Self-opening fireproof door convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of fireproof doors, in particular to a self-opening fireproof door convenient to disassemble and assemble, which comprises a door frame and a fireproof door, the door frame is fixedly mounted in a wall, the fireproof door is in shaft connection with the door frame, two shaft sleeves are symmetrically arranged at the top and the bottom of one side of the fireproof door, and a mounting box is fixedly arranged in the middle of one side, close to the shaft sleeves, of the door frame. Mounting grooves are formed in the outer sides of the mounting boxes. The fireproof material interlayer is arranged in the fireproof door, fire spreading can be effectively prevented, personnel safety is protected, a mechanism facilitating disassembly and assembly of the fireproof door is installed in the installation box, professional tools are not needed in operation, the installation or disassembly time can be shortened, installation personnel can conveniently conduct installation and overhaul, the disassembly time is shortened in emergency, and the installation efficiency is improved. And rescue workers can conveniently carry out rescue work.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a self-opening fireproof door which is easy to disassemble and assemble. Background Art

[0002] Fire doors are doors that have certain fire resistance and thermal insulation requirements and are installed in fire compartments, evacuation stairwells, vertical shafts and other areas. They can prevent the spread of fire and smoke in the event of a fire and ensure the evacuation of personnel. Therefore, the normal use of fire doors is related to personal safety.

[0003] General fire doors in fire escapes are normally closed fire doors and should not be used except in fire situations. In addition, fire doors have a large weight due to the fireproof materials filled inside. In the event of a fire, it is not easy for people to open the fire doors smoothly in a panic, which can easily cause panic. In addition, fixed fire doors require professional tools for disassembly and assembly, which is not convenient for installation and maintenance. If the fire doors are not maintained in time in the event of a fire and become stuck, it is not convenient for rescue personnel to quickly disassemble the fire doors for rescue. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a self-opening fireproof door which is easy to disassemble and assemble.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A self-opening fireproof door which is easy to disassemble and assemble comprises a door frame and a fireproof door, wherein the door frame is fixedly installed in a wall, the fireproof door is connected to the door frame axis, two shaft sleeves are symmetrically arranged at the top and bottom of one side of the fireproof door, an installation box is fixedly arranged in the middle of one side of the door frame close to the shaft sleeve, and an installation groove is arranged on the outer side of the installation box.

[0007] Preferably, a door handle is fixedly installed on the middle part of the side of the fire door away from the shaft sleeve, the door handle is rotatably connected to a lock tongue arranged in the interlayer of the fire door, and a contact switch is fixedly arranged on the end of the lock tongue.

[0008] Preferably, an electric opener is fixedly installed on the top of the fire door, a push rod of the electric opener is fixedly connected to the side wall of the door frame, and a contact switch is electrically connected to the electric opener.

[0009] Preferably, one side of the door frame is symmetrically provided with positioning sleeves respectively located below the top sleeve and above the bottom sleeve, and one side of the door frame is symmetrically provided with sleeves, and the two sleeves are respectively located above and below the installation box.

[0010] Preferably, a handle is slidably connected in the installation groove, a cam is fixedly connected to the end of the handle, a slider is symmetrically provided on one side of the cam close to the handle, and sliding grooves adapted to the slider are symmetrically provided on both sides of the installation groove.

[0011] Preferably, a lock hole is provided on the top of the handle, and a positioning hole matched with the lock hole is provided on one side of the mounting groove.

[0012] Preferably, connecting rods penetrating into the installation box are symmetrically arranged at the top and bottom of the installation box, the ends of the connecting rods are slidably connected to the outer wall of the cam, and the ends of the connecting rods are fixedly provided with springs abutting against the inner wall of the installation box.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a door handle and an electric opener and closer. The door handle is used to open the fire door. When a person opens the door handle, the lock tongue and the contact switch are separated from the door frame at the same time, triggering the electric opener and closer to work, driving the push rod to push the auxiliary fire door to open, so that the person can open the fire door smoothly. In an emergency, the fire door that opens quickly is more conducive to the escape of people and is not prone to blockage and panic. If the person forgets to close the door after a period of time, the electric opener and closer can also automatically close the door, continuing to play a role in stopping the fire and preventing the spread of smoke.

[0015] The utility model provides a handle and a connecting rod. Generally, only installation and maintenance personnel have the authority to operate the handle. Therefore, a special key is used to unlock the keyhole. The special key can be stored in the corridor management office so that rescue personnel can promptly obtain the special key to unlock the key in case of an emergency. Outsiders cannot open the handle at will, and the fire door will not be damaged due to misoperation. The connecting rod is used to connect the shaft sleeve and the positioning sleeve, so that the connecting rod is used as the door shaft of the door frame and the fire door. The fire door can be installed or disassembled by rotating the handle to drive the cam and the connecting rod to move. The operation is simple and convenient, no professional tools are needed, the installation or disassembly time can be reduced, and it is convenient for installers to install and repair. In the event of an emergency, it is also beneficial to reduce the disassembly time, which is convenient for rescue personnel to carry out rescue work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a self-opening fire door that is easy to disassemble and assemble proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of an installation box for a self-opening fire door that is easy to disassemble and assemble, proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the installation slot structure of a self-opening fire door that is easy to disassemble and assemble proposed by the utility model;

[0019] Figure 4 A schematic diagram of a handle structure of a self-opening fire door that is easy to disassemble and assemble proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the cam structure of a self-opening fire door that is easy to disassemble and assemble proposed by the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of a door handle for a self-opening fireproof door that is easy to disassemble and assemble, proposed by the utility model;

[0022] Figure 7 The utility model provides a self-opening fire door which is easy to disassemble and assemble. Figure 1 An enlarged view of the structure at A is shown;

[0023] Figure 8 The utility model provides a self-opening fire door which is easy to disassemble and assemble. Figure 1 An enlarged view of the structure at point B is shown.

[0024] In the figure: 1. door frame; 2. fire door; 3. door handle; 4. lock tongue; 5. contact switch; 6. electric opener; 7. push rod; 8. bushing; 9. positioning sleeve; 10. sleeve; 11. installation box; 111. installation groove; 12. handle; 13. lock hole; 14. positioning hole; 15. slide groove; 16. slider; 17. cam; 18. connecting rod; 19. spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Reference Figure 1-8 A self-opening fire door that is easy to disassemble and assemble comprises a door frame 1 and a fire door 2. The door frame 1 is fixedly installed in the wall, the fire door 2 is axially connected to the door frame 1, two shaft sleeves 8 are symmetrically arranged at the top and bottom of one side of the fire door 2, and a mounting box 11 is fixedly arranged in the middle of the side of the door frame 1 close to the shaft sleeve 8, and a mounting groove 111 is opened on the outside of the mounting box 11. The fire door 2 has a built-in interlayer of fireproof material, which can effectively prevent the spread of fire and protect the safety of personnel. The mounting box 11 is installed with a mechanism that is convenient for disassembly and assembly of the fire door 2. No professional tools are required for operation, which can reduce the time of installation or disassembly, and is convenient for the installer to install and inspect. In the event of an emergency, it is also helpful to reduce the disassembly time and facilitate the rescue work of the rescue personnel.

[0027] As a technical optimization solution of the utility model, a door handle 3 is fixedly installed in the middle of the side of the fire door 2 away from the shaft sleeve 8, and the door handle 3 is rotatably connected to a lock tongue 4 arranged in the interlayer of the fire door 2, and a contact switch 5 is fixedly arranged at the end of the lock tongue 4. The door handle 3 is used to open and close the fire door 2.

[0028] As a technical optimization solution of the utility model, an electric door opener 6 is fixedly installed on the top of the fire door 2, a push rod 7 of the electric door opener 6 is fixedly connected to the side wall of the door frame 1, and the contact switch 5 is electrically connected to the electric door opener 6. When a person opens the door handle 3, the lock tongue 4 will be separated from the door frame 1, and the contact switch 5 will be separated from the door frame 1 at the same time to trigger the electric door opener 6 to work, drive the push rod 7 to push the auxiliary fire door 2 to open, and facilitate the smooth opening of the fire door 2. In an emergency, the quickly opened fire door 2 is more conducive to the escape of personnel, and it is not easy to be blocked and cause panic. If a person forgets to close the door after a period of time, the electric door opener 6 can also automatically close the door, and continue to play a role in preventing the fire and preventing the spread of smoke.

[0029] As a technical optimization solution of the utility model, a positioning sleeve 9 is symmetrically arranged on one side of the door frame 1, which is respectively located below the top sleeve 8 and above the bottom sleeve 8, and a sleeve 10 is symmetrically arranged on one side of the door frame 1, and the two sleeves 10 are respectively located above and below the installation box 11. The sleeve 8 and the positioning sleeve 9 are used to position and connect the door frame 1 and the fire door 2, and the sleeve 10 facilitates the guiding and sliding of the connecting rod 18.

[0030] As a technical optimization solution of the utility model, a handle 12 is slidably connected in the installation groove 111, a cam 17 is fixedly connected to the end of the handle 12, a slider 16 is symmetrically arranged on one side of the cam 17 close to the handle 12, and slide grooves 15 adapted to the slider 16 are symmetrically opened on both sides of the installation groove 111. After the handle 12 is used to drive the cam 17 and the connecting rod 18 to complete the connection of the fire door 2, the handle 12 is pushed to insert the slider 16 into the slide groove 15, so that the handle 12 and the installation groove 111 can be positioned, so as to prevent the handle 12 from sliding after long-term use, causing the connecting rod 18 to separate from the shaft sleeve 8, and causing the fire door 2 to separate.

[0031] As a technical optimization solution of the utility model, a lock hole 13 is provided on the top of the handle 12, and a positioning hole 14 matching the lock hole 13 is provided on one side of the installation groove 111. Generally, only installation and maintenance personnel have the authority to operate the handle 12, so the lock hole 13 can be unlocked with a special key. The special key can be stored in the corridor management office so that rescue personnel can get the special key in time to unlock it in case of emergency. Outsiders cannot open the handle 12 at will, and there will be no situation where misoperation will damage the fire door 2.

[0032] As a technical optimization solution of the utility model, the top and bottom of the installation box 11 are symmetrically provided with connecting rods 18 that penetrate into the installation box 11, the ends of the connecting rods 18 are slidably connected to the outer wall of the cam 17, and the ends of the connecting rods 18 are fixedly provided with springs 19 that abut against the inner wall of the installation box 11. The connecting rods 18 are used to connect the shaft sleeve 8 and the positioning sleeve 9, so that the connecting rods 18 are used as the door shaft of the door frame 1 and the fire door 2. The cam 17 can push the connecting rods 18 out of the installation box 11, and the springs 19 are compressed. When the fire door 2 is removed, the springs 19 lose their force and reset, pushing the connecting rods 18 out of the shaft sleeve 8.

[0033] When the utility model is in use, the installer fixes the door frame 1 in the wall of the fire passage, then carries the fire door 2 to the door frame 1, and aligns the upper and lower shaft sleeves 8 of the fire door 2 with the upper and lower positioning sleeves 9 of the door frame 1 respectively. At this time, the handle 12 can be rotated to drive the cam 17 to rotate. The cam 17 rotates from the short side to the bottom end of the connecting rod 18 to the long side to the bottom end of the connecting rod 18. The spring 19 is compressed. Driven by the cam 17, the end of the connecting rod 18 can slide from the positioning sleeve 9 to the shaft sleeve 8 to complete the connection between the shaft sleeve 8 and the positioning sleeve 9. At this time, the handle 12 is in a horizontal state, and the installer can push the handle 12 to make the handle 12 slide into the installation groove 111. At the same time, the slider 16 is inserted into the slide groove 15, and the handle 12 can be locked. The special key is used to rotate the lock hole 13 so that the handle 12 is locked with the positioning hole 14 to prevent misoperation by outsiders. Finally, the end of the push rod 7 is fixedly installed in the door frame 1 At the top, the installation of the fire door 2 is completed. During normal use, when the personnel turns the door handle 3 to open the fire door 2, the lock tongue 4 and the contact switch 5 are disengaged from the door frame 1, triggering the electric opener 6 to work. The electric opener 6 drives the push rod 7 to assist in pushing the fire door 2 open. After a period of time, if the personnel forget to close the door, the electric opener 6 can also automatically close the door. Correspondingly, the fire door 2 needs to be disassembled for replacement and maintenance or when the door is disassembled for rescue in an emergency, the installer uses a special unlocking key to rotate the lock hole 13 to unlock the handle 12 and the positioning hole 14, pull the handle 12, the handle 12 slides out of the installation groove 111 and the slider 16 disengages from the slide groove 15, rotate the handle 12 until the handle 12 is in a vertical state, and the long side of the cam 17 rotates to a horizontal position, and the spring 19 loses its force and resets, driving the connecting rod 18 to disengage from the shaft sleeve 8, so that the fire door 2 can be disengaged from the door frame 1, and rescue work or maintenance can be carried out in time.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A self-opening fire door that is easy to assemble and disassemble, comprising a door frame (1) and a fire door (2), characterized in that: The door frame (1) is fixedly installed in the wall, the fire door (2) is axially connected to the door frame (1), two shaft sleeves (8) are symmetrically arranged at the top and bottom of one side of the fire door (2), and a mounting box (11) is fixedly arranged in the middle of one side of the door frame (1) close to the shaft sleeve (8), and a mounting groove (111) is opened on the outside of the mounting box (11).

2. The self-opening fire door that is easy to disassemble and assemble according to claim 1 is characterized in that: A door handle (3) is fixedly mounted in the middle of a side of the fire door (2) away from the shaft sleeve (8); the door handle (3) is rotatably connected to a lock tongue (4) arranged in the interlayer of the fire door (2); a contact switch (5) is fixedly mounted at the end of the lock tongue (4).

3. The self-opening fire door that is easy to disassemble and assemble according to claim 2 is characterized in that: An electric door opener (6) is fixedly mounted on the top of the fire door (2); a push rod (7) of the electric door opener (6) is fixedly connected to the side wall of the door frame (1); and a contact switch (5) is electrically connected to the electric door opener (6).

4. The self-opening fire door that is easy to disassemble and assemble according to claim 1 is characterized in that: One side of the door frame (1) is symmetrically provided with positioning sleeves (9) respectively located below the top sleeve (8) and above the bottom sleeve (8), and one side of the door frame (1) is symmetrically provided with sleeves (10), and the two sleeves (10) are respectively located above and below the installation box (11).

5. The self-opening fire door that is easy to disassemble and assemble according to claim 1 is characterized in that: A handle (12) is slidably connected in the installation groove (111), a cam (17) is fixedly connected to the end of the handle (12), a slider (16) is symmetrically arranged on one side of the cam (17) close to the handle (12), and sliding grooves (15) adapted to the slider (16) are symmetrically provided on both sides of the installation groove (111).

6. The self-opening fire door that is easy to disassemble and assemble according to claim 5, characterized in that: A locking hole (13) is provided at the top of the handle (12), and a positioning hole (14) matching the locking hole (13) is provided at one side of the installation groove (111).

7. The self-opening fire door that is easy to assemble and disassemble according to claim 5, characterized in that: The top and bottom of the installation box (11) are symmetrically provided with connecting rods (18) that penetrate into the installation box (11), the ends of the connecting rods (18) are slidably connected to the outer wall of the cam (17), and the ends of the connecting rods (18) are fixedly provided with springs (19) that abut against the inner wall of the installation box (11).

Images