CN219529883U - Composite sealing upper-mounted hemispherical valve - Google Patents
Composite sealing upper-mounted hemispherical valve Download PDFInfo
- Publication number
- CN219529883U CN219529883U CN202320574313.2U CN202320574313U CN219529883U CN 219529883 U CN219529883 U CN 219529883U CN 202320574313 U CN202320574313 U CN 202320574313U CN 219529883 U CN219529883 U CN 219529883U
- Authority
- CN
- China
- Prior art keywords
- valve
- mounting groove
- compensation
- valve body
- sealing
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model provides a compound sealed upper hemispherical valve, which comprises a valve body and a valve rod, wherein the valve rod is rotatably arranged on the valve body, and a water inlet and a water outlet are formed in the valve body; a valve core is rotatably arranged in the valve body and fixedly arranged at the lower end of the valve rod; a water outlet on the valve body is provided with a mounting groove, a valve seat is slidably arranged in the mounting groove, and the valve core can be abutted against the valve seat; the inner wall of the mounting groove is provided with an internal thread, the mounting groove is internally provided with a compensation bolt in a threaded fit manner, and the compensation bolt can be abutted against the valve seat; the compound sealed upper half ball valve can be used for tightly propping the valve seat towards the direction of the hemispherical valve core through the compensation bolt after the sealing failure, so that the valve core and the valve seat are sealed again reliably, the cost is low, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the field of hemispherical valves, in particular to a compound sealed upper half ball valve.
Background
When the ball valve works, the ball body rotates around the central line of the valve body to realize the opening and closing of the valve. The eccentric hemispherical valve has the advantages of small flow resistance, good sealing performance and flexible and portable operation, so that the eccentric hemispherical valve is widely applied to various industries. Traditional hemisphere valve realizes closing of valve through the contact between hemisphere case and the disk seat, and hemisphere case rotation makes hemisphere case and disk seat separation realize opening of valve, and the wearing and tearing between hemisphere case and the disk seat is great in the switch process, easily causes sealed inefficacy, needs change case or disk seat after the inefficacy, and the replacement cost is high, and the change operation is loaded down with trivial details.
Disclosure of Invention
The utility model provides a composite sealed upper half ball valve, which is used for solving the problems of high replacement and maintenance cost and complicated flow after the sealing failure of a valve core and a valve seat of a traditional half ball valve.
In order to solve the problems, the utility model provides a compound sealed upper-mounted hemispherical valve, which comprises a valve body and a valve rod, wherein the valve rod is rotatably arranged on the valve body, and a water inlet and a water outlet are formed in the valve body; a valve core is rotatably arranged in the valve body and fixedly arranged at the lower end of the valve rod; a mounting groove is formed in the water outlet of the valve body, a valve seat is slidably arranged in the mounting groove, and the valve core can be abutted against the valve seat; the inner wall of the mounting groove is provided with an internal thread, the mounting groove is internally provided with a compensation bolt through threaded fit, and the compensation bolt can be abutted against the valve seat.
Further, a sealing groove is formed in the mounting groove and located between the valve seat and the compensation bolt, a compensation sealing gasket is mounted in the sealing groove, one side of the compensation sealing gasket is abutted to the valve seat, and the other side of the compensation sealing gasket is abutted to the compensation bolt.
Further, the diameter of the sealing groove is larger than the diameter of the mounting groove, and the diameter of the compensation sealing gasket is larger than the diameter of the mounting groove.
Further, a clamping table is arranged in the mounting groove, the bolt head of the compensation bolt can be abutted against the clamping table, and an extrusion sealing ring is further arranged between the bolt head of the compensation bolt and the clamping table.
Further, a wear-resistant sealing ring is arranged on the valve core, and the wear-resistant sealing ring can be abutted against the valve seat.
Further, the wear-resistant sealing ring is detachably mounted on the valve core through bolts.
Further, a rotary sealing ring is arranged between the valve rod and the valve body.
Further, a rotating shaft is arranged at the lower end of the valve body, and the lower end of the valve core is installed in the valve body through the rotating shaft.
The utility model has the beneficial effects that:
the compound sealed upper half ball valve can be used for tightly propping the valve seat towards the direction of the hemispherical valve core through the compensation bolt after the sealing failure, so that the valve core and the valve seat are sealed again reliably, the cost is low, and the operation is simple and convenient.
Drawings
FIG. 1 is a top view of the overall state one of an embodiment of the present utility model;
fig. 2 is an enlarged view of a portion of fig. 1 a in accordance with an embodiment of the present utility model.
In the figure: 1. a valve body; 12. a rotating shaft; 2. a valve stem; 21. rotating the sealing ring; 3. a valve core; 4. wear-resistant sealing rings; 5. a valve seat; 6. a compensating seal; 7. a mounting groove; 71. a compensation bolt; 72. and extruding the sealing ring.
Detailed Description
The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The embodiment of the composite sealed upper half ball valve of the utility model shown in fig. 1 to 2 comprises a valve body 1 and a valve rod 2, wherein the valve rod 2 is rotatably arranged on the valve body 1, and a water inlet and a water outlet are formed in the valve body 1; a valve core 3 is rotatably arranged in the valve body 1, and the valve core 3 is fixedly arranged at the lower end of the valve rod 2; a water outlet on the valve body 1 is provided with a mounting groove 7, a valve seat 5 is slidably arranged in the mounting groove 7, and the valve core 3 can be abutted against the valve seat 5; an internal thread is arranged on the inner wall of the mounting groove 7, a compensation bolt 71 is mounted in the mounting groove 7 through threaded fit, and the compensation bolt 71 can be abutted against the valve seat 5.
Specifically, when the composite sealed upper half ball valve is used, the water inlet and the water outlet of the valve body 1 are respectively connected to a water pipe through a flange plate, and in use, the valve core 3 and the valve seat 5 are worn through frequent switching, so that the valve core 3 cannot be tightly attached to the valve seat 5, the sealing between the valve core 3 and the valve seat 5 is invalid, and the valve body 1 starts to leak water and seep water; when the water valve is overhauled, the water valve is closed, the half ball valve is detached from the water pipe, then the compensating bolt 71 in the mounting groove 7 is rotated by a screwdriver, the compensating bolt 71 is abutted against the valve seat 5, the valve seat 5 can be pushed out towards the valve core 3 by screwing the compensating bolt 71 towards the valve core 3, the valve core 3 can be tightly attached to the valve seat 5 again, and the reliable sealing between the valve core 3 and the valve seat 5 is ensured by the composite sealing of the valve core 3, the valve seat 5 and the compensating bolt 71.
In one embodiment of the present utility model, preferably, a sealing groove is formed in the mounting groove 7, the sealing groove is located between the valve seat 5 and the compensating bolt 71, a compensating sealing gasket 6 is installed in the sealing groove, one side of the compensating sealing gasket 6 is abutted against the valve seat 5, and the other side of the compensating sealing gasket 6 is abutted against the compensating bolt 71; when the half ball valve is closed, the valve core 3 is abutted against the valve seat 5, the valve seat 5 is extruded, the valve seat 5 is further extruded to compensate the sealing gasket 6, after the compensating sealing gasket 6 is extruded, the circumference of the compensating sealing gasket is abutted against the side wall of the sealing groove, the sealing between the valve seat 5 and the valve body 1 is further reliable, and water seepage between the valve seat 5 and the valve body 1 is prevented.
In one embodiment of the utility model, it is preferable that the diameter of the seal groove is larger than the diameter of the installation groove 7, and the diameter of the compensating seal 6 is larger than the diameter of the installation groove 7; the compensation sealing gasket 6 is guaranteed to be pressed against the circumferential side wall of the sealing groove, and the compensation sealing gasket 6 is further guaranteed to be reliably sealed between the valve seat 5 and the valve body 1.
In one embodiment of the present utility model, preferably, a clamping table is disposed in the mounting groove 7, the bolt head of the compensation bolt 71 can be abutted against the clamping table, and an extrusion sealing ring 72 is disposed between the bolt head of the compensation bolt 71 and the clamping table; the tightness between the bolt head of the compensation bolt 71 and the mounting groove 7 is improved, when the compensation bolt 71 is screwed, the compression seal ring 72 is only required to be compressed and pressed tightly, after the compression seal ring 72 is deformed to the limit and cannot be compressed, if the valve seat 5 is required to be pressed tightly inwards through the compensation bolt 71, the compensation bolt 71 can be pulled out, and then the compression seal ring 72 can be replaced by a thinner seal ring.
In one embodiment of the present utility model, preferably, the valve core 3 is provided with a wear-resistant sealing ring 4, and the wear-resistant sealing ring 4 can abut against the valve seat 5; the service life of the valve core 3 is prolonged.
In one embodiment of the present utility model, preferably, the wear-resistant seal ring 4 is detachably mounted on the valve core 3 by bolts; convenient to replace after the abrasion-resistant sealing ring 4 is abraded.
In one embodiment of the utility model, a rotary sealing ring 21 is preferably arranged between the valve rod 2 and the valve body 1; the tightness between the valve rod 2 and the valve body 1 is ensured.
In one embodiment of the present utility model, preferably, the lower end of the valve body 1 is provided with a rotating shaft 12, and the lower end of the valve core 3 is installed in the valve body 1 through the rotating shaft 12; the valve core 3 is flexible to rotate and reliable to install.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The composite sealing upper-mounted hemispherical valve comprises a valve body and a valve rod, wherein the valve rod is rotatably arranged on the valve body, and a water inlet and a water outlet are formed in the valve body; the method is characterized in that: a valve core is rotatably arranged in the valve body and fixedly arranged at the lower end of the valve rod; a mounting groove is formed in the water outlet of the valve body, a valve seat is slidably arranged in the mounting groove, and the valve core can be abutted against the valve seat; the inner wall of the mounting groove is provided with an internal thread, the mounting groove is internally provided with a compensation bolt through threaded fit, and the compensation bolt can be abutted against the valve seat.
2. The composite seal top-up half ball valve of claim 1, wherein: the installation groove is internally provided with a sealing groove, the sealing groove is positioned between the valve seat and the compensation bolt, a compensation sealing gasket is arranged in the sealing groove, one side of the compensation sealing gasket is abutted against the valve seat, and the other side of the compensation sealing gasket is abutted against the compensation bolt.
3. The composite seal top-up half ball valve of claim 2, wherein: the diameter of the sealing groove is larger than that of the mounting groove, and the diameter of the compensation sealing gasket is larger than that of the mounting groove.
4. The composite seal top-up half ball valve according to claim 3, wherein: the mounting groove is internally provided with a clamping table, the bolt head of the compensation bolt can be abutted against the clamping table, and an extrusion sealing ring is further arranged between the bolt head of the compensation bolt and the clamping table.
5. The composite seal top-up half ball valve of claim 1, wherein: and the valve core is provided with a wear-resistant sealing ring which can be abutted against the valve seat.
6. The composite seal top-up half ball valve according to claim 5, wherein: the wear-resistant sealing ring is detachably mounted on the valve core through bolts.
7. The composite seal top-up half ball valve of claim 1, wherein: and a rotary sealing ring is arranged between the valve rod and the valve body.
8. The composite seal top-up half ball valve of claim 1, wherein: the lower end of the valve body is provided with a rotating shaft, and the lower end of the valve core is arranged in the valve body through the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574313.2U CN219529883U (en) | 2023-03-22 | 2023-03-22 | Composite sealing upper-mounted hemispherical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574313.2U CN219529883U (en) | 2023-03-22 | 2023-03-22 | Composite sealing upper-mounted hemispherical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529883U true CN219529883U (en) | 2023-08-15 |
Family
ID=87631835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320574313.2U Active CN219529883U (en) | 2023-03-22 | 2023-03-22 | Composite sealing upper-mounted hemispherical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529883U (en) |
-
2023
- 2023-03-22 CN CN202320574313.2U patent/CN219529883U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201344269Y (en) | Wafer type butterfly valve | |
| CN219529883U (en) | Composite sealing upper-mounted hemispherical valve | |
| CN210423769U (en) | Plug valve for high-voltage high-frequency secondary occasion | |
| CN113757396A (en) | Offset type starting vector sealing valve | |
| CN206929387U (en) | A kind of check valve | |
| CN201159310Y (en) | Check valve | |
| CN212775693U (en) | Ball valve | |
| CN219888777U (en) | Eccentric ball valve of simple structure easy operation | |
| CN109854774A (en) | Three eccentricity seals c-type ball valve firmly | |
| CN213629005U (en) | Rigid sealing device for dome valve | |
| CN217874297U (en) | Self-sealing track ball valve | |
| CN219299988U (en) | Three-way right-angle valve for central heating | |
| CN216200650U (en) | Offset type starting vector sealing valve structure | |
| CN219639510U (en) | Full-sealed large-caliber ball valve | |
| CN219975433U (en) | Eccentric semi-ball valve core seat sealing structure | |
| CN218031542U (en) | Full-bore rubber sealing eccentric half-ball valve | |
| CN219975437U (en) | Ball valve with better sealing performance | |
| CN212429821U (en) | Top-mounted type hemisphere valve special for sludge | |
| CN219932981U (en) | Seawater-resistant butterfly valve | |
| CN220816625U (en) | Vacuum ball valve | |
| CN2325592Y (en) | Sealing type stop valve | |
| CN215720954U (en) | Inner lining core-shifting valve | |
| CN216200651U (en) | Telescopic offset type start vector sealing valve | |
| CN212203220U (en) | Pneumatic diaphragm valve | |
| CN215806349U (en) | Pneumatic reciprocating type opening ceramic disc valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |