Trombone counterweight adjuster

By designing a combination of short-axis counterweight screws, long-axis counterweight screws and different types of screw heads, the problem of inflexible adjustment of traditional counterweights is solved, the tone adjustment and stability of the trombone are achieved, and the installation process is simplified.

CN223401363UActive Publication Date: 2025-09-30LONGKOU JINMING MUSICAL INSTR CO LTD
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Patent Information

Application Number
CN202421938035.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-09-30
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Traditional counterweights have limited freedom and cannot adjust the weight and type of counterweights according to actual needs. The installation process is cumbersome and lacks a quick locking structure.

Method used

A trombone counterweight adjuster is designed, which adopts a combination of short-axis counterweight screws, long-axis counterweight screws and screw heads of different types. The locking stability is improved through the design of the locking cavity and the horizontal part, and the anti-slip pad and hinge structure are combined to achieve quick disassembly and assembly.

Benefits of technology

The resonance position of the trombone can be adjusted according to actual needs to produce a variety of timbre effects, simplify the installation process, and improve locking stability and practicality.

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Abstract

The utility model discloses a trombone counterweight adjuster, which belongs to the technical field of counterweight devices and is characterized in that a tuning pipe is movably provided with a counterweight device; the counterweight device is composed of a first hoop and a second hoop which are movably connected, a lower mounting seat is arranged on the back of the second hoop, the counterweight device is movably mounted on the lower mounting seat, and an upper mounting seat matched with the lower mounting seat is arranged at the bottom of the counterweight device; a plurality of groups of mounting cavities are formed in the lower mounting seat, and a plurality of groups of locking blocks movably arranged in the mounting cavities are fixedly connected to the bottom of the upper mounting seat; a short shaft counterweight screw is installed in the middle of the counterweight device in a threaded mode. According to the utility model, the resonance position of the tuning tube can be adjusted according to actual requirements through the cooperation of the short-shaft counterweight screw and the long-shaft counterweight screw, so that the tone quality can be adjusted, and various counterweight effects can be generated through the free combination of the tuning tube, the conical counterweight screw head and the T-shaped counterweight screw head. And through the design of the locking cavity and the horizontal part, the locking stability can be improved, and the practicability and the stability are further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of counterweights, in particular to a counterweight regulator for a trombone. Background Art

[0002] The trombone, also known as the "expansion horn" or "straight horn," is a Western brass instrument. Modern orchestras use two types of instruments: the tenor trombone and the bass trombone, which are the tenor and bass instruments of the brass wind instrument. The tenor trombone's playing techniques primarily include single, double, and triple articulations, as well as muting. Its tone is resonant and brilliant when played forte, and mellow and soft when played softly. Because it uses a sliding expansion tube instead of a piston, it can play all semitone progressions, greatly enhancing its expressiveness. With the advancement of society, many trombone manufacturers in China have made improvements in the manufacture of traditional trombones. The trombone's popularity is growing, and players are increasingly paying attention to the timbre of the trombone.

[0003] Patent publication number CN214476341U discloses a musical instrument counterweight and keyboard that can reduce riveting loads. The musical instrument counterweight comprises a counterweight body having an end face and an outer surface adjacent to the end face. The counterweight is characterized by a first groove formed in the end face of the counterweight body and a second groove formed in the outer surface of the counterweight body, thereby forming a riveted portion connected to the counterweight body.

[0004] The degree of freedom of the counterweights in the above-mentioned comparative documents is general, and the weight and type of the counterweight cannot be freely adjusted according to actual needs. In addition, the installation process is cumbersome, time-consuming and labor-intensive, and lacks a quick locking structure. Therefore, a trombone counterweight adjuster is designed here to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a trombone counterweight adjuster in order to solve the problems that the traditional counterweight has a general degree of freedom, cannot freely adjust the weight and type of the counterweight according to actual needs, has a cumbersome installation process, is time-consuming and labor-intensive, and lacks a quick locking structure.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is: a trombone counterweight adjuster, comprising a tuning tube and a telescopic tube, a counterweight being movably mounted on the tuning tube; the counterweight being composed of a first clamp and a second clamp movably connected, a lower mounting seat being provided on the back of the second clamp, a counterweight seat being movably mounted on the lower mounting seat, an upper mounting seat cooperating with the lower mounting seat being provided at the bottom of the counterweight seat; a plurality of mounting cavities are provided inside the lower mounting seat, a plurality of locking blocks movably arranged in the mounting cavities are fixedly connected to the bottom of the upper mounting seat; a short-axis counterweight screw is threadedly mounted on the middle part of the counterweight seat.

[0007] As a further solution of the present invention: a hinge that cooperates with each other is provided at the connection between the first clamp and the second clamp.

[0008] As a further solution of the present invention: a first locking platform is provided at one end of the first clamp, a second locking platform cooperating therewith is provided at one end of the second clamp, and sliding locking frames are movably provided on the first and second locking platforms.

[0009] As a further solution of the present invention: anti-slip pads are provided on the inner walls of the first clamp and the second clamp.

[0010] As a further solution of the present invention: the installation cavity includes a vertically arranged telescopic cavity, and a horizontally arranged locking cavity is opened on the side of the telescopic cavity; the locking block includes a vertical part and a horizontal part. When the counterweight seat is installed on the top of the lower mounting seat, the horizontal part is locked in the locking cavity.

[0011] As a further solution of the present invention: a long-axis counterweight screw is threadedly installed on the other side of the counterweight seat.

[0012] As a further solution of the present invention: a conical counterweight screw head is installed on the short-axis counterweight screw, and a T-shaped counterweight screw head is installed on the long-axis counterweight screw.

[0013] The present invention provides a trombone counterweight adjuster through improvement, which has the following improvements and advantages compared with the prior art:

[0014] This utility model uses the coordination of short- and long-axis counterweight screws to adjust the resonance position of the tuning tube, thereby adjusting the timbre, as needed. Furthermore, the combination of tapered and T-shaped counterweight screw heads allows for a variety of counterweight effects. The design of the locking cavity and horizontal portion enhances locking stability, resulting in a simple and easy-to-maintain structure, further enhancing the practicality and stability of the trombone counterweight adjuster. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the counterweight in the utility model;

[0018] Figure 3 It is the three-dimensional structure of the counterweight seat in this utility model Figure 1 ;

[0019] Figure 4 This is a cross-sectional view of the second clamp in the present utility model;

[0020] Figure 5 It is the three-dimensional structure of the counterweight seat in this utility model Figure 2 ;

[0021] Figure 6 It is a diagram showing the matching of a conical counterweight screw head and a T-shaped counterweight screw head in the utility model.

[0022] Description of reference numerals:

[0023] 1. Tuning tube; 2. Telescopic tube; 3. Counterweight; 4. First clamp; 5. Second clamp; 6. Hinge; 7. First locking platform; 8. Second locking platform; 9. Sliding locking frame; 10. Lower mounting seat; 11. Counterweight seat; 12. Upper mounting seat; 13. Anti-slip pad; 14. Mounting cavity; 15. Telescopic cavity; 16. Locking cavity; 17. Short-axis counterweight screw; 18. Locking block; 19. Vertical part; 20. Horizontal part; 21. Long-axis counterweight screw; 22. Conical counterweight screw head; 23. T-type counterweight screw head. DETAILED DESCRIPTION

[0024] The following will be combined with the Figures 1 to 6 This utility model is described in detail, and the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the embodiments described are only some of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility model.

[0025] The utility model provides a trombone weight regulator through improvement. Figures 1-6 As shown, a trombone counterweight adjuster includes a tuning tube 1 and a telescopic tube 2, with a counterweight 3 movably mounted on the tuning tube 1; the counterweight 3 is composed of a first clamp 4 and a second clamp 5 movably connected, and a lower mounting seat 10 is provided on the back of the second clamp 5, and a counterweight seat 11 is movably mounted on the lower mounting seat 10, and an upper mounting seat 12 that cooperates with the lower mounting seat 10 is provided at the bottom of the counterweight seat 11; multiple groups of mounting cavities 14 are defined inside the lower mounting seat 10, and multiple groups of locking blocks 18 movably disposed in the mounting cavities 14 are fixedly connected to the bottom of the upper mounting seat 12; a short-axis counterweight screw 17 is threadedly mounted on the middle part of the counterweight seat 11.

[0026] The present invention utilizes the coordination of the short-axis counterweight screw 17 and the long-axis counterweight screw 21 to adjust the tuning tube's resonance position, thereby adjusting the timbre, as desired. Furthermore, the combination of the tapered counterweight screw head 22 and the T-shaped counterweight screw head 23 allows for a variety of counterweighting effects. The design of the locking cavity 16 and the horizontal portion 20 enhances locking stability, resulting in a simple and easily maintained structure, further enhancing the practicality and stability of the trombone counterweight adjuster.

[0027] See attached Figure 2 The connection between the first clamp 4 and the second clamp 5 is provided with a hinge 6 that cooperates with each other. One end of the first clamp 4 is provided with a first locking platform 7, and one end of the second clamp 5 is provided with a second locking platform 8 that cooperates with it. A sliding locking frame 9 is movably provided on the first locking platform 7 and the second locking platform 8.

[0028] In this embodiment, in order to facilitate the quick disassembly and assembly of the first clamp 4 and the second clamp 5 , a sliding locking frame 9 is designed.

[0029] See attached Figure 2 Anti-slip pads 13 are provided on the inner walls of the first hoop 4 and the second hoop 5.

[0030] In this embodiment, in order to increase friction and thus further improve stability during installation, an anti-slip pad 13 is designed.

[0031] See attached Figure 3 -Attached Figure 4 The mounting cavity 14 includes a vertically arranged telescopic cavity 15, and a horizontally arranged locking cavity 16 is opened on the side of the telescopic cavity 15; the locking block 18 includes a vertical part 19 and a horizontal part 20. When the counterweight seat 11 is installed on the top of the lower mounting seat 10, the horizontal part 20 is locked in the locking cavity 16.

[0032] In the present embodiment, in order to quickly disassemble the counterweight seat 11, the counterweight can be adjusted by convenient disassembly. When disassembling is required, the counterweight seat 11 is first rotated counterclockwise, and after the horizontal portion 20 breaks away from the locking cavity 16, it is then pulled out.

[0033] See attached Figure 5 -Attached Figure 6 The short axis counterweight screw 17 is also provided with a conical counterweight screw head 22 , and the long axis counterweight screw 21 is provided with a T-shaped counterweight screw head 23 .

[0034] In this embodiment, various weighting effects can be achieved by freely combining the short-axis weight screw 17, the long-axis weight screw 21, the tapered weight screw head 22, and the T-shaped weight screw head 23. These precisely measured and designed weight screws can significantly alter the trombone's resonance position, thereby changing the timbre of the trombone. Players can select their preferred timbre based on different combinations.

[0035] The four most representative combinations are as follows:

[0036] 1. Install the short-shaft counterweight screw 17. This counterweighting method does not significantly improve the trombone's counterweighting function, but it produces a brighter, more responsive sound, especially in the midrange. Adding the T-shaped counterweight screw head 23 further stabilizes the sound. This configuration is suitable for playing pop, light music, and jazz styles.

[0037] 2. Install the long-shaft counterweight screw 21. This method of weighting the trombone is more effective than installing the short-shaft counterweight screw 17. During performance, the instrument maintains a more stable front-to-back balance. The timbre is brighter in the mid- and high-range, and the high notes are easier to pronounce. Adding the T-shaped counterweight screw head 23 significantly improves the sound stability. This configuration is ideal for solo trombone works such as trombone concertos, sonatas, and classical pieces.

[0038] 3. Short-axis counterweight screws 17 and long-axis counterweight screws 21 are installed on both sides of the counterweight base 11. This counterweighting method is the optimal combination for the trombone's weight balance. When playing, the front and back weights are evenly balanced. The sound is more focused, with a supporting feel in the high range and a broad and stable mid-bass range, making it suitable for chamber music, brass ensembles, and trombone quartets.

[0039] 4. On top of the short-axis counterweight screws 17 and long-axis counterweight screws 21 already installed on either side of the counterweight base 11, a conical counterweight screw head 22 is added to the short-axis counterweight screw 17, and a T-shaped counterweight screw head 23 is added to the long-axis counterweight screw 21. This counterweighting arrangement significantly improves the trombone's counterweighting function, ensuring a perfectly even and balanced front-to-back weight during playing. The timbre is rich, textured, and deep, with rich variations. The treble is focused, the midrange is penetrating, and the bass is rich and stable, making it suitable for performance in a symphony orchestra or symphony band.

[0040] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A trombone counterweight adjuster, characterized by: The invention comprises a tuning tube (1) and a telescopic tube (2), wherein a counterweight (3) is movably mounted on the tuning tube (1); the counterweight (3) is composed of a first clamp (4) and a second clamp (5) which are movably connected; a lower mounting seat (10) is provided on the back of the second clamp (5); a counterweight seat (11) is movably mounted on the lower mounting seat (10); an upper mounting seat (12) cooperating with the lower mounting seat (10) is provided at the bottom of the counterweight seat (11); a plurality of mounting cavities (14) are provided inside the lower mounting seat (10), and a plurality of locking blocks (18) movably arranged in the mounting cavities (14) are fixedly connected to the bottom of the upper mounting seat (12); a short-axis counterweight screw (17) is threadedly mounted on the middle part of the counterweight seat (11).

2. The trombone weight adjuster according to claim 1, characterized in that: A hinge (6) that cooperates with each other is provided at the connection between the first clamp (4) and the second clamp (5).

3. The trombone weight adjuster according to claim 1, characterized in that: One end of the first clamp (4) is provided with a first locking platform (7), and one end of the second clamp (5) is provided with a second locking platform (8) matched therewith. Sliding locking frames (9) are movably provided on the first locking platform (7) and the second locking platform (8).

4. A trombone weight adjuster according to any one of claims 1 to 3, characterized in that: Anti-slip pads (13) are provided on the inner walls of the first hoop (4) and the second hoop (5).

5. A trombone weight adjuster according to any one of claims 1 to 3, characterized in that: The mounting cavity (14) includes a vertically arranged telescopic cavity (15), and a horizontally arranged locking cavity (16) is provided on the side of the telescopic cavity (15); the locking block (18) includes a vertical portion (19) and a horizontal portion (20); when the counterweight seat (11) is installed on the top of the lower mounting seat (10), the horizontal portion (20) is locked in the locking cavity (16).

6. The trombone weight adjuster according to claim 1, characterized in that: A long-axis counterweight screw (21) is also threadedly mounted on the other side of the counterweight seat (11).

7. The trombone weight adjuster according to claim 6, characterized in that: The short axis counterweight screw (17) is further provided with a conical counterweight screw head (22), and the long axis counterweight screw (21) is provided with a T-shaped counterweight screw head (23).

Citation Information

Patent Citations

  • Counterweight and keyboard for musical instrument

    CN214476341U