CN208210786U - A kind of fruit and vegetable picking machinery hand - Google Patents

A kind of fruit and vegetable picking machinery hand Download PDF

Info

Publication number
CN208210786U
CN208210786U CN201820712337.9U CN201820712337U CN208210786U CN 208210786 U CN208210786 U CN 208210786U CN 201820712337 U CN201820712337 U CN 201820712337U CN 208210786 U CN208210786 U CN 208210786U
Authority
CN
China
Prior art keywords
rack
clamping
fruit
fixedly connected
round tube
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
CN201820712337.9U
Other languages
Chinese (zh)
Inventor
赵德球
黄勤芳
谢俊杰
秦荣明
卢嘉雯
林煜枫
李武鑫
梁发鑫
韦鸣辉
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.)
Guangxi Vocational and Technical College
Original Assignee
Guangxi Vocational and Technical 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 Guangxi Vocational and Technical College filed Critical Guangxi Vocational and Technical College
Priority to CN201820712337.9U priority Critical patent/CN208210786U/en
Application granted granted Critical
Publication of CN208210786U publication Critical patent/CN208210786U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Harvesting Machines For Specific Crops (AREA)

Abstract

The utility model provides a kind of fruit and vegetable picking machinery hand, the two sides of its rack upper and lower ends are respectively equipped with the long pawl of clamping and clamping shortly clawed, the rack back side is equipped with one section of round tube, the top of round tube is fixedly connected with a handle, the upper end of round tube is additionally provided with a tensioning pull ring, the folding that long pawl and clamping shortly clawed are clamped by lifting tensioning pull ring manipulation, frame lower center be equipped with one can front-rear reciprocation movement knife rest, knife rest front end is equipped with point of a knife.The utility model structure is simple and convenient to operate, the long pawl of clamping and clamping shortly clawed of different sizes are arranged by lower section on the rack for it, fruit is firmly grasped with long pawl is clamped, fruit is held up upwards with clamping shortly clawed, base of fruit is cut off with the point of a knife of frame lower again, the movement such as it can be easily accomplished the crawl of picking fruit process, shear, remove, placing, the fruits and vegetables barbed especially suitable for picking cauline leaf or fruit, picker's hand will not be injured, picking efficiency is high, it can effectively reduce labor intensity, highly promote the use of.

Description

A kind of fruit and vegetable picking machinery hand
Technical field
It is specifically a kind of especially suitable for picking cauline leaf or fruit band the utility model relates to a kind of fruit and vegetable picking machinery hand The manipulator of the fruits and vegetables of thorn belongs to agricultural auxiliary picker technical field.
Background technique
The country relies primarily on artificial progress for the picking of fruits and vegetables at present, when picking is similar to cauline leaf or fruit as pineapple When barbed fruits and vegetables, due to sharp sharp mouth, having prickle again outside pericarp on its cauline leaf, manually picking is easy injury, because Need to wear protective gloves when this picking, hot day wears gloves and works not only sultry but also inconvenient, and labor intensity is very big and labor efficiency is not high.
In order to solve this problem, we can be completed by operating corresponding manipulator to such cauline leaf or fruit band The picking operation of bur vegetable.Also there is the manipulator for pineapple picking on the market at present, but structure and control are excessively complicated mostly, In actual use and inconvenient, therefore, it is difficult to promote the use of.
Utility model content
The purpose of the utility model is to provide a kind of fruit and vegetable picking machinery hands that structure is simple and convenient to operate, for picking Cauline leaf or the barbed fruits and vegetables of fruit.
The specific technical solution that the utility model is taken is as follows:
A kind of fruit and vegetable picking machinery hand is equipped with an I-shaped rack, and the two sides of frame upper end are hinged with a pair can The long pawl of the clamping of folding, the two sides of rack lower end are hinged with a pair of openable and closable clamping shortly clawed, clamp the front and middle part of long pawl It is formed a fixed connection respectively by connecting screw straight down with the front of clamping shortly clawed and middle part, makes to clamp long pawl and clamping Shortly clawed keeps synchronous on-off;Along enclosing a big clamping opening in the clamping of the two long pawls of clamping of frame upper end, the two of rack lower end It clamps along a small clamping opening is enclosed in the clamping of shortly clawed, the center of big clamping opening and small clamping opening is on same vertical axis.
At the back side of rack equipped with one and vertical plane at the sloping platform of 30 ° of angles, sloping platform is equipped with vertical with sloping platform plane Oblique through hole, sloping platform is also fixedly connected with one section of round tube in oblique through hole, round tube along oblique through hole axis direction on after rack Fang Yanshen, the top of round tube are fixedly connected with a handle, and the upper end of round tube is additionally provided with a movable tensioning pull ring;Rack The back side be additionally provided with a horizontally disposed lateral duct, the one end in lateral duct is connected with oblique through hole, and the other end is pierced by machine The back side of frame, machine frame inside are equipped with a horizontally disposed longitudinal shaft in the upper side of lateral duct and oblique through hole intersection, The back side of rack is equipped with compressed spring in the outside in lateral duct, and the end of compressed spring is equipped with a connecting rod rest, connecting rod rest Center is fixedly connected with one end of drawstring, and the other end of drawstring sequentially passes through the lateral duct of compressed spring center and rack, further around The outer ring of longitudinal shaft is crossed, and passes through oblique through hole and round tube, the lower end of tensioning pull ring is finally fixedly connected on, by compressed spring pair Drawstring is tensioned;A bracket with guide groove is equipped with below connecting rod rest, one end of bracket is fixedly connected on the back side of rack, Connecting rod rest is slidably connected by the guide groove formation of boss and bracket below;A pair of connect is hinged in the two sides of connecting rod rest Bar, the other end of two connecting rods are respectively hinged on the connecting screw in the middle part of the long pawl of two clampings, and then by two connecting rods to the long pawl of clamping Folding with clamping shortly clawed is driven.
It is equipped with a sliding slot transparent back and forth in the lower central of rack, slidably connects a knife rest, knife rest in sliding slot Front end be equipped with dismountable point of a knife;The bottom surface of rack is fixedly connected with motor cabinet, and the bottom surface of motor cabinet is equipped with decelerating motor And battery, the drive shaft of decelerating motor are stretched out upwards and are fixedly connected with an eccentric wheel, the drive of decelerating motor from motor cabinet One end of the also hinged extension spring in moving axis upper end, the tail end of the other end connection knife rest of extension spring, is resisted against knife rest tail end On the outer of eccentric wheel, the reciprocal driving in front and back is carried out by eccentric wheel cutter setting frame;The handle is equipped with for controlling decelerating motor The microswitch of start and stop.
