DE2609593A1 - FASTENING DEVICE FOR FROM THE OUTSIDE THROUGH OPENINGS IN CONTAINER INSERTED ELECTRIC HEATING RODS - Google Patents

Description

Licentia Patent-Verwaltungs-GmbH Frankfurt / Main

EBHZ-76/10 March 5, 1976

UlAt;

Fastening device for electric heating rods that can be inserted from the outside through openings in containers

The invention relates to a fastening device for from the outside through openings in the container of tumble dryers, Electric heating elements that can be used in washing machines or dishwashers.

Such a fastening device is known from DT-OS 2 205 487.

709837/0176

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The invention is based on the object of a fastening device to train this type so that they with a simple design manufacturing tolerances and expansions through Heat, differences in height in the heating rod supports of the container openings, differences in hot rod lengths and to a certain extent Can compensate for different heating rod diameters. Furthermore, the holder should vibrate and rub off the Prevent heating rods.

This object is achieved according to the invention in that on an inner wall of the container, on an intermediate carrier or on a reflector a meandering curved heating rod holder is attached with at least one extending in the axial direction of the heating rods insertion opening and this one the or the heating rod has a spring jamming in the inserted position between the container opening and the insertion opening.

According to an advantageous embodiment, the heating rod holder consists of a ΤΙ-shaped arch formed transversely to the axial direction of the heating rods running holding plate, the on the container inner wall, on the intermediate carrier or on the reflector adjacent holding sheet metal arches with the container, the intermediate carrier or reflector are connected and those raised from the inner wall of the container or the like. The insertion openings bordering arches wear resilient tabs, which are arranged downstream of the insertion opening in the direction of insertion and as spring tabs are formed opposite the heating rods.

With the invention, only the heating rod holder needs to be fastened, e.g. welded, in the container. The assembly

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the heating rod is done from the outside by inserting the heating rod through an opening in the container until the " the front end of the heating rod, the insertion opening of the heating rod holder and by a spring element, e.g. a spring clip formed on the heater rod holder in the area of the insertion opening, is jammed in the insertion position. The spring clip that holds the heating rod in the clamped position between the container opening and the insertion opening for the heating rod holder holds, allows the compensation of manufacturing tolerances in the container, an intermediate carrier or a reflector, the heating rod holder and the heating rod. Furthermore, the heating rod holder absorbs changes in thermal expansion and is ultimately used to hold heating rods of different lengths and, to a certain extent, to accommodate them suitable for heating rods of different diameters. Through the one between the container opening and the insertion opening of the heating element holder braced bracket prevents vibrations, rattling and abrasion of the heating elements, which is particularly important is important for washing machines whose tubs are exposed to imbalances during washing and spinning and are therefore supported freely swinging.

The invention is explained in more detail with reference to the drawing. It shows:

Fig. 1 is a longitudinal section through the Bo

the fastening device arranged for a container with a heating rod,

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Fig. 2 shows a cross section through a to

taking several heating rods designed heating rod holders,

FIG. 3 shows a plan view of FIG. 2.

The drawing shows a bottom 1 and a side wall 2 of a liquid container which is equipped with an electrical heating device Is provided. This heating device "consists of one or more electrical heating rods 3" which are over one or more container openings 4 from the outside into the Containers can be used. According to the embodiment is offset to the height of the container opening 4 and at a distance from Container side wall 2 attached to the bottom 1, a heating rod container 5. The heating rod holder 5 can consist of a meandering curved retaining plate to accommodate several heating rods Sheet metal sheets alternately rest on the base 1 and are fastened to this, for example by spot welding, or insertion openings 6 limit the free ends of the heating rods 3. For the vibration-free mounting of the heating element between the container opening 4 and the insertion opening 6 has the heating rod holder 5 in the area of the insertion opening 6, preferably on the downstream of the insertion opening in the insertion direction Side, one or more resilient tabs 7 on. With these spring clips 7, the heating rod can, with a corresponding incline between the container opening 4 and insertion opening 6, be supported with its free end against the bottom 1.

The fastening device enables the assembly or replacement of the heating rods from the outside of the container, too with closed containers. The spring deflection of the spring clip 7 'fits the heating element 5 to different heating elements Diameter or different length.

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Claims (3)

EBHZ-76/10 5.3.1976 Ul / kt CLAIMS 1. Fastening device for from the outside electric heating rods that can be inserted through openings in containers of tumble dryers, washing machines or dishwashers, thereby characterized in that on an inner wall of the container (1), on an intermediate carrier or on a reflector, a meandering shape Bent heating rod holder (5) with at least one insertion opening running in the axial direction of the heating rods (3) (6) is attached and this one or the heating rods in the inserted position between the container opening (4 ·) and the Has insertion opening jamming spring (7). 2. Fastening device according to claim 1, characterized in that the heating rod holder (5) consists of one In U-shaped arches formed, transversely to the axial direction of the heating rods (3) extending holding plate consists that the on the inside wall of the container (1), holding sheet metal sheets with the container, the intermediate carrier, resting on the intermediate carrier or the reflector Or reflector are connected, and that the lifted from the container inner wall or the like. The insertion opening (6) delimiting arches wear resilient tabs (7), which are arranged downstream of the insertion opening in the direction of insertion and act as spring clips are formed opposite the heating rods. 3. Fastening device according to claims 1 and 2, characterized in that the heating rod holder (5) and the container opening (4-) are offset and the heating rod (3) through the container opening edge, the spring clips (7) and a container wall (1) is supported. 709837/0176 originally inspected