CN206707566U - Fire resisting shutter - Google Patents

Abstract

The utility model provides a kind of fire resisting shutter,The side of volume bottom portion two is respectively equipped with the door track of internal tool accommodation space,And bend two limiting plates for being extended with and stretching in accommodation space respectively in two door track relative inner walls,And two between limiting plate formed with passage,Fire resisting shutter is wound with the spool set by rolling up inside case,And fire resisting shutter dual side-edge has the end for being each passed through in passage and stretching in accommodation space to be compressed by access portal,And each end is located at reflexed in accommodation space and has confession to be fastened in the overlapping portion at access portal,And the location division for fixing overlapping is provided with overlapping portion,The counter weight base for coordinating door track lifting is provided with fire resisting shutter bottom,When fire alarm generation and fire resisting shutter are in closing,Its overlapping portion can avoid fire resisting shutter from departing from out of two door tracks,And for sealing the space supported at access portal,So as to it is in airtight conditions in door track,Thermal current can be prevented to be altered from fire resisting shutter side to another side,To check fire spreading.

Description

Fire resisting shutter

Technical field

A kind of fire resisting shutter is the utility model is related to, espespecially fire resisting shutter dual side-edge has the end respectively penetrated in door track Portion, and two ends go out overlapping portion in reflexed in door track, you can prevent fire resisting shutter from detaching door track using overlapping portion, and make door Rail is in airtight conditions, to prevent the sprawling of the intensity of a fire.

Background technology

Press, high buildings and large mansions stand in great numbers in social metropolitan area now, no matter house or office space, public arena etc., Large quantities of art work can be used to do the design of indoor environment, the magnificent mansion that indoor environment is fitted up, but large quantities of decorations Material has high combustibility, and when fire occurs, art work is also easy to produce violent dense smoke, blocks escape route, and prolong Missed the time of escape and rescue, and found in fire statistics data, in scene of fire caused by injures and deaths, be mostly because Caused by sucking excessive dense smoke, it is directly relatively low on the contrary by baked wheaten cake casualties, ratio.

Therefore, in current architectural design, planning, it is necessary to security when fire occurs is contemplated, to prevent dense smoke Run helter-skelter, so interior of building can install cigarette control system additional mostly, caused dense smoke is separated when fire is occurred, and is showed It is mainly with hiding the equipment such as cigarette fire resisting shutter to have cigarette control system, and the benefit of the screening cigarette fire resisting shutter device is nothing more than being in not making Used time, its roller shutter can be furled in the volume case being installed at ceiling using spool, when fire occurs, then coordinated from dynamic Examining system puts down fire resisting shutter in good time, to obstruct the sprawling of the intensity of a fire, effectively ensures personal security and evacuation route, and then reduce Infringement that fire is brought, damage.

But after fire resisting shutter is put down, often have between the dual side-edge of its fire resisting shutter and two embedded side door rails not small Space, its space will be influenceed every cigarette effect, and produces substantial amounts of thermal current inside conflagration area because of combustion phenomena, so Gas pressure inside conflagration area be more than the region for being not affected by fire spreading so that the side surface of fire resisting shutter two because by Pressure it is different, and produce situations such as rocking, tearing, if caused situations such as rocking, tearing is excessively violent, can cause to prevent fires The dual side-edge of roller shutter departs from out of door track, in turn results in and gap is produced between fire resisting shutter and door track, so that dense smoke can be via around here At gap channelling to roller shutter opposite side, i.e., it can threaten personnel's property, the safety on life.

Therefore how to try solving above-mentioned existing missing and inconvenience, the related dealer institute for being as engaged in the industry is urgently Where improved direction to be studied.

Utility model content

Therefore utility model designer in view of it is above-mentioned the problem of with missing, be to collect related data, assess via multi-party and Consider, and to engage in many years of experience of the industry accumulation, via constantly studying and changing, the beginning designs fire resisting shutter.

To achieve the above object, the technical solution adopted in the utility model is：

A kind of fire resisting shutter, it is rolled up and is respectively equipped with door track at the side of bottom portion two, and has been internally formed accommodation space in door track, And two door track relative inner wall be bent with two limiting plates respectively, and be provided between two limiting plates formed with passage inside volume case Spool, and fire resisting shutter is wound with spool, and fire resisting shutter dual side-edge is empty with being each passed through in passage and stretching to storage The interior end to be compressed by access portal, it is provided with fire resisting shutter bottom between two door tracks and for coordinating door track lifting position The counter weight base of shifting, it is characterised in that：

Each end of the fire resisting shutter goes out for being fastened at access portal towards extension one in accommodation space apart from rear reflexed Overlapping portion, and the location division for fixing overlapping is provided with overlapping portion, and fire resisting shutter invagination is formed with kink.

Wherein：Two limiting plates of the door track are extended in accommodation space, and the storage of the passage of two limiting plates towards door track is empty Between it is internal tapered.

Wherein：Location division on the overlapping portion is combined into fire resisting shutter overlapping using thread in a manner of sewing One.

Major advantage of the present utility model is：When fire alarm generation and when fire resisting shutter is in closed mode, its fire resisting shutter It can prevent fire resisting shutter from detaching the situation of two door tracks by overlapping portion, and can also be opened by overlapping portion to seal to passage Space at mouthful, so that door track is in airtight conditions, you can thermal current is prevented after fire resisting shutter one side is entered in door track, then Alter to fire resisting shutter another side, to reach the purpose for checking fire spreading.

Another advantage of the present utility model is：Two overlapping portions of the fire resisting shutter be by dual side-edge end reflexed and Into it is not required to set up additional member to be fastened at the access portal of two limiting plates of door track, you can save additional member die sinking Required production cost, and assembly cost additional member being assembled on the end of dual side-edge.

Brief description of the drawings

Fig. 1 is stereo appearance figure of the present utility model.

Fig. 2 is the local stereo appearance figure of the utility model.

Fig. 3 is the enlarged drawing of the utility model Fig. 2 A parts.

Fig. 4 is use state figure of the present utility model.

Description of reference numerals：1- volumes of case；2- door tracks；20- accommodation spaces；21- limiting plates；210- passages；3- spools；4- prevents Fiery roller shutter；41- ends；42- overlapping portions；421- location divisions；4211- threads；43- kinks；5- counter weight bases.

Embodiment

To reach above-mentioned purpose and effect, technological means and its construction used by the utility model, hereby draw with regard to this reality It is as follows with new its feature of preferred embodiment elaborate and function, understood completely with sharp.

Refer to shown in Fig. 1, Fig. 2, Fig. 3, be stereo appearance figure of the present utility model, local stereo appearance figure and Fig. 2 A parts enlarged drawing, it can be clearly seen from the figure that, to be respectively equipped with door track 2 at the side of 1 bottom of volume case two of the present utility model, And accommodation space 20 has been internally formed in door track 2, and the relative inner wall of two door track 2 bends to be extended with respectively and stretches to storage sky Between two limiting plates 21 in 20, and formed with towards the tapered passage 210 in the inside of accommodation space 20 between two limiting plates 21, in volume case 1 Inside is provided with spool 3, and fire resisting shutter 4 is wound with spool 3, and the dual side-edge of fire resisting shutter 4 is with being each passed through passage 210 It is interior and stretch to the end 41 compressed to be open by passage 210 in accommodation space 20, and be provided with and be located in the bottom of fire resisting shutter 4 Between two door tracks 2 and for coordinating door track 2 to lift the counter weight base 5 of displacement.

Each end 41 of above-mentioned fire resisting shutter 4 is logical for being fastened in go out towards extension one in accommodation space 20 apart from rear reflexed The overlapping portion 42 of the opening of road 210, and the location division for fixing overlapping using thread 4211 is provided with overlapping portion 42 421, and the invagination of fire resisting shutter 4 is formed with kink 43.

And the preferred embodiment of location division 431 on the overlapping portion 43 of above-mentioned fire resisting shutter 4 is with car using thread 4311 Seam mode fixes the overlapping of fire resisting shutter 4, but when practical application, and chemical adhesive, thermal welding or other etc. can also be used Combination is imitated to implement, therefore, such as with the simple modification carried out by the utility model specification and schema content and equivalence Qualitative change, all should similarly it be contained in the scope of the claims of the present utility model, Chen Ming is given in conjunction.

Refer to again shown in Fig. 4, be use state figure of the present utility model, it can be clearly seen from the figure that, when fire alarm occurs When, the spool 3 will carry out counter rotational movement to the retracting direction of fire resisting shutter 4, and its fire resisting shutter 4 just coordinates lower section to set Counter weight base 5 come make its along two door tracks 2 drop to ground in one positioning, with complete close fire resisting shutter 4 action, Prevent from, because thermal current caused by fire alarm is altered to another side by the wherein one side of fire resisting shutter 4, reaching and checking fire spreading Effect, however, when the song arc expansion of cord face or drop-down are caused by the compressing of thermal current in the wherein side surface of fire resisting shutter 4 During situation, its fire resisting shutter 4 can be fastened in the passage of two limiting plates 21 of door track 2 respectively by the overlapping portion 42 of dual side-edge 210 openings, to prevent the end 41 of the dual side-edge of fire resisting shutter 4 from detaching the situation of two door tracks 2, and rely on overlapping portion 42 To press on the opening of passage 210, the space to the opening of passage 210 can be also sealed, so as to airtight state is formed in door track 2, Thermal current can be prevented after the wherein one side of fire resisting shutter 4 is entered in the accommodation space 20 of door track 2, then channelling is to fireproof rolling The another side of curtain 4, further to reach the effect for checking fire spreading.

Furthermore the utility model is the reflexed of end 41 using the dual side-edge of fire resisting shutter 4, to shape overlapping portion 42, its Overlapping portion 42 forms itself to be extended by fire resisting shutter 4, is fastened in passage 210 to reach without setting up additional member and opens Effect at mouthful, you can save the production cost needed for additional member die sinking, and additional member is assembled in the end of dual side-edge Assembly cost in portion 41.

Therefore the utility model is to be respectively equipped with door track 2 mainly for the side of 1 bottom of volume case two, and rolls up the inside of case 1 and be provided with spool 3, and fire resisting shutter 4 is wound with spool 3, and the dual side-edge of fire resisting shutter 4 be with the end 41 respectively penetrated in door track 2, And two end 41 in reflexed in door track 2 go out overlapping portion 42, you can prevent fire resisting shutter 4 from detaching door track 2 using overlapping portion 42, And make door track 2 be in airtight conditions, to reach the effect for preventing fire spreading, therefore it may achieve the structure of foregoing advantages, device such as It should all be covered by the utility model, such a simple modification and equivalent structure change, all should be similarly contained in of the present utility model In protection domain, Chen Ming is given in conjunction.

Claims (3)

1. a kind of fire resisting shutter, it is rolled up and is respectively equipped with door track at the side of bottom portion two, and has been internally formed accommodation space in door track, and Two door track relative inner walls are bent with two limiting plates respectively, and are provided with volume inside volume case formed with passage between two limiting plates Axle, and fire resisting shutter is wound with spool, and fire resisting shutter dual side-edge has and is each passed through in passage and stretches to accommodation space The interior end to be compressed by access portal, it is provided with fire resisting shutter bottom between two door tracks and for coordinating door track lifting displacement Counter weight base, it is characterised in that：

Each end of the fire resisting shutter goes out overlapping at access portal for being fastened in towards extension one in accommodation space apart from rear reflexed Portion, and the location division for fixing overlapping is provided with overlapping portion, and fire resisting shutter invagination is formed with kink.

2. fire resisting shutter according to claim 1, it is characterised in that：Two limiting plates of the door track extend to accommodation space It is interior, and the accommodation space inside of the passage of two limiting plates towards door track is tapered.

3. fire resisting shutter according to claim 1, it is characterised in that：Location division on the overlapping portion is using thread with car The mode of seam makes fire resisting shutter overlapping be combined into one.