CN220319917U - Intelligent air pump with diversion cooling structure - Google Patents
Intelligent air pump with diversion cooling structure Download PDFInfo
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- CN220319917U CN220319917U CN202321801975.5U CN202321801975U CN220319917U CN 220319917 U CN220319917 U CN 220319917U CN 202321801975 U CN202321801975 U CN 202321801975U CN 220319917 U CN220319917 U CN 220319917U
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- air
- air pump
- guide sleeve
- cooling structure
- shell
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- 238000001816 cooling Methods 0.000 title claims abstract description 60
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 230000009467 reduction Effects 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 27
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent air pump with a diversion cooling structure, which comprises a shell, a fan assembly, an air pump assembly and a power supply module, wherein the diversion cooling structure is arranged in the shell; the shell is also provided with an air inlet mesh and an air outlet mesh, and the air inlet mesh and the air outlet mesh are both communicated with the cavity. According to the intelligent air pump, the diversion cooling structure and the fan assembly are arranged to realize the directional guiding effect of air flow, so that the air flow is positioned and conveyed along the direction from the diversion cover to the air outlet and the first air outlet, the cooling and radiating effects are realized on the power supply module and the air pump assembly, the air flow is prevented from flowing back in the shell to influence the air flow, the radiating and cooling effects and efficiency are improved, and the service life of the intelligent air pump is prolonged.
Description
Technical Field
The utility model relates to the technical field of mobile air pumps, in particular to an intelligent air pump with a diversion cooling structure.
Background
The existing electric air pump is usually driven by a motor to drive a gear transmission mechanism, and an output gear of the gear transmission mechanism drives a piston body to reciprocate in an air cylinder through a connecting rod eccentrically arranged, so that compressed air is generated to charge and boost equipment such as tires.
Such as patent number: CN201811529632.1, it discloses a kind of vehicle carried inflator pump, including the shell made up of lower cover, upper cover and panel, the lower cover is connected with upper cover, the upper cover is connected with panel, there are lithium batteries in the lower cover, cover the shell to cover lithium battery on, there are cavities to hold lithium battery to get into in the shell; the lower cover is internally provided with an air pump component and an air outlet pipe, the air pump component is connected with the air outlet pipe, and the air pump component is electrically connected with the lithium battery; the air pump assembly comprises radiating blades, a motor, a first gear, a second gear and an air pump, an output shaft at the top of the motor is connected with the first gear, the first gear is meshed with the second gear, and the second gear is rotationally connected with a connecting rod on the air pump through a rotating shaft. An intelligent component is arranged in the lower cover and comprises a processor, a charging interface, a button input module, a vibration sensor and a display screen. The vehicle-mounted inflator pump has the advantages of simple and compact structure, good heat dissipation effect, effective vibration reduction and protection of the internal elements of the inflator pump, but the inflator pump also has the following problems: 1. the existing air pump has no flow guide structure, and the air flow brought by the radiating blades is in a backflow condition in the interior, so that the entering air flow cannot be timely discharged to cause heat to circulate in the interior, the radiating effect is affected, the air flow cannot be timely and rapidly conveyed to the battery module and the air pump assembly to radiate, the flow guide positioning performance is poor, the radiating effect and the efficiency are affected, and the service life of the internal elements is affected; 2. the existing connecting pipe is required to be stored without a storage structure, and the existing connecting pipe is usually arranged independently or directly wound on the inflator pump through disassembly, so that the arrangement efficiency is low, and the subsequent use experience effect is affected; 3. the air pump assembly can produce a large amount of heat at the in-process outlet duct, and it does not have heat radiation structure, and the radiating effect is poor, and the high temperature leads to the sealing washer of connecting rod in the air pipe assembly to appear ageing, influences the leakproofness, leads to gas leakage to influence subsequent inflation effect and efficiency.
Disclosure of Invention
The utility model provides an intelligent air pump with a diversion cooling structure aiming at the defects of the prior art, and aims to solve the technical problems that the heat dissipation effect and efficiency are affected by the backflow of air flow in the air pump caused by the non-diversion structure in the prior art, and the service life of internal elements is reduced.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
the intelligent air pump with the diversion cooling structure comprises a shell, a fan assembly, an air pump assembly and a power supply module, wherein a cavity is formed in the shell, the diversion cooling structure is arranged in the cavity, the fan assembly is arranged in the diversion cooling structure, the air pump assembly is arranged on one side surface of the diversion cooling structure, the air pump assembly is connected with the fan assembly, and the power supply module is arranged on the other side surface of the diversion cooling structure; the shell is also provided with an air inlet mesh and an air outlet mesh, and the air inlet mesh and the air outlet mesh are both communicated with the cavity; the air flow enters from the air inlet mesh under the guidance of the fan assembly, and the air flow is guided to the air pump assembly and the power supply module by the diversion cooling structure for blowing cooling.
Further improvements are made, the diversion cooling structure comprises a diversion cover; the air guide sleeve is provided with a cavity channel and a guide pipe, and the cavity channel is connected and communicated with the guide pipe; the two ends of the cavity are respectively provided with an air inlet and an air outlet, the fan assembly is arranged in the cavity, and the flow guide pipe is provided with a first air outlet; the air pump component is arranged at the rear of the air outlet, and the power supply module is arranged at the rear of the first air outlet of the flow guide pipe.
The air guide sleeve comprises a first air guide sleeve and a second air guide sleeve, and a first detachable connecting structure is arranged between the first air guide sleeve and the second air guide sleeve; the first air guide sleeve and the second air guide sleeve are respectively provided with a reinforcing structure and a fixing column, the fixing columns are arranged in the first air guide sleeve and the second air guide sleeve, and the reinforcing structures are arranged on the outer surfaces of the first air guide sleeve and the second air guide sleeve.
The reinforcing structure comprises a reinforcing rib structure and a reinforcing block structure, wherein the reinforcing block structure is arranged on the side face of the first air guide sleeve and the side face of the second air guide sleeve, and the reinforcing rib structure is arranged on the outer surface of the first air guide sleeve and the outer surface of the second air guide sleeve.
The reinforcing rib structure comprises a plurality of reinforcing ribs, and the reinforcing ribs form a net structure or a strip structure; the reinforcing block structure comprises a plurality of supporting reinforcing blocks.
The fan assembly comprises a motor, the motor is arranged between the two fixing columns, the motor is provided with fan blades and a connecting shaft, and the connecting shaft is connected with the air pump assembly.
The air pump assembly is further improved, the connector is arranged on the air pump assembly, and a radiator is arranged between the connector and the air pump assembly; the connector is provided with a control valve; the air pump assembly is further provided with a plurality of vibration reduction and noise reduction blocks, and the vibration reduction and noise reduction blocks are respectively arranged on the outer surface of the air pump assembly and connected with the inner surface of the shell.
The power module comprises a fixed support and a plurality of batteries, wherein the fixed support comprises a first fixed support and a second fixed support, the first fixed support is provided with a plurality of buckling hooks, the second fixed support is provided with a plurality of rings, and the buckling hooks are connected with the buckling rings to fix the batteries in the fixed support.
The shell is further improved, two supporting feet are further arranged on the shell, cushion blocks are arranged on the supporting feet, and anti-skid textures are arranged on the cushion blocks; the shell is also provided with a panel, and the panel is provided with a display screen and operation buttons; the panel is also provided with a handle.
The shell comprises a first shell and a second shell, and the first shell and the second shell are detachably connected; the first shell is provided with a through hole and a storage disc, the storage disc is provided with a winding part and a storage groove, and the storage groove is provided with a plurality of buckling blocks.
Compared with the prior art, the intelligent air pump with the diversion cooling structure has at least one of the following technical effects:
1. according to the intelligent air pump, the diversion cooling structure is arranged to be matched with the fan assembly arranged in the diversion cooling structure for heat dissipation, and the diversion cooling structure is used for realizing the guiding effect of air flow, so that the air flow is positioned and conveyed along the direction of the air outlet and the first air outlet, the power supply module and the air pump assembly are cooled and dissipated, backflow of the air flow in the cavity is prevented from being formed, the air flow is influenced, the heat dissipation cooling effect and efficiency are improved, and the service life of the follow-up intelligent air pump is prolonged;
2. through setting up the containing plate that has the winding portion and accomodates the recess, the winding portion is used for the longer tracheal winding of length to accomodate, accomodate the recess and be equipped with a plurality of knot pieces, accomodate the recess and be used for tracheal placing, detain the piece and be used for the trachea to accomodate the effect of buckling accomodating after accomodating in the plate, be convenient for arrange in order and carry, improve user's experience effect;
3. through set up the radiator at air pump assembly and be used for carrying out radiating effect to air pump assembly, combine water conservancy diversion cooling structure and fan subassembly to improve air pump assembly's radiating effect greatly, the heat that produces when preventing air pump assembly action is piled up the condition and appears to guarantee intelligent air pump's life.
4. The utility model also realizes multiple vibration and noise reduction by arranging the vibration and noise reduction block on the air pump component and arranging the rubber cushion block on the shell, and reduces the influence of vibration and noise generated during use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of an intelligent air pump with a diversion cooling structure in this embodiment;
FIG. 2 is another schematic view of the intelligent air pump with the diversion cooling structure in this embodiment;
fig. 3 is a schematic bottom view of the intelligent air pump with the diversion cooling structure according to the embodiment;
fig. 4 is an exploded schematic view of the intelligent air pump with the diversion cooling structure of the present embodiment;
fig. 5 is a schematic view of the structure of the air guide sleeve of the present embodiment.
Detailed Description
The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, an intelligent air pump 1 with a diversion cooling structure includes a casing 2, a fan assembly 3, an air pump assembly 4 and a power module 5, wherein a cavity is arranged in the casing 2, a diversion cooling structure 6 is arranged in the cavity, the fan assembly 3 is arranged in the diversion cooling structure 6, the air pump assembly 4 is arranged on one side surface of the diversion cooling structure 6, the air pump assembly 4 is connected with the fan assembly 3, and the power module 5 is arranged on the other side surface of the diversion cooling structure 6; the shell 2 is also provided with an air inlet mesh 20 and an air outlet mesh 21, and the air inlet mesh 20 and the air outlet mesh 21 are connected and communicated with the cavity; the air inlet net mouth 20 and the air outlet net mouth 21 are both composed of a plurality of air holes, air flow enters from the air inlet net mouth 20 under the guidance of the fan assembly 3, and the diversion cooling structure 6 guides the air flow to the air pump and the power supply module 5 for blowing cooling.
The diversion cooling structure 6 comprises a diversion cover 60; the air guide sleeve 60 is provided with a cavity 600 and a guide pipe 601, and the cavity 600 is communicated with the guide pipe 601; the two ends of the cavity 600 are respectively provided with an air inlet 602 and an air outlet 603, the fan assembly 3 is arranged in the cavity 600, and the flow guide pipe 601 is provided with a first air outlet 604; the air pump assembly 4 is arranged at the rear of the air outlet 603, the power module 5 is arranged at the rear of the first air outlet 604 of the flow guide pipe 601, the flow guide cooling structure 6 is used for realizing the guiding effect of air flow, so that the air flow is positioned and conveyed along the direction of the flow guide cover 60 to the first air outlet 604 of the air outlet 603, the power module 5 and the air pump assembly 4 are cooled and radiated, the air flow is prevented from flowing back in a cavity to influence the air flow, the radiating and cooling effect and efficiency are improved, and the service life of the follow-up intelligent air pump 1 is prolonged.
The air guide sleeve 60 comprises a first air guide sleeve 605 and a second air guide sleeve 606, and a first detachable connection structure is arranged between the first air guide sleeve 605 and the second air guide sleeve 606; the first air guide sleeve 605 and the second air guide sleeve 606 are respectively provided with a reinforcing structure 7 and a fixing column 8, the fixing columns 8 are arranged inside the first air guide sleeve 60 and the second air guide sleeve 60, the reinforcing structures 7 are arranged on the outer surfaces of the first air guide sleeve 60 and the second air guide sleeve 60, the fixing columns 8 are used for fixing the fan assembly 3, and the first detachable connecting structure can be one of a threaded connecting structure, a buckle connecting structure or an adhesive structure.
The reinforcing structure 7 comprises a reinforcing rib structure 70 and a reinforcing block structure 71, the reinforcing block structure 71 is arranged on the side surface of the first air guide sleeve 605 and the side surface of the second air guide sleeve 606, the reinforcing rib structure 70 is arranged on the outer surface of the first air guide sleeve 605 and the outer surface of the second air guide sleeve 606, the reinforcing rib structure 70 comprises a plurality of reinforcing ribs, and the reinforcing ribs form a net structure or a strip structure; the reinforcing block structure 71 comprises a plurality of supporting reinforcing blocks, and the reinforcing structure 7 is used for improving the strength of the air guide sleeve 60 and protecting the fan assembly 3 and the subsequent service life.
The fan assembly 3 comprises a motor 30, the motor 30 is arranged between the two fixing columns 8, the motor 30 is provided with fan blades 31 and a connecting shaft 32, the connecting shaft 32 is connected with the air pump assembly 4, the fan blades 31 are used for guiding air flow, and the fan assembly 3 is used for radiating and driving.
The air pump assembly 4 is provided with a connector 40, a radiator 41 is arranged between the connector 40 and the air pump assembly 4, and the radiator 41 is used for radiating the air pump assembly 4 to prevent heat accumulation from affecting the service life of the intelligent air pump 1; the connector 40 is provided with a control valve 400; the air pump assembly 4 is further provided with a plurality of vibration reduction and noise reduction blocks 42, the vibration reduction and noise reduction blocks 42 are respectively arranged on the outer surface of the air pump assembly 4 and are connected with the inner surface of the shell 2, the vibration reduction and noise reduction blocks 42 can be one of a shock absorber and a shock absorption rubber, the vibration reduction and noise reduction blocks 42 are used for reducing the influence of vibration and noise generated by the air pump assembly 4 during operation, the air pump assembly 4 is provided with a first gear, the motor is provided with a second gear, the first gear and the second gear form a linkage structure, the first gear is provided with a rotating shaft, the first rotating shaft is provided with a pushing rod, the air pump assembly 4 is provided with a movable bin, the movable bin is connected and communicated with the control valve, the pushing rod is provided with a piston part, and the air pump assembly 4 acts under the driving of the motor 30 to drive the piston part to move along the movable bin, so that the piston part is in a movable bin to realize the air supply function.
The power module 5 includes fixed bolster 50 and a plurality of battery 51, the fixed bolster 50 includes first fixed bolster and second fixed bolster, first fixed bolster is equipped with a plurality of knot and colludes, the second fixed bolster is equipped with a plurality of rings, detain and collude and buckle lock are connected a plurality of battery 51 is fixed in the fixed bolster 50, the fixed bolster 50 is used for playing the effect of protection, the power module 5 is used for providing the effect of actuating source, the power module still is equipped with first circuit board, first circuit board with control circuit board 240 electric connection.
The shell 2 is also provided with two supporting feet, the supporting feet are provided with cushion blocks 22, the cushion blocks 22 are provided with anti-skid textures 23, the cushion blocks 22 are rubber cushion blocks, the anti-skid textures 23 are used for improving stability during placement, and the rubber cushion blocks are used for providing vibration reduction and noise reduction functions; the shell 2 is also provided with a panel 24, and the panel 24 is provided with a display screen 25 and an operation button 26; the panel 24 is further provided with a handle 27, the handle 27 is convenient to hold, the panel 24 is provided with a control circuit board 240, and the control circuit board 240 is electrically connected with the fan assembly 3, the air pump assembly 4 and the power module 5.
The housing 2 includes a first housing 28 and a second housing 29, wherein detachable connection is formed between the first housing 28 and the second housing 29, and the detachable connection can be one of a threaded connection structure or a snap connection structure; the first housing 28 is provided with a through hole 280 and a storage disc 281, the storage disc 281 is provided with a winding part 2810 and a storage groove 2811, the winding part 2810 is used for winding and storing a long tracheal tube, the storage groove 2811 is provided with a plurality of buckling blocks 2812, and the buckling blocks 2812 are used for buckling and storing the tracheal tube after being stored in the storage disc 281.
According to the intelligent air pump, the diversion cooling structure is arranged to be matched with the fan assembly arranged in the diversion cooling structure for heat dissipation, and the diversion cooling structure is used for realizing the guiding effect of air flow, so that the air flow is positioned and conveyed along the direction of the air outlet and the first air outlet, the power supply module and the air pump assembly are cooled and dissipated, backflow of the air flow in the cavity is prevented from being formed, the air flow is influenced, the heat dissipation cooling effect and efficiency are improved, and the service life of the follow-up intelligent air pump is prolonged; through setting up the containing plate that has the winding portion and accomodates the recess, the winding portion is used for the longer tracheal winding of length to accomodate, accomodate the recess and be equipped with a plurality of knot pieces, accomodate the recess and be used for tracheal placing, detain the piece and be used for the trachea to accomodate the effect of buckling accomodating after accomodating in the plate, be convenient for arrange in order and carry, improve user's experience effect; through the effect that the radiator is used for carrying out heat dissipation to the air pump component at the air pump component, the heat dissipation effect of the air pump component is greatly improved by combining the diversion cooling structure and the fan component, and the occurrence of heat accumulation generated during the action of the air pump component is prevented, so that the service life of the intelligent air pump is ensured; the vibration and noise reduction block is arranged on the air pump assembly, and the rubber cushion block is arranged on the shell, so that multiple vibration and noise reduction is realized, and the influence of vibration and noise generated during use is reduced.
The present utility model is not limited to the above embodiments, and other intelligent air pumps with diversion cooling structures obtained by adopting the same or similar structures or devices as the above embodiments of the present utility model are all within the scope of the present utility model.
Claims (10)
1. An intelligent air pump with water conservancy diversion cooling structure, its characterized in that: the intelligent air pump comprises a shell, a fan assembly, an air pump assembly and a power supply module, wherein a cavity is arranged in the shell, a diversion cooling structure is arranged in the cavity, the fan assembly is arranged in the diversion cooling structure, the air pump assembly is arranged on one side surface of the diversion cooling structure, the air pump assembly is connected with the fan assembly, and the power supply module is arranged on the other side surface of the diversion cooling structure; the shell is also provided with an air inlet mesh and an air outlet mesh, and the air inlet mesh and the air outlet mesh are both communicated with the cavity; the air flow enters from the air inlet mesh under the guidance of the fan assembly, and the air flow is guided to the air pump assembly and the power supply module by the diversion cooling structure for blowing cooling.
2. The intelligent air pump with a diversion cooling structure according to claim 1, wherein: the diversion cooling structure comprises a diversion cover; the air guide sleeve is provided with a cavity channel and a guide pipe, and the cavity channel is connected and communicated with the guide pipe; the two ends of the cavity are respectively provided with an air inlet and an air outlet, the fan assembly is arranged in the cavity, and the flow guide pipe is provided with a first air outlet; the air pump component is arranged at the rear of the air outlet, and the power supply module is arranged at the rear of the first air outlet of the flow guide pipe.
3. The intelligent air pump with a diversion cooling structure according to claim 2, characterized in that: the air guide sleeve comprises a first air guide sleeve and a second air guide sleeve, and a first detachable connecting structure is arranged between the first air guide sleeve and the second air guide sleeve; the first air guide sleeve and the second air guide sleeve are respectively provided with a reinforcing structure and a fixing column, the fixing columns are arranged in the first air guide sleeve and the second air guide sleeve, and the reinforcing structures are arranged on the outer surfaces of the first air guide sleeve and the second air guide sleeve.
4. The intelligent air pump with a diversion cooling structure according to claim 3, wherein: the reinforcing structure comprises a reinforcing rib structure and a reinforcing block structure, the reinforcing block structure is arranged on the side face of the first air guide sleeve and the side face of the second air guide sleeve, and the reinforcing rib structure is arranged on the outer surface of the first air guide sleeve and the outer surface of the second air guide sleeve.
5. The intelligent air pump with a diversion cooling structure according to claim 4, wherein: the reinforcing rib structure comprises a plurality of reinforcing ribs, and the reinforcing ribs form a net structure or a strip structure; the reinforcing block structure comprises a plurality of supporting reinforcing blocks.
6. The intelligent air pump with a diversion cooling structure according to claim 5, wherein: the fan assembly comprises a motor, the motor is arranged between the two fixing columns, the motor is provided with fan blades and a connecting shaft, and the connecting shaft is connected with the air pump assembly.
7. The intelligent air pump with a diversion cooling structure according to claim 6, wherein: the air pump component is provided with a connector, and a radiator is arranged between the connector and the air pump component; the connector is provided with a control valve; the air pump assembly is further provided with a plurality of vibration reduction and noise reduction blocks, and the vibration reduction and noise reduction blocks are respectively arranged on the outer surface of the air pump assembly and connected with the inner surface of the shell.
8. The intelligent air pump with a diversion cooling structure according to claim 7, wherein: the power module comprises a fixed support and a plurality of batteries, wherein the fixed support comprises a first fixed support and a second fixed support, the first fixed support is provided with a plurality of buckling hooks, the second fixed support is provided with a plurality of rings, and the buckling hooks are connected with the buckling rings in a buckled mode to fix the batteries in the fixed support.
9. The intelligent air pump with a diversion cooling structure according to claim 2, characterized in that: the shell is also provided with two supporting feet, the supporting feet are provided with cushion blocks, and the cushion blocks are provided with anti-skid textures; the shell is also provided with a panel, and the panel is provided with a display screen and operation buttons; the panel is also provided with a handle.
10. The intelligent air pump with a diversion cooling structure according to claim 9, wherein: the shell comprises a first shell and a second shell, and the first shell and the second shell are detachably connected; the first shell is provided with a through hole and a storage disc, the storage disc is provided with a winding part and a storage groove, and the storage groove is provided with a plurality of buckling blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801975.5U CN220319917U (en) | 2023-07-10 | 2023-07-10 | Intelligent air pump with diversion cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801975.5U CN220319917U (en) | 2023-07-10 | 2023-07-10 | Intelligent air pump with diversion cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319917U true CN220319917U (en) | 2024-01-09 |
Family
ID=89424860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321801975.5U Active CN220319917U (en) | 2023-07-10 | 2023-07-10 | Intelligent air pump with diversion cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319917U (en) |
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2023
- 2023-07-10 CN CN202321801975.5U patent/CN220319917U/en active Active
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