CN214548691U - A water cup with adjustable insulation state and non-insulation state - Google Patents

A water cup with adjustable insulation state and non-insulation state Download PDF

Info

Publication number
CN214548691U
CN214548691U CN202120367962.6U CN202120367962U CN214548691U CN 214548691 U CN214548691 U CN 214548691U CN 202120367962 U CN202120367962 U CN 202120367962U CN 214548691 U CN214548691 U CN 214548691U
Authority
CN
China
Prior art keywords
cup
hole
insulation state
thermal insulation
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120367962.6U
Other languages
Chinese (zh)
Inventor
邱锦东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202120367962.6U priority Critical patent/CN214548691U/en
Application granted granted Critical
Publication of CN214548691U publication Critical patent/CN214548691U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Table Devices Or Equipment (AREA)

Abstract

本实用新型公开一种保温状态与非保温状态可调的水杯,其包括杯盖与杯身,杯盖与杯身对应连接,杯身内由一分隔层分隔为保温区和不保温区,杯身的上端设有入水口和密闭式活接头,入水口连通保温区,一中空水管与密闭式活接头转动配合,中空水管上端为出水口,中空水管的下端具有一球型接触面,球型接触面与分隔层紧密接触的外圆周上设有第一通孔和第二通孔,第一通孔、第二通孔和中空水管的空腔三者互通,分隔层对应第一通孔设有保温通道与保温区连通,分隔层对应第二通孔设有不保温通道与不保温区连通,第一通孔和第二通孔不在该外圆周的同一条直径上,通过转动中空水管带动球型接触面改变与分隔层的相对接触状态以控制杯身内液体的流通。本实用新型兼具二者优点为使用者在不同的场景下带来选择的便利。

Figure 202120367962

The utility model discloses a water cup with adjustable insulation state and non-insulation state, which comprises a cup cover and a cup body, the cup cover and the cup body are connected correspondingly, and the cup body is divided into a heat preservation area and a non-insulation area by a separation layer. The upper end of the water pipe is provided with a water inlet and a closed joint, the water inlet is connected to the insulation area, a hollow water pipe is rotated and matched with the closed joint, the upper end of the hollow water pipe is a water outlet, and the lower end of the hollow water pipe has a spherical contact surface, the spherical contact surface A first through hole and a second through hole are arranged on the outer circumference where the surface is in close contact with the separation layer. The first through hole, the second through hole and the cavity of the hollow water pipe communicate with each other, and the separation layer is provided with a corresponding first through hole. The heat preservation channel is communicated with the heat preservation area, and the second through hole of the separation layer is provided with a non-insulated channel to communicate with the non-insulated area. The first through hole and the second through hole are not on the same diameter of the outer circumference, and the ball is driven by rotating the hollow water pipe. The type contact surface changes the relative contact state with the separation layer to control the flow of liquid in the cup body. The utility model has both advantages and brings convenience for users to choose in different scenarios.

