CN108443529B - A kind of diaphragm valve - Google Patents
A kind of diaphragm valve Download PDFInfo
- Publication number
- CN108443529B CN108443529B CN201810432992.3A CN201810432992A CN108443529B CN 108443529 B CN108443529 B CN 108443529B CN 201810432992 A CN201810432992 A CN 201810432992A CN 108443529 B CN108443529 B CN 108443529B
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- CN
- China
- Prior art keywords
- valve rod
- handle
- ring
- nut
- diaphragm
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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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
Abstract
The invention discloses a kind of diaphragm valves, include handle, fixed ring, valve rod, mandril and parent, it is fixedly connected between the handle and fixed ring by valve rod, the bottom end of the handle is provided with convex block, card slot is offered on the anchor ring of the fixed ring upper end, the convex block is adapted with card slot, and handle is connected in card slot by convex block, it at most can be rotated 90 ° in the top of fixed ring, the valve rod is threaded rod, the upper end of valve rod is interspersed in the inner ring of handle, the lower thread of valve rod is interspersed in fixed ring, and it is located at fixation on the valve rod below fixed ring and is arranged valve rod nut, fixation is threadedly coupled between the valve rod nut and valve rod.The diaphragm valve shows diaphragm valve opening and closing state by handle, the air-flow in sensitive control valve pipeline, and diaphragm type hard sealing structure, good seal performance, reliably.
Description
Technical field
The invention belongs to gas piping system technical field of switch control, and in particular to a kind of diaphragm valve.
Background technique
Diaphragm valve is a kind of valve being often used in the industries such as power station, chemical plant installations and medical aviation, with power station, chemical industry
The rapid development of the industries such as device and medical aviation, high-purity gas control is more and more important in the application, uses diaphragm valve upper
The demand of convenient, safe and stable property greatly improve.
Currently, conventional diaphragm valve is when in use, rotated by handle, the rotation of handle can not show opening for diaphragm valve
It opens and closed state, so as to cause adjusting can not be rapidly performed by when in use, to change the switching state of valve, reaches spirit
The purpose of air-flow in quick control valve pipeline.
Summary of the invention
The purpose of the present invention is to provide a kind of diaphragm valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of diaphragm valve, including handle, fixed ring, valve
Bar, mandril and parent are fixedly connected between the handle and fixed ring by valve rod, and the bottom end of the handle is provided with convex block,
Card slot is offered on the anchor ring of the fixed ring upper end, the convex block is adapted with card slot, and handle is connected to card slot by convex block
It is interior, it at most can be rotated 90 ° in the top of fixed ring, the valve rod is threaded rod, and the upper end of valve rod is interspersed in the inner ring of handle,
The lower thread of valve rod is interspersed in fixed ring, and is located at fixation on the valve rod below fixed ring and is arranged valve rod nut, the valve
It is threadedly coupled fixation between bar nut and valve rod, is equipped with mandril, the mandril and valve rod nut in the bottom end inner ring of valve rod nut
Between be provided with mandril housing, the mandril housing fixation is set on the top of mandril, and the bottom end of mandril is provided with circular
The bottom end of diaphragm, valve rod nut is plugged in parent, and valve rod nut is threadedly coupled by the external screw thread of bottom end outer ring with parent
Fixed, the both ends of the parent outer ring are symmetrically arranged with the second screw thread hole slot, the bottom of the second screw thread hole slot and parent described in two groups
The internal connection in end.
Preferably, it is provided with handle nut cap in the top inner ring of the handle, is provided with spiral shell below the handle nut cap
Mother, and handle nut cap inner ring is connected with the inner ring of nut, the top of the valve rod passes through nut to handle in handle inner ring
In the inner ring of nut cap lower end, the nut is threadedly coupled with the top of valve rod, and valve rod is fixed in handle by nut, the hand
It is connected and fixed between handle nut cap and handle.
Preferably, the valve rod upper end diameter is less than lower end diameter, and the upper end of valve rod is arranged with bullet in handle bottom end
Spring.
Preferably, the two sides of the fixed ring outer ring are symmetrically drilled with the first screw thread hole slot, the first threaded hole described in two groups
Slot is connected with the inner ring of fixed ring, and equal screw thread is plugged with soket head cap screw, the soket head cap screw in the first screw thread hole slot
Bottom end squeeze fixed ring in valve rod.
Preferably, the outer annular diameter of the mandril housing is identical as the annular diameters of valve rod nut bottom end.
Preferably, the diaphragm is provided with four groups altogether, stacks and is arranged between the bottom end and parent of mandril housing, diaphragm
Bottom end be provided with the slightly smaller gasket pressure ring of diameter.
Preferably, it is arranged with gasket in the gasket pressure ring, the lower end of gasket pressure ring is in parent, with parent spiral shell
Line is connected and fixed, and the bottom end of the gasket is fixed in parent, and top and the gasket pressure ring of gasket are fixedly attached.
Preferably, filter screen is provided with inside the second screw thread hole slot, the filter screen fixed sleeves are equipped with filtering
Network pressure ring, the outer diameter of the filter screen pressure ring is identical as the internal diameter of the second screw thread hole slot, and filter screen is solid by filter screen pressure ring
It is scheduled in the second screw thread hole slot of parent.
Technical effect and advantage of the invention: the diaphragm valve, by diaphragm type hard sealing structure, good seal performance, reliably；
The excellent corrosion resistance of Hastelloy diaphragm keeps product use scope wider, and dead zone is small, is easy to exclude residual gas；And pass through
The bottom end of handle is provided with convex block, and convex block is adapted with the card slot of fixed ring, to be rotated in fixed ring by orienting handle
90 °, so that 90 ° of switches of handle band indicate function, it can clearly distinguish product and open and close state；Last diaphragm valve operating pressure
It can reach 300bar, -30 DEG C~+74 DEG C of Applicable temperature, used for high-purity gas system.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is explosive view of the invention.
In figure: 1 handle, 2 handle nut caps, 3 nuts, 4 fixed rings, 5 valve rods, 6 valve rod nuts, 7 mandrils, 8 gasket pressure rings,
9 parents, 10 springs, 11 soket head cap screws, 12 mandril housings, 13 diaphragms, 14 gaskets, 15 filter screen pressure rings, 16 filter screens, 17
Second screw thread hole slot, 18 first screw thread hole slots, 19 convex blocks, 20 card slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of diaphragm valves as shown in Figs. 1-2, including handle 1, fixed ring 4, valve rod 5, mandril 7 and mother
Body 9 is fixedly connected between the handle 1 and fixed ring 4 by valve rod 5, and the bottom end of the handle 1 is provided with convex block 19, described
Card slot 20 is offered on 4 upper end anchor ring of fixed ring, the convex block 19 is adapted with card slot 20 so that handle 1 in fixed ring 4 most
Can be rotated 90 °, the valve rod 5 is threaded rod more, and the upper end of valve rod 5 is interspersed in the inner ring of handle 1, the lower thread of valve rod 5
It is interspersed in fixed ring 4, and is located at fixation on the valve rod 5 of 4 lower section of fixed ring and is arranged valve rod nut 6, the valve rod nut 6 and valve
It is threadedly coupled and fixes between bar 5, mandril 7 is equipped in the bottom end inner ring of valve rod nut 6, is set between the mandril 7 and valve rod nut 6
It is equipped with mandril housing 12, the fixation of mandril housing 12 is set on the top of mandril 7, and the bottom end of mandril 7 is provided with circular
Diaphragm 13, the bottom end of valve rod nut 6 are plugged in parent 9, and the external screw thread and 9 spiral shell of parent that valve rod nut 6 passes through bottom end outer ring
Line is connected and fixed, and the both ends of 9 outer ring of parent are symmetrically arranged with the second screw thread hole slot 17, the second screw thread hole slot 17 described in two groups
It is connected to the bottom inner portion of parent 9.
Specifically, being provided with handle nut cap 2 in the top inner ring of the handle 1, the lower section of the handle nut cap 2 is provided with
Nut 3, and 2 inner ring of handle nut cap is connected with the inner ring of nut 3, the top of the valve rod 5 passes through nut in 1 inner ring of handle
3 into 2 lower end inner ring of handle nut cap, and the nut 3 is threadedly coupled with the top of valve rod 5, and valve rod 5 is fixed on by nut 3
In handle 1, connected and fixed between the handle nut cap 2 and handle 1.
Specifically, 5 upper end diameter of valve rod is less than lower end diameter, and the upper end of valve rod 5 is arranged in 1 bottom end of handle
Spring 10.
Specifically, the two sides of 4 outer ring of fixed ring are symmetrically drilled with the first screw thread hole slot 18, the first screw thread described in two groups
Hole slot 18 is connected with the inner ring of fixed ring 4, and equal screw thread is plugged with soket head cap screw 11 in the first screw thread hole slot 18, described interior
The bottom end of hex screw 11 squeezes the valve rod 5 in fixed ring 4.
Specifically, the outer annular diameter of the mandril housing 12 is identical as the annular diameters of 6 bottom end of valve rod nut.
Specifically, the diaphragm 13 is provided with four groups altogether, stack the bottom end that mandril housing 12 is set and parent 9 it
Between, the bottom end of diaphragm 13 is provided with the slightly smaller gasket pressure ring 8 of diameter.
Specifically, be arranged with gasket 14 in the gasket pressure ring 8, the lower end of gasket pressure ring 8 in parent 9, with
Parent 9, which is threadedly coupled, to be fixed, and the bottom end of the gasket 14 is fixed in parent 9, the top of gasket 14 and gasket pressure ring 8
It is fixedly attached.
Specifically, being provided with filter screen 16 inside the second screw thread hole slot 17,16 fixed sleeves of filter screen are set
There is filter screen pressure ring 15, the outer diameter of the filter screen pressure ring 15 is identical as the internal diameter of the second screw thread hole slot 17, and filter screen 16 is logical
Filter screen pressure ring 15 is crossed to be fixed in the second screw thread hole slot 17 of parent 9.
Specifically, the diaphragm valve, in use, by rotational handle 1, handle 1 is in 90 ° of ranges in fixed ring 4
Interior rotation has driven the raising and lowering for the valve rod 5 being fixedly connected with handle 1, rotates counterclockwise handle 1 and declines with ovable valve stem 5,
Mandril 7 is pushed, on diaphragm 13,13 stress of diaphragm deforms downwards 7 down force of mandril, thus contacted with gasket 14,
Make to seal inside parent 9 into type by gasket 14, close valve, rotate clockwise handle 1, band ovable valve stem 5 moves up, passes through
The excellent elasticity of diaphragm 13 itself and air pressure make diaphragm 13 restore original-pack, open valve, diaphragm 13 separates medium and atmosphere.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of diaphragm valve, including handle (1), fixed ring (4), valve rod (5), mandril (7) and parent (9), it is characterised in that: institute
It states and is fixedly connected between handle (1) and fixed ring (4) by valve rod (5), the bottom end of the handle (1) is provided with convex block (19),
It is offered card slot (20) on the anchor ring of fixed ring (4) upper end, the convex block (19) is adapted with card slot (20), the valve rod
It (5) is threaded rod, the upper end of valve rod (5) is interspersed in the inner ring of handle (1), and the lower thread of valve rod (5) is interspersed in fixed ring
(4) in, and it is located at fixation on the valve rod (5) below fixed ring (4) and is arranged valve rod nut (6), the valve rod nut (6) and valve rod
(5) it is threadedly coupled and fixes between, be equipped with mandril (7) in the bottom end inner ring of valve rod nut (6), the mandril (7) and valve rod nut
(6) it is provided between mandril housing (12), mandril housing (12) fixation is set on the top of mandril (7), mandril (7)
Bottom end is provided with circular diaphragm (13), and the bottom end of valve rod nut (6) is plugged in parent (9), and valve rod nut (6) passes through bottom
The external screw thread of end outer ring is threadedly coupled fixation with parent (9), and the both ends of parent (9) outer ring are symmetrically arranged with the second threaded hole
Slot (17), the second screw thread hole slot (17) described in two groups are connected to the bottom inner portion of parent (9).
2. a kind of diaphragm valve according to claim 1, it is characterised in that: be provided in the top inner ring of the handle (1)
Handle nut cap (2) is provided with nut (3) below the handle nut cap (2), and handle nut cap (2) inner ring and nut (3) is interior
Ring is connected, and the top of the valve rod (5) passes through in the inner ring of nut (3) to handle nut cap (2) lower end in handle (1) inner ring,
The nut (3) is threadedly coupled with the top of valve rod (5), and valve rod (5) is fixed in handle (1) by nut (3), the hand
It is connected and fixed between handle nut cap (2) and handle (1).
3. a kind of diaphragm valve according to claim 1, it is characterised in that: it is straight that valve rod (5) upper end diameter is less than lower end
Diameter, and the upper end of valve rod (5) is arranged with spring (10) in handle (1) bottom end.
4. a kind of diaphragm valve according to claim 1, it is characterised in that: the two sides of fixed ring (4) outer ring are symmetrical
It is drilled with the first screw thread hole slot (18), the first screw thread hole slot (18) described in two groups is connected with the inner ring of fixed ring (4), and the first spiral shell
Equal screw thread is plugged with soket head cap screw (11) in pit slot (18), and the bottom end of the soket head cap screw (11) squeezes fixed ring (4)
In valve rod (5).
5. a kind of diaphragm valve according to claim 1, it is characterised in that: the outer annular diameter and valve of the mandril housing (12)
The annular diameters of bar nut (6) bottom end are identical.
6. a kind of diaphragm valve according to claim 1, it is characterised in that: the diaphragm (13) is provided with four groups altogether, equal heap
Folded to be arranged between the bottom end and parent (9) of mandril housing (12), the bottom end of diaphragm (13) is provided with the slightly smaller gasket of diameter
Pressure ring (8).
7. a kind of diaphragm valve according to claim 6, it is characterised in that: be arranged with sealing in the gasket pressure ring (8)
It pads (14), the lower end of gasket pressure ring (8) is threadedly coupled fixation with parent (9) in parent (9), the gasket (14)
Bottom end is fixed in parent (9), and top and the gasket pressure ring (8) of gasket (14) are fixedly attached.
8. a kind of diaphragm valve according to claim 1, it is characterised in that: be respectively provided with inside the second screw thread hole slot (17)
Have filter screen (16), filter screen (16) fixed sleeves are equipped with filter screen pressure ring (15), outside the filter screen pressure ring (15)
Diameter is identical as the internal diameter of the second screw thread hole slot (17), and filter screen (16) is fixed on parent (9) by filter screen pressure ring (15)
In second screw thread hole slot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432992.3A CN108443529B (en) | 2018-05-08 | 2018-05-08 | A kind of diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432992.3A CN108443529B (en) | 2018-05-08 | 2018-05-08 | A kind of diaphragm valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443529A CN108443529A (en) | 2018-08-24 |
| CN108443529B true CN108443529B (en) | 2019-07-02 |
Family
ID=63203282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432992.3A Active CN108443529B (en) | 2018-05-08 | 2018-05-08 | A kind of diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443529B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296795A (en) * | 2018-10-31 | 2019-02-01 | 北京动力机械研究所 | A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19751678A1 (en) * | 1997-11-21 | 1999-06-02 | Messer Griesheim Gmbh | Residual pressure valve |
| CN203963161U (en) * | 2014-06-09 | 2014-11-26 | 宁波新佳行自动化工业有限公司 | Mini filtering pressure reducing valve |
| CN204403439U (en) * | 2014-12-26 | 2015-06-17 | 北京康拓科技有限公司 | A kind of manual diaphragm valve with self-locking structure |
| CN105318038A (en) * | 2014-06-06 | 2016-02-10 | 喜开理株式会社 | Manual opening/closing valve |
| CN205824260U (en) * | 2016-07-08 | 2016-12-21 | 杨波 | A kind of diaphragm valve |
| CN206904273U (en) * | 2017-07-04 | 2018-01-19 | 深圳市兰洋科技有限公司 | Valve mechanism |
-
2018
- 2018-05-08 CN CN201810432992.3A patent/CN108443529B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19751678A1 (en) * | 1997-11-21 | 1999-06-02 | Messer Griesheim Gmbh | Residual pressure valve |
| CN105318038A (en) * | 2014-06-06 | 2016-02-10 | 喜开理株式会社 | Manual opening/closing valve |
| CN203963161U (en) * | 2014-06-09 | 2014-11-26 | 宁波新佳行自动化工业有限公司 | Mini filtering pressure reducing valve |
| CN204403439U (en) * | 2014-12-26 | 2015-06-17 | 北京康拓科技有限公司 | A kind of manual diaphragm valve with self-locking structure |
| CN205824260U (en) * | 2016-07-08 | 2016-12-21 | 杨波 | A kind of diaphragm valve |
| CN206904273U (en) * | 2017-07-04 | 2018-01-19 | 深圳市兰洋科技有限公司 | Valve mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443529A (en) | 2018-08-24 |
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