Card macro drum capable of being changed into Bongoo drum

Abstract

A Card macro drum of a variable Bongoo drum comprises a drum box, a drum face and a snare assembly, the side wall of the drum box is provided with limiting hollowed-out parts in an opposite mode, the two ends of the snare assembly are provided with guide sliding columns, and the guide sliding columns are contained in the limiting hollowed-out parts respectively; the limiting hollowed-out part is provided with a first restraining position close to the drum head and a second restraining position away from the drum head, the snare assembly is attached to the drum head when the guide sliding column is contained in the first restraining position, and the snare assembly is away from the drum head when the guide sliding column is contained in the second restraining position. The device is convenient to operate, and parts do not need to be additionally added and disassembled when the two states of the Card macro drum and the Bongoo drum are switched.

Description

Technical Field

[0001] The utility model relates to the field of percussion instruments, in particular to a cajon drum which is a variable bongo drum. Background Art

[0002] The difference between the bongo drum and the cajon drum lies in their timbre. The cajon drum has a timbre close to that of a snare drum because the cajon drum has a snare device inside that is in contact with the drumhead. The snare device vibrates along with the drumhead, and the final timbre produced is a cajon drum sound similar to that of a snare drum.

[0003] Currently, there is also a method based on the bongo drum, which increases the playability of the bongo drum by adding an additional snare device to the bongo drum to transform the bongo drum into a cajon drum. The method of adding an additional snare device is complicated to operate, and the snare device must be carried around for installation and removal. The solution of transforming the cajon drum into the bongo drum needs to be optimized to make the device more convenient to use. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the present invention is to provide a cajon drum that can be changed into a bongo drum. The device is easy to operate and does not require additional addition or removal of parts when switching between the two states of cajon drum and bongo drum.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A cajon drum of a variable bongo drum type comprises a drum box, a drumhead, and a snare assembly. The side walls of the drum box are provided with limited position hollows in a relative manner. Guide slides are provided at both ends of the snare assembly, and the guide slides are respectively accommodated in the limited position hollows.

[0007] The limiting hollow is provided with a first restraining position close to the drum surface and a second restraining position away from the drum surface. When the guide slide is accommodated in the first restraining position, the snare assembly is attached to the drum surface. When the guide slide is accommodated in the second restraining position, the snare assembly is away from the drum surface.

[0008] Preferably, it further comprises an elastic traction member, one end of which is fixed to the inner wall of the drum box, and the other end of which is fixed to the snare assembly.

[0009] Preferably, the snare assembly comprises a base plate, a snare and a flexible string support member;

[0010] The base plate is provided with a snare string mounting seat protruding from the direction close to the drum surface, and the two ends of the multiple snare strings are respectively mounted on the two snare string mounting seats;

[0011] A through hole is formed in the middle of the base plate, and the flexible string support member is accommodated in the through hole. The flexible string support member supports the snare string at one end thereof facing the snare string.

[0012] The guide slide columns are respectively fixed to both ends of the base plate.

[0013] Preferably, the first restraining position is a vertical segment, and the second restraining position is a horizontal segment;

[0014] The upper end of the vertical section is communicated with an end of the horizontal section close to the drum surface.

[0015] Preferably, the flexible string-staying member is sponge, the flexible string-staying member is a conical structure, and the large end portion of the flexible string-staying member faces the snare string.

[0016] Preferably, a supporting sponge is provided between the snare string and the base plate, and the supporting sponge is in contact with the snare string.

[0017] One of the above technical solutions includes the following beneficial effects: because the direct difference in sound effects between the cajon and the bongo lies in whether the snares resonate and sound, the sound produced when the snare assembly resonates with the drum surface is the cajon, and the sound produced when the drum surface vibrates but does not drive the snares to sound is the bongo. In this solution, the guide slide of the snare assembly is movably installed in the limited hollow space, and by changing the position of the snare assembly, the snare assembly is moved closer to or away from the drum surface, thereby achieving the effect of switching the sound state of the cajon. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0020] Figure 3 This is a schematic structural diagram of a snare assembly according to an embodiment of the present invention;

[0021] Figure 4 It is a cross-sectional schematic diagram of a snare assembly according to an embodiment of the present invention.

[0022] Among them: drum box 100, limiting hollow 110, drum head 200, snare assembly 300, base plate 310, snare mounting seat 311, snare 320, flexible string support member 330, guide slide 340, elastic traction member 400. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] like Figure 1-4As shown, a cajon drum of a variable bongo drum comprises a drum case 100, a drumhead 200, and a snare assembly 300. The side walls of the drum case 100 are provided with limited position hollows 110 in a relative manner. Guide slides 340 are provided at both ends of the snare assembly 300. The guide slides 340 are respectively accommodated in the limited position hollows 110.

[0025] The limiting hollow 110 is provided with a first restraining position close to the drum surface 200 and a second restraining position away from the drum surface 200. When the guide slide 340 is accommodated in the first restraining position, the snare assembly 300 is attached to the drum surface 200. When the guide slide 340 is accommodated in the second restraining position, the snare assembly 300 is away from the drum surface 200.

[0026] Because the direct difference in sound effects between the cajon and the bongo drum lies in whether the snare 320 resonates and makes a sound. When the snare assembly 300 resonates with the drum head 200, the sound produced is the cajon, and when the drum head 200 vibrates but does not drive the snare 320 to make a sound, it is the bongo. In this solution, the guide slide 340 of the snare assembly 300 is movably installed in the limiting hollow 110. By changing the position of the snare assembly 300, the snare assembly 300 can be made close to or away from the drum head 200, thereby achieving the effect of switching the sound state of the cajon drum.

[0027] It also includes an elastic traction member 400, one end of which is fixed to the inner wall of the drum box 100, and the other end is fixed to the snare assembly 300.

[0028] The elastic traction member 400 is used to constrain the snare assembly 300 to prevent the snare 320 from changing position due to vibration.

[0029] The snare assembly 300 includes a base plate 310, a snare 320 and a flexible string support 330;

[0030] The base plate 310 is provided with a snare mounting seat 311 protruding toward the drumhead 200, and the two ends of the multiple snare strings 320 are respectively mounted on the two snare mounting seats 311;

[0031] A through hole is formed in the middle of the base plate 310 , and the flexible string support member 330 is received in the through hole. The flexible string support member 330 supports the snare string 320 at one end thereof facing the snare string 320 .

[0032] The guide slides 340 are respectively fixed to both ends of the base plate 310 .

[0033] The snare 320 is mounted on the base plate 310 and is supported outward by the flexible string support member 330. The fit between the snare 320 and the drum head 200 can be further adjusted, and the tightness of the snare 320 can be changed to change the vibration frequency.

[0034] Wherein, the first restraint position is a vertical segment, and the second restraint position is a horizontal segment;

[0035] The upper end of the vertical section is connected to an end of the horizontal section close to the drumhead 200 .

[0036] The horizontal section cooperates with the elastic traction member 400 to pull the snare assembly 300 to the end of the horizontal section away from the drumhead 200, and the snare assembly 300 moves to the vertical section. Since the vertical section has no horizontal freedom, it is not affected by the elastic traction member 400.

[0037] The flexible string support member 330 is sponge and has a conical structure. The large end of the flexible string support member 300 faces the snare 320 .

[0038] Because the flexible string support member 300 is flexible, it is easy to install in the through hole; furthermore, when the drumhead is struck, the force applied to the snare string 320 will be transmitted to the flexible string support member 300, and the conical structure can prevent the flexible string support member 300 from slipping out of the through hole under slight force.

[0039] A supporting sponge is provided between the snare string 320 and the base plate 310 , and the supporting sponge is in contact with the snare string 320 .

[0040] The function of the supporting sponge is to contact the snare string 320 and reduce the noise caused by excessive vibration of the snare string 320.

[0041] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific implementations of the present invention without inventive effort, and such implementations will fall within the scope of protection of the present invention.

Claims

1. A cajon drum of a variable bongo drum, comprising a drum box, a drum head and a snare assembly, characterized in that: The side walls of the drum box are provided with limited position hollows in a relative manner, and guide slides are provided at both ends of the snare assembly, and the guide slides are respectively accommodated in the limited position hollows; The limiting hollow is provided with a first restraining position close to the drum surface and a second restraining position away from the drum surface. When the guide slide is accommodated in the first restraining position, the snare assembly is attached to the drum surface. When the guide slide is accommodated in the second restraining position, the snare assembly is away from the drum surface.

2. The variable bongo cajon according to claim 1, characterized in that: It also includes an elastic traction member, one end of which is fixed to the inner wall of the drum box, and the other end is fixed to the snare assembly.

3. The variable bongo cajon according to claim 1, characterized in that: The snare assembly includes a base plate, a snare and a flexible string support member; The base plate is provided with a snare string mounting seat protruding from the direction close to the drum surface, and the two ends of the multiple snare strings are respectively mounted on the two snare string mounting seats; A through hole is formed in the middle of the base plate, and the flexible string support member is accommodated in the through hole. The flexible string support member supports the snare string at one end thereof facing the snare string. The guide slide columns are respectively fixed to both ends of the base plate.

4. The variable bongo cajon according to claim 3, characterized in that: The first restraining position is a vertical segment, and the second restraining position is a horizontal segment; The upper end of the vertical section is communicated with an end of the horizontal section close to the drum surface.

5. The variable bongo cajon according to claim 4, characterized in that: The flexible string-supporting member is sponge and has a conical structure, and the large end of the flexible string-supporting member faces the snare string.

6. The variable bongo cajon according to claim 5, characterized in that: A supporting sponge is provided between the snare string and the base plate, and the supporting sponge contacts the snare string.

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