CN216131412U

CN216131412U - High-performance eccentric ball valve

Info

Publication number: CN216131412U
Application number: CN202122930678.8U
Authority: CN
Inventors: 洪禹升; 邱宾
Original assignee: Okaway Control Valve Dalian Co ltd
Current assignee: Okaway Control Valve Dalian Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-25
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a high-performance eccentric ball valve, and relates to the technical field of eccentric ball valves. The utility model provides an eccentric ball valve of high performance, includes left valve body and right valve body, the outside processing has the connecting plate between left valve body and the right valve body, left side valve body and the terminal welding in right valve body outside have flange, surface welding has the supporting shoe on the right valve body, the terminal processing of supporting shoe has the otic placode, the welding of otic placode top has the backup pad, surface central authorities install the case sleeve in the backup pad, case sleeve upper surface mounting has the guide block, guide block central authorities run through installs the main valve core, the main valve core below is connected with the ball valve, the annular valve barrel has been cup jointed in the ball valve outside, the gear dish is installed to the backup pad inboard, supporting shoe internally mounted has built-in sealing washer. The utility model realizes the adjustment capability of the gear of the eccentric ball valve, enhances the sealing and improves the working performance of the eccentric ball valve.

Description

High-performance eccentric ball valve

Technical Field

The utility model relates to the technical field of eccentric ball valves, in particular to a high-performance eccentric ball valve.

Background

The eccentric ball valve and the flange gate valve belong to the same type of valve, and are different in that a closing member of the valve is a ball, and the ball rotates around the center line of a valve body to achieve opening and closing. The ball valve is mainly used for cutting off, distributing and changing the flowing direction of a medium in a pipeline, and has the characteristics of small fluid resistance, simple structure, small volume, light weight, tightness, reliability, convenience in operation, convenience in maintenance and the like. The opening and closing piece of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

However, for the eccentric ball valve commonly used in the market at present, the equipment is often controlled in a manual adjustment mode, and the manual control has errors and does not have the function of adjusting the flow, so that the function is limited to some extent, and meanwhile, due to poor sealing performance, the adaptability of the equipment to the temperature change of the working environment is influenced, and the performance of the equipment is also low. Therefore, a high-performance eccentric ball valve is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-performance eccentric ball valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-performance eccentric ball valve comprises a left valve body and a right valve body, wherein a connecting plate is processed on the outer side between the left valve body and the right valve body, uniform bolt groups are installed on the periphery of the connecting plate through threads, connecting flanges are welded at the tail ends of the outer sides of the left valve body and the right valve body, a supporting block is welded on the upper surface of the right valve body, an ear plate is processed at the tail end of the supporting block, a supporting plate is welded above the ear plate, a valve core sleeve is installed in the center of the upper surface of the supporting plate, a pilot block is installed on the upper surface of the valve core sleeve, a main valve core is installed in the center of the pilot block in a penetrating mode, a rotating screw is connected to the center above the main valve core through threads, a handle is installed above the rotating screw in a penetrating mode, a spherical valve is connected below the main valve core, an annular valve sleeve is sleeved on the outer side of the spherical valve, a lower valve core is installed below the spherical valve, and the lower valve core is installed on the right valve body through a limiting plate, the gear disc is installed to the backup pad inboard, supporting shoe internally mounted has built-in sealing washer, has the gear adjustment, strengthens sealed, improves the characteristics of working property.

Preferably, the periphery of the connecting flange is processed with connecting holes in a penetrating manner, and the outer surface of the connecting flange is processed with a sealing oil groove for connecting external equipment and ensuring the sealing effect.

Preferably, the end of the lower surface of the main valve core is provided with a valve core head for driving the ball valve.

Preferably, a lock nut is mounted at the tail end of the handle and used for fixing the handle and the rotary screw.

Preferably, sliding grooves are formed in the periphery of the upper surface of the valve core sleeve, a compression spring is installed inside each sliding groove, and the upper surface of each compression spring is in contact with each sliding plug and used for limiting the gear of the main valve core.

Preferably, the front end and the rear end of the guide block are provided with oil inlets in a penetrating mode, and pressure oil grooves are formed in the bottom ends of the oil inlets and used for locking the equipment in a grading mode.

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

(1) the utility model provides a high performance eccentric ball valve, through for eccentric ball valve installation sealing oil ditch, built-in sealing washer, oil through hole isotructure, utilize seal structure's setting, seal and to carrying out rotary motion's main valve core department installation built-in sealing washer from the inlet port and the egress opening of fluid, the effect of reducing fluid and revealing has been realized, the sealing performance of equipment has been promoted, and then the ability of equipment work under high temperature and low temperature environment has been improved, through the setting of main valve core and lower valve core, better support and fixed effect have been carried out to the ball valve, the vibration condition of equipment during operation has been reduced, it fixes to assist for equipment fixing annular valve barrel, and improve equipment working property through the lubricated mode improvement equipment working property of oil film, the effect of product job stabilization has been realized improving.

(2) The utility model provides a high performance eccentric ball valve, through for eccentric ball valve installation guide block, the gear dish, hold-down spring and smooth stifled isotructure, restrict for the rotation of main valve core through the guide block, when the oil hydraulic pressure that lets in the guide block is higher than hold-down spring's elasticity, the smooth stifled internal contraction, remove the restriction to main valve core rotary motion, after rotating the handle, drive main valve core through the effect of rotatory screw and rotate, and then controlgear's switching and flow output's size, reach and set for the flow and stop high-pressure fluid supply, control backup pad under the effect of smooth stifled and lock at standard gear, realized the effect to equipment flow strict control, and then the working property of reinforcing equipment.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the locking plate of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the pilot block according to the present invention;

fig. 4 is a schematic view of the assembly structure of the present invention.

In the figure: 1. a connecting flange; 101. connecting holes; 102. sealing the oil groove; 2. a left valve body; 3. a connecting plate; 4. a bolt group; 5. a right valve body; 6. a guide block; 601. an oil inlet; 602. a pressure oil tank; 7. rotating the screw; 8. a handle; 801. locking the nut; 9. a support block; 10. an ear plate; 11. a spool sleeve; 1101. sliding and blocking; 1102. a compression spring; 1103. a chute; 12. a main valve element; 1201. a valve core head; 13. a support plate; 14. a ball valve; 1401. an oil through hole; 1402. an eccentric ring; 15. an annular valve housing; 16. a gear disc; 17. a sealing ring is arranged inside; 18. a lower valve core; 19. and a limiting plate.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a high-performance eccentric ball valve comprises a left valve body 2 and a right valve body 5, a connecting plate 3 is processed on the outer side between the left valve body 2 and the right valve body 5, uniform bolt groups 4 are installed on the periphery of the connecting plate 3 through threads, a connecting flange 1 is welded at the tail ends of the outer sides of the left valve body 2 and the right valve body 5, a supporting block 9 is welded on the upper surface of the right valve body 5, an ear plate 10 is processed at the tail end of the supporting block 9, a supporting plate 13 is welded above the ear plate 10, a valve core sleeve 11 is installed in the center of the upper surface of the supporting plate 13, a pilot block 6 is installed on the upper surface of the valve core sleeve 11, a main valve core 12 is installed in the center of the pilot block 6 in a penetrating mode, a rotating screw 7 is connected in the center above the main valve core 12 through threads, a handle 8 is installed above the rotating screw 7 in a penetrating mode, a spherical valve 14 is connected below the main valve core 12, an annular valve sleeve 15 is sleeved outside the spherical valve 14, and a lower valve core 18 is installed below the spherical valve 14, the lower valve core 18 is arranged on the right valve body 5 through a limiting plate 19, a gear disc 16 is arranged on the inner side of the supporting plate 13, and a built-in sealing ring 17 is arranged inside the supporting block 9.

Moreover, the periphery of the connecting flange 1 is provided with a connecting hole 101 in a penetrating way, the outer surface of the connecting flange 1 is provided with a sealing oil groove 102, for connecting external equipment and ensuring sealing effect, a valve core head 1201 is processed at the tail end of the lower surface of a main valve core 12, the ball valve 14 is used for transmission, the locking nut 801 is installed at the tail end of the handle 8 and used for fixing the connection between the handle 8 and the rotating screw 7, the sliding groove 1103 is formed on the periphery of the upper surface of the spool sleeve 11, the compression spring 1102 is installed inside the sliding groove 1103, the upper surface of the compression spring 1102 is in contact with the sliding plug 1101, for limiting the gear of main valve core 12, oil through holes 1401 are processed on three sides of the center of ball valve 14, eccentric ring 1402 is welded on one side of ball valve 14, the front end and the rear end of the pilot block 6 are provided with an oil inlet 601 in a penetrating way, and the bottom end of the oil inlet 601 is provided with a pressure oil groove 602 for performing stepping locking on equipment.

The working principle is as follows: a high-performance eccentric ball valve mainly comprises a left valve body 2, a right valve body 5, a pilot block 6, a spherical valve 14 and other parts, wherein in the work, the eccentric ball valve is provided with a sealing oil groove 102, an internal sealing ring 17, an oil through hole 1401 and other structures, the sealing structure is arranged, the internal sealing ring 17 is arranged at a main valve core 12 which performs rotary motion and is sealed from an oil inlet and an oil outlet, the effect of reducing oil leakage is realized, the sealing performance of the device is improved, the working capacity of the device in high-temperature and low-temperature environments is further improved, the spherical valve 14 is better supported and fixed through the arrangement of the main valve core 12 and the lower valve core 18, the vibration condition of the device in the work process is reduced, an annular valve sleeve 15 is arranged for assisting in fixing the device, the working performance of the device is improved through an oil film lubrication mode, and the effect of improving the working stability of a product is realized, by installing the pilot block 6, the gear disc 16, the hold-down spring 1102, the sliding plug 1101 and other structures on the eccentric ball valve, the rotation of the main valve element 12 is limited through the pilot block 6, when the hydraulic pressure of oil introduced into the pilot block 6 is higher than the elastic force of the hold-down spring 1102, the sliding plug 1101 contracts inwards to remove the limitation on the rotation movement of the main valve element 12, after the handle 8 is rotated, the main valve element 12 is driven to rotate through the action of the rotating screw 7, the opening and closing of the equipment and the flow output are further controlled, the high-pressure oil supply is stopped after the set flow is reached, the support plate 13 is controlled to be locked at a standard gear under the action of the sliding plug 1101, the effect of strictly controlling the flow of the equipment is realized, and the working performance of the equipment is further enhanced.

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 performance eccentric ball valve, includes left valve body (2) and right valve body (5), its characterized in that: the valve is characterized in that a connecting plate (3) is processed on the outer side between the left valve body (2) and the right valve body (5), uniform bolt groups (4) are installed on the periphery of the connecting plate (3) through threads, a connecting flange (1) is welded at the tail end of the outer side of the left valve body (2) and the right valve body (5), a supporting block (9) is welded on the upper surface of the right valve body (5), an ear plate (10) is processed at the tail end of the supporting block (9), a supporting plate (13) is welded above the ear plate (10), a valve core sleeve (11) is installed in the center of the upper surface of the supporting plate (13), a pilot block (6) is installed on the upper surface of the valve core sleeve (11), a main valve core (12) is installed in the center of the pilot block (6) in a penetrating manner, a rotating screw (7) is connected to the center above the main valve core (12) through threads, and a handle (8) is installed above the rotating screw (7), main case (12) below is connected with globe valve (14), annular valve cover (15) have been cup jointed in the globe valve (14) outside, lower case (18) are installed to globe valve (14) below, lower case (18) are installed in right valve body (5) through limiting plate (19), gear dish (16) are installed to backup pad (13) inboard, supporting shoe (9) internally mounted has built-in sealing washer (17).

2. A high performance eccentric ball valve according to claim 1, wherein: the connecting flange is characterized in that connecting holes (101) penetrate through the periphery of the connecting flange (1), and a sealing oil groove (102) is formed in the outer surface of the connecting flange (1).

3. A high performance eccentric ball valve according to claim 1, wherein: the tail end of the lower surface of the main valve core (12) is provided with a valve core head (1201).

4. A high performance eccentric ball valve according to claim 1, wherein: and a locking nut (801) is arranged at the tail end of the handle (8).

5. A high performance eccentric ball valve according to claim 1, wherein: the sliding groove (1103) is processed on the periphery of the upper surface of the valve core sleeve (11), a compression spring (1102) is installed inside the sliding groove (1103), and the upper surface of the compression spring (1102) is in contact with the sliding plug (1101).

6. A high performance eccentric ball valve according to claim 1, wherein: oil through holes (1401) are machined in three sides of the center of the spherical valve (14), and an eccentric ring (1402) is welded on one side of the spherical valve (14).

7. A high performance eccentric ball valve according to claim 1, wherein: an oil inlet (601) is processed at the front end and the rear end of the guide block (6) in a penetrating mode, and a pressure oil groove (602) is processed at the bottom end of the oil inlet (601).