CN212381379U

CN212381379U - Head earphone

Info

Publication number: CN212381379U
Application number: CN202020056097.9U
Authority: CN
Inventors: 吴海全; 辛元发; 余新
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2021-01-19
Anticipated expiration: 2030-01-10

Abstract

The utility model is suitable for a headphone field provides a headphone, include: a headband; the earphone head comprises a loudspeaker and an ear shell used for fixing the loudspeaker, the ear shell comprises an inner shell and an outer shell which are connected in a buckling manner, and the inner shell and the outer shell are enclosed to form an accommodating cavity with an open cavity structure; the adjusting structure comprises a connecting piece and an elastic piece, one end of the connecting piece is connected with the head band, the other end of the connecting piece is inserted into the containing cavity, the elastic piece is arranged on one side, facing the inner shell, of the connecting piece, the adjusting structure further comprises a rack arranged on the inner shell, the rack is provided with a plurality of concave parts which are sequentially arranged from top to bottom, and the elastic piece can be selected to abut against the concave parts. The headset that this embodiment provided can realize the regulation of bandeau and earphone head distance to can maintain the stationarity of distance after adjusting, and simple structure, it is convenient to adjust.

Description

Head earphone

Technical Field

The utility model belongs to the headphone field especially relates to a headphone.

Background

The headset includes two headset heads and a headband connecting the two headset heads. Due to the differences in head size among individuals, existing headphones often have a headband height that is increased appropriately to ensure that the headphone head can reach the ears of the individual. In addition, the distance between the earphone head and the head band is adjusted by arranging the adjusting rod to solve the problems, but the adjusting rod is not attractive in appearance and is easy to slide after being adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a headphone, it aims at realizing the adjustable of distance between earphone head and the bandeau.

The utility model discloses a realize like this:

a headset, comprising:

a headband;

the earphone head comprises a loudspeaker and an earshell used for fixing the loudspeaker, and the earshell is provided with an accommodating cavity with an open cavity structure;

the adjusting structure comprises a connecting piece, an elastic piece and a rack, wherein one end of the connecting piece is rotatably connected with the head band, the other end of the connecting piece is inserted into the accommodating cavity, the elastic piece is arranged on one side, facing the earmuff, of the connecting piece, the rack is arranged on the cavity wall of the accommodating cavity and provided with a plurality of concave parts which are sequentially arranged from top to bottom, and the elastic piece can be selected to abut against the concave parts.

Further, the earmuff comprises an outer shell and an inner shell which are connected in a buckling mode to form the accommodating cavity, and the rack is arranged on the inner shell.

Furthermore, the shell upper end is equipped with the confession the male ring body of connecting piece, the inner shell upper end is equipped with the lug, the tip is equipped with elastic buckle under the shell, the inner shell is in elastic buckle department be equipped with elastic buckle complex draw-in groove, the lug is pegged graft the ring body and buckle joint the draw-in groove will the inner shell block is connected.

Furthermore, the surface of the inner shell facing the outer shell is provided with a plurality of spacing locating parts, and the surface of the outer shell facing the inner shell is provided with a locating groove matched with the locating parts.

Further, the bandeau is including all being the steel band, the connecting band and the laminating pad that split ring structure set up, the steel band with the connecting piece is connected, the steel band can take place the elastic distortion under the effect of external force to elastic recovery when external force cancels, the connecting band with the steel band joint, the connecting band is made by plastic material, and can follow the steel band twists in the lump, the laminating pad is made by flexible material, and its outer ring face connect in the interior anchor ring face of connecting band.

Furthermore, the steel band comprises a base band in an open ring structure and a clamping piece connected with the inner ring surface of the base band, the connecting band is provided with a clamping space matched with the clamping piece, and the clamping piece is arranged in the clamping space to enable the connecting band to be clamped and connected with the steel band.

Furthermore, the clamping piece is in an arc strip shape.

Furthermore, a positioning column is arranged on the surface, facing the steel belt, of the connecting belt, and a positioning hole matched with the positioning column is correspondingly arranged at the position of the positioning column of the steel belt.

Furthermore, the headband also comprises a packaging shell, the packaging shell is made of flexible materials and is arranged along the steel strip, and the packaging shell is connected with the steel strip and coats the attaching pad and the connecting strip.

Further, the packaging shell comprises a coating section with a U-shaped section and two extension sections which are respectively connected with two ends of the coating section, the coating section coats the attaching pad, and the two extension sections are clamped between the steel belt and the connecting belt.

The earmuffs are arranged and used for fixing the loudspeaker and simultaneously participating in the height adjustment of the loudspeaker. The connecting piece can move up and down in the accommodating cavity, but is limited by the elastic sheet and the rack. When the adjustment is needed, the earshell is moved outwards by external force to enable the elastic sheet to be separated from the limit of the concave part (the limit state is changed into a free state), the connecting piece can move up and down relative to the earshell to adjust the distance between the loudspeaker and the head band, after the adjustment is finished, the external force disappears, the elastic sheet supports against the concave part under the action of elastic restoring force (the free state is changed into the limit state), the relative movement of the connecting piece and the inner shell is limited, and therefore the relative fixing of the positions of the head band and the loudspeaker is achieved.

The headset that this embodiment provided can realize the regulation of bandeau and earphone head distance to can maintain the stationarity of distance after adjusting, and simple structure, it is convenient to adjust.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a partially disassembled schematic view of a headphone according to an embodiment of the present invention;

fig. 2 is a schematic view of an inner shell in an embodiment of the invention;

FIG. 3 is a schematic illustration of the headband according to an embodiment of the present invention;

FIG. 4 is a schematic view of another angle of the headband according to the embodiment of the present invention;

fig. 5 is a cut-away view of a headband in an embodiment of the present invention;

fig. 6 is a schematic view of a steel belt in an embodiment of the present invention.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, 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 for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 6, the present embodiment provides a headset including a headband 10, a headset head, and an adjustment structure connecting the headset head and the headband 10. The adjustment structure is used to adjust the distance between the head of the earphone and the head band 10 to meet the requirement of the size difference of the head of the human body.

It will be understood by those skilled in the art that there are two earphone heads and two adjustment structures disposed on the left and right sides of the headband 10, respectively, for adjusting the distance between the two earphone heads and the two ends of the headband 10. The headband 10 has a certain elasticity to fit over the head of a human body from the top down.

The earphone head includes a speaker and an ear shell 20 for fixing the speaker, the ear shell 20 having a receiving cavity of an open cavity structure.

The adjusting structure comprises a connecting piece 31, an elastic piece 32 and a rack 33, one end of the connecting piece 31 is rotatably connected with the belt 10, the other end of the connecting piece 31 is inserted into the accommodating cavity, the elastic piece 32 is arranged on one side of the connecting piece 31 facing the earmuff 20, the rack 33 is arranged on the cavity wall of the accommodating cavity and is provided with a plurality of concave parts which are sequentially arranged from top to bottom, the elastic piece 32 is provided with a limiting state which is used for supporting each concave part and a free state which is separated from the concave parts, and the earmuff 20 moves outwards under the action of external force to enable the elastic piece 32 to be.

The earmuff 20 is provided for fixing the speaker and simultaneously participating in the height adjustment of the speaker. The connecting piece 31 can move up and down in the accommodating cavity, but is limited by the elastic piece 32 and the rack 33. When the adjustment is needed, the earshell 20 is moved outward by an external force to separate the elastic piece 32 from the restriction of the concave part (the limit state is changed into the free state), the connecting piece 31 can move up and down relative to the earshell 20 to realize the adjustment of the distance between the speaker and the headband 10, after the adjustment is finished, the external force disappears, the elastic piece 32 abuts against the concave part under the action of the elastic restoring force (the free state is changed into the limit state), and the relative movement of the connecting piece 31 and the inner shell 21 is restricted, so that the relative fixation of the headband 10 and the speaker is realized. The connecting piece 31 is connected with the headband 10 in a rotating mode to realize the angle adjustability of the headset head relative to the headband 10, so that the attaching degree of the headset head and the ears of a human body when the headset is worn is improved, and the wearing comfort is improved. The person skilled in the art can use the known swivel arrangements to realize a swivel connection of the connecting element 31 to the headband 10, which is not unfolded here.

By the analysis, the headset that this embodiment provided can realize the regulation of bandeau 10 and earphone head distance to can maintain the relative stability of distance after adjusting, and simple structure, it is convenient to adjust.

In this embodiment, the ear shell 20 includes an inner shell 21 and an outer shell 22 that are snap-fit connected to form a receiving cavity, and the rack 33 is disposed on the inner shell 21.

Referring to fig. 1 and 2, an annular body 221 for inserting the connecting member 31 is disposed at an upper end of the outer shell 22, an insertion block 211 is disposed at an upper end of the inner shell 21, an elastic buckle 222 is disposed at a lower end of the outer shell 22, a slot 212 matched with the elastic buckle 222 is disposed at the elastic buckle 222 of the inner shell 21, and the insertion block 211 is inserted into the annular body 221 and is buckled with the slot 212 to connect the inner shell 21. During operation, the insertion block 211 at the upper end of the inner shell 21 is inserted into the ring 221 upwards, and the lower end is pressed towards the outer shell 22, so that the elastic buckle 222 is clamped with the pull groove, and the operation is convenient. In addition, the provision of the ring body 221 ensures certainty of the size of the opening into which the connector 31 is inserted without being affected by the engagement of the two with the inner shell 21, thereby contributing to the compactness of the structure.

In other embodiments, the positions of the locking slot 212 and the elastic latch 222 can be interchanged, that is, the locking slot 212 is disposed on the outer shell 22, and the elastic latch 222 is disposed on the inner shell 21.

The number of the elastic buckles 222 can be set to be one or more than two according to actual needs, and is not limited herein.

In this embodiment, the inner shell 21 has a plurality of spacing positioning members 213 on a surface facing the outer shell 22, and the outer shell 22 has a positioning groove 223 on a surface facing the inner shell 21 and engaged with the positioning members 213. The limiting member 213 is disposed in the limiting groove 223, so that the inner shell 21 and the outer shell 22 have only one degree of freedom in the direction away from each other, and the fastening design is combined to improve the fastening performance of the inner shell 21 and the outer shell 22. In the illustrated structure, the plurality of stoppers 213 are disposed along the edge of the outer surface of the inner casing 21, which is a space for avoiding the speaker, and is also advantageous for further improving the fastening of the speaker to the outer casing 22.

Referring to fig. 3, the headband 10 includes a steel band 11, a connecting band 12 and a joint pad 13, all of which are arranged in an open ring structure, the steel band 11 is connected with a connecting piece 31, the steel band 11 can be elastically twisted under the action of external force, and can be elastically restored when the external force is removed, the connecting band 12 is clamped with the steel band 11, the connecting band 12 is made of plastic material and can be twisted together with the steel band 11, the joint pad 13 is made of flexible material, and the outer ring surface of the joint pad is connected with the inner ring surface of the connecting band 12.

The steel band 11 can be elastically twisted, so that the headset using the headband 10 of the present embodiment can be twisted in any direction, and particularly, two headset heads connected to the headband 10 can be twisted and stacked inward, thereby reducing a required storage space and achieving an effect of convenient carrying. Connecting band 12 is used for laminating fit pad 13 on steel band 11, and fit pad 13 is with head butt when the consumer uses the headphone, and fit pad 13 is made by flexible material to avoid the head to collide steel band 11 directly and damage.

In this embodiment, the steel band 11 is made of SUS stainless steel, and its elasticity of structure can allow the two free ends of the steel band 11, which are naturally placed down to be the open ring, to be straightened outwards under the external force, and to be restored to the original shape after the external force disappears. Of course, the free ends of the steel strip 11 can be allowed to come closer to each other by an external force and return to the original shape after the external force disappears. Meanwhile, the structural elasticity of the steel belt can allow the two free ends of the steel belt 11 to be twisted by ninety degrees under the action of external force and return to the original shape after the external force disappears.

In this embodiment, the connection band 12 is engaged with the steel band 11.

Referring to fig. 4 to 6, the steel band 11 includes a base band 111 with an open-loop structure and an engaging member 112 connected to an inner annular surface of the base band 111, the connecting band 12 has an engaging space matched with the engaging member 112, and the engaging member 112 is disposed in the engaging space to engage and connect the connecting band 12 with the steel band 11.

The engaging members 112 are provided in plural to facilitate a close fit between the steel strip 11 and the connecting strip 12.

Preferably, the engaging member 112 is an arc-shaped strip. The engaging members 112 extend along the extending direction of the base band 111, and two engaging members 112 are spaced back and forth. The connecting belt 12 includes a belt main body 121 and wall plates 122 at the front and rear sides of the connecting belt 12 main body, and each wall plate 122 extends toward the middle to form an engaging space with the belt main body to engage with the engaging piece 112. During installation, the steel belt 11 moves towards the connecting belt 12, so that the two engaging members 112 arranged in front and at the back are respectively arranged in the two engaging spaces to realize the engagement of the connecting belt 12 and the engaging members 112.

In the illustrated structure, the cross sections of the engaging member 112 and the wall plate 122 are both hook structures and are fastened to each other. In other embodiments, the skilled person can set the specific structure and position of the engaging member 112 according to the actual requirement, and the invention is not limited solely thereto.

Referring to fig. 5, the connecting strip 12 is provided with a positioning member 124 on a surface facing the steel strip 11, and the steel strip 11 is correspondingly provided with a positioning hole 113 matched with the positioning member 124.

In this embodiment, the positioning element 124 is disposed at the middle position of the connecting band 12, and when assembling, the positioning element 124 is aligned with the positioning hole 113 to clamp the connecting band 12 with the steel band 11. The matching arrangement of the positioning member 124 and the positioning hole 113 is beneficial to improving the convenience of assembly.

The shape and position of the positioning column can be set according to actual needs by persons in the field.

In the illustrated embodiment, the positioning member 124 is two vertical plates spaced apart from each other in the front-rear direction, and the steel belt 11 is provided with two corner plates, which are enclosed to form positioning holes 113 for receiving the two vertical plates. In other embodiments, the positioning member 124 may also be a column structure.

Referring to fig. 6, the steel band 11 further includes a rib 114 disposed on the inner circumferential surface. The reinforcing rib 114 is connected to the base tape 111 and extends in the extending direction of the base tape 111.

In the illustrated embodiment, two of the ribs 114 are spaced apart from one another.

Referring to fig. 5, the headband 10 further includes a packing case 14, the packing case 14 is made of a flexible material, the packing case 14 is disposed along the steel band 11, and the packing case 14 is connected to the steel band 11 to enclose the attaching pad 13 and the connecting band 12 therein. The package housing 14 is made of a leather material or a fiber material. A wrapper 14 encloses conformable pad 13 and interface tape 12 for protection and aesthetics.

Further, the package case 14 includes a covering section 141 having a U-shaped cross section and two extending sections 142 respectively connected to two ends of the covering section 141, the covering section 141 covers the attaching pad 13, and the two extending sections 142 are sandwiched between the steel strip 11 and the connecting band 12. The length of extension 142 may be increased by those skilled in the art to improve the fastening of package 14 to steel strip 11.

Referring to fig. 4, in an embodiment, the connection band 12 is provided with a plurality of fixing members 123 at an outer circumferential surface thereof and at a position abutting against the package case 14, the package case 14 is correspondingly provided with connection holes 1421 at positions of the fixing members 123, and when the package case 14 is clamped between the steel band 11 and the connection band 12, the fixing members 123 are disposed in the connection holes 1421. During assembly, the attachment pad 13 is attached to the inner side of the connection band 12, and then the connection hole 1421 of the package case 14 is correspondingly sleeved on the fixing member 123, so that the package case 14 is connected with the connection member 31 and covers the attachment pad 13. And then the connecting band 12 sleeved with the packaging shell 14 is clamped with the steel band 11.

Referring to fig. 4 and 6, the packing case 14 is provided with stoppers 143 at left and right ends thereof, respectively, and the steel band 11 has a stopper space 115 engaged with the stoppers 143. The two reinforcing ribs 114 respectively protrude in a direction away from the other reinforcing rib 114 at the limiting block 143, and together enclose a limiting space 115. The matching arrangement of the limiting block 143 and the limiting space 115 is beneficial to the compactness of the structure, and the reinforcing ribs 114 surround to form the limiting space 115, so that the continuity of stress is facilitated.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A headset, comprising:

a headband (10);

the earphone head comprises a loudspeaker and an earshell (20) used for fixing the loudspeaker, wherein the earshell (20) is provided with an accommodating cavity with an open cavity structure;

the adjusting structure comprises a connecting piece (31), an elastic sheet (32) and a rack (33), one end of the connecting piece (31) is rotatably connected with the headband (10), the other end of the connecting piece is inserted into the accommodating cavity, the elastic sheet (32) is arranged on one side, facing the earlap (20), of the connecting piece (31), the rack (33) is connected with the cavity wall of the accommodating cavity, a plurality of concave parts are arranged in sequence from top to bottom, the elastic sheet (32) has a limiting state for selecting to support each concave part and a free state for separating from the concave parts, and the earlap (20) moves outwards under the action of external force to enable the elastic sheet (32) to be changed from the limiting state to the free state.

2. The headphone as claimed in claim 1, characterized in that the ear shell (20) comprises an inner shell (21) and an outer shell (22) which are snap-connected to form the receiving cavity, the rack (33) being provided on the inner shell (21).

3. The headphone as claimed in claim 2, wherein the outer shell (22) is provided at an upper end thereof with a ring (221) for inserting the connecting element (31), the inner shell (21) is provided at an upper end thereof with an insert (211), the outer shell (22) is provided at a lower end thereof with an elastic clip (222), the inner shell (21) is provided at the elastic clip (222) with a slot (212) engaged with the elastic clip (222), the insert (211) is inserted into the ring (221) and the clip engages with the slot (212) to connect the inner shell (21) in a snap-fit manner.

4. The headphone as claimed in claim 2, characterized in that the surface of the inner shell (21) facing the outer shell (22) is provided with a plurality of spaced-apart retaining elements (213), and the surface of the outer shell (22) facing the inner shell (21) is provided with retaining grooves (223) arranged to cooperate with the retaining elements (213).

5. The headset according to any one of claims 1 to 4, wherein the headband (10) comprises a steel band (11), a connecting band (12) and a bonding pad (13), all of which are arranged in an open ring structure, the steel band (11) is connected with the connecting member (31), the steel band (11) can be elastically twisted under the action of external force and elastically restored when the external force is removed, the connecting band (12) is clamped with the steel band (11), the connecting band (12) is made of plastic material and can be twisted together with the steel band (11), the bonding pad (13) is made of flexible material, and the outer ring surface of the bonding pad is connected with the inner ring surface of the connecting band (12).

6. The headphone as claimed in claim 5, wherein the steel band (11) comprises a base band (111) having an open ring structure and a snap (112) connecting an inner ring surface of the base band (111), the connecting band (12) has a snap space matching with the snap (112), and the snap (112) is disposed in the snap space to snap the connecting band (12) and the steel band (11).

7. The headset according to claim 6, wherein the engaging member (112) is a curved strip.

8. The headphone as claimed in claim 6, wherein the connecting band (12) is provided with positioning posts on the surface facing the steel band (11), and the steel band (11) is correspondingly provided with positioning holes (113) at the positioning posts for matching with the positioning posts.

9. The headset according to claim 6, wherein the headband (10) further comprises a packaging (14), the packaging (14) being made of a flexible material, the packaging (14) being arranged along the steel band (11), the packaging (14) connecting the steel band (11) and enclosing the pad (13) and the connecting band (12) therein.

10. The headphone as claimed in claim 9, wherein the package case (14) comprises a covering section (141) having a U-shaped cross section and two extending sections (142) connected to two ends of the covering section (141), respectively, wherein the covering section (141) covers the attaching pad (13), and the two extending sections are sandwiched between the steel band (11) and the connecting band (12).