CN217283281U

CN217283281U - Size-adjustable earphone head band

Info

Publication number: CN217283281U
Application number: CN202123427794.4U
Authority: CN
Inventors: 孙学栋; 郑蚬翔; 马春兵
Original assignee: Dongguan Xinxieliang Precision Technology Co ltd
Current assignee: Dongguan Xinxieliang Precision Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to an earphone technical field specifically is an earphone bandeau with adjustable size, including the bandeau, the inboard position that just is located both ends of bandeau is equipped with the flexible arm lid of symmetric distribution, and equal sliding connection has flexible arm in two flexible arm lids, and flexible arm has seted up the regulation spout near one side of bandeau, and the front side of adjusting the spout inner wall is equipped with the rack, and the concave surface of flexible arm and the position that is close to the bottom are equipped with fixed lug, and one side swing joint that flexible arm was kept away from to fixed lug has the axis of rotation, and the outer wall of axis of rotation is equipped with adjusting gear. The size-adjustable headband of the earphone can adjust the whole size of the headband of the earphone through the sliding connection of the two telescopic arms and the headband, so as to adapt to different users; through the rack toothing transmission in the epaxial adjusting gear that rotates and the flexible arm, can realize the position control of flexible arm and bandeau, this regulative mode can not produce great wearing and tearing to have fine stability after adjusting, improve user's use and experience.

Description

Size-adjustable earphone head band

Technical Field

The utility model relates to an earphone technical field specifically is an earphone bandeau with adjustable size.

Background

The headset, as the name implies, just wear on the head, not insert in the duct, be different from a class of earphone of in-ear earplug, headset includes the bandeau and embeds there is the ear muff of speaker and corresponding audio circuit to constitute, and the side of ear muff is provided with the ear pad, hangs the bandeau overhead during the use, and the ear muff covers on the ear.

Because the headset is fixed on the head through the headband, the sizes of the heads of different users are different, in order to improve the universality of the headset, the headband needs to be adjustable to adapt to different users, the existing headband adjusting structure mostly uses clamping positioning, if the adjustment is frequently carried out, the internal adjusting mechanism is abraded, so that the connection between the headband and the earmuffs is unstable, and the normal use of the users is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone bandeau with adjustable size to propose among the above-mentioned background art that current bandeau is adjusted the structure and is used the joint location more, if often adjust the case, will lead to inside adjustment mechanism wearing and tearing, thereby lead to the junction of bandeau and ear muff unstable, influence the problem of user normal use.

In order to achieve the above object, the utility model provides a following technical scheme:

a size-adjustable headset headband comprises a headband body, telescopic arm covers which are symmetrically distributed are arranged on the inner side of the headband body and are positioned at two ends, telescopic arms are connected in the two telescopic arm covers in a sliding manner, one side of the telescopic arm close to the headband is provided with an adjusting chute, the front side of the inner wall of the adjusting chute is provided with a rack, one side of the telescopic arm close to the telescopic arm cover is provided with a positioning chute, the concave surface of the telescopic arm and the position close to the bottom are provided with a fixed lug, the fixed lug is provided with a mounting groove at the middle part and at one side far away from the telescopic arm, a rubber ring is arranged in the mounting groove, the rubber ring is internally and movably connected with a rotating shaft, the outer wall of the rotating shaft is provided with an adjusting gear, the adjusting gear is meshed with the rack for transmission, and one end of the rotating shaft, which is far away from the fixed lug, penetrates through the inner side of the head band and is connected with a knob.

Preferably, the top of the inner side of the headband is provided with a cushion.

Preferably, the telescopic arm is slidably connected between the telescopic arm cover and the headband.

Preferably, the fixed lug is located the location spout, flexible arm and fixed lug sliding connection.

Preferably, the bottom of flexible arm is equipped with the leg joint piece.

Preferably, a plurality of positioning grooves arranged in an annular array are formed in the inner wall of the mounting groove, a plurality of positioning lugs arranged in an annular array are arranged on the outer wall of the rubber ring, and the plurality of positioning lugs are respectively positioned in the plurality of positioning grooves.

Preferably, a plurality of arc-shaped grooves arranged in an annular array are formed in the inner wall of the rubber ring, a cylindrical positioning block is arranged at the right end of the rotating shaft and movably inserted into the rubber ring, a plurality of arc-shaped convex blocks arranged in an annular array are arranged on the outer wall of the cylindrical positioning block, and the shape and the size of each arc-shaped convex block are matched with those of each arc-shaped groove.

Preferably, the tooth width of the adjusting gear is smaller than the depth of the adjusting chute.

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

the size-adjustable headset headband can adjust the overall size of the headset headband through the sliding connection of the two telescopic arms and the headband, so that the headset headband can adapt to different users; through the rack toothing transmission in epaxial adjusting gear of rotation and the flexible arm, can realize the position control of flexible arm and bandeau, this mode of regulation can not produce great wearing and tearing to have fine stability after adjusting, improve user's use and experience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a second partial schematic structural view of the present invention;

fig. 4 is a third schematic view of a part of the structure of the present invention;

fig. 5 is a schematic view of the structure of the rotating shaft of the present invention;

fig. 6 is a schematic view of an assembly structure of the fixing bump and the rubber ring of the present invention;

fig. 7 is a schematic view of the telescopic boom of the present invention.

In the figure: the headband comprises a headband 1, a cushion 10, a telescopic arm cover 2, a telescopic arm 3, an adjusting chute 30, a positioning chute 31, a bracket connecting block 32, a fixing lug 4, a mounting groove 40, a positioning groove 400, a rotating shaft 5, a knob 50, an adjusting gear 51, a cylindrical positioning block 52, an arc-shaped lug 520, a rubber ring 6, an arc-shaped groove 60, a positioning lug 61 and a rack 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

Referring to fig. 1-7, the present invention provides a technical solution:

a size-adjustable earphone head band comprises a head band 1, wherein telescopic arm covers 2 which are symmetrically distributed are arranged on the inner side of the head band 1 and at two ends, telescopic arms 3 are connected in the two telescopic arm covers 2 in a sliding manner, the whole size of the earphone head band 1 can be adjusted through the sliding connection of the two telescopic arms 3 and the head band 1, so that the earphone head band can adapt to different users, an adjusting chute 30 is formed in one side, close to the head band 1, of each telescopic arm 3, a rack 7 is arranged on the front side of the inner wall of the adjusting chute 30, a positioning chute 31 is formed in one side, close to the telescopic arm cover 2, of each telescopic arm 3, each telescopic arm 3 can be prevented from being blocked by a fixing lug 4 when moving, the fixing lug 4 is arranged on a concave surface of each telescopic arm 3 and at a position close to the bottom of each telescopic arm 3, the inner end of a rotating shaft 5 is mainly used for positioning, each fixing lug 4 is arranged on one side, far away from the telescopic arms 3 and at the middle of each telescopic arm and is provided with a mounting groove 40, be equipped with rubber circle 6 in the mounting groove 40, the rubber material can increase frictional force, be favorable to the stability of axis of rotation 5, swing joint has axis of rotation 5 in the rubber circle 6, the outer wall of axis of rotation 5 is equipped with adjusting gear 51, adjusting gear 51 and the transmission of 7 meshing of rack, come the flexible arm 3 removal of drive through rotatory axis of rotation 5, the inboard of bandeau 1 and be connected with knob 50 is passed to the one end that fixed lug 4 was kept away from to axis of rotation 5, the rotatory axis of rotation 5 of convenient to use person.

In this embodiment, the top of the inner side of the headband 1 is provided with a soft pad 10, which contacts with the top of the head of the user to improve the comfort.

Specifically, flexible arm 3 sliding connection carries on spacingly to the position of flexible arm 3 between flexible arm lid 2 and bandeau 1, makes flexible arm 3 can stable regulation, can not take place to rock.

Furthermore, the fixing projection 4 is located in the positioning sliding groove 31, and the telescopic arm 3 is slidably connected with the fixing projection 4, so that the telescopic arm 3 can be smoothly adjusted in a sliding manner, and the telescopic arm 3 is prevented from slipping off from the position between the telescopic arm cover 2 and the headband 1.

Further, the bottom of flexible arm 3 is equipped with leg joint piece 32 for connect the ear muff.

Further, a plurality of positioning groove 400 arranged with the annular array are seted up to the inner wall of mounting groove 40, and the outer wall of rubber circle 6 is equipped with a plurality of positioning convex block 61 arranged with the annular array, and a plurality of positioning convex block 61 are located a plurality of positioning groove 400 respectively, are favorable to rubber circle 6 fixed.

Further, a plurality of arc grooves 60 arranged in an annular array are formed in the inner wall of the rubber ring 6, a cylindrical positioning block 52 is arranged at the right end of the rotating shaft 5, the cylindrical positioning block 52 is movably inserted into the rubber ring 6, a plurality of arc bumps 520 arranged in an annular array are arranged on the outer wall of the cylindrical positioning block 52, the shape size of the arc bumps 520 is matched with that of the arc grooves 60, the number of the arc bumps 520 is 40-60, so that the cylindrical positioning block 52 can be almost inserted into the rubber ring 6 at any position, and the fixing of the position of the rotating shaft 5 is facilitated.

Further, the tooth width of the adjusting gear 51 is smaller than the depth of the adjusting sliding groove 30, so that the rotating shaft 5 can be pulled outwards, and when the telescopic arm 3 is adjusted, the rotating shaft 5 needs to be pulled outwards for a certain distance, so that the cylindrical positioning block 52 is moved out of the rubber ring 6, and then the rotating shaft 5 can be rotated.

The adjustable size earphone headband of this embodiment is when using, when the user need adjust the whole size of headband 1, the user is with two knobs 50 all outwards spurs, make the cylindricality locating piece 52 on two axis of rotation 5 shift out from two rubber circles 6 respectively, then just can rotate knob 50, drive axis of rotation 5 rotates, thereby make adjusting gear 51 promote rack 7 and remove, realize flexible arm 3's regulation, thereby make this headband 1 can adapt to different users, treat to adjust the completion after, the user resets two knobs 50 and presses, thereby make the cylindricality locating piece 52 on two axis of rotation 5 insert respectively in two rubber circles 6, fix the position of two axis of rotation 5, and then fix the position of two flexible arms 3.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A size adjustable headband for earphones, comprising: comprises a head band (1), wherein symmetrically distributed telescopic arm covers (2) are arranged at the positions, located at two ends, of the inner side of the head band (1), two telescopic arms (3) are connected in the telescopic arm covers (2) in a sliding manner, one side, close to the head band (1), of each telescopic arm (3) is provided with an adjusting sliding chute (30), the front side of the inner wall of each adjusting sliding chute (30) is provided with a rack (7), one side, close to the telescopic arm covers (2), of each telescopic arm (3) is provided with a positioning sliding chute (31), the concave surface of each telescopic arm (3) is provided with a fixing lug (4) at the position, close to the bottom, of each concave surface, the fixing lug (4) is provided with a mounting groove (40) at the position, located at the middle part, of one side, far away from the telescopic arms (3), of each fixing lug (4) is provided with a rubber ring (6), a rotating shaft (5) is movably connected in the rubber ring (6), an adjusting gear (51) is arranged on the outer wall of the rotating shaft (5), the adjusting gear (51) is in meshed transmission with the rack (7), and one end, far away from the fixed lug (4), of the rotating shaft (5) penetrates through the inner side of the headband (1) and is connected with a knob (50).

2. The size adjustable headset headband of claim 1, wherein: the top of the inner side of the headband (1) is provided with a soft cushion (10).

3. The size adjustable headphone headband of claim 1, wherein: the telescopic arm (3) is connected between the telescopic arm cover (2) and the head band (1) in a sliding mode.

4. The size adjustable headphone headband of claim 1, wherein: the fixed protruding block (4) is located in the positioning sliding groove (31), and the telescopic arm (3) is connected with the fixed protruding block (4) in a sliding mode.

5. The size adjustable headphone headband of claim 1, wherein: the bottom of flexible arm (3) is equipped with leg joint piece (32).

6. The size adjustable headphone headband of claim 1, wherein: the inner wall of mounting groove (40) is seted up a plurality of positioning groove (400) of arranging with annular array, the outer wall of rubber circle (6) is equipped with a plurality of positioning lug (61) of arranging with annular array, and is a plurality of positioning lug (61) are located a plurality ofly respectively positioning groove (400).

7. The size adjustable headphone headband of claim 1, wherein: the rubber ring is characterized in that a plurality of arc-shaped grooves (60) arranged in an annular array are formed in the inner wall of the rubber ring (6), a cylindrical positioning block (52) is arranged at the right end of the rotating shaft (5), the cylindrical positioning block (52) is movably inserted into the rubber ring (6), a plurality of arc-shaped convex blocks (520) arranged in an annular array are arranged on the outer wall of the cylindrical positioning block (52), and the shape and the size of each arc-shaped convex block (520) are matched with the shape and the size of each arc-shaped groove (60).

8. The size adjustable headset headband of claim 1, wherein: the tooth width of the adjusting gear (51) is smaller than the depth of the adjusting chute (30).