CN2550590Y - Diaphragm valve struture improvement - Google Patents

Abstract

The utility model relates to a structural improvement of diaphragm valves. At least two floors of gas chamber are arranged in the valve body, a break-over tube is connected-arranged in each gas chamber and a bigger ventilate interface is covered outside the gas chamber, a film is arranged between the gas chamber and the break-over tube port to separate the two, the break-over of the break-over tube and the ventilate interface is controlled by the valve arranged by the film. The utility model is characterized in that: a communicating vent pipe is directly arranged on the valve wall between the interfaces of the gas chamber on the upper floor and the ventilate interface on the lower floor, and the upper floor film is an integral sealing shape. Therefore, when the solenoid valve arranged in the gas chamber on the upper floor is started, the upper and the lower diaphragm valve can actuate switches at the same time, the delaying phenomenon caused by known actuation is reduced, the mechanical action time is reduced effectively, the valve can open and close exactly, and the practical structure of false action caused by film flaw is reduced.

Description

The diaphragm valve structure improvement

Technical field

The utility model is the improvement on the relevant diaphragm valve, but especially refer to a kind of be swift in response, open closed really, fast upper and lower layers of machinery action reaction time moves simultaneously, can not produce the diaphragm valve structure improvement that interlock postpones.

Background technique

In industrial production and refuse incineration, the filter of waste gas is very important only, general its waste gas can discharge after all must handling through control of dust, this dust collecting equipment inside is provided with some framves with sheathed filter bag, when making the waste gas suction filtration, dust can be removal that filter bag is isolated, filter in the running, for avoiding filter bag surface laying dust too much, filter clean effect and cause ventilative difficulty to lose, advanced design is to use several diaphragm valves with the control superheated steam, make valve moment unlatching by automatic control mode, brute force is filled in the filter bag, oppositely to expel its surperficial laying dust, is collected out by below waste material bucket collection again.

In order to save the energy, and obtain good removing effect, used air pressure is very high, and diaphragm valve must work in moment, general ON time is several seconds zero point approximately, the too big problem of unlikely generation is controlled in more small-sized valve body start, if but pick out behind institute's control valve body when managing greatly, just must control and reach by the multiple layer of differential pressure interlock, promptly as shown in Figure 1, be provided with the air chambers of two different sizes in valve body, indoorly be respectively equipped with the anisometric dynamic diaphragm of doing, this two diaphragms tool elasticity of destroying or force to yield, the center is set as the hard valve to block the below guiding tube, the periphery of diaphragm is then selected and is established several air inlets perforation, makes by taking over to import gas and can follow the hole and be injected into respectively in the 2 air chambers, does interlock control, when the closed electromagnetic valve of top, gas pressure is subjected to storage that this two valves interlock is and then closed, and solenoid valve is when opening, and gas is run away this two valve is and then opened.

Known multi-layer diaphragm valve, the air inlet control mode of structural design valve switch, need annotate atmospheric air chamber via big diaphragm perforation, just enter little air chamber (or on lid, directly establish hole shown in dotted line) through Small diaphragm-piece perforation again, so must open the upper strata minor valve earlier in the action can the big valve of interlock lower floor, the causative action time can produce delay phenomenon, real time reaction fast, and two diaphragm because of being continuous action relation, as long as flaw, run-down another layer that promptly influences and then move a little in the perforation of upper strata diaphragm.

The model utility content

Main purpose of the present utility model, but be to provide a kind of be swift in response, open closed really, fast upper and lower layers of machinery action reaction time moves simultaneously, can not produce the diaphragm valve structure improvement that interlock postpones.

For achieving the above object, the diaphragm valve structure improvement that the utility model provides, it mainly is provided with two layers of air cells at least in valve body, each air chamber is provided with a guiding tube and covers bigger ventilation interface outward, between the air chamber and the conducting mouth of pipe and be provided with diaphragm and be separated by, control the conducting of guiding tube and ventilation interface with the set valve of diaphragm, be primarily characterized in that:

Directly be provided with connectivity trachea on the valve wall between this upper strata air chamber and lower floor's ventilation interface, and the upper strata diaphragm is a full wafer sealing shape, thus, when upper strata air chamber installing solenoid valve opens control, can make upper and lower diaphragm valve start simultaneously switch, the delay situation that produces when reducing known start effectively shortens the machinery action time, and valve can be opened and closed really.

Wherein this valve body comprises that upper and lower half housing to group reaches the solenoid valve cover that connects and forms, and the two housings periphery is provided with the interval lockhole for bolt, wherein:

This lower shell body, below are set as bigger ventilation interface, and its center is connected with a less guiding tube with several spacer ribs, and the interface inwall is worn and is embedded with one " " " the shape through hole;

This upper shell, generally be the disk cover shape, with as lower floor's air chamber, a small vent interface is equipped with at its center, the teat periphery is established lockhole and is made the available bolt interlocking solenoid valve cover in top, establishes a littler guiding tube by spacer ribs in its interface, directly dashes forward on the edge grain of housing and establishes a breathing pipe, this is managed an end entrance and is positioned at and lower shell body " " " shape through hole joint, bring out mouth in addition and then be

Shape is on the little ventilation interface teat wall of the center of being located at;

This solenoid valve cover bottom is provided with between recessed appearance, to form aforementioned upper strata air chamber, is provided with in its tegmental wall

Shape perforation and upper shell The shape outlet is joined; And

Again on its two big or small diaphragm except that the lockhole that is provided with bit combination, all respectively setting up a hole on diaphragm makes with upper and lower casing and solenoid valve cover and is communicated with, this two diaphragm is for having the elasticity of can destroying or force to yield, relative portion with guiding tube is set as the hard valve in the middle of it, the top respectively is provided with a spring and compresses, upper diaphragm is a full wafer sealing shape, and the lower membrane plate valve encloses outdoors and then is provided with a plurality of vent-holes.

Wherein this connectivity trachea can continue additional combo in upper shell with body in addition.

Description of drawings

Constitution content of the present utility model and other characteristics have further understanding after elaborating by conjunction with figs. and embodiment to this.

Fig. 1 is a partly three-dimensional exploded view of known valve body.

Fig. 2 is the utility model valve body structure three-dimensional exploded view.

Fig. 3 is the utility model valve body structure three-dimensional combination figure.

Fig. 4 is the application diagrammatic sketch of the utility model valve locking.

Fig. 5 is the application diagrammatic sketch of the utility model valve opening.

Fig. 6 is the another kind of valve body structure three-dimensional exploded view of the utility model.

Embodiment

Shown in Fig. 2,6, the set a kind of diaphragm valve structure improvement of the utility model, it can have two moulding basically at least when implementing, and except that housing 12 differences, the composition of all the other each ones is all identical substantially.

Shown in Fig. 2-5, it mainly is to be provided with two layers of air cells 21 and 22 at least in valve body 1, each air chamber 21,22 is provided with a guiding tube 31,32 respectively and covers bigger ventilation interface 41,42 outward, in air chamber 21 and 31 of guiding tubes and be provided with diaphragm 51 and be separated by, in air chamber 22 and 32 of guiding tubes and be provided with diaphragm 52 and be separated by, the conducting of control guiding tube 31,32 and ventilation interface 41,42 with diaphragm 51,52 set valves 55,56 is primarily characterized in that:

Directly be provided with connectivity trachea 6 on the valve wall that this upper strata air chamber 21 and lower floor's ventilation interface are 42, and upper strata diaphragm 51 is full wafer sealing shape, thus, when air chamber 21 installing solenoid valves 7 in upper strata open control, can make upper and lower diaphragm valve 55,56 same time start switches, the delay situation that produces when reducing known start effectively shortens the machinery action time, and valve 55,56 can be opened and closed really, and reduce the malfunction that is produced because of diaphragm 51 flaws.

As shown in Figure 2, design more specifically its valve body 1 comprise a pair of group upper and lower casing 11,12 and on the solenoid valve cover 71 that connects forms, two upper and lower casings, 11,12 peripheries are provided with at interval lockhole 81 confession bolts 91 (see figure 2)s and fix, wherein:

This lower shell body 12, below are set as bigger ventilation interface 42, and its center is connected with a less guiding tube 32 with several spacer ribs 421, and interface 42 inwalls are worn and are embedded with one " " " shape through hole 121;

This upper shell 11, generally be the disk cover shape, with as lower floor's air chamber 22, a small vent interface 41 is equipped with at its center, the teat periphery is established lockhole 82 and is made the available bolt 92 (see figure 2) interlocking solenoid valve cover 71 in top, is connected with a littler guiding tube 31 by spacer ribs 411 in its interface, directly dashes forward on the edge grain of upper shell 11 and establishes a breathing pipe 6, this is managed an end entrance 61 and is positioned at and lower shell body 12 " " " shape through hole 121 joints, bring out mouth 62 in addition and then be Shape, on the little ventilation interface 41 teat walls in the center of being located at, this connectivity trachea 6 or can be in addition form (figure does not show) during enforcement with body additional the setting of continuing;

These solenoid valve cover 71 bottoms are provided with between recessed appearance, to form aforementioned upper strata air chamber 21, are provided with one in its tegmental wall Shape perforation 72 and upper shell 11

Shape outlet 62 is joined; And

Again on its two big or small diaphragm 51,52 except that the lockhole 53 that is provided with bit combination, make with upper and lower casing 11,12 and solenoid valve cover 71 and after to group, can be communicated with in all respectively setting up a hole 59 and 58 on the diaphragm, this two diaphragm 51,52 is for having the elasticity of can destroying or force to yield, be set as hard valve 55,56 with guiding tube 31,32 relative portions in the middle of it, the top is arranged with spring 98,99 and compresses, upper strata diaphragm 51 is full wafer sealing shape, and lower membrane sheet valve 56 peripheries then are provided with a plurality of vent-holes 57;

Please join Fig. 4, shown in 5, its valve body can add harness externally connected pipe retaining wall 10 for 1 time during combination, thus, when solenoid valve 7 is opened and closed, external go into gas and can annotate and be stopped on the inside, lower floor's air chamber 21,22, form in the pressure order, lower floor's diaphragm 51,52 centers are prominent down with valve 55,56 with guiding tube 31,32 close, and solenoid valve 7 is when activating, because of connectivity trachea 6 designs are arranged, so air chamber 21,22 internal pressures can severally be released simultaneously and be put, and make diaphragm 51,52 reset rapidly, and both are with action, the gas that finally makes lower floor ventilation interface 42 inject can be emitted through guiding tube 52, for after connect as removing dust and use (scheming not shown).

In sum, the utility model diaphragm valve can be accelerated the machinery action reaction time really, solve the shortcoming that can produce delay in the known use, valve can be opened and closed really, reach the purpose that moment opens and closes effective saving energy, and reducing the malfunction that is produced because of upper strata diaphragm flaw, function far wins known pattern, tool progressive and industrial utilization.

Above-mentioned specific embodiment is to be used for describing in detail the purpose of this utility model, feature and effect, for the personnel that are familiar with this type of technology, according to the above description, may do partly change and modification to this specific embodiment, its essence does not detach spiritual category of the present utility model, all should be included in the claim of the present utility model.

Claims (3)

1, a kind of diaphragm valve structure improvement, it mainly is provided with two layers of air cells at least in valve body, and each air chamber is provided with a guiding tube and covers bigger ventilation interface outward, between the air chamber and the conducting mouth of pipe and be provided with diaphragm and be separated by, is primarily characterized in that:

Directly be provided with connectivity trachea on the valve wall between this upper strata air chamber and lower floor's ventilation interface, and the upper strata diaphragm is a full wafer sealing shape.

2, diaphragm valve structure improvement as claimed in claim 1 is characterized in that, wherein this valve body comprises that upper and lower half housing to group reaches the solenoid valve cover that connects and forms, and the two housings periphery is provided with the interval lockhole for bolt, wherein:

This lower shell body, below are set as bigger ventilation interface, and its center is connected with a less guiding tube with several spacer ribs, and the interface inwall is worn and is embedded with one " " " the shape through hole;

This upper shell, generally be the disk cover shape, be lower floor's air chamber, a small vent interface is equipped with at its center, the teat periphery is established lockhole makes the top with bolt interlocking solenoid valve cover, establishes a littler guiding tube by spacer ribs in its interface, directly dashes forward on the edge grain of housing and establishes a breathing pipe, this is managed an end entrance and is positioned at and lower shell body " " " shape through hole joint, bring out mouth in addition and then be Shape is on the little ventilation interface teat wall of the center of being located at;

This solenoid valve cover bottom is provided with between recessed appearance, forms aforementioned upper strata air chamber, is provided with one in its tegmental wall Shape perforation and upper shell

The shape outlet is joined; And

Again on its two big or small diaphragm except that the lockhole that is provided with bit combination, all respectively setting up a hole on diaphragm makes with upper and lower casing and solenoid valve cover and is communicated with, this two diaphragm is for having the elasticity of can destroying or force to yield, relative portion with guiding tube is set as the hard valve in the middle of it, the top respectively is provided with a spring and compresses, upper diaphragm is a full wafer sealing shape, and the lower membrane plate valve encloses outdoors and then is provided with a plurality of vent-holes.

3, diaphragm valve structure improvement as claimed in claim 1 is characterized in that, wherein this connectivity trachea can continue additional combo in upper shell with body in addition.

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