CN211448309U - Mounting structure of glass door for curtain wall - Google Patents

Mounting structure of glass door for curtain wall Download PDF

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Publication number
CN211448309U
CN211448309U CN201922061841.4U CN201922061841U CN211448309U CN 211448309 U CN211448309 U CN 211448309U CN 201922061841 U CN201922061841 U CN 201922061841U CN 211448309 U CN211448309 U CN 211448309U
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CN
China
Prior art keywords
profile
door
buffer
door leaf
glass
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
CN201922061841.4U
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Chinese (zh)
Inventor
毛尚峰
张丽
陈良
王煜飞
张跃宇
曹坤
刘山山
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.)
Henan Daguan Architectural Decoration Engineering Co ltd
Original Assignee
Henan Daguan Architectural Decoration Engineering 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 Henan Daguan Architectural Decoration Engineering Co ltd filed Critical Henan Daguan Architectural Decoration Engineering Co ltd
Priority to CN201922061841.4U priority Critical patent/CN211448309U/en
Application granted granted Critical
Publication of CN211448309U publication Critical patent/CN211448309U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the field of glass doors, in particular to an installation structure of a glass door for a curtain wall, which comprises a door leaf and a door frame, wherein the door frame is fixedly arranged on a wall body, the door leaf is arranged vertically to the ground, the door leaf is hinged with the door frame, the door leaf comprises door leaf sectional materials and hollow glass, the door leaf sectional materials are fixedly arranged on the periphery of the hollow glass, the door frame comprises a plurality of fixedly connected door frame sectional materials, the door leaf sectional materials are abutted against the door frame sectional materials, a buffer device is arranged between the door leaf sectional materials and the door frame sectional materials, the buffer device is arranged on the door leaf and the door frame, the buffer device comprises a first buffer structure and a second buffer structure which buffer the impact force between the door leaf and the door frame, the first buffer structure is detachably connected with the door, the buffer device is abutted against the door frame section bar and plays a role in buffering when the door leaf is closed so as to achieve the purpose of prolonging the service life of the door body.

Description

Mounting structure of glass door for curtain wall
Technical Field
The utility model relates to a glass door field, more specifically say, it relates to a mounting structure of glass door for curtain.
Background
The building curtain wall is composed of metal structure and plate material, and is a building peripheral maintenance structure which has a certain displacement capacity relative to the main structure or a certain deformation capacity and does not bear the load and action of the main structure. Building curtain walls are usually composed of panels (glass, aluminium panels, slate, ceramic panels, etc.) and a supporting structure behind (aluminium cross-beam posts, steel structures, glass ribs, etc.). The glass door used at the entrance and exit of the curtain wall is made of aluminum material and glass.
The metal section frame hollow glass door body disclosed in the Chinese patent with the patent publication number of CN201747216U is characterized in that an L-shaped door leaf upper side section, an L-shaped door leaf lower side section and an L-shaped door leaf vertical side section are connected into a frame through bolts and metal corner connectors, hollow glass outer side glass and hollow glass inner side glass are embedded into the frame, a hollow glass aluminum partition strip is positioned between the hollow glass outer side glass and the hollow glass inner side glass, a plastic gasket is positioned between the hollow glass outer side glass, the hollow glass inner side glass and the frame, the hollow glass is sealed and adhered between the hollow glass outer side glass edge and the hollow glass inner side glass edge, a double-faced structure adhesive tape is adhered between the hollow glass and the frame, the outer side of the frame and the hollow glass outer side glass surface are positioned on the same plane, and the inner side plane of the frame is slightly higher than the.
Above-mentioned metal section frame cavity glass door body is in the use, when closing the door leaf, has certain striking between door leaf and the door frame, can cause the damage of section bar for a long time, reduces life.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a mounting structure of glass door for curtain, it has set up buffer, and buffer plays the cushioning effect when the door leaf is closed to reach the purpose of extension door body life.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a mounting structure of a glass door for a curtain wall comprises a door leaf and a door frame, wherein the door frame is fixedly mounted on a wall body, the door leaf is perpendicular to the ground, the door leaf is hinged with the door frame, the door leaf comprises door leaf sectional materials and hollow glass, the door leaf sectional materials are fixedly mounted on the periphery of the hollow glass, the door frame comprises a plurality of fixedly connected door frame sectional materials, the door leaf sectional materials are abutted against the door frame sectional materials, a buffer device is arranged between the door leaf sectional materials and the door frame sectional materials, the buffer device is mounted on the door leaf and the door frame, the buffer device comprises a first buffer structure and a second buffer structure, the first buffer structure is detachably connected with the door leaf sectional materials and abutted against the door frame sectional materials, the second buffer structure is detachably connected with the door frame sectional materials and abutted against the door frame sectional materials, the first buffer structure comprises a connecting, the connecting part is detachably connected with the door leaf section bar, and the buffer part is abutted to the door frame section bar.
Through above-mentioned technical scheme, buffer plays the cushioning effect when the door leaf is closed, the impact when buffering door leaf closes to reach extension glass door life's purpose, first buffer structure and second buffer structure form two-stage buffer structure, the effect of reinforcing buffering.
The utility model discloses further set up to: the second buffer structure comprises a plug connector, a spring and a butt joint head, the spring is arranged between the plug connector and the butt joint head, two ends of the spring are fixedly connected with the plug connector and the butt joint head respectively, the plug connector is connected onto a door frame section bar in an inserted mode, and the butt joint head is abutted to the door frame section bar.
Through above-mentioned technical scheme, when the door leaf was closed, door leaf section bar extrusion butt head, extrusion spring made the spring shrink simultaneously, and the spring is because self elastic extension extrudees the door leaf through the butt head, plays the effect of buffering, and the setting of butt head makes buffer structure can peg graft with the door frame section bar.
The utility model discloses further set up to: the door leaf sectional material comprises a first sectional material, a second sectional material and a glass pressing strip, wherein the first sectional material and the second sectional material are detachably connected through a connecting piece, the first sectional material is fixedly connected with the hollow glass, the second sectional material is clamped with the glass pressing strip, and the glass pressing strip is fixedly connected with the hollow glass.
Through the technical scheme, the first section bar and the second section bar form a glass clamping door frame structure, and the glass pressing strip plays a role in fixing glass.
The utility model discloses further set up to: the section bar I is fixedly provided with a first mounting claw and a second mounting claw, the first mounting claw is provided with a connecting groove, a rubber strip is fixedly arranged in the connecting groove, and the rubber strip is fixedly connected with the hollow glass.
Through above-mentioned technical scheme, the installation claw is used for installing the rubber strip, and the rubber strip plays sealed effect, prevents that foreign matter such as rainwater from getting into the section bar structure from the gap between section bar one and the hollow glass in, corrodes the section bar, increases the life of section bar.
The utility model discloses further set up to: the one end that installation claw two deviates from installation claw one is provided with the dashpot, first buffer structure sets up in the dashpot, can dismantle with the dashpot and be connected, connecting portion arrange the dashpot in, buffering portion sets up to an arc claw, buffering portion and door leaf section bar butt.
Through above-mentioned technical scheme, the setting of dashpot for the first buffer structure of installation, the dashpot is stretched out to buffering portion, and the door frame section bar butt plays the effect of buffering when the door leaf is closed.
The utility model discloses further set up to: the glass pressing strip is characterized in that a clamping groove is formed in the second section bar, a clamping claw is arranged on the glass pressing strip, the clamping claw is arranged in the clamping groove and clamped with the clamping groove, the rubber strip is also arranged between the glass pressing strip and the hollow glass and is fixedly connected with the hollow glass and the glass pressing strip respectively, and a first abutting groove and a second buffering structure are arranged at one end, deviating from the clamping groove, of the second section bar.
Through above-mentioned technical scheme, joint claw and joint groove joint make glazing bead fixed mounting on section bar two, and the rubber strip plays sealed effect, prevents that foreign matter such as rainwater from getting into the section bar structure from the gap between section bar two and the hollow glass in, corroding the section bar, increase the life of section bar.
The utility model discloses further set up to: the door frame section bar comprises a connecting section bar and a fixing section bar, the fixing section bar is fixed with the wall body through bolts, and the connecting section bar is connected with the fixing section bar in a clamping mode.
Through above-mentioned technical scheme, now install the connection section bar, install the connection section bar on fixed profile, the installation of being convenient for again.
The utility model discloses further set up to: the connecting section bar comprises a first connecting section bar and a second connecting section bar, the second connecting section bar is fixedly connected with the second connecting section bar through a connecting piece, a second abutting groove is formed in the first connecting section bar, and the second abutting groove abuts against the first buffering structure.
Through above-mentioned technical scheme, first buffer structure is used for buffering the impact that produces when door leaf and door frame are closed, and butt groove two is used for carrying out the butt with buffer structure, accepts the power to the door frame when the door leaf closes.
The utility model discloses further set up to: the fixed profile comprises a first fixed profile and a second fixed profile, the first fixed profile and the second fixed profile are fixedly connected through a connecting piece, the first fixed profile is clamped with the first connecting profile, the second fixed profile is clamped with the second connecting profile, and the second fixed profile is fixedly connected with a wall body.
Through the technical scheme, the second fixing section bar is fixed on the wall body, the first fixing section bar is installed on the second fixing section bar, the first connecting section bar is clamped with the first fixing section bar, and the second connecting section bar is clamped with the second fixing section bar, so that the installation is facilitated.
The utility model discloses further set up to: the connecting section bar II is fixedly provided with a third mounting claw and a fourth mounting claw, the second fixing section bar II is fixedly provided with an inserting groove, the fourth mounting claw is arranged in the inserting groove and can be clamped with the inserting groove, and the second buffer structure is fixedly mounted on the third mounting claw.
Through the technical scheme, the mounting claw three-purpose device is used for mounting the second buffer structure, the mounting claw four is arranged in the insertion groove and is clamped with the insertion groove, and then the second fixing section bar is fixedly connected to the second fixing section bar.
To sum up, the utility model discloses following beneficial effect has:
(1) through the arrangement of the buffer device, the buffer effect is achieved when the door leaf is closed, the impact force generated when the door leaf is closed is buffered, so that the purpose of prolonging the service life of the glass door is achieved, and the first buffer structure and the second buffer structure form a two-stage buffer structure, so that the buffer effect is enhanced;
(2) the abutting joint is extruded through the door leaf section bar, the spring is extruded to contract at the same time, the spring extrudes the door leaf through the abutting joint due to the elastic extension of the spring, the buffering effect is achieved, and the buffering structure can be inserted into the door frame section bar due to the arrangement of the abutting joint.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
fig. 4 is an enlarged view at C in fig. 1.
Reference numerals: 1. a door leaf; 10. a door leaf profile; 11. a first section; 110. mounting a first claw; 111. mounting a second claw; 112. connecting grooves; 12. a second section; 120. a clamping groove; 121. abutting against the first groove; 13. pressing a glass strip; 130. a clamping claw; 14. hollow glass; 15. a rubber strip; 16. a buffer tank; 17. a connecting member; 2. a doorframe profile; 20. connecting the profiles; 200. connecting the first section bar; 201. connecting a second section bar; 202. a second abutting groove; 203. mounting a claw III; 204. mounting a claw IV; 21. fixing the section bar; 22. fixing the first section; 23. fixing a second section; 24. inserting grooves; 3. a wall body; 4. a buffer device; 5. a first buffer structure; 50. a connecting portion; 51. a buffer section; 6. a second buffer structure; 60. a plug-in unit; 61. a spring; 62. abutting against the head.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The embodiment is that the installation structure of the glass door for the curtain wall comprises a door leaf 1 and a door frame, wherein the door frame is fixedly installed on a wall body 3, the door leaf 1 is arranged perpendicular to the ground, the door leaf 1 is hinged to the door frame, the door leaf 1 comprises door leaf sectional materials 10 and hollow glass 14, the door leaf sectional materials 10 are fixedly installed on the periphery of the hollow glass 14, the door frame comprises a plurality of fixedly connected door frame sectional materials 2, the door leaf sectional materials 10 are abutted to the door frame sectional materials 2, a buffer device 4 is arranged between the door leaf sectional materials 10 and the door frame sectional materials 2, and the buffer device 4 is installed on the door leaf 1 and the. The buffer device 4 comprises a first buffer structure 5 and a second buffer structure 6, wherein the first buffer structure 5 is detachably connected with the door leaf section bar 10 and is abutted against the door frame section bar 2. The second buffer structure 6 is detachably connected with the door frame section bar 2 and is abutted against the door leaf section bar 10. The arrangement of the buffer device 4 plays a role in buffering when the door leaf 1 is closed, and buffers the impact force when the door leaf 1 is closed, so as to achieve the purpose of prolonging the service life of the glass door.
As shown in fig. 1, the door leaf profile 10 includes a first profile 11, a second profile 12 and a glass bead 13, the first profile 11 and the second profile 12 are detachably connected through a connecting piece 17, the first profile 11 is fixedly connected with a hollow glass 14, the second profile 12 is clamped with the glass bead 13, and the glass bead 13 is fixedly connected with the hollow glass 14. The first section bar 11 is fixedly provided with a first mounting claw 110 and a second mounting claw 111, the first mounting claw 110 is provided with a connecting groove 112, a rubber strip 15 is arranged in the connecting groove 112, and the rubber strip 15 is fixed on the hollow glass 14 through sealant. One end of the second mounting claw 111, which is far away from the first mounting claw 110, is provided with a buffer groove 16, and the first buffer structure 5 is arranged in the buffer groove 16 and detachably connected with the buffer groove 16.
As shown in fig. 2, the first cushioning structure 5 includes a connecting portion 50 and a cushioning portion 51, and the connecting portion 50 and the cushioning portion 51 are integrally formed. The connecting portion 50 is disposed in the buffer slot 16, the buffer portion 51 extends out of the buffer slot 16, the buffer portion 51 is an arc-shaped claw, and the buffer portion 51 is abutted against the door leaf section 10.
As shown in fig. 3 and 4, a clamping groove 120 is formed in the second profile 12, a clamping claw 130 is arranged on the glass pressing strip 13, the clamping claw 130 is arranged in the clamping groove 120, and the clamping claw 130 is clamped with the clamping groove 120. A rubber strip 15 is also arranged between the glass bead 13 and the hollow glass 14, and the rubber strip 15 is fixedly connected with the hollow glass 14 and the glass bead 13 respectively. One end of the second section bar 12, which is far away from the clamping groove 120, is provided with a first abutting groove 121, and the first abutting groove 121 abuts against the second buffering structure 6.
As shown in fig. 1 and 2, the door frame profile 2 includes a connecting profile 20 and a fixing profile 21, the fixing profile 21 is fixed to the wall 3 by bolts, and the connecting profile 20 is clamped to the fixing profile 21. The connecting section bar 20 comprises a first connecting section bar 200 and a second connecting section bar 201, and the second section bar 12 and the second connecting section bar 201 are fixedly connected through a connecting piece 17. The first connecting section bar 200 is provided with a second abutting groove 202, and the second abutting groove 202 abuts against the first buffer structure 5. The fixed section bar 21 comprises a first fixed section bar 22 and a second fixed section bar 23, the first fixed section bar 22 and the second fixed section bar 23 are fixedly connected through a connecting piece 17, the first fixed section bar 22 is clamped with the first connecting section bar 200, and the second fixed section bar 23 is clamped with the second connecting section bar 201.
As shown in fig. 1 and 2, the second buffer structure 6 is fixedly mounted on the third mounting claw 203, the second connecting section 201 is fixedly provided with the third mounting claw 203 and the fourth mounting claw 204, the second fixing section 23 is fixedly provided with the inserting groove 24, the fourth mounting claw 204 is arranged in the inserting groove 24 and can be clamped with the inserting groove 24, one end of the second fixing section 23, which is far away from the inserting groove 24, is abutted against the wall 3, and the second fixing section 23 is fixed on the wall 3 through a bolt.
As shown in fig. 3, the second buffer structure 6 includes a plug 60, a spring 61 and an abutting head 62, the spring 61 is disposed between the plug 60 and the abutting head 62, two ends of the spring 61 are respectively fixedly connected with the plug 60 and the abutting head 62, the plug 60 is inserted into the third mounting claw 203, and the abutting head 62 abuts against the second profile 12.
The installation process comprises the following steps: fixing the fixed section bar 21 on the wall 3, installing the connecting section bar 20 on the fixed section bar 21, installing the hollow glass 14 on the door leaf section bar 10, placing the rubber strip 15 between the door leaf section bar 10 and the hollow glass 14, sealing by the sealant, and then hinging the door leaf 1 on the door frame by the hinge.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A mounting structure of a glass door for a curtain wall comprises a door leaf (1) and a door frame, wherein the door frame is fixedly mounted on a wall body (3), the door leaf (1) is perpendicular to the ground, the door leaf (1) is hinged with the door frame, the door leaf (1) comprises door leaf sectional materials (10) and hollow glass (14), the door leaf sectional materials (10) are fixedly mounted on the periphery of the hollow glass (14), the door frame comprises a plurality of fixedly connected door frame sectional materials (2), the door leaf sectional materials (10) are abutted against the door frame sectional materials (2), the mounting structure is characterized in that a buffer device (4) is arranged between the door leaf sectional materials (10) and the door frame sectional materials (2), the buffer device (4) is mounted on the door leaf (1) and the door frame, and the buffer device (4) comprises a first buffer structure (5) and a second buffer structure (6) which are used for buffering the impact force between the, first buffer structure (5) can be dismantled with door leaf section bar (10) and be connected, and door frame section bar (2) butt, second buffer structure (6) can be dismantled with door frame section bar (2) and be connected, and door leaf section bar (10) butt, first buffer structure (5) include connecting portion (50) and have elastic buffering portion (51), and connecting portion (50) can be dismantled with door leaf section bar (10) and be connected, buffering portion (51) and door frame section bar (2) butt.
2. The mounting structure of a glass door for a curtain wall as claimed in claim 1, wherein the second buffer structure (6) comprises a plug connector (60), a spring (61) and an abutting head (62), the spring (61) is arranged between the plug connector (60) and the abutting head (62), two ends of the spring (61) are respectively fixedly connected with the plug connector (60) and the abutting head (62), the plug connector (60) is inserted on the door frame profile (2), and the abutting head (62) abuts against the door frame profile (10).
3. The mounting structure of the glass door for the curtain wall as claimed in claim 1, wherein the door leaf profile (10) comprises a first profile (11), a second profile (12) and a glazing bead (13), the first profile (11) and the second profile (12) are detachably connected through a connecting piece (17), the first profile (11) is fixedly connected with the hollow glass (14), the second profile (12) is clamped with the glazing bead (13), and the glazing bead (13) is fixedly connected with the hollow glass (14).
4. The mounting structure of the glass door for the curtain wall as claimed in claim 3, wherein a first mounting claw (110) and a second mounting claw (111) are fixedly arranged on the first section bar (11), the first mounting claw (110) is provided with a connecting groove (112), a rubber strip (15) is fixedly arranged in the connecting groove (112), and the rubber strip (15) is fixedly connected with the hollow glass (14).
5. The mounting structure of the glass door for the curtain wall as claimed in claim 4, wherein a buffer groove (16) is formed in one end, away from the first mounting claw (110), of the second mounting claw (111), the first buffer structure (5) is arranged in the buffer groove (16) and detachably connected with the buffer groove (16), the connecting portion (50) is arranged in the buffer groove (16), the buffer portion (51) extends out of the buffer groove (16), and the buffer portion (51) is abutted to the door leaf profile (10).
6. The mounting structure of a glass door for a curtain wall as claimed in claim 4, wherein a clamping groove (120) is formed in the second section bar (12), a clamping claw (130) is arranged on the glass pressing strip (13), the clamping claw (130) is arranged in the clamping groove (120), the clamping claw (130) is clamped with the clamping groove (120), the rubber strip (15) is also arranged between the glass pressing strip (13) and the hollow glass (14), the rubber strip (15) is respectively fixedly connected with the hollow glass (14) and the glass pressing strip (13), a first abutting groove (121) is formed in one end, deviating from the clamping groove (120), of the second section bar (12), and the first abutting groove (121) is abutted to the second buffering structure (6).
7. The mounting structure of a glass door for a curtain wall according to claim 6, wherein the door frame profile (2) comprises a connecting profile (20) and a fixing profile (21), the fixing profile (21) is fixed with the wall (3) through bolts, and the connecting profile (20) is clamped with the fixing profile (21).
8. The mounting structure of the glass door for the curtain wall as claimed in claim 7, wherein the connecting profile (20) comprises a first connecting profile (200) and a second connecting profile (201), the second profile (12) and the second connecting profile (201) are also fixedly connected through a connecting piece (17), a second abutting groove (202) is formed in the first connecting profile (200), and the second abutting groove (202) abuts against the first buffering structure (5).
9. The mounting structure of the glass door for the curtain wall as claimed in claim 8, wherein the fixing profile (21) comprises a first fixing profile (22) and a second fixing profile (23), the first fixing profile (22) and the second fixing profile (23) are fixedly connected through a connecting piece (17), the first fixing profile (22) is clamped with the first connecting profile (200), the second fixing profile (23) is clamped with the second connecting profile (201), and the second fixing profile (23) is fixedly connected with the wall body (3).
10. The mounting structure of the glass door for the curtain wall as claimed in claim 9, wherein a third mounting claw (203) and a fourth mounting claw (204) are fixedly arranged on the second connecting profile (201), an inserting groove (24) is fixedly arranged on the second fixing profile (23), the fourth mounting claw (204) is arranged in the inserting groove (24) and can be clamped with the inserting groove (24), and the second buffer structure (6) is fixedly arranged on the third mounting claw (203).
CN201922061841.4U 2019-11-25 2019-11-25 Mounting structure of glass door for curtain wall Expired - Fee Related CN211448309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922061841.4U CN211448309U (en) 2019-11-25 2019-11-25 Mounting structure of glass door for curtain wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922061841.4U CN211448309U (en) 2019-11-25 2019-11-25 Mounting structure of glass door for curtain wall

Publications (1)

Publication Number Publication Date
CN211448309U true CN211448309U (en) 2020-09-08

Family

ID=72316055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922061841.4U Expired - Fee Related CN211448309U (en) 2019-11-25 2019-11-25 Mounting structure of glass door for curtain wall

Country Status (1)

Country Link
CN (1) CN211448309U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117364993A (en) * 2023-10-31 2024-01-09 红蚂蚁装饰股份有限公司 An outdoor curtain wall structure with glass bricks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117364993A (en) * 2023-10-31 2024-01-09 红蚂蚁装饰股份有限公司 An outdoor curtain wall structure with glass bricks

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Mao Shangfeng

Inventor after: Zhang Li

Inventor after: Chen Liang

Inventor after: Wang Yufei

Inventor after: Zhang Yueyu

Inventor after: Cao Kun

Inventor after: Liu Shanshan

Inventor before: Mao Shangfeng

Inventor before: Zhang Li

Inventor before: Chen Liang

Inventor before: Wang Yufei

Inventor before: Zhang Yueyu

Inventor before: Cao Kun

Inventor before: Liu Shanshan

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

Granted publication date: 20200908