CN104806516A - Shaft sleeve of electromagnetic plunger pump sleeve - Google Patents
Shaft sleeve of electromagnetic plunger pump sleeve Download PDFInfo
- Publication number
- CN104806516A CN104806516A CN201510159750.8A CN201510159750A CN104806516A CN 104806516 A CN104806516 A CN 104806516A CN 201510159750 A CN201510159750 A CN 201510159750A CN 104806516 A CN104806516 A CN 104806516A
- Authority
- CN
- China
- Prior art keywords
- shaft sleeve
- plunger
- plunger bushing
- axle sleeve
- liquid storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 230000005855 radiation Effects 0.000 claims description 20
- 239000007769 metal material Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000002950 deficient Effects 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention discloses a shaft sleeve of an electromagnetic plunger pump sleeve. The shaft sleeve comprises a shaft sleeve body of a stepped shaft, one end, with larger diameter, of the shaft sleeve body, is provided with a check valve coupling, and the other end, with smaller diameter, of the shaft sleeve is provided with a plunger bushing. The shaft sleeve is characterized in that one end part, which is close to the check valve coupling, of the plunger bushing, is at least provided with a liquid inlet-return hole, the other end part, which is far away from the check valve coupling, of the plunger bushing, is provided with a cooling hole of which a central axis is vertical to that of the plunger bushing, and the inner surface of the plunger bushing is provided with a liquid storage groove. When an electromagnetic pump operates, a plunger does a reciprocating motion in the shaft sleeve, and the area of a matching surface can be reduced due to the design of the liquid storage tank, therefore the friction area between the plunger and the shaft sleeve can be reduced, and the heat caused by the friction can be reduced; meanwhile, the plunger can be thermally exchanged with fluid outside the shaft sleeve through the cooling hole, therefore the accumulation of heat in the shaft sleeve can be reduced; furthermore, when the electromagnetic pump operates in a liquid deficient way, and the liquid stored in the liquid storage tank can provide long-time lubricating and cooling functions, so that the plunger and the shaft sleeve can be protected from dry friction damage.
Description
Technical field
The present invention relates to a kind of axle sleeve, particularly the electromagnetic plunge pump axle sleeve of a kind of good heat radiation, greasy property.
Background technique
The micropump that electromagnetic power and the pump housing is directly combined as a whole of electromagnetic pump, does not need live axle on the market, and after energising, coil produces magnetic force, promotes plunger motion, conveying fluid.The feature such as electromagnetic pump has compact structure, it is good at small space layout, No leakage, dynamic adjustment performance to be easy to and output flow is less, therefore be widely used, such as be applied in the occasions such as steam cleaner, tooth-washer, atomizing humidifier, filter pressure-increasing machine, based on civil equipment; Also can be used as metering pump to use, control flow by change voltage or frequency; And use, as being diesel particulate traps (DPF) active combustion regenerative system fuel feeding as fuel pump.
During electromagnetic pump work, plunger is to-and-fro motion in axle sleeve, completes the pumping into of liquid, pumps.Outer plunger surface and axle sleeve internal surface precision-fit, and there is thinner liquid film for plunger and axle sleeve lubrication, refrigerating function are provided.Run up for a long time at plunger, self-priming operation time, the lubrication of liquid film, cooling capacity are not enough, easily cause plunger and axle sleeve unlubricated friction, and then produce a large amount of heat, cause plunger, boss surfaces to abrade, can cause axle sleeve scorification locking plunger time serious.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of electromagnetic plunge pump axle sleeve.
The present invention is achieved through the following technical solutions: comprise the sleeve body in multidiameter shaft, one end that on described sleeve body, diameter is large is one-way valve clutch collar, one end that on described sleeve body, diameter is little is plunger bushing, it is characterized in that: described plunger bushing is at least provided with one on the end of described one-way valve clutch collar and enters-hole for back flow, described plunger bushing is provided with central axis upright in the radiation hole of the central axis of described plunger bushing away from the end of described one-way valve clutch collar, and described plunger bushing internal surface is provided with liquid storage tank.As a further improvement on the present invention, described plunger bushing internal surface is smooth fitting surface.
As a further improvement on the present invention, described liquid storage tank is communicated with axle sleeve outer space by radiation hole.
As a further improvement on the present invention, described radiation hole is even number and radial direction is evenly distributed on described plunger bushing.
As a further improvement on the present invention, the aperture of described radiation hole is greater than the aperture into-hole for back flow.
As a further improvement on the present invention, described liquid storage tank is even number and is axially evenly distributed on plunger bushing internal surface.
As a further improvement on the present invention, described sleeve body is the metallic material of annular tubular structure.
Compared with prior art, beneficial effect of the present invention is:
The invention enables the plunger section being positioned at axle sleeve to obtain to dispel the heat more fully, radiation hole communicates with liquid storage tank simultaneously, is liquid storage tank feed flow.Liquid storage tank structure adds the inner surface area of axle sleeve, thus adds the area of contact of axle sleeve internal surface and liquid, axle sleeve is obtained cool more fully, lubricates.Liquid storage tank structure decreases axle sleeve internal surface fine finishing area, reduces processing request to a certain extent.Meanwhile, the minimizing corresponding to the area of contact of plunger of axle sleeve internal surface, greatly reduces fricative heat.Liquid storage tank can store a certain amount of liquid, when electromagnetic pump carries out self-priming operation or operates under other scarce liquid status, can provide certain lubrication effect, substantially prolongs the scarce liquid work limit time of electromagnetic pump license.Radiation hole and liquid storage tank structure all decrease the use of material, axle sleeve, save metals resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Indicate in figure: 1-sleeve body; 2-plunger bushing; 3-one-way valve clutch collar; 4-enters-hole for back flow; 5-radiation hole; 6-liquid storage tank; 7-fitting surface; 8-plunger; 9-Returnning spring.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
The embodiment of a kind of electromagnetic plunge pump axle sleeve of the present invention as shown in Figure 1
:comprise the sleeve body 1 in multidiameter shaft, one end that on described sleeve body 1, diameter is large is one-way valve clutch collar 3, one end that on described sleeve body 1, diameter is little is plunger bushing 2, described plunger bushing 2 is at least provided with one on the end of described one-way valve clutch collar 3 and enters-hole for back flow 4, described plunger bushing 2 is provided with central axis upright in the radiation hole 5 of the central axis of described plunger bushing 2 away from the end of described one-way valve clutch collar 3, and described plunger bushing 2 internal surface is provided with liquid storage tank 6.Described plunger bushing 2 internal surface is smooth fitting surface 7.Described liquid storage tank 6 is communicated with axle sleeve outer space by radiation hole 5.Described radiation hole 5 is even number and radial direction is evenly distributed on described plunger bushing 2.The aperture of described radiation hole 5 is greater than the aperture into-hole for back flow 4.Described liquid storage tank 6 is even number and is axially evenly distributed on plunger bushing 2 internal surface.Described sleeve body 1 is the metallic material of annular tubular structure.
Described plunger bushing 2 has the fitting surface 7 that requirement on machining accuracy is high, surface roughness requirements is high, liquid storage tank 6 structure decreases this fitting surface area, thus reduce difficulty of processing to a certain extent, or decrease the impact of machining error on quality of fit, greasy property.Described sleeve body 1 for being easy to process, heat-conducting property is good, wear-resisting property good, thermal distortion is little metallic material makes, as Cuprum alloy; Described radiation hole 5 is uniformly distributed for radial direction, the aperture of radiation hole 5 and quantity choose the rigid requirements that simultaneously should ensure cooling requirements and axle sleeve.Described liquid storage tank 6 internal surface and plunger do not have matching relationship, and its surface processing accuracy requires the requirement on machining accuracy well below axle sleeve internal surface.
Plunger bushing 2 have on the wall of one end of one-way valve clutch collar 31 or several enter, hole for back flow 4.The wall of plunger bushing 2 away from one end of unidirectional valve pocket 3 has the radiation hole 5 of 2,4 or 6 radial equipartitions, and plunger bushing inwall has 1 times, 2 times or 4 times of quantity in the liquid storage tank 6 of radiation hole.
During electromagnetic pump work, plunger 8 moves reciprocatingly under the active force of Returnning spring 9 in axle sleeve, due to the design of liquid storage tank 6, decreases the area of fitting surface 7, thus decreases the friction area between plunger and axle sleeve, decrease fricative heat.Meanwhile, plunger can carry out heat exchange by radiation hole 5 and the fluid outside axle sleeve, decreases axle sleeve internal heat and piles up.When electromagnetic pump lacks liquid work, the liquid stored in liquid storage tank 6 can provide lubrication, the refrigerating function of long period, protects plunger 8 and axle sleeve avoids dry friction damage.
Claims (7)
1. an electromagnetic plunge pump axle sleeve, comprise the sleeve body (1) in multidiameter shaft, one end that the upper diameter of described sleeve body (1) is large is one-way valve clutch collar (3), one end that the upper diameter of described sleeve body (1) is little is plunger bushing (2), it is characterized in that: the end of the upper close described one-way valve clutch collar (3) of described plunger bushing (2) is at least provided with one and enters-hole for back flow (4), described plunger bushing (2) is provided with central axis upright in the radiation hole (5) of the central axis of described plunger bushing (2) away from the end of described one-way valve clutch collar (3), described plunger bushing (2) internal surface is provided with liquid storage tank (6).
2. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: described plunger bushing (2) internal surface is smooth fitting surface (7).
3. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: described liquid storage tank (6) is communicated with axle sleeve outer space by radiation hole (5).
4. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: described radiation hole (5) for even number and radial direction be evenly distributed on described plunger bushing (2).
5. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: the aperture of described radiation hole (5) is greater than the aperture into-hole for back flow (4).
6. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: described liquid storage tank (6) is for even number and be axially evenly distributed on plunger bushing (2) internal surface.
7. a kind of electromagnetic plunge pump axle sleeve according to claim 1, is characterized in that: the metallic material that described sleeve body (1) is annular tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159750.8A CN104806516A (en) | 2015-04-07 | 2015-04-07 | Shaft sleeve of electromagnetic plunger pump sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159750.8A CN104806516A (en) | 2015-04-07 | 2015-04-07 | Shaft sleeve of electromagnetic plunger pump sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806516A true CN104806516A (en) | 2015-07-29 |
Family
ID=53691640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159750.8A Pending CN104806516A (en) | 2015-04-07 | 2015-04-07 | Shaft sleeve of electromagnetic plunger pump sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806516A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030032555A (en) * | 2001-10-18 | 2003-04-26 | 엘지전자 주식회사 | Structure for reducing friction in compressing part of compressor |
| CN1963199A (en) * | 2005-11-10 | 2007-05-16 | Lg电子株式会社 | Linear compressor |
| CN202073734U (en) * | 2011-05-23 | 2011-12-14 | 檀荣科 | Plunger type electromagnetic pump |
| CN202789491U (en) * | 2012-09-10 | 2013-03-13 | 江苏大学 | Hot water circulating pump suspension body with groove structure on inner wall surface |
| CN203730235U (en) * | 2014-03-13 | 2014-07-23 | 河北深海电器有限公司 | Electromagnetic drive plunger oil pump |
-
2015
- 2015-04-07 CN CN201510159750.8A patent/CN104806516A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030032555A (en) * | 2001-10-18 | 2003-04-26 | 엘지전자 주식회사 | Structure for reducing friction in compressing part of compressor |
| CN1963199A (en) * | 2005-11-10 | 2007-05-16 | Lg电子株式会社 | Linear compressor |
| CN202073734U (en) * | 2011-05-23 | 2011-12-14 | 檀荣科 | Plunger type electromagnetic pump |
| CN202789491U (en) * | 2012-09-10 | 2013-03-13 | 江苏大学 | Hot water circulating pump suspension body with groove structure on inner wall surface |
| CN203730235U (en) * | 2014-03-13 | 2014-07-23 | 河北深海电器有限公司 | Electromagnetic drive plunger oil pump |
Non-Patent Citations (1)
| Title |
|---|
| 杨波等: "《汽车发动机构造与维修》", 31 January 2014 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yonglin Inventor after: Tan Rongke Inventor after: Wang Xiaobo Inventor before: Wang Yonglin Inventor before: Tan Rongke Inventor before: Wang Xiaobo Inventor before: Chen Xianghua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG YONGLIN TAN RONGKE WANG XIAOBO CHEN XIANGHUA TO: WANG YONGLIN TAN RONGKE WANG XIAOBO |
|
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |