CN100349331C

CN100349331C - Revolvable plug and socket

Info

Publication number: CN100349331C
Application number: CNB018238777A
Authority: CN
Inventors: 兰·科恩
Original assignee: Safety Quick Light Ltd
Current assignee: SKYX Platforms Corp
Priority date: 2001-11-22
Filing date: 2001-11-22
Publication date: 2007-11-14
Anticipated expiration: 2021-11-22
Also published as: DE60131202T2; AU2002221000A1; BR0116819A; DE60131202D1; ES2295111T3; CA2468186A1; HK1072835A1; CA2468186C; EP1456914A1; WO2003044906A1; RS49897B; NZ533697A; EP1456914B1; AU2002221000B2; MXPA04004959A; YU66303A; ATE377275T1; CN1582518A; EP1456914A4

Abstract

The present invention relates to a light-duty electric appliance, such as a supporting device of a lamp fitting and a small fan. According to the device (Figure 2) of the present invention, the combination of a plug (12) and a socket (10) is provided. The combination supplies power and supports the device in a mode that a user is allowed to change the direction of the device. The combination is especially useful under the condition that the lamp fitting is frequently moved from a place to another place and comprises a fixable socket (20) and the plug (12) which can rotate in the fixable socket (20); consequently, the device can conduct electric power and mechanically supports and receives the electric power in the expected direction.

Description

Revolvable plug and socket

Technical field

The present invention relates to light-duty electrical equipment, for example the bracing or strutting arrangement of light fixture and small fan.

More specifically, the invention provides a kind of combination of plug and socket, described combination comes power devices and support in the mode that allows the user to change the direction of equipment.Described being combined in need be continually moves under the situation at another place light fixture particularly useful from one.

Background technology

Among the formerly disclosed Israel patent No.126246, the inventor has described the combination of a kind of socket and plug, to come conduct power by described plug and mechanically to support light equipment.Described equipment can be lamp, camera, personal television, television camera, small fan etc.The present invention is that it is incorporated herein by reference to the development of this early stage patent and improvement.

In our early stage patent, described socket has the pin similar to conventional socket and receives jack.Therefore, after equipment being inserted in the socket that is installed to rigidly on wall or the ceiling, just can not change the direction that is connected to the equipment on the plug again.When the article of installing are basic symmetry, for example be installed in the ordinary incandescent lamp in the cylinder lamp socket, this restriction is insignificant.Yet have the illuminating equipment that much has reflector need be on specific direction directed, perhaps wish two near but different positions serve for the user.In order to use non-oscillatory fan, micro television video camera or receiver effectively, the direction orientation is very important.

Williams discloses a kind of connector in U.S. Patent No. 4753600, its by hand instrument be connected on the flexible that hangs down.This connector is put into flexible and allow unconfined rotation under the situation of non-warping cable.This connector can not be installed on the building surface, can not support any load.

Arrange like this by the rotatable connector that Salzberg proposes in U.S. Patent No. 6068490, that is, insert in the socket on the wall, but except himself weight, do not support any load.Rotatable portion has the cable that stops at socket.

Summary of the invention

Therefore, an object of the present invention is to eliminate the limitation of plug and socket in the prior art, and provide a kind of being arranged to can be simultaneously rotary load (that is electrical equipment) to be supported and the assembly of power supply.

Another object of the present invention is to reduce cost by the embodiment that the single phase power supply line is provided, and this embodiment only needs two slip rings and replaced three slip rings of rotatable plug of the prior art.

The present invention realizes above-mentioned purpose by the combination that a kind of fixable socket and the plug that can rotate therein are provided, and this combination is used for conduct power and mechanically supports the equipment that is used to receive described electric power on the direction of expectation, and described combination comprises:

A) be installed to socket on wall or the ceiling rigidly, described socket comprises non-conductive main body, the arc conductive jack of hollow that this non-conductive main body comprises at least two intervals, described jack is insulated from each other and have common centre of curvature and can be connected on the power supply, and described socket supports first member of the mechanical connection that is positioned at described center of curvature place rigidly;

B) plug, also comprise non-conductive main body, it is installed on the equipment rigidly and is arranged to and mechanically supports this equipment from first surface, described plug supports at least two outstanding conductive base pins insulated from each other from second surface, described pin can be respectively engages and can be connected on the conductor with to described power devices with described two arc jacks at least, described plug comprises second member, and this second member can and allow described plug to rotate at least in part around the described center of curvature with described first member engages of described mechanical connection; And

C) releasable locking (latching) device, it is installed in the described combination, provides confining force to prevent to separate and support described equipment when engaging between described socket and plug.

The combination of a kind of socket and plug is provided in a preferred embodiment of the invention, and wherein said first member comprises the hole, and described second member comprises the columnar projections element that engages with described hole.

The combination of a kind of socket and plug is provided in more preferred embodiment of the present invention, and two parts of wherein said mechanical connection all can conduct electricity and be arranged to be connected with metal wire and as earth connection.

Will be further described below embodiments of the invention.

Realized novel connector of the present invention like this, it is used to allow the Fast Installation compact electric apparatus.Different with industrial bus, the present invention has kept being suitable for the standard outward appearance of residential block.According to the present invention, except can changing another equipment that mates with plug quickly and easily, also can change the direction of supported equipment.

The present invention does not have to describe and is used for plug is remained on locking device on the direction of expectation, and this locking device is the annex that needs.Yet description of the Prior Art polytype locking, braking, stabilizing arrangement or position holding device, and can easily suitable locking device be increased to plug-socket of the present invention combination and go up so that plug is remained on any desired position.

Description of drawings

To further describe the present invention with reference to the accompanying drawings by exemplary preferred embodiment of the present invention now.For understand the present invention, just only provide CONSTRUCTED SPECIFICATION when needed from the basis.Example of describing and accompanying drawing will make together those skilled in the art understands how to realize other form of the present invention.

In the accompanying drawings:

Fig. 1 is the concise and to the point stereogram that is installed to the preferred embodiment of socket on the wall and plug combination according to the present invention;

Fig. 2 show plug with the cutaway view of same embodiment before socket engages;

Fig. 3 is installed on the ceiling and the cutaway view of the embodiment of supports fan;

Fig. 4 is the vertical view of the socket described in Fig. 1 and Fig. 2;

Fig. 5 is the detailed section view of second embodiment of tripping-gear; And

Fig. 6 is the stereogram that supports the plug-socket combination of light-duty equipment.

Embodiment

The combination of a kind of fixable socket 10 and plug 12 has been shown among Fig. 1,2 and 4.Plug 12 can rotate and receive therefrom electric power in socket 10.Combination 10+12 also is used for mechanically supporting light equipment 14 on the direction of expectation, and light equipment 14 is a personal television in this example, and it receives described electric power.

As shown in Figure 2, socket 10 is installed on the wall 16.Socket 10 has flat 18 and the hole 20 that allows screw 22 to pass through.Socket 10 has the non-conductive main body that is made of plastics.Can be clear that in Fig. 4 the arc conductive jack of the hollow at three

intervals

24,26,28 is insulated from each other and have a common centre of curvature 36.All three

jacks

24,26,28 all comprise the molded recess (one of them recess is seen Fig. 2) that includes conducting plug 30, and they can for good and all be connected on the power supply by lead 32.

Socket 10 supports first member 34 of the mechanical connection at 36 places, radius of curvature center that are positioned at

conductive jack

24,26,28 rigidly, and this first member 34 comprises cylindrical hole.

The plug 12 that is made of plastics equally is arranged to and socket 10 couplings.Plug body is made of plastics, and than the big slightly so that plug of conventional plug from first surface 38 fastening rigidly.Plug 12 has second surface 40 mechanically to support

pin ring

43a, 43b, the 43c of conduction.The weight of equipment 14 is approximately 0.5 to 5kg, and this weight depends on the supporting construction under the situation that wall is installed.Distance between wall 16 and the equipment center of gravity 42 is more little, and the load that can support is just big more.

Three outstanding conductive base pin loop mappings insulated from each other become to engage with three

arc jacks

24,26,28 of socket 10 respectively.The pin ring is connected on the conductor 62 to power to equipment 14.

Plug 12 also supports second member, 44, the second members 44 and engages and allow plug 12 to rotate at least in part around the center of curvature 36 with first member 34 of mechanical connection.

Preferably and as shown in the figure, first member 34 comprises that the hole and second member 44 comprise the columnar projections element that engages with described hole 34.On the contrary, to have protruding component also be feasible to socket 10.

Releasable locking device 46 remains on plug 12 in the socket 10 by provide confining force between socket and plug, to prevent to separate and support described equipment.Locking device 46 in the present embodiment comprises the styletable 48 of the ftractureed expansion that has shoulder 50.Inner shouldered push rod 52 moves vertically to expand this cracking and holds 48, makes the hole adjacency of the shoulder 50 and first member 34.

The size of locking device 46 is made as with enough confining forces and engages with first member 34, thereby can support the equipment 14 of the 2kg in the ceiling socket between the earthquake period of such intensity, this intensity can not make described aggregate erection in building recurring structure damage wherein.The user can not wish that equipment is also continued to support after the violent earthquake that the building self structure is damaged.

With reference to all the other accompanying drawings, use identical Reference numeral to represent identical part.

Fig. 3 shows the embodiment of interconnective socket 10 and plug 54.Can see that socket 10 is installed on the ceiling 56.Plug 54 supports fan 58 can make wafter to any desired direction by rotary connector 54 in socket 10.Increase bowl-shape cover 60 to improve outward appearance and to prevent that the user from contacting with electric wire 32,62.Intraware to do not have interconnective plug 12 similar shown in Fig. 2 with socket 10.

With reference now to Fig. 5,, describe the combination of socket 64 and plug 66 in detail, wherein two

parts

68,70 of mechanical connection all can conduct electricity and be arranged to be connected to be used as earth connection with metal wire.Preferably the pin ring 43b with ground pin among Fig. 2 removes from plug, arc recess 26 among Fig. 2 is removed from socket, and plug and socket is all made forr a short time.

Socket 64 supports first member 68 of the mechanical connection that is positioned at the center of curvature 36 places rigidly.Member 68 is the molded recessed hardware that enters plastic body 66.Because therefore the high stress (this member 68 is the metal structures that under any circumstance all have advantage) of effect on member 68 select mechanical connection to be used as grounding device.

Maintaining body in the present embodiment comprises a plurality of hard mooring balls (captive ball) 72, there is shown their external position.When ball 72 is outwards outstanding, can not take out binding post 70, so ball 72 remains on plug 66 in the socket 64 by member 68.Inwardly promote rod member 74 it is leaned against on the compression spring 76, thereby take out plug 66 in the recess 78 to allow ball 72 to be retracted into.

Fig. 6 shows the combination to socket 80 similar shown in Fig. 1 and plug 82.Be powered with equipment supported be electrical lamp 84.The hollow support arm 86 that has cable 88 is installed on the side of plug 82.Light fixture 84 can be installed apace, regulate with luminous along the direction of expectation, and removes apace under the situation that is not having instrument to help when not required.

The scope of invention of describing not only is included in all embodiment in the intention of the present invention.Above-mentioned example shows useful form of the present invention, but it can not be considered to limit the scope of the invention, those of ordinary skill in the present technique field can easily be recognized, can carry out other changes and modification to the present invention under the situation that does not break away from intention of the present invention.

Claims

1. the combination of the fixable socket and the plug that can rotate therein, this combination is used for conduct power and mechanically supports the equipment that receives described electric power on the direction of expectation, and described combination comprises:

A) socket, be installed to rigidly on wall or the ceiling, described socket comprises non-conductive main body, the arc conductive jack of hollow that this non-conductive main body comprises at least two intervals, described jack is insulated from each other and have common centre of curvature and be connected on the power supply, and described socket supports first member of the mechanical connection that is positioned at described center of curvature place rigidly;

B) plug, also comprise non-conductive main body, it is installed on the equipment rigidly and is arranged to and mechanically supports this equipment from first surface, described plug supports at least two outstanding conductive base pin elements insulated from each other from second surface, described pin can be respectively engages and can be connected on the conductor with to described power devices with described two arc jacks at least, described plug comprises second member, and this second member can and allow described plug to rotate at least in part around the described center of curvature with described first member engages of described mechanical connection; And

C) releasable locking device, it is installed in the described combination, and when engaging, provides confining force to prevent to separate and support described equipment between described socket and plug.

2. the combination of socket according to claim 1 and plug is characterized in that, described first member comprises the hole, and described second member comprises the columnar projections element that engages with described hole.

3. the combination of socket according to claim 2 and plug is characterized in that, described releasable locking device is a mooring ball stabilizing arrangement.

4. the combination of socket according to claim 2 and plug is characterized in that, first member of described mechanical connection, second member two parts all can conduct electricity and be arranged to be connected to be used as earth connection with metal wire.

5. the combination of socket according to claim 1 and plug, it is characterized in that, described locking device comes and described first member engages with enough confining forces, thereby can not make the building that described combination is installed cause to support the equipment of the 2kg in the ceiling socket between earthquake period structural failure, intensity.

6. the combination of socket according to claim 1 and plug is characterized in that, described equipment is electrical lamp.