CN201893454U

CN201893454U - Electric connector

Info

Publication number: CN201893454U
Application number: CN201020605237XU
Authority: CN
Inventors: 马明全
Original assignee: SHIYING INDUSTRY Co Ltd
Current assignee: SHIYING INDUSTRY Co Ltd
Priority date: 2010-11-11
Filing date: 2010-11-11
Publication date: 2011-07-06
Anticipated expiration: 2020-11-11

Abstract

The utility model provides an electric connector, which comprises a seat, a terminal set and a metal casing covered outside the seat. A slot is formed in a base of the seat, a guiding portion is convexly arranged on the inner wall surface of the slot, the terminal set provided with a conductive terminal and a contact terminal is positioned on the inner side of the slot, the conductive terminal is provided with a contact portion, an elastic arm which can contact with the contact portion in an abutted manner to form an electric conduction and closed circuit connection state and arranged on a base portion of the contact terminal extends towards an opening direction of the slot in a bent manner, when a splicing terminal of an external plug connector is inserted into the slot along the guiding portion, the splicing terminal can be abutted to the elastic arm of the contact terminal to generate outward deflection displacement, and an open circuit disconnection state is realized after the elastic arm is separated from the contact portion of the conductive terminal. The electric connector has functions of in-place detection or signal conversion, and can ensure signal transmission stability.

Description

Electric connector

Technical field

The utility model provides a kind of electric connector, especially the slot inboard that refers to pedestal inside is positioned with conducting terminal and contact terminal, make conducting terminal cooperate contact terminal to present the open circuit off-state for forming after the outside inserting terminal ejection to separate, put in place or the signal handoff functionality and have detecting, and can guarantee the stability of signal transmission.

Background technology

Along with the raising of epoch progress with standard of living, and the fast development of electronics, multimedia technology, make electronic product usage quantities such as television set, sound equipment, Video Recorder, image and sound optical disk machine, digital camera, home game machine, also significantly grow up with multiple year by year, and compatriots are also more and more exquisite to the requirement of amusement audio-visual equipment output, quality of the resolution of TV color and picture, sound equipment etc. for example, so have the good quality except audio-visual equipment itself need possess, its holding wire and signal converting are being played the part of considerable role first watch.

Moreover, generally as television set, Video Recorder, the Connection Element that video CD players etc. have the audio signal conversion is commonly referred to as RCA (Radio Corporation of America) changeover plug (RCA Jack or RCA Connector), and the coaxial wire that sells on the market mostly adopts the RCA plug, and cooperate the built-in RCA socket of audio-visual equipment to provide the input terminal of coaxial wire to insert, again by suitable control software, just can carry out analog video, analogue audio frequency, the transmission of digital audio and color difference components etc., only above-mentioned traditional RCA plug is plugged in the process of RCA socket, if the RCA plug is not inserted into the location, or being subjected to external force touches when producing the situation generation that gets loose improperly, because RCA socket inside there is no any detecting loop conducting that has is set, disconnect or to the detecting terminal of bit function or relevant arrangement for detecting, whether so that can't differentiate the RCA plug forms certain being electrically connected with the RCA socket, can only judge by feat of sensation in user's operating process and experience, just can have influence on the quality and stability of its signal transmission easily because of loose contact, or even the situation generation that the signal that causes can't transmit is smoothly interrupted in connection, therefore to how to design a kind of have can detect the RCA plug and whether inserted the electric connector that puts in place, the loose contact of not deriving really can prevent to peg graft, connect to interrupt problem that signal can't be transmitted smoothly, redesign effectively and solved and remain to be engaged in this journey dealer.

Summary of the invention

Therefore, the creator is because problem and the disappearance that existing electric connector uses, be to collect related data via assessing in many ways and consider, and utilize the research and development experience for many years of engaging in the industry constantly to study and revise, the beginning is designed the novel birth of this kind electric connector.

Main purpose of the present utility model is that the inboard place of the slot of pedestal inside is positioned with the terminal group of tool conducting terminal and contact terminal, when the inserting terminal of external plug connector when the guidance part at slot internal face place inserts, but the elastic arm of ejection on contact terminal produces beat displacement laterally, and form and to separate with contact site on the conducting terminal, after the open circuit off-state, detecting puts in place or the function of signal switching and have, and can prevent because of certain loose contact of deriving of external plug connector grafting, connect and interrupt making problems such as signal can't transmit smoothly, and can guarantee the stability of signal transmission.

Secondary objective of the present utility model is that the conducting terminal of terminal group is for cooperating the function that whether inserting terminal puts in place really or signal switches of contact terminal detecting external plug connector, after making the external plug connector be inserted into the location, can form electric the contact by inserting terminal and contact terminal, carry out the action of video signal or audio signal transmission again, be connected on the metal shell of pedestal outside simultaneously and form firmly engagement state closely by the metallic sheath ring set of external plug connector institute tool, and has the function of good earth, can avoid and other signal terminals, the electromagnetic interference that input terminal forms each other, and then reach the stability of lifting signal transmission and the effect of electromagnetic shielding.

During the elastic arm of the downward ejection of inserting terminal that a purpose more of the present utility model is the external plug connector on contact terminal, make its ejection end be subjected to being inserted in the short slot at slot opening internal face place after the ejection effect, can provide the displacement of elastic arm beat required distance and scope, and effectively save occupation space, make more miniaturization of pedestal, also can reduce the contact area of inserting terminal ejection on elastic arm by the location rib at elastic arm inner surface place, make inserting terminal can be easy to insert with increase slide support, the effect of electric contact.

In order to achieve the above object, the utility model provides a kind of electric connector, include the metal shell that pedestal, terminal group and cover are overlying on the pedestal outside, and the base interior of pedestal institute tool is formed with slot, and have the opening that can insert for external plug connector inserting terminal in slot one side, and the slot positioned internal has terminal group;

The slot internal face place of this pedestal convexes with guidance part, and terminal group includes conducting terminal and the contact terminal that is positioned the inboard place of slot, and contact site one side of conducting terminal institute tool extends outwardly and can pass the junction surface of pedestal outside, and in the base portion of contact terminal institute tool towards opening direction bending is extended with can support to be contacted with and forms electrically conducting on the contact site, the elastic arm of closed circuit connection status, base portion is provided with the junction surface that can pass the pedestal outside away from the side place in addition of elastic arm again, make inserting terminal be inserted in the elastic arm beat displacement laterally of ejection contact terminal in the slot, and form to separate with the contact site of conducting terminal and present the open circuit off-state along the guidance part side wall surface.

During enforcement, the guidance part vertical side wall of this pedestal is concave arc shape, and be positioned at two side places, guidance part below and vertically cut open and be provided with first and wear groove, second and wear groove, and be piercing in first respectively with junction surface on the conducting terminal of terminal group and the contact terminal and wear groove, second and wear the groove outside.

During enforcement, vertically cut open and be provided with scarfing slot at the slot opening internal face place of this pedestal, and the conducting terminal contact site two side places of terminal group are provided with the holding parts that can be fastened in the scarfing slot.

During enforcement, this pedestal is positioned at open outer side place, slot top and is provided with ring washer, and the metal shell top offers and can form the open-work that aligns with ring washer, and ring washer is for being positioned between pedestal and the metal shell.

During enforcement, the contact terminal elastic arm inner surface of this terminal group convexes with location rib, and is formed with and can and be the ejection end that expands outwardly shape for external plug connector inserting terminal ejection in the elastic arm top.

During enforcement, the conducting terminal contact site of this terminal group has extended in parallel spacer towards the junction surface direction, and between spacer and contact site, be formed with and be embedded in the support slot that pedestal guidance part periphery is a location, and be extended with one or more in the same way in elastic arm two sides of contact terminal and can support the support division that is contacted with on contact site and the spacer.

During enforcement, the conducting terminal contact site of this terminal group is flat, and bending is extended with one or more and can supports the support division that is contacted with on the contact site in the elastic arm of contact terminal towards the conducting terminal direction.

During enforcement, bend inwards on the conducting terminal contact site of this terminal group and be extended with contact jaw, and bending is extended with one or more and can supports the support division that is contacted with on the contact jaw in the elastic arm side of contact terminal towards the conducting terminal direction.

Compared with prior art, electric connector described in the utility model, especially the slot inboard that refers to pedestal inside is positioned with conducting terminal and contact terminal, make conducting terminal cooperate contact terminal to present the open circuit off-state for forming after the outside inserting terminal ejection to separate, put in place or the signal handoff functionality and have detecting, and can guarantee the stability of signal transmission.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a side cutaway view of the present utility model;

Fig. 4 uses preceding side cutaway view for the utility model preferred embodiment;

Fig. 5 is the side cutaway view of the utility model preferred embodiment after using;

Fig. 6 is the stereo appearance figure of another preferred embodiment of the utility model;

Fig. 7 is the utility model three-dimensional exploded view of a preferred embodiment again;

Fig. 8 is the three-dimensional exploded view of the another preferred embodiment of the utility model.

Description of reference numerals: 1-pedestal; The 11-pedestal; 111-receives wire casing; The 12-slot; The 121-opening; The 1211-scarfing slot; The 1212-short slot; The 122-guidance part; 123-first wears groove; 124-second wears groove; The 13-ring washer; The 2-terminal group; The 21-conducting terminal; The 211-contact site; The 2111-spacer; The 2112-support slot; The 2113-holding parts; The 2114-contact jaw; The 212-junction surface; The 22-contact terminal; The 221-base portion; The 2211-holding parts; The 222-elastic arm; The 2221-location rib; The 2222-support division; 2223-ejection end; The 223-junction surface; The 3-metal shell; The 31-open-work; The 4-cable; The 41-earth connection; The 5-pin connector; The 51-plug; The 52-inserting terminal; The 53-metal collar; The 54-cable.

Embodiment

For reaching above-mentioned purpose and structure, technological means that the utility model adopted and effect thereof, drawing illustrates in detail that with regard to preferred embodiment of the present utility model its structure is as follows with function, in order to understanding fully.

See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, be respectively the side cutaway view before stereo appearance figure of the present utility model, three-dimensional exploded view, side cutaway view and preferred embodiment are used, find out that by knowing among the figure the utility model is for including pedestal 1, terminal group 2 and metal shell 3, wherein:

This pedestal 1 is for having pedestal 11, and be formed with a slot 12 in pedestal 11 inside, and slot 12 1 sides have opening 121, slot 12 internal face places then inwardly convex with the guidance part 122 that the vertical side wall is concave arc shape, and vertically cut open to be provided with to be and connect first of shape and wear groove 123, second and wear groove 124 at the in addition side-lower two side places that are positioned at guidance part 122; Moreover pedestal 1 is positioned at slot 12 top openings 121 outsides and is provided with ring washer 13.

The slot 12 inboard places of this terminal group 2 for being positioned pedestal 1, and include conducting terminal 21 and can support and be contacted with the contact terminal 22 that forms electrically conducting, closed circuit connection status on the conducting terminal 21, wherein contact site 211 1 sides of 21 tools of conducting terminal extend outwardly and can pass first junction surface 212 of wearing groove 123 outsides, and the base portion 221 of 22 tools of contact terminal is extended with elastic arm 222 towards top opening 121 directions bendings, and is provided with away from the side place in addition of elastic arm 222 in base portion 221 and can passes second junction surface 223 of wearing groove 124 outsides.

Moreover, the contact site 211 of conducting terminal 21 towards the junction surface 212 directions for having extended in parallel spacer 2111, and between spacer 2111 and contact site 211, be formed with can be embedded in guidance part 122 peripheries be one the location support slot 2112, and elastic arm 222 inner surfaces of contact terminal 22 convex with location rib 2221, and are extended with one or more towards conducting terminal 21 directions bendings on the elastic arm 222 and can support the hanging shape support division 2222 that is contacted with on the contact site 211.

This metal shell 3 is overlying on pedestal 1 outside for cover, and offers and can form the open-work 31 that aligns with ring washer 13 in metal shell 3 tops.

When the utility model in when assembling, earlier the conducting terminal 21 and the contact terminal 22 of terminal group 2 are located for slot 12 inboards that are positioned pedestal 1 respectively, the holding parts 2113 that the contact site 211 2 side places of conducting terminal 21 are established is fastened in slot 12 openings 121 internal faces downwards and vertically cuts open in the scarfing slot of establishing 1211, and support to the location with the slippage under guidance part 122 2 side direction of contact site 211 and spacer 2111, make its support slot 2112 be embedded in guidance part 122 periphery places, the junction surface 212 that contact site 211 1 sides are extended outwardly is piercing in first of pedestal 1 and wears groove 123 outsides simultaneously, continue and be forced in slot 12 internal face places with the set holding parts 2211 of base portion 221 2 sides of contact terminal 22, and one or more support divisions 2222 that extend towards conducting terminal 21 directions bendings on the elastic arm 222 are supported be contacted with contact site 211, on the spacer 2111, and the junction surface 223 that makes base portion 221 other sides is piercing in second and wears groove 124 outsides, again metal shell 3 covers are overlying on pedestal 1 outside, the ring washer 13 of slot 12 outsides then is positioned between pedestal 1 and the metal shell 3, and the open-work 31 of metal shell 3 tops and ring washer 13 formation are aligned, be inserted in the slot 12 in order to external plug connector 5, just finish the assembling of the utility model integral body.

In addition, the utility model pedestal 1 can be piercing in first of pedestal 1 below by the junction surface 212,223 of conducting

terminal

21 and 22 tools of contact terminal respectively and wear groove 123, second and wear groove 124 outsides, and to utilize the mode firm engagement of welding with cable 4 only be a kind of preferable enforcement state, also can utilize the riveted joint pressing, punch through style terminal or other combinations mode and cable 4 fixings are firm, firm engagement becomes one, and form the good state that is electrically connected, also can be connected with the pin connector 5 of other end, promptly can be used as the RCA changeover plug and use by cable 4; In addition, pedestal 1 is positioned at pedestal 11 outsides and further is concaved with and receives wire casing 111, and with the earth connection 41 of cable 4 be inserted into receive in the wire casing 111 after, be welded in metal shell 3 inboard places again and form grounded circuit, and has the function of ground connection, such as the simple and easy modification and the equivalent structure that use the utility model specification and graphic content to do change, and all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

Please consult Fig. 2 simultaneously, Fig. 4, Fig. 5, shown in Figure 6, be respectively three-dimensional exploded view of the present utility model, side cutaway view before preferred embodiment is used, the side cutaway view after preferred embodiment is used and the stereo appearance figure of another preferred embodiment, find out by knowing among the figure, said external pin connector 5 is for having plug 51, and be equipped with the inserting terminal 52 that can convexedly stretch in outside the metal collar 53 in plug 51 centre, and place, inserting terminal 52 rears is equipped with cable 54, only relevant external plug connector 5 unitary constructions of this part are the category of prior art, and this thin portion constitutes non-this case utility model main points, does not remake now and gives unnecessary details.

And when using, earlier the plug 51 of external plug connector 5 and ring washer 13 formation of pedestal 1 top are aligned, make the inserting terminal 52 of its plug 51 centre pass the open-work 31 of metal shell 3 in regular turn, behind the ring washer 13, be inserted in downwards in the slot 12 by opening 121 places again, at this moment, inserting terminal 52 leading edges just can form on the ejection end 2223 that expands outwardly shape in contact terminal 22 elastic arms 222 tops in ejection, and be pushed in the slot 12 along guidance part 122 concave arc shape vertical side walls, and in the process that inserting terminal 52 pushes, elastic arm 222 produces beat displacement laterally after making the ejection end 2223 of contact terminal 22 be subjected to the ejection effect, also make simultaneously on the elastic arm 222 one or more support divisions 2222 of extending towards the bending of conducting terminal 21 directions respectively with the contact site 211 of conducting terminal 21, after spacer 2111 forms and separates, just can present the inserting terminal 52 that the open circuit off-state detects external plug connector 5 by the detecting loop that cable 4 connects and be inserted into slot 12 inside really, also can form with conducting terminal 21 and separate by contact terminal 22, the signal circuit that cable 4 is connected carries out the function that signal switches, therefore, whether the inserting terminal 52 that the conducting terminal 21 of the utility model terminal group 2 cooperates contact terminal 22 to have detecting external plug connector 5 puts in place or the signal handoff functionality really, and after treating that external plug connector 5 is inserted into the location, can form electric the contact with contact terminal 22 by inserting terminal 52, carry out the action of video signal or audio signal transmission again, and can prevent because of the loose contact of not deriving really of pegging graft, connect and interrupt making problems such as signal can't transmit smoothly, the metal collar 53 by external plug connector 5 is socketed on the metal shell 3 of pedestal 1 outside and forms firmly engagement state closely simultaneously, and has grounding function, can avoid and other signal terminals, the electromagnetic interference that input terminal forms each other, and then reach the stability of lifting signal transmission and the effect of electromagnetic shielding.

When the inserting terminal 52 downward ejections of external plug connector 5 are on the elastic arm 222 of contact terminal 22, make its ejection end 2223 be subjected to being inserted into after the ejection effect opening 121 internal face places can the short slot 1212 relative with scarfing slot 1211 in, provide elastic arm 222 to produce required distance of beat displacement laterally and scope by this, and can effectively save its occupation space, make the more miniaturization of volume of pedestal 1, and after making inserting terminal 52 be pushed in the slot 12 along guidance part 122, also can reduce inserting terminal 52 ejections in the contact area of elastic arm 222 by the location rib 2221 at elastic arm 222 inner surface places, making inserting terminal 52 can be easy to insert to increase to slide supports, the effect of electric contact, and can effectively reduce friction, the situation of scraping damage and different sound takes place.

