Drawer guides for household appliances and household appliances

Abstract

The present invention relates to a drawer guide for a domestic appliance with microwave cooking function, comprising a main rail (1) and at least one running rail (2) movable relative to the main rail and for placing a cooking product carrier, the main rail (1) and / or the running rail (2) having a U-shaped profile with a base (11, 21) and two rims (12, 22). The drawer guide has rims (12, 22) electrically connected to each other by contact elements (3) in end regions (14, 23) of the main rail (1) and / or the running rail (2), the contact elements (3) being arranged at a distance from the base (11, 21).

Description

[Technical Field]

[0001] The present invention relates to a drawer guide for a microwave cooking appliance, the drawer guide having a main rail and at least one running rail movable relative to the main rail for placing a cooking product carrier, the main rail and / or the running rail having a U-shaped profile with a base and two rims. The present invention also relates to a microwave cooking appliance equipped with such a drawer guide. [Background technology]

[0002] Drawer guides are established in various types of household appliances, on which removable carriers, for example cooking product carriers such as cooking trays or grids, can be placed, which can be conveniently inserted into the household appliance or more easily extended and removed using the drawer guide.

[0003] Drawer guides in which the body rail and / or the running rails have a U-shaped profile have proven to be advantageous in that they allow a compact construction and are well protected against the ingress of dirt by the U-shaped profile, which is usually stamped and bent from sheet metal material.

[0004] To prevent sharp edges from posing a risk of injury and for visual reasons, it is known to close the front end of the U-shaped profile of the running rail. This is done using a welded plate or an inserted plug across the entire surface. Part of the plate or plug often protrudes above the support surface of the running rail to provide support for the placed product carrier and thus prevent it from sliding off the running rail when removed from the cooking chamber. The rear end of the U-shaped main rail is usually left open.

[0005] When using metal running or main rails with a U-shaped profile in a microwave cooking chamber, it has been shown that when the front and / or rear ends of the rails are open, the temperature of the metal elements located within the volume enclosed by the U-shaped profile increases compared to the surrounding area, thus reducing microwave efficiency. Similar behavior is observed when the profile rails are closed with plugs made of electrically insulating material. Summary of the Invention [Problem to be solved by the invention]

[0006] The object of the present invention is to create a drawer guide for a household appliance with microwave cooking function and a household appliance equipped with said drawer guide, in which, even when the ends of the U-shaped running rail and / or main rail are opened and closed by electrically insulating material, an increase in the temperature of the elements in the volume enclosed by the respective rails is prevented or at least reduced as much as possible. [Means for solving the problem]

[0007] This object is solved by a domestic appliance with a drawer guide or microwave cooking function with the features of the respective independent claims. Advantageous configurations and further developments are the subject matter of the dependent claims.

[0008] A drawer guide of the type mentioned at the outset of the present invention is characterized in that in the end regions of the body rail and / or the running rail, the rims are electrically connected to one another by contact elements, which are arranged at a distance from the base.

[0009] It has been shown that if the free ends of the rims are electrically connected to each other, microwaves no longer penetrate the front openings in the running or main rail profiles. The connection creates a closed, ring-shaped conductive structure consisting of the rail base, rim, and contact element, which reflects microwaves. The remaining open area, i.e., the opening of the ring-shaped structure, is small enough, given the typical height or width of the drawer guide rails (which ranges from a few millimeters to about one centimeter), to allow microwaves to penetrate deeper into the volume enclosed by each rail.

[0010] Unnecessary and undesirable heating, for example of the rolling element cage of the drawer guide, is reduced or avoided, and even the arrangement of the contact elements in the area of ​​one of the two end faces results in a significant reduction in temperature rise. The fact that the entire opening area does not need to be completely shielded saves material and also makes it possible to cover the end faces of the rail - away from the area of ​​the contact elements - in other ways, for example with insulating plugs.

[0011] It should be noted that the "U-shape" of the body or running rail in the sense of the present application includes any shape in which two lateral limbs are arranged at a distance from each other on a base. The two limbs can have the same or different lengths and can be at the same angle, in particular at a right angle, to the base or at different angles. In addition, each limb can be straight, angled or curved, in particular in the region of its free end. Therefore, trapezoidal or C-shapes also fall under the term "U-shape" in the context of the present application.

