CN103335122B - Be threaded soft sealing butterfly valve - Google Patents
Be threaded soft sealing butterfly valve Download PDFInfo
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- CN103335122B CN103335122B CN201310298312.0A CN201310298312A CN103335122B CN 103335122 B CN103335122 B CN 103335122B CN 201310298312 A CN201310298312 A CN 201310298312A CN 103335122 B CN103335122 B CN 103335122B
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- valve
- valve body
- seal ring
- valve rod
- plate
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Abstract
One is threaded soft sealing butterfly valve, comprise valve body, seal ring, valve plate, valve rod, O shape circle, handle and nut, wherein there is the cavity of an axial hollow in valve body, seal ring is embedded on valve body, and valve plate is arranged in valve body cavity, and valve rod is arranged in the top tubular cavity of valve body, O shape is had to enclose between valve rod and valve body, the two ends of valve rod connect valve plate and handle respectively, are characterized in: the axial two ends of described valve body are processed with internal thread, threadingly can be connected with pipeline.Seal ring is embedded on valve body, by injection machine machine shaping, is fixed seal ring without the need to pressing plate or screw, and seal ring is fixing reliable, and difficult drop-off, can not occur to make valve invalidation phenomenon because seal ring comes off.The present invention adopts with the connection of pipeline and is threaded, and compact structure is easy for installation, and Applicable scope is large, can be widely used in water supply, heating, oil feed line.
Description
Technical field
The present invention relates to a kind of butterfly valve, especially one is threaded soft sealing butterfly valve.
Background technique
At present, industrial valves door type is various, can be widely used in the industries such as chemical industry, food, water, electricity, mainly play Flow-rate adjustment and the cut-off effect of flowing medium.
Butterfly valve refers to that valve plate rotates a kind of valve reaching open and close around valve shaft, and on pipeline, main rising is cut off and throttling use.It is a discoidal valve plate that butterfly valve plays closing member, rotates in valve body around the axis of himself, thus plays the object opening and closing and regulate.The flexible soft seal of butterfly valve and metal hard-sealing two kinds of seal form, the seal ring of soft seal can be embedded on valve body or be attached to valve plate periphery, good seal performance; The valve of hard sealing is generally long than the life of valve of soft seal, the working environment that energy Applicable temperature is higher, but sealability is good not as soft seal.No matter the rubber seal of traditional soft sealing butterfly valve is fixed on valve body or is fixed on valve plate; all need to be fixed rubber seal with pressing plate or screw; and under normal circumstances; the seal face of pressing plate and rubber seal is plane parallel to each other; rubber seal is made to fix so unreliable; be easy to come off, the situation making valve invalidation because seal ring comes off often can occur in actual use.In addition, most butterfly valve and the connection of pipeline all adopt Flange joint, are not suitable for low at pressure, that caliber is little occasion and install.
Summary of the invention
Technical problem to be solved by this invention is that provide for the above-mentioned state of the art a kind of is threaded, the Novel threaded connection soft sealing butterfly valve that seal ring is adeciduate.
The present invention solves the problems of the technologies described above adopted technological scheme: one is threaded soft sealing butterfly valve, comprise valve body, seal ring, valve plate, valve rod, O shape circle, handle and nut, wherein there is the cavity of an axial hollow in valve body, seal ring is embedded on valve body, valve plate is arranged in valve body cavity, valve rod is arranged in the top tubular cavity of valve body, O shape is had to enclose between valve rod and valve body, the two ends of valve rod connect valve plate and handle respectively, be characterized in: the axial two ends of described valve body are processed with internal thread, threadingly can be connected with pipeline.
As improvement, the bottom of described valve body is provided with valve rod positioning hole, can carry out coordinating with valve rod and locate.
As improvement, there is a through hole in the middle of described valve plate, can valve rod be passed;
Corresponding, valve rod, through after valve plate, is fixed by spot welding between the two, is prevented from relatively rotating between valve rod and valve plate.
As improvement, the position that valve body coordinates with seal ring is processed with two recessed grooves;
Corresponding, be such the course of working that described seal ring is mounted on valve body: after the machining operation that valve body is all completes, deburring is carried out to it, cleaning, is put on specialized mould, is placed on injection machine and processes, inject sizing material, cooling forming, obtains the valve body being inlaid with seal ring.
Compared with prior art, the invention has the advantages that: seal ring is embedded on valve body, by injection machine machine shaping, without the need to pressing plate or screw, seal ring is fixed, seal ring is fixing reliable, and difficult drop-off, can not occur to make valve invalidation phenomenon because seal ring comes off.The present invention adopts with the connection of pipeline and is threaded, and compact structure is easy for installation, and Applicable scope is large, can be widely used in water supply, heating, oil feed line.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
One is threaded soft sealing butterfly valve, comprise valve body 1, seal ring 2, valve plate 3, valve rod 4, O shape circle 5, handle 6 and nut 7, wherein there is the cavity of an axial hollow in valve body 1, seal ring 2 is embedded on valve body 1, valve plate 3 is arranged in valve body cavity, valve rod 4 is arranged in the top tubular cavity of valve body 1, O shape is had to enclose 5 between valve rod 4 and valve body 1, valve rod 4 connects valve plate 3 and handle 6, be characterized in: the described axial two ends of valve body 1 are processed with internal thread 11, threadingly can be connected with pipeline.
The bottom of described valve body 1 is provided with valve rod positioning hole 12, can carry out coordinating with valve rod 4 and locate.
There is a through hole 31 in the middle of described valve plate 3, can valve rod 4 be passed; Corresponding, valve rod 4, through after valve plate 3, is fixed by spot welding between the two, is prevented from relatively rotating between valve rod 4 and valve plate 3.
The position that valve body 1 coordinates with seal ring 2 is processed with two recessed grooves 13; Corresponding, such described seal ring 2 course of working be mounted on valve body 1: after the machining operation that valve body 1 is all completes, deburring is carried out to it, cleaning, be put on specialized mould, be placed on injection machine and process, inject sizing material, cooling forming, obtains the valve body 1 being inlaid with seal ring 2.
Compared with prior art, the invention has the advantages that: seal ring 2 is embedded on valve body 1, by injection machine machine shaping, without the need to pressing plate or screw, seal ring 2 is fixed, seal ring 2 is fixing reliable, and difficult drop-off, can not occur to make valve invalidation phenomenon because seal ring comes off.The present invention adopts with the connection of pipeline and is threaded, and compact structure is easy for installation, and Applicable scope is large, can be widely used in water supply, heating, oil feed line.
Claims (3)
1. the soft sealing butterfly valve that is threaded, comprise valve body, seal ring, valve plate, valve rod, 0 shape circle, handle and nut, wherein there is the cavity of an axial hollow in valve body, seal ring is embedded on valve body, valve plate is arranged in valve body cavity, valve rod is arranged in the top tubular cavity of valve body, 0 shape circle is had between valve rod and valve body, the two ends of valve rod connect valve plate and handle respectively, it is characterized in that: the position that valve body coordinates with seal ring is processed with two recessed grooves, described seal ring cross section is in " Ω " type, the described groove at described valve body two ends wraps up the both sides of described seal ring, corresponding, be such the course of working that described seal ring is mounted on valve body: after the machining operation that valve body is all completes, deburring is carried out to it, cleaning, is put on specialized mould, is placed on injection machine and processes, inject sizing material, cooling forming, obtains the valve body being inlaid with seal ring, the axial two ends of described valve body are processed with internal thread, threadingly can be connected with pipeline.
2. according to the soft sealing butterfly valve that is threaded described in claim 1, it is characterized in that the bottom of described valve body is provided with valve rod positioning hole, can carry out coordinating with valve rod and locate.
3., according to the soft sealing butterfly valve that is threaded described in claim 1, it is characterized in that there is a through hole in the middle of described valve plate, can valve rod be passed; Corresponding, valve rod, through after valve plate, is fixed by spot welding between the two, is prevented from relatively rotating between valve rod and valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298312.0A CN103335122B (en) | 2013-07-17 | 2013-07-17 | Be threaded soft sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298312.0A CN103335122B (en) | 2013-07-17 | 2013-07-17 | Be threaded soft sealing butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335122A CN103335122A (en) | 2013-10-02 |
| CN103335122B true CN103335122B (en) | 2015-08-12 |
Family
ID=49243328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298312.0A Active CN103335122B (en) | 2013-07-17 | 2013-07-17 | Be threaded soft sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335122B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953740A (en) * | 2014-05-16 | 2014-07-30 | 宁波华成阀门有限公司 | Soft sealing butterfly valve |
| CN104179993A (en) * | 2014-09-10 | 2014-12-03 | 宁波华成阀门有限公司 | Threaded connection soft seal butterfly valve |
| CN109404566B (en) * | 2017-08-15 | 2023-09-05 | 宁夏银河钢塑滴灌设备有限公司 | Drain valve |
| CN110644198B (en) * | 2018-06-26 | 2023-02-17 | 青岛海尔洗涤电器有限公司 | Clothes treatment equipment and detergent putting device thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4342018A1 (en) * | 1993-12-09 | 1995-06-14 | Ulrich Gmbh & Co Kg | Shut=off device for pipeline |
| CN2409384Y (en) * | 1999-12-30 | 2000-12-06 | 天津塘沽瓦特斯阀门有限公司 | Soft sealed eccentric butterfly valve |
| CN2699074Y (en) * | 2004-05-28 | 2005-05-11 | 林海云 | Contact rubber seal butterfly valve |
| DK1627167T3 (en) * | 2003-05-16 | 2008-04-28 | Alfa Laval Lkm As | Throttle |
| DE202009017936U1 (en) * | 2009-01-14 | 2010-09-16 | Gea Tuchenhagen Gmbh | Butterfly valve |
| CN201723738U (en) * | 2010-07-06 | 2011-01-26 | 浙江精嘉阀门有限公司 | Pneumatic soft-sealing center-line butterfly valve |
| CN201891854U (en) * | 2010-12-10 | 2011-07-06 | 黄祥林 | Butterfly valve |
| CN203413137U (en) * | 2013-07-17 | 2014-01-29 | 宁波华成阀门有限公司 | Threaded connection soft seal butterfly valve |
-
2013
- 2013-07-17 CN CN201310298312.0A patent/CN103335122B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4342018A1 (en) * | 1993-12-09 | 1995-06-14 | Ulrich Gmbh & Co Kg | Shut=off device for pipeline |
| CN2409384Y (en) * | 1999-12-30 | 2000-12-06 | 天津塘沽瓦特斯阀门有限公司 | Soft sealed eccentric butterfly valve |
| DK1627167T3 (en) * | 2003-05-16 | 2008-04-28 | Alfa Laval Lkm As | Throttle |
| CN2699074Y (en) * | 2004-05-28 | 2005-05-11 | 林海云 | Contact rubber seal butterfly valve |
| DE202009017936U1 (en) * | 2009-01-14 | 2010-09-16 | Gea Tuchenhagen Gmbh | Butterfly valve |
| CN201723738U (en) * | 2010-07-06 | 2011-01-26 | 浙江精嘉阀门有限公司 | Pneumatic soft-sealing center-line butterfly valve |
| CN201891854U (en) * | 2010-12-10 | 2011-07-06 | 黄祥林 | Butterfly valve |
| CN203413137U (en) * | 2013-07-17 | 2014-01-29 | 宁波华成阀门有限公司 | Threaded connection soft seal butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103335122A (en) | 2013-10-02 |
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