Auxiliary connecting piece for door and window profiles

Abstract

The utility model relates to the technical field of door and window profiles, in particular to an auxiliary connecting piece for door and window profiles, which comprises two aluminum profiles, an inner rib and an auxiliary connecting piece, wherein the end parts of the two aluminum profiles are provided with 45-degree inclined openings, and the end openings of the two aluminum profiles are vertically propped against each other; the auxiliary connecting piece is a connecting insertion pipe which is hollow inside and is of an L-shaped structure. According to the utility model, the original external auxiliary connecting piece is arranged into a built-in structure, the metal elastic sheet and the triangular locking block are arranged on the connecting insertion tube, and the inner locking groove, the limiting baffle sheet and the anti-drop insertion block are arranged on the inner side of the aluminum profile, so that the tool-free quick auxiliary fixing operation between the aluminum profiles can be realized; the workload and difficulty of actual operation of operators are effectively reduced, the auxiliary fixing efficiency and convenience of door and window profiles are improved, and meanwhile the appearance and sealing performance of assembled doors and windows are not affected by the built-in connecting pieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to door and window section bar technical field especially relates to a door and window section bar auxiliary connecting piece. BACKGROUND

[0002] Door and window aluminum section bar is a door and window frame decoration building material made of aluminum alloy, which has the advantages of good wind pressure resistance, non-combustion and is a recognized flame-retardant material. Figure 5 And Figure 6 As shown in the figure, it is an auxiliary connecting piece used in the processing of the previous generation of door and window section bars, which mainly serves to fix the two aluminum section bar end parts together at the bevel to prevent the aluminum section bar from deviating, misplacing or cracking after assembly, so as to improve the stability of the door and window structure connection and bearing after processing. However, the auxiliary connecting piece of this structure has the following disadvantages in actual use: first, the connecting piece is fixed between the outer sides of the two aluminum section bar end parts by bolts, screws or rivets, etc. When the auxiliary fixing operation of the connecting piece is performed, the operator needs to pre-treat the aluminum section bar by drilling holes (through holes, threaded holes or rivet holes), and then the operator needs to fix the connecting piece on the aluminum section bar using fasteners and tools. The whole auxiliary fixing operation has a large workload and difficulty, resulting in poor convenience and low efficiency of the auxiliary fixing of the door and window section bar; secondly, the connecting piece adopts an external structure, which on the one hand affects the appearance and corner flatness of the assembled door and window, and on the other hand easily leads to a decrease in the sealing performance of the corner of the assembled door and window.

[0003] Therefore, it is particularly important to design and manufacture an auxiliary connecting piece that can be hidden and fixed in the inner cavity of the aluminum section bar and reduce the workload and difficulty of section bar combination fixing when applied in the processing of door and window section bars. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at: in order to solve the problem of poor convenience and low efficiency of the auxiliary fixing of the previous generation of external door and window section bar auxiliary connecting piece, and the problem of affecting the appearance and performance of the assembled door and window, and proposes a door and window section bar auxiliary connecting piece.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A door and window section bar auxiliary connecting piece, comprising two aluminum section bars with 45° bevels and vertical abutments at the end ports, an inner rib fixed integrally on the inner sides of the two aluminum section bars, and an auxiliary connecting piece arranged between the end parts of the two aluminum section bars, the auxiliary connecting piece is a hollow L-shaped connecting pipe, and the connecting pipe is hidden and fixed between the end part gaps of the two aluminum section bars by a snap lock part.

[0007] As a further description of the above technical scheme:

[0008] The elastic lock part comprises metal elastic sheets symmetrically fixed at both sides of the horizontal end and the vertical end of the connecting pipe, triangular lock blocks fixed at the outermost ends of the metal elastic sheets and protruding outward to abut against the inner wall of the aluminum profile, and inner lock grooves opened at the inner side of the end of the aluminum profile and locked with the triangular lock blocks.

[0009] Further description of the above technical solution is as follows:

[0010] The horizontal end and the vertical end of the connecting pipe are both rectangular in cross section, and the outer wall of the horizontal end and the vertical end of the connecting pipe is attached to the inner wall of the aluminum profile and the inner rib.

