CN213025911U - Player - Google Patents

Abstract

The utility model relates to a player technical field specifically discloses a commonality is strong, player with rotatable reset switch, which comprises a housin, accept in the power supply unit and the play unit of casing, the player is still including the master control circuit who has the MCU treater and to master control circuit send the switch circuit of signal of telecommunication, switch circuit is including the control switch who is used for adjusting player operating condition or mode, control switch includes the drain pan, the axle sleeve, five gold sheets of terminal, the switch shell fragment, the gluey commentaries on classics piece of brush is installed to the bottom, the cover is located to glue commentaries on classics piece and is driven and glue the torsional spring that commentaries on classics piece gyration was reset, the commentaries on classics piece is glued in the drive and the brush is for five. The switch circuit sends a level signal to the MCU processor when the control switch rotates to a specified position; or sending a level signal to the MCU processor when the control switch is pressed; the MCU processor receives the level signal sent by the switch circuit and controls the playing unit to switch tracks, pause or start and stop.

Description

Player

Technical Field

The utility model relates to a player technical field especially relates to a player with rotatable reset switch.

Background

The player is an electronic device with an audio plug-in, and can receive and play specified audio content, the player is used for expanding the software and hardware of the external audio device, the tone quality effect can be improved by setting the corresponding plug-in, and the user experience is improved. At present, the start and stop of a player and the adjustment of audio playing are mainly realized through a toggle switch, a button switch or a knob switch, and various switches need to be reversely adjusted on the basis of the original adjusting position after being adjusted once. In addition, the existing switch is poor in universality, for example, a toggle switch is generally adopted for starting and stopping the switch, and a button switch or a knob switch is mainly adopted for an audio playing control switch, so that a plurality of production lines are required to be arranged for processing different switches of the same player, and the production cost of the player is improved.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a player with a rotatable reset switch, which has strong versatility and is easy to collide when adjusting the switch and has poor versatility.

A player comprises a shell, a power supply unit and a playing unit, wherein the power supply unit and the playing unit are contained in the shell, the player further comprises a main control circuit with an MCU processor and a switch circuit for sending an electric signal to the main control circuit, and the switch circuit comprises a control switch for adjusting the working state or the working mode of the player.

The control switch comprises a bottom shell which is accommodated in the shell and fixed on an electric control plate of the player and a shaft sleeve which is detachably connected with the top of the bottom shell; the terminal hardware lug is accommodated in the bottom shell and is provided with a middle pin and a first side pin and a second side pin which are symmetrically arranged at two sides of the middle pin, and the middle pin, the first side pin and the second side pin are respectively connected with different pins on the MCU processor; the middle part of the switch elastic sheet is arched and is arranged in the middle of the terminal hardware sheet; the glue rotating piece is accommodated in the inner cavity of the shaft sleeve, and the bottom of the glue rotating piece is provided with a brush matched with the terminal hardware; the torsional spring is sleeved on the glue rotating piece, and two free ends of the torsional spring are respectively in butt fit with the inner surface of the shaft sleeve and used for driving the glue rotating piece and the brush to reset when the glue rotating piece rotates; the top surface of the shell, the shaft sleeve, the torsion spring and the glue rotating piece are sequentially arranged in a penetrating mode, the tail end of the glue rotating piece corresponds to a shaft core of the switch elastic piece, and the shaft core and the glue rotating piece are circumferentially positioned.

The switch circuit drives the glue rotating piece to rotate when the shaft core is subjected to external torsional force, so that a level signal is sent to the MCU processor when the brush is in contact with the middle pin, the first side pin or the second side pin; or when the shaft core is acted by external pressure and presses the switch elastic sheet to deform, the switch elastic sheet is enabled to be in contact with the middle pin, and a level signal is sent to the MCU processor; the MCU processor receives the level signal sent by the switch circuit and controls the playing unit to switch tracks, pause or start and stop.

In one embodiment, a square hole matched with the tail end of the shaft core and used for the shaft core to penetrate through is formed in the middle of the glue rotating piece, a limiting ring with a cylindrical surface is formed on the edge of one end, facing the inner cavity of the shaft sleeve, of the square hole in a protruding mode and used for sleeving the torsion spring, two arc-shaped plates are symmetrically arranged on the periphery of the glue rotating piece by taking the square hole as a center, and the side edges of the two arc-shaped plates are respectively correspondingly abutted to one free end of the torsion spring and limit the position and deformation amount of the free end.

In one embodiment, an annular positioning member for limiting the circumferential rotation track of the rubber rotating member is arranged on the bottom shell.

In one embodiment, the side surface of the ring of the annular positioning piece protrudes to form a limiting part matched with the side of the arc-shaped plate, so as to limit the corner of the rotating part.

In one embodiment, the brush is a ring piece clamped with the bottom of the glue rotating piece, and the surface of the ring piece protrudes towards the direction close to the inner cavity of the bottom shell to form a contact part for connecting pins on the terminal hardware piece and sending an electric signal to a main control chip of the player when the brush rotates.

Implement the utility model discloses a player, through the cover establish the torsional spring on the commentaries on classics piece of gluing at control switch, the axle core drives to glue when changeing a rotation, glue the brush of changeing a bottom and rotate to first side pin or second side pin from the middle pin position on the five gold sheets of terminal, and thus, switch circuit will send level signal to the MCU treater through the pin of preset position on the MCU treater, so that MCU treater control broadcast unit carries out corresponding action, if switch the song or open and stop audio playback function, loosen behind the axle core, the torsional spring will drive to glue commentaries on classics piece and brush and reset to middle pin position, so that the user adjusts control switch in follow-up player accommodation process, this control switch's setting, because of the impact player shell problem that the maloperation caused when can avoiding the knob to rotate, be favorable to extension control switch's life. In addition, in the use process of the player, the switch elastic sheet can be pressed and deformed by pressing the shaft core, so that the connection between the switch elastic sheet and the middle pin is realized, a level signal is conveniently sent to the other pin of the MCU processor, the MCU processor is convenient to control the playing unit to execute corresponding actions, and if the playing unit is controlled to pause playing, in the production and assembly processes of the player, the control switch with the same structure can be adopted, only the circuit structure arrangement of the switch circuit and the pin position connected with the MCU processor are adjusted, so that the control on the corresponding functions of the player is realized, the universality of the control switch is greatly enhanced, and the reduction of the production cost of the player is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a player according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the relationship between modules of the player shown in FIG. 1;

fig. 3 is a circuit diagram of a main control circuit according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a control switch according to an embodiment of the present invention;

FIG. 5 is an exploded view of the control switch of the embodiment of FIG. 4;

fig. 6 is a schematic structural view of a glue transferring member according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a shaft sleeve according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a bottom case according to an embodiment of the present invention;

fig. 9a is a circuit diagram of a switch control circuit according to an embodiment of the present invention;

fig. 9b is a power supply circuit diagram in an embodiment of the present invention;

fig. 10 is a circuit diagram of a switching circuit according to another embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a player 10 with strong versatility and a rotatable reset coding switch, the player 10 includes a casing 100, a power supply unit 200 and a playing unit 300 accommodated in the casing 100, the player 10 further includes a main control circuit 400 having an MCU processor and a switching circuit 500 for sending an electrical signal to the main control circuit 400, and the switching circuit 500 includes a control switch 600 for adjusting the working state or the working mode of the player 10.

The casing 100 is used for accommodating and mounting the rest of the components of the player 10, so as to protect the components from being packaged and prevent electric leakage and electric shock accidents. In actual production, a manufacturer can shape the casing 100 according to the needs of a user, the shape of the casing 100 is only shown in the drawing under the general condition, and the casing 100 can also be other shapes and structures sold in the market, and the shapes of the casings are not within the protection scope of the present invention, and are not described herein again.

The playing unit 300 is used for being controlled by the MCU processor and playing audio information with predetermined contents when the power supply unit 200 is turned on to supply voltage. In one embodiment, the playing unit 300 is a speaker. Specifically, referring to fig. 3, the speaker is connected to the MIC/PAO pin of the MCU processor, so that when the MCU processor receives an instruction from the control switch 600 via different pins, the speaker is controlled to perform corresponding actions, such as playing the previous song, playing the next song, pausing or turning on/off the computer.

Referring to fig. 4 and 5, the control switch 600 includes a bottom case 610 accommodated in the casing 100 and fixed on the electronic control board of the player 10, and a shaft sleeve 620 detachably connected to the top of the bottom case 610, for example, the bottom case 610 is connected to the shaft sleeve 620 through a rivet 630; a terminal hardware 640, which is accommodated in the bottom case 610 and has a middle pin 641 and a first side pin 642 and a second side pin 643 symmetrically disposed on two sides of the middle pin 641, wherein the middle pin 641, the first side pin 642 and the second side pin 643 are respectively connected to different pins on the MCU processor; a switch spring plate 650 with a middle part arched and arranged at the middle part of the terminal hardware plate 640, wherein the switch spring plate 650 is made of a conductive material with lower resistance; a glue rotating piece 660 which is accommodated in the inner cavity of the shaft sleeve 620 and the bottom of which is provided with a brush 670 matched with the terminal hardware piece 640; the torsion spring 680 is sleeved on the glue rotating part 660, two free ends of the torsion spring are respectively abutted and matched with the inner surface of the shaft sleeve 620, and the torsion spring is used for driving the glue rotating part 660 and the brush 670 to reset when the glue rotating part 660 rotates; the top surface of the housing 100, the shaft sleeve 620, the torsion spring 680 and the rotating element 660 are sequentially penetrated, the end of the torsion spring corresponds to the shaft core 690 of the switch elastic sheet 650, and the shaft core 690 and the rotating element 660 are circumferentially positioned.

It should be noted that the electronic control board is connected to the inner surface of the casing 100 by screws or snaps and arranged parallel to the top surface of the casing 100, and is used as a carrier for each component of the MCU processor and the switch circuit 500, so as to implement the arrangement of each electrical component. The bottom case 610 and the shaft sleeve 620 are used together to accommodate the rest of the components of the control switch 600, and limit the rotation of the brush 670 relative to the terminal hardware piece 640 and the pressing movement of the switch elastic piece 650 relative to the terminal hardware piece 640 in a specific space, so as to prevent the electric arc generated when the brush 670 rotates relative to the terminal hardware piece 640 from damaging the other components inside the casing 100 and the precision of the player 10, thereby improving the safety and reliability of the player 10.

The terminal hardware 640 includes three pins, the bottom side of each pin is connected to a pin of the MCU processor for indicating a predetermined action of the playback unit 300, when the brush 670 rotates or the shaft core 690 presses the switch elastic sheet 650 to deform, the brush 670 or the switch elastic sheet 650 is connected to one of the pins of the terminal hardware 640, in this case, the switch circuit 500 sends a predetermined level signal to the MCU processor through the pin of the MCU processor corresponding to the pin, so that the MCU processor controls the playback unit 300 to perform the corresponding action.

The rotating part 660 is used for mounting the brush 670 and driving the brush 670 to rotate relative to the terminal hardware 640 by the core 690 so as to connect with the predetermined pin. Referring to fig. 6, in an embodiment, a square hole 661 is formed in the middle of the rotating member 660, the square hole 661 is engaged with the end of the shaft core 690 and is used for the shaft core 690 to pass through, an edge of one end of the inner cavity of the shaft sleeve 620 on the square hole 661 protrudes to form a limiting ring 662 having a cylindrical outer surface and used for sleeving the torsion spring 680, two arc-shaped plates 663 are symmetrically arranged on the periphery of the rotating member 660 with the square hole 661 as a center, and the sides of the two arc-shaped plates 663 are respectively and correspondingly abutted against a free end of the torsion spring 680 to limit the position and deformation of the free end. Further, please refer to fig. 7, a stopper 621 for limiting a position of a free end of the torsion spring 680 is disposed in an inner cavity of the shaft sleeve 620, the torsion spring 680 is sleeved on the limit ring 662, when the shaft core 690 drives the glue rotating member 660 and the torsion spring 680 to rotate, the free end of the torsion spring 680 abuts against the stopper 621, two free ends of the torsion spring 680 abut against and deform the stopper 621 in the shaft sleeve 620, and under a condition of a large rotation range, the two free ends of the torsion spring 680 are constrained by the outer ring surface of the limit ring 662 and the concave arc surface of the arc plate 663, so as to weaken deformation of the two free ends of the torsion spring 680, and prevent connection portions of the two free ends of the torsion spring 680 and the stopper 621 from falling off, so as to ensure reliability of the control switch 600. It should be noted that, in actual production, under the condition that the circumferential friction force between the shaft core 690 and the rotating part 660 is large and the connection between the shaft core 690 and the rotating part 660 is firm, a triangular hole, a pentagonal hole, and other non-circular polygonal or irregular holes may be used instead of the square hole 661, where the circumferential direction is the rotating direction of the shaft core 690, and no further description is given here.

Referring to fig. 6 and 8, in an embodiment, the bottom case 610 is provided with an annular positioning member 611 for defining a circumferential rotation track of the glue rotating member 660. Specifically, the bottom of the glue rotating piece 660 is provided with a round hole which is communicated with the square hole 661 and matched with the outer annular surface of the annular positioning piece 611, the inner diameter of the round hole is equal to the outer diameter of the annular positioning piece 611, so that when the glue rotating piece 660 rotates relative to the bottom case 610, the inner surface of the round hole of the glue rotating piece 660 is always attached to the outer annular surface of the annular positioning piece 611, the glue rotating piece 660 is prevented from shaking relative to the annular positioning piece 611 and the bottom case 610, and therefore the reliability of the action of the control switch 600 and the stability of the structure are improved. Further, in an embodiment, the ring side surface of the annular positioning member 611 is protruded to form a limiting portion 612 which is matched with the side of the arc plate 663 for limiting the rotation angle of the glue rotating member 660. Specifically, when the rotating member 660 rotates relative to the bottom case 610 until the side of the arc plate 663 adjacent to the limiting portion 612 abuts against the limiting portion 612, the rotating member 660 is difficult to further rotate under the action of the arc plate 663 and the limiting portion 612; when the rotating part 660 rotates reversely, when the edge side close to the limiting part 612 abuts against the limiting part 612 on the other arc-shaped plate 663 rotating the glue, the rotating part 660 is difficult to further rotate under the action of the arc-shaped plate 663 and the limiting part 612, that is, the rotating part 660 can only rotate in a certain area under the matching of the two arc-shaped plates 663 and the limiting part 612, namely, the rotating angle of the rotating part 660 is limited, and the overload damage of the torsion spring 680 caused by the overlarge rotating amplitude of the rotating part 660 is avoided, so that the service life of the control switch 600 is prolonged. In actual production, the central angle formed by the limiting part 612 and the two arc-shaped plates 663 which are matched and abutted with each other can be optimized and adjusted, so that the torsion spring 680 is protected, and the requirement of a user on a larger rotation angle of the control switch 600 is met.

In one embodiment, the brush 670 is a ring piece engaged with the bottom of the glue rotating element 660, and the surface of the ring piece protrudes toward the direction close to the inner cavity of the bottom case 610 to form a contact portion for connecting the pins on the connector tab 640 and sending an electrical signal to the main control chip of the player 10 during rotation. Further, the bottom symmetry that glues commentaries on classics piece 660 is equipped with a pair of projection, has seted up on the brush 670 and has corresponded a pair of cross-under hole of complex with the projection, and the brush 670 is central symmetrical structure, like this, in control switch 600's assembly process, only need with two projections correspond one cross-under hole of wearing to establish brush 670 to make the contact site towards drain pan 610 inner chamber, realize brush 670 and the equipment that glues commentaries on classics piece 660 promptly, greatly reduced control switch 600's the assembly degree of difficulty.

The shaft core 690 is a force transmission device for driving the brush 670 or the switch spring 650 to move under the action of an external driving force, so as to connect a specific pin on the terminal hardware 640 and input a corresponding level signal to the main control circuit 400. In an embodiment, a D-shaped groove 691 is formed in one end of the shaft core 690, which is far away from the bottom case 610, and the hand control 700 is installed at the D-shaped groove 691, so that, in the using process of the player 10, a user can drive the shaft core 690 and the rest of the related components to act by shifting or pressing the hand control 700, and the pressure of the hand control 700 on the hand of the user can be reduced by increasing the surface area of the controlled component, thereby reducing the operation difficulty of the player 10 and improving the comfort of the player.

The switch circuit 500 sends a level signal to the MCU processor when the shaft core 690 receives an external twisting force and drives the glue rotating part 660 to rotate, so that the brush 670 contacts the middle pin 641, the first side pin 642 or the second side pin 643; or when the shaft core 690 is acted by external pressure and presses the switch elastic sheet 650 to deform, the switch elastic sheet 650 is contacted with the middle pin 641, and a level signal is sent to the MCU processor; the MCU processor receives the level signal from the switch circuit 500 and controls the playback unit 300 to switch tracks, pause or start/stop.

Specifically, referring to fig. 3, fig. 9a and fig. 9b show circuit diagrams when the control switch 600 is used to turn on and off the player 10 and to control the bluetooth in the player 10 to be turned off, where fig. 9a is a switch control circuit diagram and fig. 9b is a power supply circuit diagram. Brush 670 is understood to be the moving contact of control switch 600, corresponding to pin 4 in fig. 9a, when control switch 600 is not turned, brush 670 of control switch 600 is connected to middle pin 641 of terminal hardware 640, i.e. is connected to pin 2, which is low. When the control switch 600 rotates until the brush 670 contacts the first side pin 642 of the terminal hardware 640, that is, the pin 1 and the pin 4 shown in fig. 9a are connected, PWR _ ON/OFF is pulled low, BAT is connected with 3.7V voltage, and at this time, the MCU processor is powered ON to work; after the MCU processor works, the PWR _ EN port is pulled up all the time, at this time, the control switch 600 is released, and the MCU processor is continuously powered on and is in a working state. When the control switch 600 is rotated again until the brush 670 contacts the first side pin 642 of the terminal stud 640, at this time, after the DET _ ON/OFF of the first side pin 642 detects a low level, the MCU processor pulls PWR _ EN low, and the MCU processor is powered OFF. When the control switch 600 is rotated in reverse until the brush 670 contacts the second side pin 643 of the terminal stud 640, pin 3 and pin 4 shown in fig. 9a are connected, and the BLUE _ OFF pin of the MCU processor detects a low level, i.e., the bluetooth provided in the control player 10 is disconnected.

In another embodiment, referring to fig. 3 and 10, fig. 10 shows a circuit diagram of the control switch 600 when used to control the audio frequency adjustment of the player 10. When the control switch 600 is not rotated, the brush 670 of the control switch 600 is connected to the middle pin 641 of the terminal hardware 640, when the control switch 600 is rotated until the brush 670 contacts the first side pin 642 of the terminal hardware 640, that is, the pin 1 and the pin 4 shown in fig. 10 are connected, at this time, the ADC _ KEY voltage is 0.3V, and after the MCU processor detects the voltage, the playing unit 300 is controlled to play the previous song/previous channel. When the control switch 600 rotates reversely until the brush 670 contacts the second side pin 643 of the terminal stud 640, the voltage of ADC _ KEY is 0.54V, and the MCU processor detects the voltage, the playing unit 300 is controlled to play the next song/next channel. When the control switch 600 is pressed, the switch elastic sheet 650 is connected to the middle pin 641, that is, the first side pin 642 and the second side pin 643 are respectively short-circuited to the middle pin 641, and at this time, the ADC _ KEY voltage is 0V, and the MCU processor controls the playing unit 300 to pause playing after detecting the voltage. It should be noted that, in actual production, the switch circuit 500 may be further expanded or changed to adapt the control switch 600 to other function adjustments of the player 10, such as control adjustment operations of volume adjustment, network connection, and the like.

In the player 10 of the present invention, the torsion spring 680 is sleeved on the glue rotating member 660 of the control switch 600, when the shaft core 690 drives the glue rotating member 660 to rotate, the brush 670 at the bottom of the glue rotating member 660 rotates from the middle pin 641 on the terminal hardware 640 to the first side pin 642 or the second side pin 643, so that the switch circuit 500 sends a level signal to the MCU processor through the pin at the predetermined position on the MCU processor, so that the MCU processor controls the playing unit 300 to execute corresponding actions, such as switching songs or starting and stopping the audio playing function, after the shaft core 690 is released, the torsion spring 680 drives the glue rotating member 660 and the brush 670 to reset to the middle pin 641, so that the user can adjust the control switch 600 in the subsequent adjusting process of the player 10, the setting of the control switch 600 can avoid the problem of impacting the shell of the player 10 caused by misoperation when the switch knob rotates, which is beneficial to extending the service life of the control switch 600. In addition, in the use process of the player 10, the switch elastic sheet 650 may be pressed and deformed by pressing the shaft core 690, so as to achieve the communication between the switch elastic sheet 650 and the middle pin 641, so as to transmit the level signal to another pin of the MCU processor, so that the MCU processor controls the playing unit 300 to perform a corresponding action, such as controlling the playing unit 300 to pause playing, in this way, in the production and assembly processes of the player 10, the control switch 600 with the same structure may be adopted, only the circuit structure arrangement of the switch circuit 500 and the pin position connected with the MCU processor are adjusted, i.e. the control of the corresponding function of the player 10 is achieved, the versatility of the control switch 600 is greatly enhanced, thereby being beneficial to reducing the production cost of the player 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A player (10) comprises a casing (100), a power supply unit (200) accommodated in the casing (100), and a playing unit (300),

the player (10) further comprises a master control circuit (400) with an MCU processor and a switch circuit (500) for sending an electrical signal to the master control circuit (400), the switch circuit (500) comprising a control switch (600) for adjusting the working state or working mode of the player (10);

the control switch (600) comprises a bottom shell (610) which is accommodated in the shell (100) and fixed on an electric control board of the player (10) and a shaft sleeve (620) which is detachably connected with the top of the bottom shell (610); the terminal hardware lug (640) is accommodated in the bottom shell (610) and is provided with a middle pin and a first side pin and a second side pin which are symmetrically arranged at two sides of the middle pin, and the middle pin, the first side pin and the second side pin are respectively connected with different pins on the MCU processor; the middle part of the switch elastic sheet (650) is arched and is arranged in the middle of the terminal hardware sheet (640); the glue rotating piece (660) is accommodated in the inner cavity of the shaft sleeve (620) and the bottom of the glue rotating piece is provided with a brush (670) matched with the terminal hardware piece (640); the torsion spring (680) is sleeved on the rotating part (660), two free ends of the torsion spring are respectively abutted and matched with the inner surface of the shaft sleeve (620), and the torsion spring is used for driving the rotating part (660) and the brush (670) to reset when the rotating part (660) rotates; the top surface of the shell (100), the shaft sleeve (620), the torsion spring (680) and the rotating part (660) are sequentially arranged in a penetrating manner, the tail end of the torsion spring corresponds to a shaft core (690) of the switch elastic sheet (650), and the shaft core (690) and the rotating part (660) are circumferentially positioned;

the switch circuit (500) is used for sending a level signal to the MCU processor when the shaft core (690) is subjected to external torsional force and drives the glue rotating piece (660) to rotate so that the brush (670) is contacted with the middle pin, the first side pin or the second side pin; or when the shaft core (690) is acted by external pressure and presses the switch elastic sheet (650) to deform, the switch elastic sheet (650) is enabled to be in contact with the middle pin, and a level signal is sent to the MCU processor; the MCU processor receives the level signal sent by the switch circuit (500) and controls the play unit (300) to switch tracks, pause or start and stop.

2. The player (10) of claim 1, wherein a square hole (661) is formed in the middle of the glue rotating member (660) and is matched with the tail end of the shaft core (690) to allow the shaft core (690) to pass through, an edge of one end of the square hole (661) facing the inner cavity of the shaft sleeve (620) protrudes to form a limiting ring (662) having a cylindrical outer surface and used for sleeving the torsion spring (680), two arc-shaped plates (663) are symmetrically arranged on the periphery of the glue rotating member (660) by taking the square hole (661) as a center, and the lateral sides of the two arc-shaped plates (663) are respectively and correspondingly abutted against one free end of the torsion spring (680) to limit the position and deformation of the free end.

3. Player (10) according to claim 2, characterized in that said bottom shell (610) is provided with a circular positioning element (611) for defining a circumferential rotation trajectory of said glue rotating element (660).

4. Player (10) according to claim 3, characterized in that the annular side of the annular positioning element (611) is raised to form a stop (612) cooperating with the side of the arc-shaped plate (663) for defining the corner of the glue flap (660).

5. The player (10) of claim 1, wherein the brush (670) is a ring piece clamped with the bottom of the glue rotating piece (660), and the surface of the ring piece protrudes towards the direction close to the inner cavity of the bottom case (610) to form a contact part for connecting the pins on the terminal hardware piece (640) and sending an electrical signal to a main control chip of the player (10) when rotating.

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