CN217363384U

CN217363384U - Bluetooth earphone

Info

Publication number: CN217363384U
Application number: CN202220570464.6U
Authority: CN
Inventors: 张未繁; 王泉栋; 江忠胜; 娄阳
Original assignee: Zhuhai Hongsen Electronic Technology Co ltd
Current assignee: Zhuhai Hongsen Electronic Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-09-02
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a Bluetooth earphone, which comprises an earphone shell, a circuit board is arranged in the earphone shell, a threaded post and a first spring are respectively and fixedly arranged on the inner wall of the bottom of the earphone shell, the first spring is positioned at one side of the threaded post, a nut is arranged at the top of the circuit board, a fixed plate is fixedly arranged on the side wall of the circuit board, a fixed hole is arranged on the outer wall of the top of the fixed plate, the top end of the first spring is connected with a buffer plate, the fixed plate, the nut, the first spring and the buffer plate are arranged, after the fixed plate is sleeved on the threaded post, the nut is screwed on the threaded post, the circuit board moves downwards and contacts the buffer plate at the moment, the circuit board is buffered under the coordination of the first spring, thereby the effect of convenient installation and difficult damage is achieved, the connecting frame and the clamping plate are mutually clamped, so that the heat dissipation plate and the circuit board are mutually fixed, thereby being beneficial to radiating the circuit board and prolonging the service life.

Description

Bluetooth earphone

Technical Field

The utility model relates to a circuit board technical field, in particular to bluetooth headset.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminium nitride ceramic circuit board, PCB board, aluminium base board, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed circuit board etc. the circuit board makes the circuit miniaturation, visualizes, plays important effect to the batch production of fixed circuit and optimization electrical apparatus overall arrangement.

At present, when the circuit board is installed through screws, the circuit board is inconvenient to install and is easy to damage, in addition, the heat dissipation condition of the circuit board is not good in the using process, and the service life of an electronic element is low due to the fact that a large amount of heat is easily accumulated inside the circuit board after the circuit board is used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bluetooth headset to propose present earphone shell circuit board in solving above-mentioned background art, when passing through the mounting screw circuit board, the inconvenient problem that leads to the damage easily of circuit board installation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bluetooth headset, includes earphone shell, earphone shell's inside is provided with the circuit board, on earphone shell's the bottom inner wall respectively fixed mounting have screw thread post and first spring, just first spring is located one side of screw thread post, the top of circuit board is provided with the nut, fixed mounting has the fixed plate on the lateral wall of circuit board, the fixed orifices has been seted up on the top outer wall of fixed plate, the top of first spring is connected with the buffer board.

Preferably, the side wall of the threaded column is sleeved with a rubber sleeve.

Preferably, a fixed cylinder is fixedly mounted on the inner wall of the bottom of the earphone shell, a fixed rod is fixedly mounted on the outer wall of the bottom of the circuit board, and the fixed rod is clamped with the fixed cylinder.

Preferably, a clamping plate is installed on the outer wall of the top of the circuit board, a second spring is fixedly installed on the inner wall of the clamping plate, and one end of the second spring is connected with a convex block.

Preferably, the top of circuit board is provided with the heating panel, install the fin on the top outer wall of heating panel, fixed mounting has the carriage on the bottom outer wall of heating panel, the spacing groove has been seted up on the inner wall of carriage, the spacing groove with lug looks joint, the carriage with the joint is mutually connected.

Preferably, the outer wall of the top of the heat dissipation plate is provided with heat dissipation holes.

The utility model discloses a technological effect and advantage:

1. through the screw thread post, fixed plate, nut, first spring and the buffer board that set up, the fixed plate cover back on the screw thread post, the nut is twisted on the screw thread post, and circuit board downstream and contact the buffer board this moment, under the cooperation of first spring, cushions the circuit board to play the not fragile effect of installation of being convenient for.

2. Through the heating panel, the splice frame, joint board and the fin that set up, mutual joint between splice frame and the joint board makes heating panel and circuit board reciprocal anchorage, and the heat that the fin sent the circuit board dispels the heat to be favorable to dispelling heat, increase of service life to the circuit board.

Drawings

Fig. 1 is an explosion diagram of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the earphone shell plane structure of the present invention.

Fig. 3 is a bottom view of the circuit board three-dimensional structure of the present invention.

Fig. 4 is a cross-sectional view of the three-dimensional structure of the joint plate of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the heat dissipating plate of the present invention.

In the figure: 1. an earphone housing; 2. a circuit board; 3. a threaded post; 4. a rubber sleeve; 5. a fixing plate; 6. A fixing hole; 7. a nut; 8. a first spring; 9. a buffer plate; 10. a fixed cylinder; 11. fixing the rod; 12. A clamping and connecting plate; 13. a second spring; 14. a bump; 15. a heat dissipation plate; 16. a connecting frame; 17. a limiting groove; 18. a heat sink; 19. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a bluetooth headset as shown in fig. 1-5, including earphone casing 1, earphone casing 1's inside is provided with circuit board 2, on earphone casing 1's the bottom inner wall respectively fixed mounting have screw thread post 3 and first spring 8, and first spring 8 is located one side of screw thread post 3, circuit board 2's top is provided with nut 7, fixed mounting has fixed plate 5 on circuit board 2's the lateral wall, fixed orifices 6 has been seted up on fixed plate 5's the top outer wall, first spring 8's top is connected with buffer board 9, the fixed plate 5 cover on circuit board 2 surface is on screw thread post 3, fixed orifices 6 is fixed with screw thread post 3, nut 7 twists on screw thread post 3, thereby circuit board 2 removes downwards, cushion circuit board 2 through buffer board 9 and first spring 8, be convenient for install.

In this embodiment, the cover is equipped with rubber sleeve 4 on the lateral wall of screw thread post 3, when twisting nut 7, and nut 7 extrusion fixed plate 5 for fixed plate 5 extrudees rubber sleeve 4 downwards, and cooperation buffer board 9 makes circuit board 2 buffering effect better.

In this embodiment, fixed mounting has a fixed section of thick bamboo 10 on the bottom inner wall of earphone house 1, and fixed mounting has dead lever 11 on the bottom outer wall of circuit board 2, and dead lever 11 and fixed section of thick bamboo 10 looks joint, and when installing circuit board 2, dead lever 11 is deep inside fixed section of thick bamboo 10, further carries on spacingly to circuit board 2.

In this embodiment, a clamping plate 12 is installed on the outer wall of the top of the circuit board 2, a second spring 13 is fixedly installed on the inner wall of the clamping plate 12, a bump 14 is connected to one end of the second spring 13, a heat dissipation plate 15 is installed on the top of the circuit board 2, a heat dissipation plate 18 is installed on the outer wall of the top of the heat dissipation plate 15, a connection frame 16 is fixedly installed on the outer wall of the bottom of the heat dissipation plate 15, a limit groove 17 is formed on the inner wall of the connection frame 16, the limit groove 17 is clamped with the bump 14, the connection frame 16 is clamped with the clamping plate 12, a heat dissipation hole 19 is formed on the outer wall of the top of the heat dissipation plate 15, the connection frame 16 is inserted from one end of the clamping plate 12, when the limit groove 17 is overlapped with the bump 14, the second spring 13 resets the bump 14, therefore, the bump 14 and the limiting groove 17 are clamped with each other, and in the process of using the Bluetooth headset, the heat dissipation hole 19 and the heat dissipation fins 18 dissipate heat of the circuit board 2, so that the service life of the circuit board 2 is prolonged.

This practical theory of operation: the utility model relates to a bluetooth headset at first sheathes the carriage 16 of heating panel 15 bottom from 12 one end of joint plate, and carriage 16 extrudes lug 14, and lug 14 extrudes second spring 13 and stretches out and draws back inside joint plate 12, and when 16 inside spacing grooves 17 of carriage coincide with lug 14, second spring 13 resets lug 14 for 14 joints of lug are inside spacing grooves 17, and circuit board 2 is fixed with heating panel 15.

Then install circuit board 2, aim at screw post 3 with fixed orifices 6 on fixed plate 5 surfaces for fixed plate 5 covers on screw post 3, and nut 7 is twisted on screw post 3, makes circuit board 2 downstream and extrudees buffer board 9 and rubber sleeve 4, and first spring 8 is compressed, cushions circuit board 2, and dead lever 11 goes deep into inside solid fixed cylinder 10, carries out spacing fixed to circuit board 2, accomplishes circuit board 2's installation at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A Bluetooth headset, comprising a headset housing (1), characterized in that: the inside of earphone casing (1) is provided with circuit board (2), on the bottom inner wall of earphone casing (1) respectively fixed mounting have screw thread post (3) and first spring (8), just first spring (8) are located one side of screw thread post (3), the top of circuit board (2) is provided with nut (7), fixed mounting has fixed plate (5) on the lateral wall of circuit board (2), fixed orifices (6) have been seted up on the top outer wall of fixed plate (5), the top of first spring (8) is connected with buffer board (9).

2. A bluetooth headset according to claim 1, characterized in that: the lateral wall of the threaded column (3) is sleeved with a rubber sleeve (4).

3. A bluetooth headset according to claim 1, characterized in that: fixed mounting has solid fixed cylinder (10) on the bottom inner wall of earphone casing (1), fixed mounting has dead lever (11) on the bottom outer wall of circuit board (2), dead lever (11) with gu fixed cylinder (10) looks joint.

4. A bluetooth headset according to claim 1, characterized in that: install joint board (12) on the top outer wall of circuit board (2), fixed mounting has second spring (13) on the inner wall of joint board (12), the one end of second spring (13) is connected with lug (14).

5. A Bluetooth headset according to claim 4, wherein: the top of circuit board (2) is provided with heating panel (15), install fin (18) on the top outer wall of heating panel (15), fixed mounting has connect frame (16) on the bottom outer wall of heating panel (15), spacing groove (17) have been seted up on the inner wall of connect frame (16), spacing groove (17) with lug (14) looks joint, connect frame (16) with joint board (12) looks joint.

6. A Bluetooth headset according to claim 5, wherein: the top outer wall of the heat dissipation plate (15) is provided with heat dissipation holes (19).