EP0321037B1 - Control linkage with an eccentric adjustment pin, for water distribution in domestic washing machines - Google Patents
Control linkage with an eccentric adjustment pin, for water distribution in domestic washing machines Download PDFInfo
- Publication number
- EP0321037B1 EP0321037B1 EP88202834A EP88202834A EP0321037B1 EP 0321037 B1 EP0321037 B1 EP 0321037B1 EP 88202834 A EP88202834 A EP 88202834A EP 88202834 A EP88202834 A EP 88202834A EP 0321037 B1 EP0321037 B1 EP 0321037B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever system
- linkage
- washing machines
- water distribution
- toothed
- 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.)
- Expired
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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
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/028—Arrangements for selectively supplying water to detergent compartments
Definitions
- This invention relates to a control linkage for water distribution in domestic washing machines, the linkage being of the type comprising: a lever system which takes its movement from a conventional motor means (such as the programmer) incorporated in the machine and transfers it to a member which directs the water towards predetermined points, and means provided in said lever system for adjusting or presetting the lever system itself.
- the linkage In order for the water stream to be correctly directed towards the predetermined points, the linkage has to be preset.
- the linkage comprises two mutually engaged toothed sectors provided at the ends of two levers. The wash requirements can be properly set by adjusting the position of engagement between the two toothed sectors.
- this known method has the defect of being relatively complicated and bulky, and during the assembly stage requires the assistance of specialists.
- FR-A-2 446 883 is disclosed a lever system where the adjusting and presetting means act directly on the fixed pivot of one lever.
- the main object of the present invention is to provide a lever system of the indicated type which incorporates simple and compact adjustment and presetting means without this affecting its operability or its ease of adjustment, and which therefore requires no special experience by the personnel concerned.
- the adjustment means are provided in correspondence with an articulated joint of the lever system at which two of its elements converge, and comprise an eccentric pin on which one of said elements is pivoted and which is carried by a toothed male member housed in a toothed female seat provided in the other element, so that any variation in the angular position of the toothed male member relative to the female seat, implemented by adjusting the pin, results in an adjustment to the lever system.
- the female seat is diametrically slotted, so that the male member can be repositioned angularly in the seat without having to be extracted, and by simply rotating it in the seat, this being enabled by the presence of the slot, by the elastic characteristics of the material and by the geometrical shape of the seat.
- the making of this adjustment causes a slight widening of the female seat followed by the elastic return of the seat into its locking position.
- control linkage 1 for water distribution in domestic washing machines receives movement from a motor means, not shown but generally consisting of the programmer (timer) incorporated in the machine, and transfers it to amember 2 which directs a water stream towards predetermined points, such as the conventional detergent drawer incorporated in the machine.
- This linkage comprises a first element or rod 3 of elastically deformable material (such as plastics) which is directly or indirectly connected at its non-visible end to said motor means, whereas at the end visible in Figure 1 it comprises a female seat or eyelet 4 which is diametrically slotted at 5, so that the eyelet is elastically deformable in the sense that its two sides (y) are able to diverge to a certain extent.
- elastically deformable material such as plastics
- the inner face (x) of the eyelet is densely toothed.
- the eyelet 4 houses a male member 6 in the form of a peripherally cylindrical body correspondingly toothed at Z.
- a discoidal part 7 is rigid with the male member and rests at its edge on a step 8 of the eyelet 4.
- Thediscoidal part 7 carries an eccentric pin 9 which is lowerly cylindrical at 9A and upperly square at 9B. With the use of a tool, the male member 6 can be rotated by means of the square portion 9B so as to reposition the eccentric pin 9 in the desired direction relative to the eyelet 4.
- lever 10 is pivoted on a fixed pin provided in the washing machine.
- the lever 10 terminates with an elongated hole 12 into which a pin 13 of the controlled member 2 penetrates.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Transmission Devices (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Multiple-Way Valves (AREA)
Description
- This invention relates to a control linkage for water distribution in domestic washing machines, the linkage being of the type comprising: a lever system which takes its movement from a conventional motor means (such as the programmer) incorporated in the machine and transfers it to a member which directs the water towards predetermined points, and means provided in said lever system for adjusting or presetting the lever system itself. In order for the water stream to be correctly directed towards the predetermined points, the linkage has to be preset. According to German utility model 8220740.2, in order to enable this presetting to be carried out, the linkage comprises two mutually engaged toothed sectors provided at the ends of two levers. The wash requirements can be properly set by adjusting the position of engagement between the two toothed sectors. However this known method has the defect of being relatively complicated and bulky, and during the assembly stage requires the assistance of specialists.
- In FR-A-2 446 883 is disclosed a lever system where the adjusting and presetting means act directly on the fixed pivot of one lever.
- The main object of the present invention is to provide a lever system of the indicated type which incorporates simple and compact adjustment and presetting means without this affecting its operability or its ease of adjustment, and which therefore requires no special experience by the personnel concerned. This and other objects which will be more apparent from the detailed description given hereinafter are attained by a linkage in which the adjustment means are provided in correspondence with an articulated joint of the lever system at which two of its elements converge, and comprise an eccentric pin on which one of said elements is pivoted and which is carried by a toothed male member housed in a toothed female seat provided in the other element, so that any variation in the angular position of the toothed male member relative to the female seat, implemented by adjusting the pin, results in an adjustment to the lever system. Advantageously, the female seat is diametrically slotted, so that the male member can be repositioned angularly in the seat without having to be extracted, and by simply rotating it in the seat, this being enabled by the presence of the slot, by the elastic characteristics of the material and by the geometrical shape of the seat. Thus the making of this adjustment causes a slight widening of the female seat followed by the elastic return of the seat into its locking position.
- The invention will be more apparent from the detailed description given hereinafter by way of example with reference to the accompanying drawing in which:
- Figure 1 is a partial plan view of the linkage according to the invention;
- Figure 2 is a section on the line II-II of Figure 1; and
- Figure 3 is a detail of the articulated joint at which the compensation takes place.
- With reference to the figures, the illustrated control linkage 1 for water distribution in domestic washing machines receives movement from a motor means, not shown but generally consisting of the programmer (timer) incorporated in the machine, and transfers it to amember 2 which directs a water stream towards predetermined points, such as the conventional detergent drawer incorporated in the machine.
- This linkage comprises a first element or
rod 3 of elastically deformable material (such as plastics) which is directly or indirectly connected at its non-visible end to said motor means, whereas at the end visible in Figure 1 it comprises a female seat or eyelet 4 which is diametrically slotted at 5, so that the eyelet is elastically deformable in the sense that its two sides (y) are able to diverge to a certain extent. - The inner face (x) of the eyelet is densely toothed.
- The eyelet 4 houses a
male member 6 in the form of a peripherally cylindrical body correspondingly toothed at Z. A discoidal part 7 is rigid with the male member and rests at its edge on astep 8 of the eyelet 4. Thediscoidal part 7 carries an eccentric pin 9 which is lowerly cylindrical at 9A and upperly square at 9B. With the use of a tool, themale member 6 can be rotated by means of thesquare portion 9B so as to reposition the eccentric pin 9 in the desired direction relative to the eyelet 4. - The end of a further element or
lever 10 of the lever system is pivoted on thecylindrical portion 9A and receives movement from thefirst lever 3 through the pin 9. - At an intermediate point the
lever 10 is pivoted on a fixed pin provided in the washing machine. Thelever 10 terminates with anelongated hole 12 into which apin 13 of the controlledmember 2 penetrates. - In order to adjust or preset the lever system and thus set the reference position of the controlled
member 2 it is necessary only for the operator to engage the tool on thesquare portion 9B and rotate the tool as required, so equally rotating the toothedmale member 6 which consequently rotates in the eyelet 4, this widening sufficiently because of the presence of the slot. On termination of the rotation, the toothings re-engage, and themale member 6 and consequently the eccentric pin 9 are locked in their newly adjusted position.
Claims (2)
- A control linkage for water distribution in domestic washing machines, the linkage comprising: a lever system which takes its movement from a motor means (such as the programmer) incorporated in the machine and transfers it to a member which directs the water towards predetermined points; and means provided in said lever system for adjusting, presetting or compensating the lever system itself, characterized in that the adjustment means are provided in correspondence with an articulated joint at which two of the lever system elements (3, 10) converge, and comprise an accentric pin (9) on which one (10) of said elements (3, 10) is pivoted and which is carried by a toothed male member (6) housed in a toothed female seat (4) provided in the other element (3), so that any variation in the angular position of the toothed male member (6) relative to the female seat (4), implemented by adjusting the pin (9), results in an adjustment to the lever system (3, 10).
- A linkage as claimed in Claim 1, characterized in that the female seat (4) is represented by an eyelet which is slotted (at 5) and is provided in one (10) of said elements (3, 10) .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8722874U IT213110Z2 (en) | 1987-12-15 | 1987-12-15 | COMMAND KINEMATISM WITH RECORDING ECCENTRIC, FOR THE RECORDING OF WATER IN THE DOMESTIC WASHING MACHINE MACHINES. |
IT2287487U | 1987-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0321037A1 EP0321037A1 (en) | 1989-06-21 |
EP0321037B1 true EP0321037B1 (en) | 1992-04-01 |
Family
ID=11201422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88202834A Expired EP0321037B1 (en) | 1987-12-15 | 1988-12-09 | Control linkage with an eccentric adjustment pin, for water distribution in domestic washing machines |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0321037B1 (en) |
DE (1) | DE3869751D1 (en) |
ES (1) | ES2032005T3 (en) |
IT (1) | IT213110Z2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108252031B (en) * | 2018-01-09 | 2023-01-06 | 青岛海尔洗衣机有限公司 | Washing machine control rod structure and washing machine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT7934005V0 (en) * | 1979-01-18 | 1979-01-18 | Zanussi A Spa Industrie | IMPROVEMENTS IN DETRSIVE DISTRIBUTORS FOR LAUNDRY WASHING MACHINES. |
IT8122422V0 (en) * | 1981-07-21 | 1981-07-21 | San Giorgio Elettrodomesti | GROUP FOR THE INLET OF SELECTED WASHING LIQUID TO THE TANK OF A WASHING MACHINE. |
-
1987
- 1987-12-15 IT IT8722874U patent/IT213110Z2/en active
-
1988
- 1988-12-09 ES ES198888202834T patent/ES2032005T3/en not_active Expired - Lifetime
- 1988-12-09 DE DE88202834T patent/DE3869751D1/en not_active Expired - Fee Related
- 1988-12-09 EP EP88202834A patent/EP0321037B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT213110Z2 (en) | 1989-10-13 |
IT8722874V0 (en) | 1987-12-15 |
EP0321037A1 (en) | 1989-06-21 |
DE3869751D1 (en) | 1992-05-07 |
ES2032005T3 (en) | 1993-01-01 |
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