The power conducting structure of new energy Chinese herbaceous peony subframe
Technical field
The invention belongs to automobile manufacturing field, the power conducting structure of specifically a kind of new energy Chinese herbaceous peony subframe.
Background technique
On traditional fuel-engined vehicle, design has stringer on chassis, and stringer has run through the front-rear direction of chassis.?
When headstock collides, headstock stress can be transferred to the tailstock by stringer to the greatest extent, and headstock is avoided serious crumple occur,
The complete of cabin and cockpit is kept to a certain extent, is important safety component.Chinese patent literature CN206704299U in
Disclose on December 5th, 2017 " subframe and using the subframe electric car ", subframe include main body of vehicle frame (101) and
Motor suspended structure (105), which is formed on the main body of vehicle frame, including the first shell mutually fastened
Body (107) and second shell (108);Wherein, it is formed between the first shell and second shell and is drawn for accommodating motor
The cavity (B) of bushing, being formed in the first shell and second shell allows connector to pass through the cavity (B) is connected with fixed
Connect the through-hole of the bushing.The applicant declares that the subframe of the utility model is easy to carry out the variation of motor suspension point, mentions
High versatility.Using battery as on the new-energy automobile of energy storage mode, battery pack is disposed in the space of floor lower part,
In order to guarantee the gap on floor and battery pack, most new-energy automobile is all without the same portion under floor of image of Buddha conventional fuel oil car
Longitudinal beam structure is designed, leads in safety that there are hidden danger.Such as prior art as the aforementioned, the power for just lacking stringer pass
It passs, causes the intrusion volume of vehicle front wall in collision very big, cause the damage of personnel and vehicle serious.
Summary of the invention
Based on problem above, the present invention provides a kind of power conducting structure of new energy Chinese herbaceous peony subframe, can effectively by
Front part of vehicle stress is conducted to rear of vehicle, significant to mitigate front wall intrusion volume, is played a protective role to driver and passenger and vehicle.
In order to realize goal of the invention, the present invention adopts the following technical scheme: a kind of power of multilayer new energy Chinese herbaceous peony subframe
Conducting structure further includes a pair of support rods including the sill strip at left and right sides of subframe and vehicle body;The front end of support rod and secondary vehicle
The rear end of frame side is fixed, and the rear end of support rod and the front end of ipsilateral sill strip are fixed.
The power conducting structure of the multilayer new energy Chinese herbaceous peony subframe of this programme design, including subframe and sill strip.Threshold
Beam is a pair, sets up the left and right sides below body platform separately, is extended along vehicle body front-rear direction.Sill strip has high-intensitive spy
Property, and be symmetrically arranged.After this programme is by the way that fore sub frame to be rigidly connected by support rod and a pair of of sill strip, one is formed
A overall structure, the structure are divided to or so two paths to realize power transmitting, the stringer knot for the conventional fuel oil car that is enough to match in excellence or beauty in effect
Structure.After designing in this way, the space below body platform can have both been vacated, for being laid out battery pack, has in turn ensured vehicle body front and back
The force transmission effect in direction ensure that the safety of vehicle will not decline, and facilitate vehicle body layout and the market of new-energy automobile
It promotes.In order to improve rigidity, those skilled in the art can according to need the suitable position progress Strengthening Design in door sill protector.
Preferably, the front end of support rod tilts inwardly.The front end of support rod tilts inwardly, rear end respectively with two
Sill beam is fixed, and fore sub frame, two support rods can be made to surround to form a virtual triangle, is formed pair with the intensity of triangle
The good complement of chassis intensity.
Preferably, support rod is straight tube.The axially loaded intensity of straight tube is best.
Preferably, support rod is hollow straight tube.Under the premise of ensuring intensity, support rod be it is hollow, facilitate
Body lightening.
Strengthen muscle preferably, being equipped in support rod, the length direction for strengthening muscle along support rod extends.Strengthening muscle can be
Further strengthen support rod in axial direction.
Preferably, the cross sectional shape of the support rod is rectangle;Mating surface is horizontal plane, support under the rear end of subframe
The upper surface of bar front end and the mating surface of subframe rear end are fixed;Mating surface is horizontal plane on the front end of sill strip, after support rod
The lower end surface at end and the mating surface of sill strip front end are fixed.Pass through support rod cross sectional shape, subframe rear end mating surface, sill strip
The design of front end mating surface can make the combination of connector two-by-two closer.
Preferably, the upper surface of support rod front end is equipped with riveting through holes, it is corresponding in mating surface under the rear end of subframe
Position is equipped with riveting through holes, is riveted after the riveting through holes that rivet penetrates through on support rod front end and subframe simultaneously, rivets it
Support rod front end, rivet, subframe three are fixed by welding afterwards;The lower end surface of rod rear end is supported to be equipped with riveting through holes,
Corresponding position is equipped with riveting through holes in mating surface on the front end of sill strip, and rivet is penetrated through simultaneously on support rod rear end and sill strip
It is riveted after riveting through holes, is fixed support rod rear end, rivet, sill strip three by welding after riveting.This programme is set
Meter realizes fixation by the way of rivet welding, it is ensured that bonding strength.
Preferably, the riveting through holes of support rod front-end and back-end are no less than 2.Such design can mention as far as possible
High bonding strength.
In conclusion showing the beneficial effects of the present invention are: can effectively conduct front part of vehicle stress to rear of vehicle
It writes and mitigates front wall intrusion volume, play a protective role to driver and passenger and vehicle.
Detailed description of the invention
Fig. 1 is perspective view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the main view of Fig. 2.
Fig. 4 is the perspective view of support rod.
Wherein: 1 subframe, 2 sill strips, 3 support rods, semi-finals muscle, 5 riveting through holes.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1, Figure 2, Figure 3 shows is a kind of power conducting structure of new energy Chinese herbaceous peony subframe, is mounted on certain
On money new energy vehicle.
This structure includes subframe 1, the sill strip 2 at left and right sides of vehicle body positioned at vehicle front, further includes a pair
Support rod 3.As shown in figure 4, support rod is hollow straight tube, material is steel pipe, is extended in pipe along the length direction of support rod
Equipped with reinforcing muscle 4.The cross sectional shape of support rod is rectangle, is respectively provided in the front-end and back-end of support rod there are two riveting through holes 5,
Riveting through holes penetrate through the cross sectional shape of support rod in the vertical direction.
The rear end of subframe has symmetrical two mating surfaces, is horizontal plane, there is corresponding design in mating surface
Two riveting through holes.The front end of sill strip also is provided with a mating surface and horizontal plane and extends, and is equally correspondingly arranged that there are two rivetings
Connect hole.In the unilateral side of vehicle body, the rear end of the front end and subframe side of a support rod is fixed, rear end and ipsilateral sill strip
Front end is fixed, and the other side of vehicle body is also symmetrical arranged.The front end of support rod tilts inwardly, constitutes subframe and two support rods
One virtual isosceles triangle.Fixed mode is rivet welding, i.e., penetrates through rivet on support rod front end and subframe simultaneously
It is riveted after riveting through holes, is fixed support rod front end, rivet, subframe three by welding after riveting.Likewise, will
It is riveted after the riveting through holes that rivet is penetrated through simultaneously on support rod rear end and sill strip, passes through welding after riveting for support rod
Rear end, rivet, sill strip three fix.
The power conducting structure of the new energy Chinese herbaceous peony subframe of this example, fore sub frame, two support rods, two sill strips are firm
It is fixed as one, has vacated the useful space at middle part below floor, battery pack can be laid out.Impact force from body structure exists
By subframe, support rod, sill strip transmitting after, can effectively conduct to vehicle body rear, thus alleviate front wall intrusion
Amount, and the deflection of battery pack in collision process is reduced, it is greatly improved the security performance of automobile.It is calculated through inventor
Machine program carries out impact simulation test, the scheme of the present embodiment vehicle body in the front-back direction safe stress intensity be enough to match in excellence or beauty it is other
The identical fuel vehicle longitudinal beam structure of condition.