CN204083316U - Self-compensation sealed controls ball valve - Google Patents
Self-compensation sealed controls ball valve Download PDFInfo
- Publication number
- CN204083316U CN204083316U CN201420157742.0U CN201420157742U CN204083316U CN 204083316 U CN204083316 U CN 204083316U CN 201420157742 U CN201420157742 U CN 201420157742U CN 204083316 U CN204083316 U CN 204083316U
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- China
- Prior art keywords
- sealing seat
- spool
- valve body
- valve
- self
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Abstract
A kind of self-compensation sealed controls ball valve, comprise final controlling element, valve rod, spool, valve body and lower shaft, spool bottom is located on valve body rotationally by lower shaft, spool top is connected with valve rod, wherein, sealing seat is provided with in valve body, import and the outlet of valve body are respectively provided with a sealing seat with spool joint, sealing seat is circular, sealing seat inner side surface is provided with arc shaped surface, seal ring is provided with between sealing seat inner side surface and spool, spool is formed by seal ring and sealing seat and is tightly connected, spring is provided with between sealing seat outer side surface and valve body, seal ring is provided with between the excircle sidewall of sealing seat and valve body.The utility model controls to adopt sealing seat and spring in ball valve at self-compensation sealed, can seal degree between regulating spool and sealing seat, simultaneously, valve body outer side surface is provided with tungsten disulfide solid lubricant coating, improve greasy property, increase working life, improve the sealability of ball valve.
Description
Technical field:
The utility model relates to mechanical field, particularly relates to valve, and particularly a kind of self-compensation sealed controls ball valve.
Background technique:
In prior art, the spool of conventional ball valve is the spheroid with circular channel, rotates around the fixed axis perpendicular to pipeline, to realize the keying of ball valve; And conventional ball valve is when assembling, and its spool spheroid and sealing surface need manually to adjust valve body bolt, the resistance that valve body inner spool is subject to if tightened is excessive, easily makes spool and seal wears; Valve seal performance can be caused to be affected if unscrewed, and reveal.After use after a while, sealing surface can produce wearing and tearing again simultaneously, thus occurs new leakage.The defect existed: the materials such as spool spheroid employing 304, along with valve opening and closing time of movement increases, and make wear surface constantly produce and increase, thus cause sealing unreliable leakage.
Summary of the invention:
The purpose of this utility model is to provide a kind of self-compensation sealed to control ball valve, and it is large and life-span short-range missile is fine and close seals the unreliable technical problem occurring to reveal with the friction factor of Sealing that described this self-compensation sealed controls spool that ball valve will solve ball valve in prior art.
This self-compensation sealed of the present utility model controls ball valve, comprise final controlling element, valve rod, spool, valve body and lower shaft, described spool bottom is located on valve body rotationally by lower shaft, spool top is connected with described valve rod, wherein, sealing seat is provided with in described valve body, import and the outlet of described valve body are respectively provided with the sealing seat described in described spool joint, described sealing seat is circular, sealing seat inner side surface is provided with arc shaped surface, seal ring is provided with between described sealing seat inner side surface and described spool, described spool is formed by described seal ring and described sealing seat and is tightly connected, spring is provided with between described sealing seat outer side surface and described valve body, seal ring is provided with between the excircle sidewall of described sealing seat and described valve body.
Further, described valve core outer surface is provided with tungsten disulfide solid lubricant coating.
Further, described valve rod is connected with described final controlling element by transfer connection part, described transfer connection part comprises transfer connecting rod and transfer connection bracket, described transfer connection bracket upper end is connected with final controlling element sidewall, lower end is connected with valve body, and described transfer connecting rod upper end is connected with described final controlling element output shaft, lower end is fixedly connected with described valve rod upper end.
Further, a plurality of described spring is evenly provided with at described sealing seat outer side surface along its circumferencial direction.
Further, described sealing seat outer side surface is provided with spring mounting hole position, and described spring is located in described spring mounting hole position.
Further, described sealing seat outer side surface is provided with the spring described in 12 along its circumferencial direction.
Further, described transfer connection part lower end is connected by key and described spool upper end is fixedly linked.
Further, described final controlling element is motor or cylinder.
The utility model is compared with prior art, and its effect is actively with obvious.The utility model controls to adopt sealing seat and spring in ball valve at self-compensation sealed, can seal degree between regulating spool and sealing seat, simultaneously, valve body outer side surface is provided with tungsten disulfide solid lubricant coating, improve greasy property, increase working life, improve the sealability of ball valve.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that self-compensation sealed of the present utility model controls ball valve embodiment 1.
Fig. 2 is spool enlarged schematic partial view in Fig. 1.
Fig. 3 is the schematic diagram of sealing seat in Fig. 1.
Fig. 4 is the schematic diagram of Fig. 1 transfer connecting rod.
Fig. 5 is the schematic diagram of Fig. 1 transfer connection bracket.
Fig. 6 is the structural representation that self-compensation sealed of the present utility model controls ball valve embodiment 2.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, self-compensation sealed of the present utility model controls ball valve, comprise final controlling element 1, valve rod 2, spool 3, valve body 4 and lower shaft 5, described spool 3 bottom is located on valve body 4 by lower shaft 5 rotationally, spool 3 top is connected with described valve rod 2, wherein, sealing seat 6 is provided with in described valve body 4, import and the outlet of described valve body are respectively provided with the sealing seat described in described spool joint, described sealing seat 6 is in circular, sealing seat inner side surface is provided with arc shaped surface, seal ring 7 is provided with between described sealing seat 6 inner side surface and described spool 3, described spool 3 is formed by described seal ring 7 and described sealing seat and is tightly connected, spring 8 is provided with between described sealing seat 6 outer side surface and described valve body 4, seal ring 9 is provided with between the excircle sidewall of described sealing seat 6 and described valve body.
Further, described spool 3 outer surface is provided with tungsten disulfide solid lubricant coating.
Further, described valve rod 2 is connected with described final controlling element 1 by transfer connection part, described transfer connection part comprises transfer connecting rod 10 and transfer connection bracket 11, described transfer connection bracket 11 upper end is connected with final controlling element sidewall, lower end is connected with valve body 4, and described transfer connecting rod 10 upper end is connected with described final controlling element output shaft, lower end is fixedly connected with described valve rod 2 upper end.
Further, a plurality of described spring is evenly provided with at described sealing seat outer side surface along its circumferencial direction.
Further, described sealing seat outer side surface is provided with spring mounting hole position, and described spring is located in described spring mounting hole position.
Further, described sealing seat outer side surface is provided with the spring described in 12 along its circumferencial direction.
Further, described transfer connection part lower end is connected by key and described spool upper end is fixedly linked.
Further, described final controlling element 1 is motor.
Concrete, after final controlling element is connected source of the gas and switched on power and start working, drive transfer connecting rod, valve rod, spool to rotate around the axis perpendicular to pipeline together with lower shaft, make valve reach open/close states.
Valve, in the process opened and closed, for different flowing mediums through valve, to wear and tear to spool and washing away of seal ring, can reach better sealing effect, avoid and reveal by patent spring after Row sum-equal matrix.
Embodiment 2:
As shown in Figure 6, embodiment 2 is with the difference of embodiment 1, and described final controlling element adopts cylinder.
Claims (4)
1. a self-compensation sealed controls ball valve, comprise final controlling element, valve rod, spool, valve body and lower shaft, described spool bottom is located on valve body rotationally by lower shaft, spool top is connected with described valve rod, it is characterized in that: in described valve body, be provided with sealing seat, import and the outlet of described valve body are respectively provided with the sealing seat described in described spool joint, described sealing seat is circular, sealing seat inner side surface is provided with arc shaped surface, seal ring is provided with between described sealing seat inner side surface and described spool, described spool is formed by described seal ring and described sealing seat and is tightly connected, spring is provided with between described sealing seat outer side surface and described valve body, seal ring is provided with between the excircle sidewall of described sealing seat and described valve body, valve core outer surface is provided with tungsten disulfide solid lubricant coating, the spring described in 12 is evenly provided with along its circumferencial direction at sealing seat outer side surface, sealing seat outer side surface is provided with spring mounting hole position, spring is located in described spring mounting hole position.
2. self-compensation sealed as claimed in claim 1 controls ball valve, it is characterized in that: described valve rod is connected with described final controlling element by transfer connection part, described transfer connection part comprises transfer connecting rod and transfer connection bracket, described transfer connection bracket upper end is connected with final controlling element sidewall, lower end is connected with valve body, and described transfer connecting rod upper end is connected with described final controlling element output shaft, lower end is fixedly connected with described valve rod upper end.
3. self-compensation sealed as claimed in claim 2 controls ball valve, it is characterized in that: described transfer connection part lower end is connected by key and described spool upper end is fixedly linked.
4. self-compensation sealed as claimed in claim 1 controls ball valve, it is characterized in that: described final controlling element is motor or cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157742.0U CN204083316U (en) | 2014-04-02 | 2014-04-02 | Self-compensation sealed controls ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157742.0U CN204083316U (en) | 2014-04-02 | 2014-04-02 | Self-compensation sealed controls ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083316U true CN204083316U (en) | 2015-01-07 |
Family
ID=52176037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420157742.0U Expired - Fee Related CN204083316U (en) | 2014-04-02 | 2014-04-02 | Self-compensation sealed controls ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145784A (en) * | 2020-09-22 | 2020-12-29 | 张尚斌 | Compensation type manual valve wear-resistant anticorrosive coating |
-
2014
- 2014-04-02 CN CN201420157742.0U patent/CN204083316U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145784A (en) * | 2020-09-22 | 2020-12-29 | 张尚斌 | Compensation type manual valve wear-resistant anticorrosive coating |
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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 |
Granted publication date: 20150107 Termination date: 20210402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |