CN209214193U - A kind of spliced refrigeration cylinder - Google Patents

A kind of spliced refrigeration cylinder Download PDF

Info

Publication number
CN209214193U
CN209214193U CN201822029382.7U CN201822029382U CN209214193U CN 209214193 U CN209214193 U CN 209214193U CN 201822029382 U CN201822029382 U CN 201822029382U CN 209214193 U CN209214193 U CN 209214193U
Authority
CN
China
Prior art keywords
refrigeration
male connector
spliced
unit
circulation portions
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
CN201822029382.7U
Other languages
Chinese (zh)
Inventor
刘羽天
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.)
Anhui Business College
Original Assignee
Anhui Business College
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 Anhui Business College filed Critical Anhui Business College
Priority to CN201822029382.7U priority Critical patent/CN209214193U/en
Application granted granted Critical
Publication of CN209214193U publication Critical patent/CN209214193U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The utility model discloses a kind of spliced refrigeration cylinders, it is composed including circulation portions and refrigeration portion, the refrigeration portion includes that multiple refrigerating units are combined with each other to be formed, the end face of the refrigerating unit is provided with opening, the opening is provided with sealing cover by way of flexible connection, cooling line is provided in the refrigerating unit, the circulation portions are used to provide the cold source of flowing, when refrigerating cylinder combination, the cooling line is interconnected, cold source can flow in the cooling line, and form a complete circuit with the circulation portions.The utility model uses the Combination Design of multiple refrigerating units, can individually be stored to different articles, facilitates storage and carries, and is additionally provided with circulation portions and cools down to refrigerating unit, makes the temperature in each refrigerating unit keep stablizing, ensure that cold storage effect.

