CN217003182U

CN217003182U - Precision ball valve

Info

Publication number: CN217003182U
Application number: CN202220666981.3U
Authority: CN
Inventors: 项策; 陈永刚; 薛纪亥; 汪德维
Original assignee: Tanggong Valve Group Co ltd
Current assignee: Tanggong Valve Group Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-19
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a precision ball valve, which comprises a first valve body and a second valve body, wherein the first valve body and the second valve body are fixedly connected through a first threaded rod, one end of the first valve body and one end of the second valve body are provided with a second through hole which is correspondingly communicated, two annular grooves are arranged in the second through hole, valve seat sealing blocks are arranged in the annular grooves, a ball valve mechanism is movably connected between the two valve seat sealing blocks, the upper surface of the second valve body is provided with a through mounting hole, a high platform is arranged in the mounting hole, the upper surface of the high platform is provided with a through rotating hole which is coincided with the central point of the mounting hole, the device can prevent the oil from blocking the inside of the device through the arrangement of the ball valve mechanism, prevent the leakage of the device body through the arrangement of the sealing ring, through the setting of first threaded rod and second threaded rod, the staff of being convenient for installs and dismantles the device body.

Description

Precision ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a precision ball valve.

Background

Ball valve, the piece that opens and shuts (spheroid) is driven by the valve rod, the valve of rotary motion is made to the duplex winding ball valve axis, also can be used to fluidic regulation and control, wherein have very strong shearing force between its V type core of hard seal V type ball valve and the metal valve seat of build-up welding carbide, specially adapted contains the fibre, the medium of small solid particle etc. and the many-way ball valve not only can nimble control medium's confluence, reposition of redundant personnel, and the switching of flow direction on the pipeline, also can close arbitrary passageway simultaneously and make two other passageways link to each other, this type of valve generally should horizontal installation in the pipeline, the ball valve divide into according to the drive mode: pneumatic ball valves, electric ball valves, manual ball valves.

At present, ball valve on the market is used for when transporting the circulation to the oil when the device body, because the thick characteristic of oil, uses to glue very easily and glues on the inside circulation pipeline of O type opening and closing piece, because of the inside mechanism of clearing up not to it of O type opening and closing piece, causes the jam to the device body very easily, for this reason, provides a precision ball valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a precision ball valve.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a precision ball valve comprises a first valve body and a second valve body, wherein the first valve body and the second valve body are fixedly connected through a first threaded rod, one end of the first valve body and one end of the second valve body are provided with a second through hole which is correspondingly communicated, two annular grooves are formed in the second through hole, valve seat sealing blocks are arranged in the annular grooves, a ball valve mechanism is movably connected between the two valve seat sealing blocks, the upper surface of the second valve body is provided with a through mounting hole, a high platform is arranged in the mounting hole, the upper surface of the high platform is provided with a through rotating hole, the rotating hole is coincided with the central point of the mounting hole, and a valve rod is movably connected in the rotating hole and the mounting hole;

ball valve mechanism includes that the O type opens and shuts, the O type opens and shuts and is located between two disk seat seal pieces, and the O type opens and shuts and two disk seat seal piece swing joint, the joint groove has been seted up at the circumference outer wall center of the O type piece of opening and shutting, and the bottom looks joint of joint groove and valve rod, the inside of O type piece of opening and shutting is cavity, and the circumference outer wall of O type piece of opening and shutting sets up the first-class through-hole that two symmetries set up, the circumference inner wall of O type piece of opening and shutting sets up the rotation groove that two symmetries set up, and the equal swing joint of rotation inslot has the fixed block, fixedly connected with connecting rod between the fixed block, and the circumference outer wall fixedly connected with of connecting rod scrapes the leaf for a plurality of.

Preferably, a sealing ring is arranged between the valve rod and the mounting hole.

Preferably, one end of the valve rod, which is far away from the ball valve mechanism, is fixedly connected with a rocker.

Preferably, the first flow through hole communicates with the second flow through hole.

Preferably, the circumferential outer wall of the scraping blades is closely attached to the circumferential inner wall of the O-shaped opening and closing piece.

Preferably, the high platform is fixedly connected with the second valve body through a second threaded rod.

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

1. according to the oil-gas-free oil-gas separator, due to the arrangement of the ball valve mechanism, when the valve rod is rotated through the rocker, the O-shaped opening and closing piece is rotated, the first flow through hole is communicated with the second flow through hole, oil flows, the scraping blade is pushed by the thrust of the flowing oil to move, the scraping blade scrapes the circumferential inner wall of the O-shaped opening and closing piece, and the oil is prevented from being adhered to the circumferential inner wall of the O-shaped opening and closing piece due to long-time flowing of the oil and blocking the first flow through hole;

2. according to the utility model, through the arrangement of the sealing ring, when the device body is used, the sealing ring seals between the valve rod and the mounting hole, so that the device body is prevented from leaking, and the use efficiency of the device body is improved;

3. according to the utility model, through the arrangement of the first threaded rod and the second threaded rod, the first threaded rod is used for fixing the first valve body and the second valve body, and the second threaded rod is used for fixing the high platform and the second valve body, so that the operation is simple, and the installation and the disassembly of the device body by workers are convenient.

The oil-leakage-prevention ball valve is simple in structure, oil is prevented from blocking the interior of the oil-leakage-prevention ball valve through the arrangement of the ball valve mechanism, the leakage of the oil-leakage-prevention ball valve is prevented through the arrangement of the sealing ring, and workers can conveniently install and dismantle the oil-leakage-prevention ball valve through the arrangement of the first threaded rod and the second threaded rod.

Drawings

Fig. 1 is a schematic view of an internal cross-sectional structure of a precision ball valve according to the present invention;

FIG. 2 is an enlarged view of the portion A of the precision ball valve according to the present invention;

FIG. 3 is a schematic structural diagram of a ball valve mechanism of the precision ball valve according to the present invention;

fig. 4 is a schematic sectional structural view of a ball valve mechanism of a precision ball valve according to the present invention.

In the figure: 1. a first valve body; 2. a second valve body; 3. a valve seat sealing block; 4. a rocker; 5. a ball valve mechanism; 501. an O-shaped opening and closing member; 502. a connecting rod; 503. scraping leaves; 504. a fixed block; 505. a rotating groove; 506. a first flow through hole; 6. a valve stem; 7. a clamping groove; 8. a seal ring; 9. a first threaded rod; 10. a high platform; 11. a second threaded rod; 12. an annular groove; 13. a second flow through hole; 14. rotating the hole; 15. and (7) installing holes.

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.

Example one

Referring to fig. 1-4, a precision ball valve comprises a first valve body 1 and a second valve body 2, wherein the first valve body 1 and the second valve body 2 are fixedly connected through a first threaded rod 9, one end of the first valve body 1 and one end of the second valve body 2 are provided with a second through hole 13 which is correspondingly communicated, two annular grooves 12 are formed in the second through hole 13, valve seat sealing blocks 3 are respectively arranged in the annular grooves 12, a ball valve mechanism 5 is movably connected between the two valve seat sealing blocks 3, the upper surface of the second valve body 2 is provided with a through mounting hole 15, a high platform 10 is arranged in the mounting hole 15, the upper surface of the high platform 10 is provided with a through rotating hole 14, the rotating hole 14 coincides with the central point of the mounting hole 15, and a valve rod 6 is movably connected in the rotating hole 14 and the mounting hole 15; ball valve mechanism 5 includes that the O type opens and shuts piece 501, the O type opens and shuts piece 501 and is located between two sealed 3 of disk seat, and the O type opens and shuts piece 501 and two sealed 3 swing joint of disk seat, joint groove 7 has been seted up at the circumference outer wall center of piece 501 is opened and shut to the O type, and joint groove 7 and valve rod 6's bottom looks joint, the inside of O type piece 501 is cavity, and the O type opens and shuts piece 501's circumference outer wall and sets up the first through-hole 506 that two symmetries set up, the rotation groove 505 that two symmetries set up is seted up to the circumference inner wall of piece 501 is opened and shut to the O type, equal swing joint has fixed block 504 in the rotation groove 505, fixedly connected with connecting rod 502 between the fixed block 504, the circumference outer wall fixedly connected with of connecting rod 502 scrapes a plurality of leaves 503.

Example two

Referring to fig. 1 to 4, the present invention provides a new technical solution: a precision ball valve comprises a first valve body 1 and a second valve body 2, wherein the first valve body 1 and the second valve body 2 are fixedly connected through a first threaded rod 9, one end of the first valve body 1 and one end of the second valve body 2 are provided with a second through hole 13 which correspondingly penetrates through, two annular grooves 12 are formed in the second through hole 13, valve seat sealing blocks 3 are arranged in the annular grooves 12, a ball valve mechanism 5 is movably connected between the two valve seat sealing blocks 3, the upper surface of the second valve body 2 is provided with a through mounting hole 15, a high platform 10 is arranged in the mounting hole 15, the upper surface of the high platform 10 is provided with a through rotating hole 14, the rotating hole 14 coincides with the central point of the mounting hole 15, a valve rod 6 is movably connected in the rotating hole 14 and the mounting hole 15, a sealing ring 8 is arranged between the valve rod 6 and the mounting hole 15, the sealing ring 8 is arranged through the sealing ring 8, when the device body is used, the sealing ring 8 is used for sealing between the valve rod 6 and the mounting hole 15, the leakage of the device body is prevented, the use efficiency of the device body is improved, and one end of the valve rod 6, which is far away from the ball valve mechanism 5, is fixedly connected with the rocker 4; the ball valve mechanism 5 comprises an O-shaped opening and closing piece 501, the O-shaped opening and closing piece 501 is located between the two valve seat sealing blocks 3, the O-shaped opening and closing piece 501 is movably connected with the two valve seat sealing blocks 3, a clamping groove 7 is formed in the center of the outer circumferential wall of the O-shaped opening and closing piece 501, the clamping groove 7 is clamped with the bottom of the valve rod 6, the O-shaped opening and closing piece 501 is hollow, two first flow through holes 506 which are symmetrically formed in the outer circumferential wall of the O-shaped opening and closing piece 501 are formed in the outer circumferential wall of the O-shaped opening and closing piece 501, two rotating grooves 505 which are symmetrically formed in the inner circumferential wall of the O-shaped opening and closing piece 501 are formed in the inner circumferential wall of the rotating groove 505, fixing blocks 504 are movably connected in the rotating groove 505, a connecting rod 502 is fixedly connected between the fixing blocks 504, a plurality of scraping blades 503 are fixedly connected to the outer circumferential wall of the connecting rod 502, the outer circumferential outer walls of the scraping blades 503 are precisely attached to the inner circumferential wall of the O-shaped opening and closing piece 501, through the arrangement of the ball valve mechanism 5, when the valve rod 6 is rotated through the rocker 4, make O type opening and closing member 501 rotate, make first flow hole 506 and second flow hole 13 be linked together, make oil flow, the thrust that oil flows promotes scrapes the leaf 503 motion, make it scrapes O type opening and closing member 501 circumference inner wall to scrape the leaf 503, prevent that oil from circulating for a long time and gluing at the circumference inner wall of O type opening and closing member 501, cause the jam to first flow hole 506, first flow hole 506 is linked together with second flow hole 13, high platform 10 passes through second threaded rod 11 fixed connection with second valve body 2, through the setting of first threaded rod 9 and second threaded rod 11, first threaded rod 9 is used for fixed first valve body 1 and second valve body 2, second threaded rod 11 is used for fixed high platform 10 and second valve body 2, the operation is simple, the staff of being convenient for installs and dismantles the device body.

The working principle is as follows: when using the device body, use first threaded rod 9 to install first valve body 1 and second valve body 2 fixed, use second threaded rod 11 to fix high platform 10 and second valve body 2, rotate rocker 4 during the use, rocker 4 rotates and drives valve rod 6 and rotate, valve rod 6 rotates and drives O type opening and closing piece 501 and rotate, make first flow hole 506 and second flow hole 13 intercommunication, thereby make the oil flow, the thrust through the oil flow promotes scrapes the motion of leaf 503, make and scrape the leaf 503 rotation, thereby it strikes off to scrape leaf 503 rotation to O type opening and closing piece 501 circumference inner wall, prevent that the oil from gluing at O type opening and closing piece 501's circumference inner wall because of long-time flowing, cause the jam to first flow hole 506, the availability factor of device body is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A precision ball valve comprises a first valve body (1) and a second valve body (2), and is characterized in that the first valve body (1) and the second valve body (2) are fixedly connected through a first threaded rod (9), one end of the first valve body (1) and one end of the second valve body (2) are provided with a second through hole (13) which is correspondingly communicated, two annular grooves (12) are formed in the second through hole (13), valve seat sealing blocks (3) are arranged in the annular grooves (12), a ball valve mechanism (5) is movably connected between the two valve seat sealing blocks (3), a through mounting hole (15) is formed in the upper surface of the second valve body (2), a high platform (10) is arranged in the mounting hole (15), a through rotating hole (14) is formed in the upper surface of the high platform (10), and the rotating hole (14) coincides with the central point of the mounting hole (15), the rotating hole (14) and the mounting hole (15) are internally and movably connected with a valve rod (6);

the ball valve mechanism (5) comprises an O-shaped opening and closing piece (501), the O-shaped opening and closing piece (501) is positioned between the two valve seat sealing blocks (3), the O-shaped opening and closing piece (501) is movably connected with the two valve seat sealing blocks (3), a clamping groove (7) is arranged in the center of the outer wall of the circumference of the O-shaped opening and closing piece (501), the clamping groove (7) is clamped with the bottom of the valve rod (6), the O-shaped opening and closing piece (501) is hollow, and the circumferential outer wall of the O-shaped opening and closing piece (501) is provided with two first flow through holes (506) which are symmetrically arranged, the circumference inner wall of O type opening and closing piece (501) is seted up rotation groove (505) that two symmetries set up, all swing joint has fixed block (504) in rotation groove (505), fixedly connected with connecting rod (502) between fixed block (504), and a plurality of blades (503) of scraping of circumference outer wall fixedly connected with of connecting rod (502).

2. A precision ball valve according to claim 1, characterized in that a sealing ring (8) is provided between the valve stem (6) and the mounting hole (15).

3. A precision ball valve according to claim 1, characterized in that the end of the valve stem (6) remote from the ball valve mechanism (5) is fixedly connected with a rocker (4).

4. A precision ball valve according to claim 1, wherein said first flow hole (506) communicates with said second flow hole (13).

5. A precision ball valve according to claim 1, wherein the circumferential outer walls of said plurality of said scraping wings (503) are closely fitted to the circumferential inner wall of the O-ring type opening and closing member (501).

6. A precision ball valve according to claim 1, characterized in that said high platform (10) is fixedly connected to the second valve body (2) by means of a second threaded rod (11).