TWM449259U - Striking device of cajon - Google Patents

Description

Wooden drum blower

This creation is related to drum blowers, especially the beaters for wooden drums.

The appearance of the wooden drum is like a chair stool. Sitting on the different parts of the wooden box can make different sounds. It is quite suitable for impromptu performance. The structure of the wooden box drum is like an empty wooden box, and the rear of the wooden box is dug. A round hole, which is used for the sound outlet, and a sound line is placed inside the front of the wooden box to make a sound similar to a snare drum.

Please refer to "Figure 1". In order to increase the convenience and pattern of the strike, a wooden box blower can be used as an auxiliary means of attack. The conventional wooden box blower includes a pedal 1, a first stand. 2, a first sleeve 3, a second stand 4, a striker 5 and a fixed frame 6, wherein the fixed frame 6 is fixed with a wooden box drum 7, and the second vertical frame 4 is provided with a rotating rod that can be rotated back 8. The striking rod 5 is fixed on the rotating rod 8 and is facing the wooden box drum 7, and a pulling line (not shown) is disposed in the line sleeve 3. The pulling line is fixedly connected to the striking rod 5 at one end. The other end is fixed to the footboard 1 , and the foot pedal 1 is disposed on the first stand 2 , whereby the traction line can be pulled by stepping on the foot pedal 1 , thereby interlocking the rotating rod 8 Rotating, and thereby driving the striker 5 against the wooden drum 7.

The conventional wooden box drum striking device can increase the pattern of tapping the wooden box drum 7, and increase the exquisiteness of the performance, and the driving manner of the line sleeve 3 by allowing the pulling line to penetrate the footrest 1 The position can be freely adjusted according to the user's habits, and can meet the needs of use. However, by the displacement generated by stepping on the pedal 1 downward, the displacement of the traction wire is directly pulled, thereby driving the strut 5 to rotate, the displacement of the traction wire is small, and the generated torque is insufficient. Moreover, there is inevitably a static friction between the traction wire and the wire casing 3. Therefore, when the torque is insufficient, it is easy to have a feeling of stagnation when pedaling, and it is obviously unable to meet the demand when the wooden drum 7 is hit.

The main purpose of this creation is to expose a wooden box drum blower that can be stepped on smoothly to meet the needs of the wooden box drum.

In order to achieve the above object, the present invention is a wooden box drum striking device for striking a wooden box drum, which comprises a first vertical frame, a first support rod, a second vertical frame and a second support rod. a pedal, a wire sleeve, a striking bar and a fixing frame, wherein the first stand is provided with a first rotating rod that can be rotated, and one end of the first rod is fixed to the first rotating rod, and the first rod The second stand is provided with a second rotating rod that can be rotated, one end of the second supporting rod is fixed on the second rotating rod, and the foot pedal drives the first rotating rod to rotate.

And the wire sleeve is sleeved with a pulling wire, the pulling wire has a starting end and an end, the two ends of the wire sleeve are respectively fixed on the first vertical frame and the second vertical frame, and the beginning end of the pulling wire is fixed And maintaining a first distance from the first pole, the end of the traction line is fixed on the second pole, and maintaining a second distance from the second pole, and the The striker is fixed to the second rotating rod, and the fixed bracket clamps the wooden drum to fix.

According to this, through the leverage of the first strut and the second strut, the displacement of the traction wire can be increased, and the instantaneous torque is increased, and the static friction between the traction wire and the wire bushing is overcome, so In the structure of the present invention, when the user steps on the pedal to interlock the striker against the wooden drum, the smoothness of the pedaling can be increased, and the demand for use can be satisfied.

The detailed description of the present invention and the technical description thereof are now described in the following examples, but it should be understood that these examples are for illustrative purposes only and are not to be construed as limiting.
Please refer to Figure 2, Figure 3A, Figure 3B and Figure 4, which is a wooden drum blower for striking a wooden drum 100 comprising a first stand 10, a first pole 20, a second stand 30, a second pole 40, a foot pedal 50, a wire sleeve 60, a striker 70 and a fixed frame 80, wherein the first stand 10 is provided with a first rotating rod 11 that can be rotated, and one end of the first supporting rod 20 is fixed to the first rotating rod 11, and the first rotating rod 11 is rotated to return the first rotating rod. 11 a first beam 12 is extended downwardly, and a first elastic member 13 is hooked between the first frame 10 and the first beam 12 to recover by the elastic force of the first elastic member 13 Turn.
The second stand 30 is provided with a second rotating rod 31 which can be rotated and rotated. One end of the second supporting rod 40 is fixed on the second rotating rod 31, and the same second rotating rod 31 is returned to rotate. The first rotating rod 11 extends downwardly to a second beam 32. A second elastic member 33 is disposed between the second frame 30 and the second beam 32.
The pedal 50 drives the rotation of the first rotating rod 11. The first rotating rod 11 can laterally fix a driving rod 14. The driving rod 14 and the footboard 50 are fixed together by a belt 90. The first rotating rod 11 is rotated by the belt 90 having the characteristics of traction and bendability. Moreover, the driving rod 14 can have a groove 141, and the belt 90 is accommodated in the groove 141 to prevent the belt 90 from coming off.
The wire sleeve 60 is sleeved with a pull wire 61. The pull wire 61 has a start end 611 and a end 612. The two ends of the wire sleeve 60 are respectively fixed to the first stand 10 and the second stand 30. The first stand 10 can have a first support rod 15 for fixing the wire sleeve 60 to the first support rod 15, and the first support rod 15 can be screwed to a first orientation ring. 16. The wire sleeve 60 passes through the first orientation ring 16 and is fixed by the screwing of the second nut 91, which can fix the direction of the wire sleeve 60 to lower the traction wire 61 and the wire casing. Static friction between 60. Similarly, the second stand 30 can have a second support bar 34. The second support bar 34 fixes the wire sleeve 60, and the second support bar 34 screws a second orientation ring 35. The sleeve 60 is passed through the second orientation ring 35 and secured by the screwing of the second nut 91.

In addition, the starting end 611 of the pulling wire 61 is fixed on the first strut 20 and maintains a first distance D1 with the first rotating rod 11 (as shown in FIG. 5A), and the end of the pulling line 61 612 is fixed on the second pole 40 and maintains a second distance D2 with the second rotating rod 31 (as shown in FIG. 5B ), which is obtained by the first distance D1 and the second distance D2 By setting the lever principle, the displacement amount of the traction wire 61 can be increased, and the instantaneous torque can be increased to overcome the static friction between the traction wire 61 and the wire casing 60.

In addition, the striker 70 is fixed on the second rotating rod 31, the fixing frame 80 is fixed to the wooden box drum 100, and the fixing frame 80 has an L-shaped plate 81, and the L-shaped plate 81 is screwed and adjusted. The pressure ring 82 is adapted to accommodate different sizes of the wooden box drum 100 by adjusting the adjustment pressure ring 82.

Please refer to FIG. 5A and FIG. 5B again. This creation can drive the first rotating rod 11 to rotate when the user steps on the foot pedal 50, and the first rotating rod 11 rotates. The displacement of the traction wire 61 is driven, and the rotation of the second rotating rod 31 is linked, so that the rotation of the striking rod 70 can be driven. The first strut 20 and the second distance D2 are disposed through the first distance D1 and the second strut 20 The second strut 40 generates a lever function, in addition to increasing the displacement amount of the pull wire 61, and simultaneously increasing the instantaneous torque, overcoming the static friction between the pull wire 61 and the wire bushing 60, The user can increase the smoothness when stepping on the wooden box drum 100 by stepping on the foot pedal 50 and striking the foot pedal 50, thereby satisfying the demand for use.

However, the foregoing is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equal changes and modifications made by the patent application scope of this creation are covered by the scope of the creation patent.

Conventional knowledge
1‧‧‧ foot pedal
2‧‧‧First stand
3‧‧‧Wire casing
4‧‧‧Second stand
5‧‧‧Beat stick
6‧‧‧ Fixing frame
7‧‧‧ wooden box drum
8‧‧‧Roller creation
D1‧‧‧First distance
D2‧‧‧Second distance
10‧‧‧First stand
11‧‧‧First Rotary
12‧‧‧First beam
13‧‧‧First elastic element
14‧‧‧ drive rod
141‧‧‧ trench
15‧‧‧First support rod
16‧‧‧First orientation ring
20‧‧‧First pole
30‧‧‧Second stand
31‧‧‧Second Rotary
32‧‧‧second beam
33‧‧‧Second elastic element
34‧‧‧second support rod
35‧‧‧Second orientation ring
40‧‧‧Second pole
50‧‧‧ pedals
60‧‧‧Wire casing
61‧‧‧ traction line
611‧‧ ‧ beginning
End of 612‧‧
70‧‧‧Beat stick
80‧‧‧ fixed frame
81‧‧‧L-shaped board
82‧‧‧Adjustment pressure ring
90‧‧‧ Belt
91‧‧‧ Nuts
100‧‧‧ wooden box drum

Figure 1 is a schematic perspective view of a conventional structure.
Figure 2 is a three-dimensional structure diagram of the creation.
FIG. 3A is an exploded perspective view of the creation of the three-dimensional structure.
FIG. 3B is an exploded perspective view of the creation of the three-dimensional structure.
Figure 4 is a schematic diagram of the use of the creation.
FIG. 5A is a schematic diagram 1 of drawing a traction line of the present invention.
FIG. 5B is a schematic diagram 2 of the drawing of the traction line of the present invention.

10‧‧‧First stand

11‧‧‧First Rotary

12‧‧‧First beam

13‧‧‧First elastic element

14‧‧‧ drive rod

141‧‧‧ trench

15‧‧‧First support rod

16‧‧‧First orientation ring

20‧‧‧First pole

30‧‧‧Second stand

31‧‧‧Second Rotary

32‧‧‧second beam

33‧‧‧Second elastic element

34‧‧‧second support rod

35‧‧‧Second orientation ring

40‧‧‧Second pole

50‧‧‧ pedals

60‧‧‧Wire casing

61‧‧‧ traction line

611‧‧ ‧ beginning

70‧‧‧Beat stick

80‧‧‧ fixed frame

81‧‧‧L-shaped board

82‧‧‧Adjustment pressure ring

90‧‧‧ Belt

Claims (10)

A wooden box drum blower for striking a wooden box drum comprising:
a first stand, the first stand is provided with a first rotating rod that can return to rotate;
a first strut, one end of the first strut is fixed to the first rotating rod;
a second stand, the second stand is provided with a second rotating rod that can return to rotate;
a second pole, one end of the second pole is fixed to the second pole;
a pedal that drives the first rotating shaft to rotate;
a wire sleeve, the wire sleeve is sleeved with a pull wire, the pull wire has a start end and an end end, and the two ends of the wire sleeve are respectively fixed on the first stand and the second stand, and the pull line The beginning end is fixed on the first pole and maintains a first distance from the first pole, the end of the traction line is fixed on the second pole, and maintains a second distance from the second pole ;
a striking rod fixed to the second rotating rod; and a fixing frame that fixes the wooden box drum. The wooden box drum striking device of claim 1, wherein the first rotating rod extends downwardly with a first beam, and a first elasticity is set between the first vertical frame and the first beam element. The wooden box drum striking device of claim 1, wherein the first rotating rod extends downwardly with a second beam, and a second elasticity is set between the second frame and the second beam element. The wooden box drum striking device of claim 1, wherein the first rotating rod is laterally fixed with a driving rod, and the driving rod and the foot pedal are fixed together by a belt. The wooden drum blower of claim 4, wherein the drive rod has a groove, and the belt is received in the groove. The wooden drum blower of claim 1, wherein the first vertical frame has a first support rod, and the wire sleeve is fixed to the first support rod. The wooden box drum striking device of claim 6, wherein the first support rod is screwed with a first orientation ring, and the wire sleeve passes through the first orientation ring and snails of the second nut Combined and fixed. The wooden drum blower of claim 1, wherein the second vertical frame has a second support rod, the second support rod fixing the wire sleeve. The wooden box drum striking device of claim 8, wherein the second support rod is screwed with a second orientation ring, the wire sleeve passing through the second orientation ring and being screwed by the second nut fixed. The wooden box drum striking device of claim 1, wherein the fixing frame has an L-shaped plate, and the L-shaped plate is screwed to adjust the pressure ring.