WO2020113629A1

WO2020113629A1 - New cajon box drum

Info

Publication number: WO2020113629A1
Application number: PCT/CN2018/120466
Authority: WO
Inventors: 罗有航
Original assignee: 江苏沃格瑞特乐器制造有限公司
Priority date: 2018-12-05
Filing date: 2018-12-12
Publication date: 2020-06-11
Also published as: CN109360542A

Abstract

Disclosed is a cajon box drum, comprising a box body (1), wherein a front side of the box body (1) is provided with a sound making hole (2), and the box body (1) is internally provided with a sound making device (3) and fixing bars (4) used for fixing the sound making device (3); the sound making device (3) comprises a sound making bar (5), and a baffle plate I (6) used for cooperating with the sound making hole (2); a baffle plate II (7) and a baffle plate III (8) capable of being folded are arranged on two sides of the baffle plate I (6), and a mounting plate (9) used for mounting of the sound making bar (5) is arranged on the baffle plate II (7); a baffle plate IV (10) capable of being folded is arranged above the sound making device (3), a snapping hole I (12) and a snapping hole II (13) are respectively provided on two sides of the baffle plate IV (10), and when the baffle plate IV (10) is folded, the snapping hole I (12) and the snapping hole II (13) coincide; grooves (14) are provided at an upper portion of a folded position of the baffle plate IV (10); covering plates (11) are arranged above the baffle plate IV (10), the covering plates (11) are configured in an L-shaped structure, and a cover plate is provided on an outer side of the covering plates (11); and the sound making bar (5) is tightly attached to the box body (1). The cajon box drum can stimulate children's interest in studying music, and can be combined with drawing.

Description

A new type of Kahong drum

Technical field

The invention relates to a musical instrument, in particular to a new Kahong drum.

Background technique

The kahong drum is a slap on the surface of the box to produce a pleasant sound, which delights people's body and mind; the kahong drum in the prior art usually has the following problems: 1. The current cost of the kahong drum is very high It is difficult to popularize the Kahong drum for children and adolescents. The cost of learning Kahong drums for children is very high. This paper Kahong drum can reduce the cost of learning Kahong drums for children; 2. The internal structure of Kahong drums is unstable, resulting in The use effect of Kahong drum is not good; 3. The box body is integrally formed. When there is a problem with the box body, it is inconvenient to disassemble it, which brings inconvenience to people; therefore, a new Kahong drum with excellent performance has become an urgent problem to be solved in the whole society The problem.

Summary of the invention

The technical problem to be solved by the present invention is that the structure of the kahong drum in the prior art is unstable, the use effect is not good, the box body is integrally formed, and it is inconvenient to disassemble and repair.

In order to solve the above technical problems, the technical solution provided by the present invention is: a new type of Kahong drum, including a box body, a sound hole is provided on the front side of the box body, and a sound pronunciation device and a A fixing bar for fixing the pronunciation device, the pronunciation device includes a sound bar, a baffle one for matching with a sound hole of the box body, and a baffle two and a baffle three on both sides of the baffle one can be folded, so The baffle plate 2 is provided with a mounting plate for installing a sound bar, and a baffle plate 4 that can be folded is provided above the pronunciation device, and two sides of the baffle plate 4 are respectively provided with an engaging hole 1 and an engaging hole two When the baffle four is folded, the engaging hole one and the engaging hole are coincident. The folding place of the baffle four is provided with a groove, and a cover plywood is provided above the baffle four. The L-shaped structure is provided, a cover plate is provided on the outer side of the cover plywood, the sound bar is closely attached to the box body, and the Kahong drum is foldable, all made of cardboard. The invention matches the clever position of the sound bar with the pronunciation device, so that the edge of the sound device matches with the corners of the box body, so that the internal structure of the Kahong drum is stable. When used, the sound effect is stable and the body and mind are pleasant.

Further, the groove is a groove suitable for finger engagement, and a circular depression is provided at the center of the groove, which is convenient to open by hand and has a reasonable structure.

Further, the engaging hole 1 and the engaging hole 2 are arranged in an elongated oval structure.

Further, the cover plywood is provided with two groups. When cooperating with each other, there is a gap between the cover plywood. When the cover is closed, the gap coincides with the groove.

Further, a box cover is provided above the box body, and a symmetrical clamping member is provided at an edge of the box cover. The clamping member is fixed by a groove, and is used for closing the box body, and the box body is closed and stable.

Further, the sound bar is fixed on the mounting plate by a nut, the installation is stable, and the structure cost is low.

Further, a crease one is provided on the baffle two, a crease two is provided on the baffle two, a crease three and a crease four are provided on both sides of the fixing bar, and the crease one is The crease three is installed in coordination, and the crease two and the crease four are installed in cooperation. The clever position design is reasonable and stable.

Further, the pronunciation phrases are evenly set, and the pronunciation effects of evenly distributed pronunciation phrases are uniform and stable.

Further, the baffle one is provided with a circular hole of the same size as the sounding hole.

The advantages of the invention compared with the prior art are: a novel kahong drum of the present invention effectively solves the problems in the prior art, and has the advantages of stable structure and excellent performance; the present invention cleverly uses the fixing bar and the pronunciation device The coordination of positions makes the internal structure of Kahong drum stable, and when used, the pronunciation effect is stable and the body and mind are pleasant. The internal structure of the invention is movably connected, convenient for disassembly and simple in structure; it can be used by people of different ages and has a wide range of application; the Kahong drum is made of cardboard and has a low cost; the Kahong drum can be folded for easy portability; Kahong The drum can be DIY, with colored pens, and you can design the drawing patterns yourself, and the children can design the patterns on the surface of the Kahong drums and draw themselves. The invention has low production cost and strong practicability, and is suitable for promotion and use in the society.

BRIEF DESCRIPTION

Figure 1 is an outline view of a new type of Kahong drum of the present invention;

2 is a schematic structural view of the opening of the top cover of a new Kahong drum of the present invention;

3 is a schematic structural view of the opening of a new type of Kahong drum top cover plywood of the present invention;

4 is a schematic structural diagram of a pronunciation device;

Figure 5 is a schematic diagram of the structure of the fixing bar;

FIG. 6 is a schematic diagram of the internal structure of a new Kahong drum of the present invention.

As shown in the figure: 1, box, 2, sound hole, 3, sound device, 4, fixed bar, 5, sound bar, 6, baffle one, 7, baffle two, 8, baffle three, 9, Mounting plate, 10, baffle four, 11, cover plywood, 12, engaging hole one, 13, engaging hole two, 14, groove, 15, box cover, 16, clamping piece, 17, crease one, 18 , Crease two, 19, Crease three, 20, Crease four, 21, Round hole.

detailed description

The present invention will be further described in detail below with reference to the drawings.

The present invention will be described in detail with reference to Figures 1-6.

In the specific implementation of the present invention, a new Kahong drum is provided, which includes a box body 1, a sounding hole 2 is provided on the front side of the box body 1, a sounding device 3 is provided inside the box body 1 for fixing A fixing bar 4 of the pronunciation device 3, the pronunciation device 3 includes a sound bar 5, a baffle one 6 used for matching with the sound hole 2 of the box body, and a baffle b 7 and the baffle three 8, the baffle two 7 is provided with a mounting plate 9 for installing the sound bar 5, the baffle four 10 can be folded above the sound device 3, the baffle four 10 The two sides are respectively provided with an engagement hole 12 and an engagement hole 2 13. When the baffle 4 10 is folded, the engagement hole 1 12 and the engagement hole 2 are overlapped. The folding place of the baffle 4 10 is provided above The groove 14 is provided with a cover plywood 11 above the baffle four 10, the cover plywood 11 is provided in an L-shaped structure, a cover plate 12 is provided on the outside of the cover plywood 11, and the pronunciation bar 5 is closely attached to the box Body 1, the Kahong drums are foldable and are all made of cardboard.

The groove 14 is a groove suitable for buckling with fingers, and a circular depression is provided at the center of the groove. The engaging hole one 12 and the engaging hole two 13 are arranged in an elongated oval structure. The cover plate 11 is provided with two groups. When cooperating with each other, there is a gap between the cover plates 11. When the cover is closed, the gap coincides with the groove 14. A box cover 15 is provided above the box body 1, and a symmetrical clamping member 16 is provided at an edge of the box body 15. The clamping member 16 is fixed by a groove 14 for closing the box body 1. The sound bar 5 is fixed on the mounting plate 9 by nuts. The baffle two 7 is provided with a crease one 17; the baffle two 8 is provided with a crease two 18; the two sides of the fixing bar 4 are provided with a crease three 19 and a fold four 20. The crease one 17 cooperates with the crease three 19 to install, and the crease two 18 cooperates with the crease four 20 to install. The pronunciation bar 5 is evenly set. The baffle one 6 is provided with a circular hole 21 of the same size as the sounding hole 2.

The specific implementation process of a new Kahong drum of the present invention is as follows: when a new Kahong drum of the present invention is used, a fold line 17 is provided on the baffle plate 2 and a fold line 18 is provided on the baffle plate 2 Both sides of the fixing bar 4 are provided with crease three 19 and crease four 20, crease one 17 cooperates with the crease three 19 to install, the crease two 18 cooperates with the crease four 20 to install, and the pronunciation device 3 is blocked above The board 4 10 is placed on a horizontal surface, and the cover plywood 11 is closed, and the box cover 15 is closed, and the installation is completed. By tapping the outside of the cabinet 1 with the palm of the hand, the cabinet 1 transmits the vibration generated by the hand tapping to the sound bar 5, and the sound bar 5 vibrates to produce a pleasant sound, which is transmitted through the round hole 21 and the sound hole 2; The structure is simple and stable, and the internal structure will not be damaged due to excessive slap force; the box 1 can be opened above, the pronunciation device 3 and the fixing bar 4 can be detached, the kahong drum can be DIY, with a color pen, you can design the drawing pattern yourself Kahong drum is made of cardboard, which has low cost, flexibility and convenience; the production cost of the invention is low, the application range is wide, and it is suitable for promotion and use in society.

The present invention and its embodiments have been described above. This description is not limiting, and the drawings shown are only one of the embodiments of the present invention, and the actual structure is not limited thereto. To sum up, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the invention, a structural method and an embodiment similar to the technical solution without creative design shall fall within the protection scope of the invention.

Claims

A new Kahong drum is characterized by comprising a box body (1), a sounding hole (2) is provided on the front side of the box body (1), and a sounding device is provided inside the box body (1) ( 3) and a fixing bar (4) for fixing the pronunciation device (3), the pronunciation device (3) includes a sound bar (5), a baffle one (6) for cooperating with the sound hole (2) of the box , Both sides of the baffle one (6) are provided with a foldable baffle two (7) and a baffle three (8), and the baffle two (7) is provided with a sound bar (5) for installation A mounting plate (9), a folding baffle four (10) is provided above the pronunciation device (3), and two sides of the baffle four (10) are respectively provided with an engaging hole one (12) and a card Closing hole two (13), when the baffle four (10) is folded, the engaging hole one (12) and the engaging hole two (13) coincide, and a groove is provided above the folding position of the baffle four (10) (14), a cover plywood (11) is provided above the baffle four (10), the cover plywood (11) is provided in an L-shaped structure, and a cover plate (12) is provided outside the cover plywood (11) ), the sound bar (5) is close to the box (1), the Kahong drum is foldable, and all are made of cardboard.
A new Kahong drum according to claim 1, characterized in that the groove (14) is a groove suitable for finger engagement, and the center of the groove is provided with a circular depression.
The new Kahong drum according to claim 1, characterized in that the engaging hole one (12) and the engaging hole two (13) are arranged in an elongated oval structure.
A new Kahong drum according to claim 1, characterized in that: the cover plywood (11) is provided with two groups, when cooperating with each other, there is a gap between the cover plywood (11), when closed, The spacing coincides with the groove (14).
A new Kahong drum according to claim 1, characterized in that: a box cover (15) is provided above the box body (1), and a symmetrical set is provided at the edge of the box cover (15) A clamping member (16), which is fixed by a groove (14) and used for closing the box (1).
A new Kahong drum according to claim 1, characterized in that the sound bar (5) is fixed on the mounting plate (9) by nuts.
A new kahong drum according to claim 1, characterized in that: a fold 1 (17) is provided on the baffle two (7), and a fold 2 is provided on the baffle two (8) (18), two sides of the fixing strip (4) are provided with a fold three (19) and a fold four (20), the fold one (17) and the fold three (19) are installed in cooperation, the Crease two (18) is installed in conjunction with crease four (20).
A new Kahong drum according to claim 6, characterized in that the sound bar (5) is evenly arranged.
A new Kahong drum according to claim 1, characterized in that: the baffle one (6) is provided with a circular hole (21) of the same size as the sounding hole (2).