Aluminum profile for doors and windows

Abstract

The utility model provides an aluminum profile for doors and windows, and belongs to the technical field of doors and windows. Comprising a frame set and a corner connector, the frame set comprises a vertical frame and a horizontal frame, the corner connector is arranged between the vertical frame and the horizontal frame, two first sliding grooves and two second sliding grooves are symmetrically formed in the two sides of the corner connector, first fan-shaped clamping blocks are slidably connected into the first sliding grooves, and second fan-shaped clamping blocks are slidably connected into the second sliding grooves; two sets of first inner clamping blocks are symmetrically installed on the inner walls of the two sides of the vertical frame, the two sets of first inner clamping blocks are located at the two end openings of the vertical frame correspondingly, and the first fan-shaped clamping blocks are matched with the first inner clamping blocks. The corner connectors are inserted into the vertical frame and the horizontal frame respectively, the first inner clamping block and the second inner clamping block extrude the first fan-shaped clamping block and the second fan-shaped clamping block respectively, the first fan-shaped clamping block and the second fan-shaped clamping block are separated from the first inner clamping block and the second inner clamping block respectively along with insertion of the corner connectors, and the first fan-shaped clamping block and the second fan-shaped clamping block are clamped on the first inner clamping block and the second inner clamping block respectively.

Description

Technical Field

[0001] This utility model belongs to the field of door and window technology, specifically relating to an aluminum profile for doors and windows. Background Technology

[0002] Chinese patent application number 202220800535.7 discloses an aluminum profile for doors and windows, which uses a clamp to fix the positioning plate, making it easy to assemble the entire aluminum profile frame of the window and improving the convenience of frame installation.

[0003] However, due to the lack of corner brackets, the connection between the two aluminum profiles is not very secure. Although existing aluminum profiles are connected by corner brackets, after the aluminum profiles are connected and snapped together, they are generally not immediately tightened with screws and glued in place. Other parts still need to be installed and connected. When assembling the other parts, the corner bracket connection can easily become loose. Loose aluminum profiles not only affect the installation stability of the other parts, but are also prone to deformation under external force, affecting subsequent installation and making them less practical. Utility Model Content

[0004] To address the problem of inability to secure corner bracket connections in existing technologies, this invention provides an aluminum profile for doors and windows. It employs a combination of inner clip one and fan-shaped clip one, along with inner clip two and fan-shaped clip two, to achieve the effect of fixing the corner bracket to the frame. The specific technical solution is as follows: An aluminum profile for doors and windows includes a frame assembly and corner brackets. The frame assembly includes a vertical frame and a horizontal frame. A corner bracket is provided between the vertical frame and the horizontal frame. Two sliding grooves and two... (The sentence is incomplete and requires further context to translate accurately.) The second slide groove has a fan-shaped locking block 1 slidably connected inside the first slide groove, and a fan-shaped locking block 2 slidably connected inside the second slide groove; two sets of inner locking blocks 1 are symmetrically installed on the inner walls of both sides of the vertical frame, and the two sets of inner locking blocks 1 are respectively located at the two ports of the vertical frame, and the fan-shaped locking blocks 1 are adapted to the inner locking blocks 1; two sets of inner locking blocks 2 are symmetrically installed on the inner walls of both sides of the horizontal frame, and the two sets of inner locking blocks 2 are respectively located at the two ports of the horizontal frame, and the fan-shaped locking blocks 2 are adapted to the inner locking blocks 2.

[0005] Preferably, each group of inner locking blocks has two inner locking blocks, and each inner locking block corresponds to one of the fan-shaped locking blocks; each group of inner locking blocks has two inner locking blocks, and each inner locking block corresponds to one of the fan-shaped locking blocks. A spring is welded between the fan-shaped locking block and the slide groove, and a spring is welded between the fan-shaped locking block and the slide groove.

[0006] Preferably, side frame one is welded to both ends of the vertical frame, and side frame two is welded to both ends of the horizontal frame.

[0007] Preferably, two sets of extrusion plates are symmetrically installed on the inner walls of both sides of the vertical frame. Each set of extrusion plates corresponds one-to-one with each set of inner locking blocks. Each set of extrusion plates is located inside each set of inner locking blocks. There are two extrusion plates in each set. The two extrusion plates are symmetrically and slidably connected to the inner walls of both sides of the vertical frame. The inner locking blocks are adapted to the extrusion plates.

[0008] Preferably, a connecting frame is fixedly installed between the two extrusion plates, and a connecting plate is installed at the opposite ends of the two extrusion plates. Two sliding slots are symmetrically opened on the side wall of the side frame. The sliding slots are arranged vertically, and a sliding block is slidably connected in the sliding slot. The sliding block corresponds to the connecting plate and is fixedly connected to the connecting plate. A cover is fixedly installed at the opening of the sliding slot.

[0009] Preferably, two sets of connecting blocks are symmetrically installed on the inner walls of both sides of the vertical frame. Each set of connecting blocks corresponds one-to-one with each set of extrusion plates. Each set of connecting blocks is located inside the extrusion plates. There are two connecting blocks in each set. The two connecting blocks are symmetrically and slidably connected to the inner walls of both sides of the vertical frame. A spring is welded between the connecting block and the extrusion plate. A limiting rod is sleeved inside the spring. One end of the limiting rod is fixedly installed on the connecting block. The extrusion plate is slidably sleeved on the outer wall of the limiting rod away from the connecting block.

[0010] Preferably, two sets of extrusion plates are symmetrically installed on the inner walls of both sides of the horizontal frame. Each set of extrusion plates corresponds one-to-one with each set of inner locking blocks. Each set of extrusion plates is located inside each set of inner locking blocks. There are two extrusion plates in each set. The two extrusion plates are symmetrically and slidably connected to the inner walls of both sides of the horizontal frame. The inner locking blocks are adapted to the extrusion plates.

[0011] Preferably, a connecting frame 2 is fixedly installed between the two extrusion plates 2, and a connecting plate 2 is installed at the opposite ends of the two extrusion plates 2. Two sliding slots 2 are symmetrically opened on the side wall of the side frame 2. The sliding slots 2 are arranged in the vertical direction. A sliding block 2 is slidably connected in the sliding slot 2. The sliding block 2 corresponds to the connecting plate 2 one by one. The sliding block 2 is fixedly connected to the connecting plate 2. A cover 2 is fixedly installed at the opening of the sliding slot 2.

[0012] Preferably, two sets of connecting blocks 2 are symmetrically installed on the inner walls of both sides of the horizontal frame. Each set of connecting blocks 2 corresponds one-to-one with each set of extrusion plates 2. Each set of connecting blocks 2 is located inside each set of extrusion plates 2. There are two connecting blocks 2 in each set. The two connecting blocks 2 are symmetrically and slidably connected to the inner walls of both sides of the horizontal frame. A spring 4 is welded between the connecting block 2 and the extrusion plate 2. A limiting rod 2 is sleeved inside the spring 4. One end of the limiting rod 2 is fixedly installed on the connecting block 2. The extrusion plate 2 is slidably sleeved on the outer wall of the limiting rod 2 away from the connecting block 2.

[0013] In addition, the aluminum profile for doors and windows in the above-mentioned technical solution provided by this utility model may also have the following features: two mounting holes are symmetrically opened at one end of the vertical frame opposite to the horizontal frame, two mounting holes and two injection holes are symmetrically opened at one end of the horizontal frame opposite to the vertical frame, and two threaded holes are opened on the corner bracket.

[0014] In the above technical solution, the mounting hole one and mounting hole two are adapted to the threaded hole.

[0015] The aluminum profile for doors and windows of this utility model has the following advantages compared with the prior art:

[0016] 1. The door and window use aluminum profiles. By inserting the corner brackets into the vertical and horizontal frames respectively, the inner clip 1 and inner clip 2 press the fan-shaped clip 1 and fan-shaped clip 2 respectively. As the corner brackets are inserted, the fan-shaped clip 1 and fan-shaped clip 2 separate from the inner clip 1 and inner clip 2 respectively. Under the action of spring 1 and spring 2, the fan-shaped clip 1 and fan-shaped clip 2 are locked onto the inner clip 1 and inner clip 2 respectively, thus completing the installation and fixing effect of the corner brackets to the vertical and horizontal frames.

[0017] 2. The door and window use aluminum profiles. By moving sliding block one and sliding block two, sliding block one drives extrusion plate one to move, so that extrusion plate one can engage fan-shaped block one into slide groove one, making it easy to pull one end of the corner bracket out of the vertical frame; by moving sliding block two, extrusion plate two drives extrusion plate two to engage fan-shaped block two into slide groove two, making it easy to pull the other end of the corner bracket out of the horizontal frame, which is very practical. Attached Figure Description

[0018] Figure 1 A three-dimensional structural diagram of the aluminum profile for doors and windows provided by this utility model;

[0019] Figure 2 A cross-sectional view of the vertical frame provided by this utility model;

[0020] Figure 3 A cross-sectional view of the horizontal frame provided by this utility model;

[0021] Figure 4 A schematic diagram of the structure of the corner bracket provided by this utility model;

[0022] Figure 5 A partial schematic diagram of the vertical and horizontal frames provided by this utility model;

[0023] in, Figures 1 to 5 The reference numerals and component names in the attached drawings are as follows: 1. Frame assembly; 2. Vertical frame; 3. Horizontal frame; 4. Corner bracket; 5. Side frame one; 6. Side frame two; 7. Inner locking block one; 8. Slide groove one; 9. Fan-shaped locking block one; 10. Spring one; 11. Slide groove two; 12. Fan-shaped locking block two; 13. Spring two; 14. Inner locking block two; 15. Pressing plate one; 16. Connecting frame one; 17. Connecting plate one; 18. Sliding clip. 19. Sliding block 1, 20. Cover 1, 21. Connecting block 1, 22. Limiting rod 1, 23. Spring 3, 24. Extrusion plate 2, 25. Connecting frame 2, 26. Connecting plate 2, 27. Sliding slot 2, 28. Sliding block 2, 29. Cover 2, 30. Connecting block 2, 31. Limiting rod 2, 32. Spring 4, 33. Mounting hole 1, 34. Mounting hole 2, 35. Glue injection hole. Detailed Implementation

[0024] The following are specific implementation cases and appendices. Figures 1-5 The present invention will be further described, but the present invention is not limited to these embodiments. The present invention provides a technical solution: an aluminum profile for doors and windows, including: a frame assembly 1 and a corner bracket 4. There are two frame assemblies 1, and the two frame assemblies 1 are assembled into a door and window frame. The frame assembly 1 includes: a vertical frame 2 and a horizontal frame 3. The ends of the vertical frame 2 and the horizontal frame 3 are inclined surfaces. A corner bracket 4 is provided between the vertical frame 2 and the horizontal frame 3. Two sliding grooves 11 and two sliding grooves 21 are symmetrically opened on both sides of the corner bracket 4. A fan-shaped locking block 19 is slidably connected in the sliding groove 18. The fan-shaped surface of the fan-shaped locking block 19 is arranged facing the vertical frame 2. A fan-shaped locking block 22 is slidably connected in the sliding groove 21. The fan-shaped surface of the fan-shaped locking block 22 is arranged facing the horizontal frame 3.

[0025] Two sets of inner locking blocks 7 are symmetrically installed on the inner walls of both sides of the vertical frame 2. The spacing between each set of inner locking blocks 7 is the same as the width of the corner bracket 4. The end of the inner locking block 7 near the port is an inclined surface, and the end of the inner locking block 7 away from the port is adapted to the extrusion plate 15. The two sets of inner locking blocks 7 are located at the two ports of the vertical frame 2 respectively. The fan-shaped locking block 9 is adapted to the inner locking block 7. Two sets of inner locking blocks 14 are symmetrically installed on the inner walls of both sides of the horizontal frame 3. The spacing between each set of inner locking blocks 14 is the same as the width of the corner bracket 4. The end of the inner locking block 14 near the port is an inclined surface, and the end of the inner locking block 14 away from the port is adapted to the extrusion plate 24. The two sets of inner locking blocks 14 are located at the two ports of the horizontal frame 3 respectively. The fan-shaped locking block 12 is adapted to the inner locking block 14.

[0026] As a preferred embodiment, furthermore, each group has two inner locking blocks 7, which are symmetrically installed on the inner walls of both sides of the vertical frame 2, with each inner locking block 7 corresponding to a fan-shaped locking block 9; each group also has two inner locking blocks 14, which are symmetrically installed on the inner walls of both sides of the horizontal frame 3, with each inner locking block 14 corresponding to a fan-shaped locking block 12; a spring 10 is welded between the fan-shaped locking block 9 and the slide groove 8, and a spring 13 is welded between the fan-shaped locking block 12 and the slide groove 11; the fan-shaped locking block 9 can be completely retracted into the slide groove 8, and the fan-shaped locking block 12 can be completely retracted into the slide groove 11.

[0027] As a preferred option, furthermore, side frames 1 5 are welded to both ends of the vertical frame 2, and side frames 1 5 are the same length as the vertical frame 2. Side frames 2 6 are welded to both ends of the horizontal frame 3, and side frames 2 6 are the same length as the horizontal frame 3.

[0028] As a preferred embodiment, two sets of extrusion plates 15 are symmetrically installed on the inner walls of both sides of the vertical frame 2. The middle part of the extrusion surface of the extrusion plate 15 is inclined. Each set of extrusion plates 15 corresponds one-to-one with each set of inner locking blocks 7. Each set of extrusion plates 15 is located inside each set of inner locking blocks 7. There are two extrusion plates 15 in each set. The two extrusion plates 15 are symmetrically slidably connected to the inner walls of both sides of the vertical frame 2. The inner locking blocks 7 are adapted to the extrusion plates 15.

[0029] As a preferred embodiment, a connecting frame 16 is fixedly installed between the two extrusion plates 15, and a connecting plate 17 is installed at the opposite ends of the two extrusion plates 15. Two sliding slots 18 are symmetrically opened on the side wall of the side frame 5. The sliding slots 18 are arranged vertically, and a sliding block 19 is slidably connected in the sliding slot 18. The sliding block 19 corresponds one-to-one with the connecting plate 17 and is fixedly connected to the connecting plate 17. A cover 20 is fixedly installed at the opening of the sliding slot 18 and is fixed by screws. An opening is opened at the connection between the vertical frame 2 and the side frame 5 and the connecting plate 17, and the connecting plate 17 slides in the opening.

[0030] As a preferred embodiment, two sets of connecting blocks 21 are symmetrically installed on the inner walls of both sides of the vertical frame 2. Each set of connecting blocks 21 corresponds to each set of extrusion plates 15. Each set of connecting blocks 21 is located inside the extrusion plates 15. There are two connecting blocks 21 in each set. The two connecting blocks 21 are symmetrically slidably connected to the inner walls of both sides of the vertical frame 2. A spring 23 is welded between the connecting block 21 and the extrusion plate 15. A limiting rod 22 is sleeved inside the spring 23. One end of the limiting rod 22 is fixedly installed on the connecting block 21. An extrusion plate 15 is slidably sleeved on the outer wall of the limiting rod 22 away from the connecting block 21. The limiting rod 22 is arranged along the length direction.

[0031] As a preferred embodiment, two sets of extrusion plates 24 are symmetrically installed on the inner walls of both sides of the horizontal frame 3. The middle part of the extrusion surface of the extrusion plate 24 is an inclined surface. Each set of extrusion plates 24 corresponds one-to-one with each set of inner locking blocks 14. Each set of extrusion plates 24 is located inside each set of inner locking blocks 14. There are two extrusion plates 24 in each set. The two extrusion plates 24 are symmetrically slidably connected on the inner walls of both sides of the horizontal frame 3. The inner locking blocks 14 are adapted to the extrusion plates 24.

[0032] As a preferred embodiment, a connecting frame 25 is fixedly installed between the two extrusion plates 24, and a connecting plate 26 is installed at the opposite ends of the two extrusion plates 24. Two sliding slots 27 are symmetrically opened on the side wall of the side frame 26, arranged vertically. Sliding blocks 28 are slidably connected within the sliding slots 27, corresponding one-to-one with the connecting plates 26. The sliding blocks 28 are fixedly connected to the connecting plates 26. A cover 29 is fixedly installed at the opening of the sliding slots 27, secured by screws. An opening 2 is provided at the connection between the horizontal frame 3, the side frame 26, and the connecting plate 26, allowing the connecting plate 26 to slide within the opening 2.

[0033] As a preferred embodiment, two sets of connecting blocks 30 are symmetrically installed on the inner walls of both sides of the horizontal frame 3. Each set of connecting blocks 30 corresponds one-to-one with each set of extrusion plates 24. Each set of connecting blocks 30 is located inside each set of extrusion plates 24. There are two connecting blocks 30 in each set. The two connecting blocks 30 are symmetrically and slidably connected on the inner walls of both sides of the horizontal frame 3. A spring 32 is welded between the connecting blocks 30 and the extrusion plates 24. A limiting rod 31 is sleeved inside the spring 32. One end of the limiting rod 31 is fixedly installed on the connecting block 30. The extrusion plates 24 are slidably sleeved on the outer wall of the limiting rod 31 away from the connecting block 30. The limiting rod 31 is arranged along the length direction.

