Corner connector for doors and windows

Abstract

The utility model provides a corner connector for doors and windows, belonging to the technical field of doors and windows; comprising: a connecting plate 1 and a connecting plate 2, wherein the connecting plate 1 is rotatably connected to the connecting plate 2, an anti-collision pad is connected to the outer wall on the same side of the connecting plate 1 and the connecting plate 2, two clamps are slidably connected to the outer wall on the side of the connecting plate 1 away from the anti-collision pad, and two folding plates are slidably connected to the outer wall on the side of the connecting plate 2 away from the anti-collision pad, two pushing components 1 are symmetrically arranged inside the connecting plate 1, the clamps correspond to the pushing components one by one, and a plurality of resilient components 1 are equidistantly connected between the two clamps. The corner connector for doors and windows is configured to place the clamps and the folding plates in the narrowest state by pushing the pushing components 1 and 2, and insert the clamps and the folding plates into the corresponding inner corner grooves of the doors and windows, and then rotate the rotating rods 1 and 2, so that the resilient components 1 and 2 respectively drive the clamps and the folding plates to move back.

Description

Technical Field

[0001] The utility model belongs to the technical field of doors and windows, and in particular relates to a corner connector for doors and windows. Background Art

[0002] Application No. 202322035693.5 provides a corner connector for doors and windows. Through the arrangement of electromagnet 1 and electromagnet 2, electromagnet 1 and electromagnet 2 can offset the suction force between the clamping plates at both ends of the corner connector and the pulling force of the spring on the two ends of the corner connector when energized, so that the two ends of the corner connector can be automatically separated before being fixed to the door and window, so that the corner connector and the door and window can be closely fitted together; and when electromagnet 1 and electromagnet 2 are powered off, the rebound force of the spring and the suction force between the clamping plates at both ends of the corner connector make the clamping plates fit tightly with the door and window; through the arrangement of the connecting block and the bolt, the angle between the rotating plate 1 and the rotating plate 2 can be adjusted according to demand, thereby improving the adaptability of the corner connector; through the arrangement of the spring, the distance between the two clamping plates can be adjusted according to demand, so that the corner connector can adapt to doors and windows of various thicknesses;

[0003] When in use, the device can only be set at the outer corners of doors and windows. However, when the doors and windows are open, the inner corners of the doors and windows are more likely to cause bumps, causing accidental injuries to users. It is also easy to cause damage and deformation to the inner corners of the doors and windows, resulting in reduced quality and reduced service life of the doors and windows. The existing inner corner protective parts are only stuck in the inner corner grooves by rubber blocks, but cannot be installed on doors and windows of different sizes. When the protective parts are not suitable for the door and window sizes, they are easy to fall off the doors and windows, and are less practical. Utility Model Content

[0004] In order to solve the problem that the inner corner protection parts existing in the above-mentioned prior art are not suitable for different doors and windows, the utility model provides a corner connector for doors and windows, which adopts a pushing component one and a pushing component two in combination with a rebound component one and a rebound component two to achieve the effect of being suitable for door and window slots of different sizes. Its specific technical scheme is: a corner connector for doors and windows, comprising: a connecting plate one and a connecting plate two, the connecting plate one is rotatably connected to the connecting plate two, an anti-collision pad is connected to the outer wall on the same side of the connecting plate one and the connecting plate two, two clamping plates are slidably connected to the outer wall on the side of the connecting plate one away from the anti-collision pad, and two folding plates are slidably connected to the outer wall on the side of the connecting plate two away from the anti-collision pad, two pushing components one are symmetrically arranged inside the connecting plate one, the clamping plates correspond to the pushing components one by one, and a plurality of rebound components one are equidistantly connected between the two clamping plates; two pushing components two are symmetrically arranged inside the connecting plate two, the folding plates correspond to the pushing components two one by one, and a plurality of rebound components two are equidistantly connected between the two folding plates.

[0005] Preferably, a sliding groove 1 is provided on the outer wall of the connecting plate 1 on the side away from the anti-collision pad, and two sliders 1 are slidably connected in the sliding groove 1, and the sliders 1 correspond to the card plate one by one, and the sliders 1 are connected to the card plate; a sliding groove 2 is provided on the outer wall of the connecting plate 2 on the side away from the anti-collision pad, and two sliders 2 are slidably connected in the sliding groove 2, and the sliders 2 correspond to the folding plates one by one, and the sliders 2 are connected to the folding plates.

[0006] Preferably, the pushing component 1 includes: a connecting groove 1, a pushing block 1, a communicating groove 1 and a rotating rod 1. A connecting groove 1 is provided on the inner walls on both sides of the sliding groove 1. Two communicating grooves 1 are symmetrically provided on the two side walls of the connecting plate 1. The connecting groove 1 is connected with the communicating groove 1. A pushing block 1 is slidably connected in the connecting groove 1, and the pushing block 1 is connected to the sliding block 1. A rotating groove 1 is provided at one end of the pushing block 1 away from the sliding block 1. A rotating rod 1 is rotatably connected in the rotating groove 1, and the rotating rod 1 is slidably connected in the communicating groove 1.

[0007] Preferably, a straight groove is provided on the inner wall of the connecting groove one, and an arc groove is connected to the end of the straight groove one away from the sliding block one, and a clamping groove is provided on the end of the arc groove one away from the straight groove one, and a side block is connected to the outer wall of the rotating rod one, and the side block is slidably connected between the straight groove one, the arc groove one and the clamping groove one; a groove is provided on the inner wall of the connecting groove one, and the groove one is communicated with the side wall of the connecting plate one, and an arc groove two is provided on the side of the groove one close to the pushing block one, and a clamping block one is connected to the outer wall of the rotating rod one, and the clamping block one is adapted to the groove one and the arc groove two; one end of the rotating rod one away from the pushing block one extends out of the connecting groove one and is connected to a dial plate one.

[0008] Preferably, the second pushing component includes: a second connecting groove, a second pushing block, a second communicating groove and a second rotating rod. A second connecting groove is provided on the inner walls on both sides of the second sliding groove. Two communicating grooves are symmetrically provided on the two side walls of the second connecting plate. The second connecting groove is connected to the second communicating groove. A second pushing block is slidably connected in the second connecting groove, and the second pushing block is connected to the second sliding block. A second rotating groove is provided at one end of the second pushing block away from the second sliding block. A second rotating rod is rotatably connected in the second rotating groove, and the second rotating rod is slidably connected in the second communicating groove.

[0009] Preferably, a straight groove 2 is provided on the inner wall of the connecting groove 2, and an arc groove 3 is connected to the end of the straight groove 2 away from the sliding block 2, and a clamping groove 2 is provided on the end of the arc groove 3 away from the straight groove 2, and a side block 2 is connected to the outer wall of the rotating rod 2, and the side block 2 is slidably connected between the straight groove 2, the arc groove 3 and the clamping groove 2; a slot 2 is provided on the inner wall of the connecting groove 2, and the slot 2 is communicated with the side wall of the connecting plate 2, and an arc groove 4 is provided on the side of the slot 2 close to the pushing block 2, and a clamping block 2 is connected to the outer wall of the rotating rod 2, and the clamping block 2 is adapted to the slot 2 and the arc groove 4; one end of the rotating rod 2 away from the pushing block 2 extends out of the connecting groove 2 and is connected to a dial plate 2.

[0010] Preferably, rubber pads 1 are installed at opposite ends of the two clamping plates, and rubber pads 2 are installed at opposite ends of the two folding plates.

[0011] Preferably, the rebound member 1 includes: a connecting block 1 and an inner slider 1, the outer walls of the two clamps are respectively connected to the connecting block 1 and the inner slider 1, the connecting block 1 is provided with a side groove 1 at one end close to the inner slider 1, the inner slider 1 is slidably connected in the side groove 1, and a spring 1 is connected between the inner slider 1 and the inner wall of the side groove 1.

[0012] In addition, the corner connector for doors and windows in the above-mentioned technical solution provided by the utility model may also have the following additional technical features: the second rebound component includes: a connecting block and an inner sliding block, and the outer walls of the two folding plates are respectively connected with a connecting block and an inner sliding block, and a side groove 2 is opened at one end of the connecting block close to the inner sliding block, and the inner sliding block 2 is slidably connected in the side groove 2.

[0013] In the above technical solution, a second spring is connected between the second inner slide block and the inner wall of the second side groove.

[0014] Compared with the prior art, the corner connector for doors and windows of the utility model has the following beneficial effects: the corner connector for doors and windows, by pushing components one and two, places the card plate and the folding plate in the narrowest state, and inserts the card plate and the folding plate into the corresponding inner corner grooves of the doors and windows, and then rotates the rotating rods one and two, so that the rebound components one and two respectively drive the card plate and the folding plate to move back and get stuck in the corresponding inner corner grooves of the doors and windows, thereby facilitating the installation of anti-collision pads for doors and windows of different sizes, protecting the user's installation, and increasing the service life of the doors and windows, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure of the corner connector for doors and windows provided by the utility model;

[0016] Figure 2A cross-sectional schematic diagram of a connecting plate 1 provided by the utility model;

[0017] Figure 3 for Figure 2 A magnified image of point A;

[0018] Figure 4 A cross-sectional schematic diagram of a slider 1 provided by the utility model;

[0019] Figure 5 A cross-sectional schematic diagram of the connecting plate 2 provided by the utility model;

[0020] Figure 6 for Figure 5 A magnified view of point B;

[0021] Figure 7 A cross-sectional schematic diagram of a slider 2 provided by the utility model;

[0022] in, Figures 1 to 7 The reference numerals and component names are: 1, connecting plate 1, 2, connecting plate 2, 3, slide groove 1, 4, slider 1, 5, clamping plate, 6, pushing component 1, 7, slide groove 2, 8, slider 2, 9, folding plate, 10, pushing component 2, 11, anti-collision pad, 12, rebound member 1, 13, rebound member 2, 14, straight groove 1, 15, arc groove 1, 16, clamping groove 1, 17, side block 1, 18, clamping block 1, 19, slot 1, 20, arc groove 2, 21, dial plate 1, 22, straight groove 2, 23, arc groove 3, 24, clamping groove 2, 25, side block 2, 26 , card block two, 27, slot two, 28, arc groove four, 29, dial plate two, 51, rubber pad one, 61, connecting groove one, 62, push block one, 63, rotating groove one, 64, connecting groove one, 65, rotating rod one, 91, rubber pad two, 101, connecting groove two, 102, push block two, 103, rotating groove two, 104, connecting groove two, 105, rotating rod two, 121, connecting block one, 122, side groove one, 123, inner slider one, 124, spring one, 131, connecting block two, 132, side groove two, 133, inner slider two, 134, spring two. DETAILED DESCRIPTION

[0023] The following is a combination of specific implementation cases and attached Figure 1-Figure 7The utility model is further described, but the utility model is not limited to these embodiments. The utility model provides a technical solution: a corner connector for doors and windows, including: a connecting plate 1 and a connecting plate 2, the connecting plate 1 is rotatably connected to the connecting plate 2, the connecting plate 1 and the connecting plate 2 are connected to an anti-collision pad 11 on the same side of the outer wall, the anti-collision pad 11 is made of elastic rubber material, and two card plates 5 are slidably connected to the outer wall of the connecting plate 1 away from the anti-collision pad 11, and the connecting plate 2 2 is away from the anti-collision pad 11. Two folding plates 9 are slidably connected to the outer wall on one side, the sizes of the card plates 5 and the folding plates 9 are adapted to the inner corner grooves of common doors and windows, two pushing components 6 are symmetrically arranged inside the connecting plate 1, the card plates 5 and the pushing components 6 correspond one to one, and at least two rebound components 12 are equidistantly connected between the two card plates 5; two pushing components 2 10 are symmetrically arranged inside the connecting plate 2, the folding plates 9 and the pushing components 2 10 correspond one to one, and at least two rebound components 2 13 are equidistantly connected between the two folding plates 9.

[0024] As a preferred solution, further, a sliding groove 3 is opened on the outer wall of the connecting plate 1 on the side away from the anti-collision pad 11, and two sliders 4 are symmetrically slidably connected in the sliding groove 3, the sliders 4 correspond one-to-one with the card plate 5, and the sliders 4 are connected to the card plate 5; a sliding groove 7 is opened on the outer wall of the connecting plate 22 on the side away from the anti-collision pad 11, and two sliders 8 are symmetrically slidably connected in the sliding groove 7, the sliders 28 correspond one-to-one with the folding plate 9, and the sliders 28 are connected to the folding plate 9.

[0025] As a preferred embodiment, further, the pushing component 6 includes: a connecting groove 61, a pushing block 62, a connecting groove 64 and a rotating rod 65. The inner walls on both sides of the slide groove 3 are provided with connecting grooves 61, and the connecting groove 61 is a rectangular groove structure. Two connecting grooves 64 are symmetrically provided on the two side walls of the connecting plate 1, and the connecting groove 64 is a circular groove structure. The connecting groove 61 is connected to the connecting groove 64, and a pushing block 62 is slidably connected in the connecting groove 61, and the pushing block 62 is connected to the slider 4; a rotating groove 63 is provided at the end of the pushing block 62 away from the slider 4, and a rotating rod 65 is rotatably connected in the rotating groove 63, and the rotating rod 65 is slidably connected in the connecting groove 64.

[0026] As a preferred solution, further, a straight groove 14 is provided on the inner wall of the connecting groove 61, and an arc groove 15 is connected to the end of the straight groove 14 away from the slider 4, and a clamping groove 16 is provided at the end of the arc groove 15 away from the straight groove 14. The arc groove 15 and the clamping groove 16 are both provided on the inner wall of the connecting groove 61, and a side block 17 is connected to the outer wall of the rotating rod 65. The side block 17 is slidably connected to the straight groove 14 and the arc groove 15. 15 and the card slot 16; a slot 19 is opened on the inner wall of the connecting groove 64, and the slot 19 is communicated with the side wall of the connecting plate 1, and an arc groove 20 is opened on the side of the slot 19 close to the push block 62, and a card block 18 is connected to the outer wall of the rotating rod 65, and the card block 18 is adapted to the slot 19 and the arc groove 20; the connecting groove 64 is extended from the end of the rotating rod 65 away from the push block 62, and is connected to the dial plate 21.

[0027] As a preferred embodiment, further, the pushing component 10 includes: a connecting groove 101, a pushing block 102, a communicating groove 104 and a rotating rod 105. The inner walls on both sides of the slide groove 7 are provided with connecting grooves 101, and the connecting grooves 101 are of a rectangular groove structure. Two communicating grooves 104 are symmetrically provided on the two side walls of the connecting plate 2, and the communicating grooves 104 are of a circular groove structure. The connecting groove 101 is connected to the communicating groove 104, and a pushing block 102 is slidably connected in the connecting groove 101, and the pushing block 102 is connected to the sliding block 8; a rotating groove 103 is provided at one end of the pushing block 102 away from the sliding block 8, and a rotating rod 105 is rotatably connected in the rotating groove 103, and the rotating rod 105 is slidably connected in the connecting groove 104.

[0028] As a preferred solution, further, a straight groove 22 is provided on the inner wall of the connecting groove 2 101, and an arc groove 3 23 is connected to the end of the straight groove 22 away from the slider 2 8, and a clamping groove 24 is provided at the end of the arc groove 3 23 away from the straight groove 22. The arc groove 3 23 and the clamping groove 24 are both provided on the inner wall of the connecting groove 2 101, and a side block 25 is connected to the outer wall of the rotating rod 2 105. The side block 25 is slidably connected to the straight groove 22 and the arc groove 3 23. and the card slot 24; a slot 27 is provided on the inner wall of the connecting slot 104, the slot 27 is communicated with the side wall of the connecting plate 2, and an arc groove 4 28 is provided on the side of the slot 27 close to the push block 102, and a card block 26 is connected to the outer wall of the rotating rod 105, and the card block 26 is adapted to the slot 27 and the arc groove 4 28; the connecting slot 104 is extended from one end of the rotating rod 105 away from the push block 102, and is connected to the dial plate 29.

[0029] As a preferred solution, further, rubber pads 1 51 are installed at the opposite ends of the two card plates 5, and rubber pads 2 91 are installed at the opposite ends of the two folding plates 9. Rubber pads 1 51 and rubber pads 2 91 are used to reduce the impact force between the card plates 5 and the folding plates 9 and the inner walls of the inner corner grooves of doors and windows.

[0030] As a preferred embodiment, further, the rebound member 12 includes: a connecting block 121 and an inner slider 123, the outer walls of the two clamping plates 5 are respectively connected with the connecting block 121 and the inner slider 123, a side groove 122 is provided at one end of the connecting block 121 close to the inner slider 123, the inner slider 123 is slidably connected in the side groove 122, and a spring 124 is connected between the inner slider 123 and the inner wall of the side groove 122.

[0031] As a preferred solution, further, the rebound member 13 includes: a connecting block 131 and an inner slider 133. The outer walls of the two folding plates 9 are respectively connected with the connecting block 131 and the inner slider 133. A side groove 132 is provided at one end of the connecting block 131 close to the inner slider 133. The inner slider 133 is slidably connected in the side groove 132. A spring 134 is connected between the inner slider 133 and the inner wall of the side groove 132.

[0032] The anti-collision pad, spring one, spring two, rubber pad one and rubber pad two in this case are prior art, and spring one and spring two have the same structure and connection method as in the cited documents. As long as the anti-collision pad, spring one, spring two, rubber pad one and rubber pad two meet the requirements of this case, they are all acceptable.

[0033] Working principle: The electrical components in this application are all connected to the power supply and control switch when in use. After the utility model is installed, first check the installation and safety protection of the utility model, and then it can be used; when in use, first squeeze the rotating rod 65 inwards, the card block 18 enters the slot 19, and the side block 17 is stuck in the card slot 16, so that the rotating rod 65 pushes the push block 62 and the slider 4 to move, thereby driving the two card plates 5 to approach each other and make the two card plates 5 fit together; then put the card plates 5 into the corresponding The sliding plate 21 is rotated to drive the rotating rod 65 to rotate, the clamping block 18 rotates from the slot 19 into the arc groove 20, the rotating rod 65 rotates in the rotating groove 63, and the side block 17 passes through the arc groove 15 from the clamping groove 16 and enters the straight groove 14. At this time, under the action of the spring 124, the two clamping plates 5 move away from each other, so that the slider 4 drives the push block 62 to slide, so that the side block 17 slides in the straight groove 14 until the rubber pad 51 of the clamping plate 5 fits with the inner wall of the inner corner groove of the door and window. Then, the connecting plate 1 is fixed to the inner corner of the door and window; then, the rotating rod 105 is pressed inward, the clamping block 26 enters the slot 27, and the side block 25 is clamped in the clamping slot 24, so that the rotating rod 105 pushes the push block 102 and the slider 8 to move, thereby driving the two folding plates 9 to approach each other and make the two folding plates 9 fit together; then, the connecting plate 2 is rotated, and the folding plate 9 is placed in the corresponding inner corner groove of the door and window, and the dial plate 29 is rotated to drive the rotating rod 105 to rotate, so that the clamping block 26 rotates from the slot 27 into the slot 24. In the arc groove four 28, the rotating rod two 105 rotates in the rotating groove 103, so that the side block two 25 passes through the arc groove three 23 from the clamping groove two 24 and enters the straight groove two 22. At this time, under the action of the spring two 134, the two folding plates 9 move away from each other, so that the slider two 8 drives the slider of the push block two 102, so that the side block two 25 slides in the straight groove two 22 until the folding plate 9 fits with the inner wall of the inner corner groove of the door and window. At this time, the connecting plate two 2 is fixed to the inner corner of the door and window, so that the anti-collision pad 11 can be installed at the inner corner of the door and window, which is more practical.

[0034] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A corner connector for doors and windows, comprising: A connecting plate 1 (1) and a connecting plate 2 (2), characterized in that the connecting plate 1 (1) is rotatably connected to the connecting plate 2 (2), an anti-collision pad (11) is connected to the outer wall on the same side of the connecting plate 1 (1) and the connecting plate 2 (2), two clamping plates (5) are slidably connected to the outer wall on the side of the connecting plate 1 (1) away from the anti-collision pad (11), and two folding plates (9) are slidably connected to the outer wall on the side of the connecting plate 2 (2) away from the anti-collision pad (11), two pushing components 1 (6) are symmetrically arranged inside the connecting plate 1 (1), the clamping plates (5) correspond to the pushing components 1 (6) one by one, and a plurality of resilient components 1 (12) are equidistantly connected between the two clamping plates (5); two pushing components 2 (10) are symmetrically arranged inside the connecting plate 2 (2), the folding plates (9) correspond to the pushing components 2 (10) one by one, and a plurality of resilient components 2 (13) are equidistantly connected between the two folding plates (9).

2. The corner connector for doors and windows according to claim 1, characterized in that: A sliding groove (3) is provided on the outer wall of the connecting plate (1) at a side away from the anti-collision pad (11), and two sliding blocks (4) are slidably connected in the sliding groove (3), and the sliding blocks (4) correspond one to one with the card plate (5), and the sliding blocks (4) are connected to the card plate (5); a sliding groove (7) is provided on the outer wall of the connecting plate (2) at a side away from the anti-collision pad (11), and two sliding blocks (8) are slidably connected in the sliding groove (7), and the sliding blocks (8) correspond one to one with the folding plate (9), and the sliding blocks (8) are connected to the folding plate (9).

3. The corner connector for doors and windows according to claim 2, characterized in that: The pushing component (6) comprises: a connecting groove (61), a pushing block (62), a communicating groove (64) and a rotating rod (65). The inner walls on both sides of the sliding groove (3) are provided with connecting grooves (61), and the two side walls of the connecting plate (1) are symmetrically provided with two communicating grooves (64). The connecting groove (61) is connected with the communicating groove (64). A pushing block (62) is slidably connected in the connecting groove (61), and the pushing block (62) is connected to the sliding block (4); a rotating groove (63) is provided at one end of the pushing block (62) away from the sliding block (4), and a rotating rod (65) is rotatably connected in the rotating groove (63), and the rotating rod (65) is slidably connected in the communicating groove (64).

4. The corner connector for doors and windows according to claim 3, characterized in that: A straight groove (14) is provided on the inner wall of the connecting groove (61); an arc groove (15) is connected to the end of the straight groove (14) away from the sliding block (4); a clamping groove (16) is provided on the end of the arc groove (15) away from the straight groove (14); a side block (17) is connected to the outer wall of the rotating rod (65); the side block (17) is slidably connected between the straight groove (14), the arc groove (15) and the clamping groove (16); a connecting groove (64) is provided on the inner wall A slot (19) is provided, the slot (19) is communicated with the side wall of the connecting plate (1), an arcuate slot (20) is provided on the side of the slot (19) close to the push block (62), a clamping block (18) is connected to the outer wall of the rotating rod (65), the clamping block (18) is adapted to the slot (19) and the arcuate slot (20); the end of the rotating rod (65) away from the push block (62) extends out of the connecting slot (64) and is connected to the shifting plate (21).

5. The corner connector for doors and windows according to claim 2, characterized in that: The pushing component 2 (10) comprises: a connecting groove 2 (101), a pushing block 2 (102), a communicating groove 2 (104) and a rotating rod 2 (105). The inner walls of both sides of the sliding groove 2 (7) are provided with connecting grooves 2 (101), and the two side walls of the connecting plate 2 (2) are symmetrically provided with two communicating grooves 2 (104). The connecting groove 2 (101) is connected with the communicating groove 2 (104). The connecting groove 2 (101) is slidably connected with a pushing block 2 (102), and the pushing block 2 (102) is connected with the sliding block 2 (8); the pushing block 2 (102) is provided with a rotating groove 2 (103) at one end away from the sliding block 2 (8), and the rotating groove 2 (103) is rotatably connected with a rotating rod 2 (105), and the rotating rod 2 (105) is slidably connected in the communicating groove 2 (104).

6. The corner connector for doors and windows according to claim 5, characterized in that: The inner wall of the second connecting groove (101) is provided with a second straight groove (22), the end of the second straight groove (22) away from the second sliding block (8) is connected with a third arc groove (23), the end of the third arc groove (23) away from the second straight groove (22) is provided with a second clamping groove (24), the outer wall of the second rotating rod (105) is connected with a second side block (25), the second side block (25) is slidably connected between the second straight groove (22), the third arc groove (23) and the second clamping groove (24); the inner wall of the second connecting groove (104) is provided with a second side block (25), the second side block (25) is slidably connected between the second straight groove (22), the third arc groove (23) and the second clamping groove (24); A second slot (27) is provided, the second slot (27) is communicated with the side wall of the second connecting plate (2), a side of the second slot (27) close to the second pushing block (102) is provided with a fourth arc slot (28), the outer wall of the second rotating rod (105) is connected with a second clamping block (26), the second clamping block (26) is adapted to the second slot (27) and the fourth arc slot (28); the end of the second rotating rod (105) away from the second pushing block (102) extends out of the second connecting slot (104), and is connected with a second dial plate (29).

7. The corner connector for doors and windows according to claim 1, characterized in that: The opposite ends of the two clamping plates (5) are both installed with rubber pads 1 (51), and the opposite ends of the two folding plates (9) are both installed with rubber pads 2 (91).

8. The corner connector for doors and windows according to claim 1, characterized in that: The resilient member (12) comprises: a connecting block (121) and an inner sliding block (123); the outer walls of the two clamping plates (5) are respectively connected with the connecting block (121) and the inner sliding block (123); a side groove (122) is formed at one end of the connecting block (121) close to the inner sliding block (123); the inner sliding block (123) is slidably connected in the side groove (122); a spring (124) is connected between the inner sliding block (123) and the inner wall of the side groove (122).

9. The corner connector for doors and windows according to claim 1, characterized in that: The second resilient member (13) comprises: a second connecting block (131) and a second inner sliding block (133). The outer walls of the two folding plates (9) are respectively connected with the second connecting block (131) and the second inner sliding block (133). The second connecting block (131) is provided with a second side groove (132) at one end close to the second inner sliding block (133). The second inner sliding block (133) is slidably connected in the second side groove (132). A second spring (134) is connected between the second inner sliding block (133) and the inner wall of the second side groove (132).

Images