CN217440838U - Low-temperature vertical ball valve - Google Patents
Low-temperature vertical ball valve Download PDFInfo
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- CN217440838U CN217440838U CN202221212675.9U CN202221212675U CN217440838U CN 217440838 U CN217440838 U CN 217440838U CN 202221212675 U CN202221212675 U CN 202221212675U CN 217440838 U CN217440838 U CN 217440838U
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Abstract
The utility model discloses a low temperature founds dress ball valve, including valve body, valve gap, spheroid, disk seat and valve rod, the spheroid is rotatable to be located in the valve body, and the valve rod is connected to spheroidal upper end, and spheroidal both sides, its characterized in that are located to the disk seat: the rear side of the valve seat is provided with a supporting seat, the valve body is provided with a supporting seat hole in which the supporting seat is axially movably arranged, the outer circle surface of the supporting seat is provided with an outer ball groove, the inner hole surface of the supporting seat hole is provided with an inner ball groove, a steel ball is embedded in the inner ball groove and the outer ball groove, the steel ball enables the supporting seat to be axially limited in the supporting seat hole and enables the supporting seat to circumferentially roll in the supporting seat hole with low friction, the valve body is provided with a steel ball introducing hole for introducing the outer steel ball into the inner ball groove and the outer ball groove, and an elastic piece is arranged between the supporting seat and the valve seat to enable the valve seat to be in close contact with the surface of the ball. The utility model is suitable for a low temperature work occasion can guarantee better that sealed and improve life.
Description
Technical Field
The utility model relates to an improved ball valve.
Background
The ball valve is widely applied to cutting off and circulating of pipeline conveying media in industries such as petroleum, chemical engineering, medicine, textile and the like. The vertical ball valve in the prior art comprises a valve body, a valve cover, a ball body, a valve seat and a valve rod, wherein the ball body is rotatably arranged in the valve body, the upper end of the ball body is connected with the valve rod, the valve seat is arranged at two sides of the ball body, the force of tight contact between the valve seat and the surface of the ball body is generally adjusted by rotating a fine thread arranged in an inner hole or an outer circle of the valve seat, but under the influence of low temperature, the fine thread is not easy to rotate and is easy to damage, so that the tight contact force between the valve seat and the surface of the ball body is not enough, the contact is not tight and the service life is influenced; in addition, the valve seat is pushed by the spring to make the valve seat closely contact with the surface of the ball body for sealing, so that the ball body can be installed in the valve body from the upper direction, the action stroke of pushing the valve seat by the spring is often larger, the length of the spring is longer, and the close contact force between the valve seat and the surface of the ball body is difficult to control; the most important point is that the close contact position of the valve seat and the surface of the ball body cannot be changed when the ball valve works due to the rotation adjustment of the fine thread and the adjustment pushed by the spring, and the close contact local abrasion of the valve seat and the surface of the ball body is too fast due to factors such as installation errors and the like, so that the service life is influenced.
Disclosure of Invention
The utility model aims at providing a low temperature vertical ball valve suitable for low temperature work occasion, can guarantee better that sealed and improve life to exist to prior art not enough.
The utility model adopts the technical proposal that:
low temperature founds dress ball valve, including valve body, valve gap, spheroid, disk seat and valve rod, the spheroid is rotatable to be located in the valve body, and the valve rod is connected to spheroidal upper end, and spheroidal both sides, its characterized in that are located to the disk seat: the rear side of the valve seat is provided with a supporting seat, the valve body is provided with a supporting seat hole in which the supporting seat is axially movably arranged, the outer circle surface of the supporting seat is provided with an outer ball groove, the inner hole surface of the supporting seat hole is provided with an inner ball groove, a steel ball is embedded in the inner ball groove and the outer ball groove, the steel ball enables the supporting seat to be axially limited in the supporting seat hole and enables the supporting seat to circumferentially roll in the supporting seat hole with low friction, the valve body is provided with a steel ball introducing hole for introducing the outer steel ball into the inner ball groove and the outer ball groove, and an elastic piece is arranged between the supporting seat and the valve seat to enable the valve seat to be in close contact with the surface of the ball.
The low-temperature vertical ball valve adopting the technical scheme has the advantages that firstly, the fine thread rotating adjustment setting of the valve seat is omitted, the low-temperature vertical ball valve can be better suitable for low-temperature working occasions, secondly, the action stroke of pushing the valve seat by the spring can be very small through the free movement of the supporting seat, and the valve seat can roll along with the supporting seat in a low-friction circumference when the ball valve works, so that the close contact position of the valve seat and the surface of a ball body can be self-adaptively adjusted along with the abrasion of the ball body, the phenomenon that the close contact local abrasion of the valve seat and the surface of the ball body is too fast due to factors such as installation errors is eliminated, and the sealing can be better guaranteed and the service life can be prolonged.
Preferably, the rear half part of the valve seat is provided with a reducing section which is positioned in the supporting seat hole, and the excircle of the reducing section is provided with an energy storage sealing ring.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is an enlarged view of the lower half of figure 1,
figure 3 is a side view of figure 2,
fig. 4 is an enlarged view of a portion I of fig. 2.
Detailed Description
As shown in the figure, the low-temperature vertical ball valve of the utility model comprises a valve body 4, a valve cover 5, a ball body 1, a valve seat 2 and a valve rod 6, wherein the ball body 1 is rotatably arranged in the valve body 4, the upper end of the ball body 1 is connected with the valve rod 6, the valve seat 2 is arranged at two sides of the ball body 1, the rear side of the valve seat 2 is provided with a supporting seat 3, the valve body 4 is provided with a supporting seat hole 11 for the supporting seat 3 to be axially movably arranged therein, the outer round surface of the supporting seat 3 is provided with an outer ball groove 32, the inner hole surface of the supporting seat hole 11 is provided with an inner ball groove 41, a steel ball 7 is embedded in the inner ball groove and the outer ball groove, the steel ball 7 enables the supporting seat 3 to be axially limited in the supporting seat hole 11 and enables the supporting seat 3 to carry out low-friction circumferential rolling in the supporting seat hole 11, the valve body 4 is provided with a steel ball introducing hole 8 for introducing an outer steel ball into the inner ball groove and the outer ball groove, the opening of the steel ball introducing hole 8 is blocked by a plug 9, a spring 12 is arranged between the supporting seat 3 and the valve seat 2 to be tightly contacted with the surface of the ball 1, the rear half part of the valve seat 2 is provided with a reducing section which is positioned in the supporting seat hole 11, and the excircle of the reducing section is provided with an energy storage sealing ring 10. The inner hole of the valve seat 2 is provided with an outer ring-pulling groove 21, the outer ring-pulling groove 21 is used for pulling the valve seat 2 to be far away from the ball body 1 so that the ball body 1 can be placed in the middle of the valve body 4, the inner hole of the supporting seat 3 is provided with an inner ring-pulling groove 31, and the inner ring-pulling groove 31 is used for pulling the supporting seat 3 to be close to the ball body 1 so that the steel ball 7 can be pressed into the inner ball groove and the outer ball groove by a tool.
The low-temperature vertical ball valve is installed and assembled in the following way: the bearing seat and the valve seat are placed in a bearing hole of a valve body, firstly, a pull rod is used for buckling an outer pull ring groove of an inner hole of the valve seat through a flow passage hole by using a telescopic pressing plate, the valve seats at two sides are pulled outwards to enable the valve seats at two sides to be far away from each other, then, a ball body is placed in the valve body, then, the pull rod is used for buckling an inner pull ring groove of the inner hole of the bearing seat through a diagonal flow passage hole by using the telescopic pressing plate, the bearing seat is pulled to enable an inner ball groove and an outer ball groove to be aligned, then, required steel balls are pressed in through a steel ball introducing hole to enable the steel balls to enter the inner ball groove and the outer ball groove, then, an opening of the steel ball introducing hole is plugged by using a plug, and then, the assembling of other parts is carried out, and the assembling of the low-temperature vertical ball valve can be completed.
Claims (2)
1. Low temperature founds dress ball valve, including valve body, valve gap, spheroid, disk seat and valve rod, the spheroid is rotatable to be located in the valve body, and the valve rod is connected to spheroidal upper end, and spheroidal both sides, its characterized in that are located to the disk seat: the rear side of the valve seat is provided with a supporting seat, the valve body is provided with a supporting seat hole in which the supporting seat is axially movably arranged, the outer circle surface of the supporting seat is provided with an outer ball groove, the inner hole surface of the supporting seat hole is provided with an inner ball groove, a steel ball is embedded in the inner ball groove and the outer ball groove, the steel ball enables the supporting seat to be axially limited in the supporting seat hole and enables the supporting seat to circumferentially roll in the supporting seat hole with low friction, the valve body is provided with a steel ball introducing hole for introducing the outer steel ball into the inner ball groove and the outer ball groove, and an elastic piece is arranged between the supporting seat and the valve seat to enable the valve seat to be in close contact with the surface of the ball.
2. The cryogenic vertically-mounted ball valve of claim 1, wherein: the rear half part of the valve seat is provided with a reducing section which is positioned in the hole of the supporting seat, and the excircle of the reducing section is provided with an energy storage sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221212675.9U CN217440838U (en) | 2022-05-20 | 2022-05-20 | Low-temperature vertical ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221212675.9U CN217440838U (en) | 2022-05-20 | 2022-05-20 | Low-temperature vertical ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440838U true CN217440838U (en) | 2022-09-16 |
Family
ID=83221185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221212675.9U Active CN217440838U (en) | 2022-05-20 | 2022-05-20 | Low-temperature vertical ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440838U (en) |
-
2022
- 2022-05-20 CN CN202221212675.9U patent/CN217440838U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee after: Kairuite Valve Group Co.,Ltd. Address before: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee before: KAIRUITE VALVE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |