CN215869944U

CN215869944U - Plug with replaceable head

Info

Publication number: CN215869944U
Application number: CN202121602505.7U
Authority: CN
Inventors: 张春阳; 杨东麟
Original assignee: Beijing Quadratic Culture Media Co ltd
Current assignee: Beijing Quadratic Culture Media Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-02-18
Anticipated expiration: 2031-07-14

Abstract

The utility model provides a plug with a replaceable head, which comprises: one end of the rubber core is provided with an insertion hole; the metal terminal is embedded in the rubber core, one end of the metal terminal is exposed out of the rubber core and connected with the data line, the end part of the other end of the metal terminal is a contact end, and the contact end is exposed on the inner wall of the jack of the rubber core; the head part is provided with a butt contact piece in the circumferential direction of the end part, and the head part is inserted into the jack so that the butt contact piece is in one-to-one corresponding contact connection with the contact end of the metal terminal. The plug head provided by the utility model can be damaged or replaced according to the actual jack, so that the waste caused by integral abandon when the plug is damaged can be avoided, and the plug has higher flexibility.

Description

Plug with replaceable head

Technical Field

The utility model relates to a plug with a replaceable head.

Background

The types of connectors for earphone plugs or some audio data lines are various, such as conventional TRS 3.5mm connector, trrs2.5mm connector, TRS 6.35mm connector, TRRRS 4.4mm connector, XLR connector and RCA connector, and with the advance of technology, Type-C connector or Lighting connector is now appearing.

The traditional data line plug is fixed in specification, can only be butted with a socket of one specification, such as an earphone hole of a mobile phone, a TRS 3.5mm connector is mostly adopted in the past, an earphone plug corresponding to the traditional data line plug is also a TRS 3.5mm connector, the traditional data line plug cannot be used for a TRRS2.5mm connector of other equipment, a consumer must have another earphone with a TRRS2.5mm connector, and therefore the traditional fixed plug brings troubles to the consumer and needs further improvement.

Disclosure of Invention

The utility model aims to provide a flexible plug with a replaceable head.

In order to achieve the above object, the present invention discloses a head-replaceable plug comprising: one end of the rubber core is provided with an insertion hole; the metal terminal is embedded in the rubber core, one end of the metal terminal is exposed out of the rubber core and connected with the data line, the end part of the other end of the metal terminal is a contact end, and the contact end is exposed on the inner wall of the jack of the rubber core; the head part is provided with a butt contact piece in the circumferential direction of the end part, and the head part is inserted into the jack so that the butt contact piece is in one-to-one corresponding contact connection with the contact end of the metal terminal.

Further, still including connecting casing, butt joint section of thick bamboo and a protection section of thick bamboo, the connection casing set up outside gluing the core, butt joint section of thick bamboo one end install and connect the casing below, one end with the head rigid coupling, a protection section of thick bamboo install and connect the casing top to around in the metal terminal outside.

The outer periphery of the lower part of the connecting shell is provided with a flange, and the outer periphery of the upper part of the connecting shell is provided with a first external thread; the boss is arranged on the periphery of the upper part of the butt joint cylinder, a second internal thread is arranged on the inner wall of the lower part of the boss, a second external thread is arranged on the head part of the butt joint cylinder, the boss of the butt joint cylinder is sleeved at the flange, and the second internal thread is in threaded connection with the second external thread; the inner peripheral part of the protection barrel is provided with a first internal thread, and the first internal thread is in threaded connection with the first external thread.

Furthermore, the connecting shell and the butt-joint barrel and/or the protective barrel can also adopt a snap-in connection or a bullet connection, which is similar to the connection mode of an aviation plug.

Wherein the head is a TRS 3.5mm joint, a TRRS2.5mm joint, a TRS 6.35mm joint, a TRRRS 4.4mm joint, an XLR joint, an RCA joint, a USB joint or a Lighting joint.

Preferably, the head include insulating cladding core and inlay each other contactless positive piece of left sound channel, left sound channel negative pole piece, right sound channel positive pole piece, right sound channel negative pole piece on insulating cladding core, positive piece of left sound channel, left sound channel negative pole piece, right sound channel positive pole piece, right sound channel negative pole piece one end arrange in proper order the cladding in insulating cladding core outer wall, the other end is arranged and is formed the butt joint contact piece with the metal terminal contact at insulating cladding core other end, the quantity of metal terminal be four, correspond positive piece of left sound channel, left sound channel negative pole piece, right sound channel positive pole piece, right sound channel negative pole piece respectively.

Preferably, the left channel positive plate and the right channel positive plate are arranged in front and back at the same side of the insulating coating core, and the left channel negative plate and the right channel negative plate are arranged in front and back at the same side of the insulating coating core.

Preferably, the insulating coated core is further provided with a connecting piece, and the connecting piece is sleeved outside the insulating coated core.

Preferably, the end face of the plug hole of the rubber core is provided with a special-shaped groove, and the inner wall of the plug hole is provided with a positioning groove; the end part of the insulating coating core is provided with a positioning column which is connected with a special-shaped table; the end part of the insulating coating core is inserted into the jack, so that the positioning column is inserted into the positioning groove, and meanwhile, the special-shaped table is correspondingly matched and inserted with the special-shaped groove.

Preferably, the rubber core is provided with a wire clamp at one end provided with the metal sheet, the wire clamp comprises an annular metal sheet and a support, and the annular metal sheet is mounted at the top end of the rubber core through the support and is spaced from the metal terminal.

The utility model can avoid the waste caused by integral abandon when the plug is damaged, and can also ensure that the plug has more flexibility in use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

Fig. 4 is a schematic view of the assembly of the head with the glue cartridge.

FIG. 5 shows a pin connection between the connecting shell, the docking barrel and the protective barrel.

Fig. 6 is an exploded schematic view of the head.

Fig. 7 is a schematic cross-sectional view of the header (with the insulating clad core hidden).

Fig. 8 is a schematic structural view of four metal terminals.

Fig. 9 is a schematic view of the connection of four metal terminals to a header.

The labels in the figure are:

the plastic core comprises a plastic core 1, a jack 11, a special-shaped groove 12, a positioning groove 13, a metal terminal 2, a contact end 21, a wire clamp 3, an annular metal sheet 31, a support 32, a head 4, a butt contact sheet 41, a second external thread 42, an insulating coating core 43, a positioning column 431, a special-shaped table 432, a left sound channel positive sheet 44, a right sound channel positive sheet 45, a left sound channel negative sheet 46, a right sound channel negative sheet 47, a connecting piece 48, a connecting shell 5, a flange 51, a first external thread 52, a butt joint cylinder 6, a boss 61, a second internal thread 62, a protection cylinder 7 and a first internal thread 71.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example one

Referring to fig. 1 to 4, the present embodiment discloses a plug with a replaceable head, including: the cable connector comprises a rubber core 1, a metal terminal 2, a cable clamp 3, a head 4, a connecting shell 5, a butt joint cylinder 6 and a protection cylinder 7.

One end of the rubber core 1 is provided with an insertion hole 11.

The metal terminal 2 is embedded in the rubber core 1, one end of the metal terminal 2 is exposed out of the rubber core 1 and connected with a data line (not shown in the figure), the end part of the other end is a contact end 21, and the contact end is exposed on the inner wall of the jack of the rubber core.

The rubber core 1 is provided with a wire clamp 3 at one end provided with the metal terminal 2, the wire clamp 3 comprises an annular metal sheet 31 and a support 32, and the annular metal sheet 31 is installed at the top end of the rubber core 1 through the support 32 and is spaced from the metal terminal 2.

The head 4 may be a TRS 3.5mm connector, a TRRS2.5mm connector, a TRS 6.35mm connector, a TRRRS 4.4mm connector, an XLR connector, an RCA connector, a USB connector, or a Lighting connector.

The end of the head part 4 is provided with a butt contact piece 41 in the circumferential direction, and the head part 4 is inserted into the insertion hole 11, so that the butt contact piece 41 is in one-to-one contact connection with the contact end 21 of the metal terminal 2.

The connecting housing 5 is disposed outside the rubber core 1, a flange 51 is disposed on a lower outer circumferential portion of the connecting housing 5, and a first male screw 52 is disposed on an upper outer circumferential portion of the connecting housing 5. One end of the butt joint cylinder 6 is installed below the connecting shell 5, the other end is fixedly connected with the head, a boss 61 is arranged on the periphery of the upper portion of the butt joint cylinder 6, and a second internal thread 62 is arranged on the inner wall of the lower portion of the boss 61. The shield cylinder 7 is mounted above the connection housing 5 and surrounds the outside of the metal terminal 2, and the inner peripheral portion of the shield cylinder 7 is provided with a first internal thread 71. The head 4 is provided with a second external thread 42, the boss 61 of the docking barrel 6 is sleeved at the flange 51, and a second internal thread 62 is in threaded connection with the second external thread 42 so as to realize the connection of the docking barrel 6 with the head 4 and the connecting shell 5. The first internal thread 71 and the first external thread 52 are screwed to connect the protective sleeve 7 to the connection housing 5.

The above-mentioned screw-type connection is most common, the manufacturing process is simple, and the manufacturing cost is low, while in other embodiments, in order to realize quick assembly and disassembly, the connecting shell 5 and the docking cylinder 6 and/or the protective cylinder 7 may also adopt a snap-type connection or a pin-type connection, similar to the connection mode of an aviation plug, for example, fig. 5, which is a pin-type connection. The buckle type connection can be a push-pull self-locking type connection, or a rotary type buckle connection, or an elastic arm type buckle connection and other connection modes.

When the data cable is used, the data cable is connected with the metal terminal 2, and the data cable extends out of the protective cylinder 7 after being arranged and welded at the wire clamp 3. The rubber core 1, the head 2, the butt joint cylinder 3 and the protection cylinder 4 are combined to form a complete plug which can be used for a data line, an earphone line, a charging line and the like of an electronic product. When the head is damaged or different types of heads need to be replaced, only the old head and the butt joint barrel 6 need to be disassembled in a threaded manner, then a new head is replaced, the new head is inserted into the jack 11 of the rubber core, so that the butt contact piece 41 of the head 4 is in contact with the contact end 21 of the metal terminal 2 to be connected, and then the butt joint barrel 6 and the head 4 are screwed tightly in a threaded manner.

The plug head part 2 provided by the utility model can be damaged or replaced according to the actual jack 12, so that the waste caused by integral abandon when the plug is damaged can be avoided, and the plug has more flexibility.

Example two

The present embodiment discloses a plug with a replaceable head, which has a structure similar to that of the present embodiment, and the head of the present embodiment is shown in fig. 6 and 7. The head 4 comprises an insulating coated core 43, and a left channel positive plate 44, a left channel negative plate 45, a right channel positive plate 46, a right channel negative plate 47 and a connecting piece 48 which are embedded on the insulating coated core 43 and are not in contact with each other. One end of the left channel positive plate 44, the left channel negative plate 45, the right channel positive plate 46 and the right channel negative plate 47 are sequentially arranged and coated on the outer wall of the insulating coated core 43, and the other end is arranged on the other end of the insulating coated core 43 to form a butt contact piece 41 which is in contact with the metal terminal 2, as shown in fig. 9. As shown in fig. 8, the number of the metal terminals 2 is four, and the four metal terminals correspond to the left channel positive electrode tab 44, the left channel negative electrode tab 45, the right channel positive electrode tab 46, and the right channel negative electrode tab 47, respectively.

As shown in fig. 7, the left channel positive electrode tab 44 and the right channel positive electrode tab 46 are arranged in front of each other on the same side of the insulating coated core 43. The left channel negative electrode sheet 45 and the right channel negative electrode sheet 47 are arranged in front of and behind the same side of the insulating coated core 43.

The connecting piece 48 is sleeved outside the insulating coating core 43, and the connecting piece 48 is provided with a second external thread 42 which is in threaded connection with a second internal thread 62 of the butt joint barrel 6.

Referring to fig. 4, the end face of the insertion hole of the rubber core 1 is provided with a special-shaped groove 12, and the inner wall of the insertion hole 11 is provided with a positioning groove 13. The end of the insulating sheath 43 is provided with a positioning post 431, and the positioning post 431 is connected with a special-shaped platform 432. The end of the insulated core 43 is inserted into the insertion hole 11, so that the positioning column 431 is inserted into the positioning slot 13, and the special-shaped platform 432 is correspondingly matched and inserted into the special-shaped slot 12, so that the opposite contact piece 41 is contacted with the contact end 21 of the metal terminal 2. The special-shaped table 432 is matched with the special-shaped groove 12, so that the head 4 can be inserted only along one direction when being inserted, and the fool-proof function can be achieved. The positioning column 431 is inserted into the positioning groove 13 to realize tight connection, so that the contact end 21 of the metal terminal 2 is stably contacted with the end parts of the left channel positive plate 44, the right channel positive plate 45, the left channel negative plate 46 and the right channel negative plate 47.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A replaceable head plug, comprising:

one end of the rubber core is provided with an insertion hole;

the metal terminal is embedded in the rubber core, one end of the metal terminal is exposed out of the rubber core and connected with the data line, the end part of the other end of the metal terminal is a contact end, and the contact end is exposed on the inner wall of the jack of the rubber core;

the head part is provided with a butt contact piece in the circumferential direction of the end part, and the head part is inserted into the jack so that the butt contact piece is in one-to-one corresponding contact connection with the contact end of the metal terminal.

2. A replaceable head plug as claimed in claim 1, wherein: still including connecting casing, butt joint section of thick bamboo and a protection section of thick bamboo, the connection casing set up and glue the core outside, butt joint section of thick bamboo one end install and connect the casing below, one end with the head rigid coupling, a protection section of thick bamboo install and connect the casing top to around in the metal terminal outside.

3. A replaceable head plug as claimed in claim 2,

a flange is arranged on the periphery of the lower part of the connecting shell, and a first external thread is arranged on the periphery of the upper part of the connecting shell; the boss is arranged on the periphery of the upper part of the butt joint cylinder, a second internal thread is arranged on the inner wall of the lower part of the boss, a second external thread is arranged on the head part of the butt joint cylinder, the boss of the butt joint cylinder is sleeved at the flange, and the second internal thread is in threaded connection with the second external thread; the inner peripheral part of the protection barrel is provided with a first internal thread, and the first internal thread is in threaded connection with the first external thread.

4. A replaceable head plug as claimed in claim 2 in which the coupling housing is snap-fit or snap-clip connected to the docking barrel and/or the shielding barrel.

5. A plug with a replaceable head as claimed in claim 1, wherein the head is a TRS 3.5mm connector, a TRRS2.5mm connector, a TRS 6.35mm connector, a TRRRS 4.4mm connector, an XLR connector, an RCA connector, or a USB connector.

6. The plug of claim 1, wherein the head portion comprises an insulating covering core and a left channel positive plate, a left channel negative plate, a right channel positive plate and a right channel negative plate embedded on the insulating covering core, wherein the left channel positive plate, the left channel negative plate, the right channel positive plate and the right channel negative plate are not in contact with each other, one end of each of the left channel positive plate, the left channel negative plate, the right channel positive plate and the right channel negative plate is sequentially arranged and covered on the outer wall of the insulating covering core, the other end of each of the left channel positive plate, the right channel negative plate and the right channel negative plate is arranged on the other end of the insulating covering core to form a butt contact piece in contact with the metal terminal, and the number of the metal terminals is four, and the four metal terminals respectively correspond to the left channel positive plate, the left channel negative plate, the right channel positive plate and the right channel negative plate.

7. The plug of claim 6, wherein the left channel positive plate and the right channel positive plate are arranged in front of and behind the same side of the insulating coated core, and the left channel negative plate and the right channel negative plate are arranged in front of and behind the same side of the insulating coated core.

8. The plug with the replaceable head according to claim 6, wherein the insulating covering core is further provided with a connecting piece, and the connecting piece is sleeved outside the insulating covering core.

9. A plug with a replaceable head according to claim 6, 7 or 8, wherein the end face of the plug hole of the rubber core is provided with a profiled groove, and the inner wall of the plug hole is provided with a positioning groove; the end part of the insulating coating core is provided with a positioning column which is connected with a special-shaped table; the end of the insulating coating core is inserted into the jack, the positioning column is inserted into the positioning groove, and the special-shaped table and the special-shaped groove are correspondingly matched and spliced, so that the head can be inserted only along one direction when being inserted, and the foolproof effect is achieved.

10. A replaceable head plug as claimed in claim 1 in which the rubber core is provided with a clip at the end provided with the metal plate, the clip comprising an annular metal plate and a bracket, the annular metal plate being mounted on top of the rubber core by the bracket and being spaced from the metal terminals.