CN110274045A - A kind of ball valve with non-return structure - Google Patents
A kind of ball valve with non-return structure Download PDFInfo
- Publication number
- CN110274045A CN110274045A CN201910580088.1A CN201910580088A CN110274045A CN 110274045 A CN110274045 A CN 110274045A CN 201910580088 A CN201910580088 A CN 201910580088A CN 110274045 A CN110274045 A CN 110274045A
- Authority
- CN
- China
- Prior art keywords
- core
- return structure
- ball valve
- return
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/184—Combined check valves and actuated valves
- F16K15/1848—Check valves combined with valves having a rotating tap or cock
-
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
- F16K5/0657—Particular coverings or materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of ball valves with non-return structure, including valve body, end cap, core and switch knob, the valve body and end cap central are equipped with hollow inner passageway, the core is movably arranged in the hollow inner passageway, the core is equipped with horizontal perforative core bore, the switch knob is connect with the core, and core rotation is driven by rotating switch handle, realize opening or closing for ball valve, non-return structure is movably equipped in the core bore of the core, the non-return structure includes segment sealing and the non-return blocking portion affixed with it, the core bore includes arrival end and outlet end, the arrival end is equipped with the tapered hole of arc matched with the segment sealing, the outlet end, which is equipped with, limits the mobile blocker ring of the non-return blocking portion.Compared with prior art, this ball-valve structure is compact, components are few, does not change the manufacturing process of existing ball valve, and convenient for safeguarding and processing eliminates the installation of pipeline special secondary school door check (non-return) valve, reduces disclosure risk.
Description
Technical field
The present invention relates to a kind of ball valves, and in particular to a kind of ball valve with non-return structure.
Background technique
Ball valve is widely used due to the advantages that small in size, corrosion-resistant.Its basic function is realized by core rotation
The truncation and connection of medium.Ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline, it is only needed
It can be closed tightly with the rotating torque of the operation and very little that are rotated by 90 °.General ball valve includes the portions such as valve body, sphere and valve rod
Be grouped as, essentially as cut-off valve come using.
Check (non-return) valve refers to opening and closing element for round flap and by own wt or pressure medium generation movement to block medium to flow backwards
A kind of valve.In existing pipeline technology, after mounting ball valve, to avoid pipeline from backflow phenomena occur, generally require again additional
Install check (non-return) valve additional, this adds increased the complexity of pipeline structure and interface quantities, to bring disclosure risk.If by ball valve and only
Inverse valve is integrated according to succession, then increases the manufacture difficulty of ball valve again.
Although the prior art has invention that ball valve and check (non-return) valve are integrated, be substantially ball valve front end or after
End installs non-return structure additional.Such as CN202946731U, provide a kind of ball valve with unidirectional inverse-stopping functions, including valve body, ball
Spool, antireverse valve spool and spring.The core is the stainless steel components of spheroidal, and center is equipped with horizontal perforative circular through hole；
Antireverse valve spool is equipped in ball valve core right part internal channel, the antireverse valve spool right side is equipped with spring, and spring forces antireverse valve spool to be blockaded
The right part internal channel of valve body.The patent has the following deficiencies: 1) since structure is different from ball valve, can not continue to use the system of existing ball valve
Technique is made, is needed using new manufacturing process, manufacture difficulty is big；2) it is installed additional in flow path and blocks spring, so that low-pressure fluid is being opened
Access cannot be normally formed under valve state；3) it is installed additional in flow path and blocks spring, flexibility decrease after a period of time, device will lose only
Reverse effect.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of ball valve with non-return structure, removes pipeline from
In additional check (non-return) valve installation, reduce the disclosure risk of pipeline, and do not change the manufacturing process of existing ball valve, only change ball valve
The manufacturing process of spool.
The purpose of the present invention is achieved through the following technical solutions:
A kind of ball valve with non-return structure, including valve body, end cap, core and switch knob, the end cap are installed on institute
Valve body one end is stated, the valve body and end cap central are equipped with hollow inner passageway, and the core is movably arranged in the hollow inner passageway,
The core is equipped with horizontal perforative core bore, and the switch knob is connect with the core, and is driven by rotating switch handle
Core rotation, realizes opening or closing for ball valve, non-return structure, the non-return structure packet is movably equipped in the core bore of the core
Segment sealing and the non-return blocking portion affixed with it are included, the core bore includes arrival end and outlet end, and the arrival end is set
There is the tapered hole of arc matched with the segment sealing, the outlet end, which is equipped with, limits the mobile resistance of the non-return blocking portion
Baffle ring.
When fluid normally flows through ball valve ball core, non-return structure is pushed to be moved to the blocking ring position of core bore outlet end, and by
Limit, fluid are flowed out from the gap of non-return structure and core bore；When adverse current occurs, the fluid forces non-return structure of adverse current is towards core
The tapered hole of the arc of hole arrival end, the segment sealing and the tapered hole gluing, sealing of arc of non-return structure, stops the adverse current of fluid.
Further, the tapered hole of the arc orient diameter that fluid flows along ball valve becomes larger.
Further, the core bore is cylindrical hole at the rear portion in the tapered hole of the arc, and the blocker ring is set to cylindrical hole
End, the non-return structure is limited in the cylindrical hole.
Further, the non-return blocking portion is cross floor, and the segment sealing is spherical scarce block, front end have with
The arc sealing surface of the tapered hole palette of arc, the rear end of the segment sealing are circular flat.
Further, the size of the segment sealing is less than the internal diameter of the cylindrical hole, the non-return structure and cylinder
The gap passed through for fluid is formed between the inner wall of hole.
Further, the length of the cross floor is less than the internal diameter of the cylindrical hole, greater than the internal diameter of blocker ring.
Further, the core is made for stainless steel material.
Further, the segment sealing of the non-return structure is made using rubber or plastic material.
The working principle of ball valve of the present invention is, when fluid normally flows through ball valve ball core in order, pushes non-return structure mobile
To the blocking ring position of core bore outlet end, due to the effect of blocker ring, non-return structure is limited, and fluid is from non-return structure and core bore
Gap outflow；When adverse current occurs, the tapered hole of arc of fluid forces non-return structure towards the core bore arrival end of adverse current is non-return
The segment sealing of structure is equipped with arc sealing surface, and arc sealing surface and the tapered hole of arc can be very good gluing, sealing, with resistance
The adverse current of baffle body.
Compared with prior art, the invention has the following advantages that
1, compact-sized, components are few, do not change the manufacturing process of existing ball valve, convenient for safeguarding and processing.
2, the installation for eliminating pipeline special secondary school door check (non-return) valve, reduces disclosure risk.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the right view of non-return component.
In figure, 1- switch knob, 2- valve body, 3- end cap, 4- core, 5- segment sealing, the non-return blocking portion of 6-, 7- stop
Ring.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
Such as Fig. 1, a kind of ball valve with non-return structure, including valve body 2, end cap 3, core 4 and switch knob 1, end cap 3 are pacified
Loaded on 2 one end of valve body, valve body 2 and 3 center of end cap are equipped with hollow inner passageway, and core 4 is movably arranged in hollow inner passageway, core 4
Equipped with horizontal perforative core bore, switch knob 1 is connect with core 4, and drives core 4 to rotate by rotating switch handle 1, is realized
Ball valve opens or closes.It is input end on the left of this ball valve, right side is outlet end, and switch knob 1 is rotated from horizontal position to perpendicular
Straight position, core rotates 90 degree at this time, and ball valve is opened, and fluid media (medium) enters from left side, the core bore outflow by core 4.
It is movably equipped with non-return structure in the core bore of this core 4, non-return structure includes segment sealing 5 and affixed with it
Non-return blocking portion 6, core bore include arrival end and outlet end, and arrival end is equipped with the tapered hole of arc matched with segment sealing 5,
The tapered hole of the arc orient diameter that fluid flows along ball valve becomes larger, and outlet end, which is equipped with, limits the non-return movement of blocking portion 6
Blocker ring 7.Core bore is cylindrical hole at the rear portion in the tapered hole of arc, and blocker ring 7 is set to the end of cylindrical hole, and non-return structure is limited
In cylindrical hole.
