CN110185136B - Building structure convenient to assembly - Google Patents
Building structure convenient to assembly Download PDFInfo
- Publication number
- CN110185136B CN110185136B CN201910474890.2A CN201910474890A CN110185136B CN 110185136 B CN110185136 B CN 110185136B CN 201910474890 A CN201910474890 A CN 201910474890A CN 110185136 B CN110185136 B CN 110185136B
- Authority
- CN
- China
- Prior art keywords
- plate
- fixing plate
- slider
- building structure
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34384—Assembling details for foldable, separable, collapsible or retractable structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the field of buildings, in particular to a building structure convenient to assemble, which comprises a left fixing plate, a right fixing plate and a top plate, wherein the side wall of the left fixing plate is fixedly connected with a driving motor, the shaft extension end of the driving motor is fixedly connected with a bidirectional screw rod, a left sliding block and a right sliding block are sleeved on the bidirectional screw rod, left supporting plates are respectively installed at two ends of the left fixing plate, right supporting plates are respectively installed at two ends of the right fixing plate, the top of the left fixing plate and the top of the right fixing plate are detachably connected with the top plate, the driving motor is used for driving the left supporting plates and the right supporting plates to be outwards opened, the two left supporting plates and the left fixing plate form a wall surface, the two right supporting plates and the right fixing plate form another wall surface symmetrically, the left movable plate is rotated to a position vertical to a left supporting roller, the top of the right fixing plate forms a building, and the installation is very convenient and fast.
Description
Technical Field
The invention relates to the field of buildings, in particular to a building structure convenient to assemble.
Background
The building structure is a skeleton structure which is formed by building components such as plates, beams, columns, walls, foundations and the like, has a certain space function and can safely bear various normal loads of a building. The plate is a planar member directly bearing load in a building structure, has a large planar size but a relatively small thickness, belongs to a flexural member, and transmits the load to a beam or a wall through the plate. The beam generally refers to a linear member bearing a load in a direction perpendicular to a longitudinal axis thereof, is a supporting member between a plate and a column, belongs to a flexural member, and bears the load transmitted from the plate and transmits the load to the column. Columns and walls are load bearing elements in the building structure which bear axial pressure, columns are linear elements which bear loads parallel to the longitudinal axis direction of the columns, the section size is smaller than the height, walls are mainly vertical elements which bear loads parallel to the wall direction, the columns and the walls belong to compression elements, the columns and the walls transmit the loads to the foundation and sometimes bear bending moment and shearing force. The foundation is a structural member of the ground below, and transmits the upper structural load transmitted from the columns, walls, and the like to the foundation.
The structure of the existing movable board house is composed of a plurality of boards, and the assembly is troublesome.
Disclosure of Invention
The present invention aims to provide a building structure which is easy to assemble, so as to solve the problems suggested in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a building structure convenient to assembly, includes left fixed plate, right fixed plate and roof, the lateral wall fixedly connected with driving motor of left fixed plate, driving motor's the two-way lead screw of the fixedly connected with of axle extension, the cover is equipped with left slider, right slider on the two-way lead screw, and left support plate is all installed at the both ends of left fixed plate, and right support plate is all installed at the both ends of right fixed plate, and the top detachably of left fixed plate, right fixed plate is connected with the roof.
Further: the driving motor is a forward and reverse rotating motor.
Further: the left sliding block and the right sliding block are in threaded connection with the bidirectional screw rod respectively, and the left sliding block and the right sliding block are symmetrically arranged.
Further: the left support plate is rotatably connected with the left fixing plate through a left support shaft, a left support roller is installed at the bottom of the left support plate, the two sides of the left sliding block are respectively hinged with a left connecting rod, and the end part of the left connecting rod is hinged with the middle part of the left support plate.
Further: the right supporting plate is rotatably connected with the right fixing plate through a right supporting shaft, a right supporting roller is installed at the bottom of the right supporting plate, right connecting rods are hinged to two sides of the right sliding block respectively, and the end portion of each right connecting rod is hinged to the middle of the corresponding right supporting plate.
Further: the end of the left support plate is provided with a left movable plate, the left movable plate is rotatably connected with the left support plate through a left rotating shaft, and the bottom of the left movable plate is provided with a left universal wheel.
