CN110939206A - Assembled building connecting component - Google Patents
Assembled building connecting component Download PDFInfo
- Publication number
- CN110939206A CN110939206A CN201911404591.8A CN201911404591A CN110939206A CN 110939206 A CN110939206 A CN 110939206A CN 201911404591 A CN201911404591 A CN 201911404591A CN 110939206 A CN110939206 A CN 110939206A
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- connecting rod
- block
- semicircular
- hinged
- plate body
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- 230000000694 effects Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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Classifications
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- 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
- E04B1/388—Separate connecting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides an assembly type building connecting component which comprises a connecting plate, wherein the connecting plate is provided with a plurality of connecting components for connecting an assembly type building wall, and each connecting component comprises a connecting rod, a rocker, a base and a locking block; the base is fixed on the side face of the connecting plate, the base is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with one end of the rocker, the other end of the rocker is hinged with a non-end point of the connecting rod, and the distances from the hinged position of the rocker and the connecting rod to the left end and the right end of the connecting rod are both greater than the length of the; a clamping block is fixed at one end of the connecting rod, the other end of the connecting rod is hinged with a hinge seat, and the hinge seat is fixed on the side face of the connecting plate; the wall body is provided with a clamping groove matched with the clamping block; the connecting rod is also hinged with a pushing piece for pushing the connecting rod to rotate; the invention provides the assembly type building connecting component which is good in connecting effect, simple and convenient to use, suitable for connecting walls at different angles and applicable to the connection.
Description
Technical Field
The invention belongs to the technical field of assembly type building appliances, and particularly relates to an assembly type building connecting component.
Background
The fabricated building is a building formed by assembling prefabricated parts on a construction site, and is divided into five types, namely a block building, a plate building, a box type building, a framework plate building, a rising-floor building and the like according to the form and construction method of prefabricated parts; a large number of building parts are produced and processed in workshops, and the types of components mainly comprise external wall panels, internal wall panels, laminated slabs, balconies, air-conditioning slabs, stairs, prefabricated beams, prefabricated columns and the like; a large amount of assembly operation is carried out on site, the operation is greatly reduced compared with the original cast-in-place operation, and the construction and decoration integrated design is adopted, so that the construction requirement of a green building is met; however, the assembled building connecting component in the prior art is not good in fastening effect, easy to loose and not suitable for connecting walls at special angles.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide the assembly type building connecting component which is good in connecting effect, simple and convenient to use, and suitable for connecting walls at different angles.
The technical scheme of the invention is as follows: an assembly type building connecting component comprises a connecting plate, wherein a plurality of connecting components used for connecting assembly type building walls are arranged on the connecting plate, and each connecting component comprises a connecting rod, a rocker, a base and a locking block; the base is fixed on the side face of the connecting plate, the base is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with one end of the rocker, the other end of the rocker is hinged with a non-end point of the connecting rod, and the distances from the hinged position of the rocker and the connecting rod to the left end and the right end of the connecting rod are both greater than the length of the rocker; a clamping block is fixed at one end of the connecting rod, the other end of the connecting rod is hinged with a hinge seat, and the hinge seat is fixed on the side face of the connecting plate; the wall body is provided with a clamping groove matched with the clamping block; the connecting rod is also hinged with a pushing piece for pushing the connecting rod to rotate; the connecting plate is formed by hinging a first plate body and a second plate body, and an angle adjusting assembly for adjusting the rotating angles of the first plate body and the second plate body is arranged between the first plate body and the second plate body;
the angle adjusting assembly comprises a semicircular plate body, the semicircular plate body is fixed on the side surface of the second plate body, a plurality of semicircular chutes are formed in the semicircular plate body, sliding rods which are connected with the semicircular chutes in a sliding mode are arranged in the semicircular chutes, the left end of each sliding rod penetrates through the semicircular plate body to be fixedly connected with the first block body, and the right end of each sliding rod penetrates through the semicircular plate body to be fixedly connected with the second block body; the side surface of the first block body is fixedly connected with the side surface of the first plate body; and the second block body is also provided with a locking mechanism for locking the second block body with the semicircular sliding groove.
The locking mechanism comprises a locking bolt and a locking nut, wherein a first threaded through hole is formed in the second block, a plurality of second threaded through holes matched with the first threaded through holes are formed in the semicircular sliding groove corresponding to the sliding position of the second block, the locking bolt penetrates through the first threaded through hole and the second threaded through holes to be in threaded connection with the locking nut, and the relative position of the second block and the semicircular sliding groove is locked by the aid of matching of the locking bolt with the first threaded through hole and the second threaded through holes.
The side, opposite to the wall body, of the connecting plate is provided with a wedge-shaped groove, the wedge-shaped groove is matched with a wedge block, and the wedge block is fixed on the side face of the wall body.
The number of above-mentioned semi-circular spout is two, all is equipped with in two semi-circular spouts along the gliding slide bar of semi-circular spout, and the left end of two slide bars all passes semi-circular plate body and first block fixed connection, and the right-hand member of two slide bars all passes semi-circular plate body and second block fixed connection, and two slide bars are used for guaranteeing that first block and second block rotate around the centre of a circle of semi-circular plate body always.
The pushing piece is an air cylinder, a cylinder barrel of the air cylinder is hinged to the side face of the connecting plate, and a telescopic end of the air cylinder is hinged to the connecting rod.
The pushing piece is an electric push rod, the fixed end of the electric push rod is hinged to the side face of the connecting plate, and the telescopic end of the electric push rod is hinged to the connecting rod.
The number of the connecting assemblies is multiple, and the connecting assemblies are symmetrically distributed on the left side and the right side of the connecting plate (2).
The shape of the clamping block is an inverted ladder-shaped structure.
The invention has the beneficial effects that:
1. the assembled building connecting component provided by the invention locks the assembled building wall by using the connecting component, and locks the assembled building wall by using a four-bar mechanism consisting of the connecting rod, the rocker, the base, the connecting rod and the like during locking, so that the assembled building wall is stably connected; the connecting plate of this application still is formed by first plate body and second plate body are articulated, still is equipped with the angle adjusting part who is used for adjusting first plate body and second plate body turned angle between first plate body and the second plate body, enables the connection that this building connecting element is applicable to different angle wall bodies through angle adjusting part.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the rotation process of the connecting rod of the present invention;
FIG. 3 is a schematic view of the angle adjustment assembly of the present invention;
fig. 4 is a schematic structural view of the locking mechanism of the present invention.
Description of reference numerals:
1. a wall body; 2. a connecting plate; 3. a connecting rod; 4. a rocker; 5. a base; 6. a connecting rod; 7. a clamping block; 8. a clamping groove; 9. a pusher member; 10. a first plate body; 11. a second plate body; 12. a semicircular plate body; 13. a semicircular chute; 14. a slide bar; 15. a first block; 16. a second block; 17. locking the bolt; 18. locking the nut; 19. a first threaded through hole; 20. a second threaded through hole; 21 a wedge-shaped groove; 22. a wedge block; 23. a hinged seat.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example 1:
the embodiment of the invention provides an assembly type building connecting component which comprises a connecting plate, wherein a plurality of connecting components used for connecting an assembly type building wall body are arranged on the connecting plate, and each connecting component comprises a connecting rod, a rocker, a base and a locking block; the base is fixed on the side face of the connecting plate, the base is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with one end of the rocker, the other end of the rocker is hinged with a non-end point of the connecting rod, and the distances from the hinged position of the rocker and the connecting rod to the left end and the right end of the connecting rod are both greater than the length of the rocker; a clamping block is fixed at one end of the connecting rod, the other end of the connecting rod is hinged with a hinge seat, and the hinge seat is fixed on the side face of the connecting plate; the wall body is provided with a clamping groove matched with the clamping block; the connecting rod is also hinged with a pushing piece for pushing the connecting rod to rotate; the connecting plate is formed by hinging a first plate body and a second plate body, and an angle adjusting assembly for adjusting the rotating angle of the first plate body and the second plate body is arranged between the first plate body and the second plate body.
The wall body is locked by a connecting assembly consisting of a connecting rod, a rocker, a connecting rod and a plane four-bar mechanism consisting of a base, when the wall body needs to be locked, a wedge-shaped groove 21 formed in the connecting plate 2 is matched with a wedge-shaped block 22 fixed on the side face of the wall body 1, so that the two-side wall body can be preliminarily positioned, after the two-side wall body is preliminarily positioned, a pushing assembly 9 of the connecting assembly is started, the pushing assembly 9 is hinged with the connecting rod 3, the connecting rod 3 rotates to drive a rocker 4 hinged with the connecting rod 3 to rotate, the rocker 4 rotates to drive the connecting rod 6 to rotate relative to a hinged seat 23, after the connecting rod 6 rotates to a certain angle, clamping blocks 7 can be clamped in clamping grooves 8, meanwhile, the connecting assemblies are symmetrically distributed on the left side and the right side of the connecting plate 2, and the; simultaneously be equipped with the angle adjusting part who is used for adjusting first plate body 10 and 11 turned angle of second plate body between the first plate body 10 of this application and the second plate body 11, enable the wall body that coupling assembling connects different angles through angle adjusting part.
Example 2:
in this embodiment, based on embodiment 1, the angle adjusting assembly includes a semicircular plate 12, the semicircular plate 12 is fixed to a side surface of the second plate 11, the semicircular plate 12 is provided with a plurality of semicircular chutes 13, the semicircular chutes 13 are provided with sliding rods 14 slidably connected thereto, a left end of each sliding rod 14 penetrates through the semicircular plate 12 to be fixedly connected with the first block 15, and a right end of each sliding rod 14 penetrates through the semicircular plate 12 to be fixedly connected with the second block 16; the side surface of the first block 15 is fixedly connected with the side surface of the first plate body 10; the second block 16 is also provided with a locking mechanism for locking the second block with the semicircular sliding groove 13;
the locking mechanism comprises a locking bolt 17 and a locking nut 18, a first threaded through hole 19 is formed in the second block 16, a plurality of second threaded through holes 20 matched with the first threaded through holes 19 are formed in the semicircular chute 13 corresponding to the position where the second block 16 slides, the locking bolt 17 penetrates through the first threaded through hole 19 and the second threaded through holes 20 to be in threaded connection with the locking nut 18, and the relative position of the second block 16 and the semicircular chute 13 is locked by the matching of the locking bolt 17 with the first threaded through hole 19 and the second threaded through holes 20;
the angle adjusting assembly is utilized to simply adjust the rotation angle between the first plate body 10 and the second plate body 11, so that the angle adjusting assembly is suitable for connecting wall bodies 1 with different angles, when the angle is adjusted, the second block body 16 is pushed, the second block body 16 drives the first block body 15 to rotate along with the first block body, in the rotating process, the sliding rod 14 can slide along a semicircular sliding groove 13 formed in the semicircular plate body 12, meanwhile, the first block body 15 rotates to drive the first plate body 10 fixed on the side face of the first block body to rotate, and therefore the angle between the first plate body 10 and the second plate body 11 is adjusted;
when the rotation angle needs to be locked, the locking bolt 17 is used to sequentially pass through the first threaded through hole 19 and the second threaded through hole 20, and the locking bolt 17 is in threaded connection with the locking nut 18, so that the angle between the first plate body 10 and the second plate body 11 is simply and conveniently locked.
Example 3:
in this embodiment, based on embodiment 1, a wedge-shaped groove 21 is formed in a surface of the connecting plate 2 opposite to the wall 1, the wedge-shaped groove 21 is matched with a wedge block 22, and the wedge block 22 is fixed on the side surface of the wall 1.
This application utilizes wedge groove 21 and wedge 22's cooperation, can tentatively fix a position wall body 1, is utilizing coupling assembling to stabilize the in-process of connecting wall body 1 simultaneously, and wall body 1 can receive the effort to the connecting plate direction, just at this moment can drive wedge 22 progressively with the cooperation of wedge groove 21 further with two-sided wall body 1 fastening connection.
Example 4:
in this embodiment, based on embodiment 1, the number of the semicircular sliding grooves 13 is two, two sliding rods 14 sliding along the semicircular sliding grooves 13 are respectively disposed in the two semicircular sliding grooves 13, the left ends of the two sliding rods 14 respectively penetrate through the semicircular plate 12 and are fixedly connected with the first block 15, the right ends of the two sliding rods 14 respectively penetrate through the semicircular plate 12 and are fixedly connected with the second block 16, and the two sliding rods 14 are used to ensure that the first block 15 and the second block 16 always rotate around the center of the semicircular plate 12.
Example 5:
in this embodiment, based on embodiment 1, the pushing member 9 is a cylinder, a cylinder barrel of the cylinder is hinged to the side surface of the connecting plate 2, and a telescopic end of the cylinder is hinged to the connecting rod 3; when the telescopic end of the pushing part 9 gradually extends, the connecting rod 6 is pushed to rotate, and the connecting rod 6 can drive the telescopic end of the pushing part 9 to rotate relative to the connecting rod 6 while rotating.
Example 6:
in this embodiment, based on embodiment 1, the pushing member 9 is an electric push rod, a fixed end of the electric push rod is hinged to the side surface of the connecting plate 2, and a telescopic end of the electric push rod is hinged to the connecting rod 3.
Example 7:
in this embodiment, based on embodiment 1, the number of the connecting assemblies is multiple, and the connecting assemblies are symmetrically distributed on the left and right sides of the connecting plate 2; a plurality of coupling assembling symmetric distribution of this application will make the wall body firm connection in joint groove 8 from both sides joint like this a plurality of joint pieces 7 at the left and right sides of connecting plate 2.
Example 8:
in this embodiment, based on embodiment 1, the shape of the clamping block 6 is an inverted ladder-shaped structure.
The working principle of the invention is as follows:
when the assembly type building connecting component is used, the two walls 1 are locked by the connecting component, when the walls are required to be locked, the wedge-shaped groove 21 formed in the connecting plate 2 is matched with the wedge-shaped block 22 fixed on the side face of the wall 1, so that the two walls can be preliminarily positioned, after the two walls are preliminarily positioned, the pushing part 9 of the connecting component is started, the pushing part 9 is hinged to the connecting rod 3, the connecting rod 3 rotates to drive the rocker 4 hinged to the connecting rod to rotate, the rocker 4 rotates to drive the connecting rod 6 to rotate relative to the hinged seat 23, the clamping blocks 7 can be clamped in the clamping grooves 8 after the connecting rod 6 rotates to a certain angle, meanwhile, the connecting components are symmetrically distributed on the left side and the right side of the connecting plate 2, and therefore the clamping blocks 7 are clamped in the clamping grooves 8 from the two sides to enable; meanwhile, an angle adjusting assembly for adjusting the rotating angles of the first plate body 10 and the second plate body 11 is arranged between the first plate body 10 and the second plate body 11, and the connecting assembly can be connected with wall bodies with different angles through the angle adjusting assembly;
when the rotation angles of the first plate body 10 and the second plate body 11 are adjusted, the second block body 16 is pushed, the second block body 16 drives the first block body 15 to rotate along with the first block body, in the rotating process, the sliding rod 14 can slide along a semicircular sliding groove 13 formed in the semicircular plate body 12, and meanwhile, the first block body 15 rotates to drive the first plate body 10 fixed on the side surface of the first block body to rotate, so that the angle between the first plate body 10 and the second plate body 11 is adjusted; when the rotation angle needs to be locked, the locking bolt 17 sequentially penetrates through the first threaded through hole 19 and the second threaded through hole 20, and the locking bolt 17 is in threaded connection with the locking nut 18, so that the angle between the first plate body 10 and the second plate body 11 is locked simply and conveniently; the number of the semicircular chutes 13 is preferably two, two sliding rods 14 sliding along the semicircular chutes 13 are arranged in the two semicircular chutes 13, and the two sliding rods 14 are used for ensuring that the first block 15 and the second block 16 always rotate around the center of the semicircular plate body 12.
In conclusion, the assembled building connecting component provided by the invention has the advantages of good connecting effect, simplicity and convenience in use, and suitability for connecting walls at different angles.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. The assembly type building connecting component is characterized by comprising a connecting plate (2), wherein a plurality of connecting components used for connecting an assembly type building wall body (1) are arranged on the connecting plate (2), and each connecting component comprises a connecting rod (3), a rocker (4), a base (5) and a locking block (6); the base (5) is fixed on the side face of the connecting plate (2), the base (5) is hinged with one end of the connecting rod (3), the other end of the connecting rod (3) is hinged with one end of the rocker (4), the other end of the rocker (4) is hinged with the non-end point of the connecting rod (6), and the distances from the hinged position of the rocker (4) and the connecting rod (6) to the left end and the right end of the connecting rod (6) are both greater than the length of the rocker (4); a clamping block (7) is fixed at one end of the connecting rod (6), the other end of the connecting rod (6) is hinged with a hinge seat (23), and the hinge seat (23) is fixed on the side face of the connecting plate (2); a clamping groove (8) matched with the clamping block (7) is formed in the wall body (1); the connecting rod (3) is also hinged with a pushing piece (9) for pushing the connecting rod to rotate; the connecting plate (2) is formed by hinging a first plate body (10) and a second plate body (11), and an angle adjusting component for adjusting the rotating angle of the first plate body (10) and the second plate body (11) is arranged between the first plate body (10) and the second plate body (11).
2. The assembly type building connecting component according to claim 1, wherein the angle adjusting assembly comprises a semicircular plate body (12), the semicircular plate body (12) is fixed on the side surface of the second plate body (11), a plurality of semicircular sliding grooves (13) are formed in the semicircular plate body (12), sliding rods (14) which are connected with the semicircular sliding grooves in a sliding manner are arranged in the semicircular sliding grooves (13), the left ends of the sliding rods (14) penetrate through the semicircular plate body (12) to be fixedly connected with the first block body (15), and the right ends of the sliding rods (14) penetrate through the semicircular plate body (12) to be fixedly connected with the second block body (16); the side surface of the first block body (15) is fixedly connected with the side surface of the first plate body (10); and the second block body (16) is also provided with a locking mechanism for locking the second block body with the semicircular sliding groove (13).
3. The assembly type building connecting component according to claim 2, wherein the locking mechanism comprises a locking bolt (17) and a locking nut (18), the second block (16) is provided with a first threaded through hole (19), a plurality of second threaded through holes (20) matched with the first threaded through holes (19) are arranged on the semicircular chute (13) corresponding to the position where the second block (16) slides, the locking bolt (17) penetrates through the first threaded through hole (19) and the second threaded through hole (20) to be in threaded connection with the locking nut (18), and the locking bolt (17) is matched with the first threaded through hole (19) and the second threaded through hole (20) to lock the relative position of the second block (16) and the semicircular chute (13).
4. The assembly type building connecting component as claimed in claim 1, wherein the connecting plate (2) is provided with a wedge-shaped groove (21) on the surface opposite to the wall body (1), the wedge-shaped groove (21) is matched with a wedge block (22), and the wedge block (22) is fixed on the side surface of the wall body (1).
5. The assembly type building connecting component according to claim 1, wherein the number of the semicircular chutes (13) is two, sliding rods (14) sliding along the semicircular chutes (13) are arranged in the two semicircular chutes (13), the left ends of the two sliding rods (14) penetrate through the semicircular plate body (12) and are fixedly connected with the first block body (15), the right ends of the two sliding rods (14) penetrate through the semicircular plate body (12) and are fixedly connected with the second block body (16), and the two sliding rods (14) are used for ensuring that the first block body (15) and the second block body (16) always rotate around the center of the semicircular plate body (12).
6. An assembled building connecting element according to claim 1, characterized in that the pushing element (9) is a cylinder, the cylinder of which is hinged on the side of the connecting plate (2), and the telescopic end of which is hinged with the connecting rod (3).
7. An assembled building connecting element according to claim 1, characterized in that the pushing member (9) is an electric push rod, the fixed end of which is hinged on the side of the connecting plate (2), and the telescopic end of which is hinged with the connecting rod (3).
8. A fabricated building connecting element according to claim 1, wherein the number of the connecting members is plural, and the plural connecting members are symmetrically distributed on the left and right sides of the connecting plate (2).
9. An assembly type building connecting member according to claim 1, wherein the shape of the clamping block (6) is an inverted ladder-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404591.8A CN110939206B (en) | 2019-12-31 | 2019-12-31 | Assembled building connecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404591.8A CN110939206B (en) | 2019-12-31 | 2019-12-31 | Assembled building connecting component |
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| Publication Number | Publication Date |
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| CN110939206A true CN110939206A (en) | 2020-03-31 |
| CN110939206B CN110939206B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911404591.8A Expired - Fee Related CN110939206B (en) | 2019-12-31 | 2019-12-31 | Assembled building connecting component |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0332631B1 (en) * | 1986-11-27 | 1992-11-25 | COLLIS, Howard Geoffrey | Building elements |
| CN1584239A (en) * | 2004-06-14 | 2005-02-23 | 关范 | Wall combining method |
| CN202084239U (en) * | 2011-05-21 | 2011-12-21 | 高尔军 | Four-bar mechanism demonstration teaching aid |
| CN108457390A (en) * | 2018-02-14 | 2018-08-28 | 河南城建学院 | A kind of light weather-proof assembling type outer wall thermal insulation board |
| CN110130540A (en) * | 2019-05-28 | 2019-08-16 | 杜书影 | A kind of assembled architecture connecting elements |
-
2019
- 2019-12-31 CN CN201911404591.8A patent/CN110939206B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0332631B1 (en) * | 1986-11-27 | 1992-11-25 | COLLIS, Howard Geoffrey | Building elements |
| CN1584239A (en) * | 2004-06-14 | 2005-02-23 | 关范 | Wall combining method |
| CN202084239U (en) * | 2011-05-21 | 2011-12-21 | 高尔军 | Four-bar mechanism demonstration teaching aid |
| CN108457390A (en) * | 2018-02-14 | 2018-08-28 | 河南城建学院 | A kind of light weather-proof assembling type outer wall thermal insulation board |
| CN110130540A (en) * | 2019-05-28 | 2019-08-16 | 杜书影 | A kind of assembled architecture connecting elements |
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| Publication number | Publication date |
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| CN110939206B (en) | 2021-03-16 |
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Granted publication date: 20210316 Termination date: 20211231 |