Snap-in assembly and music stand

Abstract

The embodiments of the present disclosure provide a snap-in assembly, which is applied to a music stand. The snap-in assembly includes a snap-in component, which is configured as a flange structure extending outward along a surface of a sheet music board and a snap-in slot. The snap-in slot includes a first side wall, a second side wall and a slot base. At least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is provided between the protrusion and the slot base. The snap-in component is snapped into the first gap, so that the sheet music board is restricted within the snap-in seat.

What is claimed is: 
     
         1 . A snap-in assembly configured for a music stand, comprising,
 at least one snap-in component, configured as a flange structure extending outward along a surface of a sheet music board, wherein the flange structure is arranged on a second side of the sheet music board; and   a snap-in seat, wherein a top of the snap-in seat is provided with a snap-in slot, the snap-in slot comprises a first side wall, a second side wall and a slot base; at least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is formed between the protrusion and the slot base; and   the at least one snap-in component is snapped in the first gap to allow the sheet music board to be restricted on the snap-in seat in response to the sheet music board being inserted and moved to a preset position of the snap-in seat.   
     
     
         2 . The snap-in assembly according to  claim 1 , wherein the first side wall of the snap-in slot is provided with at least one first protrusion, and the second side wall of the snap-in slot is provided with at least one second protrusion;
 a first side of the sheet music board is provided with at least one first snap-in component, and a second side of the sheet music board is provided with at least one second snap-in component; and   the at least one first protrusion is mutually engaged with the at least one first snap-in component, and the at least one second protrusion is mutually engaged with the at least one second snap-in component in response to the sheet music board being located at the preset position of the snap-in seat.   
     
     
         3 . The snap-in assembly according to  claim 1 , wherein a first end of the snap-in slot is provided with a third side wall, the third side wall is connected to at least one of the first side wall, the second side wall, and the slot base; and
 the third side wall is configured to limit the sheet music board from continuing to move along a first direction in response to the sheet music board moving along the first direction to the preset position of the snap-in seat.   
     
     
         4 . The snap-in assembly according to  claim 1 , wherein a second end of the snap-in slot is provided with an elastic locking plate, a first end of the locking plate is connected to the slot base, and the locking plate is provided with a locking block;
 the second side of the sheet music board is provided with at least one bayonet; and   the locking block and the bayonet are mutually engaged to restrict the movement of the sheet music board in response to the sheet music board being located at the preset position of the snap-in seat.   
     
     
         5 . A music stand, comprising:
 a snap-in assembly and a fixing assembly;   wherein the snap-in assembly comprises at least one snap-in component and a snap-in seat;   the at least one snap-in component is configured as a flange structure extending outward along a surface of the sheet music board, wherein the flange structure is arranged on a second side of the sheet music board;   a top of the snap-in seat is provided with a snap-in slot, the snap-in slot comprises a first side wall, a second side wall and a slot base; at least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is formed between the protrusion and the slot base;   the at least one snap-in component is snapped in the first gap to allow the sheet music board to be restricted on the snap-in seat in response to the sheet music board being inserted and moved to a preset position of the snap-in seat; and   a first end of the fixing assembly is connected to the snap-in assembly, and a second end of the fixing assembly is connected to a carrier for carrying the music stand.   
     
     
         6 . The music stand according to  claim 5 , wherein the snap-in assembly further comprises an adjusting structure with at least one degree of freedom, and the adjusting structure is configured to adjust an angle of the sheet music board with respect to the snap-in assembly; and
 a first end of the adjusting structure is connected to the snap-in seat, and a second end of the adjusting structure is connected to a first end of the fixing assembly.   
     
     
         7 . The music stand according to  claim 6 , wherein the adjusting structure comprises a tubular inner sleeve and an outer sleeve;
 a first end of the inner sleeve is connected to the snap-in seat, an outer wall of the inner sleeve is provided with an external thread, and an outer wall of a second end of the inner sleeve is defined with an opening along its axial direction;   the outer sleeve is provided with an internal thread that engages with the external thread; and   the opening of the inner sleeve is gradually closed to allow an inner diameter of a port of the second end of the inner sleeve gradually decreases in response to the outer sleeve being screwed into the inner sleeve; the inner diameter of the port of the second end of the inner sleeve gradually increases in response to the outer sleeve being screwed out of the inner sleeve.   
     
