Headset

Abstract

The embodiment of the invention discloses a headphone, which is characterized in that a head beam part and a sound production part are rotatably connected by utilizing a first connecting end and a second connecting end of a connecting part, and the axial distance between the first connecting end and the second connecting end is limited by utilizing the matching of a first limiting piece and an axial limiting groove. Therefore, when the second connecting end is arranged in the connecting hole, the fixing body is fixed in the fixing hole, so that the limiting body is inserted into the axial limiting groove. Therefore, the assembly process of the head beam part and the sound production part is simplified. On the other hand, the axial limiting groove extends in the circumferential direction of the second connecting end, and when the sound production part rotates relative to the head beam part, the limiting body located in the axial limiting groove can guarantee the connecting stability of the connecting part. Meanwhile, the axial limiting groove with the two ends in the disconnected state can be matched with the limiting body so as to limit the rotation amplitude of the sound production part. The headphone can be conveniently stored, and a cable in the headphone can be protected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of earphones, in particular to a head-mounted earphone. BACKGROUND

[0002] The head beam of the head-mounted earphone is rotationally connected with the earphone shell, so as to facilitate the storage of the head-mounted earphone and enable the earphone shell to better fit the human ear when worn. Meanwhile, the cable also needs to pass through between the head beam and the earphone shell. Therefore, there are certain requirements for the assembly precision between the head beam and the earphone shell. How to optimize the assembly mode and connection mode of the head beam and the earphone shell becomes a problem to be solved. SUMMARY

[0003] Therefore, the embodiment of the present application provides a head-mounted earphone, which sets the first limiting piece in the fixed hole and the axial limiting groove, so as to limit the insertion depth and the rotation amplitude of the second connecting end at the same time through the first limiting piece. Further, the assembly mode and connection mode of the head beam and the earphone shell are optimized.

[0004] According to a first aspect of the embodiment of the present application, a head-mounted earphone is provided, which comprises: a head beam part; a sound generating part; and a connecting part comprising a first connecting end, a second connecting end and a first limiting piece, one of the first connecting end and the second connecting end is arranged in the head beam part, and the other is arranged in the sound generating part, and the first limiting piece comprises a fixed body and a limiting body; the first connecting end has a connecting hole and a fixed hole, the second connecting end has an axial limiting groove, the axial limiting groove is recessed towards the center of the second connecting end and extends along the circumferential direction of the second connecting end, and in the extending direction, the two ends of the axial limiting groove are spaced apart, the fixed body is arranged in the fixed hole, the second connecting end is rotationally limited by an angle in the connecting hole, and at least part of the limiting body is located in the axial limiting groove and moves along the extending direction of the axial limiting groove.

[0005] Further, the connecting hole extends along the axial direction of the first connecting end; the axial limiting groove extends along the first plane, the first plane is perpendicular to the axial direction of the connecting hole, and one end of the fixed hole is formed on the outer surface of the first connecting end, and the other end is formed on the inner surface of the connecting hole and faces the axial limiting groove.

[0006] Further, the limiting body is a columnar structure extending along a straight line, the fixed body is arranged at one end of the columnar structure, and the fixed body has an interference amount with the fixed hole.

[0007] Further, the axial limiting groove comprises an arc segment and a first straight line segment in the extending direction; The first connecting end rotates by a limiting angle along a first direction, the columnar structure moves from the arc segment to the first straight segment, and until the columnar structure abuts against the bottom of the first straight segment.

[0008] Further, the axial limiting groove further comprises a second straight segment in the extending direction, and the arc segment is connected between the first straight segment and the second straight segment. The first connecting end rotates by a limiting angle along a second direction, the columnar structure moves from the arc segment to the second straight segment, and until the columnar structure abuts against the bottom of the second straight segment.

[0009] Further, the fixed body has a knurled structure and an arc surface, the knurled structure abuts against the fixed hole, and the arc surface faces the lateral direction of the connecting hole.

[0010] Further, the number of the connecting parts is two. The number of the sound generating parts is two and each sound generating part is arranged corresponding to the two connecting parts, and the sound generating part is connected to the end of the head beam part through the corresponding connecting part. The two fixed holes are located on the opposite sides of the two connecting parts.

[0011] Further, the first connecting end comprises a first rotating shaft and a first limiting table, and the first limiting table is protruded on the end face of the first rotating shaft. The second connecting end comprises a first shaft sleeve and a second limiting table, the second limiting table is protruded on the inner wall of the first shaft sleeve, the first shaft sleeve is rotatably sleeved on the first rotating shaft, the first shaft sleeve rotates by a limiting angle relative to the first rotating shaft, and the first limiting table abuts against the second limiting table.

[0012] Further, the first limiting table has a first limiting face and a second limiting face, the first limiting face and the second limiting face are opposite and parallel to the axial direction of the first connecting end. The second limiting table has a third limiting face and a fourth limiting face, the third limiting face and the fourth limiting face are opposite and parallel to the axial direction of the second connecting end, the first shaft sleeve rotates by a limiting angle along a first direction, the first limiting face abuts against the third limiting face, the first shaft sleeve rotates by a limiting angle along a second direction, and the second limiting face abuts against the fourth limiting face.

[0013] Further, the first limiting table has a first avoiding face, and the second limiting table has a second avoiding face, the first avoiding face and the second avoiding face are arranged opposite to each other. The first rotating shaft has a first wire passing hole, and the first avoiding face and the second avoiding face are arranged around the first wire passing hole.

[0014] Further, the first avoiding face and the second avoiding face are curved in a direction away from each other. The sound generating part comprises: An earphone shell has a second wire passing hole, the second wire passing hole is arranged corresponding to the first wire passing hole, and the second wire passing hole is a long waist hole; and The first connecting end or the second connecting end is arranged on the support, the support is rotationally connected with the earphone shell, and an axis of rotation is perpendicular to a length direction of the long waist hole.

[0015] Further, the second limiting table has a fifth limiting surface, and the fifth limiting surface is arranged opposite to an end surface of the first rotating shaft; The first shaft sleeve has a sixth limiting surface; The first connecting end has a seventh limiting surface, the first rotating shaft is protruded on the seventh limiting surface, and the seventh limiting surface is arranged opposite to the sixth limiting surface.

[0016] Further, the connecting part further comprises a damping ring; The first rotating shaft has a ring groove, and the damping ring is arranged in the ring groove and abuts against an inner wall of the connecting hole.

[0017] Further, the sound generating part comprises: The earphone shell has a mounting hole; The second limiting part comprises a second shaft sleeve, the second shaft sleeve has a first limiting gap, and the second shaft sleeve is arranged in the mounting hole; and The support comprises a connecting arm, a second rotating shaft and a limiting plate, the second rotating shaft and the limiting plate are arranged on the connecting arm, and the first connecting end or the second connecting end is arranged on the connecting arm; The second rotating shaft is rotatably arranged in the second shaft sleeve, the limiting plate is located in the first limiting gap, the earphone shell is rotationally limited in an angle relative to the support, and the limiting plate abuts against edges of the gap.

[0018] Further, the earphone shell has a second limiting gap, the second limiting gap is communicated with the mounting hole and corresponds to the first limiting gap, the first limiting gap has two eighth limiting surfaces, and the second limiting gap has two ninth limiting surfaces; The limiting plate is extended into the second limiting gap from the first limiting gap, the earphone shell is rotationally limited in an angle relative to the support, and the limiting plate abuts against the eighth limiting surfaces and the ninth limiting surfaces.

[0019] Further, an inner side of the earphone shell has a fixing groove, and the fixing groove is connected with the mounting hole; The second limiting part further comprises a baffle, the second shaft sleeve is protruded on one side of the baffle, the baffle is clamped in the fixing groove, and part of the baffle is arranged opposite to the second rotating shaft.

[0020] Further, the fixing groove comprises two first sliding grooves, the two first sliding grooves are arranged opposite to each other, and an extension direction of the first sliding groove is perpendicular to an axial direction of the mounting hole; The baffle has a deformation groove, two baffle edges of the baffle are clamped in the two first sliding grooves respectively, and the deformation groove is compressed and deformed.

[0021] Further, the head beam part comprises: The fixed beam comprises two extension arms and two sliding members respectively arranged on the two extension arms, and the sliding member has a sliding surface; The two telescopic arms are arranged corresponding to the two extension arms, and the telescopic arm is connected with the sound generating part through a connecting part, the telescopic arm has a receiving cavity, the receiving cavity has a sliding edge and a plurality of limiting teeth, and the sliding edge extends along the length direction of the telescopic arm; and The two elastic sheets are arranged corresponding to the two sliding members, the elastic sheet comprises a bending section, the elastic sheet is arranged on the corresponding sliding member, and the sliding surface is opposite to the bending direction of the bending section; The extension arm extends into the corresponding receiving cavity, and when the sliding surface slides along the sliding edge, the bending section slides along the plurality of limiting teeth and elastically deforms.

[0022] Further, the connecting part has a first wire passing hole; The sliding member has a wire clamping groove, and the receiving cavity is formed in the region between the first wire passing hole and the wire clamping groove to form a wire bin; The headset further comprises a wire cable, the wire cable comprises a middle section, two spiral sections and two connecting sections in the extension direction, the middle section is connected with the two connecting sections through the two spiral sections, the end of the middle section is clamped in the wire clamping groove, the spiral section is arranged in the corresponding wire bin, and the connecting section passes through the corresponding first wire passing hole and extends into the sound generating part.

[0023] Further, the telescopic arm comprises: The main shell has a window and a connecting port, the window extends along the length direction of the telescopic arm, the connecting part is connected with the main shell, the extension arm extends into the main shell from the connecting port, the inner wall of the main shell has a plurality of limiting teeth, a sliding edge and a plurality of positioning protrusions, and the plurality of positioning protrusions are arranged along the length direction of the telescopic arm; and The cover body comprises a main plate, a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are connected with the main plate, the first positioning plate corresponds to the window edge in the length direction of the window, the second positioning plate corresponds to the window edge in the width direction of the window, the first positioning plate has a plurality of positioning grooves corresponding to the plurality of positioning protrusions; The cover body is arranged on the window and forms a receiving cavity with the main shell, the main plate is spliced with the window edge, the first positioning plate and the second positioning plate extend into the receiving cavity and abut against the inner wall of the receiving cavity, and the positioning protrusions are clamped in the corresponding positioning grooves.

[0024] The headset of the embodiment of the present application utilizes the first connecting end and the second connecting end of the connecting part to rotationally connect the head beam part and the sound generating part, and utilizes the cooperation of the first limiting part and the axial limiting groove to limit the axial distance of the first connecting end and the second connecting end. Thus, when the second connecting end is arranged in the connecting hole, the fixing body is fixed in the fixing hole, so that the limiting body is inserted into the axial limiting groove. Therefore, the assembly process of the head beam part and the sound generating part is simplified. On the other hand, the axial limiting groove extends along the circumference of the second connecting end, and the two ends of the axial limiting groove are not communicated. When the sound generating part rotates relative to the head beam part, the limiting body in the axial limiting groove can ensure the stability of the connection of the connecting part. At the same time, the axial limiting groove in the disconnected state at the two ends can cooperate with the limiting body to limit the rotation amplitude of the sound generating part. This is helpful for storing the headset and protecting the cable inside the headset. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and other objects, features and advantages of the present application will become more apparent from the following description of embodiments of the present application taken in conjunction with the accompanying drawings, in which: Figure 1 is a structural schematic view of one side of the headset of the embodiment of the present application; Figure 2 is an exploded schematic view of one side of the headset of the embodiment of the present application; Figure 3 is an exploded schematic view of the other side of the headset of the embodiment of the present application; Figure 4 is an exploded schematic view of one side of the connecting part of the embodiment of the present application; Figure 5 is an exploded schematic view of the other side of the connecting part of the embodiment of the present application; Figure 6 is a schematic view of the movement state of the connecting part of the embodiment of the present application; Figure 7 is Figure 3 is a partial schematic view in the direction of arrow A in FIG. 8; Figure 8 is a partial sectional schematic view of one side of the head beam part of the embodiment of the present application; Figure 9 is a partial sectional schematic view of the other side of the head beam part of the embodiment of the present application.

[0026] Explanation of Reference Signs: 1- connecting part; 11- first connecting end; 111- connecting hole; 112- fixing hole; 12- second connecting end; 121- axial limiting groove; 1211- first straight line segment; 1212- second straight line segment; 1213- arc-shaped segment; 13- first rotation shaft; 131- first through hole; 132- ring groove; 14 - first limiting platform; 141 - first avoiding surface; 15 - first shaft sleeve; 16 - second limiting platform; 161 - second avoiding surface; 17 - damping ring; 2 - head beam part; 21 - fixed beam; 211 - extension arm; 212 - sliding member; 2121 - sliding surface; 2122 - wire clamping groove; 22 - telescopic arm; 221 - accommodating cavity; 2211 - sliding edge; 2212 - limiting protrusion; 2213 - wire cartridge; 23 - elastic sheet; 231 - curved section; 3 - sound production part; 31 - earphone shell; 311 - second wire passing hole; 312 - mounting hole; 313 - second limiting notch; 314 - fixed groove; 315 - first sliding groove; 32 - support; 321 - connecting arm; 322 - second rotating shaft; 323 - limiting plate; 41 - first limiting member; 411 - fixed body; 4111 - knurl structure; 4112 - arc surface; 412 - limiting body; 42 - second limiting member; 421 - second shaft sleeve; 4211 - first limiting notch; 422 - baffle; 4221 - deformation groove; 51 - first limiting surface; 52 - second limiting surface; 53 - third limiting surface; 54 - fourth limiting surface; 55 - fifth limiting surface; 56 - sixth limiting surface; 57 - seventh limiting surface; 58 - eighth limiting surface; 59 - ninth limiting surface; 6 - cable; 61 - middle section; 62 - spiral section; 63 - connecting section; 71 - main shell; 711 - window; 712 - connecting port; 713 - positioning protrusion; 72 - cover body; 721 - first positioning plate; 7211 - positioning groove; 722 - second positioning plate; 723 - main plate. DETAILED DESCRIPTION

[0027] The present application is described in detail below based on examples, but the present application is not limited to only these examples. In the following detailed description of the present application, some specific details are described in detail. The present application can also be completely understood without the description of these details by those skilled in the art. In order to avoid confusion of the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0028] In addition, those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes only and the drawings are not necessarily drawn to scale.

[0029] Unless the context clearly requires otherwise, throughout the application, the general term "comprise", "comprising" and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".

[0030] In the description of the application, it is to be understood that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0031] Unless specifically stated otherwise, and as can be apparent from the disclosure, the terms "mounting", "connected", "connecting", "coupled", "fixed", and "secured" are used generically and means to be connected, either directly or indirectly, such as using a intermediary wired or wireless pathway, that can allow motions, disconnections or relative movement of the elements; and can be fixed in place, interconnected, coupled, or be part of integral body, unless expressly stated otherwise. The specific connections of the elements in the drawings are those being used for ease of illustration and understanding the application.

[0032] For ease of description, spatially relative terms such as "inner", "outer", "beneath", "below", "lower", "above", "upper", and the like, can be used herein for the purpose of illustrating one element or feature's relationship to another element or feature within a figure. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", etc. do not necessarily denote any ordinal, chronological or other sortable order but are merely used to distinguish one element from another.

[0033] Figure 1 is a structural schematic diagram of a headset of the embodiment. Figure 2 and Figure 3 is an exploded schematic diagram of a headset of the embodiment.

[0034] In some embodiments, as shown in Figures 1-3 the headset comprises two connecting parts 1, a headband part 2 and two sound producing parts 3. The headset can be configured as a wired headset or a wireless headset. The sound producing parts 3 can be provided with devices such as loudspeakers, microphones and Bluetooth modules. The connecting part 1 comprises a first connecting end 11, a second connecting end 12 and a first limiting part 41. One of the first connecting end 11 and the second connecting end 12 is arranged on the headband part 2, and the other is arranged on the sound producing part 3.

[0035] Optionally, the connecting part 1 is configured such that the first connecting end 11 is arranged at the head beam part 2, and the second connecting end 12 is arranged at the sound production part 3, or the first connecting end 11 is arranged at the sound production part 3, and the second connecting end 12 is arranged at the head beam part 2. As shown in Figures 1-2 for example, when the first connecting end 11 is arranged at the sound production part 3, the first connecting end 11 can be integrally formed with part of the structure of the sound production part 3, and the second connecting end 12 can be integrally formed with part of the structure of the head beam part 2.

[0036] Figure 4 and Figure 5 is an exploded schematic view of the connecting part 1 of the embodiment. Figure 4 The rotation axis III and the rotation axis IV are also shown in

[0037] Further referring to Figures 4-5 , the first connecting end 11 has a connecting hole 111 and a fixing hole 112, and the second connecting end 12 has an axial limiting groove 121 which is recessed towards the center of the second connecting end 12 and extends along the circumferential direction of the second connecting end 12. That is, the axial limiting groove 121 is recessed towards the center from the outer side of the second connecting end 12. In the extending direction of the axial limiting groove 121, the two ends of the axial limiting groove 121 are arranged at intervals. That is, the two ends of the axial limiting groove 121 extend in opposite directions and are not connected, so that the axial limiting groove 121 is discontinuous in the circumferential direction.

[0038] Figure 6 is a schematic view of the motion state of the connecting part 1 of the embodiment. The outlines of the axial limiting groove 121 and the first limiting member 14 in the figure are shown with thick solid lines. Among them, the rotation angle corresponding to state Ia and state Ib, the rotation angle corresponding to state IIa and state IIb.

[0039] Further referring to Figure 6 , the first limiting member 41 includes a fixing body 411 and a limiting body 412. The fixing body 411 is arranged at the fixing hole 112. When the second connecting end 12 rotates by a limiting angle (as shown by the arrow a1 in the figure) at the connecting hole 111, at least part of the limiting body 412 is located in the axial limiting groove 121 and moves along the extending direction of the axial limiting groove 121.

[0040] In conclusion, the headset in the embodiment is connected with the sound generating part 3 through the first connecting end 11 and the second connecting end 12 of the connecting part 1, and the axial distance between the first connecting end 11 and the second connecting end 12 is limited through the cooperation between the first limiting part 41 and the axial limiting slot 121. Thus, when the second connecting end 12 is arranged in the connecting hole 111, the fixing body 411 is fixed in the fixing hole 112, and the limiting body 412 is inserted into the axial limiting slot 121. Therefore, the assembly process of the head beam part 2 and the sound generating part 3 is simplified. On the other hand, the axial limiting slot 121 extends along the circumference of the second connecting end 12, and when the sound generating part 3 rotates relative to the head beam part 2, the limiting body 412 in the axial limiting slot 121 can ensure the stability of the connection between the connecting part 1. At the same time, the axial limiting slot 121 with both ends in the disconnected state can cooperate with the limiting body 412 to limit the rotation amplitude of the sound generating part 3. This is helpful for storing the headset and protecting the cable 6 inside the headset.

[0041] In some embodiments, as shown in Figures 3-5 the connecting hole 111 extends along the axial direction of the first connecting end 11. The axial limiting slot 121 extends along the first plane which is perpendicular to the axial direction of the connecting hole 111, and one end of the fixing hole 112 is formed on the outer surface of the first connecting end 11, and the other end is formed on the inner surface of the connecting hole 111 and faces the axial limiting slot 121. Thus, the operator can insert the limiting body 412 into the connecting hole 111 from the side of the first connecting end 11 through the fixing hole 112 to simplify the installation step of the first limiting part 41.

[0042] Optionally, the fixing hole 112 can extend along a straight line or in a curved manner. When the fixing hole 112 extends in a curved manner, the first limiting part 41 can also be configured to have a certain curvature, so that the first limiting part 41 can be inserted into the connecting hole 111 through the fixing hole 112.

[0043] In some embodiments, as shown in Figure 6 the limiting body 412 is a columnar structure extending along a straight line. The fixing body 411 is arranged at one end of the columnar structure, and the fixing body 411 has an interference amount with the fixing hole 112. The operator can use a tool to fix the first connecting end 11 and the second connecting end 12, and then use a pressing device to press the fixing body 411 into the connecting hole 111 to prevent the first limiting part 41 from being pulled out of the fixing hole 112.

[0044] In some embodiments, as shown in Figure 6 the axial limiting slot 121 includes an arc segment 1213 and a first straight segment 1211 in the extension direction. The first connecting end 11 rotates by a limiting angle (along the direction shown by the arrow a1 in the figure) in the first direction (along the arrow a2 in the figure) relative to the second connecting end 12, and the limiting body 412 in the axial limiting slot 121 can limit the rotation amplitude of the sound generating part 3. Figure 4When the first connecting end 11 rotates by the rotation limiting angle along the second direction, the columnar structure moves from the arc-shaped section 1213 to the first straight section 1211 until the columnar structure abuts against the bottom of the first straight section 1211. In this way, the rotation range of the sound production part 3 is limited by the cooperation of the first straight section 1211 and the limiting body 412, and the contact area between the limiting body 412 and the axial limiting groove 121 can be increased to ensure the positioning accuracy.

[0045] In some embodiments, as shown in Figure 6 the axial limiting groove 121 further includes a second straight section 1212 in the extension direction, and the arc-shaped section 1213 is connected between the first straight section 1211 and the second straight section 1212. When the first connecting end 11 rotates by the rotation limiting angle along the second direction, the columnar structure moves from the arc-shaped section 1213 to the second straight section 1212 until the columnar structure abuts against the bottom of the second straight section 1212.

[0046] Preferably, as shown in Figure 6 the bottom surface of the arc-shaped section 1213 is a circular arc, and the bottom surfaces of the first straight section 1211 and the second straight section 1212 are straight lines and are tangent to the circular arc in the direction of the cross section perpendicular to the axial direction of the first connecting end 11. When the limiting body 412 abuts against the first straight section 1211, the fixing hole 112 is parallel to the first straight section 1211. When the limiting body 412 abuts against the second straight section 1212, the fixing hole 112 is parallel to the second straight section 1212. In this way, the directions of the normal pressures applied by the first straight section 1211 and the second straight section 1212 to the limiting body 412 are perpendicular to the axial direction of the fixing hole 112. Further, the above-mentioned normal pressures effectively prevent the second limiting member 42 from being pushed out of the fixing hole 112. Those skilled in the art can adjust the included angle between the first straight section 1211 and the second straight section 1212 to change the rotation range of the sound production part 3.

[0047] Optionally, the first straight section 1211 and the second straight section 1212 are arranged in parallel, so that the axial limiting groove 121 forms a U-shaped groove. The sound production part 3 can rotate by 180 degrees, as shown in Figure 1 the right sound production part 3 in the figure, when the limiting body 412 abuts against the first straight section 1211, the sound outlet of the sound production part 3 faces upward. When the limiting body 412 abuts against the second straight section 1212, the sound outlet of the sound production part 3 faces downward. When the headset is in the wearing state, the limiting body 412 is located in the arc-shaped section 1213 (as shown in state la in Figure 6 the figure). In this way, the headset has at least two storage modes.

[0048] In some embodiments, as shown in Figure 6As shown, the fixing body 411 has a knurled structure 4111 and an arc surface 4112. The knurled structure 4111 abuts against the fixing hole 112, and the arc surface 4112 faces the lateral side of the connecting hole 111. The knurled structure 4111 in this embodiment can prevent the second limiting member 42 from moving along the axial direction of the fixing hole 112 or rotating in the fixing hole 112.

[0049] In some embodiments, as shown in Figures 1-3 The number of the connecting portions 1 is two. The number of the sound generating portions 3 is two and each sound generating portion 3 is arranged corresponding to one connecting portion 1, and the sound generating portion 3 is connected to the end of the head beam portion 2 through the corresponding connecting portion 1. The two fixing holes 112 are located on the opposite sides of the two connecting portions 1. When the headphone is worn by the wearer, the fixing hole 112 faces the head of the wearer. Further, the fixing hole 112 is hidden, so that the headphone is more beautiful.

[0050] In some embodiments, as shown in Figures 4-5 The first connecting end 11 includes a first rotating shaft 13 and a first limiting platform 14, and the first limiting platform 14 is protruded from the end surface of the first rotating shaft 13. The second connecting end 12 includes a first shaft sleeve 15 and a second limiting platform 16, and the second limiting platform 16 is protruded from the inner wall of the first shaft sleeve 15. Further referring to the state Ib and the state IIb in Figure 6 As shown, the first shaft sleeve 15 is rotatably sleeved on the first rotating shaft 13, the first shaft sleeve 15 is rotationally limited relative to the first rotating shaft 13 by a limiting angle, and the first limiting platform 14 abuts against the second limiting platform 16. The first limiting platform 14 and the second limiting platform 16 in this embodiment can increase the limiting precision of the sound generating portion 3.

[0051] In some embodiments, as shown in Figure 6 The first limiting platform 14 has a first limiting surface 51 and a second limiting surface 52. The first limiting surface 51 is opposite to the second limiting surface 52 and parallel to the axial direction of the first connecting end 11. The second limiting platform 16 has a third limiting surface 53 and a fourth limiting surface 54, and the third limiting surface 53 is opposite to the fourth limiting surface 54 and parallel to the axial direction of the second connecting end 12. The first shaft sleeve 15 is rotated by a limiting angle along a first direction (as shown by the arrow a1 in the figure), and the first limiting surface 51 abuts against the third limiting surface 53 (the limiting body 412 abuts against the first straight line segment 1211). The first shaft sleeve 15 is rotated by a limiting angle along a second direction, and the second limiting surface 52 abuts against the fourth limiting surface 54 (the limiting body 412 abuts against the second straight line segment 1212).

[0052] The first limiting surface 51 and the third limiting surface 53 in the embodiment can limit the sound production part 3 together with the first straight line segment 1211, and the second limiting surface 52 and the fourth limiting surface 54 can limit the sound production part 3 together with the second straight line segment 1212. The rotation amplitude of the sound production part 3 can be changed by controlling the distance between the first limiting surface 51 and the third limiting surface 53 and the distance between the second limiting surface 52 and the fourth limiting surface 54.

[0053] In some embodiments, as shown in Figure 6 , the first limiting table 14 has a first avoiding surface 141. The second limiting table 16 has a second avoiding surface 161, and the first avoiding surface 141 is arranged opposite to the second avoiding surface 161. The first rotating shaft 13 has a first wire passing hole 131, and the first avoiding surface 141 and the second avoiding surface 161 are arranged around the first wire passing hole 131. In the embodiment, the first avoiding surface 141 and the second avoiding surface 161 are used to avoid the cable 6, so as to prevent the first limiting table 14 and the second limiting table 16 from interfering with the cable 6.

[0054] In some embodiments, as shown in Figure 6 , the first avoiding surface 141 and the second avoiding surface 161 are curved away from each other. Further referring to Figure 3 , the sound production part 3 includes an earphone shell 31 and a support 32. The earphone shell 31 has a second wire passing hole 311, and the second wire passing hole 311 is arranged corresponding to the first wire passing hole 131. The second wire passing hole 311 is a long waist hole. Further referring to Figure 4 , the first connecting end 11 or the second connecting end 12 is arranged on the support 32, and the support 32 is rotationally connected with the earphone shell 31, and the rotation axis (as shown by the dotted line III in Figure 4 ) is perpendicular to the length direction of the long waist hole.

[0055] It is easy to understand that the connecting segment 63 of the cable 6 is electrically connected with the loudspeaker, power supply or communication module in the earphone shell 31. As shown in the state Ib of Figure 6 , when the earphone shell 31 rotates on the support 32, the connecting segment 63 can swing along the length direction of the long waist hole, so as to prevent the second wire passing hole 311 and the connecting segment 63 from rubbing each other and avoid pulling the cable 6. In this form, the first avoiding surface 141 and the second avoiding surface 161 which are curved can form a cable accommodating area, so as to reduce the mutual friction between the cable 6 and the second limiting table 16 and the first limiting table 14, and also reduce the situation that the connecting segment 63 slides between the first limiting surface 51 and the third limiting surface 53 or between the second limiting surface 52 and the fourth limiting surface 54.

[0056] In some embodiments, as shown in Figures 4-5As shown, the second limiting platform 16 has a fifth limiting surface 55, which is arranged opposite to the end surface of the first rotating shaft 13. The first shaft sleeve 15 has a sixth limiting surface 56. The first connecting end 11 has a seventh limiting surface 57, and the first rotating shaft 13 is protruded from the seventh limiting surface 57, which is arranged opposite to the sixth limiting surface 56. In the assembly of the head beam part 2 and the sound generating part 3, the seventh limiting surface 57 and the sixth limiting surface 56 and the fifth limiting surface 55 and the end surface of the first rotating shaft 13 can limit the insertion depth of the first rotating shaft 13, so that the axial limiting groove 121 and the fixing hole 112 are substantially corresponding, and the assembly difficulty of the first limiting part 41 is reduced.

[0057] In some embodiments, as shown in Figure 4 As shown, the connecting part 1 further comprises a damping ring 17. The first rotating shaft 13 has a ring groove 132. The damping ring 17 is arranged in the ring groove 132 and abuts against the inner wall of the connecting hole 111. In the rotation of the connecting part 1, the damping ring 17 in the embodiment can provide damping and optimize the rotation feeling of the wearer. At the same time, when the headphone moves, the shaking of the sound generating part 3 can be avoided.

[0058] Figure 7 is Figure 3 the local schematic view in the direction of arrow A.

[0059] In some embodiments, as shown in Figure 3 As shown, the sound generating part 3 comprises a headphone shell 31, a second limiting part 42 and a support 32. The headphone shell 31 has a mounting hole 312. The second limiting part 42 comprises a second shaft sleeve 421, which has a first limiting notch 4211, and is arranged in the mounting hole 312. Further referring to Figure 4 As shown, the support 32 comprises a connecting arm 321, a second rotating shaft 322 and a limiting plate 323. The second rotating shaft 322 and the limiting plate 323 are arranged in the connecting arm 321, and the first connecting end 11 or the second connecting end 12 is arranged in the connecting arm 321. Further referring to Figure 7 As shown, the second rotating shaft 322 is rotatably arranged in the second shaft sleeve 421, and the limiting plate 323 is located in the first limiting notch 4211. When the headphone shell 31 rotates relative to the support 32 by a limiting angle (as shown by angle θ in Figure 7 ), the limiting plate 323 abuts against the edge of the notch. In this way, the rotation amplitude of the headphone shell 31 is limited, and excessive pulling of the cable 6 is avoided.

[0060] In some embodiments, as shown in Figure 3 As shown, the headphone shell 31 has a second limiting notch 313. The second limiting notch 313 is in communication with the mounting hole 312 and corresponds to the first limiting notch 4211. Further referring to Figure 7 ​As shown, the first limiting notch 4211 has two eighth limiting surfaces 58, and the second limiting notch 313 has two ninth limiting surfaces 59. The limiting plate 323 is extended into the second limiting notch 313 from the first limiting notch 4211, and the earphone shell 31 is limited to rotate at a certain angle relative to the support 32, and the limiting plate 323 abuts against the eighth limiting surfaces 58 and the ninth limiting surfaces 59. In this embodiment, the second limiting notch 313 is used to increase the contact area of the limiting plate 323, thereby improving the limiting precision. The eighth limiting surfaces 58 and the ninth limiting surfaces 59 on the same side of the limiting plate 323 are arranged to be inclined and in the same plane, so as to facilitate the contact between the limiting plate 323 and the eighth limiting surfaces 58 and the ninth limiting surfaces 59.

[0061] In some embodiments, as shown in Figure 2 , the inner side of the earphone shell 31 has a fixing groove 314 connected with the mounting hole 312. Further referring to Figure 3 , the second limiting member 42 further includes a baffle 422, the second shaft sleeve 421 is protruded on one side of the baffle 422, the baffle 422 is clamped in the fixing groove 314, and part of the baffle 422 is arranged opposite to the second rotating shaft 322. The baffle 422 in this embodiment is used to fix the second limiting member 42 in the fixing groove 314, and at the same time, the baffle 422 is used to limit the insertion depth of the second rotating shaft 322.

[0062] In some embodiments, as shown in Figure 3 and Figure 7 , the fixing groove 314 includes two first sliding grooves 315, the two first sliding grooves 315 are arranged opposite to each other, and the extension direction of the first sliding groove 315 is perpendicular to the axial direction of the mounting hole 312. The baffle 422 has a deformation groove 4221, and the two plate edges of the baffle 422 are clamped in the two first sliding grooves 315 respectively, and the deformation groove 4221 is compressed and deformed.

[0063] Optionally, the second limiting member 42 has a certain deformation ability (for example, soft plastic). The baffle 422 can be inserted between the two sliding grooves from above the fixing groove 314 (as shown by the arrow a1 in Figure 7 ), and in this process, the deformation groove 4221 is compressed (as shown by the arrow a2 in Figure 7 ), so as to generate an elastic force. Thus, the two sides of the baffle 422 are stably abutted on the two first sliding grooves 315. The second limiting member 42 is prevented from loosening.

[0064] Figure 8 and Figure 9 are partial sectional views of the head beam part 2 of this embodiment.

[0065] In some embodiments, as shown in Figure 1 , Figure 2 , Figure 8 and Figure 9As shown, the head beam part 2 includes a fixed beam 21, two telescopic arms 22 and two elastic pieces 23. The fixed beam 21 includes two extension arms 211 and two sliding members 212 respectively arranged on the two extension arms 211, and the sliding member 212 has a sliding surface 2121. The two telescopic arms 22 are arranged correspondingly to the two extension arms 211, and the telescopic arm 22 is connected with the sound producing part 3 through the connecting part 1. The telescopic arm 22 has a receiving cavity 221, and the receiving cavity 221 has a sliding edge 2211 extending along the length direction of the telescopic arm 22 and a plurality of limiting convex teeth 2212. The two elastic pieces 23 are arranged correspondingly to the two sliding members 212, and the elastic piece 23 includes a bending section 231. The elastic piece 23 is arranged on the corresponding sliding member 212, and the sliding surface 2121 is opposite to the bending direction of the bending section 231. The extension arm 211 extends into the corresponding receiving cavity 221, and when the sliding surface 2121 slides along the sliding edge 2211, the bending section 231 slides along the plurality of limiting convex teeth 2212 and elastically deforms.

[0066] Specifically, the sliding member 212 is arranged at the end of the extension arm 211. When the wearer pushes and pulls the telescopic arm 22, the bending section 231 can limit the moving position of the telescopic arm 22, so that the telescopic arm 22 is kept at a predetermined position. In addition, the two ends of the elastic piece 23 are bent towards the sliding member 212 and are clamped with the sliding member 212. Each sliding member 212 has two sliding surfaces 2121, which are respectively located on the two sides of the elastic piece 23. The setting direction of the sliding surface 2121 can provide a pushing force for the bending section 231.

[0067] In some embodiments, as shown in Figure 8 The sliding member 212 has a wire clamping groove 2122, and the receiving cavity 221 is located in the region between the first wire passing hole 131 and the wire clamping groove 2122 to form a wire bin 2213. Further referring to Figure 2 As shown, the headset further includes a wire 6. The wire 6 includes a middle section 61, two spiral sections 62 and two connecting sections 63 in the extension direction. The middle section 61 is connected with the two spiral sections 62 and the two connecting sections 63, and the end of the middle section 61 is clamped in the wire clamping groove 2122. The spiral section 62 is arranged in the corresponding wire bin 2213, and the connecting section 63 passes through the corresponding first wire passing hole 131 and extends into the sound producing part 3.

[0068] The spiral section 62 in the embodiment has a certain elasticity. When the telescopic arm 22 is pulled out, the space of the wire bin 2213 increases, and the spiral section 62 is elongated to extend the overall arrangement length of the wire 6. The two wire clamping grooves 2122 can avoid pulling the middle section 61.

[0069] In some embodiments, as shown in Figure 1 The telescopic arm 22 includes a main shell 71 and a cover 72. Further referring to Figure 3And Figure 8 As shown in the figure, the main shell 71 has a window 711 and a connecting port 712. The window 711 extends along the length direction of the telescopic arm 22, the connecting part 1 is connected with the main shell 71, and the extension arm 211 extends into the main shell 71 from the connecting port 712. The inner wall of the main shell 71 has a plurality of limiting convex teeth 2212, a sliding rim 2211 and a plurality of positioning protrusions 713 arranged along the length direction of the telescopic arm 22. The cover 72 includes a main plate 723, a first positioning plate 721 and a second positioning plate 722. The first positioning plate 721 and the second positioning plate 722 are connected with the main plate 723, and the first positioning plate 721 corresponds to the window edge in the length direction of the window 711, and the second positioning plate 722 corresponds to the window edge in the width direction of the window 711. The first positioning plate 721 has a plurality of positioning grooves 7211 corresponding to the plurality of positioning protrusions 713. The cover 72 is covered on the window 711 and forms a containing cavity 221 with the main shell 71. The main plate 723 is spliced with the window edge of the window 711, the first positioning plate 721 and the second positioning plate 722 extend into the containing cavity 221 and abut against the inner wall of the containing cavity 221, and the positioning protrusions 713 are clamped in the corresponding positioning grooves 7211.

[0070] Specifically, the extension arm 211 is clamped together with the sliding piece 212 after extending into the main shell 71. The number of the first positioning plate 721 is two and is located on both sides of the main plate 723 to increase the fixing strength. The operator can first insert the two second positioning plates 722 into the window edge on one side of the window 711, and then insert the first positioning plate 721 into the inner side of the main shell 71, and make the plurality of positioning protrusions 713 and the plurality of positioning grooves 7211 clamped in sequence. Thus, the structural strength of the telescopic arm 22 is increased, and the sealing property of the telescopic arm 22 is improved.

[0071] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A headset, characterized in that, The headset comprises: a head beam part; a sound generating part; and a connecting part comprising a first connecting end, a second connecting end and a first limiting member, one of the first connecting end and the second connecting end is arranged on the head beam part, and the other is arranged on the sound generating part, the first limiting member comprises a fixing body and a limiting body; the first connecting end has a connecting hole and a fixing hole, the second connecting end has an axial limiting groove, the axial limiting groove is recessed towards the center of the second connecting end and extends along the circumferential direction of the second connecting end, and in the extending direction, the two ends of the axial limiting groove are spaced apart, the fixing body is arranged in the fixing hole, and the second connecting end rotates by a limiting angle in the connecting hole, and at least part of the limiting body is located in the axial limiting groove and moves along the extending direction of the axial limiting groove.

2. The headset of claim 1, wherein, The connecting hole extends along the axial direction of the first connecting end; the axial limiting groove extends along a first plane, the first plane is perpendicular to the axial direction of the connecting hole, and one end of the fixing hole is formed on the outer surface of the first connecting end, and the other end is formed on the inner surface of the connecting hole and faces the axial limiting groove.

3. The headset of claim 2, wherein, The limiting body is a columnar structure extending along a straight line, the fixing body is arranged at one end of the columnar structure, and the fixing body and the fixing hole have an interference amount.

4. The headset of claim 3, wherein, The axial limiting groove comprises an arc segment and a first straight line segment in the extending direction; the first connecting end rotates by a limiting angle in a first direction, the columnar structure moves from the arc segment to the first straight line segment, and until the columnar structure abuts against the bottom of the first straight line segment.

5. The headset of claim 4, wherein, The axial limiting groove further comprises a second straight line segment in the extending direction, and the arc segment is connected between the first straight line segment and the second straight line segment; the first connecting end rotates by a limiting angle in a second direction, the columnar structure moves from the arc segment to the second straight line segment, and until the columnar structure abuts against the bottom of the second straight line segment.

6. The headset of claim 3, wherein, The fixing body has a knurled structure and a curved surface, the knurled structure abuts against the fixing hole, and the curved surface faces the lateral direction of the connecting hole.

7. The headset of any one of claims 1-6, wherein, The number of the connecting parts is two; the number of the sound generating parts is two and is arranged corresponding to the two connecting parts respectively, and the sound generating parts are connected with the end part of the head beam part through the corresponding connecting parts; the two fixing holes are located on the opposite sides of the two connecting parts.

8. The headset of any one of claims 1-6, wherein, The first connecting end comprises a first rotating shaft and a first limiting table, and the first limiting table is protruded on the end face of the first rotating shaft; the second connecting end comprises a first shaft sleeve and a second limiting table, the second limiting table is protruded on the inner wall of the first shaft sleeve, the first shaft sleeve is rotatably sleeved on the first rotating shaft, the first shaft sleeve rotates by a limiting angle relative to the first rotating shaft, and the first limiting table abuts against the second limiting table.

9. The headset of claim 8, wherein, The first limiting table has a first limiting surface and a second limiting surface, the first limiting surface and the second limiting surface are opposite to each other and parallel to the axial direction of the first connecting end; The second limiting table has a third limiting surface and a fourth limiting surface, the third limiting surface is opposite to the fourth limiting surface and parallel to the axial direction of the second connecting end, the first shaft sleeve rotates by a limiting angle in a first direction, the first limiting surface abuts against the third limiting surface, the first shaft sleeve rotates by a limiting angle in a second direction, and the second limiting surface abuts against the fourth limiting surface.

10. The headset of claim 9, wherein, The first limiting table has a first avoiding surface, and the second limiting table has a second avoiding surface, the first avoiding surface is arranged opposite to the second avoiding surface; The first shaft has a first wire passing hole, and the first avoiding surface and the second avoiding surface are arranged around the first wire passing hole.

11. The headset of claim 10, wherein, The first avoiding surface and the second avoiding surface are curved in a direction away from each other. The sound generating part comprises: An earphone shell has a second wire passing hole, the second wire passing hole is arranged corresponding to the first wire passing hole, and the second wire passing hole is a long waist hole; and A support, the first connecting end or the second connecting end is arranged on the support, the support is rotationally connected with the earphone shell, and the rotation axis is perpendicular to the length direction of the long waist hole.

12. The headset of claim 8, wherein, The second limiting table has a fifth limiting surface, the fifth limiting surface is arranged opposite to the end surface of the first shaft; The first shaft sleeve has a sixth limiting surface; The first connecting end has a seventh limiting surface, the first shaft is protruded on the seventh limiting surface, and the seventh limiting surface is arranged opposite to the sixth limiting surface.

13. The headset of claim 8, wherein, The connecting part further comprises a damping ring; The first shaft has a ring groove, and the damping ring is arranged in the ring groove and abuts against the inner wall of the connecting hole.

14. The headset of any one of claims 1-6, wherein, The sound generating part comprises: An earphone shell has a mounting hole; A second limiting piece comprises a second shaft sleeve, the second shaft sleeve has a first limiting notch, and the second shaft sleeve is arranged in the mounting hole; and A support, the support comprises a connecting arm, a second shaft and a limiting plate, the second shaft and the limiting plate are arranged on the connecting arm, and the first connecting end or the second connecting end is arranged on the connecting arm; The second shaft is rotatably arranged in the second shaft sleeve, the limiting plate is located in the first limiting notch, the earphone shell rotates by a limiting angle relative to the support, and the limiting plate abuts against the edge of the notch.

15. The headset of claim 14, wherein, The earphone shell has a second limiting notch, the second limiting notch is communicated with the mounting hole and corresponds to the first limiting notch, the first limiting notch has two eighth limiting surfaces, and the second limiting notch has two ninth limiting surfaces; The limiting plate is extended into the second limiting notch from the first limiting notch, the earphone shell rotates by a limiting angle relative to the support, and the limiting plate abuts against the eighth limiting surface and the ninth limiting surface.

16. The headset of claim 14, wherein, The inner side of the earphone shell has a fixing groove, the fixing groove is connected with the mounting hole; The second limiting piece further comprises a baffle, the second shaft sleeve is protruded on one side of the baffle, the baffle is clamped in the fixing groove, and part of the baffle is arranged opposite to the second shaft.

17. The headset of claim 16, wherein, The fixing groove comprises two first sliding grooves, the two first sliding grooves are arranged opposite to each other, and the extension direction of the first sliding groove is perpendicular to the axial direction of the mounting hole; The baffle has a deformation groove, two plate edges of the baffle are respectively clamped on two first sliding channels, and the deformation groove is compressed and deformed.

18. The headset of any one of claims 1-6, wherein, The head beam part comprises: A fixed beam comprises two extension arms and two sliding members respectively arranged on the two extension arms, and the sliding members have sliding surfaces. Two telescopic arms are arranged corresponding to the two extension arms, the telescopic arms are connected with the sound production part through the connecting part, the telescopic arms have accommodating cavities, the accommodating cavities have sliding edges and a plurality of limiting teeth, and the sliding edges extend along the length direction of the telescopic arms. Two elastic sheets are arranged corresponding to the two sliding members, the elastic sheets comprise curved sections, the elastic sheets are arranged on the corresponding sliding members, and the sliding surfaces are opposite to the bending directions of the curved sections. When the extension arms extend into the corresponding accommodating cavities and the sliding surfaces slide along the sliding edges, the curved sections slide along the plurality of limiting teeth and elastically deform.

19. The headset of claim 18, wherein, The connecting part has a first wire passing hole; The sliding members have wire clamping grooves, and the accommodating cavities are located in the region between the first wire passing hole and the wire clamping grooves to form wire warehouses; The headset further comprises a wire cable, the wire cable comprises a middle section, two spiral sections and two connecting sections in the extension direction, the middle section is connected with the two connecting sections through the two spiral sections, the end of the middle section is clamped in the wire clamping groove, the spiral sections are arranged in the corresponding wire warehouses, and the connecting sections pass through the corresponding first wire passing holes and extend into the sound production part.

20. The headset of claim 18, wherein, The telescopic arm comprises: A main shell has a window and a connecting port, the window extends along the length direction of the telescopic arm, the connecting part is connected with the main shell, the extension arm extends into the main shell from the connecting port, the inner wall of the main shell has a plurality of limiting teeth, the sliding edge and a plurality of positioning protrusions, and the plurality of positioning protrusions are arranged along the length direction of the telescopic arm; and A cover body comprises a main plate, a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are connected with the main plate, the first positioning plate corresponds to the window edge in the length direction of the window, the second positioning plate corresponds to the window edge in the width direction of the window, the first positioning plate has a plurality of positioning grooves corresponding to the plurality of positioning protrusions. The cover body covers the window and forms the accommodating cavity with the main shell, the main plate and the window edge are spliced, the first positioning plate and the second positioning plate extend into the accommodating cavity and abut against the inner wall of the accommodating cavity, and the positioning protrusions are clamped in the corresponding positioning grooves.

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