CN208816828U - It is a kind of can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely - Google Patents
It is a kind of can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely Download PDFInfo
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- CN208816828U CN208816828U CN201821088040.6U CN201821088040U CN208816828U CN 208816828 U CN208816828 U CN 208816828U CN 201821088040 U CN201821088040 U CN 201821088040U CN 208816828 U CN208816828 U CN 208816828U
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Abstract
The utility model discloses one kind can the online welding entirely buried ball valve with pressure for replacing valve rod sealing assembly.Including valve body structure, sphere fixed structure, extension bar connection structure, operating system.Suitable for the transport line that stability requirement is high and needs to repair online.Lower shaft sleeve, then Upper shaft sleeve and valve body are finished using complete penetraction and fusion in welding mode is integrally welded by sphere, lower fixing axle, upper fixing axle, full welder's sequence is completed after the component assemblies such as divided ring I and lower cover are good can realize testing valve performance, subsequent installation welding is carried out after qualification, the test and adjustment of finished product in a pre-installation may be implemented in the buried ball valve that welds entirely of online replacement valve rod sealing assembly with pressure, the leakage point of the buried part of upper valve rod is avoided simultaneously, realize that buried valve replaces the function of filler online, buried valve product qualified rate is welded in raising entirely, reduce the maintenance cost of valve, divided ring and sealing shroud have been added above operating stick lengthening, improve the safety of valve, improve economic benefit.
Description
Technical field
The utility model relates to one kind can the online welding entirely buried ball valve with pressure for replacing valve rod sealing assembly, especially needle
To the fluid transport pipeline that stability requirement is high and can repair online.
Background technique
Welding buried ball valve entirely is common a kind of valve in industrial transport pipeline, and stability high service life is long, but
The existing installation accuracy height for welding buried ball valve entirely and needing, the installation of entire valve need primary completion, after installation is complete
It can just be tested for the property, installation scrappage is high, leads to the cost increase for welding buried ball valve entirely, and profit margin decline is also given
Mounting technique personnel bring great inconvenience.In addition it welds entirely and passes through flanged joint between the extension bar and valve rod of buried ball valve,
So that technical staff has to, the addition filler below flange prevents the leakage of conveying medium, and the valve is in flange in actual work
Following part is located underground to be covered by soil, it is difficult to the online replacement for realizing filler, to the operation band of entire pipeline
It is greatly inconvenient to come.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can online replacement valve stem seal group with pressure
The buried ball valve of welding entirely of part.
The utility model provides one kind can the welding entirely buried ball valve with pressure that replace valve rod sealing assembly, including valve online
Body structure, sphere fixed structure, extension bar connection structure and operating system；Valve body structure includes center valve body, left valve barrel, right valve
Body, sphere, lower cover, extension pipe, upper cover, fire prevention gasket, exhaust-valve I and exhaust-valve II；Sphere fixed structure include Lower shaft sleeve, on
Axle sleeve, lower fixing axle, upper fixing axle, divided ring I, divided ring II, O-ring I and stop-leak compound；Extension bar connection structure includes valve
Bar, key set, Nonlubricated bearing, valve rod non-return hold circle, lengthen operating stick, key and O-ring II；
The connection relationship of each component is as follows: inside center valve body, Lower shaft sleeve is respectively welded at sphere installation with Upper shaft sleeve
The upper and lower ends of center valve body, lower fixing axle and upper fixing axle are separately mounted to the upper and lower of sphere, and lower fixing axle passes through split
Ring I is fixed, and upper fixing axle is fixed by divided ring II；O-ring I is fixed in lower fixing axle, between Upper shaft sleeve and upper fixing axle
Added with stop-leak compound, left valve barrel and right valve barrel are welded with center valve body both sides respectively,
Valve rod passes through key set, thread seal set, Nonlubricated bearing I, valve rod non-return circle and is connected to sphere, valve rod and screw thread
Added with an O-ring between sealing shroud, operating stick and valve rod are lengthened by 4 uniformly distributed key connections, pipe sleeve is lengthened and grasps in lengthening
Make to weld outside bar with Upper shaft sleeve, extension pipe is equipped with exhaust-valve I and exhaust-valve II, and lower cover is welded on center valve body, upper cover
It is fixed by screws in above extension pipe, equipped with fire prevention gasket between upper cover and extension pipe, operating system is fixed on lengthening behaviour
Make above bar.
Preferably, the operating system include handle set, handle, snap ring, limited block, sealing shroud, bearing block, without glossy
Plain besring, divided ring, O-ring III and filler；
Handle set, which is fixed on, to be lengthened above operating stick, and handle is fixed on handle set, equipped with card between handle set and upper cover
Ring and limited block, sealing shroud, bearing block and Nonlubricated bearing II, which are mounted on, to be lengthened between operating stick and extension pipe, with bearing
Seat bottom intersection lengthening operating stick on be equipped with a divided ring, between sealing shroud and extension pipe be equipped with O-ring III, upper cover and lengthen
Operating stick is added with filler.
Preferably, fixed axis and II bearing of divided ring thread seal cover screwing.
Using the utility model, before realizing finished product installation can maintenance function, this function improves product qualified rate
40%, valve manufacture process costs are reduced, the operability of installation personnel is improved, reduce the operation cost of enterprise,
The function of realizing the online filler-changeable of buried valve simultaneously, eliminates the leakage point of the buried part of upper valve rod, improves
The service performance of product reduces the maintenance cost in product later period, improves the economic benefit of enterprise, is lengthening above operating stick
Divided ring and sealing shroud have been added, the safety and sealing stability of valve are improved.
Detailed description of the invention
Fig. 1 is that the utility model can the online whole signal with pressure that weld buried ball valve entirely for replacing valve rod sealing assembly
Figure；
Fig. 2 is that the utility model can the online valve body structure schematic diagram with pressure for replacing valve rod sealing assembly；
Fig. 3 is that the utility model can the online sphere fixed structure schematic diagram with pressure for replacing valve rod sealing assembly；
Fig. 4 is that the utility model can the online extension bar attachment structure schematic diagram with pressure for replacing valve rod sealing assembly；
Fig. 5 is that the utility model can the online operating system schematic diagram with pressure for replacing valve rod sealing assembly；
Fig. 6 is that the utility model can the online lengthening operating stick with pressure that weld buried ball valve entirely for replacing valve rod sealing assembly
Schematic diagram is keyed with valve rod.
In figure, center valve body 11, left valve barrel 12, right valve barrel 13, sphere 14, lower cover 15, extension pipe 16, upper cover 17, fire prevention
Gasket 18, exhaust-valve I 19, exhaust-valve II 110, Lower shaft sleeve 21, Upper shaft sleeve 22, lower fixing axle 23, upper fixing axle 24, divided ring I
25, divided ring II 26, O-ring I 27, emergency sealing rouge 28, thread seal set 29, valve rod 31, key cover 32, Nonlubricated bearing
33, valve rod non-return holds circle 34, lengthens operating stick 35, key 36, O-ring II 37, handle set 41, handle 42, snap ring 43, limited block
44, sealing shroud 45, bearing block 46, Nonlubricated bearing 47, divided ring 48, O-ring III 49, filler 410.
Specific embodiment
As shown in Fig. 1,2,3,4,5, be the utility model a specific implementation case, can online replacement valve rod with pressure it is close
The buried ball valve of welding entirely of sealing assembly includes valve body structure 1, sphere fixed structure 2, extension bar connection structure 3, operating system 4,
Valve body structure 1 includes center valve body 11, left valve barrel 12, right valve barrel 13, sphere 14, lower cover 15, extension pipe 16, upper cover 17, fire prevention
Gasket 18, exhaust-valve I 19, exhaust-valve II 110, sphere fixed structure 2 include Lower shaft sleeve 21, Upper shaft sleeve 22, lower fixing axle 23, on
Fixing axle 24, divided ring I 25, divided ring II 26, O-ring I 27, emergency sealing rouge 28, thread seal set 29, extension bar connection knot
Structure 3 includes valve rod 31, key covers 32, Nonlubricated bearing 33, valve rod non-return holds circle 34, lengthens operating stick 35, key 36, O-ring II
37, operating system 4 includes handle set 41, handle 42, snap ring 43, limited block 44, sealing shroud 45, bearing block 46, oil-free lubrication axis
Hold 47, divided ring 48, O-ring III 49, filler 410；Sphere 14 is mounted on inside center valve body 11, Lower shaft sleeve 21 and Upper shaft sleeve 22
The upper and lower ends of center valve body 11 are respectively welded at, lower fixing axle 23 is separately mounted to the upper and lower of sphere 14 with upper fixing axle 24
Side, lower fixing axle 23 is fixed by divided ring I 25, and upper fixing axle is fixed by divided ring II 26, and is twisted with thread seal set 29
It fastens, O-ring I 27 is fixed in lower fixing axle 23, left added with emergency sealing rouge 28 between Upper shaft sleeve 22 and upper fixing axle 24
Valve body 12 and right valve barrel 13 are welded respectively at 11 both sides of center valve body, and valve rod 31 passes through key set 32, and thread seal covers 29, without glossy
Plain besring I 33, valve rod non-return circle 34 are connected to sphere 14 and add added with an O-ring 37 between valve rod 31 and thread seal set 29
Long operating stick 35 is connect with valve rod 31 by 4 uniformly distributed keys 36, and 16 sets of extension pipe are lengthening 35 outside of operating stick and Upper shaft sleeve
22 welding, extension pipe 16 are equipped with exhaust-valve I 19 and exhaust-valve II 110, and lower cover 15 is welded on center valve body 11, and upper cover 17 is logical
It crosses screw and is fixed on 16 top of extension pipe, equipped with fire prevention gasket 18 between upper cover 17 and extension pipe 16, handle set 41 is fixed on
33 top of operating stick is lengthened, handle 42 is fixed on handle set 41, equipped with snap ring 43 and limit between handle set 41 and upper cover 16
Block 44, sealing shroud 45, bearing block 46 and Nonlubricated bearing II 47, which are mounted on, to be lengthened between operating stick 33 and extension pipe 15, with
A divided ring 48 is housed in the lengthening operating stick 33 of 46 bottom of bearing block intersection, equipped with O-shaped between sealing shroud 45 and extension pipe 15
III 49 are enclosed, upper cover 16 and lengthening operating stick 33 are added with filler 410.
As shown in fig. 6, described can the online lengthening operation with pressure that weld buried ball valve entirely for replacing valve rod sealing assembly
It is connected by key between bar 33 and valve rod 25, and 4 keys are distributed in bar surrounding, constitutes the connection for being similar to spline, eliminated complete
The installation site of filler 410 has been moved on to 33 top of lengthening operating stick, realized by the leakage point for welding the buried part valve of buried ball valve
The possibility that filler is replaced online.
Described can the assemble method with pressure that weld buried ball valve entirely for replacing valve rod sealing assembly include online following step
It is rapid:
1) Lower shaft sleeve 21 and Upper shaft sleeve 22 are integrally welded using complete penetraction and fusion in welding mode with center valve body 11, and carry out essence to it
Processing；
2) parts such as sphere 14, lower fixing axle 23, upper fixing axle 24 are installed, passes through divided ring I 25 and divided ring II
26 fixed fixing axles up and down, then carry out testing valve performance；
3) removed if testing valve performance is unqualified part in II 26 pairs of valves of divided ring I 25 and divided ring replaced,
Performance qualification is known in amendment, the performance test for re-starting valve；
4) after testing valve performance is qualified, by valve rod 31, thread seal set 33 etc. is installed, and lower cover 15 is welded to
Between on valve body 11；
5) operating stick 36 will be lengthened to connect by four uniformly distributed keys 37 with valve rod 11, and fixed by key set 32, then
Extension pipe 16 is welded on Upper shaft sleeve 22
6) divided ring III 48, sealing shroud 45 and O-ring III 49 are first installed, then complete the installation and operating system of filler 410
Installation；
7) valve is installed to transport line；
In use, if valve encounters emergency event in use, the filler of online directly replacement operation system
410。
Using the utility model, before realizing finished product installation can maintenance function, this function improves product qualified rate
40%, valve manufacture process costs are reduced, the operability of installation personnel is improved, reduce the operation cost of enterprise,
The function of realizing the online filler-changeable of buried valve simultaneously, eliminates the leakage point of the buried part of upper valve rod, improves
The service performance of product reduces the maintenance cost in product later period, improves the economic benefit of enterprise, is lengthening above operating stick
Divided ring and sealing shroud have been added, the safety and sealing stability of valve are improved.
Claims (3)
1. one kind can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely, it is characterised in that including valve body structure
(1), sphere fixed structure (2), extension bar connection structure (3) and operating system (4)；
Valve body structure (1) includes center valve body (11), left valve barrel (12), right valve barrel (13), sphere (14), lower cover (15), lengthens
Manage (16), upper cover (17), fire prevention gasket (18), exhaust-valve I (19) and exhaust-valve II (110)；Under sphere fixed structure (2) includes
Axle sleeve (21), Upper shaft sleeve (22), lower fixing axle (23), upper fixing axle (24), divided ring I (25), divided ring II (26), O-ring I
(27) and stop-leak compound (28)；Extension bar connection structure (3) includes valve rod (31), key set (32), Nonlubricated bearing I (33), valve
Bar non-return holds circle (34), lengthens operating stick (35), key (36) and O-ring II (37)；
Sphere (14) is mounted on center valve body (11) inside, and Lower shaft sleeve (21) and Upper shaft sleeve (22) are respectively welded at center valve body
(11) upper and lower ends, lower fixing axle (23) are separately mounted to the upper and lower of sphere (14), lower fixing axle with upper fixing axle (24)
(23) fixed by divided ring I (25), upper fixing axle is fixed by divided ring II (26)；O-ring I (27) is fixed on lower fixing axle
(23) on, added with stop-leak compound (28) between Upper shaft sleeve (22) and upper fixing axle (24), left valve barrel (12) and right valve barrel (13) are respectively
It is welded with center valve body (11) both sides,
Valve rod (31) holds circle (34) even across key set (32), thread seal set (29), Nonlubricated bearing I (33), valve rod non-return
Be connected to sphere (14), added with an O-ring II (37) between valve rod (31) and thread seal set (29), lengthen operating stick (35) with
For valve rod (31) by 4 uniformly distributed key (36) connections, extension pipe (16), which covers, is lengthening operating stick (35) outside and Upper shaft sleeve (22)
Welding, extension pipe (16) are equipped with exhaust-valve I (19) and exhaust-valve II (110), and lower cover (15) is welded on center valve body (11),
Upper cover (17) is fixed by screws in above extension pipe (16), equipped with fire prevention gasket between upper cover (17) and extension pipe (16)
(18), operating system (4), which is fixed on, lengthens above operating stick (35).
2. according to claim 1 the welding entirely buried ball valve with pressure for replacing valve rod sealing assembly, feature can exist online
In the operating system (4) include handle set (41), handle (42), snap ring (43), limited block (44), sealing shroud (45), axis
Hold seat (46), Nonlubricated bearing II (47), divided ring (48), O-ring III (49) and filler (410)；
Handle set (41), which is fixed on, to be lengthened above operating stick (35), and handle (42) is fixed on handle set (41), handle set (41)
Snap ring (43) and limited block (44), sealing shroud (45), bearing block (46) and Nonlubricated bearing II are housed between upper cover (17)
(47) it is mounted on and lengthens between operating stick (35) and extension pipe (16), in the lengthening operating stick intersected with bearing block (46) bottom
(35) on be equipped with a divided ring (48), between sealing shroud (45) and extension pipe (16) be equipped with O-ring III (49), upper cover (17) with add
Long operating stick (35) is added with filler (410).
3. according to claim 1 the welding entirely buried ball valve with pressure for replacing valve rod sealing assembly, feature can exist online
It is tightened with divided ring II (26) bearing with thread seal set (29) in fixed axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088040.6U CN208816828U (en) | 2018-07-10 | 2018-07-10 | It is a kind of can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088040.6U CN208816828U (en) | 2018-07-10 | 2018-07-10 | It is a kind of can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816828U true CN208816828U (en) | 2019-05-03 |
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ID=66270662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821088040.6U Active CN208816828U (en) | 2018-07-10 | 2018-07-10 | It is a kind of can online replacement valve rod sealing assembly with pressure the buried ball valve of welding entirely |
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| Country | Link |
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| CN (1) | CN208816828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953750A (en) * | 2018-07-10 | 2018-12-07 | 浙江福瑞科流控机械有限公司 | It can the online buried ball valve of welding entirely and its assemble method with pressure for replacing valve rod sealing assembly |
-
2018
- 2018-07-10 CN CN201821088040.6U patent/CN208816828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953750A (en) * | 2018-07-10 | 2018-12-07 | 浙江福瑞科流控机械有限公司 | It can the online buried ball valve of welding entirely and its assemble method with pressure for replacing valve rod sealing assembly |
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