Wiring structure for acoustic component

Abstract

The utility model relates to a wiring structure for an acoustic assembly. The telephone receiver mainly comprises a shell and a telephone receiver arranged in the shell, the telephone receiver is connected with a connecting line, one end of the connecting line is provided with a plug, the plug comprises a shell, a PCB is arranged in the shell, one end of the PCB extends out of the shell to form a plugging part, the thickness of the plugging part is 0.2-0.8 mm, the width of the plugging part is 1-3 mm, and the plug is connected with the connecting line. The PCB is provided with a plurality of PINs, the connecting line is respectively connected with the PINs, the housing is provided with a clamping structure, the length of the connecting line exposed between the housing and the plug is 4-6 cm, and the overall diameter of the connecting line is 0.9-1.8 mm. The plug of the wiring structure is small in overall size and can transmit multiple paths of signals.

Description

Technical Field

[0001] The utility model relates to the field of hearing aid manufacturing, in particular to a wiring structure for acoustic components. Background Art

[0002] A hearing aid generally includes a controller and a receiver assembly. The receiver assembly generally includes a housing and a receiver disposed in the housing. The receiver is used to emit sound. A connecting line is generally provided between the receiver and the controller. A plug is provided at the end of the connecting line, and the plug is connected to a socket on the controller.

[0003] Existing plugs are generally only equipped with 2 or 3 columnar insertion pins. However, as the demand continues to increase, the existing receiver components need to have more and more functions, and more and more electronic components are used, which requires more insertion pins to transmit signals. However, this arrangement of insertion pins requires a large gap between the pins, which results in a larger overall size of the plug if there are too many insertion pins, which will lead to a larger size of the socket, and thus a larger overall size of the hearing aid. Moreover, a hearing aid that is too large is not convenient for users to wear.

[0004] For example, Chinese patent CN201821318438.4 discloses an easy-to-use receiver, including a main body, a mounting mechanism at one end of the main body, and a fixing mechanism at the other end of the main body, the mounting mechanism includes a plug sleeve, the inner surface of the plug sleeve is wrapped around the main body, and the outer surface of the plug sleeve is nested and connected with a rotary cylinder, through which the receiver can be directly screwed and connected to the inner side of the end of the hearing aid, the main body includes a plug, one end of the plug is sleeved with one end of the transmission line, and the other end of the transmission line is sleeved with a plug, and an integrated probe is provided at the end of the plug, and the outer side of the probe is screwed and connected to the hearing aid through the mounting mechanism. The plug used in the above-mentioned hearing aid module has the above-mentioned problem. Utility Model Content

[0005] Based on this, a wiring structure for an acoustic component is provided, wherein the plug of the wiring structure has a small overall size and can transmit multi-channel signals.

[0006] A wiring structure for an acoustic component comprises a shell and a receiver arranged in the shell, wherein the receiver is connected to a connecting wire, one end of the connecting wire is provided with a plug, the plug comprises a shell, a PCB board is arranged in the shell, one end of the PCB board extends to the outside of the shell to form a plug-in portion, the thickness of the plug-in portion is 0.2-0.8 mm, the width of the plug-in portion is 1-3 mm, a plurality of PIN pins are arranged on the PCB board, the connecting wire is connected to each PIN pin respectively, a clamping structure is arranged on the shell, the length of the connecting wire exposed between the shell and the plug is 4-6 cm, and the overall diameter of the connecting wire is 0.9-1.8 mm.

[0007] In one of the embodiments, an annular groove is provided on the housing, a sealing ring is provided in the annular groove, and the clamping structure is provided on a side of the sealing ring facing the plug-in portion.

[0008] In one of the embodiments, chamfered structures are respectively provided on both sides of the end of the plug-in portion, the number of the PIN pins is at least 6, and the PIN pins are respectively provided on both sides of the PCB board.

[0009] In one embodiment, it also includes a socket for being set on the controller, the socket includes a guide portion and an electrical connection portion, the guide portion is provided with a receiving hole, a locking structure is provided in the receiving hole, the locking structure is used to cooperate with the clamping structure on the shell of the plug to clamp and fix a part of the shell in the receiving hole, and the electrical connection portion is used to electrically connect with the plug-in portion of the PCB board.

[0010] In one embodiment, the locking structure includes a plurality of slots, and the locking structure includes a plurality of protrusions.

[0011] In one embodiment, the electrical connection portion includes a mounting frame, a socket is provided on the mounting frame, and a plurality of strip-shaped metal contacts are provided on both sides of the socket, one end of the strip-shaped metal contact is located outside the mounting frame, and the other end of the strip-shaped metal contact is located inside the socket and is provided with an arc-shaped protrusion, and the mounting frame is also provided with a limiting groove for fixing the strip-shaped metal contact.

[0012] In one of the embodiments, a sealing portion is provided at one end of the housing away from the plug-in portion, and the sealing portion is used to abut against the end surface of the socket and close the receiving hole of the socket.

[0013] In one of the embodiments, the connection between the connecting wire and the PCB board is wrapped inside the glue layer.

[0014] In one embodiment, the receiver is a moving iron receiver.

[0015] In one of the embodiments, at least two moving iron receivers are disposed in the housing, namely a first moving iron receiver and a second moving iron receiver. The frequency range of the sound sent by the first moving iron receiver is different from the frequency range of the sound sent by the second moving iron receiver.

[0016] In one of the embodiments, at least one moving iron receiver and at least one functional module are disposed in the housing.

[0017] The beneficial effects of this application are:

[0018] The plug of the present application does not use a columnar pin structure, but uses a PCB board. One end of the PCB board extends to the outside of the shell to form a plug-in portion. A plurality of PIN pins are provided on the PCB board, and the connecting wires are respectively connected to each PIN pin. Moreover, the thickness of the plug-in portion is 0.2-0.8mm, and the width of the plug-in portion is 1-3mm. With the above structure, the overall size of the plug is small and can transmit multi-channel signals. The number of PIN pins on the PCB board can be set according to actual needs to meet different expansion needs. Moreover, the present application is provided with a snap-in structure on the shell to facilitate the fixing of the plug.

[0019] The present application provides an annular groove on the housing, a sealing ring is provided in the annular groove, and the clamping structure is provided on the side of the sealing ring facing the plug-in portion. The sealing ring can effectively seal the connection between the plug and the socket to prevent foreign matter from entering the controller where the socket is located.

[0020] Furthermore, a sealing portion is provided at one end of the housing away from the plug-in portion, and the sealing portion is used to abut against the end surface of the socket and seal the receiving hole of the socket. Since the receiving hole of the socket is blocked, foreign matter can be further prevented from entering. Moreover, the abutment of the sealing portion against the end surface of the socket can ensure that the plug is properly plugged in. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of a wiring structure for an acoustic component according to an embodiment of the present application.

[0022] Figure 2 It is a three-dimensional diagram of a plug according to an embodiment of the present application.

[0023] Figure 3 It is a side view of a plug according to an embodiment of the present application.

[0024] Figure 4 A schematic diagram of a socket according to an embodiment of the present application.

[0025] Figure 5 It is a schematic diagram of the electrical connection portion of the socket according to an embodiment of the present application.

[0026] Figure 6This is a schematic diagram of a plug according to an embodiment of the present application being inserted into a socket.

[0027] in:

[0028] 201, housing; 202, receiver; 203, connecting wire;

[0029] 100, plug; 101, PCB board; 102, PIN pin; 103, chamfer structure; 104, housing; 105, snap-fit ​​structure; 106, sealing ring; 107, sealing part;

[0030] 300, socket; 301, guide portion; 302, electrical connection portion; 303, receiving hole; 304, locking structure; 305, strip-shaped metal contact piece; 306, arc-shaped protrusion; 307, socket. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0032] like Figures 1 to 3 As shown, the embodiment of the present application provides a wiring structure for an acoustic component, which includes a housing 201 and a receiver 202 disposed in the housing 201, and the receiver 202 is connected to a connecting line 203. It is understandable that if other components are also disposed in the housing 201, such as a microphone module, these components are also connected to the connecting line 203. A plug 100 is disposed at one end of the connecting line 203, and the plug 100 includes a housing 104, and a PCB board 101 is disposed in the housing 104, and one end of the PCB board 101 extends out of the housing 104 to form a plug-in portion, the thickness of the plug-in portion is 0.2-0.8 mm, and the width of the plug-in portion is 1-3 mm. A plurality of PIN pins 102 are disposed on the PCB board 101, for example, there may be 4 PIN pins 102, 6 PIN pins 102, 8 PIN pins 102, 10 PIN pins 102, etc. The connecting wire 203 is connected to each PIN pin 102 respectively, and a snap-on structure 105 is provided on the housing 104. The length of the connecting wire 203 exposed between the housing 201 and the plug 100 is 4-6 cm, and the overall diameter of the connecting wire 203 is 0.9-1.8 mm.

[0033] Specifically, the connection line 203 may include a plurality of sub-lines, each of which is connected to a PIN pin 102. The plug portion of the plug 100 is used to be inserted into the socket 300.

[0034] In one embodiment, if Figures 4 to 6As shown, the present application also includes a socket 300 for being set on the controller, the socket 300 includes a guide portion 301 and an electrical connection portion 302, the guide portion 301 is provided with a receiving hole 303, a locking structure 304 is provided in the receiving hole 303, the locking structure 304 is used to cooperate with the clamping structure 105 on the shell 104 of the plug 100 to clamp and fix a part of the shell 104 in the receiving hole 303, and the electrical connection portion 302 is used to electrically connect with the plug-in portion of the PCB board 101.

[0035] Specifically, after the housing 104 of the plug 100 extends into the receiving hole 303, the clamping structure 105 cooperates with the locking structure 304 to achieve positioning of the housing 104. The plug-in portion of the plug 100 is inserted into the electrical connection portion 302 of the socket 300 to achieve electrical connection. The socket 300 can be connected to a corresponding control circuit in the controller.

[0036] In one embodiment, the electrical connection portion 302 includes a mounting frame, on which a socket 307 is provided, the socket 307 is connected to the above-mentioned receiving hole 303, and a plurality of strip metal contacts 305 are respectively provided on both sides of the socket 307, one end of the strip metal contact 305 is located outside the mounting frame, and the other end of the strip metal contact 305 is located inside the socket 307 and is provided with an arc-shaped protrusion 306, and the mounting frame is also provided with a limiting groove for fixing the strip metal contact 305.

[0037] Specifically, the arc-shaped protrusion 306 can play a role in positioning the plug-in portion of the plug 100. One end of the strip-shaped metal contact 305 is located outside the mounting frame, and the end is used to connect to the corresponding control circuit of the controller. One end of the strip-shaped metal contact 305 located in the jack 307 is used to connect to the plug-in portion of the plug 100.

[0038] In one embodiment, an annular groove is provided on the housing 104 , a sealing ring 106 is provided in the annular groove, and the clamping structure 105 is provided on a side of the sealing ring 106 facing the plug-in portion.

[0039] Specifically, a sealing ring 106 is provided on the shell 104 of the plug 100 , so that when the shell 104 of the plug 100 is located in the receiving hole 303 of the socket 300 , the sealing ring 106 cooperates with the inner wall of the receiving hole 303 to prevent foreign matter from entering the controller through the receiving hole 303 .

[0040] In one embodiment, chamfer structures 103 are respectively provided on both sides of the end of the plug-in portion, the number of the PIN pins 102 is at least 6, and the PIN pins 102 are respectively provided on both sides of the PCB board 101. For example, 4 PIN pins 102 are provided on one side of the PCB board 101, and 4 PIN pins 102 are provided on the other side.

[0041] Specifically, the chamfered structure 103 is conducive to the smooth plugging of the plugging portion of the plug 100 with the socket 300.

[0042] In one embodiment, the clamping structure 105 includes a plurality of clamping slots, and the locking structure 304 includes a plurality of protrusions. After the protrusions are inserted into the corresponding clamping slots, the plug 100 and the socket 300 can be clamped. For example, three clamping slots are arranged along the circumference of the plug 100, and three protrusions are arranged in the receiving hole 303 of the socket 300 accordingly.

[0043] In one embodiment, a sealing portion 107 is provided at one end of the shell 104 away from the plug-in portion. The size of the sealing portion 107 is larger than that of other parts of the shell 104. The sealing portion 107 is used to abut against the end face of the socket 300 and close the receiving hole 303 of the socket 300.

[0044] Specifically, with the above structure, after the end surface of the sealing portion 107 abuts against the end surface of the socket 300, the receiving hole 303 of the socket 300 is blocked by the sealing portion 107, which can further prevent foreign matter from entering. Moreover, the abutment between the sealing portion 107 and the end surface of the socket 300 can ensure that the plug 100 is plugged in place.

[0045] In one embodiment, the connection between the connecting wire 203 and the PCB board 101 is wrapped inside the adhesive layer. Specifically, the connection between the connecting wire 203 and the PCB board 101 is wrapped by the adhesive layer, which is conducive to protecting the connection.

[0046] In one embodiment, the receiver 202 is a moving iron receiver. The moving iron receiver is an existing receiver 202 .

[0047] In one embodiment, at least two moving iron receivers are disposed in the housing 201, namely a first moving iron receiver and a second moving iron receiver, and the frequency range of the sound sent by the first moving iron receiver is different from the frequency range of the sound sent by the second moving iron receiver. For example, the first moving iron receiver is used to send medium and low frequency sounds, and the second moving iron receiver is used to send high frequency sounds.

[0048] In one embodiment, at least one moving iron receiver and at least one functional module are disposed in the housing 201. The functional module may be a microphone module, etc. Specifically, a corresponding number of PIN pins 102 may be disposed on the plug 100 to transmit signals for the receiver 202 and the functional module.

[0049] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A wiring structure for an acoustic component, comprising a housing and a receiver disposed in the housing, wherein the receiver is connected to a connecting line, and a plug is disposed at one end of the connecting line, wherein: The plug includes a shell, a PCB board is arranged in the shell, one end of the PCB board extends to the outside of the shell to form a plug-in portion, the thickness of the plug-in portion is 0.2-0.8mm, the width of the plug-in portion is 1-3mm, a plurality of PIN pins are arranged on the PCB board, the connecting wire is connected to each PIN pin respectively, a clamping structure is arranged on the shell, the length of the connecting wire exposed between the shell and the plug is 4-6cm, and the overall diameter of the connecting wire is 0.9-1.8mm.

2. The wiring structure for an acoustic component according to claim 1, characterized in that: The housing is provided with an annular groove, a sealing ring is provided in the annular groove, and the clamping structure is provided on a side of the sealing ring facing the plug-in portion.

3. The wiring structure for an acoustic component according to claim 1, characterized in that: Chamfered structures are respectively arranged on both sides of the end of the plug-in portion, the number of the PIN pins is at least 6, and the PIN pins are respectively arranged on both sides of the PCB board.

4. The wiring structure for an acoustic component according to claim 1, characterized in that: It also includes a socket for being arranged on the controller, the socket includes a guide portion and an electrical connection portion, the guide portion is provided with a receiving hole, a locking structure is provided in the receiving hole, the locking structure is used to cooperate with the clamping structure on the shell of the plug to clamp and fix a part of the shell in the receiving hole, and the electrical connection portion is used to electrically connect with the plug-in portion of the PCB board.

5. The wiring structure for an acoustic component according to claim 4, characterized in that: The clamping structure includes a plurality of clamping slots, and the locking structure includes a plurality of protrusions.

6. The wiring structure for an acoustic component according to claim 4, characterized in that: The electrical connection part includes a mounting frame, a socket is provided on the mounting frame, and a plurality of strip-shaped metal contacts are respectively provided on both sides of the socket, one end of the strip-shaped metal contact is located outside the mounting frame, and the other end of the strip-shaped metal contact is located inside the socket and is provided with an arc-shaped protrusion, and the mounting frame is also provided with a limiting groove for fixing the strip-shaped metal contact.

7. The wiring structure for an acoustic component according to claim 4, characterized in that: A sealing portion is arranged at one end of the shell away from the plug-in portion, and the sealing portion is used to abut against the end surface of the socket and close the receiving hole of the socket.

8. The wiring structure for an acoustic component according to claim 1, characterized in that: The connection between the connecting wire and the PCB board is wrapped inside the glue layer.

9. The wiring structure for an acoustic component according to claim 1, characterized in that: The receiver is a moving iron receiver.

10. The wiring structure for an acoustic component according to claim 9, characterized in that: At least one moving iron receiver and at least one functional module are arranged in the shell.

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