A kind of battery case that is used for fixing battery
Technical field
The utility model cell fixing device relates in particular to a kind of battery case that is used for fixing battery.
Background technology
Electric automobile utilizes battery as power source; Can realize zero discharge and zero pollution, be the direction of automobile future development, and the employed battery of electric automobile is heavier at present; Automobile can bring bigger vibration to battery in the process of moving; Battery just might be along all directions generation play, thereby influences the operate as normal and the useful life of battery, also can cause more serious accident sometimes.
Therefore in the actual use of battery, need fix battery, battery fixed form of the prior art adopts split to fix usually; Promptly carry out fixing respectively to battery and battery case; Battery is fixed as a part, and battery case is fixed as another part, subsequently with the whole connection of two parts.This fixed form can not be fixed the battery case monomer, and the usage space of battery case is had bigger restriction, in order to guarantee the installation of battery, often need do battery case greatly, and battery case will be greatly and heavy, is unfavorable for promoting the use of of battery case.
Summary of the invention
The purpose of the utility model is to provide a kind of battery case that can in Battery case, fix battery cell.
In order to address the above problem, the technical scheme of the utility model is:
A kind of battery case that is used for fixing battery; Comprise casing; Said casing comprises the riser that is provided with around base plate and the base plate; Be provided with in the base plate upper fixed in the said casing and be used to be pressed between the adjacent cell or the press strip between battery and the riser, said press strip has and when press strip is pressed into, is used to strut adjacent cell or adjacent cell and riser to apply the projection of thrust, and at least one side of said projection is provided with and is used for battery is applied the seal face towards the thrust of base plate.
Said base plate is provided with the locked groove of corresponding setting with press strip, is provided with between described locked groove and the press strip to be used to make bolt, the nut body that both lock battery its.
Described riser comprises preceding riser, back riser, left riser and right riser, and described press strip comprises left press strip, right press strip and the press strip at least one that spacing parallel arranging setting and length are provided with along the fore-and-aft direction extension.
Press strip comprises the U type flap that length is provided with along the fore-and-aft direction extension in described; The protrusion direction of said U type flap is towards said base plate direction; Said U type flap has two side plates that when press strip is pressed into, are used to strut adjacent cell; Described projection is described U type flap; The plate of two side plates of said U type flap turns edge along turning up respectively along left and right directions, and described seal face is the said bottom surface that turns edge, and the front and back ends of described press strip is respectively equipped with and is used for the forward and backward stiff end of press strip that press strip fixedly installs.
Described left and right press strip comprises the Z type flap that length is provided with along the fore-and-aft direction extension; Described Z type flap comprises top board, base plate and is used for the intermediate plate that top margin is connected with the base; Described projection is base plate and connecting plate, and described seal face is the bottom surface of said top board.
Be connected respectively on the described forward and backward riser and be provided with front sign indicating number and the backstop sign indicating number that the front and back ends that is used for corresponding left, center, right press strip is threaded; Described front sign indicating number is the projection cube structure that is connected on the said front apron and is provided with; Described projection cube structure has the cooperation section that the front end that is used for corresponding press strip is threaded; Described backstop sign indicating number comprises L type flap; A flanging of L type flap is to be used for cooperating the riser mating edge that is connected with the back riser, and another flanging is the press strip mating edge that corresponding press strip is threaded.
Be fixed with respectively on the described left and right riser and be used for the side retaining sign indicating number that left and right press strip is connected; Described side retaining sign indicating number comprises L type flap; Flanging outside of said L type flap is fixed with and is used for the retaining sign indicating number nut that is threaded with the middle part of left and right press strip; Another flanging outside of described L type flap is fixed with and is used for welding the contiguous block that is connected with said left and right riser, offers on the described left and right riser to be used for the welding hole that corresponding contiguous block wears.
Between corresponding one group of riser, be connected in the described casing and be provided with the median septum that at least one is set up in parallel and is used for battery is compressed along fore-and-aft direction with said corresponding one group of riser.
Described riser comprises preceding riser, back riser, left riser and right riser, and described median septum has one and be set up in parallel between said forward and backward riser, is fixed with on the riser before described to be used for the fixed block that said median septum is connected.
Be equipped with between described adjacent locked groove and be used for the insulation transverse slat that battery is sat dress.
The beneficial effect of the utility model is: the utility model carries out the fixing of along continuous straight runs to single battery respectively through the protuberance that is arranged at the battery case inside casing; Seal face through press strip carries out the fixing of above-below direction to single battery respectively; Guaranteed battery along all directions play not, the utility model provides a kind of battery case that can in Battery case, fix battery cell.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of left and right press strip among Fig. 1;
Fig. 3 is the structural representation of press strip among Fig. 1;
Fig. 4 is the structural representation of side retaining sign indicating number among Fig. 1;
Fig. 5 is the structural representation at another visual angle of Fig. 1;
Fig. 6 is an A place enlarged drawing among Fig. 5;
Fig. 7 is a B place enlarged drawing among Fig. 5.
Embodiment
Shown in Fig. 1 ~ 7: a kind of battery case that is used for fixing battery; Comprise casing; Said casing comprises the riser that is provided with around base plate 27 and the base plate 27; Being provided with in base plate 27 upper fixed in the said casing is used to be pressed between the adjacent cell or the press strip between battery and the riser; Said press strip has and when press strip is pressed into, is used to strut adjacent cell or adjacent cell and riser to apply the projection of thrust, and at least one side of said projection is provided with and is used for battery is applied the seal face towards the thrust of base plate 27.
Described riser comprises preceding riser 23, back riser 22, left riser 24 and right riser 25, and described front, rear, left and right riser is enclosed to form and is used for the installation cavity 26 that battery is placed.Described press strip comprises left press strip 31, right press strip 1 and two middle press strips 5 that spacing parallel arranging setting and length are provided with along the fore-and-aft direction extension.Said base plate 27 is provided with the locked groove of corresponding setting with press strip; Be provided with between described locked groove and the press strip and be used to make bolt, the nut body that both lock battery its; Described locked groove comprises left locked groove (not marking among the figure), right locked groove 4 and two middle locked grooves 6; Four locked grooves are divided into three parts with installation cavity 26, are equipped with between the described adjacent locked groove to be used for the insulation transverse slat that battery is sat dress.
Press strip 5 comprises the U type flap 16 that length is provided with along the fore-and-aft direction extension in described; The protrusion direction of said U type flap 16 is towards said base plate 27 directions; Said U type flap 16 has two side plates 50 that when press strip is pressed into, are used to strut adjacent cell; Described projection is described U type flap 16; The plate of two side plates 50 of said U type flap 16 turns edge 15 along turning up respectively along left and right directions, and described seal face is said 15 the bottom surface 51 of turning edge, the described 15 press strip reinforcements 14 that are connected with away from an end one bending on said plate edge that turn edge; Described press strip reinforcement 14 cooperates along being adjacent to plate, and the two ends of said U type flap are respectively equipped with middle adpting flange 17.Described left and right press strip comprises the Z type flap that length is provided with along the fore-and-aft direction extension; Described Z type flap comprises top board 19, base plate 20 and is used for the intermediate plate 52 that top board 19 is connected with base plate 20; Described projection is base plate 20 and connecting plate 52, and described seal face is the bottom surface 53 of said top board 19.The top board 19 one bendings of described Z type flap are connected with retaining sign indicating number reinforcement 18, and described retaining sign indicating number reinforcing mechanisms 18 is adjacent to the top board 19 of said Z type flap and cooperates.The two ends of said Z type flap are respectively equipped with side adpting flange 21, and described Z type flap and said adpting flange 21 are wholely set, and the front and back ends of said press strip is respectively equipped with and is used for before the press strip that press strip fixedly installs stiff end 12 behind the stiff end 11 and press strip.
Be connected respectively on the described forward and backward riser and be provided with the front sign indicating number 2 and backstop sign indicating number 8 that the preceding stiff end 11 that is used for corresponding left, center, right press strip and back stiff end 12 are threaded; The projection cube structure of described front sign indicating number 2 for being connected on the said front apron 23 and being provided with; Described projection cube structure has the cooperation section that preceding stiff end 11 ends that are used for corresponding press strip are threaded, described before stiff end 11 be one through the preceding connecting plate that have through hole of ledge structure with corresponding press strip transition connection.Between corresponding one group of riser, be connected in the described casing and be provided with the median septum 7 that at least one is set up in parallel and is used for battery is compressed along fore-and-aft direction with said corresponding one group of riser; Described median septum 7 is provided with the air-vent that connects its front and back side, and median septum 7 separates battery and electric elements and increased the installing space of electric elements.In the present embodiment; Described median septum has one and be set up in parallel between said forward and backward riser; Be fixed with on the riser 23 before described and be used for the fixed block that said median septum 7 is connected; Described fixed block is front sign indicating number 2, and described median septum 7 is through being threaded and front sign indicating number 2 is connected, and front sign indicating number 2 is provided with and is used for the end face that is connected that median septum 7 is connected.Described backstop sign indicating number 8 comprises L type flap; A flanging of L type flap is to be used for cooperating the riser mating edge 30 that is connected with the back riser; Another flanging is the press strip mating edge that the back stiff end 12 of corresponding press strip is threaded, and described back stiff end 12 is the back connecting plate that has through hole through ledge structure and corresponding press strip transition connection.Be fixed with respectively on the described left and right riser and be used for the side retaining sign indicating number 3 that left and right press strip is connected; Described side retaining sign indicating number comprises L type flap; Flanging outside of said L type flap is fixed with and is used for the retaining sign indicating number nut 10 that is threaded with the middle part of left and right press strip; Another flanging outside of described L type flap is fixed with and is used for welding the contiguous block 13 that is connected with said left and right riser, offers on the described left and right riser to be used for the welding hole that corresponding contiguous block 13 wears.
Be equipped with between described median septum 7, left riser 24, right riser 25 and back riser 22 and the battery and be used for the insulation riser that insulate between battery and the casing.
In other execution mode of the utility model, described median septum 7 can not established, but along the press strip that left and right directions extends battery is carried out the fixed limit along fore-and-aft direction with length direction; Certainly locked groove can not established yet, and directly through press strip battery is compressed, and has increased the effect that compresses of press strip to battery through locked groove; Described forward and backward retaining sign indicating number and side retaining sign indicating number 3 can not established yet, and are arranged on the box body wall of casing but directly press strip is connected; Certainly the shape of press strip 5 and left and right press strip also is not limited to above-mentioned shape in described, and such as the T type, when there was enough big usage space the battery side, the shape of left and right press strip also can be identical with the structure of middle press strip.When there is enough big usage space the battery side, also can lock between described left and right press strip and the corresponding locked groove through bolt, nut check mechanism; Described median septum 7 also can have the front and back side of two and setting and battery; In described the number of press strip 5 can also be one, three or more.
During use, earlier be divided into three parts to casing, adjacent locked groove linked together, in the assurance bottom insulation and constituted the mounting seat of battery with the insulation transverse slat by left locked groove, middle locked groove 6 and right locked groove 4.Through the median septum 7 that is connected on the front sign indicating number 2 electric elements and battery are partly separated then; Put into casing to battery in order; Constitute battery modules, the while guarantees to insulate around battery modules and the casing with this placing the insulation riser around the battery and between the casing.The middle press strip 5 of high strength design is by the nut that is provided with on the middle locked groove 6; With stay bolt battery is locked up and down, left and right press strip is locked by the retaining sign indicating number nut 10 of side retaining sign indicating number 3, and the projection of press strip has guaranteed that battery fixes along left and right directions; The seal face of press strip has guaranteed that battery fixes along the vertical direction; The fore-and-aft direction of battery carries out fixed limit by front sign indicating number 2, thereby has realized that all around of battery, above-below direction can both lock, and has reached the purpose of self-contained battery.Alleviated the weight of casing and dwindled taking up room of casing by press strip and retaining code structure; Enlarged the installing space of electric elements simultaneously through median septum 7.