CN2936880Y - Open locking device of bonnet of tractor - Google Patents
Open locking device of bonnet of tractor Download PDFInfo
- Publication number
- CN2936880Y CN2936880Y CN 200620012809 CN200620012809U CN2936880Y CN 2936880 Y CN2936880 Y CN 2936880Y CN 200620012809 CN200620012809 CN 200620012809 CN 200620012809 U CN200620012809 U CN 200620012809U CN 2936880 Y CN2936880 Y CN 2936880Y
- Authority
- CN
- China
- Prior art keywords
- plate member
- component
- wall outer
- side cover
- top component
- 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.)
- Expired - Fee Related
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- Body Structure For Vehicles (AREA)
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a roof cover and side cover structure for vehicles, which comprises a roof cover component, a side cover outer plate component, a side cover inner plate component, a joint section formed by the roof cover component and the side cover outer plate component, and a closed cavity formed by the side cover outer plate component and the side cover inner plate, wherein the first welded joint section of the side cover outer plate component and the side cover inner plate component on one side of the roof cover component being extends to the underside of the roof cover component, the joint section of the roof cover component and the side cover outer plate component is designed into a sharp angle contact, wherein the connection between the roof cover component and the side cover outer plate adopts laser welding. The roof cover and side cover structure has the advantages of high rigidity, good connection strength, and beautiful product visible area.
Description
Technical field
The utility model relates to a kind of automobile top-cap and gusset structure, the automobile top-cap and the gusset structure that specifically adopt laser welding to form, and this structure has high welding quality, can improve the strength and stiffness of vehicle body, and obviously improves presentation quality.
Background technology
Motorcar body is made up of steel stamping part basically, mainly connects by traditional welding manner, as spot welding, CO2 gas shield arc welding and black electrode argon arc welding etc.Prior welding mode exists cal val big, easily cause the big shortcoming of weld assembly distortion, especially in the place that appearance requirement is arranged, often, traditional welding manner abandons graceful outward appearance, so that structure satisfies the welding process needs owing to being difficult to obtain satisfied exterior quality.
Fig. 1 represents the automobile top-cap and the gusset structure of prior art, and this structure adopts spot welding formation by top component 1 and the side-wall outer-plate member 2 of forming closed cavity 4 and side-wall inner-plate member 3 totally 3 members overlap joints.Earlier side-wall outer-plate member 2 and side-wall inner-plate member 3 are welded to form at its overlapping part between the two and have the buttress bracing struts structure of closed cavity 4, then, top component 1 carries out spot welding with the parallel again overlap joint of a side overlapping part 6 of closed cavity 4, forms a rigid body.Because spot welding requires overlapping part 6 should be in open space, so that spot-wedling electrode 7 and electrode 8 advance and retreat, so just there is contradiction in the viewing area 5 as a product on the side-wall outer-plate member 2 with the buttress bracing struts rigidity with closed cavity 4: make that the buttress bracing struts rigidity with closed cavity 4 is bigger, to obtain higher safety of structure, must increase the size of closed cavity 4, just to increase the size of viewing area 5, like this, just can not lose the aesthetic look of product by aesthetic impact with less size design viewing area 5; Otherwise, press aesthetic impact with less size design viewing area 5, though can obtain the aesthetic look of product, less because of the cross sectional dimensions of closed cavity 4, make buttress bracing struts rigidity strong inadequately with closed cavity 4, just can not get higher safety of structure.Simultaneously, the lap-joint of spot welding fusion is very limited, and Joint strenght can not show a candle to laser beam welding.
The characteristics of laser welding are that cal val is little, and soldered member thermal deformation is minimum, can obtain higher exterior quality and failure-free Joint strenght, can keep product to have graceful moulding.
The utility model content
The purpose of this utility model provides a kind of automobile top-cap and gusset structure, and this top cover and gusset structure provide improved Joint strenght, and has graceful outward appearance.
Top cover of the present utility model and gusset structure comprise a top component, one side-wall outer-plate member, one side-wall inner-plate member, the overlapping part that described top component and side-wall outer-plate member form, and the closed cavity that forms by side-wall outer-plate member and side-wall inner-plate member, wherein side-wall outer-plate member and side-wall inner-plate member are below the first overlapping part that welds of top component one side reaches this top component, and the overlapping part of top component and side-wall outer-plate member designs in an acute angle the contact.Being connected between described top component and the side-wall outer-plate member adopts laser welding to form.
According to an embodiment of the present utility model, the acute angle of the overlapping part of top component and side-wall outer-plate member is the 2-6 degree.
According to another embodiment of the present utility model, the cross sectional dimensions of closed cavity designs greatlyyer, has the buttress bracing struts rigidity of closed cavity with enhancing.
According to another embodiment of the present utility model, the overlapping part of described top component and side-wall outer-plate member is continuous along the path of setting.
Compare with the traditional welding method spot welding (see figure 1) of auto body top cover and gusset, the utility model is by adopting the laser welding (see figure 2), the cross sectional dimensions of closed cavity just can design greatlyyer, has the buttress bracing struts rigidity of closed cavity thereby strengthen, obtain higher safety of structure, simultaneously, the viewing area as a product is designed by aesthetic impact with less size, be obtained the aesthetic look of product.
Description of drawings
Fig. 1 is the automobile top-cap of the spot welded prior art of employing and the cross sectional drawing of gusset structure.
Fig. 2 is the automobile top-cap of the present invention of employing laser beam welding technology acquisition and the cross sectional drawing of gusset structure.
The specific embodiment
Fig. 2 shows a preferred embodiment of the present utility model, wherein shows the cross-sectional plane at roof side back timber position, is the welded structure of car body top cover and gusset.This welded structure comprises a top component 1, one a side-wall outer-plate member 2 and a side-wall inner-plate member 3.Described top component 1 forms overlapping part 6 with side-wall outer-plate member 2, forms closed cavity 4 by side-wall outer-plate member 2 and side-wall inner-plate member 3.Wherein side-wall outer-plate member 2 and side-wall inner-plate member 3 are below the first overlapping part 6 that welds of top component 1 one sides reaches this top component 1, and the overlapping part 6 of top component 1 and side-wall outer-plate member 2 designs in an acute angle the contact.Being connected between this top component 1 and the side-wall outer-plate member 2 adopts laser welding to form.The part of this side-wall outer-plate member 2 forms a viewing area 5.
The utility model with side-wall outer-plate member 2 and side-wall inner-plate member 3 top component 1 one sides in advance the overlapping part of welding reach below the top component 1.Like this, the cross sectional dimensions of closed cavity 4 just can design greatlyyer, has the buttress bracing struts rigidity of closed cavity 4 thereby strengthen, obtain higher safety of structure, simultaneously, viewing area 5 as a product is designed with less size by aesthetic impact, obtained graceful product appearance.Like this, one side of the overlapping part of top component 1 and side-wall outer-plate member 2 will be closed cavity 4 and isolate to live, be that overlapping part 6 can not be used spot welding because of a spot-wedling electrode can't contact and welds, though and traditional welding technology is not subjected to the restriction of closed cavity 4, can be in an open side at the overlapping part of top component 1 and side-wall outer-plate member 2 welds, but, can make member 1 and 2 produce big torsional deflection and also should not adopt because of cal val is big.Comparatively speaking, the laser beam welding cal val is just little many, and, can not be subjected to the restriction of closed cavity 4, can be in an open side at the overlapping part of top component 1 and side-wall outer-plate member 2 this two member is welded.
The utility model is designed to laser welding with the welding manner of top component 1 and side-wall outer-plate member 2, and overlapping part is pressed the acute angle contact.Scrap (bridge) to be welded is under clamping tool 9 effects on the top component 1, and elastic component clamps mutually and produces the acute angles beta (numerical value preferably between 2 ° to 6 ° between) of distortion to obtain to set, and carries out laser beam welding at the end face of top component 1 scrap (bridge) and realizes connecting.Here, the preferably low-melting zinc coating steel plate of side-wall outer-plate member 2.The effect of acute angles beta is that the zinc fume that is produced when laser welded seam is formed is discharged along the acute angles beta passage, prevents that steam from remaining in the weld seam, thereby reduces welding quality.
The projection head of laser beam 10 is preferably rigidly connected with the axle as the continuous rotation roller 9 of clamping tool, and they move continuously along the path of setting, and forms weld seam continuous or segmentation on bridge piece.Because the length of laser welded seam welding is more much longer than spot welding, Joint strenght is strong more than spot welding.
The measure that the utility model proposes can be separately or synthetically is used for the auto-industry product produced in enormous quantities.
Claims (3)
1. automobile top-cap and gusset structure, it is characterized in that: described structure comprises a top component, one side-wall outer-plate member, one side-wall inner-plate member, the overlapping part that described top component and side-wall outer-plate member form, and the closed cavity that forms by side-wall outer-plate member and side-wall inner-plate member, wherein side-wall outer-plate member and side-wall inner-plate member are below the first overlapping part that welds of top component one side reaches this top component, the overlapping part of top component and side-wall outer-plate member designs in an acute angle the contact, and wherein being connected between top component and the side-wall outer-plate member adopts laser welding to form.
2. automobile top-cap according to claim 1 and gusset structure is characterized in that, the acute angle of the overlapping part of described top component and side-wall outer-plate member is the 2-6 degree.
3. automobile top-cap according to claim 2 and gusset structure is characterized in that, the overlapping part of described top component and side-wall outer-plate member is continuous or segmentation along the path of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012809 CN2936880Y (en) | 2006-04-12 | 2006-04-12 | Open locking device of bonnet of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012809 CN2936880Y (en) | 2006-04-12 | 2006-04-12 | Open locking device of bonnet of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2936880Y true CN2936880Y (en) | 2007-08-22 |
Family
ID=38360901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620012809 Expired - Fee Related CN2936880Y (en) | 2006-04-12 | 2006-04-12 | Open locking device of bonnet of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2936880Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372035A (en) * | 2011-10-31 | 2012-03-14 | 重庆长安汽车股份有限公司 | Connecting structure of automobile side-wall assembly and rear apron plate assembly as well as rear floor assembly |
| CN102991580A (en) * | 2012-12-03 | 2013-03-27 | 奇瑞汽车股份有限公司 | Automobile side body outer plate-top cover lap joint region structure and design method thereof |
| CN103879455A (en) * | 2014-02-27 | 2014-06-25 | 湖南湖大三佳车辆技术装备有限公司 | Integral car body frame |
| CN107554618A (en) * | 2016-07-01 | 2018-01-09 | 上汽通用五菱汽车股份有限公司 | A kind of back timber component |
| CN107972740A (en) * | 2017-12-18 | 2018-05-01 | 东风汽车集团有限公司 | A kind of floated head cover and gusset section structure |
| CN110587128A (en) * | 2019-08-26 | 2019-12-20 | 中国第一汽车股份有限公司 | Method for connecting inner plate and outer plate of body-in-white opening and closing part |
| CN110666273A (en) * | 2019-11-18 | 2020-01-10 | 华工法利莱切焊系统工程有限公司 | Welding lap joint structure and welding method thereof |
-
2006
- 2006-04-12 CN CN 200620012809 patent/CN2936880Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372035A (en) * | 2011-10-31 | 2012-03-14 | 重庆长安汽车股份有限公司 | Connecting structure of automobile side-wall assembly and rear apron plate assembly as well as rear floor assembly |
| CN102991580A (en) * | 2012-12-03 | 2013-03-27 | 奇瑞汽车股份有限公司 | Automobile side body outer plate-top cover lap joint region structure and design method thereof |
| CN102991580B (en) * | 2012-12-03 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of Automobile side body outer plate-top cover lap joint region structure and method of designing thereof |
| CN103879455A (en) * | 2014-02-27 | 2014-06-25 | 湖南湖大三佳车辆技术装备有限公司 | Integral car body frame |
| CN107554618A (en) * | 2016-07-01 | 2018-01-09 | 上汽通用五菱汽车股份有限公司 | A kind of back timber component |
| CN107972740A (en) * | 2017-12-18 | 2018-05-01 | 东风汽车集团有限公司 | A kind of floated head cover and gusset section structure |
| CN110587128A (en) * | 2019-08-26 | 2019-12-20 | 中国第一汽车股份有限公司 | Method for connecting inner plate and outer plate of body-in-white opening and closing part |
| CN110666273A (en) * | 2019-11-18 | 2020-01-10 | 华工法利莱切焊系统工程有限公司 | Welding lap joint structure and welding method thereof |
| CN110666273B (en) * | 2019-11-18 | 2021-09-03 | 华工法利莱切焊系统工程有限公司 | Welding lap joint structure and welding method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20130412 |