CN216975860U - Side-mounted nested duplex cock ball valve - Google Patents
Side-mounted nested duplex cock ball valve Download PDFInfo
- Publication number
- CN216975860U CN216975860U CN202220790747.1U CN202220790747U CN216975860U CN 216975860 U CN216975860 U CN 216975860U CN 202220790747 U CN202220790747 U CN 202220790747U CN 216975860 U CN216975860 U CN 216975860U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve rod
- cock
- tap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model provides a side-mounted nested duplex plug ball valve which comprises a valve body, a first valve rod and a second valve rod, wherein a flow hole is formed in the valve body, the first valve rod and the second valve rod are oppositely arranged on the valve body along the axial direction perpendicular to the flow hole, and meanwhile, the first valve rod and the second valve rod penetrate through the side wall of the valve body and can rotate relative to the valve body; a valve core assembly is embedded in the inner side of the circulation hole, the valve core assembly comprises a ball body and a cock sleeved on the periphery of the ball body, and a sealing assembly is arranged between the ball body and the cock; the first valve rod is fixedly connected with the cock, and the second valve rod is fixedly connected with the ball, so that the first valve rod and the second valve rod respectively control the cock and the ball to rotate in the flow hole. The utility model has simple structure, convenient installation and replacement and better sealing performance.
Description
Technical Field
The utility model relates to a ball valve, in particular to a side-mounted nested duplex plug cock ball valve.
Background
With the development of society and the rapid development of modern industries such as large-scale machinery, petroleum, chemical engineering, new energy, nuclear industry and the like, the requirement on the safety and reliability of the sealing of the valve is higher and higher. The ball valve is a valve whose opening and closing piece is driven by valve rod and can be rotated around the axis of ball valve. In China, 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, and occupies a great position in national economy.
However, with the increase of the service life, the abrasion between the valve core and the valve body is serious, and the dustproof and sealing performances are both obviously reduced, so that a valve with better sealing performance and convenient replacement of the valve core is needed to be provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a side-mounted nested duplex cock ball valve which is simple in structure, extremely convenient to install and replace and good in sealing performance.
Based on the purpose, the utility model provides a side-mounted nested duplex plug ball valve, which comprises a valve body, a first valve rod and a second valve rod, wherein a flow hole is formed in the valve body, the first valve rod and the second valve rod are oppositely arranged on the valve body along the axial direction perpendicular to the flow hole, and simultaneously, the first valve rod and the second valve rod both penetrate through the side wall of the valve body and can rotate relative to the valve body;
a valve core assembly is embedded in the inner side of the circulation hole, the valve core assembly comprises a ball body and a cock sleeved on the periphery of the ball body, and a sealing assembly is arranged between the ball body and the cock; the first valve rod is fixedly connected with the cock, and the second valve rod is fixedly connected with the ball, so that the first valve rod and the second valve rod respectively control the rotation of the cock and the ball in the flow through hole.
Preferably, the sealing assembly comprises a valve seat support ring, an O-ring and a spring, the valve seat support ring is arranged between the cock and the ball body, the O-ring is arranged between the valve seat support ring and the cock body, a plane is formed on one side of the cock body close to the ball body, a containing groove is defined on the plane, one end of the spring abuts against the groove bottom of the containing groove, and the other end of the spring abuts against the valve seat support ring.
Preferably, a dust-proof member is further disposed between the ball and the cock.
Preferably, a cylindrical pin is arranged between the cock and the valve seat support ring, and is limited by the cylindrical pin, so that the cock cannot be subjected to position deviation during the rotation of the cock relative to the valve body.
Preferably, the first valve rod is fixed on the valve body through a first cover body, and a first limiting part for limiting the length direction of the first valve rod is limited on the first cover body; the second valve rod is fixed on the valve body through a second cover body, and a second limiting part for limiting the length direction of the second valve rod is limited on the second cover body.
Preferably, a first bearing assembly is arranged between the first valve rod and the valve body, and a second bearing assembly is arranged between the second valve rod and the valve body.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model simultaneously arranges the cock and the ball body in the through hole, realizes a duplex structure through the respective control of the two valve rods, and can be installed only by arranging the ball body and the sealing component in the cock and laterally arranging the cock in the valve body when in use or replacement, thereby being very convenient to install and replace and having better sealing performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic cross-sectional view of a side-mounted nested duplex plug ball valve according to an embodiment of the present invention;
fig. 2 is an enlarged view at B in fig. 1.
Wherein, 1, a valve body; 2. a first valve stem; 3. a second valve stem; 4. a cock; 5. a sphere; 6. a valve seat support ring; 7. an O-shaped ring; 8. a cylindrical pin; 9. a dust-proof member; 10. a first bearing assembly; 11. a second bearing assembly; 12. a first cover body; 13. a second cover body; 14. a spring.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiment provides a side-mounted nested double-cock ball valve, as shown in fig. 1 and 2, the side-mounted nested double-cock ball valve comprises a valve body 1, a first valve rod 2 and a second valve rod 3, a flow hole is formed in the valve body 1, the first valve rod 2 and the second valve rod 3 are oppositely arranged on the valve body 1 along an axial direction perpendicular to the flow hole, and meanwhile, the first valve rod 2 and the second valve rod 3 both penetrate through the side wall of the valve body 1 and can rotate relative to the valve body 1;
a valve core assembly is embedded in the inner side of the flow hole and comprises a ball body 5 and a cock 4 sleeved on the periphery of the ball body 5, and a sealing assembly is arranged between the ball body 5 and the cock 4; the first valve rod 2 is fixedly connected with the cock 4, and the second valve rod 3 is fixedly connected with the ball 5, so that the first valve rod 2 and the second valve rod 3 respectively control the cock 4 and the ball 5 to rotate in the flow hole.
In a preferred embodiment, the sealing assembly comprises a valve seat support ring 6, an O-ring 7 and a spring 14, the valve seat support ring 6 is arranged between the plug 4 and the ball 5, the O-ring 7 is arranged between the valve seat support ring 6 and the plug 4, a plane is formed on one side of the plug 4 close to the ball 5, a receiving groove is defined on the plane, one end of the spring 14 abuts against the bottom of the receiving groove, and the other end abuts against the valve seat support ring 6.
As a preferred embodiment, a dust-proof member 9 is further arranged between the ball 5 and the cock 4, preferably, the dust-proof member 9 comprises a dust ring.
In a preferred embodiment, a cylindrical pin 8 is arranged between the plug 4 and the seat support ring 6, and the seat support ring 6 follows the plug 4 during the rotation of the plug 4 relative to the valve body 1, limited by the cylindrical pin 8.
As a preferred embodiment, the first valve rod 2 is fixed to the valve body 1 by a first cover 12, and the first cover 12 defines a first stopper portion for stopping the first valve rod 2 in the longitudinal direction; the second valve rod 3 is fixed on the valve body 1 through the second cover body 13, and the second cover body 13 is limited with a second limiting part for limiting the length direction of the second valve rod 3, so that the first valve rod 2 and the second valve rod 3 are both in a blowout prevention design, and when the filler is replaced, the valve rod can be prevented from being ejected out of the valve body due to improper operation.
In a preferred embodiment, a first bearing assembly 10 is arranged between the first valve rod 2 and the valve body 1, the first valve rod 2 is connected with the cock 4, a second bearing assembly 11 is arranged between the second valve rod 3 and the valve body 1, and the second valve rod 3 is connected with the ball 5, so that when the first valve rod 2 drives the cock 4 to rotate, the ball 5 cannot follow the rotation of the ball, and when the second valve rod 3 drives the ball 5 to rotate, the cock 4 cannot follow the rotation of the ball.
Above-mentioned structure is when installing, puts into the cock the inside with a series of seal parts such as spheroid, disk seat lock ring, O shape circle, dust ring, spring, through putting into the valve body with whole cock side dress, the installation is simple, and is sealed effectual, can prevent dust, and two driving method in front and back drive the valve rod operation cock and form sealedly on one side, drive the valve rod operation spheroid and form sealedly on one side, reach the sealed purpose of pair operation valve, have double seal, realize strict seal effect.
In addition, the hard seal can ensure the wear resistance of the sealing surface of the ball valve, and the service life of the valve can be effectively prolonged. The valve adopts the integral side nested design of the cock, and the installation and the disassembly are very simple, safe and reliable; the cock and the valve body are sealed once, the ball body and the valve seat are sealed once, and the double-seal valve with a driving mode can be really operated. The cock adopts the side-mounted nested design, and the valve rod has the function of preventing blowing off, and can not be influenced when the packing is changed on line to the pipeline, and the disk seat is equipped with the locating pin with the cock junction and prevents the rotatory shake of switch in-process cock.
In conclusion, the side-mounted nested hard seal design is adopted, the structure is simple, the sealing performance is good, the installation is convenient, the disassembly and the replacement are very flexible, a plurality of sealing functions are arranged, the dustproof and sealing effects are excellent, the duplex operation is realized, the service life is long, the side-mounted nested hard seal structure is suitable for various working conditions with high sealing requirements, and the user experience is improved.
Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the principle and spirit of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (6)
1. The side-mounted nested duplex plug ball valve is characterized by comprising a valve body (1), a first valve rod (2) and a second valve rod (3), wherein a through hole is formed in the valve body (1), the first valve rod (2) and the second valve rod (3) are oppositely arranged on the valve body (1) along the axial direction perpendicular to the through hole, and meanwhile, the first valve rod (2) and the second valve rod (3) penetrate through the side wall of the valve body (1) and can rotate relative to the valve body (1);
a valve core assembly is embedded in the inner side of the flow hole and comprises a ball body (5) and a cock (4) sleeved on the periphery of the ball body (5), and a sealing assembly is arranged between the ball body (5) and the cock (4); the first valve rod (2) is fixedly connected with the cock (4), and the second valve rod (3) is fixedly connected with the ball body (5), so that the first valve rod (2) and the second valve rod (3) respectively control the cock (4) and the ball body (5) to rotate in the through hole.
2. A side-mounted nested double-tap ball valve according to claim 1, wherein the sealing assembly comprises a seat support ring (6), an O-ring (7) and a spring (14), the seat support ring (6) is arranged between the tap (4) and the ball (5), the O-ring (7) is arranged between the seat support ring (6) and the tap (4), a plane is formed on one side of the tap (4) close to the ball (5), a receiving groove is defined on the plane, one end of the spring (14) abuts against the bottom of the receiving groove, and the other end abuts against the seat support ring (6).
3. A side-mounted nested double-tap ball valve according to claim 2, characterized in that a dust-proof member (9) is further arranged between the ball (5) and the tap (4).
4. A side-mounted nested double-tap ball valve according to claim 1, wherein a cylindrical pin (8) is provided between the tap (4) and the seat support ring (6), and is limited by the cylindrical pin (8), and the tap (4) and the seat support ring (6) do not displace relative to each other during rotation of the tap (4) relative to the valve body (1).
5. A side-mounted nested double-tap ball valve according to claim 1, wherein the first valve stem (2) is fixed to the valve body (1) through a first cover body (12), and the first cover body (12) defines a first limiting part for limiting the length direction of the first valve stem (2); the second valve rod (3) is fixed on the valve body (1) through a second cover body (13), and a second limiting part for limiting the length direction of the second valve rod (3) is limited on the second cover body (13).
6. A side-mounted nested double plug ball valve according to claim 5, wherein a first bearing assembly (10) is provided between the first valve stem (2) and the valve body (1) and a second bearing assembly (11) is provided between the second valve stem (3) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220790747.1U CN216975860U (en) | 2022-04-07 | 2022-04-07 | Side-mounted nested duplex cock ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220790747.1U CN216975860U (en) | 2022-04-07 | 2022-04-07 | Side-mounted nested duplex cock ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975860U true CN216975860U (en) | 2022-07-15 |
Family
ID=82342692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220790747.1U Active CN216975860U (en) | 2022-04-07 | 2022-04-07 | Side-mounted nested duplex cock ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975860U (en) |
-
2022
- 2022-04-07 CN CN202220790747.1U patent/CN216975860U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207080517U (en) | A kind of ball valve power transmission shaft with spline | |
| CN111022695B (en) | High-temperature graphite sealing titanium alloy ball valve | |
| CN102410381A (en) | Bidirectional hard seal ball valve for coal chemical industry | |
| CN104180064A (en) | Stop valve | |
| CN216975860U (en) | Side-mounted nested duplex cock ball valve | |
| CN209294453U (en) | A kind of noise reduction ball valve of stable structure | |
| CN201561139U (en) | High-pressure heavy-caliber flat-plate gate valve | |
| CN108591525A (en) | A kind of lift seal ball-valve | |
| CN205715756U (en) | A kind of novel anti-gray valve seat construction of Coal Chemical Industry ball valve | |
| CN209309371U (en) | A kind of portable compensates the floating ball valve of ball wear automatically | |
| CN204692634U (en) | A kind of Novel magnetic controlled ball valve | |
| CN206874871U (en) | Antistatic fire-retardant ball valve | |
| CN202188153U (en) | Bidirectional hard-seal fixed-type ball valve used in coal chemical industry | |
| CN206386516U (en) | A kind of metal hard-sealing ball valve with double thrust bearing structure | |
| CN108692058A (en) | A kind of multiple anti-blow ball valve of low torque | |
| CN104329480A (en) | Electric ball valve | |
| CN112709837A (en) | Valve seat sealing washer abrasionproof decreases ball valve | |
| CN214534602U (en) | Underwater control valve | |
| CN219588159U (en) | Hard seal fixed ball valve | |
| CN208457257U (en) | Durable ball valve | |
| CN217874293U (en) | Eccentric half ball valve | |
| CN218935338U (en) | Intercommunication structure of valve part and sealing element | |
| CN202194856U (en) | Novel mechanical seal for slurry pump | |
| CN220037505U (en) | Ultralow temperature upper-mounted floating ball valve | |
| CN219432497U (en) | Powder plug valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |