CN102509922A

CN102509922A - Disposable electric plug

Info

Publication number: CN102509922A
Application number: CN2011103658194A
Authority: CN
Inventors: 李刚; 熊婵; 林凌
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 2011-11-17
Filing date: 2011-11-17
Publication date: 2012-06-20
Anticipated expiration: 2031-11-17
Also published as: CN102509922B

Abstract

The invention discloses a disposable electric plug and relates to the field of medical electric plugs. The disposable electric plug comprises a housing, wherein a fixed insert rod is connected onto the housing, the fixed insert rod is connected with a conducting wire in the housing, an insulated accommodating cavity with a slideway is arranged in the housing, a conductive spring leaf is arranged in the insulated accommodating cavity, one end of the conductive spring leaf is connected with a conductive sliding block, the lower end of the conductive sliding block is in contact with the insert rod, a raised block is arranged on the insert rod, and a spring is sheathed on the raised block; and the side edge of the conductive sliding block is connected with a guide rod, and the guide rod can move up and down in the slideway and a side slideway which is through with the slideway. The electric plug is simplified in the internal structure and needs fewer internal devices, so that the production cost is lower; and simultaneously, the electric plug can only be used once and be prevented from being reused, so that potential safety hazards are avoided.

Description

A kind of disposable plug

Technical field

The present invention relates to electro-medical plug field, particularly a kind of disposable plug.

Background technology

The electro-medical plug is the necessary articles for use in the daily life, has realized that through the electro-medical plug power supply of surgical instrument connects, and makes that surgical instrument can operate as normal.Existing electro-medical plug all is repeatedly to use repeatedly usually, after using repeatedly, because can there be potential safety hazard in the problem of sterilisation quality.

Sun Ming has designed name and has been called in the prior art: the disposable use self-destruction of medical bipolar coagulation forceps protection structure-improved; Number of patent application is: 201020183802.8; Open day be: realized the disposable use of electro-medical plug on December 22nd, 2010, make and avoided potential safety hazard

The inventor finds in realizing process of the present invention, the shortcoming and defect below existing at least in the prior art:

The internal structure of this electro-medical plug is complicated, reliability is low, cost is high, has limited practical ranges.

Summary of the invention

The technical problem that the present invention will solve is to provide a kind of disposable plug, and the internal structure of this plug is simple, production cost is lower, has guaranteed that this plug can only use once, can not reuse, and sees hereinafter for details and describes:

A kind of disposable plug comprises: housing is connected with fixedly inserted link on the said housing; Said fixedly inserted link is connected with the lead of said enclosure interior, and said enclosure interior is provided with the ccontaining cavity of the insulation that has slideway, is provided with electroconductive elastic sheet in the ccontaining cavity of said insulation; One end of said electroconductive elastic sheet is connected with said conductive slider; Said conductive slider lower end contacts with inserted link, and said inserted link is provided with protruding block, is socketed with spring on the said protruding block; The side of said conductive slider is connected with guide rod, moves up and down in the sideslip road that said guide rod connects at said slideway and with said slideway.

The middle part of said inserted link is provided with said protruding block, and being shaped as of said protruding block is cylindrical.

Being shaped as of said conductive slider is cylindrical.

A kind of disposable plug provided by the invention compared with prior art has following advantage:

After plug is extracted,, under the traction of guide rod, make conductive slider approaching side slideway because conductive slider is received the rebound effect of electroconductive elastic sheet from socket; When plug inserts socket once more; Because conductive slider approaching side slideway, make that the power supply on the inserted link can not conducting, this plug has been simplified internal structure; Need less internal components, so production cost is lower; Guaranteed that simultaneously this plug can only use once, can not reuse, avoided potential safety hazard.

Description of drawings

Fig. 1 is the structural representation of disposable plug provided by the invention;

Fig. 2 is the structural representation of disposable plug provided by the invention when inserting;

Structural representation when Fig. 3 pulls up for disposable plug provided by the invention;

Fig. 4 is the structural representation after disposable plug provided by the invention is extracted;

Fig. 5 is the three-dimensional installation diagram of disposable plug provided by the invention.

The components listed tabulation is as follows in the accompanying drawing:

1: housing; 2: fixing inserted link;

3: ccontaining cavity insulate; 4: electroconductive elastic sheet;

5: conductive slider; 6: inserted link;

7: protruding block; 8: spring;

9: guide rod; 10: slideway;

11: the sideslip road.

Embodiment

For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.

For the internal structure that realizes the electro-medical plug is simple, production cost is lower, avoid potential safety hazard, the embodiment of the invention provides a kind of disposable plug, referring to Fig. 1 and Fig. 5, sees hereinafter for details and describes:

A kind of disposable plug comprises: housing 1, be connected with fixedly inserted link 2 on the housing 1, and fixedly inserted link 2 is connected with housing 1 inner lead; Housing 1 set inside has the ccontaining cavity 3 of the insulation that has slideway 10; Insulating is provided with electroconductive elastic sheet 4 in the ccontaining cavity 3, and an end of electroconductive elastic sheet 4 is connected with conductive slider 5, and conductive slider 5 lower ends contact with inserted link 6; Inserted link 6 is provided with protruding block 7, is socketed with spring 8 on the protruding block 7; The side of conductive slider 5 is connected with guide rod 9, motion in the sideslip road 11 that guide rod 9 connects at slideway 10 and with slideway 10.

Wherein, be provided with protruding block 7 through inserted link 6, come the move distance of restricted spring 8, better work in order to make spring 8, the embodiment of the invention preferably is provided with protruding block 7 at the middle part of inserted link 6, and the shape of protruding block 7 is preferably cylindrical.

Further, in order to increase work efficiency, the shape of the conductive slider 5 in the embodiment of the invention is preferably cylindrical.

Wherein, Slideway 10 and sideslip road 11 both can be arranged on the left side of the ccontaining cavity 3 of insulation; Also can be arranged on the right of the ccontaining cavity 3 of insulation; The embodiment of the invention be with slideway 10 and sideslip road 11 be arranged on the insulation ccontaining cavity 3 the right be that example describes, when specifically realizing, the embodiment of the invention does not limit this.

Below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 the concrete working method of disposable plug is described, is seen for details hereinafter and describe:

Referring to Fig. 1, be the initial condition and the position of disposable plug, inserted link 6 contacts with conductive slider 5; Conductive slider 5 contacts with electroconductive elastic sheet 4; Inserted link 6 is provided with protruding block 7, is socketed with spring 8 on the protruding block 7, and conductive slider 5 can slide in the ccontaining cavity 3 of insulation; Conductive slider 5 contacts with electroconductive elastic sheet 4, electroconductive elastic sheet 4 can with the conduction of current of inserted link 6 to lead that plug links to each other in.

Referring to Fig. 2, when disposable plug inserted socket, the inserted link 6 stressed resistances that overcome spring 8 moved along housing 1 inner direction; Guide rod 9 slides in slideway 10, drives conductive slider 5 and moves to top, and electroconductive elastic sheet 4 receives force compresses; Inserted link 6 at the outside end of plug with fixedly inserted link 2 is concordant; Make disposable plug be in normal conducting state, fixedly inserted link 2 and inserted link 6 difference turning circuits, surgical instrument operate as normal.

Referring to Fig. 3, after surgical instrument is finished using, with disposable plug when socket pulls up; Electroconductive elastic sheet 4 bounce-backs; The active force (along the active force in sideslip road 11) of applying a tangential for conductive slider 5, guide rod 9 approaching side slideways 11, conductive slider 5 under the traction of guide rod 9, get into and the ccontaining cavity 3 of sideslip road 11 position corresponding insulation in; Conductive slider 5 separates with inserted link 6, makes disposable plug be in off-state.

Referring to Fig. 4; After disposable plug pulled up from socket, inserted link 6 was when housing 1 outward direction moves to bottom in the effect lower edge of spring 8, conductive slider 5 also get into the ccontaining cavity 3 of sideslip road 11 position corresponding insulation in; Even at this moment more disposable plug is inserted socket; The inserted link 6 stressed resistances that overcome spring 8 move along housing 1 inner direction, and inserted link 6 can not contact with conductive slider 5, the not conducting of internal circuit of disposable plug; Be in off-state, thereby guarantee that disposable plug can only use once.

Wherein, when specifically realizing, the embodiment of the invention is not done any restriction to the size of each parts, can be according to the size of each parts of the design of the needs in the practical application.

In sum, the embodiment of the invention provides a kind of disposable plug, after plug is extracted from socket; Because conductive slider is received the rebound effect of electroconductive elastic sheet, under the traction of guide rod, make conductive slider approaching side slideway, when plug inserts socket once more; Because conductive slider is the approaching side slideway; Make that the power supply on the inserted link can not conducting, thereby guarantee that plug can only use once, avoided potential safety hazard for this reason; Simultaneously, this plug has been simplified internal structure, need less internal components, so production cost is lower.

It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, the invention described above embodiment sequence number is not represented the quality of embodiment just to description.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. disposable plug, comprising: housing (1) is connected with fixedly inserted link (2) on the said housing (1); Said fixedly inserted link (2) is connected with the inner lead of said housing (1); It is characterized in that said housing (1) set inside has the ccontaining cavity of insulation (3) that has slideway (10), is provided with electroconductive elastic sheet (4) in the ccontaining cavity of said insulation (3); One end of said electroconductive elastic sheet (4) is connected with said conductive slider (5); Said conductive slider (5) lower end contacts with inserted link (6), and said inserted link (6) is provided with protruding block (7), is socketed with spring (8) on the said protruding block (7); The side of said conductive slider (5) is connected with guide rod (9), moves up and down in the sideslip road (11) that said guide rod (9) connects at said slideway (10) and with said slideway (10).

2. a kind of disposable plug according to claim 1 is characterized in that the middle part of said inserted link (6) is provided with said protruding block (7), and being shaped as of said protruding block (7) is cylindrical.

3. a kind of disposable plug according to claim 1 is characterized in that being shaped as of said conductive slider (5) is cylindrical.