Receiver of hearing aid

Abstract

The utility model relates to the technical field of hearing aids, in particular to a receiver of a hearing aid, which comprises a shell, a receiver, a mounting seat, a cable and a plurality of connecting pieces, a mounting cavity is arranged in the shell, the receiver, the mounting seat and the connecting pieces are all arranged in the mounting cavity, the mounting seat is used for fixing the connecting pieces, and the connecting pieces are positioned between the receiver and the mounting seat. Mounting grooves used for containing the connecting pieces are formed in the mounting base, the mounting grooves and the connecting pieces are in one-to-one correspondence, the connecting pieces are arranged in the corresponding mounting grooves, the head ends of the connecting pieces make contact with the connecting end of the receiver, the cable penetrates through the shell and makes contact with the tail ends of the connecting pieces, and the connecting pieces are arranged in the receiver so that the cable and the receiver can be connected in a transition mode. The welding spot failure risk during direct connection between the cable and the receiver is eliminated, and the assembly reject ratio is reduced; and the cost is reduced, the consumption of solder paste consumables is reduced, signals are optimized, and the contact impedance stability is improved.

Description

A receiver for a hearing aid Technical Field

[0001] This utility model relates to the field of hearing aid technology, and in particular to a receiver for a hearing aid. Background Technology

[0002] The hearing aid receiver (also known as a speaker) is the core output component of a hearing aid, responsible for converting amplified electrical signals into sound signals, directly determining the sound quality and clarity heard by the user. In traditional hearing aid receiver assembly processes, the cable is fixed to the receiver terminals using soldering. This process has the following drawbacks: solder joints are prone to cold solder joints and poor soldering, leading to a high product defect rate; poor soldering necessitates the scrapping of the entire acoustic module. Summary of the Invention

[0003] The technical problem to be solved by this utility model is: in order to overcome the problem that in the existing hearing aid receiver assembly process, the cable and receiver terminal need to be fixed by soldering, and the solder joint is prone to poor soldering and cold soldering, resulting in a high product defect rate, a hearing aid receiver is provided.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a receiver for a hearing aid includes a shell, a receiver, a mounting base, a cable, and several connectors. The shell has a mounting cavity, in which the receiver, mounting base, and connectors are all arranged. The mounting base is used to fix the connectors, and the connectors are located between the receiver and the mounting base. The mounting base has a mounting groove for accommodating the connectors. The mounting grooves and connectors are paired one-to-one. The connectors are arranged in their corresponding mounting grooves, with the first end of the connector contacting the connection end of the receiver. The cable passes through the shell and contacts the last end of the connector. By arranging the connectors inside the receiver, the cable and the hearing aid are connected in a transitional manner, eliminating the risk of solder joint failure when directly connecting the cable and the hearing aid, reducing the assembly defect rate; reducing costs: reducing the use of solder paste, optimizing the signal, and improving the stability of contact impedance.

[0005] To address the issues of inconvenience and low efficiency in installing the receiver inside the housing, the housing further includes an upper housing and a lower housing that matches the upper housing. The lower housing has a fitting groove at its front end, and the upper housing has a fitting block at its rear end that matches the fitting groove. The fitting block is arranged inside the fitting groove.

[0006] To address the issue of low sealing between the upper and lower housings, a sealing ring is further provided between the fitting groove and the fitting block.

[0007] To address the issue of unstable connections between cables and connectors, a further step is to weld the ends of the cables and connectors together.

[0008] The connecting element is a leaf spring.

[0009] Furthermore, both the outer casing and the mounting base are made of plastic.

[0010] The beneficial effects of this utility model are as follows: The receiver of the hearing aid provided by this utility model, by arranging a connector inside the receiver to transition between the cable and the hearing aid, eliminates the risk of solder joint failure when the cable and the hearing aid are directly connected, and reduces the assembly defect rate; cost reduction: reduces the use of solder paste consumables, optimizes the signal, and improves the stability of contact impedance; through structural innovation, the product assembly process is greatly simplified, resulting in reduced assembly costs, improved yield and efficiency, and better realization of automated production. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 is a structural schematic diagram of this utility model;

[0013] Figure 2 is a cross-sectional view of the present invention at point AA in Figure 1.

[0014] Figure 3 is a partially enlarged structural schematic diagram of the present invention as shown in Figure 2;

[0015] Figure 4 is a schematic diagram of the exploded structure of this utility model;

[0016] Figure 5 is a partially enlarged structural schematic diagram of the present invention as shown in Figure 4.

