Steel door with high sealing performance

Abstract

The utility model discloses a steel door with high sealing performance, which comprises a door body and a door frame, the door body is connected with the door frame through a hinge, a plurality of fixing grooves are formed in the inner wall of the door frame, expansion sealing strips are fixedly arranged in the fixing grooves, a first moving assembly is arranged on the front side of the door frame, and a second moving assembly is arranged on the front side of the door frame. A first elastic sealing strip is arranged on the front side of the door frame through a first moving assembly, a second moving assembly is arranged on the front side of the door frame, and a second elastic sealing strip is arranged on the front side of the door frame through a second moving assembly. When the steel door is opened, the expansion sealing strip can rapidly and automatically expand to block a gap between the door body and the door frame, meanwhile, the first elastic sealing strip can be moved to be in contact with the door body and the door frame through the first moving assembly, the second elastic sealing strip can be moved to be in contact with the door body and the door frame through the second moving assembly, and therefore the sealing performance of the steel door can be improved conveniently; smoke is prevented from entering a room from a gap between the door body and the door frame.

Description

Technical Field

[0001] The utility model relates to the technical field of steel fireproof doors, in particular to a steel door with high sealing performance. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are usually used at the staircase entrances of buildings. Normally closed fire doors can effectively prevent the fire in the corridor from spreading to other floors in the event of a fire. Steel fire doors are a type of fire door. Steel fire doors are made of steel materials to make door frames, door leaf frames and door leaf panels. If the door leaf is filled with materials, they are filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body, and are equipped with fireproof hardware accessories to form doors with certain fire resistance.

[0003] When the existing steel fireproof door is in use, there will be a gap between the door body and the door frame. When a fire occurs outside the house, the fire will produce smoke. At this time, the smoke will easily enter the house through the gap between the door body and the door frame, which may endanger people's personal safety. Therefore, the utility model provides a steel door with high sealing performance. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a steel door with high sealing performance, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A highly sealed steel door comprises a door body and a door frame, wherein the door body is connected to the door frame by a hinge, a plurality of fixed grooves are provided on the inner wall of the door frame, expansion sealing strips are fixedly arranged inside the plurality of fixed grooves, a first movable component is provided on the front side of the door frame, a first elastic sealing strip is provided on the front side of the door frame via the first movable component, a second movable component is provided on the front side of the door frame, and a second elastic sealing strip is provided on the front side of the door frame via the second movable component.

[0007] Preferably, the first movable component includes a first fixed plate arranged on the front side of the door frame, a first electric push rod is fixedly arranged on the inner wall of the first fixed plate, a first adjusting component is arranged at the output end of the first electric push rod, a first movable plate is arranged at the output end of the first electric push rod through the first adjusting component, and the first movable plate is fixedly connected to the first elastic sealing strip.

[0008] Preferably, the first adjusting component includes a first fixed frame arranged at the output end of the first electric push rod, a first motor is fixedly arranged on the inner wall of the first fixed frame, a first screw is fixedly arranged at the output end of the first motor, and the first screw is rotatably connected to the first fixed frame, a first moving block is threadedly connected to the surface of the first screw, and the first moving block is fixedly connected to the first moving plate.

[0009] Preferably, the second movable component includes a second fixed plate arranged on the front side of the door frame, a second electric push rod is fixedly arranged on the inner wall of the second fixed plate, a second adjusting component is arranged at the output end of the second electric push rod, a second movable plate is arranged at the output end of the second electric push rod through the second adjusting component, and the second movable plate is fixedly connected to the second elastic sealing strip.

[0010] Preferably, the second adjustment component includes a second fixed frame arranged at the output end of the second electric push rod, a second motor is fixedly arranged on the inner wall of the second fixed frame, a second screw is fixedly arranged at the output end of the second motor, and the second screw is rotatably connected to the second fixed frame, a second moving block is threadedly connected to the surface of the second screw, and the second moving block is fixedly connected to the second moving plate.

[0011] Preferably, there are multiple second elastic sealing strips, and the multiple second elastic sealing strips are symmetrically distributed.

[0012] Preferably, the first moving block is in an "L"-shaped structure, and is made of steel.

[0013] Compared with the prior art, the beneficial effect of the utility model is that when a fire occurs outside the house, the expansion sealing strip of the highly sealed steel door will expand rapidly and automatically to seal the gap between the door body and the door frame. At the same time, the first elastic sealing strip can be moved to contact with both the door body and the door frame through the first moving component, and the second elastic sealing strip can be moved to contact with both the door body and the door frame through the second moving component, thereby further sealing the gap between the door body and the door frame, thereby improving the sealing of the steel door and preventing smoke from easily entering the house through the gap between the door body and the door frame, thereby preventing people's personal safety from being endangered. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional stereogram of the structure of the utility model;

[0015] Figure 2 It is a front cross-sectional view of the local structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the first moving component of the utility model;

[0017] Figure 4It is a structural schematic diagram of the second moving component of the utility model.

[0018] In the figure: 1. door body; 2. door frame; 3. fixing groove; 4. expansion sealing strip; 5. first fixing plate; 6. first electric push rod; 7. first fixing frame; 8. first motor; 9. first screw; 10. first moving block; 11. first moving plate; 12. first elastic sealing strip; 13. second fixing plate; 14. second electric push rod; 15. second fixing frame; 16. second motor; 17. second screw; 18. second moving block; 19. second moving plate; 20. second elastic sealing strip. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-4A highly sealed steel door comprises a door body 1 and a door frame 2, wherein the door body 1 is connected to the door frame 2 by a hinge, a plurality of fixed grooves 3 are provided on the inner wall of the door frame 2, and expansion sealing strips 4 are fixedly arranged inside the plurality of fixed grooves 3, a first moving assembly is provided on the front side of the door frame 2, a first elastic sealing strip 12 is provided on the front side of the door frame 2 through the first moving assembly, the first moving assembly comprises a first fixed plate 5 provided on the front side of the door frame 2, a first electric push rod 6 is fixedly provided on the inner wall of the first fixed plate 5, a first adjusting assembly is provided on the output end of the first electric push rod 6, a first moving plate 11 is provided on the output end of the first electric push rod 6 through the first adjusting assembly, and the first moving plate 11 is fixedly connected to the first elastic sealing strip 12, and the arrangement of the first moving assembly facilitates the opening and closing of the door frame 2. The position of the first elastic sealing strip 12 is adjusted, the first adjusting component includes a first fixing frame 7 arranged at the output end of the first electric push rod 6, the first fixing frame 7 inner wall is fixedly provided with a first motor 8, the output end of the first motor 8 is fixedly provided with a first screw 9, and the first screw 9 is rotatably connected with the first fixing frame 7, the surface of the first screw 9 is threadedly connected with a first moving block 10, the first moving block 10 is in an "L" shape, and the first moving block 10 is made of steel. The setting of the first moving block 10 made of steel facilitates the first moving block 10 to have a higher structural strength and to be more durable, and the first moving block 10 is fixedly connected with the first moving plate 11, and the setting of the first adjusting component facilitates the first moving The front and rear positions of the plate 11 are adjusted to provide driving force for the front and rear movement of the first movable plate 11. A second movable component is arranged on the front side of the door frame 2. A second elastic sealing strip 20 is arranged on the front side of the door frame 2 through the second movable component. The number of the second elastic sealing strips 20 is multiple, and the multiple second elastic sealing strips 20 are symmetrically distributed. Through the arrangement of the multiple second elastic sealing strips 20, it is convenient to seal the upper and lower gaps between the door body 1 and the door frame 2. The second movable component includes a second fixed plate 13 arranged on the front side of the door frame 2. A second electric push rod 14 is fixedly arranged on the inner wall of the second fixed plate 13. A second adjusting component is arranged on the output end of the second electric push rod 14. A second movable plate 19 is arranged on the output end of the second electric push rod 14 through the second adjusting component. The second movable plate 19 is fixedly connected to the second elastic sealing strip 20. The second movable assembly is configured to facilitate the adjustment of the position of the second elastic sealing strip 20. The second adjusting assembly includes a second fixed frame 15 arranged at the output end of the second electric push rod 14. A second motor 16 is fixedly arranged on the inner wall of the second fixed frame 15. A second screw 17 is fixedly arranged at the output end of the second motor 16. The second screw 17 is rotatably connected to the second fixed frame 15. A second movable block 18 is threadedly connected to the surface of the second screw 17. The second movable block 18 is fixedly connected to the second movable plate 19. The second adjusting assembly is configured to facilitate the adjustment of the front and rear position of the second movable plate 19, so as to provide a driving force for the front and rear movement of the second movable plate 19.When a fire occurs outside the house, the expansion seal strip 4 of the highly sealed steel door will expand automatically and quickly to block the gap between the door body 1 and the door frame 2. At the same time, the first elastic seal strip 12 can be moved to contact both the door body 1 and the door frame 2 through the first moving component, and the second elastic seal strip 20 can be moved to contact both the door body 1 and the door frame 2 through the second moving component, so as to further block the gap between the door body 1 and the door frame 2, thereby improving the sealing of the steel door and preventing smoke from easily entering the house through the gap between the door body 1 and the door frame 2, thereby preventing people from endangering their personal safety.

[0021] During use: when a fire occurs outside the house, the expansion sealing strip 4 will automatically expand quickly to block the gap between the door body 1 and the door frame 2. At the same time, the first electric push rod 6 is started to make the first fixed frame 7 approach each other left and right, so that the first motor 8 and the first screw 9 drive the first moving block 10 to approach each other left and right, drive the first moving plate 11 to approach each other left and right, drive the first elastic sealing strip 12 to approach each other left and right, until the first elastic sealing strip 12 approaches each other left and right to a suitable position, start the first motor 8, make the first screw 9 rotate, make the first moving block 10 move backward, drive the first moving plate 11 and the first elastic sealing strip 12 to move backward, until the first elastic sealing strip 12 contacts with both the door body 1 and the door frame 2, and then Then start the second electric push rod 14, so that the second fixed frame 15 approaches each other up and down, so that the second motor 16 and the second screw 17 drive the second moving block 18 to approach each other up and down, drive the second moving plate 19 to approach each other up and down, drive the second elastic sealing strip 20 to approach each other up and down, until the second elastic sealing strip 20 approaches each other up and down to a suitable position, start the second motor 16, so that the second screw 17 rotates, so that the second moving block 18 moves backward, drives the second moving plate 19 and the second elastic sealing strip 20 to move backward, until the second elastic sealing strip 20 contacts both the door body 1 and the door frame 2, and the gap between the door body 1 and the door frame 2 is further blocked by the coordinated use of the first elastic sealing strip 12 and the second elastic sealing strip 20.

[0022] To sum up, for this highly sealed steel door, when a fire occurs outside the house, the expansion sealing strip 4 will expand quickly and automatically to block the gap between the door body 1 and the door frame 2. At the same time, the first elastic sealing strip 12 can be moved to contact with both the door body 1 and the door frame 2 through the first moving component, and the second elastic sealing strip 20 can be moved to contact with both the door body 1 and the door frame 2 through the second moving component, thereby further blocking the gap between the door body 1 and the door frame 2, thereby improving the sealing of the steel door, preventing smoke from easily entering the house through the gap between the door body 1 and the door frame 2, and avoiding endangering people's personal safety, thereby solving the problems raised in the above-mentioned background technology.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly sealed steel door, comprising a door body (1) and a door frame (2), characterized in that: The door body (1) is connected to the door frame (2) by a hinge, the inner wall of the door frame (2) is provided with a plurality of fixed grooves (3), and expansion sealing strips (4) are fixedly arranged inside the plurality of fixed grooves (3), a first movable component is arranged on the front side of the door frame (2), and a first elastic sealing strip (12) is arranged on the front side of the door frame (2) through the first movable component, and a second movable component is arranged on the front side of the door frame (2), and a second elastic sealing strip (20) is arranged on the front side of the door frame (2) through the second movable component.

2. A highly sealed steel door according to claim 1, characterized in that: The first moving component comprises a first fixed plate (5) arranged on the front side of the door frame (2); a first electric push rod (6) is fixedly arranged on the inner wall of the first fixed plate (5); a first adjusting component is arranged at the output end of the first electric push rod (6); a first moving plate (11) is arranged at the output end of the first electric push rod (6) through the first adjusting component, and the first moving plate (11) is fixedly connected to a first elastic sealing strip (12).

3. A highly sealed steel door according to claim 2, characterized in that: The first adjustment component comprises a first fixed frame (7) arranged at the output end of the first electric push rod (6), a first motor (8) is fixedly arranged on the inner wall of the first fixed frame (7), a first screw (9) is fixedly arranged at the output end of the first motor (8), and the first screw (9) is rotatably connected to the first fixed frame (7), a first moving block (10) is threadedly connected to the surface of the first screw (9), and the first moving block (10) is fixedly connected to the first moving plate (11).

4. A highly sealed steel door according to claim 1, characterized in that: The second movable assembly comprises a second fixed plate (13) arranged on the front side of the door frame (2), a second electric push rod (14) is fixedly arranged on the inner wall of the second fixed plate (13), a second adjustment assembly is arranged at the output end of the second electric push rod (14), a second movable plate (19) is arranged at the output end of the second electric push rod (14) through the second adjustment assembly, and the second movable plate (19) is fixedly connected to the second elastic sealing strip (20).

5. A highly sealed steel door according to claim 4, characterized in that: The second adjustment component comprises a second fixing frame (15) arranged at the output end of the second electric push rod (14); a second motor (16) is fixedly arranged on the inner wall of the second fixing frame (15); a second screw (17) is fixedly arranged at the output end of the second motor (16); the second screw (17) is rotatably connected to the second fixing frame (15); a second moving block (18) is threadedly connected to the surface of the second screw (17); and the second moving block (18) is fixedly connected to the second moving plate (19).

6. A highly sealed steel door according to claim 1, characterized in that: The number of the second elastic sealing strips (20) is plural, and the plurality of second elastic sealing strips (20) are symmetrically distributed.

7. A highly sealed steel door according to claim 3, characterized in that: The first moving block (10) is in an "L"-shaped structure, and the first moving block (10) is made of steel.

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