CN216477029U

CN216477029U - Fire door is prevented to building convenient to open fast

Info

Publication number: CN216477029U
Application number: CN202121965255.3U
Authority: CN
Inventors: 岳晓辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-05-10
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of fire doors for buildings, in particular to a fire door for a building, which is convenient to open quickly and comprises a fire door body and a servo motor, wherein a door handle is arranged on the front side of the fire door body for a building, a door lock control switch is arranged on the front side of the fire door body for a building, a ventilation opening is arranged on the front side of the fire door body for a building, and a partition plate is fixedly arranged inside the fire door body for a building. According to the utility model, the first fixing fixture block and the second fixing fixture block are arranged, when the fireproof door body of the building needs to be closed at ordinary times, the first fixing fixture block and the second fixing fixture block are lifted upwards, so that the first fixing fixture block and the second fixing fixture block can be clamped into the door frame body, when the fireproof door body of the building needs to be opened quickly, the first fixing fixture block and the second fixing fixture block only need to be retracted downwards by pressing the door lock control switch, and therefore, the fireproof door body of the building can be opened quickly when a fire disaster occurs.

Description

Fire door is prevented to building convenient to open fast

Technical Field

The utility model relates to the technical field of building fireproof doors, in particular to a building fireproof door convenient to open quickly.

Background

Fire doors for buildings are a special device installed in corridors for insulating the fire in case of fire, and are generally fire-resistant and resistant to high temperatures and more robust than ordinary doors.

Since most of fire-proof doors are not used when no fire occurs, many fire-proof doors are closed at ordinary times and locked by a key, and people who escape from a fire can not open the fire-proof door because of no key when the fire occurs, so that a fire-proof door convenient to open quickly is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof door convenient to open quickly, which solves the problem that most fireproof doors in the prior art are in a closed state at ordinary times, and a key is used for locking the door, so that when a fire breaks out, people escaping from a fire can not open the fireproof door due to the fact that the people do not have the key.

In order to achieve the purpose, the utility model provides the following technical scheme: a fire door for buildings convenient to open quickly comprises a fire door body for buildings and a servo motor, wherein a door handle is arranged on the front surface of the fire door body for buildings, a door lock control switch is arranged on the front surface of the fire door body for buildings, a ventilation opening is arranged on the front surface of the fire door body for buildings, and a partition plate is fixedly arranged inside the fire door body for buildings;

the utility model discloses a fire door body, including fire door body, baffle, limiting plate, first fixed fixture block, second fixed fixture block, door frame body has been installed to the inside of fire door body to the building, first internal thread sleeve has been installed on the top of baffle, second internal thread sleeve has been installed on the top of baffle, the limiting plate has been installed to the inside of fire door body to the building, the top fixed mounting of limiting plate has first fixed fixture block, the top fixed mounting of limiting plate has the fixed fixture block of second, the door frame body has been installed on the surface of fire door body to the building.

Preferably, a servo motor is arranged in the motor box, and a first gear is fixedly arranged on an output shaft of the servo motor.

Preferably, a first threaded rod is inserted into the inner portion of the first internal thread sleeve, a second gear is fixedly mounted on the surface of the first internal thread sleeve, an internal thread is formed in the inner wall of the first internal thread sleeve, and the inner wall of the first internal thread sleeve and the surface of the first threaded rod form a spiral rotating type structure.

Preferably, a second threaded rod is inserted into the inner portion of the second internal thread sleeve, a third gear is fixedly mounted on the surface of the second internal thread sleeve, an internal thread is formed in the inner wall of the second internal thread sleeve, and the inner wall of the second internal thread sleeve and the surface of the second threaded rod form a spiral rotating type structure.

Preferably, a side surface of the first gear is engaged with a side surface of the second gear, a side surface of the first gear is engaged with a side surface of the third gear, and the second gear and the third gear can be simultaneously rotated when the first gear is rotated.

Preferably, the door frame body is of a hollow rectangular frame structure, two groups of rectangular grooves are formed in the inner wall of the top end of the door frame body, and a group of circular grooves are formed in each group of rectangular grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with first fixed fixture block and the fixed fixture block of second, when the fire door body is closed to needs will be prevented to the building at ordinary times, rise first fixed fixture block and the fixed fixture block of second, make the inside that first fixed fixture block and the fixed fixture block of second can block the door frame body, when the fire door body is prevented to the building when needs are opened fast, only need make first fixed fixture block and the fixed fixture block of second shrink downwards through pressing lock control switch, thereby can open the fire door body is prevented to the building fast when the conflagration breaing out.

Drawings

FIG. 1 is a three-dimensional schematic of the structure of the present invention;

FIG. 2 is a schematic sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic top view of a limiting plate, a first fixing block and a second fixing block according to the present invention;

fig. 4 is a schematic top view of the first, second and third gear structures of the present invention.

In the figure: 1. a building fire door body; 101. a door handle; 102. a door lock control switch; 103. a vent; 104. a partition plate; 2. a motor case; 201. a servo motor; 202. a first gear; 3. a first internally threaded sleeve; 301. a first threaded rod; 302. a second gear; 4. a second internally threaded sleeve; 401. a second threaded rod; 402. a third gear; 5. a limiting plate; 501. a first fixed fixture block; 502. a second fixed fixture block; 6. a doorframe body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a building fireproof door convenient to open quickly comprises a building fireproof door body 1 and a servo motor 201, wherein the servo motor 201 is used in the application as a product which can be directly purchased in the market, the principle and the connection mode of the servo motor are the prior art well known to the technical personnel in the field, so the description is omitted, a door handle 101 is arranged on the front surface of the building fireproof door body 1, a door lock control switch 102 is arranged on the front surface of the building fireproof door body 1, a ventilation opening 103 is arranged on the front surface of the building fireproof door body 1, and a partition plate 104 is fixedly arranged inside the building fireproof door body 1;

the motor case 2 has been installed to the inside of fire door body 1 is prevented to the building, and first internal thread sleeve 3 has been installed on the top of baffle 104, and second internal thread sleeve 4 has been installed on the top of baffle 104, and limiting plate 5 has been installed to the inside of fire door body 1 is prevented to the building, and the top fixed mounting of limiting plate 5 has first fixed fixture block 501, and the top fixed mounting of limiting plate 5 has the fixed fixture block of second 502, and door frame body 6 has been installed on the surface of fire door body 1 is prevented to the building.

Further, a servo motor 201 is installed inside the motor box 2, and a first gear 202 is fixedly installed on an output shaft of the servo motor 201.

Further, a first threaded rod 301 is inserted into the first internal thread sleeve 3, a second gear 302 is fixedly mounted on the surface of the first internal thread sleeve 3, an internal thread is formed on the inner wall of the first internal thread sleeve 3, and the inner wall of the first internal thread sleeve 3 and the surface of the first threaded rod 301 form a spiral rotating structure.

Further, a second threaded rod 401 is inserted into the second internal thread sleeve 4, a third gear 402 is fixedly mounted on the surface of the second internal thread sleeve 4, an internal thread is formed in the inner wall of the second internal thread sleeve 4, and the inner wall of the second internal thread sleeve 4 and the surface of the second threaded rod 401 form a spiral rotating type structure.

Further, the side surface of the first gear 202 is engaged with the side surface of the second gear 302, the side surface of the first gear 202 is engaged with the side surface of the third gear 402, and the second gear 302 and the third gear 402 can be simultaneously rotated when the first gear 202 rotates.

Further, the door frame body 6 is of a hollow rectangular frame structure, two sets of rectangular grooves are formed in the inner wall of the top end of the door frame body 6, and a set of circular grooves are formed in the inner portion of each set of rectangular grooves.

The working principle is as follows: when the fireproof door body 1 needs to be opened and closed quickly, firstly, the device is externally connected with a power supply, so that the device is provided with electric support, the servo motor 201 can be rotated through the rotation of the motor box 2, the first gear 202 can be rotated through the rotation of the servo motor 201, the second gear 302 and the third gear 402 can be simultaneously rotated through the rotation of the first gear 202, the first internal thread sleeve 3 can be rotated through the rotation of the second gear 302, the first threaded rod 301 can be extended and retracted through the rotation of the first internal thread sleeve 3, the second internal thread sleeve 4 can be rotated through the rotation of the third gear 402, the second threaded rod 401 can be extended and retracted through the rotation of the second internal thread sleeve 4, and the limiting plate 5 can be lifted and lowered inside the fireproof door body 1 through the extension and retraction of the first threaded rod 301 and the second threaded rod 401, lifting through limiting plate 5 can make first fixed fixture block 501 and the fixed fixture block 502 of second stretch out and draw back on the top of fire door body 1 is prevented to the building, when fire door body 1 is closed to needs at ordinary times, with the fixed fixture block 502 of first fixed fixture block 501 and second upwards rising, make the inside that door frame body 6 can be blocked to first fixed fixture block 501 and the fixed fixture block 502 of second, when fire door body 1 is opened fast to the needs, only need make first fixed fixture block 501 and the fixed fixture block 502 of second shrink downwards through pressing lock control switch 102, thereby can open fire door body 1 when taking place the conflagration fast.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire door is prevented to building convenient to open fast, includes fire door body (1) and servo motor (201) are prevented to building, its characterized in that: a door handle (101) is arranged on the front surface of the fireproof door body (1), a door lock control switch (102) is arranged on the front surface of the fireproof door body (1), a ventilation opening (103) is arranged on the front surface of the fireproof door body (1), and a partition plate (104) is fixedly arranged inside the fireproof door body (1);

motor case (2) have been installed to the inside of fire door body (1) is prevented to the building, first internal thread sleeve (3) have been installed on the top of baffle (104), second internal thread sleeve (4) have been installed on the top of baffle (104), limiting plate (5) have been installed to the inside of fire door body (1) is prevented to the building, the top fixed mounting of limiting plate (5) has first fixed fixture block (501), the top fixed mounting of limiting plate (5) has the fixed fixture block of second (502), door frame body (6) have been installed on the surface of fire door body (1) is prevented to the building.

2. The fire door for buildings as claimed in claim 1, wherein: the servo motor (201) is installed in the motor box (2), and a first gear (202) is fixedly installed on an output shaft of the servo motor (201).

3. The fire door for buildings as claimed in claim 1, wherein: the inside of first internal thread sleeve (3) is inserted and is equipped with first threaded rod (301), the fixed surface of first internal thread sleeve (3) installs second gear (302), the inner wall of first internal thread sleeve (3) is seted up there is the internal thread, and the inner wall of first internal thread sleeve (3) and the surface of first threaded rod (301) constitute spiral rotary type structure.

4. The fire door for buildings as claimed in claim 2, wherein: the inside of second internal thread sleeve (4) is inserted and is equipped with second threaded rod (401), the fixed surface of second internal thread sleeve (4) installs third gear (402), the inner wall of second internal thread sleeve (4) is seted up there is the internal thread, and the inner wall of second internal thread sleeve (4) and the surface of second threaded rod (401) constitute spiral rotary type structure.

5. The fire door for buildings as claimed in claim 4, wherein: the side surface of the first gear (202) is meshed with the side surface of the second gear (302), the side surface of the first gear (202) is meshed with the side surface of the third gear (402), and the second gear (302) and the third gear (402) can simultaneously rotate when the first gear (202) rotates.

6. The fire door for buildings as claimed in claim 1, wherein: the door frame body (6) is of a hollow rectangular frame structure, two groups of rectangular grooves are formed in the inner wall of the top end of the door frame body (6), and a group of circular grooves are formed in each group of rectangular grooves.