CN103511231A - Diaphragm pump head - Google Patents
Diaphragm pump head Download PDFInfo
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- CN103511231A CN103511231A CN201310442019.7A CN201310442019A CN103511231A CN 103511231 A CN103511231 A CN 103511231A CN 201310442019 A CN201310442019 A CN 201310442019A CN 103511231 A CN103511231 A CN 103511231A
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- diaphragm
- pump head
- main body
- extension spring
- head main
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Abstract
The invention relates to diaphragm pump equipment, in particular to a diaphragm pump head which resolves the problems that in the oil returning process, the situation that a diaphragm is not reset completely occurs easily and flow is unstable. The diaphragm pump head comprises a pump head body, a water inlet-and-outlet pipe and the diaphragm, wherein the pump head body is provided with a pressure cavity, the pressure cavity is provided with two openings, the diaphragm seals one opening of the pressure cavity, the water inlet-and-outlet pipe is communicated with the other opening of the pressure cavity, and an elastic reset device enabling the diaphragm to be reset is arranged in an inner cavity of the pump head body. The diaphragm pump head is applied to a diaphragm pump, especially to the pump head of the diaphragm pump.
Description
Technical field
The present invention relates to the pump head of diaphragm pump equipment, particularly a kind of diaphragm pump.
Background technique
Pump head is one of important composition parts of diaphragm pump, and it is make diaphragm pump hydraulic oil and be transferred the core component separating, and is also to realize the core component that stability of flow is supplied with.Diaphragm pump is divided into two parts of isolation mutually by diaphragm by the cavity of pump head and diaphragm pump, hydraulic oil is by doing work to diaphragm, the expansion that is transferred medium volume in cavity is dwindled, thereby realize the conveying of medium, in this process, diaphragm moves reciprocatingly always, in the time of hydraulic oil extruding diaphragm, diaphragm is forced toward being transferred side medium distortion, in oil return process, easily there is the situation that diaphragm do not reset completely and cause flow unstable, thereby affect the stable operation of equipment.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of diaphragm pump head, the diaphragm after distortion can be forced to return back to original state, makes the to-and-fro motion of diaphragm more stable, thereby makes equipment operation more stable.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: a kind of diaphragm pump head, comprise pump head main body, turnover water pipe and diaphragm, described pump head main body is provided with pressure chamber, described pressure chamber is provided with two openings, pressure chamber opening described in described diaphragm seal, described turnover water pipe is communicated with another opening of pressure chamber, is provided with and can orders about the elastic recovery device that diaphragm resets in the inner chamber of described pump head main body.
Improved, described elastic recovery device comprises extension spring, and described extension spring one end is fixed on the relative diaphragm Yi Ce chamber wall of described pump head main body inner chamber, and the other end props up diaphragm.
Improved, between described diaphragm and extension spring, be also provided with pallet, described pallet is close to described diaphragm, and described extension spring one end connects described pallet.
Improved, the chamber wall of described pump head main body inner chamber is provided with positioning boss, and described extension spring one end is sleeved on described positioning boss.
Beneficial effect of the present invention:
In the present invention, adopt elastic recovery device to recover the diaphragm after distortion, therefore, in oil return process, diaphragm can return to original state fast, thereby makes more stable the moving back and forth of diaphragm, makes the operation that sets more stable; Meanwhile, improve the flow accuracy of diaphragm pump, improved the competitive ability of product.
These features of the present invention and advantage will be below embodiment, accompanying drawing in detailed exposure.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the structural representation of a kind of diaphragm pump head of the present invention.
Embodiment
The invention provides a kind of diaphragm pump head, comprise pump head main body, turnover water pipe and diaphragm, described pump head main body is provided with pressure chamber, described pressure chamber is provided with two openings, pressure chamber opening described in described diaphragm seal, described turnover water pipe is communicated with another opening of pressure chamber, is provided with and can orders about the elastic recovery device that diaphragm resets in the inner chamber of described pump head main body.By adopting elastic recovery device to recover the diaphragm after distortion, therefore, in oil return process, diaphragm can return to original state fast, thereby makes more stable the moving back and forth of diaphragm, makes the operation that sets more stable; Meanwhile, improve the flow accuracy of diaphragm pump, improved the competitive ability of product.
Accompanying drawing below in conjunction with the embodiment of the present invention is explained and illustrated the technological scheme of the embodiment of the present invention, but following embodiment is only the preferred embodiments of the present invention, not all.Embodiment based in mode of execution, those skilled in the art are other embodiments that obtains under the prerequisite of not making creative work, all belong to protection scope of the present invention.
Shown in Fig. 1, a kind of diaphragm pump head, comprise pump head main body 1, turnover water pipe 2 and diaphragm 5, pump head main body 1 is cylindrical, centre is provided with inner chamber 3, be provided with two openings, the periphery of diaphragm 5 is fixed on one of them aperture position of inner chamber 3, this aperture position is sealed, then fixing turnover water pipe 2 on the sidewall of pump head main body 1, turnover water pipe 2 is connected with the inner chamber 3 of pump head main body 1 by another opening, while specifically installing, pump head is fixed on the position that diaphragm 5 is installed on diaphragm pump, by diaphragm 5, pump head and diaphragm pump is separated.Diaphragm 5 moves by the fluid pressure reciprocating between the cavity of diaphragm pump and the inner chamber 3 of pump head main body 1, during operation, liquid is by doing work to diaphragm 5, the expansion that is transferred medium volume in cavity is dwindled, thereby realize the conveying of medium, but, also there is distortion in diaphragm 5, in order to allow to diaphragm 5 force reverts after distortion to original state, make the to-and-fro motion of diaphragm 5 more stable, thereby make equipment operation more stable, in the inner chamber 3 of pump head main body 1, be provided with and can order about the elastic recovery device 4 that diaphragm 5 resets.Elastic recovery device 4 can apply an active force by the diaphragm 5 after distortion, by its reset.
Between diaphragm 5 and pump head main body 1, install elastic recovery device 4, elastic recovery device 4 can return to home position by the diaphragm 5 of the liquid extrusion-deformation by inner chamber 3, makes the to-and-fro motion of diaphragm 5 more stable.
In the present embodiment, as preferably, elastic recovery device 4 comprises extension spring, one end of extension spring is fixed on the chamber wall of pump head main body 1 inner chamber 3, and the other end is against the middle part of diaphragm 5.During concrete enforcement, when extension spring is installed, the moving direction of the draw direction of extension spring and diaphragm 5 is arranged in same direction.As preferably, in order to make extension spring be not easy skew installing later position, at the link position of the chamber wall of extension spring and pump head main body 1 inner chamber 3, a positioning boss is set, extension spring one end is sleeved on positioning boss and is fixed.Positioning boss can be by being fixed on positioning block on the wall of chamber or one-body molded with pump head main body 1.
When extension spring is when acting on diaphragm 5; the active force producing can make diaphragm 5 suffer damage; therefore; in order to make extension spring act on power on diaphragm 5 balance more; a pallet 6 is installed between extension spring and diaphragm 5; the one side of pallet 6 is close to and on diaphragm 5, is namely fixed connection; another side is fixedly connected with extension spring; thereby the power that can make extension spring act on diaphragm 5 is carried out balance; make in diaphragm 5 hands balanced; thereby protected diaphragm 5, improved its working life.
The embodiment of the present invention is applied to diaphragm pump, is especially applied on the pump head of diaphragm pump.
Except above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (4)
1. a diaphragm pump head, comprise pump head main body, turnover water pipe and diaphragm, described pump head main body is provided with pressure chamber, described pressure chamber is provided with two openings, pressure chamber opening described in described diaphragm seal, described turnover water pipe is communicated with another opening of pressure chamber, it is characterized in that: in the inner chamber of described pump head main body, be provided with and can order about the elastic recovery device that diaphragm resets.
2. a kind of diaphragm pump head according to claim 1, is characterized in that: described elastic recovery device comprises extension spring, and described extension spring one end is fixed on the relative diaphragm Yi Ce chamber wall of described pump head main body inner chamber, and the other end props up diaphragm.
3. a kind of diaphragm pump head according to claim 2, is characterized in that: between described diaphragm and extension spring, be also provided with pallet, described pallet is close to described diaphragm, and described extension spring one end connects described pallet.
4. a kind of diaphragm pump head according to claim 2, is characterized in that: the chamber wall of described pump head main body inner chamber is provided with positioning boss, and described extension spring one end is sleeved on described positioning boss.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310442019.7A CN103511231A (en) | 2013-09-25 | 2013-09-25 | Diaphragm pump head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310442019.7A CN103511231A (en) | 2013-09-25 | 2013-09-25 | Diaphragm pump head |
Publications (1)
Publication Number | Publication Date |
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CN103511231A true CN103511231A (en) | 2014-01-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310442019.7A Pending CN103511231A (en) | 2013-09-25 | 2013-09-25 | Diaphragm pump head |
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CN (1) | CN103511231A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105201798A (en) * | 2015-09-16 | 2015-12-30 | 吴忠仪表有限责任公司 | Water booster |
Citations (8)
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CN2440959Y (en) * | 2000-10-18 | 2001-08-01 | 武进市贝斯特计量泵厂 | Separate hydraulic membrane metering pump |
JP2002337995A (en) * | 2001-05-15 | 2002-11-27 | Sanyo Electric Co Ltd | Liquid material pump for beverage feeding device |
CN2653174Y (en) * | 2003-05-12 | 2004-11-03 | 林甘伟 | Pneumatic single membrane pump |
CN2851639Y (en) * | 2005-11-02 | 2006-12-27 | 杭州大潮泵业制造有限公司 | Hydraulic diaphragm type metering pump with front-mounted protective formwork structure |
CN101660516A (en) * | 2009-09-14 | 2010-03-03 | 上海劳达斯洁具有限公司 | Pneumatic-control ultralow-pressure ultraprecise servopump |
CN201884250U (en) * | 2010-06-08 | 2011-06-29 | 德帕姆(杭州)泵业科技有限公司 | Hydraulic diaphragm metering pump with diaphragm protection function |
CN102878047A (en) * | 2012-09-06 | 2013-01-16 | 苏州百胜动力机器有限公司 | Dual-fuel oil burning pump |
CN203476664U (en) * | 2013-09-25 | 2014-03-12 | 浙江力聚热水机有限公司 | Membrane pump head |
-
2013
- 2013-09-25 CN CN201310442019.7A patent/CN103511231A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2440959Y (en) * | 2000-10-18 | 2001-08-01 | 武进市贝斯特计量泵厂 | Separate hydraulic membrane metering pump |
JP2002337995A (en) * | 2001-05-15 | 2002-11-27 | Sanyo Electric Co Ltd | Liquid material pump for beverage feeding device |
CN2653174Y (en) * | 2003-05-12 | 2004-11-03 | 林甘伟 | Pneumatic single membrane pump |
CN2851639Y (en) * | 2005-11-02 | 2006-12-27 | 杭州大潮泵业制造有限公司 | Hydraulic diaphragm type metering pump with front-mounted protective formwork structure |
CN101660516A (en) * | 2009-09-14 | 2010-03-03 | 上海劳达斯洁具有限公司 | Pneumatic-control ultralow-pressure ultraprecise servopump |
CN201884250U (en) * | 2010-06-08 | 2011-06-29 | 德帕姆(杭州)泵业科技有限公司 | Hydraulic diaphragm metering pump with diaphragm protection function |
CN102878047A (en) * | 2012-09-06 | 2013-01-16 | 苏州百胜动力机器有限公司 | Dual-fuel oil burning pump |
CN203476664U (en) * | 2013-09-25 | 2014-03-12 | 浙江力聚热水机有限公司 | Membrane pump head |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105201798A (en) * | 2015-09-16 | 2015-12-30 | 吴忠仪表有限责任公司 | Water booster |
CN105201798B (en) * | 2015-09-16 | 2017-12-08 | 吴忠仪表有限责任公司 | A kind of water pressurizer |
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Application publication date: 20140115 |