CN107416041A - A kind of body of a motor car jack strong point reinforcement structure - Google Patents
A kind of body of a motor car jack strong point reinforcement structure Download PDFInfo
- Publication number
- CN107416041A CN107416041A CN201710294775.8A CN201710294775A CN107416041A CN 107416041 A CN107416041 A CN 107416041A CN 201710294775 A CN201710294775 A CN 201710294775A CN 107416041 A CN107416041 A CN 107416041A
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- Prior art keywords
- plate
- reinforcing plate
- jack
- threshold
- strong point
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 50
- 229910000679 solder Inorganic materials 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007373 indentation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2081—Jack receiving devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of body of a motor car jack strong point reinforcement structure, including side-wall outer-plate, threshold reinforcing plate and threshold internal plate, jack reinforcing plate is provided between threshold reinforcing plate and threshold internal plate, the upper and lower part of jack reinforcing plate is provided with U-shaped breach, the both sides of U-shaped breach are provided with connection jack reinforcing plate and side-wall outer-plate, three layers of solder joint of threshold reinforcing plate, and U-shaped indentation, there is provided with three layers of solder joint for connecting the side-wall outer-plate, threshold reinforcing plate and threshold internal plate；The present invention effectively improves the local stiffness and intensity of body jack structure, while the setting of U-shaped breach, avoids welding procedure and working-procedure problem caused by four layers of solder joint of arrangement；In addition, the design of this jack strong point reinforcement structure is simple, it is easy to the realization of Sheet Metal Forming Technology.
Description
Technical field
The invention belongs to automotive body structure technical field, and in particular to a kind of body of a motor car jack strong point strengthens knot
Structure.
Background technology
Chief component of the jack strong point structure as lower body, the process such as repaired, maintained in vehicle
In be both needed to lift vehicle using lifting machine or jack in this position and jack up.When using lifting machine or very heavy top support,
The structure of the jack strong point needs enough intensity and toughnesses, can bear certain enough load, ensures Metal Sheets for Body-manufacturing
And gross distortion does not occur or even destroys for solder joint, ensures safety in utilization.
The jack strong point of body of a motor car is commonly designed on vertical vertical edge under threshold side-wall outer-plate, in order to lift car
The stiffness and strength performance of body jack structure, in general, which strengthens method, is：Increase the material of the sheet metal component of jack supporting point position
Thickness, or the material rate of strong point annex metal plate is lifted, or adjust or increase threshold side-wall outer-plate lower-edge beam vertical edge
Solder joint number and position etc..These improved methods have following weak point：（1）The strength character to strong point structure is improved above
Lifting is more obvious, and the lifting to rigidity property is then very limited；（2）Because the parts of supporting point position are larger, increase material is thick
Weight can sharply increase afterwards, be unfavorable for the lightweight of vehicle body；（3）The grade of lifting threshold APPENDIX MATERIALSThe, which may be brought, to be struck out
A series of problems, such as type is difficult, die cost increase；（4）The number and position of adjustment or increase solder joint, for strong point structure
Intensity and rigidity lifting degree it is smaller.
In summary, it would be highly desirable to solve the problems, such as it is that design one kind can be obviously improved body of a motor car strong point intensity and rigidity
The jack strong point reinforcement structure of performance, to avoid when using lifting machine or very heavy top support automobile, body of a motor car occurs
Gross distortion even destroy and trigger issuable safety issue in auto repair servicing operations, and and then trigger under
Side bar alice, corrosion etc. influence the problem of body of a motor car attractive in appearance and service life.
The content of the invention
The purpose of the present invention is to propose to a kind of body of a motor car jack strong point reinforcement structure, it can effectively lift thousand
The intensity and rigidity property of jin topmast support point structure, avoid the jack strong point from occurring Metal Sheets for Body-manufacturing in use serious
Deformation and the safety issue for destroying initiation, keep the outward appearance of body of a motor car, while extend making for jack strong point structure
Use the life-span.
To solve above-mentioned technical problem, the present invention adopts the technical scheme that：A kind of very heavy topmast of body of a motor car
Support point reinforcement structure, including side-wall outer-plate, threshold reinforcing plate and threshold internal plate, it is critical that the threshold reinforcing plate and threshold
Jack reinforcing plate is provided between inner panel.
Further, the upper and lower part of the jack reinforcing plate is provided with U-shaped breach, and the two of the U-shaped breach
Side is provided with the connection jack reinforcing plate and side-wall outer-plate, the solder joint of threshold reinforcing plate, the U-shaped indentation, there are provided with company
Connect the solder joint of the side-wall outer-plate, threshold reinforcing plate and threshold internal plate.
Further, the U-shaped breach at least two, the solder joint are two or more.
Further, it is provided with least one reinforcement in the middle part of the jack reinforcing plate.
Further, the reinforcement is regular Long Circle.
Further, it is provided with positioning hole in the jack reinforcing plate.
Further, the positioning hole is at least one, is slotted hole or circular port.
Further, the top of the jack reinforcing plate, bottom have face poor with middle part, and circular arc is used between face and face
Transition.
By setting up jack reinforcing plate between threshold reinforcing plate and threshold internal plate, the present invention effectively improves vehicle body
The local stiffness and intensity of jack structure, and the load of jack is effectively lifted up from the bottom of side-wall outer-plate, keep away
Exempt from side-wall outer-plate and gross distortion or even destruction occurs compared with big load because bearing；Meanwhile the upper and lower part of jack reinforcing plate is all set
It the U-shaped breach put, can both avoid arranging welding procedure and working-procedure problem caused by four layers of solder joint, optimize the number of solder joint again
Mesh and position so that stress distribution is more reasonable；In addition, the design of this jack strong point reinforcement structure is simple, it is easy to presser
The realization of skill.
Brief description of the drawings
Fig. 1 is the position view of the body of a motor car jack strong point reinforcement structure of the present invention；
Fig. 2 is the schematic cross-section in the A-A directions along Fig. 1；
Fig. 3 is the isometric view of the hiding threshold internal plate of the present invention；
Fig. 4 is the structural representation of the jack reinforcing plate of the present invention.
Embodiment
Below against accompanying drawing, by the description to embodiment, for example involved to the embodiment of the present invention is each
Mutual alignment and annexation, the effect of each several part and operation principle between the shape of component, construction, each several part etc. are made into one
The detailed description of step.
Embodiment 1：
As shown in figure 1, the jack strong point 1, at the threshold of rear portion of car body, the structure at the threshold is by side-wall outer-plate
2nd, threshold reinforcing plate 3, jack reinforcing plate 4 and threshold internal plate 5 combine, wherein, jack reinforcing plate 4 is located at threshold reinforcement
Between plate 3 and threshold internal plate 5.
As shown in figure 4, it is 35mm that the upper and lower part of jack reinforcing plate 4, which is respectively arranged with three length, width is
25mm U-shaped breach 6.The both sides of U-shaped breach 6 are provided with three layers of solder joint 71, upper and lower each 4,8 altogether, very heavy to connect
Push up reinforcing plate 4, side-wall outer-plate 2 and threshold reinforcing plate 3；It is provided with three layers of solder joint 72 at U-shaped breach 6, upper and lower each 3, altogether 6
Individual, to connect side-wall outer-plate 2, threshold reinforcing plate 3 and threshold internal plate 5, thus by the setting of U-shaped breach 6, interactive mode uses
Three layers of solder joint 71 and three layers of solder joint 72 are by side-wall outer-plate 2, threshold reinforcing plate 3, jack reinforcing plate 4 and threshold internal plate 5 this four
Part welds together, and avoids welding procedure and working-procedure problem caused by four layers of solder joint of arrangement, while make their bottom
Vertical edge is welded in the jack strong point 1 everywhere in same plane, the load of jack has not only been shared jointly, also by load herein
Lotus is effectively transmitted to top, the load at the jack strong point 1 is greatly weakened.
The upper and lower part of jack reinforcing plate 4 has mm face poor with middle part principal plane, and R180 circular arc mistakes are used between face and face
Cross, in order to the assembling of jack reinforcing plate 4 and threshold reinforcing plate 3 and side-wall outer-plate 2.
As shown in figure 4, the middle part of jack reinforcing plate 4 is provided with three regular reinforcements 8, reinforcement 8 is Long Circle, and
For sandwich construction, arranged vertically along the Z-direction of vehicle body, add the rigidity of jack reinforcing plate 4, help preferably to transmit load
Lotus.The left and right sides at the middle part of jack reinforcing plate 4 is provided with positioning hole 9, to be engaged with the positioning hole in threshold reinforcing plate 3,
Be advantageous to positioning during 2 assemble welding of jack reinforcing plate 4 and threshold reinforcing plate and side-wall outer-plate；Wherein, the positioning hole 9 in left side
For Long Circle, to meet the needs of the uncertainty of regulation, conveniently appropriate regulation during positioning, the positioning hole 9 on right side is circle, square
It is easy to be accurately positioned.
The body of a motor car jack strong point reinforcement structure of the present invention in the rear position of the jack strong point 1 by increasing by one
Jack reinforcing plate 4, while open U-shaped breach in the top of jack reinforcing plate 4, lower weld vertical edge position.Such design
It is more reasonable than original structure, the carrying welding edge structure of side-wall outer-plate 2 is optimized, by the load of jack under automobile door sill
Portion effectively transmits, shares its top, avoids side-wall outer-plate 2（General very low using yield strength and the thick very little of material material）
Because bearing that gross distortion or even destruction occurs compared with big load；Meanwhile it is avoided that the welding of 4 layers of solder joint at the jack strong point 1
Technological problemses.Verified by CAE analysis, after being designed using new construction, the maximum stress value of side-wall outer-plate is greatly reduced, and meets to make
Reduced with maximum displacement when requiring, and jacking up substantially, without residual displacement after unloading.Compared with original structure designs, very heavy top support
The rigidity and strength enhancing of point reinforcement structure are obvious, can effectively avoid jack strong point reinforcement structure using process
In, security and outward appearance sex chromosome mosaicism caused by gross distortion even destroys occurs.
Jack strong point reinforcement structure in the present embodiment is arranged on the rear portion of automobile body side wall, certainly, for reality
The needs of border application, the front portion or middle part of body side wall can also be disposed at.
Above by description of listed embodiment, the basic ideas and basic principles of the present invention are elaborated.But this hair
It is bright to be not limited to above-mentioned listed embodiment.Every equivalent variations made based on technical scheme, improve and deliberately
Become of inferior quality behavior, protection scope of the present invention all should be belonged to.
Claims (8)
1. a kind of body of a motor car jack strong point reinforcement structure, including side-wall outer-plate（2）, threshold reinforcing plate（3）In threshold
Plate（5）, it is characterised in that the threshold reinforcing plate（3）And threshold internal plate（5）Between be provided with jack reinforcing plate（4）.
2. body of a motor car jack strong point reinforcement structure according to claim 1, it is characterised in that the jack adds
Strong plate（4）Upper and lower part be provided with U-shaped breach（6）, the U-shaped breach（6）Both sides be provided with connection it is described very heavy
Push up reinforcing plate（4）And side-wall outer-plate（2）, threshold reinforcing plate（3）Solder joint（71）, the U-shaped breach（6）Place is provided with connection institute
State side-wall outer-plate（2）, threshold reinforcing plate（3）And threshold internal plate（5）Solder joint（72）.
3. body of a motor car jack strong point reinforcement structure according to claim 2, it is characterised in that the U-shaped breach
（6）At least two, the solder joint（71）And solder joint（72）It is two or more.
4. body of a motor car jack strong point reinforcement structure according to claim 1 or 2, it is characterised in that described very heavy
Push up reinforcing plate（4）Middle part be provided with least one reinforcement（8）.
5. body of a motor car jack strong point reinforcement structure according to claim 3, it is characterised in that the reinforcement
（8）For the Long Circle of rule.
6. body of a motor car jack strong point reinforcement structure according to claim 1 or 2, it is characterised in that described very heavy
Push up reinforcing plate（4）On be provided with positioning hole（9）.
7. body of a motor car jack strong point reinforcement structure according to claim 1 or 2, it is characterised in that the positioning
Hole（9）At least one, be slotted hole or circular port.
8. body of a motor car jack strong point reinforcement structure according to claim 1 or 2, it is characterised in that described very heavy
Push up reinforcing plate（4）Top, bottom have face poor with middle part, arc transition is used between face and face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294775.8A CN107416041A (en) | 2017-04-28 | 2017-04-28 | A kind of body of a motor car jack strong point reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294775.8A CN107416041A (en) | 2017-04-28 | 2017-04-28 | A kind of body of a motor car jack strong point reinforcement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107416041A true CN107416041A (en) | 2017-12-01 |
Family
ID=60424789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294775.8A Pending CN107416041A (en) | 2017-04-28 | 2017-04-28 | A kind of body of a motor car jack strong point reinforcement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107416041A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619675A (en) * | 2020-06-24 | 2020-09-04 | 安徽江淮汽车集团股份有限公司 | Automobile side wall outer plate structure |
| CN112441135A (en) * | 2019-09-03 | 2021-03-05 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN114684277A (en) * | 2022-03-24 | 2022-07-01 | 阿尔特汽车技术股份有限公司 | Threshold structure and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203996453U (en) * | 2014-07-21 | 2014-12-10 | 奇瑞汽车股份有限公司 | A kind of auto body strong point structure |
| CN204110180U (en) * | 2014-09-02 | 2015-01-21 | 广州汽车集团股份有限公司 | A kind of automobile door sill assembly and automobile |
| US20150175218A1 (en) * | 2013-12-25 | 2015-06-25 | Toyota Jidosha Kabushiki Kaisha | Vehicle frame structure |
| CN205469301U (en) * | 2016-01-15 | 2016-08-17 | 北京汽车股份有限公司 | Car B post structure and car |
| CN105905166A (en) * | 2016-04-27 | 2016-08-31 | 奇瑞汽车股份有限公司 | Rear jack reinforcing structure for vehicle body |
-
2017
- 2017-04-28 CN CN201710294775.8A patent/CN107416041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150175218A1 (en) * | 2013-12-25 | 2015-06-25 | Toyota Jidosha Kabushiki Kaisha | Vehicle frame structure |
| CN203996453U (en) * | 2014-07-21 | 2014-12-10 | 奇瑞汽车股份有限公司 | A kind of auto body strong point structure |
| CN204110180U (en) * | 2014-09-02 | 2015-01-21 | 广州汽车集团股份有限公司 | A kind of automobile door sill assembly and automobile |
| CN205469301U (en) * | 2016-01-15 | 2016-08-17 | 北京汽车股份有限公司 | Car B post structure and car |
| CN105905166A (en) * | 2016-04-27 | 2016-08-31 | 奇瑞汽车股份有限公司 | Rear jack reinforcing structure for vehicle body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441135A (en) * | 2019-09-03 | 2021-03-05 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN111619675A (en) * | 2020-06-24 | 2020-09-04 | 安徽江淮汽车集团股份有限公司 | Automobile side wall outer plate structure |
| CN114684277A (en) * | 2022-03-24 | 2022-07-01 | 阿尔特汽车技术股份有限公司 | Threshold structure and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
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| RJ01 | Rejection of invention patent application after publication |