CN107529915A - Home appliances with pump installation - Google Patents
Home appliances with pump installation Download PDFInfo
- Publication number
- CN107529915A CN107529915A CN201680022658.XA CN201680022658A CN107529915A CN 107529915 A CN107529915 A CN 107529915A CN 201680022658 A CN201680022658 A CN 201680022658A CN 107529915 A CN107529915 A CN 107529915A
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- CN
- China
- Prior art keywords
- gear
- rotation
- home appliances
- appliances according
- housing
- 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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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/04—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2220/00—Application
- F04C2220/24—Application for metering throughflow
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of home appliances (100), it has the pump installation (200) for trandfer fluid, pump installation (200) includes having entrance (204, 504) and outlet (206) housing (202), drive shaft (208), first gear (210) and second gear (212), the first gear is permanently connected with drive shaft (208) and can rotated along the first direction of rotation (220) of drive shaft (208) and the second direction of rotation, the second gear can shift relative to first gear (210).On the first direction of rotation (220), second gear (212) engages with first gear (210), so as to which fluid is delivered into outlet from entrance (204), power can be wherein produced in a second rotational direction, and the power makes second gear (212) displacement release the engagement.
Description
Technical field
The present invention relates to a kind of home appliances with the pump installation for trandfer fluid.
Background technology
In modern household utensil, such as washing machine or dish-washing machine, fluid, such as detergent metering can by means of meter
Device is measured to carry out.Metering device can for example have measuring pump, and the measuring pump is for example in publication DE102009029442A1
In be described.
The content of the invention
The task of the present invention is, realizes a kind of home appliances with pump installation.
The task with the theme according to the feature described in independent claims by solving.The favourable implementation of the present invention
Mode is the theme of accompanying drawing, specification and dependent claims.
According to an aspect of the present invention, the task is solved by the home appliances with the pump installation for trandfer fluid
Certainly, pump installation includes housing, drive shaft, first gear and second gear with entrance and exit, and the first gear is with driving
Moving axis is permanently connected and can rotated along the first direction of rotation of drive shaft and the second direction of rotation, the second gear
It can be shifted relative to first gear, wherein, second gear engages with first gear in the first rotational direction, so as to by fluid
Outlet is delivered to from entrance, wherein, power can be produced in a second rotational direction, and the power makes second gear displacement be nibbled to release
Close.
What is be achieved in has technological merit to be, although invertibity, fluid can only convey along a direction, and opposite
Direction in there is no fluid to be conveyed.Thus, detergent can be for example delivered to by pump installation from the volume container of metering system
Overflow cascade washers is delivered directly in alkali liquor container.When the direction of rotation of first gear is reverse, conveyed without fluid, from
And the detergent for avoiding conveying before is back in storage container from overflow cascade washers.In addition, can be to for washing by pump installation
The detergent amount needed for cleaning process is washed accurately to be measured.Here, the function of pump installation is based on mechanical force and/or convection current,
The mechanical force and/or convection current act on the gear that can be shifted during different direction of rotation.In the first rotational direction,
Two gears with and the first gear that is permanently connected of drive shaft engage, so as to which fluid to be conveyed is delivered into outlet from entrance.
When first gear rotates along the second direction of rotation, i.e., when direction of rotation is reverse, produce along enable second gear freely
The power in the direction of displacement.Thus make second gear release with first gear to engage.For making the power that second gear shifts most of
Produced by frictional force, the frictional force produces between second gear and housing, particularly housing wall.Additionally, convection action
In the gear that can be shifted.The convection current is produced by the rotary motion of first gear, in the convection current to fluid.Along second
Second gear displacement is supported in the convection current of direction of rotation.Preferably, second gear has relative to first gear obliquely to extension
The freedom of motion stretched.When being transformed into the first direction of rotation from the second direction of rotation, second gear is displaced to and the first tooth again
Wheel engagement, so as to which fluid is transported to outlet from entrance again.It is initial for being displaced to second gear to engage with first gear
Power can be produced by the gravity of the second gear.Additionally or alternatively, the convection current caused by changing ground direction of rotation can
Engaged so that second gear is displaced to again with first gear.
Second gear can be engaged to be released completely with first gear by viscous friction or worked similar to ratchet, its
Mode is that the second gear can be pressed again up by each single teeth portion of first gear.Advantageously, in housing
Fluid greatly damp ground and work with lubricating, so as to pump installation although its simple and cheap cost structure still has
There is long service life.
Home appliances is interpreted as the utensil for housekeeping.The utensil can be the large-scale utensil of family expenses, such as washing machine, wash
Wash drying machine, dish-washing machine.But the utensil can also be household small-size utensil, such as water heater, full-automatic coffee machine, kitchen
With machine or dust catcher.
In an advantageous embodiment of home appliances, power due to first gear by being revolved along the second direction of rotation
Transduction causes fluid motion and produced.
The technological merit being achieved in is the power for making second gear be shifted relative to first gear by acting on second gear
On convection current produce.Here, the rotary motion of first gear is delivered on the fluid in housing.Fluid itself is by the rotation
Transhipment is dynamic to be delivered in second gear.According to the direction of rotation of first gear, the convection current to change causes second gear to shift
Engaged to being released with first gear, or make second gear and engaged with first gear.Therefore in order that second gear shifts not
Other mechanism is needed, so as to which pump installation can be manufactured inexpensively.Furthermore, it is possible to durable pump installation is realized, because passing through
Service life can be improved by cancelling the kinematic structure being easily disturbed.
In an other advantageous embodiment of home appliances, for make second gear shift and caused power is
Frictional force, the frictional force are produced by friction of the second gear on the wall of housing.
The technological merit being achieved in is to realize to release the cost engaged with first gear for being displaced to second gear
Cheap and simple mechanism.Rotated by first gear along the second rotation, this rotary motion is delivered to second gear
On, because the two gears are also in engagement.Housing and/or second gear advantageously so determine size, to cause the second tooth
The tooth top of wheel contacts with housing wall, so as to which tooth top rubs on housing wall.Thus frictional force is produced, the frictional force makes the second tooth
Wheel is displaced to release with first gear and engaged.Due to frictional force, second gear can be along housing wall and away from first gear
Motion.Frictional force can be adjusted by the corresponding configuration of the teeth portion profile of second gear and/or the surface texture of housing wall.
Thus, for example coarse surface of shell can strengthen friction effect.
In an other favourable configuration of home appliances, second gear is moved perpendicular to first gear rotation axis
Position.
The technological merit being achieved in is that second gear can be directed during displacement along housing wall.Thereby, it is ensured that
The motion that second gear is directed.Second gear can be real along horizontal direction or vertical direction perpendicular to the displacement of first gear
It is existing.Second gear can also obliquely shift relative to the rotation axis of first gear.Second gear is relative to first gear
The direction of displacement of rotation axis can depend on the configuration of case outlines.
In an other favourable configuration of home appliances, displacement stroke corresponds at least to a tooth of second gear
It is high.According to an embodiment, the radial component of the displacement, i.e. wheelbase are a tooth height.
According to an embodiment, tooth height is equal in the two gears.
The technological merit being achieved in is that second gear can so be released with first gear and engaged, not flow
Body is conveyed in a second rotational direction.Preferably, second gear is with having the circumference tilt relative to first gear to extension
Freedom of motion stretching, with the high radial component of more than one tooth.Therefore, second gear is released and nibbled completely with first gear
Close.In addition, radial component might be less that a tooth height, so as to which the two gears are similar to the principle of ratchet in the following way
Work, its mode is that second gear can be pressed again up by each single teeth portion of first gear.
In an other favourable configuration of home appliances, housing is provided with lug boss.
The technological merit being achieved in is enough free spaces for shifting be present for second gear.Lug boss
It is so structured that extension of the housing on horizontally and/or vertically.Preferably, lug boss is in the housing in second gear
Formed in region.Advantageously, the half of the diameter of second gear is corresponded at least to along the arch portion of direction of displacement.It is then preferred that
Ground, entrance or export processing are in lug boss.There is the underlying working position of first gear in vertically-oriented lug boss
In the case of putting, first gear is arranged in the region of entrance, and lug boss extends straight up, so as to which second gear can be with
Shift straight up.In the case where vertically-oriented lug boss has the operating position above of first gear, first
Arrangement of gears is in the region of outlet, and lug boss extends straight down, so as to which second gear can shift straight down.It is excellent
Selection of land, in the case of above in operating position, second gear floating ground construction.Thus, for example by first gear along
Second direction of rotation rotates and caused small mobilization force has just been sufficiently used for shifting second gear.In addition, only work as
When enclosure interior has fluid, second gear just keeps engaging with first gear.When lacking fluid, second gear be displaced to
First gear releases engagement, and its mode is that the second gear is inside the lug boss being vertical downwardly directed to whereabouts.Only when
When enclosure interior has fluid again, second gear is just returned and engaged with first gear again.Thus the running dry of pump is prevented.
Based on lug boss, case outlines may be constructed such that, to cause the tooth top of second gear during being engaged with first gear in shell
Along about 90 ° of circular motion on body wall.The contact area of reduction between housing wall and the tooth top of second gear is used enough
In enough fluids are conveyed between housing wall and second gear in pump operation.
In an advantageous embodiment of home appliances, second gear is directed by slide bar in enclosure interior.
The technological merit being achieved in is can to adjust the stroke for shifting second gear and can realize second simultaneously
The shift movement that gear is directed.Preferably, slide bar is made up of the axle being connected with second gear, and the axle is in processing in housing wall
In groove in be directed.Slide bar preferably so constructs herein, so as to which second gear can be perpendicular to the rotation of first gear
Axis shift.Second gear is advantageously arranged to rotate on the axle of slide bar.Preferably, the axle by light material, for example
Plastics are formed.Therefore, the gravity for being in reverse to direction of displacement effect of the axle is relatively small, thereby while additional acts on
The gravity of second axle, second gear still are able to shift.Convection current to acting on second gear is related in housing wall and the second tooth
Caused frictional force is sufficiently used for making second gear overcome its gravity, the gravity of axle, the frictional resistance of axle in a groove between wheel
With flow resistance and be displaced to first gear release engage.Advantageously, the fluid in housing is ensured in inside grooves
The axle being directed carries out enough lubrications, so as to which caused friction is small between groove and axle.It is achieved in neatly moving
Position.
In an other advantageous embodiment of home appliances, second gear is arranged to free in enclosure interior
Move on ground.
The technological merit being achieved in is to realize a kind of simple and cheap cost embodiment, because can take
Disappear for the slide bar for guiding second gear.Second gear is directed during displacement preferably along housing wall, and its mode is
The tooth top of two gears contacts with housing wall.
In an other advantageous embodiment of home appliances, entrance is connected with the first chamber, and is exported and the
Two chambers connect, and can produce negative pressure in the first chamber in the first rotational direction and overvoltage is produced in the second chamber, so that by
This caused pressure differential causes second gear to be engaged with first gear, can be produced in a second rotational direction in the first chamber
Press and produce negative pressure in the second chamber, so as to which resulting pressure differential causes second gear releases with first gear to engage.
The technological merit being achieved in is that caused hydraulic pressure relation works along appropriate direction herein, and thus props up
Hold the holding of the position of second gear and/or the displacement of second gear.When fluid is delivered to outlet from entrance, in the first chamber
Form negative pressure and overvoltage is formed in the second chamber.The pressure differential supports second gear to keep engaging or supporting with first gear
Second gear is engaged with first gear again.When first gear rotates along the second direction of rotation, formed in the first chamber
Overvoltage and form negative pressure in the second chamber.Herein caused pressure differential support second gear engaged with first gear releasing and
Displacement.In addition, the pressure differential supports second gear to be maintained on this position.Preferably, the first chamber is to pour shell, and second
Chamber is the flushing hoistway led in cleaning-drum.
In an other advantageous embodiment of home appliances, second gear is connected with spring element, the bullet
Spring element is converted to second gear to engage with first gear.
The technological merit being achieved in is that second gear can be forced into and be nibbled with first gear in the first rotational direction
Close, to ensure that second gear reliably engages with first gear in the first rotational direction.Advantageously, the spring of spring element
Power is designed such as frictional force and/or convection current is larger, so as to which second gear can overcome the spring force of spring element to shift.It is preferred that
Ground, spring element are connected with housing and second gear.Spring element can be configured to compression spring.
In an other advantageous embodiment of home appliances, housing has stopper, the stopper
Limit the motion of second gear.
The technological merit being achieved in is the shift movement for guiding second gear.In addition, can be by by stopper
The region that the region that two gears should not shift should shift with second gear separates.Therefore, stopper can be arranged so as in shell
Internal portion, make it that possible region is ended above or below first gear.Stopper can be structured as one or more
The individual rib and/or lug boss for protruding from housing wall.Preferably, stopper is configured to material identical with housing wall.
In an other advantageous embodiment of home appliances, second gear can sink in a fluid.
The technological merit being achieved in is, it is possible to achieve simple and cheap cost pump installation, because in order that the
The displacement of two gears does not need specific force generating apparatus.Furthermore, it is possible to cancel the slide bar for guiding second gear.Favorably
Ground, second gear have the density bigger than fluid to be conveyed, so as to which second gear return is displaced in the first rotational direction
Engaged with first gear.Preferably, in the case where housing is vertically provided, particularly oriented in lug boss in the vertical direction
In the case of, second gear has the density bigger than fluid to be conveyed.Therefore the terrestrial gravitation of first gear or gravity conduct
Starting force works, and is engaged to make second gear in the first rotational direction with first gear.Thus, pump installation can be into
This is manufactured cheaply.
In an other favourable configuration of home appliances, second gear is made up of magnetic material.
The technological merit being achieved in is that second gear can be controlled from outside on one's own initiative, so that second gear is moved
Position is arrived and engages and/or release engagement with first gear.It is possible thereby to realize with can magnetic switching pumping action pump installation.Cause
This can hull outside arrange one can electric control electromagnet, the electromagnet produces magnetic field, by means of the magnetic field energy
Enough shift second gear.It is possible thereby to construct the metering system with more than two passage.Second gear can be by ferromagnetic material
Material or magnetic material are formed.
In an other advantageous embodiment of home appliances, the tooth form of first gear and/or second gear is
Involute shape.
The technological merit being achieved in is that the gear simply and can be manufactured inexpensively.In addition, involute
The teeth portion profile of shape ensure that the two gears reliably and seamlessly engage.In addition, this teeth portion profile is for wheelbase
Change is insensitive, so as to still ensure that the conveying of fluid when second gear inaccurately engages with first gear.This
Outside, first gear and second gear can also have different tooth forms.
In an other favourable configuration of home appliances, first gear and/or second gear be not with right
The tooth form of title.
The technological merit being achieved in is that displacement and position can be supported to keep.Preferably, tooth form has in flowing skill
Favourable shape in art.
According to the another aspect of home appliances, pump installation includes the second housing with second entrance and second outlet, the
Three gears and the 4th gear, the 3rd gear are permanently connected with drive shaft and can be along the first direction of rotation and second
Direction of rotation rotates, and the 4th gear can shift relative to second gear, the 4th on the second direction of rotation of drive shaft
Gear engages with the 3rd gear, so as to which fluid is delivered into second outlet from second entrance, wherein, in the first rotational direction can
Power is enough produced, the power makes the displacement of the 4th gear release engagement.
The technological merit being achieved in is to realize simple and compact binary channels metering system, the binary channels meter
Amount system only needs a drive device.Binary channels metering system includes two pumps, the pump by a common drive shaft this
Sample is connected to each other, so as to control a pump in the pump according to the direction of rotation of drive shaft.In drive shaft along
When one direction of rotation rotates, second gear engages with first gear, so as to which fluid is delivered to outlet by the first pump from entrance.Simultaneously
In the first rotational direction, the 4th gear and powered 3rd gear are released and engages, so that the second pump not trandfer fluid.Driving
Moving axis along the second direction of rotation rotate when, the 4th gear engages with the 3rd gear, so as to the second pump by fluid from entrance convey
To outlet.Second gear engages with the first gear releasing driven in a second rotational direction simultaneously, so as to which the first pump does not convey
Fluid.Different storage container connections of the entrance of two housings preferably from binary channels metering system.It is possible thereby to according to rotation
Turn direction detergent is transported to and poured in shell from one storage container or another described storage container.Preferably,
The two pumps are arranged one by one.Housing, the lug boss of particularly housing may be constructed such that, to make it possible to free displacement
Gear can be shifted on vertical direction and/or horizontal direction.In addition, the gear that can freely shift can be by means respectively of one
Individual slide bar is that can freely be moved in enclosure interior in the arrangement of gears that enclosure interior is directed and/or can be shifted.
Brief description of the drawings
Other embodiments of the present invention are shown in the drawings and are described in detail hereinafter.
In accompanying drawing：
Fig. 1 shows the schematic diagram of home appliances；
Fig. 2 shows the schematic diagram of the cross section of the pump installation in operating position according to first embodiment；
Fig. 3 shows the schematic diagram of the cross section of the pump installation in no-load running position according to first embodiment；
Fig. 4 shows the schematic diagram of the cross section of the pump installation according to second embodiment,
Fig. 5 shows the schematic diagram of binary channels metering system.
Embodiment
Show to be configured to the schematic diagram of the home appliances 100 of washing machine in Fig. 1.Home appliances 100 includes hoistway 102, meter
Amount system 104 can be pushed into the hoistway.Metering system 104 has storage container 106, can be by detergent or other things
Matter is injected in the storage container.Then the dirty degree and species and family expenses by means of metering system 104 according to washings
The loading condition of utensil 100, the detergent amount needed for this are for example measured to match somebody with somebody and are given in overflow cascade washers or alkali liquor container.Rushing
Water is provided by water channel in shower device, water forms washing alkali liquid together with the detergent amount measured.The washing alkali liquid connects
And imported into the cleaning-drum of home appliances 100, to carry out washing cleaning process.
Fig. 2 shows the pump installation 200 in operating position, the stream that the pump installation is used in delivery measurement system 104
Body, such as detergent.Pump installation 200 includes housing 202, drive shaft 208 and drive shaft with entrance 204 and outlet 206
208 first gears 210 and second gear 212 being permanently connected.The storage that pump installation 200 passes through entrance 204 and metering system 104
Deposit container 106 to connect, and be connected by outlet 206 with overflow cascade washers.The two gears 210,212 have it is symmetrical, gradually open
Linear tooth form.In addition, gear 210,212 can have different and/or asymmetric tooth form.
Housing 202 has the first section 214 and the second section 216, first section and the second section section limit with
The pump cavity 217 of fluid filling.Drive shaft 208 and first gear 210 can be rotated to support in the first section 214.Pass through drive
Moving axis 208 can be such that first gear 210 is rotated along the first direction of rotation 220 and the second direction of rotation 300, first rotation
Direction corresponds to the rotation of first gear clockwise, and second direction of rotation corresponds to first gear along the inverse time
The rotation in pin direction.Second gear 212 can be supported by the inside free movement of the second section 216.Second gear 212 and pump are empty
Chamber 217 so determines size herein, to allow second gear 212 in the internal vertical of pump cavity 217 in first gear 210
Rotation axis shifts along vertical direction V.Therefore, the second section 216 is provided with the lug boss 218 extended along vertical direction V.
In addition, the processing of outlet 206 is in lug boss 218.In addition, second gear 212 is drawn by slide bar 222 inside pump cavity 217
Lead.Slide bar 222 is made up of the axle 224 being connected with second gear 212, and the axle is in the groove 226 in housing wall 213 is processed
It is directed.Housing 202, the pump cavity 217 of the particularly housing so determine size, to cause the tooth top of gear 210,212
All the time contact and be thus supported on housing wall 213 with housing wall 213.
In the operating position corresponding to the first direction of rotation 220, second gear 212 engages with first gear 210, its
In, second gear 212 rotates in the counterclockwise.Here, fluid is between the teeth portion of two gears 210,212 and in gear 201,
Between 212 and housing wall 213 outlet 206 is delivered to from entrance 204.In fig. 2, gear 201,212 direction of rotation pass through arrow
Head is shown.Because the second section 216 is provided with lug boss 218, tooth top contact with housing wall 213 of second gear 212
Region is reduced to about 90 ° of angle.But the angle can also be limited to 90 °.The angle be sufficiently used for by fluid from
Entrance 204 is delivered to outlet 206.The angle is drawn by the comparison with traditional gear pump.
Figure 3 illustrates no-load running position in, the no-load running position corresponds to the second direction of rotation 300,
Two gears 212 are displaced to release with first gear 210 along vertical direction V and engaged.Because the two gears 210,212 are released and nibbled
Close, so fluid is no longer conveyed.Displacement of the second gear 212 along vertical direction V along the second direction of rotation 300 by producing
Power and cause.The power for example produced by the frictional force that is acted between housing wall 213 and the tooth top of second gear 212 and/or
Produced by fluid force, the fluid force is produced by viscous friction.When the two gears 210,212 are also in engagement, then second
The counterclockwise rotates when first gear 210 rotates along the second direction of rotation 300 of gear 212.Thus second gear 212 is made
Tooth top rubbed on housing wall 213.Caused frictional force makes second gear 212 be engaged with the releasing of first gear 210 herein.It is logical
Crossing caused frictional force can be such that second gear 212 is moved straight up along housing wall 213.It is right in addition to frictional force
Stream also acts on second gear 212 along the second direction of rotation 300, because the rotary motion of first gear 210 is delivered to fluid
On.Here, the convection action is in second gear 212 and the second gear is shifted straight up.According to second gear
212 and/or the configuration of slide bar 222, second gear 212 passes through viscous friction and kept and the first tooth in the second direction of rotation 300
Wheel 210 releases engagement completely, or is worked similar to ratchet, and its mode is that second gear 212 is each by first gear 210
Single teeth portion is pressed again up every time.
