CN104326022B - A kind of extending beam assembly - Google Patents
A kind of extending beam assembly Download PDFInfo
- Publication number
- CN104326022B CN104326022B CN201410509049.XA CN201410509049A CN104326022B CN 104326022 B CN104326022 B CN 104326022B CN 201410509049 A CN201410509049 A CN 201410509049A CN 104326022 B CN104326022 B CN 104326022B
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- CN
- China
- Prior art keywords
- plate
- extending beam
- enlarging
- base plate
- soldering member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
Abstract
The present invention relates to a kind of extending beam assembly in body of a motor car, more particularly to body of a motor car.The invention provides a kind of extending beam assembly, including extending beam soldering member, the extending beam soldering member includes base plate and the side plate formed from base plate both sides bending, the ends bent of the side plate has the first lapping plate, the end of the base plate is provided with base plate enlarging bending plate, the end of the side plate is provided with side plate enlarging bending plate, and the base plate enlarging bending plate, side plate enlarging bending plate enclose to form enlarging.The invention has the beneficial effects as follows:The stress performance of extending beam assembly can be improved, high-strength material need not be changed again, advantageously reduce cost.
Description
Technical field
The present invention relates to a kind of extending beam assembly in body of a motor car, more particularly to body of a motor car.
Background technology
Tail end beam extends the necessary structure that girder construction is vehicle frame tail end beam soldering member with crossbeam soldering member overlap joint, it main
Function be:
1. rear crossbeam soldering member is coupled together with tail end beam soldering member;
2. the space of crossbeam cavity and in-car cut-off is provided;
3. provided auxiliary is collided after pair, the impact force of rear end is transferred to Rear frame.
At present, common extension girder construction has following defect:
1. the force request at the lap joint of the extension on vehicle frame is all higher, typically by change high-strength material come plus
By force, but change high-strength material can cause cost raise;
2. the high position of pair stress, is made up by way of increasing reinforcing plate, so again such that cost increases, Welder
Skill becomes complicated.
Content of the invention
In order to solve the problems of the prior art, the invention provides a kind of stress performance is higher, lower-cost extension
Beam assembly.
The invention provides a kind of extending beam assembly, including extending beam soldering member, the extending beam soldering member includes base plate
With the side plate formed from base plate both sides bending, the ends bent of the side plate has the first lapping plate, the end of the base plate
Base plate enlarging bending plate is provided with, the end of the side plate is provided with side plate enlarging bending plate, and the base plate enlarging bending plate, side plate expand
Mouth bending plate encloses to form enlarging.
As a further improvement on the present invention, the base plate enlarging bending plate is bent with the second lapping plate, and the side plate expands
Mouth bending plate is bent with the 3rd lapping plate.
As a further improvement on the present invention, second lapping plate, the 3rd lapping plate are generally aligned in the same plane.
As a further improvement on the present invention, the extending beam assembly also includes rear crossbeam, and the rear crossbeam is prolonged with described
First lapping plate of beam soldering member is mutually overlapped.
As a further improvement on the present invention, the extending beam assembly also includes rear end floor beam outside plate soldering member, described after
Second lapping plate of end floor beam outside plate soldering member and the extending beam soldering member, the 3rd lapping plate are mutually overlapped.
As a further improvement on the present invention, the rear crossbeam is connected with muffler bracket.
As a further improvement on the present invention, the base plate is provided with stage portion.
As a further improvement on the present invention, the stage portion at least two.
The invention has the beneficial effects as follows:By such scheme, the stress performance of extending beam assembly can be improved, again need not be more
High-strength material is changed, advantageously reduces cost.
Description of the drawings
Fig. 1 is a kind of decomposition texture schematic diagram of extending beam assembly of the present invention;
Fig. 2 is a kind of perspective view of extending beam assembly of the present invention;
Fig. 3 is a kind of structural representation of the extending beam soldering member of extending beam assembly of the present invention;
Fig. 4 is the profile A-A of Fig. 3;
Fig. 5 is a kind of structural representation of the extending beam soldering member of extending beam assembly of the present invention.
Specific embodiment
The present invention is further described for explanation and specific embodiment below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 to Fig. 5 is;Crossbeam 1 afterwards;Extending beam soldering member 2;Base plate 21;Base plate enlarging bending plate 21
1;Second lapping plate 2111;Side plate 22;Side plate enlarging bending plate 221;3rd lapping plate 2211;First lapping plate 23;Rear end is horizontal
Beam outside plate soldering member 3;Muffler bracket 4.
As shown in Figures 1 to 5, a kind of extending beam assembly, including extending beam soldering member 2, the extending beam soldering member 2 includes
Base plate 21 and the side plate 22 formed from 21 both sides bending of the base plate, the side plate 22 is perpendicular to the base plate 21, the side plate 2
2 ends bent has the first lapping plate 23, and first lapping plate 23 is set perpendicular to the side plate 22, the end of the base plate 21
There is base plate enlarging bending plate 211, i.e. the outside bending of base plate enlarging bending plate 211, the end of the side plate 22 are provided with side plate enlarging
Bending plate 221, i.e. the outside bending of side plate enlarging bending plate 221, the base plate enlarging bending plate 211, side plate enlarging bending plate 221
Enclose to form enlarging, substantially horn-like, as shown in figure 5, wrap direction of the index wire with arrow for enlarging.
As shown in Figures 1 to 5, the base plate enlarging bending plate 211 is bent with the second lapping plate 2111, the side plate enlarging
Bending plate 221 is bent with the 3rd lapping plate 2211.
As shown in Figures 1 to 5, second lapping plate 2111, the 3rd lapping plate 2211 are generally aligned in the same plane, and are conducive to weldering
Tipping is joined, the welding of three joint faces, substantially all in one plane, and connects in a point welding, and precision is easily controlled;Welding is freely
Degree is big, operates easier.
As shown in Figures 1 to 5, the extending beam assembly also includes rear crossbeam 1, and the rear crossbeam 1 is welded with the extending beam
First lapping plate 23 of component 2 is mutually overlapped.
As shown in Figures 1 to 5, the extending beam assembly also includes rear end floor beam outside plate soldering member 3, outside the rear end floor beam
Second lapping plate 2111 of plate soldering member 3 and the extending beam soldering member 2, the 3rd lapping plate 2211 are mutually overlapped, to overlapping regions
Using horn-like structure so that there is extension junction except Y-direction, Z-direction also has extension, on the one hand, the overlap joint of multiaspect, beneficial to X to
The transmission of active force, hence it is evident that improve the ability of rear impact energy-absorbing;On the other hand, faying surface is ensure that in the confined space
Spot welding space, it is to avoid CO2 welding occur, optimize technique.
As shown in Figures 1 to 5, the rear crossbeam 1 is connected with muffler bracket 4.
As shown in Figures 1 to 5, the base plate 21 is provided with stage portion, in the corner regions that extending beam soldering member 2 easily ftractures
Domain, using the ledge structure of multi-ladder, reasonable layout utilizes material, and by turning, seriously thinning problem is distributed to each of ladder and turns
Angle, had both solved problem of Cracking, is can guarantee that again under part material is changed without, improves performance by optimizing design of part.
As shown in Figures 1 to 5, the stage portion at least two.
A kind of extending beam assembly that the present invention is provided, mainly for common extending beam, extension structure is improved,
Not on the premise of more conversion materials, design of part design itself is optimized, maximum of which benefit, exactly solves single zero
The formability problems of part, the extension program in three faces so that traditional mentality of designing has bigger design space;Both side ensure that
The space of welding assembly mount point and the space of hitch arrangements is enclosed, is also soldering turret to be welded to multiple extension faying surfaces with same
Connect there is provided the useful space, avoid few CO2 to a certain extent and this inefficient, the more serious technique of pollution is welded, have
Effect improves welding efficiency.Meanwhile, extending beam is simpler with peripheral component bonding relation, and piecemeal is fewer.Also it is more preferable size
Stability control is made that certain contribution and guarantee.
The advantage of a kind of extending beam assembly that the present invention is provided is:
1. structure optimization, is easy to shaping, reduces part punching cost and cracking quality problems risk;
2. the horn-like attachment structure in three faces, increases the solder side of overlap joint, disperses the stress of part, improves the durable of part
Property, rear impact energy absorption ability is strengthened;
3. extending beam soldering member 2 is welded in point spelling with rear end floor beam outside plate soldering member 3, and welding space and the free degree are excellent
In welding on main line, easy to operate;
4. higher level material need not be changed or increase the thickness of part, it is ensured that not the increasing of cost of parts;
5. part piecemeal is reduced, and is easy to the control of soldering member accessory size.
Above content is further description made for the present invention with reference to specific preferred embodiment, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (4)
1. a kind of extending beam assembly, it is characterised in that:Including extending beam soldering member, the extending beam soldering member include base plate and from
The side plate that base plate both sides bending is formed, the end that the ends bent of the side plate has the first lapping plate, the base plate is provided with
Base plate enlarging bending plate, the end of the side plate are provided with side plate enlarging bending plate, the base plate enlarging bending plate, side plate enlarging folding
Bent plate encloses to form enlarging, and the base plate enlarging bending plate is bent with the second lapping plate, and the side plate enlarging bending plate is bent with
3rd lapping plate, second lapping plate, the 3rd lapping plate are generally aligned in the same plane, and the extending beam assembly also includes rear crossbeam,
The rear crossbeam is mutually overlapped with the first lapping plate of the extending beam soldering member, and the extending beam assembly is also included outside rear end floor beam
Plate soldering member, the second lapping plate of the rear end floor beam outside plate soldering member and the extending beam soldering member, the 3rd lapping plate are mutually taken
Connect.
2. extending beam assembly according to claim 1, it is characterised in that:The rear crossbeam is connected with muffler bracket.
3. extending beam assembly according to claim 1, it is characterised in that:The base plate is provided with stage portion.
4. extending beam assembly according to claim 3, it is characterised in that:The stage portion at least two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410509049.XA CN104326022B (en) | 2014-09-29 | 2014-09-29 | A kind of extending beam assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410509049.XA CN104326022B (en) | 2014-09-29 | 2014-09-29 | A kind of extending beam assembly |
Publications (2)
Publication Number | Publication Date |
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CN104326022A CN104326022A (en) | 2015-02-04 |
CN104326022B true CN104326022B (en) | 2017-03-08 |
Family
ID=52400865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410509049.XA Active CN104326022B (en) | 2014-09-29 | 2014-09-29 | A kind of extending beam assembly |
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CN (1) | CN104326022B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101362480A (en) * | 2008-09-19 | 2009-02-11 | 重庆长安汽车股份有限公司 | Bridging arrangement of vehicle beam and left-right longeron |
CN201254213Y (en) * | 2008-07-24 | 2009-06-10 | 上汽通用五菱汽车股份有限公司 | Rear vehicle frame extension beam at end part of vehicle |
CN203832563U (en) * | 2014-05-21 | 2014-09-17 | 华创车电技术中心股份有限公司 | Car body reinforcement structure |
CN204197025U (en) * | 2014-09-29 | 2015-03-11 | 上汽通用五菱汽车股份有限公司 | A kind of extending beam assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09221063A (en) * | 1996-02-16 | 1997-08-26 | Press Kogyo Kk | Under carriage frame for truck |
US7651133B2 (en) * | 2007-04-30 | 2010-01-26 | International Truck Intellectual Property Company, Llc | Frame extender |
KR101085821B1 (en) * | 2008-12-30 | 2011-11-22 | 주식회사 성우하이텍 | Front side member for vehicles |
-
2014
- 2014-09-29 CN CN201410509049.XA patent/CN104326022B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201254213Y (en) * | 2008-07-24 | 2009-06-10 | 上汽通用五菱汽车股份有限公司 | Rear vehicle frame extension beam at end part of vehicle |
CN101362480A (en) * | 2008-09-19 | 2009-02-11 | 重庆长安汽车股份有限公司 | Bridging arrangement of vehicle beam and left-right longeron |
CN203832563U (en) * | 2014-05-21 | 2014-09-17 | 华创车电技术中心股份有限公司 | Car body reinforcement structure |
CN204197025U (en) * | 2014-09-29 | 2015-03-11 | 上汽通用五菱汽车股份有限公司 | A kind of extending beam assembly |
Also Published As
Publication number | Publication date |
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CN104326022A (en) | 2015-02-04 |
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