A kind of electric power attachment plug
Technical field
The utility model relates to electric device, particularly relates to a kind of electric power attachment plug.
Background technology
At present, existing cable connection joint mainly contain fluid pressure type connect be connected with screw thread fastening type.Fluid pressure type connect shortcoming be that copper cash can only use copper sleeve, aluminum steel can only use aluminium joint, and this fastening means can only adopt hydraulic tongs, and not only cost is higher, and carry, construct very inconvenient.To be connected with construction tool light for screw thread fastening type by contrast, instrument easy construction, the advantage that joint adaptability is good, but, because screw there will be lax under reciprocating force effect.So its fail safe connected is not high.In addition, the space that the action need of spanner is larger, at the inconvenient construction operation of small space.
The Chinese patent literature being CN204315801 as Authorization Notice No. discloses a kind of electric connector, comprise by the combination of intermediate connecting sleeve grafting all-in-one-piece first plug-in unit and the combination of the second plug-in unit, the first plug-in unit combination comprises the first housing, several contact pin and contact pin holder; Second plug-in unit combination comprises the several shell fragment jacks corresponding with several contact pin, and the second housing and shell fragment jack holder.When the first plug-in unit combination and the second plug-in unit combined engagement, intermediate connecting sleeve two ends are fixedly connected with by screw thread with the first housing other end, the second housing other end respectively, and several contact pin injects in corresponding several shell fragment jacks respectively.The technical program structure is simple, grafting convenient, it is reliable to connect, and is applicable to quick connection and the quick separating of power cable, and effectively can lock the connection of the first plug-in unit combination and the combination of the second plug-in unit.There is reliable water-proof function, extend the useful life of connector.But cable spins into electric power attachment plug by workman when stube cable, when spreading line, pullling the easy drawn out cable of cable, connecting firm not.
And for example Authorization Notice No. is that the Chinese patent literature of CN204012629 discloses a kind of electric power quick-detachment connector, comprise tube connector, described tube connector comprises the central part of conduction, and described central part two ends are respectively equipped with a conductive body, is equipped with a conical cavity in each described conductive body; One is provided with for clamping the conduction sandwich of cable in each described conical cavity, and one for the elastomeric element to described conduction sandwich applied thrust, be provided with a block body in described central part, described block body be radially provided with two pin-and-holes, in each described pin-and-hole, be provided with an adjustment pin; Described block body end face is provided with vertically two through holes, described two through holes mate in cross through with two pin-and-holes one to one; Described two regulate pins to conduct electricity sandwich respectively with one of them to realize tractive by steel wire rope; On described tube connector, projection place of pin-and-hole is provided with working hole.There is the workman when stube cable and spun by cable into electric power attachment plug in the technical program, when spreading line, pulls the easy drawn out cable of cable equally, connects not firmly absent from duty.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electric power attachment plug be convenient to, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the utility model provides following technical scheme: a kind of electric power attachment plug, comprise matrix and plug, matrix is connected with cable, described plug and matrix removably connect, the both sides of described matrix are provided with shallow slot, locating piece is provided with in shallow slot, the both sides of plug are provided with locating clip at correspondence position, locating clip is provided with Ka Dong in the position of correspondence, Ka Dong is connected to locating piece place, plug inside is provided with contact pin, matrix is provided with the projection be connected with cable, contact pin contacts with projection, plug is cannon plug, the end of plug is provided with flange collar, plug is socketed with sleeve pipe, the lateral wall of sleeve pipe is provided with external screw thread, the end of sleeve pipe is provided with hexagonal screwing switch block.
The beneficial effect of above technical scheme is adopted to be: plug and matrix removably connect and be convenient to keep in repair and change plug, plug is socketed with sleeve pipe, the lateral wall of sleeve pipe is provided with external screw thread, after plug inserts jack, the internal thread of sleeve pipe and jack screws fixing, realize the relative fixing of jack and plug, locating clip is arranged in wire casing, locating piece plays fixing effect to Ka Dong, matrix and plug are contacted by contact pin and projection, the connection of realizing circuit, the end of sleeve pipe is provided with hexagonal screwing switch block, conveniently operates sleeve pipe.
Preferably, described locating piece is slidably connected relative to matrix, and the sidewall of locating piece is provided with clip slot, and clip slot removably connects relative to Ka Dong.
The beneficial effect of above technical scheme is adopted to be: after the locating clip of plug contacts with the Ka Dong on matrix, slip locating piece, makes the clip slot of locating piece be clamped by Ka Dong, achieve both relatively fixing, during dismounting, locating piece is slided in the other direction, can plug be taken off.
Preferably, described matrix is provided with inner chamber, and the both sides inwall of inner chamber is provided with chute, and the both sides of described locating piece are provided with slide block, and slide block is arranged in chute.
The beneficial effect of above technical scheme is adopted to be: locating piece is slided in chute by slide block, the relative sliding of both realizations, the sliding stroke of inner chamber restriction locating piece.
Preferably, the upper surface of described slide block and lower surface are provided with convex ball, and upper surface and the lower surface of described chute are provided with rubber layer, and upper surface and the lower surface of chute end are provided with pit.
The beneficial effect of above technical scheme is adopted to be: slide block slides in chute, and when convex ball slides into pit, play slide block relatively-stationary effect in chute, rubber layer has elasticity, is convenient to convex ball and slides in chute.
Preferably, between described matrix and cable, this has taper protective cover, and the sidewall of protective cover is pleated structure.
The beneficial effect of above technical scheme is adopted to be: between matrix and cable, this has taper protective cover, the sidewall of protective cover is pleated structure, prevent dust from entering matrix, affect the safe handling of cable, the pleated structure of protective cover is convenient to bend, prevent from cable from occurring 90 ° relative to matrix to bend, avoid cable to fracture.
Preferably, described plug is made up of phosphor bronze.
Preferably, described matrix is made up of duroplasts.
Adopt the beneficial effect of above technical scheme to be: plug is made up of phosphor bronze, and matrix is made up of duroplasts, and phosphor bronze has higher corrosion resistance, wear-resistant, can ensure that contact is good, elastic force is good, dial insert steadily, cost is low, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric power attachment plug of the utility model;
Fig. 2 is the structural representation of locating clip shown in Fig. 1;
Fig. 3 is the structural representation of matrix inner chamber.
Wherein, 1--matrix, 2--plug, 3--flange collar, 4--external screw thread, 5--shallow slot, 6--locating piece, 7--locating clip, 8--Ka Dong, 9--inner chamber, 10--sleeve pipe, 11--hexagonal screwing switch block, 12--protective cover, 13--clip slot, 14--cable, 15--chute, 16--slide block, the convex ball of 17--, 18--pit, 19--rubber layer, 20--projection, 21--contact pin.
Embodiment
The preferred implementation of a kind of electric power attachment plug that the utility model proposes is described in detail below in conjunction with accompanying drawing.
A kind of electric power attachment plug with reference to the accompanying drawings shown in 1 to 3, comprise matrix 1 and plug 2, matrix 1 is connected with cable 14, described plug 2 removably connects with matrix 1, the both sides of described matrix 1 are provided with shallow slot 5, locating piece 6 is provided with in shallow slot 5, the both sides of plug 2 are provided with locating clip 7 at correspondence position, locating clip 7 is provided with card hole 8 in the position of correspondence, card hole 8 is connected to locating piece 6 place, plug 2 inside is provided with contact pin 21, matrix 1 is provided with the projection 20 be connected with cable 14, contact pin 21 contacts with protruding 20, plug 2 is cannon plug, the end of plug 2 is provided with flange collar 3, plug 2 is socketed with sleeve pipe 10, the lateral wall of sleeve pipe 10 is provided with external screw thread 4, the end of sleeve pipe 10 is provided with hexagonal screwing switch block 11, plug 2 and matrix 1 removably connect, so that maintenance and replacing plug 2, plug 2 is socketed with sleeve pipe 10, the lateral wall of sleeve pipe 10 is provided with external screw thread 4, after plug 2 inserts jack, sleeve pipe 10 screws fixing with the internal thread of jack, realize the relative fixing of jack and plug 2, locating clip 7 is arranged in wire casing, locating piece 6 plays fixing effect to card hole 8, matrix 1 and plug 2 are contacted by contact pin 21 and protruding 20, the connection of realizing circuit, the end of sleeve pipe 10 is provided with hexagonal screwing switch block 11, conveniently sleeve pipe 10 is operated, taper protective cover 12 is provided with between matrix 1 and cable 14, the sidewall of protective cover 12 is pleated structure, matrix 1 is entered to prevent dust, affect the safe handling of cable 14, the pleated structure of protective cover 12 is convenient to bend, prevent from cable 14 from occurring 90 ° relative to matrix 1 to bend, avoid cable 14 to fracture.
As shown in Figure 2, locating piece 6 is slidably connected relative to matrix 1, and the sidewall of locating piece 6 is provided with clip slot 13, and clip slot 13 removably connects relative to card hole 8; After the locating clip 7 of plug 2 contacts with the card hole 8 on matrix 1, slip locating piece 6, makes the clip slot 13 of locating piece 6 be clamped in card hole 8, achieves both relatively fixing, during dismounting, is slided in the other direction by locating piece 6, can take off plug 2.
As shown in Figure 3, matrix 1 is provided with inner chamber 9, the both sides inwall of inner chamber 9 is provided with chute 15, the both sides of described locating piece 6 are provided with slide block 16, slide block 16 is arranged in chute 15, locating piece 6 is slided in chute 15 by slide block 16, the relative sliding of both realizations, and inner chamber 9 limits the sliding stroke of locating piece 6; The upper surface of slide block 16 and lower surface are provided with convex ball 17, upper surface and the lower surface of described chute 15 are provided with rubber layer 19, upper surface and the lower surface of chute 15 end are provided with pit 18, slide block 16 slides in chute 15, when convex ball 17 slides into pit 18 place, play slide block 16 relatively-stationary effect in chute 15, rubber layer 19 has elasticity, is convenient to convex ball 17 and slides in chute 15.
In present embodiment, plug 2 is made up of phosphor bronze, matrix 1 is made up of duroplasts, phosphor bronze is a kind of alloyed copper, has good electric conductivity, not easily generates heat, and there is higher corrosion resistance, wear-resistant, guarantee safe while also possess excellent fatigue resistance, make its group to insert steadily and cost is low, safe and reliable.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.