System door and window body expansion glue corner code

CN224859437UActive Publication Date: 2026-10-16RENQIU YUNYUN METAL PRODUCTS FACTORY
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Patent Information

Application Number
CN202522433509.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-10-16
Estimated Expiration
2035-11-17

AI Technical Summary

Technical Problem

[0002]角码为铝合金门窗上应用的配件,主要用于两个铝合金型材在拐角处的连接,角码通常为铝合金材质,铝合金角码有着稳定性好、耐候性强、不易变形、使用寿命长等多种优点,在装饰工程和家具安装中有着广泛的应用,目前,市面上常见的一种膨胀角码,其主要包括两个截面形状相同的角码基块,两角码基块拼接成一个角码本体,角码基块上在其两个边框处分别设置有螺孔,螺孔内螺接有自攻螺钉,角码基块内在对应螺孔内侧位置处还设置有连接块,组装时,需要拧动自攻螺钉螺紧在连接块上,其中,自攻螺钉端部的螺杆头呈上宽下窄的缩口结构,随着螺杆头不断地进入到螺孔内,螺杆头会撑开两侧角码基块,从而使两角码基块之间的间隙变大,这样便可以控制角码本体与型材框架紧固的插接,但是这种角码,由于其自攻螺钉分别设置在角码基块靠近其两个端部的位置,因此螺杆头在撑开两角码基块时,撑开的间隙不够均匀,并且角码基块处于拼接结构,两侧基块膨胀时,也极易发生微小的错位,这些都影响着角码的整体性能,进而影响整个门窗的稳定‌‌‌

Benefits of technology

[0014] The above-mentioned technical solution of this utility model has the following beneficial effects: By setting an inner frame and setting holes for installing self-tapping screws on the inner frame, the traditional connecting block arrangement can be eliminated, which can greatly improve the assembly efficiency of the corner bracket. In addition, the protruding ribs on the inner frame can fix the corner bracket base blocks on both sides, so that the corner bracket base blocks on both sides can maintain their position when expanding and moving, thereby ensuring the stability of the entire corner bracket.

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Abstract

The utility model discloses a system door and window whole body expansion glue angle code, including inner framework and the angle code base block of setting in the both sides of inner framework, the angle code base block and inner framework each other assemble and form angle code body, and the inner framework is provided with the insertion hole at two end parts, and the insertion hole is provided with the self -tapping screw for making the both sides angle code base block outward expansion, the aperture of insertion hole is less than the rod diameter of self -tapping screw. The utility model discloses a setting inner framework, and sets up the insertion hole for installing self -tapping screw on the inner framework, so can dispense with the arrangement of traditional connecting block, so can greatly improve the assembly efficiency of angle code, and the setting of the convex ridge on the inner framework can play the retaining effect to the both sides angle code base block, makes the both sides angle code base block when expanding movement, can keep the stable position, and then guarantees the stability of whole angle code.
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Description

Technical Field

[0001] This utility model relates to the field of corner code technology, specifically to a system of full-body expansion glue injection corner codes for doors and windows. Background Technology

[0002] Corner brackets are accessories used on aluminum alloy doors and windows, mainly for connecting two aluminum alloy profiles at corners. Corner brackets are typically made of aluminum alloy, which offers advantages such as good stability, strong weather resistance, resistance to deformation, and long service life. They are widely used in decoration projects and furniture installation. Currently, a common type of expansion corner bracket on the market mainly consists of two corner bracket base blocks with identical cross-sectional shapes. These two base blocks are spliced ​​together to form a corner bracket body. Each base block has screw holes on its two edges, into which self-tapping screws are screwed. Connecting blocks are also located inside the corner bracket base blocks at the corresponding screw holes. During assembly, the self-tapping screws need to be tightened. On the connecting block, the screw head at the end of the self-tapping screw has a constricted structure that is wider at the top and narrower at the bottom. As the screw head continuously enters the screw hole, it expands the two corner bracket base blocks, thereby increasing the gap between the two corner bracket base blocks. This allows for control over the tight insertion of the corner bracket body and the profile frame. However, because the self-tapping screws of this type of corner bracket are located near the two ends of the corner bracket base blocks, the gap opened by the screw head is not uniform. Furthermore, since the corner bracket base blocks are in a spliced ​​structure, slight misalignment can easily occur when the two base blocks expand. All of these factors affect the overall performance of the corner bracket, and consequently, the stability of the entire door and window. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of the existing technology by providing a system door and window expansion glue injection corner code to solve the aforementioned technical problems.

[0004] The present invention adopts the following technical solution: a system door and window full-body expansion glue injection corner bracket, including an inner frame and corner bracket base blocks disposed on both sides of the inner frame. The corner bracket base blocks and the inner frame are assembled together to form a corner bracket body. The inner frame is provided with insertion holes at both ends. Self-tapping screws for expanding the corner bracket base blocks on both sides are provided at the insertion holes. The diameter of the insertion hole is smaller than the diameter of the self-tapping screw.

[0005] The inner frame is adapted to the cross-sectional shape of the corner bracket base block. Both the inner frame and the corner bracket base block are provided with weight reduction holes. The size of the weight reduction hole in the inner frame is smaller than that in the corner bracket base block. The inner frame has raised ribs on both sides at the positions corresponding to the outer edge of its weight reduction hole. The weight reduction hole of the corner bracket base block is inserted into the outside of the raised ribs.

[0006] The inner frame has adjustment notches on both sides at positions corresponding to the insertion holes.

[0007] Furthermore, both the inner frame and the corner bracket base are L-shaped, and the weight-reducing holes are respectively transversely penetrating the two end rods of the inner frame and the corner bracket base. The insertion holes are longitudinally located near the ends of the two end rods of the inner frame, and the insertion holes avoid the arrangement of the weight-reducing holes.

[0008] Furthermore, the inner frame and the corner bracket base block are provided with notches at the ends of their respective end rods. The corner bracket base block is also provided with an inner groove at its end notch. A connecting rib is provided between the inner groove on the corner bracket base block and the weight reduction hole. The connecting ribs on the two side corner bracket base blocks are respectively provided at the positions corresponding to the adjustment notches.

[0009] Furthermore, the side of the protruding rib on the inner frame abuts against one side of the adjustment notch, and a protruding head is provided on the inner frame at the position corresponding to the other side of the adjustment notch. The connecting rib is clamped between the side of the protruding rib and the protruding head, and the protruding head is inserted into the inner groove.

[0010] Furthermore, the inner frame has mounting wings on its outer edge at positions corresponding to the insertion holes, and the mounting wings extend to the corner bracket bases on both sides. The outer edge of the corner bracket bases has slots that are adapted to the mounting wings.

[0011] Furthermore, the corner code base block has a first filling groove on the side away from the inner frame, and the two weight reduction holes on the same corner code base block form an included angle ridge at their included angle, and the first filling groove is arranged along the included angle ridge.

[0012] Furthermore, a second filling groove is provided on the corner code base block at its inner included angle, and the first filling groove and the second filling groove are interconnected.

[0013] Furthermore, the inner frame is provided with a third filling groove at its inner corner position, and the third filling groove is connected to the second filling groove.

[0014] The above-mentioned technical solution of this utility model has the following beneficial effects: By setting an inner frame and setting holes for installing self-tapping screws on the inner frame, the traditional connecting block arrangement can be eliminated, which can greatly improve the assembly efficiency of the corner bracket. In addition, the protruding ribs on the inner frame can fix the corner bracket base blocks on both sides, so that the corner bracket base blocks on both sides can maintain their position when expanding and moving, thereby ensuring the stability of the entire corner bracket. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0016] Figure 1 This is a three-dimensional structural diagram of the upper part of an embodiment of the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of the bottom view of an embodiment of the present invention;

[0018] Figure 3 This is a schematic diagram of the exploded structure of an embodiment of the present invention. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0021] like Figure 1-3 As shown, this utility model embodiment provides a system door and window full-body expansion glue injection corner bracket, including an inner frame 1 and corner bracket base blocks 2 disposed on both sides of the inner frame 1. The corner bracket base blocks 2 and the inner frame 1 are assembled together to form the corner bracket body. The inner frame 1 is provided with insertion holes 3 at its two ends. Self-tapping screws (not shown in the figure) are provided at the insertion holes 3 to allow the corner bracket base blocks 2 on both sides to expand outward. The diameter of the insertion hole 3 is smaller than the diameter of the self-tapping screw.

[0022] The corner bracket body is made of die-cast aluminum alloy, which ensures that its included angle is a standard 90°.

[0023] The cross-sectional shape of the inner frame 1 and the corner bracket base 2 are adapted to each other. Both the inner frame 1 and the corner bracket base 2 are provided with weight reduction holes 4. The size of the weight reduction hole 4 of the inner frame 1 is smaller than that of the weight reduction hole 4 of the corner bracket base 2. The two sides of the inner frame 1 are provided with protruding ribs 5 at the positions corresponding to the outer edge of its weight reduction hole 4. The weight reduction hole 4 of the corner bracket base 2 is inserted into the outside of the protruding rib 5.

[0024] The inner frame 1 has adjustment notches 6 on both sides at the corresponding positions of the insertion holes 3. As the self-tapping screw is screwed in, the screw rod will enter the position of the adjustment notch 6 in the insertion hole 3. The screw rod will protrude into the adjustment notch 6. In this way, the part of the self-tapping screw protruding from the adjustment notch 6 will contact the corner bracket base blocks 2 on both sides and move outward against the corner bracket base blocks 2 on both sides, thereby realizing the expansion of the corner bracket base blocks 2.

[0025] Both the inner frame 1 and the corner bracket base 2 are L-shaped. The weight reduction holes 4 are respectively transversely penetrating the two end rods of the inner frame 1 and the corner bracket base 2. The insertion holes 3 are longitudinally located near the ends of the two end rods of the inner frame 1, and the insertion holes 3 avoid the arrangement of the weight reduction holes 4.

[0026] The inner frame 1 and the corner bracket base block 2 are provided with notches 7 at the ends of their respective end rods. The corner bracket base block 2 is also provided with an inner groove 8 at the notch 7 at its end. A connecting rib 9 is provided between the inner groove 8 on the corner bracket base block 2 and the weight reduction hole 4. The connecting ribs 9 on both sides of the corner bracket base block 2 are respectively located at the corresponding adjustment notches 6. When the self-tapping screw is screwed in, its screw will extend out at the adjustment notch 6 and contact the connecting rib 9, thereby abutting against the connecting rib 9 and causing the corner bracket base block 2 to move.

[0027] The side of the protruding rib 5 on the inner frame 1 is attached to one side of the adjustment notch 6. A protruding head 10 is provided on the inner frame 1 at the position corresponding to the other side of the adjustment notch 6. The connecting rib 9 is clamped between the side of the protruding rib 5 and the protruding head 10. The protruding head 10 is inserted into the inner groove 8.

[0028] The inner frame 1 has mounting wings 11 at the corresponding insertion holes 3 on its outer edge. The mounting wings 11 extend to the corner bracket bases 2 on both sides. The outer edge of the corner bracket bases 2 has slots 12 that are adapted to the mounting wings 11.

[0029] The corner bracket base 2 has a first filling groove 13 on the side away from the inner frame 1. The two weight reduction holes 4 on the same corner bracket base 2 form an included angle ridge at their included angle, and the first filling groove 13 is arranged along the included angle ridge.

[0030] A second filling groove 14 is provided on the corner base block 2 at the position of its inner corner, and the first filling groove 13 and the second filling groove 14 are connected to each other.

[0031] The inner frame 1 has a third filling groove 15 at its inner corner position, and the third filling groove 15 is connected to the second filling groove 15.

[0032] During assembly, the two corner bracket base blocks 2 are first installed on both sides of the inner frame 1. The weight-reducing holes 4 on the corner bracket base blocks 2 are inserted into the protruding ribs 5 on both sides of the inner frame 1. This ensures that the two corner bracket base blocks 2 are stably spliced ​​with the inner frame 1. Then, the assembled corner brackets are placed at the end corners of the door and window profile frame. Then, self-tapping screws are screwed into the door and window profile. The screws pass through the profile and are inserted along the insertion holes 3. As the self-tapping screws are inserted, they will expand outward against the corner bracket base blocks 2 on both sides, thereby making the corner bracket base blocks 2 fit tightly against the inner wall of the profile frame, thus improving the stability of the entire profile. The self-tapping screws fix the profile and the corner brackets. Finally, glue is injected along the end corners of the door and window profiles. The injected glue flows and fills along the first filling groove 13, the second filling groove 14 and the third filling groove 15, thereby ensuring the sealing of the corner brackets and the profiles.

[0033] The bidirectional through-body expansion glue injection corner bracket of this utility model significantly improves the 45° angle docking of system doors and windows and the flatness of the corners of doors and windows, reduces various uncertainties in the current door and window docking work, and improves assembly efficiency.

[0034] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A system of door and window expansion joints with glue injection, characterized in that: It includes an inner frame and corner bracket base blocks disposed on both sides of the inner frame. The corner bracket base blocks and the inner frame are assembled together to form a corner bracket body. The inner frame is provided with insertion holes at both ends. Self-tapping screws for expanding the corner bracket base blocks on both sides outward are provided at the insertion holes. The diameter of the insertion hole is smaller than the diameter of the self-tapping screw. The inner frame is adapted to the cross-sectional shape of the corner bracket base block. Both the inner frame and the corner bracket base block are provided with weight reduction holes. The size of the weight reduction hole in the inner frame is smaller than that in the corner bracket base block. The inner frame has raised ribs on both sides at the positions corresponding to the outer edge of its weight reduction hole. The weight reduction hole of the corner bracket base block is inserted into the outside of the raised ribs. The inner frame has adjustment notches on both sides at positions corresponding to the insertion holes.

2. The system door and window expansion joint bracket according to claim 1, characterized in that: Both the inner frame and the corner bracket base are L-shaped. The weight reduction holes are respectively transversely penetrating the two end rods of the inner frame and the corner bracket base. The insertion holes are longitudinally located near the ends of the two end rods of the inner frame, avoiding the arrangement of the weight reduction holes.

3. The system door and window expansion joint bracket according to claim 2, characterized in that: The inner frame and the corner bracket base block are provided with notches at the ends of their respective end rods. The corner bracket base block is also provided with an inner groove at its end notch. A connecting rib is provided between the inner groove on the corner bracket base block and the weight reduction hole. The connecting ribs on the two side corner bracket base blocks are respectively provided at the positions corresponding to the adjustment notches.

4. The system door and window expansion joint bracket according to claim 3, characterized in that: The side of the protruding rib on the inner frame abuts against one side of the adjustment notch, and a protruding head is provided on the inner frame at the position corresponding to the other side of the adjustment notch. The connecting rib is clamped between the side of the protruding rib and the protruding head, and the protruding head is inserted into the inner groove.

5. The system door and window expansion joint bracket according to claim 4, characterized in that: The inner frame has mounting wings on its outer edge at positions corresponding to the insertion holes. The mounting wings extend to the corner bracket bases on both sides, and the outer edge of the corner bracket bases has slots that are adapted to the mounting wings.

6. The system door and window expansion joint bracket according to claim 2, characterized in that: The corner code base block has a first filling groove on the side away from the inner frame, and two weight reduction holes on the same corner code base block form an included angle ridge at their included angle, and the first filling groove is arranged along the included angle ridge.

7. The system door and window expansion joint bracket according to claim 6, characterized in that: The corner code base block has a second filling groove at its inner corner position, and the first filling groove and the second filling groove are interconnected.

8. The system door and window expansion joint bracket according to claim 7, characterized in that: The inner frame has a third filling groove at its inner corner, and the third filling groove is connected to the second filling groove.