CN206749937U - A kind of beam joint structure - Google Patents

A kind of beam joint structure Download PDF

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Publication number
CN206749937U
CN206749937U CN201720370386.4U CN201720370386U CN206749937U CN 206749937 U CN206749937 U CN 206749937U CN 201720370386 U CN201720370386 U CN 201720370386U CN 206749937 U CN206749937 U CN 206749937U
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CN
China
Prior art keywords
crossbeam
extension
joint
crossbeam extension
longeron
Prior art date
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Active
Application number
CN201720370386.4U
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Chinese (zh)
Inventor
韦利宁
侯明亮
杨回
谢宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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Priority to CN201720370386.4U priority Critical patent/CN206749937U/en
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Abstract

It the utility model is related to a kind of beam joint structure, including crossbeam extension, the crossbeam extension is long slot structure, flange is provided with two sides of the crossbeam extension length direction, the flange is provided with Seat-fixed point, and the both ends of the crossbeam extension are connected with floor crossmember and longeron respectively.The beneficial effects of the utility model are:Solves the problems, such as the welding procedure of crossbeam and longeron overlap joint;Solves the problems, such as the durable road test part cracking TIR of vehicle;Solves general assembly seat assembly problem.

Description

A kind of beam joint structure
Technical field
The utility model belongs to automobile manufacturing field, and in particular to a kind of beam joint structure.
Background technology
Current existing beam joint structure has following problem:
1st, welding procedure problem:The welding that seat reinforcing plate on crossbeam extension blocks crossbeam and longeron ovelapping spot weld is empty Between, cause welding difficulty and quality of welding spot is difficult to ensure card;
2nd, durable road test problem:Crossbeam extension and big beam sides overlapping area are small, solder joint stress easily occur and concentrate cracking TIR problems;
3rd, general assembly assembly problem:Diagram installation nut is seat installation group hole, is dispersed on 2 stamping parts, because welding misses Difference influences, and pitch of holes is difficult to ensure card, general assembly assembling gear hole problem easily occurs.
Utility model content
The utility model proposes a kind of beam joint structure, solves the problems, such as the welding procedure of crossbeam and longeron overlap joint;Solve The durable road test part cracking TIR problems of vehicle;Solves general assembly seat assembly problem.
What the technical solution of the utility model was realized in:
A kind of beam joint structure, including crossbeam extension, the crossbeam extension are long slot structure, are prolonged in the crossbeam Two sides for stretching part length direction are provided with flange, and the flange is provided with Seat-fixed point, and the two of the crossbeam extension End is connected with floor crossmember and longeron respectively.
Preferably, the bottom width of the crossbeam extension from one end that the floor crossmember is connected to the longeron One end of connection is gradually widened.
Preferably, the bottom of the crossbeam extension is in bell mouth shape.
Preferably, the flange of the crossbeam extension is provided with strengthening rib strip.
The beneficial effects of the utility model are:
(1) crossbeam extension and seat reinforcing plate are merged into single stamping parts, one set of die and welding tooling can be reduced Exploitation, when saving the Welder of seat reinforcing plate and crossbeam extension;
(2) crossbeam extension and seat reinforcing plate are merged into single stamping parts, avoided because seat reinforcing plate blocks crossbeam With the welding space of longeron ovelapping spot weld, solve the problems, such as crossbeam extension and big beam sides solder joint difficulty welding procedure;
(3) crossbeam extension is designed as " horn mouth " formula structure, the overlap joint of crossbeam extension and big beam sides can be increased Area, crossbeam extension is formed " triangle " closing chamber just with longeron, improve structure bonding strength, solve solder joint cracking TIR problems;
(4) Seat-fixed point is arranged on single stamping parts crossbeam extension, easily controllable one-piece part size, can be with Avoid the seat installation pitch of holes caused by welding error from not conforming to, improve Seat-fixed point installation accuracy, it is total to solve seat installation Dress gear hole problem.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the beam joint structure described in the utility model embodiment;
Fig. 2 is the beam joint structure and floor crossmember and the scheme of installation of longeron described in the utility model embodiment.
In figure:
1st, crossbeam extension;2nd, flange;3rd, Seat-fixed point;4th, floor crossmember;5th, longeron;6th, strengthening rib strip.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the beam joint structure described in the utility model embodiment, including crossbeam extension 1, the horizontal stroke Beam extension 1 is long slot structure, and flange 2, the flange 2 are provided with two sides of the length direction of crossbeam extension 1 Seat-fixed point 3 is provided with, the both ends of the crossbeam extension 1 are connected with floor crossmember 4 and longeron 5 respectively.
In this example, the bottom of the crossbeam extension 1 is in bell mouth shape.
In this example, the flange 2 of the crossbeam extension 1 is provided with strengthening rib strip 6.
The flange of crossbeam extension and floor crossmember welding edge lap is done to the welding for greatly, setting seat to install nut (will Seat reinforcing plate and crossbeam extension are designed to a part, can reduce exploitation and the welding tooling of a set of diel), and increase Sinew adding strip improves the intensity of mounting surface.
By the upper increasing in X direction of the cavity (vallecular cavity) of crossbeam extension and longeron overlap joint, the overlap joint of increase cavity and longeron Area, keep constant with floor crossmember lap cavity bulk area, form " horn mouth " formula structure, forming " triangle " cavity with longeron takes Binding structure.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims (4)

  1. A kind of 1. beam joint structure, it is characterised in that:Including crossbeam extension, the crossbeam extension is long slot structure, Two sides of the crossbeam extension length direction are provided with flange, and the flange is provided with Seat-fixed point, the crossbeam The both ends of extension are connected with floor crossmember and longeron respectively.
  2. 2. beam joint structure according to claim 1, it is characterised in that:The bottom width of the crossbeam extension from One end of the floor crossmember connection is gradually widened to the one end being connected with the longeron.
  3. 3. beam joint structure according to claim 1, it is characterised in that:The bottom of the crossbeam extension is in horn mouth Shape.
  4. 4. beam joint structure according to claim 1, it is characterised in that:The flange of the crossbeam extension, which is provided with, to be added Strengthening tendons bar.
CN201720370386.4U 2017-04-11 2017-04-11 A kind of beam joint structure Active CN206749937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720370386.4U CN206749937U (en) 2017-04-11 2017-04-11 A kind of beam joint structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720370386.4U CN206749937U (en) 2017-04-11 2017-04-11 A kind of beam joint structure

Publications (1)

Publication Number Publication Date
CN206749937U true CN206749937U (en) 2017-12-15

Family

ID=60612751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720370386.4U Active CN206749937U (en) 2017-04-11 2017-04-11 A kind of beam joint structure

Country Status (1)

Country Link
CN (1) CN206749937U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113086023A (en) * 2021-03-31 2021-07-09 安徽江淮汽车集团股份有限公司 Floor edge beam and manufacturing process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113086023A (en) * 2021-03-31 2021-07-09 安徽江淮汽车集团股份有限公司 Floor edge beam and manufacturing process thereof

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