CN217216861U

CN217216861U - Bluetooth earphone

Info

Publication number: CN217216861U
Application number: CN202220640160.2U
Authority: CN
Inventors: 李建江
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-16
Anticipated expiration: 2032-03-23

Abstract

The utility model provides a bluetooth headset, including earplug portion and body of rod portion, earplug portion is connected through the pivot subassembly with body of rod portion, the pivot subassembly includes first pivot and second pivot, first pivot and earplug portion fixed connection, second pivot and body of rod portion fixed connection, first pivot is connected with the second pivot and can rotate relatively, be equipped with the location structure of mutually supporting in first pivot and the second pivot, so that earplug portion can fix a position at first position and second position at least, earplug portion when being in the first position and earplug portion when being in the second position are relative shank portion symmetry. The utility model discloses bluetooth headset can realize controlling the ear is general wears, only needs to dispose an earphone material and mould equipment during then production to can reduce earphone manufacturing cost.

Description

Bluetooth earphone

Technical Field

The utility model belongs to the technical field of the earphone, concretely relates to can general bluetooth headset through rotatory earplug portion messenger left and right ears.

Background

With the development of bluetooth technology, the use of TWS bluetooth headsets has become more and more widespread. The Bluetooth headset can enable a user to freely and easily talk in various modes without being stumbled by wires.

Currently, there are single-ear bluetooth headsets and double-ear bluetooth headsets in TWS bluetooth headsets. For the double-ear Bluetooth headset, the left and right ears are separated, and the left and right earphones are symmetrical in shape, so that the left and right ears cannot be worn universally; and when bluetooth headset production, must prepare with about two kinds of materials and the mould equipment that the earphone corresponds respectively, correspondingly increased manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bluetooth headset to the different general problems of wearing of ear about mentioned in the solution above-mentioned background art.

For reaching the technical effect, the utility model discloses a technical scheme be, a bluetooth headset, including earplug portion and body of rod portion, earplug portion with body of rod portion passes through the pivot subassembly and connects, the pivot subassembly includes first pivot and second pivot, first pivot with earplug portion fixed connection, the second pivot with body of rod portion fixed connection, first pivot with but the second pivot is connected and is rotated relatively, first pivot with be equipped with the location structure of mutually supporting in the second pivot, so that earplug portion is relative body of rod portion can fix a position at first position and second position at least, is in during the first position earplug portion with be in during the second position earplug portion is relative body of rod portion symmetry.

The first rotating shaft and the second rotating shaft are coaxially sleeved, and the positioning structure comprises a plurality of positioning grooves which are formed in the inner wall of the first rotating shaft and are distributed along the circumferential direction and at least one elastic positioning rib which is formed in the outer wall of the second rotating shaft.

The first rotating shaft and the second rotating shaft are cylindrical, two ends of the first rotating shaft and two ends of the second rotating shaft are communicated, the extending direction of each positioning groove is parallel to the axial direction of the first rotating shaft, and the extending direction of each elastic positioning rib is parallel to the axial direction of the second rotating shaft.

The radial cross section of the elastic positioning rib is arc-shaped, and the contour shape of the positioning groove is matched with that of the elastic positioning rib.

The second rotating shaft is a T-shaped shaft, the small-diameter section of the second rotating shaft is inserted into the first rotating shaft, and the large-diameter section of the second rotating shaft abuts against the first rotating shaft.

The cylinder inner space of the first rotating shaft is communicated with the inner space of the earplug part, the cylinder inner space of the second rotating shaft is communicated with the inner space of the rod part, and the cylinder inner space of the first rotating shaft is communicated with the cylinder inner space of the second rotating shaft.

The first rotating shaft is bonded with the earplug part, and the second rotating shaft is bonded with the rod body part.

The earplug part is provided with a mounting hole, the first rotating shaft is inserted into the mounting hole and matched with the mounting hole, one end of the first rotating shaft is located inside the earplug part, the other end of the first rotating shaft is located outside the earplug part and connected with the second rotating shaft, a stopping convex part is formed at one end of the first rotating shaft, which is located inside the earplug part, and the stopping convex part abuts against the inner wall of the earplug part.

The earplug part is relative the body of rod portion still can be positioned at third position and fourth position, the earplug part when being in the third position with be in when the fourth position the earplug part is relative the body of rod portion symmetry, the earplug part when being in the third position with be in when the first position the earplug part constitutes acute included angle, the earplug part when being in the fourth position with be in when the second position the earplug part constitutes acute included angle.

The utility model discloses a first pivot, including the first pivot, the first pivot is equipped with the elastic positioning muscle, the elastic positioning muscle quantity is two, is in along circumference equipartition on the outer wall of second pivot, the quantity of constant head tank does n of elastic positioning muscle quantity is multiplied, and n is for being greater than 1's integer.

Compared with the prior art, the utility model has the advantages of it is following and positive effect:

1. the utility model discloses a bluetooth earphone, the pivot subassembly between its earplug portion and the body of rod portion includes first pivot and second pivot, first pivot and earplug portion fixed connection, second pivot and body of rod portion fixed connection, first pivot is connected with the rotation of second pivot, thereby realize earplug portion and the rotation of body of rod portion and be connected, and be equipped with location structure of mutually supporting in first pivot and the second pivot, so that earplug portion can be fixed a position at first position and second position at least with respect to the body of rod portion, earplug portion when being in the first position is symmetrical with earplug portion when being in the second position with respect to the body of rod portion, the position of earplug portion when the first position corresponds left ear and wears, the position of earplug portion when the second position corresponds right ear and wears, thereby can realize that left and right ears are general to wear;

2. the utility model discloses it is general to realize the earphone left and right sides ear, then only needs to dispose an earphone material and mould equipment during production to can reduce earphone manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a perspective view of a bluetooth headset in an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a perspective view of the bluetooth headset spindle assembly in the embodiment of the present invention;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a perspective view of a bluetooth headset in an embodiment of the present invention when the ear plug portion is in the first position;

fig. 6 is a schematic view illustrating the relative rotational positions of the first and second shafts when the earplug portions are in the first position according to the embodiment of the present invention;

fig. 7 is a perspective view of a bluetooth headset in an embodiment of the invention when the ear plug portion is in the second position;

fig. 8 is a schematic view illustrating the relative rotational positions of the first and second shafts when the earplug portions are in the second position according to the embodiment of the present invention;

fig. 9 is a perspective view of a bluetooth headset in an embodiment of the present invention when the ear plug portion is in a third position;

fig. 10 is a schematic view illustrating the relative rotational positions of the first shaft and the second shaft when the earplug portion is in the third position according to the embodiment of the invention;

fig. 11 is a perspective view of a bluetooth headset in an embodiment of the present invention when the ear plug portion is in a fourth position;

fig. 12 is a schematic view illustrating the relative rotational positions of the first and second shafts when the earplug portion is in the fourth position according to the embodiment of the invention.

Reference numerals: 10. an earplug portion; 11. a first mounting hole; 20. a lever portion; 21. a second mounting hole; 30. a rotating shaft assembly; 31. a first rotating shaft; 31A, a stop boss; 32. a second rotating shaft; 32A, a small diameter section; 32B, a large-diameter section; 33. positioning a groove; 34. and elastic positioning ribs.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 8, the bluetooth headset for both left and right ears of the present embodiment includes an earplug portion 10 and a stem portion 20, the earplug portion 10 is connected to the stem portion 20 through a rotation shaft assembly 30, the rotation shaft assembly 30 includes a first rotation shaft 31 and a second rotation shaft 32, the first rotation shaft 31 is fixedly connected to the earplug portion 10, the second rotation shaft 32 is fixedly connected to the stem portion 20, and the first rotation shaft 31 is connected to the second rotation shaft 32 and can rotate relatively, so that the earplug portion 10 and the stem portion 20 can rotate relatively; the first rotating shaft 31 and the second rotating shaft 32 are provided with positioning structures which are matched with each other, so that the earplug portion 10 can be at least positioned at a first position and a second position relative to the stem portion 20, the earplug portion 10 at the first position is symmetrical to the earplug portion 10 at the second position relative to the stem portion 20, as shown in fig. 5 and 7, the first position is configured to correspond to the position of the earplug portion 10 when the left ear is worn, and correspondingly, the second position is configured to correspond to the position of the earplug portion 10 when the right ear is worn, so that the universal wearing of the left ear and the right ear can be realized, the use is flexible, and when the bluetooth headset is produced, only one type of headset material and mold equipment needs to be prepared, and the production cost can be reduced.

Further, the first rotating shaft 31 and the second rotating shaft 32 are coaxially sleeved, specifically, the first rotating shaft 31 is sleeved on the second rotating shaft 32, that is, the second rotating shaft 32 is inserted on the first rotating shaft 31, and the two are coaxial; the positioning structure includes a plurality of positioning grooves 33 disposed on the inner wall of the first rotating shaft 31 and distributed along the circumferential direction, and at least one elastic positioning rib 34 disposed on the outer wall of the second rotating shaft 32. When the first rotating shaft 31 rotates relative to the second rotating shaft 32, the elastic positioning rib 34 elastically deforms, so that the position of the elastic positioning rib relative to the positioning groove 33 changes, and the positioning grooves 33 at different positions are matched with the elastic positioning rib 34 in a clamping manner, so that the earplug portion 10 can be positioned at the first position or the second position.

For the convenience of rotating connection, in this embodiment, the first rotating shaft 31 and the second rotating shaft 32 are both cylindrical with two through ends, the positioning grooves 33 are strip-shaped grooves, the extending direction of each positioning groove 33 is parallel to the axial direction of the first rotating shaft 31, the elastic positioning ribs 34 are strip-shaped ribs, and the extending direction of each elastic positioning rib 34 is parallel to the axial direction of the second rotating shaft 32. The constant head tank 33 of bar and the elastically positioned muscle 34 of bar, the two area of contact is big, is favorable to strengthening the location reliability when earplug portion 10 is located primary importance or second place, and the constant head tank 33 of bar and the elastically positioned muscle 34 cooperation of bar when first pivot 31 cup joints with second pivot 32 simultaneously can also play the guide effect to be convenient for connect.

Further, the radial section of the elastic positioning rib 34 is arc-shaped, and the contour shape of the positioning groove 33 is matched with the elastic positioning rib 34, so that the contact surface between the positioning groove 33 and the elastic positioning rib 34 is smooth, and when the first rotating shaft 31 and the second rotating shaft 32 rotate relatively, the elastic positioning rib 34 is favorably clamped in or separated from the positioning groove 33, so that the rotation angle of the earplug portion 10 can be changed conveniently.

In this embodiment, the second rotating shaft 32 is a T-shaped shaft, and includes a small diameter section 32A and a large diameter section 32B that are coaxially connected into a whole, the small diameter section 32A is inserted into the first rotating shaft 31, the elastic positioning rib 34 is formed on the outer wall of the small diameter section 32A, the large diameter section 32B abuts against the first rotating shaft 31, that is, the outer diameter of the small diameter section 32A is smaller than the inner diameter of the first rotating shaft 31, and the outer diameter of the large diameter section 32B is larger than the outer diameter of the first rotating shaft 31, so that the small diameter section 32A of the second rotating shaft 32 can be inserted into the first rotating shaft 31, and the large diameter section 32B can abut against the first rotating shaft 31, so that the large diameter section 32B can limit the second rotating shaft 32 when inserted into the first rotating shaft 31, and when the large diameter section 32B abuts against the first rotating shaft 31, the second rotating shaft 32 cannot be inserted any more, and at this time, the second rotating shaft 32 is inserted in place.

In addition, the space inside the barrel of the first rotating shaft 31 is communicated with the space inside the earplug portion 10, the space inside the barrel of the second rotating shaft 32 is communicated with the space inside the stem portion 20, and the space inside the barrel of the first rotating shaft 31 is communicated with the space inside the barrel of the second rotating shaft 32, so that the earplug portion 10 and the stem portion 20 can be communicated through the rotating shaft assembly 30, and the flexible flat cable or the wire harness of the earphone FPC can pass through the earphone FPC, so as to connect the relevant electric devices inside the earplug portion 10 and inside the stem portion 20.

To the fixed connection of first pivot 31 and earplug portion 10, the fixed connection of second pivot 32 and body of rod portion 20 all adopts sticky bonding in this embodiment, can realize fixed connection, and convenient operation, with low costs, easy to carry out, can also guarantee the sealed of junction. Of course, other fastening means, such as snap-fit or screw connection, may be used.

In order to improve the connection reliability of the first rotating shaft 31 and the earplug portion 10, as shown in fig. 2 to 4, a first mounting hole 11 is formed on the earplug portion 10 in the present embodiment, the first rotating shaft 31 is inserted into and matched with the first mounting hole 11, one end of the first rotating shaft 31 is located inside the earplug portion 10, the other end of the first rotating shaft 31 is located outside the earplug portion 10 to be connected with a second rotating shaft 32, a stopping protrusion 31A is formed on one end of the first rotating shaft 31 located inside the earplug portion 10, and the stopping protrusion 31A abuts against an inner wall of the earplug portion 10. The first rotating shaft 31 is inserted into the earplug portion 10 through the first mounting hole 11, and is stopped by the stopping protrusion 31A, so that the reliability of the connection between the first rotating shaft 31 and the earplug portion 10 can be greatly improved, and the earplug portion 10 is effectively prevented from being separated from the first rotating shaft 31 under the action of external force. Specifically, the stopper projection 31A is a circular structure coaxial with the first rotation shaft 31, and has a diameter larger than the outer diameter of the first rotation shaft 31, so that the first rotation shaft 31 has a T-shape as a whole. Similarly, a second mounting hole 21 is formed in the rod portion 20, and one end of the second rotating shaft 32 is inserted into the second mounting hole 21 and is fixedly connected to the rod portion 20.

To further increase the flexibility of use of the bluetooth headset, referring to fig. 9 to 12, the earplug portion 10 may be further positioned relative to the stem portion 20 in a third position and a fourth position, the earplug portion 10 in the third position being symmetrical to the earplug portion 10 in the fourth position relative to the stem portion 20, the earplug portion 10 in the third position forming an acute included angle with the earplug portion 10 in the first position, and the earplug portion 10 in the fourth position forming an acute included angle with the earplug portion 10 in the second position. For the positioning of the earplug portion 10 at the third position and the fourth position, the positioning groove 33 at the corresponding position can be arranged in the positioning structure, and the elastic positioning rib 34 is matched and positioned with the positioning groove 33 at the corresponding position.

Specifically, fig. 5 and 6 show the bluetooth headset with the earplug portion 10 in the first position, where the earplug portion 10 faces horizontally to the right, and this position corresponds to a state where the left ear is worn vertically (the rod portion 20 is vertical when worn); fig. 9 and 10 show the bluetooth headset in a third position of the ear plug portion 10, which is a position after the ear plug portion 10 in the first position is rotated clockwise by 35 °, and this position corresponds to a state where the left ear is worn obliquely (the stem portion 20 is tilted when worn); fig. 11 and 12 show the bluetooth headset in the fourth position of the ear plug portion 10, which is a position after the ear plug portion 10 in the first position is rotated clockwise by 155 °, and this position corresponds to a state where the right ear is worn obliquely (the stem portion 20 is tilted when worn); fig. 7 and 8 show the bluetooth headset in the second position of the ear plug portion 10, in which the ear plug portion 10 faces horizontally to the left, and is a position of the ear plug portion 10 in the first position after being rotated clockwise by 180 °, and the position corresponds to a state where the right ear is worn vertically (the stem portion 20 is vertical when worn). Then this embodiment bluetooth headset still has the multiple posture of wearing respectively when controlling the ear except that the ear is general about, can satisfy different users and wear the demand, uses more in a flexible way.

In this embodiment, as shown in fig. 4, the number of the elastic positioning ribs 34 is preferably two, and the two elastic positioning ribs are uniformly distributed on the outer wall of the second rotating shaft 32 along the circumferential direction, that is, one of the elastic positioning ribs 34 is located on one side of the outer wall of the second rotating shaft 32, the other elastic positioning rib 34 is located on the opposite side, the number of the positioning grooves 33 is n times the number of the elastic positioning ribs 34, and n is an integer greater than 1. When the earplug portion 10 is positioned at any one of the first to fourth positions, the two elastic positioning ribs 34 are correspondingly clamped in the two positioning grooves 33, so that the positioning reliability of the earplug portion 10 is greatly improved, and the connection reliability of the earplug portion 10 and the rod portion 20 is further improved. Since the second position is the position of the earplug portion 10 in the first position after rotating 180 ° clockwise, the first position and the second position share two opposite positioning grooves 33, and the earplug portion 10 can be positioned in the first to fourth 4 positions in this embodiment, and the number of the positioning grooves 33 is 3 times of the number of the elastic positioning ribs 34. The more positioning positions of the earplug portion 10 are to be realized, the more the number of the positioning grooves 33 is.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a bluetooth headset, includes earplug portion and shank portion, its characterized in that: the earplug portion with the body portion of rod passes through the pivot subassembly to be connected, the pivot subassembly includes first pivot and second pivot, first pivot with earplug portion fixed connection, the second pivot with body portion fixed connection, first pivot with the second pivot is connected and can rotates relatively, first pivot with be equipped with the location structure of mutually supporting in the second pivot, so that earplug portion is relative body portion of rod portion can fix a position at first position and second position at least, is in during the first position earplug portion with be in during the second position earplug portion is relative body portion of rod portion symmetry.

2. The bluetooth headset of claim 1, wherein: the first rotating shaft and the second rotating shaft are coaxially sleeved, and the positioning structure comprises a plurality of positioning grooves which are formed in the inner wall of the first rotating shaft and are distributed along the circumferential direction and at least one elastic positioning rib which is formed in the outer wall of the second rotating shaft.

3. The bluetooth headset of claim 2, wherein: the first rotating shaft and the second rotating shaft are cylindrical, two ends of the first rotating shaft and two ends of the second rotating shaft are communicated, the extending direction of each positioning groove is parallel to the axial direction of the first rotating shaft, and the extending direction of each elastic positioning rib is parallel to the axial direction of the second rotating shaft.

4. The bluetooth headset of claim 3, wherein: the radial cross section of the elastic positioning rib is arc-shaped, and the contour shape of the positioning groove is matched with that of the elastic positioning rib.

5. The bluetooth headset of claim 1 or 2, wherein: the second rotating shaft is a T-shaped shaft, the small-diameter section of the second rotating shaft is inserted into the first rotating shaft, and the large-diameter section of the second rotating shaft abuts against the first rotating shaft.

6. The bluetooth headset of claim 3, wherein: the cylinder inner space of the first rotating shaft is communicated with the inner space of the earplug part, the cylinder inner space of the second rotating shaft is communicated with the inner space of the rod part, and the cylinder inner space of the first rotating shaft is communicated with the cylinder inner space of the second rotating shaft.

7. The bluetooth headset of claim 1, wherein: the first rotating shaft is bonded with the earplug part, and the second rotating shaft is bonded with the rod body part.

8. The bluetooth headset of claim 1, wherein: the earplug part is provided with a mounting hole, the first rotating shaft is inserted into the mounting hole and matched with the mounting hole, one end of the first rotating shaft is located inside the earplug part, the other end of the first rotating shaft is located outside the earplug part and connected with the second rotating shaft, a stopping convex part is formed at one end of the first rotating shaft, which is located inside the earplug part, and the stopping convex part abuts against the inner wall of the earplug part.

9. The bluetooth headset of claim 2, wherein: the earplug part is relative the body of rod portion still can be positioned at third position and fourth position, the earplug part when being in the third position with be in when the fourth position the earplug part is relative the body of rod portion symmetry, the earplug part when being in the third position with be in when the first position the earplug part constitutes acute included angle, the earplug part when being in the fourth position with be in when the second position the earplug part constitutes acute included angle.

10. The bluetooth headset of claim 9, wherein: the utility model discloses a first pivot, including the first pivot, the first pivot is equipped with the elastic positioning muscle, the elastic positioning muscle quantity is two, is in along circumference equipartition on the outer wall of second pivot, the quantity of constant head tank does n of elastic positioning muscle quantity is multiplied, and n is for being greater than 1's integer.