A self-elastic opening and closing handle for a screen window

Abstract

The present invention discloses a self - elastic opening and closing handle for a screen window, which relates to the technical field of doors and windows related products. It solves the problems that the multi - point lock diamond mesh screen window is relatively large in volume, poor in anti - theft performance, the cross - section of the screen window fan profile is large, and it affects the permeability of the whole window. The self - elastic opening and closing handle of the present invention is small in volume and is suitable for screen window fan profiles with a relatively narrow cross - section width. The screen window fan is locked by the handle pull rod on the indoor side, achieving a good external anti - theft effect. At the same time, a button lock is provided, which effectively prevents children from accidentally touching and opening the screen window fan internally, effectively reducing the risk of children accidentally falling from a building during play. The self - elastic opening is adopted, which is easy to disassemble, clean, replace and repair.

Description

Technical Field

[0001] The present invention relates to the technical field of doors and windows related products, and particularly to a self - elastic opening and closing handle for a screen window. Background Art

[0002] As an essential part of doors and windows products, screen windows come in various forms. Traditional screen windows are externally hung on the outer frame at the opening of the window sash, fixed and unable to open, without the need for a handle, and are relatively independent of the window. With the development of windows, the integrated window - screen window has come into the public eye. The screen window can be opened and removed for cleaning after the window sash is opened. With the development of screen windows, the function of simply preventing mosquitoes is no longer sufficient to meet people's needs. With the increase in low - rise buildings such as villas and townhouses, screen windows are more in need of anti - theft functions. Therefore, the multi - point lock diamond mesh anti - theft screen window has emerged. The diamond mesh screen window is equipped with multi - point lock hardware, greatly improving the anti - theft level. Currently, the multi - point lock diamond mesh screen window has just emerged, and the related supporting opening and closing handles are not perfect. The existing handles are generally large in overall volume, poor in anti - theft performance, and unstable in quality, resulting in a large cross - section of the screen window sash profile and a wide overall viewing surface, affecting the transparency of the entire window on the outside of the window. Summary of the Invention

[0003] Aiming at the problem of the imperfect supporting handle for multi - point locks mentioned above, the purpose of the present invention is to provide a self - elastic opening and closing handle for a screen window.

[0004] In order to achieve the above - mentioned purpose, the technical solution adopted by the present invention is as follows:

[0005] A self - elastic opening and closing handle for a screen window, which includes:

[0006] A handle base body 1, the handle base body 1 is installed on the screen window sash profile 18, and the handle base body 1 is provided with a handle installation opening and a lock point installation opening;

[0007] A handle installation clamping member 2, a spring 9, a sliding body 4, and a handle pull rod 3. The handle installation clamping member 2 is arranged inside the handle base body 1 and connected to one end of the handle base body 1. The handle installation clamping member 2 is provided with a limiting groove. The sliding body 4 is arranged at the lock point installation opening and can slide operably along the handle base body 1. A limiting plate is provided at the end of the sliding body 4. One end of the spring 9 abuts against the bottom of the limiting groove, and the other end of the spring 9 abuts against one side of the limiting plate. The handle pull rod 3 is arranged at the handle installation opening and is rotatably connected to the handle base body 1. One end of the handle pull rod 3 abuts against the other side of the limiting plate. By rotating the handle pull rod 3, one end of the handle pull rod 3 pushes the sliding body 4 to slide along the handle base body 1, and the spring 9 is compressed by the limiting plate;

[0008] A pull rod clamping button 5 and a second spring piece 8, both the pull rod clamping button 5 and the second spring piece 8 are installed on the handle base body 1. The pull rod clamping button 5 is arranged at the handle installation opening and matches with the other end of the handle pull rod 3. The end of the second spring piece 8 abuts against the pull rod clamping button 5. The second spring piece 8 is used to reset the pull rod clamping button 5. When the handle pull rod 3 is rotated to be in the same plane as the side plate of the handle base body 1, the handle pull rod 3 is limited by the pull rod clamping button 5, and the limit of the handle pull rod 3 is released by pressing the pull rod clamping button 5.

[0009] A locking panel 10, the locking panel 10 is connected with the sliding body 4. The position of the lock point on the locking panel 10 is adjusted through the sliding body 4 to realize the unlocking and locking of the screen window.

[0010] The above self - elastic opening and closing handle for a screen window, further comprising: a button lock 6, the button lock 6 is installed on the side plate of the handle base body 1, and the pull rod clamping button 5 can be operably locked by rotating the button lock 6.

[0011] The above self - elastic opening and closing handle for a screen window, further comprising: a first pin shaft 11 and a second pin shaft 12, the handle installation clamping part 2 and the handle base body 1 are connected through the first pin shaft 11 and the second pin shaft 12.

[0012] The above self - elastic opening and closing handle for a screen window, wherein the handle installation clamping part 2 comprises: a main body part and a side connection plate. A limiting groove is provided on one side of the main body part, and the other side of the main body part is connected with the side connection plate.

[0013] The above self - elastic opening and closing handle for a screen window, further comprising: a first spring piece 7, the first spring piece 7 is installed in the handle installation clamping part 2. One end of the first spring piece 7 abuts against the main body part, and the other end of the first spring piece 7 abuts against the side connection plate.

[0014] The above self - elastic opening and closing handle for a screen window, wherein a first interface 16 is provided on the side connection plate, and a second interface 17 is provided at the other end of the handle base body 1. The handle base body 1 is installed on the screen window sash profile 18 through the first interface 16 and the second interface 17.

[0015] The above self - elastic opening and closing handle for a screen window, further comprising: a third pin shaft 13, the handle pull rod 3 and the handle base body 1 are rotationally connected through the third pin shaft 13.

[0016] The self-elastic opening and closing handle for the screen window further includes: a fourth pin shaft 14 , and the pull rod clamp button 5 and the handle base 1 are rotatably connected via the fourth pin shaft 14 .

[0017] The above-mentioned self-elastic opening and closing handle for the screen window also includes: a fifth pin shaft 15, which is installed in the handle base 1, and the middle part of the second spring leaf 8 is limited by the fourth pin shaft 14. One end of the second spring leaf 8 is against the pull rod clamp button 5, and the other end of the second spring leaf 8 is against the fifth pin shaft 15.

[0018] The above-mentioned self-elastic opening and closing handle for the screen window, wherein the button lock 6 includes: a keyhole member 19 and a button fork 20, the keyhole member 19 is installed on the side panel of the handle base 1, the button fork 20 is connected to the keyhole member 19, the pull rod clamp button 5 is operably limited between the side panel of the handle base 1 and the button fork 20, and a keyhole is provided on the keyhole member 19. The keyhole member 19 is used to rotate the keyhole member 19 and then the button fork 20 to achieve unlocking and locking of the pull rod clamp button 5.

[0019] Due to the adoption of the above technology, the present invention has the following positive effects compared with the prior art:

[0020] (1) In the present invention, the self-elastic opening and closing handle is small in size and is suitable for screen window sash profiles with a narrow cross-sectional width. It has a simple and beautiful appearance, ensuring the screen window sash's requirement for a wide field of vision;

[0021] (2) In the present invention, the self-elastic opening and closing handle locks the screen window sash through the indoor side handle pull rod, which has a good external anti-theft effect. At the same time, a button lock is provided to effectively prevent children from accidentally touching the screen window sash and causing it to open, effectively reducing the risk of children accidentally touching the screen window sash and falling from the building during play;

[0022] (3) In the present invention, the self-elastic opening and closing handle adopts a self-elastic opening, i.e., one-touch opening, which is suitable for ultra-narrow sashes, is easy to install and disassemble, simple and convenient to operate, easy to disassemble and clean, and easy to replace and repair;

[0023] (4) In the present invention, the self-elastic opening and closing handle is small in size and is suitable for various types of screen window sashes. It has a wide range of applicability and reduces the demand for the cross-sectional width of the screen window sash profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The present invention is a structural schematic diagram of a self-elastic opening and closing handle for a screen window in a locked state.

[0025] Figure 2It is a schematic structural diagram of a self - elastic opening and closing handle for a screen window of the present invention in the unlocked state.

[0026] Figure 3 It is an axonometric view of a self - elastic opening and closing handle for a screen window of the present invention in the unlocked state.

