Hearing sound amplification equipment

Abstract

The utility model provides hearing sound amplification equipment, which relates to the technical field of sound amplification equipment and comprises a sound amplification equipment body, a sound amplification port arranged on the outer surface of the sound amplification equipment body, a protective cover for protecting the sound amplification port and a locking mechanism arranged on the outer surface of the sound amplification equipment body. A plurality of clamping rods which are connected with the sound amplification equipment body and are clamped with the protective cover are arranged in the locking mechanism; the locking mechanism comprises a swing plate which is right opposite to the protective cover and is connected with the clamping rod in a clamping mode, and a transmission assembly connected with the swing plate is arranged outside the sound amplification device body. According to the utility model, dust in the environment can be effectively prevented from entering the sound amplifying port through the locking mechanism to cause blockage and influence on sound transmission, the protective cover can be conveniently and quickly mounted or dismounted, so that the protective cover can be conveniently taken out for cleaning, and the transmission assembly is convenient for simultaneously operating components on two sides to mount or dismount the protective cover, so that the working efficiency is improved. The convenience of locking operation of the protective cover is further improved, and the complexity of mounting or dismounting of the protective cover is greatly reduced.

Description

Technical Field

[0001] The utility model discloses a hearing amplification device, which relates to the field of amplification devices. Background Art

[0002] Amplifiers are electronic devices used to amplify sound, and are commonly used in teaching, lectures, music performances, and listening. However, in listening training, amplifiers play a vital role, mainly used to amplify the spread of sound, making it clearer and farther.

[0003] In the prior art, refer to patent document CN219019035U. The device proposed in the patent document provides a detachable connecting structure of a strap on the main body of the loudspeaker. When the detachable strap needs to be removed, no auxiliary equipment is required. The long screw can be screwed out by operating the hand-tightening strip plate to achieve the disassembly of the front right-angle sleeve and the rear right-angle sleeve. Then, the detachable connecting structure of the strap and the detachable strap can be removed from the main body of the loudspeaker. However, in the actual use of the loudspeaker, although this can facilitate the wearing of the loudspeaker, after the loudspeaker is used for a long time, dust and dirt in the environment can easily enter the transmission port of the loudspeaker, which can easily lead to a decrease in the sound and transmission distance of the loudspeaker over time, and the accompanying noise affects the effect of hearing training. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a hearing amplification device to solve the problems raised in the above-mentioned background technology. The present invention can effectively reduce the effect of dust entering the interior of the amplification device and affecting sound transmission, and can facilitate the rapid disassembly and cleaning of protective components.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: it includes a sound amplification device body, the outer surface of the sound amplification device body is provided with a sound amplification port, and a protective cover for protecting the sound amplification port, the outer surface of the sound amplification device body is provided with a locking mechanism, and the locking mechanism is provided with a plurality of clamping rods connected to the sound amplification device body and clamped with the protective cover, and the clamping rods are used for installing or removing the protective cover; the locking mechanism includes a swinging plate facing the protective cover and clamped with the clamping rods, and the swinging plate is used for limiting locking of the protective cover, and a transmission assembly connected to the swinging plate is provided on the outside of the sound amplification device body, and the transmission assembly is used to drive the swinging plate to swing.

[0006] Furthermore, the locking mechanism also includes a sliding rod fixedly connected to the sound amplification device body and slidably cooperated with the swing plate, and a first telescopic spring sleeved on the outer surface of the sliding rod, the first telescopic spring is used to elastically drive the swing plate to lock or release the protective cover. By setting the sliding rod, it is convenient to limit the sliding of the swing plate, so that the swing plate can slide up and down under the mutual cooperation of the sliding rod and the first telescopic spring, so that the swing plate can be engaged with the clamping rod through the first telescopic spring to lock the protective cover.

[0007] Furthermore, the transmission assembly includes an L-shaped slide bar that rotates with the swing plate, and a slide cylinder that is sleeved on the outer surfaces of the two L-shaped slide bars. The slide cylinder is used to drive the swing plate on the same side to lock the protective cover through the L-shaped slide bar. By setting the L-shaped slide bar and the slide cylinder, it is convenient to manually pull the swing plate up and down, and when pulling, bending it toward the protective cover can facilitate the swing plate to swing under the limiting action of the slide bar.

[0008] Furthermore, the transmission assembly also includes a second telescopic spring located inside the slide cylinder and connected to the two L-shaped slide rods, and the second telescopic spring is used to elastically pull the L-shaped slide rod and the swing plate to swing synchronously; the locking mechanism also includes a guide assembly connected to the transmission assembly. By setting the second telescopic spring, it is possible to facilitate the swing plate to be quickly engaged with the clamping rod through the elastic force of the second telescopic spring during the process of bending the slide cylinder.

[0009] Furthermore, the guide assembly includes a guide groove provided on the outer surface of the body of the sound amplification device, and a telescopic rod connected to the slide cylinder and slidably matched with the guide groove. The telescopic rod is used for lateral and vertical movement of the slide cylinder by telescoping. By setting the guide groove, the telescopic rod can be easily guided, and the slide cylinder can be guided by the telescopic rod, and can also be telescoped and moved when the slide cylinder is pulled and bent.

[0010] Furthermore, the locking mechanism also includes a blocking rod connected to the sound amplification device body and engaged with the reserved groove of the swing plate, and the blocking rod is used to limit the swing plate. By setting the blocking rod, it is convenient to limit the swing plate during the swinging process, so that the swing plate can be accurately swung to the top of the locking rod.

[0011] Furthermore, a socket is provided on the upper surface of the sound amplification device body, and two connecting plates and a flexible belt connected to the connecting plates are fixedly connected to the outer surface of the sound amplification device body. By providing the socket, it is convenient to connect devices such as microphones or headphones for sound amplification.

[0012] Furthermore, an elastic card is fixedly connected to the rear side of the sound amplification device body, and the elastic card is made of elastic material. By providing the elastic card, the sound amplification device can be conveniently worn around the waist, thereby facilitating sound amplification work.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model is provided with an innovative locking mechanism, which can effectively reduce the effect of dust in the environment entering the sound expansion port to cause blockage and affect the sound propagation, and can facilitate the quick installation or removal of the protective cover, so that it is convenient to take out the protective cover for cleaning. The setting of the transmission assembly facilitates the simultaneous operation of the components on both sides to install or remove the protective cover, thereby further improving the convenience of the protective cover locking operation and greatly reducing the tediousness of the protective cover installation or removal.

[0015] 2. The utility model can facilitate the limited sliding of the swing plate by arranging a sliding rod, can quickly lock the protective cover by arranging an L-shaped sliding rod and a sliding cylinder, can facilitate the swing plate to be quickly engaged with the clamping rod by arranging a second telescopic spring during the process of bending the sliding cylinder through the elastic force of the second telescopic spring, can facilitate the guidance of the telescopic rod by arranging a guide groove, and can guide the sliding cylinder through the telescopic rod, can facilitate the limited blocking of the swing plate during the swinging process by arranging a blocking rod, can facilitate the swing plate to be reset and engaged with the clamping rod through the rebound of the sliding rod, and can facilitate the carrying and wearing of the sound amplification equipment through the connecting plate and the flexible belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 This is a front view of the three-dimensional structure of the overall device of the utility model;

[0018] Figure 2 This is a rear view of the three-dimensional structure of the overall device of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the locking mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional structural cross-sectional view of the second telescopic spring of the utility model;

[0021] Figure 5 For the utility model Figure 3 A local enlarged schematic diagram of point A in the middle.

[0022] In the figure: 1 - sound amplification device body, 2 - sound amplification port, 3 - locking mechanism, 301 - clamping rod, 302 - protective cover, 303 - sliding rod, 304 - first telescopic spring, 305 - swing plate, 306 - L-shaped sliding rod, 307 - slide cylinder, 308 - second telescopic spring, 309 - blocking rod, 3010 - guide groove, 3011 - telescopic rod, 4 - socket, 5 - connecting plate, 6 - flexible belt, 7 - elastic card. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figure 1 - Figure 5 This embodiment proposes a hearing amplification device, including a sound amplification device body 1, a sound amplification port 2 and a protective cover 302 for protecting the sound amplification port 2 are arranged on the outer surface of the sound amplification device body 1, a locking mechanism 3 is arranged on the outer surface of the sound amplification device body 1, and a plurality of clamping rods 301 connected to the sound amplification device body 1 and clamped with the protective cover 302 are arranged in the locking mechanism 3, and the clamping rods 301 are used to install or remove the protective cover 302.

[0025] refer to Figures 1 to 5 The setting of the latch rod 301 can facilitate the installation or removal of the protective cover 302, and through the setting of the locking mechanism 3, the protective cover 302 can be quickly locked or released, thereby further improving the convenience of installing or removing the protective cover 302. The setting of the protective cover 302 can better protect the sound expansion port 2 and prevent dust or foreign matter in the environment from entering the sound expansion port 2 and affecting the sound expansion effect.

[0026] The locking mechanism 3 also includes a slide bar 303 fixedly connected to the sound amplification device body 1 and slidably matched with the swing plate 305, and a first telescopic spring 304 sleeved on the outer surface of the slide bar 303. The first telescopic spring 304 is used to elastically drive the swing plate 305 to lock or release the protective cover 302.

[0027] By setting the sliding rod 303, it is convenient to limit the sliding of the swing plate 305, so that the swing plate 305 can slide up and down under the cooperation of the sliding rod 303 and the first telescopic spring 304, so that the swing plate 305 can be engaged with the clamping rod 301 through the first telescopic spring 304 to lock the protective cover 302, thereby preventing the protective cover 302 from falling off, and facilitating the quick installation or removal of the protective cover 302.

[0028] A socket 4 is provided on the upper surface of the sound amplifying device body 1, and two connecting plates 5 and a flexible belt 6 connected to the connecting plates 5 are fixedly connected to the outer surface of the sound amplifying device body 1. By providing the socket 4, it is convenient to connect devices such as a microphone or a headset for sound amplification, and through the connecting plates 5 and the flexible belt 6, the sound amplifying device can be conveniently carried and worn, which greatly improves the practicality and convenience of carrying the device.

[0029] An elastic card 7 is fixedly connected to the rear side of the sound amplifying device body 1. The elastic card 7 is made of elastic material. By providing the elastic card 7, the sound amplifying device can be conveniently worn around the waist, thereby facilitating sound amplification work and greatly improving the practicality and applicability of the device.

[0030] The locking mechanism 3 includes a swing plate 305 facing the protective cover 302 and clamped with the clamping rod 301. The swing plate 305 is used to limit and lock the protective cover 302. The outside of the sound amplification equipment body 1 is provided with a transmission assembly connected to the swing plate 305, and the transmission assembly is used to drive the swing plate 305 to swing.

[0031] refer to Figures 1 to 5 The setting of the locking mechanism 3 can facilitate the locking of the protective cover 302, and through the setting of the transmission component, it can facilitate the synchronous transmission of the swing plates 305 on both sides, so that the protective cover 302 can be quickly locked without the need to control the steering of a single swing plate 305, thereby greatly improving the convenience and practicality of operation.

[0032] The transmission assembly includes an L-shaped slide bar 306 rotatably matched with the swing plate 305 , and a slide cylinder 307 sleeved on the outer surfaces of the two L-shaped slide bars 306 . The slide cylinder 307 is used to drive the swing plate 305 on the same side to lock the protective cover 302 through the L-shaped slide bar 306 .

[0033] By setting an L-shaped sliding bar 306 and a sliding cylinder 307, it is convenient to manually pull the swing plate 305 to move up and down, and when pulling, bending it toward the protective cover 302 can drive the swing plate 305 to swing under the limiting action of the sliding bar 303, so that it swings to the locking rod 301 for locking, and then the protective cover 302 can be quickly locked, thereby greatly improving the convenience of installing or removing the protective cover 302.

[0034] The transmission assembly also includes a second telescopic spring 308 located inside the slide cylinder 307 and connected to the two L-shaped slide bars 306. The second telescopic spring 308 is used to elastically pull the L-shaped slide bars 306 and the swing plate 305 to swing synchronously; the locking mechanism 3 also includes a guide assembly connected to the transmission assembly.

[0035] By providing the second telescopic spring 308, it is possible to pull the swing plate 305 to quickly engage with the locking rod 301 through the elastic force of the second telescopic spring 308 during the process of bending the slide cylinder 307, thereby improving the convenience and speed of locking the protective cover 302 and reducing the complexity of installing or removing the protective cover 302.

[0036] The guide assembly includes a guide groove 3010 provided on the outer surface of the sound amplification device body 1, and a telescopic rod 3011 connected to the slide 307 and slidably matched with the guide groove 3010. The telescopic rod 3011 is used for lateral and vertical movement of the slide 307 by telescoping.

[0037] By setting the guide groove 3010, the telescopic rod 3011 can be easily guided, and the slide 307 can be guided by the telescopic rod 3011, and can also be extended and moved when the slide 307 is pulled and bent, thereby greatly improving the stability and convenience of the slide 307 during use and avoiding the slide 307 from sliding at the L-shaped slide rod 306.

[0038] The locking mechanism 3 also includes a blocking rod 309 connected to the sound amplification device body 1 and engaged with the reserved groove of the swing plate 305. The blocking rod 309 is used to limit the swing plate 305. By setting the blocking rod 309, it is convenient to limit the swing plate 305 during the swinging process, so that the swing plate 305 can be accurately swung to the top of the locking rod 301.

[0039] Furthermore, loosening the slide cylinder 307 can facilitate the swing plate 305 to rebound and reset through the slide rod 303 to engage with the clamping rod 301, thereby locking the protective cover 302, greatly improving the convenience of use of the device.

[0040] Working principle: When the protective cover 302 needs to be disassembled and cleaned for hearing training or sound amplification, first manually pull the slides 307 on both sides. The slides 307 simultaneously pull the two connected swing plates 305 upward through the L-shaped slide bar 306, so that the swing plates 305 are disengaged from the clamping rod 301, and after disengagement, the slides 307 are bent to both sides, so that the slides 307 drive the swing plates 305 to swing to both sides through the L-shaped slide bar 306, thereby releasing the lock on the protective cover 302, making it easier to take out the protective cover 302 for cleaning.

[0041] The cam 305 is then released and the cam 306 is released, so that the cam 306 is locked in the locking cam 301. The cam 306 is locked in the locking cam 301, so that the cam 306 is locked in the locking cam 301. The cam 306 is then released and the cam 306 is locked in the locking cam 301.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hearing amplification device, comprising a sound amplification device body (1), characterized in that: The outer surface of the sound amplifying device body (1) is provided with a sound amplifying port (2) and a protective cover (302) for protecting the sound amplifying port (2); the outer surface of the sound amplifying device body (1) is provided with a locking mechanism (3); the locking mechanism (3) is provided with a plurality of locking rods (301) connected to the sound amplifying device body (1) and engaged with the protective cover (302); the locking rods (301) are used for installing or removing the protective cover (302); the locking mechanism (3) comprises a swing plate (305) facing the protective cover (302) and engaged with the locking rods (301); the swing plate (305) is used for limiting and locking the protective cover (302); the outside of the sound amplifying device body (1) is provided with a transmission assembly connected to the swing plate (305); the transmission assembly is used for swinging the swing plate (305).

2. The hearing amplification device according to claim 1, characterized in that: The locking mechanism (3) further comprises a slide bar (303) fixedly connected to the sound amplification device body (1) and slidably engaged with the swing plate (305), and a first telescopic spring (304) sleeved on the outer surface of the slide bar (303), wherein the first telescopic spring (304) is used to elastically drive the swing plate (305) to lock or release the protective cover (302).

3. The hearing amplification device according to claim 1, characterized in that: The transmission assembly comprises an L-shaped slide bar (306) rotatably matched with the swing plate (305), and a slide cylinder (307) sleeved on the outer surfaces of the two L-shaped slide bars (306), wherein the slide cylinder (307) is used to drive the swing plate (305) on the same side to lock the protective cover (302) through the L-shaped slide bar (306).

4. The hearing amplification device according to claim 3, characterized in that: The transmission assembly further comprises a second telescopic spring (308) located inside the slide cylinder (307) and connected to the two L-shaped slide bars (306), wherein the second telescopic spring (308) is used to elastically pull the L-shaped slide bars (306) and the swing plate (305) to swing synchronously; the locking mechanism (3) further comprises a guide assembly connected to the transmission assembly.

5. The hearing amplification device according to claim 4, characterized in that: The guide assembly comprises a guide groove (3010) provided on the outer surface of the sound amplification device body (1), and a telescopic rod (3011) connected to the slide cylinder (307) and slidably engaged with the guide groove (3010), wherein the telescopic rod (3011) is used for lateral and vertical movement of the slide cylinder (307) by telescoping.

6. The hearing amplification device according to claim 1, characterized in that: The locking mechanism (3) further comprises a blocking rod (309) connected to the sound amplification device body (1) and engaged with a reserved groove of the swing plate (305), wherein the blocking rod (309) is used to limit and block the swing plate (305).

7. The hearing amplification device according to claim 1, characterized in that: The upper surface of the sound amplifying device body (1) is provided with a socket (4), and the outer surface of the sound amplifying device body (1) is fixedly connected with two connecting plates (5) and a flexible belt (6) connected to the connecting plates (5).

8. The hearing amplification device according to claim 1, characterized in that; An elastic card (7) is fixedly connected to the rear side of the sound amplification device body (1), and the elastic card (7) is made of an elastic material.

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