CN2190143Y

CN2190143Y - Special closed inlet/outlet valve for air-duct of buildings

Info

Publication number: CN2190143Y
Application number: CN 94208302
Authority: CN
Inventors: 洪世荣
Original assignee: JIE'AN EXTINGUISHERS INDUSTRY Co Ltd
Current assignee: JIE'AN EXTINGUISHERS INDUSTRY Co Ltd
Priority date: 1994-03-31
Filing date: 1994-03-31
Publication date: 1995-02-22
Anticipated expiration: 2004-03-31

Abstract

The utility model relates to an air intake/smoke exhaust valve for fire control systems in buildings, particularly a special closed air intake/smoke exhaust valve for ventilating pipes in buildings. The utility model comprises a window frame, a left and a right brackets arranged on the left and the right columns of the window frame, a plurality of blade sleeve boxes pivoted on the left and the right brackets, and a plurality of blades inserted in the blade sleeve boxes and all provided with seal rubber strips on the upper edge. Each blade sleeve box on the left and the right brackets is jointly pivoted on a left and a right drive rod sheets; the middle piece of a left drive rod is pivoted with a connecting rod whose other end is pivoted with a swing arm; the other end of the swing arm is locked with and driven by the output shaft of a drive device.

Description

Special closed inlet/outlet valve for air-duct of buildings

The utility model relates to a kind of air intake/smoke evacuation gate that is applicable to the building fire fighting system, refers to the new structure of the special-purpose closed air intake of building ventilating duct/smoke evacuation gate that a kind of gate opening/closing is smooth and easy and airtight effect is good especially.

See also Fig. 1, easy configuration schematic diagram for ventilating duct in the general building fire fighting system, these ventilating ducts roughly can be divided into 20 two kinds of intake stack 10 and smoke discharging pipes, and each leads to each floor each ventilating duct with its suitable arm, simultaneously, and with logical as between each floor and intake stack 10 or the smoke discharging pipe 20 of a kind of air intake/smoke evacuation gate A of normally closed type, stopped pipe system, and these air intakes/smoke evacuation gate A(sees also the photo of annex one), all be subjected to a building Fire Services Communication Centre to plan as a whole control, it is to remain under the closing state usually, when having situation to take place, just can open, for example, if fire alarm has taken place in the 10th buildings (10F) shown in Fig. 1, then the fire alarm in this building detect the cigarette sensing apparatus can be when detecting the fire alarm situation, citation is to the building Fire Services Communication Centre, and this center is when receiving the fire alarm signal, alarming apparatus except this building of writ of summons, outside automatic water system or other device immediate response action, citation more simultaneously makes all air intakes of this floor/smoke evacuation gate A open, at this moment, the exhausting motor 21 that is arranged on the air supply motor 11 of intake stack 10 appropriate locations and is arranged on smoke discharging pipe 20 appropriate locations also obtains signal and entry into service simultaneously, so, for the 10th buildings of fire alarm take place, can import a large amount of fresh airs by intake stack 10, and discharge a large amount of people's dense smoke of choking by smoke discharging pipe 20, the air-supply fume exhausting type of this forced circulation of picture, be the dense smoke that effectively to evacuate fire scene, and provide ozone to the people that are stranded in fire scene, with reduction fire alarm injures and deaths, and be long-drawn-out together safeguard procedures of closing human life in the building fire fighting system.

Yet, the employed air intake of the ventilating duct of above-mentioned building fire fighting system/smoke evacuation gate, gate blade parts stuck phenomenon but usually can take place because its structure is coarse and crude, make can't as the expection as switching motion, and make whole ventilating duct when fire alarm takes place, can't carry out the circulation of air intake, smoke evacuation, and have a strong impact on escape; Moreover, this simple and crude air intake/smoke evacuation gate, the transmission between its blade and the blade links and insensitive, and it is slow not only to open and close reaction speed, and often makes the keying situation between each blade be difficult to synchronously; On these traditional air intake/smoke evacuation gates, there is no manually or automatic switching control equipment again, in case fire scene and building Fire Services Communication Centre lose when linking, stranded people just can't open air intake/smoke evacuation gate with manual mode, and enjoy dense smoke to threaten; In addition, above example, owing to not any " airtight " measure on traditional air intake/smoke evacuation gate causes its airtight effect not good, make the part of fresh air of 11 suction of air supply motor via the not good air intake of this airtight effect/smoke evacuation gate, and enter the 9th buildings (9F), ten Stalls (11F), in twelfth floor (12F) or other floor, so for the 10th buildings (10F) of fire alarm take place, the air that it obtained will have not enough misgivings (according to the regulation of fire codes, air intake, exhaust air rate must be more than per second four steres, with regard to traditional air intake/smoke evacuation gate, because its airtight effect is not good, and the air capacity that certainly will cause delivering to fire scene has deficiency and is not inconsistent the misgivings of regulation), and relatively, therefore the dense smoke of discharging from the 10th buildings also will have the anxiety that pours into other floor.

According to the above as can be known, link sensitive inadequately because the transmission of blade parts stuck phenomenon, not good, the no manual automatic switchover of airtight effect and blade and blade easily takes place traditional air intake/air draft gate, and have a strong impact on the function of the ventilating duct of whole building fire fighting system, therefore, how a kind of new air inlet smooth and easy, that airtight effect is good/smoke evacuation gate structure that moves is provided, and is the task of top priority and be the ardent hope of fire-fighting equipment production circle institute.

In view of the above, the utility model is released the special-purpose closed air intake of a kind of building ventilating duct/smoke evacuation gate, and its purpose is:

1, the new air intake/smoke evacuation gate structure of the smooth and easy and difficult generation stuck phenomenon of a kind of gate blade action is provided.

2, the new air intake/smoke evacuation gate structure of a kind of pattern novelty attractive in appearance is provided, and in order to eliminate the simple and crude and vulgar old-fashioned and inflexible traditional iron air intake/smoke evacuation gate structure of pattern of structure.

3, provide a kind of blade transmission to link suitable sensitivity and open and close the new very rapidly air intake of reaction/smoke evacuation gate structure.

4, provide a kind of airtight effect well not have the new air intake/smoke evacuation gate structure of the anxiety of leakage.

For achieving the above object, the special-purpose closed air intake of the building ventilating duct that the utility model provides/smoke evacuation gate, it mainly comprises:

Window frame, it is a kind of framework of being made up of upper and lower beam and left and right post, wherein, along the upper limb of underbeam and be embedded with a sealed ubber strip, and the lower edge of putting the beams in place and be set as in hook-shaped;

Left and right support is locked in the inboard of the left and right post of above-mentioned window frame, along on its exterior rim and respectively be embedded with a special fine hair edge strip;

Blade cover casket, form by several same member, and its each all constitute by casket groove and protruding prolonging in the institute of cranking arm in casket groove stage casing, wherein, all curved prolonging has an inlay card flange on the casket groove of each blade cover casket, the blade that inlay card is inserted in it can not deviate from arbitrarily, and each blade cover casket also all respectively is hubbed at an above-mentioned left side with its front end of cranking arm, on the right support, and each blade cover casket that is hubbed on the left socle respectively is hubbed on the Left Drive bar sheet with its end of cranking arm, and each blade cover casket that is hubbed on the right support also respectively is hubbed on the right drive link sheet with its end of cranking arm, in addition, each blade cover casket that is hubbed on the left socle overlaps casket with the blade that each is hubbed on the right support, the open side of its casket groove is the shape of standing far apart facing each other, and the closed side of its casket groove is then all according to being affixed on the special fine hair edge strip;

Blade has some and be plugged on respectively between two relative blades cover caskets, and the upper limb of each sheet blade and each laterally be embedded with a sealed ubber strip, and the lower edge of each sheet blade is hook-shaped in all being;

Connecting rod, the one end is hubbed on the stage casing of right drive link sheet, the other end swing arm that then is pivoted, the other end of this swing arm then locks on the output gear shaft of drive unit;

Drive unit, be a kind of motor apparatus with rotating function, it is preferably a kind of motor apparatus with rotating and manual switching, and the motor of these motor apparatus is after through wheel of the Sui in the gear-box and reduction gearing, it is gear shaft of transmission, this gear shaft is power transmission shaft of transmission again, one end of this power transmission shaft is meshed with gear shaft, and this end is also resisted by a spring, its other end is then relative with a driven shaft chimeric, then there is the tip of dialling of a switch bar to protrude out thereon as for its thin short stage casing, and the switching of stirring of switch bar matches with this spring thus, and before whole power transmission shaft is done, back displacement, and then determine the mutual whether chimeric of itself and this driven shaft; And the other end of this driven shaft is a umbrella dentation, being engaged in a transmission umbrella tooth, the umbrella of this transmission umbrella tooth top is chimeric a manual turn-button, at the bottom of the umbrella then in conjunction with a worm screw, this worm screw is output gear of transmission then, and the wheel shaft of this output gear is then tied with the swing arm lock of this connecting rod and is fixed together.

Show conjunction with figs. and describe structure content of the present utility model and benefit thereof in detail.

Fig. 1 is the easy configuration schematic diagram of the ventilating duct of building fire fighting system;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a three-dimensional combination figure of the present utility model;

Fig. 3 A is the A-A sectional drawing among Fig. 3;

Fig. 4 A is cross-section structure and its action schematic diagram () of drive unit of the present utility model;

Fig. 4 B is cross-section structure and its action schematic diagram (two) of drive unit of the present utility model;

Fig. 5 A is a blade switching motion schematic diagram of the present utility model ();

Fig. 5 B is a blade switching motion schematic diagram of the present utility model (two).

See also Fig. 2,3, be the special-purpose closed air intake of a kind of building ventilating duct/smoke evacuation gate, it mainly comprises:

Window frame 30, its for a kind of by the framework of putting the beams in place 31, underbeam 32, left post 33 and right post 34 are formed, wherein, along the upper limb of underbeam 32 and be embedded with a sealed ubber strip B1, and put the beams in place 31 lower edge and be set as in hook-shaped (as Fig. 2 arrow C indication);

Left and

right support

40 and 41 is locked in the left and right post 33 of above-mentioned

window frame

30 and 34 inboard, along also respectively being embedded with a special fine hair edge strip D on its exterior rim;

Blade cover casket 50, form by several same member, and its each all constitute by casket groove 51 and protruding prolonging in cranking arm 52 of casket groove 51 stage casings, wherein, all curved prolonging has an inlay card flange 511 on the casket groove 51 of each blade cover casket 50, the blade 60 that inlay card is inserted in it can not deviate from arbitrarily, and each blade cover casket 50 and all crank arm 52 front end and respectively be hubbed at an above-mentioned left side with it, on the

right support

40 and 41, and each is hubbed on blade cover casket 50 on the left socle 40, and more each is hubbed on the Left Drive bar sheet 70 with its end of 52 of cranking arm, also each is hubbed on the right drive link sheet 71 with its end of 52 of cranking arm and each is hubbed on blade cover casket 50 on the right support 41, in addition, each blade cover casket 50 that is hubbed on the left socle 40 overlaps casket 50 with the blade that each is hubbed on the right support 41, the open side of its casket groove 51 is the shape of standing far apart facing each other, and the closed side of its casket groove 51 is then all according to being affixed on the special fine hair edge strip D;

Blade 60 has several and is plugged on respectively between per two relative blades cover caskets 50, and the upper limb of each sheet blade 60 and each laterally be embedded with a sealed ubber strip B2, and the lower edge of each sheet blade 60 all be in hook-shaped (as Fig. 2 arrow E indication);

Connecting rod 80, the one end is hubbed on the stage casing of right drive link sheet 71, the other end swing arm 81 that then is pivoted, the other end of this swing arm 81 then locks shown in the output gear 98(of drive unit 90 Fig. 4 A) wheel shaft on;

Drive unit 90, have rotating and a manual device for switching for a kind of, see also Fig. 4 A, shown in the 4B, its motor 91 is after through wheel of the Sui in the gear-box 92 and reduction gearing (not shown), it is gear shaft 921 of transmission, this gear shaft 921 is power transmission shaft 93 of transmission again, one end of this power transmission shaft 93 is meshed with gear shaft 921, and this end is also resisted by a spring 94, its other end is then relative chimeric with a driven shaft 95, then there is the tip 961 of dialling of a switch bar 96 to protrude out on it as for its thin short stage casing, the switching of stirring of switch bar 96 matches with aforementioned spring 94 thus, and before whole power transmission shaft 93 is done, back displacement is to determine the mutual whether chimeric of itself and aforementioned driven shaft 95; And the other end of this driven shaft 95 is to be a umbrella dentation, to be engaged in a transmission umbrella tooth 97, the umbrella of this transmission umbrella tooth 97 pushes up the then chimeric manual turn-button 971 that has, at the bottom of the umbrella then in conjunction with a worm screw 972, output gear 98 of 972 transmissions of this worm screw, the wheel shaft of this output gear 98 are then tied with swing arm 81 locks of above-mentioned connecting rod 80 and are fixed together; The drive unit 90 of structure like this, when its switch bar 96 is pushed into manual position, shown in Fig. 4 A, and can be by group tip 961 of switch bar 96, with 93 groups of whole power transmission shafts chimeric position, so, can directly drive output gear 98 with manual turn-button 971 from itself and driven shaft 95, reaching its manually purpose of control, and make when emergency situations takes place with manual mode emergency opening gate and be beneficial to the carrying out of maintenance activity; And when its switch bar 96 is pushed into automated location, shown in Fig. 4 B, the dialling of the tip 961 of dialling in switch bar 96 reversed and done under the cooperation with spring 94 restoring forces, whole power transmission shaft 93 is with rapid return and chimeric with driven shaft 95, so, can directly drive output gear 98 with motor 91, to reach its purpose of control automatically;

New air intake/smoke evacuation gate such as the said structure combination, no matter its drive unit 90 is that the state that is in manual or automatic control (is the position of controlling automatically usually, can switch to manual position during maintenance), when needing only its output gear 98 by transmission, can drive swing arm 81 and kinematic link 80, wherein, see also Fig. 5 A, shown in the 5B, swing arm 81 is to do the semi arch motion with the rotation of output gear 98, half circular motion and before ordering about the connecting rod 80 that is pivoted thereon in view of the above, the back advances, to drive the right drive link sheet 71 of stage casing and connecting rod 80 pivots knot, and make that blade 60 is able to rotate with blade cover casket 50, and reach the purpose (whole operating principle is similar to the driving of train wheel) of its gate opening/closing.

According to the above as can be known, structure of the present utility model, no matter be under manual or automatic state, all can move swimmingly, and there is not the stuck anxiety of any parts, and it is very sensitive especially and have the fast opening and closing reaction properties that blade and interlobate transmission link situation, in addition, even under the out of touch emergency situations of fire scene and fire-fighting center, building, the utility model can switch to manual control position immediately, and can directly open it voluntarily by the people that are stranded in fire scene with manual mode, see also Fig. 2 and Fig. 3 A again, the utility model is under closing state, can be by sealed ubber strip B1, the setting of B2 and special fine hair edge strip D and be effective closed state (because each sealed ubber strip all just and the interior hook edge of blade or upper beam chimeric closely, and special fine hair edge strip also has the effect of sealing), moreover, owing to blade 60 is that directly to be inserted in blade cover casket 50 be one can not substitute separately the person, and other each several part also all can be disassembled combination rapidly, therefore, it is smooth and easy that the utility model not only has running, the benefit that airtight effect is good, and have and be easy to a large amount of productions, be convenient to the construction assembling and be beneficial to the maintain and replace operation carry out ... wait many practical improvement benefits.

Claims

1, the special-purpose closed air intake of a kind of building ventilating duct/smoke evacuation gate is characterized in that including:

Drive unit is a kind of motor apparatus with rotating function.

2, the special-purpose closed air intake of building as claimed in claim 1 ventilating duct/smoke evacuation gate, it is characterized in that: this drive unit is preferably a kind of motor apparatus with rotating and manual switching, and the motor of these motor apparatus is after through wheel of the Sui in the gear-box and reduction gearing, it is gear shaft of transmission, this gear shaft is power transmission shaft of transmission again, one end of this power transmission shaft is meshed with gear shaft, and this end is also resisted by a spring, its other end is then relative with a driven shaft chimeric, then there is the tip of dialling of a switch bar to protrude out thereon as for its thin short stage casing, and the switching of stirring of switch bar matches with this spring thus, before whole power transmission shaft is done, back displacement, and then determine the mutual whether chimeric structure of itself and this driven shaft; And the other end of this driven shaft is a umbrella dentation, being engaged in a transmission umbrella tooth, the umbrella of this transmission umbrella tooth top is chimeric a manual turn-button, at the bottom of the umbrella then in conjunction with a worm screw, this worm screw is output gear of transmission then, and the wheel shaft of this output gear is then tied with the swing arm lock of this connecting rod and is fixed together.