Unit body outer decoration strip connecting system
Through the connection system of cross beams, public columns, female columns, lift arms, ferrule and exterior decorative strips, the problem of exterior decorative strips affecting the appearance is solved, simple installation and low-cost exterior decorative strip connections are realized, and angle deflection and expansion functions are available, and exterior decorative strip connections are equipped with the functions of angle deflection and expansion, which are suitable for exterior decorative strip connections of building curtain walls.
Patent Information
- Application Number
- CN202510575418.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2025-07-11
AI Technical Summary
现有技术中,外装饰条在幕墙立面外伸出设置转接连接,影响外观美观,且安装复杂,成本高。
The connecting system of cross beams, public columns, female columns, lift arms, ferrule cores and exterior trim strips is adopted. It is fixed by plugging and screws to achieve a connection method that can adapt to angle deflection and telescopicity, and integrates a lighting system to simplify the installation process.
It realizes simple installation of exterior decorative strips, saves labor costs, is convenient for replacement and maintenance, is simple in appearance, reduces material and mold costs, and has excellent stress performance.
Smart Images

Figure CN120291639A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of building curtain walls, and particularly to a connecting system for external decorative strips of unit bodies. Background Art
[0002] There are various connection forms for external decorative strips. Among them, the connection and fixation of horizontal and vertical external decorative strips are the simplest and most common. For the sake of easy installation and replacement, it is usually necessary to extend and set up a transition connection outside the curtain wall facade to ensure there is enough space for operation. However, this area is often visible, and exposed bolts and other accessories will have a certain impact on the appearance. Summary of the Invention
[0003] The present invention provides a connecting system for external decorative strips of unit bodies to solve the problem that installing external decorative strips requires extending and setting up a transition connection outside the curtain wall facade, which affects the appearance of the curtain wall.
[0004] To solve the above technical problems, the technical solution of the present invention is as follows:
[0005] A connecting system for external decorative strips of unit bodies, comprising:
[0006] A cross beam;
[0007] A unit body fixedly connected to the cross beam, the unit body includes a male upright post and a female upright post, and the male upright post and the female upright post are fixedly connected;
[0008] A cantilever fixedly connected to the male upright post;
[0009] A core inserted fixedly connected to the cantilever;
[0010] An external decorative strip fixedly connected to the core inserted.
[0011] Optionally, the cross-section of the cantilever is a circular structure with a notch, and the core inserted is inserted into the circular structure and fixedly connected to the cantilever.
[0012] Optionally, the cantilever is inserted into the male upright post and fixedly connected by a first screw.
[0013] Optionally, the core inserted is inserted into the external decorative strip and fixed by a fourth screw.
[0014] Optionally, the external decorative strip is a closed cavity structure, and a lighting system is arranged inside the cavity structure;
[0015] The first end of the core inserted and the lighting system are fixedly connected.
[0016] Optionally, the cross beam and the unit body are fixedly connected by a plurality of third screws.
[0017] Optionally, a sealing strip is filled between the male column and the female column.
[0018] Optionally, a plurality of semi-circular rubber strips are provided between the second end of the core insert and the outer decorative strip.
[0019] Optionally, an installation groove is provided at the second end of the core insert, and the semi-circular rubber strip is arranged in the installation groove.
[0020] Optionally, the core insert is provided with bolt holes;
[0021] The outer decorative strip is provided with avoidance holes, and the center lines of the avoidance holes coincide with the center lines of the bolt holes.
[0022] Optionally, a second screw passes through the avoidance hole and the bolt hole to fix the core insert and the outer decorative strip on the cantilever.
[0023] The above solution of the present invention has at least the following beneficial effects:
[0024] The above solution of the present invention includes a cross beam; a unit body fixedly connected to the cross beam, the unit body includes a male column and a female column, and the male column and the female column are fixedly connected; a cantilever fixedly connected to the male column; a core insert fixedly connected to the cantilever; and an outer decorative strip fixedly connected to the core insert. The solution of the present invention has the advantages of being adaptable to a certain angle deflection and telescoping, and being replaceable disorderly; at the same time, the connection system of the outer decorative strip is simple and effective for on-site installation, easy to operate, saves labor costs, and greatly facilitates the replacement and maintenance of the outer decorative strip of the curtain wall in the later stage. Description of the Drawings
[0025] Figure 1 is an elevation view of the connection system of the outer decorative strip of the unit body provided by the embodiment of the present invention;
[0026] Figure 2 is a cross-sectional view of the connection structure between the cantilever, the core insert and the outer decorative strip provided by the embodiment of the present invention;
[0027] Figure 3 is a cross-sectional view of the connection structure between the core insert and the outer decorative strip provided by the embodiment of the present invention;
[0028] Figure 4 is a schematic diagram of the opening positions of the core insert and the outer decorative strip provided by the embodiment of the present invention;
[0029] Figure 5 is a cross-sectional view of the cantilever provided by the embodiment of the present invention. Detailed Embodiments
[0030] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present invention can be more thoroughly understood and the scope of the present invention can be fully conveyed to those skilled in the art.
[0031] As Figures 1 to 5 shown, an external decorative strip connection system for a unit according to an embodiment of the present invention includes:
[0032] A cross beam 8;
[0033] A unit body fixedly connected to the cross beam 8, the unit body includes a male column 1 and a female column 2, and the male column 1 and the female column 2 are fixedly connected;
[0034] A cantilever 3 fixedly connected to the male column 1;
[0035] A core insert 4 fixedly connected to the cantilever 3;
[0036] An external decorative strip 5 fixedly connected to the core insert 4.
[0037] In this embodiment, the cantilever 3 made of stainless steel casting is pre-fixed at the corresponding position of the unit body column, usually fixed on the male column 1 of each unit body. If the workload of subsequent installation of the external decorative strip 5 is to be reduced, it can also be set on the male column 1 and the female column 2 of the same unit body. When hoisting the unit body, the corresponding external decorative strip 5 of the unit body is installed first and then hoisted together and assembled and fixed with the cross beam 8. Finally, use a hanging basket or a window cleaning machine platform to install the corresponding external decorative strip 5 of the adjacent unit body. This method can save half of the external installation workload.
[0038] The length of the cantilever 3 is determined according to actual construction needs. The front end cross section of the cantilever 3 is designed as a circular structure 31 with flat concave notches on the upper and lower sides. The stainless steel casting material is usually 316L, and duplex stainless steel 2205 can also be used according to the stress situation. Both the male column 1 and the female column 2 are aluminum alloy columns, and the exterior is sprayed with fluorocarbon.
[0039] The core insert 4 is made of aluminum alloy. An installation hole adapted to the circular structure 31 is provided in the middle of the core insert 4. The core insert 4 is inserted into the circular structure 31 and fixedly connected to the cantilever 3. A plurality of external decorative strips 5 are provided and are inserted at both ends of the core insert 4.
[0040] The curtain rail 101 in the building interior is fixedly installed on the upper parts of the male column 1 and the female column 2 by self-tapping and self-drilling screws 102, and the curtain 103 is fixed on the curtain rail 101.
[0041] The insulating glass panel 104 is fixed to the lower part of the male column 1 and the female column 2 by structural adhesive, and the outer decorative strip 5 is arranged on the outer side of the insulating glass panel 104. The gaps between the insulating glass panel 104 and the male column 1 and the female column 2 are filled with black sealant and foam rods to improve the overall seal of the structure.
[0042] The unit outer decorative strip connection system of this embodiment provides a connection method for the inclined and continuous aluminum decorative strips installed on the outside of the unit, which has the advantages of being adaptable to a certain angle deflection and expansion, and can be replaced disorderly; at the same time, the outer decorative strip connection system is simple and effective for on-site installation, easy to operate, saves labor costs, and greatly facilitates the replacement and maintenance of the outer decorative strips of the curtain wall in the later stage.
[0043] As Figure 1 shown, in an optional embodiment of the present invention, the cantilever 3 is inserted into the male column 1 and fixedly connected by the first screw 71.
[0044] In this embodiment, the male column 1 and the cantilever 3 are both provided with adapted insertion interfaces, so that after the male column 1 and the cantilever 3 are inserted and fixed, the first screw 71 is further used for fixation to prevent the cantilever 3 from falling off.
[0045] As Figure 2 shown, in an optional embodiment of the present invention, the outer decorative strip 5 is a closed cavity structure, and a lighting system 52 is arranged inside the cavity structure;
[0046] The first end of the core 4 and the lighting system 52 are fixedly connected.
[0047] In this embodiment, the outer decorative strip 5 is designed as a closed cavity structure formed by aluminum alloy extrusion, and the lighting system 52 is arranged in the transverse section of the cavity structure. The lighting system 52 is a box structure as a whole, fixed inside the outer decorative strip 5, and the side of the lighting system 52 is fixed to the core 4 by screws. The inside of the lighting system 52 can be arranged with lamp grooves, lamp wires, etc. as required.
[0048] As Figure 1 shown, in an optional embodiment of the present invention, the cross beam 8 and the unit are fixedly connected by a plurality of third screws 73;
[0049] A sealant strip 9 is filled between the male column 1 and the female column 2.
[0050] In this embodiment, the male column 1 and the female column 2 are inserted and fixed to form a unit body, and then fixed to the cross beam 8 through a plurality of third screws 73 to form a unit plate. The male column 1 and the female column 2 are both provided with mating insertion interfaces, so that the male column 1 and the female column 2 are inserted and fixed. The fixing by the insertion method facilitates the installation and disassembly of the curtain wall and improves the efficiency of on-site installation. The third screw 73 is a stainless steel self-tapping screw.
[0051] Two sealing rubber strips 9 are arranged between the male column 1 and the female column 2 to play a sealing role and prevent rainwater, dust, etc. from entering the interior of the unit plate.
[0052] In an alternative embodiment of the present invention, a plurality of semi-circular rubber strips 6 are arranged between the second end of the core 4 and the outer decorative strip 5.
[0053] In an alternative embodiment of the present invention, the second end of the core 4 is provided with an installation groove 42, and the semi-circular rubber strip 6 is arranged in the installation groove 42.
[0054] As Figure 3 shown, in the above embodiment, the first end of the core 4 is fixed to the lighting system 52, the second end of the core 4 is provided with an installation groove 42, and the semi-circular rubber strip 6 is arranged in the installation groove 42. After the core 4 is inserted and fitted with the inner side of the outer decorative strip 5, a rotation of 1 degree can be achieved during insertion through the semi-circular rubber strip 6. At the same time, since the rubber strip has elasticity, it can also digest the processing error of about 1 mm up and down during processing, and at the same time digest the displacement difference and thermal expansion and contraction between unit bodies.
[0055] In an alternative embodiment of the present invention, the core 4 is provided with bolt holes 41;
[0056] The outer decorative strip 5 is provided with avoidance holes 51, and the center line of the avoidance holes 51 coincides with the center line of the bolt holes 41.
[0057] In an alternative embodiment of the present invention, the second screw 72 passes through the avoidance holes 51 and the bolt holes 41 to fix the core 4 and the outer decorative strip 5 on the cantilever 3.
[0058] As Figure 4 shown, in the above embodiment, four bolt holes 41 are opened up and down in the projecting length direction at both ends of the core 4; avoidance holes 51 are opened at the positions of the outer decorative strip 5 adapted to the bolt holes 41. The outer decorative strip 5 together with the core 4 is inserted into the cantilever 3, and four second screws 72 are tightened up and down at the corresponding avoidance positions to fix the cantilever 3, the core 4 and the outer decorative strip 5. It can prevent the outer decorative strip 5 from falling off, and when resisting wind load and other loads, it relies on the insertion cross-section cooperation between the outer decorative strip 5 and the core 4 and between the core 4 and the cantilever 3.
[0059] In this embodiment, the second screw 72 is an M6 machine screw.
[0060] The unit external decorative strip connection system according to the embodiment of the present invention has a simple appearance, convenient on-site construction for the design position of the fixing screw, is safe and reliable; the main load bearing mode is the force bearing in cooperation with the profile lap joint, with excellent integrity and load bearing performance; the insertion between the external decorative strips is simple and practical, and can be installed and replaced disorderly; integrating the lamp slot and lamp wire in the same mold will save more than 30% of the mold cost; the external decorative strip is basically a closed cavity mold, without special connection requirements such as single arms and buckles, with reasonable cross-section force, and the material consumption, processing and installation will save about 40% of the cost; installing the external decorative strip with a hanging basket or a window cleaning machine platform on site will save about 30% of the cost.
[0061] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.
Claims
1. An external decorative strip connection system for a unit, characterized in that, Including: Cross beam (8); A unit body fixedly connected to the cross beam (8), the unit body includes a male column (1) and a female column (2), and the male column (1) and the female column (2) are fixedly connected; A cantilever (3) fixedly connected to the male column (1); A core insert (4) fixedly connected to the cantilever (3); An outer decorative strip (5) fixedly connected to the core insert (4).
2. The unit exterior decorative strip connection system according to claim 1, characterized in that, The cross section of the cantilever (3) is a circular structure (31) with a notch, and the core insert (4) is inserted into the circular structure (31) and fixedly connected to the cantilever (3).
3. The unit exterior decorative strip connection system according to claim 1, characterized in that, The cantilever (3) is inserted into the male column (1) and fixedly connected by a first screw (71).
4. The unit exterior decorative strip connection system according to claim 1, characterized in that The outer decorative strip (5) is a closed cavity structure, and a lighting system (52) is arranged inside the cavity structure; The first end of the core insert (4) and the lighting system (52) are fixedly connected.
5. The unit exterior decorative strip connection system according to claim 1, characterized in that, The cross beam (8) and the unit body are fixedly connected by a plurality of third screws (73).
6. The unit exterior decorative strip connection system according to claim 1, characterized in that, A sealing strip (9) is filled between the male column (1) and the female column (2).
7. The unit exterior decorative strip connection system according to claim 1, characterized in that, A plurality of semi-circular rubber strips (6) are arranged between the second end of the core insert (4) and the outer decorative strip (5).
8. The unit external decorative strip connection system according to claim 1, characterized in that, An installation groove (42) is arranged at the second end of the core insert (4), and the semi-circular rubber strip (6) is arranged in the installation groove (42).
9. The unit external decorative strip connection system according to claim 1, characterized in that, The core insert (4) is provided with bolt holes (41); The outer decorative strip (5) is provided with avoidance holes (51), and the center line of the avoidance holes (51) coincides with the center line of the bolt holes (41).
10. The unit exterior decorative strip connection system according to claim 9, characterized in that, A second screw (72) passes through the avoidance holes (51) and the bolt holes (41) to fix the core insert (4) and the outer decorative strip (5) on the cantilever (3).