CN208057961U - A kind of butterfly valve with filtering function - Google Patents

Abstract

The utility model is related to a kind of butterfly valves with filtering function, it is characterized in that the valve body includes left valve barrel and right valve barrel, in the right valve barrel filter mantle is equipped with relative to the side of right annular groove, the surrounding of the filter mantle is connected and is structure as a whole with right valve barrel respectively, and multiple filter hole of rounded display are equipped in the side of filter mantle.Advantage is filter mantle and filter mantle to be made to be structure as a whole with right valve barrel by being arranged on right valve barrel, so not only assurable sealing performance, moreover, in process of production can be integrally formed by casting or forging, effectively reduce production cost；And multiple filter hole are set in filter mantle side, when valve in use, medium, which must first pass through filter hole, to be entered in valve, it can effective impurity present in filter medium by filter hole, the impurity in medium is effectively avoided to damage the upstream device in sealing element and pipeline, the sealing performance that ensure that valve prevents the safety in utilization for leaking and improving upstream device.

Description

A kind of butterfly valve with filtering function

Technical field

The utility model is related to a kind of valve, more particularly to a kind of butterfly valve with filtering function is mainly answered For pipeline engineering field.

Background technology

Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and one kind of open and close is reached around valve shaft rotation Valve mainly plays cut-out and throttling action on pipeline, is widely used in producer, coal gas, natural gas, liquefied petroleum gas, city City's coal gas, hot and cold air, chemical industry are smelted and the engineering fields such as generation environment-friendly, building water supply and drainage.

Existing butterfly valve is mainly made of valve body, valve rod, butterfly plate and sealing ring, when the use industry poor in some operating modes When interior, for example, oil, chemical industry or pipeline internal medium there are more impurity in the case of when, butterfly valve is not only easy to be damaged, and causes Leakage, but also easily upstream device is caused to damage.

Utility model content

In order to solve existing butterfly valve do not have filtering function easily cause valve leak or cause upstream device damage etc. skills Art problem, the utility model provide a kind of butterfly valve with filtering function, and the filtering of medium can be not only realized by the butterfly valve, protect Demonstrate,prove the safe to use of upstream device；Meanwhile butterfly valve can also be effectively prevent to cause to leak due to impurity is larger in medium.

In order to solve the above technical problems, the technical scheme adopted by the utility model is that a kind of butterfly valve with filtering function, Include valve body, valve rod, valve plate, sealing element and operating mechanism, sealing element is placed in valve body, and valve rod is connected with valve plate, and valve plate is set It can coordinate in sealing element and with the side wall sealing of sealing element week, it is characterised in that the valve body includes left valve barrel and right valve Body is respectively equipped with the left annular groove for placing sealing element and right annular groove, in left ring in the side that left valve barrel and right valve barrel fit The edge of shape slot and right annular groove be respectively equipped with limitation sealing element annular protrusion, the sealing element be placed in left annular groove and In right annular groove；Be equipped with filter mantle relative to the side of right annular groove in the right valve barrel, the surrounding of the filter mantle respectively with Right valve barrel is connected and is structure as a whole, and multiple filter hole of rounded display are equipped in the side of filter mantle.

Further, a diameter of 1cm~3cm of filter hole on the filter mantle side, transverse direction and longitudinal direction arrangement spacing are 3cm~5cm.

Further, it is respectively equipped with coaxial through-hole at the both ends of the sealing element；In the left valve barrel and right valve barrel phase The corresponding position of the side side wall of fitting is respectively equipped with the semi-circular groove being connected with through-hole；The valve plate is placed in sealing element In and be installed on the valve rod at valve plate both ends and be each passed through through-hole and be placed in the semi-circular groove of left valve barrel and right valve barrel.

Further, multiple threaded holes are equipped on the side side wall to fit with left valve barrel on the right valve barrel, in institute Corresponding position is equipped with fixed hole on the left valve barrel stated and left valve barrel and right valve barrel are bolted to connection.

Further, the operating mechanism includes holder, connecting rod and air impeller, and the holder is fixed on a left side On valve body, described connecting rod one end is connected with valve rod, and the other end is mutually fixedly connected with air impeller.

The utility model has the beneficial effects that by the way that filter mantle is arranged on right valve barrel and filter mantle and right valve barrel is made to be one Body structure, so not only assurable sealing performance, moreover, in process of production can be integrally formed by casting or forging, have Effect reduces production cost；And in filter mantle side, multiple filter hole are set, when valve in use, medium must be first Could enter in valve by filter hole, can cross filter hole can impurity present in effective filter medium, effectively avoid in medium Impurity damage sealing element and pipeline in upstream device, ensure that the sealing performance of valve, prevent from leaking and improving downstream The safety in utilization of equipment.

Description of the drawings

Fig. 1 is a kind of sectional structure chart of the butterfly valve with filtering function of the utility model embodiment

Fig. 2 is the three-dimensional structure diagram of right valve barrel in the utility model embodiment

Fig. 3 is the three-dimensional structure diagram of left valve barrel in the utility model embodiment

Fig. 4 is the three-dimensional structure diagram of sealing element in the utility model embodiment

Fig. 5 is the installation three-dimensional structure diagram of valve plate and valve rod in the utility model embodiment

Specific implementation mode

The utility model embodiment is described further below in conjunction with the accompanying drawings：

As shown in Figs. 1-5, the utility model is a kind of butterfly valve with filtering function, includes valve body 1, valve rod 2, valve plate 3, sealing element 4 and operating mechanism 5, sealing element 4 are placed in valve body 1, and valve rod 2 is connected with valve plate 3, valve plate 3 be placed in sealing element 4 and It can coordinate with sealing element side wall sealing in 4 weeks, the valve body 1 includes left valve barrel 11 and right valve barrel 12, in left valve barrel 11 and the right side The side that valve body 12 fits is respectively equipped with the left annular groove 111 and right annular groove 121 for placing sealing element 4, in left annular groove 111 The annular protrusion 13 of limitation sealing element 4 is respectively equipped with the edge of right annular groove 121, the sealing element 4 is placed in left annular In slot 111 and right annular groove 121；In the right valve barrel 12 filter mantle 14, the mistake are equipped with relative to the side of right annular groove 121 The surrounding of filter bowl 14 is connected and is structure as a whole with right valve barrel 12 respectively, and the more of rounded display are equipped in the side of filter mantle 14 A filter hole 141；By the way that filter mantle 14 is arranged on right valve barrel 12 and filter mantle 14 is made to be structure as a whole with right valve barrel 12, in this way Not only assurable sealing performance, moreover, can effectively reduce and be produced by casting integrated forming in process of production This；And in 14 side of filter mantle, multiple filter hole 141 are set, when valve in use, medium must first pass through filter hole 141 could enter in valve, can cross filter hole 141 can effective impurity present in filter medium, effectively avoid miscellaneous in medium Matter damages the upstream device in sealing element 4 and pipeline, ensure that the sealing performance of valve, prevents from leaking and improving upstream device Safety in utilization.

In the present embodiment, the sealing of the damage of impurity present in pipeline internal medium sealing element 4 influence valve in order to prevent Effect and damage upstream device, filter hole 141 a diameter of 1cm~3cm, preferably 2cm on 14 side of filter mantle are horizontal To and longitudinal arrangement spacing be 3cm~5cm, preferably 3cm, 141 diameter of specific filter hole and display spacing can be according to pipeline The medium type of transmission determines, filter hole 141 can also be set as square hole or prismatic hole etc., but be readily produced due to round hole plus Work, the present embodiment are preferred embodiment.

In the present embodiment, it for the ease of the open and close of control valve, is set respectively at the both ends of the sealing element 4 There is coaxial through-hole 41；The corresponding position for the side side wall that the left valve barrel 11 and right valve barrel 12 fit be respectively equipped with The semi-circular groove 15 that through-hole 41 is connected；The valve plate 3 is placed in sealing element 4 and is installed on the difference of valve rod 2 at 3 both ends of valve plate In the semi-circular groove 15 that through-hole 41 is placed in left valve barrel 11 and right valve barrel 12.

In the present embodiment, the assembling for the ease of valve body 1 and sealing performance, on the right valve barrel 12 with left valve barrel The 11 side side walls to fit are equipped with multiple threaded holes 122, are equipped with fixed lead on corresponding position on the left valve barrel 11 Hole 112 and left valve barrel 11 and right valve barrel 12 are bolted to connection；By being threaded on left valve barrel 11 and right valve barrel 12 Bolt one end need to be only threadedly coupled just across fixed hole 112 with threaded hole 122 by hole 122 and fixed hole 112 in assembling Left valve barrel 11 and right valve barrel 12 can quickly be connected and left valve barrel 11 and 12 squeeze sealing member 4 of right valve barrel is made to make left valve barrel 11 and the right side The junction of valve body 12 is in sealing state, and the sealing performance of valve body 1 has been effectively ensured.

In the present embodiment, for the ease of the open and close of control valve and realization automation control, the operation Mechanism 5 includes holder 51, connecting rod 52 and air impeller 53, and the holder 51 is fixed on left valve barrel 11, described 52 one end of connecting rod is connected with valve rod 2, and the other end is fixedly connected with 53 phase of air impeller；Setting holder 51 can make pneumatic actuation Device 53 is fixed on valve body 1, and utilizes connecting rod 52, can realize the open and close of 53 control valve of air impeller；And Automation control of the air impeller 53 then using atmospheric control realization to valve opening and closing is set；Certainly, Handle can be used and carry out being turned on and off for control valve, but handle can only be by manually being controlled, therefore, the reality of the present embodiment It is preferred embodiment to apply mode.

Above-described embodiment is not construed as limitations of the present invention, but made by any spirit based on the utility model It improves, should all be within the protection scope of the utility model.

Claims (5)

1. a kind of butterfly valve with filtering function, includes valve body, valve rod, valve plate, sealing element and operating mechanism, sealing element is placed in In valve body, valve rod is connected with valve plate, and valve plate is placed in sealing element and can coordinate with the side wall sealing of sealing element week, it is characterised in that institute The valve body stated includes left valve barrel and right valve barrel, is respectively equipped in the side that left valve barrel and right valve barrel fit and places sealing element Left annular groove and right annular groove are respectively equipped with the annular protrusion of limitation sealing element in the edge of left annular groove and right annular groove, The sealing element is placed in left annular groove and right annular groove；It was equipped with relative to the side of right annular groove in the right valve barrel The surrounding of filter bowl, the filter mantle is connected and is structure as a whole with right valve barrel respectively, and rounded display is equipped in the side of filter mantle Multiple filter hole.

2. a kind of butterfly valve with filtering function according to claim 1, it is characterised in that on the filter mantle side The a diameter of 1cm~3cm of filter hole, transverse direction and longitudinal direction arrange spacing be 3cm~5cm.

3. a kind of butterfly valve with filtering function according to claim 1 or 2, it is characterised in that in the sealing element Both ends are respectively equipped with coaxial through-hole；It is set respectively in the corresponding position for the side side wall that the left valve barrel and right valve barrel fit There is the semi-circular groove being connected with through-hole；The valve plate is placed in sealing element and is installed on the valve rod at valve plate both ends and is each passed through Through-hole is placed in the semi-circular groove of left valve barrel and right valve barrel.

4. a kind of butterfly valve with filtering function according to claim 3, it is characterised in that on the right valve barrel with The side side wall that left valve barrel fits is equipped with multiple threaded holes, is equipped with fixed hole on corresponding position on the left valve barrel And left valve barrel and right valve barrel are bolted to connection.

5. a kind of butterfly valve with filtering function according to claim 4, it is characterised in that the operating mechanism includes There are holder, connecting rod and air impeller, the holder to be fixed on left valve barrel, described connecting rod one end and valve rod phase Even, the other end is mutually fixedly connected with air impeller.