CN218957378U

CN218957378U - Folding guitar and musical instrument

Info

Publication number: CN218957378U
Application number: CN202220866255.6U
Authority: CN
Inventors: 唐文轩; 黎上兴
Original assignee: Unknown Planet Technology Dongguan Co ltd
Current assignee: Unknown Planet Technology Dongguan Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2023-05-02
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a folding guitar and a musical instrument, wherein the folding guitar comprises a body, a frame and a neck, the frame is rotatably arranged on the body, a containing part is arranged on the frame, the body is contained after the frame rotates, the neck comprises a neck body and a rotating part, the neck body is connected with the body through the rotating part, and is folded on the body after rotating and is embedded into the body.

Description

Folding guitar and musical instrument

Technical Field

The utility model relates to the technical field of musical instruments, in particular to a folding guitar and a musical instrument.

Background

At present, no matter a traditional wooden guitar or a novel carbon fiber guitar is on the market, the guitar is large in size and inconvenient to carry, and the like, but the existing foldable guitars only have the frame to be disassembled, only the width of the guitar can be changed, the length correction of the guitar cannot be realized, and the length correction of the guitar is realized, but only the guitar neck is folded on the surface of the body, the thickness of the body is increased in a variable phase manner, the condition of inconvenient carrying still exists, and the disassembly and assembly condition is complex.

The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present utility model and is not intended to represent an admission that the foregoing is prior art.

Disclosure of Invention

The utility model mainly aims to provide a folding guitar, which aims to change the whole size of the guitar by folding the guitar for multiple times, reduce the occupied space of the guitar and is convenient to carry.

To achieve the above object, the folding guitar according to the present utility model comprises:

a body;

the musical instrument frame is rotatably arranged on the musical instrument body, a containing part is arranged on the musical instrument frame, and the musical instrument body is contained after the musical instrument frame rotates; the method comprises the steps of,

the neck comprises a neck body and a rotating part, wherein the neck body is connected with the body through the rotating part, and the neck body is folded on the body after rotating and is embedded into the body.

Optionally, an open folding groove is formed in the body, and the neck body is located in the folding groove after rotating.

Optionally, the body is provided with a rotating groove, and a part of the frame extends into the rotating groove and is connected with the body, and the part of the frame is located at one side of the body and is rotationally connected with the body.

Optionally, the opening of the rotating groove faces away from the playing surface of the body, and the part of the frame extending into the rotating groove does not extend out of the notch.

Optionally, an end of the neck body close to the body and/or an end of the body close to the neck body is an arc surface.

Optionally, the neck body is close to the one end of body sets up first mounting groove, the link of body sets up the second mounting groove, the one end of rotating part stretches into in the first mounting groove, and the other end stretches into in the second mounting groove.

Optionally, the rotating part includes a connecting piece, a plurality of first mounting and two at least first pivots, two the first pivot is all rotated and is installed on the connecting piece, just the both ends of first pivot all stretch out the connecting piece, one first pivot is located in the first mounting groove, one first pivot is located in the second mounting groove, the neck body reaches all install a plurality of in the body first mounting, just the both ends of first pivot all by first mounting supports.

Optionally, the extending end of the first fixing piece extends towards the direction of the first rotating shaft and is penetrated by the first rotating shaft.

Optionally, the rotating part further includes a plurality of first concave cams, a plurality of first locating parts and a plurality of first damping parts, the both ends of first pivot are all installed in proper order first concave cams first damping part with first locating part, first concave cams with the extension end butt of first mounting, first damping part is located first concave cams with between the first locating part.

Optionally, the first concave-convex wheel is abutted with one side surface of the first damping piece, and the other side surface of the first damping piece is abutted with the first limiting piece.

Optionally, the first concave-convex wheel is close to the surface of the first fixing piece and is provided with a plurality of protrusions at intervals, the end face of the first fixing piece is close to the surface of the first concave-convex wheel and is provided with a plurality of grooves at intervals, and each protrusion is inserted into the corresponding groove.

The utility model also proposes a musical instrument comprising said folded guitar.

According to the technical scheme, the frame and the body are folded once through rotating the frame, the frame is located on the side face of the body, further the change of the guitar width is achieved, the frame cannot be overlapped on the body due to the fact that the frame rotates to the side face of the body, namely the folding between the body and the frame is achieved, the body is prevented from being overlapped, the neck is folded on the body after rotating, the guitar length is reduced, the actual occupied space of the guitar is further reduced, storage and carrying are facilitated, the guitar is achieved through the rotating portion, the neck and the body are in an unfolded or folded state, the self-locking force is provided through the rotating portion to prevent loosening or opening between the neck and the body, and in the rotating process, smooth in the rotating process of the neck is guaranteed through damping provided by the rotating portion, and the hand feeling effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a folding guitar of the present utility model;

FIG. 2 is a cross-sectional view at A-A in FIG. 1;

FIG. 3 is a partial enlarged view at B in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

FIG. 5 is a schematic view of a further embodiment of a folded guitar of the present utility model;

FIG. 6 is a schematic view of another embodiment of a folding guitar of the present utility model;

FIG. 7 is a schematic view of a further embodiment of a folding guitar of the present utility model;

FIG. 8 is a schematic view of the neck and frame connection of the folded guitar of the present utility model;

FIG. 9 is a partial enlarged view at D in FIG. 8;

fig. 10 is a partial enlarged view of fig. 8 at E.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a folding guitar 100.

Referring to fig. 1 to 10, fig. 1 is a schematic view showing the structure of an embodiment of a folding guitar of the present utility model; FIG. 2 is a cross-sectional view at A-A in FIG. 1; FIG. 3 is a partial enlarged view at B in FIG. 2; FIG. 4 is an enlarged view of a portion of FIG. 2 at C; FIG. 5 is a schematic view of a further embodiment of a folded guitar of the present utility model; FIG. 6 is a schematic view of another embodiment of a folding guitar of the present utility model; FIG. 7 is a schematic view of a further embodiment of a folding guitar of the present utility model; FIG. 8 is a schematic view of the neck and frame connection of the folded guitar of the present utility model; FIG. 9 is a partial enlarged view at D in FIG. 8; fig. 10 is a partial enlarged view of fig. 8 at E.

In an embodiment of the present utility model, the folding guitar 100; as shown in fig. 1, includes:

a body 20;

a frame 30 rotatably mounted on the body 20, wherein a receiving portion is provided on the frame 30, and the body 20 is received after the frame 30 is rotated; the method comprises the steps of,

the neck 10, the neck 10 includes a neck body 11 and a rotating portion 12, the neck body 11 is connected with the body 20 through the rotating portion 12, and the neck body 11 is folded over the body 20 after rotating, and is fitted into the body 20.

The receiving portion of the frame 30 is sized to receive the body 20, and a portion of the frame 30 facing away from the body 20.

According to the technical scheme, the frame 30 and the body 20 are folded once through rotating the frame 30, the frame 30 is located on the side face of the body 20, further, the change of guitar width is achieved, the frame 30 cannot be overlapped on the body 20 due to the fact that the frame 30 rotates to the side face of the body 20, namely, folding between the body 20 and the frame 30 is achieved, the body 20 is prevented from being overlapped, the neck 10 is folded on the body 20 after rotating, guitar length is reduced, the actual occupied space of a guitar is further reduced, storage and carrying are facilitated, the neck 10 and the body 20 are achieved through the rotating portion 12, the neck 10 and the body 20 are prevented from loosening or expanding through the rotating portion 12 no matter in an unfolding or folding state, the damping effect of the neck 10 and the body 20 is guaranteed through the rotating portion 12 in the rotating process, and the smooth and smooth feeling of the neck 10 is improved through the rotating process is guaranteed.

Optionally, an open folding groove 40 is provided in the body 20, and the neck body 11 is located in the folding groove 40 after being rotated.

