EP0959711A1 - Dispositif de nettoyage pour rasoir a sec - Google Patents

Dispositif de nettoyage pour rasoir a sec

Info

Publication number
EP0959711A1
EP0959711A1 EP98906890A EP98906890A EP0959711A1 EP 0959711 A1 EP0959711 A1 EP 0959711A1 EP 98906890 A EP98906890 A EP 98906890A EP 98906890 A EP98906890 A EP 98906890A EP 0959711 A1 EP0959711 A1 EP 0959711A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
filter
cleaning liquid
cleaning device
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.)
Granted
Application number
EP98906890A
Other languages
German (de)
English (en)
Other versions
EP0959711B1 (fr
Inventor
Jürgen Höser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP0959711A1 publication Critical patent/EP0959711A1/fr
Application granted granted Critical
Publication of EP0959711B1 publication Critical patent/EP0959711B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/46—Devices specially adapted for cleaning or disinfecting shavers or razors

Definitions

  • Cleaning device for cleaning a shaving head of a dry shaving apparatus with a housing, a holding device, a cleaning liquid container, a filter, a conveyor device which can be driven by a motor with a feed pipe to a cleaning trough and a liquid discharge from the cleaning trough to the cleaning liquid container.
  • a cleaning device of the type mentioned is known from DE 44 02 238 C2.
  • a nozzle is provided on a cleaning tub with a drawn-on cleaning liquid permeable porous hose part, which ensures that no dirt particles get into the cleaning liquid container. Due to the strong accumulation of dirt particles to be removed from the shaving head of a dry shaving apparatus, the hose part is clogged relatively quickly, so that cleaning liquid running out of the cleaning trough during the cleaning process cannot get into the cleaning liquid container. The result is an overflow of cleaning fluid from the cleaning device. Measures to remove the blockage, in particular also to remove the dirt particles, cannot be found in this document.
  • a cleaning fluid container with an integrated filter or the filter - FIG. 2 - is provided in the cleaning fluid circuit between the conveying device and the cleaning trough, the cleaning fluid being obtained in the respective cleaning process
  • Dirt particles are conveyed from the conveyor device from the collecting container assigned to the cleaning trough directly into the interior of a filter and is retained by the latter.
  • air is first drawn in from the feed pump of the cleaning device and pressed through the cleaning liquid container with an integrated filter, until the cleaning liquid present in the cleaning liquid container reaches the cleaning trough via a line and then into the suction line of the delivery pump via the collecting container.
  • the continuous accumulation of dirt particles in the interior of the filter creates an increasing resistance in the flow circuit of represents the conveyor to the cleaning trough, with the result of the arrangement of a correspondingly more resilient and thus expensive conveyor.
  • the invention has for its object to improve a cleaning device of the type mentioned.
  • this object is achieved in a cleaning device of the type mentioned at the outset according to the features of claim 1.
  • the cleaning device has a number of advantages.
  • a major advantage is that due to the arrangement of the interchangeable cleaning liquid container with an integrated filter underneath the cleaning trough and the subsequent connection of the conveyor to the interior of the filter, on the one hand, and on the other hand, the further transport of suctioned filtered and thus cleaned liquid via a supply pipe to the cleaning trough and an optimal flow circuit is formed by the discharge of the cleaning liquid from the cleaning trough into the cleaning liquid container.
  • This flow circuit ensures that, on the one hand, the entire cleaning liquid runs out of the cleaning trough into the cleaning liquid container and, on the other hand, the cleaning liquid located in the supply pipe runs back into the cleaning liquid container after the cleaning process has ended, ie after the conveying device has been switched off via the conveying device and the filter.
  • a major advantage of this backflow is that dirt particles that have accumulated on the outer wall of the filter during the cleaning process when suctioning cleaning fluid from the cleaning trough are detached from the filter wall by the pressure of the cleaning fluid flowing back and are pressed into the cleaning fluid container.
  • the arrangement of the cleaning liquid container under the cleaning trough ensures that the filter in the cleaning trough with its filter surface is always below the surface of the cleaning liquid.
  • the cleaning liquid container can be inserted between a wall of the housing and the cleaning trough.
  • the conveying device can be coupled to the filter by means of a pipeline.
  • the pipeline is designed as an insertion cannula that can be passed through a seal of the filter.
  • This type of coupling of the conveying device to the interior of the filter considerably facilitates the coupling of a cleaning liquid container to the conveying device.
  • the outlet opening of the cleaning trough is designed as a nozzle.
  • the inlet opening is designed as a funnel projecting into the interior of the cleaning liquid container.
  • the filter is formed from a filter housing having at least two openings.
  • an opening for introducing and removing the conveying device into or out of the interior of the filter housing and at least one further opening covered with a filter fabric for the passage of the cleaning liquid are provided.
  • the filter fabric covering the openings is preferably fastened to the filter housing and filter housing webs.
  • the filter housing and the filter fabric are formed from an injection molded part.
  • the conveying device is preferably formed from a submersible pump that can be inserted into the interior of the filter.
  • the pump elements of the submersible pump having an inlet opening and outlet opening are provided in a pump housing closed by a housing flange.
  • a simple, safe and inexpensive seal can be achieved in that the contours of the inner wall of the filter housing and of the outer wall of the pump housing are uniform.
  • a gap formed by the distance between the inner wall and the outer wall is dimensioned such that a capillary sealing effect can be produced.
  • An alternative embodiment of the invention is characterized in that the gap formed by the inner wall of the filter housing and the outer wall of the pump housing is closed by means of a sealing lip.
  • the sealing lip is provided on the inner wall of the filter housing or on the outer wall of the pump housing.
  • the cleaning liquid container with the filter is arranged to be movable back and forth parallel to the longitudinal axis of the conveying device.
  • the submersible pump and filter housing are arranged parallel to the longitudinal axis and can be moved relative to one another in the cleaning device. Both embodiments ensure a very easy to handle separation and assembly of the cleaning fluid container with an integrated filter from the housing of the conveyor or vice versa.
  • the inside diameter of the inlet opening is larger than the inside diameter of the outlet opening.
  • the inlet opening and the interior of the filter housing are designed to be closable by means of a closure.
  • FIG. 1 shows a longitudinal section through a cleaning device with a cleaning liquid container provided below a cleaning trough with an integrated filter, a conveying device and a feed line to the cleaning trough in which the shaving head of a dry shaving apparatus is mounted,
  • a conveyor device driven by a motor which is coupled on the one hand to a filter via a pipeline and on the other hand is coupled to a cleaning trough via a feed pipe with built-in pressure accumulator,
  • FIG. 3 shows a section through the lower part of a cleaning device, in particular through a cleaning trough and cleaning liquid container with an integrated filter, and a locking device coupling a wall of the housing with the cleaning liquid container, and a conveyor device with a connected feed pipe,
  • FIG. 4 shows a section through the lower part of the housing of the cleaning device with a pressure transmission element acted upon by spring elements, a control element with control cams for coupling the cleaning liquid container, shown in section next to it, with a guide track and a feed track,
  • FIG. 5 shows the lower part of the housing and the cleaning liquid container according to FIG. 4 in the locked state
  • FIG. 7 shows a section through the lower part of a cleaning device, in particular through a cleaning trough and cleaning liquid container with an integrated filter.
  • FIG. 1 shows a cleaning device RV for cleaning a shaving head SK of a dry shaving apparatus TR with a housing 1, a holding device 2, a cleaning liquid container 3, a filter 4, a conveyor device 6, which can be driven by a motor 5, with a feed pipe 7 to a cleaning trough 8 and one Liquid drain 9 from the cleaning trough 8 to the cleaning liquid container 3.
  • the cleaning liquid container 3 is arranged with an integrated filter 4 below the cleaning trough 8 and above a wall 1 2 of the housing 1.
  • the conveying device 6 is fluidically coupled to the interior 10 of the filter 4 via a pipeline 13.
  • a seal 14 is arranged in a wall of the filter 4, the sealing properties of which are dimensioned such that the required sealing effect both when the pipeline 13 is pushed through and when the cleaning liquid container 3 is subsequently uncoupled Integrated filter 4 is guaranteed by the pipe 13.
  • the inner curvature of the cleaning trough 8 is adapted approximately to the outer contour of a shaving head SK of a dry shaving apparatus TR and only absorbs as much cleaning liquid as is required for the respective cleaning process.
  • two support elements 16 made of elastic material, for example, can be provided on the bottom of the cleaning trough 8.
  • the cleaning trough 3 has an overflow device 17 so that the cleaning liquid 11 in the cleaning trough 3 does not exceed a certain level and thus ensures that only the shaving head SK or part of the shaving head SK is surrounded by cleaning liquid 11 during operation of the cleaning device RV .
  • the liquid discharge line 9 from the cleaning trough 8 to the cleaning liquid container 3 is formed by an outlet opening 18 in the cleaning trough 8, over whose discharge cross-section the level of the cleaning liquid in the cleaning trough is also controllable, a further outlet opening 20 designed as a connection piece 19 and an inlet opening 15 formed, for example, as a funnel 21 in the cleaning liquid container 3.
  • the inlet opening 15 is for example for the purpose of transporting the exchangeable cleaning liquid container 3 by means of a closure - not shown - closable.
  • the dry shaving apparatus TR is held on the support elements 1 6 in the cleaning trough 8 by means of an adjustable holding device 2.
  • the holding device 2 is essentially formed by a wall 23 running parallel to a broad side of the dry shaving apparatus TR and a wall 22 assigned to the bottom wall of the dry shaving apparatus TR.
  • a holding element 24 designed as a device plug is provided on the wall 22.
  • the wall 23 of the holding device 2 coupled to the wall 22 is displaceably mounted in the housing 1, for example parallel to the broad side of the housing of the dry shaving apparatus TR, such that by moving the holding device 2 in the direction of the cleaning tub 8, the holding element 24, which is designed as a plug, is coupled to the plug socket 28 of the dry shaving apparatus TR and, when the holding device 2 is displaced in the opposite direction, decoupling of the holding device 2 from the dry shaving apparatus TR is ensured.
  • the coupling of the device plug of the holding element 24 to the device socket ensures, via the connection to the electrical circuit provided in the cleaning device for the commissioning of the conveyor and / or fan, that electrical voltage is supplied for various purposes, such as, for example, a manually or automatically controlled connection of the electric drive of the dry shaving apparatus TR when the cleaning device RV is started up and / or charging a dry shaving apparatus TR equipped with a rechargeable storage cell after the cleaning device RV has been switched off.
  • the commissioning of the dry shaving apparatus during the cleaning process is supported by the oscillating movement of a cutting element provided in the shaving head of the dry shaving apparatus and the swirling of the cleaning fluid 11 in the shaving head that can be derived therefrom, the cleaning effect of the cleaning fluid 11.
  • a fan 29 is provided with an air supply for drying the shaving head SK after cleaning, ie after cleaning liquid 11 has run out of cleaning tub 8.
  • the switching on and off of the fan 29 can be part of a switching program of a programmable switching device - not shown - and / or can be controlled separately by hand.
  • a locking device which is formed by a spring element 25, a latching element 26 and a latching recess 27, is provided in the housing 1.
  • the locking recess 27 is arranged in the wall 23 of the holding device 2 such that in the course of the displacement of the holding device 2 for holding the dry shaving apparatus TR in a suitable cleaning position of the shaving head SK, the locking element 26 acted upon by the spring element 25 comes into engagement with the locking recess 27 and the holding device 2 with the dry shaver TR locked in this position.
  • the cleaning liquid 11 is fed from the conveying device 6 via a feed pipe 7 to the cleaning trough 8 arranged above the cleaning liquid container 3.
  • the feed pipe 7 is designed as a riser pipe 30 with a liquid level FP 2 which is determined by the confluence of the riser pipe with the liquid pan 8.
  • the height difference of the liquid level FP 2 to the liquid level FP 1 of the cleaning liquid 1 1 in the cleaning liquid container 3 is such that after switching off the conveyor 6 by means of the backflow of the cleaning liquid 1 1 then taking place through the conveyor 6 and the filter 4 on the outer wall of the filter 4 dirt particles are pushed away from the filter wall into the cleaning liquid container 3.
  • FIG. 2 shows a further embodiment of a feed pipe 7 leading from the conveying device 6 to the cleaning trough 8.
  • the feed pipe 7 is divided into a riser pipe 30 and a discharge pipe 31.
  • a pressure accumulator D consisting of a cylinder piston 34 displaceable against a spring element 33, is arranged in the riser pipe 30.
  • the end of the spring element 33 facing away from the cylinder piston 34 is supported on which the riser pipe 30 is closed in a liquid-tight manner. the closure 32.
  • An annular wall of the closure 32 protruding into the riser pipe 30 forms, for example, a stop 35 for the cylinder piston 34 for limiting the stroke in the riser pipe 30.
  • Another stop 36 is for limiting the stroke of the cylinder piston 34 against the direction of flow of the cleaning liquid 11, for example by a smaller enlargement of the inside diameter of the riser pipe 30 is formed in the region of the mouth of the discharge pipe 31.
  • the pressure accumulator D acts on the cleaning liquid 11 with the cylinder piston 34 by means of the energy stored in the spring element 33 and presses the cleaning liquid 11 through the conveying device 6 and the pipeline 13 into the interior 10 of the filter 4 and further back through the filter wall into the cleaning liquid container 3.
  • This backflow of the cleaning liquid 11 caused by the pressure accumulator D is dimensioned with regard to the size of its volume and its pressure such that dirt particles adhering to the outer wall of the filter 4 are loosened and moved into the interior of the cleaning liquid container 3.
  • the arrangement of a pressure accumulator D in a feed pipe 7 leading from a conveying device 6 to a cleaning trough 8 represents an alternative embodiment to removing dirt particles from the outer wall of a filter 4 by the backflow of the cleaning liquid 11 compared to the embodiment variant according to FIG. 1.
  • FIG. 3 shows details of a positionally correct arrangement of a cleaning liquid container 3 with an integrated filter 4 in the housing 1 of the cleaning device RV.
  • a recess 41 is provided, in which a control element 42 with a control element that extends out of the recess 41 projecting control cam 43 is pivotally mounted.
  • the control cam 43 is in engagement with a guide track 44 which is provided in the outside of a wall 40 of the cleaning liquid container 3.
  • the cleaning liquid container 3 is provided, for example, under the action of the pressure of a spring element 47, which on the one hand rests on a stop element 46 provided on the housing 1 and on the other hand acts on a pressure transmission element 45 on the wall 40 of the cleaning liquid container 3 by means of the locking device V in a in the guide track 44 Locked position held.
  • a pipe 13 passing through the seal 14 connects the interior of the filter 4 to the conveying device 6 for conveying the cleaning liquid 11 via the feed pipe 7 into the cleaning trough 8.
  • Fig. 4 shows a section through a plurality of side walls 50 of the housing 1 such that the wall 12 representing the bottom of the housing 1 is visible.
  • a recess 41 is formed in the wall 1 2, in which a control element 42 formed as a one-armed lever with molded control cams 43 is pivotably mounted and mounted.
  • This embodiment also shows a pressure transmission element 45 with centering elements 51 formed thereon for guiding, which is supported on a stop element 46, which is formed by a side wall 50 of the housing 1.
  • the conveying device 6 is shown with an insertion cannula 13 between the two spring elements 47 running parallel to one another at a distance.
  • the insertion cannula 13 projects into an opening 52 provided in the pressure transmission element 45 and can be coupled to the filter 4 arranged in the cleaning liquid container 3 when the pressure transmission element 45 is displaced.
  • 4 also shows a section through the wall 40 of the cleaning liquid container 3 with built-in filter 4 and the course of the guide track 44 with a feed track 54 open from the outside to a latching position 53.
  • the guide track 44 essentially has the shape of a heart a feed path 54 to an outer tip of the heart, the latching position 53 being formed by the inner tip of the heart.
  • the cleaning liquid container 3 is pushed between the two parallel side walls 50 of the housing 1.
  • the control cam 43 of the control element 42 protruding from the recess 41 engages with the guideway 54, follows the course of the guideway 44 until it reaches the latching position 54.
  • the cleaning liquid container 3 with its wall 40 against the pressure transmission element 45 and moves it against the pressure of the spring elements 47 in the direction of arrow V until the control cam 43 has reached the latching position 54.
  • the cleaning container 3 is pressed under the action of the spring tension of the spring elements 47 against the control cam 43 and held in the latching position 53.
  • FIG. 5 shows a sectional view through the housing 1 and the cleaning container 3 of the cleaning device RV with a sectional view of a locking device V located in the locked state.
  • the control cam 43 formed on the control element 42 is in engagement with the detent position 53 provided in the guide track 44 and becomes in this latching position 53 is held under the action of the spring elements 47 via the pressure transmission element 45 on the wall 40 of the cleaning liquid container 3.
  • the control cam disengages from the latching position 53 and slides in the guide track 44 in the feed path 54, so that the cleaning liquid container 3 can be removed from the housing 1 in this unlocked position.
  • Fig. 6 shows a section through the lower part of a cleaning device RV, in particular through a cleaning trough 8 and a cleaning liquid container 3, in which a cup-shaped filter 4 is arranged such that the openings 61 provided in the area of the bottom of the filter housing 70 deep into the cleaning liquid Immerse 1 1.
  • the openings 61 are separated from one another by filter housing webs 72, the openings 61 being covered by a filter fabric 71.
  • the upper edge of the cup-shaped filter housing 70 is fastened in a sealing manner to a wall of the cleaning liquid container 3.
  • a conveyor device 6 can be inserted into the interior 10 of the filter 4 and also removed.
  • 6 shows a conveying device 6 designed as a submersible pump 80 in a state inserted in the filter housing 70.
  • the pump elements the submersible pump 80 having an inlet opening 84 and an outlet opening 85, are provided in a pump housing 81 closed by a housing flange 82.
  • the outlet opening 85 is connected in terms of flow technology to the cleaning trough 8 via a feed pipe 7.
  • the contour of the outer wall 83 of the pump housing 81 and the contour of the inner wall 73 of the filter housing 70 are formed uniformly. This same coordinated shape simplifies the required sealing of the pump housing 81 with respect to the filter housing 70 for the purpose of preventing the outflow of cleaning fluid 11 from the cleaning fluid container 3.
  • a reliable sealing is achieved in that the gap 90 of the the distance between the inner wall 73 of the filter housing 70 and the outer wall 83 of the pump housing 81 is so narrow that a capillary sealing effect is achieved.
  • Another type of sealing is shown in FIG. 7 and is characterized in that the gap 90 is closed by means of a sealing lip 91.
  • the sealing lip 91 can either be formed on the inner wall 73 of the filter housing 70 or on the outer wall 83 of the pump housing 81 his.
  • the motor 5 is fastened within the interior 10 of the filter housing 70 to the housing flange 82 of the submersible pump 80 and can thus be moved in and out together with the submersible pump 80 parallel to the longitudinal axis L into the interior 10 of the filter housing 70.
  • the pump housing 81 is firmly connected to a wall of the housing 1 adjacent to the cleaning trough 8.
  • the conveying device 6 is moved out of the filter 4 parallel to the direction of the arrow of the longitudinal axis L. After the conveying device 6 has reached a position above the liquid container 3, the liquid container 3 can be removed from the space formed by two walls of the housing 1 in order to be exchanged for a new cleaning liquid container 3.
  • FIG. 7 An alternative possibility of exchanging the cleaning liquid container 3 is shown in FIG. 7.
  • the cleaning liquid container 3 together with the filter housing 70 surrounding the conveying device 6 can be pulled off in a direction opposite to the cleaning trough 8 parallel to the direction of the arrow of the longitudinal axis L and by pushing on a new one containing a cleaned cleaning liquid 11 Cleaning liquid container 3 can be replaced.

Landscapes

  • Dry Shavers And Clippers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Apparatus For Making Beverages (AREA)
  • Cleaning In General (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP98906890A 1997-02-17 1998-01-26 Dispositif de nettoyage pour rasoir a sec Expired - Lifetime EP0959711B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19705976 1997-02-17
DE19705976A DE19705976C1 (de) 1997-02-17 1997-02-17 Reinigungsvorrichtung für einen Scherkopf eines Trockenrasierapparates
PCT/EP1998/000417 WO1998035581A1 (fr) 1997-02-17 1998-01-26 Dispositif de nettoyage pour rasoir a sec

Publications (2)

Publication Number Publication Date
EP0959711A1 true EP0959711A1 (fr) 1999-12-01
EP0959711B1 EP0959711B1 (fr) 2003-03-05

Family

ID=7820452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98906890A Expired - Lifetime EP0959711B1 (fr) 1997-02-17 1998-01-26 Dispositif de nettoyage pour rasoir a sec

Country Status (10)

Country Link
US (1) US6371136B1 (fr)
EP (1) EP0959711B1 (fr)
JP (1) JP4021498B2 (fr)
CN (1) CN1158955C (fr)
AT (1) ATE233504T1 (fr)
AU (1) AU6293698A (fr)
DE (2) DE19705976C1 (fr)
DK (1) DK0959711T3 (fr)
HK (1) HK1026347A1 (fr)
WO (1) WO1998035581A1 (fr)

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EP2842450A4 (fr) * 2012-04-27 2015-05-27 Panasonic Corp Dispositif de nettoyage de petit appareil électrique

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EP2842450A4 (fr) * 2012-04-27 2015-05-27 Panasonic Corp Dispositif de nettoyage de petit appareil électrique

Also Published As

Publication number Publication date
DK0959711T3 (da) 2003-06-23
JP4021498B2 (ja) 2007-12-12
DE59807391D1 (de) 2003-04-10
AU6293698A (en) 1998-09-08
US6371136B1 (en) 2002-04-16
WO1998035581A1 (fr) 1998-08-20
EP0959711B1 (fr) 2003-03-05
DE19705976C1 (de) 1998-10-01
CN1246782A (zh) 2000-03-08
HK1026347A1 (en) 2000-12-15
CN1158955C (zh) 2004-07-28
ATE233504T1 (de) 2003-03-15
JP2001512337A (ja) 2001-08-21

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