CN112145055B

CN112145055B - Sealing protective door

Info

Publication number: CN112145055B
Application number: CN201910565177.9A
Authority: CN
Inventors: 贾春林
Original assignee: Jiangsu Dantes Technology Co ltd
Current assignee: Jiangsu Dantes Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2022-09-27
Anticipated expiration: 2039-06-27
Also published as: CN112145055A

Abstract

The application discloses a sealed guard gate belongs to the door body field. Including the door body and install door body stand on the wall, the door body comprises a plurality of door pieces, the inside track that is equipped with of door body stand, door piece side is equipped with the pulley, the pulley inserts in the track to slide from top to bottom along the track, door body top is equipped with the unit that is used for the driving door body to reciprocate, be equipped with the protective assembly who is used for detecting the object and be used for sealed seal assembly on the door body. Through set up seal assembly on the door body, seal the gap of the door body when the door body is closed to improve the leakproofness of the door body.

Description

Sealing protective door

Technical Field

The application relates to the field of door bodies, in particular to a sealing protection door.

Background

The rolling door is a door which is formed by connecting a plurality of movable door sheets in series and rotates up and down by taking a scroll above the door as a center in a fixed slideway. However, in the research process of the present application, the inventor finds that, after the door body of the existing roller shutter door falls and is closed, large gaps exist between the door body and the front plate at the top of the door body and between the door body uprights, so that the roller shutter door has the problem of poor sealing performance, and is very inconvenient to use.

Disclosure of Invention

The application provides a sealed guard gate to there is the relatively poor problem of leakproofness in solving current rolling slats door.

The utility model provides a sealed guard gate, includes the door body and installs door body stand on the wall, the door body comprises a plurality of door pieces, the inside track that is equipped with of door body stand, door piece side is equipped with the pulley, the pulley inserts in the track to slide from top to bottom along the track, door body top is equipped with and is used for the unit that the drive door body reciprocated, be equipped with the protective assembly who is used for detecting the object and be used for sealed seal assembly on the door body. Through set up seal assembly on the door body, seal the gap of the door body when the door body is closed to improve the leakproofness of the door body.

Preferably, the sealing assembly comprises an upper flip cover sealing plate, a vertical sliding strip, a vertical sliding groove, an upper pressure plate, a lower pressure plate and a spring, the vertical sliding groove is mounted in the door body upright post, the vertical sliding strip is inserted into the vertical sliding groove, and can slide up and down along the vertical sliding groove, an upper pressure plate is arranged at the top of the vertical sliding strip, the upper pressure plate is detachably connected with the vertical sliding strip, the top of the upper pressure plate is provided with a shackle, one end of the spring is fixedly connected with the inner wall of the upright post of the door body, the other end of the spring is connected with the shackle, the side surface of the upper pressure plate is provided with a first jack and a second jack, the side surface of the upper flip sealing plate is inserted into the first jack for fixation, a guide wheel is inserted into the second jack, the guide wheel is positioned below the upper flip cover sealing plate, the lower pressure plate is detachably connected with the vertical slide bar, and when the door body is closed, the door sheet at the bottommost end presses the pinch roller downwards to drive the vertical sliding strip to slide downwards. The lower pressure plate is pressed down when the door body is closed, so that the vertical slide bar and the upper flip cover sealing plate are driven to press down, a gap at the top of the door body is plugged, and the sealing effect is achieved.

Preferably, an inner rubber strip is arranged on one side, close to the door body, of the vertical sliding strip, a rotating mechanism is arranged between the vertical sliding strip and the vertical sliding groove, and the vertical sliding strip moves in the direction parallel to the vertical sliding groove through the rotating mechanism. The lower pressure plate is pressed downwards when the door body is closed, the vertical sliding strip is driven to move along the direction parallel to the vertical sliding groove, the inner rubber strip is pushed to the door body and extruded, and therefore a gap between the side face of the door body and the upright post of the door body is plugged, and the sealing effect is achieved.

Preferably, slewing mechanism includes the connecting block, the through-hole has been seted up at the both ends of connecting block, the pivot has been inserted to the through-hole, the pivot is fixed respectively on founding the draw runner and founding the spout, realizes founding the draw runner and founding the connection of spout.

Preferably, the protection assembly comprises a sliding block strip, a sliding strip and a photoelectric device, the sliding strip is installed on the side face of the door body, the sliding strip is inserted into the sliding block strip and can slide up and down along the sliding block strip, the cross section of the sliding strip is concave, a cavity is formed between the sliding block strip and the sliding strip when the sliding strip is inserted into the sliding block strip, a spring is arranged in the cavity, the bottom end of the spring is fixed on the sliding block strip, the top end of the spring is fixed on the sliding strip, and the photoelectric device is arranged at the bottom of the sliding strip. The cooperation of slider strip, draw runner and spring drives the photoelectric device along with the simultaneous movement of the door body, makes the photoelectric device can examine all routes of door body motion like this to improve and detect the precision.

Preferably, the side surface of the sliding block strip is connected with a bottom plate reinforcing hanging piece, the sliding block strip is connected with the door body through the bottom plate reinforcing hanging piece, the bottom of the side surface of the sliding block strip is provided with an opening, a pull ring is inserted into the opening, the top of the sliding block strip is provided with a pull rod, the bottom of the spring is connected with the pull ring, and the top of the spring is connected with the pull rod. The stability of slider strip installation can be strengthened through the pendant is strengthened to the film, avoids slider strip to appear rocking to guarantee to detect the precision.

Preferably, the bottom of the photoelectric device is provided with a bottom plate, the photoelectric device is detachably mounted on the bottom plate, and the bottom plate is connected with the bottom of the sliding strip. The bottom plate can provide support for the photoelectric device, and meanwhile, the abrasion of the photoelectric device can be reduced, and the service life of the photoelectric device is prolonged.

Preferably, the door body stand includes stand main part and the inside tilting mechanism of embedding stand main part, tilting mechanism includes connector and rotor, connector and rotor all with stand main part side laminating connection, the rotor inserts in the connector to can rotate around the connector. Through having imbedded tilting mechanism in stand main part inside, utilized the cooperation between connector and the rotor, realized that the stand main part can overturn and open to be convenient for maintain door body structural component.

Preferably, a slot is formed in the connector, an opening is formed in the slot, an insertion block is arranged on the rotor, and the insertion block is inserted into the slot and can rotate within the size range of the opening.

Preferably, the length of the opening is smaller than the diameter of the cross section of the insert block. This design can prevent that the inserted block from droing from the slot, ensures the normal rotation of rotor.

Drawings

FIG. 1 is a front view of a seal guard door according to an embodiment of the present application;

FIG. 2 is a schematic view illustrating an installation of a track in a sealing protection door according to an embodiment of the present disclosure;

FIG. 3 is a schematic view illustrating an installation of a pulley in a sealing protection door according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a seal assembly in a seal protection door according to an embodiment of the present disclosure;

fig. 5 is a schematic view illustrating an installation of a vertical sliding strip and a vertical sliding groove in a sealing protection door according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of the installation of an upper pressure plate and a vertical sliding strip in a sealing protection door provided by an embodiment of the present application;

FIG. 7 is a schematic view illustrating the installation of a lower pressure plate and a vertical sliding strip in a sealing protection door according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of an upper pressure plate in a seal protection door according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a lower pressure plate in a sealing protection door according to an embodiment of the present application;

FIG. 10 is a schematic structural view of an upper flap sealing plate in a sealing protection door according to an embodiment of the present disclosure;

FIG. 11 is a side cross-sectional view of a seal assembly of an embodiment of the present application with a seal guard door in an open position;

FIG. 12 is a side cross-sectional view of a seal configuration of a seal guard door according to an embodiment of the present application in a closed position;

FIG. 13 is a schematic structural diagram of a connecting block in a sealing protection door according to an embodiment of the present disclosure;

FIG. 14 is a schematic view of the position of a shield assembly in a sealed shield door according to an embodiment of the present disclosure;

FIG. 15 is a side view of a shield assembly in a sealed shield door according to an embodiment of the present application;

FIG. 16 is a front view of a shield assembly in a sealed shield door according to an embodiment of the present application;

FIG. 17 is a schematic view of a connection structure between a slider bar and a slide bar in a sealing protection door according to an embodiment of the present disclosure;

FIG. 18 is a side view of a slider bar in a seal guard door according to an embodiment of the present application;

FIG. 19 is a top view of a slider bar in a seal guard door according to an embodiment of the present application;

FIG. 20 is a rear view of a slider bar in a seal guard door according to an embodiment of the present application;

FIG. 21 is a side view of a slide bar in a seal guard door according to an embodiment of the present application;

FIG. 22 is a top view of a slide bar in a sealing and protecting door according to an embodiment of the present application;

FIG. 23 is a schematic view of a cavity formed in a sealing protection door according to an embodiment of the present disclosure;

FIG. 24 is a schematic view of an internal structure of a protective assembly in a sealing protective door according to an embodiment of the present disclosure;

FIG. 25 is a schematic view of an installation of a reinforcing attachment for a bottom plate in a sealing protective door according to an embodiment of the present application;

FIG. 26 is a schematic view of a pull ring of a sealing protection door according to an embodiment of the present disclosure;

fig. 27 is a schematic structural diagram of an optoelectronic device in a sealing protection door according to an embodiment of the present disclosure;

fig. 28 is a schematic structural view of a pillar main body in a sealing protection door according to an embodiment of the present application;

fig. 29 is a schematic structural diagram of a turnover mechanism in a sealing protection door according to an embodiment of the present disclosure;

FIG. 30 is a top view of a turnover mechanism in a sealing protection door according to an embodiment of the present disclosure;

FIG. 31 is a schematic view illustrating the rotation of the turnover mechanism in the sealing protection door according to the embodiment of the present application;

FIG. 32 is a top view of a connector in a sealing protection door according to an embodiment of the present disclosure;

FIG. 33 is a top view of a rotor in a seal guard door according to an embodiment of the present application;

FIG. 34 is a side view of a connector in a seal guard door according to an embodiment of the present disclosure;

FIG. 35 is a side view of a rotor in a seal guard door according to an embodiment of the present application.

Wherein: 10-door body, 101-door sheet, 102-pulley, 103-sill adhesive tape, 20-door body column, 201-track, 202-column main body, 203-turnover mechanism, 204-connecting body, 205-rotating body, 206-slot, 207-opening, 208-inserting block, 209-mounting plate, 30-unit, 40-protective component, 401-sliding block strip, 402-sliding strip, 403-photoelectric device, 404-cavity, 405-spring, 406-bottom plate reinforcing hanging piece, 407-opening hole, 408-pull ring, 409-pull rod, 410-bottom plate, 411-first screw hole, 50-sealing component, 501-upper turnover cover sealing plate, 502-vertical sliding strip, 503-vertical sliding slot, 504-upper pressure plate, 505-lower pressure plate, 506-spring, 507-hook ring, 508-first jack, 509-first jack, 510-guide wheel, 511-pressing wheel, 512-inner adhesive tape, 513-rotating mechanism, 514-connecting block, 515-through hole, 516-rotating shaft, 517-groove, 518-slot, 519-second screw hole and 520-upper adhesive tape.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 3, a sealing protection door includes a door body 10 and a door body upright post 20 installed on a wall surface, the door body 10 is composed of a plurality of door sheets 101, a track 201 is arranged inside the door body upright post 20, pulleys 102 are arranged on the side surfaces of the door sheets 101, the pulleys 102 are inserted into the track 201 and slide up and down along the track 201, a machine set 30 for driving the door body 10 to move up and down is arranged at the top of the door body 10, and a protection assembly 40 for detecting an object and a sealing assembly 50 for sealing are arranged on the door body 10.

Referring to fig. 4 to 10, the sealing assembly 50 includes an upper flip cover sealing plate 501, a vertical sliding strip 502, a vertical sliding slot 503, an upper pressure plate 504, a lower pressure plate 505 and a spring 506, the vertical sliding slot 503 is installed in the door body upright post 20, the vertical sliding strip 502 is inserted into the vertical sliding slot 503 and can slide up and down along the vertical sliding slot 503, the top of the vertical sliding strip 502 is provided with the upper pressure plate 504, the upper pressure plate 504 is detachably connected with the vertical sliding strip 502, the top of the upper pressure plate 504 is provided with a shackle 507, one end of the spring 506 is fixedly connected with the inner wall of the door body upright post 20, the other end of the spring 506 is connected with the shackle 507, the side of the upper pressure plate 504 is provided with a first insertion hole 508 and a second insertion hole 509, the side of the upper flip cover sealing plate 501 is inserted into the first insertion hole 508 for fixation, the guide wheel 510 is inserted into the second insertion hole 509, the guide wheel 510 is located below the upper flip cover sealing plate 501, the lower pressure plate 505 is detachably connected with the vertical sliding strip 502, the top of the lower pressure plate 505 is provided with a pressing wheel 511, when the door 10 is closed, the bottom door sheet 101 presses down the pressing wheel 511 to drive the vertical sliding strip 502 to slide downwards.

The top seal of the seal assembly 50 works as follows: when the door body 10 falls and is closed, the door sheet 101 at the bottommost part presses the lower pressure plate 505 downwards, the lower pressure plate 505 drives the vertical slide bar 502 to slide downwards along the vertical slide groove 503 and drives the upper pressure plate 504 to press downwards, at the moment, the spring 506 is stretched, the upper flip cover sealing plate 501 is driven by the upper pressure plate 504 and guided by the guide wheel 510 to press downwards, and a gap at the top of the door body 10 is blocked, so that the sealing effect is achieved; when the door body 10 is lifted and opened, the door sheet 101 at the bottommost part is lifted, the lower pressure plate 505 is released, the vertical slide bar 502 slides upwards along the vertical slide groove 503 under the action of the spring 506, and the upper pressure plate 504 and the upper flip cover sealing plate 501 are driven to lift and return.

Referring to fig. 11 and 12, an inner rubber strip 512 is disposed on one side of the vertical sliding strip 502 close to the door body 10, a rotating mechanism 513 is disposed between the vertical sliding strip 502 and the vertical sliding groove 503, and the vertical sliding strip 502 moves in a direction parallel to the vertical sliding groove 503 through the rotating mechanism 513.

The side seal of the seal assembly 50 works as follows: when the door body 10 falls and is closed, the door sheet 101 at the bottommost part presses the lower pressure plate 505 to drive the vertical sliding strip 502 to move along the direction parallel to the vertical sliding groove 503 through the rotating mechanism 513, the inner rubber strip 512 on the side surface of the vertical sliding strip 502 is extruded to the door body 10, a gap between the side surface of the door body 10 and the door body upright post 20 is blocked, sealing is realized, and the spring 506 is stretched at the moment; when the door body 10 rises and opens, the door sheet 101 at the bottommost end is lifted, the lower pressure plate 505 is released, the vertical slide bar 502 moves along the direction parallel to the vertical slide groove 503 under the action of the spring 506, and the inner rubber strip 512 on the side surface of the vertical slide bar 502 is taken away from the door body 10 and returns.

Referring to fig. 11 to 13, the rotating mechanism 513 includes a connecting block 514, through holes 515 are formed at two ends of the connecting block 514, rotating shafts 516 are inserted into the two through holes 515, the rotating shafts 516 are respectively fixed on the vertical sliding bar 502 and the vertical sliding groove 503 to realize connection between the vertical sliding bar 502 and the vertical sliding groove 503, a groove 517 is formed on the side surface of the vertical sliding bar 502 close to the connecting block 514, and the connecting block 514 falls into the groove 517.

Referring to fig. 8 and 9, a plurality of slots 518 and second screw holes 519 are provided on the upper pressure plate 504 and the lower pressure plate 505, and the upper pressure plate 504 and the lower pressure plate 505 are connected to the vertical slide bar 502 in an insertion manner and are screwed and fixed by inserting locking screws into the second screw holes 519. The upper pressure plate 504 and the lower pressure plate 505 are designed to be detachable, so that the installation and the detachment of the upper pressure plate and the lower pressure plate can be more convenient, and the use is more convenient.

Referring to fig. 14 to 24, the protection assembly 40 includes a slider bar 401, a slider bar 402, and a photovoltaic device 403, where the slider bar 401 and the slider bar 402 are both long, the slider bar 401 is vertically connected to a side surface of the door body 10, a cross section of the slider bar 402 is adapted to a cross section of the slider bar 401, so that the slider bar 402 is inserted into the slider bar 401 and can slide up and down along the slider bar 401, and a cross section of the slider bar 402 is concave, so that when the slider bar 402 is inserted into the slider bar 401, a cavity 404 is formed between the slider bar 402 and the slider bar 401, a spring 405 is vertically disposed inside the cavity 404, a bottom end of the spring 405 is fixed to the slider bar 401, a top end of the spring is fixed to the slider bar 402, and the photovoltaic device 403 is disposed at a bottom of the slider bar 402.

The operation of the guard assembly 40 is as follows: when the door body 10 descends, the door body 10 drives the sliding block strip 401 to descend, the spring 405 arranged in the cavity 404 is compressed by the sliding strip 402 and supports the sliding strip 402 upwards to prevent the sliding strip 402 from falling off, and meanwhile, the photoelectric device 403 arranged at the bottom of the sliding strip 402 also descends along with the sliding strip 402, the sliding block strip 401 and the door body 10; when the door body falls to the ground, the photoelectric device 403 falls to the ground and drives the sliding strip 402 to slide upwards along the sliding block strip 401, so that the door body 10 is ensured to be normally closed; when the door body 10 rises, the door body 10 drives the sliding block strip 401 to rise, and at the moment, the spring 405 is compressed again due to the relative movement of the sliding block strip 401 and the sliding strip 402, and supports the sliding strip 402 and the photoelectric device 403 to rise together with the door body.

By means of the matching of the sliding block strips 401, the sliding strips 402 and the springs 405, the photoelectric device 403 is driven to move along with the door body 10, so that the photoelectric device 403 can check all paths of the movement of the door body 10, the detection precision is improved, and potential safety hazards are reduced.

Referring to fig. 20 and 25, a bottom plate reinforcing hanging piece 406 is connected to the side surface of the slider strip 401, a plurality of first screw holes 411 are formed in the side surface of the slider strip 401, the slider strip 401 is connected with the bottom plate reinforcing hanging piece 406 through locking screws, the slider strip 401 is connected with the door body 10 through the bottom plate reinforcing hanging piece 406, the bottom plate reinforcing hanging piece 406 can improve the mounting stability of the slider strip 401, the slider strip 401 is prevented from shaking, and therefore the detection precision is guaranteed.

Referring to fig. 20, 24 and 26, an opening 407 and a pull ring 408 are arranged at the bottom of the side surface of the slider bar 401, the pull ring 408 falls into the cavity 404 and is inserted into the opening 407 for fixing, a pull rod 409 is arranged at the top of the slider bar 402, the pull rod 409 also falls into the cavity 404 and is fixed on the slider bar 402, the bottom end of the spring 405 is connected with the pull ring 408, and the top end is connected with the pull rod 409.

Referring to fig. 27, a bottom plate 410 is disposed at the bottom of the photoelectric device 403, the photoelectric device 403 is mounted on the bottom plate 410 by screws, and the bottom plate 410 is connected to the bottom of the slide bar 402. The bottom plate 410 can provide support for the photovoltaic device 403, and can reduce wear of the photovoltaic device 403 and prolong the service life thereof.

Referring to fig. 28, fig. 29, fig. 30, fig. 34 and fig. 35, the door body pillar 20 includes a pillar main body 202 and a turnover mechanism 203 embedded in the pillar main body 202, the turnover mechanism 203 includes a connecting body 204 and a rotating body 205, the connecting body 204 and the rotating body 205 are both long and are vertically embedded in the pillar main body 202 from top to bottom, mounting plates 209 are respectively disposed on the connecting body 204 and the rotating body 205, a plurality of screw holes are disposed on the mounting plates 209, and the connecting body 204 and the rotating body 205 are attached to and connected with the side surface of the pillar main body 202 through locking screws.

Referring to fig. 30 to 33, the connecting body 204 is provided with a slot 206, the slot 206 is provided with an opening 207, the rotating body 205 is provided with an insert block 208, the insert block 208 is inserted into the slot 206 and can rotate within the size range of the opening 207, wherein the insert block 208 and the slot 206 are both cylindrical, and the length of the opening 207 is smaller than the diameter of the cross section of the insert block 208, so that the insert block 208 is prevented from falling off from the slot 206 while the insert block 208 is ensured to normally rotate.

When a problem occurs in the door body structural part and the maintenance is needed, the upright post main body 202 can be turned over and opened only by rotating the rotating body 205 around the connecting body 204, the upright post main body 202 does not need to be integrally detached, the use and the operation are simple and convenient, and the door body structural part has strong practicability.

Referring to fig. 3, the bottom of the door body 10 is provided with a bottom beam adhesive tape 103, and the bottom beam adhesive tape 103 is detachably connected with the door body 10. The bottom beam rubber strip 103 can enhance the sealing performance of the door body 10, reduce the abrasion between the bottom of the door body 10 and the ground and prolong the service life of the door body.

Referring to fig. 10, an upper adhesive tape 520 is disposed at the tail of the upper flip cover sealing plate 501, and the upper adhesive tape 520 is detachably connected to the upper flip cover sealing plate 501. Go up adhesive tape 520 and can assist flip closing plate 501 to seal up equally to and reduce the wearing and tearing that produce in the use of flip closing plate 501, simultaneously, go up adhesive tape 520 detachable design can be convenient for maintain or change, have stronger practicality.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The sealing protection door is characterized by comprising a door body (10) and a door body upright post (20) arranged on a wall surface, wherein the door body (10) consists of a plurality of door sheets (101), a track (201) is arranged inside the door body upright post (20), a pulley (102) is arranged on the side surface of each door sheet (101), the pulley (102) is inserted into the track (201) and slides up and down along the track (201), a unit (30) for driving the door body (10) to move up and down is arranged at the top of the door body (10), and a protection assembly (40) for detecting an object and a sealing assembly (50) for sealing are arranged on the door body (10);

the sealing assembly (50) comprises an upper flip cover sealing plate (501), a vertical sliding strip (502), a vertical sliding groove (503), an upper pressure plate (504), a lower pressure plate (505) and a spring (506), wherein the vertical sliding groove (503) is installed in a door body upright post (20), the vertical sliding strip (502) is inserted into the vertical sliding groove (503) and can slide up and down along the vertical sliding groove (503), the upper pressure plate (504) is arranged at the top of the vertical sliding strip (502), the upper pressure plate (504) is detachably connected with the vertical sliding strip (502), a hook ring (507) is arranged at the top of the upper pressure plate (504), one end of the spring (506) is fixedly connected with the inner wall of the door body upright post (20), the other end of the spring is connected with the hook ring (507), a first insertion hole (508) and a second insertion hole (509) are arranged on the side surface of the upper pressure plate (504), and the side surface of the upper flip cover sealing plate (501) is inserted into the first insertion hole (508) for fixation, a guide wheel (510) is inserted into the second insertion hole (509), the guide wheel (510) is positioned below the upper flip cover sealing plate (501), the lower pressure plate (505) is detachably connected with the vertical sliding strip (502), a pressing wheel (511) is arranged at the top of the lower pressure plate (505), and when the door body (10) is closed, the pressing wheel (511) is pressed downwards by the door sheet (101) at the bottommost end to drive the vertical sliding strip (502) to slide downwards;

the protection assembly (40) comprises a sliding block strip (401) installed on the side face of the door body, a sliding strip (402) and a photoelectric device (403), the sliding strip (402) is inserted into the sliding block strip (401) and can slide up and down along the sliding block strip (401), the cross section of the sliding strip (402) is concave, when the sliding strip (402) is inserted into the sliding block strip (401), a cavity (404) is formed between the sliding block strip (401) and the sliding strip (402), a spring (405) is arranged in the cavity (404), the bottom end of the spring (405) is fixed on the sliding block strip (401), the top end of the spring is fixed on the sliding strip (402), and the photoelectric device (403) is arranged at the bottom of the sliding strip (402);

the side of the sliding block strip (401) is connected with a bottom plate reinforcing hanging piece (406), the sliding block strip (401) is connected with the door body (10) through the bottom plate reinforcing hanging piece (406), the bottom of the side of the sliding block strip (401) is provided with an opening (407), a pull ring (408) is inserted into the opening (407), the top of the sliding block strip (402) is provided with a pull rod (409), the bottom of the spring (405) is connected with the pull ring (408), and the top of the spring is connected with the pull rod (409).

2. The sealing protective door according to claim 1, wherein an inner rubber strip (512) is arranged on one side of the vertical sliding strip (502) close to the door body (10), a rotating mechanism (513) is arranged between the vertical sliding strip (502) and the vertical sliding groove (503), and the vertical sliding strip (502) moves in a direction parallel to the vertical sliding groove (503) through the rotating mechanism (513).

3. The seal protection door according to claim 2, wherein the rotating mechanism (513) comprises a connecting block (514), through holes (515) are formed in two ends of the connecting block (514), a rotating shaft (516) is inserted into the through holes (515), and the rotating shaft (516) is respectively fixed on the vertical sliding strip (502) and the vertical sliding groove (503) to realize connection between the vertical sliding strip (502) and the vertical sliding groove (503).

4. The seal protection door according to claim 1, characterized in that a bottom plate (410) is arranged at the bottom of the photoelectric device (403), the photoelectric device (403) is detachably mounted on the bottom plate (410), and the bottom plate (410) is connected with the bottom of the slide bar (402).

5. The door of claim 1, wherein the door body pillar (20) comprises a pillar body (202) and a turnover mechanism (203) embedded in the pillar body (202), the turnover mechanism (203) comprises a connecting body (204) and a rotating body (205), the connecting body (204) and the rotating body (205) are both attached to the side of the pillar body (202), and the rotating body (205) is inserted into the connecting body (204) and can rotate around the connecting body (204).

6. The door according to claim 5, wherein the connecting body (204) has a slot (206), the slot (206) has an opening (207), the rotating body (205) has an insert (208), and the insert (208) is inserted into the slot (206) and can rotate within the size of the opening (207).

7. The seal guard door of claim 6, characterized in that the length of the opening (207) is smaller than the diameter of the cross section of the insert (208).