An s-shaped door frame structure

Abstract

This invention relates to the field of door frame technology, specifically an S-shaped door frame structure, comprising: a door frame; a sealing device disposed inside the door frame and extending to the surface of the door frame; wherein, the sealing device includes a side sealing mechanism longitudinally disposed on the surface of the door frame, a sealing adjustment mechanism disposed on one side of the side sealing mechanism, a top sealing mechanism disposed between the two side sealing mechanisms, and an anti-pinch mechanism disposed on the side of the side sealing mechanism away from the sealing adjustment mechanism, the anti-pinch mechanism extending to the outside of the door frame; the side sealing mechanism includes a hinge, a push-acting assembly, and a sealing assembly; by providing the side sealing mechanism and the top sealing mechanism, the contact area between the door panel and the door frame can be sealed under the action of the side sealing mechanism and the top sealing mechanism, reducing wear caused by opening and closing the door panel, thereby ensuring the sealing effect of the gaps.

Description

Technical Field

[0001] This invention relates to the field of door frame technology, and in particular to an S-shaped door frame structure. Background Technology

[0002] S-shaped door frames, where the filling material between the outer casing and the outer frame is distributed in an S-shape, are a commonly used type of door frame. They are widely used in double-door applications such as shopping malls, but are relatively less common in homes. Existing door frames generally have a sealing gasket at the contact point between the inner frame and the door panel to ensure a tight seal. However, sealing gaps with the gasket will wear down under the constant opening and closing of the door, reducing its sealing function and affecting the sealing effect on the gaps. Summary of the Invention

[0003] The purpose of this invention is to provide an S-shaped door frame structure to solve the above-mentioned problems, thereby improving the sealing effect of the door panel by providing an S-shaped door frame structure. This structure addresses the issue that sealing gaps with a gasket will wear down under long-term opening and closing operations, reducing the sealing function of the gasket and affecting the sealing effect of the gaps.

[0004] The present invention achieves the above-mentioned objective through the following technical solution: an S-shaped door frame structure, comprising: a door frame; a sealing device, wherein the sealing device is disposed inside the door frame and extends to the surface of the door frame; wherein the sealing device includes a side sealing mechanism longitudinally disposed on the surface of the door frame, a sealing adjustment mechanism is disposed on one side of the side sealing mechanism, a top sealing mechanism is disposed between the two side sealing mechanisms, and an anti-pinch mechanism is disposed on the side of the side sealing mechanism away from the sealing adjustment mechanism, the anti-pinch mechanism extending through to the outside of the door frame; the side sealing mechanism includes a hinge, a jacking assembly, and a sealing assembly, the hinge is connected to the surface of the door panel, the sealing assembly is fixedly connected to the inner wall of the door frame and extends through to the outside of the door frame, the surface of the hinge is fixedly connected to the jacking assembly and the jacking assembly extends through to the inside of the door frame.

[0005] Preferably, the sealing assembly includes two sliding clamps fixedly connected to the inner wall of the door frame. A vertical top plate is slidably connected between the two sliding clamps. A connecting vertical strip is fixedly connected to one end of the vertical top plate away from the sliding clamps. The connecting vertical strip contacts the inner wall of the door frame. A vertical airbag is fixedly connected to the side of the connecting vertical strip away from the vertical top plate. The vertical airbag extends to the outside of the door frame. A first spring is connected between the other side of the connecting vertical strip and the adjacent sliding clamp. With the door closed, the first spring abuts against the connecting vertical strip through the vertical top plate inside the door frame. This causes the connecting vertical strip to move the vertical airbag against the surface of the sealing assembly, achieving a sealing effect while reducing wear on the vertical airbag.

[0006] Preferably, the actuating assembly includes a fixed plate and a side through hole. The fixed plate is fixedly connected to one side of the hinge, and a positioning seat is fixedly connected to the side of the fixed plate near the door frame. The side through hole is opened on the surface of the door frame, and the positioning seat passes through the side through hole and extends into the interior of the door frame. A slide bar is fixedly connected to the surface of the positioning seat, and a sliding sleeve is slidably connected to the surface of the slide bar. The surface of the sliding sleeve contacts the surface of the connecting vertical bar. When the door panel is closed, the arc end of the sliding sleeve will first abut against one side of the connecting vertical bar, causing the connecting vertical bar to drive the vertical airbag into the interior of the door frame. At this time, since there is an acute angle between the positioning seat and the fixed plate, when the door panel is fully closed, the sliding sleeve and the connecting vertical bar will briefly separate. Then, after the connecting vertical bar returns to its original position, the arc surface of the sliding sleeve will contact the other side of the connecting vertical bar. The spring maintains the abutting effect on the connecting vertical bar, enhancing the sealing performance of the vertical airbag.

[0007] Preferably, the sealing adjustment mechanism includes a fixed seat and a countersunk hole. The fixed seat is fixedly connected to the inner wall of the door frame, and the countersunk hole is formed on the surface of the door frame. A rotating threaded sleeve is rotatably connected to the inner side of the fixed seat, and a threaded rod is threadedly connected to the inner wall of the rotating threaded sleeve. An adjustment component is provided in the middle of the threaded rod, and the adjustment component extends into the interior of the countersunk hole. An operator operates the adjustment component to rotate the threaded rod. The surface of the threaded rod has two sections of threads in opposite directions. Adjusting two adjacent rotating threaded sleeves to move closer or further apart causes adjacent fixed seats to move synchronously. This allows the adjacent fixed seats to correct the deformed parts of the door frame if it deforms over a long period, thereby ensuring a good seal.

[0008] Preferably, the top sealing mechanism includes a hinge plate hinged to the inner wall of the door frame. A second spring is fixedly connected to the upper end of the hinge plate, and the second spring is also fixedly connected to the inner wall of the door frame. A base plate is fixedly connected to one side of the hinge plate, and a transverse airbag is fixedly connected to the lower end of the base plate, extending through to the lower end of the door frame. The top sealing mechanism is installed in the upper crossbeam door frame. By cooperating with the transverse airbag after the door panel is closed, it achieves a relatively good sealing effect, ensuring that the door panel provides a further seal after closing.

[0009] Preferably, the anti-pinch mechanism includes an arc-shaped plate disposed inside the door frame. The other end of the arc-shaped plate extends through to the outside of the door frame and is fixedly connected to a connecting seat. A positioning strip is fixedly connected to the middle of the arc-shaped plate, and a sealing strip is fixedly connected to the side of the positioning strip closest to the door frame. This anti-pinch mechanism reduces the risk of accidental hand pinching between the door hinge and the door frame during closing operations, thus protecting the operator's hands. Furthermore, the arc-shaped plate is located in specific areas of the longitudinal door frame on both sides, which can be controlled according to the usage environment, preventing accidental finger pinching in children. Simultaneously, the sealing strip, due to its relatively soft material, provides a sealing effect while also offering some protection against finger pinching during closing.

[0010] Preferably, the adjusting assembly includes a rotating column rotatably connected to the inner wall of the door frame. A worm gear is rotatably connected to the other end of the rotating column. A worm wheel is disposed on the side of the worm gear near the threaded rod, and the worm wheel is fixedly connected to the surface of the threaded rod. The worm wheel meshes with the worm gear. A turning head is fixedly connected to the other end of the worm gear. During adjustment, an Allen wrench is inserted into the turning head and rotated, causing the worm gear to rotate synchronously at the end of the rotating column. This causes the meshing worm wheel to rotate as well, which in turn drives the threaded rod to rotate synchronously. When the door panel vibrates upon closing, the meshing connection between the worm wheel and the worm gear reduces the possibility of the worm wheel reversing, thus ensuring the control effect of the sealing adjustment mechanism and guaranteeing the sealing performance of the door hinge.

[0011] Preferably, a fixing block is provided at the lower end of the hinge plate, and the fixing block is fixedly connected to the inner bottom wall of the door frame. A movable cavity is opened at the upper end of the fixing block, and a rotating shaft is rotatably connected to the inner wall of the movable cavity. A rotating head is fixedly connected to the surface of the rotating shaft. One end of the rotating shaft passes through the outside of the fixing block and is fixedly connected to a spring. Two levers are connected to the surface of the rotating head. The fixing block is located in the middle of the hinge plate. When the door panel moves the lower lever, the rotating head will drive the rotating shaft to rotate inside the fixing block. At this time, the spring at the other end of the rotating shaft will generate potential energy, which will cause the upper hinge lever to push the hinge plate and then enter the interior of the upper through hole. At this time, the hinge plate will be reset under the action of the second spring, and the lateral airbag will fit against the upper end of the door panel to achieve a sealing effect on the upper end of the door panel.

