一种装配式建筑外立面的装饰线条连接装置
The decorative line connection device, which combines a T-shaped screw with a decorative cover and an internal threaded sleeve, solves the problems of aesthetics, sealing, and stability of the decorative line connection device. It achieves efficient sealing and aesthetic concealment, and improves the decorative effect and service life of the prefabricated building facade.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN WEIYE DECORATION GRP
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing prefabricated building facade decorative line connection devices suffer from poor aesthetics, susceptibility to dirt, insufficient sealing, and easy water leakage, affecting long-term stability and lifespan.
It adopts a combination structure of T-shaped screw, decorative cover, internal threaded sleeve, support sleeve, swivel elastic tension assembly and extrusion sealing assembly. The screw end is covered by the decorative cover and waterproof decorative sticker, and the screw is sealed by sealing ring and elastic tension structure, which improves the sealing and aesthetics of the installation position.
It effectively prevents water from seeping into the screw and damaging the wall, improves the safety and aesthetics of the installation location, reduces overall replacement costs, and enhances long-term stability.
Smart Images

Figure CN224514660U_ABST
Abstract
Claims
1. A decorative line connection device for the exterior facade of a prefabricated building, comprising an insulation layer (101) fixedly connected to the right side of a concrete wall (100), an outer sheet (102) fixedly connected to the right side of the insulation layer (101), a decorative line (2) disposed on the right side of the outer sheet (102), and a T-shaped screw (1) pre-embedded and fixed in the concrete wall (100), wherein the right end of the T-shaped screw (1) extends movably to the right side of the outer sheet (102), and a connection device body is fixedly connected to the front side of the decorative line (2), characterized in that: The decorative line (2) is fixedly connected to the outside of the mounting component (201). The insulation layer (101) and the outer leaf plate (102) are both reserved with through holes for the T-shaped screw (1) to pass through. A round through hole is opened on one side of the mounting component (201). The connecting device body includes: The decorative cover (3) has an opening on its left side and is fixed with a first sealing ring (302) that is pressed against the right side of the mounting component (201). The outer side of the decorative cover (3) has four handle slots (301) arranged in a ring at equal intervals. The internal threaded sleeve (303) is fixedly connected to the inner wall of the right side of the decorative cover (3) and threaded onto the T-shaped screw (1); Support sleeve (4) is attached to the inner right side of the decorative cover (3); The swivel spring tension assembly is rotatably sleeved inside the support sleeve (4); The compression sealing assembly is fixedly connected to the left end of the swivel support spring assembly and is movably sleeved in the round perforation, and is squeezed into contact with the right side of the outer page plate (102).
2. The decorative line connection device for prefabricated building facades according to claim 1, characterized in that: The support sleeve (4) is fixedly connected to the inner right side wall of the decorative cover (3) by welding.
3. The connecting device for decorative line of assembled building outer facade according to claim 1, characterized in that: The support sleeve (4) is detachably connected to the inner right side wall of the decorative cover (3).
4. The connecting device for decorative line of assembled building outer facade according to claim 3, characterized in that: The support sleeve (4) has slots (406) on the top right side and bottom right side. A magnet (407) is fixedly connected to the inner wall of the left side of the slot (406). Two iron blocks (304) are fixedly connected to the inner wall of the right side of the decorative cover (3). The iron blocks (304) are movably locked in the corresponding slots (406) and attracted to the magnets (407).
5. The connecting device for decorative line of assembled building outer facade according to claim 1, characterized in that: The swivel spring assembly includes a ring (401) rotatably fitted inside the support sleeve (4), the ring (401) being movably fitted on the internal threaded sleeve (303), four T-shaped guide rods (402) being slidably embedded in the right side of the ring (401) at equal intervals, and four compression springs (403) in a compressed state being fixedly connected to the left side of the ring (401), the compression springs (403) being movably fitted on the corresponding T-shaped guide rods (402).
6. The connecting device for decorative line of assembled building outer facade according to claim 5, characterized in that: The compression sealing assembly includes a pressure ring (404) fixedly connected to the left end of four T-shaped guide rods (402) and four compression springs (403). The pressure ring (404) is movably sleeved in the circular perforation. A second sealing ring (405) is bonded and fixed to the left side of the pressure ring (404) and squeezed into contact with the right side of the outer plate (102). The T-shaped screw (1) is located inside the second sealing ring (405) and the pressure ring (404) and does not contact the inner side of either of them.
7. The connecting device for decorative line of assembled building outer facade according to claim 6, characterized in that: A waterproof decorative sticker is glued to the right side of the decorative cover (3).