[0012] In an advantageous configuration of the drawer guide, the body rail and / or the running rail are made of metal. Another advantage is that the contact elements are made of metal sheet or wire. Due to their high electrical conductivity, this provides good shielding against microwaves.

[0013] In a further advantageous configuration of the drawer guide, the contact element is U-shaped and has a base and two lateral rims, which can be easily inserted into the main rail or running rail, with the rims of the contact element preferably contacting the rims of the main rail or running rail on the inside and the bases facing each other.

[0014] In one configuration, recesses can be arranged in the rims of the body rail and / or the running rail, into which the contact elements latch. For this purpose, the contact elements preferably have outwardly projecting latch tabs at the free ends of their rims, which latch into the recesses. The U-shaped shape of the contact elements achieves a spring effect, which on the one hand provides a latching mechanical fastening of the contact elements, and on the other hand ensures good electrical contact.

[0015] Alternatively or additionally, the contact elements can be welded to the rims of the body rail and / or the running rail. A U-shape of the contact elements is also advantageous for this, in which case the rim of the contact elements lies as flat as possible relative to the rim of the rail. The welding is then preferably carried out using a spot welding process.

[0016] In a further advantageous configuration of the drawer guide, a plug is inserted into the front end of the running rail and / or the rear end of the main rail, with the contact element located on or within the plug. The plug covers the end faces of the main rail and / or running rail, protecting them from damage to potentially sharp rail edges. Furthermore, the plug can be made of an electrically insulating material, providing effective protection against microwave flashover from the running rail to the front. Further advantages arise if the plug material is also thermally insulating and / or shock-absorbing. In this configuration, the plug also serves to accommodate the contact element. When the plug is inserted into the rail, the U-shaped contoured rim also makes contact in a single operation.

[0017] In one configuration, the plug has an insert secured to fasten and / or latch to the running rail and / or body rail, and the contact element is located on and / or at least partially within the insert. Preferably, there is at least one recess on the insert that at least partially receives the contact element to secure it to the plug and allow the unit including the plug and contact element to slide into the rail.

[0018] The following electrically insulating materials can be used for the plug: ceramics, high temperature resistant thermoplastics, especially of the polyetherketone family (e.g., polyetheretherketone - PEEK), and / or elastomers, especially of the polysiloxane or thermoset family.

[0019] The domestic appliance with microwave cooking function according to the invention is characterized in that it comprises at least one such drawer guide, which provides the advantages mentioned in connection with the drawer guide. [Brief explanation of the drawings]

[0020] The invention is explained in more detail below with reference to exemplary embodiments using the drawings. [Figure 1a] FIG. 2 shows a spatial representation of the drawer guide with the rear stop element and the front contact element removed in the first exemplary embodiment. [Figure 1b] FIG. 1b shows the drawer guide of FIG. 1a fitted with contact elements; [Figure 2a] FIG. 10 shows a spatial representation of a drawer guide with a rear stop element and front and rear contact elements removed in a second exemplary embodiment. [Figure 2b] 2a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 2c] 2a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 3] FIG. 2B shows a detailed spatial representation of the contact element of FIGS. 1a to 2c. [Figure 4a] 1a to 2c show the front part of the running rail of the drawer guide, with the contact element removed; FIG. [Figure 4b] 1a to 2c show the front part of the running rail of the drawer guide with the contact element inserted; FIG. [Figure 5a] FIG. 10 shows a spatial representation of a drawer guide with a rear stop element and front and rear contact elements removed in a third exemplary embodiment. [Figure 5b] 5a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 5c] 5a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 6] FIG. 6 shows a detailed spatial representation of the contact element of FIGS. 5a to 5c. [Figure 7a] 5a to 5c show the front part of the running rail of the drawer guide with the contact element removed; FIG. [Figure 7b] 5a to 5c show the front part of the running rail of the drawer guide with the contact element inserted; FIG. [Figure 8a] FIG. 10 shows a spatial representation of a drawer guide with a rear stop element and front and rear contact elements removed in a fourth exemplary embodiment. [Figure 8b] 8a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 8c] 8a shows a drawer guide fitted with contact elements in two different sliding positions. [Figure 9] FIG. 8B shows a detailed spatial representation of the contact element of FIGS. 8a to 8c. [Figure 10a] 8a to 8c show the front of the running rail of the drawer guide with the contact element removed; FIG. [Figure 10b]8a to 8c show the front part of the running rail of the drawer guide with attached contact elements; [Figure 11a] FIG. 10 shows a front representation of a drawer guide in a further exemplary embodiment, with the plug removed. [Figure 11b] FIG. 10 shows a front representation of a drawer guide in a further exemplary embodiment, with the plug removed. [Figure 11c] 13 shows a representation of the front part of a drawer guide in a further exemplary embodiment, with a plug inserted; FIG. [Figure 12a] 11b and 11c from different angles. FIG. [Figure 12b] 11b and 11c from different angles. FIG. [Figure 13a] FIG. 10 shows a front representation of a drawer guide in a further exemplary embodiment, with the plug removed. [Figure 13b] 13 shows a representation of the front part of a drawer guide in a further exemplary embodiment, with a plug inserted; FIG. [Figure 14a] 13a, 13b show different representations of the plug; [Figure 14b] 13a, 13b show different representations of the plug; [Figure 14c] 13a, 13b show different representations of the running rail in cross section with inserted plugs; [Figure 15a] 13 shows a representation of the front of a drawer guide in a further exemplary embodiment, with the plug removed; [Figure 15b] 13 shows a representation of the front of a drawer guide in a further exemplary embodiment, shown with a plug inserted; [Figure 16a] 15a, 15b show different representations of the plug. [Figure 16b] 15a, 15b show different representations of the plug. [Figure 16c]15a, 15b show different representations of the running rail in cross section with the plug inserted; DETAILED DESCRIPTION OF THE INVENTION

[0021] In all figures, the same reference numerals indicate elements that are identical or have the same effect. For clarity, not all elements are represented by reference numerals in all figures. When relative terms such as "left" or "right" are used in the description, they refer to the figure being described. The terms "front," "rear," "top," and "bottom" only refer to the natural orientation of the drawer rails during operation, when the product carrier rests on top of the drawer rail and the front end of the drawer rail refers to a user positioned at the front of the household appliance in which the drawer guide is being used.

[0022] 1a and 1b show a first exemplary embodiment of a drawer guide according to the present application. The drawer guide has a fixed body rail 1, which is fixed in or on the domestic appliance using mounting elements, such as mounting clips, not shown here. The drawer guide is suitable for microwave ovens. The drawer guide can be attached, for example, to a lateral grid, which is usually located in the cooking chamber of the cooker.

[0023] A cooking product carrier, for example a baking tray or rack, can be placed on top of the drawer guide and can be moved out of or into the cooking chamber using the drawer guide. The drawer guide comprises a running rail 2 which is mounted so as to be movable relative to a main rail 1. In the example shown, the main rail 1, the running rail 2 and the mounting elements are made of metal, for example stamped and bent sheet metal.

[0024] The running rail 2 is U-shaped and has an upwardly facing base 21 and two lateral rims 22. The running rail 2 has a front end 23 (in the direction of withdrawal) and an opposite rear end 24. A stopper 4 in the form of a cylindrical bolt is attached to the base 21 of the running rail 2 at the rear end 24. The stopper 4 prevents the product carrier resting on it from sliding backwards. Furthermore, the pins can be fitted with damping caps, which dampen the impact of the edge of the product carrier on the pins.

[0025] An arrangement of rolling elements, not visible here, is located between the main rail 1 and the running rail 2, allowing the running rail 2 to move easily relative to the main rail 1. Furthermore, components such as additional running rails or a central rail can be located between the main rail 1 and the running rail 2 to allow for extension.

[0026] Two recesses 25 are formed in the material of the front end 23 of the running rail 2. Contact elements 3 are inserted into these recesses 25. In Figure 1a the contact elements 3 are shown disassembled before insertion, while in Figure 1b the drawer guide is shown with the contact elements 3 inserted. The contact elements 3 are made of conductive metal sheet and connect the rims 22 of the U-shaped running rails 2 in their front ends 23 in a conductive manner.

[0027] This is based on the recognition that if the free ends of the rims 22 were electrically connected to each other, microwaves would be unable to penetrate the U-shaped running rail 2 from the front. The connection creates a closed, electrically conductive ring-shaped structure consisting of the base 21, rim 22, and contact element 3, which reflects microwaves. The remaining open area, i.e., the opening of the ring-shaped structure, is small enough to allow microwaves to penetrate deeper into the volume enclosed by the running rail 2, given the typical height or width of the running rail 2, which ranges from a few millimeters to about one centimeter. Unnecessary and undesirable heating, for example, of the rolling element cages of the drawer guides, is avoided or significantly reduced. This effect is significant even if only one of the two end faces is equipped with a contact element of the type described above.

[0028] Contacts located as close to the edge as possible have proven to be particularly effective both in the withdrawal direction of the U-shaped running rail 2 and in the direction of the free end of the rim 22 .

[0029] 2a to 2c show a further exemplary embodiment of a drawer guide according to the present application. In contrast to Example 1, a so-called full-length running rail is shown, in which the drawer guide has a central rail 5 in addition to the body rail 1 and the running rail 2.

[0030] The structure of the running rail 2 in this second embodiment is basically the same as in the first embodiment. In this case, the main rail 1 is also U-shaped and has a base 11 and side rims 12. The running rail 2 has a front end 13 and a rear end 14. Similar to the recess 25 in the front end 23 of the running rail 2, a recess 15 is formed in the rim 12 at the rear end 14 of the main rail 1.

[0031] In this exemplary embodiment, one contact element 3 is inserted into the running rail 2 and one contact element 3 is inserted into the body rail 1, inserted into the corresponding recesses 25 and 15 in each case. This prevents microwaves from penetrating the inner volume enclosed by the running rail 2 from the front, as well as the inner volume enclosed by the body rail 1 from the rear. In Figure 2a, the contact elements 3 are shown separately in a disassembled state before insertion. Figures 2b and 2c then show the drawer guide with the contact elements 3 inserted in two different drawer positions.

[0032] 3 shows an enlarged spatial representation of the contact element 3 of the first two exemplary embodiments of the withdrawal guide. As mentioned above, it is made from an electrically conductive sheet metal material, preferably stainless steel, but also aluminum, copper or bronze, or other metal alloys.

[0033] In this example, the contact element 3 is bent into a U-shape, having a base 31 and a rim 32. The free end of the rim 32 flares outward to form a latch tab 33. When the latch tab 33 is inserted into the body rail 1 or running rail 2, the latch tab 33 latches into the corresponding recess 15 or 25. This ensures, on the one hand, a tight mechanical fit and, on the other hand, a good electrical contact with low contact resistance.

[0034] 4a and 4b show an enlarged view of the front part of the running rail 2 again, viewed obliquely from below within a U-shaped profile. In 4a the contact element 3 is shown separately before insertion, in 4b it is inserted into the running rail 2. Figures 5a to 5c, 6 and 7a, 7b, as well as Figures 8a to 8c, 9 and 10a, 10b, in each case similar to Figures 2a to 2c, 3 and 4a, 4b, show third and fourth exemplary embodiments of the drawer guide according to the present application.

[0035] In both cases the basic configuration corresponds to the second embodiment, with the contact element 3 being arranged at the front end 23 of the running rail 2 and the contact element 3 being arranged at the rear end 14 of the body rail 1 . Unlike the first two exemplary embodiments, the contact elements 3 are not mounted to latch into the rails 1, 2 but are welded onto the rails 1, 2. Preferably, a contact spot welding process is used due to the intended location of the weld spots 34, as shown in particular in Figures 6 and 9.

[0036] The contact element 3 of the third exemplary embodiment of Figures 5a to 5c, 6 and 7a, 7b is identical to the contact element 3 of the first two exemplary embodiments, except for the latch tab 33, which is a metal sheet strip bent into a U-shape.

[0037] 8a to 8c, 9 and 10a, 10b, the contact element 3 of the fourth exemplary embodiment is a U-shaped bent wire bracket with a rim 32 having flat areas at its free end. These flat areas form contact surfaces 35 where the contact element 3 abuts against the rim 12, 22 of the body rail 1 or the running rail 2. The contact surfaces 35 facilitate the welding process, and the intended position of each welding spot 34 lies correspondingly on the contact surfaces 35.

[0038] Figures 11a to 16c show three further exemplary embodiments of drawer guides, the basic structure of which corresponds to the drawer guide of the first exemplary embodiment and comprises a body rail 1 and a U-shaped running rail 2. Only the front part of each drawer guide is shown.

[0039] In all three exemplary embodiments, the plug 6 is inserted from the front into the U-shaped contour of the running rail 2. For this purpose, the plug 6 has an insert 61 that is pressed into the contour of the running rail 2. After the insert 61 has been inserted, the plug 6 abuts against the front end of the running rail 2, and a contact element 62 projects laterally, in particular upwards, beyond the insert 61. The contact element 62 prevents the product carrier from sliding forward off the running rail 2.

[0040] In contrast to the metallic running rail 2, the plug 6, and in particular the contact element 62, is preferably made of an electrically insulating material, such as the plastic PEEK (polyetheretherketone). Consequently, the contact element 62 of the plug 6 separates the metal of the running rail 2 from the door, flap, or other front surface of the microwave oven. This prevents possible sparkovers between the front end of the running rail 2 and the front. Microwave ovens often have a door or flap with a front panel, which is provided with an electrically conductive element, such as a conductive coating or wire in the glass. The material of the contact element 62 or the plug 6 may also be shock-absorbing and / or thermally insulating, thus protecting the door or flap mechanically and with respect to local thermal loads.

[0041] In the exemplary embodiment shown, the plug 6 is formed as a single piece, for example made of plastic, such as the aforementioned PEEK, in an injection molding process. Alternatively, the plug 6 can be made up of multiple pieces.

[0042] In the front region of the running rail 2, two recesses are formed in the base 21 of the running rail 2, into which, for example, latching elements of the insert 61 engage and which fix the plug 6 to the running rail 2 after insertion. However, the inserted plug 6 can also be fixed to the running rail 2 by countersinking the web remaining between the two recesses.

[0043] According to the present application, in the three exemplary embodiments of Figures 11a to 16c there is also a contact element 3, which electrically connects the rim 22 of the running rail 2 in the front end 23 at a distance from the base 21. In each case the contact element 3 is arranged in or on the plug 6. 11a to 11c and 12a, 12b show a first exemplary embodiment of such a pull-out rail in which a plug 6 supports a contact element 3. In the embodiment shown in FIG.

[0044] Figures 11a and 11b respectively show parts of the main rail 1 and the running rail 2, and the plug 6 before insertion into the front end of the running rail 2. A recess 611 is made in the insert body 61 of the plug 6 from the side and from below, into which the contact element 3, shown separately in Figure 11a, is inserted. In this exemplary embodiment, the contact element 3 is a wire section bent into a U-shape.

[0045] Figures 11b and 12a show the contact element 3 inserted into the insert 61 from two different angles. Finally, as shown in Figures 11c and 12b, the insert 61 is inserted into the running rail 2. It can be seen that the contact element 3 connects the rim 22 of the U-shaped running rail 2 in the region of the front end 23. Thus, in the end region, the contour of the running rail 2 is again electrically closed in the shape of a ring, which provides effective shielding against microwaves.

[0046] Figures 13a, 13b and 14a to 14c show a second exemplary embodiment of a drawer guide with a plug 6 and a contact element 3. The illustrations in Figures 13a, 13b correspond to those in Figures 11b, 11c. In Figures 14a, 14b, the plug 6 is shown separately in a spatial representation before or with the contact element 3 attached. Figure 14c shows a cross-section of the running rail 2 with the plug 6 inserted.

[0047] In contrast to the previous exemplary embodiment in Figures 11a to 12b, the contact element 3 is a U-shaped folded sheet and not a wire segment. This widens the recess 611 of the insert 61. To better hold the contact element 3 on the insert 61, an inward-facing latch tab 33 is formed on the rim 32, thereby fixing the contact element 3 in the recess 611. In principle, the effect is similar to that of the previous exemplary embodiment: the greater the width of the metal sheet compared to the wire segment, the more secure the contact between the contact element 3 and the rim 22 of the running rail 2. Depending on the length of the individual rims 22 of the U-shaped running rail 2, the contact element 3 deviates from the symmetrical U-shape and connects the rim ends 25 via the shortest path, as shown in Figure 14c.

[0048] Finally, Figures 15a to 16c show, in a similar manner to Figures 13a to 14c, a third exemplary embodiment of a drawer guide with a plug 6 and a contact element 3. Similar to the previous exemplary embodiment, a U-shaped metal sheet is used as the contact element 3. In contrast to the previous exemplary embodiment, the rim 32 of the U-shaped contact element 3 is oriented in the withdrawal direction, not perpendicular to it. The recess 611 on the insert 61 is also aligned accordingly.

[0049] The advantage here is that a greater clamping force (resulting in better contact between the contact element 3 and the running rail 2) can be applied when the contact element 3 is inserted into the running rail 2, without the risk of the contact element 3 being pushed out of the recess 611. In order to achieve a particularly good electrical contact, in this exemplary embodiment the contact element 3 further comprises an angled contact tab 36 at each of its two free outward ends. The contact tabs 36 represent the main contact points with the running rail 2, which are preferably located in the front region of the end 23. A stop tab 612 integrated into the rear region of the plug 6 prevents the pre-assembled contact element 3 from coming out of the recess 611 during assembly and also prevents other guide elements, such as the body rail 1 or the central rail 5, from coming into contact with the contact element 3.

[0050] The contact element 3 shown in the exemplary embodiment of Figures 11a to 16c can also be fixed to the plug 6 by other means in a material-fit, form-fit or force-fit manner, or can be manufactured already in the standard manufacturing process, for example as an insert part or by two-component injection molding.

[0051] The contact elements 3 described in this embodiment do not necessarily have to be identical in construction to the main rail 1 and the running rail 2 of the drawer guide, and they can be attached in the same way, but can also be combined with each other. For example, the thermal progression in the drawer guide can be optimized by a coordinated selection of the contact elements 3, or additional process steps can be incorporated into the manufacturing process of the drawer guide. [Explanation of symbols]

[0052] Code list 1 Main rail 11 Base 12 rims 13 Front end 14 Rear end 15 recess 2 Running rails 21 Base 22 rims 23 Front end 24 Rear end 25 recess 3 Contact Elements 31 Base 32 rims 33 Latch tab 34 Spot welding 35 Contact surface 36 Contact Tab 4 Stopper 5 Center Rail 6 plugs 61 Insert 611 recess 612 Stopper tab 62 Contact Elements

Claims

1. A drawer guide for a domestic appliance with microwave cooking function, comprising a main rail (1) and at least one running rail (2) movable relative to the main rail (1) and carrying a product carrier, wherein the main rail (1) and / or the running rail (2) have a U-shaped profile with a base (11, 21) and two rims (12, 22): A drawer guide, characterized in that the rims (12, 22) are electrically connected to each other by contact elements (3) in end regions (14, 23) of the body rail (1) and / or the running rail (2), the contact elements (3) being arranged at a distance from the base (11, 21).

2. 2. The drawer guide according to claim 1, wherein the main rail (1) and / or the running rail (2) are made of metal.

3. 3. A drawer guide according to claim 1 or 2, wherein the contact element (3) is made from a metal sheet or a metal wire.

4. 4. A drawer guide according to any one of claims 1 to 3, wherein the contact element (3) is U-shaped and has a base (31) and two lateral limbs (32).

5. 5. The drawer guide according to claim 4, wherein the contact element (3) contacts the rim (12, 22) of the body rail (1) and / or the running rail (2) at a rim (32).

6. A drawer guide according to any one of the preceding claims, wherein the contact element (3) contacts the inside of the rim (12, 22).

7. 7. A drawer guide according to any one of claims 1 to 6, wherein recesses (15, 25) are arranged in the rims (12, 22) of the body rail (1) and / or the running rail (2), and the contact elements (3) engage in a latching manner within the recesses.

8. 8. A drawer guide according to claim 4 or 7, wherein the contact element (3) has an outwardly projecting latch tab (33) at the free end of the rim (32), the latch tab (33) engaging in the recess (15, 25).

9. 9. Drawer guide according to any one of the preceding claims, wherein the contact element (3) is welded to the rim (12, 22) of the body rail (1) and / or the running rail (2).

10. 10. The drawer guide according to claim 1, wherein a plug (6) is inserted into the front end of the running rail (2) and / or the rear end of the body rail (1), and the contact element (3) is arranged on or within the plug (6).

11. 11. The drawer guide according to claim 10, wherein the plug (6) has an insert (61) fastened to the running rail (2) and / or the body rail (1) in a clamping and / or latching manner, and the contact element (3) is at least partially arranged on and / or within the insert (61).

12. 12. Drawer guide according to claim 11, wherein the insert (61) of the plug (6) has at least one recess (611) for at least partially accommodating the contact element (3).

13. Drawer guide according to any one of claims 10 to 12, wherein the plug (6) is made of insulating material.

14. Drawer guide according to any of claims 10 to 13, wherein the plug (6) is made of a heat insulating and / or shock absorbing material.

15. 15. A domestic appliance with microwave cooking functionality, comprising at least one drawer guide according to any one of claims 1 to 14 for accommodating a cooking product carrier.

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