CN206145209U - Mechanical valve gear of components of a whole that can function independently cone portion - Google Patents

Abstract

The utility model provides a mechanical valve gear of components of a whole that can function independently cone portion, including valve body, mount, temperature -sensitive glass ball, kinetoplast, regulating wheel, case, spring, spring holder, cone portion and nut, the case assemble in the valve body, and cone portion, spring holder and spring are connected according to the preface in the case, and the case is the through -hole in the one end of coupling spring, the one end coupling spring seat of spring, and the inner wall of one end connection valve body in addition, the spring is compression state, the wall connection of kinetoplast and case is spacing with the case, cone portion includes first cone and second cone, and first cone is a circular lamellar body, and a screw hole has been offered in the centre of a circle of first cone, has offered two air vents in the first cone, the second cone is a cavity barrel, and the external screw thread has been offered to the one end of second cone, and one end is the point form in addition. The utility model discloses cone part style structure, parts machining is easy, reduces material cost, and the bend angle and the fixed muscle of mount have improved intensity and rigidity, and life is longer.

Description

A kind of mechanical valve device of split cone portion

Technical field

The utility model is related to technical field of fire control, and in particular to one kind with compressed air as working media transmitting fortune Dynamic and power, the mechanical valve device of positive opening ventilating mechanisms after catching fire.

Background technology

Be provided with air hole in various buildings at present, for can automatically turn on or close the patent numbers of air hole compared with It is many, be mostly to be controlled by single-chip microcomputer and motor, complex structure, high cost and need supply unit, due to required drive it is complete Portion is provided by electric energy, once lacking electric energy, the device for being turned on and off air hole will be unable to work, so as to lose its whole work( Energy.

Now, fire is the common wicked problems that the people of other countries are faced, and it is caused to human society Many life, the heavy losses of property.With expanding economy, be seen everywhere skyscraper in city, due to story height, body Measure big, densely populated place, escape stair few, once there is fire, consequence is hardly imaginable.It is to cause according to building fire statistics flue gas The main cause of 80% or so casualties, CO, the NH3 in flue gas etc. are virose gas, meanwhile, substantial amounts of CO2 Gas and burning post consumption fall oxygen in air, cause human body anoxia and suffocate；Substance combustion produces amount of heat during fire, Flue-gas temperature is set to raise rapidly, incipient fire（5~20min）Up to 250 DEG C, high temperature can also make one to faint, burn flue-gas temperature ；When light passes through flue gas, luminous intensity weakens, and visibility is reduced, and is unfavorable for the evacuation of personnel, affects the rescue work of fire fighter Make, according to relevant research, in the horizontal direction diffusion velocity is 0.3～0.8m/s to the rate of propagation of flue gas, speed is spread vertically upward Degree is 3～4m/s, and the diffusion velocity of flue gas is fast, therefore, produce in fire big is timely and effectively excluded when there is fire Amount flue gas, arranges heat extraction vent window and is just particularly important in all kinds of buildings.Existing fire-fighting heat extraction vent window, structure design Generally comprise the Smoke Sensor that is connected on switch board by wired or wireless way and temperature sensor, including motor and subtract Fast machine and brake in interior mechanical driving device, when smog, temperature sensor detect fire signal, can first when Between pass the signal to switch board, switch board control machinery transmission device opens heat extraction vent window, and this structure design result in Equipment cost is higher, and is reaching the purpose for opening heat extraction vent window by consuming the energy.

There is fire in building and produce a large amount of high temperature dense smokes and toxic gas, linkage vent window is often because power-off cannot make With manual vent window affects fire fighter to carry out fire fighting and rescue and autoprotection also because of unmanned unlatching.Application No. A kind of dual-purpose window Pneumatic opening device of manual, automatic control of 201510249853.3 disclosure of the invention, using gas cylinder come Transom window is opened, without electric available Embarrassing borders when can avoid fire.However, the opening device yet suffers from very big deficiency, such as 1, Fixed mount needs elastic cylinder pin connection in valve body connection, has a disadvantage in that elastic cylindrical pin assembling is difficult, Elastic Circular after assembling Pin external diameter is inconsistent, and elastic cylindrical pin has loosening, come off risk；2nd, nut and valve body screw thread connecting length are short, such as in high pressure In the case of threaded connection failure after cause to cause whole defective valve etc..

