CN211700761U

CN211700761U - But conversion interface structure of quick replacement contact pin

Info

Publication number: CN211700761U
Application number: CN202020635304.6U
Authority: CN
Inventors: 汤洋
Original assignee: Individual
Current assignee: Jiangsu Tommy Yang Electronic Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-10-16
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a but conversion interface structure of quick replacement contact pin, including the contact pin shell, the female seat of contact pin is installed on the inner chamber right side of contact pin shell, the inner chamber of the female seat of contact pin is installed and is replaced the core, the female seat of contact pin includes female seat negative pole, it prevents the insulating cover of static to mould plastics between the outside of female seat negative pole and the inner chamber of contact pin shell, the left side of female seat negative pole is provided with the welding contact point, female seat insulating cover is installed to the inner chamber of female seat negative pole, female seat positive pole is installed to the inner chamber of female seat insulating cover, the left side outer wall of replacing the core is provided with the external screw thread, it passes through external screw thread. The utility model provides a traditional earphone cord all can not trade the line, only can use for specific earphone, use the changeover plug or the change-over line of secondary preparation under the condition of not demolising the plug-in components again and change, because the changeover plug of secondary preparation and the inside welding that needs of patch cord can lead to the problem of tone quality loss.

Description

But conversion interface structure of quick replacement contact pin

Technical Field

The utility model relates to an earphone conversion interface technical field specifically is a but conversion interface structure of quick replacement contact pin.

Background

The existing earphone with changeable wires has different jack specifications due to the fact that a plurality of brands and each brand adopt different jacks, and therefore the earphone of each brand needs to be matched by using a special wire. It is very inconvenient for third party wire manufacturers to produce. The traditional earphone wire is not changeable and can only be used for a specific earphone. All be fixed form after the wire rod preparation is accomplished, change the earphone and only come the earphone of adaptation different models through the loaded down with trivial details mode of the plug-in components of welding change different models after demolising current plug-in components, perhaps use the changeover plug or the change line of secondary preparation to change under the condition of not demolising the plug-in components again, because the changeover plug and the internal portion of patch cord of secondary preparation need weld, can lead to the tone quality loss. Therefore, a conversion interface structure capable of rapidly replacing the contact pin is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a but conversion interface structure of quick replacement contact pin has solved traditional earphone cord and has all can not trade the line, only can use for specific earphone, uses the changeover plug or the change-over line of secondary preparation under the condition of plug-in components no longer to convert, because the changeover plug of secondary preparation and the inside welding that needs of patch cord can lead to the problem of tone quality loss.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a but conversion interface structure of quick replacement contact pin, includes the contact pin shell, the female seat of contact pin is installed on the inner chamber right side of contact pin shell, the inner chamber of the female seat of contact pin is installed and is replaced the core, the female seat of contact pin includes female seat negative pole, mould plastics between the outside of female seat negative pole and the inner chamber of contact pin shell and prevent the insulating cover of static, the left side of female seat negative pole is provided with the welding contact point, the right side inner chamber of female seat negative pole is provided with the internal thread, the insulating cover of female seat is installed to the inner chamber of female seat negative pole, female seat positive pole is installed to the inner chamber of the insulating cover of female seat, the left side outer wall of replacing the core is provided with the external screw thread, and external screw thread and internal thread matched with the.

The conversion interface structure capable of rapidly replacing the contact pin comprises an injection molding body, a core replacing negative electrode is sleeved on the outer side of the injection molding body, a positive contact pin is inserted into an inner cavity of the injection molding body, a screwing hole is formed in the outer side of the core replacing negative electrode, and the screwing connection of a tool to the core replacing core is facilitated through the screwing hole.

The utility model provides a but conversion interface structure of quick replacement contact pin, the left side of anodal contact pin and the anodal contact of laminating mutually of female seat, replace the inseparable spiro union of core negative pole and female seat negative pole, it is firm to connect, can press two anodal contacts together through the pretightning force of screw thread and realize stable connected mode.

The utility model provides a but conversion interface structure of quick replacement contact pin, the right side inner chamber of preventing the insulating cover of static is provided with the block recess, the outside of female seat negative pole is provided with the block arch, and the block arch cooperatees the joint with the block recess, and the outside of female seat negative pole is moulded plastics the block recess cooperation joint that prevents static knot reason cover natural formation and closely wrap up the card and the arch of accomplishing.

According to the conversion interface structure capable of rapidly replacing the contact pin, the female seat insulating sleeve, the anti-static insulating sleeve and the injection molding body are all made of the polyether-ether-ketone plastic, have physical and chemical properties such as high temperature resistance and chemical corrosion resistance, are insulated by plastic, and mainly aim to prevent the metal shell from generating static electricity.

The conversion interface structure capable of rapidly replacing the contact pin comprises a core replacement type A2DC, a CIME and an MMCX, wherein the core replacement type is one of core replacements types, the core replacement type is a universal finger, so long as the insert for transmitting positive and negative electrodes can realize a conversion function through screw connection after being manufactured according to the thread size, and for example, the size schemes of three types of international A2DC core replacements, CIME core replacements and MMCX core replacements are adopted.

According to the conversion interface structure capable of rapidly replacing the contact pin, the total length of the contact pin shell and the replacement core is 12-15mm, the diameter of the contact pin shell is 6-6.3mm, the size is reduced, and the conversion interface structure can be better and conveniently worn.

In the conversion interface structure capable of rapidly replacing the contact pin, the contact pin shell is made of copper materials and can provide a certain shielding effect, and the anode and the cathode of the female seat and the anode and the cathode of the replacement core adopt a process of plating gold or other high-conductivity inert metals for preventing oxidation.

The utility model has the advantages that: the outer wall of the left side of the replacement core is provided with an external thread, the inner cavity of the right side of the cathode of the female seat is provided with an internal thread, the replacement core and the pin female seat are fastened and screwed through the matching of the external thread and the internal thread, the connection is stable, the positive pin and the two positive contacts of the anode of the female seat can be pressed together through the pretightening force of the threads, and a stable connection mode is realized;

the female seat insulating sleeve, the anti-static insulating sleeve and the injection molding body are all made of polyether-ether-ketone plastic materials, and have physical and chemical properties such as high temperature resistance, chemical corrosion resistance and the like;

the total length of the pin shell and the core is 12-15mm, the diameter of the pin shell is 6-6.3mm, the size is reduced, and the pin shell can be better and conveniently worn.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a pin socket;

FIG. 3 is a schematic structural view of a refill;

fig. 4 is a schematic view of the connection structure of the present invention.

In the figure: 1. the pin comprises a pin shell, 2, a pin female seat, 201, an anti-static insulating sleeve, 2011, a clamping groove, 202, a female seat cathode, 2021, a clamping protrusion, 203, a female seat insulating sleeve, 204, an internal thread, 205, a female seat anode, 206, a welding contact point, 3, a core, 301, an injection molding body, 302, a core cathode, 303, an anode pin, 305, a screwing hole, 306 and an external thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a conversion interface structure capable of quickly replacing a contact pin comprises a contact pin shell 1, the total length of the contact pin shell 1 and a replacement core 3 after combination is 12-15mm, the diameter of the contact pin shell 1 is 6-6.3mm, the contact pin shell 1 is made of copper, a contact pin female seat 2 is installed on the right side of the inner cavity of the contact pin shell 1, a clamping groove 2011 is formed in the inner cavity of the right side of an anti-static insulating sleeve 201, a clamping bulge 2021 is formed in the outer side of a female seat negative electrode 202, the anti-static insulating sleeve 201 is formed by injection molding of an injection molding machine in a matched clamping mode by wrapping the clamping bulge 2021, the replacement core 3 is installed in the inner cavity of the contact pin female seat 2 and comprises an injection molding body 301, the female seat insulating sleeve 203, the anti-static insulating sleeve 201 and the injection molding body 301 are made of polyether ether ketone plastic, the replacement core 3 is one of A2DC replacement core, a CIME replacement core, an MMCX replacement core and the like, the replacement core is sleeved on, the inner chamber of injection molding body 301 is pegged graft and is had anodal contact pin 303, the left side of anodal contact pin 303 and the anodal 205 laminating contact of female seat mutually, replace the inseparable spiro union of core negative pole 302 and female seat negative pole 202, female seat 2 of contact pin includes female seat negative pole 202, mould plastics between the outside of female seat negative pole 202 and the inner chamber of contact pin shell 1 and prevent electrostatic insulation cover 201, the left side of female seat negative pole 202 is provided with welded contact 206, the right side inner chamber of female seat negative pole 202 is provided with internal thread 204, female seat insulation cover 203 is installed to the inner chamber of female seat negative pole 202, female seat positive 205 is installed to the inner chamber of female seat insulation cover 203, it is provided with external screw thread 306 to replace the left side outer wall of core 3, and external screw thread 306 and the spiro union that cooperatees of internal thread 204, it fasten.

To sum up, the utility model discloses when using, weld in the positive negative pole of the female seat of contact pin 2 with outside wire rod welding earlier, install contact pin shell 1 after the completion and make into signal wire rod. When the replacement core 3 is screwed in through the external thread 306 and the internal thread 204 of the female seat cathode 202, the positive pin 303 of the replacement core 3 is blocked by the female seat anode 205, the replacement core 3 is clamped, so that the positive pin 303 and the female seat anode 205 are in tight contact, meanwhile, the thread part is in tight contact due to the pretightening force, the connection is stable, a stable link mode is realized, and the thread part is in tight connection to realize high-fidelity switching under the condition of full contact, the female seat insulating sleeve 203, the anti-static insulating sleeve 201 and the injection molding body 301 are all made of polyether-ether-ketone plastic materials, and firstly, the anti-static insulating sleeve 201 has physical and chemical properties such as high temperature resistance, chemical corrosion resistance and the like, the anti-static insulating sleeve 201 is attached to the female seat cathode 202 in an injection molding mode, the welding contact point 206 is arranged at the left side of the female seat cathode 202 and used for welding a conductor, plastic insulation is adopted, and the anti, the pin shell 1 is made of copper materials and can provide a certain shielding effect, the positive and negative poles of the pin female seat 2 and the positive and negative poles of the replacement core 3 adopt a process of plating gold or other high-conductivity inert metals for preventing oxidation, the pin shell 1 is connected and fastened in a glue linking mode, the total length of the pin shell 1 and the replacement core 3 is 12-15mm, the diameter of the pin shell 1 is 6-6.3mm, the size is reduced, the pin shell can be better convenient to wear, the problem that the traditional earphone wires cannot be replaced and can only be used for a specific earphone is solved, a conversion plug or a conversion wire manufactured secondarily is used for conversion under the condition that the plug is not removed, and the problem of tone quality loss can be caused because the conversion plug manufactured secondarily and the conversion wire need to be welded inside.

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 should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a but conversion interface structure of quick replacement contact pin, includes contact pin shell (1), its characterized in that: a pin female seat (2) is arranged on the right side of the inner cavity of the pin shell (1), a replacement core (3) is arranged in the inner cavity of the pin female seat (2), the pin female socket (2) comprises a female socket cathode (202), an anti-static insulating sleeve (201) is injected between the outer side of the female socket cathode (202) and the inner cavity of the pin shell (1), a welding contact point (206) is arranged on the left side of the female seat cathode (202), an inner thread (204) is arranged in the right inner cavity of the female seat cathode (202), a female seat insulating sleeve (203) is arranged in the inner cavity of the female seat cathode (202), a female seat anode (205) is arranged in the inner cavity of the female seat insulating sleeve (203), an external thread (306) is arranged on the outer wall of the left side of the substitute core (3), and the external thread (306) is matched and screwed with the internal thread (204), and the substitute core (3) is tightly screwed with the inserting needle female seat (2) through the matching and fastening of the external thread (306) and the internal thread (204).

2. The adapter interface structure of claim 1, wherein the adapter interface structure comprises: the replacement core (3) comprises an injection molding body (301), a replacement core negative electrode (302) is sleeved on the outer side of the injection molding body (301), a positive pin (303) is inserted into an inner cavity of the injection molding body (301), and a screwing hole (305) is formed in the outer side of the replacement core negative electrode (302).

3. The adapter interface structure of claim 2, wherein the adapter interface structure comprises: the left side of the positive pole inserting needle (303) is attached to and contacted with the positive pole (205) of the female seat, and the core replacing negative pole (302) is tightly screwed with the negative pole (202) of the female seat.

4. The adapter interface structure of claim 1, wherein the adapter interface structure comprises: the right side inner chamber of preventing electrostatic insulation cover (201) is provided with block recess (2011), the outside of female seat negative pole (202) is provided with block arch (2021), and block arch (2021) and block recess (2011) cooperation joint.

5. The adapter interface structure of claim 2, wherein the adapter interface structure comprises: the female seat insulating sleeve (203), the anti-static insulating sleeve (201) and the injection molding body (301) are all made of polyether-ether-ketone plastic materials.

6. The adapter interface structure of claim 1, wherein the adapter interface structure comprises: the type of the core replacement (3) is one of A2DC core replacement, CIME core replacement and MMCX core replacement.

7. The adapter interface structure of claim 1, wherein the adapter interface structure comprises: the total length of the pin shell (1) and the core (3) is 12-15mm, and the diameter of the pin shell (1) is 6-6.3 mm.

8. The adapter interface structure of claim 1, wherein the adapter interface structure comprises: the contact pin shell (1) is made of copper.