CN220584902U - Connection structure and guitar of fingerboard and musical instrument body - Google Patents

Abstract

The utility model belongs to the technical field of musical instruments, and discloses a connecting structure of a fingerboard and a musical instrument body and a guitar, wherein in the connecting structure of the fingerboard and the musical instrument body, a plugging end is arranged on the fingerboard, a plugging groove is arranged on the plugging end, a mounting groove and a quick-dismantling assembly are arranged on the musical instrument body, the quick-dismantling assembly comprises a plugging head, the plugging head is arranged in the mounting groove, and when the plugging end is inserted into the mounting groove, the plugging head can be inserted into the plugging groove for connection; the cell wall of mounting groove is equipped with the bed course, and the bed course clamp is located between the outer wall of grafting end and the cell wall of mounting groove. According to the utility model, the cushion layer is arranged, so that friction between the plug-in end and the mounting groove is reduced, and the elasticity of the cushion layer can buffer or absorb slight vibration, so that interference noise is reduced; the pad layer is easy to replace, the cost is low, when the installation abrasion of the fingerboard is large after long-term use or repeated plug, the fingerboard and the musical instrument body can be compensated and installed through replacing the pad layer, the whole maintenance cost of the guitar is saved, and the service lives of the fingerboard and the musical instrument body are prolonged.

Description

Connection structure and guitar of fingerboard and musical instrument body

Technical Field

The utility model relates to the technical field of musical instruments, in particular to a guitar musical instrument, and particularly relates to a connection structure of a fingerboard and a body of a guitar and the guitar.

Background

In the field of musical instruments, guitar, you Ke Li and the like belong to plucked string musical instruments, and the basic structure comprises a body, a head and a neck connected between the two, wherein the main body of the neck is a fingerboard, and the fingerboard is connected with the body at the shoulder. In the prior art, the fingerboard and the body are clamped, quick-release and quick-assembly of the fingerboard and the body are realized by the aid of a spring buckle and the like, but after the fingerboard and the body are used for many times or for a long time, a loosening problem of a contact point exists, so that a tiny gap is formed, local noise is easily generated in the shaking or using process, and normal use of a guitar is interfered.

Disclosure of Invention

The utility model aims to provide a connection structure of a fingerboard and a guitar body and a guitar, which are used for solving the problems of looseness and gaps generated after long-term use of the connection position of the fingerboard and the guitar body, reducing the maintenance cost of the guitar and prolonging the service life of the guitar.

To achieve the purpose, the utility model adopts the following technical scheme:

the connecting structure of the fingerboard and the piano body is used for connecting the fingerboard and the piano body, the fingerboard is provided with an inserting end, the inserting end is provided with an inserting groove, the front panel of the piano body is provided with an installing groove and a quick-dismantling component, the quick-dismantling component comprises an inserting head, the inserting head is arranged in the installing groove, and when the inserting end of the fingerboard is inserted into the installing groove, the inserting head can be inserted into the inserting groove to be connected; the cell wall of mounting groove is equipped with the bed course, the bed course clamp is located the outer wall of grafting end with between the cell wall of mounting groove.

Optionally, the plug connector includes:

the groove wall of the mounting groove is provided with a mounting hole, and the screw rod is arranged in the mounting hole in a penetrating way and can axially slide;

the adjusting piece is in threaded connection with the first end of the screw rod and located in the mounting groove, and the adjusting piece can be inserted into the inserting groove to be connected.

Optionally, the plug connector further comprises a guide block, the guide block is arranged on the groove wall of the mounting groove, the first end of the screw rod penetrates through the guide block, and a gap is formed between the adjusting piece and the guide block.

Optionally, the spliced groove includes along guiding groove and the spacing groove that the thickness direction intercommunication of grafting end set up, the guiding groove with the back intercommunication of grafting end, the guiding groove with be equipped with the baffle between the spacing groove, be equipped with the transition groove on the baffle in order to communicate the guiding groove with the spacing groove, the guiding groove the transition groove with the spacing groove corresponds the installation respectively the guide block the screw rod with the regulating part.

Optionally, the outer wall of the guide block is matched with and abutted against the outer wall of the guide groove.

Optionally, the quick release assembly further includes:

the limiting disc is arranged on the outer side face of the back plate of the musical instrument body, the second end of the screw rod sequentially penetrates through the back plate of the musical instrument body and the limiting disc, and a rotating groove is formed in the limiting disc;

the cam handle is arranged at the second end of the screw rod and hinged with the screw rod, and can rotate in the rotating groove;

the elastic piece is sleeved on the screw rod, and two ends of the elastic piece are respectively abutted against the adjusting piece and the inner side face of the backboard of the musical instrument body.

Optionally, the limiting disc is clamped with the body to rotate for limiting.

Optionally, the quick release assembly further includes:

the first sleeve is sleeved on the screw rod and is positioned between the spring and the inner side surface of the backboard;

the second sleeve is sleeved on the screw rod and located between the first sleeve and the adjusting piece, one end, facing the adjusting piece, of the second sleeve is provided with a positioning part, and the guide block is clamped between the positioning part and the groove wall of the mounting groove.

Optionally, the cushion layer is a silica gel layer.

The utility model also provides a guitar, which comprises a head, a body and a neck connected between the head and the body, wherein the neck comprises a fingerboard, and the fingerboard is connected with the body through the connection structure of the fingerboard and the body.

The utility model has the beneficial effects that:

according to the connecting structure of the fingerboard and the piano body, the plugging end of the fingerboard is provided with the plugging groove, the piano body is provided with the mounting groove with the plugging connector, and when the plugging end of the fingerboard is inserted into the mounting groove, the plugging groove is just plugged and matched with the plugging connector to realize the connection of the fingerboard and the piano body, so that the fingerboard is fast and convenient to install; the cushion layer is arranged on the inner wall of the mounting groove and clamped between the inner wall of the mounting groove and the outer wall of the plug end, so that friction between the plug end and the mounting groove is reduced, and the elasticity of the cushion layer can buffer or absorb slight vibration, so that interference noise is reduced; the pad layer is easy to replace, the cost is low, when the installation abrasion of the fingerboard is large after long-term use or repeated plug, the fingerboard and the musical instrument body can be compensated and installed through replacing the pad layer, the whole maintenance cost of the guitar is saved, and the service lives of the fingerboard and the musical instrument body are prolonged.

According to the guitar, the fingerboard and the body are connected in an inserting way through the connecting structure of the fingerboard and the body, and the pad layer is arranged in the mounting groove of the body, so that friction and abrasion between the inserting end of the fingerboard and the mounting groove of the body are reduced or reduced, and the service lives of the fingerboard and the body are prolonged; the cushion layer is clamped between the inserting end and the mounting groove, so that the guitar is convenient to replace and adjust, and the overall maintenance cost of the guitar is reduced.

Drawings

FIG. 1 is an exploded view of a guitar according to the present utility model;

FIG. 2 is a cross-sectional view of a connection structure of a fingerboard and a body provided by the utility model;

FIG. 3 is an enlarged schematic view of the area A in FIG. 1;

FIG. 4 is a schematic view of the structure of the insertion end of the fingerboard of the present utility model;

fig. 5 is a schematic structural view of the quick release assembly according to the present utility model.

In the figure:

100. a head; 200. a body; 201. a mounting groove; 202. an avoidance groove; 203. a back plate; 300. a neck; 301. a fingerboard;

1. a plug end; 11. a guide groove; 12. a limit groove; 13. a transition groove;

2. a quick release assembly; 21. a screw; 22. an adjusting member; 23. a guide block; 24. a limiting disc; 241. a rotating groove; 242. a protrusion; 25. a cam handle; 26. an elastic member; 27. a first sleeve; 28. a second sleeve; 281. a positioning part; 282. an inner flanging; 3. and (3) a cushion layer.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a connection structure of a fingerboard and a body for a guitar instrument, as shown in fig. 1, the guitar comprises a head 100, a body 200 and a neck 300 connected between the head 100 and the body 200, the neck 300 comprises a fingerboard 301, and the fingerboard 301 and the body 200 are connected through the connection structure of the fingerboard and the body provided by the utility model, so that the problems of loosening and gaps generated after long-term use of the connection of the fingerboard 301 and the body 200 can be solved, the guitar maintenance cost is reduced, and the service life of the guitar is prolonged.

As shown in fig. 1, the connection structure of the fingerboard and the body of the utility model is used for connecting the fingerboard 301 and the body 200, the fingerboard 301 is provided with the plug end 1, the plug end 1 is provided with the plug groove, the body 200 is provided with the mounting groove 201 and the quick-release assembly 2, the quick-release assembly 2 comprises the plug connector, the plug connector is arranged in the mounting groove 201, and when the plug end 1 of the fingerboard 301 is inserted into the mounting groove 201, the plug connector can be inserted into the plug groove for connection; the cell wall of mounting groove 201 is equipped with bed course 3, and bed course 3 presss from both sides between the outer wall of plug end 1 and the cell wall of mounting groove 201.

According to the connecting structure of the fingerboard and the piano body, the plugging end 1 of the fingerboard 301 is provided with the plugging groove, the piano body 200 is provided with the mounting groove 201 with the plugging head, and when the plugging end 1 of the fingerboard 301 is inserted into the mounting groove 201, the plugging groove is just plugged with the plugging head to realize the connection of the fingerboard 301 and the piano body 200, so that the installation is rapid and convenient; through setting up bed course 3 at the inner wall of mounting groove 201, bed course 3 can press from both sides after the installation and establish between the inner wall of mounting groove 201 and the outer wall of grafting end 1, do benefit to the friction that reduces between grafting end 1 and the mounting groove 201, and the elasticity of bed course 3 can cushion or absorb slight vibrations, do benefit to the noise reduction; the cushion layer 3 is easy to replace, the cost is low, after the fingerboard 301 is worn after long-term use or repeated insertion and extraction, the fingerboard 301 and the musical instrument body 200 can be compensated and installed by replacing the cushion layer 3, so that the whole maintenance cost of the guitar is saved, and the service lives of the fingerboard 301 and the musical instrument body 200 are prolonged.

In the preferred scheme, the cushion layer 3 is a silica gel layer, and the elasticity of silica gel material is good, and is with low costs, can keep apart frictional wear, and the cushion layer 3 can change when wearing and tearing are serious, can obviously prolong the life of fingerboard 301 and musical instrument body 200. It is further preferred that the three groove walls of the installation groove 201 are provided with cushion layers 3, and the cushion layers 3 are detachably connected with the groove walls, or the detachably connected cushion layers 3 are realized by arranging detachably connected groove bodies on the groove walls.

Optionally, the plug connector comprises a screw 21 and an adjusting piece 22, a mounting hole is formed in the wall of the mounting groove 201, and the screw 21 is arranged in the mounting hole in a penetrating manner and can axially slide; the adjusting member 22 is screwed to the first end of the screw 21 and is located in the mounting groove 201, and the adjusting member 22 can be inserted into the insertion groove to be connected.

Optionally, the plug further includes a guide block 23, the guide block 23 is disposed on a groove wall of the mounting groove 201, a first end of the screw 21 is disposed through the guide block 23, and a gap is formed between the adjusting member 22 and the guide block 23, that is, the adjusting member 22 and the guide block 23 are disposed on the screw 21 at intervals.

As shown in fig. 2 and 3, the screw 21 is threaded on the groove wall from front to back along one groove wall of the installation groove 201, and simultaneously is threaded with the guide block 23, the front end of the screw 21 is a first end, the first end of the screw 21 is located in the installation groove 201, the first end of the screw 21 is in threaded connection with the adjusting piece 22, and the inserting groove of the inserting end 1 is in matched inserting connection with the adjusting piece 22. In this embodiment, the adjusting member 22 is a nut with a washer, and the adjusting member 22 is inserted into the insertion groove and can be pressed against the side wall of the insertion groove under the axial movement of the screw 21 to fix the fingerboard 301. By adjusting the distance of the adjustment member 22 screwed into the screw 21, the pressing force of the fingerboard 301 can be adjusted, and a sufficient connection strength can be ensured. The guide block 23 serves to guide the insertion direction of the insertion groove, and to ensure the mounting accuracy of the insertion groove and the adjusting member 22. The guide block 23 may be adhered to the groove wall of the installation groove 201 or may be integrally provided with the installation groove 201. The guide block 23 is provided with a through hole coaxial with the mounting hole to facilitate the mounting of the screw 21.

Optionally, the plugging groove comprises a guiding groove 11 and a limiting groove 12 which are communicated in the thickness direction of the plugging end 1, the guiding groove 11 is communicated with the back surface of the plugging end 1, a partition plate is arranged between the guiding groove 11 and the limiting groove 12, a transition groove 13 is arranged on the partition plate to be communicated with the guiding groove 11 and the limiting groove 12, and the guiding groove 11, the transition groove 13 and the limiting groove 12 are respectively correspondingly provided with a guiding block 23, a screw 21 and an adjusting piece 22.

As can be seen from fig. 3 and 4, the back of the plugging end 1 has a mounting plane, the guide groove 11 communicates with the back of the plugging end 1, and the guide block 23 is matched with the structure and the size of the guide groove 11, i.e. the outer wall of the guide block 23 is matched with and abutted against the outer wall of the guide groove 11. The guide groove 11 can slide downwards to the bottom of the guide groove 11 along the edge of the guide block 23 after being contacted with the guide block 23, so that the accurate installation and plugging in place of the plugging groove are ensured. In this embodiment, the top of the guide block 23 is arc-shaped, so that the initial positions of the guide groove 11 and the guide block 23 can be conveniently positioned. The main body of the guide block 23 is rectangular, and has good linear guidance performance for the guide groove 11, so that the plugging end 1 can be vertically and downwardly slidably mounted in the mounting groove 201, and the mounting gap is reduced. The limiting groove 12 is used for accommodating the adjusting piece 22, and since the adjusting piece 22 can adjust the screwing distance on the screw 21, the depth of the limiting groove 12 along the long axis direction of the screw 21 is larger than the thickness of the adjusting piece 22. Set up the baffle between guide slot 11 and the spacing groove 12, baffle thickness is the clearance size between regulating part 22 and the guide block 23, set up transition groove 13 on the baffle in order to communicate guide slot 11 and spacing groove 12, transition groove 13 is rectangular groove, screw rod 21 can slide in transition groove 13, when screw rod 21 slides to the groove bottom and looks butt from the open end (also bottom) of transition groove 13, then consider to assemble in place, pulling screw rod 21 and driving regulating part 22 to stop to realize compressing tightly fixedly in the baffle of spacing groove 12 one side this moment. It will be appreciated that the screw 21 is an integral part of the quick release assembly 2, and that the axial movement and compression mounting of the screw 21 is achieved according to the locking principle of the quick release assembly 2.

Optionally, the quick-dismantling assembly 2 further comprises a limiting disc 24, a cam handle 25 and an elastic piece 26, wherein the limiting disc 24 is arranged on the outer side face of the backboard 203 of the body 200, the second end of the screw 21 is sequentially penetrated on the backboard 203 and the limiting disc 24 of the body 200, and a rotating groove 241 is formed in the limiting disc 24; the cam handle 25 is arranged at the second end of the screw 21 and hinged with the screw 21, and the cam handle 25 is rotatably connected in the rotating groove 241; the elastic member 26 is sleeved on the screw 21, and two ends of the elastic member 26 respectively abut against the adjusting member 22 and the inner side surface of the backboard 203 of the body 200.

As shown in fig. 5, it can be understood that the cam end of the cam handle 25 is rotatably connected in the rotating groove 241, so that the axial movement control of the screw 21 can be realized to realize quick disassembly and quick assembly. Through the cover establish the elastic component 26 on screw rod 21, the elastic component 26 is the spring preferentially, can carry out elasticity butt to regulating part 22 for can have certain space between the cell wall with mounting groove 201 all the time under the elasticity effect of elastic component 26, the grafting installation of the fingerboard 301 of being convenient for also being convenient for regulating part 22 precession distance on screw rod 21 is also more convenient for the dismouting. It should be noted that, as shown in fig. 3, in order to achieve the whole effect of the guitar and avoid the accidental scraping of the cam handle 25, the back plate 203 of the body 200 is provided with the avoiding groove 202, the cam handle 25 is located in the avoiding groove 202, and by providing the rotating groove 241, the rotating groove 241 is a long arc groove, so that the cam portion of the cam handle 25 can be limited to rotate in the rotating groove 241, the rotation of the cam handle 25 around the axial direction of the cam handle 25 is limited, and the interference between the cam handle 25 and the groove wall of the avoiding groove 202 after the axial rotation is avoided, thereby affecting the use.

Optionally, the limiting disc 24 is clamped with the body 200 to rotate for limiting.

As shown in fig. 5, the outer edge of the limiting disc 24 is provided with a protrusion 242, and correspondingly, the back plate 203 of the body 200 is provided with a groove, and the protrusion 242 and the groove are cooperatively positioned, so that the rotation limiting of the limiting disc 24 can be realized, and further, the position of the rotating groove 241 can be uniquely determined, and the limitation of the rotation direction of the cam handle 25 can be realized.

Optionally, the quick-release assembly 2 further includes a first sleeve 27 and a second sleeve 28, where the first sleeve 27 is sleeved on the screw 21 and located between the elastic member 26 and the inner side surface of the back plate 203; the second sleeve 28 is sleeved on the screw 21 and is located between the first sleeve 27 and the adjusting member 22, one end of the second sleeve 28 facing the adjusting member 22 is provided with a positioning portion 281, and the guide block 23 is clamped between the positioning portion 281 and the groove wall of the mounting groove 201.

Referring to fig. 2-5, in this embodiment, the first sleeve 27 and the second sleeve 28 may have the same structure, which is convenient for processing. One end of the second sleeve 28 has an outward flange to form the positioning portion 281, and the other end of the second sleeve 28 has an inward flange 282 to define the elastic member 26. During installation, the cam handle 25, the screw 21, the first sleeve 27 and the limiting disc 24 are assembled, the cam handle and the screw 21 sequentially penetrate through the avoidance groove 202 on the piano body 200 from back to front, after the front end of the first sleeve 27 and the screw 21 penetrate through the backboard 203, the positioning portion 281 of the first sleeve 27 and the limiting disc 24 are stopped against the outer groove wall of the avoidance groove 202, the front end of the screw 21 is located in the installation groove 201, the elastic piece 26 and the second sleeve 28 are sleeved on the screw 21, the positioning portion 281 of the second sleeve 28 is in compression joint with the guide block 23, finally the adjusting piece 22 is in threaded connection with the screw 21, and the distance between the adjusting piece 22 and the guide block 23 is adjusted to be the thickness of the partition plate. According to the preset adjusting piece 22 of the thickness of the partition plate, when the cam handle 25 is in the unlocking state, after the elastic piece 26 is installed, two ends of the elastic piece 26 are respectively abutted against the inner flanging 282 of the second sleeve 28 and the adjusting piece 22, the elastic force of the elastic piece 26 can support the adjusting piece 22 to have a certain gap height relative to the groove wall of the installation groove 201 all the time, and the insertion and installation of the insertion end 1 of the fingerboard 301 are facilitated.

In the connection structure of the fingerboard and the body provided in this embodiment, when the fingerboard 301 and the body 200 are loosened after multiple uses, the screwing distance of the adjusting member 22 can be adjusted, so as to increase the pressing force of the adjusting member 22 on the partition board on the fingerboard 301, and avoid noise from affecting use after loosening.

The utility model also provides a guitar, the fingerboard 301 and the body 200 are connected in a plugging manner through the fingerboard and body connecting structure, and the cushion layer 3 is arranged in the mounting groove 201 of the body 200, so that friction and abrasion between the plugging end 1 of the fingerboard 301 and the mounting groove 201 of the body 200 are reduced or reduced, and the service lives of the fingerboard 301 and the body 200 are prolonged. The cushion layer 3 is clamped between the inserting end 1 and the mounting groove 201, so that replacement and adjustment are facilitated, and the overall maintenance cost of the guitar is reduced.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The connecting structure of the fingerboard and the piano body is used for connecting the fingerboard (301) and the piano body (200), and is characterized in that a plug-in end (1) is arranged on the fingerboard (301), a plug-in groove is formed in the plug-in end (1), a mounting groove (201) and a quick-dismantling component (2) are formed in a front panel of the piano body (200), the quick-dismantling component (2) comprises a plug connector, the plug connector is arranged in the mounting groove (201), and when the plug-in end (1) of the fingerboard (301) is inserted into the mounting groove (201), the plug connector can be inserted into the plug-in groove to be connected; the cell wall of mounting groove (201) is equipped with bed course (3), bed course (3) clamp are located between the outer wall of grafting end (1) and the cell wall of mounting groove (201).

2. The connection structure of a fingerboard and a body according to claim 1, wherein the plug comprises:

the screw rod (21) is provided with a mounting hole on the groove wall of the mounting groove (201), and the screw rod (21) is arranged in the mounting hole in a penetrating way and can axially slide;

the adjusting piece (22) is in threaded connection with the first end of the screw rod (21) and located in the mounting groove (201), and the adjusting piece (22) can be inserted into the inserting groove to be connected.

3. The connection structure of the fingerboard and the body according to claim 2, wherein the plug further comprises a guide block (23), the guide block (23) is disposed on a groove wall of the mounting groove (201), the first end of the screw (21) is disposed through the guide block (23), and a gap is formed between the adjusting member (22) and the guide block (23).

4. A connection structure of a fingerboard and a musical instrument body according to claim 3, characterized in that the insertion groove comprises a guide groove (11) and a limit groove (12) which are communicated in the thickness direction of the insertion end (1), the guide groove (11) is communicated with the back of the insertion end (1), a partition board is arranged between the guide groove (11) and the limit groove (12), a transition groove (13) is arranged on the partition board to be communicated with the guide groove (11) and the limit groove (12), and the guide groove (11), the transition groove (13) and the limit groove (12) are respectively correspondingly provided with the guide block (23), the screw (21) and the adjusting piece (22).

5. The connection structure of fingerboards and bodies according to claim 4, characterized in that the outer wall of the guide block (23) is engaged with and abutted against the outer wall of the guide groove (11).

6. A connection structure of a fingerboard and a body according to claim 3, wherein the quick-release assembly (2) further comprises:

the limiting disc (24), the limiting disc (24) is arranged on the outer side surface of the backboard (203) of the musical instrument body (200), the second end of the screw rod (21) is sequentially arranged on the backboard (203) of the musical instrument body (200) and the limiting disc (24) in a penetrating manner, and the limiting disc (24) is provided with a rotating groove (241);

a cam handle (25), wherein the cam handle (25) is arranged at the second end of the screw (21) and hinged with the screw (21), and the cam handle (25) can rotate in the rotating groove (241);

the elastic piece (26) is sleeved on the screw rod (21), and two ends of the elastic piece (26) are respectively abutted against the adjusting piece (22) and the inner side surface of the backboard (203) of the musical instrument body (200).

7. The connection structure of the fingerboard and the body according to claim 6, wherein the limiting disc (24) is engaged with the body (200) to limit rotation.

8. The connection structure of fingerboards and bodies according to claim 6, characterized in that said quick-release assembly (2) further comprises:

a first sleeve (27), wherein the first sleeve (27) is sleeved on the screw (21) and is positioned between the elastic piece (26) and the inner side surface of the back plate (203);

the second sleeve (28), second sleeve (28) cover is established on screw rod (21) and be located first sleeve (27) with between regulating part (22), second sleeve (28) orientation one end of regulating part (22) is equipped with location portion (281), guide block (23) clamp is located between location portion (281) and the cell wall of mounting groove (201).

9. The connection structure of the fingerboard and the body according to claim 1, wherein the cushion layer (3) is a silica gel layer.

10. Guitar, characterized in that it comprises a head (100), a body (200) and a neck (300) connected between said head (100) and said body (200), said neck (300) comprising a fingerboard (301), said fingerboard (301) and said body (200) being connected by a fingerboard-body connection according to any one of claims 1-9.