CN218293375U

CN218293375U - Bidirectional switch type fireproof door

Info

Publication number: CN218293375U
Application number: CN202222258237.2U
Authority: CN
Inventors: 张晓峰; 闫锁锁
Original assignee: Taiyuan Jindun Fire Equipment Co ltd
Current assignee: Taiyuan Jindun Fire Equipment Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-13
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a fire door is prevented to two-way switch formula, including fixed door frame, the surface movable mounting of fixed door frame has quantity to be two prevents fire door body, two prevent that the surface of fire door body all is equipped with the door handle, the fixed surface of fixed door frame installs smoke alarm, two prevent all being equipped with the sealing strip between fire door body and the fixed door frame, the top fixed mounting of fixed door frame has functional structure. This fire door is prevented to two way switch formula, thereby can strengthen the leakproofness when conflagration and separate the cigarette effect through setting up the sealing strip, then can drive the drive fly leaf through being equipped with driving motor and carry out the arc and rotate, the spout through the fly leaf surface is swing joint with the function pole to can realize driving two movable rod relative motion or opposite movement, and then drive two pinion rack relative motion through the movable rod, through setting up the gear and the pinion rack is engaged with for the relation mutually.

Description

Bidirectional switch type fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a two-way switch formula prevents fire door.

Background

The fire door is a door meeting the requirements of fire resistance, integrity and heat insulation within a certain time, and is a fire-proof partition with certain fire resistance arranged in a fire-proof partition room, an evacuation staircase room, a vertical shaft and the like.

Traditional fire door all has some defects when using on the existing market, for example current fire door mostly is steel door and wooden door, and steel door weight is too big, the structural instability of wooden door, and traditional door closer can open under the condition of external force moreover, can lead to stretching of intensity of a fire and the diffusion of flue gas, has reduced fire door's practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fire door is prevented to two-way switch formula possesses and can not be opened under the condition of external force, and the security advantage such as higher, has solved current traditional fire door and has mostly been steel door and wooden door, and steel door weight is too big, the unstable structure of wooden door, and traditional door closer can open under the condition of external force moreover, can lead to stretching of intensity of a fire and the problem of the diffusion of flue gas.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two-way switch formula prevents fire door, includes fixed door frame, the outer surface movable mounting of fixed door frame has the fire door body that quantity is two, two prevent that the surface of fire door body all is equipped with the door handle, the outer fixed surface of fixed door frame installs smoke alarm, two prevent all being equipped with the sealing strip between fire door body and the fixed door frame, the top fixed mounting of fixed door frame has functional structure.

Further, the functional structure is including the function box that is located fixed door frame top, the cavity has been seted up to the inside of function box, the interior roof fixed mounting of cavity has driving motor, the interior roof movable mounting of function box has quantity to be two and all extends to the inside pivot of fixed door frame, the equal movable mounting of the upper and lower both sides inner wall of function box has the movable block, two the equal fixed mounting in surface of movable block has the movable rod, two the equal fixed mounting in surface of movable rod has the pinion rack, two the equal fixed mounting in surface of pivot has the gear, driving motor's output shaft department fixed mounting has the fly leaf, two the equal fixed mounting in surface of movable rod has the function pole.

Furthermore, the outer surface of the movable plate is provided with two sliding grooves, and the two function rods are movably connected with the sliding grooves respectively.

Further, two the gear surface meshes in the surface of pinion rack respectively mutually, the top of fixed door frame and the bottom of function case are the welding.

Furthermore, the bottom of two the pivot all is connected with the interior diapire of fixed door frame through the bearing, two the top of pivot all is connected with the interior roof of function case through the bearing.

Furthermore, the inner bottom wall of the function box is provided with two through holes, and the inner walls of the through holes are matched with the outer surface of the rotating shaft.

Further, the upper and lower both sides inner wall of function case has all seted up the slide rail, two the surface of movable block respectively with slide rail swing joint.

(III) advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this fire door is prevented to two way switch formula, thereby can strengthen the leakproofness when conflagration and separate the cigarette effect through setting up the sealing strip, then can drive the drive fly leaf through being equipped with driving motor and carry out the arc and rotate, the spout through the fly leaf surface is swing joint with the function pole to can realize driving two movable rod relative motion or opposite movement, and then drive two pinion rack relative motion through the movable rod.

2. This fire door is prevented to two-way switch formula, be engaged with the relation through setting up the gear and pinion rack, and then realize that the removal of pinion rack can drive the gear and rotate, and then drive the pivot and rotate, thereby can drive two through two pivots and prevent fire door body and rotate, and then open and prevent fire door body, if driving motor does not obtain the instruction and rotate, prevent that fire door body then can not open, thereby it mostly is steel door and wooden door to have solved current fire door of preventing, steel door weight is too big, the unstable structure of wooden door, and traditional door closer can open under the condition of external force, can lead to stretching of intensity of a fire and the problem of the diffusion of flue gas.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a front sectional view of the functional structure of the present invention;

FIG. 3 is a top sectional view of the functional structure box of the present invention;

fig. 4 is an enlarged view of a position a in the functional structure diagram 3 of the present invention.

In the figure: 1 fixed doorframe, 2 fireproof door bodies, 3 door handles, 4 smoke alarms, 5 sealing strips, 6 functional structures, 601 functional boxes, 602 cavities, 603 driving motors, 604 rotating shafts, 605 movable blocks, 606 movable rods, 607 toothed plates, 608 gears, 609 movable plates and 610 functional rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the two-way switch type fire door in this embodiment includes a fixed door frame 1, two fire door bodies 2 are movably installed on an outer surface of the fixed door frame 1, door handles 3 are respectively installed on outer surfaces of the two fire door bodies 2, a smoke alarm 4 is fixedly installed on an outer surface of the fixed door frame 1, a sealing strip 5 is respectively installed between the two fire door bodies 2 and the fixed door frame 1, and a functional structure 6 is fixedly installed on a top of the fixed door frame 1.

Functional structure 6 in this embodiment is including the function box 601 that is located fixed door frame 1 top, cavity 602 has been seted up to the inside of function box 601, the interior roof fixed mounting of cavity 602 has driving motor 603, it carries out the arc rotation to drive fly leaf 609 through starting driving motor 603, the spout and the function pole 610 of fly leaf 609 external surface are swing joint, thereby can realize driving two movable rods 606 through spout cooperation function pole 610 and carry out relative motion or opposite movement, the interior roof movable mounting of function box 601 has quantity for two and all extends to the inside pivot 604 of fixed door frame 1, the equal movable mounting of upper and lower both sides inner wall of function box 601 has movable block 605, the equal fixed mounting of surface of two movable blocks 605 has movable rod 606, the equal fixed mounting of surface of two movable rods 606 has pinion rack 607, the equal fixed mounting of surface of two pivot 604 has gear 608, establish the relation of meshing mutually through gear 608 and pinion rack 607, and then realize that the removal of pinion rack 607 can drive gear 608 and rotate, and then drive the pivot 604 with gear 608 fixed connection rotate, thereby can drive two bodies 2 through two pivots and rotate, the department of drive motor 603 installs the equal fixed mounting of output shaft 610 of two movable rods 609.

The working principle of the above embodiment is as follows:

(1) When the fireproof door body 2 needs to be closed or opened, the movable plate 609 can be driven to rotate in an arc shape by starting the driving motor 603, and the sliding groove on the outer surface of the movable plate 609 is movably connected with the function rod 610, so that the sliding groove is matched with the function rod 610 to drive the two movable rods 606 to move relatively or oppositely, and then the two toothed plates 607 are driven to move relatively by the movable rods 606.

(2) Establish the relation into the looks meshing through gear 608 and pinion rack 607, and then realize that pinion rack 607's removal can drive gear 608 and rotate, and then drive and rotate with gear 608 fixed connection's pivot 604, thereby can drive two through two pivots 604 and prevent fire door body 2 and rotate, and then open and prevent fire door body 2, but do not obtain the instruction rotation when driving motor 603, prevent fire door body 2 and then can not open, and through setting up sealing strip 5 can strengthen leakproofness and the smoke insulation effect when the conflagration, thereby it is mostly steel and wooden door to have solved current fire door, steel door weight is too big, wooden door's unstable structure, and traditional door closer can open under the condition of external force, can lead to stretching of the intensity of a fire and the problem of the diffusion of flue gas.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two way switch formula prevents fire door, includes fixed door frame (1), its characterized in that: the outer surface movable mounting of fixed door frame (1) has quantity to be two prevents fire door body (2), two prevent that the surface of fire door body (2) all is equipped with door handle (3), the outer fixed mounting of fixed door frame (1) has smoke alarm (4), two prevent all being equipped with sealing strip (5) between fire door body (2) and fixed door frame (1), the top fixed mounting of fixed door frame (1) has functional structure (6).

2. A two-way fire rated door as claimed in claim 1, wherein: function structure (6) are including function box (601) that are located fixed door frame (1) top, cavity (602) have been seted up to the inside of function box (601), the interior roof fixed mounting of cavity (602) has driving motor (603), the interior roof movable mounting of function box (601) has quantity to be two and all extends to fixed door frame (1) inside pivot (604), the equal movable mounting of the upper and lower both sides inner wall of function box (601) has movable block (605), two the equal fixed mounting in surface of movable block (605) has movable rod (606), two the equal fixed mounting in surface of movable rod (606) has pinion rack (607), two the equal fixed mounting in surface of pivot (604) has gear (608), the output shaft department fixed mounting of driving motor (603) has movable plate (609), two the equal fixed mounting in surface of movable rod (606) has function pole (610).

3. A two-way fire rated door as claimed in claim 2, wherein: the outer surface of the movable plate (609) is provided with two sliding grooves, and the two function rods (610) are movably connected with the sliding grooves respectively.

4. A two-way fire rated door as claimed in claim 2, wherein: the outer surfaces of the two gears (608) are meshed with the outer surface of the toothed plate (607), and the top of the fixed door frame (1) is welded with the bottom of the functional box (601).

5. A two-way fire rated door as claimed in claim 2, wherein: the bottoms of the two rotating shafts (604) are connected with the inner bottom wall of the fixed door frame (1) through bearings, and the tops of the two rotating shafts (604) are connected with the inner top wall of the functional box (601) through bearings.

6. A two-way fire rated door as claimed in claim 2, wherein: the inner bottom wall of the functional box (601) is provided with two through holes, and the inner walls of the through holes are matched with the outer surface of the rotating shaft (604).

7. A two-way fire rated door as claimed in claim 2, wherein: the upper and lower both sides inner wall of function case (601) has all seted up the slide rail, two the surface of movable block (605) respectively with slide rail swing joint.