JPH0718228Y2 - Headphones with microphone - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a headphone with a microphone, and more specifically, a microphone having a microphone attached to the tip thereof and the length and angle of which can be adjusted with respect to the headphone. Boom support mechanism.

[Conventional technology]

Conventionally, various types of headphones with a microphone have been provided, in which a microphone boom is pivotally and slidably attached to one end of a headphone band that is stretched around the user's head, and the microphone can be adjusted so that the microphone is located at the mouth of the user. ing. An example of such a headphone with a microphone will be specifically described with reference to FIG. 5. The headphone main body 2 can be angle-adjusted at both ends of a headband 1 configured to elastically grip the user's head. Installed on.
Reference numeral 3 denotes a hollow microphone boom having a microphone 4 attached to one end thereof, and the other end side thereof is slidably and rotatably attached to an attachment member 5 provided on the back surface of one headphone main body 2. The connection cord 6 of the microphone 4 passes through the microphone boom 3 and is inserted into the headband 1 from the other end side. A connection cord of one headphone body 2 is also inserted into the headband 1, and is pulled out from the other end side of the headband 1 together with a connection cord of the other headphone body 2 (both not shown), and three connections are made. The cords are integrally covered to form one connection cord 7 which is connected to an external device (not shown).

The microphone boom 3 is attached to the headphone main body 2 by attaching a cylindrical boss 8 to the attachment member 5 at substantially the center thereof.
An insertion hole 9 is formed on the outer peripheral surface of the boss 8 in the diameter direction, the inner diameter of which is approximately equal to the outer diameter of the microphone boom 3, and from the upper end of the boss 8 to the inside thereof, a diameter substantially equal to the outer diameter of the microphone boom 3. A free ball (not shown) having a through hole is inserted, and a screw 10 is screwed from the upper end of the boss 8 so as to press the free ball. Therefore, if the screw 10 is loosened, the microphone boom 3 can move in the direction indicated by the arrow A through the through hole of the universal ball, the distance from the headphone body 2 to the microphone 4 can be set arbitrarily, and the microphone boom 3 can be set.
Is rotated at an arbitrary angle (in the direction of arrow B) about the axis, and the screw 10 is loosened again at a desired position, the position is fixed.

[Problems to be solved by the device]

The above-mentioned method has a drawback that it takes time and effort to operate the screw 10 to fix the microphone 4. Furthermore,
Even if the length from the ear to the mouth can be set, the angle from the ear to the mouth is different for each person, and it is necessary to rotate in the direction indicated by the arrow C. For that purpose, a separate mechanism for rotating and fixing the mounting member 5 or the boss 8 is required, which has a disadvantage that the structure is complicated, the number of parts is large, and the cost is high.

Therefore, a first object of the present invention is to provide a headphone with a microphone in which the microphone boom can be set to an arbitrary length and angle with a simple structure and the direction of the microphone can be freely adjusted.

A second object of the present invention is to provide a headphone with a microphone in which the length and angle of the microphone boom can be arbitrarily adjusted, and particularly the headphone body is prevented from rotating in accordance with the angle adjustment. is there.

[Means for Solving the Problems]

In order to achieve the above first object, the present invention relates to a headphone with a microphone in which a microphone boom having a microphone attached to one end thereof is attached to a headphone body so that its length and angle can be adjusted. A recess having a predetermined diameter and an insertion hole that is smaller in diameter than the recess and is concentrically formed with respect to the recess, an elastic washer arranged in the recess, and the insertion hole. A holder made of an elastic synthetic resin rotatably held in the holder, and the holder engages with a knob portion fitted in the recess through the washer, and a tip end thereof engages with an edge of the insertion hole. A cylindrical portion that has a hook-shaped portion and is coaxially and integrally connected to the knob portion, and the width of the cylindrical portion from the end surface of the hook-shaped portion to the inside of the knob portion is the microphone boom. Narrower than the outer diameter of An axial groove is formed, and the holder is rotatably locked in the insertion hole via the cylindrical portion and the hook-shaped portion in a state where the microphone boom is inserted into the axial groove. It has a feature.

Further, in order to achieve the above-mentioned second object, the present invention relates to a headphone with a microphone in which a microphone boom having a microphone attached to one end thereof is attached to a headphone body so that its length and angle can be adjusted. A support member disposed on the support member, a recess having a predetermined diameter formed in the support member, an insertion hole having a diameter smaller than the recess and concentric with the recess, and the inside of the recess. A washer having elasticity, a holder made of an elastic synthetic resin rotatably held in the insertion hole, and a support shaft having a spherical body at the tip standing on the rear surface of the headphone body, The holder has a knob portion fitted and arranged in the recess via the washer, and a hook-shaped portion that engages with an end edge of the insertion hole at a tip, and is integrally coaxial with the knob portion. Connected to An axial groove whose width from the end face of the hook-shaped portion to the inside of the knob portion is narrower than the outer diameter of the microphone boom is formed in the cylindrical portion. A holding groove for rotatably holding the spherical body is formed at the lower end, and the holder is inserted through the cylindrical portion and the hook-shaped portion with the microphone boom inserted into the axial groove. The headphone body is rotatably locked in the insertion hole of the support member, and is rotatably held in the holding groove via the spherical body.

〔Example〕

Hereinafter, the present invention will be described with reference to the embodiments shown in the drawings.
The same members as those in the above-mentioned conventional example are designated by the same reference numerals,
Detailed description thereof will be omitted. In addition, the same components are denoted by the same reference numerals throughout the embodiments.

First, the first embodiment of the present invention shown in FIGS. 1 and 2 will be described.
A recess 12 and an insertion hole 13 having a diameter smaller than that of the recess 12 are formed substantially at the center of the recess 12. In the recess 12, this recess 12
A ring-shaped wave washer 14 having an outer diameter slightly smaller than the inner diameter is inserted. Insert hole from opening of wave washer 14
13 is a holder made of synthetic resin, such as polyacetal (POM), which has a high surface hardness, a low coefficient of friction, good temperature characteristics, which is an element that causes sagging, and moderate elasticity.
Is inserted.

The holder 15 has a knob portion 16 having an outer diameter slightly smaller than the inner diameter of the recess 12, and a cylindrical portion 17 extending coaxially below the knob portion 16 and having an outer diameter slightly smaller than the insertion hole 13. When,
It extends coaxially below the cylindrical portion 17 and has a hook-shaped portion 18 whose outer diameter is slightly larger than the insertion hole 13.
The hook-shaped part (18) is formed of an inclined surface that narrows downward, and the step part between the lower end of the cylindrical part (17) and the upper end of the hook-shaped part (18) engages with the back surface of the rear surface part (11). A substantially horizontal lateral groove 19 is formed in the knob portion 16, and the groove 19 communicates with a vertical groove 21 that extends substantially vertically from the cylindrical portion 17 to the lower end of the hook-shaped portion 18. The groove widths of the horizontal groove 19 and the vertical groove 21 are configured to be slightly smaller than the diameter of the microphone boom 3.

The microphone boom 3 is inserted so as to be press-fitted from the lower end of the vertical groove 21 opening at the lower end of the hook-shaped portion 18, and is inserted at the intersection of the horizontal groove 19 and the vertical groove 21 as shown in FIG. By this insertion, the cylindrical portion 17 and the hook-shaped portion 18 which face each other with the vertical groove 21 as a boundary are expanded outward, but when the hook-shaped portion 18 is inserted into the insertion hole 13, the cylindrical portion 17 and the hook-shaped portion 18 are separated from each other. Pushed back by the insertion, the microphone boom 3 is always the knob 16, hook 18 and cylinder.
It is held securely by the springiness caused by the elasticity of 17. Since the holder 15 is inserted into the insertion hole 13 via the wave washer 14, an upward force is always applied by the wave washer 14, but since the lower end of the insertion hole 13 is engaged by the hook-shaped portion 18, the holder 15 does not come out. It never rises. The wave washer 14 also elastically fixes the rotation of the holder 15.

In this way, the microphone boom 3 is always applied with an elastic gripping force by the holder 15, and by applying a force that overcomes this gripping force, the microphone boom 3 is arbitrarily moved or rotated in the directions of arrows A and B in FIG. If the holder 15 is rotated against the elasticity of the wave washer 14, it can be rotated in the direction of the arrow C in FIG. 5, so that the microphone 4 can be positioned at a desired position. be able to. Although the lateral groove 19 is provided in the first embodiment, this lateral groove 19
19 is not always necessary, and may be provided when further springiness is expected. Further, when the rotation in the direction of the arrow B in FIG. 5 is not required, the microphone boom 3 is not limited to the round pipe but may be a square pipe.

A second embodiment of the present invention shown in FIGS. 3 and 4 will be described below. In this embodiment, the headphone body 2 is rotatably supported by the lower end of the hook-shaped portion 18 of the holder 15. Is configured. That is, in this embodiment, the support member 31 arranged on the rear surface side of the headphone body 2 is used. The support member 31 is a disc body having an outer diameter substantially equal to the outer diameter of the headphone body 2, and the recess 12 and the insertion hole 13 are formed in the central portion thereof. Support member
A fitting groove 32 is integrally formed on the outer peripheral side of the lower surface of 31. On the end face of the hook-shaped portion 18 of the holder 15, a diameter-increasing groove 33 having a diameter slightly larger than that of the vertical groove 21 and being undercut is formed. A support base 34 having a truncated cone shape is integrally formed on the rear surface of the headphone main body 2, and a holding shaft 36 protruding upward from the center portion thereof and having a spherical body 35 at the tip thereof is integrally formed. On the rear surface of the headphone body 2, a locking shaft 37 whose tip fits in the fitting groove 32 is also integrally formed.

Therefore, the headphone body 2 is rotatably held in the hook-shaped portion 18 of the holder 15 by press-fitting the spherical body 35 from the undercut expanded groove 33, and the locking shaft 37 is fitted in the fitting groove 32. The microphone boom 3 to the 5th
It is possible to prevent the headphone main body 2 from rotating at the same time when rotating in the direction of arrow C in the figure. In the second embodiment, the lateral groove 19 may be provided in the knob portion 16 of the holder 15 as in the first embodiment.

[Effect of device]

As described above, according to the invention of claim 1,
The holder inserted in the headphone body is provided with an axial groove,
By inserting the holder into the headphone body after inserting the microphone boom into this groove, the spring property of the holder is used to hold the microphone boom. It is possible to set the desired length and angle, and the direction of the microphone. Therefore, even in a small and lightweight headphone, the microphone can be attached without impairing its function.

According to the second aspect of the invention, the holder holding the microphone boom is rotatably held by the support member, and the headphone main body is rotatably held by the lower end portion of the holder via a so-called ball bearing. Therefore, when the angle of the microphone boom is adjusted, it is possible to prevent the headphone main body from rotating with it.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an essential part of a first embodiment of the present invention, FIG. 2 is a longitudinal sectional view showing an attachment part thereof, and FIG. 3 is an essential part of a second embodiment of the present invention. FIG. 4 is an exploded perspective view, FIG. 4 is a vertical cross-sectional view showing the mounting portion, and FIG.
FIG. 1 is a perspective view showing an example of conventional headphones with a microphone. In the drawings, 2 is a headphone body, 3 is a microphone boom, 4 is a microphone, 11 is a rear surface part, 12 is a recess, 13 is an insertion hole, 14 is a wave washer, 15 is a holder, 16 is a knob part, 17
Is a cylindrical portion, 18 is a hook-shaped portion, 19 is a horizontal groove, 21 is a vertical groove, 31 is a supporting member, 32 is a fitting groove, 33 is a diameter-increasing groove, 34 is a support base, 35 is a spherical body, and 36 is a holding shaft. , 37 are locking shafts.

Claims (2)

[Scope of utility model registration request] 1. A headphone with a microphone, wherein a microphone boom having a microphone attached to one end thereof is attached to a headphone body such that the length and angle of the microphone boom can be adjusted, and a recess having a predetermined diameter formed on the rear surface side of the headphone body and the recess. An insertion hole having a diameter smaller than that of the recess and formed concentrically with the recess, an elastic washer arranged in the recess, and an elastic composite rotatably held in the insertion hole. The holder includes a resin holder, and the holder has a knob portion fitted and arranged in the recess through the washer, and a hook-shaped portion that engages with an end edge of the insertion hole at a tip thereof. A cylindrical portion that is coaxially and continuously provided to the portion,
The cylindrical portion is formed with an axial groove whose width from the end face of the hook-shaped portion to the inside of the knob portion is narrower than the outer diameter of the microphone boom, and the holder holds the microphone boom in the axial groove. A headphone with a microphone, wherein the headphone with a microphone is rotatably locked to the insertion hole through the cylindrical portion and the hook-shaped portion in a state of being inserted. 2. A headphone with a microphone in which a microphone boom having a microphone attached to one end thereof is attached to a headphone body so that the length and angle of the headphone body can be adjusted, and a support member disposed on the rear surface side of the headphone body and the same support member. A recess having a predetermined diameter formed in and an insertion hole that is smaller in diameter than the recess and is concentrically formed with respect to the recess;
An elastic washer arranged in the recess, an elastic synthetic resin holder rotatably held in the insertion hole, and a support shaft having a spherical body at the tip standing upright on the rear surface of the headphone body. The holder has a knob portion fitted and arranged in the recess through the washer, and a hook-shaped portion at a tip end that engages with an edge of the insertion hole, and is coaxial with the knob portion. And a cylindrical portion that is integrally connected continuously, and the cylindrical portion has an axial groove whose width from the end surface of the hook-shaped portion to the inside of the knob portion is narrower than the outer diameter of the microphone boom. At the same time, a holding groove for rotatably holding the spherical body is formed at the lower end of the coaxial groove, and the cylindrical portion and the hook are inserted in a state where the holder is inserted into the axial groove and the microphone boom is inserted. Rotate into the insertion hole of the support member via the mold Locked to capacity, the headphone body microphone with headphones, characterized in that it is held rotatably in the holding groove via the spherical body.