CN109750912B - Fireproof door lock capable of being automatically unlocked in case of fire - Google Patents
Fireproof door lock capable of being automatically unlocked in case of fire Download PDFInfo
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- CN109750912B CN109750912B CN201910019752.5A CN201910019752A CN109750912B CN 109750912 B CN109750912 B CN 109750912B CN 201910019752 A CN201910019752 A CN 201910019752A CN 109750912 B CN109750912 B CN 109750912B
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Abstract
The invention provides a fireproof door lock capable of being automatically unlocked in case of fire, which comprises a locking device, a door closer, a door frame, a fireproof door handle, a heated water pipe, a steam pipe, a compression chamber, a piston, a stopcock cap, a stopcock rod, a piston rod, a locking rod, a clamping hole, a spring, a locking groove, a heated groove and an unlocking shifting piece, wherein the fireproof door handle is fixedly connected in the middle of the left side of the fireproof door, the door closer is fixedly connected at the upper right of the fireproof door, the locking device is fixedly connected with the door frame at the upper left of the fireproof door, the door frame is movably connected with the right side of the fireproof door, and the door frame is fixedly connected with a wall body.
Description
Technical Field
The invention relates to a door lock, in particular to a fireproof door lock capable of being automatically unlocked in case of fire.
Background
The fireproof door lock is a lock capable of preventing fire, is mainly used for a fireproof door, can effectively control people flow, prevent people from leaving without permission and prevent theft, is generally suitable for places with dense personnel, such as places of malls, supermarkets, buildings, office buildings and the like, is often provided with a fireproof door in a fire passage or a staircase passage in some public places, is usually placed in a locking state in some places for preventing theft, and needs to be sequentially unlocked by personnel when a fire disaster occurs, so that the optimal time for escaping is easily delayed.
Disclosure of Invention
In order to solve the problems, the invention provides a fireproof door lock capable of being automatically unlocked in case of fire, so as to solve the problem that the existing fireproof door lock needs to be manually unlocked in case of fire.
The invention relates to a purpose and an effect of a fireproof door lock capable of being automatically unlocked in case of fire, which are achieved by the following specific technical means:
a fireproof door lock capable of being automatically unlocked in case of fire comprises a locking device, a door closer, a door frame, a fireproof door handle, a first heated water pipe, a first steam pipe, a first compression chamber, a piston, a first piston cap, a first piston rod, a second steam pipe, a second heated water pipe, a piston, a second compression chamber, a locking rod, a clamping hole, a spring, a locking groove, a first heated groove, a second heated groove and an unlocking shifting piece, wherein the fireproof door handle is fixedly connected to the middle of the left side of the fireproof door, the door closer is fixedly connected to the upper right side of the fireproof door, the locking device is fixedly connected to the upper left door frame of the fireproof door, the right side of the fireproof door is movably connected to the door frame, the door frame is fixedly connected to a wall body, the left side of the locking device is provided with the second heated groove, the first heated water pipe is fixedly connected to the top end of the first heated water pipe, the first, the piston is arranged on the cylinder and inside of the compression chamber I, a piston rod is arranged on the right side of the compression chamber I, a piston cap is fixedly connected to the left side of the piston rod, a spring is sleeved between the piston cap and the piston rod, a lock rod is arranged on the right side of the piston rod, a clamping hole is formed in the left side of the lock rod, a piston rod right side fixedly connected piston rod is complained, the left side of the top end of the piston rod is parallel to the lock rod and fixedly connected with the left side of the lock rod, a piston rod bottom fixedly connected piston is fixedly connected with the compression chamber II, two bottom fixedly connected steam pipes of the compression chamber II are fixedly connected with the steam pipe I, one end of the left wall of the heat receiving groove I is fixedly connected with the compression chamber II, the other end of the left wall of the heat receiving groove I extends to the upper fixedly connected heat receiving pipe II.
Furthermore, a first heated water pipe is fixedly connected in the second heated groove, the first heated water pipe is spiral and communicated with the bottom of the first heated water pipe, and the first heated water pipe, the first steam pipe and the first compression chamber form a closed space.
Further, the movable bolt rod is in a T shape.
Further, the piston rod and the second compression chamber are equal in length.
Furthermore, the heated water pipe II is spiral and is fixedly connected with the inner wall of the heated groove I on the right side, and the heated water pipe II, the steam pipe II and the compression chamber form a closed space.
Furthermore, the bottom of the lock groove is provided with an unlocking shifting piece which is movably connected with the lock groove.
Has the advantages that:
according to the invention, due to the spiral shape of the right-side heated water pipe, when a fire disaster occurs, steam generated by rapid heating of high-temperature airflow at the top enters the compression chamber through the steam pipe, the piston in the compression chamber is pushed upwards to the top to drive the lock rod to be pushed upwards to the top, meanwhile, the left-side heated water pipe also generates steam to push the piston in the compression chamber to push the plunger rod to the right and insert the plunger rod into the clamping hole, the lock rod is fixed to prevent the plunger rod from falling downwards, at the moment, the locking device is completely unlocked, the fireproof door can be freely opened for people to escape, after the fire is extinguished, the heated water pipe and the steam pipe are cooled, the air pressure is reduced, the spring extrudes the plunger rod to eject the clamping hole, and the lock rod is lowered.
2, the unlocking shifting sheet arranged in the lock groove can be used for shifting the unlocking shifting sheet in the lock groove at night and forcibly unlocking the locking device through the shifting sheet in the non-fire emergency, so that emergency evacuation personnel can escape conveniently.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a lock structure view of the lock device of the present invention.
Fig. 3 is an unlocking structure view of the locking device of the present invention.
Fig. 4 is a structure diagram of an unlocking pick of the invention.
In FIGS. 1-4: 1-locking device, 2-door closer, 3-door frame, 4-fireproof door, 5-fireproof door handle, 11-heated water pipe I, 12-steam pipe I, 13-compression chamber I, 14-piston I, 15-piston cap, 16-piston rod, 17-piston rod, 18-steam pipe II, 19-heated water pipe II, 20-piston, 21-compression chamber II, 22-lock rod, 23-clamping hole, 24-spring, 25-locking groove, 26-heated groove I, 27-heated groove II and 28-unlocking shifting piece.
Detailed Description
Referring to fig. 1-4, a fire door lock capable of automatically unlocking during a fire includes a locking device 1, a door closer 2, a door frame 3, a fire door 4, a fire door handle 5, a heated water pipe 11, a steam pipe 12, a compression chamber 13, a piston 14, a cock cap 15, a cock rod 16, a piston rod 17, a steam pipe 18, a heated water pipe 19, a piston 20, a compression chamber 21, a lock rod 22, a locking hole 23, a spring 24, a lock groove 25, a heated groove 26, a heated groove 27, an unlocking paddle 28, a fire door handle 5 fixedly connected to the middle of the left side of the fire door 4, a door closer 2 fixedly connected to the upper right of the fire door 4, a locking device 1 fixedly connected to the upper left side of the fire door, a door frame 3 movably connected to the right side of the fire door 4, a wall fixedly connected to the door frame 3, a heated groove 27 provided on the left side of the locking device 1, and a heated water pipe 11 fixedly connected, the top end of a heated water pipe I11 is fixedly connected with a steam pipe I12, the left side of the steam pipe I12 is fixedly connected with the heated water pipe I11, the right side of the steam pipe I12 is fixedly connected with a compression chamber I13, the compression chamber I13 is a cylinder and is internally provided with a piston I14, the right side of the compression chamber I13 is provided with a piston rod 16, the left side of the piston rod 16 is fixedly connected with a piston cap 15, a spring 24 is sleeved between the piston cap 15 and the piston rod 16, the right side of the piston rod 16 is provided with a lock rod 22, the left side of the lock rod 22 is provided with a clamping hole 23, the right side of the lock rod 22 is fixedly connected with a piston rod 17, the left side of the top end of the piston rod 17 is fixedly connected with the lock rod 22 and is parallel to the lock rod 22, the bottom end of the piston rod 17 is fixedly connected with a piston 20, the piston 20 is movably connected with a compression, and the other end extends to the upper part and is fixedly connected with a second heated water pipe 19, and the second heated water pipe 19 is fixedly connected with the right side wall of the first heated groove 26.
Wherein, the interior fixed connection of the second 27 of heated tank is heated water pipe 11, and the water pipe 11 that is heated is spiral and bottom intercommunication, and the water pipe 11 that is heated forms the enclosure space with steam pipe 12 and compression chamber 13, and the tank that is heated can concentrate the heat, and the helical shape of the water pipe that is heated can increase the heated area, can be heated rapidly when the conflagration and make inside moisture evaporate into vapor fast.
The T-shaped cock rod 16 is fixedly connected with a cock cap 15 on the left side of the cock rod 16, a spring 24 is sleeved between the cock cap 15 and the cock rod 16, the cock cap 15 is combined with the spring 24, the cock rod 16 is extruded and inserted into the clamping hole 23 in case of fire, and the cock rod 16 is ejected out of the clamping hole 23 through the spring 24 after the fire is extinguished, so that the lock rod 22 falls down to lock the fireproof door.
The right side of the lock rod 22 is fixedly connected with the piston rod 17, and the length of the piston rod 17 is equal to that of the second compression chamber 21, so that the piston rod 17 drives the lock rod 22 to ascend and descend for a sufficient distance to ensure the locking and unlocking of the lock rod 22.
The heated water pipe II 19 is spiral and the right side of the heated water pipe II is fixedly connected with the inner wall of the heated groove I26, the heated water pipe II 19, the steam pipe II 18 and the compression chamber II 21 form a closed space, and when a fire breaks out, the temperature of the heated water pipe II 19 rises to generate steam to push the piston 20 in the compression chamber II 21 to rise, so that the lock rod 22 is driven to be unlocked.
The bottom of the lock groove 25 is provided with an unlocking shifting piece 28, the unlocking shifting piece 28 is movably connected with the lock groove 25, and in the emergency of non-fire, the unlocking shifting piece 28 is shifted upwards to unlock the fireproof door for emergency evacuation of people.
When the fire door lock is used, firstly, the fire door is installed and debugged, when a fire disaster happens, high-temperature airflow generated by the fire disaster is gathered on the ceiling and flows along the ceiling, a large amount of heat is gathered at the position of the fire door due to the blocking of the fire door, the high-temperature airflow is gathered into the first heated groove 26 and the second heated groove 27, the second heated water pipe 19 in the first heated groove 26 generates steam after being heated due to the spiral shape of the second heated water pipe, the steam pipe 18 enters the second compression chamber 21, the air pressure in the second compression chamber 21 is increased, the piston 20 is extruded upwards, the piston 20 drives the piston rod 17 to drive the lock rod 22 to integrally push upwards to the top, so that the fire door lock is unlocked, meanwhile, the first heated water pipe 11 on the left side is also heated to generate steam, the steam pipe 12 enters the first compression chamber 13 to push the first piston 14 to push the piston cap 15 to the right, and then drives the piston rod, reach the effect of fixed locking lever, when the conflagration is eliminated, the inside temperature of water pipe and steam pipe reduces, steam condensate water, intraductal and compression chamber atmospheric pressure descends, the cock pole 16 is popped out to left owing to the elasticity of spring 24 and is left the screens hole 23, locking lever 22 falls to locked groove 25 owing to gravity, lock again and prevent fire door, when the emergency of non-conflagration, through stirring the unblock plectrum 28 in the locked groove 25 up, with the ejecting locked groove 25 of locking lever 22, fire door is prevented in the manual unlocking equally, supply personnel's urgent sparse.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (6)
1. A fireproof door lock capable of being automatically unlocked in case of fire comprises a locking device (1), a door closer (2), a door frame (3), a fireproof door (4), a fireproof door handle (5), a first heated water pipe (11), a first steam pipe (12), a first compression chamber (13), a first piston (14), a cock cap (15), a cock rod (16), a piston rod (17), a second steam pipe (18), a second heated water pipe (19), a piston (20), a second compression chamber (21), a lock rod (22), a clamping hole (23), a spring (24), a lock groove (25), a first heated groove (26), a second heated groove (27) and an unlocking shifting piece (28), and is characterized in that the fireproof door handle (5) is fixedly connected to the middle of the left side of the fireproof door (4), the door closer (2) is fixedly connected to the upper right of the fireproof door frame, and the locking device (1) is fixedly connected to the upper left of the fireproof, the right side of the fireproof door (4) is movably connected with a door frame (3), the door frame (3) is fixedly connected with a wall body, the left side of the locking device (1) is provided with a heated groove II (27), the heated groove II (27) is internally and fixedly connected with a heated water pipe I (11), the top end of the heated water pipe I (11) is fixedly connected with a steam pipe I (12), the left side of the steam pipe I (12) is fixedly connected with the heated water pipe I (11) and the right side of the steam pipe I (13) is fixedly connected with a compression chamber I (13), the compression chamber I (13) is a cylinder and is internally provided with a piston I (14), the right side of the compression chamber I (13) is provided with a piston rod (16), the left side of the piston rod (16) is fixedly connected with a piston cap (15), a spring (24) is sleeved between the piston cap (15) and the piston rod (16), the right side of the piston rod (16) is provided with a lock, locking lever (22) right side fixed connection piston rod (17), piston rod (17) top left side and locking lever (22) fixed connection just are parallel with locking lever (22), piston rod (17) bottom fixed connection piston (20), piston (20) swing joint compression chamber two (21), two (21) bottom fixed connection steam pipe two (18) of compression chamber, two (18) fixedly connected with of steam pipe receive hot groove one (26), the left wall one end fixedly connected with compression chamber two (21) of receiving hot groove one (26), and the other end extends to top fixed connection and is heated water pipe two (19), it receives hot groove one (26) right side wall to be heated water pipe two (19) fixed connection.
2. A fire door lock automatically unlocked in case of fire according to claim 1, wherein: the heating device is characterized in that a first heating water pipe (11) is fixedly connected in the second heating groove (27), the first heating water pipe (11) is spiral and is communicated with the bottom of the first heating water pipe, and the first heating water pipe (11), a first steam pipe (12) and a first compression chamber (13) form a closed space.
3. A fire door lock automatically unlocked in case of fire according to claim 1, wherein: the piston rod (16) is T-shaped.
4. A fire door lock automatically unlocked in case of fire according to claim 1, wherein: the piston rod (17) and the second compression chamber (21) are equal in length.
5. A fire door lock automatically unlocked in case of fire according to claim 1, wherein: the second heated water pipe (19) is spiral and the right side of the second heated water pipe is fixedly connected with the inner wall of the first heated groove (26), and the second heated water pipe (19), the second steam pipe (18) and the second compression chamber (21) form a closed space.
6. A fire door lock automatically unlocked in case of fire according to claim 1, wherein: the bottom of the lock groove (25) is provided with an unlocking shifting piece (28), and the unlocking shifting piece (28) is movably connected with the lock groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019752.5A CN109750912B (en) | 2019-01-09 | 2019-01-09 | Fireproof door lock capable of being automatically unlocked in case of fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019752.5A CN109750912B (en) | 2019-01-09 | 2019-01-09 | Fireproof door lock capable of being automatically unlocked in case of fire |
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| Publication Number | Publication Date |
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| CN109750912A CN109750912A (en) | 2019-05-14 |
| CN109750912B true CN109750912B (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910019752.5A Active CN109750912B (en) | 2019-01-09 | 2019-01-09 | Fireproof door lock capable of being automatically unlocked in case of fire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894363A (en) * | 2020-08-08 | 2020-11-06 | 徐进进 | Automatic fire unlocking and door opening system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809977B (en) * | 2020-06-23 | 2021-11-26 | 济南振威安全技术发展有限公司 | Intelligent anti-theft door |
| CN111980555A (en) * | 2020-09-09 | 2020-11-24 | 杭州嘉威机械配件有限公司 | Steel fireproof door for inflammable storage warehouse |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU200789B (en) * | 1986-11-14 | 1990-08-28 | Mta Koezponti Kemiai Kutato In | Process for localization of fire in burning buildings and for protection against effect of fire |
| TW201425712A (en) * | 2012-12-21 | 2014-07-01 | Cn J Technology Co Ltd | Auto fume extractor without power driving |
| BE1023254B1 (en) * | 2014-12-11 | 2017-01-11 | Lunax Bvba | Locking system for a panel |
| CN205778317U (en) * | 2016-04-19 | 2016-12-07 | 浙江齐嘉消防科技有限公司 | It is provided with the quick conductive heat-blockage type fire resistant doorsets of shirt rim and lock |
| CN108386088A (en) * | 2018-05-10 | 2018-08-10 | 湖南省金为新材料科技有限公司 | A kind of the door and window closer and door and window of automatic locking |
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- 2019-01-09 CN CN201910019752.5A patent/CN109750912B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894363A (en) * | 2020-08-08 | 2020-11-06 | 徐进进 | Automatic fire unlocking and door opening system |
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| CN109750912A (en) | 2019-05-14 |
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Denomination of invention: Fireproof door lock capable of automatically unlocking when fire occurs Effective date of registration: 20200629 Granted publication date: 20200403 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG QIJIA FIRE CONTROL AND TECHNOLOGY DEVELOPING Co.,Ltd. Registration number: Y2020330000419 |
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