CN217581997U

CN217581997U - Automatic fire door is prevented in response

Info

Publication number: CN217581997U
Application number: CN202221057572.XU
Authority: CN
Inventors: 徐建欧; 徐飞驰; 徐灵超
Original assignee: Zhejiang Xinbiao Industry And Trade Co ltd
Current assignee: Zhejiang Xinbiao Industry And Trade Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-14
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses an auto-induction prevents fire door, its technical scheme main points are: a rotating shaft is rotatably arranged between the inner walls of the door frames; the rotating shaft is fixedly connected with one end of the fireproof rolling gate, a fixed rod is fixedly arranged on the side wall of the fireproof rolling gate, the fixed rod is rotatably connected with a pulley, a sliding groove is formed in the inner wall of the door frame, and the pulley is slidably arranged in the sliding groove; the lower end of the fixed rod is fixedly provided with a connecting support, the connecting support is fixedly connected with one end of a connecting rope, the other end of the connecting rope is fixedly connected with a winding shaft, the winding shaft is fixedly connected with an output shaft of a motor, the other end of the fireproof shutter door is fixedly provided with a smoke sensor, and the outer wall of the door frame is fixedly provided with a relay, an external power supply jack and a single chip microcomputer controller; the smoke sensor is electrically connected with the single chip microcomputer controller; the single chip microcomputer controller is electrically connected with the relay; the utility model discloses possess the function of excellent quick response conflagration.

Description

Automatic fire door is prevented in response

Technical Field

The utility model belongs to the technical field of prevent fire door technique and specifically relates to an auto-induction prevents fire door.

Background

The fireproof door, especially the fireproof shutter door, is used as the most important ring for fire-fighting inspection in large places such as markets and the like, has a crucial effect on the property and life safety of people, and some existing fireproof doors are manually pulled down for managers to be closed, and some are induced by a smoke sensor to perform fireproof early warning and automatically spray fire-fighting water.

The existing fireproof door only controls the rolling shutter door shaft to rotate through the motor, so that the fireproof door is lowered; however, in a heavy fire situation, the requirement of fire protection is hardly met by the fact that the closing requirement of the fire door has a quick response speed, and particularly in places with more inflammable storage, such as shopping malls, the fire spreading speed is extremely high, and one second more time is needed for closing the fire door, so that one minute more guarantee is provided for the life of people.

SUMMERY OF THE UTILITY MODEL

To the problem that mentions in the background art, the utility model aims at providing an auto-induction prevents fire door to solve the problem that mentions in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an automatic induction fireproof door comprises a door frame, a rotating shaft and a fireproof rolling door, wherein the rotating shaft is rotatably arranged between the inner walls of the door frame; the rotating shaft is fixedly connected with one end of the fireproof rolling door, a fixed rod is fixedly arranged on the side wall of the fireproof rolling door and is rotatably connected with a pulley, a sliding groove is formed in the inner wall of the door frame, and the pulley is arranged in the sliding groove in a sliding manner; the lower end of the fixed rod is fixedly provided with a connecting support, the connecting support is fixedly connected with one end of a connecting rope, the other end of the connecting rope is fixedly connected with a winding shaft, and the winding shaft is fixedly connected with an output shaft of a motor;

the other end of the fireproof rolling door is fixedly provided with a smoke sensor, and the outer wall of the door frame is fixedly provided with a relay, an external power supply jack and a single chip microcomputer controller; the smoke sensor is electrically connected with the single chip microcomputer controller; the single chip microcomputer controller is electrically connected with the relay; the external power supply jack is electrically connected with the motor through the relay.

Furthermore, the motor is fixedly arranged inside the embedded bottom shell, a through hole for the connecting rope to pass through is formed in the upper end of the embedded bottom shell, and the embedded bottom shell is fixedly connected with the door frame.

Furthermore, a manual switch is fixedly arranged on the outer wall of the door frame, and the external power supply jack passes through the manual switch and the motor electrically connected.

Further, a pressure sensor for sensing the position of the pulley is fixedly arranged at the bottom end of the sliding groove; the pressure sensor is electrically connected with the single chip microcomputer controller.

Furthermore, the connecting rope is a steel wire rope.

Furthermore, a winding groove is formed in the side wall of the winding shaft, and the connecting rope is wound in the winding groove.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a be provided with and connect rope, rolling axle and motor, can drive the fire prevention shutter door and close fast, can realize positive response when the conflagration breaing out.

2. The smoke sensor can sense burning smoke and transmit information to the single chip microcomputer controller, the single chip microcomputer controller controls the rotation of the motor through the relay, and the pressure sensor can sense when the roller reaches the position of the lower dead point, so that the motor is stopped through the single chip microcomputer controller again.

Drawings

In order to make the technical solutions of the embodiments of the present invention clearer, the drawings which are used in the embodiments will be briefly described below, it being understood that the following drawings only show some examples of the present invention and are therefore not to be considered limiting of scope, and that for a person skilled in the art, without inventive effort, other related drawings may also be obtained on the basis of these drawings, in which:

fig. 1 is a front sectional view of the present invention.

In the figure: 1. a door frame; 2. a reel; 3. a fire-proof rolling door; 4. a sliding groove; 5. fixing the rod; 6. a pulley; 7. connecting a bracket; 8. connecting ropes; 9. pre-burying a bottom shell; 10. a motor; 11. winding a groove; 12. a winding shaft; 13. a manual switch; 14. a relay; 15. a smoke sensor; 16. an external power supply jack; 17. a single chip controller; 18. a pressure sensor.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

Referring to fig. 1, an auto-induction fireproof door comprises a door frame 1, a rotating shaft 2 and a fireproof rolling door 3, wherein the rotating shaft 2 is rotatably arranged between the inner walls of the door frame 1; the rotating shaft 2 is fixedly connected with one end of the fireproof rolling door 3, a fixing rod 5 is fixedly arranged on the side wall of the lower end of the fireproof rolling door 3, the fixing rod 5 is rotatably connected with a pulley 6, sliding grooves 4 are formed in the left inner wall and the right inner wall of the door frame 1, and the pulley 6 is slidably arranged in the sliding grooves 4; a connecting bracket 7 is fixedly arranged at the lower end of the fixed rod 5, the connecting bracket 7 is fixedly connected with one end of a connecting rope 8, the other end of the connecting rope 8 is fixedly connected with a winding shaft 12, and the winding shaft 12 is fixedly connected with an output shaft of a motor 10;

a smoke sensor 15 is fixedly arranged on the lower end face of the fireproof rolling door 3, and a relay 14, an external power supply jack 16 and a single chip microcomputer controller 17 are fixedly arranged on the outer wall of the door frame 1; the external power supply jack 16 is electrically connected with an external power supply, and the smoke sensor 15 is electrically connected with the single chip microcomputer controller 17; the external power supply jack 16 is electrically connected with the motor 10 through the relay 14, and the single chip microcomputer controller 17 can be used for reading and writing; the single chip microcomputer controller 17 is electrically connected with the relay 14; the single chip computer controller 17 is used for receiving the fire signal of the smoke sensor 15 and controlling the relay 14 through a preset program to switch on the power supply of the motor 10, thereby controlling the starting of the motor 10.

According to the above embodiment, specifically, referring to fig. 1, the motor 10 is fixedly disposed inside the pre-buried bottom case 9, and the pre-buried bottom case 9 can be buried underground during installation; the upper end of pre-buried drain pan 9 is seted up and is supplied connect the through-hole that rope 8 passes through, pre-buried drain pan 9 with door frame 1 fixed connection prevents that the relative position between pre-buried drain pan 9 and the door frame 1 from taking place the change.

According to the above embodiment, specifically, referring to fig. 1, a manual switch 13 is fixedly disposed on an outer wall of the door frame 1, the external power jack 16 is electrically connected to the motor 10 through the manual switch 13, and a manager can also start the motor 10 through the manual switch 13.

According to the above embodiment, specifically, referring to fig. 1, a pressure sensor 18 for sensing the position of the pulley 6 is fixedly disposed at the bottom end of the sliding groove 4; after the pulley 6 slides to the lower end to be contacted with the pressure sensor 18, the pressure sensor 18 can sense the position of the pulley 6, and transmit information to the single chip microcomputer controller 17 to control the closing of the motor 10; the pressure sensor 18 is electrically connected with the single chip microcomputer controller 17.

According to the above embodiments, specifically, referring to fig. 1, the connecting rope 8 is a steel wire rope, and has excellent tensile properties.

According to the above embodiment, specifically, referring to fig. 1, a winding groove 11 is formed in a side wall of the winding shaft 12, and the connection rope 8 is wound in the winding groove 11.

The technical scheme is an improvement on the basis of the existing rolling door, so that the rolling door can be retracted by fixedly connecting another motor with a rotating shaft or manually retracting the fireproof door.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic induction fireproof door comprises a door frame (1), a rotating shaft (2) and a fireproof rolling door (3), wherein the rotating shaft (2) is rotatably arranged between the inner walls of the door frame (1); pivot (2) with the one end fixed connection of fire prevention shutter door (3), its characterized in that: a fixing rod (5) is fixedly arranged on the side wall of the fireproof shutter door (3), the fixing rod (5) is rotatably connected with a pulley (6), a sliding groove (4) is formed in the inner wall of the door frame (1), and the pulley (6) is slidably arranged in the sliding groove (4); a connecting support (7) is fixedly arranged at the lower end of the fixing rod (5), the connecting support (7) is fixedly connected with one end of a connecting rope (8), the other end of the connecting rope (8) is fixedly connected with a winding shaft (12), and the winding shaft (12) is fixedly connected with an output shaft of a motor (10);

a smoke sensor (15) is fixedly arranged at the other end of the fireproof rolling door (3), and a relay (14), an external power supply jack (16) and a single chip microcomputer controller (17) are fixedly arranged on the outer wall of the door frame (1); the smoke sensor (15) is electrically connected with the single chip microcomputer controller (17); the single chip microcomputer controller (17) is electrically connected with the relay (14); the external power supply jack (16) is electrically connected with the motor (10) through the relay (14).

2. The door of claim 1, wherein: the motor (10) is fixedly arranged inside the embedded bottom shell (9), a through hole for the connecting rope (8) to pass through is formed in the upper end of the embedded bottom shell (9), and the embedded bottom shell (9) is fixedly connected with the door frame (1).

3. An auto-induction fire door according to claim 1, characterized in that: the outer wall of the door frame (1) is fixedly provided with a manual switch (13), and the external power supply jack (16) is connected with the motor (10) in an electric mode through the manual switch (13).

4. An auto-induction fire door according to claim 1, characterized in that: a pressure sensor (18) for sensing the position of the pulley (6) is fixedly arranged at the bottom end of the sliding groove (4); the pressure sensor (18) is electrically connected with the single chip microcomputer controller (17).

5. An auto-induction fire door according to claim 1, characterized in that: the connecting rope (8) is a steel wire rope.

6. An auto-induction fire door according to claim 1, characterized in that: winding grooves (11) are formed in the side wall of the winding shaft (12), and the connecting rope (8) is wound in the winding grooves (11).