CN217983513U - Battery bottom support and electric vehicle - Google Patents

Abstract

The utility model discloses a battery collet and electric motor car, including the collet body, dismantle at least on the collet body and be connected with a spacing, be equipped with one on the collet body at least with the crossing rib of spacing, a plurality of first battery holding districts are separated into with the collet body to the rib, spacing separates into a plurality of second battery holding districts with first battery holding district. The utility model discloses in adopt the rib to separate into a plurality of first battery holding districts with the collet body, adopt the spacing of dismantling the connection can separate into a plurality of second battery holding districts with first battery holding district as required, the battery length that can place in the second battery holding district is less than the battery length in first battery holding district to adapt to the group battery of different models, the suitability is more extensive, the cost is reduced.

Description

Battery bottom support and electric vehicle

Technical Field

The utility model relates to an electric motor car field especially relates to a battery collet and electric motor car.

Background

Electric bicycle, electric motorcycle car etc. provide power for the vehicle through the group battery, and its battery of chooseing for use is mostly lead acid battery, and the group battery of constituteing by a plurality of lead acid batteries is placed on the battery collet, and the battery collet passes through structure fixed connection such as bolt with electric motor car frame, and the upper end of group battery sets up the layering, and the layering is connected with electric motor car frame, and then realizes fixing the group battery on the battery collet.

For different vehicle models, the battery pack models selected are different, the size of the battery pack is also different, for example, a 72V/20A battery pack needs 6 12V/20A batteries, the length of the 20A battery is 181mm, the width of the 30A battery pack is far beyond 181mm, the length of the 30A battery is 267mm, and because a 30A battery bottom support is overlarge, the battery bottom support suitable for the 30A battery pack cannot be used for supporting the 20A battery pack, the universality of the battery bottom support is poor, the battery bottom supports with different sizes need to be produced according to the battery packs with different models, and the production cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery collet.

The utility model also provides an electric motor car.

The utility model discloses an innovation point lies in adopting the rib to separate into a plurality of first battery holding districts with the collet body, and the spacing of adopting the dismantlement connection can be separated into a plurality of second battery holding districts with first battery holding district as required, and the battery length that can place in the second battery holding district is less than the battery length in first battery holding district to adapt to the group battery of different models, the suitability is more extensive, the cost is reduced.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

the utility model provides a battery collet, includes the collet body, it is connected with a spacing to dismantle at least on the collet body, be equipped with at least one on the collet body with the crossing rib of spacing, a plurality of first battery holding districts are separated into with the collet body to the rib, spacing separates into a plurality of second battery holding districts with first battery holding district. Adopt the rib to separate into a plurality of battery holding districts with the collet body, adopt the spacing of dismantling the connection can separate into a plurality of cell holding districts with a plurality of battery holding districts as required to adapt to the group battery of different models, the suitability is more extensive, the cost is reduced.

Preferably, the intersection of each rib and the limiting strip is disconnected, so that the limiting strips are suitable for being assembled at the disconnected positions of the ribs. The ribs are disconnected, so that the installation of the limiting strips is facilitated.

Preferably, the bottom support body is provided with a groove aligned and communicated with the broken part of the rib, and the limiting strip is arranged in the groove and connected with the groove through a clamping structure. The groove is arranged to play a role in limiting, so that the limiting strip is not easy to horizontally move; the clamping structure facilitates the disassembly of the limiting strips, so that batteries with different specifications and sizes can be placed conveniently.

Preferably, the limiting strip comprises a bottom edge and a blocking edge perpendicular to the bottom edge, the bottom edge is arranged in the groove, and the upper surface of the bottom edge is flush with the upper surface of the bottom support body. The upper surface of the bottom edge is flush with the upper surface of the bottom support body, so that the battery can be stably placed on the bottom edge and is not easy to shake, the bottom surface of the battery is uniformly stressed, and the battery is not easy to damage; be equipped with the flange, make things convenient for the hand to grip spacing, and then conveniently dismantle and install spacing.

Preferably, the clamping structure comprises a convex block and a through hole clamped with the convex block in an interference fit manner; the lug is arranged on the lower bottom surface of the bottom edge, and the through hole is arranged at the bottom of the groove; when the convex block is arranged at the bottom of the groove, the through hole is arranged at the lower bottom surface of the bottom edge. The through holes and the convex blocks are arranged, so that the limiting strips are convenient to mount and dismount, the size of the first battery accommodating area is changed, and the first battery accommodating area is suitable for batteries with different specifications and sizes; interference fit can ensure the firm in connection nature between lug and the through-hole, and spacing is difficult for rocking, reduces the battery and rocks the range.

