CN211789107U

CN211789107U - Rechargeable battery with welded shell for realizing contact between protection plate and positive electrode and negative electrode of battery

Info

Publication number: CN211789107U
Application number: CN202020546482.1U
Authority: CN
Inventors: 廖志冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-27
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a rechargeable battery of protection shield and battery positive negative pole contact is realized to welded shell, including battery connector and battery body two parts, the battery connector includes five metals epitheca, first insulation piece, anodal cap, protection shield, second insulating piece and five metals inferior valve. The positive cap welds on the higher authority of protection shield, and the bottom surface welding of protection shield has negative pole connection nickel piece and anodal connection nickel piece, and the protection shield bottom is arranged in to the second insulating piece, and the rear end that the nickel piece was connected to the negative pole is buckled and is pasted in the side border of second insulating piece tightly, and it has the notch to open on the second insulating piece, and anodal connection nickel piece is buckled in the bottom surface of second insulating piece after passing the notch. Hardware epitheca and five metals inferior valve are the circular lid structure that is equipped with the open-ended, and in the five metals inferior valve was wholly arranged in to assembled positive polar cap, protection shield, negative pole connection nickel piece, anodal connection nickel piece and second insulating piece, the welding on the five metals inferior valve of hardware epitheca cap, and laser welding is passed through with battery body upper end border to five metals inferior valve bottom.

Description

Rechargeable battery with welded shell for realizing contact between protection plate and positive electrode and negative electrode of battery

Technical Field

The utility model relates to a battery technology field especially relates to a but charge cylinder battery of positive negative pole and the contact of battery positive negative pole through welding shell realization protection shield.

Background

The battery is widely applied in daily life, particularly the rechargeable battery can be recycled, and the pollution of waste batteries to the environment is mainly reduced as much as possible by using the rechargeable battery. The existing rechargeable battery is designed with a USB type charging interface, and is matched with a charger for use. The rechargeable battery is economical, environment-friendly, sufficient in electric quantity, and suitable for electric appliances (such as electric toys, intelligent robots, unmanned planes and the like) which are high in power and used for a long time. The existing rechargeable battery which needs to be matched with a charger to be charged and used is generally not provided with a protective circuit board, the safety performance needs to be improved, and for the rechargeable battery with a USB type charging interface, the built-in protective circuit board is usually connected with the positive electrode and the negative electrode of a battery core in a spot welding mode, so that the rechargeable battery is complex in production, easy to desolder and high in reject ratio.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art not enough, provided a rechargeable battery who designs battery connector and battery body two parts and constitute, the battery connector is equipped with shell, electrode cap, protection circuit board and positive negative pole nickel piece, realizes the positive negative pole nickel piece of protection shield and the rechargeable battery of the positive negative pole contact of battery through the welding shell.

The utility model adopts the technical proposal that: the utility model provides a welding shell realizes rechargeable battery of protection shield and battery positive negative pole contact, includes battery connector and battery body two parts, and laser welding is passed through to battery connector bottom and battery body's upper end. The battery connector comprises a hardware upper shell, a first insulation sheet, an anode cap, a protection plate, a second insulation sheet and a hardware lower shell, the anode cap is welded on the protection plate, the bottom surface of the protection plate is welded with a negative electrode connecting nickel sheet and a positive electrode connecting nickel sheet, the second insulation sheet is arranged at the bottom of the protection plate, the rear end of the negative electrode connecting nickel sheet is bent and adhered to the side edge of the second insulation sheet, a notch is formed in the second insulation sheet, and the anode connecting nickel sheet is bent and adhered to the bottom surface of the second insulation sheet after passing through the notch.

Hardware upper shell and hardware inferior valve are and are equipped with the circular lid structure of open-ended, and in the hardware inferior valve was wholly arranged in to assembled positive polar cap, protection shield, negative pole connection nickel piece, anodal connection nickel piece and second insulating piece, first insulation piece middle part was equipped with the through-hole, and this through-hole is used for wearing out positive polar cap, and above the protection shield was arranged in to first insulation piece, the hardware upper shell covered the welded fastening with the hardware inferior valve each other.

Further, the negative electrode connecting nickel sheet is an L-shaped nickel sheet, and the positive electrode connecting nickel sheet is a U-shaped nickel sheet; the battery body is steel-shelled cylindrical battery, and the laser welding is passed through at the bottom opening border of battery body upper end border and five metals inferior valve, and the negative pole that the nickel piece switched on protection shield and battery body is connected to the negative pole, and anodal nickel piece butt in the positive terminal of battery body is connected to the positive pole, switches on the positive pole of protection shield and battery body.

The beneficial effects of the utility model are that simple structure has been designed, the novel chargeable cylinder battery structure of convenient production and processing, this chargeable cylinder battery is equivalent to and has built-in protection plate structure, and the connection structure of protection shield and battery body's positive negative pole has adopted the negative pole to connect the nickel piece and has welded in the battery body upper end border through the five metals inferior valve and switch on the negative pole, and anodal connection nickel piece is after battery connector overall structure assembles, the five metals inferior valve welds in the battery body upper end border, anodal bottom butt of connecting the nickel piece is in the positive terminal of battery body, the realization switches on the positive pole of protection shield and battery body. The battery connector of this scheme novel structure is unique, and convenient processing production compares in setting up the protection shield through outside wiring and prevents the battery short circuit, and this scheme is more convenient and reliable.

Drawings

Fig. 1 is an exploded view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the battery connector and the battery body in a separated manner.

Fig. 3 is a bottom perspective view of the battery connector.

Fig. 4 is a bottom perspective exploded view of the battery connector.

Fig. 5 is a perspective view of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-5, a rechargeable battery with a welded case for contacting a protection plate with the positive and negative electrodes of the battery comprises a battery connector 2 and a battery body 1, wherein the bottom of the battery connector 2 and the upper end of the battery body 1 are welded by laser. The battery connector 2 comprises a hardware upper shell 21, a first insulation sheet 22, a positive cap 23, a protection plate 24, a second insulation sheet 25 and a hardware lower shell 26, the positive cap 23 is welded on the protection plate 24, the bottom surface of the protection plate 24 is welded with a negative electrode connecting nickel sheet 241 and a positive electrode connecting nickel sheet 242, the second insulation sheet 25 is arranged at the bottom of the protection plate 24, the rear end of the negative electrode connecting nickel sheet 241 is bent and pasted on the side edge of the second insulation sheet 25, a notch 251 is formed in the second insulation sheet 25, and the positive electrode connecting nickel sheet 242 is bent and pasted on the bottom surface of the second insulation sheet 25 after penetrating through the notch 251. Five metals epitheca 21 and five metals inferior valve 26 are the circular lid structure that is equipped with the open-ended, and assembled positive cap 23, protection shield 24, negative pole connection nickel piece 241, anodal connection nickel piece 242 and second insulating piece 25 are whole arrange five metals inferior valve 26 in, and first insulation piece 22 middle part is equipped with the through-hole, and this through-hole is used for wearing out positive cap 23, and above protection shield 24 was arranged in to first insulation piece 22, five metals epitheca 21 and five metals inferior valve 26 lid each other close welded fastening.

Further, the negative electrode connecting nickel sheet 241 is an L-shaped nickel sheet, and the positive electrode connecting nickel sheet 242 is a U-shaped nickel sheet; battery body 1 is steel-shelled cylinder battery, and battery body 1 upper end border 11 passes through laser welding with the bottom opening border 261 of five metals inferior valve 26, and nickel piece 241 switches on the negative pole of protection shield 24 and battery body 1 is connected to the negative pole, and anodal nickel piece 242 butt in battery body 1's positive terminal 12 of connecting, switches on the positive pole of protection shield 24 and battery body 1.

According to the technical scheme, the connection structure of the protection plate 24 and the positive electrode and the negative electrode of the battery body 1 adopts the structure that the negative electrode is connected with the nickel sheet and is welded on the edge of the upper end of the battery body 1 through the hardware lower shell 26 to conduct the negative electrode, the positive electrode is connected with the nickel sheet 242, after the integral structure of the battery connector 2 is assembled, the hardware lower shell 26 is welded on the edge of the upper end of the battery body 1, and meanwhile, the bottom of the positive electrode connection nickel sheet 242 is abutted against the positive electrode end 12 of the battery body 1 (refer to the attached figures 3-4), so that the conduction of the.

The protection board 24 is a protection circuit board which is conventionally applied to the field of battery power supplies and controls overcharge and overdischarge and prevents short circuit of batteries, but the scheme is a connection structure for connecting the protection board 24 with the positive electrode and the negative electrode of the battery body 1, so the specific circuit aspect of the protection board 24 is not explained.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. But rather, obvious variations and modifications may be made without departing from the spirit of the invention.

Claims

1. The utility model provides a rechargeable battery that welding shell realized protection shield and battery positive negative pole contact which characterized in that: the battery comprises a battery connector (2) and a battery body (1), wherein the bottom of the battery connector (2) and the upper end of the battery body (1) are welded by laser; the battery connector (2) comprises an upper hardware shell (21), a first insulation sheet (22), an anode cap (23), a protection plate (24), a second insulation sheet (25) and a lower hardware shell (26), the anode cap (23) is welded on the protection plate (24), the bottom surface of the protection plate (24) is welded with a cathode connection nickel sheet (241) and an anode connection nickel sheet (242), the second insulation sheet (25) is arranged at the bottom of the protection plate (24), the rear end of the cathode connection nickel sheet (241) is bent and pasted on the side edge of the second insulation sheet (25), a notch (251) is formed in the second insulation sheet (25), and the anode connection nickel sheet (242) penetrates through the notch (251) and then is bent on the bottom surface of the second insulation sheet (25); hardware upper shell (21) and hardware inferior valve (26) are the circular lid structure that is equipped with the open-ended, assemble positive cap (23), protection shield (24), nickel piece (241) is connected to the negative pole, anodal nickel piece (242) and second insulating piece (25) are whole to be arranged in hardware inferior valve (26), first insulation piece (22) middle part is equipped with the through-hole, this through-hole is used for wearing out positive cap (23), protection shield (24) is arranged in above in first insulation piece (22), hardware upper shell (21) and hardware inferior valve (26) are covered each other and are closed welded fastening.

2. The rechargeable battery with the protective plate in contact with the positive electrode and the negative electrode of the battery through welding the shell as claimed in claim 1, wherein: the negative electrode connecting nickel sheet (241) is an L-shaped nickel sheet, and the positive electrode connecting nickel sheet (242) is a U-shaped nickel sheet; battery body (1) is steel-shelled cylinder battery, and battery body (1) upper end border (11) passes through laser welding with bottom opening border (261) of five metals inferior valve (26), and nickel piece (241) are connected to the negative pole and switch on the negative pole of protection shield (24) and battery body (1), and nickel piece (242) butt is connected in positive terminal (12) of battery body (1) to the positive pole, switches on the positive pole of protection shield (24) and battery body (1).