Fireproof door capable of being automatically opened and closed

Abstract

The utility model discloses an automatic opening and closing fireproof door which comprises a door frame and a fireproof door body movably installed in the door frame, the rear end of the fireproof door body is connected with an opening and closing mechanism, and the front end of the fireproof door body is provided with a fireproof roller shutter mechanism. The fireproof roller shutter mechanism comprises a mounting plate, a movable seat, a pulley I, a fixed seat, a group of pulleys II, a steel wire connecting rope, a door curtain rolling box, a central rod, a clockwork spring and a fireproof roller shutter; and the opening and closing mechanism comprises a hinge seat I, a hinge seat II and an electric push rod. The fireproof door has the advantages that the opening and closing mechanism is connected to the rear end of the fireproof door body, the fireproof door body can be driven to be automatically opened and closed through the electric push rod, safety is higher, when the fireproof door body is opened, the connecting plate can be driven to ascend through the steel wire connecting rope, meanwhile, the fireproof roller shutter is contracted, and personnel can conveniently pass through the fireproof door; and the steel wire connecting rope drives the connecting plate to descend, and meanwhile, the fireproof roller shutter is unfolded, so that the fire behavior blocking effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to an automatic opening and closing fire door. 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 fireproof partitions with certain fire resistance, installed between fire compartments, evacuation stairwells, vertical vertical partitions, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. Fire doors are also an indispensable part of fire safety management. The application of fire doors guarantees our life safety.

[0003] At present, most of the fire doors used are opened manually, which has poor safety. In addition, after a fire occurs, the fire doors have poor fire prevention effect due to their applicability and aesthetics. They only play a role in blocking the fire. Outdoor fires will generate high temperatures that will enter the room through the fire doors, endangering the safety of people inside.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In view of the above defects, the utility model provides an automatic opening and closing fire door to solve the problem of automatic opening and closing of the fire door and blocking the fire.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An automatic opening and closing fireproof door, comprising a door frame and a fireproof door body movably installed in the door frame, the rear end of the fireproof door body is connected to an opening and closing mechanism, and the front end of the fireproof door body is provided with a fireproof rolling shutter mechanism;

[0008] The fireproof rolling shutter mechanism includes a mounting plate, a movable seat, a pulley 1, a fixed seat, a group of pulleys 2, a wire connecting rope, a door curtain winding box, a center rod, a clockwork spring and a fireproof rolling shutter. The mounting plate is mounted on the front end of the top of the door frame, the movable seat is mounted on the left side of the mounting plate, the pulley 1 is mounted on the upper end of the movable seat, the fixed seat is mounted on the mounting plate, a group of pulleys 2 are mounted on both sides of the fixed seat, one end of the wire connecting rope is connected to the top of the fireproof door body, and passes through pulley 1 and a group of pulleys 2 respectively, the door curtain winding box is mounted on the rear end of the top of the mounting plate, the center rod is mounted in the door curtain winding box, the clockwork spring is sleeved on the center rod, and the upper end of the fireproof rolling shutter is connected to the clockwork spring.

[0009] Furthermore, the opening and closing mechanism includes an articulated seat 1, an articulated seat 2 and an electric push rod, wherein the articulated seat 1 is installed on one side of the rear end of the door frame, the articulated seat 2 is installed on the rear end of the bottom of the fire door body, and one end of the electric push rod is movably hinged to the articulated seat 1, and the other end is movably hinged to the articulated seat 2.

[0010] Furthermore, one side of the fireproof door body is movably installed in the door frame through a rotating shaft.

[0011] Furthermore, a strip opening corresponding to the fireproof rolling curtain is opened at the bottom of the door curtain rolling box.

[0012] Furthermore, a circular hole is opened at the center of the mounting plate, and the steel wire connecting rope passes through the circular hole.

[0013] Furthermore, a group of fixed rods are installed on both sides of the bottom of the mounting plate, a group of fixed rods are movably sleeved with a group of sliding sleeves, a connecting plate is installed between the group of sliding sleeves, the center of the connecting plate is connected to the other end of the steel wire connecting rope, and the rear end of the connecting plate is connected to the bottom of the fireproof roller shutter.

[0014] The utility model provides an automatic opening and closing fire door, which has the following beneficial effects: an opening and closing mechanism is connected to the rear end of the fire door body, and an electric push rod can be used to drive the fire door body to automatically open and close, which has higher safety; when the fire door body is opened, the connecting plate can be driven to rise by the steel wire connecting rope, and at the same time, the fireproof rolling curtain can be retracted to facilitate the passage of people; when the fire door body is closed, the steel wire connecting rope drives the connecting plate to descend, and at the same time, the fireproof rolling curtain can be unfolded, thereby playing a role in blocking the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of an automatic opening and closing fire door described in the utility model.

[0016] Figure 2 This is a schematic diagram of the installation of the fireproof door body described in the utility model.

[0017] Figure 3 This is a schematic diagram of the installation of the fireproof roller shutter described in the utility model.

[0018] Figure 4 It is a side sectional view of the door curtain rolling box described in the present utility model.

[0019] Figure 5 The utility model is a top view of an automatic opening and closing fire door.

[0020] In the figure: 1. door frame; 2. fireproof door body; 3. mounting plate; 4. movable seat; 5. pulley 1; 6. fixed seat; 7. pulley 2; 8. wire connecting rope; 9. door curtain winding box; 10. center rod; 11. spring; 12. fireproof roller shutter; 13. hinge seat 1; 14. hinge seat 2; 15. electric push rod; 16. rotating shaft; 17. strip mouth; 18. circular hole; 19. fixed rod; 20. sliding bushing; 21. connecting plate. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-5 As shown: an automatic opening and closing fire door, comprising a door frame 1 and a fire door body 2 movably installed in the door frame 1, the rear end of the fire door body 2 is connected to an opening and closing mechanism, and the front end of the fire door body 2 is provided with a fire shutter mechanism; the fire shutter mechanism comprises a mounting plate 3, a movable seat 4, a pulley 1 5, a fixed seat 6, a group of pulleys 2 7, a wire connecting rope 8, a door curtain winding box 9, a center rod 10, a spring spring 11 and a fire shutter 12, the mounting plate 3 is mounted on the front end of the top of the door frame 1, the movable seat 4 is mounted on the left side of the mounting plate 3, the pulley 1 5 is mounted on the upper end of the movable seat 4, the fixed seat 6 is mounted on the mounting plate 3, a group of pulleys 2 7 are mounted on both sides of the fixed seat 6, one end of the steel wire connecting rope 8 is connected to the top of the fire door body 2, and passes through the pulley 1 5 and the group of pulleys 2 7 respectively, the door curtain winding box 9 is mounted on the rear end of the top of the mounting plate 3, the center rod 10 is mounted in the door curtain winding box 9, and the spring spring 11 is sleeved on the center rod 10, The upper end of the fireproof rolling shutter 12 is connected to the clockwork spring 11; the opening and closing mechanism includes an articulated seat 13, an articulated seat 2 14 and an electric push rod 15, the articulated seat 13 is installed on one side of the rear end of the door frame 1, the articulated seat 2 14 is installed on the rear end of the bottom of the fireproof door body 2, one end of the electric push rod 15 is movably hinged to the articulated seat 13, and the other end is movably hinged to the articulated seat 2 14; one side of the fireproof door body 2 is movably installed in the door frame 1 through a rotating shaft 16; the door curtain is rolled up A strip opening 17 corresponding to the fireproof roller shutter 12 is opened at the bottom of the box 9; a circular hole 18 is opened at the center of the mounting plate 3, and the steel wire connecting rope 8 passes through the circular hole 18; a group of fixing rods 19 are installed on both sides of the bottom of the mounting plate 3, and a group of sliding sleeves 20 are movably mounted on a group of fixing rods 19, and a connecting plate 21 is installed between a group of sliding sleeves 20, and the center of the connecting plate 21 is connected to the other end of the steel wire connecting rope 8, and the rear end of the connecting plate 21 is connected to the bottom of the fireproof roller shutter 12.

[0022] Working principle of this embodiment: the electrical equipment used by the fire door is controlled by an external controller, the door frame 1 is a set of side panels, and one side of the fire door body 2 is movably installed in the door frame 1 through a rotating shaft 16;

[0023] When opening and closing: the hinge seat 13 is installed on one side of the rear end of the door frame 1, the hinge seat 2 14 is installed on the rear end of the bottom of the fire door body 2, one end of the electric push rod 15 is movably hinged to the hinge seat 13, and the other end is movably hinged to the hinge seat 2 14, such as Figure 5 As shown, the telescopic end of the electric push rod 15 contracts, which can drive the fire door body 2 to open automatically. Conversely, the telescopic end of the electric push rod 15 extends, which can drive the fire door body 2 to close automatically. The fire door body 2 is opened and closed by the electric push rod 15, which is safer.

[0024] When blocking the fire: the mounting plate 3 is mounted on the front end of the top of the door frame 1, the movable seat 4 is mounted on the left side of the mounting plate 3, the pulley 1 5 is mounted on the upper end of the movable seat 4, the fixed seat 6 is mounted on the mounting plate 3, a set of pulleys 2 7 are mounted on both sides of the fixed seat 6, one end of the steel wire connecting rope 8 is connected to the top of the fire door body 2, and passes through the pulley 1 5 and a set of pulleys 2 7 respectively, the door curtain winding box 9 is mounted on the rear end of the top of the mounting plate 3, the center rod 10 is installed in the door curtain winding box 9, the spring spring 11 is mounted on the center rod 10, and the fireproof roller shutter 1 2 is connected to the clockwork spring 11, a strip opening 17 corresponding to the fireproof rolling curtain 12 is opened at the bottom of the door curtain reel box 9, a circular hole 18 is opened at the center of the mounting plate 3, and the steel wire connecting rope 8 passes through the circular hole 18, a group of fixed rods 19 are installed on both sides of the bottom of the mounting plate 3, a group of sliding sleeves 20 are movably mounted on the fixed rods 19, a connecting plate 21 is installed between the sliding sleeves 20, the center of the connecting plate 21 is connected to the other end of the steel wire connecting rope 8, and the rear end of the connecting plate 21 is connected to the bottom of the fireproof rolling curtain 12, as shown in FIG. Figure 3 — Figure 5 As shown, when the fire door body 2 is opened, the connecting plate 21 can be driven up by the steel wire connecting rope 8, and at the same time, the fireproof rolling curtain 12 can be retracted to facilitate the passage of people. When the fire door body 2 is closed, under the action of gravity, the steel wire connecting rope 8 drives the connecting plate 21 to descend, and at the same time, the fireproof rolling curtain 12 is unfolded, thereby blocking the fire. Pulley 1 5 is located below the left pulley 2 7, and the steel wire connecting rope 8 passes through the bottom of pulley 1 5 and the top of a group of pulleys 2 7 respectively. When the fire door body 2 is opened and closed, the movable seat 4 drives the pulley 1 5 to deflect synchronously.

[0025] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the protection scope of the present utility model.

Claims

1. An automatically opening and closing fireproof door, comprising a door frame (1) and a fireproof door body (2) movably mounted in the door frame (1), characterized in that: The rear end of the fire door body (2) is connected to an opening and closing mechanism, and the front end of the fire door body (2) is provided with a fire shutter mechanism; The fireproof rolling shutter mechanism comprises a mounting plate (3), a movable seat (4), a pulley 1 (5), a fixed seat (6), a set of pulley 2 (7), a steel wire connecting rope (8), a door curtain reel box (9), a center rod (10), a spring spring (11) and a fireproof rolling shutter (12), wherein the mounting plate (3) is mounted on the top front end of the door frame (1), the movable seat (4) is mounted on the left side of the mounting plate (3), the pulley 1 (5) is mounted on the upper end of the movable seat (4), and the fixed seat (6) is mounted on the mounting plate (3). The fireproof door body (2) is provided with a plurality of steel wires, each of which is connected to the top of the fireproof door body (2) and passes through the plurality of steel wires (5) and the plurality of steel wires (7). The fireproof door body (2) is provided with a plurality of steel wires, each of which is connected to the top of the fireproof door body (2) and passes through the plurality of steel wires (5) and the plurality of steel wires (7). The fireproof door body (2) is provided with a plurality of steel wires, each of which is connected to the top of the fireproof door body (2) and passes through the plurality of steel wires (5) and the plurality of steel wires (7). The fireproof door body (2) is provided with a plurality of steel wires, each of which is connected to the top of the fireproof door body (2). The fireproof door body (2) is provided with a plurality of steel wires, each of which is connected to the top of the fireproof door body (2).

2. The automatic opening and closing fire door according to claim 1, characterized in that: The opening and closing mechanism comprises an articulated seat 1 (13), an articulated seat 2 (14) and an electric push rod (15), wherein the articulated seat 1 (13) is mounted on one side of the rear end of the door frame (1), the articulated seat 2 (14) is mounted on the rear end of the bottom of the fireproof door body (2), and one end of the electric push rod (15) is movably hinged to the articulated seat 1 (13), and the other end is movably hinged to the articulated seat 2 (14).

3. The automatic opening and closing fire door according to claim 1, characterized in that: One side of the fireproof door body (2) is movably mounted in the door frame (1) via a rotating shaft (16).

4. The automatic opening and closing fire door according to claim 1, characterized in that: The bottom of the door curtain reel box (9) is provided with a strip-shaped opening (17) corresponding to the fireproof rolling curtain (12).

5. The automatic opening and closing fire door according to claim 1, characterized in that: A circular hole (18) is provided at the center of the mounting plate (3), and the steel wire connecting rope (8) passes through the circular hole (18).

6. The automatic opening and closing fire door according to claim 1, characterized in that: A group of fixing rods (19) are installed on both sides of the bottom of the mounting plate (3); a group of sliding sleeves (20) are movably mounted on the group of fixing rods (19); a connecting plate (21) is installed between the group of sliding sleeves (20); the center of the connecting plate (21) is connected to the other end of the steel wire connecting rope (8), and the rear end of the connecting plate (21) is connected to the bottom of the fireproof rolling curtain (12).

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