CN203466391U - Switch terminal and electric connector thereof - Google Patents
Switch terminal and electric connector thereof Download PDFInfo
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- CN203466391U CN203466391U CN201320494716.2U CN201320494716U CN203466391U CN 203466391 U CN203466391 U CN 203466391U CN 201320494716 U CN201320494716 U CN 201320494716U CN 203466391 U CN203466391 U CN 203466391U
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- adjutage
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Abstract
The utility model discloses a switch terminal and an electric connector thereof. The switch terminal comprises a static terminal and a moving terminal arranged opposite to the static terminal, wherein the static terminal includes a first contact portion; the moving terminal includes a second fixed portion, an elastic arm extends from the second fixed portion to form a first extension arm and a second extension arm, the first extension arm is equipped with a insulation portion, the second extension arm includes a second contact portion, and the distance between the second contact portion and the second fixed portion is greater than that between the insulation portion and the second fixed portion; and when the insulation portion is pushed, the first extension arm drives the second extension arm via the elastic arm so that the second contact portion maintains contact with or is disconnected from the first contact portion. When the insulation portion is pushed to move for a relatively short distance, the second contact portion can move for a relatively long distance, so that contact of the switch terminal is relatively sensitive; and the second extension arm can partially utilize the length of the first extension arm, so that it is ensured that the length of the electric connector is relatively low even if the second extension arm is longer than the first extension arm.
Description
Technical field
The utility model relates to switch terminal and electric connector thereof, espespecially a kind of audio class electric connector with switch terminal.
Background technology
The many a kind of socket connectors as disclosed in Chinese patent CN200420067706.1 of audio class connector that current industry is conventional, in described socket connector, be provided with an insulating body, the centre of described insulating body is provided with a circular spliced eye, for a docking voice plug, inserts.The surrounding of described circular spliced eye is provided with a plurality of signal terminals, and pair of switch terminals, described switch terminal comprises moved end and certain terminal, described moved end is provided with an insulator and convexedly stretches in described circular spliced eye, under initial condition, between described moved end and described fixed end, does not contact.When described docking voice plug inserts described circular spliced eye, described docking voice plug supports described insulator, drives described moved end to determine terminal movable towards described, finally makes described moved end be connected on of described fixed end, thereby make described switch terminal conducting, realize the function of switch.
Described moving terminal ends is provided with a contact site and describedly determines termination contact, described insulator is positioned near described contact site, when promoting described insulator, need to promote described insulator determines the larger distance of terminal movable and just can make described contact site touch described fixed end towards described, therefore when described docking voice plug inserts, it is slow that described moved end moves to described fixed end, cannot when described insulator moves small distance, just can make described moving termination contact to described fixed end, make described switch terminal insensitive.
For the problems referred to above, having a kind of settling mode is that described moved end is extended to larger length, therefore its end is away from described insulator, when described docking voice plug inserts described circular spliced eye, described docking voice plug promotes described insulator, because described contact site is away from described insulator, therefore when described insulator moves small distance, described contact site is with regard to removable larger distance, thereby determine termination contact with described, this design can make its contact gear ratio sensitiveer, yet described in this contact need, the length of insulating body also increases with the increase of the length of described moved end, the length of whole described electric connector increases, do not meet current frivolous little development trend.
Therefore, be necessary to design a kind of switch terminal and electric connector thereof of improvement, to overcome the problems referred to above.
Summary of the invention
The problem facing for background technology, the purpose of this utility model is to provide a kind of and not only can guarantees the sensitive contact of switch terminal but also can make switch terminal and the electric connector thereof that electric connector is less.
For achieving the above object, the utility model adopts following technological means:
A kind of switch terminal, comprise certain terminal, described fixed end has one first contact site, one moved end is oppositely arranged with described fixed end, described moved end has one second fixed part, from described the second fixed part, extend an elastic arm, described elastic arm extends respectively one first adjutage and one second adjutage, described the first adjutage is provided with an insulation division, described the second adjutage has one second contact site, distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described fixed part, when promoting described insulation division, described the first adjutage drives described the second adjutage via described elastic arm, make described the second contact site and described the first contact site keep in touch or disconnect.
Further, the bearing of trend of described the first adjutage is identical with the bearing of trend of described the second adjutage, and described the second adjutage extends brachium than described first.
Further, described the second fixed part forms one second weld part downwards away from one end bending of described elastic arm, between described the second weld part and described the second fixed part, be provided with a support division, described support division is less than described the second weld part to the length of downward-extension to the length of downward-extension.
Further, between described support division and described the second weld part, be provided with a groove.
Further, described insulation division is shaped in described the first adjutage.
Further, described fixed end is positioned at the end of described the first adjutage, and has a spacing between described the first adjutage end and described fixed end.
Further, described insulation division is provided with a guiding face.
A kind of electric connector, comprise an insulating body, a plurality of signal terminals are located in described insulating body, certain terminal, described fixed end has one first contact site, one moved end is oppositely arranged with described fixed end, described moved end has one second fixed part, from described the second fixed part, extend an elastic arm, described elastic arm extends respectively one first adjutage and one second adjutage, described the first adjutage is provided with an insulation division, described the second adjutage has one second contact site, distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described the second fixed part, when promoting described insulation division, described the first adjutage drives described the second adjutage via described elastic arm, make described the second contact site and described the first contact site keep in touch or disconnect.
Further, the bearing of trend of described the first adjutage is identical with the bearing of trend of described the second adjutage, and described the second adjutage extends brachium than described first.
Further, described fixed end is positioned at the end of described the first adjutage, and has a spacing between described the first adjutage end and described fixed end.
Further, described the second fixed part forms one second weld part downwards away from one end bending of described elastic arm, between described the second weld part and described the second fixed part, be provided with a support division, described support division is less than described the second weld part to the length of downward-extension to the length of downward-extension.
Further, between described support division and described the second weld part, be provided with a groove.
Further, described insulating body is provided with a spliced eye, and described moved end is located at a side of described spliced eye, and described insulation division convexedly stretches in described spliced eye.
Further, described insulating body is provided with one first space of stepping down and is positioned at described insulation division away from a side of described spliced eye, and one second the space of stepping down be positioned at the end of described the second contact site, described first allows bit space and described second allow bit space all not run through described insulating body.
Further, described in each, signal terminal is all identical, has a base portion, from one end of described base portion, bends an elastic portion, and the end of described elastic portion is provided with a contact site, from the bending of the other end edge of described base portion, extends a weld part.
Further, described insulating body is provided with a plurality of accepting grooves in order to accommodate described signal terminal, described fixed end and described moved end, and at least one side of described accepting groove runs through described insulating body and forms observation groove.
Compared with prior art, the utlity model has following beneficial effect:
Described moved end has described the second fixed part, from described the second fixed part, extend described elastic arm, described elastic arm extends respectively one first adjutage and one second adjutage, described the first adjutage is provided with an insulation division, described the second adjutage has one second contact site, distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described the second fixed part, when promoting described insulation division, described the first adjutage drives described the second adjutage via described elastic arm, described the second contact site is kept in touch or separated with described the first contact site.Because the distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described fixed part, therefore when the described insulation division of promotion moves small distance, the removable larger distance of described the second contact site, therefore described moved end can leave the sub-larger distance in described fixed end, or described moved end can touch described fixed end faster, makes the contact of described switch terminal sensitiveer.Described the second adjutage can partly utilize the length of described the first arm simultaneously, even if described the second adjutage is longer than described the first adjutage, the length of described electric connector also can guarantee less.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of the utility model electric connector;
Fig. 2 is the three-dimensional combination figure of the utility model electric connector;
Fig. 3 is the stereogram that the utility model electric connector partly dissects;
Fig. 4 is the cutaway view of the utility model voice plug while not inserting electric connector;
Fig. 5 is the side sectional view of Fig. 4;
Cutaway view when Fig. 6 is the utility model voice plug insertion electric connector;
Fig. 7 is the side sectional view of Fig. 6.
The drawing reference numeral explanation of embodiment:
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[embodiment]
For ease of better understanding the purpose of this utility model, structure, feature and effect etc., existing the utility model is described in further detail with embodiment by reference to the accompanying drawings.
As Fig. 1, the utility model electric connector 100 comprises an insulating body 1, and a plurality of signal terminals 2 and pair of switch terminals are located in described insulating body 1.
As Fig. 1, described insulating body 1 has a circular spliced eye 11, described spliced eye 11 runs through described insulating body 1 backward from the front end of described insulating body 1, and the both sides of described spliced eye 11 are provided with a plurality of accepting grooves 12 and accommodate described signal terminal 2 and described switch terminal.The upper surface of described insulating body 1 is run through in described accepting groove 12 upper ends, forms and observes groove, uses the start situation of observing described signal terminal 2 and described switch terminal for user.Described insulating body 1 is provided with one first allows bit space 13 and one second allow bit space 14, providing described switch terminal to move steps down, described first allows bit space 13 be positioned at the side of described spliced eye 11, described second allows bit space 14 be positioned at the rearward end of described spliced eye 11, described first allows bit space 13 and described second allow bit space 14 all not run through side or the rear end face of described insulating body 1, and therefore described insulating body 1 can keep good intensity.
As Fig. 1 and Fig. 2, described signal terminal 2 is provided with four, and wherein three described signal terminals 2 are located at the same side of described spliced eye 11, and described in each, signal terminal 2 shapes are all identical, while therefore manufacturing, can only open a mold, and then saves cost.Described signal terminal 2 has a vertical base portion 21, the both sides of described base portion 21 are provided with a plurality of burs 211 and are fixed in described accepting groove 12, an elastic portion 22 is extended in the lower end of described base portion 21 upwards bending, described elastic portion 22 is roughly parallel with described base portion 21, the end of described elastic portion 22 is convexly equipped with a contact site 23 and convexedly stretches in described spliced eye 11, described contact site 23 is provided with two guide ramp 231, forms a contact cusp 232 between described guide ramp 231.The lateral margin of described base portion 21 is through the sidewall of described insulating body 1, and bending is to downward-extension one weld part 24, between described weld part 24 and described base portion 21, be provided with a support division 25, described support division 25 is less than described weld part 24 to the length of downward-extension to the length of downward-extension, be provided with a groove 26 between the two, when welding, described groove 26 can flow into for the scolder (not shown) at described weld part 24 places, prevents from climbing tin.
As Fig. 1 and Fig. 3, described switch terminal comprises certain terminal 3 and moved end 4.Described fixed end 3 is tabular, be located at the rear end of described insulating body 1, described fixed end 3 has one first fixed part 31 and is fixed in described insulating body 1, described the first fixed part 31 left sides are to downward-extension one first contact site 32, described the first fixed part 31 lateral margins pass described insulating body 1 sidewall to downward-extension one first weld part 33, between described the first weld part 33 and described the first contact site 32, have a gap 34.
As Fig. 1 and Fig. 3, described moved end son 4 is oppositely arranged with described fixed end 3, described moved end 4 is located at the side of described spliced eye 11, it has one second fixed part 41 and is fixed in described insulating body 1, described the second fixed part 41 lateral margin bendings are to downward-extension one second weld part 42, near described the second weld part 42, be provided with one second support division 43, described the second support division 43 is less than described the second weld part 42 to the length of downward-extension to the length of downward-extension, is provided with described groove 26 between the two.From described the second fixed part 41 elastic arm 44 that extends back, described elastic arm 44 bifurcateds extend one first adjutage 45 and one second adjutages 46, and described the first adjutage 45 is from the straight extension backward of described elastic arm 44, and its end and described fixed end are sub 3 corresponding.The spacing of being separated by between the end of described the first adjutage 45 and described fixed end 3, therefore described the first adjutage 45 can contact with described fixed end 3, can avoid described the first adjutage 45 when movement, to be subject to the restriction of described fixed end 3.On described the first adjutage 45, in its end vicinity, be provided with an insulation division 451, in the present embodiment, described insulation division 451 is shaped on described the first adjutage 45, and in other embodiments, described insulation division 451 also can be inserted on described the first adjutage 45.Described insulation division 451 convexedly stretches in described spliced eye 11, described insulation division 451 is located at described first away from a side correspondence of described spliced eye 11 and is allowed bit space 13, when described insulation division 451 is when described insulating body 1 side arm moves, described insulation division 451 can be contained in described first and allow bit space 13.Described the second adjutage 46 bends and extends to form downwards and backward from described elastic arm 44 ends, the bearing of trend of described the second adjutage 46 is identical with the bearing of trend of described the first adjutage 45, and described the second adjutage 46 development length is backward greater than the development length of described the first adjutage 45.Described the second adjutage 46 ends are provided with one second contact site 461 in order to contact with described first contact site 32 of described fixed end 3.Distance between described the second contact site 461 and described the second fixed part 41 is greater than the distance between described insulation division 451 and described the second fixed part 41, be that described the second contact site 461 is backward away from described insulation division 451, therefore when described insulation division 451 moves, the distance that described the second contact site 461 moves is greater than the distance that described insulation division 451 moves.Described the second contact site 461 enters described second through described gap 34 and allows in bit space 14, can allow the interior movement of bit space 14 described second.In the present embodiment, described insulation division 451 is positioned at the top of described the second contact site 461, in other embodiments, described insulation division 451 also can be located on described the second adjutage 46 that is positioned at below, therefore described insulation division 451 can be positioned at the below of described the second contact site 461, need to guarantee that the distance between described the second contact site 461 and described the second fixed part 41 is greater than the distance between described insulation division 451 and described the second fixed part 41.
As Fig. 2, described electric connector 100 is welded on a circuit board 200 to sink the mode of plate, described circuit board 200 is provided with a plurality of through holes 210, for described weld part 24, plant, described support division 25 and described the second support division 43 are all held in the surface of described circuit board 200 simultaneously, by regulating the height of described support division 25 and described the second support division 43, thereby can manufacture the described electric connector 100 of differing heights specification.
As Fig. 1, Fig. 4 to Fig. 7, described electric connector 100 use are for voice plug 300 docking, and described voice plug 300 is provided with four metal joints 310, and correspondence contacts with described four signal terminals 2 respectively.Under initial condition, described the second contact site 461 contacts with described the first contact site 32, and described switch terminal keeps normally off.Certainly, also can pass through as required the position of described first contact site 32 of the described fixed end of change 3, thereby make described switch terminal under initial condition keep often opening.When described voice plug 300 inserts described spliced eye 11, described voice plug 300 compresses described insulation division 451 and makes it enter described first to allow bit space 13, now away from described spliced eye 11, the direction towards the sidewall of described insulating body 1 moves described the first adjutage 45, drive described elastic arm 44 towards the sidewall distortion of described insulating body 1, and then drive described the second adjutage 46 to move towards the direction away from described spliced eye 11, make described the second contact site 461 away from described the first contact site 32, described the second contact site 461 allows the interior movement of bit space 14 described second, thereby described switch terminal is disconnected, reach the effect of switch.Because the distance between described the second contact site 461 and described the second fixed part 41 is greater than the distance between described insulation division 451 and described fixed part, be that described the second contact site 461 is backward away from described insulation division 451, therefore described moved end 4 is when mobile, therefore the distance of described the second contact site 461 displacements is greater than the distance of described insulation division 451 displacements, can be so that the contacting or disconnect sensitiveer of described moved end son 4 and described fixed end 3.And described the second adjutage 46 extends back from described elastic arm 44 ends, its bearing of trend is identical with the bearing of trend of described the first adjutage 45, therefore described the second adjutage 46 takies the length of described the first adjutage 45, when displacement, both can guarantee sensitivity, also can not increase the length of described the second adjutage 46, can make the length of described electric connector 100 keep less.
In sum, the utility model switch terminal and electric connector thereof have following beneficial effect:
(1) distance between described the second contact site 461 and described the second fixed part 41 is greater than the distance between described insulation division 451 and described the second fixed part, be that described the second contact site 461 is backward away from described insulation division 451, therefore described moved end 4 is when mobile, therefore the distance of described the second contact site 461 displacements is greater than the distance of described insulation division 451 displacements, can be so that the contacting or disconnect sensitiveer of described moved end son 4 and described fixed end 3.
(2) described the second adjutage 46 extends back from described elastic arm 44 ends, its bearing of trend is identical with the bearing of trend of described the first adjutage 45, therefore described the second adjutage 46 takies the length of described the first adjutage 45, when displacement, both can guarantee sensitivity, also can not increase the length of described the second adjutage 46, can make the length of described electric connector 100 keep less.
Upper detailed description is only the explanation of the preferred embodiment of the utility model, non-so limit to the scope of the claims of the present utility model, so the equivalence techniques that all this creation of utilization specifications and diagramatic content are done changes, and is all contained in the scope of the claims of the present utility model.
Claims (16)
1. a switch terminal, is characterized in that, comprising:
Certain terminal, described fixed end has one first contact site;
One moved end is oppositely arranged with described fixed end, described moved end has one second fixed part, from described the second fixed part, extend an elastic arm, described elastic arm extends respectively one first adjutage and one second adjutage, described the first adjutage is provided with an insulation division, described the second adjutage has one second contact site, distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described the second fixed part, when promoting described insulation division, described the first adjutage drives described the second adjutage via described elastic arm, make described the second contact site and described the first contact site keep in touch or disconnect.
2. switch terminal as claimed in claim 1, is characterized in that: the bearing of trend of described the first adjutage is identical with the bearing of trend of described the second adjutage, and described the second adjutage extends brachium than described first.
3. switch terminal as claimed in claim 1, it is characterized in that: described the second fixed part forms one second weld part downwards away from one end bending of described elastic arm, between described the second weld part and described the second fixed part, be provided with a support division, described support division is less than described the second weld part to the length of downward-extension to the length of downward-extension.
4. switch terminal as claimed in claim 3, is characterized in that: between described support division and described the second weld part, be provided with a groove.
5. switch terminal as claimed in claim 1, is characterized in that: described insulation division is shaped in described the first adjutage.
6. switch terminal as claimed in claim 1, is characterized in that: described fixed end is positioned at the end of described the first adjutage, and has a spacing between described the first adjutage end and described fixed end.
7. switch terminal as claimed in claim 1, is characterized in that: described insulation division is provided with a guiding face.
8. an electric connector, is characterized in that, comprising:
One insulating body;
A plurality of signal terminals are located in described insulating body;
Certain terminal, described fixed end has one first contact site;
One moved end is oppositely arranged with described fixed end, described moved end has one second fixed part, from described the second fixed part, extend an elastic arm, described elastic arm extends respectively one first adjutage and one second adjutage, described the first adjutage is provided with an insulation division, described the second adjutage has one second contact site, distance between described the second contact site and described the second fixed part is greater than the distance between described insulation division and described the second fixed part, when promoting described insulation division, described the first adjutage drives described the second adjutage via described elastic arm, make described the second contact site and described the first contact site keep in touch or disconnect.
9. electric connector as claimed in claim 8, is characterized in that: the bearing of trend of described the first adjutage is identical with the bearing of trend of described the second adjutage, and described the second adjutage extends brachium than described first.
10. electric connector as claimed in claim 8, is characterized in that: described fixed end is positioned at the end of described the first adjutage, and has a spacing between described the first adjutage end and described fixed end.
11. electric connectors as claimed in claim 8, it is characterized in that: described the second fixed part forms one second weld part downwards away from one end bending of described elastic arm, between described the second weld part and described the second fixed part, be provided with a support division, described support division is less than described the second weld part to the length of downward-extension to the length of downward-extension.
12. electric connectors as claimed in claim 11, is characterized in that: between described support division and described the second weld part, be provided with a groove.
13. electric connectors as claimed in claim 8, is characterized in that: described insulating body is provided with a spliced eye, and described moved end is located at a side of described spliced eye, and described insulation division convexedly stretches in described spliced eye.
14. electric connectors as claimed in claim 13, it is characterized in that: described insulating body is provided with one first space of stepping down and is positioned at described insulation division away from a side of described spliced eye, and one second the space of stepping down be positioned at the end of described the second contact site, described first allows bit space and described second allow bit space all not run through described insulating body.
15. electric connectors as claimed in claim 8, it is characterized in that: described in each, signal terminal is all identical, there is a base portion, from one end of described base portion, bend an elastic portion, the end of described elastic portion is provided with a contact site, from the bending of the other end edge of described base portion, extends a weld part.
16. electric connectors as claimed in claim 8, is characterized in that: described insulating body is provided with a plurality of accepting grooves in order to accommodate described signal terminal, described fixed end and described moved end, and at least one side of described accepting groove runs through described insulating body and forms observation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320494716.2U CN203466391U (en) | 2013-08-14 | 2013-08-14 | Switch terminal and electric connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320494716.2U CN203466391U (en) | 2013-08-14 | 2013-08-14 | Switch terminal and electric connector thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN203466391U true CN203466391U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320494716.2U Expired - Fee Related CN203466391U (en) | 2013-08-14 | 2013-08-14 | Switch terminal and electric connector thereof |
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| Country | Link |
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| CN (1) | CN203466391U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448274A (en) * | 2018-03-22 | 2018-08-24 | 维沃移动通信有限公司 | A kind of earphone socket, phone jack component and electronic equipment |
| CN108448273A (en) * | 2018-03-22 | 2018-08-24 | 维沃移动通信有限公司 | A kind of phone jack component and electronic equipment |
| CN108470996A (en) * | 2018-03-22 | 2018-08-31 | 维沃移动通信有限公司 | A kind of phone jack component and electronic equipment |
| CN108511933A (en) * | 2018-03-22 | 2018-09-07 | 维沃移动通信有限公司 | A kind of earphone socket, phone jack component and electronic equipment |
-
2013
- 2013-08-14 CN CN201320494716.2U patent/CN203466391U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448274A (en) * | 2018-03-22 | 2018-08-24 | 维沃移动通信有限公司 | A kind of earphone socket, phone jack component and electronic equipment |
| CN108448273A (en) * | 2018-03-22 | 2018-08-24 | 维沃移动通信有限公司 | A kind of phone jack component and electronic equipment |
| CN108470996A (en) * | 2018-03-22 | 2018-08-31 | 维沃移动通信有限公司 | A kind of phone jack component and electronic equipment |
| CN108511933A (en) * | 2018-03-22 | 2018-09-07 | 维沃移动通信有限公司 | A kind of earphone socket, phone jack component and electronic equipment |
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