CN216133894U

CN216133894U - Tool for grouping lithium batteries

Info

Publication number: CN216133894U
Application number: CN202122732339.9U
Authority: CN
Inventors: 陈东
Original assignee: Hefei Pengpai Energy Technology Co ltd
Current assignee: Hefei Pengpai Energy Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-25
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a tool for grouping lithium batteries, which comprises a lower support frame, wherein a rectangular groove is formed in the middle of the upper end of the lower support frame, a lower welding sheet is arranged in the rectangular groove, four mounting holes are formed in four corners of the upper end of the lower support frame, supporting columns are fixed in the mounting holes, a middle support frame is arranged in the middle of each supporting column, a grouping fixing sheet is arranged on each middle support frame, an upper support frame is arranged at the upper end of each supporting column, the upper support frame is movably connected with the supporting columns through nuts, and an upper welding sheet is arranged at the lower ends of the upper support frames through supporting components. According to the utility model, the upper support frame, the middle support frame and the lower support frame form a frame structure, so that the lithium batteries can be arranged in a fixed sequence, grouping is convenient, the lithium batteries are fixed by the grouping fixing pieces, and the blocking plates are arranged, so that the grouping efficiency is high and the insulativity is good.

Description

Tool for grouping lithium batteries

Technical Field

The utility model relates to the technical field of battery grouping, in particular to a tool for grouping lithium batteries.

Background

The battery pack for the electric vehicle is formed by connecting a plurality of single batteries or super capacitors in series and parallel to form a module according to the load requirement of the electric vehicle, and then connecting a plurality of modules in series and parallel to form a battery pack with certain voltage and capacity.

Chinese patent publication No. CN109994673A discloses a battery grouping device, which comprises a frame, a top rotating shaft, a top plate, a fixing plate, screws, a bottom rotating shaft and a detection circuit board, wherein the detection circuit board is installed inside a box body and used for detecting the voltage and temperature of batteries. The utility model adopts the detachable frame structure, and a single battery can be directly formed into the power battery pack after being placed into the detachable frame structure, thereby avoiding the complex wiring work among the battery monomers, and meanwhile, the detection circuit arranged in the box body can monitor the state of the battery in real time, ensuring the normal use of the battery pack and avoiding the overcharge and over-discharge of the battery pack. The above prior art solutions have the following drawbacks: in the prior art, the battery pack is not supported by a uniform bracket, the connection between the batteries is disordered and crossed, the production and installation processes are extremely complex, and the working efficiency is seriously influenced; the insulating properties of the module are not high, safety problems easily occur, and further improvement thereof is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tool for grouping lithium batteries, which has the advantages of convenient structure stability, convenient battery grouping and good insulativity, and solves the problems of low grouping efficiency and poor insulativity in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a tool for grouping lithium batteries comprises a lower support frame, wherein a rectangular groove is formed in the middle of the upper end of the lower support frame, lower welding sheets are arranged in the rectangular groove, four mounting holes are formed in four corners of the upper end of the lower support frame, supporting columns are fixed in the mounting holes, a middle support frame is arranged in the middle of each supporting column, a grouping fixing sheet is arranged on the middle support frame, an upper support frame is arranged at the upper end of each supporting column and movably connected with the corresponding supporting column through nuts, and an upper welding sheet is arranged at the lower end of the upper support frame through a support assembly;

the supporting component comprises four supporting blocks, the supporting blocks are installed at four corners of the lower end of the upper supporting frame, circular holes are formed in the side faces of the supporting blocks, springs are installed in the circular holes, telescopic plates are fixed to the front ends of the springs, and the upper welding pieces are installed between the telescopic plates and the upper supporting frame.

Preferably, the lower support frame is rectangular, a boss is arranged in the middle of the upper end of the lower support frame, a rectangular groove is formed in the upper end of the boss, a plurality of uniformly distributed through holes are formed in the rectangular groove, and a cushion pad is arranged at the upper end of each through hole.

Preferably, four mounting holes are formed in four corners of the upper end of the middle support frame and are fixedly connected with the support column through the mounting holes, a rectangular opening is formed in the middle of the middle support frame, and four protruding rectangular blocks are arranged on the inner side of the rectangular opening.

Preferably, four rectangular clamping grooves are formed in the outer sides of the grouped fixing pieces, and the positions of the four rectangular clamping grooves correspond to the four protruding rectangular blocks on the middle support frame one to one.

Preferably, the stationary blade includes fixed plate, guard plate and baffler in groups, the fixed plate passes through the rectangle draw-in groove and installs on well support frame, be equipped with a plurality of evenly distributed's circular through-hole on the fixed plate, and each is listed as and installs the baffler between the circular through-hole, the guard plate is installed to fixed plate both sides face.

Preferably, the upper supporting frame is rectangular, a rectangular groove is formed in the middle of the lower end of the upper supporting frame, a plurality of uniformly distributed through holes are formed in the rectangular groove, a buffering cushion is arranged at the lower end of each through hole, and an upper welding piece is installed at the lower end of each buffering cushion.

Compared with the prior art, the utility model has the beneficial effects that: the tool for grouping the lithium batteries is convenient for grouping, simple in structure, convenient for separating the batteries after grouping and good in insulativity;

(1) the lower support frame, the upper support frame, the middle support frame and the support column form a stable three-layer structure, so that the lithium batteries can be sequentially arranged in the tool, the structure is simple, the operation is convenient, the upper support frame is arranged on the support column through nuts, the upper support frame can be moved downwards through screwing the nuts, the purpose of compacting the battery pack is achieved, round through holes which are uniformly distributed are formed in the upper support frame and the lower support frame, after the lithium batteries are sequentially fixed, the lower welding sheet and the upper welding sheet can be welded to the grouped battery pack through a welding device, the structure of the battery pack is stable, and the battery damage caused by the conditions of shaking, displacement and the like can be avoided;

(2) through set up the blotter on last support frame and bottom suspension fagging, can avoid crushing the battery when pressing from both sides tight lithium cell, the security is good, in well support frame, be provided with stationary blade in groups, stationary blade in groups includes the fixed plate, guard plate and baffler, the fixed plate passes through the rectangle draw-in groove and installs on well support frame, accomplish the rear and conveniently take off the group battery as organizing, be equipped with a plurality of evenly distributed's circular through-hole on the fixed plate, can arrange the lithium cell in order, and install the baffler between each circular through-hole, insulating nature is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a cross-sectional view of the lower support frame of the present invention;

FIG. 3 is a cross-sectional view of the support assembly of the present invention;

FIG. 4 is a schematic view of the structure of the lower support frame of the present invention;

FIG. 5 is a schematic view of the fastening sheet assembly of the present invention;

fig. 6 is a schematic view of a middle supporting frame structure of the present invention.

The reference numerals in the figures illustrate: 1. a lower support frame; 2. a cushion pad; 3. a lower welding sheet; 4. a pillar; 5. a middle support frame; 6. a group of fixing sheets; 61. a fixing plate; 62. a protection plate; 63. a barrier plate; 7. an upper support frame; 71. a support assembly; 711. a support block; 712. a spring; 713. a retractable plate; 8. welding a sheet; 9. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a tool for grouping lithium batteries comprises a lower support frame 1, wherein a rectangular groove is formed in the middle of the upper end of the lower support frame 1, a lower welding sheet 3 is arranged in the rectangular groove, four mounting holes are formed in four corners of the upper end of the lower support frame 1, supporting columns 4 are fixed in the mounting holes, a middle support frame 5 is arranged in the middle of each supporting column 4, a group fixing sheet 6 is arranged on each middle support frame 5, an upper support frame 7 is arranged at the upper end of each supporting column 4, and each upper support frame 7 is movably connected with the corresponding supporting column 4 through nuts 9;

the lower support frame 1 is rectangular, a boss is arranged in the middle of the upper end of the lower support frame, a rectangular groove is formed in the upper end of the boss, a plurality of uniformly distributed through holes are formed in the rectangular groove, and a cushion pad 2 is arranged at the upper end of each through hole;

four corners of the upper end of the middle support frame 5 are provided with four mounting holes, the four mounting holes are fixedly connected with the support column 4 through the mounting holes, the middle part of the middle support frame 5 is provided with a rectangular opening, and the inner side of the rectangular opening is provided with four protruded rectangular blocks;

the group fixing pieces 6 are provided with four rectangular clamping grooves at the outer sides, the positions of the four rectangular clamping grooves correspond to four protruding rectangular blocks on the middle support frame 5 one by one, each group fixing piece 6 comprises a fixing plate 61, a protection plate 62 and a blocking plate 63, the fixing plate 61 is installed on the middle support frame 5 through the rectangular clamping grooves, the fixing plate 61 is provided with a plurality of uniformly distributed circular through holes, the blocking plate 63 is installed between each row of circular through holes, and the protection plates 62 are installed on the two side faces of the fixing plate 61;

the upper support frame 7 is rectangular, a rectangular groove is formed in the middle of the lower end of the upper support frame, a plurality of through holes which are uniformly distributed are formed in the rectangular groove, a cushion pad 2 is arranged at the lower end of each through hole, and an upper welding sheet 8 is arranged at the lower end of each cushion pad 2;

specifically, as shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, in use, after the lower welding sheet 3 is mounted on the lower support frame 1, the group of fixing sheets 6 are placed on the middle support frame 5, the lithium batteries to be grouped are sequentially placed in the circular holes formed in the group of fixing sheets 6, finally, the upper support frame 7 provided with the upper welding sheet 8 is mounted on the support 4 and is screwed down by screwing the nut 9, so that the lithium battery pack is firmly fixed, after the group is completed, the upper welding sheet 8 and the lower welding sheet 3 can be welded with the lithium batteries by using a welding device, the purpose of grouping is achieved, finally, the nut 9 is unscrewed, the upper support frame 7 is taken down, and the grouped batteries are taken down, so that one-time grouping operation is completed;

specifically, as shown in fig. 1 and 4, a boss is arranged in the middle of the upper end of the lower support frame 1, a rectangular groove is formed in the upper end of the boss, the side wall of the boss protrusion can support the lithium battery, the lithium battery is prevented from shaking during installation, a plurality of uniformly distributed through holes are formed in the rectangular groove, the lower welding sheet 3 can be welded through the through holes, the operation is simple and convenient, and the cushion pads 2 can prevent the batteries from being extruded and deformed during grouping;

specifically, as shown in fig. 1 and 6, a rectangular opening is formed in the middle of the middle support frame 5, and four protruding rectangular blocks are arranged on the inner side of the rectangular opening and can be fixedly connected with the rectangular grooves on the group of fixing pieces 6, so that the group of fixing pieces 6 can be conveniently mounted and dismounted, and the flexibility is good;

specifically, as shown in fig. 1 and 5, the blocking plate 63 is arranged on the group fixing plate 6, so that the battery packs connected in series can be separated, the insulation performance is good, the safety of the battery packs is improved, the protection sheets 62 on the two sides of the fixing plate 61 wrap the grouped battery packs to form a protection layer, the damage of the battery packs due to collision is avoided, and the safety is good;

the lower end of the upper support frame 7 is provided with an upper welding sheet 8 through a support assembly 71;

the supporting assembly 71 comprises four supporting blocks 711, the supporting blocks 711 are mounted at four corners of the lower end of the upper supporting frame 7, circular holes are formed in the side faces of the supporting blocks 711, springs 712 are mounted in the circular holes, telescopic plates 713 are fixed at the front ends of the springs 712, and the upper welding sheets 8 are mounted between the telescopic plates 713 and the upper supporting frame 7;

specifically, as shown in fig. 1 and 3, when in use, the upper welding sheet 8 is fixed on the upper support frame 7 through the support assembly 71, so that the disassembly is convenient and the flexibility is good;

specifically, as shown in fig. 1 and 3, when in use, the expansion plate 713 is pressed into the circular hole, the upper welding piece 8 is installed, and after the expansion plate 713 is released, the expansion plate 713 is pushed back by the spring 712 to fix the upper welding piece 8;

the working principle is as follows: when the combined type lithium battery pack assembling device is used, the lower welding sheets 3 are installed on the lower support frame 1, the combined fixing sheets 6 are placed on the middle support frame 5, lithium batteries to be combined are sequentially placed in the circular holes formed in the combined fixing sheets 6, finally the upper support frame 7 provided with the upper welding sheets 8 is installed on the support columns 4 and is screwed down by screwing the nuts 9, so that the lithium battery pack is firmly fixed, after the combination is completed, the upper welding sheets 8 and the lower welding sheets 3 can be welded with the lithium battery pack by using a welding device, the purpose of combining is achieved, finally the nuts 9 are unscrewed, the upper support frame 7 is taken down, and the combined battery pack is taken down, so that one-time combination operation is completed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a frock that lithium cell was used in groups, includes lower carriage (1), its characterized in that: the middle part of the upper end of the lower support frame (1) is provided with a rectangular groove, a lower welding sheet (3) is arranged in the rectangular groove, four mounting holes are formed in four corners of the upper end of the lower support frame (1), a support column (4) is fixed in each mounting hole, a middle support frame (5) is arranged in the middle of the support column (4), a group fixing sheet (6) is arranged on each middle support frame (5), an upper support frame (7) is arranged at the upper end of the support column (4), the upper support frame (7) is movably connected with the support column (4) through a nut (9), and an upper welding sheet (8) is arranged at the lower end of the upper support frame (7) through a support component (71);

the supporting assembly (71) comprises four supporting blocks (711), the supporting blocks (711) are installed at four corners of the lower end of the upper supporting frame (7), circular holes are formed in the side faces of the supporting blocks (711), springs (712) are installed in the circular holes, telescopic plates (713) are fixed to the front ends of the springs (712), and the upper welding sheets (8) are installed between the telescopic plates (713) and the upper supporting frame (7).

2. The tool for grouping lithium batteries according to claim 1, wherein: the lower support frame (1) is rectangular, a boss is arranged in the middle of the upper end of the lower support frame, a rectangular groove is formed in the upper end of the boss, a plurality of uniformly distributed through holes are formed in the rectangular groove, and a cushion pad (2) is arranged at the upper end of each through hole.

3. The tool for grouping lithium batteries according to claim 1, wherein: four mounting holes are formed in four corners of the upper end of the middle support frame (5) and fixedly connected with the support columns (4) through the mounting holes, a rectangular opening is formed in the middle of the middle support frame (5), and four protruding rectangular blocks are arranged on the inner side of the rectangular opening.

4. The tool for grouping lithium batteries according to claim 1, wherein: the outer side of the group fixing piece (6) is provided with four rectangular clamping grooves, and the positions of the four rectangular clamping grooves correspond to the four protruding rectangular blocks on the middle support frame (5) one by one.

5. The tool for grouping lithium batteries according to claim 1, wherein: stator (6) include fixed plate (61), guard plate (62) and baffler (63) in groups, fixed plate (61) are installed on well support frame (5) through the rectangle draw-in groove, be equipped with a plurality of evenly distributed's circular through-hole on fixed plate (61), and install baffler (63) between each circular through-hole of row, guard plate (62) are installed to fixed plate (61) both sides face.

6. The tool for grouping lithium batteries according to claim 1, wherein: go up support frame (7) and be the rectangle, and its lower extreme middle part is equipped with the rectangle recess, the inside through-hole that is equipped with a plurality of evenly distributed of rectangle recess, the through-hole lower extreme is provided with blotter (2), last welding piece (8) are installed to blotter (2) lower extreme.