Magnetic transmission manual drive device for hollow glass built-in shutter

Abstract

The application discloses a magnetic transmission manual driving device for a hollow glass built-in shutter, wherein the inner magnetic sliding block slides downward and compresses a corrugated gas storage part, a bottom light shielding part is inflated and turned upward, and the gap between the bottom end surface of the subsequent shutter group and the bottom end surface of the inner side of the frame body is shielded; the air discharged through the air guide pipe first enters the transmission cavity and pushes the silicon rubber expansion part to expand, the expanded silicon rubber expansion part pushes the reset spring plate to move to the left side, the reset spring plate drives the extrusion rod to move to the left side through the magnetic transmission mode, the extrusion rod moving to the left side extrudes the concave part in the extrusion deformation part and reduces the splay opening angle, the corrugated telescopic section secondarily pushes the front and back sides of the light shielding plate on the opposite side and is bent, and finally the bent light shielding plate covers the left side of the shutter group and shields light.

Description

Technical Field

[0001] This invention belongs to the field of blind technology, specifically relating to a magnetic drive manual drive device for built-in blinds in insulated glass. Background Technology

[0002] The magnetic drive manual operation device for the built-in blinds in insulated glass units can achieve control in two ways: 1. Built-in magnetic control insulated blinds (single-sided control): Light intensity is adjusted by rotating the built-in blinds 180 degrees and raising the blinds; 2. Built-in magnetic control insulated blinds (double-sided control): The angle adjuster and the raising adjuster are located on opposite sides, and light intensity is adjusted by rotating the built-in blinds 180 degrees and raising the blinds. The built-in blinds in insulated glass units consist of insulated glass, an aluminum alloy frame (installed between the insulated glass units and surrounding the blind slats, acting as a limiter for the slats), magnets and magnetic control accessories (installed on the left and right sides or one side of the built-in blinds), and a blind-turning rope reel (pre-installed on the top of the aluminum alloy frame and controlled by the magnetic control). The system consists of components that adjust the raising, lowering, and tilting of the louvers. Inside the aluminum alloy frame, L-shaped or door-shaped partition frames are installed for single-sided and double-sided control. The magnetic control components consist of an outer magnetic slider and an inner magnetic slider. The inner magnetic slider is slidably connected to a pre-set groove on the side of the partition frame and is connected via a traction rope and a tilting rope reel. The outer magnetic slider is magnetically connected to the inner magnetic slider across the insulating glass. Sliding the outer magnetic slider from the outside actually controls the direction of movement of the inner magnetic slider, thereby controlling the raising, lowering, and tilting of the louvers. For single-sided and double-sided control, the partition frame occupies the corresponding side area of ​​the insulating glass, and there is also a gap between the side of the louvers and the partition frame. External light can easily enter through the gap between the louvers and the magnetic control rail, resulting in insufficient light blocking.

[0003] For example, Chinese patent CN103556918A discloses a spacer assembly for insulated glass blinds, including a spacer assembly disposed between two layers of glass. The spacer assembly includes a spacer housing and a spacer. One end of the spacer housing has a slot for installing the spacer, and the other end has a cavity to facilitate the operation of the blinds. By adding a spacer housing, the left and right ends of the blinds run within the cavity of the spacer housing, preventing the blinds from rubbing against the glass. Furthermore, the sealant filling the spacer housing between the spacer housing and the glass is less likely to stick to the blinds within the cavity of the spacer housing. In addition, the spacer housing covers the gap between the blinds and the spacer, increasing the shading coefficient. The structure is simple and easy to implement. Another example is patent CN11179. Chinese Patent 4664A discloses a hollow glass louvered window, which includes a window frame, multiple louvers disposed within the window frame, a counterweight connected below the bottom louver, adjacent louvers connected by a connecting rope, and the bottom louver connected to the counterweight by a connecting rope. A traction rope for pulling the louvers is provided within the window frame, passing through the multiple louvers and connected to the counterweight. A cavity is provided in the window frame at both ends of the louvers, and a controller for controlling the movement of the traction rope is provided within the cavity. An adjustment cavity is provided in the window frame below the louvers, communicating with the cavity, so that when the louvers are lowered, the bottom of the louvers stably abuts against the bottom side wall of the window frame, reducing the possibility of light transmission between the bottom of the louvers and the bottom of the window frame when the louvers are closed.

[0004] However, the above solutions have the following shortcomings: Although the patent with announcement number CN103556918A uses a spacer shell to shield the gap between the louvers and the spacer (aluminum alloy frame), the installation of the spacer shell reduces the light-transmitting area of ​​the insulated glass. Moreover, for insulated louvered glass with single-sided control, the spacer shell can only be installed on one side, and the edges of both sides of the louvers cannot be shielded simultaneously. The counterweight in the patent with announcement number CN111794664A can only shield the gap between the bottom of the louvers and the bottom of the aluminum alloy frame. How can we improve upon the single-sided control of insulated louvered glass and provide a retractable light-shielding treatment for the gap between the louvers and the side wall and bottom surface of the aluminum alloy frame when the louvers are lowered under the control of the magnetic transmission manual drive device? Summary of the Invention

[0005] The purpose of this invention is to provide a magnetic drive manual drive device for built-in blinds in insulated glass, so as to solve the problems existing in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A magnetic drive manual drive device for built-in blinds in insulated glass includes a built-in blind composed of an insulated glass body, a frame, a louver assembly, a louver-turning rope winder, and magnetic control accessories. A partition frame is provided at one corner of the frame. The louver-turning rope winder and the magnetic control accessories are both provided on the partition frame and are used to control the lifting, lowering, and angle rotation of the louver assembly. A corrugated air storage section is provided on the partition frame located on the bottom inner surface of the frame. The lifting and lowering motion of the pre-set inner magnetic slider on the magnetic control accessories stretches or compresses the corrugated air storage section. A side light-shielding plate is provided on the inner wall of the frame opposite to the side of the partition frame.

[0008] The bottom end face of the inner side of the frame is provided with a bottom light-shielding part and is connected to the exhaust side of the corrugated air storage part. The side wall of the frame is provided with an air-propulsion assembly and is connected to the exhaust side of the corrugated air storage part. When the corrugated air storage part is in a compressed state, the air-propulsion assembly causes the side light-shielding plate, which is in a flat state, to bend towards the side edge of the louver group and block the light. At the same time, the bottom light-shielding part expands after being inflated and blocks the light in the gap below the bottom end face of the louver group.

[0009] Preferably, the inner wall of the frame is provided with a deformation groove, and the frame is provided with a transmission cavity located above the deformation groove. The exhaust side of the corrugated air storage part is connected to the transmission cavity through an air guide pipe. The air propulsion assembly includes a reset spring plate that is slidably disposed on the inner side of the transmission cavity. The side light shield is provided with a compression deformation part in the middle, and a compression rod passes through the compression deformation part. A magnetic plate is slidably disposed at the top end of the compression rod.

[0010] Preferably, a magnetic transmission section is provided between the deformation groove and the transmission cavity, and the reset spring plate and the magnetic plate are magnetically connected at intervals of the magnetic transmission section. The transmission cavity is provided with a silicone rubber expansion part located between the reset spring plate and the end of the air guide pipe. When the corrugated air storage part is in a compressed state, some of the air inside is discharged into the transmission cavity through the air guide pipe and causes the silicone rubber expansion part to expand. The expanded silicone rubber expansion part overcomes the spring force and pushes the reset spring plate to move inward, thereby indirectly causing the magnetic plate to drive the extrusion rod to extrude deformation of the extrusion deformation part. After the extrusion deformation part is deformed, the flat side light shield will be transformed into a figure-eight shape and the side edge of the louver group will be covered.

[0011] Preferably, a reset spring sleeve is provided on the upper part of the deformation groove. The reset spring sleeve slides through the magnetic plate and is used to generate a spring force on the magnetic plate away from the extrusion deformation part. The side light shielding plate has a hollow layer on both sides of the extrusion deformation part and is filled with a rubber layer for covering.

[0012] Preferably, the inner wall of the frame is symmetrically provided with stepped air guide grooves located on the front and rear sides of the deformation groove. The outer port of the stepped air guide groove is provided with a corrugated expansion section and is sealed and fixed to the front and rear side walls of the side shading plate. The inner wall of the transmission cavity is symmetrically provided with air guide channels between the silicone rubber expansion part and the air guide pipe connection end and is connected to the stepped air guide grooves. Air is discharged into the air guide pipe and passes through the air guide channel and the stepped air guide groove in sequence, causing the corrugated expansion section to push the front and rear sides of the side shading plate to bend further outward.

[0013] Preferably, the bottom light-shielding part has a corrugated section for shrinking after deflation, and a pull-down spring is provided between the upper outer wall of the bottom light-shielding part and the bottom end face of the frame. The pull-down spring is used to fit the deflated bottom light-shielding part to the bottom end of the frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the inner magnetic slider slides down and compresses the corrugated air storage part, so that the air inside the corrugated air storage part is discharged into the bottom light-shielding part and the air guide pipe side through the exhaust port end respectively. The bottom light-shielding part is inflated and flipped up, and the gap between the bottom end face of the louver group and the inner bottom end face of the frame is light-shielded.

[0015] The air discharged through the air duct first enters the transmission cavity and pushes the silicone rubber expansion part to expand. The expanded silicone rubber expansion part pushes the return spring plate to move to the left. The return spring plate drives the extrusion rod to move to the left through magnetic transmission. The extrusion rod moving to the left will squeeze the concave part of the extrusion deformation part and reduce its V-shaped opening angle, thereby changing the front and rear sides of the side light shield from a flat state to a V-shaped closing state. At the same time, the air in the transmission cavity will also be discharged into the corrugated expansion section through the air duct and stepped air duct. The corrugated expansion section pushes the front and rear sides of the side light shield a second time and bends it. Finally, the bent side light shield covers the left edge of the louver group and provides light shielding. When the louver group is lowered, the gap between the louver group and the side wall and bottom surface of the frame is shielded in a retractable manner. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of the cross-sectional view;

[0018] Figure 3 for Figure 2 A schematic diagram of the compression and stretching transition states of the corrugated gas storage section;

[0019] Figure 4 for Figure 2 A schematic diagram showing the bending and flattening transition states of the side sunshade.

[0020] Figure 5 for Figure 4 A schematic diagram of the air propulsion component in the main view;

[0021] Figure 6 for Figure 5 Right view cross-sectional diagram of the silicone rubber expansion area;

[0022] Figure 7 for Figure 2 A schematic diagram showing the expansion and retraction of the bottom light-blocking section;

[0023] Figure 8 This is a schematic diagram of the cooperation between the side light shield and the reset spring plate of the present invention.

[0024] In the diagram: 1. Hollow glass body; 2. Frame; 3. Louver assembly; 4. Partition frame; 5. Corrugated air storage section; 6. Side light shield; 7. Bottom light shield; 8. Deformation groove; 9. Transmission chamber; 10. Air guide pipe; 11. Return spring plate; 12. Magnetic plate; 13. Magnetic transmission section; 14. Silicone rubber expansion section; 15. Return spring sleeve rod; 16. Rubber layer; 17. Stepped air guide groove; 18. Corrugated telescopic section; 19. Air guide channel; 20. Pull-down spring; 101. Leaf-turning rope winder; 102. Magnetic control accessories; 201. Inner magnetic slider; 301. Extrusion deformation section; 302. Extrusion rod. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0026] Please see Figure 1-8 The present invention provides a technical solution:

[0027] Example 1:

[0028] A magnetic drive manual operating device for built-in blinds in insulated glass units includes an insulated glass unit 1, a frame 2, a louver assembly 3, a louver winder 101, and a magnetic control accessory 102. The louver winder 101 and magnetic control accessory 102 are publicly available accessories in existing louver systems and are therefore not described in detail. A partition frame 4 is provided at one corner of the frame 2. The partition frame 4 has an L-shaped structure and is used to place the top and right side of the insulated glass unit 1. A groove is pre-set on the lower left side wall of the partition frame 4 to cover the gap when the right edge of the louver assembly 3 descends. Both the louver winder 101 and the magnetic control accessory 102 are mounted on the partition frame 4 and are used to control the louver assembly. The lifting and tilting of 3 are controlled by referring to the single-control louver transmission mechanism and the single-control component in the built-in louver with announcement number CN214170406U. The partition frame 4 is provided with a corrugated air storage part 5 located on the bottom surface of the inner side of the frame 2. The corrugated air storage part 5 is filled with nitrogen for its expandable expansion. The inner magnetic slider 201 pre-set on the magnetic control accessory 102 stretches or compresses the corrugated air storage part 5 by lifting and lowering. The bottom surface of the corrugated air storage part 5 has two exhaust ports, which can suck in or vent air according to the state of the corrugated air storage part 5. The inner side wall of the frame 2 is provided with a side shading plate 6 opposite to the side of the partition frame 4.

[0029] The bottom end face of the inner side of the frame 2 is provided with a bottom light-shielding part 7 and is connected to the exhaust side of the corrugated air storage part 5. The side wall of the frame 2 is provided with an air-propulsion assembly and is connected to the exhaust side of the corrugated air storage part 5. When the corrugated air storage part 5 is in a compressed state, the air-propulsion assembly causes the side light-shielding plate 6, which is in a flat state, to bend towards the side edge of the louver group 3 and provide light-shielding. At the same time, the bottom light-shielding part 7 is inflated and expands to provide light-shielding to the gap below the bottom end face of the louver group 3.

[0030] Example 2:

[0031] See Figure 4 , Figure 5 and Figure 8 Based on Embodiment 1, the inner wall of the frame 2 is provided with a deformation groove 8, which has a funnel-shaped structure. The frame 2 also has a transmission cavity 9 located above the deformation groove 8. The exhaust side of the corrugated air storage section 5 is connected to the transmission cavity 9 via an air guide pipe 10. Furthermore, the pneumatic propulsion assembly includes a return spring plate 11 slidably disposed inside the transmission cavity 9. The return spring plate 11 is composed of a spring and an iron plate. The spring exerts a rightward spring thrust on the iron plate. Figure 8 As shown, a compression deformation part 301 is provided in the middle of the side light shield 6. The compression deformation part 301 has a ∧-shaped structure, and a compression rod 302 passes through the inside of the compression deformation part 301. The compression deformation part 301 and Side sunshade 6Both sides are made of steel sheet material. Similarly, the steel sheet material can be made of shape memory metal so that it can return to its initial flat state after the extrusion force is removed. The top of the extrusion rod 302 is limited and slidably equipped with a magnetic plate 12. The magnetic plate 12 is made of strong magnet, and the frame 2 is made of aluminum alloy material that cannot be magnetically connected to the magnetic plate 12.

[0032] A magnetic transmission section 13 is provided between the deformation groove 8 and the transmission cavity 9. The magnetic transmission section 13 can be constructed of a 1mm thick hard surface wall. The return spring plate 11 and the magnetic plate body 12 are magnetically connected across the magnetic transmission section 13. Inside the transmission cavity 9, a silicone rubber expansion part 14 is provided between the return spring plate 11 and the connecting end of the air guide pipe 10. When the corrugated air storage part 5 is not compressed, the silicone rubber expansion part 14 is flat or slightly concave. At this time, the pushing force generated on the return spring plate 11 will not indirectly cause the extrusion rod 302 and the extrusion deformation part 301 to come into contact. When the corrugated air storage part 5 is compressed, some of the air inside is discharged into the transmission cavity 9 through the air guide pipe 10 and causes the silicone rubber expansion part 14 to expand. When expansion occurs, the pressure on both sides of the silicone rubber expansion part 14 inside the transmission cavity 9 remains balanced. The expanded silicone rubber expansion part 14 overcomes the spring force and pushes the reset spring plate 11 to move inward, thereby indirectly causing the magnetic plate 12 to drive the extrusion rod 302 to extrude deformation of the extrusion deformation part 301. After the extrusion deformation part 301 deforms, the flat side light shield 6 will change into a figure-eight shape and cover the side edge of the louver group 3, thus shading the gap between the side edge of the louver group 3 and the frame 2. At the same time, the figure-eight design of the side light shield 6 can limit the lifting path of the louver group 3, preventing the louver group 3 from scratching the hollow glass 1 when it is installed at an angle.

[0033] In another embodiment, the magnetic transmission section 13 is sealed with 1mm thick soft silicone rubber. When the magnetic transmission section 13 is made of soft silicone rubber, the pressure inside the transmission cavity 9 on both sides of the silicone rubber expansion part 14 can be adaptively adjusted. When the silicone rubber expansion part 14 expands to the left, the magnetic transmission section 13 deforms to offset the pressure difference inside the transmission cavity 9.

