CN217849638U

CN217849638U - TWS earphone structure of removable probe

Info

Publication number: CN217849638U
Application number: CN202220723159.6U
Authority: CN
Inventors: 王志俊
Original assignee: Fiio Electronics Technology Co ltd
Current assignee: Fiio Electronics Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-11-18
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to an earphone technical field, concretely relates to TWS earphone structure of removable probe, including earphone box body, metal contact, earphone shell, probe subassembly and circuit board, earphone box body upper end both sides are equipped with the chamber that holds of symmetric distribution, every hold the intracavity and all be equipped with a plurality of interval distribution's metal contact, establish the cavity in the earphone shell, the circuit board sets up inside the earphone shell, a plurality of interval distribution's screw hole, every are seted up to earphone shell lower extreme all be equipped with probe subassembly, every in the screw hole probe subassembly upper end is connected with the circuit board, every the probe subassembly lower extreme corresponds the contact with a plurality of metal contact. The utility model discloses a set up threaded probe, can dismantle with earphone shell through the mode of lock screw and be connected, when taking place the probe oxidation and lead to unfavorable condition such as not charging in the user use, can change the probe solution problem of delivery by oneself, need not return the factory.

Description

TWS earphone structure of removable probe

Technical Field

The utility model relates to an earphone technical field, concretely relates to TWS earphone structure of removable probe.

Background

In the existing TWS earphone, generally, the electric connection between the earphone and the earphone box adopts the magnetic attraction connection between a probe and a contact, so that the use is convenient. However, the probe is easily polluted when the earphone is worn and used; and if the probe is charged when it is saturated with sweat, galvanic corrosion occurs. The two situations can cause the connection failure between the probe and the contact point of the battery box, and the problems of no charging or abnormal communication occur. Present probe is stained with on the earphone box with glue generally, and when the probe oxidized, the user just need return the factory maintenance, wastes time and energy.

In view of this, it is necessary to provide a TWS earphone structure with a replaceable probe, so as to solve the problem that the existing probe is generally stuck on an earphone box by glue, and when the probe is oxidized, a user needs to return to the factory for maintenance, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a TWS earphone structure of removable probe for solve prior art and generally all be stained with glue on the earphone box, when the probe was oxidized, the user just need return the factory maintenance, the scheduling problem that wastes time and energy.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a TWS earphone structure with a replaceable probe comprises an earphone box cover, an earphone box body, a metal contact, an earphone shell, a probe assembly and a circuit board;

earphone lid lower extreme rear side and earphone box body upper end rear side rotate to be connected, earphone box body upper end both sides are equipped with the chamber that holds of symmetric distribution, every hold the mounting hole that the intracavity all was equipped with a plurality of interval distribution, every all be equipped with the metal contact in the mounting hole, establish the cavity in the earphone shell, the circuit board sets up inside the earphone shell, a plurality of interval distribution's screw hole is seted up to earphone shell lower extreme, every all be equipped with probe assembly in the screw hole, every probe assembly upper end is connected with the circuit board, every probe assembly lower extreme corresponds the contact with a plurality of metal contact.

Furthermore, each probe assembly comprises a thimble and a bonding pad, the bonding pad is arranged on the surface of the lower end of the circuit board, the upper end of the thimble is in contact with the bonding pad, and the lower end of the thimble penetrates through the threaded hole to be correspondingly connected with the plurality of metal contacts. The probe assembly is provided with a thimble, so that the metal contact and the bonding pad can be conveniently and correspondingly connected with a transmission power supply.

Furthermore, a thread groove is formed in the outer side of the lower end of each ejector pin. The thimble lower extreme sets up the thread groove, and the convenience corresponds with the screw hole on the earphone shell and can dismantle the connection to convenient the change.

Furthermore, the upper end of each thimble is provided with a top column. The thimble sets up the fore-set, conveniently is connected with pad surface contact.

Furthermore, every the probe subassembly includes copper double-screw bolt and copper nut, copper nut upper end and circuit board pass through soldering tin and are connected, the thread groove has been seted up to copper double-screw bolt upper end, establish the screw hole in the copper nut, copper double-screw bolt upper end corresponds with copper nut is inside to be connected, copper double-screw bolt lower extreme passes earphone shell and corresponds with a plurality of metal contact and is connected. The probe assembly is provided with the copper stud and the copper nut, and a nut and screw connection mode is adopted, so that a threaded hole is prevented from being punched in the earphone shell.

Furthermore, every the thimble bottom all has seted up with copper double-screw bolt bottom and has connected the notch. The bottom end of the ejector pin and the bottom end of the copper stud are provided with connecting notches, the connecting notches are in the shapes of a straight line, a cross, a pentagon and the like, and the ejector pin and the copper stud are conveniently and correspondingly detachably connected with a disassembling tool.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model relates to a TWS earphone structure of removable probe, through setting up threaded probe, can dismantle with the earphone shell through the mode of locking the screw and be connected, when taking place the probe oxidation and lead to unfavorable conditions such as not charging in the user use, can change the probe solution problem of delivery by oneself, need not return the factory.

Drawings

Fig. 1 is a schematic top view of an embodiment of a TWS headset structure with a replaceable probe according to the present invention;

FIG. 2 is a schematic cross-sectional structural view (Structure one) of a probe assembly in an embodiment of the probe-interchangeable TWS headset structure of the present invention;

fig. 3 is a schematic cross-sectional view illustrating an ejector pin of a TWS earphone structure with a replaceable probe according to the present invention;

fig. 4 is a schematic bottom view of a thimble of a TWS earphone structure with a replaceable probe according to the present invention;

FIG. 5 is a schematic cross-sectional structural view (structure two) of a probe assembly in an embodiment of the probe-replaceable TWS earphone structure of the present invention;

reference numerals referred to in the drawings are:

the earphone comprises an earphone box body 1, a mounting hole 2, a containing cavity 3, an earphone box cover 4, a bonding pad 5, a circuit board 6, an earphone shell 7, a metal contact 8, a thimble 9, a thread groove 10, a threaded hole 11, a top column 12, a connecting notch 13, a copper stud 14 and a copper nut 15.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1-4, a TWS headset structure with replaceable probe comprises a headset cover 4, a headset body 1, a metal contact 8, a headset housing 7, a probe assembly and a circuit board 6;

4 lower extreme rear sides of earphone lid and the rotatory connection of 1 upper end rear side of earphone box body, 1 upper end both sides of earphone box body are equipped with the chamber 3 that holds of symmetric distribution, every holds all is equipped with a plurality of interval distribution's mounting hole 2 in the chamber 3, all be equipped with metal contact 8 in every mounting hole 2, establish the cavity in the earphone shell 7, circuit board 6 sets up inside earphone shell 7, a plurality of interval distribution's screw hole 11 is seted up to 7 lower extremes of earphone shell, all be equipped with the probe subassembly in every screw hole 11, every probe subassembly upper end is connected with circuit board 6, every probe subassembly lower extreme corresponds the contact with a plurality of metal contact 8.

Each probe assembly comprises an ejector pin 9 and a bonding pad 5, the bonding pad 5 is arranged on the surface of the lower end of the circuit board 6, the upper end of the ejector pin 9 is in contact with the bonding pad 5, and the lower end of the ejector pin 9 penetrates through the threaded hole 11 to be correspondingly connected with the plurality of metal contacts 8. The probe assembly is provided with a thimble 9, so that the metal contact 8 and the bonding pad 5 are conveniently correspondingly connected with a transmission power supply.

The outer side of the lower end of each thimble 9 is provided with a thread groove 10. The lower end of the thimble 9 is provided with a thread groove 10 which is convenient to be detachably connected with a thread hole 11 on the earphone shell 7 correspondingly, thereby being convenient to replace.

The upper end of each thimble 9 is provided with a top column 12. The thimble 9 is provided with a top column 12 which is convenient to be in contact connection with the surface of the bonding pad 5.

And the bottom end of each thimble 9 and the bottom end of the copper stud 14 are provided with connecting notches 13. The bottom end of the thimble 9 is provided with a connecting notch 13, and the connecting notch 13 is in a shape of a straight line, a cross, a pentagon and the like, so that the thimble is conveniently and correspondingly detachably connected with a disassembling tool.

The first embodiment has the advantages that: the probe assembly sets up thimble 9, conveniently corresponds metal contact 8 and pad 5 and is connected the transmission power, and 9 lower extremes of thimble set up thread groove 10, and the convenience corresponds with screw hole 11 on the earphone shell 7 and can dismantle the connection to convenient the change, thimble 9 sets up fore-set 12, and convenient and pad 5 surface contact is connected, and connection notch 13 is seted up to 9 bottom of thimble, and connection notch 13 shape is a word, cross and pentagon etc. and the convenience corresponds with extracting tool and can dismantle the connection.

Example two

As shown in fig. 4-5, a TWS headset structure with replaceable probe comprises a headset cover 4, a headset body 1, a metal contact 8, a headset housing 7, a probe assembly and a circuit board 6;

Each probe assembly comprises a copper stud 14 and a copper nut 15, the upper end of the copper nut 15 is connected with the circuit board 6 through soldering tin, a thread groove 10 is formed in the upper end of the copper stud 14, a threaded hole 11 is formed in the copper nut 15, the upper end of the copper stud 14 is correspondingly connected with the inside of the copper nut 15, and the lower end of the copper stud 14 penetrates through the earphone shell 7 to be correspondingly connected with the plurality of metal contacts 8. The probe assembly is provided with a copper stud 14 and a copper nut 15, and a nut and screw connection mode is adopted, so that the phenomenon that a threaded hole 11 is punched on the earphone shell 7 is avoided.

And the bottom end of each thimble 9 and the bottom end of the copper stud 14 are provided with connecting notches 13. The bottom end of the copper stud 14 is provided with a connecting notch 13, and the connecting notch 13 is in a shape of a straight line, a cross, a pentagon and the like, so that the connecting notch can be conveniently and detachably connected with a disassembling tool correspondingly.

The second embodiment has the advantages that: the probe assembly is provided with a copper stud 14 and a copper nut 15, and a nut and screw connection mode is adopted, so that a threaded hole 11 is prevented from being punched on the earphone shell 7, a connection notch 13 is formed in the bottom end of the copper stud 14, the connection notch 13 is in a shape of a straight line, a cross, a pentagon and the like, and the detachable connection is convenient to correspond to a detaching tool.

The utility model discloses a use method:

when the earphone is used, the earphone box cover 4 is opened, the bottom of the earphone shell 7 is manually placed into the accommodating cavity 3 on the earphone box body 1 downwards, the thimble 9 is in contact transmission with the metal contact 8, and charging is started;

when the earphone shell is replaced, the disassembling tool is aligned to the connecting notch 13 at the bottom end of the thimble 9, then the damaged thimble 9 is rotated out, the distributed thimble 9 is rotated into the threaded hole 11 in the earphone shell 7 by repeating the above operations, and the replacement is completed.

The above description is only for the embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the capability of applying the conventional experimental means before this date, and those skilled in the art can complete and implement the schemes in combination with their own capability, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A TWS earphone structure of removable probe which characterized in that: the earphone comprises an earphone box cover (4), an earphone box body (1), a metal contact (8), an earphone shell (7), a probe assembly and a circuit board (6);

earphone lid (4) lower extreme rear side rotates with earphone box body (1) upper end rear side to be connected, earphone box body (1) upper end both sides are equipped with the chamber (3) that hold that the symmetric distribution, every hold all be equipped with a plurality of interval distribution in chamber (3) mounting hole (2), every all be equipped with metal contact (8) in mounting hole (2), establish the cavity in earphone shell (7), circuit board (6) set up inside earphone shell (7), a plurality of interval distribution's screw hole (11), every are seted up to earphone shell (7) lower extreme all be equipped with probe assembly in screw hole (11), every probe assembly upper end is connected with circuit board (6), every probe assembly lower extreme corresponds the contact with a plurality of metal contact (8).

2. A interchangeable probe TWS headset structure according to claim 1, wherein: every the probe subassembly includes thimble (9) and pad (5), pad (5) set up in circuit board (6) lower extreme surface, thimble (9) upper end and pad (5) contact, thimble (9) lower extreme passes screw hole (11) and corresponds with a plurality of metal contact (8) and is connected.

3. A interchangeable probe TWS earphone structure according to claim 2, wherein: a thread groove (10) is formed in the outer side of the lower end of each thimble (9).

4. A interchangeable probe TWS headset structure according to claim 3, wherein: the upper end of each thimble (9) is provided with a thimble (12).

5. A interchangeable probe TWS earphone structure according to claim 4, wherein: every the probe subassembly includes copper stud (14) and copper nut (15), copper nut (15) upper end is connected through soldering tin with circuit board (6), thread groove (10) have been seted up to copper stud (14) upper end, establish screw hole (11) in copper nut (15), copper stud (14) upper end corresponds with copper nut (15) are inside to be connected, copper stud (14) lower extreme passes earphone shell (7) and corresponds with a plurality of metal contact (8) and is connected.

6. A interchangeable probe TWS earphone structure according to claim 5, wherein: each connecting notch (13) is formed in the bottom end of the ejector pin (9) and the bottom end of the copper stud (14).