CN221467887U - Bending-torsion-resistant neck band earphone - Google Patents
Bending-torsion-resistant neck band earphone Download PDFInfo
- Publication number
- CN221467887U CN221467887U CN202323262774.5U CN202323262774U CN221467887U CN 221467887 U CN221467887 U CN 221467887U CN 202323262774 U CN202323262774 U CN 202323262774U CN 221467887 U CN221467887 U CN 221467887U
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- CN
- China
- Prior art keywords
- bending
- fpc board
- metal sheet
- inner box
- connecting piece
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Links
- 238000005452 bending Methods 0.000 claims abstract description 50
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a neck band earphone with bending resistance, wherein a neck band part of the neck band earphone comprises a first inner box, a second inner box, a first FPC board, a connecting piece and a shell; one end of the connecting piece is fixed on the first inner box, and the other end of the connecting piece is fixed on the second inner box; the first FPC board is fixed on the connecting piece; the neck strap portion further comprises a kink resistant sheet metal; the bending-resistant metal sheet is fixed on the first FPC board, and the bending-resistant metal sheet and the connecting piece clamp the first FPC board. The utility model can improve the bending and twisting resistance of the neck strap structure.
Description
Technical Field
The utility model relates to the technical field of neck band earphones, in particular to a neck band earphone resistant to bending torsion.
Background
Neck strap headphones, also known as neck-hung headphones, necklace headphones, and the like. The neck strap material of the existing neck strap earphone is soft and suitable for daily bending, wherein two inner boxes a1 and a2 for placing electronic devices, an FPC flexible circuit board a3 and a connecting piece a4 for connecting the two inner boxes are arranged in the neck strap. For example, as shown in fig. 1, the FPC is attached to the connector by means of the 3M back adhesive of the FPC, and then the FPC is fixed on the surface of the FPC by means of attaching the inner wall surface of the molded silicone housing, wherein two ends of the connector are respectively fixed on the control box and the battery box. However, after the bending reliability test is performed on the existing neck strap (including two test contents of bending and stretching (angle is smaller than 90 degrees) and torsion (angle is smaller than 60 degrees)), the surface of the existing neck strap is in a bulging condition when the angle of bending is higher (angle is smaller than 90 degrees) or the angle of torsion is higher (angle is smaller than 60 degrees), and the existing neck strap cannot recover after a period of time, at this time, the shell of the neck strap is disassembled, the FPC can be seen to have folds, and therefore, the bending resistance of the existing neck strap structure is further improved.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the bending-resistant neck strap earphone which can improve the bending-resistant torsion capability of a neck strap structure.
In order to solve the technical problems, the utility model discloses a neck band earphone with bending resistance, wherein a neck band part of the neck band earphone comprises a first inner box, a second inner box, a first FPC board, a connecting piece and a shell; one end of the connecting piece is fixed on the first inner box, and the other end of the connecting piece is fixed on the second inner box; the first FPC board is fixed on the connecting piece; the neck strap portion further comprises a kink resistant sheet metal;
The bending-resistant metal sheet is fixed on the first FPC board, and the bending-resistant metal sheet and the connecting piece clamp the first FPC board.
As an alternative embodiment, the bending-resistant metal sheet coincides with a projection profile of the connection member in a direction perpendicular to the first FPC board.
As a further alternative embodiment, the device further comprises two fixing covers for fixing the end parts of the bending-resistant metal sheet, wherein one fixing cover is tightly attached to the first end part of the bending-resistant metal sheet and fixed on the first inner box, and the other fixing cover is tightly attached to the second end part of the bending-resistant metal sheet and fixed on the second inner box.
As a further alternative embodiment, the thickness of the bending-resistant sheet metal is 0.1-0.3mm.
As yet another alternative embodiment, the material of the bending-resistant sheet metal is stainless steel.
As yet another alternative embodiment, the bending-resistant metal sheet is fixed to the first FPC board by an adhesive.
As a further alternative embodiment, the portable electronic device further comprises a second FPC board arranged in the first inner box and connected with the electronic device in the first inner box, and a third FPC board arranged in the second inner box and connected with the electronic device in the second inner box; the two ends of the first FPC board are respectively and electrically connected with the second FPC board and the third FPC board, and the first FPC board is used for connecting an electronic device in the first inner box with an electronic device in the second inner box.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the embodiment of the utility model, the bending-torsion-resistant metal sheet is added, the bending-torsion-resistant metal sheet is fixed on the first FPC board, and the bending-torsion-resistant metal sheet and the connecting piece are clamped together to fix the first FPC board, and the added bending-torsion-resistant metal sheet has a certain bending-torsion resistance, so that the bending-torsion resistance of the conventional neck strap structure can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a conventional neck band earphone according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a bending-torsion-resistant neck band earphone according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2, an embodiment of the present utility model discloses a neck band earphone resistant to bending torsion, a neck band portion of which includes a first inner case 1, a second inner case 2, a first FPC board 3, a connection member 4, and a housing (including an outer cover 5 and an upper cover (decorative cover) 6); one end of the connecting piece is fixed on the first inner box, and the other end of the connecting piece is fixed on the second inner box; the first FPC board is fixed on the connecting piece; the neck strap portion further comprises a kink resistant metal sheet 7;
The bending-resistant metal sheet is fixed on the first FPC board, and the bending-resistant metal sheet and the connecting piece clamp the first FPC board.
In this embodiment, the first inner case and the second inner case may be a control case for placing a control circuit and related devices or a battery case for placing a battery.
According to the embodiment, the bending torsion resistant metal sheet is added, the bending torsion resistant metal sheet is fixed on the first FPC board, and the bending torsion resistant metal sheet and the connecting piece are clamped together to fix the first FPC board.
It should be noted that, the bending reliability test is performed on the neck strap portion of the neck strap earphone of the embodiment, the material of the bending-resistant metal sheet is firstly determined to be stainless steel, the shape of the bending-resistant metal sheet is similar to that of the connecting piece, after the bending reliability test is performed (including two test contents of bending and stretching (the angle is smaller than 90 degrees) and torsion (the angle is smaller than 60 degrees)), it is found that a slight impression appears on the surface of the bent neck strap earphone of the embodiment, but the bending-resistant metal sheet can be naturally recovered after a period of time, and the bending-resistant metal sheet has better bending-resistant capability compared with the existing neck strap structure.
In an alternative embodiment, the bending-resistant metal sheet coincides with a projection profile of the connection member in a direction perpendicular to the first FPC board; since the bending and torsion resistant sheet metal and the profile of the connector may be more contoured in certain locations during bending and torsion, this embodiment limits the profiles to very close together in order to reduce the extent to which the profile is more contoured to avoid subjecting the portion to excessive forces.
In a further alternative embodiment, two fixing caps 8 for fixing the ends of the bending-resistant sheet metal are also included, one of which is attached to the first end of the bending-resistant sheet metal and to the first inner box and the other of which is attached to the second end of the bending-resistant sheet metal and to the second inner box.
In yet another alternative embodiment, the thickness of the kink resistant sheet metal is 0.1-0.3mm.
In yet another alternative embodiment, the material of the kink resistant sheet metal is stainless steel.
In yet another alternative embodiment, the bending-resistant metal sheet is fixed to the first FPC board by adhesive.
In a further alternative embodiment, the device further comprises a second FPC board 9 arranged in the first inner box and connected with the electronic devices in the first inner box, and a third FPC board 10 arranged in the second inner box and connected with the electronic devices in the second inner box; the two ends of the first FPC board are respectively and electrically connected with the second FPC board and the third FPC board, and the first FPC board is used for connecting an electronic device in the first inner box with an electronic device in the second inner box.
The assembly process of the neck band portion of the neck band earphone of the present embodiment may be as follows:
1. firstly, connecting the connecting piece with the two ends of the neck belt control box and the battery box by using 4-6 screws;
2. then penetrating the second FPC board into the first inner box, and penetrating the third FPC board into the second inner box;
3. then, bonding and assembling the bending and torsion resistant metal sheet on the surface of the first FPC board by using double-sided adhesive tape;
4. then, fixing covers are arranged in the ports of the first inner box and the second inner box, and sealing glue is fixed through hot melting columns;
5. integrally filling the neck belt inner mold assembly into a molding silica gel mold to mold silica gel;
6. And finally, respectively and electrically connecting the two ends of the first FPC board with the second FPC board and the third FPC board.
The disclosure of the embodiments of the present utility model is merely a preferred embodiment of the present utility model, and is merely for illustrating the technical scheme of the present utility model, but not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (7)
1. A neck strap earphone resistant to bending torsion, wherein a neck strap part of the neck strap earphone comprises a first inner box, a second inner box, a first FPC board, a connecting piece and a shell; one end of the connecting piece is fixed on the first inner box, and the other end of the connecting piece is fixed on the second inner box; the first FPC board is fixed on the connecting piece; wherein the neck strap portion further comprises a kink resistant sheet metal;
The bending-resistant metal sheet is fixed on the first FPC board, and the bending-resistant metal sheet and the connecting piece clamp the first FPC board.
2. The neck band earphone of claim 1, wherein the bending-resistant metal sheet coincides with a projected contour of the connection member in a direction perpendicular to the first FPC board.
3. The neck strap earphone of claim 1 further comprising two securing covers for securing the ends of the anti-kink metal sheet, one of the securing covers being secured against a first end of the anti-kink metal sheet and to the first inner case and the other securing cover being secured against a second end of the anti-kink metal sheet and to the second inner case.
4. The neck band earphone of claim 1, wherein the thickness of the bending-resistant metal sheet is 0.1-0.3mm.
5. The neck strap earphone of claim 1 wherein the material of the kink resistant metal sheet is stainless steel.
6. The neck band earphone of claim 1, wherein the bending-resistant metal sheet is fixed to the first FPC board by an adhesive.
7. The neck band earphone of claim 1, further comprising a second FPC board disposed within the first inner case and connected to the electronics within the first inner case, a third FPC board disposed within the second inner case and connected to the electronics within the second inner case; the two ends of the first FPC board are respectively and electrically connected with the second FPC board and the third FPC board, and the first FPC board is used for connecting an electronic device in the first inner box with an electronic device in the second inner box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262774.5U CN221467887U (en) | 2023-11-30 | 2023-11-30 | Bending-torsion-resistant neck band earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262774.5U CN221467887U (en) | 2023-11-30 | 2023-11-30 | Bending-torsion-resistant neck band earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221467887U true CN221467887U (en) | 2024-08-02 |
Family
ID=92341004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323262774.5U Active CN221467887U (en) | 2023-11-30 | 2023-11-30 | Bending-torsion-resistant neck band earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221467887U (en) |
-
2023
- 2023-11-30 CN CN202323262774.5U patent/CN221467887U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |