CN216980122U

CN216980122U - Dustproof serial port MP3 player

Info

Publication number: CN216980122U
Application number: CN202220851886.0U
Authority: CN
Inventors: 车朋
Original assignee: Hefei Pengfang Technology Development Co ltd
Current assignee: Hefei Pengfang Technology Development Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-15
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a dustproof serial port MP3 player, which comprises a player body and a serial port connector, wherein the top of the player body is provided with a plurality of groups of control buttons, one group of side surfaces of the player body are provided with a power supply port, a USB interface and a memory card port, the other group of side surfaces of the player body are provided with a serial port socket and a secondary socket, the inner side wall of the serial port socket is rotatably connected with two groups of symmetrical dustproof covers through two groups of rotating shafts, and the inside of the player body is provided with a sealed air passage. When the player is not used, the serial port socket can be sealed through the dustproof cover, dust is prevented from entering the serial port socket, the dustproof cover can be automatically opened along with the insertion of the serial port connector when the player is used, the dustproof cover can be automatically sealed when the serial port connector is pulled out, efficient dustproof protection of a serial port base is achieved, faults caused by the entering of dust and impurities are prevented, and the stable work and reliability of the player body are guaranteed.

Description

Dustproof serial port MP3 player

Technical Field

The utility model relates to the technical field of multimedia players, in particular to a dustproof serial port MP3 player.

Background

The serial interface is called a serial port for short, also called a serial communication interface or a serial communication interface, and is an expansion interface adopting a serial communication mode; the serial interface means that data is sequentially transmitted bit by bit; the communication line is simple, and only one pair of transmission lines can realize bidirectional communication (telephone lines can be directly used as the transmission lines), so that the cost is greatly reduced, and the communication line is particularly suitable for long-distance communication, but has a lower transmission speed.

The current MP3 player technology has application to the serial port technology, and the USB flash disk, the TF card and the appointed file in the computer can be played and controlled through the serial port type MP3, so that the playing cost is lower compared with the playing cost of the traditional central control computer, and the requirement degree on a fixed power supply is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a dustproof serial port MP3 player.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a dustproof serial port MP3 player comprises a player body and a serial port connector, wherein the top of the player body is provided with a plurality of groups of control buttons, one group of side surfaces of the player body is provided with a power supply port, a USB interface and a memory card port, the other group of side surfaces of the player body is provided with a serial port socket and a second-level socket, the inner side wall of the serial port socket is rotatably connected with two groups of symmetrical dustproof covers through two groups of rotating shafts, the inside of the player body is provided with a sealed air passage, two ends of the sealed air passage are respectively arranged at two sides of the inner side wall of the serial port socket, a first piston rod is movably sleeved at the opening of the sealed air passage in a limiting way, a second piston rod is movably sleeved at the inner side wall of the first piston rod in a limiting way, two groups of symmetrical sealed sleeves are fixedly arranged at the bottom of the inner side wall of the serial port socket, and a starting telescopic column is sleeved at the inner side wall of the sealed sleeves in a limiting way, and a serial port base is fixedly arranged at the top end of the starting telescopic column.

Preferably, the bottom of the inner side wall of the sealing sleeve is provided with a channel communicated with the sealing air passage, the joint keeps sealed, a limiting spring is fixedly mounted between the serial port base and the bottom of the inner side wall of the serial port socket, and the limiting spring is located on the outer side of the sealing sleeve.

Preferably, the limiting sliding block is sleeved in the inner limiting movable sleeve of the dustproof cover, two groups of symmetrical fixed rotating heads are fixedly mounted on one side of the bottom of the serial port socket towards the limiting sliding block, and the fixed rotating heads are rotatably connected with one end of the second piston rod through a set of fixed shaft.

Preferably, the sealing performance is kept between the second piston rod and the inner side wall of the first piston rod and between the first piston rod and the inner side wall of the sealed air passage, and the diameter of one end, matched with the first piston rod, of the sealed air passage is larger than that of the sealed air passage at the bottom.

Preferably, the movable block has been cup jointed in the spacing activity of inside symmetry at serial ports connector both ends, the one end of movable block is provided with and extends to the outside arch of serial ports connector, the movable block is located the inside one end of serial ports connector with fixed mounting has compression spring between the serial ports connector, the bottom fixed mounting of movable block has movable slider.

Preferably, an inclined plane is formed on one side of the movable sliding block, which is far away from the serial port connector, and a clamping groove matched with the movable sliding block is formed in the top of the player body.

Compared with the prior art, the utility model has the beneficial effects that:

1. when not using, can seal serial ports socket through the shield, prevent that the dust from getting into, can open the shield automatically along with serial ports connector's insertion when using, when extracting serial ports connector, the shield can realize self-sealing again, has realized the high-efficient dustproof protection to serial ports base, prevents that dust and impurity from getting into to lead to the trouble to take place, has guaranteed the steady operation and the reliability of player organism.

2. Compare in traditional screw formula connected mode, not only can realize good fixed effect to serial ports connector, install moreover with dismantle convenient more laborsaving.

Drawings

Fig. 1 is a schematic view of an external structure of a dustproof serial MP3 player according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a serial port socket of a dustproof serial MP3 player according to the present invention;

fig. 3 is a schematic view of an internal structure of a first piston rod of a dustproof serial MP3 player according to the present invention;

fig. 4 is a schematic diagram of an internal structure of a serial port socket of a dustproof serial MP3 player according to the present invention;

fig. 5 is an enlarged view of fig. 4 a according to the present invention.

In the figure: 1. a player body; 2. a control button; 3. a power port; 4. a USB interface; 5. A memory card socket; 6. a serial port socket; 7. a dust cover; 8. a secondary socket; 9. sealing the air passage; 10. a first piston rod; 11. a second piston rod; 12. a sealing sleeve; 13. starting the telescopic column; 14. a limiting spring; 15. a serial port base; 16. a serial port connector; 17. a movable block; 18. a compression spring; 19. a clamping groove; 20. a movable slide block; 21. fixing the rotary head; 22. and a limiting sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a dustproof serial port MP3 player comprises a player body 1 and a serial port connector 16, wherein the top of the player body 1 is provided with a plurality of sets of control buttons 2, one set of side surfaces of the player body 1 is provided with a power supply port 3, a USB port 4 and a memory card port 5, the other set of side surfaces of the player body 1 is provided with a serial port socket 6 and a secondary socket 8, the inner side wall of the serial port socket 6 is rotatably connected with two sets of symmetrical dust caps 7 through two sets of rotating shafts, the player body 1 is internally provided with a sealed air passage 9, two ends of the sealed air passage 9 are respectively arranged at two sides of the inner side wall of the serial port socket 6, a first piston rod 10 is movably sleeved at the opening of the sealed air passage 9 in a limiting manner, a second piston rod 11 is movably sleeved at the inner side wall of the first piston rod 10 in a limiting manner, two sets of symmetrical sealed sleeves 12 are fixedly arranged at the bottom of the inner side wall of the serial port socket 6, a starting telescopic column 13 is movably sleeved on the inner side wall of the sealing sleeve 12 in a limiting manner, and a serial port base 15 is fixedly installed at the top end of the starting telescopic column 13;

specifically, the control button 2 is electrically connected with a control element inside the player body 1, which is the prior art; a torsion spring is arranged between the rotating shaft connected with the dustproof cover 7 and the player body 1, and can automatically drive the dustproof cover 7 to reset to seal the serial port socket 6 when no external force interference exists; the inside of the sealed air channel 9 is filled with compressed air, and the joints of all the pipelines maintain tightness.

As shown in fig. 2, a channel communicated with the sealing air channel 9 is arranged at the bottom of the inner side wall of the sealing sleeve 12, the joint keeps sealed, a limiting spring 14 is fixedly arranged between the serial port base 15 and the bottom of the inner side wall of the serial port socket 6, and the limiting spring 14 is positioned at the outer side of the sealing sleeve 12;

specifically, limiting spring 14 is stretched when serial port base 15 rises, and when serial port connector 16 was extracted, limiting spring 14's elasticity can drive serial port base 15 and reset to through starting flexible post 13 and promoting along the promotion of sealed sleeve 12 inside walls to the inside compressed gas of sealed air flue 9 promotion, drive first piston rod 10 and second piston rod 11 and reset, and promote shield 7 and reset and seal serial port socket 6.

As shown in fig. 3, a limiting slider 22 is movably sleeved in the interior of the dust cover 7, two sets of symmetrical fixed rotating heads 21 are fixedly mounted on one side of the limiting slider 22 facing the bottom of the serial port socket 6, and the fixed rotating heads 21 are rotatably connected with one end of the second piston rod 11 through a set of fixed shafts.

As shown in fig. 2, the tightness is maintained between the second piston rod 11 and the inner side wall of the first piston rod 10 and between the first piston rod 10 and the inner side wall of the sealing air passage 9, and the diameter of the end of the sealing air passage 9, which is adapted to the first piston rod 10, is larger than the diameter of the bottom sealing air passage 9;

specifically, through the sliding design of the limiting slide block 22, the axial stress of the second piston rod 11 can be always kept between the second piston rod 11 and the fixed rotor 21, so that the second piston rod 11 is prevented from being bent; and when second piston rod 11 promoted towards the inside of first piston rod 10, the decrement is less, when second piston rod 11 drove first piston rod 10 to the inside compressed gas compression of sealed air flue 9, the decrement promotes by a wide margin, can drive serial ports base 15 and rise, prevents that serial ports base 15 just begins to rise when just beginning to promote shield 7 and leads to serial ports base 15 and shield 7 to take place contact and collision.

As shown in fig. 5, the movable block 17 is sleeved in the internal symmetrical limiting movable positions at the two ends of the serial port connector 16, a protrusion extending to the outside of the serial port connector 16 is arranged at one end of the movable block 17, a compression spring 18 is fixedly arranged between one end of the movable block 17 located inside the serial port connector 16 and the serial port connector 16, and a movable sliding block 20 is fixedly arranged at the bottom of the movable block 17.

As shown in fig. 5, an inclined plane is formed on one side of the movable slider 20 away from the serial port connector 16, and a locking groove 19 adapted to the movable slider 20 is formed on the top of the player body 1.

In the utility model, when the device is not used, the serial port socket 6 can be sealed by the dustproof cover 7 to prevent dust from entering, when the device needs to be inserted into the serial port connector 16, the socket at the top end of the serial port connector 16 is pushed towards the dustproof cover 7, the dustproof cover 7 is pushed to rotate by the socket at the top end of the serial port connector 16, the sliding of the limit slider 22 drives the second piston rod 11 to move towards the first piston rod 10, the compressed gas in the first piston rod 10 and the sealed air passage 9 is compressed by the second piston rod 11, when the second piston rod 11 is contacted with the bottom of the inner side wall of the first piston rod 10, the compressed gas in the sealed air passage 9 is greatly compressed by pushing the first piston rod 10, the telescopic column 13 is pushed by the transmission of the compressed gas to push the serial port base 15 to ascend, and simultaneously drive the limit spring 14 to stretch, along with the ascending of the serial port base 15 and the insertion of the socket at the top end of the serial port connector 16, the relative approaching motion of the serial port base 15 and the serial port connector 16 can be realized, the insertion of the socket at the top end of the serial port connector 16 and the serial port base 15 is realized, the serial port connector 16 is continuously pushed towards the player body 1, the inclined surface of the movable slider 20 is contacted with the side wall at the top of the clamping groove 19, the movable slider 20 is pushed towards the serial port connector 16 to compress the compression spring 18, when the bottom of the movable slider 20 is contacted with the bottom of the inner side wall of the clamping groove 19, the movable slider 20 is pushed to be embedded into the clamping groove 19 under the elastic force action of the compression spring 18, the clamping of the movable slider 20 is realized, the fixation of the serial port connector 16 is realized, the compression of the compression spring 18 can be realized only by pushing the part of the movable block 17 extending to the outer side of the serial port connector 16 during disassembly, and the limit clamping of the movable slider 20 and the clamping groove 19 is released simultaneously, compare in traditional screw formula connected mode, not only can realize stable fixed effect, install moreover with dismantle convenient more laborsaving.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A dustproof serial port MP3 player comprises a player body (1) and a serial port connector (16), and is characterized in that a plurality of groups of control buttons (2) are arranged at the top of the player body (1), a power port (3), a USB interface (4) and a memory card socket (5) are arranged on one group of side faces of the player body (1), a serial port socket (6) and a secondary socket (8) are arranged on the other group of side faces of the player body (1), the inner side wall of the serial port socket (6) is rotatably connected with two groups of symmetrical dustproof covers (7) through two groups of rotating shafts, a sealed air passage (9) is arranged inside the player body (1), two ends of the sealed air passage (9) are respectively arranged on two sides of the inner side wall of the serial port socket (6), a first piston rod (10) is movably sleeved at the position of an opening of the sealed air passage (9) in a limiting manner, the spacing activity of the inside wall of first piston rod (10) has cup jointed second piston rod (11), the inside wall bottom fixed mounting of serial ports socket (6) has two sets of symmetrical sealed sleeves (12), the inside wall activity of sealed sleeve (12) is spacing to have cup jointed and starts flexible post (13), the top fixed mounting that starts flexible post (13) has serial ports base (15).

2. The dustproof serial port MP3 player according to claim 1, wherein a channel communicated with the sealing air channel (9) is arranged at the bottom of the inner side wall of the sealing sleeve (12), the joint keeps sealed, a limiting spring (14) is fixedly installed between the serial port base (15) and the bottom of the inner side wall of the serial port socket (6), and the limiting spring (14) is located outside the sealing sleeve (12).

3. The dustproof serial port MP3 player according to claim 2, wherein a limiting slider (22) is sleeved in the dustproof cover (7) in a limiting manner, two groups of symmetrical fixed rotating heads (21) are fixedly mounted on one side of the limiting slider (22) facing the bottom of the serial port socket (6), and the fixed rotating heads (21) are rotatably connected with one end of the second piston rod (11) through a group of fixed shafts.

4. The dustproof serial port MP3 player according to claim 3, wherein a seal is maintained between the second piston rod (11) and the inner sidewall of the first piston rod (10) and between the first piston rod (10) and the inner sidewall of the sealed air channel (9), and the diameter of the end of the sealed air channel (9) fitted to the first piston rod (10) is larger than the diameter of the sealed air channel (9) at the bottom.

5. The dustproof serial MP3 player according to claim 4, wherein a movable block (17) is sleeved on the two ends of the serial connector (16) in a symmetrical limiting manner, a protrusion extending to the outside of the serial connector (16) is arranged at one end of the movable block (17), the movable block (17) is positioned at one end inside the serial connector (16) and between the serial connector (16), a compression spring (18) is fixedly installed, and a movable sliding block (20) is fixedly installed at the bottom of the movable block (17).

6. The dustproof serial port MP3 player according to claim 5, wherein an inclined plane is formed on one side of the movable slider (20) away from the serial port connector (16), and a clamping groove (19) matched with the movable slider (20) is formed on the top of the player body (1).