[0034] Example 3:

[0035] Based on Embodiment 2, a reset spring sleeve 15 is provided on the upper part of the deformation groove 8. The reset spring sleeve 15 slides through the magnetic plate body 12 and is used to generate a spring force on the magnetic plate body 12 away from the extrusion deformation part 301. The side wall of the magnetic plate body 12 has a pre-set perforation for the sliding passage of the reset spring sleeve 15. The side light shield 6 has a pre-set hollow layer on both sides of the extrusion deformation part 301 and is filled with a rubber layer 16 for covering. The setting of the rubber layer 16 can reduce the amount of metal material used in the side light shield 6, reduce costs, and avoid rigid frictional collision between the side light shield 6 and the louver group 3 when the edge of the louver group 3 is raised and lowered and swings left and right. It protects the edge of the louver group 3 from frictional damage. In addition, the setting of the rubber layer 16 can also reduce the stress that causes the side light shield 6 to bend, thereby indirectly optimizing the inflation amount and volume ratio of the corrugated air storage part 5.

[0036] The inner wall of the frame 2 is symmetrically provided with stepped air guide grooves 17 located on the front and rear sides of the deformation groove 8. The outer port of the stepped air guide groove 17 is provided with a corrugated telescopic section 18, which is sealed and fixed to the front and rear side walls of the side light shield 6. When the corrugated telescopic section 18 is inflated, it can extend its length and generate an outward pushing force on the side light shield 6. The inner wall of the transmission cavity 9 is symmetrically provided with an air guide channel 19 located between the silicone rubber expansion part 14 and the connecting end of the air guide pipe 10, which is connected to the stepped air guide groove 17. The air discharged into the air guide pipe 10 passes through the air guide channel 19 and the stepped air guide groove 17 in sequence, causing the corrugated telescopic section 18 to push the front and rear sides of the side light shield 6 to bend further outward.

[0037] Example 4:

[0038] Based on Embodiment 1, the bottom light-shielding part 7 has a corrugated section for shrinking after deflation. The bottom light-shielding part 7 is constructed of rubber or plastic material with the same structure as the corrugated telescopic tube. It has an inflatable air chamber inside, with a cross-sectional width of 2mm. At the same time, a pull-down spring 20 is provided between the upper outer wall of the bottom light-shielding part 7 and the bottom end face of the frame 2. The pull-down spring 20 is used to fit the deflated bottom light-shielding part 7 against the bottom end of the frame 2, reducing the obstruction of the view of the hollow glass body 1 when the bottom light-shielding part 7 is deflated into a collapsed state.

[0039] The working principle is as follows: When the louver assembly 3 is lowered by the cooperation of the magnetic control accessory 102 and the leaf-turning rope winder 101, the inner magnetic slider 201 slides down and compresses the corrugated air storage part 5, so that the air inside the corrugated air storage part 5 is discharged into the bottom light-blocking part 7 and the air guide pipe 10 side through the exhaust port end respectively. The air discharged into the bottom light-blocking part 7 overcomes the pull-down spring 20 and causes the bottom light-blocking part 7 to inflate and flip up, so as to block the light from the gap between the bottom end face of the louver assembly 3 and the inner bottom end face of the frame 2 as it is lowered.

[0040] The air discharged through the air duct 10 first enters the transmission chamber 9 and pushes the silicone rubber expansion part 14 to expand. The expanded silicone rubber expansion part 14 pushes the reset spring plate 11 to move to the left. The reset spring plate 11 is magnetically connected to the magnetic plate body 12 through the spaced magnetic transmission section 13 and drives the extrusion rod 302 to move to the left. The extrusion rod 302 moving to the left will extrude the concave part of the extrusion deformation part 301 and reduce its V-shaped opening angle, thereby changing the front and rear sides of the side light shield 6 from a flat state to a V-shaped closing state. At the same time, through the transmission... The air in the moving cavity 9 is also discharged into the corrugated expansion section 18 through the air guide 19 and the stepped air guide groove 17. The corrugated expansion section 18 pushes the side light shield 6 on the front and rear sides twice and bends it, so that the bent side light shield 6 covers the left side edge of the louver group 3 and performs light shielding treatment. The bent side light shield 6 limits the movement direction of the edge of the louver group 3 to avoid scratching the hollow glass body 1. When the louver group 3 descends, the gap between the louver group 3 and the side wall and bottom surface of the frame 2 is treated in a retractable way to provide light shielding.

[0041] Furthermore, the bottom light-shielding part 7 and the side light-shielding plate 6 are attached to the inner wall of the frame 2 when the corrugated air storage part 5 is not compressed, which reduces the amount of light blocking on the light-transmitting area of ​​the hollow glass body 1. They only turn outward and block the gap when the louver group 3 is lowered for use, thereby increasing the field of vision area of ​​the hollow glass body 1 when the louver group 3 is not in use.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A magnetic drive manual operating device for built-in blinds in insulated glass, comprising a built-in blind consisting of an insulated glass body, a frame, a louver assembly, a louver winder and a magnetic control accessory, wherein a partition frame is provided at one corner of the frame, and the louver winder and the magnetic control accessory are both mounted on the partition frame and used to control the lifting, lowering, and angle rotation of the louver assembly, characterized in that: The partition frame is provided with a corrugated gas storage section located on the bottom inner side of the frame. The rising and falling motion of the pre-set inner magnetic slider on the magnetic control accessory stretches or compresses the corrugated gas storage section. The inner wall of the frame is provided with a side shading plate opposite to the side of the partition frame. The bottom end face of the inner side of the frame is provided with a bottom light-shielding part and is connected to the exhaust side of the corrugated air storage part. The side wall of the frame is provided with an air-propulsion assembly and is connected to the exhaust side of the corrugated air storage part. When the corrugated air storage part is in a compressed state, the air-propulsion assembly causes the side light-shielding plate, which is in a flat state, to bend towards the side edge of the louver group and block the light. At the same time, the bottom light-shielding part expands after being inflated and blocks the light in the gap below the bottom end face of the louver group.

2. The magnetic drive manual drive device for built-in blinds in insulated glass according to claim 1, characterized in that: The inner wall of the frame is provided with a deformation groove, and the frame is provided with a transmission cavity located above the deformation groove. The exhaust side of the corrugated air storage part is connected to the transmission cavity through an air guide pipe. The air propulsion assembly includes a reset spring plate that can be slidably arranged in the inner part of the transmission cavity. The side light shield is provided with a compression deformation part in the middle, and a compression rod passes through the compression deformation part. A magnetic plate is slidably arranged at the top of the compression rod.

3. The magnetic drive manual drive device for built-in blinds in insulated glass according to claim 2, characterized in that: A magnetic transmission section is provided between the deformation groove and the transmission cavity. The reset spring plate and the magnetic plate are magnetically connected through the magnetic transmission section. The transmission cavity is provided with a silicone rubber expansion part located between the reset spring plate and the air guide pipe. When the corrugated air storage part is in a compressed state, some of the air inside is discharged into the transmission cavity through the air guide pipe, causing the silicone rubber expansion part to expand. The expanded silicone rubber expansion part overcomes the spring force and pushes the reset spring plate inward, thereby indirectly causing the magnetic plate to drive the extrusion rod to extrude deformation of the extrusion deformation part. After the extrusion deformation part is deformed, the flat side light shield will be transformed into a figure-eight shape and the side edge of the louver group will be covered.

4. The magnetic drive manual drive device for built-in blinds in insulated glass according to claim 3, characterized in that: A reset spring sleeve is provided on the upper part of the deformation groove. The reset spring sleeve slides through the magnetic plate and is used to generate a spring force on the magnetic plate away from the extrusion deformation part. The side light shield has a hollow layer on both sides of the extrusion deformation part and is filled with a rubber layer for covering.

5. The magnetic drive manual drive device for built-in blinds in insulated glass according to claim 3, characterized in that: The inner wall of the frame is symmetrically provided with stepped air guide grooves located on the front and rear sides of the deformation groove. The outer port of the stepped air guide groove is provided with a corrugated expansion section and is sealed and fixed to the front and rear side walls of the side light shield. The inner wall of the transmission cavity is symmetrically provided with an air guide channel between the silicone rubber expansion part and the air guide pipe connection end and is connected to the stepped air guide groove. The air discharged into the air guide pipe passes through the air guide channel and the stepped air guide groove in sequence, causing the corrugated expansion section to push the front and rear sides of the side light shield to bend further outward.

6. The magnetic drive manual drive device for built-in blinds in insulated glass according to claim 1, characterized in that: The bottom light-shielding part has a corrugated section for shrinking after deflation. At the same time, a pull-down spring is provided between the upper outer wall of the bottom light-shielding part and the bottom end face of the frame. The pull-down spring is used to fit the deflated bottom light-shielding part to the bottom end of the frame.

Images