Figure 202120367962

Description

Water cup with adjustable heat preservation state and non-heat preservation state
Technical Field
The utility model relates to a heat preservation drinking cup technical field especially relates to a heat preservation state and non-heat preservation state adjustable drinking cup.
Background
The cups used by people at present can be divided into heat-preservation cups and non-heat-preservation cups. Each having its own advantages and disadvantages. People sometimes want the water cup to have a heat preservation function when using the cup. For example, cold or hot tea is more desirable to fill into a thermos cup if it is desired to still drink the cold or hot tea for an extended period of time. Sometimes it is desirable to do without heat preservation. For example, in winter, a user can take a water cup to walk around in the morning, the user mainly wants to warm hands with the water cup, or when tea water is just brewed, the temperature is high, and the user wants to drink tea in the cup in the morning, so that the user can use the water cup without heat preservation better.
Disclosure of Invention
An object of the utility model is to provide a heat preservation state and non-heat preservation state adjustable drinking cup.
The utility model adopts the technical proposal that:
a cup with adjustable heat preservation state and non-heat preservation state comprises a cup cover and a cup body, wherein the cup cover is correspondingly connected with the cup body, the cup body is divided into an upper heat preservation area and a lower non-heat preservation area by a separation layer, the upper end surface of the cup body is provided with a water inlet and a closed movable joint, the water inlet is communicated with the heat preservation area, the water inlet is provided with an end cap, a hollow water pipe is in rotating fit with the closed movable joint, the upper end of the hollow water pipe is provided with a water outlet, the lower end of the hollow water pipe is provided with a spherical contact surface, the spherical contact surface is partially embedded into the separation layer, the outer circumference of the spherical contact surface, which is in close contact with the separation layer, is provided with a first through hole and a second through hole, the first through hole, the second through hole and the cavity of the hollow water pipe are communicated, the separation layer is provided with a heat preservation channel corresponding to the first through hole and communicated with the heat preservation area, the separation layer is provided with a non-heat preservation channel corresponding to the second through hole and communicated with the non-preservation area, the first through hole and the second through hole are not located on the same diameter of the outer circumference, and the hollow water pipe is rotated to drive the spherical contact surface to change the relative contact state with the separation layer so as to control the circulation of liquid in the cup body.
Furthermore, as a preferred embodiment, a gear adjusting lug is arranged on the outer peripheral wall of the upper end of the hollow water pipe, which corresponds to the water outlet, an indicating arrow is arranged on the gear adjusting lug, and a gear mark which is matched with the indicating arrow and indicates different communication states is arranged on the periphery of the cup body, which corresponds to the closed movable joint.
Further, as a preferred embodiment, the outer side wall of the water inlet is provided with an outer tooth structure, and the plug is provided with an inner tooth structure matched with the outer tooth structure. The inner part of the plug is provided with a rubber ring for sealing.
Further, as a preferred embodiment, the outer tooth structure of the water inlet is integrally formed with the cup body.
Further, as a preferred embodiment, the spherical contact surface is formed by adopting a heat-insulating ceramic material.
Furthermore, as a preferred implementation mode, the bottom surface of the hollow water cup corresponding to the closed movable joint is sleeved with a limiting ring, and the limiting ring limits the displacement of the hollow water pipe in the vertical direction so as to ensure that the spherical contact surface is in close contact with the separation layer.
Furthermore, as a preferred implementation mode, the cup further comprises a cup cover, and the cup cover is detachably connected with and covers the upper end surface of the cup body.
Furthermore, as a preferred embodiment, the bottom of the cup body is provided with a detachable bottom cover, and the non-heat-preservation area can be conveniently cleaned after the bottom cover is detached.
Further, as a preferred embodiment, a water level indicator is arranged on each side wall of the heat preservation area and the non-heat preservation area. The upper end water gap of the water level indicator is arranged close to the top of the upper end surface of each area, and the lower end water gap of the water level indicator is arranged close to the bottom surface of the corresponding area.
Furthermore, as a preferred embodiment, the inner wall of the cup body corresponding to the heat preservation area is provided with a heat preservation coating.
The utility model adopts the above technical scheme, can unscrew the upper end bowl cover, once only fill up the beverage toward two districts. Or the plug with the inner teeth and the rubber ring is unscrewed, and hot water is filled into the heat preservation area from the water inlet with the outer teeth. The water inlet is closed again. Set up the ball-type contact surface and cooperate with the separate layer, through rotating the different passageways butt joints that communicate heat preservation district or do not heat preservation district in cavity water pipe realization ball-type contact surface and the separate layer, and then realize the switching and the intercommunication in heat preservation district and the district that does not keep warm for can drink heat preservation water or not heat preservation water through the cavity water pipe according to actual need. The utility model discloses combine the thermos cup with the not thermos cup the two for have the convenience of the two advantage simultaneously and bring the selection for the user under the scene of difference.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
FIG. 1 is a schematic structural view of a cup with adjustable thermal insulation state and non-thermal insulation state;
FIG. 2 is a schematic view of the upper end surface of the cup body of the present invention;
FIG. 3 is a schematic top view of the upper end of the hollow water pipe of the present invention;
fig. 4 is a working diagram of the ball-type contact surface of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in one of figures 1 to 4, the utility model discloses a water cup with adjustable heat preservation state and non-heat preservation state, which comprises a cup cover and a cup body 1, wherein the cup cover is correspondingly connected with the cup body 1, the cup body 1 is divided into an upper heat preservation area 6 and a lower non-heat preservation area 7 by a separation layer 5, the upper end surface of the cup body 1 is provided with a water inlet 2 and a closed movable joint 3, the water inlet 2 is communicated with the heat preservation area 6, the water inlet 2 is provided with a plug 21, a hollow water pipe 4 is rotationally matched with the closed movable joint 3, the upper end of the hollow water pipe 4 is a water outlet, the lower end of the hollow water pipe 4 is provided with a spherical contact surface 8, the spherical contact surface 8 is partially embedded into the separation layer 5, the outer circumference of the spherical contact surface 8 in close contact with the separation layer 5 is provided with a first through hole a and a second through hole b, the first through hole a, the second through hole b and the hollow water pipe 4 are communicated with each other, the separate layer 5 corresponds first through-hole a and is equipped with heat preservation passageway and heat preservation district 6 intercommunication, and separate layer 5 should second through-hole b be equipped with not heat preservation passageway and not heat preservation district 7 intercommunication, and first through-hole a and second through-hole b do not on this outer circumference same diameter, through rotating cavity water pipe 4 drive the circulation of the relative contact state of ball-type contact surface 8 change with the interior liquid of separate layer 5 in order to control cup body 1.
Furthermore, as a preferred embodiment, a gear adjusting lug 10 is arranged on the outer peripheral wall of the upper end of the hollow water pipe 4 corresponding to the water outlet, an indicating arrow is arranged on the gear adjusting lug 10, and a gear mark matched with the indicating arrow and indicating different communication states is arranged on the outer periphery of the cup body 1 corresponding to the closed movable joint 3.
Further, as a preferred embodiment, the outer side wall of the water inlet 2 has an external tooth structure, the plug 21 is provided with an internal tooth structure which is matched with the external tooth, and the inside of the plug is provided with a sealing rubber ring.
Further, as a preferred embodiment, the outer teeth structure of the water inlet 2 is integrally formed with the cup body 1.
Further, as a preferred embodiment, the ball-shaped contact surface 8 is formed by using a heat-insulating ceramic material.
Further, as a preferred embodiment, the hollow water cup is sleeved with a limiting ring 11 corresponding to the bottom surface of the closed movable joint 3, and the limiting ring 11 limits the displacement of the hollow water pipe 4 in the vertical direction, so as to ensure that the spherical contact surface 8 is in close contact with the separation layer 5.
Furthermore, as a preferred embodiment, the cup further comprises a cup cover 13, and the cup cover 13 is detachably connected with and covers the upper end surface of the cup body 1.
Further, as a preferred embodiment, the bottom of the cup body 1 is provided with a detachable bottom cover 14, and the non-heat-preservation area 7 can be cleaned conveniently after the bottom cover 14 is detached.
Further, as a preferred embodiment, a water level indicator is provided on each of the side walls of the heat-retaining section 6 and the heat-retaining section 7, namely, a heat-retaining section water level indicator 15 and a heat-retaining section water level indicator 16. The upper end water gap of the water level indicator is arranged close to the top of the upper end surface of each area, and the lower end water gap of the water level indicator is arranged close to the bottom surface of the corresponding area.
Further, as a preferred embodiment, the cup body 1 has a heat preservation coating on the inner wall of the heat preservation area 6.
The following is a detailed description of the specific working principle of the present invention:
as shown in fig. 4, the spherical contact surface 8 is provided with a first through hole a for abutting against the heat preservation passage at the position of the separation layer a to communicate with the heat preservation region, and the spherical contact surface 8 is provided with a second through hole b for abutting against the non-heat passage at the position of the separation layer C to communicate with the non-heat region. The hollow water pipe 4 is rotated through the gear adjusting lug 10, and then the relative positions of the first through hole a and the first through hole b of the spherical contact surface 8 and the separating layer are driven to change, and the specific conditions are illustrated as follows by taking tea making as an example:
1) when the first through hole a and the first through hole b of the spherical contact surface 8 are respectively superposed with the E, B positions, the vacuum cup is in a closed state, and water is filled from the water inlet 2 to the heat preservation area 6 in the cup.
2) When the first through hole a and the first through hole b of the spherical contact surface 8 are respectively overlapped with the A, C positions, the heat preservation area is communicated with the heat-retaining area, and the liquid in the heat preservation area flows into the heat-retaining area. After the tea is brewed, the tea is introduced into a non-heat-preservation area for cooling.
3) When the first through hole a and the first through hole b of the spherical contact surface 8 are respectively overlapped with the B, D positions, the vacuum cup is in a closed state, and liquid can not flow out of the hollow water pipe even if the cup is overturned. When the temperature of the non-heat-preservation area is reduced, the areas are sealed for drinking.
4) When the first through hole a and the first through hole b of the spherical contact surface 8 are respectively overlapped with the C, E positions, the hollow water pipe is communicated with the non-heat preservation area, and the user can drink tea at a proper temperature in the non-heat preservation area.
5) When the first through hole a and the first through hole b of the spherical contact surface 8 are respectively overlapped with the D, A positions, the hollow water pipe is communicated with the heat preservation area at the moment, and a user can drink tea in the heat preservation area 6. The tea is brewed for a long time, and the tea in the heat preservation area can be directly drunk, so that the tea can not be cooled in the heat preservation area 7.
If the tea in the heat preservation area 6 is still hot, the spherical contact surface 8 can rotate horizontally 360 degrees freely, so that the tea can be returned from 4) to 3) to 2) and then fed into 3) for drinking and fed into 4) for drinking. After drinking the tea in the cup, the tea can be circulated to 1) and then hot water is injected for making tea.
In order to visually indicate the five different situations, 5 gear marks which are matched with the indicating arrow and indicate different communication states are arranged on the periphery of the cup body 1 corresponding to the closed movable joint 3, so that a user can conveniently select and use the cup according to requirements.
The utility model adopts the above technical scheme, can unscrew upper end bowl cover 13, once only fill up the beverage toward two districts. Alternatively, the plug 21 with the inner teeth and the rubber ring can be unscrewed, and hot water is filled into the heat preservation area 6 from the water inlet 2 with the outer teeth. Closing the water inlet 2 again. Set up ball-type contact surface 8 and cooperate with separate layer 5, through rotating cavity water pipe 4 and realize that intercommunication heat preservation district 6 or the different passageways butt joint of not heat preservation district 7 in ball-type contact surface 8 and the separate layer 5, and then realize heat preservation district 6 and the switching and the intercommunication of not heat preservation district 7 for can drink heat preservation water or not heat preservation water according to actual need through cavity water pipe 4. The utility model discloses combine the thermos cup with the not thermos cup the two for have the convenience of the two advantage simultaneously and bring the selection for the user under the scene of difference.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (10)

1.一种保温状态与非保温状态可调的水杯,其特征在于:其包括杯盖与杯身,所述杯盖与杯身对应连接,杯身内由一分隔层分隔为上层的保温区和下层的不保温区,杯身的上端端面设有入水口和密闭式活接头,入水口连通保温区,入水口设置有堵头,一中空水管与密闭式活接头转动配合,中空水管上端为出水口,中空水管的下端具有一球型接触面,球型接触面部分嵌入分隔层,球型接触面与分隔层紧密接触的外圆周上设有第一通孔和第二通孔,第一通孔、第二通孔和中空水管的空腔三者互通,分隔层对应第一通孔设有保温通道与保温区连通,分隔层对应第二通孔设有不保温通道与不保温区连通,第一通孔和第二通孔不在该外圆周的同一条直径上,通过转动中空水管带动球型接触面改变与分隔层的相对接触状态以控制杯身内液体的流通。1. A water cup with adjustable insulation state and non-insulation state, characterized in that: it comprises a cup cover and a cup body, the cup cover and the cup body are correspondingly connected, and the cup body is divided into the upper insulation area and the upper layer by a partition layer. In the non-insulation area of the lower layer, the upper end face of the cup body is provided with a water inlet and a closed joint, the water inlet is connected to the insulation area, and the water inlet is provided with a plug. Nozzle, the lower end of the hollow water pipe has a spherical contact surface, the spherical contact surface is partially embedded in the separation layer, and the outer circumference where the spherical contact surface is in close contact with the separation layer is provided with a first through hole and a second through hole. The hole, the second through hole and the cavity of the hollow water pipe communicate with each other, the separation layer corresponding to the first through hole is provided with a heat preservation channel to communicate with the heat preservation area, and the separation layer corresponding to the second through hole is provided with a non-insulated channel to communicate with the non-insulated area. The first through hole and the second through hole are not on the same diameter of the outer circumference. By rotating the hollow water pipe, the spherical contact surface is driven to change the relative contact state with the separation layer to control the flow of liquid in the cup body. 2.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:中空水管的上端对应出水口的外周壁上设有挡位调节耳,挡位调节耳上设有指示箭头,杯身对应密闭式活接头的外周设有与指示箭头配合的指示不同连通状态的挡位标识。2. A water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1, characterized in that: the upper end of the hollow water pipe is provided with a gear adjustment ear on the outer peripheral wall of the corresponding water outlet, and the gear adjustment ear is provided with a gear adjustment ear. There are indicating arrows, and the outer periphery of the cup body corresponding to the closed joint is provided with gear marks indicating different communication states in cooperation with the indicating arrows. 3.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:入水口的外侧壁具有外牙结构,堵头上设有与外牙配合的内牙结构,堵头内部含有密封用橡胶圈。3. A water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1, characterized in that: the outer side wall of the water inlet has an outer tooth structure, and the plug is provided with an inner tooth structure that cooperates with the outer teeth, The plug contains a rubber ring for sealing. 4.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:入水口的外牙结构与杯身一体成型。4 . The water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1 , wherein the outer teeth structure of the water inlet is integrally formed with the cup body. 5 . 5.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:球型接触面采用隔热陶瓷材料成型。5 . The water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1 , wherein the spherical contact surface is formed of thermal insulation ceramic material. 6 . 6.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:中空水杯对应密闭式活接头的底面套设有限位圈,限位圈限制中空水管在竖直方向的位移,以保证球型接触面与分隔层的紧密接触。6. The water cup with adjustable insulation state and non-insulation state according to claim 1, characterized in that: the bottom surface of the hollow water cup corresponding to the closed joint is sleeved with a limit ring, and the limit ring restricts the hollow water pipe in the vertical direction. The displacement of the direction to ensure the close contact between the spherical contact surface and the separation layer. 7.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:其还包括一杯盖,杯盖可拆卸连接盖合于杯身上端面。7 . The water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1 , characterized in that: it further comprises a cup cover, and the cup cover is detachably connected to the end surface of the cup body. 8 . 8.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:杯身的底部具有一可拆卸的底盖,底盖拆卸后便于清理不保温区。8. The water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1, characterized in that: the bottom of the cup body has a detachable bottom cover, which is convenient to clean the non-thermal insulation area after the bottom cover is disassembled. 9.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:保温区和不保温区的侧壁上各设有一支水位指示器;水位指示器的上端水口接近各区上端面顶部设置,水位指示器的下端水口接近相应区底面设置。9. A water cup with adjustable insulation state and non-insulation state according to claim 1, characterized in that: a water level indicator is provided on the side walls of the insulation area and the non-insulation area; It is set close to the top of the upper end face of each zone, and the lower end of the water level indicator is set close to the bottom face of the corresponding zone. 10.根据权利要求1所述的一种保温状态与非保温状态可调的水杯,其特征在于:杯身对应保温区的内壁上具有保温涂层。10 . The water cup with adjustable thermal insulation state and non-thermal insulation state according to claim 1 , wherein the inner wall of the cup body corresponding to the thermal insulation area has a thermal insulation coating. 11 .
CN202120367962.6U 2021-02-09 2021-02-09 A water cup with adjustable insulation state and non-insulation state Expired - Fee Related CN214548691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120367962.6U CN214548691U (en) 2021-02-09 2021-02-09 A water cup with adjustable insulation state and non-insulation state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120367962.6U CN214548691U (en) 2021-02-09 2021-02-09 A water cup with adjustable insulation state and non-insulation state

Publications (1)

Publication Number Publication Date
CN214548691U true CN214548691U (en) 2021-11-02

Family

ID=78350884

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120367962.6U Expired - Fee Related CN214548691U (en) 2021-02-09 2021-02-09 A water cup with adjustable insulation state and non-insulation state

Country Status (1)

Country Link
CN (1) CN214548691U (en)

Similar Documents

Publication Publication Date Title
TWM326384U (en) Cold preserving pot
CN214548691U (en) A water cup with adjustable insulation state and non-insulation state
CN105686546A (en) Scald-preventing thermal insulating cup
CN107348787A (en) A kind of controllable temperature Double layer cup
CN201026083Y (en) Instant heating and instant cold thermos cup
CN203860931U (en) Cup enabling water temperature to be adjusted
CN110313778B (en) Heat insulation cup
CN205214875U (en) Binary thermos cup that adjusts temperature
CN203749090U (en) Quick-cooling vacuum cup
CN210493600U (en) cooling and thermal insulation dual water cup
CN223262671U (en) A scalding-proof container
CN205180977U (en) Can fast cold thermos cup
CN209436807U (en) A new type of fast thermos cup with double-layer inner liner
CN106333583B (en) It is a kind of to be easy to the horizontal dual temperature cup drunk
CN209171899U (en) Thermos mug with integrated warming function
CN111671282A (en) A direct drink thermos cup
CN207137054U (en) A kind of double volume amount children's feeding bottle
CN216494715U (en) Double-temperature cup
CN207306556U (en) Drip-type coffee brewing device and drip-type coffee brew external member
CN208784253U (en) a thermos cup
TWM609872U (en) Dual-use cup for heat preservation and cold preservation
CN106820986B (en) Drip type coffee brewing device and drip type coffee brewing kit
CN216187800U (en) Multifunctional tea cup
CN206699940U (en) A kind of thermos cup kettle cup lid with fast cooling and high temperature warning function
CN201536904U (en) A long-lasting heating and heat preservation combined double-layer tea bottle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211102

CF01 Termination of patent right due to non-payment of annual fee