CN2418596Y - Plug and socket with lock-connection structure - Google Patents

Abstract

The utility model discloses a plug and a socket with a lock-connection structure, and the plug comprises a handle. The plug is characterized in that a blind hole is arranged in the handle body, a lock-connection part which is composed of a U-shaped body and outer convex bodies arranged at both sides of an opening end is fixed in the blind hole, and a key is installed in the handle body in a sliding mode relative to the positions of both outer side surfaces of the U-shaped body of the lock-connection part. The socket comprises a cover body, the socket is characterized in that a lock-connection hole which is matched and used with the lock-connection part is arranged on the cover body, and an insulated groove body which can form a sealed cover for the inserting end of the lock-connection part is arranged at the inner end surface of the lock-connection hole. After the utility model is realized, the utility model has the advantage that the plug can be prevented from dropping off freely from the socket.

Description

A kind of plug and socket that has lock-connection structure

The utility model relates to the socket of a kind of plug and adapted thereof, exactly is a kind of plug and socket that has lock-connection structure.

The version of existing plug and socket mainly contains two kinds, a kind of is two-pin plug and adapted socket thereof, and another kind is three-pin plug and adapted socket thereof, wherein, plug mainly is made of handle, pin, lead, and socket is made up of lid, the spliced eye of making on lid, binding post.The subject matter that this plug and socket in use exists be after plug and socket are pegged graft voluntarily interlocking fix, thereby in use the plug obscission appears unavoidably, influence result of use.For example, in the hairdressing industry, people are using hair dryer, and during electric haircutting scissors, because scope of activities is bigger, thereby plug comes off, and causes the phenomenon of electrical appliance cisco unity malfunction to happen occasionally, and bringing inconvenience to the hairdressing operation.

The purpose of this utility model be for people provide a kind of peg graft connect after the fixing plug and socket of interlocking mutually so that overcome the deficiencies in the prior art.

The purpose of this utility model is to realize like this.It comprises plug, socket, and this plug, socket have the lock-connection structure of mutual adapted respectively, and both peg graft when connecting, and this lock-connection structure makes it fixed to one another.

Above-mentioned plug comprises handle, pin, lead, be characterized in being shaped in the handle body a vexed hole parallel with pin, the aperture in this vexed hole is positioned at front end, lock-connecting piece of plant in the vexed hole, this lock-connecting piece is made of a U-shaped body and the outer convex body made on its openend both sides body lateral surface, during installation, its openend stretches out in vexed hole, the bottom, hole in the other end and vexed hole is fixed, on the vexed hole two side relative, make through hole respectively with lateral surface position, lock-connecting piece both sides, the button of slip plug-in mounting cylinder in this through hole is provided with between this button and the handle and prevents its outer stop mechanism that comes off that moves.

The front end face of above-mentioned outer convex body is made of sweptback plane, and rear end face is made of the plane perpendicular to described U-shaped body both sides lateral surface.

Above-mentioned through hole is a cylindrical hole, and chamfering is made in this cylindrical hole the inner; Described button is made of cylinder, and the outer convex body that is complementary with described chamfering is made in this cylinder the inner, and this chamfering, outer convex body constitute described stop mechanism.

Above-mentioned socket comprises lid, it is characterized in that being shaped on the lid through hole that matches with described lock-connecting piece, when described plug and socket are pegged graft when connecting, correct in through hole before this lock-connecting piece and pass, and make this through hole inner face form backstop to the described outer convex body rear end face on it, this through hole constitutes the interlocking hole, is making a cell body that can form the insulation of capping to the lock-connecting piece front end after pegging graft on the inner face of interlocking hole.

Guiding surface is made in the two sides in the described interlocking hole relative with described evagination body position.

After the utility model is realized, owing to can realize that locking connects between plug and the socket, thus can avoid the phenomenon generation that plug comes off voluntarily, electrical appliance cuts off the power supply midway, and then improve its result of use.

Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.

Fig. 1 has the two-pin plug of lock-connection structure and the inserting state schematic diagram of socket.

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is a bipod socket schematic diagram.

Fig. 4 is the contour structures schematic diagram that has the three-pin plug of lock-connection structure.

Fig. 5 is the side direction view of Fig. 3.

Fig. 6 is facing upward to view of Fig. 4.

Fig. 7 is the structural representation that has the three-pin socket of lock-connection structure.

Fig. 8 is the another kind of version schematic diagram of the utility model button.

By Fig. 1, Fig. 2 as seen, the plug that the utility model provides comprises handle 2, the pin 11 of lead 1, insulation, be characterized in, it also is provided with lock-connection structure, and this structure mainly is made of nut 3, screw 4, briquetting 5, button 6, lock-connecting piece 7 and the through hole, the vexed hole that match with button 6, lock-connecting piece 7 respectively of making on handle.Wherein, nut is annotated solid in handle body, and vexed hole is symmetrical in two pins 11 and in parallel, the section configuration in this vexed hole is a rectangle, its aperture is positioned at plug head, i.e. pin external part is made the through hole of the mounting screw 4 that is used for pegging graft between the screw of the bottom, hole in vexed hole and nut 3; Plant lock-connecting piece 7 in this vexed hole, this lock-connecting piece constitutes by have U-shaped body that better flexible strips of sheet metal is simmered into and the outer convex body of making 8 on the lateral surface of its openend both sides body, the end face that the front end face of this convex body promptly is positioned at pin external part one side is made of sweptback inclined-plane, and end face is then perpendicular to U-shaped body both sides lateral surface thereafter; During installation, the openend of lock-connecting piece stretches out in vexed hole, and the other end then is fixed in the bottom, hole in vexed hole by briquetting 5, screw 4, nut 3; After lock-connecting piece was installed, it inserted and forms the elasticity press contacts between section both sides lateral surface and the vexed hole surface; Make a through hole respectively on the two side, vexed hole relative with lateral surface position, lock-connecting piece both sides, the button 6 that is slidingly installed in this through hole is provided with between the hole wall in this button and vexed hole and prevents its outer stop mechanism that comes off that moves.In the present embodiment, above-mentioned through hole is a cylindrical hole, and chamfering is made in this through hole the inner, and above-mentioned button is made of cylinder, and this cylinder inner end is made the outer convex body that is complementary with described chamfering, and this chamfering, outer convex body constitute above-mentioned stop mechanism.

By Fig. 1, Fig. 2, Fig. 3 as can be known, the socket that provides of the utility model comprises lid, binding post 13 and fixture thereof.Wherein, the spliced eye 18 that installing hole 17 also is set on the lid and matches with the pin of plug, be characterized in, it also is provided with the lock-connection structure that the lock-connecting piece with above-mentioned plug matches, this lock-connection structure constitutes like this, on lid, make a through hole, this through hole is symmetrical in spliced eye 18, and with the U-shaped body front end gabarit shape of lock-connecting piece 7, size is complementary, when described plug and socket are pegged graft when connecting, correct before the described lock-connecting piece 7 in this through hole and to insert and from wherein passing, and make this through hole back-end move backstop, this through hole formation interlocking hole 12 after forming in the face of the rear end face of described outer convex body; Making an insulation cell body 10 that the lock-connecting piece front end after pegging graft is formed capping on the inner face of interlocking hole.

In the present embodiment, insert the interlocking hole for the ease of lock-connecting piece, guiding surface is made in also that it is relative with lock-connecting piece evagination body position two sides, interlocking hole.

By Fig. 4 to Fig. 7 as can be known, the three-pin plug that the utility model provides is the same with above-mentioned two-pin plug, the lead 1, insulated handle 2, the pin 11 that also comprise existing three-pin plug, increase simultaneously and be provided with lock-connection structure, the make of this lock-connection structure is compared its difference with the lock-connection structure of above-mentioned two-pin plug and only is: it is different that the first, the position is set, this lock-connection structure is not arranged between the pin, and is arranged in the handle body below the pin; The second, the size factor of the individual part of formation lock-connection structure changes to some extent; Three, the structure of button 6 forms difference, and this button is made up of external key body 15, internal key body 16 respectively, and the purpose that button is set like this is can make it to waltz through to be used for the vexed hole of lock-connecting piece 7 of planting, thereby is convenient to its installation.In addition, both are identical.

As seen from Figure 7, the three-pin socket that the utility model provides is the same with above-mentioned bipod socket, the lid that also comprises existing three-pin socket, binding post and fixture thereof, wherein, the spliced eye 18 that installing hole 17 is set on the lid and matches with the pin of plug, and the lock-connection structure that matches with three-pin plug is set on this basis, this lock-connection structure is compared with the lock-connection structure of bipod socket except that position and size factor are different, and its make is the same.

In the utility model implementation process, the version that is arranged at the stop mechanism between button 6 and the handle 2 can also be as shown in Figure 8, be that button 6 is made of a uiform section cylinder, make a keyway on this column side face, fix a reference column 14 in handle 2 outsides with the bonding connecting mode that waits simultaneously, and the one end is inserted in the keyway, and both sliding contacts, this reference column and keyway just constitute stop mechanism.When implementing in this way, button 6 can be a cylinder, also can be multiedge cylinder, as four prisms cylinder etc., certainly, when the section configuration of button changes, is arranged at the section configuration with through hole its adapted on the handle and also must changes thereupon.In addition, in implementation process, the front end face of outer convex body 8 also can be made convex surface; When outer convex body adopts the schematic structure form, the interlocking hole also can be made of the uiform section hole, promptly cancel its guiding surface, at this moment, insert in it for ease of lock-connecting piece, should make distance between its two sides relative with the evagination body position be slightly larger than under the free state between openend two lateral surfaces that constitute lock-connecting piece U-shaped body apart from size; Yet, when being slightly less than between the relative two sides, interlocking hole with the evagination body position apart from size constitute under the free state between openend two lateral surfaces of lock-connecting piece U-shaped body apart from size the time, the utility model also can use, its method is: peg graft when connecting at plug and socket, by to the inside relatively pressing keys make the inside shift-in of lock-connecting piece front end both sides body, and then make it to insert in the interlocking hole.

Above-mentioned socket also can also be a mobile jack.

In use.In the time of need pulling up plug, should be to the inside pressing keys relatively, the lock-connecting piece front end is internally moved mutually, make the rear end face disengaging interlocking hole inner face of outer convex body 8, can pull up plug.

Claims (5)

1, a kind of plug that has lock-connection structure, it comprises handle, pin, lead, it is characterized in that being shaped in the handle body a vexed hole parallel with pin, the aperture in this vexed hole is positioned at front end, lock-connecting piece of plant in the vexed hole, this lock-connecting piece is made of a U-shaped body and the outer convex body made on its openend both sides body lateral surface, during installation, its openend stretches out in vexed hole, the bottom, hole in the other end and vexed hole is fixed, make through hole respectively on the two side, vexed hole relative with lateral surface position, lock-connecting piece both sides, the button of slip plug-in mounting cylinder in this through hole is provided with between this button and the handle and prevents its outer stop mechanism that comes off that moves.

2, a kind of plug that has lock-connection structure according to claim 1 is characterized in that the front end face of described outer convex body is made of sweptback plane, and rear end face is made of the plane perpendicular to described U-shaped body both sides lateral surface.

3, a kind of plug that has lock-connection structure according to claim 1 and 2 is characterized in that described through hole is a cylindrical hole, and chamfering is made in this cylindrical hole the inner; Described button is made of cylinder, and the outer convex body that is complementary with described chamfering is made in this cylinder the inner, and this chamfering, outer convex body constitute described stop mechanism.

4, a kind of socket that has lock-connection structure, it comprises lid, it is characterized in that being shaped on the lid through hole that matches with described lock-connecting piece, when described plug and socket are pegged graft when connecting, correct in through hole before this lock-connecting piece and pass, and making this through hole inner face form backstop to the described outer convex body rear end face on it, this through hole constitutes the interlocking hole, is making a cell body that can form the insulation of capping to the lock-connecting piece front end after pegging graft on the inner face of interlocking hole.

5, a kind of socket that has lock-connection structure according to claim 4 is characterized in that guiding surface is made in the two sides in the described interlocking hole that described evagination body position is relative.

Images