Domestic appliance and pull-out guide for a domestic appliance

Abstract

The invention relates to a pull-out guide for a domestic appliance with microwave cooking function, having a cabinet rail (1) and at least one metal running rail (2) movable relative thereto, to support a carrier, wherein at least one support element for the carrier is secured to the running rail (2) and is made, at least in part, of an electrically insulating material. In a front region of the running rail (2), as seen in the pull-out direction, a stopper (3) is arranged, which has a support portion (33), as support element for the carrier, oriented parallel to the pull-out direction and protruding upwardly above the running rail (2).

Description

[0001] The invention relates to a drawer slide for a household appliance with a microwave cooking function, comprising a cabinet rail and at least one movable metallic guide rail for supporting a support, wherein at least one support element is arranged on the guide rail, which is at least partially made of an electrically insulating material, and wherein a stop element is mounted on the guide rail in a rear area viewed in the extension direction, the stop element having an upward-projecting stop for the support. The invention further relates to a household appliance with a microwave cooking function having such a drawer slide.

[0002] Various types of household appliances now incorporate pull-out runners, onto which removable trays can be placed. These trays can then be easily inserted into or pulled out of the appliance and removed more easily. Such a pull-out runner for household appliances like ovens or microwave ovens is known, for example, from German patent application DE 10 2005 028 674 A1. In cooking appliances, these trays are, for example, food carriers such as baking trays or racks. In other household appliances, such as food warmers or refrigerators, the trays can also be baskets, shelves, or other food containers.

[0003] Typically, both the guide rails and the supports of the drawer slides are made of a metallic material. The metal-on-metal contact is electrically conductive and also a good thermal conductor, which can be problematic in cooking appliances, especially microwave ovens. Electrical contact between the drawer slide and the typically conductive front glass of a microwave oven is also undesirable due to the potential for sparking. Furthermore, the combination of a metallic support on a metallic guide rail leads to increased noise, for example, when placing food on the slide, or from vibrations that may originate from drive motors, fans, or similar components.

[0004] To prevent electrical contact, it is known in microwave ovens to coat the cooking trays and / or the guide rails of the pull-out drawer with an electrically insulating coating, for example, a ceramic coating. However, such a coating is susceptible to scratches and does not reduce noise.

[0005] German patent application DE 102 11 470 A1 discloses a drawer slide for a cooking appliance that is at least partially coated with PTFE (polytetrafluoroethylene). The coating makes the drawer slide easier to clean and also improves the smooth operation of the drawer system, as it also dampens noise.

[0006] German patent application DE 10 2017 202 746 A1 describes a drawer slide for a cooking appliance in which the contact area between a running rail and a support is reduced by a support element. For this purpose, a narrow, strip-shaped support element is arranged essentially continuously along the running rail, thus positioning it between the running rail and the support. The support element can be made of plastic, resulting in good sliding properties and noise reduction. The use of plastic as a material also provides an insulating effect. The support element can, for example, be inserted into a groove-shaped recess formed in the longitudinal direction of the running rail. German patent application EP 2 690 367 A1 discloses a drawer slide for household appliances, including ovens and microwave ovens, in which a support element is integrally formed on a plug that is placed on the front end of a running rail.The publication DE 202 2005 020 025 U1 also shows a plug for a running rail which is provided with an additional function, specifically the function as an insertion limiter.

[0007] It is an object of the present invention to create a pull-out guide for a household appliance with microwave cooking function and a household appliance equipped therewith, in which electrical insulation between the running rail and the support can be achieved easily and permanently.

[0008] This problem is solved by a drawer slide or a household appliance with a microwave cooking function, possessing the features of the respective independent claim. Advantageous embodiments and further developments are the subject of the dependent claims.

[0009] A drawer slide of the type mentioned above is characterized by the fact that a plug is arranged in a front area of ​​the guide rail when viewed in the direction of extension, which has a support section aligned parallel to the direction of extension and projecting upwards above the guide rail as a support element for the carrier.

[0010] A plug that is inserted into the guide rail from the front, e.g., pushed in, is frequently used to close off the guide rail at the front, thus preventing the risk of injury and providing a front stop for the support. According to the invention, the plug is now provided with a support section that is aligned parallel to the extension direction and projects upwards above the guide rail, forming the support element for the support.

[0011] Assuming that a plug is generally already present, this method achieves electrical and, optionally, thermal insulation between the support and the metallic guide rail, at least in the front area of ​​the guide rail, without an additional element. It is noted that, for the purposes of the application, a plug is an element that can be inserted into the guide rail from the front or slid onto the guide rail from the front.

[0012] The section of the plug that serves as a support element is made of an insulating material that is electrically insulating and, if necessary, also thermally insulating and / or shock-absorbing. The plug can also be made entirely of the insulating material. The support section of the plug may, for example, have longitudinal ribs on which the support can rest. Among others, the following electrically insulating materials can be used: ceramics, high-temperature-resistant thermoplastic polymers, in particular from the polyetherketone family (e.g., polyetheretherketone - PEEK), and / or elastomers, in particular from the polysiloxane or thermoset families.

[0013] In an advantageous embodiment of the drawer slide, the plug also features a contact plate for the support that projects forward and upward beyond the guide rail. This allows the plug to serve as a front stop for the support. Additionally, an upward-projecting guide pin for the support can be arranged in the area of ​​the plug's bearing section. If the guide pin engages in a corresponding recess or depression in the support, it also secures the support laterally and / or in the extension direction.

[0014] The support rests on the bearing section of the plug at the front and on the further bearing section of the stop element at the rear. If the bearing section of the plug and the further bearing section are of the same thickness, the support is aligned parallel to the guide rail. Alternatively, the two bearing sections can be designed with defined and, if necessary, significantly different thicknesses. In this case, even with a flat orientation of the support, an inclination of the drawer slide can be provided, which, for example, prevents or facilitates the drawer slide's automatic extension / retraction without tilting the support. Preferably, the stop element as a whole, or at least the further bearing section, is made of an insulating material, so that the support is then completely electrically insulated from the guide rail.

[0015] According to the invention, the stop is formed by a protrusion with which the stop element rests on a stop bolt located on the guide rail. Such stop bolts are frequently found as standard equipment on guide rails and can then be advantageously used as a fastening point for the stop element. A damping cap made of a material softer than that of the protrusion can also be placed on top of it. This results in a noise-dampened stop and a soft landing of the support.

[0016] In a further advantageous embodiment, the drawer guide has at least one additional support element mounted on the running rail, which has a further support section for the support beam that is aligned parallel to the extension direction and projects upwards beyond the running rail. This additional support element can have a C-shaped base body, allowing it to be easily clipped onto the running rail for installation. In this way, an additional support point for the support beam (besides the plug) can also be provided by the support element, which does not constitute a rear stop for the support beam, but rather supports the beam, for example, in a central area of ​​the running rail. Like the support section of the plug, the additional support sections can also be provided with longitudinal ribs, or an upwardly projecting guide pin for the support beam can be arranged in the area of ​​the support sections.

[0017] A household appliance according to the invention with a microwave cooking function is characterized by the fact that it has at least one such extension guide.

[0018] The advantages mentioned in connection with the withdrawal process result.

[0019] The invention is explained in more detail below with reference to exemplary embodiments and the accompanying figures. The figures show: Fig. 1a an isometric view of a drawer slide with support elements; Fig. 1b the drawer slide of the Fig. 1a with disassembled support elements; Fig. 1 shows a representation of the extension guide of the Figures 1a, b with a baking tray placed on top; Fig. 2a an isometric view of a pull-out guide according to the invention in a first embodiment with removed support elements and a section of a baking tray to be placed on top; Fig. 2b Pull-out guides according to Figure 2a with baking tray placed on top; Fig. 2c a detailed view from Figure 2b; Fig. 3a, leg of the inventive extension guide in a second embodiment with the support elements removed ( Fig. 3a ) and assembled with a baking tray placed on top ( Fig. 3b ); Fig. 4a, leg of the inventive extension guide in a third embodiment with the support elements removed ( Fig. 4a ) and assembled with a baking tray placed on top ( Fig. 4b ); Fig. 4c two isometric detail views of a support element of the extension guide of the Fig. 4a , b; Fig. 5a various isometric views of an additional support element for a drawer slide; Fig. 5b sequence of sectional drawings showing the placement of the additional support element according to Fig. 5a to a drawer slide; Fig. 6a a sectional view of a drawer slide with another example of an additional support element and a baking tray resting on it; Fig. 6b two different isometric views of the additional support element according to Fig. 6a ; and Fig. 6, a sequence of two isometric representations each, showing the placement of the additional support element according to the Fig. 6a, b point to a section of an extract guide.

[0020] In all figures, identical reference symbols denote identical or similarly functioning elements. For clarity, not all elements in every figure are labeled with reference symbols. When relative terms such as "left" or "right" are used in the description, they refer to the figures described. Only the terms "front," "back," "top," and "bottom" refer to the natural orientation of the drawer slide during operation, where a support rests on top of the drawer slide and where the front end of the drawer slide points toward a user standing in front of the appliance in which the drawer slide is used.

[0021] In the Figures 1a-1cis shown an example of a pull-out guide that is not in accordance with the invention.

[0022] The drawer guide has a fixed cabinet rail 1, which can be fixed in or on a household appliance using mounting elements, for example, mounting clips 11. The drawer guide 1 is designed for a cooking appliance with a food carrier, e.g., a baking tray 6 (see figure). Figure 1c ), suitable. The mounting brackets 11 can in this case be attached to a side rack, which is typically located in the cooking chamber of the cooking appliance.

[0023] The drawer slide comprises a running rail 2, which is mounted to move relative to the cabinet rail 1. In the example shown, the cabinet rail 1, the running rail 2, and the mounting brackets 11 are all made of metal, e.g., from appropriately stamped and bent sheet metal.

[0024] Between cabinet rail 1 and running rail 2 is an arrangement of rolling elements (not visible here) that allows running rail 2 to move smoothly relative to cabinet rail 1. Additional components, such as further running rails or center rails, can also be arranged between cabinet rail 1 and running rail 2 to allow for extension of the drawer.

[0025] In Figure 1a The drawer slide is shown in an assembled state with a plug 3 and a stop element 4. Figure 1b The plug 3 and the stop element 4 are shown separately from the extension guide. Figure 1c Finally, the pull-out guide shows 6 in the assembled state with the baking tray placed on top.

[0026] The plug 3 is secured at a front end of the guide rail 2. For this purpose, it has an insertion element 31, which is inserted into the essentially U-shaped profile of the guide rail 2. After the insertion element 31 is inserted, the plug 3 rests against the front end of the guide rail 2 with a contact plate 32 that projects laterally and, in particular, upwards beyond the insertion element 31. The contact plate 32 prevents the placed baking tray 6 from sliding forward off the guide rail 2.

[0027] In the front area of ​​the guide rail 2, two recesses 21 are formed in the material of the guide rail 2, into which, for example, locking elements of the insertion body 31 engage, so that the plug 3 is secured to the guide rail 2 after insertion. However, it is also possible to secure the inserted plug 3 to the guide rail by embossing a web 211 remaining between the two recesses 21.

[0028] A special feature of the plug 3 is a support section 33, which, extending from the mounting plate 32, rests on the guide rail 2 when the plug 3 is inserted. Towards the guide rail 2, the support section 33 is adapted to the shape of the guide rail 2 and at least partially encompasses it (in this case, in the area of ​​the lateral chamfers of the guide rail 2) in order to be laterally fixed to the guide rail 2 and to provide a larger support surface for the baking tray 6. The support section 33 is provided with longitudinal ribs 331 along its upper edge. In addition, a guide pin 332 projects vertically beyond the longitudinal ribs 331.

[0029] A stop element 4 is placed on the rear end of the guide rail 2. This stop element 4 provides an upwardly projecting stop 42 and a further support section 43. The guide rail 2 is provided with a bore 22 for attaching the stop element 4. The stop element 4 has a mounting element 41, for example, a pin, hook, or tab (not shown here), which engages in the bore 22 and may be equipped with locking mechanisms, so that the stop element 4 is held on the guide rail 2. Instead of a pin, a screw connection or a rivet engaging in the bore 22 can also be used to secure the stop element. In this case, the screw head or rivet head is located in a recess in the stop element 4 to be spaced away from the baking tray 6, thus maintaining the insulation between the baking tray 6 and the guide rail 2.

[0030] The underside of the stop element 4, which is adapted to the shape of the running rail 2, also serves to secure the stop element 4 to the running rail 2. This profiling, in particular the areas that partially encompass the running rail 2 laterally, can also be understood as a mounting means 41. The further support section 43 is provided with longitudinal webs 431, similar to the support section 33 of the plug 3.

[0031] As in Figure 1cAs can be seen, the baking tray 6 rests with its rim 61 on the support sections 33 and 43, and in particular on the longitudinal ribs 331 and 431. In contrast to the guide rail 2, which is made of metal, the plug 3 and the stop element 4 are made of an electrically insulating material, for example, the plastic PEEK (polyetheretherketone), so that the baking tray 6 is electrically insulated from the metal of the guide rail. Furthermore, the plug 3, via the contact plate 32, separates the metal of the guide rail 2 from a door or flap of the microwave oven, thus preventing any sparking that could otherwise occur between the front end of the guide rail 2 and the door or flap. Microwave ovens often use a door or flap with a front glass panel that is equipped with conductive elements, for example, a conductive coating or wires embedded in the glass.

[0032] The plug 3 and the stop element 4 can also have a noise-dampening effect. To optimize noise dampening, parts of the plug 3 and / or the stop element 4 can also be made of a softer component than the base material. For example, the longitudinal webs 331 and 431 can be made of a softer silicone material that is injection-molded or bonded on.

[0033] The baking tray 6 has openings 62 in its rim 61, with the guide pin 332 of the plug 3 engaging in the front of the openings 62, thus positioning the baking tray 6 when it is placed on the tray and, in particular, fixing it laterally. At the rear of the baking tray 6, its outer edge 63 rests against the stop 42 of the stop element 4. Alternatively, the support can also be positioned on the guide rail 2 by means of a crimped edge of the support, here the baking tray 6, or by a circumferential wire of a grid-shaped support, against the elements of the plug 3 and / or the stop element 4.

[0034] In the Figures 2a-c Figure 1 shows a first embodiment of an extension guide according to the invention. This extension guide also has a plug 3 and a stop element 4. Figure 2a The drawer guide is shown with the plug 3 and stop element 4 removed, as well as a baking tray 6 to be placed on top. Figure 2bThe baking tray 6 is shown placed on the two pull-out guides shown here. Figure 2c This is a detailed representation of the rear support area of ​​the baking tray 6 on the pull-out guide.

[0035] The construction of the drawer slide in this first embodiment, with cabinet rail 1 and running rail 2, is fundamentally comparable to that described in the Figures 1a-c shown extract guide. Unlike the example of the Figures 1a-c There is no bore at the rear end of the running rail 2 for attaching the stop element 4, but a metallic stop bolt 23 is attached to the running rail 2, in particular welded on.

[0036] The plug 3 fixed at the front end of the running rail 2 corresponds to that in the Figures 1a-c The drawer slide shown, to whose description reference is hereby made, is described. The stop element 4, which is inserted in the rear area of ​​the guide rail 2, differs from that of the example shown. Figures 1a-cIt also has a support section 43 on which the baking tray 6 is positioned with its rim 61. Behind the support section 43, a stop 42 is formed, which here has the shape of a hollow cylindrical protrusion forming a cap with which the stop element 4 is attached to the stop bolt 23 of the guide rail 2. The stop element 4 can be fastened to the stop bolt 23 by positive or frictional engagement. Additionally, a locking element 41, which engages the rim of the guide rail 2, can be provided at the rear end of the stop element 4.

[0037] The stop element 4 of the first embodiment can be used in the same way as the plug 3 and the stop element 4 of the example of the Figures 1a-cThe support 43 could be made of an insulating material, for example, PEEK. It is also conceivable that a softer material, such as silicone, could be used in the area of ​​the support 43. As in the first embodiment, the support of the baking tray 6 on the support section 33 or 43 of the plug 3 or stop element 4 provides electrical, and optionally also thermal or sound-insulating, insulation between the baking tray 6 and the guide rail 2, and, through the contact plate 32, between the guide rail 2 and a door, flap, or front panel of the household appliance.

[0038] In the Figures 3a and 3b This is a further development of the first embodiment. The basic structure of the extractor corresponds to that of the first embodiment according to the Figures 2a-c . Figure 3a shows the pull-out guide with the plug 3 removed and the stop element 4 lifted off. Figure 3bFigure 6 shows the assembled drawer guide with a baking tray placed on top.

[0039] In this second embodiment, the plug 3 again corresponds to that of the previously described embodiments. The stop element 4 is constructed similarly to that of the first embodiment. Here, too, the stop element 4 is provided with a hollow cylindrical protrusion that forms a cap with which the stop element 4 is placed onto the stop bolt 23 of the guide rail 2. Additionally, a damping cap 44 is provided, which is placed onto the stop 42 of the stop element 4. This damping cap 44 is preferably made of a softer material, for example, silicone, so that the impact of the baking tray 6 against the stop element 4 is dampened even more effectively.

[0040] In the Figures 4a-c Another embodiment of an extractor guide according to the invention with a plug 3 is shown. Figure 4a Figures , b show the assembled drawer guide in an isometric overall view, once without a baking tray ( Figure 4a ) and once with a baking tray placed on top ( 6 ( Figure 4b ).

[0041] The basic structure of the drawer slide with cabinet rail 1 and running rail 2 corresponds again to the structure of the drawer slides shown previously.

[0042] A stop element 4 is inserted in the rear area of ​​the running rail 2, which in this configuration is already included in the second embodiment. Figures 3a and 3b shown.

[0043] In the Figure 4c Is plug 3 according to the Figures 4a, b shown separately and in detail in two isometric views from different perspectives.

[0044] Unlike the plug 3 described in the first two embodiments, this plug 3 is designed according to the Figures 4a-cnot inserted into the front end of the running rail 2, but rather placed onto the front end.

[0045] The plug 3 has an approximately C-shaped base body 34 that at least partially encompasses the guide rail 2. The base body 34 can be made of a sufficiently elastic material so that it can also be clipped around the guide rail 2 from the side.

[0046] A projection 341 is arranged on an inner side of the base body 34, which engages in a corresponding recess or bore on the guide rail 2, thereby fixing the plug 3 in the longitudinal direction. However, the positive locking mechanism and the projection 341 provided for this purpose can also be omitted if the plug 3 and guide rail 2 are adapted to each other in such a way that the plug 3 is fixed by friction.

[0047] On the outer upper surface of the base body 34, a support section 33 is formed for the edge of a placed baking tray. This is comparable to the plug 3 according to the Figures 1a-3b Longitudinal webs 331 and a guide pin 332 are formed, which positions the placed baking tray and fixes it laterally.

[0048] In the Figure 5a , b An additional support element 5 is shown, which can be used together with the previously shown plug 3 in a withdrawal guide according to the application. This additional support element 5 is in Fig. 5a separately reproduced in isometric views from three different perspectives. Figure 5b shows a placement process of the additional support element 5 in three sequences using cross-sectional images of an extension guide 2.

[0049] The additional support element 5 has an approximately C-shaped base body 51, with which it is clipped around the guide rail 2. The base body 51 is made of a sufficiently elastic material to allow this clipping movement.

[0050] On the upper inner side of the base body 51, a projection 52 is arranged which, after clipping on, engages in a corresponding recess or bore on the guide rail 2, thereby fixing the additional support element 5 in the longitudinal direction. However, the positive locking mechanism and the projection 52 provided for this purpose can also be omitted, so that the additional support element 5 can be freely positioned on the guide rail 2 depending on the shape of the support to be attached, here the baking tray 6, and maintains its position in the direction of the extension guide solely by friction.

[0051] The outer top surface of the base body 51 forms a further support section 53 for the edge of a placed baking tray. This is comparable to the support section 33 of the plug 3 (cf. Fig. 1-4 ) longitudinal webs 531 and a guide pin 532 are formed, which positions the placed baking tray and fixes it laterally.

[0052] It is noted that one or more such additional support elements 5 may be arranged on the guide rail 2, in particular an additional support element 5 in the area of ​​the rear end of the guide rail 2, i.e. adjacent to a damping cap 44, which here, as in Figure 5b As shown, the baking tray is placed directly onto a stop bolt of the guide rail 2. In this configuration of the drawer guide, the baking tray is aligned parallel to the guide rail 2 and is also electrically insulated from it.

[0053] In the Figures 6a-cAnother example of an additional support element 5 is shown, which can be used in combination with the previously shown plug 3 in a withdrawal guide in accordance with the application.

[0054] Figure 6a The additional support element 5 is shown placed on a pull-out guide with a baking tray 6 placed on it in a sectional view looking in the pull-out direction. Figure 6b The additional support element 5 is shown separately in two isometric detail views from different perspectives. Figure 6c Finally, the sequence of placing the support element 5 onto the extension guide is shown from top to bottom in three stages. The left and right sides of the figures each show a section of a running rail 2 together with the additional support element 5 from different viewing angles.

[0055] Function and use of the in the Figures 6a-c The additional support element 5 shown corresponds to the one previously described in the Figure 5a and 5b The additional support element 5 shown above. The previously shown additional support element 5 completely surrounds the guide rail 2 on two sides and partially surrounds two other sides in order to fix it radially to the guide rail 2. The additional support element 5 shown above Figure 6a-c The additional support element 5 shown can be clipped onto the guide rail 2 without at least partially encircling it. It rests only on two adjacent side surfaces of the guide rail 2. In order to nevertheless be able to be clipped onto the guide rail 2, it has a die-cut and upwardly bent tab 24 on its upper surface and two lateral recesses 25 on one side surface.

[0056] For assembly, the additional support element 5 is first placed slightly inclined from above onto the guide rail 2, so that the tab 24 engages in a receiving opening 54 formed on the additional support element 5. This is located in the Figure 6cAs shown in the upper and middle drawings, the lateral part of the L-shaped base body 51 of the additional support element 5 is then pressed against the guide rail, whereby two projections 52, which are formed on the inside of the additional support element 5, engage in the lateral recesses 25 of the guide rail 2. As a result, the additional support element 5 now lies flush with the guide rail 2 with its two inner side surfaces of the base body 51 and is secured in both the radial and axial directions.

[0057] As in the previous example, the additional support element 5 provides a support section 53 on which a support such as the one in Figure 6a The baking tray 6 shown, with its rim 61, can rest on the support. In this example, guide pins 532 are formed on the support section 53 to laterally fix the support. Longitudinal ribs (see longitudinal ribs 531 in Figure 5a) are not present in the present example, but could also be formed. Reference symbol list

[0058] 1body rail 11mounting bracket 2Running rail 21Recess 211Web 22Bore 23Stop bolt 24Tab 25Side recess 3 Plug 31 Insertion body 32 Mounting plate 33 Support section 331 Longitudinal web 332 Guide pin 34 Base body 341 Projection 4 Stop element 41 Mounting device 42 Stop 43 Support section 431 Longitudinal web 44 Damping cap 5 additional support element 51 base body 52 projection 53 support section 531 longitudinal web 532 guide pin 54 receiving opening 6 baking tray 61 edge 62 opening 63 edge

Claims

1. Pull-out guide for a domestic appliance with microwave cooking function, having a cabinet rail (1) and at least one metallic running rail (2) movable relative thereto for supporting a carrier, wherein at least one support element for the carrier is fastened to the running rail (2), which element is at least partially made of an electrically insulating material, and wherein a stop element (4) is mounted on the running rail (2) in a rear region as seen in the pull-out direction, which has a stop (42) for the carrier protruding upwardly above the running rail (2) characterized in that a stopper (3) is arranged in a front region of the running rail (2) as seen in the pull-out direction, which stopper has a support portion (33), as a support element for the carrier, oriented parallel to the pull-out direction and protruding upwardly above the running rail (2), and that the stop (42) is formed by a protrusion with which the stop element (4) is placed on a stop bolt (23) which is arranged on the running rail (2).

2. Pull-out guide according to claim 1, in which the stopper (3) has a contact plate (32) for the carrier which projects forwards and upwards above the running rail (2).

3. Pull-out guide according to claim 1 or 2, in which the support portion (33) of the stopper (3) has longitudinal webs (331) on which the carrier can rest.

4. Pull-out guide according to one of claims 1 to 3, wherein an upwardly projecting guide pin (332) for the carrier is arranged in the region of the support portion (33) of the stopper (3).

5. Pull-out guide according to one of claims 1 to 4, in which the stop element (4) has a further support portion (43) for the carrier which is oriented parallel to the pull-out direction and protrudes upwardly above the running rail (2).

6. Pull-out guide according to one of claims 1 to 5, in which a damping cap (44) made of a material which is softer than the material of the protrusion is additionally placed on the protrusion.

7. Pull-out guide according to one of claims 1 to 6, comprising at least one additional support element (5) which is mounted on the running rail (2) and has a further support portion (53) for the carrier which is oriented parallel to the pull-out direction and protrudes upwardly above the running rail (2).

8. Pull-out guide according to claim 7, in which the support portion (53) of the additional support element (5) has longitudinal webs (531) on which the carrier can rest.

9. Pull-out guide according to claim 7 or 8, in which an upwardly projecting guide pin (532) for the carrier is arranged in the region of the further support portion (53) of the additional support element (5).

10. Pull-out guide according to one of claims 7 to 9, wherein the additional support element (5) has a C-shaped base body which is clipped onto the running rail (2).

11. Pull-out guide according to one of claims 1 to 10, wherein the electrically insulating material is also thermally insulating and / or shock-insulating.

12. Pull-out guide according to one of claims 1 to 11, wherein the electrically insulating material is a ceramic or a plastic, in particular a high-temperature-resistant thermoplastic, an elastomer and / or a thermoset.

13. Domestic appliance with microwave cooking function, comprising at least one pull-out guide according to one of claims 1 to 12 for accommodating a food carrier.

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