CN209299486U - An in-ear physical frequency division earphone - Google Patents

Abstract

The utility model discloses an in-ear physical frequency division earphone, comprising a front shell, a left rear shell and a right rear shell, wherein the left rear shell and the right rear shell are assembled with the front shell after being snapped together to form an earphone shell with a hollow interior, wherein a mid-high frequency component and a bass component are installed in the earphone shell, wherein the mid-high frequency component is installed at the front position of the earphone shell, and the bass component is installed at the rear and outside of the earphone shell, wherein the outer side of the front shell extends outward to form a columnar connecting tube, wherein a sound outlet is provided on the connecting tube, and a connecting groove is provided on the outer side of the connecting tube, wherein an earplug is provided on the connecting groove, wherein the sound outlet is connected to the bass component through a sound guide tube, and a dust plug is provided on the sound outlet. The utility model has a simple structure, a beautiful appearance, adopts physical sound guide frequency division, has a low production cost, and is conducive to promotion.

Description

An in-ear physical frequency division earphone

technical field

The utility model relates to an earphone, in particular to an in-ear physical frequency division earphone.

Background technique

There are many types of earphones. Among them, in-ear crossover earphones are used to separate the intermediate frequency, low frequency, and high frequency in multi-speaker earphones, and then remix them through the earphone cavity to bring out the sound advantages of each unit. However, the existing in-ear frequency-division earphones have a single shape and a relatively complicated structure. It is necessary to add a frequency divider or a frequency-division circuit board with a capacitor to achieve frequency division in the earphone. The production cost is high, which is not conducive to popularization.

Utility model content

The purpose of this utility model is to provide an in-ear type physical frequency division earphone, which has the advantages of simple structure, beautiful appearance, adopting physical sound guide frequency division, low production cost, and good for promotion, and solves the problems raised by the above technical background.

In order to achieve the above purpose, the utility model provides the following technical solutions: an in-ear physical frequency division earphone, including a front shell, a left rear shell and a right rear shell, and the left rear shell and the right rear shell are snapped together and assembled with the front shell An internal hollow earphone shell is formed, and a mid-treble component and a bass component are installed in the earphone shell, the mid-treble component is installed at the front position of the earphone shell, and the bass component is installed at the rear of the earphone shell, The outer side of the front shell extends outward to form a columnar connecting pipe, the connecting pipe is provided with a sound outlet, and the outer side of the connecting pipe is provided with a connecting groove, the connecting groove is provided with earplugs, and the sound outlet passes through The sound guide tube is connected with the bass component, and a dustproof plug is arranged on the sound outlet.

Preferably, a decorative ring is provided on the outside of the right rear shell.

Preferably, a connecting sleeve is provided at the bottom of the earphone shell, and an earphone wire is installed in the connecting sleeve, and the earphone wire is respectively connected to the mid-high-pitch component and the bass component.

Preferably, the mid-tweeter component includes a mid-tweeter housing and a mid-tweeter horn and a tweeter arranged on the mid-tweeter shell, the mid-tweeter shell is provided with a mid-range sound outlet and a treble sound outlet, so The mid-range sound outlet and the treble sound outlet are set in one-to-one correspondence with the mid-range speaker and the tweeter.

Preferably, the bass component includes a bass housing, and a woofer is arranged in the bass housing.

Preferably, the sound guide tube is provided with a bending portion, and the sound guide tube is a stainless steel tube body, and the inner diameter of the stainless steel tube body is greater than or equal to 0.2 mm and less than or equal to 0.5 mm.

Preferably, the earplug is provided with a circular earplug hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model sets the front shell, the left rear shell and the right rear shell. The front shell, the left rear shell and the right rear shell do not need to be assembled with screws, which reduces the assembly process accordingly and improves the assembly efficiency. Set the decorative circle to achieve the effect of beautiful appearance.

2. The utility model is provided with a sound guide tube, which transmits the sound from the woofer to the sound outlet, so as to achieve the effect of producing thick and elastic bass.

Description of drawings

Fig. 1 is the explosion diagram of the utility model;

Fig. 2 is a structural diagram of the mid-tweeter assembly of the present invention.

The reference signs and names in the figure are as follows:

1. Front shell; 2. Left rear shell; 3. Right rear shell; 4. Mid-high pitch component; 5. Bass speaker; 6. Bass component; 7. Sound guide tube; 8. Bass shell; , earphone cable; 11, dust filter; 12, earplugs; 13, connecting pipe; 14, connecting groove; 15, earplug hole; 16, decorative ring; 17, sound outlet; 18, midrange speaker; 19, tweeter ; 20. Middle and high pitch shell; 21. Mid pitch sound outlet; 22. Treble sound outlet; 23. Bending part.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 to Fig. 2, an embodiment provided by the utility model: an in-ear type physical frequency division earphone, comprising a front case 1, a left rear case 2 and a right rear case 3, and the outer side of the right rear case 3 is arranged There is a decorative ring 16 to achieve a beautiful appearance. After the left rear shell 2 and the right rear shell 3 are snapped together, they are assembled with the front shell 1 to form an internal hollow earphone shell, and a mid-treble component 4 is installed in the earphone shell And bass assembly 6, described mid-treble assembly 4 is installed on the front position of earphone housing, and described mid-treble assembly 4 comprises mid-treble housing 20 and the mid-range speaker 18 and tweeter 19 that are arranged on the mid-treble housing 20 , the middle and high pitch housing 20 is provided with a midrange sound outlet 21 and a treble sound outlet 22, and the midrange sound outlet 21 and the treble sound outlet 22 are in one-to-one correspondence with the midrange speaker 18 and the tweeter 19 Setting, the bass assembly 6 is installed on the back of the earphone shell, the bass assembly 6 includes a bass shell 8, a woofer 5 is arranged in the bass shell 8, and a connecting sleeve 9 is provided at the bottom of the earphone shell , the earphone wire 10 is installed in the connecting sleeve 9, and the earphone wire 10 is respectively connected with the mid-treble component 4 and the bass component 6, and the outer side of the front shell 1 extends outward to form a columnar connecting pipe 13. The pipe 13 is provided with a sound outlet 17, and the outer side of the connecting pipe 13 is provided with a connecting groove 14, the connecting groove 14 is provided with an earplug 12, and the earplug 12 is provided with a circular earplug hole 15, and the sound outlet The mouth 17 is connected with the bass assembly 6 through the sound guide tube 7, and the sound guide tube 7 is provided with a dust-proof net 11, and the sound guide tube 7 is provided with a bending part 23, and the sound guide tube 7 is a stainless steel pipe body, The inner diameter of the stainless steel pipe body is greater than or equal to 0.2 mm and less than or equal to 0.5 mm. In this embodiment, the inner diameter of the stainless steel pipe body is preferably 0.25 mm. The stainless steel pipe body has good audio transmission effect and no noise.

The utility model installs the middle and high frequency components 4 and the low frequency components 6 in the earphone shell, and the sound guide tube 7 transmits the sound of the low frequency on the woofer 5 to the sound outlet 17 and the midrange speaker 18 and the treble at the sound outlet 17. The mid-frequency and high-frequency sound emitted by the horn 19 are fused together to achieve the effect of thick and elastic bass. The structure is simple and practical. The sound guide tube 7 is made of a stainless steel tube, and the production cost is low, which is favorable for popularization.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. An in-ear physical crossover earphone, comprising a front shell (1), a left rear shell (2) and a right rear shell (3), characterized in that: the left rear shell (2) and the right rear shell (3) ) and assembled with the front shell (1) to form a hollow earphone shell, in which the middle and high frequency components (4) and bass components (6) are installed, and the middle and high frequency components (4) are installed on the earphone The front position of the shell, the bass component (6) is installed on the rear of the earphone shell, and the outer side of the front shell (1) extends outward to form a columnar connecting pipe (13), the connecting pipe (13 ) is provided with a sound outlet (17), and a connecting groove (14) is arranged on the outside of the connecting pipe (13). The connecting groove (14) is provided with an earplug (12), and the sound outlet (17) passes through The sound guide tube (7) is connected to the bass component (6), and the sound outlet (17) is provided with a dust-proof net (11). 2. An in-ear physical frequency-division earphone according to claim 1, characterized in that: a decorative ring (16) is provided on the outside of the right rear shell (3). 3. An in-ear physical frequency-division earphone according to claim 1, characterized in that: the bottom of the earphone housing is provided with a connecting sleeve (9), and an earphone cable (10) is installed in the connecting sleeve (9). ), the earphone wires (10) are respectively connected to the middle and high pitch components (4) and the bass components (6). 4. An in-ear type physical crossover earphone according to claim 1, characterized in that: the mid-treble component (4) includes a mid-treble shell (20) and a mid-treble shell (20) The midrange speaker (18) and the tweeter (19), the midrange shell (20) is provided with a midrange sound outlet (21) and a treble sound outlet (22), and the midrange sound outlet ( 21) and the tweeter outlet (22) are set in one-to-one correspondence with the midrange horn (18) and the tweeter (19). 5. An in-ear physical crossover earphone according to claim 1, characterized in that: the bass component (6) includes a bass shell (8), and a woofer (5) is arranged inside the bass shell (8) ). 6. An in-ear physical frequency division earphone according to claim 1, characterized in that: the sound guide tube (7) is provided with a bending part (23), and the sound guide tube (7) is a stainless steel tube Body, the inner diameter range of the stainless steel pipe body is greater than or equal to 0.2mm and less than or equal to 0.5mm. 7. The in-ear type physical frequency division earphone according to claim 1, characterized in that: the earplug (12) is provided with a circular earplug hole (15).