CN220790102U - Node connecting piece for assembled building components - Google Patents
Node connecting piece for assembled building components Download PDFInfo
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- CN220790102U CN220790102U CN202322182372.8U CN202322182372U CN220790102U CN 220790102 U CN220790102 U CN 220790102U CN 202322182372 U CN202322182372 U CN 202322182372U CN 220790102 U CN220790102 U CN 220790102U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model discloses a node connector for a fabricated building element, which is used for connecting a first building element and a second building element, and comprises the following components: the first upper connecting unit, the second upper connecting unit and the upper node connecting bolt; the first upper connecting unit comprises a first upper connecting plate and a first upper embedded rib, a first upper bolt hole penetrating through the first upper connecting plate is formed in the upper portion of the first upper connecting plate, and an upper guide limit clamping groove penetrating through the first upper connecting plate is formed in the lower portion of the first upper connecting plate. Compared with the prior art, the positioning and splicing device has the advantages that when the building components are hoisted and spliced, the positioning and splicing are rapid and accurate, the difficulty of hole alignment during installation can be reduced, and the construction process is simple and convenient. And the embedded ribs and the connecting plate are matched to realize embedding and connection, so that the anchoring stability is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a node connecting piece for an assembly type building component.
Background
The assembled building is taken as an important component of building industrialization, is a modern industrial product adopting standardized design, industrial production, assembled construction, integrated decoration and informatization management, and the production, transportation and hoisting splicing of the components are basic components. Compared with the traditional cast-in-situ structure, the assembled structure greatly reduces the field wet operation, saves the construction period, labor force and cost and improves the quality controllability.
In the prior art, in order to realize connection of the assembly type component nodes, a structure of matching pre-buried bolts and bolt holes is generally adopted. For example, bolts are pre-embedded in one member and bolt holes are reserved in the other member. When in assembly, one component is lifted, the position of the component is adjusted, the embedded bolt is aligned with the reserved bolt hole and then inserted, and then the embedded bolt is screwed and fixed by a nut.
The deficiencies of the prior art include the following two aspects:
(1) When hoisting and splicing, the embedded bolts and the reserved bolt holes are required to be accurately positioned, and the embedded bolts and the reserved bolt holes can be inserted, so that the difficulty of installing the embedded bolts and the reserved bolt holes is high.
(2) The anchoring is performed only by the embedded bolts, and the anchoring stability is poor.
Accordingly, there is a need to provide a new node connection for fabricated building elements that addresses the above-described problems.
Disclosure of Invention
First, the technical problem to be solved
Based on the structure, the utility model provides a node connecting piece for an assembled building component, which solves the technical problems of difficult hole installation and poor anchoring stability of the existing node connecting structure adopting the cooperation of the embedded bolt and the bolt hole.
(II) technical scheme
In order to solve the above technical problem, the present utility model proposes a node connection for a fabricated building element for connecting a first building element and a second building element, the node connection for a fabricated building element comprising: the first upper connecting unit, the second upper connecting unit and the upper node connecting bolt; the first upper connecting unit comprises a first upper connecting plate and a first upper embedded rib, a first upper bolt hole penetrating through the first upper connecting plate is formed in the upper portion of the first upper connecting plate, an upper guide limit clamping groove penetrating through the first upper connecting plate is formed in the lower portion of the first upper connecting plate, the first upper embedded rib penetrates through the first upper connecting plate, and the first upper embedded rib is completely embedded into the first building component; the second upper connecting unit comprises a second upper connecting plate and a second upper embedded rib, a second upper bolt hole penetrating through the second upper connecting plate is formed in the upper portion of the second upper connecting plate, an upper guide limit screw penetrating through the second upper connecting plate is fixedly arranged at the lower portion of the second upper connecting plate, the second upper embedded rib penetrates through the second upper connecting plate, and the second upper embedded rib is completely embedded into the second building member; the node connecting piece for the assembled building component comprises a connecting state, and when the node connecting piece for the assembled building component is in the connecting state, the upper guide limit screw is arranged in the upper guide limit clamping groove; the upper node connecting bolt penetrates through the first upper bolt hole and the second upper bolt hole at the same time.
Preferably, the notch of the upper guide limit clamping groove is arranged on the side wall of the first upper connecting plate, which is far away from one side of the first upper embedded rib, and the bottom of the upper guide limit clamping groove is positioned at the lower part of the first upper bolt hole.
Preferably, the number of the upper node connecting bolts is plural, and each upper node connecting bolt simultaneously penetrates through a bolt hole group formed by a first upper bolt hole and a second upper bolt hole.
Preferably, the first upper connecting plate and the second upper connecting plate are made of steel plates.
Preferably, the first upper embedded rib and the first upper connecting plate are fixedly connected in a perforation welding mode; the included angle between the first upper embedded rib and the first upper connecting plate is 90 degrees.
Preferably, the second upper embedded rib and the second upper connecting plate are fixedly connected in a perforation welding mode; the included angle between the second upper embedded rib and the second upper connecting plate is 90 degrees.
Preferably, one end of the first upper connecting plate, which is close to the first upper embedded rib, is embedded into the first building component; and one end of the second upper connecting plate, which is close to the second upper embedded rib, is embedded into the second building component.
Preferably, the node connector for a fabricated building element further comprises: the first lower connecting unit, the second lower connecting unit and the lower node connecting bolt; the first upper connecting units are two sets of connecting units arranged side by side along the same horizontal plane, a set of first lower connecting units are arranged below each set of first upper connecting units at intervals, each first lower connecting unit comprises a first lower connecting plate and first lower embedded ribs, a first lower bolt hole penetrating through the first lower connecting plate is formed in the lower part of the first lower connecting plate, a lower guide limit clamping groove penetrating through the first lower connecting plate is formed in the upper part of the first lower connecting plate, the first lower embedded ribs penetrate through the first lower connecting plate, and the first lower embedded ribs are completely embedded into the first building member; the second is gone up the connecting unit and is two sets of setting up side by side along same horizontal plane, every group the below interval of connecting unit is provided with one set of under the second connecting unit down, the second is connecting unit down and includes: the lower part of the second lower connecting plate is provided with a second lower bolt hole penetrating through the second lower connecting plate, the upper part of the second lower connecting plate is fixedly provided with a lower guide limit screw penetrating through the second lower connecting plate, the second lower embedded rib penetrates through the second lower connecting plate, and the second lower embedded rib is completely embedded into the second building member; when the node connecting piece for the assembled building component is in a connecting state, the lower guide limit screw is arranged in the lower guide limit clamping groove; the lower node connecting bolt penetrates through the first lower bolt hole and the second lower bolt hole at the same time.
Preferably, the first lower connecting plate and the second lower connecting plate are both made of steel plates; the first lower embedded ribs and the first lower connecting plate are fixedly connected in a perforation welding mode; the included angle between the first lower embedded rib and the first lower connecting plate is 90 degrees; the second lower embedded ribs and the second lower connecting plate are fixedly connected in a perforation welding mode; the included angle between the second lower embedded rib and the second lower connecting plate is 90 degrees.
Preferably, one end of the first lower connecting plate, which is close to the first lower embedded rib, is embedded into the first building component; and one end of the second lower connecting plate, which is close to the second lower embedded rib, is embedded into the second building component.
(III) beneficial effects
Compared with the prior art, the positioning and splicing device has the advantages that when the building components are hoisted and spliced, the positioning and splicing are rapid and accurate, the difficulty of hole alignment during installation can be reduced, and the construction process is simple and convenient. And the embedded ribs and the connecting plate are matched to realize embedding and connection, so that the anchoring stability is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an application state (connection state) of the present utility model;
FIG. 2 is a schematic diagram of an application state II (non-connected state) of the present utility model;
fig. 3 is a schematic diagram of an application state III (a schematic perspective view) of the present utility model;
FIG. 4 is an exploded view of the present utility model;
fig. 5 is a cross-sectional view taken along line A-A of fig. 4.
Reference numerals illustrate:
100. node connectors for fabricated building elements; 200. a first building element; 300. a second building element;
1. a first upper connection unit; 2. a first lower connection unit; 3. a second upper connection unit; 4. a second lower connection unit; 5. an upper node connecting bolt; 6. a lower node connecting bolt;
11. a first upper connection plate; 12. first upper embedded ribs; 13. a first upper key hole; 14. an upper guide limit clamping groove;
21. a first lower connection plate; 22. a first lower embedded rib; 23. a first lower key hole; 24. a lower guide limit clamping groove;
31. a second upper connecting plate; 32. second upper embedded ribs; 33. a second upper key hole; 34. an upper guide limit screw;
41. a second lower connection plate; 42. second lower embedded ribs; 43. a second lower key hole; 44. and a lower guide limit screw.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
The node connector 100 for use with fabricated building elements of the present utility model is further described below with reference to fig. 1-5.
The present utility model discloses a node connector 100 for a fabricated building element, for connecting a first building element 200 and a second building element 300, the node connector 100 for a fabricated building element comprising: a first upper connection unit 1, a second upper connection unit 3, and an upper node connection pin 5; the first upper connecting unit 1 comprises a first upper connecting plate 11 and a first upper embedded rib 12, a first upper bolt hole 13 penetrating through the first upper connecting plate 11 is formed in the upper part of the first upper connecting plate 11, an upper guide limit clamping groove 14 penetrating through the first upper connecting plate is formed in the lower part of the first upper connecting plate 11, the first upper embedded rib 12 penetrates through the first upper connecting plate 11, and the first upper embedded rib 12 is completely embedded into the first building component 200; the second upper connecting unit 3 comprises a second upper connecting plate 31 and a second upper embedded rib 32, a second upper bolt hole 33 penetrating through the second upper connecting plate 31 is formed in the upper part of the second upper connecting plate 31, an upper guide limit screw 34 penetrating through the second upper connecting plate 31 is fixedly arranged at the lower part of the second upper connecting plate 31, the second upper embedded rib 32 penetrates through the second upper connecting plate 31, and the second upper embedded rib 32 is completely embedded into the second building member 300; the node connector 100 for the fabricated building element comprises a connection state, and when the node connector 100 for the fabricated building element is in the connection state, the upper guide limit screw 34 is arranged in the upper guide limit clamping groove 14; the upper node connecting pin 5 penetrates both the first upper pin hole 13 and the second upper pin hole 33.
In this embodiment, the first building element 200 may be a load-bearing structure such as a shear wall or a shear column. The second building element 300 may be a prefabricated rest platform and a prefabricated stairway tread. The node connector 100 for the fabricated building element is used for connecting the first building element 200 and the second building element 300, so that the connection of the fabricated building elements is realized, and when the first building element 200 and the second building element 300 are poured, the embedded part in the node connector 100 for the fabricated building element is embedded. The first upper embedded rib 12 and the second upper embedded rib 32 are used as embedded parts and are embedded into the first building component 200 and the second building component 300 respectively, so that embedded anchoring is realized.
It should be noted that, the anchoring structures of the second upper connection unit 3 of the first upper connection unit 1 are similar, and are a combination of longitudinal anchoring and transverse anchoring. The adoption of the structure can greatly improve the anchoring strength.
The first upper connection unit 1 will be described as an example. The first upper pre-buried bar 12 passes through the first upper connecting plate 11, and preferably, the first upper pre-buried bar 12 and the first upper connecting plate 11 are vertically arranged. The first upper pre-buried rib 12 plays a role in transverse anchoring, and the first upper connecting plate 11 plays a role in longitudinal anchoring and is used for connection. The connection of the second building element 300 and the first building element 200 is achieved under the effect of the upper node connecting pin 5. The node connecting bolt is preferably a high-strength bolt, so that stable connection is facilitated, and the force transmission effect is guaranteed.
The upper guide limit clamping groove 14 is matched with the upper guide limit screw 34, so that the limit during hoisting and splicing is realized, and the difficulty of mounting the holes can be reduced. When the hoisting splice is carried out, the upper guide limit clamping groove 14 and the upper guide limit screw 34 are buckled and limited, so that the first upper bolt hole 13 and the second upper bolt hole 33 are aligned and reach the required positioning for splice, and the installation is convenient and quick.
According to the specific embodiment of the utility model, the notch of the upper guiding and limiting clamping groove 14 is arranged on the side wall of the first upper connecting plate 11, which is far away from the side of the first upper embedded rib 12, and the bottom of the upper guiding and limiting clamping groove 14 is positioned at the lower part of the notch of the first upper bolt hole 13.
In this embodiment, the notch is positioned to facilitate the introduction of the upper guide limit screw 34, and the position of the groove bottom can prevent the upper guide limit screw 34 from easily falling out of the upper guide limit clamping groove 14.
According to the embodiment of the present utility model, the number of the upper node connecting pins 5 is plural, and each upper node connecting pin 5 simultaneously penetrates a pin hole group consisting of one first upper pin hole 13 and one second upper pin hole 33.
In this embodiment, a plurality of upper node connecting pins 5 are used to further provide stability of anchoring.
According to the embodiment of the present utility model, the first upper connection plate 11 and the second upper connection plate 31 are both made of steel plates.
According to the specific embodiment of the utility model, the first upper embedded rib 12 and the first upper connecting plate 11 are fixedly connected in a perforation welding mode; the included angle between the first upper embedded rib 12 and the first upper connecting plate 11 is 90 degrees.
According to the specific embodiment of the utility model, the second upper embedded ribs 32 and the second upper connecting plate 31 are fixedly connected in a perforation welding mode; the included angle between the second upper embedded rib 32 and the second upper connecting plate 31 is 90 degrees.
In the embodiment, the fixed connection is realized by adopting the perforation plug welding process, so that the bonding strength of the embedded part can be further improved.
According to the specific embodiment of the utility model, one end of the first upper connecting plate 11, which is close to the first upper embedded rib 12, is embedded into the first building component 200; one end of the second upper connecting plate 31, which is close to the second upper embedded rib 32, is embedded into the second building member 300.
In this embodiment, the portions of the first upper connecting plate 11 and the second upper connecting plate 31 are pre-buried, which is advantageous for further improving the anchoring strength.
According to an embodiment of the present utility model, the node connector 100 for a fabricated building element further comprises: a first lower connection unit 2, a second lower connection unit 4, and a lower node connection pin 6; the first upper connecting units 1 are two sets of the first upper connecting units 1 arranged side by side along the same horizontal plane, a set of first lower connecting units 2 are arranged below each set of the first upper connecting units 1 at intervals, each first lower connecting unit 2 comprises a first lower connecting plate 21 and first lower embedded ribs 22, a first lower bolt hole 23 penetrating through the first lower connecting plate 21 is formed in the lower part of the first lower connecting plate 21, a lower guiding limit clamping groove 24 penetrating through the first lower connecting plate 21 is formed in the upper part of the first lower connecting plate 21, and the first lower embedded ribs 22 penetrate through the first lower connecting plate 21 and are completely embedded into the first building component 200; the second is gone up connecting unit 3 and is two sets of that set up side by side along same horizontal plane, and the below interval of connecting unit 3 is provided with the second of a set of connecting unit 4 down on every second, and connecting unit 4 includes down: the lower part of the second lower connecting plate 41 is provided with a second lower bolt hole 43 penetrating through the second lower connecting plate 41, the upper part of the second lower connecting plate 41 is fixedly provided with a lower guide limit screw 44 penetrating through the second lower connecting plate 41, the second lower embedded rib 42 penetrates through the second lower connecting plate 41, and the second lower embedded rib 42 is completely embedded into the second building component 300; when the node connecting piece 100 for the assembled building component is in a connecting state, the lower guide limit screw 44 is arranged in the lower guide limit clamping groove 24; the lower node connecting pin 6 penetrates both the first lower pin hole 23 and the second lower pin hole 43.
