CN210143117U - Earphone head rotary positioning device - Google Patents

Abstract

The utility model provides an earphone head rotary positioning device, which is used for rotating an earphone head, wherein the earphone head is provided with a step part along the radial direction; a first driver mounted to the mount; rotate the piece, first driver and rotation piece are connected and are used for the drive to rotate the piece rotation, and the one end of rotating the piece of keeping away from first driver is equipped with the chamber of accepting that is used for holding the earphone head, accepts the chamber and extends along the direction of the rotation axis of rotating the piece, rotates the piece and still is equipped with the fastener chamber, the fastener chamber with accept the chamber intercommunication, the joint spare is installed in rotating the piece, the joint spare is used for stretching into through the fastener chamber and accepts the chamber in order to with the step portion joint of earphone head. Because the step portion joint of joint spare and earphone head, the angle that first driver stall back earphone head is also definite, can rotate the earphone head to predetermined angular position from this.

Description

Earphone head rotary positioning device

Technical Field

The utility model belongs to the technical field of the electron device processing technique and specifically relates to a headset head rotary positioning device.

Background

The earphone cord typically has a plurality of cords that need to be welded to the earphone head. When welding the earphone head, it is generally necessary to rotate the earphone head by a certain angle so that the welding portion of the earphone head is located at a position suitable for welding, for example, the welding portion is exposed at a position corresponding to the core wire.

Currently, the earpiece head is typically rotated into position manually, which is inefficient.

Therefore, there is still a need to provide a new earphone head rotation positioning device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect of prior art, the utility model provides a by electric drive's earphone head rotational positioning device.

The utility model provides a technical scheme that technical problem adopted as follows:

a rotary positioning device of an earphone head is used for rotating the earphone head, and the earphone head is provided with a step part along the radial direction; a first driver mounted to the mount; rotate the piece, first driver with rotate the piece and be connected and be used for the drive rotate the piece rotation, the keeping away from of rotating the piece the one end of first driver is equipped with and is used for holding the chamber of accepting of earphone head, accept the chamber along the direction of the rotation axis of rotating the piece extends, it still is equipped with the fastener chamber to rotate the piece, the fastener chamber with accept the chamber intercommunication, the joint spare install in rotate the piece, the joint spare is used for passing through the fastener chamber stretches into accept the chamber with the earphone head the step portion joint.

Preferably, the clamping piece is hinged to the rotating piece, and the hinge axis of the clamping piece is perpendicular to the rotation axis of the rotating piece.

Preferably, the earphone head rotary positioning device further comprises a receiving piece, one end of the rotating piece, which is far away from the first driver, is provided with a first receiving cavity for receiving the receiving piece, the receiving piece is fixedly connected with the rotating piece, the receiving cavity and the clamping piece cavity are both arranged on the receiving piece, and the clamping piece is hinged to the receiving piece.

Preferably, the earphone head rotary positioning device further comprises a first elastic piece, the rotating piece is provided with a cavity communicated with the clamping piece cavity, the first elastic piece is located in the cavity, two ends of the first elastic piece are respectively connected with the clamping piece and the rotating piece, and the first elastic piece is used for driving the clamping piece to move in the bearing cavity.

Preferably, earphone head rotational positioning device still includes the back shaft, the rotation piece is equipped with the second and accepts the chamber, the second is accepted the chamber along the rotation axis extension of rotation piece and with first chamber intercommunication of accepting, the one end of back shaft is located the second is accepted the intracavity and with the rotation piece is rotationally connected, the other end of back shaft is located accept intracavity and terminal surface and be used for accepting the tip of earphone head.

Preferably, the end face of the support shaft is provided with a tapered groove for guiding and receiving the end of the earphone head.

Preferably, the earphone head rotary positioning device further comprises a second elastic piece, the second elastic piece is located in the second accommodating cavity, two ends of the second elastic piece are respectively connected with the support shaft and the rotating shaft of the first driver, and the second elastic piece is used for driving the support shaft to move in the direction away from the first driver.

Preferably, the earphone head rotary positioning device further comprises a connecting piece, the connecting piece is located in the second accommodating cavity, and the connecting piece is fixedly connected with the rotating piece and the rotating shaft of the first driver respectively.

Preferably, one end of the connecting piece, which is far away from the first driver, is provided with a containing groove for containing the second elastic piece.

Preferably, the headset rotary positioning device further comprises a base, and a second driver mounted on the base, the second driver being connected to the mounting member and used for driving the mounting member to move along the direction of the rotation axis of the rotary member.

Compared with the prior art, the utility model discloses mainly there is following beneficial effect:

the joint spare with the earphone head step portion joint, first driver drive rotate the piece area the joint spare is rotatory, thereby can drive the earphone head is rotatory, in addition, for rotate the piece, the position of joint spare is definite, because the joint spare with the earphone head step portion joint, so the stall back the angle of earphone head also is definite, can rotate the earphone head to predetermined angular position from this.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic structural view of an earphone head according to the present invention;

fig. 2 is a schematic structural diagram of the earphone head rotation positioning device according to the present invention;

fig. 3 is an exploded view of the headset head rotational positioning apparatus according to the present invention;

fig. 4 is a cross-sectional view of a rotating assembly in accordance with the present invention.

Reference numerals:

100-earphone head rotational positioning device, 10-rotating component, 11-mounting component, 12-first driver, 12A-motor, 121-connecting component, 1211-containing groove, 13-rotating component, 131-first containing cavity, 132-second containing cavity, 133-avoiding cavity, 14-receiving component, 141-receiving cavity, 142-clamping component cavity, 143-hinge hole, 15-clamping component, 151-containing groove, 152-hinge hole, 16-first elastic component, 17-support shaft, 171-conical groove, 18-bearing, 19-second elastic component, 20-propelling component, 21-base, 22-second driver, 22A-air cylinder, 221-floating joint, 23-guide rail module, 90-earphone head, 91-step, 92-weld.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Fig. 1 is a schematic structural diagram of an earphone head 90 according to the present invention.

As shown in fig. 1, the earphone head 90 is provided with a stepped portion 91 in the radial direction, and the stepped portion 91 extends in the axial direction of the earphone head 90. Generally, the earphone head 90 has 4 soldering portions 92, and during the soldering process, it is necessary to align the soldering portions 92 with the core wires of the earphone lines, i.e., it is necessary to rotate the earphone head 90 to a specific angular position.

Fig. 2 is a schematic structural diagram of the earphone head rotational positioning apparatus 100 according to the present invention; fig. 3 is an exploded view of the headset head rotational positioning apparatus 100 according to the present invention.

As shown in fig. 2 and 3, a headset head rotation positioning device 100 according to a preferred embodiment of the present invention is used for rotating a headset head 90. The headset head rotary positioning device 100 includes a rotation assembly 10 and a propulsion assembly 20.

Fig. 4 is a cross-sectional view of the rotating assembly 10 according to the present invention.

In the present embodiment, as shown in fig. 3 and 4, the rotating assembly 10 includes a mounting member 11, a first driver 12, a rotating member 13, a receiving member 14, a snap member 15, a first elastic member 16, a supporting shaft 17, a bearing 18, and a second elastic member 19. The first driver 12 is mounted to the mounting member 11, and the first driver 12 is connected to the rotating member 13 and is configured to drive the rotating member 13 to rotate. The first driver 12 may be a pneumatic cylinder or an electric motor. Preferably, the first driver 12 is a motor 12A. The motor 12A is fixedly connected to the rotating member 13 through a connecting member 121. The end of the rotating member 13 away from the first driver 12 is provided with a first receiving cavity 131 for receiving the receiving member 14, and the receiving member 14 is fixedly connected to the rotating member 13. The rotation member 13 is further provided with a second receiving cavity 132, and the second receiving cavity 132 extends along the rotation axis of the rotation member 13 and is communicated with the first receiving cavity 131. The turning piece 13 is also provided with a cavity 133. The receiving element 14 is provided with a receiving cavity 141 for receiving the earphone head 90, the receiving cavity 141 extending in the direction of the rotational axis of the rotary element 13. The receiving member 14 is further provided with a card cavity 142 for accommodating the card member 15, the card cavity 142 is communicated with the receiving cavity 141, and the clearance cavity 133 is communicated with the card cavity 142. The receiving member 14 and the rotating member 13 may be the same component, and the receiving chamber 141 and the card member chamber 142 may be formed directly in the rotating member 13. Preferably, the socket 14 and the rotor 13 are divided into two parts to facilitate parts machining and assembly. The clamping piece 15 is hinged to the bearing piece 14, and the hinge axis is perpendicular to the rotation axis of the rotating piece 13. The receiving member 14 is provided with a hinge shaft hole 143, and the engaging member 15 is provided with a hinge hole 152, through which a hinge shaft passes through the hinge shaft hole 143 and the hinge hole 152. The clamping member 15 is used for extending into the receiving cavity 141 through the clamping member cavity 142 to be clamped with the step part 91 of the earphone head 90. The joint 15 and the step part 91 joint of earphone head 90, first driver 12 drive rotates piece 13 area joint 15 and rotates to can drive earphone head 90 rotatory, in addition, for rotating piece 13, the position of joint 15 is definite, because the joint 15 and the step part 91 joint of earphone head 90, so first driver 12 stops the angle of earphone head 90 after rotating also to be definite, can rotate earphone head 90 from this and fix a position to predetermined angular position. The connecting manner of the snap-in member 15 and the receiving member 14 can be hinged, and can also be sliding connection, for example, refer to the design of a door lock. Preferably, the snap member 15 is provided with a receiving groove 151 for receiving the first elastic member 16. The first elastic element 16 is located in the cavity 133, two ends of the first elastic element 16 are respectively connected with the clamping element 15 and the rotating element 13, and the first elastic element 16 is used for driving the clamping element 15 to move towards the receiving cavity 141. The first elastic member 16 may be a spring. From this, joint spare 15 can be under the promotion of first elastic component 16 with step part 91 joint of earphone head 90, in addition, when joint spare 15 is not aligned with step part 91, earphone head 90 can rotate relative joint spare 15, until joint spare 15 and step part 91 joint. Preferably, the rotating assembly 10 further includes a supporting shaft 17, one end of the supporting shaft 17 is located in the second receiving cavity 132 and rotatably connected to the rotating member 13, and the other end of the supporting shaft 17 is located in the receiving cavity 141 and has an end face for receiving the end of the earphone head 90. Preferably, the end surface of the support shaft 17 is provided with a tapered groove 171, and the tapered groove 171 is used for guiding and receiving the end of the earphone head 90. Thereby, the earphone head 90 enters the receiving cavity 141 and the end portion thereof is in contact with the tapered groove 171, and when the first driver 12 drives the rotation member 13 to rotate, the earphone head 90 can rotate together with the support shaft 17 to reduce friction. The support shaft 17 may be mounted in the second receiving cavity 132 by a bearing 18, but unlike the conventional design, the support shaft 17 may be both rotated and slid along the axis under the support of the bearing 18. The number of bearings 18 may be 4. If the bearing 18 is a standard rolling bearing, the fit of the bearing 18 to the second receiving cavity 132 is a clearance fit. The bearing 18 may also be a special bearing that is both rotatable and linearly slidable, for example a CARB series bearing of the brand SKF. The second elastic element 19 is located in the second receiving cavity 132, two ends of the second elastic element 19 are respectively connected to the supporting shaft 17 and the rotating shaft of the first actuator 12, and the second elastic element 19 is used for driving the supporting shaft 17 to move in a direction away from the first actuator 12. The connecting element 121 is located in the second receiving cavity 132, and the connecting element 121 is fixedly connected to the rotating elements 13 and the rotating shaft of the first driver 12. Preferably, an end of the connecting member 121 away from the first driver 12 is provided with a receiving groove 1211 for receiving the second elastic member 19, and an end of the second elastic member 19 is located in the receiving groove 1211. This can improve the stability of the second elastic member 19. The second elastic member 19 may be a spring. That is, the earphone head 90 is elastically received by the supporting force of the supporting shaft 17, which helps to protect the earphone head 90.

In the present embodiment, the propulsion assembly 20 includes a base 21, a second driver 22, and a rail module 23. A second driver 22 is mounted to the base 21, and the second driver 22 is connected to the mounting member 11 and is used for driving the rotation member 10 to move along the rotation axis direction of the rotation member 13. The second actuator 22 may be a pneumatic cylinder 22A. The push rod of the cylinder 22A is connected to the mounting member 11 through a floating joint 221. The rail module 23 is attached to the base 21, the rail of the rail module 23 extends in the direction of the rotation axis of the rotor 13, and the attachment 11 is attached to the slider of the rail module 23.

In this embodiment, the work flow of the headset head rotation positioning apparatus 100 includes: the cylinder 22A drives the rotating assembly 10 to move towards the earphone head 90, so that the earphone head 90 enters the bearing cavity 141 and contacts with the end of the supporting shaft 17, the clamping piece 15 is abutted to the periphery of the earphone head 90 under the pushing of the first elastic piece 16, at the moment, the clamping piece 15 is not necessarily clamped with the step part 91, the motor 12A drives the rotating piece 13 to rotate, the clamping piece 15 slides along the periphery of the earphone head 90 and is finally clamped with the step part 91, and under the driving of the motor 12A, the clamping piece 15 finally drives the earphone head 90 to rotate to a specific angle position. Before the earphone head 90 enters the receiving cavity 141, the supporting shaft 17 jacks up the clamping piece 15 under the action of the elastic force of the second elastic piece 19, namely the clamping piece 15 leaves the receiving cavity 141, so that the earphone head 90 enters the receiving cavity 141; when the earphone head 90 enters the receiving cavity 141, the earphone head 90 pushes the supporting shaft 17 toward the motor 12A, and when the supporting shaft 17 leaves the clamping member 15, the clamping member 15 is abutted against the periphery of the earphone head 90 under the elastic force of the first elastic member 16; the engaging member 15 rotates around the outer circumference of the earphone head 90 and is finally engaged with the stepped portion 91 by the driving of the motor 12A.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. An earphone head rotational positioning device for rotating an earphone head, the earphone head being provided with a step portion in a radial direction, the earphone head rotational positioning device comprising:

a mounting member;

a first driver mounted to the mount;

the first driver is connected with the rotating piece and used for driving the rotating piece to rotate, one end of the rotating piece, which is far away from the first driver, is provided with a bearing cavity for accommodating the earphone head, the bearing cavity extends along the direction of the rotation axis of the rotating piece, the rotating piece is also provided with a clamping piece cavity, and the clamping piece cavity is communicated with the bearing cavity,

the joint spare, install in rotate the piece, the joint spare is used for passing through the fastener chamber stretches into accept the chamber with the earphone head step portion joint.

2. The headset head rotational positioning apparatus of claim 1,

the clamping piece is hinged to the rotating piece, and the hinge axis of the clamping piece is perpendicular to the rotation axis of the rotating piece.

3. The headset head rotational positioning apparatus of claim 2,

still including accepting the piece, the one end of rotating the piece of keeping away from first driver is equipped with and is used for holding accept the first chamber of accepting of piece, accept the piece with rotate piece fixed connection, accept the chamber with the fastener chamber is all located accept the piece, joint spare articulate in accept the piece.

4. The headset head rotational positioning apparatus of claim 3,

still include first elastic component, rotate the piece be equipped with the cavity of keeping away of fastener chamber intercommunication, first elastic component is located keep away the cavity, the both ends of first elastic component respectively with the joint spare with it connects to rotate the piece, first elastic component is used for the drive the joint spare to accept the chamber and remove.

5. The headset head rotational positioning apparatus of claim 3,

still include the back shaft, it accepts the chamber to rotate the piece and be equipped with the second, the second accept the chamber along the rotation axis extension of rotating the piece and with first accept the chamber intercommunication, the one end of back shaft is located the second accept the intracavity and with it rotationally connects to rotate the piece, the other end of back shaft is located it is used for accepting the tip of intracavity and terminal surface earphone head to accept.

6. The headset head rotational positioning apparatus of claim 5,

the end face of the supporting shaft is provided with a conical groove which is used for guiding and bearing the end part of the earphone head.

7. The headset head rotational positioning apparatus of claim 5,

the support shaft is arranged in the first accommodating cavity, the support shaft is arranged on the support shaft, the first driver is arranged on the support shaft, the second elastic piece is arranged in the second accommodating cavity, two ends of the second elastic piece are respectively connected with the support shaft and a rotating shaft of the first driver, and the second elastic piece is used for driving the support shaft to move in a direction away from the first driver.

8. The headset head rotational positioning apparatus of claim 7,

the connecting piece is positioned in the second accommodating cavity and fixedly connected with the rotating piece and the rotating shaft of the first driver respectively.

9. The headset head rotational positioning apparatus of claim 8,

and one end of the connecting piece, which is far away from the first driver, is provided with an accommodating groove for accommodating the second elastic piece.

10. The headset head rotary positioning device of any one of claims 1 to 9,

the rotary piece is characterized by further comprising a base and a second driver, wherein the second driver is installed on the base, and the second driver is connected with the installation piece and used for driving the installation piece to move along the direction of the rotary axis of the rotary piece.

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