In this embodiment, the folding groove 40 is formed on the side of the body 20 facing away from the playing position, and the side of the neck 10 contacting the body 20 after the neck 10 rotates is the side of the neck 10 facing away from the playing position.

The depth of the folding groove 40 on the body 20 is greater than or equal to the thickness of the neck 20.

The folding groove 40 faces the side of the body 20 facing away from the playing place of the body 20, and after the neck 10 is folded into the folding groove 40, the neck 10 contacts the bottom wall of the folding groove 40.

In this embodiment, after the neck 10 rotates and enters the folding groove 40, the playing surface of the neck 10 is flush with the outer surface of the body 20, or the playing surface of the neck 10 is located in the folding groove 40, so that the neck 10 is prevented from being folded up the body 20 when folded onto the body 20, other lengths are reduced, the body 20 is ensured to be folded up in other directions, and the occupied space of the guitar is greatly reduced.

In this embodiment, the plane of the connecting end surface of the body 20 and the plane of the bottom wall of the folding groove 40 are the same.

Optionally, the body 20 is provided with a rotation groove 50, and a portion of the frame 30 extends into the rotation groove 50 and is connected to the body 20, and a portion of the frame 30 is located on one side of the body 20 and is rotatably connected to the body 20.

In this embodiment, the rotating groove 50 is formed on the body 20, and the opening direction of the rotating groove 50 is equal to the opening direction of the folding groove 40.

In this embodiment, the frame 30 includes a frame body 31, a second fixing member 37 and a second rotating shaft 36, the second fixing member 37 is mounted in the connecting end of the body 20, one end of the second rotating shaft 36 is mounted on the second fixing member 37, and the other end of the second rotating shaft 36 extends into the rotating groove 50, one end of the frame body 31 extends into the rotating groove 50 and is rotationally connected with the second rotating shaft 36, and the other end of the frame body 31 is located on the side surface of the body 20 and is rotationally connected with the body 20.

The second fixing member 37 may be a bending member, and an extension end is disposed on the second fixing member 37 and abuts against the body 20.

It should be noted that, the connection manner between the second fixing member 37 and the connection end of the body 20 may be connected by a bolt, and a plurality of mounting holes may be formed on the second fixing member 37, so that the bolt may conveniently pass through the mounting hole and be mounted on the body 20, thereby facilitating the fixing of the second fixing member 37.

The connection between one end of the second rotating shaft 36 and the second fixing member 37 can be performed by a bolt.

In this embodiment, the frame 30 further includes a third rotating shaft 33, a third fixing member 38, a second concave-convex wheel 34, a second damping member 35, a second limiting member 39 and a bearing member 32, wherein the third fixing member 38 is installed in the body 20, one end of the third rotating shaft 33 extends into the body 20 and is supported and fixed by the third fixing member 38, the other end of the third rotating shaft 33 extends into one end of the frame body 31, the second limiting member 39, the second damping member 35 and the second concave-convex wheel 34 are all installed on one end of the third rotating shaft 33, the second limiting member 39, the second damping member 35 and the second concave-convex wheel 34 are all located in the body 20, and one end of the bearing member 32 close to the third rotating shaft 33 extends into the frame body 31.

It should be noted that, the axis of the third rotating shaft 33 coincides with the axis of the bearing member 32, the bearing member 32 is provided with a mounting hole, and one end of the third rotating shaft 33 facing away from the body 20 is provided with a connecting slot.

In this embodiment, one end of the control bolt penetrates through the mounting hole on the carrier 32 and one end of the frame body 31 and then extends into the connecting slot of the third rotating shaft 33, so as to realize connection between the carrier 32 and the third rotating shaft 33 and the frame body 31.

It should be noted that, the third fixing member 38 is provided with a plurality of mounting holes, and can be mounted on the body 20 by bolts, one end of the third rotating shaft 33 extending into the body 20 penetrates through the third fixing member 38, and the third rotating shaft 33 is rotatably connected with the third fixing member 38.

It should be noted that, the second damping members 35 are located between the second limiting members 39 and the second concave-convex wheels 34, and the second limiting members 39 are located at the most edge of the third rotating shaft 33.

The side of the second concave-convex cam 34 facing away from the second damper 35 is a concave-convex surface, and the side of the third fixing member 38 contacting the second concave-convex cam 34 is a concave-convex surface.

In this embodiment, the frame body 31 is manually rotated, so that one end of the frame body 31 rotates on the second rotating shaft 36, and the rotation of the frame body 31 drives the third rotating shaft 33 to rotate, and the rotation of the third rotating shaft 33 drives the rotation of the second concave-convex cam 34, so that the convex surface of the second concave-convex cam 34 contacts with the convex surface on the third fixing member 38, and further the second concave-convex cam 34 moves, so that the second damping member 35 is damped due to the action of force, the smooth hand feeling when the frame body 31 rotates is ensured, and the two damping members 35 are damped, so that self-locking can be realized before and after the rotation of the frame body 31, and the possibility of loosening or opening between the frame body 31 and the body 20 is prevented.

Alternatively, the rotary groove 50 opens away from the playing surface of the body 20, and the portion of the frame 30 that protrudes into the rotary groove 50 does not protrude from the notch.

In this embodiment, the part of the frame 30 extending into the rotation groove 50 does not extend out of the notch, so that the neck 10 is folded in a rotation manner, and the folding effect is not affected by the folding of the frame.

Alternatively, the end of the neck body 11 near the body 20 and/or the end of the body 20 near the neck body is an arc surface.

In this embodiment, one end of the neck body 11 close to the body 20 and/or one end of the body 20 close to the neck body is an arc surface, so that the neck body 11 can rotate conveniently, the neck body 11 cannot interfere with the connecting end of the body 20 in the rotating process, and the smoothness of the rotating process is ensured.

In this embodiment, the first mounting groove is opened on the circular arc surface of the neck body 11, and the second mounting groove is opened on the circular arc surface of the connecting end of the body 20, so that the rotating portion 12 is connected between the neck body 11 and the body 20, and the neck body 11 is rotated smoothly under the condition that the normal rotation is ensured to avoid interference.

Alternatively, the neck body 11 is provided with a first mounting groove near one end of the body 20, the connecting end of the body 20 is provided with a second mounting groove, one end of the rotating portion 12 extends into the first mounting groove, and the other end extends into the second mounting groove.

In this embodiment, a portion of the rotating portion 12 extends into the first mounting groove and is connected with the neck body 11, another portion of the rotating portion 12 extends into the second mounting groove and is connected with the body 20, the neck body 11 and the body 20 are connected through the rotating portion 12, after the neck body 11 is folded on the body 20, the rotating portion 12 can ensure connection between the neck body 11 and the body 20, and damping can also be provided through the rotating portion 12, so that relative rotation between the neck body 11 and the body 20 cannot easily occur, stability after folding between the neck body 11 and the body 20 is ensured, movement of the neck body 11 due to external force is prevented, and storage of the neck body 11 is affected.

In this embodiment, the setting of the rotating portion 12 makes the playing surface of the neck body 11 flush with and connected to the playing surface of the body 20 before the neck body 11 rotates, the neck body 11 does not rotate under the damping effect of the rotating portion 12, so as to ensure the normal running of the guitar, and after the neck body 11 rotates, the effect of the rotating portion 12 can synchronously limit the resetting of the neck body 11 and ensure the holding of the folded state when ensuring the connection between the neck body 11 and the body 20.

Alternatively, the rotating part 12 includes a connecting member 122, a plurality of first fixing members 125 and at least two first rotating shafts 121, the two first rotating shafts 121 are rotatably mounted on the connecting member 122, and two ends of the first rotating shafts 121 extend out of the connecting member 122, one first rotating shaft 121 is located in the first mounting groove, one first rotating shaft 121 is located in the second mounting groove, the plurality of first fixing members 125 are mounted in the neck body 11 and the body 20, and two ends of the first rotating shaft 121 are supported by the first fixing members 125.

In this embodiment, a part of the first fixing member 125 is located in the neck body 11, and an extension end is disposed on the first fixing member 125, and the extension end on the first fixing member 125 abuts against the neck body 11.

It should be noted that the connection between the first fixing member 125 and the neck body 11 can be made by a bolt, and the bolt penetrates the first fixing member 125 and then is connected to the neck body 11.

In this embodiment, a portion of the first fixing member 125 is located in the connecting end of the body 20, and an extension end is disposed on the first fixing member 125, and the extension end on the first fixing member 125 abuts against the connecting end of the body 20.

It should be noted that, the connection between the first fixing member 125 and the connection end of the body 20 may be connected by a bolt, and the bolt penetrates through the extension end of the first fixing member 125 and then is connected to the connection end of the body 20.

It should be noted that, the first fixing member 125 is a bending member, two bending lugs are disposed on the first fixing member 125, and two ends of the first rotating shaft 121 respectively penetrate through the two bending lugs, so that the first rotating shaft 121 can be supported.

In this embodiment, the connecting piece 122 is mounted on the first rotating shaft 121, and the connecting piece 122 is limited by two folding lugs of the first fixing piece 125, so as to limit the connecting piece 122 to move on the first rotating shaft 121, thereby ensuring the rotation stability of the neck body 11.

Alternatively, the extending end of the first fixing member 125 extends toward the first rotating shaft 121 and is penetrated by the first rotating shaft 121.

In this embodiment, the extending end of the first fixing member 125 is a bending member, and when the first rotating shaft 121 is supported, the first rotating shaft 121 penetrates through the bending member and is rotationally connected with the first rotating shaft 121, so that the first rotating shaft 121 is supported without limiting the rotation of the first rotating shaft 121.

Optionally, the rotating portion 12 further includes a plurality of first concave-convex cams 124, a plurality of first limiting members 123 and a plurality of first damping members 126, both ends of the first rotating shaft 121 are sequentially provided with the first concave-convex cams 124, the first damping members 126 and the first limiting members 123, the first concave-convex cams 124 are abutted to the extending ends of the first fixing members 125, and the first damping members 126 are located between the first concave-convex cams 124 and the first limiting members 123.

It should be noted that, the side surface of the folded ear of the first fixing member 125 facing away from the connecting member 122 is a concave-convex surface.

The side surface of the first concave-convex cam 124, which is close to the connecting piece 122, is a concave-convex surface, the side surface of the first concave-convex cam 124, which is away from the connecting piece 122, is abutted against one end of the first damping piece 126, and the other end of the first damping piece 126 is abutted against the first limiting piece 123.

The first damping member 126 is formed by a plurality of shims.

It should be noted that, the first limiting member 123 is a nut, threads are disposed at the end portion of the first rotating shaft 121 facing away from the connecting member 122, the nut is in threaded engagement with the end portion of the first rotating shaft 121, so as to realize the fixed connection between the nut and the first rotating shaft 121, and further realize the limitation of a plurality of gaskets.

In this embodiment, when the neck body 11 rotates, the connecting piece 122 rotates, so that the first rotating shaft 121 rotates, so that the first concave-convex cam 124 and the folding lug of the first fixing piece 125 rotate relatively, so that the two concave-convex surfaces rotate relatively, so that the first damping piece 126 is extruded, damping is generated, the rotation of the first rotating shaft 121 is limited, self-locking of the first rotating shaft 121 is realized, and meanwhile, the existence of damping ensures smooth rotation of the neck body 11.

Optionally, the first concave-convex cam 124 abuts against one side surface of the first damping member 126, and the other side surface of the first damping member 126 abuts against the first limiting member 123.

In this embodiment, the first damping member 126 is limited by the first concave-convex cam 124 and the first limiting member 123, and when the first concave-convex cam 124 rotates relative to the hinge of the first fixing member 125 and is passively pushed by the contact between the concave-convex surfaces, the first concave-convex cam 124 presses the first damping member 126, so as to generate damping to realize self-locking of the first rotating shaft 121.

Optionally, the first concave-convex cam 124 is provided with a plurality of protrusions adjacent to the surface of the first fixing element 125 at intervals, and the end surface of the first fixing element 125 is provided with a plurality of grooves adjacent to the surface of the first concave-convex cam 124 at intervals, and each protrusion is inserted into a corresponding groove.

In this embodiment, a plurality of protrusions are disposed on the side surface of the first concave-convex cam 124, a plurality of grooves are disposed on the side surface of the lug of the first fixing member 125, and each protrusion is inserted into a corresponding groove, when the first concave-convex cam 124 rotates relative to the lug of the first fixing member 125, between the two concave-convex surfaces, when the protrusion is abutted against the protrusion, the first concave-convex cam 124 extrudes the first damping member 126, thereby generating damping, and ensuring the smoothness of rotation and facilitating the self-locking of the first rotation shaft 121.

The utility model also provides a musical instrument, which comprises the folded guitar 100, and the specific structure of the folded guitar 100 refers to the above embodiment, and since the musical instrument adopts all the technical schemes of all the above embodiments, the musical instrument has at least all the beneficial effects brought by the technical schemes of the above embodiments, and the detailed description is omitted herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A folding guitar, comprising:

a body;

2. The folding guitar of claim 1, characterized in that an open folding slot is provided in said body, said neck body being rotated to lie in said folding slot.

3. The folding guitar of claim 2, wherein said body is provided with a turning slot, and wherein a portion of said frame extends into said turning slot and is connected to said body, and wherein a portion of said frame is located on one side of said body and is rotatably connected to said body.

4. The folding guitar of claim 3, wherein said rotary slot opens away from the playing surface of said body and said frame portion extending into said rotary slot does not extend out of the slot.

5. The folded guitar of claim 1, wherein an end of said neck body adjacent said body and/or an end of said body adjacent said neck body is arcuate.

6. The folding guitar of claim 1, wherein said neck body has a first mounting slot near one end of said body and a second mounting slot at the connecting end of said body, one end of said rotating portion extending into said first mounting slot and the other end extending into said second mounting slot.

7. The folding guitar of claim 6, wherein said rotary portion includes a connector, a plurality of first fasteners and at least two first shafts, both of said first shafts being rotatably mounted on said connector, and both ends of said first shafts extending beyond said connector, one of said first shafts being positioned in said first mounting slot, one of said first shafts being positioned in said second mounting slot, said neck body and said body each having a plurality of said first fasteners mounted therein, and both ends of said first shafts being supported by said first fasteners.

8. The folding guitar of claim 7, wherein the extension end of the first securing member extends in the direction of the first pivot axis and is penetrated by the first pivot axis.

9. The folding guitar of claim 8, wherein the rotating portion further comprises a plurality of first concave-convex cams, a plurality of first limiting members and a plurality of first damping members, wherein the first concave-convex cams, the first damping members and the first limiting members are sequentially mounted at two ends of the first rotating shaft, the first concave-convex cams are abutted with the extending ends of the first fixing members, and the first damping members are located between the first concave-convex cams and the first limiting members.

10. The folding guitar of claim 9, wherein said first cam is in abutment with one side of said first damping member and the other side of said first damping member is in abutment with said first retainer.

11. The folding guitar of claim 9, characterized in that said first cam is provided with a plurality of protrusions spaced adjacent to the surface of said first fastener, and said first fastener end surface is provided with a plurality of recesses spaced adjacent to the surface of said first cam, each of said protrusions being inserted into a corresponding one of said recesses.

12. A musical instrument comprising a folded guitar as claimed in any one of claims 1 to 11.