CN105247209B - Dosing pump - Google Patents
Dosing pump Download PDFInfo
- Publication number
- CN105247209B CN105247209B CN201480016319.1A CN201480016319A CN105247209B CN 105247209 B CN105247209 B CN 105247209B CN 201480016319 A CN201480016319 A CN 201480016319A CN 105247209 B CN105247209 B CN 105247209B
- Authority
- CN
- China
- Prior art keywords
- piston
- shell
- proportioning pump
- reciprocating
- electric motor
- 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.)
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Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Washing And Drying Of Tableware (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明涉及配量泵（1），尤其用于洗涤机、洗碗机或者类似器具中的液体洗涤剂，具有构造为带有往复活塞（7）的活塞泵的泵并且具有带有输出轴（8）的电动马达（6）。在所述输出轴（8）处布置与所述往复活塞（7）共同作用的偏心轮（9），由此使得电动马达（6）的旋转的转动运动转化为往复活塞（7）的平移的往复运动。
This invention relates to a dispensing pump (1), particularly for liquid detergents in washing machines, dishwashers or similar appliances, having a pump constructed as a piston pump with a reciprocating piston (7) and an electric motor (6) with an output shaft (8). An eccentric wheel (9) is arranged at the output shaft (8) to interact with the reciprocating piston (7), thereby converting the rotational motion of the electric motor (6) into the reciprocating motion of the reciprocating piston (7).
Description
Technical field
The present invention relates to a kind of proportioning pumps according to claim 1.
Background technique
Such proportioning pump is for supply and/or dosage for example in rinsing maching, dish-washing machine or other household appliances
Liquid detergent.
Proportioning pump for household appliance usually has electrically driven (operated) pump.It is confirmed, is transported in such proportioning pump
When row, it is thus necessary to determine that certain Dependent Viscosity in the commercial general liquid detergent of different viscosity.Thus in dosage
It will appear inexactness when liquid detergent again.
Summary of the invention
Task of the invention lies in be so further improved the proportioning pump, to realize about the liquid in different viscosity
The improvement in terms of Dependent Viscosity in body detergent.
The task is resolved in proportioning pump by the feature of claim 1.
Proportioning pump according to the present invention has the pump for being configured to the piston pump with reciprocating-piston and for transfer tube
Electric motor with output shaft.Arrangement and the coefficient eccentric wheel of reciprocating-piston at output shaft, so that electronic horse
The rotational motion of the rotation reached be converted into the translation of reciprocating-piston, more specifically especially vibrate the reciprocating motion of translation.
The proportioning pump for liquid detergent is provided as a result, wherein advantageously, the shortcomings that fundamentally avoiding so far.According to
Design of the invention especially realizes:
Until the pump principle of the self-priming on the delivery head of such as 1m；
The optimization generated by the noise of the driving mechanism of the corresponding low noise of application；
The realization of compact dimensioning.
Other design scheme of the invention is the theme of dependent claims.
It is directed to the purpose of the particularly effective operation of proportioning pump, the electric motor can be related to syncmotor.Dosage
Amount (Dosiermenge) can adjust in a simple manner, method be electric motor rely on constant rotational speed driving mechanism example
Such as triggered via the time relay.In compact structure type, in order to reciprocating-piston collective effect, at output shaft
Eccentric wheel can be embedded into the slot at reciprocating-piston, elongate slots, recess or the like.In order to protect proportioning pump, the work
Plug pump can have shell.It can be in the housing reciprocating-piston arrangement guiding in order to which especially function reliably runs proportioning pump
Portion, so that the inclination of reciprocating-piston is avoided.The piston pump can connect with method in its sucking in a simple manner
There is shielding valve at head and/or compression fittings.In order to which especially delicately dosage, the shielding valve can be provided with valve preload
Power, so that the piston pump can not only the sticky liquid detergent of dosage and being capable of the thin liquid scrubbing of dosage
Agent.In compact and equally simple design scheme, the shielding valve can be located in valve plate.It suitably proposes herein,
The valve plate is sealingly arranged at shell.In compact structure type, with opposite with suction attachment and/or compression fittings
The shell end for the hose coupling answered can be arranged at shell.It is directed to the purpose simply assembled, the shell end can
It is fixed at shell by means of clamping lock hook.In addition, lid can be in a compact fashion with method to arranging with being placed in shell end
At shell.Finally, the shell can Approximate Design be in a cost-effective manner cylinder.Expediently, the electric motor
It can be arranged at the outer cover of cylinder, so that output shaft protrudes into shell and/or eccentric wheel is located at the interior of shell
Portion.In order to protect electric motor, electric motor can be equipped with the motor end cap being fixed at shell by means of clamping lock hook.For electricity
The feeder line of the voltage supply of dynamic motor can be guided in mode reliable for operation by means of the segmental support at motor end cap.
In addition, the present invention is provided with working chamber and with for supplying fluid, especially liquid detergent to work
The household appliance of proportioning pump in chamber, especially rinsing maching, dish-washing machine or similar appliances.The proportioning pump corresponds to above
Explanation is designed.
Particularly, the piston pump by electrical motor driven of reciprocating-piston is provided with as the dosage for being used for household appliance
Pump.The electric motor has output shaft, wherein eccentric wheel is arranged at output shaft.The eccentric wheel is so embedded into back and forth
In slot, elongate slots, recess at piston or the like so that the rotational motion of the rotation of the output shaft of electric motor generate it is past
Bring back to life plug translation, especially vibrate the reciprocating motion of translation.
It is directed to the particularly preferred design scheme of proportioning pump according to the present invention, determination is as follows.
In the design for proportioning pump, pump principle (Pumpenprinzip) is embodied as piston pump.The piston pump exists
There are two simple and low-cost shielding valve, the shielding valve is special by it for suction side and/or on the pressure side tool
The valve pretightning force of design is responsible for so that described pump not only for sticky detergent and also for thin detergent reliably
The dosage in defined tolerance.In addition, it is designed in this way the entrance cross-section and/or exit cross-section of pump head, so that even for
The medium of high viscosity also only generates the lower pressure loss and the pump reliably sucks.In order to realize the rotation of syncmotor
Turn rotational motion to piston translation reciprocating motion conversion, using special eccentric wheel principle.Here, on the motor
The eccentric wheel of rotation moves in the elongate slots of piston, thus generates the movement of oscillation.It is true by guide part additional in shell
Keep-alive plug not run-off the straight.
The advantages of being realized using the present invention in particular, in that, in big sticky bandwidth, such as from 1mPas(millipascal) extremely
5000mPas reaches the high dosing accuracy with very small Dependent Viscosity, such as ± 10%.It can be real in a simple manner
The matching of the sticky range of existing entrance cross-section and/or exit cross-section and medium, such as method are the hoses for selecting 8-10mm
The valve opening pressure of bond diameter and/or 0.2 ± 0.1bar.Further it is provided that the pump principle of the self-priming until the delivery head of 1m.
It is responsible for the lesser noise in dosage pump operation by special driving design to generate.In addition, the driving machine for passing through invariablenes turning speed
Structure realizes simple triggering via the time relay.The proportioning pump can be manufactured by low-cost standard manufacturing process.
Finally, the proportioning pump has compact external dimensions.
Detailed description of the invention
The embodiment of the present invention be shown in the accompanying drawings together with different improvement project and design scheme and next in detail
Explanation.Attached drawing is shown:
Fig. 1 illustrates in perspective view proportioning pump；
Fig. 2 shows the exploded views of the proportioning pump of Fig. 1；
Fig. 3 shows the exploded view of proportioning pump with other view；Also,
Fig. 4 shows in a schematic form the household appliance with proportioning pump.
Specific embodiment
The proportioning pump 1 for rinsing maching is shown in FIG. 1, the proportioning pump is used for supply and dosage in washing process
Liquid detergent.The proportioning pump 1 has shell 2, and the shell is equipped with lid 3 at side and is equipped at the other side and is used for
Lead in rinsing maching the pipeline of the liquid reservoir for liquid detergent and lead to washing container pipeline hose coupling 4,
5.There are real pump in shell 2, the pump is driven by means of being arranged in the electric motor 6 at shell 2 again.
As further in Fig. 2 it is apparent as, the pump is configured to the piston pump with reciprocating-piston 7.It is described
Electric motor 6 has output shaft 8, wherein is disposed at output shaft 8 and the coefficient eccentric wheel 9 of reciprocating-piston 7.By
In the eccentric wheel 9, by the rotational motion of the rotation of electric motor 6 be converted into the translation of reciprocating-piston 7, more specifically especially
For the reciprocating motion of oscillation translation.In order to which with 7 collective effect of reciprocating-piston, the eccentric wheel 9 at output shaft 8 is embedded into reciprocating-piston
At 7 in Fig. 3 in visible elongate slots 10, in other slots, in recess or the like in.
The electric motor 6 preferably involves syncmotor, i.e., in wherein rotor synchronously by the fortune in the stator of encirclement
The motor of dynamic rotary magnetic field load.The syncmotor has revolving speed corresponding with the alternating voltage of load as a result,.The electricity
Dynamic motor 6 is equipped with the motor end cap 18 being fixed at shell 2 by means of clamping lock hook 19.By means of the segmental support at motor end cap 18
21 guidance are for the feeder line 20 to 6 service voltage of electric motor.
2 Approximate Design of shell is cylinder.The electric motor 6 is arranged at the outer cover of cylinder, so that institute
State that output shaft 8 protrudes into shell 2 and/or eccentric wheel 9 is located at the inside of the shell 2.Exist in shell 2 for reciprocal
Piston 7 cannot it is further seen that guide part so that avoiding the inclination of reciprocating-piston 7.In addition, in reciprocating-piston 7
There are piston seals 11 at place.
The hose coupling 4,5 is corresponding with the suction attachment and/or compression fittings that are used for proportioning pump 1 and is located at shell
At end 12.The shell end 12 is arranged at shell 2 and is fixed on shell by means of clamping lock hook 13 to being placed in 3 ground of lid
At 2.
The proportioning pump 1 is respectively provided with shielding valve 14 at its suction attachment 4 and at compression fittings 5.The shielding valve 14
Be provided with valve pretightning force so that the proportioning pump 1 can not only the sticky liquid detergent of dosage, and can dosage it is dilute
Thin liquid detergent.It is described shielding valve 14 corresponding to liquid detergent flow direction be arranged and be located at again by means of
O-ring 16 is sealingly arranged in the valve plate 15 at shell 2.The valve plate 15 relative at shell end 12 hose coupling 4,
5 are sealed by means of sealing ring 16.
It can be seen that household appliance, the more precisely washing with the working chamber 23 for being used as washing container in Fig. 4
Machine 22.The rinsing maching 22 has liquid reservoir 24 for fluid, being more specifically used for liquid detergent herein.It is described to wash
Washing machine 22 has corresponding to the proportioning pump 1 described above being designed, and the proportioning pump is used to supply via corresponding pipeline 25
Fluid is into working chamber 23.Particularly, the proportioning pump 1 is related to the piston with reciprocating-piston 7 driven by electric motor 6
Pump.The electric motor 6 has output shaft 8, and eccentric wheel 9 is arranged at the output shaft 8.The eccentric wheel 9 is so embedded into
In slot, elongate slots 10, recess at reciprocating-piston 7 or the like, so that the rotation of the output shaft 8 of the electric motor 6
Rotational motion generate the translation for supplying the reciprocating-piston 7 of fluid, especially vibrate the reciprocating motion of translation.
The present invention is not limited to illustrated and shown embodiment.More precisely, the present invention be also included within it is logical
Cross claim restriction invention in the range of all cleverly (fachm nnisch) improvement projects.Therefore, the proportioning pump 1
It can not only be used in rinsing maching, and can be applied to the dosing system in other household appliance fields, such as washing the dishes
It is used in machine, clarifier or similar appliances.
List of numerals
1: proportioning pump
2: shell
3: lid
4: hose coupling/suction attachment
5: hose coupling/compression fittings
6: electric motor
7: reciprocating-piston
8: output shaft
9: eccentric wheel
10: elongate slots (at reciprocating-piston)
11: piston seal
12: shell end
13: clamping lock hook (at shell end)
14: shielding valve
15: valve plate
16:O shape ring
17: sealing ring
18: motor end cap
19: clamping lock hook (at motor end cap)
20: feeder line (voltage for electric motor)
21: segmental support (at motor end cap)
22: rinsing maching
23: working chamber
24: liquid reservoir
25: pipeline.