Description

A kind of spliced refrigeration cylinder
Technical field
The utility model relates to refrigerate a field, a kind of spliced refrigeration cylinder is particularly related to.
Background technique
Food, drug transport process in, need to be placed into different articles in different refrigeration cylinders and refrigerate Storage.Applicants have discovered that when this transporting mode has the drawback that the kind of 1, article is more, if separately storage, It needs to prepare a fairly large number of refrigerating barrel, to cause transport pressure big, stores the disadvantages of difficult;2, the kind of article is more When, if unified storage, when there is article to generate rupture, it is easy the remaining article of pollution.
Summary of the invention
In view of this, the purpose of this utility model is that a kind of spliced refrigeration cylinder is proposed, to be dedicated to solving background skill Whole issue in art or one of.
Based on above-mentioned purpose it is provided by the utility model (herein omit content it is identical as claims, will finalize a text
A kind of spliced refrigeration cylinder, including circulation portions are composed with refrigeration portion, and the refrigeration portion includes that multiple refrigerations are single Member, which is combined with each other, to be formed, and the end face of the refrigerating unit is provided with opening, and the opening is by way of flexible connection It is provided with sealing cover, cooling line is provided in the refrigerating unit, the circulation portions are used to provide the cold source of flowing, when cold When hiding cylinder combination, the cooling line is interconnected, and cold source can flow in the cooling line, and be formed with the circulation portions One complete circuit.
Optionally, the refrigerating unit includes cylinder, and several snap rings, the cooling tube are provided on the inner wall of the cylinder Road includes the first cooling tube and the second cooling tube, and first cooling tube is the first cooling tube of spiral shape, and along the inner wall of cylinder Setting, the second cooling tube are through-type.
Optionally, it is provided with what splicing male connector was matched with for the splicing male connector in the circulation portions and refrigeration portion Splice female, when refrigerating cylinder combination, the circulation portions, refrigeration portion pass through splicing male connector and consolidated with the cooperation for splicing female It is fixed.
Optionally, the splicing male connector includes male connector plug-in unit, and the end of the male connector plug-in unit is convex equipped with extending to two sides Edge;The splicing female includes female plug-in unit, and the end face of the female plug-in unit is equipped with the slot for accommodating male connector plug-in unit, the slot It is inside provided with the first sliding groove, the clamping block matched with flange, first sliding groove are installed in first sliding groove It is inside also equipped with the first spring, one end of first spring is fixed in the first sliding groove, the other end of first spring It fits with clamping block, connecting rod is equipped with by hinged mode on the clamping block, is provided with connection on the female plug-in unit Slot is equipped with the first sliding bar in the link slot, second spring, one end of the second spring is equipped in the link slot It is fixed in link slot, the other end of the second spring is fixed on the first sliding bar, and first sliding bar is equipped with wedge Shape portion, the female plug-in unit is interior to be equipped with the second sliding groove, is equipped with the second sliding bar, the wedge-shaped part in second sliding groove It is matched with the second sliding bar, the end of the connecting rod is connected by hinged mode with the second sliding bar.
Optionally, it is provided with what water pipe male connector was matched with for the water pipe male connector in the circulation portions and refrigeration portion Water pipe female, when refrigerating cylinder combination, the cooling line, circulation portions are mutually interconnected by water pipe male connector with water pipe female simultaneously It is logical, form a circuit.
Optionally, the water pipe male connector is equipped with boss, and the outer wall of boss is equipped with the first sealing ring;The water pipe female It is equipped with the groove matched with boss, how to have the second sealing ring on the inner wall of groove.
Optionally, the circulation portions include providing the mobile power part of cold source and the interconnecting piece for cold source circulation.
Optionally, the power part includes first shell, and accommodating chamber is provided in the first shell, the accommodating chamber Inner wall is equipped with insulating layer, and cabinet is equipped in the accommodating chamber, refrigerating fluid is filled in the cabinet, is equipped in the cabinet Liquid outlet, the cabinet is interior to be equipped with liquid inlet, is equipped with water pump in the first shell, the liquid inlet of the water pump passes through pipeline It is connected with liquid outlet, fixed frame is installed in the first shell, cooling piece, the fixed frame is installed on the fixed frame On be equipped with and extend into the intracorporal conductive post of case, heat-absorbent surface and the conductive post of the cooling piece fit, pacify on the fixed frame Equipped with the cooling fin extended outside first shell, radiating surface and the conductive post of the cooling piece fit, in the first shell Be additionally provided with battery, charging interface and switch, the battery and cooling piece are electrically connected, the charging interface, switch with electricity Pond is electrically connected.
Optionally, the interconnecting piece includes second shell, is provided with U-tube in the second shell.
Optionally, handle is provided on the outer wall in the circulation portions and refrigeration portion.
Beneficial effect
The utility model uses the Combination Design of multiple refrigerating units, can individually be stored to different articles, facilitate storage It deposits and carries, and be additionally provided with circulation portions and cool down to refrigerating unit, the temperature in each refrigerating unit is made to keep stablizing, It ensure that cold storage effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spliced refrigeration cylinder of the utility model embodiment;
Fig. 2 is the structural schematic diagram of the refrigerating unit of the utility model embodiment;
Fig. 3 is the structural schematic diagram of the splicing male connector of the utility model embodiment;
Fig. 4 is the front view of the refrigerating unit of the utility model embodiment;
Fig. 5 is the structural schematic diagram of the circulation portions of the utility model embodiment;
Fig. 6 is the structural schematic diagram of the interconnecting piece of the utility model embodiment.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and Referring to attached drawing, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience, It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
As one embodiment, the utility model provides a kind of spliced refrigeration cylinder, including circulation portions are combined with refrigeration portion It forms, the refrigeration portion includes that multiple refrigerating units are combined with each other to be formed, and the end face of the refrigerating unit is provided with opening, institute It states opening and is provided with sealing cover by way of flexible connection, cooling line is provided in the refrigerating unit, it is described Circulation portions are used to provide the cold source of flowing, and when refrigerating cylinder combination, the cooling line is interconnected, and cold source can be in the cooling Flowing in pipeline, and a complete circuit is formed with the circulation portions.
As shown in Figures 1 to 6, as one embodiment of the utility model, a kind of spliced refrigeration cylinder, including circulation portions 1 is composed with refrigeration portion, and the refrigeration portion includes that multiple refrigerating units 2 are combined with each other formation, in use, operator can be right Refrigerating unit 2 is dismantled, and the refrigerating unit 2 of different number is carried, and the end face of the refrigerating unit 2 is provided with opening, institute It states opening and is provided with shaft, be respectively and fixedly provided with sealing cover in shaft, in use, operator can store article from opening, And the chamber of a sealing is formed by sealing cover, there is good heat insulation effect.Cooling is provided in the refrigerating unit 2 Pipeline, the circulation portions 1 are used to provide the cold source of flowing, and when refrigerating cylinder combination, the cooling line is interconnected, and cold source can It is flowed in the cooling line, and forms a complete circuit with the circulation portions 1, in use, can be single to each refrigeration Member 2 cools down, and makes the temperature in each refrigerating unit 2 keep stablizing, ensure that cold storage effect.
In order to facilitate combining and dismantling, the refrigerating unit 2 includes cylinder 21, if being provided on the inner wall of the cylinder 21 Dry snap ring 22, the cooling line includes the first cooling tube 23a and the second cooling tube 23b, the first cooling tube 23a is spiral Shape the first cooling tube 23a, and being arranged along the inner wall of cylinder 21, can temperature in uniform pickup cylinder 21, make the object in cylinder 21 Product keep relative temperature, and the second cooling tube 23b is through-type, wherein the water pipe male connector 42, female plug-in unit 32 are mounted on first The end of cooling tube 23a and the second cooling tube 23b, easy to disassemble, single layer or double-layer structure can be used in cylinder 21, and may be used also To be provided with insulating layer.
In order to facilitate combining and dismantling, the splicing male connector includes male connector plug-in unit 31, and the end of the male connector plug-in unit 31 is set The flange 31a that oriented two sides extend;The splicing female includes female plug-in unit 32, and the end face of the female plug-in unit 32, which is equipped with, to be accommodated The slot of male connector plug-in unit 31 is provided with the first sliding groove in the slot, is equipped in first sliding groove and flange 31a phase The clamping block 33 of cooperation is also equipped with the first spring 34 in first sliding groove, and one end of first spring 34 is fixed on In first sliding groove, the other end and the clamping block 33 of first spring 34 fit, and pass through hingedly on the clamping block 33 Mode is equipped with connecting rod 35, and link slot is provided on the female plug-in unit 32, and the first sliding bar 36 is equipped in the link slot, Second spring 37 is installed, one end of the second spring 37 is fixed in link slot, the second spring in the link slot 37 other end is fixed on the first sliding bar 36, and first sliding bar 36 is equipped with wedge-shaped part, in the female plug-in unit 32 Equipped with the second sliding groove, the second sliding bar 38, the wedge-shaped part and 38 phase of the second sliding bar are installed in second sliding groove Cooperation, the end of the connecting rod 35 are connected by hinged mode with the second sliding bar 38, upon combination, male connector plug-in unit 31 End is inserted into slot, and clamping block 33 fits with flange 31a, and the movement for limiting male connector plug-in unit 31 comes when disassembly is desired, Operator presses the first sliding bar 36, and the first sliding bar 36 drives the second sliding bar 38 mobile by wedge-shaped part, the second sliding Bar 38 drives connecting rod 35 mobile, and connecting rod 35 drives clamping block 33 mobile, until clamping block 33 is detached from flange 31a, has operation side Just, fast, stable structure the advantages of.
In order to facilitate combining and dismantling, water pipe male connector 42 is provided in the circulation portions 1 and refrigeration portion and for described The water pipe female 41 that water pipe male connector 42 matches, when refrigerating cylinder combination, the cooling line, circulation portions 1 pass through water pipe male connector 42 are interconnected simultaneously with water pipe female 41, form a circuit, to be carried out by circulation portions 1 to each refrigerating unit 2 cold But, it ensure that the refrigeration quality of each refrigerating unit 2.
In order to improve leakproofness, the water pipe male connector 42 is equipped with boss, and the outer wall of boss is equipped with the first sealing ring;Institute It states water pipe female 41 and is equipped with the groove matched with boss, how to have the second sealing ring on the inner wall of groove.Upon combination, first The leakproofness of water pipe female 41 Yu water pipe male connector 42 can be improved in sealing ring and the second sealing ring.
In order to facilitate combining and dismantling, the circulation portions 1 include providing the mobile power part of cold source to recycle with for cold source Interconnecting piece, operator can need to remove and install circulation portions 1, be convenient for carrying and safeguard.
Optionally, the power part includes first shell 11, and accommodating chamber 11a is provided in the first shell 11, described The inner wall of accommodating chamber 11a is equipped with insulating layer, has good leakproofness.Cabinet 12 is installed in the accommodating chamber 11a, it is described It is filled with refrigerating fluid in cabinet 12, liquid outlet is equipped in the cabinet 12, is equipped with liquid inlet, the first shell in the cabinet 12 Water pump 13 is installed, the liquid inlet of the water pump 13 is connected by pipeline with liquid outlet, in the first shell 11 in body 11 Fixed frame 14 is installed, cooling piece 15 is installed on the fixed frame 14, is equipped on the fixed frame 14 and extends into cabinet 12 Interior conductive post 16, heat-absorbent surface and the conductive post 16 of the cooling piece 15 fit, are equipped with and extend on the fixed frame 14 Cooling fin 17 outside first shell, radiating surface and the conductive post 16 of the cooling piece 15 fit, in the first shell 11 also It is provided with battery, charging interface and switch, the battery and cooling piece 15 are electrically connected, the charging interface, switch, water pump 13 It is electrically connected with the battery;Male connector plug-in unit 31, water pipe female 41, water pipe male connector 42 and female plug-in unit 32 are arranged in first shell 11 One end, water pipe male connector 42 is connected with the outlet end of water pump 13, and water pipe female 41 is connected with liquid inlet.In use, water pump 13 work with cooling piece 15, and cooling piece 15 absorbs the temperature in cabinet 12 by conductive post 16, and water pump 13 is by refrigerating fluid from water pipe It is discharged in male connector 42, and the refrigerating fluid after recycling is entered in cabinet 12 by water pipe female 41 from liquid inlet, is dropped from newly Temperature, to ensure that refrigeration effect.
In order to facilitate combining and dismantling, the interconnecting piece includes second shell 18, is provided with U-shaped in the second shell 18 Pipe 19, male connector plug-in unit 31, water pipe female 41, water pipe male connector 42 and female plug-in unit 32 are arranged at one end of second shell 18, institute State water pipe female 41, water pipe male connector 42 is connected with the both ends of U-tube 19 respectively, the second shell 18 be filled with thermal insulating material Material.In use, refrigerating fluid is discharged after being recycled by U-tube 19, structure is simple, convenient disassembly.
In order to facilitate transport, handle is provided on the circulation portions 1 and the outer wall in refrigeration portion.In use, operator Handle mobile refrigerating cylinder can be passed through.
Before use, operator can select a certain number of refrigerating units 2 according to demand, and pass through splicing male connector and splicing The cooperation of female is assembled to each other, and power part and interconnecting piece are finally mounted on the exposed end of refrigerating unit 2, make its shape It is recycled at one;In use, operator opens sealing cover, article is put into from opening and is stored, and can be simultaneously in case Ice cube is added in body 12, is conducive to long-period freshness preserving;Secondly, operator turns on the switch, keep power supply and water pump 13, cooling piece 15 logical Electricity, water pump 13 and cooling piece 15 work, and cooling piece 15 absorbs the temperature in cabinet 12 by conductive post 16, and water pump 13 is by refrigerating fluid It is discharged from water pipe male connector 42, and the refrigerating fluid after recycling is entered in cabinet 12 by water pipe female 41 from liquid inlet, it is made Circulation temperature lowering is carried out, and operator can be charged the battery by charging interface, facilitates and use for a long time.
The utility model uses the Combination Design of multiple refrigerating units 2, can individually be stored to different articles, facilitate storage It deposits and carries, and be additionally provided with circulation portions 1 and cool down to refrigerating unit 2, the temperature in each refrigerating unit 2 is made to keep steady It is fixed, it ensure that cold storage effect.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples;Under the thinking of the utility model, the above reality Applying can also be combined between the technical characteristic in example or different embodiments, and step can be realized with random order, and be deposited In many other variations of the different aspect of the utility model as described above, for simplicity, they are not provided in details.
The embodiments of the present invention are intended to cover fall into all such within the broad range of appended claims Replacement, modifications and variations.Therefore, within the spirit and principle of the utility model, any omission for being made, modification, equivalent Replacement, improvement etc., should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of spliced refrigeration cylinder, which is characterized in that be composed including circulation portions and refrigeration portion, the refrigeration portion includes more A refrigerating unit is combined with each other to be formed, and the end face of the refrigerating unit is provided with opening, and the opening passes through activity even The mode connect is provided with sealing cover, and cooling line is provided in the refrigerating unit, and the circulation portions are used to provide flowing Cold source, when refrigerate cylinder combination when, the cooling line be interconnected, cold source can flow in the cooling line, and with it is described Circulation portions form a complete circuit.
2. spliced refrigeration cylinder according to claim 1, which is characterized in that the refrigerating unit includes cylinder, the cylinder Several snap rings are provided on the inner wall of body, the cooling line includes the first cooling tube and the second cooling tube, and described first is cooling Pipe is the first cooling tube of spiral shape, and is arranged along the inner wall of cylinder that the second cooling tube is through-type.
3. spliced refrigeration cylinder according to claim 1, which is characterized in that be provided in the circulation portions and refrigeration portion The splicing female that splicing male connector is matched with for the splicing male connector, when refrigerating cylinder combination, the circulation portions, refrigeration portion are equal It is fixed by splicing male connector with the cooperation for splicing female.
4. spliced refrigeration cylinder according to claim 3, which is characterized in that the splicing male connector includes male connector plug-in unit, institute The end for stating male connector plug-in unit is equipped with the flange extended to two sides;The splicing female includes female plug-in unit, the female plug-in unit End face is equipped with the slot for accommodating male connector plug-in unit, is provided with the first sliding groove in the slot, is equipped in first sliding groove The clamping block matched with flange is also equipped with the first spring in first sliding groove, and one end of first spring is fixed In the first sliding groove, the other end of first spring fits with clamping block, passes through hinged mode on the clamping block Connecting rod is installed, link slot is provided on the female plug-in unit, the first sliding bar, the link slot are installed in the link slot Second spring is inside installed, one end of the second spring is fixed in link slot, and the other end of the second spring is fixed on On first sliding bar, first sliding bar is equipped with wedge-shaped part, is equipped with the second sliding groove in the female plug-in unit, and described second Second sliding bar is installed, the wedge-shaped part is matched with the second sliding bar, and the end of the connecting rod passes through hinged in sliding groove Mode be connected with the second sliding bar.
5. spliced refrigeration cylinder according to claim 1, which is characterized in that be provided in the circulation portions and refrigeration portion The water pipe female that water pipe male connector is matched with for the water pipe male connector, when refrigerating cylinder combination, the cooling line, circulation portions It is interconnected simultaneously by water pipe male connector and water pipe female, forms a circuit.
6. spliced refrigeration cylinder according to claim 5, which is characterized in that the water pipe male connector is equipped with boss, boss Outer wall be equipped with the first sealing ring;The water pipe female is equipped with the groove matched with boss, how to have on the inner wall of groove Second sealing ring.
7. spliced refrigeration cylinder according to claim 1, which is characterized in that the circulation portions include providing cold source movement Power part and the interconnecting piece for cold source circulation.
8. spliced refrigeration cylinder according to claim 7, which is characterized in that the power part includes first shell, described Accommodating chamber is provided in first shell, the inner wall of the accommodating chamber is equipped with insulating layer, is equipped with cabinet in the accommodating chamber, institute It states in cabinet filled with refrigerating fluid, is equipped with liquid outlet in the cabinet, be equipped with liquid inlet in the cabinet, in the first shell Water pump is installed, the liquid inlet of the water pump is connected by pipeline with liquid outlet, fixed frame is installed in the first shell, Cooling piece is installed on the fixed frame, is equipped on the fixed frame and extends into the intracorporal conductive post of case, the cooling piece Heat-absorbent surface fits with conductive post, and the cooling fin extended outside first shell is equipped on the fixed frame, the cooling piece Radiating surface fits with conductive post, and battery, charging interface and switch, the battery and refrigeration are additionally provided in the first shell Piece is electrically connected, and the charging interface, switch are electrically connected with the battery.
9. spliced refrigeration cylinder according to claim 8, which is characterized in that the interconnecting piece includes second shell, described U-tube is provided in second shell.
10. spliced refrigeration cylinder according to claim 1, which is characterized in that on the outer wall in the circulation portions and refrigeration portion It is provided with handle.
CN201822029382.7U 2018-12-03 2018-12-03 A kind of spliced refrigeration cylinder Expired - Fee Related CN209214193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822029382.7U CN209214193U (en) 2018-12-03 2018-12-03 A kind of spliced refrigeration cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822029382.7U CN209214193U (en) 2018-12-03 2018-12-03 A kind of spliced refrigeration cylinder

Publications (1)

Publication Number Publication Date
CN209214193U true CN209214193U (en) 2019-08-06

Family

ID=67462992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822029382.7U Expired - Fee Related CN209214193U (en) 2018-12-03 2018-12-03 A kind of spliced refrigeration cylinder

Country Status (1)

Country Link
CN (1) CN209214193U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442847A (en) * 2018-12-03 2019-03-08 安徽商贸职业技术学院 A kind of spliced refrigeration cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442847A (en) * 2018-12-03 2019-03-08 安徽商贸职业技术学院 A kind of spliced refrigeration cylinder

Similar Documents

Publication Publication Date Title
CN209214193U (en) A kind of spliced refrigeration cylinder
CN103673449B (en) There is the refrigerator of removable temperature-changing chamber
CN104433617B (en) A kind of refrigeration cup
CN206056072U (en) A kind of freezer with multiple stage independent cooling unit
CN103868307A (en) Omnibearing refrigeration refrigerator
CN109442847A (en) A kind of spliced refrigeration cylinder
CN106966060A (en) A kind of cold-storage express delivery box structure
CN204345950U (en) A kind of reverse-flow type phase change heat exchange device
CN104129573B (en) A kind of low temperature cold insulation horizontal vaccine container
CN104236097A (en) Novel heat exchange water storage tank
CN204071708U (en) A kind of steamer thermal insulation cabinet heat-insulation display cabinet all-in-one
CN205642121U (en) Rib type water -locator
CN206040909U (en) Battery water cooling plant
CN205860617U (en) Domestic portable cold closet
CN210832748U (en) Cold and hot type thermostat for feeding and taking system
CN211800738U (en) Energy supply system for pharmacy
CN205919590U (en) Portable cold -storage box with fast cold function
CN204220157U (en) A kind of use for laboratory ultraviolet lighting case
CN206222778U (en) A kind of cut-off and the refrigerator with the cut-off
CN208739444U (en) A kind of novel carbon fiber heating rod
CN203657334U (en) Refrigerator utilizing door for uniforming temperature in cabinet body
CN204214141U (en) A kind of novel heat exchange storage tank
CN206540356U (en) A kind of fresh-keeping of vegetables refrigerating equipment
CN207981120U (en) A kind of novel reaction kettle heating and cooling regulation and control system
KR100514947B1 (en) Ice container for thermal storage 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: 20190806

Termination date: 20211203

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