CN202402686U - Antiwear fixed ball valve - Google Patents
Antiwear fixed ball valve Download PDFInfo
- Publication number
- CN202402686U CN202402686U CN2011205515665U CN201120551566U CN202402686U CN 202402686 U CN202402686 U CN 202402686U CN 2011205515665 U CN2011205515665 U CN 2011205515665U CN 201120551566 U CN201120551566 U CN 201120551566U CN 202402686 U CN202402686 U CN 202402686U
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- valve
- spheroid
- valve body
- wear
- valve seat
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Abstract
The utility model relates to an antiwear fixed ball valve, comprising a valve body, two valve caps, a valve rod, a sphere, two support plates, two valve seats, two valve seat seal rings, a connecting plate and a driving device, wherein the sphere is arranged in a valve cavity, the support plates are respectively arranged at the top and the bottom of the valve cavity, the upper end and the lower end of the sphere are respectively arranged in an axle hole of each of the two support plates, the valve caps are respectively arranged at the left end and the right end of the valve body, the valve seats are respectively arranged in the valve caps, a preloaded spring is arranged between the valve seats and the valve caps, and the valve seat seal rings are embedded into the valve seats. According to the utility model, the valve seat seal rings are floatingly arranged between the valve seats and the sphere, after the valve seat seal rings are abraded, a spring ejects the seal rings to compensate abrasion, and an abrasion resistance effect is achieved; the valve rod is internally provided with an anti-static spring and an anti-static sphere, thus friction between the sphere and the valve seats can be prevented and no static electricity is produced; and the support plates and a shaft shoulder of the sphere are provided with a sliding bearing, friction can be reduced, and a valve opening and closing moment can be reduced.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to valve, particularly a kind of wear-resistant fixing ball valve.
Background technique:
Fixing ball valve is widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel.The spheroid of fixing ball valve is fixed, and spheroid is provided with supporting axle, and bearing is equipped with in the supporting axle upper end; Therefore after receiving pressure medium, spheroid does not produce skew, and the valve seat generation is moved; Seal ring is pressed on the spheroid; Realize sealing, so the operation moment of torsion of this type ball valve is little, is applicable to the valve of high-pressure large-caliber.Mostly the valve base sealing loop material is special plastics; As processing by relative hardnesses such as PEEK (polyether-ether-ketone), PTFE (teflon), RPTFE (reinforced TFE), nylon and the bigger plastic materials of rigidity; Utilize its intrinsic elastic characteristic and spheroid to compress, and make valve seat insert material production resilient plastic distortion and reach sealing.The sealing effect of valve seat insert depend on valve seat insert under the effect of hydrodynamic pressure or pretightening force, can compensate the uneven degree of out of roundness and surface microscopic of spheroid.In addition, after the ball valve assembling and setting was good, the pretightening force on the sealing surface was just fixing.The shortcoming of fixing ball valve is: after ball valve uses a period of time, because the wearing and tearing of valve seat insert, and the plasticity residual deformation, valve seat insert that fits tightly and spheroid will relax gradually, and seal pressure also will reduce gradually and leak.
Summary of the invention:
The purpose of the utility model is to provide a kind of wear-resistant fixing ball valve, and described this wear-resistant fixing ball valve will solve the technical problem that valve seat insert wearing and tearing back appearance is leaked in the existing technology.
This wear-resistant fixing ball valve of the utility model comprises valve body, valve rod, spheroid, dunnage, connecting plate, drive unit and two valve gaps, wherein; Be provided with valve pocket in the described valve body, described spheroid is arranged in the described valve pocket, and described two valve gaps are arranged on the right ends of valve body respectively through screw bolt and nut; The top and the bottom of valve pocket are respectively arranged with dunnage, are provided with axis hole in the described dunnage separately, and the top and bottom of spheroid are separately positioned in the described axis hole; Be provided with locating stud between the right ends of any dunnage and the adjacent valve gap, all be provided with a valve seat separately between spheroid and any valve gap, all be provided with preloading spring separately between any described valve seat and the adjacent valve gap; Described preloading spring is setovered valve seat to the spheroid direction; Valve seat is provided with groove in the adjacent surface of itself and spheroid, be embedded with valve seat insert in the described groove, and described valve rod is arranged on through on the elongation line in axle center, spheroid top and bottom; The lower end of valve rod is connected with spheroid; The top of valve body is passed in the upper end of valve rod, and the top upside of valve body is provided with gland, locatees through straight pin between described gland and the valve body; Gland is fastened on the valve body by screw; Be provided with seal arrangement between valve rod and the valve body, described connecting plate is connected the upper end of gland, and the upper end of connecting plate is connected with described drive unit.
Further, be provided with hairspring between described valve seat insert and the valve seat, described hairspring is biased in valve seat insert on the surface of spheroid.
Further, described valve seat insert is made up of elastomer.
Further, be provided with filler between valve rod and the valve body, the top of described filler is provided with packing ring, and described packing ring is arranged between gland and the valve body.
Further, described drive unit comprises a worm and gear device, and the upper end of valve rod is connected with worm gear through key, worm gear and worm meshing, and the end of worm screw is connected with a handwheel.
Further, any described valve seat all is provided with the primary seal circle separately with time level seal ring between valve gap.
Further, described spheroid top and bottom are provided with the shaft shoulder separately, and the junction point of the dunnage and the shaft shoulder is provided with bearing separately.
Further, be provided with O RunddichtringO and spirotallic gasket between described valve gap and the valve body.
Further, place, the mating face of described gland and valve body is provided with O RunddichtringO and spirotallic gasket, is provided with the O RunddichtringO between described valve rod and the gland.
Further, be provided with antistatic spring and antistatic bead in the described valve rod, valve rod is electrically connected with the valve body formation through described antistatic spring and antistatic bead.
The working principle of the utility model is: valve seat floats between valve gap and spheroid; Valve seat insert floats between valve seat and spheroid; Even valve seat insert causes wearing and tearing, spring also can valve seat insert be ejected compensate for wear through repeatedly opening and closing, realize resistance to wearing effect.Be provided with antistatic spring and antistatic bead in the valve rod, to prevent friction-produced static between spheroid and the valve seat.Dunnage and spheroid shaft shoulder place are provided with sliding bearing, to reduce friction, reduce valve opening and closing moment.Adopt the straight pin location between dunnage and valve gap, gland and valve body, connecting plate and the valve body; Make valve mechanism compact; And make mutual restriction between the valve components; And can not take place loosening or displacement, and be provided with O RunddichtringO and spirotallic gasket double sealing between valve body and the valve gap, reduced the possibility that the phenomenon that leaks outside takes place.
The utility model and existing technology compare, and its effect is actively with tangible.The utility model floats valve seat and is arranged on valve gap and spheroid, and valve seat insert is floated to be arranged between valve seat and the spheroid, and valve seat insert repeatedly opens and closes and after producing wearing and tearing, spring can eject compensate for wear with valve seat insert, realizes resistance to wearing effect.Be provided with antistatic spring and antistatic bead in the valve rod, to prevent friction-produced static between spheroid and the valve seat.Dunnage and spheroid shaft shoulder place are provided with sliding bearing, to reduce friction, reduce valve opening and closing moment.Adopt the straight pin location between dunnage and valve gap, gland and valve body, connecting plate and the valve body; Make valve mechanism compact; And make mutual restriction between the valve components; And can not take place loosening or displacement, and be provided with O RunddichtringO and spirotallic gasket double sealing between valve body and the valve gap, reduced the possibility that the phenomenon that leaks outside takes place.
Description of drawings:
Fig. 1 is the structural representation of wear-resistant fixing ball valve of the utility model.
Fig. 2 is an A place partial enlarged drawing among Fig. 1.
Fig. 3 is a B place partial enlarged drawing among Fig. 1.
Embodiment:
Embodiment 1:
Like Fig. 1, Fig. 2 and shown in Figure 3, wear-resistant fixing ball valve of the utility model comprises valve body 7, two valve gaps 4, valve rod 19, spheroid 9, dunnage 11, valve seat 18, valve seat insert 13, connecting plate 23 and drive units 26; Spheroid 9 is arranged in the valve pocket, and valve body 7 bottoms are provided with blowdown plug 8, and spheroid 9 upper ends, two ends are separately positioned in the axis hole of dunnage 11; Two valve gaps 4 are arranged on the right ends of valve body 7 respectively through bolt 1 and nut 2, the bottom of valve gap 4 is provided with footing and supports 3, and the top is provided with hanger 21; Be convenient to steadily place and the lifting valve, be tightly connected between valve gap 4 and the valve body 7, be provided with valve seat 18 between any valve gap 4 and the valve body 7; Be provided with preloading spring 15 between valve seat 18 and the valve gap 4, valve seat insert 13 is embedded in the valve seat 18 and is adjacent with spheroid 9 surfaces, and the right ends of any dunnage 11 is located by connecting through straight pin 12 and valve gap 4 respectively; Valve rod 19 is arranged in the top of valve body 7, and the lower end of valve rod 19 is connected with spheroid 9, and valve body 7 upper ends are provided with gland 30; Gland 30 is anchored on the valve body 7 by straight pin 20 location and by socket head screw 31, and valve rod 19 middle parts cover is provided with filler 22 and packing ring, and packing ring is compressed by gland 30; Gland 30 upper ends link to each other with connecting plate 23; Connecting plate 23 upper ends link to each other with drive unit 26, and drive unit 26 is made up of the worm and gear device, and valve rod 19 upper ends link to each other with worm gear through key 25; Worm gear is meshed with worm screw, and worm screw one end is connected with a handwheel.
Further, in valve seat insert 13 bottoms, between valve seat 18 and valve seat insert 13, be provided with hairspring 14.
Further, be provided with primary seal circle 16 and secondary seal circle 17 two seals between valve seat 18 and the valve gap 4.
Further, spheroid is provided with the shaft shoulder in two ends about in the of 9, and dunnage 11 is provided with sliding bearing 10 with the shaft shoulder junction point of spheroid, reduces friction and reduces valve opening and closing moment.
Further, be provided with O RunddichtringO 6 and spirotallic gasket 5 between valve gap 4 and the valve body 7.
Further, gland 30 is provided with the 2nd O RunddichtringO 27 and second spirotallic gasket 28 with the place, mating face of valve body 7.
Further, be provided with two the 3rd O RunddichtringOs 29 between valve rod 19 and the gland 30, these two the 3rd O RunddichtringOs are provided with distance along the shaft length direction, form two seals.
Further, the logical straight pin 12 of dunnage 11 right ends is located with valve gap 4 mutually, gland 30 upper ends and connecting plate 23 logical straight pin location and fastening by socket head screw.
Further, be provided with antistatic spring and antistatic bead in the valve rod 19, valve rod is electrically connected with the valve body formation through antistatic spring and antistatic bead.
Claims (10)
1. a wear-resistant fixing ball valve comprises valve body, valve rod, spheroid, dunnage, connecting plate, drive unit and two valve gaps, it is characterized in that: be provided with valve pocket in the described valve body; Described spheroid is arranged in the described valve pocket, and described two valve gaps are arranged on the right ends of valve body respectively through screw bolt and nut, and the top and the bottom of valve pocket are respectively arranged with dunnage; Be provided with axis hole in the described dunnage separately, the top and bottom of spheroid are separately positioned in the described axis hole, are provided with locating stud between the right ends of any dunnage and the adjacent valve gap; All be provided with a valve seat separately between spheroid and any valve gap; All be provided with preloading spring separately between any described valve seat and the adjacent valve gap, to the biasing of spheroid direction, valve seat is provided with groove to described preloading spring in the adjacent surface of itself and spheroid with valve seat; Be embedded with valve seat insert in the described groove; Described valve rod is arranged on through on the elongation line in axle center, spheroid top and bottom, and the lower end of valve rod is connected with spheroid, and the top of valve body is passed in the upper end of valve rod; The top upside of valve body is provided with gland; Through the straight pin location, gland is fastened on the valve body by screw, is provided with seal arrangement between valve rod and the valve body between described gland and the valve body; Described connecting plate is connected the upper end of gland, and the upper end of connecting plate is connected with described drive unit.
2. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: be provided with hairspring between described valve seat insert and the valve seat, described hairspring is biased in valve seat insert on the surface of spheroid.
3. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: described valve seat insert is made up of elastomer.
4. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: be provided with filler between valve rod and the valve body, the top of described filler is provided with packing ring, and described packing ring is arranged between gland and the valve body.
5. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: described drive unit comprises a worm and gear device, and the upper end of valve rod is connected with worm gear through key, worm gear and worm meshing, and the end of worm screw is connected with a handwheel.
6. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: any described valve seat all is provided with the primary seal circle separately with time level seal ring between valve gap.
7. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: described spheroid top and bottom are provided with the shaft shoulder separately, and the junction point of the dunnage and the shaft shoulder is provided with bearing separately.
8. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: be provided with O RunddichtringO and spirotallic gasket between described valve gap and the valve body.
9. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: the place, mating face of described gland and valve body is provided with O RunddichtringO and spirotallic gasket, is provided with the O RunddichtringO between described valve rod and the gland.
