JP4137608B2 - headset - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a headset used in an audio device, and more particularly to a headset provided with an ear pad that comes into contact with a listener's pinna.
[0002]
[Prior art]
Conventionally, this type of headset has been used in various types of audio equipment, and is widely used as a headset for allowing a listener to listen to sound (see, for example, Patent Document 1).
[0003]
As shown in FIG. 6, the conventional headset 200 has an arc-shaped headband 210, a pair of holders 220 disposed at both ends of the headband 210, a pair of housings 230 as movable members, It has.
[0004]
The housing 230 is supported by the holder 220 and rotates around the support shaft 221 of the holder 220. A speaker (not shown) is accommodated in the housing 230, and an ear pad 231 that abuts on the periphery of the listener's pinna when the headset 200 is mounted on the listener's head is attached.
[0005]
[Patent Document 1]
JP-A-8-256391 (2nd page, FIG. 1)
[0006]
[Problems to be solved by the invention]
However, in the above conventional headset, the housing rotates only around one axis, so that the movable direction of the housing is limited, and the operation quality of the housing is deteriorated. In particular, when the headset is worn for a long time, there is a problem that the feeling of wearing is deteriorated because the ear pad is biased so that the pressing force from the ear pad is applied unevenly for a long time.
[0007]
Accordingly, an object of the present invention is to provide a headset that can improve the operation quality of the movable member and improve the wearing feeling in order to solve such problems.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, a headset according to the present invention includes a fixing member having a bearing portion having an inner peripheral surface formed in a substantially spherical shape, a first surface facing the fixing member, and the first A movable member having an audio output portion disposed on the second surface side, and a first end portion having an outer peripheral surface formed in a substantially spherical shape. A second end connected to the first surface side of the movable member, and the first end is fitted to the bearing portion of the fixed member to fix the movable member A connecting member connected to the member, and the movable member rotates around the first end of the connecting member.
[0009]
With this configuration, in the headset according to the present invention, since the movable member rotates around the first end portion of the connecting member, the operation quality of the movable member can be improved and the wearing feeling can be improved. .
[0010]
In the headset according to the present invention, the fixed member has an engaging portion that engages with the movable member when the movable member rotates around the central axis of the connecting member, and the rotation of the movable member It has the structure characterized by restricting.
[0011]
With this configuration, the headset according to the present invention can regulate the rotation of the movable member when the engaging portion of the fixed member is engaged with the movable member, so that the cord connected to the audio output unit is disconnected. Can be prevented.
[0012]
In the headset according to the present invention, the fixed member is located on the movable member side, and has an inner edge extending radially inward from one end of the bearing portion of the fixed member, and the inner edge is By engaging the first end portion of the connecting member, the movement of the connecting member toward the movable member is restricted.
[0013]
With this configuration, the headset according to the present invention can regulate the movement of the connecting member toward the movable member by engaging the inner edge of the fixing member with the first end of the connecting member. It is possible to prevent the movable member from falling off the fixed member.
[0014]
In the headset according to the present invention, the connecting member is made of metal.
[0015]
With this configuration, in the headset according to the present invention, since the connecting member is formed of metal, the durability and reliability of the connecting member can be improved.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0017]
1 to 5 are diagrams showing a headset according to an embodiment of the present invention.
[0018]
First, the configuration of the headset according to the present embodiment will be described.
[0019]
As shown in FIGS. 1 to 3, the headset 100 includes an arc-shaped headband 110, a pair of holders 120 disposed at both ends of the headband 110, and a speaker 131 as an audio output unit that outputs audio. Are housed, an arm 140 having a microphone 141 serving as a voice input unit for inputting voice, and a cord 150 for inputting and outputting voice signals.
[0020]
The headband 110 is formed of a flexible member, such as a resin, and abuts against the top of the listener when the headset 100 is mounted on the listener's head, and the holder 120. The housing 130 is pressed against the listener's pinna by urging the inner side.
[0021]
The holder 120 is movably attached along the headband 110, and the position of the housing 130 is changed by changing the length from the headband 110 to the housing 130 according to the size of the listener's head. Is adapted to the position of the listener's pinna. The arm 140 is attached to the holder 120 and rotates around the central axis 101 of the holder 120.
[0022]
Further, the holder 120 has a bearing portion 121 whose inner peripheral surface is formed in a substantially spherical shape, and an inner edge portion 122 that is located on the housing 130 side and extends radially inward from one end of the bearing portion 121. Yes. The holder 120 constitutes the fixing member in the present invention.
[0023]
The housing 130 has an inner lid 133 to which the speaker 131 and the ear pad 132 are attached, and a bowl-shaped pedestal 134 that fits into the inner lid 133. The pedestal 134 has a first surface 134a facing the holder 120, and a second surface 134b as the back surface of the first surface 134a. The housing 130 constitutes a movable member in the present invention.
[0024]
The speaker 131 is disposed on the second surface 134b side of the pedestal 134, and faces the listener's auricle when the headset 100 is mounted on the listener's head.
[0025]
The ear pad 132 is a donut-shaped member whose surface such as urethane is covered with synthetic leather or the like. The ear pinna is covered to prevent sound leakage and intrusion of ambient noise.
[0026]
One end of the cord 150 is connected to the speaker 131 and the microphone 141 by soldering or the like, and the other end of the cord 150 is provided with a plug connected to an acoustic device.
[0027]
The headset 100 also includes a rod 160 that connects the housing 130 to the holder 120. The rod 160 is made of metal, and is fixed to the pedestal 134 with screws 170 and bushes 171 as fixtures. The rod 160 constitutes a connecting member in the present invention.
[0028]
The rod 160 has a first end 161 whose outer peripheral surface is formed in a substantially spherical shape, and a second end 162 connected to the first surface 134 a side of the pedestal 134. The first end 161 is fitted to the bearing 121 so that the housing 130 is connected to the holder 120.
[0029]
The housing 130 rotates about the first end portion 161 of the rod 160 when the first end portion 161 of the rod 160 slides with respect to the bearing portion 121 of the holder 120. Therefore, when the housing 130 rotates around the first end portion 161 of the rod 160, the outer peripheral surface of the first end portion 161 of the rod 160 is in sliding contact with the inner peripheral surface of the bearing portion 121 of the holder 120. .
[0030]
The holder 120 is configured to restrict the movement of the rod 160 toward the pedestal 134 by the inner edge 122 of the holder 120 engaging the first end 161 of the rod 160. The end portion 161 is prevented from coming off from the bearing portion 121 of the holder 120.
[0031]
As shown in FIG. 4, the pedestal 134 has four recesses 135 that are located on the first surface 134 a side of the pedestal 134 and are arranged at equal angles around the central axis 102 of the rod 160. As shown in FIG. 5, it has four convex portions 123 that fit into the concave portions 135 of the pedestal 134.
[0032]
When the housing 130 rotates around the central axis 102 of the rod 160, the holder 120 regulates the rotation of the housing 130 by engaging the convex portion 123 of the holder 120 with the concave portion 135 of the pedestal 134. Yes. In addition, the convex part 123 of the holder 120 comprises the engaging part in this invention.
[0033]
As described above, in the present embodiment, since the housing 130 rotates around the first end 161 of the rod 160, all the housing 130 is directed radially outward from the central axis 102 of the rod 160. The operation quality of the housing 130 can be improved.
[0034]
In the present embodiment, since the housing 130 can be rotated in all directions from the central axis 102 of the rod 160 toward the radially outward direction, the ear pad 132 is brought into contact with the listener's auricle in parallel. The pressing force from the ear pad 132 can be applied uniformly to the listener's pinna. Therefore, the wearing feeling of the headset 100 can be improved.
[0035]
In the present embodiment, since the outer peripheral surface of the first end portion 161 of the rod 160 is in sliding contact with the inner peripheral surface of the bearing portion 121 of the holder 120, the housing 130 can rotate smoothly. The operating quality of the housing 130 can be improved.
[0036]
In the present embodiment, since the rotation of the housing 130 can be restricted by engaging the convex portion 123 of the holder 120 with the concave portion 135 of the pedestal 134, the cord 150 connected to the speaker 131 is disconnected. Can be prevented.
[0037]
In the present embodiment, since the inner edge 122 of the holder 120 engages with the first end 161 of the rod 160, the movement of the rod 160 toward the base 134 can be restricted. It is possible to prevent the first end portion 161 of the 160 from coming out of the bearing portion 121 of the holder 120, and to prevent the housing 130 from dropping from the holder 120.
[0038]
Moreover, in this Embodiment, since the rod 160 is formed with the metal, durability and reliability of the rod 160 can be improved.
[0039]
In the present embodiment, the convex portion 123 of the holder 120 and the concave portion 135 of the pedestal 134 are arranged at four locations, respectively, but the quantity and arrangement of the convex portion 123 of the holder 120 and the concave portion 135 of the pedestal 134 are an example. It is sufficient if the convex portion 123 of the holder 120 is configured to engage with the concave portion 135 of the pedestal 134.
[0040]
Further, in the present embodiment, the housing 130 rotates around the first end 161 of the rod 160 on the inner peripheral surface of the bearing 121 of the holder 120 and the outer peripheral surface of the first end 161 of the rod 160. The outer peripheral surface of the first end 161 of the rod 160 may be formed so as to be in sliding contact with the inner peripheral surface of the bearing portion 121 of the holder 120. It includes a surface that is partially formed into a spherical shape.
[0041]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a headset that can improve the operational quality of the movable member and improve the wearing feeling.
[Brief description of the drawings]
FIG. 1 is a front view of a headset according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a holder, a housing, and a rod of the headset according to an embodiment of the present invention. Fig. 4 is a partial cross-sectional view of a holder, a housing, and a rod of a headset according to an embodiment. Fig. 4 is a perspective view of a pedestal of a headset according to an embodiment of the invention. FIG. 6 is a perspective view of a holder of the headset. FIG. 6 is a front view of a conventional headset.
100 Headset 110 Headband 120 Holder (fixing member)
121 Bearing part 122 Inner edge part 123 Convex part (engagement part)
130 Housing (movable member)
131 Speaker (voice output unit)
132 Ear pad 133 Inner lid 134 Base 134a First surface 134b Second surface 135 Recess 140 Arm 141 Microphone 150 Cord 160 Rod (connecting member)
161 First end 162 Second end 170 Screw 171 Bush

Claims (3)

A fixing member having a bearing portion having an inner peripheral surface formed in a substantially spherical shape;
A movable member having a first surface facing the fixed member and a second surface as a back surface of the first surface, and an audio output unit disposed on the second surface side;
The outer peripheral surface has a first end portion formed in a substantially spherical shape and a second end portion connected to the first surface side of the movable member, and the first end portion is the fixing member. A coupling member that couples the movable member to the fixed member by fitting into the bearing portion of
The movable member is in the headset you rotated about said first end of said connecting member,
The fixed member has an engaging portion, the movable member has a recess on the first surface,
The headset according to claim 1, wherein when the movable member rotates around a central axis of the connecting member, the concave portion engages with the engaging portion to restrict the rotation of the movable member . The fixed member has an inner edge portion that is located on the movable member side and extends radially inward from one end of the bearing portion of the fixed member, and the inner edge portion is the first end portion of the coupling member. The headset according to claim 1, wherein the movement of the connecting member toward the movable member is restricted by engaging with the head. The connecting member has a head set according to claim 1 or claim 2, characterized in that it is formed by metal.

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