Foldable drum

Abstract

The utility model belongs to the field of drums, and particularly relates to a foldable drum which comprises a drum surface and a drum body. A folding structure is arranged on the drum body, the folding structure is a bending position when the drum body is folded, the drum body can be folded or unfolded through the folding structure, the drum body can support the drum surface when the drum body is unfolded, and the volume of the drum body when the drum body is folded is smaller than that of the drum body when the drum body is unfolded. According to the foldable drum provided by the utility model, the problem that the use scene is limited due to large volume and inconvenience in carrying of the traditional drum instrument is solved, the drum is foldable, and the volume of the folded drum body is smaller than that of the unfolded drum body, so that the foldable drum is convenient to carry, and the requirements of various occasions such as outdoor performance and small party are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the drum field, specifically relates to a foldable drum. BACKGROUND

[0002] With the diversification of music performance form and the improvement of portability demand, the traditional drum type musical instrument is limited in use scene because of its bulky size and inconvenience for carrying. CONTENT

[0003] The utility model solves the technical problem to provide a foldable drum with simple structure and convenient storage.

[0004] The utility model provides a foldable drum, including drum surface and drum body,

[0005] The folding structure is the bending position when the drum body is folded, the drum body can be folded or unfolded through the folding structure, the drum body can support the drum surface when unfolded, and the volume of the drum body when folded is smaller than that when unfolded.

[0006] Further, the folding structure is a hinge or a flexible connection structure.

[0007] Further, the drum body forms a resonance cavity with the drum surface when unfolded.

[0008] Further, the foldable drum further includes a pickup device, a drum sound source machine and an amplifier.

[0009] The pickup device is arranged below the drum surface when the drum body is unfolded, is used for obtaining the knocking sound of the drum surface, and generates an electric signal from the knocking sound;

[0010] The drum sound source machine is used for obtaining the electric signal generated by the pickup device and converting it into a corresponding tone signal;

[0011] The amplifier is used for amplifying the tone signal output by the drum sound source machine without distortion.

[0012] Further, the drum surface includes an outer frame and a drum skin arranged in the outer frame.

[0013] The drum body is connected with the outer frame.

[0014] Further, the drum skin includes an outer layer and an inner layer, the outer layer is made of polyester fiber or PVC material, and the inner layer is made of high-density foam or spring structure.

[0015] Further, the drum body includes a rectangular bottom plate and four rectangular side plates arranged at four corners of the rectangular bottom plate, the rectangular side plate and the side edge of the rectangular bottom plate are connected through the folding structure.

[0016] When the drum body is folded, the four rectangular side plates are folded on top of and / or below the rectangular base plate, or the four rectangular side plates and the rectangular base plate are unfolded into a single plane;

[0017] When the drum body is unfolded, the four rectangular side plates are set perpendicular to the rectangular base plate, and the outer frame is erected on the end of the four rectangular side plates away from the rectangular base plate.

[0018] Furthermore, four engaging components are provided at the four corners of one side of the outer frame. Each engaging component includes two right-angled components, which together form a right-angled groove. One end of the right-angled groove is used to engage with the end face of one of the adjacent rectangular side plates, and the other end is used to engage with the end face of another adjacent rectangular side plate.

[0019] Furthermore, a sealing plate is provided on the adjacent side of one of the two adjacent rectangular side plates. When unfolded, the sealing plate can be detachably engaged with the adjacent side of the other rectangular side plate.

[0020] When unfolded, one end of the right-angle groove is used to engage the rectangular side plate and the sealing plate that fit together.

[0021] Furthermore, each side wall of the outer frame is also provided with packing straps;

[0022] When unfolded, the packing strap is detachably and fixedly connected to the corresponding rectangular side plate;

[0023] When the drum body is folded, and the four rectangular side plates are folded on top of and / or below the rectangular base plate, the four packing straps are used to secure the folded drum body.

[0024] The beneficial effect of this utility model is that it provides a foldable drum, which solves the problem that traditional drum instruments are limited in use due to their large size and inconvenience to carry. By making the drum foldable, and the volume of the drum body after folding is smaller than that of the drum body when unfolded, it is convenient to carry and meets the needs of various occasions such as outdoor performances and small gatherings. Attached Figure Description

[0025] Appendix Figure 1 This is a schematic diagram of the structure of the drum body when it is unfolded according to one embodiment of the present invention;

[0026] Appendix Figure 2 This is a schematic diagram of the structure of the drum body when it is unfolded according to one embodiment of the present invention;

[0027] Appendix Figure 3 This is a schematic diagram of the drum body when it is unfolded according to another embodiment of the present invention;

[0028] Appendix Figure 4The main view of the drum body of another embodiment of the utility model when being unfolded;

[0029] The Figure 5 The Figure 4 The A-A direction sectional view of the drum body of another embodiment of the utility model when being folded;

[0030] The Figure 6 The structure schematic view of the drum body of another embodiment of the utility model when being folded in one of the folding modes;

[0031] The Figure 7 The structure schematic view of the drum body of another embodiment of the utility model when being folded in another folding mode.

[0032] In the drawing, 1-drum surface; 11-outer frame; 111-engaging piece; 12-drum skin; 13-packing belt; 2-drum body; 21-rectangular bottom plate; 22-rectangular side plate; 221-sealing plate; 3-folding structure; 4-resonance cavity. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used for explaining the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0035] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0036] In the utility model, unless another definite provision and limitation, the terms "connect", "fix" and the like should be broad sense understanding, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electric connection, still can be physical connection or wireless communication connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two element interiors or the interaction of two elements, unless another definite limitation. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0037] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but it must be based on that ordinary skilled person in the art can realize, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0038] As shown in the accompanying drawings Figure 1 - the accompanying Figure 7 The utility model provides a kind of foldable drum, including drum surface 1 and drum body 2;

[0039] The drum body 2 is provided with folding structure 3, the folding structure 3 is the bending position when drum body 2 is folded, and the drum body 2 can be folded or unfolded by folding structure 3, and the drum body 2 can support the drum surface 1 when unfolded, and the volume of the drum body 2 when folded is less than that when unfolded.

[0040] The utility model provides a kind of foldable drum, solves the problem that traditional drum class musical instrument is limited in use scene due to its bulky, inconvenient to carry, by the foldable of drum, and the volume of drum body 2 after folding is less than that when unfolded, to facilitate carrying, meet the needs of a variety of occasions such as outdoor performance, small party.

[0041] In one embodiment, the folding structure 3 is a hinge or a flexible connection structure, wherein the flexible connection structure can be a crease on an integrally formed plate of the drum body 2. The crease can be formed by using less material than other parts of the plate, or by pressing the material at the crease after integrally forming the flat plate. The flexible connection structure can also be made of flexible material, which connects adjacent two plate bodies of the drum body 2 to form the folding structure 3. The hinge can be any existing type of hinge that can fold adjacent two plate bodies of the drum body 2.

[0042] In one of the embodiments, the drum body 2 forms a resonance cavity 4 with the drum surface 1 when unfolded, that is, the drum body 2 forms a cavity with an opening when unfolded, and the drum surface 1 just seals the opening. In this embodiment, the foldable drum can form a resonance cavity 4 when unfolded, thereby resonating and amplifying the sound generated by striking the drum surface 1. When the drum surface 1 is struck, the vibration is transmitted to the resonance cavity 4, the air in the cavity vibrates to form resonance, thereby enhancing the volume and depth of the sound.

[0043] In one of the embodiments, the foldable drum further comprises a pickup device, a drum sound source machine and an amplifier.

[0044] The pickup device is arranged below the drum surface 1 when the drum body 2 is unfolded, and is used to obtain the striking sound of the drum surface 1 and generate an electrical signal. In the embodiment in which the drum body 2 forms a resonance cavity 4 with the drum surface 1 when unfolded, the pickup device obtains the enhanced sound using the resonance cavity 4, thereby improving the accuracy of sound acquisition.

[0045] The drum sound source machine is used to obtain the electrical signal generated by the pickup device and convert it into a corresponding tone signal.

[0046] The amplifier is used to amplify the tone signal output by the drum sound source machine without distortion.

[0047] The pickup device, the drum sound source machine and the amplifier can be arranged on the drum body 2 or used as independent components. The specific arrangement is selected according to the actual needs. Preferably, the pickup device, the drum sound source machine and the amplifier are arranged on the drum body 2 to ensure the integrity of the foldable drum. In this embodiment, the combination of the pickup device, the drum sound source machine and the amplifier can further amplify the sound when the drum surface 1 is struck, thereby further enhancing the volume and depth of the sound.

[0048] In one of the embodiments, the drum surface 1 comprises an outer frame 11 and a drum skin 12 arranged in the outer frame 11, so as to ensure the tightness of the drum skin 12, provide good rebound force and sound quality, and facilitate the connection between the drum skin 12 and the drum body 2. The drum body 2 is connected with the outer frame 11, avoiding direct connection between the drum skin 12 and the drum body 2, thereby simplifying the connection difficulty and avoiding damage to the drum skin 12. The outer frame 11 and the drum body 2 can be hingedly connected by the folding structure 3, or can be separately arranged. When the outer frame 11 is separately arranged, the outer frame 11 is arranged on the unfolded drum body 2 or is detachably fixed on the unfolded drum body 2 by a detachable fastening structure.

[0049] In one embodiment, the drum skin 12 comprises an outer layer and an inner layer, the outer layer is made of polyester fiber or PVC material, which is a high elasticity and wear-resistant material, and the inner layer is made of high-density foam or spring structure, which can simulate the resonance effect of traditional drum skin and provide ideal rebound force and sound quality.

[0050] In one embodiment, referring to the accompanying drawings Figure 3 - the accompanying drawings Figure 7 The drum body 2 comprises a rectangular bottom plate 21 and four rectangular side plates 22 arranged at the four corners of the rectangular bottom plate 21, and the rectangular side plates 22 are connected to the side edges of the rectangular bottom plate 21 through the folding structure 3.

[0051] When the drum body 2 is folded, the four rectangular side plates 22 are folded on and / or under the rectangular bottom plate 21, at this time, the outer size of the folded drum body 2 is close to the rectangular bottom plate 21, ensuring a compact outer size, and the thickness is the thickness of the rectangular bottom plate 21 plus the thickness of the four rectangular side plates 22, or the four rectangular side plates 22 and the rectangular bottom plate 21 are unfolded into a plane, at this time, the outer shape of the folded drum body 2 is larger, but the thickness is thinner, the above two folding modes can be selected according to the storage or transportation environment, further improving the difficulty of storage or transportation;

[0052] When the drum body 2 is unfolded, the four rectangular side plates 22 are arranged perpendicular to the rectangular bottom plate 21, and the outer frame 11 is arranged at the end of the four rectangular side plates 22 away from the rectangular bottom plate 21, at this time, the foldable drum as a whole is a hollow hexahedron, and the hollow part forms a resonance cavity 4.

[0053] In one embodiment, the outer frame 11 is provided with four clamping pieces 111 at the four corners of one side, the clamping piece 111 comprises two right-angle pieces, which form a right-angle groove, one end of the right-angle groove is used for clamping the end face of one of the adjacent rectangular side plates 22, and the other end is used for clamping the end face of the other adjacent rectangular side plate 22, at this time, the clamping piece 111 of the outer frame 11 can fix and limit the vertical state of the four rectangular side plates 22, so as to ensure the unfolded state of the drum body 2, in this embodiment, the clamping piece 111 is simple and reliable, and each rectangular side plate 22 is fixed and limited by two clamping pieces 111, which can ensure the stability of the fixation.

[0054] In one of the embodiments, the adjacent side of one of the two adjacent rectangular side plates 22 is provided with a sealing plate 221, which is detachably connected with the adjacent side of the other one of the two adjacent rectangular side plates 22 when unfolded, preferably, the sealing plate 221 is connected with the other one of the two adjacent rectangular side plates 22 by magnetic attraction, which simplifies the connection difficulty, the sealing plate 221 can improve the sealing performance of the resonance cavity 4, thereby ensuring the resonance effect, and can also improve the fixing stability of the two adjacent rectangular side plates 22, preferably, the sealing plate 221 is fixedly connected with the rectangular side plate 22 by the folding structure 3, so that the sealing plate 221 can be unfolded and connected with the other one of the two adjacent rectangular side plates 22 or folded and attached to the rectangular side plate 22.

[0055] When unfolded, one end of the right-angle groove is used to clamp the rectangular side plate 22 and the sealing plate 221 which are attached to each other, at this time, the clamping piece 111 is connected with the rectangular side plate 22 and the sealing plate 221, which can further ensure the fixing stability of the sealing plate 221.

[0056] In one of the embodiments, each side wall of the outer frame 11 is further provided with a packing belt 13.

[0057] When unfolded, the packing belt 13 is detachably fixedly connected with the corresponding rectangular side plate 22, at this time, the packing belt 13 and the rectangular side plate 22 can be fixed by magic tape, buckle or button, etc., thereby further improving the connection stability of the drumhead 1 and the drum body 2 when unfolded, and improving the structural stability.

[0058] When the drum body 2 is folded, and the four rectangular side plates 22 are folded on the rectangular bottom plate 21 and / or below the rectangular bottom plate 21, the four packing belts 13 are used to fix the folded drum body 2, at this time, the opposite two packing belts 13 are connected with each other, or the four packing belts 13 are connected with each other, thereby connecting the folded drum body 2 with the drumhead 1, and ensuring the integrity of the foldable drum when folded, wherein the connection mode of the packing belt 13 can adopt knotting, in addition, the folded drum body 2 is directly clamped on the inner right-angle piece, thereby avoiding the drum body 2 from crushing the drum skin 12.

[0059] The above is only one of the embodiments, and does not limit the present application. Any person skilled in the art can make many possible changes, modifications or modifications to the technical solution of the present application without departing from the scope of the technical solution of the present application, and the equivalent embodiments of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall fall within the scope of protection of the technical solution of the present application.

Claims

1. A collapsible drum characterised in that, The drum includes a drumhead (1) and a drum body (2); The drum body (2) is provided with a folding structure (3), which is the bending position when the drum body (2) is folded. The drum body (2) can be folded or unfolded through the folding structure (3). When unfolded, the drum body (2) can support the drumhead (1). When folded, the volume of the drum body (2) is smaller than that when unfolded. It also includes a pickup device, a drum sound source machine and an amplifier. The pickup device is arranged below the drumhead (1) when the drum body (2) is unfolded, used to obtain the knocking sound of the drumhead (1) and generate an electrical signal from the knocking sound. The drum sound source machine is used to obtain the electrical signal generated by the pickup device and convert it into a corresponding tone signal. The amplifier is used to amplify the tone signal output by the drum sound source machine without distortion.

2. The collapsible drum of claim 1 wherein, The folding structure (3) is a hinge or a flexible connection structure.

3. The collapsible drum of claim 1 wherein, When the drum body (2) is unfolded, it forms a resonance cavity (4) with the drumhead (1).

4. A collapsible drum as claimed in any one of claims 1 to 3 wherein, The drumhead (1) includes an outer frame (11) and a drum skin (12) arranged in the outer frame (11). The drum body (2) is connected to the outer frame (11).

5. The collapsible drum of claim 4 wherein, The drum skin (12) includes an outer layer and an inner layer. The outer layer is made of polyester fiber or PVC material, and the inner layer is made of high-density foam or spring structure.

6. The collapsible drum of claim 4 wherein, The drum body (2) includes a rectangular bottom plate (21) and four rectangular side plates (22) arranged at the four corners of the rectangular bottom plate (21). The rectangular side plates (22) are connected to the side edges of the rectangular bottom plate (21) through the folding structure (3). When the drum body (2) is folded, the four rectangular side plates (22) are folded on top and / or bottom of the rectangular bottom plate (21), or the four rectangular side plates (22) are unfolded with the rectangular bottom plate (21) as a plane. When the drum body (2) is unfolded, the four rectangular side plates (22) are arranged perpendicular to the rectangular bottom plate (21), and the outer frame (11) is arranged at the end of the four rectangular side plates (22) away from the rectangular bottom plate (21).

7. The collapsible drum of claim 6 wherein, Four corner pieces (111) are arranged on one side of the outer frame (11). The corner piece (111) includes two right-angle pieces, which form a right-angle slot. One end of the right-angle slot is used to clamp the end face of one of the adjacent rectangular side plates (22), and the other end is used to clamp the end face of the other adjacent rectangular side plate (22).

8. The collapsible drum of claim 7 wherein, One of the adjacent two rectangular side plates (22) is provided with a sealing plate (221). When unfolded, the sealing plate (221) is detachably connected with the adjacent side edge of the other rectangular side plate (22). When unfolded, one end of the right-angle slot is used to clamp the rectangular side plate (22) and the sealing plate (221) that are in close contact with each other.

9. The collapsible drum of claim 8 wherein, Each side wall of the outer frame (11) is also provided with a packing belt (13). When unfolded, the packing belt (13) is detachably fixedly connected with the corresponding rectangular side plate (22). When the drum body (2) is folded, and the four rectangular side plates (22) are folded on and / or under the rectangular bottom plate (21), the four packing belts (13) are used to fix the folded drum body (2).

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