CN202121163U

CN202121163U - Anti-shedding plug and socket

Info

Publication number: CN202121163U
Application number: CN201120209384XU
Authority: CN
Inventors: 李丞; 李康; 任必跃; 张江禄
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-21
Filing date: 2011-06-21
Publication date: 2012-01-18
Anticipated expiration: 2021-06-21

Abstract

The utility model discloses an anti-shedding plug and an anti-shedding socket which include a plug and a socket. The plug includes a plug housing and metal pins, and the socket includes a socket housing provided with jacks and metal contact sheets arranged in the socket housing. The pins of the plug are arranged in the jacks of the socket housing and are electrically connected with the metal contact sheets arranged in the jacks. The plug housing is also provided with anti-shedding members, and the anti-shedding member includes a fixing part which extends from the plug housing and a connecting part which is formed by extending from an external end of the fixing part along the plug pin direction. An end of the connecting part is provided with a snapping projection which projects toward the outside. A position of the socket corresponding to the snapping projection is provided with a hook. When the pins of the plug are completely inserted into the jacks of the socket, the snapping projections are just arranged in the hooks. The anti-shedding plug and socket have the advantages of reasonable structure and excellent anti-shedding effect.

Description

The Anti-disconnecting plug socket

Technical field

The utility model belongs to electrical equipment distribution field, is specifically related to a kind of Anti-disconnecting plug socket, the phenomenon that gets loose that this plugs and sockets can effectively avoid plug and socket in operation, to take place owing to improper action.

Background technology

As everyone knows; General household electrical appliance and electric tool all need could be worked through connecting power supply; And the method that connects power supply at present is exactly that the attaching plug that electrical equipment and instrument carry is inserted in the corresponding supply socket, thereby electrical equipment and electric tool energising are used.

In practical application, find; Because traditional plug and socket is to be provided with elastic contact blade in socket inside; Behind the plug insertion socket, said elastic contact blade is pressed on the elastic contact blade under self elastic force effect; Thereby realize being electrically connected, confining force between the two and steadiness are to lean on the elastic force of elastic contact blade to guarantee; But as common washing machine is shaking phenomenon to occur in drying; When using electric drill or other similar instruments can phenomenon or the like appear pulling because of the construction distance changes; In this case, the plug of power line and supply socket have taken place loosening and have produced loose contact and heating phenomenon, also can therefore make when serious to occur sparking between plug and the socket; There is potential potential safety hazard in the direct initiation fire of meeting when serious; Nowadays also occurred some on the market in succession and had the plugs and sockets of anti-loose function, but its structure is still unreasonable, the anticreep effect is also not obvious, and therefore the structure of traditional Anti-disconnecting plug socket still must be improved.

Summary of the invention

The purpose of the utility model provides a kind of effective Anti-disconnecting plug socket rational in infrastructure, anti-loose.

The technical scheme that realizes the utility model purpose is: a kind of Anti-disconnecting plug socket comprises plug and socket; Said plug comprises plug casing and is arranged on the metal pin on this housing; Said socket comprises the Socket casing that is provided with jack and is arranged on the metal contact in this Socket casing, and the pin of said plug is plugged in the jack of said Socket casing and with the metal contact that sets within it and is electrically connected;

Also be provided with the anticreep spare that the pin that is used for preventing said plug gets loose from the jack of socket on this plug casing, this anticreep spare comprises the fixed part that extends outward from said plug casing and the connecting portion that extends to form along the pin direction towards plug from the outer end of fixed part;

The end of said connecting portion is provided with to the protruding clamping in its outside protruding; Be provided with trip with the protruding corresponding position of said clamping on the said socket, when the pin of said plug inserted in the jack of socket fully, said clamping convexity just in time was arranged in said trip.

In the technique scheme, said connecting portion is straight tabular, leaves the gap between the medial surface of this connecting portion and the said plug casing.

In the technique scheme, said trip comprises the vertical barrier plate that is provided with and extends towards the inboard with this location-plate of extended location-plate and the end that is arranged on this location-plate from the said Socket casing; The basic configuration that said location-plate and said barrier plate are formed trip is 7 fonts; Said clamping convexity is arranged in the draw-in groove that is surrounded by location-plate and barrier plate.

In the technique scheme, said anticreep spare is two and is symmetricly set on the relative position of said plug casing.

The utlity model has positive effect: in (1) the utility model; Through on the basis of traditional plug and socket, being provided with the anticreep spare that the pin that is used for preventing said plug gets loose from the jack of said socket, this anticreep spare comprise the fixed part that extends outward from said plug casing and from the outer end of fixed part along the connecting portion that extends towards the pin direction of plug; The end of said connecting portion is provided with to the protruding clamping in its outside protruding; Be provided with trip with the protruding corresponding position of said clamping on the said socket, when the pin of said plug inserted in the jack of socket fully, said clamping convexity just in time was arranged in said trip.Adopt this structure when operation, connect in the trip together through the clamping convexity is connected to, rational in infrastructure, can prevent effectively that also plug and socket from plug and socket slippage that improper action causes taking place simultaneously, effect is better.

(2) in the utility model, be straight tabular through adopting said connecting portion, the structure that leaves the gap between this connecting portion and the said plug casing makes the connecting portion of anticreep spare have mobilizable space; When inserting plug; To extruding is contracted to the spacing of the end of its connecting portion can to enter into trip near the direction of plug casing, when the back relieving that puts in place of the clamping convexity of the end of connecting portion, anticreep spare is promptly to rebounding away from the plug casing direction with anticreep spare; Because the effect of elastic force; The clamping convexity is arranged in trip reliably, only when artificial action, just can the clamping convexity be withdrawed from from trip, and this kind structure makes plug more reliable with being connected of socket.

Description of drawings

Fig. 1 is the front view of the plug in the utility model;

Fig. 2 is a kind of end view of Fig. 1;

Fig. 3 is the structural representation that plug and socket is in job state in the utility model;

Fig. 4 is the zoomed-in view at the A place among Fig. 3.

Reference numeral is: plug casing 1, pin 11, Socket casing 2, trip 21, location-plate 211, barrier plate 212, anticreep spare 3, fixed part 31, connecting portion 32, clamping boss 33, elastic portion 34, power line 4.

Embodiment

(embodiment 1)

Fig. 1 to Fig. 4 has shown a kind of embodiment of the utility model, and wherein, Fig. 1 is the front view of the plug in the utility model; Fig. 2 is a kind of end view of Fig. 1; Fig. 3 is the structural representation that plug and socket is in job state in the utility model; Fig. 4 is the zoomed-in view at the A place among Fig. 3.

To shown in Figure 4, a kind of Anti-disconnecting plug socket comprises plug and socket like Fig. 1; Said plug comprises plug casing 1 and is arranged on the metal pin 11 on this plug casing 1; One end of said each metal pin 11 is fixed in the plug casing 1 and is electrically connected reliably with the formation of circumscripted power line 4, and the other end stretches out plug casing 1 outside and is plugged in the jack of socket; Said socket comprises the Socket casing 2 that is provided with jack and is arranged on the metal contact on this Socket casing 2, and the pin 11 of said plug is arranged in the jack of said Socket casing 2 and with the metal contact that sets within it and is electrically connected; Also comprise the anticreep spare 3 that the pin 11 that is used for preventing said plug gets loose from the jack of said socket; This anticreep spare 3 comprises that the fixed part 31 that extends outward from said plug casing 11 and the connecting portion 32 that extends to form along pin 11 directions towards plug from the outer end of fixed part 31 also are said connecting portion 32 and the pin 11 of said plug is provided with in the same way; In practical operation; Said connecting portion 32 in the process that pin 11 directions stretch gradually to extending away from plug casing 1 direction, this anticreep spare 3 is from the plug casing 1 extended one-body molded.

The end of said connecting portion 32 is provided with to the protruding clamping protruding 33 of its outboard end; Be provided with trip 21 with protruding 32 relevant positions of said clamping on the said socket, when the pin 11 of said plug was located in the jack of socket, said clamping protruding 33 was stuck in the said trip 21;

As shown in the figure; Junction at fixed part 31 and connecting portion 32 forms an elastic portion 34; Can be for connecting portion 32 provides to the reseting elasticity away from plug casing 1 direction bounce-back, the clamping protruding 33 that makes the connecting portion 32 on the plug casing 1 then reliably and the trip 34 on the Socket casing 2 be connected together.

Said connecting portion 32 is straight tabular, leaves the gap between this connecting portion 32 and the said plug casing 1.

Said trip 21 comprise from the said Socket casing 2 extended location-plate 211 and the end that is arranged on this location-plate 211 and with basic configuration that these location-plate 211 vertically disposed barrier plate 212 said location-plates 211 and said barrier plate 212 are formed trips be 7 fonts; Said clamping protruding 33 is arranged in the draw-in groove of being made up of location-plate 211 and barrier plate 212; The lower surface of said clamping protruding 22 is positioned at the top that said plug casing 1 is provided with the end face of pin 11 1 ends; The upper surface of said clamping protruding 33 is against on the downside of barrier plate 212 of said trip 21.

