CN212743787U

CN212743787U - Anti-blocking steel-wood composite fireproof door

Info

Publication number: CN212743787U
Application number: CN202020500242.8U
Authority: CN
Inventors: 杨学州
Original assignee: Fujian Chengan Landun Door Industrial Co ltd
Current assignee: Fujian Chengan Landun Door Industrial Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-03-19
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a prevent fire door technical field a prevent stifled steel wood composite fire door, prevent that fire door body opens or closed door frame through first hinge, prevent that fire door body includes portal and multiunit door plant, it is provided with the slide rail to prevent that opposite inside wall edge around the fire door body, door plant one end is passed through the bull stick and is removed and rotatory at the slide rail, two liang of adjacent door plants are with using a set of bull stick, two liang of adjacent door plants are kept away from between the bull stick one end and are articulated through the second hinge, the multiunit door plant on the same group slide rail expandes and realize lateral wall opening around the closed portal, the folding realization of multiunit door plant on the same group slide rail is opened lateral wall opening around the portal, the utility model discloses a prevent that fire door has two kinds of modes to open, after the mode is.

Description

Anti-blocking steel-wood composite fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a prevent compound fire door that prevents stifled steel wood.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like.

The existing wooden fireproof door with the fireproof door lock pin device has certain defects when in use, firstly, dense smoke is easy to pass through by a gap below a door plate, a metal door handle is easy to scald hands when being heated, and certain adverse effects are brought to the use process of people.

The existing fireproof door is easy to block due to sundries in use, and hidden dangers are brought to lives and properties due to the fact that the escape door is blocked when the sundries are placed at the position of a door foot.

Based on this, the utility model designs an prevent stifled compound fire door that prevents of steel wood to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent compound fire door that prevents stifled steel wood to the current fire door that prevents who proposes in the solution above-mentioned background art causes the problem of jam because debris in use easily.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-blocking steel-wood composite fireproof door comprises a door frame and a fireproof door body, wherein the fireproof door body is hinged on the door frame through a first hinge and used for opening or closing the door frame, a handle is installed on the side wall of the fireproof door body, the fireproof door body comprises a door frame and a plurality of groups of door plates, mutually parallel sliding rails are arranged on the front and back opposite inner side wall edges of the fireproof door body, one end of each door plate moves and rotates on the sliding rail through a rotating rod, the door plates which are adjacent in pairs are simultaneously hinged through a group of rotating rods, one ends of the door plates which are far away from the rotating rods are adjacent in pairs are hinged through a second hinge, the front and back side wall openings of the door frame are closed through unfolding a plurality of groups of door plates on the same group of sliding rails, the front and back side wall openings of the door frame are opened, keep away from on the different sets of slide rails between two sets of door plants of elasticity pivot through articulated telescopic link connection, be connected with the connecting wire between telescopic link and the elasticity pivot, elasticity pivot one end is connected with the decorative pattern wheel, set up flutedly on the portal, be provided with elastic component and push rod in the recess, the rigid coupling has the decorative pattern pole with the meshing of decorative pattern wheel on the push rod, promotes the push rod removes and compresses the elastic component along elasticity pivot axis direction and makes the decorative pattern pole break away from the decorative pattern wheel.

Preferably, a door closer for keeping the normally closed door frame of the fireproof door body is connected between the door frame and the fireproof door body.

Preferably, the fireproof door body is a steel-wood fireproof door.

Preferably, the handle is made of bakelite.

Preferably, the door panels are folded towards one side of the inner part of the door frame.

Preferably, the groove is communicated or isolated with the outside through a safety window, and the safety window is made of a fragile material.

Preferably, a baffle plate positioned on the outer side of the sliding rail is arranged on the door frame.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a prevent that fire door has two kinds of modes to open, opens the mode in the rotation and is obstructed the back, and the accessible will constitute the folding safe passage of opening of multiunit door plant that prevents fire door, and the personnel of being convenient for circulate fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the gantry structure of the present invention;

FIG. 3 is a schematic view of the structure of the elastic shaft and the push rod;

FIG. 4 is a schematic view of the front and rear openings of the multi-door-panel closed door frame of the present invention;

fig. 5 is the utility model discloses opening structure schematic diagram around the portal is opened in the folding of multiunit door plant.

1. A door frame; 2. a first hinge; 3. a fire door body; 31. a gantry; 311. a slide rail; 312. a baffle plate; 313. a groove; 314. an elastic member; 315. a push rod; 316. a security window; 32. a door panel; 33. a rotating rod; 34. a second hinge; 35. a telescopic rod; 36. an elastic rotating shaft; 361. a pattern wheel; 362. a patterned rod; 37. a connecting wire; 4. a door closer; 5. a handle.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

An anti-blocking steel-wood composite fireproof door comprises a door frame 1 and a fireproof door body 3, wherein the fireproof door body 3 is hinged on the door frame 1 through a first hinge 2 and used for opening or closing the door frame 1, a handle 5 is installed on the side wall of the fireproof door body 3, the fireproof door body 3 comprises a door frame 31 and a plurality of groups of door plates 32, the front and back opposite inner side wall edges of the fireproof door body 3 are provided with mutually parallel sliding rails 311, one end of each door plate 32 moves and rotates on the sliding rail 311 through a rotating rod 33, every two adjacent door plates 32 share one group of rotating rods 33, every two adjacent door plates 32 are hinged between the ends far away from the rotating rods 33 through a second hinge 34, the front and back side wall openings of the door frame 31 are closed through unfolding the plurality of door plates 32 on the same group of sliding rails 311, the front and back side wall openings of the door frame 31 are opened through folding the plurality of door plates 32 on the same group, two door plates 32 which are far away from the elastic rotating shaft 36 on different sets of sliding rails 311 are connected through a hinged telescopic rod 35, a connecting line 37 is connected between the telescopic rod 35 and the elastic rotating shaft 36, one end of the elastic rotating shaft 36 is connected with a patterned wheel 361, a groove 313 is formed in the door frame 31, an elastic part 314 and a push rod 315 are arranged in the groove 313, a patterned rod 362 meshed with the patterned wheel 361 is fixedly connected onto the push rod 315, and the push rod 315 is pushed to move along the axial direction of the elastic rotating shaft 36 and compress the elastic part 314 so that the patterned rod 362 is separated from the patterned wheel 361.

Further, a door closer 4 for keeping the fire door body 3 normally closed with the door frame 1 is connected between the door frame 1 and the fire door body 3.

Further, the fireproof door body 3 is a steel-wood fireproof door.

Furthermore, the handle 5 is made of bakelite, so that the handle 5 is prevented from being too hot in case of fire.

Furthermore, the multiple groups of door panels 32 are folded towards one side inside the door frame 31, so that interference caused by external sundries in the folding process is avoided.

Further, the groove 313 is communicated or isolated from the outside through the safety window 316, and the safety window 316 is made of a fragile material to facilitate breaking the safety window 316.

Further, a baffle 312 located outside the slide rail 311 is disposed on the door frame 31, and the baffle 312 is used for hiding the rotating rod 315 and the slide rail 311.

The utility model discloses an embodiment:

the model of the second hinge 34 is SJ 3D-100;

the elastic rotating shaft 36 is formed by sleeving a torsion spring on the outer wall of the rotating shaft, when the front wall and the rear wall of the door frame 31 are opened by closing a plurality of groups of door plates 32, the torsion spring is in a compressed state, and the generated reaction force drives the connecting wire 37 to wind on the outer wall of the rotating shaft to drive the telescopic rod 35 to approach the rotating shaft;

the door frame 1 and the door frame 31 adopt a composite structure of flame-retardant wood and a fireproof glass magnesium board, and the surfaces of the flame-retardant wood and the fireproof glass magnesium board are coated with 0.5mm of PET film-coated steel plates.

The fireproof expansion strip is arranged between the door frame 1 and the door frame 31, and can prevent fatal smoke from passing through.

The door plate 32 is made of a wooden fireproof plate coated with 0.5mm of PET film-coated steel plate.

The door closer 4 and the telescopic rod 35 can be directly purchased from the existing products;

the safety window 316 can be made of fire-fighting fragile glass;

after the body 3 of the fireproof door is blocked by opening in a normal mode, the safety window 316 is damaged through the outer wall, thrust is applied to the push rod 315 and the elastic element 314 is compressed, the push rod 315 drives the patterned rod 362 to move along the axial direction of the elastic rotating shaft 36, so that the originally mutually meshed patterned wheel 361 and the patterned rod 362 are separated, the patterned wheel 361 and the patterned rod 362 are meshed to prevent the elastic rotating shaft 36 from rotating, the patterned rod 362 is separated from the patterned wheel 361, the connecting line 37 is wound on the outer wall of the elastic rotating shaft 36 under the driving of the reverse acting force of the elastic rotating shaft 36, and meanwhile, the telescopic rod 35 is driven to be;

the telescopic rod 35 is close to the elastic rotating shaft 36 to drive the door panels 32 on the same set of sliding rails 311 to fold mutually, the multiple sets of rotating rods 33 on the sliding rails 311 move to be close to the set of rotating rods 33 rotating relative to the sliding rails 311, and the door panels 32 are folded to open the front and rear side walls of the door frame 31.

In the normal state, the plurality of door panels 32 on the sliding rail 311 are in the unfolded state, and the plurality of door panels 32 in the unfolded state form a front and rear side wall door of the closing door frame 31.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a prevent compound fire door that prevents stifled steel wood, includes door frame (1) and prevents fire door body (3), prevent fire door body (3) and articulate through first hinge (2) and be used for opening or closed door frame (1) on door frame (1), prevent that fire door body (3) lateral wall installs handle (5), its characterized in that: the fireproof door body (3) comprises a door frame (31) and a plurality of groups of door plates (32), opposite inner side wall edges of the front and the back of the fireproof door body (3) are provided with mutually parallel sliding rails (311), one end of each door plate (32) moves and rotates on the corresponding sliding rail (311) through a rotating rod (33), every two adjacent door plates (32) share one group of rotating rods (33), every two adjacent door plates (32) are hinged through a second hinge (34) between the ends, away from the rotating rods (33), of the door plates (32), on the same group of sliding rails (311), are unfolded to realize the front and back side wall openings of the closed door frame (31), the front and back side wall openings of the door frame (31) are opened through folding of the plurality of groups of door plates (32) on the same group of sliding rails (311), an elastic rotating shaft (36) is arranged inside the door frame (31), the rotating rods (33), close to the elastic rotating shaft (36), on the same, keep away from on different sets of slide rail (311) between two sets of door plant (32) of elasticity pivot (36) and connect through articulated telescopic link (35), be connected with connecting wire (37) between telescopic link (35) and elasticity pivot (36), elasticity pivot (36) one end is connected with flower line wheel (361), recess (313) have been seted up on portal (31), be provided with elastic component (314) and push rod (315) in recess (313), the rigid coupling has flower line pole (362) with flower line wheel (361) meshing on push rod (315), promotes push rod (315) move and compress elastic component (314) along elasticity pivot (36) axis direction and make flower line pole (362) break away from flower line wheel (361).

2. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: and a door closer (4) for keeping the normally closed door frame (1) of the fireproof door body (3) is connected between the door frame (1) and the fireproof door body (3).

3. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: the fireproof door body (3) is a steel-wood fireproof door.

4. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: the handle (5) is made of bakelite.

5. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: and a plurality of groups of door panels (32) are folded towards one side inside the door frame (31).

6. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: the groove (313) is communicated or isolated with the outside through a safety window (316), and the safety window (316) is made of fragile materials.

7. The anti-blocking steel-wood composite fireproof door according to claim 1, characterized in that: and a baffle (312) positioned on the outer side of the sliding rail (311) is arranged on the door frame (31).