CN204328007U - Precision casting ship valve - Google Patents
Precision casting ship valve Download PDFInfo
- Publication number
- CN204328007U CN204328007U CN201420682967.8U CN201420682967U CN204328007U CN 204328007 U CN204328007 U CN 204328007U CN 201420682967 U CN201420682967 U CN 201420682967U CN 204328007 U CN204328007 U CN 204328007U
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- butterfly plate
- diameter
- valve
- seal channel
- sealing
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Abstract
The utility model discloses a kind of precision casting ship valve, comprise valve body, valve rod and butterfly plate, the center of described valve body is provided with passage, described valve body is provided with valve seat, described valve rod is connected with butterfly plate through described valve seat, described passage comprises by left-to-right the annular guiding slope connected successively, fluid passage, seal channel, the diameter of described fluid passage is identical with butterfly plate diameter, the diameter of described seal channel is greater than the diameter of butterfly plate, to accommodate internal diameter in described seal channel be butterfly plate diameter external diameter is the Sealing of seal channel diameter, the outside of described Sealing is provided with Sealing pressing plate, Sealing pressing plate is fixedly connected on valve body, described butterfly plate to be arranged in described seal channel and to coordinate with described Sealing, the valve rod hole passed for valve rod is provided with above described seal channel.The utility model aim to provide a kind of can ensure degree of vacuum and reduce corrosion precision casting ship valve.
Description
Technical field
The utility model relates to marine valve field, particularly a kind of precision casting ship valve that effectively can ensure degree of vacuum.
Background technique
Valve as the significant components controlling fluid flow, has different requirements in each field under different applied environments, and the peculiar to vessel vacuum butterfly valve vacuumized, except will ensureing effective sealing, can resist marine salt air corrosion particularly important.
Model utility content
The purpose of this utility model be to provide a kind of can ensure degree of vacuum and reduce corrosion precision casting ship valve.
The technological scheme that the utility model provides is: a kind of precision casting ship valve, comprise valve body, valve rod and butterfly plate, the center of described valve body is provided with passage, described valve body is provided with valve seat, described valve rod is connected with butterfly plate through described valve seat, described passage comprises by left-to-right the annular guiding slope connected successively, fluid passage, seal channel, the diameter of described fluid passage is identical with butterfly plate diameter, the diameter of described seal channel is greater than the diameter of butterfly plate, to accommodate internal diameter in described seal channel be butterfly plate diameter external diameter is the Sealing of seal channel diameter, the outside of described Sealing is provided with Sealing pressing plate, Sealing pressing plate is fixedly connected on valve body, described butterfly plate to be arranged in described seal channel and to coordinate with described Sealing, the valve rod hole passed for valve rod is provided with above described seal channel, stem packing is filled with in described valve rod hole, the gradient on described annular guiding slope is 40 ~ 50 °.
In above-mentioned precision casting ship valve, described butterfly plate both sides are equipped with four stiffening ribs extended to butterfly plate edge by butterfly plate center, and the angle of two adjacent stiffening ribs of butterfly plate the same side is 90 °.
In above-mentioned precision casting ship valve, the every side of described butterfly plate is equipped with a groove, and described groove is fixed with zinc ring.
In above-mentioned precision casting ship valve, described stem packing is from bottom to top followed successively by oil immersion asbestos packing filler, elastic rubber ring, graphite packing, felt seal filler, and the top of described felt seal filler is provided with pressing plate.
The utility model by annular guiding slope can prevent foreign matter as the salinity in air form solid salt in the duct after be stuck on butterfly plate, avoid sealing part abrasion, in order to strengthen the intensity of butterfly plate, be provided with stiffening rib thereon and the corrosion that zinc ring avoids butterfly plate is installed, improve sealing and corrosion resistance, in order to better ensure sealing and decay resistance, stem packing adopts oil immersion asbestos packing filler, elastic rubber ring, graphite packing, felt seal filler, first isolated air is carried out by oil immersion asbestos packing filler, prevent sea wind to the corrosion and ageing of elastic rubber ring, and elastic rubber ring completely cuts off air to greatest extent, the graphitic molecules of graphite packing is rolled on elastic rubber ring along with the sports bag of valve rod, graphite packing, felt seal filler completely cuts off entering of ambient air.
Accompanying drawing explanation
Fig. 1 is the sectional view of embodiment 1 of the present utility model;
Fig. 2 is the side view of embodiment 1 of the present utility model.
Embodiment
Below in conjunction with embodiment, the technical solution of the utility model is described in further detail, but does not form any restriction of the present utility model.
Embodiment 1
As shown in Figure 1 to Figure 2, a kind of precision casting ship valve, comprise valve body 1, valve rod 2 and butterfly plate 3, the center of described valve body 1 is provided with passage, described valve body 1 is provided with valve seat 11, described valve rod 2 is connected with butterfly plate 3 through described valve seat 11, described passage comprises by left-to-right the annular guiding slope 12 connected successively, fluid passage 13, seal channel 14, the diameter of described fluid passage 13 is identical with butterfly plate 3 diameter, the diameter of described seal channel 14 is greater than the diameter of butterfly plate 3, to accommodate internal diameter in described seal channel 14 be butterfly plate 3 diameter external diameter is the Sealing 15 of seal channel 14 diameter, the outside of the seal 15 preferably arranges a Sealing pressing plate 16, Sealing pressing plate 16 is fixedly connected on valve body 1, described butterfly plate 3 to be arranged in described seal channel 14 and to coordinate with described Sealing 15, the valve rod hole 17 passed for valve rod 2 is provided with above described seal channel 14, stem packing is filled with in described valve rod hole 17, the gradient on described annular guiding slope 12 is 45 °, described butterfly plate 3 both sides are equipped with four stiffening ribs 31 extended to butterfly plate 3 edge by butterfly plate 3 center, the angle of two adjacent stiffening ribs 31 of butterfly plate 3 the same side is 90 °, the every side of described butterfly plate 3 is equipped with a groove, described groove is fixed with zinc ring 32, described stem packing is from bottom to top followed successively by oil immersion asbestos packing filler 41, elastic rubber ring 42, graphite packing 43, felt seal filler 44, the top of described felt seal filler 44 is provided with pressing plate 45, oil immersion asbestos packing filler 41 specifically, elastic rubber ring 42, graphite packing 43, the thickness proportion of felt seal filler 44 is 1:0.5 ~ 0.8:2 ~ 3:4 ~ 6, by the stem packing of this structure compared to common oil immersion asbestos packing filler 41, its sealability is excellent, it is mainly because the sealing of elastic rubber ring 42 is contributed, and oil immersion asbestos packing filler 41 has completely cut off gas in pipeline to the corrosion of elastic rubber ring 42, felt seal filler 44 avoids the corrosion of ambient air to elastic rubber ring 42.
The gradient on annular guiding slope 12 is 45 °, enable the solid particle at edge, fluid passage 13 along with the flowing of air is to the central flows of fluid passage 13, flow direction is by fluid passage 13 to seal channel 14, prevent the upper limb of butterfly plate 3 and lower edge from blocking salt grain, this effect is the most obvious in the starting stage vacuumized.
Above-describedly be only preferred embodiment of the present utility model, all do in spirit of the present utility model and spirit any amendment, equivalently to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a precision casting ship valve, comprise valve body, valve rod and butterfly plate, the center of described valve body is provided with passage, described valve body is provided with valve seat, described valve rod is connected with butterfly plate through described valve seat, it is characterized in that, described passage comprises by left-to-right the annular guiding slope connected successively, fluid passage, seal channel, the diameter of described fluid passage is identical with butterfly plate diameter, the diameter of described seal channel is greater than the diameter of butterfly plate, the Sealing that internal diameter is butterfly plate diameter is accommodated in described seal channel, the outside of described Sealing is provided with Sealing pressing plate, described butterfly plate to be arranged in described seal channel and to coordinate with described Sealing, the valve rod hole passed for valve rod is provided with above described seal channel, stem packing is filled with in described valve rod hole, the gradient on described annular guiding slope is 40 ~ 50 °.
2. precision casting ship valve according to claim 1, is characterized in that, described butterfly plate both sides are equipped with four stiffening ribs extended to butterfly plate edge by butterfly plate center, and the angle of two adjacent stiffening ribs of butterfly plate the same side is 90 °.
3. precision casting ship valve according to claim 1, is characterized in that, the every side of described butterfly plate is equipped with a groove, and described groove is fixed with zinc ring.
4. precision casting ship valve according to claim 1, it is characterized in that, described stem packing is from bottom to top followed successively by oil immersion asbestos packing filler, elastic rubber ring, graphite packing, felt seal filler, and the top of described felt seal filler is provided with pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682967.8U CN204328007U (en) | 2014-11-14 | 2014-11-14 | Precision casting ship valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682967.8U CN204328007U (en) | 2014-11-14 | 2014-11-14 | Precision casting ship valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328007U true CN204328007U (en) | 2015-05-13 |
Family
ID=53164368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420682967.8U Active CN204328007U (en) | 2014-11-14 | 2014-11-14 | Precision casting ship valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204328007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701732A (en) * | 2017-11-03 | 2018-02-16 | 中船黄埔文冲船舶有限公司 | A kind of anti-corrosion stop valve |
| CN110375078A (en) * | 2018-04-12 | 2019-10-25 | Cla-Val公司 | The method of supply equipment valve gear and molded valve body |
-
2014
- 2014-11-14 CN CN201420682967.8U patent/CN204328007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701732A (en) * | 2017-11-03 | 2018-02-16 | 中船黄埔文冲船舶有限公司 | A kind of anti-corrosion stop valve |
| CN110375078A (en) * | 2018-04-12 | 2019-10-25 | Cla-Val公司 | The method of supply equipment valve gear and molded valve body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |