CN215831193U - Ball valve with bearing valve rod - Google Patents
Ball valve with bearing valve rod Download PDFInfo
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- CN215831193U CN215831193U CN202122304383.XU CN202122304383U CN215831193U CN 215831193 U CN215831193 U CN 215831193U CN 202122304383 U CN202122304383 U CN 202122304383U CN 215831193 U CN215831193 U CN 215831193U
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- sliding groove
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Abstract
The invention relates to the field of ball valves, in particular to a ball valve with a bearing valve rod, which comprises an auxiliary valve body and a main valve body, wherein the auxiliary valve body is fixedly connected with the main valve body in a sealing way through a full-thread stud and a hexagon nut; the stainless steel ball bearing is additionally arranged between the valve body and the valve rod, so that the friction force of the valve rod is effectively reduced, the valve rod and the valve body are prevented from being abraded when being opened and closed, and the service life of the valve can be obviously prolonged.
Description
Technical Field
The invention relates to the field of ball valves, in particular to a ball valve with a bearing valve rod.
Background
The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. At present, the ball valve can generate large friction resistance between the valve rod and the valve body in the rotating opening and closing process, the valve rod and the valve body are easily abraded, the service life of the valve is prolonged, the large friction resistance is generated when the ball valve is driven to open and close through a pneumatic or electric rotating mechanism, the torque of the valve switch is increased, the valve switch is controlled to be more labor-consuming, and then the driving consumption is increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a ball valve with a bearing valve rod.
The technical scheme adopted by the invention for solving the technical problems is as follows: a ball valve with a bearing valve rod comprises an auxiliary valve body and a main valve body, wherein the auxiliary valve body and the main valve body are fixedly connected through a full-thread stud and a hexagon nut in a sealing way, a valve seat is clamped between the auxiliary valve body and the inside of the main valve body, a ball body serving as a valve core is clamped in the valve seat, the upper end of the main valve body is provided with a valve rod, the bottom end of the valve rod is fixedly connected with the top surface of the sphere, the top end of the valve rod is connected with a rotary driving mechanism, the lower end of the valve rod is provided with an outer chute which is arranged around the axial direction of the valve rod in a circle, an inner chute which is arranged on the outer ring of the outer chute is arranged inside the upper end of the main valve body, and the outer side end of the inner chute is provided with a filling port extending to the outside of the main valve body, the outer chute is in sealed butt joint with the notch of the inner chute to form a circular chute, the circular sliding groove is filled with a plurality of steel balls, and an inner hexagonal cone end fastening screw is hermetically installed in the filling port.
Furthermore, a winding gasket is arranged at the joint of the auxiliary valve body and the main valve body.
Furthermore, a graphite sealing ring, a valve seat pressing ring and an elastic gasket are arranged at the joint of the auxiliary valve body and the main valve body and the valve seat.
Furthermore, a packing groove located on the outer ring of the valve rod is formed in the upper end of the main valve body, combined packing is filled in the packing groove, a packing pressing sleeve is installed at the top end of the packing groove, and a packing pressing cover is installed at the top end of the packing pressing sleeve.
Further, the rotary driving mechanism is a handle or a pneumatic rotating mechanism or an electric rotating mechanism.
The invention has the beneficial effects that:
according to the bearing valve rod ball valve, the stainless steel ball bearing is additionally arranged between the valve body and the valve rod, so that the friction force of the valve rod is effectively reduced, the valve rod and the valve body are prevented from being abraded when opened and closed, and the service life of the valve can be obviously prolonged; meanwhile, the reduction of the friction force enables the opening and closing torque of the valve to be small, the valve is more labor-saving to open and close, the opening and closing time is short, and the rotary control mechanism is convenient to control the connection of the valve.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention when the handle is used;
FIG. 2 is a schematic view of the overall structure of the pneumatic device of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. a full-thread stud; 2. a hexagonal nut; 3. a sub-valve body; 4. winding the gasket; 5. a main valve body; 6. a graphite seal ring; 7. a valve seat pressing ring; 8. an elastic pad; 9. a valve seat; 10. a sphere; 11. a valve stem; 12. a set screw is fastened at the inner hexagonal cone end; 13. steel balls; 14. combining fillers; 15. pressing and sleeving the filler; 16. a packing gland; 17. a rotation driving mechanism; 18. an outer chute; 19. an inner chute; 20. a fill port.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-3, the ball valve with a bearing valve rod according to the present invention includes an auxiliary valve body 3 and a main valve body 5, the auxiliary valve body 3 and the main valve body 5 are fixedly connected by a full-thread stud 1 and a hexagon nut 2 in a sealing manner, a valve seat 9 is clamped between the auxiliary valve body 3 and the inside of the main valve body 5, a ball 10 serving as a valve core is clamped in the valve seat 9, a valve rod 11 is installed at the upper end of the main valve body 5, the bottom end of the valve rod 11 is fixedly connected to the top surface of the ball 10, the top end of the valve rod 11 is connected to a rotation driving mechanism 17, an outer chute 18 is formed at the lower end of the valve rod 11 around the axial direction thereof, an inner chute 19 located at the outer ring of the outer chute 18 is formed inside the upper end of the main valve body 5, and a filling port 20 extending to the outside of the main valve body 5 is formed at the outer end of the inner chute 19, the outer sliding groove 18 and the inner sliding groove 19 are in sealed butt joint to form a circular sliding groove, a plurality of steel balls 13 are filled in the circular sliding groove, and the inner hexagonal cone end fastening screw 12 is hermetically arranged in the filling opening 20.
And a winding gasket 4 is arranged at the joint of the auxiliary valve body 3 and the main valve body 5, so that the sealing property of the joint of the auxiliary valve body 3 and the main valve body 5 can be improved.
And the joints of the auxiliary valve body 3, the main valve body 5 and the valve seat 9 are provided with a graphite sealing ring 6, a valve seat pressing ring 7 and an elastic gasket 8, so that the mounting stability and the sealing property of the valve seat 9 can be improved.
The upper end of the main valve body 5 is provided with a packing groove positioned on the outer ring of the valve rod 11, the packing groove is filled with combined packing 14, the top end of the packing groove is provided with a packing pressing sleeve 15, the top end of the packing pressing sleeve 15 is provided with a packing pressing cover 16, and the sealing performance of the joint of the valve rod 11 and the main valve body 5 can be improved through the combined packing 14.
The rotation driving mechanism 17 is a handle or a pneumatic rotation mechanism or an electric rotation mechanism.
Specifically, during the assembly of this valve, pack between outer spout 18 and the interior spout 19 with a plurality of steel balls 13 in proper order through filling opening 20, make steel ball 13 form bearing structure between valve rod 11 and the main valve body 5, rethread filling opening 20 injects high temperature lubricating oil into bearing structure, it is sealed with filling opening 20 locking through interior hexagonal cone end holding screw 12 at last, bearing structure can reduce the frictional force between its and the main valve body 5 when valve rod 11 is rotatory, make opening and close of valve laborsaving convenience more, simultaneously the upper end of valve rod 11 is sealed through combined packing 14, the lower extreme is sealed through spheroid 10, can guarantee the leakproofness of valve rod 11 and main valve body 5 junction, prevent that high temperature lubricating oil and valve body medium from revealing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a bearing valve rod ball valve, includes vice valve body (3) and main valve body (5), its characterized in that: the auxiliary valve body (3) is fixedly connected with the main valve body (5) in a sealing mode through a full-thread stud (1) and a hexagon nut (2), a valve seat (9) is clamped between the auxiliary valve body (3) and the inside of the main valve body (5), a ball body (10) serving as a valve core is clamped in the valve seat (9), a valve rod (11) is installed at the upper end of the main valve body (5), the bottom end of the valve rod (11) is fixedly connected with the top surface of the ball body (10), the top end of the valve rod (11) is connected with a rotary driving mechanism (17), an outer sliding groove (18) which winds the lower end of the valve rod (11) in one circle in the axial direction of the valve rod is arranged at the lower end of the main valve body (5), an inner sliding groove (19) which is located on the outer ring of the outer sliding groove (18) is arranged inside the upper end of the main valve body (5), and a filling port (20) which extends to the outside of the main valve body (5) is arranged at the outer side end of the inner sliding groove (19), the outer sliding groove (18) and the groove opening of the inner sliding groove (19) are in sealed butt joint to form a circular sliding groove, a plurality of steel balls (13) are filled in the circular sliding groove, and an inner hexagonal cone end fastening screw (12) is installed in the filling opening (20) in a sealed mode.
2. A bearing stem ball valve in accordance with claim 1 wherein: and a winding gasket (4) is arranged at the joint of the auxiliary valve body (3) and the main valve body (5).
3. A bearing stem ball valve in accordance with claim 1 wherein: and a graphite sealing ring (6), a valve seat pressing ring (7) and an elastic gasket (8) are arranged at the joint of the auxiliary valve body (3) and the main valve body (5) with the valve seat (9).
4. A bearing stem ball valve in accordance with claim 1 wherein: the upper end of the main valve body (5) is provided with a packing groove located on the outer ring of the valve rod (11), combined packing (14) is filled in the packing groove, a packing pressing sleeve (15) is installed at the top end of the packing groove, and a packing pressing cover (16) is installed at the top end of the packing pressing sleeve (15).
5. A bearing stem ball valve in accordance with claim 1 wherein: the rotary driving mechanism (17) is a handle or a pneumatic rotating mechanism or an electric rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304383.XU CN215831193U (en) | 2021-09-23 | 2021-09-23 | Ball valve with bearing valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304383.XU CN215831193U (en) | 2021-09-23 | 2021-09-23 | Ball valve with bearing valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215831193U true CN215831193U (en) | 2022-02-15 |
Family
ID=80200928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122304383.XU Active CN215831193U (en) | 2021-09-23 | 2021-09-23 | Ball valve with bearing valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215831193U (en) |
-
2021
- 2021-09-23 CN CN202122304383.XU patent/CN215831193U/en active Active
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