CN2607156Y - Smoke-proof fire-proof valve - Google Patents

Abstract

The utility model relates to a smokeproof and fire resisting damper. An electrical control circuit is provided with an over-voltage protection diode; the starting lock plate of a locking device is arranged on the principal axis of the actuating mechanism; a heat detector is fixedly positioned on the base, and the stretching axle of the heat detector is covered by the baffle of the heat detector; and the baffle is tensed by an extension spring which is arranged on a direct current electromagnet, and the other end of the heat detector is arranged on the base; a starting handle is arranged on the principal axis of the actuating mechanism. The valve is provided with a stainless steel vane axle, and an elastic stainless steel sealing reed is arranged between the vane and the shoulder bracket. The valve of the utility model can shut off automatically through the central control or when the interlocking vent fan and the heat detector acts, or the valve can be manually shut off; and the effect of the over-voltage is avoided, therefore, the electrical component are protected. The utility model has a good sealing performance, long life span, few leaking quantity and heavy loading capacity, and can control the 1 m <2> valve gate. Therefore, the utility model is suitable in the vent air-conditioner or in the smoke protecting-discharging system in the major building.

Description

The Smoke proofing and fire proofing valve

Technical field

The utility model belongs to the Smoke proofing and fire proofing valving that a kind of building uses.

Background technology

In some important buildings, almost be equipped with automatic fire alarm system, the Smoke proofing and fire proofing valve need be set at the corresponding site of air conditioner and smoke control system.In use, the Smoke proofing and fire proofing valve is often opened at ordinary times, when breaking out of fire, sends the signal of telecommunication by fire protection control center and makes executing agency action, and valve is closed automatically, or the heat detector action closes valve automatically, stops flue gas to spread.The output Coordinated Control Signal behind the fire, reopens the Smoke proofing and fire proofing valve.Existing Smoke proofing and fire proofing valve connects executing agency by the vane type valve body, and following technological deficiency is arranged: 1, close extension spring and be arranged on valve inner, maintenance and replacing spring must be pulled down valve from pipeline, very inconvenient.2, blade does not adopt elongated axle to reinforce, and rigidity is low, be subjected to blast and be heated after all yielding, the valve inleakage is big, fire resistance is poor, and is especially obvious for big specification valve.3, sharf adopts common iron to make, because the Smoke proofing and fire proofing control valve is in non-action state after installing for a long time, less than two trienniums, sharf gets rusty, and blade promptly can not be opened or be closed, and fire resisting damper performs practically no function.4, place, the operation slit of valve blade and blade shaft shoulder support does not have reliable seal approach, and the valve inleakage is big.5, the unlatching handle of executing agency and blade main shaft adopt plain screw fastening, and bearing capacity is low, cause valve opening, when closing, and the blade angle degree easily produces displacement.6, the inner hook of executing agency, back shaft adopt common iron to make, and the back executing agency of getting rusty is a cisco unity malfunction.7, in the actuating mechanism controls circuit, diode overvoltage protection loop is not set.DC electromagnet action finishes, and originally the coil of connecting with DC voltage disconnects suddenly, and the overvoltage that the induction of coil two ends produces will be destroyed and insulate and the adverse consequences of generation damage executing agency and control centre's electrical equipment.8, heat detector overcoat, heat detector axle all adopt common iron to make, and promptly get rusty after a period of time, and after the fuse sheet fusing, the heat detector axle promptly can not action message.

Summary of the invention

The utility model provides a kind of improved Smoke proofing and fire proofing valve; extension spring replacing inconvenience is closed in solution, the valve inleakage is big; fire resistance is poor, service life is short, valve seal is unreliable, executing agency's bearing capacity is low, the blade angle degree easily produces displacement, in the actuating mechanism controls circuit, diode overvoltage protection loop, flimsy problem are not set.

The technical solution of the utility model: Smoke proofing and fire proofing valve; connect executing agency by the vane type valve body; executing agency comprises DC electromagnet; locking device; heat detector; microswitch; the switch baffle plate; terminal board; open handle and electric control circuit; the vane type valve body is by outside framework; blade; sharf; axle sleeve; the blade clamping plate; blade is strengthened axle; linkage; blade is closed baffle plate; the extension spring of closing that is arranged on the valve is formed; it is characterized in that: electric control circuit contains the overvoltage protection diode; locking device comprises the unlatching lockplate; Removable hook; moving iron core hook; the compression spring; turriform compression spring; torsionspring; unlatching lockplate in the locking device is arranged on mechanism's main shaft; staple for strap end and Removable hook are sealed; moving iron core hook is arranged on the bolster of base; its end and DC electromagnet join; buckle end and Removable hook are sealed; one end of compression spring is arranged on the base; the other end pastes mutually with Removable hook; turriform compression spring housing is on DC electromagnet; one end pastes mutually with moving iron core hook; torsionspring one end is fixed on the base; the other end is fixed on to be opened on the lockplate; heat detector is fixed on the base; the projecting shaft of heat detector is blocked by the heat detector baffle plate; baffle plate is set at the extension spring tension on the DC electromagnet again; the other end of heat detector baffle plate is arranged on the base; manually pull hook is arranged on the base; the closely moving iron core hook of pull hook termination; open handle and be arranged on mechanism's main shaft, microswitch contacts with the switch baffle plate.

Above-mentioned valve adopts and adopts stainless steel elastic packing reed between stainless steel blade axle, blade and shaft shoulder support.

Above-mentioned axle sleeve is the brass axle sleeve.

The above-mentioned extension spring of closing is arranged on the valve outside.

Above-mentioned executing agency is connected with valve body and adopts the universal joint shaft clamp, and the going up of universal joint shaft clamp connects clamp and be arranged on the connecting axle, and following connection clamp is arranged on not on the steel sharf.

Above-mentioned unlatching handle and sharf are fastening by the recessed end holding screw of hexagonal in the high rigidity.

Beneficial effect: 1, realize closing automatically by the fire protection control center by-pass valve control.2, output valve shutdown signal.3, many deck valves door can realize moving simultaneously or connecting action.4, manually opened, close conveniently.5, to unload force rate big for mechanism design, has control 1m ²The valve ability.6, the DC electromagnet operating current only needs 0.4A.7, because of using stainless steel blade axle, brass axle sleeve valve to have long-term service life, do not need multipurpose lubricant.8, the moving iron core of stainless steel is linked up with, the stainless steel back shaft because of using, the stainless steel Removable hook, and executing agency has long-term service life.9, because of using stainless steel elastic packing reed valve to have excellent sealing ability.10, the valve closing extension spring is arranged on the valve outside, and convenient for maintaining is changed spring.11, sharf adopts elongated axle, has excellent sealing ability and fire resistance.12, heat detector overcoat, heat detector axle all adopt stainless steel to make, and heat detector has long-term service life.13, be provided with diode overvoltage protection loop in the electric control circuit and can effectively protect executing agency, the fire protection control center electrical equipment is not damaged.14, because of being connected with valve body, executing agency adopt universal joint shaft clamp, valve blade to open, close flexible, fluent.15, because of the connecting axle of fastening unlatching handle of the recessed end holding screw of hexagonal and universal joint shaft clamp in the employing high rigidity, bearing capacity is big, valve blade unlatching, unshift when closing, and the blade opening angle is constant all the time.Be applicable to the corresponding site setting of the air conditioner and the smoke control system of important building.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the profile of the A-A of Fig. 1;

Fig. 3 is the upward view of Fig. 1;

Fig. 4 is the profile of the B-B of Fig. 2;

Fig. 5 is the enlarged drawing of Fig. 1;

Fig. 6 is electric control theory figure of the present utility model;

Fig. 7 is the structural representation of the utility model actuating mechanism;

Fig. 8 is the profile of the C-C of Fig. 7.

The specific embodiment

Shown in 1,2 figure: this Smoke proofing and fire proofing valve body is closed baffle plate 9 and is formed by outside framework 1, blade 2, stainless steel blade axle 3, stainless steel elastic packing reed 4, brass axle sleeve 5, blade clamping plate 6, blade reinforcement axle 7, linkage 8, blade.Executing agency 11 is connected with valve body and adopts universal joint shaft clamp 12, and the recessed end holding screw 13 of hexagonal will be opened handle and be fastened on above 12 of the universal joint shaft clamps in the high rigidity, and heat detector 14 is arranged on valve inner.

Shown in 3 figure: valve closing extension spring 10 is arranged on the valve outside.

Shown in 4 figure: sharf 3 is stainless steel blade axles, is equipped with U-shaped or basin shape stainless steel elastic packing reed 4 between blade 2 and shaft shoulder support.Axle sleeve 5 is brass axle sleeves.

Shown in 5 figure: the connection clamp 33 of going up of universal joint shaft clamp is arranged on the connecting axle 34, and following connection clamp 35 is arranged on the stainless steel blade axle 3.

Shown in 6 figure: electric controling line route DC electromagnet 15, diode 16, microswitch 17, heat-resisting wire 18, terminal board 19, switch baffle plate 20 are formed.

Shown in 7,8 figure: comprise DC electromagnet 15 in the executing agency, be located at heat detector 14, microswitch 17 on the valve.Locking device comprises opens lockplate 21, Removable hook 22, moving iron core hook 23, compression spring 24, turriform compression spring 25, torsionspring 26.Unlatching lockplate 21 in the locking device is arranged on mechanism's main shaft 27, staple for strap end and Removable hook 22 are sealed, moving iron core hook 23 is arranged on the bolster of base 28, its end and DC electromagnet 15 join, buckle end and Removable hook 22 are sealed, one end of compression spring 24 is arranged on the base 28, the other end pastes mutually with Removable hook 22, turriform compression spring 25 is enclosed within on the DC electromagnet 15, one end pastes mutually with moving iron core hook 23, torsionspring 26 1 ends are fixed on the base 28, and the other end is fixed on to be opened on the lockplate 21.Heat detector 14 is fixed on the base 28, and the projecting shaft of heat detector 14 is blocked by heat detector baffle plate 29, and baffle plate 29 is set at extension spring 30 tensions on the DC electromagnet 15 again.The other end of heat detector baffle plate is arranged on the base 28.Manually pull hook 31 is arranged on the base 28, and the closely moving iron core hook 23 of pull hook termination is opened handle 32 and is arranged on mechanism's main shaft 27.Microswitch 17 contacts with switch baffle plate 20.The connection clamp 33 of going up of universal joint shaft clamp is arranged on the connecting axle 34, and following connection clamp 35 is arranged on the stainless steel blade axle 3.

The course of work:

One, valve opening action, 1, manually opened valve working personnel driving handle counter clockwise direction rotating mechanism main shaft, be arranged on the unlatching lockplate on mechanism's main shaft, promote the swing of Removable hook and moving iron core hook, after the valve blade is opened into fully open position, under compression spring and the effect of turriform spring force, unlatching lockplate, Removable hook, moving iron core hook lock together, and the Open valve blade is to the standard-sized sheet handle.

Two, door closing motion, 1, electronic valve-off: fire protection control center sends the signal of telecommunication (DC24V) by 1. and 2. input dc power magnet of binding post, DC electromagnet moves the iron core adhesive, affect moving iron core hook to throw off with Removable hook, executing agency's main shaft is opened lockplate and Removable hook disengagement under the effect of valve main shaft spring force, and valve is closed rapidly clockwise.2, heat detector action valve-off: when air-flow reached controlled temperature in the pipeline when fire took place, fuse sheet fusing on the heat detector, the heat detector main shaft is thrown off to bottom offset and heat detector baffle plate, the moving iron core hook of heat detector baffle plate promotion rotates counterclockwise with Removable hook and throws off under the effect of extension spring power, mechanism's main shaft is opened lockplate and Removable hook disengagement under the effect of valve main shaft spring force, and valve is closed rapidly clockwise.3, valve-off manually: when the staff pulled the key circle, manually pull hook drove moving iron core hook and throws off with Removable hook, and under the effect of valve main shaft spring force, mechanism's main shaft is opened lockplate and Removable hook disengagement, and valve is closed rapidly clockwise.4., 5. binding post exports interlock control signal behind the valve closing, 3. binding post exports series connection closing motion signal, when the DC electromagnet outage quit work, the diode discharge loop in the circuit made the stored energy consumption of DC electromagnet inductance in the resistance of self.

Claims (6)

1; a kind of Smoke proofing and fire proofing valve; connect executing agency by the vane type valve body; executing agency comprises DC electromagnet; locking device; heat detector; microswitch; the switch baffle plate; terminal board; open handle and electric control circuit; the vane type valve body is by outside framework; blade; sharf; axle sleeve; the blade clamping plate; blade is strengthened axle; linkage; blade is closed baffle plate; the extension spring of closing that is arranged on the valve is formed; it is characterized in that: electric control circuit contains the overvoltage protection diode; locking device comprises the unlatching lockplate; Removable hook; moving iron core hook; the compression spring; turriform compression spring; torsionspring; unlatching lockplate in the locking device is arranged on mechanism's main shaft; staple for strap end and Removable hook are sealed; moving iron core hook is arranged on the bolster of base; its end and DC electromagnet join; buckle end and Removable hook are sealed; one end of compression spring is arranged on the base; the other end pastes mutually with Removable hook; turriform compression spring housing is on DC electromagnet; one end pastes mutually with moving iron core hook; torsionspring one end is fixed on the base; the other end is fixed on to be opened on the lockplate; heat detector is fixed on the base; the projecting shaft of heat detector is blocked by the heat detector baffle plate; baffle plate is set at the extension spring tension on the DC electromagnet again; the other end of heat detector baffle plate is arranged on the base; manually pull hook is arranged on the base; the closely moving iron core hook of pull hook termination; open handle and be arranged on mechanism's main shaft, microswitch contacts with the switch baffle plate.

2, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: described valve adopts and adopts stainless steel elastic packing reed between stainless steel blade axle, blade and shaft shoulder support.

3, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: described axle sleeve is the brass axle sleeve.

4, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: the described extension spring of closing is arranged on the valve outside.

5, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: be connected by the universal joint shaft clamp between described executing agency and the valve body, the going up of universal joint shaft clamp connects clamp and is arranged on the connecting axle, and following connection clamp is arranged on not on the steel sharf.

6, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: described unlatching handle and sharf are fastening by the recessed end holding screw of hexagonal in the high rigidity.

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