[0034] As a preferred option, further, the vertical frame 2 has two symmetrical mounting holes 33 on one end opposite to the horizontal frame 3, and the horizontal frame 3 has two symmetrical mounting holes 34 and two injection holes 35 on one end opposite to the vertical frame 2. The corner bracket 4 has two threaded holes, and the mounting holes 33 and 34 correspond one-to-one with the threaded holes. The mounting holes 33 and 34 are adapted to the threaded holes.

[0035] The vertical frame, horizontal frame, mounting hole one, mounting hole two, and glue injection hole in this case are existing technologies. As long as the vertical frame, horizontal frame, mounting hole one, mounting hole two, and glue injection hole meet the requirements of this case, they are acceptable.

[0036] Working principle: All electrical components mentioned in this application are connected to an external power supply and control switch during use. After installation, first check the installation, fixation, and safety precautions of this utility model before use. During use, insert the corner brackets 4 into the vertical frame 2 and the horizontal frame 3 respectively. When one end of the corner bracket 4 is inserted into the vertical frame 2, the fan-shaped locking block 9 is compressed and retracted by the inner locking block 7, and the fan-shaped locking block 9 completely moves into the slide groove 8. As the corner bracket 4 is inserted deeper, the fan-shaped locking block 9 extends out of the inner locking block 7. Under the action of the spring 10, the fan-shaped locking block 9 rebounds, causing it to lock into the inner locking block. 1. Insert the other end of the corner bracket 4 into the horizontal frame 3. The fan-shaped locking block 2 12 is squeezed and retracted by the inner locking block 2 14. The fan-shaped locking block 2 12 moves completely into the slide groove 2 11. As the corner bracket 4 is inserted deeper, the fan-shaped locking block 2 12 extends out of the inner locking block 2 14. Under the action of the spring 2 13, the fan-shaped locking block 2 12 rebounds and locks onto the inner locking block 2 14. In this way, the connection and fixation between the vertical frame 2 and the horizontal frame 3 can be completed. After confirming that the connection between the vertical frame 2 and the horizontal frame 3 is correct, the user can screw on the screws through the mounting hole 1 33 and the mounting hole 2 34, and inject glue into the glue injection hole 35.

[0037] When there is a problem with the connection between the vertical frame 2 and the horizontal frame 3, the user opens the cover 20 and pushes the sliding block 19 downward. The sliding block 19 drives the pressing plate 15 downward through the connecting plate 17, so that the pressing plate 15 presses the fan-shaped block 9, thereby pressing the fan-shaped block 9 into the slide groove 8. Then the corner bracket 4 can be pulled out of the vertical frame 2. Similarly, the user opens the cover 29 and pushes the sliding block 28 downward. The sliding block 28 drives the pressing plate 24 downward through the connecting plate 26, so that the pressing plate 24 presses the fan-shaped block 12, thereby pressing the fan-shaped block 12 into the slide groove 11. Then the corner bracket 4 can be pulled out of the horizontal frame 3.

[0038] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0039] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An aluminum profile for doors and windows, comprising: The frame group (1) and the corner bracket (4) are characterized in that the frame group (1) includes: a vertical frame (2) and a horizontal frame (3), a corner bracket (4) is provided between the vertical frame (2) and the horizontal frame (3), and two sliding grooves (8) and two sliding grooves (11) are symmetrically opened on both sides of the corner bracket (4). A fan-shaped card block (9) is slidably connected in the sliding groove (8), and a fan-shaped card block (12) is slidably connected in the sliding groove (11). Two sets of inner locking blocks (7) are symmetrically installed on the inner walls of both sides of the vertical frame (2). The two sets of inner locking blocks (7) are located at the two ports of the vertical frame (2). The fan-shaped locking block (9) is adapted to the inner locking block (7). Two sets of inner locking blocks (14) are symmetrically installed on the inner walls of both sides of the horizontal frame (3). The two sets of inner locking blocks (14) are located at the two ports of the horizontal frame (3). The fan-shaped locking block (12) is adapted to the inner locking block (14).

2. The aluminum profile for doors and windows according to claim 1, characterized in that, The number of inner card block 1 (7) in each group is two, and the inner card block 1 (7) corresponds one-to-one with the sector card block 1 (9); the number of inner card block 2 (14) in each group is two, and the inner card block 2 (14) corresponds one-to-one with the sector card block 2 (12). A spring 1 (10) is welded between the sector card block 1 (9) and the slide groove 1 (8), and a spring 2 (13) is welded between the sector card block 2 (12) and the slide groove 2 (11).

