Portable sound amplifying device

Abstract

The utility model discloses a portable sound amplifying device, which comprises a shell, a sound amplifying assembly and a sound receiving assembly, the shell comprises a shell body, a baffle and a protective cover; the shell and the baffle plate are covered to form a cavity for accommodating the sound amplifying assembly and the sound receiving assembly; the sound amplification assembly comprises a controller and a loudspeaker, and the loudspeaker is fixed on the baffle plate; a through hole and a handle are arranged in the protective cover, the shell and the baffle penetrate through the through hole to be fixedly connected with the protective cover, and the handle is located above the baffle. The radio assembly comprises an emitter and a receiver matched with the emitter, and the loudspeaker and the receiver are both electrically connected with the controller. According to the portable sound amplifying device, the shell, the sound amplifying assembly and the sound receiving assembly are arranged, the shell and the baffle can stably accommodate the sound amplifying assembly and the sound receiving assembly, the structure of the portable sound amplifying device is simplified, and the structural stability of the portable sound amplifying device is guaranteed; and through the arrangement of the baffle plate and the protective cover, the situation that the loudspeaker is displaced in the moving process is avoided, and the use stability and portability of the portable sound amplification device are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sound amplification devices, in particular to a portable sound amplification device. Background Art

[0002] The essence of a sound amplification device is to use electronic signal transmission to enable people at a distance to receive information through a loudspeaker. While following this essence, wireless sound amplification devices use science to enrich the means of signal transmission, specifically through electromagnetic wave signal transmission and light wave transmission. In addition, wireless sound amplification devices use an independent lithium battery supply mode, and the transmitting part is generally small and easy to carry, and is mostly used in educational applications. Existing wireless sound amplification devices have problems such as complex structure and poor protection performance, which affects the portability and ease of use of wireless sound amplification devices. Utility Model Content

[0003] In order to solve the above problems, the purpose of the utility model is to provide a portable sound amplification device, simplify the structure of the shell, improve the protection performance of the sound amplification component and the sound receiving component, and improve the convenience and portability of the portable sound amplification device.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A portable sound amplification device comprises: a shell, a sound amplification component and a sound receiving component; the shell comprises a casing, a baffle and a protective cover; the casing and the baffle are combined to form a cavity for accommodating the sound amplification component and the sound receiving component; the sound amplification component comprises a controller and a speaker, and the speaker is fixed on the baffle; a through hole and a handle are provided in the protective cover, the casing and the baffle are fixedly connected to the protective cover through the through hole, and the handle is located above the baffle; the sound receiving component comprises a transmitter and a receiver matched with the transmitter, and the speaker and the receiver are both electrically connected to the controller.

[0006] The above-mentioned portable sound amplifier has at least the following beneficial effects: by providing a shell, a sound amplifier component and a sound receiving component, the shell and the baffle can stably accommodate the sound amplifier component and the sound receiving component, thereby preventing the speaker, transmitter and receiver from loosening during use, simplifying the structure of the portable sound amplifier, and ensuring the structural stability of the portable sound amplifier; by providing a baffle and a protective cover, the user can quickly and stably move and place the shell through the handle, thereby preventing the speaker from being displaced during movement, and ensuring the use stability and portability of the portable sound amplifier.

[0007] Furthermore, the handle is formed by the upward extension of the protective cover; the lower end of the protective cover is provided with a wrapping portion, and the wrapping portion covers the bottom of the housing. By providing the handle and the wrapping portion, the protection of the housing, the sound amplification component and the sound receiving component is improved, and the speaker, the transmitter and the receiver are prevented from being damaged by external forces, which affects the service life of the portable sound amplification device.

[0008] Furthermore, a gripping portion is provided at the lower end of the handle, and the surface of the gripping portion is wavy. The gripping portion is provided so that the user can hold the handle stably, thereby preventing the housing from being loosened and improving the use stability of the portable sound amplification device.

[0009] Furthermore, the protective cover and the housing are both provided with mounting holes, and the protective cover and the housing are fixedly connected by inserting bolts into the mounting holes. By providing mounting holes and bolts, the protective cover and the housing are easily assembled quickly, and the structural stability of the housing is also improved.

[0010] Furthermore, the sound amplification component also includes a battery and a control button, and the battery and the control button are electrically connected to the controller. By providing the battery and the control button, it is convenient to power and control the sound amplification component and the sound receiving component, thereby improving the convenience of using the portable sound amplification device.

[0011] Furthermore, a control panel is provided on the end of the housing away from the baffle, and the control buttons are fixed on the control panel. By providing the control panel, it is convenient for the user to use the control buttons on the end of the housing away from the speaker, thereby improving the convenience of using the portable sound amplification device.

[0012] Furthermore, the control panel is also provided with a charging compartment for accommodating the transmitter, and the charging compartment is electrically connected to the battery. By providing the charging compartment, the transmitter can be charged quickly and stably, thereby improving the charging efficiency of the portable sound amplification device.

[0013] Furthermore, a cover plate is provided on the outside of the charging compartment, and the cover plate is detachably connected to the shell. By providing the cover plate, the transmitter can be stably fixed in the shell to avoid falling off during storage, thereby improving the structural stability of the portable sound amplification device.

[0014] Furthermore, the lower end of the cover is hinged to the shell through a compression spring; the upper end of the cover is provided with a fixing groove, and the shell is movably provided with a buckle that cooperates with the fixing groove. By providing the fixing groove and the buckle, it is ensured that the cover can be stably fixed on the shell, and the transmitter is prevented from loosening during charging, which affects the working stability of the portable sound amplification device.

[0015] Furthermore, anti-sliding blocks are evenly distributed on the lower end of the housing. By providing the anti-sliding blocks, the housing can be stably placed on a plane, thereby preventing the portable sound amplifier from falling during use, and ensuring the stability and service life of the portable sound amplifier.

[0016] The beneficial effects of the portable sound amplifier device are as follows: by providing a shell, a sound amplifier component and a sound receiving component, the shell and the baffle can stably accommodate the sound amplifier component and the sound receiving component, thereby preventing the speaker, the transmitter and the receiver from loosening during use, simplifying the structure of the portable sound amplifier device, and ensuring the structural stability of the portable sound amplifier device; by providing a baffle and a protective cover, the user can quickly and stably move and place the shell through the handle, thereby preventing the speaker from being displaced during movement, thereby ensuring the use stability and portability of the portable sound amplifier device; by providing a handle and a wrapping part, the protection of the shell, the sound amplifier component and the sound receiving component is improved, thereby preventing the speaker, the transmitter and the receiver from being damaged by external forces and affecting the service life of the portable sound amplifier device; by providing a gripping part, it is convenient for the user to hold the handle stably, thereby preventing the shell from loosening and improving the use stability of the portable sound amplifier device.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a portable sound amplification device according to an embodiment of the utility model;

[0019] Figure 2 This is a structural exploded view of a portable sound amplification device according to an embodiment of the utility model;

[0020] Figure 3 This is a side view of a portable sound amplification device according to an embodiment of the utility model;

[0021] Figure 4 A side view of a portable sound amplification device according to an embodiment of the utility model from another angle;

[0022] Figure 5 for Figure 4 Enlarged view of the structure of the controller and control panel. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Reference Figures 1 to 5 The embodiment of the utility model provides a portable sound amplification device, a portable sound amplification device, comprising: a shell 100, a sound amplification component 200 and a sound receiving component 300; the shell 100 comprises a shell body 110, a baffle 120 and a protective cover 130; the shell body 110 and the baffle 120 are combined to form a cavity for accommodating the sound amplification component 200 and the sound receiving component 300; the sound amplification component 200 comprises a controller 210 and a speaker 220, and the speaker 220 is fixed on the baffle 120; a through hole 131 and a handle 132 are provided in the protective cover 130, the shell body 110 and the baffle 120 are fixedly connected with the protective cover 130 through the through hole 131, and the handle 132 is located above the baffle 120; the sound receiving component 300 comprises a transmitter 310 and a receiver 320 matched with the transmitter 310, and the speaker 220 and the receiver 320 are both electrically connected to the controller 210.

[0025] By providing the housing 100, the sound amplifier component 200 and the sound receiving component 300, the shell 110 and the baffle 120 can stably accommodate the sound amplifier component 200 and the sound receiving component 300, thereby preventing the speaker 220, the transmitter 310 and the receiver 320 from loosening during use, simplifying the structure of the portable sound amplifier, and ensuring the structural stability of the portable sound amplifier; by providing the baffle 120 and the protective cover 130, the user can quickly and stably move and place the housing 100 through the handle 132, thereby preventing the speaker 220 from being displaced during movement, and ensuring the stability and portability of the portable sound amplifier.

[0026] In another embodiment, the handle 132 is formed by extending the protective cover 130 upward; the lower end of the protective cover 130 is provided with a wrapping portion 133, and the wrapping portion 133 covers the bottom of the housing 110. By providing the handle 132 and the wrapping portion 133, the protection of the housing 110, the sound amplifying assembly 200 and the sound receiving assembly 300 is improved, and the speaker 220, the transmitter 310 and the receiver 320 are prevented from being damaged by external forces, which affects the service life of the portable sound amplifying device.

[0027] In another embodiment, a gripping portion 134 is further provided at the lower end of the handle 132, and the surface of the gripping portion 134 is wavy. The gripping portion 134 is provided to facilitate the user to stably grip the handle 132, thereby preventing the housing 100 from being loosened and improving the stability of the portable speaker.

[0028] In another embodiment, both the protective cover 130 and the housing 110 are provided with mounting holes 140, and the protective cover 130 and the housing 110 are fixedly connected by inserting bolts 150 into the mounting holes 140. By providing the mounting holes 140 and the bolts 150, the protective cover 130 and the housing 110 are easily assembled quickly, and the structural stability of the housing 100 is also improved.

[0029] In another embodiment, the loudspeaker assembly 200 further includes a battery 230 and a control button 240, and the battery 230 and the control button 240 are both electrically connected to the controller 210. By providing the battery 230 and the control button 240, it is convenient to power and control the loudspeaker assembly 200 and the sound receiving assembly 300, thereby improving the convenience of using the portable loudspeaker device. Specifically, for daily emergency situations or disaster situations, the control button 240 is provided with a help button. In an emergency situation, long press the help button, and the speaker 220 will play the emergency alarm signal at the maximum volume.

[0030] In another embodiment, a control panel 160 is provided at one end of the housing 100 away from the baffle 120, and the control button 240 is fixed on the control panel 160. By providing the control panel 160, it is convenient for the user to use the control button 240 at the end of the housing 100 away from the speaker 220, thereby improving the convenience of using the portable sound amplification device.

[0031] In another embodiment, the control panel 160 is further provided with a charging compartment 161 for accommodating the transmitter 310, and the charging compartment 161 is electrically connected to the battery 230. By providing the charging compartment 161, the transmitter 310 can be charged quickly and stably, thereby improving the charging efficiency of the portable sound amplification device.

[0032] In another embodiment, a cover plate 162 is further provided on the outer side of the charging compartment 161, and the cover plate 162 is detachably connected to the housing 110. By providing the cover plate 162, the transmitter 310 can be stably fixed in the housing 100 to avoid falling off during storage, thereby improving the structural stability of the portable sound amplification device.

[0033] Reference Figure 5 In another embodiment, the lower end of the cover plate 162 is hinged to the housing 110 through a compression spring 163; a fixing groove 164 is provided at the upper end of the cover plate 162, and a buckle 111 that cooperates with the fixing groove 164 is movably provided on the housing 110. By providing the fixing groove 164 and the buckle 111, it is ensured that the cover plate 162 can be stably fixed on the housing 110, and the transmitter 310 is prevented from loosening during the charging process, which affects the working stability of the portable sound amplification device.

[0034] In another embodiment, anti-sliding blocks 170 are evenly distributed at the lower end of the housing 100. The anti-sliding blocks 170 ensure that the housing 100 can be stably placed on a plane, thereby preventing the portable sound amplifier from falling during use and ensuring the stability and service life of the portable sound amplifier.

[0035] The working principle of the utility model is further explained below.

[0036] During the assembly process, firstly, according to the sizes of the sound amplifier component 200 and the sound receiving component 300, the shell 110 and the baffle 120 that match them are selected to ensure that the sound amplifier component 200 and the sound receiving component 300 are fixed in the cavity formed by the shell 110 and the baffle 120; firstly, the speaker 220 is fixedly installed in the baffle 120; then, the controller 210, the battery 230, the receiver 320 and the control button 240 are installed on the end of the housing 100 away from the baffle 120, and the control panel 160 is installed; then, the lower end of the cover plate 162 is fixedly installed through the compression spring 1 63 is hinged with the housing 110, the buckle 111 is inserted into the fixing groove 164, and the cover plate 162 is installed on the housing 110; then, the housing 110 and the baffle 120 are closed, and the speaker 220 is accurately fixed in the housing 100, the housing 110 and the baffle 120 pass through the through hole 131, and the bolt 150 is inserted into the mounting hole 140 in the protective cover 130 and the housing 110 to fix the protective cover 130 and the housing 110; finally, a plurality of anti-sliding blocks 170 are installed at the lower end of the housing 100, and after the transmitter 310 is placed in the charging compartment 161, the cover plate 162 is closed. The entire assembly process is efficient and orderly, and the components such as the controller 210, the battery 230, the receiver 320, the speaker 220 and the control button 240 can be accurately and stably fixed in the housing 100.

[0037] During use, the battery 230 supplies power to the controller 210, the receiver 320, the speaker 220 and the transmitter 310, so that the speaker 220 can output sound according to the input signal of the controller 210. When the transmitter 310 needs to receive sound, the cover 162 is opened, the transmitter 310 is taken out from the charging compartment 161, and the user makes a sound to the transmitter 310, and the transmitter 310 collects the audio signal and transmits it to the matching receiver 320. Specifically, the transmitter 310 communicates with the receiver 320 through the 2.4G frequency band. Of course, in other embodiments, the receiver 320 can also be connected to a wired microphone or other sound source input through a mono input interface to receive an audio signal. After the receiver 320 receives the audio signal, it is transmitted to the speaker 220 through the controller 210 for amplification and output. When the portable sound amplification device needs to be moved, it only needs to be easily picked up through the handle 132 and the grip 134, and the anti-sliding block 170 is stably placed on a plane to improve the portability and signal transmission stability of the portable sound amplification device.

[0038] From the above description, it can be seen that the portable sound amplification device of the utility model is provided with a housing 100, a sound amplification component 200 and a sound receiving component 300. The housing 110 and the baffle 120 can stably accommodate the sound amplification component 200 and the sound receiving component 300, thereby preventing the speaker 220, the transmitter 310 and the receiver 320 from being loosened during use, simplifying the structure of the portable sound amplification device, and ensuring the structural stability of the portable sound amplification device; by providing the baffle 120 and the protective cover 130, the user can quickly and stably move and place the housing 100 through the handle 132, thereby avoiding the loosening of the speaker 220, the transmitter 310 and the receiver 320 during use. The speaker 220 is prevented from being displaced during movement, thereby ensuring the stability and portability of the portable sound amplifier. By providing the handle 132 and the wrapping portion 133, the protection of the shell 110, the sound amplifier component 200 and the sound receiving component 300 is improved, thereby preventing the speaker 220, the transmitter 310 and the receiver 320 from being damaged by external forces, thereby reducing the service life of the portable sound amplifier. By providing the holding portion 134, the user can hold the handle 132 stably, thereby preventing the shell 100 from loosening, thereby improving the stability of the portable sound amplifier.

[0039] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A portable sound amplification device, characterized in that: include: A shell, a sound amplifying component and a sound receiving component; the shell includes a shell, a baffle and a protective cover; the shell and the baffle cover together form a cavity for accommodating the sound amplifying component and the sound receiving component; the sound amplifying component includes a controller and a speaker, and the speaker is fixed on the baffle; a through hole and a handle are provided in the protective cover, the shell and the baffle are fixedly connected to the protective cover through the through hole, and the handle is located above the baffle; the sound receiving component includes a transmitter and a receiver matched with the transmitter, and the speaker and the receiver are both electrically connected to the controller.

2. A portable sound amplification device according to claim 1, characterized in that: The handle is formed by the upward extension of the protective cover; a wrapping portion is provided at the lower end of the protective cover, and the wrapping portion covers the bottom of the shell.

3. A portable sound amplification device according to claim 2, characterized in that: A gripping portion is also provided at the lower end of the handle, and a surface of the gripping portion is wavy.

4. A portable sound amplification device according to claim 2, characterized in that: The protective cover and the shell are both provided with mounting holes, and the protective cover and the shell are fixedly connected by bolts inserted into the mounting holes.

5. A portable sound amplification device according to claim 1, characterized in that: The sound amplification component also includes a battery and a control button, and the battery and the control button are both electrically connected to the controller.

6. A portable sound amplification device according to claim 5, characterized in that: A control panel is provided on one end of the housing away from the baffle, and the control buttons are fixed on the control panel.

7. A portable sound amplification device according to claim 6, characterized in that: The control panel is also provided with a charging compartment for accommodating the transmitter, and the charging compartment is electrically connected to the battery.

8. A portable sound amplification device according to claim 7, characterized in that: A cover is also provided on the outside of the charging compartment, and the cover is detachably connected to the shell.

9. A portable sound amplification device according to claim 8, characterized in that: The lower end of the cover plate is hinged to the shell through a compression spring; the upper end of the cover plate is provided with a fixing groove, and a buckle cooperating with the fixing groove is movably provided on the shell.

10. The portable sound amplification device according to claim 1, characterized in that: Anti-sliding blocks are evenly distributed on the lower end of the shell.

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