CN114215187B - Convenient to use's assembled building wall connecting device - Google Patents

Convenient to use's assembled building wall connecting device Download PDF

Info

Publication number
CN114215187B
CN114215187B CN202111583621.3A CN202111583621A CN114215187B CN 114215187 B CN114215187 B CN 114215187B CN 202111583621 A CN202111583621 A CN 202111583621A CN 114215187 B CN114215187 B CN 114215187B
Authority
CN
China
Prior art keywords
fixed
tables
threaded
extension
pushing
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.)
Active
Application number
CN202111583621.3A
Other languages
Chinese (zh)
Other versions
CN114215187A (en
Inventor
曹付琼
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 Shuimu Construction Engineering Group Co ltd
Wei Wangchun
Original Assignee
Wei Wangchun
Anhui Shuimu Construction Engineering Group 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 Wei Wangchun, Anhui Shuimu Construction Engineering Group Co ltd filed Critical Wei Wangchun
Priority to CN202111583621.3A priority Critical patent/CN114215187B/en
Publication of CN114215187A publication Critical patent/CN114215187A/en
Application granted granted Critical
Publication of CN114215187B publication Critical patent/CN114215187B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • E04B1/34321Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E04B1/3448Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with rotating shell-forming segments
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/82Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention relates to the field of building tools, in particular to an assembled building wall connecting device convenient to use, which comprises an extension driving gear shaft, two extension processing tables, two corner tables, two pushing tables and a plurality of sliding bolt seats, wherein two ends of the extension driving gear shaft are respectively meshed with the two extension processing tables which are in transmission connection, the two extension processing tables are respectively in rotational connection with the two corner tables which are used for angle adjustment, the two pushing tables which are respectively and transversely slid to be connected for pushing are respectively arranged on the two corner tables, and the pushing tables are longitudinally and slidably connected with the sliding bolt seats of a wall body. The extension driving gear shaft rotates in a central fixing table for fixing the center, two pull rings are fixed at the upper end of the central fixing table, and the lower end of the central fixing table is fixed through foundation bolts; the invention has the beneficial effect that the two walls which are staggered and have angle offset can be connected.

Description

Convenient to use's assembled building wall connecting device
Technical Field
The invention relates to the field of building tools, in particular to an assembled building wall connecting device convenient to use.
Background
When the temporary equipment is used for connecting and fixing two walls in the building construction process, temporary equipment is usually required, so that temporary fixing application is packaged, and the temporary equipment is convenient to assemble and disassemble; the national institute of knowledge discloses a convenient to use's assembled building wall connecting device. Including first wallboard and second wallboard, the right side of first wallboard is first heliciform structure, the second wallboard left side is with first wallboard matched with second heliciform structure, first wallboard and second wallboard cooperate through first heliciform structure and second heliciform structure, open respectively on first heliciform structure and the second heliciform structure vertical plane has through-hole of equidimension, top-down, through-hole on the first heliciform structure and the through-hole on the second heliciform structure mutually support, be fixed with matched with locating part in the through-hole. Through the cooperation of tooth form structure and through-hole, completion that can be simple is dismantled and the installation work, labour saving and time saving, convenient and fast. But the device cannot engage two walls that are staggered and angularly offset.
Disclosure of Invention
The invention aims to provide an assembled building wall connecting device which is convenient to use and has the beneficial effects that two staggered walls and two walls with angle offset can be connected.
The aim of the invention is achieved by the following technical scheme:
the invention aims at providing an assembled building wall connecting device convenient to use, which comprises an extension driving gear shaft, two extension processing tables, two corner tables, two pushing tables and a plurality of sliding bolt seats, wherein two ends of the extension driving gear shaft are respectively engaged and transmitted with the two extension processing tables for extension connection, the two extension processing tables are respectively connected with the two corner tables for angle adjustment in a rotating way, the two pushing tables are respectively and transversely slid for connecting and pushing, and the pushing tables are longitudinally and slidably connected with the sliding bolt seats of a wall.
The extension drive gear shaft rotates in a central fixed table for fixing a center, two pull rings are fixed at the upper end of the central fixed table, the lower end of the central fixed table is fixed through foundation bolts, and two limiting sliding grooves are respectively formed in two ends of the central fixed table.
The extension processing table is fixedly provided with a limiting sliding rack, the extension processing table slides in a limiting sliding groove of the central fixing table through the limiting sliding rack and is meshed with the transmission extension driving gear shaft, and the outer end of the extension processing table is provided with an angle rotating groove convenient for angle adjustment.
The corner platform comprises a hand rotation angle rotating shaft, an angle rotating frame and a pushing chute hand rotation angle rotating shaft, wherein the hand rotation angle rotating shaft is fixed on a boss of the angle rotating frame and rotates in an angle rotating groove of the extension processing platform, and the pushing chute is arranged on the angle rotating frame.
The center fixing table is fixed through the foundation bolts between two walls, the fixed extension driving gear shaft is driven to rotate through manual rotation, the two extension processing tables are further extended respectively to reach the appointed positions of the threaded connecting seats on the walls, the angle adjustment is carried out through the two corner tables according to the included angle or staggered relation between the two walls, and the two pushing tables are simultaneously driven to be attached to the threaded connecting seats to determine the level, and then are connected with the threaded connecting seats through a plurality of sliding bolt seats to be connected and fixed; and further realizing the connection and fixation of two staggered walls with angle offset.
Drawings
FIG. 1 is a schematic view of an extension drive of the present invention;
FIG. 2 is a schematic view of the structure of the center fixing table of the present invention;
FIG. 3 is a schematic diagram of an extension drive of the present invention;
FIG. 4 is a schematic view of an extension table according to the present invention;
FIG. 5 is a schematic diagram of a second embodiment of an extension stage of the present invention;
FIG. 6 is a schematic view of the structure of the corner stand of the present invention;
FIG. 7 is a schematic view of the structure of the corner stand of the present invention;
FIG. 8 is a schematic view of the sliding bolt seat of the present invention;
FIG. 9 is a schematic view of the structure of the wall of the present invention;
FIG. 10 is a schematic view of the overall structure of the present invention;
fig. 11 is a schematic diagram of the overall structure of the present invention.
In the figure: extending the driving gear shaft 1; an extension processing table 2; a corner table 3; a propulsion station 4; a plurality of sliding bolt seats 5; a center fixed table 6; a limit chute 7; an angle rotation groove 9; a limit sliding rack 10; a hand rotation angle rotation shaft 11; an angle rotating frame 12; a push chute 13; advancing the screw 14; a fixed spindle base 15; a screw thread slide table 16; a longitudinal slide 17; locking the connecting bolt 18; a threaded connection seat 19; a wall 20.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in the embodiment shown here,
through the central fixed table 6 between two walls, the central fixed table 6 is fixed through foundation bolts, then the hand-rotation driving is used for fixing the extension driving gear shaft 1 to rotate, and further the two extension processing tables 2 are respectively extended to reach the appointed position of the threaded connecting seat 19 on the wall 20, according to the included angle or staggered relation between the two walls 20, the angle adjustment is carried out through the two corner tables 3, and meanwhile, after the two pushing tables 4 are driven to be attached to the threaded connecting seat 19 to determine the level, the threaded connecting seat 19 is connected through the sliding bolt seats 5 to carry out connection fixation; thereby realizing the connection and fixation of the two staggered wall bodies 20 with the angle offset
Further optimizing in connection with the above embodiments:
further examples of a convenient to use fabricated building wall connection according to figures 1, 2, 3 and 10 are the following:
the center fixing table 6 is fixed at the middle position by the foundation bolts by determining the distance between the two walls 20, and then the two extension processing tables 2 are driven to slide and extend to the corresponding positions on the center fixing table 6 by rotating the extension driving gear shaft 1.
Further optimizing in connection with the above embodiments:
further examples of a convenient to use fabricated building wall connection according to figures 3, 4, 5 and 6 are the following:
the gear shaft 1 is driven by rotation and the two limiting sliding racks 10 are driven by gears to drive in opposite directions in the limiting sliding groove 7 of the center fixing table 6, so that the extension processing table 2 reaches a designated position for connection and fixation.
Further optimizing in connection with the above embodiments:
further operation of one example of a convenient to use fabricated building wall connection according to figures 6, 7, 10 and 11 is as follows:
through manual drive hand angle axis of rotation 11 rotation, and then drive angle rotation frame 12 takes place the angular displacement in angle rotation groove 9, and then realizes the rotation of angle, confirms the back of angular position, fixes hand angle axis of rotation 11 through the screw thread top, transversely slides in propulsion spout 13 and advances propulsion platform 4 for convenient better connection in the side level.
Further optimizing in connection with the above embodiments:
the further propelling table 4 transversely slides in a propelling chute 13 of the corner table 3, the propelling table 4 is in threaded fit connection with a propelling screw 14 for propelling through a threaded seat, and the propelling screw 14 rotates in a fixed rotating shaft table 15 fixed on the angle rotating frame 12. This part is according to the working procedure of an example of a convenient to use fabricated building wall connection device shown in fig. 6, 7, 10 and 11: through with the angle behind the definite, rotatory propulsion screw rod 14, through screw-thread fit, make advance platform 4 outside displacement in advancing spout 13, and then make advance platform 4 and the screw connection seat 19 laminating observation side level that is to be connected, prevent fixed linking skew, continue to link up after the level, if not level then continue angle regulation or extension position, until the level.
Further optimizing in connection with the above embodiments:
the sliding bolt seat 5 further comprises a threaded sliding table 16, a longitudinal sliding block 17 and a locking connecting bolt 18, the longitudinal sliding block 17 is fixed at the outer end of the threaded sliding table 16, and the threaded sliding table 16 longitudinally slides in the pushing table 4 through the longitudinal sliding block 17; the locking connection bolt 18 is connected to the threaded sliding table 16 by a threaded fit. This part is according to the working procedure of an example of a convenient to use fabricated building wall connection device shown in fig. 9, 10 and 11: after the horizontal measurement is completed through the pushing table 4, the longitudinally sliding threaded sliding table 16 is lifted in the pushing table 4, the threaded holes in the threaded connecting seat 19 are aligned, the locking connecting bolts 18 are connected in the threaded connecting seat 19 in a threaded fit mode, connection and fixation are completed, and the fixing effect is better through sequentially inserting the locking connecting bolts 18.
Further optimizing in connection with the above embodiments:
further the center fixed station 6 is fixed on the ground through rag bolts, two walls 20 for connection are fixed on the ground, and threaded connection seats 19 are fixed on the two walls 20. This part is according to the working procedure of an example of a convenient to use fabricated building wall connection device shown in fig. 2, 10 and 11: through the initial setting according to two wall bodies 20, and then confirm the extension of device, angle, level and linking, two wall bodies 20 crisscross setting then need not angle modulation can, be the angle setting two wall bodies 20 then need according to actual conditions, angle modulation and side level, later link up, and then outstanding device's strain and result of use.
Further optimizing in connection with the above embodiments:
further, the threaded connection seat 19 is connected with locking connection bolts 18 in the sliding bolt seats 5 through threaded fit. This part is according to the working procedure of an example of a convenient to use fabricated building wall connection device shown in fig. 9, 10 and 11: the threaded connection seat 19 is connected through the locking connection bolts 18 on the sliding bolt seat 5, so that the two walls 20 are connected and fixed, the temporary connection and fixation functions are achieved, and the completion and safety of the whole building construction are guaranteed.
Further optimizing in connection with the above embodiments:
further said pushing table 4 is pushed and slid laterally in the pushing chute 13 by the rotation of the pushing screw 14. This part is according to the working procedure of an example of a convenient to use fabricated building wall connection device shown in fig. 9, 10 and 11: through the propelling table 4 in propelling chute 13 horizontal slip's propelling movement, after guaranteeing that the angle modulation is fixed, through propelling table 4 and two screw connection seat 19's laminating, observe horizontal effect, and then avoid linking to appear the skew, influence the fixed effect of linking. The pushing table 4 is attached to the threaded connecting seat 19.

Claims (5)

1. The utility model provides a convenient to use's assembled building wall connecting device, includes extension drive tooth axle (1), two extension processing platform (2), two corner platform (3), two advance platform (4) and a plurality of slip bolt seat (5), its characterized in that: two ends of the extension driving gear shaft (1) are respectively engaged with two extension processing tables (2) which are used for extension connection, the two extension processing tables (2) are respectively connected with two corner tables (3) which are used for angle adjustment in a rotating way, the two corner tables (3) are respectively and transversely slid to be used for connecting and pushing two pushing tables (4), and a plurality of sliding bolt seats (5) which are longitudinally and slidably connected with a wall body are arranged on the pushing tables (4);
the extension driving gear shaft (1) rotates in a central fixing table (6) for fixing a center, two pull rings are fixed at the upper end of the central fixing table (6), the lower end of the central fixing table (6) is fixed through foundation bolts, and two limiting sliding grooves (7) are respectively formed in two ends of the central fixing table (6);
a limiting sliding rack (10) is fixed on the extending processing table (2), the extending processing table (2) slides in a limiting sliding groove (7) of the center fixed table (6) through the limiting sliding rack (10) and is meshed with the transmission extending driving gear shaft (1), and an angle rotating groove (9) convenient for angle adjustment is formed in the outer end of the extending processing table (2);
the turning table (3) comprises a hand rotation angle rotating shaft (11), an angle rotating frame (12) and a pushing chute (13), wherein the hand rotation angle rotating shaft (11) is fixed on a boss of the angle rotating frame (12) and rotates in the angle rotating chute (9) of the extension processing table (2), and the pushing chute (13) is arranged on the angle rotating frame (12);
the propelling table (4) transversely slides in a propelling chute (13) of the corner table (3), the propelling table (4) is in threaded fit connection with a propelling screw (14) for propelling through a threaded seat, and the propelling screw (14) rotates in a fixed rotating shaft table (15) fixed on the angle rotating frame (12);
the sliding bolt seat (5) comprises a threaded sliding table (16), a longitudinal sliding block (17) and a locking connecting bolt (18), the longitudinal sliding block (17) is fixed at the outer end of the threaded sliding table (16), and the threaded sliding table (16) longitudinally slides in the pushing table (4) through the longitudinal sliding block (17); the locking connecting bolt (18) is connected to the threaded sliding table (16) through threaded fit.
2. The convenient-to-use assembled building wall connecting device according to claim 1, wherein the center fixing table (6) is fixed on the ground through foundation bolts, two walls (20) for connection are fixed on the ground, and threaded connecting seats (19) are fixed on the two walls (20).
3. A prefabricated building wall connection device according to claim 2, wherein the threaded connection seat (19) is connected with locking connection bolts (18) in a plurality of sliding bolt seats (5) by threaded fit.
4. A prefabricated building wall connection device according to claim 1, wherein the propulsion platform (4) is laterally propelled and slid in the propulsion chute (13) by rotation of the propulsion screw (14).
5. A ready-to-use fabricated building wall connection device according to claim 2, wherein the propulsion table (4) fits the threaded connection seat (19).
CN202111583621.3A 2021-12-22 2021-12-22 Convenient to use's assembled building wall connecting device Active CN114215187B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111583621.3A CN114215187B (en) 2021-12-22 2021-12-22 Convenient to use's assembled building wall connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111583621.3A CN114215187B (en) 2021-12-22 2021-12-22 Convenient to use's assembled building wall connecting device

Publications (2)

Publication Number Publication Date
CN114215187A CN114215187A (en) 2022-03-22
CN114215187B true CN114215187B (en) 2023-05-30

Family

ID=80705327

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111583621.3A Active CN114215187B (en) 2021-12-22 2021-12-22 Convenient to use's assembled building wall connecting device

Country Status (1)

Country Link
CN (1) CN114215187B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211228937U (en) * 2019-10-31 2020-08-11 中国二十二冶集团有限公司 Assembled wall body contained angle connecting device
KR102144434B1 (en) * 2019-10-11 2020-08-13 조한영 Installation of temporary apparatus for curtain wall and temporary apparatus for curtain wall
CN111980162A (en) * 2020-09-15 2020-11-24 金螳螂精装科技(苏州)有限公司 Mounting structure of building assembled wall body

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10626610B2 (en) * 2016-04-27 2020-04-21 Krueger International, Inc. Wall panel angled connector system
CN109386147A (en) * 2018-11-27 2019-02-26 上海工程技术大学 A kind of fixed frame of the exhibitions spatial design convenient for connection
CN209779962U (en) * 2019-04-18 2019-12-13 马玉龙 ALC evaporates presses aerated concrete batten slope partition wall structure
CN110725419A (en) * 2019-10-31 2020-01-24 中国二十二冶集团有限公司 Method for installing included angle of assembled wall and special connecting device for method
CN213233896U (en) * 2020-08-06 2021-05-18 江苏乐嘉华创建筑科技有限公司 Novel connection of prefabricated building device
CN213709964U (en) * 2020-09-04 2021-07-16 侯新刚 Building structure integration installation coupling mechanism
CN112211318B (en) * 2020-09-23 2021-10-22 重庆工程职业技术学院 Convenient to use's assembled building wall connecting device
CN113445765A (en) * 2021-06-25 2021-09-28 无锡市亨利富建设发展有限公司 Connecting component for assembly type building
CN113775077A (en) * 2021-08-11 2021-12-10 深圳市大红点装饰有限公司 Assembled integration wall body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102144434B1 (en) * 2019-10-11 2020-08-13 조한영 Installation of temporary apparatus for curtain wall and temporary apparatus for curtain wall
CN211228937U (en) * 2019-10-31 2020-08-11 中国二十二冶集团有限公司 Assembled wall body contained angle connecting device
CN111980162A (en) * 2020-09-15 2020-11-24 金螳螂精装科技(苏州)有限公司 Mounting structure of building assembled wall body

Also Published As

Publication number Publication date
CN114215187A (en) 2022-03-22

Similar Documents

Publication Publication Date Title
CN114215187B (en) Convenient to use's assembled building wall connecting device
CN211597846U (en) Civil engineering construction support
CN209740599U (en) quick jacking platform mechanism
CN109211187A (en) A kind of plotting board and mapping method
CN203954679U (en) The novel excavator of travelling
CN110468844A (en) A kind of hydraulic pile pulling device
CN207032332U (en) A kind of screw-in pile driving equipment for screw pile experiment
CN207681524U (en) A kind of equipment for flange pore-forming
CN108706502A (en) A kind of mesa structure adjusted for shearing type lifter center of gravity
CN206353922U (en) Loosenning tiller and its loosing earth mechanism
CN212004941U (en) Surveying and mapping device for constructional engineering
CN108372465A (en) A kind of train shaft coupling production fixing device
CN212398675U (en) Device for rolling reinforcement cage
CN202706028U (en) Multifunctional piling machine with rotary vertical shaft
CN218066472U (en) Level meter used in building field
CN213856847U (en) Support frame structure of foundation bolt thread rolling machine
CN215565782U (en) Telescopic drill rod and multifunctional telescopic high-pressure rotary jet drilling machine
CN219543090U (en) Lifting workbench for machining
CN211163847U (en) Reinforcing bar processing extends auxiliary platform
CN210460485U (en) Underground retaining wall stirring drilling machine and pile machine equipment
CN205466163U (en) Three -dimensional handling robot of 6 -degree of freedom
CN219484723U (en) Fastening device
CN215562537U (en) Building pile for constructional engineering
CN214498455U (en) Assembled outer wall temporary supporting device convenient to angle regulation
CN204913336U (en) Drum drilling support

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20230515

Address after: Room 2050, Building B2, Yuanrui Square, North Side of Qijiguang Avenue, Dingcheng Town, Dingyuan County, Chuzhou City, Anhui Province, 239000

Applicant after: Anhui Shuimu Construction Engineering Group Co.,Ltd.

Applicant after: Wei Wangchun

Address before: 615000 Sichuan Applied Technology Vocational College, Lijia Ningyuan Avenue, Xichang City, Liangshan Yi Autonomous Prefecture, Sichuan Province

Applicant before: Cao Fuqiong

GR01 Patent grant
GR01 Patent grant