Earmuff type earphone for hearing diagnosis

Abstract

The utility model relates to an earmuff type earphone for hearing diagnosis, which comprises an arc-shaped earphone frame, a support component is arranged on the inner side of the earphone frame, and earphone shells are arranged at two ends of the earphone frame. The utility model relates to the technical field of hearing test earphones. According to the earmuff type earphone for hearing diagnosis, when a testee with a large ear is tested, an adjusting table is rotated to pull a sealing plate to be matched with a connecting pipe to extract air in the outer earmuff, at the moment, the outer earmuff collapses, and after the outer earmuff collapses, the earmuff type earphone is used for hearing diagnosis. When a large ear testee wears the earmuff, the outer wall of the inner earmuff connected with the outer earmuff is driven to collapse synchronously, and the inner wall of the inner earmuff is not pressed, so that the top end of the inner earmuff is turned outwards along with the collapsed outer wall, and the inner ring of the inner earmuff is expanded, so that the large ear testee completely wraps the ear in the inner earmuff; and the problem of sound leakage or ear compression caused by the fact that the earmuffs compress the ears of the big-ear testee is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of hearing test headphones, and in particular to an over-ear headphone for hearing diagnosis. Background Technology

[0002] The principle of hearing screening is to use sound stimulation and judge the results based on the feedback from the eardrum after the sound stimulation. In this process, as much sound as possible should enter the ear canal and as little external noise interference as possible, so that the hearing screening instrument can more accurately judge the test results.

[0003] In existing technologies, the internal cavity volume of hearing screening earmuffs is fixed. For test subjects with larger ears, the earmuff may compress the auricle, resulting in more gaps between the earmuff and the auricle. This causes sound to leak out through the earmuff during transmission, thus affecting the hearing diagnosis and leading to inaccurate results. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an over-ear headphone for hearing diagnosis, so as to solve the technical problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] An over-ear headphone for hearing diagnosis includes a headphone frame, which is arc-shaped. A support component is provided on the inner side of the headphone frame. Headphone shells are provided at both ends of the headphone frame. Ear cup components are provided on the opposite side of each of the two ear cups. An adjustment component is provided on the side of the ear cup away from the ear cup components.

[0007] The ear cup assembly includes an inner ear cup and an outer ear cup. The inner ear cup is fixedly connected to the headphone shell, and the outer ear cup is fixedly connected to the headphone shell and is fitted onto the outer peripheral wall of the inner ear cup.

[0008] The adjustment assembly includes a cavity shell, which is fixedly installed inside the earphone shell. An adjustment platform is threadedly connected to the side wall of the cavity shell. A sealing plate is provided on the side of the adjustment platform that is inserted into the cavity shell. Several connecting tubes are provided on the side wall of the cavity shell.

[0009] Furthermore, sliding grooves are provided on the bottom sides of both ends of the headphone frame, and a support spring plate is provided at the bottom of the sliding groove.

[0010] Furthermore, the support assembly includes a head beam, which is arc-shaped, and an arc-shaped sliding plate is provided on the outer peripheral wall of the head beam near the end. The arc-shaped sliding plate is inserted into the sliding groove and slides with the sliding groove. The bottom end of the arc-shaped sliding plate is connected to the top end of the support spring plate.

[0011] Furthermore, the inner ear cover and the outer ear cover have a skin-friendly ring that fits together at their ends.

[0012] Furthermore, a rotating convex plate is fixedly provided on the side wall of the adjustment platform.

[0013] Furthermore, the top of the earphone shell is provided with a telescopic bracket for adjusting the distance between the earphone shell and the earphone frame.

[0014] In summary, this utility model has at least one of the following beneficial technical effects:

[0015] 1. This over-ear headphone for hearing diagnosis, when testing a subject with large ears, involves rotating an adjustment platform to pull a sealing plate, which, in conjunction with a connecting tube, draws air out of the outer earcup. At this point, the outer earcup collapses. After the outer earcup collapses, the outer wall of the inner earcup connected to it collapses synchronously. The inner wall of the inner earcup is not under pressure, so the top of the inner earcup will fold outward along with the collapsed outer wall, causing the inner ring of the inner earcup to expand. This allows the subject with large ears to completely cover their ears inside the inner earcup, preventing the earcup from compressing the subject's ears and causing sound leakage or ear compression.

[0016] 2. This over-ear headphone for hearing diagnosis uses an arc-shaped sliding plate and a sliding groove to slidably connect the headband and the headphone frame. When the headphone is worn, the test subject's head contacts the headband and stretches the support spring plate. At this time, part of the weight of the device can be consumed by the support spring plate to reduce the pressure of the device on the test subject's head. At the same time, the headband contacts the test subject's head to avoid gaps between the bottom of the headphone frame and the test subject's head, thereby improving the stability of the headphone after wearing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an over-ear headphone for hearing diagnosis according to the present invention.

