CN201963891U

CN201963891U - Multifunctional valve

Info

Publication number: CN201963891U
Application number: CN2010205560952U
Authority: CN
Inventors: 李景全; 杨彬; 刘洪农; 朱桂东; 苏泉; 罗盛; 唐洪林
Original assignee: China Petroleum and Chemical Corp; Sinopec Henan Oilfield Branch Co No 1 Oil Production Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Henan Oilfield Branch Co No 1 Oil Production Plant
Priority date: 2010-10-11
Filing date: 2010-10-11
Publication date: 2011-09-07
Anticipated expiration: 2020-10-11

Abstract

The utility model relates to a multifunctional valve, which comprises a valve rod, a valve clack and a valve body, wherein a retaining ring is fixedly arranged at one end of the valve rod; the end of the valve rod with the retaining ring is in sliding fit with the valve clack through a guide groove on the valve clack; a valve clack gland is arranged on an upper end surface of the valve clack; the retaining ring is in spacing fit with the valve clack gland; and an ejector rod used for jacking up the valve clack is arranged on the valve body and below the valve clack. In the multifunctional valve provided by the utility model, the valve clack is in sliding fit with the valve rod, so as to integrate the cut-off, adjustment, non-return function, and the like; and additionally, the ejector rod is arranged on one side of the valve clack gland far from the valve clack, so that a pipeline can be conducted reversely through the ejector rod jacking up the valve clack, and the problem that the traditional stop valve has the single function is solved.

Description

Multi-functional valve

Technical field

The utility model relates to valve technology field, especially a kind of multi-functional valve.

Background technique

In the liquid medium pipeline is carried, during especially production wellhead liquid is carried, often need to the liquid that pipeline is carried end, different controls such as adjusting, connection, so need in pipeline, be connected in series stop valve; But, in the fluid course of conveying of production wellhead, also need to carry out non-return control, because the flap and the valve rod of present stop valve are fixed together, can only realize ending and regulatory function, therefore function singleness also must be connected in series check valve in pipeline; In actual mechanical process, need control respectively each valve, this has brought great inconvenience for staff's proper functioning, has also occupied bigger space and length of pipeline simultaneously.In addition, the form that the stop valve that is adopted in the existing oil line pipe mostly adopts flange to connect is connected with pipeline, makes fastener (bolt) exposed outside like this, suffers that very easily lawless person's theft destroys; Simultaneously, in some cases, need reverse conducting pipeline, this just need offer other bypass duct in the downstream of check valve, and this has further taken the pipeline space, has also increased the installation cost of pipeline simultaneously.

Summary of the invention

The purpose of this utility model is to provide a kind of multi-functional valve, to solve the problem of existing stop valve function singleness.

In order to address the above problem, multi-functional valve of the present utility model is by the following technical solutions: multi-functional valve, comprise valve rod, flap and valve body, one end of described valve rod is set with the retaining ring, the end that valve rod has the retaining ring is slidingly matched by guiding groove and the flap that is arranged on the described flap, the upper-end surface of described flap is provided with the flap gland, described retaining ring and described spacing cooperation of flap gland; Be provided with the push rod that is used for the described flap of jack-up in the below of described flap on the described valve body.

Described valve rod has the valve rod working head away from an end of flap, and the cross section of valve rod working head is a regular pentagon.

Described push rod and described valve body screw-thread fit, the bottom of described push rod has the push rod working head, and the cross section of push rod working head is a regular pentagon.

Has the push rod sheath on the described valve body, described push rod and described push rod sheath screw-thread fit.

The outer cover of described valve rod is provided with valve guard, and described valve guard is bolted on the described valve body, is provided with screw thread in the import of described valve body and the outlet.

Have a thread section on the described valve rod, have corresponding tapped hole, described valve rod and valve guard screw-thread fit on the valve guard.

The flap of multi-functional valve of the present utility model cooperates with valve stem slides, thereby will be integrated by functions such as, adjusting, checks, in addition, away from a side of described flap gland push rod is set at described flap, when pipeline needs reverse conducting, can realize by push rod jack-up flap, solve the problem of traditional stop valve function singleness.

Further, described push rod and described valve body screw-thread fit, thus can be easily with its axially locating, and then flap located, have pentagonal push rod, valve rod working head on push rod, the valve rod respectively, need just can turn with special tool, thus the destruction that prevents the lawless person; Push rod, the valve guard of the outside sheathed correspondence of described push rod, valve rod, the destruction that can further prevent the lawless person; Valve rod is by its thread section and valve guard screw-thread fit, when can move up and down described valve rod easily with it in any point axially locating, make things convenient for the regulation valve body flow; In addition, in the import and the outlet port of described valve body screw thread is set, thereby is spirally connected, do not have exposed bolt and exist, can effectively prevent lawless person's pilferage behavior like this with pipeline.

