CN106074025A - A kind of electronic upper mechanism downstairs - Google Patents

A kind of electronic upper mechanism downstairs Download PDF

Info

Publication number
CN106074025A
CN106074025A CN201610399642.2A CN201610399642A CN106074025A CN 106074025 A CN106074025 A CN 106074025A CN 201610399642 A CN201610399642 A CN 201610399642A CN 106074025 A CN106074025 A CN 106074025A
Authority
CN
China
Prior art keywords
plate
outrigger
connector
supporting leg
supporting
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.)
Granted
Application number
CN201610399642.2A
Other languages
Chinese (zh)
Other versions
CN106074025B (en
Inventor
田丽萍
王俊峰
刘小民
刘晓利
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.)
Luoyang Institute of Science and Technology
Original Assignee
Luoyang Institute of Science and Technology
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 Luoyang Institute of Science and Technology filed Critical Luoyang Institute of Science and Technology
Priority to CN201610399642.2A priority Critical patent/CN106074025B/en
Publication of CN106074025A publication Critical patent/CN106074025A/en
Application granted granted Critical
Publication of CN106074025B publication Critical patent/CN106074025B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/061Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/068Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps with extensible supports pushing upwards, e.g. telescopic legs

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ladders (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)

Abstract

The present invention is related to a kind of electronic upper mechanism downstairs, and including supporting plate and outrigger plate, wherein said supporting plate side is installed with supporting plate clasp nut, and opposite side is installed with the first motor, and this first motor connects multiple first leading screw;Described outrigger plate is located under supporting plate, it includes the first outrigger plate, the second outrigger plate and the 3rd outrigger plate, wherein the 3rd outrigger plate both sides set gradually the second outrigger plate and the first outrigger plate respectively, and above-mentioned outrigger plate is by connector and fixed supporting leg clasp nut at an upper portion thereof and the telescopic outrigger composition of bottom;Connected by supporting leg between plate between described supporting plate and connector, and the first leading screw through supporting leg between this plate and engages with supporting leg clasp nut;Being installed with the second motor and the second leading screw connected with this motor on connector on described 3rd outrigger plate, this second leading screw passes supporting plate clasp nut.Present configuration is simply readily produced, and safety and stability in use, has a good application prospect.

Description

A kind of electronic upper mechanism downstairs
Technical field
The present invention relates to assisted living technical field of mechanical equipment, be specifically related to a kind of electronic upper mechanism downstairs.
Background technology
Stair in present life, step application more and more universal, this is just to old people, infant and disabled Life brings great inconvenience.In more particularly, lower building is substantially without lift facility, in this case, and old people, baby Child and disabled are difficult to safely and conveniently upper going downstairs so that they are the most inconvenient with exchanging of the external world.And existing upstairs Mechanism, exist layback translate into, the potential safety hazard such as slip and structure is complicated, take up space the defect such as big.
Because the defect that above-mentioned existing mechanism upstairs exists, the present inventor manufactures many based on being engaged in this type of product design Year abundant practical experience and Professional knowledge, and coordinate the utilization of scientific principle, the most in addition research and innovation, a kind of novel to founding The electronic upper mechanism downstairs of structure, it is possible to improve the most existing mechanism upstairs so that it is have more practicality.Through constantly grinding Study carefully, design, and after repeatedly studying sample and improving, finally create the present invention having practical value.
Summary of the invention
It is an object of the invention to, overcome the defect that existing mechanism upstairs exists, and the electricity of a kind of new structure is provided Dynamic upper mechanism downstairs, to be solved technical problem is that can show steady safe stair activity, thus more suitable for practicality.
The object of the invention to solve the technical problems is to use following technical scheme to realize.Carry according to the present invention The electronic upper mechanism downstairs of one gone out, it includes that supporting plate 1 and outrigger plate 2, wherein said supporting plate 1 side are installed with supporting plate folding spiral shell Female 3, opposite side is installed with the first motor 4, and this first motor connects multiple first leading screw 6;Described outrigger plate 2 is located at torr Below plate 1, it includes the first outrigger plate the 9, second outrigger plate 10 and the 3rd outrigger plate 11, and wherein, the 3rd outrigger plate 11 both sides are divided Do not set gradually the second outrigger plate 10 and the first outrigger plate 9, and above-mentioned outrigger plate by connector 14 and fixed at an upper portion thereof Supporting leg clasp nut 12 and the telescopic outrigger 13 of bottom form;By supporting leg 8 between plate between described supporting plate 1 and connector 14 Connect, and the first leading screw 6 through supporting leg 8 between this plate and engages with supporting leg clasp nut 12;On the 3rd described outrigger plate 11 Connector 14 side be installed with the second motor 5 and the second leading screw 7 connected with this motor, and this second leading screw 7 is through supporting plate Clasp nut 3.
The purpose of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid electronic upper mechanism downstairs, the connector 14 of the most each described outrigger plate is provided with one or more Lower limb clasp nut 12.
Aforesaid electronic upper downstairs mechanism, the first wherein said outrigger plate the 9, second outrigger plate 10 and the 3rd outrigger plate 11 On be equipped with 1 telescopic outrigger 13, and the telescopic outrigger 13 of the 3rd outrigger plate 11 and the first outrigger plate 9 is respectively positioned on connector 14 1 Side, the telescopic outrigger 13 on the second outrigger plate 10 is positioned in the middle part of connector 14.
Aforesaid electronic upper mechanism downstairs, the 3rd wherein said outrigger plate 11 is provided with two telescopic outriggers 13, and first 1 telescopic outrigger 13 it is equipped with on outrigger plate 9 and the second outrigger plate 10, and stretching on the 3rd outrigger plate 11 and the first outrigger plate 9 Contracting supporting leg 13 is respectively positioned on connector 14 side, and the telescopic outrigger 13 on the second outrigger plate 10 is positioned in the middle part of connector 14.
Aforesaid electronic upper mechanism downstairs, between wherein said plate, supporting leg 8 is slidably connected at supporting plate 1 and connector 14 On.
Aforesaid electronic upper mechanism downstairs, between wherein said plate, supporting leg 8 one end is fixed on connector 14, the other end It is slidably connected on upper plate 1.
Aforesaid electronic upper mechanism downstairs, wherein said each connector 14 is provided with 2 or 2 to support between upper plate Lower limb 8.
Aforesaid electronic upper mechanism downstairs, is equipped with anti-bull stick 15, props up between described plate in wherein said connector 14 Support leg 8 is installed in one end of this anti-bull stick 15.
The present invention compared with prior art has clear advantage and beneficial effect.By technique scheme, the present invention A kind of electronic upper mechanism downstairs can reach suitable technological progress and practicality, and has the extensive value in industry, It at least has the advantage that present configuration is simply readily produced, and safety and stability in use, before having good application Scape.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of electronic upper mechanism downstairs of the present invention;
Fig. 2 is the top view of a kind of electronic upper mechanism downstairs of the present invention;
Fig. 3 A is the structural representation of a kind of electronic upper mechanism's the first outrigger plate downstairs of the present invention;
Fig. 3 B is the structural representation of a kind of electronic upper mechanism's the second outrigger plate downstairs of the present invention;
Fig. 3 C is the structural representation of a kind of electronic upper mechanism the 3rd outrigger plate downstairs of the present invention;
Fig. 4 A-4E is the use state diagram of a kind of electronic upper mechanism downstairs of the present invention.
[main element symbol description]
1: supporting plate
2: outrigger plate
3: supporting plate clasp nut
4: the first motors
5: the second motors
6: the first leading screws
7: the second leading screws
8: supporting leg between plate
9: the first outrigger plates
10: the second outrigger plates
11: the three outrigger plates
12: supporting leg clasp nut
13: telescopic outrigger
14: connector
15: anti-bull stick
Detailed description of the invention
By further illustrating the technological means and effect that the present invention taked by reaching predetermined goal of the invention, below in conjunction with Accompanying drawing and preferred embodiment, upper downstairs mechanism its detailed description of the invention, structure, feature electronic to the one proposed according to the present invention And effect, after describing in detail such as.
Referring to Fig. 1-Fig. 3, a kind of electronic upper mechanism downstairs of the present invention includes supporting plate 1 and outrigger plate 2, wherein said supporting plate 1 side is installed with supporting plate clasp nut 3, and opposite side is installed with the first motor 4, and this first motor 4 connects multiple first Thick stick 6.Described outrigger plate 2 is located at below supporting plate 1, and it includes 9, two the second outrigger plates 10 of two the first outrigger plates and one Three outrigger plates 11, wherein, the 3rd outrigger plate 11 is centrally located, and its both sides set gradually the second outrigger plate 10 and first respectively Outrigger plate 9, and the above-mentioned outrigger plate supporting leg clasp nut 12 that by connector 14 and is installed in connector 14 top and bottom Telescopic outrigger 13 form.Described supporting plate 1 is connected by supporting leg 8 between plate with the connector 14 of above-mentioned each outrigger plate, and institute State the first leading screw 6 and pass supporting leg 8 between this plate, and engage with supporting leg clasp nut 12.Owing to each outrigger plate is by first Thick stick 6 engages drive with the supporting leg clasp nut 12 on connector 14, at least corresponding first leading screw 6 of the most each outrigger plate.Institute Connector 14 side on the 3rd outrigger plate 11 stated is installed with the second motor 5, and this second motor 5 connects the second leading screw 7, This second leading screw 7 is through described supporting plate clasp nut 3.
It is also preferred that the left above-mentioned electronic on downstairs in mechanism, first described outrigger plate the 9, second outrigger plate 10 and the 3rd 1 telescopic outrigger 13 it is equipped with on outrigger plate 11, and the 3rd outrigger plate 11 and telescopic outrigger 13 company of being respectively positioned on of the first outrigger plate 9 Fitting 14 side, the telescopic outrigger 13 on the second outrigger plate 10 is positioned in the middle part of connector 14.The most whole mechanism upstairs is provided with 5 altogether Individual telescopic outrigger 13, these 5 telescopic outriggers 13, wherein four that is the most symmetrical relative to middle.
It is also preferred that the left above-mentioned electronic on downstairs in mechanism, the 3rd outrigger plate 11 is provided with two telescopic outriggers 13, first It is equipped with 1 telescopic outrigger 13 on outrigger plate 9 and the second outrigger plate 10, and the 3rd outrigger plate 11 and the first outrigger plate 9 is flexible Supporting leg 13 is respectively positioned on connector 14 side, and the telescopic outrigger 13 on the second outrigger plate 10 is positioned in the middle part of connector 14.Now, whole Mechanism is provided with 6 telescopic outriggers 13 altogether upstairs, and these six supporting legs are symmetrical arranged two-by-two.
It is also preferred that the left in above-mentioned electronic upper mechanism downstairs, first described outrigger plate the 9, second outrigger plate 10 and the 3rd Lower limb plate 11 is provided with one or more supporting leg clasp nuts 12.
It is also preferred that the left in above-mentioned electronic upper mechanism downstairs, between described plate, supporting leg 8 is slidably connected at supporting plate 1 and connects On part 14.
It is also preferred that the left in above-mentioned electronic upper mechanism downstairs, between described plate, supporting leg 8 one end is fixed on connector 14, The other end is slidably connected on upper plate 1.
It is also preferred that the left in above-mentioned electronic upper mechanism downstairs, each connector 14 is provided with supporting leg 8 between at least 2 plates.
It is also preferred that the left in above-mentioned electronic upper mechanism downstairs, each connector 14 is all equipped with anti-bull stick 15, and props up between plate Support leg 8 is affixed with one end of this anti-bull stick 15.
The operation principle of a kind of electronic upper mechanism downstairs of the present invention is as follows:
It is the original state figure of the present invention to refer to Fig. 4 A, and now the supporting leg of the first outrigger plate 9 is positioned at this mechanism Left side, the supporting leg of the second outrigger plate 10 is positioned at the centre of this mechanism, and the 3rd outrigger plate 11 is positioned at the rightmost side of this mechanism.
Referring to Fig. 4 B, the supporting leg clasp nut 12 on the second outrigger plate 10 closes, and supporting leg 13 is packed up, on other outrigger plates Supporting leg clasp nut all unclamp, the first motor 4 drives the first leading screw 6 transmission so that the second outrigger plate 10 supporting leg thereon is opened Closing and move forward two step width under the drive of nut 12, then supporting leg 13 stretches out, and contacts support with ground.
Referring to Fig. 4 C, the supporting leg clasp nut 12 on the 3rd outrigger plate 11 closes, and supporting leg 13 is packed up, on other outrigger plates Supporting leg clasp nut all unclamp, the first motor 4 drives the first leading screw 6 transmission so that the 3rd outrigger plate 11 is at supporting leg folding spiral shell Being moved rearwards by a step width under the drive of female 12, supporting leg 13 the most thereon stretches out, and contacts support with ground.
Referring to Fig. 4 D, between plate, clasp nut 3 closes, and the second motor 5 drives the second leading screw 7 transmission affixed on it, makes Obtain supporting plate 1 and move forward a step width.
Referring to Fig. 4 E, the supporting leg clasp nut 12 on the first outrigger plate 9 closes, and supporting leg 13 is packed up, on other outrigger plates Supporting leg clasp nut all unclamp, the first motor 4 drives the second leading screw 6 transmission so that the first outrigger plate 9 is at clasp nut 12 Moving forward two step width under drive, supporting leg 13 the most thereon stretches out, and contacts support with ground.
Repeat the above steps, can realize working upstairs completes.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.

Claims (8)

1. an electronic upper mechanism downstairs, it includes supporting plate (1) and outrigger plate (2), it is characterised in that:
Wherein said supporting plate (1) side is installed with supporting plate clasp nut (3), and opposite side is installed with the first motor (4), this first electricity Connect on machine and have multiple first leading screw (6);
Described outrigger plate (2) is located at supporting plate (1) lower section, and it includes the first outrigger plate (9), the second outrigger plate (10) and the 3rd Lower limb plate (11), wherein, the 3rd outrigger plate (11) both sides set gradually the second outrigger plate (10) and the first outrigger plate (9) respectively, and Above-mentioned outrigger plate is by connector (14) and fixed supporting leg clasp nut (12) at an upper portion thereof and the telescopic outrigger of bottom (13) composition;
Connected by supporting leg (8) between plate between described supporting plate (1) and connector (14), and the first leading screw (6) passes between this plate Supporting leg (8) also engages with supporting leg clasp nut (12);
Described connector (14) side on the 3rd outrigger plate (11) is installed with the second motor (5) and connect with this motor Two leading screws (7), and this second leading screw (7) is through supporting plate clasp nut (3).
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that the connection of the most each described outrigger plate Part (14) is provided with one or more supporting leg clasp nuts (12).
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that wherein said the first outrigger plate (9), the 1 telescopic outrigger (13) it is equipped with on two outrigger plates (10) and the 3rd outrigger plate (11), and the 3rd outrigger plate (11) and first Telescopic outrigger (13) on lower limb plate (9) is respectively positioned on connector (14) side, telescopic outrigger (13) position on the second outrigger plate (10) In connector (14) middle part.
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that on the 3rd wherein said outrigger plate (11) It is provided with on two telescopic outriggers (13), the first outrigger plate (9) and the second outrigger plate (10) and is equipped with 1 telescopic outrigger (13), and Telescopic outrigger (13) on 3rd outrigger plate (11) and the first outrigger plate (9) is respectively positioned on connector (14) side, the second outrigger plate (10) telescopic outrigger (13) on is positioned at connector (14) middle part.
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that between wherein said plate, supporting leg (8) is sliding It is automatically connected on supporting plate (1) and connector (14).
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that supporting leg (8) one between wherein said plate End is fixed on connector (14), and the other end is slidably connected on upper plate (1).
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that on wherein said each connector (14) It is provided with 2 or 2 with supporting leg between upper plate (8).
Electronic upper mechanism downstairs the most according to claim 1, it is characterised in that wear in wherein said connector (14) Having anti-bull stick (15), between described plate, supporting leg (8) is installed in one end of this anti-bull stick (15).
CN201610399642.2A 2016-06-07 2016-06-07 A kind of electronic upper mechanism downstairs Expired - Fee Related CN106074025B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610399642.2A CN106074025B (en) 2016-06-07 2016-06-07 A kind of electronic upper mechanism downstairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610399642.2A CN106074025B (en) 2016-06-07 2016-06-07 A kind of electronic upper mechanism downstairs

Publications (2)

Publication Number Publication Date
CN106074025A true CN106074025A (en) 2016-11-09
CN106074025B CN106074025B (en) 2018-05-15

Family

ID=57228068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610399642.2A Expired - Fee Related CN106074025B (en) 2016-06-07 2016-06-07 A kind of electronic upper mechanism downstairs

Country Status (1)

Country Link
CN (1) CN106074025B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11759379B2 (en) * 2017-11-10 2023-09-19 Orbilift Pty Ltd Conveyance for surmounting obstacles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653301A (en) * 1994-08-02 1997-08-05 Andre; Emile Robert Wheel-supported apparatus for climbing and descending stairs
CN2451090Y (en) * 2000-07-25 2001-10-03 侯乐平 Wheel chair capable of up-down stairs
CN101954936A (en) * 2009-11-10 2011-01-26 薛明 Power-driven stair device capable of vertically lifting and horizontally displacing
CN104925162A (en) * 2015-06-23 2015-09-23 胡凌翔 Electric stair-climbing robot
CN204890388U (en) * 2015-07-09 2015-12-23 郑州大学 Accessible platform downstairs of going up
CN205866976U (en) * 2016-06-07 2017-01-11 洛阳理工学院 Electronic upstairs or downstairs mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653301A (en) * 1994-08-02 1997-08-05 Andre; Emile Robert Wheel-supported apparatus for climbing and descending stairs
CN2451090Y (en) * 2000-07-25 2001-10-03 侯乐平 Wheel chair capable of up-down stairs
CN101954936A (en) * 2009-11-10 2011-01-26 薛明 Power-driven stair device capable of vertically lifting and horizontally displacing
CN104925162A (en) * 2015-06-23 2015-09-23 胡凌翔 Electric stair-climbing robot
CN204890388U (en) * 2015-07-09 2015-12-23 郑州大学 Accessible platform downstairs of going up
CN205866976U (en) * 2016-06-07 2017-01-11 洛阳理工学院 Electronic upstairs or downstairs mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11759379B2 (en) * 2017-11-10 2023-09-19 Orbilift Pty Ltd Conveyance for surmounting obstacles

Also Published As

Publication number Publication date
CN106074025B (en) 2018-05-15

Similar Documents

Publication Publication Date Title
CN203041220U (en) Elevator type table used as both dinning table and tea table
CN207715994U (en) A kind of movable building equipment
CN102008377A (en) Stretcher with height-adjustable supporting legs
CN105923068B (en) A kind of upper mechanism downstairs equipped with deflecting roller
CN110840668A (en) Multifunctional convenient wheelchair capable of going upstairs and downstairs
CN106074025A (en) A kind of electronic upper mechanism downstairs
CN106043489B (en) A kind of upper mechanism downstairs of lead screw transmission
CN105946943B (en) A kind of upper mechanism downstairs of multi-stage oil cylinder driving
CN205866976U (en) Electronic upstairs or downstairs mechanism
CN205737791U (en) A kind of upper mechanism downstairs of lead screw transmission
CN205668602U (en) The upper mechanism downstairs that a kind of Rodless cylinder drives
CN205737790U (en) A kind of upper mechanism downstairs of Electromagnetic Drive
CN205668605U (en) A kind of upper mechanism downstairs being provided with deflecting roller
CN205737782U (en) A kind of upper mechanism downstairs being provided with reducer
CN206007488U (en) Go downstairs in one kind mechanism
CN205866977U (en) Upstairs or downstairs mechanism
CN106005082B (en) A kind of upper mechanism downstairs of Rodless cylinder driving
CN211433751U (en) Multifunctional convenient wheelchair capable of going upstairs and downstairs
CN106038105A (en) Belt-conveyed mechanism for going up and going down stairs
CN205129503U (en) Iron fillings case turning device
CN105905184B (en) A kind of upper mechanism downstairs of electromagnetic drive
CN105919738B (en) Go downstairs mechanism in one kind
CN203254390U (en) Foldable workbench
CN208577396U (en) High-tension switch cabinet multifunctional dolly device
CN106074024A (en) Go downstairs in one mechanism

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Li Zhouji

Inventor after: Xu Zhiwei

Inventor after: Li Sufang

Inventor after: Tian Liping

Inventor after: Wang Junfeng

Inventor before: Tian Liping

Inventor before: Wang Junfeng

Inventor before: Liu Xiaomin

Inventor before: Liu Xiaoli

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180515

Termination date: 20200607

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