CN114016847A - Prevent fire door electromagnetic switch controlgear - Google Patents

Prevent fire door electromagnetic switch controlgear Download PDF

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Publication number
CN114016847A
CN114016847A CN202111263897.3A CN202111263897A CN114016847A CN 114016847 A CN114016847 A CN 114016847A CN 202111263897 A CN202111263897 A CN 202111263897A CN 114016847 A CN114016847 A CN 114016847A
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CN
China
Prior art keywords
locking
fixed frame
door
electromagnetic switch
fire door
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Pending
Application number
CN202111263897.3A
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Chinese (zh)
Inventor
齐云江
谢峰
张永和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Benan Technology Development Co ltd
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Jinan Benan Technology Development Co ltd
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Publication date
Application filed by Jinan Benan Technology Development Co ltd filed Critical Jinan Benan Technology Development Co ltd
Priority to CN202111263897.3A priority Critical patent/CN114016847A/en
Publication of CN114016847A publication Critical patent/CN114016847A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators

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  • Special Wing (AREA)

Abstract

The invention provides fireproof door electromagnetic switch control equipment, and mainly relates to the field of fireproof door control. Prevent fire door electromagnetic switch controlgear, including the slide rail, the slide rail uses bolt fixed mounting on the door frame on preventing fire door upper portion, bolt fixed mounting locking means is used to one end in the slide rail, slidable mounting slider in the slide rail, locking means includes fixed frame, fixed mounting has the circuit board in the fixed frame, fixed mounting electro-magnet in the fixed frame, electro-magnet one end sets up the spring bolt, rotates the installation rocking arm in the fixed frame. The invention has the beneficial effects that: the locking mechanism is simple in structure and energy-saving, the locking mechanism is integrated by using the electromagnet, and the electromagnet does not need to be powered up at ordinary times; the door can be automatically reset and locked by utilizing the characteristic that the plastic material can generate elastic deformation under stress, and other operations are not needed; the internal pressure of the structure is concentrated in a small area, so that the door closer can be realized by adopting a poly carbon or ABS material without using a cast aluminum material, and the cost is lower than that of the traditional door closer.

Description

Prevent fire door electromagnetic switch controlgear
Technical Field
The invention mainly relates to the field of fireproof door control, in particular to fireproof door electromagnetic switch control equipment.
Background
The fire door is a fire-proof device, and is automatically closed when a fire disaster occurs, so that the fire disaster is prevented from spreading. The normally closed fireproof door needs to be manually opened when a person passes through the normally closed fireproof door, the person passes through the normally closed fireproof door and is automatically closed under the action of the door closer, but sometimes the person often passes through the normally closed fireproof door, and the normally closed fireproof door is expected to be temporarily kept in a normally open state under certain conditions in order to facilitate the person to pass through the normally closed fireproof door; although some door closers with a door stop function are available, i.e. the door may not be automatically closed after opening a certain angle, the door closers are prohibited from being used in fire doors due to safety concerns. At present, in order to enable a normally closed fireproof door to be normally opened under a certain condition, the normally closed fireproof door can be timely released to be closed when a fire disaster occurs, and the normally closed fireproof door is usually realized by adopting a fireproof door electromagnetic switch control device. The working process is that in the normal state of the system, the fireproof door can be kept in an open state after being opened to a certain angle, and personnel can normally pass through the fireproof door; after a fire occurs, the fire alarm controller transmits a signal to the fireproof door controller through the fire-fighting linkage control device, the fireproof door controller controls the electromagnetic switch control equipment of the fireproof door of the corresponding fireproof partition to release the fireproof door, the fireproof door is closed, and a fire source is sealed.
The fire door switch control equipment which is most widely used at present is of a continuous power supply type. The method is realized by controlling one end of a lever by an electromagnet, controlling the displacement of a slide block by the other end of the lever, attracting the lever and keeping the position after the electromagnet is electrified, and tilting the other end of the lever at the moment to ensure that the slide block cannot move. After the fireproof door is opened, the sliding block is locked by the lever to keep the door open. After the electromagnet is powered off, the lever is released, the other end of the lever can overcome the elastic force of the return spring to rotate, the sliding block can normally pass through the locking position in the sliding groove, and the fireproof door can be normally closed under the action of the door closer.
The product has the advantages of low price and capability of meeting the application of a small system; the disadvantage is that the power consumption is large, and the electromagnet needs to be supplied with power continuously; when the system is large, the problem of line voltage drop of centralized power supply is more prominent, the voltage at the tail end of the line is very low, and the system is easy to be unstable; in large system applications, the wiring cost and power supply cost are relatively high. Lever means, its cross-section is "C" type metal sheet and is regarded as the lever, and the electro-magnet end equals with slider locking end distance, and the lever proportion is 1 promptly: 1, the pressure born by the lever is relatively large, and a cast aluminum frame is required to be used for supporting. The products used in the industry at present have the disadvantages of large volume, high material consumption and high production and processing cost.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the electromagnetic switch control equipment for the fireproof door, which has a simple structure and energy conservation, adopts the electromagnet to integrate the locking mechanism, and does not need to be powered up at ordinary times. The door can be automatically reset and locked by utilizing the characteristic that the plastic material can be stressed to generate elastic deformation, and other operations are not needed. The internal pressure of the structure is concentrated in a small area, so that the door closer can be realized by adopting a poly carbon or ABS material without using a cast aluminum material, and the cost is lower than that of the traditional door closer.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a prevent fire door electromagnetic switch controlgear, includes the slide rail, the slide rail uses bolt fixed mounting on the door frame on preventing fire door upper portion, bolt fixed mounting locking means is used to one end in the slide rail, slidable mounting slider in the slide rail, locking means includes fixed frame, fixed mounting has the circuit board among the fixed frame, fixed mounting electro-magnet among the fixed frame, electro-magnet one end sets up the spring bolt, rotate the installation rocking arm among the fixed frame, slidable mounting locking piece among the fixed frame, rocking arm one end and locking piece sliding contact, locking piece locking end has two inclined planes and includes locking surface, buffering face, set up reset spring between fixed frame and the rocking arm, electro-magnet one side sets up the button of closing the door, the locking groove has been seted up on the slider, the slider bottom sets up articulated seat.
The fixed frame is provided with an opening, one end of the sliding block is provided with a locking tip, and the locking tip is provided with a buffer surface.
The circuit board is provided with a working indicator lamp, the circuit board is provided with a power socket, the power socket is used for communication and power supply, and the electromagnet is electrically connected with the circuit board.
The rocking arm includes long arm end, short arm end and articulated shaft, long arm end and short arm end length ratio do: and the bottom of the long arm end of the rocker arm is provided with a reinforcing rib.
A semicircular bulge is arranged in the locking block and is in sliding contact with the end of the short arm.
The long arm end is provided with a spring pin boss, the fixed frame is internally provided with a spring fixed seat, and the reset spring is arranged between the spring fixed seat and the spring pin boss.
The included angle between locking face and the installation horizontal plane is 50 °, the included angle between buffering face and the horizontal plane is 8 °, the included angle between buffering inclined plane and the horizontal plane is 8 °.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure and energy saving, uses the electromagnet to integrate the locking mechanism, and the electromagnet does not need to be powered up at ordinary times; the door can be automatically reset and locked by utilizing the characteristic that the plastic material can generate elastic deformation under stress, and other operations are not needed; the internal pressure of the structure is concentrated in a small area, so that the door closer can be realized by adopting a poly carbon or ABS material without using a cast aluminum material, and the cost is lower than that of the traditional door closer.
The low-cost micro-power consumption door closer can adapt to market demands better, the distribution of the arm of force of a suitable rocker arm is combined with the toughness characteristic of plastics, and compared with the existing product, the low-cost micro-power consumption door closer has the advantages of simple realization structure, low power consumption, high cost and high power consumption, and the scheme can better solve the problem.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of a first view angle of the locking device and the sliding block;
FIG. 3 is a schematic view of a second view angle of the locking device and the sliding block;
FIG. 4 is a schematic sectional view of the locking device and the slider of the present invention;
FIG. 5 is a schematic view of the present invention in its position of use;
FIG. 6 is a schematic structural view of a second position of the present invention in use;
fig. 7 is a partially enlarged structural view of the part a of the present invention.
Reference numerals shown in the drawings: 1. a slide rail; 2. a locking device; 3. a slider; 21. a fixed frame; 22. a circuit board; 23. an electromagnet; 24. a latch bolt; 25. a rocker arm; 26. a locking block; 27. a return spring; 28. a door closing button; 31. a locking groove; 32. a hinged seat; 33. a locking tip; 34. aligning the buffer surface; 210. an opening; 211. a spring fixing seat; 221. a work indicator light; 222. a power socket; 251. a long arm end; 252. a short arm end; 253. hinging a shaft; 254. reinforcing ribs; 255. a spring pin boss; 261. a locking surface; 262. a buffer surface; 263. a semicircular bulge.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
With reference to fig. 1-7, an electromagnetic switch control device for a fire door comprises a slide rail 1, wherein the slide rail 1 is fixedly installed on a door frame at the upper part of the fire door by using bolts, a locking device 2 is fixedly installed at one end of the slide rail 1 by using bolts, a sliding block 3 is slidably installed in the slide rail 1, the locking device 2 comprises a fixed frame 21, a circuit board 22 is fixedly installed in the fixed frame 21, an electromagnet 23 is fixedly installed in the fixed frame 21, a lock tongue 24 is arranged at one end of the electromagnet 23, a rocker arm 25 is rotatably installed in the fixed frame 21, a locking block 26 is slidably installed in the fixed frame 21, one end of the rocker arm 25 is in sliding contact with the locking block 26, the locking end of the locking block 26 has two inclined planes comprising a locking surface 261 and a buffering surface 262, a reset spring 27 is arranged between the fixed frame 21 and the rocker arm 25, a door closing button 28 is arranged at one side of the electromagnet 23, a locking groove 31 is formed in the sliding block 3, and a hinged seat 32 is arranged at the bottom of the sliding block 3. The circuit board can receive and process information and control the electromagnet to work in time; the spring bolt is arranged in the electromagnet in a sliding manner, when the electromagnet is not electrified, the spring enables the spring bolt to pop out, the spring bolt can lock the rocker arm to enable the rocker arm not to rotate, when the electromagnet is electrified, the spring bolt is attracted by magnetic force and retracts into the electromagnet shell, and the rocker arm can overcome the elastic force of the reset spring to rotate; the rocker arm in the present device acts like the lever mentioned in the background.
An opening 210 is formed in the fixed frame 21, a locking tip 33 is arranged at one end of the sliding block 3, and a buffer surface 34 is arranged on the locking tip 33. After the slider has entered the locking device, the locking tip can be inserted into the opening.
The circuit board 22 is provided with a working indicator lamp 221, the circuit board 22 is provided with a power socket 222, the power socket 222 is used for communication and power supply, the electromagnet 23 is electrically connected with the circuit board 22, and the working indicator lamp can display the working state of the equipment in real time.
The rocker arm 25 comprises a long arm end 251, a short arm end 252 and a hinge shaft 253, wherein the length ratio of the long arm end 251 to the short arm end 252 is 5: 1, rocking arm long arm end 251 bottom sets up strengthening rib 254, and the intensity of long arm end can be strengthened to the strengthening rib, makes it can satisfy the user demand, makes the locking piece insert the locking groove steadily and locks the slider.
A semicircular bulge 263 is arranged in the locking block 26, the semicircular bulge 263 is in sliding contact with the short arm end 252, the contact area of the semicircular bulge and the rocker arm in a normal moving range is uniform, and power transmission is stable.
The long arm end 251 is provided with a spring pin seat 255, the fixed frame 21 is provided with a spring fixed seat 211, the return spring 27 is arranged between the spring fixed seat 211 and the spring pin seat 255, and the return spring enables the rocker arm to return to the initial position after the sliding block leaves the locking device or the locking block enters the locking groove, so that the lock tongue can normally extend out of the locking rocker arm.
The included angle between the locking surface 261 and the installation horizontal plane is 50 degrees, the included angle between the buffering surface 262 and the horizontal plane is 8 degrees, and the included angle between the buffering inclined plane 34 and the horizontal plane is 8 degrees. The slope of the inclined surface of the locking surface is larger, and after the electromagnet lock tongue extends out to lock the rocker arm, the locking end of the locking block can stably lock the sliding block; the buffering face with to the buffering face slope less and parallel, can cushion the impact between locking piece and the locking point end well, improve the life of device.
The realization principle is as follows: the locking block is a square cylinder with a double-slope locking end, the slopes of the double slopes are different, the slope of the slope is larger, the locking face is used for locking the sliding block, the sliding block is acted on the locking face with the larger slope by the force of the door closer, the upward component force of the locking block is small, the component force to the side wall is large, the rocker cannot be elastically deformed by the upward component force, and therefore the sliding block can be kept locked; the side that the slope is little is for opening the buffering face, and less slope makes slider effect upwards component far away more than to the component of lateral wall on the locking piece when opening the door, and most moment transmits makes its production elastic deformation for the rocking arm, and the locking piece can upwards move to make the slider can get into locking means, locking piece locking end gets into the locking groove locking slider in the slider after the slider gets into locking means.
When the device is used, the connecting rod of the door closer drives the sliding block to slide in the sliding groove, when the fireproof door needs to be opened, the fireproof door is opened to the maximum opening angle, and the sliding block slides into the locking device to keep the fireproof door in an opening state; the locking tip can push the locking block upwards when the sliding block enters the locking device, so that the locking end of the locking block enters the locking groove; the rocker arm is made of carbon or ABS materials, the locking block moves upwards depending on the toughness of the rocker arm plastic materials, the locking tip pushes the sliding block buffering surface to accumulate energy in the door closing process, and the rocker arm generates plastic deformation to enable the sliding block to move upwards so that the sliding block can enter the locking device to be locked. This process make full use of the toughness characteristics of the plastic material that the rocking arm selected, and traditional door closer is owing to select for use the metal lever, must rely on the spring of locking structure below to cushion in this process and can accomplish, and this scheme has then simplified and has changed the structure, directly utilizes the toughness of carbon or ABS material self, produces from warping the completion, can effectively reduction in production cost.
After receiving fire control coordinated control device and transmitting for preventing that fire door controller closes the door instruction or manually press the button of closing the door, a pulse voltage is applyed to the circuit board electro-magnet, and the electro-magnet adsorbs the spring bolt and withdraws, prevents that fire door pushes away the slider under the effect of door closer and leaves locking means, and reset spring elasticity rotation can be overcome to the rocking arm this moment, slider alright in order easily to promote locking piece rebound to smooth the locking means that leaves makes to prevent fire door can close, guarantees fire control safety.

Claims (7)

1. The utility model provides a prevent fire door electromagnetic switch controlgear, includes slide rail (1), its characterized in that: the sliding rail (1) is fixedly installed on a door frame on the upper portion of a fireproof door through bolts, one end of the sliding rail (1) is fixedly installed with a locking device (2) through bolts, a sliding block (3) is installed in the sliding rail (1) in a sliding mode, the locking device (2) comprises a fixed frame (21), a circuit board (22) is fixedly installed in the fixed frame (21), an electromagnet (23) is fixedly installed in the fixed frame (21), a lock tongue (24) is arranged at one end of the electromagnet (23), a rocker arm (25) is rotatably installed in the fixed frame (21), a locking block (26) is slidably installed in the fixed frame (21), one end of the rocker arm (25) is in sliding contact with the locking block (26), the locking end of the locking block (26) is provided with two inclined planes which comprise a locking surface (261) and a buffering surface (262), and a reset spring (27) is arranged between the fixed frame (21) and the rocker arm (25), the door closing button (28) is arranged on one side of the electromagnet (23), the locking groove (31) is formed in the sliding block (3), and the hinged seat (32) is arranged at the bottom of the sliding block (3).
2. The fire door electromagnetic switch control apparatus of claim 1, characterized in that: be equipped with opening (210) on fixed frame (21), slider (3) one end sets up locking pointed end (33), set up on locking pointed end (33) to buffering face (34).
3. The fire door electromagnetic switch control apparatus of claim 1, characterized in that: the working indicator lamp (221) is mounted on the circuit board (22), a power socket (222) is arranged on the circuit board (22), the power socket (222) is used for communication and power supply, and the electromagnet (23) is electrically connected with the circuit board (22).
4. The fire door electromagnetic switch control apparatus of claim 1, characterized in that: the rocker arm (25) comprises a long arm end (251), a short arm end (252) and a hinge shaft (253), and the length ratio of the long arm end (251) to the short arm end (252) is 5: 1, a reinforcing rib (254) is arranged at the bottom of the long arm end (251) of the rocker arm.
5. The fire door electromagnetic switch control apparatus of claim 4, characterized in that: a semicircular bulge (263) is arranged in the locking block (26), and the semicircular bulge (263) is in sliding contact with the short arm end (252).
6. The fire door electromagnetic switch control apparatus of claim 4, characterized in that: the long arm end (251) is provided with a spring pin seat (255), the fixed frame (21) is internally provided with a spring fixed seat (211), and the return spring (27) is arranged between the spring fixed seat (211) and the spring pin seat (255).
7. The fire door electromagnetic switch control apparatus of claim 2, characterized in that: the included angle between locking face (261) and the installation horizontal plane is 50, the included angle between buffering face (262) and the horizontal plane is 8, to the included angle between buffering inclined plane (34) and the horizontal plane be 8.
CN202111263897.3A 2021-10-27 2021-10-27 Prevent fire door electromagnetic switch controlgear Pending CN114016847A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111263897.3A CN114016847A (en) 2021-10-27 2021-10-27 Prevent fire door electromagnetic switch controlgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111263897.3A CN114016847A (en) 2021-10-27 2021-10-27 Prevent fire door electromagnetic switch controlgear

Publications (1)

Publication Number Publication Date
CN114016847A true CN114016847A (en) 2022-02-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114408265A (en) * 2022-02-24 2022-04-29 珠海市维启自动化设备有限公司 Vacuum powder filling device and system

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE102010046402A1 (en) * 2010-09-23 2012-03-29 Assa Abloy Sicherheitstechnik Gmbh Locking unit for locking a door in a holding position, door closing system with such a locking unit and method for operating such a locking unit
CN204899550U (en) * 2015-07-07 2015-12-23 广州市禹成消防科技有限公司 Electromagnetic switch structure of electronic door closer
CN108868430A (en) * 2018-08-20 2018-11-23 广州六瑞消防科技有限公司 A kind of door closer
US20190003239A1 (en) * 2015-08-06 2019-01-03 Suzhou Fuerda Technology Co., Ltd. Automatic fire door closing device and system
CN209444023U (en) * 2018-11-06 2019-09-27 秦皇岛尼特智能科技有限公司 A kind of positioning release system
CN212176889U (en) * 2020-04-02 2020-12-18 武汉凯斯玛特智能控制设备有限公司 Prevent fire door electric door closer
CN212337011U (en) * 2020-09-08 2021-01-12 苏州奥莱森电器科技有限公司 Novel prevent fire door electric door closer
CN213297562U (en) * 2020-06-29 2021-05-28 深圳市中天明消防科技有限公司 Door closer positioning and releasing structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046402A1 (en) * 2010-09-23 2012-03-29 Assa Abloy Sicherheitstechnik Gmbh Locking unit for locking a door in a holding position, door closing system with such a locking unit and method for operating such a locking unit
CN204899550U (en) * 2015-07-07 2015-12-23 广州市禹成消防科技有限公司 Electromagnetic switch structure of electronic door closer
US20190003239A1 (en) * 2015-08-06 2019-01-03 Suzhou Fuerda Technology Co., Ltd. Automatic fire door closing device and system
CN108868430A (en) * 2018-08-20 2018-11-23 广州六瑞消防科技有限公司 A kind of door closer
CN209444023U (en) * 2018-11-06 2019-09-27 秦皇岛尼特智能科技有限公司 A kind of positioning release system
CN212176889U (en) * 2020-04-02 2020-12-18 武汉凯斯玛特智能控制设备有限公司 Prevent fire door electric door closer
CN213297562U (en) * 2020-06-29 2021-05-28 深圳市中天明消防科技有限公司 Door closer positioning and releasing structure
CN212337011U (en) * 2020-09-08 2021-01-12 苏州奥莱森电器科技有限公司 Novel prevent fire door electric door closer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114408265A (en) * 2022-02-24 2022-04-29 珠海市维启自动化设备有限公司 Vacuum powder filling device and system
CN114408265B (en) * 2022-02-24 2024-01-12 珠海市维启自动化设备有限公司 Vacuum powder filling device and system

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Application publication date: 20220208

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