CN204966888U - Plug and socket of heavy current - Google Patents

Abstract

The utility model discloses a plug and socket of heavy current, the bolt, the plug bush adopts the plug connector respectively, the socket component constitutes with the connecting piece, plug connector or socket component intermediate formation have the locking shoulder, their lower extreme passes the supporter trompil and stretches out, the plug connector upper end is kept off in supporter trompil outside by the locking shoulder, the socket component upper end is then be arranged in the supporter trompil by locking shoulder fender in the ladder and the socket component upper end of supporter trompil, the snap ring card is in the plug connector that stretches out from the supporter trompil or the lower part of socket component, be in in the recess with supporter trompil border parallel and level department, and plug connector or the socket component lower part has the cavity and the cavity formation has internal thread and internal cone cylinder, connecting piece upper portion forms external screw thread and outer circular cone cylinder, through interior, the external screw thread connects soon, in compressing tightly, the contact of outer circular cone cylinder, the connecting piece is fixed in plug connector or socket component. This plug and socket have more excellent electric conductive property, and just assembly, operation and maintenance possess more convenient characteristics.

Description

A kind of plug and socket of big current

Technical field

The utility model belongs to a kind of electric accessories, is widely used in communications and transportation, harbour, building, electric power and industrial every profession and trade, particularly, is a kind of device that continues of power supply.

Prior art

Chinese utility model patent 200620057559.9 discloses a kind of plug of big current protection type, socket and connector, its shell, latch support or sleeve support all adopt partially flat structure, for adapting to the needs of big current, latch or sleeve self and the spacing between them all can suitably increase, and overall volume and weight can reduce largely, receive the welcome of numerous users.But the structure of latch or sleeve and supporter thereof, makes no matter to manufacture and design, or assembling use all still also exists larger problem.Because latch or sleeve system adopt screw to be fixed on from the side on supporter by engineering plastics, and latch or sleeve are integrated, plug is with cable assembly connection, useful help cannot be provided to cable, cable have to directly be fixed on latch, this non-disconnectable form is unfavorable for assembling and safeguards changing, and for having the cable of constant weight, operation still also exists very large trouble, in addition, in use procedure, the grafting of plug and socket or pull away, screw fixation side limits latch or sleeve cannot correct position each other by slight swing, and be difficult to realize smoothly the grafting of latch and sleeve or pull away, and easily cause force localization in screw place, in the other extreme, easily damage is caused to latch support or sleeve support.

Summary of the invention

In actual use, socket normally connects power supply and fixing; Plug normally connects electricity consumption part and can to meet movement; Therefore, plug and socket are often simultaneously with the use of having carried out continuing of electricity.

This plug and socket is mainly mutually corresponding based on identical distribution of electrodes form or the electrode between them, and there is common technical characterstic, they are not only in commercial Application, and plug and socket are simultaneously complete uses, still simultaneously completely in commercial distribution sell.

Therefore, the purpose of this utility model is the plug and socket that will provide a kind of big current, their latch and the contact adopting the sleeve of metal lining to carry out electricity, and plug connector or socket component and wiring part adopt the syndeton of split, by stop shoulder and snap ring, plug connector or socket component are limited in supporter, and wiring part and plug connector or socket component spacing fixing by screw thread, by the contact self-locking of circular cone cylinder, reach and be connected and fixed, there is more excellent electric conductivity and assembling, operation and maintenance feature easily.

Plug of the present utility model is realized by following scheme:

A plug for big current, comprises shell, latch and supporter; Be characterized in: latch comprises plug connector and wiring part; Stop shoulder is formed in the middle of plug connector, plug connector lower end is passed supporter perforate and is stretched out, gear is takeed on outside supporter perforate by stop in plug connector upper end, and snap ring is stuck in the plug connector bottom of stretching out from supporter perforate, is in the groove at concordant place, supporter perforate edge; Plug connector bottom has cavity and cavity is formed with internal thread and female cone cylinder, and external screw thread and outer cone cylinder are formed at connector top, are spun by internal and external screw thread, and compress the contact of inside and outside circular cone cylinder, connector is fixed in plug connector.

Like this, when plug and cable are linked and packed, cable can first be connected on wiring part, then just can realize with wiring part by the rotation of plug connector fixing; In addition, when changing cable, can only need change wiring part and retain plug connector, whole latch need not be changed.

Socket of the present utility model is realized by following scheme:

A socket for big current, comprises shell, sleeve and supporter; Be characterized in, sleeve comprises socket component and wiring part; Stop shoulder is formed in the middle of socket component, socket component lower end is passed supporter perforate and is stretched out, socket component upper end keeps off the ladder in supporter perforate by stop shoulder and socket component upper end is arranged in supporter perforate, snap ring is stuck in the socket component bottom of stretching out from supporter perforate, is in the groove at concordant place, supporter perforate edge; Socket component bottom has cavity and cavity is formed with internal thread and female cone cylinder, and be formed with annular groove inside socket component, metal lining is placed in annular groove; External screw thread and outer cone cylinder are formed at connector top, are spun by internal and external screw thread, and compress the contact of inside and outside circular cone cylinder, connector is fixed on socket component.

Like this, when latch inserts sleeve, the dust that metal lining comes on wiping latch can be utilized, and can guarantee that sleeve and latch keep close contact better.

Be more preferably, in such scheme, metal lining adopts has the Cu alloy material manufacture of elastic memory characteristic, and centre is rendered as and inwardly shrinks and form that two ends outwards slightly tilt.This material and form can guarantee that sleeve and latch keep more close contact better, and can play better effect for the wiping of dust.

Be more preferably, in such scheme, in supporter, be equipped with adiabatic chock in sleeve upper port place, in the middle of adiabatic chock, have through hole.Like this, when latch insertion stopper intermediate throughholes enters sleeve lumen pore, the effect of correcting can be played, the creepage distance between two sleeves can be increased simultaneously.

Plug and socket of the present utility model, except the above-mentioned feature mentioned, also has following advantages and effect:

The plug of the invention, latch adopts the Split type structure of plug connector and wiring part, plug connector is limited on supporter above-below direction, wiring part screws by screw thread and plug connector, so cable can first be connected on wiring part, then just can realize with wiring part by the rotation of plug connector fixing, thus, its assembling and connection have advantage very easily.

Plug of the present utility model, because its latch of plug adopts the Split type structure of plug connector and wiring part, like this, when maintenance needs to change cable, can only need change wiring part and retain plug connector, whole electrode need not be changed, demonstrate its advantage more easily further.

The socket of the invention, owing to being provided with metal lining in sleeve, so, when latch can be utilized to insert sleeve, carry out the dust on wiping latch by metal lining, and can guarantee that sleeve and latch keep close contact better, to ensure latch and the good conductivity of sleeve.

Socket of the present utility model, owing to being configured with adiabatic chock in port in supporter, when opening the protective cover plate of socket, the hand of operator directly can not touch sleeve, use safety can be guaranteed, in addition, under extreme environment or improper use situation, when dust or little micro-foreign material enter in sleeve or chamber wall time, stopper can be back-outed, be screwed into again after cleaning out, safeguard more convenient like this, to the safe handling of socket and better effect can be played useful life.

The plug and socket of the invention, latch or sleeve system are fixed in supporter by stop shoulder and snap ring on it, thus, latch or sleeve and supporter can be utilized fully to align voluntarily to realize grafting or pull away the slight oscillatory of latch or sleeve in process in trickle gap on direction up and down, so that the smooth grafting of plug or pull away socket, therefore, plug and socket has advantage easy to use.

Plug and socket of the present utility model, because latch or sleeve system are limited in supporter by stop shoulder and snap ring, the grafting of plug and socket or pull away, its active force will be distributed in surrounding better, can not be converged, thus, plug and socket bulk strength is better, not fragile, there is more robust advantage.

This plug and socket compared with prior art, the fixed form of the latch after improvement and sleeve and supporter, use the fixed form of screw thread and circular cone cylinder contact connection instead, sleeve and latch its contact the thickness of facing the wall and meditating and also thickened, make sleeve and latch can carry larger electric current to pass through, more not easily generate heat in the current value of setting.

In this plug and socket, the fixing fixed form no longer adopting screw of the latch after improvement and sleeve and supporter, need not form perforate in supporter, and make supporter have better crashworthiness, anti-intensity of touching, supporter is more not fragile.

Accompanying drawing explanation

Fig. 1 is the stereogram of a kind of embodiment of the utility model plug;

Fig. 2 is the cutaway view of Fig. 1 plug;

Fig. 3 is the cutaway view of latch in Fig. 1 plug;

Fig. 4 is the cutaway view of connector in Fig. 1 plug;

Fig. 5 is the schematic diagram of a kind of embodiment of the utility model socket;

Fig. 6 is the cutaway view of Fig. 5 socket;

Fig. 7 is the cutaway view of sleeve in Fig. 5 socket;

Fig. 8 is the stereogram of connector in Fig. 5 socket.

Embodiment

Below in conjunction with accompanying drawing, further detailed description is made to the utility model:

With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the plug of present embodiment, comprises a shell 1, four latches 2, supporter 3 and four snap rings 4; Wherein, latch 2 comprises plug connector 21 and wiring part 22; Be formed with stop shoulder 21a in the middle of plug connector 21, plug connector 21 lower end is passed supporter 3 perforate 31 and is stretched out, and plug connector 21 upper end is takeed on 21a by stop and kept off outside supporter 3 perforate 31; Snap ring 4 is stuck in plug connector 21 bottom of stretching out from supporter 3 perforate 31, and snap ring 4 is in the groove 21b at concordant place, supporter 3 perforate 31 edge; Plug connector 21 bottom has cavity 21c, and be rendered as an a cylindrical chamber A and circular cone column chamber B in cavity 21c from top to down, female thread is formed in the medial surface of cylindrical chamber A, and the inner side of circular cone column chamber B has a female cone cylinder; Connector 22 top is rendered as an a cylinder A ' and circular cone post B ' from top to down, and external screw thread is formed at the lateral surface of cylinder A ', and the outside of circular cone post B ' has an outer cone cylinder; Spinning by internal and external screw thread, the top of connector 22 can be inserted in plug connector 21, and cylinder A ' and circular cone post B ' can coincide respectively in cylindrical chamber A and circular cone column chamber B; Make inside and outside circular cone cylinder mutually compress contact, connector 22 is fixed in plug connector 21.

With reference to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the socket of present embodiment, comprises a shell 1, four sleeves 2, supporter 3, four snap rings 4 and four adiabatic chock 5; Wherein, sleeve 2 comprises socket component 21 and wiring part 22; Stop shoulder 21a is formed in the middle of socket component 21, socket component 21 lower end is passed supporter 3 perforate 31 and is stretched out, socket component 21 upper end is takeed on 21a by stop and is kept off on the ladder 31a of supporter 3 perforate 31, and socket component 21 upper end is arranged in supporter 3 perforate 31, snap ring 4 is stuck in socket component 21 bottom of stretching out from supporter 3 perforate 31, is in the groove 21b at concordant place, supporter perforate edge; Socket component 21 bottom has cavity 21c, and cavity 21c is rendered as an a cylindrical chamber A and circular cone column chamber B from top to down, and female thread is formed in the medial surface of cylindrical chamber A, has a female cone cylinder inside circular cone column chamber B; Connector 22 top is rendered as an a cylinder A ' and circular cone post B ' from top to down, and external screw thread is formed at the lateral surface of cylinder A ', and the lateral surface of circular cone post B ' has an outer cone cylinder; Spinning by internal and external screw thread, the top of connector 22 can be inserted in the cavity 21c of socket component 21, and cylinder A ' and frustum of a cone B ' can coincide respectively in cylindrical chamber A and circular cone shape chamber B; Make inside and outside circular cone cylinder mutually compress contact, connector 22 is fixed on socket component 21.In addition, be formed with annular groove 21d inside socket component 21, be rendered as in the middle of metal lining 6 and inwardly shrink and form that two ends outwards slightly tilt, metal lining 6 is placed in annular groove 21d.

In addition, in above-mentioned two embodiments, the bottom of latch or sleeve can form hexagon C, and connector also forms hexagon C ' in the middle of outside, and like this, the instrument that is easy to use during assembling operates, they to be screwed.

Claims (4)

1. a plug for big current, comprises shell, latch and supporter; It is characterized in that: latch comprises plug connector and wiring part; Stop shoulder is formed in the middle of plug connector, plug connector lower end is passed supporter perforate and is stretched out, gear is takeed on outside supporter perforate by stop in plug connector upper end, and snap ring is stuck in the plug connector bottom of stretching out from supporter perforate, is in the groove at concordant place, supporter perforate edge; Plug connector bottom has cavity and cavity is formed with internal thread and female cone cylinder, and external screw thread and outer cone cylinder are formed at connector top, are spun by internal and external screw thread, and compress the contact of inside and outside circular cone cylinder, connector is fixed in plug connector.

2. a socket for big current, comprises shell, sleeve and supporter; It is characterized in that, sleeve comprises socket component and wiring part; Stop shoulder is formed in the middle of socket component, socket component lower end is passed supporter perforate and is stretched out, socket component upper end keeps off the ladder in supporter perforate by stop shoulder and socket component upper end is arranged in supporter perforate, snap ring is stuck in the socket component bottom of stretching out from supporter perforate, is in the groove at concordant place, supporter perforate edge; Socket component bottom has cavity and cavity is formed with internal thread and female cone cylinder, and be formed with annular groove inside socket component, metal lining is placed in annular groove; External screw thread and outer cone cylinder are formed at connector top, are spun by internal and external screw thread, and compress the contact of inside and outside circular cone cylinder, connector is fixed on socket component.

3. socket according to claim 2, metal lining adopts has the Cu alloy material manufacture of elastic memory characteristic, and centre is rendered as and inwardly shrinks and form that two ends outwards slightly tilt.

4. the socket according to Claims 2 or 3, is equipped with adiabatic chock in sleeve upper port place in supporter, has through hole in the middle of adiabatic chock.