bevel gear 204 on the driving rod 203 is meshed with the driven bevel gear 109 on the sleeve 101, the sleeve 101 drives the plastic pipe to rotate, the second driving bevel gear 208 on the driving rod 203 is meshed with the driven bevel gear 206 on the shaft rod 205, the driving gear 207 on the shaft rod 205 drives the driven bevel gear 109 again, the metal net 107 drives the helical blades 108 to stir the cooling liquid during rotation, the diffusion of heat in the water storage bin 1 is accelerated, the uniformity of the cooling treatment of the sleeve 101 can be improved, after the cooling is finished, the piston push plate 106 in the sleeve 101 is pushed by the adjusting rod 105 to push out the plastic pipe, the discharging is convenient, the overall production efficiency is improved, meanwhile, the heat radiating assembly 4 and the ventilation mechanism 5 are further arranged, after the temperature of the cooling liquid in the water storage bin 1 is monitored by the temperature controller 112 and is overhigh, the water suction pump 111 is opened, the cooling liquid in the water storage bin 1 is pumped into the cooling water tank 3, the heat radiating assembly 4 and the ventilation mechanism 5 are utilized to conduct high-efficiency cooling treatment on the recovered cooling liquid, the bottoms of the plurality of inverted U-shaped copper pipes 402 are exposed in the external environment, the wind of the cooling fan 502 is directly blown to the copper pipes, the recovered cooling liquid can be cooled down after being reused, the device is high in sustainability, and the production cost is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A molding cooling device for plastic pipe production, comprising:
the water storage bin (1) is internally provided with a sleeve (101) for accommodating a plastic pipe to be cooled; the water storage bin (1) is filled with cooling liquid which is not over the sleeve (101); the periphery of the sleeve (101) is provided with a rotary cooling component so as to drive the cooling liquid outside the sleeve (101) during operation;
the driving mechanism (2) is positioned at the outer side of the water storage bin (1) and is in transmission connection with the rotary cooling component so as to drive the rotary cooling component to operate;
the cooling water tank (3) is positioned at the lower side of the water storage bin (1) and is communicated with the water storage bin (1) so as to temporarily store the heated cooling liquid in the water storage bin (1);
the heat dissipation assembly (4) is positioned inside the cooling water tank (3) and is immersed in the cooling liquid; a low-temperature or normal-temperature fluid is introduced into the heat dissipation component (4);
and the ventilation mechanism (5) penetrates through the cooling water tank (3) and is communicated with external ventilation equipment so as to introduce low-temperature or normal-temperature gas into the cooling water tank (3).
2. A shaped cooling device for plastic pipe production according to claim 1, characterized in that: the air cooling mechanism (6) is also included; the air cooling mechanism (6) penetrates through the water storage bin (1) and is communicated with external ventilation equipment so as to introduce low-temperature or normal-temperature gas into the water storage bin (1).
3. A shaped cooling device for plastic pipe production according to claim 2, characterized in that: one water storage bin (1) is internally and horizontally penetrated and installed with a sleeve (101), a matching sleeve is arranged at the joint of the sleeve (101) and the water storage bin (1) and is provided with a sealing bearing (102), one end of the sleeve (101) penetrates through one side of the water storage bin (1) and is provided with a pipe inlet (103), the other end of the sleeve (101) penetrates through the other side of the water storage bin (1) and is provided with a sealing cover (104), the sealing cover (104) is horizontally and penetratingly installed with an adjusting rod (105), one end of the adjusting rod (105) is fixedly connected with a piston push plate (106) in the sleeve (101), the sleeve (101) is movably sleeved with a metal mesh tube (107), the inner wall of the metal mesh tube (107) is contacted with the outer surface of the sleeve (101), a helical blade (108) is fixedly connected with the outer wall of the metal mesh tube (107), one side of the sleeve (101) close to the pipe inlet (103) is fixedly connected with a driven conical tooth ring (109), one end of the metal mesh tube (107) is fixedly connected with a driven conical tooth ring (110), the driving mechanism (2) comprises a connecting plate (201), one side of the connecting plate (201) is fixedly connected with a motor Chu Shuicang, one side of the motor (201) is fixedly connected with an output shaft (203), the bottom (202) is fixedly connected with a driving rod (203), the utility model discloses a water diversion device, including water storage bin (1), drain pump (302), drain pump (301) one end fixedly connected with conveying pipeline (302), drain pump (302) top water diversion pipe (303) are connected with water diversion pipe (303) in the water storage bin (1), first initiative bevel gear (204) of transmission pole (203) bottom fixedly connected with and driven bevel gear (109) engaged with, fixedly connected with second initiative bevel gear (208) on transmission pole (203), water storage bin (1) are connected with second initiative bevel gear (208) on one side of water storage bin (1) horizontally rotate and run through and install axostylus axostyle (205), driven bevel gear (206) of axostylus axostyle (205) one end fixedly connected with and second initiative bevel gear (208) engaged with, the transmission gear (207) of axostylus axostyle (205) other end fixedly connected with and driven bevel gear (110) engaged with, cooling water tank (3) are fixed in Chu Shuicang (1) bottom, water storage bin (1) inner wall bottom both sides all fixedly connected with suction pump (111), water storage bin (1) are connected with water pump (112) through suction pump (111) and cooling water tank (3) inner wall bottom all fixedly connected with drain pump (301), the cooling water tank (3) one side top fixedly connected with is with back flow (305) that water storage storehouse (1) are linked together, radiator unit (4) are located inside cooling water tank (3), radiator unit (4) are including being fixed in inside heat conduction net (401) of cooling water tank (3), run through on heat conduction net (401) and install a plurality of U-shaped copper pipe (402) that falls, ventilation mechanism (5) are including being fixed in support frame (501) of cooling water tank (3) bottom, cooling water tank (3) bottom is all run through at U-shaped copper pipe (402) bottom both ends that fall, support frame (501) both sides all are fixed with cooling fan (502) of intercommunication.
4. A shaped cooling device for plastic pipe production according to claim 2, characterized in that: the air cooling mechanism (6) comprises a cover cap (601) arranged at the top of the water storage bin (1), a plurality of blowers (602) are fixedly connected to the top of the inner wall of the cover cap (601), and a plurality of through holes (603) are fixedly connected to the top of the cover cap (601).
5. A shaped cooling device for plastic pipe production according to claim 3, characterized in that: openings are formed in the tops of two sides of the support frame (501), and a plurality of ventilation holes are vertically formed in the bottom of the support frame (501).
6. A shaped cooling device for plastic pipe production according to claim 1, characterized in that: the cooling water tank (3) bottom set up with the matched with jack of falling U-shaped copper pipe (402), the inside sealing ring that laminates mutually with falling U-shaped copper pipe (402) that inlays of jack.
7. A shaped cooling device for plastic pipe production according to claim 3, characterized in that: seven spray heads (304) are arranged, and the seven spray heads (304) are uniformly distributed on the shunt pipe (303).
8. A shaped cooling device for plastic pipe production according to claim 3, characterized in that: the plurality of inverted U-shaped copper pipes (402) are uniformly inserted and distributed on the heat conducting net (401).
9. A shaped cooling device for plastic pipe production according to claim 3, characterized in that: sealing gaskets are arranged at the joints of the return pipe (305) and the water storage bin (1) and the cooling water tank (3).
10. A shaped cooling device for plastic pipe production according to claim 4, wherein: limiting plates are fixedly connected to two sides of the inner wall of the cover (601), and the two limiting plates are respectively attached to two sides of the inner wall of the water storage bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223291724.5U CN219486307U (en) | 2022-12-08 | 2022-12-08 | Shaping cooling device is used in plastic tubing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223291724.5U CN219486307U (en) | 2022-12-08 | 2022-12-08 | Shaping cooling device is used in plastic tubing production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219486307U true CN219486307U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223291724.5U Active CN219486307U (en) | 2022-12-08 | 2022-12-08 | Shaping cooling device is used in plastic tubing production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219486307U (en) |
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2022
- 2022-12-08 CN CN202223291724.5U patent/CN219486307U/en active Active
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