CN213017825U

CN213017825U - Ball valve with built-in valve core with adjustable eccentric position

Info

Publication number: CN213017825U
Application number: CN202021302035.8U
Authority: CN
Inventors: 孙明虎
Original assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Current assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-20
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a ball valve with an adjustable eccentric position of a built-in valve core, which relates to the field of ball valves and comprises a valve body, wherein a ball core is embedded in the valve body, the diameter of the ball core is smaller than the inner diameter of the valve body, a through groove is arranged in the middle of the ball core, a water stop piece is embedded in the through groove in the ball core, the water stop piece is in threaded connection with the inner wall of the ball core, the diameter of the water stop piece is the same as that of the through groove in the ball core, and the surface of the water stop piece is provided with a water through groove which is a ring groove. And the maintenance of the ball core is convenient for the replacement and the maintenance of the ball valve.

Description

Ball valve with built-in valve core with adjustable eccentric position

Technical Field

The utility model relates to a ball valve technical field especially relates to a ball valve with adjustable built-in case eccentric position.

Background

Ball valves are sealed by the cooperation of a seal mounted in the valve body and a spherical valve core. Depending on the environment in which the ball valve is used, the valve element is usually made of ordinary steel or stainless steel, and the sealing element associated with the valve element is usually made of plastic.

Most of ball valves in the prior art only adopt the rotation of a ball core to control the flow of fluid in a valve body and a pipeline, and the slight rotation of the ball core can cause great change of flow velocity, so that the ball valve is not beneficial to the fine and accurate control of the flow velocity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ball valve with an adjustable eccentric position of a built-in valve core.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ball valve with adjustable built-in case eccentric position, includes the valve body, and the inside ball core that has inlayed of valve body, ball core diameter are less than the internal diameter of valve body, and logical groove has been seted up at the ball core middle part, and logical inslot in the ball core has inlayed the stagnant water piece, and stagnant water piece and ball core inner wall threaded connection, the diameter of stagnant water piece is the same with the diameter in the inside logical groove of ball core, and the water service groove has been seted up on stagnant water piece surface, and the.

Preferably, a rotating part is arranged under the ball core, the rotating part is fixedly connected with the bottom surface inside the valve body, the rotating part is movably connected with the ball core, valve seats are arranged between the two ends of the ball core and the inner wall of the valve body, the valve seats are fixedly connected with the inner wall of the valve body, and the valve seats are abutted to the surface of the ball core.

Preferably, the valve body top surface is fixed with the fixing base, and the fixing base top surface is fixed with the pressure boost pipe, and pressure boost pipe is inside to be inlayed and is had first pivot, and the bottom of first pivot runs through the valve body lateral wall and with ball core fixed surface is connected.

Preferably, the top of pressure boost pipe is equipped with the subassembly of plugging into, and the subassembly of plugging into inlays in first pivot surface, and the subassembly of plugging into and pressure boost pipe threaded connection have a compression spring, and compression spring's both ends are supported with subassembly bottom surface and the fixing base top surface of plugging into respectively, and compression spring inlays in first pivot surface.

Preferably, the connecting piece has been run through on the fixing base surface, connecting piece and valve body surface threaded connection, and the fixing base passes through the connecting piece bolt in the valve body surface, and the top of the subassembly of plugging into is equipped with the handle, handle and first pivot fixed connection.

Preferably, the first rotating shaft is embedded with a second rotating shaft, the second rotating shaft is in threaded connection with the inner wall of the first rotating shaft, the bottom end of the second rotating shaft is fixedly connected with the water stopping piece, and the top end of the second rotating shaft is fixedly provided with a rotating disc.

Preferably, one side welding of valve body has a water cavity, and one side that the valve body kept away from a water cavity is equipped with the intake antrum, and the intake antrum passes through flange joint with the valve body, and the one end welding that the valve body was kept away from to the intake antrum has a sealing flange.

Advantageous effects

1. The utility model discloses in, the additional design of going on the stagnant water spare in the ball core, the accessible is to the rotation of stagnant water spare, the realization is to the accurate control of the fluid velocity of flow in the valve body, realize the more refined operation of ball valve, when carrying out large-traffic coarse control, the first pivot of accessible handle rotation, then the ball core of first pivot end rotates on the rotating member surface, thereby the inside logical groove of ball core can open or end at the rotatory fluid velocity of flow in the valve body, the disk seat can seal the valve body simultaneously, thereby realize the thick control to the fluid in the valve body, and when needing to carry out the fluid control that becomes more meticulous, rotatable carousel, the second pivot in the first pivot rotates thereupon, then the stagnant water spare is at the ball core internal rotation, annular leads to the continuous closure in the water tank along with stagnant water spare upward movement, thereby realize the internal fluid accurate control in the valve body.

2. The utility model discloses in, pass through flange joint's mode through intake antrum and valve body, use for a long time at the ball valve, wearing and tearing appear in the disk seat, when leading to valve body leakproofness variation, change of disk seat is carried out to detachable valve body and intake antrum to and the maintenance to the ball core, the change and the maintenance of the ball valve of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of a ball valve with an eccentric position adjustable built-in valve core;

FIG. 2 is a cross-sectional view of a ball valve with an eccentric position adjustable internal spool;

FIG. 3 is a schematic structural diagram illustrating a connection manner between a first rotating shaft and a ball core in a ball valve with an adjustable eccentric position of a built-in valve core;

fig. 4 is a schematic diagram of the internal structure of a ball core of a ball valve with an eccentric position adjustable built-in valve core.

Illustration of the drawings:

1. sealing the flange; 2. a water inlet cavity; 3. a water outlet cavity; 4. a valve body; 5. a fixed seat; 6. a pressure increasing pipe; 7. a first rotating shaft; 8. a ball core; 9. a valve seat; 10. a rotating member; 11. a compression spring; 12. a connecting member; 14. a docking assembly; 15. a handle; 16. a second rotating shaft; 17. a turntable; 18. a water stop member; 19. a water trough.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a ball valve with an adjustable eccentric position of a built-in valve core comprises a valve body 4, a water outlet cavity 3 is welded on one side of the valve body 4, a water inlet cavity 2 is arranged on one side of the valve body 4 far away from the water outlet cavity 3, the water inlet cavity 2 is connected with the valve body 4 through a flange, a sealing flange 1 is welded on one end of the water inlet cavity 2 far away from the valve body 4, a fixed seat 5 is fixed on the top surface of the valve body 4, a connecting piece 12 penetrates through the surface of the fixed seat 5, the connecting piece 12 is in threaded connection with the surface of the valve body 4, the fixed seat 5 is bolted on the surface of the valve body 4 through the connecting piece 12, a handle 15 is arranged on the top of a connection component 14, the handle 15 is fixedly connected with a first rotating shaft 7, a pressure increasing pipe 6 is fixed on the top surface of the fixed seat 5, a connection component 14 is, the both ends of compression spring 11 respectively with the subassembly 14 bottom surface of plugging into and 5 top surfaces offsets of fixing base, compression spring 11 inlays in first pivot 7 surfaces, the inside first pivot 7 that has inlayed of booster pipe 6, the bottom of first pivot 7 run through the valve body 4 lateral walls and with ball core 8 fixed surface be connected, the inside second pivot 16 that has inlayed of first pivot 7,

second pivot

16 and 7 inner wall threaded connection of first pivot, the bottom and the 18 fixed connection of stagnant water spare of second pivot 16.

The top of second pivot 16 is fixed with carousel 17, the inside ball core 8 that has inlayed of valve body 4, the inside internal diameter that is less than valve body 4 of ball core 8 diameter, logical groove has been seted up at ball core 8 middle part, be equipped with rotating member 10 under ball core 8, rotating member 10 and the inside bottom surface fixed connection of valve body 4, rotating member 10 and ball core 8 swing joint, all be equipped with disk seat 9 between ball core 8 both ends and the valve body 4 inner wall, disk seat 9 and valve body 4 inner wall fixed connection, disk seat 9 offsets with ball core 8 surface, logical inslot in the ball core 8 is inlayed and is had water stopping 18, water stopping 18 and the threaded connection of ball core 8 inner wall, the diameter of water stopping 18 is the same with the diameter of the inside logical groove of ball core 8, water through 19 has been seted up on water stopping 18 surface, water through 19 is.

The utility model discloses a theory of operation: when large-flow coarse control is performed, the first rotating shaft 7 can be rotated through the handle 15, the ball core 8 at the tail end of the first rotating shaft 7 rotates on the surface of the rotating part 10, the through groove in the ball core 8 is overlapped with or forms a certain included angle with a channel formed by the water inlet cavity 2 and the water outlet cavity 3, so that the through groove in the ball core 8 can open or close the flow rate of fluid in the valve body 4 during rotation, meanwhile, the valve seat 9 can seal the valve body 4, coarse control over the fluid in the valve body 4 is realized, when fine control over the fluid is required, the rotating disc 17 can be rotated, the second rotating shaft 16 in the first rotating shaft 7 rotates along with the through groove, the water stop part 18 rotates in the ball core 8, the annular water through groove 19 continuously closes during upward movement along with the water stop part 18, and accurate control over the fluid in the valve body 4 is realized.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Rather, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve with adjustable built-in case eccentric position, includes valve body (4), its characterized in that: the inside ball core (8) that has inlayed of valve body (4), ball core (8) diameter is less than the internal diameter of valve body (4), logical groove has been seted up at ball core (8) middle part, logical inslot in ball core (8) is embedded to have water-stopping (18), water-stopping (18) and ball core (8) inner wall threaded connection, the diameter of water-stopping (18) is the same with the diameter in the inside logical groove of ball core (8), water-through groove (19) have been seted up on water-stopping (18) surface, water-through groove (19) are the ring channel.

2. The ball valve with an eccentric position adjustable by an internal valve core as claimed in claim 1, wherein: be equipped with rotating member (10) under ball core (8), rotating member (10) and the inside bottom surface fixed connection of valve body (4), rotating member (10) and ball core (8) swing joint all are equipped with disk seat (9) between ball core (8) both ends and valve body (4) inner wall, disk seat (9) and valve body (4) inner wall fixed connection, and disk seat (9) offset with ball core (8) surface.

3. The ball valve with an eccentric position adjustable by an internal valve core as claimed in claim 1, wherein: a fixing seat (5) is fixed on the top surface of the valve body (4), a pressure increasing pipe (6) is fixed on the top surface of the fixing seat (5), a first rotating shaft (7) is embedded in the pressure increasing pipe (6), and the bottom end of the first rotating shaft (7) penetrates through the side wall of the valve body (4) and is fixedly connected with the surface of the ball core (8).

4. The ball valve with an eccentric position adjustable by an internal valve core as claimed in claim 3, wherein: the top of pressure increasing pipe (6) is equipped with connection subassembly (14), and connection subassembly (14) inlays in first pivot (7) surface, and connection subassembly (14) and pressure increasing pipe (6) threaded connection plug into, and pressure increasing pipe (6) are inside to be inlayed compression spring (11), and the both ends of compression spring (11) respectively with connection subassembly (14) bottom surface and fixing base (5) top surface counterbalance, and compression spring (11) inlay in first pivot (7) surface.

5. The ball valve with the eccentric position adjustable by the built-in valve core as claimed in claim 2, wherein: the surface of the fixing seat (5) penetrates through the connecting piece (12), the connecting piece (12) is in threaded connection with the surface of the valve body (4), the fixing seat (5) is bolted on the surface of the valve body (4) through the connecting piece (12), the top of the connection assembly (14) is provided with a handle (15), and the handle (15) is fixedly connected with the first rotating shaft (7).

6. The ball valve with an eccentric position adjustable by an internal valve core as claimed in claim 3, wherein: a second rotating shaft (16) is embedded in the first rotating shaft (7), the second rotating shaft (16) is in threaded connection with the inner wall of the first rotating shaft (7), the bottom end of the second rotating shaft (16) is fixedly connected with a water stopping piece (18), and a rotating disc (17) is fixed at the top end of the second rotating shaft (16).

7. The ball valve with an eccentric position adjustable by an internal valve core as claimed in claim 1, wherein: one side welding of valve body (4) has a water cavity (3), and one side that valve body (4) kept away from a water cavity (3) is equipped with intake antrum (2), and flange joint is passed through with valve body (4) in intake antrum (2), and the one end welding that valve body (4) were kept away from in intake antrum (2) has sealing flange (1).