Further: the end of the right supporting plate is provided with a right movable plate, the right movable plate is rotatably connected with the right supporting plate through a right rotating shaft, the bottom of the right movable plate is provided with a right universal wheel, and the bottom of the right movable plate is provided with a right universal wheel.
Further: and a movable door is arranged on the right movable plate.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: in the embodiment of the invention, the driving motor is used for driving the left supporting plate and the right supporting plate to open outwards, the two left supporting plates and the left fixing plate form a wall surface, the two left supporting plates and the right fixing plate form another wall surface, the left movable plate is rotated to the position vertical to the left supporting roller, the right movable plate is rotated to the position vertical to the right supporting roller, and the top plate is arranged at the tops of the left fixing plate and the right fixing plate to form a building.
Drawings
FIG. 1 is a schematic illustration of the process of opening the left movable panel in embodiment 2 of the building structure for ease of assembly;
FIG. 2 is a top plan view of a two-way screw in an example of a building structure 2 for ease of assembly;
FIG. 3 is a top plan view of the open left panel of example 2 of the building structure for ease of assembly;
FIG. 4 is a top plan view of the collapsed right support panel of example 2 of the building structure for easy assembly;
figure 5 is a schematic view of the construction of the roof panel of example 2 of the building structure for ease of assembly.
The reference numerals in the schematic drawings illustrate: 1-left fixed plate; 2-right fixed plate; 3-driving a motor; 4-a bidirectional screw rod; 5-left slide block; 6-right slide block; 7-a left support plate; 8-a left connecting rod; 9-a right support plate; 10-a right link; 11-left support roller; 12-right support roller; 13-left rotating shaft; 14-right rotating shaft; 15-left movable plate; 16-a right movable plate; 17-left universal wheel; 18-right universal wheel; 19-left support shaft; 20-right support shaft; 21-a movable door; 22-top plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Example 1
Referring to fig. 1-3, in the embodiment of the present invention, a building structure convenient for assembly includes a left fixing plate 1, a right fixing plate 2 and a top plate 22, a driving motor 3 is fixedly connected to a side wall of the left fixing plate 1, the driving motor 3 is a forward and reverse rotation motor, a bidirectional screw rod 4 is fixedly connected to a shaft extension end of the driving motor 3, a right end of the bidirectional screw rod 4 is rotatably connected to a side wall of the right fixing plate 2, a left slider 5 and a right slider 6 are sleeved on the bidirectional screw rod 4, the left slider 5 and the right slider 6 are respectively in threaded connection with the bidirectional screw rod 4, the left slider 5 and the right slider 6 are symmetrically arranged, a left supporting plate 7 is mounted at both ends of the left fixing plate 1, the left supporting plate 7 is rotatably connected to the left fixing plate 1 through a left supporting shaft 19, the left supporting plate 7 can freely rotate, a left supporting roller 11 is mounted at, the right support plate 9 is rotatably connected with the right fixing plate 2 through a right support shaft 20, the right support plate 9 can rotate freely, a right support roller 12 is installed at the bottom of the right support plate 9, two sides of the left slider 5 are respectively hinged with a left connecting rod 8, the end part of the left connecting rod 8 is hinged with the middle part of the left support plate 7, two sides of the right slider 6 are respectively hinged with a right connecting rod 10, the end part of the right connecting rod 10 is hinged with the middle part of the right support plate 9, the left fixing plate 1 is controlled to rotate forwards and backwards, and the bidirectional screw rod 4 can be driven to rotate forwards and backwards, so that the left slider 5 and the right slider 6 are driven to move in opposite directions or in a back direction, when the left slider 5 and the right slider 6 move in a back direction, the left support plate 7 and the right support plate 9 are driven to open outwards, two left support plates 7 and the left fixing plate 1, The top detachably of right side fixed plate 2 is connected with roof 22, and left fixed plate 1, right fixed plate 2 respectively with roof 22 swing joint, when left support plate 7, right support plate 9 were in open state, install roof 22 at the top of left fixed plate 1, right fixed plate 2, constitute the building, install very convenient and fast.
Example 2
Please read fig. 1-5, a building structure convenient for assembly, comprising a left fixing plate 1, a right fixing plate 2 and a top plate 22, wherein a driving motor 3 is fixedly connected to a side wall of the left fixing plate 1, the driving motor 3 is a forward and reverse rotating motor, a bidirectional screw rod 4 is fixedly connected to an axial extension end of the driving motor 3, a right end of the bidirectional screw rod 4 is rotatably connected to a side wall of the right fixing plate 2, a left slider 5 and a right slider 6 are sleeved on the bidirectional screw rod 4, the left slider 5 and the right slider 6 are respectively in threaded connection with the bidirectional screw rod 4, the left slider 5 and the right slider 6 are symmetrically arranged, a left supporting plate 7 is mounted at both ends of the left fixing plate 1, the left supporting plate 7 is rotatably connected with the left fixing plate 1 through a left supporting shaft 19, the left supporting plate 7 can freely rotate, a left supporting roller 11 is mounted at the bottom of, the right support plate 9 is rotatably connected with the right fixed plate 2 through a right support shaft 20, the right support plate 9 can freely rotate, the bottom of the right support plate 9 is provided with a right support roller 12, two sides of the left slider 5 are respectively hinged with a left connecting rod 8, the end part of the left connecting rod 8 is hinged with the middle part of the left support plate 7, two sides of the right slider 6 are respectively hinged with a right connecting rod 10, the end part of the right connecting rod 10 is hinged with the middle part of the right support plate 9, the left fixed plate 1 is controlled to rotate forwards and backwards, and a bidirectional screw rod 4 can be driven to rotate forwards and backwards, so that the left slider 5 and the right slider 6 are driven to move in opposite directions or in a back-to-back direction, when the left slider 5 and the right slider 6 move in the back-to-back direction, the left support plate 7 and the right support plate 9 are driven to open outwards, two left support plates 7 and the left fixed, the left movable plate 15 is rotatably connected with the left supporting plate 7 through a left rotating shaft 13, a left universal wheel 17 is mounted at the bottom of the left movable plate 15 to push the left movable plate 15 to drive the left movable plate 15 to rotate around the left rotating shaft 13, a right movable plate 16 is mounted at the end of the right supporting plate 9, the right movable plate 16 is rotatably connected with the right supporting plate 9 through a right rotating shaft 14, a right universal wheel 18 is mounted at the bottom of the right movable plate 16 to push the right movable plate 16 to drive the right movable plate 16 to rotate around the right rotating shaft 14, a movable door 21 is mounted on the right movable plate 16, a top plate 22 is detachably connected to the tops of the left fixed plate 1 and the right fixed plate 2, the left fixed plate 1 and the right fixed plate 2 are respectively and movably connected with the top plate 22, when the left supporting plate 7 and the right supporting plate 9 are in an open state, the top plate 22 is mounted at the tops of the, the right movable plate 16 is rotated to a position vertical to the right support roller 12 to form a building, people can go in and out of the building through the movable door 21, and the installation is very convenient and fast.
With reference to the embodiment 1 and the embodiment 2, the working principle of the invention is as follows: when the invention needs to be assembled, the driving motor 3 is started to drive the bidirectional screw rod 4 to rotate, the left slider 5 and the right slider 6 are driven to do back-to-back movement, so as to drive the left support plate 7 and the right support plate 9 to be opened outwards, the two left support plates 7 and the left fixed plate 1 form a wall surface, the two right support plates 9 and the right fixed plate 2 form another wall surface, the left movable plate 15 is pushed to drive the left movable plate 15 to rotate around the left rotating shaft 13, the left movable plate 15 is rotated to a position vertical to the left support roller 11, the right movable plate 16 is pushed to drive the right movable plate 16 to rotate around the right rotating shaft 14, the right movable plate 16 is rotated to a position vertical to the right support roller 12, the top plate 22 is arranged at the tops of the left fixed plate 1 and the right fixed plate 2, so as to form a building, people can go in and out of, when the invention needs to be carried, the top plate 22 is removed, the driving motor 3 is controlled to rotate reversely, and the left support plate 7, the right support plate 9, the left movable plate 15 and the right movable plate 16 are folded, so that the invention is convenient to carry.
It should be particularly noted that, left fixed plate 1, right fixed plate 2 and roof 22 are prior art's application in this application, and driving motor, biax lead screw, left branch fagging, right branch fagging, left fly leaf, right fly leaf are the innovation point of this application, and it has effectively solved the inconvenient and inconvenient problem of assembly of current building board house transport.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those skilled in the art should understand that they can not inventively design the similar structural modes and embodiments without departing from the spirit of the present invention, they should fall into the protection scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A building structure convenient to assemble comprises a left fixing plate (1), a right fixing plate (2) and a top plate (22), and is characterized in that a driving motor (3) is fixedly connected to the side wall of the left fixing plate (1), a bidirectional lead screw (4) is fixedly connected to the shaft extension end of the driving motor (3), a left slider (5) and a right slider (6) are sleeved on the bidirectional lead screw (4), left supporting plates (7) are respectively installed at two ends of the left fixing plate (1), the left supporting plate (7) is rotatably connected with the left fixing plate (1) through a left supporting shaft (19), a left supporting roller (11) is installed at the bottom of the left supporting plate (7), left connecting rods (8) are respectively hinged to two sides of the left slider (5), the end part of each left connecting rod (8) is hinged to the middle part of the left supporting plate (7), and right supporting plates (9) are respectively installed at, right branch fagging (9) are rotated with right fixed plate (2) through right back shaft (20) and are connected, and right supporting roller (12) are installed to the bottom of right branch fagging (9), and the both sides of right slider (6) articulate respectively has right connecting rod (10), and the tip of right connecting rod (10) is articulated with the middle part of right branch fagging (9), and the top detachably of left fixed plate (1), right fixed plate (2) is connected with roof (22).
2. Building structure facilitating the assembly according to claim 1, characterised in that said driving motor (3) is a counter-rotating motor.
3. The building structure convenient for assembly according to claim 1, wherein the left slider (5) and the right slider (6) are respectively in threaded connection with the bidirectional screw rod (4), and the left slider (5) and the right slider (6) are symmetrically arranged.
4. The building structure convenient for assembly as claimed in claim 1, wherein the end of the left supporting plate (7) is provided with a left movable plate (15), the left movable plate (15) is rotatably connected with the left supporting plate (7) through a left rotating shaft (13), and the bottom of the left movable plate (15) is provided with a left universal wheel (17).
5. The building structure convenient for assembly as claimed in any one of claims 1-4, wherein a right movable plate (16) is mounted at the end of the right supporting plate (9), the right movable plate (16) is rotatably connected with the right supporting plate (9) through a right rotating shaft (14), and a right universal wheel (18) is mounted at the bottom of the right movable plate (16).
6. The building structure facilitating assembly according to claim 5, wherein a movable door (21) is mounted on the right movable plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474890.2A CN110185136B (en) | 2019-06-03 | 2019-06-03 | Building structure convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474890.2A CN110185136B (en) | 2019-06-03 | 2019-06-03 | Building structure convenient to assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185136A CN110185136A (en) | 2019-08-30 |
| CN110185136B true CN110185136B (en) | 2020-12-01 |
Family
ID=67719824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474890.2A Active CN110185136B (en) | 2019-06-03 | 2019-06-03 | Building structure convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185136B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922401A (en) * | 2021-02-04 | 2021-06-08 | 中国人民解放军联勤保障部队第九〇四医院 | Foldable portable operating room for emergency rescue |
| CN113482163A (en) * | 2021-07-18 | 2021-10-08 | 杨叶萍 | Assembled building clod wash section bar |
| CN113756350B (en) * | 2021-09-30 | 2022-11-15 | 中化明达(福建)地质勘测有限公司 | Drainage structures of building foundation ditch |
| DE102022103032A1 (en) | 2022-02-09 | 2023-08-10 | Maike WEINAST | House |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212624Y (en) * | 1994-11-28 | 1995-11-15 | 庞大年 | Collapsible movable house |
| JP2003247271A (en) * | 2002-02-26 | 2003-09-05 | Daiichi Fashion Service:Kk | Lodge |
| CN103469893A (en) * | 2013-09-24 | 2013-12-25 | 北京交通大学 | Folding cube |
| JP2014080843A (en) * | 2012-10-17 | 2014-05-08 | Pd System:Kk | Foldable house |
| CN106088666A (en) * | 2016-07-22 | 2016-11-09 | 北京华夏天合科技有限公司 | A kind of ultrathin portable collection helps folding house and residential system |
| CN106088343A (en) * | 2016-08-15 | 2016-11-09 | 江苏丰顺新材料科技有限公司 | Folding type moveable house |
| CN208650582U (en) * | 2018-07-25 | 2019-03-26 | 中建津泓（天津）建设发展有限公司 | A kind of easy-to-mount equipment rain-proof shelter |
| CN109779031A (en) * | 2019-03-07 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of stable type assembled arthitecutral structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8763315B2 (en) * | 2007-07-12 | 2014-07-01 | Morris L. Hartman | Folding shed |
-
2019
- 2019-06-03 CN CN201910474890.2A patent/CN110185136B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212624Y (en) * | 1994-11-28 | 1995-11-15 | 庞大年 | Collapsible movable house |
| JP2003247271A (en) * | 2002-02-26 | 2003-09-05 | Daiichi Fashion Service:Kk | Lodge |
| JP2014080843A (en) * | 2012-10-17 | 2014-05-08 | Pd System:Kk | Foldable house |
| CN103469893A (en) * | 2013-09-24 | 2013-12-25 | 北京交通大学 | Folding cube |
| CN106088666A (en) * | 2016-07-22 | 2016-11-09 | 北京华夏天合科技有限公司 | A kind of ultrathin portable collection helps folding house and residential system |
| CN106088343A (en) * | 2016-08-15 | 2016-11-09 | 江苏丰顺新材料科技有限公司 | Folding type moveable house |
| CN208650582U (en) * | 2018-07-25 | 2019-03-26 | 中建津泓（天津）建设发展有限公司 | A kind of easy-to-mount equipment rain-proof shelter |
| CN109779031A (en) * | 2019-03-07 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of stable type assembled arthitecutral structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185136A (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110185136B (en) | Building structure convenient to assembly | |
| CN206263947U (en) | Six-DOF robot parallel-connection structure | |
| CN216690444U (en) | Portable moisturizing protection mechanism for bonding mortar | |
| CN212866991U (en) | Building walking type translation device | |
| CN211114098U (en) | Electric telescopic balcony of steel-structured box-type house | |
| CN218970430U (en) | Supporting structure of assembled house | |
| CN209780737U (en) | Detachable environment-friendly ladder suitable for steel structure assembly | |
| CN112081262A (en) | Multiple displacement amplification connecting mechanism and self-balancing composite energy dissipation system | |
| CN216587861U (en) | Building structure reinforcing apparatus | |
| CN221119328U (en) | Building structure design wind-resistant supporting structure | |
| CN216109140U (en) | Solar wallboard for building outer wall | |
| CN219061028U (en) | Reinforcing and supporting structure | |
| CN214575028U (en) | Retractable roof structure | |
| CN217840792U (en) | Support frame for steel structure engineering construction | |
| CN221441801U (en) | Flexible connection structure of wall beam | |
| CN219316498U (en) | Novel support frame for architectural engineering structural design | |
| CN212656417U (en) | Multiple displacement amplification connecting mechanism and self-balancing composite energy dissipation system | |
| CN219794200U (en) | Reinforced steel structure of multimode installation | |
| CN212771975U (en) | Liftable formula hangs and irritates girder bridge bracket | |
| CN212153729U (en) | Adjustable hydraulic pin shaft support capable of transmitting bending moment | |
| CN220117504U (en) | Anti-seismic metal support with good corrosion resistance effect | |
| CN221523948U (en) | Floor board and shear wall corner steel structure for assembled building | |
| CN219753967U (en) | Supporting rod for PC laminated plate | |
| CN116427541A (en) | Assembled building beam column steel structure connecting element | |
| CN218234465U (en) | Auxiliary supporting device for building engineering |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Lixiang Inventor after: Liu Fang Inventor after: Zheng Kai Inventor after: Zhang Lei Inventor before: Wang Lixiang Inventor before: Liu Fang Inventor before: Zhang Lei Inventor before: Zheng Kai |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |