CN202756193U - Plunger pump and water purification device therewith - Google Patents
Plunger pump and water purification device therewith Download PDFInfo
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- CN202756193U CN202756193U CN 201220049152 CN201220049152U CN202756193U CN 202756193 U CN202756193 U CN 202756193U CN 201220049152 CN201220049152 CN 201220049152 CN 201220049152 U CN201220049152 U CN 201220049152U CN 202756193 U CN202756193 U CN 202756193U
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- piston
- plunger pump
- rocking bar
- type projection
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Abstract
The utility model provides a plunger pump and a water purification device therewith. The plunger pump comprises a pump body, pistons, and a rocking bar. The pump body is provided with cylinders. One end of each piston is installed in the cylinder. The rocking bar provides a reciprocating motion driving force for the pistons, and can be pivotally installed on the pump body. Each piston comprises an extending portion which extends out of the cylinder. A groove is provided on the extending portion. The groove is provided with V-shaped protrusions at two inner sides of the piston in the axial direction. Surfaces of the V-shaped protrusions are two planes which incline inwardly from the periphery of the piston. A ridge formed by intersecting the two planes is perpendicular to the axial line of the piston. The rocking bar is inserted into the grooves. The plunger pump has the characteristics of simple structure, convenient installation, and reduced size and weight.
Description
Technical field
The utility model relates to a kind of plunger pump.The utility model also relates to the water purification installation with plunger pump.
Background technique
Plunger pump is that the piston that drives plunger pump by handling rocking bar moves back and forth, thereby convection cell compresses to produce the fluid of compression.
Normally used plunger pump, rocking bar is connected with the piston rear end of plunger pump.Typically, form an articulated section in the end of piston, rocking bar is connected with the end of piston by bearing pin, so just can will drive power transmission to the piston of plunger pump.
For example, a typically double-piston plunger pump has been shown among Fig. 5, it comprises two pistons and cylinder barrel, one end of rocking bar links to each other with power input mechanism (perhaps handle), and be provided with two holes on the rocking bar, by two pins respectively with two piston hinge of plunger pump, and between two holes of rocking bar, be provided with bearing pin.By the swing of power input mechanism, two plunger pumps alternately carry out work, thus compressed fluid constantly.According to said structure, rocking bar needs 2 articulated sections and 2 bearing pins to carry out hinged with the end of piston respectively.Therefore, the part count that existing structure needs is more, and the space of requirement is larger, and has also caused the increase of the volume and weight of plunger pump itself.
The piston diameter of the plunger pump of normal operation hinging structure is all more than 14 millimeters, and will adopt at 10～12 millimeters piston hinging structure, from make and assembling just acquire a certain degree of difficulty.
Existing portable water purifying equipment, need to use plunger pump especially hand piston pump as the source of pressure.And this portable water purifying equipment need to be convenient for carrying, and is therefore very strict to the requirement of volume and weight, need to reduce as much as possible the volume and weight of equipment.
Some portable water purifying equipment requires to carry, and volume and weight is all very little, and the diameter of plunger pump requires sometimes below 10 millimeters.And in this equipment, use hinging structure that power input mechanism is connected with piston, be all to have higher requirements at manufacturing process, assembling and cost of production.Therefore, how designing volume product little, lightweight and that efficient is high is the important issue that the artificer faces.
The model utility content
In view of the shortcoming of above-mentioned prior art, technical problem to be solved in the utility model provides a kind of plunger pump of novelty, and it has characteristics simple in structure, easy for installation, as to reduce volume and weight.
Other technical problem to be solved in the utility model provides a kind of portable water purifying equipment of novelty, and it is equipped with the plunger pump of above-mentioned novelty.
In order to solve the problems of the technologies described above, according to first aspect of the present utility model, a kind of plunger pump comprises: the pump housing, and this pump housing is provided with cylinder barrel; Piston, an end of this piston is installed in the cylinder barrel; Rocking bar, this rocking bar provides the driving force of reciprocating motion of the pistons, and can be installed in pivotally on the pump housing; Described piston includes the extension that stretches out the cylinder barrel outside, be provided with groove at this extension, this groove is provided with the V-type projection at piston shaft to two inboards, the surface of this V-type projection consists of from the intilted plane of piston periphery by two, this two Plane intersects and the crest line that forms is vertical with the axis of piston; Described rocking bar inserts in this groove.
" interior " " sloping inwardly from the piston periphery " in the such scheme refers to the inboard with respect to periphery.
According to second aspect of the present utility model, described rocking bar is installed on the pump housing by bearing pin.
According to the third aspect of the present utility model, described plunger pump is the double plunger pump that comprises two cylinder barrels and piston.
According to fourth aspect of the present utility model, described bearing pin arranges in the middle of two pistons.
According to the 5th aspect of the present utility model, described V-type projection is asymmetric V.
According to the 6th aspect of the present utility model, described asymmetrical V-type projection crest line is positioned at apart from piston periphery 1/3 diametrical position.
According to the 7th aspect of the present utility model, described piston and rocking bar are that stainless steel, titanium alloy, aluminum alloy or engineering plastics are made.
According to eight aspect of the present utility model, described plunger pump is hand piston pump.
According to the 9th aspect of the present utility model, described plunger pump is the manual double plunger pump that comprises two cylinder barrels and piston, described rocking bar is installed on the pump housing by the middle bearing pin of two pistons is set, described V-type projection is asymmetric V, described asymmetrical V-type projection crest line is positioned at apart from piston periphery 1/3 diametrical position, and described piston and rocking bar are that stainless steel, titanium alloy, aluminum alloy or engineering plastics are made.
According to the tenth aspect of the present utility model, the utility model also provides a kind of water purification installation, and it comprises arbitrary described plunger pump in above-mentioned the first to the 9th aspect of the present utility model.
The beneficial effects of the utility model; The utility model has adopted at piston fluting and the structure of V-type projection has been set, and by in the groove that rocking bar is inserted piston and power can be input to piston, thereby avoided using traditional hinging structure, reduced thus the number of connected element, reduced volume and space.
Be used from the embodiment that principle of the present utility model is described below by Figure of description and with accompanying drawing one, other features and advantages of the utility model will become clear or more specifically be illustrated.
Description of drawings
Fig. 1 shows the schematic diagram of the hand piston pump of the utility model exemplary embodiment, and wherein handle is in depressing position.
Fig. 2 is the schematic diagram that the hand piston pump of Fig. 1 is shown, and wherein handle is in raised position.
Fig. 3 is the schematic diagram that the hand piston pump of Fig. 1 is shown, and wherein handle mediates.
Fig. 4 shows the comparative view of asymmetric V-type projection (a) and symmetrical V-type (b).
Fig. 5 is the schematic diagram that plunger pump of the prior art is shown, and wherein links to each other with piston by the hinging structure rocking bar.
Fig. 6 is the schematic diagram that the water purification installation that uses the utility model plunger pump is shown.
Critical piece explanation in the accompanying drawing:
1: the pump housing; 2: rocking bar;
3: handle; 4: bearing pin;
5: first piston; 6: the second pistons;
7: the first grooves; 8: the second grooves;
9: upper V-type projection; 10: lower V-type projection.
Embodiment
Below in conjunction with accompanying drawing 1-3 the plunger pump of the utility model exemplary embodiment is elaborated.
The plunger pump of the utility model exemplary embodiment is manual double plunger pump.This plunger pump comprises the pump housing 1, is provided with cylinder barrel, intake tunnel (not shown), exhalant canal and the one-way valve of two plunger pumps on the pump housing 1.Wherein piston is respectively first piston 5 and the second piston 6; Two pistons are installed in respectively in separately the plunger pump cylinder barrel.
The piston 5 of plunger pump, 6 one ends are equipped with Sealing and are installed in the cylinder barrel of plunger pump being used for water is compressed, and compressed water is discharged by one-way valve along exhalant canal; Piston 5,6 the other end stretch out from cylinder barrel.Described piston 5,6 includes the extension that stretches out the cylinder barrel outside, and this extension can not enter into cylinder barrel in piston 5,6 compression stroke yet.Piston 5,6 extensions are respectively arranged with the first groove 7 and the second groove 8, and these grooves 7,8 are along piston 5,6 extend axially, preferably this groove 7,8 symmetrical with respect to the central plane that passes piston diameter.For conserve space, this groove 7,8 preferably arranges the end near extension.
Vertically upper and lower both sides are respectively arranged with inwardly outstanding V-type projection in this groove 7,8, namely go up V-type projection 9 and lower V-type projection 10 (referring to Fig. 2).This V- type projection 9,10 surface be two from the inboard plane that tilts of piston 5,6 outer circumferential piston, two Plane intersects form a crest line.Preferably, the axis vertical (also the central plane with groove is vertical) of this crest line and piston, namely this crest line is not to extend with the parallel direction on groove plane.
Rocking bar 2 one ends link to each other with handle 3, and rocking bar 2 passes two pistons 5,6 groove 7,8.Arrange porosely on this rocking bar 2, bearing pin 4 passes this hole and rocking bar 2 is hinged on the pump housing 1.Although it is hinged to use 4 pairs of rocking bars of bearing pin 2 to carry out in the present embodiment, also can use other can make rocking bar 2 with respect to the pump housing 1 rotational structure.This bearing pin 2 is arranged between two pistons 5,6, is preferably the neutral position between the piston 5,6, thereby rocking bar 2 is equated for two pistons 5,6 the arm of force.Drive rocking bar 2 counterclockwise and clockwise swing by promoting and press down handle 3, thereby drive two plunger pump pistons 5,6 to-and-fro motion.
In the embodiment shown in Fig. 1-3, the V-type projection is asymmetric V-type.That is to say, this V word is made of two crossing oblique lines, and namely the V-type projection is that two inclined-planes consist of; If a side of close together between two plunger pumps is referred to as the inboard, and a side distant between two plunger pumps is referred to as the outside, then the oblique line near piston 5,6 outsides is shorter than the oblique line of piston inboard, that is to say, the summit of this V-type is not to be positioned on the plane of passing piston 5,6 diameters, but plane in parallel.Being V-type groove crest line does not overlap with piston 5,6 diameter.
The comparative view of asymmetric V-type projection (a) and symmetrical V-type (b) has been shown among Fig. 4.Although shown in the utility model embodiment is that the outer side of asymmetric V-type projection is shorter than inner side edge; but also can change as required; for example can make the outer side of V-type projection be longer than inner side edge, this variation falls in the protection domain of the present utility model equally.
Although rocking bar 2 length of bearing pin 4 both sides equate basically in the present embodiment; But the rocking bar of these both sides 2 length also can be unequal.
Preferably, measure from the outside, this crest line is positioned at diameter 1/3 place.For example piston diameter is 10 millimeters, and crest line is positioned at the 3.3 millimeters places of periphery apart from the piston outside so.
Because rocking bar 2 therefore can be to piston 5,6 component that produce radially by making piston 5,6 motions on the inclined-plane that acts on the V-type groove; If it is too many that this crest line outwards departs from the center, then the frictional force between piston side and the cylinder barrel can become larger, can increase the surface friction drag when driving.
Piston 5,6 and the material of rocking bar 2 can select but be not limited to stainless steel, titanium alloy, aluminum alloy, engineering plastics etc.; Its manufacture method can be selected but be not limited to casting, die casting, injection moulding, machining etc.Preferably, the material of piston is engineering plastics; And rocking bar is because of the stressed stainless steel that is preferably.Therefore frictional force between engineering plastics and the stainless steel is less, can reduce each other resistance and engineering plastics characteristics that selflubricating is arranged and can solve lubricated problem.
Although the utility model combines the embodiment with two plunger pumps and is illustrated, the utility model can also be used for the plunger pump of other numbers, for example 1 or 4 etc.It also can be used for the pump of other types, and is not limited to plunger pump.
When being used for a plunger pump, any deletion in two plunger pumps shown in Fig. 1-3 can be got final product.Be the outside (can be inboard and the outside) that bearing pin is positioned at piston, and rocking bar pass piston.
When being used for 4 plunger pumps, can a rocking bar be set for per two plunger pumps, then the end with rocking bar links together with connecting rod, and connecting rod is connected with handle again.Handle just can drive 4 plunger pumps and moves together like this.
Operating process below in conjunction with description of drawings plunger pump of the present utility model.
As shown in Figure 1, when handle 3 pressed down, handle 3 drove rocking bars 2 and clockwise rotates, and plunger pump first piston 5 is moved upward and compresses water cylinder barrel in, and while plunger pump the second piston 6 moves downward and water is sucked in the cylinder barrel; At this moment, two pistons 5,6 V- type groove 9,10 external lateral portion (minor face of V font) are stressed; When rocking bar reached handle 3 bottom dead center position among Fig. 1, handle 3 stopped pressing action, and the stroke of first piston 5 also reaches its peak, and the stroke of the second piston 6 also reaches its minimum point.
Fig. 2 shows the state that rocking bar 2 is positioned at the neutral position.
Then continue operating grip 3 and move upward, handle 3 drives rocking bars 2 and rotates counterclockwise, and plunger pump the second piston 6 is moved upward and compresses water cylinder barrel in, and while plunger pump first piston 5 moves downward and water is sucked in the cylinder barrel, as shown in Figure 3; At this moment, the V-type groove 9 of two pistons, 10 inside parts (the long limit of V font) are stressed; When rocking bar 2 reached handle 3 top dead center position among Fig. 2, handle 3 stopped action upwards, and the stroke of the second piston 10 also reaches its peak, and the stroke of first piston 9 also reaches its minimum point.
Although top specification is illustrated as an example of hand piston pump example, but structure of the present utility model is not limited only to hand piston pump, the plunger pump that also can use electric power, hydraulic pressure or other power to drive, it only is the power unit input that the power by the handle input is changed into other, thereby for example changed handle among the embodiment into the driven by motor eccentric wheel and realized reciprocating mechanism, its structure will become apparent to those skilled in the art that at this does not just do too much description; And its principle is without any variation.Therefore it also falls into protection domain of the present utility model.
