CN109339660B - Fire escape door with fixed angle - Google Patents
Fire escape door with fixed angle Download PDFInfo
- Publication number
- CN109339660B CN109339660B CN201811515334.7A CN201811515334A CN109339660B CN 109339660 B CN109339660 B CN 109339660B CN 201811515334 A CN201811515334 A CN 201811515334A CN 109339660 B CN109339660 B CN 109339660B
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- CN
- China
- Prior art keywords
- door
- limiting plate
- door panel
- angle
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/44—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a device carried on the wing for frictional or like engagement with a fixed flat surface, e.g. for holding wings open or closed by retractable feet
Abstract
The invention discloses a fire escape door with a fixed angle, which is characterized in that a semicircular limiting plate is arranged at one end of an upper door frame at the opening and closing position of a door panel; the other end of the semicircular limiting plate extends towards the direction of the hinged position of the door plate and is arranged on the wall body; the upper surface of the semicircular limiting plate is a horizontal plane, the lower surface of the semicircular limiting plate is an arc surface, and a groove is formed in the arc surface; a hole groove is formed in the groove; and the hole groove is the highest point of the cambered surface. The device also comprises two electromagnets, a limiting rod and a roller connected to the limiting rod. The invention can switch on current when the automatic fire alarm system is started to enable the electromagnet to be electrified, so that the door can be automatically opened to the optimal evacuation angle and fixed at the optimal evacuation angle, thereby enabling indoor people to be evacuated in time to the maximum degree and improving the evacuation efficiency of the people.
Description
Technical Field
The invention belongs to the field of escape doors, and particularly relates to a fire escape door with a fixed angle.
Background
As is well known, the door is widely used in the life of people, the crowd evacuation efficiency is effectively improved by the double-leaf door used in large-scale venues such as meeting rooms, the existing double-leaf door is discovered in use, when emergency happens and people need to be rapidly evacuated, the crowd evacuation efficiency can be influenced by the state of the door, when the double-leaf door is completely opened, the crowd can be evacuated towards one side of the door, so that the door opening is crowded or even a trampling event occurs, and the safety of the escape door is greatly reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the fire escape door with a fixed angle, so that the safety of the escape door during evacuation can be improved by controlling and fixing the door opening angle, and the evacuation efficiency of people can be effectively improved in case of emergency.
The invention adopts the following technical scheme for solving the technical problems:
the invention relates to a fire escape door with a fixed angle, which consists of a door frame and a door plate, wherein the door plate can be opened only to one side, and is characterized in that: a semicircular limiting plate is arranged at one end of the upper door frame at the opening and closing position of the door panel; the other end of the semicircular limiting plate extends towards the direction of the hinge joint of the door plate and is arranged on the wall body; the upper surface of the semicircular limiting plate is a horizontal plane, the lower surface of the semicircular limiting plate is an arc surface, and a groove is formed in the arc surface; a hole groove is formed in the groove; and the hole groove is the highest point of the cambered surface;
the door plate is internally provided with a first electromagnet and a second electromagnet which have the same magnetic poles on the contact surfaces after being electrified from bottom to top; a limiting rod is connected above the first electromagnet; the limiting rod extends upwards to the position near the edge of the top of the door panel, and the top end of the limiting rod is provided with a roller; the roller is close to the edge of the top of the door panel.
The fire escape door is used for alarming by an automatic fire alarm system and simultaneously switching on current so that the first electromagnet and the second electromagnet generate mutually exclusive magnetic force, and therefore the limiting rod is driven to move upwards, the roller extends to the outer side of the edge of the top of the door panel and slides in the groove of the semicircular limiting plate to the hole groove, and the limiting of the door panel is formed.
The fire escape door with the fixed angle is characterized in that: the position of the hole groove on the cambered surface is determined as follows:
the top of the rotating shaft of the door panel is used as a central point, an edge formed by extending the central point to one side of the wall is used as a right-angle edge, the right-angle edge is smaller than the width of the door panel, an included angle β between the opened door panel and the wall is used as an acute angle, the included angle β ranges from 40 degrees to 45 degrees, and therefore the intersection point of the other right-angle edge and the semicircular limiting plate is obtained through the pythagorean theorem and is the position of the hole groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the door plate can be fixed at a certain angle by utilizing the combined action of the semicircular limiting plate and the limiting rod which moves upwards after being electrified, so that the evacuation efficiency and the use efficiency of the door are improved.
2. The lower surface of the semicircular limiting plate adopted in the invention has a certain radian, so that the limiting rod can slide in the groove on the lower surface of the semicircular limiting plate, the angle of the door plate can be well controlled, and the door plate stops sliding due to the arrangement of the hole groove position, thereby achieving the effect of fixing the angle.
3. According to the electromagnet control device adopted in the invention, when the electromagnet is electrified, the two electromagnets repel each other, so that the limiting rod moves upwards and contacts with the semicircular limiting plate, and the angle control effect is achieved.
Drawings
FIG. 1 is an overall view of the present invention with the door closed;
FIG. 2 is a front view of the semicircular limiting plate of the present invention;
FIG. 3 is a left side view of the semicircular limiting plate of the present invention;
FIG. 4 is a top view of the semicircular limiting plate of the present invention;
FIG. 5 is a schematic view of the interior of the door panel when not energized in accordance with the present invention;
FIG. 6 is a schematic view of the interior of the door panel when the door is powered on according to the present invention;
FIG. 7 is a diagram illustrating the effect of the door fixing when the power is on according to the present invention.
Detailed Description
In the embodiment, as shown in fig. 1, the fire escape door is composed of a left door frame 1, a right door frame 2, an upper door frame 3 and a door panel 4, wherein the door panel 4 can only be opened towards one side, and a semicircular limiting plate 6 is arranged at one end of the upper door frame 3 at the opening and closing position of the door panel 4; three views of the semicircular limiting plate 6 are shown in fig. 2, 3 and 4; the other end of the semicircular limiting plate 6 extends towards the direction of the hinged position of the door panel 4 and is arranged on the wall body; the upper surface of the semicircular limiting plate 6 is a horizontal plane, the lower surface is a cambered surface, and a groove 9 is arranged on the cambered surface; a hole groove 7 is arranged on the groove 9; and the hole groove 7 is the highest point of the cambered surface;
as shown in fig. 5, two second electromagnets 11 and two first electromagnets 10 with the same magnetic pole on the contact surface after electrification are installed inside the door panel 4 from bottom to top; a limiting rod 12 is connected above the first electromagnet 10; the limiting rod 12 extends upwards to the position near the top edge of the door panel 4, the top end of the limiting rod 12 is provided with a roller 13, and the roller 13 is fixed on the limiting rod 12 through screws; the roller 13 is near the top edge of the door panel 4.
As shown in fig. 6, an electromagnet is a device that generates electromagnetism by being energized according to the operating principle of the electromagnet. The core is wound with an electrically conductive winding adapted to its power, and the coil, which is energized with electric current, is magnetic like a magnet, which is also called an electromagnet. It is usually made into a bar or shoe shape to make the iron core easier to magnetize, and the electromagnet has magnetism when it is powered on, and then the magnetism disappears after the power is off. The electromagnet is a device which can generate magnetic force by passing current, belongs to a non-permanent magnet, and can easily start or eliminate the magnetism of the electromagnet. When a fire disaster happens, the automatic fire alarm system is started and simultaneously switched on, so that the contact surfaces of the first electromagnet 10 and the second electromagnet 11 have the same magnetic pole to generate mutually exclusive magnetic force, thereby driving the stop lever 12 to move upwards, so that the roller 13 extends to the outside of the top edge of the door panel 4 and slides in the groove 9 of the semicircular stop plate 6, because the groove 9 is not horizontal, a component force towards left and right movement is generated during the ascending movement of the limiting rod 12, taking the door panel position 4 at the left side of the hole groove 7 as an example, according to the result of the force analysis of the limiting rod 12, when the door panel 4 is positioned at the left side of the hole slot 7, the limiting rod 12 generates a component force moving to the right, so that the roller 13 moves along the groove 9 in the direction of the hole slot 7 until the roller 13 moves into the hole slot 7, thereby forming a limit for the door panel 4. The final effect graph is shown in fig. 7.
In specific implementation, the position of the hole groove 7 on the cambered surface is determined as follows:
as shown in fig. 4, the top of the rotating shaft of the door panel 4 is used as a central point, the edge formed by extending the central point to one side of the wall is used as a right-angle edge m, the right-angle edge is smaller than the width of the door panel 4, and the included angle β between the opened door panel 4 and the wall is used as an acute angle, according to the simulation result, when the included angle β is 40-45 degrees, the crowd evacuation rate is highest, so that the utilization rate and the safety of the door are highest, and the crossing point of the other right-angle edge n and the semicircular limiting plate 6, which is obtained by utilizing the pythagorean theorem, is the position of.
The door is one of the double-leaf door, the limit plate of the other door is arranged at the position corresponding to the limit plate of the door according to the symmetry of the door, the corresponding electromagnet device, the limit rod and the like are arranged on the other door according to the same arrangement method, and the double-leaf door moves simultaneously when current is switched on, so that the door panel reaches the required angle and is fixed.
Claims (1)
1. The utility model provides a fire escape door of fixed angle, fire escape door comprises door frame and door plant (4), and door plant (4) can only be opened to one side, characterized by: a semicircular limiting plate (6) is arranged at one end of the upper door frame (3) at the opening and closing position of the door panel (4); the other end of the semicircular limiting plate (6) extends towards the direction of the hinged position of the door panel (4) and is arranged on a wall body; the upper surface of the semicircular limiting plate (6) is a horizontal plane, the lower surface of the semicircular limiting plate is an arc surface, and a groove (9) is formed in the arc surface; a hole groove (7) is formed in the groove (9); and the hole groove (7) is the highest point of the cambered surface;
the position of the hole groove (7) on the cambered surface is determined as follows:
the top of a rotating shaft of the door panel (4) is taken as a central point, an edge formed by extending the central point to one side of a wall is taken as a right-angle edge, the right-angle edge is smaller than the width of the door panel (4), an included angle β between the opened door panel (4) and the wall is taken as an acute angle, and the included angle β ranges from 40 degrees to 45 degrees, so that the intersection point of the other right-angle edge and the semicircular limiting plate (6) is obtained by utilizing the pythagorean theorem and is the position of the hole groove (7);
a first electromagnet (10) and a second electromagnet (11) which have the same magnetic poles on the contact surface after being electrified are arranged in the door panel (4) from bottom to top; a limiting rod (12) is connected above the first electromagnet (10); the limiting rod (12) extends upwards to the position near the top edge of the door panel (4), and a roller (13) is arranged at the top end of the limiting rod (12); the roller (13) is close to the top edge of the door panel (4),
the fire escape door alarms in a fire automatic alarm system and is simultaneously connected with current, so that the first electromagnet (10) and the second electromagnet (11) generate mutually exclusive magnetic force, the limiting rod (12) is driven to move upwards, the roller (13) extends to the outer side of the edge of the top of the door plate (4) and slides in the groove (9) of the semicircular limiting plate (6) to the hole groove (7), and the door plate (4) is limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515334.7A CN109339660B (en) | 2018-12-12 | 2018-12-12 | Fire escape door with fixed angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515334.7A CN109339660B (en) | 2018-12-12 | 2018-12-12 | Fire escape door with fixed angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109339660A CN109339660A (en) | 2019-02-15 |
| CN109339660B true CN109339660B (en) | 2020-06-05 |
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ID=65303789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515334.7A Active CN109339660B (en) | 2018-12-12 | 2018-12-12 | Fire escape door with fixed angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109339660B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203961663U (en) * | 2014-06-25 | 2014-11-26 | 徐伟青 | A kind of emergency escape door |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101568367B1 (en) * | 2014-02-25 | 2015-11-12 | 아주자동차대학 산학협력단 | invisible automatic door have join of one another art to different |
| CN105401826B (en) * | 2016-01-06 | 2017-04-12 | 成都鑫豪斯电子探测技术有限公司 | Fireproof door electric door closer |
| CN205976873U (en) * | 2016-08-30 | 2017-02-22 | 瓯宝安防科技股份有限公司 | Prevent that fire door closes door gear |
| CN108487804A (en) * | 2018-04-19 | 2018-09-04 | 叶尔 | Can arbitrary fixed angle door |
| CN108825062A (en) * | 2018-04-20 | 2018-11-16 | 戴鲁汉 | A kind of anti-extrusion safety door of induction |
-
2018
- 2018-12-12 CN CN201811515334.7A patent/CN109339660B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203961663U (en) * | 2014-06-25 | 2014-11-26 | 徐伟青 | A kind of emergency escape door |
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| Publication number | Publication date |
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| CN109339660A (en) | 2019-02-15 |
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