earphone

Abstract

The application discloses an earphone. The earphone comprises an ear hanging part, the ear hanging part comprising an elastic metal piece and a shaped piece. The elastic metal piece comprises a main body part and a bent part, the main body part being a curved structure, and one end of the bent part being bently connected with the main body part. The shaped piece is at least covered on the connection between the main body part and the bent part in a shaping mode, and the other end of the bent part is exposed from the shaped piece.

Description

Technical Field

[0001] This application relates to the field of headphone technology, and in particular to headphones. Background Technology

[0002] Headphones, as electronic devices, are widely used in people's daily lives, and can be used with mobile phones, computers, and other terminal devices. In related technologies, headphones typically include a flexible metal component and a molded component. The molded component is disposed at at least one end of the flexible metal component. The molded component can be a two-piece assembly, meaning it can include two parts assembled together, with the flexible metal component clamping and fixing these two parts between them. Such a solution requires manufacturing the two parts of the molded component separately, followed by assembly, making the manufacturing process relatively complex.

[0003] To simplify the manufacturing process, a molding method can be used to directly cover the end of the elastic metal part. In this approach, the molded part is integrally formed, eliminating subsequent assembly steps. However, achieving accurate positioning of the elastic metal part during the molding process is a technical problem that urgently needs to be solved. Utility Model Content

[0004] An embodiment of this application provides an earphone.

[0005] The earphone includes an ear hook, which comprises a flexible metal component and a molded component. The flexible metal component includes a main body and a bent portion. The main body has a curved structure, and one end of the bent portion is bent and connected to the main body. The molded component is molded to at least cover the connection between the main body and the bent portion, with the other end of the bent portion exposed outside the molded component.

[0006] Optionally, the bent portion bends outward relative to the main body portion toward the curved structure formed by the main body portion.

[0007] Optionally, the end face of the other end of the bent portion is flush with the outer wall surface of the molded part and exposed outside the molded part.

[0008] Optionally, the earphone also includes an elastic overlay layer that covers the outside of the molded part and covers the end face.

[0009] Optionally, the cross-sectional shape of the main body and the bent part is the same.

[0010] Optionally, the cross-sections of the main body and the bent portion are respectively circular.

[0011] Optionally, the bending portion includes an arc-shaped transition section and a straight extension section, the arc-shaped transition section connecting the main body and the straight extension section, and the angle between the straight extension section and the portion of the main body near the arc-shaped transition section being between 70 degrees and 110 degrees.

[0012] Optionally, in the extension direction of the portion of the main body near the arc-shaped transition section, the length of the elastic metal part embedded in the molded part is no more than 4 mm.

[0013] Optionally, the headphones also include a sound-producing part, and the ear hook is configured to place the sound-producing part in front of the ear when worn. The sound-producing part has a connecting end and a free end that are arranged opposite to each other. When worn, the free end is inserted into the concha cavity without blocking the external auditory canal. One end of the molded part is connected to the connecting end, and the other end of the molded part covers at least the connection between the main body and the bent part.

[0014] Optionally, the headphones also include a sound-generating part and a battery part, with an ear hook connecting the sound-generating part and the battery part. The ear hook is configured to place the sound-generating part in front of the ear and the battery part behind the ear when worn. One end of the molded part is connected to the battery part, and the other end covers at least the connection between the main body and the bent part. The bent part is located at one end of the main body, and the other end of the main body is connected to the sound-generating part.

[0015] The beneficial effects of this application are as follows: Unlike the prior art, the elastic metal part includes a main body and a bent part. One end of the bent part is bent and connected to the main body, so that the connection between the bent part and the main body is bent. The molded part is formed to at least cover the connection between the main body and the bent part. In this way, during the molding process of the molded part, the elastic metal part can be positioned at a first position of the main body near the connection between the main body and the bent part, and at a second position of the bent part near the connection between the main body and the bent part. This reduces the possibility of the elastic metal part moving during the molding process. Furthermore, the bent connection between the bent part and the main body also helps to reduce the possibility of the elastic metal part rotating during the molding process, thereby improving the positioning effect of the elastic metal part during the molding process and ensuring a reliable connection between the elastic metal part and the molded part.

[0016] On the other hand, one end of the bent part is bent and connected to the main body, so that the connection between the bent part and the main body is bent. Compared with the case where the elastic metal part does not bend, it is beneficial to increase the actual fixed length of the molded part on the elastic metal part, and also to ensure a reliable connection between the elastic metal part and the molded part. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the physiological structure of the ear;

[0018] Figure 2 This is a schematic diagram of the earphone embodiment of this application being worn on the ear;

[0019] Figure 3 This is a schematic diagram of the structure of an embodiment of the earphone in this application;

[0020] Figure 4 yes Figure 3 A schematic diagram of the exploded structure of the earphone shown.

[0021] Figure 5 This is a schematic diagram of the elastic metal component of headphones in related technologies;

[0022] Figure 6 yes Figure 3 A schematic diagram of the internal structure of the ear hook section in the earphone shown.

[0023] Figure 7 yes Figure 6 The diagram shows the structure of the elastic metal component.

[0024] Figure 8 yes Figure 6 The diagram shows the mating structure of the elastic metal part and the molded part. Detailed Implementation

[0025] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0026] Combination Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the physiological structure of the ear. The exemplary ear may include physiological parts such as the external auditory canal 101, the concha 102, the cymba conchae 103, the triangular fossa 104, the antihelix 105, the scaphoid fossa 106, the helix 107, the earlobe 108, and the crus of the helix 109. Although the external auditory canal 101 has a certain depth and extends to the tympanic membrane of the ear, unless otherwise specified, the external auditory canal 101 can be understood as its entrance away from the tympanic membrane (i.e., the ear canal opening or ear hole).

[0027] Combination Figure 2 and Figure 3 This application provides an earphone 1. The earphone 1 includes an ear hook 10, a sound-generating part 20, and a battery part 30. The ear hook 10 connects the sound-generating part 20 and the battery part 30. The ear hook 10 is configured to place the sound-generating part 20 in front of the ear when worn. The sound-generating part 20 has a connecting end and a free end that are disposed opposite each other. When worn, the free end is inserted into the concha cavity without blocking the external auditory canal. The ear hook 10 is configured to place the battery part 30 behind the ear when worn. Herein, the front of the ear refers to the side of the auricle closer to the face, and the back of the ear refers to the side of the auricle away from the face.

[0028] Combination Figures 2 to 4 ,as well as Figure 6 The ear hook portion 10 includes an elastic metal part 11 and a molded part 12. The elastic metal part 11 can be an elastic metal sheet or an elastic metal wire, such as a titanium sheet or titanium wire. For the earphone 1, during the wearing or removal of the earphone 1, the elastic metal part 11 can undergo elastic deformation, allowing the user to easily hang the earphone 1 on or remove it from the ear. In addition, when the earphone 1 is accidentally dropped, the elastic deformation can absorb and buffer some of the energy, reducing the impact of the drop on the earphone 1.

[0029] Specifically, the elastic metal part 11 includes a main body 111 and a bent part 112. The main body 111 has a curved structure. The curved structure of the main body 111 allows it to adapt to the shape of the user's ear, ensuring a stable fit on the user's auricle. Furthermore, the curved structure of the main body 111 facilitates elastic deformation, making it easier to wear or remove the earphone 1. One end of the bent part 112 is bent and connected to the main body 111. In this application's description, "bent and connected" means that one end of the bent part 112 is bent and connected to the main body 111, such that the connection between the main body 111 and the bent part 112 is bent.

[0030] Combination Figure 2 and Figure 3 Optionally, the periphery of the elastic metal member 11 may be covered with an elastic covering layer 13. One or both ends of the elastic metal member 11 may be provided with a molding member 12. In some embodiments, the molding member 12 may include a first molding member 121 and a second molding member 122, with the first molding member 121 disposed at one end of the elastic metal member 11 and the second molding member 122 disposed at the other end of the elastic metal member 11.

[0031] Specifically, one end of the first molded part 121 is connected to the connecting end of the sound-generating part 20, and the other end of the first molded part 12 is connected to the elastic metal part 11. One end of the second molded part 122 is connected to the battery part 30, and the other end is connected to the elastic metal part 11. In some embodiments, the first molded part 121 and the second molded part 122 can be formed using a similar manufacturing method. The molded part 12 described below can refer to either the first molded part 121 or the second molded part 122.

[0032] The molded part 12 can be a housing formed by molding. The sound-emitting part 20 can include a sound-emitting housing, which can accommodate a speaker assembly, etc. The battery part 30 includes a battery housing, which can accommodate a battery assembly, etc. The elastic covering layer 13 can cover the molded part 12 and the elastic metal part 11 together. The elastic covering layer 13 can also be provided with wiring connecting the battery and the speaker assembly.

[0033] The molded part 12 covers at least the connection between the main body 111 and the bent part 112 by molding. The molding method may include injection molding or compression molding, etc., and this application does not specifically limit it. Those skilled in the art can choose according to actual needs.

[0034] The molded component 12 can be integrally formed with or separately from the sound-generating housing. Alternatively, the molded component 12 can be integrally formed with or separately from the battery housing, without specific limitation. Optionally, the molded component 12 can be part of the battery housing or part of the sound-generating housing. In some embodiments, in addition to covering the connection between the main body 111 and the bent portion 112, the molded component 12 can further cover a portion of the main body 111, or further cover all of the bent portion 112. The other end of the bent portion 112 is exposed from the molded component 12. The portion of the molded component 12 covering the elastic metal member 11 enables connection with the elastic metal member 11.

[0035] Combination Figures 6 to 8 The elastic metal part 11 provided in this application embodiment includes a main body 111 and a bent part 112. One end of the bent part 112 is bent and connected to the main body 111, so that the connection between the bent part 112 and the main body 111 is bent. The molded part 12 is molded to at least cover the connection between the main body 111 and the bent part 112. In this way, during the molding process of the molded part 12, the elastic metal part 11 can be positioned at a first position A near the connection between the main body 111 and the bent part 112, and at a second position B near the connection between the bent part 112 and the main body 111, respectively. This can reduce the possibility of the elastic metal part 11 moving during the molding process. Furthermore, the bent connection between the bent part 112 and the main body 111 also helps to reduce the possibility of the elastic metal part 11 rotating during the molding process, thereby improving the positioning effect of the elastic metal part 11 during the molding process and ensuring a reliable connection between the elastic metal part 11 and the molded part 12.

[0036] On the other hand, one end of the bent portion 112 is bent and connected to the main body portion 111, so that the connection between the bent portion and the main body portion 111 is bent, compared to Figure 5 When the elastic metal part 11 does not bend, and the embedding length L of the elastic metal part 11 in the molded part 12 is the same, the actual fixing length of the molded part 12 on the elastic metal part 11 can be increased, which is also beneficial to ensure a reliable connection between the elastic metal part 11 and the molded part 12.

[0037] In some embodiments, the molded part 12 is prepared via a molding cavity on a mold. For example... Figure 8As shown, the end of the elastic metal part 11 can be placed in the molding cavity of the mold first, the main body 111 is at least partially located outside the molding cavity, and the connection between the bent part 112 and the main body 111 is bent so that the bent part 112 can extend out of the molding cavity (e.g., Figure 8 (As shown by the dashed lines), by clamping the portion A of the main body 111 outside the molding cavity and the portion B of the bent portion 112 outside the molding cavity, the elastic metal part 11 can be accurately positioned, reducing the possibility of the elastic metal part 11 moving during the molding process. After molding is completed, the portion of the bent portion 112 exposed outside the molded part 12 can be cut off, thereby giving the earphone 1 a flat appearance.

[0038] Because the bending part 112 is connected to the main body part 111 by bending, the extension direction of the bending part 112 and the main body part 111 is greatly changed. In this case, when the elastic metal part 11 rotates, it will interfere with other components through the bending structure, restricting the rotation of the elastic metal part 11 and further improving the positioning effect.

[0039] From another perspective, compared to Figure 5 In the case where the elastic metal part 11 does not bend, by providing the bending part 112, the length L of the elastic metal part 11 embedded in the molded part 12 can be reduced while maintaining the same actual fixed length. The longer the embedded length of the elastic metal part 11, the worse the rigidity of the molded part 12, and the easier it is to deform or be damaged, which is not conducive to a reliable connection between the elastic metal part 11 and the molded part 12.

[0040] In some embodiments, the bent portion 112 bends outward relative to the main body 111 toward the curved structure formed by the main body 111. The limited space inside the curved structure formed by the main body 111 makes clamping and positioning of the bent portion 112 difficult. By bending the bent portion outward relative to the main body 111 toward the curved structure formed by the main body 111, clamping and positioning of the bent portion 112 on the outside, where there is more operating space, is possible, facilitating the manufacturing of the earphone 1. On the other hand, when the curved structure formed by the main body 111 deforms, the inner side of the main body 111 experiences greater tensile force. By bending the bent portion 112 outward toward the curved structure formed by the main body 111, the influence of the elastic metal part 11 on the inner strength of the main body 111 can be reduced. It should be noted that the inner side of the curved structure refers to the side where the center of curvature of the curved structure is located, and the outer side of the curved structure refers to the side of the curved structure away from its center of curvature.

[0041] In some embodiments, the end face of the bent portion 112 is flush with the outer wall surface of the molded part 12 and protrudes from the molded part 12. Before the bent portion 112 is trimmed, at least a portion of the bent portion 112 protrudes from the outer wall surface of the molded part 12. The protruding portion of the bent portion 112 mainly serves to position the elastic metal part 11 during the molding process. After the molded part 12 is formed, positioning is no longer required, and the protruding portion of the bent portion 112 can be trimmed off (e.g., ...). Figure 8 (As shown by the dashed line), the end face of the bent portion 112 is flush with the outer wall surface of the molded part 12. Based on this, the appearance of the earphone 1 is relatively flat. The term "flush" as described in this application allows for a certain processing error. Specifically, the distance between the end face of the bent portion 112 and the outer wall surface of the molded part 12 (which is coplanar, slightly protruding, or recessed) and less than 1 mm can all be understood as "flush".

[0042] In some embodiments, the earphone 1 further includes an elastic covering layer 13, which covers the outer side of the molded part 12 and covers the end face of the elastic metal part 11. When the elastic covering layer 13 is provided on the periphery of the molded part 12, the end face of the bent portion 112 is flush with the outer wall of the molded part 12, so that the earphone 1 can have a flat appearance after being covered by the elastic covering layer 13.

[0043] like Figure 5 As shown, in related technologies, the elastic metal part 11 can be a circular metal wire that does not bend. The end of the elastic metal part needs to be flattened to form a flat structure, and a jig is inserted into the molding cavity to abut against the flat structure for positioning. After molding, the jig is removed. The use of the jig can easily lead to structural holes in the molded part 12, which can cause stress concentration in the molded part 12 and may also make it prone to shrinkage. Furthermore, when the molded part 12 is molded using injection molding, the flat structure, due to its larger impact area, is more susceptible to elastic deformation from the injection impact, leading to deformation of the molded part.

[0044] In some embodiments of this application, due to the provision of the bending portion 112, the positioning of the elastic metal member 11 can be achieved without flattening the end of the elastic metal member 11. Therefore, the cross-sectional shapes of the main body portion 111 and the bending portion 112 can be the same.

[0045] In some embodiments, the cross-sections of the main body 111 and the bent portion 112 are respectively circular, which can better resist the action of external forces, prevent the elastic metal part 11 from deforming during the molding process, and ensure the molding quality of the molded part 12.

[0046] In summary, the embodiments of this application enable the elastic metal part 11 to extend outside the molding cavity for positioning by providing the bending portion 112. This eliminates the need to flatten the elastic metal part 11 for positioning. The circular cross-section of the elastic metal part 11 reduces the likelihood of deformation during molding, thus improving the molding quality of the molded part 12. Furthermore, by providing the bending portion 112, no fixture is needed to extend into the molding cavity during molding, preventing the formation of holes in the molded part 12 and further improving its molding quality.

[0047] Combination Figure 7 In some embodiments, the bent portion 112 includes an arcuate transition section 1121 and a straight extension section 1122, with the arcuate transition section 1121 connecting the main body portion 111 and the straight extension section 1122. The included angle α between the straight extension section 1122 and the portion of the main body portion 111 near the arcuate transition section 1121 is between 70 degrees and 110 degrees. The term "between A and B" as described in this application includes end value A and end value B.

[0048] For example, the included angle α can be 70 degrees, 80 degrees, 90 degrees, 100 degrees, or 110 degrees. If the included angle α between the straight extension segment 1122 and the portion of the main body 111 near the arc transition segment 1121 is too large, the embedding length L of the elastic metal part 11 in the molded part 12 will be too large, resulting in a decrease in the rigidity of the molded part 12. If the included angle α between the straight extension segment 1122 and the portion of the main body 111 near the arc transition segment 1121 is too small, the spacing between the main body 111 and the bent portion 112 will be too small, resulting in a decrease in the rigidity of the molded part 12.

[0049] On the other hand, if the angle α between the straight extension section 1122 and the part of the main body 111 near the arc transition section 1121 is too large or too small, it will also cause the torque generated when clamping the elastic metal part 11 to decrease, resulting in a weakening of the positioning effect.

[0050] In some embodiments, in the extending direction of the portion of the main body 111 near the arcuate transition section 1121, the length L of the elastic metal member 11 embedded in the molded member 12 is no greater than 4 mm. For example, the length L of the elastic metal member 11 embedded in the molded member 12 can be 2 mm, 3 mm, or 4 mm. If the length L of the elastic metal member 11 embedded in the molded member 12 is too large, it will lead to a decrease in the rigidity of the molded member 12. If the length L of the elastic metal member 11 embedded in the molded member 12 is too small, it will affect the reliability of the connection between the elastic metal member 11 and the molded member 12.

[0051] This application provides a method for manufacturing an earphone 1. The method for manufacturing the earphone 1 includes:

[0052] S10: A flexible metal part 11 is provided. The flexible metal part 11 includes a main body 111 and a bending part 112. The main body 111 has a curved structure, and one end of the bending part 112 is bent and connected to the main body 111.

[0053] S20: Position the main body 111 at a first position near the connection between the main body 111 and the bent portion 112.

[0054] S30: Position the bent portion 112 at a second position near the connection point.

[0055] S40: A molded part 12 is covered at the joint by molding.

[0056] Positioning the first and second positions reduces the likelihood of the elastic metal part 11 moving during the molding process, thereby improving the molding quality.

[0057] S50: Remove the portion of the bent portion 112 that is exposed outside the molded part 12, so that the end face of the remaining portion of the bent portion 112 is flush with the outer wall surface of the molded part 12.

[0058] The portion of the bent part 112 exposed outside the molded part 12 has completed its positioning function after the molded part 12 is formed. It no longer contributes to the structure of the earphone 1. On the contrary, it affects the flatness of the appearance of the earphone 1 and the forming of subsequent processes. The portion of the bent part 112 exposed outside the molded part 12 can be cut off, which can facilitate subsequent processes and give the earphone 1 a flat appearance.

[0059] S60: An elastic covering layer 13 is formed on the periphery of the molded part 12.

[0060] The elastic covering layer 13 can cover the molded part 12, giving the earphone 1 a good tactile feel. The elastic covering layer 13 can also cover the exposed gaps on the molded part 12 used for manufacturing, thereby improving the appearance of the earphone 1.

[0061] The above are merely embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. An earphone, characterized in that, The earphone includes an ear hook portion, the ear hook portion comprising: An elastic metal component, comprising a main body and a bent portion, wherein the main body has a curved structure and one end of the bent portion is bent and connected to the main body; A molded part, wherein the molded part is molded to at least cover the connection between the main body and the bent portion, and the other end of the bent portion is exposed from the molded part.

2. The earphone according to claim 1, characterized in that, The bent portion bends outward relative to the main body portion toward the curved structure formed by the main body portion.

3. The earphone according to claim 1, characterized in that, The end face of the other end of the bent portion is flush with the outer wall surface of the molded part and is exposed from the molded part.

4. The earphone according to claim 3, characterized in that, The earphone also includes an elastic covering layer that covers the outside of the molded part and covers the end face.

5. The earphone according to claim 1, characterized in that, The main body and the bent portion have the same cross-sectional shape.

6. The earphone according to claim 5, characterized in that, The cross-sections of the main body and the bent portion are both circular.

7. The earphone according to claim 1, characterized in that, The bending portion includes an arc-shaped transition section and a straight extension section. The arc-shaped transition section connects the main body and the straight extension section. The angle between the straight extension section and the portion of the main body near the arc-shaped transition section is between 70 degrees and 110 degrees.

8. The earphone according to claim 7, characterized in that, In the extending direction of the portion of the main body near the arc-shaped transition section, the length of the elastic metal part embedded in the molded part is no more than 4 mm.

9. The earphone according to claim 1, characterized in that, The headphones also include a sound-producing part, and the ear hook is configured to place the sound-producing part in front of the ear when worn. The sound-producing part has a connecting end and a free end that are arranged opposite to each other. When worn, the free end is inserted into the concha cavity without blocking the external auditory canal. One end of the molded part is connected to the connecting end, and the other end of the molded part covers at least the connection between the main body and the bent part.

10. The earphone according to claim 1, characterized in that, The headphones also include a sound-generating part and a battery part, the ear hook part connects the sound-generating part and the battery part, and the ear hook part is configured to place the sound-generating part in front of the ear and the battery part behind the ear when worn; One end of the molded part is connected to the battery part, and the other end covers at least the connection between the main body part and the bent part. The bent part is disposed at one end of the main body part, and the other end of the main body part is connected to the sound-emitting part.

Images