[0019] Figure 2 This is a schematic diagram of the planar structure of an over-ear headphone for hearing diagnosis according to the present invention.

[0020] Figure 3This is a schematic diagram of the structure of a support component for an over-ear headphone used for hearing diagnosis according to this utility model.

[0021] Figure 4 This is a planar structural cross-sectional view of the earcup assembly and adjustment assembly of an over-ear headphone for hearing diagnosis according to the present invention.

[0022] In the diagram, 1. Headphone frame; 2. Support assembly; 21. Headband; 22. Arc-shaped sliding plate; 3. Headphone shell; 4. Earcup assembly; 41. Inner earcup; 42. Outer earcup; 5. Adjustment assembly; 51. Cavity shell; 52. Adjustment platform; 53. Sealing plate; 54. Connecting pipe; 6. Sliding groove; 7. Support spring plate; 8. Skin-friendly ring; 9. Rotating convex plate; 10. Telescopic bracket. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings. Example

[0024] Reference Figure 1 - Figure 4 The present invention discloses an over-ear headphone for hearing diagnosis, including a headphone frame 1, which is arc-shaped. A support component 2 is provided on the inner side of the headphone frame 1. Headphone shells 3 are provided at both ends of the headphone frame 1. An ear cup component 4 is provided on the opposite side of each of the two ear cups 3. An adjustment component 5 is provided on the side of the ear cup 3 away from the ear cup component 4.

[0025] The ear cup assembly 4 includes an inner ear cup 41 and an outer ear cup 42. The inner ear cup 41 is fixedly connected to the headphone shell 3, and the outer ear cup 42 is fixedly connected to the headphone shell 3 and is fitted onto the outer peripheral wall of the inner ear cup 41.

[0026] The adjustment assembly 5 includes a cavity shell 51, which is fixedly disposed inside the earphone shell 3. An adjustment platform 52 is threadedly connected to the side wall of the cavity shell 51. A sealing plate 53 is provided on the side of the adjustment platform 52 that is inserted into the cavity shell 51. Several connecting pipes 54 are provided on the side wall of the cavity shell 51.

[0027] The earphone shell 3 is made of high-strength PC fire-retardant material. The sound unit for testing is set in the center of the earphone shell 3. The internal cavity of the earphone shell 3 is filled with a high-density sound insulation shielding layer to reduce the noise interference from the surroundings and rear of the test earphone, which may affect the normal hearing test and the accuracy of the test. The bottom of the earphone shell 3 is provided with a connection interface for connecting the signal cable, and the end of the connection interface is provided with a fixing buckle to prevent the signal cable from falling off.

[0028] In this embodiment, the ear cup assembly 4 is formed by the arrangement of the outer ear cup 42 and the inner ear cup 41. When in use, the ear cup assembly 4 is put on the outside of the tester's ear so that the tester's ear is completely inside the ear cup assembly 4, so that the sound emitted by the sound unit can completely correspond to the tester's ear canal and avoid the problem of sound leakage.

[0029] like Figure 1 and Figure 4 As shown, during testing on subjects with larger ears, rotating the adjustment platform 52 pulls the sealing plate 53, causing it to move away from the earmuff assembly 4. At this time, air is extracted from the outer earmuff 42 through the connecting tube 54 connected to it, causing the outer earmuff 42 to collapse. This collapse causes the outer wall of the inner earmuff 41, connected to it, to collapse synchronously. The inner wall of the inner earmuff 41 is not subjected to pressure, and its top edge folds outward following the collapse of the outer wall. The inner ring of the inner ear cup 41 expands to allow the test subject with large ears to completely cover the inside of the inner ear cup 41, avoiding sound leakage or ear compression caused by the ear cup pressing on the test subject's ears. When the ear cup completely covers the test subject's ears, the adjustment platform 52 is reversed to move the sealing plate 53 to one side of the ear cup assembly 4, thereby pushing the air inside the cavity shell 51 and allowing the air to enter the outer ear cup 42. At this time, the outer ear cup 42 expands again, working in conjunction with the inner ear cup 41 to fit against the test subject's skin, achieving the purpose of sealing the test subject's ears.

[0030] In a further preferred embodiment of this utility model, such as Figure 3 As shown, the bottom sides of both ends of the headphone frame 1 are provided with sliding grooves 6, and the bottom of the sliding grooves 6 are provided with support spring plates 7.

[0031] In this embodiment, the sliding groove 6 is used to install the support component 2 and the support spring plate 7. The elastic force generated by the support spring plate 7 pulls the support component 2 downward. When the tester wears the headphones, the support component 2 contacts the tester's head to reduce the pressure of the device on the tester's head.

[0032] In a further preferred embodiment of this utility model, such as Figure 3 As shown, the support component 2 includes a head beam 21, which is arc-shaped, and an arc-shaped sliding plate 22 is provided on the outer peripheral wall of the head beam 21 near the end. The arc-shaped sliding plate 22 is inserted into the sliding groove 6 and slides with the sliding groove 6. The bottom end of the arc-shaped sliding plate 22 is connected to the top end of the support spring plate 7.

[0033] In this embodiment, the headband 21 and the headphone frame 1 are slidably connected by the arc-shaped sliding plate 22 and the sliding groove 6. When wearing the headphones, the tester's head contacts the headband 21 and stretches the support spring plate 7. At this time, part of the weight of the device can be consumed by the support spring plate 7 to reduce the pressure of the device on the tester's head. At the same time, when the support spring plate 7 is stretched, it can make the headband 21 contact the tester's head, avoiding the gap between the bottom of the headphone frame 1 and the tester's head, so as to improve the stability of the headphones after wearing.

[0034] In a further preferred embodiment of this utility model, such as Figure 4 As shown, the inner ear cover 41 and the outer ear cover 42 have a skin-friendly ring 8 that fits together at their ends.

[0035] In this embodiment, the use of the skin-friendly ring 8 improves the comfort of the inner ear cup 41 and outer ear cup 42 when they come into contact with the tester's skin. Furthermore, the use of the skin-friendly ring 8 allows the inner ear cup 41 to flip outward when the outer ear cup 42 collapses.

[0036] In a further preferred embodiment of this utility model, such as Figure 4 As shown, a rotating convex plate 9 is fixedly installed on the side wall of the adjustment platform 52.

[0037] In this embodiment, the user can rotate the adjustment platform 52 by rotating the convex plate 9, and then move the adjustment platform 52 through the hollow shell 51 that is threadedly engaged with the adjustment platform 52, so as to achieve the effect of extracting air from the inside of the earcups 42 or filling air into the inside of the earcups 42.

[0038] In a further preferred embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the top of the earphone shell 3 is provided with an earphone telescopic bracket 10, which is used to adjust the distance between the earphone shell 3 and the earphone frame 1.

[0039] In this embodiment, the telescopic bracket 10 for headphones is used to adjust the distance between the headphone shell 3 and the headphone frame 1, so that when the headphone frame 1 is stretched to both sides, it can adapt to users with different head sizes.

[0040] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An ear muff headphone for hearing diagnostics, characterized in that The earphone frame (1) is arranged in an arc shape, the inner side of the earphone frame (1) is provided with a support assembly (2), the two ends of the earphone frame (1) are provided with earphone shells (3), the opposite sides of the two earphone shells (3) are each provided with an earmuff assembly (4), and the side, away from the earmuff assembly (4), of the earphone shell (3) is provided with an adjusting assembly (5). The earmuff assembly (4) comprises an inner earmuff (41) and an outer earmuff (42), the inner earmuff (41) is fixedly connected with the earphone shell (3), the outer earmuff (42) is fixedly connected with the earphone shell (3) and is sleeved on the outer peripheral wall of the inner earmuff (41). The adjusting assembly (5) comprises a cavity shell (51), the cavity shell (51) is fixedly arranged in the interior of the earphone shell (3), the side wall of the cavity shell (51) is threadedly connected with an adjusting table (52), the side, inserted in the interior of the cavity shell (51), of the adjusting table (52) is provided with a sealing plate (53), and the side wall of the cavity shell (51) is provided with a plurality of connecting pipes (54).

2. An ear muff headphone for hearing diagnosis according to claim 1, characterized in that The bottom side of the two ends of the earphone frame (1) is provided with a sliding groove (6), and the inner bottom end of the sliding groove (6) is provided with a support elastic plate (7).

3. An ear muff headphone for hearing diagnosis according to claim 2, characterized in that The support assembly (2) comprises a head beam (21), the head beam (21) is arranged in an arc shape, the outer peripheral wall of the head beam (21) is provided with an arc-shaped sliding plate (22) near the end portion, the arc-shaped sliding plate (22) is inserted in the interior of the sliding groove (6) and is in sliding cooperation with the sliding groove (6), and the bottom end of the arc-shaped sliding plate (22) is connected with the top end of the support elastic plate (7).

4. An ear muff headphone for hearing diagnosis according to claim 3, characterized in that The end portions of the inner earmuff (41) and the outer earmuff (42) are jointly attached to a skin-friendly ring (8).

5. An ear muff headphone for hearing diagnosis according to claim 4, characterized in that The side wall of the adjusting table (52) is fixedly provided with a rotating convex plate (9).

6. An ear muff headphone for hearing diagnosis according to claim 5, characterized in that The top end of the earphone shell (3) is provided with an earphone telescopic support (10) for adjusting the distance between the earphone shell (3) and the earphone frame (1).

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