CN213636156U

CN213636156U - Cylindrical battery module

Info

Publication number: CN213636156U
Application number: CN202022649791.4U
Authority: CN
Inventors: 侯光华; 刘克勤; 江金源; 王宝鸡; 黄绍林; 杨顺禄; 刘峥嵘
Original assignee: Yinlong New Energy Co Ltd; Zhuhai Yinlong Electrical Appliance Co Ltd
Current assignee: Yinlong New Energy Co Ltd; Zhuhai Yinlong Electrical Appliance Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-06
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a cylinder battery module, including a plurality of cylinder batteries that set up side by side, each cylinder battery both ends set up the battery holder respectively, and in the tip of each cylinder battery inserted the battery holder respectively, the cylinder battery top was equipped with the apron, and the below is equipped with the bottom plate, still includes the connecting rod, and the connecting rod passes apron, battery holder and bottom plate respectively to it is fixed through the fastener. Cylinder battery module, battery holder presss from both sides tight a plurality of cylinder batteries and realizes that the horizontal direction is fixed, the connecting rod passes apron, battery holder and bottom plate, makes battery module final fixed, is equipped with elasticity opening and shutting mouth on the battery holder, the connecting rod opens and shuts the bellying butt of mouth with elasticity to make the outer wall of cylinder battery and support the groove crowded tightly, promote firm intensity, anti-vibration strength is high, reduces the use risk, improves the life of battery box.

Description

Cylindrical battery module

Technical Field

The utility model relates to a battery especially relates to a cylinder battery module.

Background

Traditional cylinder battery assembles the module in-process at PACK, because the curved surface structure of external diameter, and there is the tolerance in the external diameter, and the support of its fixed battery hardly reaches the effect of fastening to every electric core, and the electric core is not hard up and may cause the solder joint of busbar and electric core to damage under the long-term circumstances of vibrating to cause voltage anomaly, bring the safety risk to the use of battery box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder battery module to the electric core of solving current cylinder battery easily causes the technical problem that the solder joint of busbar and electric core damaged in the use.

In order to achieve the above object, the utility model discloses a concrete technical scheme of cylinder battery module as follows:

the utility model provides a cylinder battery module, includes a plurality of cylinder batteries that set up side by side, and each cylinder battery both ends set up the battery holder respectively, and in the tip of each cylinder battery inserted the battery holder respectively, the cylinder battery top was equipped with the apron, and the below is equipped with the bottom plate, still includes the connecting rod, and the connecting rod passes apron, battery holder and bottom plate respectively to it is fixed through the fastener.

Further, the battery support includes a plurality of circular support grooves that are array distribution, and the inner wall that supports the groove evenly sets up a plurality of brace tables, supports to be equipped with spacing platform on the battery support in the groove outside, and the tip of cylinder battery inserts supports the inslot.

Further, the terminal surface of cylinder battery is equipped with the busbar, and the busbar is with the cylinder battery series connection in every group, sets up the groove of dodging that holds the busbar between the adjacent support groove.

Furthermore, the outer side of the battery support is also provided with an insulating plate, four corners of the insulating plate and the battery support are respectively provided with a fixing hole in a relative mode, and the insulating plate is fixed on the battery support through bolts.

Furthermore, a wire passing groove is further formed in the battery support between the two rows of supporting grooves and used for embedding the wire harness in advance.

Furthermore, the battery support between two adjacent rows of support grooves is provided with a mounting hole for the connecting rod to pass through, the bottom plate and the cover plate opposite to the mounting hole are respectively provided with a connecting hole, the connecting rod respectively passes through the connecting hole and the mounting hole, and two ends of the connecting rod are respectively screwed and fixed through nuts.

Furthermore, the connecting rod is a screw, a press riveting nut is arranged at the connecting hole of the bottom plate, and the cylindrical battery module is fixed through the screw and the press riveting nut in a threaded mode.

Furthermore, the supporting grooves on two sides of the mounting hole are respectively provided with an elastic opening and closing opening which is V-shaped, the protruding parts of the elastic opening and closing openings are arranged towards the adjacent supporting grooves, and the connecting rods are in contact with the protruding parts, so that the elastic opening and closing openings tightly squeeze the side walls of the cylindrical batteries.

Furthermore, square holes arranged in an array are arranged on the bottom plate and the cover plate.

The utility model discloses a cylinder battery module has following advantage:

cylinder battery module, battery holder presss from both sides tight a plurality of cylinder batteries and realizes that the horizontal direction is fixed, the connecting rod passes apron, battery holder and bottom plate, makes battery module final fixed, is equipped with elasticity opening and shutting mouth on the battery holder, the connecting rod opens and shuts the bellying butt of mouth with elasticity to make the outer wall of cylinder battery and support the groove crowded tightly, promote firm intensity, anti-vibration strength is high, reduces the use risk, improves the life of battery box.

Drawings

Fig. 1 is a perspective view of a battery module according to the present invention;

fig. 2 is an exploded view of the battery module according to the present invention;

fig. 3 is a cross-sectional view of the battery module of the present invention;

fig. 4 is a perspective view of the battery holder of the present invention;

fig. 5 is a front view of the battery holder of the present invention;

fig. 6 is a top view of the battery holder according to the present invention.

The reference numbers in the figures illustrate: 1. a base plate; 11. pressing and riveting the nut; 2. a battery holder; 21. a support groove; 22. a support table; 23. the opening and closing of the opening are elastically carried out; 24. a wire passing groove; 25. an avoidance groove; 26. mounting holes; 3. a bus bar; 4. an insulating plate; 5. a cylindrical battery; 6. a cover plate; 7. a connecting rod.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model discloses a cylindrical battery module, including a plurality of cylindrical battery 5 that set up side by side, each cylindrical battery 5 both ends set up battery holder 2 respectively, and in each cylindrical battery 5's tip inserted battery holder 2 respectively, cylindrical battery 5 top was equipped with apron 6, and the below was equipped with bottom plate 1, still includes connecting rod 7, and connecting rod 7 passes apron 6, battery holder 2 and bottom plate 1 respectively to it is fixed through the fastener, thereby fixes cylindrical battery 5.

As shown in fig. 2-3, a plurality of cylindrical cells 5 are arranged in an array, every three columns of cylindrical cells 5 form a group, the two ends of each group of cylindrical cells 5 are respectively provided with a cell support 2, and each group of cylindrical cells 5 is clamped from the two ends by the cell supports 2. Battery support 2 adopts the PPO material through injection molding technology integrated into one piece, is equipped with 12 support grooves 21 on every battery support 2, is 4 rows 3 columns array formula evenly distributed, and the quantity and the arrangement of every group cylinder battery 5 can arrange according to actual installation demand.

As shown in fig. 4-6, the battery holder 2 includes a plurality of circular supporting grooves 21 distributed in an array, a plurality of supporting tables 22 are uniformly disposed on the inner walls of the supporting grooves 21, a limiting table is disposed on the battery holder 2 outside the supporting grooves 21 for limiting axial movement of the cylindrical batteries 5, busbars 3 are disposed on the end faces of the cylindrical batteries 5, the cylindrical batteries 5 in each group are connected in series by the busbars 3, and an avoiding groove 25 for accommodating the busbars 3 is disposed between the adjacent supporting grooves 21. The battery holder 2 comprises a plurality of injection-molded support grooves 21, so that molding defects are easily avoided, and the cost is reduced.

In order to facilitate wire arrangement, a wire passing groove 24 is further formed in the battery support 2 between the two rows of support grooves 21 and used for pre-burying a wire harness.

Support slot 21 punishment between the adjacent row do not sets up elasticity opening and shutting 23, and elasticity opening and shutting 23 is the V type, and the bellying of elasticity opening and shutting 23 sets up towards adjacent support slot 21, and connecting rod 7 runs through elasticity opening and shutting 23, makes the side wall of elasticity opening and shutting 23 crowded cylindrical battery 5, and after the fastener locking, it is firm to make every cylindrical battery 5 fastening, and anti-vibration strength is high, reduces the use risk, improves the life of battery box.

The battery support 2 outside still is equipped with insulation board 4, and insulation board 4 and battery support 2's four corners department is relative respectively sets up the fixed orifices, fixes insulation board 4 on battery support 2 through the bolt, reaches the insulating effect of busbar 3.

As shown in fig. 2-3, the bottom plate 1 is arranged below the battery support 2, the bottom plate 1 is a sheet metal part and is made through a bending process, the bottom plate 1 is a square plate, the bottom plate 1 is bent along the long side direction, the wide side of the bottom plate 1 is bent in the same manner and is turned outwards to form a turned edge, the turned edge is provided with assembly holes, and the four corners of the bottom plate 1 are fixed through welding.

The cover plate 6 is also a sheet metal part, the thickness of the cover plate 6 is 1mm-2mm, and the thickness of the cover plate 6 can be thickened properly according to the quantity of the cylindrical batteries 5 of the battery module and the requirement of the use working condition.

The battery support 2 between two adjacent rows of support grooves 21 is provided with a mounting hole 26 for the connecting rod 7 to pass through, the bottom plate 1 and the cover plate 6 opposite to the mounting hole 26 are respectively provided with a connecting hole, the connecting rod 7 respectively passes through the connecting hole and the mounting hole 26, and two ends of the connecting rod 7 are respectively screwed and fixed through nuts. The connecting rod 7 can also be a screw, a press-riveting nut 11 is arranged at the connecting hole of the bottom plate 1, and the cylindrical battery module is fixed by the screw and the press-riveting nut 11 in a threaded mode.

In order to reduce the weight of the battery module, square holes arranged in an array are arranged on the bottom plate 1 and the cover plate 6, and the weight is reduced under the condition that the strength is not reduced.

This cylinder battery module, battery holder 2 presss from both sides tight a plurality of cylinder batteries 5 and realizes that the horizontal direction is fixed, connecting rod 7 passes apron 6, battery holder 2 and bottom plate 1, it is final fixed to make the battery module, it opens and shuts mouthful 23 to be equipped with elasticity on battery holder 2, connecting rod 7 opens and shuts the bellying butt of mouthful 23 with elasticity, thereby make the outer wall of cylinder battery 5 and support groove 21 crowded tightly, promote firm intensity, anti-vibration intensity is high, reduce the use risk, improve the life of battery box.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a cylinder battery module, a serial communication port, including a plurality of cylinder batteries (5) that set up side by side, each cylinder battery (5) both ends set up battery holder (2) respectively, the tip of each cylinder battery (5) inserts respectively in battery holder (2), cylinder battery (5) top is equipped with apron (6), the below is equipped with bottom plate (1), still include connecting rod (7), apron (6), battery holder (2) and bottom plate (1) are passed respectively in connecting rod (7), and it is fixed through the fastener.

2. The cylindrical battery module as claimed in claim 1, wherein the battery holder (2) comprises a plurality of circular supporting grooves (21) distributed in an array, a plurality of supporting platforms (22) are uniformly arranged on the inner walls of the supporting grooves (21), a limiting platform is arranged on the battery holder (2) outside the supporting grooves (21), and the ends of the cylindrical batteries (5) are inserted into the supporting grooves (21).

3. The cylindrical battery module as claimed in claim 2, wherein a wire passing groove (24) is further formed in the battery support (2) between the two rows of support grooves (21) and used for pre-burying a wire harness.

4. The cylindrical battery module as claimed in claim 2, characterized in that the end faces of the cylindrical batteries (5) are provided with busbars (3), which busbars (3) connect the cylindrical batteries (5) in each group in series, and an avoidance groove (25) accommodating the busbars (3) is provided between adjacent support grooves (21).

5. The cylindrical battery module as claimed in claim 4, wherein an insulating plate (4) is further arranged on the outer side of the battery support (2), fixing holes are oppositely formed at four corners of the insulating plate (4) and the battery support (2), and the insulating plate (4) is fixed on the battery support (2) through bolts.

6. The cylindrical battery module according to claim 2, wherein the battery support (2) between two adjacent rows of the support grooves (21) is provided with a mounting hole (26) for the connecting rod (7) to pass through, the bottom plate (1) and the cover plate (6) opposite to the mounting hole (26) are respectively provided with a connecting hole, the connecting rod (7) passes through the connecting hole and the mounting hole (26), and two ends of the connecting rod (7) are respectively screwed and fixed through nuts.

7. The cylindrical battery module according to claim 6, wherein the connecting rod (7) is a screw, a press-riveting nut (11) is arranged at the connecting hole of the bottom plate (1), and the cylindrical battery module is fixed by screwing the screw with the press-riveting nut (11).

8. The cylindrical battery module as claimed in claim 6, wherein the support grooves (21) on both sides of the mounting hole (26) are respectively provided with an elastic opening and closing opening (23), the elastic opening and closing opening (23) is V-shaped, a protruding part of the elastic opening and closing opening (23) is arranged towards the adjacent support groove (21), and the connecting rod (7) is in contact with the protruding part, so that the elastic opening and closing opening (23) tightly presses the side wall of the cylindrical battery (5).

9. The cylindrical battery module as claimed in claim 1, wherein the base plate (1) and the cover plate (6) are provided with square holes arranged in an array.