CN216850091U - Battery and electronic equipment - Google Patents

Abstract

The present disclosure relates to a battery and an electronic device, the battery including: the battery cell is provided with a pole piece; the shell comprises a first shell and a second shell, the first shell and the second shell can jointly enclose an accommodating cavity for accommodating the battery cell, the first shell and the second shell can be in sliding fit, and a seam between the first shell and the second shell is bonded and sealed through sealant; and the pole column is arranged on the shell and is in conductive connection with the pole piece. This battery realizes the location of pre-connection through the sliding fit of first casing and second casing, and rethread sealing glue bonds fixedly and seals, has improved assembly efficiency, need not set up sealed pad again between first casing and second casing simultaneously to practiced thrift the material, reduced the cost of battery manufacturing.

Description

Battery and electronic equipment

Technical Field

The present disclosure relates to the field of battery technologies, and in particular, to a battery and an electronic device.

Background

The metal steel shell battery is characterized in that a packaging structure outside a battery core is a metal steel shell, the conventional metal steel shell battery is mainly assembled in a bolt connection mode, sealing elements such as a sealing gasket are used for sealing, the assembly efficiency is low in actual production and manufacturing, the production progress of the battery is influenced, and meanwhile, too much gasket material is consumed, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery and electronic equipment, in order to solve current battery seal structure assembly efficiency low, influence battery production progress scheduling problem.

In order to achieve the above object, the present disclosure provides a battery including:

the battery cell is provided with a pole piece;

the shell comprises a first shell and a second shell, the first shell and the second shell can jointly enclose an accommodating cavity for accommodating the battery cell, the first shell and the second shell can be in sliding fit, and a seam between the first shell and the second shell is bonded and sealed through sealant;

and the pole column is arranged on the shell and is in conductive connection with the pole piece.

Optionally, a sliding groove with an outward opening is formed in the first housing, a sliding fit portion in sliding fit with the sliding groove is formed in the second housing, one end of the sliding groove in the extending direction of the sliding groove is an open end, and the sliding fit portion can pass through the open end and be inserted into the sliding groove.

Optionally, the first housing includes a bottom plate, two first side plates oppositely disposed along a first direction, and two second side plates oppositely disposed along a second direction perpendicular to the first direction, the first side plates and the second side plates are both connected to the bottom plate, the chute is formed at one end of each first side plate away from the bottom plate, the chute is a U-shaped groove recessed toward the inside of the first housing along the first direction, the U-shaped groove includes a groove bottom and a first groove wall and a second groove wall located at two opposite sides of the groove bottom, and the first groove wall is formed between the groove bottom and the first side plate;

the second shell is provided with two first side edges oppositely arranged along the first direction and two second side edges oppositely arranged along the second direction, and the sliding fit part is a bending part which is formed on the first side edges and bends towards the inside of the first shell;

the bending part is connected between the U-shaped grooves and the second side edges are connected between the second side plates in a sealing mode through the sealant.

Optionally, the first cell wall with through first segmental arc transitional coupling between the first curb plate, the kink is including inserting section and second segmental arc, it is used for inserting to insert the U-shaped inslot to insert the section, insert the section with pass through between the first curb plate second segmental arc transitional coupling, first segmental arc with constitute between the second segmental arc and be used for injecting sealed gluey injecting glue breach.

Optionally, the battery cell is formed into an arc shape at a corner close to the U-shaped groove so as to avoid the U-shaped groove.

Optionally, the post includes a first post and a second post, the first post is installed in the casing and electrically connected with the casing, the second post is installed in the casing and insulated with the casing, the pole piece includes a first pole piece and a second pole piece, the first pole piece is electrically connected with the casing, and the second pole piece is electrically connected with the second post.

Optionally, a mounting hole is formed in the casing, a seal insulating ring is arranged on a hole wall of the mounting hole, the second pole column penetrates through the seal insulating ring and is electrically connected with the second pole piece of the battery cell, and the outer peripheral surface of the second pole column abuts against the inner peripheral surface of the seal insulating ring.

Optionally, the outer circumferential surface of the battery cell is attached to the inner circumferential surface of the casing.

Optionally, the sealant is a light-cured sealant.

Another aspect of the present disclosure also provides an electronic device including the battery described above.

Through the technical scheme, the first shell and the second shell can be assembled conveniently through sliding fit of the first shell and the second shell, pre-connection positioning is achieved, and the sealant is conveniently filled for bonding and fixing. The contact position of the first shell and the second shell is filled with the sealant, the first shell and the second shell can be bonded and fixed, the sealing protection effect on the battery cell is guaranteed, the assembling process is simple, the assembling efficiency is improved, meanwhile, the seam of the first shell and the second shell can be sealed, electrolyte leakage can be prevented, the sealant directly plays a sealing effect, a sealing gasket does not need to be arranged between the first shell and the second shell, materials are saved, and the production and manufacturing cost of the battery is reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic perspective view of a battery according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a battery according to an embodiment of the present disclosure;

fig. 3 is a cross-sectional view of a battery of one embodiment of the present disclosure;

fig. 4 is a partial enlarged view of position a of an embodiment of the present disclosure.

Description of the reference numerals

1. First casing, 2, second casing, 3, electric core, 4, first utmost point post, 5, second utmost point post, 6, seal insulating ring, 7, mounting hole, 8, first pole piece, 9, second pole piece, 10, spout, 11, kink, 12, injecting glue breach.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally 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 disclosure can be understood in specific instances by those of ordinary skill in the art.

As shown in fig. 1-4, one aspect of the present disclosure provides a battery including: cell 3, utmost point post and casing.

The battery cell 3 has a pole piece. The casing includes first casing 1 and second casing 2, and first casing 1 and second casing 2 can enclose jointly and enclose the chamber that holds that is used for holding electric core 3, can sliding fit between first casing 1 and the second casing 2, and the seam crossing between first casing 1 and the second casing 2 is sealed through sealed gluing bonding. The pole is arranged on the shell and is in conductive connection with the pole piece.

Wherein, first casing 1 and the concatenation of second casing 2 constitute the casing, and the inner space of casing holds the chamber promptly for hold electric core 3, to encapsulate protection to electric core 3. By configuring the casing as the first casing 1 and the second casing 2, the battery cell 3 can be conveniently placed in the first casing 1 and the second casing 2 for encapsulation. And first casing 1 and second casing 2 carry out sliding fit, can make things convenient for first casing 1 and second casing 2 to carry out positioning, make things convenient for first casing 1 and second casing 2 to connect in advance, fill sealed glue through the seam crossing between first casing 1 and second casing 2 again, sealed glue can play two effects, and one of them can bond first casing 1 and second casing 2 fixedly, realizes first casing 1 and second casing 2 fixed. Secondly, the joint between the first casing 1 and the second casing 2 can be sealed, so that a structure such as a gasket is not required to be separately arranged.

Among the above-mentioned technical scheme, through the sliding fit of the first casing 1 that sets up and second casing 2, can make things convenient for first casing 1 and second casing 2 to assemble to realize the location of pre-connection, thereby conveniently fill sealed glue and bond fixedly. The contact position of the first shell 1 and the second shell 2 is filled with the sealant, the first shell 1 and the second shell 2 can be bonded and fixed, the sealing protection effect on the battery core 3 is guaranteed, the assembling process is simple, the assembling efficiency is improved, meanwhile, the seam of the first shell 1 and the second shell 2 can be sealed, electrolyte leakage can be prevented, the sealant directly plays a sealing effect, the sealing gasket does not need to be arranged between the first shell 1 and the second shell 2, the material is saved, and the production and manufacturing cost of the battery is reduced.

Alternatively, in an embodiment of the present disclosure, the first housing 1 is formed with a sliding groove 10 having an outward opening, the second housing 2 is formed with a sliding fit portion slidably fitted with the sliding groove 10, one end of the sliding groove 10 in the extending direction thereof is an open end, and the sliding fit portion can pass through the open end and be inserted into the sliding groove 10.

In the present embodiment, the slidably engaging portion is slidable in the slide groove 10, so that the second housing 2 is slidable with respect to the first housing 1. It is understood that after the battery cell 3 is placed on the first casing 1, the battery cell 3 can be covered by sliding the second casing 2.

Specifically, the one end in its extending direction of spout 10 designs for open end structure, can make sliding fit portion slide in or the roll-off spout 10 in through open end to first casing 1 and second casing 2 are separable, can conveniently lay electric core 3. It can be understood that, after the battery cell 3 is mounted, the sliding fit portion of the second casing 2 is slid into the sliding groove 10 through the open end, so that the first casing 1 and the second casing 2 are assembled. Optionally, the other end of the sliding groove 10 in the extending direction thereof may be designed as a closed end or an open end, and when the sliding groove is designed as a closed end, the sliding fit portion may be limited, so that the first casing 1 and the second casing 2 can be assembled in place only by sliding the sliding fit portion to abut against the closed end during assembly. When the sliding fit part is designed to be an open end, the sliding fit part can slide in from two ends of the sliding groove 10, the operation is convenient during assembly, and the sliding fit part can be designed according to needs.

In the present embodiment, the outward opening of the chute 10 means that the notch of the chute 10 faces away from the accommodating cavity. Specifically, the notch of spout 10 can be seted up along the direction that the horizontal direction orientation deviates from first casing 1, perhaps the notch of spout 10 can be seted up along vertical direction orientation second casing 2's direction, and sliding connection of sliding fit portion and spout 10 can all be realized to two kinds of modes, can conveniently fill sealed glue between sliding fit portion and the spout 10 simultaneously, guarantees the connection effect and sealed effect. The notch through spout 10 is outwards, can conveniently fill sealed glue between sliding fit portion and spout 10, improves bonding effect and sealed effect.

Optionally, in other embodiments of the present disclosure, a slide rail is disposed on the first housing 1, the slide rail is located on an outer side wall of the first housing 1, a slide block is disposed on the second housing 2, the slide block is connected to the slide rail, and the second housing 2 is attached to the slide rail, so that the slide rail can be filled with a sealant.

Alternatively, in the present embodiment, the first housing 1 is a rectangular housing, and the second housing 2 is a rectangular cover plate. After the sliding fit portion of the second housing 2 slides into the sliding groove 10, the second housing 2 is covered on the first housing 1. Of course, in other embodiments, the first housing 1 and the second housing 2 have the same shape and are both rectangular, and the first housing 1 and the second housing 2 are spliced into a large rectangular housing.

Optionally, in an embodiment of the present disclosure, the first housing 1 includes a bottom plate, two first side plates disposed oppositely along a first direction, and two second side plates disposed oppositely along a second direction perpendicular to the first direction, the first side plates and the second side plates are both connected to the bottom plate, a chute 10 is formed at one end of each first side plate away from the bottom plate, the chute 10 is a U-shaped groove recessed toward the inside of the first housing 1 along the first direction, the U-shaped groove includes a groove bottom and a first groove wall and a second groove wall located at two opposite sides of the groove bottom, and the first groove wall is formed between the groove bottom and the first side plate.

The second housing 2 has two first sides oppositely disposed in the first direction and two second sides oppositely disposed in the second direction, and the sliding fit portion is a bent portion 11 formed on the first side and bent toward the inside of the first housing 1.

And the bent part 11 and the U-shaped groove and the second side edge and the second side plate are bonded and sealed by sealant.

Wherein, in this embodiment, two first curb plate parallel arrangement, two second curb plate parallel arrangement, and the both ends of two first curb plates are connected with the both ends of the second curb plate that corresponds respectively, can constitute the rectangle, all connect the bottom of first curb plate and second curb plate on the side of bottom plate again, constitute whole first casing 1 for the top of first casing 1 is for opening the structure, conveniently puts into electric core 3.

The U-shaped groove extends along a first direction, so that the second housing 2 and the first housing 1 form a drawer-type sliding structure, and the second housing 2 can conveniently slide relative to the first housing 1 to open or close an open structure formed on the first housing 1. The groove bottom of the U-shaped groove and the space enclosed by the first groove wall and the second groove wall are used for the bending part 11 to slide in, so that the end part of the bending part 11 can be contacted with the groove bottom of the U-shaped groove, and the side surface of the bending part 11 can be contacted with the first groove wall and the second groove wall. The sealant is filled between the bent portion 11 and the U-shaped groove, and can connect and fix the bent portion 11 and the U-shaped groove and seal between the bent portion 11 and the U-shaped groove.

In the present embodiment, the bending portion 11 is formed on the first side edge, so that the first side edge of the second casing 2 is connected to the first side plate of the first casing 1 through the bending plate and the U-shaped groove, and then the first side plate is fixed and sealed with the sealant. And the second side edge of the second shell 2 is in contact with the second side plate of the first shell 1, and sealant is coated between the second side edge of the second shell 2 and the second side plate of the first shell 1, so that the second side edge of the second shell 2 and the second side plate of the first shell 1 are bonded and fixed through the sealant, and a contact gap between the second side edge of the second shell 2 and the second side plate of the first shell 1 is sealed.

Specifically, in the present embodiment, the bent portion 11 is bent toward the inside of the first housing 1, so that the accommodating groove is formed between the bent portion 11 and the bottom surface of the second housing 2, and it can be understood that, when the bent portion 11 slides into the U-shaped groove, the bent portion 11 is located between the first groove wall and the second groove wall, and the second groove wall is located in the accommodating groove formed between the bent portion 11 and the second housing 2, so that the mutually engaged structure can be realized, and the connection strength between the first housing 1 and the second housing 2 can be improved.

Optionally, in an embodiment of the present disclosure, the first groove wall and the first side plate are connected through a first arc-shaped section arc transition, the bending portion 11 includes an insertion section and a second arc-shaped section, the insertion section is used for inserting into the U-shaped groove, the insertion section and the first side plate are connected through a second arc-shaped section arc transition, and a glue injection notch 12 for injecting the sealant is formed between the first arc-shaped section and the second arc-shaped section.

In the present embodiment, the first arc-shaped segment can be formed by bending the first groove wall, and can be directly obtained during processing without subsequent processing. The second arc segment can also be formed by the bend 11 during bending, and can be obtained directly during machining. Through inserting back between the first cell wall and the second cell wall in U-shaped groove when the insertion section of kink 11, first segmental arc and second segmental arc link to each other, constitute "Y" type injecting glue breach 12, when carrying out the injecting glue, can be favorable to the glue to sink and collect, then slowly enter into between insertion section and the U-shaped groove, can improve bonding and sealed effect.

Optionally, in an embodiment of the present disclosure, an edge of the battery cell 3 close to the U-shaped groove is formed in an arc shape so as to avoid the U-shaped groove.

Wherein, in this embodiment, the stupefied angle department of electric core 3 sets up the arc, can make things convenient for the U-shaped groove to inwards cave to can not increase the external dimension of battery, can not influence electric core 3's battery capacity simultaneously again. Specifically, the battery cell 3 is manufactured by a winding process. Simultaneously, the arc design is carried out in the stupefied angle department of electric core 3, can also make things convenient for electric core 3 to put into in first casing 1 and the second casing 2.

Optionally, in an embodiment of the present disclosure, the pole includes a first pole 4 and a second pole 5, the first pole 4 is mounted on and electrically connected to the housing, the second pole 5 is mounted on and insulated from the housing, the pole includes a first pole piece 8 and a second pole piece 9, the first pole piece 8 is electrically connected to the housing, and the second pole piece 9 is electrically connected to the second pole 5.

In the embodiment, the first pole 4 and the second pole 5 are used for being connected with an external device to be powered, the first pole 4 and the housing form a whole, and the first pole 4 and the housing have the same electrical property. The second pole 5 is insulated from the housing, so that the second pole 5 has opposite electrical properties, and movement of electric charges is ensured. Specifically, the first pole piece 8 is connected to the housing, so that the first pole piece 8 and the housing have the same electrical property, the second pole piece 9 is connected to the second pole piece 5, and the second pole piece 9 and the second pole piece 5 have the same electrical property. The first pole piece 8 is welded and fixed with the shell, and the second pole piece 9 is welded with the second pole column 5.

Specifically, in this embodiment, the first housing 1 and the second housing 2 are made of metal, specifically made of steel, and have electrical conductivity, and the first terminal post 4 is welded on the first housing 1 or the second housing 2, and then the first housing 1 or the second housing 2 is connected with the first pole piece 8, so that the first housing 1 and the second housing 2 both have electrical properties, and thus the position of the first terminal post 4 on the first housing 1 or the second housing 2 can be changed, and can be designed at any position as required. Specifically, in the present embodiment, when the first electrode post 4 is a negative electrode and the second electrode post 5 is a positive electrode, both the first case 1 and the second case 2 have a negative polarity.

Optionally, in an embodiment of the present disclosure, a mounting hole 7 is formed in the housing, a sealing insulating ring 6 is disposed on a hole wall of the mounting hole 7, the second pole column 5 penetrates through the sealing insulating ring 6 and is electrically connected to the second pole piece 9 of the battery cell 3, and an outer peripheral surface of the second pole column 5 abuts against an inner peripheral surface of the sealing insulating ring 6.

In the present embodiment, the mounting hole 7 is used for mounting the second pole 5, the mounting hole 7 penetrates through the side wall of the housing, and the seal insulating ring 6 is fixedly connected to the hole wall of the mounting hole 7. The second pole 5 penetrates through the sealing insulating ring 6 to realize the insulating effect of the second pole 5 and the shell. The second pole column 5 can be insulated from the casing by the seal insulating ring 6, and the seal insulating ring 6 can seal a gap between the second pole column 5 and the mounting hole 7, so that the electrolyte leakage is avoided. Specifically, in the present embodiment, the mounting hole 7 may be located on the first casing 1 or the second casing 2, and the location may be set according to actual needs, and in addition, the shape of the mounting hole 7 may be set according to the cross-sectional shape of the second pole 5.

Optionally, in an embodiment of the present disclosure, an outer circumferential surface of the battery cell 3 is attached to an inner circumferential surface of the casing.

In this embodiment, the bottom surface and the side surface of the battery cell 3 are attached to the inner side wall and the lower wall of the first casing 1, and the top surface of the battery cell 3 is attached to the inner side wall of the second casing 2. Through the laminating of the outer peripheral face of electricity core 3 and the inner peripheral surface of casing, can guarantee that all spaces in the casing all are occupied by electricity core 3 to can improve battery capacity as far as.

Optionally, in an embodiment of the present disclosure, the sealant is a light-curable sealant.

In the embodiment, the photocuring sealant can be directly photocured, so that the processing and the manufacturing are very convenient, the sealant can be cured by direct illumination after the dispensing is finished, the bonding and the sealing performance are ensured, and the durability of the photocuring sealant is higher. Specifically, in the present embodiment, the photo-curable sealant is a UV glue.

Another aspect of the present disclosure also provides an electronic device including the battery as described above.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A battery, comprising:

a cell (3) having a pole piece;

the battery comprises a shell, a battery body and a battery cover, wherein the shell comprises a first shell (1) and a second shell (2), the first shell (1) and the second shell (2) can jointly enclose an accommodating cavity for accommodating the battery core (3), the first shell (1) and the second shell (2) can be in sliding fit, and a seam between the first shell (1) and the second shell (2) is bonded and sealed through sealant;

and the pole column is arranged on the shell and is in conductive connection with the pole piece.

2. The battery according to claim 1, wherein a slide groove (10) having an outward opening is formed in the first case (1), a slide-fit portion that is slidably fitted to the slide groove (10) is formed in the second case (2), and one end of the slide groove (10) in the extending direction thereof is an open end through which the slide-fit portion can be inserted into the slide groove (10).

3. The battery according to claim 2, wherein the first case (1) comprises a bottom plate, two first side plates oppositely arranged in a first direction, and two second side plates oppositely arranged in a second direction perpendicular to the first direction, the first side plates and the second side plates are both connected to the bottom plate, the chute (10) is formed on one end of each first side plate away from the bottom plate, the chute (10) is a U-shaped groove recessed toward the inside of the first case (1) in the first direction, the U-shaped groove comprises a groove bottom and a first groove wall and a second groove wall located on opposite sides of the groove bottom, and the first groove wall is formed between the groove bottom and the first side plates;

the second shell (2) is provided with two first side edges oppositely arranged along the first direction and two second side edges oppositely arranged along the second direction, and the sliding fit part is a bending part (11) which is formed on the first side edges and is bent towards the inside of the first shell (1);

the bending part (11) is connected between the U-shaped grooves and between the second side edges and the second side plates in a sealing mode through the sealant.

4. The battery according to claim 3, wherein the first groove wall is in arc-shaped transition connection with the first side plate through a first arc-shaped section, the bending portion (11) comprises an insertion section and a second arc-shaped section, the insertion section is used for being inserted into the U-shaped groove, the insertion section is in arc-shaped transition connection with the first side plate through the second arc-shaped section, and a glue injection gap (12) for injecting the sealant is formed between the first arc-shaped section and the second arc-shaped section.

5. The battery according to claim 3, characterized in that the corners of the cell (3) close to the U-shaped groove are formed into an arc shape so as to be able to avoid the U-shaped groove.

6. The battery according to claim 1, wherein the poles comprise a first pole (4) and a second pole (5), the first pole (4) is mounted to the housing and conductively connected to the housing, the second pole (5) is mounted to the housing and insulated from the housing, the poles comprise a first pole piece (8) and a second pole piece (9), the first pole piece (8) is conductively connected to the housing, and the second pole piece (9) is conductively connected to the second pole (5).

7. The battery according to claim 6, wherein the housing is provided with a mounting hole, a sealing insulating ring (6) is arranged on the wall of the mounting hole (7), the second terminal (5) penetrates through the sealing insulating ring (6) and is electrically connected with the second pole piece (9) of the battery core (3), and the outer peripheral surface of the second terminal (5) abuts against the inner peripheral surface of the sealing insulating ring (6).

8. The battery according to any of claims 1-7, characterized in that the outer circumference of the core (3) is in abutment with the inner circumference of the casing.

9. The cell defined in any one of claims 1-7, wherein the sealant is a light curable sealant.

10. An electronic device comprising a battery according to any one of claims 1-9.

Images