CN210430168U - Injection molding type banana plug - Google Patents

Abstract

The utility model relates to a plug technical field, concretely relates to formula of moulding plastics banana plug, which comprises an outer shell, be provided with wire, copper needle base and copper pipe in the shell, the wire includes positive pole line and negative pole line, the copper needle includes head, shell fragment and bottom, the utility model discloses a negative pole line runs through the copper needle base with copper electric welding connects, and this banana plug can put through external equipment's positive terminal and negative pole end simultaneously, and consequently this banana plug has saved a plug shell for current plug, has reduced the manufacturing cost of plug, and the wire copper needle the copper needle base the copper pipe with the shell is moulded plastics into one piece structure, moulds plastics wire, copper needle base, copper pipe and shell into one piece structure for whole banana plug is moulded into one piece structure, and this plug connection is stable, Firm structure, small size and beautiful appearance.

Description

Injection molding type banana plug

Technical Field

The utility model relates to a plug technical field, concretely relates to formula of moulding plastics banana plug.

Background

The banana plug is characterized in that the banana plug is very convenient to insert into a socket hole and can form a very large contact area after being inserted, the characteristic enables the banana plug to be preferentially used in a charging machine and other high-power output equipment, in the prior art, the banana plug is of a single-core split type structure, namely only one conducting point for connecting a positive pole or one conducting point for connecting a negative pole is arranged in one plug, when the positive pole and the negative pole of equipment need to be connected simultaneously, two banana plugs are often needed to be used simultaneously, the banana plug with the structure is not only troublesome to use, but also needs to be used simultaneously, the manufacturing and using costs are higher, and the existing banana plug is of an assembled structure, namely, parts in the plug are arranged in a shell, because the diameter of a lead in the plug is small, in the use, the wire leads to the fact the welding of welding department not hard up or even causes the wire fracture with copper pipe or copper needle electric welding junction very easily for plug structure is insecure and connect unstablely, and double-plug connection, not only complex operation, the appearance is also not pleasing to the eye enough moreover.

SUMMERY OF THE UTILITY MODEL

To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an injection moulding formula banana plug who practices thrift manufacturing cost, sound construction, connection stability and appearance are pleasing to the eye is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an injection molding type banana plug comprises a shell, wherein a lead, a copper needle base and a copper pipe are arranged in the shell, the copper pipe is sleeved outside the copper needle base, the copper needle base is sleeved on the copper needle, the copper needle and the copper pipe are respectively in electric welding connection with the lead, the lead comprises a positive wire and a negative wire, the negative wire penetrates through the copper needle base and is in electric welding connection with the copper pipe, the positive wire is in electric welding connection with the copper needle, the copper needle comprises a head, a spring plate and a bottom, the bottom is positioned below the spring plate, the spring plate is positioned below the head, the spring plate and the bottom are in an integrated structure, the lead, the copper needle base, the copper pipe and the shell are in an integrated structure by injection molding, the negative wire penetrates through the copper needle base and is in electric welding connection with the copper pipe, the positive wire is in electric welding connection with the copper needle, the banana plug can be simultaneously connected with the positive terminal and the negative terminal of an external device and has two conducting points, the plugs on the existing market are all of a single-core structure, the positive terminal and the negative terminal are respectively positioned in different plugs, only one conducting point is arranged in one plug and only the positive terminal or the negative terminal can be connected, so that the banana plug saves a plug shell relative to the existing plug, the manufacturing cost of the plug is reduced, the banana plug has the advantage of saving cost, the conducting wire, the copper needle base, the copper pipe and the shell are injected into an integrated structure, the conducting wire, the copper needle base, the copper needle, the copper pipe and the shell are injected into the integrated structure, the whole banana plug is injected into the integrated structure, the structure is stable and firm, and the electric welding connection part of the positive wire and the copper needle and the electric welding connection part of the negative wire and the copper pipe can be well protected, compared with the existing assembled plug, the plug has the advantages of stable connection, firm structure, small size, attractive appearance, firm structure, stable connection and attractive appearance.

Preferably, be provided with the line hole on the copper needle base, because be provided with the line hole on the copper needle base, cross the line hole and make things convenient for the negative pole line to be connected with copper pipe electric welding through crossing the line hole, at last with wire, copper needle base, copper pipe and shell injection moulding integral type structure, make whole banana plug by the injection moulding integral type structure, this stable in structure is firm, and protection negative pole line that can be fine and the electric welding junction of copper pipe, for current assembled plug, this plug connection is stable, the sound construction, the size is little, pleasing to the eye, its advantage is sound construction, stable in connection and pleasing to the eye in appearance.

Preferably, the material of copper needle base is plastics, because the material of copper needle base is plastics, can play the effect of fixed copper needle, and can the copper needle base with copper needle and copper pipe insulation separately, avoid taking place the electricity to be connected between copper pipe and the copper needle, at last with wire, copper needle base, copper pipe and the shell integral type structure of moulding plastics for whole banana plug is moulded plastics integral type structure, for current assembled plug, this plug connection is stable, the sound construction, the size is little, the appearance is pleasing to the eye, its advantage is sound construction, connect stably and the appearance is pleasing to the eye.

Preferably, the shell is provided with a groove, and the groove is arranged on the shell, so that a user can hold the groove when mounting and using the plug, the plug is convenient to mount and use by the user, the groove can reduce the manufacturing materials of the shell, the manufacturing cost is saved, and the plug socket has the advantage of saving the cost.

Preferably, the shell is made of plastics, and the shell made of plastics, the wire, the copper needle base and the copper pipe are molded into an integral structure, so that the whole banana plug is molded into the integral structure.

Compared with the prior art, the utility model has the advantages of: the utility model has the advantages that the negative electrode wire penetrates through the copper needle base and is electrically welded with the copper pipe, the positive electrode wire is electrically welded with the copper needle, the banana plug can be simultaneously connected with the positive electrode end and the negative electrode end of external equipment and has two conduction points, the plugs on the current market are all of single-core structures, the positive electrode and the negative electrode are respectively positioned in different plugs, only one conduction point is arranged in one plug and can only be connected with the positive electrode or the negative electrode, therefore, compared with the existing plugs, the banana plug saves a plug shell, reduces the manufacturing cost of the plug, has the advantages of saving cost, and the wire, the copper needle base, the copper pipe and the shell are injected into an integral structure, so that the whole banana plug is injected into the integral structure, the structure is stable and firm, and can well protect the electric welding joint of the positive wire and the copper needle and the electric welding joint of the negative wire and the copper pipe, compared with the existing assembled plug, the plug has the advantages of stable connection, firm structure, small size and beautiful appearance, and has firm structure, stable connection and beautiful appearance, the copper needle base is provided with a wire passing hole which facilitates the electric welding connection of the negative wire and the copper pipe through the wire passing hole, and finally the conducting wire, the copper needle base, the copper pipe and the shell are injected into an integrated structure, so that the whole banana plug is injected into the integrated structure, is stable and firm in structure, can well protect the electric welding joint of the negative wire and the copper pipe, compared with the existing assembled plug, the plug has the advantages of stable connection, firm structure, small size and beautiful appearance, and has firm structure, stable connection and beautiful appearance, the copper needle base is made of plastic, the copper needle base can play a role in fixing the copper needle, the copper needle base can insulate and separate the copper needle from the copper pipe, the copper pipe is prevented from being electrically connected with the copper needle, and finally the lead, the copper needle base, the copper pipe and the shell are molded into an integrated structure in an injection molding mode, so that the whole banana plug is molded into the integrated structure in the injection molding mode, compared with the existing assembled plug, the banana plug is stable in connection, firm in structure, small in size and attractive in appearance, and has the advantages of being firm in structure, stable in connection and attractive in appearance, the shell is provided with the groove, when the banana plug is installed and used by a user, the groove can be held by the user, the installation and the use of the banana plug are facilitated, the manufacturing material of the shell can be reduced, the manufacturing cost is saved, the banana plug, the plug is characterized in that the shell made of plastic, the wire, the copper needle base and the copper pipe are molded into an integrated structure in an injection mode, so that the whole banana plug is molded into the integrated structure in an injection mode.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein: 1-a housing; 2-a wire; 3-copper needle; 4-copper needle base; 5-copper pipe; 6-a wire through hole; 7-a groove; 2-1-positive line; 2-2-negative pole line; 3-1-head; 3-2-spring plate; 3-3-bottom.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in figure 1, the injection molding type banana plug comprises a shell 1, wherein a lead 2, a copper needle 3, a copper needle base 4 and a copper pipe 5 are arranged in the shell 1, the copper pipe 5 is sleeved outside the copper needle base 4, the copper needle base 4 is sleeved on the copper needle 3, the copper needle 3 and the copper pipe 5 are respectively in electric welding connection with the lead 2, the lead 2 comprises a positive wire 2-1 and a negative wire 2-2, the negative wire 2-2 penetrates through the copper needle base 4 to be in electric welding connection with the copper pipe 5, the positive wire 2-1 is in electric welding connection with the copper needle 3, the copper needle 3 comprises a head 3-1, a spring plate 3-2 and a bottom 3-3, the bottom 3-3 is positioned below the spring plate 3-2, the spring plate 3-2 is positioned below the head 3-1, and the head 3-1 is in electric welding connection with the copper needle 3, The spring plate 3-2 and the bottom 3-3 are of an integrally formed structure, the wire 2, the copper needle 3, the copper needle base 4, the copper pipe 5 and the shell 1 are of an integrally molded structure, a wire passing hole 6 is formed in the copper needle base 4, the copper needle base 4 is made of plastics, a groove 7 is formed in the shell 1, and the shell 1 is made of plastics.

The assembling and working processes of the injection molding type banana plug are as follows: firstly, the copper needle is connected with the copper needle base in a sleeved mode, then the copper pipe is connected with the copper needle base in a sleeved mode, then the copper needle is connected with the positive wire in an electric welding mode, then the negative wire penetrates through the wire passing hole, then the negative wire is connected with the copper pipe in an electric welding mode, finally the conducting wire, the copper needle base, the copper pipe and the shell are molded into an integrated structure in an injection mode, the whole banana plug is molded into the integrated structure in an injection mode, at the moment, the banana plug is manufactured, in the using process, the banana plug is inserted into an external interface by holding a groove in the shell, at the moment, the copper pipe is electrically connected with an external negative end, the elastic piece of the copper needle is electrically connected with an external positive end, at the moment, the external positive end and the external negative end can be simultaneously connected, the banana plug can be simultaneously connected with the positive end and the negative end of external equipment and has two conduction points, therefore, only one conducting point is arranged in one plug and only the anode or the cathode can be connected, so that the banana plug saves the shell of the plug relative to the existing plug, the injection molding type banana plug can well protect the electric welding joint of the anode wire and the copper needle and the electric welding joint of the cathode wire and the copper tube, and compared with the existing assembly type plug, the banana plug is stable in plug connection, firm in structure, small in size and attractive in appearance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. An injection molding type banana plug comprises a shell (1) and is characterized in that a lead (2), a copper needle (3), a copper needle base (4) and a copper pipe (5) are arranged in the shell (1), the copper pipe (5) is sleeved outside the copper needle base (4), the copper needle base (4) is sleeved on the copper needle (3), the copper needle (3) and the copper pipe (5) are respectively in electric welding connection with the lead (2), the lead (2) comprises a positive wire (2-1) and a negative wire (2-2), the negative wire (2-2) penetrates through the copper needle base (4) and is in electric welding connection with the copper pipe (5), the positive wire (2-1) is in electric welding connection with the copper needle (3), the copper needle (3) comprises a head (3-1), an elastic sheet (3-2) and a bottom (3-3), the bottom (3-3) is located below the elastic sheet (3-2), the elastic sheet (3-2) is located below the head (3-1), the elastic sheet (3-2) and the bottom (3-3) are of an integrally formed structure, and the wire (2), the copper needle (3), the copper needle base (4), the copper tube (5) and the shell (1) are of an integrally formed structure in an injection molding mode.

2. An injection molded banana plug according to claim 1 wherein the copper pin base (4) is provided with a wire through hole (6).

3. An injection moulded banana plug according to claim 1 characterised in that the copper pin base (4) is of plastics material.

4. An injection moulded banana plug according to claim 1 characterised in that the housing (1) is provided with a recess (7).

5. An injection moulded banana plug according to claim 1 characterised in that the housing (1) is of plastic.

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