By being transformed into the first direction of rotation 220 from the second direction of rotation 300, second gear 212 is displaced to and first again
Gear 210 engages.It is displaced to for returning to second gear 212 with the starting force that first gear 210 engages by the second tooth
The gravity of wheel 212 produces.Second gear 212 preferably has the density higher than fluid to be conveyed.Additionally, by rotary motion
Caused convection current can support second gear 212 and be displaced to engage with first gear 210.
Additionally, hydraulic pressure relation works along suitable direction, and the direction is advantageous to keep and/or change second gear
212 position.Negative pressure is formed in the chamber being connected with entrance 204 and be connected with outlet 206 in the first direction of rotation 220
Chamber in formed overvoltage.Pressure dependence is opposite in the second direction of rotation 300.
The second embodiment of pump installation 200, the difference of the second embodiment and first embodiment are shown in Fig. 4
It is, second gear 212 is arranged to freely move inside the second section 216.Second gear 212 has than to be conveyed
The slightly higher density of fluid.Thus, for example caused small flowing can be sufficiently used for making on the circumference of first gear 210
Second gear 212 shifts.
In addition, second gear 212 can be connected with unshowned spring element, the bullet described in the first direction of rotation 220
Second gear 212 is pressed onto and engaged with first gear 210 by spring element.Spring element so constructs herein, to cause the spring
The spring force of element, which is less than, to be used to make second gear 212 be displaced to the power needed for engaging with the releasing of first gear 210.
In addition, second gear 212 can be manufactured by ferromagnetic material or magnetic material.Thus, second gear 212 can be actively
Ground is controlled from outside, and engagement is engaged and/or release with first gear 210 to be displaced to second gear 212.Thus may be used
To realize the pump installation 20 of the pumping action with energy magnetic switching.Therefore, an energy electric control can be arranged outside housing 202
Electromagnet, the electromagnet produces magnetic field, can shift second gear 212 by means of the magnetic field.It is possible thereby to construct
Metering system 104 with more than two passage.Second gear 212 can be made up of ferromagnetic material or magnetic material.
In addition, housing 202 is it is so structured that with the cut-off dress in the lug boss for protruding from housing wall 213 and/ribbed formula
Put.Therefore can be by for second gear 212, region and second that second gear 212 should not shift inside pump cavity 217
The region that gear 212 should shift separates.Therefore, stopper can be arranged so as to inside pump cavity 217, to avoid the second tooth
Wheel 212 shifts above first gear 210.
Figure 5 illustrates the pump installation 500 in binary channels metering system form.Pump installation 500 includes having first entrance
504 and the first housing 502 of first outlet 506, drive shaft 508, the first gear 510 being permanently connected with drive shaft 508 and
Second gear 512.In addition, pump installation 500 has the second housing 514, the 3rd gear 520 being permanently connected with drive shaft 508
With the 4th gear 522, second housing is arranged in the rear of the first housing 502 and has second entrance 516 and second outlet
518.The gear 520 of first gear 510 and the 3rd is connected with drive shaft 508, so as to according to the direction of rotation of drive shaft 508 by fluid
First outlet 506 is delivered to from first entrance 504 or is delivered to second outlet 518 from second entrance 516.Second gear 512
Be arranged to, in housing 502, freely move inside 514 with the 4th gear 522, wherein, the two gears 512,522 have than
The slightly higher density of fluid to be conveyed.It is thus, for example caused small on the circumference of the gear 520 of first gear 210 or the 3rd
Flowing can be sufficiently used for shifting the gear 522 of second gear 512 or the 4th.
When drive shaft 508 rotates along the second direction of rotation 524, the 4th gear 522 engages with the 3rd gear 520, from
And fluid is delivered to second outlet 518 from second entrance 516.Second gear 512 and first in a second rotational direction simultaneously
Gear 510 releases engagement, and first outlet 506 is delivered to from first entrance 504 from without fluid.
On unshowned first direction of rotation of drive shaft 508, second gear 512 engages with first gear 510, so as to
Fluid is delivered to first outlet 506 from first entrance 504.The 4th gear 522 and the 3rd in the first direction of rotation 524 simultaneously
Gear 520 releases engagement, and second outlet 518 is delivered to from second entrance 516 from without fluid.
It is possible thereby to realize simple and compact binary channels metering system, the binary channels metering system only needs one
Drive device.Different storage containers of the entrance 504,516 of the two housings 502,514 preferably from binary channels metering system
Connection.Shell is poured it is possible thereby to be transported to detergent by another one or described storage container according to direction of rotation
Or in overflow cascade washers.
Pump installation 200,500 is characterised by, by simple and cheap cost device, although the gear driven
Invertibity, it still is able to be conveyed fluid only along a direction, is carried out without fluid along opposite direction of rotation
Conveying.
Reference numerals list
100 home appliances
102 hoistways
104 metering systems
106 storage containers
200 pump installations
202 housings
204 entrances
206 outlets
208 drive shafts
210 first gears
212 second gears
213 housing walls
214 first sections
216 second sections
217 pump cavitys
218 lug bosses
220 first direction of rotation
222 slide bars
223 axles
226 grooves
300 second rotating devices
500 pump installations
502 first housings
504 first entrances
506 first outlets
508 drive shafts
510 first gears
512 second gears
514 second housings
516 second entrances
518 second outlets
520 the 3rd gears
522 the 4th gears
524 second direction of rotation
V vertical directions
Claims (15)
1. a kind of home appliances (100), it has the pump installation (200,500) for trandfer fluid, wherein, the pump installation
(200,500) include with entrance (204,504) and the outlet housing (202,502) of (206,506), drive shaft (208,508),
First gear (210,510) and second gear (212,512), the first gear and the drive shaft (208,508) are regularly
Connect and can be along the first direction of rotation (220) and the second direction of rotation (300,524) of the drive shaft (208,508)
Rotation, the second gear can shift relative to the first gear (210,510), it is characterised in that in the described first rotation
Turn on direction (220), the second gear (212,512) and the first gear (210,510) engage, so as to by the fluid
The outlet is delivered to from the entrance (204,504), wherein, it can be produced on second direction of rotation (300,524)
Power, the power make the second gear (212,512) displacement release the engagement.
2. home appliances according to claim 1, it is characterised in that the power by due to the first gear (210,
510) cause the fluid motion along the second direction of rotation (300) rotation and produce.
3. home appliances according to claim 1 or 2, it is characterised in that for moving the second gear (212,512)
Position and the caused power is frictional force, the frictional force by the second gear (212,512) the housing (202,502,
514) friction on wall produces.
4. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,512)
Rotation axis perpendicular to the first gear (210,510) shifts.
5. home appliances according to any one of the preceding claims, it is characterised in that displacement stroke corresponds at least to institute
State a tooth height of second gear (212,512).
6. home appliances according to any one of the preceding claims, it is characterised in that the housing (202,502,514)
It is provided with lug boss.
7. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,215)
It is directed by a slide bar (222) inside the housing (202,502,514).
8. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,512)
It is arranged to freely move inside the housing (202,502,514).
9. home appliances according to any one of the preceding claims, it is characterised in that the entrance (204,504) and one
First chamber connects, and the outlet (206,506) is connected with one second chamber, wherein, on first direction of rotation (220)
Negative pressure can be produced in first chamber and overvoltage is produced in second chamber, so as to which resulting pressure differential causes
The second gear (212,512) is engaged with the first gear (210,510), in second direction of rotation (300,524)
On overvoltage can be produced in first chamber and produce negative pressure in second chamber, so as to resulting pressure official post
Obtain the second gear (212,512) and release engagement with the first gear (210,510).
10. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,
512) be connected with a spring element, the spring element make the second gear (212,512) be converted to first gear (210,
510) engage.
11. home appliances according to any one of the preceding claims, it is characterised in that the housing (202,502,
514) there is stopper, the stopper limits the motion of the second gear (212,512).
12. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,
512) can sink in a fluid.
13. home appliances according to any one of the preceding claims, it is characterised in that the second gear (212,
512) it is made up of magnetic material.
14. home appliances according to any one of the preceding claims, it is characterised in that the first gear (210,
510) and/or the tooth form of the second gear (212,512) is involute shape.
15. home appliances according to any one of the preceding claims, it is characterised in that the pump installation includes having the
Two entrances (516) and the second housing (514) of second outlet (518), the 3rd gear (520) and the 4th gear (522), described
Three gears are permanently connected with the drive shaft (508) and can be along first direction of rotation (220) and described second
Direction of rotation (300,524) rotates, and the 4th gear can shift relative to the second gear (512), it is characterised in that
On the second direction of rotation (300,524) of the drive shaft (508), the 4th gear is nibbled with the 3rd gear (520)
Close, so as to which fluid is delivered into the second outlet (518) from the second entrance (516), wherein, in the first direction of rotation
(220) power can be produced on, the power makes the 4th gear (522) displacement release the engagement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015207344.0A DE102015207344B3 (en) | 2015-04-22 | 2015-04-22 | Household appliance with a pump arrangement |
| DE102015207344.0 | 2015-04-22 | ||
| PCT/EP2016/056496 WO2016169726A1 (en) | 2015-04-22 | 2016-03-24 | Domestic appliance having a pump assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107529915A true CN107529915A (en) | 2018-01-02 |
| CN107529915B CN107529915B (en) | 2019-10-22 |
Family
ID=55637365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680022658.XA Active CN107529915B (en) | 2015-04-22 | 2016-03-24 | Household appliance |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3286370B1 (en) |
| CN (1) | CN107529915B (en) |
| DE (1) | DE102015207344B3 (en) |
| WO (1) | WO2016169726A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192307A (en) * | 2016-08-26 | 2016-12-07 | 南京贝奇工业设计有限公司 | A kind of detergent draw-out device for washing machine |
| DE102016220334B4 (en) | 2016-10-18 | 2024-02-01 | BSH Hausgeräte GmbH | Gear pump for dosing system |
| JP7290516B2 (en) * | 2019-08-29 | 2023-06-13 | 東芝ライフスタイル株式会社 | clothing processing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599654A (en) * | 1945-10-03 | 1948-03-17 | Henry Austin Slack | Improvements in or relating to gear pumps |
| US2895422A (en) * | 1955-06-02 | 1959-07-21 | Gold Harold | Variable displacement fluid pump or motor |
| DE102009046856A1 (en) * | 2008-12-16 | 2010-06-17 | BSH Bosch und Siemens Hausgeräte GmbH | Water-bearing household appliance e.g. washing machine, for washing and/or drying laundry, has pump unit arranged in discharge and/or return line and provided with rotary piston machine that is formed as gear pump |
| CN103866538A (en) * | 2012-12-11 | 2014-06-18 | 海尔集团公司 | Gear pump type automatic liquid adding device and washing machine |
| CN104454511A (en) * | 2014-11-13 | 2015-03-25 | 福州大学 | Internally-engaged gear pump applicable to high pressure and large flow |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3077835A (en) * | 1956-12-11 | 1963-02-19 | Reiners Walter | Controllable hydraulic geartype machine |
| DE3840909A1 (en) * | 1987-12-17 | 1989-06-29 | Volkswagen Ag | Gear pump with delivery rate control |
| DE8915349U1 (en) * | 1989-02-13 | 1990-04-26 | AWECO Kunststofftechnik Gerätebau GmbH & Co KG, 7995 Neukirch | Dishwasher with automatic dosing of a liquid additive |
| DE102009029442A1 (en) * | 2009-09-14 | 2011-03-24 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting domestic appliance with a metering device and an input device |
-
2015
- 2015-04-22 DE DE102015207344.0A patent/DE102015207344B3/en not_active Expired - Fee Related
-
2016
- 2016-03-24 WO PCT/EP2016/056496 patent/WO2016169726A1/en active Application Filing
- 2016-03-24 CN CN201680022658.XA patent/CN107529915B/en active Active
- 2016-03-24 EP EP16712028.6A patent/EP3286370B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599654A (en) * | 1945-10-03 | 1948-03-17 | Henry Austin Slack | Improvements in or relating to gear pumps |
| US2895422A (en) * | 1955-06-02 | 1959-07-21 | Gold Harold | Variable displacement fluid pump or motor |
| DE102009046856A1 (en) * | 2008-12-16 | 2010-06-17 | BSH Bosch und Siemens Hausgeräte GmbH | Water-bearing household appliance e.g. washing machine, for washing and/or drying laundry, has pump unit arranged in discharge and/or return line and provided with rotary piston machine that is formed as gear pump |
| CN103866538A (en) * | 2012-12-11 | 2014-06-18 | 海尔集团公司 | Gear pump type automatic liquid adding device and washing machine |
| CN104454511A (en) * | 2014-11-13 | 2015-03-25 | 福州大学 | Internally-engaged gear pump applicable to high pressure and large flow |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015207344B3 (en) | 2016-06-23 |
| EP3286370B1 (en) | 2019-05-08 |
| CN107529915B (en) | 2019-10-22 |
| WO2016169726A1 (en) | 2016-10-27 |
| EP3286370A1 (en) | 2018-02-28 |
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