CN211851521U

CN211851521U - Prevent fire door with alarming function

Info

Publication number: CN211851521U
Application number: CN201821840510.XU
Authority: CN
Inventors: 张丰年
Original assignee: Ganzhou Yinyuan Fire Fighting Equipment Co ltd
Current assignee: Ganzhou Yinyuan Fire Fighting Equipment Co ltd
Priority date: 2018-11-09
Filing date: 2018-11-09
Publication date: 2020-11-03
Anticipated expiration: 2028-11-09

Abstract

The utility model discloses a prevent fire door with alarming function, including the door frame, the door leaf, movable pulley and fixed pulley, the door frame includes first gatepost, second gatepost and crossbeam, first gatepost lateral wall top is equipped with the alarm, the backup pad lateral wall is kept away from second gatepost one side and is equipped with the second connecting block, backup pad top one side is equipped with the motor, third connecting block and fourth connecting block, the output shaft one end of motor is equipped with the third pivot, third pivot outer wall is equipped with the reel in the cover between motor and third connecting block, second gatepost one side is kept away from to the backup pad bottom is equipped with wire rope, third pivot outer wall is equipped with first bevel gear in the backup pad outside cover, fourth connecting block top is equipped with the roof, roof top one side is equipped with the fourth pivot, fourth pivot is equipped with the second bevel gear who meshes with first bevel gear in the below of top, fourth. The utility model discloses convenient to use is swift, can realize preventing opening fast of fire door.

Description

Prevent fire door with alarming function

Technical Field

The utility model relates to a prevent fire door technical field, in particular to prevent fire door with alarming function.

Background

The fire door is used for maintaining the fire-resistant integrity of a fire passage and providing an escape way, and aims to ensure that people who are escaping from the fire passage are protected from being threatened by fire in a reasonable time period, including the blockage of dense smoke and heat, so that the fire door is an important component of fire fighting equipment and is an important part in social fire prevention, and therefore the quality and the use problem of the fire door are the key to the success or failure of fire prevention. At present, fire doors with alarm functions are used in many places.

The existing fireproof door with the alarm function has the advantages that after a fire disaster happens, air is heated and expanded to cause the pressure in a room to rise, the pressure acts on the door, the area of the door is large, the stress is also large, and the fireproof door is difficult to open.

Disclosure of Invention

The utility model discloses a main aim at provides a prevent fire door with alarming function can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fireproof door with an alarming function comprises a door frame, a door leaf, a movable pulley and a fixed pulley, wherein the door frame comprises a first door post, a second door post and a cross beam, the door leaf is arranged between the first door post and the second door post, the door leaf and the second door post are connected through a hinge, an alarm is arranged at the top of the side wall of the first door post, a first connecting block is arranged at one side, close to the first door post, of the top of the side wall of the door leaf, the first connecting block and the movable pulley are connected through a first rotating shaft, a supporting plate is arranged at the top of the side wall of the second door post, a supporting rod is arranged at the center of the bottom of the supporting plate, one end of the supporting rod is connected with the second door post, a control box is arranged at the bottom of the side wall of the second door post, a second connecting block is arranged at one side, far away from the second door post, of, a motor, a third connecting block and a fourth connecting block are arranged on one side of the top of the supporting plate, the third connecting block is arranged between the motor and the fourth connecting block, a third rotating shaft is arranged at one end of an output shaft of the motor and penetrates through the third connecting block, a winding drum is sleeved on the outer wall of the third rotating shaft between the motor and the third connecting block, a steel wire rope is arranged on one side of the bottom of the supporting plate, which is far away from the second door post, and penetrates through the movable pulley and the fixed pulley, the steel wire rope winds the winding drum, one end of the steel wire rope is connected with the winding drum, a first bevel gear is sleeved on the outer wall of the third rotating shaft on the outer side of the supporting plate, a top plate is arranged on the top of the fourth connecting block, a fourth rotating shaft is arranged on one side of the top plate, and a second bevel, and one end of the fourth rotating shaft is provided with a crank.

Preferably, the first door post and the second door post are respectively arranged on two sides of the bottom of the cross beam.

Preferably, the side wall of the control box is provided with a plurality of buttons.

Preferably, the third rotating shaft is in threaded connection with an output shaft of the motor.

Preferably, the fourth rotating shaft is in threaded connection with the crank.

Preferably, the first bevel gear is in key connection with the third rotating shaft, and the second bevel gear is in key connection with the fourth rotating shaft.

Compared with the prior art, the utility model discloses following beneficial effect has: this prevent fire door with alarming function through setting up movable pulley, fixed pulley, first pivot, second pivot, third pivot, fourth pivot, motor, reel, wire rope, first bevel gear, second bevel gear and crank, can realize preventing opening fast of fire door.

Drawings

Fig. 1 is the utility model relates to a fire door's overall structure schematic diagram is prevented to alarming function.

Fig. 2 is the utility model relates to a prevent fire door A department enlarged schematic diagram with alarming function.

Fig. 3 is the utility model relates to a prevent fire door movable pulley front view with alarming function.

In the figure: 1. a door frame; 2. a door leaf; 3. a crank; 4. a first doorpost; 5. a second doorpost; 6. a cross beam; 7. an alarm; 8. a first connection block; 9. a movable pulley; 10. a fixed pulley; 11. a first rotating shaft; 12. a support plate; 13. a support bar; 14. a control box; 15. a second connecting block; 16. a second rotating shaft; 17. a motor; 18. a third connecting block; 19. a fourth connecting block; 20. a third rotating shaft; 21. a reel; 22. a wire rope; 23. a first bevel gear; 24. a top plate; 25. a fourth rotating shaft; 26. a second bevel gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a fire door with an alarm function comprises a door frame 1, a door leaf 2, a movable pulley 9 and a fixed pulley 10, wherein the door frame 1 comprises a first door post 4, a second door post 5 and a beam 6, the door leaf 2 is arranged between the first door post 4 and the second door post 5, the door leaf 2 and the second door post 5 are connected through a hinge, the top of the side wall of the first door post 4 is provided with an alarm 7, the top of the side wall of the door leaf 2, which is close to the first door post 4, is provided with a first connecting block 8, the first connecting block 8 is connected with the movable pulley 9 through a first rotating shaft 11, the top of the side wall of the second door post 5 is provided with a supporting plate 12, the center of the bottom of the supporting plate 12 is provided with a supporting rod 13, one end of the supporting rod 13 is connected with the second door post 5, the bottom of the side wall of the second door post 5 is provided with a control box 14, the side wall of the, one side of the top of the supporting plate 12 is provided with a motor 17, third connecting block 18 and fourth connecting block 19, third connecting block 18 is located between motor 17 and the fourth connecting block 19, output shaft one end of motor 17 is equipped with third pivot 20, third pivot 20 runs through third connecting block 18, the cover is equipped with reel 21 between motor 17 and third connecting block 18 to the outer wall of third pivot 20, the one side of keeping away from second door post 5 in backup pad 12 bottom is equipped with wire rope 22, wire rope 22 passes movable pulley 9 and fixed pulley 10, wire rope 22 twines reel 21, wire rope 22 one end and reel 21 are connected, third pivot 20 outer wall is equipped with first bevel gear 23 in the outer side cover of backup pad 12, fourth connecting block 19 top is equipped with roof 24, roof 24 top one side is equipped with fourth pivot 25, fourth pivot 25 is equipped with second bevel gear 26 with first bevel gear 23 engaged with in roof 24 below, fourth pivot 25 one end is equipped with crank 3.

The first door post 4 and the second door post 5 are respectively arranged on two sides of the bottom of the cross beam 6; the side wall of the control box 14 is provided with a plurality of buttons; the third rotating shaft 20 is in threaded connection with the output shaft of the motor 17; the fourth rotating shaft 25 is in threaded connection with the crank 3; the first bevel gear 23 is keyed to the third shaft 20 and the second bevel gear 26 is keyed to the fourth shaft 25.

