CN2232093Y - Combined self-priming pump - Google Patents
Combined self-priming pump Download PDFInfo
- Publication number
- CN2232093Y CN2232093Y CN 94231279 CN94231279U CN2232093Y CN 2232093 Y CN2232093 Y CN 2232093Y CN 94231279 CN94231279 CN 94231279 CN 94231279 U CN94231279 U CN 94231279U CN 2232093 Y CN2232093 Y CN 2232093Y
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- China
- Prior art keywords
- pump
- chamber
- cover
- central diaphragm
- pump cover
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- Expired - Fee Related
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Abstract
The utility model relates to an improvement of a combined centrifugal self-sucking pump. The utility model has the main improvement that an internally stored air-liquid separation chamber is moved to the exterior of a pump body. The pump body is decomposed into a combination body which is composed of three simple parts which are a pump cover, an intermediate separation body and a pump shell, and a liquid storage chamber and a pump chamber are respectively formed. The liquid storage chamber is provided with a liquid inlet passage which is vertically arranged on the pump cover or a partition piece of the intermediate partition plate in a lateral mode, and the liquid inlet passage surrounds and is communicated with the pump cover and a liquid inlet through hole of the intermediate partition plate. Compared with the prior art, the utility model has the advantages of simple construction, small volume, few components after decomposed, simple shape, convenient manufacture and molding and high integral intensity of the composite structure, and is suitable for being shaped and manufactured with various materials.
Description
Model utility relates to a kind of improved centrifugal self-priming pump, particularly a kind of centrifugal self-priming pump that adopts fabricated structure and resistant material to make.
The centrifugal self-priming pump of known conveying Lower tank medium for adapting to self-priming starting needs, adopts built-in S shape intake pipe, inner spiral casing and built-in air-water separation cell structure, and interior each cavity of pump, space all are two isolation, two and communicate, thereby pump housing shape chamber structure is comparatively complicated.This complicated shape chamber pump housing can't be used the corrosion-resistant plastic shaping because of can't the demoulding adopting the good metallic material casting of melt fluidity.Yet metallic material pump housing corrosion resistant performance is not good, can not be used for the conveying of corrosivity strong medium.Chinese patent 86205058 and 90227231 discloses to adopt the complicated shape of the integral body chamber pump housing has been decomposed into the combination pump housing of being made up of simple shape chamber parts, adopts plastics manufacturing or lining moulding to adapt to.But the above-mentioned pump housing is still continued to use former self-priming pump structure substantially, built-in spiral case, and built-in air-water separation chamber, thereby the pump housing not only still expands, and also Knock-Down Component is many, makes combination back pump housing overall construction intensity descend, and adorns, tears open complexity.Secondly, some is still complicated for the shape chamber component shape after the decomposition, for some high performance functional materials, as ultra-high molecular weight polyethylene, teflon etc., because its melt fluidity is very poor, still is difficult to shaping and demoulding, therefore still can't use these made.
The purpose of model utility is to overcome the deficiency of above-mentioned prior art, by changing its structure, makes it few, the simple shape of exploded rear part, makes, adorns, tears open easy, and the structural strength height is suitable for high-performance and the moulding of melt fluidity difference plastic stempressing.
The realization of model utility purpose, it is main by former gas-liquid separation chamber (chamber) in the pump housing is moved to (top) outside the pump housing water outlet, the pump housing is resolved into the assemblying body that constitutes by pump cover, central diaphragm, pump case three parts, simplified the shape of pump housing constituent elements like this, make it to be more suitable for the moulding of melt fluidity difference plastics, adorn, tear open and also become easy thereupon.Specifically, the model utility self-priming pump, include the pump cover of eccentric feed liquor through hole, and pump case and near the impeller of pump case, it is characterized in that the impeller outside has a middle part to have feed liquor through hole, bottom that the central diaphragm of backflow through hole is arranged between described pump cover, pump case, pump cover, the synthetic separated by spaces of pump case are become liquid storage cylinder and pump chamber; The feed liquor runner that described pump cover inboard or central diaphragm liquid storage cylinder side have a radially edge-on partition to surround, surround connection pump cover and central diaphragm feed liquor through hole and isolate with liquid storage cylinder respectively; The described pump housing has a gas-liquid separation chamber to be communicated with pump chamber outward.
According to above-mentioned design, model utility pump cover, central diaphragm, pump case in twos respectively combination surround liquid storage cylinder and pump chamber, can have multiple multi-formly, synthesize liquid storage cylinder as lid shape pump cover and plate shape central diaphragm; Also can be plate shape pump cover and the synthetic liquid storage cylinder of lid shape central diaphragm; Same pump chamber can be to cover shape pump case and plate shape central diaphragm; Or lid shape central diaphragm and plate shape pump case.In addition, can also be two is and covers shape and be combined into cavity; Central diaphragm can be that a cover shape another side is that plate shape or two sides are and cover shape etc.The described plate shape of model utility is not have the side ring limit that constitutes lid for lid shape.The described central diaphragm of model utility bi-side can be the planes, but wherein are that concave surface is good especially with the pump chamber side, to improve the efficient of pump.
Describe below in conjunction with several embodiments, further specify model utility.
Fig. 1 is first embodiment's self-priming pump sectional structure schematic representation.
Fig. 2 is Fig. 1 pump cover left view and sectional view.
Fig. 3 is Fig. 1 central diaphragm sectional view and right elevation.
Fig. 4 is second embodiment's self-priming pump sectional structure schematic representation.
Fig. 5 is Fig. 4 central diaphragm sectional view.
Fig. 6 is the 3rd embodiment's self-priming pump sectional structure schematic representation.
Fig. 7 is Fig. 6 central diaphragm sectional view.
Embodiment 1: referring to Fig. 1,2,3, be molded into lid shape pump cover 2, plate shape central diaphragm 3 and the lid shape pump case 8 that can work in coordination by ultra-high molecular weight polyethylene, be combined into liquid storage cylinder 5, pump chamber 10 successively respectively.Double shrouded wheel 7 is arranged in the pump chamber, and the outer pump discharge of pump housing top has one to be the air-water separation chamber 9 that inverted cone expands, and the air-water separation chamber top connects outlet pipe.Have the feed liquor through hole 1 that is provided with partially on the pump cover (Fig. 2), the feed liquor through hole links to each other with intake pipe; The inboard has radially edge-on partition 12 to surround, surround to be communicated with respectively pump cover, central diaphragm feed liquor through hole 1 and 4, and the feed liquor flow path groove 11 of isolating with liquid storage cylinder.Central diaphragm (Fig. 3) liquid storage cylinder side is the plane, cooperates with lid shape pump cover concave surface and seals edge-on partition 12 opening side, is encircled into not connected feed liquor runner 11 and liquid storage cylinder 5 respectively; Central diaphragm impeller cavity side has concave surface 13 and pump case to constitute pump chamber.The central diaphragm center has feed liquor through hole 4, and backflow through hole 6 is arranged at the bottom, is communicated with liquid storage cylinder and pump chamber.When starting to work, add an amount of diversion, because of impeller 7 high speed rotating centrifugal actions produce water ring, the water inlet air in tube mixes with water generation air water in the water ring, and the mixing air water enters air-water separation chamber.In air-water separation chamber, because space enlargement, water velocity reduces, and dissolves in underwater bubble and then upwards separates out through the outlet pipe discharge, and water falls after rise under action of gravity in the air-water separation chamber, participates in air water once more and mixes, and last intake pipe has stoped the loss of liquid storage cylinder water.Circulation is so repeatedly all discharged when the water inlet air in tube, and pump water inlet and pump chamber all have been full of water, and water pump has promptly reached the self-priming starting.
Embodiment 2: referring to Fig. 4,5, as described above, pump cover is slab structure, and central diaphragm is towards the liquid storage cylinder side and covers the shape structure, and radially edge-on partition 12 is positioned at central diaphragm liquid storage cylinder side.
Embodiment 3: referring to Fig. 6,7, as described in embodiment 1, pump cover, central diaphragm are unidirectional lid shape, and edge-on partition 12 is positioned at central diaphragm liquid storage cylinder side, and its width is two lid limit sums.
Model utility is owing to changed the composite construction of self-priming pump, thereby it is little to have a pump housing volume, simple in structure, cost is low, and the few and simple shape of Knock-Down Component is convenient to machine shaping, improved the manufacturing processibility greatly, combination back overall construction intensity height can adapt to various forming materials manufacturings, makes things convenient for the plastic shaping manufacturing of high-performance, melt fluidity difference especially.
Claims (5)
1, a kind of combined self-priming pump, include the pump cover of eccentric feed liquor through hole, pump case and near the impeller of pump case, it is characterized in that the impeller outside has a middle part to have feed liquor through hole, bottom that the central diaphragm of backflow through hole is arranged between described pump cover, pump case, pump cover, the synthetic separated by spaces of pump case are become liquid storage cylinder and pump chamber; Described pump cover inboard or central diaphragm liquid storage cylinder side have a radially edge-on partition to surround, surround respectively the feed liquor runner that is communicated with pump cover, central diaphragm feed liquor through hole and isolates with liquid storage cylinder; The described pump housing has a gas-liquid separation chamber to be communicated with pump chamber outward.
2,, it is characterized in that said gas-liquid separation chamber is the inverted cone that expands according to the described combined self-priming pump of claim 1.
3,, it is characterized in that said central diaphragm pump chamber side is concave surface according to claim 1 or 2 described combined self-priming pumps.
4,, it is characterized in that said forward and backward pump cover all is to cover the shape structure that central diaphragm is a slab structure according to the described combined self-priming pump of claim 3.
5, according to the described combined self-priming pump of claim 4, the partition that it is characterized in that said formation feed liquor runner is positioned at and covers shape front pump cover inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231279 CN2232093Y (en) | 1994-12-30 | 1994-12-30 | Combined self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231279 CN2232093Y (en) | 1994-12-30 | 1994-12-30 | Combined self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2232093Y true CN2232093Y (en) | 1996-07-31 |
Family
ID=33843162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94231279 Expired - Fee Related CN2232093Y (en) | 1994-12-30 | 1994-12-30 | Combined self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2232093Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422563C (en) * | 2004-06-23 | 2008-10-01 | 梁文彦 | Automatic sucker for gas-liquid separation |
| CN102606444A (en) * | 2012-04-16 | 2012-07-25 | 宁波卡蒂亚电器有限公司 | Water and electricity separation self-priming pump |
| CN103277314A (en) * | 2013-05-29 | 2013-09-04 | 明光市留香泵业有限公司 | Welded inner mixed type self-priming pump |
| CN108843580A (en) * | 2018-07-16 | 2018-11-20 | 上海瑞晨环保科技有限公司 | High volumetric efficiency self priming centrifugal pump |
| CN110319026A (en) * | 2019-04-25 | 2019-10-11 | 台州瑞亿机电有限公司 | A kind of rotational flow self-priming pump |
-
1994
- 1994-12-30 CN CN 94231279 patent/CN2232093Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422563C (en) * | 2004-06-23 | 2008-10-01 | 梁文彦 | Automatic sucker for gas-liquid separation |
| CN102606444A (en) * | 2012-04-16 | 2012-07-25 | 宁波卡蒂亚电器有限公司 | Water and electricity separation self-priming pump |
| CN102606444B (en) * | 2012-04-16 | 2014-11-05 | 宁波卡帝亚电器有限公司 | Water and electricity separation self-priming pump |
| CN103277314A (en) * | 2013-05-29 | 2013-09-04 | 明光市留香泵业有限公司 | Welded inner mixed type self-priming pump |
| CN108843580A (en) * | 2018-07-16 | 2018-11-20 | 上海瑞晨环保科技有限公司 | High volumetric efficiency self priming centrifugal pump |
| CN108843580B (en) * | 2018-07-16 | 2024-03-19 | 上海瑞晨环保科技股份有限公司 | Self-priming centrifugal pump with high volumetric efficiency |
| CN110319026A (en) * | 2019-04-25 | 2019-10-11 | 台州瑞亿机电有限公司 | A kind of rotational flow self-priming pump |
| CN110319026B (en) * | 2019-04-25 | 2024-04-19 | 台州瑞亿机电有限公司 | Rotational flow self-priming pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |