CN2296078Y - Connector receptacle - Google Patents

Abstract

The utility model relates to a connector socket which comprises a shell and a ground terminal clamped in the shell, wherein a plug jack is formed on the shell; two couples of signal terminals which are mutually and electrically connected and can be separated are arranged in the shell, wherein the first signal terminal is bended and abutted on the inner wall of the shell to form a first pivot and an upper convex part; the second signal terminal is bended and abutted on the inner wall of the shell to form a second pivot, a lower convex part and an elastic arm which is abutted on the inner wall of the shell to form a pivot. The connector socket has the advantages of low cost, quick assembly, long service life and high stability.

Description

Connector body

The utility model relates to a kind of connector body, particularly relate to a kind ofly have that cost of parts is low, assembling fast, long service life and the high connector body of stability.

The general electronic product that can sound, major part all can have the device of connector body, so that the connector plug as sound-producing devices such as earphones to be provided, insert connector body and can hear the sound that produces by electronic product, still, in the use because long-term use of the frequent plug of connector plug, cause the loose contact between connector plug and the socket, for example walkman is unkitted external loudspeaker usually, so the plug of earphone socket use is comparatively frequent, so the earphone socket failure rate is also higher.

As shown in Figure 1, a kind of connector body was arranged in the past, comprise a housing 10, a jack base 11, an earth terminal 12, one first signal terminal 13, a secondary signal terminal 14, one the 3rd signal terminal 15, one the 4th signal terminal 16 and two springs 17,17 ', earth terminal 12 is fastened on the jack base 11, first signal terminal 13 upwards is connected with the contact with the 3rd signal terminal 15 after the ejection with spring 17 through bending, the bottom of spring 17 installs in the location notch 18 of housing 10 inwall lower ends, tail end at first signal terminal 13 forms a protuberance 131 in addition, secondary signal terminal 14 is through forming a bottom 141 after the bending continuously, the tail end of secondary signal terminal 14 and to have the contact to be connected with the 4th signal terminal 16 after spring 17 ' the downward ejection, spring 17 ' installs in the location notch 18 ' of housing 10 inwalls upper end, after the plug 19 of connector inserts in the jack base 11, plug 19 is the protuberance 131 of pushing and pressing first signal terminal 13 earlier, make first signal terminal 13 and the 3rd signal terminal 15 form open-circuit condition, plug 19 pushes against the bottom 141 of secondary signal terminal 14 more then, makes secondary signal terminal 14 and the 4th signal terminal 16 form open-circuit condition.

But there is following shortcoming in above-mentioned connector body:

One, general location notch 18,18 ' internal diameter is usually than spring 17,17 ' diameter is big slightly, make spring 17,17 ' installs easily, therefore, spring 17,17 ' can't stably be positioned at location notch 18, in 18 ', add spring 17,17 ' pushes location notch 18 always, 18 ', make first signal terminal 13, spring 17 and location notch 18 threes' link position can produce deviation, and secondary signal terminal 14, spring 17 ' and location notch 18 ' three's link position also can produce deviation, therefore influence the laser propagation effect of electric signal, the phenomenon that causes this connector to have loose contact after long-term the use produces.

Two, because this signal terminal 13,14,15,16, earth terminal 12 and spring 17 all are small parts, must be by artificial assembling, and have some human factors, as eye fatigue, distraction and not careful etc., will have influence on installation quality, and because spring 17,17 ' location are not good, so cause the part location inaccurate and make fraction defective improve.

Three, be positioned at location notch 18,18 ' two springs 17, the cost that 17 ' meeting increases part.

A kind of connector body is arranged in addition, it is the improvement structure of the novel patent application case in Taiwan number No. 84215349 connector body, as shown in Figure 2, comprise a housing 20, a jack base 21, an earth terminal 22 and four signal terminals 23,24,25,26, first signal terminal 23 bending continuously has the contact to be connected with the 3rd signal terminal 25, prop up housing 20 inwalls to constitute first fulcrum at first make contact 232, and tail end forms a protuberance 231, secondary signal terminal 24 includes a brace 241 and a shell fragment 242, shell fragment 242 is through bending continuously, prop up housing 20 inwall right-hand members at second contact point 243 and constitute second fulcrum, the last shell fragment 2421 of shell fragment 242 is fixed on housing 20 inwalls, and shell fragment 2422 forms a bottom 242 ' under it, the tail end of following shell fragment 2422 has the contact to be connected with the 4th signal terminal 26, when the plug 27 of connector inserts jack base 21, the formed protuberance 231 of first signal terminal, 23 tail ends can compress downwards, allow first signal terminal 23 and the 3rd signal terminal 25 form open-circuit condition, the bottom 242 ' of shell fragment 2422 is upwards pushed make secondary signal terminal 24 and the 4th signal terminal 26 form open-circuit conditions, but this connector body still has following shortcoming:

One, secondary signal terminal 24 is made up of brace 241 and shell fragment 242, therefore must will expend more time parts.

Two, in course of action, first signal terminal 23 reaches down, and shell fragment 2422 is that fulcrum pushes action up and down with first make contact 232, second contact point 243 only respectively, but because moment is long, and the phenomenon of elastic fatigue can take place under long-term the use, if the material that is adopted is not good, more can cause defective products to improve and contact loose contact phenomenon.

The purpose of this utility model is to provide a kind of assembling to be easy to connector body, and it can increase the service life and reduce cost of parts.

Connector body of the present utility model, comprise a housing and be fastened on an interior earth terminal of housing, comprise a jack that can supply connector plug to insert in the housing, in this housing, be provided with first signal terminal and the 3rd signal terminal that are electrically connected mutually, and the secondary signal terminal and the 4th signal terminal that are electrically connected mutually, it is characterized in that, first signal terminal is one first fulcrum that props up this inner walls earlier after bending, again through being bent to form a upper convex portion, and tail end props up another second fulcrum of this inner walls;

The secondary signal terminal is bent to form a following protuberance earlier again after bending props up one the 3rd fulcrum of this inner walls, the bending back forms an elastic arm again, and props up another the 4th fulcrum of this inner walls.Described connector body is characterized in that:

Described secondary signal terminal tail end has a resistance portion, and resistance portion is connected to the secondary signal terminal near protuberance place under described.

When connector plug inserts this jack, the stressed downward extruding earlier of the upper convex portion of first signal terminal, the stressed of this upper convex portion disperses by first signal terminal props up the formed majority of an inner walls fulcrum, then the following protuberance of this secondary signal terminal is subjected to up roof pressure of this connector plug, this time protuberance stressed also disperses by this secondary signal terminal props up formed several fulcrums of this inner walls, make first and second signal terminal slow down the active force that bears the connector plug roof pressure, under long-term the use, can not produce elastic fatigue, and signal terminal increases useful life.

Below by most preferred embodiment and accompanying drawing connector body of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the generalized section of connector body in the past.

Fig. 2 is the structurally improved generalized section of No. 84215349 connector body of the novel patent in Taiwan.

Fig. 3 is the cut-away section schematic diagram of the utility model preferred embodiment.

Fig. 4 is the cut-away section schematic diagram of the utility model preferred embodiment assembling connector plug.

As shown in Figure 3, connector body of the present utility model comprises a housing 30, earth terminal 32, one first signal terminal 33, secondary signal terminal 34, the 3rd signal terminal 35 and one the 4th signal terminal 36.

Housing 30 body that is square, comprise a jack 31 that can insert for connector plug 40 and interior slot 301 that can complete ccontaining plug 40 spaces thereof in the housing 30, blocking has an earth terminal 32 in housing 30, and more comprise within it can plant for the 4th signal terminal 33,34,35,36, the guide groove of bending usefulness and first guide pillar 302, second guide pillar 303.

First signal terminal 33 and the 3rd signal terminal 35 are electrically connected in this housing mutually, secondary signal terminal 34 and the 4th signal terminal 36 are electrically connected mutually, the 3rd signal terminal 35 and the 4th signal terminal 36 are inserted on the housing 30 interior guide grooves with general identical, and its end is respectively equipped with contact point 351 and contact point 361; First signal terminal 33 is that first first guide pillar 302 along housing 30 upwards is bent to form a upper convex portion 331 again to a lateral buckling, and after the neighbour forms first fulcrum 51 in first guide pillar, 302 places on the left of the bending place props up housing 30 inwalls earlier, again with contact point 351 butts of the 3rd signal terminal 35, and the tail end of upper convex portion 331 after forming extends downwards and props up housing 30 inwall lower ends to form second fulcrum 52.Secondary signal terminal 34 earlier along second guide pillars 303 of housing 30 bend and prop up housing 30 inwall right sides left and with its formation the 3rd fulcrum 53, after being bent to form a following protuberance 341 again downwards, up be bent to form an elasticity arm 342 again, contact point 361 butts of bending place and the 4th signal terminal 36 in the middle of the elasticity arm 342, elasticity arm 342 also props up housing 30 inwalls upper end with after constituting the 4th fulcrum 54, make the tail end of secondary signal terminal 34 form a resistance portion 343, and resistance portion 343 is connected to secondary signal terminal 34 near this time protuberance 341 places.In addition, signal terminal 33,34,35,36 all is integrally formed.

As shown in Figure 4, when connector plug 40 inserts jack 31, the upper convex portion 331 of first signal terminal 33 can be subjected to first of plug 40 to plug together portion's 401 extruding earlier and produce a downward active force, and active force conducts to first respectively immediately, two fulcrums 51,52 and divide and to dissipate, the following protuberance 341 of secondary signal terminal 34 can be subjected to first to plug together the roof pressure of portion 401 and produce an active force that makes progress then, active force can divide towards both direction conduction and dissipates, the one active force disperses by the 3rd fulcrum 53, another active force conducts to elastic wall 342 makes it smooth in housing 30 inwalls and the 4th fulcrum 54 is moved to right and another active force is disperseed, and resistance portion 343 is connected to secondary signal terminal 34 close protuberance 341 places down, the active force that protuberance 341 makes progress under can slowing down, after connector plug 40 inserts jack 31 fully, second of plug 40 plugs together the upper convex portion 331 of portion's 402 lower end butts, first signal terminal 33, first signal terminal 33 is separated with the 3rd signal terminal 35 and form open-circuit condition, first plugs together the following protuberance 341 of portion's 401 upper end butt secondary signal terminals 34, make the second letter terminal 34 separate and form open-circuit condition with the 4th signal terminal 36, the 3rd of plug 40 plugs together portion's 403 while butt earth terminal 32 to form short-circuit condition, when connector plug 40 when socket is extracted, first signal terminal 33 of connector body and secondary signal terminal 34 will be returned to state as shown in Figure 3.

In sum, the utlity model has following effect:

One, cost of parts is low: number of components of the present utility model is less, so cost is lower.

Two, be convenient to assembling: because part is few, so can reduce complicated assembly program and reduction built-up time.

Three, part stability height, fraction defective are low: because first signal terminal 33 and secondary signal terminal 34 All be respectively by with two fulcrums of inner walls formation being dissipated stressed effectively the branch, so long-term the use The lower elastic fatigue that can not take place, the stability of part is high, fraction defective is low, so part life increases.

Claims (2)

1, a kind of connector body comprises a housing and is fastened on an interior earth terminal of housing; Housing comprises a jack that inserts for a connector plug, is provided with mutual electrical connection and separable first signal terminal and the 3rd signal terminal in the housing, and is electrically connected mutually and separable secondary signal terminal and the 4th signal terminal, it is characterized in that:

The bending of described first signal terminal props up described inner walls and forms first fulcrum, and is bent to form the force-applied and upper convex portion of downward extruding, and makes the described first signal terminal tail end prop up inner walls to form second fulcrum;

The bending of described secondary signal terminal props up inner walls and forms second fulcrum, and is bent to form the force-applied and following protuberance of roof pressure upwards, and is bent to form an elastic arm again, and elastic arm also props up inner walls and forms the 4th fulcrum.

2, connector body according to claim 1 is characterized in that:

Described secondary signal terminal tail end has a resistance portion, and resistance portion is connected to the secondary signal terminal near protuberance place under described.

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