CN203421204U - A sealed regulating ball valve - Google Patents
A sealed regulating ball valve Download PDFInfo
- Publication number
- CN203421204U CN203421204U CN201320467011.1U CN201320467011U CN203421204U CN 203421204 U CN203421204 U CN 203421204U CN 201320467011 U CN201320467011 U CN 201320467011U CN 203421204 U CN203421204 U CN 203421204U
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- valve
- valve rod
- valve body
- sealed
- face
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Abstract
The utility model discloses a sealed ball valve of adjusting, including valve body and the valve gap of setting at the valve body left end, be equipped with sealed the pad between valve body and the valve gap, sealed the intraductal spherical case that is equipped with that fills up, spherical case is connected with actuating mechanism through the valve rod, wherein, the valve rod passes the valve body upside, be equipped with the sealing washer of cover on the valve rod between valve rod and the valve body, sealing washer upper portion is equipped with the pressure cover of cover on the valve rod, install the nut that compresses tightly the pressure cover on the valve rod. The utility model discloses practical simple structure, novel leakproofness is good, can prolong the life of valve.
Description
Technical Field
The utility model relates to a ball valve especially relates to a sealed ball valve of adjusting.
Background
The adjusting ball valve is a commonly used valve, which is widely applied to a pipeline system, needs to be opened and closed frequently, can control the flow and the flow direction of a fluid medium, the sealing effect of the adjusting ball valve becomes the key point of the valve, the existing adjusting ball valve is generally sealed by a sealing ring, the sealing performance is reduced after the adjusting ball valve is used for a period of time, and the low sealing performance is caused, so that the fluid leakage is caused.
Chinese patent CN201220148982.5 discloses a pneumatic high pressure regulating type ball valve convenient to adjust, including packing clamp plate, packing pressure cover, valve rod, spheroid, valve gap and valve body, the valve body inner chamber install a spheroid, be connected valve body and spheroid through a valve rod, install a packing clamp plate on the valve rod, with the double-screw bolt with packing clamp plate and valve body connection, threaded connection has the nut on the double-screw bolt, packing clamp plate compresses tightly packing pressure cover, has filler, well filler, lower filler in proper order under the packing pressure cover, is provided with a sealing washer on the spheroid, be equipped with a well flange gasket between valve gap and the valve body, with nut with valve gap and valve body fixed connection. Although this technique adopts the nut to compress tightly the mode and makes the packing seal valve body to reach sealedly, the nut setting is in the valve rod outside, and the nut can produce when compressing tightly that the packing compresses tightly disproportionately, thereby leads to sealed inhomogeneous, can produce and reveal.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the above problem, a simple structure, practicality are strong, sealed effectual sealed ball valve of adjusting is provided.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a sealed ball valve of adjusting, includes the valve body and sets up the valve gap at the valve body left end, be equipped with sealed the pad between valve body and the valve gap, sealed the inboard spherical case that is equipped with of pad, spherical case is connected with actuating mechanism through the valve rod, wherein, the valve rod passes the valve body upside, be equipped with the sealing washer of cover on the valve rod between valve rod and the valve body, sealing washer upper portion is equipped with the pressure cover of cover on the valve rod, install the nut that compresses tightly the pressure cover on the valve rod.
Further, the lower end face of the sealing ring is in contact with a valve rod shoulder face, the valve rod shoulder face is conical, the upper end face of the sealing ring is in contact with the lower end face of the pressing sleeve, and the lower end face of the pressing sleeve is conical.
Furthermore, the pressing sleeve is in clearance fit with the valve rod.
Furthermore, a groove is formed in the left end face of the valve body, and a rubber sealing ring is installed in the groove.
Furthermore, the spherical valve core can rotate relative to the sealing gasket, a groove is formed in the spherical valve core, and the groove is connected with one end of the valve rod.
Further, the actuating mechanism is a hydraulic cylinder or a pneumatic cylinder or an electric motor.
The utility model has the advantages that: the utility model discloses compare with current valve, when the sealing washer wear back or when the fluid leaked, adjustable nut made the pressure cover compress tightly the sealing washer, made the sealing washer leakproofness better, can prolong the life of valve.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application, illustrating embodiments of the invention and description thereof for the purpose of explanation and are not intended to constitute an undue limitation on the invention. In the drawings:
FIG. l is a schematic view of a cross-sectional structure of the seal adjusting ball valve of the present invention;
FIG. 2 is a schematic structural view of a valve stem of the seal adjusting ball valve of the present invention; and the number of the first and second groups,
fig. 3 is a schematic view of the sectional structure of the pressure sleeve of the seal adjusting ball valve of the present invention. Wherein,
reference numerals:
the valve comprises an actuating mechanism 1, a nut 2, a valve rod 3, a sealing ring 4, a valve body 5, a first opening 6, a sealing gasket 7, a spherical valve core 8, a through hole 9, a rubber sealing ring 10, a second opening 11, a valve cover 12 and a pressing sleeve 13.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 to 3, a seal adjusting ball valve shown in fig. 1, 2 and 3 includes an actuator 1, a valve rod 3, a valve body 5, a spherical valve core 8 and a valve cover 12, wherein the spherical valve core 8 is disposed in the valve body 5, the spherical valve core 8 is provided with a through hole 9, the actuator 1 is connected to the valve body 5 through a screw, the valve body 5 is provided with a first opening 6, the valve cover 12 is connected to the valve body 5 through a screw, the valve cover 12 is provided with a second opening 11, a seal ring 4 is disposed between the valve rod 3 and the valve body 5, a pressing sleeve 13 is disposed on the upper portion of the seal ring 4, the seal ring 4 is tightly sleeved on a conical surface of the valve rod 3, a nut 2 for pressing the pressing sleeve 13 is mounted on the valve rod 3, the spherical valve core 8 and the valve body 5 are provided with a seal gasket 7, the spherical valve core 8 can rotate relative to the seal gasket 7, the other end of the valve body penetrates through the valve body 5 to be connected with the spherical valve core 8, a rubber sealing ring 10 is arranged between the valve cover 12 and the left end face of the valve body 5, the pressing sleeve 13 is in clearance fit with the valve rod 3, one end of the pressing sleeve 13 is conical, one end of the valve body 5 is of a flange structure, one end of the valve cover 12 is of a flange structure, and the executing mechanism 1 is a hydraulic cylinder or a motor.
When the valve is used, the actuating mechanism 1 drives the spherical valve core 8 to rotate relative to the sealing gasket 7 through the valve rod 3, so that the opening and closing degree of the through hole 9 in the spherical valve core 8 can be adjusted, the flow rate and the flow direction of a fluid medium in a pipeline system are controlled, and the pipeline system is opened and closed. When the pipe system is opened, the through hole 9 can be communicated with the first opening 6 and the second opening 11, and fluid medium can flow through the sealing regulation ball valve. When the sealing ring 4 is worn or fluid leaks, the nut 2 can be adjusted to enable the pressing sleeve 13 to tightly press the sealing ring 4, so that the sealing ring 4 is tightly contacted with the valve body 5 and the valve rod 3, the tight sealing is achieved, the sealing performance is improved, and the service life of the valve is prolonged.
The foregoing is only a preferred embodiment of the present invention, which includes but is not limited to the present example, and the present invention can be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a sealed ball valve of adjusting, includes the valve body and sets up the valve gap at the valve body left end, be equipped with sealed the pad between valve body and the valve gap, sealed the pad in be equipped with spherical case, spherical case is connected with actuating mechanism through the valve rod, wherein, the valve rod passes valve body upside, its characterized in that: a sealing ring sleeved on the valve rod is arranged between the valve rod and the valve body, a pressing sleeve sleeved on the valve rod is arranged on the upper portion of the sealing ring, and a nut for pressing the pressing sleeve is mounted on the valve rod.
2. The seal-regulated ball valve of claim 1, wherein: the lower end face of the sealing ring is in contact with the shoulder face of the valve rod, the shoulder face of the valve rod is conical, the upper end face of the sealing ring is in contact with the lower end face of the pressing sleeve, and the lower end face of the pressing sleeve is conical.
3. The seal-regulated ball valve of claim 1 or 2, wherein: the pressing sleeve is in clearance fit with the valve rod.
4. The seal-regulated ball valve of claim 1, wherein: the valve body left end face is equipped with the recess, installs rubber seal in the recess.
5. The seal-regulated ball valve of claim 1, wherein: the spherical valve core can rotate relative to the sealing gasket, a groove is formed in the spherical valve core, and the groove is connected with one end of the valve rod.
6. The seal-regulated ball valve of claim 1, wherein: the actuating mechanism is a hydraulic cylinder or a pneumatic cylinder or an electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467011.1U CN203421204U (en) | 2013-07-31 | 2013-07-31 | A sealed regulating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467011.1U CN203421204U (en) | 2013-07-31 | 2013-07-31 | A sealed regulating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421204U true CN203421204U (en) | 2014-02-05 |
Family
ID=50020303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467011.1U Expired - Fee Related CN203421204U (en) | 2013-07-31 | 2013-07-31 | A sealed regulating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506005A (en) * | 2018-12-05 | 2019-03-22 | 中国科学院金属研究所 | A kind of manual vacuum ball valve for being easy to take one's bearings and clean |
-
2013
- 2013-07-31 CN CN201320467011.1U patent/CN203421204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506005A (en) * | 2018-12-05 | 2019-03-22 | 中国科学院金属研究所 | A kind of manual vacuum ball valve for being easy to take one's bearings and clean |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20190731 |