CN211117735U - Anti-abrasion sealing ball valve - Google Patents
Anti-abrasion sealing ball valve Download PDFInfo
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- CN211117735U CN211117735U CN201921428552.7U CN201921428552U CN211117735U CN 211117735 U CN211117735 U CN 211117735U CN 201921428552 U CN201921428552 U CN 201921428552U CN 211117735 U CN211117735 U CN 211117735U
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- sealing cover
- valve seat
- adjusting rod
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Abstract
The utility model relates to a valve field discloses an abrasionproof decreases sealing ball valve. Comprises a valve body, a valve ball, a valve seat and a rotary adjusting rod. The valve body is integrally formed with a flow passage by casting. A valve ball is mounted in the flow passage. The valve body is provided with an upper sealing cover and a lower sealing cover, a valve seat is movably arranged between the valve ball and the valve body, the upper end face of the valve seat is provided with a downward inclined plane, and the upper sealing cover is provided with a plurality of rotating adjusting rods which are vertically arranged and surround the upper sealing cover at intervals. The rotary adjusting rod is in threaded fit with the upper sealing cover. The bottom end of the rotary adjusting rod is matched with an inclined plane which penetrates through the upper sealing cover and the valve seat. The utility model discloses an adopt valve body casting integrated into one piece, make the structure compacter of ball valve, increased the intensity of ball valve, improved the leakproofness and the stability of ball valve. Meanwhile, the rotary adjusting rod is arranged, so that the abrasion of the contact part of the valve seat and the valve ball is reduced, the service life and the wear resistance of the valve seat are improved, the opening and closing are flexible, and the practicability is high.
Description
Technical Field
The utility model relates to a valve field, in particular to abrasionproof decreases sealing ball valve.
Background
The ball valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. Most of the seals of the existing ball valve at the valve rod and the positioning shaft are fixed by screws, and the sealing strength is weak. Meanwhile, most of the contact parts of the valve seat and the valve ball are in hard contact, and cannot be adjusted and controlled once being assembled. After long-time use, the valve seat has certain degree of abrasion, the leakage phenomenon easily occurs, and the service life and the sealing performance of the valve seat are reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an abrasionproof decreases sealed ball valve through adopting valve body casting integrated into one piece, makes the structure compacter of ball valve, has increased the intensity of ball valve, has improved the leakproofness and the stability of ball valve. Meanwhile, the rotary adjusting rod is arranged, so that the abrasion of the contact part of the valve seat and the valve ball is reduced, the service life and the wear resistance of the valve seat are improved, the opening and closing are flexible, and the practicability is high.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an anti-abrasion sealing ball valve comprises a valve body, a valve ball, a valve seat and a rotary adjusting rod; the valve body is integrally formed with a flow channel through casting; the valve ball is arranged in the flow channel; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; the valve seat is movably arranged between the valve ball and the valve body; the upper end surface of the valve seat is provided with a downward inclined surface, and the upper sealing cover is provided with a plurality of rotating adjusting rods which are vertically arranged and surround the upper sealing cover at intervals; the upper part of the rotating adjusting rod is provided with an external thread, and the external thread is in threaded fit with the upper sealing cover; a support spring is movably sleeved on the rotation adjusting rod and is positioned in the upper sealing cover; the bottom end of the rotary adjusting rod penetrates through the upper sealing cover to be matched with the inclined plane of the valve seat, and the valve seat is pushed towards the center of the valve ball.
As a preferred scheme of the utility model, a valve rod is installed on the top of the valve ball, and the valve rod passes through the upper sealing cover; and a positioning shaft is fixedly arranged on the lower sealing cover, and the positioning shaft penetrates through the lower sealing cover to be arranged at the bottom of the valve ball.
As an optimal scheme of the utility model the valve rod with the contact department of last closing cap and the location axle with the contact department of lower closing cap all is provided with the axle sleeve.
As an optimized proposal of the utility model, the sealing contact part of the valve seat and the valve ball is provided with a sealing ring.
As an optimal scheme of the utility model be provided with on the disk seat and be convenient for the screw is extracted in disk seat dismantlement.
As an optimal scheme of the utility model the valve rod is equipped with graphite sealing ring, metal gasket and dish spring outward in proper order the cover.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses an adopt valve body casting integrated into one piece, make the structure compacter of ball valve, increased the intensity of ball valve, improved the leakproofness and the stability of ball valve. Meanwhile, the rotary adjusting rod is arranged, so that the abrasion of the contact part of the valve seat and the valve ball is reduced, the service life and the wear resistance of the valve seat are improved, the opening and closing are flexible, and the practicability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1-valve rod 2-upper sealing cover 3-pulling screw hole 4-positioning shaft
5-valve body 6-graphite sealing ring 7-metal gasket 8-disc spring
9-valve seat 10-valve ball 11-shaft sleeve 12-sealing ring
13-inclined plane 14-supporting spring 15-rotary adjusting rod 16-external thread
17-lower closure 18-flow channel.
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 belong to the protection scope of the present invention.
Examples
As shown in figure 1, the utility model relates to an abrasionproof decreases sealed ball valve, including valve body 5, valve ball 10, disk seat 9 and rotation regulation pole 15.
Specifically, the valve body 5 is integrally formed with the flow channel 18 through casting, so that the structure of the ball valve is more compact, the strength of the ball valve is increased, and the sealing performance and the stability of the ball valve are improved. A ball valve 10 is installed in the flow passage 18 to open or close the ball valve. A valve stem 1 is mounted on top of the valve ball 10, and the valve stem 1 penetrates through the upper cap 2. A graphite sealing ring 6, a metal gasket 7 and a disc spring 8 are sequentially sleeved outside the valve rod 1. The metal gasket 7 supports the graphite sealing ring 6 through the spring force generated by the disc spring 8, so that the ball valve is prevented from leaking outwards, and the sealing of the graphite sealing ring 6 is ensured. The lower sealing cover 17 is fixedly provided with a positioning shaft 4, and the positioning shaft 4 penetrates through the lower sealing cover 17 and is arranged at the bottom of the valve ball 10. The positioning shaft 4 and the valve rod 1 are coaxially arranged, so that the consistency of the rotating ball valve is ensured. Wherein, the shaft sleeve 11 is arranged at the contact part of the valve rod 1 and the upper sealing cover 2 and the contact part of the positioning shaft 4 and the lower sealing cover 17, so that the surface abrasion of the contact parts is reduced. An upper sealing cover 2 and a lower sealing cover 17 are arranged on the valve body 5, the upper sealing cover 2 is positioned above the valve ball 10, and the lower sealing cover 17 is positioned below the valve ball 10. A valve is movably installed between the valve ball 10 and the valve body 5. A sealing ring 12 is arranged at the sealing contact position of the valve seat 9 and the valve ball 10 and used for improving the sealing performance of the ball valve. The valve seat 9 is also provided with a drawing screw hole 3 which is convenient for the valve seat 9 to be detached. Allowing the worker to easily remove the valve seat 9. Be equipped with the inclined plane 13 of downward sloping at the up end of disk seat 9, install a plurality ofly on last closing cap 2 and be vertical rotation regulation pole 15 that set up the interval and encircle upper cover 2, be provided with external screw thread 16 on the upper portion of rotation regulation pole 15, external screw thread 16 and the 2 screw-thread fit of upper cover, the movable sleeve is equipped with supporting spring 14 on rotation regulation pole 15, supporting spring 14 is located closing cap 2 for improve the stability of ball valve. The bottom end of the rotary adjusting rod 15 passes through the upper sealing cover 2 to be matched with the inclined surface 13 of the valve seat 9, and is used for pushing the valve seat 9 to the center of the valve ball 10. Wherein, preferably, the utility model discloses a rotation is adjusted 15 bottom longitudinal sections of pole and is 90, and the inclined plane 13 of disk seat 9 is 45. In practical application, the bottom end of the rotation adjusting rod 15 is moved downwards only by rotating the rotation adjusting rod 15, so that the bottom end of the rotation adjusting rod 15 is matched with the inclined surface 13 on the end surface of the other side of the valve seat 9, the valve seat 9 is moved towards the center of the valve ball 10, the gap between the matched positions of the valve seat 9 and the valve ball 10 is reduced, and the sealing performance of the valve seat is improved.
The utility model discloses an action principle process: the flow channel 18 is integrally formed by casting the valve body 5, so that the structure of the ball valve is more compact, the strength of the ball valve is increased, and the sealing property and the stability of the ball valve are improved. When the ball valve is opened, the valve rod 1 is rotated firstly, the valve ball 10 is communicated with the flow channel 18, then the rotation adjusting rod 15 is rotated, and the bottom end of the rotation adjusting rod 15 is matched with the inclined surface 13 at the upper end of the valve seat 9, so that the valve seat 9 is driven to move towards the center of the valve ball 10, the valve seat 9 is tightly attached to the valve ball 10, and the sealing performance of the valve seat 9 is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An anti-abrasion sealing ball valve is characterized by comprising a valve body, a valve ball, a valve seat and a rotary adjusting rod; the valve body is integrally formed with a flow channel through casting; the valve ball is arranged in the flow channel; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; the valve seat is movably arranged between the valve ball and the valve body; the upper end surface of the valve seat is provided with a downward inclined surface, and the upper sealing cover is provided with a plurality of rotating adjusting rods which are vertically arranged and surround the upper sealing cover at intervals; the upper part of the rotating adjusting rod is provided with an external thread, and the external thread is in threaded fit with the upper sealing cover; a support spring is movably sleeved on the rotation adjusting rod and is positioned in the upper sealing cover; the bottom end of the rotary adjusting rod penetrates through the upper sealing cover to be matched with the inclined plane of the valve seat, and the valve seat is pushed towards the center of the valve ball.
2. The abrasion resistant sealed ball valve of claim 1, wherein a valve stem is mounted on top of said valve ball, said valve stem passing through said upper closure cap; and a positioning shaft is fixedly arranged on the lower sealing cover, and the positioning shaft penetrates through the lower sealing cover to be arranged at the bottom of the valve ball.
3. The ball valve of claim 2, wherein a bushing is provided at each of the contact between the valve stem and the upper closure and the contact between the positioning shaft and the lower closure.
4. The wear resistant sealed ball valve of claim 1, wherein a sealing ring is provided at the sealing contact of said valve seat and ball.
5. The abrasion resistant sealed ball valve of claim 1, wherein said valve seat is provided with a draw-out screw hole for facilitating removal of said valve seat.
6. The abrasion resistant sealed ball valve of claim 2, wherein a graphite sealing ring, a metal gasket and a disc spring are sequentially sleeved outside the valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428552.7U CN211117735U (en) | 2019-08-30 | 2019-08-30 | Anti-abrasion sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428552.7U CN211117735U (en) | 2019-08-30 | 2019-08-30 | Anti-abrasion sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117735U true CN211117735U (en) | 2020-07-28 |
Family
ID=71690241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428552.7U Active CN211117735U (en) | 2019-08-30 | 2019-08-30 | Anti-abrasion sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117735U (en) |
-
2019
- 2019-08-30 CN CN201921428552.7U patent/CN211117735U/en active Active
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