[0027] Figure 4 It is an axonometric view of a self - elastic opening and closing handle for a screen window of the present invention in the locked state.

[0028] Figure 5 It is a schematic structural diagram of the handle base of a self - elastic opening and closing handle for a screen window of the present invention.

[0029] Figure 6 It is a schematic position diagram of the locking panel of a self - elastic opening and closing handle for a screen window of the present invention.

[0030] Figure 7 It is an installation schematic diagram of the locking panel of a self - elastic opening and closing handle for a screen window of the present invention.

[0031] Figure 8 It is an installation schematic diagram of the handle base of a self - elastic opening and closing handle for a screen window of the present invention.

[0032] Figure 9 It is a schematic structural diagram of the screen window frame profile of a self - elastic opening and closing handle for a screen window of the present invention.

[0033] Figure 10 It is an embodiment diagram of a self - elastic opening and closing handle for a screen window of the present invention in the unlocked state.

[0034] Figure 11 It is a schematic structural diagram of the button lock of a self - elastic opening and closing handle for a screen window of the present invention.

[0035] Figure 12 It is a schematic structural diagram of the handle pull rod of a self - elastic opening and closing handle for a screen window of the present invention.

[0036] Figure 13 It is a three - dimensional view of the button lock of a self - elastic opening and closing handle for a screen window of the present invention.

[0037] It is an embodiment diagram of the button lock of a self - elastic opening and closing handle for a screen window of the present invention in the unlocked state.

[0038] Figure 14 It is an embodiment diagram of the button lock of a self - elastic opening and closing handle for a screen window of the present invention in the locked state.

[0039] In the attached drawings: 1. Handle base body; 2. Handle installation clamping part; 3. Handle pull rod; 4. Sliding body; 5. Pull rod clamping button; 6. Button locking part; 7. First spring piece; 8. Second spring piece; 9. Spring; 10. Locking panel; 11. First pin shaft; 12. Second pin shaft; 13. Third pin shaft; 14. Fourth pin shaft; 15. Fifth pin shaft; 16. First interface; 17. Second interface; 18. Screen window sash profile; 19. Lock hole part; 20. Button fork. Detailed implementation mode

[0040] The present invention will be further described below in conjunction with the attached drawings and specific embodiments, but it is not intended to limit the present invention.

[0041] Please refer to Figure 15 Figures 1 to 15 as shown, a self-elastic opening and closing handle for a screen window is shown, which includes:

[0042] The handle base body 1 is installed on the screen window sash profile 18, and the handle base body 1 is provided with a handle installation opening and a lock point installation opening;

[0043] The handle installation clamping part 2, the spring 9, the sliding body 4 and the handle pull rod 3. The handle installation clamping part 2 is arranged in the handle base body 1 and connected to one end of the handle base body 1. A limiting groove is opened on the handle installation clamping part 2. The sliding body 4 is arranged at the lock point installation opening and can slide along the handle base body 1 operably. A limiting plate is arranged at the end of the sliding body 4. One end of the spring 9 abuts against the bottom of the limiting groove, and the other end of the spring 9 abuts against one side of the limiting plate. The handle pull rod 3 is arranged at the handle installation opening and is rotatably connected to the handle base body 1. One end of the handle pull rod 3 abuts against the other side of the limiting plate. By rotating the handle pull rod 3, one end of the handle pull rod 3 pushes the sliding body 4 to slide along the handle base body 1, and the spring 9 is compressed through the limiting plate;

[0044] The pull rod clamping button 5 and the second spring piece 8. The pull rod clamping button 5 and the second spring piece 8 are both installed on the handle base body 1. The pull rod clamping button 5 is arranged at the handle installation opening and matches the other end of the handle pull rod 3. The end of the second spring piece 8 abuts against the pull rod clamping button 5. The second spring piece 8 is used to reset the pull rod clamping button 5. When the handle pull rod 3 is rotated to be in the same plane as the side plate of the handle base body 1, the handle pull rod 3 is limited by the pull rod clamping button 5, and the limit on the handle pull rod 3 is released by pressing the pull rod clamping button 5;

[0045] The locking panel 10 is connected to the sliding body 4, and the position of the lock point on the locking panel 10 is adjusted through the sliding body 4 to realize the unlocking and locking of the screen window.

[0046] Further, in a preferred embodiment, it further includes: a button lock 6, which is installed on the side plate of the handle base 1, and the pull rod clamping button 5 can be operably locked by rotating the button lock 6.

[0047] Further, in a preferred embodiment, it further includes: a first pin shaft 11 and a second pin shaft 12, and the handle mounting and clamping member 2 and the handle base 1 are connected by the first pin shaft 11 and the second pin shaft 12.

[0048] Further, in a preferred embodiment, the handle mounting and clamping member 2 includes: a main body portion and a side connection plate, a limiting groove is provided on one side of the main body portion, and the other side of the main body portion is connected to the side connection plate.

[0049] Further, in a preferred embodiment, it further includes: a first spring piece 7, which is installed in the handle mounting and clamping member 2, one end of the first spring piece 7 abuts against the main body portion, and the other end of the first spring piece 7 abuts against the side connection plate.

[0050] Further, in a preferred embodiment, a first interface 16 is provided on the side connection plate, a second interface 17 is provided at the other end of the handle base 1, and the handle base 1 is installed on the screen window sash profile 18 through the first interface 16 and the second interface 17.

[0051] Further, in a preferred embodiment, it further includes: a third pin shaft 13, and the handle pull rod 3 and the handle base 1 are rotatably connected by the third pin shaft 13.

[0052] Further, in a preferred embodiment, it further includes: a fourth pin shaft 14, and the pull rod clamping button 5 and the handle base 1 are rotatably connected by the fourth pin shaft 14.

[0053] Further, in a preferred embodiment, it further includes: a fifth pin shaft 15, which is installed in the handle base 1, the middle part of the second spring piece 8 is limited by the fourth pin shaft 14, one end of the second spring piece 8 abuts against the pull rod clamping button 5, and the other end of the second spring piece 8 abuts against the fifth pin shaft 15.

[0054] Further, in a preferred embodiment, the button lock 6 includes: a lock hole member 19 and a button fork 20, the lock hole member 19 is installed on the side plate of the handle base 1, the button fork 20 is connected to the lock hole member 19, the pull rod clamping button 5 is operably limited between the side plate of the handle base 1 and the button fork 20, a key hole is provided on the lock hole member 19, and by rotating the lock hole member 19 with a key matching the key hole and then rotating the button fork 20, the unlocking and locking of the pull rod clamping button 5 are realized.

[0055] The above are only preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention accordingly.

[0056] The present invention further has the following embodiments on the above basis:

[0057] In a further embodiment of the present invention, the panel of the handle base body 1 is a side plate provided with a handle mounting opening.

[0058] In a further embodiment of the present invention, the handle is mounted on the sash profile. First, a groove hole is milled on the sash profile, and the handle base body 1 is recessed into the screen window sash profile 18, leaving only the panel on the profile surface. It is small in size, and the cross-sectional area of the screen window sash profile 18 where the handle is installed is small. The overall appearance of the sash is slender, and the whole window has a strong sense of transparency. The handle looks very simple and flat on the outside, with a full sense of comfort.

[0059] In a further embodiment of the present invention, the expansion and contraction of the spring 9 is used to push the sliding body 4 to slide, driving the bounce of the handle pull rod 3, and then driving the opening and closing of the multi-point lock hardware, realizing the opening and closing function of the screen window.

[0060] In a further embodiment of the present invention, in the locked state: the handle pull rod 3 is closed, and the sliding body 4 compresses the spring 9 to the maximum state. At this time, the screen window multi-point lock is in a fully locked state. The pull rod clamping button 5 clamps the handle pull rod 3 to prevent the handle pull rod 3 from rebounding. The button lock 6 is rotated to the position shown in the figure by the key. At this time, the button lock 6 locks the pull rod clamping button 5, and the pull rod clamping button 5 is fixed. At this time, the pull rod clamping button 5 cannot be pressed down, realizing the locking of the handle pull rod 3. It realizes external anti-theft and at the same time can prevent the occurrence of accidents where children in the room accidentally open the screen window and fall downstairs.

[0061] In a further embodiment of the present invention, in the open state: first, the key is used to rotate the button lock 6 to the position shown in the figure, and the button fork 20 is separated from the pull rod clamping button 5. At this time, the pull rod clamping button 5 is in an unlocked state. By pressing the pull rod clamping button 5 with a finger, the pull rod clamping button 5 rotates around the fourth pin shaft 14 and compresses the second spring piece 8. When the pull rod clamping button 5 rotates to a certain angle, the pull rod clamping button 5 is separated from the handle pull rod 3. The handle pull rod 3 drives the sliding body 4 to slide in the handle base body 1 under the spring force of the spring 9, and the handle pull rod 3 quickly bounces up around the third pin shaft 13 and rotates to the position shown in the figure and is fixed. While the sliding body 4 drives the handle pull rod 3 to bounce up and rotate, it also drives the fork connected to the multi-point lock hardware panel and the lock point to move to the other end of the stroke, and the lock point is separated from the frame lock block. At this time, the screen window is in an open state. Under the action of the second spring piece 8, the pull rod clamping button 5 will automatically return to its original position after being pressed and released, realizing self-elastic opening, that is, one-key opening. When the handle pull rod 3 is pulled from the open state to the locked state, the handle pull rod 3 rotates around the third pin shaft 13, the handle end abuts against the sliding body 4 and moves, and the sliding body 4 compresses the spring 9 to the maximum, returning to the above-mentioned locked state.

[0062] In a further embodiment of the present invention, as shown in the exploded view of the handle base body 1 installed on the screen window sash profile 18, first, a handle installation groove is milled on the visible surface of the screen window sash profile 18. One end of the second interface 17 of the handle base body 1 is first pressed into the notch end of the handle installation groove of the screen window sash profile 18. After the second interface 17 contacts the end of the handle installation groove of the screen window sash profile 18, it is held in place without releasing. With the second interface 17 and the end of the handle installation groove of the screen window sash profile 18 as the axis, the handle base body 1 is rotated until the first interface 16 is at the other end of the notch of the handle installation groove of the screen window sash profile 18. The first interface 16 is the upper end of the handle installation clamping member 2. The handle installation clamping member 2 is a nylon part with good toughness. Under the action of the first spring piece 7, it elastically contracts until the handle base body 1 is pressed into the notch of the handle installation groove. Under the action of the first spring piece 7, the first interface 16 is clamped with the notch end of the screen window sash profile 18, and the entire handle base body 1 is installed. When disassembling, the handle base body 1 is pushed in the direction parallel to the screen window sash profile 18 and facing the first interface 16. Under the pushing and pulling action, the first spring piece 7 inside the handle installation clamping member 2 is compressed, the first interface 16 contracts inward, the second interface 17 is separated from the end of the handle installation groove of the screen window sash profile 18, and the handle base body 1 can be taken out. The other end of the handle installation clamping member 2 is fixed to the handle base body 1 through the first pin shaft 11 and the second pin shaft 12.

[0063] In a further embodiment of the present invention, the button lock part 6 is formed by sleeving the lock hole part 19 on the button fork 20, and the button fork 20 is fastened to the lock hole part 19 by screws. The gap between the lock hole part 19 and the button fork 20 is clamped on the panel round hole of the handle base body 1 for overconnection. When the key rotates, it can drive the lock hole part 19 and the button fork 20 to rotate integrally. The open state and the locked state in the figure are the two extreme positions of the rotation of the button fork 20.

[0064] In a further embodiment of the present invention, the features are: small volume, simple and beautiful, wide application range, more suitable for ultra-narrow sash profiles, convenient for installation and disassembly, anti-theft externally and prevent children from falling downstairs internally, self-elastic opening, that is, one-key opening.

[0065] In a further embodiment of the present invention, a handle installation groove and a hardware fork moving groove are provided on the screen window sash profile 18. The handle base body 1 is installed in the handle installation groove of the screen window sash profile 18. The position of the lock point installation opening matches the position of the hardware fork moving groove. The lock closing panel 10 is installed on the screen window sash profile 18 and can slide operably along the screen window sash profile 18. The lock closing panel 10 is connected to the sliding body 4 located at the lock point installation opening. The lock closing panel 10 is driven to slide along the screen window sash profile 18 through the sliding body 4. The lock closing panel 10 is provided with lock points. By adjusting the positions of the lock points, the opening and closing of the multi-point lock hardware are realized, and thus the opening and closing function of the screen window is realized.

[0066] In a further embodiment of the present invention, the handle pull rod 3 is installed at the handle installation opening of the handle base body 1. The handle base body 1 and the handle pull rod 3 are rotatably connected by a third pin shaft 13. One end of the handle pull rod 3 abuts against the sliding body 4. A spring 9 is provided between the sliding body 4 and the handle installation clamping member 2. The spring 9 is in a compressed state. Under the action of the spring 9, the maximum distance is maintained between the sliding body 4 and the handle installation clamping member 2. At this time, the handle pull rod 3 is perpendicular to the panel of the handle base body 1. Rotating the handle pull rod 3 around the third pin shaft 13 makes the handle pull rod 3 and the panel of the handle base body 1 in the same plane. At this time, the other end of the handle pull rod 3 is limited by the pull rod clamping button 5.

[0067] In a further embodiment of the present invention, during the rotation of the handle pull rod 3, one end of the handle pull rod 3 pushes the sliding body 4 to slide along the handle base body 1, and at the same time, the sliding body 4 compresses the spring 9.

[0068] In a further embodiment of the present invention, the pull rod clamping button 5 is installed at the handle installation opening of the handle base body 1. The pull rod clamping button 5 and the handle base body 1 are rotatably connected by a fourth pin shaft 14. A second spring piece 8 is provided below the pull rod clamping button 5. When the pull rod clamping button 5 is pressed and rotates around the fourth pin shaft 14, it is reset by the second spring piece 8. One end of the pull rod clamping button 5 matches the handle pull rod 3, and the handle pull rod 3 is limited by the pull rod clamping button 5. The other end of the pull rod clamping button 5 abuts against the panel of the handle base body 1. When the pull rod clamping button 5 is pressed, the pull rod clamping button 5 rotates around the fourth pin shaft 14, and one end of the pull rod clamping button 5 releases the limit on the handle pull rod 3. At this time, the spring 9 rebounds and pushes the sliding body 4 to slide along the handle base body 1. At the same time, the sliding body 4 pushes one end of the handle pull rod 3, making the handle pull rod 3 rotate around the third pin shaft 13 until the handle pull rod 3 rotates back to be perpendicular to the panel of the handle base body 1.

[0069] In a further embodiment of the present invention, both the fourth pin shaft 14 and the fifth pin shaft 15 are installed in the handle base body 1. The pull rod clamping button 5 is operably rotatable around the fourth pin shaft 14. The middle part of the second spring piece 8 is limited by the fourth pin shaft 14. One end of the second spring piece 8 abuts against the pull rod clamping button 5, and the other end of the second spring piece 8 abuts against the fifth pin shaft 15. When the pull rod clamping button 5 is pressed, the pull rod clamping button 5 rotates around the fourth pin shaft 14, and the second spring piece 8 is compressed by the force. After canceling the pressing, the second spring piece 8 rebounds and pushes the pull rod clamping button 5 to reset.

[0070] In a further embodiment of the present invention, the button lock 6 includes: a lock hole member 19 and a button fork 20. The button fork 20 is fixedly connected to the lock hole member 19. The lock hole member 19 is operably rotated about its center line under the action of a key, driving the button fork 20 to rotate. The button lock 6 has an unlocked state and a locked state. As shown in the figure, when the button lock 6 is in the locked state, the other end of the pull rod clamping button 5 is limited between the panel of the handle base 1 and the button fork 20. The pull rod clamping button 5 is limited by the button fork 20 and cannot be pressed. When the button lock 6 is in the unlocked state, the button fork 20 is rotated to one side of the other end of the pull rod clamping button 5. The button fork 20 does not limit the pull rod clamping button 5, and the pull rod clamping button 5 can be pressed.

[0071] The above are only preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-elastic opening and closing handle for a window screen, characterized in that, Comprising: A handle base body (1), the handle base body (1) is installed on a screen window sash profile (18), and a handle installation opening and a lock point installation opening are provided on the handle base body (1); A handle installation clamping member (2), a spring (9), a sliding body (4) and a handle pull rod (3), the handle installation clamping member (2) is arranged inside the handle base body (1) and connected to one end of the handle base body (1), a limiting groove is formed on the handle installation clamping member (2), the sliding body (4) is arranged at the lock point installation opening and can slide along the handle base body (1) operably, a limiting plate is arranged at the end of the sliding body (4), one end of the spring (9) abuts against the bottom of the limiting groove, the other end of the spring (9) abuts against one side of the limiting plate, the handle pull rod (3) is arranged at the handle installation opening and rotatably connected to the handle base body (1), one end of the handle pull rod (3) abuts against the other side of the limiting plate, by rotating the handle pull rod (3), one end of the handle pull rod (3) pushes the sliding body (4) to slide along the handle base body (1), and the spring (9) is compressed by the limiting plate; A pull rod clamping member button (5) and a second spring piece (8), the pull rod clamping member button (5) and the second spring piece (8) are both installed on the handle base body (1), the pull rod clamping member button (5) is arranged at the handle installation opening and matches with the other end of the handle pull rod (3), the end of the second spring piece (8) abuts against the pull rod clamping member button (5), the second spring piece (8) is used for resetting the pull rod clamping member button (5), when the handle pull rod (3) is rotated to be in the same plane as the side plate of the handle base body (1), the handle pull rod (3) is limited by the pull rod clamping member button (5), and the limit of the handle pull rod (3) is released by pressing the pull rod clamping member button (5); A locking panel (10), the locking panel (10) is connected to the sliding body (4), and the position of the lock point on the locking panel (10) is adjusted by the sliding body (4) to realize the unlocking and locking of the screen window; Further comprising: a first pin shaft (11) and a second pin shaft (12), the handle installation clamping member (2) and the handle base body (1) are connected by the first pin shaft (11) and the second pin shaft (12); The handle installation clamping member (2) includes: a main body part and a side connection plate, a limiting groove is provided on one side of the main body part, and the other side of the main body part is connected to the side connection plate; Further comprising: a first spring piece (7), the first spring piece (7) is installed inside the handle installation clamping member (2), one end of the first spring piece (7) abuts against the main body part, and the other end of the first spring piece (7) abuts against the side connection plate.

2. The self-elastic opening and closing handle for the screen window according to claim 1, wherein Further comprising: A button lock member (6), the button lock member (6) is installed on the side plate of the handle base body (1), and the pull rod clamping member button (5) can be locked operably by rotating the button lock member (6).

3. The self-elastic opening and closing handle for a window screen according to claim 1, characterized in that, A first interface (16) is provided on the side connection plate, and a second interface (17) is provided at the other end of the handle base body (1). The handle base body (1) is mounted on the screen window sash profile (18) through the first interface (16) and the second interface (17).

4. The self-elastic opening and closing handle for the screen window according to claim 1, characterized in that It further includes: A third pin shaft (13), through which the handle pull rod (3) and the handle base body (1) are rotatably connected.

5. The self-elastic opening and closing handle for a screen window according to claim 1, characterized in that, It further includes: A fourth pin shaft (14), through which the pull rod clamping button (5) and the handle base body (1) are rotatably connected.

6. The self-elastic opening and closing handle for a screen window according to claim 5, characterized in that, It further includes: A fifth pin shaft (15) is installed inside the handle base body (1). The middle part of the second spring piece (8) is limited by the fourth pin shaft (14). One end of the second spring piece (8) abuts against the pull rod clamping button (5), and the other end of the second spring piece (8) abuts against the fifth pin shaft (15).

7. The self-elastic opening and closing handle for a window screen according to claim 2, characterized in that, The button lock (6) includes a lock hole part (19) and a button fork (20). The lock hole part (19) is installed on the side plate of the handle base body (1). The button fork (20) is connected to the lock hole part (19). The pull rod clamping button (5) is operably limited between the side plate of the handle base body (1) and the button fork (20). A key hole is provided on the lock hole part (19). By rotating the lock hole part (19) with a key matching the key hole, the button fork (20) is rotated, so as to unlock and lock the pull rod clamping button (5).

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