CN210888462U

CN210888462U - Auxiliary locking mechanism for fire-fighting fireproof door

Info

Publication number: CN210888462U
Application number: CN201921454281.2U
Authority: CN
Inventors: 田欣艳
Original assignee: Guangdong Jian'an Fire Technology Co ltd
Current assignee: Jian An Construction (Guangdong) Co.,Ltd.
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-30
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses an auxiliary locking mechanism for fire-fighting fireproof door, the sound insulation protective wall comprises a wall body, the inside two fire door framves that are provided with of wall body, sliding connection has the fire-fighting fireproof door body between two fire door framves, the locking piece groove has been seted up to one side of fire door frame inner chamber, the locking groove has all been seted up to the both sides of the fire-fighting fireproof door body, the inner chamber sliding connection in locking piece groove has the locking piece, one side of locking piece extends to the inner chamber of locking groove, the opposite side of locking piece is provided with movable telescopic machanism. The utility model provides a traditional fire prevention door close all freely close, do not have the supplementary locking mechanism who is used for fire prevention door for the low problem of security when fire prevention door closes, this a supplementary locking mechanism for fire prevention door can play the function of supplementary locking when fire prevention door closes, the effectual security that increases fire prevention door.

Description

Auxiliary locking mechanism for fire-fighting fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be an auxiliary locking mechanism for fire prevention door is prevented in fire control.

Background

Normally closed fireproof door and normally open fireproof door are divided into according to the state of opening, normally closed fireproof door generally comprises fire door leaf, door frame, door closer, sealing strip etc. biparting or multileaf normally closed fireproof door still are equipped with the sequencer, normally closed fireproof door does not need the electric specialty to provide automatic control design usually, but also some special cases are like, normally closed fireproof door on the evacuation passageway, should be by electric specialty cooperation design when some large-scale construction side has managerial requirements such as theftproof, the reduction potential safety hazard as far as comprehensive, and to normally open fireproof door, it is except having all accessories of normally closed fireproof door, still must increase fireproof door release switch, and must provide the automatic control design by the electric specialty.

Fire door when the conflagration breaing out, fire door can be closed in fire door, and traditional fire door is prevented to fire door and is closed all freely and close, does not have the supplementary locking mechanism who is used for fire door for the fire door security is low when closing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary locking mechanism for fire-fighting and fire-proof door has the high advantage of security, has solved that traditional fire-fighting and fire-proof door is closed and all is freely closed, does not have the auxiliary locking mechanism who is used for fire-fighting and fire-proof door for the low problem of security when fire-fighting and fire-proof door closes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an auxiliary locking mechanism for fire-fighting fireproof door, includes the wall body, the inside two fire-fighting portal that is provided with of wall body, sliding connection has the fire-fighting fireproof door body between two fire-fighting portal, the locking piece groove has been seted up to one side of fire-fighting portal inner chamber, the locked groove has all been seted up to the both sides of the fire-fighting fireproof door body, the inner chamber sliding connection in locking piece groove has the locking piece, one side of locking piece extends to the inner chamber of locked groove, the opposite side of locking piece is provided with movable telescopic machanism, one side of activity telescopic machanism is provided with drive mechanism, one side of drive mechanism is provided.

Preferably, activity telescopic machanism is including being fixed in the movable rod of jam block one side, the surface cover of movable rod is equipped with the spring, the one end and the jam block fixed connection of spring, the other end of spring and the inner wall fixed connection in jam block groove, cell body one has been seted up to one side of jam block inslot chamber, the inner chamber sliding connection of cell body one has the movable block, the movable rod keep away from the one end of jam block extend to the inner chamber of cell body one and with movable block fixed connection.

Preferably, drive mechanism is including offering the cell body two in one side of cell body, the front side of two inner chambers of cell body runs through and is provided with the damping pivot, the rear side of damping pivot extends to the inner chamber and the fixedly connected with cam of cell body two, one side of cam extends to the inner chamber of cell body one and contacts with the movable block.

Preferably, operating device is including offering the cell body three in the fire door frame front side, the front side of damping pivot extends to the inner chamber of cell body three and fixedly connected with rotates the handle.

Preferably, a detachable transparent protective cover is arranged on the front side of the three inner cavities of the tank body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a when the fire prevention door body of fire control closes, activity telescopic machanism is in the state of atress, move to the lock piece groove when aligning when the lock groove, the restoring force of activity telescopic machanism drives the inner chamber that the lock piece got into the lock groove, can reach the purpose to the supplementary locking of the fire prevention door body of fire control, and then reach the high purpose of security, it all freely closes to have solved that traditional fire prevention door of fire control is closed, do not have the supplementary locking mechanism who is used for fire prevention door of fire control, make the low problem of security when fire prevention door closes, this an supplementary locking mechanism for fire prevention door of fire control, can play the function of supplementary locking when fire prevention door of fire control is closed, the effectual security.

2. The utility model discloses a setting of activity telescopic machanism, when the fire control fire prevention door body downstream was closed, the locking piece was located the inner chamber in locking piece groove for the spring is in the state of compression, and when the locking groove held at ordinary times with the locking piece groove, the restoring force of spring drove the inner chamber that the locking piece got into the locking groove, can reach the mesh to the supplementary locking of fire control fire prevention door body.

3. The utility model discloses a drive mechanism and operating device's cooperation is used, when needs unblock, the user rotates the rotation handle, it drives the damping pivot rotation to rotate the handle, the damping pivot drives the cam and rotates, make the cam drive the movable block motion, the in-process of movable block motion drives movable rod and locking piece motion and compression spring, make the locking piece break away from the inner chamber of locked groove, can reach the purpose to fire control fire door body unblock, and then reach the purpose that can open the fire control fire door body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top sectional view of a partial structure of the present invention;

fig. 3 is a schematic perspective view of the connecting structure of the cam and the movable block of the present invention.

In the figure: 1. a wall body; 2. a fire door frame; 21. a lock block slot; 22. a locking block; 23. a movable telescoping mechanism; 231. a movable rod; 232. a spring; 233. a first tank body; 234. a movable block; 24. a transmission mechanism; 241. a second tank body; 242. a damping rotating shaft; 243. a cam; 25. an operating mechanism; 251. a third tank body; 252. rotating the handle; 26. a transparent protective cover; 3. a fire-fighting fire-proof door body; 31. and (4) locking the groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an auxiliary locking mechanism for a fire-fighting fireproof door comprises a wall body 1, two fire-fighting portal frames 2 are arranged inside the wall body 1, a fire-fighting fireproof door body 3 is connected between the two fire-fighting portal frames 2 in a sliding manner, a locking block groove 21 is formed in one side of an inner cavity of each fire-fighting portal frame 2, locking grooves 31 are formed in two sides of each fire-fighting fireproof door body 3, a locking block 22 is connected to an inner cavity of each locking block groove 21 in a sliding manner, one side of each locking block 22 extends to the inner cavity of each locking groove 31, a movable telescopic mechanism 23 is arranged on the other side of each locking block 22 and comprises a movable rod 231 fixed on one side of each locking block 22, a spring 232 is sleeved on the surface of each movable rod 231, one end of each spring 232 is fixedly connected with each locking block 22, the other end of each spring 232 is fixedly connected with the inner wall of each locking block groove 21, a groove body I233 is formed in one side of the inner cavity of each groove body I233 in a sliding manner, through the arrangement of the movable telescopic mechanism 23, when the fire-fighting door body 3 moves downwards and is closed, the locking block 22 is positioned in the inner cavity of the locking block groove 21, so that the spring 232 is in a compressed state, when the locking groove 31 and the locking block groove 21 are kept flat, the restoring force of the spring 232 drives the locking block 22 to enter the inner cavity of the locking groove 31, and the purpose of auxiliary locking of the fire-fighting door body 3 can be achieved, one side of the movable telescopic mechanism 23 is provided with the transmission mechanism 24, the transmission mechanism 24 comprises a groove body two 241 arranged on one side of the groove body one 233, the front side of the inner cavity of the groove body two 241 is provided with the damping rotating shaft 242 in a penetrating manner, the rear side of the damping rotating shaft 242 extends to the inner cavity of the groove body two and is fixedly connected with the cam 243, one side of the cam 243 extends to the inner cavity of the groove body one 233 and is in contact with the movable, the front side of damping pivot 242 extends to the inner chamber of three 251 of cell body and fixedly connected with rotates handle 252, use through the cooperation of drive mechanism 24 and operating device 25, when needs unblock, the user rotates and rotates handle 252, it drives damping pivot 242 to rotate handle 252, damping pivot 242 drives cam 243 and rotates, make cam 243 drive movable block 234 motion, the in-process of movable block 234 motion drives movable rod 231 and locking piece 22 motion and pressure spring 232, make locking piece 22 break away from the inner chamber of locked groove 31, can reach the purpose to fire prevention fire door body 3 unblock, and then reach the mesh that can open fire prevention fire door body 3, the front side of the inner chamber of three 251 of cell body is provided with detachable transparent protective cover 26.

In summary, the following steps: this an auxiliary locking mechanism for fire-fighting fireproof door, when closing through the fire-fighting fireproof door body 3, activity telescopic machanism 23 is in the state of atress, when locked groove 31 moves to the latch segment groove 21 when aliging, the restoring force of activity telescopic machanism 23 drives the inner chamber that latch segment 22 got into the locked groove 31, can reach the purpose to the 3 auxiliary locking of fire-fighting fireproof door body, and then reach the high purpose of security, it all freely closes to have solved traditional fire-fighting fireproof door and close, do not have an auxiliary locking mechanism for fire-fighting fireproof door, make the low problem of security when fire-fighting fireproof door closes.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an supplementary locking mechanism for fire prevention door that disappears, includes wall body (1), its characterized in that: wall body (1) inside is provided with two fire control portal (2), and sliding connection has the fire control fire prevention door body (3) between two fire control portal (2), locking piece groove (21) have been seted up to one side of fire control portal (2) inner chamber, locked groove (31) have all been seted up to the both sides of the fire control fire prevention door body (3), the inner chamber sliding connection of locking piece groove (21) has locking piece (22), one side of locking piece (22) extends to the inner chamber of locked groove (31), the opposite side of locking piece (22) is provided with movable telescopic machanism (23), one side of movable telescopic machanism (23) is provided with drive mechanism (24), one side of drive mechanism (24) is provided with operating device (25).

2. A secondary locking mechanism for a fire rated door as recited in claim 1, further comprising: activity telescopic machanism (23) is including being fixed in movable rod (231) of locking piece (22) one side, the surface cover of movable rod (231) is equipped with spring (232), the one end and the locking piece (22) fixed connection of spring (232), the inner wall fixed connection of the other end and the locking piece groove (21) of spring (232), cell body (233) have been seted up to one side of locking piece groove (21) inner chamber, the inner chamber sliding connection of cell body (233) has movable block (234), the one end that the locking piece (22) was kept away from in movable rod (231) extends to the inner chamber of cell body (233) and with movable block (234) fixed connection.

3. A secondary locking mechanism for a fire rated door as claimed in claim 2, wherein: drive mechanism (24) are including offering two (241) of cell body in cell body one (233) one side, the front side of two (241) inner chambers of cell body runs through and is provided with damping pivot (242), the rear side of damping pivot (242) extends to the inner chamber and the fixedly connected with cam (243) of two (241) of cell body, one side of cam (243) extends to the inner chamber of cell body one (233) and contacts with movable block (234).

4. A secondary locking mechanism for a fire rated door as claimed in claim 3, wherein: the operating mechanism (25) comprises a third groove body (251) arranged on the front side of the fire-fighting gantry (2), and the front side of the damping rotating shaft (242) extends to an inner cavity of the third groove body (251) and is fixedly connected with a rotating handle (252).

5. An auxiliary locking mechanism for a fire rated door as claimed in claim 4, wherein: a detachable transparent protective cover (26) is arranged on the front side of the inner cavity of the third groove body (251).