DE2742207C3 - Device for fastening a lamp in a recess in a wall of ovens of kitchen stoves and the like - Google Patents

Description

The invention relates to a device for fastening a lamp in a recess of a Wall of ovens of kitchen stoves and the like, which lamp has a base part with a lamp socket and connection contacts and a recess having covering protective glass, wherein the device consists of a clamping frame adapted to the recess, the at least one holder for the Has lamp base part and can be locked in the recess by means of resilient retaining members which are provided on the clamping frame in such a way that they cannot be lost, wherein the protective glass is held in the clamping frame by means of the holding members

With such, from DE-AS 1159561 known device is the assembly of the furnace chamber of the device by one person is made possible simply pressed into the recess of the wall, so that the formed as a resilient holding member metallic sleeve relaxes completely or almost completely after temporary tension as soon as the correct mounting position has been reached

The protective glass can then be inserted into the case mouth with frictional engagement.

In addition to the not particularly secure mounting of the protective glass, this device has the disadvantage that it is difficult to dismantle.

Based on this, the invention is based on the object based on creating a device of the type described above that is easy to attach and detach and yet all individual parts are securely fixed in the assembly position

To solve this problem, the invention proposes that spring bars are provided as Halteglicder, the are fixed with their free ends on the clamping frame that their between the respective ends located area is arranged within the area enclosed by the clamping frame; that can be used on the protective glass in the clamping frame, behind the Spring rods latchable locking lugs are formed; that the spring bars have at least one end of bends have that bent over from the frame plane by about 90 "in the direction of insertion, behind the edge of the Recess can be locked.

The clamping frame is thus determined by the bends that after insertion into the Spread open the recess behind the recess edges while releasing their spring force.

The protective glass is well fixed thanks to the cooperation of Fedefstaberi und Räslnäsch.

The clamping force of the connection between the clamping frame and the wall is higher than that of the connection between the spring rod and protective glass.

The protective glass used also increases the clamping force of the connection between the clamping frame and wall, since the spring bars are stiffened. The entire unit can also be dismantled,

by manually releasing the latching of the locking lugs on the edge of the recess after removing the protective glass will.

A preferred embodiment of the invention is seen in the fact that four spring rods are used as a Haltegüeder are arranged, which are combined in pairs to form a unit, at diametrically opposite one another Clamping frame parts can be fastened.

The pre-assembly and manufacture of the device is thus facilitated and the clamping force of the Device improved because the spring bars of a pair interact with one another.

A particularly advantageous embodiment of the invention in terms of production technology is seen in the fact that the units consisting of two spring bars each one towards the area enclosed by the clamping frame Form an open, isosceles triangle, the tip of the triangle being formed by a spring rod from the Frame plane is formed by about 90 ° in the direction of insertion, which is also in a rectified, frame-own, with push-through opening for the eyelet provided, approximately at right angles in the direction of insertion bent tabs so used is that in the end position the eyelet is parallel to the tab and the spring bars are aligned in the plane of the frame.

The unit formed from the spring bars is inserted into the through-opening with the eyelet first As soon as the eyelet is pushed through, the unit can be turned around Be swiveled 90 ° into the frame plane.

Then the free ends of the spring bars are fixed to the frame and the device is functional.

To allow the device to be plugged in favor, it can be provided that the bends at the free ends of the spring bars under formation are bent from insert runners.

The manipulation of the device within the baking chamber of stoves and the like is difficult because the actual installation site, which is usually located in the rear of the unit * is o not be seen during mounting, but can only be palpated.

The construction mentioned above brings considerable benefits here Advantages.

A special embodiment of this feature characterizes - * 5 characterized by the fact that the bends by more than 90 ", preferably by more than 120 °, compared to the Spring bars are bent.

The turn by about 120 ° has proven to be particularly easy to handle. so

The simplified assembly, as well as to achieve a secure KlemmsitLes, it is useful if the Bends in relation to the longitudinal course of the spring bars are twisted so that they run approximately radially to the recess.

Then their function as plug-in runners and the resilient bend excellent.

In order to be able to fix the free ends of the spring bars with simple means, it can be provided that to fix the ends of the spring bars provided with the bends * o on the clamping frame, the clamping frame's own tabs from the frame are laterally protected by about 90 ° in the insertion direction s'ind bent, the slots are closed towards the corresponding fixed point de ^r eyelet of the hall elements.

Fastening is now done by as above described the eyelet inserted into the push-through opening, the spring unit pivoted into the frame plane and then the spring bars are pushed in, guided in front of the slots and released.

When the spring is relaxed, the ends of the spring rod slide automatically into the slots and the Spring unit is properly fixed. In the end position, the spring should preferably not be completely relaxed.

To further facilitate assembly it can be provided that guide surfaces are formed on the clamping frame are.

In terms of production technology, it is advantageous if a tab provided with a push-through opening for an eyelet is attached Base part holder is formed.

An embodiment of the invention is shown in the drawing and described in more detail below. It shows

F i g. 1 shows a fastening device in the installed state, seen from the side;

F i g. 2 likewise in section II-II of FIG. 1;

F i g. 3 a detail of fig . \ in an enlarged view;

4 shows a clamping frame as a stamped part in plan view;

F i g. 5 shows a holding member in side view;

F i g. 6 also seen from above.

The device for fastening a lamp in the recess of a wall 1 of an oven of kitchen stoves consists essentially of a clamping frame 2 with resilient retaining elements 3, a holder 2 ' for the base part of the lamp, and a protective glass 4.

As Haltegüeder 3 spring bars 3 'are provided, which, combined in pairs to form a unit, on diametrically opposite sides of the clamping frame 2 are attached.

Each unit forms an - in the installed state - open to the area surrounded by the clamping frame 2, isosceles triangle, the tip of which is an eyelet 3 * is bent out of the frame plane by about 90 ° in the direction of insertion.

. ^Λ η the free ends, the spring bars 3 ^{a run out} with the formation of plug-in runners 3 ^{C in bends 3 d} bent by about 120 ° with respect to the spring bars, the outermost ends of which are rounded.

The bends 3 ^d are rotated relative to the longitudinal course of the spring bars 3 ″, so that they run approximately radially to the edge of the recess in the wall 1.

For fixing the Haltegüeder 3 on the clamping frame 2 the latter has a truncated lobes 2 * on which is bent after punching (F i g. 4) by 90 °, and a through-opening is 2 ^C, through the 3 * are passed the eyelet can.

Furthermore, for each holding member 3, two tabs 2 ^d are cut and bent, which have lateral slots 2 ^e .

The spring rod ends provided with bends 3 ^d are inserted into these slots 2 ' and are thus fixed.

^{In addition, guide surfaces 2 f} distributed evenly over the circumference of the clamping frame 2 are cut and ^{bent by about 90 a} , the ends of the guide surfaces 2 'being slightly beveled to facilitate insertion into the recess.

A preferred bending of the bends 3 ^d takes place by first bending eii, c by about 15 ° from the plane in the insertion direction, which is followed by a bend in the same direction by 105 ° before the end is rounded.

This curve profile is particularly advantageous for the assembly or disassembly of the device. Starting from the stamped part according to FIG. 4 the necessary bending of the parts 2 ^b , 2 ^d , 2 ' and 2' is carried out, whereby the holder 2 »in the end position extends about 45 ° to the frame plane.

Then, the holding members 3 are pushed * in the corresponding insertion openings 2 ^C with the eyelets 3 and pivoted to the position shown in Fig. I position, so that then the ends of the spring rods 3 2 ^C can be inserted * into the slots. On the thus completed clamping frame 2, the protective glass 4 is locked with its own locking lugs 4 ″ - in the drawing a circumferential locking edge.

The locking lugs 4 'form a double conical surface that supports the locking and unlocking facilitating, as in Fig. 3 clearly visible. Now this assembly unit, which is also not shown Lamp base with air conditioning and incandescent lamp includes, are used in the correspondingly shaped recess of the wall I.

Here also the Einsteckkufen initially take the lead faces 2 'then 3 ^C leadership. The bends 3 ^rf are pressed inwardly against the spring force by the edge of the recess of the wall I, whereby they are moved in the slots 2 ^C to the Schlitzöff voltage.

The slots 2 ^P must therefore be longer than the necessary displacement path.

As soon as the edge of the recess of the wall I

has exceeded the extreme point of the bend 3 ^rf , the bend 3 ^d engages behind the edge, with the holding member 3 preferably partially or completely relaxed.

The luminaire is seated without play or almost completely free of play firmly in the recess.

The clamping force achieved by the bends 3 ^rf

is greater than that between the protective glass 4 unc

π force acting on the spring bars 3 *, let it be that the glass 4 can be removed without the clamping frame 2 coming loose from its anchoring.

The circular shape of the device shown in the drawing is chosen wiiiküriich.
It can also have a different shape / .. as oval - be used.

In this case, too, two parts, namely protective glass 4 and clamping frame 2, are made with the same holding member 3 excellently attached.

For this purpose 2 sheets of drawings

Claims (9)

Patent claims: 1. Device for fastening a lamp in a recess of a wall of ovens of kitchen stoves and dergL, which lamp has a base part with a lamp socket and connection contacts and a protective glass covering the recess, the device consisting of a clamping frame adapted to the recess, the at least one having a holder for the '° lamp base part and, in the recess can be latched by means of resilient retaining members which are provided captively on the clamping frame, wherein the protective glass is held by means of holding members in the clamping frame, ^iS DA by in that the holding members (3) spring bars (3 ^J) are provided which are with their free ends on the clamping frame (2) is set so that the region located between the respective ends is disposed within the men from Klemmrah- ^M (2) enclosed Avenge that the protective glass (4) latching lug that can be inserted into the clamping frame (2) and latched behind the spring bars (3 ') n (4 *) are molded; that the spring rods (3 *) at least at one end bends (3 ^d) up point ^H which is approximately bent in the insertion direction of the frame plane by 90 °, can be latched behind the edge of the recess. 2. Apparatus according to claim 1, characterized in that four spring bars ^Μ (3 *) are arranged as holding members (3), which are combined in pairs to form a unit, on diametrically opposite Klcmmrahmetitteile ^ efestigbar. 3. Device according to Knr claim 2, characterized in that the zwt from. Spring bars (3 *) ^3S existing units each form an isosceles triangle that is open towards the area enclosed by the clamping frame (2), the tip of the triangle being formed by a spring bar's own eyelet (3 *) bent from the frame plane by about 90 ° in the direction of insertion is that also rectified in a, frame own is fitted with push-through opening (2 ^C) for the eyelet (3 *) is provided, such as bent at right angles in the insertion flap (2 *) so that in the end position, the ^4S eyelet (3 *) parallel to the tab (2 ^b ) and the spring bars (3 ') are aligned in the plane of the frame. 4. Apparatus according to claim I, characterized in that the bends (3 ^rf ) are at the free ends of the spring bars (3 ') with the formation of ^w insertion runners (3 ^C ). 5. Apparatus according to claim 4, characterized in that the bends (3 ^rf ) are bent by more than 90 °, preferably by more than 120 °, relative to the spring bars (3 *). 6. Device according to one or more of the preceding claims, characterized in that the bends (3 ^rf ) relative to the longitudinal course of the spring bars (3 ') are rotated so that they run approximately radially to the recess. ^M. 7. Device according to one of the preceding claims, characterized in that to define the ^{ends of the spring bars (3 ») provided with the bends (3 d} ) on the clamping frame (2) laterally slotted, clamping frame's own tabs (2 ^d ) from the frame plane by approximately 90 ° are bent in Fünsteckrichtung, the slots (2 <") to the corresponding fixed point of the eyelet (3 *) of the Holding members (3) are closed. 8. Apparatus according to claim 1, characterized in that the clamping frame (2) guide surfaces (2 ') are integrally formed. 9. The device according to claim 1, characterized in that ^{a base part holder (2 *) is integrally formed on one with a through opening (2 C} ) for an eyelet (3 *) provided flap (2 *)