CN212022277U

CN212022277U - Connecting assembly of skylight and automobile body

Info

Publication number: CN212022277U
Application number: CN202020223229.2U
Authority: CN
Inventors: 冯浩; 刘杰; 赵麒; 闻冠
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-11-27
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a coupling assembling of skylight and automobile body, include: decoupling member, support member and connecting bolt. The decoupling piece is arranged on the frame of the skylight, the center of the decoupling piece is provided with a hole, and the decoupling piece is made of flexible materials. The support piece is arranged in a central hole of the decoupling piece, the support piece is in interference fit with the decoupling piece, the support piece is made of rigid materials, and a bolt hole is formed in the center of the support piece. The connecting bolt passes through the bolt hole on the support piece to fix the connecting component and the frame of the skylight on the vehicle body. The utility model discloses a coupling assembling of skylight and automobile body is at the downthehole installation rubber decoupling zero piece of skylight bolt, and the noise and the vibration of preceding rear end frame motor in the skylight have been attenuated or completely cut off effectively, have improved the NVH performance of car.

Description

Connecting assembly of skylight and automobile body

Technical Field

The utility model relates to an automobile parts field, more specifically say, relate to decoupling zero/absorbing adapting unit.

Background

The skylight of the automobile can ventilate and regulate the light in the automobile, and the driving experience of a passenger is obviously improved. The electric skylight integrates the opening and closing operations of the glass plate and the sun-shading curtain on one switch, so that the skylight is more convenient to use. However, the existence of the glass plate motor and the sunshade motor in the electric skylight introduces noise sources.

Vehicles provided with the electric skylight are more and more, but a decoupling structure for reducing noise is not considered in the structure of the existing electric skylight, and the skylight is generally fixed on a roof metal plate in a bolt hard connection mode. If the connection mode of the skylight and the roof is unreasonable and decoupling factors are not considered, noise and vibration of the motor can be transmitted to the roof from the skylight, resonance of metal plates of the roof is caused, and NVH performance of the whole vehicle is deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a possess decoupling zero and shock-absorbing structure's skylight and coupling assembling of automobile body.

According to the utility model discloses an embodiment provides a coupling assembling of skylight and automobile body, include: decoupling member, support member and connecting bolt. The decoupling piece is arranged on the frame of the skylight, the center of the decoupling piece is provided with a hole, and the decoupling piece is made of flexible materials. The support piece is arranged in a central hole of the decoupling piece, the support piece is in interference fit with the decoupling piece, the support piece is made of rigid materials, and a bolt hole is formed in the center of the support piece. The connecting bolt passes through the bolt hole on the support piece to fix the connecting component and the frame of the skylight on the vehicle body.

In one embodiment, the decoupling member is a ring-shaped member having an outer wall that engages the frame of the skylight, an inner wall defining a central opening, an annular groove in the outer wall, and a clamping strip formed on the inner wall that is in interference fit with the support member to clamp the support member.

In one embodiment, the interference of the interference fit between the clamping strip and the supporting piece is 0.1 mm-0.5 mm.

In one embodiment, the clamping strips are annular strips formed on the inner wall of the decoupling member, the number of the annular strips being at least one.

In one embodiment, the clamping strips are longitudinal strips formed on the inner wall of the decoupling piece, the longitudinal strips are distributed on the inner wall of the decoupling piece at uniform intervals, and the number of the longitudinal strips is 6-12.

In one embodiment, the support member is a hollow cylinder, the bottom of the support member forms an outwardly-expanded flange structure, the support member is installed in a central opening of the decoupling member, the outer wall of the support member is in interference fit with the decoupling member, the flange structure at the bottom of the support frame supports the bottom of the decoupling member, and the inner wall of the support member forms a bolt hole.

In one embodiment, the surface of the flange structure that contacts the decoupler is a conical surface and the bolt hole formed in the inner wall of the support is chamfered.

In one embodiment, the decoupling member is made of a common rubber or silicone rubber having a hardness in the range of Shore A20-Shore A60. The support is made of 11SMnPb30 steel.

In one embodiment, a mounting hole is formed in the frame of the sunroof, the decoupling member is embedded in the mounting hole, the frame is clamped in an annular groove in the outer wall of the decoupling member, and the connecting bolt penetrates through the mounting hole to fix the connecting assembly and the frame of the sunroof to a sheet metal of a vehicle roof.

In one embodiment, four mounting holes are respectively arranged at the front end and the rear end of the frame of the skylight, and eight sets of connecting assemblies are mounted.

The utility model discloses a coupling assembling of skylight and automobile body is at the downthehole installation rubber decoupling zero piece of skylight bolt, and the noise and the vibration of preceding rear end frame motor in the skylight have been attenuated or completely cut off effectively, have improved the NVH performance of car. Meanwhile, the end part of the supporting piece, which is in contact with the rubber decoupling piece, is processed into a conical surface, so that the contact area between the rubber decoupling piece and the supporting piece can be slightly increased under the working condition of the self weight of the skylight or bumpy roads, the movement of the skylight relative to the roof is more effectively alleviated, and the better noise decoupling and/or vibration damping functions are realized. The rubber material in the decoupling piece can normally work at room temperature, and meanwhile, the rubber material can be adopted in consideration of the cold climate in the north of China, so that the noise decoupling/damping performance is good in the low-temperature environment.

Drawings

Fig. 1 discloses the installation position schematic diagram of the connection assembly of the sunroof and the vehicle body of the present invention on the sunroof.

Fig. 2 is a partially enlarged view showing the installation position of the connection member for the sunroof and the vehicle body according to the present invention.

Fig. 3 discloses an explosion structure diagram of a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention.

Fig. 4a and 4b disclose a structure diagram of a supporting member in a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention.

Fig. 5a and 5b disclose a block diagram of a first implementation of a decoupling element in a sunroof-to-body connection assembly in accordance with an embodiment of the present invention.

Fig. 6a and 6b disclose a block diagram of a second implementation of a decoupling member in a sunroof-to-body connection assembly in accordance with an embodiment of the present invention.

Detailed Description

The utility model provides a coupling assembling of skylight and automobile body, include: decoupling member 101, support member 102, and attachment bolt 103. This coupling assembling is installed on the frame in skylight, and fig. 1 has revealed the utility model discloses a skylight and the mounted position schematic diagram of the coupling assembling of automobile body on the skylight. Referring to fig. 1, the connection assemblies 100 are disposed at the front and rear ends of the frame of the sunroof, and in one embodiment, four mounting holes are respectively disposed at the front and rear ends of the frame of the sunroof, and eight sets of connection assemblies 100 are mounted. Fig. 2 is a partially enlarged view showing the installation position of the connection assembly of the sunroof and the vehicle body according to the present invention, and shows the installation state of one of the connection assemblies 100 on the frame of the sunroof.

Fig. 3 discloses an explosion structure diagram of a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention. Fig. 3 is an exploded view of a cross-sectional structure of fig. 2 where the connection assembly 100 is located. As shown in fig. 3, the sunroof-to-vehicle body connecting assembly includes: decoupling member 101, support member 102, and attachment bolt 103.

The decoupling piece 101 is installed on the frame of the skylight, the center of the decoupling piece 101 is provided with a hole, and the decoupling piece 101 is made of flexible materials. In one embodiment, the material of the decoupling member 101 is common rubber or silicone rubber with a hardness range of Shore A20 to Shore A60. In most application scenes, ordinary rubber having a hardness in the range of Shore a20 ° to Shore a60 ° may be used, and in cold district usage scenes, silicone rubber having a hardness in the range of Shore a20 ° to Shore a60 ° may be used. The silicon rubber has better low-temperature performance. With combined reference to fig. 2, 3, 5b and 6b, the decoupling member 101 is a ring-shaped member having an outer wall that mates with the frame 104 of the skylight, an inner wall that defines a central opening, and an annular groove 111 on the outer wall of the decoupling member 101. The frame 104 of the skylight is provided with a mounting hole. The decoupling element 101 is inserted into the mounting hole, and the frame 104 snaps into an annular groove 111 on the outer wall of the decoupling element. The connecting bolt 103 passes through the mounting hole on the frame to fix the connecting component 100 and the frame 104 of the skylight together on the sheet metal of the vehicle roof.

The support 102 is mounted in a central opening of the decoupler 101, the support 102 being an interference fit with the decoupler 101. The support member 102 is made of a rigid material, and a bolt hole is formed in the center of the support member 102. In one embodiment, the material of the support member 102 is a metal material, such as 11SMnPb30 steel. Fig. 4a and 4b are structural diagrams illustrating a supporting member of a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention, wherein fig. 4a is a sectional view, fig. 4b is a top structural diagram, and fig. 4a is a sectional view taken along a direction D-D in fig. 4 b. Referring to fig. 4a and 4b, the supporting member 102 is a hollow cylinder, and the bottom of the supporting member 102 forms an outwardly expanding flange structure 121. The support is mounted in a central opening of the decoupler 101 and the outer wall of the support 102 is an interference fit with the decoupler. A flange structure 121 at the bottom of support bracket 102 supports the bottom of decoupling member 101 and the inner wall of support member 102 forms a bolt hole. In the illustrated embodiment, the surface of the flange structure 121, which is in contact with the decoupling member, i.e., the top surface of the flange structure, is a tapered surface, and by adopting the design of the tapered surface, when the frame of the sunroof presses the decoupling member 101 under the condition of the dead weight of the sunroof or a bumpy road, the contact area between the decoupling member 101 and the flange structure 121 is gradually increased, so that the damping effect is achieved. The bolt hole formed in the inner wall of the support 102 has a chamfer formed to facilitate the installation of the coupling bolt 103. The support and the decoupling piece form an interference fit, in one embodiment, the inner wall of the decoupling piece forms a central opening, a clamping strip is formed on the inner wall, and the decoupling piece is in interference fit with the support through the clamping strip so as to clamp the support. In one embodiment, the interference of the interference fit between the clamping strip and the supporting piece is 0.1 mm-0.5 mm. The clamping strips of the decoupling element have two embodiments, as shown in fig. 5a, 5b and fig. 6a, 6 b. Fig. 5a and 5B are structural diagrams illustrating a first implementation of a decoupling member in a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention, wherein fig. 5a is a top structural diagram, fig. 5B is a cross-sectional diagram, and fig. 5B is a cross-sectional diagram taken along a direction B-B of fig. 5 a. In a first realization, the clamping strip 112 is an annular strip formed on the inner wall of the decoupler 101, the number of which is at least one. The annular strip 112 also provides a positioning function for the decoupling member in the axial direction of the support member, so that there is no large angular rotation of the decoupling member in the axial direction of the support member. Fig. 6a and 6b are structural diagrams illustrating a second implementation of a decoupling member in a connecting assembly of a sunroof and a vehicle body according to an embodiment of the present invention, wherein fig. 6a is a top structural diagram, fig. 6b is a cross-sectional diagram, and fig. 6b is a cross-sectional diagram taken along a-a of fig. 6 a. In the second realization mode, the clamping strips 113 are longitudinal strips formed on the inner wall of the decoupling piece, the longitudinal strips 113 are distributed on the inner wall of the decoupling piece at uniform intervals, and the number of the longitudinal strips is 6-12. The longitudinal strips 113 also allow a positioning action of the decoupling member in the axial direction of the support, so that there is no large angular rotation of the decoupling member in the axial direction of the support.

The connecting bolts 103 pass through bolt holes in the support member 102 and mounting holes in the frame to fix the connecting assembly and the frame of the sunroof to the vehicle body, specifically, the sheet metal of the roof.

Through the preparation appearance piece, carry out the noise test in the full anechoic chamber, use decoupling zero piece and the noise decibel number measurement result of the hard coupling mode of prior art kind bolt as follows:

It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is obvious that the present invention is not limited to the above embodiments, and similar changes or modifications can be directly derived or easily suggested by those skilled in the art from the disclosure of the present invention, and all should fall within the protection scope of the present invention. The above-described embodiments are provided to enable persons skilled in the art to make or use the invention, and many modifications and variations may be made to the above-described embodiments by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of the invention is not limited by the above-described embodiments, but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. A sunroof and vehicle body coupling assembly, comprising: a decoupling member, a support member and a connecting bolt;

the decoupling piece is arranged on the frame of the skylight, the center of the decoupling piece is provided with a hole, and the decoupling piece is made of flexible materials;

the support piece is arranged in a central opening of the decoupling piece, the support piece is in interference fit with the decoupling piece, the support piece is made of rigid materials, and a bolt hole is formed in the center of the support piece;

the connecting bolt passes through the bolt hole on the supporting piece to fix the connecting component and the frame of the skylight on the vehicle body.

2. The sunroof-to-vehicle body attachment assembly of claim 1, wherein the decoupling member is a ring-shaped member, the outer wall engages a frame of the sunroof, the inner wall defines a central opening, the outer wall has an annular groove, and the inner wall defines a clamping bar that is in interference fit with the support member to clamp the support member.

3. The sunroof-to-vehicle body connection assembly of claim 2, wherein the interference of the interference fit of the clamping bar with the support member is between 0.1mm and 0.5 mm.

4. The sunroof-to-vehicle body connection assembly according to claim 2, wherein the clamping bar is a ring-shaped bar formed on an inner wall of the decoupling member, the number of the ring-shaped bar being at least one.

5. The sunroof-to-vehicle body connecting assembly according to claim 2, wherein the clamping strips are longitudinal strips formed on the inner wall of the decoupling member, the longitudinal strips are distributed on the inner wall of the decoupling member at regular intervals, and the number of the longitudinal strips is 6-12.

6. The sunroof-to-vehicle body coupling assembly as claimed in claim 1, wherein the support member is a hollow cylinder type, a bottom of the support member forms an outwardly expanded flange structure, the support member is installed in a central opening of the decoupling member, an outer wall of the support member is in interference fit with the decoupling member, the flange structure at the bottom of the support bracket supports the bottom of the decoupling member, and an inner wall of the support member forms a bolt hole.

7. The sunroof-to-body connection assembly as claimed in claim 6, wherein the flange structure has a tapered surface on a surface contacting the decoupling member, and the bolt hole formed in the inner wall of the support member has a chamfer.

8. The sunroof-to-vehicle body connection assembly of claim 1,

the material of the decoupling piece is common rubber or silicon rubber with the hardness range of Shore A type being 20 degrees to Shore A type being 60 degrees;

the support piece is made of 11SMnPb30 steel.

9. The connecting assembly of claim 2, wherein the frame of the sunroof has a mounting hole, the decoupling member is inserted into the mounting hole, the frame is snapped into an annular groove on an outer wall of the decoupling member, and the connecting bolt passes through the mounting hole to fix the connecting assembly and the frame of the sunroof to the sheet metal of the roof.

10. The sunroof-to-vehicle body connecting assembly according to claim 9, wherein four mounting holes are provided at each of front and rear ends of the frame of the sunroof, and eight sets of connecting assemblies are mounted.