CN203666778U - Frame longitudinal beam and frame - Google Patents

Frame longitudinal beam and frame Download PDF

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Publication number
CN203666778U
CN203666778U CN201320773907.2U CN201320773907U CN203666778U CN 203666778 U CN203666778 U CN 203666778U CN 201320773907 U CN201320773907 U CN 201320773907U CN 203666778 U CN203666778 U CN 203666778U
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CN
China
Prior art keywords
inner panel
section
outside plate
overlap joint
joint groove
Prior art date
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Expired - Fee Related
Application number
CN201320773907.2U
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Chinese (zh)
Inventor
王雪峰
齐改霞
乔君辉
焦娜永
陈建
董苗静
李晓龙
宋永辉
刘彦龙
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201320773907.2U priority Critical patent/CN203666778U/en
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Publication of CN203666778U publication Critical patent/CN203666778U/en
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Abstract

The utility model discloses a frame longitudinal beam and a frame, and relates to frame structures of vehicle bodies. The frame longitudinal beam and the frame improve the connecting strength of the longitudinal beam and the bearing capacity of the longitudinal beam. The frame longitudinal beam is formed by the fact that a plurality of longitudinal beam sections are in mutual connection from front to back in the length direction, and each longitudinal beam section is formed by the fact that an inner plate and an outer plate are buckled with each other in the width direction. The tail end of the inner plate of one front longitudinal beam section is provided with a first inner plate lap joint groove and a second inner plate lap joint groove from front to back, the tail end of the outer plate in the front longitudinal beam section is correspondingly provided with a first outer plate lap joint groove which is in lap joint into the first inner plate lap joint groove, the heat end of the inner plate in one rear longitudinal beam section is in lap joint into the second inner plate lap joint groove, and the head end of the outer plate in the rear longitudinal beam section is in lap joint into the first outer plate lap joint groove. The frame longitudinal beam and the frame are mainly used in non-bearing type frame structures.

Description

A kind of chassis side rail and vehicle frame
Technical field
The utility model relates to the body frame structure for automotive of vehicle body, relates in particular to a kind of chassis side rail and vehicle frame.
Background technology
In the vehicle of the body-chassis frame constructions such as cross-country car, lorry, picking-up vehicle, vehicle frame is assembling matrix and the bearing substrate of automobile, and its effect is each assembly or the parts that support, connect automobile, bears the various moments from chassis and vehicle body simultaneously.Therefore, require vehicle frame to have enough Rigidity and strengths, to ensure that it has enough reliability.
Longeron is the main load-carrying unit of vehicle frame, is also workpiece maximum in vehicle frame, and in the vehicle of body-chassis frame construction, chassis side rail is along longitudinal layout of vehicle, and on the length direction of whole vehicle, the strong point of vehicle body and container is all fixed on longeron.In order to reduce the size of mould and the welding tooling of making longeron, to reduce difficulty and the cost of processing longeron, often the longeron of tubulose is divided into some sections, the whole longeron of composition finally docks each section of longeron section, be welded.Therefore the connection structure between each section of longeron section and welding quality play vital effect to the intensity of longeron entirety.
At present, connection mode between each section of longeron section all adopts docking structure, be to dock by engagement section between longitudinal beam at front section of automobile section and back segment longeron section, although also will carry out welding process after docking, but this docking mode Joint strenght is poor, make the intensity of longeron poor, and docking port place ratio is easier to occur fracture failure, thereby causes the load-carrying capacity of longeron to reduce.
Utility model content
Embodiment of the present utility model provides a kind of chassis side rail and vehicle frame, can improve the Joint strenght of longeron and the load-carrying capacity of longeron.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The utility model embodiment provides a kind of chassis side rail, is interconnected and forms from front to back along its length by multistage longeron section, and every section of described longeron section is mutually mutually fastened and forms along its Width by inner panel and outside plate; The end correspondence that described in leading portion, in longeron section, the end of inner panel is provided with the first inner panel overlap joint groove and the second inner panel overlap joint groove, outside plate is from front to back provided with the first plate landing groove being overlapped in described the first inner panel overlap joint groove, and the head end that in longeron section, the head end of inner panel is overlapped on the inside and outside plate of described the second inner panel overlap joint groove described in back segment is overlapped in described the first plate landing groove.
Further, described the first inner panel overlap joint groove forms groove structure by described inner panel by Sheet Metal Forming Technology bending on the end of described inner panel; Described the second inner panel overlap joint groove forms reducing shape structure by described inner panel by Sheet Metal Forming Technology bending on the end of described inner panel.
Further, described the first plate landing groove forms reducing shape structure by Sheet Metal Forming Technology to bending on the end of described outside plate by described outside plate.
Preferably, to form the bending degree of depth of described the first inner panel overlap joint groove identical with the thickness of described outside plate in described inner panel bending; The bending degree of depth that described inner panel bending forms described the second inner panel overlap joint groove is identical with the thickness of described inner panel.
Preferably, to form the bending degree of depth of described the first plate landing groove identical with the thickness of described outside plate in described outside plate bending.
Further preferably, the face of joint of the lap-joint between each described inner panel is inclined-plane, and the face of joint of the lap-joint between each described outside plate is inclined-plane.
Further, described in leading portion, in longeron section, the end of inner panel exceeds the end of outside plate, described in back segment, in longeron section, the head end of outside plate exceeds the head end of inner panel, and the distance that described in leading portion, in longeron section, inner panel exceeds is identical with the distance that outside plate in longeron section described in described back segment exceeds.
Further, between described the first inner panel overlap joint groove and described the second inner panel overlap joint groove, form projection, the height of described projection is identical with the thickness of described inner panel.
The utility model embodiment also provides a kind of vehicle frame, comprises the chassis side rail of above-mentioned arbitrary form.
The chassis side rail that the utility model embodiment provides and vehicle frame, interconnected and form along its length by multistage longeron section, and every section of described longeron section is mutually mutually fastened and forms along its Width by inner panel and outside plate, described in leading portion, in longeron section, the end of inner panel side is provided with the first inner panel overlap joint groove and the second inner panel overlap joint groove from front to back, the end correspondence of outside plate side is provided with the first plate landing groove being overlapped in described the first inner panel overlap joint groove, described in back segment, in longeron section, the head end of inner panel is overlapped in described the second inner panel overlap joint groove, the head end of outside plate is overlapped in described the first plate landing groove, can find out, connection structure in the utility model between each longeron section is formed by two parts, in wherein a part is, the overlapping mode of outside plate, another part is front, the overlapping mode of back segment longeron section, like this interior, after the staggered overlap joint of outside plate, can form each section of longeron section by welding, then before, after overlapping mutually, back segment longeron section also forms chassis side rail by welding, thisly will between each longeron section, couple together by two parts connection structure, can make the Joint strenght between each longeron section improve, thereby improve the intensity of longeron, and the connecting portion branch between each longeron section is not easy to occur fracture failure, and then the load-carrying capacity of longeron is improved.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of the connection of two sections of longeron sections in the chassis side rail that Fig. 1 provides for the utility model embodiment;
In the chassis side rail that Fig. 2 provides for the utility model embodiment, the master of longitudinal beam at front section of automobile section looks schematic diagram;
Fig. 3 looks schematic diagram for the master of the chassis side rail posterior segment longeron section that the utility model embodiment provides;
Fig. 4 is that the outside plate master of longitudinal beam at front section of automobile section in the utility model embodiment looks schematic diagram;
Fig. 5 is that the inner panel master of longitudinal beam at front section of automobile section in the utility model embodiment looks schematic diagram.
Brief description of the drawings:
1-longitudinal beam at front section of automobile section, 10-outside plate, 11-inner panel, 100-the first plate landing groove, 101-lapped butt, 110-the first inner panel overlap joint groove, 111-the second inner panel overlap joint groove, 112-projection 2,113-lapped butt;
2-back segment longeron section, 20-outside plate, 21-inner panel, 200-the 3rd plate landing groove (head end of outside plate 20), 201-lapped butt, 210-the second plate landing groove (head end of inner panel 21), 211-lapped butt.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
Shown in Fig. 1, the utility model embodiment provides a kind of chassis side rail, this chassis side rail is interconnected and forms from front to back along its length by multistage longeron section, and every section of longeron section is mutually mutually fastened and forms along its Width by inner panel and outside plate, and inner panel, outside plate are all spill; The end correspondence that the end of the side of inner panel 11 in longitudinal beam at front section of automobile section 1 (also can be called aerofoil) is provided with the side (also can be called aerofoil) of the first inner panel overlap joint groove 110 and the second inner panel overlap joint groove 111, outside plate 10 is from front to back provided with the first plate landing groove 100 being overlapped in the first inner panel overlap joint groove 110, and the head end 200 that in back segment longeron section 2, the head end 210 of inner panel 21 is overlapped on the inside and outside plate 20 of the second inner panel overlap joint groove 111 is overlapped in the first plate landing groove 100.
Can find out according to above-mentioned, connection structure in the utility model between each longeron section is formed by two parts, in wherein a part is, the overlapping mode of outside plate, another part is front, the overlapping mode of back segment longeron section, like this interior, after the staggered overlap joint of outside plate, can form each section of longeron section by welding, then before, after overlapping mutually, back segment longeron section also forms chassis side rail by welding, thisly will between each longeron section, couple together by two parts connection structure, can make the Joint strenght between each longeron section improve, thereby improve the intensity of longeron, and before can reducing, the stress that back segment longeron section join domain produces is concentrated, make the connecting portion branch between each longeron section be not easy to occur fracture failure, and then the load-carrying capacity of longeron is improved.
It should be noted that, because the length of chassis side rail is longer, for can be as seen from the figure structure comparatively clearly, in the present embodiment, two sections of longeron sections are only shown in Fig. 1, i.e. longitudinal beam at front section of automobile section 1 and back segment longeron section 2.Further combined with Fig. 1-Fig. 5, embodiment of the present utility model is specifically described below.
As shown in Figure 1, chassis side rail in the utility model embodiment comprises multistage longeron section, every section of longeron section is mutually fastened and forms with the outside plate that is concavity by the inner panel that is concavity, between longitudinal beam at front section of automobile section 1 and back segment longeron section 2, after docking, on inner panel and outside plate, form interlaced clinch, clinch comprises the first inner panel overlap joint groove 110, the second inner panel overlap joint groove 111, be overlapped on the first plate landing groove 100 in the first inner panel overlap joint groove 110, be overlapped on the second plate landing groove 210 in the second inner panel overlap joint groove 111, and be overlapped on the 3rd plate landing groove 200 on the first plate landing groove 100, wherein the first inner panel overlap joint groove 110 and the second inner panel overlap joint groove 111 are formed on the end of inner panel 11 from front to back, the first plate landing groove 100 is formed on the end of outside plate 10, the second plate landing groove 210 is formed by the head end of inner panel 21 in back segment longeron section 2, the 3rd plate landing groove 200 is formed by the head end 200 of the outside plate 20 in back segment longeron section 2.
Particularly, as Fig. 2, shown in Fig. 5, the first inner panel overlap joint groove 110 by inner panel 11 by the Sheet Metal Forming Technology groove shape structure that bending forms on the two relative side of inner panel end, as shown in Figure 4, the first plate landing groove 100 forms reducing shape structure by Sheet Metal Forming Technology to the upper bending in the side of outside plate and surface by outside plate 10, such the first plate landing groove 100 is overlapped on the first inner panel overlap joint groove 110 and makes that the first plate landing groove 100 is peripheral forms a slot to make way after interior, the outside plate head end 200 of back segment longeron section 2 can be overlapped in this slot to make way, reduce the high low head being produced by overlap joint, and then can reduce join domain because the stress that high low head produces is concentrated.In addition, the movement of the outside plate 20 that the structure of slot to make way can also limit back segment longeron section 2 on its length direction, has ensured the positioning precision of follow-up longeron section welding
Equally, again in conjunction with Fig. 2 and Fig. 5, for the second inner panel overlap joint groove 111, also can be by the end of inner panel 11 by the Sheet Metal Forming Technology reducing shape structure that bending forms on the two relative side of inner panel end and surface, between such the first inner panel overlap joint groove 110 and the second inner panel overlap joint groove 111, form a projection 112, when the inner panel head end 210 of back segment longeron section 2 is overlapped on the second inner panel overlap joint groove 111 when interior, not only can reduce the high low head being produced by overlap joint, reduce join domain because the stress that high low head produces is concentrated, but also the movement of the inner panel 21 that can limit back segment longeron section 2 on its length direction, ensure the positioning precision of follow-up longeron section welding.
It in overall structure due to chassis side rail, is a comparatively smooth neat structure, therefore after each longeron section connects along its length, the rough structure forming in order to reduce chassis side rail surface, as the preferred scheme of the present embodiment, in the time that the inner panel 10 of longitudinal beam at front section of automobile section 1 carries out bending technique, the bending degree of depth of the first inner panel overlap joint groove 110 of inner panel end is identical with the thickness of outside plate 10 or outside plate 20, the bending degree of depth of the second inner panel overlap joint groove 111 is identical with the thickness of inner panel 11 or inner panel 21, the height of the projection 112 between the first inner panel overlap joint groove 110 and the second inner panel overlap joint groove 111 is also identical with the thickness of inner panel 11 or inner panel 21.
As the more preferred scheme of the utility model embodiment, in the time that the outside plate 10 of longitudinal beam at front section of automobile section 1 carries out Sheet Metal Forming Technology, the bending degree of depth of the first plate landing groove 100 on outside plate 10 is identical with the thickness of outside plate 10 or outside plate 20, in the time that the first plate landing groove 100 rides over the first inner panel overlap joint groove 110, the first plate landing groove 100 flushes with inner panel 11 like this; At the inner panel head end of the second plate landing groove 210(back segment longeron section 2) ride over the second inner panel overlap joint groove 111 when interior, the second plate landing groove 210 flushes with the inner panel 11 of longitudinal beam at front section of automobile section 1; At the outside plate head end of the 3rd plate landing groove 200(back segment longeron section 2) while being overlapped in slot to make way, the 3rd plate landing groove 200 flushes with the outside plate 10 of longitudinal beam at front section of automobile section 1.And then can make the final chassis side rail surface ratio forming more neat.
Continue to consult Fig. 1, the face of joint of the lap-joint between each inner panel is inclined-plane (forming oblique line edge), it is the mitre joint that lapped butt 211 and its length direction of the inner panel 21 shown in lapped butt 113 and the Fig. 3 of inner panel 11 shown in Fig. 2 has oblique angle, the face of joint of the lap-joint between each outside plate is inclined-plane (forming oblique line edge), it is the mitre joint that lapped butt 201 and its length direction of the outside plate 20 shown in lapped butt 101 and the Fig. 3 of outside plate 10 shown in Fig. 2 has oblique angle, to front, while welding between back segment longeron section, can weld along this oblique line directions, form oblique line weld seam.Increase like this fusion length, made longeron bear the ability of positive pressure and moment of flexure strong, improved the Joint strenght between each longeron section.
Because the first plate landing groove 100 of outside plate in longitudinal beam at front section of automobile section 1 is overlapped in the first inner panel overlap joint groove 110 of inner panel, and between the first inner panel overlap joint groove 110 and the second inner panel overlap joint groove 111, there is the structure of projection 112, such the first plate landing groove 100 cannot move in the first inner panel overlap joint groove 110, and the second inner panel overlap joint groove 111 is positioned at the rear end of the first inner panel overlap joint groove 110, therefore in longitudinal beam at front section of automobile section 1, the end of inner panel 11 exceeds the end of outside plate 10, in order to coordinate overlap joint with longitudinal beam at front section of automobile section 1, accordingly, in back segment longeron section 2, the head end of outside plate 20 exceeds the head end of inner panel 21, and the distance that in longitudinal beam at front section of automobile section 1, inner panel 11 exceeds is identical with the distance that outside plate 20 in described back segment longeron section 2 exceeds.
According to said structure, the connection mode of the chassis side rail of here the present embodiment being mentioned is summarized, first the inner panel of longitudinal beam at front section of automobile section 1 11, outside plate 10 are fastened mutually, the first plate landing groove 100 is overlapped in the first inner panel overlap joint groove 110, then by welding, inner panel 11 is connected with outside plate 10, forms longitudinal beam at front section of automobile section 1; Secondly, the inner panel 21 of back segment longeron section 2, outside plate 20 are fastened mutually, by welding, inner panel 21 is connected with outside plate 20, form back segment longeron section 2; Finally, the head end 200 of outside plate 20 in back segment longeron section 2 is overlapped on the first plate landing groove 100 of outside plate 10 of longitudinal beam at front section of automobile section 1, the head end 210 of inner panel 21 is overlapped in the second inner panel overlap joint groove 111 of inner panel 11 of longitudinal beam at front section of automobile section 1, then by welding along the oblique line edge forming between two longeron sections, thereby complete the connection between two longeron sections.In the time that chassis side rail comprises more than three sections longeron sections, successively front and back section longeron section is coupled together, form complete chassis side rail.
The utility model embodiment also provides a kind of vehicle frame, comprises longitudinal and cross beam, the chassis side rail that wherein longeron is above-mentioned arbitrary form, and the specific implementation of this chassis side rail can, with reference to aforementioned content, no longer repeat herein.
Above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims (9)

1. a chassis side rail, is characterized in that, is interconnected and forms from front to back along its length by multistage longeron section, and every section of described longeron section is mutually mutually fastened and forms along its Width by inner panel and outside plate; The end correspondence that described in leading portion, in longeron section, the end of inner panel is provided with the first inner panel overlap joint groove and the second inner panel overlap joint groove, outside plate is from front to back provided with the first plate landing groove being overlapped in described the first inner panel overlap joint groove, and the head end that in longeron section, the head end of inner panel is overlapped on the inside and outside plate of described the second inner panel overlap joint groove described in back segment is overlapped in described the first plate landing groove.
2. chassis side rail according to claim 1, is characterized in that, described the first inner panel overlap joint groove forms groove structure by described inner panel by Sheet Metal Forming Technology bending on the end of described inner panel; Described the second inner panel overlap joint groove forms reducing shape structure by described inner panel by Sheet Metal Forming Technology bending on the end of described inner panel.
3. chassis side rail according to claim 1, is characterized in that, described the first plate landing groove forms reducing shape structure by Sheet Metal Forming Technology to bending on the end of described outside plate by described outside plate.
4. chassis side rail according to claim 2, is characterized in that, the bending degree of depth that described inner panel bending forms described the first inner panel overlap joint groove is identical with the thickness of described outside plate; The bending degree of depth that described inner panel bending forms described the second inner panel overlap joint groove is identical with the thickness of described inner panel.
5. chassis side rail according to claim 3, is characterized in that, the bending degree of depth that described outside plate bending forms described the first plate landing groove is identical with the thickness of described outside plate.
6. according to the chassis side rail described in claim 1-5 any one, it is characterized in that, the face of joint of the lap-joint between each described inner panel is inclined-plane, and the face of joint of the lap-joint between each described outside plate is inclined-plane.
7. according to the chassis side rail described in claim 1-5 any one, it is characterized in that, described in leading portion, in longeron section, the end of inner panel exceeds the end of outside plate, described in back segment, in longeron section, the head end of outside plate exceeds the head end of inner panel, and the distance that described in leading portion, in longeron section, inner panel exceeds is identical with the distance that outside plate in longeron section described in described back segment exceeds.
8. chassis side rail according to claim 7, is characterized in that, between described the first inner panel overlap joint groove and described the second inner panel overlap joint groove, forms projection, and the height of described projection is identical with the thickness of described inner panel.
9. a vehicle frame, is characterized in that, comprises the chassis side rail described in claim 1-8 any one.
CN201320773907.2U 2013-11-29 2013-11-29 Frame longitudinal beam and frame Expired - Fee Related CN203666778U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320773907.2U CN203666778U (en) 2013-11-29 2013-11-29 Frame longitudinal beam and frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320773907.2U CN203666778U (en) 2013-11-29 2013-11-29 Frame longitudinal beam and frame

Publications (1)

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CN203666778U true CN203666778U (en) 2014-06-25

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CN201320773907.2U Expired - Fee Related CN203666778U (en) 2013-11-29 2013-11-29 Frame longitudinal beam and frame

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108909838A (en) * 2018-09-18 2018-11-30 浙江德昱汽车零部件有限公司 A kind of reliable and stable automobile torsion beam
CN108987978A (en) * 2017-06-02 2018-12-11 富士康(昆山)电脑接插件有限公司 Electric connector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108987978A (en) * 2017-06-02 2018-12-11 富士康(昆山)电脑接插件有限公司 Electric connector
CN108987978B (en) * 2017-06-02 2021-08-20 富士康(昆山)电脑接插件有限公司 Electrical connector
CN108909838A (en) * 2018-09-18 2018-11-30 浙江德昱汽车零部件有限公司 A kind of reliable and stable automobile torsion beam

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140625

Termination date: 20211129