CN202629135U - Four-valve-seat hard sealed ceramic ball valve with trunnion ball - Google Patents
Four-valve-seat hard sealed ceramic ball valve with trunnion ball Download PDFInfo
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- CN202629135U CN202629135U CN 201220097919 CN201220097919U CN202629135U CN 202629135 U CN202629135 U CN 202629135U CN 201220097919 CN201220097919 CN 201220097919 CN 201220097919 U CN201220097919 U CN 201220097919U CN 202629135 U CN202629135 U CN 202629135U
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Abstract
The utility model discloses a four-valve-seat hard sealed ceramic ball valve with a trunnion ball. The ceramic ball valve comprises a shell, a valve rod, the ceramic valve ball and sealing elements, wherein the top of the shell is provided with an upper valve cover, and the bottom of the shell is provided with a lower valve cover; an upper ceramic valve seat is arranged between the upper valve cover and the valve rod; a lower ceramic valve seat is arranged between the lower valve cover and the ceramic valve ball; the left and right ends of the shell are respectively provided with embedded type flange liners; a left ceramic valve seat is arranged between the ceramic valve ball and the embedded type flange liners at the left end of the shell, and a right ceramic valve seat is arranged between the ceramic valve ball and the embedded type flange liners at the right end of the shell; and positioning sleeves are arranged between the left ceramic valve seat and the ceramic valve ball and between the right ceramic valve seat and the ceramic valve ball. By the ceramic ball valve, a shortcoming of failure of the ball valve because the metal valve rod is corroded or scoured by a medium with strong acid or strong base corrosion and a medium with solid particles is overcome, so that the service life of the ball valve is prolonged, the safety performance of the ball valve is improved, and the stable and safe operation of an industrial pipeline system is guaranteed.
Description
Technical field
The utility model relates to a kind of ball valve, relates in particular to a kind of ceramic ball valve.
Background technique
Ceramic ball valve has superpower advantage such as wear-resistant, corrosion-resistant, high temperature resistant; Be mainly used in the pipe-line transportation system of industrial fields such as electric power, oil, chemical industry, metallurgy, mining, sewage treatment; Especially in the face of bad working environments such as high wearing and tearing, deep-etching, high temperature, high pressure, ceramic valve more demonstrates its remarkable performance.Ceramic valve can satisfy the Environmental Conditions of high wearing and tearing, deep-etching, and especially outstanding characteristics are the working life of overlength, and the price performance of ceramic valve is far superior to other similar metal valve.But for having strong acid or alkali corrosion property, and simultaneously with the medium of immobilized particles, at present, the metal valve stem of conventional ceramic valve is worn easily and erodes.
The model utility content
To above-mentioned existing technology; The utility model provides the hard sealing and fixing ball of a kind of four valve seats ceramic ball valve; Avoided for having strong acid or alkali corrosion property, and simultaneously with the medium of immobilized particles, the defective that the metal valve stem of existing conventional ceramic valve is worn easily and erodes.
In order to solve the problems of the technologies described above; The technological scheme that the hard sealing and fixing ball of the utility model four valve seats ceramic ball valve is achieved is: comprise housing, valve rod, ceramic valve ball and Sealing; The top of said housing and bottom are respectively equipped with bonnet and bottom flange, are provided with ceramic upper valve base between said bonnet and the said valve rod; Be provided with ceramic lower valve base between said bottom flange and the said ceramic valve ball; The right ends of said housing is respectively equipped with nesting type flange liner, is respectively equipped with ceramic left valve seat and ceramic right valve seat between the nesting type flange liner of said ceramic valve ball and right ends; Be provided with setting sleeve between the left valve seat of said pottery and right valve seat of said pottery and the ceramic valve ball.
Further say, in the hard sealing and fixing ball of the utility model four valve seats ceramic ball valve, contact the tight contact that is cambered surface between said ceramic upper valve base, ceramic left valve seat, ceramic right valve seat and ceramic lower valve base and the ceramic valve ball.
Said nesting type flange liner is made up of the ceramic flange liner that is nested in a metal flange liner, and said metal flange liner wherein cooperates with said shell, and the internal surface of said ceramic flange liner contacts with medium.
Between the nesting type flange liner of said housing right-hand member and the right valve seat of said pottery, be provided with secure component.Said secure component comprise be arranged in said right valve seat and the said nesting type flange liner and with metal flange in be locked and connect airtight metal cirque and the gear shape annulus that touches; The outer rim of said gear shape annulus is provided with a plurality of double wedges; The internal surface of said housing is provided with annular boss, and said annular boss is provided with the gap that cooperates with said double wedge.
Be key connecting between the upper end of said ceramic valve ball and the said valve rod.Cooperate for axis hole between the lower end of said ceramic valve ball and the said lower valve base.Between said lower valve base and the said bottom flange, be provided with the dish spring respectively between said bonnet and the said upper valve base.Said bonnet is fixed on the said valve rod through a jump ring.
Compared with prior art, the beneficial effect of the utility model is:
The metal valve stem of conventional ceramic ball valve directly contacts with medium in the existing technology; Can't tackle and have severe corrosive and washing away of the medium that contains solid particle arranged; In case valve rod is corroded; With regard to the Kai Heguan of uncontrollable valve, also can cause Korrosionsmedium to leak in the time of serious, be a huge potential safety hazard.In addition, the stopping production inspection and maintenance to valve rod also causes the certain economic loss.The hard sealing and fixing ball of the utility model four valve seats ceramic ball valve can be protected metal valve stem not to be corroded and weares and teares, and has improved the working life and the Safety performance of valve, can ensure the stability and safety operation of industrial piping system.
Description of drawings
Fig. 1 is the sectional plan view of the hard sealing and fixing ball of the utility model four valve seats ceramic ball valve;
Fig. 2 is the axial sectional view of the annulus of gear shape shown in Fig. 1;
Fig. 3 is that the end of gear shape annulus shown in Figure 2 is to view.
Among the figure:
The 1-valve rod, 2-bonnet, 3-pottery upper valve base, 4-housing, 5-ceramic valve core; The 6-metal cirque, 7-gear shape annulus, 8,16-ceramic flange liner, the right valve seat of 9-; 10,17-metal flange liner, 11-lower valve base lid, 12-lower valve base, 13,20-dish spring; 14,19-sealing material, 15-left side valve seat, 18-setting sleeve, 21-jump ring.
Embodiment
Below in conjunction with embodiment the utility model is done to describe in further detail.
As shown in Figure 1; The hard sealing and fixing ball of the utility model four valve seats ceramic ball valve comprises housing 4, valve rod 1, ceramic valve ball 5, bonnet 2, bottom flange 11, is positioned at four ceramic valve seats of ceramic valve ball 5 upper and lower, left and right and relevant Sealing that (as: sealing material 14,19 and a plurality of O shape rubber ring that is arranged between each ceramic fitting going up between ceramic valve seat and the bonnet, be equipped with respectively between ceramic valve seat and the bottom flange down) and fastener assembly assembly.
The top of said housing 4 and bottom are respectively equipped with bonnet 2 and bottom flange 11, are provided with ceramic upper valve base 3 between said bonnet 2 and the said valve rod 1; Be provided with ceramic lower valve base 12 between said bottom flange 11 and the said ceramic valve ball 5; The right ends of said housing 4 is respectively equipped with nesting type flange liner; Said nesting type flange liner is made up of the ceramic flange liner that is nested in a metal flange liner; Said metal flange liner wherein cooperates with said shell 4, and the internal surface of said ceramic flange liner contacts with medium.Be respectively equipped with ceramic left valve seat 15 and ceramic right valve seat 9 between the nesting type flange liner of said ceramic valve ball 5 and right ends; Be provided with setting sleeve 18 between the left valve seat of said pottery and right valve seat of said pottery and the ceramic valve ball 5.Contact the tight contact that is cambered surface between said ceramic upper valve base 3, ceramic left valve seat 15, ceramic right valve seat 9 and ceramic lower valve base 12 and the ceramic valve ball 5.Between the nesting type flange liner of said housing 4 right-hand members and the right valve seat 9 of said pottery, be provided with secure component.Said secure component comprise be arranged in said right valve seat 9 and the said nesting type flange liner and with metal flange in cover 10 metal cirque 6 and the gear shape annulus 7 that closely contact and be sleeved on the ceramic flange liner 8; As shown in Figures 2 and 3; The outer rim of said gear shape annulus 7 is provided with a plurality of double wedges; The internal surface of said housing 4 is provided with annular boss, and said annular boss is provided with the gap that cooperates with said double wedge, and the double wedge of this gear shape annulus 7 partly arrives the annular groove place of annular boss one side through gap; Then; Rotate this gear shape annulus 7 and just be fixed in enclosure interior, said gear shape annulus 7 is provided with hexagon socket head cap screw, and is through this bolt that metal cirque is fastening.Certainly; Said secure component can also have other a kind of structure; That is: be not provided with the hexagon socket head cap screw hole on the gear shape annulus 7; Between metal cirque and gear shape annulus 7, place a dishful of spring, utilize the gear shape annulus elastic force that extruding is produced to the dish spring that the ceramic fitting (comprising each valve seat and valve ball) of valve inner is compressed.Be key connecting between the upper end of said ceramic valve ball 5 and the said valve rod 1, that is, the lower end of valve rod is inserted in the keyway of ceramic valve ball 5 upper ends, thereby turn valve rod 1 drives the switch of ceramic valve ball 5 rotation control valves; For axis hole cooperates, that is, the small end cylindrical body of ceramic lower valve base is embedded in the circular hole of ceramic valve ball lower end between the lower end of said ceramic valve ball 5 and the said lower valve base 12.Be provided with dish spring 13 between said lower valve base 12 and the said bottom flange 11, said bonnet 2 is fixed on the said valve rod 1 through a jump ring 21, is provided with dish spring 20 between said bonnet 2 and the said upper valve base 3.
The switch of the hard sealing and fixing ball of the utility model four valve seats ceramic ball valve is to control through the actuator's (like handle, positioning work piece etc.) that is installed on the bonnet 2.The moment of torsion that utilizes actuator that the tetragonal body at valve rod 1 top part (being the part that platform is stretched out in the valve rod top) is produced drives valve rod 1 and rotates; And the flat of valve rod 1 bottom is partially submerged in the keyway at ceramic valve ball 5 tops, rotates synchronously thereby make ceramic valve ball 5 follow valve rod 1.When the endoporus of ceramic valve ball 5 aligns with the endoporus of the ceramic flange liner of left and right sides ceramic valve seat and both sides, valve opening.Rotate 90 again when spending when valve rod 1 drives ceramic valve ball 5, the sidewall of ceramic valve ball 5 is just blocked the endoporus of left and right sides ceramic valve seat, valve closing.In the valve procedures, metal valve stem does not directly contact with medium, thereby has avoided having the corrosion to metal valve stem of strong acid or highly basic medium, and immobilized particles medium washing away metal valve stem.
Although top combination figure is described the utility model; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the utility model.
Claims (9)
1. the hard sealing and fixing ball of a valve seat ceramic ball valve comprises housing (4), valve rod (1), ceramic valve ball (5) and Sealing, and the top of said housing (4) and bottom are respectively equipped with bonnet (2) and bottom flange (11), it is characterized in that,
Be provided with ceramic upper valve base (3) between said bonnet (2) and the said valve rod (1);
Be provided with ceramic lower valve base (12) between said bottom flange (11) and the said ceramic valve ball (5);
The right ends of said housing (4) is respectively equipped with nesting type flange liner, is respectively equipped with ceramic left valve seat (15) and ceramic right valve seat (9) between the nesting type flange liner of said ceramic valve ball (5) and right ends;
Be provided with setting sleeve (18) between left valve seat of said pottery and the right valve seat of said pottery and the ceramic valve ball (5).
2. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve; It is characterized in that, contact the tight contact that is cambered surface between said ceramic upper valve base (3), ceramic left valve seat (15), ceramic right valve seat (9) and ceramic lower valve base (12) and the ceramic valve ball (5).
3. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve; It is characterized in that; Said nesting type flange liner is made up of the ceramic flange liner that is nested in a metal flange liner; Said metal flange liner wherein cooperates with said shell (4), and the internal surface of said ceramic flange liner contacts with medium.
4. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve is characterized in that, is positioned between nesting type flange liner and the right valve seat of said pottery (9) of said housing (4) right-hand member to be provided with secure component.
5. the hard sealing and fixing ball of four valve seats according to claim 4 ceramic ball valve; It is characterized in that; Said secure component comprise be arranged in said right valve seat and the said nesting type flange liner and with metal flange in be locked and connect airtight metal cirque (6) and the gear shape annulus (7) that touches; The outer rim of said gear shape annulus (7) is provided with a plurality of double wedges; The internal surface of said housing (4) is provided with annular boss, and said annular boss is provided with the gap that cooperates with said double wedge, and said gear shape annulus (7) is provided with hexagon socket head cap screw.
6. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve is characterized in that, is key connecting between the upper end of said ceramic valve ball (5) and the said valve rod (1).
7. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve is characterized in that, cooperates for axis hole between the lower end of said ceramic valve ball (5) and the said lower valve base (12).
8. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve is characterized in that, between said lower valve base (12) and the said bottom flange (11), be provided with the dish spring respectively between said bonnet (2) and the said upper valve base (3).
9. the hard sealing and fixing ball of four valve seats according to claim 1 ceramic ball valve is characterized in that said bonnet (2) is fixed on the said valve rod (1) through a jump ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220097919 CN202629135U (en) | 2012-03-15 | 2012-03-15 | Four-valve-seat hard sealed ceramic ball valve with trunnion ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220097919 CN202629135U (en) | 2012-03-15 | 2012-03-15 | Four-valve-seat hard sealed ceramic ball valve with trunnion ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202629135U true CN202629135U (en) | 2012-12-26 |
Family
ID=47382340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220097919 Expired - Fee Related CN202629135U (en) | 2012-03-15 | 2012-03-15 | Four-valve-seat hard sealed ceramic ball valve with trunnion ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202629135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289153A (en) * | 2016-04-01 | 2017-10-24 | 上海中航阀门有限公司 | A kind of T-shaped tee ball valve of high pressure |
-
2012
- 2012-03-15 CN CN 201220097919 patent/CN202629135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289153A (en) * | 2016-04-01 | 2017-10-24 | 上海中航阀门有限公司 | A kind of T-shaped tee ball valve of high pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130315 |