A head-mounted loudspeaker with a flexible protective structure

By designing a flexible protective structure, the comfort issue caused by friction between the headband-mounted megaphone frame and the scalp was resolved, thus improving the applicability and comfort of the megaphone, protecting the head, and enhancing teaching quality.

CN224319518UActive Publication Date: 2026-06-02WUHAN DONGHU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN DONGHU UNIV
Filing Date
2025-05-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing headband-style megaphones suffer from low comfort due to friction between the mounting bracket and the scalp during use, which affects teaching quality.

Method used

It adopts a flexible protective structure, including an adjustment mechanism, foam blocks, and artificial leather. The tension of the frame can be adjusted through the adjustment mechanism, the foam blocks and artificial leather can be used to improve comfort, and the position of the microphone can be adjusted through the connecting tube.

Benefits of technology

It improves the usability and comfort of the loudspeaker, prevents loosening, protects the head, and enhances teaching quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a head-mounted amplifier with a flexible protective structure, including a fixed frame. An adjusting block is movably connected inside the fixed frame, and an adjusting mechanism is provided on the outside of the adjusting block. The adjusting mechanism includes a movable column and a plug rod. The bottom of the movable column is fixedly connected to the top of the adjusting block, and the inner side of the plug rod extends through the fixed frame into the interior of the movable column. A socket is formed on the surface of the movable column, and the inner side of the plug rod is movably connected to the interior of the socket. A rotating block is movably connected to the outside of the adjusting block, and a connecting tube is fixedly connected to the bottom of the rotating block. A microphone is fixedly connected to the inner side of the connecting tube. Through the adjusting mechanism, the tension can be adjusted according to different head shapes when worn by different people, improving the applicability of the device. The socket facilitates the worker to fix the adjusted frame and prevent loosening.
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Description

Technical Field

[0001] This utility model relates to a head-mounted megaphone with a flexible protective structure, belonging to the field of megaphone technology. Background Technology

[0002] Teachers' voices are easily damaged during teaching and may experience discomfort. In order to better convey teaching content without affecting students' normal listening, a teaching amplifier is used to improve teaching quality and effectively protect the voice.

[0003] Chinese Patent Publication No. (CN 221354487 U) discloses a wearable amplification device for easy teaching, relating to the field of teaching tool technology. It includes an amplifier body and a headset microphone assembly, with the headset microphone assembly electrically connected to the amplifier body. In this invention, two sets of straps are provided on both sides of the amplifier body. The ends of the two straps are equipped with snap fasteners and rigid buckles. Users can choose to use a pin to secure the amplifier body to their clothing, or they can use a diagonal strap by passing one end with a rigid buckle through the slot of the snap fastener on the other strap. The operation is simple and convenient, offering two effective fixing methods for the user to choose from, preventing the amplifier body from falling off during lectures. The device has high wearability.

[0004] However, existing headband-style megaphones cause repeated friction between the mounting bracket and the teacher's scalp during use, which can easily lead to scalp bleeding, resulting in low comfort and affecting teaching quality.

[0005] To address this, a head-mounted loudspeaker with a flexible protective structure is proposed. Utility Model Content

[0006] In view of this, the present invention provides a head-mounted loudspeaker with a flexible protective structure to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial alternative.

[0007] The technical solution of this utility model is implemented as follows: A headband-style megaphone with a flexible protective structure includes a fixed frame, an adjusting block is movably connected inside the fixed frame, an adjusting mechanism is provided on the outside of the adjusting block, the adjusting mechanism includes a movable column and a plug rod, the bottom of the movable column is fixedly connected to the top of the adjusting block, and the inner side of the plug rod extends through the fixed frame into the interior of the movable column.

[0008] More preferably, the surface of the movable column is provided with a socket, and the inner side of the plug rod is movably connected to the inside of the socket.

[0009] More preferably, a rotating block is movably connected to the outer side of the adjusting block, a connecting tube is fixedly connected to the bottom of the rotating block, and a microphone is fixedly connected to the inner side of the connecting tube.

[0010] More preferably, the connecting tube is made of spring tube and can be bent freely.

[0011] More preferably, the surface of the fixing frame is covered with artificial leather, and a sponge block is fixedly connected to the inner side of the fixing frame.

[0012] More preferably, the fixed frame has a sliding groove inside, and the top of the movable column is movably connected to the inside of the sliding groove.

[0013] The present invention has the following advantages due to the adoption of the above technical solution:

[0014] I. This utility model, through its adjustment mechanism, can adjust the tension according to different head shapes when worn by different people, thereby improving the applicability of the device. By setting the insertion hole, it is convenient for staff to fix the adjusted frame and prevent loosening.

[0015] Second, this utility model improves comfort and protects the head of the wearer by using sponge blocks and artificial leather. By setting up a connecting tube, the position of the microphone can be adjusted according to different users.

[0016] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

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

[0018] Figure 1 This is a three-dimensional front view structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the fixing frame of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the sponge block of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the movable column of this utility model;

[0022] Figure 5 This is a schematic diagram of the connecting pipe of this utility model.

[0023] Reference numerals in the attached drawings: 1. Fixing frame; 2. Adjusting block; 3. Adjusting mechanism; 301. Movable column; 302. Insert rod; 4. Insertion hole; 5. Rotating block; 6. Connecting tube; 7. Microphone; 8. Sponge block; 9. Sliding groove. Detailed Implementation

[0024] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0025] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1-2 As shown, this utility model embodiment provides a headband-style megaphone with a flexible protective structure, including a fixed frame 1. An adjusting block 2 is movably connected inside the fixed frame 1. An adjusting mechanism 3 is provided on the outside of the adjusting block 2. The adjusting mechanism 3 includes a movable column 301 and a plug rod 302. The bottom of the movable column 301 is fixedly connected to the top of the adjusting block 2. The inner side of the plug rod 302 extends through the fixed frame 1 into the interior of the movable column 301. A socket 4 is opened on the surface of the movable column 301. The inner side of the plug rod 302 is movably connected to the interior of the socket 4.

[0028] The tension can be adjusted according to different head shapes when worn by different people, improving the applicability of the device. The insertion hole 4 makes it convenient for staff to fix the adjusted bracket 1 to prevent loosening.

[0029] Example 2

[0030] like Figure 3-5 As shown, in one embodiment, a rotating block 5 is movably connected to the outer side of the adjusting block 2, a connecting tube 6 is fixedly connected to the bottom of the rotating block 5, a microphone 7 is fixedly connected to the inner side of the connecting tube 6, the connecting tube 6 is made of spring tube, the connecting tube 6 can be freely bent, the surface of the fixing frame 1 is covered with artificial leather, a sponge block 8 is fixedly connected to the inner side of the fixing frame 1, a sliding groove 9 is opened inside the fixing frame 1, and the top of the movable column 301 is movably connected to the inside of the sliding groove 9.

[0031] The use of sponge blocks 8 and artificial leather enhances comfort and protects the head of the user. The connection tube 6 allows for adjustment of the microphone 7 position to suit different users.

[0032] When this utility model is in operation: First, pull out the insert rod 302 to adjust the length of the fixing frame 1. When it is adjusted to a suitable position, reinsert the insert rod 302 so that it is inserted into the slot to fix the length of the fixing frame 1. Rotate the rotating block 5, which drives the connecting tube 6 to rotate. The connecting tube 6 drives the microphone 7 to rotate. The user can directly bend the connecting tube 6 to adjust the position of the microphone 7. When wearing it, the sponge block 8 contacts the head to protect the head and improve comfort.

[0033] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A headband-style loudspeaker with a flexible protective structure, comprising a mounting frame (1), characterized in that: An adjusting block (2) is movably connected inside the fixed frame (1). An adjusting mechanism (3) is provided on the outside of the adjusting block (2). The adjusting mechanism (3) includes a movable column (301) and a plug rod (302). The bottom of the movable column (301) is fixedly connected to the top of the adjusting block (2). The inner side of the plug rod (302) extends through the fixed frame (1) into the interior of the movable column (301).

2. A head-mounted megaphone with a flexible protective structure according to claim 1, characterized in that: The surface of the movable column (301) is provided with a socket (4), and the inner side of the plug rod (302) is movably connected to the inside of the socket (4).

3. A head-mounted megaphone with a flexible protective structure according to claim 1, characterized in that: The outer side of the adjusting block (2) is movably connected to a rotating block (5), the bottom of the rotating block (5) is fixedly connected to a connecting tube (6), and the inner side of the connecting tube (6) is fixedly connected to a microphone (7).

4. A head-mounted megaphone with a flexible protective structure according to claim 3, characterized in that: The connecting pipe (6) is made of spring tube and can be bent freely.

5. A head-mounted megaphone with a flexible protective structure according to claim 1, characterized in that: The surface of the fixing frame (1) is covered with artificial leather, and a sponge block (8) is fixedly connected to the inner side of the fixing frame (1).

6. A head-mounted megaphone with a flexible protective structure according to claim 1, characterized in that: The fixed frame (1) has a sliding groove (9) inside, and the top of the movable column (301) is movably connected to the inside of the sliding groove (9).