CN211089931U - Headset adjusting device - Google Patents

Abstract

The utility model discloses a headset adjusting device, which comprises a head beam, wherein telescopic rods are symmetrically arranged at the two sides of the lower end of the head beam, earmuffs are arranged at the lower end of the telescopic rods, a first connecting block is arranged on the inner wall of one end of each earmuff, a first spring is arranged on the first connecting block, a first fixed shaft is arranged on the first connecting block, a second connecting block is arranged on the inner wall of the other end of each earmuff, a second fixed shaft is arranged on the second connecting block, a second connecting block is arranged on the second fixed shaft, an elastic card is arranged on the second connecting block, a protective sleeve is sleeved outside the elastic card, earplugs are arranged at the center of the elastic card, a first fixed seat is arranged inside the head beam, second springs are respectively arranged at the left end and the right end of the first fixed seat, a second fixed seat is arranged at the lower end of the second spring, the earphone is prevented from falling off due to running or other strenuous exercise.

Description

Headset adjusting device

Technical Field

The utility model relates to an adjusting device technical field, concrete field is a headphone adjusting device.

Background

The common structural forms of the earphones are two types, one type is the earphone directly inserted and hung in the external auditory canal, although the earphone of the structural form is small and exquisite, the weight of the earphone is completely born by the external auditory canal, so the external auditory canal can be uncomfortable and easily fall off from the ear after long-term use, in order to solve the problem, a headset worn on the head is designed, when the earphone is used, a head beam is hung on the head, an ear cushion is covered on the ear, the ear canal has no load, the comfort and the listening effect during use are improved, most consumers are used to wearing the earphones to run while listening and running, but the existing headset can fall off when bumping or doing strenuous activities, the earphone can not be stably fixed on the ear, great inconvenience is caused, and aiming at the problems, a headset adjusting device needs to be designed, to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a headphone adjusting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a headset adjusting device comprises a head beam, telescopic rods are symmetrically arranged on two sides of the lower end of the head beam, the lower end of the telescopic rod is provided with an ear shield, the inner wall of one end of the ear shield is provided with a first connecting block, the first connecting block is provided with a first spring, the first connecting block is provided with a first fixed shaft, a second connecting block is arranged on the inner wall of the other end of the ear muff, a second fixed shaft is arranged on the second connecting block, an elastic card is arranged on the second connecting block, a protective sleeve is sleeved outside the elastic card, the center of the elastic card is provided with an earplug, the side wall of the ear shield on the left side is provided with a wire box, the earphone cord is connected to the cord box, a first fixing seat is arranged inside the head beam, second springs are arranged at the left end and the right end of the first fixing seat respectively, and a second fixing seat is arranged at the lower end of each second spring.

Preferably, the ear muff comprises hard rubber and soft rubber, and the soft rubber is adhered to the surface of the second connecting block.

Preferably, the surface cover of earplug is equipped with the nylon wire netting, the edge of nylon wire netting is equipped with the rubber band.

Preferably, a wire is arranged in the wire box, the left end of the wire is connected with the earphone cable, and the right end of the wire is connected with a first spring.

Preferably, the inside of the earmuffs is filled with soundproof cotton.

Preferably, the telescopic link stretches into the inside of head beam, the upper end of telescopic link is equipped with the spacer pin, the surface of spacer pin is equipped with the ball, be equipped with the recess on the inside of head beam, the ball inlays in the inside of recess.

Preferably, the lower end of the inner wall of the head beam is provided with a limiting plate, and the length of the limiting plate is the same as that of the limiting pin.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a thereby headphone adjusting device, thereby changes headphone's length through changing the telescopic link in the inside position of head beam, adapts to the crowd of different head types then. When using, overlap headphone overhead, insert in the earhole with the earplug, put through the earphone cord audio equipment this moment, the elasticity card takes place to deform and detains on listener's auricle, fixes the earphone, prevents that the earphone from taking place to drop when the listener is running or other motions, causes unnecessary trouble.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the ear shield when the power is off;

FIG. 3 is a schematic view of the inner structure of the ear shield when the electric power is applied to the present invention;

FIG. 4 is a schematic view of the internal structure of the middle head beam of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure: 1-head beam, 111-limit plate, 2-telescopic rod, 211-limit pin, 212-ball, 3-ear shield, 311-hard rubber, 312-soft rubber, 4-first connecting block, 5-first spring, 6-first fixed shaft, 7-second connecting block, 8-second fixed shaft, 9-elastic card, 10-protective sleeve, 11-earplug, 12-wire box, 13-earphone wire, 14-first fixed seat, 15-second spring and 16-second fixed seat.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a headset adjusting device comprises a head beam 1, wherein the shell of the head beam 1 is made of hard rubber, when the shape of the head beam 1 is changed, the shell of the head beam 1 is prevented from being broken, the lower end of the head beam 1 is provided with a telescopic rod 2, the telescopic rod 2 is made of hard plastic, the lower end of the telescopic rod 2 is provided with an ear shield 3, one end inner wall of the ear shield 3 is provided with a first connecting block 4, the first connecting block 4 is pasted on the inner wall of the ear shield 3, the first connecting block 4 is provided with a first spring 5, the first connecting block 4 is provided with a first fixing shaft 6, the inner wall of the other end of the ear shield 3 is provided with a second connecting block 7, the second connecting block 7 is provided with a second fixing shaft 8, the first fixing shaft 6 and the second fixing shaft 8 are arranged inside the first spring 5, the second connecting block 7 is provided with an elastic clamping piece 9, and the second connecting block 7 is used for fixing the second fixing shaft 8, on the other hand, the movable direction of the elastic card 9 is changed, when the first spring 6 is electrified, the first spring 6 is equivalent to an electrified spiral tube, each circle of spring is equivalent to annular current, the direction of the current in each circle of spring is the same, and according to mutual attraction between currents in the same direction, each circle of spring is mutually attracted with an adjacent spring, so that the whole first spring 6 can contract, the first spring 6 drives the second connecting block 7 to move to one side of the first connecting block 4, the second connecting block 7 is connected with the elastic card 9, so that the center of the elastic card 9 is dragged to move to one side of the first connecting block 4, the bending direction of the center of the elastic card 9 is changed after being stressed, the protective sleeve 10 is sleeved outside the elastic card 9, cotton is filled between the protective sleeve 10 and the elastic card 9, and the damage to ears of a listener when the bending direction of the elastic card 9 is changed is avoided, the center department of elasticity card 9 is equipped with earplug 11, and when elasticity card 9 detained on listener's auricle, earplug 11 removed to one side of first connecting block 4, avoids earplug 11 to stretch into inside too dark eardrum to cause the damage to listener of ear, the surface of ear muff 3 is equipped with wire box 12, wire box 12's surface is connected with earphone cord 13, inserts audio equipment with earphone cord 13 after, to the earphone through-current, the inside of nose bridge 1 is equipped with first fixing base 14, both ends are equipped with second spring 15 respectively about first fixing base 14, the lower extreme of second spring 15 is equipped with second fixing base 16, when adjusting nose bridge 1, avoids nose bridge 1 to take place the rupture through second spring 15, makes the headphone have higher motivity and toughness, increases the life of headphone.

Specifically, the ear muff 3 comprises a hard rubber 311 and a soft rubber 312, the soft rubber 312 is adhered to the surface of the second connecting block 7, when the earphone is powered on, the first spring 5 drives the second connecting block 7 to move to one side of the first connecting block 4, and the position of the first connecting block 4 is not changed because the first connecting block 4 is fixed on the hard rubber 311.

Particularly, the surface cover of earplug 11 is equipped with the nylon wire netting, the edge of nylon wire netting is equipped with the rubber band, establishes the nylon wire netting through the cover, can prevent that the eardust in the listener ear from entering into in earplug 11, increases earplug 11's life to through set up the rubber band on the nylon wire netting, can make things convenient for the dismantlement and the washing of nylon wire netting, make things convenient for listener's use.

Particularly, be equipped with the wire in the wire box 12, the one end of wire is connected with earphone cord 13, the other end of wire is connected with first spring 5, and after audio equipment was inserted to the lower extreme of earphone cord 13, the electric energy passed through earphone cord 13 and transmitted first spring 5 on, first spring 5 took place deformation after the circular telegram to make the direction of elasticity card 9 change.

Particularly, the inside packing of ear muff 3 has soundproof cotton, and when the device was used, soundproof cotton can effectual isolated external noise get into ear muff 3's inside, made the listener have better auditory effect in using.

Specifically, telescopic link 2 stretches into the inside of head beam 1, the upper end of telescopic link 2 is equipped with spacer pin 211, can prevent telescopic link 2 landing from head beam 1 through setting up spacer pin 211, the surface of spacer pin 211 is equipped with ball 212, be equipped with the recess on the inside of head beam 1, ball 212 inlays the inside of recess, through the cooperation between ball 212 and the recess, can fix the position of telescopic link 2.

Specifically, the lower end of the inner wall of the head beam 1 is provided with a limiting plate 111, the length of the limiting plate 111 is the same as that of the limiting pin 211, and the limiting plate 111 is used for limiting the movement of the limiting pin 211 and preventing the limiting pin 211 from sliding off from the interior of the head beam 1.

The working principle is as follows: the utility model relates to a headset adjusting device, when in use, a head beam 1 is placed on the top of the head, a telescopic rod 2 is moved, the telescopic rod 2 slides on the inner wall of the head beam 1, after a proper distance is adjusted, earplugs 11 on earmuffs 3 are inserted into the earplugs, at the moment, an earphone wire 13 is inserted into audio equipment, the earphone wire 13 is electrified, the earphone wire 13 transmits electric energy to a first spring 5 through a lead, the first spring 5 is equivalently changed into an electrified spiral pipe after the electrification, at the moment, the first spring 5 contracts and deforms, the first spring 5 drives a second connecting block 7 to move to one side of the first connecting block 4, the second connecting block 7 drives an elastic card 9 to move to one side of the first connecting block 4, the bending direction of the elastic card 9 is changed due to the stress at the center, the direction of the elastic card is the opposite direction of the original direction, at the moment, the elastic card 9 is buckled on the auricle of a listener, the auricle is further fixed, at the moment, due to the change of the elastic clamping piece 9, the earplug 11 moves towards the side of the first connecting block 4, the earplug 11 is prevented from extending into the earhole too deeply to cause damage to the eardrum, after the earphone cord 13 is pulled out, the first spring 5 loses current, due to the reset function of the first spring 5, the first spring 5 can enable the second connecting block 7 to move towards one side far away from the first connecting block 4, the second connecting block 7 drives the elastic clamping piece 9 to move towards one side far away from the first connecting block 4, the bending direction of the elastic clamping piece 9 is changed again after being stressed, and the elastic clamping piece 9 is separated from the auricle of a listener.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A headphone adjustment device, includes head beam (1), its characterized in that: the lower end bilateral symmetry of the head beam (1) is provided with a telescopic rod (2), the lower end of the telescopic rod (2) is provided with an earmuff (3), one end inner wall of the earmuff (3) is provided with a first connecting block (4), the first connecting block (4) is provided with a first spring (5), the first connecting block (4) is provided with a first fixed shaft (6), the inner wall of the other end of the earmuff (3) is provided with a second connecting block (7), the second connecting block (7) is provided with a second fixed shaft (8), the second connecting block (7) is provided with an elastic card (9), the outer part of the elastic card (9) is sleeved with a protective sleeve (10), the center of the elastic card (9) is provided with an earplug (11), the left side of the center of the earmuff (3) is provided with a wire box (12), the wire box (12) is connected, the inside of nose beam (1) is equipped with first fixing base (14), both ends are equipped with second spring (15) respectively about first fixing base (14), the lower extreme of second spring (15) is equipped with second fixing base (16).

2. A headphone set adjustment apparatus as claimed in claim 1, wherein: the earmuff (3) comprises hard rubber (311) and soft rubber (312), and the soft rubber (312) is pasted on the surface of the second connecting block (7).

3. A headphone set adjustment apparatus as claimed in claim 1, wherein: the surface cover of earplug (11) is equipped with the nylon wire netting, the edge of nylon wire netting is equipped with the rubber band.

4. A headphone set adjustment apparatus as claimed in claim 1, wherein: the earphone cable is characterized in that a wire is arranged in the wire box (12), the left end of the wire is connected with the earphone cable (13), and the right end of the wire is connected with a first spring (5).

5. A headphone set adjustment apparatus as claimed in claim 1, wherein: the interior of the ear muffs (3) is filled with soundproof cotton.

6. A headphone set adjustment apparatus as claimed in claim 1, wherein: the telescopic rod (2) stretches into the inside of head beam (1), the upper end of telescopic rod (2) is equipped with spacer pin (211), the surface of spacer pin (211) is equipped with ball (212), be equipped with the recess on the inside of head beam (1), ball (212) inlay the inside of recess.

7. A headphone set adjustment means as claimed in claim 6, wherein: the lower end of the inner wall of the head beam (1) is provided with a limiting plate (111), and the length of the limiting plate (111) is the same as that of the limiting pin (211).

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