EP3321412B1 - Stand laundry dryer - Google Patents

Description

The invention relates to a tumble dryer according to the preamble of claim 1, in particular a tumble dryer with a mast, a plurality of support arms articulated on a along the mast from a lower closed position into an upper open position of the tumble dryer movable sliding joint and a spreading device upon movement of the sliding joint are spreadable in the direction of the upper end of the mast and run between them clotheslines for hanging laundry, and with a collapsible stand frame. The stand frame in this case has at least three hinged to a leg articulation legs, wherein for fixing the sliding joint in the open position, a locking device is provided, which is releasably fixed in a locking position, the sliding joint and can be converted into a release position, in which the sliding joint along the mast to is movable down.

Floor clothes dryers of this type are from the DE 10 2012 103 956 A1 and the US 2 794 556 A (may be considered as the closest prior art). The well-known tumble dryer the DE 10 2012 103 956 A1 is constructed in the manner of a rotary dryer. For this purpose, in the upper region four hinged to the sliding joint support arms which are spread over Spreizstangen when pushing up the sliding joint from a position in which they rest on the mast in a position in which they are directed away from the mast. The slide joint can be locked in the upper area, so that the clothes dryer can be equipped with laundry items to be dried.

The slide joint is held in this rotary clothes dryer via a latching device in the open position of the rotary dryer, wherein the latching device has latching lugs which engage resiliently in corresponding recesses. To open and close the rotary dryer this has a push button, the opening aid presses into the recesses, so that the locking lugs thereby can be pushed out of the recesses and the sliding joint can move down.

In the lower part, the known clothes dryer on a stand frame, which has three or four legs, which are angled downwards from the mast. The legs are hinged to a central strut bearing, which is slidably provided at the lower end of the mast, so that the folded legs are retractable into the hollow cylindrical mast.

The known tumble dryer has the advantage that, by the collapsible rack and the ability to collapse the support arms, as in every rotary clothes dryer, a tumble dryer is formed, which can be easily stored in a collapsed position. The disadvantage of the known tumble dryer, however, is that the screen for hanging the laundry items and the rack must be clamped separately, which complicates the handling.

The object of the invention is therefore to provide a clothes dryer that is reliable and easy to install at low production costs.

This object is achieved according to the invention by a tumble dryer according to claim 1. The new clothes dryer is characterized in particular by the fact that the stand frame has spreader bars, which are hinged with an outer end to the legs, and a coupling rod is provided which is movable along the mast, wherein the coupling rod on the one hand connected to the sliding joint and on the other is connected in such an articulated manner with inner ends of the Spreizstangen that with the sliding joint when moving the sliding joint in the lower closed position downwardly displaced coupling rod is able to put the legs together.

Due to the inventive design of the tumble dryer now the opening movement and the closing movement of the rack and the sliding joint are coupled together. The user thus automatically clamps the support arms when opening the stand frame, so that the tumble dryer is ready to move with a movement. For this purpose, the stand frame on Spreizstangen, which are hinged with their outer end to the legs articulated. These spreader bars are substantially similar to those which also move the support arms away from the mast when the sliding joint is pushed up.

In addition to the Spreizstangen a coupling rod is provided, which is movable along the mast. This coupling rod is connected to the sliding joint and is forcibly moved by the movement of the sliding joint. This does not mean that the coupling rod must be connected directly to the sliding joint, but also an indirect coupling can be provided, so that the coupling rod can be slidably mounted only in the lower part of the mast. Such indirect storage can for example take place via a cable, wherein the movement of the sliding joint pulls down on the run, for example, in the mast rope, which in turn pulls a deflection at the lower end of the mast, the coupling rod mounted there from the lower end of the mast out ,

The spreader bars are articulated to the coupling rod so that the movement of the coupling rod pushes the spreader bars outwards and thus spreads the legs. The coupling rod can be mounted in the interior of the mast, which then of course must be hollow cylindrical or rectangular with corresponding cavity, or be slidably mounted on the outer wall of the mast. Essential for the implementation of the positive opening of the rack or the support arms is merely the fact that the storage of the support arms on the one hand and the Spreizstangen on the other hand is simultaneously displaced via the coupling.

The coupling rod is formed in the preferred embodiment so that it is displaceably mounted on or in the mast, but always protrudes with a lower end of the free end of the mast, even if the slide joint is in the upper position. For this purpose, the rack is designed so that the mast is positioned appropriately high above the ground, so that the mobility of the coupling rod is given.

The mobility of the sliding joint in turn may be limited by a lower stop down, which can be used to support arms and / or spreader bars or legs can not rest parallel to the mast. This slight inclination has the advantage that the user simply places the folded tumble dryer on the floor and spreads the legs by pressing the mast. These are then forced apart and at the same time push the sliding joint upwards over the coupling rod, so that the umbrella-like, upper part of the tumble dryer opens.

The closing of the tumble dryer is done by releasing the locking device. The weight of the support arms and the legs can fall down and attach to the mast. Again, a locking connection may be provided which can be activated, for example, by slight pressure on the almost completely folded support arms. Further, a closing spring may be provided which urges the slip joint after releasing the locking connection in the lower closed position. Both measures have the advantage that the folded tumble dryer at the storage location can not accidentally open.

Usually, the tumble dryer is opened, in which the user either, as described above, presses the stand frame on the ground or by hand pushes the support arms apart and thus pulls up the slide joint. Alternatively, of course, an elevator line may be provided, which is already known from the usual rotary clothes and over which the slide joint can be pulled upwards. Such an elevator line is for example attached to the slide joint and runs from there upwards to the upper end of the mast, is deflected there and then extends to a lower further deflection, which it hangs down with a free end. If the user now pulls on this free end, he pulls through the deflection of the slide joint upwards.

The latching device is preferably designed such that it has a retaining edge and an actuating means. The actuating means engages behind the retaining edge with a latching portion in the holding position. Furthermore, the actuating means can be transferred to a release position, in which the latching portion no longer engages behind the retaining edge. This can be done in many ways.

A possible embodiment of a preferred locking device has a rotary knob, via which the actuating means can be rotated or which forms the actuating means itself. At the slip joint then the retaining edge can be provided. For this purpose, the sliding joint protrude through slots in the interior of the hollow cylindrical mast. The retaining edge can then be provided at these inner regions, wherein the retaining edge extend only a portion of the circumference of the inner wall of the mast. The rotatable actuating means in turn has the latching portions and can be rotated so that it engages behind in the upper holding position, the retaining edge of the sliding joint. Of course, this kinematics can also be realized vice versa.

In a further preferred embodiment, the actuating means against the force of a return spring is acceptable. This return spring holds the actuating means in the holding position, wherein for closing the tumble dryer, this force of the return spring must be overcome, so that the slide joint can fall down.

To be able to shift the slide joint when opening the tumble dryer in the upper open position without having to rotate the actuator, the contact point at which the sliding joint abuts against the underside of the actuating means may be provided with inclined planes, so that the sliding joint itself the actuating means against can displace the force of the retaining spring. The locking device can happen and then automatically via the return spring latching takes place.

Further features and advantages of the invention will become apparent from the following description of preferred embodiments with reference to the drawings.

Fig. 1

einen aufgestellten, erfindungsgemäßen Standwäschetrockner,

Fig. 2

den Standwäschetrockner aus Figur 1 in zusammengeklappter Stellung und

Fig. 3

den Bereich des Standgestells des in den Figuren 1 und 2 dargestellten Standwäschetrockners in vergrößerter Detailansicht.

In the drawings shows:

Fig. 1

a set up, according to the invention tumble dryer,

Fig. 2

off the tumble dryer FIG. 1 in folded position and

Fig. 3

the area of the base frame in the Figures 1 and 2 shown booth dryer in enlarged detail view.

In FIG. 1 an inventive clothes dryer is shown. The tumble dryer has a mast 1, on which a sliding joint 10 is slidably mounted in the upper region. On the slide joint 10 spreading arms are articulated, the support arms 2, which are articulatedly mounted at the upper end of the mast 1, spanning up the slide joint 10. Between the support arms 2 runs the clothesline 3, where the laundry items can be hung.

In the lower part of the floor clothes dryer on a stand frame, which is formed by four legs 4. These are also spanned by Spreizstangen 9, which are articulated at one end to the legs 4 and with the opposite end to a coupling rod 8. The coupling rod 8 in turn is connected to the sliding joint 10, so that a displacement of the sliding joint 10 automatically causes a displacement of the coupling rod 8 along the mast 1.

FIG. 2 shows the in FIG. 1 illustrated embodiment of the tumble dryer in collapsed position. It can be seen that the stanchions 4, which are hinged to the stanchion articulation 5, hang down from the stanchion 5. So here are the legs 4 not drawn into the mast 1 but folded down.

FIG. 3 shows in the area of the rack in an enlarged view. It can be seen that the spreader bars 9 are articulated to the coupling rod 8. From outside to inside, the spreader bars 9 are sloping down, so that a displacement of the coupling rod 8 downwards, which forcibly upon lowering of the sliding joint 10 (see FIG. 1 ), the spreader bars 9 fold down the legs 4 down.

The coupling rod 8 can extend through the entire mast to the sliding joint 10. Alternatively, a cable can be provided which moves the coupling rod 8 together with the sliding joint 10. If desired, the legs 4 can also be designed as telescopic rods, so that the storage space required for storing the tumble dryer can be additionally reduced.

LIST OF REFERENCE NUMBERS

1

mast

2

support arm

3

Clothes line

4

foothold

5

Standbeinanlenkung

6

actuating means

7

attack

8th

coupling rod

9

spreader

10

slip joint

D

axis of rotation

Claims (14)

1. Stand laundry drier with

   a mast (1),

   several support arms (2), which are hinged on a sliding joint (10) that can be moved along the mast (1) from a lower closed position into an upper open position of the stand laundry drier, and can be spread open by means of a spreading device whilst moving the sliding joint (10) in the direction of the upper ends of the mast (1), and between which washing lines (3) for hanging items of washing extend, and with

   a foldable stand frame, which has at least three spreadable upright legs (4) hinged to an upright leg guide (5) of the mast (1),

   wherein an arresting device is envisaged for fixing the sliding joint (10) in the open position, which can fix the sliding joint (10) disconnectably in a locking position, and can be transferred into a release position, in which the sliding joint (10) can be moved downward along the mast (1), and the stand frame has spreading rods (9), which are hinged to the upright legs (4) with an outer end, characterised in that a coupling is envisaged, which couples the movement of the sliding joint (10) with the movement of the spreading rods (9) and in that the coupling is formed by a coupling rod (8), which is moveably mounted along the mast (1), wherein the coupling rod (8) is hinged to the sliding joint (10) on the one hand, and to the inner ends of the spreading rods (9) on the other hand in such a way that the coupling rod (8) can fold the upright legs against each other when it is displaced downwards with the sliding joint (10) when moving the sliding joint (10) into the lower closed position.
2. Stand laundry drier according to claim 1, characterised in that the coupling rod (8) is connected with the sliding joint (10) either directly or via a pulley system.
3. Stand laundry drier according to claim 1 or 2, characterised in that the coupling rod (8) is moveably mounted in the interior of the hollow mast (1) and is connected with the sliding joint (10) via oblong holes in the wall of the mast (1).
4. Stand laundry drier according to one of the preceding claims, characterised in that the coupling rod (8) is moveably mounted on the outside of the mast (1).
5. Stand laundry drier according to one of the preceding claims, characterised in that the coupling rod (8) projects from the lower end of the mast (1) with one free end in every position of the sliding joint (10), wherein the spreading rods (9) are hinged to the free end.
6. Stand laundry drier according to one of the preceding claims, characterised in that the moveability of the sliding joint (10) is limited in a downward direction by a stop (7).
7. Stand laundry drier according to the preceding claim, characterised in that the stop (7) limits the moveability of the sliding joint (10) in such a way that the support arms and the upright legs are angled at a sharp angle to the mast (1) when the sliding joint (10) abuts against the stop (7).
8. Stand laundry drier according to one of the preceding claims, characterised in that the stand washing drier has a closing spring, which forces the sliding joint (10) and the coupling rod (8) connected with the same in the direction of the lower closed position.
9. Stand laundry drier according to one of the preceding claims, characterised in that a rising line is envisaged, which extends along the mast (1) in such a way that it can be pulled upward into the open position via the sliding joint (10).
10. Stand laundry drier according to one of the preceding claims, characterised in that the arresting device for fixing the sliding joint (10) in the upper open position is formed by a retention edge arranged on the sliding joint (10) or on an attachment part envisaged on the sliding joint (10) and on an actuating means (6) moveably arranged on the mast (1), engaging the retention edge from behind in at least one position, and is designed in such a way that moving the actuating means (6) from a holding position into a release position cancels the rear engagement of the retention edge.
11. Stand laundry drier according to the preceding claim, characterised in that the actuating means (6) is a rotary knob that is rotatably mounted on the mast (1).
12. Stand laundry drier according to the preceding claim, characterised in that the rotary knob is a cap that is rotatably mounted at the upper end of the mast (1).
13. Stand laundry drier according to one of the three preceding claims, characterised in that the actuating means (6) can be held in the holding position with a return spring and transferred into the release position against the force of the return spring.
14. Stand laundry drier according to the preceding claim, characterised in that the actuating means (6) is designed in such a way that the sliding joint (10) can displace the actuating means (6) into the release position when it is moved to the open position, in which the retention edge of the sliding joint (10) can pass the actuating means (6), wherein the actuating means (6) is automatically returned to the holding position to engage behind the retention edge by the force of the return spring after passing the retention edge.

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