EP0835956A2 - Chambre de compression pour détecteur de niveau d'eau dans une machine à laver - Google Patents

Chambre de compression pour détecteur de niveau d'eau dans une machine à laver Download PDF

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Publication number
EP0835956A2
EP0835956A2 EP97112972A EP97112972A EP0835956A2 EP 0835956 A2 EP0835956 A2 EP 0835956A2 EP 97112972 A EP97112972 A EP 97112972A EP 97112972 A EP97112972 A EP 97112972A EP 0835956 A2 EP0835956 A2 EP 0835956A2
Authority
EP
European Patent Office
Prior art keywords
encoder housing
tub
nozzle
pair
encoder
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
EP97112972A
Other languages
German (de)
English (en)
Other versions
EP0835956A3 (fr
EP0835956B1 (fr
Inventor
Ismael Gracia Boved
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.)
BSH Balay SA
Original Assignee
Balay SA
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 Balay SA filed Critical Balay SA
Publication of EP0835956A2 publication Critical patent/EP0835956A2/fr
Publication of EP0835956A3 publication Critical patent/EP0835956A3/fr
Application granted granted Critical
Publication of EP0835956B1 publication Critical patent/EP0835956B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/729—Washing machine cycle control

Definitions

  • the invention set forth in the following description relates to a transmitter housing for the Connection of a water level sensor with a lye drain bellows in a washing machine, the encoder housing being a substantially elongated and cylindrical Has shape that on one of its end bases on a corresponding nozzle the suds drain bellows of the washing machine's suds container is connected, and is connected to the water level sensor via its other end base.
  • such a transmitter housing is essentially tubular, and it is connected to one of its end bases with a smaller cross section with the water level sensor is connected, which is based on the pressure measurement principle.
  • a pressure transducer housing is known to a nozzle of a suds outlet bellows at the lower opening of the suds container connected to the washing machine and with a pipe clamp or Hose clamp attached.
  • the encoder housing shown is used in automatic washing machines and enables by connecting to the uniformly designed line of the Suds drain rubber bellows and the water level sensor checking the Water level in the tub.
  • the encoder housing bodies available on the market is for the present invention meaning the one that is formed by a tubular body, whereby he at the end bases for connection to the nozzle of the alkali drain rubber bellows of the washing machine tub in a section with a cross section ends in the form of a circular wreath, which is attached to the rubber socket and is fastened by means of a metal clamp while on its other end base the encoder housing body has a tubular outlet with a cross section of a has a circular ring with a small diameter, with the water level sensor connected is.
  • the main pipe section of the transmitter housing has an oval Section with larger flattened sides, describing some arches, because of which it is not possible to manufacture them by an injection molding process, because the encoder housing has undercuts in its structure. Therefore the mentioned encoder housing body is produced by a more expensive blowing process, where it has some bumps on its surface, which at the joints could give rise to leaks.
  • the invention has for its object to provide a transmitter housing for washing machines continuous surface shapes for the more cost-effective production and the guarantee tightness, with lower cost of its elements and greater simplicity and speed in the assembly processes, both when connecting to the drain hose of the tub as well as on the body of the tub itself get, which represents lower costs in industrial production.
  • this object is achieved in that the encoder housing body in its generally hollow cylindrical shape by an injection molding or injection molding process is manufactured and devices for attachment to the nozzle of the alkali discharge bellows and has further devices for connection to the body of the tub.
  • the encoder housing can be used as fastening and connecting devices a clamp for connecting the encoder housing to the nozzle of the alkali drain bellows of the tub and a bracket for attaching the encoder housing be connected in one piece to the tub.
  • the structure of the encoder housing itself makes it the same in injection molding technology made so that it has better workmanship and on both bases can end in a small thickening, which gives it greater rigidity, whereby external connections can be made without the body of the encoder housing suffered even the slightest deformation in its essential sections the tightness is completely reliable.
  • an encoder housing with its own self-attachment and connection elements described, which has a generally cylindrical, hollow shape and by means of one of its end bases on the corresponding connection piece of the caustic rubber bellows the washing machine tub and by means of it other end base can be connected to the water level sensor. Since the The encoder housing body is manufactured using an injection molding process the devices for connection to the nozzle of the alkali discharge bellows and To be attached to the tub in the simplest way.
  • the encoder housing body has a generally cylindrical, hollow shape with a Taper on one of its end bases, which has an exit with significantly less Describes diameter as at the other end, so that since they have no undercuts has, can be produced by an injection molding process, the gives it perfect workmanship and allows both bases end in a small wall thickening.
  • the devices for attaching the encoder housing body to the associated connector of the alkali drain bellows are characterized by a firmly connected to the body itself Clamp made in a practical version of the same by a radial, flexible Web is connected, which is firmly connected to the mounting bracket, and called clamp on the one hand a toothed end section and at the other end one Head with a slotted opening, which is used to attach the clamp from her toothed end portion is penetrated.
  • the devices for fastening the encoder housing body stand out on the tub by also firmly attached to the transmitter body itself connected bracket that has a radial cantilever that mates with a pair of the free end of the boom towards spring-oriented wings with a substantially rectangular Profile is provided, from the middle part of a pair of spread arms spring out, which end in the form of a barbed tip, which leads to its attachment when passing through the free ends of these arms through an opening of the mounting body the drum allows.
  • the devices for fastening on the nozzle of the tub of the tub by means of one with the body of the encoder housing firmly connected mounting bracket, which is nearby one of the end bases is arranged by means of three webs distributed at a 90 ° angle.
  • This mounting bracket is characterized by one with the three radial webs Encoder housing body firmly connected strips, one at one of its ends Has serrations while its other end has a head that mates with a slotted opening and at least one inner tooth is provided, through which the toothed end is inserted and locked for attachment, the strip the Grip of the rubber bellows.
  • the devices for fastening the body of the transmitter housing are distinguished at the projection of the tub by a clamp with a radially directed Boom out of a first pair of both sides on the free end of the bracket has resiliently curved wings with a substantially rectangular profile the concave middle part of which arises a cone that with a pair of diametrical Thickening is provided and a second pair at its rounded end on the outside of spread apart, arrow-shaped towards the first pair of wings Wings that has a recess at its outer free end for snapping into place Have the opening of the projection for anchoring to the tub.
  • the body of the encoder housing 1 has a substantially cylindrical, hollow shape and one of its bases has a taper 2 for its connection with the Water level sensor.
  • the body 1 designed in this way according to FIGS. 1 to 4 is produced by means of an injection molding process manufactured because it has no undercuts that cannot be pulled out laterally Cores could be kept free. Therefore, it also has on both bases narrow thickenings 3, which give it greater resistance to compression lend and the slipping of the rubber connector connected to it Avoid or hoses.
  • the body 1 of the transmitter housing has perfect processing, and in its manufacture, the clamp 4 and the bracket 5 are firmly connected to it shaped so that it by means of the clamp 4 on the nozzle 6 of the lye drain bellows 7th the tub is connected and by means of the clip 5 on the body of the Suds container itself is attached.
  • the clamp 4 is characterized by a strip 8, which has a toothed Section 9 and is provided with a head 10 at one of its ends, with a slotted opening is provided through which the toothed end of said strip 8 passes through to form a toothed portion 9 to form latching attachment.
  • the strip 8 is fixed to the body 1 by means of a Web 11 connected, which is directed radially away from the body 1 and due to a hinge-like notch allows pivoting by 90 °, so that the strip 8 on the end of the nozzle 6 of the bellows (7, Fig. 4) is pivoted.
  • the web 11 for connecting the clamp 4 is weakened (film hinge-like Notch), which facilitates its bending, so that when pivoting through 90 ° Strip 8 finally engages around the nozzle 6 of the tub's drain hose and its complete attachment allows.
  • the mentioned clamp 4 is finally located near the end base the larger diameter of the encoder housing body, and the assembled nozzle 6 of the bellows 7 strikes against the radial web 11.
  • bracket 5 is fixed to the body 1 of the transmitter housing through the radial boom 12 connected to a pair of on the free end of the boom towards resilient wings 13 provided with a substantially rectangular profile is from the central part of a pair of spread arms 14 arise, which in Form a barb tip end, so that when attaching the body 1 to the body of the tub, this clip by means of the ends of its arms 14 through an opening 15 of the anchoring projection 16 of the tub occurs and spreads behind it.
  • the assembly of the encoder housing body described is much faster and simpler than the conventional embodiment, since it suffices to end with the larger diameter to plug on the connector 6 of the bellows 7 and the connection to be fixed by means of the clamp 4, only by 90 ° in relation to the web 11 is pivoted and locked by latching when the Strip 8 through the head 10. Then the body 1 on the tub by means the clip 5 are attached by the free end of their spread apart Arms 14 inserted through the associated opening 15 of the anchoring projection 16 is, so that it finally with the resilient wings 13 on the outside and with the barbed arm ends 14 on the inner side, as detailed is shown in Fig. 4.
  • the clamp 4 for connection to the nozzle 6 of the alkali discharge bellows 7 of the tub and the clip 5 for attachment to the body of the tub also firmly connected to the encoder housing body 1.
  • the aforementioned stands out Clamp 4 here but by a strip 17, which means with the encoder housing body 1 three webs 18 arranged at a 90 ° angle to one another are firmly connected, wherein this strip 17 again at one of its ends a toothed section 19 and its other end has a head 20 which has an opening 21 for the passage and the anchoring of the toothed end 19 is provided when it is on the nozzle 6 of the alkali discharge bellows 7 of the tub is attached.
  • the clip 5 is also characterized by a body that is radially fixed is connected to the encoder housing body.
  • the clamp 5 has a radially directed one Boom, which is a first pair of both sides on the free end of the bracket has resiliently curved wings 22 with a substantially rectangular profile. From its concave, outwardly directed central part, a cone arises, the one Pair of thickenings 23 with one of the opening 15 of the anchoring projection 16 of the tub body has a similar width.
  • the outside rounded free End 26 of the bracket ends in a pair of diverging, to the pair of curved wing 22 facing wing 24, which has a small at the outer end Paragraph 25.
  • bracket 5 is easy in the opening 15 of the anchoring projection 16 of the Detergent container insertable, it snaps into the shoulders 25 of the outer Surface of the wing 24 is attached while the thickenings 23 when inserted in the opening 15 to anchor and fix the bracket 5 when the bent Wing 22 against the opposite side of the anchoring projection 16 attacks.

Landscapes

  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Clamps And Clips (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Fluid Pressure (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Supports For Pipes And Cables (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Seal Device For Vehicle (AREA)
EP97112972A 1996-08-05 1997-07-28 Chambre de compression pour détecteur de niveau d'eau dans une machine à laver Expired - Lifetime EP0835956B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES09602144U ES1034880Y (es) 1996-08-05 1996-08-05 Campana de presion con autosujecion y conexion propias.
ES9602144 1996-08-05

Publications (3)

Publication Number Publication Date
EP0835956A2 true EP0835956A2 (fr) 1998-04-15
EP0835956A3 EP0835956A3 (fr) 1999-01-27
EP0835956B1 EP0835956B1 (fr) 2003-10-01

Family

ID=8296310

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97500127A Expired - Lifetime EP0823504B1 (fr) 1996-08-05 1997-07-24 Chambre de pression connectée à système de connexion
EP97112972A Expired - Lifetime EP0835956B1 (fr) 1996-08-05 1997-07-28 Chambre de compression pour détecteur de niveau d'eau dans une machine à laver

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP97500127A Expired - Lifetime EP0823504B1 (fr) 1996-08-05 1997-07-24 Chambre de pression connectée à système de connexion

Country Status (10)

Country Link
US (1) US5921112A (fr)
EP (2) EP0823504B1 (fr)
CN (1) CN1083032C (fr)
AT (1) ATE251249T1 (fr)
BR (1) BR9707751A (fr)
DE (1) DE59710800D1 (fr)
ES (2) ES1034880Y (fr)
PL (1) PL185651B1 (fr)
RU (1) RU2190050C2 (fr)
TR (1) TR199700754A3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10058413B4 (de) * 2000-11-24 2006-07-27 BSH Bosch und Siemens Hausgeräte GmbH Laugenabpumpstrang in einer Waschmaschine
DE102008020886A1 (de) * 2008-04-25 2009-10-29 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine
EP2631347B1 (fr) 2012-02-27 2015-07-08 Electrolux Home Products Corporation N.V. Cuve de lavage et machine à laver
CN105442272B (zh) * 2015-11-09 2017-09-26 海信（山东）冰箱有限公司 一种水位传感器、装配方法以及洗衣机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593752A (en) * 1946-05-02 1952-04-22 Murray Corp Fabric washing machine
US4066094A (en) * 1976-03-17 1978-01-03 General Electric Company Combination drain sump and air pressure chamber for automatic clothes washing machine
DE4014359A1 (de) * 1990-05-04 1991-11-07 Bosch Siemens Hausgeraete Wasch- oder geschirrspuelmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962048A (en) * 1959-05-27 1960-11-29 Gorman Rupp Ind Inc Recirculating and drain system
NL264195A (fr) * 1960-05-05 1900-01-01
US3918457A (en) * 1973-05-03 1975-11-11 Mc Graw Edison Co Water level control for washing machines
US4697293A (en) * 1985-12-31 1987-10-06 Whirlpool Corporation Pressure sensing automatic water level control
CN86203013U (zh) * 1986-05-15 1987-01-07 杨效禹 全自动滚筒式洗衣机的水位传感器
CN2155013Y (zh) * 1993-02-18 1994-02-02 沈阳市生物工程电子设备研究所 压力传感器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593752A (en) * 1946-05-02 1952-04-22 Murray Corp Fabric washing machine
US4066094A (en) * 1976-03-17 1978-01-03 General Electric Company Combination drain sump and air pressure chamber for automatic clothes washing machine
DE4014359A1 (de) * 1990-05-04 1991-11-07 Bosch Siemens Hausgeraete Wasch- oder geschirrspuelmaschine

Also Published As

Publication number Publication date
ES1034880U (es) 1997-02-16
EP0835956A3 (fr) 1999-01-27
ES2208793T3 (es) 2004-06-16
RU2190050C2 (ru) 2002-09-27
TR199700754A2 (xx) 1998-02-21
ES1034880Y (es) 1997-07-01
CN1178270A (zh) 1998-04-08
PL321453A1 (en) 1998-02-16
EP0823504A2 (fr) 1998-02-11
TR199700754A3 (tr) 1998-02-21
BR9707751A (pt) 2000-06-06
DE59710800D1 (de) 2003-11-06
EP0823504B1 (fr) 2002-12-11
EP0835956B1 (fr) 2003-10-01
PL185651B1 (pl) 2003-06-30
ATE251249T1 (de) 2003-10-15
CN1083032C (zh) 2002-04-17
EP0823504A3 (fr) 1999-01-27
US5921112A (en) 1999-07-13

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