Such as Fig. 2, non-return blocking portion 6 is cross floor, and segment sealing 5 is spherical scarce block, and front end has tapered with arc
The arc sealing surface of hole palette, the rear end of segment sealing 5 are circular flat.The size of segment sealing 5 is less than cylinder
The internal diameter in hole forms the gap passed through for fluid between non-return structure and cylindrical hole inner wall.The length of cross floor is less than cylinder
The internal diameter in hole, greater than the internal diameter of blocker ring 7, so that non-return structure is moved freely in core bore, and realizes right side limit, left side is close
Envelope.Core can be used stainless steel material and be made, and rubber can be used in the segment sealing 5 of non-return structure or plastic material is made.
The working principle of ball valve of the present invention is, when fluid normally flows through ball valve ball core 4 from left to right in order, pushes non-return
Structure is moved to 7 position of blocker ring of core bore outlet end, and due to the effect of blocker ring 7, non-return structure is limited, and fluid is from non-return
The outflow of the gap of structure and core bore；When adverse current occurs, the arc of the fluid forces non-return structure of adverse current towards core bore arrival end
The segment sealing 5 in tapered hole, non-return structure is equipped with arc sealing surface, and arc sealing surface can be very good to paste with the tapered hole of arc
Sealing is closed, to stop the adverse current of fluid, until reverse flow conditions disappear, flow path reopens automatically again.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (8)
1. a kind of ball valve with non-return structure, including valve body, end cap, core and switch knob, the end cap is installed on described
Valve body one end, the valve body and end cap central are equipped with hollow inner passageway, and the core is movably arranged in the hollow inner passageway, institute
It states core and is equipped with horizontal perforative core bore, the switch knob is connect with the core, and drives ball by rotating switch handle
Core rotation, realizes opening or closing for ball valve,
It is characterized in that, be movably equipped with non-return structure in the core bore of the core, the non-return structure include segment sealing with
And the non-return blocking portion affixed with it, the core bore include arrival end and outlet end, the arrival end is equipped with close with the segment
The tapered hole of the arc that envelope portion matches, the outlet end, which is equipped with, limits the mobile blocker ring of the non-return blocking portion.
2. a kind of ball valve with non-return structure according to claim 1, which is characterized in that the tapered hole edge of the arc
The orient diameter that fluid flows in ball valve becomes larger.
3. a kind of ball valve with non-return structure according to claim 2, which is characterized in that the core bore is in the arc
The rear portion in tapered hole is cylindrical hole, and the blocker ring is set to the end of cylindrical hole, and the non-return structure is limited in the cylinder
In hole.
4. a kind of ball valve with non-return structure according to claim 3, which is characterized in that the non-return blocking portion is ten
Word floor, the segment sealing are spherical scarce block, and front end has the arc sealing surface with the tapered hole palette of the arc,
The rear end of the segment sealing is circular flat.
5. a kind of ball valve with non-return structure according to claim 4, which is characterized in that the ruler of the segment sealing
The very little internal diameter less than the cylindrical hole forms the gap passed through for fluid between the non-return structure and cylindrical hole inner wall.
6. a kind of ball valve with non-return structure according to claim 5, which is characterized in that the length of the cross floor
Less than the internal diameter of the cylindrical hole, greater than the internal diameter of blocker ring.
7. a kind of ball valve with non-return structure according to claim 1, which is characterized in that the core is stainless steel
Matter is made.
8. a kind of ball valve with non-return structure according to claim 1, which is characterized in that the segment of the non-return structure
Sealing is made using rubber or plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580088.1A CN110274045A (en) | 2019-06-28 | 2019-06-28 | A kind of ball valve with non-return structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580088.1A CN110274045A (en) | 2019-06-28 | 2019-06-28 | A kind of ball valve with non-return structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110274045A true CN110274045A (en) | 2019-09-24 |
Family
ID=67963612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910580088.1A Pending CN110274045A (en) | 2019-06-28 | 2019-06-28 | A kind of ball valve with non-return structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274045A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565865U (en) * | 1979-06-26 | 1981-01-19 | ||
| JPS57205455U (en) * | 1981-06-26 | 1982-12-27 | ||
| CN2182913Y (en) * | 1993-12-23 | 1994-11-16 | 刘启祥 | Automatic valve with double core |
| JP2000179713A (en) * | 1998-12-14 | 2000-06-27 | Ebara Corp | Valve device |
| CN204083332U (en) * | 2014-09-16 | 2015-01-07 | 江山市瑞申机械有限公司 | A kind of ball valve with check function |
| CN204942590U (en) * | 2015-07-16 | 2016-01-06 | 浙江中鑫管业有限公司 | A kind of ball valve of easy mounting strap safety check |
| CN206338447U (en) * | 2016-12-29 | 2017-07-18 | 凯喜姆阀门有限公司 | A kind of multi-function ball stops valve |
| CN206449256U (en) * | 2017-01-16 | 2017-08-29 | 成都天蓝化工科技有限公司 | Simple one-way valve |
| CN206468855U (en) * | 2017-02-14 | 2017-09-05 | 浙江华龙巨水科技股份有限公司 | Ball check valve |
-
2019
- 2019-06-28 CN CN201910580088.1A patent/CN110274045A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565865U (en) * | 1979-06-26 | 1981-01-19 | ||
| JPS57205455U (en) * | 1981-06-26 | 1982-12-27 | ||
| CN2182913Y (en) * | 1993-12-23 | 1994-11-16 | 刘启祥 | Automatic valve with double core |
| JP2000179713A (en) * | 1998-12-14 | 2000-06-27 | Ebara Corp | Valve device |
| CN204083332U (en) * | 2014-09-16 | 2015-01-07 | 江山市瑞申机械有限公司 | A kind of ball valve with check function |
| CN204942590U (en) * | 2015-07-16 | 2016-01-06 | 浙江中鑫管业有限公司 | A kind of ball valve of easy mounting strap safety check |
| CN206338447U (en) * | 2016-12-29 | 2017-07-18 | 凯喜姆阀门有限公司 | A kind of multi-function ball stops valve |
| CN206449256U (en) * | 2017-01-16 | 2017-08-29 | 成都天蓝化工科技有限公司 | Simple one-way valve |
| CN206468855U (en) * | 2017-02-14 | 2017-09-05 | 浙江华龙巨水科技股份有限公司 | Ball check valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6899127B1 (en) | Non-vibrating ball check valve | |
| WO1998051948A1 (en) | Spring body excess flow valve and method of using same | |
| CN208919413U (en) | A kind of water injection well check valve | |
| CN110274045A (en) | A kind of ball valve with non-return structure | |
| CN108426051A (en) | A kind of Double-seal valve | |
| KR101238180B1 (en) | Check Valve | |
| CN208595260U (en) | A kind of two way cock formula valve | |
| CN203641597U (en) | Non-return ball valve | |
| WO2022247728A1 (en) | Check valve | |
| CN105736729B (en) | A kind of anti-blocking resistance to erosion two way seal regulating valve | |
| CN211398674U (en) | Double check valve, combination valve and magnetic control drip-proof combination valve | |
| CN209385696U (en) | Rotary type throttle valve | |
| CN207598947U (en) | Rotary-type valving | |
| CN207609826U (en) | A kind of safety valve | |
| CN209325101U (en) | A kind of slide column type pneumatic control valve | |
| CN205401794U (en) | Right angle ball valve | |
| CN221610649U (en) | Rubber flap check valve with adjustable valve flap opening and closing degree | |
| CN220850870U (en) | One-way manual valve | |
| CN214889101U (en) | Novel noise elimination check valve | |
| CN208703197U (en) | A kind of cast steel formula lifting silent check valve | |
| CN221278556U (en) | Integrated stop check valve | |
| CN216306768U (en) | Switch valve for automobile | |
| CN220470659U (en) | Valve with high impact resistance | |
| CN213451882U (en) | Flap type one-way valve | |
| CN220668427U (en) | Gate valve with pressure protection valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20190924 |