CN209638475U - A kind of smoke-exhaust fire valve actuating mechanism - Google Patents

Abstract

The utility model embodiment discloses a kind of smoke-exhaust fire valve actuating mechanism, including shell, connecting rod, shaft and shift fork, connecting rod, the setting that shaft and shift fork rotate respectively is on the intracorporal bottom plate of shell, it further include movable claw, electromagnet, microswitch, temperature controller and electromagnetic core spring, movable claw is fixed in shaft, electromagnet and microswitch are separately positioned on the intracorporal bottom plate of shell, the other end of connecting rod and the driving end of electromagnet are rotatablely connected, temperature controller is arranged on the intracorporal bottom plate of shell, the top of temperature controller pushes link rotatable, electromagnetic core spring is arranged on the driving end of electromagnet, shaft reduction torsion spring is provided with below movable claw, it further include the shift fork tension spring being arranged on shift fork, the both ends of shift fork tension spring are separately positioned in the bottom plate of shell and the shaft of shift fork.The utility model has the characteristics that structure is simple, small in size and easy for installation.

Description

A kind of smoke-exhaust fire valve actuating mechanism

Technical field

The utility model embodiment is related to executing agency's technical field, and in particular to a kind of smoke-exhaust fire valve actuating mechanism.

Background technique

It is fitted with smoke outlet in the ventilating system of general skyscraper, once it is available manually or by fire-fighting control that fire occurs Opened smoke-discharging mouth in center processed, makes smoke outlet discharge fume with smoke exhaust fan interlocked startup, but when flue-gas temperature is more than 280 DEG C, Fire has been had in flue gas, if do not stopped discharging fume, the intensity of a fire can have been encouraged and spread to other positions, and burns out smoke exhaust fan and fire occurs At this moment the danger of calamity should close smoke evacuation system or smoke evacuation branch pipe immediately, reduce the expansion and sprawling of pyrotechnics, therefore need to be in smoke outlet Smoke-exhaust fire valve actuating mechanism is installed.

The patent No. 96214657.9 " secondary actuator of smoke exhausting fire damper " also provides a kind of secondary execution mechanism, but its Structure is complicated, volume is big.

Utility model content

For this purpose, the utility model embodiment provides a kind of smoke-exhaust fire valve actuating mechanism, to solve to discharge fume in the prior art Structure is complicated for fireproof valve executing mechanism, volume is big and the problem of installation and maintenance inconvenience.

To achieve the goals above, the embodiments of the present invention provides the following technical solutions:

A kind of smoke-exhaust fire valve actuating mechanism, including shell, connecting rod, shaft and shift fork, the connecting rod, shaft and dial The setting rotated respectively is pitched on the intracorporal bottom plate of the shell, one end of the shift fork and one end of the connecting rod lean, institute State shaft one end and smoke exhaust fire damper blade rotor connect, further include movable claw, electromagnet, microswitch, temperature controller with And electromagnetic core spring, the movable claw are fixed in the shaft, the shift fork, connecting rod and movable claw cooperation are so that institute It is positioned after stating shaft rotation, the electromagnet and the microswitch are separately positioned on the intracorporal bottom plate of the shell, the company The driving end of the other end of bar and the electromagnet is rotatablely connected, and the contact of the shift fork and the microswitch leans, institute Setting that temperature controller is axially movable is stated on the intracorporal bottom plate of the shell, and the top of the temperature controller can be resisted against the company To push the link rotatable on bar, the electromagnetic core spring, which is arranged on the driving end of the electromagnet, makes the connecting rod Rotation resets, and is located at below the movable claw on the movable claw and is provided with shaft reduction torsion spring, the shaft reduction torsion spring Both ends be separately positioned on the bottom plate and movable claw of the shell, further include the shift fork tension spring being arranged on the shift fork, The both ends of the shift fork tension spring are separately positioned in the bottom plate of shell and the shaft of shift fork.

Hook is provided on the connecting rod, the shift fork is mutually stung close to one end of the hook of the connecting rod with the hook It closes.

