CN212868540U

CN212868540U - Ball valve ball body for liquid flow choking

Info

Publication number: CN212868540U
Application number: CN202021255310.5U
Authority: CN
Inventors: 胡景汉; 唐静; 杜斌; 周晓洁
Original assignee: Zhejiang Qiancheng Valve Ball Co ltd
Current assignee: Zhejiang Qiancheng Valve Ball Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-02
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to the field of ball valves, in particular to a ball valve ball body for blocking liquid flow, which comprises a ball body main body, an extension disc extends from the upper end surface of the ball body, a valve rod is arranged at the upper end of the extension disc, a rotation-resisting fixed part is arranged between the valve rod and the extension disc, a rotating part is arranged on the outer side of the valve rod, the upper end surface of the valve rod, the upper end surface of the extension disc and the upper end surface of the ball body are all provided with threaded flow holes in a penetrating way, a sealing hole is arranged on the outer side of the threaded flow hole on the lower end surface of the valve rod, a sealing ring is extended on the outer side of the threaded flow hole in the middle of the upper end surface of the extension disc, and the sealing ring is laminated in the inner wall of seal hole, the inside in screw thread flow hole is provided with the impeller, the injection hole has been seted up in the side of the up end screw thread flow hole of valve rod through, the utility model discloses can reduce the replacement cost, and can be convenient for clear up.

Description

Ball valve ball body for liquid flow choking

Technical Field

The utility model relates to a ball valve field especially relates to a ball valve spheroid for liquid choked flow.

Background

The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, plays a significant role in national economy, is mainly used for blocking liquid, and a ball valve ball body used for blocking liquid in the prior art has high cost during replacement and is inconvenient to clean.

Disclosure of Invention

The utility model aims at solving the defects in the prior art and providing a ball valve ball body for liquid flow resistance.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a ball valve spheroid for liquid choked flow, includes the spheroid main part, the up end of spheroid main part extends there is the extension dish, the upper end of extending the dish is provided with the valve rod, be provided with between valve rod and the extension dish and hinder the commentaries on classics mounting, the outside of valve rod is provided with rotates the piece, the up end of valve rod, the up end of extending the dish all run through set up threaded hole with the up end of spheroid main part, the sealed hole has been seted up in the outside of the lower terminal surface threaded hole of valve rod, the outside of extending the up end middle part threaded hole of dish extends there is the sealing ring, and the sealing ring laminates in the inner wall of sealed hole, the inside in threaded hole is provided with the impeller, the injection hole has been seted up in the side of.

Preferably, the rotation blocking fixing part comprises rotation blocking rings extending to two sides of the sealing ring on the upper end face of the valve rod, the rotation blocking rings penetrate through the valve rod, and the inner hexagonal studs are screwed on the side faces of the valve rod and the rotation blocking rings.

Preferably, the rotation member includes a connection block extending outside the valve stem, and a rotation disk is inserted into an end of the connection block.

Preferably, the pushing part comprises a threaded push rod which penetrates through the inside of the threaded flow hole, a piston coaxially extends from the bottom end of the threaded push rod, an internal thread is formed in the upper portion of the inner wall of the threaded flow hole, an external thread is formed in the top of the outer surface of the threaded push rod, and the internal thread of the threaded flow hole is meshed with the external thread of the threaded push rod.

Preferably, a connecting disc coaxially extends from the top end of the threaded push rod, and a pull ring extends from the middle of the upper end face of the connecting disc.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses can rotate the screw thread push rod, make the internal thread phase separation on the external screw thread on its screw thread push rod and the screw thread discharge orifice, pull the screw thread push rod to the upper lift afterwards, make its piston be located the top of injection orifice, then inject the scale remover in the screw thread discharge orifice through the injection orifice, and promote the screw thread push rod, clear up in squeezing the scale remover into spheroid main part through the piston, reach its benefit of being convenient for to clear up with this, simultaneously can unscrew interior hexagonal double-screw bolt, make its the change ring that hinders who fixes in the valve rod can the activity break away from the valve rod, in order to detach spheroid main part and valve rod to change separately, the extravagant cost's phenomenon that needs to be changed together with spheroid main part and valve rod after having changed original spheroid main part and valve rod formula as an organic whole cause its damage, and.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a fixed semi-sectional view of the valve stem of the present invention;

fig. 3 is a half-sectional view of the valve stem of the present invention.

In the figure: 1. a sphere body; 2. an extension tray; 3. a valve stem; 4. connecting blocks; 5. rotating the disc; 6. an inner hexagonal stud; 7. a rotation resistance ring; 8. a threaded push rod; 9. a piston; 10. a seal ring; 11. sealing the hole; 12. a threaded flowbore; 13. an injection hole; 14. a connecting disc; 15. and (4) a pull ring.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-3, a ball valve ball for liquid choked flow, including ball body 1, the up end of ball body 1 extends and has extension dish 2, the upper end of extension dish 2 is provided with valve rod 3, be provided with between valve rod 3 and the extension dish 2 and hinder the commentaries on classics mounting piece, the outside of valve rod 3 is provided with the rotation piece, the up end of valve rod 3, the up end of extension dish 2 all runs through with the up end of ball body 1 and has seted up threaded hole 12, sealed hole 11 has been seted up in the outside of the lower terminal surface threaded hole 12 of valve rod 3, the outside of the up end middle part threaded hole 12 of extension dish 2 extends has sealing ring 10, and sealing ring 10 laminates in the inner wall of sealed hole 11, the inside of threaded hole 12 is provided with the impeller, the side of the up end threaded hole 12 of valve rod 3 runs through and has.

Hinder the fixing piece including extending the resistant swivel 7 in the both sides of the up end sealing ring 10 of valve rod 3, and hinder swivel 7 and run through in the inside of valve rod 3, the side of valve rod 3 and the side of hindering swivel 7 have all screwed socket head cap screw 6, can prevent through the resistant swivel 7 that sets up that valve rod 3 from rotating, socket head cap screw 6 can be fixed in valve rod 3 with hindering swivel 7, sealing ring 10 plays the effect of sealing up the junction.

The rotation piece is including extending at the connecting block 4 in the outside of valve rod 3, and the tip of connecting block 4 is inlayed and is had rolling disc 5, can be convenient for rotate valve rod 3 through connecting block 4, the rolling disc 5 that set up.

The impeller is including running through the screw thread push rod 8 of installing in the inside of screw thread discharge orifice 12, the coaxial extension in bottom of screw thread push rod 8 has piston 9, the internal thread has been seted up on the inner wall upper portion of screw thread discharge orifice 12, the external screw thread has been seted up at the surface top of screw thread push rod 8, the internal thread of screw thread discharge orifice 12 and the external screw thread interlock of screw thread push rod 8, the effect that can strengthen leakproofness and promote the scale remover through the piston 9 that sets up, screw thread push rod 8, cooperation between the screw thread discharge orifice 12 can be fixed and promote piston 9, screw thread discharge orifice 12 can be carried the scale remover.

Connecting disc 14 coaxially extends from the top end of the threaded push rod 8, a pull ring 15 extends from the middle of the upper end face of the connecting disc 14, and the threaded push rod 8 can be conveniently pushed and pulled through the connecting disc 14 and the pull ring 15.

When the descaling agent cleaning ball is used, a user can install the ball body on the ball valve for use, if the ball valve and the ball body need to be cleaned through the descaling agent, the user can rotate the threaded push rod 8 to enable the external threads on the threaded push rod 8 to be separated from the internal threads on the threaded flow hole 12, then the user lifts the threaded push rod 8 upwards to enable the piston 9 of the threaded push rod 8 to be located above the injection hole 13, then the user injects the descaling agent into the threaded flow hole 12 through the injection hole 13 and pushes the threaded push rod 8, and the descaling agent is extruded into the ball body 1 and the ball valve through the piston 9 to be cleaned.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve spheroid for liquid choked flow, includes spheroid main part (1), its characterized in that, the up end of spheroid main part (1) extends there is extension dish (2), the upper end of extension dish (2) is provided with valve rod (3), be provided with between valve rod (3) and the extension dish (2) and hinder and change the mounting, the outside of valve rod (3) is provided with the rotation piece, the up end of valve rod (3), the up end of extension dish (2) and the up end of spheroid main part (1) all run through and are seted up screw thread flow hole (12), the outside of the lower terminal surface screw thread flow hole (12) of valve rod (3) has seted up sealed hole (11), the outside of the up end middle part screw thread flow hole (12) of extension dish (2) has extended sealing ring (10), and sealing ring (10) laminate in the inner wall of sealed hole (11), the inside of screw thread flow hole (12) is provided with the impeller, and an injection hole (13) is formed in the side surface of the threaded flow hole (12) on the upper end surface of the valve rod (3) in a penetrating manner.

2. A ball valve ball for choking liquids according to claim 1, characterized in that the rotation blocking fixing member comprises a rotation blocking ring (7) extending on both sides of the upper end face sealing ring (10) of the valve stem (3), and the rotation blocking ring (7) penetrates the inside of the valve stem (3), and the inner hexagonal stud (6) is screwed on the side face of the valve stem (3) and the side face of the rotation blocking ring (7).

3. A ball valve ball for choking liquids according to claim 1, characterised in that said rotary member comprises a connecting block (4) extending outside the valve stem (3), the end of said connecting block (4) being embedded with a rotary disc (5).

4. The ball valve ball body for blocking liquid flow according to claim 1, wherein the pushing member comprises a threaded push rod (8) installed inside the threaded flow hole (12) in a penetrating manner, a piston (9) coaxially extends from the bottom end of the threaded push rod (8), an internal thread is formed on the upper portion of the inner wall of the threaded flow hole (12), an external thread is formed on the top of the outer surface of the threaded push rod (8), and the internal thread of the threaded flow hole (12) is meshed with the external thread of the threaded push rod (8).

5. A ball valve ball for liquid choked flow according to claim 4, characterized in that a connection disc (14) extends coaxially from the top end of the threaded push rod (8), and a pull ring (15) extends from the middle of the upper end surface of the connection disc (14).