Therefore, there are some technical problems anxious to be resolved in the mechanical valve device of prior art.

Utility model content

For drawbacks described above, the purpose of this utility model is to provide one kind and has simple structure intensity big, stable performance Mechanical valve device, to solve the technical problem of prior art.

For achieving the above object, the utility model employs following technical scheme：

A kind of mechanical valve device of split cone portion, including a valve body, a fixed mount, a temperature sensing glass ball, a kinetoplast, one Left regulation wheel, a valve element, a spring, a spring base, a cone portion and a nut, annexation therein is, the fixed mount, sense Warm glass marble, kinetoplast and left regulation wheel sequentially connect, and the valve element is assemblied in the valve body, the cone portion, spring base and bullet Spring sequentially connects in valve element, and the valve element is through hole in the one end for connecting the spring, and one end connection of the spring is described Spring base, other end connects the inwall of the valve body, and the spring is oppression state；The outer wall of the kinetoplast and the valve element Connection, the valve element is spacing；The cone portion includes one first cone and one second cone, wherein, first cone is One circular lamellar body, the center of circle of first cone offers a screwed hole, two passages is offered in first cone；Institute It is a hollow cylinder to state the second cone, and one end of second cone offers external screw thread, and other end is pointed shape.

According to the mechanical valve device described in the utility model embodiment, the fixed mount include a stator, a support chip, One holding piece and a fixing muscle, the stator is a lamellar body, and the stator offers a ball location hole, the stator One end and the support chip connect, and the angle of connection is more than 90 degree；The support chip be a lamellar body, one end of the support chip and The stator connection, other end connects respectively the holding piece and fixing muscle；The holding piece be a lamellar body, the clamping Piece offers a regulation through hole；The fixing muscle is an elongated lamellar body, and the position of the correspondence fixing muscle, opens up on the valve body There is a positioning groove, the fixing muscle insertion connects the positioning groove.

According to the mechanical valve device described in the utility model embodiment, the valve body offer two air inlets, two go out Gas port, an exhaust outlet and a kinetoplast connector, described two air inlets, two gas outlets and a kinetoplast connector each connect one The internal threaded column of valve body is protruded from, the outer surface of the internal threaded column connects at least two reinforcements；The valve body is to be cast into Type.

The design philosophy of the application is, using suitable material, convenient processing technology, to manufacture satisfactory product, Both the requirement of fire-fighting can have been reached, cost can have been reduced again, increase the purpose of enterprise profit, and, processing is easier, and gives up Material is less.

Technical characteristic as a result of more than so that the utility model have the following advantages compared to prior art and Good effect：

Firstth, the application increased the bending angle and fixing muscle of fixed mount, improve the intensity and rigidity of mechanical valve, Improve the accuracy and speed of assembling；

Secondth, the application carries out structure reform on the basis of existing, increases reach and sealing bottom surface, low cost work( Effect is big, improves service life；

3rd, the application adopts cone portion split-type structural, part handling ease to reduce material cost.

Certainly, implement any one specific embodiment of the utility model content, might not simultaneously have all of the above Technique effect.

Description of the drawings

Fig. 1 is the schematic appearance of the application；

Fig. 2 is the structural representation of the application；

Fig. 3 is the fixed mount schematic diagram of the application；

Fig. 4 is the nut of the application and sealing ring schematic diagram；

Fig. 5 is the cone portion schematic diagram of the application；

Fig. 6 is the valve body schematic appearance of the application；

Fig. 7 is the valve element schematic appearance of the application；

Fig. 8 is the fundamental diagram of the application.

Specific embodiment

For ease of understanding, preferred embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.

A kind of ventilator cowling Pneumatic opening device of fire-fighting, including cylinder, mechanical valve device, magnetic valve and source of the gas；It is described Cylinder includes cylinder body, push rod, piston, and cylinder body is divided into ante-chamber and back cavity by the piston in the cylinder body, and ante-chamber is provided with push rod, push rod With piston fixed in position and with reciprocating motion of the pistons, the top of push rod is flexibly connected with smoke-discharging and ventilating cover；The mechanical valve device Connecting a gas cylinder, being used for opening ventilator cowling when there is fire；Fig. 1 and Fig. 2 is refer to, the mechanical valve device includes one Valve body 10, a fixed mount 20, a temperature sensing glass ball 31, a kinetoplast 32, a left regulation wheel 33, a valve element 41, a spring 42, a spring A seat 43, one cone portion 44 and nut 51, annexation therein is, the fixed mount 20, temperature sensing glass ball 31, the and of kinetoplast 32 Left regulation wheel 33 sequentially connects, and the valve element 41 is assemblied in the valve body 10, and the cone portion 44, spring base 43 and spring 42 exist Sequentially connect in valve element 41, the valve element 41 is through hole in one end of connecting spring 42, one end connection of the spring 42 is described Spring base 43, other end connects the inwall of the valve body 10, and the spring 42 is oppression state；The kinetoplast 32 and the valve The outer wall connection of core 41, the valve element 41 is spacing, and spacing mode is, in the groove of the outer wall of the insertion valve element 41 of kinetoplast 32, So that valve element 41 is immovable.

In addition, refer to Fig. 3, the fixed mount 20 includes that a stator 21, a support chip 22, a holding piece 23 and are solid Determine muscle 24, fixed mount 20 adopts integrated aluminium section structure, and the stator 21 is a lamellar body, and the stator 21 offers one Ball location hole 25, one end of the stator 21 and the support chip 22 connect, and the angle of connection is more than 90 degree, this hypotenuse Design, can increase the rigidity of fixed mount 20；The support chip 22 is a lamellar body, one end of the support chip 22 and the fixation Piece 21 connects, and other end connects respectively the holding piece 23 and fixing muscle 24；The holding piece 23 be a lamellar body, the clamping Piece 23 offers a regulation through hole 26；The fixing muscle 24 is an elongated lamellar body, the correspondence fixing muscle 24 on the valve body 10 Position, offer a positioning groove 16, the insertion connection of the fixing muscle 24 positioning groove 16, using fixing muscle 24 and fixed The combination design of position groove 16, can avoid elastic cylindrical pin assembling risk not in place and loose or dislocation, assemble up more just Victory, and, groove structure is designed on valve body 10, mould is integrally formed, and positions and dimensions accurately, remove the work of processing circular hole from When, reduces cost.

Additionally, refer to Fig. 4, also including a sealing ring 52, the sealing ring 52 connects the bottom surface of the nut 51, nut After 51 screw, sealing property is more preferably, relatively reliable；In the application, the screw thread that nut 51 and valve body 10 connect is increased to by 4mm 6mm, connection is more preferably reliable, strengthens the bulk strength and pressure performance of valve body 10；Meanwhile, also the thin-walled of nut 51 is gone out to increase 1mm Thickness is strengthening the bulk strength of nut 51.

Further, Fig. 5 is refer to, the cone portion 44 includes one first cone 441 and one second cone 442, wherein, it is described First cone 441 is a circular lamellar body, and the center of circle of first cone 441 offers a screwed hole, in first cone 441 Two passages 443 are offered, increasing passage 443 can increase ventilation flow rate, and reaction is more rapidly；Second cone 442 For a hollow cylinder, one end of second cone 442 offers external screw thread, and other end is pointed shape.By cone portion 44 1 It is divided into two design, that is, is changed to split-type structural, part handling ease reduces material cost, the first cone 441 and second Cone 442 adopts threaded connection, and spacing with end face, it is ensured that the relative position of the first cone 441 and the second cone 442, in addition, Again increase bond strength at screw thread is coated in fastening glue.

At the aspect of valve body 10, Fig. 6 is refer to, change the mode of the cutting drilling on rod iron originally, be changed to using aluminium die casting Shaping, weight is reduced to 106 grams, does not affect product pressure resistance by original 230 grams, and whole valve is pressure to can reach 9MPa；It is described Valve body 10 offers two air inlets, 11, two gas outlets 12, an exhaust outlet 13 and a kinetoplast connector 14, described two air inlets The kinetoplast connectors 14 of 11, two gas outlets of mouth 12 and each connect an internal threaded column for protruding from valve body 10, the internal thread The outer surface of post connects at least two reinforcements 15, effectively prevents from being ftractureed during assembling, and in the application, the quantity of reinforcement 15 is four It is individual, but can not be used for limiting the application, and as long as enhanced purpose can be reached, such as three or five, all should be this Shen Protection domain please.Surface treatment adopts hardening oxidation, increases surface anticorrosion corrosion and wearability, and surface vickers hardness hv is more than Equal to 350, anticorrosion can reach neutral salt spray test 96 hours, and performance was lifted more in the past.

Also have plenty of, refer to Fig. 7, in the application, the material of valve element 41 is changed to aluminium alloy by copper, and weight is by 90 grams of reductions To 25 grams, material cost is significantly reduced；, using hardening oxidation process, not only again raising surface was hard for anticorrosion for aluminium alloy Degree, surface vickers hardness hv is more than or equal to 350, and anticorrosion can reach neutral salt spray test 96 hours；Compared to what is used originally Copper, using acid wash passivation process, simply anticorrosion hardness is constant, and vickers hardness hv is between 110-130, and performance is more conventional for copper Lifted.

Refer to Fig. 8, the fundamental diagram of the application mechanical valve device, under normal operating condition, port PA and A, PB and B Communicate, ventilator cowling can be opened and closed；Such as under the state of catching fire, environment temperature reaches the critical-temperature of temperature sensing glass ball 31, temperature-sensitive Glass marble 31 ruptures, and moves on kinetoplast 32, under spring force, promotes valve element 41 to make the ejection of cone portion 44 puncture CO2 high pressure The seal of gas cylinder, A mouths cause ventilator cowling positive opening by Compressed CO_2 active force, and B implications pressure is discharged by exhaust outlet E mouths, PA and PB mouths are closed, and ventilator cowling forbids any instruction.

Technical characteristic as a result of more than so that the utility model have the following advantages compared to prior art and Good effect：

Firstth, the application increased the bending angle and fixing muscle of fixed mount, improve the intensity and rigidity of mechanical valve, Improve the accuracy and speed of assembling；

Secondth, the application carries out structure reform on the basis of existing, increases reach and sealing bottom surface, low cost work( Effect is big, improves service life；

3rd, the application adopts cone portion split-type structural, part handling ease to reduce material cost.

Certainly, implement any one specific embodiment of the utility model content, might not simultaneously have all of the above Technique effect.Disclosed above is only preferred embodiment of the present utility model, but is not used for limiting itself, any ripe Those skilled in the art is practised in the case of without prejudice to the utility model spiritual connotation, the impartial change done and change, Should fall in protection domain of the present utility model.

Claims (3)

1. a kind of mechanical valve device of split cone portion, an including valve body, a fixed mount, a temperature sensing glass ball, a kinetoplast, one adjust Section wheel, a valve element, a spring, a spring base, a cone portion and a nut, annexation therein is, the fixed mount, temperature-sensitive Glass marble, kinetoplast and left regulation wheel sequentially connect, and the valve element is assemblied in the valve body, the cone portion, spring base and spring Sequentially connect in valve element, the valve element is through hole in the one end for connecting the spring, one end of the spring connects the bullet Spring abutment, other end connects the inwall of the valve body, and the spring is oppression state；The outer wall of the kinetoplast and the valve element connects Connect, the valve element is spacing；Characterized in that, the cone portion includes one first cone and one second cone, wherein,

First cone is a circular lamellar body, and the center of circle of first cone offers a screwed hole, in first cone Offer two passages；

Second cone is a hollow cylinder, and one end of second cone offers external screw thread, and other end is pointed shape.

2. mechanical valve device as claimed in claim 1, it is characterised in that the fixed mount include a stator, a support chip, One holding piece and a fixing muscle,

The stator is a lamellar body, and the stator offers a ball location hole, one end of the stator and the support Piece connects, and the angle of connection is more than 90 degree；

The support chip is a lamellar body, and one end of the support chip and the stator connect, and other end connects respectively described Holding piece and fixing muscle；

The holding piece is a lamellar body, and the holding piece offers a regulation through hole；

The fixing muscle is an elongated lamellar body, and the position of the correspondence fixing muscle, offers a positioning groove, institute on the valve body State the fixing muscle insertion connection positioning groove.

3. mechanical valve device as claimed in claim 2, it is characterised in that the valve body offer two air inlets, two go out Gas port, an exhaust outlet and a kinetoplast connector, described two air inlets, two gas outlets and a kinetoplast connector each connect one The internal threaded column of valve body is protruded from, the outer surface of the internal threaded column connects at least two reinforcements；The valve body is to be cast into Type.