CN219419422U

CN219419422U - Power battery

Info

Publication number: CN219419422U
Application number: CN202220508263.3U
Authority: CN
Inventors: 李艺权
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2023-07-25
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to a power battery, which comprises a battery core, wherein a negative electrode diaphragm is fixedly welded on one side of the battery core, a negative electrode collector plate is fixedly welded on the top end of the negative electrode diaphragm, a negative electrode output terminal is fixedly connected on the top end of the negative electrode collector plate, a positive electrode diaphragm is fixedly welded on the other side of the battery core, a positive electrode collector plate is fixedly welded on the top end of the positive electrode diaphragm, and a positive electrode output terminal is fixedly connected on the top end of the positive electrode collector plate.

Description

Power battery

Technical Field

The utility model relates to a power battery, and belongs to the technical field of non-cover plate batteries.

Background

The power battery is a power source for providing power for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Which is mainly distinguished from a starting battery for starting an engine of an automobile. Valve port sealed lead-acid storage batteries, open tubular lead-acid storage batteries and lithium iron phosphate storage batteries are adopted in many cases.

However, the existing power battery has a imperfect structure and certain defects:

the traditional power battery needs a process of connecting sheets and tab folding during welding, has complex working procedures during installation, and can be connected by using professional laser welding equipment; the existing power battery has weaker sealing performance, complex structure and higher cost, and is not beneficial to mass production and use.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the power battery which can effectively solve the problems that the traditional power battery provided in the background art needs a connecting sheet and tab folding process during welding, the working procedure is complicated during installation, the sealing performance of the traditional power battery is weak, the structure is complex and the cost is high.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a power battery, includes the electric core, one side fixed welding of electric core has the negative pole diaphragm, the top fixed welding of negative pole diaphragm has the negative pole current collecting plate, the top fixedly connected with negative pole output terminal of negative pole current collecting plate, the other side fixed welding of electric core has the positive pole diaphragm, the top fixed welding of positive pole diaphragm has the positive pole current collecting plate, the top fixedly connected with positive pole output terminal of positive pole current collecting plate, the top movable mounting of electric core has the parcel shell, the bottom block of parcel shell is connected with the shrouding, the top of shrouding is laminated with the bottom of electric core mutually.

Furthermore, the outer walls of the negative electrode output terminal and the positive electrode output terminal are movably sleeved with sealing rings, and the sizes of the sealing rings are consistent.

Furthermore, a first inner plastic part is movably arranged at one corner of the inner wall of the wrapping shell, and the top end of the first inner plastic part movably penetrates through the outer wall of the corresponding negative electrode output terminal.

Further, the other corner of the inner wall of the wrapping shell is movably provided with a second inner plastic part, and the top end of the second inner plastic part movably penetrates through the outer wall of the corresponding positive electrode output terminal.

Furthermore, two corners at the top end of the wrapping shell are movably connected with outer plastic parts, the top ends of the two outer plastic parts are provided with riveting pressing plates, and the bottom ends of the two riveting pressing plates are connected with the wrapping shell in a clamping mode.

Furthermore, the top ends of the negative electrode output terminal and the positive electrode output terminal are movably penetrated with the inner wall of the adjacent riveting pressing plate.

Furthermore, one side of the top end of the package shell is fixedly provided with an integrated stamping type explosion-proof valve, and the other side of the top end of the package shell is fixedly provided with a liquid injection hole.

The utility model has the technical effects and advantages that:

1. according to the utility model, the negative electrode collector plate, the negative electrode output terminal, the positive electrode collector plate and the positive electrode output terminal are matched, and the negative electrode collector plate, the negative electrode output terminal, the positive electrode collector plate and the positive electrode output terminal are welded, so that the traditional welding process of connecting sheets and tab folding is omitted, the effects of reducing spare parts, reducing internal resistance and simplifying the process are facilitated, the positive electrode terminal group and the negative electrode terminal group are beneficial to directly adopting a plug connector mode to connect a circuit in the application of a product, a special laser welding device is not required to weld the connecting circuit, and the connectivity and convenience of the product are improved.

2. According to the utility model, the function of effective blasting is achieved through the integrated stamping type explosion-proof valve arranged on the wrapping shell, and through the cooperation of the arranged wrapping shell, the first inner plastic part, the second inner plastic part, the outer plastic part and the riveting pressing plate, the inner parts can be riveted through the clamping of the wrapping shell and the sealing plate, so that the structural strength and the sealing performance of a product can be ensured, and some functions such as the insulativity of the product can be ensured, so that the effects of reliable function, simple structure and low cost are achieved, and the practicability of the device is improved to a certain extent.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic cross-sectional view of one side of the present utility model;

FIG. 5 is a schematic cross-sectional view of another embodiment of the present utility model;

FIG. 6 is a schematic view of a partial cross-sectional structure of the front face of the present utility model;

FIG. 7 is a schematic view of a partial cross-sectional structure of the back side of the present utility model;

fig. 8 is a schematic bottom view of the present utility model.

Reference numerals in the drawings: 1. a battery cell; 2. a negative electrode membrane; 3. a negative electrode collector plate; 4. a negative electrode output terminal; 5. a positive electrode membrane; 6. a positive electrode collector plate; 7. a positive electrode output terminal; 8. a seal ring; 9. a first inner plastic part; 10. a wrapping shell; 11. an integrated punching explosion-proof valve; 12. a liquid injection hole; 13. an outer plastic part; 14. riveting a pressing plate; 15. a sealing plate; 16. and a second inner plastic part.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-8, the present utility model provides a technical solution for a power battery:

embodiment one:

as shown in fig. 1 and fig. 4-8, a power battery comprises a battery core 1, wherein a negative electrode diaphragm 2 is fixedly welded on one side of the battery core 1, a negative electrode current collecting plate 3 is fixedly welded on the top end of the negative electrode diaphragm 2, a negative electrode output terminal 4 is fixedly connected on the top end of the negative electrode current collecting plate 3, a positive electrode diaphragm 5 is fixedly welded on the other side of the battery core 1, a positive electrode current collecting plate 6 is fixedly welded on the top end of the positive electrode diaphragm 5, a positive electrode output terminal 7 is fixedly connected on the top end of the positive electrode current collecting plate 6, a wrapping shell 10 is movably arranged on the top of the battery core 1, a sealing plate 15 is connected at the bottom end of the wrapping shell 10 in a clamping manner, the top end of the sealing plate 15 is attached to the bottom end of the battery core 1, and the matching of the negative electrode current collecting plate 3, the negative electrode output terminal 4, the positive electrode current collecting plate 6 and the positive electrode output terminal 7 is arranged, through carrying out the welding between negative pole collector plate 3 and negative pole output terminal 4, anodal collector plate 6 and anodal output terminal 7, can remove traditional welding from and need connection piece and book utmost point ear technology, be favorable to reducing spare and accessory parts and reduce the effect of internal resistance and simplified technology, and anodal terminal group and negative pole terminal group, be favorable to the product directly to adopt plug connector mode connecting circuit in the application, no longer need dedicated laser welding equipment welded connection circuit, connectivity and convenience of product have been improved, the equal movable sleeve of outer wall of negative pole output terminal 4 and anodal output terminal 7 is equipped with sealing washer 8, the size of a plurality of sealing washer 8 is all unanimous, the one corner movable mounting of parcel shell 10 inner wall has first interior plastic part 9, the top of first interior plastic part 9 and the outer wall activity run through of corresponding negative pole output terminal 4.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 1-3, the other corner of the inner wall of the package shell 10 is movably provided with a second inner plastic part 16, the top end of the second inner plastic part 16 movably penetrates through the outer wall of the corresponding positive electrode output terminal 7, two corners of the top end of the package shell 10 are movably connected with outer plastic parts 13, the tops of the two outer plastic parts 13 are provided with riveting pressing plates 14, the bottoms of the two riveting pressing plates 14 are connected with the package shell 10 in a clamping manner, the top ends of the negative electrode output terminal 4 and the positive electrode output terminal 7 movably penetrate through the inner wall of the adjacent riveting pressing plates 14, one side of the top end of the package shell 10 is fixedly provided with an integral stamping type explosion-proof valve 11, the other side of the top end of the package shell 10 is fixedly provided with a liquid injection hole 12, the integral stamping type explosion-proof valve 11 arranged on the package shell 10 achieves the function of effective explosion, and can be clamped with the package shell 10, the first inner plastic part 9, the second inner plastic part 16, the outer plastic part 13 and the riveting pressing plates 14 through the cooperation of the package shell 10 and 15, the internal parts can be clamped with the package shell 10 and 15, the structure strength can be guaranteed, the sealing performance can be guaranteed, the reliability can be guaranteed, the performance can be guaranteed, the device can be realized, and the device can achieve certain practical effect can be achieved, and the performance can be realized, and the reliability can achieve a certain effect, and the effect can be realized.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

The working principle of the utility model is as follows: when the device is assembled in use, the negative electrode current collecting plate 3 and the negative electrode output terminal 4 are welded, the positive electrode current collecting plate 6 and the positive electrode output terminal 7 are welded together, so that the device can be quickly assembled and used without matching with external parts, the sealing ring 8 is placed on the outer wall of the corresponding negative electrode current collecting plate 3 and the positive electrode output terminal 7 for sealing limiting and protecting, the first inner plastic part 9 is placed on the outer wall of the negative electrode output terminal 4, the first inner plastic part 9 shields the outer part of the negative electrode output terminal 4, the second inner plastic part 16 is placed on the outer wall of the corresponding positive electrode output terminal 7, the second inner plastic part 16 shields and protects the outer part of the positive electrode output terminal 7, the package shell 10 is covered on the electric core 1, the first inner plastic part 9 and the second inner plastic part 16 are extruded, the sealing ring is matched and spliced with the inner wall of the package shell 10, the outer plastic part 13 is placed on the package shell 10 for sealing limiting and protecting the top of the first inner plastic part 9 and the second inner plastic part 16, the package shell 10 is clamped with the package shell 10 through the riveting pressing plate 14, and the sealing plate 15 is clamped with the package shell 10, and the sealing plate is clamped into the bottom of the package device after the package device is convenient to assemble.

The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.

Claims

1. A power battery comprising an electric core (1), characterized in that: the battery cell comprises a battery cell (1), wherein a negative electrode diaphragm (2) is fixedly welded on one side of the battery cell (1), a negative electrode current collecting plate (3) is fixedly welded on the top end of the negative electrode diaphragm (2), a negative electrode output terminal (4) is fixedly connected on the top end of the negative electrode current collecting plate (3), a positive electrode diaphragm (5) is fixedly welded on the other side of the battery cell (1), a positive electrode current collecting plate (6) is fixedly welded on the top end of the positive electrode diaphragm (5), a positive electrode output terminal (7) is fixedly connected on the top end of the positive electrode current collecting plate (6), a wrapping shell (10) is movably mounted on the top of the battery cell (1), a sealing plate (15) is fixedly connected on the bottom end of the wrapping shell (10), sealing plates (15) are attached to the bottom end of the battery cell (1), sealing rings (8) are movably sleeved on the outer walls of the negative electrode output terminal (4) and the positive electrode output terminal (7), the sealing rings (8) are identical in size, a first inner plastic part (9) is movably mounted on one corner of the inner wall of the wrapping shell (10), a second inner plastic part (16) corresponds to the first inner wall (16) and the second inner wall (16) and corresponds to the first inner wall (16) and the second inner wall (16) of the first corner (16), two corners at the top end of the package shell (10) are movably connected with outer plastic parts (13), the top ends of the two outer plastic parts (13) are provided with riveting pressing plates (14), the bottom ends of the two riveting pressing plates (14) are connected with the package shell (10) in a clamping mode, and the top ends of the negative electrode output terminal (4) and the positive electrode output terminal (7) are movably penetrated through with the inner walls of the adjacent riveting pressing plates (14).

2. A power cell as claimed in claim 1, wherein: one side at the top end of the wrapping shell (10) is fixedly provided with an integrated stamping type explosion-proof valve (11), and the other side at the top end of the wrapping shell (10) is fixedly provided with a liquid injection hole (12).