CN106394702B - The connection structure of car engine room longeron and front wall crossbeam - Google Patents

The connection structure of car engine room longeron and front wall crossbeam Download PDF

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Publication number
CN106394702B
CN106394702B CN201610887291.XA CN201610887291A CN106394702B CN 106394702 B CN106394702 B CN 106394702B CN 201610887291 A CN201610887291 A CN 201610887291A CN 106394702 B CN106394702 B CN 106394702B
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China
Prior art keywords
front wall
glued
face
longeron
connector
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CN201610887291.XA
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Chinese (zh)
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CN106394702A (en
Inventor
陈春龙
陈君
张之好
陈志恒
李红艳
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.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Co Ltd
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Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely New Energy Commercial Vehicle Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201610887291.XA priority Critical patent/CN106394702B/en
Publication of CN106394702A publication Critical patent/CN106394702A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D27/00Connections between superstructure or understructure sub-units
    • B62D27/02Connections between superstructure or understructure sub-units rigid
    • B62D27/026Connections by glue bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded

Abstract

The present invention proposes that a kind of connection structure of cabin longeron and front wall crossbeam, the cabin longeron are connected with front wall crossbeam by a connection piece, and the front end of the connector is glued with the cabin longeron assembly left and right sides, which is glued with the front wall crossbeam.Cabin longeron is used with front wall crossbeam possesses preferable rigidity and strength aluminium alloy proximate matter, and section bar mold input cost is low, and production efficiency is high.The connection structure structure novel is unique, realizes that longeron and the three-dimensional of crossbeam connect, using structure glue technique for sticking, because of the characteristic of structure glue cold-adhered heat cure so that for bonding region without heat affecting, the intensity after bonding solidification is unaffected.Meanwhile the assembling deviation between part itself foozle and part is eliminated using its glue thickness before structure glue is uncured, to improve the accuracy of manufacture.

Description

The connection structure of car engine room longeron and front wall crossbeam
Technical field
The present invention relates to the connection structure between a kind of auto parts and components, more particularly to a kind of car engine room longeron and front wall The connection structure of crossbeam.
Background technology
Currently, all-aluminium body technology is more and more universal in the market, the cabin longeron of all-aluminium body vehicle and the connection of crossbeam Mainly have that aluminium sheet punching parts mutually overlap or proximate matter part and cast aluminium part overlap two kinds of connection types.Aluminium sheet punching parts phase Mutually overlapped form, the structure composition part is more and equal punch forming, longeron pass through parts flanged-edge spot welding, welding with crossbeam Or the forms connection such as riveting.And proximate matter part and cast aluminium part joint form, main parts size are proximate matter longeron and cast aluminium zero Part, the two are mainly attached by riveting or welding.
Wherein, aluminum alloy part diel cost is substantially differed 100 ten thousand to 200 ten thousand, and proximate matter component die at This only has 1-4 ten thousand.The shortcomings of aluminium casting is complicated, and design cycle length, die cost are high, and there are sightless casting flaws. Such as using this connection type is welded, there are the heat affected areas of larger area for welding, lead to the reduction of heat affected area material property 30%-40%, and weld and there is uncertainty to the deformation direction of part, this will lead to the reduction of Auto-body manufacturing precision.Riveting Connection type, have the shortcomings that shear strength is low, peel strength is low.
Invention content
In view of this, the present invention is directed to propose a kind of connection structure of car engine room longeron and front wall crossbeam, is passed with overcoming The connection structure component die development cost of system is high, parts rigidity and intensity difference, bonding strength are low, weld affected zone is big, weldering Connect the technical problem that technological requirement is high, the accuracy of manufacture is low.
The connection structure of car engine room longeron and front wall crossbeam provided by the invention, the car engine room longeron include two It is connected positioned at automobile both sides and between the cabin longeron assembly that automobile front-rear direction extends, the rear end of two cabin longeron assemblies Front wall crossbeam, which is fixedly connected by a connection piece with the front wall crossbeam respectively, before the connector End is glued with the cabin longeron assembly left and right sides, which is glued with the front wall crossbeam.
Further, the connector front end is equipped with the first splicing face and the second splicing face being mutually parallel, first glue Junction is glued face with second and is glued with the cabin longeron assembly left and right sides.
Further, the connector rear end is additionally provided with the third splicing face being connect with the front wall crossbeam and is glued with the 4th Face, which is glued face and the 4th splicing face is arranged in parallel.
Further, the third is glued face with the 4th to be glued face stepped, and third splicing face is located at described the Four are glued at left and right sides of face in convex shape structure, and the described 4th is glued face far from the cabin longeron assembly.
Further, the first splicing face, the second splicing face are glued face with the third and are mutually perpendicular to, first glue Junction, the second splicing face and the 4th splicing face are mutually perpendicular to.
Further, which includes the first connector and the second connector, and it is hinged which is equipped with one Portion is additionally provided with an arc groove inside the articulated section, which is equipped with and is mutually fitted with the arc groove shape The convex block matched, the convex block can be embedded in the arc groove, second connector can the convex block be rotation center rotation.
Further, it is equipped with a bonding plane on first connector and the second connector, second connector passes through The convex block, which is embedded in the articulated section, to be rotated, and two bonding plane is made to be bonded to each other.
Further, described first is glued face, the second splicing face, the 4th splicing face and the first connector and the second company It is equipped with coating groove on bonding plane on fitting.
Further, the front wall crossbeam includes front wall upper beam and front wall bottom end rail, the front wall upper beam under front wall Crossbeam is in stepped construction.
Further, the front wall upper beam is glued face with the third on the upside of the 4th splicing face and is glued, and is located at the 4th Third on the downside of splicing face is glued face and is glued with the front wall bottom end rail, and the described 4th is glued on the upside of face and front wall upper beam glue It connects, the described 4th is glued on the downside of face and front wall bottom end rail splicing.
The connection structure of the car engine room longeron and front wall crossbeam of the present invention, the use of cabin longeron and front wall crossbeam possess compared with Good rigidity and strength aluminium alloy proximate matter, and section bar mold input cost is low, production efficiency is high.The connection structure structure novel is only Spy is realized that longeron and the three-dimensional of crossbeam connect, is made because of the characteristic of structure glue cold-adhered heat cure using structure glue technique for sticking Bonding region is obtained without heat affected area, the intensity after bonding solidification is unaffected.Meanwhile its glue is utilized before structure glue is uncured Thickness eliminates the assembling deviation between part itself foozle and part, to improve the accuracy of manufacture.
Description of the drawings
Fig. 1 is the dimensional structure diagram of car engine room longeron of the present invention and the connection structure of front wall crossbeam.
Fig. 2 is the decomposition texture schematic diagram in Fig. 1.
Fig. 3 is that cabin longeron and connector are linked and packed schematic diagram.
Fig. 4 is the diagrammatic cross-section of the assembling process of cabin longeron and connector.
Fig. 5 is cabin longeron and the diagrammatic cross-section after the completion of connector assembly.
Fig. 6 is the structural schematic diagram of front wall upper beam.
Fig. 7 is the structural schematic diagram of front wall bottom end rail.
Specific implementation mode
Further to illustrate that the present invention is to reach technological means and effect used by predetermined goal of the invention, below in conjunction with Specific implementation mode, structure, feature and its effect of the present invention is described in detail as after in attached drawing and preferred embodiment.
As shown in Figure 1 and Figure 2, a kind of connection structure of car engine room longeron and front wall crossbeam, the car engine room longeron packet It includes two and is located at automobile both sides and the cabin longeron assemblies 10 that extend along automobile front-rear direction, after two cabin longeron assemblies 10 One front wall crossbeam 30 of end connection, which is fixed by a connection piece 20 and the front wall crossbeam 30 respectively connects Connect, the front end of the connector 20 and 10 left and right sides of cabin longeron assembly are glued, 20 rear end of connector with it is described before Enclose the splicing of crossbeam 30.
As shown in Figures 2 and 4, which includes the first connector 201 and the second connector 202, first connection Part 201 is equipped with an articulated section 25, is additionally provided with an arc groove 26 inside the articulated section 25, which sets There is convex block 27 compatible with 26 shape of the arc groove, which can be embedded in the arc groove 26, second connection Part 202 can be rotated with the convex block 27 for rotation center.
Specifically, 20 front end of the connector is equipped with the first splicing face 21 and second splicing face 22, wherein first splicing Face 21 is located on first connector 201, which is located on second connector 202, the first splicing face 21 It is opposite with the second splicing face 22 and be arranged in parallel in 10 left and right sides of cabin longeron assembly.The first splicing face 21 and the second glue Junction 22 passes through structure glue connection with 10 left and right sides of cabin longeron assembly.
20 rear end of connector is additionally provided with the third being connect with the front wall crossbeam 30 and is glued face 23 and the 4th splicing face 24, The third is glued face 23 and the 4th splicing face 24 is arranged in parallel.It is in ladder that the third, which is glued face 23 and the 4th and is glued face 24, Shape, it is in convex shape structure that the third, which is glued face 23 to be located at about 24 both sides of the 4th splicing face, and the described 4th is glued face 24 Far from the cabin longeron assembly 10.
It should be understood that the first splicing face 21, the second splicing face 22 are glued face 23 with the third and are mutually perpendicular to, institute The first splicing face 21, the second splicing face 22 and the 4th splicing face 24 is stated to be mutually perpendicular to.
Wherein, it is equipped with a bonding plane (the non-label of figure) on first connector 201 and the second connector 202, described the Two connectors 202 are embedded in by the convex block 27 in the articulated section 25, and direction shown in arrow rotates along Fig. 4, makes two bonding planes Be bonded to each other, this first be glued face 21 with second splicing face 22 it is parallel and with 10 left and right sides face paste of cabin longeron assembly It closes (as shown in Figure 5).
To ensure to be glued the bonding strength in region, it is glued face 21, second described first and is glued the splicing face of face the 22, the 4th 24 and first connector 201 and the second connector 202 bonding plane on be equipped with coating groove (the non-label of figure), in this implementation In example, the depth of the coating groove is 0.2mm, and splicing region is made to possess enough structure glues, and the clear zone of action.
As shown in Figure 2, Figure 6 and Figure 7, the front wall crossbeam 30 includes front wall upper beam 31 and front wall bottom end rail 32, before this It is in stepped construction that crossbeam 31, which is placed, with front wall bottom end rail 32.The third is glued face 23 and is located at the 4th splicing 24 upper portion of face It is glued with the front wall upper beam 31, it is horizontal under the 4th splicing 24 lower portion of face and the front wall which is glued face 23 Beam 32 connects.4th is glued the upside in face 24 and the front wall upper beam 31 splicing, lower portion and front wall bottom end rail 32 It is glued.
Fig. 4 is the diagrammatic cross-section of the assembling process of cabin longeron and connection structure, and assembling process is as shown in figure 4, elder generation It is glued coating structure glue and dress Nian Jie with the right side of the cabin longeron assembly 10 on face 21 the first of the first connector 201 Match, the convex block 27 of 202 one end of the second connector is embedded into the hinge part 25 of first connector 201, inside the articulated section 25 And second be glued face 22 in advance be coated with structure glue, then, second connector 202 along Fig. 4 arrow direction rotate, directly Second on to the second connector 202 is glued the left side adhesive asserably in face 22 and cabin longeron assembly 10, after assembly State is as shown in Figure 5.
It should be appreciated that being also coated with structure glue inside the articulated section 25, there is abnormal sound after component assembly can be prevented.This A connection piece 201 is same as the bonding plane that the second connector 202 fits to use structure glue bonding connection.
Then, the assembly with front wall crossbeam 30 is carried out, because front wall crossbeam 30 divides for front wall upper beam 31 and front wall bottom end rail 32, and the front wall upper beam 31 uses front and back stepped construction with front wall bottom end rail 32, can be realized after Nian Jie with connector 20 Solid connection.Specifically, first it is glued face 23 and the 4th in third and is glued coating structure glue on face 24, which is glued face 23 and is located at 4th is glued 24 upper portion of face is glued with the front wall upper beam 31, which is glued face 23 and is glued face 24 positioned at the 4th Lower portion is connect with the front wall bottom end rail 32.4th is glued the upper end in face 24 and the front wall upper beam 31 splicing, It is glued with front wall bottom end rail 32 lower portion.
It is thick shape fluid under room temperature, after being heated to certain temperature it should be noted that the structure glue used in the present invention Kept for a period of time can fully cure, solidification temperature is relatively low, compared with welding without heat affected area, i.e. bonding region part Intensity is unaffected, is equal to base material.Structure glue employed in the present embodiment is kept for 30 minutes after being heated to 190 ° Fully solidification.That is, part itself manufacture deviation and zero can be eliminated using structure glue thickness before structure glue is uncured Rigging error between part achievees the purpose that improve the accuracy of manufacture.
In the present invention, cabin longeron assembly 10 and front wall crossbeam 30 are all made of the aluminium alloy extrusions of better performances, in proximate matter Portion's crystal grain is thinner, thus has preferable intensity and rigidity, in addition, the cost of section mould for aluminium alloy is relatively low so that this hair Bright die cost substantially reduces, while production efficiency also can be improved.
In conclusion the connection structure of the car engine room longeron and front wall crossbeam of the present invention, cabin longeron and front wall crossbeam Using the aluminium alloy extrusions for possessing preferable rigidity and intensity, and section bar mold input cost is low, and production efficiency is high.The connection knot Structure structure novel is unique, realizes that longeron and the three-dimensional of crossbeam connect, using structure glue technique for sticking, because of structure glue cold-adhered thermosetting The characteristic of change so that for bonding region without heat affecting, the intensity after bonding solidification is unaffected.Meanwhile structure glue it is uncured it The preceding assembling deviation eliminated using its glue thickness between part itself foozle and part, to improve the accuracy of manufacture.
Connection structure and embodiment of the specific case to the car engine room longeron and front wall crossbeam of the present invention are applied herein It is expounded, the explanation of embodiment of above is merely used to help understand the method and its core concept of the present invention;Meanwhile it is right In those of ordinary skill in the art, according to the thought of the present invention, change is had on specific embodiment and its application range Place, to sum up, the content of the present specification should not be construed as limiting the invention, and protection scope of the present invention should be with appended right Subject to it is required that.

Claims (9)

1. a kind of connection structure of car engine room longeron and front wall crossbeam, the car engine room longeron includes two and is located at automobile two Side and the cabin longeron assembly (10) extended along automobile front-rear direction, connect one between the rear end of two cabin longeron assemblies (10) Front wall crossbeam (30), it is characterised in that:The two cabins longeron assembly (10) is horizontal by a connection piece (20) and the front wall respectively Beam (30) is fixedly connected, and the front end of the connector (20) is glued with cabin longeron assembly (10) left and right sides, the connection It is glued with the front wall crossbeam (30) part (20) rear end;The connector (20) connect including the first connector (201) with second Part (202), first connector (201) are equipped with an articulated section (25), and it is recessed to be additionally provided with an arc inside the articulated section (25) Slot (26), the second connector (202) one end are equipped with convex block (27) compatible with the arc groove (26) shape, the convex block (27) can be embedded in the arc groove (26), second connector (202) can the convex block (27) be rotation center rotation.
2. the connection structure of car engine room longeron and front wall crossbeam as described in claim 1, it is characterised in that:The connector (20) front end is equipped with the first splicing face (21) being mutually parallel and the second splicing face (22), the first splicing face (21), second glue Junction (22) is glued with cabin longeron assembly (10) left and right sides respectively.
3. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 2, it is characterised in that:The connector (20) rear end is additionally provided with third splicing face (23) being connect with the front wall crossbeam (30) and the 4th splicing face (24), the third glue Junction (23) and the 4th splicing face (24) are arranged in parallel.
4. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 3, it is characterised in that:The third glue Junction (23) and the 4th splicing face (24) are stepped, and the third is glued face (23) and is located at the 4th splicing face (24) left and right Both sides are in convex shape structure, and the described 4th is glued face (24) far from the cabin longeron assembly (10).
5. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 4, it is characterised in that:First glue Junction (21), second are glued face (22) and are mutually perpendicular to third splicing face (23), and described first is glued face (21), the second glue Junction (22) is glued face (24) with the described 4th and is mutually perpendicular to.
6. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 5, it is characterised in that:First connection It is equipped with a bonding plane on part (201) and the second connector (202), second connector (202) is embedding by the convex block (27) Enter rotation in the articulated section (25), two bonding plane is made to be bonded to each other.
7. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 6, it is characterised in that:First glue Junction (21), second are glued face (22), the 4th splicing face (24) and the first connector (201) and the second connector (202) Coating groove is equipped on bonding plane.
8. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 7, it is characterised in that:The front wall is horizontal Beam (30) includes front wall upper beam (31) and front wall bottom end rail (32), which is in rank with front wall bottom end rail (32) Ladder type structure.
9. the connection structure of car engine room longeron and front wall crossbeam as claimed in claim 8, it is characterised in that:In the front wall Crossbeam (31) is glued face (23) with the third being glued positioned at the 4th on the upside of face (24) and is glued, and is located at the 4th and is glued on the downside of face (24) Third is glued face (23) and is glued with the front wall bottom end rail (32), and the described 4th is glued on the upside of face (24) and front wall upper beam (31) It is glued, the described 4th is glued on the downside of face (24) and the front wall bottom end rail (32) splicing.
CN201610887291.XA 2016-10-11 2016-10-11 The connection structure of car engine room longeron and front wall crossbeam Active CN106394702B (en)

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CN107539166B (en) * 2017-08-23 2019-09-17 浙江英伦汽车有限公司 Seat mounting bracket and its assemble method
CN110143235B (en) * 2019-05-24 2020-07-28 武汉格罗夫氢能汽车有限公司 Connecting piece for connecting automobile front longitudinal beam and automobile body
CN111907599B (en) * 2020-08-14 2021-08-03 芜湖禾田汽车工业有限公司 Application of all-aluminum alloy spliced auxiliary frame in chassis lightweight

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