10. wear-resistant fixing ball valve as claimed in claim 1 is characterized in that: be provided with antistatic spring and antistatic bead in the described valve rod, valve rod is electrically connected with the valve body formation through described antistatic spring and antistatic bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205515665U CN202402686U (en) | 2011-12-26 | 2011-12-26 | Antiwear fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205515665U CN202402686U (en) | 2011-12-26 | 2011-12-26 | Antiwear fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402686U true CN202402686U (en) | 2012-08-29 |
Family
ID=46700335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205515665U Expired - Fee Related CN202402686U (en) | 2011-12-26 | 2011-12-26 | Antiwear fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202402686U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818043A (en) * | 2012-08-31 | 2012-12-12 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN103742668A (en) * | 2014-01-10 | 2014-04-23 | 苏州纽威阀门股份有限公司 | Top-mounted ball valve |
| CN103801897A (en) * | 2013-12-26 | 2014-05-21 | 方正阀门集团有限公司 | Ultralow-temperature tool-aid-type fixing ball valve and assembling method thereof |
| CN103836223A (en) * | 2012-11-22 | 2014-06-04 | 江苏理想阀门有限公司 | Soft seal ball valve of washing-resisting sealing face |
| CN106151570A (en) * | 2015-03-23 | 2016-11-23 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of automatic Regulation ball valve |
| CN108895175A (en) * | 2018-08-30 | 2018-11-27 | 昆山维萨阀门有限公司 | A kind of metal hard-sealing ball valve |
| CN108916412A (en) * | 2018-07-06 | 2018-11-30 | 西诺威阀门控制（苏州）有限公司 | The roof-mounted fixing ball valve of heavy caliber double-piston |
| CN111981155A (en) * | 2020-07-08 | 2020-11-24 | 浙江福瑞科流控机械有限公司 | Forced double-shutoff friction-free upper-mounted ball valve |
| CN115899311A (en) * | 2022-12-10 | 2023-04-04 | 江苏盐电阀门有限公司 | Deep sea valve |
-
2011
- 2011-12-26 CN CN2011205515665U patent/CN202402686U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818043B (en) * | 2012-08-31 | 2014-11-19 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN102818043A (en) * | 2012-08-31 | 2012-12-12 | 苏州纽威阀门股份有限公司 | Low-temperature ball valve |
| CN103836223B (en) * | 2012-11-22 | 2018-01-19 | 江苏理想阀门有限公司 | A kind of soft sealing ball valve of resistance to erosion sealing surface |
| CN103836223A (en) * | 2012-11-22 | 2014-06-04 | 江苏理想阀门有限公司 | Soft seal ball valve of washing-resisting sealing face |
| CN103801897A (en) * | 2013-12-26 | 2014-05-21 | 方正阀门集团有限公司 | Ultralow-temperature tool-aid-type fixing ball valve and assembling method thereof |
| CN103801897B (en) * | 2013-12-26 | 2016-05-25 | 方正阀门集团有限公司 | On a kind of ultralow temperature, fill formula fixing ball valve and assembly method thereof |
| CN103742668A (en) * | 2014-01-10 | 2014-04-23 | 苏州纽威阀门股份有限公司 | Top-mounted ball valve |
| CN106151570A (en) * | 2015-03-23 | 2016-11-23 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of automatic Regulation ball valve |
| CN108916412A (en) * | 2018-07-06 | 2018-11-30 | 西诺威阀门控制（苏州）有限公司 | The roof-mounted fixing ball valve of heavy caliber double-piston |
| CN108895175A (en) * | 2018-08-30 | 2018-11-27 | 昆山维萨阀门有限公司 | A kind of metal hard-sealing ball valve |
| CN111981155A (en) * | 2020-07-08 | 2020-11-24 | 浙江福瑞科流控机械有限公司 | Forced double-shutoff friction-free upper-mounted ball valve |
| CN111981155B (en) * | 2020-07-08 | 2022-02-18 | 浙江福瑞科流控机械有限公司 | Forced double-shutoff friction-free upper-mounted ball valve |
| CN115899311A (en) * | 2022-12-10 | 2023-04-04 | 江苏盐电阀门有限公司 | Deep sea valve |
| CN115899311B (en) * | 2022-12-10 | 2023-10-31 | 江苏盐电阀门有限公司 | Deep sea valve |
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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: 20120829 Termination date: 20191226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |