CN210810547U - Steam tea extraction all-in-one machine - Google Patents
Steam tea extraction all-in-one machine Download PDFInfo
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- CN210810547U CN210810547U CN201921186518.3U CN201921186518U CN210810547U CN 210810547 U CN210810547 U CN 210810547U CN 201921186518 U CN201921186518 U CN 201921186518U CN 210810547 U CN210810547 U CN 210810547U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 238000010438 heat treatment Methods 0.000 claims abstract description 108
- 239000008236 heating water Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 38
- 239000000523 sample Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 16
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- 239000011425 bamboo Substances 0.000 claims description 13
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- 244000269722 Thea sinensis Species 0.000 claims 4
- 235000013305 food Nutrition 0.000 abstract description 5
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- 235000013336 milk Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses a steam tea-extracting integrated machine, belonging to a food processing device, which comprises a shell and a heating liner arranged in the shell and used for heating cold water and forming steam, wherein the heating liner is respectively communicated with a cold water input pipe used for inputting cold water, a hot water output pipe and a steam output pipe used for outputting hot water and steam; a high water level sensor, a heating water level sensor and a heating element are arranged in the heating container, and the high water level sensor, the heating water level sensor and the heating element are sequentially arranged in the heating container from top to bottom; the interface setting that cold water input pipe and heating courage are connected is in the below of heating water level sensor, and the interface setting that hot water output tube and heating courage are connected is between high water level sensor and heating water level sensor, and the interface setting that steam output tube and heating courage link is in high water level sensor's top, and this equipment can make the accurate hot water region and the steam region of distinguishing in the heating courage, makes hot water and steam output quantity more accurate.
Description
Technical Field
The utility model relates to a food domestic equipment especially relates to a steam extraction tea all-in-one.
Background
The steam tea extraction all-in-one machine is commercial food equipment integrating functions of boiled water, cold water and steam, and is widely applied to food stores, for example, the steam function of the steam tea extraction all-in-one machine is utilized to rapidly heat drinks so that the flavor of the drinks is not lost, the steam is utilized to rapidly heat fresh milk so that milk foam is fine and smooth enough, and the steam is utilized to extract tea bags and the like.
However, because the boiled water and the steam are heated and generated in the same heating container, the boiled water heating area and the steam forming area in the heating container are difficult to distinguish, when the boiled water or the steam is output, the output precision of the hot water or the steam is often low due to the fact that the water level of the boiled water is too high or too low, if the water level is too low, the water output is difficult to control due to too low water pressure when the boiled water is output, and if the water level is too high, a certain amount of boiled water is accompanied when the steam is output, so that the steam amount is insufficient or the brewing effect is influenced by the boiled water.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a steam tea-extracting all-in-one machine which improves the precision of steam and boiled water output in a heating liner.
The purpose of the utility model is realized by adopting the following technical scheme:
a steam tea-extracting integrated machine comprises a shell and a heating liner arranged in the shell and used for heating cold water and forming steam, wherein the heating liner is respectively communicated with a cold water input pipe used for inputting cold water, a hot water output pipe and a steam output pipe used for outputting hot water and steam; a high water level sensor, a heating water level sensor and a heating element are arranged in the heating liner, and the high water level sensor, the heating water level sensor and the heating element are sequentially arranged in the heating liner from top to bottom; the interface that cold water input tube and heating courage are connected sets up the below of heating water level sensor, the interface that hot water output tube and heating courage are connected sets up high water level sensor with between the heating water level sensor, the steam output tube with the interface that the heating courage is connected sets up the top of high water level sensor.
Furthermore, a drain pipe communicated with the external environment is arranged at the bottom of the heating liner.
Further, the heating liner is also provided with a barometer, a vacuum breaker valve, an air pressure switch and a safety relief valve which are connected with the inner cavity of the heating liner.
Further, the steam tea extraction all-in-one machine further comprises a controller, and the heating element, the high water level sensor and the heating water level sensor are electrically connected with the controller respectively.
Furthermore, valves are respectively arranged on the hot water output pipe and the steam output pipe, and the valve on the hot water output pipe and the valve on the steam output pipe are respectively electrically connected with the controller; the shell is also provided with two self-locking inching button switches which are respectively used for controlling the valve of the hot water output pipe and the valve of the steam output pipe.
Further, the steam tea extraction all-in-one machine further comprises a display electrically connected with the controller.
Furthermore, a hot water faucet is arranged at one end of the hot water output pipe, which is far away from the heating liner, and a bubbler is arranged on the hot water faucet.
Furthermore, one end of the steam output pipe, which is far away from the heating liner, is provided with a steam tap; the steam tap comprises a connecting cylinder, an air outlet pipe and a first sealing connecting piece, the side wall of the connecting cylinder is provided with a steam inlet communicated with the heating liner, the steam inlet is communicated with the inside of the connecting cylinder, the first end of the connecting cylinder is hermetically connected with the front end of the air outlet pipe, the inlet of the air outlet pipe is communicated with the inside of the connecting cylinder, the second end of the connecting cylinder is hermetically connected with the first sealing connecting piece, the rear end of the air outlet pipe is provided with a temperature sensor for sensing the temperature of the beverage, a temperature sensing probe seat of the temperature sensor is embedded in the air outlet pipe, the temperature sensing probe of the temperature sensor is exposed out of the air outlet pipe, the temperature sensor is provided with an electric wire which is electrically connected with the temperature sensing probe, one end of the wire sequentially penetrates through the air outlet pipe, the connecting cylinder and the first sealing connecting piece and then is connected with a control circuit of the steam tea extracting all-in-one machine.
Further, the rear end of outlet duct is equipped with an installation section of thick bamboo, the first end of an installation section of thick bamboo with the connection can be dismantled to the rear end of outlet duct, the second end of an installation section of thick bamboo is seted up the shoulder hole and is supplied steam exhaust steam outlet, with the extending direction of the first end of an installation section of thick bamboo to second end is the reference direction, the aperture of shoulder hole reduces gradually, the shoulder hole with the cooperation of temperature sensing probe seat joint.
Further, the front end of outlet duct pass through second sealing connection spare with the first end sealing connection of connecting cylinder, the front end of outlet duct is equipped with the spheroid, the entry of outlet duct is located the spheroid, the through-hole has been seted up to second sealing connection spare, the aperture of through-hole is greater than the pipe diameter of outlet duct and is less than the diameter of spheroid, be equipped with the spring in the connecting cylinder, work as second sealing connection spare with during the first end sealing connection of connecting cylinder, place in the spheroid just can wind in the connecting cylinder rotates, the one end of spheroid with the sealed butt of second sealing connection spare, the other end of spheroid with the spring butt, the spring be used for the spheroid provides the edge the elastic force that second sealing connection spare is close to.
Compared with the prior art, the beneficial effects of the utility model reside in that:
by arranging the high water level sensor, the heating water level sensor and the heating element in the heating container of the steam tea extracting all-in-one machine of the utility model, the high water level sensor, the heating water level sensor and the heating element are arranged in the heating container from top to bottom in sequence, when external cold water enters the heating liner, the heating element contacts with the cold water at first along with the rise of the water level of the cold water, then the heating water level sensor contacts with the cold water, and sends a signal to the control circuit of the steam tea extraction all-in-one machine to control the heating element to start heating the cold water after the heating water level sensor contacts with the cold water, when the water level contacts the high water level sensor, the injection of the external water source is stopped, and the heating element continuously heats cold water to increase the air pressure in the heating liner, so that a hot water area is formed below the high water level sensor, and a steam area is formed above the high water level sensor. The interface setting that cold water input tube and heating courage are connected is in the below of heating water level sensor, and the interface setting that hot water output tube and heating courage are connected is between high water level sensor and heating water level sensor, and the interface setting that steam output tube and heating courage link is in high water level sensor's top, and boiling water and steam are located the accurate layering of heating courage and make this equipment can accurate output boiling water and steam, and output boiling water and steam precision are higher.
Drawings
FIG. 1 is a schematic view of the whole structure of the steam tea-extracting integrated machine of the present invention;
FIG. 2 is a schematic view of the overall structure of the steam faucet of the present invention;
FIG. 3 is a schematic view of the overall perspective structure of the steam faucet of the present invention;
FIG. 4 is a schematic view of the exploded structure of the steam faucet of the present invention;
fig. 5 is a schematic view of the structure of the installation cylinder of the present invention.
In the figure: 10. a housing; 11. heating the liner; 111. a high water level sensor; 112. a heating water level sensor; 113. a heating element; 114. a drain pipe; 12. a cold water input pipe; 13. a hot water outlet pipe; 14. a steam output pipe; 15. a barometer; 16. a vacuum break valve; 17. a pneumatic pressure switch; 18. a safety relief valve; 19. a controller; 20. a self-locking inching button switch; 30. a display; 40. a steam tap; 41. a connecting cylinder; 42. an air outlet pipe; 43. a first sealing connection; 44. a steam inlet; 45. a temperature sensor; 451. a temperature sensing probe; 452. a temperature sensing probe base; 46. mounting the cylinder; 461. a stepped hole; 462. a steam outlet; 47. a second sealing connection; 48. a spring; 49. a spherical body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1, in order to make the steam tea-extracting integrated machine with a single heating liner 11 structure more accurate when outputting steam and boiled water respectively, the utility model discloses a steam tea-extracting integrated machine, which comprises a casing 10 and a heating liner 11 arranged in the casing 10 for heating cold water and forming steam, wherein the heating liner 11 is respectively communicated with a cold water input pipe 12 for inputting cold water and a hot water output pipe 13 and a steam output pipe 14 for outputting hot water and steam, the cold water input pipe 12 can be communicated with an external tap water source and can also be directly communicated with drinking water in a drinking barrel, and the position is not limited; in general, the cold water input pipe 12 is provided with a solenoid valve for connecting or disconnecting the cold water source and the inside of the heating chamber 11, and the hot water output pipe 13 and the steam output pipe 14 are respectively communicated with the hot water region and the steam region in the heating chamber 11 and respectively extend out of the housing 10 for the convenience of an operator.
In order to more accurately distinguish a hot water area and a steam area in the heating liner 11, a high water level sensor 111, a heating water level sensor 112 and a heating element 113 are arranged in the heating liner 11, the heating element 113 is preferably a steam electric heater, the high water level sensor 111, the heating water level sensor 112 and the heating element 113 are arranged in the heating liner 11 from top to bottom in sequence, in the using process, the electromagnetic valve on the cold water input pipe 12 is firstly opened, external cold water can enter the heating liner 11 through the cold water input pipe 12, the heating liner 11 is gradually ascended along with the cold water level, the heating element 113 is firstly contacted with the cold water, the heating water level sensor 112 is submerged in the heating element 113 and then contacted with the cold water, the heating element 113 is ensured not to be exposed to the air in the working process to cause the overheating damage of the heating element 113, and the heating element 112 is controlled by a control circuit which sends a signal to the steam tea extraction all-in-one machine after being contacted with the cold water The cold water is heated, when the water level continuously rises and contacts the high water level sensor 111, the high water level sensor 111 sends a sensing signal to a control circuit of the steam tea extraction all-in-one machine, then the control circuit sends a control signal to an electromagnetic valve of the cold water input pipe 12 to close the electromagnetic valve, an external water source is stopped from being continuously injected into the heating liner 11, the pressure in the heating liner 11 is continuously increased due to the fact that the heating element 113 continuously heats the cold water, a hot water area is formed below the high water level sensor 111, and a steam area is formed above the high water level sensor 111. The interface setting that cold water input tube 12 and heating courage 11 are connected is in the below of heating water level sensor 112, the interface setting that hot water output tube 13 and heating courage 11 are connected is between high water level sensor 111 and heating water level sensor 112, the interface setting that steam output tube 14 and heating courage 11 link is in high water level sensor 111's top, through setting up the interface of difference in the region that corresponds, make the output of boiling water and steam more accurate, satisfy different drinks, the demand of food preparation.
In order to avoid the situation that the water in the heating liner 11 is deteriorated under the condition that the steam tea extracting all-in-one machine is not used for a long time, the drain pipe 114 communicated with the external environment is arranged at the bottom of the heating liner 11, so that the water in the heating liner 11 can be conveniently drained and then new cold water can be poured into the heating liner.
Specifically, the heating liner 11 is further provided with a barometer 15, a vacuum breaker valve 16, a barometric pressure switch 17 and a safety relief valve 18, the barometer 15 is used for manually monitoring the internal barometric pressure of the heating liner 11, when the heating element 113 continuously heats cold water in the heating liner 11, the barometric pressure inside the heating liner is continuously increased due to the existence of the vacuum breaker valve 16, until the barometric pressure exceeds a barometric pressure value set by the barometric pressure switch 17, the barometric pressure switch 17 sends a signal to a control circuit of the steam tea-extracting all-in-one machine to control the heating liner 11 to stop heating, and at the moment, the safety relief valve 18 is opened to exhaust and reduce the pressure, so that the heating liner 11 is prevented from exploding.
The steam tea-extracting integrated machine further comprises a controller 19, and the heating element 113, the high water level sensor 111 and the heating water level sensor 112 are respectively electrically connected with the controller 19 and used for receiving induction signals of the high water level sensor 111 and the heating water level sensor 112 so as to send control signals to the heating element 113.
The hot water output pipe 13 and the steam output pipe 14 are respectively provided with a valve, and the valve on the hot water output pipe 13 and the valve on the steam output pipe 14 are respectively electrically connected with the controller 19; the housing 10 is provided with only two self-locking inching button switches 20 for controlling the valves of the hot water outlet pipe 13 and the steam outlet pipe 14 respectively.
The steam tea-extracting all-in-one machine also comprises a display 30 electrically connected with the controller 19 and used for displaying information such as water temperature and water quantity in the heating liner 11.
One end of the hot water output pipe 13 far away from the heating liner 11 is provided with a hot water faucet, and a bubbler is arranged on the hot water faucet.
As shown in FIGS. 2 to 5, a steam tap 40 is provided at one end of the steam output pipe 14 away from the heating tank 11; the steam tap 40 comprises a connecting cylinder 41, an air outlet pipe 42 and a first sealing connecting piece 43, a steam inlet 44 communicated with the heating liner 11 is formed in the side wall of the connecting cylinder 41, the steam inlet 44 is communicated with the inside of the connecting cylinder 41, the first end of the connecting cylinder 41 is hermetically connected with the front end of the air outlet pipe 42, the inlet of the air outlet pipe 42 is communicated with the inside of the connecting cylinder 41, the second end of the connecting cylinder 41 is hermetically connected with the first sealing connecting piece 43, a temperature sensor 45 used for sensing the temperature of the drink is arranged at the rear end of the air outlet pipe 42, a temperature sensing probe seat 452 of the temperature sensor 45 is embedded in the air outlet pipe 42, a temperature sensing probe 451 of the temperature sensor 45 is exposed out of the air outlet pipe 42, the temperature sensor 45 is provided with an electric wire electrically connected with the temperature sensing probe 451, and one end of the electric wire sequentially penetrates through the air outlet pipe 42.
In the conventional steam tea-extracting all-in-one machine, the temperature sensor 45 is exposed out of the air outlet tube 42, and in practice, the electric wire of the temperature sensor 45 is easily pulled to cause the electric wire and the probe to be in poor contact or separated, which affects the detection precision of the temperature sensor 45 and makes it difficult to ensure the normal use of the temperature sensor 45. in the utility model, the temperature sensing probe seat 452 of the temperature sensor 45 is embedded in the air outlet tube 42, the temperature sensing probe 451 of the temperature sensor 45 is exposed out of the air outlet tube 42, the temperature sensor 45 is provided with the electric wire electrically connected with the temperature sensing probe 451, one end of the electric wire sequentially passes through the air outlet tube 42, the connecting cylinder 41 and the first sealing connector 43 and then is connected with the control circuit of the steam tea-extracting all-in-one machine, i.e. the temperature sensing probe 451 is exposed out of the air outlet tube 42, and the temperature sensing probe seat 452 and the electric wire are embedded in the air outlet tube, thereby ensuring the detection precision and normal use of the temperature sensor 45.
The rear end of outlet duct 42 is equipped with installation section of thick bamboo 46, the first end of installation section of thick bamboo 46 can be dismantled with the rear end of outlet duct 42 and be connected, shoulder hole 461 and the steam outlet 462 that supplies steam exhaust have been seted up to the second end of installation section of thick bamboo 46, the extending direction of the first end of installation section of thick bamboo 46 to second end is the reference direction, the aperture of shoulder hole 461 reduces gradually, shoulder hole 461 and the cooperation of temperature sensing probe seat 452 joint, in order can install temperature sensing probe seat 452 stable in installation section of thick bamboo 46, avoid it to rock at will and influence the detection precision of temperature sensing probe 451.
The front end of outlet duct 42 passes through the first end sealing connection of second sealing connection 47 with connecting cylinder 41, the front end of outlet duct 42 is equipped with spheroid 49, spheroid 49 is located to the entry of outlet duct 42, the through-hole has been seted up to second sealing connection 47, the aperture of through-hole is greater than the pipe diameter of outlet duct 42 and is less than the diameter of spheroid 49, be equipped with spring 48 in the connecting cylinder 41, when the first end sealing connection of second sealing connection 47 and connecting cylinder 41, spheroid 49 is built in connecting cylinder 41 and can rotates around connecting cylinder 41, the one end of spheroid 49 and the sealed butt of second sealing connection 47, the other end and the spring 48 butt of spheroid 49, spring 48 is used for providing the elastic force that is close to along second sealing connection 47 for spheroid 49.
By providing the front end of the outlet pipe 42 as a spherical body 49 and making the aperture of the through hole of the second sealing joint member 47 larger than the pipe diameter of the outlet pipe 42 and smaller than the diameter of the spherical body 49, when the second sealing connection 47 is connected to the connector barrel 41, the spherical body 49 may rotate relative to the connector barrel 41, so that the user can freely adjust the installation angle of the air outlet pipe 42 for the convenience of the user, one end of the spherical body 49 is abutted with the spring 48, the other end is abutted with the second sealing connecting piece 47, when in a static state, the spherical body 49, under the abutting action of the spring 48 and the second sealing joint 47, ensures that the connection between the spherical body 49 and the second sealing joint 47 is relatively tight, thereby avoiding steam leakage from the connection position of the spherical body 49 and the second sealing joint 47, when the installation angle of the air outlet pipe 42 needs to be adjusted, the air outlet pipe 42 can be easily rotated.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A steam tea-extracting integrated machine comprises a shell and a heating liner arranged in the shell and used for heating cold water and forming steam, wherein the heating liner is respectively communicated with a cold water input pipe used for inputting cold water, a hot water output pipe and a steam output pipe used for outputting hot water and steam; the method is characterized in that:
a high water level sensor, a heating water level sensor and a heating element are arranged in the heating liner, and the high water level sensor, the heating water level sensor and the heating element are sequentially arranged in the heating liner from top to bottom; the interface that cold water input tube and heating courage are connected sets up the below of heating water level sensor, the interface that hot water output tube and heating courage are connected sets up high water level sensor with between the heating water level sensor, the steam output tube with the interface that the heating courage is connected sets up the top of high water level sensor.
2. The integrated machine of claim 1, wherein: and a drain pipe communicated with the external environment is arranged at the bottom of the heating liner.
