CN219458067U - Connector connecting sheet - Google Patents

Abstract

The utility model relates to a connector connecting piece relates to the technical field of conducting strips, and comprises a conducting strip, the conducting strip includes connecting portion, grafting portion and fixed part, connecting portion are used for being connected with cable heart yearn electricity, the lateral surface and the laminating of plastic housing of fixed part, grafting portion is used for inserting inside the jack of corresponding socket, be equipped with the mounting on the fixed part, offer the spacing hole that carries out spacing to naked copper wire on the connecting portion, the cross-sectional shape in spacing hole is the reduction trend; this application is through setting up of spacing hole, and spacing hole open-ended less one side is in the position of keeping away from the fixed part, and when the copper wire is less fine, removes the copper wire to spacing hole cross-section open-ended less one side and with the inner wall butt of this department to this clearance that reduces copper wire and this spacing hole inner wall, reduce the likelihood that the butt of two is not hard up when fixed with connecting portion welded to copper wire, improve the welded fastening effect of copper wire and connecting portion.

Description

Connector connecting sheet

Technical Field

The application relates to the technical field of conducting strips, in particular to a connector connecting sheet.

Background

At present, in some construction sites, more and more building teams begin to adopt electric tools, such as electric shovels, electric drills, electric picks and the like, and as the construction sites cannot guarantee that an external power supply exists at each position, some electric tools with storage batteries exist on the market, users can charge the electric tools by using matched chargers, and plugs at the end parts of the chargers are plugged into power supply sockets when the chargers are used.

In the related art, referring to fig. 1, a plug connector of a charger includes a plastic housing 3 and a plurality of metal sheets 4, one side of the metal sheet 4 is provided with an oval connecting hole 41, the housing 3 is placed in a corresponding injection molding cavity with a part of the metal sheet 4 in the injection molding process, the assembly of the housing 3 and the metal sheet 4 is synchronously realized after the injection molding of the housing 3 is completed and cooled, then the electric connection of a cable and the metal sheet 4 is realized, firstly, an insulating skin on the outer side surface of a cable core is stripped, a copper wire is exposed, and finally, a worker overlaps the copper wire on the inner wall edge of the connecting hole 41 through welding.

However, when the copper wires inside the cable are less and thinner, the gaps between the copper wires and the inner walls of the connecting holes are larger due to the fact that the copper wires are less and thinner, the adhesion between the copper wires and the inner walls of the connecting holes between welding is not tight enough, and finally poor welding effect can be caused, so that poor contact between the metal sheets and the cable is caused after welding is finished.

Disclosure of Invention

The purpose of this application is to provide a connector connection piece, solves the circumstances that the connection of cable inside copper wire is less when thinner probably with the sheetmetal appears in the contact failure among the above-mentioned correlation technique.

The connector connecting sheet adopts the following technical scheme:

the utility model provides a connector connection piece, includes the conducting strip, the conducting strip includes connecting portion, grafting portion and fixed part, the connecting portion is used for being connected with cable heart yearn electricity, the lateral surface and the laminating of plastic casing of fixed part, grafting portion is used for inserting inside the jack of corresponding socket, be equipped with the mounting on the fixed part, set up the spacing hole that carries out spacing to stripping insulating skin copper wire on the connecting portion, the cross-sectional shape of spacing hole is the reduction trend.

Through adopting above-mentioned technical scheme, when the heart yearn of cable is connected with the connecting portion electricity, at first, need the staff to expose the insulating skin of cable and with inside copper wire, overlap joint copper wire at the surface of connecting portion and conflict and pass through welded fastening, be the setting of reduction trend through spacing hole cross-section shape, when naked copper wire is less thin, can place the copper wire in spacing hole cross-section opening great one side earlier, then remove along spacing hole's inner wall, remove the copper wire to opening less one side and conflict with the inner wall of this department, thereby reduce copper wire and spacing downthehole wall's clearance, reduce copper wire in welding process with the not hard up possibility of conflict of connecting portion, make copper wire and spacing hole's inner wall can laminate more closely, the staff of being convenient for finally pass through welder with copper wire and connecting portion welded fastening, improve copper wire and connecting portion's electric connection performance.

