CN201593643U

CN201593643U - Remote smoke exhaust valve executing mechanism

Info

Publication number: CN201593643U
Application number: CN2010201057131U
Authority: CN
Inventors: 谢国良
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-26
Filing date: 2010-01-26
Publication date: 2010-09-29
Anticipated expiration: 2020-01-26

Abstract

The utility model provides a remote smoke exhaust valve executing mechanism. The mechanism comprises a wiring board, a micro switch, a pull wire connector, an electric magnet, a rope wheel assembly, a swing rack assembly and a swing rod assembly, wherein the wiring board, the micro switch, the pull wire connector and the electric magnet are fixed on a bottom board in a box body; the rope wheel assembly consists of a rotary shaft, a fixing shaft, a rope wheel disc and a ratchet; the swing rack assembly consists of a swing rack seat and a swing rack; the swing rack is provided with detents which are matched with the ratchet; the swing rack is also connected with a shift rod; the swing rod assembly consists of a swing rod seat and a swing rod; one end of the swing rod is matched with the swing rack, and the other end is connected with the electric magnet; a panel is arranged on the upper part of the box body; and a turning cover is arranged on the panel. A pull rod is arranged on the swing rod. One end of the swing rack is connected with a tension spring which is fixed at the bottom board. A pressure spring is arranged between the swing rod and the electric magnet. Compared with the prior art, the utility model uses the tension spring to replace the torsion spring used in the swing rack, uses the pressure spring to replace the torsion spring in the swing rod, especially removes the manual pushbutton assembly with complicated structure in the prior art, and uses the simple pull rod, therefore the structure is simplified, and the operation is simple and reliable.

Description

Remote exhaust smoke valve actuator

Technical field

The utility model relates to a kind of being installed on the leafy smoke exhaust port of tall building, board-like smoke exhaust port, the air blowing opening etc., be used for remote manually or the electrical signal remote exhaust smoke valve actuator that opens that the valve smoke evacuation uses.

Background technique

Patent No. ZL200620106001.5, name is called the patent of " remote exhaust smoke valve actuator ", though a kind of remote operated actuator also is provided, following shortcoming is arranged on the structure: 1, the structure of its manual part is too complicated, and unreasonable on mechanics; 2, on rocker assembly and fork group frame, all use torsion spring to produce running torque, and the structure of torsion spring, installation, maintenance relative complex all need the top component all are folded down, and the top component is all loaded onto after torsion spring installs again during installation, maintenance.

Summary of the invention

Be to solve the above-mentioned deficiency of prior art, the utility model provides a kind of remote exhaust smoke valve actuator.

The technical scheme in the invention for solving the above technical problem is: a kind of remote exhaust smoke valve actuator comprises the wiring terminal, sensitive switch, the backguy joint that are fixed on the case inner bottom plate; The rope sheave dish, the ratchet that have rotating shaft, dead axle, be installed in rocker on the base plate by the rocker seat, the ratchet that the band torsion spring is arranged on the rocker, ratchet cooperates with aforementioned ratchet, rocker one end is connected with the other end and is fixed on extension spring on the base plate, one end face of rocker cooperates with sensitive switch, also is connected with dead man on the rocker; Be installed in fork on the base plate by swing rod, pendulum pavilion one end cooperates with rocker, and the other end is connected with electromagnet, and there is stage clip the joint; Be fixed with pull bar on the fork between swing rod and connection electromagnet end, there is drawhead the pull bar termination; Also be connected with mobilizable renovating on the described panel, renovate and to operate dead man and pull bar after digging.

Compared with prior art, advantage of the present utility model is: replaced the torsion spring in the rocker with the extension spring band, replaced the torsion spring in the fork with stage clip, designs simplification is convenient to install, safeguard; Particularly remove baroque hand push button assembly of the prior art, replaced simple pull bar, designs simplification not only, and also operation is simple and reliable.

Description of drawings

Fig. 1 is front schematic view of the present utility model (a no panel);

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1.

Among the figure: 1. casing, 2. base plate, 3. Steel Cable, 4. backguy joint, 5. tension disc, 6. stop screw, 7. rocker seat, 8. rocker, 9. sensitive switch, 10. drawhead, 11. rotating shaft, 12. rope sheave dishes, 13. ratchets, 14. ratchets, 15. torsion springs, 16. pawl axis, 17. forks, 18. pull bars, 19. electromagnet, 20. stage clips, 21. extension spring, 22. contour covers, 23. wire boards, 24. contour covers, 25. axle, 27. dead mans, 28. renovate, 29. panels.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

On base plate 2, be screwed into stop screw 6, be screwed backguy joint 4, distinguish link plate 23, sensitive switch 7 by contour cover 22, angle bar with screw, base plate 2 passes through four contour cover 24 riveted fixing on casing 1, panel 29 is fixed on the casing 1 by four jiaos of screwings, have on panel 29 neutral positions can open renovate 28.

Entire mechanism is formed by resetting, control two-part, and the part that resets is made up of rope sheave assembly, rocker assembly again, and control section is made up of electromagnet, oscillating bar assembly.

The rope sheave assembly: dead axle 25 usefulness nuts are fixed on the base plate 2, rope sheave dish 12, ratchet 13 be upper and lower clamps rotating shaft 11, be screwed and be integral, tension disc 5 is screwed on rope sheave dish 12, the rope sheave dish that assembles is enclosed within on the dead axle 25, pass the groove internal fixation that dead axles are inserted in rotating shaft 11 with the screw side direction again, prevent that it from along the dead axle play that makes progress, can only make it rotate along dead axle.

The rocker assembly: rocker seat 7 usefulness nuts are fixed on the base plate 2, the intrinsic dead man 27 of one end pin of rocker 8, the lower end surface of the other end with sensitive switch 9 cooperations, top and the extension spring 21 on being fixed on base plate 2 be connected, extension spring makes rocker have anticlockwise moment of torsion, and the rocker screw passes rocker 8 from the top down and is fixed on the rocker seat 7.

The pawl axis 16 that has torsion spring 15 passes rocker 8 rivet clasps from bottom to top on rocker, and ratchet 14 usefulness jump rings are fixed on the termination of pawl axis 16, and the two ends of torsion spring 15 are hooked in respectively on ratchet 14 and the rocker 8, make ratchet 14 have the moment of torsion that clockwise rotates.

Electromagnet, oscillating bar assembly: electromagnet 19, swing rod 26 is screwed on base plate 2, the pendulum pavilion 17 by screw on swing rod 26, the tail end of fork is screwed on the moving iron core of electromagnet 19, between fork 17 and the electromagnet 19 stage clip 20 is arranged, make fork 17 have the moment of torsion that clockwise rotates.

On the fork 17, be fixed with pull bar 18 between swing rod 26 and connection electromagnet 19 ends, the tail end of pull bar 18 has drawhead 10.Pull bar 18 also can be positioned at the opposite side of swing rod 26.The lateral length of pull bar 18 can be set flexibly, can be as short as zero, promptly directly drawhead 10 is fixed on the fork 17.

Steel Cable 3 passes the long lumbar hole on backguy joint 4, the rope sheave dish 12 respectively, passes an end of tension disc 5 usefulness screw in compression Steel Cables 3.

The hand reset process:

During hand reset, stir dead man 27 on the rocker 18 with the hand clockwise direction, it is interior motionless that rocker 8 rotates the breach that its head is snapped on the fork 17, fork 17, rocker 8 is respectively at stage clip 20, extension spring 21 is suitable, the effect of moment of torsion is issued to balance counterclockwise, automatically do not hook and can rotate, ratchet 14 also is close to ratchet 13 under the effect of torsion spring 15 simultaneously, ratchet 14, ratchet 13 engagements stop rotating shaft 11 counterclockwise to be rotated, at this moment handle is inserted (not shown) in rotating shaft 11 through holes, clockwise direction is pulled handle, drive rotating shaft 11 whole and on Steel Cable 3 rotate and tighten up, reach the purpose of throttle down by Steel Cable 3 pulling valves.

The electromagnet course of action:

Need open exhaust smoke valve when smoke evacuation if run into fire alarm, can make electromagnet 19 energisings, the moving iron core of suction inwardly contracts and moves, electromagnet 19 drives pendulum pavilion 17 rotation counterclockwise simultaneously, make pendulum pavilion 17 breach throw off the head of rocker 8, the balance of fork 17, rocker 8 is destroyed, rocker 8 counterclockwise rotates, its afterbody stops action after running into stop screw 6, ratchet 14 is thrown off the engagement with ratchet 13, removed the stopping function that rotating shaft 11 is counterclockwise rotated, Steel Cable 3 unclamps the pulling to valve, and valve is opened under the effect of self extension spring and discharged fume.

Manual procedure:

Renovating on the panel 29 28 closed when flat, prevent that dust and foreign matter from falling into misoperation in the casing 1, also can directly open during fire alarm and renovate 28 on the panel, hand-held drawhead 10 pulling pull bars 18, pendulum pavilion 17 is counterclockwise rotated, make pendulum pavilion 17 breach throw off the head of rocker 8, fork 17, the balance of rocker 8 is destroyed, rocker 8 counterclockwise rotates, its afterbody stops action after running into stop screw 6, and ratchet 14 is thrown off the engagement with ratchet 13, has removed the stopping function that rotating shaft 11 is counterclockwise rotated, Steel Cable 3 unclamps the pulling to valve, and valve is opened under the effect of self extension spring and discharged fume.

Claims

1. a remote exhaust smoke valve actuator comprises: be fixed on the wire board (23) on casing (1) inner bottom plate (2), sensitive switch (9), backguy joint (4), electromagnet (19); Rope sheave assembly by rotating shaft (11), dead axle (25), rope sheave dish (12), ratchet (3) formation; Rocker assembly by rocker seat (7), rocker (8) constitute has the ratchet (14) that cooperates with ratchet (3) on the rocker (8), also be connected with dead man (27) on the rocker (8); Oscillating bar assembly by swing rod (7), fork (17) formation; One end of fork (7) cooperates with rocker (8), and the other end is connected with electromagnet (19); Panel (29) is arranged at the top of casing (1), and panel is renovated (28) on (29); It is characterized in that pull bar (18) is arranged on the described fork (7).

2. a kind of remote exhaust smoke valve according to claim 1 actuator, the extension spring (21) on it is characterized in that rocker (8) one ends and being fixed on base plate (2) is connected.

3. a kind of remote exhaust smoke valve according to claim 1 and 2 actuator is characterized in that between fork (17) and the electromagnet (19) stage clip (20) being arranged.