CN221306058U

CN221306058U - Waterproof just dismantlement formula bone conduction earphone of button improved generation

Info

Publication number: CN221306058U
Application number: CN202322741069.7U
Authority: CN
Inventors: 毛华生; 曾鸿
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-07-09
Anticipated expiration: 2033-10-12

Abstract

The utility model relates to the technical field of earphones, and discloses a waterproof convenient-to-detach type bone conduction earphone with an improved key, which comprises a key cap, a waterproof lining plate, a key suite and a shell, wherein a first inserting part is arranged on the key cap, a first embedding groove is arranged on the waterproof lining plate, a key hole is further formed in the shell, the waterproof lining plate is adhered to the shell and covers the key hole, the first inserting part is inserted into the first embedding groove after passing through the key hole and is in interference fit, and the key suite is in conflict with the bottom of the waterproof lining plate. The waterproof lining plate is used for blocking gaps among key holes, so that a waterproof effect is achieved, the key cap is spliced with the waterproof lining plate to form a key structure for being pressed by a user, the spliced structure is convenient to rapidly plug and pull for installation or disassembly, the beneficial effects of convenient disassembly and maintenance or replacement are achieved, and the problems of short key stroke and poor hand feeling of the earphone are solved through the double-layer pressing structure of the key sleeve piece and the waterproof lining plate.

Description

Waterproof just dismantlement formula bone conduction earphone of button improved generation

Technical Field

The utility model relates to the technical field of keys, in particular to a key silica gel buffer structure for an earphone.

Background

Headphones are listening devices that are often used in people's lives, and are mainly divided into neck band headphones, head phones, and ear-hanging headphones. Because the earphone itself is small, the function keys thereof need to be set smaller.

In the prior art, most of the touch keys are adopted, and users often cannot press the touch keys to control the accurate position, so that the problems of insensitive reaction, wrong control and the like are caused. The above drawbacks can be solved by a physical key, but the physical key has the following drawbacks: 1. gaps exist between the earphone and the keys, so that the waterproof problem needs to be solved; 2. the entity keys are inconvenient to detach after being assembled, the later maintenance is complicated, the key assemblies are required to be replaced, and the maintenance price is high; 3. the key stroke is short, the hand feeling is poor, and whether the key is pressed or not can not be timely fed back to the user.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a key silica gel buffer structure for an earphone, which overcomes the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waterproof just dismantlement formula bone conduction earphone of button improved generation, includes button cap, waterproof welt, button external member and casing, is equipped with first grafting portion on the button cap, is provided with the first embedded groove with first grafting portion looks adaptation on the waterproof welt, and the casing still is provided with the key hole, waterproof welt bonds and covers the key hole with the casing, inserts first embedded inslot interference fit after first grafting portion passes the key hole, and waterproof welt is made by elastic material, and the button external member is inconsistent with waterproof welt bottom.

Preferably, at least a circuit board and a key switch arranged on the circuit board are arranged in the shell, and the key suite is sleeved with the key switch.

Preferably, the key set kit forms at least one open-ended accommodation space, the key switch is fixedly arranged in the accommodation space, and the opening is provided with a detachable cover plate.

Preferably, a step limiting part matched with the position of the key hole is arranged in the shell, the waterproof lining plate is embedded into the step limiting part, and the peripheral side end face of the waterproof lining plate is tightly adhered to the peripheral side end face of the step limiting part.

Preferably, the waterproof lining plate is provided with a concave part, an integrally formed spherical bulge is arranged in the concave part, and the first embedded groove is formed in the spherical bulge.

Preferably, the waterproof lining board bottom is provided with first conflict portion, and wherein first conflict portion is corresponding with first embedded groove position, and first conflict portion week side is provided with the arc and caves in, and button external member top is provided with the second and contradicts the portion, is provided with the gasket between first conflict portion and the second conflict portion.

Preferably, the key set is made of elastic material.

Preferably, the key set external member and the waterproof lining board are made of silica gel materials.

Preferably, the key cap is provided with a second inserting part, the waterproof lining plate is provided with a second embedded groove matched with the second inserting part, the second inserting part is inserted into the second embedded groove after passing through the key hole in an interference fit manner, the waterproof lining plate is provided with an annular bulge, and the height of the annular bulge is lower than that of the spherical bulge.

Preferably, the key cap is provided with a third inserting part, a third embedded groove matched with the third inserting part is formed in the waterproof lining plate, the third inserting part is inserted into the third embedded groove after passing through the key hole, the first inserting part and the second inserting part are in cylindrical shape, and the third inserting part is in cuboid shape.

Compared with the prior art, the utility model has the following beneficial effects:

The waterproof lining plate is used for blocking gaps among key holes, so that a waterproof effect is achieved, the key cap is spliced with the waterproof lining plate to form a key structure for being pressed by a user, the spliced structure is convenient to rapidly plug and pull for installation or disassembly, the beneficial effects of convenient disassembly and maintenance or replacement are achieved, and the problems of short key stroke and poor hand feeling of the earphone are solved through the double-layer pressing structure of the key sleeve piece and the waterproof lining plate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a partially exploded view of the present utility model;

fig. 5 is a partial structural cross-sectional view of the present utility model.

The reference designations in the drawings are as follows:

1. A key cap; 2. a waterproof lining board; 3. a key set kit; 4. a gasket; 5. a first abutting portion; 6. a second abutting portion; 7. an arc-shaped groove; 8. a recessed portion; 9. spherical protrusions; 10. an annular protrusion; 11. a first plug-in connection; 12. a first embedded groove; 13. a key hole; 14. a step limit part; 15. a circuit board; 16. a key switch; 21. a second plug-in connection; 22. a second insertion groove; 31. a third plug-in connection; 32. and a third embedded groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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 fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 5, an embodiment of the present utility model provides: the utility model provides a waterproof just dismantlement formula bone conduction earphone of button improved generation, including button cap 1, waterproof welt 2, button external member 3 and casing 20, be equipped with first grafting portion 11 on the button cap 1, be provided with on the waterproof welt 2 with first grafting portion 11 looks adaptation first embedded groove 12, casing 20 still is provided with key hole 13, waterproof welt 2 bonds and covers key hole 13 with casing 20, waterproof welt 2 is used for shutoff key hole 13, contact between isolated casing 20 inner chamber and the external world, reaches the waterproof effect.

The first plug-in part 11 is inserted into the first embedded groove 12 after passing through the key hole 13 in an interference fit manner, the waterproof lining plate 2 is made of elastic materials, the first plug-in part 11 and the first embedded groove 12 generate friction force, the key cap 1 and the waterproof lining plate 2 are prevented from being easily separated from each other, and a plug-in structure is formed, so that the beneficial effects of convenient disassembly and maintenance or replacement of the key cap 1 are achieved.

And the button external member 3 is inconsistent with waterproof welt 2 bottom, and button external member 3 is made for elastic material simultaneously, and waterproof welt 2 forms double-deck elastic structure with button cover 3, has guaranteed the button feel when pressing the button, reduces the influence to the button stroke simultaneously, has realized the supportability between button cap and the key switch.

In this embodiment, the key cap 1, the waterproof liner 2 and the key set 3 form a volume key on the earphone, at least a circuit board 15 and a key switch 16 arranged on the circuit board 15 are arranged in the shell 20, and the key set 3 is sleeved with the key switch 16.

In this embodiment, the circuit board 15 is provided with at least one adding key switch and one subtracting key switch, and two key sleeves 3 are provided, and the two key sleeves 3 are respectively used for sleeving the adding key switch and the subtracting key switch, and each key sleeve 3 is independently sleeved with a key switch 16 so as to prevent the other key switch 16 from being touched by mistake.

In this embodiment, the key set 3 forms at least one open accommodating space, the opening is used for inserting the key switch 16 into the accommodating space and fixedly mounting, the key switch 16 is covered and fixed by the key set 3, and the anti-vibration performance of the key switch 16 is improved.

Preferably, the opening is provided with a detachable cover plate, so that the key switch is further completely covered, and the opening can be connected with the circuit board point through the key sleeve 3 by a metal conductive piece; meanwhile, the cover plate is detached, so that the key switch in the accommodating space can be observed in real time, and the operation, maintenance and detection are convenient.

In this embodiment, be provided with in the casing 20 with the step spacing portion 14 of key hole 13 position looks adaptation, and this step spacing portion 14 and waterproof welt 2 shape looks adaptation, waterproof welt 2 imbeds in the step spacing portion 14, reaches the effect of location waterproof welt 2, waterproof welt week side terminal surface and the inseparable laminating of step spacing portion week side terminal surface bond, increases the bonding area of casing 20 and waterproof welt 2 simultaneously, makes its connection more firm, improves the waterproof effect.

In this embodiment, the key cap 1 is made of hard plastic for pressing the user and providing the user with interference feedback through a hard effect.

In this embodiment, the key cover 3 and the waterproof liner plate 2 are both made of silica gel, which is also called silicate gel, is a high-activity adsorption material, and belongs to amorphous substances. The main component is silicon dioxide, and has the advantages of stable chemical property, no combustion, no dissolution in water and any solvent, no toxicity and smell, no reaction with any substances except strong alkali and hydrofluoric acid. The microporous structure in the silica gel has better adsorption capacity, and the connection strength of the key cap 1 and the waterproof lining plate 2 is improved.

Preferably, the materials of the key cover 3 and the waterproof liner plate 2 are only one of the embodiments; the materials of the key cover 3 and the waterproof lining board 2 are not limited.

In this embodiment, waterproof welt 2 bottom is provided with first conflict portion 5, key cover 3 top is provided with second conflict portion 6, gasket 4 is located between first conflict portion 5 and the second conflict portion 6, first conflict portion 5 and second conflict portion 6 are the column, when this structure can make key cap 1 press, first conflict portion 5 and second conflict portion 6 all can carry out compression deformation, provide good stroke of pressing for the key structure, the holistic resilience of button has been improved, the resilience sense of touch after the user presses the button has further been improved, gasket 4 has improved the supportability of key structure, prevent that bilayer elastic structure from bringing transition soft feel, can not provide the resilience feedback of key structure for the user.

In this embodiment, the gasket 4 is made of PET, and the PET has the advantages of electrical insulation, creep resistance, fatigue resistance, friction resistance, and dimensional stability, and the gasket 4 improves the support of the key structure, prevents the double-layer elastic structure from bringing soft transition hand feeling, and cannot provide rebound feedback of the key structure for the user.

Preferably, the gasket 4 can be made of other rigid plastics; the above-mentioned PET material is only one of the examples.

In this embodiment, an arc-shaped recess 7 is disposed on the peripheral side of the first abutting portion 5, and the arc-shaped recess 7 is provided to provide a yielding space for the first abutting portion 5 or the second abutting portion 6 when compressively deforming.

In this embodiment, be provided with depressed part 8 on the waterproof welt 2, be provided with integrated into one piece's spherical protruding 9 in the depressed part 8, first embedded groove 12 sets up on spherical protruding 9, when pressing button cap 1, button cap 1 bottom is contradicted with spherical protruding 9, and provide resilience force through spherical protruding 9 for the user, the resilience touch after further improving the user and pressing the button, wherein, depressed part 8 is for providing the space of stepping down when the compression deformation of spherical protruding 9, and first embedded groove 12 and first conflict 11 position looks adaptation, first grafting portion 11 inserts in the first embedded groove 12, when the button structure is pressed, above-mentioned structure accessible first grafting portion 11 is direct with the force conduction to button switch 16, through the point press button switch 16, realize controlling volume increment or decrement's effect.

In this embodiment, the key cap 1 is provided with a second insertion portion 21, the waterproof lining board 2 is provided with a second embedded groove 22 adapted to the second insertion portion 21, the second insertion portion 21 is inserted into the second embedded groove 22 after passing through the key hole 13, and the second insertion portion 21 and the second embedded groove 22 generate friction force, so that the connection strength of the key cap 1 and the waterproof lining board 2 is further improved, and the key cap 1 and the waterproof lining board 2 are prevented from being easily separated from each other.

Wherein, second grafting portion 21 is located the central part of button cap 1 bottom, is provided with annular protruding 10 on the waterproof welt 2, and this annular protruding 10 highly is less than the height of spherical protruding 9, forms a high low structure, prevents that spherical protruding 9 and annular protruding 10 from contradicting with the button cap simultaneously, leads to pressing the feel too hard, influences user experience and feels.

When the key cap 1 is pressed, the bottom of the key cap 1 is abutted against the annular bulge 10, and resilience force is provided for a user through the annular bulge 10, so that resilience touch feeling after the user presses a key is further improved.

In this embodiment, the key cap 1 is provided with a third plugging portion 31, the waterproof lining board 2 is provided with a third embedded groove 32 adapted to the third plugging portion 31, and the third plugging portion 31 is inserted into the third embedded groove 32 after passing through the key hole 13, so as to prevent the key cap 1 from being offset when being pressed.

Further, the two first plugging portions 11 are symmetrically arranged with the second plugging portion 21 as a central axis, the third plugging portion 31 is deviated from one side of the second plugging portion 21, and the third plugging portion 31 can prevent the key cap 1 and the waterproof lining plate 2 from being reversely assembled.

Wherein, first grafting portion 11 and second grafting portion 21 are the cylinder, and third grafting portion 31 is the cuboid, through different shapes, can confirm third grafting portion 31 fast, reach the effect of quick assembly, through the frictional force of different shapes formation different orientations, further promoted the joint strength of button cap 1 and waterproof welt 2, prevent button cap 1 and waterproof welt 2 to disconnect each other easily.

In this embodiment, the key cap 1 is marked with a "+" graphic mark indicating an increase in volume and a "-" graphic mark indicating a decrease in volume for quick recognition by the user.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a waterproof just dismantlement formula bone conduction earphone of button improved generation, includes button cap, waterproof welt, button external member and casing, its characterized in that: the waterproof lining board is provided with a first embedded groove matched with the first embedded groove, the shell is further provided with a key hole, the waterproof lining board is arranged on the shell and covers the key hole, the first embedded groove is inserted with interference fit after passing through the key hole, the waterproof lining board is made of elastic materials, the key suite is abutted to the bottom of the waterproof lining board, the key suite is used for being sleeved on the outer side of a key switch arranged in the shell, and a user presses the key cap and triggers the key switch to be turned on or off through the waterproof lining board and the key suite.

2. The waterproof just detachable bone conduction headset of claim 1, wherein: at least a circuit board and a key switch arranged on the circuit board are arranged in the shell, and the key suite is sleeved with the key switch.

3. The waterproof just detachable bone conduction headset of claim 2, wherein: the button external member forms at least one open-ended accommodation space, and button switch fixed mounting is in the accommodation space, and the opening is provided with the detachable apron.

4. The waterproof just detachable bone conduction headset of claim 1, wherein: the waterproof lining board is embedded into the stepped limiting part, and the peripheral end face of the waterproof lining board is tightly adhered to the peripheral end face of the stepped limiting part.

5. The waterproof just detachable bone conduction headset of claim 1, wherein: the waterproof lining plate is provided with a concave part, an integrally formed spherical bulge is arranged in the concave part, and the first embedded groove is formed in the spherical bulge.

6. The waterproof just detachable bone conduction headset of claim 4, wherein: the waterproof welt bottom is provided with first conflict portion, and wherein first conflict portion is corresponding with first embedded groove position, and first conflict portion week side is provided with the arc and caves in, and button external member top is provided with the second conflict portion, is provided with the gasket between first conflict portion and the second conflict portion.

7. The waterproof just detachable bone conduction headset of claim 1, wherein: the key set is made of elastic material.

8. The waterproof just detachable bone conduction headset of claim 7, wherein: the key set external member and the waterproof lining board are made of silica gel materials.

9. The waterproof just detachable bone conduction headset of claim 5, wherein: the key cap is provided with a second inserting part, a second embedding groove matched with the second inserting part is formed in the waterproof lining plate, the second inserting part is inserted into the second embedding groove after passing through the key hole and is in interference fit, an annular bulge is formed in the waterproof lining plate, and the height of the annular bulge is lower than that of the spherical bulge.

10. The waterproof just detachable bone conduction headset of claim 9, wherein: the key cap is provided with a third inserting part, a third embedding groove matched with the third inserting part is formed in the waterproof lining plate, the third inserting part is inserted into the third embedding groove after passing through the key hole and is in interference fit, the first inserting part and the second inserting part are cylindrical, and the third inserting part is cuboid.