CN220693340U

CN220693340U - Hearing aid

Info

Publication number: CN220693340U
Application number: CN202322099156.7U
Authority: CN
Inventors: 陈裕强
Original assignee: Huizhou Jinghao Medical Technology Co ltd
Current assignee: Huizhou Jinghao Medical Technology Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-03-29
Anticipated expiration: 2033-08-04

Abstract

The embodiment of the utility model discloses a hearing aid, which comprises a shell, an electric appliance component and a knob, wherein the shell is provided with a containing space and an opening communicated with the containing space, the electric appliance component is arranged in the containing space, a clamping part is formed at the opening of the shell, an annular groove is formed between the clamping part and the shell, the knob is provided with a protruding part which is arranged in the annular groove and can rotate in the annular groove, the knob is connected with the electric appliance component and is used for adjusting the volume of the hearing aid, and the knob can rotate outside the shell to adjust the volume of the hearing aid through the rotation of the protruding part in the annular groove, so that the occupied space in the shell can be reduced, and the miniaturization of the hearing aid is facilitated.

Description

Hearing aid

Technical Field

The utility model relates to the technical field of hearing assistance, in particular to a hearing aid.

Background

A hearing aid is a miniature loudspeaker device capable of hearing compensation for a hearing impaired person so that external sounds can be heard. The potentiometer of the existing hearing aid is arranged on the main board, the first knob is clamped with the torsion piece through the second knob, so that the first knob is prevented from falling off, the second knob is arranged in the hearing aid shell, and the second knob is arranged in the shell to occupy a large internal space, so that the miniaturization of the hearing aid is not facilitated.

Disclosure of Invention

Based on this, it is necessary to provide a hearing aid, and the potentiometer that aims at solving current hearing aid is located on the mainboard, and first knob passes through second knob and torsion piece joint, in order to avoid first knob to drop, installs the second knob in the hearing aid casing, because the second knob is installed and is taken great inner space in the casing to be unfavorable for the miniaturized technical problem of hearing aid.

The utility model provides a hearing aid, which comprises a shell, an electric appliance component and a knob, wherein the shell is provided with a containing space and an opening communicated with the containing space, the electric appliance component is installed in the containing space, a clamping part is formed at the opening of the shell, an annular groove is formed between the clamping part and the shell, the knob is provided with a protruding part, the protruding part is arranged in the annular groove and can rotate in the annular groove, and the knob is connected with the electric appliance component and is used for adjusting the volume of the hearing aid.

In one embodiment, the clamping portion is provided with a groove communicated with the annular groove, the protruding portion is provided with a protruding block, and the protruding block can move from the groove into the annular groove and can rotate in the annular groove.

In one embodiment, two protruding portions are provided, two protruding blocks are provided and are in one-to-one correspondence with the protruding portions, and two grooves are provided and are in one-to-one correspondence with the protruding blocks.

In one embodiment, a limiting member is disposed in the annular groove, and the limiting member is configured to limit a rotational position of the protruding portion.

In one embodiment, the electrical component comprises a potentiometer and a torsion member connected with the potentiometer, the potentiometer is installed at the opening, the torsion member is provided with an assembly groove, the knob is provided with an assembly part, and the assembly part is clamped with the groove wall of the assembly groove.

In one embodiment, the assembly groove is a cross groove, and the assembly part is a cross block, and the cross block is clamped with a groove wall of the cross groove.

In one embodiment, the knob is provided with a receiving slot for receiving the torsion member.

In one embodiment, the electrical component further comprises a main board, a circuit board and a connecting piece, wherein the circuit board is connected with the main board through the connecting piece, and the potentiometer is connected to the circuit board.

In one embodiment, the housing is further provided with a through hole communicated with the accommodating space, and the electrical component further comprises a contact, wherein the contact is installed in the through hole and is used for being in contact with an external power supply for charging.

In one embodiment, the knob surface is provided with raised or recessed anti-slip portions for increasing friction of the knob.

The implementation of the embodiment of the utility model has the following beneficial effects:

the electric component of the hearing aid is arranged in the accommodating space, the clamping part is formed at the opening of the shell, the annular groove is formed between the clamping part and the shell, the knob is provided with the protruding part, the protruding part is arranged in the annular groove and can rotate in the annular groove, the knob is connected with the electric component and is used for adjusting the volume of the hearing aid, and the knob can rotate outside the shell to adjust the volume of the hearing aid through the rotation of the protruding part in the annular groove, so that the occupied space of the shell can be reduced, and the miniaturization of the hearing aid is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

fig. 1 is an isometric view of a hearing aid in one embodiment.

Fig. 2 is an exploded view of the hearing aid of fig. 1.

Fig. 3 is an enlarged partial schematic view of the portion a of the hearing aid of fig. 2.

Fig. 4 is an exploded view of the hearing aid of fig. 2 at another angle.

Fig. 5 is an enlarged partial schematic view of the portion B of the hearing aid of fig. 4.

Fig. 6 is a front view of the housing of the hearing aid of fig. 4.

Fig. 7 is a first angular schematic view of the housing of the hearing aid of fig. 4.

Fig. 8 is a second angular schematic view of the housing of the hearing aid of fig. 4.

Fig. 9 is a schematic view of the knob and electrical components of the hearing aid of fig. 4.

Reference numerals:

1. a housing; 11. a first shell; 12. a second case; 13. an accommodating space; 14. an opening; 15. a clamping part; 151. a groove; 16. an annular groove; 161. a limiting piece; 17. a through hole;

2. a knob; 21. a boss; 211. a bump; 22. a fitting; 23. a receiving groove; 24. an anti-slip part; 25. a resisting sheet;

3. an electrical component; 31. a potentiometer; 32. a torsion member; 321. an assembly groove; 33. a main board; 34. a circuit board; 35. a connecting piece; 36. and a contact.

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 be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Referring to fig. 1 to 9 together, a hearing aid according to the present utility model will now be described. The hearing aid comprises a shell 1, an electrical component 3 and a knob 2, wherein the shell 1 is provided with a containing space 13 and an opening 14 communicated with the containing space 13, and the electrical component 3 is arranged in the containing space 13. The housing 1 includes a first case 11 and a second case 12, and the first case 11 and the second case 12 enclose a receiving space 13. The shell 1 is provided with a clamping part 15 at the opening 14, an annular groove 16 is formed between the clamping part 15 and the shell 1, the knob 2 is provided with a protruding part 21, the protruding part 21 is arranged in the annular groove 16 and can rotate in the annular groove 16, and the knob 2 is connected with the electrical component 3 and is used for adjusting the volume of the hearing aid.

It will be appreciated that the electrical component 3 of the hearing aid is mounted in the accommodating space 13, the housing 1 is provided with the clamping part 15 at the opening 14, the annular groove 16 is formed between the clamping part 15 and the housing 1, the knob 2 is provided with the protruding part 21, the protruding part 21 is arranged in the annular groove 16 and can rotate in the annular groove 16, the knob 2 is connected with the electrical component 3 and is used for adjusting the volume of the hearing aid, and the knob 2 can rotate outside the housing 1 to adjust the volume of the hearing aid through the protruding part 21 because the knob 2 rotates in the annular groove 16, so that the occupied space of the housing 1 can be reduced, thereby being beneficial to the miniaturization of the hearing aid.

In addition, because the knob 2 is arranged outside the shell 1, the force of the rotary knob 2 is applied to the shell 1, and the fixation of other parts inside the shell 1 is not affected. In addition, the diameter size of the knob 2 can be close to that of the shell 1, so that the knob 2 can be conveniently rotated, and the user experience is improved.

It should be noted that, during the process of fitting the protruding portion 21 into the annular groove 16, the protruding portion 21 and the engaging portion 15 can be plastically deformed, so that the protruding portion 21 can be fitted into the annular groove 16. When the boss 21 rotates in the annular groove 16, the boss 21 is not separated from the annular groove 16 because the clamping portion 15 can resist the boss 21.

In the present embodiment, the engaging portion 15 is provided with a groove 151 communicating with the annular groove 16, and the protruding portion 21 is provided with a projection 211, and the projection 211 is movable from the groove 151 into the annular groove 16 and rotatable in the annular groove 16. By providing the projection 211 and the groove 151, the projection 211 can be moved from the groove 151 into the annular groove 16, thereby facilitating the assembly of the knob 2. In order to prevent the boss 21 and the boss 211 from being separated from the annular groove 16 during rotation of the boss 211 and the boss 21 in the annular groove 16, the engaging portion 15 can abut against the boss 211 so that the boss 21 and the boss 211 can rotate in the annular groove 16.

Further, two protrusions 21 are provided, two protrusions 211 are provided and are arranged in one-to-one correspondence with the protrusions 21, and two grooves 151 are provided and are arranged in one-to-one correspondence with the protrusions 211. By providing the two bosses 21 and the two projections 211, the knob 2 can be smoothly rotated. The two grooves 151 are provided such that the two projections 211 can move from the grooves 151 into the annular groove 16, respectively.

In one embodiment, as shown in fig. 2, 3 and 8, a stopper 161 is provided in the annular groove 16, and the stopper 161 is used to limit the rotational position of the boss 21. Specifically, the limiting member 161 may be a limiting protrusion. In practice, the spacing member 161 is disposed in a gap formed by the two bosses 21 disposed at a distance. By providing the stopper 161, the knob 2 is rotated, and the stopper 161 restricts the rotational position of the boss 21, thereby restricting the rotational position of the projection 211, so as to prevent the projection 211 from being able to move from the annular groove 16 to the groove 151, thereby preventing the projection 211 from being separated from the annular groove 16.

Of course, in other embodiments, the spacing member 161 may be provided with two. The two stoppers 161 are provided such that after one of the two stoppers 161 is damaged, the other one of the two stoppers 161 can also function to restrict the rotational position of the boss 21, thereby restricting the rotational position of the projection 211, so as to prevent the projection 211 from being able to move from the annular groove 16 to the groove 151, thereby preventing the projection 211 from being disengaged from the annular groove 16.

In an embodiment, as shown in fig. 2 to 9, the electrical component 3 includes a potentiometer 31, and a torsion member 32 connected to the potentiometer 31, the potentiometer 31 is installed at the opening 14, the torsion member 32 is provided with an assembly groove 321, the knob 2 is provided with an assembly member 22, and the assembly member 22 is clamped with a groove wall of the assembly groove 321. Since the potentiometer 31 is mounted at the opening 14, the fitting 22 can be engaged with the groove wall of the fitting groove 321. Through setting up fitting groove 321 and assembly part 22, assembly part 22 and the cell wall joint in fitting groove 321 for knob 2 can rotate torsion member 32, thereby makes torsion member 32 can drive the part of potentiometre 31 and takes place the displacement, and the part displacement of potentiometre 31 changes and changes into electric signal transmission and to mainboard 33, in order to can adjust the volume of audiphone.

In this embodiment, the fitting groove 321 is a cross groove, and the fitting 22 is a cross block, and the cross block is clamped with a groove wall of the cross groove. Because the cross block is clamped with the groove wall of the cross groove, after the knob 2 rotates, the knob 2 drives the torsion piece 32 to rotate, and the torsion piece 32 drives the parts of the potentiometer 31 to displace.

Of course, in other embodiments, the assembly slot 321 may be a slot, and the assembly 22 may be a block, where the block is engaged with a slot wall of the slot. Because the word block is clamped with the groove wall of the word groove, after the knob 2 rotates, the knob 2 can drive the torsion piece 32 to rotate, and the torsion piece 32 drives the parts of the potentiometer 31 to displace.

Further, the knob 2 is provided with a receiving groove 23, and the receiving groove 23 is used for receiving the torsion member 32. By providing the accommodating groove 23, the torsion member 32 can be accommodated in the accommodating groove 23, so that the fitting 22 can be firmly clamped with the groove wall of the fitting groove 321.

Further, the knob 2 is further provided with a blocking piece 25, and the blocking piece 25 can limit the rotation angle of the knob 2, thereby limiting the maximum volume and the minimum volume of the hearing aid.

In one embodiment, as shown in fig. 5, the electrical component 3 further includes a main board 33, a circuit board 34, and a connector 35, the circuit board 34 is connected to the main board 33 through the connector 35, and the potentiometer 31 is connected to the circuit board 34. The electric signals converted by the change of the displacement of the parts of the potentiometer 31 are transmitted to the circuit board 34, the circuit board 34 transmits the electric signals to the main board 33 through the connecting piece 35, and the main board 33 controls and adjusts the volume of the hearing aid. The connecting piece 35 has flexibility, so that the torsion piece 32 can always be attached to the knob 2, and the fitting 22 is clamped with the groove wall of the fitting groove 321 more tightly.

In one embodiment, as shown in fig. 2 and 9, the housing 1 is further provided with a through hole 17 communicating with the accommodating space 13, and the electrical component 3 further includes a contact 36, where the contact 36 is mounted in the through hole 17 and is used for contact charging with an external power source. Specifically, the contact 36 is connected to the main board 33, the main board 33 is connected to the power supply unit of the hearing aid, and the external power supply can charge the power supply unit through the contact 36. The contact 36 has flexibility so that the contact 36 can be in firm contact with an external power source.

In one embodiment, as shown in fig. 3, the surface of the knob 2 is provided with raised or recessed anti-slip portions 24, the anti-slip portions 24 being used to increase the friction of the knob 2. By providing the anti-slip portion 24, the friction force of the user to rotate the knob 2 can be increased, the knob 2 can be rotated more easily, and the feel of the knob 2 can be increased.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The hearing aid is characterized by comprising a shell, an electric appliance component and a knob, wherein the shell is provided with a containing space and an opening communicated with the containing space, the electric appliance component is installed in the containing space, a clamping part is formed at the opening of the shell, an annular groove is formed between the clamping part and the shell, the knob is provided with a protruding part, the protruding part is arranged in the annular groove and can rotate in the annular groove, and the knob is connected with the electric appliance component and is used for adjusting the volume of the hearing aid.

2. The hearing aid according to claim 1, wherein the clamping portion is provided with a recess in communication with the annular recess, and the protruding portion is provided with a projection which is movable from the recess into the annular recess and rotatable in the annular recess.

3. The hearing aid according to claim 2, wherein there are two protrusions, two protrusions are provided and are arranged in one-to-one correspondence with the protrusions, and two grooves are provided and are arranged in one-to-one correspondence with the protrusions.

4. A hearing aid according to claim 2, wherein a stop is provided in the annular groove, the stop being adapted to limit the rotational position of the boss.

5. The hearing aid according to claim 1, wherein the electrical component comprises a potentiometer and a torsion member connected to the potentiometer, the potentiometer being mounted at the opening, the torsion member being provided with an assembly groove, the knob being provided with a fitting, the fitting being snapped into a groove wall of the assembly groove.

6. The hearing aid according to claim 5, wherein the fitting groove is a cross groove, the fitting being a cross block, the cross block being snapped into a groove wall of the cross groove.

7. Hearing aid according to claim 5, characterized in that the knob is provided with a receiving groove for receiving the torsion element.

8. The hearing aid of claim 5, wherein the electrical assembly further comprises a motherboard, a circuit board, and a connector, the circuit board being connected to the motherboard by the connector, the potentiometer being connected to the circuit board.

9. The hearing aid according to claim 8, wherein the housing is further provided with a through hole communicating with the receiving space, and the electrical component further comprises a contact mounted in the through hole for contact charging with an external power source.

10. Hearing aid according to claim 1, characterized in that the knob surface is provided with raised or recessed anti-slip parts for increasing the friction of the knob.