CN217440852U

CN217440852U - L-shaped upper-mounted three-way eccentric half ball valve

Info

Publication number: CN217440852U
Application number: CN202220156129.1U
Authority: CN
Inventors: 余力奔; 荆东阳; 林利敢; 余金立; 屈昭平; 张文博; 罗江华; 蔡忠文; 张雯佳; 王进和; 董育芬
Original assignee: Guogong Holding Group Co ltd
Current assignee: Guogong Holding Group Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-09-16
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to an eccentric half-ball valve technical field just discloses a L type facial make-up tee bend eccentric half-ball valve, including the disk seat, the right side of disk seat is provided with first even pipe, the bottom of disk seat is provided with the second and links the pipe, the left side of disk seat is provided with the third and links the pipe, the inside of disk seat is provided with the valve rod, the valve rod is connected with eccentric case through the cardboard, the intercommunication groove has been seted up to eccentric case's inside. This eccentric hemisphere valve of L type upper assembling type tee bend, through the disk seat, first even pipe, the second is even managed, the third is even managed, the valve rod, the cardboard, eccentric case, the intercommunication groove, the shifting chute, support tight ring, the connecting pipe, a spring, mutually supporting between mounting groove and the sealing washer, reached the effect of avoiding the particulate matter in the fluid to attach to disk seat inner wall or case side surface in a large number, when the particulate matter in the fluid is attached to disk seat inner wall or case side surface in a large number, can accelerate the problem of eccentric valve wearing and tearing.

Description

L-shaped upper-mounted three-way eccentric half-ball valve

Technical Field

The utility model relates to an eccentric half ball valve technical field specifically is an L type facial make-up formula three-way eccentric half ball valve.

Background

The eccentric half ball valve is a novel ball valve type, has some advantages unique to the structure of the eccentric half ball valve, such as no friction of a switch, difficult abrasion of sealing, small opening and closing moment and the like, can reduce the specification of a matched actuator, is matched with a multi-turn electric actuating mechanism, can realize the adjustment and tight cutting of a medium, and is widely applied to the working conditions of strict cutting requirements of petroleum, chemical engineering, urban water supply and drainage and the like.

The partial three-way eccentric half ball valve on the market at present mainly improves aiming at the aspects of positioning locking and the like of a valve core, for example, an L-shaped three-way double-eccentric half ball valve provided in Chinese patent CN203309200U realizes structural forced sealing of the three-way eccentric half ball valve through the matching of the double-eccentric valve core and a valve body, but the eccentric half ball valve still has certain defects in the using process, especially when the eccentric half ball valve is used for a fluid transportation pipeline containing more particles, the particles in the fluid are easy to adhere to the surface of the valve core, and when the relative position of the valve core is adjusted, the particles can generate relative friction with the inner wall of the valve seat, so that the loss of the valve seat and the valve core of the eccentric half ball valve is accelerated, and therefore, the L-shaped upper-mounted three-way eccentric half ball valve needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a L type facial make-up formula three-way eccentric half ball valve possesses the advantage of avoiding the particulate matter in the fluid to attach to in a large number at disk seat inner wall or case side surface, has solved when the particulate matter in the fluid attaches to disk seat inner wall or case side surface in a large number, can accelerate the problem of eccentric valve wearing and tearing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an L-shaped upper-mounted three-way eccentric half-ball valve comprises a valve seat, a first connecting pipe is arranged on the right side of the valve seat, the bottom of the valve seat is provided with a second connecting pipe, the left side of the valve seat is provided with a third connecting pipe, a valve rod is arranged in the valve seat, the valve rod is connected with an eccentric valve core through a clamping plate, a communicating groove is arranged inside the eccentric valve core, the one end that first connecting pipe is close to eccentric case, the one end that the second connecting pipe is close to eccentric case and the one end that the third connecting pipe is close to eccentric case have all seted up the shifting chute, and the inside of three shifting chute all is provided with supports the straining ring, and three supports the straining ring and all is connected with the spring through the connecting pipe, and the mounting groove has all been seted up to the one end that three supports the straining ring and is close to eccentric case, and the inside of three mounting groove all is provided with the sealing washer, and one side that three sealing washer is close to the valve rod all supports with the side surface of eccentric case and holds.

Preferably, the right end of the first connecting pipe is provided with a first flange plate, the bottom end of the second connecting pipe is provided with a second flange plate, the left end of the third connecting pipe is provided with a third flange plate, each flange plate plays a role in facilitating connection of the semi-ball valve and a pipeline, and after the semi-ball valve is connected with the pipeline through the flange plates, the flange connection position has strong rigidity and good sealing performance.

Preferably, a through hole is formed in the eccentric valve core, the valve rod is located in the through hole, the side surface of the valve rod is connected with the side surface of the clamping plate, a clamping groove is formed in the inner wall of the through hole, the clamping plate is clamped with the inside of the clamping groove, the valve rod and the eccentric valve core are connected into a whole under the action of the clamping plate, the valve rod can drive the eccentric valve core to rotate, and the effect of facilitating adjustment of the relative position of the eccentric valve core is achieved.

Preferably, the eccentric valve core is composed of a first hemisphere and a second hemisphere, the side surface of the first hemisphere is fixedly connected with the side surface of the second hemisphere, when the eccentric valve body completely plugs the third connecting pipe, two ports of the communicating groove are respectively aligned with the end surfaces of the first connecting pipe and the second connecting pipe, and when the eccentric valve body completely plugs the first connecting pipe, two notches of the communicating groove are respectively aligned with the end surfaces of the second connecting pipe and the third connecting pipe.

Preferably, one end of the abutting ring, which is far away from the eccentric valve core, is fixedly connected with one end of the connecting pipe, which is close to the valve rod, the inner wall of the moving groove, which is far away from one side of the eccentric valve core, is provided with an annular slot, the connecting pipe is located inside the annular slot, one end, which is far away from the eccentric valve core, of the connecting pipe is abutted against one end, which is close to the valve rod, of the spring, one end, which is far away from the valve rod, of the spring is fixedly connected with the inner wall, which is far away from one side of the valve rod, of the annular slot, and the spring can provide pressure, which points to the eccentric valve core, for the abutting ring, so that the side surface of the eccentric valve core is abutted against the side surface of the sealing ring, a sealing and waterproof effect is achieved, and liquid is prevented from flowing into a gap between the eccentric valve body and the valve seat.

Compared with the prior art, the utility model provides a L type facial make-up formula three-way eccentric half ball valve possesses following beneficial effect:

1. this eccentric hemisphere valve of L type upper assembling type tee bend, through the disk seat, first even pipe, the second is even managed, the third is even managed, the valve rod, the cardboard, eccentric case, the intercommunication groove, the shifting chute, support tight ring, the connecting pipe, a spring, mutually supporting between mounting groove and the sealing washer, reached the effect of avoiding the particulate matter in the fluid to attach to disk seat inner wall or case side surface in a large number, when the particulate matter in the fluid is attached to disk seat inner wall or case side surface in a large number, can accelerate the problem of eccentric valve wearing and tearing.

2. This L type facial make-up formula tee bend eccentric half ball valve, through the disk seat, first even pipe, the second is even the pipe, the third is even the pipe, the valve rod, the cardboard, eccentric case, the intercommunication groove, the shifting chute, support tight ring, the connecting pipe, the annular slot, a spring, mutually support between mounting groove and the sealing washer, the side of sealing washer can support with the side surface of eccentric case always and hold the laminating under the effect of spring, the side that has reached to make the sealing washer is with the effect of eccentric case side surface laminating always, after eccentric half ball valve is used for a long time, the sealing washer takes place wearing and tearing, thereby lead to the problem in gap between liquid infiltration eccentric case and the disk seat.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the valve core structure of the present invention.

Wherein: 1. a valve seat; 2. a first connecting pipe; 3. a second connecting pipe; 4. a third connecting pipe; 5. a valve stem; 6. clamping a plate; 7. an eccentric spool; 701. a first hemisphere; 702. a second hemisphere; 8. a communicating groove; 9. a moving groove; 10. a tightening ring; 11. a connecting pipe; 12. an annular slot; 13. a spring; 14. mounting grooves; 15. and (5) sealing rings.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, an L-shaped upper-mounted three-way eccentric half ball valve comprises a valve seat 1, a first connecting pipe 2 is arranged on the right side of the valve seat 1, a second connecting pipe 3 is arranged at the bottom of the valve seat 1, a third connecting pipe 4 is arranged on the left side of the valve seat 1, the first connecting pipe 2, the second connecting pipe 3 and the third connecting pipe 4 are all communicated with the inside of the valve seat 1, the three connecting pipes and the valve seat 1 are integrally formed, the three connecting pipes have the same specification and size, a first flange is arranged at the right end of the first connecting pipe 2, a second flange is arranged at the bottom end of the second connecting pipe 3, a third flange is arranged at the left end of the third connecting pipe 4, a valve rod 5 is arranged inside the valve seat 1, the valve rod 5 and the valve seat 1 can only rotate relatively and can not move relatively, the valve rod 5 is connected with an eccentric valve core 7 through a clamping plate 6, a through hole is arranged inside the eccentric valve core 7, the valve rod 5 is positioned inside the through hole, the side surface of valve rod 5 is connected with cardboard 6's side, cardboard 6's quantity is total four, and evenly distributed is at the side surface of valve rod 5, the draw-in groove has been seted up to the inner wall of through-hole, cardboard 6 and the inside joint of draw-in groove, eccentric case 7 comprises first hemisphere 701 and second hemisphere 702, the side of first hemisphere 701 and the side fixed connection of second hemisphere 702, first hemisphere 701 is integrated into one piece with second hemisphere 702, communicating groove 8 has been seted up to eccentric case 7's inside, the diameter that the communicating groove corresponds is the same with the diameter of connecting pipe, and when the notch in communicating groove aligns with the terminal surface of connecting pipe, the axial centerline collineation of communicating groove notch and the axial centerline collineation of connecting pipe.

One end of the first connecting pipe 2 close to the eccentric valve core 7, one end of the second connecting pipe 3 close to the eccentric valve core 7 and one end of the third connecting pipe 4 close to the eccentric valve core 7 are respectively provided with a moving groove 9, the three moving grooves 9 are respectively internally provided with a resisting ring 10, the three resisting rings 10 are respectively connected with a spring 13 through a connecting pipe 11, one end of the resisting ring 10 far away from the eccentric valve core 7 is fixedly connected with one end of the connecting pipe 11 close to the valve rod 5, the inner wall of one side of the moving groove 9 far away from the eccentric valve core 7 is provided with an annular slot 12, the connecting pipe 11 is positioned inside the annular slot 12, one end of the connecting pipe 11 far away from the eccentric valve core 7 is propped against one end of the spring 13 close to the valve rod 5, one end of the spring 13 far away from the valve rod 5 is fixedly connected with the inner wall of one side of the annular slot 12 far away from the valve rod 5, at the moment, the spring 13 is in a compression state, one end of the three resisting rings 10 close to the eccentric valve core 7 is provided with a mounting groove 14, sealing rings 15 are arranged in the three mounting grooves 14, and one sides of the three sealing rings 15 close to the valve rod 5 are abutted against the side surfaces of the eccentric valve cores 7.

When the eccentric half ball valve is used, the valve rod 5 can be driven to rotate through an external slewing mechanism, so that the eccentric valve core 7 rotates together, when the eccentric valve core 7 completely plugs the third connecting pipe 4 or the first connecting pipe 2, the communicating groove 8 in the eccentric valve core 7 can communicate the second connecting pipe 3 with the first connecting pipe 2 or the third connecting pipe 4, at the moment, the sealing ring 15 is always pressed against the side surface of the eccentric valve core 7 under the action of the spring 13, thereby plugging the gap between the eccentric valve core 7 and the valve seat 1, and when the fluid containing more particles flows through the eccentric valve core 7, the fluid can directly pass through the communicating groove 8 under the action of the sealing ring 15, and can not enter a gap between the eccentric valve core 7 and the valve seat, therefore, the function of preventing a large amount of particles in the fluid from being attached to the surface of the eccentric valve core 7 or the inner wall of the valve seat 1 is achieved, and the loss of the eccentric valve core 7 or the valve seat 1 can be effectively reduced.

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 an eccentric hemisphere valve of L type facial make-up formula tee bend, includes disk seat (1), its characterized in that: a first connecting pipe (2) is arranged on the right side of the valve seat (1), a second connecting pipe (3) is arranged at the bottom of the valve seat (1), a third connecting pipe (4) is arranged on the left side of the valve seat (1), a valve rod (5) is arranged inside the valve seat (1), the valve rod (5) is connected with an eccentric valve core (7) through a clamping plate (6), a communicating groove (8) is formed inside the eccentric valve core (7), moving grooves (9) are formed in one end, close to the eccentric valve core (7), of the first connecting pipe (2), one end, close to the eccentric valve core (7), of the second connecting pipe (3) and one end, close to the eccentric valve core (7), of the third connecting pipe (4), respectively, abutting rings (10) are arranged inside the three moving grooves (9), springs (13) are connected to the three abutting rings (10) through connecting pipes (11), mounting grooves (14) are formed in one ends, close to the eccentric valve core (7), of the three abutting rings (10), sealing rings (15) are arranged in the three mounting grooves (14), and one sides of the three sealing rings (15) close to the valve rod (5) are abutted against the side surface of the eccentric valve core (7).

2. The L-shaped upper-mounted three-way eccentric half ball valve as claimed in claim 1, wherein: the right end of the first connecting pipe (2) is provided with a first flange plate, the bottom end of the second connecting pipe (3) is provided with a second flange plate, and the left end of the third connecting pipe (4) is provided with a third flange plate.

3. The L-shaped upper-mounted three-way eccentric half ball valve according to claim 1, wherein: the eccentric valve core (7) is provided with a through hole inside, the valve rod (5) is located inside the through hole, the side surface of the valve rod (5) is connected with the side surface of the clamping plate (6), the inner wall of the through hole is provided with a clamping groove, and the clamping plate (6) is clamped with the inside of the clamping groove.

4. The L-shaped upper-mounted three-way eccentric half ball valve as claimed in claim 1, wherein: the eccentric valve core (7) consists of a first hemisphere (701) and a second hemisphere (702), and the side surface of the first hemisphere (701) is fixedly connected with the side surface of the second hemisphere (702).

5. The L-shaped upper-mounted three-way eccentric half ball valve as claimed in claim 1, wherein: the one end that eccentric case (7) were kept away from in support ring (10) is close to valve rod (5) one end fixed connection with connecting pipe (11), the inner wall that eccentric case (7) one side was kept away from in shifting chute (9) has seted up annular slot (12), connecting pipe (11) are located the inside of annular slot (12), the one end that eccentric case (7) were kept away from in connecting pipe (11) supports with the one end that spring (13) are close to valve rod (5) and holds, the inner wall fixed connection that valve rod (5) one side was kept away from with annular slot (12) in the one end that valve rod (5) were kept away from in spring (13).