一种大提琴用有效弦长可调型拉弦板

CN224519491UActive Publication Date: 2026-07-17DACHENG COUNTY FULISIYA MUSICAL INSTR ACCESSORIES CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: DACHENG COUNTY FULISIYA MUSICAL INSTR ACCESSORIES CO LTD
Filing Date: 2025-08-08
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Different effective string lengths pose challenges to cellist touch and pitch control, and current technology struggles to achieve flexible adjustments to suit different musical works and performance scenarios.

Method used

An adjustable bow plate for cello strings was designed. The string length can be adjusted by rotating the handle to drive the screw and slider assembly. An elastic baffle prevents dust from entering the adjustment groove. Hooks are provided for easy string connection. Positioning blocks and positioning bolts are used to adapt to cellos of different sizes.

Benefits of technology

It enables flexible adjustment of string length, improves the adaptability of timbre and pitch, enhances resonance, improves playing comfort and technique, and expands the applicability of the bowing board.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224519491U_ABST

Patent Text Reader

Abstract

本实用新型公开了一种大提琴用有效弦长可调型拉弦板，涉及大提琴用拉弦板领域，包括拉弦板本体、活动杆，所述拉弦板本体的外壁开设有滑槽，所述滑槽的内腔中活动连接有滑块，所述滑块的顶部设置有滑块组件，所述拉弦板本体的顶部安装有活动条，所述活动杆套设在活动条的外壁。本实用新型所述的一种大提琴用有效弦长可调型拉弦板，可以带动弦进行有效弦长的调节，通过改变有效弦长，可以实现微调音高的目的，使大提琴能够更准确地适应不同的音乐作品和演奏场景，这种手感的变化会影响演奏者的舒适度和演奏技巧的发挥，基于此可以有效提高弹奏大提琴时的音色、音高和演奏手感。

Need to check novelty before this filing date? Find Prior Art

Claims

1. A cello string plate with effective string length adjustable type, comprising a string plate body (1), a movable rod (2), characterized in that: The outer wall of the drawbar body (1) is provided with a groove (9), and a slider (15) is movably connected in the inner cavity of the groove (9). A slider assembly (12) is provided on the top of the slider (15). The top of the drawbar body (1) is fitted with a movable strip (4), and the movable rod (2) is sleeved on the outer wall of the movable strip (4).

2. The effective string length adjustable type string pulling plate for a cello according to claim 1, characterized in that: The bottom of the inner cavity of the slide groove (9) is provided with a second adjustment groove (10), and a lead screw (11) is rotatably connected in the inner cavity of the second adjustment groove (10). A handle (8) is installed on the outer wall of the pull string plate body (1). The handle (8) is connected to the lead screw (11). A movable block (16) is installed at the bottom of the slider (15). The movable block (16) is movably connected in the inner cavity of the second adjustment groove (10) and threadedly connected to the lead screw (11).

3. The effective string length adjustable type string pulling plate for a cello according to claim 2, characterized in that: Elastic baffles (17) are symmetrically installed at the top of both ends of the inner cavity of the second adjustment groove (10). The opposite sides of the elastic baffles (17) are symmetrically installed at the top of both ends of the movable block (16). The slider (15) is movably connected in the inner cavity of the slide groove (9).

4. The effective string length adjustable type string pulling plate for a cello according to claim 1, characterized in that: A threaded rod (13) is installed at the center of the bottom of the slider assembly (12), a tensioning post (6) is installed at the center of the bottom of the threaded rod (13), and a hook (14) is installed in the inner cavity of the tensioning post (6).

5. The effective string length adjustable type string pulling plate for a cello according to claim 4, characterized in that: The threaded rod (13) is threadedly connected to the inner cavity of the slider (15), the tensioning column (6) is movably connected to the inner cavity of the slider (15), the bottom of the outer wall of the slider (15) is provided with a string groove, the tensioning column (6) is movably connected to the inner cavity of the string groove, and the hook (14) is used to connect with the string.

6. The effective string length adjustable type string pulling plate for a cello according to claim 1, characterized in that: A positioning block (5) is installed on the top of the outer wall of the movable bar (4). A first adjustment groove (7) is opened on the outer wall of the movable rod (2). The positioning block (5) is movably connected in the inner cavity of the first adjustment groove (7). A positioning bolt (3) is attached to the outer wall of the movable rod (2). The positioning bolt (3) is threadedly connected to the positioning block (5).