JP5610963B2 - earphone - Google Patents

Description

  The present invention relates to an ear-hook type earphone, and more particularly to an ear-hook type earphone provided with an ear hanger to be attached to a user's pinna and configured to move the ear hanger.

When the user wears the earphone, the user's feeling of wearing the earphone varies from person to person because the shape and size of the user's auricle vary among individuals. For example, when a person has a small auricle wears the earphone is sometimes ear side to the housing of the earphone that is inserted into the ear canal side or can compress marks or occur is squeezed pain. Also, if not the size human auricle wears the earphone is weakened holding force of the auricle side relative to the housing of the earphone that is inserted into the ear canal side, sometimes fall off even a little shock.

  On the other hand, conventional ear-hook type earphones are generally attached by attaching the ear hanger to the earphone housing integrally and pressing the housing in the direction of the auricle using the elasticity of the ear hanger. It is. The ear-hook type earphone is designed so that the ear hanger can prevent the earphone from falling off the user's pinna. However, as mentioned above, there are individual differences in the size of the auricle, so there are differences in the pressure contact force, etc., so that some people are painful and others are more likely to drop off. There's a problem.

  Therefore, in the invention described in Patent Document 1, as shown in FIGS. 6 and 7, the ear hanger 22 and the connecting support 23 interposed between the base end side of the ear hanger 22 and the housing 24 are configured. One end of the connection support 23 is rotatably connected to the housing 24, and the other end of the connection support 23 is rotatably connected to the proximal end side of the ear hanger 22. An earphone 30 is disclosed. By configuring in this way, the earphone 30 can stably support the ear hanger 22 on the base side of the auricle 101 while changing the position of the ear hanger 22 freely. Have been described.

  However, since the earphone 30 and the connection support 23 and the connection support 23 and the housing 24 are rotatably connected as described above, the earphone 30 can position each member in an actual usage mode. It is a difficult configuration. Therefore, for example, as shown in FIG. 6, the ear hanger 22 may hit the base B of the user's auricle 101 when the user wears it.

  In addition, since the size of the user's pinna 101 varies from person to person as described above, the earphone is determined from the length A of the base of the pinna 101 from the external auditory canal of the user's pinna 101 as shown in FIG. When the length from the top of the user to the central axis of the housing 24 is short in the usage mode of the 30 hangers 22, the pressure on the auricle 101 of the earphone 30 becomes strong, and the user wears the earphone 30 for a long time. May cause discomfort and pain in the user's pinna.

JP 2006-5583 A

The present invention is to make it easier to position the respective members in a state of easily mounted on the auricle of the user, without causing pain or discomfort to even users auricle and HazamaSo wearing time length, using An object of the present invention is to provide an earphone that can be worn according to the difference in size of a person's pinna.

The present invention includes a housing with a built-in driver unit that is attached to the user's ear canal, an ear hanger that is attached to the user's ear pinna, and a connecting member that connects the housing and the ear hanger The connecting member is connected to the housing so as to extend upward in the usage mode, and the connection member and the ear hanger are connected to the connection member in the usage mode by the user. The length of the connecting member is set so that the shaft connecting portion is connected to the shaft connecting portion so as to be rotatable in the front-rear direction of the head, and the shaft connecting portion is also positioned above the root of the user's auricle in the usage mode. By providing a gap in the connecting portion between the housing and the connecting member, the housing can be connected so that its central axis can be inclined. Connected to wood, the connecting member and the housing, in use mode, is connected so that it can swing in the frontal direction of each other user, rear part of the housing have become cylindrical, after the housing The main feature is that an exhaust hole is provided in the side surface of the surface portion, and the exhaust hole is provided through a cylindrical elastic portion fitted in the cylindrical portion of the housing .

  According to the earphone of the present invention, the connecting member is connected to the housing so as to extend upward in the usage mode, and the connecting member and the ear hanger are connected to the connecting member in the usage mode so that the ear hanger is positioned in front of and behind the user's head. The shaft connecting portion is connected to the shaft connecting portion so as to be rotatable in a direction, and the length of the connecting member is set so that the shaft connecting portion is located above the root of the user's auricle in the usage mode, An ear hook that is easy to wear on the ear pinna of the user, and that does not cause pain or discomfort to the user's pinna even when worn for a long time, and that fits the difference in the size of the user's pinna A type of earphone can be provided.

It is a front view which shows the Example of the earphone concerning this invention. It is a schematic diagram which shows the mode on the way to the usage condition of the said earphone. It is a front view which shows the usage condition of the said earphone. It is sectional drawing of the said earphone. It is an enlarged side view of the earphone. It is a schematic diagram which shows the mode on the way to the usage condition of the conventional earphone. It is a schematic diagram which shows the usage condition of the conventional earphone.

  Hereinafter, embodiments of the earphone according to the present invention will be described with reference to the drawings. The earphone 1 according to the present invention is not limited to the configuration of the embodiment. Although not shown, in the actual usage mode, the earphones 1 are used in a pair of left and right, and can be connected to an appropriate sound output terminal through the cord 8.

  1 to 4, the ear-hook type earphone 1 is attached to the base of the user's auricle 101 and the bowl-shaped housing 3 that includes the driver unit 10 and is attached to the user's auricle 101. It is mainly composed of a rod-shaped ear hanger 2 that is curved in an arc shape, and a connecting member 6 that connects the housing 3 and the ear hanger 2. The ear hanger 2 is curved in an arc shape as described above so as to match the shape of the root of the user's auricle 101 and the manner of use. One end of the ear hanger 2 is formed to have a rounded cross section, and serves as a tip portion of the ear hanger 2. Since the other end of the ear hanger 2 is connected to the connecting member 6, the shape is flatter than the tip portion, and a hole 2 </ b> A for inserting the shaft portion 7 </ b> A of the shaft connecting portion 7 in FIG. 4 is formed. Has been. In addition, although the ear hanger 2 consists of elastic resin in order to protect a user's pinna 101, you may use another raw material.

The connection member 6 is made of, for example, aluminum which is a light metal for weight reduction. The connecting member 6 has a hole 6 </ b> D formed by hollowing out the center portion of the plane in the front-and-rear direction of the user's head in the usage mode for further weight reduction. The entire shape of the connecting member 6 is formed in a substantially rectangular parallelepiped shape slightly curved in front of the user's head in the usage mode. In addition, the connection member 6 can also be designed not to form the hole 6D, and the material of the connection member 6 can be selected appropriately. By providing the hole 6D, it is possible to bring out a lighter feeling in terms of design. One end of the coupling member 6 is connected to the other end of the ear hanger 2 described above, a hole 6A for shaft insertion portion 7E of the shaft connecting portion 7 in FIG. 4 is inserted is formed. In addition, the planar shape of the both ends of the longitudinal direction of the connection member 6 is formed so that it may become roundish. The length in the longitudinal direction of the connecting member 6 is designed to be longer than the length from the root of the so-called human pinna to the external auditory canal. This makes it possible to match the size and shape of each user's pinna 101. The length of the connecting member 6 in the longitudinal direction may be set so that, for example, the length of the central axis of the shaft connecting portion 7 and the length of the central axis of the fixed portion 5 is approximately 35 mm.

  In FIG. 4, the shaft connecting portion 7 is composed of two members, a shaft forming portion 7-1 and a shaft fixing portion 7-2. The shaft forming portion 7-1 has a disc-shaped head portion 7C and a rod-shaped shaft portion 7A. The shaft fixing portion 7-2 includes a disc-shaped head portion 7D and a bottomed cylindrical shaft insertion portion 7E having a shaft hole 7B for receiving the shaft portion 7A. As shown in FIG. 4, the ear hanger 2 and the connecting member 6 are configured such that the shaft portion 7A of the shaft forming portion 7-1 penetrates the hole 2A and the hole 6A from the ear hanger 2 side and the shaft fixing portion 7-2 is inserted into the shaft. It is connected by being inserted into the shaft hole 7B of the portion 7E. The ear hanger 2 is rotatable with respect to the connecting member 6 around the shaft portion 7A. By doing in this way, the ear hanger 2 is connected with the connection member 6 by the axis | shaft connection part 7 so that it can rotate in the front-back direction of a user's head in a use aspect. Then, the user can easily attach the earphone 1 only by rotating the ear hanger 2 around the shaft coupling portion 7 when the earphone 1 is attached.

  4 and 5, the front surface of the bowl-shaped housing 3 is a sound emitting surface of the driver unit 10. The rear surface portion of the housing 3 on the opposite side is cylindrical, and the cylindrical elastic portion 11 is fitted and connected to the outer periphery of the rear surface portion of the cylindrical housing 3. The cord bush 4 is formed in a tapered cylindrical shape so as to extend from the peripheral surface of the elastic portion 11. The elastic part 11 and the cord bush 4 are integrally formed, and the housing 3 and the cord bush 4 communicate with each other in the internal space. In addition, although the structure of the elastic part 11 and the cord bush 4 may be a different body, it is preferable to form them integrally because the number of steps is reduced and manufacturing costs are reduced. A hole 3 </ b> B is provided on the side surface of the cylindrical rear surface portion of the housing 3. The cord 8 is drawn from the hole 3B through the inside of the cord bush 4. The driver unit 10 may be a general appropriate type, for example, a dynamic driver unit. As a material of the elastic portion 11, a resin made of a polymer can be used.

  The fixed portion 5 has a disc-shaped head portion 5C and a cylindrical portion 5B following the disc-shaped head portion 5C. As shown in the drawing, the connecting means 13, which is a male screw, is screwed into the screw hole 5 </ b> A provided in the fixing part 5 through the internal space of the elastic part 11 and the hole 3 </ b> A provided in the housing 3. Thus, it is fixed to the housing 3. Note that any appropriate means other than those described above can be used to fix the fixing portion 5 and the elastic portion 11. The other end of the connecting member 6 has a hole 6B. This hole 6 </ b> B is inserted through the cylindrical portion 5 </ b> B of the fixed portion 5. Thus, the connecting member 6 is fixed to the housing 3 by the fixing portion 5. In addition, the connecting member 6 extends upward in the user's head in the usage mode, and the shaft connecting portion 7 connected to the connecting member 6 is above the root of the user's auricle 101 in the usage mode. So that it is positioned and fixed. In addition, the fixing method of the connection member 6 and the housing 3 is not limited to the above-described one, and can be configured with an appropriate design concept. For example, the portion corresponding to the elastic portion 11 is the same as the housing 3, for example, a polymer material such as polypropylene. Can be formed integrally with the housing 3, and the connecting member 6 and the housing 3 can be fixed using the fixing portion 5 described above.

  Thus, the connecting member 6 and the ear hanger 2 are connected to the connecting member 6 by the shaft connecting portion 7 so that the ear hanger 2 can rotate in the front-rear direction of the user's head in the usage mode. 7 is positioned above the user's pinna 101 in the usage mode, whereby each member can be easily positioned in a state where it can be easily worn on the user's pinna 101. Therefore, it is easy to wear, and it does not cause pain or discomfort to the user's pinna 101 even when worn for a long time, and can be worn according to the size difference of the user's pinna 101 The earphone 1 can be provided.

  In addition, when the earphone 1 is worn in this way, the ear hanger 2 is rotated so as to be positioned above the user's head as shown in FIG. 2 and the housing 3 is attached to the ear canal (not shown). Then, as shown in FIG. 3, it is only necessary to turn the ear hanger 3 toward the base of the user's auricle 101. Therefore, as compared with the conventional examples of FIGS. The earphone 1 can be attached very easily.

4 and 5, the details of the portion that connects the connecting member 6 and the housing 3 via the fixing portion 5 (hereinafter referred to as the connecting portion between the connecting member 6 and the housing 3) will be described. A buffer member 9 is interposed between the fixing portion 5 and the hole 6 </ b> B of the connecting member 6. The buffer member 9 has a cylindrical shape, and has a ring-shaped recess 9A at the axial center portion of the peripheral surface. The concave portion 9A is formed so that the outer peripheral portion forming the hole 6B of the connecting member 6 is fitted. Further, as shown in FIG. 5, the recess 9A is formed of two side surfaces 9B and a bottom surface 9C. The two side surfaces 9B are provided with gradients so that each has an angle in the opposite direction from the vertical direction of the bottom surface 9C . In addition, two cutting portions 6 </ b> C for escaping the buffer member 9 are provided at both ends of the outer peripheral portion forming the hole 6 </ b> B of the connecting member 6. The two cutting portions 6C are cut so that each has an angle in the opposite direction from the direction perpendicular to the peripheral surface 6E of the hole 6B. In addition, as a raw material of the buffer member 9, if it is a raw material which has elasticity, an appropriate thing can be selected, for example, resin, rubber | gum etc. which were synthesize | combined with the organic substance can be used.

  By doing in this way, a fine gap is made in the direction of the frontal plane of the user on the mutually facing surfaces in the connecting portion of the connecting member 6 and the housing 3. And the housing 3 and the connection member 6 are connected so that it can rock | fluctuate mutually in a user's forehead surface direction in a use aspect. When the practicality and durability of the earphone 1 are taken into consideration, the housing 3 and the connecting member 6 can swing with respect to each other, for example, 3 degrees to 4 degrees. The swing of the connecting member 6 is fixed in the sagittal direction of the user's head. Similarly, the housing 3 is connected to the connecting member 6 so that the central axis D can be inclined. That is, the housing 3 can swing so as to be inclined in all directions perpendicular to the central axis D thereof. In consideration of the practicality and durability of the earphone 1, the housing 3 is inclined from its central axis D by 3 to 4 degrees in terms of angle, for example. Further, the above-described housing 3 can also be obtained by enlarging the buffer member 9 provided between the fixing portion 5 and the connecting portion between the connecting member 6 and providing a gap in the joint surface between the fixing portion 5 and the connecting member 6. The movement of the connecting member 6 is possible. In addition, the above-described swinging is possible when a gap is provided in the use face in the direction of the user's forehead in the joint surface of the portion (connecting portion) where the housing 3 and the connecting member 6 are connected. Therefore, for example, even if the gradient of the two side surfaces 9B described above is formed on either one or only one of the two cutting portions 6C is formed, the movement of the housing 3 and the connecting member 6 is realized. It is also possible.

  By doing so, the earphone 1 does not press the user's pinna 101 in a fixed manner for a long time, and the earphone 1 can adapt to the movement of the user. Even if the earphone 1 is worn, it is possible to prevent pain and discomfort, and the user can comfortably use the earphone 1. Further, the connection between the ear hanger 2 and the connecting member 6 can also be designed so as to swing in the direction of the front face of the user. This also allows the user to wear the earphone 1 for a long time. It is also possible to prevent causing pain and discomfort.

  In FIG. 5, an exhaust hole 12 for releasing the back pressure of the driver unit 10 can be provided in the elastic part 11 at the rear part of the housing 3 for the acoustic characteristics of the driver unit 10 in FIG. 4. Further, a hole 3 </ b> C is provided on the side surface of the housing 3 in order to form the exhaust hole 12. And the recessed part 11A of the elastic part which has the exhaust hole 12 is fitted in the hole 3C. By providing the exhaust hole 12 at this position, the appearance of the earphone 1 can be prevented from being impaired. Moreover, like the hole 6D of the connecting member 6, by providing the exhaust hole 12, it is possible to bring out a lighter feeling in terms of design. Furthermore, the acoustic characteristics of the driver unit 10 can be adjusted by adjusting the size of the exhaust hole 12 or attaching an acoustic resistance material made of a conductive cloth (not shown) to the exhaust hole 12. The shape of the exhaust hole 12 may be circular, and an appropriate shape can be selected. Further, the number of the exhaust holes 12 may be formed in a plural number instead of one as illustrated.

  As mentioned above, although one Example of this invention was described, this invention is not limited to the structure of this Example, A design change can be made in the range which does not deviate from the technical idea described in the claim. For example, the configuration of the earphone according to the present invention may be a so-called canal type earphone that inserts a portion that emits sound into the ear canal, and the configuration of the present invention can also be applied to an earphone type hearing aid.

DESCRIPTION OF SYMBOLS 1 Earphone 2 Ear hanger 3 Housing 4 Cord bush 5 Fixed part 6 Connecting member 7 Shaft connecting part 8 Cord 9 Buffering member

Claims (2)

A housing with a built-in driver unit that can be attached to the user's ear canal;
An ear hanger attached to the base of the user's pinna;
An earphone having a connecting member for connecting the housing and the ear hanger;
The connecting member is connected to the housing so as to extend upward in the usage mode,
The connecting member and the ear hanger are connected to the shaft connecting portion so that the ear hanger can rotate in the front-rear direction of the user's head with respect to the connecting member in a use mode.
The length of the connecting member is set so that the shaft connecting portion is located above the root of the user's pinna in the usage mode,
By providing a gap in the connecting portion between the housing and the connecting member, the housing is connected to the connecting member so that a central axis thereof can be inclined, and the connecting member and the housing are used in a manner of use. And connected to each other so that they can swing in the direction of the front face of the user ,
The rear surface portion of the housing is cylindrical, and an exhaust hole is provided on a side surface of the rear surface portion of the housing.
The earphone is characterized in that the exhaust hole is provided through a cylindrical elastic portion fitted in the cylindrical portion of the housing . The earphone according to claim 1, wherein the housing and the connecting member are connected via a buffer member.

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