CN221440946U - Nylon thermal fuse cooling device - Google Patents
Nylon thermal fuse cooling device Download PDFInfo
- Publication number
- CN221440946U CN221440946U CN202322928600.1U CN202322928600U CN221440946U CN 221440946 U CN221440946 U CN 221440946U CN 202322928600 U CN202322928600 U CN 202322928600U CN 221440946 U CN221440946 U CN 221440946U
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- cooling
- water
- water tank
- thermal fuse
- cooling water
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- 238000001816 cooling Methods 0.000 title claims abstract description 61
- 239000004677 Nylon Substances 0.000 title claims abstract description 48
- 229920001778 nylon Polymers 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 156
- 239000000498 cooling water Substances 0.000 claims abstract description 74
- 238000004804 winding Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Abstract
The utility model discloses a nylon thermal fuse cooling device, which relates to the technical field of devices for nylon thermal fuse processing, and specifically comprises a cooling water tank and a cooling box body, wherein two sides of an inner cavity of the cooling water tank are fixedly provided with a baffle, a circulating water channel is jointly enclosed between the baffle and the cooling water tank, the bottoms of two sides of the cooling water tank are symmetrically provided with a plurality of second water pumps, and a water inlet of each second water pump is communicated with the inside of the circulating water channel; the water outlet of the second water pump is connected with a second water inlet pipe, a first water inlet pipe is arranged between the adjacent second water inlet pipes, a heat-conducting plate is fixedly arranged in the cooling box body, and the first water inlet pipe is fixedly arranged on the heat-conducting plate. When the nylon thermal fuse cooling device is used, the condition that the quality of a product is low due to uneven cooling of the nylon thermal fuse is avoided, and the cooling efficiency of the nylon thermal fuse is improved.
Description
Technical Field
The utility model relates to the technical field of devices for processing nylon thermal fuses, in particular to a nylon thermal fuse cooling device.
Background
The nylon thermal fuse can be prepared by low-melting-point polyamide spinning, has the advantages of low melting point, high thermal bonding strength, stable physical and chemical properties and the like, is widely applied to the textile fields of hot air vamp manufacturing, yarn manufacturing, garment manufacturing and the like, and needs to use a cooling device to carry out molding operation on the nylon yarn after hot-melt wire drawing in the production and processing process of the nylon thermal fuse.
Currently, nylon thermal fuses do not absorb water, workers generally introduce the nylon thermal fuses into a water tank filled with water for cooling, after cooling water absorbs heat of the nylon thermal fuses in the process, the temperature can be higher and higher, the follow-up nylon thermal fuses can be cooled unevenly, and the workers are required to replace the cooling water constantly, so that the production efficiency is affected to a certain extent. In view of the above problems, we propose a nylon thermal fuse cooling device.
Disclosure of utility model
Aiming at the defect of nonuniform cooling of the existing nylon thermal fuse processing device, the utility model provides a nylon thermal fuse cooling device which has the advantage of uniform cooling and solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The nylon thermal fuse cooling device comprises a cooling water tank and a cooling box body, wherein partition plates are fixedly arranged on two sides of an inner cavity of the cooling water tank, a circulating water channel is jointly enclosed between the partition plates and the cooling water tank, a plurality of second water pumps are symmetrically arranged at the bottoms of two sides of the cooling water tank, and water inlets of the second water pumps are communicated with the inside of the circulating water channel;
The water outlet of the second water pump is connected with a second water inlet pipe, a first water inlet pipe is arranged between the adjacent second water inlet pipes, a heat-conducting plate is fixedly arranged in the cooling box body, the first water inlet pipe is fixedly arranged on the heat-conducting plate, and the first water inlet pipe penetrates through the cooling box body and is respectively connected with the second water inlet pipes at two ends;
the cooling water tank is characterized in that a first water outlet pipe is vertically connected to the top of the outer side of the first water inlet pipe, a second water outlet pipe corresponding to the first water outlet pipe is arranged at the bottom of the inner cavity of the cooling water tank, the second water outlet pipe is respectively connected with two sides of the inner wall of the cooling water tank, a first water pump is arranged between the second water outlet pipe and the first water outlet pipe, the first water pump is fixedly installed on the cooling water tank, the top end of the first water outlet pipe penetrates through the cooling box body and is connected with a water inlet of the first water pump, a water outlet of the first water pump is connected with the second water outlet pipe, and a plurality of liquid outlets are symmetrically arranged at the top of the second water outlet pipe.
Optionally, a plurality of first limiting rollers are arranged between the clapboards, at least five first limiting rollers are arranged between the first limiting rollers in a staggered mode, and the first limiting rollers are respectively and rotatably connected with the clapboards at two ends through bearings;
The cooling water tank is characterized in that second limiting rollers are arranged at the tops of two ends of the cooling water tank, first fixing seats are arranged at two ends of the second limiting rollers, the bottom ends of the first fixing seats are connected with the cooling water tank, the second limiting rollers are respectively and rotatably connected with the first fixing seats at the two ends through bearings, a winding mechanism is arranged below one side of one second limiting roller, and the winding mechanism is fixedly mounted on the cooling water tank.
Optionally, the winding mechanism comprises a winding roller, two ends of the winding roller are respectively provided with a second fixing seat, one end of the second fixing seat is connected with the cooling water tank, the other end of the second fixing seat is rotationally connected with a transmission shaft, and the winding roller is respectively connected with the transmission shafts at the two ends through a coupling;
One side of one second fixing seat is fixedly provided with a driving motor, and one end of one transmission shaft penetrates through the second fixing seat to be connected with the output end of the driving motor.
Optionally, a plurality of metallic channels are symmetrically arranged on the outer surface of the first limiting roller and the outer surface of the second limiting roller.
Optionally, the cooling water tank side top is equipped with the water filling port, cooling water tank side bottom is equipped with the outlet, the solenoid valve is installed to outlet inside, water filling port inside.
Optionally, a liquid temperature detector is fixedly installed on one side of the inner wall of the cooling water tank, and the liquid temperature detector, the first water pump, the second water pump and the controller wiring terminal are connected through a data line.
Optionally, the air inlet groove has been seted up to cooling box inner wall one side, air inlet inslot portion fixed mounting has dustproof filter screen, a plurality of exhaust grooves have all been seted up to cooling box both sides symmetry, exhaust groove internally mounted has the air exhauster, a plurality of heat dissipation fin plates are installed perpendicularly to the heat conduction plate bottom.
Optionally, cooling box bottom fixedly connected with bottom plate, a plurality of pillars are installed to bottom plate top symmetry, the pillar top is connected with the cooling water tank.
Compared with the prior art, when the nylon thermal fuse cooling device is used, in summary, the heat of the nylon thermal fuse is absorbed by the water in the cooling water tank, the absorbed water sequentially passes through the circulating water channel, the second water pump and the second water inlet pipe to enter the first water inlet pipe to be cooled, and the cooled water returns to the cooling water tank again through the first water pump, so that the situation that the quality of a product is low due to uneven cooling of the nylon thermal fuse is avoided, and the cooling efficiency of the nylon thermal fuse is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic drawing of the nylon thermal fuse traveling over the present utility model.
FIG. 3 is a schematic view showing the internal structure of the cooling water tank and the cooling box of the present utility model.
In the figure: 1. a cooling water tank; 2. a partition plate; 3. the first limiting roller; 4. the second limiting roller; 5. a first fixing seat; 6. a water filling port; 7. a water outlet; 8. a winding roller; 9. the second fixing seat; 10. a transmission shaft; 11. a driving motor; 12. a bottom plate; 13. cooling the box body; 14. a support post; 15. a heat conductive plate; 16. a heat dissipation fin; 17. a first water inlet pipe; 18. a first water outlet pipe; 19. a first water pump; 20. a second water outlet pipe; 21. a liquid outlet; 22. an exhaust groove; 23. an exhaust fan; 24. an air inlet groove; 25. a second water inlet pipe; 26. a second water pump; 27. a wire groove; 28. a liquid temperature detector.
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 3, the present utility model provides a technical solution: the nylon thermal fuse cooling device comprises a cooling water tank 1 and a cooling box body 13, wherein partition plates 2 are fixedly arranged on two sides of an inner cavity of the cooling water tank 1, a circulating water channel is jointly enclosed between the partition plates 2 and the cooling water tank 1, a plurality of second water pumps 26 are symmetrically arranged at the bottoms of two sides of the cooling water tank 1, and water inlets of the second water pumps 26 are communicated with the inside of the circulating water channel;
As shown in fig. 3, along with the continuous rise of the water level in the cooling water tank 1, excessive water can enter the circulating water channel between the partition plate 2 and the cooling water tank 1 beyond the partition plate 2, and the water in the circulating water channel is cooled and then returns to the cooling water tank 1 again so as to continuously cool the nylon thermal fuse;
The water outlet of the second water pump 26 is connected with a second water inlet pipe 25, a first water inlet pipe 17 is arranged between the adjacent second water inlet pipes 25, a heat-conducting plate 15 is fixedly arranged in the cooling box body 13, the first water inlet pipe 17 is fixedly arranged on the heat-conducting plate 15, and the first water inlet pipe 17 penetrates through the cooling box body 13 and is respectively connected with the second water inlet pipes 25 at two ends;
As shown in fig. 2, the second water pump 26 inputs water in the circulation water path into the first water inlet pipe 17 through the second water inlet pipe 25, and heat of the water in the first water inlet pipe 17 is absorbed by the heat conductive plate 15, thus lowering the water temperature;
The top of the outer side of the first water inlet pipe 17 is vertically connected with a first water outlet pipe 18, the bottom of the inner cavity of the cooling water tank 1 is provided with a second water outlet pipe 20 corresponding to the first water outlet pipe 18, the second water outlet pipe 20 is respectively connected with two sides of the inner wall of the cooling water tank 1, a first water pump 19 is arranged between the second water outlet pipe 20 and the first water outlet pipe 18, the first water pump 19 is fixedly arranged on the cooling water tank 1, the top end of the first water outlet pipe 18 penetrates through the cooling box 13 to be connected with a water inlet of the first water pump 19, a water outlet of the first water pump 19 is connected with the second water outlet pipe 20, and a plurality of liquid outlets 21 are symmetrically arranged at the top of the second water outlet pipe 20;
In the actual use process, firstly, the heat of the nylon thermal fuse is absorbed by the water in the cooling water tank 1, the water in the cooling water tank 1 reenters the circulating water channel, then the second water pump 26 pumps the water in the circulating water channel into the first water inlet pipe 17, the heat of the first water inlet pipe 17 can be absorbed by the heat conducting plate 15, and then the cooled water is uniformly input into the cooling water tank 1 through the second water outlet pipe 20 and the first water outlet pipe 18 by the first water pump 19, so that the situation that the quality of products is low due to uneven cooling of the nylon thermal fuse is avoided, and the cooling efficiency of the nylon thermal fuse is improved.
Further, a plurality of first limiting rollers 3 are arranged between the partition boards 2, the number of the first limiting rollers 3 is not less than five, the first limiting rollers 3 are arranged in a staggered mode from top to bottom, the first limiting rollers 3 are respectively in rotary connection with the partition boards 2 at two ends through bearings, and the retention time of nylon thermal fuses in the cooling water tank 1 is prolonged through the first limiting rollers 3 which are arranged in a staggered mode from top to bottom, so that the cooling effect of the nylon thermal fuses is better;
The top of the two ends of the cooling water tank 1 is provided with a second limiting roller 4, the two ends of the second limiting roller 4 are provided with first fixing seats 5, the bottom ends of the first fixing seats 5 are connected with the cooling water tank 1, the second limiting roller 4 is respectively and rotatably connected with the first fixing seats 5 at the two ends through bearings, a winding mechanism is arranged below one side of one second limiting roller 4, and the winding mechanism is fixedly arranged on the cooling water tank 1;
As shown in fig. 2, by arranging the first limiting roller 3 and the second limiting roller 4, the nylon thermal fuse can be led into and out of the cooling water tank 1, so that the nylon thermal fuse is stretched, and a plurality of strands of wires are prevented from being wound together.
As shown in fig. 1, the winding mechanism comprises a winding roller 8, two ends of the winding roller 8 are respectively provided with a second fixing seat 9, one end of the second fixing seat 9 is connected with the cooling water tank 1, the other end of the second fixing seat 9 is rotationally connected with a transmission shaft 10, the winding roller 8 is respectively connected with the transmission shafts 10 at two ends through a coupler, and the winding roller 8 is arranged to realize automatic collection of the nylon thermal fuse after cooling molding;
One side of one of the second fixing seats 9 is fixedly provided with a driving motor 11, and one end of one transmission shaft 10 penetrates through the second fixing seat 9 to be connected with the output end of the driving motor 11.
As shown in fig. 3, the outer surfaces of the first limiting roller 3 and the second limiting roller 4 are symmetrically provided with a plurality of wire grooves 27, and the wires 27 are arranged to separate the wires, so that cooling failure caused by mutual winding of the wires is avoided, and applicability is improved.
As shown in fig. 2, the top of one side of the cooling water tank 1 is provided with a water filling port 6, the bottom of one side of the cooling water tank 1 is provided with a water discharging port 7, electromagnetic valves are arranged in the water discharging port 7 and the water filling port 6, and the water filling port 6 and the water discharging port 7 are arranged, so that the cooling water can be conveniently input and output.
Further, a liquid temperature detector 28 is fixedly installed on one side of the inner wall of the cooling water tank 1, and the liquid temperature detector 28, the first water pump 19, the second water pump 26 and the controller terminal are connected through a data line.
Wherein, the controller can be integrated mainboard or PLC controller, and when liquid temperature detector 28 detects that cooling water tank 1 inside temperature is too high, liquid temperature detector 28 sends the signal to controller department, and the controller restarts first water pump 19, second water pump 26 and carries out the circulation of cooling water, has improved degree of automation, has alleviateed staff's work burden.
Further, an air inlet slot 24 is formed on one side of the inner wall of the cooling box 13, a dust-proof filter screen is fixedly mounted in the air inlet slot 24, a plurality of air exhaust slots 22 are symmetrically formed on two sides of the cooling box 13, an exhaust fan 23 is mounted in the air exhaust slots 22, and a plurality of heat dissipation fin plates 16 are vertically mounted at the bottom of the heat conducting plate 15.
As shown in fig. 2, the heat of the heat conducting plate 15 is dissipated to the inside of the cooling box 13 through the heat dissipating fin plate 16, and the exhaust fan 23 drives the heat to be exhausted to the outside of the cooling box 13 through the exhaust groove 22, so that the temperature of the heat conducting plate 15 is reduced.
As shown in fig. 1, the bottom of the cooling box 13 is fixedly connected with a bottom plate 12, a plurality of struts 14 are symmetrically arranged at the top of the bottom plate 12, the top ends of the struts 14 are connected with the cooling water tank 1, and the cooling water tank 1 assembly can be supported by arranging the struts 14.
In summary, when the nylon thermal fuse cooling device is used, firstly, a worker introduces the nylon filaments after the thermal fuse wires into the cooling water tank 1, the heat of the nylon thermal fuses is absorbed by the water in the cooling water tank 1, the absorbed water sequentially passes through the circulating water channel, the second water pump 26 and the second water inlet pipe 25 to enter the first water inlet pipe 17 to be cooled, and the cooled water returns to the inside of the cooling water tank 1 again through the first water pump 19, so that the cooling of the nylon thermal fuses is repeated in a circulating way, and the condition that the quality of products is low due to uneven cooling of the nylon thermal fuses is avoided.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. 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 (8)
1. The utility model provides a nylon thermal fuse cooling device, includes cooling water tank (1) and cooling box (13), its characterized in that: the cooling water tank is characterized in that a partition plate (2) is fixedly arranged on two sides of an inner cavity of the cooling water tank (1), a circulating water channel is jointly enclosed between the partition plate (2) and the cooling water tank (1), a plurality of second water pumps (26) are symmetrically arranged at the bottoms of two sides of the cooling water tank (1), and a water inlet of each second water pump (26) is communicated with the inside of the circulating water channel;
The water outlet of the second water pump (26) is connected with a second water inlet pipe (25), a first water inlet pipe (17) is arranged between the adjacent second water inlet pipes (25), a heat conducting plate (15) is fixedly arranged in the cooling box body (13), the first water inlet pipe (17) is fixedly arranged on the heat conducting plate (15), and the first water inlet pipe (17) penetrates through the cooling box body (13) to be connected with the second water inlet pipes (25) at two ends respectively;
The cooling water tank is characterized in that a first water outlet pipe (18) is vertically connected to the top of the outer side of the first water inlet pipe (17), a second water outlet pipe (20) corresponding to the first water outlet pipe (18) is arranged at the bottom of the inner cavity of the cooling water tank (1), the second water outlet pipe (20) is respectively connected with two sides of the inner wall of the cooling water tank (1), a first water pump (19) is arranged between the second water outlet pipe (20) and the first water outlet pipe (18), the first water pump (19) is fixedly arranged on the cooling water tank (1), the top end of the first water outlet pipe (18) penetrates through the cooling box body (13) to be connected with a water inlet of the first water pump (19), a water outlet of the first water pump (19) is connected with the second water outlet pipe (20), and a plurality of liquid outlets (21) are symmetrically arranged at the top of the second water outlet pipe (20).
2. The nylon thermal fuse cooling device of claim 1, wherein: a plurality of first limit rollers (3) are arranged between the partition boards (2), the number of the first limit rollers (3) is not less than five, the first limit rollers (3) are arranged in a staggered mode from top to bottom, and the first limit rollers (3) are respectively connected with the partition boards (2) at two ends in a rotating mode through bearings;
the cooling water tank (1) both ends top all is equipped with spacing roller of second (4), spacing roller of second (4) both ends all are equipped with first fixing base (5), first fixing base (5) bottom is connected with cooling water tank (1), spacing roller of second (4) rotates with first fixing base (5) in both ends respectively through the bearing and is connected, and one of them spacing roller of second (4) one side below is equipped with winding mechanism, winding mechanism fixed mounting is on cooling water tank (1).
3. A nylon thermal fuse cooling device as defined in claim 2 wherein: the winding mechanism comprises a winding roller (8), second fixing seats (9) are arranged at two ends of the winding roller (8), one end of each second fixing seat (9) is connected with a cooling water tank (1), the other end of each second fixing seat (9) is rotatably connected with a transmission shaft (10), and the winding roller (8) is respectively connected with the transmission shafts (10) at two ends through a coupler;
One side of one second fixing seat (9) is fixedly provided with a driving motor (11), and one end of one transmission shaft (10) penetrates through the second fixing seat (9) to be connected with the output end of the driving motor (11).
4. A nylon thermal fuse cooling device as defined in claim 2 wherein: a plurality of wire grooves (27) are symmetrically formed in the outer surface of the first limiting roller (3) and the outer surface of the second limiting roller (4).
5. The nylon thermal fuse cooling device of claim 1, wherein: the top of one side of the cooling water tank (1) is provided with a water filling port (6), the bottom of one side of the cooling water tank (1) is provided with a water outlet (7), and electromagnetic valves are arranged in the water outlet (7) and the water filling port (6).
6. The nylon thermal fuse cooling device of claim 1, wherein: a liquid temperature detector (28) is fixedly arranged on one side of the inner wall of the cooling water tank (1), and the liquid temperature detector (28), the first water pump (19), the second water pump (26) and the controller wiring terminal are connected through data lines.
7. The nylon thermal fuse cooling device of claim 1, wherein: an air inlet groove (24) is formed in one side of the inner wall of the cooling box body (13), a dustproof filter screen is fixedly mounted in the air inlet groove (24), a plurality of air exhaust grooves (22) are symmetrically formed in two sides of the cooling box body (13), an exhaust fan (23) is mounted in the air exhaust grooves (22), and a plurality of heat dissipation fin plates (16) are vertically mounted at the bottom of the heat conducting plate (15).
8. The nylon thermal fuse cooling device of claim 1, wherein: the cooling box body (13) bottom fixedly connected with bottom plate (12), a plurality of pillar (14) are installed to bottom plate (12) top symmetry, pillar (14) top is connected with cooling water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322928600.1U CN221440946U (en) | 2023-10-31 | 2023-10-31 | Nylon thermal fuse cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322928600.1U CN221440946U (en) | 2023-10-31 | 2023-10-31 | Nylon thermal fuse cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221440946U true CN221440946U (en) | 2024-07-30 |
Family
ID=92072774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322928600.1U Active CN221440946U (en) | 2023-10-31 | 2023-10-31 | Nylon thermal fuse cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221440946U (en) |
-
2023
- 2023-10-31 CN CN202322928600.1U patent/CN221440946U/en active Active
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