Temperature sense automatic close-type fire damper door
Technical field
The utility model relates to a kind of fire damper door, is meant a kind of temperature sense automatic close-type fire damper door especially.
Background technology
Fire prevention/smoke evacuation gate is to be widely used in the air-conditioning and fire-fighting system in various places, it is to cooperate air-conditioning or fire prevention design with systems organization, wherein comprise a kind of fire prevention gate 1 (as shown in Figure 1), it generally is mounted in airduct 2 and passes through use on the ventilating opening 5 of panel wall 4 between 3 between two Room, and at ordinary times, described fire prevention gate 1 is to keep normally open, can be with systems organization in free flow between 3 between different chamber for air; And when between a certain chamber between 3 on-the-spot breaking out of fires medial compartment as shown in Figure 13, and its temperature is when being increased to default value greater than systems organization again, then described fire prevention gate 1 must quick closedown, flees to spread between other chamber 3 from ventilating opening 5 on the panel wall 4 along airduct 2 to stop the intensity of a fire.
Circulation of air situation in the airduct 2 can be divided into static circulation and dynamically circulation with systems organization again, the former static state circulation is the nature circulation, wind speed in its airduct 2 very little and as ventilation effect, so can not produce too big wind resistance or influence the closing motion of its blade fire prevention gate 1 blade in ventilating opening 5 place's airducts 2; And the latter's dynamic flow general rule is to utilize pressure fan cooperate to drive, and the wind speed or the wind-force that cause in the airduct 2 are stronger, also thereby to fire prevention gate 1 blade in the airduct 2 can produce wind resistance when the closing motion.Therefore, when described fire prevention gate 1 wants quick closedown to stop that the intensity of a fire is when airduct 2 spreads, no matter be static circulation and dynamically circulation, must guarantee its quick closedown automatically, otherwise cause fire spreading easily and lose the fire-proof function of described fire prevention gate.Again, according to existing market situation, the design of described fire prevention gate 1 not only must be satisfied the market demand of designs simplification, cost reduction, and need take into account the good regulation that also can meet fire-fighting safeguard relevant laws and regulations of function of use, yet existing fire prevention gate but can't or be difficult to take into account simultaneously above-mentioned multiple condition; The utility model promptly is at the shortcoming of existing fire prevention gate and in addition innovative design.
Summary of the invention
The utility model main purpose is to be to provide a kind of temperature sense automatic close-type fire damper door, described at ordinary times dead lock can clamp down on the masking piece body of folding so that it keeps normally open, and when on-the-spot the generation, described dead lock can automatic disintegration when temperature surpasses limit value, so that several pieces blades of masking piece body fall to launching to reach closed condition automatically because of gravity own, simplifying the fire damper door, to reduce cost, and hold concurrently and to promote the fire prevention efficient of fire prevention gate.
The utility model purpose again is to be to provide a kind of temperature sense automatic close-type fire damper door, when dead lock Yin Wendu surpasses and automatically during disintegration, several pieces blades of masking piece body can rely on the downward elastic-restoring force of gravity own and described elastic component and launch downwards fast with automatic closed shutter, close power downwards with the wind resistance in the antagonism airduct with what promote the masking piece body, and the gate of guaranteeing to prevent fires can be fast when urgent and the use effect of closing automatically.
The another purpose of the utility model is to be to provide a kind of temperature sense automatic close-type fire damper door, it further is provided with the suitable flange of height (width) at the ring week rim of the front and back ends of the inner passage of square frame frame, to cover the space between masking piece body and the outside framework inner face, with the screening effect of promoting the masking piece body and the fire prevention efficient that effectively promotes the fire prevention gate.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of temperature sense automatic close-type fire damper door, it is to be applied in the air-conditioning of building or the fire-fighting system as to be installed on the ventilating opening that airduct passes through panel wall to use, it is characterized in that: comprise: a square frame frame, a masking piece body, with the temperature induction type dead lock, wherein: the square frame frame, its Aspect Ratio is to cooperate the airduct design with size, it can the cross section mode be erected on the ventilating opening that the air feed pipe passes on the panel wall, and space of planes constitutes a passage for circulation of air in it and make; The masking piece body, its be blade by several pieces equivalent size be arranged in parallel in regular turn from top to bottom and adjacent two blades in the lower surface of blade be to be composed in series the vertical multiple-piece masking piece body of folding in parallel pivot joint mode with the upper surface of lower blade, several pieces blades of masking piece body can intersect folding in regular turn and fold in the upper end of the internal channel of outside framework forming opening state, or drop downwards and launch and cover passage to form closed condition; The temperature induction type dead lock, be to stride to establish and be latched in folding and fold below the masking piece body of the internal channel upper end of outside framework, hinder it drops downwards or launches to clamp down on the masking piece body, dead lock is provided with the safety plate of disintegration automatically again, when temperature surpassed the default temperature limit of described safety plate, safety plate fracture automatically decomposed.
Preferable, technique scheme can also be added following technical characterictic:
Be to utilize an end of blade to be shaped to an inner sleeve shape between adjacent two blades, and the other end is shaped to an outer sleeve shape that cooperates with inner sleeve, the mutual fit of inside and outside two sleeves constitutes the pivot that a folding folds or launches between adjacent two blades.
Described dead lock is to comprise front and back ends each support and a safety plate, and described safety plate is a lengthy motion picture body structure, its disintegration point is in the middle section of lengthy motion picture body, and its front and back ends links with the support of front and back ends respectively, and described front and back ends support is to be installed in respectively on forward and backward two exterior rim of upper surface of outside framework, the safety plate forward and backward stride establish and be latched in folding fold upper surface in outside framework the masking piece body below.
Further comprise the elastic component between the inner bottom surface of at least one group of bottom blade that is arranged on the masking piece body and outside framework, several pieces blades that make masking piece body folding in regular turn fold in the upper end of the internal channel of outside framework and when forming opening state, the described elastic-restoring force of bottom blade because of kept down by described elastic component effect.
Described elastic component is a snail type leaf spring structure, and the stiff end of described leaf spring is to be installed on inner bottom surface one base of outside framework, and its open end is upwards to stretch and be connected on the bottom blade of masking piece body.
Comprise that further one is arranged on the flange on forward and backward end ring periphery limit of the inner passage of square frame frame, described flange is the space of covering after the masking piece body is closed downwards between masking piece body and the outside framework ring periphery inner face.
Comprise that further one is arranged on the stop catch plate face on the lower rim of inner passage of square frame frame, described stop catch plate face is to cover the bottom blade of masking piece body and the gap between the outside framework inner bottom surface downwards after the masking piece body is closed.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: can rely on dead lock to clamp down on the masking piece body at ordinary times to keep passage in normally open, and when on-the-spot breaking out of fire, described dead lock can be when temperature surpasses limit value automatic disintegration and discharge the masking piece body, make the masking piece body rely on gravity own or rely on the restoring force of setting up elastic component in addition and closing passage downwards rapidly, spread and promotes the fire prevention efficient of the gate of preventing fires effectively to prevent pyrotechnics.
Description of drawings
Fig. 1 is that the utility model is applied in a user mode schematic diagram in the air-conditioning of building or the fire-fighting system;
Fig. 2 is the combination schematic perspective view of the utility model one embodiment at opening state;
Fig. 3 is the side perspective schematic diagram of Fig. 2;
Fig. 4 is Fig. 2 schematic perspective view in off position;
Fig. 5 is the side perspective schematic diagram of Fig. 4;
Fig. 6 is the combination schematic perspective view of another embodiment of the utility model at opening state;
Fig. 7 is the side perspective schematic diagram of Fig. 6;
Fig. 8 is Fig. 6 schematic perspective view in off position;
Fig. 9 is the side perspective schematic diagram of Fig. 8.
Description of reference numerals: the 1-gate of preventing fires; The 2-airduct; Between the 3-chamber; The 4-panel wall; The 5-ventilating opening; The 10-outside framework; The 11-passage; The 12-upper surface; The 13-inner bottom surface; 20-masking piece body; The 21-blade; The bottom blade of 21a-; The 22-upper end; The 23-lower end; The 30-dead lock; The 31-support; The 32-safety plate; The 33-interlude; The 40-elastic component; Stiff end in the 41-; The 42-base; The outer open end of 43-; The 50-flange; 51-keeps off upper face.
The specific embodiment
For making the utility model clear and definite more full and accurate, enumerate preferred embodiment now and cooperate following diagram, structure of the present utility model and technical characterictic thereof are described in detail as the back:
Please refer to Fig. 2, Fig. 3, Fig. 4, Fig. 5, it is respectively combination stereogram and the side perspective view of the utility model one embodiment at opening state, and combination stereogram in off position and side perspective view, fire prevention gate 1 of the present utility model mainly comprises: a square frame frame 10, one masking piece body 20, with temperature induction type dead lock 30, wherein, the Aspect Ratio of described square frame frame 10 is to cooperate airduct 2 designs with size, square frame frame 10 can the cross section mode be erected on the ventilating opening 5 that air feed pipe 2 passes on the panel wall 4 (as shown in Figure 1), and make the interior space of planes formation one of square frame frame 10 can supply the passage 11 of circulation of air.
Described masking piece body 20 be the blade 21 by several pieces equivalent size be arranged in parallel in regular turn from top to bottom and the upper and lower end 22,23 of each blade 21 each be composed in series in the pivot joint mode, just utilize the blade 21 of several pieces equivalent size to be arranged in parallel in regular turn from top to bottom and adjacent two blades 21 in the lower surface 23 of blade 21 be to be composed in series the vertical multiple-piece masking piece body 20 of folding in parallel pivot joint mode with the upper surface 22 of lower blade 21; Pivot joint mode between the corresponding upper and lower end 22,23 of adjacent again two blades 21 can be utilized an end (22/23) to bend and be shaped to an inner sleeve shape, the corresponding other end (23/22) then bends and is shaped to an outer sleeve shape that matches, make the mutual fit of inside and outside two sleeves (22,23) again and constitute a pivot (as Fig. 3, shown in Figure 5), make several pieces blades 21 of masking piece body 20 can intersect folding in regular turn and fold 12 places, interior upper surface at outside framework 10 shown in Fig. 2,3, the folding that just intersects folds in the upper end of passage 11, so that passage 11 forms opening state; Or land downwards and launch and cover passage 11 to form closed condition (as Fig. 4, shown in Figure 5).
Described temperature induction type dead lock 30 is can be with using the amplitude size that needs as masking piece body 20 to be provided with at least one group, it shown in Fig. 2,3 one group of dead lock 30 of design, it is not have and be latched in the below (as shown in Figure 3) that folding folds the masking piece body 20 (being several pieces blades 21) of upper surface 12 outside framework 10 in order to stride, and drops downwards because of gravity own with prevention masking piece body 20; And when implementing (as shown in Figure 3), temperature induction type dead lock 30 of the present utility model is before comprising, rear end each support 31 and a safety plate 32, wherein, described safety plate 32 or be called temperature inductor, can select to utilize a lengthy motion picture body structure, its disintegration point is in the middle section of lengthy motion picture body, before making it, the rear end is respectively with preceding, the support 31 of rear end links, and before described, back end support 31 be installed in respectively outside framework 10 upper surface 12 before, the back two exterior rim on, make the lengthy motion picture shape safety plate 32 can before, the back to stride establish and be latched in folding fold upper surface 12 in outside framework 10 masking piece body 20 below; The structure kenel of described again safety plate 32 does not limit, it mainly acts on is when ambient temperature not during the default disintegration temperature limit automatically of over insurance sheet 32, described safety plate 32 can keep enough structural strengths to clamp down on masking piece body 20 to cooperate front and back ends support 31, prevents that masking piece body 20 from dropping because of gravity own downwards; But when ambient temperature surpassed the default disintegration temperature limit automatically of described safety plate 32, described safety plate 32 interludes 33 local as the lengthy motion picture body will fuse automatically to form the fragile also disintegration of locating; In other words, the binding of one safety plate 32 (link) intensity respectively has the temperature limit of disintegration automatically, and general insurance sheet manufacturer is with using material, structural design or the automatically difference of disintegration temperature limit and the selective use of various different sizes of getting everything ready, automatic disintegration temperature limit is used in air-conditioning system in person's major part below 74 ℃ Celsius as another, and Celsius more than 74 ℃ person's major part be used in fire-fighting system, with fire prevention gate 1 of the present utility model, the automatic disintegration temperature limit of safety plate 32 can be set in a certain temperature between 74 ℃ to 120 ℃ Celsius, or is set between 121 ℃ to 140 ℃ Celsius a certain temperature or is set in a certain temperature between 141 ℃ to 177 ℃ Celsius (as 141 ℃ Celsius); And the utility model case when design, can be with systems organization and according to the regulation (as the fire protection equipment code) of fire-fighting safeguard relevant laws and regulations, and select the safety plate 32 of suitable disintegration temperature limit for use, as select the safety plate 32 of automatic disintegration temperature limit a certain temperature (as 141 ℃ Celsius) between 121 ℃ to 177 ℃ Celsius, then as long as site environment approaches or above 141 ℃ Celsius, safety plate 32 is automatic disintegration, and reaches the use effect of dead lock 30 former settings.
