A key-operated adjustment device for a tambourine

Abstract

The application provides a pull key type adjusting device of a sand belt of a drum, relates to the technical field of musical instruments, and solves the technical problem that the distance between the sand belt and the lower drum surface cannot be adjusted. The device comprises a shell, a pulling assembly and a sliding assembly. The shell is fixed to the side of the drum. The sliding assembly is in sliding connection with the shell and is connected with the end of the sand belt. The pulling assembly comprises a pull key. The pull key is in rotational connection with the shell. The sliding assembly is provided with a special-shaped groove. A part of the pull key extends into the special-shaped groove. One of the sliding assembly and the shell is provided with a protruding part. The other is provided with a positioning groove. When the pull key is pulled, the pull key can drive the sliding assembly to slide and make the protruding part be clamped with different positioning grooves, thereby adjusting the distance between the sand belt and the lower drum surface. The adjusting device is compact in structure and convenient to use. The distance between the sand belt and the lower drum surface of the drum musical instrument with the sand belt can be quickly adjusted, so that different tone effects are excited when the drum is played.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of musical instruments, in particular to a lever key type adjusting device for a drum sand belt. BACKGROUND

[0002] Generally, in the performance of medium and large drum music, a long and flat metal belt called sand belt or resonant string is installed on the lower drum surface of the drum, which is composed of a plurality of long and thin springs or straight metal wires made of metal material arranged side by side and pulled tightly. The sand belt is usually placed horizontally on the entire lower drum surface and is pulled tightly at both ends. The sand belt is mainly used to improve the tone of the drum. When the sand belt is not installed, the drum produces a very high drum sound. After the sand belt is installed, the sound of the metal wire vibration striking the drum surface is added to the original drum sound, thereby improving the tone of the drum.

[0003] In actual use and performance, it is found that the tension degree of the sand belt after being pulled tightly and the distance between the sand belt and the lower drum surface will cause certain changes in the tone of the drum. If the distance between the sand belt and the lower drum surface can be adjusted very simply and quickly by the performer in different performance atmospheres, the sound effect will change significantly, thereby enabling the performer to more fully and perfectly express the artistic performance effect desired.

[0004] The applicant finds that the prior art at least has the following technical problems: the sand belt in the prior art is fixed to the position of the lower drum surface of the drum and is pulled tightly and compacted firmly, and the distance between the sand belt and the lower drum surface cannot be adjusted during performance, which is inconvenient to use. SUMMARY

[0005] The present application relates to the technical field of musical instruments, in particular to a lever key type adjusting device for a drum sand belt.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] The lever key type adjusting device for a drum sand belt provided by the present application comprises a shell, a lever assembly, and a sliding assembly, wherein:

[0008] The shell is fixed to the side of the drum, the sliding assembly is in sliding connection with the shell, and the end of the sand belt is connected with the sliding assembly;

[0009] The turning assembly comprises a turning key, which is rotationally connected with the shell; the sliding assembly is provided with a special-shaped slot, and a part of the turning key extends into the special-shaped slot; one of the sliding assembly and the shell is provided with a protruding part, and the other is provided with a positioning slot; when the turning key is turned, the turning key can drive the sliding assembly to slide, and the protruding part can be engaged with different positioning slots, so that the distance between the sand belt and the lower drum surface is adjusted.

[0010] Preferably, the sliding assembly comprises a sliding block, and the protruding part is arranged on one side of the sliding block facing the drum side; the shell is provided with two or more positioning slots, and the positioning slots are arranged along the axis of the drum.

[0011] Preferably, the sliding block is fixed with an elastic steel sheet, the elastic steel sheet is bent to form two parts, one part is fixed on the sliding block, and the other part is bent to form the protruding part.

[0012] Preferably, the sliding block is provided with a square slot, and one side of the square slot away from the drum side is open;

[0013] One end of the turning key extends into the square slot, and the end of the turning key is provided with a sliding shaft, the special-shaped slot is located on the inner side wall of the square slot, and the sliding shaft extends into the corresponding special-shaped slot.

[0014] Preferably, the outer contour of the special-shaped slot is composed of two or more curved segments.

[0015] Preferably, the shell is provided with an opening, the shell is provided with a shaft hole, the turning key is provided with a fixed shaft on both sides of one end, the end of the turning key passes through the opening, the fixed shaft extends into the shaft hole, and the two are rotationally connected.

[0016] Preferably, one side of the shell facing the lower drum surface is provided with a slot, the sliding block comprises an extension backboard, the extension backboard extends out of the slot, and the extension backboard is provided with a hook;

[0017] The end of the sand belt is 90° to the part of the sand belt on the lower drum surface, and is fixed with a buckle, the buckle is fixedly connected with the hook.

[0018] Preferably, the sliding block is provided with a sliding hole, the shell is provided with a light lever, the light lever is arranged along the axis of the drum, the light lever passes through the sliding hole, so that the sliding block and the shell are slidingly connected.

[0019] Preferably, the sliding block is provided with an extension column, the extension column is located on both sides of the extension backboard, and the sliding hole is penetrated by the extension column to the end of the sliding block.

[0020] Preferably, the shell is provided with mounting feet, and the mounting feet are provided with fixing holes for the locking member to pass through so as to fix the shell and the drum.

[0021] The drum sand belt key type adjusting device has the following beneficial effects compared with the prior art: during the performance of the drum, the key is manually pulled, the sliding assembly is driven to slide, the protruding part is clamped with different positioning grooves, the distance between the sand belt and the lower drum surface is adjusted, the tone of the drum is adjusted, and different adjustment requirements of the tone of the drum in different performance environments are met. The drum sand belt key type adjusting device has compact structure and convenient use, can quickly adjust the fitting distance between the sand belt and the lower drum surface of the drum instrument with the sand belt, and thus excites different tone effects during the performance of the drum. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0023] Figure 1 is a schematic view of the overall structure of the drum sand belt key type adjusting device;

[0024] Figure 2 is a partial sectional view of the drum sand belt key type adjusting device;

[0025] Figure 3 is a schematic view of the structure of the shell;

[0026] Figure 4 is a partial sectional view of the shell;

[0027] Figure 5 is a schematic view of the structure of the key;

[0028] Figure 6 is a schematic view of the structure of the sliding assembly from a first perspective;

[0029] Figure 7 is a schematic view of the structure of the sliding assembly from another perspective;

[0030] Figure 8 is a schematic view of the structure of the sliding block and the sliding assembly in a first state of cooperation;

[0031] Figure 9 is a schematic view of the structure of the sliding block and the sliding assembly in another state of cooperation.

[0032] Fig. 1, a wrench key type adjusting device; 2, a shell; 21, an opening; 22, an axle hole; 23, a light lever; 24, a mounting foot; 25, a positioning groove; 3, a wrench key; 31, a fixed shaft; 32, a sliding shaft; 4, a sliding block; 41, a square groove; 42, a special-shaped groove; 43, an extension column; 45, an extension backboard; 46, a hook; 44, a sliding hole; 47, a spring steel sheet; 5, a buckle; 6, a drum. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present application.

[0034] In the description of the present application, it should be understood that the terms "center", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0035] The wrench key type adjusting device for sand belt of drum provided by the embodiment of the present application can quickly adjust the fitting distance between the sand belt and the lower drum surface in the drum musical instrument with the sand belt, so as to excite different timbre effects when the drum is played.

[0036] The technical solutions provided by the present application will be described in detail below. Figures 1-9 The technical solutions provided by the present application will be described in detail below.

[0037] As Figures 1-9 The present embodiment provides a wrench key type adjusting device 1 for sand belt of drum, which comprises a shell 2, a wrenching assembly and a sliding assembly, wherein: the shell 2 is fixed to the side of a drum 6, the sliding assembly is in sliding connection with the shell 2 and is connected with the end of the sand belt; the wrenching assembly comprises a wrench key 3, the wrench key 3 is in rotational connection with the shell 2, the sliding assembly is provided with a special-shaped groove 42, and a part of the wrench key 3 extends into the special-shaped groove 42; one of the sliding assembly and the shell 2 is provided with a protruding part, and the other is provided with a positioning groove 25, when the wrench key 3 is turned, the wrench key 3 can drive the sliding assembly to slide, and the protruding part is clamped with different positioning grooves 25, so that the sliding assembly slides different distances, and then the distance between the sand belt and the lower drum surface is adjusted.

[0038] The key type adjusting device 1 of the sand belt of the drum in the embodiment, during the performance of the drum 6, manually pulls the key 3, the key 3 can drive the sliding assembly to slide, and the convex part is clamped with different positioning slots 25, and the distance between the sand belt and the lower drum surface is adjusted, so that the tone of the drum 6 is adjusted, and the different adjustment requirements of the tone of the drum 6 in different performance environments are met. The key type adjusting device of the sand belt of the drum is compact in structure, convenient to use, and can quickly adjust the fitting distance between the sand belt and the lower drum surface of the drum instrument with the sand belt, so that different tone effects are excited when the drum 6 is played.

[0039] In the embodiment, when the key 3 is pulled, the key 3 can drive the sliding assembly to slide along the axis of the drum 6, so that the distance between the sand belt and the lower drum surface is adjusted.

[0040] As an optional implementation, referring to Figure 1 and Figure 2 , Figure 6 , the sliding assembly includes a sliding block 4, and the side of the shell 2 facing the lower drum surface is provided with a slot, the sliding block 4 includes an extension backplate 45, the extension backplate 45 extends out of the slot, and the extension backplate 45 is provided with a hook 46; the end of the sand belt is 90° with the part of the sand belt on the lower drum surface, and a buckle 5 is fixed thereon, and the buckle 5 is fixedly connected with the hook 46.

[0041] Since the end of the sand belt is 90° with the part of the sand belt on the lower drum surface, and the buckle 5 on the end of the sand belt is fixedly connected with the hook 46, when the key 3 is pulled, the key 3 can drive the sliding assembly to slide along the axis of the drum 6, so that the distance between the sand belt and the lower drum surface is adjusted, and the adjustment is convenient.

[0042] As an optional implementation, referring to Figure 7 , the convex part is arranged on the side of the sliding block 4 facing the side of the drum 6; referring to Figure 3 and Figure 4 , two or more positioning slots 25 are arranged in the shell 2, and the positioning slots 25 are arranged along the axis of the drum 6.

[0043] When the key 3 is pulled, the key 3 can drive the sliding assembly to slide along the axis of the drum 6, therefore, the convex part moves along the axis of the drum 6, and since the positioning slots 25 are arranged along the axis of the drum 6, the convex part can be clamped and positioned in different positioning slots 25, so that the sliding assembly is fixed at different positions, and the sand belt is fixed at different positions from the lower drum surface of the drum 6.

[0044] Referring to Figure 3 and Figure 4As shown in the embodiment, three positioning grooves 25 are arranged in the shell 2 along the axis direction of the drum 6. When the wrench 3 is pulled, the convex part can be positioned in different positioning grooves 25, and the sliding assembly drives the sand belt to perform the actions of closely pressing the drum surface, slightly leaving the drum surface, and completely leaving the drum surface, so as to conveniently adjust the tone of the drum 6.

[0045] As an optional implementation, referring to Figure 7 , the elastic steel sheet 47 is fixed on the sliding block 4, and the elastic steel sheet 47 is bent to form two sheets, one of which is fixed on the sliding block 4, and the other is bent to form the convex part. The elastic steel sheet 47 can be further flattened when it is stressed, which facilitates the mutual clamping and disengaging actions between the convex part and the positioning groove 25.

[0046] As an optional implementation, referring to Figure 6 , the square groove 41 is arranged on the sliding block 4, and one side of the square groove 41 away from the drum 6 is open; Figure 8 and Figure 9 One end of the wrench 3 extends into the square groove 41, and the end of the wrench 3 is provided with a sliding shaft 32, referring to Figure 6 , the special-shaped groove 42 is located on the inner side wall of the square groove 41, and the sliding shaft 32 extends into the corresponding special-shaped groove 42.

[0047] The sliding shaft 32 and the special-shaped groove 42 cooperate with each other to form a dynamic shaft connecting rod mechanism. When the wrench 3 is pulled, the wrench 3 can drive the sliding block 4 to move along the axis of the drum 6 through the cooperation of the sliding shaft 32 and the special-shaped groove 42.

[0048] As an optional implementation, the outer contour of the special-shaped groove 42 is composed of two or more curved segments. By setting the shape and position of the special-shaped groove 42, the sliding block 4 can slide different distances along the axis of the drum 6 when the wrench 3 is pulled by the same angle, that is, the distance between the sand belt and the lower drum surface changes differently when the wrench 3 is pulled by the same angle, which is more convenient and flexible to adjust the distance between the sand belt and the lower drum surface.

[0049] As an optional implementation, referring to Figure 2 and Figure 3 , the shell 2 is provided with an opening 21 extending along the axis of the drum 6, and the shell 2 is provided with a shaft hole 22. The wrench 3 is provided with a fixed shaft 31 on both sides of one end thereof, the end of the wrench 3 penetrates through the opening 21, and the fixed shaft 31 extends into the shaft hole 22 and is rotationally connected with the shaft hole 22. The above structure facilitates the rotational connection between the shell 2 and the wrench 3, and facilitates the pulling of the wrench 3, which is convenient to operate.

[0050] As an optional implementation, referring to Figure 6 and Figure 7 , the sliding block 4 is provided with a sliding hole 44, referring to Figure 2 andFigure 3 As shown in the figure, the shell 2 is provided with a light lever 23, which is arranged along the axis of the drum 6 and penetrates through the sliding hole 44 to make the sliding block 4 and the shell 2 slideably connected. When the key 3 drives the sliding block 4 to move along the axis of the drum 6, the sliding block 4 is realized to slideably connect with the shell 2 through the matching structure of the sliding hole 44 and the light lever 23, so that the movement of the sliding block 4 is more smooth.

[0051] As an optional embodiment, referring to Figure 6 , the sliding block 4 is provided with an extension column 43, which is located on both sides of the extension rest plate 45, and the sliding hole 44 penetrates through the extension column 43 to the end of the sliding block 4. The length of the sliding hole 44 is further increased through the extension column 43, so as to reduce the local rotation torque of the sliding block 4 when sliding on the light lever 23, and make the sliding movement of the sliding block 4 more smooth.

[0052] As an optional embodiment, referring to Figure 3 As shown in the figure, the shell 2 is provided with a mounting foot 24, which is provided with a fixing hole for the locking member to penetrate through to fix the shell 2 and the drum 6. The above-mentioned locking member can be a screw, and the shell 2 is fixed to the lower drum surface on the side of the drum 6 through four mounting feet 24 by using ordinary screws, which is convenient for the installation and dismounting of the shell 2.

[0053] The drum sand belt key type adjusting device 1 of the embodiment can drive the sliding block 4 to move along the axis of the drum 6 by pulling the key 3 and matching the sliding shaft of the key 3 with the special-shaped groove 42 on the sliding block 4. When the protruding part on the sliding block 4 is clamped and locked into different positioning grooves 25, the sliding block 4 corresponds to three different positions of upper, middle and lower respectively, which can make one end of the sand belt connected therewith perform the action of closely pressing the drum surface, slightly leaving the drum surface and completely leaving the drum surface along the axis of the drum 6, so as to achieve the purpose of conveniently adjusting the tone of the drum 6.

[0054] Specifically, referring to Figure 1 , Figure 2 and Figure 8 , Figure 9 As shown in the figure, when the key 3 is pulled to the lowermost locking position, the sand belt is driven to the farthest position of the lower drum surface of the drum 6; when the key 3 is pulled to the middle locking position, the sand belt is driven to a distance of about 1-2mm from the lower drum surface; and when the key 3 is pulled to the uppermost locking position, the sand belt is driven to closely adhere to the lower drum surface.

[0055] In the description of the present specification, specific features, structures or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0056] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0057] The above description is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A key-operated adjustment device for a snare drum, characterized in that The utility model provides a drum distance adjusting device, comprising a shell, a pulling assembly and a sliding assembly, wherein: The shell is fixed to the side of a drum, the sliding assembly is slidingly connected with the shell and connected with the end of a sand belt; The pulling assembly comprises a pulling key, the pulling key is rotationally connected with the shell, a special-shaped groove is arranged in the sliding assembly, and a part of the pulling key extends into the special-shaped groove; one of the sliding assembly and the shell is provided with a protruding part, and the other is provided with a positioning groove; when the pulling key is pulled, the pulling key can drive the sliding assembly to slide, the protruding part is clamped with different positioning grooves, and the distance between the sand belt and the drum surface is adjusted; The sliding assembly comprises a sliding block, and the protruding part is arranged on the side of the sliding block facing the drum; A square groove is arranged on the sliding block, and the side of the square groove away from the drum is open; One end of the pulling key extends into the square groove, and a sliding shaft is arranged on the end of the pulling key; the special-shaped groove is arranged on the inner side wall of the square groove, and the sliding shaft extends into the special-shaped groove.

2. The key-type adjusting device of a snare band of a drum according to claim 1, wherein An elastic steel sheet is fixed to the sliding block, the elastic steel sheet is bent to form two pieces, one of which is fixed to the sliding block, and the other is bent to form the protruding part.

3. The key-type adjusting device of the snare band of claim 1, wherein The outer contour of the special-shaped groove is composed of two or more curved segments.

4. The key-type adjusting device for a snare drum according to claim 1, wherein An opening is arranged on the shell, an axle hole is arranged in the shell, fixed shafts are arranged on both sides of one end of the pulling key, the end of the pulling key passes through the opening, the fixed shafts extend into the axle hole and are rotationally connected with each other.

5. The key-type adjusting device of the snare band of a drum according to claim 1, wherein The side of the shell facing the drum surface is provided with a slot, the sliding block comprises an extension backboard, the extension backboard extends out of the slot, and a hanging hook is arranged on the extension backboard; The end of the sand belt is 90 degrees to the part of the sand belt on the drum surface, and a buckle is fixed, the buckle is fixedly connected with the hanging hook.

6. The key-type adjusting device of the snare band of a drum according to claim 5, wherein A sliding hole is arranged on the sliding block, a light lever is arranged in the shell along the axis of the drum, the light lever passes through the sliding hole, so that the sliding block and the shell are slidingly connected.

7. The key-type adjusting device of the snare band of claim 6, wherein An extension column is arranged on the sliding block, the extension column is located on both sides of the extension backboard, and the sliding hole is penetrated by the extension column to the end of the sliding block.

8. The key-type adjusting device of a snare band of a drum according to claim 1, wherein An installation foot is arranged on the shell, a fixing hole is arranged on the installation foot, and a locking member passes through the fixing hole to fix the shell and the drum.

Images