The invention is based on a device with a holding unit
according to the preamble of claim 1.
are household appliances,
in particular cooking appliance doors with
a holding unit which is provided for holding an inner pane of a cooking appliance door,
known. In this case, the holding unit for holding the inner pane
on a support element
provided, in addition to the inner pane and an outer pane
Invention is in particular the object of a generic device
with potential in terms of cost savings and weight savings
The object is achieved by the
Characteristics of claim 1 solved while advantageous embodiments
and further developments of the invention can be taken from the subclaims.
The invention is based on a device with a holding unit
Inner pane of a device door.
It is suggested that the holding unit for holding the inner pane
on an outer pane
provided the appliance door
is. On additional
the one power flow from the inner pane and from the outer pane
summarized and transferred to a device body,
can be advantageously dispensed with. It can be a beneficial little one
Loading the holding unit can be achieved, and compared to
in which the holding unit further functions of a support element
Potentials in terms of cost savings and weight savings
Under "provided" should in this context
also be designed and equipped understood. The holding unit
should as for holding the inner pane on the outer pane
provided that the holder is suitable for a weight force
the inner pane and typical, in operation on a generic inner pane
on the outer pane
so that a force flow between the inner pane and a cooking appliance body at least
essentially through the outer pane
In this case, a force flow between an operator can also be particularly advantageous
and the cooking appliance body at least
essentially through the outer pane
run. The device
can be used as oven with or without microwave function, as microwave oven
or as a further, the expert appears useful as domestic appliance
particularly lightweight and cost-effective holding unit
can be achieved if the holding unit at least in a partial area
made of a plastic.
the holding unit at least one fastening means for releasable attachment
the inner pane on the outer pane,
can for repair and / or cleaning purposes, especially in the case
Appliance door, one
Appliance door with a
comfortably removable inner pane can be achieved.
particularly convenient installation of the inner pane can be achieved
if the fastening means is designed as a latching connection.
the fastening means at least a first element provided for this purpose
is, in one at least substantially parallel to the outer pane
the cooking appliance door running
Direction inserted into a second element of the fastening device
to become, can also be an advantageously comfortable and tool-free
Assembly of the inner pane can be achieved, with the direction especially
advantageous with mounted and closed door vertically from top to bottom
so that the fastening device can be provided to the
Inner pane with the holding unit and the first element in the
to mount the second element,
that on the outer pane
can be fastened or in one piece
with the outer pane
can. A particularly cost-effective
Attachment can be achieved when the second element with the
Savings of components and a stable fastener can be achieved
when at least a part of the fastener to the holder
a handle of the Gar device door provided
is. In this case, the part particularly advantageous the outer pane
Cost savings and restriction
a variety of components can
can be advantageously achieved if at least a part of the fastening means
is provided for supporting a hinge unit of the cooking appliance door on the outer pane.
the holding unit for sealing a gap between the
Inner pane and the outer pane
provided, a dirt deposit in the space may be advantageous
Advantages are shown in the following description of the drawing.
In the drawing is an embodiment
represented the invention. The drawing, the description and the
numerous features in combination. The skilled person will become the characteristics
individually consider and summarize to meaningful further combinations.
1 a cooking appliance door with a self-supporting outer pane and with a holding unit for holding an inner pane and an intermediate pane in an installed state and in a vertical section,
2 the holding unit off 1 with an encapsulated inner pane in an oblique view,
3 a fastening means of the cooking appliance door 1 with a handle,
4 a vertical section of an alternative cooking appliance door,
5 - 9 Holding units of other alternative cooking appliance doors in a frontal view,
10 - 14 Profiles of other alternative cooking appliance doors,
15 the cooking appliance door off 1 in a horizontal section,
16 a horizontal section of another alternative Gargerätetür and held under a bias washer,
17 a detail of a vertical section of a holding unit with an inner pane and an outer pane of another alternative cooking appliance door,
18 , an intermediate disk designed as a multiple disk of another alternative cooking appliance door,
19 a hinge unit for a cooking appliance door and cutouts of an outer pane of the cooking appliance door and a cooking appliance,
20 a horizontal section of the hinge unit 18 in a state with separate subunits and
21 a vertical section of a first subunit 19 and a section of an outer pane.
1 shows a cooking appliance door 10a with a holding unit 12a for holding a disk, in particular as an inner pane 11a , trained component and holding one as a washer 16a trained slice of cooking appliance door 10a , The square-shaped inner pane 11a is on a border 13a on all four sides of a material of the holding unit 12a overmoulded so that the holding unit 12a the inner pane 11a completely surrounds. This is the inner pane 11a at its edge 13a about 1 cm wide on both sides of the material of the holding unit 12a encompassed. However, embodiments of the invention are also conceivable in which the inner pane 11a on two or three sides or on smaller areas of the edge 13a is overmoulded. The material consists of a temperature-resistant, designed as a thermoplastic with semi-crystalline structure plastic, a Polybutylenterephtalat (PBT) with 30-35% glass fibers. The glass fibers are by the injection process substantially in the circumferential direction around the inner pane 11a their concentration is to reduce shrinkage and thermal expansion during operation of the cooking appliance door 10a comprehensive cooking appliance chosen so that the temperature expansion or shrinkage does not lead to cracking of the plastic or to a jumping of the inner pane 11a to lead. The ratio of longitudinal shrinkage and transverse shrinkage is about 1: 2.5, preferably the transverse shrinkage is 1% and the longitudinal shrinkage is 0.4%.
The holding unit 12a is for holding the inner pane 11a and the washer 16a on one, as a self-supporting outer pane 14a trained outer wall of the cooking appliance door 10a provided, wherein the outer pane 14a a power flow between a handle 21a and a cooking appliance body 25a completely transmits and a weight of the inner pane 11a , the intermediate disc 16a and the holding unit 12a wearing. The profile of the holding unit 12a is essentially U-shaped and oriented so that it faces the outer pane 14a opens. As a result, the holding unit forms 12a with the outer pane 14a in a mounted state, a circumferential cavity 15a , which is a heat transport from a gap 23a between the outer pane 14a and the inner pane 11a in a direction that lies in a door plane, damming. The holding unit 12a lies in the assembled state circumferentially close to the outer pane 14a and is thereby to seal the gap 23a intended.
The cooking appliance door 10a is intended to complete a cooking chamber of a cooking appliance, not shown, in such a way that a arranged at an opening of the cooking chamber rubber seal at one on the inner pane 11a lying contour 47a within the overmoulded rim 13a the inner pane 11a to lie so that the made of plastic portion of the holding unit 12a with the cooking appliance door closed 10a does not come into direct contact with hot vapors.
The holding unit 12a includes two fasteners 17a . 17a ' for releasably securing the inner pane 11a , the intermediate disc 16a and the holding unit 12a even on the outer pane 14a , A first fastener 17a is designed as a latching connection and for fastening the holding unit 12a at an upper edge of the cooking appliance door 10a intended. The second attachment 17a ' is to hook the holding unit 12a in an area of a lower edge of the cooking appliance door 10a intended. Both fasteners 17a . 17a ' comprise two, each on a right and on the left side of the cooking appliance door 10a arranged, functionally identical devices, of which only one will be described here.
The second attachment 17a ' includes a first element 18a ' that as to the outer pane 14a glued steel sheet tab is formed, which in a direction from the outer pane 14a protrudes in a mounted and closed state of the cooking appliance door 10a in the direction of the cooking appliance body 25a and sticks down. The steel sheet tab is attached to a subunit 27a a hinge unit 22a molded, in turn, for holding the hinge unit 22a on the outer pane 14a is provided ( 18 - 20 ). A second element 19a ' of the second attachment means 17a ' is as a rectangular slot in the plastic part of the holding unit 12a formed at a lower edge ( 2 ).
The second, designed as a latching connection fastening means 17a includes a steel sheet clamp 35a , as a screw 20a formed part with which the steel sheet clamp 35a is held and a head-shaped shape 46a on the plastic part of the holding unit 12a , The screw 20a passes through the outer pane through a hole 14a , engages in a thread of a handle 21a and exerts a tensile force by spacer elements 36a . 36a ' is supported. The screw 20a of the fastener 17a is thus at the same time for holding the handle 21a the cooking appliance door 10a on the outer pane 14a intended ( 3 ).
When mounting the cooking appliance door 10a In a first step, the second fastening means 17a ' closed by the first, designed as a steel sheet tab element 18a ' on both sides in the second, designed as a slot element 19a ' in a parallel to the outer pane 14a the cooking appliance door 10a extending direction is inserted. In a second step, the at the bottom by the fastener 17a ' pivotally held holding unit 12a in one to the outer pane 14a pivoted parallel direction. Initially, the head-shaped shape touched 46a the steel sheet clamp 35a , then bends them and is finally encompassed by this, if designed as a latching fasteners 17a locks.
The holding unit 12a has at the bottom right and left respectively a recess 24a . 24a ' in the form of a rectangular tube through which a subunit 28a the hinge unit 22a for holding the hinge unit 22a on the outer pane 14a to the subunit 27a is pushed through and into the subunit 27a can be locked. The recess 24a thereby enables a force penetration between the cooking appliance body 25a over the hinge unit 22a on the cooking appliance door 10a ,
In the 4 to 14 and 16 to 18 alternate embodiments of the invention are shown. Essentially functionally identical features are numbered with the same reference numerals, with the letters a-m being added to differentiate the exemplary embodiments. The description is limited to differences to that in the 1 to 3 illustrated embodiment. With regard to features remaining the same, reference is made to the description of the exemplary embodiment in FIGS 1 to 3 . 15 and 19 to 20 directed.
This in 4 illustrated, alternative embodiment has both at the top and at the bottom of the cooking appliance door 10b fastener 17b . 17b ' on, each one designed as a steel sheet tab element 18b . 18b ' comprising, in the direction of a Gargerätekörpers upward from an outer pane 14b protrudes and substantially parallel to the outer pane 14b runs. A plastic part of a holding unit 12b the cooking appliance door 10b has corresponding, designed as plastic bottles elements 19b . 19b ' on, which when mounted from above parallel to the outer pane 14b in a space between the elements 18b . 18b ' and the outer pane 14b be pushed in, so that the holding unit 12b with an encapsulated inner pane 11b in the outer pane 14b the cooking appliance door 10b is hung.
The 5 - 9 show several possible forms of a recess in the plastic part of holding units 12c - 12g , The shape of the holding unit 12c is the shape of the holding unit with respect to a maximum viewing area 12b is with respect to a maximum width of the see-through surface and the shape of the holding unit 12f is in terms of a maximum Height of the viewing area optimized. There must always be room for recesses 24c - 24f be left for a force penetration between cooking appliance door and cooking appliance body. With an increase of proportions of the inspection surfaces to total areas of the holding units 12c - 12f takes the stability of the holding units 12c - 12f at otherwise constant thicknesses. The in the 7 and 9 shown holding units 12e and 12g provide optimized retention units for a criterion composed of stability and size 12e . 12g wherein the holding unit 12e includes a low-cost, rectangular inner pane.
The 10 - 14 show several possible profile shapes of holding units 12h - 12l , The holding unit 12h forms a U-profile, which together with an outer pane 14h a cavity 15h which is what the less costly holding unit 12i not the case. The holding unit 12j has additional bars 37j . 37j ' to stabilize the profile. The holding units 12k . 12l in the 13 and 14 close flush with the inner panes 11k . 11l from. To loosen the inner panes 11k . 11l from the respective holding unit 12k . 12l impossible to make, the inner discs have a ground edge 13k 13l on, and the inner pane 11k a step-shaped edge 13k and the inner pane 11l an obliquely ground edge 13k , in each case such that in a direction of an outer pane 14k . 14l facing sides of the inner panes 11k , 11l have a larger circumference than the opposite sides.
15 shows that as a washer 16a trained slice or cooking plate of the cooking appliance door 10a from the 1 to 3 in the holding unit 12a is held under a bias voltage or under a bending stress. The holding unit 12a includes on both sides each one over the entire height of the washer 16a extending support bar 38a . 38a ' and at the top and bottom of each a sawtooth locking lug 39a with a flatter, in the assembled state of the outer pane 14a facing side and with a steeper, parallel to the inner pane 11a extending, the inner pane 11a facing side, which is about 0.5 cm closer to the inner pane 11a has as the inner pane 11a opposite side of the support webs 38a . 38a ' , The catch 39a is at one in the direction of the gap 23a facing side of the U-profile of the holding unit 12a formed. In one of the outer pane 14a dissolved state of the holding unit 12a becomes the washer 16a for its attachment from one of the inner pane 11a pushed away side into the see-through surface, first touches the inner pane 11a opposite side of the locking lugs 39a , Applying to this one pressure, a deformation of the U-profile of the holding unit 12a causes and then touches with two lateral edge areas the support webs 38a . 38a ' , Is an installation force on the washer 16a further increased, the disc bends through, until finally in a central area with its the inner pane 11a side facing away from the distance of the inner pane 11a facing side of the locking lugs 39a reached and the locking lugs 39a the washer 16a grip around and engage at the top and bottom. Now, if the installation force is removed, practice the locking lugs 39a in the area of an upper and lower edge in the middle of one of the installation force substantially equal force F R on the washer 16a , The force F R is in each case half of counter forces F A , F A ', with which the washer 16a on the support bars 38 supported, compensated.
While the outer pane 14a and the inner pane 11a are made of glass, is the washer 16a made of a less heat-resistant, less scratch-resistant, less expensive transparent plastic.
The in the 16 and 17 illustrated holding unit 12m Another alternative cooking appliance door is for inserting a washer 16m provided from one side. This is the washer 16m under an inner pane 11m facing side one on an upper side of the holding unit 12m arranged latch 39m pushed and at the bottom of the holding unit 12m in a groove 40m ( 17 ) of the holding unit 12m inserted. At the same time, the upper corner of the intermediate disc, which is in the direction of insertion, slides 16m on a guide surface 26m in a landing stage 38m ' passes. Reaching the front edge of the washer 16m a push of the support bar 38m ' , engages the rear edge of the washer 16m in a second support bar 38m one.
In the 18 shown disc is as a triple disc with three washers 16n . 16n ' . 16n '' formed for thermal insulation and extruded from transparent plastic and is intended to be held under a shear stress generated by two forces F 1 and F 2 in slots on two opposite lateral edges of the disc.
The hinge unit 22a has a spring 31a on, on a pivotally mounted lever 41a attack and turn it upwards in one direction 43a the cooking appliance door 10a draws. This lever is used when mounting a second subunit 28a on the cooking appliance body 25a in a recess 42a on the cooking appliance body 25a inserted and locked by one of the spring 31a generated cogging force 32a in the cooking appliance body 25a a, whereby the hinge a Ness 22a or the second subunit 28a the same for attaching to the Gar device body 25a is provided. In the assembled state of the cooking appliance door 10a supports the spring 31a a closing movement of the cooking appliance door 10a ,
The hinge unit 22a consists of a first, formed of sheet steel subunit 27a which is essentially in the form of an open box and which is to be glued to the outer pane 14a the cooking appliance door 10a is provided, and from a second subunit 28a that the lever 41a and the spring 31a includes. Lateral, in the bonded state of the outer pane 14a continuing open edges of the first subunit are hook-shaped and form latching elements 29a . 29a ' , which are intended to be formed in edges as locking elements 30a . 30a ' the second subunit 28a lock ( 20 ).
The first subunit 27a has two contact surfaces 33a . 33a ' on, a slipping of the second subunit 28a relative to the first subunit 27a in a vertical, to a raster direction 34a prevent vertical direction. One at the first contact surface 33a molded spring element 44a pushes in the assembled state, the second subunit 28a down in the vertical direction and presses the second subunit 28a to the second contact surface 33a ' on, whereby a backlash-free attachment is guaranteed.
The element 18a ' for fixing the holding unit 12a is at the second contact surface 33a ' formed.
When mounting the entire cooking appliance door 10a first becomes the subunit 27a with the outer pane 14a glued, the handle 21a and the steel sheet clamp with the spacer elements 36a . 36a ' on the outer pane 14a screwed down and then the holding unit 12a with the fasteners 17a . 17a ' on the outer pane 14a held, with the recesses 24a . 24a ' via the subunit 27a be put over. Subsequently, the subunit 28a with the lever 41a in the recess 42a on the cooking appliance body 25a engaged. In a latching movement, the cooking appliance door 10a in the direction of rest 34a ( 20 ) to the subunit 28a guided, wherein the locking elements 29a . 29a ' on the as guide surfaces 45a . 45a ' formed side surfaces of the second subunit 28a are guided in the latching movement until the locking elements 29a . 29a ' the first subunit 27a finally to the corresponding locking elements 30a . 30a ' the second subunit 28a engage.
- cooking appliance
- inner pane
- holding unit
- outer pane
- hinge unit
- guide surface
- locking element
- locking element
- latching force
- contact surface
- Rest direction
- Sheet steel clip
- Spacer element
- support web
- locking lug
- spring element
- guide surface
- F R
- F A
- F 1
- F 2