CN210157365U - Earphone charging connection structure and earphone - Google Patents
Earphone charging connection structure and earphone Download PDFInfo
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- CN210157365U CN210157365U CN201921559374.1U CN201921559374U CN210157365U CN 210157365 U CN210157365 U CN 210157365U CN 201921559374 U CN201921559374 U CN 201921559374U CN 210157365 U CN210157365 U CN 210157365U
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- conductive post
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Abstract
The utility model discloses an earphone charging connection structure and an earphone, wherein, the earphone charging connection structure comprises a main board, an earshell and a conductive post arranged on the earshell; the earshell compresses the conductive post on the motherboard to electrically connect the conductive post with the motherboard. The utility model realizes the interconnection of the mainboard and the conductive column by adopting the earshell to press the conductive column on the mainboard, and does not need to adopt the prior spring and other structures, thus having simple structure; through leading electrical pillar and earlap intercombination, can directly realize leading the connection of electrical pillar and mainboard, conveniently realize leading the quick installation of electrical pillar.
Description
Technical Field
The utility model relates to an earphone field, in particular to earphone charging connection structure and earphone.
Background
The TWS (True Wireless) Wireless earphone is the most explosive one at present, and it assembles all the circuits, horn, battery, etc. in the case with the size of finger. The in-ear wearing effect also requires that it is not too bulky. All manufacturers want to think about the method in terms of space and process, but the production process and efficiency are low, and the reject ratio is still the bottleneck of the TWS wireless earphone production.
As shown in fig. 1, fig. 1 is a schematic view of an existing conductive post installation mode, the existing earphone adopts POGO Pin (elastic Pin) or copper post to be welded on a hard PCB, and then the whole circle of PCB is glued and sealed, so that the copper post installation mode is complex, and the problems of complex installation process, low yield and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an earphone charging connection structure and earphone aims at improving the complicated problem of current mounting process.
In order to achieve the above object, the utility model provides an earphone charging connection structure, which comprises a main board, an earshell and a conductive post arranged on the earshell;
the earshell compresses the conductive post on the motherboard to electrically connect the conductive post with the motherboard.
Optionally, a jack is arranged on the ear shell, and the conductive post is inserted into the jack;
the conductive column is provided with a clamping part, and the clamping part clamps the conductive column in the jack.
Optionally, a guide groove is arranged on the inner wall of the jack;
the maximum diameter of the outer circumference circle of the clamping part is larger than the inner diameter of the jack;
the clamping part moves from the side of the earshell, which is far away from the main board, to the side of the earshell, which is toward the main board, along the guide groove, and the conductive post is rotated, so that the clamping part is distributed on the side of the earshell, which is toward the main board, and is staggered with the guide groove.
Optionally, a maximum diameter of the outer circumference of the detent portion is larger than a maximum diameter of the outer circumference of the guide groove, so that when the detent portion is located on the earshell facing the main board, the detent portion is hooked on the guide groove facing the main board.
Optionally, a guide inclined plane is arranged on the side edge of the guide groove, which is away from the main board, and a positioning inclined plane is arranged on the clamping portion, which faces the side edge of the main board;
the guide inclined plane corresponds to the positioning inclined plane in position, so that the positioning inclined plane can be attached to the guide inclined plane.
Optionally, the outer diameter of the clamping part is larger than the inner diameter of the insertion hole;
when the conductive column is inserted into the jack, the clamping part is positioned at one side of the jack, which is close to the mainboard.
Optionally, a limiting portion is arranged on the conductive column, and the outer diameter of the limiting portion is larger than the inner diameter of the jack;
when the conductive column is inserted into the jack, the clamping part and the limiting part are aligned to be arranged at the outer sides of the two ends of the jack.
Optionally, the clamping portion is a threaded surface provided on the conductive pillar;
the inner wall of the jack is provided with internal threads corresponding to the clamping part, so that the conductive column is in threaded connection with the jack.
Optionally, a positioning portion is arranged on the conductive column, and an outer diameter of the positioning portion is larger than an inner diameter of the insertion hole;
the positioning part is positioned on one side of the conductive column close to the mainboard;
the thread surface on the conductive column is arranged on one side, away from the main board, of the positioning part.
The utility model discloses on above-mentioned earphone fills electric connection structure's basis, provide an earphone, including earphone body and above earphone fills electric connection structure.
The earphone charging connection structure comprises a main board, an earshell and a conductive column arranged on the earshell;
the earshell compresses the conductive post on the motherboard to electrically connect the conductive post with the motherboard.
The technical proposal of the utility model realizes the mutual connection of the mainboard and the conductive column by adopting the earshell to press the conductive column on the mainboard, without adopting the existing connection structures such as springs and the like, and has simple structure; through leading electrical pillar and earlap intercombination, can directly realize leading the connection of electrical pillar and mainboard, conveniently realize leading the quick installation of electrical pillar.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view illustrating a conventional conductive pillar mounting method;
fig. 2 is a schematic view of an external structure of an earphone charging connection structure according to an embodiment of the present invention;
fig. 3 is a schematic view of a structure of an earshell according to an embodiment of the present invention;
fig. 4 is a schematic view of an installation structure of the earshell and the conductive post according to an embodiment of the present invention;
fig. 5 is an enlarged view of a partial structure of the conductive pillar in fig. 4;
fig. 6 is an enlarged view of a partial structure of the conductive post in an embodiment of the present invention when the outer diameter of the clamping portion is larger than the inner diameter of the insertion hole;
fig. 7 is an enlarged view of a partial structure of the conductive pillar when the clamping portion is a threaded surface according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | |
| 12 | |
13 | |
| 20 | |
21 | Clamping |
| 22 | Limiting |
23 | |
| 24 | Positioning |
25 | Positioning inclined plane |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 2 and fig. 3, fig. 2 is a schematic view of an external structure of an earphone charging connection structure in an embodiment of the present invention, and fig. 3 is a schematic view of an earshell structure in an embodiment of the present invention, which provides an earphone charging connection structure provided by the present invention, including a main board (not shown in the figure), an earshell 10, and a conductive post 20 disposed on the earshell 10; the ear shell 10 presses the conductive post 20 against the motherboard, so that the conductive post 20 is electrically connected to the motherboard. The conductive post 20 is matched with the earshell 10, so that when the earshell 10 is installed on the mainboard, the earshell 10 presses the conductive post 20 on the mainboard, and the mainboard is connected with the conductive post 20.
The mainboard can be the PCB board, it can adopt the copper post to lead electrical pillar 20, will lead electrical pillar 20 with the mutual location fit of earlap 10, at the installation during the earlap 10, lead electrical pillar 20 with the mainboard aligns each other, works as after earlap 10 has installed, utilize earlap 10 will lead electrical pillar 20 to compress tightly on the mainboard, then it is right to lead electrical pillar 20 to carry out waterproof processing.
Since the conductive post 20 can be directly assembled on the earshell 10 and then connected to the motherboard, the conductive post 20 can be assembled quickly and automatically; when the conductive post 20 is subjected to waterproof treatment, only the conductive post 20 and the earshell 10 can be subjected to waterproof sealing, so that the waterproof operation range is small, and the waterproof is convenient; when the conductive post 20 is disassembled, the conductive post 20 and the ear shell 10 can be directly and integrally disassembled, so that the conductive post 20 can be quickly disassembled and assembled, and the maintenance is convenient; because the conductive column 20 can not be welded with the main board, the installation is more convenient, and all the parts can be detached and replaced independently, thereby effectively reducing the cost.
The conductive post 20 and the ear shell 10 are mounted to each other in various ways. In an embodiment of the present invention, a protruding structure is disposed on the conductive post 20, and the protruding structure is used as a barb, after the conductive post 20 is installed, the barb is located on the side of the earshell 10 facing the motherboard, and the conductive post 20 is clamped on the earshell 10 by the protruding structure, so that the conductive post 20 is fixed on the earshell 10; by the limitation of the protrusion, the conductive post 20 is subjected to a force of pressing against the main board, and then the conductive post 20 and the main board are connected to each other.
The utility model discloses a further embodiment, it sets up two sets ofly to counterpoint on the electrical pillar 20 protruding structure makes two sets ofly the slope opposite direction of protruding structure uses as two sets of barbs, will it pegs graft to lead electrical pillar 20 on the conch 10, so that two sets of the barb counterpoint is located two surfaces of conch 10 utilize two protruding structure follows it is fixed to lead electrical pillar 20, realize it leads electrical pillar 20's location and installation.
In another embodiment of the present invention, in the axial direction of the conductive post 20, the cross section of the conductive post 20 is T-shaped, and the conductive post 20 is inserted into the earshell 10, so that the earshell 10 faces the motherboard side surface and the conductive post 20 is compressed onto the motherboard.
The conductive post 20 may also be matched with the earshell 10 in other manners, and when the earshell 10 is matched with the main board, the earshell 10 presses the conductive post 20 to the main board, so as to implement the installation of the conductive post 20.
Referring to fig. 4 and 5, fig. 4 is a schematic view of an installation structure of an earshell and a conductive post according to an embodiment of the present invention, and fig. 5 is an enlarged view of a partial structure of the conductive post shown in fig. 4, in an embodiment of the present invention, a jack 11 is disposed on the earshell 10, and the conductive post 20 is inserted into the jack 11; the conductive column 20 is provided with a clamping portion 21, and the clamping portion 21 clamps the conductive column 20 in the insertion hole 11. The positioning portion 21 forms a barb-like structure on the surface of the conductive pillar 20, and when the conductive pillar 20 is inserted into the insertion hole 11, the positioning portion 21 may be clamped on a surface of the insertion hole 11 facing the motherboard, or may be clamped on an inner wall of the insertion hole 11, so that the positioning portion 21 positions the conductive pillar 20.
The positioning portion 21 may be an annular structure disposed on the conductive pillar 20, so that the positioning portion 21 forms an annular positioning structure, the conductive pillar 20 may be inserted into the insertion hole 11 from the ear shell 10 toward the uneasy side, and then the ear shell 10 is mounted on the motherboard, so that the ear shell 10 presses the conductive pillar 20 against the motherboard; other equipment can also be adopted, and the conductive column 20 is installed in the jack 11 through the strong mortise on the side of the earshell 10 departing from the mainboard.
The positioning portion 21 may be a protruding structure disposed on the conductive pillar 20, so that the positioning portion 21 protrudes from the surface of the conductive pillar 20, and the positioning portion 21 can be clamped in the insertion hole 11 to position the conductive pillar 20.
Optionally, the inner wall of the insertion hole 11 is provided with a guide groove 12; the maximum diameter of the outer circumference of the clamping part 21 is larger than the inner diameter of the insertion hole 11; the positioning portion 21 moves along the guiding groove 12 from the side of the earshell 10 away from the main board to the side of the earshell 10 toward the main board, and the conductive post 20 is rotated, so that the positioning portion 21 is disposed at the side of the earshell 10 toward the main board and is staggered with the guiding groove 12. When the positioning portion 21 moves to the side of the earshell 10 facing the motherboard along the guide slot 12, the conductive post 20 is rotated to make the positioning portion 21 and the guide slot 12 dislocated with each other, and at this time, the earshell 10 is mounted on the motherboard, and the conductive post 20 is pressed against the motherboard by the positioning portion 21.
The number of the positioning portions 21 is at least one, the positioning portion 21 may be a protruding structure provided on the conductive post 20, for example, a sector structure coaxial with the conductive post 20 is adopted, the guide groove 12 and the positioning portion 21 are the same sector groove, after the earshell 10 and the motherboard are fixed to each other, the guide groove 12 and the positioning portion 21 are aligned with each other, the positioning portion 21 is moved along the guide groove 12 until the positioning portion 21 is moved to the side of the earshell 10 facing the motherboard, at this time, the conductive post 20 is rotated until the positioning portion 21 and the guide groove 12 are misaligned with each other, and the conductive post 20 is clamped on the earshell 10 under the action of the positioning portion 21, so as to realize the mutual positioning of the conductive post 20 and the earshell 10.
The quantity of guide way 12, with more than or equal to the quantity of screens portion 21 is suitable, in the utility model discloses an embodiment, guide way 12 is the symmetry and sets up two sets of on the slot, screens portion 21 be with guide way 12 shape and the corresponding two sets of in position, lead electrical pillar 20 with jack 11 coaxial arrangement will screens portion 21 is along guide way 12 moves to when conch 10 orientation mainboard one side, it is in to lead electrical pillar 20 the jack 11 internal rotation, screens portion 21 with guide way 12 staggers each other the back, it can the joint be in to lead electrical pillar 20 on jack 11.
After the earshell 10 and the main board are mutually positioned, optionally, the maximum diameter of the outer circumference of the detent 21 is larger than the maximum diameter of the outer circumference of the guide groove 12, so that when the detent 21 is located on the earshell 10 side facing the main board, the detent 21 is hooked on the guide groove 12 side facing the main board. When the conductive column is installed, the clamping portion 21 is forcibly inserted into the guide groove 12, and the conductive column 20 is moved along the guide groove 12.
Since the maximum diameter of the circumference of the detent 21 is greater than the maximum diameter of the circumference of the guide slot 12, that is, the distance between the axis of the conductive post 20 at the farthest end of the detent 21 and the axis of the insertion hole 11 at the farthest end of the guide slot 12 is greater than the distance between the axis of the insertion hole 11 at the farthest end of the guide slot 12, when the conductive post 20 is moved in the motherboard direction, the conductive post 20 will not fall off from the insertion hole 11 by the detent 21, and when the detent 21 is forcibly inserted into the earmuff 10 toward the motherboard, the detent 21 can be engaged in the guide slot 12 even without rotating the conductive post 20. When the positioning portion 21 moves to the side of the earshell 10 facing the main board, the positioning portion 21 cannot slide out of the guide slot 12, so as to prevent the guide post 20 from falling off.
Referring to fig. 4 and fig. 5, in order to facilitate the guiding groove 12 and the positioning portion 21 to correspond to each other, in an embodiment of the present invention, a guiding inclined plane 13 is disposed on an edge of the guiding groove 12 away from one side of the main board, and a positioning inclined plane 25 is disposed on an edge of the positioning portion 21 toward one side of the main board; the guide inclined surface 13 corresponds to the positioning inclined surface 25 in position, so that the positioning inclined surface 25 can be attached to the guide inclined surface 13. When the positioning portion 21 is mortise-locked in the guide groove 12, the positioning inclined surface 25 and the guide inclined surface 13 are aligned with each other, so that the positioning portion 21 and the guide groove 12 are conveniently aligned with each other, and rapid positioning is further realized.
Since the guiding inclined plane 13 can be attached to the positioning inclined plane 25, when the positioning portion 21 is inserted into the guiding groove 12, the relative resistance between the positioning portion 21 and the edge of the guiding groove 12 can be reduced, and damage to the conductive post 20 or the earshell 10 during installation can be avoided.
Referring to fig. 3 and 6, fig. 6 is an enlarged view of a partial structure of the conductive post when the outer diameter of the positioning portion is larger than the inner diameter of the insertion hole in an embodiment of the present invention, the outer diameter of the positioning portion 21 is larger than the inner diameter of the insertion hole 11; when the conductive post 20 is inserted into the insertion hole 11, the positioning portion 21 is located at a side of the insertion hole 11 close to the motherboard. When the conductive post is installed, the clamping portion 21 is forcibly inserted into the insertion hole 11 until the clamping portion 21 clamps the conductive post 20 to the earshell 10.
The positioning portion 21 may be fastened to the side of the insertion hole 11 facing the motherboard, or may be fastened to the inner wall of the insertion hole 11, when the positioning portion 21 is fastened to the inner wall of the insertion hole 11, a groove corresponding to the positioning portion 21 may be provided in the insertion hole 11, and when the positioning portion 21 is embedded in the corresponding groove, the conductive post 20 is fastened in the insertion hole 11, so that the conductive post 20, the earmuff 10, and the motherboard are connected and fixed to each other.
In order to improve the stability of the conductive post 20, in an embodiment of the present invention, a limiting portion 22 is disposed on the conductive post 20, and an outer diameter of the limiting portion 22 is greater than an inner diameter of the insertion hole 11; when the conductive post 20 is inserted into the insertion hole 11, the positioning portion 21 and the limiting portion 22 are aligned to the outer sides of the two ends of the insertion hole 11. The clamping portion 21 is installed in the insertion hole 11, when the clamping portion 21 is located on one side of the insertion hole 11 facing the motherboard, the limiting portion 22 abuts against one side of the insertion hole 11 facing away from the motherboard, and at this time, the clamping portion 21 and the limiting portion 22 fix the conductive post 20 from two ends of the insertion hole 11 at the same time, so as to implement installation of the conductive post 20.
When the positioning portion 21 and the limiting portion 22 are engaged with each other, the earshell 10 may be mounted on the motherboard first, and then the conductive pillar 20 and the earshell 10 are mounted; the conductive post 20 and the ear shell 10 may be mounted first, and after the conductive post 20 and the ear shell 10 are fixed to each other, the ear shell 10 may be mounted on the motherboard.
The position limiting portion 22 and the position clamping portion 21 may form two symmetrical barb structures, the position limiting portion 22 and the position clamping portion 21 are respectively inserted backwards on the surfaces of the earmuffs 10 on the two sides of the insertion hole 11, and the two ends of the insertion hole 11 are used for positioning the conductive posts 20.
Referring to fig. 3 and 7, fig. 7 is an enlarged view of a partial structure of the conductive post when the position-locking portion is a threaded surface according to an embodiment of the present invention, and in an embodiment of the present invention, the position-locking portion 21 is a threaded surface 23 disposed on the conductive post 20; the inner wall of the insertion hole 11 is provided with an internal thread corresponding to the latching portion 21, so that the conductive post 20 is in threaded connection with the insertion hole 11. When the conductive post 20 is gradually screwed into the insertion hole 11, the conductive post 20 is fixed on the insertion hole 11, so that the conductive post 20 is mounted. The length of the thread surface 23 of the conductive post 20 may be determined according to the depth of the insertion hole 11.
In order to improve the stability of the conductive post 20, the present invention optionally provides a positioning portion 24 on the conductive post 20, wherein the outer diameter of the positioning portion 24 is greater than the inner diameter of the insertion hole 11; the positioning part 24 is located on one side of the conductive pillar 20 close to the motherboard; the thread surface 23 of the conductive post 20 is disposed on a side of the positioning portion 24 away from the motherboard. When the conductive post 20 is installed, one end of the conductive post 20, which is provided with the positioning portion 24, is close to the motherboard, the other end of the conductive post 20 is aligned with the insertion hole 11, and the conductive post 20 is screwed into the insertion hole 11, so that the conductive post 20 is gradually screwed into the insertion hole 11 until the positioning portion 24 is attached to the surface of the insertion hole 11, which faces the motherboard.
Under the action of the positioning portion 24, the range of the conductive post 20 moving into the insertion hole 11 can be limited, and the problem that the conductive post 20 is separated from the main board due to the fact that the conductive post 20 moves towards the inner direction of the insertion hole 11 in the using process is avoided.
The utility model discloses on above-mentioned earphone fills electric connection structure's basis, provide an embodiment of earphone.
The earphone comprises an earphone body and the earphone charging connection structure. The earphone charging connection structure comprises an earshell 10, and a main board and a conductive column 20 which are arranged on the earshell 10; the ear shell 10 presses the conductive post 20 against the motherboard, so that the conductive post 20 is electrically connected to the motherboard.
Because the main board and the conductive posts 20 are separated from each other, the conductive posts 20 can be processed in advance, the conductive posts 20 are installed in the earshell 10, and the sealing treatment is performed, so that the automatic processing degree and the processing yield of the product can be improved.
Because it mutually supports with earlap 10 to lead electrical pillar 20, make it is convenient to lead electrical pillar 20 easy dismounting, lead electrical pillar 20 with earlap 10 the mainboard is separable for each part all can be dismantled alone and change, effectively promotes process management and control quality and reduces rework cost of maintenance.
The conductive column 20 and the main board are matched with each other through the earmuff 10, so that the selection range of the main board in the earphone is wider, and the reduction of material cost is facilitated according to requirements.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An earphone charging connection structure is characterized by comprising a main board, an earshell and a conductive column arranged on the earshell;
the earshell compresses the conductive post on the motherboard to electrically connect the conductive post with the motherboard.
2. The earphone charging connection structure of claim 1, wherein a jack is provided on the ear shell, and the conductive post is inserted into the jack;
the conductive column is provided with a clamping part, and the clamping part clamps the conductive column in the jack.
3. The earphone charging connection structure of claim 2, wherein a guide groove is provided on an inner wall of the jack;
the maximum diameter of the outer circumference circle of the clamping part is larger than the inner diameter of the jack;
the clamping part moves from the side of the earshell, which is far away from the main board, to the side of the earshell, which is toward the main board, along the guide groove, and the conductive post is rotated, so that the clamping part is distributed on the side of the earshell, which is toward the main board, and is staggered with the guide groove.
4. The earphone charging connection structure of claim 3, wherein the maximum diameter of the circle of the detent portion is larger than the maximum diameter of the circle of the guide slot, so that when the detent portion is located at the side of the earshell facing the main board, the detent portion is hooked to the side of the guide slot facing the main board.
5. The earphone charging connection structure according to claim 4, wherein the guide groove has a guide slope at a side edge thereof away from the main board, and the locking portion has a positioning slope at a side edge thereof toward the main board;
the guide inclined plane corresponds to the positioning inclined plane in position, so that the positioning inclined plane can be attached to the guide inclined plane.
6. The earphone charging connection structure of claim 2, wherein an outer diameter of the seating portion is larger than an inner diameter of the jack;
when the conductive column is inserted into the jack, the clamping part is positioned at one side of the jack, which is close to the mainboard.
7. The earphone charging connection structure of claim 6, wherein a limiting portion is disposed on the conductive post, and an outer diameter of the limiting portion is larger than an inner diameter of the jack;
when the conductive column is inserted into the jack, the clamping part and the limiting part are aligned to be arranged at the outer sides of the two ends of the jack.
8. The charging connection structure for the earphone according to claim 2, wherein the latching portion is a threaded surface provided on the conductive post;
the inner wall of the jack is provided with internal threads corresponding to the clamping part, so that the conductive column is in threaded connection with the jack.
9. The earphone charging connection structure of claim 8, wherein the conductive post is provided with a positioning portion, and an outer diameter of the positioning portion is larger than an inner diameter of the jack;
the positioning part is positioned on one side of the conductive column close to the mainboard;
the thread surface on the conductive column is arranged on one side, away from the main board, of the positioning part.
10. A headset comprising a headset body and a headset charging connection structure as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559374.1U CN210157365U (en) | 2019-09-18 | 2019-09-18 | Earphone charging connection structure and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559374.1U CN210157365U (en) | 2019-09-18 | 2019-09-18 | Earphone charging connection structure and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210157365U true CN210157365U (en) | 2020-03-17 |
Family
ID=69767610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559374.1U Active CN210157365U (en) | 2019-09-18 | 2019-09-18 | Earphone charging connection structure and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210157365U (en) |
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2019
- 2019-09-18 CN CN201921559374.1U patent/CN210157365U/en active Active
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