CN104218384A - An electrical connector - Google Patents
An electrical connector Download PDFInfo
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- CN104218384A CN104218384A CN201310211911.4A CN201310211911A CN104218384A CN 104218384 A CN104218384 A CN 104218384A CN 201310211911 A CN201310211911 A CN 201310211911A CN 104218384 A CN104218384 A CN 104218384A
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- electric connector
- elastic device
- removable insulator
- insulation body
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Abstract
The invention provides an electrical connector for electrically connecting with a plug. The plug comprises at least one proximal connection part and a distal connection part. the electrical connector comprises: one fixed insulator; a plurality of connection terminals, which are installed on the fixed insulator in a mutually insulative manner and are configured to be electrically connected with the at least one connection part respectively; and a locking device, which is configured to compress one distal connection part of the plug when the plug is inserted into the electrical connector in place, in order to prevent the plug from disconnecting with the electrical connector. The socket type electrical connector in the invention is capable of enabling the plug to reliably maintain in the electrical connector. In the course of inserting the plug into the electrical connector and pulling the plug out of the electrical connector, the contact between the proximal connection terminal of the electrical connector and the distal connection part of the plug can be avoided, in order to reduce the friction on the proximal connection terminal and to prolong the lifespan thereof.
Description
Technical field
The present invention relates to a kind of electric connector, particularly, relate to a kind of electric connector be electrically connected with the plug of electronic equipment.
Background technology
The connector for earphone socket be electrically connected with audio jack is typically provided with, to realize the transfer of data between electronic equipment and audio jack in the small electronic equipment of such as mobile phone, PDA, MP3, MP4, notebook computer, broadcast receiver and so on.Fig. 1 shows a kind of base portion schematic diagram of 3.5 millimeters of traditional headset plugs.Usually, this headset plug 200 is included in the first connecting portion 201, second connecting portion 202, the 3rd connecting portion 203, the 4th connecting portion 204 and three insulation divisions 205 being separately positioned on adjacent connecting portion axially arranged successively to far-end by near-end.Such as the first connecting portion 201, second connecting portion 202, the 3rd connecting portion 203, the 4th connecting portion 204 respectively with being electrically connected for 4 splicing ears transmitting left channel signals, right-channel signals, ground signalling and microphone signal in the electric connector being arranged on electronic equipment.In other example, each connecting portion also can be electrically connected with the splicing ear for transmitting other signal of telecommunication with different orders respectively.
Arrange successively in the axial direction due to each connecting portion and separated by insulation division 205 between adjacent connecting portion, headset plug 200 to be inserted in electric connector and in the process be electrically connected successively with each splicing ear arranged in electrical connectors, first one or two splicing ears that the jack of distance electric connector is nearer will contact the 4th connecting portion 204 foremost of headset plug 200, and contact the 3rd connecting portion 203, second connecting portion 202 and the first connecting portion 201 successively.
Plug 200 is being inserted into the binding site in electric connector, when namely each splicing ear is electrically connected with corresponding connecting portion, plug 200 only relies on the elastic force of each spring connection terminal to be kept in electrical connectors.Under the effect of the non-imposed power such as gravity, vibration of plug self, the elastic holding force that may be applied on plug due to splicing ear is not enough and plug is departed from from electric connector.
Summary of the invention
For overcoming the defect of above-mentioned or other side of the prior art, the present invention proposes a kind of female type electric connector for being electrically connected with plug, and plug can be enable reliably to keep in electrical connectors.
The present invention further provides a kind of electric connector, insert at plug and extract in the process of electric connector, proximal connecting end and the contact of the distal connection of plug of electric connector can be avoided, the friction to proximal connecting end can be reduced, extend the life-span of proximal connecting end.
Embodiment according to an aspect of the present invention, provides a kind of electric connector, and for being electrically connected with a plug, described plug comprises at least one near-end connecting portion and a distal connection.Described electric connector comprises: a fixed insulation body; Multiple splicing ear, described multiple splicing ear to be arranged on described fixed insulation body insulated from each otherly and to be configured to be electrically connected respectively with at least one connecting portion described; And a locking device, be formed at the distal connection extruding described plug when described plug inserts position suitable in described electric connector, depart from described electric connector to stop described plug.
In above-mentioned electric connector, described locking device comprises: a removable insulator, and described removable insulator can move relative to described fixed insulation body under the driving of described plug; And at least one first elastic device, described first elastic device extends from described removable insulator towards described plug, to extrude the distal connection of described plug when described plug is inserted into described binding site.
In above-mentioned electric connector, each described first elastic device comprises: an adjutage, extends from described removable insulator towards described plug; And a strain portion, be arranged on the free end of described adjutage, described strain portion is formed at the distal connection extruding described plug when described plug is inserted into described binding site by there is strain.
In above-mentioned electric connector, described fixed insulation body comprises: a base portion; And two the first side arms, extend in the same side of described base portion.Described removable insulator comprises: a follower, be arranged between described two the first side arms, the adjutage of described first elastic device extends from described follower towards described plug, described follower drives described removable insulator to move towards described fixed insulation body under being formed at the driving of described plug, make described strain portion, when moving between the inner side of described first side arm and the distal connection of described plug with described follower, strain occur, to apply latching force to described distal connection.
In above-mentioned electric connector, the inner side of each described first side arm is provided with the first accommodation section of a depression, described first accommodation section is formed at forces described plug when described electric connector removes, to hold described strain portion, to remove described strain portion to the locking of described plug.
In above-mentioned electric connector, described removable insulator comprises further: a main part, and described follower is arranged on described main part; And two the second side arms, be separately positioned on the both sides of described main part, two described first side arms of described fixed insulation body are separately positioned between the both sides of described follower and two described second side arms, move relative to described fixed insulation body to guide described removable insulator.
In above-mentioned electric connector, the outside of each described the first side wall is provided with first maintaining part; Each described second side arm is provided with second maintaining part be combined with described first maintaining part, and described removable insulator and fixed insulation body can keep together by the combination of described second maintaining part and the first maintaining part.
In above-mentioned electric connector, described second maintaining part is formed as from the second inwardly outstanding elastic device of described second side arm; And described first maintaining part is formed as the recess corresponding with described second elastic device that cave in from the outside of described the first side wall.
In above-mentioned electric connector, each described second elastic device is formed by the metal clips be fixed in described second side arm.
In above-mentioned electric connector, the described latching force that described strain portion is applied to the distal connection of described plug when described strain portion is arranged between the inner side of described first side arm and the distal connection of described plug to be greater than when described second elastic device is attached to described recess described recess to the confining force of described removable insulator.
In above-mentioned electric connector, on the outside of each described second side arm, the position of contiguous described recess is provided with the second accommodation section of a depression, described second accommodation section was formed at described plug and holds described second elastic device when described electric connector removes, moved freely towards described fixed insulation body to stop described removable insulator.
In above-mentioned electric connector, at least one proximal connecting end in described splicing ear stretches out from two described first side arms respectively, and at least one Distal coupling end in described splicing ear stretches out between two described first side arms from described base portion.
Above-mentioned electric connector comprises multiple 3rd elastic device further, be fixedly mounted on described removable insulator, each described 3rd elastic device is formed in the process inserting described plug along with the mobile of described removable insulator drives corresponding described proximal connecting end to become from the State Transferring that leaves leaving described plug the status of electrically connecting be not electrically connected with corresponding proximal connecting portion.
In above-mentioned electric connector, each described proximal connecting end attached bag is drawn together: an electrical contacts, is configured to have the status of electrically connecting leaving and leave state described in described plug and be electrically connected with corresponding near-end connecting portion; A transition part, stretches out from described electrical contacts; And a maintaining part, being connected with described transition part, when described maintaining part is formed at the extruding being subject to corresponding 3rd elastic device, corresponding electrical contacts being become status of electrically connecting from leaving State Transferring.
In above-mentioned electric connector, each described 3rd elastic device comprises: an elastic arm, extends from described second side arm; And an insulated contact portion, be arranged on the free end of described elastic arm, for extruding described maintaining part.
In above-mentioned electric connector, described multiple splicing ear comprises a detection terminal further, and described detection terminal is configured to until just be electrically connected with in the near-end connecting portion of described plug and distal connection when described plug is inserted into the binding site in described electric connector and and described proximal connecting end is sub and in Distal coupling end one forms an electric loop.
In above-mentioned electric connector, described detection terminal is until Distal coupling end being just electrically connected with the end surface being positioned at a distal connection of distalmost end of described plug also when described plug is inserted into the binding site in described electric connector and being electrically connected with the described distal connection being positioned at distalmost end forms described electric loop.
In above-mentioned electric connector, described follower is provided with a joint portion, described joint portion is formed the faying face of the depression of mating with the distal surface of described plug.
In above-mentioned electric connector, described joint portion forms a through hole, described detection terminal passes described through hole to be electrically connected with the end surface of described plug.
In above-mentioned electric connector, described plug is the audio jack with 3 or 4 electrical connection sections.
According to the electric connector of above-mentioned various embodiment of the present invention, after plug is inserted in electric connector, plug is reliably locked in electrical connectors, thus avoids plug owing to being subject to self gravity or vibration and departing from from electric connector.Further, before plug is inserted in electric connector but distal surface does not also contact follower, proximal connecting end of fixed insulation body does not contact with any connecting portion of plug, put in place until plug inserts, proximal connecting end just contacts with the near-end connecting portion of plug, shorten proximal connecting end and the contact path of plug thus, decrease the friction to proximal connecting end, extend the life-span of proximal connecting end.
Accompanying drawing explanation
In order to make object of the present invention, feature and advantage more become apparent, below in conjunction with the drawings and specific embodiments, the invention will be further described, wherein:
Fig. 1 is the floor map of traditional audio jack that a kind of exemplary embodiment is shown;
Fig. 2 is the schematic perspective view of the electric connector that a kind of exemplary embodiment of the present invention is shown;
Fig. 3 is the schematic perspective view in the another kind of direction that electric connector shown in Fig. 2 is shown;
Fig. 4 is schematic perspective view when illustrating that plug inserts electric connector shown in Fig. 2, wherein partly shielding effect housing and SI semi-insulation housing cut;
Fig. 5 illustrates the schematic perspective view of the shield shell of electric connector shown in Fig. 2;
Fig. 6 is the schematic perspective view of the insulation shell that electric connector shown in Fig. 2 is shown;
Fig. 7 is schematic perspective view when inserting while plug portion is shown that in electric connector of the present invention, fixed insulation body is separated with removable insulator, and wherein for ease of for the purpose of understanding, part follower, partly shielding effect housing and SI semi-insulation housing are cut;
Fig. 8 is the vertical view that Fig. 7 is shown;
Fig. 9 is schematic perspective view when illustrating that plug inserts in electric connector of the present invention completely, and wherein for ease of for the purpose of understanding, part follower, partly shielding effect housing and SI semi-insulation housing are cut;
Figure 10 is the vertical view that Fig. 9 is shown;
Figure 11 illustrates the fixed insulation body of a kind of exemplary embodiment of the present invention and the schematic perspective view of splicing ear;
Figure 12 is the another kind of schematic perspective view that the fixed insulation body shown in Fig. 7 and splicing ear are shown;
Figure 13 is the schematic perspective view of the arrangement that the splicing ear be arranged in the fixed insulation body shown in Fig. 7 is shown;
Figure 14 illustrates the schematic perspective view in the another kind of direction of the splicing ear shown in Figure 13;
Figure 15 illustrates the schematic perspective view that the removable insulator of a kind of exemplary embodiment of the present invention and elastic device are observed from front;
Figure 16 is the schematic perspective view illustrating that the removable insulator shown in Figure 15 and elastic device are observed from the back side;
Figure 17 is the vertical view that the removable insulator shown in Figure 15 and elastic device are shown;
Figure 18 is the schematic perspective view that the elastic device shown in Figure 11 is shown; And
Figure 19 is the another kind of schematic perspective view that the elastic device shown in Figure 18 is shown.
Embodiment
Although fully describe the present invention with reference to the accompanying drawing containing preferred embodiment of the present invention, before this describes, should be appreciated that those of ordinary skill in the art can revise invention described herein, obtain technique effect of the present invention simultaneously.Therefore, Yan Weiyi discloses widely to those of ordinary skill in the art must to understand above description, and its content does not lie in restriction exemplary embodiment described in the invention.
The small electronic equipment of such as mobile phone, PDA, MP3, MP4, notebook computer, broadcast receiver and so on is can be applicable to according to the connector 100 of various exemplary embodiment of the present invention, for in use needing the plug 200 repeatedly plugged to be electrically connected with one, with transmission information between described electronic equipment and plug.In addition, plug of the present invention is also not limited only to be audio jack, can be any plug in an insertion direction with multiple spaced apart electrical connection section, such as, for transmitting the plug, charging plug etc. of data between two electronic equipments.
Electric connector of the present invention can be combined with plug 200 as shown in Figure 1.For ease of understanding, in the text, when being inserted into the binding site in electric connector at plug 200, the position of the jack 72 of the electric connector 100 in Fig. 3 is called " near-end ", position away from jack 72 is called " far-end ", and the direction consistent with the axial direction of plug 200 of electric connector is also called axial direction.Herein, described binding site to refer to that under this position plug 200 to be inserted in connector 100 and each splicing ear and corresponding connecting portion electric connector as much as possible, and namely plug inserts in electrical connectors and puts in place.
The invention provides a kind of electric connector 100, for being electrically connected with a plug 200 such as shown in Fig. 1.Plug 200 comprises at least one connecting portion, three near-end connecting portions 201,202 and 203 that these connecting portions are included in axially proximally (right-hand member in Fig. 1) arranges successively to far-end (left end in Fig. 1) and a distal connection 204.These connecting portions can be used for transmitting left channel signals, right-channel signals, ground signalling and microphone signal respectively.In other example, each connecting portion also can with other signal of telecommunication of different sequential delivery, and such as near-end connecting plate 203 can be used as charging terminal.Although illustrated the plug with 4 connecting portions in Fig. 1, the present invention is not limited thereto, and plug also can have 3 connecting portions being respectively used to transmit left channel signals, right-channel signals and ground signalling.
Fig. 7 is schematic perspective view when inserting while plug portion is shown that in electric connector of the present invention, fixed insulation body is separated with removable insulator, wherein for ease of for the purpose of understanding, partly shielding effect housing and SI semi-insulation housing cut; Fig. 8 is the vertical view that Fig. 7 is shown; Fig. 9 is schematic perspective view when illustrating that plug inserts in electric connector of the present invention completely, wherein for ease of for the purpose of understanding, partly shielding effect housing and SI semi-insulation housing cut; And Figure 10 is the vertical view that Fig. 9 is shown.
As is seen in figs 7-10, according to a kind of exemplary embodiment of the present invention, electric connector 100 comprises a fixed insulation body be made up of such as plastic material 1, four splicing ears 2 and a locking device.See Figure 11 and 12, multiple splicing ear 2 to be arranged on fixed insulation body 1 insulated from each otherly and to be configured to be electrically connected respectively with at least one connecting portion.Described locking device is formed at a distal connection 204 of extrusion pin when plug 200 inserts position suitable in electric connector 100, departs from electric connector 100 to stop plug 200.
In a kind of exemplary embodiment, as illustrated in figs. 11-14, each link extends different length from one end of fixed insulation body 1, thus forms three proximal connecting end 21,22 and 23 be electrically connected respectively with three near-end connecting portions 201,202 and 203 of plug 200 and described Distal coupling end 24 be electrically connected respectively with a distal connection 204.These splicing ears 2 be made up of metal material can adopt Shooting Technique to be molded in fixed insulation body 1.
Be appreciated that as shown in Figure 8, the distance of the jack 72 (Fig. 3) of the free end distance electrical connection 100 of four splicing ears lengthens successively.In the above-described embodiments, nearer three splicing ears of chosen distance jack 72 as proximal connecting end 21,22 and 23, and using distance jack 72 splicing ear farthest as Distal coupling end 24.But the present invention is not limited thereto, can using 1 or two splicing ears as proximal connecting end, and using remaining splicing ear as Distal coupling end, simultaneously using 1 of plug 200 or two connecting portions as near-end connecting portion, and using remaining 3 or two connecting portions as distal connection.
According to exemplary embodiment of the present invention, as seen in figs. 15-17, locking device comprises: a removable insulator be made up of such as plastic material 3 and at least one first elastic device 45.Removable insulator 3 can move relative to fixed insulation body 1 under the driving of plug 200.First elastic device 45 extends from removable insulator 3 towards plug 200, with the distal connection 204 of the extrusion pin 200 when plug 200 is inserted into binding site in electrical connectors, thus is relatively locked in securely in electric connector 100 by plug 200.Further, each first elastic device 45 comprises: an adjutage 451, extends from removable insulator 3 towards plug 200; And a strain portion 452, be arranged on the free end of adjutage 451, strain portion 451 is formed at the distal connection 204 passing through to occur strain and extrusion pin 200 when plug 200 is inserted into binding site.
According to the further embodiment of electric connector of the present invention, as shown in FIG. 11 and 12, fixed insulation body 1 comprises one perpendicular to the base portion 12 of axis direction extension and two the first side arms 13 in the same side of base portion 12 extension.As shown in figure 15, removable insulator 3 comprises a follower 31, described follower 31 is arranged between two the first side arms 13, the adjutage 451 of the first elastic device 45 extends from follower 31 towards plug, follower 31 drives removable insulator 3 to move towards fixed insulation body 1 under being formed at the driving of plug 200, making strain portion 452, when moving between the inner side of the first side arm 13 and the distal connection 204 of plug 200 with follower 31, strain occur, applying latching force with distally connecting portion 204.
Usually, distal connection 204 due to plug 200 has the taper type that distally diameter increases gradually, when distal connection 204 is subject to the extruding in strain portion 452, if do not apply enforceable external force, plug 200 can not depart from from electric connector 100 due to the gravity of self or vibration.Therefore, plug 200 can firmly be locked in electric connector 100 by the first elastic device 45.It should be noted that, Fig. 7-10 eliminates follower 31.
In a further embodiment, as shown in Fig. 8 and 10-12, the inner side of each first side arm 13 is provided with the first accommodation section 131 of a depression, described first accommodation section 131 is formed at when plug 200 removes from described electric connector 100 and holds strain portion 452, to remove the locking of the 452 pairs of plugs 200 in strain portion and to stop removable insulator 3 to move freely towards fixed insulation body 1, can allow like this with less power, plug 200 to be extracted from electric connector 100.In alternative embodiments, when plug 200 removes from electric connector 200, one in strain portion 452, against the free end of living corresponding first side arm 13, moves freely towards fixed insulation body 1 to stop described removable insulator 3.
With reference to Fig. 7-10,15-17, removable insulator 3 also comprises: a main part 32, and follower 31 is arranged on main part 32; And two the second side arms 33 and 34, described second side arm 33 and 34 is separately positioned on the both sides of main part 32, two the first side arms 13 of fixed insulation body 1 are separately positioned between the both sides of follower 31 and two the second side arms 33 and 34, move relative to fixed insulation body 1 to guide removable insulator 3.
According to the further exemplary embodiment of electric connector 100 of the present invention, as shown in Figure 15 and 17, each second side arm 33 and 34 is provided with second maintaining part.Correspondingly, as shown in FIG. 11 and 12, the both sides of fixed insulation body 1 are respectively equipped with first maintaining part be combined with described second maintaining part, and removable insulator 3 can keep together with fixed insulation body 1 by the combination of described second maintaining part and the first maintaining part.More specifically, the second maintaining part is formed as from the second inwardly outstanding elastic device 44 of the second side arm 33 and 34; And first maintaining part be formed as the recess 11 that caves in from the both sides of fixed insulation body 1.As shown in Figure 10, along with the movement of removable insulator 3, the second elastic device 44 can be attached in recess 11 by strain, thus is kept together with keeping 1 relative securement with fixed insulation body by removable insulator 3.In this state, if do not have mandatory external force, removable insulator 3 can not move relative to fixed insulation body 1 due to the gravity of self or vibration.In a kind of exemplary embodiment, two the second elastic devices 44 are formed by the metal clips be fixed in the second side arm 33 and 34.As shown in Figures 18 and 19, three the 3rd elastic devices 41,42 and 43 and two the second elastic devices 44 can be formed by single metal sheet.
In the present invention, the latching force that strain portion 452 is applied to the distal connection 204 of plug 200 when strain portion 452 is between the inner side and the distal connection 204 of plug 200 of the first side arm 13 to be greater than when the second elastic device 44 is attached in recess 11 recess 11 to the confining force of removable insulator 3.Like this, forcibly to pull the plug out of the socket 200 time, first the second elastic device 44 will depart from recess 11, thus allow removable insulator 3 and strain portion 452 to move away from fixed insulation body 1 with plug 200.After strain portion 452 arrives the first accommodation section 131, strain portion 452 partly will enter into the first accommodation section 131, thus the locking removed the distal connection 204 of plug 200, allow with less power, plug 200 to be departed from further from electric connector 100.
Similarly, on the outside of each first side arm 13, the position of contiguous recess 11 is provided with the second accommodation section 14 of a depression, described second accommodation section 14 was formed at plug 200 and holds the second elastic device 44 when described electric connector 100 removes, moved freely towards fixed insulation body 1 to stop removable insulator 3.In alternative embodiments, when plug 200 removes from described electric connector 100, one in the second elastic device 44, against the free end of living corresponding first side arm 13, moves freely towards fixed insulation body 1 to stop removable insulator 3.
Like this, when plug 200 does not insert in electric connector 100, strain portion 452 and the second elastic device 44 are contained in the first accommodation section 131 and the second accommodation section 14 respectively, thus stop removable insulator 3 to move freely towards fixed insulation body 1, maintain the stability of removable insulator 3.
See such as 11 and 12, three proximal connecting end 21,22 and 23 in splicing ear stretch out from two the first side arms 13 respectively, and Distal coupling end 24 in splicing ear stretches out between two the first side arms 13 from base portion 12.Such as, two proximal connecting end 21 and 23 stretch out from first side arm 13, and another one proximal connecting end 22 stretches out from another one first side arm 12.
Three the 3rd elastic devices 41,42 and 43 be fixedly mounted on removable insulator 3 are also comprised according to electric connector of the present invention.Each 3rd elastic device 41,42 or 43 is formed in the process inserting plug 200 along with the mobile of removable insulator 3 drives corresponding proximal connecting end 21,22 or 23 to become from the State Transferring that leaves leaving described plug the status of electrically connecting be electrically connected respectively with corresponding near-end connecting portion 201,202 or 203.Further, before Distal coupling end 24 is electrically connected with a distal connection 204 of plug 200, each proximal connecting end 21,22 or 23 leaves the near-end connecting portion 201,202 or 203 of corresponding plug 200; After Distal coupling end 24 is electrically connected with a distal connection 204 respectively, each proximal connecting end 21,22 or 23 is electrically connected with corresponding near-end connecting portion 201,202 or 203.3rd elastic device 41,42 and 43 is arranged on two the second side arms 33 and 34 respectively.Such as, the 3rd elastic device 42 is fixed on second side arm 33, and two other the 3rd elastic device 43 and 41 is fixed on another the second side arm about 34 position.
In exemplary embodiment more specifically, see Figure 13-14, each proximal connecting end 21,22 or 23 comprises an electrical contacts 211,221 or 231, transition part 212,222 or 232 and a maintaining part 213,223 or 233.Each electrical contacts 211,221 or 231 is configured to have the state of leaving (Fig. 8) leaving plug 200 and the status of electrically connecting (Figure 10) be electrically connected with corresponding near-end connecting portion 201,202 or 203.Transition part 212,222 or 232 stretches out from electrical contacts 211,221 or 231 away from axial direction.Maintaining part 213,223 or 233 is connected with transition part 212,222 or 232, when maintaining part 213,223 or 233 is formed at the extruding being subject to corresponding 3rd elastic device 41,42 or 43, corresponding electrical contacts 211,221 or 231 is become status of electrically connecting from leaving State Transferring.As shown in the figure, because transition part 212,222 or 232 stretches out from electrical contacts 211,221 or 231 away from axial direction, the distance of maintaining part 213,223 or 233 and central axis is made to be greater than the distance of electrical contacts 211,221 or 231 and central axis.
Corresponding with the electrical contacts of proximal connecting end, transition part and maintaining part, each 3rd elastic device 41,42 or 43 comprises an elastic arm 411,421 or 431 and an insulated contact portion of being made up of insulating material 412,422 or 432.Elastic arm 411,421 or 431 extends from second side arm 33 or 34 of removable insulator 3, insulated contact portion 412,422 or 432 is arranged on the free end of elastic arm 411,421 or 431, for extruding the maintaining part 213,223 or 233 of near-end splicing ear in the process of fixed insulation body 1 movement at removable insulator 3, thus electrical contacts 211,221 or 231 is made to convert the status of electrically connecting (Figure 10) be electrically connected with corresponding near-end connecting portion 201,202 or 202 to from the state of leaving (Fig. 8) leaving plug 200.
According to the further exemplary embodiment of electric connector 100 of the present invention, see Figure 13 and 14, multiple splicing ear 2 comprises a detection terminal 25 further, and described detection terminal 25 is configured to until just be electrically connected with in the near-end connecting portion of plug 200 and distal connection when plug 200 is inserted into the binding site in electric connector 100 and and described proximal connecting end is sub and in Distal coupling end one forms an electric loop.More specifically, detection terminal 25 is until Distal coupling end 24 being just electrically connected with the end surface 206 (Fig. 1) being positioned at a distal connection 204 of distalmost end of plug 200 also when plug 200 is inserted in electric connector 100 completely and being electrically connected with distal connection 204 forms electric loop.Be appreciated that, checkout gear is provided with in the electronic equipment for installing electric connector 100, this checkout gear can detect the electric loop be made up of distal connection 201 and Distal coupling end 21 and connect, thus shows that plug 200 has been inserted completely in electric connector 100.On the contrary, if checkout gear detects that this electric loop is not also connected, then show that plug 200 is not also inserted into binding site, or show that fault has appearred in plug or electric connector.
See Fig. 7-10 and 15, the follower 31 of removable insulator 3 is provided with a joint portion 311 (Figure 15), described joint portion 311 is formed the faying face of the depression of mating with the distal surface 206 of plug 200.When plug 200 is inserted into the binding site in electrical connection 100, when namely each splicing ear is electrically connected respectively to the corresponding connecting portion of plug 200, plug 200 stably can be remained in electric connector 100.Further, see Figure 15, joint portion 311 forms a through hole 312, described detection terminal 25 is through described through hole 312, when plug 200 is inserted into the binding site in electrical connection 100, detection terminal 25 is electrically connected with the end surface 206 of plug 200, thus test plug 200 inserts state in place.It should be noted that, for clarity sake, eliminate follower 31 in Fig. 7-10, and show the support base 46 for connecting the first elastic device 45 be fixed in follower 31.
As depicted in figs. 18-19, in a kind of exemplary embodiment of the present invention, three the 3rd elastic device 41-43, two the second elastic devices 44 and two the first elastic devices 45 can be formed on the framework 4 be made up of unitary piece of metal sheet.Framework 4 comprise main part 48, two of main part 48 with vertically extending two support arms 47 in longitudinal side of centerline axis parallel and in the centre position of a cross side of main part a vertically extending support base 46.Three the 3rd elastic device 41-43 and two the second elastic devices 44 are respectively formed on two support arms 47 integratedly, and two the first elastic devices 45 are formed in support base 46.Framework 4 can adopt such as molding process to be fixed in removable insulator 3, wherein support arm 47 is separately fixed in the second side arm 33 and 34, support base 46 is fixed in follower 31, and the main part 48 of framework 4 is fixed on the bottom of the main part 32 of removable insulator 3.In the interchangeable embodiment of one, the sheet metal that three the 3rd elastic device 41-43, two the second elastic devices 44 and two the first elastic devices 45 also can be different is again made, and is fixed in removable insulator 3 in mode separated from one another.
Be appreciated that, even if the 3rd elastic device, the second elastic device and the first elastic device are formed on the framework 4 be made up of unitary piece of metal sheet, because the 3rd elastic device is contacted with proximal connecting end by insulated contact portion, make always to remain on electric insulating state between all near-end connecting portions of each plug 200 and framework 4.
See Fig. 2-6, electric connector 100 according to the present invention comprises an insulation shell 7 further, and fixed insulation body 1 and removable insulator 3 are arranged in insulation shell 7.The end of insulation shell 7 forms a jack 72 for allowing plug 200 to insert.Electric connector 100 also comprises the shield shell 8 that a metal material is made, and described shield shell 8 is arranged on the outside of insulation shell 7, to carry out electric screen to the connecting portion of splicing ear 2 and plug 200.Shield shell 8 and insulation shell 7 can adopt the mode of interference fit to be connected, and have waterproof, moisture-proof function to make electric connector.Shield shell 8 being also provided with multiple installation portion 81, being installed in electronic equipment for electric connector 200 such as being adopted the mode of welding or being threaded.
7-10 describes the operating process according to electric connector of the present invention with reference to the accompanying drawings.It should be noted that, in above-mentioned accompanying drawing, for the purpose of understanding, eliminate follower and excised SI semi-insulation housing and partly shielding effect housing.
See Fig. 7-8, when plug 200 does not insert in electric connector 100 or before plug 200 is inserted in electric connector 100 but distal surface 206 does not also contact follower, strain portion 452 and the second elastic device 44 are contained in the first accommodation section 131 and the second accommodation section 14 respectively, thus stop removable insulator 3 to move freely towards fixed insulation body 1, maintain the stability of removable insulator 3.Under the effect not having mandatory external force, removable insulator 3 can not move relative to fixed insulation body 1 due to the gravity of self or vibration.In the case, insulated contact portion 412, 422 or 432 are in and electrical contacts 211, 221 or 231 positions corresponding respectively, due to electrical contacts 211, 221 or 231 and the close together of central axis, make insulated contact portion 412, 422 or 432 almost with electrical contacts 211, 221 or 231 do not contact, each proximal connecting end 21, 22 and 23 are in the free state do not contacted with plug 200, i.e. near-end connecting portion 201, the electrical contacts of 202 and 203 is in vacant state freely, thus do not rub with any position of plug 200, reduce proximal connecting end 201, 202 and 203 there is the possibility damaged.
Afterwards, be inserted into by plug 200 in electric connector 100, when the distal surface 206 of plug 200 is just in time resisted against on the faying face of joint portion 311, plug 200 will promote removable insulator 3 by follower 31 and move relative to fixed insulation body 1.3rd elastic device 41,42 and 43 insulated contact portion 412,422 and 432 moves along the direction being parallel to axial direction with removable insulator 3 under the driving of plug 200, because three proximal connecting end 21,22 and 23 are not mobile, insulated contact portion 412,422 and 432 will move to corresponding maintaining part 213,223 and 233 respectively gradually by corresponding transition part 212,222 and 232.Because the distance of maintaining part 213,223 and 233 distance center axis is larger, insulated contact portion 412,422 and 432 will extrude corresponding maintaining part 213,223 and 233, and electrical contacts 211,221 and 231 is electrically connected to the corresponding near-end connecting portion 201,202 and 203 of plug 200 respectively.
See Fig. 9-10, if continue insert plug 200, plug 200 will continue promotion removable insulator 3 move towards fixed insulation body 1.In the process, between the inner side that strain portion 452 moves to the first side arm 13 with the follower 31 of removable insulator 3 and the distal connection 204 of plug 200, there is strain in strain portion 452, thus is firmly locked in electric connector 100 by plug 200.In the case, if do not apply enforceable external force, plug 200 can not depart from from electric connector 100 due to the gravity of self or vibration.Meanwhile, along with the movement of removable insulator 3, the second elastic device 44 is attached in recess 11 by strain, thus is kept together with keeping 1 relative securement with fixed insulation body by removable insulator 3.In this state, if do not have mandatory external force, removable insulator 3 can not move relative to fixed insulation body 1 due to the gravity of self or vibration.In this case, electrical contacts 211,221 and 231 is still electrically connected to the corresponding near-end connecting portion 201,202 and 203 of plug 200 respectively.
When plug 200 is extracted electric connector 100, the latching force being applied to the distal connection 204 of plug 200 due to the strain portion 452 when strain portion 452 is between the inner side and the distal connection 204 of plug 200 of the first side arm 13 to be greater than when the second elastic device 44 is attached in recess 11 recess 11 to the confining force of removable insulator 3.Like this, forcibly to pull the plug out of the socket 200 time, first second elastic device 44 will depart from recess 11, thus allow removable insulator 3 and strain portion 452 to move away from fixed insulation body 1 with plug 200, the extruding that insulated contact portion 412,422 and 432 will remove corresponding maintaining part 213,223 and 233, makes electrical contacts 211,221 and 231 leave the corresponding near-end connecting portion 201,202 and 203 of plug 200 respectively.Leave the inner side of the first side arm 13 when strain portion 452 and after arriving the first accommodation section 131, the locking to the distal connection 204 of plug 200 will be removed, allowing plug 200 to depart from from electric connector 100 further.In this further detach procedure, electrical contacts 211,221 and 231 due to proximal connecting end 21,22 and 23 have left the corresponding near-end connecting portion 201,202 and 203 of plug 200, and end splicing ear 21,22 and 23 can not produce with any position of plug 200 and rub.When electric connector 100 extracted completely by plug 200, strain portion 452 and the second elastic device 44 are contained in the first accommodation section 131 and the second accommodation section 14 respectively, thus stop removable insulator 3 to move freely towards fixed insulation body 1, maintain the stability of removable insulator 3.
Plug of the present invention can be the audio jack in use needing repeatedly to plug, headset plug, the phono connector of such as 3.5 millimeters, can be to have the plug of 4 electrical contacts, have the plug etc. of 3 electrical contacts.
According to the electric connector of above-mentioned various embodiment of the present invention, after plug is inserted in electric connector, plug is reliably locked in electrical connectors, thus avoids plug owing to being subject to self gravity or vibration and departing from from electric connector.Further, before plug is inserted in electric connector but distal surface does not also contact follower, proximal connecting end of fixed insulation body does not contact with any connecting portion of plug, puts in place until plug inserts, and proximal connecting end just contacts with the near-end connecting portion of plug.Similarly, in the partial routine pulled the plug out of the socket, after Distal coupling end leaves distal connection electrical connection, proximal connecting end of fixed insulation body does not also contact with any connecting portion of plug.Shorten proximal connecting end and the contact path of plug thus, decrease the friction to proximal connecting end, extend the life-span of proximal connecting end.
It will be appreciated by those skilled in the art that, embodiment described above is all exemplary, and those skilled in the art can make improvements, independent assortment can be carried out when the conflict of the structure described in various embodiment in not recurring structure or principle, thus on the basis solving technical problem of the present invention, realize more kinds of electric connector.
After detailed description preferred embodiment of the present invention; those of ordinary skill in the art can clearly understand; various change and change can be carried out under the protection range not departing from claim of enclosing and spirit, and the present invention is not also limited to the execution mode of examples cited embodiment in specification.It should be noted that word " comprises " and do not get rid of other element or step, word "a" or "an" is not got rid of multiple.In addition, any element numbers of claim should not be construed as and limits the scope of the invention.
Claims (20)
1. an electric connector, for being electrically connected with a plug, described plug comprises at least one near-end connecting portion and a distal connection, and described electric connector comprises:
A fixed insulation body;
Multiple splicing ear, described multiple splicing ear to be arranged on described fixed insulation body insulated from each otherly and to be configured to be electrically connected respectively with at least one connecting portion described; And
A locking device, is formed at the distal connection extruding described plug when described plug inserts position suitable in described electric connector, departs from described electric connector to stop described plug.
2. electric connector as claimed in claim 1, wherein, described locking device comprises:
A removable insulator, described removable insulator can move relative to described fixed insulation body under the driving of described plug; And
At least one first elastic device, described first elastic device extends from described removable insulator towards described plug, to extrude the distal connection of described plug when described plug is inserted into described binding site.
3. electric connector as claimed in claim 2, wherein, each described first elastic device comprises:
An adjutage, extends from described removable insulator towards described plug; And
A strain portion, is arranged on the free end of described adjutage, and described strain portion is formed at the distal connection extruding described plug when described plug is inserted into described binding site by there is strain.
4. electric connector as claimed in claim 3, wherein,
Described fixed insulation body comprises:
A base portion; And
Two the first side arms, extend in the same side of described base portion;
Described removable insulator comprises:
A follower, be arranged between described two the first side arms, the adjutage of described first elastic device extends from described follower towards described plug, described follower drives described removable insulator to move towards described fixed insulation body under being formed at the driving of described plug, make described strain portion, when moving between the inner side of described first side arm and the distal connection of described plug with described follower, strain occur, to apply latching force to described distal connection.
5. electric connector as claimed in claim 4, wherein, the inner side of each described first side arm is provided with the first accommodation section of a depression, described first accommodation section is formed at forces described plug when described electric connector removes, to hold described strain portion, to remove described strain portion to the locking of described plug.
6. electric connector as claimed in claim 4, wherein, described removable insulator comprises further:
A main part, described follower is arranged on described main part; And
Two the second side arms, be separately positioned on the both sides of described main part, two described first side arms of described fixed insulation body are separately positioned between the both sides of described follower and two described second side arms, move relative to described fixed insulation body to guide described removable insulator.
7. electric connector as claimed in claim 6, wherein, the outside of each described the first side wall is provided with first maintaining part;
Each described second side arm is provided with second maintaining part be combined with described first maintaining part, and described removable insulator and fixed insulation body can keep together by the combination of described second maintaining part and the first maintaining part.
8. electric connector as claimed in claim 7, wherein, described second maintaining part is formed as from the second inwardly outstanding elastic device of described second side arm; And
Described first maintaining part is formed as the recess corresponding with described second elastic device caved in from the outside of described the first side wall.
9. electric connector as claimed in claim 8, wherein, each described second elastic device is formed by the metal clips be fixed in described second side arm.
10. electric connector as claimed in claim 9, wherein, the described latching force that described strain portion is applied to the distal connection of described plug when described strain portion is arranged between the inner side of described first side arm and the distal connection of described plug to be greater than when described second elastic device is attached to described recess described recess to the confining force of described removable insulator.
11. electric connectors as claimed in claim 10, wherein, on the outside of each described second side arm, the position of contiguous described recess is provided with the second accommodation section of a depression, described second accommodation section was formed at described plug and holds described second elastic device when described electric connector removes, moved freely towards described fixed insulation body to stop described removable insulator.
12. electric connectors as described in any one in claim 4-11, wherein, at least one proximal connecting end in described splicing ear stretches out from two described first side arms respectively, and at least one Distal coupling end in described splicing ear stretches out between two described first side arms from described base portion.
13. electric connectors as claimed in claim 12, comprise multiple 3rd elastic device further, be fixedly mounted on described removable insulator, each described 3rd elastic device is formed in the process inserting described plug along with the mobile of described removable insulator drives corresponding described proximal connecting end to become from the State Transferring that leaves leaving described plug the status of electrically connecting be not electrically connected with corresponding proximal connecting portion.
14. electric connectors as claimed in claim 13, wherein,
Each described proximal connecting end attached bag is drawn together:
An electrical contacts, is configured to have the status of electrically connecting leaving and leave state described in described plug and be electrically connected with corresponding near-end connecting portion;
A transition part, stretches out from described electrical contacts; And
A maintaining part, is connected with described transition part, when described maintaining part is formed at the extruding being subject to corresponding 3rd elastic device, corresponding electrical contacts is become status of electrically connecting from leaving State Transferring.
15. electric connectors as claimed in claim 14, wherein, each described 3rd elastic device comprises:
An elastic arm, extends from described second side arm; And
An insulated contact portion, is arranged on the free end of described elastic arm, for extruding described maintaining part.
16. electric connectors as described in any one in claim 1-15, wherein, described multiple splicing ear comprises a detection terminal further, and described detection terminal is configured to until just be electrically connected with in the near-end connecting portion of described plug and distal connection when described plug is inserted into the binding site in described electric connector and and described proximal connecting end is sub and in Distal coupling end one forms an electric loop.
17. electric connectors as claimed in claim 16, wherein, described detection terminal is until Distal coupling end being just electrically connected with the end surface being positioned at a distal connection of distalmost end of described plug also when described plug is inserted into the binding site in described electric connector and being electrically connected with the described distal connection being positioned at distalmost end forms described electric loop.
18. electric connectors as claimed in claim 17, wherein, described follower is provided with a joint portion, described joint portion is formed the faying face of the depression of mating with the distal surface of described plug.
19. electric connectors as claimed in claim 18, wherein, described joint portion form a through hole, and described detection terminal passes described through hole to be electrically connected with the end surface of described plug.
20. electric connectors as claimed in claim 1, wherein, described plug is the audio jack with 3 or 4 electrical connection sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211911.4A CN104218384B (en) | 2013-05-31 | 2013-05-31 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211911.4A CN104218384B (en) | 2013-05-31 | 2013-05-31 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
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| CN104218384A true CN104218384A (en) | 2014-12-17 |
| CN104218384B CN104218384B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310211911.4A Expired - Fee Related CN104218384B (en) | 2013-05-31 | 2013-05-31 | Electric connector |
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| CN (1) | CN104218384B (en) |
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| CN108270104A (en) * | 2016-12-30 | 2018-07-10 | 富泰华工业（深圳）有限公司 | Anticreep Earphone joint and anticreep earphone interface |
| US10158202B2 (en) | 2016-10-13 | 2018-12-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Mobile terminal, earphone socket and method for manufacturing earphone socket |
| CN109640712A (en) * | 2016-03-25 | 2019-04-16 | 莱战略控股公司 | Including the aerosol delivery device with extension and the connector of receiving portion |
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| US20100130043A1 (en) * | 2008-11-21 | 2010-05-27 | Hon Hai Precision Industry Co., Ltd. | Audio jack having a contact with two sections separated with each other |
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| CN109640712A (en) * | 2016-03-25 | 2019-04-16 | 莱战略控股公司 | Including the aerosol delivery device with extension and the connector of receiving portion |
| CN106505358A (en) * | 2016-10-13 | 2017-03-15 | 广东欧珀移动通信有限公司 | The manufacture method of mobile terminal, earphone base and earphone base |
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| Publication number | Publication date |
|---|---|
| CN104218384B (en) | 2016-12-28 |
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