It should be noted that, when the fire door of the present invention is used, the control box 14 controls the motor 17 to operate, the output shaft of the motor 17 drives the third shaft 20 to rotate, and then drives the winding drum 21 to rotate, the winding drum 21 winds the steel wire rope 22, the steel wire rope 22 drives the movable pulley 9 to move to one side of the supporting plate 12 through the fixed pulley 10, and then drives the door leaf 2 to rotate through the first connecting block 8, and gradually opens the door leaf 2, when the electric power is not used, the crank 3 is rotated, the crank 3 drives the fourth shaft 25 to rotate, the fourth shaft 25 drives the second bevel gear 26 to rotate, the second bevel gear 26 drives the first bevel gear 23 to rotate, the first bevel gear 23 drives the third shaft 20 to rotate, the third shaft 20 drives the winding drum 21 to rotate, the winding drum 21 winds the steel wire rope 22, the steel wire rope 22 drives the movable pulley 9 to move to one side, and then drive door leaf 2 through first connecting block 8 and rotate, open door leaf 2 gradually, under the combined action of movable pulley 9 and fixed pulley 10, the effort is halved on acting on crank 3, can open door leaf 2 fast.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent fire door with alarming function, includes door frame (1), door leaf (2), movable pulley (9) and fixed pulley (10), its characterized in that: the door frame (1) comprises a first door post (4), a second door post (5) and a cross beam (6), the door leaf (2) is arranged between the first door post (4) and the second door post (5), the door leaf (2) is connected with the second door post (5) through a hinge, the top of the side wall of the first door post (4) is provided with an alarm (7), one side, close to the first door post (4), of the top of the side wall of the door leaf (2) is provided with a first connecting block (8), a movable pulley (9) and a fixed pulley (10), the first connecting block (8) is connected with the movable pulley (9) through a first rotating shaft (11), the top of the side wall of the second door post (5) is provided with a support plate (12), the center of the bottom of the support plate (12) is provided with a support rod (13), one end of the support rod (13) is connected with the second door post (5), the bottom of the side wall of the second door post (5) is provided with a control box (14), the side wall of the supporting plate (12) is far away from one side of the second door post (5) and is provided with a second connecting block (15), the second connecting block (15) is connected with the fixed pulley (10) through a second rotating shaft (16), one side of the top of the supporting plate (12) is provided with a motor (17), a third connecting block (18) and a fourth connecting block (19), the third connecting block (18) is arranged between the motor (17) and the fourth connecting block (19), one end of an output shaft of the motor (17) is provided with a third rotating shaft (20), the third rotating shaft (20) penetrates through the third connecting block (18), a winding drum (21) is sleeved on the outer wall of the third rotating shaft (20) between the motor (17) and the third connecting block (18), a steel wire rope (22) is arranged at the bottom of the supporting plate (12) and far away from one side of the second door post (5), and the steel wire rope (22) penetrates through the movable pulley (9) and the fixed pulley (, wire rope (22) winding reel (21), wire rope (22) one end with reel (21) are connected, third pivot (20) outer wall in backup pad (12) outside cover is equipped with first bevel gear (23), fourth connecting block (19) top is equipped with roof (24), roof (24) top one side is equipped with fourth pivot (25), fourth pivot (25) in roof (24) below be equipped with second bevel gear (26) that first bevel gear (23) meshed, fourth pivot (25) one end is equipped with crank (3).

2. The fire door with an alarm function as claimed in claim 1, wherein: the first doorpost (4) and the second doorpost (5) are respectively arranged on two sides of the bottom of the cross beam (6).

3. The fire door with an alarm function as claimed in claim 1, wherein: the side wall of the control box (14) is provided with a plurality of buttons.

4. The fire door with an alarm function as claimed in claim 1, wherein: the third rotating shaft (20) is in threaded connection with an output shaft of the motor (17).

5. The fire door with an alarm function as claimed in claim 1, wherein: the fourth rotating shaft (25) is in threaded connection with the crank (3).

6. The fire door with an alarm function as claimed in claim 1, wherein: the first bevel gear (23) is in key connection with the third rotating shaft (20), and the second bevel gear (26) is in key connection with the fourth rotating shaft (25).