CN214697582U

CN214697582U - Fire-proof rolling shutter door with positioning mechanism

Info

Publication number: CN214697582U
Application number: CN202120992765.3U
Authority: CN
Inventors: 杨东
Original assignee: Sichuan Wenqing Fire Engineering Co ltd
Current assignee: Sichuan Wenqing Fire Engineering Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-12
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a fire prevention rolling slats door with positioning mechanism, including setting up at the box on wall opening part top and the relative connection shell that sets up at the wall opening both sides wall that is located the box below, two the second recess has been seted up to the relative one side of connection shell, the connection shell is through first pulley and fire prevention rolling slats curtain sliding connection in the inside of second recess, the box is inside from last to rotating in proper order down and being connected with second pivot and first pivot, the cover is equipped with the spacing body of roller wheel form and receives the curtain roller in second pivot and first pivot respectively, the box is equipped with positioning mechanism on the top of spacing body. The utility model discloses an it is tensile that the electro-magnet circular telegram drives the spring, lets stopper and second pulley enter into the first recess of the spacing body inside or tightly support the surface of the spacing body, lets the spacing body can't rotate to control fire prevention roll curtain's removal, thereby carry out location scram to fire prevention roll curtain.

Description

Fire-proof rolling shutter door with positioning mechanism

Technical Field

The utility model relates to a fire control technical field especially relates to a fire prevention rolling slats door with positioning mechanism.

Background

The fire-proof rolling curtain is a fire-proof and heat-insulating installation suitable for large opening of building, and its product is designed by adopting the interior-concealed rolling shaft, and has the characteristics of reasonable and compact structure, and can be divided into general type and composite type according to the form of curtain plate.

Fire prevention among the prior art is rolled up curtain, is CN 211201675U's patent discloses a fire prevention roll of curtain like chinese patent publication number, including fire prevention roll of curtain body and be used for the drive fire prevention roll of curtain body rolling and the actuating mechanism of flat-open, the bilateral symmetry of fire prevention roll of curtain body installs burial type guide rail, actuating mechanism includes the box, the box right-hand member is installed fire prevention and is rolled up the rolling door machine for the curtain, the output of rolling door machine is connected with the spool, fire prevention roll of curtain body with the spool winding is connected.

The fire-proof rolling shutter in the above patent has the following disadvantages: this device passes through the rolling of motor direct drive fire prevention roll up body and flat-open, when needs are closed, waits the drive division stop work of motor, can not accomplish easily and stop along with closing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fireproof rolling shutter door with a positioning mechanism.

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

the utility model provides a fire prevention rolling slats door with positioning mechanism, is including setting up the box on wall opening part top and the relative connection shell that sets up at the wall opening both sides wall that is located the box below, two connect the relative one side of shell and seted up the second recess, connect the shell through first pulley and fire prevention rolling slats door sliding connection in the inside of second recess, the box is inside from last to rotating down in proper order and being connected with second pivot and first pivot, the cover is equipped with the spacing body of roller wheel form and receipts curtain roller respectively in second pivot and the first pivot, the box is equipped with positioning mechanism on the top of spacing body, one side of box is equipped with actuating mechanism, the outside of receipts curtain roller is connected with the top of fire prevention rolling slats door.

Furthermore, positioning mechanism includes a plurality of connectors of fixing on the inner wall top of box and a plurality of first recess of setting on the surface of spacing body, the inside of connector is provided with the stopper, the top surface of stopper passes through spring sliding connection with connector inner wall top surface, stopper and connector inner wall bottom surface are provided with first electro-magnet and second electro-magnet respectively relatively, the bottom of stopper extends to the bottom of connector outside and with the first recess looks adaptation of spacing body.

Furthermore, the bottom of stopper is provided with the second pulley, the surface looks adaptation of second pulley and spacing body.

Further, actuating mechanism includes fixed connection in the backup pad of box one side and fixes the motor at the top surface of backup pad, the output shaft and the second pivot fixed connection of motor, the both ends outside of first pivot and second pivot is equallyd divide and is do not overlapped and be equipped with the belt pulley, the belt pulley passes through the belt and connects.

Furthermore, the bottom cover of fire prevention roll screen is equipped with the gravity piece, the bottom of gravity piece is provided with the connection shell, the both sides wall of connecting the shell respectively with two connection shell sliding connection.

Further, the connection housing is in the shape of a long strip plate, and the transverse length of the connection housing is equal to the distance between the two connection housings.

Furthermore, an elastic sleeve is sleeved outside the second pulley.

The utility model has the advantages that:

1. through setting up stopper and spacing body, when the motor rises or descends through belt and belt pulley drive fire prevention roll curtain, in time carry out the scram to fire prevention roll curtain as needs, adsorb first electro-magnet for the circular telegram of second electro-magnet, make the first electro-magnet of pulling move down inside the connector, the spring stretch this moment, let stopper and second pulley enter into the first recess of spacing body inside or tightly support the surface of spacing body, let the spacing body can't rotate, thereby control the removal of fire prevention roll curtain, thereby carry out location scram to fire prevention roll curtain.

2. Through setting up spring and second pulley, when needs let the fire prevention roll screen remove, give second electro-magnet and first electro-magnet outage, give no longer adsorbing each other between second electro-magnet and the first electro-magnet this moment, the spring kick-backs and resets this moment, and the pulling stopper upwards resets, lets stopper and second pulley break away from the first recess of spacing body, lets the surface phase separation of second pulley and spacing body for stopper and second pulley can't carry on spacingly to the spacing body.

3. Connect shell and connection shell through setting up, rotate in the output shaft of motor, let fire prevention roll up curtain when descending, the gravity piece utilizes the first pulley of weight cooperation of self to drive fire prevention roll up curtain gliding to the work position, can effectually alleviate the output shaft load of motor, connects shell cooperation fire prevention roll up curtain and connection shell, can seal the opening part completely, reaches better theftproof effect.

4. Through setting up the elastic sleeve, when the stopper does not carry on spacingly to the spacing body, the second pulley cooperation elastic sleeve can contact with the surface of keeping away from the centre of a circle of the spacing body, and the elastic sleeve avoids second pulley and spacing body to carry out rigidity collision many times to the effectual life who prolongs second pulley and spacing body.

Drawings

Fig. 1 is a structural sectional view of a fire-proof rolling shutter door with a positioning mechanism according to the present invention;

fig. 2 is a sectional view of a connector structure of a fire-proof rolling shutter door with a positioning mechanism according to the present invention;

fig. 3 is a schematic structural view of another alternative of the connector of the fire resistance rolling shutter door with a positioning mechanism according to the present invention.

In the figure: the device comprises a box body 1, a limiting block 2, a connecting body 3, a limiting block 4, a connecting shell 5, a gravity block 6, a first pulley 7, a connecting shell 8, a fireproof roller shutter 9, a roller shutter 10, a first rotating shaft 11, a belt 12, a belt pulley 13, a supporting plate 14, a motor 15, a second rotating shaft 16, a spring 17, a first electromagnet 18, a second electromagnet 19, a second pulley 20 and an elastic sleeve 21.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specification of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. The embodiments described below and the features of the embodiments can be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person without creative work belong to the scope of the present invention, and the mentioned examples are only used for explaining the present invention, not for limiting the scope of the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a fire-proof rolling shutter door with positioning mechanism, including connecting at the long banding box 1 at the wall top and connecting the shell 8 in the bottom surface both sides of box 1 and wall inner wall both sides, the second recess has all been seted up to two relative one sides of connecting shell 8, the inside of second recess is through first pulley 7 and fire-proof rolling shutter 9 sliding connection, the inner wall both sides of box 1 are from last to rotating in proper order down and are connected with second pivot 16 and first pivot 11, it is equipped with roller-shaped spacing body 4 and receipts curtain roller 10 to overlap respectively on second pivot 16 and the first pivot 11, box 1 is equipped with positioning mechanism on spacing body 4's top, one side of box 1 is equipped with actuating mechanism, the outside of receiving curtain roller 10 is connected with fire-proof rolling shutter's top.

The positioning mechanism comprises a plurality of block-shaped connecting bodies 3 fixed at the top end of the inner wall of the box body 1 and a plurality of first grooves which are uniformly arranged on the outer surface of the limiting body 4 in the circumferential direction, a limiting block 2 with a T-shaped section is arranged inside the connecting body 3, the top surface of the limiting block 2 is in sliding connection with the top surface of the inner wall of the connecting body 3 through a spring 17, a first electromagnet 18 and a second electromagnet 19 are respectively arranged on the bottom surfaces of the inner walls of the limiting block 2 and the connecting body 3 oppositely, the bottom end of the limiting block 2 extends out of the bottom end of the connecting body 3 and is matched with the first grooves of the limiting body 4, the bottom end of the limiting block 2 is rotatably connected with a second pulley 20, the second pulley 20 is matched with the outer surface of the limiting body 4, when the limiting block 2 does not limit the limiting body 4, the bottom end of the second pulley 20 can slide on the outer surface of the limiting body 4, when the limiting block 2 limits the limiting body 4, the limiting block 2 enters the first groove of the limiting body 4 to limit and fix the limiting body 4.

The driving mechanism comprises a supporting plate 14 fixedly connected to one side of the box body 1 and a motor 15 fixed on the top surface of the supporting plate 14, an output shaft of the motor 15 is fixedly connected with a second rotating shaft 16, belt pulleys 13 are respectively sleeved outside two ends of the first rotating shaft 11 and the second rotating shaft 16, the belt pulleys 13 are connected through a belt 12, and preferably, the motor 15 can be a 70KTYZ type motor.

The bottom cover of fire prevention roll screen 9 is equipped with the gravity piece 6 that the longitudinal section is the U-shaped, the bottom of gravity piece 6 is connected with connection shell 5, the both sides wall of connection shell 5 respectively with two connection shell 8 sliding connection, reverse at the output shaft of motor 15, drive fire prevention roll screen 9 when descending, gravity piece 6 can utilize the first pulley 7 of weight cooperation of self to drive fire prevention roll screen 9 and slide to the work position, can effectually alleviate the output shaft load of motor 15.

Connect shell 5 to rectangular platelike, the horizontal length of connecting shell 5 equals the interval between two connect the shell 8, when the fire prevention is rolled up curtain 9 and is driven and connect shell and bottom surface contact, connect shell 5 and can cooperate fire prevention to roll up curtain 9 and seal two vertical directions between the shell 8 to can seal the opening part totally, reach better dustproof effect of preventing wind.

The working principle is as follows: when the motor 15 drives the fireproof roller shutter 9 to ascend or descend through the belt 12 and the belt pulley 13, and when the fireproof roller shutter 9 needs to be stopped suddenly in time, the second electromagnet 19 is electrified to adsorb the first electromagnet 18, so that the first electromagnet 18 is pulled to move downwards in the connecting body 3, the spring 17 is stretched, the limiting block 2 and the second pulley 20 enter the first groove of the limiting body 4 or tightly abut against the outer surface of the limiting body 4, the limiting body 4 cannot rotate, the movement of the fireproof roller shutter 9 is controlled, and the fireproof roller shutter 9 is positioned and stopped suddenly;

when the fireproof roller shutter 9 needs to move, the second electromagnet 19 and the first electromagnet 18 are powered off, the second electromagnet 19 and the first electromagnet 18 are not adsorbed to each other at the moment, the spring 17 rebounds to reset at the moment, the limiting block 2 is pulled to reset upwards, the limiting block 2 and the second pulley 20 are separated from the first groove of the limiting body 4, the second pulley 20 is separated from the outer surface of the limiting body 4, and the limiting block 2 and the second pulley 20 cannot limit the limiting body 4;

the output shaft at motor 15 reverses, lets fire prevention roll up curtain 9 when descending, and gravity piece 6 utilizes the first pulley 7 of weight cooperation of self to drive fire prevention roll up curtain 9 gliding to the work position, can effectually alleviate motor 15's output shaft load, connects shell 5 cooperation fire prevention roll up curtain 9 and connect shell 8, can seal the opening part completely, reaches better theftproof effect.

Referring to fig. 3, for the utility model discloses a another optional mode, in order to increase the practicality of device, the outside cover of second pulley 20 is equipped with elastic sleeve 21, and is preferred, and elastic sleeve 21 can adopt the rubber sleeve, and when stopper 2 does not carry on spacingly to spacing body 4, second pulley 20 cooperation elastic sleeve 21 can contact with the surface of keeping away from the centre of a circle of spacing body 4, and elastic sleeve 21 avoids second pulley 20 to carry out a lot of rigid collision with spacing body 4 to effectual extension second pulley 20 and spacing body 4's life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fire-proof rolling shutter door with a positioning mechanism comprises a box body (1) arranged at the top end of a wall opening and connecting shells (8) oppositely arranged on two side walls of the wall opening positioned below the box body (1), wherein a second groove is formed in one opposite side of each of the two connecting shells (8), the connecting shell (8) is connected with the fireproof rolling curtain (9) in a sliding way in the second groove through a first pulley (7), it is characterized in that a second rotating shaft (16) and a first rotating shaft (11) are sequentially and rotatably connected in the box body (1) from top to bottom, the second rotating shaft (16) and the first rotating shaft (11) are respectively sleeved with a roller-shaped limiting body (4) and a curtain collecting roller (10), the fire-proof curtain is characterized in that a positioning mechanism is arranged on the top end of the limiting body (4) of the box body (1), a driving mechanism is arranged on one side of the box body (1), and the outer portion of the curtain collecting roller (10) is connected with the top end of the fire-proof curtain.

2. The fire-resistant rolling shutter door with the positioning mechanism according to claim 1, characterized in that the positioning mechanism comprises a plurality of connectors (3) fixed at the top end of the inner wall of the box body (1) and a plurality of first grooves arranged on the outer surface of the limiting body (4), a limiting block (2) is arranged inside the connector (3), the top surface of the limiting block (2) is connected with the top surface of the inner wall of the connector (3) in a sliding manner through a spring (17), a first electromagnet (18) and a second electromagnet (19) are respectively and oppositely arranged on the bottom surfaces of the inner walls of the limiting block (2) and the connector (3), and the bottom end of the limiting block (2) extends to the outside of the bottom end of the connector (3) and is matched with the first grooves of the limiting body (4).

3. The fire-resistant rolling door with the positioning mechanism as claimed in claim 2, characterized in that the bottom end of the limiting block (2) is provided with a second pulley (20), and the second pulley (20) is matched with the outer surface of the limiting body (4).

4. The fire-resistant rolling door with a positioning mechanism according to claim 1, wherein the driving mechanism comprises a supporting plate (14) fixedly connected to one side of the box body (1) and a motor (15) fixed on the top surface of the supporting plate (14), an output shaft of the motor (15) is fixedly connected with a second rotating shaft (16), belt pulleys (13) are respectively sleeved outside two ends of the first rotating shaft (11) and the second rotating shaft (16), and the belt pulleys (13) are connected through a belt (12).

5. Fire rolling door with positioning mechanism according to claim 1, characterized in that the bottom of the fire rolling door (9) is sleeved with a gravity block (6), the bottom of the gravity block (6) is provided with a connecting shell (5), and two side walls of the connecting shell (5) are respectively connected with two connecting shells (8) in a sliding manner.

6. A fire door with a positioning mechanism according to claim 5, characterized in that the connecting housing (5) is in the form of a strip plate, the transverse length of the connecting housing (5) being equal to the distance between two connecting shells (8).

7. Fire rolling door with positioning mechanism according to claim 3, characterized in that the second pulley (20) is externally sleeved with an elastic sleeve (21).