CN210986392U

CN210986392U - Earphone cavity structure capable of changing sound field and tone

Info

Publication number: CN210986392U
Application number: CN202020291181.9U
Authority: CN
Inventors: 黄志军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-07-10
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a can change earphone cavity structure of sound field and tone quality, including the interior sleeve pipe of earcap of earphone casing and earphone casing below, the second cavity that is provided with first cavity on the earphone casing and is linked together with first cavity, sound field tuning ware has been placed in the internal matching of second cavity, is provided with the logical sound hole that is linked together with the sound field tuning ware on the bottom inner wall of second cavity, the interior sheathed tube outside of earcap is equipped with silica gel earcap annular catching groove, set up the ring channel that the top set up for the opening on the interior sheathed tube lateral wall of earcap, and the ring channel internal rotation installs first pipe. The utility model relates to a rationally, utilize the inherent different resonant frequency of sound field tuning ware of different materials can correct tone and sound field, and can suitably adjust the angle of symmetry of two leading tone adjusting plates according to different personnel's demand error on the basis that changes, realize the reverberation time and the tone quality of further accurate better change sound, make sound more balanced pleasing to the eye.

Description

Earphone cavity structure capable of changing sound field and tone

Technical Field

The utility model relates to an in-ear earphone technical field especially relates to an earphone cavity structure that can change sound field and tone quality.

Background

In-ear earphones are limited in installation position of a loudspeaker, the adjustable position is not large, the sound production angle of the loudspeaker is not opposite to the sound production angle of a sound outlet nozzle, and sound production is not smooth, although two-cavity earphone shells exist on the market, sound field tuning sleeves (such as copper, aluminum, silver, wood and the like) made of different materials are placed in one cavity, and the inherent resonant frequency of the different materials is used for changing and correcting the sound and sound field; however, the earphone cavity structure cannot be changed and adjusted again according to the changed sound, and is not convenient for different people to adjust and correct according to actual requirements, and for some people who like high-quality high-level music, the requirements of different people can be different, and the sound field and the tone color need to be properly adjusted by changing the sound output mode.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides a can change earphone cavity structure of sound field and tone quality.

The utility model provides an earphone cavity structure capable of changing sound field and tone quality, which comprises an earphone shell and an inner ear cap sleeve below the earphone shell, wherein the earphone shell is provided with a first cavity and a second cavity communicated with the first cavity, a sound field tuner is placed in the second cavity in a matching way, a sound through hole communicated with the sound field tuner is arranged on the inner bottom wall of the second cavity, the outer side of the inner ear cap sleeve is provided with a silica gel ear cap annular buckle groove, the side wall of the inner ear cap sleeve is provided with an annular groove with an opening at the top, a first circular tube is rotationally installed in the annular groove, the top end of the first circular tube extends to the upper part of the inner ear cap sleeve and is fixedly connected with the bottom of the earphone shell, the first circular tube is communicated with the sound through hole, a second circular tube is sleeved in the first circular tube in a sliding way, and the bottom end of the second circular tube extends to the inner ear cap, the sleeve screw thread cover is established on the external screw thread cover in the earcap, the rectangular hole has all been seted up on the front side inner wall and the rear side inner wall of second pipe, rotate between the front side inner wall and the rear side inner wall of first pipe and install two pivots, two pivots all are located two rectangular holes, fixed cover is equipped with the sound regulating plate that leads that the slope set up in the pivot, two sound regulating plate symmetries set up of leading, two one sides that lead the sound regulating plate and be close to each other are all established to the cockscomb structure, lead the top of sound regulating plate and set up the recess that both sides are the opening setting, fixed cover is equipped with the gear that is located the recess that corresponds in the pivot, all inlay on the both sides inner wall of second.

Preferably, the outer side of the first circular tube is provided with a circular sliding groove, the annular groove is internally and fixedly connected with two semicircular sliding rails, the two semicircular sliding rails form a complete circular track, and the circular track is in sliding connection with the circular sliding groove.

Preferably, the side wall of the first circular tube is provided with a limiting hole, the outer side of the second circular tube is fixedly connected with a limiting block, and the limiting block is connected with the limiting groove in a sliding manner.

Preferably, the inner side of the inner sleeve of the ear cap is provided with an internal thread, and the internal thread is in threaded connection with the external thread sleeve.

Preferably, the front inner wall and the rear inner wall of the first circular tube are both fixedly connected with bearings, and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding rotating shafts.

Preferably, first round holes are formed in the inner wall of the front side and the inner wall of the rear side of the groove, and the side wall of each first round hole is fixedly connected with the outer side of the corresponding rotating shaft.

Preferably, a second round hole is formed in the front side of the gear, and the side wall of the second round hole is fixedly connected with the outer side of the corresponding rotating shaft.

Preferably, the rectangular channel has all been seted up to the both sides of second pipe, and the front side inner wall and the rear side inner wall of rectangular channel respectively with the front side and the rear side fixed connection of the rack that corresponds.

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

the sound field tuner can form an independent cavity, sound field guide sleeves made of different materials can be adopted according to actual requirements, the inherent resonant frequency of different materials is utilized, the same tone is played by different instruments as if the sound is the same as that of an instrument, the sound is different, namely the tone color is different, the reverberation time and the tone color of the sound can be changed, and therefore the sound is more balanced and pleasant;

when different personnel need to adapt to adjustment, the inner sleeve of the ear cap is rotated in the forward direction to drive the two semicircular slide rails to slide in the circular sliding groove, the inner sleeve of the ear cap can drive the outer thread sleeve to move upwards, the outer thread sleeve drives the two racks to move upwards through the second circular tube, the two racks can drive the two gears to rotate in opposite directions when moving upwards, the gears drive the sound guide adjusting plates to rotate through the corresponding rotating shafts, at the moment, the two sound guide adjusting plates rotate towards directions far away from each other, different symmetrical angles can be formed by changing the two sound guide adjusting plates according to different requirements, the area and the position where sound passes through during sound outputting can be changed, the space through which sound passes can be smaller when the bottoms of the two sound guide adjusting plates are close, and the saw teeth on the sound guide adjusting plates are utilized, resonance can be better formed, and the feeling of a field, otherwise, the opposite is true.

The utility model relates to a rationally, utilize the inherent different resonant frequency of sound field tuning ware of different materials can correct tone and sound field, and can suitably adjust the angle of symmetry of two leading tone adjusting plates according to different personnel's demand error on the basis that changes, realize the reverberation time and the tone quality of further accurate better change sound, make sound more balanced pleasing to the eye.

Drawings

Fig. 1 is a perspective view of a cavity structure of an earphone capable of changing sound field and tone;

fig. 2 is a schematic top perspective view of an earphone housing of an earphone cavity structure capable of changing sound field and timbre according to the present invention;

fig. 3 is a schematic perspective view of a sound field guide sleeve of an earphone cavity structure capable of changing sound field and tone;

fig. 4 is a schematic top perspective view of a sound field guiding sleeve of an earphone cavity structure capable of changing sound field and tone quality according to the present invention;

FIG. 5 is a schematic sectional view of part A of FIG. 1;

fig. 6 is a schematic perspective view of a first circular tube of the earphone cavity structure capable of changing sound field and tone;

fig. 7 is the utility model provides a can change two semicircle ring slide rail stereogram of earphone cavity structures of sound field and tone quality.

In the figure: the sound-guiding earphone comprises an earphone shell 1, a sound field tuner 2, a second cavity 3, a sound hole 4, an ear cap inner sleeve 5, a silica gel ear cap annular buckling groove 6, an annular groove 7, a first circular tube 8, a second circular tube 9, an external thread sleeve 10, a rectangular hole 11, a rotating shaft 12, a rack 13, a sound-guiding adjusting plate 14, a groove 15, a gear 16, a limiting block 17, an annular sliding groove 18, a semicircular sliding rail 19 and an internal thread 20.

Detailed Description

The present invention will be further explained with reference to the following embodiments.

Examples

Referring to fig. 1-7, the present embodiment provides an earphone cavity structure capable of changing a sound field and a sound color, including an earphone housing 1 and an ear cap inner sleeve 5 below the earphone housing 1, the earphone housing 1 is provided with a first cavity and a second cavity 3 communicated with the first cavity, the sound field tuner 2 is placed in the second cavity 3 in a matching manner, the sound field tuner 2 may be made of different materials, such as copper, aluminum, silver, wood, etc., a sound through hole 4 communicated with the sound field tuner 2 is provided on an inner wall of a bottom of the second cavity 3, a silica gel ear cap annular buckle groove 6 is provided on an outer side of the ear cap inner sleeve 5, an annular groove 7 with an opening at a top is provided on a side wall of the ear cap inner sleeve 5, a first circular tube 8 is rotatably installed in the annular groove 7, a top end of the first circular tube 8 extends to a top of the ear cap inner sleeve 5 and is fixedly connected with a bottom, the first round tube 8 is communicated with the sound through hole 4, the second round tube 9 is sleeved in the first round tube 8 in a sliding manner, the bottom end of the second round tube 9 extends into the ear cap inner sleeve 5 and is fixed with an external thread sleeve 10, the ear cap inner sleeve 5 is sleeved on the external thread sleeve 10 in a threaded manner, the front side inner wall and the rear side inner wall of the second round tube 9 are respectively provided with a rectangular hole 11, two rotating shafts 12 are rotatably arranged between the front side inner wall and the rear side inner wall of the first round tube 8, the two rotating shafts 12 are respectively positioned in the two rectangular holes 11, the rotating shafts 12 are fixedly sleeved with a sound guide adjusting plate 14 which is obliquely arranged, the two sound guide adjusting plates 14 are symmetrically arranged, one side of the two sound guide adjusting plates 14 which are mutually close to each other is arranged in a sawtooth shape, the top of the sound guide adjusting plate 14 is provided with a groove 15 of which both sides are provided with openings, a gear 16 which is positioned in the corresponding groove, and rack 13 meshes with the gear 16 that corresponds mutually, the utility model relates to a rationally, utilize the sound field tuning machine 2 of different materials intrinsic different resonant frequency can rectify sound color and sound field, and can suitably adjust two leading tone adjusting plate 14's angle of symmetry according to different personnel's demand error on the basis that changes, realize the reverberation time and the tone quality of further accurate better change sound, make sound more balanced pleasing to the eye.

In this embodiment, a circular sliding groove 18 is formed on the outer side of the first circular tube 8, two semicircular sliding rails 19 are fixedly connected in the annular groove 7, the two semicircular sliding rails 19 form a complete circular rail, the circular rail is slidably connected with the circular sliding groove 18, a limiting hole is formed on the side wall of the first circular tube 8, a limiting block 17 is fixedly connected on the outer side of the second circular tube 9, the limiting block 17 is slidably connected with the limiting groove, an internal thread 20 is formed on the inner side of the ear cap inner sleeve 5, the internal thread 20 is in threaded connection with the external thread sleeve 10, bearings are fixedly connected on the front inner wall and the rear inner wall of the first circular tube 8, the inner ring of each bearing is fixedly sleeved on the outer side of the corresponding rotating shaft 12, first circular holes are formed on the front inner wall and the rear inner wall of the groove 15, the side wall of each first circular hole is fixedly connected with the outer side of the corresponding rotating shaft, and the lateral wall of second round hole and the outside fixed connection of the pivot 12 that corresponds, the rectangular channel has all been seted up to the both sides of second pipe 9, and the front side inner wall and the rear side inner wall of rectangular channel respectively with the front side and the rear side fixed connection of the rack 13 that corresponds, the utility model relates to a rationally, utilize the inherent different resonant frequency of sound field tuning ware 2 of different materials can rectify sound and sound field, and can suitably adjust two leading tone adjusting plate 14's angle of symmetry according to different personnel's demand error on the basis that changes, realize further accurate better reverberation time and the tone quality of change sound, make sound more balanced pleasing to the eye.

In this embodiment, the sound field tuner 2 can form an independent cavity, the sound field tuners 2 made of different materials can be adopted according to actual requirements, the inherent natural resonant frequencies of the different materials are utilized, the same tone is played by different musical instruments, the sounds emitted by the different musical instruments are different, namely, the tone colors are different, the reverberation time and the tone colors of the sounds can be changed, and the principle is that the reverberation time of the sounds is adjusted by changing the shape and the volume inside the earphone shell 1 to achieve the effect of an on-site sound field;

when different personnel adjust the in-ear sound color and the sound field on the basis of actual requirements, the ear cap inner sleeve 5 is rotated forward, the ear cap inner sleeve 5 drives a circular track consisting of two semi-circular slide rails 19 to slide in a circular slide groove 18, under the action of the internal thread 20, the rotation of the ear cap inner sleeve 5 can drive the external thread sleeve 10 to move upwards, the external thread sleeve 10 drives the limiting block 17 to slide in the limiting hole through the second circular tube 9, the second circular tube 9 drives the two racks 13 to move upwards, the two racks 13 can drive the two gears 16 to rotate in opposite directions when moving upwards, the gears 16 drive the sound guide adjusting plates 14 to rotate through the corresponding rotating shafts 12, at the moment, the two sound guide adjusting plates 14 rotate in directions away from each other, at the moment, the angles of the two sound guide adjusting plates 14 change and the distance between the two sound guide adjusting plates 14 also changes, so that the two sound guide adjusting plates 14 can be changed to form different symmetrical angles according to different requirements;

the angle of the sound guide adjusting plate 14 changes, the area and the position of the sound passing through when the sound is output are changed, if the bottoms of the two sound guide adjusting plates 14 are close, the space through which the sound is compressed is small, the inclination angle of the sound guide adjusting plate 14 is relatively small, and then the saw-teeth shape on the sound guide adjusting plate 14 is utilized, resonance can be formed better, the feeling of surrounding shocked field sound field is improved, otherwise, the opposite is realized, so that the reverberation and the timbre of the sound field can be properly adjusted according to the requirements of different people, the popular way is that people speak directly and speak to other people after aligning with mouths through external sleeves with different sizes, and errors exist in the heard timbre and sound field feeling.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can change earphone cavity structures of sound field and tone quality, includes earphone casing (1) and ear cap interior sleeve pipe (5) of earphone casing (1) below, be provided with first cavity and second cavity (3) that are linked together with first cavity on earphone casing (1), sound field tuner (2) have been placed in the matching in second cavity (3), be provided with logical sound hole (4) that are linked together with sound field tuner (2) on the bottom inner wall of second cavity (3), its characterized in that, the outside of ear cap interior sleeve pipe (5) is equipped with silica gel ear cap annular catching groove (6), set up ring channel (7) that the top set up for the opening on the lateral wall of ear cap interior sleeve pipe (5), and ring channel (7) internal rotation installs first pipe (8), the top of first pipe (8) extends to the top of ear cap interior sleeve pipe (5) and with the bottom fixed connection of earphone casing (1), the first round pipe (8) is communicated with the sound through hole (4), a second round pipe (9) is sleeved in the first round pipe (8) in a sliding mode, the bottom end of the second round pipe (9) extends into the ear cap inner sleeve (5) and is fixedly provided with an external thread sleeve (10), the ear cap inner sleeve (5) is sleeved on the external thread sleeve (10) in a threaded mode, rectangular holes (11) are formed in the front side inner wall and the rear side inner wall of the second round pipe (9), two rotating shafts (12) are rotatably installed between the front side inner wall and the rear side inner wall of the first round pipe (8), the two rotating shafts (12) are located in the two rectangular holes (11), sound guide adjusting plates (14) which are obliquely arranged are fixedly sleeved on the rotating shafts (12), the two sound guide adjusting plates (14) are symmetrically arranged, one sides, close to each other, of the two sound guide adjusting plates (14) are arranged in a sawtooth shape, grooves (15) with two sides being arranged in an opening, the rotating shaft (12) is fixedly sleeved with a gear (16) positioned in the corresponding groove (15), racks (13) are embedded on the inner walls of the two sides of the second circular tube (9), and the racks (13) are meshed with the corresponding gears (16).

2. The earphone cavity structure capable of changing the sound field and the timbre according to claim 1, wherein a circular sliding groove (18) is formed in the outer side of the first circular tube (8), two semicircular sliding rails (19) are fixedly connected in the annular groove (7), the two semicircular sliding rails (19) form a complete circular rail, and the circular rail is slidably connected with the circular sliding groove (18).

3. The earphone cavity structure capable of changing the sound field and the tone according to claim 1, wherein a limiting hole is formed in the side wall of the first circular tube (8), a limiting block (17) is fixedly connected to the outer side of the second circular tube (9), and the limiting block (17) is slidably connected with the limiting groove.

4. The earphone cavity structure capable of changing sound field and timbre according to claim 1, wherein the inner side of the inner sleeve (5) of the earcap is provided with an internal thread (20), and the internal thread (20) is in threaded connection with the external thread sleeve (10).

5. The earphone cavity structure capable of changing sound field and timbre according to claim 1, wherein the front inner wall and the rear inner wall of the first circular tube (8) are fixedly connected with bearings, and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding rotating shafts (12).

6. The earphone cavity structure capable of changing sound field and timbre according to claim 1, wherein the front inner wall and the rear inner wall of the groove (15) are both provided with first round holes, and the side walls of the first round holes are fixedly connected with the outer sides of the corresponding rotating shafts (12).

7. The earphone cavity structure capable of changing sound field and timbre according to claim 1, wherein the front side of the gear (16) is provided with a second round hole, and the side wall of the second round hole is fixedly connected with the outer side of the corresponding rotating shaft (12).

8. The earphone cavity structure capable of changing sound field and timbre according to claim 1, wherein the second circular tube (9) is provided with rectangular grooves on both sides, and the front side inner wall and the rear side inner wall of the rectangular groove are respectively and fixedly connected with the front side and the rear side of the corresponding rack (13).