CN211624353U

CN211624353U - Diaphragm-controlled centrifugal machine emptying valve

Info

Publication number: CN211624353U
Application number: CN202020230220.4U
Authority: CN
Inventors: 孙锋
Original assignee: Nantong Red Star Air Compressor Parts Manufacturing Co ltd
Current assignee: Nantong Red Star Air Compressor Parts Manufacturing Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-10-02
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a diaphragm control's centrifuge emptying valve, including valve body, valve gap, on the valve body was arranged in to the valve gap, the valve body was equipped with import and export, was equipped with the control mouth on the valve gap, was equipped with balanced passageway on the valve gap, and the outer end of balanced passageway is equipped with the end cap, is equipped with the control chamber in the valve gap, and the control intracavity is equipped with reset spring, and in reset spring's bottom embedding base and gasket, be equipped with the diaphragm between the both ends of base and gasket, the other end setting of diaphragm was between valve body and valve gap, all was equipped with the orifice on valve body and the valve gap, was equipped. The balance channel is arranged on the valve cover, the diaphragm is clamped between the valve cover and the valve body, and the bolt holes and the balance holes are not formed on the diaphragm, so that the diaphragm is not easy to damage when deformed under stress; the inner ring end and the outer ring end of the diaphragm are respectively matched and sealed with the O-shaped groove of the valve body and the O-shaped groove of the gasket in a stroke matching way from the protruding parts with the O-shaped rings, so that leakage is avoided.

Description

Diaphragm-controlled centrifugal machine emptying valve

Technical Field

The utility model relates to a diaphragm control's centrifuge atmospheric valve for centrifugal blower.

Background

Most of the existing emptying valves of the centrifugal machine are electric butterfly valves or other pneumatic control valves. The electric butterfly valve has the problem of slow opening and closing speed, and other pneumatic control valves need to be controlled by an external high-pressure air source and need equipment other than the electric butterfly valve to provide the air source.

At present, the centrifugal machine blow-down valve controlled by the diaphragm type also appears in the market, but the problem that the diaphragm is easy to damage and leak exists, namely: the balance hole of the existing emptying valve is arranged on the diaphragm, and the diaphragm is easy to damage at the opening part when deformed; the bolt hole is opened on the diaphragm of current atmospheric valve, and trompil department is damaged easily when the diaphragm atress warp.

Disclosure of Invention

An object of the utility model is to provide a centrifuge atmospheric valve of diaphragm control to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a diaphragm control's centrifuge emptying valve, which comprises a valve body, the valve gap is arranged in on the valve body, the valve body is equipped with import and export, be equipped with the control mouth on the valve gap, be equipped with balanced passageway on the valve gap, the outer end of balanced passageway is equipped with the end cap, be equipped with the control chamber in the valve gap, be equipped with reset spring in the control chamber, reset spring's bottom embedding base and gasket, be equipped with the diaphragm between the both ends of base and gasket, the other end setting of diaphragm is between valve body and valve gap, all be equipped with the orifice on valve body and the valve.

The utility model discloses a further improvement lies in: the base and the gasket are fixedly connected through bolts.

The utility model discloses a further improvement lies in: one end of the diaphragm is an inner ring end, the inner ring end is an O-shaped convex ring, and the inner ring end is arranged in the O-shaped groove of the gasket.

The utility model discloses a further improvement lies in: one end of the diaphragm is an outer ring end, the outer ring end is an O-shaped convex ring, and the outer ring end is arranged in an O-shaped groove of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

the balance channel is arranged on the valve cover, the diaphragm is clamped between the valve cover and the valve body, and the bolt holes and the balance holes are not formed on the diaphragm, so that the diaphragm is not easy to damage when deformed under stress; the inner ring end and the outer ring end of the diaphragm are respectively matched and sealed with the O-shaped groove of the valve body and the O-shaped groove of the gasket in a stroke matching way from the protruding parts with the O-shaped rings, so that leakage is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

reference numerals: the valve comprises a valve body 1, a valve body 1-1 inlet, a valve body 1-2 outlet, a valve body 1-3O-shaped groove, a valve cover 2, a control port 2-1, a balance channel 3, a plug 4, a control cavity 5, a return spring 6, a base 7, a gasket 8-1O-shaped groove 9, a diaphragm 9, an inner ring 9-1, an outer ring 9-2, a throttling hole 10, a sealing ring 11 and a bolt 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, the present embodiment provides a technical solution: the utility model provides a diaphragm control's centrifuge atmospheric valve, including valve body 1, valve gap 2 arranges in on valve body 1, valve body 1 is equipped with import 1-1 and export 1-2, be equipped with control mouth 2-1 on the valve gap 2, be equipped with balanced passageway 3 on the valve gap 2, balanced passageway 3's outer end is equipped with end cap 4, be equipped with control chamber 5 in the valve gap 2, be equipped with reset spring 6 in the control chamber 5, reset spring 6's bottom imbeds in base 7 and the gasket 8, base 7 and gasket 8 pass through bolt 12 fixed connection, be equipped with diaphragm 9 between the both ends of base 7 and gasket 8, the other end setting of diaphragm 9 is between valve body 1 and valve gap 2, all be equipped with orifice 10 on valve body 1 and the valve gap 2, be equipped with sealing washer 11 between.

One end of the diaphragm 9 is an inner ring end 9-1, the inner ring end 9-1 is an O-shaped convex ring, the inner ring end 9-1 is arranged in the O-shaped groove 8-1 of the gasket, one end of the diaphragm 9 is an outer ring end 9-2, the outer ring end 9-2 is an O-shaped convex ring, and the outer ring end 9-2 is arranged in the O-shaped groove 1-3 of the valve body. Namely, the inner ring end 9-1 and the outer ring end 9-2 of the diaphragm 9 are respectively matched and sealed with the O-shaped groove 8-1 of the gasket and the O-shaped groove 1-3 of the valve body in a stroke way, so that leakage is avoided.

The utility model discloses with balanced passageway setting on the valve gap, the diaphragm is in the centre of being pressed from both sides by valve gap and valve body in addition, and does not open bolt hole and balancing hole on the diaphragm, when can guaranteeing diaphragm atress deformation like this, not fragile

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a diaphragm control's centrifuge emptying valve, includes valve body (1), valve gap (2) are arranged in on valve body (1), valve body (1) are equipped with import (1-1) and export (1-2), be equipped with control mouth (2-1) on valve gap (2), its characterized in that: be equipped with balanced passageway (3) on valve gap (2), the outer end of balanced passageway (3) is equipped with end cap (4), be equipped with control chamber (5) in valve gap (2), be equipped with reset spring (6) in control chamber (5), in the bottom embedding base (7) and gasket (8) of reset spring (6), base (7) with be equipped with diaphragm (9) between the both ends of gasket (8), the other end setting of diaphragm (9) is in valve body (1) with between valve gap (2), valve body (1) with all be equipped with orifice (10), two on valve gap (2) be equipped with sealing washer (11) between orifice (10).

2. The diaphragm controlled centrifuge vent valve of claim 1, wherein: the base (7) and the gasket (8) are fixedly connected through a bolt (12).

3. The diaphragm controlled centrifuge vent valve of claim 1, wherein: one end of the diaphragm (9) is an inner ring end (9-1), the inner ring end (9-1) is an O-shaped convex ring, and the inner ring end (9-1) is arranged in the O-shaped groove (8-1) of the gasket.

4. The diaphragm controlled centrifuge vent valve of claim 1, wherein: the other end of the diaphragm (9) is an outer ring end (9-2), the outer ring end (9-2) is an O-shaped convex ring, and the outer ring end (9-2) is arranged in the O-shaped groove (1-3) of the valve body.