CN104315189A - Low-temperature top-mounted slope ball valve - Google Patents
Low-temperature top-mounted slope ball valve Download PDFInfo
- Publication number
- CN104315189A CN104315189A CN201410557947.2A CN201410557947A CN104315189A CN 104315189 A CN104315189 A CN 104315189A CN 201410557947 A CN201410557947 A CN 201410557947A CN 104315189 A CN104315189 A CN 104315189A
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- China
- Prior art keywords
- valve
- ball
- ball core
- valve body
- spring
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- 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
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Classifications
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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
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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
- F16K5/08—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a low-temperature top-mounted slope ball valve. The low-temperature top-mounted slope ball valve comprises a valve body, a valve cover which is arranged on the valve body, a ball core which is arranged in the valve body, a valve seat, a valve rod which is arranged in the valve cover and a handle which is arranged on the upper part of the valve rod; the ball core is an oblique wedged ball body, the left side and the right side of the ball core are oblique surfaces which extend towards the vertical central axis direction of the ball core, and the oblique surfaces correspond to a through hole of the valve body; an oblique wedged cavity with shape and size being matched with the ball core is arranged inside the valve body; a pre-tightening spring is arranged above the ball core, a spring pressure plate is arranged below the pre-tightening spring, a spring pressure ring is arranged below the spring pressure plate, and the bottom of the spring pressure ring is installed on the valve seat. The low-temperature top-mounted slope ball valve has advantages of reliability in sealing, simplicity in structure, capability of being repaired online, and the like and can be widely applied to instrument and technique pipelines in industrial departments such as LNG, petroleum, chemical industry, environmental protection and the like.
Description
Technical field
The present invention relates to a kind of ball valve, particularly a kind of used at ultra-low temperature upper-mounting type ball valve being applicable to worst cold case.
Background technique
On the flowing medium such as oil, petrochemical industry pipeline, it is unallowed that some process pipelines stop for a long time, common valve is adopted to have the shortcoming of detachable maintaining difficulty, so adopt upper-mounting type ball valve to replace conventional valves in prior art, upper-mounting type ball valve has to be opened valve gap and can take out internal components, realizes the advantage of rapid-maintenance.
The pipelines such as water, steam, oil all can use ball valve, the spheroid of existing ball valve loads valve body from the side, between valve seat and valve body, the pretightening force of spring cannot regulate, and spring force acts directly on spheroid, and spring can rotate along with spheroid and rotate; Long-Time Service spring can make the pretightening force of spring decline, and causes valve body to occur leakage problem, just must unload valve body down maintenance from pipeline, keep in repair cumbersome, and impact uses.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of structure simple, seal on reliable low temperature and fill formula beveled ball valve.
For achieving the above object, technological scheme of the present invention is as follows:
Low temperature fills formula beveled ball valve, comprise valve body, the valve gap be arranged on valve body, the ball core be arranged in valve body, valve seat, be arranged on the valve rod in valve gap and be arranged on the handle on valve rod top; Described ball core is wedge type spheroid, and the left and right sides of described ball core is that described inclined-plane is corresponding with valve body through hole to the extended inclined-plane of the vertical central axial direction of ball core; The inside of described valve body is provided with the wedge type cavity matched with ball core shape, size; The top of described ball core is provided with preloading spring, and the below of described preloading spring is provided with spring bearer plate, and the below of described spring bearer plate is provided with spring pressure ring, and the bottom of described spring pressure ring is arranged on valve seat.
In one embodiment of the invention, the interior outside of described valve seat is equipped with eyelet.
In one embodiment of the invention, described preloading spring pretightening force acts on spring bearer plate, and spring bearer plate is synchronously pressed into ball core and valve seat in valve body inclined wedge type cavity automatically by spring pressure ring.
In one embodiment of the invention, described valve gap is long-neck structure.
