CN104633164A - Sealed leakproof ball valve - Google Patents
Sealed leakproof ball valve Download PDFInfo
- Publication number
- CN104633164A CN104633164A CN201410724567.3A CN201410724567A CN104633164A CN 104633164 A CN104633164 A CN 104633164A CN 201410724567 A CN201410724567 A CN 201410724567A CN 104633164 A CN104633164 A CN 104633164A
- Authority
- CN
- China
- Prior art keywords
- ball valve
- seal ring
- external casing
- valve external
- ring
- 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
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- 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
- F16K5/0689—Packings between housing and plug
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a sealed leakproof ball valve which comprises an outer shell of the ball valve, a ball-shaped core, a driving lever and a support rod. The ball-shaped core is arranged in the outer shell of the ball valve, the liquid outlet end of the outer shell of the ball valve is provided with a first seal ring and a second seal ring, the liquid inlet end of the outer shell of the ball valve is provided with a fourth seal ring, a ring of groove is formed in the liquid inlet of the outer shell of the ball valve, a fifth seal ring is arranged between the ball-shaped core and the liquid inlet of the outer shell of the ball valve, and a stair check ring used for fixing the fifth seal ring is arranged in the liquid inlet of the outer shell of the ball valve; a first bearing is arranged on the driving lever in a sleeving mode. In this way, the sealed leakproof ball valve utilizes the multiple seal rings to improve the leakproofness, the capacity of liquid shock resistance is strong, the leakage of mediums in the use process is avoided, and the safety is high.
Description
Technical field
The present invention relates to valve design field, particularly relate to and a kind ofly seal leakage-preventing ball valve.
Background technique
Ball valve is a kind of valve of extensive use, and its main feature is compact structure own, and reliability is high, be easy to Operation and maintenance, be applicable to the general work media such as water, solvent and rock gas, but also be applicable to the severe medium of operating conditions, be suitable as switch valve or cut-off valve use.
Pressure in section of tubing is large, and ball valve place easily leakage phenomenon occurs due to sealing problem, pollutes environment, reduces the transporting power of pipeline, and serious even causes poisoning or explosive accident, and the economic loss of initiation is large.
Summary of the invention
The technical problem that the present invention mainly solves is to provide and a kind ofly seals leakage-preventing ball valve, improves sealing and the bearing capacity of ball valve, avoids revealing.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: provide a kind of and seal leakage-preventing ball valve, comprise: ball valve external casing, spherical core body, driving lever and strut, it is inner that described spherical core body is arranged on ball valve external casing, the liquid outlet end of described ball valve external casing is respectively arranged with the first seal ring and the second seal ring, the liquid entering hole end of described ball valve external casing is provided with the 4th seal ring, a circle groove is provided with in the liquid entering hole of described ball valve external casing, the 5th seal ring is provided with between described spherical core body and the liquid entering hole of ball valve external casing, the cylindrical of described 5th seal ring is provided with the chimb corresponding with groove, the ladder back-up ring fixing the 5th seal ring is provided with in the liquid entering hole of described ball valve external casing, the outside end face of described ladder back-up ring is provided with the 3rd seal ring, described driving lever is arranged on the top of spherical core body and extends to the tip exterior of ball valve external casing, described driving lever is arranged with clutch shaft bearing, the 9th seal ring is provided with below described clutch shaft bearing, the 8th seal ring is provided with above described clutch shaft bearing, the trim ring be fixed on ball valve external casing is provided with above described 8th seal ring, described strut is arranged on the bottom of spherical core body and to extend to the low side of ball valve external casing outside, the 6th seal ring is provided with between described strut and ball valve external casing.
In a preferred embodiment of the present invention, the bottom end of described strut is provided with the second bearing, and the bottom of described second bearing is provided with the second bearing fixed seat be connected with ball valve external casing.
In a preferred embodiment of the present invention, between described second bearing fixed seat and ball valve external casing, be provided with the 7th seal ring.
In a preferred embodiment of the present invention, described first seal ring is arranged on the inner side of the second seal ring, and described 3rd seal ring is arranged on the inner side of the 4th seal ring.
In a preferred embodiment of the present invention, the top of described driving lever is also provided with a rotating spanner.
The invention has the beneficial effects as follows: what the present invention pointed out a kind ofly seals leakage-preventing ball valve, have employed the lifting that multiple seal ring carries out sealing, the ability that resistant to liquids is impacted is strong, and the medium avoided in use is revealed, and Security is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is a kind of structural representation sealing leakage-preventing ball valve one preferred embodiment of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, ball valve external casing, and 2, spherical core body, 3, driving lever, 4, strut, 5, rotating spanner, 6, clutch shaft bearing, the 7, second bearing fixed seat, 8, ladder back-up ring, 9, trim ring, 10, groove, the 11, first seal ring, 12, the second seal ring, the 13, the 3rd seal ring, the 14, the 4th seal ring, 15, the 5th seal ring, the 16, the 6th seal ring, the 17, the 7th seal ring, 18, the 8th seal ring, the 19, the 9th seal ring, the 41, second bearing.
Embodiment
Be clearly and completely described to the technological scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind ofly seal leakage-preventing ball valve, comprise: ball valve external casing 1, spherical core body 2, driving lever 3 and strut 4, it is inner that described spherical core body 2 is arranged on ball valve external casing 1, the liquid outlet end of described ball valve external casing 1 is respectively arranged with the first seal ring 11 and the second seal ring 12, the liquid outlet end of ball valve external casing 1 is provided with the groove of installation first seal ring 11 and the second seal ring 12, after installation, for Double seal ring seals between pipeline and ball valve external casing 1 end face, more insure, good airproof performance, prevent the leakage of end, the liquid entering hole end of described ball valve external casing 1 is provided with the 4th seal ring 14, a circle groove 10 is provided with in the liquid entering hole of described ball valve external casing 1, the 5th seal ring 15 is provided with between described spherical core body 2 and the liquid entering hole of ball valve external casing 1, the cylindrical of described 5th seal ring 15 is provided with the chimb corresponding with groove 10, 5th seal ring 15 is located, limit its displacement, the ladder back-up ring 8 fixing the 5th seal ring 15 is provided with in the liquid entering hole of described ball valve external casing 1, the outside end face of described ladder back-up ring 8 is provided with the 3rd seal ring 13, lift-off seal, described driving lever 3 is arranged on the top of spherical core body 2 and extends to the tip exterior of ball valve external casing 1, described driving lever 3 is arranged with clutch shaft bearing 6, the 9th seal ring 19 is provided with below described clutch shaft bearing 6, the 8th seal ring 18 is provided with above described clutch shaft bearing 6, achieve the double-layer seal to clutch shaft bearing 6 place, the trim ring 9 be fixed on ball valve external casing 1 is provided with above described 8th seal ring 18, 8th seal ring 18 cylindrical place decision design is inclined-plane, under the downforce effect of trim ring 9, closely cooperate with ball valve external casing 1, good airproof performance, described strut 4 is arranged on the bottom of spherical core body 2 and to extend to the low side of ball valve external casing 1 outside, the 6th seal ring 16 is provided with between described strut 4 and ball valve external casing 1, this is the first layer sealing bottom ball valve external casing 1.
The ball valve rapid operation that described sealing is leakage-preventing, control flexibly, the bottom end of described strut 4 is provided with the second bearing 41, and the bottom of described second bearing 41 is provided with the second bearing fixed seat 7 be connected with ball valve external casing 1.
Further, be provided with the 7th seal ring 17 between described second bearing fixed seat 7 and ball valve external casing 1, this is the second layer sealing bottom ball valve external casing 1, cooperates, improve overall sealing together with the 6th seal ring 16.
Further, described first seal ring 11 is arranged on the inner side of the second seal ring 12, and described 3rd seal ring 13 is arranged on the inner side of the 4th seal ring 14, twice sealing, and performance is more stable, improves leakage-preventing ability.
Further, the top of described driving lever 3 is also provided with a rotating spanner 5, for the rotation of driving lever 3, also can arrange electronic or hydraulic actuator and pull.
In sum, the ball valve that sealing of the present invention is leakage-preventing, is designed with many places sealing structure, and have employed the design of dual fail-safe, and leakage-preventing higher grade, is applicable to the installation being applied in various high pressure, high-risk medium pipeline.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. the ball valve that a sealing is leakage-preventing, it is characterized in that, comprise: ball valve external casing, spherical core body, driving lever and strut, it is inner that described spherical core body is arranged on ball valve external casing, the liquid outlet end of described ball valve external casing is respectively arranged with the first seal ring and the second seal ring, the liquid entering hole end of described ball valve external casing is provided with the 4th seal ring, a circle groove is provided with in the liquid entering hole of described ball valve external casing, the 5th seal ring is provided with between described spherical core body and the liquid entering hole of ball valve external casing, the cylindrical of described 5th seal ring is provided with the chimb corresponding with groove, the ladder back-up ring fixing the 5th seal ring is provided with in the liquid entering hole of described ball valve external casing, the outside end face of described ladder back-up ring is provided with the 3rd seal ring, described driving lever is arranged on the top of spherical core body and extends to the tip exterior of ball valve external casing, described driving lever is arranged with clutch shaft bearing, the 9th seal ring is provided with below described clutch shaft bearing, the 8th seal ring is provided with above described clutch shaft bearing, the trim ring be fixed on ball valve external casing is provided with above described 8th seal ring, described strut is arranged on the bottom of spherical core body and to extend to the low side of ball valve external casing outside, the 6th seal ring is provided with between described strut and ball valve external casing.
2. the ball valve that sealing according to claim 1 is leakage-preventing, is characterized in that, the bottom end of described strut is provided with the second bearing, and the bottom of described second bearing is provided with the second bearing fixed seat be connected with ball valve external casing.
3. the ball valve that sealing according to claim 2 is leakage-preventing, is characterized in that, is provided with the 7th seal ring between described second bearing fixed seat and ball valve external casing.
4. the ball valve that sealing according to claim 1 is leakage-preventing, is characterized in that, described first seal ring is arranged on the inner side of the second seal ring, and described 3rd seal ring is arranged on the inner side of the 4th seal ring.
5. the ball valve that sealing according to claim 1 is leakage-preventing, is characterized in that, the top of described driving lever is also provided with a rotating spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410724567.3A CN104633164A (en) | 2014-12-04 | 2014-12-04 | Sealed leakproof ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410724567.3A CN104633164A (en) | 2014-12-04 | 2014-12-04 | Sealed leakproof ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104633164A true CN104633164A (en) | 2015-05-20 |
Family
ID=53212238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410724567.3A Pending CN104633164A (en) | 2014-12-04 | 2014-12-04 | Sealed leakproof ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928380A (en) * | 2023-09-18 | 2023-10-24 | 华英阀业有限公司 | Closed ultra-low temperature ball valve of helping hand of balanced atress |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4143307A1 (en) * | 1991-03-27 | 1992-10-01 | Draxler Ernst Dipl Ing Fh | Ball plug with two part housing containing ball-cock - has drive spindle and seals, with guide bolt in drive spindle pin, and includes friction bearing and screw |
| CN203335920U (en) * | 2013-07-02 | 2013-12-11 | 温州蓝天管件阀门有限公司 | Manual ball valve |
| CN203516818U (en) * | 2013-10-09 | 2014-04-02 | 浙江力诺流体控制科技股份有限公司 | Integral type jacket thermal insulation ball valve |
| CN203730818U (en) * | 2014-03-28 | 2014-07-23 | 浙江永盛仪表有限公司 | Eccentric rotating valve |
| CN203743482U (en) * | 2014-02-28 | 2014-07-30 | 湖北高中压阀门有限责任公司 | High-medium-pressure eccentric semi-ball valve |
| CN203927049U (en) * | 2014-06-25 | 2014-11-05 | 无锡宝牛阀业有限公司 | Insulation jacket hard seal ball valve |
-
2014
- 2014-12-04 CN CN201410724567.3A patent/CN104633164A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4143307A1 (en) * | 1991-03-27 | 1992-10-01 | Draxler Ernst Dipl Ing Fh | Ball plug with two part housing containing ball-cock - has drive spindle and seals, with guide bolt in drive spindle pin, and includes friction bearing and screw |
| CN203335920U (en) * | 2013-07-02 | 2013-12-11 | 温州蓝天管件阀门有限公司 | Manual ball valve |
| CN203516818U (en) * | 2013-10-09 | 2014-04-02 | 浙江力诺流体控制科技股份有限公司 | Integral type jacket thermal insulation ball valve |
| CN203743482U (en) * | 2014-02-28 | 2014-07-30 | 湖北高中压阀门有限责任公司 | High-medium-pressure eccentric semi-ball valve |
| CN203730818U (en) * | 2014-03-28 | 2014-07-23 | 浙江永盛仪表有限公司 | Eccentric rotating valve |
| CN203927049U (en) * | 2014-06-25 | 2014-11-05 | 无锡宝牛阀业有限公司 | Insulation jacket hard seal ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928380A (en) * | 2023-09-18 | 2023-10-24 | 华英阀业有限公司 | Closed ultra-low temperature ball valve of helping hand of balanced atress |
| CN116928380B (en) * | 2023-09-18 | 2023-12-01 | 华英阀业有限公司 | Closed ultra-low temperature ball valve of helping hand of balanced atress |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |