Improved four-in-one glue injection corner brace
The improved four-in-one glued corner bracket with a four-in-one structure solves the problems of insufficient applicability and sealing of existing corner brackets, and achieves high performance in wind pressure resistance, air tightness, water tightness and heat insulation, making it suitable for high-performance doors and windows.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN YIJIAN METAL PRODUCTS CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-05-15
AI Technical Summary
The existing corner bracket structure has poor applicability and insufficient sealing at the connection points.
The improved four-in-one glued corner bracket adopts a four-in-one structure, including a metal corner bracket, a glued main corner bracket, a glued secondary corner bracket, and a reinforced corner bracket. It achieves high-performance connection through snap-fit and glue injection processes, enhancing wind pressure resistance, air tightness, water tightness, and thermal insulation.
It achieves 100% sealing of the corner brackets, ensuring connection stability and versatility, and is suitable for high-performance doors and windows.
Smart Images

Figure CN224245188U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of corner code technology, and in particular to an improved four-in-one glue-injected corner code. Background Technology
[0002] Angle brackets are a very common type of connector, mainly used to fix two objects together at a right angle (90 degrees) or other specific angles, serving a reinforcing and supporting function. Angle brackets are widely used in many fields such as construction, furniture, and packaging. For example, in the prior art, Chinese patent document with application number 201920832618.2 discloses an example of an angle bracket.
[0003] However, due to structural defects, the above technical solution still has the following problems:
[0004] 1. Using a single-layer corner code structure only provides the material properties of that corner code and cannot increase the applicability of the corner code;
[0005] 2. Poor sealing performance; after installation, it is difficult to seal the connection points. Utility Model Content
[0006] The purpose of this utility model is to solve the shortcomings of the existing technology, such as poor applicability and limited sealing at the joint, and to propose an improved four-in-one glue injection corner bracket.
[0007] To achieve the above objectives, the present invention adopts the following technical solution:
[0008] An improved four-in-one glued corner bracket includes a metal corner bracket, and the improved four-in-one glued corner bracket further includes:
[0009] The glue-filling corner bracket assembly includes a glue-filling main corner bracket and a glue-filling secondary corner bracket. The top of the metal corner bracket is engaged with the bottom of the glue-filling main corner bracket, and the top of the glue-filling main corner bracket is engaged with the bottom of the glue-filling secondary corner bracket.
[0010] Reinforced corner brackets are attached to the top of the glued sub-corner brackets;
[0011] The installation section consists of two sets, which are integrally machined on the left side and right side of the main and secondary corner brackets for adhesive injection, respectively. This four-in-one combination ensures that the corner brackets have wind pressure resistance, air tightness, water tightness, heat insulation, and sound insulation properties after use. The metal corner bracket, main corner bracket for adhesive injection, secondary corner bracket for adhesive injection, and reinforced corner bracket, combined with the four-in-one structure, can increase the applicability of the corner brackets.
[0012] As a preferred embodiment of this utility model, the metal corner bracket and the reinforced corner bracket are similar in shape, and both the left side and the right side of the surface of the metal corner bracket and the reinforced corner bracket are provided with limiting grooves, and the inside of the limiting grooves is engaged with the surface of the mounting part.
[0013] Furthermore, the mounting part is hidden inside the limiting groove, which can enhance the connection effect.
[0014] As a preferred embodiment of this utility model, a limiting groove is provided in the middle of the limiting groove, and a snap-fit strip is integrally processed on the back of the mounting part, the surface of the snap-fit strip snaps into the inside of the limiting groove.
[0015] Furthermore, the shape of the limiting slot corresponds to the shape of the snap-fit strip, which can snap and limit the connection between the limiting slot and the snap-fit strip, making it convenient to connect and install the parts.
[0016] As a preferred embodiment of this utility model, the metal corner bracket and the reinforced corner bracket both have auxiliary openings cut out on both sides of the top center, and both have connection openings cut out on both sides of the top.
[0017] Furthermore, the auxiliary port is larger than the connection port, and the connection port is located outside the metal corner bracket and the reinforced corner bracket.
[0018] As a preferred embodiment of this utility model, both sides of the top center of the main glue-injecting code and the secondary glue-injecting code are provided with lightening openings, which correspond to the auxiliary openings.
[0019] Furthermore, reducing the weight of the main and secondary corner brackets can decrease the weight of the glued main bracket and the secondary corner bracket, while ensuring the strength of the glued main bracket and the secondary corner bracket.
[0020] As a preferred embodiment of this utility model, the edge of the light-reducing opening is integrally machined with an auxiliary ring, and the surface of the auxiliary ring is engaged with the interior of the auxiliary opening.
[0021] Furthermore, a snap-fit structure is provided between the auxiliary ring and the auxiliary port to facilitate the connection between the auxiliary ring and the auxiliary port.
[0022] As a preferred embodiment of this utility model, protrusions are provided on both sides of the bottom of the main glue injection bracket and on both sides of the top of the secondary glue injection bracket, and the surface of the protrusions engages with the interior of the connection port.
[0023] Furthermore, the bump can be inserted into the connector to connect a stable bump. Beneficial effects
[0024] 1. A unique glue injection process achieves 100% corner sealing, which is the foundation for high-performance doors and windows (such as passive windows). Through positioning pins and mechanized assembly, it ensures that every window frame is precise and square, with stable quality, eliminating the reliance on manual experience.
[0025] 2. By combining four functions into one, the overall performance of the corner code can be increased, enhancing its applicability;
[0026] In this utility model, the four-in-one combination ensures that the corner code has wind pressure resistance, air tightness, water tightness, heat insulation, and sound insulation after use. The metal corner code, glued main corner code, glued secondary corner code, and reinforced corner code, with their four-in-one structure, can increase the applicability of the corner code. Attached Figure Description
[0027] Figure 1 This is a three-dimensional view of an improved four-in-one glue-injection corner bracket proposed in this utility model;
[0028] Figure 2 A perspective view of the mounting part of an improved four-in-one glue-injection corner bracket proposed in this utility model;
[0029] Figure 3 A three-dimensional view of an improved four-in-one glue-injected corner bracket proposed in this utility model;
[0030] Figure 4 A three-dimensional view of the glued sub-corner code of an improved four-in-one glued corner code proposed in this utility model;
[0031] Figure 5 This is a three-dimensional view of an improved four-in-one glued corner bracket proposed in this utility model.
[0032] In the diagram: 1. Metal corner bracket; 2. Main corner bracket for glue injection; 3. Secondary corner bracket for glue injection; 4. Reinforced corner bracket; 5. Mounting part; 6. Limiting groove; 7. Limiting slot; 8. Connecting strip; 9. Auxiliary port; 10. Connecting port; 11. Lightening port; 12. Auxiliary ring; 13. Protrusion. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example
[0034] Reference Figure 1-5 An improved four-in-one glued corner bracket includes a metal corner bracket 1, and the improved four-in-one glued corner bracket further includes:
[0035] The glued corner bracket assembly includes a glued main corner bracket 2 and a glued secondary corner bracket 3. The top of the metal corner bracket 1 is engaged with the bottom of the glued main corner bracket 2, and the top of the glued main corner bracket 2 is engaged with the bottom of the glued secondary corner bracket 3.
[0036] Reinforced corner bracket 4 is snapped onto the top of glued sub-corner bracket 3;
[0037] The mounting part 5 has two sets, which are integrally machined on the left side and right side of the surface of the glue-injecting main corner bracket 2 and the glue-injecting secondary corner bracket 3, respectively. Through the four-in-one combination, it can be ensured that the corner bracket has wind pressure resistance, air tightness, water tightness, heat insulation, sound insulation and other properties after use. The metal corner bracket 1, glue-injecting main corner bracket 2, glue-injecting secondary corner bracket 3 and reinforced corner bracket 4 can increase the applicability of the corner bracket.
[0038] To ensure connectivity, such as Figure 3 As shown, the metal corner bracket 1 and the reinforced corner bracket 4 have similar shapes. The left side and the right side of the surface of both the metal corner bracket 1 and the reinforced corner bracket 4 are provided with limiting grooves 6. The inside of the limiting groove 6 is engaged with the surface of the mounting part 5. The mounting part 5 is hidden inside the limiting groove 6, which can increase the connection effect.
[0039] To facilitate increasing the connectivity of the structure, such as Figure 3 As shown, a limiting groove 7 is provided in the middle of the limiting groove 6, and a snap-fit strip 8 is integrally machined on the back of the mounting part 5. The surface of the snap-fit strip 8 snaps into the inside of the limiting groove 7. The shape of the limiting groove 7 corresponds to the shape of the snap-fit strip 8, which can snap and limit the limiting groove 7 and the snap-fit strip 8, making it convenient to connect the mounting part 5.
[0040] To reduce the amount of material used in metal corner bracket 1 and reinforced corner bracket 4, and to reduce weight, such as Figure 3 As shown, auxiliary openings 9 are cut out on both sides of the top center of metal corner bracket 1 and reinforced corner bracket 4, and connecting openings 10 are cut out on both sides of the top of metal corner bracket 1 and reinforced corner bracket 4. The size of the auxiliary openings 9 is larger than that of the connecting openings 10, and the connecting openings 10 are located on the outside of metal corner bracket 1 and reinforced corner bracket 4.
[0041] To reduce the weight of the main glued bracket 2 and the secondary glued bracket 3, such as Figure 2 As shown, both sides of the top center of the main glue-injecting bracket 2 and the secondary glue-injecting bracket 3 are hollowed out with light-reducing openings 11. The light-reducing openings 11 correspond to the auxiliary openings 9. The light-reducing openings 11 can reduce the weight of the main glue-injecting bracket 2 and the secondary glue-injecting bracket 3, and ensure the strength of the main glue-injecting bracket 2 and the secondary glue-injecting bracket 3.
[0042] To increase the stability of metal corner bracket 1, glued main corner bracket 2, glued secondary corner bracket 3, and reinforced corner bracket 4, such as Figure 4 As shown, an auxiliary ring 12 is integrally machined on the edge of the auxiliary opening 9. The surface of the auxiliary ring 12 is snapped into the interior of the auxiliary opening 9. A snap-fit structure is provided between the auxiliary ring 12 and the auxiliary opening 9 to facilitate the connection between the auxiliary ring 12 and the auxiliary opening 9.
[0043] To connect the metal corner bracket 1, the glued main corner bracket 2, the glued secondary corner bracket 3, and the reinforced corner bracket 4, as follows: Figure 4As shown, protrusions 13 are provided on both sides of the bottom of the main glue injection bracket 2 and on both sides of the top of the secondary glue injection bracket 3. The surface of the protrusion 13 engages with the inside of the connection port 10. The protrusion 13 is inserted into the connection port 10, which can stably connect the protrusion 13.
[0044] The working principle of this utility model is as follows: the metal corner bracket 1, the glue-injecting main corner bracket 2, the glue-injecting secondary corner bracket 3, and the reinforcing corner bracket 4 can be stacked and snapped together. The mounting part 5 and the limiting groove 6 are used to connect the metal corner bracket 1, the glue-injecting main corner bracket 2, the glue-injecting secondary corner bracket 3, and the reinforcing corner bracket 4. The limiting groove 7 and the snap-fit strip 8 can be snapped together and fixed.
[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An improved four-in-one glued corner code, comprising a metal corner code (1), characterized in that, This improved four-in-one glue-injection corner bracket also includes: The glued corner bracket assembly includes a glued main corner bracket (2) and a glued secondary corner bracket (3). The top of the metal corner bracket (1) is engaged with the bottom of the glued main corner bracket (2), and the top of the glued main corner bracket (2) is engaged with the bottom of the glued secondary corner bracket (3). Reinforced corner bracket (4), which is snapped onto the top of the glued sub-corner bracket (3); The mounting part (5) is provided in two sets. The two sets of mounting parts (5) are integrally machined on the left side and the right side of the surface of the glue injection main bracket (2) and the glue injection secondary bracket (3).
2. The improved four-in-one glue-filled corner bracket according to claim 1, characterized in that, The metal corner bracket (1) and the reinforced corner bracket (4) have similar shapes. Limiting grooves (6) are provided on the left side and the right side of the surface of both the metal corner bracket (1) and the reinforced corner bracket (4). The inside of the limiting groove (6) is engaged with the surface of the mounting part (5).
3. The improved four-in-one glued corner bracket according to claim 2, characterized in that, The limiting groove (6) has a limiting slot (7) in the middle, and the back of the mounting part (5) is integrally machined with a snap-fit strip (8), the surface of the snap-fit strip (8) snaps into the inside of the limiting slot (7).
4. The improved four-in-one glued corner bracket according to claim 1, characterized in that, The metal corner bracket (1) and the reinforced corner bracket (4) have auxiliary openings (9) on both sides of the top center, and the metal corner bracket (1) and the reinforced corner bracket (4) have connection openings (10) on both sides of the top.
5. An improved four-in-one glue-filled corner bracket according to claim 4, characterized in that, Both sides of the top center of the glue-injecting main code (2) and the glue-injecting secondary code (3) are hollowed out with relief openings (11), and the relief openings (11) correspond to the auxiliary openings (9).
6. An improved four-in-one glued corner bracket according to claim 5, characterized in that, An auxiliary ring (12) is integrally machined on the edge of the light-reducing opening (9), and the surface of the auxiliary ring (12) is engaged with the interior of the auxiliary opening (9).
7. An improved four-in-one glued corner bracket according to claim 4, characterized in that, Both sides of the bottom of the main glue injection bracket (2) and both sides of the top of the secondary glue injection bracket (3) are provided with protrusions (13), and the surface of the protrusions (13) is engaged with the inside of the connection port (10).