CN214171450U - A casing and fixed ball valve for fixing ball valve - Google Patents
A casing and fixed ball valve for fixing ball valve Download PDFInfo
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- CN214171450U CN214171450U CN202022827191.2U CN202022827191U CN214171450U CN 214171450 U CN214171450 U CN 214171450U CN 202022827191 U CN202022827191 U CN 202022827191U CN 214171450 U CN214171450 U CN 214171450U
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- valve body
- die
- ball valve
- supporting seat
- welded
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- 238000005242 forging Methods 0.000 claims abstract description 24
- 238000007723 die pressing method Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a casing for a fixed ball valve and a fixed ball valve, wherein the casing for the fixed ball valve comprises a main valve body and two auxiliary valve bodies symmetrically arranged about the main valve body, one auxiliary valve body is welded at the left end of the main valve body, and the other auxiliary valve body is welded at the right end of the main valve body; the auxiliary valve body is a die forging flange, and the part of the main valve body, which is used for being welded with the auxiliary valve body, is a die pressing pipe. The utility model discloses have casting and ordinary advantage between them of forging concurrently, and the defect is few, the processing load is few, material utilization is high.
Description
Technical Field
The utility model relates to a casing and fixed ball valve for fixed ball valve.
Background
The shell of the conventional fixed ball valve is mainly cast and forged, and various casting defects are inevitably generated due to the casting process, wherein most of the defects influence the strength and bring hidden troubles to the use of the valve. The forging structure is changed to solve the defects of a valve body and an auxiliary valve body of a shell of the fixed ball valve, but the manufacturing cost is higher, the mass production is not facilitated, the problem of leakage points of the valve is not solved to the maximum extent, when the caliber of the fixed ball valve is larger, the difficulty of integral die forging is very large, more allowance needs to be reserved, and the integral die forging cost can be very high along with the further increase of the caliber.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a casing for fixing ball valve, it has casting and ordinary advantage forging between them concurrently, and the defect is few, and the processingquantity is few, material utilization is high.
In order to solve the technical problem, the technical scheme of the utility model is that: a shell for fixing a ball valve comprises a main valve body and two auxiliary valve bodies symmetrically arranged about the main valve body, wherein one auxiliary valve body is welded at the left end of the main valve body, and the other auxiliary valve body is welded at the right end of the main valve body; wherein,
the auxiliary valve body is a die forging flange, and the part of the main valve body, which is used for being welded with the auxiliary valve body, is a die pressing pipe.
Further provided is a concrete structure of a main valve body, which comprises a bearing seat group and two die-pressing pipes symmetrically arranged about the bearing seat group; wherein,
the supporting seat group comprises an upper supporting seat and a lower supporting seat which are arranged in parallel up and down;
one mould pressing pipe is welded at the left ends of the upper supporting seat and the lower supporting seat, the other mould pressing pipe is welded at the right ends of the upper supporting seat and the lower supporting seat, and the two mould pressing pipes and the supporting seats form a spherical cavity together.
Further in order to conveniently guarantee the coaxiality of the two die-pressing pipes and facilitate the welding between the die-pressing pipes and the supporting seat group, the seam allowance structures are respectively arranged between the two die-pressing pipes and the supporting seat group.
Furthermore, a welding slope convenient for welding the die pressing pipe and the supporting seat group is arranged at the end, close to the supporting seat group, of the die pressing pipe.
Furthermore, the end of the auxiliary valve body close to the main valve body extends into the corresponding mould pressing pipe.
In order to further enhance the welding strength between the auxiliary valve body and the corresponding mould pressing pipe, the peripheral wall of the part of the auxiliary valve body extending into the corresponding mould pressing pipe is welded with the peripheral wall of the corresponding mould pressing pipe;
the peripheral wall of the part of the auxiliary valve body which does not extend into the corresponding mould pressing pipe is welded with the end of the auxiliary valve body close to the corresponding mould pressing pipe.
In order to further limit the length of the auxiliary valve body extending into the corresponding die pressing pipe and fix the position between the auxiliary valve body and the corresponding die pressing pipe before welding, the outer peripheral wall of the auxiliary valve body is provided with a step for abutting against the end, close to the auxiliary valve body, of the corresponding die pressing pipe.
Further, the die-forging pipe is formed by die pressing of a steel pipe, and the die-forging flange is formed by die forging of a flange.
Further, be equipped with the axle mounting hole on upper bracket and the lower bearing seat respectively, the axle mounting hole coaxial setting on upper bracket and the lower bearing seat, and the internal diameter equals.
The utility model also provides a fixed ball valve, it is including the casing that is used for fixed ball valve.
After the technical scheme is adopted, the utility model provides a casing for fixing ball valve adopts the assembly welding structure of die-forging pipe and die forging flange, and blank output is big, does not have the defect basically, and the work load is few moreover, material utilization is high, and then makes the casing for fixing ball valve have casting and ordinary advantage forging between them concurrently, is fit for batch production.
Drawings
Fig. 1 is a schematic structural diagram of a housing for a fixed ball valve according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example one
As shown in fig. 1, a housing for fixing a ball valve includes a main valve body and two sub valve bodies symmetrically disposed with respect to the main valve body, one sub valve body being welded to a left end of the main valve body, the other sub valve body being welded to a right end of the main valve body; wherein,
the auxiliary valve body is a die forging flange 1, and the part of the main valve body, which is used for being welded with the auxiliary valve body, is a die pressing pipe 2.
In the present embodiment, the die-forged pipe 2 is formed by die-forging a steel pipe, and the die-forged flange 1 is formed by flange die-forging.
Specifically, the utility model provides a casing for fixing ball valve adopts the assembly welding structure of die-forging pipe 2 and die forging flange 1, and blank output is big, does not have the defect basically, and the work load is few moreover, material utilization is high, and then makes the casing for fixing ball valve have casting and ordinary advantage forging between them concurrently, is fit for batch production.
As shown in fig. 1, the main valve body includes a seat group and two die-pressed tubes 2 symmetrically arranged about the seat group; wherein,
the supporting seat group comprises an upper supporting seat 3 and a lower supporting seat 4 which are arranged in parallel up and down;
one molded pressure pipe 2 is welded at the left ends of the upper supporting seat 3 and the lower supporting seat 4, the other molded pressure pipe 2 is welded at the right ends of the upper supporting seat 3 and the lower supporting seat 4, and the two molded pressure pipes 2 and the supporting seats jointly enclose a spherical cavity.
In this embodiment, the upper bearing seat 3 and the lower bearing seat 4 are respectively provided with a shaft mounting hole 5, and the shaft mounting holes 5 on the upper bearing seat 3 and the lower bearing seat 4 are coaxially arranged and have the same inner diameter.
As shown in fig. 1, in order to ensure the coaxiality of the two mold pressing pipes 2 and facilitate the welding between the mold pressing pipes 2 and the supporting seat group, a seam allowance structure is respectively arranged between the two mold pressing pipes 2 and the supporting seat group.
As shown in fig. 1, a welding slope facilitating welding between the die pressing pipe 2 and the supporting seat set is provided at the end of the die pressing pipe close to the supporting seat set.
As shown in fig. 1, the sub-valve body has its main valve body end near to the main valve body end protruding into the corresponding molded tube 2.
As shown in fig. 1, in order to enhance the welding strength between the sub-valve body and the corresponding mold pipe 2, the outer peripheral wall of the portion of the sub-valve body protruding into the corresponding mold pipe 2 is welded to the inner peripheral wall of the corresponding mold pipe 2;
the peripheral wall of the part of the auxiliary valve body, which does not extend into the corresponding mould pressing pipe 2, is welded with the end, close to the auxiliary valve body, of the corresponding mould pressing pipe 2.
As shown in fig. 1, in order to make it possible to limit the length of the sub-valve body protruding into the corresponding die tube 2 and to facilitate fixing of the position between the sub-valve body and the corresponding die tube 2 before welding, the outer peripheral wall of the sub-valve body is provided with a step for abutting against the end of the sub-valve body near the corresponding die tube 2.
Example two
A fixed ball valve comprising a housing for a fixed ball valve as described in embodiment one.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A shell for fixing a ball valve is characterized in that,
the valve comprises a main valve body and two auxiliary valve bodies symmetrically arranged relative to the main valve body, wherein one auxiliary valve body is welded at the left end of the main valve body, and the other auxiliary valve body is welded at the right end of the main valve body; wherein,
the auxiliary valve body is a die forging flange (1), and the part of the main valve body, which is used for being welded with the auxiliary valve body, is a die pressing pipe (2).
2. A housing for a fixed ball valve as defined in claim 1,
the main valve body comprises a bearing seat group and two die pressing pipes (2) which are symmetrically arranged relative to the bearing seat group; wherein,
the supporting seat group comprises an upper supporting seat (3) and a lower supporting seat (4) which are arranged in parallel up and down;
one mould pressing pipe (2) is welded at the left ends of the upper supporting seat (3) and the lower supporting seat (4), the other mould pressing pipe (2) is welded at the right ends of the upper supporting seat (3) and the lower supporting seat (4), and the two mould pressing pipes (2) and the supporting seats form a spherical cavity together.
3. A housing for a fixed ball valve as defined in claim 2,
and seam allowance structures are respectively arranged between the two die pressing pipes (2) and the supporting seat group.
4. A housing for a fixed ball valve as defined in claim 2,
and a welding slope convenient for welding the die pressing pipe (2) and the supporting seat group is arranged at the end close to the supporting seat group.
5. A housing for a fixed ball valve as defined in claim 1,
the end of the auxiliary valve body close to the main valve body extends into the corresponding mould pressing pipe (2).
6. A housing for a fixed ball valve as defined in claim 5,
the outer peripheral wall of the part of the auxiliary valve body extending into the corresponding mould pressing pipe (2) is welded with the inner peripheral wall of the corresponding mould pressing pipe (2);
the peripheral wall of the part of the auxiliary valve body, which does not extend into the corresponding mould pressing pipe (2), is welded with the end, close to the auxiliary valve body, of the corresponding mould pressing pipe (2).
7. A housing for a fixed ball valve as defined in claim 5,
the peripheral wall of the auxiliary valve body is provided with a step which is used for abutting against the end, close to the auxiliary valve body, of the corresponding die pressing pipe (2).
8. A housing for a fixed ball valve as defined in claim 1,
the die-forging flange is characterized in that the die-forging pipe (2) is formed by die-pressing a steel pipe, and the die-forging flange (1) is formed by die-forging a flange.
9. A housing for a fixed ball valve as defined in claim 2,
and the upper bearing seat (3) and the lower bearing seat (4) are respectively provided with a shaft mounting hole (5), the shaft mounting holes (5) on the upper bearing seat (3) and the lower bearing seat (4) are coaxially arranged, and the inner diameters of the shaft mounting holes are equal.
10. A fixed ball valve is characterized in that,
comprising a housing for a ball valve according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827191.2U CN214171450U (en) | 2020-11-30 | 2020-11-30 | A casing and fixed ball valve for fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827191.2U CN214171450U (en) | 2020-11-30 | 2020-11-30 | A casing and fixed ball valve for fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214171450U true CN214171450U (en) | 2021-09-10 |
Family
ID=77603061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827191.2U Active CN214171450U (en) | 2020-11-30 | 2020-11-30 | A casing and fixed ball valve for fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214171450U (en) |
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2020
- 2020-11-30 CN CN202022827191.2U patent/CN214171450U/en active Active
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