CN201576442U - Coaxial musical instrument double-pedal striking device - Google Patents

Abstract

A dual-pedal percussion device for a coaxial musical instrument, comprising: a base; a pedal having a rear end and a front end, the rear end being pivotally mounted to the base; the two brackets are fixed on the base and are respectively positioned on two sides of the pedal; a first rotating shaft rotatably disposed on a bracket, the first rotating shaft having a shaft hole formed thereon; a second rotating shaft which is arranged on the other bracket in a rotatable way and penetrates into the shaft hole of the first rotating shaft in a rotatable way, so that the first rotating shaft and the second rotating shaft respectively rotate along the same shaft center and form a supporting beam arranged between the two brackets; a chain component connected between the front end of the pedal and the first rotating shaft; and two hammers fixed on the first and second shafts, respectively. The structure of the device can be simplified and the structural strength of the device can be enhanced through the device.

Description

Coaxial instrument double pedal percussion device

【Technical field】

The utility model relates to a musical instrument percussion device, in particular to a coaxial double-pedal percussion device for musical instruments, which has two brackets, and two rotating shafts connected to each other are arranged between the two brackets so that the two rotating shafts can be used as one of the brackets at the same time. between support beams.

【Background technique】

Percussion instruments, such as gongs, cymbals, snare drums, and bass drums, etc., play music by striking them with percussion tools such as drumsticks.

Taking the bass drum as an example, it is generally placed on the foot of the drummer, and the bass drum is struck by a pedal percussion device so as to produce drum sounds.

Existing pedal hitting device has a base, a pedal, two supports, two rotating shafts, a support beam, two hammers, a chain and two resetting devices. The rear end of the pedal is pivotally connected to the base, and the front end is raised relative to the base. The two brackets are fixed on the base and are located on both sides of the pedal. The two rotating shafts are respectively arranged between the brackets in a rotatable manner. The support beam is fixed between the two brackets so as to stabilize the brackets. The two hammers are respectively fixed on the two rotating shafts, and a hammer part is arranged at the other end. One end of the chain is fixed on one of the rotating shafts through a fixing piece, and the other end is fixed on the front end of the pedal. The two resetting devices are respectively arranged on the two brackets, and are respectively connected to the two rotating shafts, so that the rotating shaft and the hammer can maintain a specific angle, and can automatically reset to the specific angle after being rotated by external force.

In addition, there is another foot pedal assembly that can be connected to another rotating shaft to drive the hammer on the rotating shaft. Through the foot pedal system composed of the above foot pedal striking device and the foot pedal assembly, the user can use the hammer at the same time. Use your left and right feet to hit the big drum.

However, in order to allow the two percussion hammers to operate independently without interfering with each other, there is no connecting structure between the two rotating shafts, and therefore, there will be no connecting structure between the two brackets. Strong, and the support beam is set just to reinforce the structural strength of the pedal striking device. However, the structure of the support beam spatially limits the elevation angle of the pedal and also limits the pivoting angle of the hammer.

【Content of utility model】

In view of the limitation of the angle between the pedal and the percussion hammer caused by the traditional pedal percussion device relying on the support beam to reinforce the structural strength, the utility model provides a coaxial double-pedal percussion device for musical instruments.

The main purpose of the utility model is to provide a coaxial double-pedal percussion device for musical instruments, which has two brackets, and two rotating shafts connected to each other are arranged between the two brackets so that the two rotating shafts can simultaneously serve as supporting beams between the brackets.

In order to achieve the above purpose, the utility model provides a coaxial double-pedal percussion device for musical instruments, including:

a base;

A pedal has a rear end and a front end, and the rear end is pivotally arranged on the base;

The two brackets are fixed on the base and are respectively located on both sides of the pedals;

A first rotating shaft is rotatably arranged on a bracket, and a shaft hole is formed on the first rotating shaft;

A second rotating shaft is rotatably arranged on the other bracket, and rotatably penetrates into the shaft hole of the first rotating shaft, so that the first rotating shaft and the second rotating shaft rotate along the same axis respectively, and forming a support beam disposed between two supports;

A chain assembly is connected between the front end of the pedal and the first rotating shaft; and

The second hammer is respectively fixed on the first rotating shaft and the second rotating shaft.

By means of the above technical means, since the first rotating shaft and the second rotating shaft are threadedly connected to each other to form a supporting beam between the two brackets, the structural strength of the coaxial musical instrument double-pedal percussion device can be enhanced. In addition, since the first rotating shaft and the second rotating shaft rotate independently without being affected by each other, the user can step on the pedal to drive the first rotating shaft and the percussion hammer on it to percussion instruments; Another foot pedal device can be connected to the outside, by stepping on the outside foot pedal device, the second rotating shaft and the percussion hammer on it can be driven to beat the musical instrument.

The aforementioned coaxial musical instrument double-pedal percussion device has a pivot hole formed through each bracket; the first shaft has a pivot rod and a connecting part, and the pivot rod rotatably passes through the pivot hole of one of the brackets. The connecting portion is formed at the inner end of the pivoting rod; the second shaft has a pivoting rod and a connecting rod, the pivoting rod rotatably passes through the pivot hole of the other bracket, and the connecting rod protrudes from the inner end of the pivoting rod protrudes and rotatably passes through the shaft hole from the inner side end of the pivoting rod of the first rotating shaft.

The aforementioned coaxial musical instrument double-pedal percussion device has an annular inner shoulder protruding radially inwardly from the first shaft hole; a positioning bearing interlocked with the inner shoulder is fixed on the end of the second shaft connecting rod. Prevent the connecting rod from falling off from the shaft hole.

In the aforementioned coaxial musical instrument double-pedal percussion device, an inner bearing is set in the hole of the first rotating shaft and fitted on the connecting rod of the second rotating shaft.

In the above-mentioned coaxial musical instrument double-pedal percussion device, an outer bearing is respectively arranged in the pivot hole of each bracket, and the two outer bearings are sleeved on the pivot rod of the first rotating shaft and the pivot connecting rod of the second rotating shaft respectively.

In the aforementioned coaxial musical instrument double-pedal percussion device, an assembly hole is formed on the outer end of the pivoting rod of the second rotating shaft, and an external linkage rod is fixed in the assembly hole.

The aforementioned coaxial musical instrument double-pedal percussion device, the chain assembly has a fixing fixture and a chain, and the fixing fixture clamps the connecting part of the first rotating shaft in a detachable manner. Attach the fixing clamps.

The above-mentioned coaxial musical instrument double-pedal percussion device further includes two reset devices, each reset device is respectively arranged on the outside of the bracket, and has a sleeve part and a tightening bolt respectively, and a perforation is formed on the sleeve part to be worn on the pivot. On the setting rod or the pivoting rod, a screw hole is additionally formed on the socket part, and the tightening bolt is screwed on the screw hole and is pressed against the pivoting rod or the pivoting rod.

In the aforementioned coaxial musical instrument double-pedal percussion device, each percussion hammer has a set of block, an arm lever and a hammer part respectively, and the set block is non-rotatably sleeved on the corresponding first shaft or the Two rotating shafts, the arm bar is arranged on the fitting block, and the hammer part is fixed at the end of the arm bar.

【Description of drawings】

Fig. 1 is a perspective view of the utility model.

Fig. 2 is another perspective view of the utility model.

Fig. 3 is a three-dimensional partial exploded view of the utility model.

Fig. 4 is an enlarged three-dimensional appearance view of the first rotating shaft and the second rotating shaft of the present invention.

Fig. 5 is another enlarged perspective view of the utility model following Fig. 4 .

Fig. 6 is a three-dimensional exploded view of the utility model following Fig. 4 .

Fig. 7 is a three-dimensional exploded view of the utility model following Fig. 5 .

Fig. 8 is a partial sectional view of the back of the utility model.

Fig. 9 is a three-dimensional partial sectional view of the utility model.

(10) base

(20) Pedals (21) Rear end

(22) front end

(30) Bracket (31) Pivot hole

(32) Outer bearing

(40) First rotating shaft (400) Shaft hole

(41) Pivot rod (42) Connecting part

(43) Inner bearing

(50) Second shaft (500) Assembly hole

(51) Pivot rod (52) Connecting rod

(520) Mounting hole (521) Locating bearing

(522) Fixing piece (55) Outer linkage rod

(60) Chain assembly (61) Fixing clamp

(62)Chain

(70) Hammer (71) Fitting block

(72) Arm Lever (73) Hammer

(80) Reset device (81) Socket

(82) Compression Bolts

【Detailed ways】

Please refer to Fig. 1 to Fig. 3, the utility model coaxial musical instrument double-pedal percussion device includes: a base 10, a pedal 20, two brackets 30, a first rotating shaft 40, a second rotating shaft 50, a chain component 60 , two hammers 70 and two reset components 80 .

The base 10 is flat.

The pedal 20 has a rear end 21 and a front end 22 , and the rear end 21 is pivotally mounted on the base 10 .

Two brackets 30 are fixed on the base 10 and located on two sides of the pedal 20 respectively. A pivot hole 31 is formed through each bracket 30 , as shown in FIG. 8 .

Please further refer to FIG. 4 to FIG. 7 , the first rotating shaft 40 is rotatably disposed on a bracket 30 , and a shaft hole 400 is formed on the first rotating shaft 40 . In addition, the first rotating shaft 40 has a pivoting rod 41 and a connecting portion 42 , the pivoting rod 41 rotatably passes through the pivot hole 31 of one of the brackets 30 , the connecting portion 42 is formed on the inner side of the pivoting rod 41 , It can protrude radially outward from the inner end of the pivot rod 41 .

Please further refer to Fig. 8 and Fig. 9, the second rotating shaft 50 is rotatably arranged on the other bracket 30, and rotatably penetrates into the shaft hole 400 of the first rotating shaft 40, so that the first rotating shaft 40 and The second rotating shafts 50 respectively rotate along the same axis and form a supporting beam disposed between the two brackets 30 . In addition, the second rotating shaft 50 has a pivoting rod 51 and a connecting rod 52 , the pivoting rod 51 rotatably passes through the pivot hole 31 of the other bracket 30 , and the connecting rod 52 protrudes from the inner side of the pivoting rod 51 Extend and rotatably pass through the shaft hole 400 from the inner side end of the pivot rod 41 of the first rotating shaft 40 .

The chain assembly 60 is connected between the front end of the pedal 20 and the first rotating shaft 40 . In addition, the chain assembly 60 has a fixing fixture 61 and a chain 62. The fixing fixture 61 clamps the connecting portion 42 of the first rotating shaft 40 in a detachable manner. One end is connected with a fixing fixture 61 .

The two striking hammers 70 are respectively fixed on the first rotating shaft 40 and the second rotating shaft 50 . Each hammer 70 may have a set of block 71 , an arm 72 and a hammer portion 73 . The fitting block 71 is sleeved on the corresponding first rotating shaft 40 or the second rotating shaft 50 in a non-rotatable manner. The arm bar 72 is arranged on the fitting block 71 . The hammer part 73 is fixed on the end of the arm bar 72 so as to beat musical instruments such as a bass drum.

Each reset device 80 is respectively arranged on the outside of the bracket 30, and has a sleeve portion 81 and a tightening bolt 82 respectively, and a perforation is formed on the sleeve portion 81 to be inserted on the pivot rod 41 or the pivot rod 51, A screw hole is further formed on the sleeve portion 81 , and the tightening bolt 82 is screwed into the screw hole and abuts against the pivot rod 41 or the pivot rod 51 .

The shaft hole 400 of the first rotating shaft 40 protrudes radially inwardly to form an annular inner shoulder 411; the end of the connecting rod 52 of the second rotating shaft 50 is formed with a mounting hole 520 and is fixed to the installation through a fixing member 522 such as a bolt. A positioning bearing 521 interlocked with the inner shoulder 411 is fixed on the end of the connecting rod 52 through the hole 520, thereby preventing the connecting rod 52 from falling off from the shaft hole 400, as shown in FIG. 6 .

In a preferred embodiment of the present utility model, the shaft hole 400 of the first rotating shaft 40 is provided with an inner bearing 43 that fits on the connecting rod 52 of the second rotating shaft 50 , so that the connecting rod 52 can stably rotate on the first rotating shaft 40 Inside.

In a preferred embodiment of the present invention, an outer bearing 32 is respectively arranged in the pivot hole 31 of each bracket 30, and the two outer bearings 32 are respectively fitted on the pivot rod 41 of the first rotating shaft 40 and the pivot joint of the second rotating shaft 50. on rod 51.

In a preferred embodiment of the present invention, an assembly hole 500 is formed on the outer end of the pivoting rod 41 of the second rotating shaft 50 , and an external linkage rod 55 is fixed in the assembly hole 500 . The external linkage rod 55 can be connected to a pedal 20 device through external parts, whereby the user can manipulate the coaxial musical instrument double-pedal percussion device and the pedal 20 device to drive the corresponding pedals respectively. Hammer 70.

By means of the above technical means, since the first rotating shaft 40 and the second rotating shaft 50 are connected through each other to form a supporting beam between the two brackets 30, the structural strength of the coaxial musical instrument double-pedal percussion device can be enhanced. In addition, the first rotating shaft 40 and the second rotating shaft 50 rotate independently without being affected by each other, whereby the user can step on the pedal 20 to drive the first rotating shaft 40 and the percussion hammer 70 on it to strike a musical instrument. ; The second rotating shaft 50 can be connected to another external foot pedal 20 device, and by stepping on the external pedal 20 device, the second rotating shaft 50 and the hammer 70 on it can be driven to strike the instrument.

Claims (9)

1. A coaxial musical instrument double-pedal percussion device is characterized in that: it comprises: a base; A pedal has a rear end and a front end, and the rear end is pivotally arranged on the base; Two brackets are fixed on the base and are respectively located on both sides of the pedals; A first rotating shaft is rotatably arranged on a bracket, and a shaft hole is formed on the first rotating shaft; A second rotating shaft is rotatably arranged on the other bracket, and is rotatably inserted into the shaft hole of the first rotating shaft, so that the first rotating shaft and the second rotating shaft rotate along the same axis respectively, and form a a support beam arranged between the two supports; a chain assembly connected between the front end of the pedal and the first shaft; and The two hammers are respectively fixed on the first rotating shaft and the second rotating shaft. 2. The double-pedal percussion device for coaxial musical instruments as claimed in claim 1, wherein a pivot hole is formed through each bracket; the first rotating shaft has a pivot rod and a connecting portion, and the pivot rod is connected with Rotatably through the pivot hole of one of the brackets, the connecting portion is formed at the inner end of the pivot rod; the second shaft has a pivot rod and a connecting rod, and the pivot rod rotatably passes through the pivot of the other bracket The connecting rod protrudes from the inner end of the pivoting rod and rotatably passes through the shaft hole from the inner end of the first rotating shaft pivoting rod. 3. The coaxial double-pedal percussion device for musical instruments as claimed in claim 2, characterized in that: the first shaft hole protrudes radially inward to form a ring-shaped inner shoulder; the end of the second shaft connecting rod A positioning bearing interlocked with the inner shoulder is fixed to prevent the connecting rod from falling off from the shaft hole. 4. The coaxial double-pedal percussion device for musical instruments according to claim 3, wherein an inner bearing is provided in the hole of the first rotating shaft and fitted on the connecting rod of the second rotating shaft. 5. The coaxial double-pedal percussion device for musical instruments as claimed in claim 4, characterized in that: the pivot holes of each bracket are respectively provided with an outer bearing, and the two outer bearings respectively pass through the pivot rod of the first rotating shaft and the second shaft. on the pivoting rod of the second rotating shaft. 6. The coaxial double-pedal percussion device for musical instruments according to claim 5, wherein an assembly hole is formed on the outer end of the pivot rod of the second rotating shaft, and an external linkage rod is fixed in the assembly hole. 7. The double-pedal percussion device for coaxial musical instruments as claimed in claim 6, wherein the chain assembly has a fixing fixture and a chain, and the fixing fixture clamps the connecting portion of the first rotating shaft in a detachable manner, and the chain Attach one end to the front of the pedal and the other end to the mounting clamp. 8. The double-pedal percussion device for coaxial musical instruments as claimed in claim 7, characterized in that: the double-pedal percussion device for coaxial musical instruments further includes two reset devices, each reset device is respectively arranged on the outside of the support, and has a The socket part and a tightening bolt, a perforation is formed on the socket part to be worn on the pivot rod or the pivot rod, and a screw hole is formed on the socket part, and the tightening bolt is screw-locked in the screw hole up and against the pivot rod or pivot rod. 9. The coaxial musical instrument double-pedal percussion device as claimed in any one of claims 1 to 8, wherein each percussion hammer has a set of fitting blocks, an arm lever and a hammer portion respectively, and the fitting The block is non-rotatably sleeved on the corresponding first rotating shaft or the second rotating shaft, the arm is arranged on the fitting block, and the hammer part is fixed at the end of the arm.

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