Optionally, the cross-sectional shape of the limiting hole is pear-shaped, and the size of the cross-sectional opening of the limiting hole decreases along a direction away from the fixing part.

Through adopting above-mentioned technical scheme, spacing hole's cross-sectional shape is pear shape, the less one side of spacing hole opening of pear shape cross-section is in the position of keeping away from the fixed part, the great one side of opening is in the position that is close to the fixed part, when the naked copper wire of cable is more, can overlap copper wire carries out welded fastening on the great inner wall of spacing hole cross-section opening, when the copper wire is less thin, insert the great one side of spacing hole cross-section opening earlier with the copper wire, then remove along the inner wall of spacing hole, remove the copper wire to the less one side of spacing hole cross-section opening and with the inner wall butt of here, thereby reduce the clearance of copper wire and here spacing downthehole wall, reduce the likelihood that the butt of two is not hard up when fixed with connecting portion welded to the copper wire, improve the welded fastening effect of copper wire and connecting portion.

Optionally, the cross-section of the limiting hole is conical, and the limit Kong Jianduan of the conical cross-section is located away from the fixing portion.

Through adopting above-mentioned technical scheme, when the naked copper wire of cable is less thinner, overlap joint the inner wall of naked copper wire and the spacing hole tip of toper to this clearance that reduces copper wire and spacing hole, can be better carry out welded fastening to copper wire and connecting portion, improve the electric connection performance of copper wire and connecting portion.

Optionally, rounded corners are arranged at the junctions of two adjacent side surfaces on the inner wall of the conical limiting hole.

Through adopting above-mentioned technical scheme, at the in-process of copper wire and spacing hole butt, through the setting of fillet, reduce the possibility that the copper wire appears wearing and tearing with spacing hole inner wall butt in-process.

Optionally, the fixing piece is a plurality of fixing holes formed on the fixing part.

Through adopting above-mentioned technical scheme, in the equipment process of conducting strip and plastic housing, the plastic pellet of molten state pours the die cavity into with the shell injection moulding, inserts the fixed part of conducting strip in the die cavity simultaneously and accomplishes the equipment of conducting strip and shell in step, and the particle of molten state runs through the fixed orifices in the pouring die cavity in-process, further fixes conducting strip and fixed part after the particle cooling of molten state, reduces the possibility that the equipment of conducting strip and shell appears not hard up.

Optionally, the fixing piece includes a limiting groove formed in a position of the fixing portion away from the connecting portion.

Through adopting above-mentioned technical scheme, in the plastic housing's the processing course of moulding plastics, put into the die cavity inside of shell with the fixed part of conducting strip to this molten state's plastic particle flows into the die cavity inside, fills up the spacing inslot simultaneously, after the particle cooling of molten state, strengthened the conducting strip and the connection of shell has improved the stability of assembling of shell and conducting strip.

Optionally, the fixing piece further comprises a plurality of clamping grooves arranged at the position of the fixing part close to the connecting part,

through adopting above-mentioned technical scheme, at the in-process of moulding plastics of shell, fixed part inserts corresponding inside the die cavity of moulding plastics, and the molten state's plastic particle also fills up the draw-in groove simultaneously when filling the die cavity, has accomplished the equipment of conducting strip and shell after the cooling and has fixed to this further improves the equipment stability of conducting strip and shell.

Optionally, the fixing piece comprises an L-shaped caulking groove arranged on the outer side surface of the fixing part.

Through adopting above-mentioned technical scheme, at the in-process of moulding plastics of shell, fixed part inserts corresponding moulding plastics die cavity inside, and the plastic pellet of molten state also finishes L type caulking groove intussuseption simultaneously when filling the die cavity, through the setting of L type caulking groove, after the plastic pellet cooling of molten state finishes, further strengthens the stability of assembling of conducting strip and shell.

Optionally, the thickness dimension of the connecting portion is smaller than the thickness dimension of the fixing portion and the plugging portion.

Through adopting above-mentioned technical scheme, when the jack that the plug corresponds is less, because the whole area of connecting portion is less, can regard as the part that can peg graft to insert inside the jack that corresponds with connecting portion to this realizes the electricity of conducting strip and socket and is connected, and because the thickness of connecting portion is less, is convenient for insert inside the little jack that corresponds with connecting portion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of limiting hole's cross-sectional shape for pear shape/conical, limiting hole open-ended less one side is in the position of keeping away from the fixed part, when the copper wire is less, inserts limiting hole cross-sectional open-ended great one side earlier with the copper wire, then remove along limiting hole's inner wall, remove the copper wire to limiting hole cross-sectional open-ended less one side and with the inner wall butt of this department, with this clearance that reduces copper wire and this limiting hole inner wall, reduce the possibility that the butt of two is not hard up when fixed with connecting portion welded to copper wire, improve the welded fastening effect of copper wire and connecting portion.

2. Through the setting of mounting, in the equipment process of conducting strip and plastic housing, the plastic pellet of molten state pours the die cavity into with the shell injection moulding, inserts the fixed part of conducting strip in the die cavity simultaneously and accomplishes the equipment of conducting strip and shell in step, and the particle of molten state fills fixed orifices/spacing groove/draw-in groove/L caulking groove inside pouring the die cavity in-process into, further fixes conducting strip and fixed part after the particle cooling of molten state, reduces the possibility that the equipment of conducting strip and shell appears becoming flexible.

Drawings

FIG. 1 is a schematic diagram of an overall structure embodying the background art;

FIG. 2 is a schematic overall structure of embodiment 1 of the present application;

fig. 3 is a schematic structural diagram of a limiting hole and a fixing hole in embodiment 1 of the present application;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic structural view of embodiment 2 of the present application;

FIG. 6 is a schematic structural view of embodiment 3 of the present application;

fig. 7 is a schematic structural view of embodiment 4 of the present application.

In the figure, 1, a conductive sheet; 11. a connection part; 111. a limiting hole; 12. a plug-in part; 13. a fixing part; 2. A fixing member; 21. a fixing hole; 22. a limit groove; 23. a clamping groove; 24. an L-shaped caulking groove; 3. a housing; 4. a metal sheet; 41. and a connection hole.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Examples:

referring to fig. 2, a connector connecting piece includes a conductive sheet 1, the conductive sheet 1 including a connecting portion 11, a plugging portion 12, and a fixing portion 13; the connecting part 11 is used for realizing electric connection with the cable, the plastic shell synchronously completes the assembly and the fixation of the conducting strip 1 and the shell during injection molding, and the outer side surface of the fixing part 13 is wrapped by the shell after the injection molding of the shell is completed; after the assembly of the housing and the conductive sheet 1 is completed, the plugging portion 12 is inserted into the insertion hole on the corresponding socket when the connector is used.

Referring to fig. 3, the connection portion 11 is provided with a limiting hole 111, and the opening size of the limiting hole 111 is reduced; when the cable is electrically connected with the connecting part 11, the insulating skin of the cable is stripped to expose the copper wires inside, the copper wires are lapped on the inner edge of the limiting hole 111, and then the abutting part of the copper wires and the limiting hole 111 is welded and fixed through the welding gun, so that the cable is electrically connected with the conducting strip 1.

Referring to fig. 3, the cross-sectional shape of the limiting hole 111 is pear-shaped, wherein the opening cross-section of the limiting hole 111 decreases in a direction away from the fixing portion 13, i.e., the end of the limiting hole 111 with a smaller opening cross-section is disposed at a position away from the fixing portion 13, and the end with a larger opening area is close to the fixing portion 13; when the copper wires inside the cable are more, the copper wires can be placed on one side with a larger opening, when the copper wires inside the cable are less, the copper wires can be placed on one side with a larger opening, then the copper wires move along the inner wall of the limiting hole 111, move to one side with a smaller opening and are in contact with the inner wall of the limiting hole, and finally the copper wires and the connecting part 11 are fixed through welding gun welding. Through spacing hole 111 for pear shape cross-section's setting, according to copper wire quantity and thickness's difference, come the overlap joint of copper wire on the spacing hole 111 inner wall of different positions to this clearance that comes better reduction copper wire and spacing hole 111 inner wall is convenient for copper wire and the better butt of spacing hole 111 inner wall, also improves the welding effect of follow-up copper wire and connecting portion 11 simultaneously.

Referring to fig. 3, the fixing member 2 includes three fixing holes 21 opened on the fixing portion 13; in the assembly process of the conductive sheet 1 and the plastic shell, the fixing part 13 of the conductive sheet 1 is arranged in the die cavity, molten plastic particles are poured into the injection molding die cavity and fill the fixing holes 21, the shell is injection molded after the molten particles are cooled, meanwhile, the assembly of the conductive sheet 1 and the shell is realized, the conductive sheet 1 is further fixed by filling the fixing holes 21 with the molten particles, and the possibility of loosening during the assembly of the conductive sheet 1 and the shell is reduced.

Referring to fig. 3, the side edge of the plugging portion 12 facing away from the fixing portion 13 is chamfered, so that a user can insert the plugging portion 12 into an insertion hole in a socket when the plug connector is in use.

Referring to fig. 3 and 4, the thickness of the side of the connecting portion 11 facing away from the fixing portion 13 is smaller than the thickness of the side of the connecting portion 11 adjacent to the fixing portion 13; when the jack corresponding to the plug is smaller, the connecting portion 11 can be inserted into the corresponding jack as the plug portion of the plug due to the smaller overall size of the connecting portion 11, and the connecting portion 11 can be conveniently inserted into the corresponding small jack due to the smaller thickness of the connecting portion 11.

The implementation principle of the embodiment of the application is as follows:

firstly, the assembly of the shell and the conductive sheet 1 is performed simultaneously with the injection molding of the plastic shell, in the injection molding process of the shell, the fixing part 13 of the conductive sheet 1 is put into a mold, then molten plastic particles are injected into a mold cavity and simultaneously the fixing holes 21 are filled, and after the molten plastic particles are cooled, the injection molding of the shell and the assembly of the shell and the conductive sheet 1 are realized.

After the shell and the conductive sheet 1 are assembled, the assembly of the cable and the connecting part 11 is required to be realized, and a worker firstly strips off the insulating skin of the cable to expose the copper wires inside; when the copper wires in the cable are more, the copper wires can be arranged on one side with a larger opening, when the copper wires in the cable are less, the copper wires can be firstly arranged on one side with a larger opening, then the copper wires move along the inner wall of the limiting hole 111, the copper wires move to one side with a smaller opening and are in contact with the inner wall of the limiting hole, and finally the copper wires and the connecting part 11 are welded and fixed through a welding gun; according to the difference of copper wire quantity and thickness, come better reduction copper wire and spacing hole 111 inner wall's clearance, the better butt of copper wire and spacing hole 111 inner wall of being convenient for also improves the welding effect of follow-up copper wire and connecting portion 11 simultaneously.

Example 2:

referring to fig. 5, embodiment 2 of the present application is different from embodiment 1 in that the cross-sectional shape of the limiting hole 111 is tapered, and the tip of the tapered limiting hole 111 is disposed at a position away from the fixing portion 13; the staff needs to be connected cable and connecting portion 11 electricity, when naked copper wire is more thick, can place the copper wire in spacing hole 111 and keep away from sharp-pointed position, then keep the conflict of copper wire and spacing hole 111 inside wall, when the copper wire is less thin, place the copper wire in spacing hole 111 inside entirely earlier, then remove the tip of spacing hole 111 with the copper wire along the inner wall of spacing hole 111 to this clearance that reduces copper wire and spacing hole 111 inner wall makes copper wire can be better keep the conflict with spacing hole 111 inner wall, makes its welded time effect better.

Referring to fig. 5, the connection between two adjacent sides of the inner wall of the limiting hole 111 with a conical cross-sectional shape is a rounded corner, so that when the copper wire slides in the limiting hole 111, the abrasion between the inner wall of the limiting hole 111 and the copper wire is reduced.

Example 3:

referring to fig. 6, embodiment 3 of the present application is different from embodiment 1 in that the fixing member 2 is a limiting groove 22 and three clamping grooves 23 formed on the outer side surface of the fixing portion 13, wherein the limiting groove 22 is formed on the outer side surface of the fixing portion 13 at a position far from the connecting portion 11, and the clamping groove 23 is formed on the outer side surface of the fixing portion 13 at a position near the connecting portion 11. When the shell injection molding, place the fixed part 13 of conducting strip 1 to the injection molding die cavity inside with the shell injection molding together, realize the fixed of connection of shell and conducting strip 1 simultaneously, in this process, the plastic granules of molten state fills corresponding spacing groove 22 and draw-in groove 23 inside to this strengthens the stability of assembling of conducting strip 1 and shell, reduces the possibility that conducting strip 1 and shell become flexible once more after the equipment is accomplished.

Example 4:

referring to fig. 7, embodiment 4 of the present application is different from embodiment 1 in that the fixing member 2 is an L-shaped caulking groove 24 formed on the outer side surface of the fixing portion 13; the assembly of the conductive sheet 1 and the housing is completed together with the injection molding of the housing, and when the housing is injection molded, the fixing portion 13 of the conductive sheet 1 is placed in the injection mold of the housing, and then the L-shaped caulking groove 24 is filled with particles in a molten state, so that the assembly stability of the conductive sheet 1 and the housing is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a connector connection piece, includes conducting strip (1), conducting strip (1) includes connecting portion (11), grafting portion (12) and fixed part (13), connecting portion (11) are used for being connected with cable heart yearn electricity, the lateral surface and the plastics shell laminating of fixed part (13), inside grafting portion (12) are used for inserting the jack of corresponding socket, be equipped with mounting (2) on fixed part (13); the connecting part (11) is provided with a limiting hole (111) for limiting the exposed copper wire, and the cross section of the limiting hole (111) is in a reducing trend.

2. A connector connecting piece according to claim 1, characterized in that the cross-sectional shape of the limiting hole (111) is pear-shaped, and the cross-sectional opening size of the limiting hole (111) decreases in a direction away from the fixing portion (13).

3. A connector coupling piece according to claim 1, characterized in that the limiting aperture (111) has a conical cross-sectional shape, the tip of the limiting aperture (111) of the conical cross-section being located away from the fixing portion (13).

4. A connector connecting piece according to claim 3, characterized in that the junction between two adjacent sides of the inner wall of the conical limiting hole (111) is provided with rounded corners.

5. Connector connecting piece according to claim 1, characterized in that the fixing element (2) is a number of fixing holes (21) provided in the fixing part (13).

6. Connector connection piece according to claim 1, characterized in that the fixing element (2) comprises a limit groove (22) which is provided in the fixing part (13) at a position remote from the connecting part (11).

7. A connector connecting piece according to claim 6, characterized in that the fixing member (2) further comprises a plurality of clamping grooves (23) provided in the fixing portion (13) at a position close to the connecting portion (11).

8. Connector connection piece according to claim 1, characterized in that the fixing element (2) comprises an L-shaped caulking groove (24) provided on the outer side of the fixing portion (13).

9. Connector connection piece according to claim 1, characterized in that the thickness dimension of the connection part (11) is smaller than the thickness dimension of the fixing part (13) and the plug part (12).