CN213743084U

CN213743084U - High strength fire door is prevented to building

Info

Publication number: CN213743084U
Application number: CN202022221462.XU
Authority: CN
Inventors: 林彦彤; 龙娇; 任瑾
Original assignee: Guangdong Pingrun Construction Engineering Co ltd
Current assignee: Guangdong Pingrun Construction Engineering Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-20
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to the technical field of the technique of special door and specifically relates to a high strength building prevents fire door, and it includes the door frame and articulates the door plant that sets up in the door frame, and the activity groove has been seted up to the door plant bottom, and the activity inslot slides along vertical direction and is provided with the fly leaf, is provided with the drive fly leaf on the door plant and slides along vertical direction's lifting unit. This application has and is convenient for seal the clearance between door plant and ground for smog is difficult for getting into the face of fleing through the clearance on door plant and ground when taking place the conflagration, and then utilizes the effect of fleing of the personnel that suffer a disaster.

Description

High strength fire door is prevented to building

Technical Field

The application relates to the field of special doors, in particular to a high-strength building fireproof door.

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 fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

In order to keep the smooth stability of the fire door when the fire door is opened and closed, a certain gap is usually reserved between the door panel and the ground of the fire door after the fire door is installed.

In view of the above-mentioned related arts, the inventor believes that it is difficult to seal the gap between the door panel and the ground, and smoke is likely to enter the escape surface from the gap between the door panel and the ground in the case of a fire, which affects escape.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the clearance to between door plant and ground to seal for smog is difficult for getting into through the clearance on door plant and ground and flees the face when taking place the conflagration, and then utilizes disaster-stricken person's the fleeing for one's life, this application provides a high strength fire door for building.

The application provides a high strength fire door for building adopts following technical scheme:

the utility model provides a high strength fire door for building, includes the door frame and articulates the door plant that sets up in the door frame, its characterized in that: the door plate is characterized in that a movable groove is formed in the bottom of the door plate, a movable plate is arranged in the movable groove in a sliding mode along the vertical direction, and a lifting assembly for driving the movable plate to slide along the vertical direction is arranged on the door plate.

Through adopting above-mentioned technical scheme, when taking place the conflagration, at first close the door plant, through lifting unit drive fly leaf afterwards for the fly leaf slides to the state of supporting tight ground along vertical direction, thereby seals the gap between door plant and ground, and then makes the smog when taking place difficult to get into the face of fleing of the personnel of suffering from a disaster from the clearance department on door plant and ground, and then does benefit to and flees.

Optionally, the lift subassembly includes wedge, reset spring and slide bar, the fixed slot has been seted up to a cell wall of activity groove horizontal direction, the wedge is located the fixed slot and with fixed sliding fit, reset spring is fixed to be set up between fixed slot and wedge, slide bar fixed connection is in the wedge, just the slide bar is worn out the door plant along the direction of keeping away from the fixed slot notch and is outer and with the cooperation of sliding of door plant, the door plant is provided with and carries out spacing locating part to the slide bar, the fixed orifices that corresponds with the wedge position is seted up to the door plant, the cooperation of pegging graft of wedge and fixed orifices.

Through adopting above-mentioned technical scheme, promote the wedge through the slide bar and slide in the fixed slot, conflict when the wedge face of wedge in the pore wall of fixed orifices, the fly leaf carries out the motion of vertical direction thereupon because of self action of gravity and under the limiting displacement of movable groove, carry on spacingly to slide bar position through the locating part, can make wedge and fly leaf position fixation firm, reset spring's elastic action is convenient for the staff and promotes the wedge and slide towards fixed orifices place direction, move the motion that can realize the vertical direction of fly leaf to the slide bar, make staff's drive fly leaf carry out the easy and simple to handle of vertical direction motion, therefore, the clothes hanger is strong in practicability.

Optionally, the slide bar includes straight rod portion and horizontal pole portion, straight rod portion fixed connection is in the wedge, just outside the door plant was worn out in straight rod portion, horizontal pole portion is mutually perpendicular with straight rod portion, just horizontal pole portion and straight rod portion normal running fit, the locating part is the stopper of fixed connection in the door plant, the stopper seted up with horizontal pole portion joint complex spacing groove, when the horizontal pole position was in the spacing groove, the wedge was located the fixed slot completely.

Through adopting above-mentioned technical scheme, when pulling horizontal pole portion carries out the motion of horizontal direction, straight pole portion drives the wedge and moves along with it, and then realizes the motion of the vertical direction of fly leaf, when the wedge is located the fixed slot completely, rotates horizontal pole portion and makes the horizontal pole integrated circuit board go into the spacing inslot, can fix wedge position, and the setting of stopper makes the fixed simple structure of horizontal pole portion, and the practicality is strong.

Optionally, the wedge surface of the wedge block is rotatably provided with a roller.

Through adopting above-mentioned technical scheme, being provided with of gyro wheel does benefit to the frictional force when reducing wedge face and the fixed orifices pore wall of wedge inconsistent to make the wedge difficult appear because of the wearing and tearing condition that leads to with the fixed orifices pore wall friction repeatedly.

Optionally, a jack communicated with the movable groove is formed in one side of the door plate, a slot is formed in one side of the movable plate facing the jack, the jack and the slot are located on the same vertical line, and an insertion block in insertion connection and matching with the jack and the slot is arranged on the door plate.

Through adopting above-mentioned technical scheme, will insert the piece and pass the jack and insert in the slot and can further spacing to the position of fly leaf to be favorable to further promoting the stability of fly leaf position.

Optionally, a slot wall of the movable slot far from the slot opening is fixedly connected with an expansion spring, and one end of the expansion spring is fixedly connected to the movable plate.

Through adopting above-mentioned technical scheme, expanding spring's elastic force effect makes the fly leaf have the trend of further following the activity groove downstream to be favorable to further strengthening the stability of its position after the fly leaf wears out the activity groove.

Optionally, a guide block is fixedly connected to a wall of the movable groove, the movable plate is provided with a guide groove extending in the vertical direction, and the guide block is located in the guide groove and is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, the cooperation of sliding of guide block and guide way plays further guide effect when moving the fly leaf to be favorable to further strengthening the stability when the fly leaf moves along vertical direction.

Optionally, the bottom of the movable plate is fixedly connected with a sealing gasket.

Through adopting above-mentioned technical scheme, after the fly leaf worn out the activity groove, sealed the pad supports tightly ground under the self gravity of fly leaf and expanding spring's elasticity effect, and the elastic deformation that takes place when sealed the pad and ground contact is favorable to further strengthening the leakproofness between door plant and ground.

In summary, the present application includes at least one of the following beneficial technical effects:

the movable plate slides along the vertical direction to a state of abutting against the ground to play a role in sealing a gap between the door plate and the ground, so that smoke is not easy to enter an escape surface of a disaster-stricken person from the gap between the door plate and the ground when a fire disaster occurs, and escape is facilitated;

the sliding rod is moved, so that the movable plate can move in the vertical direction, the operation that a worker drives the movable plate to move in the vertical direction is simple and convenient, and the practicability is high;

the arrangement of the idler wheel is beneficial to reducing the friction force when the wedge-shaped surface of the wedge-shaped block is abutted to the hole wall of the fixed hole, so that the wedge-shaped block is not easy to wear due to friction with the hole wall of the fixed hole.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial sectional structural schematic view of a door panel in an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a wedge block in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a movable plate in the embodiment of the present application.

Description of reference numerals: 1. a door frame; 2. a door panel; 3. a movable groove; 4. a movable plate; 5. a guide block; 6. a guide groove; 7. a wedge block; 8. a return spring; 9. a slide bar; 901. a straight rod part; 902. a crossbar portion; 10. fixing grooves; 11. a roller; 12. a limiting block; 13. a limiting groove; 14. a tension spring; 15. a gasket; 16. a jack; 17. a slot; 18. inserting a block; 181. a plug-in part; 182. a grip portion; 19. a containing groove; 20. taking the groove; 21. and (7) fixing holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses high strength fire door for building. Referring to fig. 1, the high-strength fireproof door for buildings comprises a door frame 1 and two door panels 2 which are hinged and arranged on the door frame 1 and symmetrically arranged, wherein the two door panels 2 are used for opening and closing the opening of the door frame 1, and a certain gap is reserved between the door panels 2 and the ground so as to facilitate the opening and closing of the door panels 2.

Referring to fig. 2 and 3, movable groove 3 has all been seted up to the bottom of door plant 2, it is provided with fly leaf 4 to slide along vertical direction in the movable groove 3, the width of activity slightly is less than the width of door plant 2, stability when sliding along vertical direction for reinforcing fly leaf 4, the equal fixedly connected with guide block 5 of two cell walls of 3 horizontal directions in movable groove, guide way 6 that extends to fly leaf 4 both sides along vertical direction is all seted up to the both sides of 4 horizontal directions in fly leaf, guide block 5 all is the dovetail with the cross section of guide way 6, so that the difficult skew in position of horizontal direction when fly leaf 4 slides.

With reference to fig. 4 and 5, a lifting assembly is disposed on the door panel 2, the lifting assembly includes a wedge 7, a return spring 8 and a sliding rod 9, a fixing groove 10 is disposed on a groove wall of the movable groove 3 in the horizontal direction, the wedge 7 is located in the fixing groove 10 and is in sliding fit with the fixing groove 10, one end of the return spring 8 is connected to a groove wall of the fixing groove 10 away from the notch, the other end of the return spring 8 is fixedly connected to the wedge 7, so that a wedge surface of the wedge 7 penetrates out of the fixing groove 10, the door panel 2 is disposed with a fixing hole 21 corresponding to the wedge 7, the wedge 7 slides in the fixing groove 10, so that when the wedge surface of the wedge 7 abuts against a hole wall of the fixing hole 21, the movable panel 4 moves in the vertical direction along with the fixing hole, a hole depth of the fixing hole 21 is greater than a gap between the bottom of the door panel 2 and the ground, so that when the movable panel 4 slides in the vertical direction, the fixed hole 21 is just right with the wedge face of wedge 7 all the time, and for reducing the wearing and tearing condition that wedge 7 and fixed hole 21 pore wall lead to because of the friction, the wedge face of wedge 7 rotates installs four gyro wheels 11 along its length direction evenly distributed, and the wedge face of wedge 7 is worn out to the outer peripheral face of gyro wheel 11.

Referring to fig. 3 and 4, the sliding rod 9 includes a straight rod portion 901 and a horizontal rod portion 902, one end of the straight rod portion 901 is fixedly connected to the wedge-shaped block 7, the other end of the straight rod portion 901 penetrates out of the door panel 2 along a direction away from the notch of the fixing groove 10 and is in sliding fit with the door panel 2, the return spring 8 is sleeved outside the straight rod portion 901, the horizontal rod portion 902 is perpendicular to the straight rod portion 901, the horizontal rod portion 902 is in rotating fit with one end of the straight rod portion 901 away from the wedge-shaped block 7 through a bearing, the straight rod portion 901 is located in the middle of the length direction of the horizontal rod portion 902, the door panel 2 is provided with a limiting member, the limiting member is two limiting blocks 12 which are oppositely arranged and fixedly connected to the door panel 2, one end of the limiting block 12 away from the door panel 2 is provided with a limiting groove 13, the horizontal rod portion 902 is in clamping fit with the limiting groove 13, when the horizontal rod portion 902 is located in the limiting grooves 13 of the two limiting blocks 12, the positions of the straight rod portion 901 and the wedge-shaped block 7 are fixed together, and the wedge block 7 is completely positioned in the fixed groove 10, at this time, the movable plate 4 penetrates out of the movable groove 3 and is tightly propped against the ground so as to seal a gap between the door plate 2 and the ground.

Referring to fig. 3 and 5, the cell wall fixedly connected with expanding spring 14 of its notch is kept away from to activity groove 3, expanding spring 14 has a plurality ofly along the length direction evenly distributed of its place face, the equal fixed connection in fly leaf 4 of one end that its place cell wall was kept away from to expanding spring 14, in order to exert the elasticity of vertical direction to fly leaf 4, thereby be convenient for fly leaf 4 wear out outside activity groove 3, the bottom of fly leaf 4 is fly leaf 4 promptly and is kept away from the tip bonding of wearing out outside activity groove 3 and be fixed with sealed the pad 15, the material of sealed pad 15 selects the rubber material for having added the fire retardant, in order to be guaranteeing to prevent under the fire door's fire behavior prerequisite, because of its self elastic deformation's effect is to the stable sealing in gap between door plant 2 and ground.

Referring to fig. 2 and 3, in order to further enhance the stability of the movable plate 4 when the movable plate 4 is located in the movable slot 3, a jack 16 communicated with the movable slot 3 is provided at one side of the door panel 2 where the limiting block 12 is provided, a slot 17 located on the same vertical line as the jack 16 is provided at one side of the movable plate 4 facing the jack 16, an insertion block 18 is provided on the door panel 2, the insertion block 18 includes an insertion portion 181 and a holding portion 182 fixedly connected to one end of the insertion portion 181, the insertion portion 181 is in insertion fit with the jack 16 and the slot 17, and when the insertion portion 181 passes through the jack 16 and is inserted into the slot 17, the position of the movable plate 4 in the movable slot 3 is fixed accordingly.

Referring to fig. 3, two sets of the insertion holes 16, the insertion grooves 17 and the insertion blocks 18 are arranged along the horizontal direction to further fix the position of the movable plate 4, two accommodating grooves 19 are formed in one side of the door panel 2 where the limiting blocks 12 are arranged and correspond to the two holding portions 182, when the insertion portion 181 penetrates through the insertion holes 16 and is inserted into the insertion groove 17, the holding portions 182 are located in the accommodating grooves 19 to keep the surface of the door panel 2 integral, and in order to facilitate the worker to take out the holding portions 182, a taking groove 20 is formed in one groove wall of the accommodating groove 19 in the vertical direction.

The implementation principle of the fire door is prevented to high strength building of this application embodiment does: when a fire disaster occurs, firstly, the two door panels 2 are closed, then the inserting block 18 is pulled down, the wedge block 7 is pulled through the sliding rod 9, the wedge block 7 is separated from the fixing hole 21, the cross rod part 902 is rotated to enable the cross rod part 902 to be located in the limiting groove 13, the position of the wedge block 7 is accordingly fixed, at the moment, the movable plate 4 slides to the state that the sealing gasket 15 tightly supports the ground along the vertical direction under the elastic action of the telescopic spring 14 and the self gravity action, the gap between the door panels 2 and the ground is sealed, smoke is prevented from entering the escape face of a disaster-stricken person from the gap between the door panels 2 and the ground when the fire disaster occurs, and escape is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high strength fire door for building, includes door frame (1) and articulated door plant (2) that set up in door frame (1), its characterized in that: the bottom of the door plate (2) is provided with a movable groove (3), a movable plate (4) is arranged in the movable groove (3) in a sliding manner along the vertical direction, and a lifting assembly for driving the movable plate (4) to slide along the vertical direction is arranged on the door plate (2);

lifting unit includes wedge (7), reset spring (8) and slide bar (9), fixed slot (10) have been seted up to a cell wall of activity groove (3) horizontal direction, wedge (7) be located fixed slot (10) and with fixed cooperation of sliding, reset spring (8) are fixed to be set up between fixed slot (10) and wedge (7), slide bar (9) fixed connection in wedge (7), just door plant (2) are worn out outward and are slided the cooperation with door plant (2) along the direction of keeping away from fixed slot (10) notch in slide bar (9), door plant (2) are provided with and carry out spacing locating part to slide bar (9), fixed orifices (21) that correspond with wedge (7) position are seted up in door plant (2), wedge (7) and fixed orifices (21) cooperation of pegging graft.

2. A high strength fire rated door for construction as claimed in claim 1, wherein: the sliding rod (9) comprises a straight rod part (901) and a cross rod part (902), the straight rod part (901) is fixedly connected to the wedge-shaped block (7), the straight rod part (901) penetrates out of the door plate (2), the cross rod part (902) is perpendicular to the straight rod part (901), the cross rod part (902) is in running fit with the straight rod part (901), the limiting part is a limiting block (12) fixedly connected to the door plate (2), the limiting block (12) is provided with a limiting groove (13) in clamping fit with the cross rod part (902), and when the cross rod part (902) is located in the limiting groove (13), the wedge-shaped block (7) is completely located in the fixing groove (10).

3. A high strength fire rated door for construction as claimed in claim 2, wherein: and a roller (11) is rotatably arranged on the wedge surface of the wedge block (7).

4. A high strength fire rated door for construction as claimed in claim 2, wherein: the door plate is characterized in that a jack (16) communicated with the movable groove (3) is formed in one side of the door plate (2), a slot (17) is formed in one side, facing the jack (16), of the movable plate (4), the jack (16) and the slot (17) are located on the same vertical line, and an insertion block (18) which is in insertion connection with the jack (16) and the slot (17) in a matched mode is arranged on the door plate (2).

5. A high strength fire rated door for construction as claimed in claim 1, wherein: the groove wall of the movable groove (3) far away from the groove opening is fixedly connected with an expansion spring (14), and one end of the expansion spring (14) is fixedly connected with the movable plate (4).

6. A high strength fire door for buildings as claimed in claim 5 wherein: the cell wall fixedly connected with guide block (5) of activity groove (3), guide way (6) along vertical direction extension are seted up in activity board (4), guide block (5) are located guide way (6) and with guide way (6) cooperation of sliding.

7. A high strength fire door for buildings as claimed in claim 6 wherein: the bottom of the movable plate (4) is fixedly connected with a sealing gasket (15).