CN213781551U - Piano box panel convenient to connect - Google Patents

Abstract

The utility model belongs to the technical field of the guitar technique and specifically relates to a musical instrument case panel convenient to connect, keep off the dish and contact with the backplate medial surface, be provided with two horizontal poles that are parallel to each other between four spliced poles, every horizontal pole all corresponds the setting with two adjacent spliced poles, all be provided with two cardboards with the spliced pole one-to-one on the horizontal pole lateral surface, a draw-in groove has all been seted up on every cardboard, the spliced pole is all inserted and is established in the draw-in groove and interference fit with it, the cardboard lower surface all contacts with adjacent fender dish surface, every horizontal pole both sides are provided with a guide rail respectively, the equal perpendicular horizontal pole setting of guide rail, the both ends of horizontal pole all outwards extend until inserting during corresponding side guide rail, rotatable two pivots of installing on the backplate between two horizontal poles, the inboard end of every pivot is equallyd divide and is do not through crank coupling mechanism and a horizontal pole fixed connection. The utility model discloses can not use glue just can fix the panel, not only later stage maintenance changes convenience very, simultaneously also more environmental protection.

Description

Piano box panel convenient to connect

Technical Field

The utility model relates to a guitar technical field especially relates to a musical instrument case panel convenient to connect.

Background

The guitar is translated into a six-string instrument. The front plate and the back plate are flat, the waist part of the guitar is generally not provided with corners and is concave inwards, and the classical guitar is generally not provided with pits. The neck is wide and long, and the fingerboard is provided with a capo and a number of narrow, slightly upwardly projecting, metal cross-bars, called "frets", which divide the strings into a number of semitones. The guitar case mainly comprises panel, backplate, curb plate, and the mode that current panel was fixed on the curb plate mainly adopts a large amount of powerful glue to bond, and such mounting means is though simple and convenient, in case the panel damages, then needs the professional to utilize the instrument to change the panel, and the maintenance cost that produces is very high, and simultaneously a large amount of glue that uses, the various harmful substance that contain in the glue probably harm the health in the use, very not environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the panel among the prior art to adopt glue to bond, the later stage is dismantled and is changed inconveniently, the shortcoming of while not environmental protection, and the musical instrument case panel of being convenient for connect that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a designed piano case panel convenient to connect comprises a panel and a back plate which are arranged correspondingly, sound holes are formed in the panel, a side plate is arranged between the panel and the back plate, and the side plate is fixedly connected to the back plate, the piano case panel is characterized in that four connecting columns which are distributed in a rectangular shape are fixedly arranged on the inner side surface of the panel, the tail end of the outer side of each connecting column is fixedly provided with a baffle disc, the diameter of each baffle disc is larger than that of the connecting column, the baffle discs are contacted with the inner side surface of the back plate, two cross rods which are parallel to each other are arranged between the four connecting columns, each cross rod is arranged correspondingly to two adjacent connecting columns, two clamping plates which are in one-to-one correspondence to the connecting columns are arranged on the outer side surfaces of the cross rods, each clamping plate is provided with a clamping groove, the connecting columns are inserted into the clamping grooves and are in interference fit with the clamping grooves, and the lower surfaces of the clamping plates are contacted with the surfaces of the adjacent baffle discs, every the horizontal pole both sides are provided with a guide rail respectively, the equal perpendicular horizontal pole setting of guide rail, the both ends of horizontal pole all outwards extend until inserting corresponding side guide rail in, two rotatable two pivots of installing on the backplate between the horizontal pole, every do not divide equally through crank connecting mechanism and a horizontal pole fixed connection, every at the inboard end of pivot the terminal fixed connection stop gear that all outwards extends until running through the backplate back in the pivot outside.

Preferably, crank link mechanism includes the crank, and equal fixed mounting has a crank, every on the inboard tip of every pivot all be provided with a connecting rod between crank and the horizontal pole that corresponds, run through first montant, the second montant that is provided with mutual parallel on the connecting rod, first montant bottom fixed connection is on the crank, second montant bottom fixed connection is on the horizontal pole that corresponds, a stop nut is installed to equal screw thread on the body of rod of first montant, the second montant of connecting rod top.

Preferably, stop gear includes disc, bolt, cross recess, fixed mounting has a disc on the end of pivot outside, the disc passes through bolt fixed connection on the backplate, the centre department of disc surface is opened there is the cross recess.

Preferably, the contact surfaces of the baffle disc and the back plate are covered with rubber layers.

The utility model provides a pair of musical instrument case panel convenient to connect, beneficial effect lies in: through setting up the pivot, crank link mechanism etc, when needs are dismantled to the panel, only need lift the back off with the bolt on every disc, utilize dedicated instrument to insert in the cross recess, rotatory disc afterwards, it is rotatory to utilize the disc to drive the pivot, the pivot is through crank link mechanism with every horizontal pole to the pull of pivot side, this moment under the guide effect of two guide rails, the spliced pole is kept away from to the horizontal pole will drive the cardboard, make the spliced pole lose the limiting displacement of cardboard, only need outwards stimulate the panel this moment, just can take off the panel, very convenient quick, the in-process that goes on fixing at the panel also need not use a large amount of glue to bond, very environmental protection.

Drawings

Fig. 1 is a first schematic structural view of a case panel convenient for connection according to the present invention;

fig. 2 is a schematic structural view of a piano cabinet panel convenient for connection according to the present invention;

FIG. 3 is a schematic diagram of a structure of a piano cabinet panel convenient for connection according to the present invention;

FIG. 4 is a first schematic view of the interior structure of the case panel of the present invention for easy connection;

FIG. 5 is a schematic view of the internal structure of the piano cabinet panel convenient for connection according to the present invention;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5 at A;

fig. 7 is a partial structural diagram of fig. 2 at B.

In the figure: the sound hole connecting plate comprises a panel 1, a side plate 2, a back plate 3, a sound hole 4, a connecting column 5, a blocking disc 6, a blocking plate 7, a cross rod 8, a guide rail 9, a rotating shaft 10, a crank 11, a first vertical rod 12, a connecting rod 13, a second vertical rod 14, a disc 15, a bolt 16, a cross groove 17 and a clamping groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-7, a piano cabinet panel convenient to connect comprises a panel 1 and a back plate 3 which are correspondingly arranged, a sound hole 4 is formed in the panel 1, a side plate 2 is arranged between the panel 1 and the back plate 3, the side plate 2 is fixedly connected to the back plate 3, four connecting columns 5 which are distributed in a rectangular shape are fixedly arranged on the inner side surface of the panel 1, a baffle disc 6 is fixedly arranged at the tail end of the outer side of each connecting column 5, the diameter of each baffle disc 6 is larger than that of each connecting column 5, and the baffle discs 6 are in contact with the inner side surface of the back plate; the contact surface of the blocking disc 6 and the back plate 3 is covered with a rubber layer, and the blocking disc 6 can be prevented from crushing the back plate 3 by arranging the rubber layer.

Two cross rods 8 which are parallel to each other are arranged between the four connecting columns 5, each cross rod 8 is arranged corresponding to the adjacent two connecting columns 5, two clamping plates 7 which are in one-to-one correspondence with the connecting columns 5 are arranged on the outer side surfaces of the cross rods 8, a clamping groove 18 is arranged on each clamping plate 7, the connecting columns 5 are inserted in the clamping grooves 18 and are in interference fit with the clamping grooves, the lower surfaces of the clamping plates 7 are contacted with the surfaces of the adjacent baffle discs 6, two sides of each cross rod 8 are respectively provided with a guide rail 9, the guide rails 9 are arranged perpendicular to the cross rods 8, two ends of each cross rod 8 extend outwards until being inserted into the corresponding side guide rails 9, two rotating shafts 10 are rotatably mounted on the back plate 3 between the two cross rods 8, the tail end of the inner side of each rotating shaft 10 is fixedly connected with one cross rod 8 through a crank connecting mechanism, and the tail end of the outer side of each rotating shaft 10 extends outwards until penetrating through the back plate 3 and is fixedly connected with a limiting mechanism. After the clamping plate 7 is clamped on the connecting plate 5, the connecting column 5 is fixed because the diameter of the blocking disc 6 is larger than that of the connecting column 5, and the blocking disc 6 is blocked by the clamping plate 7 at the moment.

The limiting mechanism comprises a disc 15, a bolt 16 and a cross groove 17, the disc 15 is fixedly installed at the tail end of the outer side of the rotating shaft 10, the disc 15 is fixedly connected to the back plate 3 through the bolt 16, and the cross groove 17 is formed in the center of the outer surface of the disc 15.

The utility model discloses when using, when needs are dismantled the mounting plate, only need lift the back off with bolt 16 on every disc 15, utilize dedicated instrument to insert in cross recess 17, rotatory disc 15 afterwards, it is rotatory to utilize disc 15 to drive pivot 10, pivot 10 is through the pulling of crank link mechanism with every horizontal pole 8 to pivot 10 side, this moment under the guide effect of two guide rails 9, horizontal pole 8 will drive cardboard 7 and keep away from spliced pole 5, make spliced pole 5 lose the limiting displacement of cardboard 7, only need outwards stimulate panel 1 this moment, just can take off panel 1, very convenient quick, in-process that goes on fixing at mounting plate 1 also need not use a large amount of glue to bond, very environmental protection.

Example 2

Referring to fig. 7, as another preferred embodiment of the present invention, the difference with embodiment 1 lies in that the crank-link mechanism includes crank 11, first montant 12, connecting rod 13, second montant 14, equal fixed mounting has a crank 11 on the inboard tip of every pivot 10, all be provided with a connecting rod 13 between every crank 11 and the horizontal pole 8 that corresponds, it is provided with first montant 12 that is parallel to each other to run through on the connecting rod 13, second montant 14, first montant 12 bottom fixed connection is on crank 11, second montant 14 bottom fixed connection is on the horizontal pole 8 that corresponds, first montant 12 of connecting rod 13 top, a stop nut is installed to the equal screw thread on the body of rod of second montant 14.

When the rotating shaft 10 is rotated, the rotating shaft 10 drives the crank 11 to rotate, the crank 11 pulls the connecting rod 13 towards the rotating shaft 10 side, and the connecting rod 13 pulls the cross rod 8, so that the cross rod 8 can be pulled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. The piano box panel convenient to connect comprises a panel (1) and a back plate (3) which are arranged correspondingly, wherein sound holes (4) are formed in the panel (1), a side plate (2) is arranged between the panel (1) and the back plate (3), the side plate (2) is fixedly connected to the back plate (3), the piano box panel is characterized in that four connecting columns (5) distributed in a rectangular shape are fixedly installed on the inner side surface of the panel (1), a baffle disc (6) is fixedly installed at the tail end of the outer side of each connecting column (5), the diameter of each baffle disc (6) is larger than that of each connecting column (5), the baffle discs (6) are in contact with the inner side surface of the back plate (3), two cross rods (8) which are parallel to each other are arranged between the four connecting columns (5), each cross rod (8) is arranged correspondingly to the two adjacent connecting columns (5), two clamping plates (7) which are in one-to-one correspondence to the connecting columns (5) are arranged on the outer side surface of the cross rods (8), every a draw-in groove (18) has all been seted up on cardboard (7), spliced pole (5) are all inserted and are established in draw-in groove (18) and interference fit with it, cardboard (7) lower surface all contacts with adjacent fender dish (6) surface, every horizontal pole (8) both sides are provided with a guide rail (9) respectively, the equal perpendicular horizontal pole (8) of guide rail (9) set up, the both ends of horizontal pole (8) all outwards extend until inserting and correspond side guide rail (9) in, two rotatable two pivot (10) of installing on backplate (3) between horizontal pole (8), every pivot (10) inboard end is equallyd divide and is do not through crank coupling mechanism and a horizontal pole (8) fixed connection, every pivot (10) outside end all outwards extends until running through fixedly connected with stop gear behind backplate (3).

2. The piano cabinet panel convenient to connect as claimed in claim 1, wherein the crank-link mechanism comprises a crank (11), one crank (11) is fixedly mounted at the inner end of each rotating shaft (10), a connecting rod (13) is arranged between each crank (11) and the corresponding cross rod (8), a first vertical rod (12) and a second vertical rod (14) which are parallel to each other are arranged on the connecting rod (13) in a penetrating manner, the bottom end of the first vertical rod (12) is fixedly connected to the crank (11), the bottom end of the second vertical rod (14) is fixedly connected to the corresponding cross rod (8), and a limit nut is threadedly mounted on the rod body of the first vertical rod (12) and the second vertical rod (14) above the connecting rod (13).

3. The piano cabinet panel convenient to connect according to claim 1, wherein the limiting mechanism comprises a disc (15), a bolt (16) and a cross slot (17), the disc (15) is fixedly installed at the outer end of the rotating shaft (10), the disc (15) is fixedly connected to the back plate (3) through the bolt (16), and the cross slot (17) is formed in the center of the outer surface of the disc (15).

4. The easy-to-connect piano cabinet panel according to claim 1, wherein the contact surfaces of the baffle plate (6) and the back plate (3) are covered with rubber layers.

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