CN214706095U

CN214706095U - Battery package connects waterproof construction

Info

Publication number: CN214706095U
Application number: CN202120801417.3U
Authority: CN
Inventors: 林煊; 叶伟军; 杨庆宏; 邓通杭
Original assignee: Fujian Scud Power Technology Co Ltd
Current assignee: Fujian Scud Power Technology Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-12
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a waterproof structure of a battery pack joint, which comprises a battery module arranged between a face shell and a bottom shell; the face shell and the bottom shell are fixed through screw locking; the bottom shell is provided with a wire outlet for accommodating the wire harness of the battery module to enter and exit; fixed sealed terminal that is equipped with on the pencil, its characterized in that: the shape of the wire outlet is matched with that of the sealing terminal; the outlet is symmetrically provided with buckles used for tightly clamping the sealing terminal in the outlet in the direction towards the inner side of the bottom shell; the tail end of the buckle is provided with a limit stop; the same side of the buckle close to the limit stop block is provided with a bulge; the height of the protrusion is smaller than that of the limit stop. The utility model discloses a protruding and limit stop's cooperation makes to form interference fit between sealing terminal and the outlet, has improved the leakproofness between the two, conveniently fixes simultaneously. Further, glue can be effectively prevented from overflowing during glue filling, and the appearance attractiveness of the battery product is improved.

Description

Battery package connects waterproof construction

Technical Field

The utility model relates to a lithium cell technical field especially involves a battery package connects waterproof construction.

Background

Along with the popularization and application of lithium batteries, lithium batteries for electric tools and 3C products have been rapidly developed in recent years. The lithium cell range of application is wider and wider more, and the waterproof requirement of battery package is higher and higher more, and battery package and external connection place all need consider waterproofly many times, and low-cost efficient waterproof design is battery structural design's key again, and the inside of battery package is generally sealed gluey or adopt rubber seal waterproof for beating in the industry now, adopts which kind of waterproof should all use practicality, operability, low-cost for considering. In the prior art, a connecting part of a connector of a battery pack and the outside is generally waterproof in a sealing ring or gluing waterproof mode, the sealing ring is used for waterproofing, the mold opening cost and the mold cost are required for the sealing ring, the sealing ring is generally soft in material, the defect of difficult assembly is caused, and the labor cost is high; by adopting the gluing scheme, the glue has fluidity and is easy to overflow, and the appearance of the battery is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point among the above-mentioned prior art and provide a battery package connects waterproof construction that water-proof effects is good, convenient operation, the practicality is strong.

The utility model discloses a realize through following mode:

a battery pack joint waterproof structure comprises a battery module arranged between a face shell and a bottom shell; the face shell and the bottom shell are fixed through screw locking; the bottom shell is provided with a wire outlet for accommodating the wire harness of the battery module to enter and exit; fixed sealed terminal that is equipped with on the pencil, its characterized in that: the shape of the wire outlet is matched with that of the sealing terminal; the outlet is symmetrically provided with buckles used for tightly clamping the sealing terminal in the outlet in the direction towards the inner side of the bottom shell; the tail end of the buckle is provided with a limit stop; the same side of the buckle close to the limit stop block is provided with a bulge; the height of the protrusion is smaller than that of the limit stop.

Further, the distance between the two oppositely arranged buckles is equal to the distance of the sealing terminal in the direction.

Further, the distance between the two oppositely disposed protrusions is smaller than the distance of the hermetic terminal in the direction.

Furthermore, the top of the side wall of the bottom shell is provided with a glue overflow groove.

The beneficial effects of the utility model reside in that: through the cooperation of arch and limit stop make to form interference fit between sealed terminal and the outlet, improved the leakproofness between the two, conveniently fix simultaneously. Further, glue can be effectively prevented from overflowing during glue filling, and the appearance attractiveness of the battery product is improved. Meanwhile, the glue overflowing groove formed in the bottom shell can further prevent glue overflowing during glue pouring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Example (b):

as shown in fig. 1 to 3, a battery pack tab waterproofing structure includes a battery module 102 disposed between a front case 100 and a bottom case 101; the face shell 100 and the bottom shell 101 are locked and fixed through screws 103; the bottom shell 101 is provided with an outlet 104 for receiving a wiring harness 105 of the battery module 102; a sealing terminal 106 is fixedly arranged on the wiring harness 105, and the shape of the outlet 104 is matched with that of the sealing terminal 106; the outlet 104 is symmetrically provided with a buckle 107 for tightly clamping the sealing terminal 106 in the outlet 104 in the direction toward the inner side of the bottom case 101; the tail end of the buckle 107 is provided with a limit stop 108; a bulge 109 is arranged on the same side of the buckle 107 close to the limit stop 108; the height of the protrusion 109 is smaller than the height of the bump stopper 108.

In an embodiment of the present invention, the distance between the two oppositely disposed buckles 107 is equal to the distance of the sealing terminal 106 in the direction.

In an embodiment of the present invention, the distance between the two protrusions 109 disposed oppositely is smaller than the distance of the sealing terminal 106 in the direction.

In an embodiment of the present invention, the glue overflow groove 110 is disposed on the top of the sidewall of the bottom casing 101.

The screw 103 of the utility model is used to fix the face shell 100 and the bottom shell 101 of the battery pack, playing a role in fixing, the face shell 100 is the outer shell of the battery pack, can protect the internal battery module 102 from being damaged by the outside, and is provided with a screw hole; the battery module 102 is a control part and an energy supply part of the battery pack, the bottom case 101 is a shell of the battery pack and can protect the internal battery module 102 from being damaged by the outside, meanwhile, the wire outlet 104 and the buckle 107 are arranged at the wire outlet position of the battery module 102, the top of four sides of the bottom case 101 is provided with the glue overflow groove 110, and the cover 100 and the bottom case 101 are closed after glue is applied before the cover is closed.

During battery module 102 packs into drain pan 101, drain pan 101 position of being qualified for the next round of competitions is provided with two buckles 107, and it is the longitudinal symmetry, is equipped with semicircular arch 109 in the middle of the buckle, battery module 102's pencil 105 passes outlet 104, and pencil 105 has sealing terminal 106, and sealing terminal 106 impresses in drain pan 101's buckle 107, and this assembly is interference fit, and elastic deformation takes place for bottom pan 101's buckle 107 this moment, and two semicircle archs 109 press from both sides sealing terminal 106 tightly, and sealing terminal 106 is hooked with sealing terminal 108 of buckle 107, and sealing terminal 106 card is gone into in the outlet 104 of drain pan. And then the sealant is punched on the sealant overflowing grooves 110 on the periphery of the face shell, the face shell 100 is buckled, the screws 103 are locked, finally the sealant is punched on the positions of the wire outlets 104, and the assembly is finished.

The utility model discloses a cooperation of arch 109 and limit stop 108 makes to form interference fit between sealing terminal 106 and outlet 104, has improved the leakproofness between the two, conveniently fixes simultaneously. Further, glue can be effectively prevented from overflowing during glue filling, and the appearance attractiveness of the battery product is improved. Meanwhile, the glue overflow groove 110 formed in the bottom case 101 can further prevent glue overflow during glue filling.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pack joint waterproof structure includes a battery module (102) disposed between a face case (100) and a bottom case (101); the face shell (100) and the bottom shell (101) are fixed through locking screws (103); an outlet (104) for receiving a wiring harness (105) of the battery module (102) is arranged on the bottom shell (101); fixed sealed terminal (106) of being equipped with on pencil (105), its characterized in that: the shape of the outlet (104) is matched with that of the sealing terminal (106); the outlet (104) is symmetrically provided with buckles (107) used for tightly clamping the sealing terminal (106) in the outlet (104) towards the inner side direction of the bottom shell (101); the tail end of the buckle (107) is provided with a limit stop (108); a bulge (109) is arranged on the same side of the buckle (107) close to the limit stop (108); the height of the protrusion (109) is smaller than that of the limit stop (108).

2. The battery pack joint waterproof structure according to claim 1, characterized in that: the distance between the two oppositely arranged buckles (107) is equal to the distance of the sealing terminal (106) in the direction.

3. The battery pack joint waterproof structure according to claim 1, characterized in that: the distance between the two oppositely arranged protrusions (109) is smaller than the distance of the sealing terminal (106) in the direction.

4. The battery pack joint waterproof structure according to claim 1, characterized in that: and the top of the side wall of the bottom shell (101) is provided with a glue overflow groove (110).