CN2360968Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which mainly comprises an insulating body, conductive terminals, a front shielding casing and a back shielding casing, wherein, appropriate positions of bottom edges of surfaces of both sides of the front shielding casing are respectively provided with an upward positioning hook which is bent twice; each of the positioning hook is composed of two support legs with definite elasticity and each of the ends of the two support legs are respectively convexly provided with a clamping part. By the elasticity of the support legs of the positioning hooks and the clamping fixation of the clamping parts on the ends and corresponding clamping holes on a circuit board, the electric connector can be fixedly connected in a corresponding recess on the circuit board, achieving the purposes that space of a computer occupied by elements can be saved.

Description

Electric connector

The utility model is a kind of electric connector, refers in particular to a kind of being fixed in the default recess of circuit board to reduce the electric connector of its assembled height.

The laptop thin typeization is the trend for developing, be located at the carrying out that the electric connector on the motherboard for the benefit of welds and have now, on electric connector, be equipped with and decide the part post, in conjunction with reference to Fig. 6, Fig. 7, wherein reference column 8 is located at the bottom of electric connector, thereby after it was welded on the motherboard 9, the height of its assembling was restricted all the time and can't reduces.That is to say that assembled height lies along the bottom of electric connector downwards because of this reference column 8, thereby the snapping place of circuit board 9 must be positioned at the below of electric connector, be assembled in casing 90 inner heights like this and also just can't effectively reduce.Relevant technology can be referring to No. the 85204902nd, 85212129,85215759,86200661, TaiWan, China patent application and No. 86214118 etc.Setting based on existing electric connector reference column can't reduce its assembled height, thereby is difficult to be suitable for thin typeization.

The purpose of this utility model is to provide a kind of electric connector, and it can be positioned to reduce assembled height, to save Cyberspace in the default recess of circuit board.

The purpose of this utility model is to realize like this, on this electric connector, be provided with the reference column of reverse bending, the position that this reference column and circuit board fix is above the bottom of electric connector, promptly the reference column by reverse bending can make circuit board fix above the electric connector bottom, and then the height that electric connector is assembled in the computer reduces.

According to above-mentioned principal character, wherein this reference column is located at the appropriate position, shielding casing two sides of electric connector, reflexed makes progress by extending also on the shielding casing, be a grab shape, and this reference column has suitable flexible leg by two and is formed, each leg end portions respectively is provided with a protuberance, utilize the elasticity and the protuberance thereof of this grab leg that this grab is snapped in the corresponding hole clipping of circuit board according to specific direction, and then this electric connector is contained in the corresponding recess of circuit board, to reduce assembled height.

The another of the utility model electric connector is characterised in that, on this electric connector insulation shell, correspond to aforementioned grab position and respectively be provided with an insulating support, so that reference column mounts thereon, and then guarantee that reference column can be by bending in the process that snaps in the corresponding hole clipping of circuit board.

Compared with prior art, advantage of the present utility model is to reduce electric connector shared height space in computer.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a three-dimensional combination figure of the present utility model.

Fig. 3 is the cutaway view of the utility model in Fig. 2 upper edge I-I direction.

Fig. 4 is the utility model assembling view between itself and circuit board when being applied to second embodiment.

Fig. 5 is the assembling view between the utility model and circuit board.

Fig. 6 is the three-dimensional exploded view of existing electric connector.

Fig. 7 is the assembly drawing between existing electric connector and circuit board.

With reference to Fig. 1, shown in Figure 2, the utility model electric connector mainly includes insulation shell 1, conducting terminal 2, preceding shielding casing 3 and back shielding casing 4, wherein, insulation shell 1 body that is rectangle, one end is made as interface 110 (as shown in Figure 3), and the other end is made as plug surface 111, wherein is provided with four terminal containing slots 112 between interface 110 and plug surface 111 side by side, it is vertical and run through this two surface, so that conducting terminal 2 is accommodated wherein.And be concaved with a docking groove 113 at interface 111, this docking groove 113 inwardly concaves certain depth, to be used for butt connector connect (not shown), and outwards protrude out the butt joint flange 114 (as shown in Figure 3) of certain-length in its bottom, to be used for when butt connector inserts in the docking groove 113, the contact surface that increases between them is long-pending, and then makes the corresponding mating terminals of conducting terminal 2 and butt connector (not shown) contact more reliable; And respectively to be provided with a certain size depressed part 115 (as shown in Figure 3) at the ora terminalis middle part of its both side surface, in order to the inlay card sheet 318 of shielding casing 3 before accommodating.In addition, in the middle of the two sides of insulating body 1, respectively be provided with fixture block 116, be provided with stop section 117 at its two ora terminalis middle part near plug surface 111, each shields and sustain portion 118 along the terminal that longitudinally is outward extended with certain-length corresponding root edge two ends, shield and sustain in this two-terminal and then to be respectively equipped with three terminal spacer blocks 119 that wait width between the portion 118, separate respectively to guarantee that each terminal can not run into and then make the electric connector riding quality mutually to be used for welding ends 22 with each terminal 2.Protrude the insulating support 120 of bottom surface and be provided with two in the appropriate position, bottom surface of insulation shell 1, each extends to the respective side outside this insulating support 120 by the bottom surface, and it is L-shaped respectively to expose the outside certain-length of its corresponding side surface, mounts thereon for the grab 316 of preceding shielding casing 3.

Conducting terminal 2 has contact jaw 21, welding ends 22 and abutting end 23, and wherein contact jaw 21 is used for the mating terminals contact with butt connector; Welding ends 22 is used for same printed circuit board (PCB) (not shown) and welds mutually, when terminal 2 windings after on the insulating body 1, its welding ends 22 needs horizontal through twice bending and outside (as shown in Figure 3) that expose back shielding casing 4 in addition, and abutting end 23 is used for terminal 2 is fixed in the terminal containing slot 112.

Preceding shielding casing 3 is coated on a side of insulation shell 1, it has the first surface 310 that matches with the plug surface 110 and the both side surface thereof of insulation shell 1, second surface 311 and the 3rd surface 312, wherein at second surface 311, respectively be provided with on the 3rd surface 312 and aforementioned fixture block 116 corresponding two hole clippings 313, to be used for fixture block 116 clampings, each inwardly stamps out a stopping plate 314 on respect to the position of aforementioned stop section 117 and at it, and stopping plate 314 respectively forms two draw-in grooves 3141 with respect to two sides itself, peg graft wherein to be used for back shielding casing 4 corresponding cards 42, and then make preceding shielding casing 3 and back shielding casing 4 form a shielding integral body.Then outwards be formed with two grabs 315 at its edge middle part, bottom side in addition through twice bending, each grab 315 is formed by two rubber-like legs 3151, and the outside, end at each leg 3151 is provided with a card division 3152, with when its with the hole clipping that is connected in the other direction circuit board in the time, utilize the elasticity and the card division 3152 of this leg 3151 that this grab 315 is snapped in the corresponding hole clipping of circuit board, electric connector being fixed in the corresponding recess of circuit board (not shown) (as shown in Figure 5), and then reduce its height shared in computer.Offer an interface 316 at first surface 310 with respect to docking groove 113 positions, so that butt joint electric connector butt end is passed wherein and inserted in the docking groove 113.And at these interface 316 both sides ora terminalis with respect to respectively the bend inwards inlay card sheet 318 of suitable length of the position of the depressed part 115 of insulation shell 1, fasten with this depressed part 115 being used for, and on its base and top margin middle part respectively be provided with the grounding elastic part 319 of inside rate folding, to play ground connection.

Back shielding casing 4 is coated on the opposite side of insulation shell 1, is provided with a card 42 in surface thereof with respect to the position of aforementioned draw-in groove 3141, and shielding casing 3 fixes as one with back shielding casing 4 before can making by it, and its formed stereogram as shown in Figure 2.

Second embodiment of the utility model electric connector as shown in Figure 4, in this embodiment, grab 51 is that 90 degree form along the longitudinally bending, and in a side direction of circuit board, be concaved with the recess 52 that matches with this connector, and also be respectively equipped with hole clipping in these recess 52 relative both sides, because of on grab 51, being provided with two legs 511 equally and being provided with card division 513 on the top of this leg 511, thereby set card division 513 on elasticity that also can be by leg 511 and the leg 511, the hole clipping of itself and circuit board both sides can be fastened, to reach affixed electric connector on circuit board and reduce the purpose of the shared Cyberspace of electric connector.

Claims (9)

1, a kind of electric connector, be mounted in the recess of printed circuit board (PCB), in order to connect with other electric connectors, include insulation shell, conducting terminal and shading member, wherein shading member is coated on outside the insulation shell, and on surface thereof, be provided with and the corresponding spliced eye of docking groove, it is characterized in that: on the two sides adjacent, be provided with the reference column of reverse bending, and the affixed position of this reference column and circuit board is positioned at the top of electric connector bottom with this surface.

2, electric connector as claimed in claim 1 is characterized in that: reference column set on the shading member also can bend to plug surface one end along longitudinally.

3, electric connector as claimed in claim 1 or 2 is characterized in that: shielding casing and back shielding casing before this shading member includes, wherein interface and reference column all are located on the preceding corresponding surface of shielding casing.

4, electric connector as claimed in claim 3 is characterized in that: this reference column has suitable flexible leg by two to be formed, and further is provided with the card division in the appropriate position, end of this two leg.

5, electric connector as claimed in claim 4 is characterized in that: the dual-side at the shielding casing interface respectively is provided with an inlay card sheet, and is respectively equipped with grounding elastic part on its base and top margin.

6, electric connector as claimed in claim 5, it is characterized in that: further be provided with a fitting apparatus between preceding shielding casing and back shielding casing, wherein this fitting apparatus is by set being formed with respect to this card of establishing to the sheet place to sheet and back shielding casing in preceding shielding casing two sides.

7, electric connector as claimed in claim 1 is characterized in that: insulation shell with respect to shading member on set reference column place correspondence be provided with insulating support, and this insulating support to expose the insulation shell part L-shaped.

8, electric connector as claimed in claim 7, it is characterized in that: insulation shell and before also be provided with a fitting apparatus between shielding casing, wherein this fitting apparatus is made up of set inlay card sheet on set hole clipping, stopping plate and the interface in depressed part set in the set fixture block in insulation shell two sides, stop section and the docking groove and the corresponding position of preceding shielding casing.

9, electric connector as claimed in claim 1 is characterized in that: this conducting terminal welding ends is finally to expose outside the electric connector with level through twice bending.

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