DE2214567A1 - Improved spin dryer - Google Patents

Description

DR / HB / I3MR / 20o563
22.03. 1972

C A 1 0 R

"Improved spin dryer" ⁿ

The invention essentially has an improved centrifugal machine to the object, which has a basket for receiving the laundry to be spun in an enclosed space, which by a is rotated located in the said closed space motor, wherein the basket and the space is advantageously made of plastic are.

A number of different embodiments of this type are already known, which are more or less complex and with which the extractor from the drum or basket of a washing machine

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machine is formed, which is cusht / ird by an electric motor "

In the case of cheap machines of the latter type, it goes without saying tried to improve the quality of the machine while lierst Reduction of the cost of adjustment, i.e. the mechanical structure of the machine mentioned to simplify it as far as possible and at the same time to preserve an external appearance for the end product that is pleasing to the eye and compatible with large-scale production.

The invention aims at an improved centrifugal machine which is inexpensive and has a particularly simple mechanical structure,

The spinner belongs to the type in which a basket for receiving the laundry to be spun is shot in a room, which is rotated by a shaft coupled to an electric motor, the basket-shaft-electric motor being elastic on one between the basket and the plate inserted in the floor of the interior, characterized in that the floor of said basket has a substantially vertical tube stub into which the upper end of said shaft is inserted by means of a sleeve fixed to said shaft by a pin is attached and cooperates with the said pipe stump ₉ to rotate the said basket, the pipe stump at the same time forming the bearing surface and friction surface for the mechanical braking means.

Other objects, features, and advantages of the invention will become apparent as the description proceeds, which refers to FIG Referring to drawings given by way of example only and illustrating two embodiments of the invention. The following applies:

FIG. 1 shows, in a front view, in outline and in an axial partial section, a centrifuge of a first type corresponds to the invention;

FIG. 2 is an enlarged view of the coupling means of FIG Shaft to the electric motor on the bottom of the basket according to a second embodiment of the invention;

- Figure 3 shows a section corresponding to the line III-III of Figure 2 follows j

- Figure 4 is a plan view of the brake shoes of the basket and

FIG. 5 shows those shown in FIG. 4 when viewed from the left Brake shoes.

FIG. 1 shows an overall view with partial sections of an embodiment of a centrifuge according to the invention, which has a substantially cylindrical or slightly conical basket 1, which is built into the interior of a space 2, which on

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Lining 3 made of rubber or similar material rests «, the space mentioned has in its upper area a door 4 »the opening of which is essentially corresponds to the upper part 5 of the non-closed basket.

The basket 1, the space 2 and the 5 <ir 4 are advantageous made of plastic such as polypropylene,

The basket 1 has a bottom 6, the outer edge of which is made up of holes is penetrated (which are not shown in the drawing) to the outlet of the ejected water, which finally comes from the said Space is discharged through an outlet opening 7.

The basket 1 is rotated about a substantially vertical axis by an electric motor 8, which is mounted under the basket 1 and attached to this basket via a substantially vertical shaft 9, which is fixed on the one hand to the rotor 10 of the electric motor and on the other hand to the Bottom 6 of the basket 1 is connected. The motor 8 is isolated from the basket 1 by a plate 11 which is attached to the interior of the space 2 by suitable means such as screws. This plate 11 is slightly inclined towards the outlet opening 7 in order to facilitate the outflow of the water from the room to the outside and has an essentially central opening 12 for the passage of said shaft 9 _e 11 thus divides the space into two different areas and enables the basket 1 to be isolated from the motor 8 _O

It should be noted that all of the measures described are basically known per se.

The basket-shaft-electric motor unit is suspended and stored with the help of dumbbell-shaped parts 13 made of rubber or similar material, which are firmly attached to the motor 8 on the one hand and to the plate 11 on the other. The electric motor 8 advantageously has an annular region 14 with essentially circular holes in its edge, into which the mentioned G-ummistücke 13- are inserted. In the case of the embodiment shown in FIG Holes provided for this purpose in the annular part 14 of the motor and in the plate 11, which, as mentioned, is placed between the basket and the motor ₀

The motor shaft 9 is provided with the aid of a very simple self-locking device which is described in detail below the bottom 6 of the basket 1 connected

In the first embodiment shown in FIG

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Shaft 9 coupled to the electric motor with the basket 1 with the aid of two essentially cylindrical or half-shell-shaped half-pieces 16 and 17 connected, which are firmly attached to the shaft 9 by a pin 18 and in a pipe stump 19, which on the Bottom 6 of the basket 1 is formed are used «This essentially vertical pipe stump 19 which runs downwards and is arranged essentially centrally in the base 6 of the body, forms a single base with the said base 6 of the body ZoB. piece made by casting. Just like basket 1 exists the bottom 6 having the pipe stump 19 advantageously made of plastic such as polypropylene.

Each end of the pin 18 is seated in a corresponding hole in the inner surface of the two said half-shells 16 or 16 17, which are arranged in this way around the shaft 9 and represent a conical stump to the outside, which is in the mentioned pipe stump 19 inserts. The inner surface of the pipe stump forms a conical stump that corresponds to that of the two around the axis arranged half-shells 16 and 17 formed sensual. About that In addition, the pipe stump 19 is pressed onto the two half-shells 16 and 17 with a disk 20, which is on the above-mentioned upper Part of the basket bottom 6 rests. Β ~ βοβ washer 20 is held by a nut 21 held on a substantially vertical in the end of the called shaft 9 arranged screw is applied, wherein a sealing ring 22 covers the washer 20 and the screw 21 to to completely close the interior of the basket 1 at the outlet point of the pipe stub 19.

This device is assembled as follows: the pin 18 is inserted into the upper end of the shaft 9. the two half-shells 16 and 17 are placed on the shaft 9 and the bottom 6 of the basket 1 is then brought into position on the conical sleeve formed by the two half-shells 16 and 17. The disc 20 is then drawn against the bottom of the basket, whereby a self-locking of the sleeve in the stump 19 is realized so that the game can be recorded. The sealing ring 22 is then placed on the bottom 6 of the basket 1.

In the second embodiment shown in Figures 2 and 3, the shaft 9 is connected to the bottom 6 of the basket 1 with the aid of an im essentially cylindrical and tubular pieces forming the bushing or sleeve, which are fixed to the shaft by means of a pin 26 9 and attached to the tube stump 27 formed on the bottom of the basket

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⁵ "22U567

is put on. As in the previous example, the pipe is blunt 27 has been cast in one piece with the bottom 6 of the basket 1. Each end of the pin 26 rests in a slot or recess which in the upper part of the sleeve 25 is provided. The latter is firmly attached to the shaft 9 in this way. .

The sleeve 25 also has a series of incisions or notches 28 on its edge and in its upper part, the number of which is 3 in the example shown in FIGS. These incisions 28 cooperate with corresponding incisions 29 in the inner surface and on the upper part of the pipe stub 27 _e The number of incisions 29 is equal to that of the incisions 28p In this embodiment, the sleeve 25 is made of metal; but it can also be made of plastic.

The assembly of the device just described is as follows: the pin 26 is inserted into the shaft 9 and arrives into the recesses provided in the sleeve 25 for this purpose. Then the basket 1 is placed on the shaft 9 and the sleeve 25, wherein the rows of cutouts 28 and 29 the Pest set tion of the sleeve in the pipe stub 27 and the rotation of the basket 1 by the motor shaft enable.

In both embodiments of the invention, the motor shaft is advantageously guided in a bushing 30, which is essentially runs vertically and is firmly connected to the stator of the electric motor is. This bushing 30 is e.g. made annular part 14 to which the hangers 13 are attached. The shaft 9 is in the bushing 30 e.g. by ball bearings 31 and 32 ledο

There are also braking means are provided which make it possible to quickly stop the rotation of the basket, when the supply of the electric motor is interrupted "These braking means are actuated by a pedal" which is not shown in the drawings and outside the space 2 is ₀

The braking device has two essentially semicircular arcs which are connected to one another at one end 37 and 38, respectively, by a fastening. The attachment means may be a rivet or a bolt 39 which is mounted on a prepared at the G-ow half portion _E, the two sheets 35 and 36 are interconnected at their other end by a spring 40 in which a flexible mechanical part 41 extends . The spring 40 is located

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between the ends of BCgen 35 and 36 and du.s flexible * .; mechanical part 41 is ZoB. firmly attached to the end of the blessing 35 and running out of the end of the bow? 36 heranS _{0 A} feature of the invention is that the brake shoes formed by the arches 35 and 36 advantageously consist of metal wje z <, B «electrically galvanized sheet metal, and that the arches "j'j and 36 around the lower Arranged around the end of the pipe stub 19 or 27, which is made of plastic such as polypropylene. In this way, a metal - plastic braking system is created which gives excellent results.

The brake just described works as follows: “The The effect exerted by the puss on the said pedal is applied to the both ends of the arches 35 and 36 connected to one another by the spring 40 are transmitted and the two ends are brought closer to one another, resulting in action has that the bifgen 35 and 36 to the one on the bottom 6 of the basket trained pipe stump are pressed,

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Claims (1)

22U567 P ATEHI A.SS PHUOHS 1. A spinner of the type which has an enclosed space in which a basket for receiving the laundry to be spun is enclosed which is rotated by a shaft coupled to an electric motor, the unit basket-shaft-electric motor being resilient to a suspended plate inserted between the basket and the bottom of the closed space, characterized in that the bottom (6) of the said basket (1) has a substantially vertical pipe stump (19 »27) in which the upper end of said shaft (9) with the help a sleeve (25) is inserted which is firmly connected by a pin (18, 26) to said shaft and to said pipe stub (19 »27) works together to rotate said basket (i), whereby said pipe stump (19 »27) at the same time support and braking surface for mechanical pulp forms «, A centrifuge according to claim 1, characterized in that said sleeve (25) consists of two substantially cylindrical half-pieces (16, 17) fixedly connected to said shaft (9) by a pin (18), each end of said pin (18) protrudes into a corresponding hole in the inner surface of the two said half-pieces (16, 17) which are arranged around the shaft (9) and form a conical stump which extends into the corresponding one of the inner surface of the said pipe stump (19) inserts, the said pipe stump (19) being printed on the two half stubs (1>, 17) with the aid of a disc (20) which is placed on the bed (6) of the basket ( 1) and is pressed by a nut (21) mounted on a screw inserted in the end part of said shaft (9), a sealing hood (22) covering said washer (20) and said nut (21) to the interior of said Cor bes (1) to close at the exit point of said pipe stub (19) _o 3β slingshot according to claim 1, characterized in that the said sleeve (25) is substantially cylindrical and tubular and is fixedly connected to said shaft (9) by a pin (26) is, the ends of which are arranged in each case in a hollow recess in the upper part of said socket, the latter one at its edge Row of incisions (28) which correspond to the incisions provided in the inner surface of said pipe stub (27) (29) works together to fix the said sleeve (25) in to ensure said stump (27) and the rotation of said 209853 / 007Λ ~ ⁸ "'- 22H567 To enable basket (1) through the said shaft (9). 4. spinner according to any one of the preceding claims, characterized in that the braking means comprise two have substantially semi-circular, for example, _e of metal such as electroplated sheet produced sheets (55 »36) arranged around said pipe stub (19» 27) around, the z _e B "consists of plastic such as polypropylene, the said arches (35, 36) being connected to one another at one end at a fixed point by any suitable means such as a rivet, bolt, screw (39) or the like and at the other end are connected by means of a spring (40) in which a flexible mechanical piece (41) runs, pulling on the flexible piece (41) pressing open the two said arcs (35-36) causes said pipe stump (19, 21). 5 «slingshot according to one of the preceding claims, characterized characterized in that said electric motor (1O) is a substantially vertical bushing (30) in which said shaft (9) connected to the motor runs, said shaft being in the said bushing (30) is guided by suitable means such as ball bearings (31, 32). 2098 5 3/0074 L e r s e i t e