DE102010039774A1 - Sealing profile for sealing and guiding movable window pane and door against body of motor car, has connection section including fastening segment that is formed by recess for retaining attachment element - Google Patents

Abstract

The profile (10) has a mounting portion (20) comprising two legs (22, 24) that are connected together by a base (26). A connection section extends along a longitudinal direction (L), and is arranged at the base. The connection section comprises a t-shaped cross-section, and a fastening segment that is formed by a recess for retaining an attachment element. The connection section comprises a foot (44) having height (h1) and depth (t1), and a head (46) having height (h2) and depth (t2), where the height of the foot is smaller than that of the head.

Description

The invention relates to a sealing arrangement for a motor vehicle, in particular for sealing and guiding a movable window pane. The seal assembly includes a gasket and fastener comprehensive seal and a trim strip. The fastener is suitable to attach the trim strip on the sealing profile. The sealing profile comprises a fastening section for fastening the sealing profile to a flange of the motor vehicle, at least one sealing section and a connecting section, wherein a decorative strip can be fastened to the connecting section. The invention further relates to such a seal, such a sealing profile and such a fastening element for fastening a decorative strip on the sealing profile.

A sealing arrangement for sealing a movable window pane of a motor vehicle door is off DE 102 47 015 A1 known. The seal assembly comprises a base body made of an elastic material, on which a sealing portion and a fixing portion for fixing the seal assembly is provided on a door flange. Furthermore, the sealing arrangement on a decorative strip, which is positively secured to the body. The trim strip has a fastening element, which is designed as an elongated insertion blade and extends substantially perpendicular to an aperture region. Furthermore, at least one projection is provided on the fastening element, which engages positively in an associated receptacle on the base body.

Out DE 102 58 825 B3 a seal assembly is known which has a seal which consists of an elastically deformable material and having a recessed connecting portion. In addition, the seal assembly is provided with a decorative strip which partially surrounds the connecting portion and has an upper leg and a lower leg. The legs are provided with hook-shaped projections which engage positively in the recesses of the connecting portion. In order to achieve a reliable attachment of the trim strip to the seal with simple installation, the connecting portion is provided with a deformability enhancing hollow chamber. In the hollow chamber, a locking body is slidably disposed, which causes after attaching the trim strip, that the hollow chamber can not be compressed and the trim strip undergoes a permanent attachment in this way.

The invention has for its object to propose a seal assembly which can be fixed in a simpler, safer and more variable manner and has a space-saving design.

To solve this problem, a sealing profile according to claim 1, a fastening element according to claim 6, a seal according to claim 13 and a seal arrangement according to claim 14 is proposed.

Advantageous embodiments of the invention are described in claims 2 to 5, 7 to 12 and 15, 16.

The sealing profile according to the invention comprises a fastening portion having a first leg, a second leg, and a base connecting the first leg and the second leg, at least one sealing portion and a connecting portion extending in a longitudinal direction. The connecting portion is disposed at the base, and is approximately T-shaped in cross section. The connecting portion has at least one fastening segment for receiving a fastening element, which is formed by at least one depression.

The fastening element according to the invention for a sealing profile extends in a longitudinal direction and is suitable for fastening a decorative strip to the sealing profile. The fastening element comprises at least one holding section for fastening the trim strip and a base plate having an opening, wherein the opening serves for fastening the fastening element to the sealing profile.

The inventive seal for a motor vehicle comprises a sealing profile and a fastening element, wherein the fastening element is fastened to the fastening segment and overlap the axis of the opening of the fastening element and the axis of a pin of the sealing profile.

The sealing arrangement according to the invention for a motor vehicle comprises a seal and a trim strip, wherein the trim strip is fastened to the retaining section.

The seal assembly according to the invention has the advantage that the connecting portion of the sealing profile can be made very narrow.

Next can be dispensed with the formation of a running through the connecting portion hollow chamber. The trim strip can, by means of frictional connection, be fastened to the fastening element arranged on the fastening segment. Thus, the trim is not directly on a fastened from an elastically deformable material existing portion of the sealing profile, whereby an increased adhesion can be achieved. In addition, the fastening segments can be varied in number and position, so that the required adhesion can be achieved as needed.

Advantageously, the connecting portion comprises a foot having a first height and a first depth and a head having a second height and a second depth, the first height being smaller than the second height. Due to the configuration of the cross-sectionally approximately T-shaped connecting portion of the head, the foot and a base of the attachment portion forms a recess which allows a positive reception of the fastener in which a withdrawal of the fastener is prevented. Furthermore, the head may have a rectangular cross-section. Alternatively, the head may have pointed converging surfaces in the form of a peaked roof.

The depression preferably has a third depth and a first length in the longitudinal direction, wherein the third depth preferably corresponds approximately to the sum of the first depth and the second depth. As a result of this configuration, the connecting section can receive a fastening element, which preferably also has the third depth. Preferably, the recess is made by milling, cutting, sawing or by a variable extrusion.

In a further embodiment, the sealing profile is characterized by a pin which has a second length, is formed by two recesses, and is preferably approximately symmetrical about an axis, wherein preferably the second length is smaller than the second height. By this configuration, the pin is rectangular and is thus suitable to receive a fastener, which in turn has a rectangular opening, which is connected by a 90 ° rotation of the fastener this form-fitting with the sealing profile, as pulling out through the head of the connecting portion is prevented.

Alternatively, the pin can also be formed by a U-shaped continuous recess or, for example, at the respective end of the connecting portion by a single introduced recess.

Preferably, the sealing profile has at least two sealing sections, wherein preferably the first sealing section serves for sealing a motor vehicle door with respect to the body of the motor vehicle and preferably the second sealing section for sealing the movable window pane.

The opening of the fastener can be penetrated by the pin of the connecting portion and secured by positive engagement thereto. By the holding portion, the trim strip can be non-positively and / or positively connected to the fastener.

In a preferred embodiment, the holding portion has a third height which is greater than the second height, and preferably a fourth depth which approximately corresponds to the second depth. With this configuration, the holding portion of the fastening element takes in cross section approximately the same height as the head of the connecting portion. Thus, a receptacle of the trim strip, which is adapted to receive the holding portion of the fastener, also completely include the head of the connecting portion.

Preferably, the opening of the fastener is approximately rectangular and has a first edge length and a second edge length, wherein preferably the first edge length is greater than the second edge length. The edge with the first edge length preferably extends in the longitudinal direction. This embodiment of the fastener allows this achieved with the connecting portion of the seal assembly a positive connection by a 90 ° rotation.

Advantageously, the second height corresponds at most to the first edge length, but at least the second edge length, and preferably the second length is smaller than the second edge length. Thus, the fastening element, which has an orientation in which the longitudinal direction of the fastening element is arranged at a 90 ° angle to the longitudinal direction of the sealing arrangement, be plugged onto the pin. By a 90 ° rotation of the fastener, whereby the longitudinal direction of the fastener is aligned parallel to the longitudinal direction of the sealing profile, a positive connection between the base plate of the fastener and the recess formed by the head and foot of the connecting portion and the base of the mounting portion can be made.

In a further preferred embodiment, the base plate has a fifth depth, which corresponds approximately to the first depth. Thus, the base plate of the fastener can be inserted or screwed into the recess.

Preferably, the fastener is characterized by an axis passing through the center of the opening and by at least one projection disposed on the base plate and preferably extending longitudinally.

Further preferably, the fastening element is characterized by two projections, which are arranged on the base plate and preferably with respect to the axis axisymmetric. The projections are adapted to be received in a recess formed by the root and base of the connecting portion and the base of the fixing portion, on the opposite side of the connecting portion to the pin with respect to the recess. Thus, the projections serve to fasten the fastener by screwing in as stops. In addition, the projections additionally increase the positive connection between the fastening element and the connecting portion of the sealing arrangement.

