Partition wall for a motor vehicle and motor vehicle having a partition wall

Abstract

The invention relates to a partition wall (10) for a motor vehicle, which is designed to acoustically and / or thermally separate an engine compartment of the motor vehicle from a passenger compartment of the motor vehicle, comprising a first component (12) having an insulating material with an insertion slot (18) and a second component (14) having an insulating material, which is inserted into the insertion slot (18) in an insertion direction (16) and clamped therein.

Description

Technical Field

[0001] The present invention relates to a partition wall for a motor vehicle and a motor vehicle having the partition wall. Background Technology

[0002] US2014 / 0299403A1 discloses a structurally soundproof cover for an engine compartment (or motor compartment), mounted on a vehicle frame at the rear of an engine compartment housing an engine. The structure comprises two or more component elements detachably connected to each other and forming a plate-like soundproof cover. The cover is mounted on the vehicle frame such that one side of the cover faces the engine and the other side faces the interior space of the vehicle containing the engine compartment. Each component element may have a flange section formed along its edge. This flange section has a groove into which an end of an adjacent component element can be inserted. With the end of the adjacent component element inserted into the groove of the flange section, the component elements are coupled by means of a fixing element passing through the flange section and the end of the adjacent component element. Summary of the Invention

[0003] The objective of this invention is to provide a partition wall for a motor vehicle and a motor vehicle having the partition wall, which enable occupants to have particularly good access to the engine compartment of the motor vehicle.

[0004] According to the present invention, this task is accomplished by a partition wall for a motor vehicle and by a motor vehicle having the partition wall. Other possible designs of the invention are disclosed in the specification and drawings.

[0005] This invention relates to a partition wall for a motor vehicle, designed to noiselessly and / or insulatingly or thermally separate the engine compartment from the passenger compartment. This means the partition wall is a so-called second front bulkhead. The partition wall is positioned between the actual front bulkhead of the motor vehicle and the engine. Specifically, the partition wall may have a plastic component, with a foam layer and aluminum foil applied to the plastic component. The partition wall is designed to insulate against sound, heat, and exhaust gases from entering the passenger compartment air intake. The partition wall may extend laterally within the various strut housings of the motor vehicle. Furthermore, the partition wall may be fixed to the upper front bulkhead crossbeam and the engine crossbeam of the motor vehicle.

[0006] To enable particularly good access to the area of ​​the vehicle separated by the partition wall for maintenance work, the partition wall is specified to have a first component and a second component designed for reversible interconnection. Both the first and second components are made of insulating material. Thus, the first component provides a first partition wall region or section, and the second component provides a second partition wall region or section. The first component has an insertion slot, and to provide the partition wall, the second component is inserted into and clamped therein along the insertion direction. Therefore, to provide the partition wall, the first and second components are held together by frictional locking. The insertion direction of the second component into the insertion slot of the first component extends from the insertion opening of the insertion slot toward the bottom of the insertion slot. Providing the partition wall by inserting the second component into the insertion slot of the first component and holding the components together by clamping them together allows for a particularly simple provision of the partition wall while simultaneously holding the first component particularly reliably on the second component. Therefore, by providing the partition wall through a particularly simple connection technique between the first and second components, the partition wall can be provided at a particularly low cost. Furthermore, the first component in the isolation block can be detached from the second component particularly easily, thereby making the engine compartment particularly easy to access for maintenance work.

[0007] In a further improvement of the invention, the first member has a recess that interrupts the insertion groove, and a protrusion of the second member engages in this recess along the insertion direction. Here, the protrusion can particularly provide the foremost edge of the second member along the insertion direction. The corresponding wall of the first member defining the recess provides a lateral stop for the second member, particularly for the protrusion of the second member, thereby achieving lateral fixation of the second member relative to the first member by the protrusion abutting against the wall of the laterally defining recess of the first member. Abutting the protrusion of the second member against the walls of the corresponding laterally defining recesses of the first member in opposite directions allows for fixation of the first member relative to the second member along a first spatial direction inclined to, and particularly perpendicular to, the insertion direction. If the insertion direction of the second member into the insertion groove extends in the longitudinal direction of the vehicle, then in the mounting position of the partition wall, the first spatial direction can be the lateral direction of the motor vehicle. Stopping the protrusion against the wall of the defining recess of the first member at least substantially prevents the second member from sliding out of the insertion channel along the longitudinal extension direction of the insertion channel. Thus, the second member is held particularly reliably on the first member.

[0008] In another design of the invention, the insertion slot has a cross-section that gradually narrows along the insertion direction, thereby fixing the first member relative to the second member in a spatial direction inclined to, and particularly perpendicular to, the insertion direction, especially a second spatial direction. In other words, the width of the insertion slot narrows along the insertion direction, particularly along the depth direction of the insertion slot. The depth direction extends from the insertion opening of the insertion slot toward the bottom of the insertion slot. Specifically, the depth direction coincides with the insertion direction. The gradually narrowing cross-section of the first member along the insertion direction enables the second member to reliably abut against the sidewall of the first member defining the insertion slot when the second member is inserted into the insertion slot along the insertion direction, thereby allowing the second member to form a frictional engagement with the sidewall of the first member and thus be clamped in the insertion slot. The second spatial direction extends inclined to, and particularly perpendicular to, the first spatial direction. In the installation position of the partition wall, when the insertion direction is oriented in the longitudinal direction of the vehicle, the second spatial direction extends in the vehicle height direction of the motor vehicle. Therefore, the second member is fixed relative to the first member in the vehicle height direction by abutting against the sidewall of the first member defining the insertion slot. When the insertion direction is oriented in the longitudinal direction of the vehicle, the sidewalls, particularly on the opposite sides, define the insertion slots, especially upwards and downwards in the vehicle height direction. The gradually narrowing cross-section of the insertion slots enables the second member to be clamped particularly easily into the insertion slots of the first member.

[0009] In another embodiment of the invention, the second member has a rib extending parallel to the front edge of the second member in the insertion direction and clamping into the insertion groove. Specifically, the second member is clamped into the insertion groove by forming a frictional engagement between the rib and at least one sidewall of the groove. The rib may, in particular, have a height that rises in the opposite direction to the insertion direction, thereby ensuring that the rib reliably abuts against the sidewall of the insertion groove when the second member is inserted into the insertion groove of the first member. With the second member inserted into the first member, the rib may extend parallel to the insertion groove in the longitudinal direction of the insertion groove. This ensures that, with the second member inserted into the first member, the rib is reliably inserted into the insertion groove at least substantially along its entire length, thereby reliably holding the second member onto the first member.

[0010] In another embodiment of the invention, a first sidewall element defining an insertion groove on a first side of the first member is configured with a first elasticity, and a second sidewall element defining an insertion groove on a second side of the first member opposite to the first side is configured with a second elasticity greater than the first elasticity. Specifically, the first sidewall element can provide a first sidewall defining the insertion groove on the first side, and the second sidewall element can provide a second sidewall defining the insertion groove on a second side opposite to the first side. Thus, the first sidewall element provides a reliable and fixed abutment surface for the second member, wherein the second sidewall element is configured to bend the second member when it is inserted into the insertion groove in the insertion direction. The bending of the second sidewall element ensures that the second member can be inserted into the insertion groove in the insertion direction until a predetermined final position is reached. By pre-determining the second elasticity of the second sidewall element, the clamping action of the sidewall element on the second member inserted into the insertion groove can be pre-determined. The frictional locking force and thus the retaining force of the second member on the first member can be precisely adjusted by correspondingly adjusting the first and second elasticities of the respective sidewall elements.

[0011] In another embodiment of the invention, the first and second components are fixed to each other along the insertion direction via a fixing portion arranged outside the insertion slot. This means that, in addition to the clamping connection within the insertion slot, the first and second components are held relative to each other in a predetermined orientation or position by the fixing portion provided outside the insertion slot. Therefore, the first and second components not only clamp each other but are also fixed to each other along the insertion direction. This ensures that the second component is held particularly reliably on the first component, thereby at least substantially preventing the components from undesirably detaching from each other.

[0012] In one improved embodiment, to provide the fixing portion, the first member has a locking protrusion that abuts against the stop portion of the second member. Specifically, the locking protrusion extends from the first member at an angle, particularly perpendicular to the insertion direction, and abuts against the stop portion of the second member along the insertion direction, thereby fixing the members relative to each other along the insertion direction and at least substantially preventing movement of the second member relative to the first member along the insertion direction. Thus, at least substantially preventing the second member from disengaging from the insertion slot of the first member while the locking protrusion abuts against the stop portion. To release the members from each other, the fixing portion is first released, and subsequently the clamping connection of the members can be released to separate the second member from the first member. Therefore, targeted separation of the members from each other can be achieved particularly simply, wherein undesirable separation of the members from each other can be prevented particularly reliably. In a design alternative to a first member having a locking protrusion and a second member having a stop, the second member may have a locking protrusion and the first member may have a stop, with the locking protrusion of the second member abutting against the stop to provide a fixing portion.

[0013] Furthermore, the present invention also relates to a motor vehicle with a partition wall, as described in connection with the partition wall of the present invention. The partition wall can be arranged between the front bulkhead of the motor vehicle and the engine of the motor vehicle, by means of which the motor vehicle, particularly an internal combustion engine, can be driven. The partition wall of the motor vehicle enables particularly easy access to the engine compartment, particularly the engine, for occupants, wherein the first and second components of the partition wall are held together particularly simply and reliably. The advantages and further improvements of the partition wall according to the invention can be considered as advantages and further improvements of the motor vehicle according to the invention, and vice versa.

[0014] In a further improvement of the invention, the second component is arranged above the first component in the vehicle height direction. Therefore, the engine compartment or engine can be accessed from above particularly easily by detaching the second component from the first component. Furthermore, in its arrangement where the components are arranged overlapping each other in the vehicle height direction, they can be separated from each other from above via an open engine hood particularly easily.

[0015] In another embodiment of the invention, the second member is inserted into the insertion slot of the first member at least substantially in the vehicle's longitudinal direction, which is the insertion direction. Thus, the members can be connected to each other by providing a clamping connection or separated by releasing the clamping connection, particularly easily, through relative movement of the members in the vehicle's longitudinal direction. Therefore, the partition wall can be provided particularly simply, and by separating the second member from the first member in a particularly simple way, it enables particularly good access for personnel to the separable area of ​​the engine compartment. Attached Figure Description

[0016] Other features of the invention can be derived from the accompanying drawings and description. The features and combinations thereof mentioned above in the specification, as well as the features and combinations thereof shown separately in the description and / or accompanying drawings, may be used not only in the given combinations, but also in other combinations or individually, without departing from the scope of the invention. In the drawings:

[0017] Figure 1 The diagram shows a top view of a partition wall for a motor vehicle, which provides noise reduction and / or heat insulation between the engine compartment and the passenger compartment. The partition wall includes a first partition wall section provided by a first member and a second partition wall section provided by a second member connected to the first member.

[0018] Figure 2 A schematic cross-sectional view of the connection region is shown, in which a second member is inserted into and clamped within an insertion slot of a first member, and the second member and the first member are connected via a clamping connection.

[0019] Figure 3 A side view of a portion of a partition wall is shown, in which components are held together by forming a fixing part, wherein the first component has a locking protrusion that abuts against a stop provided by a second component, thereby fixing the components together in an insertion direction in which the second component is inserted into an insertion slot of the first component. Detailed Implementation

[0020] In the accompanying drawings, identical and functionally identical elements are given the same reference numerals.

[0021] exist Figure 1The diagram shows a partition wall 10 for a motor vehicle. The partition wall 10 provides sound and / or heat insulation between the engine compartment and the passenger compartment of the motor vehicle. For this purpose, the partition wall 10 includes heat-insulating and / or sound-insulating materials. To allow for particularly good access to the engine compartment of the motor vehicle by occupants, the partition wall 10 is currently constructed in two parts. That is, the partition wall 10 includes a first member 12 having insulating material and a second member 14 having insulating material. Here, the first member 12 and the second member 14 may include the same insulating material or may include different insulating materials. To provide the partition wall 10, the first member 12 and the second member 14 are interconnected, wherein the second member 14 should be detached from the first member 12 in order to access the area of ​​the motor vehicle engine compartment separated by the partition wall 10. In the present case, the first member 12 and the second member 14 are arranged overlapping each other in their mounting positions in the motor vehicle. Here, the second member 14 is arranged above the first member 12 in the vehicle height direction z, thereby detaching the second member 14 from the first member 12 for access to the area of ​​the engine compartment separated by the partition wall 10 from above.

[0022] With components 12 and 14 interconnected, the second component 14 is inserted into the insertion slot 18 of the first component 12 along the insertion direction 16. The second component 14 is clamped in the insertion slot 18 of the first component 12. The depth direction 20 of the insertion slot 18 coincides with the insertion direction 16, and the depth direction extends from the insertion opening 22 of the insertion slot 18 to the bottom 24 of the insertion slot 18, through which the second component 14 can be inserted into the insertion slot 18 along the insertion direction 16. The insertion direction 16 extends in the longitudinal direction x of the vehicle.

[0023] The insertion slot 18 is defined on each side (in the present case, on its upper and lower sides) by a first sidewall element 26 and a second sidewall element 28. The first sidewall element 26 provides a first sidewall 30 for the insertion slot 18, and the second sidewall element 28 provides a second sidewall 32 for the insertion slot 18. Here, the first sidewall 30 and the second sidewall 32 define the insertion slot 18 upward and downward along the vehicle height direction z to opposite sides. In the present case, the insertion opening 22 is configured to gradually narrow along the depth direction 20. This means that a first distance between the first sidewall 30 and the second sidewall 32 in a first region is greater than a second distance between the first sidewall 30 and the second sidewall 32 in a second region of the insertion slot 18, which is arranged closer to the bottom 24 of the insertion slot 18 than the first region of the insertion slot 18. By the gradual narrowing of the insertion slot 18 along the depth direction 20, the second member 14 can be clamped by the sidewalls 30, 32 of the insertion slot 18 when pushed into the insertion slot 18 along the insertion direction 16. Therefore, the second member 14 rests against the first sidewall 30 and the second sidewall 32 when it is inserted into the insertion slot 18. To ensure that the second member 14 reliably rests against the sidewalls 30 and 32 of the insertion slot 18, it is specified that the first sidewall element 26 is configured with a first elasticity and the second sidewall element 28 is configured with a second elasticity greater than the first elasticity. By selecting the corresponding elasticity of the sidewall elements 26 and 28, or by setting the difference between the elasticities of the sidewall elements 26 and 28, the retaining force of the clamping connection of the second member 14 on the first member 12 can be adjusted through the insertion slot 18.

[0024] To ensure that the second member 14 is reliably abutted against the sidewalls 30, 32 of the insertion slot 18, given its particularly small thickness, the second member 14 is provided with a rib 34. This rib 34 extends parallel to the front edge of the second member 14 along the insertion direction 16 and is insertable into the insertion slot 18 to connect members 12, 14 to the partition wall 10. Therefore, with the first member 12 and the second member 14 connected, the rib 34 is at least partially arranged in the insertion slot 18 and abuts against at least one of the sidewalls 30, 32 of the insertion slot 18. The clamping connection provided by the insertion slot 18 between the first member 12 and the second member 14 enables the fixation of the second member 14 relative to the first member 12 in the vehicle height direction z, as is currently defined.

[0025] In order to secure the second component 14 relative to the first component 12 in the vehicle lateral direction y, the second component 14 has a protrusion 36. This protrusion 36 can be inserted into a recess 38 that interrupts the insertion slot 18 of the first component 12, particularly when providing a clamping connection between components 12 and 14. To secure the second component 14 relative to the first component 12 in the vehicle lateral direction y, the protrusion 36 abuts against the wall 40 of the corresponding side-limiting recess 38 of the first component 12 in the vehicle lateral direction y. Specifically, when the second component 14 is inserted in the insertion direction 16, the protrusion 36 is pushed into the recess 38 in the insertion slot 18 of the first component 12. Thus, the second component 14 can be secured not only in the vehicle height direction z but also in the vehicle lateral direction y through its connection with the first component 12.

[0026] To achieve fixation of the second member 14 relative to the first member 12 in the vehicle longitudinal direction x and thus in the third spatial direction, a fixing portion 42 is provided outside the insertion slot 18. To provide the fixing portion 42, the first member 12 has a locking protrusion 44. Here, the locking protrusion 44 extends from the first member 12 toward the second member 14 in the vehicle height direction z and thus upwards. The second member 14 provides a stop 46 on which the locking protrusion 44 can be supported along the insertion direction 16. This stop 46 is provided here by an extension of the second member 14. Alternatively, the stop 46 can be provided by a wall defining an opening in the second member 14. Fixing the second member 14 relative to the first member 12 along the insertion direction 16 by abutting the locking protrusion 44 allows for fixation of the second member 14 relative to the first member 12 along the insertion direction 16. In the present case, the second member 14 is fixed along the insertion direction 16 by both the bottom 24 of the insertion slot 18 and the locking protrusion 44. In other words, the second component 14 is restricted in its forward motion via the insertion slot 18 and thus fixed in the longitudinal direction x of the vehicle, and its backward motion is restricted in the longitudinal direction x of the vehicle via the locking protrusion 44 and thus fixed in the longitudinal direction x of the vehicle.

[0027] With the first member 12 and the second member 14 connected, they are fixed to each other relative to each other in a first spatial direction by means of the insertion slot 18, relative to each other in a second spatial direction by means of the protrusion 36, and relative to each other in a third spatial direction by means of the locking protrusion 44, wherein these spatial directions are oriented obliquely to each other, and in particular perpendicularly to each other. The connection of the described members 12, 14 enables the provision of the isolation wall 10 particularly easily by connecting the first member 12 and the second member 14, and makes the isolation wall 10 particularly easy to access due to the possibility of particularly easy separation of the second member 14 from the first member 12.

[0028] In summary, the present invention demonstrates how a sealing scheme for a second front bulkhead can be implemented.

[0029] List of reference numerals

[0030] 10 isolation walls

[0031] 12 First Component

[0032] 14 Second Component

[0033] 16. Insertion direction

[0034] 18 Insertion Slots

[0035] 20 Depth Direction

[0036] 22 Insertion opening

[0037] 24 bottom

[0038] 26 First sidewall element

[0039] 28 Second sidewall element

[0040] 30 First sidewall

[0041] 32 Second sidewall

[0042] 34 ribs

[0043] 36 protrusions

[0044] 38 concavity

[0045] 40 walls

[0046] 42 Fixing part

[0047] 44 locking protrusions

[0048] 46 Stop section

[0049] x Vehicle longitudinal direction

[0050] y vehicle lateral direction

[0051] z Vehicle height direction

Claims

1. A partition wall (10) for a motor vehicle, the partition wall being designed to soundlessly and / or thermally insulately separate the engine compartment of the motor vehicle from the passenger compartment of the motor vehicle, the partition wall comprising a first member (12) having an insertion groove (18) and a second member (14) having an insulating material, the second member being inserted into and clamped in the insertion groove (18) along an insertion direction (16), the first member (12) having a recess (38) that interrupts the insertion groove (18), a protrusion (36) of the second member (14) engaging in the recess along the insertion direction (16), the protrusion (36) abutting against a wall (40) of the first member (12) that laterally limits the recess (38) in the vehicle lateral direction (y), the first member (12) and the second member (14) being fixed to each other along the insertion direction (16) via a fixing portion (44) arranged outside the insertion groove (18).

2. The isolation wall (10) according to claim 1, characterized in that, The insertion slot (18) has a cross-section that gradually narrows along the insertion direction (16), thereby fixing the first member (12) relative to the second member (14) in a spatial direction inclined to the insertion direction (16).

3. The isolation wall (10) according to claim 2, characterized in that, The first component (12) is fixed relative to the second component (14) in a spatial direction perpendicular to the insertion direction (16).

4. The isolation wall (10) according to any one of claims 1 to 3, characterized in that, The second member (14) has a rib (34) that extends parallel to the front edge of the second member (14) along the insertion direction (16) and clamps in the insertion groove (18).

5. The isolation wall (10) according to any one of claims 1 to 3, characterized in that, The first sidewall element (26) of the first member (12) defining the insertion groove (18) on the first side is configured with a first elasticity, and the second sidewall element (28) of the first member (12) defining the insertion groove (18) on the second side opposite to the first side is configured with a second elasticity greater than the first elasticity.

6. The isolation wall (10) according to any one of claims 1 to 3, characterized in that, In order to provide the fixing part (44), the first member (12) has a locking protrusion (44) that abuts against the stop part (46) of the second member (14).

7. A motor vehicle having a partition wall (10) according to any one of claims 1 to 6.

8. The motor vehicle according to claim 7, characterized in that, The second component (14) is arranged above the first component (12) in the vehicle height direction (z) of the motor vehicle.

9. The motor vehicle according to claim 7 or 8, characterized in that, The second component (14) is inserted into the insertion slot (18) of the first component (12) in the vehicle longitudinal direction (x), which is the insertion direction (16).

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