3. The integrated machine of claim 1, wherein: the heating liner is also provided with a barometer, a vacuum breaker valve, an air pressure switch and a safety relief valve which are connected with the inner cavity of the heating liner.
4. The integrated machine of claim 1, wherein: the steam tea-extracting all-in-one machine further comprises a controller, and the heating element, the high water level sensor and the heating water level sensor are electrically connected with the controller respectively.
5. The integrated machine of claim 4, wherein: valves are respectively arranged on the hot water output pipe and the steam output pipe, and the valve on the hot water output pipe and the valve on the steam output pipe are respectively electrically connected with the controller; the shell is also provided with two self-locking inching button switches which are respectively used for controlling the valve of the hot water output pipe and the valve of the steam output pipe.
6. The integrated machine of claim 5, wherein: the steam tea extraction all-in-one machine further comprises a display electrically connected with the controller.
7. The integrated machine of claim 1, wherein: and a hot water faucet is arranged at one end of the hot water output pipe, which is far away from the heating liner, and a bubbler is arranged on the hot water faucet.
8. The integrated machine of claim 1, wherein: a steam tap is arranged at one end of the steam output pipe, which is far away from the heating liner; the steam tap comprises a connecting cylinder, an air outlet pipe and a first sealing connecting piece, the side wall of the connecting cylinder is provided with a steam inlet communicated with the heating liner, the steam inlet is communicated with the inside of the connecting cylinder, the first end of the connecting cylinder is hermetically connected with the front end of the air outlet pipe, the inlet of the air outlet pipe is communicated with the inside of the connecting cylinder, the second end of the connecting cylinder is hermetically connected with the first sealing connecting piece, the rear end of the air outlet pipe is provided with a temperature sensor for sensing the temperature of the beverage, a temperature sensing probe seat of the temperature sensor is embedded in the air outlet pipe, the temperature sensing probe of the temperature sensor is exposed out of the air outlet pipe, the temperature sensor is provided with an electric wire which is electrically connected with the temperature sensing probe, one end of the wire sequentially penetrates through the air outlet pipe, the connecting cylinder and the first sealing connecting piece and then is connected with a control circuit of the steam tea extracting all-in-one machine.
9. The integrated steam tea extraction machine of claim 8, wherein: the rear end of outlet duct is equipped with an installation section of thick bamboo, the first end of an installation section of thick bamboo with the connection can be dismantled to the rear end of outlet duct, the shoulder hole and the steam outlet that supplies steam exhaust have been seted up to the second end of an installation section of thick bamboo, with the extending direction of the first end of an installation section of thick bamboo to second end is the reference direction, the aperture of shoulder hole reduces gradually, the shoulder hole with the cooperation of temperature sensing probe seat joint.
10. The integrated steam tea extraction machine of claim 9, wherein: the front end of outlet duct through the second sealing connection piece with the first end sealing connection of connecting cylinder, the front end of outlet duct is equipped with the spheroid, the entry of outlet duct is located the spheroid, the through-hole has been seted up to the second sealing connection piece, the aperture of through-hole is greater than the pipe diameter of outlet duct and the diameter that is less than the spheroid, be equipped with the spring in the connecting cylinder, work as the second sealing connection piece with during the first end sealing connection of connecting cylinder, place in the spheroid place in just can wind in the connecting cylinder rotates, the one end of spheroid with the sealed butt of second sealing connection piece, the other end of spheroid with the spring butt, the spring is used for the spheroid provides the edge the elastic force that the second sealing connection piece is close to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186518.3U CN210810547U (en) | 2019-07-25 | 2019-07-25 | Steam tea extraction all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186518.3U CN210810547U (en) | 2019-07-25 | 2019-07-25 | Steam tea extraction all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210810547U true CN210810547U (en) | 2020-06-23 |
Family
ID=71274064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186518.3U Expired - Fee Related CN210810547U (en) | 2019-07-25 | 2019-07-25 | Steam tea extraction all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210810547U (en) |
-
2019
- 2019-07-25 CN CN201921186518.3U patent/CN210810547U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |