CN209176785U - A kind of subframe lower beam for preventing battery pack from scratching - Google Patents
A kind of subframe lower beam for preventing battery pack from scratching Download PDFInfo
- Publication number
- CN209176785U CN209176785U CN201821941631.3U CN201821941631U CN209176785U CN 209176785 U CN209176785 U CN 209176785U CN 201821941631 U CN201821941631 U CN 201821941631U CN 209176785 U CN209176785 U CN 209176785U
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- battery pack
- subframe
- cross
- scratching
- cover plate
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Abstract
The utility model discloses a kind of subframe lower beams for preventing battery pack from scratching, including cross-beam body, cross-beam body is connected on subframe by fastener, and cross-beam body is located at the front of battery pack, and the distance of battery pack bottom to ground is greater than the bottom of cross-beam body to the distance on ground.After cross-beam body is connected on subframe, the liftoff minimum gap location of vehicle is become the lower beam of subframe assembly by battery package location, when vehicle driving is at bad road surface, if there is the case where chassis scratch, barrier first scratches with the cross-beam body on subframe, rather than directly scratches with battery pack, solves the problems, such as the scratch of chassis scratch Shi Xianyu battery pack, to avoid battery pack internal short-circuit caused by scratching because of battery pack, cause the risk of thermal runaway.Cross-beam body is arranged in the front of battery pack, then lower beam anticipated that chassis auxiliary frame scratches with ground obstacle, and battery pack is avoided directly to scratch with road obstacle.
Description
Technical field
The utility model belongs to electric car parts technical field, and in particular to a kind of for preventing battery pack from scratching
Subframe lower beam.
Background technique
Currently, gap is low from the ground for the power battery of pure electric vehicle, unshielded measure.Since the subframe road clearance is whole
The minimum liftoff gap of vehicle, when road traveling of the vehicle in road conditions difference, there are the risks that battery pack and road surface scratch, and may lead
It causes battery pack case to be pierced, causes internal short-circuit of battery, cause thermal runaway, there are serious security risks.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of structures simply, user
Just for prevent battery pack scratch subframe lower beam, the lower beam anticipated that chassis auxiliary frame with earth bulging
Object scratches, and driver starts braking mode, so that battery pack be avoided directly to scratch with road obstacle.
To achieve the above object, a kind of the technical solution of the utility model are as follows: subframe for preventing battery pack from scratching
Lower beam, including cross-beam body, the cross-beam body are connected on subframe by fastener, and cross-beam body is located at battery pack
Front, the distance of battery pack bottom to ground are greater than the bottom of cross-beam body to the distance on ground.
Further, the cross-beam body includes upper cover plate and lower case, and upper cover plate is connected on subframe, and lower case is logical
Buckle is crossed to connect with upper cover plate.
Further, the upper cover plate is connected on subframe by fastener, is set in lower case with fastener corresponding position
There is material reducing hole.
Further, the fastener includes rubber liner and bolt, mounting hole of the rubber liner on upper cover plate, rubber
Glue inside lining is equipped with the annular groove for cooperating with upper cover plate, and mounting hole and the upper cover plate of rubber liner contact position are inserted into annular
In slot.
Further, the fastener further includes vibration damping steel bushing, and rubber liner is socketed in vibration-damp steel and puts on, vibration damping steel bushing with
It is interference fit between rubber liner.
Further, the bolt is equipped with gasket, and vibration-damp steel puts on the through-hole for being equipped with and cooperating with bolt, and bolt passes through pad
Piece and vibration damping steel bushing with the threaded hole cooperation being arranged on subframe by being fastenedly connected on subframe.
Further, the upper cover plate is equipped with reinforcing rib I, and reinforcing rib I is to close to the direction of lower case protrusion, lower case
It is equipped with reinforcing rib II, reinforcing rib II is to close to the direction of upper cover plate protrusion.
Further, the lower case is equipped with liquid-leaking nozzle.
Further, the both ends of the cross-beam body are equipped with the chamfering knot connecting for avoiding subframe with front suspension
Structure.
The advantages of using technical solutions of the utility model are as follows:
1, after the utility model cross-beam body is connected on subframe, the liftoff minimum gap location of vehicle is by battery pack position
It sets at the lower beam for becoming subframe assembly, when vehicle driving is at bad road surface, if there is the case where chassis scratch, barrier is first
It scratches with the cross-beam body on subframe, rather than directly scratches with battery pack, solve chassis scratch Shi Xianyu battery and scrape
The problem of rubbing causes the risk of thermal runaway to avoid battery pack internal short-circuit caused by scratching because of battery pack.
2, the front of battery pack is arranged in cross-beam body by the utility model, then lower beam anticipated that chassis auxiliary frame
Through scratching with ground obstacle, driver can change direction or starting braking mode according to specific road conditions, take corresponding
Measure avoids battery pack from directly scratching with road obstacle, increases security performance.
3, it is equipped with material reducing hole with the fastener corresponding position of upper cover plate on shell under the utility model, is worn using installation tool
It crosses material reducing hole to tighten fastener, has not only played the role of material and mitigated weight, but also be conducive to the installation of fastener, made crossbeam
Connection between ontology and subframe is more convenient, has reached the thickness increase for cross-beam body, and do not increase cross-beam body peace
Fill the purpose of difficulty.
4, in the utility model reinforcing rib I and reinforcing rib II to the internal protrusion of cross-beam body, in this way can to avoid with
Other components interfere；Suitably increase material reducing hole and reinforcing rib on upper cover plate and lower case, proof strength while drops
The weight of low cross-beam body.
5, in the utility model rubber liner be socketed in vibration-damp steel put on and for interference fit, increase the knot of rubber liner
Structure intensity, and vibration damping steel bushing also acts as the effect of protection rubber liner.In addition, when firing cross-beam body and bottom surface is scratched,
The noise of generation and vibration are transmitted on rubber liner by upper cover plate, and rubber liner is that flexible piece has the function of noise-and-vibration-reduction；
Rubber liner, which refills, to be fitted on vibration-damp steel and puts on, and vibration damping steel bushing is made of metallic steel, ensure that the fastness of upper cover plate installation and resistance to
Long property.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Fig. 1 is the overall structure diagram of the utility model lower beam.
Fig. 2 is the schematic top plan view of the utility model lower beam.
Fig. 3 is the elevational schematic view of the utility model lower beam.
Fig. 4 is that the utility model lower beam is mounted on the main view on subframe.
Fig. 5 is that the utility model lower beam is mounted on the bottom view on subframe.
Fig. 6 is the partial enlargement diagram of the utility model upper cover plate and subframe junction.
Label in above-mentioned figure is respectively as follows: 1, cross-beam body；2, subframe；21, threaded hole；3, upper cover plate；31, reinforcing rib
Ⅰ；32, protrusion I；33, protrusion II；4, lower case；41, reinforcing rib II；42, material reducing hole；5, battery pack；6, it buckles；7, in rubber
Lining；71, annular groove；8, bolt；81, gasket；9, vibration damping steel bushing；91, through-hole；10, liquid-leaking nozzle.
Specific embodiment
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " plane side
To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 6, a kind of subframe lower beam for preventing battery pack from scratching, including cross-beam body 1, it is horizontal
Beam ontology 1 is connected on subframe 2 by fastener, and cross-beam body 1 is located at the front of battery pack 5, is moved forwards with automobile
Direction is positive direction, and the distance of battery pack bottom to ground is greater than the bottom of cross-beam body 1 to the distance on ground.Cross-beam body 1
After being connected on subframe 2, the liftoff minimum gap location of vehicle is become the lower beam of subframe assembly by battery package location,
When vehicle driving is at bad road surface, if there is the case where chassis scratch, barrier first scratches with the cross-beam body 1 on subframe,
Rather than directly scratch with battery pack, solve the problems, such as the scratch of chassis scratch Shi Xianyu battery pack, to avoid because of battery pack
Scratch causes battery pack internal short-circuit, causes the risk of thermal runaway.In addition, cross-beam body 1 is arranged in the front of battery pack 5,
Then lower beam anticipated that chassis auxiliary frame scratches with ground obstacle, and driver can change according to specific road conditions
Direction or starting braking mode, take corresponding measure that battery pack is avoided directly to scratch with road obstacle, increase security performance.
To increase the thickness of cross-beam body 1, that is, arrive bottom surface distance reduce can better disturbance of perception object, and do not increase
The difficulty for adding cross-beam body 1 to install, design cross-beam body 1 includes upper cover plate 3 and lower case 4, and upper cover plate 3 is connected to subframe 2
On, lower case 4 is connect by buckle 6 with upper cover plate 3；Upper cover plate 3 is connected on subframe 2 by fastener, in lower case 4 with
The fastener corresponding position of upper cover plate 3 is equipped with material reducing hole 42.Fastener is tightened by material reducing hole 42 using installation tool, both
Play the role of material and mitigate weight, and be conducive to the installation of fastener, makes connection between cross-beam body 1 and subframe 2 more
Add conveniently.Material reducing hole 42 also is provided on upper cover plate 3.Upper cover plate 3 and lower case 4 use steel punching press, welding fabrication, on increasing
The structural strength of cover board 3 and lower case 4, on upper cover plate 3 be equipped with reinforcing rib I 31, reinforcing rib I 31 to close to lower case 4 side
To protrusion, lower case 4 is equipped with reinforcing rib II 41, and reinforcing rib II 41 is to close to the direction of upper cover plate 3 protrusion, i.e. reinforcing rib I 31
With reinforcing rib II 41 to the internal protrusion of cross-beam body 1, can be interfered in this way to avoid with other components.This is practical new
Type suitably increases material reducing hole and reinforcing rib on upper cover plate 3 and lower case 4, and proof strength while reduces the weight of cross-beam body
Amount.
In view of vehicle carries out electrophoresis and when the rainy day, the problem of will appear electrophoresis hydrops and ponding in cross-beam body 1, under
Shell 4 is equipped with liquid-leaking nozzle 10.In conjunction with the working position apparatus on production line, avoiding structure need to be designed in the left and right sides of lower beam,
Guarantee that fore sub frame is capable of fixing the progress front suspension assembly on working position apparatus, is used for so being equipped at the both ends of cross-beam body 1
The chamfering structure 11 that evacuation subframe 2 is connect with front suspension.
Vibration to generate when reducing cross-beam body 1 and bottom surface scratch is transmitted on vehicle, and above-mentioned fastener includes rubber
Liner 7 and bolt 8, mounting hole of the rubber liner 7 on upper cover plate 3, rubber liner 7 are equipped with for cooperating with upper cover plate 3
Annular groove 71, the upper cover plate 3 of mounting hole and 7 contact position of rubber liner is inserted into annular groove 71.Fastener further includes vibration damping
Steel bushing 9, rubber liner 7 are socketed on vibration damping steel bushing 9, are interference fit between vibration damping steel bushing 9 and rubber liner 7.It is set on bolt 8
Have a gasket 81, vibration damping steel bushing 9 is equipped with the through-hole 91 cooperate with bolt 8, bolt 8 across gasket 81 and vibration damping steel bushing 9 by with
The cooperation of threaded hole 21 being arranged on subframe 2 is fastenedly connected on subframe 2.Rubber liner 7 be socketed on vibration damping steel bushing 9 and
For interference fit, the structural strength of rubber liner 7 is increased, and vibration damping steel bushing 9 also acts as the effect of protection rubber liner 7.
When firing cross-beam body 1 and bottom surface is scratched, the noise and vibration generated is transmitted on upper cover plate 3 by lower case 4.It is transmitted to
Vibration on upper cover plate 3 is transmitted to again on rubber liner 7, and rubber liner 7 is that flexible piece has the function of noise-and-vibration-reduction.Rubber liner
7 refill be fitted on vibration-damp steel set 9 on, vibration damping steel bushing 9 is made of metallic steel, ensure that upper cover plate 3 install fastness and durability.
The utility model is exemplarily described in conjunction with attached drawing above, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the improvement for the various unsubstantialities that technical solutions of the utility model carry out, or without changing
Directly apply to other occasions by the conception and technical scheme of the utility model, the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of subframe lower beam for preventing battery pack from scratching, it is characterised in that: including cross-beam body (1), the cross
Beam ontology (1) is connected on subframe (2) by fastener, and cross-beam body (1) is located at the front of battery pack (5), battery pack bottom
The distance on portion to ground is greater than the bottom of cross-beam body (1) to the distance on ground.
2. a kind of subframe lower beam for preventing battery pack from scratching as described in claim 1, it is characterised in that: the cross
Beam ontology (1) includes upper cover plate (3) and lower case (4), and upper cover plate (3) is connected on subframe (2), and lower case (4) passes through card
Button (6) is connect with upper cover plate (3).
3. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 2, it is characterised in that: on described
Cover board (3) is connected on subframe (2) by fastener, is equipped with material reducing hole (42) with fastener corresponding position in lower case (4).
4. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 3, it is characterised in that: described tight
Firmware includes rubber liner (7) and bolt (8), mounting hole of the rubber liner (7) on upper cover plate (3), on rubber liner (7)
Equipped with the annular groove (71) for cooperating with upper cover plate (3), the upper cover plate (3) of mounting hole and rubber liner (7) contact position is inserted into
To in annular groove (71).
5. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 4, it is characterised in that: described tight
Firmware further includes vibration damping steel bushing (9), and rubber liner (7) is socketed on vibration damping steel bushing (9), vibration damping steel bushing (9) and rubber liner (7)
Between for interference fit.
6. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 5, it is characterised in that: the spiral shell
Bolt (8) is equipped with gasket (81), and vibration damping steel bushing (9) is equipped with the through-hole (91) cooperated with bolt (8), and bolt (8) passes through gasket
(81) and vibration damping steel bushing (9) is by being fastenedly connected subframe (2) with threaded hole (21) cooperation being arranged on subframe (2)
On.
7. a kind of subframe lower beam for preventing battery pack from scratching as described in claim 2 to 5 any one, feature
Be: the upper cover plate (3) is equipped with reinforcing rib I (31), and reinforcing rib I (31) is raised to the direction close to lower case (4), lower casing
Body (4) is equipped with reinforcing rib II (41), and reinforcing rib II (41) is raised to the direction close to upper cover plate (3).
8. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 7, it is characterised in that: under described
Shell (4) is equipped with liquid-leaking nozzle (10).
9. a kind of subframe lower beam for preventing battery pack from scratching as claimed in claim 8, it is characterised in that: the cross
The both ends of beam ontology (1) are equipped with the chamfering structure connecting for avoiding subframe (2) with front suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941631.3U CN209176785U (en) | 2018-11-23 | 2018-11-23 | A kind of subframe lower beam for preventing battery pack from scratching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941631.3U CN209176785U (en) | 2018-11-23 | 2018-11-23 | A kind of subframe lower beam for preventing battery pack from scratching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209176785U true CN209176785U (en) | 2019-07-30 |
Family
ID=67373908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941631.3U Active CN209176785U (en) | 2018-11-23 | 2018-11-23 | A kind of subframe lower beam for preventing battery pack from scratching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209176785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859364A (en) * | 2021-11-17 | 2021-12-31 | 浙江吉利控股集团有限公司 | Electric automobile |
-
2018
- 2018-11-23 CN CN201821941631.3U patent/CN209176785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859364A (en) * | 2021-11-17 | 2021-12-31 | 浙江吉利控股集团有限公司 | Electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210601 Granted publication date: 20190730 |