CN215334620U

CN215334620U - High-pressure union type plug valve

Info

Publication number: CN215334620U
Application number: CN202121782902.7U
Authority: CN
Inventors: 袁中华; 袁鑫; 邓洪彬; 顾伟; 秦永爽
Original assignee: Yancheng Xiongwei Petrochemical General Machinery Equipment Co ltd
Current assignee: Yancheng Xiongwei Petrochemical General Machinery Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-28
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a high-pressure union plug valve, which comprises a main body, a bearing block and a water through hole, wherein the bearing block is provided with an adjusting device and a plurality of sealing devices, the adjusting device comprises an upper shell, a first sealing device, a rotating sleeve, a lifting device, a connecting plate and a moving device, the upper shell is connected with one end of the first sealing device, the bearing block is connected with the other end of the first sealing device, the main body is arranged at the lower end of the bearing block, the water through hole is formed in the main body, the rotating sleeve is arranged on the upper shell, the lifting device is arranged on the rotating sleeve and is matched and connected with the rotating sleeve, the connecting plate is matched and connected with the rotating sleeve, one end of the moving device is connected with the rotating sleeve, the other end of the moving device is connected with the connecting plate, and when a valve is used, fluid under the influence of pressure can be correspondingly adjusted through the action of the adjusting device, so that the condition that leakage cannot occur is ensured, thereby ensuring the overall stability.

Description

High-pressure union type plug valve

Technical Field

The utility model relates to the technical field of engineering such as oil field exploitation, in particular to a special valve for controlling oil field exploitation.

Background

With the rapid development of national economy of China, the needed crude oil is multiplied, more and more valves are used for controlling pipelines, more and more oil fields are developed and constructed, high-pressure liquid needs to be injected for exploitation due to high density and hardening of the oil, and meanwhile, the content of corrosive substances such as sulfide in the crude oil is high. The valve at the wellhead plays a key role. Improve degree of automation, reduce intensity of labour, be designed and manufactured specially to this kind of operating mode situation, patent number CN201920341087.7 discloses not being provided with multiple sealing device in a high pressure resistant plug valve, when carrying out the use of valve, do not be provided with multiple sealing device and probably cause the leakage when using, thereby whole control process has been influenced, thereby the practicality has been reduced, current technique is not provided with adjusting device, current valve is when using, it can not cause and can not carry out corresponding regulation to the fluid of different pressure not to be provided with adjusting device, thereby influence the process of whole regulation, current technique is not provided with lubricating arrangement, when using the valve, it can cause the valve to use and produce great resistance not to be provided with lubricating arrangement, thereby the use of valve has been influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a high-pressure union plug valve to solve the technical problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-pressure oil union type plug valve comprises a main body, a bearing block and a water opening, wherein the bearing block is provided with an adjusting device and a plurality of sealing devices, the adjusting device comprises an upper shell, a first sealing device, a rotating sleeve, a lifting device, a connecting plate and a moving device, the upper shell is connected with one end of the first sealing device, the bearing block is connected with the other end of the first sealing device, the main body is arranged at the lower end of the bearing block, the water opening is formed in the main body, the rotating sleeve is arranged on the upper shell, the lifting device is arranged on the rotating sleeve, the rotating sleeve is connected in a matching way, the connecting plate is connected with the rotating sleeve in a matching way, one end of the moving device is connected with the rotating sleeve, the other end of the moving device is connected with the connecting plate, the plurality of sealing devices comprise a sealing sleeve, a lifting block, a water blocking sleeve and a clamping block, the sealing sleeve is connected onto a pressing block, the lifting block is arranged on the lifting rod, the water blocking block is provided with two clamping blocks, and the two clamping blocks are connected with the lifting block in a matching way, and the rotating sleeve is provided with a lubricating device.

Preferably, the first sealing device comprises a plurality of sealing plates and a plurality of sealing bolts, the sealing plates and the sealing bolts are respectively arranged on the upper shell and the bearing block, the sealing bolts are respectively arranged on the sealing plates, and the sealing tightness is ensured by the design of the first sealing device.

In further preferred, elevating gear includes lifter, first lift cover, second lift cover, hand wheel and stationary blade, installs first lift cover and second lift cover on the lifter, the terminal surface is connected in rotating the cover under the second lift cover to with rotate the cover and be the rotation connection, first lift cover is threaded connection with rotating the cover, and the installation of first lift cover is in second lift cover upper end, hand wheel fixed mounting is sheathe in at the second lift, second lift cover and lifter are threaded connection, the stationary blade is installed on the hand wheel, elevating gear's design has guaranteed that sealed degree can be adjusted according to pressure, thereby sealed tightness has been guaranteed.

In further preferred, mobile device includes link, rotation bolt, connecting bolt and briquetting, the link is provided with two, and the symmetry is installed respectively and is sheathe in rotating, rotates the bolt and passes connecting bolt and install two on the link, connecting bolt and connecting plate cooperation are connected, and the briquetting is installed on the connecting plate to be connected with the lifter cooperation, mobile device's design has guaranteed the convenience of regulation.

In a further preferred mode, the two moving devices are arranged and symmetrically mounted on the rotating sleeve respectively, and the sealing continuity is guaranteed due to the design of the two moving devices.

In further preferred, the seal cover is provided with a plurality of, and respectively the symmetry install at the briquetting lower extreme, and a plurality of seal covers are connected respectively on the lifter, and the sealed tightness has been guaranteed in the design of a plurality of seal covers.

In further preferred, lubricating arrangement includes first oil filler point, first bolt, second oil filler point and second bolt, and first oil filler point and second oil filler point are seted up respectively and are sheathe in rotating, and first bolt and second bolt are installed respectively on first oil filler point and second oil filler point, have guaranteed through lubricating arrangement's design, and the valve can not produce great resistance because of rustting to influenced the process that holistic valve was opened, thereby promoted valve control's efficiency.

Compared with the prior art, the utility model provides a high-pressure union plug valve which has the following beneficial effects:

according to the utility model, through the design of the adjusting device, when the valve is used, the fluid under the influence of pressure can be correspondingly adjusted through the action of the adjusting device, so that the condition of no leakage is ensured, the integral stability is ensured, the design of the multiple sealing device ensures that stable sealing can be carried out when the valve is sealed, the risk of valve leakage is reduced, and the design of the lubricating device ensures that the valve does not generate larger resistance due to rusting, so that the integral valve opening process is influenced, and the valve control efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a high pressure union plug valve of the present invention;

FIG. 2 is a schematic structural view of the lifting device of the present invention;

fig. 3 is an exploded view of a high pressure union plug valve non-lifting device according to the present invention.

In the figure: 1. a main body; 2. a bearing block; 3. a water inlet; 4. an upper shell; 5. rotating the sleeve; 6. a connecting plate; 7. sealing sleeves; 8. a lifting block; 9. a water retaining block; 10. a water blocking sleeve; 11. a clamping block; 12. a sealing plate; 13. a seal bolt; 14. a lifting rod; 15. a first lifting sleeve; 16. a second lifting sleeve; 17. a hand wheel; 18. a fixing sheet; 19. a connecting end; 20. rotating the bolt; 21. a connecting bolt; 22. briquetting; 23. a first oil filler hole; 24. a first bolt; 25. a second oil filler hole; 26. and a second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a high-pressure oil union type plug valve comprises a main body 1, a bearing block 2 and a water through opening 3, wherein an adjusting device and a multiple sealing device are arranged on the bearing block 2, the adjusting device comprises an upper shell 4, a first sealing device, a rotating sleeve 5, a lifting device, a connecting plate 6 and a moving device, the upper shell 4 is connected with one end of the first sealing device, the bearing block 2 is connected with the other end of the first sealing device, the main body 1 is arranged at the lower end of the bearing block 2, the main body 1 is provided with the water through opening 3, the rotating sleeve 5 is arranged on the upper shell 4, the lifting device is arranged on the rotating sleeve 5, the rotating sleeve 5 is connected in a matching manner, the connecting plate 6 is connected with the rotating sleeve 5 in a matching manner, one end of the moving device is connected with the rotating sleeve 5, the other end of the moving device is connected with the connecting plate 6, the multiple sealing device comprises a sealing sleeve 7, a lifting block 8, a water blocking block 9, The water blocking sleeve 10 and the clamping blocks 11 are connected to the pressing block through the sealing sleeve 7, the lifting block 8 is installed on the lifting rod 14, the two clamping blocks 11 are installed on the water blocking block 9 and are symmetrically installed on the water blocking block 9, the water blocking sleeve 10 is installed on the water blocking block 9, the two clamping blocks 11 are connected with the lifting block 8 in a matched mode, and the lubricating device is installed on the rotating sleeve 5.

In this embodiment, the first sealing device includes a plurality of sealing plates 12 and sealing bolts 13, the sealing plates 12 and the sealing bolts 13 are respectively provided in plurality, the plurality of sealing plates 12 are respectively mounted on the upper casing 4 and the receiving block 2, the plurality of sealing bolts 13 are respectively mounted on the plurality of sealing plates 12, and the sealing plates 12 and the sealing bolts 13 cooperate to enable the whole device to perform stable operation.

In this embodiment, the lifting device includes a lifting rod 14, a first lifting sleeve 15, a second lifting sleeve 16, a hand wheel 17 and a fixing plate 18, the lifting rod 14 is provided with the first lifting sleeve 15 and the second lifting sleeve 16, the lower end surface of the second lifting sleeve 16 is connected in the rotating sleeve 5 and is rotatably connected with the rotating sleeve 5, the first lifting sleeve 15 and the rotating sleeve 5 are in threaded connection, the first lifting sleeve 15 is mounted at the upper end of the second lifting sleeve 16, the hand wheel 17 is fixedly mounted on the second lifting sleeve 16, the second lifting sleeve 16 is in threaded connection with the lifting rod 14, the fixing plate 18 is mounted on the hand wheel 17, and the sealing continuity is ensured under the combined action of the lifting rod 14, the first lifting sleeve 15, the second lifting sleeve 16, the hand wheel 17 and the fixing plate 18.

In this embodiment, the mobile device includes connecting end 19, rotation bolt 20, connecting bolt 21 and briquetting 22, connecting end 19 is provided with two, and the symmetry is installed respectively on rotating the cover 5, and rotation bolt 20 passes connecting bolt 21 and installs two on connecting end 19, connecting bolt 21 and connecting plate 6 cooperation are connected, and briquetting 22 is installed on connecting plate 6 to with lifter 14 cooperation connection, guaranteed holistic stability under the combined action of connecting end 19, rotation bolt 20, connecting bolt 21 and briquetting 22.

In this embodiment, the two moving devices are symmetrically installed on the rotating sleeve 5, and the design of the two moving devices ensures the continuity of the sealing adjustment.

In this embodiment, seal cover 7 is provided with a plurality ofly, and respectively the symmetry install at the briquetting lower extreme, and a plurality of seal covers 7 are connected respectively on lifter 14, and the design of a plurality of seal covers 7 has guaranteed that the valve can not produce in accepting piece 2 and leak.

In the present embodiment, the lubricating device includes a first oil hole 23, a first bolt 24, a second oil hole 25 and a second bolt 26, the first oil hole 23 and the second oil hole 25 are respectively provided on the rotating sleeve 5, the first bolt 24 and the second bolt 26 are respectively installed on the first oil hole 23 and the second oil hole 25, and the overall lubricating stability is ensured under the combined action of the first oil hole 23, the first bolt 24, the second oil hole 25 and the second bolt 26.

Example 2:

on the basis of embodiment 1, when the adjusting device is used, firstly, adjustment is performed according to the pressure in the pipeline, the nuts on the connecting bolts 21 are rotated to drive the connecting plate 6 to move up and down, then, the movement of the sealing sleeves 7 is driven by the movement of the pressing plate, so that the positions of the sealing sleeves 7 can be adjusted, different pressures are used, when sealing is performed, the lifting rods 14 rotate downwards to drive the sealing sleeves 7 to move downwards, therefore, the connecting plate 6 only needs to adjust the positions upwards, when the nuts are not rotated, the sealing sleeves 7 can move downwards, so that the adjusting process is completed, when a multi-sealing device is used, the hand wheel 17 is rotated firstly, because the hand wheel 17 is fixedly connected with the second lifting sleeve 16, and because the second lifting sleeve 16 is connected with the lifting rods 14 by screw threads, and because the first lifting sleeve 15 is arranged on the rotating sleeve 5, the first lifting sleeve 15 limits the movement of the second lifting sleeve 16, so that the lifting rod 14 can be driven to move up and down, and because the lifting block 8 can drive the water blocking block 9 and the water blocking sleeve 10 to move up and down, the water blocking sleeves can be matched and connected with the main body 1, the sealing processes of the sealing sleeves 7 and the upper shell 4 are carried out, and the water blocking block 9, the water blocking sleeve 10 and the main body 1 are matched and sealed, so that the whole sealing process is completed.

Example 3:

on the basis of embodiment 2, under the combined action of the adjusting device and the multiple sealing devices, when the lubricating device is used, and when the lubricating device is used for a long time, the situation that the lubricating device is not smoothly used can be generated, so that the lubricating oil is filled in the oil filling hole, the lubricating oil is filled in the rotating sleeve 5 and the upper shell 4 through the first oil filling hole 23 and the second oil filling hole 25 firstly, then the first bolt 24 and the second bolt 26 are respectively arranged on the first oil filling hole 23 and the second oil filling hole 25, the lubricating process is completed, and the whole process is completed.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-pressure oil nonyl formula plug valve, includes main part (1) and accepts piece (2) and water service mouth (3), its characterized in that: the bearing block (2) is provided with an adjusting device and a multiple sealing device, the adjusting device comprises an upper shell (4), a first sealing device, a rotating sleeve (5), a lifting device, a connecting plate (6) and a moving device, the upper shell (4) is connected with one end of the first sealing device, the bearing block (2) is connected with the other end of the first sealing device, a main body (1) is installed at the lower end of the bearing block (2), a water through hole (3) is formed in the main body (1), the rotating sleeve (5) is installed on the upper shell (4), the lifting device is installed on the rotating sleeve (5) and is connected with the rotating sleeve (5) in a matching mode, the connecting plate (6) is connected with the rotating sleeve (5) in a matching mode, one end of the moving device is connected with the rotating sleeve (5), the other end of the moving device is connected with the connecting plate (6), the multiple sealing device comprises a sealing sleeve (7), a lifting block (8), Water blocking block (9), water blocking sleeve (10) and clamp tight piece (11), seal cover (7) are connected on the briquetting, and lifter (8) are installed on lifter (14), install two on water blocking block (9) press from both sides tight piece (11) to the symmetry is installed on water blocking block (9), and water blocking sleeve (10) is installed on water blocking block (9), two press from both sides tight piece (11) and lifter (8) cooperation and connect, rotate and install lubricating arrangement on cover (5).

2. A high pressure union plug valve according to claim 1 wherein: the first sealing device comprises a plurality of sealing plates (12) and a plurality of sealing bolts (13), the sealing plates (12) and the sealing bolts (13) are respectively arranged, the sealing plates (12) are respectively arranged on the upper shell (4) and the bearing block (2), and the sealing bolts (13) are respectively arranged on the sealing plates (12).

3. A high pressure union plug valve according to claim 1 wherein: the lifting device comprises a lifting rod (14), a first lifting sleeve (15), a second lifting sleeve (16), a hand wheel (17) and a fixing piece (18), wherein the lifting rod (14) is provided with the first lifting sleeve (15) and the second lifting sleeve (16), the lower end face of the second lifting sleeve (16) is connected in the rotating sleeve (5), the second lifting sleeve is rotatably connected with the rotating sleeve (5), the first lifting sleeve (15) is in threaded connection with the rotating sleeve (5), the first lifting sleeve (15) is arranged at the upper end of the second lifting sleeve (16), the hand wheel (17) is fixedly arranged on the second lifting sleeve (16), the second lifting sleeve (16) is in threaded connection with the lifting rod (14), and the fixing piece (18) is arranged on the hand wheel (17).

4. A high pressure union plug valve according to claim 3 wherein: the moving device comprises connecting ends (19), rotating bolts (20), connecting bolts (21) and pressing blocks (22), wherein the connecting ends (19) are arranged in two numbers and are symmetrically arranged on the rotating sleeve (5) respectively, the rotating bolts (20) penetrate through the connecting bolts (21) and are arranged on the connecting ends (19), the connecting bolts (21) are connected with the connecting plate (6) in a matched mode, and the pressing blocks (22) are arranged on the connecting plate (6) and are connected with the lifting rod (14) in a matched mode.

5. A high pressure union plug valve according to claim 4 wherein: the two moving devices are symmetrically arranged on the rotating sleeve (5) respectively.

6. A high pressure union plug valve according to claim 5 wherein: the sealing sleeves (7) are arranged in a plurality and are symmetrically arranged at the lower end of the pressing block respectively, and the sealing sleeves (7) are connected to the lifting rod (14) respectively.

7. A high pressure union plug valve according to claim 1 wherein: lubricating arrangement includes first oil filler point (23), first bolt (24), second oil filler point (25) and second bolt (26), and first oil filler point (23) and second oil filler point (25) are seted up respectively on rotating cover (5), and first bolt (24) and second bolt (26) are installed respectively on first oil filler point (23) and second oil filler point (25).