Abstract: A quick-detachable and replaceable musical instrument holder includes at least one quick-detachable seat and at least one quick-detachable rod. The at least one quick-detachable seat includes a quick-detachable connector, a quick-detachable control latch and a reset part, and the quick-detachable rod includes an insertion rod and a holder body. The quick-detachable connector is provided with an insertion hole for inserting the insertion rod. A through hole penetrates transversely through the insertion hole. The quick-detachable control latch includes a cylinder, a pressing part and a protrusion are respectively provided at both ends of the cylinder. A notch including a bare section and a stopper section is provided in the middle of the cylinder. The stopper section is provided with a block.

Abstract: A drum frame clamping stand is clamped and fixed on a drum frame, and includes an upper clamping piece, a lower clamping piece and a screw locking piece. The upper clamping piece is provided with a locking and connecting structure. The upper clamping piece and the lower clamping piece are pivotally connected through a rotary shaft. A driving part and a driven part are respectively formed on the rotary shaft. The driven part includes an upper clamping end positioned on the drum frame. The lower clamping piece includes a abutting curved surface and a fixing part. The fixing part includes a lower clamping end. The screw locking piece passes through the driving part in a screw locking manner and presses against the abutting curved surface. The drum frame can share weights of devices arranged on the locking and connecting structure to reduce the stress of the screw locking piece.

Abstract: An angle adjustment device for lighting softbox includes an operating device, a first connecting rod, a second connecting rod, and a controlled device which are connected in series. The first/second connecting rod is provided with a first/second outer tube, a first/second inner tube and a first/second inner rod, one side of the first/second inner tube close to the operating device is provided with a first/second non-circular fixing base, and one side of the first inner tube distanced from the operating device is provided with a clamping fixing base; and the controlled device is provided with a rotary portion, an outer tube fixing base and a plurality of screw positioning beads, the plurality of screw positioning beads surround the outer tube fixing base and pass through the outer tube fixing base and the second outer tube, and the plurality of screw positioning beads abutting against the rotary portion.

Abstract: The invention discloses a steering joint for connecting a bottom pipe and a supporting pipe, which comprises a base, a rotary seat and a locking piece. The base comprises a sleeve portion connected with the bottom pipe and a first pivoting plate comprising a guide groove. The rotary seat comprises a clamp for clamping the supporting pipe and a second pivoting plate comprising a through hole. The first pivoting plate and the second pivoting plate are pivoted together at a pivoting point, when the first pivoting plate and the second pivoting plate rotate relatively, the through hole is kept align to the guide groove. The locking piece penetrates through the through hole and the guide groove and clamps and fixes the first pivoting plate and the second pivoting plate. Through that a certain distance exists between the locking piece and the pivoting point, the load carrying capacity is increased.

Abstract: A quick-detachable and replaceable musical instrument holder includes at least one quick-detachable seat and at least one quick-detachable rod. The at least one quick-detachable seat includes a quick-detachable connector, a quick-detachable control latch and a reset part, and the quick-detachable rod includes an insertion rod and a holder body. The quick-detachable connector is provided with an insertion hole for inserting the insertion rod. A through hole penetrates transversely through the insertion hole. The quick-detachable control latch includes a cylinder, a pressing part and a protrusion are respectively provided at both ends of the cylinder. A notch including a bare section and a stopper section is provided in the middle of the cylinder. The stopper section is provided with a block.

Abstract: A quick-detachable and replaceable musical instrument holder includes at least one quick-detachable seat and at least one quick-detachable rod. The at least one quick-detachable seat includes a quick-detachable connector, a quick-detachable control latch and a reset part, and the quick-detachable rod includes an insertion rod and a holder body. The quick-detachable connector is provided with an insertion hole for inserting the insertion rod. A through hole penetrates transversely through the insertion hole. The quick-detachable control latch includes a cylinder, a pressing part and a protrusion are respectively provided at both ends of the cylinder. A notch including a bare section and a stopper section is provided in the middle of the cylinder. The stopper section is provided with a block.

Abstract: The present invention provides a drum snare including a fixed seat, an actuation column, an actuation handle, a pull-down seat, an adjustment bolt, and a packing assembly. The actuation handle passes through a lateral hole to connect and fix to the actuation column. The lateral hole includes two snap-in slots pressing against the actuation handle. The pull-down seat includes a clamping seat and a non-circular rod body passing through the fixed seat in a non-rotation manner. The non-circular rod body includes an internal thread hole. The adjustment bolt is rotatably fixed on the actuation column. The adjustment bolt includes a thread section penetrating in the internal thread hole. The packing assembly is provided between the adjustment bolt and the actuation column. Therefore, a friction force between the adjustment bolt and the actuation column is increased through the packing assembly, and looseness of the adjustment bolt can be avoided.

Abstract: A clamping seat includes a pipe seat, a movable clamp and a fixed clamp. The pipe seat includes an inner pipe space and an outer pipe space to insert the inner pipe and the outer pipe. The pipe seat includes a side opening beside the inner pipe space and a side space beside the outer pipe space. The movable clamp includes an arc block beside the side opening, and a screwing member pressing the arc block into the inner pipe space then to press and fix the inner pipe. The fixed clamp includes a clamping plate in the side space, and a tightening bolt pressing the pipe seat against the clamping plate, allowing the clamping plate to press the outer pipe.

Abstract: The present invention provides a drum snare including a fixed seat, an actuation column, an actuation handle, a pull-down seat, an adjustment bolt, and a packing assembly. The actuation handle passes through a lateral hole to connect and fix to the actuation column. The lateral hole includes two snap-in slots pressing against the actuation handle. The pull-down seat includes a clamping seat and a non-circular rod body passing through the fixed seat in a non-rotation manner. The non-circular rod body includes an internal thread hole. The adjustment bolt is rotatably fixed on the actuation column. The adjustment bolt includes a thread section penetrating in the internal thread hole. The packing assembly is provided between the adjustment bolt and the actuation column. Therefore, a friction force between the adjustment bolt and the actuation column is increased through the packing assembly, and looseness of the adjustment bolt can be avoided.

Abstract: An assembling structure for a rod to be fixed or detached with a stand is provided, which includes an upper clamp element, a lower clamp element, and a bushing. The upper clamp element and the lower clamp element include an upper clamping space and a lower clamping space respectively. The shapes thereof correspond to the rod to tightly clamp the rod onto the stand. The lower clamp element includes a positioning structure that holds up the stand. The bushing is located between the upper clamp element and the stand body, so that the rod can be quickly pulled out from the upper and lower clamping space with less friction after the upper clamp element and the lower clamp element are loosened. When re-inserted, the rod is positioned through being held up by the positioning structure to meet the usage needs of fast withdrawal or positioning the rod.

Abstract: An assembling structure for a rod to be fixed or detached with a stand is provided, which includes an upper clamp element, a lower clamp element, and a bushing. The upper clamp element and the lower clamp element include an upper clamping space and a lower clamping space respectively. The shapes thereof correspond to the rod to tightly clamp the rod onto the stand. The lower clamp element includes a positioning structure that holds up the stand. The bushing is located between the upper clamp element and the stand body, so that the rod can be quickly pulled out from the upper and lower clamping space with less friction after the upper clamp element and the lower clamp element are loosened. When re-inserted, the rod is positioned through being held up by the positioning structure to meet the usage needs of fast withdrawal or positioning the rod.

Abstract: A positioning structure for tripod stand for quickly releasing a clamping state, comprising a main tube, upper, middle and lower binding sleeves and three support rods. The binding sleeves are sleeved on the main tube to rotate freely. The middle binding sleeve comprises a sliding slot provided with an upper clamping column, a lower clamping column and a spring. The upper and lower clamping columns are connected with upper and lower pressing keys protruding out of the middle binding sleeve. When the pressing keys are pressed, the spring is compressed and the clamping columns no longer protrude from the upper and lower sides of the middle binding sleeve. The clamping state can be released and the support rods of the binding sleeves can be freely rotated by pressing the binding keys, so that the three support rods can be rotated to a storage position or an unfolding position.

Abstract: The present invention provides a rotary joint of a telescopic rod for connecting a bottom pipe and a support pipe, which comprises a base, a support base and a screwing member. The base comprises a first clamp for clamping the bottom pipe and a first pivot plate, and the first pivot plate comprises a guide groove. The support base comprises a second clamp for clamping the support pipe and a second pivot plate, wherein the second pivot plate comprises a through hole, the first pivot plate and the second pivot plate are pivoted together at a pivot point, and when the first pivot plate and the second pivot plate rotate relatively, the through hole is kept to align to the guide groove. The screwing member penetrates through the through hole and the guide groove to clamp and fix the first pivot plate and the second pivot plate.

Abstract: The invention discloses a steering joint for connecting a bottom pipe and a supporting pipe, which comprises a base, a rotary seat and a locking piece. The base comprises a sleeve portion connected with the bottom pipe and a first pivoting plate comprising a guide groove. The rotary seat comprises a clamp for clamping the supporting pipe and a second pivoting plate comprising a through hole. The first pivoting plate and the second pivoting plate are pivoted together at a pivoting point, when the first pivoting plate and the second pivoting plate rotate relatively, the through hole is kept align to the guide groove. The locking piece penetrates through the through hole and the guide groove and clamps and fixes the first pivoting plate and the second pivoting plate. Through that a certain distance exists between the locking piece and the pivoting point, the load carrying capacity is increased.

Abstract: A clamping seat of the telescopic rod comprises a pipe seat, a movable clamp and a fixed clamp. The pipe seat comprises an inner pipe space and an outer pipe space to insert the inner pipe and the outer pipe. The pipe seat comprises a side opening beside the inner pipe space and a side space beside the outer pipe space. The movable clamp comprises an arc block beside the side opening, and a screwing member pressing the arc block into the inner pipe space then to press and fix the inner pipe. The fixed clamp comprises a clamping plate in the side space, and a tightening bolt pressing the pipe seat against the clamping plate, allowing the clamping plate to press the outer pipe. Accordingly, the arc block and the clamping plate contact the pipes in a large area to avoid local deformation and prevent damaged together.

Abstract: The present invention provides a rotary joint of a telescopic rod for connecting a bottom pipe and a support pipe, which comprises a base, a support base and a screwing member. The base comprises a first clamp for clamping the bottom pipe and a first pivot plate, and the first pivot plate comprises a guide groove. The support base comprises a second clamp for clamping the support pipe and a second pivot plate, wherein the second pivot plate comprises a through hole, the first pivot plate and the second pivot plate are pivoted together at a pivot point, and when the first pivot plate and the second pivot plate rotate relatively, the through hole is kept to align to the guide groove. The screwing member penetrates through the through hole and the guide groove to clamp and fix the first pivot plate and the second pivot plate.

Abstract: A structure for adjusting an angle of a pedal to be folded or unfolded includes a pedal seat, a rotating block and a locking element, wherein the pedal seat includes an upright post with a through lug, and the through lug is provided with a through hole, the rotating block includes a pivot hole to provide the through lug passing through and corresponding to the through hole, the rotating block and the upright post are provided with at least one contact surface, the rotating block and the upright post are respectively provided with at least one matched clamping structure to be correspondingly clamped at the at least one contact surface, the rotating block and the upright post are clamped by the locking element, so that matched clamping structures of the rotating block and matched clamping structures of the upright post are together engaged in a pairwise manner.

Abstract: The invention comprises a first fixture group for clamping a first erecting rod, a second fixture group for clamping a second erecting rod, a fixed bolt and a compression spring, wherein the first fixture group comprises a first cylindrical portion with a first non-circular axisymmetric profile, the second fixture group comprises a second cylindrical portion sleeved with the first cylindrical portion, the second cylindrical portion comprises a second non-circular axisymmetric profile correspondingly sleeved with the first non-circular axisymmetric profile, and the first cylindrical portion axially slides relative to the second cylindrical portion to have a rotatable rotating position and a non-rotatable clamping position, the fixed bolt penetrates through the second cylindrical portion, the first cylindrical portion and the compression spring to be screwed with a nut, and the first cylindrical portion is pushed by the compression spring to move from the rotating position to the clamping position.

Abstract: The invention comprises a first fixture group for clamping a first erecting rod, a second fixture group for clamping a second erecting rod, a fixed bolt and a compression spring, wherein the first fixture group comprises a first cylindrical portion with a first non-circular axisymmetric profile, the second fixture group comprises a second cylindrical portion sleeved with the first cylindrical portion, the second cylindrical portion comprises a second non-circular axisymmetric profile correspondingly sleeved with the first non-circular axisymmetric profile, and the first cylindrical portion axially slides relative to the second cylindrical portion to have a rotatable rotating position and a non-rotatable clamping position, the fixed bolt penetrates through the second cylindrical portion, the first cylindrical portion and the compression spring to be screwed with a nut, and the first cylindrical portion is pushed by the compression spring to move from the rotating position to the clamping position.