Corner splicing structure for composite door and window

Abstract

The corner splicing structure comprises a corner piece and two butt joint pieces, horizontal butt joint parts are arranged at the two front ends of the inclined face of the corner piece, a positioning piece is installed on the inclined face of the corner piece through a pair of heat insulation strips, clamping grooves are formed in the inclined face of the corner piece and the positioning piece, and the horizontal butt joint parts are connected with the clamping grooves. Clamping blocks clamped into the clamping grooves are arranged at the two ends of the heat insulation strip; the butt joint piece, the corner piece and the positioning piece are fixed through bolts, so that it is guaranteed that the whole heat insulation strip has good connection strength and is not prone to falling off and separating, a filling cavity is formed between the pair of heat insulation strips, and the filling cavity is filled with a first waterproof glue layer; wherein the heat insulation strips play a role in heat insulation, the filling cavities are formed among the heat insulation strips, and the first waterproof glue layers are filled in the filling cavities, so that the heat insulation strips are connected into a whole, the heat insulation strips have better stability and heat insulation performance and are not easy to fall off and break in the use process, and the service life is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field related to doors and windows, and in particular to a corner splicing structure for composite doors and windows. Background Art

[0002] When installing door and window frames, the 90° corners of the door and window frames usually need to be spliced. In the prior art, the 90° corners of the door and window frames are spliced ​​by passing through a composite heat-insulating aluminum profile, and the corner splicing profile is slightly wider than the connected window frame profile. The connection is a rigid splicing of aluminum alloy profiles. The surface of the corner splicing profile is not flush with the surface of the window frame profile. There is no space for injection and sealing after splicing. Although some corner splicing profiles are also designed to be flush with the window frame, they cannot be positioned, and cannot be effectively sealed after corner splicing, which can easily cause problems such as sealing failure, water leakage, and light transmission at the corner connection. Summary of the invention

[0003] In order to solve the defects of the prior art that the corners cannot be positioned and cannot be effectively sealed after splicing, which easily causes problems such as sealing failure, water leakage, and light transmission at the corner connection, the present invention provides a corner splicing structure for composite doors and windows.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The present invention discloses a corner splicing structure for composite doors and windows, comprising a corner piece and two butt joint pieces, wherein both ends of the inclined surface of the corner piece are provided with horizontal butt joint portions, the inclined surface of the corner piece is provided with a positioning piece via a pair of heat insulation strips, the inclined surface of the corner piece and the positioning piece are provided with a card slot, and both ends of the heat insulation strip are provided with a card block inserted into the card slot; the positioning piece is also triangular, and the inclined surface of the positioning piece is directly opposite to the inclined surface of the corner piece; a filling cavity is formed between the pair of heat insulation strips, and the filling cavity is filled with a first waterproof adhesive layer;

[0006] The docking piece includes an external profile and an internal profile, a heat insulating profile is installed between the external profile and the internal profile, and the end of the external profile is provided with a docking end docking with the horizontal docking part, and the outermost side of the external profile is provided with a positioning plate extending outward, and the inner side of the end of the positioning plate is provided with a docking socket, the external profile is connected to the corner piece via a first bolt, and the internal profile is fixed to the positioning piece via a second bolt.

[0007] As a preferred technical solution of the present invention, the outer end of the positioning plate is provided with a clamping plate bent inwardly, and an installation groove is formed between the corner piece, the positioning plate and the horizontal docking part, and a sealing strip is installed in the installation groove, and the horizontal docking part is also provided with an embedding groove for the protrusion on the sealing strip to be inserted, and the sealing strip is used to seal the connection between the horizontal docking part and the docking end on the external profile.

[0008] As a preferred technical solution of the present invention, the thermal insulation profile includes two thermal insulation strips, each of the thermal insulation strips is provided with a clamping strip at both ends, and the external profile and the internal profile are provided with a clamping groove for the clamping strip to be inserted, and the outer sides of the two thermal insulation strips are provided with multiple groups of convex strips, and docking grooves are formed between the convex strips in the same group.

[0009] As a preferred technical solution of the present invention, a second filling cavity is formed between the two thermal insulation strips, and a second waterproof adhesive layer is formed in the second filling cavity, and the first waterproof adhesive layer and the second waterproof adhesive layer are both made of silicone weather-resistant adhesive.

[0010] As a preferred technical solution of the present invention, the two docking pieces are installed on the horizontal docking portion of the corner piece, and the two docking pieces are vertically arranged.

[0011] As a preferred technical solution of the present invention, vertically arranged side strips are provided on both sides of the outer end of the inner connecting profile, and transversely arranged anti-slip plates are provided on the side strips, and a clamping groove is formed between the two side strips.

[0012] As a preferred technical solution of the present invention, a reinforcing partition is provided in the middle of the corner piece, and the reinforcing partition divides the interior of the corner piece into two independent triangular cavities.

[0013] As a preferred technical solution of the present invention, a rubber strip is clamped on the inner end of the inner profile.

[0014] The beneficial effects of the present invention are:

[0015] The corner splicing structure for composite doors and windows is composed of a corner piece, two docking pieces and a positioning piece to form a main body of the corner splicing structure, wherein the docking piece, the corner piece and the positioning piece are fixed by bolts, thus ensuring that the whole has good connection strength and is not easy to fall off and separate, and a filling cavity is formed between a pair of the thermal insulation strips, and the filling cavity is filled with a first waterproof adhesive layer; wherein the thermal insulation strips play a role of thermal insulation, and a filling cavity is formed between the thermal insulation strips, and the filling cavity is filled with a first waterproof adhesive layer, so that the thermal insulation strips are connected as a whole, and have good stability and thermal insulation, and have good sealing, and are not easy to fall off and break during use, thereby improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a structural schematic diagram of a corner splicing structure for a composite door and window of the present invention;

[0019] Figure 2 It is a partial structural schematic diagram of a corner splicing structure for a composite door and window of the present invention;

[0020] Figure 3 The invention discloses a structural schematic diagram of an installation groove of a corner splicing structure for a composite door and window.

[0021] In the figure: 1. Corner piece; 2. Docking piece; 3. Insulation strip; 4. Positioning piece; 5. Transmission gear; 6. First waterproof adhesive layer; 7. External profile; 8. Internal profile; 9. Insulation profile; 10. Docking end; 11. Positioning plate; 12. Docking bayonet; 13. First bolt; 14. Second bolt; 15. Clamp; 16. Installation groove; 17. Sealing strip; 18. Embedded groove; 19. Insulation strip; 20. Raised strip; 21. Docking groove; 22. Second waterproof adhesive layer; 23. Side strip; 24. Anti-slip plate; 25. Card groove; 26. Reinforced partition; 27. Triangular cavity. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention. Figure 1 , Figure 2 , Figure 3As shown, the present invention is a corner splicing structure for composite doors and windows, comprising a corner piece 1 and two docking pieces 2, the two ends of the inclined surface of the corner piece 1 are provided with horizontal docking parts 3, the inclined surface of the corner piece 1 is installed with positioning pieces 4 through a pair of insulation strips 3, the inclined surface of the corner piece 1 and the positioning piece 4 are provided with card slots, and the two ends of the insulation strip 3 are provided with card blocks inserted into the card slots; the positioning piece 4 is also triangular, and the inclined surface of the positioning piece 4 is directly opposite to the inclined surface of the corner piece 1; a filling cavity is formed between the pair of insulation strips 3, and the filling cavity is filled with a first waterproof adhesive layer 6; through the corner piece 1, the two docking pieces 2 and the insulation strip 3, a first waterproof adhesive layer 6 is formed in the filling cavity; the ... and the positioning member 4 constitute the main body of the corner splicing structure, wherein the docking member 2 and the corner member and the positioning member are fixed by bolts, thus ensuring that the whole has good connection strength and is not easy to fall off and separate, and a filling cavity is formed between a pair of the thermal insulation strips 3, and the filling cavity is filled with a first waterproof adhesive layer 6; wherein the thermal insulation strips play a role of heat insulation, and a filling cavity is formed between the thermal insulation strips 3, and the filling cavity is filled with a first waterproof adhesive layer 6, so that the thermal insulation strips 3 are connected as a whole, and have good stability and heat insulation, and have good sealing, and are not easy to fall off and break during use, thereby improving the service life.

[0023] The docking member 2 includes an external profile 7 and an internal profile 8, a heat insulating profile 9 is installed between the external profile 7 and the internal profile 8, and the end of the external profile 9 is provided with a docking end 10 docking with the horizontal docking part 3, and the outermost side of the external profile 7 is provided with a positioning plate 11 extending outward, and the inner side of the end of the positioning plate 11 is provided with a docking bayonet 12, the external profile 7 is connected to the corner member 2 via a first bolt 13, and the internal profile 8 is fixed to the positioning member 4 via a second bolt 14.

[0024] Among them, the outer end of the positioning plate 11 is provided with a clamping plate 15 bent inwardly, and an installation groove 16 is formed between the corner piece 1, the positioning plate 11 and the horizontal docking part 3, and a sealing strip 17 is installed in the installation groove 16, and the horizontal docking part 3 is also provided with an embedding groove 18 for the protrusion on the sealing strip 17 to be inserted, and the sealing strip is used to seal the connection between the horizontal docking part 3 and the docking end 10 on the external profile 9, so that the whole has better sealing performance.

[0025] Among them, the thermal insulation profile 9 includes two thermal insulation strips 19, and each of the thermal insulation strips 19 is provided with a clamping strip at both ends, and the external profile 7 and the internal profile 8 are provided with a clamping groove for the clamping strip to be inserted, and the outer sides of the two thermal insulation strips 19 are provided with multiple groups of convex strips 20, and docking grooves 21 are formed between the convex strips 20 in the same group, which is convenient for docking with the profile at the inner end of the door and window frame, and the thermal insulation strip 19 plays a role of heat insulation.

[0026] Among them, a second filling cavity is formed between the two thermal insulation strips 19, and a second waterproof adhesive layer 22 is formed in the second filling cavity. The first waterproof adhesive layer 6 and the second waterproof adhesive layer 22 are both made of silicone weather-resistant adhesive, and the first waterproof adhesive layer 6 and the second waterproof adhesive layer 22 play a role in strengthening the overall connection effect and are not easy to fall off.

[0027] The two docking pieces 2 are installed on the horizontal docking portion 3 of the corner piece 1, and the two docking pieces 2 are vertically arranged so that they can be spliced ​​at 90 degrees.

[0028] The outer ends of the inner profile 8 are provided with vertical side strips 23 on both sides, and the side strips 23 are provided with transverse anti-slip plates 24, and a clamping groove 25 is formed between the two side strips 23, which is convenient for docking with the door and window frame profile.

[0029] A reinforcing partition 26 is provided in the middle of the corner piece 1, and the reinforcing partition 26 divides the interior of the corner piece 1 into two independent triangular cavities 27, so that the corner piece 1 has good strength and is not easy to deform. A rubber strip is clamped on the inner end of the inner profile.

[0030] When working, this kind of composite door and window corner splicing structure, the corner splicing structure body is composed of a corner piece, two docking pieces and a positioning piece, wherein the docking piece and the corner piece and the positioning piece are fixed by bolts, so as to ensure that the whole has good connection strength and is not easy to fall off and separate, and a filling cavity is formed between a pair of the thermal insulation strips, and the filling cavity is filled with a first waterproof adhesive layer; wherein the thermal insulation strips play a role of thermal insulation, and a filling cavity is formed between the thermal insulation strips, and the filling cavity is filled with a first waterproof adhesive layer, so that the thermal insulation strips are connected as a whole, and have good stability and thermal insulation, and have good sealing performance, and are not easy to fall off and break during use, thereby improving the service life; wherein the docking piece 2 includes an external profile 7 and an internal profile 8, and an insulation strip is installed between the external profile 7 and the internal profile 8 Thermal profile 9, and the end of the external profile 9 is provided with a docking end 10 docking with the horizontal docking part 3, and the outermost side of the external profile 7 is provided with a positioning plate 11 extending outward, and the inner side of the end of the positioning plate 11 is provided with a docking slot 12, the external profile 7 is connected to the corner piece 2 via a first bolt 13, and the internal profile 8 is fixed to the positioning piece 4 via a second bolt 14; the thermal insulation profile 9 includes two thermal insulation strips 19, each of the two ends of the thermal insulation strip 19 is provided with a clamping strip, and the external profile 7 and the internal profile 8 are provided with a clamping groove for the clamping strip to be inserted, and the outer sides of the two thermal insulation strips 19 are provided with multiple groups of convex strips 20, and docking grooves 21 are formed between the convex strips 20 in the same group, which is convenient for docking with the profile at the inner end of the door and window frame, wherein the thermal insulation strip 19 plays a role of heat insulation.

[0031] Among them, a second filling cavity is formed between the two thermal insulation strips 19, and a second waterproof adhesive layer 22 is formed in the second filling cavity. The first waterproof adhesive layer 6 and the second waterproof adhesive layer 22 are both made of silicone weather-resistant adhesive, and the first waterproof adhesive layer 6 and the second waterproof adhesive layer 22 play a role in strengthening the overall connection effect and are not easy to fall off.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corner splicing structure for composite doors and windows, characterized by: It comprises a corner piece (1) and two docking pieces (2), the two ends of the inclined surface of the corner piece (1) are provided with horizontal docking parts (3), the inclined surface of the corner piece (1) is installed with a positioning piece (4) via a pair of heat insulation strips (3), the inclined surface of the corner piece (1) and the positioning piece (4) are both provided with a card slot, and the two ends of the heat insulation strip (3) are provided with a card block inserted into the card slot; the positioning piece (4) is also triangular, and the inclined surface of the positioning piece (4) is directly opposite to the inclined surface of the corner piece (1); a filling cavity is formed between the pair of heat insulation strips (3), and the filling cavity is filled with a first waterproof adhesive layer (6); The docking member (2) comprises an external profile (7) and an internal profile (8), a heat insulating profile (9) is installed between the external profile (7) and the internal profile (8), and the end of the external profile (9) is provided with a docking end (10) docking with the horizontal docking portion (3), and the outermost side of the external profile (7) is provided with a positioning plate (11) extending outward, and the inner side of the end of the positioning plate (11) is provided with a docking bayonet (12), the external profile (7) is connected to the corner member (2) via a first bolt (13), and the internal profile (8) is fixed to the positioning member (4) via a second bolt (14).

2. A composite door and window corner splicing structure according to claim 1, characterized in that: The outer end of the positioning plate (11) is provided with a clamping plate (15) bent inwardly, and a mounting groove (16) is formed between the corner piece (1), the positioning plate (11) and the horizontal docking portion (3), and a sealing strip (17) is installed in the mounting groove (16), and the horizontal docking portion (3) is also provided with an embedding groove (18) for the protrusion on the sealing strip (17) to be inserted, and the sealing strip is used to seal the connection between the horizontal docking portion (3) and the docking end (10) on the external profile (9).

3. A composite door and window corner splicing structure according to claim 1, characterized in that: The thermal insulation profile (9) comprises two thermal insulation strips (19), each of the thermal insulation strips (19) is provided with a clamping strip at both ends, and the external profile (7) and the internal profile (8) are provided with a clamping groove for the clamping strip to be clamped into, and the outer sides of the two thermal insulation strips (19) are provided with a plurality of groups of convex strips (20), and the convex strips (20) in the same group form a docking groove (21).

4. A composite door and window corner splicing structure according to claim 3, characterized in that: A second filling cavity is formed between the two heat-insulating adhesive strips (19), and a second waterproof adhesive layer (22) is formed in the second filling cavity. Both the first waterproof adhesive layer (6) and the second waterproof adhesive layer (22) are made of silicone weather-resistant adhesive.

5. The composite door and window corner splicing structure according to claim 1, characterized in that: The two docking pieces (2) are installed on the horizontal docking portion (3) of the corner piece (1), and the two docking pieces (2) are arranged vertically.

6. The composite door and window corner splicing structure according to claim 1, characterized in that: Vertically arranged side strips (23) are provided on both sides of the outer end of the inner-connected profile (8), and transversely arranged anti-slip plates (24) are provided on the side strips (23), and a clamping groove (25) is formed between the two side strips (23).

7. The composite door and window corner splicing structure according to claim 1, characterized in that: A reinforcing partition (26) is provided in the middle of the corner piece (1), and the reinforcing partition (26) divides the interior of the corner piece (1) into two independent triangular cavities (27).

8. The composite door and window corner splicing structure according to claim 1, characterized in that: The inner end of the inner profile (8) is clamped with a rubber strip.

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