CN213654683U - Sealing structure of fireproof door - Google Patents

Abstract

The utility model relates to a prevent fire door seal structure relates to the technical field who prevents fire door, has improved the problem that flame stretchs from the door leaf bottom, and it includes door frame and door leaf, the articulated setting of door leaf and door frame, the door frame is including inlaying the underframe of locating ground, sliding connection has the plugging strip about the underframe, the shutoff groove has been seted up to the door leaf bottom, the underframe is provided with and is used for promoting the elastic component that the plugging strip pegged graft in the shutoff groove, the inside catch bar that is used for promoting the plugging strip and breaks away from the shutoff groove that is provided with of door leaf, the inside driving piece that is used for driving the catch bar lapse that is provided with of door leaf, the shop front both sides of door leaf are provided with the. This application has the effect of hindering the flame to spread from the door leaf bottom.

Description

Sealing structure of fireproof door

Technical Field

The utility model belongs to the technical field of the fire door's technique and specifically relates to a fire door seal structure.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance.

At present, the chinese utility model patent with publication number CN203430353U discloses a fire door, which comprises a door frame. The door comprises at least one door leaf movably arranged in a door frame, wherein the door leaf comprises an outer surface layer, two heat-insulating fireproof layers and filling materials, the two heat-insulating fireproof layers cover the upper surface and the lower surface of a door leaf frame and form a cavity inside the door leaf frame, the filling materials are arranged in the cavity, and the outer surface of each heat-insulating fireproof layer covers the outer surface layer; a plurality of middle transverse supports for supporting and reinforcing the structure are arranged in the cavity, and filling materials are filled in the cavity between the middle transverse supports.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the inside fire prevention material of filling of fire door, therefore the door leaf has certain weight, and in order to reduce the door leaf degree of difficulty that opens and shuts, certain clearance has between door leaf bottom and the ground, and the door sill is not established usually between door leaf bottom and the ground for the convenient vehicle is current simultaneously, so when catching fire, the possible door leaf bottom clearance of flame is spread along ground.

SUMMERY OF THE UTILITY MODEL

In order to hinder flame from spreading from the door leaf bottom, the application provides a prevent fire door seal structure.

The application provides a prevent fire door seal structure adopts following technical scheme:

the utility model provides a prevent fire door seal structure, includes door frame and door leaf, the articulated setting of door leaf and door frame, the door frame is including inlaying the underframe of locating ground, sliding connection has the shutoff strip from top to bottom on the underframe, the shutoff groove has been seted up to the door leaf bottom, the underframe is provided with and is used for promoting the elastic component that the shutoff strip was pegged graft in the shutoff groove, the inside catch bar that is used for promoting the shutoff strip and breaks away from the shutoff groove that is provided with of door leaf, the inside driving piece that is used for driving the catch bar lapse that is provided with of door leaf, the shop front both sides of door leaf are provided with the action bars.

By adopting the technical scheme, when the door leaf is closed, the elastic piece pushes the plugging strip to be inserted into the plugging groove, so that the bottom of the door leaf and the ground are sealed, and flame can be prevented from spreading along the ground from the bottom of the door leaf; before opening the door leaf, through action bars drive driving piece for the driving piece promotes catch bar lapse, pushes away the plugging strip from the shutoff groove, then can open the door leaf, and the door leaf is opened the process simple, and convenient to use slides from top to bottom in the underframe simultaneously, and the plugging strip receives the extrusion lapse when the vehicle is current, can not lead to the fact the influence to the vehicle is current.

Optionally, a mounting groove is formed in the door leaf, a mounting rod is slidably connected in the mounting groove, the mounting rod is perpendicular to the door surface of the door leaf, the driving piece is a driving block, the driving block is arranged on one side, facing the push rod, of the mounting rod, the driving block comprises a butting portion and a sliding portion, the butting portion is located on one side, away from the mounting rod, of the driving block and is used for butting the push rod, the sliding portion is located on two sides of the driving block and located between the two sliding portions, and one side, away from the plugging strip, of the push rod is slidably connected to the sliding portion.

Through adopting above-mentioned technical scheme, slidable mounting pole drives the drive block motion during the use for the catch bar slides down, is favorable to promoting the shutoff strip and breaks away from the shutoff groove.

Optionally, the door leaf is symmetrically provided with operation holes, one side of each operation hole is communicated with the corresponding installation groove, the other side of each operation hole penetrates through the door surface of the door leaf to the outside, the operation rod is connected to the operation holes in a sliding mode, and one end, facing the installation rod, of the operation rod is fixed to the installation rod.

Through adopting above-mentioned technical scheme, drive the installation pole motion through the action bars during the use, the both sides shop front of door leaf is provided with the action bars respectively, can operate in the both sides of door leaf respectively for the shutoff strip breaks away from the shutoff groove.

Optionally, an operation block is arranged on one side of the operation rod, which is far away from the installation rod, and the diameter of the operation block is larger than that of the operation rod.

Through adopting above-mentioned technical scheme, drive the action bars through the operation piece and move during the use, the operation piece is great, is favorable to reducing the operation degree of difficulty of action bars.

Optionally, a hemispherical sliding block is arranged on one side of the push rod, which is close to the driving block.

Through adopting above-mentioned technical scheme, slider sliding connection is in the glide plane during the use, is favorable to reducing the resistance between catch bar and the drive block.

Optionally, a pushing hole communicated with the plugging groove is formed in the door leaf, the pushing rod is connected to the pushing hole in a sliding mode, a limiting groove is formed in the groove wall on the periphery of the pushing hole in a communicating mode, a limiting block is arranged on the periphery of the pushing rod in a sliding mode and connected to the limiting groove, and the bottom of the pushing rod and the bottom of the door leaf are located on the same horizontal plane when the limiting block abuts against the bottom of the limiting groove.

By adopting the technical scheme, the limiting block is connected to the limiting groove in a sliding mode during use, the pushing rod can be prevented from being separated from the pushing hole, when the limiting block abuts against the groove wall at the bottom of the limiting groove, the bottom of the pushing rod and the bottom of the door leaf are located on the same plane, and the possibility that the pushing rod rubs with the ground is reduced.

Optionally, the inside spread groove that upwards runs through to the external world of having seted up of door frame, blocking strip sliding connection is in the spread groove, the blocking strip both sides are provided with the restriction piece, the restriction groove has been seted up in the spread groove both sides intercommunication respectively, restriction piece sliding connection is in the restriction groove, the elastic component is coupling spring, the spread groove is kept away from blocking strip one side cell wall intercommunication and has been seted up the spring pocket, coupling spring has a plurality ofly and installs in the spring pocket, coupling spring one end butt in the blocking strip, other end butt in the spring pocket.

Through adopting above-mentioned technical scheme, connecting spring elasticity release during the use promotes the shutoff strip and upwards slides, and connecting spring simple structure, convenient to use.

Optionally, the shutoff strip is kept away from spread groove one side and is set up in ARC structure, ARC structure protrusion spread groove to the external world.

Through adopting above-mentioned technical scheme, cambered surface structure protrusion spread groove to external world for can promote the shutoff strip downwards through cambered surface structure when the vehicle is current, make the shutoff strip can not lead to the fact the hindrance to the vehicle is current.

In summary, the present application includes at least one of the following benefits:

1. when the door leaf is closed until the plugging groove is aligned to the plugging strip, the elastic piece is elastically released to push the plugging strip to be inserted into the plugging groove, so that a gap between the bottom of the door leaf and the ground is plugged, and flame can be prevented from spreading from the bottom of the door leaf; before the door leaf is opened, the driving block is driven to move through the operating rod, so that the pushing rod pushes the plugging strip to be separated from the plugging groove, and then the door leaf can be opened, and the door leaf opening device is simple in opening process and convenient to use;

2. when the limiting block abuts against the groove wall at the bottom of the limiting groove, the bottom of the push rod and the bottom of the door leaf are located on the same plane and can limit, and the push rod can push the sealing strip out of the blocking groove and cannot rub with the ground.

Drawings

FIG. 1 is a schematic diagram of the external structure of an embodiment of the present application;

fig. 2 is a schematic internal cross-sectional view of an embodiment of the present application.

Reference numerals: 1. a door frame; 2. a door leaf; 3. a bottom frame; 4. a plugging strip; 5. plugging the groove; 6. a push rod; 7. an operating lever; 8. mounting grooves; 9. mounting a rod; 10. a drive block; 101. a sliding part; 102. an abutting portion; 11. an operation hole; 12. an operation block; 13. a slider; 14. a push hole; 15. a limiting groove; 16. a limiting block; 17. connecting grooves; 18. a limiting block; 19. a limiting groove; 20. a spring slot; 21. a connecting spring; 22. a cambered surface structure; 23. a sign slot; 24. the groove is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

For the fire door sealing structure disclosed for this application embodiment, see fig. 1, fire door sealing structure includes door leaf 2 and door frame 1, and door leaf 2 one side articulates in door frame 1. During the installation 1 week side of door frame pour with the wall body to be connected, and door frame 1 includes underframe 3, and underframe 3 inlays to be established with ground for 3 tops of underframe and ground looks parallel and level.

Referring to fig. 1 and 2, a connecting groove 17 is formed in the door frame 1, and the connecting groove 17 penetrates the bottom frame 3 to the outside in the direction of the door 2. The upper and lower sliding connection of spread groove 17 has shutoff strip 4, and shutoff groove 5 has been seted up to door leaf 2 bottom, and shutoff groove 5 runs through to both sides to the external world along 2 bottom length direction of door leaf. An elastic piece is arranged in the connecting groove 17, when the door leaf 2 is closed, the elastic piece is elastically released to push the plugging strip 4 to be inserted into the plugging groove 5, and sealing between the bottom of the door leaf 2 and the ground is achieved.

Referring to fig. 2, the groove walls at both sides of the connecting groove 17 are communicated with each other to form a limiting groove 19, the two sides of the blocking strip 4 are fixedly connected with limiting blocks 18 respectively, and the limiting blocks 18 are vertically and slidably connected to the limiting groove 19 to prevent the blocking strip 4 from sliding away from the connecting groove 17. The elastic component is connecting spring 21, and the cell wall that connecting groove 17 kept away from door leaf 2 one side has seted up a plurality of spring grooves 20 along length direction intercommunication, and connecting spring 21 has a plurality ofly and installs respectively in spring groove 20, and connecting spring 21 one end butt keeps away from door leaf 2 one side cell wall in spring groove 20, and the other end butt is in plugging strip 4.

Referring to fig. 2, the side of the blocking strip 4 away from the connecting groove 17 is a cambered surface structure 22, and when the connecting spring 21 elastically releases, the connecting spring 21 pushes the blocking strip 4 to slide towards the direction away from the connecting groove 17, so that the cambered surface structure 22 protrudes out of the connecting groove 17 to the outside. When the vehicle passes through, the vehicle extrudes the cambered surface structure 22 to enable the blocking strip 4 to slide downwards, and the connecting spring 21 contracts at the moment, so that the blocking strip 4 cannot obstruct the vehicle passing.

Referring to fig. 2, a pushing hole 14 is formed in the door leaf 2, and the pushing hole 14 is located right above the blocking groove 5 and communicated to the middle position of the blocking groove 5. The pushing hole 14 is connected with a pushing rod 6 in a vertical sliding mode and used for pushing the plugging strip 4 away from the plugging groove 5. Spacing groove 15 has been seted up in the intercommunication of the side pore wall all around of promotion hole 14, and fixedly connected with stopper 16 is all around to catch bar 6, and sliding connection is in spacing groove 15 about stopper 16 for hinder catch bar 6 to break away from promotion hole 14. Meanwhile, when the bottom of the limiting block 16 abuts against the groove wall at the bottom of the limiting groove 15, the bottom of the pushing rod 6 and the bottom of the door leaf 2 are located on the same plane, so that the possibility that the pushing rod 6 rubs with the ground is reduced while the blocking strip 4 is pushed out of the blocking groove 5.

Referring to fig. 2, door leaf 2 is inside to be seted up mounting groove 8, and mounting groove 8 is located directly over the driving groove, and mounting groove 8 sliding connection has installation pole 9, and installation pole 9 is perpendicular mutually with the shop front side of door leaf 2. The door leaf 2 is internally provided with a driving piece for driving the push rod 6 to slide downwards. The driving piece is a driving block 10, and the driving block 10 is fixedly connected to one side of the mounting rod 9 close to the push rod 6. The door leaf 2 is internally provided with a driving groove 24, and the driving groove 24 is respectively communicated with the mounting groove 8 and the pushing hole 14. The drive block 10 is slidably connected to the drive slot 24.

Referring to fig. 2, the driving block 10 includes a sliding portion 101 and an abutting portion 102, the abutting portion 102 is located on a side of the driving block 10 away from the mounting rod 9, and when the pushing rod 6 abuts against the abutting portion 102, the pushing rod 6 pushes the plugging strip 4 to be separated from the plugging slot 5. The sliding portions 101 are located on both sides of the drive block 10, and the abutting portions 102 are located between and adjacent to the two sliding portions 101. When in use, one side of the pushing rod 6, which is far away from the plugging strip 4, is slidably connected to the sliding part 101, and is used for driving the pushing rod 6 to slide downwards. The hemispherical slider 13 is arranged on one side of the push rod 6 close to the driving block 10, and when the push rod is used, the slider 13 slides on the sliding part 101, so that the friction force between the driving block 10 and the push rod 6 is reduced. The mounting lever 9 has a square lever structure so that the sliding portion 101 and the abutting portion 102 can be held in a state of facing the push lever 6.

Referring to fig. 2, two sides of the door panel of the door leaf 2 are respectively provided with an operating rod 7 for driving the driving block 10 to move. Operating hole 11 has been seted up to 2 inside symmetries of door leaf, and operating hole 11 is perpendicular mutually with the shop front side of door leaf 2 to operating hole 11 one side is linked together with mounting groove 8, and the other end runs through the shop front side of door leaf 2 to external, and operating rod 7 sliding connection is in operating hole 11.

Referring to fig. 2, an operation block 12 is fixedly connected to one end of the operation rod 7, which is far away from the installation rod 9, the diameter of the operation block 12 is larger than that of the operation hole 11, and when the operation rod 7 is driven by the operation block 12, the installation rod 9 slides under the driving of the operation rod 7. An annular mark groove 23 is formed on the periphery of the operating rod 7, the length of the groove wall of the mark groove 23 close to the central axis of the operating rod 7 is equal to the length of the abutting part 102, and when the groove wall of the mark groove 23 close to the central axis of the operating rod 7 is not positioned right below the door side of the door 2, the slider 13 abuts against the abutting part 102.

The implementation principle of the sealing structure of the fireproof door of the embodiment is as follows:

in the initial state, the groove wall of the marker groove 23 on both sides close to the central axis of the operating rod 7 is not located directly below the door surface of the door 2, and the slider 13 is separated from the abutting portion 102. When the door leaf 2 was closed, the door leaf 2 promoted earlier that blocking strip 4 slided downwards, until blocking strip 4 and shutoff groove 5 are punctual relatively, connecting spring 21 promoted blocking strip 4 upwards to slide and peg graft in shutoff groove 5, and blocking strip 4 pegs graft and upwards promotes catch bar 6 in the in-process in shutoff groove 5 and slide, and slider 13 is close to towards installation rod 9 direction this moment. When the door leaf 2 needs to be opened, the operating rod 7 is driven by the operating block 12, so that the driving block 10 slides, when one side groove wall of the mark groove 23 close to the central axis of the operating hole 11 is vertical to the door surface of the door leaf 2, the sliding block 13 abuts against the abutting part 102, the driving push rod 6 pushes the plugging strip 4 to be separated from the plugging groove 5, and then the door leaf 2 can be opened. The whole process is simple, and the sealing strip 4 is inserted into the sealing groove 5 to seal the gap between the bottom of the door leaf 2 and the ground, so that flame is prevented from spreading from the bottom of the door leaf 2.

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 (8)

1. The utility model provides a prevent fire door seal structure, includes door frame (1) and door leaf (2), door leaf (2) are articulated to be set up in door frame (1), its characterized in that: door frame (1) is including inlaying underframe (3) of locating ground, sliding connection has plugging strip (4) from top to bottom in underframe (3), plugging groove (5) have been seted up to door leaf (2) bottom, underframe (3) are provided with and are used for promoting plugging strip (4) and peg graft in the elastic component of plugging groove (5), door leaf (2) inside is provided with catch bar (6) that are used for promoting plugging strip (4) to break away from plugging groove (5), door leaf (2) inside is provided with and is used for driving catch bar (6) gliding driving piece downwards, the shop front both sides of door leaf (2) are provided with action bars (7) that are used for driving the driving piece respectively.

2. A fire door sealing structure according to claim 1, wherein: the door leaf (2) is internally provided with a mounting groove (8), the mounting groove (8) is internally and slidably connected with a mounting rod (9), the mounting rod (9) is perpendicular to the door surface of the door leaf (2), the driving piece is a driving block (10), the driving block (10) is arranged on one side, facing the pushing rod (6), of the mounting rod (9), the driving block (10) comprises a butting portion (102) and a sliding portion (101), the butting portion (102) is located on one side, away from the mounting rod (9), of the driving block (10) and is abutted against the pushing rod (6), the sliding portion (101) is located on two sides of the driving block (10), the butting portion (102) is located between the two sliding portions (101), and one side, away from the blocking strip (4), of the pushing rod (6) is slidably connected to the sliding portion (101).

3. A fire door sealing structure according to claim 2, wherein: the door leaf (2) is symmetrically provided with operation holes (11), one side of each operation hole (11) is communicated with the corresponding installation groove (8), the other side of each operation hole penetrates through the door face of the door leaf (2) to the outside, the operation rod (7) is connected to the corresponding operation hole (11) in a sliding mode, and the operation rod (7) is fixed to the corresponding installation rod (9) towards one end of the corresponding installation rod (9).

4. A fire door sealing structure according to claim 3, wherein: an operation block (12) is arranged on one side, far away from the installation rod (9), of the operation rod (7), and the diameter of the operation block (12) is larger than that of the operation rod (7).

5. A fire door sealing structure according to claim 2, wherein: one side of the push rod (6) close to the driving block (10) is provided with a hemispherical slide block (13).

6. A fire door sealing structure according to claim 1, wherein: the novel door leaf is characterized in that a pushing hole (14) communicated with the blocking groove (5) is formed in the door leaf (2), the pushing rod (6) is connected to the pushing hole (14) in a sliding mode, a limiting groove (15) is formed in the side wall of the pushing hole (14) in a communicated mode, a limiting block (16) is arranged on the side of the pushing rod (6) in the peripheral mode, the limiting block (16) is connected to the limiting groove (15) in a sliding mode, and the bottom of the pushing rod (6) and the bottom of the door leaf (2) are located on the same horizontal plane when the limiting block (16) abuts.

7. A fire door sealing structure according to claim 1, wherein: door frame (1) inside has been seted up and has upwards run through to external spread groove (17), blocking strip (4) sliding connection is in spread groove (17), blocking strip (4) both sides are provided with restriction piece (18), spread groove (17) both sides communicate respectively and have seted up restriction groove (19), restriction piece (18) sliding connection is in restriction groove (19), the elastic component is connecting spring (21), spread groove (17) are kept away from blocking strip (4) one side cell wall intercommunication and have been seted up spring groove (20), connecting spring (21) have a plurality ofly and install in spring groove (20), connecting spring (21) one end butt in blocking strip (4), the other end butt in spring groove (20).

8. A fire door sealing structure according to claim 7, wherein: the plugging strip (4) is far away from one side of the connecting groove (17) and is arranged on the cambered surface structure (22), and the cambered surface structure (22) protrudes out of the connecting groove (17) to the outside.

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