CN215806458U

CN215806458U - Ball valve rod

Info

Publication number: CN215806458U
Application number: CN202122289325.4U
Authority: CN
Inventors: 伊献国; 邵力胜
Original assignee: Zhejiang Bertik Valve Co ltd
Current assignee: Zhejiang Bertik Valve Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-11
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a valve rod of a ball valve, which comprises a ball valve, wherein the ball valve is internally provided with a ball body, one side of the ball body is fixedly connected with a connector, the other side of the ball body is fixedly connected with a flange plate, the top of the ball body is provided with an anti-falling assembly, the anti-falling assembly is internally provided with a handle, the bottom of the handle is fixedly connected with a threaded pipe, the threaded pipe is internally and fixedly connected with an installation rod, the bottom of the threaded pipe is fixedly connected with a ball bearing, the ball bearing is internally and movably inserted with a fixed pin, the bottom of the ball bearing is arranged in a bearing seat, the installation position of the valve rod is convenient to limit, the stability is good, the convenience of valve rod installation is improved due to the arrangement of a U-shaped rotating rod, a clamping plate and a limiting block, the structure is reasonable, the combined installation is convenient, the problem that the original valve rod of the ball valve is not convenient to install is solved, the ball body and the valve rod can be designed to be separated, and the problem that the ball body and the ball valve body are corroded to be replaced together and are difficult to be replaced is solved well, the service life of the ball valve is prolonged, and the use cost is saved.

Description

Ball valve rod

Technical Field

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

Background

The ball valve is a valve which drives a ball core to rotate around the axis of a valve rod through the valve rod, is mainly used for cutting off or connecting media in a pipeline, can also be used for regulating and controlling fluid, and is widely applied to various control pipelines;

the utility model discloses a chinese utility model patent that the publication number is CN209213069U discloses a ball valve rod belongs to valve technical field, and it has solved among the current ball valve rod and the valve body problem that rocks, wearing and tearing, sealing effect are not good appear easily. The ball valve rod comprises a cylindrical rod body, the upper end part of the rod body is provided with a rotary connecting structure for rotary connection to a valve body, the lower end of the rod body is detachably provided with an arc clamping plate for clamping with a spherical valve core, the middle part of the rod body is provided with an upper flange and a lower flange which are distributed at intervals, a sealing ring with an arc cross section is arranged at the interval between the upper flange and the lower flange, a guide device which can enable the upper flange to move towards the lower flange to reduce the interval distance between the upper flange and the lower flange and extrude the radial deformation of the sealing ring is arranged between the upper flange and the lower flange, the ball valve rod of the ball valve is easy to loosen during long-time use, the connection is not tight enough, the effect is not good when the ball valve is opened and closed, meanwhile, the existing ball valve rod is not convenient enough when the ball valve is connected, and the installation is not convenient enough, the existing ball valve and valve rod are generally not detachable, the ball valve and the valve rod are easy to damage, when one of the ball valve and the valve rod is damaged, the ball valve and the valve rod need to be replaced together, the replacement operation is complicated, and the price of the ball body and the valve rod is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a ball valve stem that solves the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a valve rod of a ball valve comprises a ball valve, wherein the ball valve is internally provided with a ball body, one side of the ball body is fixedly connected with a connector, and the other side of the ball body is fixedly connected with a flange plate;

the top of the ball body is provided with an anti-falling assembly, the anti-falling assembly is internally provided with a handle, a threaded pipe is fixedly connected in the bottom of the handle, an installation rod is fixedly connected in the threaded pipe, a ball bearing is fixedly connected in the bottom of the threaded pipe, a fixing pin is movably inserted in the ball bearing, the bottom of the ball bearing is arranged in a bearing seat, and the bottom of the bearing seat is fixedly connected with a valve rod;

the installation pole passes ball bearing, bearing frame and valve rod middle part in proper order, and installation pole bottom fixed connection is on the rolling disc, and rolling disc activity butt has seted up spacing hole in the bottom middle part in the rolling disc in the spheroid top, is provided with the recess on the rolling disc medial surface.

Preferably, the outer surface of the handle is provided with anti-skid threads, the annular side surface of the mounting rod is provided with threads, and the threaded pipe is connected with the mounting rod through the threads.

Preferably, the inside upside of ball bearing is equipped with spacing hole, and the inside upside of valve rod is equipped with spacing hole, and the fixed pin runs through spacing hole and fixes valve rod and ball bearing mutually.

Preferably, be provided with the installation component in the valve rod, contain the spiral dish in the installation component, spiral dish fixed connection is in the handle side, and spiral dish lateral surface swivelling joint has the handle dish, all is provided with the circular shape through-hole on spiral dish and the handle dish, and the activity is pegged graft in the through-hole has the bolt.

Preferably, the middle part of one inward side of the handle disc is fixedly connected with a rotating shaft, the rotating shaft movably extends into the handle, the bottom side of the rotating shaft is highly connected with a driving gear, the side surface of the driving gear is movably engaged with a driven gear, and a U-shaped rotating rod is fixedly connected in the driven gear.

Preferably, the valve rod is internally provided with a movable groove, the U-shaped rotating rod downwards extends into the rotating disc through the movable groove, the bottom side of the U-shaped rotating rod is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a clamping plate, and a limiting block is welded at the bottom of the U-shaped rotating rod.

Preferably, the clamping plate is movably clamped in the groove, and the limiting block is movably abutted in the limiting block.

Compared with the prior art, the utility model has the beneficial effects that: the ball valve rod can be fixed through the threaded pipe, the ball bearing, the bearing seat, the mounting rod, the valve rod and the fixing pin, the problem that the original ball valve rod is easy to loosen and fall off after being used for a long time is solved, the use stability of the ball valve is improved, the limiting hole 210 is arranged at the upper side inside the ball bearing, the limiting hole 210 is arranged at the upper side inside the valve rod, the fixing pin penetrates through the limiting hole 210 to fix the valve rod and the ball bearing, the mounting position of the valve rod is convenient to limit, the stability is good, the convenience of valve rod mounting is improved due to the arrangement of the U-shaped rotating rod, the clamping plate and the limiting block, the structure is reasonable, the combined mounting is convenient, the problem that the original ball valve rod and the valve rod are not convenient enough is solved, the ball can be separated from the valve rod design, the problem that the ball needs to be corroded and needs to be replaced together with the ball valve and is difficult to replace is solved well, and the service life of the ball valve is prolonged, the cost of use is also saved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the ball valve of the present invention;

FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;

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

In the figure: 1. a ball valve; 11. a sphere; 12. a connector; 13. a flange plate; 2. an anti-drop component; 21. a handle; 22. a threaded pipe; 23. mounting a rod; 24. a valve stem; 25. a bearing seat; 26. a ball bearing; 27. a fixing pin; 28. rotating the disc; 29. a groove; 210. a limiting hole; 3. mounting the component; 31. a rotating shaft; 32. a driving gear; 33. a driven gear; 34. a U-shaped rotating rod; 35. a spiral disc; 36. a through hole; 37. a bolt; 38. a handle tray; 39. a movable groove; 310. a connecting rod; 311. clamping a plate; 312. and a limiting block.

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 valve rod of a ball valve comprises a ball valve 1, wherein a ball body 11 is contained in the ball valve 1, one side of the ball body 11 is fixedly connected with a connector 12, and the other side of the ball body 11 is fixedly connected with a flange 13;

it should be noted that the top of the sphere 11 is provided with the anti-drop assembly 2, the anti-drop assembly 2 contains a handle 21, a threaded pipe 22 is fixedly connected in the bottom of the handle 21, an installation rod 23 is fixedly connected in the threaded pipe 22, a ball bearing 26 is fixedly connected in the bottom of the threaded pipe 22, a fixing pin 27 is movably inserted in the ball bearing 26, the bottom of the ball bearing 26 is arranged in a bearing seat 25, and the bottom of the bearing seat 25 is fixedly connected with a valve rod 24;

in addition, the mounting rod 23 sequentially passes through the ball bearing 26, the bearing seat 25 and the middle part of the valve rod 24, the bottom of the mounting rod 23 is fixedly connected to the rotating disc 28, the rotating disc 28 is movably abutted against the top of the ball body 11, the middle part of the inner bottom surface of the rotating disc 28 is provided with a limiting hole 210, and the inner side surface of the rotating disc 28 is provided with a groove 29.

The ball bearing 26 has a stopper hole 210 formed in an upper side thereof, the valve stem 24 has a stopper hole 210 formed in an upper side thereof, and the fixing pin 27 penetrates the stopper hole 210 to fix the valve stem 24 and the ball bearing 26.

In the use, manual rotation handle 21, handle 21 drives screwed pipe 22 and installation pole 23 and rotates, installation pole 23 drives the rotation of rotating disc 28, the rotation of rotating disc 28 drives the rotation of spheroid 11, open or close ball valve 1, installation pole 23 drives ball bearing 26 and rotates, it is fixed mutually with valve rod 24 because of ball bearing 26 passes through fixed pin 27, the problem that the valve rod 24 of having solved original ball valve 1 is used easily not hard up and is come off for a long time, ball valve 1 stability in use has been improved.

It should be noted that the outer surface of the handle 21 is provided with anti-slip threads, the annular side surface of the mounting rod 23 is provided with threads, and the threaded pipe 22 is connected with the mounting rod 23 through the threads.

Referring to fig. 4, the valve rod 24 is provided with the mounting assembly 3 therein, the mounting assembly 3 includes a spiral disk 35 therein, the spiral disk 35 is fixedly connected to the side surface of the handle 21, the outer side surface of the spiral disk 35 is rotatably connected with a handle disk 38, the spiral disk 35 and the handle disk 38 are both provided with circular through holes 36, and bolts 37 are movably inserted into the through holes 36.

It should be noted that, a rotating shaft 31 is fixedly connected to the middle of the inward side of the handle disc 38, the rotating shaft 31 movably extends into the handle 21, a driving gear 32 is highly connected to the bottom side of the rotating shaft 31, a driven gear 33 is movably engaged with the side surface of the driving gear 32, and a U-shaped rotating rod 34 is fixedly connected to the inside of the driven gear 33.

In addition, the valve rod 24 is internally provided with a movable groove 39, the U-shaped rotating rod 34 extends downwards into the rotating disc 28 through the movable groove 39, the bottom side of the U-shaped rotating rod 34 is fixedly connected with a connecting rod 310, the outer side of the connecting rod 310 is fixedly connected with a clamping plate 311, and a limiting block 312 is welded in the bottom of the U-shaped rotating rod 34.

It should be noted that the clamping plate 311 is movably clamped in the groove 29, and the limit block 312 is movably abutted in the limit block 312.

In the use, the user inserts valve rod 24 in ball valve 1, make stopper 312 just in time block into spacing hole 210, then come out bolt 37 from through-hole 36 internal rotation, manual rotation handle dish 38, the rotation of handle dish 38 drives pivot 31 and rotates, the rotation of pivot 31 drives driving gear 32 and rotates the rotation of driving gear 32 and drive driven gear 33 and rotate, driven gear 33 rotates and drives U-shaped bull stick 34 and rotate, the rotation of U-shaped bull stick 34 drives connecting rod 310 and rotates, the rotation of connecting rod 310 drives the removal of cardboard 311, in cardboard 311 blocks recess 29, alright in order to accomplish with the fixed with valve rod 24 and ball valve 1.

The working principle is as follows: in the use process of the utility model, the handle 21 is manually rotated, the handle 21 drives the threaded pipe 22 and the mounting rod 23 to rotate, the mounting rod 23 drives the rotating disc 28 to rotate, the rotating disc 28 rotates to drive the ball body 11 to rotate, the ball valve 1 is opened or closed, the mounting rod 23 drives the ball bearing 26 to rotate, and the ball bearing 26 is fixed with the valve rod 24 through the fixing pin 27, so that the problem that the valve rod 24 of the original ball valve 1 is easy to loosen and fall off after being used for a long time is solved, and the use stability of the ball valve 1 is improved;

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. A ball valve stem, includes ball valve (1), its characterized in that: the ball valve (1) is internally provided with a ball body (11), one side of the ball body (11) is fixedly connected with a connector (12), and the other side of the ball body (11) is fixedly connected with a flange plate (13);

the anti-falling device is characterized in that an anti-falling assembly (2) is arranged at the top of the ball body (11), a handle (21) is arranged in the anti-falling assembly (2), a threaded pipe (22) is fixedly connected to the bottom of the handle (21), an installation rod (23) is fixedly connected to the inside of the threaded pipe (22), a ball bearing (26) is fixedly connected to the bottom of the threaded pipe (22), a fixing pin (27) is movably inserted into the ball bearing (26), the bottom of the ball bearing (26) is arranged in a bearing seat (25), and a valve rod (24) is fixedly connected to the bottom of the bearing seat (25);

installation pole (23) pass ball bearing (26), bearing frame (25) and valve rod (24) middle part in proper order, installation pole (23) bottom fixed connection is on rolling disc (28), rolling disc (28) activity butt is in spheroid (11) top, spacing hole (210) have been seted up at bottom surface middle part in rolling disc (28), be provided with recess (29) on rolling disc (28) medial surface.

2. A ball valve stem according to claim 1, wherein: the anti-skidding thread is arranged on the outer surface of the handle (21), threads are arranged on the annular side face of the mounting rod (23), and the threaded pipe (22) is connected with the mounting rod (23) through the threads.

3. A ball valve stem according to claim 2, wherein: ball bearing (26) inside upside is equipped with spacing hole (210), the inside upside of valve rod (24) is equipped with spacing hole (210), spacing hole (210) are run through in fixed pin (27) are fixed mutually with valve rod (24) and ball bearing (26).

4. A ball valve stem according to claim 3, wherein: be provided with installation component (3) in valve rod (24), spiral disc (35) are contained in installation component (3), spiral disc (35) fixed connection is in handle (21) side, spiral disc (35) lateral surface swivelling joint has handle dish (38), all be provided with circular shape through-hole (36) on spiral disc (35) and the handle dish (38), through-hole (36) internalization is pegged graft and is had bolt (37).

5. A ball valve stem according to claim 4, wherein: handle dish (38) inside one side middle part fixedly connected with pivot (31), pivot (31) activity extends to in handle (21), pivot (31) bottom side highly is connected with driving gear (32), driving gear (32) side movable meshing has driven gear (33), fixedly connected with U-shaped bull stick (34) in driven gear (33).

6. A ball valve stem according to claim 5, wherein: the improved rotary valve is characterized in that a movable groove (39) is formed in the valve rod (24), the U-shaped rotating rod (34) extends downwards into the rotating disc (28) through the movable groove (39), a connecting rod (310) is fixedly connected to the bottom side of the U-shaped rotating rod (34), a clamping plate (311) is fixedly connected to the outer side of the connecting rod (310), and a limiting block (312) is welded to a piece of plum fixed in the bottom of the U-shaped rotating rod (34).

7. A ball valve stem according to claim 6, wherein: the clamping plate (311) is movably clamped in the groove (29), and the limiting block (312) is movably abutted in the limiting hole (210).