CN2256174Y - Electric connector for wire terminals - Google Patents

Abstract

The utility model relates to an electric connector for wire terminals, which comprises a first inner shell on which a plurality of through holes are arranged and a second inner shell on which clamping pieces are arranged correspondingly to the through holes, wherein, the clamping pieces are clamped in the through holes to enable the first inner shell to be combined with the second inner shell steadily, and both sides of the second inner shell are respectively provided with a protrusion part on which a through hole is arranged. The utility model comprises a pair of latch lock pieces which comprise pressing and holding parts and elastic sheets which are in the shape of slivers, wherein, one end of each elastic sheet is connected with each pressing and holding part, the other end of the elastic sheet is extended with a clamping jaw part, and the centre of the elastic sheet is provided with an elastic arm which is arranged in one of the through holes. The utility model also comprises an external shell covering the first and the second inner shells and the latch lock pieces, both sides of the external shell are provided with openings, and the pressing and holding parts of the latch lock pieces can be exposed out of the openings.

Description

The conductor wire end electric connector

The utility model relates to a kind of conductor wire end electric connector, and it is a kind of use plastics and stamping parts, the conductor wire end electric connector of low cost of manufacture.

See also Fig. 1, it is the three-dimensional exploded view of prior art conductor wire end electric connector.This conductor wire end electric connector 1 comprises a housing 12, one caps 14, and a pair of flexure strip 16, and flexure strip 16 is a strip, and its two ends are bent to form retaining section 162 and button claw 166 respectively, and its central punching out goes out an elastic arm 164.Both sides at housing 12 form accepting groove 122 respectively, in order to ccontaining flexure strip 16, also offer holddown groove 124 on accepting groove 122 sidewalls, are used for kink 165 on the ccontaining elastic arm 164, make flexure strip 16 location.Cap 14 is locked in housing 12 by screw 18 and finishes assembling.

Conductor wire end electric connector 1 is connected with interface edge electric connector (not shown) to transmit electric signal, respectively is provided with a barb in interface edge electric connector both sides, is used for the button claw 166 of clasp conductor wire end electric connector to interfix.During separation, only with hand is pushed the retaining section 162 of flexure strip 16, because elastic arm 164 is resisted against accepting groove 122 inwalls, therefore whole flexure strip 16 will be support with elastic arm 164, folding part 165 rotation (shown in the direction of arrow) of going for a stroll, button claw 166 can be thrown off with the barb of interface edge electric connector, can separated wires end electric connector and interface edge electric connector.

Yet because existing conductor wire end electric connector housing has accepting groove, it adopts the casting die moulding on making, but the cost of casting die is higher, so people attempt to improve this kind electric connector for a long time.

The purpose of this utility model is to provide a kind of conductor wire end electric connector, and it improves existing connector construction and element, reduces cost.

The purpose of this utility model is achieved in that promptly provides a kind of conductor wire end electric connector, comprises that one first inner casing is offered several through holes on this first inner casing; One second inner casing, on this second inner casing position, buckling piece is set corresponding to above-mentioned through hole, above-mentioned buckling piece fastens and make the firm combination of this first and second inner casing in above-mentioned through hole, in these second inner casing both sides one protuberance is set respectively, is provided with through hole on above-mentioned protuberance; A pair of latch piece comprises retaining section and flexure strip, and above-mentioned flexure strip is a strip, and an end connects above-mentioned retaining section, and the other end extends a button claw, and central authorities then are provided with an elastic arm, and above-mentioned elastic arm is arranged in the above-mentioned through hole; And a shell, cover above-mentioned first and second inner casing and above-mentioned latch piece, be provided with opening in these shell both sides, above-mentioned latch piece retaining section can expose from above-mentioned opening.

The advantage of the utility model device is that it is made up of punching press and working of plastics, and optimizes the structure of connector, and its assembling is simple and easy, reliable, reduces cost.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the three-dimensional exploded view of prior art conductor wire end electric connector;

Fig. 2 is the three-dimensional exploded view of the utility model conductor wire end electric connector;

Fig. 3 is the phantom of the utility model conductor wire end electric connector;

Fig. 4 A to Fig. 4 D is the schematic diagram that the latch piece of the utility model conductor wire end electric connector is installed in regular turn.

See also Fig. 2, it is the three-dimensional exploded view of the utility model conductor wire end electric connector.This conductor wire end electric connector 2 comprises one first inner casing, 21, one second inner casings 22, a pair of latch piece 24 (only showing one of them among the figure), and a shell 23.Relative position is provided with buckling piece 222 on through hole 211, the second inner casings 22 offering on first inner casing 21, and when first inner casing 21 combined with second inner casing 22, buckling piece 222 fastened firm combination in through hole 211.In second inner casing, 22 both sides one protuberance 221 is set respectively, on protuberance 221, is provided with a through hole 2211.

Latch piece 24 comprises retaining section 241 and flexure strip 242, please consults Fig. 2 and Fig. 3 simultaneously, and flexure strip 242 is a strip, and its two ends punching out respectively become button claw 2423 and elastic pressing part 2425, and central punching out goes out an elastic arm 2422.Wherein, three limits of elastic arm 2422 are empty thoroughly, with flexure strip 242 link to each other on one side, therefore can be around its connecting place distortion rotation.The part of elastic pressing part 2425 is contained in the retaining section 241, and mat hangnail 2424 is fixing, and another part extends from retaining section 241, and is resisted against on second inner casing 22 with a set angle bending, and button claw 2423 interlocks in order to the barb 31 with interface edge electric connector 3.

Conductor wire end electric connector assembling process of the present utility model is as follows, first and second inner casing 21,22 direct pressurizations can in conjunction with, buckling piece 222 fastened and made in through hole 211 in conjunction with firm this moment.See also Fig. 4 A to Fig. 4 D, it illustrates the step that latch piece 24 is installed in regular turn.At first latch piece 24 is installed along Fig. 4 A direction of arrow, this moment, latch piece 24 elastic arms 2422 tops were subjected to 221 pushings of second inner casing, 22 protuberances, distortion, spring into the through hole 2211 interior (shown in Fig. 4 B) of protuberance 221 thereafter, move latch piece 24 along Fig. 4 C direction of arrow again, this moment, elastic arm 2422 can go deep into the through hole 2211 (shown in Fig. 4 D) on the protuberance 221, location about finishing.Elastic arm 2422 and protuberance 221 front and back relative displacements also locate fore-and-aft direction because of being subjected to the restriction of the confined space between the two.At last shell 23 is coated first and second inner casing 21,22, this moment, the retaining section 241 of latch piece 24 can expose from shell 23 both-side openings 231, finished assembling.

Desire separated wires end electric connector 2 and interface connector 3, only with hand is pushed the retaining section 241 of latch piece 24, latch piece 24 will be the fulcrum rotation with second inner casing, 22 protuberances 221 this moment, the button claw 2423 and the barb 31 of interface edge electric connector 3 are thrown off, can separated wires end electric connector 2 and interface edge electric connector 3.

Conductor wire end electric connector of the present utility model, the retaining section 241 of its latch piece 24 and shell 23 are the plastic products of ejection formation, all the other each members all are the sheet metal pressing product, and are with low cost, help a large amount of productions.

In addition, the protuberance 221 of second inner casing 22 is a plane thin slice, and its geometry also is beneficial to punching press and assembling.Have again,, also can be provided with ribs 245 on the latch piece 24 for reinforcement intensity, from Fig. 4 A to Fig. 4 D as can be seen.

Claims (5)

1, a kind of conductor wire end electric connector is characterized in that it comprises, one first inner casing is offered several through holes on this first inner casing; One second inner casing, on this second inner casing position, buckling piece is set corresponding to above-mentioned through hole, above-mentioned buckling piece fastens and make the firm combination of this first and second inner casing in above-mentioned through hole, in these second inner casing both sides one protuberance is set respectively, is provided with through hole on above-mentioned protuberance; A pair of latch piece comprises retaining section and flexure strip, and above-mentioned flexure strip is a strip, and an end connects above-mentioned retaining section, and the other end extends a button claw, and central authorities then are provided with an elastic arm, and above-mentioned elastic arm is arranged in the above-mentioned through hole; And a shell, cover above-mentioned first and second inner casing and above-mentioned latch piece, be provided with opening in these shell both sides, above-mentioned latch piece retaining section can expose from above-mentioned opening.

2, conductor wire end electric connector as claimed in claim 1 is characterized in that, above-mentioned elastic arm three limits are empty thoroughly, with above-mentioned flexure strip link to each other on one side, above-mentioned flexure strip can be around above-mentioned connecting place distortion rotation.

3, conductor wire end electric connector as claimed in claim 1 or 2, it is characterized in that, above-mentioned flexure strip links to each other with above-mentioned retaining section to hold and is elastic pressing part, an above-mentioned elastic pressing part part is contained in the above-mentioned retaining section, remainder extends from above-mentioned retaining section, is resisted against on above-mentioned second inner casing with a set angle bending.

4, conductor wire end electric connector as claimed in claim 3 is characterized in that, above-mentioned elastic pressing part is contained in above-mentioned retaining section and inner the branch hangnail that fixing above-mentioned flexure strip and above-mentioned retaining section are connected it is set.

5, conductor wire end electric connector as claimed in claim 4 is characterized in that, the above-mentioned second inner casing protuberance is plane thin slice.

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