Rely on said structure, can rely on described dead lock 30 to keep passage 11 to clamp down on masking piece body 20 at ordinary times at normally open (as Fig. 2, shown in Figure 3) with safety plate 32; When on-the-spot breaking out of fire and temperature again during the automatic disintegration limit value of over insurance sheet 32, described dead lock 30 can be broken into two halves (as Fig. 4, shown in Figure 5) by the interlude 33 automatic disintegrations of safety plate 32, to discharge masking piece body 20 simultaneously, make masking piece body 20 rely on gravity effect own and rapidly downward closing passage 11 (as Fig. 4, shown in Figure 5), spread and promote the fire prevention efficient of fire prevention gate effectively to prevent pyrotechnics.
Refer again to Fig. 6, Fig. 7, Fig. 8, Fig. 9, it is respectively combination stereogram and the side perspective view of the utility model fire prevention gate 1 another embodiment at opening state, and combination stereogram in off position and side perspective view, fire prevention gate 1 of the present utility model can be further set up the elastic component 40 that a group or left-right symmetry array have elastic-restoring force between the inner bottom surface 13 of the bottom blade 21a of masking piece body 20 and outside framework 10, so that several pieces blades 21 of masking piece body 20 be except that relying on gravity own to drop downwards launching, and can rely on the downward elastic-restoring force of described elastic component 40 more in addition and increase the power of closing that masking piece body 20 launches downwards; And when implementing (as Fig. 6, Fig. 7, Fig. 8, shown in Figure 9), it is that left-right symmetry is respectively established one group of elastic component 40, and described elastic component 40 can select to utilize a snail type leaf spring structure, the interior stiff end 41 of described elastic component 40 (snail type leaf spring) is installed on the base 42 on the inner bottom surface 13 of outside framework 10, and make upwards elastic stretching and being connected on the bottom blade 20a of masking piece body 20 of its outer open end 43, several pieces blades 21 that make masking piece body 20 folding in regular turn fold 12 places, upper surface in outside framework 10 and when forming opening state, the elastic-restoring force of described bottom blade 20a because of kept down by elastic component 40 (snail type leaf spring) effect, make when the automatic disintegration of dead lock 30, several pieces blades 21 of masking piece body 20 can rely on the downward elastic-restoring force of gravity own and elastic component 40 and launch and close passage 11 fast downwards, wind resistance resistance when closing downwards to promote masking piece body 20, and guarantee that really fire prevention gate 1 can be fast when urgent and the use effect of closing automatically.
Please refer to Fig. 2~shown in Figure 5, the utility model fire prevention gate 1 can be further be provided with the suitable flange 50 of height (width) on the forward and backward end ring periphery limit of the inner passage 11 of square frame frame 10, make the ring week rim of the passage 11 after masking piece body 20 is closed form one stop catch plate effect downwards, to cover the space between masking piece body 20 and outside framework 10 inner faces, and can promote the screening effect of masking piece body 20 with respect to the inner passage 11 of outside framework 10, with the fire prevention efficient of effective lifting fire prevention gate.
Please refer to Fig. 6~shown in Figure 9 again, the utility model fire prevention gate 1 can be further on the lower rim of the inner passage 11 of square frame frame 10 and be positioned at the foreign side of flange 50, one stop catch plate face 50 is set, the height of described stop catch plate face 50 (width) is bigger than flange 50, also the height (width) than a blade 21 is big, make lower rim the place ahead of the passage 11 after masking piece body 20 is closed form one stop catch plate effect downwards, with the bottom blade 20a that covers masking piece body 20 and the gap between outside framework 10 inner bottom surfaces 13, and can promote the screening effect of the bottom blade 20a of masking piece body 20 with respect to the inner bottom surface 13 of outside framework 10, and effectively promote the fire prevention efficient of fire prevention gate.
The above only is preferred embodiment of the present utility model, only is illustrative for the utility model, and nonrestrictive; Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that the utility model claim is limited, revise, even the equivalence change, but all will fall in the protection domain of the present utility model.