CN209436890U - Cooking apparatus - Google Patents

Cooking apparatus Download PDF

Info

Publication number
CN209436890U
CN209436890U CN201821693900.9U CN201821693900U CN209436890U CN 209436890 U CN209436890 U CN 209436890U CN 201821693900 U CN201821693900 U CN 201821693900U CN 209436890 U CN209436890 U CN 209436890U
Authority
CN
China
Prior art keywords
interior pot
block piece
elastic block
insulation cover
cooking apparatus
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
CN201821693900.9U
Other languages
Chinese (zh)
Inventor
陈旭辉
丁志辉
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.)
Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Original Assignee
Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
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 Zhejiang Supor Electrical Appliances Manufacturing Co Ltd filed Critical Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority to CN201821693900.9U priority Critical patent/CN209436890U/en
Application granted granted Critical
Publication of CN209436890U publication Critical patent/CN209436890U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Food-Manufacturing Devices (AREA)
  • Cookers (AREA)

Abstract

The utility model provides a kind of cooking apparatus comprising cooker body and lid.Interior pot and insulation cover are provided in the cooker body, the interior pot is located at the inside of the insulation cover, elastic block piece is provided on the insulation cover, the elastic block piece can move between initial position and offset position, interior pot baffle is provided on the outside of the interior pot, when the interior pot is placed in position, the elastic block piece is located at the initial position, the interior pot baffle can be against the elastic block piece, to prevent the interior pot rotation;The lid can be opened and closed to be set in the cooker body, to form cooking space between the lid and the interior pot.Cooking apparatus according to the present utility model, by the way that elastic block piece is arranged on insulation cover, interior pot baffle is provided on the outside of pot inside, when interior pot is placed in position, interior pot baffle can be against elastic block piece, elastic block piece can internally pot baffle be limited, can prevent agitating paddle from driving interior pot rotation during rotation.

Description

Cooking apparatus
Technical field
The utility model relates to fields of home appliance technology, and in particular to a kind of cooking apparatus.
Background technique
For the cooking apparatus with agitating function, some motors are mounted on lid, and agitating paddle is placed on interior pot by bracket In, if such structure drives interior pot and food one when the food larger or heavier-weight of viscosity when will lead to agitating paddle work Rotation is played, to reach mixing effect.
Accordingly, it is desirable to provide a kind of cooking apparatus, at least partly to solve the above problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more Protect range.
At least to be partially solved the above problem, the utility model discloses a kind of cooking apparatus comprising:
Cooker body is provided with interior pot and insulation cover in the cooker body, and the interior pot is located at the inside of the insulation cover, the guarantor It is provided with elastic block piece on temperature cover, the elastic block piece can move between initial position and offset position, the interior pot Outside is provided with interior pot baffle, and when the interior pot is placed in position, the elastic block piece is located at the initial position, the interior pot Baffle can be against the elastic block piece, to prevent the interior pot rotation;And
Lid, the lid can be opened and closed to be set in the cooker body, to be formed between the lid and the interior pot Cooking space.
Cooking apparatus according to the present utility model, by the way that elastic block piece is arranged on insulation cover, the outside setting of pot inside Have interior pot baffle, when interior pot is placed in position, interior pot baffle can against elastic block piece, elastic block piece can internally pot baffle into Row limit, can prevent agitating paddle from driving interior pot rotation during rotation.
Optionally, the lower part of the interior pot is arranged in the interior pot baffle, and extends along the vertical direction.
According to this programme, the structure of interior pot baffle is simple, the lower part of pot including interior pot baffle setting, in order to put interior pot It sets in cooker body.
Optionally, the cooker body includes ontology and middle board group part square on the body is arranged, and the insulation cover is arranged In the inside of the middle board group part, the elastic block piece extends to inside on the outside of the insulation cover.
According to this programme, elastic block piece extends to inside on the outside of insulation cover with can be on the outside of pot including setting Interior pot baffle.
Optionally, mounting assembly is provided on the insulation cover, the elastic block piece is arranged in the mounting assembly.
According to this programme, elastic block piece is mounted on insulation cover by mounting assembly.
Optionally, the mounting assembly includes bracket and the installation axle for being connected to the bracket, and the bracket passes through fastening Part is mounted on the insulation cover, and the elastic block piece can be rotatably set in the installation axle.
According to this programme, elastic block piece can be rotationally mounted on insulation cover around installation axle, the structure letter of mounting assembly It is single.
Optionally, the installation axle is horizontally extending.
According to this programme, elastic block piece can be around installation axle rotation be arranged horizontally at, in order to install interior pot.
Optionally, the bracket has first through hole, and the insulation cover has the second through-hole, one end of the elastic block piece Extend through the first through hole and second through-hole.
According to this programme, one end of elastic support extends through through-hole, with can be against the interior pot on the outside of pot including setting Baffle.
Optionally, the bracket has limiting section, and the two sides of the elastic block piece are arranged in the limiting section.
According to this programme, limiting section can limit elastic block piece and move along the length direction of installation axle.
Optionally, the bracket has at least two positioning columns, and at least two positioning column extends respectively through described Insulation cover.
According to this programme, positioning column can be positioned bracket, so that bracket is irremovable relative to insulation cover.
Optionally, the mounting assembly further includes elastic component, and the elastic component is arranged in the installation axle, the elasticity Part can apply the bias force towards the initial position to the elastic block piece.
According to this programme, elastic block piece can be located in initial position by elastic component.
Detailed description of the invention
The following drawings of the utility model embodiment is originally practical for understanding in this as a part of the utility model It is novel.Shown in the drawings of the embodiments of the present invention and its description, for explaining the principles of the present invention.In attached drawing In,
Fig. 1 is the stereoscopic schematic diagram of the cooking apparatus of a preferred embodiment of the utility model, and wherein lid is in Opening state;
Fig. 2 is the schematic cross-sectional view of the cooking apparatus in Fig. 1, and wherein lid is in close state, and elastic block piece is located at just Beginning position;
Fig. 3 is the perspective exploded view of the cooking apparatus in Fig. 1;
Fig. 4 is the sectional perspective decomposition diagram of the cooking apparatus in Fig. 1, wherein illustrating only insulation cover, mounting assembly And elastic block piece;And
Fig. 5 is the perspective exploded view of the mounting assembly and elastic block piece in Fig. 4;
Fig. 6 is the partial schematic diagram of the cooking apparatus in Fig. 1, wherein mounting assembly and elastic block piece are illustrated only, elasticity Baffle is located at initial position;
Fig. 7 is the partial schematic sectional view of the cooking apparatus in Fig. 1;
Fig. 8 is another partial schematic sectional view of the cooking apparatus in Fig. 1, and wherein elastic block piece is located at initial position.
Description of symbols:
100: cooking apparatus 110: cooker body
111: ontology 112: middle board group part
120: lid 121: driving member
122: motor 130: interior pot
131: interior pot baffle 133: agitating paddle
134: connector 135: support frame
136: pot mouth attachment portion 137: support portion
138: supported hole 140: insulation cover
141: the second through-holes 142/143: through-hole
150: elastic block piece 151/166a: positive stop end
152: positioning end 153: limiting slot
160: mounting assembly 161: bracket
162: installation axle 163: first through hole
164: limiting section 165: positioning column
166: elastic component 166b: card base
167: screw column screw 168: locating slot
169: card slot 171: fastener
133a: stirring blade
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for Some technical characteristics well known in the art are not described.
In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, originally The execution of utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.
The utility model discloses a kind of cooking apparatus 100.The cooking apparatus 100 can be electric cooker, electric pressure cooking saucepan etc. Any suitable cooking apparatus.Cooking apparatus 100 can have a variety of culinary art modes, such as mode of cooking, mode of cooking congee, Baoshang Mode etc..
As depicted in figs. 1 and 2, cooking apparatus 100 mainly may include cooker body 110 and lid 120.Lid 120 is retractable Ground is set in cooker body 110.The substantially rounded rectangular shape of cooker body 110, and the incorporating section with such as cylindrical shape. Interior pot 130 and insulation cover 140 can be equipped with by setting in cooker body 110, and interior pot 130 is located at the inside of insulation cover 140.Interior pot 130 can be with It is configured to freely be put into incorporating section or takes out the cleaning to facilitate internal pot 130 from incorporating section, be also configured as solid Due to cooker body 110.Interior pot 130 is for holding material to be heated, rice, soup etc..When the lid of lid 120 closes in cooker body 110 When, cooking space is capable of forming between lid 120 and interior pot 130.In addition, be also provided in cooker body 110 heating device and Control device.Generally, heating device can be located at interior 130 lower section of pot and/or side, be carried out with the food in internal pot 130 Heating.User can control the cooking operation of cooking apparatus 100 by control device.
In the present invention, as shown in Figures 2 and 3, the outside of interior pot 130 is provided with interior pot baffle 131.Interior pot 130 Outside multiple interior pot baffles 131 spaced apart can be set.The lower part of pot 130 including interior pot baffle 131 can be set, and Extend along the vertical direction.Specifically, interior pot baffle 131 is it is so structured that the plate structure extended along the vertical direction.More specifically, Interior pot baffle 131 can be welded on interior pot 130.
Preferably, the projection of interior pot baffle 131 in the horizontal plane is located at interior pot 130 in the projection on the horizontal plane Side.That is, the lateral surface of interior pot baffle 131 is located at the inside at the edge of the maximum cross section of interior pot 130, thus, it is possible to just It is placed in cooker body 110 in by interior pot 130, and interior pot baffle 131 will not additionally occupy the space inside cooker body 110.It needs It is bright, it is flat with the central axis of interior pot 130 when " horizontal plane " herein refers to that interior pot 130 is placed in cooker body 110 Face.
Accordingly, elastic block piece 150 is provided on insulation cover 140, elastic block piece 150 can be in initial position and offset bit It is moved between setting, when interior pot 130 is placed in position, elastic block piece 150 is located at initial position, and interior pot baffle 131 can be against bullet Property baffle 150, to prevent interior pot 130 from rotating.As is depicted in figures 2 and 8, elastic block piece 150 is located at initial position, as described in Figure 7, Elastic block piece is located at offset position.Elastic block piece 150 is rotated in a clockwise direction certain angle from initial position and is moved to partially Seated position.
With continued reference to Fig. 2 and Fig. 3, cooker body 110 may include ontology 111 and the middle board group part that 111 top of ontology is arranged in 112, the inside of middle board group part 112 is arranged in insulation cover 140, and elastic block piece 150 extends to inside from the outside of insulation cover 140.
As shown in Figures 2 to 6, mounting assembly 160 can be set on insulation cover 140, the setting of elastic block piece 150 is being installed On component 160.Specifically, mounting assembly 160 includes bracket 161 and the installation axle 162 for being connected to bracket 161.Bracket 161 passes through Fastener 171 is mounted on insulation cover 140.Installation axle 162 can be horizontally extending.Elastic block piece 150 is rotatably set It sets in installation axle 162.Specifically, there are two screw columns 167 spaced apart, insulation cover 140 to have through-hole 143 for the tool of bracket 161, Through-hole 143 being passed through for example, by the fastener 171 of screw and being screwed in the inside of screw column 167, bracket 161 is installed On insulation cover 140.Installation axle 162 can extend through elastic block piece 150, and the both ends of installation axle 162 can be fixed on branch The two sides of frame 161, elastic block piece 150 is mounted on insulation cover 140, and elastic block piece 150 can be revolved around installation axle 162 Turn.
Bracket 161 can have first through hole 163, and insulation cover 140 has the second through-hole 141, one end of elastic block piece 150 Extend through first through hole 163 and the second through-hole 141.Specifically, first through hole 163 and the second through-hole 141 are it is so structured that edge The elongate holes that vertical direction extends.Elastic block piece 150 is it is so structured that plate structure.Elastic block piece 150 has positive stop end 151 With positioning end 152, positive stop end 151 is located at the top of positioning end 152, and it is logical that the positive stop end 151 of elastic block piece 150 extends through first Hole 163 and the second through-hole 141, and positive stop end 151 can be against the interior pot baffle 131 of interior pot 130, to prevent interior pot 130 from revolving Turn.In addition, bracket 161 also has locating slot 168, the positioning end 152 of elastic block piece 150 is limited in locating slot 168, so that Elastic block piece 150 is only capable of being rotated in a clockwise direction around installation axle 162.
Bracket 161 has limiting section 164, and the two sides of elastic block piece 150 are arranged in limiting section 164.Illustratively show in Fig. 5 The tool of bracket 161 is gone out there are two limiting section 164, limiting section 164 extends along the vertical direction.Two limiting sections 164 are arranged in elasticity The two sides of baffle 150, and can be located between two screw columns 167.Limiting section 164 can limit elastic block piece 150 along peace The length direction for filling axis 162 is mobile.
Bracket 161 can also have at least two positioning columns 165, and at least two positioning columns 165 extend respectively through heat preservation Cover 140.Specifically, in the present embodiment, there are two positioning columns 165 for the tool of bracket 161, and two positioning columns 165 can be along level Direction interval is arranged, and can be correspondingly provided with two through-holes 142 on insulation cover 140, and positioning column 165 extends through through-hole 142, To be positioned to bracket 161.
As shown in Figure 3, Figure 5 and Figure 6, mounting assembly 160 further includes elastic component 166, and elastic component 166 is arranged in installation axle On 162, elastic component 166 can apply the active force towards initial position to elastic block piece 150.Specifically, elastic component 166 can be with For torsional spring.Elastic component 166 includes positive stop end 166a and two card base 166b.The positioning end 152 of elastic block piece 150 can have limit Position slot 153, bracket 161 can have two card slots 169, and the positive stop end 166a of elastic component 166 limits the bullet in limiting slot 153 Property part 166 two card base 166b limit in card slot 169 so that the positive stop end 166a of elastic component 166 applies elastic block piece 150 Elastic block piece 150 is located in initial position by plus-pressure.
Cooking apparatus according to the present utility model can rotate interior pot after interior pot 130 is placed in insulation cover 140 130, so that the interior pot baffle 131 of interior pot 130 is against to elastic block piece 150, when cooking apparatus work, it can prevent interior pot 130 rotations.
As shown in fig. 7, may have the interior pot baffle 131 and elastic block piece 150 of interior pot 130 when installing interior pot 130 The case where projection in the horizontal direction is overlapped, i.e., interior pot baffle 131 are located at the surface of elastic block piece 150, at this time interior pot baffle 131 apply downward pressure to elastic block piece 150, so that elastic block piece 150 rotates clockwise offset bit around installation axle 162 It sets.As shown in figure 8, elastic block piece 150 rotates under the action of the bias force of elastic component 166 after interior pot 130 is placed in position Initial position.
Referring back to Fig. 1 and Fig. 2, driving member 121 and the electricity for driving driving member 121 to rotate are provided on lid 120 Machine 122.Motor 122 can be located in lid 120, and driving member 121 is connected to motor 122 and at least partly protrudes from lid 120 inner surface (in particular to the surface of the inward-facing pot 130 of lid 120).Specifically, motor 122 can have drive shaft, The upper end of driving member 121 is connected to drive shaft, so that the rotation of drive shaft is able to drive the rotation of driving member 121 when motor 122 works Turn.
Agitating paddle 133 and connector 134 are provided in interior pot 130.The top of agitating paddle 133 is arranged in connector 134.Even The one end (such as lower end) for connecing device 134 is connect with agitating paddle 133, the other end (such as upper end) and driving member 121 of connector 134 It is separably attached, so that motor 122 can drive agitating paddle 133 to rotate.Specifically, in connector 134 and driving member 121 One can have internal spline, another in connector 134 and driving member 121 can have external splines, when lid 120 cover It closes when in cooker body 110, internal spline can cooperate with external splines, so that connector 134 separably connects with driving member 121 It connects.More specifically, agitating paddle 133 may include at least one stirring blade 133a.Stirring blade 133a can be structured as substantially Radial direction along interior pot 130 extends.When agitating paddle 133 rotates, the rotation of stirring blade 133a can act on interior pot 130 In food, be stirred with the food in internal pot 130.
Cooking apparatus can also include support frame 135.Support frame 135 includes pot mouth attachment portion 136 and is connected to pot mouth and connects The support portion 137 in attached portion 136.Including pot mouth attachment portion 136 is arranged above the oral area of pot 130.Specifically, pot mouth attachment portion 136 It can along the circumferential direction be overlapped on above the oral area of interior pot 130.Support portion 137 has supported hole 138.Supported hole 138 is located at branch The center position of support part 137 is located substantially at the center position of interior pot 130.Connector 134 passes through supported hole 138.Support Connector 134 can be limited and be maintained at vertical direction in supported hole 138, and by connector 134 by portion 137, can be incited somebody to action with this Agitating paddle 133 is supported in interior pot 130, and can be guaranteed when lid 120 is covered and closed in cooker body 110, the interior flower of driving member 121 Bond energy enough cooperates with the external splines of connector.
Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied in combination another embodiment individually or with other feature, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.
The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (10)

1. a kind of cooking apparatus characterized by comprising
Cooker body is provided with interior pot and insulation cover in the cooker body, and the interior pot is located at the inside of the insulation cover, the insulation cover On be provided with elastic block piece, the elastic block piece can move between initial position and offset position, the outside of the interior pot It is provided with interior pot baffle, when the interior pot is placed in position, the elastic block piece is located at the initial position, the interior pot baffle It can be against the elastic block piece, to prevent the interior pot rotation;And
Lid, the lid can be opened and closed to be set in the cooker body, to form culinary art between the lid and the interior pot Space.
2. cooking apparatus according to claim 1, which is characterized in that the interior pot baffle is arranged under the interior pot Portion, and extend along the vertical direction.
3. cooking apparatus according to claim 1, which is characterized in that the cooker body includes ontology and is arranged in the ontology The middle board group part of top, the insulation cover are arranged in the inside of the middle board group part, and the elastic block piece is from the insulation cover Outside extends to inside.
4. cooking apparatus according to claim 3, which is characterized in that mounting assembly is provided on the insulation cover, it is described Elastic block piece is arranged in the mounting assembly.
5. cooking apparatus according to claim 4, which is characterized in that the mounting assembly includes bracket and is connected to described The installation axle of bracket, the bracket are mounted on the insulation cover by fastener, and the elastic block piece can be rotatably set in In the installation axle.
6. cooking apparatus according to claim 5, which is characterized in that the installation axle is horizontally extending.
7. cooking apparatus according to claim 5, which is characterized in that the bracket has first through hole, the insulation cover With the second through-hole, one end of the elastic block piece extends through the first through hole and second through-hole.
8. cooking apparatus according to claim 5, which is characterized in that the bracket has limiting section, and the limiting section is set It sets in the two sides of the elastic block piece.
9. cooking apparatus according to claim 5, which is characterized in that the bracket has at least two positioning columns, described At least two positioning columns extend respectively through the insulation cover.
10. cooking apparatus according to claim 5, which is characterized in that the mounting assembly further includes elastic component, the bullet Property part be arranged in the installation axle, the elastic component can to the elastic block piece apply towards the initial position biasing Power.
CN201821693900.9U 2018-10-18 2018-10-18 Cooking apparatus Expired - Fee Related CN209436890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821693900.9U CN209436890U (en) 2018-10-18 2018-10-18 Cooking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821693900.9U CN209436890U (en) 2018-10-18 2018-10-18 Cooking apparatus

Publications (1)

Publication Number Publication Date
CN209436890U true CN209436890U (en) 2019-09-27

Family

ID=68009749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821693900.9U Expired - Fee Related CN209436890U (en) 2018-10-18 2018-10-18 Cooking apparatus

Country Status (1)

Country Link
CN (1) CN209436890U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110786724A (en) * 2019-11-29 2020-02-14 崔世梅 Multifunctional automatic cooker
CN111035228A (en) * 2019-12-31 2020-04-21 深圳市繁兴技术服务有限公司 Cooking method and apparatus thereof
US11925291B2 (en) 2020-06-09 2024-03-12 Instant Brands Holdings Inc. Pot lid assembly and cooking utensil
US12121183B2 (en) 2020-06-09 2024-10-22 Ib Appliances Us Holdings Llc Pot lid assembly and cooking utensil

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110786724A (en) * 2019-11-29 2020-02-14 崔世梅 Multifunctional automatic cooker
CN110786724B (en) * 2019-11-29 2021-10-19 浙江旺潮科技有限公司 Multifunctional automatic cooker
CN111035228A (en) * 2019-12-31 2020-04-21 深圳市繁兴技术服务有限公司 Cooking method and apparatus thereof
CN111035228B (en) * 2019-12-31 2021-06-22 深圳市繁兴技术服务有限公司 Cooking method and apparatus thereof
US11925291B2 (en) 2020-06-09 2024-03-12 Instant Brands Holdings Inc. Pot lid assembly and cooking utensil
US12121183B2 (en) 2020-06-09 2024-10-22 Ib Appliances Us Holdings Llc Pot lid assembly and cooking utensil

Similar Documents

Publication Publication Date Title
CN209436890U (en) Cooking apparatus
CN107684357B (en) Pressure air fryer
CN201200323Y (en) Kettle for heating, stirring and foaming milk
WO2006107310A1 (en) Self stirring, heating and cooking assembly having interchangeable stirring devices
CN107361623A (en) Cooking apparatus
JPH10108786A (en) Automatic cooking irregularity prevention device
CN209377296U (en) Cooking apparatus
CN206044340U (en) Cooking apparatus
CN207590475U (en) Cooking apparatus
CN209377297U (en) Cooking apparatus
CN204670952U (en) A kind of air heat formula cooker with detachable stirring structure
CN208286882U (en) Cooking apparatus
CN208725475U (en) Cooking apparatus
EP0749268A1 (en) Turn table moving apparatus of microwave oven
CN208286837U (en) Cooking apparatus
CN207323275U (en) Cooking apparatus
CN107174110B (en) porridge cooking machine
CN211270218U (en) Air frying pan
CN209377303U (en) Cooking apparatus
CN211432406U (en) Vertical barbecue oven
CN209391661U (en) Cooking apparatus
CN207784927U (en) A kind of electric cooker with agitating device
KR200371366Y1 (en) Agitating device for making food
CN207590476U (en) Cooking apparatus
CN208640356U (en) Cooking apparatus

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: 20190927