CN102705565A - Actuating mechanism of fireproof smoke exhaust valve - Google Patents
Actuating mechanism of fireproof smoke exhaust valve Download PDFInfo
- Publication number
- CN102705565A CN102705565A CN2012102087602A CN201210208760A CN102705565A CN 102705565 A CN102705565 A CN 102705565A CN 2012102087602 A CN2012102087602 A CN 2012102087602A CN 201210208760 A CN201210208760 A CN 201210208760A CN 102705565 A CN102705565 A CN 102705565A
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- rocker
- fork
- fixed
- fire
- smoke exhaust
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Abstract
The invention discloses an actuating mechanism of a fireproof smoke exhaust valve, which includes a valve body (1), a main shaft (2), a rocker arm (3), a swing frame (4), a swing rod (5) and an electromagnet (6), wherein a base (20) and a fuse (7) are fixed on the valve body (1); the outer end of a mandrel (6.2) of the electromagnet (6) is hinged with one end of the swing rod (5); a torsional spring is arranged between the swing frame (4) and the base (20); one end of the swing frame (4) is propped against the inside of a gap (5.1) of the swing rod (5) under the action of the torsional spring; a first tension spring (12) is fixed between the rocker arm (3) and the fuse (7); a second tension spring (13) is fixed between the rocker arm (3) and the valve body (1); and under the action of the two tension springs, a pull rod (3.1) of the rocker arm (3) is hooked in a hook (4.1) of the swing frame (4). The actuating mechanism can automatically close the fireproof smoke exhaust valve after the fireproof smoke exhaust valve is opened and the fire is increased.
Description
Technical field
The present invention relates to the SE field, specifically is a kind of actuator of fire and smoke exhaust valve.
Background technique
At present, high-rise all is equipped with ventilation duct, is provided with the fire and smoke exhaust valve in the ventilation duct.The fire and smoke exhaust valve comprises valve body, is provided with valve block in the passage of valve body, is fixed with main shaft on the valve block, and main shaft stretches out outside the valve body and with actuator and is connected.Actuator is through rotating spindle, thereby drives the valve block rotation, and then realizes the switching of whole valve body, and during like the channel vertical in valve block and the valve body, valve block blocks passage, and valve body is closed, during the interior channel parallel of valve block and valve body, and the aperture maximum of whole valve body.The actuator of the fire and smoke exhaust valve of existing technology can only control through manual, but the urgent moment on fire, people need put out a fire or withdraw against time, and have no time to go to manual unlocking execution architecture by the actuator; So the actuator of the fire and smoke exhaust valve of existing technology is dangerous, inconvenient; And after the intensity of a fire increasing; Flare possibly spread to other part of building from the ventilation duct in the room that catches fire; In order to prevent this situation, need after the room intensity of a fire of catching fire strengthens, close the fire and smoke exhaust valve in the ventilation duct, but this moment, room temperature was very high; People can't be approaching, so can't manual-lock fire and smoke exhaust valve.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of and can realize that electronic control fire and smoke exhaust valve is opened and after the intensity of a fire strengthens, can close the actuator of the fire and smoke exhaust valve of fire and smoke exhaust valve automatically.
Technical solution of the present invention is, a kind of actuator of fire and smoke exhaust valve is provided, it comprise valve body and with valve body in the fixing main shaft of valve block; Main shaft is rotatable to be engaged on the valve body, and it also comprises a rocking arm, a rocker, a fork and an electromagnet, is fixed with a base and a fus on the valve body; Be fixed with fork axle and rocker axle on the base, the shell stator of electromagnet also is fixed on the base, and an end of the outer end of the mandrel of electromagnet and fork is hinged; Be provided with first stage clip between this end of fork and the shell stator, fork is rotatable to be engaged on the fork axle, and the other end of fork is provided with breach; Rocker is rotatable to be engaged on the rocker axle, is provided with torsion spring between rocker and the base, and an end of rocker is in the breach that pushes against under the effect of torsion spring at fork; The other end of rocker is provided with hook, and rocking arm is fixed on the main shaft, is fixed with first extension spring between an end of rocking arm and the fus; be fixed with second extension spring between this end of rocking arm and the valve body; two extension springs lay respectively at the pulling force of both sides and first extension spring of this end of rocking arm greater than the pulling force of second extension spring, and the other end of rocking arm is provided with tommy bar, and the tommy bar of rocking arm is hooked in the hook of rocker under the effect of two extension springs.
Adopt above structure the fire and smoke exhaust valve actuator compared with prior art, have the following advantages:
The operating principle of opening the fire and smoke exhaust valve of this actuator is: after the room catches fire, and to the electromagnet energising, the mandrel withdrawal of electromagnet; One end of drive fork overcomes the effect of first stage clip and swings to electromagnet; Whole fork rotates around the fork axle, and the notched end of fork breaks away from rocker, and the rocker that loses the breach restriction of fork rotates around the rocker axle under the effect of torsion spring; And then make the hook of the rocker the other end and the tommy bar of rocking arm break away from; At this moment, the spacing rocking arm of hook hook that loses rocker rotates under two extension spring effects, drives the rocking arm rotation thereby i.e. first extension spring overcomes the pulling force of second extension spring; And rotate with valve block that the fixing main shaft of rocking arm also drives the valve body of fire and smoke exhaust valve, realize opening of whole valve body.
This actuator after the intensity of a fire strengthens, close automatically the fire and smoke exhaust valve operating principle be: the fusing-off temperature that surpasses fus when temperature like 280 degree after; Fuse blows; The pulling force of first extension spring disappears, and rocking arm counterrotating under the effect of second extension spring resets, and resets thereby drive with the fixing main shaft counterrotating of rocking arm; Final making resets with the fixing valve block counterrotating of main shaft, realizes closing of whole valve body.
In sum, the unlatching of the electronic realization valve body of the actuator of this fire and smoke exhaust valve ability, and no longer rely on operation manually to open valve body; Like this, when the room caught fire, people need not to be flushed to the actuator place; The manual unlocking valve; Get final product but open electromagnet power supply fast, the valuable time of saving is used for putting out a fire or withdrawing, so safer, more convenient, faster; Secondly, this actuator can withdraw or can't be near catch fire the room time personnel, close the fire and smoke exhaust valve in the room that the intensity of a fire strengthens automatically, prevents that flare from scurrying out and spread to other zone of building from exhaust smoke valve.
As improvement, it comprises that also one is fixed on the support on the valve body, is sheathed with a pressing shaft on the support; The head of pressing shaft is a tip, and tip is between the breach of rocker and fork, like this; People manually press down pressing shaft, and the tip of pressing shaft can back down fork and rocker, make rocker break away from the fork breach; Thereby inspire the rotation of rocker, rocking arm, main shaft, finally, that is to say through the opening of manual realization fire and smoke exhaust valve; This structure has realized the manual control that valve body is opened, the alternative scheme as electromagnet after malfunctioning, safer, more insurance.
As also improving, comprise two parallel risers on the support, two risers are provided with two mounting holes; Pressing shaft is linked in two mounting holes; The shaft part of pressing shaft between two risers is provided with radially latch, radially is provided with second stage clip between the riser of latch and inboard, like this; Unclamp and press down the hand of pressing bar, pressing bar can automatically reset under the effect of second stage clip.
As improving again, a runner is installed on the support, coiling has cable wire on the runner, and an end of the free end of cable wire and rocking arm band tommy bar is fixed; One end of rocker buckle also is provided with a baffle plate, and baffle plate is positioned at the hook inboard, like this, and when also the do not fuse intensity of a fire in room of fus is just put out very soon; In the time of need closing the fire and smoke exhaust valve, rotating wheel tightens up cable wire, and cable wire overcomes first extension spring effect traction rocking arm rotary reset; the tommy bar of rocking arm can be against the baffle plate of living rocker in the process that rocking arm resets, and then promotes also rotary reset of rocker, and the rocker rotation that resets snaps in the breach of fork up to rocker one end again, simultaneously the hook of the other end of rocker also just in time hook live the tommy bar of rocking arm; at this moment, valve body is also closed again, and whole actuator all resets; to sum up, and through this structure, whole actuator very easily can reset.
As further improvement, respectively be provided with a pilot hole on two risers of support, rotatablely in two pilot holes be combined with a rotating shaft, runner is fixed on the shaft part between two risers of rotating shaft, and such is simple in structure, easy to assembly.
As improving again again; The stage casing of fork is provided with the projection that is used to limit the rocker rotation; Like this, an end of rocker breaks away from the restriction of fork breach and will under the effect of torsion spring, rotate to the direction near electromagnet, rotate to the projection place in fork stage casing when rocker; Can be spacing by projection, this is in order to prevent the excessive situation that is difficult to reset of rocker angle of swing.
As also further improving, also be fixed with little switch that touches on the base, little contact that touches switch is positioned at the side of rocker near electromagnet; Like this, rocker can touch little switch that touches after breaking away from breach restriction beginning rotation of fork; Little switch that touches can send signal, and the expression valve body has begun to open.
Description of drawings
Fig. 1 is the plan structure schematic representation of the actuator of fire and smoke exhaust valve of the present invention.
Fig. 2 is the side-looking structural representation of the actuator of fire and smoke exhaust valve of the present invention.
Shown in the figure 1, valve body, 2, main shaft, 3, rocking arm, 3.1, tommy bar, 4, rocker, 4.1, hook, 4.2, baffle plate; 5, fork, 5.1, breach, 5.2, projection, 6, electromagnet, 6.1, the shell stator, 6.2, mandrel; 7, fus, 8, the fork axle, 9, the rocker axle, 10, first stage clip, 11, torsion spring, 12, first extension spring; 13, second extension spring, 14, support, 14.1, riser, 15, pressing shaft, 15.1, latch radially, 16, second stage clip; 17, runner, 18, cable wire, 19, rotating shaft, 20, base, 21, little switch that touches, 22, angle steel.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Like Fig. 1, shown in Figure 2, the actuator of fire and smoke exhaust valve of the present invention, it comprise valve body 1, with the fixing main shaft of the valve block in the valve body 12, a rocking arm 3, a rocker 4, a fork 5, an electromagnet 6, an angle steel 22 and a support 14.Electromagnet 6 is electrically connected with PLC chip, power supply, signal receiver.People transmit with signal transmitter, and signal receiver is passed to the PLC chip with signal, and the PLC chip just can give electromagnet 6 energisings.Be fixed with base 20 and fus 7 on the valve body 1, be fixed with fork axle 8 and rocker axle 9 on the base 20, the shell stator 6.1 of electromagnet 6 also is fixed on the base 20.The outer end of the mandrel 6.2 of electromagnet 6 and an end of fork 5 are hinged, are provided with first stage clip 10 between end fork 5 and that mandrel 6.2 is hinged and the shell stator 6.1.Fork 5 is rotatable to be engaged on the fork axle 8, and promptly fork 5 is rotatable is linked on the fork axle 8 and fork axle 8 tops are combined with and prevent the nut of fork 5 along the axial disengaging fork axle 8 of fork axle 8.The stage casing of fork 5 is provided with the projection 5.2 that is used to limit rocker 4 rotations.End away from mandrel 6.2 of fork 5 is provided with breach 5.1.Rocker 4 is rotatable to be engaged on the rocker axle 9, and promptly rocker 4 is rotatable is linked on the rocker axle 9 and the top of rocker axle 9 is combined with and prevents the nut of rocker 4 along the axial disengaging rocker axle 9 of rocker axle 9.Be provided with torsion spring 11 between rocker 4 and the base 20, specifically, torsion spring 11 is linked on the rocker axle 9, and an end of torsion spring 11 and rocker 4 are fixing, and the other end of torsion spring 11 and base 20 are fixing.One end of rocker 4 is in the breach 5.1 that pushes against under the effect of torsion spring 11 at fork 5, and the other end of rocker 4 is provided with hook 4.1, and an end of rocker 4 buckles 4.1 also is provided with a baffle plate 4.2, and baffle plate 4.2 is positioned at hook 4.1 inboards.Rocking arm 3 is fixed on the main shaft 2.Be fixed with first extension spring 12 between one end of rocking arm 3 and the fus 7; be fixed with second extension spring 13 between this end of rocking arm 3 and the valve body 1; end of rocking arm 3 is provided with a through hole, an end hook of first extension spring 12 hangs in the through hole of rocking arm 3, and the other end of first extension spring 12 is hooked on the fus 7; after fus 7 fusing, first extension spring 12 is thrown off with fus 7 automatically; One end hook of second extension spring 13 hangs in the through hole of rocking arm 3, the other end of second extension spring 13 be fixed on angle steel 22 hooks on the valve body 1.Two extension springs lay respectively at the pulling force of both sides and first extension spring 12 of rocking arm 3 these ends greater than the pulling force of second extension spring 13, and the end away from two extension springs of rocking arm 3 is provided with tommy bar 3.1.The tommy bar 3.1 of rocking arm 3 is hooked under the effect of two extension springs in the hook 4.1 of rocker 4; I.e. two extension springs lay respectively at the both sides of rocking arm 3 one ends; First extension spring, 12 pulling force are greater than second extension spring 13; The effect of two extension springs is the remaining that part of effect after the effect of first extension spring 12 is offset by second extension spring 13 in fact, and an end of rocking arm 3 overcomes under the effect of second extension spring 13 in first extension spring 12, and the tommy bar 3.1 of the other end of rocking arm 3 is hooked in the hook 4.1 of rocker 4 simultaneously.Also be fixed with little switch 21 that touches on the base 20, little contact that touches switch 21 is positioned at the side of rocker 4 near electromagnet 6.
Be sheathed with a pressing shaft 15 on the support 14; Be to comprise two parallel risers 14.1 on the support 14; Two risers 14.1 are provided with two mounting holes; Pressing shaft 15 is linked in two mounting holes, and the shaft part of pressing shaft 15 between two risers 14.1 is provided with radially latch 15.1, radially latch 15.1 and inboard promptly be provided with second stage clip 16 between the riser 14.1 near a side of rocker 4.The head of pressing shaft 15 is a tip, and tip is between the breach 5.1 of rocker 4 and fork 5.One runner 17 also is installed on the support 14, promptly respectively is provided with a pilot hole on two risers 14.1 of support 14, rotatablely in two pilot holes be combined with a rotating shaft 19, runner 17 is fixed on the shaft part between two risers 14.1 of rotating shaft 19.Coiling has cable wire 18 on the runner 17, and an end of the free end of cable wire 18 and rocking arm 3 band tommy bars 3.1 is fixed.
Claims (7)
1. the actuator of a fire and smoke exhaust valve; It comprises valve body (1) and the main shaft of fixing with the valve block in the valve body (1) (2); Main shaft (2) is rotatable to be engaged on the valve body (1), and it is characterized in that: it also comprises a rocking arm (3), a rocker (4), a fork (5) and an electromagnet (6), is fixed with a base (20) and a fus (7) on the valve body (1); Be fixed with fork axle (8) and rocker axle (9) on the base (20); The shell stator (6.1) of electromagnet (6) also is fixed on the base (20), and the outer end of the mandrel (6.2) of electromagnet (6) and an end of fork (5) are hinged, are provided with first stage clip (10) between this end of fork (5) and the shell stator (6.1); Fork (5) is rotatable to be engaged on the fork axle (8); The other end of fork (5) is provided with breach (5.1), and rocker (4) is rotatable to be engaged on the rocker axle (9), is provided with torsion spring (11) between rocker (4) and the base (20); One end of rocker (4) is in the breach (5.1) that pushes against under the effect of torsion spring (11) in fork (5); The other end of rocker (4) is provided with hook (4.1), and rocking arm (3) is fixed on the main shaft (2), is fixed with first extension spring (12) between an end of rocking arm (3) and the fus (7); be fixed with second extension spring (13) between this end of rocking arm (3) and the valve body (1); two extension springs lay respectively at the pulling force of both sides and first extension spring (12) of this end of rocking arm (3) greater than the pulling force of second extension spring (13), and the other end of rocking arm (3) is provided with tommy bar (3.1), and the tommy bar (3.1) of rocking arm (3) is hooked under the effect of two extension springs in the hook (4.1) of rocker (4).
2. the actuator of fire and smoke exhaust valve according to claim 1; It is characterized in that: it comprises that also one is fixed on the support (14) on the valve body (1); Be sheathed with a pressing shaft (15) on the support (14); The head of pressing shaft (15) is a tip, and tip is positioned between the breach (5.1) of rocker (4) and fork (5).
3. the actuator of fire and smoke exhaust valve according to claim 2; It is characterized in that: comprise two parallel risers (14.1) on the support (14); Two risers (14.1) are provided with two mounting holes; Pressing shaft (15) is linked in two mounting holes, and the shaft part that pressing shaft (15) is positioned between two risers (14.1) is provided with radially latch (15.1), radially is provided with second stage clip (16) between the riser (14.1) of latch (15.1) and inboard.
4. the actuator of fire and smoke exhaust valve according to claim 3; It is characterized in that: a runner (17) is installed on the support (14); Runner (17) is gone up coiling has cable wire (18); One end of the free end of cable wire (18) and rocking arm (3) band tommy bar (3.1) is fixed, and an end of rocker (4) buckle (4.1) also is provided with a baffle plate (4.2), and baffle plate (4.2) is positioned at hook (4.1) inboard.
5. the actuator of fire and smoke exhaust valve according to claim 4; It is characterized in that: respectively be provided with a pilot hole on two risers (14.1) of support (14); Rotatablely in two pilot holes be combined with a rotating shaft (19), runner (17) is fixed on the shaft part between two risers (14.1) of rotating shaft (19).
6. the actuator of fire and smoke exhaust valve according to claim 1 is characterized in that: the stage casing of fork (5) is provided with the projection (5.2) that is used to limit rocker (4) rotation.
7. the actuator of fire and smoke exhaust valve according to claim 1 is characterized in that: also be fixed with little switch (21) that touches on the base (20), little contact that touches switch (21) is positioned at the side of rocker (4) near electromagnet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102087602A CN102705565A (en) | 2012-06-25 | 2012-06-25 | Actuating mechanism of fireproof smoke exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102087602A CN102705565A (en) | 2012-06-25 | 2012-06-25 | Actuating mechanism of fireproof smoke exhaust valve |
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| Publication Number | Publication Date |
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| CN102705565A true CN102705565A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102087602A Pending CN102705565A (en) | 2012-06-25 | 2012-06-25 | Actuating mechanism of fireproof smoke exhaust valve |
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| Country | Link |
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| CN (1) | CN102705565A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994263A (en) * | 2014-05-28 | 2014-08-20 | 靖江市八达暖通设备制造有限公司 | Manual and electric actuator of fireproof smoke exhaust damper |
| EP3246932A1 (en) * | 2016-05-19 | 2017-11-22 | Siemens Aktiengesellschaft | Safety device with a fuse and method for electrically monitoring and signalling the triggering of a safety device, in particular a fuse |
| CN108986675A (en) * | 2018-07-21 | 2018-12-11 | 福建海佳彩亮光电科技有限公司 | A kind of outdoor nude packing display screen |
| CN109751425A (en) * | 2019-03-19 | 2019-05-14 | 郑荣俊 | A kind of smoke-exhaust fire valve actuating mechanism and smoke exhaust fire damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224878Y (en) * | 1995-03-29 | 1996-04-17 | 郑荣俊 | Controling unit for smoke exhaust |
| CN2321913Y (en) * | 1997-12-12 | 1999-06-02 | 郑荣俊 | Long distance manual opener for smoke exhausting valve |
| CN2713263Y (en) * | 2004-06-25 | 2005-07-27 | 王兆君 | Secondary actuator of smoke exhausting fire damper |
| CN102401179A (en) * | 2011-11-24 | 2012-04-04 | 宁波东灵水暖空调配件有限公司 | Long-distance actuating mechanism of fireproof valve |
| CN202597830U (en) * | 2012-06-25 | 2012-12-12 | 宁波东灵水暖空调配件有限公司 | Actuating mechanism of fire-proof smoke exhaust valve |
-
2012
- 2012-06-25 CN CN2012102087602A patent/CN102705565A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224878Y (en) * | 1995-03-29 | 1996-04-17 | 郑荣俊 | Controling unit for smoke exhaust |
| CN2321913Y (en) * | 1997-12-12 | 1999-06-02 | 郑荣俊 | Long distance manual opener for smoke exhausting valve |
| CN2713263Y (en) * | 2004-06-25 | 2005-07-27 | 王兆君 | Secondary actuator of smoke exhausting fire damper |
| CN102401179A (en) * | 2011-11-24 | 2012-04-04 | 宁波东灵水暖空调配件有限公司 | Long-distance actuating mechanism of fireproof valve |
| CN202597830U (en) * | 2012-06-25 | 2012-12-12 | 宁波东灵水暖空调配件有限公司 | Actuating mechanism of fire-proof smoke exhaust valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994263A (en) * | 2014-05-28 | 2014-08-20 | 靖江市八达暖通设备制造有限公司 | Manual and electric actuator of fireproof smoke exhaust damper |
| CN103994263B (en) * | 2014-05-28 | 2018-08-17 | 靖江市八达暖通设备制造有限公司 | A kind of manual band Electric Actuator of anti-fire smoke expelling valve |
| EP3246932A1 (en) * | 2016-05-19 | 2017-11-22 | Siemens Aktiengesellschaft | Safety device with a fuse and method for electrically monitoring and signalling the triggering of a safety device, in particular a fuse |
| CN108986675A (en) * | 2018-07-21 | 2018-12-11 | 福建海佳彩亮光电科技有限公司 | A kind of outdoor nude packing display screen |
| CN109751425A (en) * | 2019-03-19 | 2019-05-14 | 郑荣俊 | A kind of smoke-exhaust fire valve actuating mechanism and smoke exhaust fire damper |
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Application publication date: 20121003 |