CN213862422U

CN213862422U - Connecting device, vehicle body structure and vehicle

Info

Publication number: CN213862422U
Application number: CN202022839006.1U
Authority: CN
Inventors: 句彦儒; 张晓磊; 张帆; 于永谦; 周丹丹; 梁波; 岳志强
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-03
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a connecting device, body construction and vehicle, connecting device is used for providing the connection between first installed part and second installed part, connecting device is including being used for fixed connection to first installed part is located first installed part with first fixed plate between the second installed part, first fixed plate is protruding structure and offers the first connecting hole that is used for the fastener to pass, protruding structure has and keeps away from first installed part and orientation the bellied arcwall face of second installed part. The utility model discloses a connecting device can reduce the vibration that comes from the high frequency excitation to restrain the high frequency noise.

Description

Connecting device, vehicle body structure and vehicle

Technical Field

The utility model relates to a vehicle technical field specifically relates to a connecting device, body construction and vehicle.

Background

In the prior art, the motor of the hybrid vehicle is generally installed on the rear subframe, so that the installation point between the rear subframe and the rear floor longitudinal beam is excited by the high frequency of the motor, and the installation point structure between the traditional rear subframe and the rear floor longitudinal beam has the problem of generating high frequency noise due to unreasonable design under the high frequency excitation of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that prior art exists, provide a connecting device, this connecting device can reduce the vibration that comes from the high frequency excitation to restrain the high frequency noise.

In order to achieve the above object, the present invention provides a connecting device for providing connection between a first mounting member and a second mounting member, the connecting device includes a first fixing plate for being fixedly connected to the first mounting member and being located between the first mounting member and the second mounting member, the first fixing plate is a protruding structure and is provided with a first connecting hole for a fastener to pass through, the protruding structure has an arc-shaped surface away from the first mounting member and facing the second mounting member.

Optionally, the protruding structure includes a plurality of planes, and a plurality of the planes are connected respectively in the arcwall face in order to inject the protruding structure jointly, first connecting hole set up in the plane.

Optionally, the plane is provided with a positioning hole for positioning the first fixing plate and the first mounting member with respect to each other.

Optionally, the connecting device includes a second fixing plate for fixed connection to the first mounting member, the second fixing plate has a second connecting hole and a raised structure protruding toward a direction away from the first fixing plate, and the second connecting hole is disposed in the raised structure and corresponds to the first connecting hole.

Optionally, the connecting device includes a nut tube, and the nut tube sequentially passes through the first connecting hole, the first mounting member and the second connecting hole and is respectively fixedly connected with the first fixing plate and the second fixing plate.

Through the technical scheme, will the utility model discloses a connecting device first fixed plate install in first installed part, rethread fastener passes in proper order the second installed part first fixed plate and thereby first installed part will first installed part with the second installed part links together, when the vibration of high frequency excitation by the second installed part to when the transmission of first installed part, the energy of vibration concentrates on earlier the arcwall face of first fixed plate, later passes through the domes of arcwall face disperse uniformly for the transmission extremely the vibration of first installed part reduces, therefore, connecting device can reduce the vibration that comes from the high frequency excitation to restrain the high frequency noise.

The utility model also provides a vehicle body structure, vehicle body structure includes back floor longeron, back sub vehicle frame and foretell connecting device, wherein, back floor longeron conduct first installed part, back sub vehicle frame conduct the second installed part, back sub vehicle frame is equipped with the third connecting hole, back sub vehicle frame passes through the fastener in proper order the third connecting hole with nut union coupling is to back floor longeron.

Optionally, the cross section of the rear floor longitudinal beam is U-shaped, the second fixing plate is provided with a side plate matched with the side portion of the rear floor longitudinal beam, and the side plate is welded to the side portion.

Optionally, the edge of the first fixing plate is welded to the side portion of the rear floor longitudinal beam and forms a welding point, a through hole is formed in the side plate, and the through hole is arranged corresponding to the welding point.

Optionally, the side plate is provided with raised ribs.

The utility model also provides a vehicle, the vehicle includes foretell body structure.

Compared with the prior art, the advantages of the vehicle body structure, the vehicle and the connecting device are the same, and the detailed description is omitted.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

FIG. 1 is a schematic view of the attachment of the present invention mounted to a rear floor rail;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a partial top view of the attachment device of the present invention mounted to a rear floor rail;

FIG. 4 is a partial bottom view of the coupling device of the present invention mounted to a rear floor rail;

fig. 5 is a cross-sectional view along AA in fig. 4.

Description of the reference numerals

100-first fixing plate, 110-first connecting hole, 120-arc surface, 130-plane, 140-positioning hole, 200-second fixing plate, 210-second connecting hole, 220-bump structure, 230-side plate, 240-through hole, 250-reinforcing bar, 300-nut tube, 400-rear floor longitudinal beam, 410-side part, 500-welding point

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1 to 5, the connecting device of the present invention is used for providing connection between a first mounting member and a second mounting member, and comprises a first fixing plate 100 for being fixedly connected to the first mounting member and being located between the first mounting member and the second mounting member, wherein the first fixing plate 100 is a protruding structure and is provided with a first connecting hole 110 for a fastener to pass through, and the protruding structure has an arc-shaped surface 120 which is far away from the first mounting member and protrudes toward the second mounting member.

As shown in fig. 1 and 2, when first installed part is required to be connected to second installed part, will the utility model discloses a first fixed plate 100 of connecting device installs in first installed part, thereby pass second installed part, first fixed plate 100 and first installed part in proper order through the fastener and link together first installed part and second installed part, when the vibration of high-frequency excitation was transmitted to first installed part by second installed part, the energy of vibration concentrates on the arcwall face 120 of first fixed plate 100 earlier, later the domes through arcwall face 120 disperse evenly for the vibration of transmission to first installed part reduces, therefore, connecting device can reduce the vibration that comes from the high-frequency excitation, thereby restrain the high frequency noise. Additionally, because the utility model discloses an arcwall face 120 of first fixed plate 100 adopts approximate domes, enables the energy and evenly spreads outwards when concentrating the vibration energy, makes whole domes's atress even to reduce the displacement after first fixed plate 100 atress, improve first fixed plate 100's bulk rigidity.

In order to facilitate the manufacturing process and simplify the manufacturing process, in an embodiment of the present invention, the protruding structure includes a plurality of planes 130, the plurality of planes 130 are respectively connected to the arc-shaped surface 120 to define the protruding structure, and the first connecting hole 110 is disposed on the planes 130. That is, the convex structure is not formed only by the arc-shaped surface 120, but is formed by a plurality of planes 130 and one arc-shaped surface 120, and the processing process of the planes is simple, so that the manufacturing process can be greatly simplified, and the manufacturing cost can be reduced. In addition, the first connection hole 110 is disposed on the plane 130, so that the second mounting member is in contact with the plane 130 when being connected to the first mounting member, thereby improving the mounting firmness.

When the first fixing plate 100 is mounted to the first mounting member, in order to facilitate positioning, in an embodiment of the present invention, as shown in fig. 4, the plane 130 is provided with a positioning hole 140 for positioning the first fixing plate 100 and the first mounting member. In addition, the positioning holes 140 may also facilitate positioning of the second mounting member when it is coupled to the first fixing plate 100.

In order to more effectively disperse energy of the high-frequency excited vibration, in an embodiment of the present invention, as shown in fig. 3, the connection device includes a second fixing plate 200 for fixedly connecting to the first mounting member, the second fixing plate 200 has a second connection hole 210 and a ridge structure 220 protruding toward a direction away from the first fixing plate 100, and the second connection hole 210 is provided in the ridge structure 220 and corresponds to the first connection hole 110. That is, since the ridge structure 220 adopts an approximately arch-shaped structure, it is possible to uniformly disperse the energy of the vibration of the high-order excitation, so that the vibration is further reduced, thereby more effectively suppressing the high-frequency noise. Moreover, when the vibration energy is concentrated, the bulge structure 220 can uniformly diffuse the energy outwards, so that the stress of the whole arch structure is uniform, thereby reducing the displacement of the second fixing plate 200 after stress and improving the overall rigidity of the second fixing plate 200. In addition, since the arc-shaped surface 120 of the first fixing plate 100 and the raised structure 220 of the second fixing plate 200 are both approximately arch-shaped, and the protruding directions of the arc-shaped surface 120 and the raised structure 220 are opposite, a chamber-like structure is formed therebetween, which can more effectively absorb noise generated by vibration.

It should be understood that the fasteners may pass directly through the second mounting member, the first attachment aperture 110, the first mounting member, and the second attachment aperture 210 to attach the first and second mounting members together. In an embodiment of the present invention, the connection device includes a nut pipe 300, and the nut pipe 300 sequentially passes through the first connection hole 110, the first installation member and the second connection hole 210 and is fixedly connected to the first fixing plate 100 and the second fixing plate 200, respectively. The benefits of this arrangement are: the fastener only needs to pass through the mounting hole in the second mounting piece and the nut tube 300, so that connection can be completed, and assembly is easy.

Through above-mentioned embodiment, when second installed part and first installed part pass through the utility model discloses a connecting device realizes interconnect, connecting device can reduce the high frequency excitation's from the second installed part vibration effectively to restrain high frequency noise effectively.

The utility model also provides a body construction, this body construction include back floor longeron 400, back sub vehicle frame and foretell connecting device, wherein, back floor longeron 400 is as first installed part, and back sub vehicle frame is as the second installed part, and back sub vehicle frame is equipped with the third connecting hole, and back sub vehicle frame passes third connecting hole and nut pipe 300 in proper order through the fastener and is connected to back floor longeron 400.

By arranging the connecting device, when the motor is arranged on the rear auxiliary frame, the high-frequency excited vibration of the motor can be effectively reduced by the connecting device, so that the high-frequency noise transmitted to the interior of the vehicle is reduced, and a quiet and comfortable sitting space is provided for passengers. In addition, the first fixing plate 100 and the second fixing plate 200 of the connecting device have high rigidity, so that the risk of local tearing can be avoided under the condition of violent driving, and the safety of the vehicle is improved.

Specifically, the cross section of the rear floor longitudinal beam 400 is U-shaped, the second fixing plate 200 has a side plate 230 matching with the side portion 410 of the rear floor longitudinal beam 400, and the side plate 230 is welded to the side portion 410.

In some embodiments, the edge of the first fixing plate 100 is welded to the side portion 410 of the rear floor rail 400 and the welding point 500 is formed, and in order to facilitate the welding operation of the welding point 500, a through hole 240 is formed in the side plate 230 of the second fixing plate 200, and the through hole 240 is disposed corresponding to the welding point 500, so that the welding operation of the welding point 500 can be performed through the through hole 240.

In order to further improve the structural rigidity of the second fixing plate 200, in one embodiment of the present invention, the side plate 230 is provided with raised ribs 250.

The utility model also provides a vehicle, this vehicle includes foretell body structure.

The utility model discloses an automobile body structure, vehicle are the same with the advantage that above-mentioned connecting device had for prior art, no longer describe herein.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A coupling arrangement for providing a connection between a first mounting element and a second mounting element, the coupling arrangement comprising a first fixing plate (100) for fixed connection to the first mounting element and located between the first mounting element and the second mounting element, the first fixing plate (100) being of a raised configuration and defining a first connection aperture (110) for a fastener to pass through, the raised configuration having an arcuate face (120) remote from the first mounting element and projecting towards the second mounting element.

2. The connecting device according to claim 1, wherein the protruding structure comprises a plurality of planes (130), the planes (130) are respectively connected to the arc-shaped faces (120) to jointly define the protruding structure, and the first connecting hole (110) is arranged on the planes (130).

3. A connecting device according to claim 2, characterised in that the plane (130) is provided with positioning holes (140) for mutual positioning of the first fixing plate (100) and the first mounting element.

4. The connecting device according to claim 1, wherein the connecting device comprises a second fixing plate (200) for fixed connection to the first mounting member, the second fixing plate (200) having a second connecting hole (210) and a ridge structure (220) protruding in a direction away from the first fixing plate (100), the second connecting hole (210) being provided to the ridge structure (220) and corresponding to the first connecting hole (110).

5. The connecting device according to claim 4, characterized in that the connecting device comprises a nut tube (300), the nut tube (300) passing through the first connecting hole (110), the first mounting member and the second connecting hole (210) in sequence and being fixedly connected with the first fixing plate (100) and the second fixing plate (200), respectively.

6. A vehicle body structure, characterized in that it comprises a rear floor rail (400), a rear sub frame and the connecting device of claim 5, wherein the rear floor rail (400) serves as the first mounting member, the rear sub frame serves as the second mounting member, the rear sub frame is provided with a third connecting hole, and the rear sub frame is connected to the rear floor rail (400) by passing through the third connecting hole and the nut pipe (300) in order via a fastener.

7. The vehicle body structure according to claim 6, wherein the rear floor side member (400) has a U-shaped cross section, the second fixing plate (200) has a side plate (230) that matches a side portion (410) of the rear floor side member (400), and the side plate (230) is welded to the side portion (410).

8. The vehicle body structure according to claim 7, wherein an edge of the first fixing plate (100) is welded to a side portion (410) of the rear floor side member (400) and a welding point (500) is formed, and a through hole (240) is opened in the side plate (230), and the through hole (240) is provided corresponding to the welding point (500).

9. The vehicle body structure of claim 7, wherein the side panel (230) is provided with raised ribs (250).

10. A vehicle, characterized in that the vehicle comprises a body structure according to any one of claims 6-9.