CN212004357U - Hard seal floating ball valve with medium capable of flowing in two directions - Google Patents
Hard seal floating ball valve with medium capable of flowing in two directions Download PDFInfo
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- CN212004357U CN212004357U CN202020533456.5U CN202020533456U CN212004357U CN 212004357 U CN212004357 U CN 212004357U CN 202020533456 U CN202020533456 U CN 202020533456U CN 212004357 U CN212004357 U CN 212004357U
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Abstract
The utility model relates to a ball valve technical field that floats sealed firmly especially relates to a but medium bidirectional flow's ball valve that floats sealed firmly. Comprises a left auxiliary valve body, a right auxiliary valve body, a ball body, a valve rod, a valve seat and a disc spring; the end part of the left auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the left auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on one side of the ball body through the disc spring; the end part of the right auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the right auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on the other side of the ball body through the disc spring; the valve rod passes through the right auxiliary valve body and is connected with the ball body, and the left auxiliary valve body is connected with the right auxiliary valve body through a bolt. The ball valve has the advantages of simple structure, firmness, durability, convenience in installation and maintenance, no requirement on the flow direction of a medium, strong universality and capability of being used in high-temperature occasions by changing the structure of the valve seat.
Description
Technical Field
The utility model relates to a ball valve technical field that floats sealed firmly especially relates to a but medium bidirectional flow's ball valve that floats sealed firmly.
Background
The floating hard sealing ball valve has simple structure and good sealing performance. Can be used in high temperature occasions, has fewer parts than a fixed ball valve and is easy to manufacture. However, the existing hard seal floating ball valve is in a unilateral seal structure, a medium can only enter from the side with the disc spring, and the ball valve has requirements on the flow direction of the medium, so that the application range of the ball valve is limited, and the ball valve is inconvenient to install and maintain and poor in compatibility.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a medium can two-way flow's ball valve that floats is sealed firmly. The ball valve has the advantages of simple structure, firmness, durability, convenience in installation and maintenance, no requirement on the flow direction of a medium, strong universality and capability of being used in high-temperature occasions by changing the structure of the valve seat.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hard seal floating ball valve with media capable of flowing bidirectionally comprises a left auxiliary valve body, a right auxiliary valve body, a ball body, a valve rod, a valve seat and a disc spring; the end part of the left auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the left auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on one side of the ball body through the disc spring; the end part of the right auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the right auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on the other side of the ball body through the disc spring; the valve rod passes through the right auxiliary valve body and is connected with the ball body, and the left auxiliary valve body is connected with the right auxiliary valve body through a bolt.
The sealing member is an O-shaped sealing ring, the valve seat is provided with a valve seat disc spring groove and a sealing groove, the disc spring is installed in the valve seat disc spring groove, and the O-shaped sealing ring is installed in the sealing groove.
The sealing member includes graphite ring and gland, the disk seat is the high temperature disk seat, and the high temperature disk seat is equipped with the graphite cuvette, and graphite and gland are installed in the graphite cuvette in proper order, and the gland is equipped with gland dish spring recess, and the dish spring is installed in gland dish spring recess.
The right auxiliary valve body is provided with a valve rod hole and a packing groove, the valve rod is installed in the valve rod hole, and the packing gland are sequentially installed in the packing groove.
And the end part of the right auxiliary valve body is provided with a sealing groove, and the end parts of the left auxiliary valve body and the right auxiliary valve body are connected in a sealing way through a sealing gasket.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the structure is retrencied, and is durable, and the installation is maintained conveniently. The left auxiliary valve body and the right auxiliary valve body are internally provided with valve seats and disc springs, the valve seats are tightly pressed on two sides of the ball body by the disc springs, and the two sides can be sealed independently. Meanwhile, the ball valve can be used in high-temperature occasions by changing the structure of the valve seat. The valve seat is simple in structure, short in length and suitable for the condition that the space of the valve body is limited, the ball valve can be changed into a soft sealing ball valve through replacing the valve seat, and the universality is high.
Drawings
FIG. 1 is a schematic sectional view of embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view of the structure at the valve seat in embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of embodiment 2 of the present invention;
fig. 4 is a schematic cross-sectional view of the structure at the valve seat of embodiment 2 of the present invention.
In the figure: 1-left auxiliary valve body 2-sphere 3-sealing gasket 4-packing 5-packing gland 6-valve rod 7-spring 8-steel ball 9-right auxiliary valve body 10-O-shaped ring 11-valve seat 12-disc spring 13-stud 14-nut 15-graphite ring 16-high temperature valve seat 17-gland.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
example 1:
as shown in figures 1 and 2, a hard seal floating ball valve with a medium capable of flowing in two directions comprises a left auxiliary valve body 1, a ball body 2, a sealing gasket 3, a packing 4, a packing gland 5, a valve rod 6, a spring 7, a steel ball 8, a right auxiliary valve body 9, an O-shaped ring 10, a valve seat 11, a disc spring 12, a stud 13 and a nut 14.
The end part of the left auxiliary valve body 1 is provided with a groove, the disc spring 12 and the valve seat 11 are sequentially arranged in the groove, and the valve seat 11 and the left auxiliary valve body 1 are sealed through a sealing element. The sealing member is O type sealing washer 10, and disk seat dish spring recess and seal groove are equipped with to disk seat 11, and dish spring 12 installs in the disk seat dish spring recess, and O type sealing washer 10 installs in the seal groove. The valve seat 11 is pressed against the left side of the ball 2 by a disc spring 12.
The end part of the right auxiliary valve body 9 is provided with a groove, the disc spring 12 and the valve seat 11 are sequentially arranged in the groove, and the valve seat 11 and the right auxiliary valve body 9 are sealed through a sealing element. The sealing member is O type sealing washer 10, and disk seat dish spring recess and seal groove are equipped with to disk seat 11, and dish spring 12 installs in the disk seat dish spring recess, and O type sealing washer 10 installs in the seal groove. The valve seat 11 is pressed against the right side of the ball 2 by a disc spring 12.
The right auxiliary valve body 9 is provided with a valve rod hole and a packing groove, the valve rod 6 is installed in the valve rod hole, and the packing 4 and the packing gland 5 are sequentially installed in the packing groove. The valve rod 6 passes through the right auxiliary valve body 9 and is connected with the ball body 2, the valve rod 6 and the right auxiliary valve body 9 are connected with the steel ball 8 through the spring 7 in a contact mode, and the valve rod 6 and the ball body 2 are connected with the steel ball 8 through the spring 7 in a contact mode.
The left auxiliary valve body 1 and the right auxiliary valve body 9 are connected with a nut 14 through a double-end stud 13. The end part of the right auxiliary valve body 9 is provided with a sealing groove, and the left auxiliary valve body is connected with the right auxiliary valve body in a sealing way through a sealing gasket 3.
Example 2:
as shown in figures 3 and 4, the hard seal floating high-temperature ball valve with the medium capable of flowing bidirectionally comprises a left auxiliary valve body 1, a ball body 2, a sealing gasket 3, a packing 4, a packing gland 5, a valve rod 6, a spring 7, a steel ball 8, a right auxiliary valve body 9, a disc spring 12, a stud 13, a nut 14, a graphite ring 15, a high-temperature valve seat 16 and a gland 17.
The end part of the left auxiliary valve body 1 is provided with a groove, the disc spring 12 and the high-temperature valve seat 16 are sequentially arranged in the groove, and the high-temperature valve seat 16 and the left auxiliary valve body 1 are sealed through a sealing element. The sealing member includes graphite ring 15 and gland 17, and high temperature valve seat 16 is equipped with the graphite groove, and graphite ring 15 and gland 17 are installed in the graphite groove in proper order, and gland 17 is equipped with gland dish spring recess, and dish spring 12 is installed in gland dish spring recess. The high temperature valve seat 16 is pressed against the left side of the ball 2 by the disc spring 12.
The end part of the right auxiliary valve body 9 is provided with a groove, the disc spring 12 and the high-temperature valve seat 16 are sequentially arranged in the groove, and the high-temperature valve seat 16 and the right auxiliary valve body 9 are sealed through a sealing element. The sealing member includes graphite ring 15 and gland 17, and high temperature valve seat 16 is equipped with the graphite groove, and graphite ring 15 and gland 17 are installed in the graphite groove in proper order, and gland 17 is equipped with gland dish spring recess, and dish spring 12 is installed in gland dish spring recess. The hot seat 16 is pressed against the right side of the ball 2 by the disc spring 12.
The right auxiliary valve body 9 is provided with a valve rod hole and a packing groove, the valve rod 6 is installed in the valve rod hole, and the packing 4 and the packing gland 5 are sequentially installed in the packing groove. The valve rod 6 passes through the right auxiliary valve body 9 and is connected with the ball body 2, the valve rod 6 and the right auxiliary valve body 9 are connected with the steel ball 8 through the spring 7 in a contact mode, and the valve rod 6 and the ball body 2 are connected with the steel ball 8 through the spring 7 in a contact mode.
The left auxiliary valve body 1 and the right auxiliary valve body 9 are connected with a nut 14 through a double-end stud 13. The end part of the right auxiliary valve body 9 is provided with a sealing groove, and the left auxiliary valve body is connected with the right auxiliary valve body in a sealing way through a sealing gasket 3.
The utility model discloses the structure is retrencied, and is durable, and the installation is maintained conveniently. The left auxiliary valve body 1 and the right auxiliary valve body 9 are internally provided with valve seats and disc springs 12, the valve seats are tightly pressed on two sides of the ball body 2 by the disc springs 12, and the two sides can be sealed independently. The valve seat is simple in structure, short in length and suitable for the condition that the space of the valve body is limited, the ball valve can be changed into a soft sealing ball valve through replacing the valve seat, and the universality is high.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. A kind of medium can flow the ball valve of floating of hard seal bidirectionally, characterized by: comprises a left auxiliary valve body, a right auxiliary valve body, a ball body, a valve rod, a valve seat and a disc spring; the end part of the left auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the left auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on one side of the ball body through the disc spring; the end part of the right auxiliary valve body is provided with a groove, the disc spring and the valve seat are sequentially arranged in the groove, the valve seat and the right auxiliary valve body are sealed through a sealing element, and the valve seat is tightly pressed on the other side of the ball body through the disc spring; the valve rod passes through the right auxiliary valve body and is connected with the ball body, and the left auxiliary valve body is connected with the right auxiliary valve body through a bolt.
2. The hard-seal floating ball valve capable of realizing bidirectional medium flow according to claim 1, wherein: the sealing member is an O-shaped sealing ring, the valve seat is provided with a valve seat disc spring groove and a sealing groove, the disc spring is installed in the valve seat disc spring groove, and the O-shaped sealing ring is installed in the sealing groove.
3. The hard-seal floating ball valve capable of realizing bidirectional medium flow according to claim 1, wherein: the sealing member includes graphite ring and gland, the disk seat is the high temperature disk seat, and the high temperature disk seat is equipped with the graphite cuvette, and graphite and gland are installed in the graphite cuvette in proper order, and the gland is equipped with gland dish spring recess, and the dish spring is installed in gland dish spring recess.
4. The hard-seal floating ball valve capable of realizing bidirectional medium flow according to claim 1, wherein: the right auxiliary valve body is provided with a valve rod hole and a packing groove, the valve rod is installed in the valve rod hole, and the packing gland are sequentially installed in the packing groove.
5. The hard-seal floating ball valve capable of realizing bidirectional medium flow according to claim 1, wherein: and the end part of the right auxiliary valve body is provided with a sealing groove, and the end parts of the left auxiliary valve body and the right auxiliary valve body are connected in a sealing way through a sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533456.5U CN212004357U (en) | 2020-04-13 | 2020-04-13 | Hard seal floating ball valve with medium capable of flowing in two directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533456.5U CN212004357U (en) | 2020-04-13 | 2020-04-13 | Hard seal floating ball valve with medium capable of flowing in two directions |
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| Publication Number | Publication Date |
|---|---|
| CN212004357U true CN212004357U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020533456.5U Active CN212004357U (en) | 2020-04-13 | 2020-04-13 | Hard seal floating ball valve with medium capable of flowing in two directions |
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| Country | Link |
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| CN (1) | CN212004357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565982A (en) * | 2021-07-31 | 2021-10-29 | 浙江祺隆阀门有限公司 | High-sealing ball valve for pulverized coal |
-
2020
- 2020-04-13 CN CN202020533456.5U patent/CN212004357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565982A (en) * | 2021-07-31 | 2021-10-29 | 浙江祺隆阀门有限公司 | High-sealing ball valve for pulverized coal |
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