CN205781000U - The built-in spherical all-welded ball valve of many valve seats - Google Patents
The built-in spherical all-welded ball valve of many valve seats Download PDFInfo
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- CN205781000U CN205781000U CN201620508939.3U CN201620508939U CN205781000U CN 205781000 U CN205781000 U CN 205781000U CN 201620508939 U CN201620508939 U CN 201620508939U CN 205781000 U CN205781000 U CN 205781000U
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- bearing block
- spherical
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- 238000003466 welding Methods 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 10
- 238000005242 forging Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
This utility model relates to the built-in spherical all-welded ball valve of many valve seats, including left valve barrel, right valve barrel, valve rod, spheroid and valve seat, the inner face butt welding of the inner face of left valve barrel and right valve barrel connects and composes the valve body of ball valve, and spheroid is located in valve body, and valve rod is connected through body top with spheroid；Valve seat is located between valve body and spheroid；The upstream and downstream of ball valve is provided with 2 or 3 valve seats.This utility model has and only two weld seams, improves the safety of valve；Upstream and downstream all has multiple valve seat, and each valve seat is relatively independent, greatly improves the sealing reliability of valve, extends valve service life；Valve body main weld all uses " butt welding " to weld with gland weld seam, it is to avoid produced by T-shaped weld seam, stress collection neutralizes weld defect.
Description
Technical field
This utility model relates to valve technology field, particularly relates to a kind of built-in many valve seats spherical
All-welded ball valve.
Background technology
As shown in Figure 1, existing welding ball valve, mainly by left body, valve body, valve rod, valve
Seat, alignment pin, bearing block, spheroid etc. form, and its shortcoming is as follows: the most existing welding ball valve
Single valve seat structure, i.e. upstream and downstream is used all to only have 1 valve seat, and the valve seat of all-welded ball valve
Generally can not change, unless valve body is cut, so, when valve seat damage late gate
Seal failure, repairs the most difficult, and the sealing reliability of valve seat has much room for improvement；The most existing ellipsoid
Structure all-welded ball valve gland uses T-shaped weld seam (as shown in Figure 4), weld stress with valve body
Concentrate；The most existing all-welded ball valve valve body uses tubular construction or ellipsoid structure, and its blank is equal
Using open die forging molding, allowance is big, takes material time-consuming；The most existing all-welded ball valve has three
Bar and above weld seam, reduce valve reliability.
Utility model content
This utility model aims to provide a kind of built-in spherical all-welded ball valve of many valve seats, greatly
Improve the sealing reliability of valve and the safety of valve.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
A kind of built-in spherical all-welded ball valve of many valve seats, including left valve barrel, right valve barrel, valve rod,
Spheroid and valve seat, the inner face of described left valve barrel connects and composes ball with the inner face butt welding of right valve barrel
The valve body of valve, described spheroid is located in valve body, and described valve rod is connected through body top with spheroid；
Described valve seat is located between valve body and spheroid；The upstream and downstream of ball valve is provided with 2 or 3
Individual valve seat.
Further, the annular bearing block for fixing spheroid and and axle it are provided with in described valve body
The bearing block support that bearing coordinates, described bearing block support is affixed with valve interior wall, described left valve
The upper and lower of body and right valve barrel is equipped with bearing block support, the bearing block on described left valve barrel
Supporting is arranged with the axisymmetrical of valve rod with the bearing block support on right valve barrel, and described bearing block leads to
Crossing alignment pin affixed with bearing block support, described valve seat is positioned at inside bearing block support.
Further, described body base connects base, and described valve body sets with the junction of base
There is backing plate.
Preferably, the inner surface of described backing plate is fitted with valve outer surface.Backing plate makes valve be subject to
Power is more uniform, eliminates the stress between base and valve body and concentrates.
Preferably, described left valve barrel and right valve barrel are hemispherical shell.
Further, described backing plate is provided with 4 the most at equal intervals.
Further, described valve body is arranged over gland, the bottom surface of gland and the end face pair of valve body
Weldering connects, and described valve rod sequentially passes through gland and body top is connected with spheroid.
Further, being connected with tie-plate above described gland, described valve rod sequentially passes through connection
Dish, gland and body top are connected with spheroid.
Further, described left valve barrel and right valve barrel use multi-ram forging one-shot forming.Make valve body
Shape and size to greatest extent close to the forging of fabricated part size, thus significantly improve zero
The stock utilization of part, and help its mechanical property of raising.
Further, described bearing block support built-up welding molding.
Further, described bearing block support uses 3D NC laser welding technology built-up welding molding.
Bearing block support uses 3D digital control laser built-up welding molding, and postwelding stress relief annealing processes, it is to avoid
Manual welding instability problem, welding quality is good, improves the bearing capacity of bearing block support,
And relative to machining molding, it is greatly saved material.
Compared with prior art, this utility model has the advantages that
1. this all-welded ball valve of this utility model has and only two weld seams, improves the peace of valve
Quan Xing；
2. this utility model breaches traditional structure in the structure of valve seat, i.e. uses many valve seats
Structure, i.e. upstream and downstream all have multiple valve seat, and each valve seat is relatively independent, and conventional full welding
Ball valve all uses single valve seat structure, i.e. upstream and downstream all to only have 1 valve seat, compares the single valve of routine
Holder structure, greatly improves the sealing reliability of valve, extends valve service life；
3. valve body main weld all uses " butt welding " to weld with gland weld seam, it is to avoid T-shaped weld seam
Produced stress collection neutralizes weld defect；
The most left and right valve body uses multi-ram forging one-shot forming, helps its mechanical property of raising, with
Time make the shape and size of valve body to greatest extent close to the forging of fabricated part size, thus aobvious
Write the stock utilization improving part；
5. bearing block support uses 3D digital control laser built-up welding molding, and postwelding stress relief annealing processes,
Avoid manual welding instability problem, improve the bearing capacity of bearing block support, and relatively
In machining molding, it is greatly saved material.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structural representation of backing plate；
Fig. 4 is the structural representation of T-shaped weld seam；
Fig. 5 is the structural representation of butt weld；
In figure: 1-left valve barrel, 2-tie-plate, 3-gland, 4-valve rod, 5-right valve barrel, 6-
Bearing block support, 7-valve seat, 8-alignment pin, 9-bearing block, 10-base, 11-backing plate, 12-
Spheroid, 13-main weld, 14-gland weld seam, 15-valve body, the left body of 16-.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below
In conjunction with accompanying drawing, this utility model is further elaborated.
As in figure 2 it is shown, the built-in spherical all-welded ball valve of many valve seats disclosed in this utility model,
Including left valve barrel 1, right valve barrel 5, valve rod 4, spheroid 12 and valve seat 7, left valve barrel 1 interior
The inner face butt welding of end face and right valve barrel 5 connects and composes the valve body 15 of ball valve, as it is shown in figure 5,
Docking welding avoids stress collection produced by T-shaped weld seam and neutralizes weld defect.Spheroid 12 sets
In valve body 15, valve rod 4 is connected through valve body 15 top with spheroid 12.Valve body 15 top
The manhole penetrated for valve rod 4, valve rod 4 is had to be connected through manhole with spheroid 12.
Valve seat 7 is located between valve body 15 and spheroid 12；The upstream and downstream of ball valve is provided with 2
Or 3 valve seats 7.
Further, be provided with in valve body 15 for fix spheroid 12 annular bearing block 9 and
The bearing block support 6 coordinated with bearing block 9, bearing block support 6 is affixed with valve body 15 inwall,
The upper and lower of left valve barrel 1 and right valve barrel 5 is equipped with bearing block support 6, on left valve barrel 1
Bearing block support 6 set with the axisymmetrical of valve rod 4 with the bearing block support 6 on right valve barrel 5
Putting, bearing block 9 is affixed with bearing block support 6 by alignment pin 8, and valve seat 7 is positioned at bearing block
Inside supporting 6.
Further, valve body 15 is arranged over gland 3, the bottom surface of gland 3 and valve body 15
End face butt welding connects, and valve rod 4 sequentially passes through gland 3 and valve body 15 top is connected with spheroid 12.
Further, above gland 3, be connected with tie-plate 2, valve rod 4 sequentially pass through tie-plate 2,
Gland 3 and valve body 15 top are connected with spheroid 12.
Preferably, left valve barrel 1 and right valve barrel 5 are hemispherical shell.Further, left valve
Body 1 and right valve barrel 5 use multi-ram forging one-shot forming.
Further, base 10 is connected bottom valve body 15.Use straight between existing valve body and base
Connecing and be welded to connect, the weight of valve directly acts on the supporting rib of the least area, affects valve
The overall stress of body.Preferably, valve body is provided with backing plate 11, backing plate with the junction of base 10
The inner surface of 11 is fitted with valve outer surface.Owing to one end of left valve barrel 1 and right valve barrel 5 is equal
For hemispherical shell, so the inner surface of backing plate 11 is sphere, further, such as Fig. 3 institute
Showing, backing plate 11 is provided with 4 the most at equal intervals.Further, bearing block support 6
Built-up welding molding.Further, bearing block support 6 uses 3D NC laser welding technology built-up welding
Molding.
Certainly, this utility model also can have other numerous embodiments, new without departing substantially from this practicality
In the case of type spirit and essence thereof, those of ordinary skill in the art can be according to this utility model
Make various corresponding change and deformation, but these change accordingly and deformation all should belong to this reality
By novel appended scope of the claims.
Claims (10)
1. the built-in spherical all-welded ball valve of many valve seats, it is characterised in that: include left valve barrel
(1), right valve barrel (5), valve rod (4), spheroid (12) and valve seat (7), described left valve barrel
(1) the inner face butt welding of inner face and right valve barrel (5) connects and composes the valve body (15) of ball valve,
Described spheroid (12) is located in valve body (15), and described valve rod (4) passes valve body (15)
Top is connected with spheroid (12)；Described valve seat (7) is located at valve body (15) and spheroid (12)
Between；The upstream and downstream of ball valve is provided with 2 or 3 valve seats (7).
The built-in spherical all-welded ball valve of many valve seats the most according to claim 1, its feature
It is: in described valve body (15), be provided with the annular bearing block (9) for fixing spheroid (12)
And the bearing block support (6) coordinated with bearing block (9), described bearing block support (6) and valve
Body (15) inwall is affixed, and the upper and lower of described left valve barrel (1) and right valve barrel (5) is equal
It is provided with bearing block support (6), the bearing block support (6) on described left valve barrel (1) and right valve
Bearing block support (6) on body (5) is arranged with the axisymmetrical of valve rod (4), described axle
Bearing (9) is affixed with bearing block support (6) by alignment pin (8), described valve seat (7)
It is positioned at bearing block support (6) inner side.
The built-in spherical all-welded ball valve of many valve seats the most according to claim 1 and 2, its
It is characterised by: described valve body (15) bottom connects base (10), described valve body and base (10)
Junction be provided with backing plate (11).
The built-in spherical all-welded ball valve of many valve seats the most according to claim 3, its feature
It is: the inner surface of described backing plate (11) is fitted with valve body (15) outer surface.
5. according to the spherical all-welded ball valve of built-in many valve seats described in claim 1 or 4, its
It is characterised by: described left valve barrel (1) and right valve barrel (5) are hemispherical shell.
The built-in spherical all-welded ball valve of many valve seats the most according to claim 5, its feature
It is: described backing plate (11) is provided with 4 the most at equal intervals.
The built-in spherical all-welded ball valve of many valve seats the most according to claim 1, its feature
It is: described valve body (15) is arranged over gland (3), the bottom surface of gland (3) and valve body
(15) end face butt welding connects, and described valve rod (4) sequentially passes through gland (3) and valve body (15)
Top is connected with spheroid (12).
The built-in spherical all-welded ball valve of many valve seats the most according to claim 7, its feature
It is: described gland (3) top is connected with tie-plate (2), and described valve rod (4) is worn successively
Cross tie-plate (2), gland (3) and valve body (15) top to be connected with spheroid (12).
The most built-in spherical all-welded ball valve of many valve seats, its
It is characterised by: described left valve barrel (1) and right valve barrel (5) use multi-ram forging one-shot forming.
The built-in spherical all-welded ball valve of many valve seats the most according to claim 2, it is special
Levy and be: described bearing block support (6) built-up welding molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508939.3U CN205781000U (en) | 2016-05-27 | 2016-05-27 | The built-in spherical all-welded ball valve of many valve seats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508939.3U CN205781000U (en) | 2016-05-27 | 2016-05-27 | The built-in spherical all-welded ball valve of many valve seats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781000U true CN205781000U (en) | 2016-12-07 |
Family
ID=59979836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620508939.3U Active CN205781000U (en) | 2016-05-27 | 2016-05-27 | The built-in spherical all-welded ball valve of many valve seats |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805342A (en) * | 2016-05-27 | 2016-07-27 | 成都成高阀门有限公司 | Built-in multi-valve-seat spherical all-welded ball valve and manufacturing method thereof |
| WO2021143091A1 (en) * | 2020-01-16 | 2021-07-22 | 苏州纽威阀门股份有限公司 | Fixing ball valve |
| CN114289942A (en) * | 2021-12-30 | 2022-04-08 | 良正阀门有限公司 | Welding assembly process of all-welded fixed ball valve |
-
2016
- 2016-05-27 CN CN201620508939.3U patent/CN205781000U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805342A (en) * | 2016-05-27 | 2016-07-27 | 成都成高阀门有限公司 | Built-in multi-valve-seat spherical all-welded ball valve and manufacturing method thereof |
| WO2021143091A1 (en) * | 2020-01-16 | 2021-07-22 | 苏州纽威阀门股份有限公司 | Fixing ball valve |
| CN114289942A (en) * | 2021-12-30 | 2022-04-08 | 良正阀门有限公司 | Welding assembly process of all-welded fixed ball valve |
| CN114289942B (en) * | 2021-12-30 | 2023-11-24 | 良正阀门有限公司 | Welding assembly process of all-welded fixed ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Address before: 610000 No. 67 Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |