CN218845137U

CN218845137U - Eccentric valve for controlling slurry water flow for drilling

Info

Publication number: CN218845137U
Application number: CN202222793997.3U
Authority: CN
Inventors: 刘汉钦; 刘锋; 韩春来
Original assignee: Suzhou Shengke Valve Co ltd
Current assignee: Suzhou Shengke Valve Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-11
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a probing is with eccentric valve of control mud discharge, including the eccentric valve casing, the central point of the inside of eccentric valve casing puts and is equipped with the valve plate, the intermediate position at the back of valve plate is equipped with middle part water conservancy diversion position sleeve, the inside of middle part water conservancy diversion position sleeve is equipped with the valve rod, the front of valve plate is equipped with rubber seal, rubber seal's front end is equipped with the locating plate, the top of eccentric valve casing is equipped with the axle sleeve, the bottom of eccentric valve casing is equipped with down the axle sleeve, the top of going up the axle sleeve is equipped with sealed lid. The utility model provides a middle part water conservancy diversion position sleeve is equipped with to the intermediate position at the back of valve rod, establishes the cross section of middle part water conservancy diversion position sleeve into the toper structure, and the toper structure can make more slick and sly all around of middle part water conservancy diversion position sleeve, and is more smooth between the lines, has slick and sly more reduced the mounting structure between valve rod and the valve plate, reduces unsmooth level, reduces the hindrance of discharge.

Description

Eccentric valve for controlling slurry water flow for drilling

Technical Field

The utility model relates to an eccentric valve correlation field specifically is an eccentric valve of control mud discharge for probing.

Background

The eccentric valve can be divided into a single eccentric butterfly valve, a three eccentric butterfly valve and a variable eccentric butterfly valve, the eccentric butterfly valve is opposite to the concentric butterfly valve, the axis of the valve rod deviates from the center of a disc and the center of a body at the same time, the butterfly valve with an oblique cone sealing pair is called as the eccentric butterfly valve, the butterfly valve and the upper and lower valve shafts adopt a connecting mode of a special-shaped hole and a special-shaped shaft, the function of pin-free connection of the disc in the process of opening and closing the disc is realized, the interference area between the disc and a valve seat is reduced, the torque is greatly reduced, the manufacturing process of single eccentric is realized by a floating structure of the disc, and the use function of variable eccentricity is realized.

Still there is certain drawback to the eccentric valve in use of control mud discharge for the drilling among the prior art, and traditional eccentric valve uses the bolt to carry out erection joint to the mode of valve rod and valve plate installation, and several lugs can appear in the position that valve rod and valve plate are connected, and when the valve plate was opened, these lugs can form certain hindrance to rivers, influence discharge control's effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling is with eccentric valve of control mud discharge to solve the traditional eccentric valve that proposes in the above-mentioned background art and to the mode of valve rod and valve plate installation, use the bolt to carry out erection joint, several lugs can appear in the position that valve rod and valve plate are connected, and when the valve plate was opened, these lugs can form certain hindrance, influence the problem of discharge control's effect to rivers.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a probing is with eccentric valve of control mud discharge, includes the eccentric valve casing, the central point of the inside of eccentric valve casing puts and is equipped with the valve plate, the intermediate position at the back of valve plate is equipped with middle part water conservancy diversion position sleeve, the inside of middle part water conservancy diversion position sleeve is equipped with the valve rod, the front of valve plate is equipped with rubber seal, rubber seal's front end is equipped with the locating plate, the top of eccentric valve casing is equipped with the axle sleeve, the bottom of eccentric valve casing is equipped with down the axle sleeve, the top of going up the axle sleeve is equipped with sealed lid.

In a further embodiment, the cross section of the middle diversion positioning sleeve is a conical structure, and the small caliber faces outwards and the large caliber faces inwards.

In a further embodiment, an upper positioning sleeve is arranged above the middle diversion positioning sleeve, a lower positioning sleeve is arranged below the middle diversion positioning sleeve, and the cross section of the connecting position of the upper positioning sleeve and the lower positioning sleeve with the middle diversion positioning sleeve is designed to be a V-shaped notch structure.

In a further embodiment, a sealing filler is arranged in a gap where the interior of the upper shaft sleeve and the valve rod intersect, the sealing cover is fixedly connected with the upper shaft sleeve through a first fixing screw, and the cross section of the upper half part of the upper shaft sleeve is in a trapezoidal structure.

In a further embodiment, the rubber sealing ring, the valve plate and the positioning plate are fixedly connected through a second fixing screw, and a hollow structure is arranged inside the rubber sealing ring.

In a further embodiment, the inner ring of the positioning plate is provided with an inner notch, and the cross section of the inner notch is of a conical structure.

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

1. the utility model discloses a middle position at the back of valve rod in is equipped with middle part water conservancy diversion position sleeve, establish the cross section of middle part water conservancy diversion position sleeve to the toper structure, the toper structure can make more slick and sly all around of middle part water conservancy diversion position sleeve, and more smooth between the lines, mounting structure between valve rod and the valve plate has more slick and sly more, reduce unsmooth level, reduce the hindrance of discharge, also improve the fastness of valve plate installation simultaneously, and go up the position sleeve and establish to V type notch structure with the cross section of middle part water conservancy diversion position sleeve hookup location down, can make rivers through V type notch structure more smooth and easy, when the valve plate is opened, control discharge that can be better.

Drawings

FIG. 1 is a schematic structural view of an eccentric valve for controlling the flow rate of slurry for drilling according to the present invention;

fig. 2 is a back structure schematic diagram of the valve rod of the present invention;

fig. 3 is a schematic front structural view of the valve rod of the present invention;

fig. 4 is a side view of the valve plate of the present invention.

In the figure: 1. an eccentric valve housing; 2. a valve stem; 3. a sealing cover; 4. sealing and filling; 5. an upper shaft sleeve; 6. mounting a positioning sleeve; 7. a middle diversion positioning sleeve; 8. a lower positioning sleeve; 9. a lower shaft sleeve; 10. a valve plate; 11. positioning a plate; 12. a rubber seal ring; 13. a first fixing screw; 14. an inner recess; 15. and a second fixing screw.

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.

Referring to fig. 1-4, the present invention provides an embodiment of: the utility model provides a probing is with eccentric valve of control mud discharge, including eccentric valve case 1, the central point of the inside of eccentric valve case 1 puts and is equipped with valve plate 10, the intermediate position at the back of valve plate 10 is equipped with middle part water conservancy diversion position sleeve 7, the inside of middle part water conservancy diversion position sleeve 7 is equipped with valve rod 2, the front of valve plate 10 is equipped with rubber seal 12, rubber seal 12's front end is equipped with locating plate 11, the top of eccentric valve case 1 is equipped with axle sleeve 5, the bottom of eccentric valve case 1 is equipped with lower axle sleeve 9, the top of going up axle sleeve 5 is equipped with sealed lid 3.

Be used for carrying out the switch with the inside of eccentric valve casing 1 through valve plate 10, be used for increasing the fastness of valve rod 2 installation through middle part water conservancy diversion position sleeve 7, still increase the smoothness nature of discharge, be used for opening the valve plate 10 rotation or close through valve rod 2, be used for increasing the leakproofness that valve plate 10 closed through rubber seal 12, be used for fixing a position the position of installing rubber seal 12 through locating plate 11 and seal.

Furthermore, the cross section of the middle diversion positioning sleeve 7 is of a conical structure, the small caliber faces outwards, and the large caliber faces inwards.

The surface smoothness of the middle diversion positioning sleeve 7 can be improved through the conical structure, and the obstruction of water flow is reduced.

Furthermore, an upper positioning sleeve 6 is arranged above the middle diversion positioning sleeve 7, a lower positioning sleeve 8 is arranged below the middle diversion positioning sleeve 7, and the cross section of the connecting position of the upper positioning sleeve 6, the lower positioning sleeve 8 and the middle diversion positioning sleeve 7 is designed to be a V-shaped notch structure.

The firmness of the installation of the valve rod 2 can be increased by the upper locating sleeve 6 and the lower locating sleeve 8.

Furthermore, a sealing filler 4 is arranged at a gap where the interior of the upper shaft sleeve 5 and the valve rod 2 are crossed, the sealing cover 3 is fixedly connected with the upper shaft sleeve 5 through a first fixing screw 13, and the cross section of the upper half part of the upper shaft sleeve 5 is of a trapezoid structure.

The sealing packing 4 is used for increasing the sealing performance of the installation of the inner part of the upper shaft sleeve 5 and the valve rod 2.

Further, all through second set screw 15 fixed connection between rubber seal 12 and valve plate 10 and the locating plate 11, and rubber seal 12's inside establishes to hollow out construction.

And the second fixing screw 15 is used for installing and fixing the rubber sealing ring 12, the valve plate 10 and the positioning plate 11.

Further, the inner ring of the positioning plate 11 is provided with an inner notch 14, and the cross section of the inner notch 14 is provided with a tapered structure.

The inner recess 14 serves to increase the tightness of the connection of the inner ring to the rubber sealing ring 12.

The working principle is as follows: during the use, install valve plate 10 in the inside of eccentric valve casing 1, install valve rod 2 from last axle sleeve 5, penetrate position sleeve 6 in proper order, in middle part water conservancy diversion position sleeve 7 and the lower position sleeve 8, make the bottom and the lower axle sleeve 9 of valve rod 2 inlay, install sealing filler 4 in last axle sleeve 5 with the clearance sealed, cover sealed lid 3, it is fixed through first fixed screw 13, install rubber seal 12 in the front of valve plate 10, and cover locating plate 11, through second fixed screw 15 with locating plate 11, rubber seal 12 and valve plate 10 are fixed as an organic whole, rotatory valve rod 2, it opens to drive valve plate 10, rivers can from the gap outflow of opening.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An eccentric valve for controlling the flow of mud water for drilling comprising an eccentric valve housing (1), characterized in that: the valve plate (10) is arranged at the center of the inside of the eccentric valve shell (1), the middle of the back of the valve plate (10) is provided with the middle diversion positioning sleeve (7), the valve rod (2) is arranged inside the middle diversion positioning sleeve (7), the rubber sealing ring (12) is arranged on the front face of the valve plate (10), the positioning plate (11) is arranged at the front end of the rubber sealing ring (12), the upper shaft sleeve (5) is arranged at the top of the eccentric valve shell (1), the lower shaft sleeve (9) is arranged at the bottom of the eccentric valve shell (1), and the sealing cover (3) is arranged above the upper shaft sleeve (5).

2. The eccentric valve for controlling the flow of mud water for drilling according to claim 1, wherein: the cross section of the middle diversion positioning sleeve (7) is of a conical structure, the small caliber faces outwards, and the large caliber faces inwards.

3. The eccentric valve for controlling the flow of mud water for drilling according to claim 1, wherein: the top of middle part water conservancy diversion position sleeve (7) is equipped with position sleeve (6), the below of middle part water conservancy diversion position sleeve (7) is equipped with down position sleeve (8), and goes up position sleeve (6) and down position sleeve (8) and middle part water conservancy diversion position sleeve (7) the cross section of hookup location and establish to V notch structure.

4. The eccentric valve for controlling the flow of mud water for drilling according to claim 1, wherein: the sealing structure is characterized in that a sealing filler (4) is arranged at a gap where the interior of the upper shaft sleeve (5) and the valve rod (2) are crossed, the sealing cover (3) is fixedly connected with the upper shaft sleeve (5) through a first fixing screw (13), and the cross section of the upper half part of the upper shaft sleeve (5) is of a trapezoid structure.

5. The eccentric valve for controlling the flow of mud water for drilling according to claim 1, wherein: rubber seal (12) and valve plate (10) and locating plate (11) between all through second set screw (15) fixed connection, and the inside of rubber seal (12) is established to hollow out construction.

6. The eccentric valve for controlling the flow of mud water for drilling according to claim 1, wherein: an inner ring of the positioning plate (11) is provided with an inner notch (14), and the cross section of the inner notch (14) is of a conical structure.