CN219144415U - Positive and negative electrode connecting row of lithium battery - Google Patents

Abstract

The application discloses positive negative pole of lithium cell is connected and is arranged, belong to lithium cell accessory technical field, be used for providing an simple to operate, connect stable positive negative pole of lithium cell and connect the row, including the bridging board, the both ends of bridging board have first otic placode and second otic placode respectively, the lower surface height of first otic placode is greater than or equal to the high half of bridging board, the connecting hole that upwards extends by the lower surface has been seted up to first otic placode, the upper surface height of second otic placode is less than or equal to the high half of bridging board, the upper surface of second otic placode has the connecting pin, the connecting pin is suitable for pegging graft the cooperation with the connecting hole of the first otic placode of another connection row, the coaxial electrode hole of connecting pin has been seted up with the lower surface of second otic placode, be suitable for the electrode terminal of interlock lithium cell. The utility model discloses a but connect the structure that arranges the design concatenation for the mosaic structure department designs constraint structure, makes the combination connection of lithium cell electrode become more convenient and stable.

Description

Positive and negative electrode connecting row of lithium battery

Technical Field

The application relates to the technical field of lithium battery accessories, in particular to a lithium battery anode and cathode connecting row.

Background

The lithium battery is a commonly used battery, has high energy storage capacity and light weight, is commonly applied to equipment such as mobile phones, and is inconvenient to use because the battery is high in energy, and because the battery is large in energy, the battery cannot be used for ensuring the installation, and the output voltage or current cannot meet the use requirement when the battery is singly used, so that a plurality of battery units are required to be connected to improve the voltage or current output value.

Disclosure of Invention

The utility model aims at providing a convenient to install, connect stable lithium cell positive negative pole connection row.

In order to achieve the above purpose, the present application provides a lithium battery positive and negative electrode connection row: including the bridging board, the both ends of bridging board have first otic placode and second otic placode respectively, the lower surface height of first otic placode is greater than or equal to the half of bridging board height, the connecting hole that upwards extends by the lower surface has been seted up to first otic placode, the upper surface height of second otic placode is less than or equal to the half of bridging board height, the upper surface of second otic placode has the connecting pin, the connecting pin be suitable for with another connecting row the connecting hole grafting cooperation of first otic placode, the lower surface of second otic placode seted up with the coaxial electrode hole of connecting pin is suitable for the electrode end of interlock lithium cell to draw forth lithium cell power's electric energy.

As one preferable mode, the first lug plate is provided with a limit flange on the inner wall of the connecting hole, a limit clamping groove corresponding to the height of the limit flange is formed on the outer wall of the connecting pin, the limit flange is suitable for being matched with the limit clamping groove, and the connecting pin can be separated from the connecting hole in an effective mode, so that the connecting stability is better.

Preferably, the limit flange is annular, and the axis is collinear with the axis of the connecting hole; the limiting clamping groove is also annular, the axis is collinear with the axis of the connecting pin, and the connecting pin is inserted into the connecting hole shaft to rotate freely.

Preferably, the number of the limiting flanges is two, the number of the corresponding limiting clamping grooves is also two, the heights of the limiting clamping grooves and the limiting flanges corresponding to the vertical direction are the same, the adaptation degree is improved, and the rotation stability of the connecting pin relative to the connecting hole is improved.

Preferably, the connection hole penetrates through the upper surface of the first ear plate, and the electrode hole penetrates through the top surface of the connection pin, so that both the front side and the back side of the connection row can be installed in a direction of the main body of the lithium battery.

Preferably, the bridge plate has a load reducing groove in the center thereof penetrating the upper and lower surfaces, and an anti-slip groove in the side surface thereof, and reduces the weight by reducing the material consumption, thereby reducing the use cost.

Preferably, the first ear plate and the second ear plate are integrated with the bridge plate, and are made of aluminum-copper alloy materials, and good conductivity and corrosion resistance are achieved.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By designing a spliced structure for the connection rows and designing a constraint structure at the spliced structure, the combined connection of the lithium battery electrodes becomes more convenient and stable;

(2) The rotational freedom degree is reserved at the splicing position of the connecting rows, so that the spliced connecting rows can change directions according to actual conditions, the installation flexibility is higher, and the applicable installation layout modes are more.

Drawings

Fig. 1 is a unit perspective structure diagram of a positive and negative electrode connection row of the lithium battery;

fig. 2 is a first perspective cross-sectional view of a unit of the positive and negative electrode connection rows of the lithium battery;

fig. 3 is a second perspective cross-sectional view of a unit of the positive and negative electrode connection row of the lithium battery;

fig. 4 is a partial enlarged view of a portion of the positive and negative electrode connection rows of the lithium battery shown in fig. 3;

fig. 5 is a third perspective cross-sectional view of a unit of the positive and negative electrode connection rows of the lithium battery;

FIG. 6 is an enlarged view of part of the lithium battery at B of FIG. 5;

fig. 7 is a schematic perspective view of an in-line arrangement of the positive and negative electrode connection rows of the lithium battery;

fig. 8 is a schematic perspective view illustrating a bent arrangement of the positive and negative electrode connection rows of the lithium battery.

In the figure: 1. a bridging plate; 101. a load reducing groove; 102. an anti-skid groove; 2. a first ear plate; 3. a second ear plate; 4. a connecting pin; 401. a limit clamping groove; 5. a connection hole; 501. a limit flange; 6. electrode holes.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The positive and negative electrode connection bars of the lithium battery shown in fig. 1-8 comprise bridging plates 1 for overlapping different lithium battery units, the centers of the bridging plates 1 are provided with load reducing grooves 101 penetrating through the upper surface and the lower surface, consumable materials can be reduced, dead weight is reduced, anti-slip grooves 102 are formed in the side surfaces, on one hand, a certain positioning effect is achieved during installation, on the other hand, friction force can be increased during pressing of the connection bars, the connection bars are easier to install in place, two ends of the bridging plates 1 are respectively provided with a first lug plate 2 and a second lug plate 3, the first lug plate 2, the second lug plate 3 and the bridging plates 1 are of an integral structure, one-step molding can be performed through casting, processing and cost reduction are facilitated, and generally, the whole connection bar unit is made of aluminum-copper alloy materials, has good conductivity and inner corrosiveness, and is long in service life.

The height of the lower surface of the first ear plate 2 is more than or equal to half of the height of the bridging plate 1, a matched object is reserved in the second ear plate 2, a connecting hole 5 extending upwards from the lower surface is formed in the first ear plate 2, the connecting hole 5 penetrates through the upper surface of the first ear plate 2, the requirement of a connecting row on the installation direction during installation is not considered, an electrode hole 6 coaxial with the connecting pin 4 is formed in the lower surface of the second ear plate 3, the electrode hole 6 penetrates through the top surface of the connecting pin 4 and is suitable for being meshed with an electrode end of a lithium battery, the connecting pin 4 penetrates through the connecting hole 5, and the electrode end of the lithium battery can penetrate through the electrode hole 6 to be matched with the electrode hole 6 no matter from the top or the bottom of the electrode hole 6.

The height of the upper surface of the second ear plate 3 is less than or equal to half of the height of the bridging plate 1, and in order to reserve space for the first ear plate 3, the upper surface of the second ear plate 3 is provided with an integrated connecting pin 4, the connecting pin 4 is suitable for being in plug-in fit with a connecting hole 5 of the first ear plate 2 of another connecting row, so that the connecting rows can be mutually spliced to connect a plurality of lithium battery units, a large battery module is formed, the inner wall of the connecting hole 5 of the first ear plate 2 is provided with a limiting flange 501, the limiting flange 501 is annular, and the axis is collinear with the axis of the connecting hole 5; the outer wall of connecting pin 4 has seted up the spacing draw-in groove 401 that highly corresponds with spacing flange 501, spacing draw-in groove 401 is the annular equally, the axis is collineation with the axis of connecting pin 4, generally limit flange 501 can be provided with two, corresponding spacing draw-in groove 401 also has two, the height of spacing draw-in groove 401 that corresponds in the upper and lower direction is the same with spacing flange 501, spacing flange 501 can cooperate completely with spacing draw-in groove 401, the lower surface of first otic placode 2 and the upper surface of second otic placode 3 can laminate after the cooperation, the upper and lower surface of concatenation body can both keep comparatively smooth state.

Working principle: during installation, firstly, lithium battery units to be connected are arranged in a battery compartment in an aligned mode, and are preferably fixed in the battery compartment, then, a proper number of connecting rows are taken out according to the number and arrangement trend of positive and negative electrodes of each lithium battery, the number is even and divided into two groups with the same number, the connecting pins 4 of one connecting row are spliced, the connecting pins 4 of the other connecting row are inserted into the connecting holes 5 of the other connecting row during splicing, then, the electrode holes 6 of the connecting row are sleeved on the positive electrode or the negative electrode of the adjacent lithium battery, the positive electrode and the negative electrode of the same lithium battery unit are required to be carefully connected directly, the positive electrode and the negative electrode of different lithium battery units can be connected to form a serial structure or a parallel structure, however, after the two connecting rows at the beginning are installed, one end of one connecting row is movable, the other two ends are fixed, the connecting pins 4 at the end part are upwards in an exposed state, then, the next connecting row is continuously installed until the positive electrode or the negative electrode of all the connecting rows are buckled on the adjacent lithium battery units, the last connecting row can be a movable electric device, and the end part of the last connecting row can be movably connected, and the electric device can be connected with an electric device, and the electric device can not be connected with an electric device.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a positive negative pole connection row of lithium cell which characterized in that: including bridging board (1), the both ends of bridging board (1) have first otic placode (2) and second otic placode (3) respectively, the lower surface height of first otic placode (2) is greater than or equal to the half of bridging board (1) height, connecting hole (5) by the upper surface upwards extension are seted up to first otic placode (2), the upper surface height of second otic placode (3) is less than or equal to half of bridging board (1) height, the upper surface of second otic placode (3) has connecting pin (4), connecting pin (4) are suitable for with another connecting row connecting hole (5) grafting cooperation of first otic placode (2), electrode hole (6) coaxial with connecting pin (4) are seted up to the lower surface of second otic placode (3), are suitable for the electrode end of interlock lithium cell.

2. The lithium battery positive and negative electrode connection row according to claim 1, wherein: the first lug plate (2) is provided with a limit flange (501) on the inner wall of the connecting hole (5), a limit clamping groove (401) corresponding to the height of the limit flange (501) is formed in the outer wall of the connecting pin (4), and the limit flange (501) is suitable for being matched with the limit clamping groove (401).

3. The lithium battery positive and negative electrode connection row according to claim 2, wherein: the limit flange (501) is annular, and the axis is collinear with the axis of the connecting hole (5); the limiting clamping groove (401) is also annular, and the axis is collinear with the axis of the connecting pin (4).

4. The lithium battery positive and negative electrode connection row according to claim 3, wherein: the two limiting flanges (501) are arranged, the two corresponding limiting clamping grooves (401) are arranged, and the height of the corresponding limiting clamping grooves (401) and the height of the corresponding limiting flanges (501) in the up-down direction are the same.

5. The lithium battery positive and negative electrode connection row according to claim 4, wherein: the connecting hole (5) penetrates through the upper surface of the first ear plate (2), and the electrode hole (6) penetrates through the top surface of the connecting pin (4).

6. The lithium battery positive and negative electrode connection row according to any one of claims 1 to 5, wherein: the center of the bridging plate (1) is provided with a load reducing groove (101) penetrating through the upper surface and the lower surface, and the side surface is provided with an anti-skid groove (102).

7. The lithium battery positive and negative electrode connection row according to claim 6, wherein: the first ear plate (2) and the second ear plate (3) and the bridging plate (1) are of an integrated structure and are made of aluminum-copper alloy materials.

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