[0011] Further description of the above technical solution is as follows:

[0012] The aluminum profile is internally provided with a limiting piece for preventing the triangular lock blocks from being forced out of the inner lock grooves.

[0013] Further description of the above technical solution is as follows:

[0014] The limiting piece comprises a limiting baffle fixed in the aluminum profile and abutting against the outermost end of the horizontal end or the vertical end of the connecting pipe, and an anti-falling plug fixed on the limiting baffle and located between the gaps of the two metal elastic sheets.

[0015] In summary, due to the adoption of the above technical solution, the present application has the following beneficial effects:

[0016] In the present application, the originally externally arranged auxiliary connecting piece is arranged in an internal structure, the metal elastic sheets and the triangular lock blocks are arranged on the connecting pipe, the inner lock grooves, the limiting baffle and the anti-falling plug are arranged on the inner side of the aluminum profile, the horizontal end and the vertical end of the connecting pipe can be directed to and slid into the gap between the aluminum profile and the inner rib, when the connecting pipe is completely inserted into the aluminum profile, the triangular lock blocks can be elastically inserted into the inner lock grooves of the aluminum profile under the action of the elastic force of the metal elastic sheets, thereby realizing the elastic lock operation between the connecting pipe and the aluminum profile. This structure can realize the tool-free and quick auxiliary fixing operation between the aluminum profiles, effectively reduces the workload and difficulty of the actual operation of the operator, improves the efficiency and convenience of the auxiliary fixing of the door and window profiles, and meanwhile, the internal connecting piece does not affect the appearance and sealing performance of the assembled door and window. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application provides a structure schematic diagram of an auxiliary connecting piece of a door and window profile;

[0018] Figure 2 The present application provides a structure schematic diagram of a connecting pipe;

[0019] Figure 3It is the structure schematic view of the aluminum profile in the utility model;

[0020] Figure 4 It is the partial section schematic view of the aluminum profile and the connecting plug pipe after being connected in the utility model;

[0021] Figure 5 It is the structure schematic view of the prior art generation door and window profile auxiliary connecting piece;

[0022] Figure 6 It is the three-dimensional exploded schematic view of the prior art generation door and window profile auxiliary connecting piece.

[0023] Legend:

[0024] 1, aluminum profile; 101, inner rib; 102, inner locking groove; 103, limiting baffle; 104, anti-drop plug block; 2, connecting plug pipe; 201, metal spring piece; 202, triangular locking block. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Please refer to Figures 1-6 , the utility model provides a technical scheme: a door and window profile auxiliary connecting piece, including two aluminum profiles 1 that are provided with 45° bevels at the end and vertically abut at the end port, inner rib 101 integrally fixed in the inner side of two aluminum profiles 1 and auxiliary connecting piece arranged between the end of two aluminum profiles 1, the auxiliary connecting piece is the connecting plug pipe 2 that is hollow inside and is L-shaped structure, the connecting plug pipe 2 is hiddenly fixed between the clearance of the end of two aluminum profiles 1 by spring locking part.

[0027] Specifically, as Figures 1-4 Indicated, spring locking part includes metal spring piece 201 fixed symmetrically at the two sides of the horizontal end and vertical end of connecting plug pipe 2, triangular locking block 202 fixed at the outermost end of metal spring piece 201 and outwardly protruding and abutting the inner wall of aluminum profile 1 and inner locking groove 102 provided at the inner side of the end of aluminum profile 1 and locked with triangular locking block 202.

[0028] Specifically, as Figure 1 , Figure 2 and Figure 4As shown, the horizontal end and vertical end of the connecting pipe 2 are both rectangular in cross section, and the outer wall of the horizontal end and vertical end of the connecting pipe 2 is in close contact with the inner wall of the aluminum profile 1 and the inner rib 101. This structure can enable the connecting pipe 2 to be stably inserted into the inner side of the aluminum profile 1, and can reduce the occurrence of stress shaking and abnormal sound of the connecting pipe 2 after being fixed between the two aluminum profiles 1.

[0029] Specifically, as shown in Figure 1 , Figure 3 and Figure 4 , the aluminum profile 1 is internally provided with a limiting piece for preventing the triangular locking block 202 from being forced out of the inner locking groove 102. The limiting piece includes a limiting baffle 103 fixed in the inner side of the aluminum profile 1 and abutting against the outermost end of the horizontal end or vertical end of the connecting pipe 2, and a anti-falling plug 104 fixed on the limiting baffle 103 and located between the gaps of the two metal springs 201. The limiting baffle 103 can limit the sliding distance of the connecting pipe 2 between the aluminum profile 1 and the inner rib 101, and prevent the connecting pipe 2 from being excessively inserted between the aluminum profile 1 and the inner rib 101. The anti-falling plug 104 can limit the inward movement of the two metal springs 201 after the triangular locking block 202 is popped out of the inner locking groove 102 of the aluminum profile 1, thereby preventing the triangular locking block 202 from being forced out of the inner locking groove 102, and improving the stability of the connecting pipe 2 after auxiliary fixing with the aluminum profile 1.

[0030] Working principle: when the auxiliary fixing operation is performed at the end bevel between the aluminum profile 1 and the aluminum profile 1, the operator can take the connecting pipe 2, align the horizontal end of the connecting pipe 2 in advance and insert it between the gap between the horizontally placed aluminum profile 1 and the inner rib 101. When the horizontal end of the connecting pipe 2 is completely inserted into the horizontally placed aluminum profile 1, the triangular locking block 202 on the horizontal end of the connecting pipe 2 can be popped outwards into the inner locking groove 102 of the horizontally placed aluminum profile 1 under the action of the metal spring 201. At this time, the connecting pipe 2 is locked inside the horizontally placed aluminum profile 1. Then take the vertically placed aluminum profile 1, align it vertically downwards and insert it into the vertical end of the connecting pipe 2. When the end bevels of the two aluminum profiles 1 abut against each other, the triangular locking block 202 on the vertical end of the connecting pipe 2 can be popped outwards into the inner locking groove 102 of the vertically placed aluminum profile 1 under the action of the metal spring 201. At this time, the connecting pipe 2 can be hidden and fixed between the two aluminum profiles 1, realizing the tool-free auxiliary fixing operation between the aluminum profiles 1.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An auxiliary connector for door and window profiles, comprising two aluminum profiles (1) with 45° beveled ends and vertically abutted at the ends, an inner rib (101) integrally fixed to the inner sides of the two aluminum profiles (1), and an auxiliary connector arranged between the ends of the two aluminum profiles (1), characterized in that: The auxiliary connecting piece is a connecting pipe (2) with a hollow interior and an L-shaped structure, and the connecting pipe (2) is hidden and fixed between the gaps at the ends of the two aluminum profiles (1) through a spring lock portion; The spring lock portion comprises a metal spring (201) symmetrically fixed on both sides of the horizontal end and the vertical end of the connecting tube (2), a triangular locking block (202) fixed on the outermost end of the metal spring (201) and protruding outward to abut against the inner wall of the aluminum profile (1), and an inner locking groove (102) provided on the inner side of the end of the aluminum profile (1) and locked with the triangular locking block (202).

2. The door and window profile auxiliary connector according to claim 1, characterized in that: The cross-sections of the horizontal and vertical ends of the connecting tube (2) are both rectangular structures, and the outer walls of the horizontal and vertical ends of the connecting tube (2) fit in contact with the inner walls of the aluminum profile (1) and the inner rib (101).

3. The door and window profile auxiliary connector according to claim 1, characterized in that: A limiting member is provided inside the aluminum profile (1) for preventing the triangular locking block (202) from falling out of the inner locking groove (102) under force.

4. The door and window profile auxiliary connector according to claim 3, characterized in that: The limiting member comprises a limiting baffle (103) fixed inside the aluminum profile (1) and abutting against the outermost end of the horizontal end or the vertical end of the connecting insert (2), and an anti-dropping plug (104) fixed on the limiting baffle (103) and located between the gaps of the two metal spring sheets (201).

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