Battery connector

Abstract

The utility model discloses a battery connector, which comprises an insulating seat body, a plurality of signal terminals and a plurality of power terminals. The signal terminal is formed by blanking a metal sheet, and comprises a first fixing portion and a first contact arm extending forward from the first fixing portion, and a first arc-shaped contact protrusion protruding downward from the insulating seat body is provided at the front end or near the front end of the first contact arm; the power terminal is formed by stamping and bending a metal sheet, and comprises a second fixing portion and a second contact arm extending forward from the second fixing portion, and a second arc-shaped contact protrusion protruding downward from the insulating seat body is provided at the front end or near the front end of the second contact arm. A PCB male head can be assembled to the battery connector along the front-to-back direction, saving assembly space. Even if the PCB male head is assembled at an angle, the signal terminal and the power terminal top will not be deformed, which is not only conducive to the miniaturization of the electronic device on which the battery connector is installed, but also conducive to its thinning trend.

Description

Technical Field

[0001] The utility model relates to a battery connector, in particular to a battery connector for electrically connecting a battery with a circuit board of a portable electronic device. Background Art

[0002] The battery and the circuit board are generally electrically connected through a battery connector, which generally includes an insulating body and conductive terminals. Since the size and weight of portable electronic devices need to be reduced as much as possible, the battery connector must be designed to be as small and compact as possible. In the prior art, the male PCB can only be assembled from top to bottom on the battery connector, resulting in a large assembly space. If the assembly is at an angle, the top of the terminal will be deformed, which is not only not conducive to the miniaturization of electronic devices, but also not conducive to their thinning trend.

[0003] Therefore, it is necessary to design a new battery connector to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a battery connector with reduced assembly space.

[0005] To achieve the aforementioned objectives, the utility model adopts the following technical solutions: a battery connector, used for assembling with a PCB male head, comprising an insulating seat body and a plurality of signal terminals and a plurality of power terminals arranged on the insulating seat body at intervals on the left and right, the insulating seat body being provided with an upper plate surface and a lower plate surface opposite to each other in upper and lower directions, the lower plate surface being provided with a plurality of first terminal grooves and a plurality of second terminal grooves, the signal terminal being formed by blanking a metal sheet, comprising a first fixing portion, a first contact arm extending forward from the first fixing portion, and a first welding portion extending from the first fixing portion, the first contact arm being at least partially suspended in the first terminal groove, and a first arc-shaped contact protrusion protruding downward from the lower plate surface being provided at the front end or near the front end of the first contact arm; the power terminal being formed by stamping and bending a metal sheet, comprising a second fixing portion, a second contact arm extending forward from the second fixing portion, and a first welding portion extending from the second fixing portion, the second contact arm being at least partially suspended in the second terminal groove, and a second arc-shaped contact protrusion protruding downward from the lower plate surface being provided at the front end or near the front end of the second contact arm.

[0006] As a further improvement, the first contact protrusions and the second contact protrusions are arranged in a row with intervals on the left and right.

[0007] As a further improvement, the first contact protrusion is provided with a front guide surface, a rear guide surface located behind the front guide surface, and a contact convex surface connected between the front guide surface and the rear guide surface, the front guide surface and the rear guide surface are arc surfaces or inclined surfaces, and the contact convex surface is an arc surface.

[0008] As a further improvement, the second contact protrusion is an arc-shaped sheet.

[0009] As a further improvement, the signal terminals are assembled one by one upward in the first terminal grooves, and the power terminals are assembled one by one forward in the second terminal grooves.

[0010] As a further improvement, the first fixing portion is plugged and fixed upwardly to the first terminal slot, and is provided with an inserting portion extending upwardly, and a side edge of the inserting portion is provided with barbs, which interfere and fix with the inner wall of the first terminal slot.

[0011] As a further improvement, the signal terminals and the power terminals are arranged in a row with intervals on the left and right, there are three signal terminals in total, and two power terminals in total, which are arranged adjacent to each other on the left and right, wherein two signal terminals are arranged on one side of the two power terminals, and the other signal terminal is arranged on the other side of the two power terminals.

[0012] A further improvement also includes a metal shell covering the outside of the insulating seat.

[0013] As a further improvement, the upper plate surface is provided with an upper groove and a protrusion located in the upper groove, and the metal shell includes a top wall received in the upper groove, and the top wall is provided with a notch engaged with the protrusion.

[0014] A further improvement is that the insulating seat body is also provided with a rear plate surface and two side plate surfaces opposite to each other on the left and right, the rear plate surface is provided with a rear groove, the side plate surfaces are provided with side grooves, the metal shell includes a top wall, a rear end wall bent downward from the rear end of the top wall, and side end walls bent downward from the left and right ends of the top wall, the rear end wall is accommodated in the rear groove, and the side end walls are accommodated in the side groove.

[0015] The signal terminal of the battery connector of the utility model is made of blanked metal sheet, and includes a first fixing portion, a first contact arm extending forward from the first fixing portion, and a first welding portion extending from the first fixing portion, the first contact arm at least partially suspended in the first terminal slot, and the front end or near the front end of the first contact arm is provided with an arc-shaped first contact protrusion protruding downward from the lower plate surface; the power terminal is formed by stamping and bending a metal sheet, and includes a second fixing portion, a second contact arm extending forward from the second fixing portion, and a first welding portion extending from the second fixing portion, the second contact arm at least partially suspended in the second terminal slot, and the front end or near the front end of the second contact arm is provided with an arc-shaped second contact protrusion protruding downward from the lower plate surface. The structure of the signal terminal and the power terminal is designed in this way, the PCB male head can be assembled to the battery connector along the front and rear directions, saving assembly space, and even if the PCB male head is assembled at an angle, the top of the signal terminal and the power terminal will not be deformed, which is not only conducive to the miniaturization of the electronic device on which the battery connector is installed, but also conducive to its thinning trend. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1A It is a three-dimensional diagram of the battery connector of the present utility model.

[0017] Figure 1B This is a three-dimensional view of the battery connector of the present invention from another angle.

[0018] Figure 1C and Figure 1D The utility model is a cross-sectional view of the battery connector at different positions.

[0019] Figure 2 It is a three-dimensional exploded view of the battery connector of the utility model.

[0020] Figure 3A It is a three-dimensional diagram of the insulating seat body of the battery connector of the present utility model.

[0021] Figure 3B It is a three-dimensional view of the insulating seat of the battery connector of the present invention from another angle.

[0022] Figure 4A It is a three-dimensional diagram of the signal terminal of the battery connector of the present invention.

[0023] Figure 4B It is a three-dimensional view of the signal terminal of the battery connector of the present invention from another angle.

[0024] Figure 5A It is a three-dimensional diagram of the power terminal of the battery connector of the present invention.

[0025] Figure 5B It is a three-dimensional view of the power terminal of the battery connector of the present invention from another angle.

[0026] Fig. 6A It is a three-dimensional diagram of the metal shell of the battery connector of the present invention.

[0027] Figure 6B It is a three-dimensional view of the metal shell of the battery connector of the present invention from another angle. DETAILED DESCRIPTION

[0028] See also Figures 1A to 2 As shown, the utility model discloses a battery connector 100, which is used for assembly with a PCB male head (not shown), and includes an insulating seat 10, a plurality of signal terminals 20, a plurality of power terminals 30, and a metal shell 40 covering the outside of the insulating seat 10. The signal terminals 20 and the power terminals 30 are arranged in a row at intervals from left to right, with a total of three signal terminals 20 and a total of two power terminals 30, which are arranged adjacent to each other from left to right, wherein two signal terminals 20 are arranged on one side of the two power terminals 30, and another signal terminal 20 is arranged on the other side of the two power terminals 30.

[0029] See also Figure 3A and Figure 3B As shown, the insulating seat body 10 is set as a flat plate structure, which is provided with an upper plate surface 11, a lower plate surface 12, a front plate surface 13, a rear plate surface 14 and two side plates 15 opposite to each other. The upper plate surface 11 and the lower plate surface 12 are opposite to each other, and the upper plate surface 11 is provided with an upper groove 111 and a plurality of protrusions 112 located in the upper groove 111. The rear plate surface 14 is provided with a rear groove 141, and each side plate surface 15 is provided with a side groove 151.

[0030] The lower panel 12 is provided with a plurality of first terminal grooves 121, a plurality of second terminal grooves 122 and a plurality of positioning posts 123. The first terminal grooves 121 and the second terminal grooves 122 are arranged at intervals on the left and right and penetrate the rear panel 14 backward. The signal terminals 20 are assembled upwardly in the first terminal grooves 121 one by one, and the power terminals 30 are assembled forwardly in the second terminal grooves 122 one by one.

[0031] Please combine Figure 4A and Figure 4BAs shown, the signal terminal 20 is formed by cutting a metal sheet, and includes a first fixing portion 21, a first contact arm 22 extending horizontally forward from the first fixing portion 21, and a first welding portion 23 extending downward from the first fixing portion 21. The first fixing portion 21 is plugged and fixed upward in the first terminal groove 121, and is provided with an upwardly extending plug-in portion 211. The side edge of the plug-in portion 211 is provided with barbs for interfering and fixing with the inner wall of the first terminal groove 121. The first contact arm 22 is at least partially suspended in the first terminal groove 121 and can swing elastically up and down. The first contact arm 22 has an arc-shaped first contact protrusion 25 protruding downward from the first terminal groove 121 and the lower plate surface 12 at the front end or near the front end. The first contact protrusion 25 has a front guide surface 251, a rear guide surface 252 located behind the front guide surface 251, and a contact protrusion 253 connected between the front guide surface 251 and the rear guide surface 252. The front guide surface 251 and the rear guide surface 252 are arc surfaces or inclined surfaces, and the contact protrusion 253 is an arc surface. With the design of the first contact protrusion 25, the PCB male connector can be assembled to the battery connector 100 along the front and rear directions, saving assembly space. Even if the PCB male connector is assembled at an angle, the top of the signal terminal 20 will not be deformed, which is not only conducive to the miniaturization of the electronic device on which the battery connector 100 is installed, but also conducive to its thinning trend. The first welding portion 23 protrudes downward from the insulating seat 10 to be welded on the mother circuit board.

[0032] The power terminal 30 is formed by stamping and bending a metal sheet, and includes a second fixing portion 31, a second contact arm 32 extending forward from the second fixing portion 31, and a second welding portion 33 extending downwardly by bending from the rear end of the second fixing portion 31. The second fixing portion 31 and the second contact arm 32 are assembled forward in the second terminal groove 122. The side edge of the second fixing portion 31 is provided with a barb, which interferes with the inner wall of the second terminal groove 122 and is fixed. Each power terminal 30 is provided with two second contact arms 32 spaced apart from each other. A second contact protrusion 35 protruding downwardly from the lower plate surface 12 is provided at the front end or near the front end of each second contact arm 32. The first contact protrusion 25 and the second contact protrusion 35 are arranged in a row at intervals from left to right. The second contact protrusion 35 is an arc-shaped sheet body with an arc surface facing forward and backward. The PCB male head can be assembled to the battery connector 100 along the front and rear directions to save assembly space. Even if the PCB male head is assembled at an angle, the top of the power terminal 30 will not be deformed, which is not only conducive to the miniaturization of the electronic device on which the battery connector 100 is installed, but also conducive to its thinning trend. The second soldering portion 33 protrudes downward from the insulating base 10 for soldering to the mother circuit board.

[0033] Please combine Fig. 6A and Figure 6BAs shown, the metal shell 40 includes a top wall 41, a rear end wall 44 extending downwardly from the rear of the top wall 41, and two side end walls 45 extending downwardly from the left and right ends of the top wall 41. The top wall 41 is provided with a notch 412, and the top wall 41 is received in the upper groove 111 of the insulating seat body 10. The notch 412 and the protrusion 112 are embedded together. The rear end wall 44 is received in the rear groove 141 of the insulating seat body 10, and the side end wall 45 is received in the side groove 151 of the insulating seat body 10. With this design, the metal shell 40 does not increase the size of the insulating seat body 10. Each side end wall 45 is provided with a welding foot 453 extending downwardly for mounting on the mother circuit board.

[0034] Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. A battery connector for assembling with a PCB male connector, comprising an insulating base and a plurality of signal terminals and a plurality of power terminals arranged on the insulating base at intervals on the left and right sides, wherein the insulating base is provided with an upper plate surface and a lower plate surface which are opposite to each other, and the lower plate surface is provided with a plurality of first terminal grooves and a plurality of second terminal grooves, characterized in that: The signal terminal is formed by blanking a metal sheet, and comprises a first fixing portion, a first contact arm extending forward from the first fixing portion, and a first welding portion extending from the first fixing portion, the first contact arm is at least partially suspended in the first terminal slot, and a first arc-shaped contact protrusion protruding downward from the lower plate surface is provided at the front end or near the front end of the first contact arm; the power terminal is formed by stamping and bending a metal sheet, and comprises a second fixing portion, a second contact arm extending forward from the second fixing portion, and a first welding portion extending from the second fixing portion, the second contact arm is at least partially suspended in the second terminal slot, and a second arc-shaped contact protrusion protruding downward from the lower plate surface is provided at the front end or near the front end of the second contact arm.

2. The battery connector according to claim 1, characterized in that: The first contact protrusions and the second contact protrusions are arranged in a row with an interval between left and right.

3. The battery connector according to claim 1, characterized in that: The first contact convex portion is provided with a front guiding surface, a rear guiding surface located behind the front guiding surface, and a contact convex surface connected between the front guiding surface and the rear guiding surface. The front guiding surface and the rear guiding surface are arcuate surfaces or inclined surfaces, and the contact convex surface is an arcuate surface.

4. The battery connector according to claim 1, characterized in that: The second contact protrusion is an arc-shaped sheet.

5. The battery connector according to claim 1, characterized in that: The signal terminals are assembled one by one upward in the first terminal slots, and the power terminals are assembled one by one forward in the second terminal slots.

6. The battery connector according to claim 1, characterized in that: The first fixing portion is inserted and fixed upwardly in the first terminal slot, and is provided with an inserting portion extending upwardly. The side edge of the inserting portion is provided with barbs, and the barbs interfere and fix with the inner wall of the first terminal slot.

7. The battery connector according to claim 1, characterized in that: The signal terminals and the power terminals are arranged in a row at intervals on the left and right. There are three signal terminals and two power terminals, which are arranged adjacent to each other on the left and right. Two signal terminals are arranged on one side of the two power terminals, and the other signal terminal is arranged on the other side of the two power terminals.

8. The battery connector according to claim 1, characterized in that: It also includes a metal shell covering the outside of the insulating seat.

9. The battery connector according to claim 8, characterized in that: The upper plate surface is provided with an upper groove and a protrusion located in the upper groove, and the metal shell comprises a top wall received in the upper groove, and the top wall is provided with a notch engaged with the protrusion.

10. The battery connector according to claim 8, characterized in that: The insulating seat body is also provided with a rear plate surface and two side plate surfaces opposite to each other on the left and right sides, the rear plate surface is provided with a rear groove, and the side plate surfaces are provided with side grooves. The metal shell includes a top wall, a rear end wall bent downward from the rear end of the top wall, and side end walls bent downward from the left and right ends of the top wall, the rear end wall is accommodated in the rear groove, and the side end walls are accommodated in the side groove.

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