CN214616217U

CN214616217U - Automatic fire-isolating fireproof door for fire fighting

Info

Publication number: CN214616217U
Application number: CN202023022638.5U
Authority: CN
Inventors: 潘延飞
Original assignee: Shenzhen Zhongxinchang Technology Co ltd
Current assignee: Shenzhen Zhongxinchang Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-05
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an automatic separate fire and prevent fire door for fire control belongs to fire control technical field. The utility model provides an automatic separate fire and prevent fire door for fire control, including the door frame, the draw-in groove has been seted up to door frame left end inner wall, the inside spring groove of having seted up of door frame upper end, the spring inslot is equipped with spring A, the outside cover of spring A is equipped with the slider, the inside groove that runs through of having seted up in door frame upper end, the inslot that runs through is equipped with the regulation pole, it is equipped with the screw thread to adjust the pole middle part, it is equipped with adjusting nut to adjust pole middle part cover, the right-hand member is equipped with folding door A in the door frame, folding door A left end is equipped with folding door B, folding door B right-hand member antetheca is equipped with the handle, folding door B left end top surface is equipped with the connecting rod, connecting rod middle part cover is equipped with the gyro wheel. The utility model discloses an adding and establishing the regulation pole lieing in right-hand member slider lateral wall, through manual adjusting block position, change spring A elasticity intensity, be convenient for adjust the folding door closure speed for prevent that the automatic closure of the better completion of fire door separates the fire, improve and separate the fire effect.

Description

Automatic fire-isolating fireproof door for fire fighting

Technical Field

The utility model relates to a fire control technical field, more specifically say, relate to an automatic fire prevention door that separates for fire control.

Background

The fire extinguishing mode has the advantages that the temperature of a combustion area is reduced, one of the combustion conditions is isolated, combustible substances are isolated, the isolation belt is manufactured through manpower outdoors, fire fighters enter a fire scene indoors to move away inflammable and explosive substances, but once the fire situation is complex, the controllability of the inflammable and explosive substances is further limited, so that a fireproof door which isolates the fire spreading is generally used, the existing automatic fire isolating fireproof door is closed by controlling the fireproof door through electric power, the fireproof door cannot be started in a power-off state, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide an automatic fire-proof door that separates for fire control to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides an automatic fire-proof fireproof door for fire control, includes the door frame, its characterized in that: the fireproof strip is embedded in one circle of the inner wall of the door frame, two clamping grooves are symmetrically formed in the upper and lower parts of the inner wall of the left end of the door frame, a spring groove is formed in the inner part of the upper end of the door frame, a spring A is arranged in the spring groove, two sliding blocks are symmetrically sleeved on the outer part of the spring A in a bilateral mode, two rolling balls are symmetrically embedded at the lower end of the sliding block in the left side in a front-back mode, a sliding groove is formed in the inner part of the upper end of the door frame relative to the bottom surface of the spring groove and is of a cross structure, a through groove is formed in the inner part of the upper end of the door frame relative to the rear side of the spring groove, an adjusting rod is arranged in the through groove, threads are arranged in the middle of the adjusting rod, an adjusting nut is sleeved in the middle of the adjusting rod, an anti-skid rubber sleeve is sleeved on the rear end of the adjusting rod, a folding door A is arranged at the right end of the door frame, a fillet is inverted on the right end of the folding door A, a folding door B is arranged at the left end of the folding door A, folding door B right side wall is equipped with the fire prevention strip, folding door B right-hand member antetheca is equipped with the handle, folding door B left end antetheca corner has the fillet, folding door B left end top surface is equipped with the connecting rod, the cover is equipped with the gyro wheel in the middle part of the connecting rod, folding door B left side wall is the symmetry from top to bottom and has seted up two top grooves, the top inslot is equipped with the fixture block, the fixture block is protruding type structure, the fixture block right side wall is the symmetry from top to bottom and is equipped with two spring B.

Preferably, the front end of the adjusting rod passes through the through groove, extends into the spring groove and is fixedly connected with the rear wall of the right-end sliding block.

Preferably, the right end of the folding door A is rotatably connected with the right end of the door frame.

Preferably, the adjusting nut is in threaded fit with the middle of the adjusting rod.

Preferably, the upper end of the connecting rod passes through the sliding groove, extends into the spring groove and is fixedly connected with the lower end of the left-end sliding block.

Preferably, the roller is in sliding engagement with the chute.

Preferably, the clamping block is in sliding fit with the top groove, and the clamping block is in clamping fit with the clamping groove.

Preferably, the door frame, the folding door A and the folding door B are made of fire-retardant wood, and the surfaces of the fire-retardant wood are painted with fire-retardant paint.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses an inside spring A of establishing that adds in door frame upper end, through pulling folding door B, folding door B upper end connecting rod drives and is located left side slider extrusion spring A, spring A contracts, prevent that fire door opens, loosen folding door B, spring A resets, and then will be located left side slider push back normal position and drive folding door B closed, the fire door is closed, utilize the flexible characteristic of spring to replace electric power regulation and control, thereby solve unable electric power start-up under the outage state and separate the fire automatically and prevent the closed problem of fire door, prevent that fire door separates the fire security automatically greatly.

2. The utility model discloses a being located right-hand member slider lateral wall and adding and establishing the regulation pole, through manual adjusting slider position, change spring A elasticity intensity, be convenient for adjust the folding door closure speed, make prevent that the automatic closure of the better completion of fire door separates the fire, improve and separate the fire effect, the door frame inner wall all inlays and establishes the fire prevention strip, can expand after the conflagration breaing out and fill the gap, better isolated smog is propagated, provide the valuable time for crowd evacuation, and the draw-in groove is seted up to door frame left end inner wall, when the folding door is closed, through fixture block and draw-in groove joint cooperation, and then the folding door plays the joint fixed action.

Drawings

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

FIG. 2 is a rear view of the overall structure of the present invention;

fig. 3 is an overall structure opening schematic diagram of the present invention;

FIG. 4 is a sectional view of the whole structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 6 is an enlarged schematic view of the structure at the position B of the present invention;

fig. 7 is an enlarged schematic view of the structure at position C of the present invention;

the reference numbers in the figures illustrate: 1. a door frame; 2. adjusting a rod; 3. folding the door A; 4. a folding door B; 101. a card slot; 102. a spring slot; 103. a chute; 104. a spring A; 105. a slider; 106. a through groove; 201. adjusting the screw cap; 401. a connecting rod; 402. a roller; 403. a clamping block; 404. and (4) a handle.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution:

an automatic fire-proof and fireproof door for fire fighting comprises a door frame 1, a fireproof strip is embedded in a circle of the inner wall of the door frame 1, two clamping grooves 101 are symmetrically arranged at the upper end and the lower end of the inner wall of the left end of the door frame 1, a spring groove 102 is arranged at the inner part of the upper end of the door frame 1, a spring A104 is arranged in the spring groove 102, two sliding blocks 105 are symmetrically sleeved at the outer part of the spring A104 in a bilateral mode, two rolling balls are symmetrically embedded at the lower end of the sliding block 105 at the left side in a front-back mode, contact friction between the sliding blocks 105 and the spring groove 102 is reduced, a folding door B4 is smoothly developed, a sliding groove 103 is arranged at the position, opposite to the bottom surface of the spring groove 102, in the inner part of the upper end of the door frame 1, a through groove 106 is arranged at the position, an adjusting rod 2 is arranged in the through groove 106, a thread is arranged at the middle part of the adjusting rod 2, an adjusting nut 201 is sleeved at the middle part of the adjusting rod 2, an anti-slip rubber sleeve is arranged at the rear end of the adjusting rod 2, when being convenient for adjust spring A104 elasticity, it is soft to adjust pole 2, do not hinder the hand, the right-hand member is equipped with folding door A3 in door frame 1, folding door A3 right-hand member has the fillet, be convenient for folding door A3 rotates, folding door A3 left end is equipped with folding door B4, folding door B4 right side wall is equipped with fire prevention strip, when being convenient for take place the conflagration, meet fire inflation isolated smog and propagate, folding door B4 right-hand member antetheca is equipped with handle 404, folding door B4 left end antetheca corner has the fillet, be convenient for fixture block 403 and draw-in groove 101 joint cooperation, folding door B4 left end top surface is equipped with connecting rod 401, the middle part cover of connecting rod 401 is equipped with gyro wheel 402, folding door B4 left side wall is upper and lower symmetry and has seted up two knock-out grooves, be equipped with fixture block 403 in the knock-out groove, right fixture block 403 is the convex structure, 403 is the symmetry and two spring B are equipped with on the wall, when fixture block 403 and draw-in the joint cooperation of card and draw-in groove 101, be convenient for fixture block 403, spring B top tight fixture block 403 is tight fixture block 403, fire door fixed.

Specifically, the front end of the adjusting rod 2 passes through the through slot 106 and extends into the spring slot 102, and is fixedly connected with the rear wall of the right-end sliding block 105, so that the elastic force of the spring a104 can be changed through the adjusting rod 2.

Furthermore, the right end of the folding door A3 is rotatably connected with the right end of the doorframe 1, so that the fireproof door is convenient to fix.

Still further, adjust nut 201 and adjust 2 middle part screw thread cooperations of pole, be convenient for adjust fixedly through adjusting nut 201 to the flexible length of spring A104, and then change the fire door opening and closing time length.

Furthermore, the upper end of the connecting rod 401 passes through the sliding slot 103 and extends into the spring slot 102, and is fixedly connected with the lower end of the left-end slider 105, so as to facilitate pulling the folding door B4 and drive the spring a104 to work.

It should be noted that the roller 402 is slidably engaged with the sliding slot 103, so as to reduce the friction between the connecting rod 401 and the sliding slot 103.

It is noted that the latch 403 is slidably engaged with the top groove, and the latch 403 is engaged with the engaging groove 101, so as to fix the fire door.

In addition, the door frame 1, the folding door A3 and the folding door B4 are all made of fire-retardant wood, and the surfaces of the fire-retardant wood are all brushed with fire-retardant paint, so that the fire-retardant effect of the fire-retardant door is improved.

The working principle is as follows: firstly, the fireproof door is installed in a required passage, the automatic closing speed of the fireproof door is adjusted according to requirements, the adjusting nut 201 can be loosened, the position of the adjusting rod 2 is manually pushed leftwards, the front end of the adjusting rod 2 drives the slide block 105 positioned on the right side to extrude the spring A104 leftwards, then the spring A104 is compressed, the elasticity of the spring A104 is increased, then the adjusting nut 201 is screwed, the position of the slide block 105 positioned on the right side is fixed, when a pedestrian passes through the fireproof door from the inner side, the handle 404 is pulled, the right end of the folding door B is forwards folded with the left end of a folding door A3 which is rotationally connected through a hinge, the top surface connecting rod 401 at the right end of a folding door B4 drives the slide block 105 to extrude the left end of the spring A104, the middle roller 402 of the connecting rod 401 is in sliding fit with the sliding groove 103, the right end of the folding door A3 is rotationally connected with the door frame 1, when the pedestrian passes through the fireproof door, the spring A104 is reset to push the slide block 105 positioned at the left end back to the original position, and then the fireproof door is automatically closed, meanwhile, when the fixture block 403 contacts the inner wall of the left end of the door frame 1, the left end of the fixture block 403 is extruded with the inner wall of the left end of the door frame 1, the spring B contracts, the fixture block 403 retreats into the top groove, when the folding door B4 is completely closed, the spring B resets, the fixture block 403 is embedded into the clamping groove 101 to clamp and fix the fireproof door, when a pedestrian enters the door from the outside, the right side of the folding door B4 is pushed, and the folding door B4 and the folding door A3 are folded to enter the room.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic fire door that prevents fires for fire control, includes door frame (1), its characterized in that: the fireproof strip is embedded in one circle of the inner wall of the door frame (1), two clamping grooves (101) are symmetrically formed in the upper and lower sides of the inner wall of the left end of the door frame (1), a spring groove (102) is formed in the upper end of the door frame (1), a spring A (104) is arranged in the spring groove (102), two sliding blocks (105) are sleeved outside the spring A (104) in a bilateral symmetry mode, two balls are symmetrically embedded in the left side of the lower end of the sliding blocks (105) in a front-back mode, a sliding groove (103) is formed in the upper end of the door frame (1) and corresponds to the bottom surface of the spring groove (102), the sliding groove (103) is of a cross structure, a through groove (106) is formed in the upper end of the door frame (1) and corresponds to the rear side of the spring groove (102), an adjusting rod (2) is arranged in the through groove (106), threads are arranged in the middle of the adjusting rod (2), and an adjusting nut (201) is sleeved in the middle of the adjusting rod (2), adjust pole (2) rear end cover and be equipped with the anti-skidding rubber cover, the right-hand member is equipped with folding door A (3) in door frame (1), folding door A (3) right-hand member has the fillet, folding door A (3) left end is equipped with folding door B (4), folding door B (4) right side wall is equipped with the fire prevention strip, folding door B (4) right-hand member antetheca is equipped with handle (404), folding door B (4) left end antetheca corner has the fillet, folding door B (4) left end top surface is equipped with connecting rod (401), connecting rod (401) middle part cover is equipped with gyro wheel (402), folding door B (4) left wall is the symmetry from top to bottom and has seted up two kerfs, be equipped with fixture block (403) in the kerve, fixture block (403) are protruding type structure, fixture block (403) right side wall is the symmetry from top to bottom and is equipped with two spring B.

2. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the front end of the adjusting rod (2) penetrates through the through groove (106) to extend into the spring groove (102) and is fixedly connected with the rear wall of the right-end sliding block (105).

3. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the right end of the folding door A (3) is rotatably connected with the right end of the door frame (1).

4. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the adjusting nut (201) is in threaded fit with the middle of the adjusting rod (2).

5. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the upper end of the connecting rod (401) penetrates through the sliding groove (103) to extend into the spring groove (102) and is fixedly connected with the lower end of the left-end sliding block (105).

6. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the roller (402) is in sliding fit with the sliding groove (103).

7. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the clamping block (403) is in sliding fit with the top groove, and the clamping block (403) is in clamping fit with the clamping groove (101).

8. An automatic fire-proof fire door for fire fighting according to claim 1, characterized in that: the door frame (1), the folding door A (3) and the folding door B (4) are made of fire-retardant wood, and the surfaces of the fire-retardant wood are painted with fireproof paint.