CN201278425Y - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, it includes an insulating pedestal, and insulating pedestal has a somatic part, has seted up several terminal draw-in groove on the somatic part, has seted up a card respectively in the both sides of this several terminal draw-in groove on the terminal surface before this somatic part and has held the groove. The plurality of terminal clamping grooves are internally provided with a conductive terminal respectively, the conductive terminal is provided with a fixing part, one end of the fixing part is vertically bent and extended to form a welding part, two sides of two edges of the tail end of the welding part are respectively protruded to form a blocking part, and the blocking parts are correspondingly accommodated in the clamping grooves. The utility model discloses electric connector relies on protruding card fender portion card that stretches up of this several weld part to hold and holds and hold the inslot in the card, and card fender portion can be reliably closely laminated with the circuit board under holding the support of holding the groove cell wall, therefore can conveniently weld, improves welding quality.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector used for connecting with a battery.

Background technique

Many current electronic products need to use electrical connectors to complete the electrical connection between the circuit board and the battery. A conventional electrical connector is shown in FIG. 5 . The electrical connector includes an insulating base 60 . The insulating base 60 has a body portion 600 , and several terminal slots 601 are opened on the body portion 600 . The plurality of terminal slots 601 are respectively inserted with a conductive terminal 70 punched and formed from a sheet material. The conductive terminal 70 has a holding part 700, and the front ends of the holding part 700 are respectively bent upwards to form a The welding part 701 of the corresponding joint welding.

However, in the above-mentioned electrical connector, when the soldering portion 701 of the conductive terminal 70 is soldered to the circuit board, the soldering portion 701 tends to warp into the terminal slot 601 due to manufacturing errors, extrusion deformation, etc., thereby increasing the Difficulty of welding, and it is easy to cause weak welding.

Utility model content

The purpose of the utility model is to provide an electrical connector which is easy to be welded on a circuit board to avoid the problem of weak welding.

In order to achieve the above purpose, the electrical connector provided by the utility model includes an insulating base body, the insulating base body has a body part, and several terminal slots are opened on the body part. A conductive terminal is arranged in each of the plurality of terminal slots, each of the plurality of conductive terminals has a holding portion, and one end of the holding portion is vertically bent and extended to form a welding portion. On the front end surface of the main body part, a holding groove is provided on both sides of the several terminal holding grooves; the two edges of the ends of the several welding parts protrude to both sides to form a blocking part, and the blocking part is correspondingly received. in the said holding groove.

As mentioned above, the electrical connector of the present utility model is accommodated in the holding groove by virtue of the protruding blocking parts on the welding parts of the several conductive terminals. Reliable and close fit with the circuit board, so it can be conveniently soldered and improve the soldering quality.

Description of drawings

FIG. 1 is a perspective view of an embodiment of the electrical connector of the present invention.

FIG. 2 is an exploded perspective view of the electrical connector shown in FIG. 1 .

FIG. 3 is a perspective view of a first conductive terminal of the electrical connector shown in FIG. 2 .

FIG. 4 is a perspective view of a second conductive terminal of the electrical connector shown in FIG. 2 .

FIG. 5 is an exploded perspective view of a conventional electrical connector.

The reference signs in the figure are explained as follows:

[this utility model]

Insulation base body 10 body part 100

Grooving 101 Convex part 102

Holder slot 103 First terminal slot 110

Card block 111 Second terminal card slot 120

Convex part 121 Partition 123

First conductive terminal 20 Holding part 200

Convex teeth 201 Welding part 202

Blocking part 203 Elastic contact part 210

The first connecting part 211 The second connecting part 212

The third connection part 213 The fourth connection part 214

Contact part 215 Gear part 216

The second conductive terminal 30 holding part 300

Convex teeth 301 Welding part 302

Blocking part 303 Slot hole 304

Elastic contact part 310 First connecting part 311

The second connecting part 312 The third connecting part 313

Fourth connection part 314 Contact part 315

Gear part 316 Holder 40

Clamping part 400 Convex teeth 401

Locating tooth 402

[Background technique]

Insulation base body 60 body part 600

Terminal slot 601 Conductive terminal 70

Holding part 700 Welding part 701

Detailed ways

In order to describe the technical content, structural features, achieved purpose and effect of the present utility model in detail, the following will be described in detail in combination with specific embodiments and accompanying drawings.

For ease of description, the front and rear, left and right, and up and down directions in the following embodiments refer to those in FIG. 1 .

Please refer to Fig. 1 and Fig. 2, the electrical connector of the present utility model comprises an insulating base body 10, and the insulating base body 10 has a body part 100 of a substantially rectangular block shape, and the upper end of the body part 100 is arranged side by side downwards to have several through it. The terminal card slots on the front and rear two sides are respectively inserted with a conductive terminal. Two locking grooves 103 are respectively defined on both sides of the plurality of terminal locking grooves on the front surface of the main body 100 . The plurality of terminal slots include a first terminal slot 110 located in the middle of the body portion 100 and two second terminal slots 120 respectively located in the left and right portions of the body portion 100 . The plurality of conductive terminals include a first conductive terminal 20 inserted in the first terminal slot 110 and two second conductive terminals 30 inserted in the two second terminal slots.

The lower ends of the left and right side walls of the first terminal card slot 110 each protrude a stopper 111, and the lower ends of the left and right side walls of the two second terminal card slots 120 respectively protrude to form a convex card part 121. A partition 123 protrudes upwards from the bottom walls of the two terminal slots 120 . The lower front end of the body part 100 corresponds to the first terminal slot 110 and a slot 101 is opened between the two second terminal slots 120, and the rear part of the upper surface of the body part 100 corresponds to the first terminal slot 110 and the second terminal slot 120. A protrusion 102 protrudes from the left and right sides of the two second terminal slots 120 .

The two slots 101 are respectively inserted with a holding member 40, the holding member 40 has a substantially U-shaped holding portion 400, a protruding tooth 401 protrudes from the rear edge of the holding portion 400, the holding portion A positioning tooth 402 is protruded from the front edge of the 400 . The two clamping portions 400 and the two protruding teeth 401 are clamped and fixed on the groove wall of the slot 101 , and the two positioning teeth 402 are fixed on the circuit board (not shown in the figure).

Please refer to FIG. 2 and FIG. 3 , the first conductive terminal 20 has a holding portion 200 roughly in the shape of a strip, and a protruding locking tooth 201 protrudes from the middle of the left and right edges of the holding portion 200 . The middle part of the front edge of the holding part 200 is bent vertically upwards to form a welding part 202 , and the left and right edges of the welding part 202 protrude outwards respectively to form a locking part 203 . The rear end edge of the holding portion 200 is bent upwards to extend an elastic contact portion 210, the elastic contact portion 210 includes a first connecting portion 211, a second connecting portion 212, a third connecting portion 213, and a fourth connecting portion 214 and a contact portion 215. The first connecting portion 211 protrudes upward from the rear end edge of the holding portion 200 and is bent in a semicircular shape. The end of the first connecting portion 211 extends to form the second connecting portion 212 . The end extends horizontally to form the third connecting portion 213 . The end of the third connecting portion 213 is bent upward and backward to form the fourth connecting portion 214 , and a contact portion 215 bent in an inverted V shape protrudes from the end of the fourth connecting portion 214 . An end of the contact portion 215 is bent forward, and two side edges respectively extend outward to form a blocking portion 216 .

Please refer to FIG. 2 and FIG. 4 , the second conductive terminal 30 has roughly the same structure as the first conductive terminal 20 , correspondingly including a holding part 300 , two protruding locking teeth 301 , a welding part 302 , and two locking parts 303 The main difference between the two is that: the welding portion 302 also offers a slot 304, and the rear end edge of the holding portion 300 is extended with two elastic contact portions 310 side by side, and the two elastic contact portions 310 are respectively located on the partition plate 123 on both sides. The elastic contact portion 310 is substantially the same as the elastic contact portion 210, correspondingly including a first connecting portion 311, a second connecting portion 312, a third connecting portion 313, a fourth connecting portion 314 and a contacting portion 315, the difference A blocking portion 316 is formed on outer edges of ends of the two parallel contact portions 315 respectively extending outward.

When the first conductive terminal 20 is inserted into the first terminal slot 110, and the two second conductive terminals 30 are respectively inserted into a second terminal slot 120, the locking portion 203 and the two locking portions 303 correspond to The clip is accommodated in the clip slot 103 on the main body 100 . When the electrical connector of the present utility model is arranged on the circuit board (not shown in the figure), the blocking portion 203 and the two blocking portions 303 can make the welding portion 202 and the two welding portions 202 welded together under the support of the groove wall of the holding groove 103. The part 302 is reliably and closely attached to the circuit board (not shown in the figure), which is convenient for welding and can improve the welding quality. Moreover, the protrusion 102 protruding from the main body 100 can limit the pressing stroke of the elastic contact parts 210, 310 of the conductive terminal when the battery is reversely installed or other abnormal conditions occur, so as to prevent excessive deformation of the conductive terminal.

To sum up, the electrical connector of the present utility model is accommodated in the holding groove 103 by means of the blocking parts 203, 303 protruding from the welding parts 202, 302 of the several conductive terminals, and the blocking parts 203, 303 are held in the holding groove 103. The bottom of the groove wall of the groove 103 can be reliably and closely attached to the circuit board (not shown in the figure), so that welding can be performed conveniently and the welding quality can be improved.

Claims (5)

1. electric connector, comprise an insulating base frame, insulating base frame has a body, offer the several terminals draw-in groove on the body, be respectively arranged with a conducting terminal in this several terminals draw-in groove, these several conducting terminals respectively have a holding parts, and the vertical bending of an end of holding parts extends to form a weld part, and it is characterized in that: the both sides in this several terminals draw-in groove on the described body front end face offer a support slot respectively; Each protrudes out formation one retainer to both sides the two edges of the end of weld part, and the retainer correspondence is contained in the support slot.

2. electric connector according to claim 1, it is characterized in that: between adjacent both ends subcard groove, offer a fluting respectively on the described body, plug in the fluting and be fixed with a holding part, holding part has a holding section that takes the shape of the letter U, the end edge of holding section has protruded out a double wedge, the front-end edge of holding section protrudes out and forms a positioning tooth, and this holding section and double wedge hold on the cell wall that is fixed on fluting.

3. electric connector according to claim 1 is characterized in that: the rear portion of the upper surface of described body has protruded out a protruding stopper respectively in place, the several terminals draw-in groove left and right sides.

4. electric connector according to claim 1 is characterized in that: described several terminals draw-in groove comprises a first terminal draw-in groove and the two second terminal draw-in grooves near the body side that are positioned at the body middle part; Described several conducting terminals comprise one first conducting terminal and two second conducting terminals, and first conducting terminal is inserted in the first terminal draw-in groove, and two second conducting terminals respectively are inserted in the one second terminal draw-in groove.

5. electric connector according to claim 4, it is characterized in that: the end that the holding parts of described first conducting terminal is relative with described weld part protrudes out and forms an elastic contact part, and the tip forward bending of elastic contact part and both side edges stretch out respectively and form a gear portion; The end that the holding parts of described second conducting terminal is relative with described weld part protrudes out and forms two side by side elastic contact parts, and two side by side the lateral borders of end of elastic contact part stretch out respectively and form a gear portion.

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