CN201142495Y - battery connector - Google Patents

Abstract

The utility model provides a battery connector, which is used for accommodating a flat battery and electrically connecting the flat battery to a circuit board, and comprises an insulating body, a first terminal and a second terminal, wherein the first terminal and the second terminal are used for being connected with the battery in a conductive way; the first terminal and the second terminal are provided with fixing parts fixed on the insulating body, the welding part formed by extending and bending from the fixing parts is provided with a flat plate part and an inserting piece formed by extending and bending from the flat plate part, one surface of each boss is coplanar with one surface of the flat plate part, one part of the insulating body is accommodated in the opening of the circuit board, the battery connector is conveniently and stably assembled in the circuit board, the flat plate parts of the first terminal and the second terminal are attached to the circuit board, and the inserting piece is inserted in the circuit board, so that a good fixing effect is achieved.

Description

battery connector

Technical field

The utility model relates to a battery connector, in particular to an electrical connector in which contact terminals are fixed to a circuit board with a plug-in structure.

Background technique

The battery connector generally includes an insulating body for accommodating the battery, and a first terminal and a second terminal respectively connecting the positive and negative poles of the battery. Please refer to FIG. 1 which discloses a conventional battery connector. The battery connector 9 includes an insulating body 91 and a first terminal 92 and a second terminal 93 respectively connecting the positive and negative poles of a flat battery (not shown). Wherein the insulating body 91 includes a storage area 910 for accommodating the flat battery, the first terminal 92 includes a contact piece 920 elastically contacting with the side edge electrodes of the flat battery and a fixing portion 921 for fixing the first terminal 92, the two sides of the fixing portion 921 are upward Two fixed inserts 922 are formed by bending, and one end of the fixed part 921 extends backward to form a welding part 923. The second terminal 93 includes a contact piece 930 elastically contacting the electrode on the bottom surface of the flat battery and a fixed part 931 for fixing the second terminal 93. Both sides of the fixing portion 931 are bent upward to form two fixing inserts 932 , and one end of the fixing portion 931 extends backward to form a welding portion 933 .

The entire battery connector 9 is welded to the circuit board 8. Due to the small welding area between the welding parts 923, 933 and the circuit board 8, when the welding area is small, the flat battery is assembled in the receiving area 910. The connector 9 is squeezed so that it has poor electrical contact with the circuit board 8 .

In view of this, the designer of the utility model has finally created a utility model design scheme that can solve the above-mentioned disadvantages and disadvantages through long-term research and the application of theories.

Contents of the invention

The main purpose of the utility model is to provide a battery connector, which is stably connected to a circuit board by using a plug-in terminal structure, so as to avoid a battery connector with poor electrical contact caused by force during battery assembly.

In order to achieve the above purpose, the utility model can be realized through the following technical solutions: the utility model provides a battery connector, which is used to accommodate a flat battery and electrically connect it to a circuit board. The battery connector includes an insulating The main body and the first terminal and the second terminal respectively connected to the positive and negative electrodes of the flat battery. The insulating body includes a storage area for accommodating the battery. It includes a contact piece that is connected to the electrode on the side edge of the flat battery, a fixing part that fixes the first terminal to the insulating body, and a welding part that is welded to the circuit board. The contact piece is generally in the shape of an arc, and the welding is formed by extending and bending from the fixing part The first part has a flat part and is extended and bent from the flat part to form a plug-in piece. The second terminal includes a contact piece that is connected to the electrode on the bottom surface of the flat battery, a fixing part that fixes the second terminal to the insulating body, and a welding part that is welded to the circuit board. part, the welding part formed by extending and bending from the fixed part has a flat plate part and extending and bending from the flat part to form a plug-in piece, the first and second terminals are assembled in the insulating body to form a battery connector, and the two bosses have one surface and one surface One surface of the flat part is coplanar, which is convenient for fixing the whole battery connector in the circuit board. During the assembly process, firstly, a part of the insulating body is accommodated in the opening of the circuit board, and the two bosses of the insulating body fit the circuit board. On one surface, the flat plate parts of the first and second terminals are attached to the circuit board, and the plug-in piece is inserted into the circuit board, thereby achieving a good fixing effect.

Compared with the prior art, the improved features of this utility model are: the welding parts of the first and second terminals are designed as bent structures, respectively extending and bending from the flat part to form a vertical plug piece, when the battery connector is assembled on On the circuit board, the flat parts of the first and second terminals are attached to the circuit board, and the plug-in piece is inserted into the circuit board, so as to have a good fixing effect and prevent the battery from being affected by the force during the battery assembly process. The electrical contact between the connector and the circuit board.

Description of drawings

FIG. 1 is an exploded perspective view of a conventional battery connector;

Fig. 2 is the perspective view of the specific embodiment of the utility model;

Fig. 3 is the three-dimensional exploded view of the specific embodiment of the utility model;

Fig. 4 is a perspective view of an insulating body of a specific embodiment of the present invention;

Figure 5 is a perspective view of the first terminal of a specific embodiment of the present invention; and

Fig. 6 is a perspective view of the second terminal of the specific embodiment of the present invention.

9-Common battery connector, 91-Insulation body, 910-Accommodating area, 92-First terminal, 920-Contact sheet, 921-Fixed part, 922-Fixed insert, 923-Welding part, 93-Second terminal , 930-contact piece, 931-fixing part, 932-fixing insert, 933-welding part, 8-circuit board, 1-battery connector, 2-insulating body, 21-accommodating area, 211-accommodating slot, 22- Side wall, 221, 222-bump, 3-first terminal, 30-contact piece, 31-fixed part, 311-inserting piece, 32-welding part, 321-flat plate part, 33-inserting piece 4-second terminal.

Detailed ways

For the convenience of describing the implementation structure of the present utility model in detail, now in conjunction with the accompanying drawings in conjunction with the specific embodiments of the present utility model, the utility model is described in detail as follows:

Please refer to FIG. 2, which is a specific embodiment of the battery connector of the present invention. The battery connector 1 is used to accommodate a flat battery (not shown), and is electrically connected to a circuit board 5, which includes an insulating The main body 2 and the first terminal 3 and the second terminal 4 respectively connect the positive and negative poles of the battery.

2, 3 and 4, the insulating body 2 includes a battery storage area 21 and a side wall 22 surrounding the battery storage area 21. The bottom surface of the battery storage area 21 is recessed to form two opposite terminal storage grooves 211. For accommodating the first terminal 3 and the second terminal 4 respectively, the protrusions 221 and 222 for fixing the first terminal 3 and the second terminal 4 are formed extending from the outer surface of the side wall 22 of the receiving groove 211. The lower surfaces of the blocks 221, 222 are recessed to form a fixing slot 223 for fixing the first terminal 3 and the second terminal 4; the upper surface of the side wall 22 extends toward the receiving area 21 to form a plurality of stoppers 224, and these stoppers 224 are used In order to prevent the flat battery 5 from being assembled into the battery connector 1 under force and disengagement, two bosses 225 are formed on the side wall 22 surrounding the receiving area 21 close to its bottom surface.

Please refer to Figures 3 and 5, the first terminal 3 includes an arc-shaped contact piece 30 connected to the flat battery, a fixing portion 31 for fixing the first terminal 3 in the insulating body 2, and a welding part for welding the first terminal 3 to the circuit board. part 32; where the two sides of the fixed part 31 extend and bend upwards to form two fixed pins 311, the pins 311 are fixedly inserted in the slot 223 of the bump 221, wherein the welding part 32 is formed by extending and bending from one end of the fixed part 31, the welding part 32 It has a flat part 321 and extends and bends from one end of the flat part 321 to form a plug-in piece 33. The plug-in piece 33 and the flat part 321 are bent into a mutually perpendicular structure, and the flat part 321 is flatly attached to the circuit board. The plug piece 33 can be inserted into the socket 51 provided on the circuit board 5 , thereby increasing the bonding strength between the first terminal 3 and the circuit board 5 .

3 and 6, the second terminal 4 includes an elastic contact portion 40 that is in contact with the flat battery, a fixed portion 41 fixed to the insulating body 2, and a welding portion 42 welded to the circuit board 5; Both sides of the fixing part 41 of the part 42 are bent and extended to form two insertion pieces 411, and these insertion pieces 411 are plugged and fixed in the slot 223 formed by the depression at the bottom of the protrusion 222, wherein the welding part 42 is formed by extending and bending from one end of the fixing part 41, The soldering part 42 has a flat part 421 and a plug piece 43 extending and bending from one end of the flat part 421, the plug piece 43 and the flat part 421 are bent into a mutually perpendicular structure, and the flat part 421 is flatly attached to the circuit board 6, the plug piece 43 can be inserted into the socket 51 provided on the circuit board 5, which increases the bonding strength between the second terminal 4 and the circuit board 5.

When installing, insert the insertion piece 311 of the fixed part 31 of the first terminal 3 into the slot 223 formed by the depression on the bottom surface of the protrusion 221, and the arc-shaped contact piece 30 is accommodated in the receiving area 21, and then the second terminal 4 The insert piece 411 of the fixed part 41 is inserted into the slot 223 formed by the depression on the bottom surface of the protrusion 222, the part of the contact part 42 close to the fixed part 41 is accommodated in the receiving groove 211, and the part away from the fixed part 41 is obliquely accommodated in the receiving area 21 Among them, one surface of the two bosses 225 of the insulating body 2 is coplanar with one surface of the flat plate portions 321 , 421 of the first and second terminals 3 , 4 . Assembling the assembled battery connector 1 on the circuit board, one surface of the two bosses 225 of the insulating body 2 and one surface of the flat plate parts 321, 421 of the first and second terminals 3, 4 are attached to the circuit board, The plug-in pieces 33, 43 of the first and second terminals 3, 4 are inserted into the socket 51 of the circuit board 5, and then the battery connector 1 is assembled on the circuit board 5 more stably by welding, even if it is flat During the process of pressing the battery into the battery connector 1 , there will be no poor electrical contact between the battery connector 1 and the circuit board 5 due to force.

Compared with the prior art, the technical advantage of the present utility model is: the first and second terminals 3, 4 respectively extend and bend from the fixing parts 31, 41 to form welding parts 32, 42 with a flat plate part 321, 421 and a flat plate part The parts 321, 421 are extended and bent to form a plug piece 33, 43. When the battery connector 1 is assembled on the circuit board 5, the flat parts 321, 421 of the first and second terminals 3, 4 are attached to the circuit board 5. The plug-in pieces 33, 43 are inserted into the socket 51 of the circuit board 5, so as to achieve a good fixing effect, and prevent the battery connector 1 from being affected by force during the battery assembly process and affecting the battery connector 1 and the circuit board 5. electrical contact between.

In order to make those familiar with the technology truthfully understand the purpose and effect of implementing the utility model spirit of the utility model, the embodiments and accompanying drawings are only to illustrate the utility model, and do not impose any restrictions on the utility model. There may be other variant implementation modes, so anyone who is familiar with the technology and implements other styles without departing from the spirit of the utility model of the present case shall be regarded as an equivalent implementation of the claims of the present case.

Claims (3)

1. a battery connector (1), comprise insulating body (2) and respectively with battery two electrodes connect first, two-terminal (3), (4), wherein first, two-terminal (3), (4) comprise a contact site (30), (40), fixed part (31), (41) and weld part (32), (42), it is characterized in that: sidewall (22) outside of insulating body (2) has two boss (225), first, two-terminal (3), (4) respectively from fixed part (31), (41) extend the weld part (32) that is bent to form, (42) has a flat part (321), (421) reach from flat part (321), (421) extension is bent to form an insert-connecting plate (33), (43), one of boss (225) surface and flat part (321), (421) a surface co-planar; The weld part (32) of first and second terminal (3), (4), (42) have a flat part (321), (421) reach from flat part (321), the extension of (421) one ends and are bent to form an insert-connecting plate (33), (43), and this insert-connecting plate (33), (43) are bent into orthogonal structure with flat part (321), (421).

2. battery connector as claimed in claim 1 is characterized in that: the first terminal (3) connects with the lateral margin electrode of flat cell.

3. battery connector as claimed in claim 1 is characterized in that: second terminal (4) electrically contacts with a surface electrode of flat cell.

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