Utility model content
An object of the present utility model solves at least the problems referred to above, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of coupler bindiny mechanism of secondary injection molding, fixed by single injection-molded after inserted sheet is connected with wire, strengthen the bonding strength of inserted sheet and inserted sheet support and wire, pass through second time injection moulding in inserted sheet support periphery simultaneously, effectively increase the dielectric strength of coupler bindiny mechanism, further, be provided with the outer ring increasing creepage distance on inserted sheet, solve coupler electric leakage, short circuit and the dielectric strength safety problem caused such as low.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of coupler bindiny mechanism of secondary injection molding, comprising:
At least one conductive insert, described inserted sheet is provided with electrically conducting contact and the fixed part of integral structure, and described fixed part conducts electricity with the wire of coupler and is connected;
Inserted sheet support, it is integral type injection moulding insulation system, and the fixed part of described inserted sheet is arranged in described inserted sheet support, and described electrically conducting contact protrudes from described inserted sheet support, and described wire is drawn from described inserted sheet support; And
External insulation layer, its parcel is arranged on the periphery of described inserted sheet support, and described external insulation layer one end is set to the outer ring with opened portion, and described inserted sheet is arranged in the accommodating cavity of described outer ring.
Preferably, described inserted sheet is copper component, and the termination of described electrically conducting contact is provided with lead angle structure.
Preferably, described fixed part is provided with for strengthening the overhead structure with described inserted sheet support bonding strength, and described overhead structure is arranged in the agent structure of described inserted sheet.
Preferably, one end of described overhead structure is drawn obliquely from described fixed part, and the fixed part that lead division lower end is corresponding offers the first through hole.
Preferably, the both sides of described fixed part are also provided with for strengthening the boss with described inserted sheet support bonding strength.
Preferably, the fixed part of described overhead structure lower end is also provided with and first adds fixed end and second for what be connected with described wire and add fixed end, described overhead structure, the first through hole, boss, first add fixed end and second and add fixed end and be embedded in described inserted sheet support.
Preferably, the upper through of described inserted sheet support offers the second through hole, and described external insulation layer fills described second through hole.
Preferably, the interface surface of described inserted sheet support and described electrically conducting contact is provided with the projection that insulate, and described inserted sheet passes outwards through described projection and is fixed on described inserted sheet support.
Preferably, the outer ring that described external insulation layer comprises insulating body, annular is arranged on insulating body termination and be arranged on the leading part of insulating body end tail, described insulating body is filled described second through hole and is wrapped in the periphery of described inserted sheet support, the projecting termination at described inserted sheet support, described outer ring, described electrically conducting contact and projection are arranged in described outer ring, and described leading part covers and is arranged on described wire periphery.
Preferably, described outer ring protrudes from the termination of described electrically conducting contact, and described outer ring is set to be connected with coupler the dongle configuration that pedestal coordinates.
The utility model at least comprises following beneficial effect:
1, the utility model forms integral structure by an injection moulding after being first connected with wire by inserted sheet, inserted sheet, wire and inserted sheet support bonding strength are high, ensure inserted sheet firm position, simultaneously, improve the qualification rate of coupler production, avoid inserted sheet to plug angle, highly against regulation and cause the defective problem of product;
2, the utility model is on the basis of an injection moulding, be injected with external insulation layer by quadric injection mould in the periphery of inserted sheet support, form complete coupler structure, inserted sheet support encases by external insulation layer completely, serve double-insulated effect, improve the dielectric strength of coupler;
3, the position, termination of inserted sheet support is designed with outer ring structure, increase the creepage distance of inserted sheet, solve that coupler easily leaks electricity, safety problem that short circuit etc. causes, further increase the dielectric strength of coupler simultaneously, and, the effect of the connection location of improving coupler bindiny mechanism is also played in the setting of outer ring, coupler bindiny mechanism and coupler base is plugged more convenient.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in figs. 1-7, the utility model provides a kind of coupler bindiny mechanism of secondary injection molding, comprising:
At least one conductive insert 100, the number that inserted sheet can be freely set is needed according to the connection of coupler, it is generally 2-3, the shape of inserted sheet also can free setting, it is generally copper laminated structure, described inserted sheet 100 is provided with electrically conducting contact 110 and the fixed part 120 of integral structure, the top of inserted sheet 100 is electrically conducting contact 110, for insert coupler base and with coupler base conductive contact, bottom is fixed part 120, for fixing with coupler bindiny mechanism main body, described fixed part 120 conducts electricity with the wire 220 of coupler and is connected, each inserted sheet is connected with a connecting line 210,
Inserted sheet support 300, it is integral type injection moulding insulation system, after inserted sheet 100 and wire 220 are connected and fixed, put into mould together and carry out an injection moulding, after the demoulding, injection molding body to be between inserted sheet 300, the fixed part 120 of described inserted sheet is arranged in described inserted sheet support 300 thus, described electrically conducting contact 110 protrudes from described inserted sheet support 300, as shown in Figure 3, described wire 220 is drawn from described inserted sheet support 300, thus, inserted sheet 100, wire 220 and inserted sheet support 300 form as one formula fixed structure, integral structure is formed by an injection moulding after being connected with wire by inserted sheet, inserted sheet, wire and inserted sheet support bonding strength high, ensure inserted sheet firm position, simultaneously, improve the qualification rate of coupler production, inserted sheet is avoided to plug angle, highly against regulation and cause the defective problem of product, and
External insulation layer 400, after an injection moulding completes, a moulding is placed and carries out second time injection moulding in a mold, namely at periphery injection moulding one layer insulating of inserted sheet support 300, after the demoulding, secondary injection plastomer is external insulation layer 400, a whole injection molding body is just wrapped by secondary injection plastomer thus, define complete coupler bindiny mechanism, thus, on the basis of an injection moulding, external insulation layer is injected with in the periphery of inserted sheet support by quadric injection mould, form complete coupler structure, inserted sheet support encases by external insulation layer completely, serve double-insulated effect, improve the dielectric strength of coupler,
External insulation layer 400 parcel is arranged on the periphery of described inserted sheet support, and, described external insulation layer 400 one end is set to the outer ring 410 with opened portion, described inserted sheet 100 is arranged in the accommodating cavity of described outer ring 410, particularly, whole conductive connection part 110 has just suffered at accommodating cavity, such project organization increases the creepage distance of inserted sheet, after coupler bindiny mechanism is connected with coupler base, add inserted sheet and outside and that coupler is surperficial creepage distance, inserted sheet not easily with external conductive, solve coupler easily to leak electricity, the safety problem that short circuit etc. cause, further increase the dielectric strength of coupler simultaneously.
In a kind of embodiment, on the basis of technique scheme, described inserted sheet 100 is copper component, be specially rectangle platy structure, the termination of described electrically conducting contact 110 is provided with lead angle structure 111, be convenient to when coupler bindiny mechanism and coupler base plug together, guide inserted sheet to insert in jack, be convenient to plug and the location of coupler bindiny mechanism.
In a kind of embodiment, on the basis of technique scheme, described fixed part 120 is provided with for strengthening the overhead structure 122 with described inserted sheet support 300 bonding strength, described overhead structure 122 is arranged in the agent structure of described inserted sheet 100, , concrete, one end of described overhead structure 122 is drawn obliquely from described fixed part 120, form a chamfering, increase the contact-making surface of inserted sheet and inserted sheet support, improve bond strength, simultaneously chamfering effectively prevents the stressed drawback relative to the movement backward of inserted sheet support in inserted sheet swapping process, on the fixed part that overhead structure lead division lower end is corresponding, offer the first through hole 121 simultaneously, during an injection moulding, inserted sheet support is made to run through the first through hole, further increase the bonding strength of inserted sheet and inserted sheet support.
In a kind of embodiment, on the basis of technique scheme, the both sides of described fixed part 120 are also provided with for strengthening the boss 130 with described inserted sheet support 300 bonding strength further.
In a kind of embodiment, on the basis of technique scheme, the fixed part of described overhead structure lower end is also provided with and first adds fixed end 150 and second for what be connected with described wire and add fixed end 140, the conductive part of wire once adds fixed end through first, second, subsequently first, second is added fixed end and conductor clamping is fixed, an injection moulding is carried out after fixing, described overhead structure, the first through hole, boss, first add fixed end 150 and second and add fixed end 140 and be embedded in described inserted sheet support, form integral structure.
In a kind of embodiment, on the basis of technique scheme, the upper through of described inserted sheet support offers the second through hole 310, during second time injection moulding, described external insulation layer 400 fills described second through hole 310, and wrap up the periphery be arranged between inserted sheet, thus make external insulation layer 400 and inserted sheet support fixed.
In a kind of embodiment, on the basis of technique scheme, the interface surface of described inserted sheet support and described electrically conducting contact is provided with and insulate protruding 320, described inserted sheet passes outwards through described protruding 320 and is fixed on described inserted sheet support, that is, the contact jaw of inserted sheet and inserted sheet support is provided with and insulate protruding 320, insulation protruding 320 can play the creepage distance strengthened between each inserted sheet, increase dielectric strength, simultaneously, the bonding strength of inserted sheet and inserted sheet support can be improved, stressed the rocking of electrically conducting contact is avoided even to be out of shape, insulation protruding 320 also has an effect to be: coupler base is provided with draw-in groove, when coupler bindiny mechanism and pedestal plug together and are connected, insulation protruding 320 is just in time fastened in draw-in groove, serve and connect location, improve the effect of bonding strength.
In a kind of embodiment, on the basis of technique scheme, described external insulation layer 400 comprises insulating body, annular is arranged on the outer ring 410 of insulating body termination and is arranged on the leading part 420 of insulating body end tail, described insulating body is filled described second through hole and is wrapped in the periphery of described inserted sheet support, the projecting termination at described inserted sheet support, described outer ring 410, described electrically conducting contact and projection are arranged in described outer ring, thus outer ring 410 serves the creepage distance increasing inserted sheet and outside, make inserted sheet not easily with external conductive, solve coupler easily to leak electricity, the safety problem that short circuit etc. cause, further increase the dielectric strength of coupler simultaneously.Described leading part 420 covers and is arranged on described wire periphery, to fracture breakage for avoiding wire in end.In particular, described outer ring 410 protrudes from the termination of described electrically conducting contact, and described outer ring is set to be connected with coupler the dongle configuration that pedestal coordinates, that is outer ring defines a specific syndeton, coordinate with the syndeton on coupler base, play the effect of the connection location of improving coupler bindiny mechanism, coupler bindiny mechanism and coupler base are plugged more convenient, simultaneously, the hardness ratio of external insulation layer is larger, particularly outer collar region, prevents from distorting, and causes the loose contact of coupler.
From the above mentioned, fixed by single injection-molded after inserted sheet is connected with wire, strengthen the bonding strength of inserted sheet and inserted sheet support and wire, pass through second time injection moulding in inserted sheet support periphery simultaneously, effectively increase the dielectric strength of coupler bindiny mechanism, further, be provided with the outer ring increasing creepage distance on inserted sheet, solve coupler electric leakage, short circuit and the dielectric strength safety problem caused such as low.
Wherein, integral structure is formed by an injection moulding after inserted sheet is first connected with wire by the utility model, inserted sheet, wire and inserted sheet support bonding strength are high, ensure inserted sheet firm position, simultaneously, improve the qualification rate of coupler production, avoid inserted sheet to plug angle, highly against regulation and cause the defective problem of product; And on the basis of an injection moulding, be injected with external insulation layer by quadric injection mould in the periphery of inserted sheet support, form complete coupler structure, inserted sheet support encases by external insulation layer completely, serves double-insulated effect, improves the dielectric strength of coupler; Further, the position, termination of inserted sheet support is designed with outer ring structure, increase the creepage distance of inserted sheet, solve that coupler easily leaks electricity, safety problem that short circuit etc. causes, further increase the dielectric strength of coupler simultaneously, further, the effect of the connection location of improving coupler bindiny mechanism is also played in the setting of outer ring, coupler bindiny mechanism and coupler base is plugged more convenient.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.