CN210896571U

CN210896571U - Hollowed-out guitar panel

Info

Publication number: CN210896571U
Application number: CN201921006859.8U
Authority: CN
Inventors: 汪锋华
Original assignee: Guangzhou Tongxin Musical Instrument Manufacturing Co ltd
Current assignee: Guangzhou Tongxin Musical Instrument Manufacturing Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-30
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a fretwork guitar panel. The guitar panel comprises a panel main body, wherein a connecting line of two concave positions on the panel main body is taken as a first dividing line, the area close to the guitar head is a first part of the guitar panel, and the area far away from the guitar head is a second part of the guitar panel; the inner end surface of the second portion is symmetrically divided into a first region and a second region with a line in a direction perpendicular to the first boundary line as a second boundary line; the first area is provided with a plurality of first hollowed-out grooves in parallel, the second area is provided with a plurality of second hollowed-out grooves in parallel, the angle between the first hollowed-out grooves and the second hollowed-out grooves is 80-100 degrees, and the opening direction of the corresponding angle of the angle deviates from the head of the guitar. Compared with the prior art, the utility model provides a guitar panel can guarantee the intensity of guitar panel when weight reduction to improve the sound effect of guitar better.

Description

Hollowed-out guitar panel

Technical Field

The utility model relates to a guitar processing technology field especially relates to a fretwork guitar panel.

Background

The pronunciation principle of a guitar is generally as follows: when the fingers poke the strings, the strings start to vibrate; when the guitar strings vibrate, the vibration is transmitted to the bridge; the bridge transmits the vibration to the guitar panel; the resonance of the guitar panel and the guitar body compresses air in the box body, and the air vibrates to generate sound waves; the generated sound is transmitted out of the sound hole by reflection of the guitar back plate. Therefore, the vibration of the guitar panel affects the sound produced by the guitar, and generally, the vibration of the guitar panel is sufficient, and the sound produced by the guitar is preferable. In order to enhance the vibration effect of the guitar panel, the weight of the panel is reduced by reducing the thickness of the panel, so that the guitar panel vibrates more sufficiently.

However, the prior art guitar panels with lighter weight generally have the disadvantage of insufficient strength, and are prone to deformation and even cracking due to string tension.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a: the hollow guitar panel is provided, and the strength of the guitar panel can be ensured while the weight of the guitar panel is reduced, so that the sound effect of a guitar is better improved.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a fretwork guitar panel which characterized in that: the guitar comprises a panel body, a first part of the guitar panel is arranged in an area close to the guitar head, and a second part of the guitar panel is arranged in an area far away from the guitar head; an inner end surface of the second portion is symmetrically divided into a first region and a second region with a line in a direction perpendicular to the first boundary line as a second boundary line; the guitar head comprises a guitar head body, a guitar head body and a guitar head body, wherein a plurality of first hollowed-out grooves are arranged on the first area in parallel, a plurality of second hollowed-out grooves are arranged on the second area in parallel, an angle between the first hollowed-out grooves and the second hollowed-out grooves is 80-100 degrees, and the opening direction of the corresponding angle deviates from the guitar head body.

Further, the groove depth of the first hollowed-out groove is 0.7-0.8mm, and the groove depth of the second hollowed-out groove is 0.7-0.8 mm.

Further, the groove width of the first hollow-out groove is 3.5-4.5mm, and the groove width of the second hollow-out groove is 3.5-4.5 mm.

Furthermore, the distance between the first hollow-out grooves is 2.5-3.5mm, and the distance between the second hollow-out grooves is 2.5-3.5 mm.

Further, the distance between the ends, close to each other, of the first hollowed-out groove and the second hollowed-out groove is 6mm-8 mm.

Further, the width of one end, close to the edge of the guitar panel, of the first hollowed groove from the edge of the guitar is 24-26mm, and the width of one end, close to the edge of the guitar panel, of the second hollowed groove from the edge of the guitar is 24-26 mm.

