CN204922144U - Swage covers combined material three -way control valve of sand technology preparation - Google Patents
Swage covers combined material three -way control valve of sand technology preparation Download PDFInfo
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- CN204922144U CN204922144U CN201520666483.9U CN201520666483U CN204922144U CN 204922144 U CN204922144 U CN 204922144U CN 201520666483 U CN201520666483 U CN 201520666483U CN 204922144 U CN204922144 U CN 204922144U
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- stainless steel
- control valve
- way control
- cast iron
- valve body
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Abstract
The utility model discloses a swage covers combined material three -way control valve of sand technology preparation, including cast iron valve body, stainless steel layer and nonrust steel ring, the inlayer is stainless steel material to resisting the fluidic and corroding, the skin is cast iron material, as the base member of valve body, provides structure support power, stainless steel layer and cast iron valve body are that the casting is connected, have higher connection power, set up the nonrust steel ring that has certain thickness on the basis on stainless steel layer, further improved the anti -corrosion performance of sealed department, thereby make above -mentioned three -way control valve have higher anti -corrosion performance and lower manufacturing cost concurrently, life is higher.
Description
Technical field
The utility model relates to valve technology field, especially relates to the composite material three-way control valve that a kind of device for sand coated iron mould technique makes.
Background technique
The valve body of existing three-way control valve, mostly be adopt cast iron materials by casting integrated shaping, because the corrosion resistance of cast iron is lower, and sealing place in three-way control valve exists the mutual fricting movement of Sealing and valve body, the valve body of above-mentioned sealing place is very easily corroded, make to produce gap between Sealing and valve body, cause poorly sealed, even seal failure, causes gas leakage or leakage, causes the working life of three-way control valve shorter.
Therefore, how to provide a kind of corrosion resistance high, not easily cause seal failure because of corrosion, and then the three-way control valve with higher working life is the technical problem that those skilled in the art need solution badly.
Model utility content
It is high that the purpose of this utility model is to provide a kind of corrosion resistance, not easily causes seal failure because of corrosion, have the three-way control valve in higher working life.
For solving above-mentioned technical problem, the technological scheme that the utility model provides is:
The composite material three-way control valve that device for sand coated iron mould technique makes, comprises cast iron valve body, and described cast iron valve body comprises two, left and right tortuous passageway and is positioned at the beeline channel of below,
Article two, described tortuous passageway and described beeline channel form a cavity be interconnected,
The surface casting of described cast iron valve body inner cavity is connected with stainless steel lining;
Article two, the vertical side of the joint of described tortuous passageway is provided with groove, and in described groove, casting is connected with stainless steel coil.
Preferably, described stainless steel lining is 316L stainless steel lining, and described stainless steel coil is 316L stainless steel coil.
Preferably, the thickness of described stainless steel lining is 2mm ~ 4mm.
Preferably, the external diameter of described stainless steel coil and the difference of internal diameter are 5mm ~ 7mm.
Preferably, described cast iron valve body is spheroidal graphite cast iron valve body.
Advantageous Effects of the present utility model:
1. the composite material three-way control valve that provides of the utility model, made by device for sand coated iron mould technique, sand mold bulk strength is high, indeformable, and its adaptability is extensive, the easy demoulding of foundry goods, and location is reliable, and precision is high; The casting dimension accuracy obtained is high, machining allowance is little, dense structure, be particularly suitable for the production of spheroidal graphite cast iron, produce spheroidal graphite cast iron time the graphitization expansion of spheroidal graphite cast iron can be utilized to carry out from feeding foundry goods---realize spheroidal graphite cast iron less, no-riser casting, obtain premium casting.
2. the composite material three-way control valve that provides of the utility model, made by stainless steel and cast iron bi-material, internal layer is stainless steel material, to resist the corrosion of fluid, skin is cast iron materials, as the matrix of valve body, structural support is provided, both good anticorrosion ability had been achieved, improve the anti-corrosion capability of three-way control valve, the three-way control valve being stainless steel relative to entirety again saves a large amount of stainless steel material, makes above-mentioned three-way control valve with higher Corrosion Protection and lower cost of production, economic and practical.
3. the composite material three-way control valve that provides of the utility model, first make stainless steel lining by device for sand coated iron mould technique, and then on the outer surface of stainless steel lining, make cast iron valve body by device for sand coated iron mould technique, stainless steel lining and cast iron valve body is made to be that casting is connected, relatively other coating anti-corrosion layer, is therebetween metallurgical connection, has higher attachment force, not easily peel off, working life is longer.
4. in view of sealing place in three-way control valve exists the mutual fricting movement of Sealing and valve body, the valve body of above-mentioned sealing place is more easily corroded relative to all the other positions, make to produce gap between Sealing and valve body, cause poorly sealed, even seal failure, the composite material three-way control valve that the utility model provides is provided with groove on the vertical side of the joint of two described tortuous passageway, in groove, casting is connected with stainless steel coil, keypoint part emphasis is strengthened, the basis of stainless steel lining is arranged there is certain thickness stainless steel coil, further increase the Corrosion Protection of sealing place, the Corrosion Protection on valve body inner cavity surface is reached unanimity, there is not the weak spot be corroded, thus improve the working life of three-way control valve.
Accompanying drawing explanation
The structural representation of the composite material three-way control valve that Fig. 1 provides for the utility model embodiment.
In figure: 1 cast iron valve body, 2 tortuous passageway, 3 beeline channels, 4 stainless steel linings, 5 stainless steel coils.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " axis ", " radial direction ", " longitudinal direction ", " transverse direction ", " length ", " width ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
With reference to the structural representation of the composite material three-way control valve that Fig. 1, Fig. 1 provide for the utility model embodiment.
The utility model provides the composite material three-way control valve that a kind of device for sand coated iron mould technique makes, and comprises cast iron valve body 1, and cast iron valve body 1 comprises two, left and right tortuous passageway 2 and is positioned at the beeline channel 3 of below,
Article two, tortuous passageway 2 and beeline channel 3 form a cavity be interconnected,
The surface casting of cast iron valve body 1 inner cavity is connected with stainless steel lining 4;
Article two, the vertical side of the joint of tortuous passageway 2 is provided with groove, and in groove, casting is connected with stainless steel coil 5.
In an embodiment of the present utility model, above-mentioned stainless steel lining 4 is 316L stainless steel lining 4, and stainless steel coil 5 is 316L stainless steel coil 5.
In an embodiment of the present utility model, the thickness of stainless steel lining 4 is 2mm ~ 4mm.
In an embodiment of the present utility model, the external diameter of stainless steel coil 5 and the difference of internal diameter are 5mm ~ 7mm.
In an embodiment of the present utility model, cast iron valve body 1 is spheroidal graphite cast iron valve body.
The composite material three-way control valve that the utility model provides, is made by device for sand coated iron mould technique, and sand mold bulk strength is high, indeformable, and its adaptability is extensive, the easy demoulding of foundry goods, and location is reliable, and precision is high; The casting dimension accuracy obtained is high, machining allowance is little, dense structure, be particularly suitable for the production of spheroidal graphite cast iron, produce spheroidal graphite cast iron time the graphitization expansion of spheroidal graphite cast iron can be utilized to carry out from feeding foundry goods---realize spheroidal graphite cast iron less, no-riser casting, obtain premium casting.
The composite material three-way control valve that the utility model provides, made by stainless steel and cast iron bi-material, internal layer is stainless steel material, to resist the corrosion of fluid, skin is cast iron materials, as the matrix of valve body, structural support is provided, both good anticorrosion ability had been achieved, improve the anti-corrosion capability of three-way control valve, the three-way control valve being stainless steel relative to entirety again saves a large amount of stainless steel material, makes above-mentioned three-way control valve with higher Corrosion Protection and lower cost of production, economic and practical.
The composite material three-way control valve that the utility model provides, first make stainless steel lining 4 by device for sand coated iron mould technique, and then on the outer surface of stainless steel lining 4, make cast iron valve body 1 by device for sand coated iron mould technique, stainless steel lining 4 and cast iron valve body 1 is made to be that casting is connected, relatively other coating anti-corrosion layer, is therebetween metallurgical connection, has higher attachment force, not easily peel off, working life is longer.
In view of sealing place in three-way control valve exists the mutual fricting movement of Sealing and valve body, the valve body of above-mentioned sealing place is more easily corroded relative to all the other positions, make to produce gap between Sealing and valve body, cause poorly sealed, even seal failure, the composite material three-way control valve that the utility model provides is provided with groove on the vertical side of the joint of two described tortuous passageway 2, in groove, casting is connected with stainless steel coil 5, keypoint part emphasis is strengthened, the basis of stainless steel lining 4 is arranged there is certain thickness stainless steel coil 5, further increase the Corrosion Protection of sealing place, the Corrosion Protection on valve body inner cavity surface is reached unanimity, there is not the weak spot be corroded, thus improve the working life of three-way control valve.
Working process is: first make the upper and lower swage with precoated sand; Then, make the core corresponding with three-way control valve inner cavity shape, in mandrel molding process, the stainless steel coil 5 being 6mm by the difference of external diameter and internal diameter is placed on target location, on the vertical side of the joint of two tortuous passageway 2 of the cast iron valve body 1 stainless steel coil 5 being positioned at finally obtain; Then, core is placed in lower swage, leaves casting space; Then, closed upper and lower swage, casting stainless steel liquation, cooling, obtains the thick stainless steel lining of 3mm 4; Then, make the upper and lower swage that the second subband has precoated sand, the above-mentioned stainless steel lining 4 being enclosed with core is placed in the lower swage in the second secondary swage, leave casting space; Then, the upper and lower swage of closed second pair, casting metal, cooling, sand removal, obtains the three-way control valve of final composite material.
The method and apparatus of the not detailed description of the utility model is prior art, repeats no more.
Apply specific embodiment herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (5)
1. a composite material three-way control valve for device for sand coated iron mould technique making, is characterized in that, comprise cast iron valve body, and described cast iron valve body comprises two, left and right tortuous passageway and is positioned at the beeline channel of below,
Article two, described tortuous passageway and described beeline channel form a cavity be interconnected,
The surface casting of described cast iron valve body inner cavity is connected with stainless steel lining;
Article two, the vertical side of the joint of described tortuous passageway is provided with groove, and in described groove, casting is connected with stainless steel coil.
2. composite material three-way control valve according to claim 1, is characterized in that, described stainless steel lining is 316L stainless steel lining, and described stainless steel coil is 316L stainless steel coil.
3. composite material three-way control valve according to claim 2, is characterized in that, the thickness of described stainless steel lining is 2mm ~ 4mm.
4. composite material three-way control valve according to claim 3, is characterized in that, the external diameter of described stainless steel coil and the difference of internal diameter are 5mm ~ 7mm.
5. composite material three-way control valve according to claim 1, is characterized in that, described cast iron valve body is spheroidal graphite cast iron valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666483.9U CN204922144U (en) | 2015-08-31 | 2015-08-31 | Swage covers combined material three -way control valve of sand technology preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666483.9U CN204922144U (en) | 2015-08-31 | 2015-08-31 | Swage covers combined material three -way control valve of sand technology preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922144U true CN204922144U (en) | 2015-12-30 |
Family
ID=54971273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666483.9U Expired - Fee Related CN204922144U (en) | 2015-08-31 | 2015-08-31 | Swage covers combined material three -way control valve of sand technology preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922144U (en) |
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2015
- 2015-08-31 CN CN201520666483.9U patent/CN204922144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180504 Address after: 054800 Jiaozhuang village, Qinghe County oil town, Xingtai, Hebei Patentee after: Qinghe County Jin Guang engineering machinery accessories factory Address before: 054900 west side of Su Lin Road, Linxi Canal Industrial Park, Xingtai, Hebei Patentee before: HEBEI KUMA HYDRAULIC MACHINERY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210831 |