CN212428719U

CN212428719U - Plug valve for petroleum drilling

Info

Publication number: CN212428719U
Application number: CN202021082314.8U
Authority: CN
Inventors: 梁冬兴
Original assignee: Dongying Huiyao Petroleum Equipment Co ltd
Current assignee: Dongying Huiyao Petroleum Equipment Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-01-29
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a plug valve for oil drilling, which comprises a valve body, the valve body top is fixed with the sleeve, the sleeve internal rotation cover is equipped with the valve rod, the cavity has been seted up in the valve rod, the cavity internalization card is equipped with the disc, a plurality of logical grooves that communicate with the cavity are seted up to circumference on the valve rod, circumference is fixed with a plurality of travelers that run through logical groove on the face of cylinder outside the disc, a plurality of draw-in grooves have been seted up to valve rod up end circumference, disc up end circumference equipartition has a plurality of articulated seats with the draw-in groove one-to-one, rotate on the articulated seat and install the pendulum rod, the handle is. This plug valve for oil drilling sets up the folding handle of liftable in the valve rod, during the flow regulation, lifts the handle and outwards rotates again and expand to the horizontality and can drive the valve rod and rotate, and the regulation finishes, rotates the handle to the folding of vertical state can accomplish the handle and accomodate, and convenient operation is swift, and occupation space is little, the installation of being convenient for is maintained.

Description

Plug valve for petroleum drilling

Technical Field

The utility model relates to a plug valve technical field specifically is a plug valve for oil drilling.

Background

The plug valve is a rotary valve in the shape of a closing member or a plunger, and is opened or closed by rotating 90 degrees to make a passage port on the plug communicate with or separate from a passage port on the valve body. In a cylindrical valve plug, the passageway is generally rectangular; whereas in a tapered plug the passage is trapezoidal. These shapes make the construction of the plug valve lightweight. The invention is most suitable for use as a medium for switching off and on and for shunting, but may also be used for throttling, depending on the nature of the application and the erosion resistance of the sealing surfaces.

Traditional plug valve is carrying out flow control and makes, needs additionally to drive the valve rod rotation with supporting spanner cover on the valve rod, and it is more troublesome to operate, installs the carousel on also having partial plug valve's the valve rod, but the carousel diameter is great, has occupied great space, has certain influence to plug valve's installation and maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug valve for oil drilling 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 plug valve for oil drilling, includes the valve body, the valve body both sides communicate respectively has feed liquor pipe and drain pipe, the valve body top is fixed with the sleeve, the sleeve internal rotation cover is equipped with the valve rod, the cavity has been seted up in the valve rod, the activity card in the cavity is equipped with the disc, a plurality of logical grooves that communicate with the cavity are seted up to circumference on the valve rod, circumference is fixed with a plurality of travelers that run through logical groove on the outer face of cylinder of disc, a plurality of draw-in grooves have been seted up to valve rod up end circumference, disc up end circumference equipartition has a plurality of articulated seats with the draw-in groove one-to-one, rotate on the articulated seat and.

As a further aspect of the present invention: the number of the swing rods is four.

As a further aspect of the present invention: the swing rod is made of alloy steel.

As a further aspect of the present invention: a gap is arranged between the disc and the inner wall of the cavity of the valve rod.

As a further aspect of the present invention: and a ball is arranged between the sleeve and the valve rod.

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

this plug valve for oil drilling sets up the folding handle of liftable in the valve rod, during the flow regulation, lifts the handle and outwards rotates again and expand to the horizontality and can drive the valve rod and rotate, and the regulation finishes, rotates the handle to the folding of vertical state can accomplish the handle and accomodate, and convenient operation is swift, and occupation space is little, the installation of being convenient for is maintained.

Drawings

FIG. 1 is a perspective view of a plug valve for oil drilling;

FIG. 2 is a top view of a plug valve for oil drilling;

FIG. 3 is a perspective view of a valve stem in a plug valve for oil drilling.

In the figure: 1-valve body, 2-liquid inlet pipe, 3-liquid outlet pipe, 4-sleeve, 5-valve rod, 6-disc, 7-through groove, 8-sliding column, 9-clamping groove, 10-hinged seat, 11-swing rod and 12-handle.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a plug valve for oil drilling comprises a valve body 1, wherein a liquid inlet pipe 2 and a liquid outlet pipe 3 are respectively communicated with two sides of the valve body 1, a sleeve 4 is fixed on the top of the valve body 1, a valve rod 5 is rotatably sleeved in the sleeve 4, a cavity is formed in the valve rod 5, a disc 6 is movably clamped in the cavity, a plurality of through grooves 7 communicated with the cavity are circumferentially formed in the valve rod 5, a plurality of sliding columns 8 penetrating through the through grooves 7 are circumferentially fixed on the outer cylindrical surface of the disc 6, a plurality of clamping grooves 9 are circumferentially formed in the upper end surface of the valve rod 5, a plurality of hinge seats 10 corresponding to the clamping grooves 9 one by one are circumferentially distributed on the upper end surface of the disc 6, swing rods 11 are rotatably mounted on the hinge seats 10, and handles 12 are mounted;

referring to fig. 3, specifically, when the valve rod 5 needs to be rotated to adjust the flow rate, the disc 6 is lifted by holding the handle 12, the sliding column 8 slides upwards along the sliding groove 7, the handle 12 is rotated around each hinged seat 10 to drive the swing rod 11 to rotate outwards until the swing rod 11 rotates to a horizontal state and is clamped in the clamping groove 9, and the handle 12 is rotated in the circumferential direction to drive the valve rod 5 to rotate; after the adjustment is finished, the swing rods 11 are rotated to be in a vertical state, the handle 12 is loosened, the disc 6 falls to the bottom of the valve rod 5 under the action of gravity, and the handle 12 can be accommodated and hidden;

the specific number of the swing rods 11 is not limited, and in this embodiment, preferably, the number of the swing rods 11 is four;

in order to avoid the deformation of the oscillating bar 11 under pressure when the valve rod 5 is rotated, the oscillating bar 11 is made of alloy steel, has high mechanical strength and good bending resistance, and can avoid deformation;

in order to facilitate the lifting of the disc 6 from the stem 5, a gap is provided between the disc 6 and the inner wall of the cavity of the stem 5.

The working principle of the embodiment is as follows:

when the valve rod 5 needs to be rotated to adjust the flow, the disc 6 is lifted by holding the handle 12, the sliding column 8 slides upwards along the sliding chute 7, the handle 12 is rotated around each hinged seat 10 to drive the swinging rod 11 to rotate outwards until the swinging rod 11 rotates to a horizontal state and is clamped in the clamping groove 9, and the valve rod 5 can be driven to rotate by rotating the handle 12 in the circumferential direction; after the adjustment is finished, the swing rods 11 are rotated to be in a vertical state, the handle 12 is loosened, the disc 6 falls to the bottom of the valve rod 5 under the action of gravity, and the handle 12 can be stored and hidden.

Example 2

The plug valve for petroleum drilling comprises a valve body 1, wherein a liquid inlet pipe 2 and a liquid outlet pipe 3 are respectively communicated with two sides of the valve body 1, a sleeve 4 is fixed at the top of the valve body 1, a valve rod 5 is rotatably sleeved in the sleeve 4, a cavity is formed in the valve rod 5, a disc 6 is movably clamped in the cavity, a plurality of through grooves 7 communicated with the cavity are circumferentially formed in the valve rod 5, a plurality of sliding columns 8 penetrating through the through grooves 7 are circumferentially fixed on the outer cylindrical surface of the disc 6, a plurality of clamping grooves 9 are circumferentially formed in the upper end surface of the valve rod 5, a plurality of hinge seats 10 corresponding to the clamping grooves 9 one by one are circumferentially uniformly distributed on the upper end surface of the disc 6, swing rods 11 are rotatably mounted on the hinge seats 10, and handles 12 are mounted;

be equipped with the ball between sleeve 4 and the valve rod 5 to reduce the frictional force between sleeve 4 and the valve rod 5 greatly, make the rotation valve rod 5 more laborsaving.

This plug valve for oil drilling sets up liftable folding handle 12 in valve rod 5, during the regulation flow, lifts handle 12 and outwards rotates again and expand to the horizontality and can drive valve rod 5 and rotate, and the regulation finishes, rotates handle 12 to vertical state and can accomplish the folding of handle 12 and accomodate, and convenient operation is swift, and occupation space is little, the installation of being convenient for is maintained.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The plug valve for petroleum drilling comprises a valve body (1), wherein two sides of the valve body (1) are respectively communicated with a liquid inlet pipe (2) and a liquid outlet pipe (3), and the plug valve is characterized in that a sleeve (4) is fixed at the top of the valve body (1), a valve rod (5) is sleeved in the sleeve (4) in a rotating manner, a cavity is formed in the valve rod (5), a disc (6) is clamped in the cavity in an activity manner, a plurality of through grooves (7) communicated with the cavity are formed in the valve rod (5) in a circumferential manner, a plurality of sliding columns (8) penetrating through the through grooves (7) are fixed in the circumferential manner on the outer cylindrical surface of the disc (6), a plurality of clamping grooves (9) are formed in the circumferential manner on the upper end surface of the valve rod (5), a plurality of hinged seats (10) corresponding to the clamping grooves (9) one by one are uniformly distributed in the, and a handle (12) is arranged at the tail end of the swing rod (11).

2. Plug valve for oil drilling according to claim 1, characterized in that the number of the rocker levers (11) is four.

3. Plug valve for oil drilling according to claim 1, characterized in that the rocker lever (11) is made of alloy steel.

4. Plug valve for oil drilling according to claim 1, characterized in that a gap is provided between the disc (6) and the inner wall of the cavity of the stem (5).

5. Plug valve for oil drilling according to any of claims 1 to 4, characterised in that balls are provided between the sleeve (4) and the valve stem (5).