WO2020181639A1 - Drum-pad head structure of electronic percussion musical instrument - Google Patents

Abstract

A drum-pad head structure of an electronic percussion musical instrument, comprising a bottom housing (15); a drumhead support (5) disposed on the bottom housing (15); a drumhead lower housing (4) disposed around the drumhead support (5); and a membrane (3), a sealing ring (2), and a drumhead upper housing (1) disposed at the drumhead lower housing (4). The sealing ring (2) and the membrane (3) are inserted and held in the drumhead lower housing (4) by means of the drumhead upper housing (1). A first thread is provided at an outer side wall of the drumhead support (5), and a second thread matching the first thread is provided at the inside of the drumhead lower housing (4). The membrane and the sealing ring are fixed by means of the drumhead upper housing and the drumhead lower housing so as to form a drumhead, and said drumhead structure is then fixed to a drum pad by means of screw-thread rotation, thereby enabling convenient and practical operation.

Description

Drum head structure of electronic percussion instrument Technical field

The invention relates to the field of percussion instruments, in particular to a drum head structure of an electronic percussion instrument.

Background technique

With the development of technology, the application of large-scale integrated circuits has become more and more widespread. Among traditional musical instruments, electric guitars, electronic organs, and electronic drums have gradually evolved from relying solely on mechanical vibration to electronic sound.

In the existing electronic percussion instrument, the outer peripheral part of the drum head is wound on the iron core and riveted and fixed to the shell; there are also cases where the shell is filled with adhesive and the drum is inserted into the shell. The outer peripheral part of the surface, and the drum surface is fixed to the shell; or the drum surface is fixed by the metal pressing ring and the U-shaped groove. Traditional methods mostly use the above-mentioned process to form a drum head on the drum head, and then fix the drum head on the bottom shell of the electronic percussion instrument with screws by providing fixing holes on the outer ring of the drum plate.

The existing electronic percussion instruments have many shortcomings in the overall design of the drum plate, and the manufacture of the drum head is not very convenient. Due to the large number of installed parts, the operation is cumbersome, and the material cost is high, it is not conducive to the mass production of the drum head. Moreover, the fixing method is only simple fixation, which cannot tightly fix the membrane body on the drum surface, cannot make the membrane body uniformly stressed, and has poor consistency.

Summary of the invention

In view of this, the technical problem to be solved by this application is to provide a drum head structure of an electronic percussion instrument, so that the drum head can be tightly connected and uniformly stressed, and the entire drum head can be easily fixed.

In order to solve the above technical problems, the present application discloses a drumhead structure of an electronic percussion instrument, which includes a bottom shell, a drumhead support member is provided on the bottom shell, and a drumhead lower outside the drumhead support member Shell, the lower shell of the drumhead is provided with a membrane body, a sealing ring and a shell on the drumhead, and the shell on the drumhead snaps the sealing ring and the membrane body into the lower shell of the drumhead; A first thread is provided on the outer side wall, and a second thread that matches the first thread is provided on the inner side of the lower drum shell.

Preferably, an external gear is provided on the outer side wall of the lower shell of the drumhead, and a mounting part is also provided on the bottom shell, and a pinion gear is arranged in the mounting part. Meshing. In this way, through further adjustment of the pinion, the membrane on the drumhead can be connected more firmly, and the tension on the drumhead can be greater, so as to obtain a harder and more elastic drumhead hitting feeling.

Preferably, the mounting part is further provided with a rotating shaft and a flanging bearing, the flanging bearing is sleeved in the installing part, the pinion gear is arranged above the flanging bearing, and the rotating shaft is sleeved on the pinion and the flanging in turn In the bearing. In this way, the pinion gear can be driven to rotate by rotating the shaft, and then the lower shell of the drum head can be further rotated, so that it can be installed more closely.

Preferably, a gear end cover is provided above the mounting portion, and the gear end cover is provided with a first through hole for adjusting the rotating shaft above the rotating shaft, and one end of the rotating shaft is fixedly provided with an adjusting block. In this way, the adjusting block is rotated with the drum key to facilitate the rotation of the shaft.

Preferably, a first protrusion is provided below the upper shell of the drum head, a first groove matching the first protrusion is provided on the lower shell of the drum head, and a first groove is also provided in the first groove. Two convex blocks, the first convex block and the second convex block are connected by pressing and fusion, and the film body is wrapped between the first convex block and the second convex block. In this way, the upper shell of the drum head and the lower shell of the drum head can be closely connected by ultrasonic welding process or thermoplastic friction welding process, so that the entire drum head is connected more closely and the consistency is improved.

Preferably, the lower shell of the drumhead is further provided with an annular groove on the side of the second protrusion, and the shell on the drumhead is provided with an annular protrusion matching the annular groove on the side of the first protrusion. The annular bump is clamped in the annular groove. In this way, the sealing ring and the membrane body are both clamped into the annular groove by the annular protrusion, so that the entire membrane body can be stretched and tightly fixed. Compared with the traditional metal pressing ring and U-shaped groove, the membrane The way the body is fixed, the connection is better and more convenient.

Preferably, the lower shell of the drum head is further provided with a drum disc rubber ring, and the drum disc rubber ring is sleeved on the bottom shell. In this way, the drum head rubber ring can reduce a certain amount of hitting noise to the entire drum head structure.

Preferably, a cushion pad is also provided between the drumhead support and the bottom shell. In this way, when the entire electronic percussion instrument is hitting the drumhead, the cushion can cushion the drumhead to a certain extent.

Compared with the prior art, this application can obtain the following technical effects:

1) The traditional method of using screws and nuts to fix the drumhead structure is changed. The drumhead structure is fixed to the drumhead support of the electronic percussion instrument by screwing, and the rotation is installed, which is more convenient in operation. , Practical; the hoop and the frame are integrated, and the screw connection is changed to remove the screws, which can reduce the number of parts of the electronic percussion instrument; remove the screw installation, no exposed screws on the surface, improve the appearance of the drumhead; reduce the screws and the frame , Realize the lightweight of electronic percussion instruments;

2) Through the annular bumps on the upper shell of the drum and the annular groove on the lower shell of the drum, the membrane body is fixed by a buckle method to make the connection of the whole drum better and tighter; the additional sealing ring can make the whole drum Uniform force on the surface and better consistency;

3) By arranging the first bump, the second bump and the first groove, and then using the corresponding welding process to tightly connect the drum head shell and the drum head lower shell, the overall consistency is increased and also Fix the membrane body accordingly;

4) There is also a pinion on the mounting part of the base. Through the engagement of the pinion and the lower shell of the drum head, the drum head structure can be further fixed to the drum plate apron to make the connection better;

5) The threaded connection of the drumhead and the drumhead support parts are parallel to each other when running and pressing down, so the force of the membrane body is more uniform.

Of course, implementing any product of the present application does not necessarily need to achieve all the technical effects described above at the same time.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation of the application. In the attached picture:

Figure 1 is an exploded view of the overall structure of the electronic percussion instrument of the present application;

Figure 2 is a schematic diagram of the overall structure of the electronic percussion instrument of the present application;

Figure 3 is a schematic cross-sectional structure diagram of the electronic percussion instrument of the present application;

Figure 4 is a schematic diagram of the connection between the lower drum head shell and the pinion gear of the present application;

Figure 5 is a schematic diagram of the drumhead structure of the present application;

Figure 6 is a sectional view of the drumhead structure of the present application;

Fig. 7 is an enlarged schematic diagram of A in Fig. 5 of the present application;

Fig. 8 is an enlarged schematic diagram of B in Fig. 6 of the present application.

Explanation of symbols in the figure: 1. Drum head shell, 101, first bump, 102, annular bump, 2. Seal ring, 3, drum head, 4. Drum head lower shell, 41, first groove, 42 , Second bump, 43, annular groove, 5, drumhead support, 6, cushion pad, 7, drum plate rubber ring, 8, drumhead trigger sponge, 9, PC film, 10, drumhead vibration sensor, 11. Support sponge, 12. Drum sensor base, 13, Shock absorber, 14, Drum disc vibration sensor, 15, Bottom case, 16, Mounting part, 17, Data connector, 18, Toothed locking ring, 19. Rear cover, 20, butterfly nut, 21, pinion, 22, shaft, 23, gear end cover, 24, flange bearing.

detailed description

The implementation of this application will be described in detail below with the accompanying drawings and embodiments, so as to fully understand and implement the implementation process of how this application uses technical means to solve technical problems and achieve technical effects.

As shown in Figures 1-8, the embodiment of the present application is a drum head structure of an electronic percussion instrument, which includes a bottom shell 15, on which a drumhead support 5 is provided, and the drumhead support 5 has a peripheral The drum head includes the drum head shell 1, the sealing ring 2, the membrane body 3 and the drum head lower shell 4. Among them, the membrane body 3, the sealing ring 2 and the drumhead shell 1 are all arranged on the drumhead lower shell 4, and the drumhead shell 1 clamps the sealing ring 2 and the membrane body 3 into the drumhead lower shell 4. The sealing ring 2 can also be filled with adhesive, both of which can play a sealing role.

As shown in Figures 5-8, for the drumhead structure, a first protrusion 101 is provided under the shell 1 on the drumhead, and a first groove 41 that matches the first protrusion 101 is provided on the lower shell 4 of the drumhead. A second bump 42 is also provided in the first groove 41. The first bump 101 and the second bump 42 are connected by pressing and fusion, and the film body 3 is wrapped around the first bump 101 and the second bump 42 between. The drum head shell 1 and the drum head lower shell 4 of the present application can be joined by ultrasonic welding process or thermoplastic friction welding process to melt the body material to form a fusion area, and the film body 3 wrapped in between. This design can make the entire drumhead connect better and improve consistency.

Among them, the lower shell 4 of the drumhead is also provided with an annular groove 43 on the side of the second protrusion 42, and the shell 1 on the drumhead is provided with an annular protrusion 102 matching the annular groove 43 on the side of the first protrusion 101. , The annular bump 102 is clamped in the annular groove 43. The sealing ring 2 and the membrane body 3 are both clamped into the annular groove 43 by the annular protrusion 102, so that the entire membrane body 3 can be expanded and tightly fixed, compared with the traditional metal pressing ring and U-shaped groove To fix the membrane body, the connection is better and more convenient.

In this application, for the entire drum plate structure, a first thread is provided on the outer side wall of the drumhead support 5, and a second thread that matches the first thread is provided on the inner side of the drumhead lower shell 4. With this design, the drum head structure can be easily fixed on the drum plate through thread rotation.

As shown in Figs. 1-4, in the actual production process, it is not enough to simply rely on the drumhead support 5 to be rotated and clamped on the drumhead lower shell 4, and the drumhead may still be too loose. In order to further tightly fix the drumhead on the drum plate, an external gear is provided on the outer side wall of the lower shell 4 of the drumhead. Then, a mounting portion 16 is provided on the bottom shell 15, and a pinion gear 21 is provided in the mounting portion 16, and the pinion gear 21 meshes with an external gear on the lower drum shell 4. Through further adjustment of the pinion gear 21, the membrane body 3 on the drumhead can be connected more firmly, and the tension on the drumhead can be greater, so as to obtain a harder and more elastic drumhead hitting feeling.

In the actual installation design, the mounting part 16 is also provided with a rotating shaft 22 and a flanging bearing 24, the flanging bearing 24 is sleeved in the mounting part 16, the pinion 21 is arranged above the flanging bearing 24, and the rotating shaft 22 is sequentially sleeved on In the pinion 21 and the flange bearing 24. By rotating the rotating shaft 22, the pinion gear 21 is driven to rotate, thereby driving the drum head lower shell 4 to further rotate, so that it can be installed more closely.

Wherein, a gear end cover 23 is provided above the mounting portion 16, and the gear end cover 23 is provided with a first through hole above the rotating shaft 22 for adjusting the rotating shaft 22. One end of the rotating shaft 22 is fixedly provided with an adjusting block which is matched with a drum key Rotate.

The order of adjusting the pinion gear is: first turn the adjustment block through a drum key to drive the shaft 22 to rotate, and then the shaft 22 drives the pinion 21 to rotate. The pinion 21 drives the external gear on the lower drum shell 4 to rotate. The shell 4 will further rotate into the drumhead support member 5, so that the drumhead is connected more firmly, the tension of the membrane body 3 is greater, and a harder and more elastic drumhead can be obtained.

In order to have a certain cushion when striking the drumhead of the entire electronic percussion instrument, a cushion 6 is also provided between the drumhead support 5 and the bottom shell 15.

In actual use, the lower drum shell 4 is also provided with a drum disc apron 7 which is sleeved on the bottom shell 15. The drumhead rubber ring 7 can reduce a certain percussion noise to the entire drumhead structure.

As shown in Figures 1 and 3, in this embodiment, a drumhead sensor base 12 is provided on the bottom shell 15, and a drumhead vibration sensor 10 is provided on the drumhead sensor base 12. A support sponge 11 is provided on the peripheral side, a PC sheet 9 is provided on the support sponge 11, a drum surface trigger sponge 8 is provided on the PC sheet 9, and the drum surface trigger sponge 8 is attached to the drum surface 3, and a bottom shell 15 is also provided. Drum disc vibration sensor 14. In this embodiment, a dual-sensor judgment method is adopted to judge the strike position more accurately and improve the learning efficiency.

Among them, the bottom shell 15 is also provided with a PCB board and a mounting part 16, the mounting part 16 is provided with a data connector 17, the drumhead vibration sensor 10 and the drum disc vibration sensor 14 are electrically connected to the PCB board, and the PCB board and the data connector 17 Electrical connection. The PCB board will preliminarily process the data measured by the drumhead vibration sensor 10 and the drumhead vibration sensor 14, and then export it through the data connector 17, and analyze the result.

As a preferred solution, in this embodiment, the bottom shell 15 is provided with a plurality of shock-absorbing plugs 13 for supporting the drumhead sensor base 12. The plurality of shock-absorbing plugs 13 themselves are made of relatively light material, which can serve as a buffer and transmit vibration to the drumhead vibration sensor 10.

In this embodiment, the mounting part 16 is further provided with a toothed locking ring 18 and a rear cover 19, and a wing nut 20 is also provided outside the rear cover 19, and the toothed locking ring 18 is embedded in the mounting part 17 And it is threadedly connected with the wing nut 20, and the rear cover 19 is also provided with an installation through hole; when installing the electronic percussion instrument, the column on the drum stand passes through the through hole on the rear cover 19 and the toothed locking ring 18 After the through hole is worn, the wing nut 20 can be tightened to fix the electronic percussion instrument on the drum stand.

The beneficial effects of the present invention are as follows: the traditional method of using screws and nuts to fix the drumhead structure is changed, the drumhead structure is fixed to the drumhead support of the electronic percussion instrument by screw rotation, and the drumhead structure is installed by rotating, in operation It is more convenient and practical; reduces the number of parts of electronic percussion instruments, and realizes the light weight of electronic percussion instruments; through the annular bumps on the drumhead and the annular grooves on the lower drumhead, the membrane is clamped The body is fixed to make the entire drumhead more tightly connected; the added seal ring can make the entire drumhead evenly stressed and have better consistency; by setting the first bump, the second bump and the first groove, then Then the corresponding welding process is used to connect the top shell and the bottom shell tightly together, which increases the overall consistency, and the membrane body is fixed accordingly; a pinion is also provided on the mounting part of the base , Through the engagement of the pinion gear and the lower shell of the drum head, the drum head structure can be further fixed on the drum plate apron to make the connection better.

The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as the exclusion of other embodiments, but can be used for various Other combinations, modifications, and environments can be modified through the above teachings or technology or knowledge in related fields within the scope of the inventive concept described herein. The modifications and changes made by those skilled in the art do not depart from the spirit and scope of the present invention, and should fall within the protection scope of the appended claims of the present invention.

Claims (8)

A drum head structure of an electronic percussion instrument, comprising a bottom shell (15), characterized in that: the bottom shell (15) is provided with a drumhead support (5), the drumhead support (5) There is a lower drumhead shell (4) on the outside. The lower drumhead shell (4) is provided with a membrane body (3), a sealing ring (2) and a drumhead shell (1). 1) The sealing ring (2) and the membrane body (3) are inserted into the lower shell (4) of the drumhead; the outer side wall of the drumhead support (5) is provided with a first thread, and the lower drumhead The inner side of the shell (4) is provided with a second thread matching the first thread. The drum head structure of an electronic percussion instrument according to claim 1, wherein the outer side wall of the lower drum head shell (4) is provided with an external gear, and the bottom shell (15) is also provided with a mounting part (16) A pinion gear (21) is provided in the mounting part, and the pinion gear (21) meshes with an external gear on the lower drum shell (4). The drum head structure of an electronic percussion instrument according to claim 2, wherein the mounting part (16) is further provided with a rotating shaft (22) and a flange bearing (24), and the flange bearing ( 24) is sleeved in the mounting portion (16), the pinion gear (21) is set above the flange bearing (24), and the rotating shaft (22) is sleeved on the pinion gear (21) and the flange bearing (24) in turn )Inside. The drum head structure of an electronic percussion instrument according to claim 3, wherein a gear end cover (23) is provided above the mounting portion (16), and the gear end cover (23) is on the shaft (22). A first through hole for adjusting the rotating shaft (22) is arranged above the ), and one end of the rotating shaft (22) is fixedly provided with an adjusting block. The drum head structure of an electronic percussion instrument according to claim 1, wherein a first bump (101) is provided under the drum head shell (1), and the drum head lower shell (4) ) Is provided with a first groove (41) that cooperates with the first protrusion (101), the first groove (41) is also provided with a second protrusion (42), and the first protrusion ( The 101) and the second bump (42) are connected by pressing and fusion, and the film body (3) is wrapped between the first bump (101) and the second bump (42). The drum head structure of an electronic percussion instrument according to claim 5, characterized in that the lower shell (4) of the drum head is further provided with an annular groove (43) on the side of the second protrusion (42), The drum top shell (1) is provided with an annular protrusion (102) matching the annular groove (43) on one side of the first protrusion (101), and the annular protrusion (102) is clamped to the annular In the groove (43). The drum head structure of an electronic percussion instrument according to claim 1, characterized in that: the lower shell (4) of the drum head is further provided with a drum plate rubber ring (7), and the drum plate rubber ring (7) Sleeve on the bottom shell (15). The drum head structure of an electronic percussion instrument according to claim 1, characterized in that: a cushion (6) is further provided between the head support (5) and the bottom shell (15).

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