A multifunctional bent leg sternpost based on cello

CN224773556UActive Publication Date: 2026-09-18DACHENG COUNTY FULISIYA MUSICAL INSTR ACCESSORIES CO LTD
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Patent Information

Application Number
CN202522038418.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2026-09-18
Estimated Expiration
2035-09-23

AI Technical Summary

Technical Problem

[0003]大提琴的尾柱大多为圆锥状,且与防滑垫的配合时的稳定性一般,同时其材质的重量较重,较难携带,同时其长度固定,不能根据使用者的身材进行自由调节,导致演奏者从小到大需要更换多跟尾柱

Benefits of technology

该基于大提琴的多功能弯腿尾柱,脚钉的弯腿设计与现有的直角有明显区别,通过设置的脚钉,其与防滑垫搭配,可以进一步提高大提琴安装的稳定性,同时脚钉、弯腿尾柱本体和丝杆均为钢与铝合金材料,能提高使用寿命的同时还方便携带。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of multifunctional bent leg tail column based on cello, it is related to bent leg tail column field for cello, including bent leg tail column body, the inner cavity of bent leg tail column body is threadedly connected with screw rod, the bottom of the outer wall of screw rod is rotatably connected with second grommet, the bottom of second grommet is installed with foot nail, the both sides of bent leg tail column body are symmetrically movably connected with linkage rod, the top of bent leg tail column body is installed with sleeve, the top of bent leg tail column body is installed with universal joint, sleeve is installed in the top of bent leg tail column body by universal joint.The utility model discloses a kind of multifunctional bent leg tail column based on cello, the bent leg design of foot nail is obviously different from existing right angle, by setting foot nail, it is collocated with antiskid pad, can further improve the stability of cello installation, while foot nail, bent leg tail column body and screw rod are steel and aluminum alloy material, can improve service life while also convenient to carry.
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Description

Technical Field

[0001] This utility model relates to the field of curved tailpieces for cellos, and in particular to a multifunctional curved tailpiece based on a cello. Background Technology

[0002] The cello, renowned for its warm and rich tone, is one of the most common instruments in a symphony orchestra. It is suited to a variety of roles: sometimes joining the bass line, emitting a heavy sigh in the lower register; other times, its middle two strings act as the rhythmic anchor.

[0003] The tailpiece of a cello is mostly conical, and its stability when used with a non-slip pad is generally poor. In addition, its material is relatively heavy, making it difficult to carry. Furthermore, its length is fixed and cannot be freely adjusted according to the user's size, which means that players need to replace the tailpiece multiple times as they grow up.

[0004] Therefore, it is necessary to propose a multifunctional curved tailpiece based on the cello to solve the above problems. Utility Model Content

[0005] The main purpose of this invention is to provide a multifunctional curved tailpiece based on a cello, which can effectively solve the problems in the background technology.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A multifunctional curved tailpiece based on a cello includes a curved tailpiece body, a lead screw threaded into the inner cavity of the curved tailpiece body, a second washer rotatably connected to the bottom of the outer wall of the lead screw, a foot nail installed at the bottom of the second washer, connecting rods symmetrically and movably connected to both sides of the curved tailpiece body, and a sleeve installed at the top of the curved tailpiece body.

[0007] Preferably, a universal joint is installed on the top of the curved leg tail column body, the sleeve is installed on the top of the curved leg tail column body through the universal joint, a positioning bolt is installed on the outer wall of the sleeve, the sleeve is a cavity structure with the top communicating with the outside, and the positioning bolt extends into the inner cavity of the sleeve.

[0008] Preferably, the curved leg tail column body has symmetrical movable grooves on both sides, and a fixed rod is installed in the inner cavity of the movable groove. Springs are wound around the top and bottom of the outer wall of the fixed rod, and one end of the spring is installed in the inner cavity of the movable groove.

[0009] Preferably, a first reinforcing block is installed at the top of the linkage rod, and a second reinforcing block is installed at the bottom of the linkage rod. The first reinforcing block is movably connected to the inner cavity of the movable groove and sleeved on the outer wall of the fixed rod on the side near the body of the bent leg tail column.

[0010] Preferably, the other end of the spring is connected to the first reinforcing block, and the two second reinforcing blocks are symmetrically installed on both sides of the second washer.

[0011] Preferably, a first washer ring is installed at the bottom of the curved leg tail column body, a limiting block is installed at the top of the lead screw, the limiting block is movably connected in the inner cavity of the curved leg tail column body, the bottom of the inner cavity of the curved leg tail column body is threadedly connected to the lead screw, the shape of the foot nail is either L-shaped or arc-shaped as designed for the curved leg, and the materials of the curved leg tail column body, the lead screw and the foot nail are steel and aluminum alloy.

[0012] Compared with the prior art, the present invention has the following beneficial effects: This multi-functional curved tailpiece based on a cello features a curved leg design for the feet that differs significantly from existing right-angle designs. The feet, combined with anti-slip pads, further enhance the stability of the cello during installation. Furthermore, the feet, the curved tailpiece body, and the lead screw are all made of steel and aluminum alloy, which improves service life and makes the device easy to carry. This multi-functional curved tailpiece based on the cello features a sleeve and positioning bolt for easy connection to the cello, and a threaded rod for threaded connection to the tailpiece body. This allows for adjustment of the foot pin position, enabling adjustments based on the user's size and the cello's dimensions during cello installation, and also improving playing comfort. This multi-functional curved tailpiece based on a cello, through the setting of a first reinforcing block, a connecting rod, and a second reinforcing block, allows the first reinforcing block to move within the inner cavity of the movable groove and the outer wall of the fixed rod when the position of the curved tailpiece body and the lead screw are adjusted. At the same time, it can stretch and contract the spring, so the spring can provide a tensioning effect on the first reinforcing block, which can improve the stability of the curved tailpiece body and the lead screw after adjustment and prevent additional shaking. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a utility model Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the structure of the curved leg tail column body of this utility model; Figure 4 This is a schematic diagram of the lead screw of this utility model.

[0014] In the diagram: 1. Bent-leg tail column body; 2. Universal joint; 3. Sleeve; 4. Positioning bolt; 5. First washer ring; 6. Movable groove; 7. Spring; 8. Fixing rod; 9. First reinforcing block; 10. Linking rod; 11. Second reinforcing block; 12. Lead screw; 13. Limiting block; 14. Second washer ring; 15. Foot nail. Detailed Implementation

[0015] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0016] like Figures 1-4 As shown, a multifunctional curved tailpiece based on a cello includes a curved tailpiece body 1. A lead screw 12 is threaded into the inner cavity of the curved tailpiece body 1. A second washer 14 is rotatably connected to the bottom of the outer wall of the lead screw 12. A foot nail 15 is installed at the bottom of the second washer 14. Connecting rods 10 are symmetrically and movably connected to both sides of the curved tailpiece body 1. A sleeve 3 is installed on the top of the curved tailpiece body 1. A universal joint 2 is installed on the top of the curved tailpiece body 1. The sleeve 3 is installed on the top of the curved tailpiece body 1 through the universal joint 2. A positioning bolt 4 is installed on the outer wall of the sleeve 3. The sleeve 3 is a hollow structure with its top communicating with the outside. The positioning bolt 4 extends into the inner cavity of the sleeve 3. Movable grooves 6 are symmetrically opened on both sides of the curved tailpiece body 1. A fixing rod 8 is installed in the inner cavity of the movable groove 6. Springs are wound around the top and bottom of the outer wall of the fixing rod 8. 7. One end of the spring 7 is installed in the inner cavity of the movable groove 6. The top of the connecting rod 10 is equipped with a first reinforcing block 9, and the bottom of the connecting rod 10 is equipped with a second reinforcing block 11. The side of the first reinforcing block 9 near the bent leg tail column body 1 is movably connected in the inner cavity of the movable groove 6 and sleeved on the outer wall of the fixed rod 8. The other end of the spring 7 is connected to the first reinforcing block 9. The two second reinforcing blocks 11 are symmetrically installed on both sides of the second washer 14. The bottom of the bent leg tail column body 1 is equipped with a first washer 5. The top of the screw rod 12 is equipped with a limit block 13. The limit block 13 is movably connected in the inner cavity of the bent leg tail column body 1. The bottom of the inner cavity of the bent leg tail column body 1 is threadedly connected to the screw rod 12. The shape of the foot nail 15 is either an L-shape or an arc shape designed for the bent leg. The bent leg tail column body 1, the screw rod 12 and the foot nail 15 are made of steel and aluminum alloy. The curved leg design of the foot spike 15 differs significantly from existing right-angle designs. This design, combined with the anti-slip pad, further enhances the stability of the cello installation. Furthermore, the foot spike 15, the curved tailpiece body 1, and the lead screw 12 are all made of steel and aluminum alloy, increasing their lifespan and making them easy to carry. The included sleeve 3 and positioning bolt 4 facilitate connection to the cello, while the lead screw 12 connects threadedly to the curved tailpiece body 1, allowing for adjustment of the foot spike 15's position during cello installation. Adjustable to fit the user's body size and the cello's dimensions, this system can improve playing comfort. Through the first reinforcing block 9, the connecting rod 10, and the second reinforcing block 11, the first reinforcing block 9 can move within the inner cavity of the movable groove 6 and the outer wall of the fixed rod 8 during position adjustment of the curved tailstock body 1 and the lead screw 12. Simultaneously, it can stretch and contract the spring 7. Therefore, the spring 7 provides tension to the first reinforcing block 9, improving the stability of the curved tailstock body 1 and the lead screw 12 after adjustment and preventing additional wobbling.

[0017] It should be noted that this utility model is a multi-functional curved tailpiece based on a cello. When in use, the anti-slip mat is placed on the ground, and the curved tailpiece body 1 is connected to the cello through the sleeve 3 and the positioning bolt 4. The screw 12 is rotated to make it threadedly connected to the curved tailpiece body 1. At this time, the foot nail 15 can be adjusted in position. After the adjusted foot nail 15 is connected to the anti-slip mat, the cello can be played. When the foot nail 15 moves, the second washer ring 14 will drive the connecting rod 10 to move through the second reinforcing block 11. The connecting rod 10 can then drive the first reinforcing block 9 to move within the inner cavity of the movable groove 6 and the outer wall of the fixed rod 8, while simultaneously driving the top and bottom springs 7 to stretch and contract to maintain tension.

[0018] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multifunctional curved tailpiece based on a cello, comprising a curved tailpiece body (1), characterized in that: The inner cavity of the bent leg tail column body (1) is threaded with a lead screw (12), the bottom of the outer wall of the lead screw (12) is rotatably connected with a second washer (14), the bottom of the second washer (14) is fitted with a foot nail (15), the two sides of the bent leg tail column body (1) are symmetrically connected with a connecting rod (10), and the top of the bent leg tail column body (1) is fitted with a sleeve (3).

2. The multifunctional curved tailpiece based on a cello according to claim 1, characterized in that: A universal joint (2) is installed on the top of the bent leg tail column body (1). The sleeve (3) is installed on the top of the bent leg tail column body (1) through the universal joint (2). A positioning bolt (4) is installed on the outer wall of the sleeve (3). The sleeve (3) is a cavity structure with its top communicating with the outside. The positioning bolt (4) extends into the inner cavity of the sleeve (3).

3. The multifunctional curved tailpiece based on a cello as described in claim 1, characterized in that: The curved leg tail column body (1) has symmetrical movable grooves (6) on both sides. A fixed rod (8) is installed in the inner cavity of the movable groove (6). Springs (7) are wound around the top and bottom of the outer wall of the fixed rod (8). One end of the spring (7) is installed in the inner cavity of the movable groove (6).

4. A multifunctional curved tailpiece based on a cello, as described in claim 3, characterized in that: The top of the linkage rod (10) is equipped with a first reinforcing block (9), and the bottom of the linkage rod (10) is equipped with a second reinforcing block (11). The first reinforcing block (9) is movably connected to the inner cavity of the movable groove (6) and sleeved on the outer wall of the fixed rod (8) on the side near the bent leg tail column body (1).

5. A multifunctional curved tailpiece based on a cello, as described in claim 4, characterized in that: The other end of the spring (7) is connected to the first reinforcing block (9), and two second reinforcing blocks (11) are symmetrically installed on both sides of the second washer (14).

6. A multifunctional curved tailpiece based on a cello, as described in claim 1, characterized in that: The bottom of the curved leg tail column body (1) is equipped with a first washer ring (5), the top of the lead screw (12) is equipped with a limiting block (13), the limiting block (13) is movably connected in the inner cavity of the curved leg tail column body (1), the bottom of the inner cavity of the curved leg tail column body (1) is threadedly connected to the lead screw (12), the shape of the foot nail (15) is either L-shaped or arc-shaped in the curved leg design, and the materials of the curved leg tail column body (1), the lead screw (12) and the foot nail (15) are steel and aluminum alloy.