CN201041886Y

CN201041886Y - Switch structure of jack connector

Info

Publication number: CN201041886Y
Application number: CNU2007200017510U
Authority: CN
Inventors: 郑家奇; 唐常健
Original assignee: Suyin Electronics Dongguan Co Ltd
Current assignee: Suyin Electronics Dongguan Co Ltd
Priority date: 2007-01-09
Filing date: 2007-01-09
Publication date: 2008-03-26
Anticipated expiration: 2017-01-09

Abstract

The utility model discloses a switch structure of a socket connector, in particular to a socket connector which is easy to insert and draw with excellent electrical contacting performance. The utility model comprises an insulated seat body, a metal sleeve and a plurality of switch terminal sets. The switch terminal sets are all composed of elastic terminals and fixed terminals, wherein, the front end of the elastic arm of each elastic terminal is provided with an over voltage preventing structure, and the arm of force and angle of the over voltage preventing structure can be adjusted according to the need, so a butting connector can obtain enough insertion-withdrawal force to steady the butting joint. A butting jointing part is arranged on each fixed terminal opposite to the position of the elastic contacting point. Two sides of the butting jointing part are provided with fixed parts, and the fixed parts are blocked in a fixed trough, so the switch terminals can be stably contacted with each other to keep an excellent electrical contacting performance function.

Description

The construction of switch of socket connector

Affiliated technical field

The utility model relates to a kind of construction of switch of socket connector, refers in particular to a kind of socket connector that good switch electrically contacts function that not only helps plugging and having again.

Background technology

The socket connector that is used for electric equipments such as TV, sound equipment more, its inside has a construction of switch usually, this construction of switch not only needs bigger contact engaging and separating force and comes and plug holder solid butt joint that keep steady, and also need between the docking point of this construction of switch excellent electrical property contact function be beneficial to signal reliably and high-speed transfer.

What show as Fig. 1 is existing socket connector 100 structures, mainly is made up of insulating body 11, switch terminal set and metallic sheath 14; Described switch terminal set comprises flexible terminal 13 and fixed terminal 12; Wherein the middle-end of the elastic arm 132 of flexible terminal 13 is provided with resilient contact 131, and front end is provided with first contact site 130; Fixed terminal 12 is provided with docking section 121 with respect to the position of resilient contact 131; Under normal conditions, this construction of switch relies on the reaction elastic force of elastic arm 132 to make the resilient contact 131 on the flexible terminal 13 contact conducting with the docking section 121 of fixed terminal 12; Otherwise, when plug 60 inserts, its plug axle center 62 is by extruding first contact site 130, resilient contact 131 on the flexible terminal 13 is separated with the docking section 121 of fixed terminal 12, switch is off-state, reaction elastic force clamping plug axle center 62 contacts of flexible terminal 13 generations simultaneously are to finish signal output.

Yet the design of above-mentioned construction of switch exists defective:

The one, it is unfixing that the docking section 121 of fixed terminal 12 is vacant state, and under the reaction elastic force butt of flexible terminal 13, easy deformation causes loose contact;

The 2nd, flexible terminal 13 is a pop-off formula structure, it is too small to produce the white plug active force of interfering, and the card rib 111 of accommodating on the channel madial wall is fixed structure, contact when stressed, producing the plug active force of interfering will decide because of the size in plug axle center 62, can't stablize, be difficult for producing stable plug active force, in order to the plug of control butt connector.

Therefore, at above-mentioned defective, a kind of improved socket connector that has switch of necessary design.

Summary of the invention

Main purpose of the present utility model is to provide a kind of construction of switch of socket connector, utilizes fixed part on the fixed terminal to be equipped in and fixes the docking section in the holddown groove, makes can stablize contact between switch terminal and keep preferable electrical contact function.

Another purpose of the present utility model is to provide a kind of construction of switch of socket connector, utilizes the anti-structural pressure of the overvoltage portion of touching of flexible terminal to be pressed on the reaction force that produces on the inwall of accommodating channel, controls the plug of butt connector.

Another purpose of the present utility model is to provide a kind of construction of switch of socket connector, can utilize and set arm of force length and the angle that flexible terminal was prevented laminated structure as required, adjusts the size of contact engaging and separating force.

For achieving the above object, can be realized by following technical scheme: the utility model provides a kind of construction of switch of socket connector, this structure mainly by several insulating base frames, several are mounted on the Connection Block that switch terminal set in the insulating base frame, several metallic sheaths and several are used to connect adjacent insulating base frame and form.Described each switch terminal set is formed by flexible terminal and fixed terminal, wherein fixed terminal is the ladder kenel of similar " Z " shape, which is provided with that a flat board, extends under a dull and stereotyped side direction and the inserting foot vertical and with flat board from the dull and stereotyped leading edge bending docking section of extending upwards, wherein the docking section dual-side also is provided with and extends the fixed part that protrudes, and these fixed parts are equipped in the holddown groove of insulating base frame; Flexible terminal comprises the elastic portion of a basic portion, an oblique extension and perpendicular to the inserting foot of basic portion, also is provided with an elastic arm and in this elastic portion and prevented laminated structure; And this prevented that laminated structure comprised first contact site, touches portion from the oblique extended arm of force down of first contact site with from the extended forward pressure of the arm of force.

Compared to prior art, the one, the docking section of its construction of switch is stationary state, no longer is suspended on to accommodate in the channel, makes between switch terminal to keep stable contact; The 2nd, be provided with one at the front end of flexible terminal and prevented laminated structure, this prevented that the arm of force length of laminated structure and angle can adjust as required, made butt connector can obtain enough contact engaging and separating forces under different situations and firmly docked.

Description of drawings

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

Fig. 1 is the cutaway view of known socket connector;

Fig. 2 is the outside drawing of the utility model specific embodiment;

Fig. 3 is the three-dimensional exploded view of the utility model specific embodiment;

Fig. 4 is the stereogram of the single insulating base frame of the utility model specific embodiment;

Fig. 5 is the end view of the utility model specific embodiment flexible terminal;

Fig. 6 is the end view of the utility model specific embodiment fixed terminal;

Fig. 7 is the cutaway view of the utility model specific embodiment; And

Fig. 8 be the utility model specific embodiment to inserting cutaway view.

The known socket connector of 100-among the figure, 11-insulating base frame, 12-fixed terminal, 121-docking section, the 13-flexible terminal, 130-first contact site, 131-resilient contact, 132-elastic arm, the 14-metallic sheath, the novel socket connector of 200-, 10-metallic sheath, 11-circular hole, the 12-face of cylinder, 13-stator, 14-inserting foot, 15-diapire, the 20-insulating base frame, 21-sleeve, 22-butt hole, 23-draw-in groove, the 24-dovetail groove, the 25-grooving, 26-accommodates channel, 27-elastic tip pilot trench, 28-stiff end pilot trench, 29-holddown groove, 30-flexible terminal, the basic portion of 31-, the 32-elastic portion, the 321-elastic arm, 3211-elasticity is touched portion,, 322-prevented laminated structure, 3221-first contact site, the 3222-arm of force, 3223-presses the portion that touches, the right inserting foot of 33-, the 40-fixed terminal, 41-flat board, the protruding thorn of 411-, 42-left side inserting foot, 43-docking section, 431-fixed part, the 50-Connection Block, 51-card rib, 52-grab, the 60-plug, 61-ground connection case, 62-axle center.

Embodiment

For ease of describing enforcement structure of the present utility model in detail, existing conjunction with figs. is described as follows the utility model in detail in conjunction with the utility model specific embodiment:

Being depicted as one of the utility model specific embodiment by Fig. 2,3,4, is a combined connector 200, and this connector 200 is made up of several insulating base frames 20, several switch terminal set, several metallic sheaths 10 and several Connection Blocks 50.Wherein, each insulating base frame 20 front end is provided with one can be for the sheathed sleeve 21 of metallic sheath 10, be provided with a circular butt hole 22 in sleeve 21 tops, this butt hole 22 extends back and runs through formation one and accommodates channel 26, this accommodates the channel 26 other switch

terminals pilot trench

27,28 that are used to accommodate switch terminal set that are respectively equipped with, also be provided with a holddown groove 29 in the top of switch

terminals pilot trench

27,28, this holddown groove 29 can be used for the docking section 43 of ccontaining fixed terminal 40 and makes it fixing; And also be respectively equipped with dovetail groove 24 and grooving 25 in each insulating base frame 20 both sides, be used to connect the Connection Block 50 of adjacent insulating base frame 20, by the dovetail shape card rib 51 established on it be the cooperation that is connected with grooving 25 of suitable flexible grab 52 and dovetail groove 24 on the insulating base frame 20, with single receptacle combinations, to connect into a combined connector 200.

This metallic sheath 10 is cylindric, is one of the forming, and is used to be set in the sleeve 21 of insulating base frame 20, is provided with a circular hole 11 at its front end, and the butt hole 22 of this circular hole 11 on insulating base frame 20 also is used for accommodating plug 60 symmetrically; Be provided with one in its back-end and extend and the stator 13 of bending forward from diapire 15, this stator 13 is fastened in the draw-in groove 23 of insulating base frame 20, and fixes whole metallic sheath 10 with this; The centre of stator 13 also is provided with and tears the inserting foot 14 that bending is extended downwards in addition, and the ground connection case 61 of plug 60 contacts its faces of cylinder 12 and reaches the ground connection effect by inserting foot 14.

Fig. 5 and for example, shown in 6, its switch terminal set is combined by flexible terminal 30 and fixed terminal 40: wherein, flexible terminal 30 is to be stamped to form by sheet metal, be provided with basic portion 31 thereon, the oblique elastic portion 32 of extending from basic portion 31 leading edges and perpendicular to the inserting foot 33 of basic portion, described elastic portion 32 comprises that an elastic arm 321 and prevented laminated structure 322, wherein elastic arm 321 is provided with an elasticity and touches portion 3211, and prevents that laminated structure 322 was provided with first contact site 3221, touch portion 3223 from the oblique extended arm of force 3222 down of first contact site with from the extended forward pressure of the arm of force; And the ladder kenel of fixed terminal 40 is similar " Z " shape, which is provided with that a flat board 41, extends under dull and stereotyped 41 1 side direction and the inserting foot 42 vertical and with dull and stereotyped 41 from the dull and stereotyped 41 leading edges bending docking section 43 of extending upwards, wherein 43 both sides, docking section are provided with and extend the fixed part 431 that protrudes, with insulating base frame 20 assemblings the time, these fixed parts 431 are equipped in the holddown groove 29 of insulating base frame 20; Then, dull and stereotyped 41 and then insert in the stiff end pilot trench 28 again, and interfere firm by the protruding thorn 411 of its dull and stereotyped upper surface with the wall of stiff end pilot trench 28; At this moment, be placed into docking section 43 in the holddown groove 28 under the butt of the reaction elastic force of the resilient contact 3211 of flexible terminal 30, docking section 43 is maintained fixed, realized stable electrical contact between switch terminal.

Flexible terminal 30 is with mode relative about the

inserting foot

33,42 of fixed terminal 40 is mutually and set up, be individually fixed in the slot of insulating base frame 20 two bottom sides, only in the utility model, the inserting foot what person the

inserting foot

33,42 of flexible terminal 30 and fixed terminal 40 does not limit is located at the left side, and what person's inserting foot is located at the right side.

As Fig. 7, shown in 8, when plug 60 inserts, when the axle center 62 of plug 60 begins to push first contact site 3221, first contact site 3221 just drives the downward space displacement of elastic portion 32 beginnings, and the effect of elastic arm 321 produces a less reaction elastic force thereupon, when the fillet along with plug axle center 62 front ends leaves the 3221 continuation insertions of first contact site gradually, elasticity on it is touched portion 3211 and is just broken away from docking section 43, disconnect with fixed terminal 40, prevent that pressure on the laminated structure 322 touched portion 3223 and begin to be pressed on the wall of accommodating channel 26 on the insulating body 20 this moment, and produce a suitable conflict power, this conflict power is used for clamping plug 60 with above-mentioned bounce, firm butt joint, and by right inserting foot 33 finish and plug 60 between the signal transmission; Otherwise after plug 60 was extracted from butt hole 22, it prevented that laminated structure 322 set back under the reaction elastic force of its elastic arm 321 drives, and made resilient contact 3221 begin to contact conducting with docking section 43 on the fixed terminal 40; Yet this prevented that the arm of force 3222 length and angle on the laminated structure 322 can adjust as required, when needs increase or reduce the required contact engaging and separating forces size of plug 60, only need to change the length of its arm of force 3222 and the size of angle, can finish the combined connector of a may command contact engaging and separating force size.

Of the present utility model focusing on: the one, the docking section 43 on the switching terminal structure is stationary state, makes the stable contact of energy between switch terminal; The 2nd, be provided with one at the front end of flexible terminal 30 and prevented laminated structure 322, and this arm of force 3222 length and the angle of preventing laminated structure 322 can adjust as required, make butt connector under different situations, obtain enough contact engaging and separating forces and firmly dock.

Be familiar with enforcement utility model purpose and the effect that this operator understands the utility model spirit strictly according to the facts for making, for embodiment and accompanying drawing only be that the utility model is illustrated, not to the utility model any restriction in addition, the utility model also can still have other variation execution mode, so allly be familiar with this operator and carry out other pattern under this case utility model spirit and implement not breaking away from, the equivalence that all should be considered as this case claim is implemented.

Claims

1. the construction of switch of a socket connector, it comprises insulating base frame, metallic sheath and switch terminal set at least; This switch terminal set is made up of flexible terminal and fixed terminal; It is characterized in that:

The oblique elastic portion that flexible terminal is provided with basic portion, extend from basic portion leading edge and perpendicular to the inserting foot of basic portion, this elastic portion comprises that an elastic arm and prevented laminated structure, wherein elastic arm is provided with an elasticity and touches portion, and prevents that laminated structure was provided with first contact site, touches portion from the oblique extended arm of force down of first contact site with from the extended forward pressure of the arm of force;

The ladder kenel of fixed terminal is similar " Z " shape, which is provided with that a flat board, extends under a dull and stereotyped side direction and the inserting foot vertical and with flat board from the dull and stereotyped leading edge bending docking section of extending upwards, wherein the both sides, docking section are provided with and extend the fixed part that protrudes.

2. the construction of switch of socket connector as claimed in claim 1 is characterized in that, these fixed parts are equipped in the holddown groove of insulating base frame.

3. the construction of switch of socket connector as claimed in claim 1 is characterized in that, flexible terminal is individually fixed in the slot of insulating base frame two bottom sides with mode relative about the inserting foot of fixed terminal is mutually and set up.

4. the construction of switch of socket connector as claimed in claim 1 is characterized in that, the insulating base frame both sides also are respectively equipped with dovetail groove and grooving, is used to connect the Connection Block of adjacent insulating base frame.