CN211008270U - Evacuation door opening device for building fire fighting - Google Patents
Evacuation door opening device for building fire fighting Download PDFInfo
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- CN211008270U CN211008270U CN201921507128.1U CN201921507128U CN211008270U CN 211008270 U CN211008270 U CN 211008270U CN 201921507128 U CN201921507128 U CN 201921507128U CN 211008270 U CN211008270 U CN 211008270U
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- door frame
- door
- fire
- rope
- screw rod
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Abstract
The utility model belongs to the technical field of the fire control safety technique and specifically relates to a building fire control is with sparse door opening device, including the door frame, one side of door frame is rotated through the pivot and is connected and be equipped with sparse door, and the pivot is stretched out the one end at door frame top is equipped with the fender dish, the fender dish with be equipped with first torsional spring between the one end of door frame, the pivot outside of sparse door bottom is equipped with the locking tooth, the bottom of door frame is equipped with the installation cavity, be equipped with the removal screw rod between one side of installation cavity, the outside of removal screw rod is equipped with L shape nut seats, one side of door frame is equipped with the movable hole, the L gib portion of L shape nut seats be equipped with locking tooth assorted locking pawl, the removal screw rod stretches out the one end of door frame is equipped with the pulley, through the utility model's improvement, effectively prevents that the mistake of sparse door when launching.
Description
Technical Field
The utility model relates to a fire control safety technical field especially relates to a building fire control is with sparse door opening device.
Background
Emergency fire-fighting evacuation door is a large building such as: commercial centers, movie theaters, conference rooms, etc. all require security arrangements to be provided. In these places, once a fire disaster occurs, the danger coefficient is high due to the dense crowd, and the threat to the life and property safety of people is great. The emergency fire-fighting evacuation door is generally arranged in a safe place with few personnel and is used as an emergency fire-fighting special channel, so that the emergency fire-fighting evacuation door cannot be started or only serves as a common channel door when no fire-fighting evacuation notice appears. It is known that such fire evacuation doors must prevent the closing of the evacuation door by a person during evacuation, once the evacuation task is performed, and in particular prevent the inadvertent operation of a person without knowledge, which would increase the risk of fire rescue considerably. However, in the prior art, a general evacuation door does not have the function of preventing the evacuation door from being closed by mistake, and only can be reminded by an alarm or a special reminder is arranged. This all can increase the burden for the rescue task of fire fighter, and this kind of setting reliability is not high, still has some maloperation risks. Therefore, the utility model provides an evacuation door opening door device for building fire control solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the prior art does not have the defect of preventing misoperation, and provides an evacuation door opening device for building fire protection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design one side of door frame is rotated through the pivot and is connected and be equipped with sparse door, and the pivot stretches out the one end at door frame top is equipped with the fender dish, the fender dish with be equipped with first torsional spring between the one end of door frame, the pivot outside of sparse door bottom is equipped with a plurality of locking tooth, the inside rectangle installation cavity that is equipped with in bottom of door frame, be equipped with the removal screw rod between one side of installation cavity, the pole portion outside of removing the screw rod is equipped with L shape nut seat rather than the assorted, one side of door frame be equipped with L shape nut seat assorted activity hole, the L hook head portion of L shape nut seat be equipped with locking tooth assorted locking claw, the removal screw rod stretches out the one end of door frame is equipped with the pulley, the same one side of door frame is equipped with the wire reel, the wire winding portion of pulley be equipped with twine its with the fire prevention rope in the wire reel outside, one side of sparse door is equipped with the siren, one side of siren is equipped with the fastening groove, the one end of fire prevention rope be equipped with fastening groove assorted is played the anchor block of sire.
Preferably, the evacuation door with one side of door frame is equipped with the tool to lock subassembly of normally opening jointly, a plurality of stop tooth is the equidistance and equally divides the range.
Preferably, a second torsion spring is arranged between the pulley and one side of the door frame, and the torsion of the second torsion spring is smaller than that of the first torsion spring.
Preferably, one side of the door frame adjacent to the wire spool is provided with a placing groove for placing the fireproof rope, the top of the placing groove is provided with a pin hole, and the pin hole is provided with a stop pin matched with the pin hole.
The utility model provides a building fire control is with sparse door opening device, the beneficial effects are that through the setting of the first torsional spring of pivot department, can realize that sparse door is convenient quick when opening, guarantee that the door is opened at the very first time, through the installation cavity of bottom, the setting and the cooperation promotion front side dog motion of removal screw rod and L shape nut seat, activity hole, through the setting and the cooperation of the dog and the dog tooth of bottom pivot, the rotation of effective prevention pivot, and then prevent the retrying of sparse door, through the setting and the cooperation of pulley, fire prevention rope, wire reel and pull block, fastening groove, make after the fire prevention rope launches, be pulled by sparse door, realize making the bottom removal screw rod rotate simultaneously to the alarm of making a sound, after opening completely, the dog tooth is blocked completely to the nut seat front side, effectively prevent the door from closing once more, safety and reliability, when non-fighting with fire, the fire prevention rope hangs in the standing groove through the pull block, the removal screw rod of bottom resets through the second torsional spring, make the dog break away from the dog tooth, the evacuation door resumes normal use, the overall structure is simple and practical, and is suitable for popularization.
Drawings
Fig. 1 is a schematic structural view of an evacuation door opening device for fire fighting of a building according to the present invention;
fig. 2 is a schematic sectional structure view of an evacuation door opening device for fire fighting in a building according to the present invention.
In the figure: the door frame 1, the evacuation door 2, the baffle disc 21, the first torsion spring 22, the stopping tooth 3, the mounting cavity 4, the moving screw 5, the nut seat 6, the movable hole 7, the stopping claw 8, the fixed pulley 9, the second torsion spring 10, the wire spool 11, the fireproof rope 12, the pull block 13, the fastening groove 131, the alarm 14, the lock assembly 15, the placing groove 16, the pin hole 17 and the baffle pin 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an evacuation door opening device for fire protection of a building includes a door frame 1, one side of the door frame 1 is rotatably connected to and provided with an evacuation door 2 through a rotating shaft, one side of the evacuation door 2 is provided with a safety signboard, one end of the rotating shaft extending out of the top of the door frame 1 is provided with a baffle disc 21, a first torsion spring 22 is arranged between the baffle disc 21 and one end of the door frame 1 to realize rapid opening of the evacuation door 2, the outer side of the rotating shaft at the bottom of the evacuation door 2 is provided with a plurality of locking teeth 3, a rectangular mounting cavity 4 is arranged inside the bottom end of the door frame 1, a moving screw 5 is arranged between one sides of the mounting cavities 4, the outer side of a rod part of the moving screw 5 is provided with an L-shaped nut seat 6 matched with the rod part, the setting and matching of the moving screw 5 and the nut seat 6 push the locking teeth 8 to be clamped with the locking wheels 3, one side of the door frame 1 is provided with a movable hole 7 matched with a L-shaped nut seat 6, a L hook head part of the L-shaped nut seat 6 is provided with a locking claw 8 matched with a fastening pulley 9, one side of a fire protection rope 12, and an alarm rope 14 are arranged at one side of the door frame 1, and an alarm rope 12, and an alarm rope at one side of the fire protection rope, and an alarm rope 12, and an alarm rope 14, and an alarm rope.
The utility model discloses in, evacuation door 2 is equipped with normally the tool to lock subassembly 15 of opening with one side of door frame 1 jointly, and a plurality of locking tooth 3 is the equidistance and equally divides the range, is equipped with second torsional spring 10 between one side of pulley 9 and door frame 1, and the torsion of second torsional spring 10 is less than first torsional spring 22, realizes like this that more laborsaving when closing the door, can automatic re-setting again when not starting fire prevention rope 12.
One side that door frame 1 and wire reel 11 are adjacent is equipped with the standing groove 16 of placing fire rope 12, and the top of standing groove 16 is equipped with pinhole 17, and pinhole 17 is equipped with rather than assorted backing pin 18, does not influence usual use, and overall structure is simple and practical, is fit for promoting.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a building fire control is with sparse door opening device, includes door frame (1), one side of door frame (1) is connected through the pivot rotation and is equipped with sparse door (2), its characterized in that, the pivot stretches out the one end at door frame (1) top is equipped with fender dish (21), keep off dish (21) with be equipped with first torsional spring (22) between the one end of door frame (1), the pivot outside of sparse door (2) bottom is equipped with a plurality of stop tooth (3), the inside rectangle installation cavity (4) that is equipped with in bottom of door frame (1), be equipped with between one side of installation cavity (4) and remove screw rod (5), the pole portion outside of removing screw rod (5) be equipped with rather than assorted L shape nut seat (6), one side of door frame (1) be equipped with L shape nut seat (6) assorted activity hole (7), the L hook head portion of L shape nut seat (6) be equipped with stop tooth (3) assorted pawl (8), remove screw rod (5) stretch out the one end of fastening screw rod (1) is equipped with pulley (9), be equipped with warning rope (11) one side of warning rope (11) the warning cord (11) is equipped with fire alarm rope (12) evacuation door frame (11) one side) the warning cord (11) is equipped with fire alarm rope (11) the evacuation door frame (11) one side) is equipped with fire alarm rope (11) and the alarm rope (12) one side) is equipped with the alarm rope (11) is equipped with the fire alarm.
2. The door opening device of an evacuation door for fire fighting in building according to claim 1, characterized in that the evacuation door (2) and one side of the door frame (1) are provided with a normal opening lock assembly (15), and a plurality of the stopping teeth (3) are arranged at equal intervals and equally.
3. The door opening device for the fire escape door of a building according to claim 1, wherein a second torsion spring (10) is disposed between the pulley (9) and one side of the door frame (1), and the torsion of the second torsion spring (10) is smaller than that of the first torsion spring (22).
4. The door opening device for the fire escape door of a building according to claim 1, wherein a placing groove (16) for placing the fire-proof rope (12) is formed on one side of the door frame (1) adjacent to the wire spool (11), a pin hole (17) is formed in the top of the placing groove (16), and the pin hole (17) is provided with a stop pin (18) matched with the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921507128.1U CN211008270U (en) | 2019-09-11 | 2019-09-11 | Evacuation door opening device for building fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921507128.1U CN211008270U (en) | 2019-09-11 | 2019-09-11 | Evacuation door opening device for building fire fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008270U true CN211008270U (en) | 2020-07-14 |
Family
ID=71480284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921507128.1U Expired - Fee Related CN211008270U (en) | 2019-09-11 | 2019-09-11 | Evacuation door opening device for building fire fighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898347A (en) * | 2021-09-02 | 2022-01-07 | 安徽金日晟矿业有限责任公司 | Mine auxiliary shaft safety door locking device |
-
2019
- 2019-09-11 CN CN201921507128.1U patent/CN211008270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898347A (en) * | 2021-09-02 | 2022-01-07 | 安徽金日晟矿业有限责任公司 | Mine auxiliary shaft safety door locking device |
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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: 20200714 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |