CN214589095U

CN214589095U - Foreign matter invasion preventing structure of battery pack

Info

Publication number: CN214589095U
Application number: CN202120289576.XU
Authority: CN
Inventors: 戴永兵
Original assignee: Suzhou Liangming Tools Co ltd
Current assignee: Suzhou Liangming Tools Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a battery pack foreign matter invasion preventing structure, which comprises an independent base, wherein the main body of the independent base is a semi-surrounding square structure formed by surrounding a bottom rib plate and a side rib plate, the top and the front part of the semi-surrounding square structure are both open, a plurality of female plug piece installation spaces are arranged in the semi-surrounding square structure side by side through partition rib plates, female plug piece welding end via holes are arranged on the bottom rib plate of the female plug piece installation space, and the front part open part of the female plug piece installation space is used as a male plug piece via hole; the independent base is located between battery package upper cover and the battery package PCB board, is equipped with female inserted sheet in the female inserted sheet installation space, and public inserted sheet via hole is aimed at to the open end of female inserted sheet, and the welding end of female inserted sheet passes behind the female inserted sheet welding end via hole that corresponds and the female inserted sheet welding point that corresponds on the battery package PCB board welds. The utility model discloses can increase the structural strength of female inserted sheet, can prevent that outside foreign matter from invading the battery package simultaneously inside, avoid the foreign matter to switch on the female inserted sheet of adjacent battery package.

Description

Foreign matter invasion preventing structure of battery pack

Technical Field

The utility model belongs to electric tool product battery package field, concretely relates to foreign matter invasion structure is prevented to battery package.

Background

At present, in a charging type electric tool product, a battery pack of the charging type electric tool product is generally designed in a split structure, and the battery pack and a complete machine or a charger can normally work and be charged only through reliable electrical connection and physical connection. Because of the need for connection, the conventional structure must be designed with an electrical interface for connection, and a gap needs to be left on the housing for inserting a metal insert of the whole machine.

In the use process of the battery pack, the battery pack is exposed to various adverse working environments, sand, dust, sawdust, metal chips and the like are mostly present in the working environments, after the substances invade the interior of the battery pack, the metal substances can directly cause short circuit of an internal PCB circuit, the sawdust and the dust can be accumulated along with the increase of the poured amount, and the local electrical insulation strength is reduced along with the absorption of moisture in the air, so that the short circuit phenomenon is caused, the damage of the battery pack is finally caused, and the whole machine cannot be used.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a foreign matter invasion structure is prevented to battery package to avoid the foreign matter among the operational environment as far as possible to get into in the battery package.

For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a battery pack foreign matter intrusion prevention structure comprises a semi-surrounding independent base arranged in a battery pack shell, wherein the battery pack shell is formed by combining a battery pack upper cover and a battery pack bottom shell, the main body of the independent base is a semi-surrounding square structure formed by surrounding a bottom rib plate and three side rib plates, the top and the front of the semi-surrounding square structure are both open, a plurality of female plug sheet installation spaces are arranged in the semi-surrounding square structure side by side through partition rib plates, a female plug sheet welding end through hole is formed in the bottom rib plate of each female plug sheet installation space, and the front open part of each female plug sheet installation space is used as a male plug sheet through hole; independent base is located between battery package upper cover and the battery package PCB board, the up end of independent base is infinitely close the lower surface of battery package upper cover, all female inserted sheet welding end via holes of independent base bottom are all aimed at downwards female inserted sheet welding point position on the battery package PCB board, all public inserted sheet via holes on the independent base are all aimed at public inserted sheet insertion opening, every of covering on the battery package all be provided with a female inserted sheet or vacant according to the position needs of public inserted sheet in the female inserted sheet installation space, the open end orientation of female inserted sheet is aimed at public inserted sheet via hole, the welding end of female inserted sheet passes and corresponds female inserted sheet welding point position welding that corresponds on the female inserted sheet welding end via hole back and the battery package PCB board.

Furthermore, a closing rib for closing a gap between the top opening of the independent base and the lower surface of the upper cover of the battery pack is arranged on the lower surface of the upper cover of the battery pack.

Further, the female plug-in sheet is clamped in each female plug-in sheet installation space of the independent base.

Furthermore, a battery cell support used for fixing and connecting each battery cell in series and parallel is arranged in the battery pack shell, and the battery pack PCB is arranged at the top of the battery cell support.

Furthermore, the battery package PCB board passes through screw fixed mounting and is in on the electricity core support, independent base is fixed on the battery package PCB board, female inserted sheet with battery package PCB board welding back, independent base with battery package PCB board forms a whole.

Furthermore, a plurality of independent base installation upright columns used for positioning the independent base are arranged at the top of the battery cell support, and the independent base installation upright columns upwards penetrate through the battery pack PCB and then are fixedly connected with the bottom rib plate of the independent base through screws.

The utility model has the advantages that:

1. the utility model discloses an add an independent base, with the female inserted sheet of battery package pre-installation together, weld the battery again and wrap the PCB board on, can play the structural strength who increases female inserted sheet and the effect of protection, increase of service life.

2. The utility model discloses after the female inserted sheet of battery package is installed and is corresponded the position on the independent base, also cut off the gusset and separate one to formed independent space one by one, the foreign matter that can prevent accidental entering switches on the female inserted sheet of adjacent battery package.

3. The utility model discloses a closed rib has been add to battery package upper cover lower surface, puts independent base card in a relative confined space for the public inserted sheet inserted opening of battery package upper cover thoroughly separates with the inside battery package PCB board of battery package casing, prevents the invasion of outside foreign matter.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a side sectional view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a top sectional view of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.

Referring to fig. 1-3, a battery pack foreign matter intrusion prevention structure comprises a half-enclosed independent base 1 arranged in a battery pack shell, wherein the battery pack shell is formed by combining a battery pack upper cover 2 and a battery pack bottom shell 3, the main body of the independent base 1 is a half-enclosed square structure formed by enclosing a bottom rib plate 101 and three side rib plates 102, the top and the front of the half-enclosed square structure are both open, a plurality of female plug installation spaces 104 are arranged in the half-enclosed square structure in parallel through partition rib plates 103, a female plug welding end through hole 105 is arranged on the bottom rib plate of each female plug installation space 104, and the open part of the front of each female plug installation space 104 is used as a male plug through hole 106; independent base 1 is located between battery package upper cover 2 and the battery package PCB board 4, the up end of independent base 1 is infinitely close the lower surface of battery package upper cover 2, all female inserted sheet welding end via holes 105 of independent base 1 bottom are all aimed at downwards female inserted sheet welding point position on the battery package PCB board 4, all public inserted sheet via holes 106 on the independent base 1 are all aimed at public inserted sheet insert opening 5 on the battery package upper cover 2, every all be provided with a female inserted sheet 6 or vacant position according to the position needs of public inserted sheet in the female inserted sheet installation space 104, the open end orientation of female inserted sheet 6 is aimed at public inserted sheet via hole 106, the welding end of female inserted sheet 6 passes and corresponds female inserted sheet welding point position welding that corresponds on female inserted sheet welding end via hole 105 back and the battery package PCB board 4.

Furthermore, a closing rib 7 for closing a gap between the top opening of the independent base 1 and the lower surface of the battery pack upper cover 2 is arranged on the lower surface of the battery pack upper cover 2.

Further, the female insert 6 is inserted into each female insert installation space of the independent base 1.

Further, a battery cell support 9 for fixing and connecting each battery cell 8 in series and parallel is arranged in the battery pack shell, and the battery pack PCB 4 is arranged at the top of the battery cell support 9.

Further, battery package PCB board 4 passes through screw fixed mounting in on the electricity core support 9, independent base 1 is fixed on battery package PCB board 4, female inserted sheet 6 with battery package PCB board 4 welding back, independent base 1 with battery package PCB board 4 forms a whole.

Furthermore, a plurality of independent base mounting upright columns 10 used for positioning the independent base 1 are arranged at the top of the battery cell support 9, and the independent base mounting upright columns 10 penetrate the battery pack PCB 4 upwards and then are fixedly connected with bottom rib plates of the independent base 1 through screws.

The utility model discloses an add an independent base 1, with the female inserted sheet 6 pre-installation of battery package together, weld battery package PCB board 4 again on, at first can play the structural strength and the effect of protection that increase female inserted sheet, increase of service life. Secondly, after the battery pack female insertion pieces 6 are arranged on the corresponding positions of the independent base 1, a partition rib plate 103 is arranged for partitioning, so that independent spaces are formed, and foreign matters entering accidentally are prevented from conducting the adjacent battery pack female insertion pieces 6; meanwhile, the lower surface of the upper cover 2 of the battery pack is additionally provided with a closed rib 7, and the independent base 1 is clamped in a relatively closed space, so that the male insertion piece insertion opening 5 of the upper cover 2 of the battery pack is thoroughly separated from the PCB 4 of the battery pack in the battery pack shell, and the invasion of external foreign matters is prevented.

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. The utility model provides a battery package prevents foreign matter invasion structure which characterized in that: the battery pack comprises a semi-enclosed independent base (1) arranged in a battery pack shell, wherein the battery pack shell is formed by combining a battery pack upper cover (2) and a battery pack bottom shell (3), the main body of the independent base (1) is a semi-enclosed square structure formed by enclosing a bottom rib plate (101) and three side rib plates (102), the top and the front of the semi-enclosed square structure are both open, a plurality of female plug sheet installation spaces (104) are arranged in the semi-enclosed square structure side by side through partition rib plates (103), a female plug sheet welding end through hole (105) is arranged on the bottom rib plate of each female plug sheet installation space (104), and the open part of the front part of each female plug sheet installation space (104) is used as a male plug sheet through hole (106); the independent base (1) is positioned between the battery pack upper cover (2) and the battery pack PCB (4), the upper end surface of the independent base (1) is infinitely close to the lower surface of the battery pack upper cover (2), all the female insertion piece welding end through holes (105) at the bottom of the independent base (1) are downwards aligned with the female insertion piece welding points on the battery pack PCB (4), all the male insertion sheet through holes (106) on the independent base (1) are aligned with the male insertion sheet insertion opening (5) on the battery pack upper cover (2), a female insertion sheet (6) or a vacant position is arranged in each female insertion sheet installation space (104) according to the position requirement of the male insertion sheet, the open end of the female insert sheet (6) faces and is aligned with the male insert sheet through hole (106), the welding end of the female insertion piece (6) penetrates through the corresponding welding end through hole (105) and then is welded with the corresponding female insertion piece welding point on the battery pack PCB (4).

2. The structure of claim 1 for preventing intrusion of foreign matter into a battery pack, wherein: the battery pack is characterized in that a closing rib (7) used for closing a gap between the top opening of the independent base (1) and the lower surface of the battery pack upper cover (2) is arranged on the lower surface of the battery pack upper cover (2).

3. The structure of claim 1 for preventing intrusion of foreign matter into a battery pack, wherein: the female insertion pieces (6) are clamped in each female insertion piece installation space of the independent base (1).

4. The structure of claim 1 for preventing intrusion of foreign matter into a battery pack, wherein: the battery pack is characterized in that a battery cell support (9) used for fixing and connecting each battery cell (8) in series and parallel is arranged in the battery pack shell, and the battery pack PCB (4) is arranged at the top of the battery cell support (9).

5. The structure of claim 4 for preventing the intrusion of foreign matters into a battery pack, wherein: battery package PCB board (4) pass through screw fixed mounting in on electric core support (9), independent base (1) is fixed on battery package PCB board (4), female inserted sheet (6) with battery package PCB board (4) welding back, independent base (1) with battery package PCB board (4) form a whole.

6. The structure of claim 5 for preventing the intrusion of foreign matters into a battery pack, wherein: the battery cell support is characterized in that a plurality of independent base mounting upright columns (10) used for positioning the independent base (1) are arranged at the top of the battery cell support (9), and the independent base mounting upright columns (10) upwards penetrate through the battery pack PCB (4) and then are fixedly connected with bottom rib plates of the independent base (1) through screws.