CN103423149B - Diaphragm of diaphragm pump quick replacable type hold-down mechanism - Google Patents
Diaphragm of diaphragm pump quick replacable type hold-down mechanism Download PDFInfo
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- CN103423149B CN103423149B CN201310337841.7A CN201310337841A CN103423149B CN 103423149 B CN103423149 B CN 103423149B CN 201310337841 A CN201310337841 A CN 201310337841A CN 103423149 B CN103423149 B CN 103423149B
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Abstract
When the present invention is directed to diaphragm replacement cost in conventional diaphragm pump, effort, and the deficiency tightening the aspects such as middle inconvenience control pressurized pretightening force is started with, design a kind of diaphragm of diaphragm pump quick replacable type hold-down mechanism, there is the diaphragm cavity for installing diaphragm, it is characterized in that: in the cavity that diaphragm is arranged on diaphragm cavity and the barrier film pressure head press seal of border, barrier film pressure head is positioned at diaphragm cavity mounting hole and seals between the two; Barrier film pressure head, with tightening flange screw, is tightened flange and the pressing plate be arranged on diaphragm cavity outer side surface and is linked by screw thread spiral shell and connect.The present invention relates to a kind of brand-new diaphragm of diaphragm pump quick change mechanism, to improve sealing function, reduce labor intensity, reach reliable and secure, time saving and energy saving.
Description
Technical field
The invention belongs to the improvement of diaphragm structure in conveying equipment for fluid substances technical field, particularly diaphragm pump.
Background technique
In industries such as oilfield exploitation, non-ferrous metal hydrometallurgy, Coal Chemical Industries, in the diaphragm pump of the medium of conveying sewage, emulsified liquid, high temperature and highly corrosive, all use diaphragm.Domestic petroleum and coal chemical industry, all kinds of nonferrous metals ore and thermal power plant are all at use reciprocating hydraulic diaphragm pump, by diaphragm element, conveying slurry is all isolated in medium runner side, work under making plunger (piston) parts be in hydraulic oil, thus substantially prolongs the life-span of Sealing, but the barrier film as shape deflection deformation, bearing pressure and spacer medium just certainly will become the easily damaged parts of Diaphragm pump system, need frequently change.Diaphragm pump is the key equipment of above-mentioned industry delivery technology, and design of diaphragm pump diaphragm rapid-changing structure is the key ensureing this technological process safety, reliable and economical operation.
At present, conventional diaphragm pump is in the design of fluid power terminal membrane chamber, owing to limiting by factors such as pump stroke, pump speed, piston (plunger) sectional areas, consider the characteristics such as diaphragm physical change, deflection deformation, in pump hydraulic end, diaphragm structure design, often require that deformation of membrane is little as far as possible, thus improve diaphragm working life, such diaphragm needs to amplify in diametric(al) as far as possible, this just causes film chamber sectional area and increases, corresponding film chamber gland diameter also becomes large, and piston (plunger) thrust that carrying is very large.
Therefore, in order to make pump hydraulic end pressure-bearing safety, reliable, good seal performance in structural design, use barrier film gland location barrier film pressure head, barrier film gland is overall structure, uses bolt to be connected on diaphragm cavity, often will arrange dozens of bolt at barrier film gland anchor ring, and the diameter of bolt is large, and in bolton process, also to overcome pressurized inequality, the upper phenomenon such as not in place as far as possible.This brings great inconvenience at dismounting and change diaphragm just to user, time-consuming, effort and cost is high.
Summary of the invention
The object of patented technology of the present invention, be in conventional diaphragm pump during diaphragm replacement cost, effort, and the deficiency tightening the aspects such as middle inconvenience control pressurized pretightening force is started with, and then a kind of brand-new diaphragm of diaphragm pump quick change mechanism of design, to improve sealing function, reduce labor intensity, reach reliable and secure, time saving and energy saving.
Specifically, diaphragm of diaphragm pump quick replacable type hold-down mechanism, having the diaphragm cavity for installing diaphragm, it is characterized in that: in the cavity that diaphragm is arranged on diaphragm cavity and the barrier film pressure head press seal of border, barrier film pressure head is positioned at diaphragm cavity mounting hole and seals between the two; Barrier film pressure head, with tightening flange screw, is tightened flange and the pressing plate be arranged on diaphragm cavity outer side surface and is linked by buttress thread form spiral shell and connect.
The feature of structure of the present invention is:
(1) design of this structure septation pressure head, can compress the surrounding of diaphragm uniformly, and establish two seals ensure that in radial position the surrounding pressurized of diaphragm is even simultaneously, and sealing is reliable simultaneously;
(2) tighten flange and pressing plate in this structure to adopt the screw thread spiral shell of quick-detachment to link between the two to connect, this design overcomes and is tightening the uneven situation of pretightening force in process, change in the process of diaphragm frequent simultaneously, avoid the whole circle bolt of traditional mode-dismounting one, only simply need disassemble and tighten flange, take out barrier film pressure head and diaphragm, reach rapid and convenient, reduce the labor intensity of operator, interchangeability is strong.
Instant invention overcomes existing hold-down mechanism defect, and can ensure safe and effective, conveniently dismantle, change diaphragm, reduce labor intensity, utilize diaphragm of diaphragm pump rapid-changing structure just imperative.
Accompanying drawing explanation
Figure is diaphragm of diaphragm pump quick change mechanism structural representation of the present invention.
Embodiment
Accompanying drawing is shown in main structure letter of the present invention: by diaphragm cavity 1, diaphragm 2, barrier film pressure head 3, locating stud 6, tighten the part combination such as flange 8, pressing plate 7, two seal rings (4,5) and form, according to the structure of diaphragm and size determine successively above-mentioned parts structure and size, on barrier film pressure head, be wherein provided with the sealing of two places, tighten flange and pressing plate employing rectangle spiral shell button, the fixing standard fasteners that then adopts of pressing plate carries out fastening.
Concrete, diaphragm of diaphragm pump quick replacable type hold-down mechanism, having the diaphragm cavity 1 for installing diaphragm 2, it is characterized in that: in the cavity that diaphragm 2 is arranged on diaphragm cavity 1 and the barrier film pressure head press seal of border, barrier film pressure head 3 is positioned at diaphragm cavity 1 mounting hole and seals between the two; Barrier film pressure head 3 compresses with tightening flange 8, tightens flange 8 and is linked by zigzag fashion spiral shell with the pressing plate 7 be arranged on diaphragm cavity 1 outer side surface and connect.It is realized by seal ring on barrier film pressure head 3 II 4 and seal ring I 5 that described barrier film pressure head 3 and diaphragm cavity 1 seal.Pressing plate 7 is bolted on diaphragm cavity 1 outer side surface circumferentially.Diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1 and 2, is characterized in that: described barrier film pressure head 3 is connected by locating stud 6 with between diaphragm cavity 1.Tighten flange 8 outer end and be shaped with the afterburning hole 9 supplying to apply extension lever 10.
The present invention in the specific implementation, also should be noted that:
1) according to diaphragm physical property determination diaphragm cavity structure and size (see photo);
2) according to diaphragm physical property determination barrier film pressure head structure and size;
3) size of seal ring (1) and the seal ring (2) sealed is determined according to the size of barrier film pressure head and structure;
4) determine to tighten flange and pressure plate structure and size according to diaphragm cavity and barrier film pressure head structure and size, determine to tighten flange and pressing plate between the two for the spiral shell button size of quick-detachment simultaneously;
Cardinal principle is sketched: this structure was in accompanying drawing state before replacing diaphragm, when needs change diaphragm, first use extension lever will tighten flange to screw out, taking-up tightens flange, secondly barrier film pressure head, locating stud, seal ring I, seal ring II is taken out successively, finally diaphragm is directly taken out in diaphragm cavity, the diaphragm more renewed; After changing diaphragm, pressing above-mentioned disassembly sequence, the reverse component of installation successively.
Claims (6)
1. diaphragm of diaphragm pump quick replacable type hold-down mechanism, there is the diaphragm cavity (1) for installing diaphragm (2), it is characterized in that: in the cavity that diaphragm (2) is arranged on diaphragm cavity (1) and barrier film pressure head (3) press seal of border, barrier film pressure head (3) is positioned at diaphragm cavity (1) mounting hole and seals between the two; Barrier film pressure head (3) outer end compresses with tightening flange (8), tightens flange (8) and the pressing plate (7) be arranged on diaphragm cavity (1) outer side surface and is linked by screw thread spiral shell and connect.
2. diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1, is characterized in that: it is realized with seal ring I (5) by the upper seal ring II (4) of barrier film pressure head (3) that described barrier film pressure head (3) and diaphragm cavity (1) seal.
3. diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1, is characterized in that: pressing plate (7) is bolted on diaphragm cavity (1) outer side surface circumferentially.
4. diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1, is characterized in that tightening flange (8) outer end is shaped with the afterburning hole (9) supplying to apply extension lever (10).
5. diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1 and 2, is characterized in that: described barrier film pressure head (3) is connected by locating stud (6) with between diaphragm cavity (1).
6. diaphragm of diaphragm pump quick replacable type hold-down mechanism according to claim 1 and 2, is characterized in that tightening flange (8) with the screw thread spiral shell button of pressing plate (7) is zigzag fashion spiral shell button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337841.7A CN103423149B (en) | 2013-08-05 | 2013-08-05 | Diaphragm of diaphragm pump quick replacable type hold-down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337841.7A CN103423149B (en) | 2013-08-05 | 2013-08-05 | Diaphragm of diaphragm pump quick replacable type hold-down mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423149A CN103423149A (en) | 2013-12-04 |
| CN103423149B true CN103423149B (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310337841.7A Active CN103423149B (en) | 2013-08-05 | 2013-08-05 | Diaphragm of diaphragm pump quick replacable type hold-down mechanism |
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| CN (1) | CN103423149B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690232A1 (en) * | 1994-06-28 | 1996-01-03 | MTA Automation AG | Membrane pump |
| CN2833169Y (en) * | 2005-08-20 | 2006-11-01 | 施显照 | Readily dismantled improved dual-diaphragm pump |
| CN2846804Y (en) * | 2005-05-20 | 2006-12-13 | 重庆水泵厂有限责任公司 | Plastic pole shape dead weight valve and nesting type disphragm pump liquid cylinder part |
| CN102108961A (en) * | 2011-04-09 | 2011-06-29 | 杭州大潮石化设备有限公司 | Hydraulic end structure of hydraulic diaphragm-type reciprocating pump capable of replacing diaphragm rapidly |
| CN202007759U (en) * | 2011-04-29 | 2011-10-12 | 江苏恒久机械有限公司 | Split cylinder body of diaphragm compressor |
| CN202326120U (en) * | 2011-11-23 | 2012-07-11 | 中国有色(沈阳)泵业有限公司 | Diaphragm cavity structure of diaphragm pump |
| CN203476663U (en) * | 2013-08-05 | 2014-03-12 | 宝鸡航天动力泵业有限公司 | Rapid membrane replacing type pressing mechanism for membrane pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10012902B4 (en) * | 2000-03-16 | 2004-02-05 | Lewa Herbert Ott Gmbh + Co. | Breathable membrane clamping |
-
2013
- 2013-08-05 CN CN201310337841.7A patent/CN103423149B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690232A1 (en) * | 1994-06-28 | 1996-01-03 | MTA Automation AG | Membrane pump |
| CN2846804Y (en) * | 2005-05-20 | 2006-12-13 | 重庆水泵厂有限责任公司 | Plastic pole shape dead weight valve and nesting type disphragm pump liquid cylinder part |
| CN2833169Y (en) * | 2005-08-20 | 2006-11-01 | 施显照 | Readily dismantled improved dual-diaphragm pump |
| CN102108961A (en) * | 2011-04-09 | 2011-06-29 | 杭州大潮石化设备有限公司 | Hydraulic end structure of hydraulic diaphragm-type reciprocating pump capable of replacing diaphragm rapidly |
| CN202007759U (en) * | 2011-04-29 | 2011-10-12 | 江苏恒久机械有限公司 | Split cylinder body of diaphragm compressor |
| CN202326120U (en) * | 2011-11-23 | 2012-07-11 | 中国有色(沈阳)泵业有限公司 | Diaphragm cavity structure of diaphragm pump |
| CN203476663U (en) * | 2013-08-05 | 2014-03-12 | 宝鸡航天动力泵业有限公司 | Rapid membrane replacing type pressing mechanism for membrane pump |
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|---|---|
| CN103423149A (en) | 2013-12-04 |
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