Four-hole eight-tone children's harmonica
By designing a four-hole, eight-tone children's harmonica, using plastic material and snap-fit connections, and optimizing the blowhole and sound hole, the problem of sound leakage caused by the small distance between the blowholes of children's harmonicas is solved, achieving the effect of easy sound production for children and simple structure for easy assembly and disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGYIN WENHUI TRADING CO LTD
- Filing Date
- 2024-07-01
- Publication Date
- 2026-06-30
AI Technical Summary
Conventional harmonicas have small gaps between the blowholes, which can easily cause children to mispronounce notes when they first start learning. They are also made of metal plates with screws, and have sharp edges, making them unsuitable for children's early learning.
This four-hole, eight-tone children's harmonica is designed with plastic material, featuring a large distance between the blowholes, a rounded structure, and easy sound production from the reeds. It uses a snap-fit connection and a screwless structure, with a blowhole distance of no less than 1.4cm, a fixed reed plate that does not shift, and an optimized sound hole design.
It makes it easy for children to pronounce, reduces mispronunciation and noise, and has a simple structure that is easy to assemble and disassemble, making it suitable for children's early learning.
Smart Images
Figure CN224437154U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of children's musical instruments and toys, and in particular to a four-hole, eight-tone children's harmonica for beginners. Background Technology
[0002] The harmonica, a small wind instrument, produces sound by blowing or inhaling, making it easy to learn and a suitable toy for children's musical education. However, conventional harmonicas have small holes, which can cause children to mispronounce notes when learning. They are also often made of metal plates with screws, resulting in sharp edges that are difficult for children to grip and require more effort to play. Therefore, they are not suitable for children's early musical education. Utility Model Content
[0003] To address the problems existing in the prior art, this utility model provides a four-hole, eight-tone children's harmonica. It is small and lightweight, with a large distance between the blowholes, which does not require precise embouchure. It has a detachable, screwless structure, and the reeds produce sound easily, making it suitable for children's early learning.
[0004] To achieve the above objectives, the present invention provides the following technical solution:
[0005] The four-hole, eight-tone children's harmonica includes a reed plate, a plastic case, and a cover plate. The reed plate is placed inside the case, and the cover plate is snapped onto the top opening of the case. There are four blow holes spaced apart on the front of the case, with a distance of no less than 1.4cm between them. Each blow hole corresponds to two notes being blown and drawn on the reed plate. There is a sound hole on the back of the case.
[0006] A further improvement is that the front surface of the instrument case is an arc surface, and the edges and corners of the instrument case and cover plate are all rounded transition surfaces. This makes it smooth and non-slip to the touch.
[0007] A further improvement involves providing support platforms on the front and rear sides of the bottom wall inside the guitar case, with two vertical retaining ribs on the rear wall. A notch is cut at the rear of the reed plate, allowing the front and rear edges of the reed plate to rest on the support platforms, with the sides of the notch engaging with the outer sides of the vertical retaining ribs. This fixes the reed plate in a fixed position within the guitar case.
[0008] A further improvement is to provide a vertical abutment on the rear wall between the two vertical supports inside the instrument case, with the vertical abutment abutting against the inner edge of the reed plate notch, and a base support on the bottom wall inside the instrument case at the corresponding position of each blowhole.
[0009] A further improvement is to create a sound hole on the back of the instrument case, directly opposite the reed. This ensures unobstructed sound output and better sound quality.
[0010] A further improvement is to also open sound holes at the corners of the back of the instrument case facing both sides.
[0011] A further improvement is that a latch is provided at the middle of the rear side of the inner wall of the cover plate, and the latch engages with the sound hole on the back of the guitar shell. Pressing the latch separates the guitar shell from the cover plate, making disassembly and assembly convenient.
[0012] A further improvement is to provide pressure posts at intervals on the inner wall of the cover plate, with the bottom ends of the pressure posts pressing against the spring plate.
[0013] A further improvement is to install pressure posts at both ends of the rear side of the inner wall of the cover plate, with the bottom ends of the pressure posts pressing against the inner support platform of the piano shell. This makes the structure more stable.
[0014] A further improvement is that two elongated holes are made on the reed plate corresponding to the blowhole position of a piano shell. A blowing reed is provided on the lower surface of one elongated hole, and a sound-absorbing reed is provided on the upper surface of the other elongated hole. The free ends of the two reeds face the back of the piano shell. Beneficial effects
[0015] This harmonica has four holes and eight notes, with each hole producing one note through blowing and drawing. It covers eight notes: do, re, mi, fa, so, la, xi, and high do, forming an octave, satisfying basic sound requirements. Compact in size, it is made of lightweight, rounded plastic. The large mouthpiece allows for easy sound production from the reeds, and the wide spacing between the holes minimizes the risk of wrong notes and unwanted noise. It requires minimal embouchure and is suitable for children learning to play. The harmonica body is a single piece, with the cover and shell snapped together without screws, resulting in a simple and quick-release design. Attached Figure Description
[0016] Figure 1 This is a top view of the present invention;
[0017] Figure 2 This is a top view of the piano case of this utility model;
[0018] Figure 3 This is a left view of the piano case of this utility model;
[0019] Figure 4 This is a schematic diagram of the inner surface of the cover plate of this utility model;
[0020] Figure 5 This is a schematic diagram of the spring plate of this utility model. Detailed Implementation
[0021] like Figures 1 to 5 As shown, this utility model includes a reed plate 1 and a plastic guitar shell 2 and a cover plate 3. The reed plate 1 is inserted into the guitar shell 2, and the cover plate 3 is snapped onto the upper opening of the guitar shell 2. Four blowholes 21 are spaced apart on the front of the guitar shell 2, with a width of 8.6 cm and a spacing of no less than 1.4 cm between the blowholes 21. Each blowhole 21 corresponds to two notes being blown or drawn on the reed plate. A sound hole 22 is opened on the back of the guitar shell 2 directly opposite the reed position, and sound holes 22 are also opened at the corners of the back of the guitar shell 2 towards the sides. The front of the guitar shell 2 is an arc surface 23 with a radius of 4.8 cm. The corners of the guitar shell 2 and the cover plate 3 are all rounded transition surfaces.
[0022] Specifically, the inner bottom wall of the guitar shell 2 has a support platform 24 on its front and rear sides, and a base support 27 on the inner bottom wall of the guitar shell at the corresponding positions of each blowhole. Two vertical baffles 25 are provided on the rear wall of the guitar shell, and a vertical abutment 26 is provided on the rear wall between the two vertical baffles 25. A notch 11 is opened at the rear side of the reed plate 1, and the front and rear sides of the reed plate 1 rest on the support platform 24. The two sides of the notch 11 are secured to the outside of the vertical baffles 25, and the vertical abutment 26 abuts against the inner edge of the notch 11. A buckle 31 is provided in the middle of the rear side of the inner wall of the cover plate 3, and the buckle 31 is secured to the sound hole 22 on the back of the guitar shell. Pressure posts 32 are spaced out at intervals in the middle of the inner wall of the cover plate 3, and the bottom ends of the pressure posts 32 press against the reed plate 1. Pressure posts 32 are provided at both ends of the rear side of the inner wall of the cover plate 3, and the bottom ends of the pressure posts 32 press against the support platform 24 inside the guitar shell.
[0023] The reed plate 1 has two elongated holes 12 corresponding to the blowhole position of a piano shell. A blow reed is provided on the lower surface of one elongated hole, and a sound-absorbing reed 13 is provided on the upper surface of the other elongated hole. The free ends of the two reeds face the back of the piano shell.
[0024] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A four-hole eight-tone children's introductory harmonica, characterized in that: The instrument includes a reed plate (1), a plastic case (2), and a cover plate (3). The reed plate (1) is placed inside the case (2), and the cover plate (3) is fastened to the upper opening of the case (2). Four blow holes (21) are opened at intervals on the front of the case (2). The distance between the blow holes (21) is not less than 1.4cm. Each blow hole (21) corresponds to two notes blown and drawn on the reed plate. A sound hole (22) is opened on the back of the case (2).
2. The four-hole eight-tone child initiation mouth organ of claim 1, wherein: The front of the piano shell (2) is an arc surface (23), and the corners of the piano shell (2) and the cover plate (3) are smooth transition surfaces.
3. The four-hole eight-tone child initiation mouth organ of claim 1, wherein: The inner bottom wall of the piano shell (2) is provided with a support platform (24) at the front and rear sides, and two vertical baffles (25) are provided on the rear wall. The spring plate (1) has a notch (11) at the rear side. The front and rear sides of the spring plate (1) are placed on the support platform (24), and the two sides of the notch (11) are stuck on the outside of the vertical baffles (25).
4. The four-hole eight-voice children's educational mouth organ of claim 3, wherein: A vertical abutment (26) is provided on the rear wall between the two vertical baffles (25) inside the piano shell. The vertical abutment (26) abuts against the inner edge of the spring plate notch (11). A base support (27) is provided on the bottom wall inside the piano shell at the corresponding position of each blowhole.
5. The four-hole eight-tone child initiation mouth organ of claim 1, wherein: The sound hole (22) is opened on the back of the piano shell (2) opposite the position of the reed.
6. The four-hole eight-voice children's educational mouth organ of claim 5, wherein: The back of the piano shell (2) also has sound holes (22) at the corners on both sides.
7. The four-hole, eight-tone children's harmonica according to claim 1, characterized in that: The cover plate (3) has a buckle (31) at the middle of the rear side of the inner wall, and the buckle (31) is attached to the sound hole (22) on the back of the piano shell.
8. The four-hole eight-voice child education mouth organ according to claim 2, characterized in that: The inner wall of the cover plate (3) is provided with a pressure column (32) at intervals in the middle position, and the bottom end of the pressure column (32) presses on the spring plate (1).
9. The four-hole eight-voice children's educational mouth organ of claim 8, wherein: The cover plate (3) has pressure posts (32) at both ends of the rear side of the inner wall, and the bottom end of the pressure posts (32) presses on the inner support (24) of the piano shell.
10. The four-hole, eight-tone children's harmonica according to claim 1, characterized in that: The reed plate (1) has two elongated holes (12) corresponding to the blowhole position of a piano shell. One elongated hole has a blow reed on its lower surface and a sound-absorbing reed (13) on its upper surface. The free ends of the two reeds face the back of the piano shell.