Claims (17)
1. proportioning pump is used to supply the sticking liquid scrubbing of tool in rinsing maching or dish-washing machine with preset dosing accuracy
Agent, be configured to the piston pump with reciprocating-piston (7) pump, with for drive the pump with output shaft (8)
Electric motor (6), have at the output shaft (8) arrange, with the reciprocating-piston (7) coefficient eccentric wheel
(9), thus by the rotational motion of the rotation of the electric motor (6) be converted into the translation of the reciprocating-piston (7), oscillation it is flat
The reciprocating motion of shifting,
It is characterized in that,
In order to the reciprocating-piston (7) collective effect, the eccentric wheel (9) at the output shaft (8) is embedded into described toward bringing back to life
It fills in the elongate slots (10) at (7).
2. proportioning pump according to claim 1, which is characterized in that the electric motor (6) is syncmotor.
3. proportioning pump according to claim 1, which is characterized in that the piston pump has shell (2).
4. proportioning pump according to claim 2, which is characterized in that the piston pump has shell (2).
5. proportioning pump according to claim 3 or 4, which is characterized in that in the shell (2) be the reciprocating-piston
(7) guide part is arranged, so that the inclination of the reciprocating-piston (7) is avoided.
6. proportioning pump according to any one of claim 1 to 4, which is characterized in that the piston pump is in its suction attachment
And/or there is shielding valve (14) at compression fittings (4,5).
7. proportioning pump according to claim 6, which is characterized in that the shielding valve (14) is provided with valve pretightning force, thus
So that the piston pump can not only the sticky liquid detergent of dosage, and being capable of the thin liquid detergent of dosage.
8. basis is subordinated to the proportioning pump as claimed in claim 6 when claim 3, which is characterized in that the shielding valve (14)
In the valve plate (15) being sealingly arranged at the shell (2).
9. basis is subordinated to the proportioning pump as claimed in claim 6 when claim 4, which is characterized in that the shielding valve (14)
In the valve plate (15) being sealingly arranged at the shell (2).
10. proportioning pump according to claim 3 or 4, which is characterized in that have and suction attachment and/or compression fittings phase
The shell end (12) of corresponding hose coupling (4,5) is disposed at the shell (2).
11. proportioning pump according to claim 10, which is characterized in that the shell end (12) is by means of for fixing
Clamping lock hook (13) is disposed at the shell (2).
12. proportioning pump according to claim 10, which is characterized in that lid (3) is to being placed in the shell end (12)
It is arranged at the shell (2).
13. proportioning pump according to claim 3 or 4, which is characterized in that shell (2) Approximate Design is cylinder.
14. proportioning pump according to claim 13, which is characterized in that the electric motor (6) is disposed in the cylinder
Outer cover at so that the output shaft (8) protrudes into the shell (2) and/or the eccentric wheel (9) is located at institute
State the inside of shell (2).
15. proportioning pump according to claim 3 or 4, which is characterized in that the electric motor (6) is equipped with by means of clamping lock
Hook (19) is fixed on the motor end cap (18) at the shell (2).
16. proportioning pump according to claim 15, which is characterized in that the voltage for the electric motor (6) supplied
Feeder line (20) is guided by means of the segmental support (21) at the motor end cap (18).
17. household appliance, with working chamber (23) and with for having sticking stream with the supply of preset dosing accuracy
Body is to the proportioning pump (1) in the working chamber (23), which is characterized in that be arranged from electric motor (6) drive with toward resurrection
The piston pump of (7) is filled in as the proportioning pump (1), wherein the electric motor (6) has output shaft (8), wherein described
Eccentric wheel (9) are arranged at output shaft (8), and wherein, the eccentric wheel (9) is embedded into as follows at the reciprocating-piston (7)
In elongate slots (10), so that the rotational motion of the rotation of the output shaft (8) of the electric motor (6) generates the reciprocating-piston
(7) reciprocating motion of oscillation, translation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013004668 | 2013-03-19 | ||
| DE102013004668.8 | 2013-03-19 | ||
| PCT/EP2014/000635 WO2014146761A1 (en) | 2013-03-19 | 2014-03-11 | Metering pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105247209A CN105247209A (en) | 2016-01-13 |
| CN105247209B true CN105247209B (en) | 2019-03-08 |
Family
ID=50277186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480016319.1A Active CN105247209B (en) | 2013-03-19 | 2014-03-11 | Dosing pump |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2976528B1 (en) |
| CN (1) | CN105247209B (en) |
| DE (1) | DE102014002955A1 (en) |
| PL (1) | PL2976528T3 (en) |
| WO (1) | WO2014146761A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024204070A1 (en) * | 2024-04-30 | 2025-10-30 | BSH Hausgeräte GmbH | Method for operating a washing machine with a piston pump for detergent dosing and a washing machine suitable for this purpose |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE462509C (en) * | 1926-03-10 | 1928-07-13 | John Coard Franke | Procedure for lifting liquids by means of pumps with scoop pistons |
| DE3600341A1 (en) * | 1986-01-08 | 1987-07-09 | Saphirwerk Ind Prod | Fine-dosing pump for liquids, in particular for use in HPLC technology |
| US5088902A (en) * | 1989-11-17 | 1992-02-18 | Askoll S.P.A. | Piston type metering pump |
| EP1555954B1 (en) * | 2002-10-17 | 2010-04-14 | Braun GmbH | Mouth rinse and spray nozzle for creating a liquid jet and teeth-cleaning system |
| EP2479335A1 (en) * | 2011-01-19 | 2012-07-25 | Miele & Cie. KG | Metering device for liquid and viscous dispensing agent for a washing machine and washing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2359159T3 (en) * | 2004-11-29 | 2011-05-18 | Nomet Management Services B.V. | VOLUMETRIC PUMP WITH CONTINUOUS FLOW DISTRIBUTION. |
| CN201273255Y (en) * | 2008-08-27 | 2009-07-15 | 任正志 | High-pressure water-saving vehicle washing pump |
| WO2010088780A1 (en) * | 2009-02-05 | 2010-08-12 | Dopag Dosiertechnik Und Pneumatik Ag | Metering valve having electric motor drive |
| TWI531721B (en) * | 2011-01-25 | 2016-05-01 | 周文三 | An air compressor |
| CN202012459U (en) * | 2011-04-18 | 2011-10-19 | 严绍基 | Electric water pump |
| DE102011083297B3 (en) * | 2011-09-23 | 2012-11-08 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance with a metering pump |
-
2014
- 2014-03-06 DE DE102014002955.7A patent/DE102014002955A1/en not_active Withdrawn
- 2014-03-11 WO PCT/EP2014/000635 patent/WO2014146761A1/en not_active Ceased
- 2014-03-11 PL PL14709886T patent/PL2976528T3/en unknown
- 2014-03-11 EP EP14709886.7A patent/EP2976528B1/en active Active
- 2014-03-11 CN CN201480016319.1A patent/CN105247209B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE462509C (en) * | 1926-03-10 | 1928-07-13 | John Coard Franke | Procedure for lifting liquids by means of pumps with scoop pistons |
| DE3600341A1 (en) * | 1986-01-08 | 1987-07-09 | Saphirwerk Ind Prod | Fine-dosing pump for liquids, in particular for use in HPLC technology |
| US5088902A (en) * | 1989-11-17 | 1992-02-18 | Askoll S.P.A. | Piston type metering pump |
| EP1555954B1 (en) * | 2002-10-17 | 2010-04-14 | Braun GmbH | Mouth rinse and spray nozzle for creating a liquid jet and teeth-cleaning system |
| EP2479335A1 (en) * | 2011-01-19 | 2012-07-25 | Miele & Cie. KG | Metering device for liquid and viscous dispensing agent for a washing machine and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2976528A1 (en) | 2016-01-27 |
| WO2014146761A1 (en) | 2014-09-25 |
| EP2976528B1 (en) | 2019-05-08 |
| PL2976528T3 (en) | 2019-10-31 |
| CN105247209A (en) | 2016-01-13 |
| DE102014002955A1 (en) | 2014-09-25 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |