CN210858494U - Ventilation structure of fireproof door - Google Patents
Ventilation structure of fireproof door Download PDFInfo
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- CN210858494U CN210858494U CN201921374067.6U CN201921374067U CN210858494U CN 210858494 U CN210858494 U CN 210858494U CN 201921374067 U CN201921374067 U CN 201921374067U CN 210858494 U CN210858494 U CN 210858494U
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- blade
- ventilation
- window
- permanent magnet
- movable groove
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Abstract
The utility model discloses a ventilation structure of a fireproof door, which relates to the technical field of fireproof doors and comprises a ventilation window, wherein the ventilation window is provided with a chute, a first blade and a second blade are arranged in the chute in a sliding way, the first blade is connected with the ventilation window, the other side edge of the first blade is connected with the second blade, and the first blade is rotationally connected with the second blade; a movable groove is formed in the inner side wall of one side, away from the first blade, of the ventilation window, an electromagnet is fixedly arranged in the movable groove, and a permanent magnet is arranged at the opening end of the movable groove; an elastic reset piece is arranged in the chute; the fireproof door is provided with a smoke sensor, the smoke sensor is electrically connected with a normally closed relay, and the normally closed relay is connected with the electromagnet in series. When not taking place the conflagration, smoke transducer is in standby state, and the electro-magnet is not circular telegram nonmagnetic, and the permanent magnet butt connects to activity groove opening end department, forms the ventilation passageway that is used for indoor outdoor ventilation between first blade and the second blade this moment to realize the daily ventilation function to preventing fire door.
Description
Technical Field
The utility model relates to a prevent fire door's technical field, more specifically say, it relates to a prevent fire door's ventilation structure.
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. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like.
In the prior art, most of the fire doors are full-closed fire doors, and the daily ventilation of the fire passage cannot be guaranteed when the fire passage is used, so that improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
To this problem in the actual application, the utility model aims to provide a prevent fire door's ventilation structure, concrete scheme is as follows:
a ventilation structure of a fireproof door comprises a ventilation window, wherein a sliding groove is formed in the inner side wall of the ventilation window along the length direction of the ventilation window, a ventilation blade is arranged in the sliding groove and comprises a first blade and a second blade, the side edge of the first blade is fixedly connected with the inner side wall of one side of the ventilation window along the width direction, the other side edge, opposite to the first blade, is fixed on the surface of the second blade, the first blade is rotatably connected to the surface of the second blade along the length direction of the joint of the first blade and the second blade, a sliding rod is arranged on the second blade, the second blade deviates from the first blade and is close to the sliding groove, one end of the sliding rod is abutted against the second blade, and the other end of the sliding rod is connected in the sliding groove;
a movable groove is formed in the inner side wall of the ventilation window, which is away from one side of the first blade, an electromagnet is fixedly arranged on one side of the movable groove, which is away from the first blade, and a permanent magnet is arranged at the opening end of the movable groove;
an elastic reset piece is arranged in the sliding groove, one end of the elastic reset piece is abutted against the permanent magnet, and the other end of the elastic reset piece is abutted against the sliding rod;
the fireproof door is provided with a smoke sensor, the output end of the smoke sensor is electrically connected with the input end of a normally closed relay, and the normally closed relay is connected with the electromagnet in series.
Through the technical scheme, when the conflagration breaing out, can produce a large amount of smog, smoke transducer sends alarm signal and starts the electro-magnet after detecting smog and makes the electro-magnet circular telegram take the magnetism, fix at the movable slot because of the electro-magnet, can attract the permanent magnet to remove along being close to the electro-magnet direction after the electro-magnet circular telegram, tensile elasticity resets, make elasticity reset and store elastic potential energy, utilize elasticity to reset tensile ventilation blade of piece and remove along being close to the electro-magnet direction, make first blade and second blade parallel mutually and be in order to seal the ventilation window on the coplanar, prevent that indoor harmful gas or dense cigarette from leaking to outdoor space through the ventilation window. When not taking place the conflagration, smoke transducer is in the normally closed state, and the electro-magnet does not lead to the electromagnetism and eliminates, and elasticity resets and resume elastic potential energy, and the permanent magnet is reset by elasticity and is stretched to deviate from the electro-magnet motion, and first blade and second blade are "V" style of calligraphy along direction of height cross-sectional shape this moment, form the ventilation passageway that is used for indoor outdoor ventilation between first blade and the second blade to realize the daily ventilation function to preventing fire door.
Furthermore, the other side edge, opposite to the side edge where the second blade is connected with the first blade, is fixedly connected with the permanent magnet.
Through above-mentioned technical scheme, when the permanent magnet removed along being close to the electro-magnet direction, the drive second blade simultaneous movement that can be better to realize sealed ventilation window.
Furthermore, a limiting block used for preventing the permanent magnet from sliding out of the movable groove is arranged in the movable groove.
Through above-mentioned technical scheme, the stopper is according to the length distance setting when first blade and second blade are parallel to each other, and when first blade and second blade were parallel to each other, the stopper just butt was in one side that the second blade deviates from first blade, and utilizes the stopper when the piece that resets of elasticity resumes elastic potential energy, prevents that the piece that resets that elasticity from pulling the permanent magnet and slide and shift out the movable slot, and leads to the phenomenon that falls out from the ventilation window and take place.
Furthermore, the sliding rod is provided with a roller at one end close to the sliding groove, and the sliding rod and the sliding groove are in rolling friction.
Through above-mentioned technical scheme, utilize the gyro wheel to become the rolling friction with the sliding friction between slide bar and the spout, reduce the frictional force between slide bar and the spout, improve ventilation structure's wholeness ability.
Furthermore, one side of the first blade, which is close to the second blade, is provided with a groove, so that a ventilation hole for ventilation is formed between the first blade and the second blade.
Through above-mentioned technical scheme, utilize the ventilation hole to enlarge the draught area between first blade and the second blade, improve ventilation efficiency.
Furthermore, one side of the second blade, which is close to the first blade, is provided with a blocking piece, and when the first blade is parallel to the second blade, the blocking piece seals the ventilation hole.
Through above-mentioned technical scheme, when first blade is parallel with the second blade, utilize the separation blade to seal the ventilation hole, harmful gas or dense smoke pass through the ventilation hole and leak to the outdoor space in the room.
Furthermore, the width of the ventilating vane is matched with that of the ventilating window.
Through above-mentioned technical scheme, when first blade is parallel with the second blade, the whole size of ventilation blade equals with ventilation window area size to sealed ventilation window that can be better when the conflagration breaing out.
Further, along direction of height the ventilation window sets up near ground.
Through above-mentioned technical scheme, smog floats in the upper strata of air because of the effect of hot gas flow, sets up the ventilation window near ground to make smog difficult to permeate to outdoor from the ventilation window.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) by arranging the ventilation blade, when a fire disaster occurs, a large amount of smoke can be generated, the smoke sensor sends an alarm signal after detecting the smoke and starts the electromagnet to electrify the electromagnet to be magnetized, the electromagnet is fixed in the movable groove and attracts the permanent magnet to move in the direction close to the electromagnet after being electrified, the elastic resetting piece is stretched to store elastic potential energy, the ventilation blade is stretched by the elastic resetting piece to move in the direction close to the electromagnet, the first blade and the second blade are parallel to each other and are positioned on the same plane to seal the ventilation window, and harmful gas or thick smoke in a room is prevented from leaking into an outdoor space through the ventilation window;
(2) when not taking place the conflagration, smoke transducer is in the normally closed state, and the electro-magnet does not lead to the electromagnetism and eliminates, and elasticity resets and resume elastic potential energy, and the permanent magnet is reset by elasticity and is stretched to deviate from the electro-magnet motion, and first blade and second blade are "V" style of calligraphy along direction of height cross-sectional shape this moment, form the ventilation passageway that is used for indoor outdoor ventilation between first blade and the second blade to realize the daily ventilation function to preventing fire door.
Drawings
Figure 1 is an overall schematic view of a fire rated door;
FIG. 2 is a schematic cross-sectional view of a venting structure in the height direction;
figure 3 is a schematic top view of a fire rated door.
Reference numerals: 1. a ventilation window; 2. a chute; 3. a ventilation blade; 4. a first blade; 5. a second blade; 6. a slide bar; 7. a movable groove; 8. an electromagnet; 9. a permanent magnet; 10. an elastic reset member; 11. a limiting block; 12. a roller; 13. a groove; 14. a vent hole; 15. a baffle plate; 16. a smoke sensor; 17. A fire door.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 and 2, in the ventilation structure of the fire door, a rectangular ventilation window 1 is disposed at a position of a fire door 17 close to the ground, a sliding groove 2 is disposed on an inner side wall of the ventilation window 1 along a length direction of the ventilation window 1, two sets of ventilation blades 3 are slidably disposed in the sliding groove 2, a width of each ventilation blade 3 is set to be the same as a width of the ventilation window 1, namely, the upper and lower side walls of each ventilation blade 3 abut against the inner side wall of the ventilation window 1 along a height direction. Wherein, a set of ventilation blade 3 includes first blade 4 and second blade 5, and the inside wall fixed weld of first blade 4 side and ventilation window 1 along width direction one side, another relative side of first blade 4 is articulated with second blade 5, and first blade 4 rotates along the length direction with second blade 5 junction promptly and connects on second blade 5 is surperficial.
Meanwhile, a sliding rod 6 is arranged at a position, away from the first blade 4, of the second blade 5 and close to the sliding groove 2, one end of the sliding rod 6 abuts against the second blade 5, and the other end of the sliding rod is connected in the sliding groove 2 in a sliding mode. Preferably, the end of the sliding rod 6 facing away from the second blade 5 is provided with a roller 12, so that the sliding rod 6 and the sliding groove 2 are in rolling friction.
Specifically, the inside wall of the ventilation window 1, which deviates from one side of the first blade 4, is provided with a movable groove 7, the sliding groove is communicated with the sliding groove 2, one side of the movable groove 7, which deviates from the first blade 4, is fixedly provided with an electromagnet 8, and the opening end of the movable groove 7 is provided with a permanent magnet 9.
In order to prevent the permanent magnet 9 from sliding out of the sliding groove, a limiting block 11 is arranged on one side wall of the movable groove 7 deviating from the sliding groove 2, and the width of the limiting block 11 is smaller than that of the opening end of the movable groove 7, so that the limiting block 11 is prevented from blocking the movement of the ventilation blade 3. The permanent magnet 9 is abutted with the limiting block 11. The other side of the second blade 5 opposite to the side where the first blade 4 is connected is fixedly connected to the permanent magnet 9.
In this embodiment, preferably, a groove 13 is opened on a side of the first blade 4 close to the second blade 5, so that a ventilation hole 14 for ventilation is formed between the first blade 4 and the second blade 5. Wherein, the side of the second blade 5 close to the first blade 4 is provided with a blocking piece 15, and when the first blade 4 is parallel to the second blade 5, the blocking piece 15 seals the ventilation hole 14.
Furthermore, the sliding groove 2 is provided with an elastic reset piece 10, and it can be known from the above description that the ventilating vanes 3 of the present embodiment are provided in two groups, that is, the sliding rods 6 are provided with two groups in the same way. One end of the elastic reset piece 10 is abutted with the inner side wall of the groove 13, and the other end of the elastic reset piece is abutted with the permanent magnet 9. And, the middle part of the elastic reset piece 10 is connected with the two slide bars 6 to drive the slide bars 6 to move.
The fireproof door 17 is provided with a smoke sensor 16, the smoke sensor 16 is connected with a normally closed relay through an electric wire, and the normally closed relay is connected with the electromagnet 8 in series.
The specific working process of this embodiment is as follows: when a fire disaster occurs, a large amount of smoke is generated, and the smoke sensor 16 sends out an alarm signal after detecting the smoke and starts the electromagnet 8 to electrify and magnetize the electromagnet 8. The electromagnet 8 is fixed in the movable groove 7, and after the electromagnet 8 is electrified, the permanent magnet 9 is attracted to move in the direction close to the electromagnet 8, so that the elastic resetting piece 10 is stretched, and the elastic resetting piece 10 stores elastic potential energy. The elastic reset piece 10 is used for driving the sliding rod 6 to stretch the ventilating vane 3 to move along the direction close to the electromagnet 8, so that the first vane 4 and the second vane 5 are parallel and are positioned on the same plane to seal the ventilating window 1, and harmful gas or dense smoke in a room is prevented from leaking to the outdoor space through the ventilating window 1.
When a fire disaster does not happen, the smoke sensor 16 is in a normally closed state, the electromagnet 8 is not electrified, the electromagnetic performance is eliminated, the elastic resetting piece 10 recovers elastic potential energy, the permanent magnet 9 is stretched by the elastic resetting piece 10 to move away from the electromagnet 8, and as shown in a combined view in fig. 3, the cross sections of the first blade 4 and the second blade 5 are in a V shape along the height direction, a ventilation channel for indoor and outdoor ventilation is formed between the first blade 4 and the second blade 5, the blocking piece 15 is far away from the ventilation hole 14, the ventilation hole 14 also communicates the indoor and outdoor environment, and the daily ventilation function of the fireproof door 17 can be realized.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The ventilation structure of the fireproof door comprises a ventilation window (1) and is characterized in that a sliding groove (2) is formed in the inner side wall of the ventilation window (1) along the length direction of the ventilation window (1), ventilation blades (3) are arranged in the sliding groove (2), each ventilation blade (3) comprises a first blade (4) and a second blade (5), the side edge of each first blade (4) is fixedly connected with the inner side wall of the ventilation window (1) along one side of the width direction, the other side edge, opposite to the first blade (4), of each first blade is fixed on the surface of the corresponding second blade (5), the first blade (4) is rotatably connected to the surface of the corresponding second blade (5) along the length direction of the connection position of the corresponding second blade (5), the corresponding second blade (5) deviates from the first blade (4) and is provided with a sliding rod (6) close to the sliding groove (2), one end of the sliding rod (6) is abutted against the second blade (5), and the other end of the sliding rod is connected in the sliding groove (2) in a sliding manner;
a movable groove (7) is formed in the inner side wall of one side, away from the first blade (4), of the ventilating window (1), an electromagnet (8) is fixedly arranged on one side, away from the first blade (4), of the movable groove (7), and a permanent magnet (9) is arranged at the opening end of the movable groove (7);
an elastic reset piece (10) is arranged in the sliding groove (2), one end of the elastic reset piece (10) is abutted against the permanent magnet (9), and the other end of the elastic reset piece (10) is abutted against the sliding rod (6);
the fireproof door (17) is provided with a smoke sensor (16), the output end of the smoke sensor (16) is electrically connected with the input end of a normally closed relay, and the normally closed relay is connected with the electromagnet (8) in series.
2. The fire door ventilation structure according to claim 1, characterized in that the opposite side of the second blade (5) to the first blade (4) is fixedly connected to the permanent magnet (9).
3. The ventilation structure of a fire door according to claim 1, characterized in that a stopper (11) for preventing the permanent magnet (9) from slipping out of the movable groove (7) is provided in the movable groove (7).
4. The ventilation structure of a fire door according to claim 1, characterized in that the sliding bar (6) is provided with a roller (12) at its end close to the runner (2), the sliding bar (6) being in rolling friction with the runner (2).
5. The ventilation structure of a fire door according to claim 1, characterized in that the side of the first blade (4) close to the second blade (5) is grooved (13) so that a ventilation hole (14) for ventilation is formed between the first blade (4) and the second blade (5).
6. The ventilation structure of a fire door according to claim 5, characterized in that a side of the second blade (5) close to the first blade (4) is provided with a flap (15), the flap (15) sealing the ventilation hole (14) when the first blade (4) is parallel to the second blade (5).
7. The ventilation structure of the fire door according to claim 1, characterized in that the width of the ventilation blade (3) is set to match the width of the ventilation window (1).
8. The ventilation structure of a fire door according to claim 1, characterized in that the ventilation window (1) is provided close to the ground in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374067.6U CN210858494U (en) | 2019-08-22 | 2019-08-22 | Ventilation structure of fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374067.6U CN210858494U (en) | 2019-08-22 | 2019-08-22 | Ventilation structure of fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858494U true CN210858494U (en) | 2020-06-26 |
Family
ID=71286139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374067.6U Expired - Fee Related CN210858494U (en) | 2019-08-22 | 2019-08-22 | Ventilation structure of fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282610A (en) * | 2020-11-16 | 2021-01-29 | 岑土秀 | Wind power detection displacement adjusting unit and intelligent adjusting door and window thereof |
| CN112681949A (en) * | 2020-12-23 | 2021-04-20 | 江苏华国安防有限公司 | High fire-retardant fire door that prevents with ventilation function |
-
2019
- 2019-08-22 CN CN201921374067.6U patent/CN210858494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282610A (en) * | 2020-11-16 | 2021-01-29 | 岑土秀 | Wind power detection displacement adjusting unit and intelligent adjusting door and window thereof |
| CN112681949A (en) * | 2020-12-23 | 2021-04-20 | 江苏华国安防有限公司 | High fire-retardant fire door that prevents with ventilation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |