CN102364184A - Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve - Google Patents
Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve Download PDFInfo
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- CN102364184A CN102364184A CN2011103211068A CN201110321106A CN102364184A CN 102364184 A CN102364184 A CN 102364184A CN 2011103211068 A CN2011103211068 A CN 2011103211068A CN 201110321106 A CN201110321106 A CN 201110321106A CN 102364184 A CN102364184 A CN 102364184A
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Abstract
The invention discloses a full-automatic secondary action executing mechanism of a smoke-exhausting fire-proof valve. The full-automatic secondary action executing mechanism of the smoke-exhausting fire-proof valve comprises a bottom plate, a mounting plate, a driving device, a main shaft, and a rotating wheel limiting device which is fixed on the mounting plate and circumferentially limits the rotating wheel, wherein a first torsion spring, a cam, a rotating wheel and a second torsion spring are sequentially arranged on the main shaft; the cam is fixed on the main shaft; the rotating wheel is sleeved on the main shaft in a rotating way; at least one positioning pin away from the mounting plate is arranged on the bottom plate; a limiting turntable is fixedly sleeved on the main shaft below the bottom plate; and the positioning pin is in sliding fit with the limiting turntable. The full-automatic secondary action executing mechanism of the smoke-exhausting fire-proof valve can automatically reset to close a blade of the smoke-exhausting fire-proof valve, can automatically open the blade of the smoke-exhausting fire-proof valve for exhausting smoke when power is cut off, and can automatically close the blade of the smoke-exhausting fire-proof valve when the smoke-exhausting temperature reaches or exceeds a certain value to realize the fire-proof function.
Description
Technical field
The present invention relates to the device that a kind of blade of controlling the smoke evacuation fire-closing valve in the building ventilation system is opened or closed, especially a kind of smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism.
Background technique
Along with of the development of China's economy with society; Tall building is more and more; And tall building is paid attention to fire safety problem most; So in the ventilation system of general tall building the smoke evacuation fire-closing valve is installed all, the blade of smoke evacuation fire-closing valve is opened and can be discharged fume, and can stop when blade is closed that dense smoke spreads towards places such as other room and corridors.The opening and closing of the blade of general control smoke evacuation fire-closing valve are controlled by actuator, and blade is in closed condition when usual, in case breaking out of fire; The blade of actuating mechanism controls opened smoke-discharging fire-closing valve is discharged fume, if dense smoke surpasses uniform temperature, during as 280 ℃; Had Mars in the dense smoke; Do not stop smoke evacuation if do not close the blade of smoke evacuation fire-closing valve this moment, can encourage fire spreading, therefore needs actuator that blade is closed.
After a kind of actuator of existing technology can realize the blade of opened smoke-discharging fire-closing valve, close blade once more through temperature control, being exactly that we are said at ordinary times can discharge fume and can frpf secondary action actuator.But there is following shortcoming in the smoke evacuation fire-closing valve secondary action actuator of existing technology: after fire takes place; The phenomenon of outage appears through regular meeting, under the situation of outage the secondary action actuator of existing technology automatically the blade of opened smoke-discharging fire-closing valve discharge fume; And the secondary action actuator of existing technology only possesses the function of hand reset, and when being installed in the higher position as if this actuator, manually-operable is inconvenience very.
Summary of the invention
The technical problem that the present invention will solve is, thereby the blade smoke evacuation of opened smoke-discharging fire-closing valve and the blade that when temperature of exhaust fume reaches or surpass certain value, can close the smoke evacuation fire-closing valve again automatically play the smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism of preventing fire action automatically when a kind of blade of closing the smoke evacuation fire-closing valve of automatically reseting, outage are provided.
Technical solution of the present invention is; A kind of smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism with following structure is provided; Comprise base plate, mounting plate, drive unit, main shaft, described main shaft is equipped with first torsion spring, cam, runner and second torsion spring successively; Described cam is fixed on the main shaft; Described runner rotating sleeve is combined on the main shaft; One end of described first torsion spring is fixed on the main shaft, and the other end of described first torsion spring is fixed on the runner, and an end of described second torsion spring is fixed on the runner; The other end of described second torsion spring is fixed on the mounting plate, and the sense of rotation of described first torsion spring and second torsion spring is opposite; Described runner is provided with the runner pin towards cam lobe, and described cam is provided with second arc-shaped through-hole, and the described runner pin and second arc-shaped through-hole are slidingly matched; It also comprises being fixed on the mounting plate and to runner carries out circumferentially spacing runner limit stoper; One side of described runner limit stoper one end is against on the periphery limit structure of runner; The homonymy of the other end of described runner limit stoper is against on the temperature sensor assembly, and described temperature sensor assembly is fixed on the mounting plate; Described base plate is provided with at least one locating stud away from mounting plate, and fixed cover is equipped with spacing rotating disk on the main shaft of described floor below, and described locating stud and spacing rotating disk are slidingly matched.
Described locating stud and spacing rotating disk are slidingly matched and are meant that described spacing rotating disk is provided with two arc-shaped through-holes, and two arc-shaped through-holes of described spacing rotating disk are slidingly matched with two locating studs respectively.
The periphery limit structure of described runner is meant that runner is provided with outstanding position, and a side of described runner limit stoper one end is against on the outstanding position of runner.
After adopting above structure, the present invention discharges fume fire-closing valve fully automatic secondary action actuating mechanism compared with prior art, has the following advantages:
The present invention discharge fume fire-closing valve fully automatic secondary action actuating mechanism when electric; Can drive main shaft through motor and driving gear set rotates; Through spacing rotating disk and the cooperation that is fixed on two locating studs on the base plate; The mode that current overload when main shaft rotates the locating stud run into an end, electronic circuit board control make the motor stall and be in self-locking makes the main shaft location, and the blade that drives the smoke evacuation fire-closing valve through electronic mode automatically resets and closes.Under the situation of outage; The motor self-locking releasing; The drive main shaft rotates in the opposite direction under the effect of first torsion spring; Run into locating stud to the arc-shaped through-hole of spacing rotating disk and stop, opening the blade smoke evacuation of fire-closing valve, and can to control the blade opening angle be 90 ° in the position of the length of two arc-shaped through-holes through spacing rotating disk is set and locating stud.When temperature of exhaust fume reaches or surpass 280 ℃, the temperature sensor action, the temperature sensor mandrel moves in the indentation temperature sensor head; The end resistance that rocker is against on the mandrel of temperature sensor is removed; Rocker rotates under the effect of rocker torsion spring, and the other end of rocker leaves the protrusion position of runner, and runner drive main shaft under the second torsion spring effect rotates; Close the blade of fire-closing valve, play anti-fire action.
As a kind of improvement of the present invention, the arc-shaped through-hole arc length on the said cam is greater than or equal to the arc length of the arc-shaped through-hole of spacing rotating disk.The rotation angle that advantage is main shaft is limited the arc length of the arc-shaped through-hole of spacing rotating disk, and the arc-shaped through-hole on the cam plays auxiliary position-limiting action.
As another kind of improvement the of the present invention; Described drive unit comprises the electronic circuit board of motor, driving gear set, the stall of control motor and self-locking; Described motor and electronic circuit board are fixed on the mounting plate; Described driving gear set is fixed on the base plate, and the output shaft of described motor is connected with the one-level gear key of driving gear set, and described electronic circuit board is electrically connected with motor.Advantage is that described electronic circuit plate structure makes circuit seem not in disorder, the convenient improvement when needed or increase control, and the stall of described electronic circuit board control motor can cooperate spacing rotating disk to carry out the location of main shaft with self-locking.
Description of drawings
Shown in Figure 1ly be the discharge fume internal structure schematic top plan view of fire-closing valve fully automatic secondary action actuating mechanism of the present invention.
Shown in Figure 2 is phantom among Fig. 1.
Shown in Figure 3 is the structural representation of the spacing rotating disk among Fig. 1.
Shown in Figure 4 is that temperature sensor, rocker, runner among Fig. 1 combines schematic representation.
Shown in the figure, 1, base plate, 2, case, 3, temperature sensor, 4, rocker, 5, bumping post; 6, secondary runner, 7, cam, 7.1, first arc-shaped through-hole, 7.2, second arc-shaped through-hole 8, runner pin, 9, electronic circuit board, 10, motor; 11, rocker axle, 12, the rocker torsion spring, 13, locating stud, 14, spacing rotating disk, 14,1, arc-shaped through-hole; 15, main shaft, 16, second torsion spring, 17, first torsion spring, 18, mounting plate, 19, driving gear set.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Please with reference to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; The present invention's fire-closing valve fully automatic secondary action actuating mechanism of discharging fume comprises base plate 1, mounting plate 18, drive unit, main shaft 15, and described main shaft 15 is equipped with first torsion spring 17, cam 7, runner 6 and second torsion spring 16 successively; Described cam 7 is fixed on the main shaft 15; Described runner 6 rotating sleeves are combined on the main shaft 15; One end of described first torsion spring 17 is fixed on the main shaft 15, and the other end of described first torsion spring 17 is fixed on the runner 6, and an end of described second torsion spring 16 is fixed on the runner 6; The other end of described second torsion spring 16 is fixed on the mounting plate 18, and the sense of rotation of described first torsion spring 17 and second torsion spring 16 is opposite; Described runner 6 is provided with the runner pin 8 towards cam 7 convexities, and described cam 7 is provided with second arc-shaped through-hole 7.2, and the described runner pin 8 and second arc-shaped through-hole 7.2 are slidingly matched; It also comprises being fixed on the mounting plate 18 and to runner 6 carries out circumferentially spacing runner limit stoper; One side of described runner limit stoper one end is against on the periphery limit structure of runner 6; The homonymy of the other end of described runner limit stoper is against on the temperature sensor assembly 3, and described temperature sensor assembly 3 is fixed on the mounting plate 18; Described base plate 1 is provided with at least one locating stud 13 away from mounting plate 18, and fixed cover is equipped with spacing rotating disk 14 on the main shaft 15 of described base plate 1 below, and described locating stud 13 is slidingly matched with spacing rotating disk 14.Described cam 7 is fixed on and is meant on the main shaft 15 that described cam 7 is linked on the main shaft 15 and with main shaft and is fixedly connected.Also be provided with first arc-shaped through-hole 7.1 on the described cam 7; In order to prevent that second torsion spring 16 from coming off under the spring force effect; It is a little longer that the end that described second torsion spring 16 is fixed on runner 6 is done, and the part that described second torsion spring 16 exceeds runner 6 penetrates in described first arc-shaped through-hole 7.1.
Described locating stud 13 is slidingly matched with spacing rotating disk 14 and is meant that described spacing rotating disk 14 is provided with two arc-shaped through-holes 14.1, and two arc-shaped through-holes 14.1 of described spacing rotating disk 14 are slidingly matched with two locating studs 13 respectively.
The arc length of the arc-shaped through-hole 7.2 of said cam 7 is greater than or equal to the arc length of the arc-shaped through-hole 14.1 of spacing rotating disk 14.
The periphery limit structure of described runner 6 is meant that runner 6 is provided with outstanding position, and a side of described runner limit stoper one end is against on the outstanding position of runner 6.
The arc length of the arc-shaped through-hole 7.2 of said cam 7 is greater than or equal to the arc length of the arc-shaped through-hole 14.1 of spacing rotating disk 14.
Described drive unit comprises the electronic circuit board 9 of motor 10, driving gear set 19, control motor 10 stalls and self-locking; Described motor 10 is fixed on the mounting plate 18 with electronic circuit board 9; Described driving gear set 19 is fixed on the base plate 1; The output shaft of described motor 10 is connected with the one-level gear key of driving gear set 19, and described electronic circuit board 9 is electrically connected with motor 10.
Described drive unit comprises the electronic circuit board 9 of motor 10, driving gear set 19, control motor 10 stalls and self-locking; Described motor 10 is fixed on the mounting plate 18 with electronic circuit board 9; Described driving gear set 19 is fixed on the base plate 1; The output shaft of described motor 10 is connected with the one-level gear key of driving gear set 19, and described electronic circuit board 9 is electrically connected with motor 10.
In the present embodiment; Described runner limit stoper comprises rocker 4, rocker axle 11, rocker torsion spring 12; The side of described rocker 4 one ends is against the outstanding position of runner 6; The homonymy of described rocker 4 the other ends is against on the temperature sensor assembly 3, and the middle part of described rocker 4 is actively socketed on the rocker axle 11; One end of described rocker torsion spring 12 is fixed on the mounting plate 18, and the other end of described rocker torsion spring 12 is fixed on the rocker 4.Described temperature sensor assembly 3 comprises mandrel, temperature sensor, action awl piece, when temperature reaches or be higher than setting value, and the easy frit fusing on the action awl piece; Action awl piece loses the barrier effect to mandrel; Mandrel moves down in indentation temperature sensor 3 heads, and rocker one end loses and stops and swing, and removes the restriction to runner; Described temperature sensor assembly 3 is an existing technology, no longer launches to set forth here.
The discharge fume working principle of fire-closing valve fully automatic secondary action actuating mechanism of the present invention is following: before use; Earlier the discharge fume main shaft 15 of fire-closing valve fully automatic secondary action actuating mechanism of the present invention is fixedly connected through the blade coupling shaft of screw with the fire-closing valve of discharging fume; One end of rocker 4 is hung on the mandrel of temperature sensor 3; Rocker 4 the other ends withstand the protrusion position of runner 6, please with reference to shown in Figure 5.When blade need reset, the automatic drive energising, motor 10 drives main shaft 15 through driving gear set 19 and is rotated counterclockwise; The arc-shaped through-hole end that rotates to spacing rotating disk 14 touches two locating studs 13; At this moment, electronic circuit board 9 control motor 10 stalls also make motor 10 be in self-locking state, main shaft 15 location; Actuator resets with regard to driving the smoke evacuation fire-closing valve like this, and blade is closed.Cut off the electricity supply or when having a power failure situation; The self-locking state of motor 10 is removed; Under the twisting force of first torsion spring 17, lead agency main shaft 15 turns clockwise, and another end that rotates to the arc-shaped through-hole of spacing rotating disk 14 touches two locating studs 13; This moment, the blade opening angle was 90 °, thereby made the smoke evacuation fire-closing valve play the effect of smoke evacuation; The temperature that detects dense smoke when temperature sensor 3 reaches or when surpassing 280 ℃, temperature sensor 3 actions are in mandrel indentation temperature sensor 3 heads of temperature sensor 3; Temperature sensor 3 loses the barrier effect to rocker 4, and rocker 4 turns clockwise under the twisting force of rocker torsion spring 12, and the other end of rocker 4 loses the barrier effect to runner 6; Runner 6 is rotated counterclockwise under the twisting force of second torsion spring 16; Runner pin 8 actuating cams 7 on the runner 6, owing to cam 7 is fixedly connected with main shaft 15, and then drive main shaft 15 is rotated counterclockwise together; Thereby the throttle down blade plays the frpf effect.
It more than is the discharge fume preferred embodiment of fire-closing valve fully automatic secondary action actuating mechanism of the present invention; The invention is not restricted to above embodiment; Also can do various variations, be arranged on the runner 6, the runner pin 8 on the described runner 6 is arranged on the cam 7 like the arc-shaped through-hole 7.1 on the described cam 7; Described locating stud 13 is fixed on the spacing rotating disk 14, and described base plate 1 is provided with the arc-shaped through-hole 14.1 that is slidingly matched with described locating stud 13; One end of described rocker 4 is provided with through hole, and the mandrel that described rocker 4 is sleeved on temperature sensor 3 is first-class, all in protection scope of the present invention.
Claims (5)
1. smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism; Comprise base plate (1), mounting plate (18), drive unit, main shaft (15), described main shaft (15) is equipped with first torsion spring (17), cam (7), runner (6) and second torsion spring (16) successively; Described cam (7) is fixed on the main shaft (15); Described runner (6) rotating sleeve is combined on the main shaft (15); One end of described first torsion spring (17) is fixed on the main shaft (15); The other end of described first torsion spring (17) is fixed on the runner (6); One end of described second torsion spring (16) is fixed on the runner (6), and the other end of described second torsion spring (16) is fixed on the mounting plate (18), and described first torsion spring (17) is opposite with the sense of rotation of second torsion spring (16); Described runner (6) is provided with towards the protruding runner pin (8) of cam (7), and described cam (7) is provided with second arc-shaped through-hole (7.2), and described runner pin (8) is slidingly matched with second arc-shaped through-hole (7.2); It comprises that also being fixed on mounting plate (18) upward and to runner (6) carries out circumferentially spacing runner limit stoper; One side of described runner limit stoper one end is against on the periphery limit structure of runner (6); The homonymy of the other end of described runner limit stoper is against on the temperature sensor assembly (3), and described temperature sensor assembly (3) is fixed on the mounting plate (18); It is characterized in that: described base plate (1) is provided with at least one locating stud away from mounting plate (18) (13); The main shaft (15) of described base plate (1) below is gone up fixed cover spacing rotating disk (14) is housed, and described locating stud (13) is slidingly matched with spacing rotating disk (14).
2. smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism according to claim 1; It is characterized in that: described locating stud (13) is slidingly matched with spacing rotating disk (14) and is meant that described spacing rotating disk (14) is provided with two arc-shaped through-holes (14.1), and two arc-shaped through-holes (14.1) of described spacing rotating disk (14) are slidingly matched with two locating studs (13) respectively.
3. the automatic secondary action of smoke evacuation fire-closing valve according to claim 2 actuator; It is characterized in that: the periphery limit structure of described runner (6) is meant that runner (6) is provided with outstanding position, and a side of described runner limit stoper one end is against on the outstanding position of runner (6).
4. the automatic secondary action of smoke evacuation fire-closing valve according to claim 2 actuator is characterized in that: the arc length of the arc-shaped through-hole (7.2) of said cam (7) is greater than or equal to the arc length of the arc-shaped through-hole (14.1) of spacing rotating disk (14).
5. smoke evacuation fire-closing valve fully automatic secondary action actuating mechanism according to claim 1; It is characterized in that: described drive unit comprises the electronic circuit board (9) of motor (10), driving gear set (19), control motor (10) stall and self-locking; Described motor (10) is fixed on the mounting plate (18) with electronic circuit board (9); Described driving gear set (19) is fixed on the base plate (1); The output shaft of described motor (10) is connected with the one-level gear key of driving gear set (19), and described electronic circuit board (9) is electrically connected with motor (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103211068A CN102364184B (en) | 2011-10-21 | 2011-10-21 | Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103211068A CN102364184B (en) | 2011-10-21 | 2011-10-21 | Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve |
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| CN102364184A true CN102364184A (en) | 2012-02-29 |
| CN102364184B CN102364184B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103211068A Active CN102364184B (en) | 2011-10-21 | 2011-10-21 | Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292987A (en) * | 2013-05-28 | 2013-09-11 | 山东省产品质量监督检验研究院 | Opening and closing test unit for fire damper |
| CN104265970A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Full-automatic execution mechanism of fireproof valve |
| CN104265971A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Electric execution mechanism of fireproof valve |
| CN109114351A (en) * | 2018-10-29 | 2019-01-01 | 公安部上海消防研究所 | A kind of Pressure Vessel device for plugging and its blocking method |
| CN111237491A (en) * | 2020-01-08 | 2020-06-05 | 浙江吉利新能源商用车集团有限公司 | Automatic temperature control valve, radiator for steering system and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292987A (en) * | 2013-05-28 | 2013-09-11 | 山东省产品质量监督检验研究院 | Opening and closing test unit for fire damper |
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| CN104265971A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Electric execution mechanism of fireproof valve |
| CN109114351A (en) * | 2018-10-29 | 2019-01-01 | 公安部上海消防研究所 | A kind of Pressure Vessel device for plugging and its blocking method |
| CN109114351B (en) * | 2018-10-29 | 2024-03-26 | 应急管理部上海消防研究所 | Leakage blocking device and leakage blocking method for pressurized container |
| CN111237491A (en) * | 2020-01-08 | 2020-06-05 | 浙江吉利新能源商用车集团有限公司 | Automatic temperature control valve, radiator for steering system and vehicle |
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| CN102364184B (en) | 2013-05-29 |
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