Charging structure and wireless earphone

Abstract

The utility model discloses a charging structure and a wireless earphone, and relates to the technical field of wireless earphone charging. The charging structure comprises an insulating body, two charging terminals and two connecting pieces, a containing groove is formed in the top face of the insulating body, and one end of a battery cell is inserted into the containing groove; the two charging terminals are arranged in the insulating body, each charging terminal comprises a contact part and a welding part, the contact parts are exposed out of the insulating body, and the welding parts are provided with welding bulges; each connecting piece comprises a connecting section and a lantern ring, a welding hole is formed in each lantern ring, the lantern rings of the two connecting pieces are respectively arranged on the corresponding welding bulges in a sleeving manner through the welding holes and are fixedly welded, and the connecting sections of the two connecting pieces are respectively connected with the positive electrode and the negative electrode of the battery cell. The charging structure is convenient to weld and position and high in welding stability.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless earphone charging, in particular to a charging structure and a wireless earphone. Background Art

[0002] Headphones are an audio conversion unit that receives electrical signals from a media player or receiver and converts them into audible sound waves using speakers close to the ear. Due to their portability and ease of use, wireless headphones have gradually become a mainstream choice.

[0003] Wireless headphones use wireless communication protocols to form a signal transmission path, and wireless headphones usually require a charging cradle for use. The charging cradle structure of existing wireless headphones is set at the bottom of the wireless headphones. The terminals of the charging structure need to be welded to the connecting wires to connect the positive and negative poles of the battery cell. However, the existing terminals and connecting wires are connected by point-to-point contact between one end of the connecting wire and one end of the terminal, or point-to-surface contact between one end of the connecting wire and one side of the terminal. This has poor welding stability and low yield. Utility Model Content

[0004] The purpose of the utility model is to provide a charging structure and a wireless headset, which are convenient for welding positioning and have high welding stability.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A charging structure comprising:

[0007] An insulating body, wherein a receiving groove is formed on the top surface of the insulating body, and one end of the battery cell is inserted into the receiving groove;

[0008] Two charging terminals, both disposed in the insulating body, the charging terminals comprising a contact portion and a welding portion, the contact portion being exposed outside the insulating body, and the welding portion being provided with a welding protrusion;

[0009] Two connecting pieces, each of which includes a connecting section and a ring, each of which is provided with a welding hole, wherein the rings of the two connecting pieces are respectively sleeved on the corresponding welding protrusions through the welding holes and fixed by welding, and the connecting sections of the two connecting pieces are respectively connected to the positive and negative poles of the battery cell.

[0010] As an optional solution of the above-mentioned charging structure, the charging structure further includes flux, which is sleeved on the welding protrusion and fixedly connected to the ring.

[0011] As an optional solution to the above-mentioned charging structure, the connecting part also includes an insulating outer skin, which covers the connecting section and the ring. The insulating outer skin has a limiting hole, the welding hole is located in the limiting hole, and the flux is located in the limiting hole and fixedly connected to the ring.

[0012] As an alternative to the above-mentioned charging structure, along the direction in which the welding protrusion is inserted into the welding hole, a projection of a portion of the welding portion is located outside the welding hole.

[0013] As an optional solution to the above-mentioned charging structure, the contact portion is provided with a plurality of convex strips, and the plurality of convex strips are all clamped and fixed to the insulating body.

[0014] As an optional solution to the above-mentioned charging structure, the welding portion is provided with a fixing hole, and the insulating body includes a fixing protrusion, and the fixing protrusion is passed through the fixing hole to fix the welding portion.

[0015] As an optional solution to the above-mentioned charging structure, the charging terminal also includes a connecting portion, the two ends of which are respectively connected to the contact portion and the welding portion, and the connecting portion includes a plurality of connecting sub-segments connected in sequence, and the connecting sub-segments at the two adjacent ends are arranged at an angle.

[0016] As an optional solution to the above-mentioned charging structure, the contact portion is provided with a clamping groove, and the insulating body is provided with a clamping portion, and the clamping portion is clamped and matched with the clamping groove.

[0017] As an optional solution of the above charging structure, the connection position between the connecting portion and the contact portion is located in the clamping groove.

[0018] A wireless headset comprises the charging structure described above, and also includes a shell, a battery cell and a speaker. The shell is provided with a listening hole and a connection hole, the charging structure closes the connection hole, the speaker and the battery cell are arranged in the shell, the speaker is electrically connected to the battery cell, and the speaker can play sound through the listening hole.

[0019] Beneficial effects of the utility model:

[0020] The utility model provides a charging structure and wireless headset. In the charging structure, since both charging terminals have welding protrusions, before welding, the collar of the connector can be placed on the corresponding welding protrusion. In this case, the welding protrusion can support and position the connector through the collar, thereby ensuring the relative stability of the position between the charging terminal and the connector. It also eliminates the need for a structure for fixing the relative position between the charging terminal and the connector, facilitating welding positioning and achieving high welding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the charging structure provided by the utility model;

[0022] Figure 2 This is an exploded view of the charging structure provided by the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the charging terminal and connector provided by the utility model;

[0024] Figure 4 This is a schematic structural diagram of the insulating body provided by the utility model;

[0025] Figure 5 This is a cross-sectional view of the charging terminal and connector provided by the present invention;

[0026] Figure 6 It is a structural schematic diagram of the charging terminal provided by the utility model.

[0027] In the picture:

[0028] 1. Insulating body; 11. Accommodating groove; 12. Fixing protrusion; 13. Clamping portion; 14. Side wall; 141. Bottom ring; 142. Side wall; 143. Groove; 15. Clamping slot;

[0029] 2. Battery cells;

[0030] 3. Charging terminal; 31. Contact portion; 311. Snap-fit ​​groove; 32. Welding portion; 321. Fixing hole; 33. Welding protrusion; 34. Connecting portion; 341. Connecting sub-segment; 35. Raised strip;

[0031] 4. Connector; 41. Connecting section; 42. Ring; 421. Welding hole; 43. Insulating sheath; 431. Limiting hole;

[0032] 5. Flux;

[0033] 6. Support block; 61. Clamping ramp. DETAILED DESCRIPTION

[0034] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0035] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0036] Unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed or removable connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0037] Unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0038] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0039] Headphones are an audio conversion unit that receives electrical signals from a media player or receiver and converts them into audible sound waves using speakers placed close to the ear. Wireless headphones have become a popular choice for portability and ease of use. Wireless headphones use wireless communication protocols to transmit signals. To ensure power, they are equipped with internal batteries, so they typically require a charging case.

[0040] This embodiment provides a wireless headset comprising a charging structure, a housing, and a speaker. The housing has a listening port and a connection port, the charging structure seals the connection port, and the speaker and a battery are disposed within the housing. The speaker and the battery are electrically connected, and the speaker can play sound through the listening port. To enable the wireless headset to receive signals from a media player, a wireless module is also disposed within the housing, and the battery provides power to the wireless module and the speaker to ensure their proper operation.

[0041] In this embodiment, the wireless headset further includes a microphone, which is disposed in the housing and electrically connected to the battery cell, so that the wireless headset has the function of receiving sound.

[0042] like Figure 1 As shown, in this embodiment, the connection hole of the housing is located at the bottom, that is, the charging structure is arranged at the bottom of the wireless headset, and the battery cell 2 is a long strip structure so that the positive and negative poles of the battery cell 2 are close to the microphone, speaker and wireless module at the top of the housing. Therefore, the terminals of the charging structure need to be welded with the connecting wires to connect the positive and negative poles of the battery cell 2. However, the relative position between the terminals and the connecting wires is difficult to fix, resulting in low welding precision and low welding efficiency, and high production costs.

[0043] like Figures 1 to 3 As shown, in order to solve the above problems, this embodiment provides a charging structure, which includes an insulating body 1, two charging terminals 3 and two connectors 4. The two charging terminals 3 are both arranged in the insulating body 1. The charging terminal 3 includes a contact portion 31 and a welding portion 32. The contact portion 31 is located outside the insulating body 1. The welding portion 32 is provided with a welding protrusion 33. The connector 4 includes a connecting section 41 and a ring 42. The ring 42 is provided with a welding hole 421. The rings 42 of the two connectors 4 are respectively sleeved on the corresponding welding protrusions 33 through the welding holes 421 and welded to fix. The connecting sections 41 of the two connectors 4 are respectively connected to the positive and negative poles of the battery cell 2.

[0044] In this charging structure, since both charging terminals 3 have welding protrusions 33, before welding, the ring 42 of the connector 4 can be placed on the corresponding welding protrusion 33. At this time, the welding protrusion 33 can support and position the connector 4 through the ring 42, thereby ensuring the relative stability of the position between the charging terminal 3 and the connector 4, and also eliminating the structure for fixing the relative position between the charging terminal 3 and the connector 4, thereby improving welding accuracy, increasing welding efficiency, and reducing costs.

[0045] It is worth noting that if the speaker of the wireless headset is located at the top and the microphone is located at the bottom, the welding protrusion 33 is set upward, and the ring 42 of the connecting part 4 is sleeved on the welding protrusion 33 from top to bottom. At this time, the welding protrusion 33 can support the ring 42 before welding with the ring 42, ensuring the stability of the relative position between the welding protrusion 33 and the ring 42, facilitating welding positioning, and the gap between the two is of appropriate size, and the welding stability is high.

[0046] Among them, the top surface of the insulating body 1 is provided with a receiving groove 11, and one end of the battery cell 2 is inserted into the receiving groove 11. The receiving groove 11 can position the battery cell 2, ensuring the stability of the battery cell 2 in the shell, and reducing the possibility of damaging the battery cell 2 when the wireless headset falls.

[0047] like Figure 4 As shown, the insulating body 1 includes a bottom ring 141 and side walls 142 surrounding the sidewalls 14 that form the receiving groove 11. The two side walls 142 are spaced apart to form two grooves 143. The welding protrusions 33 of the two charging terminals 3 are respectively disposed in one groove 143, and the collar 42 of the connector 4 is also disposed in the groove 143. The structure of the insulating body 1 provides space for the collar 42 to connect to the welding protrusions 33.

[0048] like Figure 2 As shown, the charging structure further includes a support block 6, which is disposed within the receiving groove 11. A clamping slope 61 is provided on the side of the support block 6 facing away from the bottom of the receiving groove 11, and the battery cell 2 abuts against the clamping slope 61. Driven by the clamping slope 61, the battery cell 2 moves toward the side wall 142 of the receiving groove 11, thereby being clamped by the clamping slope 61 and the side wall 142 of the receiving groove 11, ensuring the stability of the battery cell 2.

[0049] Furthermore, an adapting inclined surface is provided at the bottom end of the battery cell 2 , and the adapting inclined surface is in sliding contact with the clamping inclined surface 61 .

[0050] like Figure 1 and Figure 2 As shown, the charging structure further includes a flux 5, which is sleeved on the welding protrusion 33 and fixedly connected to the collar 42. The flux 5 is used to weld the welding protrusion 33 and the collar 42. When the flux 5 is melted by a welding gun, the flux 5 flows between the welding protrusion 33 and the collar 42. When the flux 5 cools and solidifies, the welding of the welding protrusion 33 and the collar 42 is completed.

[0051] Specifically, the flux 5 is a solder ball. The metallic properties of tin are suitable for soldering. Before soldering, the solder ball is placed in the gap between the soldering protrusion 33 and the collar 42 .

[0052] like Figures 1 to 3As shown, the connector 4 further includes an insulating outer shell 43, which covers the connecting section 41 and the ring 42 to improve the safety of the charging structure and avoid internal short circuit of the wireless headset.

[0053] It is worth noting that when the flux 5 is heated and melted, it has fluidity and may flow to other locations, resulting in insufficient amount of flux 5 between the welding protrusion 33 and the collar 42, and also affecting other structures. Figure 3 As shown, to solve the above problem, the insulating outer skin 43 is provided with a limiting hole 431 , the welding hole 421 is located in the limiting hole 431 , and the flux 5 is located in the limiting hole 431 and fixedly connected to the collar 42 .

[0054] In other words, a limiting groove is formed between the limiting hole 431 and the collar 42, and the welding hole 421 of the collar 42 is completely located within the limiting groove. When the flux 5 melts, due to the existence of surface tension and the small distance between the welding hole 421 and the welding protrusion 33, the flux 5 will not pass through the gap between the welding hole 421 and the welding protrusion 33. Therefore, the flux 5 will flow within the limiting groove, which can not only prevent the flux 5 from flowing to other positions, but also ensure that the flux 5 evenly fills the limiting groove, so that the welding protrusion 33 is welded and fixed to the welding hole 421 along the circumferential direction, thereby improving the welding quality.

[0055] like Figure 5 As shown, along the direction in which the welding protrusion 33 is inserted into the welding hole 421, a portion of the projection of the welding portion 32 is located outside the welding hole 421. In other words, the welding portion 32 cannot completely pass through the welding hole 421. Along the circumference of the receiving groove 11, the dimension A of the welding portion 32 is greater than the dimension B of the welding hole 421. When the flux 5 melts, the welding portion 32 can receive some of the melted flux 5, further reducing the possibility of the flux 5 passing through the gap between the welding hole 421 and the welding protrusion 33. This ensures that the flux 5 cools and solidifies entirely within the retaining groove, thereby improving the welding quality between the welding protrusion 33 and the collar 42.

[0056] like Figures 3 to 6 As shown, the contact portion 31 is provided with a plurality of protrusions 35, and the plurality of protrusions 35 are all clamped and fixed to the insulating body 1. The plurality of protrusions 35 can increase the contact area between the contact portion 31 and the insulating body 1, and the plurality of protrusions 35 can also improve the connection strength between the contact portion 31 and the insulating body 1 in different directions, thereby ensuring that the contact portion 31 will not be separated from the insulating body 1.

[0057] Correspondingly, the insulating body 1 is provided with a slot 15 cooperating with each ridge 35 , and each ridge 35 is inserted into the corresponding slot 15 to improve the stability of the connection between the charging terminal 3 and the insulating body 1 .

[0058] In this embodiment, the welding portion 32 defines a fixing hole 321, and the insulating body 1 includes a fixing protrusion 12, which is inserted into the fixing hole 321 to fix the welding portion 32. The fixing protrusion 12 can fix the welding portion 32, thereby improving the stability of the welding portion 32 and ensuring that the position of the welding portion 32 does not change during the process of fitting the collar 42 of the connector 4 onto the fixing protrusion 12 and welding, thereby improving welding accuracy.

[0059] It is understood that in this embodiment, there is no additional fixing structure between the charging terminal 3 and the insulating body 1. When the insulating body 1 is formed, the charging terminal 3 is placed in the molding die of the insulating body 1 and injection molding is performed after positioning. After the molding is completed, the charging terminal 3 and the insulating body 1 form an integrated structure fixed together. Figures 3 to 6 As shown, in order to further improve the connection strength between the charging terminal 3 and the insulating body 1, the charging terminal 3 also includes a connecting portion 34, the two ends of the connecting portion 34 are respectively connected to the contact portion 31 and the welding portion 32, and the connecting portion 34 includes a plurality of connecting sub-segments 341 connected in sequence, and the adjacent two-end connecting sub-segments 341 are arranged at an angle.

[0060] Since the connecting portion 34 includes multiple connecting sub-segments 341 connected in sequence, and the adjacent connecting sub-segments 341 at both ends are arranged at an angle, the connecting portion 34 is a multi-segment bent structure. This structure is arranged inside the insulating body 1, so that the contact area between the connecting portion 34 and the insulating body 1 is increased, and the insulating body 1 can also limit the connecting portion 34 in different directions to ensure that the connecting portion 34 does not move relative to the insulating body 1, thereby improving the stability between the charging terminal 3 and the insulating body 1.

[0061] During the injection molding process, multiple connecting sub-segments 341 are embedded in the side wall 14 of the insulating body 1, which can not only prevent the connecting sub-segments 341 from being exposed and causing problems such as oxidation and short circuit, but also improve the connection strength and ensure that the connecting part 34 will not move relative to the insulating body 1.

[0062] In this embodiment, the contact portion 31 is provided with a snap-fitting groove 311, and the insulating body 1 is provided with a snap-fitting portion 13. The snap-fitting portion 13 is snap-fitted with the snap-fitting groove 311. The snap-fitting portion 13 can fix the contact portion 31 through the snap-fitting groove 311 to ensure that the contact portion 31 does not move, thereby ensuring that after the wireless headset is placed in the charging compartment, the contact portion 31 can contact the contacts in the charging compartment to charge the battery cell 2.

[0063] Furthermore, the connection position between the connecting portion 34 and the contact portion 31 is located within the snap-fit ​​groove 311. It is understood that the thickness of the insulating body 1 at the snap-fit ​​portion 13 is the greatest, so the connection position between the connecting portion 34 and the contact portion 31 is located within the snap-fit ​​groove 311, which can improve the strength of the portion of the insulating body 1 that contacts the connecting portion 34.

[0064] In order to increase the distance between the two charging terminals 3 and improve the insulation, the two charging terminals 3 are arranged in a central symmetrical manner along the central axis of the accommodating groove 11, the contact portions 31 of the two charging terminals 3 are arranged on opposite sides of the insulating body 1, and the welding portions 32 of the two charging terminals 3 are arranged on opposite sides of the insulating body 1.

[0065] like Figure 3 As shown, in the circumferential direction of the accommodating groove 11 , the contact portions 31 of the two charging terminals 3 and the welding portions 32 of the two charging terminals 3 do not overlap.

[0066] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A charging structure, characterized in that: include: An insulating body (1), wherein a top surface of the insulating body (1) is provided with a receiving groove (11), and one end of the battery cell (2) is inserted into the receiving groove (11); Two charging terminals (3) are both arranged in the insulating body (1), the charging terminal (3) comprising a contact portion (31) and a welding portion (32), the contact portion (31) being exposed outside the insulating body (1), and the welding portion (32) being provided with a welding protrusion (33); Two connecting members (4), the connecting members (4) comprising a connecting section (41) and a sleeve (42), the sleeve (42) being provided with a welding hole (421), the sleeves (42) of the two connecting members (4) being respectively sleeved on the corresponding welding protrusions (33) through the welding holes (421) and fixed by welding, and the connecting sections (41) of the two connecting members (4) being respectively connected to the positive electrode and the negative electrode of the battery cell (2).

2. The charging structure according to claim 1, characterized in that: The charging structure further comprises a flux (5), wherein the flux (5) is sleeved on the welding protrusion (33) and fixedly connected to the collar (42).

3. The charging structure according to claim 2, characterized in that: The connecting member (4) further comprises an insulating outer skin (43), the insulating outer skin (43) covering the connecting section (41) and the collar (42), the insulating outer skin (43) being provided with a limiting hole (431), the welding hole (421) being located in the limiting hole (431), the flux (5) being located in the limiting hole (431) and being fixedly connected to the collar (42).

4. The charging structure according to claim 1, characterized in that: Along the direction in which the welding protrusion (33) is inserted into the welding hole (421), a projection of a portion of the welding portion (32) is located outside the welding hole (421).

5. The charging structure according to claim 1, characterized in that: The contact portion (31) is provided with a plurality of convex strips (35), and the plurality of convex strips (35) are all embedded in the insulating body (1).

6. The charging structure according to claim 1, characterized in that: The welding portion (32) is provided with a fixing hole (321), and the insulating body (1) includes a fixing protrusion (12), and the fixing protrusion (12) is passed through the fixing hole (321) to fix the welding portion (32).

7. The charging structure according to any one of claims 1 to 6, characterized in that: The charging terminal (3) further comprises a connecting portion (34), the two ends of which are respectively connected to the contact portion (31) and the welding portion (32), the connecting portion (34) comprising a plurality of connecting sub-segments (341) connected in sequence, and the connecting sub-segments (341) at two adjacent ends are arranged at an angle.

8. The charging structure according to claim 7, characterized in that: The contact portion (31) is provided with a clamping groove (311), and the insulating body (1) is provided with a clamping portion (13), and the clamping portion (13) is clamped and matched with the clamping groove (311).

9. The charging structure according to claim 8, characterized in that: The connection position between the connecting portion (34) and the contact portion (31) is located in the clamping groove (311).

10. A wireless headset, characterized in that: The charging structure comprises the charging structure according to any one of claims 1 to 9, further comprising a housing, a battery cell (2) and a speaker, wherein the housing is provided with a listening hole and a connecting hole, the charging structure closes the connecting hole, the speaker and the battery cell (2) are arranged in the housing, the speaker is electrically connected to the battery cell (2), and the speaker can play sound through the listening hole.

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