[0017] In the diagram: 1. Outer shell, 11. Mounting cavity, 12. Upper shell, 121. Fitting block, 13. Lower shell, 131. Fitting groove, 2. Receiver, 3. Mounting base, 4. Cable, 5. Connector, 6. Sealing ring. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0019] Figure 1 is a schematic diagram of the structure of this utility model. A receiver for a hearing aid includes a housing 1, a receiver 2, a mounting base 3, a cable 4, and several connectors 5. The housing 1 has a mounting cavity 11, in which the receiver 2, the mounting base 3, and the connectors 5 are all arranged. The mounting base 3 is used to fix the connectors 5, which are located between the receiver 2 and the mounting base 3. The mounting base 3 has a mounting groove for accommodating the connectors 5, and the mounting groove and the connector 5 are paired one-to-one. The connector 5 is arranged in its corresponding mounting groove, with the first end of the connector 5 contacting the connection end of the receiver 2. The cable 4 passes through the housing 1 and contacts the tail end of the connector 5. By arranging the connectors 5 inside the receiver, the cable and the receiver are connected in a transitional manner, eliminating the risk of solder joint failure when the cable and the receiver are directly connected, reducing the assembly defect rate; reducing costs: reducing the use of solder paste, optimizing the signal, and improving the stability of contact impedance. Through structural innovation, the product assembly process is greatly simplified, resulting in reduced assembly costs, improved yield and efficiency, and better realization of automated production.

[0020] As shown in Figures 2, 3, and 5, the outer shell 1 includes an upper shell 12 and a lower shell 13 that matches the upper shell 12. The lower shell 13 has a fitting groove 131 at its front end, and the upper shell 12 has a fitting block 121 that matches the fitting groove 131 at its rear end. The fitting block 121 is arranged in the fitting groove 131. The glue application between the upper shell 12 and the lower shell 13 is eliminated, and the two plastic parts are laser welded, which reduces the assembly difficulty, cost, and defect rate.

[0021] As shown in Figures 2, 3, and 5, a sealing ring 6 is arranged between the fitting groove 131 and the fitting block 121.

[0022] The ends of cable 4 and connector 5 are welded together.

[0023] As shown in Figures 2, 3, and 5, the connector 5 is elastic, and its head end can abut against the connection end of the receiver 2. The connector 5 is a leaf spring. Furthermore, the distance between the receiver 2 and the bottom of the mounting groove on the mounting base 5 is less than the length of the connector 5. Through space constraints, the connector 5 and the receiver 2 are continuously connected under the action of elasticity. The leaf spring is made by etching or wire cutting. The leaf spring contacts the receiver 2, replacing the conventional soldering process of cables and receivers, so that there is no soldering process in the whole process, reducing the assembly difficulty and the defect rate. Due to space constraints, the width dimension W and the thickness dimension T of the leaf spring are very small (usually less than 0.3 mm).

[0024] Both the outer casing 1 and the mounting base 3 are made of plastic.

[0025] Working principle: The receiver 2 is placed inside the upper housing 12, the cable 4 is passed through the lower housing 13, the connector 5 is placed in the mounting groove of the mounting base 3, and then the cable 4 and the connector 5 are connected. The mounting base 3 is placed inside the lower housing 13, and the sealing ring 6 is placed in the fitting groove 131 of the lower housing 12. The upper housing 12 and the lower housing 13 are then closed and fitted together. The upper housing 12 and the lower housing 13 are laser welded together.

[0026] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A receiver for a hearing aid, characterized in that, The device includes a housing (1), a receiver (2), a mounting base (3), a cable (4), and several connectors (5). The housing (1) has a mounting cavity (11). The receiver (2), the mounting base (3), and the connectors (5) are all arranged in the mounting cavity (11). The mounting base (3) is used to fix the connectors (5). The connectors (5) are located between the receiver (2) and the mounting base (3). The mounting base (3) has a mounting groove for accommodating the connectors (5). The mounting grooves and connectors (5) are paired one-to-one. The connectors (5) are arranged in their corresponding mounting grooves. The first end of the connector (5) contacts the connection end of the receiver (2). The cable (4) passes through the housing (1) and contacts the tail end of the connector (5).

2. The receiver for a hearing aid as described in claim 1, characterized in that: The outer shell (1) includes an upper shell (12) and a lower shell (13) that matches the upper shell (12). The lower shell (13) has a fitting groove (131) at its front end, and the upper shell (12) has a fitting block (121) that matches the fitting groove (131) at its rear end. The fitting block (121) is arranged in the fitting groove (131).

3. The receiver for a hearing aid as described in claim 2, characterized in that: A sealing ring (6) is arranged between the fitting groove (131) and the fitting block (121).

4. The receiver for a hearing aid as described in claim 1, characterized in that: The cable (4) and the connector (5) are welded together at their ends.

5. A receiver for a hearing aid as defined in claim 1, characterized in that: The connecting component (5) is a leaf spring.

6. A receiver for a hearing aid as defined in claim 1, characterized in that: The outer shell (1) and the mounting base (3) are both made of plastic.

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