CN213654680U

CN213654680U - Fire-proof door

Info

Publication number: CN213654680U
Application number: CN202022394044.0U
Authority: CN
Inventors: 刘静丽; 洪玮
Original assignee: Fujian Fusheng Door Manufacturing Co ltd
Current assignee: Fujian Fusheng Door Manufacturing Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-09
Anticipated expiration: 2030-10-23

Abstract

The application relates to a fireproof door, which relates to the technical field of fireproof doors, improves the problem that a doorsill can block the passing of vehicles, which comprises a door frame with the bottom embedded on the ground and a door leaf hinged on the door frame, wherein the part of the door frame close to the bottom is connected with a doorsill in a vertical sliding way, the bottom of the door frame is provided with an elastic pushing piece for pushing the door threshold to abut against the bottom of the door leaf, the two sides of the door threshold are respectively provided with a clamping groove, the two sides of the door frame are respectively connected with a clamping block in a sliding way, the door frame is provided with an elastic driving piece for driving the clamping block to be clamped in the clamping groove, the middle part of the threshold is provided with a mounting groove, an unlocking component used for pushing the clamping block to be separated from the clamping groove is arranged in the mounting groove, the fixed slot has been seted up at the threshold top, door frame top sliding connection has the piece of supporting, the door frame is provided with and is used for promoting to support the elastic component that the piece supported the fixed slot bottom cell wall tightly. The application has the possible effect of reducing the possibility that the threshold blocks the passing of the vehicle.

Description

Fire-proof door

Technical Field

The application relates to the technical field of fireproof doors, in particular to a 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.

At present, the patent of the utility model with the publication number CN208416380U discloses a fire-proof door, which comprises a door body, a door frame including a doorsill, and a door head. Fireproof cotton is arranged at the gap between the door and the door frame and the door head, the door body comprises a veneer, a wood board and an iron board, the iron board is coated by the wood board, the outer surface of the wood board is provided with a fireproof board, and the veneer is attached to the surface of the fireproof board; the door lintel comprises a shell, a tank body and fixed blocks, wherein a strip opening is formed in the bottom of the shell, an ejector is arranged above the fixed blocks, the tank body is arranged on the two fixed blocks, a fire retardant liquid is arranged in the tank body, a door frame is connected with the shell through welding, a water receiving opening is formed in the strip opening of the shell, fireproof cotton is arranged in the water receiving opening, and a water guide hole is formed below the fireproof cotton.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the door frame includes the threshold, can hinder the flame from stretching from the door leaf bottom, but, the threshold has certain height, causes the hindrance when the vehicle passes easily.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the threshold causes hindrance to the passing of vehicles, the application provides a fireproof door.

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

the utility model provides a fireproof door, includes that the bottom inlays the door frame of locating ground and articulates in the door leaf of door frame, sliding connection has the threshold about the door frame is close to the bottom part, the door frame bottom is provided with the elastic pushing piece that is used for promoting threshold butt in the door leaf bottom, the draw-in groove has been seted up respectively to the threshold both sides, sliding connection has the fixture block respectively to the door frame both sides, the door frame is provided with the elastic driving piece that is used for driving the fixture block joint in the draw-in groove, the mounting groove has been seted up at the threshold middle part, be provided with in the mounting groove and be used for promoting the unblock subassembly that the fixture block breaks away from the draw-in groove, the fixed slot has been.

By adopting the technical scheme, when the anti-collision device is used, the clamping block is pushed away from the clamping groove through the unlocking assembly, then the doorsill slides downwards until the abutting block is aligned with the fixing groove, at the moment, the elastic piece is elastically released to push the abutting block to abut against the fixing groove, so that the doorsill is fixed, and then a vehicle can pass without being influenced by the doorsill; after the use is completed, the abutting block is pushed to separate from the fixed groove, the elastic driving piece drives the doorsill to move upwards until the clamping groove is aligned with the clamping block, and at the moment, the elastic driving piece pushes the clamping block to be clamped in the clamping groove, so that the doorsill is fixed and can be normally used.

Optionally, a resisting groove is formed in the top of the door frame, the resisting block is connected to the resisting groove in a sliding mode, the elastic piece is a resisting spring, the resisting spring is installed in the resisting groove, one end of the resisting spring is abutted to the resisting block, the other end of the resisting spring is abutted to the resisting groove, a shifting hole is formed in the top groove wall of the resisting groove in a communicating mode, a shifting block is arranged at the top of the resisting block, and the shifting block slides in the shifting hole.

By adopting the technical scheme, when in use, the abutting spring pushes the abutting block to slide into the fixed groove, so that the threshold is prevented from sliding upwards; the pushing block pushes the abutting block to be separated from the fixed groove, so that the doorsill can slide upwards.

Optionally, the door frame is provided with a connecting groove which penetrates upwards to the outside, the door threshold is connected to the connecting groove in an up-and-down sliding manner, the elastic pushing members are pushing springs, the pushing springs are multiple and are respectively installed in the connecting groove, the top of each pushing spring abuts against the bottom of the door threshold, and the bottom of each pushing spring abuts against the bottom of the connecting groove.

Through adopting above-mentioned technical scheme, promote spring elasticity release and promote threshold upward movement during the use for the threshold bulges to the external world.

Optionally, chutes are respectively formed in two sides of the door frame, the fixture block is slidably connected to the chutes, the elastic driving member is a driving spring, the driving spring is installed in the chute, one end of the driving spring abuts against the fixture block, the other end of the driving spring abuts against the chute, a sliding surface is obliquely formed in the bottom of the fixture block, and the top of the doorsill slides on the sliding surface.

Through adopting above-mentioned technical scheme, drive spring elasticity release during the use promotes the fixture block joint in the draw-in groove for the threshold is fixed.

Optionally, a limiting groove is formed in the groove wall of the periphery of the sliding groove in a communicating mode, limiting blocks are arranged on two sides of the clamping block respectively, and the limiting blocks are connected to the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, spacing block sliding connection is in the spacing groove during the use for the position of restriction fixture block hinders the fixture block and breaks away from the spout.

Optionally, the unlocking assembly includes a driving block and a transmission rod, the driving block is vertically slidably connected to the mounting groove, the threshold is provided with a transmission hole, the clamping groove is communicated with the mounting groove through the transmission hole, the transmission rod is slidably connected to the transmission hole, the top of the transmission rod is obliquely provided with a transmission surface, and the bottom of the driving block slides on the transmission surface.

By adopting the technical scheme, the driving block slides downwards when the doorsill is used, and the driving rod is driven to push the clamping block to be separated from the clamping groove, so that the doorsill can slide downwards.

Optionally, the transmission rod is of a square rod structure.

Through adopting above-mentioned technical scheme, the transfer line is the square beam structure, is favorable to keeping the state that the driving surface faced the drive block.

Optionally, the limiting groove has been seted up in mounting groove both sides cell wall intercommunication, the drive block both sides are provided with the limiting block, sliding connection is in the limiting groove about the limiting block, install reset spring in the limiting groove, reset spring top butt in the limiting block bottom, reset spring bottom butt in limiting groove bottom cell wall.

Through adopting above-mentioned technical scheme, reset spring release promotes the drive block and upwards slides during the use for the transfer line can not receive the influence of drive block when keeping away from the draw-in groove direction and sliding.

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

1. when the locking device is used, the unlocking assembly pushes the clamping block to be separated from the clamping groove, then the doorsill slides downwards until the fixing groove is aligned with the abutting block, so that the abutting block slides into the fixing groove under the pushing of the elastic piece to fix the doorsill, and the vehicle cannot be influenced by the doorsill when passing;

2. when the limiting block is used, the limiting block is connected to the limiting groove in a sliding mode, so that the position of the clamping block is limited, and the clamping block is prevented from being separated from the clamping groove.

Drawings

FIG. 1 is a schematic view of a raised threshold according to an embodiment of the present invention;

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

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of a connection structure of a stop block according to an embodiment of the present application;

fig. 5 is a schematic structural view of the threshold after sliding down according to the embodiment of the present application.

Reference numerals: 1. a door frame; 2. a door leaf; 3. a threshold; 4. a card slot; 5. a clamping block; 6. mounting grooves; 7. an unlocking assembly; 701. a drive block; 702. a transmission rod; 8. fixing grooves; 9. a propping block; 10. abutting against the groove; 11. a shifting block; 12. a toggle hole; 13. connecting grooves; 14. a push spring; 15. a chute; 16. a drive spring; 17. a sliding surface; 18. a limiting groove; 19. a limiting block; 20. a drive bore; 21. a driving surface; 22. a limiting groove; 23. a limiting block; 24. a return spring; 25. a baffle ring; 26. a baffle groove; 27. the spring is tightly propped; 28. a blocking block; 29. blocking the groove.

Detailed Description

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

For a fire door disclosed in the embodiment of the present application, referring to fig. 1, the fire door includes a door frame 1 and a door leaf 2. During installation, the bottom part of the door frame 1 is embedded on the ground, the top part and the two sides of the door frame are poured into a whole with a wall body through cement, and the door leaf 2 is hinged to the door frame 1.

Referring to fig. 2, the bottom portion of the doorframe 1 is opened with a connecting groove 13, and the connecting groove 13 penetrates the doorframe 1 upward to the outside. The connecting groove 13 is connected with the doorsill 3 in a vertical sliding mode, blocking blocks 28 are fixedly connected to two sides of the doorsill 3, and blocking grooves 29 are formed in the groove walls of two sides of the connecting groove 13 in a communicated mode. The stop 28 is slidably connected to the stop groove 29 in use for stopping the threshold 3 from being separated from the connecting groove 13.

Referring to fig. 2, the bottom of the door frame 1 is provided with an elastic pushing member, and when the door frame is used, the elastic pushing member pushes the door sill 3 to slide upwards until the top of the door sill 3 abuts against the bottom of the door leaf 2, so that sealing is realized between the bottom of the door leaf 2 and the door frame 1. The elastic pushing part is a pushing spring 14, a plurality of pushing spring grooves are uniformly arranged at the bottom of the connecting groove 13 at intervals, the pushing springs 14 are arranged in the pushing spring grooves in a plurality and are respectively arranged, one end of each pushing spring 14 abuts against the groove wall of the bottom of each pushing spring groove, and the other end of each pushing spring abuts against the bottom of the threshold 3. When in use, the pushing spring 14 is elastically released to push the threshold 3 to slide upwards, and meanwhile, the state of the threshold 3 can be kept. For the convenience of installing the door frame 1, the bottom of the door frame 1 adopts a two-half structure, and the door frame is fixed by welding after the installation is finished.

Referring to fig. 2 and 3, two sides of the doorsill 3 are respectively provided with a clamping groove 4, two sides of the door frame 1 are respectively provided with a sliding groove 15, and the sliding grooves 15 penetrate to the outside in the direction of the middle of the door frame 1. A clamping block 5 is connected in the sliding groove 15 in a sliding mode, and the clamping block 5 is clamped in the clamping groove 4 in use and used for fixing the doorsill 3, so that the doorsill 3 can be normally used when a vehicle does not pass through. The side wall of the sliding groove 15 is communicated with a limiting block 19, the two sides of the fixture block 5 are fixedly connected with the limiting block 19 respectively, and the limiting block 19 is connected to the limiting groove 18 in a sliding mode and used for preventing the fixture block 5 from being separated from the sliding groove 15.

Referring to fig. 2 and 3, the door frame 1 is provided with an elastic driving member for driving the clamping block 5, so that the clamping block 5 is clamped in the clamping groove 4. The elastic driving member is a driving spring 16, the driving spring 16 is installed in the sliding slot 15, one end of the driving spring 16 abuts against the clamping block 5, the other end of the driving spring abuts against the sliding slot 15, and the driving spring 16 pushes the clamping block 5 to slide towards the clamping slot 4 when the elasticity is released.

Referring to fig. 2 and 3, the bottom of the latch 5 is obliquely provided with a sliding surface 17, the top of the rocker 3 is slidably connected to the sliding surface 17, and the sliding surface 17 slides in the limiting groove 22 through the limiting block 19 to keep a state of facing the rocker 3. When the threshold 3 slides upwards, the threshold 3 slides on the sliding surface 17 to push the fixture block 5 to slide towards the sliding groove 15, and when the threshold 3 slides upwards until the fixture block 5 is opposite to the clamping groove 4, the driving spring 16 pushes the fixture block 5 to be clamped in the clamping groove 4, so that the threshold 3 is fixed.

Referring to fig. 3, in order to facilitate installation of the fixture block 5 and the driving spring 16, a blocking groove 26 is formed in a portion, close to the doorsill 3, of the sliding groove 15, the blocking groove 26 is communicated with the limiting groove 18, and the blocking ring 25 is clamped in the blocking groove 26. When the driving spring 16 is installed, the driving spring is installed in the sliding groove 15, then the clamping block 5 is slid in, and finally the retaining ring 25 is clamped in the retaining groove 26.

Referring to fig. 2 and 3, a mounting groove 6 is formed in the middle of the threshold 3, and an unlocking assembly 7 is arranged in the mounting groove 6 and used for pushing the clamping block 5 to be separated from the clamping groove 4. The unlocking assembly 7 comprises a driving block 701 and a transmission rod 702, and the driving block 701 is connected to the mounting groove 6 in a sliding mode up and down. The inside of the threshold 3 is provided with a transmission hole 20 along the length direction, the clamping groove 4 is communicated with the mounting groove 6 through the transmission hole 20, and the transmission rod 702 is connected to the transmission hole 20 in a sliding manner. The transmission surface 21 is obliquely arranged at the top of the transmission rod 702, when the driving block 701 slides downwards, the bottom of the driving block 701 is connected to the transmission surface 21 in a sliding mode, the transmission rod 702 is pushed towards the direction of the fixture block 5, when the bottom of the driving block 701 abuts against the groove wall at the bottom of the mounting groove 6, one side, far away from the driving block 701, of the transmission rod 702 and the side face of the threshold 3 are located on the same plane, and the fixture block 5 is completely pushed out of the clamping. The driving lever 702 adopts a square lever structure so that the driving surface 21 can be maintained in a state of facing the driving block 701.

Referring to fig. 2 and 3, the groove walls on both sides of the mounting groove 6 are respectively communicated with a limiting groove 22, and both sides of the driving block 701 are respectively and fixedly connected with a limiting block 23. When in use, the limiting block 23 is connected with the limiting groove 22 in a sliding way up and down, and prevents the driving block 701 from being separated from the mounting groove 6. A return spring groove is formed in the groove wall of the bottom of the limiting groove 22, a return spring 24 is installed in the limiting groove 22, one end of the return spring 24 abuts against the groove wall of the bottom of the return spring groove, and the other end of the return spring abuts against the bottom of the limiting block 23. When the device is used, the reset spring 24 is elastically released to push the driving block 701 to move upwards, so that the driving block 701 cannot cause obstruction to the transmission rod 702 when sliding towards the direction away from the clamping groove 4. In order to facilitate the installation of the driving rod 702 and the driving block 701, the threshold 3 is in a two-half structure and is finally fixed by welding.

Referring to fig. 2 and 3, when the top of the limiting block 23 abuts against the top groove wall of the limiting groove 22, the top of the driving block 701 is in the same plane with the top of the threshold 3. The length of the driving block 701 is large, and when the driving block 701 is used, one sole treads on the top of the driving block 701 to extrude the driving block 701 downwards. When the driving block 701 drives the driving rod 702 to push the fixture block 5 to be separated from the fixture slot 4, the driving block 701 is continuously pressed, and at the moment, the threshold 3 slides downwards under the action of the extrusion force until the top of the driving block 701 is flush with the ground.

Referring to fig. 4 and 5, at this time, another sole continuously presses the top of the doorsill 3 to make the doorsill 3 continuously slide downwards, the top of the doorsill 3 is provided with a fixing groove 8, the top of the doorframe 1 is slidably connected with a supporting block 9, and the bottom of the supporting block 9 is supported by the top of the fixing groove 8 to prevent the doorsill 3 from sliding upwards, so that the vehicle is not obstructed by the doorframe 1 at the same time.

Referring to fig. 4 and 5, the top of the doorframe 1 is provided with a fastening groove 10, a fastening block 9 is slidably connected to the fastening groove 10, the doorframe 1 is provided with an elastic member, when the fastening block 9 aligns with the fixing groove 8, the elastic member elastically releases to push the fastening block 9 to slide into the fixing groove 8, so that the bottom of the fastening block 9 abuts against the top of the fixing groove 8.

Referring to fig. 4, the elastic member is a resisting spring 27, the resisting spring 27 is installed in the resisting groove 10, one end of the resisting spring 27 abuts against the resisting block 9, and the other end abuts against the groove wall of the resisting groove 10. The top groove wall of the abutting groove 10 is communicated with a toggle hole 12, the top of the abutting block 9 is screwed with a toggle block 11, and the toggle block 11 is connected with the toggle hole 12 in a sliding manner. Stir during the use and dial piece 11, can drive to support tight piece 9 and break away from fixed slot 8 for threshold 3 can upwards slide, hinders through dialling piece 11 simultaneously that support tight piece 9 breaks away from and supports tight groove 10. When the installation is carried out, the abutting spring 27 is firstly installed in the abutting groove 10, then the abutting block 9 slides in, and finally the shifting block 11 is screwed on the top of the abutting block 9 to complete the installation.

The implementation principle of this embodiment prevents fire door does:

when the vehicle needs to pass through, a sole is stepped on drive block 701 top and is stepped on downwards and is pressed for drive block 701 drives transfer line 702 and promotes fixture block 5 and breaks away from draw-in groove 4, drive block 701 drives threshold 3 and slides down after that, until supporting tight piece 9 and aim at fixed slot 8, support tight spring 27 this moment and promote to support tight piece 9 and slide into fixed slot 8, make to support tight piece 9 and support tight 8 bottom cell walls of fixed slot, realize threshold 3's fixed, can not receive threshold 3's influence when the vehicle is current this moment, can directly pass. After the use, the pushing block 11 pushes the abutting block 9 to slide away from the fixed groove 8, then the reset spring 24 pushes the doorsill 3 to slide upwards until the fixture block 5 is aligned with the clamping groove 4, and the driving spring 16 drives the fixture block 5 to be clamped in the clamping groove 4, so that the doorsill 3 is fixed and can be normally used.

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 prevent fire door, includes that the bottom inlays door frame (1) of locating ground and articulates door leaf (2) in door frame (1), its characterized in that: the part of the door frame (1) close to the bottom is connected with a doorsill (3) in a vertical sliding way, the bottom of the door frame (1) is provided with an elastic pushing piece used for pushing the doorsill (3) to abut against the bottom of the door leaf (2), clamping grooves (4) are respectively formed in two sides of the doorsill (3), clamping blocks (5) are respectively connected to two sides of the door frame (1) in a sliding mode, the door frame (1) is provided with an elastic driving piece for driving the clamping block (5) to be clamped in the clamping groove (4), a mounting groove (6) is formed in the middle of the doorsill (3), an unlocking component (7) used for pushing the clamping block (5) to be separated from the clamping groove (4) is arranged in the mounting groove (6), the top of the doorsill (3) is provided with a fixed groove (8), the top of the doorframe (1) is connected with a propping block (9) in a sliding way, the door frame (1) is provided with an elastic piece for pushing the abutting block (9) to abut against the bottom groove wall of the fixing groove (8).

2. A fire rated door as claimed in claim 1, further comprising: the door frame (1) top is seted up and is supported tight groove (10), support tight piece (9) sliding connection in support tight groove (10), the elastic component is support tight spring (27), support tight spring (27) and install in supporting tight groove (10), support tight spring (27) one end butt in supporting tight piece (9), the other end butt in supporting tight groove (10), support tight groove (10) top cell wall intercommunication and seted up toggle hole (12), it is provided with toggle block (11) to support tight piece (9) top, toggle block (11) slide in toggle hole (12).

3. A fire rated door as claimed in claim 1, further comprising: the door frame (1) is provided with a connecting groove (13) which upwards penetrates to the outside, the doorsill (3) is connected with the connecting groove (13) in an up-and-down sliding mode, the elastic pushing piece is a pushing spring (14), the pushing springs (14) are multiple and are respectively installed on the connecting groove (13), the top of the pushing spring (14) abuts against the bottom of the doorsill (3), and the bottom of the pushing spring (14) abuts against the groove wall of the bottom of the connecting groove (13).

4. A fire rated door as claimed in claim 1, further comprising: sliding grooves (15) are respectively formed in two sides of the door frame (1), the clamping blocks (5) are slidably connected to the sliding grooves (15), the elastic driving piece is a driving spring (16), the driving spring (16) is installed in the sliding grooves (15), one end of the driving spring (16) is abutted to the clamping blocks (5), the other end of the driving spring is abutted to the sliding grooves (15), sliding surfaces (17) are obliquely formed in the bottoms of the clamping blocks (5), and the tops of the doorsills (3) slide on the sliding surfaces (17).

5. A fire rated door as claimed in claim 4, further comprising: spacing groove (18) have been seted up in spout (15) week side cell wall intercommunication, fixture block (5) both sides are provided with stopper (19) respectively, stopper (19) sliding connection is in spacing groove (18).

6. A fire rated door as claimed in claim 5, further comprising: the unlocking assembly (7) comprises a driving block (701) and a transmission rod (702), the driving block (701) is vertically and slidably connected to the mounting groove (6), a transmission hole (20) is formed in the doorsill (3), the clamping groove (4) is communicated with the mounting groove (6) through the transmission hole (20), the transmission rod (702) is slidably connected to the transmission hole (20), the top of the transmission rod (702) is obliquely provided with a transmission surface (21), and the bottom of the driving block (701) slides on the transmission surface (21).

7. The fire rated door as recited in claim 6, further comprising: the transmission rod (702) is of a square rod structure.

8. The fire rated door as recited in claim 6, further comprising: restriction groove (22) have been seted up in mounting groove (6) both sides cell wall intercommunication, driving block (701) both sides are provided with limiting block (23), sliding connection is in limiting groove (22) about limiting block (23), install reset spring (24) in limiting groove (22), reset spring (24) top butt in limiting block (23) bottom, reset spring (24) bottom butt in limiting groove (22) bottom cell wall.