TWI720908B - Support joint of musical instrument and middle drum bracket containing same - Google Patents

Abstract

A supporting joint of a musical instrument and a middle drum stand containing the same. The middle drum stand comprises a vertical rod unit and two supporting joints. The vertical rod unit includes a vertical rod and a connecting rod. The supporting joints are respectively arranged at two opposite ends of the connecting rod, and each supporting joint includes a fixing seat, a rotating seat, a cantilever and an adjusting group. The fixing seat is fixed on the connecting rod and has a through hole and a number of positioning teeth. The rotating seat is rotatably disposed on the fixed seat and has a pivot hole and a number of biting teeth. The rotating seat can rotate relative to the fixed seat. The biting teeth are used to engage the positioning teeth to make the rotating seat Get positioning. The cantilever is fixed to the rotating base and rotates with the rotating base. The adjusting group is operatively arranged in the through hole and the pivot hole and used to tightly connect the rotating seat to the fixed seat.

Description

Support joint of musical instrument and middle drum bracket containing same

The present invention relates to a support for a musical instrument, in particular to a support joint of a musical instrument and a middle drum stand containing it.

Referring to Figure 1, an existing middle drum stand is suitable for suspending two middle drums (not shown). The middle drum stand includes a straight rod 11 extending upward, and two adjusting seats arranged on the straight rod 11 12. Each adjusting seat 12 has two seat bodies 121, a spherical base support rod 122, and a locking member 123. The seats 121 are pivotally connected to each other and combined to form a clamping chamber 120. The spherical base support rod 122 has a spherical body 124 accommodated in the clamping chamber 120, and a rod body 125 extending from the spherical body 124 outwards and then upwards. The rods 125 are used to mount the The corresponding middle drum. The locking member 123 has a bolt 126 rotatably screwed to the seat bodies, and a set of springs 127 arranged on the bolt 126 and springing between the seat bodies 121, by screwing in or unscrewing the The bolt 126 makes the spherical body 124 of the spherical base support rod 122 rotate in the clamping chamber 120 to rotate the angle of the rod body 125.

Although the middle drum holder has the above-mentioned characteristics of use, but due to the spherical shape The spherical body 124 of the base support rod 122 can rotate 360 degrees in the clamping chamber 120 back and forth, left and right. For beginners, it is not easy to adjust the suitable angle, and it is impossible to confirm that the adjustment angle is the same every time. Therefore, the learning effect is reduced. In addition, accidents may occur in which the bolt 126 is not locked and the spherical base support rod 122 is detached from the seats 121, resulting in damage to the musical instrument.

Therefore, the purpose of the present invention is to provide a middle drum support with stable structure and easy angle adjustment.

Therefore, the drum stand of the present invention includes a pole unit and two supporting joints. The vertical rod unit includes a vertical rod extending upward in an up-down direction, and a connecting rod spanning the top of the vertical rod. The supporting joints are respectively adjustably arranged at two opposite ends of the connecting rod.

Each support joint includes a fixed seat, a rotating seat, a cantilever and an adjustment group. The fixing seat is fixed to one end of the connecting rod. The fixing seat has a through hole extending along an installation axis and a plurality of positioning teeth surrounding the through hole, and the installation axis intersects the up and down direction. The rotating seat is rotatably disposed on the fixed seat, the rotating seat has a pivot hole extending along the mounting axis, and a plurality of engaging teeth surrounding the pivot hole, and the rotating seat can be opposed to each other with the mounting axis as the center When rotating on the fixed seat, the occlusal teeth are used to occlude the positioning teeth and position the rotating seat. The cantilever is fixed On the rotating seat and rotating with the rotating seat. The adjusting group is operably arranged in the through hole of the fixed seat and the pivot hole of the rotating seat and is used to force the rotating seat to be tightly connected to the fixed seat.

Another object of the present invention is to provide a musical instrument support joint with stable structure and easy angle adjustment.

Therefore, the supporting joint of the musical instrument of the present invention includes a fixed seat, a rotating seat, a cantilever and an adjustment group. The fixing seat has a through hole extending along a mounting axis, and a plurality of positioning teeth surrounding the through hole. The rotating seat is rotatably disposed on the fixed seat, the rotating seat has a pivot hole extending along the mounting axis, and a plurality of occlusal teeth surrounding the pivot hole, the rotating seat can be centered on the mounting axis relative to The fixed seat rotates, and the occlusal teeth are used for engaging with the positioning teeth, and the rotating seat is positioned. The cantilever is fixed to the rotating base and rotates with the rotating base. The adjusting group is operably arranged in the through hole of the fixed seat and the pivot hole of the rotating seat and is used to force the rotating seat to be tightly connected to the fixed seat.

The effect of the present invention is that the angle can be adjusted by rotating the rotating seat with the mounting axis as the center, and the bite teeth of the rotating seat are engaged with the positioning teeth of the fixing seat, so that the supporting joint has The preset number of adjustable segments can be adjusted to the required angle without excessive operation and rotation. At the same time, by arranging the adjusting group on the fixed base and the rotating base at the same time, during the process of adjusting the angle of the cantilever, the rotating base still has supporting force and will not accidentally fall, and the structure of the supporting joint is relatively stable.

2: Pole unit

21: pole

22: Pedestal

221: Block

222: Lid

223: lock firmware

224: set hole

225: Lower tooth groove

226: tooth groove

227: upper tooth groove

228: tooth groove

23: connecting rod

231: left end

232: right end

233: central section

234: Teeth

235: rack

300: Support joint

4: fixed seat

41: body

411: end face

412: Through Hole

413: positioning tooth

414: Long hole section

415: round hole segment

416: hole

42: Wall

43: Radial perforation

44: Alcove

5: Rotating seat

51: Block

511: Radial through hole

52: boss

521: Bite Teeth

53: Pivot

6: Adjustment group

61: Fastener

611: head

612: pole

613: fixed hole

614: External thread section

62: Rotating part

621: threaded hole

622: Rotating part

7: Cantilever

71: connecting end

711: screw hole

72: Mounting end

81: positioning parts

82: Threaded parts

L: installation axis

Z: Up and down direction

Y: left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of an existing middle drum stand; Fig. 2 is an embodiment of the drum stand of the present invention An incomplete three-dimensional view; Figure 3 is an incomplete three-dimensional exploded view of a pole unit of this embodiment; Figure 4 is an incomplete three-dimensional exploded view of this embodiment; Figure 5 is a cross-sectional view of this embodiment Schematic diagram; and Figure 6 is a perspective view of a fixed seat and a rotating seat of this embodiment.

2 to 4, an embodiment of the drum stand of the present invention is a double-headed middle drum stand for installing two middle drums (not shown), the middle drum stand includes a pole unit 2 And two supporting joints 300.

The upright unit 2 includes a upright rod 21 extending upward in an up-down direction Z, a base 22 arranged on the top side of the upright rod 21, and a top end of the upright rod 21 and passing through the The connecting rod 23 of the base 22. The base 22 has a base 221 and a cover 222 that are aligned with each other along the vertical direction Z, and two locking members 223 for locking the cover 222 to the base 221. The seat body 221 has a hole for the pole 21 to pass through The sleeve hole 224, and a lower tooth groove 225 formed on the top side, the lower tooth groove 225 has a plurality of tooth grooves 226. The cover 222 has an upper tooth groove 227 facing the base 221, and the upper tooth groove 227 has a plurality of tooth grooves 228. The connecting rod 23 has a left end 231 and a right end 232 oppositely arranged in a left-to-right direction Y, and a central section 233 located between the left end 231 and the right end 232. The left end 231 and the right end 232 are obliquely arranged opposite to each other. The central section 233 has a tooth portion 234 for engaging the upper tooth groove 227 and the lower tooth groove 225. The tooth portion 234 has a plurality of teeth for engaging with The rack 235 of the tooth grooves 226 and 228. In this embodiment, each locking member 223 is a type of bolt. When the locking members 223 are loosened, the connecting rod 23 can rotate relative to the base 22 to adjust the front and back rotation angle of the middle drums. When the fasteners 223 are tightened, the tooth portion 234 of the connecting rod 23 is engaged with the upper toothed groove 27 and the lower toothed groove 225, whereby the connecting rod 23 is fixed to the base 22 It won't spin.

Referring to FIGS. 2, 4 and 5, the supporting joints 300 are respectively adjustably disposed at the left end 231 and the right end 232 of the connecting rod 23 and used for installing the middle drums. Each support joint 300 includes a fixed base 4, a rotating base 5, an adjustment group 6 and a cantilever 7.

4-6, the fixing base 4 is fixed to the connecting rod 23 and has a body 41, a wall 42 surrounding and connected to the body 41, and a wall 42 that penetrates the wall 42 and the body 41 and A radial perforation 43 for the connecting rod 23 to pass through. The main body 41 has an end surface 411 and a through hole extending along a mounting axis L and opened at the end surface 411 412. The mounting axis L intersects the connecting rod 23 and also intersects the radial through hole 43. The end surface 411 cooperates with the surrounding wall 42 to define a cavity 44 with an opening facing the rotating seat 5. The end surface 411 is formed with a plurality of positioning teeth 413 surrounding the through hole 412. The through hole 412 is penetrated by the radial through hole 43 and has a long hole section 414 adjacent to the end surface 411 and a round hole section 415 opposite to the long hole section 414.

The body 41 of the fixing seat 4 also has two openings 416 extending from the end surface 411 to the radial through hole 43. Each of the supporting joints 300 further includes two positioning members 81, and the positioning members 81 respectively penetrate the Wait for the opening 416 and lock it to the connecting rod 23 so that the fixing base 4 is fixed to the connecting rod 23. Preferably, each positioning member 81 is a screw.

The rotating base 5 is rotatably disposed on the fixed base 4. In this embodiment, the rotating base 5 has a base 51, and a base 51 extends from the base 51 toward the fixed base 4 and is accommodated in the recessed chamber The boss 52 in 44 and a pivot hole 53 extending along the mounting axis L and passing through the base 51 and the boss 52, and the pivot hole 53 is aligned with the through hole 412. The seat body 51 has a radial through hole 511 intersecting the mounting axis L, and the radial through hole 511 passes through the pivot hole 53. A plurality of engaging teeth 521 surrounding the pivot hole 53 are formed on the end surface 411 of the boss 52 facing the fixing base 4. The boss 52 is accommodated in the recess 44 and the biting teeth 521 are used to bite the positioning teeth 413, so that the rotating seat 5 can be centered on the mounting axis L relative to the fixed seat 4 Rotate to adjust in sections and obtain positioning. However, in other modified examples, the positions of the concave chamber 44 and the boss 52 can also be interchanged. Similarly, the teeth can be used to bite each other and the positioning can be adjusted in sections.

Referring to FIG. 4 and FIG. 5, the adjusting group 6 is operatively disposed on the fixed base 4 and the rotating base 5. In this embodiment, the adjustment set 6 has a fastener 61 and a rotating member 62. The fastener 61 penetrates through the pivot hole 53, the connecting rod 23 and the through hole 412 and partially penetrates the through hole 412. The rotating member 62 is rotatably sleeved on the fastener 61 and used to abut against the fixing base 4. Preferably, the fastener 61 has a head 611 arranged in the pivot hole 53, and a rod 612 extending from the head 611 toward the fixing seat 4 and partially out of the fixing seat 4, the head The portion 611 has a fixing hole 613 extending in the same direction as the radial through hole 511, and the rod portion 612 has an external threaded section 614. The rotating member 62 is a wing-shaped knob and has a threaded hole 621 screwed on the external threaded section 614, and a rotating part 622 for applying force. The fastener can be driven by rotating the rotating member 62 61 squeezes the rotating base 5 so that the rotating base 5 is engaged and positioned on the fixed base 4. Using threaded engagement positioning is the best fastening method, but in other variations, the adjustment set 6 can also adopt other engagement fastening methods such as spring-fitted balls, as long as it can have a loosening and locking effect.

The cantilever 7 penetrates into the radial through hole 511 of the rotating seat 5 and the fixing hole 613 of the fastener 61, and the cantilever 7 is used for installing a middle drum. Preferably, the cantilever 7 is generally L-shaped and has a connecting end 71 passing through the radial through hole 511 and the fixing hole 613, and a connecting end 71 extending upward from the connecting end 71 for mounting the middle drum The mounting end 72 has a screw hole 711 on the connecting end 71. A threaded member 82 is screwed to the screw hole 711 to make The cantilever 7 will not fall out of the rotating seat 5.

To adjust the angle of the middle drum, as long as the rotating member 62 is loosened and the rotating seat 5 is rotated, the cantilever 7 will rotate with the rotating seat 5 relative to the mounting axis L, and the left and right sides of the middle drum can be adjusted. slope. If there is a need to adjust the front and rear inclination angle, just loosen the locking members 223 of the base 22, and then the connecting rod 23 can be rotated to adjust the front and rear inclination angle of the middle drum.

It should be noted that in this embodiment, an angle scale can be formed on the outer surface of the rotating base 5 to facilitate the user to record the angle. However, the outer surface of the rotating base 5 of the present invention does not have to form an angle scale, and the user can also use The pencil marks the rotation base 5, and the angle can still be recorded.

The supporting joint 300 of the present invention utilizes the biting teeth 521 of the rotating base 5 to engage the positioning teeth 413 of the fixing base 4, so that the supporting joint 300 has a preset number of adjustable sections without excessive operation and rotation. Then it can be adjusted to the required angle. At the same time, by the adjustment group 6 simultaneously piercing the fixing seat 4 and the rotating seat 5, during the angle adjustment process, the rotating seat 5 still has supporting force and will not accidentally fall. Therefore, the support joint 300 The structure is relatively stable.

It should be understood that the support joint 300 of the present invention can also be used for the support of other musical instruments, such as cymbals or cowbells, in addition to the middle drum support.

The middle drum support of the present invention divides the angle adjustment into the front and back and the left and right directions respectively, so that beginners can adjust the suitable angle, except for the support joints. 300 has a preset number of adjustable segments, and uses the racks 235 of the connecting rod 23 to engage the tooth grooves 226, 228 of the base 22, and also has a preset number of adjustable segments. It can be adjusted to the required angle without excessive operation and rotation. Therefore, it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope of the patent of the present invention.

2: Pole unit

21: pole

22: Pedestal

221: Block

222: Lid

223: lock firmware

23: connecting rod

300: Support joint

4: fixed seat

5: Rotating seat

6: Adjustment group

7: Cantilever

Z: Up and down direction

Y: left and right direction

Claims (10)

A middle drum support includes: a vertical rod unit, including a vertical rod extending upward in an up-and-down direction, and a connecting rod spanning the top of the vertical rod; two supporting joints, respectively, adjustably arranged at Two opposite ends of the connecting rod, each of the supporting joints includes: a fixing seat fixed to one end of the connecting rod, the fixing seat having a through hole extending along an installation axis, and a through hole passing through the through hole for the connection The rod penetrates the radial perforation, and a number of positioning teeth surrounding the through hole, the mounting axis intersects the connecting rod; a rotating seat is rotatably arranged on the fixed seat, the rotating seat has an installation along the A pivot hole extending from the axis, and a plurality of occlusal teeth surrounding the pivot hole, the rotating seat can rotate relative to the fixed seat with the mounting axis as the center, and the occluding teeth are used to engage the positioning teeth , And positioning the rotating seat; a cantilever, fixed to the rotating seat and rotating with the rotating seat; and an adjustment group, which penetrates the fixed seat and the rotating seat at the same time and is operably disposed on the fixed seat The through hole and the pivot hole of the rotating seat are used to force the rotating seat to be tightly connected to the fixed seat. The middle drum stand according to claim 1, wherein the fixing seat further has a body and a wall surrounding the body, the body has an end surface, the through hole is formed in the body and opens to the end surface, The positioning teeth are formed on the end surface, and the end surface cooperates with the surrounding wall to define an opening facing the rotating seat Alcove. The middle drum support according to claim 2, wherein the fixing seat further has two openings extending from the end surface to the radial perforation, and each of the supporting joints further includes two positioning members, and the positioning members are respectively Pass through the openings and press tightly on the connecting rod. The middle drum stand according to claim 2, wherein the rotating base further has a base and a boss extending from the base toward the fixing base, and the boss is accommodated in the recess and has the For biting teeth, the pivot hole extends from the seat body to the boss, the seat body has a radial through hole intersecting the mounting axis, and the radial through hole passes through the pivot hole and allows the cantilever to pass through. The middle drum stand according to claim 1, wherein the adjustment set has a fastener penetrating through the through hole and the pivot hole, and a rotatably sleeved on the fastener for abutting against the Rotating part of the fixed seat. The middle drum stand according to claim 5, wherein the fastener has a head provided in the pivot hole, and a rod extending from the head toward the fixing seat and passing through the fixing seat, the head The part has a fixing hole for the cantilever to pass through, the rod part has an external threaded section, and the rotating member has a threaded hole screwed on the external threaded section. The middle drum stand according to claim 1, wherein the vertical rod unit further includes a base provided on the top side of the vertical rod for the connecting rod, and the connecting rod can be selectively pivoted relative to the base turn. The middle drum stand according to claim 7, wherein the base has a seat body and a cover body that are aligned with each other, and the seat body has a sleeve hole for the vertical rod to pass through, and a hole formed on the top side Lower tooth-shaped groove, the cover has a The upper toothed groove, the connecting rod has a central section located between two opposite ends, and the central section has a tooth part for engaging the upper toothed groove and the lower toothed groove. The middle drum stand according to claim 8, wherein the base further has two locking members for locking the cover to the base, and when the locking members are loosened, the connecting rod can be opposite to The base rotates. A supporting joint for a musical instrument, comprising: a fixing base with a through hole extending along a mounting axis, and a plurality of positioning teeth surrounding the through hole; a rotating base rotatably arranged on the fixing base, the rotation The seat has a pivot hole extending along the mounting axis, and a plurality of occlusal teeth surrounding the pivot hole. The rotating seat can rotate relative to the fixed seat with the mounting axis as the center, and the occluding teeth are used to engage with The positioning teeth enable the rotating seat to be positioned; a cantilever, fixed to the rotating seat and rotating with the rotating seat; and an adjustment group, which penetrates the fixed seat and the rotating seat at the same time and is operably arranged The through hole of the fixed seat and the pivot hole of the rotating seat are used to force the rotating seat to be tightly connected to the fixed seat.

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