     
         8 . The music stand according to  claim 7 , wherein the adjusting structure also comprises a ball joint, the ball joint comprises a connecting rod and a ball disposed on a first end of the connecting rod;
 the ball is configured to be installed inside the inner sleeve, and the ball in the inner sleeve is configured to be fixed by the outer sleeve; a second end of the connecting rod is connected to a first end of the fixing assembly.   
     
     
         9 . The music stand according to  claim 6 , wherein the fixing assembly comprises a fixing plate and a fastening belt, a first side of the fixing plate is provided with a bending portion, a second side of the fixing plate is provided with at least one strip-shaped hole, and the fastening belt is limited between the strip-shaped hole and the bending portion; and
 a second end of the adjusting structure is connected to the fixing plate.   
     
     
         10 . The music stand according to  claim 9 , wherein an end of the bending portion is upwardly bent and hook shaped. 
     
     
         11 . The music stand according to  claim 10 , wherein the hook-shaped end is provided with an upwardly bent flange. 
     
     
         12 . The music stand according to  claim 6 , wherein the fixing assembly comprises an arc plate and a locking belt, a first end of the arc plate is connected to a first end of the locking belt, a second end of the arc plate is provided with a locking buckle; the locking belt is provided with a plurality of locking holes, and the fixing assembly adjusts the tightness of the locking belt through engaging the locking buckle with different locking holes; and
 a second end of the adjusting structure is connected to an outer arc surface of the arc plate.   
     
     
         13 . The music stand according to  claim 12 , wherein an inner arc surface of the arc plate is provided with a gasket. 
     
     
         14 . The music stand according to  claim 13 , wherein the first end of the arc plate is provided with a through hole, a first end of the gasket is connected to a first end of the locking belt, and a second end of the locking belt is configured to pass through the through hole. 
     
     
         15 . The music stand according to  claim 6 , wherein the fixing assembly comprises a first clamping plate, a second clamping plate, a bolt and a nut;
 the first clamping plate is fixedly connected to a first end of the bolt, the nut is installed on a second end of the bolt, the second clamping plate is provided with a through hole configured for the bolt to pass through, and the second clamping plate is installed on the bolt through the through hole and is restricted between the first clamping plate and the nut; and   the nut is configured to adjust the distance between the first clamping plate and the second clamping plate and control the clamping force of the fixing assembly.   
     
     
         16 . The music stand according to  claim 6 , wherein the fixing assembly comprises an interlocking plate, a first end of the interlocking plate is defined with an interlocking interface, the interlocking interface is configured to be interlocked with the carrier, and the second end of the adjusting structure is connected to a second end of the interlocking plate. 
     
     
         17 . The music stand according to  claim 5 , wherein a telescopic structure with adjustable length is provided between the snap-in assembly and the fixing assembly, a first end of the telescopic structure is connected to the snap-in assembly, and a second end of the telescopic structure is connected to the fixing assembly; or
 a flexible rod is provided between the snap-in assembly and the fixing assembly, a first end of the flexible rod is connected to the snap-in assembly, and a second end of the flexible rod is connected to the fixing assembly.   
     
     
         18 . The music stand according to  claim 5 , wherein the sheet music board further comprises,
 at least one through hole, proximate to a first side of the sheet music board, wherein the first side and the second side are arranged opposite to each other; and   a page ring, arranged by means of the through hole, wherein the page ring is configured to limit the sheet music on the sheet music board.   
     
     
         19 . The music stand according to  claim 18 , wherein the page ring is openable or closable. 
     
     
         20 . The music stand according to  claim 18 , wherein the sheet music board also comprises a loose-leaf page, and the sheet music is configured to be placed in or taken out of the loose-leaf page; and
 the page ring is configured as openable and configured for the loose-leaf page to be installed.