WO2018166721A1

WO2018166721A1 - Cover and system for a vehicle roof

Info

Publication number: WO2018166721A1
Application number: PCT/EP2018/053079
Authority: WO
Inventors: Michael Schönberger
Original assignee: Webasto SE
Priority date: 2017-03-13
Filing date: 2018-02-07
Publication date: 2018-09-20
Also published as: DE102017105268A1; CN110402205A

Abstract

The invention relates to a cover for a vehicle roof (101), having: a pane (102), a drive fastening (103), which is fastened to the pane (102), an element (104) of a drive (105) for a movable roof element (106), wherein the drive fastening (103) is formed from a plastic (107) foamed to the pane (102) and the element (104) is fastened to the pane (102) by means of the drive fastening (103).

Description

description

The invention relates to a cover for a vehicle roof and to a system for a vehicle roof with such a roof

Lid.

A cover for a vehicle roof, in particular a glass cover, may have a border made of a PU foam. In addition, fasteners for a motor and

Guide elements for a drive cable to the lid

be attached, for example, a roller blind. For this example, plastic frame parts or steel or

Plastic tube used, which are glued or screwed to the lid.

It is desirable to provide a cover for a vehicle roof that is easy to manufacture and inexpensive. In addition, it is desirable to provide a system with such a lid that is simple and inexpensive.

One aspect of the invention relates to a lid for a

Vehicle roof. The lid has a disc. The lid has a drive attachment secured to the disc. The lid has an element of a drive for a movable roof element. The drive attachment is made of a foamed plastic on the disc

educated. The element is attached to the disc by means of the drive attachment.

The lid is for example part of a panoramic roof or a fixed glazing and, for example, not in operation movable relative to the rest of the vehicle roof, but arranged stationary. The disc is in particular a glass pane. The drive attachment is directly to the disc

foamed. Thus, it is possible to dispense with additional adhesions or other mechanical fastenings, such as screw connections. The plastic of the drive attachment is in

direct contact with the disc.

The drive attachment is used in particular to one element or more elements of the drive to the disc

Fasten. Due to the direct foaming, too

Gating mentioned, the drive attachment to the disc can be compared to conventional glued or

bolted fasteners space, especially in the vertical, can be saved. Furthermore, a

foamed plastic as drive attachment

cheaper than conventional bonding or

Glands. The assembly effort in the production of the lid is reduced. The manufacturing facilities are cheaper. In addition, the drive attachment and the entire lid can be produced with smaller tolerances.

According to embodiments, the drive attachment has two projecting in a first direction away from the disc

Areas on. The drive attachment has a

reset area on. The recessed area is arranged between the projecting areas. The element is mounted in the recessed area. In particular, the element is movably disposed in the recessed area relative to the drive attachment. This is

For example, the case when the element is a drive cable of the drive. The drive cable is from the projecting areas. The drive cable can also be referred to as drive cable or drive belt.

According to embodiments, the drive cable is arranged directly in the drive attachment and at least partially in contact with the plastic. The cable is guided without further guide elements directly from the foamed plastic. According to further embodiments, a guide tube is arranged in the drive attachment. The drive cable is arranged in the guide tube. Thus, the drive cable

at least in sections not directly in contact with the plastic, but the guide tube is between the

Drive cable and the plastic arranged. According to

Embodiments is the drive cable in one

Section in contact with the plastic and in another section, the guide tube is provided, in which the

Drive cable is guided.

The guide tube is clipped, for example, in the foamed plastic. According to embodiments, the protruding areas engage behind the guide tube for this purpose. Along the guide tube, it is possible that the

Behind the entire length or almost the entire length of the guide tube takes place. It is also possible that behind the guide tube, the engaging behind sections. In particular, then several to each other

formed spaced areas, each of which

Reach behind guide tube. There is no grip between these areas. According to further embodiments, the guide tube during manufacture

foamed with. The element of the drive, which is fixed by the drive attachment to the disc, is according to others

Embodiments alternatively or additionally

Electric motor. For example, the electric motor is provided to move the drive cable. The electric motor and the drive cable are engaged with each other.

According to embodiments, the drive attachment to a holding member which is formed separately from the foamed plastic and which is coupled to the plastic to secure the element to the disc. For example, a lid is provided which is screwed to the foamed plastic. The lid is made for example of a different material than the foamed plastic. The retaining element can also be a screw which is screwed into a corresponding thread, which is arranged in the foamed plastic. The screw in turn serves to hold the element of the drive, such as the electric motor.

The movable roof element according to embodiments has a sunshade. The sunscreen is for example a roller blind or a sliding sky. The roller blind can be pulled out or rolled in in particular by the drive. The sliding headliner is displaceable, for example, by the drive relative to the disk.

The foamed plastic contains, for example

Polyurethane. According to further embodiments, the foamed plastic is a polyurethane. Another aspect of the invention relates to a system for a vehicle roof. The system has a cover according to the application according to at least one embodiment. The system has a guide rail. The guide rail is attached to the disc. The system has the mobile

Roof element, which is guided in the guide rail. The movable roof element is relative to the disc in

different positions movable. The movable roof element is coupled to the element of the drive. The drive is configured to move the roof element relative to the disk.

The guide rail is for example on the disc

glued. The drive cables also run inside the guide rail, starting from the drive attachment.

In particular, two guide rails are provided, on both sides of the lid. The drive cables are relative to the

Sliding guide rail. The drive cables are coupled to the movable roof element to control the movement of the

Roof element to drive relative to the disc.

For example, a sliding sky is moved in the guide rails. For example, a roller blind is with his

Rollowickel arranged at one end of the guide rails and extendable starting from a jam condition along the guide rail.

Further advantages, features and developments will become apparent from the following, in conjunction with the figures

explained examples. Identical, similar and equally acting elements can be provided with the same reference numerals.

Show it: 1 shows a schematic representation of a part of a vehicle according to an exemplary embodiment, FIG. 2 shows a schematic illustration of a system for a vehicle roof according to an exemplary embodiment,

FIG. 3 shows a schematic representation of part of a cover according to an exemplary embodiment,

Figure 4 is a schematic representation of another part of a lid according to an embodiment, and

Figure 5 is a schematic representation of another part of a lid according to an embodiment.

Figure 1 shows a section of a vehicle 100. The vehicle 100 has a vehicle roof 101, on which a cover 117 is arranged. The lid 117 is according to

Embodiment relative to the rest of the vehicle roof 101 immovably arranged. The lid 117 is part of a panorama roof or a solid glass roof, for example.

FIG. 2 shows a schematic representation of the cover 117 as part of a system 200 for the vehicle roof 101.

The lid 117 has a disk 102. The pane 102 is in particular a glass pane, a plastic pane or a combination thereof. The disk 102 is

especially transparent to visible light. The disk 102 may also have a tint. The disk 102 has a main surface 108. The

Main surface 108 is in the operation of the vehicle 100 the

Interior of the vehicle 100 faces. The major surface 108 of the disc 102 has the largest extent compared to the side surfaces. In particular, the extends

Main surface 108 along the XY plane in Figure 2.

The lid 108 has a foam casing 118 made of plastic 107. This is in particular attached to outer edges of the disc 102. The foam can also be called encapsulation. The foam around 118 is formed for example of a polyurethane, also called PU plastic or PUR plastic. Other materials for the plastic 107 are possible.

In addition to the foam 118 is a

Drive attachment 113 foamed to the main surface 108 of the disc 102. The drive attachment 103 is formed from a plastic and, for example, a

foamed or molded PU plastic formed. Due to the foaming of the plastic 107 of

Drive attachment 103 on the disc 102 holds the

Drive attachment 103 on the main surface 108 without further fasteners such as glue or screws.

The drive attachment 103 is used for attachment of one or more elements 104 of a drive 105. The drive 105 is used for example for moving a

movable roof member 106 relative to the disc 102 during operation of the vehicle 100. The movable roof member 106 is, for example, a roller blind 116, the extraction or curling by means of the drive 105 is controllable. The movable roof member 106 is according to others Embodiments another shading element, such as a headliner.

The drive 105 is, for example, an electric drive, which has an electric motor 114 and one or more

Drive cable 112 has. The electric motor 114 is

For example, in engagement with the drive cable 112, so that a rotational movement of a portion of the electric motor 114 leads to a translational displacement of the drive cable 112 relative to the disc 102. The shift of

Drive cable 112 in turn has a movement of the

Roof element 106 result. The roof member 106 is connected to the drive cable 112. For example, these are

Drive cable 112 and the roof element 106 in

Guide rails 119 out.

According to embodiments, the drive attachment 103 and the foam 118 in a common

Step foamed to the disk 102. In this case, for example, one or more foam bridges 120

be formed. According to further embodiments, the drive attachment 103 is manufactured in a separate operation. For example, in one step, the foam 118 is foamed to the disc. In one

separate step, for example, in another

Tool, the drive attachment 103 is foamed to the disc 102. For example, it is then possible to dispense with the foam bridge 120. Figure 3 shows a sectional view of the lid 117 according to an embodiment. At the edge of the disc 102, the foam 118 is arranged. In the X or Y direction offset to the

Drive attachment 103 to the main surface 108 to the disc

102 foamed.

In the illustrated embodiment, a guide tube 113 is coupled to the drive attachment 103. The

Drive attachment 103 fastens the guide tube 113 to the disc 102. For example, the guide tube 113 is clipped into the finished foamed drive attachment 103.

According to further embodiments, the guide tube 113 already during the foaming of the drive attachment

103 arranged and foamed by the plastic 107. The guide tube 113 is used in particular for guiding the

Drive cable 112. The drive cable 112 extends inside the guide tube 113 and is movable relative to the guide tube 113. For holding the guide tube 113, the

Drive attachment 103 two projecting portions 109 and 110 on. The protruding portions project from the main surface 108 in the negative Z direction. In the X or Y direction between the projecting portions 109 and 110, a recessed portion 111 is disposed. Thus, a reliable attachment of the element 104, for example, the guide tube 113, is ensured on the disc 102, at the same time low space requirement, in particular in the Z direction. The X-direction, the Y-direction and the Z-direction are each in particular perpendicular to each other.

Figure 4 shows a section of the lid 117 according to a further embodiment. The section of Figure 4 essentially corresponds to the section of FIG. 3. In contrast to FIG. 3, no guide tube 113 is provided in FIG. According to the embodiment of Figure 4, the drive cable 112 is directly held and guided directly by the plastic 107 of the drive attachment 103. In the X and Y directions, the drive cable 112 is held by the projecting portions 109 and 110. In the Z direction is the

Drive cable 112 is guided by the recessed portion 111. In the negative Z direction, a holding element 115 is provided. The holding element 115 is in particular formed separately from the foamed plastic 107 and

for example, via a screw or a

Adhesive bonded to the plastic 117. The drive cable 112 is according to the embodiment of

FIG. 4 is in direct contact with the plastic 107 and moves along the plastic 107 during operation.

According to exemplary embodiments, either a guide tube 113 is provided, as shown in FIG. 3, or a direct guidance of the drive cable 112 in the plastic 107 with the holding element 115 is provided. According to others

Embodiments, both a guide tube 113 is disposed in a first portion of the drive attachment 103 and in a further portion of the drive attachment 103, the drive cable 112 is held and guided directly by the plastic 107, as shown in Figure 4.

Figure 5 shows a section of the lid 117 according to further embodiments. In particular, in FIG

Embodiment illustrated how the electric motor 114 is secured by means of the drive attachment 103 to the disc 102. The plastic 107 is foamed with the two projecting portions 109 and 110 on the main surface 108. The

projecting portions 109 and 110 are spaced

arranged to each other, so that the electric motor 114 can be arranged therebetween. In addition, in this area, the drive cable 112 is engaged with the electric motor 114. The drive motor is coupled to the drive attachment 103 by means of one or more screws 121. In particular, the screw 121 is screwed into the plastic 107.

For example, this thread is introduced into the plastic 107, for example during foaming or subsequently. Overall, it is thus possible by means of

Drive attachment 103 to form both a cable guide for the drive cable 112 and a motor attachment for the electric motor 114 from directly foamed onto the disc 102 polyurethane. Thus, it is possible to dispense with components additionally glued or screwed on to the pane 102. Thus, a smaller space requirement, in particular in the Z direction, realized. In addition, the assembly cost is reduced compared to conventional lids. The lid 117 can be produced with smaller tolerances, since the plastic 107 can be screwed precisely to the pane 102. The

Production of the lid 117 is less expensive than

conventional.

Claims

claims

A lid for a vehicle roof (101), comprising:

a disk (102),

a drive attachment (103) attached to the disc (102),

- An element (104) of a drive (105) for a movable roof element (106), wherein the drive attachment (103) is formed of a foamed plastic (107) on the disc (102) and the element (104) by means of

Drive attachment (103) is attached to the disc (102).

Lid according to claim 1, wherein the drive attachment (103) comprises two portions (109, 110) projecting away from the disc (102) in a first direction (Z), the element (104) being located between the projecting portions (109 , 110) is arranged.

3. Lid according to claim 1 or 2, wherein the element (104) is a drive cable (112) of the drive (105).

4. Lid according to claim 3, wherein the drive cable (112) directly in the drive attachment (103) is arranged and at least partially in contact with the plastic (107).

5. Lid according to claim 3 or 4, wherein a guide tube (113) in the drive attachment (103) is arranged, and the drive cable (112) in the guide tube (113) is arranged.

6. Lid according to one of claims 1 to 5, which the the

Element (104) is an electric motor (114).

7. Lid according to one of claims 1 to 6, wherein the

Drive attachment (103) has a holding element (115) which is formed separately from the foamed plastic (107) and which is coupled to the plastic (107) to secure the element (104) to the disc (102).

8. Lid according to one of claims 1 to 7, wherein the movable roof element (106) has a sunshade (116).

9. Lid according to one of claims 1 to 8, wherein the

Plastic (107) is a polyurethane or contains polyurethanes.

10. System for a vehicle roof (101), comprising:

a lid (117) according to any one of claims 1 to 9,

a guide rail (119) fixed to the disc (102),

- The movable roof element (106), in the

Guide rail (119) is guided and is movable relative to the disc (102) in different positions, wherein the movable roof element (106) with the element (104) of the

Drive (105) is coupled and the drive (105)

is configured to move the roof element (106) relative to the disc (102).