CN2052151U

CN2052151U - Rotary safe receptacle

Info

Publication number: CN2052151U
Application number: CN 89202194
Authority: CN
Inventors: 李彬
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-03-03
Filing date: 1989-03-03
Publication date: 1990-01-31

Abstract

The utility model discloses a rotary safety power socket, comprising a rotatable upper cap, a base and conducting elements. Lugs are respectively arranged on the upper cap and the base, and the lugs are connected by a draught spring. The upper cap is provided with holes, and the number and arrangement of the holes depend on the number and arrangement of conducting inserts on the socket. When a plug is not inserted, the upper cap seals the conducting inserts of the socket; when the plug is inserted, the upper cap is rotated to make the holes on the upper cap corresponding to the conducting inserts and the plug is inserted. The electric connection is achieved. The power socket can prevent that dust and conducting materials enter the electric inserts to cause the short circuit. The utility model has obvious functions of preventing the electric shock and ensuring the safe production.

Description

Rotary safe receptacle

The utility model relates to the supply socket that electrical appliance is connected with power supply, is particularly suitable for two inserted sheet sockets or three inserted sheet sockets and uses.

Supply socket is connected and disengagement with plug, makes various electric equipments switch on or off power supply, is a kind of electric elements that very generally use, and almost is that various electric equipments institute is requisite.Present socket all is by base, and the various conductive pieces on loam cake and the socket are formed.On covered two or three holes, the electrically conductive elastic plug-in unit that clamps inserted sheet is housed on the position of base mating holes, the inserted sheet of plug is inserted realizes in the elastic plugin being electrically connected, pull the plug out of the socket, then electric equipment is cut off the electricity supply.The shortcoming of this supply socket of generally using is conspicuous: first, the electrically conductive elastic plug-in unit is exposed in the surrounding environment, the dust in the easy absorbed air, the bigger place of dust around environment is very poor, even can cause short circuit, generation equipment or personal injury thus; The second, under the more occasion of laboratory or the more socket of electric equipment, employed lead or metal device are strayed into also can cause in the socket aperture and get an electric shock or equipment breakdown; The 3rd, there are not the children of electricity knowledge might touch electric-conductor in the socket aperture, cause electric shock accidents, just because of this, the wall plug of many buildings all is installed in the higher position, prevents electric shock accidents.

The purpose of this utility model is to design a kind of new-type supply socket, has the effect that anti-dust falls into socket, and the while also can prevent to touch the electric-conductor in the socket and cause electric shock.

The said rotary safe supply socket of the utility model mainly is made up of the connector of loam cake (1), base (3), loam cake and base and the electrically conductive elastic plug-in unit conductive pieces such as (2) that is installed on the base.Have on the lower surface of loam cake and loam cake all-in-one-piece projection (4), have on the upper surface of base and base all-in-one-piece projection (5), projection (4) and (5) couple together with the two ends of tension spring.On cover porose (9), its quantity is corresponding with the electrically conductive elastic plug-in unit (2) on the base with layout.Base can be that integral body is made＜Fig. 9〉and also can be divided into upper bed-plate (10) and lower bottom base (11), and both are linked to be integral body.Link into an integrated entity with connector between loam cake and the base, but must guarantee that loam cake can rotate flexibly with respect to base, can adopt loam cake and base screw＜25〉connected mode, screw by on the unthreaded hole that covers be screwed in the screwed hole of base, at the flexible part in screwed hole lower end＜26〉＜as rubber 〉, making is threaded under the situation that leaves the gap between threaded end head plane and loam cake contact-making surface still has certain frictional force, loam cake is connected with base guarantees again that reliably loam cake rotates＜as Fig. 1〉flexibly.Also can adopt the way＜as Fig. 3〉that adds circlip for shaft＜27〉in appropriate location, screw middle part, or in base, establish nut＜28〉＜Fig. 4 〉, screw be screwed into nut on earth after, make threaded end head plane and loam cake end face leave the gap, another method is to prevent the upwards moving boss of string of loam cake at the Kong Zhongyou that upper bed-plate (10) is loaded onto lid (1), upper bed-plate (10) inner face is equipped with guide plate (13), guide plate (13) prevents that loam cake from falling, thereby guarantees that loam cake remains on the desired location.When tension spring (7) when being in free state, on hole (9) discord electrically conductive elastic plug-in unit (2) centering that covers, this moment, loam cake was sealed the electrically conductive elastic plug-in unit, when rotating loam cake by hand or making hole (9) aim at electrically conductive elastic plug-in unit (2) plug insertion (9) the rotation loam cake, just the inserted sheet with plug pushes in the socket electrically conductive elastic plug-in unit, realizes being electrically connected.This moment, spring was subjected to pulling force.When cutting off the electricity supply, extract inserted sheet, loam cake leans on the restorable strength reverse rotation of tension spring to the origin-location of sealing the electrically conductive elastic plug-in unit.Aim at the angle that electrically conductive elastic plug-in unit (2) is rotated in order to demonstrate loam cake hole (9), then can engrave mark at the suitable position of loam cake and base.

Rotate loam cake for convenience and insert plug, can on base, establish various forms of detent mechanisms, a kind of detent mechanism is that groove＜21〉is arranged on base, utilize the projection (4) on the loam cake relevant position, location＜Fig. 7 when projection (4) turns to terminal in groove, 8 〉, second kind of detent mechanism is that reference column (6) is arranged on the base, utilize the projection (4) on the loam cake relevant position, when projection (4) bumps against reference column (6), stop the loam cake rotation and locate＜Fig. 2 〉, the third detent mechanism is that guide plate (13) is housed on the base, the projection that covers in the utilization (4), projection (4) bump against the desired location of guide plate (13) and realize the loam cake location.

The projection of above-mentioned several detent mechanisms (4) has tension spring and two effects in location of connecting, and also can be separately the another one projection is set works to locate collision block last covering.

Raise the efficiency in order to install with easy for installation for the purpose of, on one of them edge of cover rim and base edge, tang is arranged, recess (8) is arranged on another edge, during installation, make concavo-convex mouthful to aim to insert and rotate an angle again, be correct installation site.

Advantage of the present utility model is:

1. when plug does not insert socket, the hole centering that covers on the electrically conductive elastic plug-in unit discord on the socket, so outside the electrically conductive elastic plug-in unit is not exposed to, good result is arranged to preventing to get an electric shock, be a kind of safe and reliable electrical socket.

2. can avoid conductive materials＜as dust, water, corrosive gas and metal object etc.〉to fall into or be adsorbed on the electrically conductive elastic plug-in unit effectively, can prevent the short circuit accident that causes thus, it is particularly suitable to use under the more environment of humidity or dust.

3. only existing socket is done very little change, manufacturer all can produce, and the cost increase is very little, helps promoting the use of under existing working condition.

First kind of rotary safe supply socket installation diagram that accompanying drawing 1 the utility model is designed.

The top view of accompanying drawing 2 accompanying drawings 1.

Second kind of rotary safe supply socket installation diagram of accompanying drawing 3 the utility model design.

The third rotary safe supply socket installation diagram of accompanying drawing 4 the utility model design.

The 4th kind of rotary safe supply socket installation diagram of accompanying drawing 5 the utility model design.

The top view of accompanying drawing 6 accompanying drawings 5.

The 5th kind of rotary safe supply socket installation diagram of accompanying drawing 7 the utility model design.

The top view of accompanying drawing 8 accompanying drawings 7.

The 6th kind of rotary safe supply socket installation diagram of accompanying drawing 9 the utility model design.

Be indefiniteness embodiment of the present utility model below.

Example one:＜accompanying drawing 1.2〉is the rotary safe supply socket that a kind of plug with two inserted sheets uses.Cylindrical base is made by phenolic plastics, and flanged lip is arranged at its top, and recess (8) is arranged on the flanged lip appropriate location, and circular upper cover is also used the phenolic plastics manufacturing, and tang is arranged on the cover rim.Projection (4) is an one with loam cake, projection (5) is made one with base, be that the tension spring (7) of 65Mn couples together with material between projection (4) and the projection (5), with base be that reference column (6) and projection (4), (5) of one all are positioned on the same circumference, angle is slightly larger than 90 ° between projection (4) and reference column (6).There is centre bore at loam cake and base center, centre hole of base is a screwed hole, and the loam cake centre bore is a unthreaded hole, and screw＜25〉compresses the rubber parts＜26〉of bottom, whorl of base hole, loam cake and base are linked into an integrated entity, the flexible rotation of certain frictional force and loam cake between the assurance screw thread.

Example two, basic identical with example one of the socket of accompanying drawing 3, difference is that the connection between loam cake and the base adopts appropriate location in the middle part of the screw to add the way of circlip for shaft＜27 〉.

Example three, basic identical with example one of the socket of accompanying drawing 4, difference are to establish nut＜28〉in the connection employing base between loam cake and the base, and screw is screwed into nut, the interplanar of the upper surface of loam cake and screw termination is gapped, thereby guarantees can rotate flexibly between loam cake and the base.

Example four,＜accompanying drawing 5,6〉are another rectangular rotary safe electrical sockets.This kind socket mainly comprises the base is made up of loam cake (1), upper bed-plate (10) and lower bottom base (11), and the upper bed-plate guide plate (13) and the electrically conductive elastic plug-in unit (2) that fuse.Loam cake is arranged in the hole of upper bed-plate (10), and upper bed-plate rotates relatively, and there is boss in the hole that upper bed-plate is installed loam cake, and upwards string is moving can to prevent loam cake, and guide plate (13) can prevent that loam cake from falling, thereby loam cake is remained on the desired location.Projection (4), (5) are installed in respectively on loam cake and the upper bed-plate (10), link to each other with tension spring therebetween.Loam cake rotates 90 °, then projection (4) rotates to guide plate with loam cake and sets collision location, relevant position, the while extension spring, this moment can be with in the plug insertion socket, otherwise, pull the plug out of the socket, spring is about to projection (4) and is withdrawn into the affranchise position of state of extension spring (7), and loam cake turns to thereupon and makes electrically conductive elastic plug-in unit (2) be enclosed in position in the loam cake.Electrically conductive elastic plug-in unit (2) bottom is connected with power supply with conductive plate etc. by metallic screw.

Example five, the socket of accompanying

drawing

7,8 are a kind of square rotary safe electrical sockets of combined long that use for the plug with the plug of three inserted sheets and two inserted sheets.The detent mechanism of this socket comprises the groove＜21〉on the base and is contained in the projection (4) that moves that can be inserted in the groove＜21〉that covers.

Claims

1, a kind of rotary safe supply socket comprises loam cake [1], and the connector of base, loam cake and base and be installed in electrically conductive elastic plug-in unit conductive pieces such as [2] on the base is characterized in that:

1) loam cake is the  cherry that loam cake can rotate with respect to base with being connected of base

2) loam cake porose [9], the adaptation of the electrically conductive elastic plug-in unit [2] of the quantity in hole and layout and base,

3) be stamped on and loam cake all-in-one-piece projection [4], base has and base all-in-one-piece projection [5], and projection [4] and projection [5] couple together with the two ends of tension spring,

4) said base is an integral type and by upper bed-plate [10], a kind of in the composite type that lower bottom base [11] is formed.

2, according to the said a kind of rotary safe supply socket of claim 1, it is characterized in that having the detent mechanism of qualification loam cake (1) anglec of rotation, said detent mechanism comprises the groove＜21〉on the base and the projection (4) of loam cake.

3, according to the said a kind of rotary safe supply socket of claim 1, it is characterized in that having the detent mechanism of qualification loam cake (1) anglec of rotation, said detent mechanism comprise on the base reference column (6) and on the projection (4) that covers.

4, according to the said a kind of rotary safe supply socket of claim 1, it is characterized in that having the detent mechanism of qualification loam cake (1) anglec of rotation, said detent mechanism comprises the guide plate (13) that is installed on the upper bed-plate (10) and the projection (4) on the loam cake (1).

5,, it is characterized in that covering another projection in addition according to claim 2 or 3 or 4 said a kind of rotary safe supply sockets.

6, according to claim 1 or 2 or 3 or 4 said a kind of rotary safe supply sockets, it is characterized in that on cover rim and base edge, recess (8) is arranged on one of them edge, and having on another edge matches with recess makes loam cake enter the tang of installation site.