WO2024146056A1 - Structure étanche à l'eau moulée par injection bicolore d'écouteur à conduction osseuse et procédé de moulage par injection bicolore - Google Patents
Structure étanche à l'eau moulée par injection bicolore d'écouteur à conduction osseuse et procédé de moulage par injection bicolore Download PDFInfo
- Publication number
- WO2024146056A1 WO2024146056A1 PCT/CN2023/097741 CN2023097741W WO2024146056A1 WO 2024146056 A1 WO2024146056 A1 WO 2024146056A1 CN 2023097741 W CN2023097741 W CN 2023097741W WO 2024146056 A1 WO2024146056 A1 WO 2024146056A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shell
- light guide
- guide column
- double
- molded
- Prior art date
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 45
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 41
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 11
- 239000011265 semifinished product Substances 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 230000004308 accommodation Effects 0.000 abstract 8
- 239000000243 solution Substances 0.000 description 13
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 5
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 5
- 210000003027 ear inner Anatomy 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 2
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 2
- 210000000860 cochlear nerve Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 210000003477 cochlea Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000000883 ear external Anatomy 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 210000002751 lymph Anatomy 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
- 210000002985 organ of corti Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Definitions
- the present invention relates to the technology of bone conduction earphone manufacturing field, and in particular to a double-shot injection molding waterproof structure of bone conduction earphone and a double-shot injection molding method.
- the side surface of the light guide column is inclined outward from bottom to top, and an embedding recess is provided on the side surface of the light guide column, and the plastic of the accommodating chamber can be filled into the embedding recess.
- a double-shot injection molding method for manufacturing a double-shot injection molding waterproof structure of a bone conduction earphone comprises the following steps:
- Step 4 Transfer the semi-finished product of step 3 to the overmolding mold, and wrap the semi-finished product with the injection-molded ear hook to complete the ear hook covering the light guide column and the receiving compartment, thereby obtaining a double-shot injection-molded waterproof structure of the bone conduction earphone.
- the double-shot injection molding method for producing a double-shot injection molding waterproof structure of a bone conduction headset has the beneficial effect that, compared with the prior art, the light guide column and the receiving chamber are molded together by the double-shot injection molding method, thereby eliminating the tedious assembly work and improving production efficiency; at the same time, there is no assembly gap between the light guide column and the receiving chamber, thereby further improving the waterproof performance of the product.
- an inclined surface and an embedding recess are provided on the side of the light guide column so that the plastic of the accommodating chamber can be filled into the embedding recess.
- FIG1 is a schematic diagram of a three-dimensional structure of a double-shot injection-molded waterproof structure of a bone conduction headset provided in an embodiment of the present application;
- FIG2 is a schematic diagram of a three-dimensional structure of a double-shot injection-molded waterproof structure of a bone conduction headset shown in FIG1 from another angle;
- FIG4 is a first cross-sectional view of a partial structure of a double-shot injection-molded waterproof structure of a bone conduction earphone shown in FIG1 ;
- FIG6 is a second cross-sectional view of a partial structure of the double-shot injection-molded waterproof structure of the bone conduction earphone shown in FIG1 ;
- FIG7 is a partial enlarged view of point B in FIG6;
- FIG8 is a general flow chart of a double-shot injection molding method for a double-shot injection molding waterproof structure of a bone conduction earphone provided in the present application.
- first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as “first” or “second” may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of “plurality” is two or more, unless otherwise clearly and specifically defined.
- the double-shot injection-molded waterproof structure of a bone conduction headset includes: a storage compartment 10, a light guide column 20, a sound-generating device 30, and an ear hook 40.
- the storage compartment 10 includes a first shell 101 and a second shell 102.
- the second shell 102 is snap-fitted and installed on the bottom of the first shell 101 to form a hollow storage cavity 103.
- the light guide column 20 and the second shell 102 are molded together by two-color injection molding.
- One of the two storage compartments 10 can be used as a battery compartment for accommodating a power source, and the other can be used as a control compartment for controlling the operation of the bone conduction headset.
- the control device can be installed in the control compartment.
- the light guide column 20 extends downward and protrudes from the outer side of the second shell 102 to form a first protrusion 22.
- the ear hook 40 is wrapped around the outer side of the second shell 102 and abuts against the side of the first protrusion 22.
- the outer surface of the ear hook 40 is flush with the outer surface of the first protrusion 22.
- Step 1 Use a two-color injection molding machine, on which a two-color injection mold capable of forming a row of light guide columns 20 and a receiving chamber 10 is installed;
- Step 4 Transfer the semi-finished product of step 3 to the overmolding mold, and inject the ear hook 40 to wrap the semi-finished product, so as to complete the ear hook 40 covering the light guide column 20 and the accommodating chamber 10, and obtain the double-shot injection-molded waterproof structure of the bone conduction earphone.
Abstract
L'invention concerne une structure étanche à l'eau moulée par injection bicolore d'un écouteur à conduction osseuse, comprenant une chambre de réception, une colonne de guidage de lumière, un dispositif de production de son et un crochet auriculaire. La chambre de réception et la colonne de guidage de lumière sont moulées de manière intégrée au moyen d'un moulage par injection bicolore ; une extrémité du crochet auriculaire recouvre le dispositif de production de son ; et l'autre extrémité du crochet auriculaire recouvre la surface de la chambre de réception et vient en butée contre la surface latérale de la colonne de guidage de lumière. Par comparaison avec l'état de la technique, la colonne de guidage de lumière et la chambre de réception sont moulées de manière intégrée au moyen d'un processus de moulage par injection bicolore, de sorte qu'une telle structure puisse éviter d'assembler des espaces provoqués par l'assemblage de la colonne de guidage de lumière et de la chambre de réception, ce qui permet d'améliorer les performances d'étanchéité à l'eau de la chambre de réception, et d'améliorer davantage les performances d'étanchéité à l'eau de l'écouteur à conduction osseuse. De plus, étant donné que la colonne de guidage de lumière et la chambre de réception sont moulées de manière intégrée au moyen d'un moulage par injection bicolore, l'assemblage n'est pas nécessaire, ce qui permet d'améliorer l'efficacité d'assemblage, et d'améliorer également la résistance structurale de l'ensemble de la chambre de réception.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310006603.1 | 2023-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024146056A1 true WO2024146056A1 (fr) | 2024-07-11 |
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