WO2016065967A1

WO2016065967A1 - Clamping-free device for violin

Info

Publication number: WO2016065967A1
Application number: PCT/CN2015/086202
Authority: WO
Inventors: 张庆柳
Original assignee: 张庆柳
Priority date: 2014-10-26
Filing date: 2015-08-06
Publication date: 2016-05-06
Also published as: CN105489205A

Abstract

A clamping-free device for a violin is composed of a violin backboard clamping claw elastic support (24), an adjustable pedestal support (11), a lower right corner violin clamping claw (3), a lower left corner violin clamping claw (23), a backboard lower part clamping claw (13), a back part supporting rod (14), a neck part supporting rod (17) and a chest part supporting pad (19). The violin is stably and fixedly held by the clamping-free device for the violin mainly via the chest part supporting pad (19), a back part supporting pad (15) installed at one end of the back part supporting rod (14) corresponding to the chest part supporting pad (19), and a neck part supporting pad (16) installed at one end of the neck part supporting rod (17) through matching without being clamped via the cheek and the shoulder by force. According to the situation of a user, the insertion positions of the back part supporting rod (14) and the neck part supporting rod (17) are adjusted, a back part supporting rod fixing and adjusting bolt (9) and a neck part supporting rod fixing and adjusting bolt (5) are tightened for fixing, an adjustable pedestal fixing bolt (7) and an adjustable pedestal support adjusting bolt (26) are loosened and thus the adjustable pedestal support (11) can rotate about the adjustable pedestal fixing bolt (7) so that the holding angle between the violin and the human body can be adjusted, and the adjustable pedestal fixing bolt (7) and the adjustable pedestal support adjusting bolt (26) are tightened for fixing after the angle is appropriate. When the clamping-free device for the violin is used, the violin equipped with the clamping-free device can be conveniently placed in the right holding position from the left side of the human body and can be conveniently taken down.

Description

Instruction manual Name of the invention: Violin free clamping device

Technical field

[0001] The present invention relates to a violin-free gripping device, and more particularly to a violin-free gripless piano device.

Background technique

[0002] After practicing and playing with a violin, people must use the shackles and shoulders to hold the violin in order to practice and play. Because of the sweating and stains on the ankles, it is easy to cause damage and infection of the ankles. The practice and performance of the violins cause fatigue in the neck and shoulders. Due to the force exerted by the left shoulder, the flexibility of the left hand is affected. Especially in the high position, the weight of the violin is completely clamped by the jaw and the shoulder, which causes the violin practice and It is harder and harder to practice and play than other instruments.

technical problem

[0003] How to practice and play the violin-free gripping device of any of the small-sized violin pieces without the need to hold the violin and shoulders is a technical problem to be solved by the present invention.

Problem solution

Technical solution

[0004] The violin-free gripping device is composed of a violin back plate clamping claw elastic bracket, an adjustable base bracket, a lower right corner clamping claw, a lower left corner clamping claw, a lower back clamping claw, a back support rod, The neck support rod and the chest support pad are formed, the lower right corner clamps the claw, the lower left corner clamps the claw, and the lower back clamps the claw by respectively clamping the claw elastic bracket, the lower right corner adjusting nut, and the clamping claw elastic bracket The lower left corner adjusting nut and the lower back clamping claw elastic bracket lower adjusting nut are connected with the violin back board clamping claw elastic bracket, and the right lower corner clamps the claws at both ends of the paw to respectively clamp the back of the violin backboard right lower corner On both sides of the board, the claws at the left and lower corners of the claws are clamped on both sides of the back plate of the lower right corner of the violin back plate. The lower part of the back plate clamps the lower part of the violin back plate to the right, and the violin back plate clamps the claws. The right lower part of the bracket is fixedly connected with a right adjustable base fixing nut, the left lower part is fixedly connected with a left adjustable base fixing nut, and the lower part is fixedly connected with a neck supporting rod With nut adjustment fixed block, one end of the neck support rod is supported by the neck support rod with nut adjustment block can be fixed by the neck support rod fixing adjustment bolt, the violin back plate clamps the claw elastic bracket, the upper right end is fixedly connected to the clamping claw elastic bracket Right lower corner Section nut, upper left end fixed connection clamping claw elastic bracket left lower corner adjustment nut, lower fixed connection back plate lower clamping claw elastic bracket lower adjustment nut, adjustable base bracket through right adjustable base fixing nut, adjustable base fixing bolt Left adjustable base fixing nut, adjustable base bracket adjusting bolt and violin back plate clamping claw elastic bracket connection, loosening adjustable base fixing bolt, adjustable base bracket adjusting bolt adjustable base bracket adjustable base fixing bolt Dot rotation, adjustable base bracket lower end adjustable base bracket adjustment bolt is provided with adjustable base bracket adjustment card slot, neck support rod fixed adjustment bolt is provided with adjustment bolt avoiding groove, adjustable base bracket right end fixed connection The back support rod has a nut adjustment fixing block, and the back support rod has a back support rod with a nut adjustment fixed block inserted and fixed by a back support rod fixing adjustment bolt, and the chest support cushion is mounted on the left side of the adjustable base bracket, the shoulder support pad On the adjustable base bracket and the chest branch The support pads are on the right side of the angle greater than 90 degrees, the back support bar is provided with a back support pad at one end, and the neck support bar is provided with a neck support pad at one end.

[0005] Preferably, the adjustable base bracket is equipped with a back support rod and a neck support rod with a nut adjustment common fixing block at one end, and a back support rod and a neck support rod with a nut to adjust the common fixed block at one end of the back support rod. The hole insertion is fixed by the back support rod fixing adjusting bolt, and the neck support rod is fixed at one end by the back support rod and the neck support rod with the nut to adjust the corresponding through hole of the common fixed block. The neck support rod fixing adjusting bolt is fixed and fixed, the neck The support rod is provided with a neck support rod foldable structure pin, the back support rod is provided with a back support rod foldable structure pin, the violin back board clamps the claw elastic support with a violin tail button anti-offset elastic rope, the violin tail button is prevented One end of the elastic string is elastically snapped onto the violin tail button.

[0006] Preferably, the adjustable base bracket is provided with a resilient bracket base, and the right elastic bracket is equipped with a right elastic bracket on the right side of the base, and the right elastic bracket and the elastic bracket base are connected by a right elastic bracket pin, and the right elastic bracket pin is disposed on the right side. The right bracket of the elastic bracket base is fixed, the left elastic bracket is mounted on the left side of the elastic bracket base, the left elastic bracket and the elastic bracket base are connected by the left elastic bracket pin, and the left elastic bracket pin has the elastic bracket base left limit on the left side. The right side of the elastic bracket base is connected with a right adjustable base fixing nut, and the left side of the elastic bracket base is connected with a left adjustable base fixing nut, and the end of the violin tail button anti-detachment elastic rope is elastically inserted into the violin tail button. The other end is fixed at the corresponding boring of the lower part of the elastic bracket base, the back support rod is provided with a back support rod foldable structure pin and a back support rod second section foldable structure pin, and the neck support rod is provided with a neck support rod foldable Structural pin and neck support bar second section foldable structure pin. [0007] Preferably, the fixed base bracket has a shoulder support pad on the upper right side, a chest support pad on the lower left side, a right elastic bracket on the lower right side of the bottom, and a right elastic bracket on the right elastic bracket and the fixed base bracket. Pin connection, the right elastic bracket pin has a fixed base bracket right limit baffle on the right side, a left elastic bracket on the bottom left side, a left elastic bracket and a fixed base bracket are connected by a left elastic bracket pin, and the left elastic bracket pin is on the left side There is a fixed base bracket left limit baffle, one end of the violin tail button anti-offset sleeve is elastically inserted into the violin tail button, and the other end is fixed at the corresponding pupil at the lower part of the fixed base bracket.

[0008] Preferably, the back support rod backrest support rod foldable structure pin has a shoulder back support cushion at one end, and the shoulder back support cushion is curved into a shape with the shoulder to the back shape, and the neck support cushion is formed with the neck shape. arc.

Advantageous effects of the invention

Beneficial effect

[0009] The object of the present invention is to provide a simple and ingenious structure, easy to manufacture, low in cost, convenient to use, hygienic and comfortable, and can easily and conveniently practice and play any violin track without holding the violin and shoulders. The violin is free to hold the piano device.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a first embodiment of the present invention;

2 is a schematic structural view of a second embodiment of the present invention;

3 is a schematic structural view of a third embodiment of the present invention;

4 is a schematic structural view of a fourth embodiment of the present invention;

Figure 5 is a schematic view showing the structure of a fifth embodiment of the present invention.

[0015] In the picture: violin back plate lower right corner 1 clamping claw elastic bracket right lower corner adjustment nut 2 right lower corner clamping claw 3 adjustment bolt avoiding groove 4 neck support rod fixing adjustment bolt 5 shoulder support Pad 6 Adjustable base fixing bolt 7 Right adjustable base fixing nut 8 Back support rod fixing adjustment bolt 9 Back support rod with nut adjustment fixing block 10 Adjustable base bracket 11 Back plate lower clamping claw elastic bracket Lower adjustment nut 12 Back plate Lower clamping pawl 13 Back support bar 14 Back support pad 15 Neck support pad 16 Neck support bar 17 Neck support bar with nut adjustment fixing block 18 Chest support pad 19 Violin back plate 20 Violin back plate Left lower corner 21 Clamp Paw elastic bracket left lower corner adjustment nut 22 left lower corner clamping claw Sub 23 violin back plate clamping claw elastic bracket 24 adjustable base bracket adjustment card slot 25 adjustable base bracket adjustment bolt 26 left adjustable base fixing nut 27 back support rod and neck support rod with nut adjustment common fixing block 28 neck Support rod foldable structure pin 29 violin 腮 30 back support rod foldable structure pin 31 violin tail button 32 violin tail button anti-offset elastic rope 33 right elastic bracket 34 right elastic bracket pin 35 elastic bracket base right limit baffle 36 Back support bar second section foldable structure pin 37 neck support bar second section foldable structure pin 38 left elastic stand pin 39 elastic stand base left limit stop 40 elastic stand base 41 left elastic stand 42 fixed base bracket 43 fixed Base bracket right limit baffle 44 Fix base bracket left limit baffle 45 shoulder back support pad 46.

BEST MODE FOR CARRYING OUT THE INVENTION

5 is a schematic structural view of a fifth embodiment of the present invention, wherein the basic structural principle is the same as that of FIG. 2, except that the back support rod 14 backrest support rod foldable structure pin 31-end loading There is a shoulder back support pad 46, and the shoulder back support pad 46 is curved in a curved shape with the shoulder to the back, and the neck support pad 16 is curved in shape with the neck shape.

Embodiments of the invention

1 is a schematic structural view of a first embodiment of the present invention, in which a violin-free gripping device is clamped by a violin back plate, a claw elastic holder 24, an adjustable base bracket 11, and a lower right corner clamped. The claw 3, the lower left corner clamping claw 23, the lower back clamping claw 13, the back support rod 14, the neck support rod 17, the chest support pad 19, the lower right corner clamps the pawl 3, and the lower left corner clamps The claw 23 and the lower clamping claw 13 of the back plate respectively pass the clamping claw elastic bracket, the lower right corner adjusting nut 2, the clamping claw elastic bracket, the lower left corner adjusting nut 22, the lower back clamping claw, the elastic bracket lower adjusting nut 12 and The violin back plate is clamped to the claw elastic bracket 24, and the claws at the two ends of the right lower corner clamp the claws 3 respectively to the two sides of the back plate of the lower right corner of the violin back plate, and the claws at the two ends of the left lower corner clamp the claws 23 respectively. Close the two sides of the back plate of the right lower corner 21 of the violin backboard, the lower clamping claw 13 of the back plate is fastened to the right side of the lower part of the violin back plate 20, and the violin back plate is fastened to the right lower part of the elastic support bracket 24 with a right adjustable bottom. The fixing nut 8 is fixedly connected with a left adjustable base fixing nut 27 at the lower left portion, and the neck supporting rod with a nut adjusting fixing block 18 is fixedly connected at the lower portion. The neck supporting rod 17-end is supported by the neck supporting rod with a nut adjusting block. 18 inserts can be used to secure the neck support rod Fixing bolt 5 is tightened and fixed, violin back plate clamps claw elastic bracket 24 right upper end fixed connection clamping claw elastic bracket right lower corner adjusting nut 2, left upper fixed connection clamping claw elastic bracket lower left corner adjusting nut 22, lower part Fixed connection back plate lower clamping claw elastic bracket lower adjusting nut 12, adjustable base bracket 11 through right adjustable base fixing nut 8, adjustable base fixing bolt 7, left adjustable base fixing nut 27, adjustable base bracket adjusting bolt 26 is connected with the violin back plate clamping claw elastic bracket 24, loosening the adjustable base fixing bolt 7, adjustable base bracket adjusting bolt 26 adjustable base bracket 11 adjustable base fixing bolt 7 for dot rotation, adjustable base bracket 11 lower end adjustable base bracket adjustment bolt 26 is provided with adjustable base bracket adjustment card slot 25, neck support rod fixed adjustment bolt 5 is provided with adjustment bolt avoiding slot 4, adjustable base bracket 11 right end fixed connection with back support The rod has a nut adjustment fixing block 10, and one end of the back support rod 14 is supported by a back support rod with a nut. The back support rod fixing adjusting bolt 9 is screwed and fixed, and the chest support pad 19 is mounted on the lower left side of the adjustable base bracket 11. The shoulder support pad 6 is mounted on the adjustable base bracket 11 and the chest support pad 19 is at an angle of more than 90 degrees. On the right side of the back, the back support rod 14 is provided with a back support pad 15 at one end, and a neck support pad 16 at the end of the neck support rod 17 . The violin-free gripping device is mainly supported by the chest support pad 19 and its corresponding back support. The back support pad 15 at one end of the rod 14 and the neck support pad 17 at the end of the neck support rod 16 cooperate to hold the violin firmly, without the need to clamp with the shoulder and the shoulder, and use the cymbal to protect the violin from the clip. Holding the lower right corner of the piano device, the claws at the two ends of the claw 3 are respectively clamped on the two sides of the back plate of the lower right corner of the violin back plate, and the claws at the left and lower corners of the claws are clamped to the lower right of the violin back plate respectively. On both sides of the back plate of the corner 21, the lower clamping claw 13 of the back plate clamps the lower portion of the violin back plate 20 to the right side, and adjusts the insertion position of the back support bar 14 and the neck support bar 17 according to the user's condition, and tightens the back support bar. solid Adjusting bolt 9 and neck support rod fixing adjusting bolt 5 fixed, loosening adjustable base fixing bolt 7, adjustable base bracket adjusting bolt 26 adjustable base bracket 11 adjustable base fixing bolt 7 for dot rotation adjustable violin and The angle of the human body is held, and the adjustable base fixing bolts 7 and the adjustable base bracket adjusting bolts 26 are fixed. The violin with the violin-free holding device can be conveniently placed from the left side of the human body to the right piano. Location and easy to remove.

2 is a schematic structural view of a second embodiment of the present invention. In the figure, one end of the adjustable base bracket 11 is equipped with a back support rod and a neck support rod with a nut adjustment common fixing block 28, and one end of the back support rod 14 is supported by the back. Rod and neck support rod with nut adjustment common fixing block 28 corresponding through hole insertion by back support rod The fixing adjusting bolt 9 is screwed and fixed, and the neck supporting rod 17-end is supported by the back supporting rod and the neck supporting rod with the nut adjusting the corresponding fixing hole of the common fixing block 28. The neck fixing rod is fixed by the neck supporting rod fixing bolt 5, the neck support The rod 17 is provided with a neck support rod foldable structure pin 29, the back support rod 14 is provided with a back support rod foldable structure pin 31, and the violin back board clamp claw elastic support 24 is provided with a violin tail button anti-offset elastic string ₃₃ . The violin tail button anti-offset sleeve 33 is elastically inserted into the violin tail button 32, the neck support rod 17 is provided with a neck support rod foldable structure pin 29, and the back support rod 14 is provided with a back support rod foldable structure pin 31, for convenient carrying, the neck support rod 17 is folded at the neck support rod foldable structure pin 29, and the back support rod 14 is folded at the back support rod foldable structure pin 31, which can reduce the carrying violin free clip With the space occupied by the piano device, the violin tail button anti-offset rope 33 is elastically inserted into the violin tail button 32 to prevent the violin from accidentally slipping.

3 is a schematic structural view of a third embodiment of the present invention. In the figure, the adjustable base bracket 11 is provided with a resilient bracket base 41, and the right side of the elastic bracket base 41 is provided with a right elastic bracket 34, and the right elastic bracket 34 is The elastic bracket base 41 is connected by the right elastic bracket pin 35, and the right elastic bracket pin 35 is provided with a flexible bracket base right limiting baffle 36 on the right side thereof, and the left elastic bracket 42 is disposed on the left side of the elastic bracket base 41, and the left elastic bracket 42 is The elastic bracket base 41 is connected by the left elastic bracket pin 39, the left elastic bracket pin 39 is provided with a flexible bracket base left limit baffle 40 on the left side, and the right adjustable base fixing nut 8 is connected to the right side of the elastic bracket base 41, the elastic bracket A left adjustable base fixing nut 27 is connected to a corresponding portion on the left side of the base 41, and a violin tail button anti-detachment elastic rope 33 is elastically inserted into the violin tail button 32, and the other end is fixed at a corresponding pupil at the lower portion of the elastic bracket base 41. The back support rod 14 is provided with a back support rod foldable structure pin 3 1 and a back support rod second section foldable structure pin 37, and the neck support rod 17 is provided with a neck The strut foldable structure pin 29 and the neck support bar second section foldable structure pin 38, and the left elastic bracket 42 rotates with the left elastic bracket pin 39 as a dot to rotate the left elastic bracket 42 close to the elastic bracket base 41 The reverse needle rotation is limited by the elastic bracket base left limit baffle 40, and the right elastic bracket 34 is rotated by the right elastic bracket pin 35 as a dot to rotate the left elastic bracket 42 close to the elastic bracket base 41, The needle rotation is limited by the elastic bracket base limit baffle 36, the back support rod foldable structure pin 31 and the back support rod second section foldable structure pin 37, the neck support rod foldable structure pin 29 and the neck support The second section foldable structure pin 38 of the rod is provided with a limiting structure such that the back support rod 14 and the neck support rod 17 can only be folded in a specified direction. 4 is a schematic structural view of a fourth embodiment of the present invention, in which the fixed base bracket 43 is provided with a shoulder support pad 6 on the upper right side and a chest support pad 19 on the lower left side, the bottom right side. The right elastic bracket 34 is mounted below, and the right elastic bracket 34 and the fixed base bracket 43 are connected by the right elastic bracket pin 35, and the right elastic bracket pin 35 is provided with a fixed base bracket right limit baffle 44 on the right side, and the bottom left side is mounted on the bottom. The left elastic bracket 42 , the left elastic bracket 42 and the fixed base bracket 43 are connected by the left elastic bracket pin 39 , and the left elastic bracket pin 3 9 has a fixed base bracket left limit baffle 45 on the left side thereof, and the violin tail button anti-detachment elastic rope The 33-end elastic snaps into the violin tail button 32, and the other end is fixed at the corresponding pupil at the lower portion of the fixed base bracket 43.

Industrial applicability

[0021] The product of the invention has simple and ingenious structure and is suitable for mass production of automated assembly line operations.

Claims

Claim

[Claim 1] A violin-free gripping device, characterized in that a violin back plate clamps a paw elastic bracket (24), an adjustable base bracket (11), a lower right corner clamps a paw (3), The lower left corner clamps the claw (23), the lower back clamp claw (13), the back support rod (14), the neck support rod (17), the chest support cushion (19), and the lower right corner clamps the paw (3), the lower left corner clamping claw (23), the lower back clamping claw (13) respectively by clamping the claw elastic bracket right lower corner adjusting nut (2), clamping claw elastic bracket lower left corner adjusting nut (22), the lower part of the back plate clamps the claw elastic bracket lower adjustment nut

(12) Connect with the violin back plate clamping claw elastic bracket (24), the lower right corner clamping claws (3) The claws at both ends of the violin back plate respectively clamp the two sides of the back plate of the lower right corner of the violin back (1), left lower piano Corner claws (23) The claws at both ends are respectively clamped on the back side of the lower right corner of the violin back plate (21), and the lower part of the back plate is clamped (13) to clamp the lower part of the violin back plate (20) to the right. Violin back plate clamping claw elastic bracket (24) Right lower fixed connection with right adjustable base fixing nut (8), left lower fixed connection with left adjustable base fixing nut

(27), the lower fixed connection has a neck support rod with a nut adjustment block (18), the neck support rod (17) - the end is supported by the neck support rod with a nut adjustment block (18) inserted into the neck support rod can be fixed Adjusting bolt (5) Tightening and fixing, violin back plate clamping claw elastic bracket (24) Right upper end fixed connection clamping claw elastic bracket right lower corner adjusting nut (2), left upper fixed connection clamping claw elastic bracket left lower corner Adjusting nut (22), lower fixed connection lower plate lower clamping claw elastic bracket lower adjusting nut (12), adjustable base bracket (11) through right adjustable base fixing nut (8), adjustable base fixing bolt (7) , Adjustable base fixing nut (27), Adjustable base bracket adjusting bolt (26) Connect with violin back plate clamping claw elastic bracket (24), loosen adjustable base fixing bolt ( 7), Adjustable base bracket adjustment Bolt (26) Adjustable base bracket (11) Adjustable base fixing bolt (7) for dot rotation, adjustable base bracket (11) Lower end adjustable base bracket adjustment bolt (26) Adjustable base bracket adjustment slot (25), neck support rod fixing adjustment bolt (5) with adjustment bolt relief groove (4), adjustable base bracket (11), right end fixed connection with back support rod with nut adjustment Fixed block (10 ), the back support rod (14) is supported by a back support rod with a nut adjustment block at one end (10). The adjustment bolt (9) is fixed by a back support rod. The chest support cushion (19) is attached to the adjustable base bracket (11). On the lower left side, the shoulder support pad (6) is mounted on the right side of the adjustable base bracket (11) and the chest support pad (19) at an angle greater than 90 degrees, and the back support bar (14) is equipped with a back support at one end. Pad (15), neck support rod (17) - end with neck support pad (16).

[Claim 2] The violin-free gripping device according to claim 1, wherein the adjustable base bracket (11) is provided with a back support rod and a neck support rod with a nut adjustment common fixing block at one end (28) , the back support rod (14) is fixed at one end by the back support rod and the neck support rod with the nut adjustment common fixing block (28). The corresponding through hole is inserted by the back support rod fixing bolt (9), the neck support rod (17) ) - the end of the support rod and the neck support rod with the nut to adjust the common fixing block (28) of the corresponding through hole insertion is fixed by the neck support rod fixing adjustment bolt (5), the neck support rod (17) is fitted with a neck a support rod foldable structure pin (29), a back support rod (14) with a back support rod foldable structure pin (31), a violin back plate clamp claw elastic support (24) with a violin tail button anti-offset sleeve Rope (33), violin tail button anti-offset rope (33) - the end elastic snaps into the violin tail button (32).

[Claim 3] The violin-free gripping device according to claim 1, wherein the adjustable base bracket (11) is provided with a resilient bracket base (41), and the elastic bracket base (41) is mounted on the right side of the bottom. There is a right elastic bracket (34), the right elastic bracket (34) and the elastic bracket base (41) are connected by the right elastic bracket pin (35), and the right elastic bracket pin (35) is provided with a flexible bracket base right limit baffle on the right side. (36), the elastic bracket base (41) is equipped with a left elastic bracket (42) on the left side, the left elastic bracket (42) and the elastic bracket base (41) are connected by the left elastic bracket pin (39), and the left elastic bracket pin ( 39) There is a flexible bracket base left limit baffle (40) on the left side, and a right adjustable base fixing nut (8) is connected to the right side of the elastic bracket base (41). The elastic bracket base (41) is connected to the corresponding part on the left side. Left adjustable base fixing nut (27), violin tail button anti-detachment elastic rope (33) - the end elastically snaps into the violin tail button (32), and the other end is fixed to the lower part of the elastic bracket base (41) At the desired pupil, the back support bar (14) is equipped with a back support bar foldable structure pin (31) and a back support bar second section foldable structure pin (37), and the neck support bar (17) is fitted with a neck The support rod foldable structure pin (29) and the neck support rod second section foldable structure pin (38).

[Claim 4] The violin-free gripping device according to claim 1, wherein the fixed base bracket (43) has a shoulder support pad (6) on the upper right side and a chest support on the lower left side. Pad (19), right rear right side is equipped with right elastic bracket (34), right elastic bracket (34) and fixed base bracket (43) are connected by right elastic bracket pin (35), right elastic bracket pin (35) is right A fixed base bracket right limit baffle (44) is provided, and a left elastic bracket (42) is mounted on the lower left side of the bottom, and the left elastic bracket (42) and the fixed base bracket (43) are connected by the left elastic bracket pin (39). The left elastic bracket pin (39) has a fixed base bracket left limit baffle (45) on the left side, and a violin tail button anti-detachment elastic rope (33) - the end elastically snaps into the violin tail button (32), and the other end is fixed At the corresponding boring of the lower part of the fixed base bracket (43).

[Claim 5] The violin-free gripping device according to claim 2, characterized in that: the back support bar (14) the backrest support bar foldable structure pin (31) - the end is provided with a shoulder back support pad (46) ), the shoulder back support pad (46) is curved in shape with the shoulder to the back shape, and the neck support pad (16) is curved in shape with the neck shape.