CN203250928U

CN203250928U - Fool-proofing structure of electric connector

Info

Publication number: CN203250928U
Application number: CN 201320272539
Authority: CN
Inventors: 陈丽玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-17
Filing date: 2013-05-17
Publication date: 2013-10-23
Anticipated expiration: 2023-05-17

Abstract

The utility model provides a fool-proofing structure of an electric connector. A plurality of conductive terminals are arranged on a lingual plate at one side of a combination hub body; a butt joint space for insertion of a connecting plug is formed between a first housing covering and positioned outside the body and the lingual plate; the first housing is provided with a projection on a front internal face of the lingual plate; a slot for insertion of the lingual plate is formed among a pedestal of the connecting plug and two sidewalls; a plurality of abutting terminals are positioned on the pedestal; a second housing is positioned and covered outside the pedestal; and a recess for insertion of the projection is arranged inwardly on a leading edge of the second housing. The projection can block plugs of incompatible external electric connectors to prevent a power supply terminal from contacting a conductive terminal on the lingual plate, in order to avoid short circuit or burnout of internal electronic components of an output terminal electronic device due to introduction of load current or overcurrent during conduction. Therefore, the structure can ensure stability of integral signal transmission and has good fool-proofing function.

Description

The error-proof structure of electric connector

Technical field

The utility model provides a kind of error-proof structure of electric connector, espespecially the body exterior of butt-joint socket institute tool is positioned with the first housing for covering, and be provided with the protuberance that is barred from the outside electrical connector plug in the first inner walls face place, introduce electric current when avoiding conducting and cause the short circuit of output electronic installation or burn, and the stability when guaranteeing the overall signal transmission.

Background technology

General electric connector is for using Connection Element and the accessory thereof on electronic signal and power supply, major function is providing the bridge joint between the various electronic installations and is guaranteeing that signal can transmit accurately, and electric connector is along with application, frequency, power and the different types with various forms and structure such as applied environment, and can be applicable to computer, computer peripheral device or industrial equipment, telecommunications and communication, automobile, transportation, household electrical appliance, medical or similar products, also be that circuit is realized the indispensable parts of predetermined function in the middle of the electronic installation.

Moreover, general electronic installation big city utilizes electric connector to reach and being connected of circuit board, and this electric connector can provide cable to be arranged in it mostly, and do one with a plurality of signal terminals of plug inside or power supply terminal and be connected, just the plug of electric connector can be plugged in the socket of another electric connector, making signal or power supply can see through circuit board is sent in the control circuit, in order to carry out the use of signal or power delivery, and the signal interference phenomenon in order to prevent that electromagnetic coupled produces between power circuit on the circuit board and the signal line, just there is manufacturer to be respectively arranged with power connector and signal connector in electronic installation inside, and link to use with the circuit board end, only this power connector is used on power supply unit and the server equipment mostly, and because of power connector all towards the little and large current delivery development of demand of volume, if the user misplugs power connector in signal connector, the signal terminal that just can see through signal connector with current delivery to the electronic installation of output, and the electronic component that causes electronic installation inside surpasses nominal load current and is short-circuited, or the impedance that produces of overcurrent causes temperature rise and causes the overheated phenomenon such as burn, or even electronic installation further damages, the function that has fool proof so will how effectively to prevent the situation that not adaptive power connector misplugs is and engages in the direction place that this journey dealer desires most ardently the research improvement.

Summary of the invention

Main purpose of the present utility model is to be on the body one side place hyoplastron of butt-joint socket as being positioned with a plurality of conducting terminals, and can dock the space for what attachment plug was inserted in being formed with between the first housing that body exterior covers and the hyoplastron, and the internal face place, the place ahead that the first housing is positioned at hyoplastron is provided with protuberance, and be formed with the slot that can stretch into for hyoplastron between the pedestal of attachment plug and two sidewalls, and on pedestal, be positioned with a plurality of docking terminals, its pedestal outer cup is covered with the second housing, and inwardly cut open and be provided with the recess that can supply protuberance to stretch at the second housing leading edge place, just can be barred from not adaptive outside electrical connector plug by protuberance makes its power supply terminal can not support the conducting terminal that is contacted with on the hyoplastron, caused the short circuit of output electronic installation internal electronic element or the situation generation such as burnt because introducing load current or overcurrent when avoiding conducting, also can prevent effectively that conducting terminal is subject to pushing the generation distortion, stability in the time of can guaranteeing by this overall signal transmission, and have good foolproof function.

For reaching above-mentioned purpose, the utility model proposes a kind of error-proof structure of electric connector, include butt-joint socket and attachment plug, wherein: the body one side place of this butt-joint socket institute tool is provided with a hyoplastron, and on hyoplastron, be positioned with a plurality of conducting terminals, and body exterior covers and is positioned with the first housing, then be formed with between the hyoplastron on the first housing and the body for what attachment plug was inserted and dock the space, and be positioned at hyoplastron the place ahead internal face in the first housing and be provided with at least one adjacent to docking space opening part and can support the protuberance that forms thereon the block location for outside electric connector;

The pedestal two side places of this attachment plug institute tool are formed with sidewall, and the hyoplastron that is formed with the confession butt-joint socket between two sidewalls and the pedestal stretches into slot in the inner, and form a plurality of docking terminals that are electrically connected in being positioned with on the pedestal to support to be contacted with on the conducting terminal, in addition the pedestal outside covers and is positioned with the second housing, and inwardly cuts open in the second housing leading edge place to be provided with and be communicated to the slot place and stretch in the inner recess for protuberance.

Preferably, have a plurality of terminal grooves for the conducting terminal location on the hyoplastron of this butt-joint socket body, and be provided with the first contact site of tool contact-making surface in conducting terminal one side place, and be provided with the weld part that is piercing in body exterior with respect to the in addition side place of the first contact site.

Preferably, the protuberance of this butt-joint socket the first housing is stretched to declivity towards the docking space block, and is formed with a vertical section of inwardly transferring in place, block the place ahead.

Preferably, be positioned at protuberance two side places on the first surface of shell of this butt-joint socket and be provided with button hole, then be formed with the storage tank for elasticity fastener location on two sidewalls of attachment plug, and all be formed with the hanging shape holding part of protrusion in the spring secures rail to sleeper end, and the second housing of attachment plug is positioned at the holding part that recess two side places are provided with for the elasticity fastener and passes the open-work that is held in button hole.

Preferably, the first housing bottom two side places of this butt-joint socket are provided with outward extending a plurality of welding foot.

The utility model also proposes a kind of error-proof structure of electric connector, include butt-joint socket, it is characterized in that, the body one side place of this butt-joint socket institute tool is provided with a hyoplastron, and on hyoplastron, be positioned with a plurality of conducting terminals, and body exterior covers and is positioned with the first housing, then be formed with between the hyoplastron on the first housing and the body for what attachment plug was inserted and dock the space, and be positioned at hyoplastron the place ahead internal face in the first housing and be provided with at least one adjacent to docking space opening part and support the protuberance that forms thereon the block location for outside electric connector.

The utility model also proposes a kind of error-proof structure of electric connector, include attachment plug, wherein, the pedestal two side places of this attachment plug institute tool are formed with sidewall, and be formed with slot between two sidewalls and the pedestal, and on pedestal, be positioned with a plurality of docking terminals, and the pedestal outside covers and is positioned with the second housing, and inwardly cuts open in the second housing leading edge place and to be provided with the recess that is communicated to the slot place.

Preferably, being formed with on two sidewalls of this attachment plug can be for the storage tank of elasticity fastener location, and all be formed with the hanging shape holding part of protrusion in the spring secures rail to sleeper end, and the second housing of attachment plug is positioned at recess two side places and is provided with the open-work that can pass for the holding part of elasticity fastener.

Compared with prior art, structure of the present utility model can be barred from not adaptive outside electrical connector plug by protuberance makes its power supply terminal can not support the conducting terminal that is contacted with on the hyoplastron, introducing load current or overcurrent when avoiding conducting causes the short circuit of output electronic installation internal electronic element or burns, stability in the time of can guaranteeing by this overall signal transmission, and have good foolproof function.

Description of drawings

Fig. 1 is three-dimensional exploded view of the present utility model.

Fig. 2 is the three-dimensional exploded view of the utility model butt-joint socket.

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model butt-joint socket.

Fig. 4 is the three-dimensional exploded view of the utility model attachment plug.

Fig. 5 is the three-dimensional exploded view at another visual angle of the utility model attachment plug.

Fig. 6 is the side cutaway view of the utility model before pegging graft.

Fig. 7 is the side cutaway view of the utility model after pegging graft.

Fig. 8 is the stereo appearance figure of the utility model after pegging graft.

Description of reference numerals: 1-butt-joint socket; 10-docks the space; The 101-opening; The 11-body; The 12-hyoplastron; The 121-terminal groove; The 13-conducting terminal; 131-the first contact site; The 1311-contact-making surface; The 132-weld part; 14-the first housing; The 141-protuberance; The 1411-block; The 1412-vertical section; The 142-button hole; The 14-welding foot; 2-attachment plug; The 20-slot; The 21-pedestal; The 211-terminal groove; The 22-sidewall; The 221-storage tank; The 222-spring secures rail to sleeper; The 2221-holding part; 23-docks terminal; 231-the second contact site; The 2311-elastic arm; The 232-location division; 24-the second housing; The 241-recess; The 242-open-work.

Embodiment

For reaching above-mentioned purpose and effect, the technological means that the utility model adopts and structure thereof, hereby 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 to shown in Figure 5, be respectively the three-dimensional exploded view of three-dimensional exploded view of the present utility model, butt-joint socket, the three-dimensional exploded view at another visual angle of butt-joint socket, the three-dimensional exploded view of attachment plug and the three-dimensional exploded view at another visual angle of attachment plug, find out by knowing among the figure, the utility model includes butt-joint socket 1 and attachment plug 2, therefore with regard to the main member of this case and feature describes in detail as after, wherein:

This butt-joint socket 1 has a body 11, and be provided with the hyoplastron 12 of a plurality of terminal grooves 121 of tool in body 11 1 side places, and each terminal groove 121 interior conducting terminal 13 that do not transmit power supply that are positioned with respectively, conducting terminal 13 1 side places then are provided with the first contact site 131 of the smooth shape contact-making surface 1311 of tool, and are provided with respect to the in addition side place of the first contact site 131 and are piercing in the body 11 outside coplanar weld parts 132 that form.

Moreover, body 11 outsides of butt-joint socket 1 cover and are positioned with the first housing 14, and between the hyoplastron 12 on the first housing 14 and the body 11, be formed with tool opening 101 dock space 10, the first housing 14 is positioned at hyoplastron 12 the place ahead internal faces and then is provided with at least one protuberance 141 adjacent to opening 101 centre one distance and position, and the protuberance 141 of the first housing 14 has a block 1411 for stretching to declivity towards docking space 10, and be formed with the inside vertical section 1412 of turnover in block 1411 the place aheads places, and be positioned at protuberance 141 2 side places on the first housing 14 surfaces and be provided with button hole 142, be provided with outward extending a plurality of welding foot 143 in two side places, the first housing 14 bottoms again.

This attachment plug 2 is for having a pedestal 21, and be formed with sidewall 22 in pedestal 21 2 side places, and be formed with slot 20 between two sidewalls 22 and the pedestal 21, then be provided with a plurality of terminal grooves 211 on the pedestal 21 of attachment plug 2, and each terminal groove 211 interior docking terminal 23 that do not transmit power supply that are positioned with respectively, and all be provided with the second contact site 231 of tool bending elastic arm 2311 in docking terminal 23 1 side places, and the in addition side place with respect to the second contact site 231 is provided with the location division 232 that is piercing in pedestal 21 outsides, be formed with in addition the storage tank 221 that can supply elasticity fastener 222 to locate on two sidewalls 22 of pedestal 21, and all be formed with the hanging shape holding part 2221 of protrusion in spring secures rail to sleeper 222 ends.

Yet, pedestal 21 outsides of attachment plug 2 cover and are positioned with the second housing 24, and inwardly cut open in the second housing 24 leading edge centre and to be provided with the Openworks shape recess 241 that at least one is communicated to slot 20 places, and be positioned at recess 241 2 side places and be provided with the open-work 242 that can pass for the holding part 2221 of elasticity fastener 222.

In addition, weld part 132 on each conducting terminal 13 of above-mentioned butt-joint socket 1 utilizes the welding manner firm engagement of surface adhering technical (SMT) to become one with better being embodied as of a plurality of contacts on the circuit board (not shown), but when practical application, also can utilize the welding manner of perforation (Through Ho le) to form electric connection, the location division 232 of respectively docking on the terminal 23 of attachment plug 2 then can utilize modes such as being welded and fixed, riveting pressing or clamping position to form electric connection with the external cable (not shown).

Please arrange in pairs or groups and consult Fig. 6-shown in Figure 8, be respectively the side cutaway view of the utility model before pegging graft, stereo appearance figure after side cutaway view after the grafting and the grafting, find out by knowing among the figure, when the utility model when using, the second housing 24 with attachment plug 2 is laterally inserted in docking space 10 by the first housing 14 openings 101 places of butt-joint socket 1 first, and the protuberance 141 that makes internal face place, the first housing 14 the place ahead is inserted on the second housing 24 in the corresponding recess 241 and can form blocking, and plug 2 to be connected is inserted into the location, just the hyoplastron 12 of butt-joint socket 1 can be inserted in the slot 20 of attachment plug 2, the second contact site 231 of docking terminal 23 is electrically connected for supporting with elastic arm 2311 to form on the first contact site 131 contact-making surfaces 1311 that are contacted with conducting terminal 13, and the spring secures rail to sleeper 222 on attachment plug 2 pedestals 21 2 sidewalls 22 is subject to the ejection of the first housing 14 of butt-joint socket 1 via after strain and the process that resets, just the holding part 2221 of spring secures rail to sleeper 222 ends can be held in the button hole 142 corresponding on the first housing 14, after being pegged graft, attachment plug 2 and butt-joint socket 1 form stable electric connection state, or not power supply in order to carry out the signal transmission and use, make the quality of overall signal transmission more stable and reliable.

When the plug (not shown) of outside electric connector (such as USB Micro-B) is that the first housing 14 openings 101 places by butt-joint socket 1 are when inserting, the place, cowl lip top of the outside location that covers of plug is held in form block on the vertical section 1412 of the block 1411 that protuberance 141 stretches to declivity and locates, and because protuberance 141 is hyoplastron 12 the place aheads one distance and position that is positioned at butt-joint socket 1, just can be barred from by protuberance 141 makes its power supply terminal can not support the conducting terminal 13 that is contacted with on the hyoplastron 12 on the plug, caused the short circuit of output electronic installation internal electronic element or the situation generation such as burnt because introducing load current or overcurrent when avoiding conducting, the conducting terminal 13 that also can effectively prevent butt-joint socket 1 is subject to pushing of not adaptive outside electric connector and produces distortion or structural deterioration, guaranteeing overall signal stability and the reliability in when transmission, and has good foolproof function.

Therefore, the utility model is positioned with a plurality of conducting terminals 13 on the body 11 1 side place hyoplastrons 12 for butt-joint socket 1, and be formed with between the first housing 14 that covers in body 11 outsides and the hyoplastron 12 and can dock space 10 for what attachment plug 2 was inserted, and the internal face place, the place ahead that the first housing 14 is positioned at hyoplastron 12 is provided with protuberance 141, and be formed with the slot 20 that can stretch into for hyoplastron 12 between the pedestal 21 of attachment plug 2 and two sidewalls 22, and on pedestal 21, be positioned with a plurality of docking terminals 23, and the second housing 24 leading edge places that pedestal 21 outsides cover are provided with the recess 241 that can supply protuberance 141 to stretch into for inwardly cuing open, and can organize by this to consist of mutually adaptive butt-joint socket 1 and attachment plug 2.

In addition, the conducting terminal 13 of butt-joint socket 1 only uses in order to signal transmission with the terminal 23 better enforcements of docking of attachment plug 2, and do not have the transmission power supply function, but when practical application, a plurality of conducting terminals 13 that the electric connector specification that also can formulate according to manufacturer and definition of pin position different are provided with corresponding transmission power supply with dock terminal 23, it only need provide not adaptive outside electric connector (such as USB Micr o-B) plug to be inserted in butt-joint socket 1 when interior, can utilize protuberance 141 to be barred from plug makes its power supply terminal can not be contacted with the conducting terminal 13 of signal transmission on the hyoplastron 12, caused the short circuit of output electronic installation internal electronic element or burnt to avoid conducting to introduce electric current, and had good foolproof function.

Above is illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection range of the present utility model all.

Claims

1. the error-proof structure of an electric connector includes butt-joint socket and attachment plug, it is characterized in that:

The body one side place of this butt-joint socket institute tool is provided with a hyoplastron, and on hyoplastron, be positioned with a plurality of conducting terminals, and body exterior covers and is positioned with the first housing, then be formed with between the hyoplastron on the first housing and the body for what attachment plug was inserted and dock the space, and be positioned at hyoplastron the place ahead internal face in the first housing and be provided with at least one adjacent to docking space opening part and support the protuberance that forms thereon the block location for outside electric connector;

2. the error-proof structure of electric connector as claimed in claim 1, it is characterized in that, have a plurality of terminal grooves for the conducting terminal location on the hyoplastron of this butt-joint socket body, and be provided with the first contact site of tool contact-making surface in conducting terminal one side place, and be provided with the weld part that is piercing in body exterior with respect to the in addition side place of the first contact site.

3. the error-proof structure of electric connector as claimed in claim 1 is characterized in that, the protuberance of this butt-joint socket the first housing is stretched to declivity towards the docking space block, and is formed with a vertical section of inwardly transferring in place, block the place ahead.

4. the error-proof structure of electric connector as claimed in claim 1, it is characterized in that, be positioned at protuberance two side places on the first surface of shell of this butt-joint socket and be provided with button hole, then be formed with the storage tank for elasticity fastener location on two sidewalls of attachment plug, and all be formed with the hanging shape holding part of protrusion in the spring secures rail to sleeper end, and the second housing of attachment plug is positioned at the holding part that recess two side places are provided with for the elasticity fastener and passes the open-work that is held in button hole.

5. the error-proof structure of electric connector as claimed in claim 1 is characterized in that, the first housing bottom two side places of this butt-joint socket are provided with outward extending a plurality of welding foot.

6. the error-proof structure of an electric connector, include butt-joint socket, it is characterized in that, the body one side place of this butt-joint socket institute tool is provided with a hyoplastron, and on hyoplastron, be positioned with a plurality of conducting terminals, and body exterior covers and is positioned with the first housing, then be formed with between the hyoplastron on the first housing and the body for what attachment plug was inserted and dock the space, and be positioned at hyoplastron the place ahead internal face in the first housing and be provided with at least one adjacent to docking space opening part and support the protuberance that forms thereon the block location for outside electric connector.

7. the error-proof structure of electric connector as claimed in claim 6 is characterized in that, the protuberance of this butt-joint socket the first housing is stretched to declivity towards the docking space block, and is formed with a vertical section of inwardly transferring in place, block the place ahead.

8. the error-proof structure of an electric connector, include attachment plug, it is characterized in that, the pedestal two side places of this attachment plug institute tool are formed with sidewall, and be formed with slot between two sidewalls and the pedestal, and on pedestal, be positioned with a plurality of docking terminals, and the pedestal outside covers and is positioned with the second housing, and inwardly cuts open in the second housing leading edge place and to be provided with the recess that is communicated to the slot place.

9. the error-proof structure of electric connector as claimed in claim 8, it is characterized in that, being formed with on two sidewalls of this attachment plug can be for the storage tank of elasticity fastener location, and all be formed with the hanging shape holding part of protrusion in the spring secures rail to sleeper end, and the second housing of attachment plug is positioned at recess two side places and is provided with the open-work that can pass for the holding part of elasticity fastener.