Preferably, the periphery of the bottom support body is upwards vertically extended to form flanges, the flanges at two ends of the bottom support body are outwards vertically extended to form fixing lugs, a plurality of mounting holes are formed in each fixing lug, and the mounting holes are suitable for fixing the battery bottom support on the frame of the electric vehicle through fasteners. The turn-ups plays the effect that blocks, prevents that the battery from dropping from base body, and still fixed ear of easy to assemble. The fixing lug is fixed on the frame of the electric vehicle through a fastener and can support and fix the bottom support body.

Preferably, the outer side wall of the bottom support body is provided with a plurality of reinforcing ribs, and the end part of each reinforcing rib extends to the outer side wall of the flanging. The strength of the collet body is enhanced.

In order to realize the purpose of the invention, another technical scheme is provided:

an electric vehicle comprises the battery bottom bracket.

The utility model has the advantages that:

1. adopt the rib to separate into a plurality of first battery holding districts with the collet body, adopt the spacing of dismantling the connection can be separated into a plurality of second battery holding districts with a plurality of first battery holding districts as required, spacing uses second battery holding district to place the battery when being in the assembled state, spacing uses first battery holding district to place the battery when being in the dismantlement state, the battery length that first battery holding district and second battery holding district were placed is different, with the group battery of adaptation different models, the suitability is more extensive, and the cost is reduced.

2. Through-hole and lug make things convenient for spacing to install on the collet body, simple structure, convenient operation.

3. The bottom edge is convenient for mounting each lug, the flanges are convenient for holding by hands, and the limiting strips are convenient to mount; the spacer can support the flange, reduces the battery and takes place to warp to the flange collision.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a groove and a through hole.

Fig. 3 is a schematic structural view of the position-limiting strip.

In the figure:

1. a collet body; 11. a first battery housing region; 12. a second battery housing section; 2. flanging; 3. a limiting strip; 31. a bottom edge; 32. blocking edges; 33. a bump; 4. ribs; 5. a spacer; 6. a groove; 61. a through hole; 7. fixing the lug; 8. and (5) reinforcing ribs.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

As shown in figure 1, a battery collet, including collet body 1, the perpendicular extension that makes progress all around of collet body 1 has turn-ups 2, and outside perpendicular extension has fixed ear 7 on the both ends turn-ups 2 of collet body 1, has all seted up the mounting hole on every fixed ear 7, and fasteners such as assembly bolt are convenient for with battery collet and electric motor car frame fastening connection in the mounting hole. Evenly spaced respectively on the lateral wall of collet body 1 is provided with many strengthening ribs 8, and the tip of each strengthening rib 8 extends to the lateral wall of turn-ups 2. The collet body 1 is provided with at least a plurality of ribs 4, and the plurality of ribs 4 divide the collet body 1 into a plurality of first battery accommodating areas 11. The collet body 1 is provided with grooves 6 perpendicular to the ribs 4, and the grooves 6 are suitable for disconnecting the ribs 4.

As shown in fig. 1, 2 and 3, each groove 6 is detachably connected with a limiting strip 3 through a clamping structure, and the intersection of the limiting strip 3 and the rib 4 is the break of the rib 4. The battery accommodating area 11 is divided into a plurality of second battery accommodating areas 12 by the limiting strips 3. The limiting strip 3 can be but is not limited to be L-shaped and comprises a bottom edge 31 and a blocking edge 32 perpendicular to the bottom edge 31, the bottom edge 31 is arranged in the groove 6, the upper surface of the bottom edge 31 is flush with the upper surface of the bottom support body 1, a plurality of convex blocks 33 are uniformly arranged on the lower bottom surface of the bottom edge 31 along the length direction of the bottom edge, through holes 61 which are in interference fit clamping connection with the convex blocks 33 are arranged in the groove 6, and the shape of the through holes 61 can be but is not limited to waist-shaped. In the utility model, the convex block 33 can also be arranged at the bottom of the groove 6, and the through hole 61 is arranged at the lower bottom surface of the bottom edge 31; the shape of the projections 22 and the grooves 6 may be, but not limited to, a long strip. The bottom edge 31 is vertically connected with a plurality of spacers 5, the number of the spacers 5 is equal to that of the ribs 4, the spacers 5 and the corresponding ribs 4 are positioned on the same straight line, and one side of each spacer 5 adjacent to the bottom plate 31 is connected with the rib 32.

It should be noted that the small area formed between the limiting strip 3 and the parallel flanging 2 does not contain batteries.

The utility model discloses the material of well battery collet is plastics.

Dismantle spacing 3 back, collet body 1 is cut apart into a plurality of first battery holding districts 11 by each rib 4, places at least one battery in every first battery holding district 11, and the battery length of placing in the first battery holding district 11 is great, for example: 12V32A battery. After the position-limiting strip 3 is installed in the groove 6, the length of the battery placed in the second battery accommodating area 12 is smaller, for example: 12V20A battery. The voltage value of the battery pack can also be adjusted by increasing or decreasing the number of battery blocks, for example: selecting and installing 5 batteries, wherein the voltage of a battery pack is 60V; 6 batteries are selected to be installed, and the voltage of the battery pack is 72V. So set up, collet body 1 is applicable to 72V 32A's group battery, 72V 20A's group battery, 60V 20A's group battery etc. and the commonality is stronger, has reduced manufacturing cost.

It should be noted that the number of the limiting strips 3 may be set to be one, two, three, or the like. When one limiting strip 3 is arranged, a second battery accommodating area 12 is formed among the limiting strip 3, the flanging 2 and the corresponding ribs 4; when two limiting strips 3 are arranged, a second battery accommodating area 12 is formed between the two limiting strips 3 and the corresponding ribs 4; when setting up three spacing 3, call it in proper order as spacing one, spacing two, spacing three, spacing one, spacing two cooperation can place the battery of a length model between the two, tear down spacing two, spacing one, spacing three cooperation can place the battery of another kind of length model between the two, the collet body 1 that this technical scheme corresponds can realize the battery of three at least types of models of bearing through dismantling with installation spacing 3.

Example 2

An electric vehicle comprising the battery shoe of embodiment 1 above.

In view of the above, it is possible to provide,

taking two spacing 3 and two ribs 4 as an example, two spacing 3 symmetries set up, and the width between two ribs 4 equals the width of a battery, is called rib one and rib two with two ribs 4 in proper order, can place three batteries, one side that rib one was kept away from to rib two and two spacing 3 between one side of rib one and two spacing 3 and can place two batteries. So set up, can guarantee the weight balance that collet body 1 bore as far as possible. When the two limiting strips 3 are arranged on the bottom support body 1, three second battery accommodating areas 12 are formed by the two limiting strips, the battery which is 72V20A is completely filled, and the battery which is 60V20A is left out of one second battery accommodating area 12 in the middle. After the two limiting strips 3 are removed, the battery pack of 72V32A is fully filled in each first battery accommodating area 11, and the battery pack of 60V32A is left out in the area between the two ribs 4. In this embodiment, the ribs 4 are not disposed between any adjacent batteries, so as to reduce the distance between adjacent batteries, and to some extent, the battery shaking space can be prevented from being large.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (7)

1. A battery collet comprises a collet body, wherein at least one limiting strip is detachably connected to the collet body, at least one rib intersected with the limiting strip is arranged on the collet body, the rib divides the collet body into a plurality of first battery accommodating areas, and the limiting strip divides the first battery accommodating areas into a plurality of second battery accommodating areas;

the intersection of each rib and the limiting strip is disconnected, so that the limiting strips are suitable for being assembled at the rib disconnection positions;

the bottom support body is provided with a groove which is aligned with and communicated with the broken part of the rib, the limiting strip is arranged in the groove, and the limiting strip is connected with the groove through a clamping structure.

2. The battery shoe according to claim 1,

the limiting strip comprises a bottom edge and a blocking edge perpendicular to the bottom edge, the bottom edge is arranged in the groove, and the upper surface of the bottom edge is flush with the upper surface of the bottom support body.

3. The battery shoe according to claim 2,

the clamping structure comprises a convex block and a through hole in interference fit clamping connection with the convex block;

the lug is arranged on the lower bottom surface of the bottom edge, and the through hole is arranged at the bottom of the groove;

when the convex block is arranged at the bottom of the groove, the through hole is arranged at the lower bottom surface of the bottom edge.

4. The battery shoe according to claim 2,

the bottom edge is provided with spacers which correspond to the ribs one by one and are positioned on the same straight line, and one side of each spacer, which is adjacent to the bottom edge, is connected with the flanges.

5. The battery shoe according to claim 1,

the collet body all around upwards extend there is the turn-ups, and the both ends turn-ups that is located the collet body are gone up and are outwards extended and have fixed ear, all seted up a plurality of mounting holes on every fixed ear, be suitable for in the mounting hole to be fixed in the electric motor car frame with the battery collet through the fastener.

6. The battery shoe according to claim 5,

the lateral wall of collet body is provided with many strengthening ribs, each the tip of strengthening rib extends to turn-ups lateral wall.

7. An electric vehicle is characterized in that the electric vehicle,

comprising the battery holder according to any of claims 1-6.

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