CN219711394U - Sealing structure of fireproof door - Google Patents

Abstract

The utility model relates to a fireproof door sealing structure in the technical field of fireproof doors. The upper and lower both ends of fire door all install and are used for cooperating the door pocket to carry out confined seal structure to fire door top gap and bottom gap, and elevating gear that is used for controlling seal structure to stretch out and draw back is installed to seal structure's one end. When the door is closed, the handle is pressed downwards to drive the square rod to rotate clockwise, so that the fixed block swings around the axis of the square rod to drive the lifting rod I to move in the groove cavity of the groove I, and synchronously drive the supporting plate to move in the groove cavity of the groove II. The handle drives the square rod to rotate anticlockwise when resetting for the fixed block drives lifter one in step and removes in the inslot of groove one, and then drives the backup pad of installing at outer steel sheet top and removes to the top door pocket of preventing fire door, installs the backup pad of installing in outer steel sheet bottom and removes to ground, increases prevent fire door seal effect, avoid cigarette ash circulation.

Description

Sealing structure of fireproof door

Technical Field

The utility model belongs to the technical field of fireproof doors, and particularly relates to a fireproof door sealing structure.

Background

The common fire door is divided into a normally open fire door and a normally closed fire door, and the normally closed fire door is used for places with fewer personnel such as equipment room and water pump room. However, for the convenience prevents opening and close of fire door, lead to current fire door structure under the closed condition, still there is great gap between bottom and top and the door frame of preventing fire door to, the fire prevention adhesive tape of depositing too long is easy to become invalid, is difficult to fully expand, shutoff to the gap. In addition, when the fire disaster happens, the ash is always dangerous to people, and the ash is easy to circulate to the equipment room from gaps at the top and the bottom of the fireproof door, so that the equipment such as workers, electronics and electric equipment and the like in the equipment room are damaged.

Disclosure of Invention

In order to solve the problem that the ash provided in the background technology is easy to circulate from gaps at the bottom and the top of the fireproof door, the utility model provides the following technical scheme: the utility model provides a prevent fire door seal structure, includes and prevent fire door, prevent fire door's upper and lower both ends all install and be used for cooperating the door pocket to carry out confined seal structure to prevent fire door top gap and bottom gap, the elevating gear that is used for controlling seal structure to stretch out and draw back is installed to seal structure's one end. The fireproof door comprises an outer steel plate, a lock body used for locking the fireproof door in cooperation with a door pocket is arranged in the middle of the outer steel plate, and a control rod used for controlling the lifting device to move up and down is arranged in the middle of the lock body. The sealing structure comprises a supporting plate, a fireproof strip is arranged at one end of the supporting plate, and an elastic fireproof sealing strip for matching with a door pocket to further seal a top gap and a bottom gap of the fireproof door is arranged in the middle of the supporting plate.

Further, a second groove for accommodating the closed structure is formed in the upper end and the lower end of the outer layer steel plate, a first groove for the lifting device to stretch and retract is formed in the outer layer steel plate, and the first groove is communicated to the second groove.

Further, a limiting block used for guiding the lifting device is arranged in the first groove, and a handle used for controlling the control rod to rotate is arranged outside the lock body.

Further, the control rod comprises a short rod for controlling the lifting device to lift, a square rod for controlling the short rod to swing is arranged at one end of the short rod, one end of the handle is connected with one end of the square rod, and a fixed block for being matched with the rotation of the square rod to control the lifting device to lift is arranged at the other end of the short rod.

Further, the lifting device comprises a lifting rod I for controlling the closed structure to move up and down, a lifting rod II for being matched with a lifting control supporting plate of the lifting rod I to lift is installed at one end of the lifting rod I, a limiting groove for the short rod to swing is formed in the other end of the lifting rod I, and a sliding groove for the fixed block to slide is formed in the groove cavity of the limiting groove.

Compared with the prior art, the utility model has the beneficial effects that: when the door is closed, the handle is pressed downwards to drive the square rod to rotate clockwise, so that the fixed block swings around the axis of the square rod to drive the lifting rod I to move in the groove cavity of the groove I, and the supporting plate is synchronously driven to move in the groove cavity of the groove II. The handle drives the square rod and rotates anticlockwise when resetting for the fixed block drives lifter one in step and removes in the inslot of groove one, and then drives the backup pad of installing at outer steel sheet top and removes to the top door pocket of preventing fire door, installs the backup pad in outer steel sheet bottom and removes to ground, and then increases the sealed effect of preventing fire door, avoid cigarette ash circulation.

Drawings

Fig. 1 is a schematic structural view of a sealing structure of the present utility model.

Fig. 2 is a schematic structural view of the fire door of the present utility model.

Fig. 3 is a schematic structural view of the control lever of the present utility model.

Fig. 4 is a schematic structural view of the lifting device of the present utility model.

Fig. 5 is an enlarged view of fig. 4 at B in accordance with the present utility model.

Fig. 6 is a top side view of fig. 1 of the present utility model.

Fig. 7 is an enlarged view of the utility model at a of fig. 1.

The serial numbers in the figures illustrate:

001-fire door;

100-outer steel plates, 110-lock bodies, 111-handles, 120-first grooves, 121-limiting blocks, 130-fireproof boards, 140-second grooves, 01-control rods, 10-square rods, 11-first holes, 20-short rods, 21-thread blocks and 22-fixed blocks;

002-lifting device;

200-of a lifting rod I, 210-of a lifting rod II, 211-of a supporting block I, 212-of a supporting block II, 220-of a limiting groove and 221-of a sliding groove;

003-closed structure;

30-supporting plates, 31-fireproof strips and 32-elastic fireproof sealing strips.

Detailed Description

Preferred embodiments for carrying out the present utility model are described in detail below, and a clear and complete description thereof is provided with reference to the accompanying drawings.

Referring to fig. 1 to 7, the present utility model provides a sealing structure of a fire door, which can effectively separate two areas through the fire door.

When the conflagration takes place, the harm of smog is great, and the smog is easy to circulate to the inside equipment room from the gap of the top and the bottom of preventing fire door, when causing the injury to the personnel in the equipment room, still easily causes the damage to the inside electronic and electrical equipment of equipment room.

The fireproof door sealing structure provided by the utility model can be used for sealing a gap between the fireproof door 001 and a door frame by using the sealing structure 003 when the fireproof door 001 is closed, and further comprises the fireproof door 001 and the lifting device 002.

Elevating gear 002 installs at the middle part of preventing fire door 001, and elevating gear 002 control enclosed construction 003 goes up and down, and enclosed construction 003 fixed connection is in the one end of elevating gear 002 for prevent fire door 001 top and bottom gap and carry out confined enclosed construction 003 to install at preventing fire door 001's upper and lower both ends. Can drive elevating gear 002 through rotating control lever 01 and go up and down, synchronous drive seal structure 003 goes up and down to seal fire door 001 and door pocket's top gap and bottom gap to seal cigarette ash, avoid the circulation of cigarette ash.

Fireproof door 001 is including outer steel sheet 100, and outer steel sheet 100's mid-mounting is used for fireproof door pocket to carry out the dead lock body 110 of lock to fireproof door 001, and the control rod 01 that is used for controlling elevating gear 002 to go on going up and down is still installed at lock body 110's middle part, and the equal fixed mounting in both ends of control rod 01 is used for controlling control rod 01 to carry out pivoted handle 111. The middle part of outer steel sheet 100 has all been offered and has been used for supplying elevating gear 002 to stretch out and draw back groove one 120, and the cell intracavity of groove one 120 has been installed and has been used for carrying out stopper 121 that leads to elevating gear 002, the groove two 140 that are used for accomodating seal structure 003 have all been offered to the top and the bottom of outer steel sheet 100 for seal structure 003 can stretch out and draw back in the cell intracavity of groove two 140, seal structure 003 seals the gap between fire door 001 and the fire door pocket when stretching out to the cell chamber of groove two 140, when through rotating handle 111, drive seal structure 003 and remove to the inner chamber of groove two 140, make fire door 001 can normally open and close. Tank one 120 communicates with tank two 140.

The control rod 01 comprises a square rod 10, a handle 111 is fixedly arranged at two ends of the square rod 10, a short rod 20 for controlling a lifting device 002 to lift is fixedly arranged in the middle of the square rod 10, a first hole 11 for the short rod 20 to stretch out and draw back is formed in the square rod 10, a threaded block 21 for locking the short rod 20 by matching with the first hole 11 is fixedly arranged at one end of the short rod 20, threads are arranged on the threaded block 21, and threads meshed with the threaded block 21 are arranged in a cavity of the first hole 11. The other end of the block body of the short rod 20 is fixedly provided with a fixed block 22 for sliding in the groove cavity of the sliding groove 221, and when the square rod 10 rotates to drive the short rod 20 to swing, the fixed block 22 slides in the groove cavity of the sliding groove 221.

The lifting device 002 comprises a lifting rod one 200 for limiting the closed structure 003, wherein the lifting rod one 200 is fixedly connected to one end of the closed structure 003, and the lifting rod one 200 controls the closed structure 003 to lift. The lifting rod II 210 for lifting by matching with the lifting control supporting plate 30 of the lifting rod I200 is installed at one end of the lifting rod I200, the supporting block I211 for supporting and limiting the closed structure 003 is fixedly installed in the middle of the lifting rod II 210, the supporting block II 212 for supporting and limiting the closed structure 003 by matching with the supporting block I211 is fixedly installed at one end of the lifting rod I200, and one ends of the supporting block I211 and the supporting block II 212 are fixedly connected with the closed structure 003. The other end of the lifting rod II 210 is fixedly arranged at one end of the rod body of the lifting rod I200. When the lifting rod one 200 lifts, the lifting rod two 210 is synchronously driven to lift. A limiting groove 220 for the short rod 20 to swing is formed in one end of the rod body of the lifting rod one 200, a sliding groove 221 for limiting the fixed block 22 is formed in the inner wall of the groove cavity of the limiting groove 220, and the fixed block 22 slides in the groove cavity of the sliding groove 221.

The outer steel sheet 100 further includes a fireproof wood sheet 130. Two ends of the fireproof wood board 130 are provided with a second groove 140 for accommodating the closed structure 003 by matching with the board body of the outer layer steel plate 100. The seal structure 003 is including backup pad 30, and backup pad 30 is steel board, and the mid-mounting of backup pad 30 has prevented fire strip 31, and the elastic fireproof sealing strip 32 that is used for preventing fire door 001 top gap and prevent fire door 001 bottom gap further seal is still installed to the mid-mounting of backup pad 30, and the height of elastic fireproof sealing strip 32 surpasses the height of preventing fire strip 31. When the handle 111 and the ground are kept horizontal, the support plate 30 extends out of the cavity of the second slot 140 and abuts against the top of the door pocket and the ground. When the push handle 111 rotates around the center of the square rod 10, the door is unlocked and the support plate 30 is driven to retract into the cavity of the second groove 140, so that the door can be opened.

Claims (5)

1. A fire door seal structure, includes fire door (001), its characterized in that: the upper end and the lower end of the fireproof door (001) are respectively provided with a sealing structure (003) for sealing a top gap and a bottom gap of the fireproof door (001) by matching with a door pocket, and one end of the sealing structure (003) is provided with a lifting device (002) for controlling the sealing structure (003) to stretch out and draw back; the fireproof door (001) comprises an outer layer steel plate (100), a lock body (110) for locking the fireproof door (001) by matching with a door pocket is arranged in the middle of the outer layer steel plate (100), and a control rod (01) for controlling the lifting device (002) to move up and down is arranged in the middle of the lock body (110); the sealing structure (003) comprises a supporting plate (30), a fireproof strip (31) is arranged at one end of the supporting plate (30), and an elastic fireproof sealing strip (32) for matching with a door pocket to further seal a top gap and a bottom gap of a fireproof door (001) is arranged in the middle of the supporting plate (30).

2. The fire door seal as claimed in claim 1, wherein: the upper end and the lower end of the outer layer steel plate (100) are both provided with a second groove (140) for accommodating the closed structure (003), the inner part of the outer layer steel plate (100) is provided with a first groove (120) for the lifting device (002) to stretch and retract, and the first groove (120) is communicated to the second groove (140).

3. The fire door seal as claimed in claim 2, wherein: a limiting block (121) used for guiding the lifting device (002) is arranged in the groove I (120), and a handle (111) used for controlling the control rod (01) to rotate is arranged outside the lock body (110).

4. The fire door seal as claimed in claim 1, wherein: the control rod (01) comprises a short rod (20) for controlling the lifting device (002) to lift, one end of the short rod (20) is provided with a square rod (10) for controlling the short rod (20) to swing, one end of a handle (111) is connected with one end of the square rod (10), and the other end of the short rod (20) is provided with a fixed block (22) for being matched with the rotation of the square rod (10) and further controlling the lifting device (002) to lift.

5. The fire door seal as claimed in claim 1, wherein: lifting device (002) are including being used for controlling lifter one (200) that seal structure (003) carried out reciprocating, lifter two (210) that are used for the lift control backup pad (30) of cooperation lifter one (200) to go on going up and down are installed to one end of lifter one (200), limit groove (220) that are used for supplying quarter butt (20) to swing are seted up to the other end of lifter one (200), spout (221) that are used for supplying fixed block (22) to slide are seted up to the inslot portion of limit groove (220).