CN218526419U

CN218526419U - Mini earphone

Info

Publication number: CN218526419U
Application number: CN202222407390.7U
Authority: CN
Inventors: 郑群雄
Original assignee: Shenzhen Xinke Meida Communication Co ltd
Current assignee: Shenzhen Xinke Meida Communication Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-24
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to a mini earphone goes up casing, well casing and casing buckle connection in proper order down, connects conveniently, and the appearance is pleasing to the eye. The bluetooth module configuration keeps away from the speaker in first holding tank, keeps away from the human body promptly, can guarantee bluetooth signal's stable transmission. The control circuit board is limited by the mounting groove, the loudspeaker, the battery and the charging column below are sequentially placed, and the space in the middle is large enough to meet the volume requirement of the battery as far as possible. The whole structure configuration is reasonable and compact, the volume is small, the wearing is comfortable, no screw connection structure exists, the appearance is attractive, and the internal space is large. Go into ear convex body disect insertion human external auditory canal in, need not the silica gel cover, reduced the inflation sense, wear more comfortable.

Description

Mini earphone

Technical Field

The utility model relates to a TWS earphone technical field especially relates to a mini earphone.

Background

Existing TWS headphones are generally in-ear, semi-in-ear, air-conducting, bone-conducting. Regardless of the type of headset, miniaturization is always an industry trend. The existing earphones are too large in size, and one is restriction of a battery; secondly, signal restriction; thirdly, the restriction of the installation structure; and the fourth is the restriction of ergonomics. There are many obstacles to making a headset smaller.

SUMMERY OF THE UTILITY MODEL

In view of the above, a need exists for a smaller mini-headset.

In order to solve the technical problem, the utility model discloses a technical scheme be: a mini headset, comprising:

the upper shell is internally provided with a first accommodating groove, and the lower end of the first accommodating groove is provided with a first buckling part;

the middle shell is in a frame shape, a containing hole is formed in the middle shell, a supporting plate is arranged at one end, close to the upper shell, in the containing hole, a mounting groove is formed above the supporting plate by the containing hole, a second buckling part in buckling connection with the first buckling part is arranged on the upper end face of the middle shell, and a third buckling part is arranged on the lower end face of the middle shell;

the lower shell comprises a main bin and an ear-entering convex body which obliquely and downwardly extends along one side of the main bin, a second accommodating groove is formed in the main bin, a horn mounting hole communicated with the second accommodating groove is formed in the ear-entering convex body, a sound outlet hole is formed in the end part of the ear-entering convex body and communicated with the horn mounting hole, and a fourth buckling part in buckling connection with the third buckling part is arranged at the upper end of the main bin;

the control circuit board is arranged in the mounting groove;

the Bluetooth module is coupled on the control circuit board and is positioned in the first accommodating groove;

the battery is electrically connected with the control circuit board, and the battery is arranged in the accommodating hole and the second accommodating groove below the control circuit board;

the loudspeaker is electrically connected with the control circuit board and is arranged in the loudspeaker mounting hole;

the post that charges, with the control circuit board electricity is connected, the post that charges is located and keeps away from one side of speaker, go up the casing or the casing has the confession the hole of charging that the post that charges exposes down.

Furthermore, go up casing downwardly extending has first location spliced pole, well casing be equipped with the first location connecting hole of first location spliced pole looks adaptation.

Furthermore, the lower shell extends upwards to form a second positioning connecting column, and the middle shell is provided with a second positioning connecting hole matched with the second positioning connecting column.

Furthermore, a limiting block is arranged in the upper shell, and the limiting block is matched with the mounting groove to limit the control circuit board.

Furthermore, the hole setting of charging is in on the casing down, the post that charges includes the principal post and stretches into the downthehole contact post that charges, the principal post butt casing down, the layer board is located one side at loudspeaker mounting hole place, the layer board with the principal post supports jointly control circuit board.

Further, be equipped with the hole seat in the inferior valve body, the hole setting that charges is in the hole seat.

Further, the outer diameter of the lug-in convex body is gradually reduced along the extension direction.

Furthermore, the end surface of the convex body is spherical.

Furthermore, the first buckling part is a first clamping strip groove extending in a long arc shape, and the second buckling part is a first clamping strip matched with the first clamping strip groove.

Furthermore, the third buckling part is a long arc-shaped second buckling strip, and the fourth buckling part is a second buckling strip groove matched with the second buckling strip.

The beneficial effects of the utility model reside in that: the upper shell, the middle shell and the lower shell are sequentially connected in a buckling manner, so that the connection is convenient and the appearance is attractive. The bluetooth module configuration keeps away from the speaker in first holding tank, keeps away from the human body promptly, can guarantee bluetooth signal's stable transmission. The control circuit board is limited by the mounting groove, the loudspeaker, the battery and the charging column below are sequentially placed, and the space in the middle is large enough to meet the volume requirement of the battery as far as possible. Go into ear convex body disect insertion human external auditory canal, need not the silica gel cover, reduced the inflation sense, wear more comfortable.

Drawings

Fig. 1 is an exploded schematic view of a mini-earphone according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an external structure of a mini-earphone according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a mini headset according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an upper housing of a mini headset according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a middle housing of a mini headset according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another direction of the middle housing of the mini headset according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a lower case of a mini-earphone according to an embodiment of the present invention.

Description of reference numerals:

100. an upper housing; 110. a first accommodating groove; 111. a first clip groove; 120. a first positioning connecting column;

130. a limiting block; 200. a middle shell; 210. a pallet; 220. a receiving hole;

230. a first clip strip; 240. a second card strip; 250. a first positioning connecting hole; 260. a second positioning connecting hole;

300. a lower housing; 310. a main bin; 311. a second accommodating groove; 312. a second clip groove;

313. a second positioning connecting column; 314. a hole seat; 315. a charging hole; 320. a convex body of the ear;

321. a horn mounting hole; 322. a sound outlet hole; 400. a control circuit board; 411. touching the thimble;

420. a charging post; 421. a main column; 422. a contact post; 500. a battery; 600. a loudspeaker.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the mini-headset in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-7, a mini headset includes:

an upper housing 100 having a first receiving groove 110 therein, the lower end of the first receiving groove 110 being provided with a first fastening part;

the middle shell 200 is in a frame shape, a containing hole 220 is formed in the middle shell, a supporting plate 210 is arranged at one end, close to the upper shell 100, in the containing hole 220, a mounting groove is formed above the supporting plate 210 by the containing hole 220, a second buckling part in buckling connection with the first buckling part is arranged on the upper end surface of the middle shell 200, and a third buckling part is arranged on the lower end surface of the middle shell 200;

the lower shell 300 comprises a main bin 310 and an ear-entering convex body 320 which extends downwards along one side of the main bin 310 in an inclined manner, a second accommodating groove 311 is arranged in the main bin 310, a horn mounting hole 321 communicated with the second accommodating groove 311 is arranged in the ear-entering convex body 320, a sound outlet hole 322 is arranged at the end part of the ear-entering convex body 320, the sound outlet hole 322 is communicated with the horn mounting hole 321, and a fourth buckling part in buckling connection with the third buckling part is arranged at the upper end of the main bin 310;

a control circuit board 400 disposed in the mounting groove;

a bluetooth module (not shown) coupled to the control circuit board 400 and located in the first receiving groove 110;

a battery 500 electrically connected to the control circuit board 400, the battery 500 being disposed in the receiving hole 220 and the second receiving hole 311 below the control circuit board 400;

a speaker 600 electrically connected to the control circuit board 400, the speaker 600 being disposed in the horn installation hole 321;

the charging post 420 is electrically connected to the control circuit board 400, the charging post 420 is located at a side away from the speaker 600, and the upper casing 100 or the lower casing 300 has a charging hole 315 for exposing the charging post 420.

The upper shell 100, the middle shell 200 and the lower shell 300 are sequentially connected in a buckling manner, so that the connection is convenient and the appearance is attractive. The touch thimble 411 is disposed in the first receiving groove 110, and is far away from the speaker 600, i.e. away from the human body, so as to ensure the stable transmission of the bluetooth signal. The control circuit board 400 is limited by the mounting groove, the speaker 600, the battery 500 and the charging post 420 are arranged in sequence, and the space in the middle is large enough to meet the volume requirement of the battery 500 as much as possible. Go into ear convex body disect insertion human external auditory canal, need not the silica gel cover, reduced the inflation sense, wear more comfortable.

Referring to fig. 1 and 3-5, the upper housing 100 extends downward to form a first positioning connection column 120, and the middle housing 200 is provided with a first positioning connection hole 250 adapted to the first positioning connection column 120. First location spliced pole 120 and first location connecting hole 250 set up and carry out prepositioning when can conveniently going up casing 100 and well casing 200 lock to can improve the joint strength of going up casing 100 and well casing 200 through setting up the inflation dop at first spliced pole, can understand, the dop that the inflation dop diminishes from middle part to both ends cross section gradually promptly.

Referring to fig. 1, 6 and 7, a second positioning connection pole 313 extends upward from the lower housing 300, and the middle housing 200 is provided with a second positioning connection hole 260 adapted to the second positioning connection pole 313. The second positioning connecting column 313 and the second positioning connecting hole 260 are arranged like the first positioning connecting and the first positioning connecting hole 250, and simply, an expansion chuck can be arranged on the second positioning connecting column 313 according to the requirement.

Referring to fig. 3 and 4, a limiting block 130 is disposed in the upper casing 100, and the limiting block 130 cooperates with the mounting groove to limit the control circuit board 400. In particular, the stopper 130 is located on a side away from the plate 210.

Referring to fig. 1 and 2, the charging hole is disposed on the lower housing 300, the charging post 420 includes a main post 421 and a contact post 422 extending into the charging hole, the main post 421 abuts against the lower housing 300, the supporting plate 210 is located at one side of the horn-shaped mounting hole 321, and the supporting plate 210 and the main post 421 support the control circuit board 400 together. The main column 421 abuts against the lower housing 300 to play a limiting and supporting role, on one hand, the charging column 420 and the charging hole are prevented from being not perfectly matched, i.e., being too convex or too concave, and on the other hand, the main column can be matched with the supporting plate 210 to support the control circuit board 400 together.

Referring to fig. 1, 2 and 7, a hole seat is formed in the lower housing 300, and the charging hole is formed in the hole seat. Set up the hole seat, promote the length in hole of charging, guarantee the stability of post 420 that charges. It will be appreciated that the charging post 420 is generally configured to have a positive and a negative configuration, and the charging base and the charging aperture are correspondingly configured to have two configurations. Simply, the main column 421 may directly abut against the end surface of the hole seat, or a stepped hole may be provided in the hole seat to cooperate with the charging column 420.

Referring to fig. 2 and 3, an ear insertion protrusion is formed at one side of the lower housing 300, and the horn installation hole 321 is disposed in the ear insertion protrusion. The ear convex body is arranged and extends into the external auditory canal of the ear, so that the sound effect and the wearing stability are improved. It can be understood that the ear inlet convex body has a sound outlet hole communicated with the horn mounting hole 321. The lug-in protrusion is generally disposed obliquely downward in a manner generally inclined outward, i.e., away from the charging hole.

Preferably, referring to fig. 2 and 3, the outer diameter of the ear-insertion protrusion 320 is gradually reduced along the extending direction. Meets the ergonomics and is convenient to extend into the external auditory canal of the human body.

Referring to fig. 2, the end surface of the ear-entering protrusion 320 is spherical. The external auditory canal of the human body is protected, and the scratching event is not easy to occur.

Referring to fig. 3 and 4, the first locking portion is a first locking strip groove 111 extending in a long arc shape, and the second locking portion is a first locking strip 230 adapted to the first locking strip groove 111. The first clip strip groove 111 and the first clip strip 230 in a long arc shape have a large contact area and high connection stability.

Referring to fig. 5 and 6, the third locking portion is a long arc-shaped second locking strip 240, and the fourth locking portion is a second locking strip groove 312 adapted to the second locking strip 240. The long arc-shaped second clamping strip 240 and the second clamping strip groove 312 have large contact surface and high connection stability.

Specifically, the first positioning connection post 120 and the first positioning connection hole 250 are disposed at one side close to the speaker 600, and the long arc-shaped first clip groove 111 is disposed at the other side away from the first positioning connection post 120; the second positioning connection hole 260 is disposed in the middle of the middle case 200, and the second clip groove 312 is disposed at both sides of the second positioning connection hole 260.

The touch panel further comprises a touch thimble 411, the touch thimble 411 is electrically connected to the control circuit board and located in the first accommodating groove 110, and the touch thimble 411 abuts against the upper housing. The touch thimble 411 is provided to facilitate the touch operation.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

To sum up, the utility model provides a pair of mini earphone goes up casing, well casing and casing buckle connection in proper order down to adopted long curved card strip groove and card strip, the contact surface is big, connects stably. The bluetooth module configuration keeps away from the speaker in first holding tank, keeps away from the human body promptly, can guarantee bluetooth signal's stable transmission. The control circuit board is limited by the mounting groove, the loudspeaker, the battery and the charging column below are sequentially placed, and the space in the middle is large enough to meet the volume requirement of the battery as far as possible. The whole structure is reasonable and compact in configuration, small in size, comfortable to wear, free of a threaded connection structure, attractive in appearance and large in internal space. Go into ear convex body disect insertion human external auditory canal, need not the silica gel cover, reduced the inflation sense, wear more comfortable.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. A mini headset, comprising:

the upper shell is internally provided with a first accommodating groove, and the lower end of the first accommodating groove is provided with a first buckling part; the middle shell is in a frame shape, a containing hole is formed in the middle shell, a supporting plate is arranged at one end, close to the upper shell, in the containing hole, an installation groove is formed above the supporting plate by the containing hole, a second buckling part connected with the first buckling part in a buckling mode is arranged on the upper end face of the middle shell, and a third buckling part is arranged on the lower end face of the middle shell;

the control circuit board is arranged in the mounting groove;

the loudspeaker is electrically connected with the control circuit board and is arranged in the loudspeaker mounting hole; the post that charges, with the control circuit board electricity is connected, the post that charges is located and keeps away from one side of speaker, go up the casing or the casing has the confession the hole of charging that the post that charges exposes down.

2. The mini headset of claim 1, wherein the upper housing extends downward to form a first positioning connection post, and the middle housing is provided with a first positioning connection hole matching with the first positioning connection post.

3. The mini headset of claim 1, wherein the lower housing extends upward to form a second positioning connection post, and the middle housing is provided with a second positioning connection hole matching with the second positioning connection post.

4. The mini headset of claim 1, wherein a stop block is disposed in the upper housing, and the stop block cooperates with the mounting groove to limit the control circuit board.

5. The mini headset of claim 1, wherein the charging hole is formed in the lower housing, the charging post comprises a main post and a contact post extending into the charging hole, the main post abuts against the lower housing, the support plate is located on one side of the speaker mounting hole, and the support plate and the main post jointly support the control circuit board.

6. The mini headset of claim 5, wherein the lower housing has a hole seat therein, and the charging hole is disposed in the hole seat.

7. The mini headset of claim 1, wherein the protruding body tapers in outer diameter in the direction of extension.

8. The mini headset of claim 7, wherein the end surface of the convex body is spherical.

9. The mini headset of claim 1, wherein the first locking portion is a first locking groove extending in a long arc shape, and the second locking portion is a first locking strip matched with the first locking groove.

10. The mini headset as claimed in claim 1, wherein the third fastening portion is a second elongated arc-shaped fastening strip, and the fourth fastening portion is a second fastening strip slot adapted to the second fastening strip.