Clamping and fixing device for sealing bottom of violin

Abstract

The utility model relates to the field of violin processing, and discloses a clamping and fixing device for sealing the bottom of a violin, which comprises a clamping frame provided with a clamping and fixing mechanism; the clamping and fixing mechanism comprises a clamping air bag, an inflation and deflation pipeline, a sealing piston, a branch plate, a main plate and a regulation and control locking assembly, the clamping air bag is fixedly installed on the clamping frame, the inflation and deflation pipeline is fixedly installed on the clamping air bag, the sealing piston is installed on the inflation and deflation pipeline in a sliding and sealing mode, and the branch plate is fixedly installed on the main plate. The branch plate is fixedly connected with the main plate and the sealing piston; and the regulation and control locking assembly comprises an adjusting plate, a threaded cylinder, a regulation and control screw rod and a screwing screw rod, the adjusting plate is installed on the branch plate in a sliding mode, and the threaded cylinder is fixedly installed on the adjusting plate. The violin panel clamping device has the following advantages and effects that violin panels of the same specification can be quickly clamped and fixed, and the violin panel clamping device is relatively convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of violin processing, in particular to a clamping and fixing device for a violin back cover. Background Art

[0002] The violin back cover is an important part of the violin structure. It usually forms the resonance cavity of the violin together with the soundboard, and has a vital impact on the sound quality and timbre of the violin.

[0003] The prior art publication number CN210791367U discloses a clamping and fixing device for violin processing, comprising a base, a column mounted on the top of the base, a rectangular box mounted on the top of the column, a screw connected to the inner cavity of the rectangular box through a bearing along the front-to-back direction, a threaded barrel threadedly connected to the front and rear ends of the outer wall of the screw, a connecting rod mounted on the right side of the threaded barrel, a connecting block mounted on the right side of the connecting rod on the front side, and a clamping structure provided in the inner cavity of the connecting block.

[0004] When processing violins of the same model, it is necessary to frequently adjust the clamping and fixing. The clamping and fixing are cumbersome and cannot be performed quickly. There are certain limitations. Therefore, it is necessary to design a clamping and fixing device for the violin back cover to solve the above problems.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0006] The purpose of the utility model is to provide a clamping and fixing device for a violin back cover to solve the above problems.

[0007] The above technical objectives of the present invention are achieved through the following technical solutions: A clamping and fixing device for a violin back cover, comprising:

[0008] A clamping frame, wherein the clamping frame is provided with a clamping and fixing mechanism;

[0009] The clamping and fixing mechanism includes a clamping airbag, an air charging and discharging pipe, a sealing piston, a branch plate, a main board and a regulating and locking assembly. The clamping airbag is fixedly mounted on the clamping frame, the air charging and discharging pipe is fixedly mounted on the clamping airbag, the sealing piston is slidingly and sealingly mounted on the air charging and discharging pipe, and the branch plate is fixedly connected to the main board and the sealing piston.

[0010] The regulating and locking assembly includes an regulating plate, a threaded barrel, a regulating screw and a tightening screw. The regulating plate is slidably mounted on the branch plate, the threaded barrel is fixedly mounted on the regulating plate, the regulating screw and the tightening screw are rotatably mounted on the main board and the regulating plate respectively, the regulating screw is threadedly connected to the threaded barrel, and the tightening screw is threadedly connected to the clamping frame.

[0011] The utility model is further configured as follows: a violin panel is abutted between the two clamping airbags.

[0012] The present invention is further configured as follows: a through hole is provided on the clamping frame.

[0013] By adopting the above technical solution, the placement of the headstock on the violin panel is facilitated, which is not shown in the figure.

[0014] The utility model is further configured as follows: the inflation and deflation pipes are fixedly mounted on the clamping frame, and the inflation and deflation pipes are communicated with the interior of the clamping airbag.

[0015] The utility model is further configured as follows: an adjustment groove is opened on the side of the branch plate, and the adjustment plate is slidably installed in the adjustment groove.

[0016] By adopting the above technical solution, the position of the adjustment plate can be easily adjusted to meet the needs of violin panels of different specifications.

