CN217401733U

CN217401733U - Large-drift-diameter labor-saving manual flat valve

Info

Publication number: CN217401733U
Application number: CN202123288621.9U
Authority: CN
Inventors: 王鑫; 陈宇轩; 王帅; 于海; 郑向勇; 邵金海
Original assignee: Shaanxi Yanchang Petroleum Jinshi Drilling Equipment Co Ltd
Current assignee: Shaanxi Yanchang Petroleum Jinshi Drilling Equipment Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-09-09
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a laborsaving manual wafer valve of big latus rectum relates to oil valve technical field. A laborsaving manual wafer valve of big latus rectum includes: the valve body is internally provided with a horizontal through cavity; a vertical through cavity is arranged in the valve body; the horizontal through cavity and the vertical through cavity are vertically communicated with each other; the valve body is provided with two groups of concave stations, and each group of concave stations is fixed with a group of valve seats; a valve plate is arranged on the valve seat; the upper valve cover is fixedly arranged on the valve body through a plurality of groups of fixing bolts; a first U-shaped packing block is arranged in the upper valve cover; the upper end of the valve plate is connected with a valve rod through a fixing block; the valve rod is inserted into the first U-shaped packing block; and a ball screw is mounted at the upper end of the valve rod. The utility model provides a pair of laborsaving manual wafer valve of big latus rectum has convenient operation and can open the advantage of closing fast.

Description

Large-drift-diameter labor-saving manual flat valve

Technical Field

The utility model relates to a petroleum valve technical field especially relates to a laborsaving manual wafer valve of big latus rectum.

Background

A flat gate valve is a sliding valve whose closing member is a parallel gate plate. The closing member can be a single gate or a double gate with a spreader mechanism in between. The plate gate valve may be classified into a manual plate gate valve, a pneumatic plate gate valve, and an electric plate gate valve according to a driving manner. The gate valve can be divided into a plate gate valve with a diversion hole, a plate gate valve without a diversion hole, an oil field plate gate valve, a pipeline plate gate valve, a gas plate gate valve and the like according to the application and the use occasion.

At present, manual flat valves are widely applied to well control equipment of petroleum drilling. The conventional manual flat valve is often required to be opened and closed under the condition of full pressure difference, a hand wheel is mostly rotated to drive a valve rod to drive a valve plate to move so as to work in a medium cutting mode, at least three persons rotate together to close the large-diameter manual flat valve in order to overcome the pressure of a medium in a cavity of the large-diameter manual flat valve, the use is inconvenient, the closing speed is low, the phenomenon of closing delay is easy to occur, and adverse effects are further caused on the production process.

Therefore, it is necessary to provide a new large-diameter labor-saving manual flat valve to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a convenient operation with can open the laborsaving manual wafer valve of big latus rectum of closing fast.

The utility model provides a laborsaving manual wafer valve of big latus rectum includes: the valve body is internally provided with a horizontal through cavity; a vertical through cavity is arranged in the valve body; the horizontal through cavity and the vertical through cavity are vertically communicated with each other; the valve body is provided with two groups of concave platforms, and each group of concave platforms is fixed with a group of valve seats; and the valve plate is arranged on the valve seat.

Preferably, the upper valve cover is arranged on the upper part of the valve body and fixedly arranged on the valve body through a plurality of groups of fixing bolts; a first U-shaped packing block is installed in the upper valve cover.

Preferably, the upper end of the valve plate is connected with a valve rod through a fixing block; the valve rod is inserted into the first U-shaped packing block.

Preferably, a ball screw is mounted at the upper end of the valve rod.

Preferably, an adapter is installed at the upper end of the ball screw through a first fixing screw, and a hand wheel is installed on the adapter.

Preferably, the lower part of the valve body is provided with a lower valve cover, and the lower valve cover is fixedly arranged on the valve body through a plurality of groups of fixing bolts; and a second U-shaped packing block is arranged in the lower valve cover.

Preferably, the lower end of the valve plate is provided with a tail rod through a second fixing screw; the tail rod is inserted into the second U-shaped packing block.

Compared with the prior art, the utility model provides a pair of laborsaving manual wafer valve of big latus rectum has following beneficial effect: the utility model discloses when in use carries out opening and closing of wafer valve, rotation through the hand wheel utilizes crossover sub to drive ball and rotates, thereby make ball stimulate the valve rod and drive the valve plate and reciprocate, carry out cutting off of medium from this, thereby realize opening and closing of wafer valve, and because ball's setting, whole operation process transmission efficiency is higher, it is more laborsaving, greatly reduced opens and close the moment of torsion, it is more convenient to operate, only need alone just can accomplish, and the closing speed has been improved, the safe normal clear of production process has been guaranteed.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a large-bore labor-saving manual flat valve provided by the present invention;

fig. 2 is a cross-sectional view of a large-bore labor-saving manual flat valve shown in fig. 1.

Reference numbers in the figures: 1. a valve body; 2. a horizontal through cavity; 3. a vertical through cavity; 4. a concave platform; 5. a valve seat; 6. a valve plate; 7. an upper valve cover; 8. fixing the bolt; 9. a first U-shaped filler block; 10. a fixed block; 11. a valve stem; 12. a ball screw; 13. a crossover sub; 14. a first set screw; 15. a hand wheel; 16. a lower valve cover; 17. a second U-shaped filler block; 18. a tail rod; 19. and a second set screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 and 2, a large-bore labor-saving manual flat valve includes: the valve comprises a valve body 1, wherein a horizontal through cavity 2 is arranged in the valve body 1; a vertical through cavity 3 is arranged in the valve body 1; the horizontal through cavity 2 and the vertical through cavity 3 are vertically communicated with each other; two groups of concave stations 4 are arranged on the valve body 1, and a group of valve seats 5 are fixed on each group of concave stations 4; and a valve plate 6 is arranged on the valve seat 5.

Need to explain: the arrangement of the horizontal through cavity 2 in the valve body 1 is used for conveying media; the vertical through cavity 3 is used for enabling the valve plate 6 to move up and down, so that the opening and closing of the flat valve are realized; the valve seat 5 is arranged for support and sealing, and the diameter of the valve seat 5 is the maximum flow diameter of the valve.

Referring to fig. 1 and 2, an upper valve cover 7 is mounted on the upper portion of the valve body 1, and the upper valve cover 7 is fixedly mounted on the valve body 1 through a plurality of sets of fixing bolts 8; and a first U-shaped packing block 9 is arranged in the upper valve cover 7.

Need to explain: the upper valve cover 7 can be tightly fixed on the upper part of the valve body 1 through the arrangement of a plurality of groups of fixing bolts 8, so that the influence on the normal use of the flat valve caused by looseness in the use process is avoided; and the sealing between the valve rod 11 and the upper valve cover 7 can be ensured by installing the first U-shaped packing block 9 in the upper valve cover 7.

Referring to fig. 1, the upper end of the valve plate 6 is connected with a valve rod 11 through a fixing block 10; the valve stem 11 is inserted in the first U-shaped packing block 9.

Need to explain: the valve rod 11 is arranged at the upper end of the valve plate 6, so that the valve plate 6 can be driven to move up and down through the movement of the valve rod 11; and the valve rod 11 is inserted into the first U-shaped packing block 9, so that the sealing between the valve rod 11 and the upper valve cover 7 can be ensured, and the normal use of the flat valve can be ensured.

Referring to fig. 2, a ball screw 12 is mounted on the upper end of the valve stem 11.

Need to explain: through at 11 upper ends of valve rod installation ball 12 to usable ball 12 is drawing valve rod 11 and is driving valve plate 6 and reciprocate, makes operation process transmission efficiency higher with this, and is more laborsaving, greatly reduced open and close the moment of torsion, and it is more convenient to operate, only needs alone just can accomplish, and has improved closing speed, has guaranteed the safe normal clear of production process.

Referring to fig. 1 and 2, an adapter 13 is mounted at the upper end of the ball screw 12 through a first fixing screw 14, and a hand wheel 15 is mounted on the adapter 13.

Need to explain: the user utilizes crossover sub 13 to drive ball 12 through the rotation of hand wheel 15 and rotates to make ball 12 pull valve rod 11 and drive valve plate 6 and reciprocate, carry out the cutting off of medium from this, thereby realize opening and closing of wafer valve.

Referring to fig. 1 and 2, a lower valve cover 16 is mounted at the lower part of the valve body 1, and the lower valve cover 16 is fixedly mounted on the valve body 1 through a plurality of sets of fixing bolts 8; and a second U-shaped packing block 17 is arranged in the lower valve cover 16.

Need to explain: the lower valve cover 16 can be tightly fixed at the lower part of the valve body 1 through the arrangement of a plurality of groups of fixing bolts 8, so that the condition that the normal use of the flat valve is influenced due to the looseness generated in the use process is avoided; and a seal between the tail rod 18 and the lower valve cover 16 can be ensured by installing a second U-shaped packing block 17 in the lower valve cover 16.

Referring to fig. 1 and 2, a tail rod 18 is mounted at the lower end of the valve plate 6 through a second fixing screw 19; the tail rod 18 is inserted in the second U-shaped packing block 17.

Need to explain: the tail rod 18 is arranged at the lower end of the valve plate 6, so that the function of guiding balance is achieved; and the tail rod 18 is inserted into the second U-shaped packing block 17, so that the sealing between the tail rod 18 and the lower valve cover 16 can be ensured, and the normal use of the flat valve can be ensured.

The utility model provides a pair of laborsaving manual wafer valve's of big latus rectum theory of operation as follows:

the utility model discloses when using, rotation through hand wheel 15 utilizes crossover sub 13 to drive ball 12 and rotates, thereby make ball 12 stimulate valve rod 11 to drive valve plate 6 and reciprocate, carry out cutting off of medium from this, thereby realize opening and closing of wafer valve, and because ball 12's setting, whole operation process transmission efficiency is higher, and is more laborsaving, greatly reduced opens and close the moment of torsion, it is more convenient to operate, only need alone just can accomplish, and the closing speed has been improved, the safe normal clear of production process has been guaranteed.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a big latus rectum laborsaving manual wafer valve which characterized in that includes:

the valve comprises a valve body (1), wherein a horizontal through cavity (2) is arranged in the valve body (1); a vertical through cavity (3) is arranged in the valve body (1); the horizontal through cavity (2) and the vertical through cavity (3) are vertically communicated with each other; two groups of concave stations (4) are arranged on the valve body (1), and a group of valve seats (5) are fixed on each group of concave stations (4); a valve plate (6) is arranged on the valve seat (5);

the upper end of the valve plate (6) is connected with a valve rod (11) through a fixing block (10); the valve rod (11) is inserted into the first U-shaped packing block (9).

2. The large-diameter labor-saving manual flat valve is characterized in that an upper valve cover (7) is mounted at the upper part of the valve body (1), and the upper valve cover (7) is fixedly mounted on the valve body (1) through a plurality of groups of fixing bolts (8); a first U-shaped packing block (9) is installed in the upper valve cover (7).

3. A large-diameter labor-saving manual flat valve according to claim 1, wherein a ball screw (12) is mounted on the upper end of the valve rod (11).

4. A large-diameter labor-saving manual flat valve according to claim 3, wherein the upper end of the ball screw (12) is provided with an adapter (13) through a first fixing screw (14), and the adapter (13) is provided with a hand wheel (15).

5. The large-diameter labor-saving manual flat valve is characterized in that a lower valve cover (16) is installed at the lower part of the valve body (1), and the lower valve cover (16) is fixedly installed on the valve body (1) through a plurality of groups of fixing bolts (8); and a second U-shaped packing block (17) is arranged in the lower valve cover (16).

6. A large-diameter labor-saving manual flat valve according to claim 1, wherein the lower end of the valve plate (6) is provided with a tail rod (18) through a second fixing screw (19); the tail rod (18) is inserted into the second U-shaped filler block (17).