In the above embodiment, the first upper connection unit 1, the second upper connection unit 3 and the upper node connection bolt 5 form a set of node connection structures, and in this embodiment, the first lower connection unit 2, the second lower connection unit 4 and the lower node connection bolt 6 form another set of node connection structures, and the two sets of node connection structures are arranged up and down, which is beneficial to further improving the connection stability. To ensure quick docking, the upper and lower guide limit detents 14, 24 are positioned adjacent one another up and down to facilitate simultaneous alignment of the upper and lower guide limit screws 34, 44. In the specific implementation, the shape and the number of the components can be respectively adjusted according to the needs.
According to the embodiment of the utility model, the first lower connecting plate 21 and the second lower connecting plate 41 are made of steel plates; the first lower embedded ribs 22 and the first lower connecting plate 21 are fixedly connected in a perforation welding mode; the included angle between the first lower embedded rib 22 and the first lower connecting plate 21 is 90 degrees; the second lower embedded rib 42 and the second lower connecting plate 41 are fixedly connected in a perforation welding mode; the included angle between the second lower embedded rib 42 and the second lower connecting plate 41 is 90 degrees.
According to the embodiment of the utility model, one end of the first lower connecting plate 21, which is close to the first lower embedded rib 22, is embedded into the first building component 200; one end of the second lower connecting plate 41, which is close to the second lower embedded rib 42, is embedded into the second building member 300.
The first lower connection unit 2 and the second lower connection unit 4 are similar to the first upper connection unit 1 and the second upper connection unit 3, respectively, and the analysis of the structure and function thereof may be described above with reference to the first lower connection unit 2 and the second lower connection unit 4.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements, or "transmission connection", i.e. power connection by various suitable means such as belt transmission, gear transmission or sprocket transmission. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. A node connection for a fabricated building element, the node connection for a fabricated building element for connecting a first building element and a second building element, the node connection for a fabricated building element comprising: the first upper connecting unit, the second upper connecting unit and the upper node connecting bolt; the first upper connecting unit comprises a first upper connecting plate and a first upper embedded rib, a first upper bolt hole penetrating through the first upper connecting plate is formed in the upper portion of the first upper connecting plate, an upper guide limit clamping groove penetrating through the first upper connecting plate is formed in the lower portion of the first upper connecting plate, the first upper embedded rib penetrates through the first upper connecting plate, and the first upper embedded rib is completely embedded into the first building component; the second upper connecting unit comprises a second upper connecting plate and a second upper embedded rib, a second upper bolt hole penetrating through the second upper connecting plate is formed in the upper portion of the second upper connecting plate, an upper guide limit screw penetrating through the second upper connecting plate is fixedly arranged at the lower portion of the second upper connecting plate, the second upper embedded rib penetrates through the second upper connecting plate, and the second upper embedded rib is completely embedded into the second building member; the node connecting piece for the assembled building component comprises a connecting state, and when the node connecting piece for the assembled building component is in the connecting state, the upper guide limit screw is arranged in the upper guide limit clamping groove; the upper node connecting bolt penetrates through the first upper bolt hole and the second upper bolt hole at the same time.
2. The node connection for fabricated building elements according to claim 1, wherein the notch of the upper guiding limit slot is formed in the side wall of the first upper connecting plate, which is far away from the first upper embedded rib, and the bottom of the upper guiding limit slot is located at the lower part of the first upper bolt hole.
3. The node connector for fabricated building elements of claim 2, wherein the number of upper node connecting pins is plural, and each upper node connecting pin simultaneously penetrates a set of one first upper pin hole and one second upper pin hole.
4. A node connector for fabricated building elements according to claim 3, wherein the first and second upper connection plates are each made of steel plate.
5. The node connector for fabricated building elements of claim 4, wherein the first upper pre-buried bar and the first upper connecting plate are fixedly connected by means of perforation welding; the included angle between the first upper embedded rib and the first upper connecting plate is 90 degrees.
6. The node connector for fabricated building elements of claim 5, wherein the second upper pre-buried bar and the second upper connecting plate are fixedly connected by means of perforation welding; the included angle between the second upper embedded rib and the second upper connecting plate is 90 degrees.
7. The node connector for fabricated building elements of claim 6, wherein an end of the first upper connecting plate adjacent to the first upper embedded bar is embedded into the first building element; and one end of the second upper connecting plate, which is close to the second upper embedded rib, is embedded into the second building component.
8. The node connection for a fabricated building element of claim 7, wherein the node connection for a fabricated building element further comprises: the first lower connecting unit, the second lower connecting unit and the lower node connecting bolt; the first upper connecting units are two sets of connecting units arranged side by side along the same horizontal plane, a set of first lower connecting units are arranged below each set of first upper connecting units at intervals, each first lower connecting unit comprises a first lower connecting plate and first lower embedded ribs, a first lower bolt hole penetrating through the first lower connecting plate is formed in the lower part of the first lower connecting plate, a lower guide limit clamping groove penetrating through the first lower connecting plate is formed in the upper part of the first lower connecting plate, the first lower embedded ribs penetrate through the first lower connecting plate, and the first lower embedded ribs are completely embedded into the first building member; the second is gone up the connecting unit and is two sets of setting up side by side along same horizontal plane, every group the below interval of connecting unit is provided with one set of under the second connecting unit down, the second is connecting unit down and includes: the lower part of the second lower connecting plate is provided with a second lower bolt hole penetrating through the second lower connecting plate, the upper part of the second lower connecting plate is fixedly provided with a lower guide limit screw penetrating through the second lower connecting plate, the second lower embedded rib penetrates through the second lower connecting plate, and the second lower embedded rib is completely embedded into the second building member; when the node connecting piece for the assembled building component is in a connecting state, the lower guide limit screw is arranged in the lower guide limit clamping groove; the lower node connecting bolt penetrates through the first lower bolt hole and the second lower bolt hole at the same time.
9. The node connector for fabricated building elements of claim 8, wherein the first lower connecting plate, second lower connecting plate are each made of steel sheet; the first lower embedded ribs and the first lower connecting plate are fixedly connected in a perforation welding mode; the included angle between the first lower embedded rib and the first lower connecting plate is 90 degrees; the second lower embedded ribs and the second lower connecting plate are fixedly connected in a perforation welding mode; the included angle between the second lower embedded rib and the second lower connecting plate is 90 degrees.
10. The node connector for fabricated building elements of claim 9, wherein an end of the first lower connecting plate adjacent the first lower embedded bar is embedded into the first building element; and one end of the second lower connecting plate, which is close to the second lower embedded rib, is embedded into the second building component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182372.8U CN220790102U (en) | 2023-08-15 | 2023-08-15 | Node connecting piece for assembled building components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182372.8U CN220790102U (en) | 2023-08-15 | 2023-08-15 | Node connecting piece for assembled building components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790102U true CN220790102U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182372.8U Active CN220790102U (en) | 2023-08-15 | 2023-08-15 | Node connecting piece for assembled building components |
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| Country | Link |
|---|---|
| CN (1) | CN220790102U (en) |
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- 2023-08-15 CN CN202322182372.8U patent/CN220790102U/en active Active
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