CN201902595U - Fluid ball valve - Google Patents
Fluid ball valve Download PDFInfo
- Publication number
- CN201902595U CN201902595U CN2010206395172U CN201020639517U CN201902595U CN 201902595 U CN201902595 U CN 201902595U CN 2010206395172 U CN2010206395172 U CN 2010206395172U CN 201020639517 U CN201020639517 U CN 201020639517U CN 201902595 U CN201902595 U CN 201902595U
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- outlet channel
- liquid outlet
- annular
- valve gap
- seal ring
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Abstract
A fluid ball valve comprises a ball valve body, a ball, a valve bonnet, a spherical washer and a withdrawing preventive device. A fluid inlet channel, a fluid outlet channel, a ball cavity and a valve stem channel are arranged on the ball valve body, the fluid inlet channel and the fluid outlet channel are positioned on the same line, the fluid inlet channel and the fluid outlet channel are communicated at a certain phase by the aid of the ball, external threads of the valve bonnet are screwed with internal threads on the fluid outlet channel, a screwing surface of the external threads of the valve bonnet is adhered with a screwing surface of the internal threads on the fluid outlet channel by sealant, and the withdrawing preventive device matches with the valve bonnet and the fluid outlet channel. Sealing performances at threaded connection positions can be enhanced, and the withdrawing preventive device can prevent connection of the valve bonnet with the fluid outlet channel from loosening to cause fluid leakage.
Description
Technical field
The present invention relates to a kind of fluid ball valve.
Background technique
Present prior art, as shown in Figure 1, a kind of fluid ball valve comprises ball valve body 1, spheroid 2, spherical washer 3, valve rod 4, goes up cap nut 5 and valve gap 6; Point-blank feed pathway 11, liquid outlet channel 12 are arranged on the ball valve body 1, and spheroid chamber and valve stem passage are communicated with; Spheroid 2 is communicated with liquid outlet channel 12 and feed pathway 11 in a certain phase place; Internal thread on the outside thread of valve gap 6 and the liquid outlet channel 12 screws and reaches liquid sealing.Existing problems are: in use, because vibration, it is loosening to cause valve gap to be connected with liquid outlet channel, causes leakage.
Summary of the invention
The objective of the invention is: a kind of fluid ball valve is provided, and it is good seal performance not only, and can prevent that valve gap and liquid outlet channel from becoming flexible, and leakage.
The present invention is achieved in that a kind of fluid ball valve, comprises ball valve body, spheroid, valve gap and spherical washer, point-blank feed pathway, liquid outlet channel is arranged, spheroid chamber and valve stem passage on the ball valve body; Spheroid is communicated with liquid outlet channel and liquid outlet channel in a certain phase place; The outside thread of valve gap and the internal thread on the liquid outlet channel screw; Its special way is: screwing of the outside thread of described valve gap and the internal thread on the liquid outlet channel has sealer bonding on the face;
Also comprise an anti-unloading device, anti-unloading device cooperates with valve gap and liquid outlet channel.
Described fluid ball valve, its special way is: described anti-unloading device comprises a jam nut and a seal ring;
The outer shroud platform is arranged on the described valve gap, and valve gap is with after liquid outlet channel is connected, and the outer shroud platform is concordant with the end face of liquid outlet channel; On the interior annular table of described jam nut circular groove is arranged, seal ring is arranged in the circular groove; Seal ring covers the valve gap seam that is threaded with liquid outlet channel, and the outside thread of jam nut and liquid outlet channel screws, and jam nut compresses seal ring and reaches soft seal; The interior annular table of jam nut and the outer shroud platform of valve gap and liquid outlet channel end face seal firmly.
Described fluid ball valve, its special way is: described anti-unloading device comprises the reducing and a seal ring of liquid outlet channel end;
On the described valve gap annular pressing plate is arranged, on the internal surface of liquid outlet channel annular table is arranged, the lower surface and the annular table of annular pressing plate seal firmly; Seal ring is provided with on the annular pressing plate, and the reducing of liquid outlet channel end compresses seal ring, reaches soft seal.
Described fluid ball valve, its special way is: described anti-unloading device comprises the interface on the annular pressing plate of valve gap;
On the described valve gap annular pressing plate is arranged, have two annulars to present a theatrical performance as the last item on a programme on the lower end surface of annular pressing plate; Two annular table are arranged on the internal surface of liquid outlet channel, and annular table is presented a theatrical performance as the last item on a programme with annular and is cooperated hard sealing;
The interface pressure point with on the annular pressing plate of liquid outlet channel cooperates.
Described fluid ball valve, its special way is: described anti-unloading device comprises the projection on the axial end of annular pressing plate on the valve gap, sealing antislip ring and liquid outlet channel;
The sealing antislip ring is arranged in the circular groove of annular pressing plate, and projection reaches soft seal with the groove of sealing antislip ring is chimeric.
Described fluid ball valve, its special way is: the cross section of projection is triangular in shape, and the cross section of groove is triangular in shape.
Described fluid ball valve, its special way is: the cross section of projection is square, and the cross section of groove is square.
Described fluid ball valve, its special way is: described anti-unloading device comprises and is positioned at valve gap annular gland, anti-skidding seal ring radially that restraining groove is arranged on the annular gland;
Anti-skidding seal ring is arranged on the end of liquid outlet channel, and annular gland covers the end of liquid outlet channel, and anti-skidding seal ring cooperates with restraining groove, and annular gland is pressed abd fixed on anti-skidding seal ring the end of liquid outlet channel.
Described fluid ball valve, its special way is: the whirligig for the throw operation is arranged on the described valve gap, and described whirligig is positioned at the axial end portion of valve gap, is hexagon from the plan view cross section.
A kind of fluid ball valve of the present invention, screwing of the outside thread of described valve gap and the internal thread on the liquid outlet channel has sealer bonding on the face; Also comprise an anti-unloading device, anti-unloading device cooperates with valve gap and liquid outlet channel.Because adopt this spline structure, the threaded connection place sealability is strengthened, the setting of anti-unloading device, it is loosening to prevent that valve gap is connected with liquid outlet channel, and causes leakage.
Description of drawings
Fig. 1 is the sectional view of prior art.
Fig. 2 is the sectional view of first kind of mode of execution of the present invention.
Fig. 3 is the sectional view of second kind of mode of execution of the present invention.
Fig. 4 is the sectional view of the third mode of execution of the present invention.
Fig. 5 be Fig. 4 A to partial view.
Fig. 6 is the sectional view of the 4th kind of mode of execution of the present invention.
Fig. 7 is the sectional view of the 5th kind of mode of execution of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 2, a kind of fluid ball valve comprises ball valve body 1, spheroid 2, spherical washer 3, valve rod 4, goes up cap nut 5 and valve gap 6; Spheroid 2 cooperates with spherical washer 3, reaches soft seal, and point-blank feed pathway 11, liquid outlet channel 12 are arranged on the ball valve body 1, and spheroid chamber and valve stem passage are communicated with; Valve rod 4 and valve stem passage soft seal; Spheroid 2 is communicated with liquid outlet channel 12 and feed pathway 11 in a certain phase place; Internal thread on the outside thread of valve gap 6 and the liquid outlet channel 12 screws; Screwing of internal thread on the outside thread of described valve gap 6 and the liquid outlet channel 12 has sealer bonding on the face;
Also comprise an anti-unloading device, anti-unloading device cooperates with valve gap and liquid outlet channel.
Described anti-unloading device comprises a jam nut 7 and a seal ring 8;
On the described valve gap 6 outer shroud platform 61 is arranged, valve gap 6 is with after liquid outlet channel 12 is connected, and outer shroud platform 61 is concordant with the end face of liquid outlet channel 12; On the interior annular table 71 of described jam nut 7 circular groove 72 is arranged, seal ring 8 is arranged in the circular groove 72; Seal ring 72 covers valve gaps 6 seam that is threaded with liquid outlet channel 12, and the outside thread of jam nut 7 and liquid outlet channel 12 screws, and jam nut 7 compresses seal ring 8.
The interior annular table 71 of jam nut 7 seals firmly with the outer shroud platform 61 and liquid outlet channel 12 end faces of valve gap, and seal ring 8 is realized soft seal.
As shown in Figure 3, described anti-unloading device comprises the reducing 122 and a seal ring 8 of liquid outlet channel 12 ends;
On the described valve gap 6 annular pressing plate 61 is arranged, annular table 121 is arranged on the internal surface of liquid outlet channel 12, the lower surface of annular pressing plate 61 and annular table 121 seal firmly; Seal ring 8 is provided with on the annular pressing plate 61, and the reducing 122 of liquid outlet channel 12 ends compresses seal ring 8.
As Fig. 4, shown in Figure 5, described anti-unloading device comprises the interface 62 on the annular pressing plate 61 of valve gap 6;
There are two annulars to present a theatrical performance as the last item on a programme 63 on the lower end surface of described annular pressing plate 61; Two annular table 121 are arranged on the internal surface of liquid outlet channel 12, and annular table 121 and annular are presented a theatrical performance as the last item on a programme and 63 are cooperated hard sealing;
The end 122 of liquid outlet channel 12 is connected cooperation with interface 62 pressure points 123 on the annular pressing plate 61.
As shown in Figure 6, described anti-unloading device comprises the projection on the axial end of annular pressing plate 61 on the valve gap, sealing antislip ring 9 and liquid outlet channel 12;
Sealing antislip ring 9 is arranged in the circular groove of annular pressing plate 61, and projection is chimeric with the groove of sealing antislip ring 9, reaches soft seal.Sealing antislip ring 9 is made by rubber material, has elasticity.The groove of sealing on the antislip ring is in valve gap 6 and process that liquid outlet channel 12 is connected, because protruding effect formation.
The cross section of projection is triangular in shape, and the cross section of groove is triangular in shape.
As shown in Figure 7, described anti-unloading device comprises and is positioned at valve gap 6 annular gland 64, anti-skidding seal ring 9 radially.Restraining groove 641 is arranged on the annular gland 64,
Above-described only is preferential mode of execution of the present invention.Should be pointed out that for the person of ordinary skill of the art under the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is considered as protection scope of the present invention.
Claims (8)
1. a fluid ball valve comprises ball valve body, spheroid, valve gap and spherical washer, point-blank feed pathway, liquid outlet channel is arranged, spheroid chamber and valve stem passage on the ball valve body; Spheroid is communicated with liquid outlet channel and liquid outlet channel in a certain phase place; The outside thread of valve gap and the internal thread on the liquid outlet channel screw; It is characterized in that: screwing of the outside thread of described valve gap and the internal thread on the liquid outlet channel has sealer bonding on the face;
Also comprise an anti-unloading device, anti-unloading device cooperates with valve gap and liquid outlet channel.
2. fluid ball valve according to claim 1 is characterized in that: described anti-unloading device comprises a jam nut and a seal ring;
The outer shroud platform is arranged on the described valve gap, and valve gap is with after liquid outlet channel is connected, and the outer shroud platform is concordant with the end face of liquid outlet channel; On the interior annular table of described jam nut circular groove is arranged, seal ring is arranged in the circular groove; Seal ring covers the valve gap seam that is threaded with liquid outlet channel, and the outside thread of jam nut and liquid outlet channel screws, and jam nut compresses seal ring and reaches soft seal; The interior annular table of jam nut and the outer shroud platform of valve gap and liquid outlet channel end face seal firmly.
3. fluid ball valve according to claim 1 is characterized in that: described anti-unloading device comprises the reducing and a seal ring of liquid outlet channel end;
On the described valve gap annular pressing plate is arranged, on the internal surface of liquid outlet channel annular table is arranged, the lower surface and the annular table of annular pressing plate seal firmly; Seal ring is provided with on the annular pressing plate, and the reducing of liquid outlet channel end compresses seal ring, reaches soft seal.
4. fluid ball valve according to claim 1 is characterized in that: described anti-unloading device comprises the interface on the annular pressing plate of valve gap;
On the described valve gap annular pressing plate is arranged, have two annulars to present a theatrical performance as the last item on a programme on the lower end surface of annular pressing plate; Two annular table are arranged on the internal surface of liquid outlet channel, and annular table is presented a theatrical performance as the last item on a programme with annular and is cooperated hard sealing;
The interface pressure point with on the annular pressing plate of liquid outlet channel cooperates.
5. fluid ball valve according to claim 1 is characterized in that: described anti-unloading device comprises the projection on the axial end of annular pressing plate on the valve gap, sealing antislip ring and liquid outlet channel;
The sealing antislip ring is arranged in the circular groove of annular pressing plate, and projection reaches soft seal with the groove of sealing antislip ring is chimeric.
6. fluid ball valve according to claim 5 is characterized in that: the cross section of projection is triangular in shape, and the cross section of groove is triangular in shape.
7. fluid ball valve according to claim 5 is characterized in that: the cross section of projection is square, and the cross section of groove is square.
8. fluid ball valve according to claim 1 is characterized in that: described anti-unloading device comprises and is positioned at valve gap annular gland, anti-skidding seal ring radially that restraining groove is arranged on the annular gland;
Anti-skidding seal ring is arranged on the end of liquid outlet channel, and annular gland covers the end of liquid outlet channel, and anti-skidding seal ring cooperates with restraining groove, and annular gland is pressed abd fixed on anti-skidding seal ring the end of liquid outlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206395172U CN201902595U (en) | 2010-12-03 | 2010-12-03 | Fluid ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206395172U CN201902595U (en) | 2010-12-03 | 2010-12-03 | Fluid ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902595U true CN201902595U (en) | 2011-07-20 |
Family
ID=44273189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206395172U Expired - Lifetime CN201902595U (en) | 2010-12-03 | 2010-12-03 | Fluid ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003559A (en) * | 2010-12-03 | 2011-04-06 | 冈山精工(中山)有限公司 | Fluid ball valve |
| WO2013078866A1 (en) * | 2011-11-30 | 2013-06-06 | Danfoss (Tianjin) Ltd. | Ball valve |
-
2010
- 2010-12-03 CN CN2010206395172U patent/CN201902595U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003559A (en) * | 2010-12-03 | 2011-04-06 | 冈山精工(中山)有限公司 | Fluid ball valve |
| CN102003559B (en) * | 2010-12-03 | 2012-07-25 | 冈山精工(中山)有限公司 | Fluid ball valve |
| WO2013078866A1 (en) * | 2011-11-30 | 2013-06-06 | Danfoss (Tianjin) Ltd. | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110720 Effective date of abandoning: 20120725 |