CN216788076U

CN216788076U - Anti-explosion fireproof door

Info

Publication number: CN216788076U
Application number: CN202122245784.2U
Authority: CN
Inventors: 蒋方立; 蒋舒军; 朗明明
Original assignee: Shanghai Kaishun Special Doors And Windows Co ltd
Current assignee: Shanghai Kaishun Special Doors And Windows Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-06-21
Anticipated expiration: 2031-09-16

Abstract

The utility model provides an antiknock prevents fire door, includes the door leaf, and the door leaf surface rotates and is connected with first gear, and the bottom meshing of first gear is connected with first rack, and the one end fixedly connected with head rod at door leaf center is kept away from to first rack, and the door leaf rotates and is connected with the door frame, and the fixed box of fixed surface connection of door frame, and beneficial effect is: can drive the first gear rotation rather than fixed connection through rotating the carousel, the rotation of first gear can drive rather than two second gear rotations that the meshing is connected, the second gear drives the rack removal rather than the meshing is connected, thereby drive rack fixed connection's connecting rod removal and lock the door leaf, install fixed box on the door frame, can drive rather than the third connecting rod removal of rotating the connection through the pulling pull rod, drive and the fourth connecting rod removal of being connected of third connecting rod rotation, thereby prevent that fire door could open and guaranteed sealed effect like this.

Description

Anti-explosion fireproof door

Technical Field

The utility model relates to the technical field of fire fighting equipment, in particular to an anti-explosion fireproof door.

Background

The fire can produce great influence to people's production life, and some serious conflagrations can cause huge loss of lives and property, consequently are equipped with often at places such as personnel are comparatively intensive and warehouse and prevent fire door, can stop naked light and smog outdoors when the conflagration takes place, can effectively reduce the loss that the conflagration caused.

The existing fireproof door is simple in structure, a door lock mechanism similar to an ordinary antitheft door is often adopted, so that the structural strength of the ordinary fireproof door is poor, the door can be damaged by shock waves when explosion caused by fire occurs, the life and property safety of escape personnel can be influenced due to the fact that normal use cannot be achieved, and smoke can not be well blocked due to the poor sealing performance of the ordinary fireproof door.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the existing fireproof door is relatively simple in structure, and a door lock mechanism similar to a common antitheft door is usually adopted, so that the common fireproof door is relatively poor in structural strength, can be damaged by shock waves when exposed to explosion caused by fire, cannot be normally used, and therefore the life and property safety of escape personnel is influenced, and the common fireproof door is relatively poor in sealing performance and cannot well block smoke.

The technical scheme adopted by the utility model for solving the technical problem is as follows: an explosion-proof, fire-rated door, comprising: the door comprises a door leaf, wherein the surface of the door leaf is rotatably connected with a first gear, the bottom end of the first gear is meshed and connected with a first rack, one end, far away from the center of the door leaf, of the first rack is fixedly connected with a first connecting rod, the door leaf is rotatably connected with a door frame, and the surface of the door frame is fixedly connected with a fixing box.

Preferably, the top end of the first gear is engaged and connected with a second gear, the top end of the second gear is engaged and connected with a first rack, one end of the first rack, which is far away from the center of the door leaf, is fixedly connected with a first connecting rod, one side of the first gear, which is close to the center of the door leaf, is engaged and connected with a second gear, one side of the second gear, which is far away from the center of the door leaf, is engaged and connected with a second rack, and the rotation of the two second gears can be realized through the rotation of the first gear, so that the first rack and the second rack can be moved.

Preferably, the inside of fixed box is equipped with the second connecting rod, the center department of second connecting rod rotates and is connected with two third connecting rods, two the one end that the third connecting rod is close to the spring all rotates and is connected with the fourth connecting rod, there is the fixed block second connecting rod is close to the one end at fixed box center through spring coupling, and the rotation of third connecting rod can be realized through the removal of second connecting rod, and then realizes the function of removal in order to realize the buckle of fourth connecting rod.

Preferably, the bottom end of the second rack is fixedly connected with a connecting rod, one end, far away from the center of the door leaf, of the connecting rod is rotatably connected with a sixth connecting rod, one end, far away from the center of the door leaf, of the sixth connecting rod is rotatably connected with a seventh connecting rod, the sixth connecting rod can be driven to rotate through the movement of the second rack, and therefore the door leaf can be locked through the movement of the seventh connecting rod.

Preferably, one end of the first gear, which is far away from the door leaf, is fixedly connected with a rotary table through a connecting rod, the center of the sixth connecting rod is rotatably connected with a boss, the boss is fixedly connected to the door leaf, the top end of the second rack is fixedly connected with a fifth connecting rod, the first gear can rotate through rotation of the rotary table, and then the two second gears meshed with the first gear can rotate.

The utility model has the following advantages: can drive the first gear rotation rather than fixed connection through rotating the carousel, the rotation of first gear can drive rather than two second gear rotations that the meshing is connected, the second gear drives the rack removal rather than the meshing is connected, thereby drive rack fixed connection's connecting rod removal and lock the door leaf, install fixed box on the door frame, can drive rather than the third connecting rod removal of rotating the connection through the pulling pull rod, drive and the fourth connecting rod removal of being connected of third connecting rod rotation, thereby prevent that fire door could open and guaranteed sealed effect like this.

Drawings

Figure 1 is a front view schematic diagram of a blast resistant fire rated door in accordance with a preferred embodiment of the present invention;

figure 2 is a schematic view of the internal structure of the holding box of an explosion proof fire rated door in accordance with a preferred embodiment of the present invention;

figure 3 is an enlarged schematic view of a portion a of the fire door in accordance with a preferred embodiment of the present invention.

Description of reference numerals:

1. a door leaf; 2. a seventh connecting rod; 3. a sixth connecting rod; 4. a second rack; 5. a second gear; 6. a fifth connecting rod; 7. a first rack; 8. a first connecting rod; 9. a fixing box; 10. a first gear; 11. a turntable; 12. a fourth connecting rod; 13. a third connecting rod; 14. a second connecting rod.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an antiknock prevents fire door, including door leaf 1, 1 surperficial rotation of door leaf is connected with first gear 10, first gear 10 can rotate for door leaf 1, the bottom meshing of first gear 10 is connected with first rack 7, the rotation of first gear 10 can make first rack 7 remove, thereby lock preventing fire door, the one end fixedly connected with head rod 8 at 1 center of door leaf is kept away from to first rack 7, 1 rotation of door leaf is connected with the door frame, door leaf 1 can rotate for the door frame, and the fixed box 9 that is connected with of surface fixed of door frame.

The top of first gear 10 is connected with second gear 5 intermeshing, rotation through first gear 10 can realize that second gear 5 rotates, the top of second gear 5 is connected with first rack 7 intermeshing, rotation through second gear 5 can realize that first rack 7 removes, head rod 8 passes through bolt interconnect with first rack 7, second gear 5 is connected with first gear 10 intermeshing, rotation through first gear 10 can realize that second gear 5 rotates, second rack 4 is connected with one side intermeshing that second gear 5 kept away from door leaf 1 center, rotation through second gear 5 can realize that second rack 4 removes.

Second connecting rod 14 is installed in the inside of fixed box 9, the center department of two third connecting rods 13 and second connecting rod 14 is connected through pivot rotation each other, the rotation of third connecting rod 13 can be realized through the removal of second connecting rod 14, be connected through pivot rotation each other between fourth connecting rod 12 and the third connecting rod 13, the rotation through third connecting rod 13 can be realized rather than the removal of the fourth connecting rod 12 of being connected of rotating, second connecting rod 14 passes through spring interconnect with the fixed block near the one end at fixed box 9 center, the elasticity of spring can make second connecting rod 14 remove.

The connecting rod welding is in the bottom of second rack 4, and sixth connecting rod 3 is connected through pivot interconnect with the connecting rod, can realize rather than rotating the rotation of being connected sixth connecting rod 3 through the removal of connecting rod, and the one end and the seventh connecting rod 2 that the door leaf 1 center was kept away from to sixth connecting rod 3 are through pivot interconnect, can realize rather than rotating the seventh connecting rod 2 removal of being connected through the rotation of sixth connecting rod 3.

The turntable 11 is connected to one end, far away from the door leaf 1, of the first gear 10 through bolts, the boss is connected with the center of the sixth connecting rod 3 through the rotating shaft, the sixth connecting rod 3 can rotate relative to the boss, the boss is welded on the door leaf 1, the fifth connecting rod 6 is connected with the top end of the second rack 4 through bolts, and the fifth connecting rod 6 can move through the movement of the second rack 4.

The working principle is as follows: when a fire disaster occurs, an escape person enters an escape passage and closes the fire door, the rotating disc 11 is rotated clockwise, the first gear 10 can rotate clockwise, the first rack 7 can move through the rotation of the first gear 10, so that the first connecting rod 8 is clamped and cannot move, the sealing effect of the fire door is prevented from being influenced by the movement of the first connecting rod 8 under the operation of the person, the counterclockwise rotation of the second gear 5 is driven through the rotation of the first gear 10, the second rack 4 moves upwards, the fifth connecting rod 6 is driven to move upwards to achieve the purpose of locking the top of the door leaf 1, the sixth connecting rod 3 can be driven to rotate through the movement of the connecting rod at the bottom end of the rack, so that the seventh connecting rod 2 moves downwards to lock the bottom of the door leaf 1, when the fire door needs to be opened, the second connecting rod 14 is pulled, through the removal of second connecting rod 14 to drive the rotation of third connecting rod 13, and then realize the removal of fourth connecting rod 12 and reach the purpose of unblanking, then just can open fire door through anticlockwise rotation carousel 11.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the present invention not described in detail are prior art and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An explosion-proof fire door, comprising: the door comprises a door leaf (1), wherein a first gear (10) is rotatably connected to the surface of the door leaf (1), the bottom end of the first gear (10) is connected with a first rack (7) in a meshed manner, one end, far away from the center of the door leaf (1), of the first rack (7) is fixedly connected with a first connecting rod (8), the door leaf (1) is rotatably connected with a door frame, and a fixing box (9) is fixedly connected to the surface of the door frame.

2. An anti-explosion and fire-proof door as claimed in claim 1, characterized in that the top end of the first gear (10) is engaged with a second gear (5), the top end of the second gear (5) is engaged with a first rack (7), one end of the first rack (7) far away from the center of the door leaf (1) is fixedly connected with a first connecting rod (8), one side of the first gear (10) close to the center of the door leaf (1) is engaged with a second gear (5), and one side of the second gear (5) far away from the center of the door leaf (1) is engaged with a second rack (4).

3. An anti-explosion and fire-proof door as claimed in claim 1, characterized in that a second connecting rod (14) is arranged inside the fixed box (9), two third connecting rods (13) are rotatably connected at the center of the second connecting rod (14), a fourth connecting rod (12) is rotatably connected at the ends of the two third connecting rods (13) close to the spring, and a fixed block is connected at the end of the second connecting rod (14) close to the center of the fixed box (9) through the spring.

4. An anti-explosion and fire-proof door as claimed in claim 2, characterized in that the bottom end of the second rack (4) is fixedly connected with a connecting rod, and one end of the connecting rod far away from the center of the door leaf (1) is rotatably connected with a sixth connecting rod (3), and one end of the sixth connecting rod (3) far away from the center of the door leaf (1) is rotatably connected with a seventh connecting rod (2).

5. An anti-explosion and fire-proof door as claimed in claim 4, characterized in that the end of the first gear (10) far away from the door leaf (1) is fixedly connected with a rotary plate (11) through a connecting rod, the center of the sixth connecting rod (3) is rotatably connected with a boss which is fixedly connected with the door leaf (1), and the top end of the second rack (4) is fixedly connected with a fifth connecting rod (6).