TWS earphone

Abstract

The utility model provides a TWS earphone, which comprises a listening ball, a connecting bridge and a comfortable bean, the listening ball and the comfortable bean are connected into a whole through the connecting bridge, the comfortable bean comprises a shell, a PCB (printed circuit board), a storage battery, an earphone magnet and a charging column, the PCB, the storage battery, the earphone magnet and the charging column are arranged in the shell, and the charging column comprises a connecting plate and a stepped connecting column fixedly connected with the connecting plate. The shell is provided with a supporting surface corresponding to the connecting plate and a clamping groove corresponding to the stepped connecting column, the charging column and the shell are clamped through the stepped connecting column and the clamping groove, the connecting plate and the supporting surface are used for limiting the position of the charging column clamped into the clamping groove, and the TWS earphone provided by the utility model is simple to assemble and high in precision.

Description

Technical Field

[0001] The utility model relates to the technical field of Bluetooth earphones, and in particular to a TWS earphone. Background Art

[0002] Bluetooth headsets, especially TWS (True Wireless Stereo) headsets, are required to be small in size, light in weight, have long battery life, and have low cost.

[0003] At present, the battery in Bluetooth headsets is generally set in the headphone head. For the charging and discharging contact part of the headphone head, the charging copper column + ear shell structure is used. Riveting is the most commonly used connection method between the charging copper column and the ear shell, because it can reduce the size and weight of the headphone head. However, the disadvantage of this method is that the assembly requires the use of tooling and jigs, and the assembly accuracy of the charging copper column and the shell is also affected by the accuracy of the tooling and jigs. The assembly process cost is high and there are many defective products. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a TWS headset to at least solve the deficiencies in the above-mentioned prior art.

[0005] The utility model provides a TWS headset, comprising a listening ball, a connecting bridge, and a comfort bean, wherein the listening ball and the comfort bean are connected as a whole via the connecting bridge, the comfort bean comprises a shell, a PCB board arranged in the shell, a battery, an earphone magnet, and a charging column, the charging column comprises a connecting plate and a stepped connecting column fixed to the connecting plate, the shell is provided with a supporting surface corresponding to the connecting plate and a card slot corresponding to the stepped connecting column, the charging column and the shell are card-connected via the stepped connecting column and the card slot, and the connecting plate and the supporting surface are used to limit the position of the charging column being carded into the card slot.

[0006] Compared with the prior art, the beneficial effects of the utility model are as follows: the TWS earphones provided by the utility model include a listening ball, a connecting bridge, and a comfort bean. The listening ball and the comfort bean are connected as a whole through the connecting bridge. The listening ball can be used to receive audio signals for playback. The comfort bean includes a shell, a PCB board arranged in the shell, a battery, an earphone magnet, and a charging column; the charging column includes a connecting plate and a stepped connecting column fixed to the connecting plate. When assembling the earphones, first press the charging column lightly onto the shell, wherein the connecting plate of the charging column is inside the shell, and the stepped connecting column passes through the shell and faces outward, and is limited by the card slot, so that the assembly is simple and the cost is low; then the installed listening ball and the connecting bridge are installed on the shell, and finally the earphone magnet, the PCB board, and the battery are installed in sequence to complete the assembly process; the TWS earphones provided by the utility model are installed by snapping the stepped connecting column and the shell, so that the assembly is simple, accurate and reliable, the cost is low, and the yield rate is high.

[0007] Preferably, the stepped connecting column includes a first connecting column and a second connecting column which are coaxially located on one side of the connecting plate, the first connecting column is fixed to the connecting plate, the second connecting column is fixed to an end of the first connecting column away from the connecting plate, and the outer diameter of the first connecting column is smaller than the outer diameter of the second connecting column.

[0008] Preferably, a connecting area between the first connecting column and the second connecting column is provided with an annular protrusion, the outer diameter of the annular protrusion is larger than the outer diameter of the second connecting column, and a first guiding slope is provided at the connecting area between the annular protrusion and the second connecting column.

[0009] Preferably, the slot comprises a through hole coaxial with the connecting plate, the inner diameter of the through hole is adapted to the outer diameter of the second connecting column, an annular groove is provided on the inner wall of the through hole, and the inner diameter of the annular groove is not less than the outer diameter of the annular protrusion.

[0010] Preferably, a second guiding inclined surface is provided between the through hole and the supporting surface.

[0011] Preferably, the shell comprises an upper shell and a lower shell that are detachably connected, the upper shell is provided with a connecting pin, and the lower shell is provided with a pin hole that matches the connecting pin.

[0012] Preferably, a connecting protrusion is provided on one side of the lower shell, and the comfort bean is fixedly connected to the connecting bridge via the connecting protrusion, and the card slot is provided below the side surface of the shell opposite to the connecting protrusion.

[0013] Preferably, there are two charging posts and one headphone magnet, and the two charging posts are respectively arranged on both sides of the headphone magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a TWS headset in an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the TWS headset from another perspective in an embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the exploded structure of the TWS earphone comfort bean in the embodiment of the utility model;

[0017] Figure 4 for Figure 3 Schematic diagram of the internal structure of the middle and lower shells;

[0018] Figure 5 for Figure 4 A schematic diagram of the partially enlarged structure at center A;

[0019] Figure 6 for Figure 3 Schematic diagram of the middle charging column structure;

[0020] Figure 7 for Figure 3 Schematic diagram of the structure after the middle charging column is installed in the lower shell.

[0021] Description of main component symbols:

[0022] 10. Listening ball; 20. Connecting bridge; 30. Comfort beans; 31. PCB board; 32. Battery; 33. Headphone magnet; 34. Charging column; 341. Connecting plate; 342. Stepped connecting column; 3421. First connecting column; 3422. Second connecting column; 3423. Annular protrusion; 3424. First guide slope; 40. Shell; 41. Support surface; 42. Slot; 421. Through hole; 422. Annular groove; 43. Upper shell; 431. Connecting pin; 44. Lower shell; 441. Pin hole; 442. Connecting protrusion; 45. Second guide slope.

[0023] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0027] See also Figure 1-Figure 7The TWS earphone provided by the embodiment of the utility model includes a listening ball 10, a connecting bridge 20, and a comfort bean 30. The listening ball 10 and the comfort bean 30 are connected as a whole through the connecting bridge 20. The listening ball 10 includes a speaker and a listening ball front cavity and a listening ball rear cavity of a plastic structure. The listening ball 10 can be used to receive audio signals for playback; the connecting bridge 20 is a "C"-shaped connecting bridge; the comfort bean 30 includes a shell 40, a PCB board 31 arranged in the shell 40, a battery 32, an earphone magnet 33, and a charging column 34. The charging column 34 can be a charging copper column. The charging column 34 includes a connecting plate 341 and a stepped connecting column 342 fixed to the connecting plate. The shell 40 is provided with a connecting plate 34 1 corresponding to the support surface 41 and the card slot 42 corresponding to the stepped connecting column 342, the charging column 34 and the shell 40 are carded together through the stepped connecting column 342 and the card slot 42, and the connecting plate 341 cooperates with the supporting surface 41 to limit the position of the charging column 34 carded into the card slot 42; the TWS earphone provided by the present application, the connecting column of the charging column 34 is designed to be stepped, and the shell 40 is designed to be card slot-type, the card slot is convenient to be visible when pulled out, and the assembly can be completed by carding the step of the charging copper column into the card slot of the shell; the card slot axially positions the charging copper column, and finally welds it to the electronic board through solder paste; the charging column and the shell are assembled by card connection, which is simple, accurate and reliable, low cost and high yield rate.

[0028] Schematically, in this embodiment, Figure 1 and Figure 3 As shown, the TWS earphones are placed vertically, the listening ball 10 is located above the comfort bean 30, the shell 40 includes an upper shell 43 and a lower shell 44, the upper shell 43 is provided with a connecting pin 431, and the lower shell 44 is provided with a pin hole 441 matched with the connecting pin 431; further, a connecting protrusion 442 is provided on the right side of the lower shell 44, and the comfort bean 30 is connected to the connecting bridge 20 through the connecting protrusion 442, and the card slot 42 is provided at the lower inner side surface of the left side of the shell 40.

[0029] Optionally, in this embodiment, the upper shell 43 and the lower shell 44 constitute a accommodating cavity, a support is provided at the bottom of the accommodating cavity, the PCB board 31 is placed on the support, the battery 32 is electrically connected to the PCB board 31 and fills most of the space of the accommodating cavity, and the headphone magnet 33 and the charging column 34 are arranged on the left side of the accommodating cavity; optionally, there is one headphone magnet 33 and two charging columns 34, and the two charging columns 34 are respectively arranged on both sides of the headphone magnet 33.

[0030] Further, such as Figure 6 and Figure 7As shown, the stepped connecting column 342 includes a first connecting column 3421 and a second connecting column 3422 which are coaxially located on one side of the connecting plate 341, the first connecting column 3421 is fixed to the connecting plate 341, the second connecting column 3422 is fixed to one end of the first connecting column 3421 away from the connecting plate 341, and the outer diameter of the first connecting column 3421 is smaller than the outer diameter of the second connecting column 3422. Further, an annular protrusion 3423 is provided at the connecting area between the first connecting column 3421 and the second connecting column 3422, the outer diameter of the annular protrusion 3423 is larger than the outer diameter of the second connecting column 3422, and a first guiding inclined surface 3424 is provided at the connecting area between the annular protrusion 3423 and the second connecting column 3422, and the inclination angle of the first guiding inclined surface 3424 can be 30°-60°. A first connecting column 3421, a second connecting column 3422, and an annular protrusion 3423 with different outer diameters are provided to obtain a stepped connecting column to achieve subsequent snap-in connection with the card slot. A first guiding slope 3424 is provided in the connecting area between the annular protrusion 3423 and the second connecting column 3422 to facilitate the charging column to be snapped into the card slot during assembly.

[0031] Optional, such as Figure 4 and Figure 5 As shown, the card slot 42 includes a through hole 421 coaxial with the connecting plate 341, the inner diameter of the through hole 421 is adapted to the size of the second connecting column 3422, and an annular groove 422 is provided on the inner side wall of the through hole 421, and the inner diameter of the annular groove 422 is not less than the outer diameter of the annular protrusion 3423; when the card connection is performed, the lower shell 44 has a certain elasticity, and the stepped connecting column 342 is pressed into the through hole 421 through the connecting plate 341 until the annular protrusion 3423 is placed in the annular groove 422. Due to the existence of the connecting plate 341, the connecting plate 341 abuts against the supporting surface 41 to limit the position of the charging column 34 in the card slot. Furthermore, a second guiding inclined surface 45 is provided between the through hole 421 and the supporting surface 41 to facilitate the charging column to be inserted into the card slot during assembly, and the inclination angle of the second guiding inclined surface 45 can be 30°-45°.

[0032] In summary, the TWS earphone provided by the utility model includes a listening ball 10, a connecting bridge 20, and a comfort bean 30. The listening ball 10 and the comfort bean 30 are connected as a whole through the connecting bridge 20. The listening ball 10 can be used to receive audio signals for playback. The comfort bean 30 includes a shell 40, a PCB board 31 arranged in the shell 40, a battery 32, an earphone magnet 33, and a charging column 34; the charging column 34 includes a connecting plate 341 and a stepped connecting column 342 fixed to the connecting plate. When assembling the earphone, first place the charging The column 34 is lightly pressed into the shell 40, the connecting plate 341 of the charging column 34 is in the shell, and the stepped connecting column 342 passes through the shell and faces outward, and is limited by the card slot, so the assembly is simple and low-cost; then the installed listening ball 10 and the connecting bridge 20 are installed on the shell 40, and finally the earphone magnet 33, the PCB board 31, and the battery 32 are installed in sequence; the assembly process is completed; the TWS earphone provided by the utility model is installed by the card connection between the stepped connecting column 342 and the shell 40, and the assembly is simple, accurate and reliable, with low cost and high yield rate.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A TWS headset, characterized in that: It includes a listening ball, a connecting bridge, and a comfort bean. The listening ball and the comfort bean are connected as a whole through the connecting bridge. The comfort bean includes a shell, a PCB board arranged in the shell, a battery, an earphone magnet, and a charging column. The charging column includes a connecting plate and a stepped connecting column fixedly connected to the connecting plate. The shell is provided with a supporting surface corresponding to the connecting plate and a card slot corresponding to the stepped connecting column. The charging column and the shell are clamped together through the stepped connecting column and the card slot. The connecting plate and the supporting surface are used to limit the position of the charging column when it is clamped into the card slot.

2. The TWS headset according to claim 1, characterized in that: The stepped connecting column includes a first connecting column and a second connecting column located on one side of the connecting plate and coaxially, the first connecting column is fixed to the connecting plate, the second connecting column is fixed to an end of the first connecting column away from the connecting plate, and the outer diameter of the first connecting column is smaller than the outer diameter of the second connecting column.

3. The TWS headset according to claim 2, characterized in that: An annular protrusion is provided in the connection area between the first connection column and the second connection column, the outer diameter of the annular protrusion is larger than the outer diameter of the second connection column, and a first guiding inclined surface is provided in the connection area between the annular protrusion and the second connection column.

4. The TWS headset according to claim 3, characterized in that: The slot includes a through hole coaxial with the connecting plate, the inner diameter of the through hole is matched with the outer diameter of the second connecting column, an annular groove is provided on the inner wall of the through hole, and the inner diameter of the annular groove is not less than the outer diameter of the annular protrusion.

5. The TWS headset according to claim 4, characterized in that: A second guiding inclined surface is provided between the through hole and the supporting surface.

6. The TWS headset according to claim 1, characterized in that: The housing comprises an upper housing and a lower housing which are detachably connected. The upper housing is provided with a connecting pin, and the lower housing is provided with a pin hole which matches the connecting pin.

7. The TWS headset according to claim 6, characterized in that: A connecting protrusion is provided on one side of the lower shell, and the comfort bean is fixedly connected to the connecting bridge via the connecting protrusion. The card slot is provided below the side surface of the shell opposite to the connecting protrusion.

8. The TWS headset according to claim 1, characterized in that: There are two charging posts and one headphone magnet, and the two charging posts are respectively arranged on both sides of the headphone magnet.

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