CN101392741A - Plastic pump for high pressure cleaning machine - Google Patents
Plastic pump for high pressure cleaning machine Download PDFInfo
- Publication number
- CN101392741A CN101392741A CNA200710071161XA CN200710071161A CN101392741A CN 101392741 A CN101392741 A CN 101392741A CN A200710071161X A CNA200710071161X A CN A200710071161XA CN 200710071161 A CN200710071161 A CN 200710071161A CN 101392741 A CN101392741 A CN 101392741A
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- pump
- seat
- plunger
- plastic
- spring
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Abstract
The invention relates to a plastic pump for a high-pressure cleaning machine, which comprises a series excitation motor and an axial plunger pump; a speed reduction mechanism is arranged between the motor and the axial plunger pump; the axial plunger pump comprises a pump seat, a pump body, a pump head and a pump cover; the inside of the pump seat is provided with a bearing seat; the bearing seat is provided with a thrust ball bearing which is contacted with a plunger; the inside of a plunger hole is provided with a spring seat; and the spring seat is provided with a spring and a water inlet valve. The plastic pump is characterized in that the speed reduction mechanism comprises a central gear arranged on the output shaft end of the series excitation motor; the outside of the central gear is provided with two planetary gears which are engaged with inner gears manufactured on the pump seat; one end of a planetary rack is arranged into inner holes of the two planetary gears; the other end of the planetary rack is arranged into an irregular hole of the bearing seat; and the pump seat, the pump head, the pump cover and the bearing seat are all made of engineering plastic.
Description
Technical field
The present invention relates to plastic pump, particularly relate to a kind of plastic pump that is used for jetting machine.
Background technique
The existing motor-drive pump that is used for jetting machine is connected the transmission shifting mechanism complex structure between motor and pump, not only make, install trouble, and volume is big, has influenced the external form of whole washing machine.The material major part of making pump on the other hand is Cuprum alloy, aluminum alloy, zinc alloy, and by contrast, Cuprum alloy price height, density are big; The zinc alloy price is low slightly, density is also big; The aluminum alloy price is low slightly, density is little, but the corrosion resistance of common zinc alloy and aluminum alloy, wear resistance are relatively poor; Moreover the pump Heavy Weight by metallic material is made is unfavorable for moving.
Summary of the invention
The objective of the invention is provides the reducing gear between a kind of motor and the pump simple in structure in order to overcome the shortcoming that prior art exists, and the component weight of pump is light, and cost is low, a kind of plastic pump that is used for jetting machine of corrosion resistance and good.
A kind of technological scheme that is used for the plastic pump of jetting machine of the present invention is: comprise series excited machine and axial piston pump, between motor and the axial piston pump reducing gear is arranged, axial piston pump comprises pump seat, the pump housing, pump head and pump cover, bearing support is housed in the pump seat, bearing support is equipped with thrust ball bearing, thrust ball bearing contacts with plunger, spring seat is housed in the plunger hole, spring and inlet valve are housed in the spring seat, it is characterized in that described reducing gear comprises that the output axle head of series excited machine is equipped with central gear, central gear is equipped with two planetary pinions outward, planetary pinion is meshed with internal gear on pump seat, planet carrier one end is packed in two planetary endoporus, and the other end is packed in the irregularly-shaped hole of bearing support; Its described pump seat, pump head, pump cover and bearing support are made by engineering plastics.
A kind of plastic pump that is used for jetting machine of the present invention adopts planetary gear speed reducing mechanism between motor and pump, planet carrier one end is packed in the two planetary endoporus, the other end is packed in the bearing support irregularly-shaped hole, can simplify drive mechanism, manufacturing, easy for installation makes compact structure; Pump seat adopts engineering plastics to make, and can improve the wear resistance of internal gear, prolongs the life-span of internal gear, alleviates pts wt, reduces cost; Pump head and pump cover all adopt engineering plastics to make, and can improve the corrosion resistance of pump head, pump cover, alleviate pts wt and reduce cost; Bearing support adopts engineering plastics to make, and can alleviate pts wt, alleviates vibrations, reduces cost.And pump seat, pump head, pump cover and the bearing support of existing technology are made by metallic material, and by contrast, the density of engineering plastics is little, and is in light weight, corrosion resistance, high abrasion resistance, and intensity approaches aluminum alloy.
The spring seat of being installed in a kind of plastic pump that is used for jetting machine of the present invention, its plunger hole is made by engineering plastics, can reduce friction, and prolongs spring life.Between its bearing support and the pump seat radial ball bearing is housed, has simplified lubricating structure.Its radial ball bearing outer ring is shaped on groove, is shaped on projection in the pump seat, and groove matches with projection, adopts rotation prevention structure between radial ball bearing outer ring and the pump seat, can reduce element precision, helps manufacturing, and can prolong the working life of radial ball bearing and pump.
Description of drawings
Fig. 1 is a kind of structural representation that is used for the plastic pump of jetting machine of the present invention.
Embodiment
The invention discloses a kind of plastic pump that is used for jetting machine, as shown in Figure 1, comprise series excited machine 1 and axial piston pump, between motor 1 and the axial piston pump reducing gear is arranged, axial piston pump comprises pump seat 10, the pump housing 14, pump head 19 and pump cover 22, pump seat 10 connects motor 1 shell, by reducing gear power is delivered to bearing support 7 in the pump seat 10, bearing support 7 is equipped with thrust ball bearing 8, thrust ball bearing 8 jump ring 11 interior with being installed in plunger 12 outer channel contacts, spring 13 is housed on the jump ring 11, spring 13 the other ends are contained on the boss of the pump housing 14, the pump housing 14 connects pump seat 10 and pump head 19, middle cover 15 is housed in the pump housing 14, plunger 12 is housed in the middle cover 15, spring seat 26 is housed in the plunger hole, spring 27 and water inlet valve rod 18 are housed in the spring seat 26, water inlet valve rod 18 is formed the inlet valve group with the inlet valve seat 20 on the pump head 19, in the intermediate hole of pump head 19 the other ends, be processed with three axial water outlet valve seat orifice 21, water outlet spool 23 is housed in the water outlet valve seat orifice, spring 24 is housed on the water outlet spool, spring 24 is fixed on the bridge joint head 25, bridge joint head 25 connects pump head 19 and pump cover 22, make pump cover 22 connect pump head 19, its major technology is characterised in that the employing planetary gear speed reducing mechanism, concrete scheme is: output shaft 28 ends of series excited machine 1 are equipped with central gear 5, two planetary pinions 4 are housed outside the central gear 5, planetary pinion 4 is meshed with internal gear 2 on pump seat 10, planet carrier 6 one ends are packed in the endoporus of two planetary pinions 4, the other end is packed in the irregularly-shaped hole of bearing support 7, can simplify drive mechanism, make, easy for installation, its described pump seat 10 adopts engineering plastics to make, can improve the wear resistance of internal gear 2, prolong the life-span of internal gear 2, alleviate pts wt, reduce cost; Pump head 19 and pump cover 22 all adopt engineering plastics to make, and can improve the corrosion resistance of pump head 19, pump cover 22, alleviate pts wt and reduce cost; Bearing support 7 adopts engineering plastics to make, and can alleviate pts wt, alleviates vibrations, reduces cost.The spring seat of being installed in its plunger 12 holes 26 is made by engineering plastics, can reduce friction, and prolongs 27 life-spans of spring.Between its bearing support 7 and the pump seat 10 radial ball bearing 9 is housed, has simplified lubricating structure.Its radial ball bearing 9 outer rings are shaped on groove 91, be shaped on projection 101 in the pump seat 10, groove 91 matches with projection 101, adopt rotation prevention structure between radial ball bearing 9 outer rings and the pump seat 10, can reduce element precision, help manufacturing, and can prolong the working life of radial ball bearing 9 and pump, also can adopt other rotation prevention structure.During work, open spray gun, press the button series excited machine 1 is started, central gear 5 is along with motor shaft 28 rotates, planetary pinion 4 is under the drive of central gear 5, rotation on one side, rotate around internal gear 2 on one side, planet carrier 6 rotates under the drive of planetary pinion 4, and drive bearing support 7 rotations, because the end face of bearing support 7 installed thrust ball bearings 8 is inclined-planes, the distance of each point is inequality on thrust ball bearing 8 and the circumference that plunger 12 contacts, and plunger 12 is under the effect of piston spring 13, an end of plunger 12 all the time with thrust ball bearing 8 one end in contact.Therefore, the rotation of bearing support 7, it is reciprocating to drive plunger 12, at shown position, when plunger 12 moved right, pump head 19 cavity volume of plunger left end increased, and formed vacuum, water enters pump head 19 inner chambers by water intake, water inlet valve rod 18 under the effect of tap water pressure (or barometric pressure).When plunger 12 during to left movement, pump head 19 cavity volume reduce, and the hydraulic pressure in the pump head 19 improve, and water inlet valve rod 18 is closed under the effect of spring 27, and the water in the pump head 19 overcome the pressure of outlet valve spring 24, open water outlet spool 23, discharge from the water outlet valve seat.
Claims (4)
1, a kind of plastic pump that is used for jetting machine, comprise series excited machine and axial piston pump, between motor and the axial piston pump reducing gear is arranged, axial piston pump comprises pump seat, the pump housing, pump head and pump cover, bearing support is housed in the pump seat, bearing support is equipped with thrust ball bearing, thrust ball bearing contacts with plunger, spring seat is housed in the plunger hole, spring and inlet valve are housed in the spring seat, it is characterized in that described reducing gear comprises that output shaft (28) end of series excited machine (1) is equipped with central gear (5), outer two planetary pinions (4) that are equipped with of central gear (5), planetary pinion (4) is meshed with internal gear (2) on pump seat (10), and planet carrier (6) one ends are packed in the endoporus of two planetary pinions (4), and the other end is packed in the irregularly-shaped hole of bearing support (7); Its described pump seat (10), pump head (19), pump cover (22) and bearing support (7) are made by engineering plastics.
2, a kind of plastic pump that is used for jetting machine as claimed in claim 1 is characterized in that the spring seat of being installed in plunger (12) hole (26) made by engineering plastics.
3, a kind of plastic pump that is used for jetting machine as claimed in claim 1 is characterized in that between bearing support (7) and the pump seat (10) radial ball bearing (9) being housed.
4, a kind of plastic pump that is used for jetting machine as claimed in claim 3 is characterized in that radial ball bearing (9) outer ring is shaped on groove (91), is shaped on projection (101) in the pump seat (10), and groove (91) matches with projection (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710071161XA CN101392741A (en) | 2007-09-17 | 2007-09-17 | Plastic pump for high pressure cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710071161XA CN101392741A (en) | 2007-09-17 | 2007-09-17 | Plastic pump for high pressure cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101392741A true CN101392741A (en) | 2009-03-25 |
Family
ID=40493211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710071161XA Pending CN101392741A (en) | 2007-09-17 | 2007-09-17 | Plastic pump for high pressure cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101392741A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120251A (en) * | 2017-06-18 | 2017-09-01 | 苏州欧圣电气工业有限公司 | Plunger pump and cleaning machine |
| CN109611303A (en) * | 2017-06-18 | 2019-04-12 | 苏州欧圣电气股份有限公司 | Cleaning machine and its plunger pump |
| CN111336101A (en) * | 2020-03-19 | 2020-06-26 | 苏州贝米科技有限公司 | Fluid supercharging device, application thereof and liquid supercharging system |
| CN112105817A (en) * | 2018-05-07 | 2020-12-18 | 翰昂汽车零部件德国有限公司 | Fluid pump system |
-
2007
- 2007-09-17 CN CNA200710071161XA patent/CN101392741A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120251A (en) * | 2017-06-18 | 2017-09-01 | 苏州欧圣电气工业有限公司 | Plunger pump and cleaning machine |
| CN109611303A (en) * | 2017-06-18 | 2019-04-12 | 苏州欧圣电气股份有限公司 | Cleaning machine and its plunger pump |
| CN112105817A (en) * | 2018-05-07 | 2020-12-18 | 翰昂汽车零部件德国有限公司 | Fluid pump system |
| US11686313B2 (en) | 2018-05-07 | 2023-06-27 | Hanon Systems Efp Deutschland Gmbh | Fluid pumping system |
| CN111336101A (en) * | 2020-03-19 | 2020-06-26 | 苏州贝米科技有限公司 | Fluid supercharging device, application thereof and liquid supercharging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090325 |