Summary of the invention
The present invention seeks to satisfy the situation that lead together rotates with electric equipment in order to solve the existing electric wire connecting junction of wire bonds or canoe that adopts; There is the lead knotting or twists into two parts phenomenon; And then the problem that causes short circuit, opens circuit, a kind of safety rotation electric wire connecting junction is provided.
A kind of safety rotation electric wire connecting junction according to the invention provides two technical schemes:
First technical scheme, four connection jaws are at the not homonymy of shell, and a kind of safety rotation electric wire connecting junction comprises shell, external connection layer, inner rotary layer, external fixation layer, insulating barrier, internal fixation layer, interior rotating layer and internal wiring layer,
Inner rotary layer and interior rotating layer are bearing, and the bearing diameter of inner rotary layer is greater than the bearing diameter of interior rotating layer,
The madial wall of inner rotary layer is fixed on the shell through the external fixation layer, and the lateral wall of interior rotating layer is fixed on the shell through the internal fixation layer, between inner rotary layer and the interior rotating layer insulating barrier is set,
The external connection layer is set between inner rotary layer and the shell,
The internal wiring layer is set between interior rotating layer and the shell,
One side end face of shell is provided with movable external connection port and movable internal wiring mouth; Movable external connection port links to each other with the inner rotary layer; Movable internal wiring mouth links to each other with interior rotating layer, and on shell and movable external connection port and the movable internal wiring mouth correspondence position annular mouth is set all
The opposite side end face of shell is provided with fixedly external connection port and fixedly internal wiring mouth, and fixedly external connection port links to each other with the external fixation layer, and fixedly the internal wiring mouth links to each other with the internal fixation layer.
Second technical scheme, four connection jaws are in the same side of shell, and a kind of safety rotation electric wire connecting junction comprises shell, external connection layer, inner rotary layer, external fixation layer, insulating barrier, internal fixation layer, interior rotating layer and internal wiring layer,
Inner rotary layer and interior rotating layer are bearing, and the bearing diameter of inner rotary layer is greater than the bearing diameter of interior rotating layer,
The madial wall of inner rotary layer is fixed on the shell through the external fixation layer, and the lateral wall of interior rotating layer is fixed on the shell through the internal fixation layer, between inner rotary layer and the interior rotating layer insulating barrier is set,
The external connection layer is set between inner rotary layer and the shell,
The internal wiring layer is set between interior rotating layer and the shell,
The same side end face of shell is provided with movable external connection port, movable internal wiring mouth, fixedly external connection port and fixing internal wiring mouth; Movable external connection port links to each other with the inner rotary layer; Movable internal wiring mouth links to each other with interior rotating layer; And on shell and movable external connection port and the movable internal wiring mouth correspondence position annular mouth is set all, fixedly external connection port links to each other with the external fixation layer, and fixedly the internal wiring mouth links to each other with the internal fixation layer.
Advantage of the present invention: the invention solves the connectivity problem in the circuit rotary course, the low-resistance bearing that adopts two different-diameters can effectively reduce the resistance in the rotary course, and can in circuit, not add tangible resistance as rotary system.Volume is little, and cost is low, and is safe, and right dress property is good.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1 and Fig. 2; The said a kind of safety rotation electric wire connecting junction of this execution mode; It comprises shell 1, external connection layer 2, inner rotary layer 3, external fixation layer 4, insulating barrier 5, internal fixation layer 6, interior rotating layer 7 and internal wiring layer 8
Inner rotary layer 3 is a bearing with interior rotating layer 7, and the bearing diameter of inner rotary layer 3 is greater than the bearing diameter of interior rotating layer 7,
The madial wall of inner rotary layer 3 is fixed on the shell 1 through external fixation layer 4, and the lateral wall of interior rotating layer 7 is fixed on the shell 1 through internal fixation layer 6, between inner rotary layer 3 and the interior rotating layer 7 insulating barrier 5 is set,
Between inner rotary layer 3 and the shell 1 external connection layer 2 is set,
Between interior rotating layer 7 and the shell 1 internal wiring layer 8 is set,
One side end face of shell 1 is provided with movable external connection port 9 and movable internal wiring mouth 10; Movable external connection port 9 links to each other with inner rotary layer 3; Movable internal wiring mouth 10 links to each other with interior rotating layer 7, and on shell 1 and movable external connection port 9 and movable internal wiring mouth 10 correspondence positions annular mouth is set all
The opposite side end face of shell 1 is provided with fixedly external connection port 11 and fixedly internal wiring mouth 12, and fixedly external connection port 11 links to each other with external fixation layer 4, and fixedly internal wiring mouth 12 links to each other with internal fixation layer 6.Except that two link mouths, the shell 1 not perforate of this side is to guarantee safety.
The shell of the circumferential section of movable external connection port 9 and movable internal wiring mouth 10 is removed, and is the rotation leaving space of connection jaws.
The said safety rotation of this execution mode electric wire connecting junction there is a circular endoporus, this endoporus is fixed in the circular fixing hole, utilize the frictional force of shell and fixing hole to fix.Rotation connection jaws (movable external connection port 9 and movable internal wiring mouth 10) links to each other with the power consumption equipment of rotation; Link mouth (fixedly external connection port 11 with fixedly internal wiring mouth 12) links to each other with fixed power source, and the power of safety rotation electric wire connecting junction rotation is provided through pulling of lead by slewing.
Embodiment two: this execution mode is described further execution mode one, and the material of the bearing of inner rotary layer 3 and interior rotating layer 7 is steel, iron, aluminium, copper, silver or plumbous.
When adopting the steel bearing to do rotary system, ambroin is as overcoat, and prepared safety rotation electric wire connecting junction resistance is less than 10 Ω; Cost be no more than 20 yuan/individual; Service test shows that the life-span reaches more than 1000 hours, in the use continuously; Resistance does not have significant change, and rotational resistance slightly fluctuates.
Embodiment three: this execution mode is described further execution mode one, and the material of insulating barrier 5 is rubber, glass, pottery or insulating paper.The filled rubber ring prevents short circuit as insulation between two bearings.
Embodiment four: this execution mode is described further execution mode one, and the side profile of shell 1 is circular, square or irregularly shaped.And there is circular hole the centre, and this circular hole is used for the location.
Embodiment five: this execution mode is described further execution mode one, and the material of shell 1 is rubber, plastics, glass, pottery or insulating paper.
Embodiment six: this execution mode is described below in conjunction with Fig. 1 and Fig. 3; A kind of safety rotation of this execution mode electric wire connecting junction; It comprises shell 1, external connection layer 2, inner rotary layer 3, external fixation layer 4, insulating barrier 5, internal fixation layer 6, interior rotating layer 7 and internal wiring layer 8
Inner rotary layer 3 is a bearing with interior rotating layer 7, and the bearing diameter of inner rotary layer 3 is greater than the bearing diameter of interior rotating layer 7,
The madial wall of inner rotary layer 3 is fixed on the shell 1 through external fixation layer 4, and the lateral wall of interior rotating layer 7 is fixed on the shell 1 through internal fixation layer 6, between inner rotary layer 3 and the interior rotating layer 7 insulating barrier 5 is set,
Between inner rotary layer 3 and the shell 1 external connection layer 2 is set,
Between interior rotating layer 7 and the shell 1 internal wiring layer 8 is set,
The same side end face of shell 1 is provided with movable external connection port 9, movable internal wiring mouth 10, fixedly external connection port 11 and fixing internal wiring mouth 12; Movable external connection port 9 links to each other with inner rotary layer 3; Movable internal wiring mouth 10 links to each other with interior rotating layer 7; And on shell 1 and movable external connection port 9 and movable internal wiring mouth 10 correspondence positions annular mouth is set all, fixedly external connection port 11 links to each other with external fixation layer 4, and fixedly internal wiring mouth 12 links to each other with internal fixation layer 6.Except that two link mouths, the shell 1 not perforate of two residing circumference of link mouth is to guarantee safety.
The shell of the circumferential section of movable external connection port 9 and movable internal wiring mouth 10 is removed, and is the rotation leaving space of connection jaws.
The said safety rotation of this execution mode electric wire connecting junction there is a circular endoporus, this endoporus is fixed in the circular fixing hole, utilize the frictional force of plastic casing and fixing hole to fix.Rotation connection jaws (movable external connection port 9 and movable internal wiring mouth 10) links to each other with the power consumption equipment of rotation; Link mouth (fixedly external connection port 11 with fixedly internal wiring mouth 12) links to each other with fixed power source, and the power of safety rotation electric wire connecting junction rotation is provided through pulling of lead by slewing.
Embodiment seven: this execution mode is described further execution mode six, and the material of the bearing of inner rotary layer 3 and interior rotating layer 7 is steel, iron, aluminium, copper, silver or plumbous.
When adopting the steel bearing to do rotary system, ambroin is as overcoat, and prepared safety rotation electric wire connecting junction resistance is less than 10 Ω; Cost be no more than 20 yuan/individual; Service test shows that the life-span reaches more than 1000 hours, in the use continuously; Resistance does not have significant change, and rotational resistance slightly fluctuates.
Embodiment eight: this execution mode is described further execution mode six, and the material of insulating barrier 5 is rubber, glass, pottery or insulating paper.The filled rubber ring prevents short circuit as insulation between two bearings.
Embodiment nine: this execution mode is described further execution mode six, and the side profile of shell 1 is circular, square or irregularly shaped.And there is circular hole the centre, and this circular hole is used for the location.
Embodiment ten: this execution mode is described further execution mode six, and the material of shell 1 is rubber, plastics, glass, pottery or insulating paper.