CN201805091U

CN201805091U - Anti-falling plug

Info

Publication number: CN201805091U
Application number: CN2010205319241U
Authority: CN
Inventors: 李英良
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-17
Filing date: 2010-09-17
Publication date: 2011-04-20
Anticipated expiration: 2020-09-17

Abstract

The utility model relates to an anti-falling plug capable of preventing a plug from falling while using an electric appliance in the field of electric appliance accessories. The plug comprises an insulation case, plug pins and a clamp buckle element, wherein the clamp buckle element is arranged between the positive electrode plug pin and the negative electrode plug pin arranged in the insulation case. When the plug is plugged into a corresponding socket, a clamping element arranged in the clamp buckle element generates clamping connection effect with a positioning opening arranged on the corresponding socket through the action, the plug is ensured not to fall in the use of the electric appliance, and the connection looseness of the plug and the socket can be effectively avoided, so the conditions of heating and striking or even short circuit caused by connection looseness of the plug and the socket are avoided.

Description

Anti-disconnecting plug

[technical field]

The utility model relates to the electrical accessorie field, especially relates to a kind ofly can preventing the Anti-disconnecting plug that plug comes off when the electrical equipment operation.

[background technology]

Known, household electrical appliance commonly used and electric tool all need could work by connecting power supply, and the method that connects power supply at present to be exactly power-line plug with electrical equipment and instrument be inserted in the corresponding supply socket, thereby electrical equipment and instrument are switched on so that use; But in long-term practical application, find, because rocking or in use the pulling situation can occurring very easily appears in manipulating in some electrical equipment and instrument, when drying shaking phenomenon can appear as common washing machine, 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 easily take place loosening and produce loose contact and heating phenomenon, also can therefore make when serious and occur sparking between plug and the socket, even cause situations such as short circuit, thereby inconvenience appears in the operation that makes electrical appliance or instrument, not only lose time, and very easily produce potential safety hazard.

[summary of the invention]

In order to overcome the deficiency in the background technology, the utility model provides a kind of Anti-disconnecting plug, and described plug can effectively stop plug loosening with being connected of socket, avoided heating, sparking occurring because of plug and being connected of socket are loosening, even the situation of short circuit.

For achieving the above object, the utility model adopts following technical scheme:

A kind of Anti-disconnecting plug, described plug includes insulation crust, pin and fastener; Described insulation crust top and bottom are respectively equipped with corresponding rectangular opening, and rectangular opening correspondence is positioned at both positive and negative polarity pin position intermediate; Described fastener comprises fixed mount, fastener, spring and the return spring of buckle shell, " worker " font; Described buckle shell is a tubular structure, and is fixed on both positive and negative polarity pin position intermediate in the insulation crust; One end end face of buckle shell is concordant with the shell face between insulation crust both positive and negative polarity pin, and is provided with opening in the middle part of this end end face, and the other end end face of buckle shell is made as blind end; The shell wall of the corresponding rectangular opening of buckle shell is provided with and promotes mouth; Described fixed mount fixed in position in the buckle shell middle part near the position of blind end; The described fastener activity of being made as is positioned over " U " shape structure in the buckle shell, two termination correspondences of " U " shape fastener openend are passed the openend inner face position that is positioned at the buckle shell behind the both sides cavity of fixed mount, and the blind end of fastener is between fixed mount and buckle shell blind end; Two termination axis normal of described fastener openend also form right-angled intersection with the axis of both positive and negative polarity pin; Be made as the inclined-plane between two termination lateral surfaces of fastener openend and the termination face separately or cambered surface is connected, inclined-plane or the cambered surface rear on two terminations is provided with depression simultaneously; The corresponding end that promotes the fixedly connected spring of the difference of medial surface up and down of mouth of fastener, the end positions of the corresponding spring of inferolateral surface is fixed with respectively by compression leg on the fastener, press compression leg all outstanding each self-corresponding promotion mouth and rectangular opening, and be equipped with the press surface of being wider than rectangular opening by the outstanding termination of compression leg; The inner face of fastener blind end is respectively equipped with supporting groove or projection post with the side of corresponding fixed mount, described return spring one end is placed in the groove of fixed mount or on the projection post, the other end of return spring is placed in the groove of fastener or on the projection post, perhaps be respectively equipped with supporting groove or projection post in the outer face of fastener blind end and the inner face of buckle shell blind end, one end of return spring is placed in the groove of fastener blind end outer face or on the projection post, and the other end of return spring is placed in the groove of buckle shell blind end inner face or on the projection post.

Owing to adopt aforesaid technical scheme, the utlity model has following beneficial effect:

Anti-disconnecting plug described in the utility model is with the supporting use of corresponding socket the time, and it is loosening with being connected of socket effectively to stop plug, thereby has avoided heating, sparking occurring because of plug and being connected of socket are loosening, even the situation of short circuit.

[description of drawings]

Fig. 1 is a schematic diagram of the present utility model;

Fig. 2 is a partial cutaway diagrammatic sketch of the present utility model;

Fig. 3 is the side cut-away view of fastener described in the utility model;

Fig. 4 is the side structure schematic diagram of fastener among Fig. 3, fixed mount, return spring and spring;

Fig. 5 is the side cut-away view of the another kind of structure of fastener described in the utility model;

Fig. 6 is a fixed mount schematic diagram described in the utility model;

Fig. 7 is the termination of plug described in the utility model fastener when using and the clamping schematic diagram of socket.

Among the figure: 1, insulation crust; 2, pin; 3, rectangular opening; 4, buckle shell; 5, fixed mount; 6, fastener; 7, spring; 8, return spring; 9, promote mouth; 10, inclined-plane; 11, depression; 12, press compression leg; 13, press surface; 14, groove; 15, socket; 16, positioning port.

[embodiment]

Can explain the utility model in more detail by the following examples, open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope, and the utility model is not limited to the following examples;

Before using described Anti-disconnecting plug, at first buckle shell 4 opening surfaces of 2 of both positive and negative polarity pins are provided with corresponding positioning port on corresponding insulation crust 1 between the both positive and negative polarity jack of socket 15, just can use described Anti-disconnecting plug then.

1～4 and 6 described Anti-disconnecting plugs in conjunction with the accompanying drawings, described plug includes insulation crust 1, pin 2 and fastener; Described insulation crust 1 top and bottom are respectively equipped with corresponding rectangular opening 3, and rectangular opening 3 correspondences are positioned at both positive and negative polarity pin 2 position intermediate, and promptly the fastener insulation crust 1 in can not have influence on the pin 2 of anodal and negative pole when action; Described fastener comprises fixed mount 5, fastener 6, spring 7 and the return spring 8 of buckle shell 4, " worker " font; Described buckle shell 4 is a tubular structure, and is fixed on both positive and negative polarity pin 2 position intermediate in the insulation crust 1; One end end face of buckle shell 4 is concordant with the shell face between the both positive and negative polarity pin 2 that stretches out insulation crust 1, and this end end face middle part is provided with opening, the i.e. openend of buckle shell 4; The other end of buckle shell 4, promptly the end end face away from pin 2 is made as blind end; Buckle shell 4 is provided with corresponding to the shell wall of rectangular opening 3 and promotes mouthfuls 9, be convenient on the fastener 6 by compression leg 12 run through promote mouthfuls 9 with rectangular opening 3 after extend the outside of insulation crust 1; Described " worker " font fixed mount 5 fixed in position in buckle shell 4 middle part near the position of buckle shell 4 blind ends; Described fastener 6 activities of being made as are positioned over " U " shape structure in the buckle shell 4, two termination correspondences of " U " shape fastener 6 openends are passed the openend inner face position that is positioned at buckle shell 4 behind the both sides cavity of " worker " font fixed mount 5, the blind end of fastener 6 is positioned between " worker " font fixed mount 5 and buckle shell 4 blind ends, it is the action of stretching out that fixed mount 5 has effectively limited fastener 6, make the opening termination of fastener 6 unlikely stretch out long, thereby the termination of having stopped fastener 6 touches the possibility of miscellaneous parts in the socket 15; Two termination axis normal of described fastener 6 openends also form right-angled intersection with the axis of both positive and negative polarity pin 2, thus more effective the loosening of plug of having avoided; Be made as inclined-plane 10 between two termination lateral surfaces of fastener 6 openends and the termination face separately or cambered surface is connected, coherent action is made at the opening that stretches out buckle shell 4 and when inserting the positioning port 16 of socket 15 in the be more convenient for termination of fastener 6 openends, has effectively reduced because of the right-angle side of fastener 6 terminations and the opening edge of buckle shell 4 or positioning port 16 limits of socket 15 touching the continuity that has influence on action; Inclined-plane 10 on two terminations or cambered surface rear are provided with depression 11 simultaneously, promptly utilize the depression 11 and the positioning port 16 corresponding limits of socket 15 to carry out clamping, reach the effect of fastening plug; " U " shape fastener 6 corresponding ends that promote the fixedly connected spring 7 of the difference of medial surface up and down of mouth 9, the end positions of the corresponding spring 7 of inferolateral surface is fixed with respectively by compression leg 12 on the fastener 6, thereby reach after two terminations of fastener 6 openends being pushed contraction and being mounted to correct position, can two terminations of fastener 6 openends be set back by spring 7; Press compression leg 12 all outstanding each self-corresponding promotions mouth 9 and rectangular opening 3, and be equipped with the press surface 13 of being wider than rectangular opening 3, promptly avoided when pushing, being depressed into possibility in the rectangular opening 3 by compression leg 12 by the termination of compression leg 12; The inner face of fastener 6 blind ends is respectively equipped with supporting groove 14 or projection post with the side of corresponding fixed mount 5, described return spring 8 one ends are placed in the groove 14 of " worker " font fixed mount 5 or on the projection post, the other end of return spring 8 is placed in the groove 14 of fastener 6 or on the projection post, thereby reach described Anti-disconnecting plug before inserting socket 15 or after extracting socket 15, fastener 6 can be positioned in the buckle shell 4 under the active force of return spring 8.

5 described Anti-disconnecting plugs in conjunction with the accompanying drawings, can be respectively equipped with supporting groove 14 or projection post in the outer face of fastener 6 blind ends and the inner face of buckle shell 4 blind ends, one end of return spring 8 is placed in the groove 14 of fastener 6 blind end outer faces or on the projection post, the other end of return spring 8 is placed in the groove 14 of buckle shell 4 blind end inner faces or on the projection post, is positioned in purpose in the buckle shell 4 thereby reach fastener 6 equally under the active force of return spring 8.

7 described Anti-disconnecting plugs in conjunction with the accompanying drawings, when implementing Anti-disconnecting plug described in the utility model, earlier described plug is inserted corresponding socket 15, be that the shell face between the shell face between the both positive and negative polarity pin 2 and the socket 15 both positive and negative polarity jacks is attached to a time-out on the plug, by press surface 13 dual-side of " U " shape fastener 6 is depressed into and tightly is attached to together, make fastener 6 stretch out the openend of buckle shell 4 forward again and be inserted in the positioning port 16 on the socket 15, after unclamping press surface 13, when the dual-side of fastener 6 returns to original position under the active force of spring 7, depression 11 on the fastener 6 firmly is connected on the positioning port 16 corresponding limits, thereby has guaranteed that described plug can not take place loosening with socket 15; After using described plug, the dual-side of " U " shape fastener 6 is depressed into earlier and tightly is attached to together by press surface 13, fastener 6 is retracted in the buckle shell 4, pull up plug then and get final product.

Carefully not stating in the above content is prior art partly, does not state so run business into particular one.

Claims

1. Anti-disconnecting plug, it is characterized in that: described plug includes insulation crust (1), pin (2) and fastener; Described insulation crust (1) top and bottom are respectively equipped with corresponding rectangular opening (3), and rectangular opening (3) correspondence is positioned at both positive and negative polarity pin (2) position intermediate; Described fastener comprises fixed mount (5), fastener (6), spring (7) and the return spring (8) of buckle shell (4), " worker " font; Described buckle shell (4) is a tubular structure, and is fixed on the interior both positive and negative polarity pin of insulation crust (1) (2) position intermediate; One end end face of buckle shell (4) is concordant with the shell face between the both positive and negative polarity pin (2) that stretches out insulation crust (1), and is provided with opening in the middle part of this end end face, and the other end end face of buckle shell (4) is made as blind end; The shell wall of the corresponding rectangular opening of buckle shell (4) (3) is provided with and promotes mouthful (9); Described fixed mount (5) fixed in position in buckle shell (4) middle part near the position of buckle shell (4) blind end; Described fastener (6) activity of being made as is positioned over " U " shape structure in the buckle shell (4), two termination correspondences of fastener (6) openend are passed the openend inner face position that is positioned at buckle shell (4) behind the both sides cavity of fixed mount (5), and the blind end of fastener (6) is positioned between the blind end of fixed mount (5) and buckle shell (4); Two termination axis normal of described fastener (6) openend also form right-angled intersection with the axis of both positive and negative polarity pin (2); Be made as inclined-plane (10) between two termination lateral surfaces of fastener (6) openend and the termination face separately or cambered surface is connected, inclined-plane (10) or the cambered surface rear on two terminations is provided with depression (11) simultaneously; The corresponding end that promotes the fixedly connected spring of difference of medial surface up and down (7) of mouthful (9) of fastener (6), the end positions that fastener (6) is gone up the corresponding spring of inferolateral surface (7) is fixed with respectively by compression leg (12), press compression leg (12) all outstanding each self-corresponding promotion mouthful (9) and rectangular opening (3), and be equipped with the press surface (13) of being wider than rectangular opening by the outstanding termination of compression leg (12); The inner face of fastener (6) blind end is respectively equipped with supporting groove (14) or projection post with the side of corresponding fixed mount (5), described return spring (8) one ends are placed in the groove (14) of fixed mount (5) or on the projection post, the other end of return spring (8) is placed in the groove (14) of fastener (6) or on the projection post, perhaps be respectively equipped with supporting groove (14) or projection post in the outer face of fastener (6) blind end and the inner face of buckle shell (4) blind end, one end of return spring (8) is placed in the groove (14) of fastener (6) blind end outer face or on the projection post, and the other end of return spring (8) is placed in the groove (14) of buckle shell (4) blind end inner face or on the projection post.