CN214063837U

CN214063837U - Novel gate valve for oil and gas pipeline

Info

Publication number: CN214063837U
Application number: CN202022673807.5U
Authority: CN
Inventors: 范晓波
Original assignee: Zhejiang Hongye Valve Manufacturing Co ltd
Current assignee: Zhejiang Hongye Valve Manufacturing Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-27
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the technical field of oil gas pipe gate valve, especially, be a novel gate valve for oil gas pipeline, the water control valve comprises a valve body, valve body both ends welded mounting has flange, valve body top welded mounting has the installation end, installation end top welded mounting has first flange, seal receptacle is installed to first flange top screw thread, the seal receptacle top is rotated and is installed the valve rod, valve rod top joint is installed and is rotated the handle, installation end inner wall cover is established and is installed the seal ring stopper, valve body inner wall top both sides welded mounting has the female connection ring, the valve rod bottom run through extend to in the valve body and with female connection ring threaded connection, the locating piece is installed in the rotation of valve rod bottom, locating piece bottom both sides welded mounting has the connecting block. The utility model has the advantages of reasonable overall design, the leakproofness of effectual increase gate valve, life is more of a specified duration, and further for using improve convenience.

Description

Novel gate valve for oil and gas pipeline

Technical Field

The utility model relates to an oil gas pipe gate valve technical field especially relates to a novel gate valve for oil gas pipeline.

Background

The gate valve is an opening and closing member gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the gate valve is sealed by the contact of a valve seat and the gate plate, and metal materials are usually welded on a sealing surface to increase the wear resistance.

However, to adopting no guiding hole plate valve, because the flashboard does not have the guiding hole, the flashboard is shorter, at the valve full-open state, the disk seat lock ring leads to the disk seat lock ring to appear the V-arrangement attitude because of lacking the support under the effect of pretension, when closing the valve, inevitably appears the phenomenon of flashboard transition wearing and tearing disk seat, leads to the valve life to shorten, and the gate valve leakproofness reduces after using for a long time easily, can not satisfy the use, for this reason, provides a novel gate valve for oil gas pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel gate valve for oil and gas pipelines.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel gate valve for oil and gas pipelines comprises a valve body, wherein connecting flanges are welded at two ends of the valve body, a mounting end is welded at the top end of the valve body, a first flange is welded at the top end of the mounting end, a sealing seat is installed at the top end of the first flange in a threaded manner, a valve rod is rotatably installed at the top end of the sealing seat, a rotating handle is clamped and installed at the top end of the valve rod, a sealing ring plug is sleeved and installed on the inner wall of the mounting end, internal thread connecting rings are welded and installed at two sides of the top end of the inner wall of the valve body, the bottom end of the valve rod extends into the valve body in a penetrating manner and is in threaded connection with the internal thread connecting rings, a positioning block is rotatably installed at the bottom end of the positioning block in a welded manner, a sliding block is rotatably installed at one end, which is far away from each other, a rotating groove is formed at the bottom end of the inner wall of the valve body, and a valve plate is rotatably installed in the rotating groove, the valve plate is provided with a sliding groove at one side close to each other, and the sliding block is connected with the sliding groove in a sliding mode.

Preferably, the valve body both ends are equipped with feed inlet and discharge gate, flange all welded mounting is on air inlet and venthole.

Preferably, one side of the valve plate, which is far away from each other, is adhered with a sealing rubber plug.

Preferably, the top end of the inner wall of the valve body is provided with a sealing clamping groove corresponding to the valve plate.

Preferably, the two sides of the inner wall of the rotating groove are rotatably provided with a round shaft, and the valve plate is rotatably connected with the round shaft.

Preferably, the two sides of the inner wall of the valve body are provided with a material passing cavity.

Compared with the prior art, the beneficial effects of the utility model are that: when the valve body is closed, the positioning block descends when the rotating handle is rotated, the two valve plates are propped open by the connecting block, and the two ends of the feed inlet and the two ends of the discharge outlet of the inner wall of the valve body are completely sealed.

The utility model has the advantages of reasonable overall design, easy operation, convenient to use, the leakproofness of effectual increase gate valve, life is more of a specified duration, and further for using improve convenience.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic top sectional view of the present invention;

in the figure: 1. a valve body; 2. a connecting flange; 3. an installation end; 4. a first flange; 5. a sealing seat; 6. a valve stem; 7. rotating the handle; 8. sealing a ring plug; 9. an internal thread connecting ring; 10. positioning blocks; 11. connecting blocks; 12. a slider; 13. a rotating groove; 14. a valve plate; 15. a chute; 16. a feed through cavity.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel gate valve for oil and gas pipelines comprises a valve body 1, connecting flanges 2 are fixedly installed at two ends of the valve body 1, an installation end 3 is fixedly installed at the top end of the valve body 1, a first flange 4 is fixedly installed at the top end of the installation end 3, a seal seat 5 is fixedly installed at the top end of the first flange 4, a valve rod 6 is rotatably installed at the top end of the seal seat 5, a rotating handle 7 is movably installed at the top end of the valve rod 6, a seal ring plug 8 is fixedly installed on the inner wall of the installation end 3, internal thread connecting rings 9 are fixedly installed at two sides of the top end of the inner wall of the valve body 1, the bottom end of the valve rod 6 penetrates through the valve body 1 and is movably connected with the internal thread connecting rings 9, a positioning block 10 is rotatably installed at the bottom end of the positioning block 10, a sliding block 12 is rotatably installed at one end, which is far away from each other, a rotating groove 13 is formed at the bottom end of the inner wall of the valve body 1, and a valve plate 14 is rotatably installed in the rotating groove 13, a sliding groove 15 is formed in one side, close to each other, of the valve plate 14, and the sliding block 12 is in sliding connection with the sliding groove 15;

the two ends of the valve body 1 are provided with a feeding hole and a discharging hole, the connecting flange 2 is fixedly arranged on an air inlet and an air outlet, one side of the valve plate 14, which is far away from each other, is fixedly provided with a sealing rubber plug, the top end of the inner wall of the valve body 1 is provided with a sealing clamping groove corresponding to the valve plate 14, the two sides of the inner wall of the rotating groove 13 are rotatably provided with a round shaft, the valve plate 14 is rotatably connected with the round shaft, the two sides of the inner wall of the valve body 1 are provided with a material passing cavity 16, when in use, the rotating handle 7 is rotated to drive the valve rod 6 to rotate in the inner thread connecting ring 9, so that the valve rod 6 is lifted, the connecting blocks 11 at the two sides are connected with the sliding block 12 to lift up along the sliding grooves 15, the two valve plates 14 are combined and closed, so that oil gas is discharged from the discharging hole 16 through the feeding hole to the material passing cavity 16, when the rotating handle 7 is rotated, the positioning block 10 descends, and the two valve plates 14 are supported by the connecting blocks 11, totally enclosed live the feed inlet and the discharge gate both ends of 1 inner wall of valve body can, the utility model has the advantages of reasonable overall design, easy operation, convenient to use, the leakproofness of effectual increase gate valve, life is more of a specified duration, and further for using improve convenient.

The working principle is as follows: during the use rotate handle 7 and drive the internal thread go-between 9 rotations including valve rod 6, make valve rod 6 rise, thereby take locating piece 10, connecting block 11 of both sides is connecting slider 12 and is ascending along spout 15, according to lever principle, merge two valve plates 14 and draw close, thereby make oil gas pass through the feed inlet and lead to material chamber 16 again by the discharge gate discharge, when needing to close, locating piece 10 descends when rotating handle 7, utilizes connecting block 11 to strut two valve plates 14, seals totally that the feed inlet and the discharge gate both ends of 1 inner wall of valve body can, the utility model has the advantages of reasonable overall design, easy operation, convenient to use, the leakproofness of effectual increase gate valve, life is more of a specified duration, and further for using improve convenience.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel gate valve for oil gas pipeline, includes valve body (1), its characterized in that: the improved valve is characterized in that connecting flanges (2) are fixedly mounted at two ends of the valve body (1), a mounting end (3) is fixedly mounted at the top end of the valve body (1), a first flange (4) is fixedly mounted at the top end of the mounting end (3), a sealing seat (5) is fixedly mounted at the top end of the first flange (4), a valve rod (6) is rotatably mounted at the top end of the sealing seat (5), a rotating handle (7) is movably mounted at the top end of the valve rod (6), a sealing ring plug (8) is fixedly mounted at the inner wall of the mounting end (3), an internal thread connecting ring (9) is fixedly mounted at two sides of the top end of the valve body (1), the bottom end of the valve rod (6) is penetratingly extended into the valve body (1) and is movably connected with the internal thread connecting ring (9), a positioning block (10) is rotatably mounted at the bottom end of the valve rod (6), and a connecting block (11) is fixedly mounted at two sides of the bottom end of the positioning block (10), the one end that connecting block (11) kept away from each other is rotated and is installed slider (12), rotation groove (13) have been seted up to valve body (1) inner wall bottom, valve plate (14) have been installed to rotation groove (13) internal rotation, spout (15) have been seted up to the one side that valve plate (14) are close to each other, slider (12) and spout (15) sliding connection.

2. The gate valve of claim 1, wherein: the valve body (1) both ends are equipped with feed inlet and discharge gate, equal fixed mounting of flange (2) is on air inlet and venthole.

3. The gate valve of claim 1, wherein: and a sealing rubber plug is fixedly arranged on one side, far away from each other, of the valve plate (14).

4. The gate valve of claim 1, wherein: the top end of the inner wall of the valve body (1) is provided with a sealing clamping groove corresponding to the valve plate (14).

5. The gate valve of claim 1, wherein: the rotary valve is characterized in that circular shafts are rotatably arranged on two sides of the inner wall of the rotary groove (13), and the valve plate (14) is rotatably connected with the circular shafts.

6. The gate valve of claim 1, wherein: and the two sides of the inner wall of the valve body (1) are provided with a material passing cavity (16).