[0012] Preferably, guide rods are provided on both sides of the slide bar. The guide rods are fixedly connected to the surface of the sliding sleeve, and the other end of the guide rods extends into the interior of the positioning seat. A spring is sleeved on the surface of the guide rods. By providing guide rods on both sides of the slide bar, the guiding function can be ensured, and the springs can be used to drive the sliding sleeve to reset. When the operator opens the door panel again, the sliding sleeve will compress the spring under the position restriction adjustment of the connecting vertical bar. At this time, the sliding sleeve will move along the slide bar towards the positioning seat, and then move with the door panel to open the door frame.

[0013] Preferably, the surface of the sliding clamp is provided with a guide groove, and guide plates are fixedly connected to both sides of the vertical top plate. The surface of the guide plate is slidably connected to the inner wall of the guide groove. By using the guide groove and guide plates, it can be ensured that the movement trajectory of the vertical top plate will not deviate when the vertical top plate slides between two adjacent sliding clamps, thereby ensuring that the connecting vertical bar drives the vertical airbag to move the door frame and fit against the surface of the fixed plate.

[0014] The beneficial effects of this invention are:

[0015] 1. By setting up side sealing and top sealing mechanisms, the contact area between the door panel and the door frame can be sealed under the action of the side sealing and top sealing mechanisms. Compared with the traditional device that seals gaps by sealing gaskets, which will wear down under long-term opening and closing of the door panel, reducing the sealing function of the gaskets and affecting the sealing effect of the gaps, this device can push the airbag to seal before the door panel is fully closed, so that the airbag will not come into contact with the door panel. When the door panel is fully closed, the airbag that performs the sealing function of the side sealing and top sealing mechanisms will be pushed to fit the door panel under the action of the reset component. Under the action of the airbag, the gap between the door panel and the door frame is sealed. Thus, the airbag that produces the sealing effect is reduced by the wear caused by the opening and closing of the door panel, thereby ensuring the sealing effect of the gaps.

[0016] 2. By setting up a sealing adjustment mechanism, the vertical door frame that has been in operation for a long time can be locally adjusted. Compared with ordinary door frames, which are deformed due to environmental humidity and collisions during long-term use, affecting the sealing effect, this device allows the operating adjustment component to drive the threaded rod to rotate. Under the action of the threaded rod rotation, two adjacent rotating threaded sleeves are moved closer or further apart. Thus, under the action of two fixed seats, the deformed areas of the door frame are adjusted, thereby preventing the door frame from affecting the sealing effect due to deformation during long-term use. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the explosive connection between the jacking assembly and the sealing assembly of the present invention;

[0019] Figure 3 This is a cross-sectional view of the sealing assembly structure of the present invention;

[0020] Figure 4 This is a cross-sectional view of the jacking assembly structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the connection between the rotating threaded sleeve and the threaded rod of the present invention;

[0022] Figure 6 This is a schematic diagram of the adjustment component structure of the present invention;

[0023] Figure 7 This is a schematic diagram of the anti-pinch mechanism of the present invention;

[0024] Figure 8 This is a schematic diagram of the connection between the hinge plate and the base plate of the present invention;

[0025] Figure 9 This is a schematic diagram of the internal structure of the fixing block of the present invention. In the figure: 1. Door frame; 2. Anti-pinch mechanism; 201. Arc-shaped plate; 202. Connecting seat; 203. Positioning strip; 204. Sealing strip; 3. Side sealing mechanism; 301. Hinge; 302. Pushing assembly; 3021. Fixing plate; 3022. Side through hole; 3023. Positioning seat; 3024. Sliding sleeve; 3025. Sliding strip; 3026. Spring; 3027. Guide rod; 303. Sealing assembly; 3031. Vertical top plate; 3032. Sliding clamp; 3033. Connecting vertical bar; 3034. Vertical airbag; 3035. Guide. 3036, guide plate; 3037, first spring; 4, sealing adjustment mechanism; 401, fixed seat; 402, rotating threaded sleeve; 403, threaded rod; 404, adjusting assembly; 4041, worm gear; 4042, rotating column; 4043, worm; 4044, turning head; 405, countersunk hole; 5, top sealing mechanism; 501, hinge plate; 502, base plate; 503, transverse airbag; 504, second spring; 505, fixed block; 506, rotating shaft; 507, rotating head; 508, lever; 509, spring; 510, movable cavity. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] In practical implementation: such as Figure 1-9 As shown, an S-shaped door frame structure includes: a door frame 1; a sealing device disposed inside the door frame 1 and extending to the surface of the door frame 1; wherein, the sealing device includes a side sealing mechanism 3 longitudinally disposed on the surface of the door frame 1, a sealing adjustment mechanism 4 disposed on one side of the side sealing mechanism 3, a top sealing mechanism 5 disposed between the two side sealing mechanisms 3, and an anti-pinch mechanism 2 disposed on the side of the side sealing mechanism 3 away from the sealing adjustment mechanism 4, the anti-pinch mechanism 2 penetrating to the outside of the door frame 1; the side sealing mechanism 3 includes a hinge 301, a jacking assembly 302 and a sealing assembly 303, the hinge 301 is connected to the surface of the door panel, the sealing assembly 303 is fixedly connected to the inner wall of the door frame 1 and penetrates to the outside of the door frame 1, the surface of the hinge 301 is fixedly connected to the jacking assembly 302 and the jacking assembly 302 penetrates to the inside of the door frame 1;

[0028] like Figure 2-6As shown, the sealing assembly 303 includes two sliding clamps 3032 fixedly connected to the inner wall of the door frame 1. A vertical top plate 3031 is slidably connected between the two sliding clamps 3032. A connecting vertical strip 3033 is fixedly connected to one end of the vertical top plate 3031 away from the sliding clamps 3032. The connecting vertical strip 3033 contacts the inner wall of the door frame 1. A vertical airbag 3034 is fixedly connected to one side of the connecting vertical strip 3033 away from the vertical top plate 3031. The vertical airbag 3034 extends to the outside of the door frame 1. The other side of the connecting vertical strip 3033 is connected to the adjacent... A first spring piece 3037 is connected between the sliding clamps 3032. A guide groove 3035 is formed on the surface of the sliding clamp 3032. Guide plates 3036 are fixedly connected to both sides of the vertical top plate 3031. The surface of the guide plates 3036 is slidably connected to the inner wall of the guide groove 3035. The actuating assembly 302 includes a fixed plate 3021 and a side through hole 3022. The fixed plate 3021 is fixedly connected to one side of the hinge 301. A positioning seat 3023 is fixedly connected to the side of the fixed plate 3021 closest to the door frame 1. The side through hole 3022 is formed in the door frame 1. On the surface, the positioning seat 3023 passes through the side through hole 3022 and extends into the interior of the door frame 1. A slide bar 3025 is fixedly connected to the surface of the positioning seat 3023, and a sliding sleeve 3024 is slidably connected to the surface of the slide bar 3025. The surface of the sliding sleeve 3024 contacts the surface of the connecting vertical bar 3033. Guide rods 3027 are provided on both sides of the slide bar 3025. The guide rods 3027 are fixedly connected to the surface of the sliding sleeve 3024, and the other end of the guide rod 3027 passes through into the interior of the positioning seat 3023. A spring is sleeved on the surface of the guide rod 3027. 3026. When the door panel is connected to the hinge 301, the opening and closing of the door panel will drive the top actuation component 302 to move synchronously. This will cause the torsion rod fixing plate 3021 to move synchronously when the door panel is closed. At this time, the fixing plate 3021 will drive the positioning seat 3023 to pass through the side through hole 3022, and the sliding sleeve 3024 will abut against the connecting vertical bar 3033 to move. At this time, when the door panel is about to close, the connecting vertical bar 3033 will abut against the vertical top plate 3031 to move towards the sliding clamp 3032.

[0029] Since the sliding clamp 3032 is fixedly connected to the inner wall of the door frame 1, the movement of the connecting vertical bar 3033 presses the first spring 3037. Through the cooperation of the first spring 3037 and the guide plate 3036, the vertical top plate 3031 moves horizontally. This causes the connecting vertical bar 3033 to move the vertical airbag 3034 into the interior of the door frame 1. When the door is closed, under the action of the first spring 3037, the connecting vertical bar 3033 will move the vertical airbag 3034 back to the fixed plate 3021. At this time, the fixed plate 3021 is in contact with the surface of the door frame 1, and the vertical airbag 3034... 034 will maintain a relatively good sealing effect under the pressure of the fixed plate 3021 and the connecting vertical bar 3033, and reduce the wear of the vertical airbag 3034 caused by the door panel during closing. When the door panel is closed, the sliding sleeve 3024 will return to its original position under the action of the spring 3026, so that the sliding sleeve 3024 will pop out again and contact the other side of the connecting vertical bar 3033. The vertical airbag 3034 reinforces the position of the connecting vertical bar 3033, keeping the connecting vertical bar 3033 in contact with the inner wall of the door frame 1, thereby enhancing the sealing effect of the vertical airbag 3034.

[0030] The sealing adjustment mechanism 4 includes a fixed base 401 and a countersunk hole 405. The fixed base 401 is fixedly connected to the inner wall of the door frame 1, and the countersunk hole 405 is formed on the surface of the door frame 1. A rotating threaded sleeve 402 is rotatably connected to the inner side of the fixed base 401, and a threaded rod 403 is threadedly connected to the inner wall of the rotating threaded sleeve 402. An adjustment component 404 is provided in the middle of the threaded rod 403. The adjustment component 404 extends into the interior of the countersunk hole 405. The adjustment component 404 includes a rotating... The moving column 4042 and the rotating column 4042 are rotatably connected to a worm gear 4043. A worm wheel 4041 is provided on the side of the worm gear 4043 near the threaded rod 403. The worm wheel 4041 is fixedly connected to the surface of the threaded rod 403 and meshes with the worm gear 4043. The other end of the worm gear 4043 is fixedly connected to a turning head 4044. The sealing adjustment mechanism 4 adjusts the door frame deformation during long-term use to prevent it from affecting the seal. This allows for the adjustment of the door frame when some parts are deformed. When the user inserts an Allen wrench into the tightening head 4044, rotating the tightening head 4044 will drive the worm gear 4043 to rotate synchronously at one end of the rotating column 4042. When the worm gear 4043 rotates, it will drive the threaded rod 403 to rotate synchronously through the worm wheel 4041 that meshes with it. When the threaded rod 403 rotates, the rotating threaded sleeves 402 at the upper and lower ends of the threaded rod 403 will move closer or further apart. When two adjacent rotating threaded sleeves 402 move closer together, since the fixed seat 401 is fixedly connected to the inner wall of the door frame 1 and its position remains unchanged, the door frame 1 between the adjacent fixed seats 401 will bulge away from the rotating threaded sleeve 402. When two adjacent rotating threaded sleeves 402 move further apart, the part of the door frame 1 between the adjacent fixed seats 401 will be concave towards the rotating threaded sleeve 402, thereby reducing the impact of deformation of the door frame 1 and ensuring the sealing effect.

[0031] like Figure 7 , Figure 8 and Figure 9As shown, the top sealing mechanism 5 includes a hinge plate 501 hinged to the inner wall of the door frame 1. A second spring piece 504 is fixedly connected to the upper end of the hinge plate 501, and the second spring piece 504 is fixedly connected to the inner wall of the door frame 1. A bottom plate 502 is fixedly connected to one side of the hinge plate 501. A transverse airbag 503 is fixedly connected to the lower end of the bottom plate 502, and the transverse airbag 503 extends to the lower end of the door frame 1. A fixing block 505 is provided at the lower end of the hinge plate 501, and the fixing block 505 is fixedly connected to the inner bottom of the door frame 1. The upper end of the fixed block 505 has a movable cavity 510. A rotating shaft 506 is rotatably connected to the inner wall of the movable cavity 510. A rotating head 507 is fixedly connected to the surface of the rotating shaft 506. One end of the rotating shaft 506 extends through to the outside of the fixed block 505 and is fixedly connected to a spring 509. Two toggle blocks 508 are connected to the surface of the rotating head 507. When the door is about to close, the lower toggle block 508 will be actuated. The lower toggle block 508 is fixedly connected to the surface of the rotating head 507, and the upper toggle block 509... 08 is hinged to the surface of the rotating head 507, and the surface of the hinge plate 501 has an upper through hole. The cross-section of the movable cavity 510 is larger than the cross-section of the upper through hole. When the door panel moves the lower lever 508, the rotating head 507 will drive the rotating shaft 506 to rotate inside the fixed block 505. At this time, the spring 509 at the other end of the rotating shaft 506 will generate potential energy, which will cause the upper hinged lever 508 to push against the hinge plate 501 and then enter the upper through hole. The connecting plate 501 will be reset under the action of the second spring 504. The transverse airbag 503 fits against the upper end of the door panel to achieve a sealing effect. When the door panel is opened, the rotating head 507 will be reset and rotated by the rotating shaft 506 under the reset action of the spring 509. Then the upper hinged toggle block 508 will move in an arc relative to the rotating head 507 while it is rotating. After that, the upper toggle block 508 will slide out of the upper through hole and move into the interior of the movable cavity 510 to complete the reset.