In this embodiment; Said plug is a two-pin plug; Its two pins 11 side by side and laterally arrange, said anticreep spare 3 is arranged on the opposite flank of said plug casing 1, the vertical setting of medial surface of the medial surface of the connecting portion 32 of said anticreep spare and said pin 11.The basic configuration of said plug casing 1 is square, and the quantity of said anticreep spare 3 is two, is located at the both sides, front and back of said plug casing 1 respectively; This plug and socket are when pegging graft; With the anticreep spare on the plug casing 13 to extruding makes distance between protruding 33 outer faces of its clamping less than being arranged on the distance between two trips 21 on the Socket casing 2 near plug casing 1; After the pin 11 of plug is inserted into the position; This moment, just clamping protruding 33 was arranged in trip 21; Decontrol its connecting portions 32 of two anticreep spares 3 back and under elastic portion 34 provides the effect of elastic force, clamping protruding 33 is located in the said trip 21, can reach the purpose of anticreep, after needs also only need plug to use external force that connecting portion 32 will be pushed near plug casing 1 direction when socket is pulled up, outwards extract and get final product.

In this embodiment, the plug of employing is a two-pin plug, in practical application, is not limited to this, also can this structure be arranged on the electric connector of three-pin plug and other models.

The advantage that present embodiment has: in (1) present embodiment; Through on the basis of traditional plug and socket, being provided with the anticreep spare that the pin that is used for preventing said plug gets loose from the jack of said socket, this anticreep spare comprise the fixed part that extends outward from said plug casing and from the outer end of fixed part along the connecting portion that extends towards the pin direction of plug; The end of said connecting portion is provided with to the protruding clamping in its outside protruding; Be provided with trip with the protruding corresponding position of said clamping on the said socket, when the pin of said plug inserted in the jack of socket fully, said clamping convexity just in time was arranged in said trip.Adopt this structure when operation, connect in the trip at one through the clamping convexity is connected to, rational in infrastructure, can prevent effectively that also plug and socket from plug and socket slippage that improper action causes taking place simultaneously.

(2) in the present embodiment, be straight tabular through adopting said connecting portion, the structure that leaves the gap between this connecting portion and the said plug casing makes the connecting portion of anticreep spare have mobilizable space; When inserting plug; To extruding is contracted to the spacing of the end of its connecting portion can to enter into trip near the direction of plug casing, when the back relieving that puts in place of the clamping convexity of the end of connecting portion, anticreep spare is promptly to rebounding away from the plug casing direction with anticreep spare; Because the effect of elastic force; The clamping convexity is arranged in trip reliably, only when artificial action, just can the clamping convexity be withdrawed from from trip, and this kind structure makes plug more reliable with being connected of socket.

Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection range of the utility model.

Claims

1. an Anti-disconnecting plug socket comprises plug and socket; Said plug comprises plug casing (1) and is arranged on the metal pin (11) on this housing (1); Said socket comprises the Socket casing (2) that is provided with jack and is arranged on the metal contact in this Socket casing (2), and the pin of said plug (11) is plugged in the jack of said Socket casing (2) and with the metal contact that sets within it and is electrically connected; It is characterized in that:

Also be provided with the anticreep spare (3) that the pin (11) that is used for preventing said plug gets loose from the jack of socket on this plug casing (1), this anticreep spare (3) comprises the fixed part (31) that extends outward from said plug casing (11) and the connecting portion (32) that extends to form along pin (11) direction towards plug from the outer end of fixed part (31);

The end of said connecting portion (32) is provided with to the protruding clamping protruding (33) in its outside; Be provided with trip (21) with the corresponding position of said clamping protruding (32) on the said socket, when the pin (11) of said plug inserted in the jack of socket fully, said clamping protruding (33) just in time was arranged in said trip (21).

2. Anti-disconnecting plug socket according to claim 1 is characterized in that: said connecting portion (32) leaves the gap for straight tabular between medial surface of this connecting portion (32) and the said plug casing (1).

3. Anti-disconnecting plug socket according to claim 2 is characterized in that: said trip (21) comprises from said Socket casing (2) goes up extended location-plate (211) and the vertical barrier plate (212) that is provided with and extends towards the inboard with location-plate (211) in the end that is arranged on this location-plate (211); Said location-plate (211) is 7 fonts with the basic configuration that said barrier plate (212) is formed trip (21); Said clamping protruding (33) is arranged in the draw-in groove that is surrounded by location-plate (211) and barrier plate (212).

4. Anti-disconnecting plug socket according to claim 3 is characterized in that: said anticreep spare (3) is two and is symmetricly set on the two side ends of said plug casing (1).