CN217903262U

CN217903262U - Integrally formed top cover integrated body

Info

Publication number: CN217903262U
Application number: CN202221861692.5U
Authority: CN
Inventors: 孙海东
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-25
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to an integrated top cover integrated body, which comprises a top cover metal sheet and a top cover plastic piece, wherein the top cover plastic piece and the top cover metal sheet form an integrated structure through injection molding, the top cover plastic piece is provided with a post insulating boss, the middle part of the post insulating boss is provided with a post through hole for a post to pass through, and the top cover metal sheet is provided with a connecting hole matched with the post insulating boss; the top cover metal sheet is embedded into the wall meat of the pole insulating boss at the matching position of the pole insulating boss and the connecting hole. The utility model discloses an injection molding process moulds the piece with top cap sheetmetal and top cap and does the integral type structure, and the piece is moulded to top cap sheetmetal and top cap is difficult for droing, connects firmly, and does not need the rubber coating process, has reduced assembly cost, and no harmful gas volatilizees the problem.

Description

Integrally formed top cover integrated body

Technical Field

The utility model relates to a power battery especially relates to an integrated into one piece fashioned top cap integrated body.

Background

The existing top cover assembly comprises a top cover plate and a top cover plastic part, wherein the top cover plate is made of metal and is usually formed by stamping or casting, and the top cover plastic part is made of plastic and is generally formed by injection molding. And after the two parts are formed, the two parts are fixed together through assembly. The assembly form can be an adhesive form and the like.

The top cover plate and the top cover plastic part are respectively formed through a die, and are assembled after production is finished, and the assembling form is adhesive and the like. Gluing requires the use of 3M tape or glue, etc., which increases costs and both glue and tape can cause VOC problems (volatile organic compounds).

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides an integrated fashioned top cap integrated body of integral type, simple structure connects firmly.

The utility model adopts the technical proposal that: the utility model provides an integrated into one piece's top cap integrated body which characterized in that: the pole post structure comprises a top cover metal sheet and a top cover plastic piece, wherein the top cover plastic piece and the top cover metal sheet form an integrated structure through injection molding, a pole post insulating boss is arranged on the top cover plastic piece, a pole post through hole for a pole post to penetrate through is formed in the middle of the pole post insulating boss, and a connecting hole matched with the pole post insulating boss is formed in the top cover metal sheet; the top cover metal sheet is embedded into the wall meat of the pole insulating boss at the matching position of the pole insulating boss and the connecting hole.

Preferably, the thickness of the top cover metal sheet is 1.5-3 mm.

Preferably, the thickness of the top cover plastic part is 2-3 mm.

Preferably, the depth of the top cover metal sheet embedded into the pole insulating boss is 5-10 mm.

Preferably, the top cover metal sheet and the top cover plastic piece are both provided with explosion-proof holes.

Preferably, the top cover metal sheet and the top cover plastic piece are both provided with liquid injection holes.

The utility model discloses the beneficial effect who gains is: the utility model discloses an injection molding process moulds the piece with top cap sheetmetal and top cap and does the integral type structure, and the piece is moulded to top cap sheetmetal and top cap is difficult for droing, connects firmly, and does not need the rubber coating process, has reduced assembly cost, and no harmful gas volatilizees the problem.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the connection of the cap metal sheet and the cap plastic member at the pole insulating boss;

FIG. 3 is a schematic view of the injection molding process of the top cover metal sheet and the top cover plastic;

wherein: 1. a top cover metal sheet; 2. a top cover plastic part; 11. connecting holes; 12 (22), explosion-proof holes; 13 (23) liquid injection holes; 21. a pole insulating boss; 211. and a pole through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the top cap integrated body of the present invention comprises a top cap metal sheet 1 and a top cap plastic member 2, wherein the top cap plastic member 2 and the top cap metal sheet 1 form an integrated structure by injection molding, the top cap plastic member 2 is provided with a post insulating boss 21, the middle part of the post insulating boss 21 is provided with a post through hole 211 for a post to pass through, and the top cap metal sheet 1 is provided with a connecting hole 11 matched with the post insulating boss 21; the top cover metal sheet 1 is embedded into the wall meat of the pole insulating boss 21 at the matching part of the pole insulating boss 21 and the connecting hole 11.

In this embodiment, the top cover metal sheet 1 is made of metal, generally aluminum, and has a thickness of 1.5 to 3mm, and is formed by stamping or casting. The top cover metal sheet 1 is provided with a connecting hole 11, an explosion-proof hole 12 and a liquid injection hole 13. The connecting hole 11 is matched with the pole insulating boss 21, the explosion-proof hole 12 is an assembly hole of the explosion-proof valve, and the liquid injection hole 13 is used for adding electrolyte.

In this embodiment, the top cover molding member 2 is made of plastic, generally PP modified material, and has a thickness of 2-3 mm, and is formed by injection molding. The top cover plastic part 2 is provided with a pole through hole 211, a pole insulation boss 21, an explosion-proof hole 22 and a liquid injection hole 23. The pole insulating boss 21 ensures that the pole and the top cover metal sheet 1 are not short-circuited.

Referring to fig. 3, during production, the top cover metal sheet 1 is placed in the module, the explosion-proof hole 12 and the liquid injection hole 13 of the top cover metal sheet 1 are used as positioning hole sites, two positioning pins are correspondingly designed on the mold, the two positioning pins can fix the position of the top cover metal sheet 1, and then injection molding is started. During injection molding, the plastic material can contact with and wrap the insertion end of the top cover metal sheet 1 in the flowing process, and in addition, the plastic material contacts with one surface of the top cover metal sheet 1 to form binding force and friction force. The insertion end of the top cover metal sheet 1 has a depth of 5-10 mm and a thickness of 1.5-3 mm.

When in injection molding, the top cover metal sheet 1 is placed into the module, then a mold runner and a sprue are opened, the non-metal part is filled, and finally the top cover integrated body is formed. One surface of the metal top cover plate 1 is designed to be in contact with plastic, plastic particles are melted at high temperature during injection molding, and the fluid fills one surface of the metal top cover plate 1 and is in close contact with the surface, because the surface of the product is uneven, the plastic particles can fill the uneven areas, and the uneven areas have great friction force after cooling, so that the plastic particles can replace gluing or other assembling forms. In addition, the high-temperature plastic material and the surface of the top cover metal sheet 1 are combined by partial chemical bonds, mainly carbon-oxygen bonds, at high temperature. In addition, the top cover metal sheet 1 is provided with an insertion end which is embedded into the top cover plastic part 2 during injection molding, so that the connection between the top cover plastic part 2 and the top cover metal sheet 1 is firmer.

Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.

The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus are not limited to the details shown. In the following description, a detailed description of related known functions or configurations will be omitted when it is determined that it unnecessarily obscures the focus of the specification and claims.

Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.

It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be of the same or different properties to each other.

In describing positional relationships, for example, when positional sequences are described as being "on.. Above", "over.. Below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and may be implemented in a variety of different configurations as would be well understood by one of ordinary skill in the art. Embodiments of the present invention may be performed independently of each other, or may be performed together in an interdependent relationship.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides an integrated into one piece's top cap integrated body which characterized in that: the pole post structure comprises a top cover metal sheet and a top cover plastic piece, wherein the top cover plastic piece and the top cover metal sheet form an integrated structure through injection molding, a pole post insulating boss is arranged on the top cover plastic piece, a pole post through hole for a pole post to penetrate through is formed in the middle of the pole post insulating boss, and a connecting hole matched with the pole post insulating boss is formed in the top cover metal sheet; the top cover metal sheet is embedded into the wall meat of the pole insulating boss at the matching position of the pole insulating boss and the connecting hole.

2. The integrally formed header integrated body of claim 1, wherein: the thickness of the top cover metal sheet is 1.5-3 mm.

3. The integrally formed header integrated body of claim 1, wherein: the thickness of the top cover plastic part is 2-3 mm.

4. The integrally formed header integrated body of claim 1, wherein: the depth of the top cover metal sheet embedded into the pole insulating boss is 5-10 mm.

5. The integrally formed header integrated body of claim 1, wherein: and the top cover metal sheet and the top cover plastic piece are both provided with explosion-proof holes.

6. The integrally formed header integrated body of claim 1, wherein: and the top cover metal sheet and the top cover plastic piece are both provided with liquid injection holes.