Further, the limit spiral shell for preventing it to be detached from bracket guide groove is also connected on the boss below the connecting rod rest Nail.
Further, the handle uses " e " character form structure, and head is fixedly connected with round tube, and middle part is equipped with interior cross bar As handle, tail portion is equipped with curved for rest elbow, and microswitch is arranged on the handle at middle part.In addition, in entire hand The lower section of handle is also cased with a canvas sleeve pocket, and the upper end for pocket of tucking inside the sleeve is open, and lower end closed, the upper edge for pocket of tucking inside the sleeve hangs over the outer side edges of handle Along upper, so that the hand to operator plays a protective role.
Further, it is described for by clamp long pawl front and middle part with clamp shortly clawed front and middle part be fixedly connected Connecting screw on the outside of be equipped with sleeve.
Further, the sliding slot of the frame lower is ladder slot structure, and front end notch is bigger than rear end notch, for holding It receives to point of a knife when after-contraction.
The fruit and vegetable picking machinery hand structure of the utility model is simple and convenient to operate, big by lower section setting on the rack The small long pawl of different clampings and clamping shortly clawed, are firmly grasped fruit with long pawl is clamped, and are held up fruit upwards with clamping shortly clawed, then use The point of a knife of frame lower cuts off base of fruit, the movement such as can be easily accomplished the crawl of picking fruit process, shear, remove, placing, special Cauline leaf or the barbed fruits and vegetables of fruit Shi Yongyu not be picked, picker's hand will not be injured, picking efficiency is high, can effectively mitigate labour Intensity is highly promoted the use of.
Detailed description of the invention
Fig. 1 is the perspective view of this fruit and vegetable picking machinery hand.
Fig. 2 is the side view of this fruit and vegetable picking machinery hand.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the profile of the connection structure of the machine frame inside drawstring and knife rest in Fig. 2.
Fig. 6 is the front side view stereo figure of rack.
Fig. 7 is the rear side visual angle perspective view of rack.
Fig. 8 is the sectional view of Fig. 6 rack.
Fig. 9 is the perspective view of connecting rod rest.
Figure 10 is the schematic diagram of the handle portion socket sleeve pocket of this fruit and vegetable picking machinery hand.
In figure: 1- rack, 2- clamp long pawl, and 3- clamps shortly clawed, 4- round tube, 5- handle, 6- tensioning pull ring, 7- connecting rod, 8- Connecting rod rest, 9- compressed spring, 10- motor cabinet, 11- decelerating motor, 12- eccentric wheel, 13- knife rest, 14- point of a knife, 15- stretch bullet Spring, 16- sleeve, 17- connecting screw, the longitudinal direction 18- shaft, 19- drawstring, 20- microswitch, 21- bracket, 22- stop screw, 23- sleeve pocket.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in figs. 1-9, this fruit and vegetable picking machinery hand is equipped with an I-shaped rack 1, and the two sides of 1 upper end of rack are cut with scissors It is connected to a pair of openable and closable long pawl 2 of clamping, the two sides of 1 lower end of rack are hinged with a pair of openable and closable clamping shortly clawed 3, clamp long pawl 2 front and middle part pass through connecting screw 17 straight down respectively and form a fixed connection with the front of clamping shortly clawed 3 and middle part, Make to clamp long pawl 2 and clamping shortly clawed 3 keeps synchronous on-off;Edge encloses one in the clamping of the two long pawls 2 of clamping of 1 upper end of rack The interior edge of clamping of big clamping opening, two clamping shortly claweds 3 of 1 lower end of rack encloses a small clamping opening, the center of big clamping opening and small clamping opening On same vertical axis.The company that the front and middle part of the long pawl 2 of clamping are fixedly connected with the front of clamping shortly clawed 3 and middle part It connects and is equipped with sleeve 16 on the outside of screw rod 17.
At the back side of rack 1 equipped with one and vertical plane at the sloping platform of 30 ° of angles, sloping platform is equipped with vertical with sloping platform plane Oblique through hole, sloping platform is also fixedly connected with one section of round tube 4 in oblique through hole, round tube 4 along oblique through hole axis direction to after rack 1 Top extends, and the top of round tube 4 is fixedly connected with a handle 5, and the upper end of round tube 4 is additionally provided with a movable tensioning pull ring 6;The back side of rack 1 is additionally provided with a horizontally disposed lateral duct, and the one end in lateral duct is connected with oblique through hole, the other end Be pierced by the back side of rack 1, inside rack 1 the upper side of lateral duct and oblique through hole intersection be equipped with one it is horizontally disposed vertical To shaft 18, the back side of rack 1 is equipped with compressed spring 9 in the outside in lateral duct, and the end of compressed spring 9 is equipped with a connecting rod Frame 8, the center of connecting rod rest 8 are fixedly connected with one end of drawstring 19, and the other end of drawstring 19 sequentially passes through 9 center of compressed spring and machine The lateral duct of frame 1 further around the outer ring of excessively longitudinal shaft 18, and passes through oblique through hole and round tube 4, is finally fixedly connected on tensioning and draws The lower end of ring 6 is tensioned drawstring 19 by compressed spring 9;A bracket 21 with guide groove, support are equipped with below connecting rod rest 8 One end of frame 21 is fixedly connected on the back side of rack 1, and connecting rod rest 8 forms cunning by the guide groove of boss and bracket 21 below Dynamic connection;The stop screw 22 for preventing it to be detached from 21 guide groove of bracket is also connected on the boss of 8 lower section of connecting rod rest.In connecting rod rest 8 two sides are hinged with a pair of links 7, and the other end of two connecting rods 7 is respectively hinged at the connecting screw 17 at long 2 middle part of pawl of two clampings On, and then driven by the folding of the long pawl 2 of 7 pairs of two connecting rods clampings and clamping shortly clawed 3.
It is equipped with a sliding slot transparent back and forth in the lower central of rack 1, slidably connects a knife rest 13, knife in sliding slot The front end of frame 13 is equipped with dismountable point of a knife 14;The sliding slot is ladder slot structure, and front end notch is bigger than rear end notch, to be used for It accommodates to the point of a knife 14 when after-contraction.The bottom surface of rack 1 is fixedly connected with motor cabinet 10, and the bottom surface of motor cabinet 10 is equipped with deceleration The drive shaft of motor 11 and battery, decelerating motor 11 is stretched out upwards from motor cabinet 10 and is fixedly connected with an eccentric wheel 12, One end of the also hinged extension spring 15 in the drive shaft upper end of decelerating motor 11, the tail of the other end connection knife rest 13 of extension spring 15 End, is resisted against 13 tail end of knife rest on the outer of eccentric wheel 12, carries out the reciprocal driving in front and back by 12 cutter setting frame 13 of eccentric wheel;It is described Handle 5 is equipped with the microswitch 20 for controlling 11 start and stop of decelerating motor.
The handle 5 uses " e " character form structure, and head is fixedly connected with round tube 4, and middle part is used as equipped with interior cross bar and holds Tail portion is equipped with curved for rest elbow, and microswitch 20 is arranged on the handle at middle part.In addition to operator's Hand plays a protective role, and is also cased with a canvas sleeve pocket 23 in the lower section of entire handle 5, the upper end for pocket 23 of tucking inside the sleeve is open, lower end Closing, the upper edge of sleeve pocket 23 hang over the outer side edges of handle 5 along upper, as shown in Figure 10.
Its operating method is further described for carrying out picking pineapple with this fruit and vegetable picking machinery hand below.
Operator holds the interior cross bar of handle 5 from lower to upper with right hand palm first when use, and ancon is depended in 5 tail of handle Portion it is curved upper, index finger and middle finger catch on tensioning pull ring 6, and thumb is placed on the position of microswitch 20.By this manipulator along ground The root of pineapple is protruded into (since handle 5 and horizontal plane are at 30 ° of angles, when manipulator protrudes into pineapple root, the arm of operator in face Have up and down space, meet ergonomic designs), tensioning pull ring 6 is pulled, under the effect of drawstring 19, connecting rod rest 8 is pulled, makes Connecting rod 7 pushes forward the long pawl 2 of clamping and clamping shortly clawed 3, clamps long pawl 2 at this time and holds pineapple tightly, clamping shortly clawed 3 holds up spinach upwards Trailing plants.
When thumb is by microswitch 20 on lower handle 5, decelerating motor 11 obtains electric operation, and rotates with movable eccentric wheel 12, Under the action of tension spring 15, knife rest 13 does straight reciprocating motion with the rotation of eccentric wheel 12, and then cuts off pineapple by point of a knife Root.
After the cutting of pineapple root, microswitch 20 is unclamped, stops cutting action, pineapple is made to be sent to receipts under manipulator clamping Collect frame, unclamp tensioning pull ring 6, connecting rod rest 8 drives connecting rod 7 to draw back under the action of compressed spring 9, makes to clamp long pawl 2 and folder The opening of shortly clawed 3 is held, pineapple is unclamped and is placed into collection frame, the crawl of pineapple picking process is thus completed, shears, removes, placing A series of actions.
For operator when operating this manipulator, the canvas sleeve pocket 23 of 5 lower section of handle can be complete by palm and elbow from below It covers, to shield in the barbed fruits and vegetables of picking cauline leaf or fruit, simultaneously because the upper end of sleeve pocket 23 is open, behaviour The palm and elbow of author will not feel sultry.This certain manipulator can be used for the picking of common not barbed fruits and vegetables, such as For picking Chinese cabbage, dragon fruit etc..
Above-mentioned legend is only the exemplary embodiments of the utility model, is not intended to limit the utility model, all practical at this Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle Within the scope of shield.

Claims (6)

1. a kind of fruit and vegetable picking machinery hand, it is characterized in that: the manipulator is equipped with an I-shaped rack (1), in rack (1) The two sides at end are hinged with a pair of openable and closable long pawl (2) of clamping, and the two sides of rack (1) lower end are hinged with a pair of openable and closable clamping Shortly clawed (3), the front and middle part for clamping long pawl (2) pass through connecting screw (17) straight down respectively and clamp shortly clawed (3) Front and middle part form a fixed connection, and make to clamp long pawl (2) and clamping shortly clawed (3) keeps synchronous on-off;The two of rack (1) upper end It clamps along a big clamping opening is enclosed in the clamping of long pawl (2), edge is enclosed in the clamping of two clampings shortly clawed (3) of rack (1) lower end The center of one small clamping opening of synthesis, big clamping opening and small clamping opening is on same vertical axis;
At the back side of rack (1) equipped with one and vertical plane at the sloping platform of 30 ° of angles, sloping platform is equipped with vertical with sloping platform plane Oblique through hole, sloping platform are also fixedly connected with one section of round tube (4) in oblique through hole, round tube (4) along oblique through hole axis direction to rack (1) back upper place extends, and the top of round tube (4) is fixedly connected with a handle (5), and the upper end of round tube (4) is additionally provided with a work Dynamic tensioning pull ring (6);The back side of rack (1) is additionally provided with a horizontally disposed lateral duct, the one end in lateral duct and tiltedly Through-hole is connected, and the other end is pierced by the back side of rack (1), and rack (1) is internal on lateral duct and the side of oblique through hole intersection Side is equipped with a horizontally disposed longitudinal shaft (18), and the back side of rack (1) is equipped with compressed spring in the outside in lateral duct (9), the end of compressed spring (9) is equipped with a connecting rod rest (8), and the center of connecting rod rest (8) is fixedly connected with one end of drawstring (19), The other end of drawstring (19) sequentially passes through the lateral duct at compressed spring (9) center and rack (1), further around excessively longitudinal shaft (18) Outer ring, and pass through oblique through hole and round tube (4), be finally fixedly connected on tensioning pull ring (6) lower end, it is right by compressed spring (9) Drawstring (19) is tensioned;A bracket (21) with guide groove is equipped with below connecting rod rest (8), one end of bracket (21) is fixed to be connected The back side in rack (1) is connect, connecting rod rest (8) is slidably connected by the guide groove formation of boss and bracket (21) below;? The two sides of connecting rod rest (8) are hinged with a pair of links (7), and the other end of two connecting rods (7) is respectively hinged in the middle part of the long pawl of two clampings (2) Connecting screw (17) on, and then the folding for clamping long pawl (2) and clamping shortly clawed (3) is driven by two connecting rods (7);
It is equipped with a sliding slot transparent back and forth in the lower central of rack (1), slidably connects a knife rest (13), knife in sliding slot The front end of frame (13) is equipped with dismountable point of a knife (14);The bottom surface of rack (1) is fixedly connected with motor cabinet (10), motor cabinet (10) Bottom surface decelerating motor (11) and battery be installed, the drive shaft of decelerating motor (11) stretched out upwards from motor cabinet (10) and with One eccentric wheel (12) is fixedly connected, one end of the also hinged extension spring (15) in the drive shaft upper end of decelerating motor (11), stretches The tail end of other end connection knife rest (13) of spring (15), is resisted against knife rest (13) tail end on the outer of eccentric wheel (12), by Eccentric wheel (12) cutter setting frame (13) carries out the reciprocal driving in front and back;The handle (5) is equipped with and opens for controlling decelerating motor (11) The microswitch (20) stopped.
2. fruit and vegetable picking machinery hand according to claim 1, it is characterized in that: on boss below the connecting rod rest (8) also It is connected with the stop screw (22) for preventing it to be detached from bracket (21) guide groove.
3. fruit and vegetable picking machinery hand according to claim 1, it is characterized in that: the handle (5) uses " e " character form structure, Its head is fixedly connected with round tube (4), and middle part is equipped with interior cross bar as handle, and tail portion is equipped with curved for rest elbow, micro- Dynamic switch (20) is arranged on the handle at middle part.
4. fruit and vegetable picking machinery hand according to claim 1, it is characterized in that: being also cased with one in the lower section of entire handle (5) A canvas is tucked inside the sleeve pocket (23), and the upper end of sleeve pocket (23) is open, lower end closed, and the upper edge of sleeve pocket (23) hangs over the outer side edges of handle (5) Along upper.
5. fruit and vegetable picking machinery hand according to claim 1, it is characterized in that: described for the front of long pawl (2) will to be clamped Sleeve (16) are equipped on the outside of the connecting screw (17) being fixedly connected with middle part with the front of clamping shortly clawed (3) and middle part.
6. fruit and vegetable picking machinery hand according to claim 1, it is characterized in that: the sliding slot of the rack (1) lower part is ladder Slot structure, front end notch is bigger than rear end notch, for accommodating to the point of a knife (14) when after-contraction.
CN201820712337.9U 2018-05-14 2018-05-14 A kind of fruit and vegetable picking machinery hand Expired - Fee Related CN208210786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820712337.9U CN208210786U (en) 2018-05-14 2018-05-14 A kind of fruit and vegetable picking machinery hand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820712337.9U CN208210786U (en) 2018-05-14 2018-05-14 A kind of fruit and vegetable picking machinery hand

Publications (1)

Publication Number Publication Date
CN208210786U true CN208210786U (en) 2018-12-11

Family

ID=64511646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820712337.9U Expired - Fee Related CN208210786U (en) 2018-05-14 2018-05-14 A kind of fruit and vegetable picking machinery hand

Country Status (1)

Country Link
CN (1) CN208210786U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112219556A (en) * 2020-10-27 2021-01-15 张广宾 Self-adaptive oil palm fruit picking cutter and picking actuating device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112219556A (en) * 2020-10-27 2021-01-15 张广宾 Self-adaptive oil palm fruit picking cutter and picking actuating device thereof
CN112219556B (en) * 2020-10-27 2023-04-18 张广宾 Self-adaptive oil palm fruit picking cutter and picking execution device thereof

Similar Documents

Publication Publication Date Title
CN109526385B (en) Pepper picking machine
CN108476737B (en) A fruit and vegetable picking robot
CN208210786U (en) A kind of fruit and vegetable picking machinery hand
CN212970781U (en) A kind of auxiliary garlic sprouts picking device
CN207443516U (en) Vegetables and fruits device for picking
CN209824458U (en) A cabbage harvester
CN106857033A (en) A kind of saw for cutting high branch
CN204762225U (en) Electronic tea -leaf picker of screening tealeaves
CN208047335U (en) Handheld portable fruit picking apparatus
CN109258092B (en) Auxiliary device is picked to preserved fruit handle formula pineapple
CN110140515A (en) Pineapple Picking Device
CN111108937A (en) Tea-oil camellia branch trimming means for tea-oil camellia is planted
CN208227783U (en) A kind of pruning tool of urban afforestation
CN207869779U (en) A kind of electric horticultural shears
CN211378843U (en) Tea leaf pruning equipment for tea planting
CN108834548A (en) A kind of multi-functional pineapple picking machine
CN208523263U (en) A kind of rake fruit picking collector
CN208317467U (en) A kind of portable fruit picking machine
CN209390722U (en) A kind of oil tea plantation oil tea branch clipping device
CN207783585U (en) A kind of double acting knife pricklyash peel picker
CN208227744U (en) A kind of picking fruit device
CN220915842U (en) High branch pruning telescoping device
CN107736127B (en) A pepper picking device
CN209473056U (en) A fruit picking device
CN208956459U (en) A kind of Handheld fruit device for picking

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: 20181211

Termination date: 20210514

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