CN218849661U

CN218849661U - Porous cylinder electricity core modular fixture structure

Info

Publication number: CN218849661U
Application number: CN202222743654.6U
Authority: CN
Inventors: 柳勇; 刘俊; 陈志军; 叶国华; 曾国强; 张志平; 刘聪
Original assignee: Guangdong Greenway Technology Co Ltd
Current assignee: Guangdong Greenway Technology Co Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-04-11
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a porous cylinder electricity core modular fixture structure, include: porous anchor clamps main part, as the basic unit, be equipped with several electric core anchor clamps hole in the porous anchor clamps main part, porous anchor clamps main part both sides are equipped with symmetrical and matched with spliced pole and connecting hole, and porous anchor clamps main part both sides still are equipped with the several fixed orifices, the utility model discloses regard porous anchor clamps main part as the basic unit, through the spliced pole of locating porous anchor clamps main part both sides, connecting hole and fixed orifices realize the connection cooperation between a plurality of porous anchor clamps main parts, carry out corresponding assembly according to group battery design, constitute second grade or tertiary assembly cell, realize the group battery function, thereby can reduce and need not to develop the mould separately even, reduce mould development cost by a wide margin, and can reduce the development time of sample group battery, regard porous anchor clamps main part as the standard component to assemble the application, can provide required sample spare fast, shorten lead time by a wide margin.

Description

Porous cylinder electricity core modular fixture structure

Technical Field

The utility model relates to a cylinder electricity core PACK designs technical field, concretely relates to porous cylinder electricity core modular fixture structure.

Background

The cylindrical battery cell has mature process, low cost and stable performance, and can be produced in large scale. Therefore, in the field of battery application, a large number of cylindrical battery cells are applied. In recent years, with the development of the new energy power lithium battery industry, battery cells with various shapes, sizes and carriers appear in battery PACKs carried by electric automobiles, electric motorcycles and electric ships, but three types of cylindrical battery cells, namely 18650, 21700 and 26700, are still irreplaceable in the market. The design experience and process commonly used in the cylindrical battery cell PACK industry are generally that required battery cells are all arranged in two large plastic clamps with the same size and shape for fixing the two ends of the positive and negative electrodes of the battery cells. And the two large plastic clamps are fastened by using a screw connection mode, so that the aim of integrating a plurality of small cylindrical battery cores is fulfilled.

In the battery PACK enterprise, because the external dimensions of the battery of each client or vehicle type are different, the design of a separate plastic clamp is carried out for different clients and batteries, so the cost for developing a new mold and the time period for producing injection molding are relatively high and long, which greatly affects the competitiveness of the enterprise.

In the technical scheme in the prior art, the cell fixture is designed integrally, and particularly, products of each customer are different, so that molds with different sizes and shapes need to be developed. With the accumulation of time and the increase of customers, more and more molds are developed, and the variety of the molds is more and more complicated. The plastic parts are produced by using the die, the mass production of a single set of die is taught, and the larger the mass production is, the lower the cost distributed on a single part is. However, the different designs of the different customers lead to a large amount of different molds to be developed, each set of mold is produced by injection molding in small batches, so that the cost is high, the delivery time of each set of mold is urgent, the production and processing are tired, and the efficiency cannot be improved.

In summary, a combined design concept is needed to solve the disadvantages of high cost and long cycle of newly opening a mold in the industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a porous cylinder electricity core modular fixture structure.

The technical scheme of the utility model as follows:

a porous cylindrical cell modular fixture structure comprising:

the multi-hole fixture comprises a multi-hole fixture body as a basic unit, wherein the multi-hole fixture body is used for fixedly mounting a cylindrical battery cell and is matched with a plurality of large modules, and the large modules are arranged and combined as required by design, so that the cost of the mold is reduced, the delivery period is shortened, a plurality of battery cell fixture holes are formed in the multi-hole fixture body, symmetrical and matched connecting columns and connecting holes are formed in two sides of the multi-hole fixture body, and a plurality of fixing holes are further formed in two sides of the multi-hole fixture body.

The utility model discloses in, pass through between the porous anchor clamps main part the spliced pole and the connecting hole cooperatees, and the dislocation connection between two liang to wear to locate through the several screw fixed mounting in the fixed orifices, several porous anchor clamps main part looks equipment constitutes a second grade assembly unit.

Furthermore, two liang of cooperations between the second grade assembly unit, a plurality of cylinder electricity cores are pressed from both sides in the middle part, connect through locating between the cylinder electricity core array electricity core nickel piece in the second grade assembly unit outside, constitute a tertiary assembly unit.

Furthermore, the third-level assembly unit is located on the outer side of the battery cell nickel sheet and is further provided with insulation plates, and the insulation plates are matched in pairs and are respectively arranged on two sides of the third-level assembly unit and fixedly connected through screws.

Further, the number of the cell holder holes in the porous holder body is determined by the design and the adopted specification of the cylindrical cell.

Preferably, the cylindrical battery cell is a ternary battery cell, and based on a 48V battery design scheme, the number of the battery cell clamp holes in the porous clamp main body is 13, that is, 13 × 3.7v =48.1v, and the number of the battery cell clamp holes also determines the number of the three-stage assembly units connected in series, and is 13 strings.

Further, the number of the porous jig bodies in the secondary assembly unit is determined by the number of the porous jig bodies in parallel in the design.

Preferably, the number of the three-stage assembly units in series connection is 13, and the number of the three-stage assembly units in parallel connection is 11 based on the design scheme of 48V batteries, and the number of the porous fixture bodies in the two-stage assembly units is 11.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses regard as basic unit with porous anchor clamps main part, spliced pole through locating porous anchor clamps main part both sides, connecting hole and fixed orifices realize the connection cooperation between a plurality of porous anchor clamps main parts, carry out corresponding assembly according to group battery design, constitute second grade or tertiary assembly unit, realize the group battery function, thereby can reduce or even need not separately to develop the mould, reduce mould development cost by a wide margin, and can reduce the development time of sample group battery, assemble the application as the standard component with porous anchor clamps main part, can provide required sample spare fast, shorten lead cycle by a wide margin, and further, this structure flexibility ratio is high, application scope is wide, more can adapt to more various group battery requirements through changing the electric core anchor clamps hole number in the porous anchor clamps main part, such as 60V, 74V etc.

Drawings

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

Fig. 1 is an overall structural diagram of a porous cylindrical battery cell combined clamp structure provided by the present invention;

fig. 2 is a top view of the porous cylindrical cell combination clamp structure;

fig. 3 is a side view and a partial structural cross-sectional view of the porous cylindrical cell modular fixture structure;

FIG. 4 is a block diagram of the secondary assembly unit;

FIG. 5 is an assembly structure diagram of the three-stage assembly unit;

fig. 6 is a series-parallel connection structural diagram of the three-stage assembly unit.

The reference numerals are explained below:

1. a porous clamp body; 11. a cell clamp hole; 12. connecting columns; 13. connecting holes; 14. a fixing hole; 2. a secondary assembly unit; 3. a third-stage assembly unit; 31. a cylindrical cell; 32. a battery cell nickel sheet; 33. an insulating plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Examples

Referring to fig. 1 to fig. 3, the present embodiment provides a multi-hole cylindrical battery cell combination clamp structure, which includes:

porous anchor clamps main part 1, as basic unit for the fixed mounting cylinder electricity core to cooperate through a plurality of porous anchor clamps main part 1, the large-scale module of permutation and combination for the design needs, in order to reduce the mould cost, shorten delivery cycle, be equipped with several electricity core anchor clamps hole 11 on the porous anchor clamps main part 1, porous anchor clamps main part 1 both sides are equipped with symmetrical and matched with spliced pole 12 and connecting hole 13, and porous anchor clamps main part 1 both sides still are equipped with several fixed orifices 14.

Referring to fig. 4, in the present embodiment, the multi-hole fixture bodies 1 are matched with each other through the connection column 12 and the connection hole 13, and are connected in a staggered manner, and are fixedly installed through a plurality of screws penetrating through the fixing holes 14, and the multi-hole fixture bodies 1 are assembled to form a secondary assembly unit 2.

Referring to fig. 5, further, the second-stage assembling units 2 are matched with each other two by two, a plurality of cylindrical battery cells 31 are sandwiched in the middle of the second-stage assembling units, and the cylindrical battery cells 31 are connected with each other through a plurality of sets of battery cell nickel plates 32 disposed outside the second-stage assembling units 2, so as to form a third-stage assembling unit 3.

Furthermore, the third-level assembly unit 3 is further provided with insulation plates 33 on the outer sides of the battery cell nickel sheets 32, and the insulation plates 33 are matched with each other two by two, respectively arranged on two sides of the third-level assembly unit 3, and fixedly connected through screws.

Referring to fig. 6, further, the number of the cell holder holes 11 in the multi-hole holder body 1 is determined by the design and the specification of the cylindrical cells 31 used.

Preferably, the cylindrical cells 31 are ternary cells, and based on a 48V battery design, the number of the cell clamp holes 11 in the porous clamp body 1 is 13, that is, 13 × 3.7v =48.1v, and the number of the cell clamp holes 11 also determines the number of series connection of the three-stage assembly units 3, which is 13 strings.

Further, the number of the porous jig bodies 1 in the secondary assembly unit 2 is determined by the number of parallel connections in the design.

Preferably, the number of the three-stage assembling units 3 connected in series is 13, and based on the 48V battery design scheme, the number of the three-stage assembling units connected in parallel is 11, and the number of the porous fixture main bodies 1 in the two-stage assembling unit 2 is 11.

The working principle is as follows:

according to the design scheme of the battery and the specification of the selected cylindrical battery core 31, the porous fixture main body 1 to be used is determined, the plurality of porous fixture main bodies 1 are matched through connecting columns 12 and connecting holes 13 arranged on the porous fixture main bodies, every two porous fixture main bodies are assembled in a staggered mode, the porous fixture main bodies are fixedly connected through screws penetrating through fixing holes 14 after the assembly is completed to form a second assembly unit 2, then the cylindrical battery core 31 is clamped in the middle of the two second assembly units 2, the cylindrical battery core 31 is arranged in a battery core fixture hole 11, the cylindrical battery core 31 penetrates through a battery core fixture hole 11 through a battery core nickel sheet 32 arranged on the outer side of the second assembly unit 2 to be welded with the cylindrical battery core 31, the cylindrical battery core 31 is connected to form a third assembly unit 3, after the assembly is completed, insulating plates 33 are fixedly arranged on two sides of the third assembly unit 3, and finally the assembly is completed.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a porous cylinder electricity core modular fixture structure which characterized in that includes:

the multi-hole clamp comprises a multi-hole clamp body serving as a basic unit and used for fixedly mounting a cylindrical battery cell, the multi-hole clamp body is matched with the multi-hole clamp body in a plurality of ways and is arranged and combined into a large module according to design requirements so as to reduce the cost of a mould and shorten the delivery period, a plurality of battery cell clamp holes are formed in the multi-hole clamp body, connecting columns and connecting holes which are symmetrical and matched are formed in the two sides of the multi-hole clamp body, and a plurality of fixing holes are formed in the two sides of the multi-hole clamp body.

2. The porous cylindrical battery cell combination clamp structure of claim 1, wherein the porous clamp bodies are matched with each other through the connecting columns and the connecting holes, are connected in a staggered manner, and are fixedly mounted through a plurality of screws penetrating through the fixing holes, and the plurality of porous clamp bodies are assembled to form a secondary assembly unit.

3. The porous cylindrical battery cell combined clamp structure of claim 2, wherein the two second-stage assembling units are matched with each other in pairs, a plurality of cylindrical battery cells are clamped in the middle of the two second-stage assembling units, and the cylindrical battery cells are connected with each other through a plurality of groups of battery cell nickel sheets arranged outside the two second-stage assembling units to form a third-stage assembling unit.

4. The porous cylindrical battery cell modular fixture structure of claim 3, wherein the third-level assembly unit is further provided with insulating plates on the outer sides of the battery cell nickel sheets, and the insulating plates are matched with each other in pairs, are respectively arranged on two sides of the third-level assembly unit, and are fixedly connected through screws.

5. The multi-hole cylindrical cell modular fixture structure of claim 4, wherein the number of the cell fixture holes in the multi-hole fixture body is determined by the design and the cylindrical cell specifications used.

6. The multi-hole cylindrical battery cell combination clamp structure of claim 5, wherein the cylindrical battery cell uses a ternary battery cell, and based on a 48V battery design, the number of the battery cell clamp holes in the multi-hole clamp body is 13, that is, 13 × 3.7V =48.1V, and the number of the battery cell clamp holes also determines the number of the three-stage assembly units connected in series, which is 13 strings.

7. The porous cylindrical cell combination clamp structure of claim 6, wherein the number of the porous clamp bodies in the secondary assembly unit is determined by the number of the porous clamp bodies in parallel in the design scheme.

8. The combination fixture structure for porous cylindrical battery cells of claim 7, wherein the number of the three-stage assembly units connected in series is 13, and based on a 48V battery design, the number of the three-stage assembly units connected in parallel is 11, and the number of the porous fixture bodies in the two-stage assembly units is 11.