Description of drawings

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

Fig. 2 is the plan view of valve rod among Fig. 1.

Embodiment

A kind of embodiment of multifunctional burglary-resistant valve of the present utility model, as depicted in figs. 1 and 2, be provided with screw thread on the import of valve body 5 and the inwall of outlet, has valve port between the import of valve body 5 and the outlet, be pressed with flap 4 on the plane at valve port place, flap 4 has one near a side of valve ports and is used for the sealing surface 6 that cooperates with sealing valve port, flap 4 has guiding groove away from a side of valve port, be fitted with valve rod 1 in the guiding groove, the bottom of valve rod 1 is provided with retaining ring 3 by screw, the outer circumferential face and the guiding groove of retaining ring 3 are slidingly matched, be bolted with flap gland 2 in the guiding groove, flap gland 2 cooperates with retaining ring 3 retainings, valve rod 1 is slidingly matched with flap gland 2 simultaneously, be bolted with bonnet 7 on the valve body 5, bonnet 7 and flap 4 corresponding settings, bonnet 7 is set with valve guard 8 away from a side of flap 4, the end that valve guard 8 is used for cooperating with bonnet 7 has an external thread section, has corresponding screw on the bonnet 7, valve guard 8 and bonnet 7 are spirally connected and in being folded with sealing gasket between the two, has a nut segment 9 in its external thread section top on the valve guard 8, has screw thread on the endoporus of nut segment 9, has corresponding thread section on the valve rod 1, the thread section screw-thread fit of valve rod 1 and sheath 8, valve rod 1 has valve rod working head 10 away from an end of flap 4, valve rod working head 10 adopts pentagon and all is in the valve guard 8 on the limit inferior position thereon, needs just can open with special tool; Sealing surface 6 places of corresponding flap 4 also have been wholely set push rod sheath 12 on the valve body 5, be bolted with the push rod 9 that is used for jack-up flap 4 when the reverse conducting of pipeline needs in the push rod sheath 12, push rod 9 all is within the push rod sheath 12 during the limit inferior position thereon, can prevent effectively that the lawless person from destroying, push rod 9 has the push rod working head away from an end of flap 4, the cross section of push rod working head is regular pentagon, needs just can turn with special tool; Can prevent further that the lawless person from destroying; The multifunctional burglary-resistant valve of present embodiment in use, the import of valve body 5 and outlet are spirally connected with corresponding pipeline respectively, cooperate with valve rod working head 10 by special tool and to turn valve rod 1, the pressure medium of valve body 5 inlets backs down flap 4, with the pipeline conducting, can regulate rate-of flow by turning valve rod 1 simultaneously; When inlet's pressure medium disappears, flap 4 hurtles down under action of gravity and cooperates with sealing valve port by its sealing surface 6, thereby realize the check function, need to realize when function, turn valve rod 1 and flap 4 is pressed down get final product, in addition, when when some in particular cases need reverse conducting, can be by turning push rod 9 jack-up flaps 4, thus the conducting pipeline; Because the valve body 5 of the multifunctional burglary-resistant valve of present embodiment is spirally connected with corresponding pipeline, the fastening piece that does not expose (as bolt), survivable, in addition, valve rod working head 10 is a pentagon, makes general utility tool to open, and has realized anti-theft feature, at valve rod 1 outside sheathed sheath 8, further strengthened anti-theft feature.

Claims

1. multi-functional valve, comprise valve rod, flap and valve body, it is characterized in that: an end of described valve rod is set with the retaining ring, the end that valve rod has the retaining ring is slidingly matched by guiding groove and the flap that is arranged on the described flap, the upper-end surface of described flap is provided with the flap gland, described retaining ring and described spacing cooperation of flap gland; Be provided with the push rod that is used for the described flap of jack-up in the below of described flap on the described valve body.

2. multi-functional valve according to claim 1 is characterized in that: described valve rod has the valve rod working head away from an end of flap, and the cross section of valve rod working head is a regular pentagon.

3. multi-functional valve according to claim 1 is characterized in that: described push rod and described valve body screw-thread fit, and the bottom of described push rod has the push rod working head, and the cross section of push rod working head is a regular pentagon.

4. multi-functional valve according to claim 3 is characterized in that: have the push rod sheath on the described valve body, described push rod and described push rod sheath screw-thread fit.

5. multi-functional valve according to claim 1 is characterized in that: the outer cover of described valve rod is provided with valve guard, and described valve guard is bolted on the described valve body, is provided with screw thread in the import of described valve body and the outlet.

6. multi-functional valve according to claim 5 is characterized in that: have a thread section on the described valve rod, have corresponding tapped hole, described valve rod and valve guard screw-thread fit on the valve guard.