CN211731563U - Connection structure of frame - Google Patents

Connection structure of frame Download PDF

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Publication number
CN211731563U
CN211731563U CN202020325501.8U CN202020325501U CN211731563U CN 211731563 U CN211731563 U CN 211731563U CN 202020325501 U CN202020325501 U CN 202020325501U CN 211731563 U CN211731563 U CN 211731563U
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China
Prior art keywords
longitudinal
longeron
vehicle frame
piece
frame
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Application number
CN202020325501.8U
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Chinese (zh)
Inventor
陈家琦
许伟
辛文国
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Xiamen Vehicle Design & Service Co ltd
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Xiamen Vehicle Design & Service Co ltd
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Priority to CN202020325501.8U priority Critical patent/CN211731563U/en
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Abstract

The utility model discloses a connection structure of frame, it includes first longeron, front beam, back beam, entablature and coupling assembling, front beam and back beam overlap joint in both ends around the first longeron, the entablature set firmly in the side of first longeron, coupling assembling overlap joint in the crossing department of first longeron and entablature, in order to prevent the entablature is relative first longeron takes place to become flexible in all directions. The utility model discloses well front beam and back beam adopt the lapped mode to set firmly in both ends around first longeron to it has the coupling assembling that can prevent that the entablature from taking place not hard up to overlap joint in the crossing department overlap joint of first longeron and entablature, and this kind of connected mode of frame makes holistic rigidity intensity better.

Description

Connection structure of frame
Technical Field
The utility model relates to an automobile manufacturing technical field, concretely relates to connection structure of frame.
Background
The frame is an indispensable part of the vehicle and fixes the body and the chassis of the vehicle so as to ensure the normal use of the vehicle. The existing frame is mostly assembled by adopting a traditional direct welding mode, and the assembling mode has the defects that: the problems that the rigidity and the strength of the welding part do not meet the design requirement, the deformation amount of the welding part is large and the like exist.
In addition, the existing frame usually adopts a steel framework form, the weight of the frame is heavier, the fuel consumption of a fuel vehicle is high, the power consumption of a pure electric vehicle is high, although the aluminum alloy frame is also lighter, the aluminum alloy frame is usually fixed in the same way as the direct welding, and the rigidity and the strength of the aluminum alloy frame are not enough because the aluminum alloy material is weaker than the steel material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure of frame, its defect of having overcome the direct welding mode and having existed, the frame has sufficient rigidity intensity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a connection structure of frame, includes first longeron, front beam, rear frame member, centre sill and coupling assembling, front beam and rear frame member overlap joint in both ends around the first longeron, the centre sill set firmly in the side of first longeron, coupling assembling overlap joint in the crossing department of first longeron and centre sill, in order to prevent the centre sill is relative first longeron takes place to become flexible in all directions.
Preferably, the connecting assembly comprises an upper connecting piece and a lower connecting piece, the upper connecting piece and the lower connecting piece are respectively buckled on the upper side and the lower side of the intersection of the first longitudinal beam and the middle cross beam and are connected with the first longitudinal beam and the middle cross beam into an integral structure.
Preferably, go up the connecting piece and all including connecting body and spacing portion with the connecting piece down, the connecting body extends towards one side and forms spacing portion, be formed with in the spacing portion with the spacing groove that first longeron and well crossbeam suited, spacing portion with first longeron and well crossbeam fixed connection.
Preferably, the middle cross beam is perpendicularly fixed to the side edge of the first longitudinal beam, the limiting groove is in a cross shape, a mounting hole is formed in the limiting portion, and the limiting portion is fixedly connected with the first longitudinal beam and the middle cross beam through a rivet arranged on the mounting hole.
Preferably, the number of the first longitudinal beams is at least two, the first longitudinal beams are arranged side by side, a plurality of groups of middle cross beams are fixedly arranged between the first longitudinal beams in parallel, and the connecting assemblies are arranged at the intersection of the middle cross beams and the first longitudinal beams.
Preferably, the first longitudinal beam is a casting with a hollow structure, a front connecting portion extends from a side edge of the front cross beam, and the front connecting portion is inserted into a front end of the first longitudinal beam and fixedly connected with the first longitudinal beam through a rivet.
Preferably, the first longitudinal beam is a casting with a hollow structure, a rear connecting portion extends from a side edge of the rear cross beam, and the rear connecting portion is inserted into a rear end of the first longitudinal beam and fixedly connected with the first longitudinal beam through a rivet.
Preferably, the rear cross beam comprises a front cross beam and a rear cross beam, and the front cross beam and the rear cross beam are fixedly connected with each other.
Preferably, the first longitudinal beam, the front cross beam, the rear cross beam, the middle cross beam, the connecting assembly and the second longitudinal beam are all castings made of aluminum alloy materials.
After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:
1. the utility model discloses well front beam and back beam adopt the lapped mode to set firmly in both ends around first longeron to it has the coupling assembling that can prevent that the entablature from taking place not hard up to overlap joint in the crossing department overlap joint of first longeron and entablature, and this kind of connected mode of frame makes holistic rigidity intensity better.
2. The utility model discloses the frame that comparatively adopts steel skeleton form is lighter, improves the rigidity intensity of aluminum alloy part junction through coupling assembling simultaneously, realizes that the holistic rigidity intensity of frame satisfies the designing requirement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the installation of the connection assembly;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3 at A;
fig. 6 is a schematic structural view of an upper connector and a lower connector.
Description of reference numerals:
100. a first stringer;
200. front beam, 210 front connection;
300. a rear cross member 310, a rear connecting portion;
400. a middle cross beam;
500. the connecting assembly comprises a connecting assembly, 510, an upper connecting piece, 520, a lower connecting piece, 531, a connecting body, 532, a limiting part, 533, a limiting groove and 534 mounting holes;
600. a second stringer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
With reference to fig. 1 and 2, the utility model discloses a connection structure of frame, including first longeron 100, front beam 200, rear frame member 300, middle cross member 400, coupling assembling 500 and second longeron 600.
The front cross member 200 and the rear cross member 300 are lapped on the front end and the rear end of the first longitudinal member 100, the middle cross member 400 is fixedly arranged on the side edge of the first longitudinal member 100, in this embodiment, the number of the first longitudinal members 100 is at least two, the first longitudinal members 100 are arranged side by side, and a plurality of groups of middle cross members 400 are fixedly arranged between the first longitudinal members 100 in parallel. The second longitudinal beam 600 is fixedly disposed between the front cross beam 200 and the rear cross beam 300, and is fixedly connected to the middle cross beam 400, in this embodiment, the second longitudinal beam 600 is fixed to the middle cross beam 400 by welding.
The first longitudinal beam 100 is a hollow casting, a front connecting portion 210 extends from a side edge of the front cross beam 200, and the front connecting portion 210 is inserted into a front end of the first longitudinal beam 100 and is fixed together by a rivet. A rear connection portion 310 is formed at a side edge of the rear cross member 300 in an extending manner, and the rear connection portion 310 is inserted into a rear end of the first longitudinal member 100 and is fixed together by a rivet. The front cross beam 200 and the rear cross beam 300 are fixedly connected with the first longitudinal beam 100, and compared with the mode of direct welding, the assembling efficiency is higher, and the rigidity and the strength of the connection part are better.
As shown in fig. 1 and 3 to 6, the connecting assembly 500 is overlapped at the intersection of the first longitudinal beam 100 and the middle transverse beam 400, and in this embodiment, the connecting assembly 500 is disposed at the intersection of the middle transverse beam 400 and the first longitudinal beam 100 to prevent the middle transverse beam 400 from loosening relative to the first longitudinal beam 100 in all directions.
The connecting assembly 500 includes an upper connecting member 510 and a lower connecting member 520, wherein the upper connecting member 510 and the lower connecting member 520 are respectively fastened to the upper and lower sides of the intersection of the first longitudinal beam 100 and the middle cross beam 400, and are connected with the first longitudinal beam 100 and the middle cross beam 400 into an integrated structure. In this embodiment, the middle cross member 400 is fixed to the side of the first longitudinal member 100 by welding, and then fixed to the integrated structure by the upper connecting member 510 and the lower connecting member 520, so that the rigidity of the joint is better.
The upper connecting member 510 and the lower connecting member 520 both include a connecting body 531 and a limiting portion 532, the connecting body 531 extends to one side to form the limiting portion 532, a limiting groove 533 corresponding to the first longitudinal beam 100 and the middle cross beam 400 is formed on the limiting portion 532, and the limiting portion 532 is fixedly connected with the first longitudinal beam 100 and the middle cross beam 400. In this embodiment, the middle cross beam 400 is vertically fixed to the side of the first longitudinal beam 100, the limiting groove 533 is cross-shaped, the limiting portion 532 is provided with a mounting hole 534, and the limiting portion 532 is fixedly connected to the first longitudinal beam 100 and the middle cross beam 400 by a rivet provided on the mounting hole 534.
In this embodiment, the first longitudinal beam 100, the front cross beam 200, the rear cross beam 300, the middle cross beam 400, the connecting assembly 500 and the second longitudinal beam 600 are all castings made of aluminum alloy, the frame is made lighter by adopting a framework made of aluminum alloy, and the connecting assembly is lapped at the intersection of the first longitudinal beam 100 and the middle cross beam 400, so that the rigidity and the strength of the aluminum alloy frame meet requirements.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a connection structure of frame which characterized in that: including first longeron, front beam, back crossbeam, centre sill and coupling assembling, front beam and back crossbeam overlap joint in both ends around the first longeron, the centre sill set firmly in the side of first longeron, coupling assembling overlap joint in the crossing department of first longeron and centre sill prevents the centre sill is relative first longeron takes place to become flexible in all directions.
2. The connecting structure of a vehicle frame according to claim 1, wherein: the connecting assembly comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively buckled on the upper side and the lower side of the intersection of the first longitudinal beam and the middle cross beam and are connected with the first longitudinal beam and the middle cross beam into an integral structure.
3. A connecting structure of a vehicle frame according to claim 2, characterized in that: go up the connecting piece and all including connecting body and spacing portion with connecting piece down, the connecting body extends towards one side and forms spacing portion, be formed with in the spacing portion with the spacing groove that first longeron and well crossbeam suited, spacing portion with first longeron and well crossbeam fixed connection.
4. A connecting structure of a vehicle frame according to claim 3, wherein: the middle cross beam is vertically fixed on the side edge of the first longitudinal beam, the limiting groove is in a cross shape, a mounting hole is formed in the limiting portion, and the limiting portion is fixedly connected with the first longitudinal beam and the middle cross beam through rivets arranged on the mounting hole.
5. The connecting structure of a vehicle frame according to claim 1, wherein: the number of the first longitudinal beams is at least two, the first longitudinal beams are arranged side by side, a plurality of groups of middle cross beams are fixedly arranged between the first longitudinal beams side by side, and the connecting assemblies are arranged at the intersection of the middle cross beams and the first longitudinal beams.
6. The connecting structure of a vehicle frame according to claim 1, wherein: the first longitudinal beam is a casting with a hollow structure, a front connecting part is formed by extending the side edge of the front cross beam, and the front connecting part is inserted into the front end of the first longitudinal beam and fixedly connected with the first longitudinal beam through a rivet.
7. The connecting structure of a vehicle frame according to claim 1, wherein: the first longitudinal beam is a casting of a hollow structure, a rear connecting portion is formed by extending the side edge of the rear cross beam, the rear connecting portion is inserted into the rear end of the first longitudinal beam, and the first longitudinal beam and the rear connecting portion are fixedly connected together through rivets.
8. The connecting structure of a vehicle frame according to claim 1, wherein: the second longitudinal beam is fixedly arranged between the front cross beam and the rear cross beam and is fixedly connected with the middle cross beam.
9. The connecting structure of a vehicle frame according to claim 8, wherein: the first longitudinal beam, the front cross beam, the rear cross beam, the middle cross beam, the connecting assembly and the second longitudinal beam are all castings made of aluminum alloy materials.
CN202020325501.8U 2020-03-16 2020-03-16 Connection structure of frame Active CN211731563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020325501.8U CN211731563U (en) 2020-03-16 2020-03-16 Connection structure of frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020325501.8U CN211731563U (en) 2020-03-16 2020-03-16 Connection structure of frame

Publications (1)

Publication Number Publication Date
CN211731563U true CN211731563U (en) 2020-10-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020325501.8U Active CN211731563U (en) 2020-03-16 2020-03-16 Connection structure of frame

Country Status (1)

Country Link
CN (1) CN211731563U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428229A (en) * 2021-08-26 2021-09-24 徐州奥丰交通运输设备有限公司 Van-type trailer connecting piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428229A (en) * 2021-08-26 2021-09-24 徐州奥丰交通运输设备有限公司 Van-type trailer connecting piece

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