Further, the thickness of the second portion gradually decreases from the center point of the second portion to the periphery of the second portion.

Further, the thickness of the center point of the second part is 3.4-3.6mm, the thickness of the edge position of the first area close to the headstock end is 1.7-1.9mm, the thickness of the edge position of the first area far away from the headstock end is 1.0-1.2mm, and the thickness of the first area gradually decreases from the center point of the first part to the edge position of the first area close to the headstock end and the edge position of the first area far away from the headstock end respectively;

the thickness of the edge position of the second area close to one end of the headstock is 1.7-1.9mm, the thickness of the edge position of the second area far away from one end of the headstock is 1.0-1.2mm, and the thickness of the second area is gradually reduced from the center point of the first part to the edge position of the second area close to one end of the headstock and the edge position of the second area far away from one end of the headstock respectively.

Further, the thickness of a transition area between the edge position of the first area far away from the end of the headstock and the edge position of the second area far away from the end of the headstock is 0.9-1.1 mm.

Furthermore, a cover plate is additionally arranged on one surface of the panel main body, which is provided with the hollow groove, and the thickness of the cover plate is 0.5mm-1 mm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a fretwork guitar panel, including the panel main part, including first portion and second portion. Since the bridge is typically provided on the outer end face of the second portion, the panel vibration of the second portion has a significant effect on the acoustic performance of the guitar. The utility model discloses a fretwork guitar panel does not set up the fretwork groove in the first portion, but only sets up the fretwork groove in the second portion. The hollowed-out grooves are arranged to reduce the thickness of the guitar panel of the second part to a certain extent, so that the vibration of the guitar panel of the second part is facilitated; secondly, the arris between fretwork groove and the fretwork groove is equivalent to "strengthening rib", plays the effect of guaranteeing guitar panel intensity, and furtherly again, the first portion does not set up the fretwork groove, has also guaranteed the intensity of guitar panel to a certain extent, prevents that the guitar panel from warping. Secondly, in order to adapt to the propagation direction of vibration, the hollowed-out grooves comprise a plurality of first hollowed-out grooves arranged in parallel and a plurality of second hollowed-out grooves arranged in parallel, the angle between the first hollowed-out grooves and the second hollowed-out grooves is 80-100 degrees, the opening direction of the corresponding angle deviates from the guitar head, so that the energy generated by vibration can be fully utilized, and the sound generated by vibration is increased.

Drawings

Fig. 1 is a schematic view of a guitar panel structure provided by the present invention;

fig. 2 is an enlarged view of a portion of the guitar panel a shown in fig. 1.

In the figure: 1. a panel main body; 11. a first portion; 12. a second portion; 2. a concave position; 3. a first dividing line; 4. a first region; 5. a second region; 6. a first hollow-out groove; 7. a second hollow-out groove; 8. a transition region.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-2, the present invention provides a hollowed-out guitar panel, which comprises a panel body 1. The connecting line of two concave positions 2 on the panel main body 1 is taken as a first boundary line 3, the area close to the guitar head is taken as a first part 11 of the guitar panel, and the area far away from the guitar head is taken as a second part 12 of the guitar panel. Next, the inner end surface of the second portion 12 is symmetrically divided into the first region 4 and the second region 5 with a line in a direction perpendicular to the first boundary line 3 as a second boundary line. Wherein, a plurality of first hollow-out grooves 6 are arranged in parallel on the first area 4, a plurality of second hollow-out grooves 7 are arranged in parallel on the second area 5, the angle between the first hollow-out grooves 6 and the second hollow-out grooves 7 is 80-100 degrees, and the opening direction of the corresponding angle of the angle deviates from the guitar head.

Since the bridge is typically located on the outer end face of the second portion 12, the panel vibration of the second portion 12 has a significant effect on the guitar sound effect. The utility model discloses a fretwork guitar panel does not set up the fretwork groove at first portion 11, but only sets up the fretwork groove at second portion 12. The hollowed-out grooves are arranged to enable the thickness of the guitar panel of the second portion 12 to be reduced to a certain extent, and vibration of the guitar panel of the portion is facilitated; secondly, the arris between fretwork groove and the fretwork groove is equivalent to "strengthening rib", plays the effect of guaranteeing guitar panel intensity, and furtherly again, first portion 11 does not set up the fretwork groove, has also guaranteed the intensity of guitar panel to a certain extent, prevents that the guitar panel from warping. Secondly, in order to adapt to the propagation direction of vibration, the hollowed-out grooves comprise a plurality of first hollowed-out grooves 6 and a plurality of second hollowed-out grooves 7 which are arranged in parallel, the angle between the first hollowed-out grooves 6 and the second hollowed-out grooves 7 is 80-100 degrees, the opening direction of the corresponding angle deviates from the guitar head, so that the energy generated by vibration can be fully utilized, and the sound generated by vibration is increased. Because the texture direction of the guitar panel is generally the vertical direction from the head to the tail, when the angle is 80-100 degrees, namely the angle between the first hollowed-out groove 6 and the texture direction is 40-50 degrees, and the angle between the second hollowed-out groove 7 and the texture direction is 40-50 degrees; in this way, vibrations can be transmitted to the second portion 12 in the grain direction of the panel. Further, in the present embodiment, an angle between the first hollow 6 and the second hollow 7 is preferably 90 °.

Furthermore, the groove depth of the first hollow-out groove 6 is 0.7-0.8mm, and the groove depth of the second hollow-out groove 7 is 0.7-0.8 mm; the width of the first hollow-out groove 6 is 3.5-4.5mm, and the width of the second hollow-out groove 7 is 3.5-4.5 mm. In this embodiment, the groove width of the first hollow-out groove 6 is preferably 4mm, and the groove width of the second hollow-out groove 7 is preferably 4 mm. Furthermore, the distance between the first hollow-out grooves 6 is 2.5-3.5mm, and the distance between the second hollow-out grooves 7 is 2.5-3.5 mm; preferably, in this embodiment, the distance between the plurality of first hollow-out grooves 6 is 3mm, and the distance between the plurality of second hollow-out grooves 7 is 3 mm.

Further, the distance between the ends, close to each other, of the first hollowed-out groove 6 and the second hollowed-out groove 7 is 6mm-8 mm. Preferably, in this embodiment, the distance is 7 mm.

Further, since the guitar panel is to be combined with the guitar side plate for barrel processing in the later stage, a space for facilitating barrel combining processing needs to be reserved at the edge of the second portion 12. The width of the end of the first hollowed groove 6 close to the edge of the guitar panel from the guitar panel contour line is 24-26mm, and the width of the end of the second hollowed groove 7 close to the edge of the guitar panel from the guitar panel contour line is 24-26 mm. Preferably, in this embodiment, the width is 25 mm.

In order to further strengthen the range of vibration from top to bottom of panel main part 1 for the whole vibration of guitar panel is more abundant, the utility model discloses in, the thickness of second part 12 is reduced to second part 12 all around by the central point of second part 12 gradually, thereby when stirring the string, the guitar panel uses the bridge to fully vibrate from top to bottom as the center. Further, the thickness of the center point of the second portion 12 is 3.4 to 3.6mm, the thickness of the edge of the first region 4 near the headstock end is 1.7 to 1.9mm, the thickness of the edge of the first region 4 far from the headstock end is 1.0 to 1.2mm, and the thickness of the first region 4 is gradually reduced from the center point of the first portion 11 to the edge of the first region 4 near the headstock end and the edge of the first region 4 far from the headstock end, respectively. Correspondingly, the second region 5 is arranged symmetrically to the first region 4 with the second dividing line as the axis of symmetry: the second region 5 is close toThe thickness of the edge position of one end of the headstock is 1.7-1.9mm, the thickness of the edge position of the second region 5 far away from the headstock is 1.0-1.2mm, and the thickness of the second region 5 gradually decreases from the center point of the first portion 11 to the edge position of the second region 5 near the headstock end and the edge position of the second region 5 far away from the headstock end, respectively. As shown in fig. 1, in the present embodiment, the thickness h of the center point of the second portion 12 is preferably set₁Is 3.5 mm; the thickness h of the first region 4 at the edge position near one end of the headstock₂Is 1.8 mm; thickness h of edge position of first region 4 far from headstock end₃Is 1.1 mm; the thickness h of the second region 5 at the edge position near the end of the headstock₄1.8mm, and the thickness h of the edge position of the second region 5 away from the headstock end₅Is 1.1 mm. Further, the transition region 8 between the edge position of the first region 4 away from the headstock end and the edge position of the second region 5 away from the headstock end is 0.9-1.1mm thick; in the present embodiment, the thickness h is preferable₆Is 1.0 mm.

Furthermore, in order to enhance the strength of the guitar panel, a cover plate (not shown) is additionally covered on the side of the panel body 1 provided with the hollowed-out groove, and the thickness of the cover plate is 0.5mm-1 mm. After the cover plate is covered, a cavity is formed between the hollow groove and the cover plate, and when the panel main body 1 vibrates, air in the cavity vibrates, so that the vibration effect of the guitar panel is further enhanced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a fretwork guitar panel which characterized in that: the guitar comprises a panel body, a first part of the guitar panel is arranged in an area close to the guitar head, and a second part of the guitar panel is arranged in an area far away from the guitar head; an inner end surface of the second portion is symmetrically divided into a first region and a second region with a line in a direction perpendicular to the first boundary line as a second boundary line; the guitar head comprises a guitar head body, a guitar head body and a guitar head body, wherein a plurality of first hollowed-out grooves are arranged on the first area in parallel, a plurality of second hollowed-out grooves are arranged on the second area in parallel, an angle between the first hollowed-out grooves and the second hollowed-out grooves is 80-100 degrees, and the opening direction of the corresponding angle deviates from the guitar head body.

2. The hollowed guitar panel of claim 1, wherein: the groove depth of the first hollowed-out groove is 0.7-0.8mm, and the groove depth of the second hollowed-out groove is 0.7-0.8 mm.

3. The hollowed guitar panel of claim 1 or 2, wherein: the groove width of the first hollow-out groove is 3.5-4.5mm, and the groove width of the second hollow-out groove is 3.5-4.5 mm.

4. The hollowed guitar panel of claim 1, wherein: the distance between the first hollow-out grooves is 2.5-3.5mm, and the distance between the second hollow-out grooves is 2.5-3.5 mm.

5. The hollowed guitar panel of claim 1, wherein: the distance between the ends, close to each other, of the first hollowed-out groove and the second hollowed-out groove is 6mm-8 mm.

6. The hollowed guitar panel of claim 1, wherein: the width of one end of the first hollowed-out groove close to the edge of the guitar panel from the guitar panel contour line is 24-26mm, and the width of one end of the second hollowed-out groove close to the edge of the guitar panel from the guitar panel contour line is 24-26 mm.

7. The hollowed guitar panel of claim 1, wherein: the thickness of the second part is gradually reduced from the center point of the second part to the periphery of the second part.

8. The hollowed guitar panel of claim 7, wherein: the thickness of the center point of the second part is 3.4-3.6mm, the thickness of the edge position of the first area close to the headstock end is 1.7-1.9mm, the thickness of the edge position of the first area far away from the headstock end is 1.0-1.2mm, and the thickness of the first area is gradually reduced from the center point of the first part to the edge position of the first area close to the headstock end and the edge position of the first area far away from the headstock end respectively;

9. The hollowed guitar panel of claim 8, wherein: the thickness of a transition area between the edge position of the first area far away from the headstock end and the edge position of the second area far away from the headstock end is 0.9-1.1 mm.

10. The hollowed guitar panel of claim 1, wherein: and a cover plate is additionally arranged on one surface of the panel main body, which is provided with the hollow groove, and the thickness of the cover plate is 0.5mm-1 mm.