CN220184988U - Telescopic mechanism for fireproof door of building - Google Patents

Telescopic mechanism for fireproof door of building Download PDF

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Publication number
CN220184988U
CN220184988U CN202321583606.3U CN202321583606U CN220184988U CN 220184988 U CN220184988 U CN 220184988U CN 202321583606 U CN202321583606 U CN 202321583606U CN 220184988 U CN220184988 U CN 220184988U
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China
Prior art keywords
fire
door
rack
telescopic mechanism
building
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CN202321583606.3U
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Chinese (zh)
Inventor
董媛媛
蔡晓丰
姚洪文
王斌
罗亚峰
邵红梅
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Shanghai Linbo Architectural Planning And Design Co ltd
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Shanghai Linbo Architectural Planning And Design Co ltd
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Priority to CN202321583606.3U priority Critical patent/CN220184988U/en
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Abstract

The utility model relates to the technical field of fireproof doors, in particular to a telescopic mechanism for a building fireproof door. According to the utility model, the door body, the sliding groove, the baffle plate, the fixed frame, the square hole, the rack, the gear, the straight shaft and the handle are arranged, so that the door has a telescopic function, the spread and diffusion of fire and smoke are effectively prevented, and the loss is reduced.

Description

Telescopic mechanism for fireproof door of building
Technical Field
The utility model relates to the technical field of fireproof doors, in particular to a telescopic mechanism for a building fireproof door.
Background
Fireproof doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation over a period of time. The fire-proof partition is arranged between fire-proof partitions, evacuation stairwells, vertical shafts and the like and has certain fire resistance. Besides the function of a common door, the fireproof door has the function of preventing fire from spreading and smoke from spreading, and can prevent fire from spreading within a certain time, so that people can be evacuated.
When the fire disaster happens in the prior art, fire fighters lay fire hose, the fire hose can obstruct between the fireproof door body and the door frame, the fireproof door can not be closed, fire behavior and smoke can possibly be caused to spread outwards and spread through the opening part, loss expansion is caused, and therefore, the telescopic mechanism for the fireproof door of the building is provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the defects that fire behavior and smoke can spread and spread outwards through an opening to cause loss expansion caused by the fact that a fire door cannot be closed when fire fighters lay fire belts in the prior art, and provides a telescopic mechanism for a building fireproof door.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the telescopic machanism for the fireproof door of the building comprises a door body, wherein a sliding groove is formed in the inner side of the door body, a baffle is arranged on the inner side of the sliding groove in a sliding mode, a fixed frame is fixedly arranged on one side of the baffle, square holes are formed in the inner side of the door body, and a telescopic machanism is arranged on the other side of the baffle.
Preferably, the telescopic mechanism comprises a rack, the rack is fixed on one side of the baffle, the rack slides on the inner side of the chute, the rack is connected with a gear through gear-rack meshing transmission, a straight shaft is fixedly arranged on the inner side of the gear, the straight shaft rotates on the inner side of the door body, and a handle is fixedly arranged on the outer side of the straight shaft.
Preferably, the handle is of a cross-shaped structure.
Preferably, the inner side of the fixing frame is fixedly provided with flame-retardant cloth, and the inner side of the flame-retardant cloth is provided with elastic ropes.
Preferably, the flame-retardant cloth is made of flame-retardant fiber.
Preferably, a sealing ring is fixedly arranged at one side in the door body.
The telescopic mechanism for the fireproof door of the building has the beneficial effects that:
(1) Through setting up door body, spout, baffle, fixed frame, square hole, rack, gear, straight axle, handle, make it have flexible function, rotate the handle and can make fixed frame, baffle, rack left and right movement, can pass fixed frame and square hole inside when fire hose is laid to fire fighter, fire hose can put out a fire through the breach to the rivers transportation in conflagration place when making fire door close put out a fire, convenient operation is simple, and the practicality is strong.
(2) Through setting up fire-retardant cloth, elastic cord, sealing washer, improved the leakproofness of preventing fire door, inside the being equipped with of fire-retardant cloth is elastic cord, can make the fire hose pass behind the fixed frame, and the elastic cord hugs closely fire-retardant cloth in the fire hose outside under its elasticity effect, and the leakproofness is good, reduces the flue gas and sees through the gap and leak outward.
Drawings
Fig. 1 is a schematic diagram of a front side axial measurement structure of a telescopic mechanism for a fire door of a building according to the present utility model;
fig. 2 is a schematic diagram of a front partial cut-away axial measurement structure of a telescopic mechanism for a fire door of a building according to the present utility model;
fig. 3 is a schematic diagram of an upper view cut-away axial measurement structure of a telescopic mechanism for a fire door of a building according to the present utility model.
In the figure: 1 door body, 2 spout, 3 baffles, 4 fixed frames, 5 square holes, 6 racks, 7 gears, 8 straight shafts, 9 handles, 10 flame retardant cloth, 11 elastic ropes and 12 sealing rings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a telescopic machanism for building fire door, including the door body 1, the door body 1 inboard is equipped with spout 2, spout 2 inboard slip is equipped with baffle 3, baffle 3 one side is fixed and is equipped with fixed frame 4, the door body 1 inboard is equipped with square hole 5, baffle 3 opposite side is equipped with telescopic machanism, telescopic machanism includes rack 6, rack 6 is fixed in baffle 3 one side, rack 6 slides in spout 2 inboard, rack 6 is equipped with gear 7 through rack and pinion meshing transmission connection, the inboard fixed straight-line 8 that is equipped with of gear 7, straight-line 8 rotates in door body 1 inboard, the fixed handle 9 that is equipped with in straight-line 8 outside, handle 9 is cross structure, door body 1 has been adopted, spout 2, baffle 3, fixed frame 4, square hole 5, rack 6, gear 7, straight-line 8, handle 9 has been adopted, make it have flexible function, rotate handle 9 can make fixed frame 4, baffle 3, rack 6 side-to-side, can pass fixed frame 4 and square hole 5 inside when fire fighter lays the fire hose, make the fire hose can carry out the rivers transportation to the place through the breach when closing, easy operation, and practicality is strong fire extinguishing fire door is practical when fire fighting. When the conflagration takes place, fire fighter need pass through when preventing fire door at laying fire hose, clockwise rotation handle 9, and rack 6 is connected through rack and pinion meshing transmission to gear 7, and rack 6, baffle 3, fixed frame 4 are inside fixed frame 4 and square hole 5 to the right slip in spout 2, and fire hose can pass inside fixed frame 4 and square hole 5, need not open prevent fire door, has avoided fire and flue gas to spread through the opening part, easy operation is convenient, and the practicality is strong.
The inner side of the fixing frame 4 is fixedly provided with flame-retardant cloth 10, the inner side of the flame-retardant cloth 10 is provided with elastic ropes 11, the flame-retardant cloth 10 is made of flame-retardant fiber, the flame-retardant fiber is only smoldering in flame, the flame does not occur, the flame leaves the flame, and the smoldering is self-extinguishing fiber, so that the flame-retardant fiber is widely applied to clothing, home furnishings, decoration, non-woven fabrics, fillers and the like. The combustibility of the flame-retardant fiber is obviously reduced compared with that of common fiber, the combustion rate is obviously slowed down in the combustion process, the flame-retardant fiber can be rapidly self-extinguished after leaving a fire source, and toxic smoke is less released, one side in the door body 1 is fixedly provided with a sealing ring 12, the flame-retardant fabric 10, the elastic rope 11 and the sealing ring 12 are adopted, the tightness of the fireproof door is improved, the elastic rope 11 is arranged in the flame-retardant fabric 10, the flame-retardant fabric 10 can be tightly attached to the outer side of the fire-retardant fabric under the elastic action of the elastic rope 11 after the fire-retardant fabric passes through the fixed frame 4, the tightness is good, and the leakage of smoke through gaps is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a telescopic machanism for building prevent fire door, includes a door body (1), its characterized in that, door body (1) inboard is equipped with spout (2), spout (2) inboard slip is equipped with baffle (3), baffle (3) one side is fixed and is equipped with fixed frame (4), door body (1) inboard is equipped with square hole (5), baffle (3) opposite side is equipped with telescopic machanism.
2. The telescopic mechanism for the building fireproof door according to claim 1, wherein the telescopic mechanism comprises a rack (6), the rack (6) is fixed on one side of the baffle plate (3), the rack (6) slides on the inner side of the sliding groove (2), the rack (6) is connected with a gear (7) through a gear-rack meshing transmission, a straight shaft (8) is fixedly arranged on the inner side of the gear (7), the straight shaft (8) rotates on the inner side of the door body (1), and a handle (9) is fixedly arranged on the outer side of the straight shaft (8).
3. Telescopic mechanism for a fire door for buildings according to claim 2, characterized in that the handle (9) is of a cross-shaped structure.
4. The telescopic mechanism for the building fireproof door according to claim 1, wherein a flame-retardant cloth (10) is fixedly arranged on the inner side of the fixed frame (4), and an elastic rope (11) is arranged on the inner side of the flame-retardant cloth (10).
5. A telescopic mechanism for a fire rated door of a building according to claim 4, wherein the fire resistant cloth (10) is of fire resistant fibre material.
6. The telescopic mechanism for the building fireproof door according to claim 1, wherein a sealing ring (12) is fixedly arranged on one side in the door body (1).
CN202321583606.3U 2023-06-21 2023-06-21 Telescopic mechanism for fireproof door of building Active CN220184988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321583606.3U CN220184988U (en) 2023-06-21 2023-06-21 Telescopic mechanism for fireproof door of building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321583606.3U CN220184988U (en) 2023-06-21 2023-06-21 Telescopic mechanism for fireproof door of building

Publications (1)

Publication Number Publication Date
CN220184988U true CN220184988U (en) 2023-12-15

Family

ID=89109411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321583606.3U Active CN220184988U (en) 2023-06-21 2023-06-21 Telescopic mechanism for fireproof door of building

Country Status (1)

Country Link
CN (1) CN220184988U (en)

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