CN201314412Y - Directly embedded butterfly valve for underground pipe - Google Patents
Directly embedded butterfly valve for underground pipe Download PDFInfo
- Publication number
- CN201314412Y CN201314412Y CNU2008202097798U CN200820209779U CN201314412Y CN 201314412 Y CN201314412 Y CN 201314412Y CN U2008202097798 U CNU2008202097798 U CN U2008202097798U CN 200820209779 U CN200820209779 U CN 200820209779U CN 201314412 Y CN201314412 Y CN 201314412Y
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- valve
- valve rod
- cap
- rod
- flange
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- Expired - Fee Related
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Abstract
The utility model discloses a directly embedded butterfly valve for underground pipe. The lower end of a valve body is provided with a lower valve rod, valve body is provided with a valve plate inside and the upper and lower ends of valve plate are respectively provided with a concave square groove and a concave round groove; the lower valve rod is inserted into the concave round groove of lower end valve plate; the lower end square plug of a middle valve rod is inserted into the concave square groove; the upper and lower ends of valve plate are provided with the bearing end sealing surface and bearing seat sealing surface. The valve neck is provided with the middle valve rod; the upper and lower ends of middle valve rod are in the square shape and the lower end of the middle valve rod is inserted into the concave square groove of valve plate; the upper valve rod is arranged in the valve rod connection sleeve and lower end of upper valve rod is provided with the concave square groove; the upper end of upper valve rod is nested with a bearing and a bearing cover is installed in the bearing; the upper end of valve neck is provided with middle flange; the upper end of valve rod connection sleeve is provided with an upper flange connection support on which an upper flange is arranged; the upper end of upper flange connection support is provided with a valve box; a valve box cover is arranged on the valve box. The valve box cover is fixed on the valve box; the valve box is fixed on the upper flange connection support.
Description
Technical field
The utility model relates to the directly buried type butterfly valve that a kind of under ground piping uses, and relates to the valve of special (being applicable to water, oil, gas, corrosive fluid) of using on a kind of under ground piping specifically, belongs to valve technology field.
Background technique
The butterfly butterfly valve mainly is divided into two kinds of two flange-type butterfly valves and wafer type butterfly valves, known butterfly valve mainly is by valve body, flashboard, axle bed, sealing pair, valve rod, gland, critical pieces such as filler or snail type circle constitute, wherein, the critical piece that plays seal action between flashboard and axle bed is a sealing pair, the sealing pair of at present known butterfly valve has secondary two kinds of hard sealing pair and soft seal, hard sealing pair be on the axle bed in the valve pocket runner with the sealing surface that metallic material is inlayed or built-up welding forms, the soft seal pair then is to inlay rubber ring to be installed as sealing surface on the flashboard of valve.The existing butterfly valve that has hard sealing pair structure, because be the hard sealing pair that adopts metallic material to make, the coefficient that metal-seated expands with heat and contract with cold is bigger, when running into the higher fluid of temperature, valve body, axle bed, flashboard, sealing pair can expand simultaneously, cause butterfly valve to open difficulty easily; When winter or when running into the lower fluid of temperature, valve body, axle bed, flashboard, sealing pair shrinkage simultaneously, easy like this causing produces the gap between flashboard and the axle bed, causes fluid to leak between the gap.The existing butterfly valve that has the soft seal auxiliary structure, be with rubber ring as sealing surface, grow service time, rubber damage easily comes off, and the flashboard of the butterfly valve of this structure and body cavity gets rusty easily and fouling, cause valve seal, be not closed completely and leaking medium.The butterfly valve of above-described two kinds of structures, its sealing surface damages easily, and the reparation difficulty is big, is not easy to change, keep in repair, and working life is short, has brought bigger worry to the user.
The model utility content
The purpose of this utility model is the defective that exists at background technique, the directly buried type butterfly valve that design provides a kind of under ground piping to use, this butterfly valve is provided with upper valve rod, middle valve rod, lower valve rod in valve body, the position that valve rod links to each other with valve plate has been designed to fluted body, at the inside and outside epoxide resin material that sprayed of valve body; Because the valve plate of this butterfly valve covers with rubber material, the valve rod of butterfly valve can not contact with medium, like this, can guarantee that valve plate and valve pocket inside can not get rusty.This butterfly valve antiseptic property is strong, and maintenance and replacing valve plate are convenient, and long service life can be the user and reduces maintenance expenses and cost of production.
In order to achieve the above object, the utility model is realized by following technological means:
The directly buried type butterfly valve (seeing accompanying drawing) that a kind of under ground piping uses, it includes valve body, valve cap, upper flange connection support, middle flange connection support, valve rod connecting sleeve, upper valve rod, middle valve rod, valve plate, lower valve rod major component, wherein: the lower end at valve body is provided with lower valve rod, the lower end of lower valve rod is provided with gasket seal, with locking cap lower valve rod is connected with valve body, valve body is provided with several flange bolt holes; In valve body, be provided with valve plate, be provided with valve plate matrix square groove in the upper end of valve plate, be provided with valve plate matrix circular groove in the lower end of valve plate, be provided with the axle head lower sealing surface in the lower end of valve plate, the axle bed sealing surface, lower valve rod is inserted in the valve plate matrix circular groove of valve plate lower end, middle valve rod lower end square plug is inserted in the valve plate matrix square groove of valve plate upper end, be provided with sealing surface and axle bed sealing surface on the axle head in the upper end of valve plate, in the valve body neck, be provided with the first volute circle, the second volute circle, the 3rd volute circle, in the valve body neck, be provided with a middle valve rod, on middle valve rod, be set with clutch shaft bearing, the clutch shaft bearing lid is installed on clutch shaft bearing, the top and bottom of middle valve rod are square, and middle valve rod lower end square plug is inserted in the valve plate matrix square groove, are connected with valve plate; Be provided with the valve rod connecting sleeve in the upper end of valve body, flange connects support in the lower end of valve rod connecting sleeve is provided with, in the valve rod connecting sleeve, be provided with upper valve rod, be provided with the square Baltimore groove of upper valve rod in the lower end of upper valve rod, middle valve rod upper end square plug is inserted in the upper valve rod square groove, be connected with upper valve rod; Be provided with the square termination of upper valve rod in the upper end of upper valve rod, be set with second bearing, second bearing cap is installed on second bearing in the upper end of upper valve rod; Be provided with a middle flange in the upper end of valve body neck, by the 3rd bolt middle flange be connected support with middle flange and fix; Be provided with upper flange in the upper end of valve rod connecting sleeve and connect support, upper flange connects support and is provided with upper flange; The upper end that connects support at upper flange is provided with a valve cap, in valve cap, be provided with the 4th volute circle and the 5th volute circle, lower end at valve cap is provided with weep hole, valve cap is provided with the valve cap lid of an activity, middle part at the valve cap lid is provided with circular hole, with first bolt valve cap lid is fixed on the valve cap; With second bolt whole valve cap being fixed on upper flange connects on the support.
Described valve plate uses rubber material to cover; Described valve body sprays one deck epoxide resin material within it, outward, to play anticorrosion, antirust effect.
The beneficial effects of the utility model are:
1, adopted rational linkage structure between valve plate of this butterfly valve and the valve rod, and the epoxy resin protective layer being arranged in the valve body spraying inside and outside, valve rod can not contact with medium, because valve plate (22) uses rubber material to cover, like this, can guarantee that valve plate and valve pocket inside can not get rusty;
2, this butterfly valve antiseptic property is strong, and maintenance and replacing valve plate are convenient, and long service life can be the user and reduces maintenance expenses and cost of production.
Description of drawings
Accompanying drawing is the vertical section structure figure of the directly buried type butterfly valve of a kind of under ground piping use of the utility model.
As shown in the figure, the Arabic numerals among the figure are expressed as follows:
1. circular hole, 2. valve cap covers, 3. first bolt, 4. weep hole, 5. upper flange, 6. second bolt, 7. upper flange connects support, 8. valve rod connecting sleeve, 9. upper valve rod, 10. middle flange connects support, 11. middle valve rod upper end square plug, 12. middle flange, 13. the 3rd bolt, 14. middle valve rod, 15. the first volute circle, 16. the second volute circle, 17. the 3rd volute circle, 18. sealing surface on the axle head, 19. valve plate matrix square groove, 20. middle valve rod lower end square plug, 21. rubber layer, 22. valve plate, 23. axle head lower sealing surface, 24. axle bed sealing surface, 25. valve body, 26. flange bolt hole, 27. gasket seal, 28. locking cap, 29. flange bolt hole, 30. lower valve rod, 31. valve plate matrix circular groove, 32. axle bed sealing surface, 33. flange bolt hole, 34. flange, 35. valve body neck, 36. clutch shaft bearing, 37. clutch shaft bearing lid, 38. upper valve rod square groove, 39. the 4th volute circle, 40. the 5th volute circle, 41. valve cap, 42. second bearing cap, 43. the square termination of upper valve rod, 44. second bearing.
The utility model is described in further detail below in conjunction with embodiment and Figure of description:
Embodiment
Embodiment
As shown in the figure, produce valve body 25, valve body neck 35, valve cap 41, upper flange connection support 7, middle flange connection support 10, valve rod connecting sleeve 8, upper valve rod 9, middle valve rod 14, valve plate 22, lower valve rod 30 with metallic material.
As shown in the figure, be provided with lower valve rod 30 in the lower end of valve body 25, the lower end of lower valve rod 30 is provided with gasket seal 27, with locking cap 28 lower valve rod 30 is connected with valve body 25, and valve body 25 is provided with several flange bolt holes 26,29,33; In valve body 25, be provided with valve plate 22, be provided with valve plate matrix square groove 19 in the upper end of valve plate 22, be provided with valve plate matrix circular groove 31 in the lower end of valve plate 22, be provided with axle head lower sealing surface 23 in the lower end of valve plate 22, axle bed sealing surface 24, lower valve rod 30 is inserted in the valve plate lower end valve plate matrix circular groove 31, middle valve rod lower end square plug 20 is inserted in the valve plate matrix square groove 19 of valve plate upper end, be provided with sealing surface 18 and axle bed sealing surface 32 on the axle head in the upper end of valve plate 22, in valve body neck 35, be provided with the first volute circle 15, the second volute circle 16, the 3rd volute circle 17, in valve body neck 35, be provided with a middle valve rod 14, on middle valve rod 14, be set with clutch shaft bearing 36, clutch shaft bearing lid 37 is installed on clutch shaft bearing 36, the top and bottom of middle valve rod 14 are square, middle valve rod lower end square plug 20 is inserted in the valve plate matrix square groove 19, be connected with valve plate 22.
As shown in the figure, be provided with valve rod connecting sleeve 8 in the upper end of valve body, flange connects support 10 in the lower end of valve rod connecting sleeve 8 is provided with, in valve rod connecting sleeve 8, be provided with upper valve rod 9, be provided with upper valve rod square groove 38 in the lower end of upper valve rod 9, middle valve rod upper end square plug 11 is inserted in the upper valve rod square groove 38, be connected with upper valve rod 9.
As shown in the figure, be provided with the square termination 43 of upper valve rod in the upper end of upper valve rod 9, be set with second bearing 44 in the upper end of upper valve rod 9, second bearing cap 42 is installed on second bearing 44; Be provided with a middle flange 12 in the upper end of valve body neck 35, by the 3rd bolt 13 middle flange 12 be connected support 10 with middle flange and fix.
As shown in the figure, be provided with upper flange in the upper end of valve rod connecting sleeve 8 and connect support 7, upper flange connects support 7 and is provided with upper flange 5; The upper end that connects support 7 at upper flange is provided with a valve cap 41, in valve cap 41, be provided with the 4th volute circle 39 and the 5th volute circle 40, be provided with weep hole 4 in the lower end of valve cap 41, valve cap 41 is provided with the valve cap lid 2 of an activity, middle part at valve cap lid 2 is provided with circular hole 1, with first bolt 3 valve cap lid 2 is fixed on the valve cap 41; With second bolt 6 whole valve cap 41 being fixed on upper flange connects on the support 7.
Described valve plate 22 uses rubber material to cover; Described valve body sprays one deck epoxide resin material within it, outward, to play anticorrosion, antirust effect.
Claims (2)
1, the directly buried type butterfly valve that under ground piping uses, it includes valve body (25), valve cap (41), upper flange connects support (7), middle flange connects support (10), valve rod connecting sleeve (8), upper valve rod (9), middle valve rod (14), valve plate (22), lower valve rod (30) major component, it is characterized in that: be provided with lower valve rod (30) in the lower end of valve body (25), the lower end of lower valve rod (30) is provided with gasket seal (27), with locking cap (28) lower valve rod (30) is connected with valve body (25), valve body (25) is provided with several flange bolt holes (26), (29), (33); In valve body (25), be provided with valve plate (22), be provided with valve plate matrix square groove (19) in the upper end of valve plate (22), be provided with valve plate matrix circular groove (31) in the lower end of valve plate (22), be provided with axle head lower sealing surface (23) in the lower end of valve plate (22), axle bed sealing surface (24), lower valve rod (30) is inserted in the valve plate lower end valve plate matrix circular groove (31), middle valve rod lower end square plug (20) is inserted in the valve plate matrix square groove (19) of valve plate upper end, be provided with sealing surface on the axle head (18) and sealing surface of seat (32) in the upper end of valve plate (22), in valve body neck (35), be provided with the first volute circle (15), the second volute circle (16), the 3rd volute circle (17), in valve body neck (35), be provided with a middle valve rod (14), on middle valve rod (14), be set with clutch shaft bearing (36), clutch shaft bearing lid (37) is installed on clutch shaft bearing (36), the top and bottom of middle valve rod (14) are square, middle valve rod lower end square plug (20) is inserted in the valve plate matrix square groove (19), be connected with valve plate (22); Be provided with valve rod connecting sleeve (8) in the upper end of valve body, flange connects support (10) in the lower end of valve rod connecting sleeve (8) is provided with, in valve rod connecting sleeve (8), be provided with upper valve rod (9), be provided with the square Baltimore groove of upper valve rod (38) in the lower end of upper valve rod (9), middle valve rod upper end square plug (11) is inserted in the upper valve rod square groove (38), be connected with upper valve rod (9); Be provided with the square termination of upper valve rod (43) in the upper end of upper valve rod (9), be set with second bearing (44), second bearing cap (42) is installed on second bearing (44) in the upper end of upper valve rod (9); Be provided with a middle flange (12) in the upper end of valve body neck (35), by the 3rd bolt (13) middle flange (12) be connected support (10) with middle flange and fix; Be provided with upper flange in the upper end of valve rod connecting sleeve (8) and connect support (7), upper flange connects support (7) and is provided with upper flange (5); The upper end that connects support (7) at upper flange is provided with a valve cap (41), in valve cap (41), be provided with the 4th volute circle (39) and the 5th volute circle (40), be provided with weep hole (4) in the lower end of valve cap (41), valve cap (41) is provided with the valve cap lid (2) of an activity, middle part at valve cap lid (2) is provided with circular hole (1), with first bolt (3) valve cap lid (2) is fixed on the valve cap (41); With second bolt (6) whole valve cap (41) being fixed on upper flange connects on the support (7).
2, the directly buried type butterfly valve of under ground piping use according to claim 1 is characterized in that: valve plate (22) uses rubber material to cover, and valve body (25) sprays one deck epoxide resin material within it, outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202097798U CN201314412Y (en) | 2008-11-18 | 2008-11-18 | Directly embedded butterfly valve for underground pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202097798U CN201314412Y (en) | 2008-11-18 | 2008-11-18 | Directly embedded butterfly valve for underground pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314412Y true CN201314412Y (en) | 2009-09-23 |
Family
ID=41126206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202097798U Expired - Fee Related CN201314412Y (en) | 2008-11-18 | 2008-11-18 | Directly embedded butterfly valve for underground pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314412Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390041A (en) * | 2014-11-18 | 2015-03-04 | 广东永泉阀门科技有限公司 | Underground valve connecting device |
| CN109737210A (en) * | 2019-01-24 | 2019-05-10 | 上海亚核阀业成套有限公司 | A kind of high-temperature molten salt pipeline valve |
-
2008
- 2008-11-18 CN CNU2008202097798U patent/CN201314412Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390041A (en) * | 2014-11-18 | 2015-03-04 | 广东永泉阀门科技有限公司 | Underground valve connecting device |
| CN109737210A (en) * | 2019-01-24 | 2019-05-10 | 上海亚核阀业成套有限公司 | A kind of high-temperature molten salt pipeline valve |
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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: 20090923 Termination date: 20101118 |