CN218265680U

CN218265680U - Magnetic self-locking fireproof door

Info

Publication number: CN218265680U
Application number: CN202222516158.7U
Authority: CN
Inventors: 张季冬
Original assignee: Jiangsu Dongguan Intelligent Technology Co ltd
Current assignee: Jiangsu Dongguan Intelligent Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-10
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a fire door is prevented in auto-lock is inhaled to magnetism relates to prevent fire door technical field. This fire door is prevented in auto-lock is inhaled to magnetism, including fire-resistant door frame and fire-resistant door frame body, it is inside through hinge joint and fire-resistant door frame to prevent fire-resistant door body, it all rotates in the inside both sides of fire-resistant door body and is connected with the sleeve, two the inside homogenization of sleeve is connected with the threaded rod, the equal fixedly connected with thread bush in the inside both sides of fire-resistant door frame, the inside sliding connection of threaded rod has the inserted bar, the inside reset spring that is provided with of threaded rod, the equal fixedly connected with position sleeve in the inside both sides of fire-resistant door frame. This fire door is prevented in auto-lock is inhaled to magnetism is favorable to carrying out the automatic locking to fire door frame and fire door body, prevents that fire door body from opening, improves the fire prevention effect, and convenient to use is favorable to carrying out the unblock to fire door body and fire door frame, makes things convenient for personnel to flee away from the scene of a fire fast, improves the security.

Description

Magnetic self-locking fireproof door

Technical Field

The utility model relates to a prevent fire door specifically is magnetic attraction auto-lock prevents fire door belongs to and prevents fire door technical field.

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. The fireproof partition is arranged in fireproof partitions, evacuation staircases, vertical shafts and the like, has certain fire resistance, is specially used for isolating fire sources in house buildings, has a huge effect on fire fighting work, and can be used for people to obtain escape opportunities through a fireproof door in case of fire.

The utility model discloses a fire door is prevented to auto-lock by magnetism is inhaled to present published application No. CN216788200U, prevent fire door when the state of closing, inside hasp can be the closed condition, the locking lever can be hung the couple on the hasp simultaneously, form the closed condition, when preventing fire door need be opened, twist the ring gear that the door handle can drive the rear and rotate, drive the switching ring simultaneously, the switching ring can drive the row's tooth of both sides, row's tooth can stimulate the hasp and make its shrink become the open condition, when preventing fire door and opening, magnetism piece can be by the spring pulling, magnetism piece can inwards move this moment, drive the locking lever simultaneously and contract, prevent under the fire door open condition, resilior can be closed with pulling fire door, when preventing fire door closure, magnetism piece can be outwards inhaled, it catches the automatic locking of fire door to drive the locking lever.

Above-mentioned scheme can reach the auto-lock when using, but when personnel opened, need rotate the handle and open and prevent fire door, when the conflagration takes place, the temperature is higher, and the handle can scald very much, and the people rotates the handle and can scald the hand very probably, and the influence is opened the door, and the security is lower, is unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a magnetic absorption self-locking fireproof door in order to solve the problems, so as to solve the problem that the fireproof door in the prior art can reach the self-locking when in use, but when the person opens, the handle needs to be rotated to open the fireproof door, when the fire disaster happens, the temperature is higher, the handle can be very hot, the person rotates the handle and can scald the hand, the influence is opened the door, the security is lower, and the magnetic absorption self-locking fireproof door is not favorable to the problem of use.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: magnetism is inhaled auto-lock and is prevented fire door, including fire-resistant door frame and prevent fire door body, prevent that fire door body passes through the hinge and articulate inside with fire-resistant door frame, prevent that the inside both sides of fire door body all rotate and be connected with the sleeve, two the inside homogenization of sleeve is connected with the threaded rod, the equal fixedly connected with thread bush in the inside both sides of fire-resistant door frame, two the threaded rod runs through two thread bushes respectively and with two thread bush threaded connection, the inside sliding connection of threaded rod has the inserted bar, the inside reset spring that is provided with of threaded rod, the reset spring both ends respectively with inserted bar and threaded rod fixed connection, the equal fixedly connected with position sleeve in the inside both sides of fire-resistant door frame, two the inserted bar respectively with two position sleeve looks adaptations.

Preferably, a plurality of spacing grooves have been seted up to sleeve inside, a plurality of sliders of threaded rod one end fixedly connected with are a plurality of the slider is respectively with a plurality of spacing groove looks adaptation, is favorable to spacing the slider to drive the threaded rod and rotate.

Preferably, two fixedly connected with pivot between the sleeve, pivot outside fixedly connected with gear, the inside fixedly connected with of fire-resistant door frame supports the cover, support the inside sliding connection of cover and have the montant, montant bottom fixedly connected with pinion rack, the pinion rack is connected with the gear engagement, is favorable to driving the gear and rotates.

Preferably, support cover top fixedly connected with baffle, the montant outside is located to the baffle cover, montant top fixedly connected with supporting spring, supporting spring top fixedly connected with magnetic pole, magnetic pole top fixedly connected with swash plate is favorable to making the fire-resistant door frame carry on spacingly to make the swash plate drive the magnetic pole and to prevent the inside shrink of fire door body.

Preferably, the magnetic pole runs through fire-resistant door frame top and with fire-resistant door frame sliding connection, the cover is inhaled to inside top fixedly connected with magnetism of fire-resistant door frame, the cover is inhaled to magnetism and magnetic pole looks adaptation, is favorable to spacing the magnetic pole.

Preferably, prevent that the inside handle that articulates of lateral wall before the fire door body, prevent the inside fixedly connected with stop collar of fire door body, the inside sliding connection of stop collar has the rack, is favorable to supporting the rack.

Preferably, a sliding rod is fixedly connected to one side of the rack, a sliding groove is formed in the handle, the sliding rod penetrates through the sliding groove and is in sliding connection with the sliding groove, and the rack is in meshed connection with the gear, so that the rack drives the gear to rotate.

Preferably, fire-resistant door frame one side top articulates there is the door closer, the door closer other end is articulated with prevent fire door body, is favorable to the pulling to prevent that fire door body resets.

The utility model provides a fire door is prevented in auto-lock is inhaled to magnetism, its beneficial effect who possesses as follows:

1. this fire door is prevented in auto-lock is inhaled to magnetism, prevent that fire door body resets through the door closer pulling, make prevent that fire door body is closed to fire-resistant door frame inside, thereby make magnetic pole and the contact of fire-resistant door frame, fire-resistant door frame carries on spacingly to the swash plate, make the swash plate drive the magnetic pole to prevent the inside shrink of fire door body, the magnetic pole drives supporting spring and descends, supporting spring drives the montant and descends, thereby make the montant drive the pinion rack descend, the pinion rack drives the gear and rotates, the gear drives the pivot and rotates, thereby it rotates to drive the pivot, the sleeve rotates and drives the slider and rotate, the slider rotates and drives the threaded rod and rotates, because threaded rod and thread bush threaded connection, make the threaded rod remove when rotating, thereby make the threaded rod drive the peg graft pole and remove, make peg pole and position sleeve joint, thereby carry out the joint to the position sleeve. Be favorable to carrying on spacingly to preventing fire door body, be favorable to carrying out the automatic locking to fire-resistant door frame and prevent that fire door body from opening, improve fire prevention effect, convenient to use.

2. This fire door is prevented in auto-lock is inhaled to magnetism drives the handle through drop-down handle and deflects, make the handle drive the slide bar and remove, the slide bar drives the rack and rises, make the rack drive gear descend, the gear descends and drives the sleeve and rotate, it drives the threaded rod and rotates to make the sleeve rotate, thereby make the threaded rod to the inside shrink of sleeve, make the threaded rod drive peg graft bar inside the position sleeve break away from, and the gear rotates and drives the pinion rack decline, the pinion rack drives the montant and descends, the montant drives the magnet bar and descends, thereby make the magnet bar break away from the joint with the magnetism cover, be favorable to preventing fire door body and fire-resistant door frame unblock, make things convenient for personnel to flee from the scene of a fire fast, and the safety is improved.

Drawings

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

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a side sectional view of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion B of FIG. 2 according to the present invention;

fig. 6 is a schematic structural view of the swash plate of the present invention.

In the figure: 1. a fire resistant door frame; 2. a fire door body; 3. a sleeve; 4. a threaded rod; 5. a threaded sleeve; 6. A slider; 7. a limiting groove; 8. a plug-in rod; 9. a positioning sleeve; 10. a return spring; 11. a rotating shaft; 12. A gear; 13. a support sleeve; 14. a vertical rod; 15. a toothed plate; 16. a baffle plate; 17. a support spring; 18. A magnetic rod; 19. a sloping plate; 20. a handle; 21. a position limiting sleeve; 22. a rack; 23. a slide bar; 24. a door closer; 25. magnetic sleeve.

Detailed Description

The embodiment of the utility model provides a fire door is prevented in auto-lock is inhaled to magnetism.

Referring to fig. 1, 2, 3, 4, 5 and 6, the fireproof door comprises a fireproof door frame 1 and a fireproof door body 2, wherein the fireproof door body 2 is hinged to the inside of the fireproof door frame 1 through a hinge, a door closer 24 is hinged to the top of one side of the fireproof door frame 1, the other end of the door closer 24 is hinged to the fireproof door body 2, so as to facilitate pulling the fireproof door body 2 to reset, two sides of the inside of the fireproof door body 2 are rotatably connected with sleeves 3, two sleeves 3 are uniformly connected with threaded rods 4, two sides of the inside of the fireproof door frame 1 are fixedly connected with threaded sleeves 5, the two threaded rods 4 respectively penetrate through the two threaded sleeves 5 and are in threaded connection with the two threaded sleeves 5, an inserting rod 8 is slidably connected to the inside of the threaded rod 4, a return spring 10 is arranged inside the threaded rod 4, two ends of the return spring 10 are respectively fixedly connected with the inserting rod 8 and the threaded rod 4, two sides of the inside of the fireproof door frame 1 are fixedly connected with positioning sleeves 9, two inserting rods 8 are respectively matched with two positioning sleeves 9, a plurality of limiting grooves 7 are formed in the sleeves 3, one end of a threaded rod 4 is fixedly connected with a plurality of sliding blocks 6, the plurality of sliding blocks 6 are respectively matched with the plurality of limiting grooves 7 to be beneficial to limiting the sliding blocks 6 so as to drive the threaded rod 4 to rotate, a rotating shaft 11 is fixedly connected between the two sleeves 3, a gear 12 is fixedly connected to the outer side of the rotating shaft 11, a supporting sleeve 13 is fixedly connected to the inner side of the fireproof door frame 1, a vertical rod 14 is slidably connected to the inner side of the supporting sleeve 13, a toothed plate 15 is fixedly connected to the bottom end of the vertical rod 14, the toothed plate 15 is meshed with the gear 12 to be beneficial to driving the gear 12 to rotate, a baffle 16 is fixedly connected to the top of the supporting sleeve 13, the baffle 16 is sleeved on the outer side of the vertical rod 14, a supporting spring 17 is fixedly connected to the top of the vertical rod 14, and a magnetic rod 18 is fixedly connected to the top of the supporting

spring

17, 18 top fixedly connected with swash plate 19 of magnetic pole, be favorable to making fire-resistant door frame 1 spacing to swash plate 19, thereby make swash plate 19 drive magnetic pole 18 to preventing the inside shrink of fire door body 2, magnetic pole 18 run through fire-resistant door frame 1 top and with fire-resistant door frame 1 sliding connection, the cover 25 is inhaled to the inside top fixedly connected with magnetism of fire-resistant door frame 1,

inhale cover

25 and 18 looks adaptations of magnetic pole, be favorable to spacing magnet pole 18, prevent that the inside articulated handle 20 that has of lateral wall before the fire door body 2, prevent the inside fixedly connected with stop collar 21 of fire door body 2, the inside sliding connection of stop collar 21 has rack 22, be favorable to supporting rack 22, rack 22 one side fixedly connected with slide bar 23, the inside spout of having seted up of handle 20, slide bar 23 run through the spout and with spout sliding connection, rack 22 is connected with gear 12 meshing, make rack 22 drive gear 12 rotate.

Specifically, through 24 pulling of door closer on fire door body 2 resets, make fire door body 2 to the inside closure of fire door frame 1, thereby make magnetic pole 18 and the contact of fire door frame 1, fire door frame 1 is spacing to swash plate 19, make swash plate 19 drive magnetic pole 18 and to preventing the inside shrink of fire door body 2, magnetic pole 18 drives supporting spring 17 descends, supporting spring 17 drives montant 14 and descends, thereby make montant 14 drive pinion rack 15 descend, pinion rack 15 drives gear 12 and rotates, gear 12 drives pivot 11 and rotates, thereby it rotates to drive pivot 11 and drive two sleeves 3, sleeve 3 rotates and drives slider 6 and rotate, slider 6 rotates and drives threaded rod 4 and rotates, because threaded

rod

4 and 5 threaded connection, make threaded rod 4 move when rotating, thereby make threaded rod 4 drive peg graft pole 8 and move, make peg graft pole 8 and position sleeve 9 joint, thereby carry out the joint to position sleeve 9. Be favorable to spacing preventing fire door body 2, be favorable to carrying out automatic locking to fire-resistant door frame 1 and prevent fire door body 2, prevent to prevent that fire door body 2 from opening, improve fire prevention effect, convenient to use.

Drive handle 20 through pull-down handle 20 and deflect, make handle 20 drive slide bar 23 and remove, slide bar 23 drives rack 22 and rises, make rack 22 drive gear 12 descend, gear 12 descends and drives sleeve 3 and rotate, make sleeve 3 rotate and drive threaded rod 4 and rotate, thereby make threaded rod 4 to the inside shrink of sleeve 3, make threaded rod 4 drive spliced rod 8 and break away from 9 insides of position sleeve, and gear 12 rotates and drives pinion rack 15 and descend, pinion rack 15 drives montant 14 and descends, montant 14 drives magnet bar 18 and descends, thereby make magnet bar 18 and magnetism cover 25 break away from the joint, be favorable to carrying out the unblock to preventing fire door body 2 and fire-proof door frame 1, make things convenient for personnel to flee from the scene of a fire fast, the security is improved.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Fire door is prevented in auto-lock of magnetism, including fire-resistant door frame (1) and prevent fire door body (2), prevent that fire door body (2) pass through inside hinge joint and fire-resistant door frame (1), its characterized in that: prevent that the inside both sides of fire door body (2) are all rotated and are connected with sleeve (3), two the inside homogenization of sleeve (3) is connected with threaded rod (4), the equal fixedly connected with thread bush (5) in the inside both sides of fire-resistant door frame (1), two threaded rod (4) run through two thread bushes (5) respectively and with two thread bush (5) threaded connection, the inside sliding connection of threaded rod (4) has spliced rod (8), threaded rod (4) inside is provided with reset spring (10), reset spring (10) both ends respectively with spliced rod (8) and threaded rod (4) fixed connection, the equal fixedly connected with position sleeve (9) in the inside both sides of fire-resistant door frame (1), two spliced rod (8) respectively with two position sleeve (9) looks adaptations.

2. The magnetic suction self-locking fire door according to claim 1, characterized in that: a plurality of spacing grooves (7) are formed in the sleeve (3), a plurality of sliding blocks (6) are fixedly connected to one end of the threaded rod (4), and the sliding blocks (6) are matched with the spacing grooves (7) respectively.

3. The magnetic suction self-locking fire door according to claim 1, characterized in that: two fixedly connected with pivot (11) between sleeve (3), pivot (11) outside fixedly connected with gear (12), the inside fixedly connected with of fire-resistant door frame (1) supports cover (13), it has montant (14) to support inside sliding connection of cover (13), montant (14) bottom fixedly connected with pinion rack (15), pinion rack (15) are connected with gear (12) meshing.

4. The magnetic suction self-locking fire door according to claim 3, characterized in that: support cover (13) top fixedly connected with baffle (16), montant (14) outside is located to baffle (16) cover, montant (14) top fixedly connected with supporting spring (17), supporting spring (17) top fixedly connected with magnetic pole (18), magnetic pole (18) top fixedly connected with swash plate (19).

5. The magnetic suction self-locking fire door according to claim 4, characterized in that: the magnetic rod (18) penetrates through the top of the fireproof door frame (1) and is in sliding connection with the fireproof door frame (1), the magnetic attraction sleeve (25) is fixedly connected to the top end inside the fireproof door frame (1), and the magnetic attraction sleeve (25) is matched with the magnetic rod (18).

6. The magnetic suction self-locking fire door according to claim 1, characterized in that: prevent that inside articulated of lateral wall has handle (20) before fire door body (2), prevent that the inside fixedly connected with stop collar (21) of fire door body (2), stop collar (21) inside sliding connection has rack (22).

7. The magnetic suction self-locking fire door according to claim 6, characterized in that: the handle is characterized in that a sliding rod (23) is fixedly connected to one side of the rack (22), a sliding groove is formed in the handle (20), the sliding rod (23) penetrates through the sliding groove and is in sliding connection with the sliding groove, and the rack (22) is in meshed connection with the gear (12).

8. The magnetic suction self-locking fire door according to claim 1, characterized in that: the fireproof door is characterized in that a door closer (24) is hinged to the top of one side of the fireproof door frame (1), and the other end of the door closer (24) is hinged to the fireproof door body (2).