3. The aluminum profile for doors and windows according to claim 2, characterized in that, Both ends of the vertical frame (2) are welded with side frame one (5), and both ends of the horizontal frame (3) are welded with side frame two (6).

4. The aluminum profile for doors and windows according to claim 3, characterized in that, Two sets of extrusion plates (15) are symmetrically installed on the inner walls of both sides of the vertical frame (2). Each set of extrusion plates (15) corresponds to each set of inner blocks (7). Each set of extrusion plates (15) is located inside each set of inner blocks (7). There are two sets of extrusion plates (15). The two extrusion plates (15) are symmetrically slidably connected to the inner walls of both sides of the vertical frame (2). The inner blocks (7) are adapted to the extrusion plates (15).

5. The aluminum profile for doors and windows according to claim 4, characterized in that, A connecting frame (16) is fixedly installed between the two extrusion plates (15). A connecting plate (17) is installed on the opposite ends of the two extrusion plates (15). Two sliding slots (18) are symmetrically opened on the side wall of the side frame (5). The sliding slots (18) are arranged in the vertical direction. A sliding block (19) is slidably connected in the sliding slot (18). The sliding block (19) corresponds to the connecting plate (17) one by one. The sliding block (19) is fixedly connected to the connecting plate (17). A cover (20) is fixedly installed at the opening of the sliding slot (18).

6. The aluminum profile for doors and windows according to claim 5, characterized in that, Two sets of connecting blocks (21) are symmetrically installed on the inner walls of both sides of the vertical frame (2). Each set of connecting blocks (21) corresponds to each set of extrusion plates (15). Each set of connecting blocks (21) is located inside each set of extrusion plates (15). There are two sets of connecting blocks (21). The two connecting blocks (21) are symmetrically slidably connected to the inner walls of both sides of the vertical frame (2). A spring (23) is welded between the connecting block (21) and the extrusion plate (15). A limiting rod (22) is sleeved inside the spring (23). One end of the limiting rod (22) is fixedly installed on the connecting block (21). The extrusion plate (15) is slidably sleeved on the outer wall of the limiting rod (22) away from the connecting block (21).

7. The aluminum profile for doors and windows according to claim 3, characterized in that, Two sets of extrusion plates (24) are symmetrically installed on the inner walls of both sides of the horizontal frame (3). Each set of extrusion plates (24) corresponds one-to-one with each set of inner locking blocks (14). Each set of extrusion plates (24) is located inside each set of inner locking blocks (14). There are two sets of extrusion plates (24). The two extrusion plates (24) are symmetrically slidably connected to the inner walls of both sides of the horizontal frame (3). The inner locking blocks (14) are adapted to the extrusion plates (24).

8. The aluminum profile for doors and windows according to claim 7, characterized in that, A connecting frame (25) is fixedly installed between the two extrusion plates (24). A connecting plate (26) is installed on the opposite ends of the two extrusion plates (24). Two sliding slots (27) are symmetrically opened on the side wall of the side frame (6). The sliding slots (27) are arranged in the vertical direction. A sliding block (28) is slidably connected in the sliding slot (27). The sliding block (28) corresponds one-to-one with the connecting plate (26). The sliding block (28) is fixedly connected to the connecting plate (26). A cover (29) is fixedly installed at the opening of the sliding slot (27).

9. The aluminum profile for doors and windows according to claim 8, characterized in that, Two sets of connecting blocks (30) are symmetrically installed on the inner walls of both sides of the horizontal frame (3). Each set of connecting blocks (30) corresponds one-to-one with each set of extrusion plates (24). Each set of connecting blocks (30) is located inside each set of extrusion plates (24). There are two sets of connecting blocks (30). The two connecting blocks (30) are symmetrically slidably connected to the inner walls of both sides of the horizontal frame (3). A spring (32) is welded between the connecting blocks (30) and the extrusion plates (24). A limiting rod (31) is sleeved inside the spring (32). One end of the limiting rod (31) is fixedly installed on the connecting block (30). The extrusion plates (24) are slidably sleeved on the outer wall of the limiting rod (31) away from the connecting block (30).

10. The aluminum profile for doors and windows according to claim 1, characterized in that, The vertical frame (2) has two symmetrical mounting holes (33) on one end opposite to the horizontal frame (3), and the horizontal frame (3) has two symmetrical mounting holes (34) and two glue injection holes (35) on one end opposite to the vertical frame (2). The corner bracket (4) has two threaded holes, and the mounting holes (33) and (34) are adapted to the threaded holes.

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