Please arrange in pairs or groups and consult Fig. 2, Fig. 3, Fig. 5, Fig. 7, shown in Figure 8, be respectively three-dimensional exploded view of the present utility model, side cutaway view, side cutaway view after preferred embodiment is used, the three-dimensional exploded view of the three-dimensional exploded view of a preferred embodiment and another preferred embodiment again, find out by knowing among the figure, the utility model preferred embodiment is the slot 12 inboard places that are positioned pedestal 1 with the conducting terminal 21 of terminal group 2 and contact terminal 22, and in the contact site 211 of conducting terminal 21 212 directions are extended with spacer 2111 towards the junction surface, and be formed with support slot 2112 between spacer 2111 and the contact site 211, be main explanation and be extended with one or more support division 2222 towards the bending of conducting terminal 21 directions on the elastic arm 222 of contact terminal 22, but when practical application, then be not to be as limitation with this, make on its conducting terminal 21 and also can only have flat contact site 211, and can omit spacer 2111 and support slot 2112 structural designs (as shown in Figure 7), or can be in the contact of conducting terminal 21

Bend inwards in the portion 211 and be extended with contact jaw 2114, and elastic arm 222 sides of contact terminal 22 are extended with support division 2222 (as shown in Figure 8) towards the bending of conducting terminal 21 directions, when its inserting terminal 52 that external plug connector 5 only need be provided is inserted in the slot 12 of pedestal 1 along guidance part 122, but ejection beat displacement laterally on the elastic arm 222 of contact terminal 22, and form to separate with the contact site 211 of conducting terminal 21 and present the open circuit off-state, detecting puts in place or the signal handoff functionality gets final product and have.

Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the utility model, only this embodiment is not in order to limit claim of the present utility model, all other do not break away from the equalization of being finished under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the claim that the utility model contains.

In sum, the above-mentioned electric connector of the utility model is for reaching its effect and purpose really, so the utility model really is the utility model of a practicality excellence, meet the application important document of novel patent in fact, file an application in the whence in accordance with the law, expect that examining committee grants accurate this case early, ensureing creator's arduous utility model, if an ancient unit of weight office have any check doubtful, the indication of please writing to us without sparing, settled the doing one's utmost of creator cooperates, and the true feeling moral just.

Claims

1. electric connector, include the metal shell that pedestal, terminal group and cover are overlying on the pedestal outside, and the base interior of pedestal institute tool is formed with slot, and has the opening that can supply external plug connector inserting terminal to insert in slot one side, and the slot positioned internal has terminal group, it is characterized in that:

2. electric connector as claimed in claim 1, it is characterized in that, the guidance part vertical side wall of this pedestal is concave arc shape, and be positioned at two side places, guidance part below and vertically cut open and be provided with first and wear groove, second and wear groove, and be piercing in first respectively with junction surface on the conducting terminal of terminal group and the contact terminal and wear groove, second and wear the groove outside.

3. electric connector as claimed in claim 1 is characterized in that, vertically cut open and is provided with scarfing slot at the slot opening internal face place of this pedestal, and the conducting terminal contact site two side places of terminal group are provided with the holding parts that can be fastened in the scarfing slot.

4. electric connector as claimed in claim 1, it is characterized in that, this pedestal is positioned at open outer side place, slot top and is provided with ring washer, and the metal shell top offers and can form the open-work that aligns with ring washer, and ring washer is for being positioned between pedestal and the metal shell.

5. electric connector as claimed in claim 1, it is characterized in that, the contact terminal elastic arm inner surface of this terminal group convexes with location rib, and is formed with and can and be the ejection end that expands outwardly shape for external plug connector inserting terminal ejection in the elastic arm top.

6. electric connector as claimed in claim 1, it is characterized in that, the conducting terminal contact site of this terminal group has extended in parallel spacer towards the junction surface direction, and between spacer and contact site, be formed with and be embedded in the support slot that pedestal guidance part periphery is a location, and be extended with one or more in the same way in elastic arm two sides of contact terminal and can support the support division that is contacted with on contact site and the spacer.

7. electric connector as claimed in claim 1, it is characterized in that, the conducting terminal contact site of this terminal group is flat, and bending is extended with one or more and can supports the support division that is contacted with on the contact site in the elastic arm of contact terminal towards the conducting terminal direction.

8. electric connector as claimed in claim 1, it is characterized in that, bend inwards on the conducting terminal contact site of this terminal group and be extended with contact jaw, and bending is extended with one or more and can supports the support division that is contacted with on the contact jaw in the elastic arm side of contact terminal towards the conducting terminal direction.