Preferably, the trim strip has a receptacle for receiving a holding portion which has a fourth height, wherein preferably the fourth height is less than the third height. This results in a frictional connection or a press fit between the holding portion of the fastener and receiving the trim strip, whereby the trim strip is securely attached to the seal.

In a preferred embodiment, the sealing arrangement is characterized by a window pane. The window pane can be movably arranged or, in an alternative embodiment, firmly connected to the sealing arrangement. The connection between the window and the sealing profile is preferably positive and / or non-positive, further preferably by injection molding.

The invention will be described in more detail below with reference to two exemplary embodiments, which are shown schematically in the drawings. Herein show:

1 a schematic side view of a vehicle with a seal assembly according to the invention;

2 a section along the line II-II in 1 showing the inventive seal assembly in the installed state;

3 a cross section of the sealing profile of in 2 shown seal assembly shows;

4 a perspective view of a connecting portion of the seal assembly with a fastening segment according to the in 3 shown viewing direction A;

4a a perspective view of a connecting portion of the seal assembly with an alternative cross-section head and with a fastening segment according to the in 3 shown viewing direction A;

5 a perspective view of the fastener according to the invention;

6 a perspective view of the connecting portion of the seal according to the invention with a received fastener;

7 a cross section of the trim strip;

8th a cross-section of an alternative embodiment of the connecting portion of the sealing profile shows.

1 shows the side view of a motor vehicle 100 , the two doors 120 and a body 110 having. Each of the doors 120 has a movable window pane 50 on. Both doors 120 are each with a seal arrangement 90 provided, on the one hand, the movable window pane 50 , on the other hand the door 120 opposite the body 110 seals.

How the particular 2 shows, has the seal assembly according to the invention 90 a sealing profile 10 , one in 5 reproduced fastener 60 and one in 7 reproduced decorative strip 70 on. The sealing profile 10 is with a reinforcement beam 12 provided on a mounting portion 20 is arranged. The sealing profile 10 is on a flange 130 through the attachment section 20 attached by force and form fit.

As in particular in the 2 and 3 reproduced, the sealing profile 10 several sealing sections 30 . 32 exhibit. In the illustrated embodiments, the first sealing portion is used 30 for sealing the motor vehicle door 120 opposite the body 110 and the second sealing portion 32 for sealing the movable window pane 50 , Preferably, the sealing portions 30 . 32 with sealing lips 31 . 33 provided further the sealing effect of the sealing portions 30 . 32 strengthen. Individual sealing lips 33 are with a flocking 34 which exhibits a friction-reducing effect, in particular in the sealing section 32 that is to seal against the windowpane 50 serves, provided. In the in 2 reproduced embodiment is the sealing portion 30 with two sealing lips 31 . the sealing section 32 with three sealing lips 33 , each one flocking 34 have provided.

The attachment section 20 has a first leg 22 , a second leg 24 and one the first leg 22 with the second leg 24 connecting basis 26 on. The attachment section 20 has an approximately U-shaped cross-section, whereby the attachment to a flange 130 of the motor vehicle 100 is possible.

In the 3 reproduced embodiment is by a connecting portion 40 characterized in that extends in a longitudinal direction L and at the base 26 of the attachment section 20 is arranged. Furthermore, the connection section 40 a first transverse direction Q ₁ extending orthogonally to the longitudinal direction L and a second transverse direction Q ₂ extending orthogonally to the longitudinal direction L and to the first transverse direction Q ₁ . In again 3 reproduced cross section of the sealing profile 10 reveals is the connection section 40 formed in cross-section approximately T-shaped and has a foot 44 and a head 46 on. The foot 44 It extends in the first transverse direction Q ₁ over a first height h ₁ and in the second transverse direction Q ₂ over a first depth t ₁ . The head 46 may have a rectangular cross-section and extends in the first transverse direction Q ₁ over a second height h ₂ and in the second transverse direction Q ₂ over a second depth t ₂ . Alternatively, the head 46 have at a height h ' ₂ pointed converging surfaces, as in 4a are reproduced. head 46 , Foot 44 and the base 26 of the attachment section 20 form a recess 47 that is suitable for a base plate 61 of the fastener 60 take

In another in 8th reproduced embodiment of the connecting portion 40 is the connecting section 40 with a pedestal 48 that is below the foot 44 is arranged and at the base 26 of the attachment section 20 adjacent, provided. The likewise in 3 reproduced recess 47 that is suitable to the base plate 61 of the fastener 60 to take up, is through the head 46 , the foot 44 and the pedestal 48 educated.

How the particular 4 and 4a to recognize, is a fastening segment 41 through one through two wells 42 formed pin 43 characterized. The pin 43 has an axis 21 with respect to which it is axisymmetric. Like also out 3 to recognize the in 4 reproduced depressions 42 an extending in the second transverse direction Q ₂ third depth t ₃ , which extends over the head 46 and the foot 44 to the base 26 of the attachment section 20 extends, up. The wells 42 each have in the longitudinal direction L a first length l ₁ and the pin 43 , which is rectangular in shape, has a second length l ₂ in the longitudinal direction L.

The 5 shows a perspective view of a fastener 60 , The fastener 60 has a base plate 61 and two holding sections 62 on. The fastener 60 is through one on the base plate 61 arranged opening 64 and has a in the second transverse direction Q ₂ extending second axis M ₂ , which at the center of the opening 64 is arranged and with respect to which the fastener 60 is axisymmetric. At the base plate 61 are two protrusions 66 provided, which are also arranged with respect to the second axis M ₂ . The opening 64 is approximately rectangular in shape and has a first edge length a in the longitudinal direction L 'and a second edge length b in a first transverse direction Q ₁ ' extending transversely to the longitudinal direction L '. The holding sections 62 have a third height h ₃ extending in the first transverse direction Q ₁ ', a length l ₃ extending in the longitudinal direction L', and a fourth depth t ₄ extending in the second transverse direction Q ₂ '. The holding sections 62 continue to have in height pointed converging holding surfaces 63 on, which have a shape of a pitched roof.

For fastening the fastening element 60 at the connecting section 40 of the sealing profile 10 becomes the fastener 60 rotated about the axis M ₂ by 90 °, so that the longitudinal direction L 'of the fastener 60 and the longitudinal direction L of the connection portion 40 are arranged at right angles to each other. Subsequently, the opening 64 of the fastener 60 over the head 46 of the pin 43 plugged. To make this possible, the edge length b of the opening must be 64 at least the second length l _{2 of} the pin 43 correspond, and the edge length a of the opening 64 must be at least the second height h ₂ , h ' ₂ correspond. Subsequently, the fastener can be rotated by 90 °, so that the holding sections 62 into the wells 42 in back. This implies that the first length l _{1 of} the recesses 42 at least the third length l _{3 of} the holding sections 62 must correspond. To remove the fastener after turning 90 ° 60 To prevent, the Kantelänge b of the opening must 64 of the fastener 60 smaller than the second height h ₂ , h ' _{2 of} the head 46 of the connection section 40 be, because so is the base plate 61 in the recess 47 is included and the head 46 of the pin 43 on the base plate 61 is applied. After this 90 ° rotation, the longitudinal directions L and L 'of the connecting portion overlap 40 and the fastener 60 , In addition, the projections lie 66 on the foot forming a stop 44 of connecting portion 40 on, so that the the fastener 60 the person or machine receiving feedback when the rotation is complete. It also prevents rotation beyond 90 °.

How continue the 6 can be seen, it is advantageous if in the second transverse direction Q ₂ 'extending fourth depth t _{4 of} the holding portion 62 approximately the second depth t _{2 of} the head 46 corresponds, so that the connecting section 40 with fasteners attached 60 along the longitudinal direction L has an approximately constant depth. Furthermore, it is expedient if the in the second transverse direction Q ₂ 'extending fifth depth t _{5 of} the base plate 61 approximately the first depth t _{1 of} the foot 44 equivalent. In addition, it is expedient if the second height h ₂ , h ' _{2 of} the head 46 is smaller than in the first transverse direction Q ₁ 'extending third height h _{3 of} the holding portion 62 and the fourth height h _{4 of} a receptacle running in the first transverse direction Q ₁ 72 the trim strip 70 is. This allows the trim strip 70 by means of press-fitting on the holding section 62 attached and at the same time can the head 46 of the connection section 40 in the recording 72 be recorded.

In the 7 reproduced decorative strip 70 has two noses in cross section 71 on the, like in the 2 to recognize, in the installed state positively on the holding sections 62 the fasteners 60 issue. Thus, the trim is 70 non-positively and positively with the holding sections 62 the fasteners 60 connected.

The reproduced in the embodiments seal assembly 90 offers the advantage that the connecting section 40 of the sealing profile 10 both in the first transverse direction Q ₁ and in the second transverse direction Q _{2 is designed} very narrow. Next may be on the training of a connection section 40 extending hollow chamber can be dispensed with. The trim strip 70 is, by means of traction, at the attachment segment 41 arranged fastening element 60 attached. Thus, the trim is 70 not directly on an existing of an elastically deformable material portion of the sealing profile 10 attached, whereby an increased adhesion is achieved. In addition, the fastening segments 41 be varied in number and position, so that the required adhesion is achieved as needed.

LIST OF REFERENCE NUMBERS

10

weatherstrip

12

reinforcing support

20

attachment section

22

first leg

24

second leg

26

Base

30

sealing section

31

sealing lip

32

sealing section

33

sealing lip

34

flocking

40

connecting portion

41

fixing segment

42

deepening

43

spigot

44

foot

46

head

47

recess

48

base

50

windowpane

60

fastener

61

baseplate

62

holding section

63

holding surface

64

opening

66

head Start

70

molding

71

nose

72

admission

80

poetry

90

sealing arrangement

100

motor vehicle

110

body

120

Motor vehicle door

130

flange

h ₁

first height

h ₂

second height

h ' ₂

second height

h ₃

third height

h ₄

fourth height

t ₁

first depth

t ₂

second depth

t ₃

third depth

t ₄

fourth depth

t ₅

fifth depth

₁

first length

l ₂

second length

a

first edge length

b

second edge length

M ₁

axis

M ₂

axis

L

longitudinal direction

L '

longitudinal direction

Q ₁

first transverse direction

Q ₂

second transverse direction

Q ₁ '

first transverse direction

Q ₂ '

second transverse direction

A

line of sight

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 10247015 A1 [0002]
• DE 10258825 B3 [0003]

Claims (16)

Sealing profile for a motor vehicle ( 100 ), in particular for sealing and guiding a movable window pane ( 50 ) comprising: an attachment portion ( 20 ), which has a first leg ( 22 ), a second leg ( 24 ), and a first leg ( 22 ) and the second leg ( 24 ) interconnecting base ( 26 ) having; at least one sealing section ( 30 . 32 ) and a connecting portion extending in a longitudinal direction (L) ( 40 ), at the base ( 26 ) and is approximately T-shaped in cross-section, wherein the connecting portion ( 40 ) at least one fastening segment ( 41 ) for receiving a fastener ( 60 ) through at least one recess ( 42 ) is formed. Sealing profile according to claim 1, characterized in that the connecting portion ( 40 ) one foot ( 44 ) having a first height (h ₁ ) and a first depth (t ₁ ) and a head ( 46 ) having a second height (h ₂ , h ' ₂ ) and a second depth (t ₂ ), wherein the first height (h ₁ ) is smaller than the second height (h ₂ , h' ₂ ). Sealing profile according to claim 2, characterized in that the recess ( 42 ) has a third depth (t ₃ ) and in the longitudinal direction (L) has a first length (l ₁ ), wherein preferably the third depth (t ₃ ) approximately the sum of first depth (t ₁ ) and second depth (t ₂ ) , Sealing profile according to one of claims 1 to 3, characterized by a pin ( 43 ), which has a second length (l ₂ ), by two recesses ( 42 ) is formed, and preferably approximately axially with respect to an axis (M ₁ ), wherein preferably the second length (l ₂ ) is smaller than the second height (h ₂ , h ' ₂ ). Sealing profile according to one of claims 1 to 4, characterized in that the sealing profile at least two sealing portions ( 30 . 32 ), wherein preferably the first sealing portion ( 30 ) for sealing a motor vehicle door ( 120 ) opposite the body ( 110 ) of the motor vehicle ( 100 ) and preferably the second sealing portion ( 32 ) for sealing the movable window pane ( 50 ) serves. Fastening element for a sealing profile ( 10 ) according to one of claims 1 to 5, which extends in a longitudinal direction (L ') and is adapted to a decorative strip ( 70 ) on the sealing profile ( 10 ), comprising: at least one holding section ( 62 ), for fastening the trim strip ( 70 ), and a base plate ( 61 ) with an opening ( 64 ), the opening ( 64 ) for fastening the fastening element ( 60 ) on the sealing profile ( 10 ) serves. Fastening element according to claim 6, characterized in that the holding portion ( 62 ) has a third height (h ₃ ) which is greater than the second height (h ₂ ) or approximately equal to the second height (h ' ₂ ), and preferably has a fourth depth (t ₄ ) approximately equal to the second depth (h ₃ ). t ₂ ) corresponds. Fastening element according to claim 6 or 7, characterized in that the opening ( 64 ) is approximately rectangular in shape and has a first edge length (a) and a second edge length (b), wherein preferably the first edge length (a) is greater than the second edge length (b). Fastening element according to claim 8, characterized in that the second height (h ₂ , h ' ₂ ) at most the first edge length (a), but at least the second edge length (b) corresponds, and preferably the second length (l ₂ ) smaller than that second edge length (b) is. Fastening element according to one of claims 6 to 9, characterized in that the base plate ( 61 ) has a fifth depth (t ₅ ) that approximately corresponds to the first depth (t ₁ ). Fastening element according to one of claims 6 to 10, characterized by an axis (M ₂ ) passing through the center of the opening ( 64 ), and at least one projection ( 66 ) attached to the base plate ( 61 ) and preferably extends in the longitudinal direction (L '). #A fastener according to claim 11, characterized by two projections ( 66 ) attached to the base plate ( 66 ) and preferably with respect to the axis (M ₂ ) are arranged axisymmetric. A gasket for a motor vehicle, comprising a sealing profile ( 10 ) according to one of claims 1 to 5 and a fastening element ( 60 ) according to one of claims 6 to 12, wherein the fastening element ( 60 ) is attached to the attachment segment, and the axis (M ₁ ) and the axis (M ₂ ) overlap. A sealing arrangement for a motor vehicle, comprising: a gasket ( 80 ) according to claim 13 and a decorative strip ( 70 ); the decorative strip ( 70 ) on the holding section ( 62 ) is attached. Sealing arrangement according to claim 14, characterized in that the trim strip ( 70 ) a recording ( 72 ) for receiving a holding section ( 62 ) having a fourth height (h ₄ ), wherein preferably the fourth height (h ₄ ) is less than the third height (h ₃ ). Sealing arrangement according to claim 14 or 15, characterized by a window pane ( 50 ).

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