CN105864503A - All-welded ball valve center shaft sealing structure - Google Patents
All-welded ball valve center shaft sealing structure Download PDFInfo
- Publication number
- CN105864503A CN105864503A CN201610394848.6A CN201610394848A CN105864503A CN 105864503 A CN105864503 A CN 105864503A CN 201610394848 A CN201610394848 A CN 201610394848A CN 105864503 A CN105864503 A CN 105864503A
- Authority
- CN
- China
- Prior art keywords
- axle
- bottom bracket
- sleeve pipe
- center shaft
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to an all-welded ball valve center shaft sealing structure. The all-welded ball valve center shaft sealing structure comprises a center shaft, a connecting flange, a pressing sleeve, a center shaft sleeve, a gasket, a sealing casing pipe, a positioning mechanism, a spacer ring and a backing ring, wherein the connecting flange is arranged outside the center shaft in a sleeving mode, the pressing sleeve is arranged between the connecting flange and the center shaft, the center shaft sleeve is fixedly connected to the bottom of the pressing sleeve through hexagonal screws, the gasket is arranged between the center shaft sleeve and the pressing sleeve, the hexagonal screws penetrate through the gasket and are connected in the upper end of the center shaft sleeve, the sealing casing pipe is arranged between the center shaft sleeve and the center shaft and located below the pressing sleeve, the spacer ring is arranged between the center shaft sleeve and the center shaft and makes contact with the lower end of the sealing casing pipe, and the positioning mechanism is arranged between the sealing casing pipe and the center shaft sleeve. According to the all-welded ball valve center shaft sealing structure, the sealing casing pipe can be taken out at any time to replace O rings, cost is greatly reduced, and the service life of the product is greatly prolonged.
Description
Technical field
Patent of the present invention relates to a kind of structure that seals, axle sealing structure in particularly a kind of all-welded ball valve.
Background technology
In reality, the sealing structure for axle has a lot, but is as using for a long time, and sealing structure can occur
Damage or malfunctioning, now generally require and sealing mechanism and axle entirety scrapped, thus produce unnecessary
Loss, so in order to axle sealing structure in the design one all-welded ball valve that increases the service life just reduce cost
It is particularly important.
Summary of the invention
The purpose of the present invention exactly can take out at any time sealing sleeve pipe with replacement o circle, greatly reduce into
Basis and the service life of prolongation product, and invented axle sealing structure in a kind of all-welded ball valve.
For solving above-mentioned technical problem, the invention provides axle sealing structure in a kind of all-welded ball valve, bag
Include
Axis,
Adpting flange, described adpting flange is sleeved on the outside of axis,
Gland, described gland is arranged between adpting flange and axis,
Bottom bracket axle, described bottom bracket axle is fixedly connected on the lower section of gland by hex(agonal)screw,
Pad, described pad is arranged between bottom bracket axle and gland, and described hex(agonal)screw is through pad even
It is connected in the upper end of bottom bracket axle
Sealing sleeve pipe, described sealing sleeve pipe is arranged between bottom bracket axle and axis, described sealing sleeve pipe position
In the lower section of gland,
Detent mechanism, described detent mechanism is arranged between sealing sleeve pipe and bottom bracket axle,
Spacer ring, described spacer ring is arranged between bottom bracket axle and axis, under described spacer ring and sealing sleeve pipe
End thinks contact, is additionally provided with spacer ring pressure pad between described spacer ring and bottom bracket axle,
Gasket ring, described gasket ring is arranged between bottom bracket axle and axis, the upper end of described gasket ring and spacer ring and
Contact is thought in the lower end of spacer ring pressure pad.
Further: between described gland and sealing sleeve pipe, to be additionally provided with graphite, described graphite and bottom bracket axle
Medial wall think contact.
Further: between lower end and the axis of described bottom bracket axle, be additionally provided with sliding bearing, described cunning
The upper end of dynamic bearing is wanted to contact with the lower end of gasket ring.
Further: described sealing is both provided with O on sleeve pipe and the medial wall of gland and lateral wall.
Further: on the described medial wall sealing sleeve pipe and lateral wall, be each provided with two O.
Use the present invention after said structure can take out sealing sleeve pipe at any time with replacement o circle, greatly reduce
Cost and extend service life of product；And the design also has simple in construction, easily fabricated and practical
Efficient advantage.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Detailed description of the invention
Axle sealing structure in a kind of all-welded ball valve as shown in Figure 1, including axis 1, adpting flange 11,
Gland 9, bottom bracket axle 6, pad 8, sealing sleeve pipe 5, detent mechanism, spacer ring 3 and gasket ring 2, described company
Acting flange 11 is sleeved on the outside of axis 1, described gland 9 be arranged on adpting flange 11 and axis 1 it
Between, described bottom bracket axle 6 is fixedly connected on the lower section of gland 9, described pad 8 by hex(agonal)screw 10
Being arranged between bottom bracket axle 6 and gland 9, described hex(agonal)screw 10 is connected to bottom bracket axle 6 through pad 8
Upper end in, described sealing sleeve pipe 5 is arranged between bottom bracket axle 6 and axis 1, described sealing sleeve pipe 5
Being positioned at the lower section of gland 9, described spacer ring 3 is arranged between bottom bracket axle 6 and axis 1, described spacer ring 3
Contact with the lower end sealing sleeve pipe 5, described detent mechanism be arranged on sealing sleeve pipe 5 and bottom bracket axle 6 it
Between, it is additionally provided with spacer ring pressure pad 4 between described spacer ring 3 and bottom bracket axle 6, during described gasket ring 2 is arranged on
Between axle sleeve 6 and axis 1, the upper end of described gasket ring 2 connects with the lower end of spacer ring 3 and spacer ring pressure pad 4
Touch, between described gland 9 and sealing sleeve pipe 5, be additionally provided with graphite 13, described graphite 13 and bottom bracket axle
The medial wall of 6 contacts.By said structure, the sealing sleeve pipe 5 in the design can take out at any time, with more
Change O, cost is greatly reduced and extends the service life of product.
Detent mechanism as shown in Figure 2 includes the gathering sill 14 being opened on bottom bracket axle 6 medial wall, is opened in
Seal hemispherical draw-in groove 16, spherical dop 17 and the spring 15 on sleeve pipe 5 outer surface, described spherical clip
17 are connected in gathering sill 14 by spring 15, and described spherical dop 17 is under the effect of spring 15
Snap in hemispherical draw-in groove 16, it is achieved seal the location between sleeve pipe and bottom bracket axle 6.By using above-mentioned machine
Structure can put in place sealing sleeve pipe 5 installation exactly, substantially increases its Practical Performance.
It is additionally provided with sliding bearing 12 between lower end and the axis 1 of bottom bracket axle 6 as shown in Figure 1, described
The upper end of sliding bearing 12 is wanted to contact with the lower end of gasket ring 2.During the design is reduced by sliding bearing 12
Between axle sleeve 6 and axis 1, E Damo wipes, thus serves the effect extending physical life.
Sealing as shown in Figure 1 is both provided with O 7 on sleeve pipe 5 and the medial wall of gland 9 and lateral wall,
It is each provided with two O 7 on the described medial wall sealing sleeve pipe 5 and lateral wall.The design is at sealing shroud
It is both provided with O 7 on the outboard sidewalls of pipe 5 and gland 9, thus axis is carried out dual-seal, its tool
There are simple in construction, the easily fabricated and advantage of practicality and high efficiency.
Claims (6)
1. axle sealing structure in an all-welded ball valve, it is characterised in that: include
Axis (1),
Adpting flange (11), described adpting flange (11) is sleeved on the outside of axis (1),
Gland (9), described gland (9) is arranged between adpting flange (11) and axis (1),
Bottom bracket axle (6), described bottom bracket axle (6) is fixedly connected on gland (9) by hex(agonal)screw (10)
Lower section,
Pad (8), described pad (8) is arranged between bottom bracket axle (6) and gland (9), described
Hex(agonal)screw (10) is connected in the upper end of bottom bracket axle (6) through pad (8),
Sealing sleeve pipe (5), described sealing sleeve pipe (5) is arranged between bottom bracket axle (6) and axis (1),
Described sealing sleeve pipe (5) is positioned at the lower section of gland (9),
Detent mechanism, described detent mechanism is arranged between sealing sleeve pipe (5) and bottom bracket axle (6),
Spacer ring (3), described spacer ring (3) is arranged between bottom bracket axle (6) and axis (1), described
Spacer ring (3) is wanted contact with the lower end sealing sleeve pipe (5), described spacer ring (3) and bottom bracket axle (6) it
Between be additionally provided with spacer ring pressure pad (4),
Gasket ring (2), described gasket ring (2) is arranged between bottom bracket axle (6) and axis (1), described
The upper end of gasket ring (2) is wanted to contact with the lower end of spacer ring (3) and spacer ring pressure pad (4).
Axle sealing structure in a kind of all-welded ball valve the most according to claim 1, it is characterised in that: institute
It is additionally provided with graphite (13), described graphite (13) between gland (9) and sealing sleeve pipe (5) stated
Contact with the medial wall of bottom bracket axle (6).
Axle sealing structure in a kind of all-welded ball valve the most according to claim 1, it is characterised in that: institute
The detent mechanism stated includes the gathering sill (14) being opened on bottom bracket axle (6) medial wall, is opened in sealing
Hemispherical draw-in groove (16) on sleeve pipe (5) outer surface, spherical dop (17) and spring (15), described
Spherical dop (17) be connected to gathering sill (14) by spring (15) in, described spherical dop
(17) snap under the effect of spring (15) in hemispherical draw-in groove (16), it is achieved seal sleeve pipe with in
Location between axle sleeve (6).
Axle sealing structure in a kind of all-welded ball valve the most according to claim 1, it is characterised in that: institute
It is additionally provided with sliding bearing (12), described cunning between lower end and the axis (1) of the bottom bracket axle (6) stated
The upper end of dynamic bearing (12) is wanted to contact with the lower end of gasket ring (2).
Axle sealing structure in a kind of all-welded ball valve the most according to claim 1, it is characterised in that: institute
It is both provided with O (7) on the sealing sleeve pipe (5) stated and the medial wall of gland (9) and lateral wall.
Axle sealing structure in a kind of all-welded ball valve the most according to claim 1, it is characterised in that: described
It is each provided with two O (7) on the medial wall of sealing sleeve pipe (5) and lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394848.6A CN105864503A (en) | 2016-06-03 | 2016-06-03 | All-welded ball valve center shaft sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394848.6A CN105864503A (en) | 2016-06-03 | 2016-06-03 | All-welded ball valve center shaft sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105864503A true CN105864503A (en) | 2016-08-17 |
Family
ID=56675911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394848.6A Pending CN105864503A (en) | 2016-06-03 | 2016-06-03 | All-welded ball valve center shaft sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864503A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033119A1 (en) * | 1999-10-29 | 2001-05-10 | Ace Control Equipment Company, L.P. | Compact manifold ball valve |
| CN202188156U (en) * | 2011-07-25 | 2012-04-11 | 上海耐莱斯·詹姆斯伯雷阀门有限公司 | Anti-blowout mechanism for ball valve rod |
| CN202280932U (en) * | 2011-09-29 | 2012-06-20 | 天津百利展发集团有限公司 | Valve rod blowout-proof structure for fixed ball valve |
| CN102654202A (en) * | 2012-04-20 | 2012-09-05 | 浙江欧维克阀门有限公司 | High-temperature metal hard seal ball valve for granular media |
| CN202469058U (en) * | 2011-12-28 | 2012-10-03 | 江苏江恒阀业有限公司 | Blowout prevention device of valve rod of ball valve |
| CN203743495U (en) * | 2013-12-16 | 2014-07-30 | 芜湖万润机械有限责任公司 | Valve rod of flanged joint soft sealed fixing ball valve |
| CN205244587U (en) * | 2015-11-27 | 2016-05-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Seal structure on ball valve |
| CN205678249U (en) * | 2016-06-03 | 2016-11-09 | 江苏威尔迪威阀业有限公司 | Axle sealing structure in a kind of all-welded ball valve |
-
2016
- 2016-06-03 CN CN201610394848.6A patent/CN105864503A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033119A1 (en) * | 1999-10-29 | 2001-05-10 | Ace Control Equipment Company, L.P. | Compact manifold ball valve |
| CN202188156U (en) * | 2011-07-25 | 2012-04-11 | 上海耐莱斯·詹姆斯伯雷阀门有限公司 | Anti-blowout mechanism for ball valve rod |
| CN202280932U (en) * | 2011-09-29 | 2012-06-20 | 天津百利展发集团有限公司 | Valve rod blowout-proof structure for fixed ball valve |
| CN202469058U (en) * | 2011-12-28 | 2012-10-03 | 江苏江恒阀业有限公司 | Blowout prevention device of valve rod of ball valve |
| CN102654202A (en) * | 2012-04-20 | 2012-09-05 | 浙江欧维克阀门有限公司 | High-temperature metal hard seal ball valve for granular media |
| CN203743495U (en) * | 2013-12-16 | 2014-07-30 | 芜湖万润机械有限责任公司 | Valve rod of flanged joint soft sealed fixing ball valve |
| CN205244587U (en) * | 2015-11-27 | 2016-05-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Seal structure on ball valve |
| CN205678249U (en) * | 2016-06-03 | 2016-11-09 | 江苏威尔迪威阀业有限公司 | Axle sealing structure in a kind of all-welded ball valve |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |