Domestic refrigerator with light source module mounted on an internal container in a specific manner, and method of assembly

Abstract

A household refrigerating appliance (1) with an inner container (6) which, with walls (6a, 6b, 6c), delimits a receiving space (3) for food of the household refrigerating appliance (1), wherein at least one wall (6a, 6b, 6c) has at least one recess (10, 11, 12, 13) on which a light source module (5) of the household refrigerating appliance (1) is arranged, wherein the light source module (5) has at least one retaining element (8, 9) which engages through the recess (10 to 13) for holding, wherein the household refrigerating appliance (1) has an additional, separate mounting part (14) which is arranged on the outer side (7) of the wall (6a, 6b, 6c) facing away from the receiving space (3), wherein the retaining element (8, 9) is coupled to the mounting part (14) for holding the light source module (5).

Description

[0001] One aspect of the invention relates to a household refrigeration appliance with an inner container. The inner container has walls. These walls define a storage space for foodstuffs in the household refrigeration appliance. One wall of the inner container has a continuous recess, in which a light source module of the household refrigeration appliance is arranged. The light source module has at least one holding element that extends through the recess for holding purposes. Another aspect of the invention relates to a method for mounting a light source module on a wall of an inner container of a household refrigeration appliance.

[0002] Such a household refrigeration appliance and such a method are known from DE 10 2016 202 567 A1. There, the light source module is attached directly to the wall, and a direct coupling of a holding element of the light source module to an outer side of the wall of the inner container is provided.

[0003] US 10 775 100 B2 discloses a household refrigerator which is equipped with a wall light for illuminating a cooling compartment of the household refrigerator.

[0004] US 10 429 032 B2 discloses a cooling device with a lighting device arranged in an opening of an inner container side wall of the cooling device.

[0005] CN 104 296 486 A discloses a cooling device with a lighting device which is mounted in a recess of an inner container ceiling wall of the cooling device.

[0006] US 2019 / 339004 A1 discloses a household refrigeration appliance with a wall light for illuminating a storage room of the household refrigeration appliance.

[0007] Since an inner container is usually made of plastic and manufactured, for example, by deep drawing or injection molding, such a wall is also relatively thin. Mechanical forces that occur when such a light source module is firmly positioned against an inner container wall can therefore also exert undesirable forces on this wall.

[0008] It is an object of the present invention to provide a household refrigeration appliance and a method in which the mounting and positioning of a light source module on a wall of an inner container are improved.

[0009] This object is achieved by a household refrigeration appliance and a method according to the independent claims.

[0010] One aspect of the invention relates to a household refrigeration appliance with an inner container. The inner container has walls. These walls define a storage space for foodstuffs in the household refrigeration appliance. One wall of the inner container has a continuous recess in which a light source module of the household refrigeration appliance is arranged. The light source module has at least one holding element that extends through the recess for holding purposes.

[0011] The household refrigeration appliance has an additional, separate mounting part. This is arranged on the outer side of the wall of the inner container facing away from the receiving space. The holding element for holding the light source module is mechanically directly coupled to this mounting part. Such a household refrigeration appliance improves the assembly and attachment of a separate light source module to a wall of an inner container. Thanks to the separate mounting part, the forces of the holding element of the light source module no longer act directly on the wall of the inner container, in particular no longer directly on the outer side of the wall of the inner container. Rather, the mounting part is arranged in between and absorbs the holding forces of the holding element. In particular, the holding element then rests directly against the mounting part.The holding forces are then no longer transferred directly to the outside of the wall by the holding element, but rather to the mounting part. This allows for a larger force transfer to the outside of the wall, thus avoiding damage to the wall of the inner container.

[0012] According to the invention, the mounting part has a snap-in geometry to which the retaining element is directly snapped for holding. Thus, in this exemplary embodiment, the retaining element is not intended to rest against a flat rear side of the mounting part. Rather, this snap-in geometry enables a mechanical coupling principle in which the retaining element also snaps onto this mounting part. This enables an even more stable and positionally fixed arrangement of the light source module.

[0013] According to the invention, the snap geometry has a feedthrough. This is thus designed as a hole and is continuous through the snap geometry. In particular, this feedthrough is designed continuously through the mounting part. The holding part extends through the feedthrough so that it is arranged on both sides of the feedthrough in the direction of a hole axis of the feedthrough. The holding element is directly snapped to this mounting part on the outside of the mounting part facing away from the outside of the wall. This embodiment makes it possible to achieve a compact design. On the other hand, the holding element can then also be easily passed through the mounting part and can be snapped onto the back of the mounting part in a particularly advantageous manner. The mechanical coupling and the positionally fixed holding are thereby further improved.Furthermore, the retaining element is essentially guided by this passage and held in place when adjusting the snap-in position. This prevents unwanted breakage of the retaining element or a resulting insufficient snap-in position. The passage therefore also serves as a guide for the retaining element and stabilizes it in the snap-in state.

[0014] In one embodiment, the mounting part rests directly against the outside of the wall. The mounting part is larger than the retaining element, allowing a larger surface area for the mounting part to rest against the outside of the wall than if the retaining element were to rest directly against this outside.

[0015] In one embodiment, the snap-in geometry is a multi-stage snap-in arrangement. This means that it has at least two discrete snap-in stages, with which the retaining element can be individually snapped into place. This also further improves the fastening of the light source module. Depending on any tolerances that may exist, at least one of these at least two discrete snap-in stages can be selected to achieve the positionally fixed arrangement of the light source module.

[0016] In one embodiment, the snap-in geometry is a snap-in staircase. This snap-in staircase has several snap-in steps. These are arranged at different distances from the outer side of the inner container. This means that, in a direction perpendicular to the plane of the outer side of the wall, the distance from one snap-in step to the outer side is smaller than the corresponding distance of at least the second snap-in step to this outer side. This further improves the highly functional snap-in concept and facilitates the simple and positionally fixed installation of the light source module.

[0017] In one embodiment, a ratchet-like structure is created which has different snap stages as ratchet sections.

[0018] In one embodiment, the feedthrough has a wide insertion area for inserting the holding element. The feedthrough also has a narrower holding area that adjoins the insertion area in one direction, in particular the vertical direction. In one embodiment, the snap geometry is arranged laterally to the holding area on the mounting part. This is another very advantageous embodiment. This is because the holding element can then be very easily guided through the wider insertion area, even with a wider element area of the holding element, from the wall through the mounting part. This can be done, for example, by a linear movement perpendicular to the plane of the wall. Once the holding element has then been partially guided through this insertion area of the feedthrough, the holding element can be pushed in the vertical direction from the insertion area into the holding area in a further assembly step.Since the narrower holding area is dimensioned smaller in this respect, the holding element with a narrower element part is also guided in this movement, whereby the snap-in process of the holding element with the snap-in geometry on the back of the mounting part is also guided accordingly.

[0019] Because the snap geometry is not formed next to the insertion area, but only in the area of the holding area when viewed in the vertical direction, the basic insertion of the holding element and its passage through the insertion area can be carried out very easily without any snapping occurring at this point. This enables an intermediate assembly state of the holding element after it has been passed through the insertion area, in which snapping is not yet intended. This allows for more precise and accurate snapping by subsequently moving the holding element from the insertion area into the holding area. Preferably, the snap geometry is formed on both sides of the holding area when viewed in a direction perpendicular to the longitudinal axis. This can further improve the snapping process.This is because the holding element engages in a snap-in geometry section on both the left and right sides of the holding area. This essentially enables a symmetrical snap-in connection on both the left and right sides between a snap-in geometry section and the holding element in relation to the holding area. The above-mentioned height direction is given when the insertion area and the holding area are arranged adjacent to one another in this respect. However, it is also possible for a different spatial direction, for example the width direction, to be provided here if the insertion area then adjoins the holding area in this horizontal direction. In principle, other installation positions can also be provided, so that the insertion area is then arranged differently. In particular, however, the insertion area is always arranged in line with the holding area.

[0020] In one embodiment, the mounting part with the snap-on geometry is manufactured as a single piece. Such a one-piece design reduces the number of components and enables a stable and fixed position of the snap-on geometry on the mounting part.

[0021] In one embodiment, the retaining element is designed as a T-shaped snap-in element. This T-shape enables particularly advantageous positioning in the passage and, on the other hand, achieves particularly advantageous snap-in engagement with the snap-in geometry. This is because a corresponding T-shaped stem can then be guided particularly advantageously in the narrow retaining area, while, on the other hand, the wings of the T-shaped roof projecting beyond this can each snap into snap-in geometry sections on both sides of this narrower retaining area.

[0022] In one embodiment, a T-shaped roof of the T-shaped snap-in element is snapped onto the snap-in geometry on both sides for passage on the outer side of the mounting part facing away from the wall. Such symmetrical snap-in allows for particularly precise and exact positioning and fixation of the light source module. This prevents undesirable tilting or similar effects.

[0023] In one embodiment, the mounting part is designed as an elongated rail. This also makes it possible to attach a longer light source module, in particular a light source module designed as a rail, and for this purpose, several feedthroughs and retaining elements are provided, which can be snapped onto the mounting part at several corresponding locations.

[0024] In one embodiment, the mounting part is angled in cross-section relative to its longitudinal axis. This increases the mechanical stability of the mounting part. Undesirable deformations can be avoided. This allows for particularly advantageous absorption of corresponding mounting forces when snapping onto the retaining element. Furthermore, this shape of the mounting part also enables it to be applied to different wall areas on the outer side of the inner container wall. This also allows for an advantageous and larger-area coupling of the mounting part to the wall, enabling a compact design of the assembly.

[0025] In particular, the mounting part is L-shaped in cross-section.

[0026] In one embodiment, the mounting part has a first L-shaped leg that is arranged so as to be adjacent to a first outer side of a first wall region of the wall. The mounting part also has a second L-shaped leg that is arranged so as to be adjacent to a second outer side of a second wall region of the wall. The first wall region and the second wall region are arranged at an angle to one another. Due to these complementary angled shapes between the mounting part and the wall, the mounting part can be attached to the outer side of the wall in a very space-saving and precise manner, especially if the wall is uneven in the mounting area. Furthermore, this embodiment ensures that the mounting part cannot slip on the wall in at least one spatial direction.

[0027] In one embodiment, the mounting part is made of metal or plastic. It is, in particular, formed in one piece.

[0028] In one embodiment, the light source module is designed as an elongated rail. Light sources of the light source module can preferably be designed as light-emitting diodes.

[0029] When the household refrigeration appliance is assembled, the outer wall of the inner container can be covered with a thermally insulating material, in particular rigid polyurethane foam. When the household refrigeration appliance is assembled, the mounting part can be embedded in or encased in the thermally insulating material.

[0030] The inner container can be made of plastic, in particular polystyrene, and can be produced by deep drawing or injection molding.

[0031] In one embodiment, the wall of the inner container has a receiving recess on its inner side facing the receiving space, into which the light source module is inserted. The receiving recess is preferably formed in one piece or integrally with the inner container. Thus, the light source module is recessed at least in some areas and does not protrude undesirably above or too far into the receiving space. Such an embodiment allows the light source module to be positioned more compactly. It is also mechanically more stable to mount and is better protected against impacts or the like.

[0032] In one embodiment, a housing wall of the light source module facing the receiving space is arranged flush with a wall region adjacent to the receiving recess at the front. As a result, the light source module is recessed into the receiving recess, as viewed in the width direction, so that there is no overhang. The aforementioned advantages are thus achieved to a significant degree.

[0033] A further aspect of the invention relates to a method for mounting a light source module on an inner container of a household refrigeration appliance. The household refrigeration appliance can be designed according to the above-mentioned aspect or an advantageous exemplary embodiment thereof. The light source module is guided to the wall from the inside and thus from the receiving space. The wall has at least one recess through which at least one holding element of the light source module is guided. The separate mounting part is arranged on the outside of the wall. A feedthrough in the mounting part is arranged at least partially aligned with the recess in the wall. When the holding element of the light source module is guided through the recess in the wall, this holding element is then also guided through the feedthrough, in particular a wide insertion area.Subsequently, the light source module is then moved in a direction perpendicular to the insertion direction, thereby inserting the retaining element, in particular with a T-shaped stem, from the insertion area into an adjacent, narrower retaining area of the feedthrough in the mounting part. In one exemplary embodiment, this movement simultaneously causes the retaining element, in particular the T-shaped roof of the T-shaped snap element, which is the retaining element, to snap into a snap geometry formed on the rear side of the mounting part.

[0034] Advantageous embodiments of the method are provided by advantageous embodiments of the household refrigeration appliance. The components of the household refrigeration appliance in question, either individually or in active connection, enable the respective assembly steps of the method to be carried out.

[0035] The terms "top", "bottom", "front", "back", "horizontal", "vertical", "depth direction", "width direction", "height direction" indicate the positions and orientations given during proper use and positioning of the device.

[0036] Embodiments of the invention are explained in more detail below with reference to schematic drawings. They show: Fig. 1 shows a schematic representation of an embodiment of a household appliance according to the invention; Fig. 2 shows a sectional view through a partial area of the household refrigeration appliance in which a light source module and a mounting part are arranged on a wall of an inner container; Fig. 3 shows a perspective view of a partial area of the wall of the inner container; Fig. 4 shows a perspective view of an embodiment of a mounting part; Fig. 5 shows a perspective sectional view through the arrangement according to Fig. 2; and Fig. 6 a partial perspective view of a mounted light source module on the wall with a holding element that is snapped onto a mounting part.

[0037] In the figures, identical or functionally identical elements are provided with the same reference symbols.

[0038] In Fig. 11 shows a perspective view of an embodiment of a household refrigeration appliance 1. The household refrigeration appliance 1 is designed for storing and preserving food. The household refrigeration appliance 1 can be a refrigerator, a freezer, or a fridge-freezer combination appliance. The household refrigeration appliance 1 has a housing 2. This housing 2 can also be referred to as an outer housing. The housing 2 has, for example, provided with reference numerals, at least the walls 6a, 6b, and 6c, which delimit a receiving space 3 of the household refrigeration appliance 1. The receiving space 3 is designed for storing food. It can be a refrigerator compartment or a freezer compartment.

[0039] In addition, the household refrigeration appliance has a door 4. This is intended to close the receiving compartment 3.

[0040] The household refrigeration appliance 1 further comprises at least one light source module 5. The light source module 5 is provided for illuminating the receiving space 3. It is arranged on a wall 6a, here, for example, the vertical side wall, of an inner container 6 of the household refrigeration appliance 1. The light source module 5 is designed here as an elongated rail and is oriented here, for example, in the vertical direction. The light source module 5 preferably comprises a plurality of light sources, in particular light-emitting diodes. It is arranged on an inner side 7 of the wall 6a.

[0041] In Fig. 2 is a partial representation of the household refrigeration appliance 1 according to Fig. 1 shown. A vertical section is shown here. The section plane is thus formed by the height direction (y-direction) and the width direction (x-direction).

[0042] As can be seen, the light source module 5 rests against the inner side 7 of the wall 6a. In the exemplary embodiment, the light source module 7 has at least one holding element 8, here two holding elements 8 and 9. These are arranged on the rear side. The holding elements 8 and 9 extend through recesses 10 ( Fig. 3 ) and 11 in the wall 6a. In the assembled state, these holding elements 8 and 9 extend on both sides of the wall 6a. They thus extend into a space between the inner container 6 and the outer housing 2. Thermally insulating material can preferably be arranged in this space.

[0043] It is also possible, as shown in the perspective view of a section of wall 6a in Fig. 3 It is shown that further recesses 12 and 13 are provided. Further retaining elements formed on the light source module 5 can then extend through these.

[0044] In addition, the household refrigeration appliance 1 has a mounting part 14, as shown in the sectional view in Fig. 2 is shown. The mounting part 14 is separate from the light source module 5 and the wall 6a. It is in particular a one-piece component. The mounting part 14 can also be referred to as a backing part. It is arranged outside the receiving space 3. In particular, it rests against an outer side 15 of the wall 6a facing away from the receiving space 3. The mounting part 14 also has a passage 16 through which the holding element 8 extends. In the exemplary embodiment, it has at least two passages 16 and 17 through which the holding elements 8 and 9 extend. The passages 16 and 17 are designed here as through holes.

[0045] In Fig. 3As already mentioned, a partial section of wall 6a is shown. In this exemplary embodiment, the area is not flat. Rather, it has a raised portion 18. This is a hump-like elevation. The recesses 10 to 13 are formed in this elevation 18.

[0046] In Fig. 4 1 shows a perspective view of an embodiment of the mounting part 14. Here, it is an elongated rail. It has a longitudinal axis A. The mounting part 14 is angled here. In particular, it is L-shaped. This L-shape is formed in cross-section perpendicular to the longitudinal axis A. Here, a first L-leg 19 and a second L-leg 20 arranged at an angle thereto are formed. In the mounted state, the first L-leg 19 rests on a first wall region 21 of this elevation 18. The second L-leg 20 rests on a second wall region 22 of this elevation 18.

[0047] The mounting part 14 has the previously described feedthroughs 16 and 17. The feedthrough 16 here has a wide insertion area 23. Adjacent to this is a narrower holding area 24 of the feedthrough 16. The feedthrough 17 is also designed accordingly.

[0048] As can also be seen, the mounting part 14 also has a snap geometry 25. The snap geometry 25 is formed on the first L-leg 19. It is formed integrally on an outer side 19a of the mounting part 14, in particular of the first L-leg 19, facing away from the wall 6a. This means that it is manufactured in one piece with the mounting part 14. The snap geometry 25 has at least one snap element. In particular, in the exemplary embodiment, it is designed as a multi-stage snap connection, which has at least two discrete snap stages. This is formed here by the ratchet-like structure of the plurality of snap elements 26, wherein in Fig. 4 only one of the snap elements is provided with the corresponding reference symbol.

[0049] According to the illustrated embodiment, the snap geometry 25 is formed by two separate snap geometry sections 25a and 25b. These are formed on the left and right sides directly adjacent to the narrower holding area 24. Viewed in the direction of the longitudinal axis A, the snap geometry 25 is not formed in the area in which the wider insertion area 23 extends. Only on both sides of the slot-like, narrower holding area 24 are the snap geometry sections 25a and 25b formed symmetrically. A corresponding design is realized in the feedthrough 17, as shown in Fig. 4 can be seen.

[0050] During assembly, the mounting part 14 is arranged on the elevation 18. The light source module 5 is arranged on the opposite side of the wall 6a. For this purpose, the holding element 8 and the holding element 9 are guided through the recess 10 and the recess 11. Since the recesses 10 and 11 on the respective outer side 15 of the wall 6a are aligned with the passages 16 and 17, the holding element 8 is then guided through the insertion area 23 and the holding element 9 through the corresponding insertion area of the passage 17. Once this intermediate assembly state has been reached, the light source module 5 is subsequently moved downwards perpendicular to this insertion direction, in the exemplary embodiment in the direction of the longitudinal axis A. This means that the holding element 8 and the holding element 9 are guided from the respective insertion areas 23 into the respective narrower holding areas.This also causes snapping areas 8a and 9a (. Fig. 2 ) of the holding elements 8 and 9 on these respective snap geometries 25 or on the corresponding snap geometry in the area of the leadthrough 17. The holding elements 8 and 9 are designed in the exemplary embodiment as T-shaped snap elements. In this context, they have a T-roof 8b or 9b ( Fig. 2 ). Furthermore, they have a T-strain 8c ( Fig. 5 ). The T-roof 8b is snapped to the snap-fit geometry sections 25a and 25b. The same is achieved with the T-roof 9b with the corresponding snap-fit geometry in the feedthrough 17.

[0051] In Fig. 5 is a perspective sectional view of the arrangement according to Fig. 2 shown.

[0052] In Fig. 6 is a perspective view of the arrangement according to Fig. 2shown, wherein here the upper part of the mounting part 14 is viewed and the snapped state of the holding element 8 with the snap geometry sections 25a and 25b can be seen. List of reference symbols 1 Household refrigeration appliance 16 Implementation 2 Housing 17 Implementation 18 2a side wall 19 L-leg 3 recording room 19a outside 4 Tür 20 L-leg 5 Light source module 21 Wall area 6 inner container 22 Wall area 6a, 6b, 6c walls 23 insertion area 7 inside 24 Holding area 8 Holding element 25 Snap geometry 8a Snap area 25a, 25b 8b T-roof Snap geometry section 8c T-stem e 9 Holding element 26 Snap elements 9a Snap area x Latitude direction 9d T-roof y Altitude direction 10 recess A Longitudinal axis 11 recess 12 recess 13 recess 14 Assembly part 15 outside

Claims

1. Household refrigeration appliance (1) with an internal container (6), which delimits a receiving space (3) for food of the household refrigeration appliance (1) with walls (6a, 6b, 6c), wherein at least one wall (6a, 6b, 6c) has at least one cutout (10, 11, 12, 13), on which a light source module (5) of the household refrigeration appliance (1) is arranged, wherein the light source module (5) has at least one retaining element (8, 9), which for retaining purposes reaches through the cutout (10 to 13), wherein the household refrigeration appliance (1) has an additional, separate mounting part (14), which is arranged on the exterior (15) of the wall (6a, 6b, 6c) facing away from the receiving space (3), wherein the retaining element (8, 9) is coupled to the mounting part (14) in order to retain the light source module (5), the mounting part (14) has a snap-fit geometry (25), with which the retaining element (8, 9) is snap-fitted for retaining purposes, characterised in that the snap-fit geometry (25) has at least one feedthrough (16, 17), through which the retaining element (8, 9) extends so that it extends on both sides of the feedthrough (16, 17) in the direction of a locking hole (B) of the feedthrough (16, 17), wherein the retaining element (8, 9) is snap-fitted onto the exterior (19) of the mounting part (14) facing away from the exterior (15) of the wall (6a, 6b, 6c).

2. Household refrigeration appliance (1) according to claim 1, characterised in that the snap-fit geometry (25) is a multi-step snap-fit, which has at least two discrete snap-fit stages with which the retaining element (8, 9) can snap fit.

3. Household refrigeration appliance (1) according to claim 1 or 2, characterised in that the snap-fit geometry (25) is a snap-fit staircase, which has snap-fit stages (26), which are arranged at different distances from the exterior (15) of the internal container (6).

4. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the feedthrough (16, 17) has a wide insertion region (23) for inserting the retaining element (8, 9) and a narrower retaining region (24) adjoining the insertion region (23), wherein the snap-fit geometry (25) is arranged on the mounting part (14) to the side of the retaining region (24), in particular only to the side of the retaining region (24).

5. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the mounting part (14) with the snap-fit geometry (25) is manufactured as one piece.

6. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the retaining element (8, 9) is a T-shaped snap-fit element.

7. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that a T-top (8b) of the T-shaped snap-fit element on both sides with respect to the feedthrough (16, 17) is snap-fitted onto the exterior (19a), facing away from the wall (6a, 6b, 6c), of the mounting part (14) with the snap-fit geometry (25), in particular separate snap-fit geometry sections (25a, 25b).

8. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the mounting part (14) is an elongated rail.

9. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the mounting part (14) is embodied at an angle, in particular has an L-shape in the cross-section.

10. Household refrigeration appliance (1) according to claim 9, characterised in that the mounting part (14) with a first L-limb (19) is arranged resting against a first exterior of a first wall region (21) of the wall (6a, 6b, 6c), and the mounting part (14) with a second L-limb (20) is arranged resting against a second exterior of a second wall region (22) of the wall (6a, 6b, 6c), wherein the first wall region (21) and the second wall region (22) are arranged at an angle to one another.

11. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the mounting part (14) is made of metal or plastic.

12. Household refrigeration appliance (1) according to one of the preceding claims, characterised in that the light source module (5) is a rail and / or has light-emitting diodes as light sources.

13. Method for mounting a light source module (5) on an internal container (6) of a household refrigeration appliance (1), in which the light source module (5) with at least one retaining element (8, 9) is guided through a cutout (10 to 13) in the wall (6a, 6b, 6c) of the internal container (6), and reaches through a feedthrough (16, 17) in a separate mounting part (14), which is arranged on an exterior (15) of the wall (6a, 6b, 6c), wherein with a further mounting movement of the light source module (5) the light source module (5) is moved relative to the mounting part (14), by the light source module (5) moving at a right angle to the insertion direction and as a result the retaining element (8, 9) is inserted from the insertion region into a narrower retaining region (24), adjoining thereto, of the feedthrough (16, 17) in the mounting part (14), and in the process the retaining element (8, 9) with the snap-fit geometry (25) is then snap-fitted on the mounting part (14).

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