The portable water purification device that has been equipped with the utility model plunger pump is described below in conjunction with Fig. 6.
This portable water purification device includes front end pump housing part, intermediate coat pipe and filter core part and rear end off-load blowdown part.Intermediate coat pipe and filter core part respectively with front end pump housing part and rear end off-load blowdown partly with being threaded.
The pump housing partly includes into water and goes out water one-way valve, plunger pump, fork and handle.Plunger pump is moved back and forth suck water to be clean by shaking fork with active handle, and with discharging the pump housing after this water pressurization, enter into intermediate coat pipe and filter core part.
In intermediate coat pipe and film core filter core part, water to be clean generates satisfactory fresh water by reverse osmosis, and unnecessary strong sewage is discharged to rear end off-load blowdown part.
In rear end off-load blowdown part, fresh water is discharged from fresh water pipe, and strong sewage is discharged from sewage pipe.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obvious specific implementation of the present utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technological scheme to carry out; perhaps without improving design of the present utility model and technological scheme are directly applied to other occasions, all within protection domain of the present utility model.
Claims (10)
1. plunger pump comprises:
The pump housing, this pump housing is provided with cylinder barrel;
Piston, an end of this piston is installed in the cylinder barrel;
Rocking bar, this rocking bar provides the driving force of reciprocating motion of the pistons, and can be installed in pivotally on the pump housing;
It is characterized in that:
Described piston includes the extension that stretches out the cylinder barrel outside, be provided with groove at this extension, this groove is provided with the V-type projection at piston shaft to two inboards, the surface of this V-type projection consists of from the intilted plane of piston periphery by two, this two Plane intersects and the crest line that forms is vertical with the axis of piston; Described rocking bar inserts in this groove.
2. plunger pump according to claim 1, it is characterized in that: described rocking bar is installed on the pump housing by bearing pin.
3. plunger pump according to claim 2, it is characterized in that: described plunger pump is the double plunger pump that comprises two cylinder barrels and two pistons.
4. plunger pump according to claim 3, it is characterized in that: described bearing pin arranges in the middle of two pistons.
5. plunger pump according to claim 1, it is characterized in that: described V-type projection is asymmetric V.
6. plunger pump according to claim 5, it is characterized in that: described asymmetrical V-type projection crest line is positioned at apart from piston periphery 1/3 diametrical position.
7. plunger pump according to claim 1, it is characterized in that: described piston is that stainless steel, titanium alloy, aluminum alloy or engineering plastics are made, described rocking bar is that stainless steel, titanium alloy, aluminum alloy or engineering plastics are made.
8. plunger pump according to claim 1, it is characterized in that: described plunger pump is hand piston pump.
9. plunger pump according to claim 1, it is characterized in that: described plunger pump is the manual double plunger pump that comprises two cylinder barrels and piston, described rocking bar is installed on the pump housing by the middle bearing pin of two pistons is set, described V-type projection is asymmetric V, described asymmetrical V-type projection crest line is positioned at apart from piston periphery 1/3 diametrical position, and described piston and rocking bar are that stainless steel, titanium alloy, aluminum alloy or engineering plastics are made.
10. water purification installation, it comprises each described plunger pump among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220049152 CN202756193U (en) | 2012-02-15 | 2012-02-15 | Plunger pump and water purification device therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220049152 CN202756193U (en) | 2012-02-15 | 2012-02-15 | Plunger pump and water purification device therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756193U true CN202756193U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220049152 Expired - Fee Related CN202756193U (en) | 2012-02-15 | 2012-02-15 | Plunger pump and water purification device therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256198A (en) * | 2012-02-15 | 2013-08-21 | 浦坚 | Plunger pump and water purification device with same |
| WO2013120400A1 (en) * | 2012-02-15 | 2013-08-22 | Pu Jian | Check valve assembly, and pump and water purification device using same |
-
2012
- 2012-02-15 CN CN 201220049152 patent/CN202756193U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256198A (en) * | 2012-02-15 | 2013-08-21 | 浦坚 | Plunger pump and water purification device with same |
| WO2013120401A1 (en) * | 2012-02-15 | 2013-08-22 | Pu Jian | Piston pump and water purification device having same |
| WO2013120400A1 (en) * | 2012-02-15 | 2013-08-22 | Pu Jian | Check valve assembly, and pump and water purification device using same |
| CN103256198B (en) * | 2012-02-15 | 2016-05-25 | 浦坚 | Plunger displacement pump and with the water purification installation of this plunger displacement pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150215 |
|
| EXPY | Termination of patent right or utility model |