CN212536739U - Stable high-pressure hard sealing ball valve - Google Patents
Stable high-pressure hard sealing ball valve Download PDFInfo
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- CN212536739U CN212536739U CN202020752865.4U CN202020752865U CN212536739U CN 212536739 U CN212536739 U CN 212536739U CN 202020752865 U CN202020752865 U CN 202020752865U CN 212536739 U CN212536739 U CN 212536739U
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Abstract
The utility model relates to a ball valve technical field, concretely relates to steady formula high pressure ball valve sealed firmly, its structure includes the casing, locates spheroid in the casing, the casing with leave the space interval between the spheroid, the pipeline has been seted up to the spheroid, import and export have been seted up to the casing, full latus rectum pipeline can with the import with export the intercommunication is in order to form the straight tube way, the spheroidal upper and lower distolateral cover respectively is equipped with the disk seat, the spheroid passes through the disk seat with the casing butt, the inside guide section that is equipped with of casing, the guide section with spheroidal side sliding connection, spheroidal upper and lower end is equipped with valve rod and lower valve rod respectively, it is connected with pneumatic actuator to go up the valve rod, the valve rod is connected down this ball valve has long service life's advantage.
Description
Technical Field
The utility model relates to a ball valve technical field, concretely relates to steady formula high pressure ball valve sealed firmly.
Background
The ball valve uses a ball as a valve of an opening and closing piece, and is a valve commonly used by industrial fluid media. Current ball valves rely primarily on a valve seat and valve stem to stabilize the valve body. Although the ball valve of today has a certain stability, because the ball valve needs to be operated frequently to open or close, the ball valve needs to be easily slipped, which causes the leakage of the ball valve or affects the flow control precision of the ball valve, is not beneficial to use, and affects the service life of the valve.
SUMMERY OF THE UTILITY MODEL
There is above-mentioned technical problem to prior art, the utility model provides a steady formula high pressure ball valve sealed firmly, this ball valve has long service life's advantage.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a steady formula high pressure ball valve sealed firmly, includes the casing, locates spheroid in the casing, the casing with leave the space interval between the spheroid, the pipeline has been seted up to the spheroid, import and export have been seted up to the casing, full latus rectum pipeline can with the import with export intercommunication is in order to form the straight tube way, spheroidal upper and lower distolateral cover is equipped with the disk seat respectively, the spheroid passes through the disk seat with the casing butt, the inside direction section that is equipped with of casing, the direction section with spheroidal side sliding connection, spheroidal upper and lower end is equipped with valve rod and lower valve rod respectively, it is connected with pneumatic actuator to go up the valve rod, the valve rod is connected down the casing.
The shell comprises a middle shell, a left shell and a right shell, and the left shell and the right shell are in threaded connection with the middle shell to form the shell.
The periphery of the ball body is provided with a guide groove extending along the curved surface of the ball body, and the guide groove penetrates through a channel of the ball valve.
The bottom surface of the guide groove is a smooth cambered surface, the outer end part of the guide section is a curved surface matched with the cambered surface of the guide groove, and the inner end part of the guide section is fixedly connected with the inner wall of the shell.
Wherein, the cross section of the inner end part of the guide section is a narrowed part body.
The valve seat comprises an upper valve cover abutted to the top of the ball body and a lower valve cover abutted to the bottom of the ball body, the inner side face of the valve cover is abutted to the ball body, the outer side face of the valve cover is abutted to the shell through a spring, and the spring abuts the valve cover to the ball body.
The upper valve cover is formed by matching an outer ring seat and an inner ring seat, wherein the outer ring seat is provided with a groove, the inner ring seat is provided with a convex edge, and the groove opening of the groove is spliced by the convex edge so as to detachably connect the outer ring seat with the inner ring seat.
And a plastic soft adhesive layer is arranged between the outer ring seat and the inner ring seat and is positioned above the convex edge and is propped against the outer ring seat.
The utility model has the advantages that:
the utility model discloses a direction section has been seted up at spheroidal side to the ball valve, and this direction section can further fix a position the ball valve, prevents the ball valve off normal, has improved the stability in use of ball valve.
Drawings
Fig. 1 is a schematic structural view of a stable high-pressure hard-seal ball valve of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a simplified schematic diagram of the guide section and the working state of the ball.
Reference numerals:
the shell body 1, the middle shell body 101, the left shell body 102 and the right shell body 103; a sphere 2; an inlet 3; an outlet 4; a valve seat 5; a guide section 6; an upper valve stem 7; a lower valve stem 8; a pneumatic actuator 9; a guide groove 10; a cambered surface 11; a curved surface 12; a narrowed portion 13; the upper valve cover 14, the outer ring seat 141, the inner ring seat 142, the groove 143, the convex edge 144 and the plastic soft glue layer 145; a lower valve cover 15; spring 16
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Examples
The smooth high-pressure hard-seal ball valve of the embodiment, as shown in fig. 1-3, comprises a housing 1, a ball 2 arranged in the housing 1, a gap interval is reserved between the shell 1 and the ball body 2, the ball body 2 is provided with a pipeline, the shell 1 is provided with an inlet 3 and an outlet 4, the full-bore pipeline can be communicated with the inlet 3 and the outlet 4 to form a straight pipeline, the upper end side and the lower end side of the ball body 2 are respectively sleeved with a valve seat 5, the ball body 2 is abutted with the shell 1 through the valve seat 5, a guide section 6 is arranged in the shell 1, the guide section 6 is connected with the side surface of the ball body 2 in a sliding way, the guide section 6 can better support the ball body 2, the upper end and the lower end of the ball body 2 are respectively provided with an upper valve rod 7 and a lower valve rod 8, the upper valve rod 7 is connected with a pneumatic actuator 9, and the lower valve rod 8 is connected with the shell 1.
In this embodiment, the housing 1 includes a middle housing 101, a left housing 102 and a middle housing 103, and the left and middle housings 103 are screwed with the middle housing 101 to form the housing 1, so as to facilitate quick assembly of the housing 1 and installation of the ball 2.
In this embodiment, as shown in fig. 3, a guide groove 10 extending along a curved surface 12 of the ball 2 is formed on the periphery of the ball, and the guide groove 10 penetrates through a passage of the ball valve, so that the guide section 6 can be positioned.
In this embodiment, the bottom surface of the guide groove 10 is a smooth arc surface 11, the outer end of the guide section 6 is a curved surface 12 matched with the arc surface 11 of the guide groove 10, and the inner end is fixedly connected with the inner wall of the housing 1, so as to reduce friction.
In this embodiment, the inner end of the guide section 6 has a narrowed section 13 in cross section to reduce weight.
In this embodiment, the valve seat 5 includes an upper valve cover 14 abutting against the top of the ball 2 and a lower valve cover 15 abutting against the bottom of the ball, an inner side surface of the valve cover abuts against the ball 2, an outer side surface of the valve cover abuts against the housing 1 by using a spring 16, and the spring 16 abuts against the valve cover against the ball 2, so that the valve cover has good elasticity.
In this embodiment, the upper valve cover 14 is formed by matching an outer ring seat 141 and an inner ring seat 142, wherein the outer ring seat 141 is provided with a groove 143, the inner ring seat 142 is provided with a convex edge 144, and a notch of the groove 143 is inserted by the convex edge 144 so as to detachably connect the outer ring seat 141 and the inner ring seat 142, so that the upper valve cover 14 located above can be more stable to prevent the upper valve cover 14 from being separated.
In this embodiment, a plastic soft adhesive layer 145 is disposed between the outer ring seat 141 and the inner ring seat 142, and the plastic soft adhesive layer 145 is located above the protruding edge 144 and is abutted by the outer ring seat 141.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a steady formula high pressure ball valve sealed firmly which characterized by: including the casing, locate spheroid in the casing, the casing with leave the space interval between the spheroid, the pipeline has been seted up to the spheroid, import and export have been seted up to the casing, full latus rectum the pipeline can with the import with export intercommunication is in order to form the straight tube way, spheroid upper and lower distolateral cover respectively is equipped with the disk seat, the spheroid passes through the disk seat with the casing butt, the inside guide section that is equipped with of casing, the guide section with spheroidal side sliding connection, spheroidal upper and lower end is equipped with valve rod and lower valve rod respectively, it is connected with pneumatic actuator to go up the valve rod, lower valve rod is connected the casing.
2. A smooth high pressure hard seal ball valve as defined in claim 1 wherein: the shell comprises a middle shell, a left shell and a right shell, and the left shell and the right shell are in threaded connection with the middle shell to form the shell.
3. A smooth high pressure hard seal ball valve as defined in claim 1 wherein: the periphery of the ball body is provided with a guide groove extending along the curved surface of the ball body, and the guide groove penetrates through the passage of the ball valve.
4. A smooth high pressure hard seal ball valve as defined in claim 3 wherein: the bottom surface of the guide groove is a smooth cambered surface, the outer end part of the guide section is a curved surface matched with the cambered surface of the guide groove, and the inner end part of the guide section is fixedly connected with the inner wall of the shell.
5. A smooth high pressure hard seal ball valve as defined in claim 3 wherein: the cross section of the inner end part of the guide section is a narrowed part body.
6. A smooth high pressure hard seal ball valve as defined in claim 1 wherein: the valve seat comprises an upper valve cover abutted to the top of the ball body and a lower valve cover abutted to the bottom of the ball body, the inner side surface of the valve cover is abutted to the ball body, the outer side surface of the valve cover is abutted to the shell through a spring, and the spring abuts the valve cover to the ball body.
7. A smooth high pressure hard seal ball valve as defined in claim 6 wherein: the upper valve cover is formed by matching an outer ring seat and an inner ring seat, wherein the outer ring seat is provided with a groove, the inner ring seat is provided with a convex edge, and the notch of the groove is spliced by the convex edge so as to detachably connect the outer ring seat with the inner ring seat.
8. A smooth high pressure hard seal ball valve as defined in claim 7 wherein: and a plastic soft adhesive layer is arranged between the outer ring seat and the inner ring seat and is positioned above the convex edge and is propped against the outer ring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752865.4U CN212536739U (en) | 2020-05-09 | 2020-05-09 | Stable high-pressure hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752865.4U CN212536739U (en) | 2020-05-09 | 2020-05-09 | Stable high-pressure hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536739U true CN212536739U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752865.4U Active CN212536739U (en) | 2020-05-09 | 2020-05-09 | Stable high-pressure hard sealing ball valve |
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| CN (1) | CN212536739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007394A (en) * | 2021-02-18 | 2021-06-22 | 江苏庆海石油机械有限公司 | Self sealss ball valve convenient to change |
-
2020
- 2020-05-09 CN CN202020752865.4U patent/CN212536739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007394A (en) * | 2021-02-18 | 2021-06-22 | 江苏庆海石油机械有限公司 | Self sealss ball valve convenient to change |
| CN113007394B (en) * | 2021-02-18 | 2021-11-02 | 江苏庆海石油机械有限公司 | Self sealss ball valve convenient to change |
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