Ball is provided on the shift fork.

The temperature controller includes apical ring, temperature control bar, the first installation set, temperature control safety plate and the second installation set, and described first Installation is set on the bottom case of the shell, being plugged in first installation set for the temperature control bar axial movement, described The top of second installation set is fixed on the lower part of temperature control bar, and the both ends of the temperature control safety plate are separately positioned on first installation The bottom of set and the lower part of the second installation set, the apical ring is located at the top of the temperature control bar, and the apical ring is in back taper, institute Stating apical ring can be resisted against on the connecting rod to push the link rotatable.

Handle is additionally provided on the other end of the shaft, and the handle is located above the panel being arranged on the shell.

The both ends of the electromagnetic core spring are born against on the electromagnet and connecting rod.

It further include terminal box, the terminal box is fixed on the hull outside wall, and connecing in the terminal box Line terminals respectively with the electromagnet and outside power electric connection.

The top of smoke exhaust fire damper blade rotor, and the lower member of the supporting plate and the shaft is arranged in the supporting plate Occlusion.

The utility model embodiment has the advantages that a kind of smoke exhaust fire damper provided by the embodiment of the utility model executes The mode for replacing all parts and bottom plate electric welding fixation is fixed by using screw or riveted in mechanism, thus available galvanized sheet generation Product is made for cold plate, then saves a large amount of electroplating technology link, more economical environmental protection；In addition, by using more rationally comparing The movable claw torque design of example, so that the electromagnet of executing agency is only needed smaller suction just can make ball and movable claw de- From then acting shaft reset spring, shaft driven to close valve, in the case where executing agency's high sensitivity, due to electromagnetism The case where executing agency caused by iron suction deficiency is failure to actuate reduction；Meanwhile a kind of row provided by the embodiment of the utility model The components of cigarette fireproof valve executing mechanism put arrangement and more save space, more compact, are achieved and are not reducing execution machine Structure torsion and under the premise of not reducing actuating mechanism function, reduces the volume of executing agency, more beautiful economy.

Detailed description of the invention

It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with It is extended according to the attached drawing of offer and obtains other implementation attached drawings.

Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover In enclosing.

Fig. 1 is the schematic perspective view of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model.

Fig. 2 is that smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model removes the plan structure signal after panel Figure.

Fig. 3 is that smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model removes the vertical of a direction after panel Body structural schematic diagram.

Fig. 4 is that smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model removes another direction after panel Schematic perspective view；

Fig. 5 is the internal sectional structure schematic diagram of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model.

Fig. 6 is the structure that smoke-exhaust fire valve actuating mechanism insole board provided by the embodiment of the utility model is matched with supporting plate Schematic diagram.

In figure: 1, bottom plate；2, shell；3, terminal box；31, connecting terminal；4, panel；5, temperature controller；51, apical ring；52, warm Control lever；53, the first installation set；54, temperature control safety plate；55, the second installation set；6, shaft；7, shaft reduction torsion spring；8, handle； 9, shift fork；10, ball；11, electromagnet；12, connecting rod；121, it links up with；13 electromagnetic core springs；14, shift fork tension spring；15, switch pressure Plate；16, microswitch；17, hand-reset steel cable；18, supporting plate；19, movable claw.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection Range.

The term on cited such as "upper", "lower", " left side ", the right side in this specification ", " centre ", is merely convenient to describe Be illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change Under technology contents, when being also considered as the enforceable scope of the utility model.

It as shown in Figures 1 to 6, is a kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model comprising Shell 2, connecting rod 12, shaft 6 and shift fork 9, the connecting rod 12, shaft 6 and dial 9 settings that rotate respectively of fork in the shell On bottom plate 1 in 2, one end of the shift fork 9 and one end of the connecting rod 12 lean, and one end of the shaft 6 and smoke evacuation are anti- The blade rotor of fiery valve connects, and further includes movable claw 19, electromagnet 11, microswitch 16, temperature controller 5 and electromagnetic core spring 13, the movable claw 19 is fixed in the shaft 6, and the shift fork 9, connecting rod 12 and the cooperation of movable claw 19 are so that described Shaft 6 positions after rotating, and the electromagnet 11 and the microswitch 16 are separately positioned on the bottom plate 1 in the shell 2, institute The driving end of the other end and the electromagnet 11 of stating connecting rod 12 is rotatablely connected, the touching of the shift fork 9 and the microswitch 16 Piece leans, and what the temperature controller 5 was axially movable is arranged on the bottom plate 1 in the shell 2, and the top of the temperature controller 5 Portion can be resisted against on the connecting rod 12 that the connecting rod 12 is pushed to rotate, and the electromagnetic core spring 13 is arranged in the electromagnet Reset the rotation of the connecting rod 12 on 11 driving end, the lower section on the movable claw 19 positioned at the movable claw 19 is provided with Shaft reduction torsion spring 7, the both ends of the shaft reduction torsion spring 7 are separately positioned on the bottom plate 1 and movable claw 19 of the shell 2 On, it further include the shift fork tension spring 14 being arranged on the shift fork 9, the both ends of the shift fork tension spring 14 are separately positioned on shell 2 In the shaft of bottom plate 1 and shift fork 9.The smoke-exhaust fire valve actuating mechanism of the utility model, structure design can be put in proportion Big or diminution is produced.The size of area is executed according to valve, the torsion that can independently tune up or reduce shaft reduction torsion spring is big Small or adjustment mechanism volume size.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model is provided with hook on the connecting rod 12 121, the shift fork 9 is engaged close to one end of the hook 121 of the connecting rod 12 with 121 phases of the hook.Meanwhile shift fork 9 is separate The side of the movable claw is provided with switch press plate 15.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model is provided with ball 10 on the shift fork 9. The ball 10 is designed as being engaged design with movable claw 19, and after ball 10 and the disengagement of movable claw 19, the outer circle of movable claw 19 is set Meter makes ball 10 and 19 outer rim of movable claw form thrust, disengages shift fork 9 faster with movable claw 19.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, the temperature controller 5 include apical ring 51, temperature Control lever 52, the first installation set 53, temperature control safety plate 54 and the second installation set 55, first installation set 53 are arranged in the shell On 2 bottom case 1, what the temperature control bar 52 moved axially is plugged in first installation set 53, second installation set 55 Top is fixed on the lower part of temperature control bar 52, and the both ends of the temperature control safety plate 54 are separately positioned on the bottom of first installation set 53 Portion and the lower part of the second installation set 55, the apical ring 51 is located at the top of the temperature control bar 52, and the apical ring 51 is in back taper, The apical ring 51 can be resisted against on the connecting rod 12 that the connecting rod 12 is pushed to rotate.It is described when 5 trigger action of temperature controller The apical ring 51 of temperature controller 5 hits connecting rod 12, to cause connecting rod 12 and the disengaging of shift fork 9, then resets shaft reduction torsion spring 7, The advantages of closing valve, this design is that temperature controller is easy for installation, time saving and saving is artificial.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model is also set on the other end of the shaft 6 There is handle 8, and the handle 8 is located at 4 top of panel being arranged on the shell 2.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, the both ends point of the electromagnetic core spring 13 It is not resisted against on the electromagnet 11 and connecting rod 12.It further include hand-reset steel cable 17, one end of the hand-reset steel cable 17 It is fixedly connected with the connecting rod 12 far from one end of the hook 121, and the other end of the hand-reset steel cable 17 runs through institute State the top for being located at the terminal box 3 after shell 2.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model further includes terminal box 3, the terminal box 3 are fixed on 2 lateral wall of shell, and the connecting terminal 31 in the terminal box 3 respectively with the electromagnet 11 with And external power electric connection.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, the supporting plate 18 are arranged in smoke-exhaust fire The top of valve blade shaft, and the supporting plate 18 is engaged with the lower member of the shaft 6.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, by using the movable claw of rational proportion 19, the design of shift fork 9 and connecting rod 12 makes the shift fork 9 shift fork tension springs 14 for needing smaller pulling force, can both make shift fork 9 and activity Pawl 19 disengages, and the suction for needing electromagnet 11 also greatly reduces, and the volume of electromagnet can be designed and be become smaller, more saved Material and saving space.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, passes through the design of completely new arm of force torque And components space is controlled, and keeps the internal structure of executing agency more compact and reasonable, is achieved and is not being reduced executing agency Under the premise of 7 torsion of function and shaft reduction torsion spring, reduce executing agency's volume, it is not only more beautiful but also more economical.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, the design of the executing agency have taken into account two The mode that kind is mounted on valve main shaft, one is be reality of the bottom with concave-convex clutch design by the pivot design of executing agency Mandrel, when it is mutually twisted with the supporting plate 18 for being welded on valve body spindle top, executing agency can control the folding of valve body hinge； It is hollow shaft that another kind, which is by the pivot design of executing agency, and valve body main shaft is passed through the hollow of executing agency when installation and is turned Then axis is fixed inside and outside two layers of axis with nut together, to realize the control that executing agency opens and closes valve body hinge.For turning The solid or hollow structure type of axis can specifically select solid spindle or hollow rotating shaft according to the objective circumstances of construction site Executing agency, facilitate construction and installation.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model has completely new temperature controller trigger action Design.Original temperature controller trigger process are as follows: the top of temperature controller is temperature control bar, and temperature control bar connection triggering spring works as temperature controller The movement of temperature control bar when, touch triggering spring impact electromagnet and connecting rod, act executing agency.The design of the utility model For, increase the apical ring of an inverted conical shape on the top of the temperature control bar of temperature controller, after fuse sheet disconnects, the apical ring of temperature controller 5 Connecting rod 12 is directly hit, so that connecting rod 12 and shift fork be made to be detached from, causes executing agency's movement.The advantages of this design is both to make The quick and easy for installation of temperature controller is obtained, time saving less manpower also makes the design of mechanism succinct, saves material, saves cost and section Save space.

A kind of smoke-exhaust fire valve actuating mechanism provided by the embodiment of the utility model, by taking normally opened installation executing agency as an example, Illustrate that the realization process of the various control functions of the utility model is as follows:

1, function is turned off manually: pulling the hand-reset steel cable 17 manually, the hook 121 that one end of connecting rod 12 is set It is detached from shift fork 9, ball 10 flicks shift fork 9 outward under the mutual thrust of movable claw 19, and shaft 6 is in shaft reduction torsion spring 7 Active force under rotate clockwise 90 degree, fire resisting damper hinge is closed；Shift fork 9 pushes down microswitch 16, and feedback signal is closed in output.

2, electronic closing function: control centre, which issues shutdown signal, connects the power supply of electromagnet 11, and electromagnetic core overcomes The resistance of electromagnetic core spring 13 is attracted, and is driven in one end, that is, tail portion of connecting rod 12 and is put, 12 other end of connecting rod is made to be provided with hook 121 one end and shift fork 9 are detached from, and shift fork 9 is put outward under the thrust of 19 outer rim of movable claw, and shaft 6 is in shaft reduction torsion spring 7 Under active force, 90 degree are rotated clockwise, fireproof valve blade is closed, and shift fork 9 pushes down microswitch 16, and feedback signal is closed in output.

3, temperature control closing function: when fire occurs, when space temperature reaches 70 degree, the fuse sheet on temperature controller 5 is disconnected, temperature The apical ring 51 for controlling 5 top of device hits connecting rod 12, so that connecting rod is provided with one end and the disengagement of shift fork 9 of hook, shift fork 9 is in movable claw It is put outward under the thrust of 19 outer rims, shaft 6 rotates clockwise 90 degree, fireproof valve blade closes under the action of shaft reduction torsion spring 7 It closes, shift fork 9 pushes down microswitch 16, and feedback signal is closed in output.

4, hand-reset function: after handle 6 pushes 90 degree counterclockwise, shaft 6 is counterclockwise simultaneously under the drive of handle 90 degree of rotation, the notch of 19 outer rim of movable claw is engaged with the ball 10 on shift fork 9 once again at this time, and shift fork 9 is in shift fork tension spring 14 It inwardly swings and withdraws under pulling force, one end that the top of shift fork 9 is just provided with hook 121 with the connecting rod 12 is blocked once again to be engaged Hand-reset is completed in positioning, and fire resisting damper hinge is opened into normally open, and shift fork 9 disengages switch press plate 15, and microswitch 16 is once again It unclamps, exports passive normally opened signal.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (8)

1. a kind of smoke-exhaust fire valve actuating mechanism, which is characterized in that including shell, connecting rod, shaft and shift fork, the connecting rod, The setting that shaft and shift fork rotate respectively is on the intracorporal bottom plate of the shell, one end of one end of the shift fork and the connecting rod It leans, the supporting plate connection on the blade rotor top of one end and smoke exhaust fire damper of the shaft, further includes movable claw, electromagnetism Iron, microswitch, temperature controller and electromagnetic core spring, the movable claw are fixed in the shaft, the shift fork, connecting rod And movable claw cooperates so as to position after shaft rotation, the electromagnet and the microswitch are separately positioned on the shell On intracorporal bottom plate, the driving end of the other end of the connecting rod and the electromagnet is rotatablely connected, the shift fork and the fine motion The contact of switch leans, and the setting that the temperature controller is axially movable is on the intracorporal bottom plate of the shell, and the temperature controller Top can be resisted against on the connecting rod to pushing the link rotatable, the electromagnet is arranged in the electromagnetic core spring Driving resets the rotation of the connecting rod on end, is located at below the movable claw on the movable claw and is provided with shaft reset torsion The both ends of spring, the shaft reduction torsion spring are separately positioned on the bottom plate and movable claw of the shell, further include being arranged in institute The shift fork tension spring on shift fork is stated, the both ends of the shift fork tension spring are separately positioned in the bottom plate of shell and the shaft of shift fork.

2. smoke-exhaust fire valve actuating mechanism according to claim 1, which is characterized in that hook is provided on the connecting rod, The shift fork is mutually engaged close to one end of the hook of the connecting rod with the hook.

3. smoke-exhaust fire valve actuating mechanism according to claim 2, which is characterized in that be provided with ball on the shift fork.

4. smoke-exhaust fire valve actuating mechanism according to claim 3, which is characterized in that the temperature controller includes apical ring, temperature Control lever, the first installation set, temperature control safety plate and the second installation set, first installation are set on the bottom case of the shell, The temperature control bar axial movement is plugged in first installation set, and the top of second installation set is fixed on temperature control bar Lower part, the both ends of the temperature control safety plate are separately positioned on the bottom of first installation set and the lower part of the second installation set, institute State the top that apical ring is located at the temperature control bar, and the apical ring is in back taper, the apical ring can be resisted against on the connecting rod to Push the link rotatable.

5. smoke-exhaust fire valve actuating mechanism according to claim 1, which is characterized in that also set on the other end of the shaft There is handle, and the handle is located above the panel being arranged on the shell.

6. smoke-exhaust fire valve actuating mechanism according to claim 1, which is characterized in that the both ends of the electromagnetic core spring point It is not resisted against on the electromagnet and connecting rod.

7. smoke-exhaust fire valve actuating mechanism according to claim 1, which is characterized in that it further include terminal box, the wiring Box is fixed on the hull outside wall, and the connecting terminal in the terminal box respectively with the electromagnet and outside Power electric connection.

8. smoke-exhaust fire valve actuating mechanism according to claim 1, which is characterized in that the supporting plate is arranged in smoke-exhaust fire The top of the blade rotor of valve, and the supporting plate is engaged with the lower member of the shaft.