CN203766880U - Auxiliary frame with retaining portion - Google Patents
Auxiliary frame with retaining portion Download PDFInfo
- Publication number
- CN203766880U CN203766880U CN201420108785.XU CN201420108785U CN203766880U CN 203766880 U CN203766880 U CN 203766880U CN 201420108785 U CN201420108785 U CN 201420108785U CN 203766880 U CN203766880 U CN 203766880U
- Authority
- CN
- China
- Prior art keywords
- stop section
- subframe
- brake system
- bent area
- electrokinetic cell
- 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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Abstract
The utility model provides an auxiliary frame with a retaining portion. The auxiliary frame comprises a floor, the floor is provided with a stamping forming bent area, a power battery is arranged at the front end of the bent area, an electronic parking brake system is arranged at the rear end of the bent area, and the retaining portion is arranged between the power battery and the electronic parking brake system and fixed on the bent area. By the aid of the retaining portion, the power battery is separated from the electronic parking brake system, impact load of the electronic parking brake system for the power battery when rear impact happens is effectively reduced, deformation of the power battery is decreased, the risk of electrolyte leakage is avoided, and the protection performance for the power battery in the rear impact is improved.
Description
Technical field
The utility model relates to the auxiliary frame structure of battery-driven car, relates in particular to a kind of subframe with stop section.
Background technology
At present, because oil resources are in short supply, oil price continuous rise, new-energy automobile arises at the historic moment.And the development of hybrid vehicle and battery-driven car is more and more.
Along with the development of battery-driven car, its safety is more and more subject to people's attention.Because battery-driven car is using electric power as power, this has just proposed strict requirement to the battery of battery-driven car.Battery-driven car, except meeting the collision safety needs of orthodox car, also needs to meet for the legislative control on safety of battery-driven car itself, particularly for the safety regulation of battery.
For example, in the regulation of GBT18384-1-2001, stability to battery in battery-driven car collision process has concrete requirement: judge by range estimation, any crew module's of being positioned at battery component should be held in its installation site, and the battery component outside any crew module of being installed on all must not be scurried in crew module.Have specified in more detail for overflowing of battery acid: the battery acid overflowing in crew module should be no more than 5 liters, and crew module planted agent there is no obvious battery acid to overflow into vestige (measurement that battery acid overflows is carried out after 30 minutes in collision end, vehicle stop motion) yet.
Because electrokinetic cell is usually placed on the subframe of rear view of vehicle; and the rear of electrokinetic cell arranges EPB(electronic brake system); therefore in the time of vehicle generation rear-end impact, need to protect electrokinetic cell; in order to avoid the hard components of electronic brake system strikes electrokinetic cell, there is safety misadventure.Based on this, be necessary to develop a kind of auxiliary frame structure can with protection electrokinetic cell, to meet demand for security.
Utility model content
The utility model provides a kind of subframe with stop section, in case stopping power battery is clashed into by electronic brake system in the time of auto against, improves crash survivability.
The utility model provides a kind of subframe with stop section, described subframe comprises floor, described floor has the bent area that punching press forms, the front end of described bent area is provided with electrokinetic cell, the rear end of described bent area is provided with electronic brake system, wherein: between described electrokinetic cell and described electronic brake system, be provided with stop section, described stop section is fixed on described bent area.
Subframe with stop section as above, wherein, preferably: described stop section is that base portion is the blanked part in U-shaped cross section, and described stop section also comprises first side and the second side for being connected with described bent area.
Subframe with stop section as above, wherein, preferably: the length dimension scope of the base portion of described stop section is 79-81mm, and width dimensions scope is 64-66mm, and height dimension scope is 15-17mm, and gauge scope is 1-3mm.
Subframe with stop section as above, wherein, preferably: the length dimension of the base portion of described stop section is 80mm, width dimensions is 65mm, and height dimension is 16mm, and gauge is 2mm.
Subframe with stop section as above, wherein, preferably: the length dimension scope of described first side and described second side is all 61-63mm, width dimensions scope is all 17-19mm.
Subframe with stop section as above, wherein, preferably: the length dimension of described first side and described second side is all 62mm, width dimensions is all 18mm.
Subframe with stop section as above, wherein, preferably: the front end of described stop section is higher than the rear end of described stop section.
Subframe with stop section as above, wherein, preferably: described stop section and described floor welded are fixed, described first side is all connected by four solder joints with floor with described second side.
Subframe with stop section as above, wherein, preferably: the front end of described stop section and the rear end of described electrokinetic cell distance are 14-16mm, the rear end of described stop section and the front end of described electronic brake system distance are 55-57mm.
Subframe with stop section as above, wherein, preferably: the front end of described stop section and the rear end of described electrokinetic cell distance are 15mm, the rear end of described stop section and the front end of described electronic brake system distance are 56mm.
The subframe with stop section that the utility model provides; by being set, stop section isolates electrokinetic cell and electronic brake system; the impact load of electronic brake system to electrokinetic cell while effectively reducing rear-end impact; reduce the distortion of electrokinetic cell; the risk of having avoided battery acid to reveal, improves the protective value to electrokinetic cell in rear-end impact.
Brief description of the drawings
The auxiliary frame structure schematic diagram with stop section that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of stop section;
Fig. 3 is the schematic diagram of another angle of stop section;
The auxiliary frame structure schematic diagram of Fig. 4 has been blanking electrokinetic cell and electronic brake system.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is elaborated.Wherein identical parts represent with identical Reference numeral.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric centre.
The auxiliary frame structure schematic diagram with stop section that Fig. 1 provides for the utility model embodiment, as shown in Figure 1, the utility model embodiment provides a kind of subframe with stop section, this subframe comprises floor 100, floor has the bent area 101 that punching press forms, and makes the front end on floor 100 higher than the rear end on floor 100.The front-end and back-end here refer to taking vehicle traveling direction as benchmark, are front end near headstock, are rear end near the tailstock.
The front end of bent area 101 is provided with electrokinetic cell 200, the rear end of bent area 101 is provided with electronic brake system 300, wherein: between electrokinetic cell 200 and electronic brake system 300, be provided with stop section 400, this stop section 400 is fixed on bent area 101.In the time that automobile knocks into the back, electronic brake system 300 play forward, can sliding towards electrokinetic cell 200 by block electrons emergency brake system 300 in stop section 400, and then stops it to bump against electrokinetic cell 200.
As one preferred embodiment, the rear end distance of the front end of stop section 400 and described electrokinetic cell 200 is 14-16mm, is preferably 15mm.The front end distance of the rear end of described stop section 400 and described electronic brake system 300 is 55-57mm, is preferably 56mm.It will be understood by those skilled in the art that stop section 400 sets according to vehicle body integral layout apart from the distance of electrokinetic cell 200 and electronic brake system 300, can carry out corresponding change according to concrete vehicle.
Fig. 2 is the structural representation of stop section, Fig. 3 is the schematic diagram of another angle of stop section, as shown in Figures 2 and 3, preferably, stop section 400 is that base portion 401 is the blanked parts in U-shaped cross section, the general steel plate that this stop section 400 can be is 1-3mm by thickness is stamped to form, and is preferably 3mm.In proof strength, can not increase too much weight for vehicle body.The structure design that adopts U-shaped cross section can ensure that original text stop section 400 has certain cross section as far as possible, thus the shock of the electronic brake system 300 can bear rear-end impact time.
In addition, adopt U-shaped cross section, first side 402 and second side 403 can be set on stop section 400, with fixing with the bent area 101 on floor 100.The auxiliary frame structure schematic diagram of Fig. 4 has been blanking electrokinetic cell and electronic brake system, as shown in Figure 4, arranges the front end of stop section 400 higher than the rear end of stop section, to adapt to the front end on floor 100 higher than the structure of rear end.
Can set the size of stop section 400 according to the distance between electrokinetic cell 200 and electronic brake system 300, in the present embodiment, the length dimension L of the base portion 401 of stop section
1scope is 79-81mm, is preferably 80mm, width dimensions W
1scope is 64-66mm, is preferably 65mm, and height dimension H scope is 15-17mm, is preferably 16mm.
Further, according to the size of stop section base portion 401, can set the size of first side 402 and second side 403.In the present embodiment, the length dimension L of first side 402 and second side 403
2scope is all 61-63mm, is preferably 62mm, width dimensions W
2scope is all 17-19mm, is preferably 18mm.
Preferably, stop section 400 is welded and fixed with floor 100, and first side 402 is all connected by four solder joints with floor 100 with second side 403.Due to the diff-H of floor 100 front ends and rear end, adopt the mode of spot welding to connect side and floor, four solder joints are set between each side and floor, this kind of welding manner has feature reliable and stable, simple to operate.Adopt such design, can make side closely be connected with floor, contribute to reduce stop section rocking in rear-end impact.
The subframe with stop section that the utility model embodiment provides; by being set, stop section isolates electrokinetic cell and electronic brake system; the impact load of electronic brake system to electrokinetic cell while effectively reducing rear-end impact; because when rear-end impact; electronic brake system is play forward; arrange stop section can block electrons emergency brake system upwards to front slide; and then stop it to strike electrokinetic cell; reduce the distortion of electrokinetic cell; avoid battery acid disclosure risk, improved the protective value to electrokinetic cell in rear-end impact.Meanwhile, the subframe with stop section that the utility model embodiment provides, it is with low cost, easy for installation, simple in structure, and it is moderate to have rigidity, the feature that collision deformation is stable.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (10)
1. the subframe with stop section, described subframe comprises floor, described floor has the bent area that punching press forms, the front end of described bent area is provided with electrokinetic cell, the rear end of described bent area is provided with electronic brake system, it is characterized in that: between described electrokinetic cell and described electronic brake system, be provided with stop section, described stop section is fixed on described bent area.
2. the subframe with stop section according to claim 1, is characterized in that: described stop section is that base portion is the blanked part in U-shaped cross section, and described stop section also comprises first side and the second side for being connected with described bent area.
3. the subframe with stop section according to claim 2, it is characterized in that: the length dimension scope of the base portion of described stop section is 79-81mm, width dimensions scope is 64-66mm, and height dimension scope is 15-17mm, and gauge scope is 1-3mm.
4. the subframe with stop section according to claim 3, is characterized in that: the length dimension of the base portion of described stop section is 80mm, width dimensions is 65mm, and height dimension is 16mm, and gauge is 2mm.
5. the subframe with stop section according to claim 2, is characterized in that: the length dimension scope of described first side and described second side is all 61-63mm, and width dimensions scope is all 17-19mm.
6. the subframe with stop section according to claim 5, is characterized in that: the length dimension of described first side and described second side is all 62mm, and width dimensions is all 18mm.
7. the subframe with stop section according to claim 2, is characterized in that: the front end of described stop section is higher than the rear end of described stop section.
8. the subframe with stop section according to claim 2, is characterized in that: described stop section and described floor welded are fixed, and described first side is all connected by four solder joints with floor with described second side.
9. according to the arbitrary described subframe with stop section of claim 1-8, it is characterized in that: the front end of described stop section and the rear end of described electrokinetic cell distance are 14-16mm, the rear end of described stop section and the front end of described electronic brake system distance are 55-57mm.
10. the subframe with stop section according to claim 9, is characterized in that: the front end of described stop section and the rear end of described electrokinetic cell distance are 15mm, and the rear end of described stop section and the front end of described electronic brake system distance are 56mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108785.XU CN203766880U (en) | 2014-03-11 | 2014-03-11 | Auxiliary frame with retaining portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108785.XU CN203766880U (en) | 2014-03-11 | 2014-03-11 | Auxiliary frame with retaining portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766880U true CN203766880U (en) | 2014-08-13 |
Family
ID=51284105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108785.XU Expired - Fee Related CN203766880U (en) | 2014-03-11 | 2014-03-11 | Auxiliary frame with retaining portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571913A (en) * | 2016-07-04 | 2018-01-12 | 上海汽车集团股份有限公司 | Subframe assembly and electric automobile used for electric vehicle |
| CN109204560A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Electric car and its body structure |
-
2014
- 2014-03-11 CN CN201420108785.XU patent/CN203766880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571913A (en) * | 2016-07-04 | 2018-01-12 | 上海汽车集团股份有限公司 | Subframe assembly and electric automobile used for electric vehicle |
| CN109204560A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Electric car and its body structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 |