CN202474070U

CN202474070U - Plastic battery box

Info

Publication number: CN202474070U
Application number: CN201220119674XU
Authority: CN
Inventors: 杨飞
Original assignee: HAINAN MASTER NEW ENERGY ELECTRIC VEHICLE TECHNOLOGY Co Ltd
Current assignee: HAINAN MASTER NEW ENERGY ELECTRIC VEHICLE TECHNOLOGY Co Ltd
Priority date: 2012-03-27
Filing date: 2012-03-27
Publication date: 2012-10-03
Anticipated expiration: 2022-03-27

Abstract

The utility model belongs to the field of vehicle accessories, particularly relates to a plastic battery box which is applied to an electric buggy or a low-speed electric vehicle. The plastic battery box comprises a box body and installation lugs which are arranged on the box body; a strip-shaped groove and/or a bulge are/is arranged at the bottom of the box body; and the length direction of the groove and/or the bulge and the connecting wire direction of all installation lugs are crossed or in parallel. The overall strength is ensured to meet the actual application needs by relying on the lightweight characteristic of plastics through a reasonable structure, i.e. the reinforcing grooves and/or the bulge which are/is crossed or in parallel with the connecting wire direction of all the installation lugs are/is arranged at the bottom of the box body; and because a plastic product is easy to manufacture, the cost is extremely low, meanwhile due to the integral structure, the collision and the friction between a traditional battery box and a metal skeleton are avoided, the rusting problem of the metal skeleton does not exist, so that the service life is long.

Description

A kind of plastic battery box

Technical field

The utility model belongs to the vehicle body fittings field, is specifically related to a kind of plastic battery box that is applied in electric golf cart or the low speed electric motor car.

Background technology

At present, the battery case in electric golf cart, low speed electric motor car, bigger because of carrying storage battery weight, use existing its intensity of plastic battery case obviously not enough, so the structure that adopts plastic box body to combine with metallic framework more; Be specially and adopt metallic framework to make external framework; And plastic box body is set separately and puts into the cavity that metallic framework is enclosed; Rely on the intensity of metallic framework own to stablize the support plastic box body, to constitute the finished product battery case, often there is following defective in said structure: at first; Complex structure is made and the installation cost height; Secondly, metallic framework weight is big, does not meet the lightweight demand of vehicle itself; Once more; Sheathed formula design inside and outside above-mentioned; When making, unavoidably have mismatch error and produce the gap between plastic box body and metallic framework, in vehicle ' and even when jolting, plastic box body very easily and mutual wear phenomenon takes place between its outside metallic framework; Simultaneously metallic article rust corrosion very easily again causes its useful life lower; At last, the horizontal liquid-leaking nozzle on the existing battery case is arranged unreasonable, is mostly directly to be opened on the bottom level end face of battery case, is prone to hydrops, and when serious even can cause battery that the discharge damage takes place, coefficient of safety is low; How to develop the battery case of a kind of intensity height, light weight and long service life, be that those skilled in the art compel technical barrier to be solved always.

Summary of the invention

The purpose of the utility model provides a kind of plastic battery box simple in structure, and its light weight and intensity are high, long service life.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of plastic battery box; Comprise box body and be arranged at the installation hanger on the box body; The box body bottom is provided with strip groove and/or convexity, and the line direction of the length direction of said groove and/or convexity and each installation hanger intersects or laterally arranges.

The beneficial effect of the utility model is: the characteristics that rely on the light weight of plastics own; Through rationalizing structure; Also promptly be provided with in box body bottom intersect with line direction that each installs hanger or parallel reinforcement groove and/convexity, thereby it is required to guarantee that its bulk strength intensity satisfies practical application; Because plastic products are made easily, so cost is also extremely low, simultaneously because it adopts integral structure, avoided the conventional batteries box and metallic framework between collision and friction, do not have the corrosion problem of metallic framework again, so long service life.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the assembling sketch map of the utility model;

Fig. 3 is the decomposing schematic representation of Fig. 2.

Embodiment

A kind of plastic battery box; Comprise box body 10 and be arranged at the installation hanger on the box body; Box body 10 bottoms are provided with strip groove 11 and/or convexity, and the line direction of the length direction of groove 11 and/or convexity and each installation hanger intersects or laterally arranges, shown in Fig. 1-3.

Further preferred version as the utility model: said box body 10 is square box-like; Said installation hanger comprises the left and

right hanger

21,22 that is arranged at box body both sides and symmetric arrangement, and said groove 11 and/or protruding length direction are parallel to the line direction setting of left and right hanger 21,22.During actual fabrication, can consider shown in Fig. 2-3 length of groove 11 is slightly less than the wire length setting of left and

right hanger

21,22, to guarantee the maximization of its load; Like this, when the utility model had been settled battery pack and has been mounted on longitudinal beam and the crossbeam through the installation hanger, its groove 11 itself had promptly served as reinforcement load-bearing beam action, thereby finally plays the purpose of consolidating and strengthening box body 10 bottom strengths.

Further, groove 11 structures are done like delimit: the arcuate recess of said groove 11 for being formed to lower recess by box body 10 bottom surfaces, said groove 11 bottom cambered surfaces postpone and intersect setting to its notch two ends and with box body 10 bottom surfaces here; Said groove 11 is four and is uniformly distributed with and is arranged at box body 10 bottom surfaces places.Arcuate recess is claimed the ship shape groove again, because of the similar ship shape of its cell body is gained the name; And why groove 11 is set is the arcuate recess shape of depression; One side each cell wall of its arcuate recess that is recessed to form itself and bottom land thickness uniformity; Avoided the blocked up and problem of stress concentration that causes of part cell body thickness, simultaneously, its domes have also guaranteed under the Vertical Load effect of battery pack; It bears minimizing of pressure, bending moment and shearing, thereby finally guarantees the use reliably and with long-term of battery case; Certainly, its groove 11 numbers and arrangement mode can be decided according to the concrete situation in the reality use, just give unnecessary details no longer one by one here.

Further, for guaranteeing the leakage effect of the utility model, like Fig. 1 and shown in Figure 3, said plastic battery box also comprises the liquid-leaking nozzle 12 that runs through the setting of box body 10 bottoms, and said liquid-leaking nozzle 12 is positioned on the groove 11 bottom cambered surfaces.Because the bottom land cambered surface of groove 11 itself promptly has the liquid of gathering effect; Through liquid-leaking nozzle 12 being set, that is to say that liquid-leaking nozzle 12 is arranged at the minimum position of groove 11 in groove 11 bottoms; Thereby guaranteed in good time deriving fast of box body 10 internal liquids; Final normal effectively work for battery pack provides assurance, the battery power discharge damage phenomenon of having avoided the conventional batteries box to cause because of the liquid-leaking nozzle design is unreasonable, and security performance is high.

Further, battery case also comprises the battery separator 13 that is arranged at box body 10 bottom surfaces, and said battery separator 13 runs through along its length direction and is communicated with each groove 11 and its plate face perpendicular grooves 11 length direction settings.That is to say that this moment, battery separator 13 constituted like Fig. 1 and shown in Figure 3 cross-shaped with groove 11; Like this, on the one hand, the design of battery separator 13 is divided into box body 10 between some battery rest areas; Thereby the separation of each battery of being more convenient for is placed; The final interval of each battery that guarantees is evenly arranged, has effectively avoided each battery that the conflict friction phenomenon takes place during vehicle ', on the other hand; The 11 length direction settings of battery separator 13 perpendicular grooves have also remedied groove 11 Width intensity and have shown slightly defect of insufficient, have finally guaranteed the further lifting of its box body 10 bulk strengths; In fact, in Fig. 1 and Fig. 3, the base of its battery separator 13 both can and the bottom of groove 11 between the disjunctor setting; Simultaneously offer a plurality of liquid-leaking nozzles 12 in the minimum point at its each disjunctor place; Also can directly liquid-leaking nozzle 12 be opened in the lowest part of groove 11,, realize the normal effectively work in hole 12 in the dead of night equally so simultaneously with reserving the leakage gap between the bottom of its battery separator 13 and groove 11; Specifically decide, just give unnecessary details no longer one by one here by producer or client's actual demand situation.

Further; Said installation hanger also comprises the 3rd hanger 23 that is arranged at box body 10 antetheca places; Said installation hanger all is tabular and its plate face is horizontally disposed with; Between said installation shackle plate face and box body 10 outer walls reinforcement 30 is set, said reinforcement 30 plate face verticals are arranged, specifically shown in Fig. 1-3.Like this; Its intensity that hanger is installed all can rely on reinforcement 30 to provide, thereby has guaranteed that it installs the load intensity needs that hanger still can satisfy whole fully loaded battery case when removing the metallic framework support from; In addition; Can be during concrete design and installation hanger with reference to Fig. 1 and shown in Figure 3, the extra setting strengthened groove a on the sidewall of box body 10 and left and

right sides hanger

21,22 cooperation places, and it strengthens groove a along its reinforcement 30 length direction settings; Thereby further guarantee to install the working strength of hanger, the overall structure reliable and stable.

In addition; Consider at the vehicle vehicle and jolt and brake when stopping that its battery pack is the inevitable phenomenon that leans forward that produces under effect of inertia, thus collision battery case antetheca and make it produce scraping damage phenomenon; Therefore; The plastic battery box also comprises the buffer part 40 that is used to cushion shock-absorbing, and buffer part 40 is arranged in the interior sidewall surface place on box body 10 antethecas, specifically shown in Fig. 1-3.Like this, when vehicle ran into said circumstances, battery pack leaned forward and preferential

crusherbull zone portion

40, and 40 of buffer part have played the energy-absorbing cushioning effect, thereby guarantee the normal reliable work of total.

Further, buffer part 40 profiles are the bar column and form along its length direction gauffer for box body 10 antethecas; Buffer part 40 is seven and is uniformly distributed with setting along the length direction of box body 10 antethecas.In other words, its buffer part 40 is the bar columnar projections that outstanding box body 10 inwalls are provided with, and wall that is mated side on the parallel box body 10 of each bar columnar projections length direction and vertical box body 10 bottom surfaces are provided with; In order to guarantee that its stress is unlikely to concentrated, thereby the wall thickness of its buffer part 40 is set to uniformity, has finally constituted above-mentioned accordion design, and its production is easy to make, and practicality is high; With above-mentioned groove 11, buffer part 40 numbers here also can be set to many groups or a plurality of, look concrete situation and decide.

The utility model is mainly used in the independent installation of loading storage battery of electric golf cart, low speed electric motor car and places; When mounted, at first the utility model is fixed on longitudinal beam and the crossbeam through hanger is installed, is placed in the box body 10 battery pack is as shown in Figure 2 again, at last battery plate b is pushed down battery pack and fix and get final product with screw and nut.Because its whole light weight and intensity is high; Can realize more than the load-carrying 180KG; Itself has more series of advantages such as few, in light weight, the anti-distortion of mounting points, corrosion-resistant, non-corrosive, coefficient of safety height than the conventional batteries box; Useful life is also longer, thereby can be in electric golf cart, the medium-term and long-term use of low speed electric motor car.

Claims

1. plastic battery box; It is characterized in that: comprise box body (10) and be arranged at the installation hanger on the box body; Box body (10) bottom is provided with strip groove (11) and/or convexity, and the line direction of the length direction of groove (11) and/or convexity and each installation hanger intersects or laterally arranges.

2. plastic battery box according to claim 1; It is characterized in that: said box body (10) is square box-like; Said installation hanger comprises the left and right hanger (21,22) that is arranged at box body both sides and symmetric arrangement, and the line direction that said groove (11) and/or protruding length direction are parallel to left and right hanger (21,22) is provided with.

3. plastic battery box according to claim 1 and 2 is characterized in that: the arcuate recess of said groove (11) for being formed to lower recess by box body (10) bottom surface, said groove (11) bottom cambered surface postpones and intersects setting to its notch two ends and with box body (10) bottom surface.

4. plastic battery box according to claim 3 is characterized in that: said groove (11) is four and is uniformly distributed with and is arranged at box body (10) bottom surface place.

5. plastic battery box according to claim 3 is characterized in that: said plastic battery box also comprises the liquid-leaking nozzle (12) that runs through the setting of box body (10) bottom, and said liquid-leaking nozzle (12) is positioned on the cambered surface of groove (11) bottom.

6. plastic battery box according to claim 3; It is characterized in that: battery case also comprises the battery separator (13) that is arranged at box body (10) bottom surface; Said battery separator (13) runs through along its length direction and is communicated with each groove (11) and its plate face perpendicular grooves (11) length direction setting

7. plastic battery box according to claim 2; It is characterized in that: said installation hanger also comprises the 3rd hanger (23) that is arranged at box body (10) antetheca place; Said installation hanger all is tabular and its plate face is horizontally disposed with; Between said installation shackle plate face and box body (10) outer wall reinforcement (30) is set, said reinforcement (30) plate face vertical is arranged.

8. plastic battery box according to claim 2 is characterized in that: said plastic battery box also comprises the buffer part (40) that is used to cushion shock-absorbing, and said buffer part (40) is arranged in the interior sidewall surface place on box body (10) antetheca.

9. plastic battery box according to claim 8 is characterized in that: buffer part (40) profile is the bar column and forms along its length direction gauffer for box body (10) antetheca.

10. it is characterized in that according to Claim 8 or 9 described plastic battery boxes: buffer part (40) is seven and is uniformly distributed with setting along the length direction of box body (10) antetheca.