Earphone

Abstract

The utility model relates to the technical field of earphones, in particular to an earphone. The earphone comprises a shell, a sound cavity is formed in the shell, and an inner support, a battery and a sounding module are arranged in the sound cavity. One end of the shell is provided with a sound outlet, the sound production module is arranged on the shell close to the sound outlet, the sound production module and the shell are hermetically connected at one side of the sound outlet to form a front cavity, and the shell is provided with a front pressure relief hole communicated with the front cavity. In an area where the sound cavity deviates from the front cavity, the inner bracket is mounted on the shell, and the battery is mounted on one side, deviating from the sound production module, of the inner bracket; the inner support, the sound producing module and the shell are connected in a sealed mode so that a rear cavity can be formed in part of the area of the sound cavity, and a rear pressure relief hole communicated with the rear cavity is formed in the shell. The space of the front cavity and the space of the rear cavity are both small, and the front cavity and the rear cavity are not communicated with the whole sound cavity, so that the communicated space of the front pressure relief hole and the rear pressure relief hole is small, pressure relief balance is good, and the sound quality of the earphone is good.

Description

Technical Field

[0001] The utility model relates to the technical field of earphones, in particular to an earphone. Background Art

[0002] A Bluetooth headset is a wireless headset device that uses Bluetooth technology to wirelessly connect to an audio source device (such as a mobile phone, tablet, computer, etc.) to achieve audio transmission and reception functions. The convenience of Bluetooth headsets is that they do not require traditional wired connections, allowing users to move more flexibly without being restricted by cables.

[0003] The speaker and battery of Bluetooth headsets are generally integrated into the sound cavity of the in-ear part. In the sound cavity, pressure relief holes need to be set in front and behind the speaker to relieve pressure, balance the sound and reduce discomfort when wearing. At present, the space where the front and rear pressure relief holes are located is large, or connected to other spaces in the sound cavity. The space where the front and rear pressure relief holes are connected is too large, and the sound quality of the headset is poor. Utility Model Content

[0004] The embodiment of the utility model provides an earphone to solve the problem in the prior art that the space connecting the front pressure relief hole and the rear pressure relief hole is too large and the sound quality of the earphone is poor.

[0005] The utility model discloses an earphone, comprising a shell, a sound cavity is formed in the shell, and an inner bracket, a battery and a sound module are arranged in the sound cavity;

[0006] A sound outlet is provided at one end of the shell, and the sound producing module is installed on the shell near the sound outlet and is sealed and connected with the shell at one side of the sound outlet to form a front cavity. A front pressure relief hole connected to the front cavity is provided on the shell;

[0007] In the area of ​​the sound cavity away from the front cavity, the inner bracket is installed on the shell, and the battery is installed on the side of the inner bracket away from the sound module; the inner bracket, the sound module and the shell are sealed and connected to form a rear cavity in part of the sound cavity, and a rear pressure relief hole connected to the rear cavity is opened on the shell.

[0008] Optionally, the shell includes a front shell and a rear shell, which are installed together to form a sound cavity; the sound outlet is opened at one end of the front shell, the front cavity and the rear cavity are formed on the front shell, and the front pressure relief hole and the rear pressure relief hole are opened on the front shell.

[0009] Optionally, on the front shell, a first supporting rib is provided on the periphery of the rear cavity, and the inner bracket is sealingly mounted on the first supporting rib.

[0010] Optionally, a second supporting rib is provided on the periphery of the front cavity, and the sound producing module is sealingly mounted on the second supporting rib.

[0011] Optionally, a side of the sound producing module facing away from the sound outlet is sealed with a side of the inner bracket facing away from the battery to form a rear cavity.

[0012] Optionally, an inner side surface of the second supporting rib is provided with an extended supporting rib that is flush with the height of the second supporting rib.

[0013] Optionally, a first notch is opened on the edge of one side of the inner bracket close to the pronunciation module, and the side of the pronunciation module close to the inner bracket is sealed in the first notch, and sealing protrusions are arranged on both sides of the first notch; the sealing protrusions are adapted to the peripheral edge of the side of the pronunciation module close to the inner bracket.

[0014] Optionally, on the side close to the rear cavity, the edge of the inner bracket on the side where the battery is installed is provided with a first peripheral edge; on the side away from the rear cavity, the edge of the inner bracket is not provided with a peripheral edge surrounding the battery.

[0015] Optionally, an outer side surface of the first peripheral edge is extended toward the sound module to form an outward expansion edge, a limiting installation rib is provided on the outer surface of the outward expansion edge, and a slot is correspondingly provided on the inner wall of the front shell, and the limiting installation rib is clamped in the slot.

[0016] Optionally, the outer side surface of the outwardly expanded edge is concavely provided with a wiring groove, and the earphone includes an FPC cable, and the FPC cable is arranged in the wiring groove.

[0017] Compared with the prior art, the beneficial effect of the earphone provided by the embodiment of the utility model is that the earphone of the utility model utilizes an inner bracket, a sound module and a shell arranged in the sound cavity, wherein the sound module and the shell are sealed and connected to form a front cavity connected to the front pressure relief hole in the sound cavity part near the sound outlet, and the inner bracket, the sound module and the shell are sealed and connected to form a rear cavity connected to the rear pressure relief hole in the sound cavity, and the front cavity and the rear cavity are both relatively independent sealed spaces, that is, the front cavity is an independent sealed space relative to the rear cavity and other spaces in the sound cavity, and the rear cavity is an independent sealed space relative to the front cavity and other spaces in the sound cavity, and the spaces of the front cavity and the rear cavity are relatively small and are not connected to the entire sound cavity. Therefore, the space connecting the front pressure relief hole and the rear pressure relief hole is smaller, the pressure relief balance is better, the sound quality of the earphone is better, and the user can obtain equivalent high-quality sound effects and have a better use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The technical solution of the utility model will be further described in detail below with reference to the accompanying drawings and embodiments, in which:

[0019] Figure 1 is a schematic diagram of an earphone according to an embodiment of the utility model;

[0020] Figure 2 is another schematic diagram of the earphone according to the embodiment of the utility model;

[0021] Figure 3 yes Figure 2 Cross-sectional view in the middle AA direction (battery hidden);

[0022] Figure 4 It is a schematic diagram of the front shell of the embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of a battery, an inner bracket and a sound module according to an embodiment of the utility model;

[0024] Figure 6 It is a schematic diagram of the inner bracket of the embodiment of the utility model;

[0025] Figure 7 It is another schematic diagram of the inner bracket in the embodiment of the utility model.

[0026] The reference numerals in the figures are:

[0027] 1. Shell; 11. Front shell; 111. Front cavity; 112. Front pressure relief hole; 113. Rear cavity; 114. Rear pressure relief hole; 115. Sound outlet; 116. First supporting rib; 117. Second supporting rib; 118. Extended supporting rib; 119. Slot; 12. Rear shell; 13. Sound cavity; 2. Inner bracket; 21. First notch; 22. Sealing bulge; 23. First surrounding edge; 24. Outward expansion edge; 241. Position-limiting mounting rib; 242. Wiring groove; 3. Battery; 4. Sound module; 5. FPC line; 6. Noise reduction microphone. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.

[0029] The present invention provides a headset, such as Figures 1 to 4 As shown, the earphone includes a shell 1, a sound cavity 13 is formed in the shell 1, and an inner bracket 2, a battery 3 and a sound module 4 are arranged in the sound cavity 13. A sound outlet 115 is arranged at one end of the shell 1, and the sound module 4 is installed on the shell 1 near the sound outlet 115, and is sealed and connected to the shell 1 on one side of the sound outlet 115 to form a front cavity 111, and a front pressure relief hole 112 connected to the front cavity 111 is opened on the shell 1.

[0030] In the area of ​​the sound cavity 13 away from the front cavity 111, the inner bracket 2 is installed on the shell 1, and the battery 3 is installed on the side of the inner bracket 2 away from the sound module 4; the inner bracket 2, the sound module 4 and the shell 1 are sealed and connected to form a rear cavity 113 in a partial area of ​​the sound cavity 13, and a rear pressure relief hole 114 connected to the rear cavity 113 is opened on the shell 1.

[0031] The earphone of the utility model utilizes an inner bracket 2 and a sound module 4 arranged in a sound cavity 13 in cooperation with a shell 1, wherein the sound module 4 and the shell 1 are sealed and connected to form a front cavity 111 connected to the front pressure relief hole 112 in the portion of the sound cavity 13 near the sound outlet 115, and the inner bracket 2, the sound module 4 and the shell 1 are sealed and connected to form a rear cavity 113 connected to the rear pressure relief hole 114 in the sound cavity 13, and the front cavity 111 and the rear cavity 113 are both relatively independent sealed spaces, that is, the front cavity 111 is an independent sealed space relative to the rear cavity 113 and other spaces in the sound cavity 13, and the rear cavity 113 is an independent sealed space relative to the front cavity 111 and other spaces in the sound cavity 13, and the spaces of the front cavity 111 and the rear cavity 113 are both relatively small and are not connected to the entire sound cavity 13. Therefore, the space connected to the front pressure relief hole 112 and the rear pressure relief hole 114 is smaller, the pressure relief balance is better, and the sound quality of the earphone is better.

[0032] In addition, the spaces of the front cavity 111 and the rear cavity 113 are relatively small, which can save the remaining space of the sound cavity 13. The remaining space can be used to assemble other accessories, such as providing assembly space for the battery 3 installed on the inner bracket 2, etc., which is conducive to improving the space utilization rate inside the earphone.

[0033] Specifically, the technical solution of the utility model is particularly suitable for ANC (Active Noise Cancellation) active noise reduction Bluetooth headsets. The gaps at the assembly of the inner bracket 2, the pronunciation module 4 and the shell 1 can be sealed by glue, so as to realize the sealed connection between the inner bracket 2, the pronunciation module 4 and the shell 1, and ensure the sealing of the rear cavity 113. Similarly, the gaps at the assembly of the pronunciation module 4 and the shell 1 can also be sealed by glue, so as to realize the sealed connection between the pronunciation module 4 and the shell 1, and ensure the sealing of the front cavity 111. The battery 3 is a rechargeable battery 3 for powering the headset, and the details are not repeated here.

[0034] The housing 1 includes a front housing 11 and a rear housing 12, and the front housing 11 and the rear housing 12 are installed together to form a sound cavity 13; a sound outlet 115 is provided at one end of the front housing 11, a front cavity 111 and a rear cavity 113 are formed on the front housing 11, and a front pressure relief hole 112 and a rear pressure relief hole 114 are provided on the front housing 11. The housing 1 composed of the front housing 11 and the rear housing 12 can conveniently form a sound cavity 13, thereby improving the convenience of assembling the earphone. The installation of the front housing 11 and the rear housing 12 together to form the sound cavity 13 provides good support for the internal components and facilitates subsequent assembly. The front cavity 111, the rear cavity 113, the front pressure relief hole 112 and the rear pressure relief hole 114 are all integrated on the front housing 11, which is convenient for centralized processing and improves space utilization, so that the internal space corresponding to the rear housing 12 part can be fully used to assemble other components.

[0035] like Figure 4As shown, on the front shell 11, a first supporting rib 116 is provided on the periphery of the rear cavity 113, and the inner bracket 2 is sealed and installed on the first supporting rib 116. The provision of the first supporting rib 116 increases the supporting points of the inner bracket 2 and improves the stability of the internal structure. Through this support design, the inner bracket 2 can be well fixed and supported in the rear cavity 113, reducing the shaking and loosening of the structure, which is conducive to maintaining the stable performance of the sound quality and ensuring the sealing of the space of the rear cavity 113. Specifically, the inner bracket 2 can be fixed on the first supporting rib 116 by glue, and at the same time, the glue can also achieve the sealing of the gap between the first supporting rib 116 and the inner bracket 2.

[0036] The periphery of the front cavity 111 is provided with a second supporting rib 117, and the pronunciation module 4 is sealed and mounted on the second supporting rib 117. By providing the second supporting rib 117 around the front cavity 111 and sealing the pronunciation module 4 on the second rib, the support of the pronunciation module 4 and the sealing of the front cavity 111 are achieved. Such a design improves the sealing of the front cavity 111, and can effectively prevent the shaking and loosening of the pronunciation module 4, thereby optimizing the sound quality performance and user experience. Specifically, the pronunciation module 4 can be fixed to the second supporting rib 117 by glue, and at the same time, the glue can also achieve the sealing of the gap between the second supporting rib 117 and the pronunciation module 4. Specifically, the pronunciation module 4 is a speaker.

[0037] The side of the sound module 4 facing away from the sound outlet 115 is sealed with the side of the inner bracket 2 facing away from the battery 3 to form a rear cavity 113. The side of the sound module 4 facing away from the sound outlet 115 is sealed with the side of the inner bracket 2 facing away from the battery 3, and the rear cavity 113 can be sealed while the sound module 4 is further fixed by the inner bracket 2. The sound module 4 and the inner bracket 2 can be sealed by glue. The sound generated by the sound module 4 is transmitted through the sound outlet 115.

[0038] The inner side surface of the second support rib 117 is provided with an extended support rib 118 which is flush with the second support rib 117. Further providing the extended support rib 118 which is flush with the second support rib 117 on the inner side surface of the second support rib 117 can increase the support area of ​​the top surface supported by the second support rib 117, and can form a more stable support for the sound module 4. Specifically, a plurality of extended support ribs 118 are provided at intervals on the inner side surface of the second support rib 117.

[0039] like Figures 5 to 7As shown, a first notch 21 is provided on the edge of one side of the inner bracket 2 close to the sound module 4, and the sound module 4 is sealed and connected to the first notch 21 on one side close to the inner bracket 2. Sealing protrusions 22 are provided on both sides of the first notch 21; the sealing protrusions 22 are matched with the peripheral edge of the sound module 4 close to the inner bracket 2. The setting of the first notch 21 facilitates the assembly between the sound module 4 and the inner bracket 2, and the setting of the sealing protrusions 22 can be matched with the peripheral edge of the sound module 4 close to the inner bracket 2, thereby improving the sealing performance of the rear cavity 113.

[0040] On the side close to the rear cavity 113, the inner bracket 2 is provided with a first peripheral edge 23 on the side where the battery 3 is installed; on the side away from the rear cavity 113, the inner bracket 2 is not provided with a peripheral edge surrounding the battery 3. In this solution, the inner bracket 2 is in a half-wrapped structure, and the battery 3 is installed in a half-wrapped manner. The first peripheral edge 23 can provide installation of the inner bracket 2 and sealing of the rear cavity 113. At the same time, no peripheral edge similar to the first peripheral edge 23 is provided on the opposite side of the inner bracket 2. For headphones with extremely small internal space, this can save space occupied by the peripheral edge on this side, facilitate the layout of other parts, and improve space utilization.

[0041] Furthermore, the outer side surface of the first peripheral edge 23 is extended toward the sound module 4 to be provided with an outward expansion edge 24, and a position-limiting installation convex rib 241 is provided on the outer surface of the outward expansion edge 24, and a clamping groove 119 is correspondingly provided on the inner wall of the front shell 11, and the position-limiting installation convex rib 241 is clamped in the clamping groove 119. The outward expansion edge 24 can facilitate the matching installation of the inner bracket 2 and the front shell 11, and the matching of the clamping groove 119 and the position-limiting installation convex rib 241 can improve the installation stability of the inner bracket 2. Specifically, a plurality of position-limiting installation convex ribs 241 and the clamping groove 119 are correspondingly provided.

[0042] The outer side surface of the outer expansion edge 24 is concavely provided with a wiring groove 242. The earphone includes an FPC line 5 (Flexible Printed Circuit), and the FPC line 5 is laid in the wiring groove 242. The arrangement of the wiring groove 242 facilitates the arrangement of the FPC line 5. The FPC line 5 is passed through the wiring groove 242 to the front cavity 111. The front shell 11 in the front cavity 111 is installed with a noise reduction microphone 6. The FPC line 5 is electrically connected to the noise reduction microphone 6. At the same time, the FPC line 5 is connected to a circuit board arranged in the rear shell 12.

[0043] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit it. For those skilled in the art, the technical solutions described in the above embodiments can be modified, or some of the technical features therein can be replaced by equivalents; and all these modifications and replacements should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A headset, characterized in that: It comprises a shell, a sound cavity is formed in the shell, and an inner bracket, a battery and a sound module are arranged in the sound cavity; A sound outlet is provided at one end of the shell, the sound producing module is installed on the shell near the sound outlet, and is sealedly connected to the shell to form a front cavity on one side of the sound outlet, and a front pressure relief hole communicating with the front cavity is provided on the shell; The inner bracket is installed on the shell in the area where the sound cavity is away from the front cavity, and the battery is installed on the side of the inner bracket away from the sound module; the inner bracket, the sound module and the shell are sealed and connected to form a rear cavity in a partial area of ​​the sound cavity, and a rear pressure relief hole connected to the rear cavity is opened on the shell.

2. The earphone according to claim 1, characterized in that The shell includes a front shell and a rear shell, and the front shell and the rear shell are installed together to form the sound cavity; the sound outlet is opened at one end of the front shell, the front cavity and the rear cavity are formed on the front shell, and the front pressure relief hole and the rear pressure relief hole are opened on the front shell.

3. The earphone according to claim 2, characterized in that On the front shell, a first supporting rib is arranged at the periphery of the rear cavity, and the inner bracket is sealingly mounted on the first supporting rib.

4. The earphone according to claim 3, characterized in that A second supporting convex rib is arranged on the periphery of the front cavity, and the sound producing module is sealingly mounted on the second supporting convex rib.

5. The earphone according to any one of claims 1 to 4, characterized in that: The side of the sound-generating module facing away from the sound outlet is sealed with the side of the inner bracket facing away from the battery to form the rear cavity.

6. The earphone according to claim 4, characterized in that An extended support rib that is flush with the height of the second support rib is disposed on the inner side surface of the second support rib.

7. The earphone according to claim 5, characterized in that A first notch is provided on an edge of one side of the inner bracket close to the pronunciation module, and the side of the pronunciation module close to the inner bracket is sealed in the first notch. Sealing protrusions are provided on both sides of the first notch; the sealing protrusions are adapted to the peripheral edge of the side of the pronunciation module close to the inner bracket.

8. The earphone according to any one of claims 2 to 4, characterized in that: On the side close to the rear cavity, the edge of the inner bracket on the side where the battery is installed is provided with a first peripheral edge; on the side away from the rear cavity, the edge of the inner bracket is not provided with a peripheral edge surrounding the battery.

9. The earphone according to claim 8, characterized in that The outer side surface of the first peripheral edge is extended toward the sound module to form an outward expansion edge, and the outer surface of the outward expansion edge is provided with a limiting installation rib. The inner wall of the front shell is correspondingly provided with a slot, and the limiting installation rib is clamped in the slot.

10. The earphone according to claim 9, characterized in that The outer side surface of the outwardly expanded edge is concavely provided with a wiring groove, and the earphone includes an FPC line, and the FPC line is arranged in the wiring groove.

Images