[0032] The anti-pinch mechanism 2 includes an arc-shaped plate 201, which is located inside the door frame 1. The other end of the arc-shaped plate 201 extends to the outside of the door frame 1 and is fixedly connected to a connecting seat 202. A positioning strip 203 is fixedly connected to the middle of the arc-shaped plate 201. A sealing strip 204 is fixedly connected to the side of the positioning strip 203 closest to the door frame 1. The connecting seat 202 is fixed to the surface of the door panel and moves synchronously with the door panel. When the door panel is closed, the arc-shaped plate 201 will move synchronously with the connecting seat 202. At this time, the movement of the arc-shaped plate 201 will drive the positioning strip 203 to rotate synchronously until the door panel is closed, at which point the positioning strip 203 will approach the surface of the door frame 1. At this time, the sealing strip 204 will accumulate between the positioning strip 203 and the door frame 1 to produce a sealing effect. At the same time, the arc-shaped plate 201 reduces the risk of the user's hand being pinched when the door panel is closed, thus protecting the user's safety.

[0033] In use, the operator installs the door panel on the hinge 301 and closes the door panel, causing the door panel to move along with the fixing plate 3021. The fixing plate 3021 moves the positioning seat 3023 through the side through hole 3022, and simultaneously moves the sliding sleeve 3024 through the slide bar 3025 to abut against the connecting vertical bar 3033. The connecting vertical bar 3033 moves under the abutment, causing the vertical airbag 3034 to follow and enter the door frame 1. At this time, the door panel is completely closed, and the sliding sleeve 3024 will first separate from the connecting vertical bar 3033. Then, under the reset action of the first spring piece 3037, the connecting vertical bar 3033 will abut against the inner wall of the door frame 1, while the vertical airbag 3034 moves to the outside of the door frame 1 and against the fixing plate 3021. The surface bonding of 21 achieves a sealing effect, reducing the occurrence of friction on the vertical airbag 3034. When the vertical part of the door frame 1 deforms during long-term use, the screw head 4044 is turned by the Allen wrench. At this time, the screw head 4044 drives the worm gear 4043 to rotate synchronously. The rotation of the worm gear 4043 drives the worm wheel 4041 connected to it to rotate synchronously. As the worm wheel 4041 rotates, the threaded rod 403 will also rotate. In the process of the rotation of the threaded rod 403, the adjacent upper and lower rotating threaded sleeves 402 will move closer or further apart, causing the adjacent fixed seat 401 to adjust the deformed part of the door frame 1, ensuring the sealing effect for long-term use.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An S-shaped door frame structure, characterized in that, include: Door frame (1); A sealing device is disposed inside the door frame (1) and extends to the surface of the door frame (1); The sealing device includes a side sealing mechanism (3) longitudinally arranged on the surface of the door frame (1), a sealing adjustment mechanism (4) is provided on one side of the side sealing mechanism (3), a top sealing mechanism (5) is provided between the two side sealing mechanisms (3), an anti-pinch mechanism (2) is provided on the side of the side sealing mechanism (3) away from the sealing adjustment mechanism (4), and the anti-pinch mechanism (2) extends through to the outside of the door frame (1). The side sealing mechanism (3) includes a hinge (301), a pushing assembly (302), and a sealing assembly (303). The hinge (301) is connected to the surface of the door panel, and the sealing assembly (303) is fixedly connected to the inner wall of the door frame (1). The sealing assembly (303) extends through to the outside of the door frame (1). The surface of the hinge (301) is fixedly connected to the pushing assembly (302), and the pushing assembly (302) extends through to the inside of the door frame (1). The sealing assembly (303) includes two sliding clamps (3032) fixedly connected to the inner wall of the door frame (1). A vertical top plate (3031) is slidably connected between (3032). A connecting vertical strip (3033) is fixedly connected to one end of the vertical top plate (3031) away from the sliding clamp (3032). The connecting vertical strip (3033) contacts the inner wall of the door frame (1). A vertical airbag (3034) is fixedly connected to one side of the connecting vertical strip (3033) away from the vertical top plate (3031). The vertical airbag (3034) extends through to the outside of the door frame (1). A first spring piece (3037) is connected between the other side of the connecting vertical strip (3033) and the adjacent sliding clamp (3032).

2. The S-shaped door frame structure according to claim 1, characterized in that: The top-moving assembly (302) includes a fixed plate (3021) and a side through hole (3022). The fixed plate (3021) is fixedly connected to one side of the hinge (301). A positioning seat (3023) is fixedly connected to the side of the fixed plate (3021) near the door frame (1). The side through hole (3022) is opened on the surface of the door frame (1). The positioning seat (3023) passes through the side through hole (3022) and extends into the interior of the door frame (1). A slide bar (3025) is fixedly connected to the surface of the positioning seat (3023). A sliding sleeve (3024) is slidably connected to the surface of the slide bar (3025). The surface of the sliding sleeve (3024) is in contact with the surface of the connecting vertical bar (3033).

3. The S-shaped door frame structure according to claim 1, characterized in that: The sealing adjustment mechanism (4) includes a fixed seat (401) and a countersunk hole (405). The fixed seat (401) is fixedly connected to the inner wall of the door frame (1). The countersunk hole (405) is opened on the surface of the door frame (1). A rotating threaded sleeve (402) is rotatably connected to the inner side of the fixed seat (401). A threaded rod (403) is threadedly connected to the inner wall of the rotating threaded sleeve (402). An adjustment component (404) is provided in the middle of the threaded rod (403). The adjustment component (404) extends through the interior of the countersunk hole (405).

4. The S-shaped door frame structure according to claim 1, characterized in that: The top sealing mechanism (5) includes a hinge plate (501) hinged to the inner wall of the door frame (1). A second spring piece (504) is fixedly connected to the upper end of the hinge plate (501). The second spring piece (504) is fixedly connected to the inner wall of the door frame (1). A bottom plate (502) is fixedly connected to one side of the hinge plate (501). A transverse airbag (503) is fixedly connected to the lower end of the bottom plate (502). The transverse airbag (503) extends through to the lower end of the door frame (1).

5. An S-shaped door frame structure according to claim 1, characterized in that: The anti-pinch mechanism (2) includes an arc plate (201), which is located inside the door frame (1). The other end of the arc plate (201) extends through to the outside of the door frame (1) and is fixedly connected to a connecting seat (202). A positioning strip (203) is fixedly connected to the middle of the arc plate (201), and a sealing strip (204) is fixedly connected to the side of the positioning strip (203) near the door frame (1).

6. An S-shaped door frame structure according to claim 3, characterized in that: The adjusting assembly (404) includes a rotating column (4042) rotatably connected to the inner wall of the door frame (1). The other end of the rotating column (4042) is rotatably connected to a worm (4043). A worm wheel (4041) is provided on the side of the worm (4043) near the threaded rod (403). The worm wheel (4041) is fixedly connected to the surface of the threaded rod (403). The worm wheel (4041) meshes with the worm (4043). The other end of the worm (4043) is fixedly connected to a turning head (4044).

7. An S-shaped door frame structure according to claim 4, characterized in that: The lower end of the hinge plate (501) is provided with a fixing block (505), which is fixedly connected to the inner bottom wall of the door frame (1). The upper end of the fixing block (505) is provided with a movable cavity (510). The inner wall of the movable cavity (510) is rotatably connected to a rotating shaft (506). A rotating head (507) is fixedly connected to the surface of the rotating shaft (506). One end of the rotating shaft (506) extends through to the outside of the fixing block (505) and is fixedly connected to a spring (509). Two levers (508) are connected to the surface of the rotating head (507).

8. An S-shaped door frame structure according to claim 2, characterized in that: Guide rods (3027) are provided on both sides of the slide bar (3025). The guide rods (3027) are fixedly connected to the surface of the sliding sleeve (3024). The other end of the guide rods (3027) extends into the interior of the positioning seat (3023). A spring (3026) is sleeved on the surface of the guide rods (3027).

9. An S-shaped door frame structure according to claim 1, characterized in that: The sliding clamp (3032) has a guide groove (3035) on its surface, and guide plates (3036) are fixedly connected to both sides of the vertical top plate (3031). The surface of the guide plate (3036) is slidably connected to the inner wall of the guide groove (3035).

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