Hearing aid structure

Abstract

The utility model relates to the technical field of hearing aids, and discloses a hearing aid structure. The circuit module specifically comprises a lower shell assembly and an upper shell assembly, the upper shell assembly is provided with an upper shell, a connecting shell and a key, so that the key is connected with the circuit module through the connecting shell, and when the key is pressed downwards, force unloading buffering can be carried out through the connecting shell, so that damage to the circuit module caused by repeated pressing of the key is avoided. Meanwhile, the connecting shell can be further arranged to be of a silica gel structure or a rubber structure, so that the connecting shell provides buffering and damping effects for the circuit, and the circuit module is further protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hearing aid, concretely relates to a hearing aid structure. BACKGROUND

[0002] Hearing aid is a small loudspeaker, which enlarges the originally inaudible sound, and uses the residual hearing of the hearing-impaired person to send the sound to the brain auditory center to feel the sound. The hearing aid is mainly composed of a microphone, an amplifier, an earphone, a power supply and a volume control. With the miniaturization design of the hearing aid, the hearing aid is more and more miniaturized, but in the prior art such as "CN214315605U - a hearing aid and a hearing aid device", the key is directly connected with the hearing aid circuit board. Because the hearing aid is used frequently, the circuit board is easily damaged after repeatedly pressing the key. SUMMARY

[0003] In order to solve the problems of the prior art, the utility model provides a hearing aid structure, which solves the problem that the existing hearing aid is easily damaged after repeatedly pressing the key due to high frequency of use.

[0004] The technical effects achieved by the utility model are realized through the following aspects:

[0005] In a first aspect, the utility model provides a hearing aid structure, which comprises:

[0006] A lower shell assembly comprises a lower shell body and a circuit module arranged inside the lower shell body, and the circuit module is used for amplifying and playing the picked-up sound source;

[0007] An upper shell assembly is fixedly connected with the lower shell assembly, and the upper shell assembly comprises an upper shell body, a connecting shell body and a key.

[0008] The key is press-connected with the circuit module through the connecting shell body.

[0009] In some implementations, the connecting shell body is a silica gel structure or a rubber structure.

[0010] In some implementations, the key is a convex structure with a narrow upper part and a wide lower part, the lower end of the key is provided with a slot, and the lower end of the key is provided with a first abutting column.

[0011] In some implementations, the upper surface of the key is provided with concave-convex lines.

[0012] In some implementations, the first mounting position comprises a first recess and a first protrusion arranged in the middle of the first recess, and the lower end of the key is arranged in the first recess and sleeved on the first protrusion.

[0013] In some implementations, the upper surface of the first protrusion is provided with a first connecting groove, and the connecting shell is further provided with a second protrusion arranged at the lower end of the first connecting groove; the second protrusion is arranged above a conductive switch of the circuit module and is pressed on the conductive switch when the key is pressed to change the state of the circuit module.

[0014] In some implementations, the slotted inner side of the key is provided with a first limiting piece, and the first protrusion is provided with a second limiting piece matched with the first limiting piece.

[0015] In some implementations, the first limiting groove of the upper shell is provided with a second recess on the outer periphery.

[0016] In some implementations, the upper end of the lower shell is provided with a convex edge, and the convex edge is provided with a clamping groove; the lower end of the upper shell is provided with a buckle, and the upper shell is fixed on the lower shell by clamping the buckle in the clamping groove.

[0017] In some implementations, the lower shell is provided with a guide groove, the connecting shell is provided with a guide hole, and the upper shell is provided with a guide column which passes through the guide hole and is limited in the guide groove.

[0018] In some implementations, the lower shell has a sound guide pipe, and the sound guide pipe at least comprises a main pipe, a first connecting part, a second connecting part and a third connecting part connected in sequence, the main pipe is connected with the lower shell, and the third connecting part can extend into the ear for audio playing.

[0019] In summary, the hearing aid structure has at least the following advantages:

[0020] 1. The hearing aid structure comprises a lower shell assembly and an upper shell assembly, and the upper shell assembly is provided with an upper shell, a connecting shell and a key, so that the key is connected with the circuit module through the connecting shell, and when the key is pressed, the connecting shell can be used for force unloading and buffering to avoid damage to the circuit module caused by repeated pressing of the key. At the same time, the connecting shell can be further arranged in a silica gel structure or a rubber structure, so that the connecting shell provides buffering and damping effect for the circuit module, and further protects the circuit module. In addition, the connecting shell can be arranged on the upper end of the lower shell, so as to avoid dust from entering the inside of the circuit module through the gap between the key and the upper shell when the key is pressed, thereby protecting the structure of the circuit module.

[0021] 2. The hearing aid structure of the utility model provides, still to the sound guide pipe is multistage structure, wherein, the sound guide pipe at least includes the main pipe, first connecting portion, second connecting portion and third connecting portion which are connected in turn. And in the main pipe, first connecting portion, second connecting portion and third connecting portion are the cavity structure of intercommunication;Not only can the sound outlet design distance person's ear is closer to increase the hearing aid effect;At the same time, still can pass through the main pipe, first connecting portion, second connecting portion and third connecting portion cavity structure change increases the level of audio, further improves the hearing aid experience. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional schematic view of the hearing aid structure of the utility model embodiment 1 and 2.

[0023] Figure 2 It is the first explosion schematic view of the hearing aid structure of the utility model embodiment 1 and 2.

[0024] Figure 3 It is the second explosion schematic view of the hearing aid structure of the utility model embodiment 1 and 2.

[0025] Figure 4 It is the section view schematic view of the hearing aid structure of the utility model embodiment 3.

[0026] Markings in the figure:

[0027] 100, lower shell assembly;110, lower shell body;120, circuit module;130, sound guide pipe;111, clamping groove;121, conductive switch;131, main pipe;132, first connecting portion;133, second connecting portion;134, third connecting portion;

[0028] 200, upper shell assembly;210, upper shell body;211, first limiting slot;212, buckle;213, guide column;214, first pickup hole;220, connecting shell body;221, first mounting position;222, first recess;223, first protruding block;224, first connecting groove;225, second limiting piece;226, second protruding block;227, second pickup hole;228, guide hole;230, button;231, slot;232, first abutment column;233, first limiting piece. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. The described embodiment is a part of the embodiment of the utility model, instead of all the embodiments.

[0030] The following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the application.

[0031] Embodiment 1

[0032] Please refer to the accompanying Figures 1-3 The first embodiment of the hearing aid structure comprises a lower shell assembly 100 and an upper shell assembly 200. The upper shell assembly 200 is provided with an upper shell body 210, a connecting shell body 220 and a button 230. The button 230 is connected to the circuit module 120 through the connecting shell body 220. When the button 230 is pressed, the force can be buffered through the connecting shell body 220 to avoid damage to the circuit module 120 caused by repeated pressing of the button 230. The specific structure of the hearing aid is as follows:

[0033] The lower shell assembly 100 comprises a lower shell body 110 and a circuit module 120 arranged inside the lower shell body 110. The circuit module 120 is used to amplify and play the picked-up sound source. The lower shell assembly 100 is used to install the circuit module 120 and play the amplified sound source generated by the circuit module 120 outward through the sound guide pipe 130 arranged on the lower shell body 110. The circuit module 120 can include a sound pickup microphone, a digital signal processor and a battery, etc. The sound pickup microphone and the digital signal processor can be integrated on a control circuit board, and the control circuit board is provided with a conductive switch 121 that can control the state of the circuit module 120.

[0034] The upper shell assembly 200 is fixedly connected with the lower shell assembly 100. The upper shell assembly 200 comprises an upper shell body 210, a connecting shell body 220 and a button 230. The connecting shell body 220 is provided with a first mounting position 221, the upper shell body 210 is provided with a first limiting groove 211, and the lower end of the button 230 is arranged on the first mounting position 221 and the upper end of the button 230 is limitedly arranged in the first limiting groove 211. The connecting shell body 220, the button 230 and the upper shell body 210 are sequentially arranged on the lower shell body 110 and are fixed by clamping or gluing between the upper shell body 210 and the lower shell body 110, so that the connecting shell body 220 and the button 230 are fixed between the upper shell body 210 and the lower shell body 110.

[0035] In the above scheme, the button 230 is pressed and connected to the circuit module 120 through the connecting shell body 220. When the button 230 is pressed, the force can be buffered through the connecting shell body 220 to avoid damage to the circuit module 120 caused by repeated pressing of the button 230.

[0036] Embodiment 2:

[0037] The embodiment is based on the first embodiment of the hearing aid structure of embodiment 1, and in the embodiment, the lower shell assembly 100 and the upper shell assembly 200 are further defined. Please refer to the accompanying drawings. Figures 1-3 .

[0038] In some implementations, the connecting shell 220 is a silica gel structure or a rubber structure. In the implementation, the connecting shell 220 can be integrally formed in an injection molding module by using silica gel material or rubber material. By further setting the connecting shell 220 as a silica gel structure or a rubber structure, the connecting shell 220 provides a buffering and damping effect for the circuit module 120 when the button 230 is pressed to connect with the circuit module 120 through the connecting shell 220, further protecting the circuit module 120. At the same time, the connecting shell 220 can be arranged on the upper end of the lower shell 110, thereby avoiding dust from leaking into the circuit module 120 from the gap between the button 230 and the upper shell 210 when the button 230 is pressed down, to protect the structure of the circuit module 120.

[0039] In some implementations, the button 230 is a convex structure with a narrow upper end and a wide lower end, and the lower end of the button 230 is provided with a slot 231 and a first abutting column 232. In the implementation, the button 230 is set as a convex structure with a narrow upper end and a wide lower end, so that the upper end of the button 230 can be arranged to protrude from the first limiting slot 211 of the upper shell 210, and the lower end of the button 230 is clamped and limited in the first limiting slot 211; in a specific example, the height of the button 230 protruding from the first limiting slot 211 can be greater than or equal to the travel range of the conductive switch 121 of the circuit module 120.

[0040] In some implementations, the upper surface of the button 230 is provided with concave-convex lines. In the implementation, the button 230 can be arranged to have a larger contact surface, as shown in the drawings, and the concave-convex lines arranged on the button 230 can enable the user wearing the hearing aid to quickly touch and identify the button 230, facilitating operation. At the same time, the first limiting slot 211 of the upper shell 210 can be provided with a groove or a flat surface, so that the upper end of the button 230 protrudes from the surface of the upper shell 210, further facilitating identification and operation of the button 230.

[0041] In some implementations, the first mounting position 221 includes a first recess 222 and a first protrusion 223 arranged in the middle of the first recess 222, and the lower end of the key 230 is arranged in the first recess 222 and the slot 231 is sleeved on the first protrusion 223. In the present implementation, the key 230 is a convex structure with one side opening and is provided with a slot 231 at the opening, wherein the lower end of the key 230 is arranged in the first recess 222 and the slot 231 is sleeved on the first protrusion 223; the key 230 can be supported by the connecting shell 220, and the first mounting position 221 can be used to fix the key 230, and when the key 230 is stressed, the first protrusion 223 can be pressed down to make the lower end of the connecting shell 220 abut on the circuit module 120, so that the conductive switch 121 of the circuit module 120 is triggered.

[0042] In addition, the upper surface of the first protrusion 223 is provided with a first connecting groove 224, and the connecting shell 220 is further provided with a second protrusion 226, and the second protrusion 226 is located at the lower end of the first connecting groove 224; the second protrusion 226 is located above the conductive switch 121 of the circuit module 120, and when the key 230 is pressed, the second protrusion 226 is pressed on the conductive switch 121 to change the state of the circuit module 120. In the present implementation, the first abutting column 232 of the key 230 can pass through the first connecting groove 224 and abut on the second protrusion 226, and the first abutting column 232 can abut on the conductive switch 121 of the circuit module 120 through the second protrusion 226; when the key 230 is pressed, the second protrusion 226 is pressed on the conductive switch 121 to change the state of the circuit module 120. It should be noted that the state of the circuit module 120 can be a switch state, a hearing aid mode state or a volume state. The key 230 can realize various switch modes according to the stress size and duration, so as to change various states of the circuit module 120.

[0043] In some implementations, the inner side of the slot 231 of the key 230 is provided with a first limiting piece 233, and the first protrusion 223 is provided with a second limiting piece 225 matched with the first limiting piece 233. In the present embodiment, the first limiting piece 233 can be a clamping column, and the second limiting piece 225 can be a clamping groove, and the first limiting piece 233 is clamped into the second limiting piece 225, so that the key 230 is positioned in the connecting shell 220, which not only facilitates the installation of the hearing aid during the hearing aid assembly stage, but also can avoid the rotation of the key 230 along the first protrusion after the hearing aid is installed, thereby improving the consistency of the hearing aid.

[0044] In some implementations, the lower shell 110 is provided with a convex edge at the upper end, and the convex edge is provided with a clamping groove 111; the upper shell 210 is provided with a buckle 212 at the lower end, and the upper shell 210 is fixed on the lower shell 110 by clamping the buckle 212 in the clamping groove 111. In this implementation, the upper shell 210 can be fixedly connected with the lower shell 110 through the buckle 212 and the clamping groove 111, so as to realize the fixed arrangement of the upper shell assembly 200 and the lower shell assembly 100. In addition, the upper shell 210 and the lower shell 110 can also be fixedly connected by adhesion. The buckle 212 of the upper shell 210 can be a reverse buckle or a clamping column, and the clamping groove 111 of the lower shell 110 can be a reverse buckle or a clamping column in the opposite direction of the buckle 212. The upper shell 210 and the lower shell 110 are connected through clamping.

[0045] In some implementations, the lower shell 110 is provided with a guide groove, the connecting shell 220 is provided with a guide hole 228, and the upper shell 210 is provided with a guide column 213. The guide column 213 is limited in the guide groove by passing through the guide hole 228. In this implementation, by providing the lower shell 110 with a guide groove, the connecting shell 220 with a guide hole 228, and the upper shell 210 with a guide column 213, the connecting shell 220 and the upper shell 210 can be positioned. By limiting the guide column 213 in the guide groove by passing through the guide hole 228, the connecting shell 220 can be installed between the upper shell 210 and the lower shell 110.

[0046] In addition, the upper shell 210 can also be provided with a first sound pickup hole 214, and the connecting shell 220 can be provided with a second sound pickup hole 227. The first sound pickup hole 214 and the second sound pickup hole 227 are in communication with the sound pickup microphone in the circuit module 120. A dustproof screen can be arranged at the first sound pickup hole 214.

[0047] The hearing aid structure provided by the utility model comprises a lower shell assembly 100 and an upper shell assembly 200. The upper shell assembly 200 is provided with an upper shell 210, a connecting shell 220 and a button 230, so that the button 230 is connected with the circuit module 120 through the connecting shell 220. When the button 230 is pressed, the force can be buffered through the connecting shell 220, so as to avoid damage to the circuit module 120 caused by repeated pressing of the button 230. At the same time, the connecting shell 220 can be further provided in a silica gel structure or a rubber structure, so that the connecting shell 220 provides a buffering and damping effect for the circuit module 120, and the circuit module 120 is further protected. In addition, the connecting shell 220 can be arranged on the upper end of the lower shell 110, so that when the button 230 is pressed, dust cannot leak into the circuit module 120 from the gap between the button 230 and the upper shell 210, and the structure of the circuit module 120 is protected.

[0048] Embodiment 3:

[0049] Please refer to the drawingsFigure 4 The utility model discloses a first embodiment of hearing aid structure, specifically includes lower shell subassembly 100 and upper shell subassembly 200, and lower shell subassembly 100 includes lower shell body 110 and the circuit module 120 of setting in lower shell body 110 inside, the circuit module 120 is used for playing the amplification of picking up sound source, upper shell subassembly 200 with lower shell subassembly 100 fixed connection, the upper shell subassembly 200 includes upper shell body 210, connecting shell 220 and button 230, the connecting shell 220 is provided with first mounting site 221, the upper shell body 210 is provided with first limit slot 211, button 230 lower end sets on first mounting site 221 and button 230 upper end limit setting is in first limit slot 211, wherein, button 230 is pressed and connected through connecting shell 220 with the circuit module 120. In addition, the utility model further limits the sound guide pipe 130.

[0050] In some implementations, the lower shell body 110 has a sound guide pipe 130, and the sound guide pipe 130 at least includes a main pipe 131, a first connecting portion 132, a second connecting portion 133, and a third connecting portion 134 connected in sequence. The main pipe 131 is connected with the lower shell body 110, and the third connecting portion 134 can extend into the human ear for audio playback. In this implementation, the main pipe 131, the first connecting portion 132, the second connecting portion 133, and the third connecting portion 134 can be provided with multiple segments, which can make the third connecting portion 134 deeper into the human ear to improve the hearing aid effect. In addition, the utility model is not limited to the number of connecting portions, and different numbers of connecting portions are within the protection scope of the present application.

[0051] In some implementations, the main pipe 131, the first connecting portion 132, the second connecting portion 133, and the third connecting portion 134 are cavity structures in communication. The volumes of the cavity structures of the main pipe 131, the first connecting portion 132, the second connecting portion 133, and the third connecting portion 134 can be different. This implementation can increase the audio level by changing the cavity structure of the main pipe 131, the first connecting portion 132, the second connecting portion 133, and the third connecting portion 134, and further improve the hearing aid experience.

[0052] In the utility model, unless another definite provision and limitation, the terms "mounting", "connection", "connecting", "fixing" and other terms should be understood broadly, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or interaction relationship of two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0053] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0054] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0055] In the utility model, unless otherwise explicitly specified and limited, the first feature above or below the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature therebetween. Moreover, the first feature above, above and above the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature below, below and below the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0056] Although the description of the utility model is combined with the above specific embodiments, it is obvious that persons skilled in the art can make many substitutions, modifications and changes according to the above content. Therefore, all such alternatives, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A hearing aid structure, characterized by The utility model relates to a portable audio amplifier, which comprises a lower shell assembly (100) and an upper shell assembly (200). The lower shell assembly (100) comprises a lower shell (110) and a circuit module (120) arranged inside the lower shell (110), and the circuit module (120) is used for amplifying and playing a picked-up sound source. The upper shell assembly (200) is fixedly connected with the lower shell assembly (100) and comprises an upper shell (210), a connecting shell (220) and a key (230). The key (230) is press-connected with the circuit module (120) through the connecting shell (220).

2. The hearing aid structure of claim 1, wherein The connecting shell (220) is made of silica gel or rubber.

3. The hearing aid structure of claim 2, wherein, The key (230) is in the form of a convex platform with a narrow upper part and a wide lower part.

4. The hearing aid structure according to claim 3, characterized in that The lower end of the key (230) is provided with a slot (231), and the lower end of the key (230) is provided with a first abutting column (232).

5. The hearing aid structure of claim 3, wherein, The upper surface of the key (230) is provided with concave-convex lines.

6. The hearing aid structure of claim 5, wherein, The first mounting position (221) comprises a first groove (222) and a first protrusion (223) arranged in the middle of the first groove (222).

7. The hearing aid structure of claim 6, wherein The lower end of the key (230) is abutted in the first groove (222), and the slot (231) is sleeved on the first protrusion (223).

8. The hearing aid structure of claim 1, wherein The upper surface of the first protrusion (223) is provided with a first connecting groove (224), and the connecting shell (220) is further provided with a second protrusion (226) located at the lower end of the first connecting groove (224).

9. The hearing aid structure of claim 8, wherein, The second protrusion (226) is located above a conductive switch (121) of the circuit module (120) and is pressed on the conductive switch (121) when the key (230) is pressed down under stress to change the state of the circuit module (120). The inner side of the slot (231) of the key (230) is provided with a first limiting piece (233), and the first protrusion (223) is provided with a second limiting piece (225) cooperating with the first limiting piece (233) to limit. The upper end of the lower shell (110) is provided with a convex edge, and the convex edge is provided with a clamping groove (111). The lower end of the upper shell (210) is provided with a buckle (212), and the upper shell (210) is clamped in the clamping groove (111) through the buckle (212) to be fixed on the lower shell (110). The lower shell (110) is provided with a guide groove, the connecting shell (220) is provided with a guide hole (228), and the upper shell (210) is provided with a guide column (213) penetrating through the guide hole (228) and being limited in the guide groove.

10. The hearing aid structure of claim 1, wherein, The lower shell (110) has a sound guide pipe (130), and the sound guide pipe (130) at least comprises a main pipe (131), a first connecting part (132), a second connecting part (133) and a third connecting part (134) connected in sequence, the main pipe (131) is arranged in connection with the lower shell (110), and the third connecting part (134) can extend into the inside of the ear for audio playing.

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