[0017] The utility model is further configured as follows: a screw groove is provided on the clamping frame, and the tightening screw is threadedly connected to the screw groove.

[0018] By adopting the above technical solution, it is convenient to lock the clamping and fixing mechanism.

[0019] The present invention is further configured such that: the adjustment plate is in contact with the clamping frame.

[0020] The present invention is further configured as follows: the violin panel is located inside the clamping frame.

[0021] The beneficial effects of the utility model are:

[0022] The utility model provides a clamping and fixing mechanism. For violin panels of the same specification, the staff only needs to push the tightening screw and then rotate the tightening screw so that the tightening screw is screwed into the screw groove. In this way, the violin panels of the same specification can be clamped and fixed quickly. Only the position of the adjustment plate needs to be adjusted, and it can also be applied to the clamping and fixing needs of violin panels of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 The utility model is a schematic diagram of the three-dimensional structure of a clamping and fixing device for a violin back cover.

[0025] Figure 2 The utility model is a schematic diagram of the three-dimensional structure of a clamping and fixing device for a violin back cover.

[0026] Figure 3 The utility model is a schematic cross-sectional view of a clamping and fixing device for a violin back cover.

[0027] Figure 4 yes Figure 3 Schematic diagram of the structure of part A in .

[0028] In the figure, 1. Clamping frame; 2. Violin panel; 3. Clamping airbag; 4. Inflation and deflation pipes; 5. Sealing piston; 6. Branch plate; 7. Main plate; 8. Adjustment plate; 9. Threaded barrel; 10. Adjustment screw; 11. Tightening screw; 12. Screw groove; 13. Adjustment groove; 14. Through hole. DETAILED DESCRIPTION

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0031] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model provides a clamping and fixing device for a violin back cover, comprising:

[0032] The clamping frame 1 is provided with a clamping and fixing mechanism. It should be noted that the violin panel 2 is clamped and fixed by the clamping and fixing mechanism. After the violin panel 2 is clamped and fixed, the violin panel 2 can be back-sealed.

[0033] The clamping and fixing mechanism includes a clamping airbag 3, an air charging and discharging pipe 4, a sealing piston 5, a branch plate 6, a main board 7 and a control and locking assembly. The clamping airbag 3 is fixedly mounted on the clamping frame 1, the air charging and discharging pipe 4 is fixedly mounted on the clamping airbag 3, the sealing piston 5 is slidingly and sealingly mounted on the air charging and discharging pipe 4, and the branch plate 6 is fixedly connected to the main board 7 and the sealing piston 5;

[0034] By pushing the main plate 7 through the clamping and fixing mechanism, the branch plate 6 can drive the sealing piston 5 to move, and then the clamping airbag 3 can be inflated, so that the clamping airbag 3 expands and clamps the violin panel 2;

[0035] The regulating and locking assembly includes an regulating plate 8, a threaded barrel 9, a regulating screw 10 and a tightening screw 11. The regulating plate 8 is slidably mounted on the branch plate 6, the threaded barrel 9 is fixedly mounted on the regulating plate 8, the regulating screw 10 and the tightening screw 11 are rotatably mounted on the main board 7 and the regulating plate 8 respectively, the regulating screw 10 is threadedly connected to the threaded barrel 9, and the tightening screw 11 is threadedly connected to the clamping frame 1.

[0036] Through the above-mentioned adjustment and locking assembly, for violin panels 2 of the same specifications, the staff only needs to push the tightening screw 11 to move the main board 7 and the branch board 6, and then rotate the tightening screw 11 so that the tightening screw 11 is screwed into the screw groove 12. In this way, the violin panels 2 of the same specifications can be quickly clamped and fixed.

[0037] Specifically, the violin panel 2 is in contact between the two clamping airbags 3 . The violin panel 2 is located inside the clamping frame 1 . It should be noted that the violin panel 2 is clamped and fixed.

[0038] Specifically, a through hole 14 is provided on the clamping frame 1 . It should be noted that this is for facilitating the placement of the headstock on the violin panel 2 , which is not shown in the figures.

[0039] Specifically, the inflation and deflation pipe 4 is fixedly mounted on the clamping frame 1 , and the inflation and deflation pipe 4 is communicated with the interior of the clamping airbag 3 . It should be noted that this facilitates inflation and deflation operations on the clamping airbag 3 .

[0040] Specifically, an adjustment groove 13 is opened on the side of the branch plate 6, and the adjustment plate 8 is slidably installed in the adjustment groove 13. The adjustment plate 8 is in contact with the clamping frame 1. It should be noted that the position of the adjustment plate 8 can be adjusted to meet the requirements of violin panels 2 of different specifications.

[0041] Specifically, a screw groove 12 is provided on the clamping frame 1 , and the tightening screw 11 is threadedly connected to the screw groove 12 . It should be noted that the clamping and fixing mechanism is locked.

[0042] Working principle:

[0043] S1: For violin tops 2 of the same specifications, the staff only needs to push the tightening screw 11 to move the main board 7 and the branch board 6, and then rotate the tightening screw 11 so that the tightening screw 11 is screwed into the screw groove 12. In this way, the violin tops 2 of the same specifications can be clamped and fixed quickly;

[0044] S2: When replacing a violin panel 2 of a certain specification, the regulating screw 10 can be rotated to adjust the distance of the regulating plate 8. After the adjustment is completed, the staff only needs to push the tightening screw 11 to move the main board 7 and the branch plate 6, and then rotate the tightening screw 11 so that the tightening screw 11 is screwed into the screw groove 12. It is more convenient to use.

[0045] The above describes in detail the clamping and fixing device for a violin back cover provided by the present invention. This article uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is intended only to facilitate understanding of the method and core concept of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications fall within the scope of protection of the claims of the present invention.

Claims

1. A clamping and fixing device for a violin back cover, characterized in that: include: A clamping frame (1), wherein the clamping frame (1) is provided with a clamping and fixing mechanism; The clamping and fixing mechanism comprises a clamping airbag (3), an air charging and discharging pipe (4), a sealing piston (5), a branch plate (6), a main board (7) and a regulating and locking assembly, wherein the clamping airbag (3) is fixedly mounted on the clamping frame (1), the air charging and discharging pipe (4) is fixedly mounted on the clamping airbag (3), the sealing piston (5) is slidingly and sealingly mounted on the air charging and discharging pipe (4), and the branch plate (6) is fixedly connected to the main board (7) and the sealing piston (5); The regulating and locking assembly comprises an regulating plate (8), a threaded barrel (9), a regulating screw (10) and a tightening screw (11); the regulating plate (8) is slidably mounted on the branch plate (6); the threaded barrel (9) is fixedly mounted on the regulating plate (8); the regulating screw (10) and the tightening screw (11) are rotatably mounted on the main plate (7) and the regulating plate (8), respectively; the regulating screw (10) is threadedly connected to the threaded barrel (9); and the tightening screw (11) is threadedly connected to the clamping frame (1).

2. A clamping and fixing device for a violin back cover according to claim 1, characterized in that: The violin panel (2) is in contact with the two clamping airbags (3).

3. The clamping and fixing device for a violin back cover according to claim 1, characterized in that: A through hole (14) is provided on the clamping frame (1).

4. The clamping and fixing device for a violin back cover according to claim 1, characterized in that: The inflation and deflation pipe (4) is fixedly mounted on the clamping frame (1), and the inflation and deflation pipe (4) is communicated with the interior of the clamping airbag (3).

5. The clamping and fixing device for a violin back cover according to claim 1, characterized in that: An adjustment groove (13) is provided on the side of the branch plate (6), and the adjustment plate (8) is slidably installed in the adjustment groove (13).

6. The clamping and fixing device for a violin back cover according to claim 1, characterized in that: The clamping frame (1) is provided with a screw groove (12), and the tightening screw (11) is threadedly connected to the screw groove (12).

7. The clamping and fixing device for a violin back cover according to claim 1, characterized in that: The adjustment plate (8) is in contact with the clamping frame (1).

8. The clamping and fixing device for a violin back cover according to claim 2, characterized in that: The violin panel (2) is located inside the clamping frame (1).

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