By technique scheme, the invention has the beneficial effects as follows:
The present invention at low ambient temperatures, when valve seat and valve body produce space, preloading spring pretightening force acts on spring bearer plate, automatically ball core and valve seat are synchronously pressed in valve body inclined wedge type cavity by spring pressure ring, be different from and traditional acted directly on by spring force on ball core, this is novel has more reliable sealability; Meanwhile, preloading spring does not rotate with ball core and rotates, and ensures the stability of valve body internals in switching process, avoids leaking.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, 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.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of ball core of the present invention;
Fig. 3 is the part-structure schematic diagram of valve seat of the present invention;
Numeral and the corresponding part title represented by letter in figure:
10, valve body 11, valve body through hole 12, wedge type cavity 20, valve gap 30, ball core 31, inclined-plane 40, valve seat 50, valve rod 60, handle 70, preloading spring 80, spring bearer plate 90, spring pressure ring 100, eyelet 110, filler.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See shown in Fig. 1 to Fig. 3, the invention discloses on low temperature and fill formula beveled ball valve, comprise valve body 10, the valve gap 20 be arranged on valve body 10, the ball core 30 be arranged in valve body 10, valve seat 40, be arranged on the valve rod 50 in valve gap 20 and be arranged on the handle 60 on valve rod 50 top.
Ball core 30 of the present invention is wedge type spheroid, and the left and right sides of ball core 30 is that inclined-plane 31 is corresponding with valve body through hole 11 to the vertical central axial direction of ball core extended inclined-plane 31; The inside of valve body 10 is provided with the wedge type cavity 12 matched with ball core 30 shape, size, and wedge type cavity 12 is for installing ball core 30; The top of ball core 30 is provided with preloading spring 70, and the below of preloading spring 70 is provided with spring bearer plate 80, and the below of spring bearer plate 80 is provided with spring pressure ring 90, and the bottom of spring pressure ring 90 is arranged on valve seat 40.
The present invention at low ambient temperatures, space is produced between valve seat 40 and valve body 10, preloading spring 70 pretightening force acts on spring bearer plate 80, spring bearer plate 80 is synchronously pressed into ball core 30 and valve seat 40 in valve body inclined wedge type cavity 12 by spring pressure ring 90 automatically, thus ensure that ball core 30 and valve seat 40 and valve body 10 sealing at low temperatures, improve the life-span of ball core 30; The present invention is different from traditional spring force and acts directly on ball core, and this is novel has more reliable sealability; Meanwhile, preloading spring 70 does not rotate with ball core 30 and rotates, and ensures the stability of valve body 10 internals in switching process, avoids leaking.
Valve gap 20 of the present invention is long-neck structure, and the valve gap 20 being set to long-neck structure can ensure that the filler above valve gap is in normal temperature state all the time, ensures the sealing of filler.
The interior outside of valve seat 40 of the present invention is equipped with eyelet 100, and eyelet 100 ensure that the rigidity of valve seat 40, avoids cold flow in low temperature environment simultaneously, causes valve seal to lose efficacy.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. low temperature fills formula beveled ball valve, comprise valve body, the valve gap be arranged on valve body, the ball core be arranged in valve body, valve seat, be arranged on the valve rod in valve gap and be arranged on the handle on valve rod top; It is characterized in that, described ball core is wedge type spheroid, and the left and right sides of described ball core is that described inclined-plane is corresponding with valve body through hole to the extended inclined-plane of the vertical central axial direction of ball core; The inside of described valve body is provided with the wedge type cavity matched with ball core shape, size; The top of described ball core is provided with preloading spring, and the below of described preloading spring is provided with spring bearer plate, and the below of described spring bearer plate is provided with spring pressure ring, and the bottom of described spring pressure ring is arranged on valve seat.
2. low temperature according to claim 1 fills formula beveled ball valve, it is characterized in that, the interior outside of described valve seat is equipped with eyelet.
3. low temperature according to claim 1 fills formula beveled ball valve, it is characterized in that, described preloading spring pretightening force acts on spring bearer plate, and spring bearer plate is synchronously pressed into ball core and valve seat in valve body inclined wedge type cavity automatically by spring pressure ring.
4. low temperature according to claim 1 fills formula beveled ball valve, it is characterized in that, described valve gap is long-neck structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557947.2A CN104315189A (en) | 2014-10-20 | 2014-10-20 | Low-temperature top-mounted slope ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557947.2A CN104315189A (en) | 2014-10-20 | 2014-10-20 | Low-temperature top-mounted slope ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315189A true CN104315189A (en) | 2015-01-28 |
Family
ID=52370466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557947.2A Pending CN104315189A (en) | 2014-10-20 | 2014-10-20 | Low-temperature top-mounted slope ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315189A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156710A (en) * | 2015-09-28 | 2015-12-16 | 开封瑞科阀门有限公司 | Low-temperature ball valve of pre-tightening sliding valve seat structure |
| CN106122510A (en) * | 2016-08-31 | 2016-11-16 | 成都成高阀门有限公司 | Dress formula low temperature floating ball valve in one |
| CN114688286A (en) * | 2020-12-28 | 2022-07-01 | 纳福希（上海）阀门科技有限公司 | Top-mounted ultra-low temperature floating ball valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1305703A (en) * | 1960-10-26 | 1962-10-05 | Hills Mccanna Co | Ball valve |
| US4253640A (en) * | 1979-03-14 | 1981-03-03 | Hills-Mccanna Company | Actuation system for valve with compound closure movement |
| CN2309461Y (en) * | 1997-04-23 | 1999-03-03 | 高元方 | Self-compensating ball valve |
| CN2713241Y (en) * | 2004-03-04 | 2005-07-27 | 江苏神通阀门有限公司 | Upload ball valve |
| CN201621317U (en) * | 2010-01-19 | 2010-11-03 | 广东明珠流体机械有限公司 | Top assembly type integral inclined surface metal sealing ball valve |
| CN202252071U (en) * | 2011-08-23 | 2012-05-30 | 上海凯工阀门有限公司 | Top-entry wedge-shaped ball valve applied to low-temperature environment |
| CN204176020U (en) * | 2014-10-20 | 2015-02-25 | 圣博莱阀门有限公司 | Low temperature fills formula beveled ball valve |
| CN204176017U (en) * | 2014-09-26 | 2015-02-25 | 宣达实业集团有限公司 | Dress formula inclined-plane ultralow temperature Float ball valve in one |
-
2014
- 2014-10-20 CN CN201410557947.2A patent/CN104315189A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1305703A (en) * | 1960-10-26 | 1962-10-05 | Hills Mccanna Co | Ball valve |
| US4253640A (en) * | 1979-03-14 | 1981-03-03 | Hills-Mccanna Company | Actuation system for valve with compound closure movement |
| CN2309461Y (en) * | 1997-04-23 | 1999-03-03 | 高元方 | Self-compensating ball valve |
| CN2713241Y (en) * | 2004-03-04 | 2005-07-27 | 江苏神通阀门有限公司 | Upload ball valve |
| CN201621317U (en) * | 2010-01-19 | 2010-11-03 | 广东明珠流体机械有限公司 | Top assembly type integral inclined surface metal sealing ball valve |
| CN202252071U (en) * | 2011-08-23 | 2012-05-30 | 上海凯工阀门有限公司 | Top-entry wedge-shaped ball valve applied to low-temperature environment |
| CN204176017U (en) * | 2014-09-26 | 2015-02-25 | 宣达实业集团有限公司 | Dress formula inclined-plane ultralow temperature Float ball valve in one |
| CN204176020U (en) * | 2014-10-20 | 2015-02-25 | 圣博莱阀门有限公司 | Low temperature fills formula beveled ball valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156710A (en) * | 2015-09-28 | 2015-12-16 | 开封瑞科阀门有限公司 | Low-temperature ball valve of pre-tightening sliding valve seat structure |
| CN106122510A (en) * | 2016-08-31 | 2016-11-16 | 成都成高阀门有限公司 | Dress formula low temperature floating ball valve in one |
| CN106122510B (en) * | 2016-08-31 | 2018-08-31 | 成都成高阀门有限公司 | Formula low temperature floating ball valve is filled in one kind |
| CN114688286A (en) * | 2020-12-28 | 2022-07-01 | 纳福希（上海）阀门科技有限公司 | Top-mounted ultra-low temperature floating ball valve |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |