CN210403148U

CN210403148U - Piano truckle with adjustable

Info

Publication number: CN210403148U
Application number: CN201920915057.2U
Authority: CN
Inventors: 金勇�
Original assignee: Beijing Jiangjie Piano City Co Ltd
Current assignee: Beijing Jiangjie Piano City Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-24
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses an adjustable caster wheel of a piano in the technical field of pianos, which comprises a fixed seat and a brake mechanism, a shaft lever is inserted at the bottom of the fixed seat, a lead screw is inserted at the top end of the shaft lever in a threaded manner, a scroll bar is inserted at the top of the outer wall of the right side of the fixed seat, the right end of the scroll bar is fixedly connected with a rotating hand wheel through a screw, the bottom end of the shaft lever is fixedly connected with a buffer piece, the bottom of the buffer piece is provided with a U-shaped seat, when the piano of the utility model is placed on uneven ground, the roller is locked by the brake mechanism, the worm is driven to rotate by rotating the rotating hand wheel, the lead screw is driven to rotate by the matching of the worm and the worm wheel, thereby make axostylus axostyle rebound through the cooperation of lead screw, otherwise, the contrarotation rotates the hand wheel and can makes the axostylus axostyle downstream carry out the altitude mixture control of truckle, until the piano place the level can, convenient to use, it is swift simple and convenient to adjust.

Description

Piano truckle with adjustable

Technical Field

The utility model relates to a piano technical field specifically is a piano truckle with adjustable.

Background

At present, for the convenience of the removal or the transportation of piano, mostly can be provided with the truckle in piano bottom four corners department, but current piano truckle height-inedjustable is placing on uneven ground, and the piano of placing is not horizontality to the influence is used, and when removing or transporting simultaneously, when contacting uneven ground, easily produces great power of shaking, fragile piano, for this reason, we propose an adjustable piano truckle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano truckle with adjustable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable piano caster comprises a fixing seat and a brake mechanism, wherein a shaft lever is inserted at the bottom of the fixing seat, a lead screw is inserted at the top end of the shaft lever in a threaded manner, the top end of the lead screw is movably connected with the inner wall of the top of the fixing seat through a bearing, a threaded blind hole matched with the lead screw is formed in the top of the shaft lever, a limiting plate is sleeved on the outer wall of the lead screw in a threaded manner and is fixed in an inner cavity of the fixing seat, the limiting plate is positioned above the shaft lever, a worm is inserted at the top of the outer wall of the right side of the fixing seat, the left end of the worm is movably connected with the top of the inner wall of the left side of the fixing seat through a bearing, the worm is positioned on the rear side of the lead screw, a worm wheel meshed with the worm is sleeved on the outer, the bottom of the buffer piece is provided with a U-shaped seat, and the U-shaped seat is internally and movably provided with a roller through a rotating shaft.

Further, the bolster include with axostylus axostyle bottom fixed connection's hollow block, hollow block bottom center activity is pegged graft there is the support column, and the welding of support column top has the fly leaf, and the fly leaf activity sets up in the hollow block, hollow block top inner wall evenly is provided with buffer spring one, and buffer spring one bottom and fly leaf top fixed connection, the fixed mounting panel that is provided with in support column bottom, and mounting panel bottom and U-shaped seat top fixed connection, evenly be provided with buffer spring two between mounting panel top and the hollow block bottom.

Further, the outer wall top of the left side and the right side of the shaft lever is fixedly provided with a guide sliding block, the inner wall of the left side and the inner wall of the right side of the fixing seat are provided with guide sliding grooves matched with the guide sliding blocks, and the guide sliding blocks are embedded into the guide sliding grooves.

Further, the side all is fixed about the activity board is provided with the spin, and the side inner wall all is provided with the spout that matches with the spin about the hollow block, and in the spin embedding spout.

Furthermore, the outer wall of the fixing seat is provided with an annular boss, the boss and the fixing seat are of an integrally formed structure, and the boss is provided with an installation screw hole.

Further, the roller comprises a cast iron core wheel and a polyurethane outer wheel, and the polyurethane outer wheel is arranged on the periphery of the cast iron core wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1) when the piano is placed on uneven ground, the roller is locked by the brake mechanism, the worm is driven to rotate by rotating the rotating hand wheel, and the screw is driven to rotate by matching the worm and the turbine, so that the shaft lever moves upwards by matching the screw;

2) the utility model discloses be provided with the bolster, when meetting the unevenness road surface, fly leaf extrusion buffer spring one, mounting panel extrusion buffer spring two carry out elastic buffer through buffer spring one and buffer spring two, reduce the vibration that the piano received when the transportation harm, guarantee to remove the stability of transportation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of the structure a of the present invention.

In the figure: 1. a fixed seat; 2. a shaft lever; 3. a lead screw; 4. a threaded blind hole; 5. a scroll bar; 6. a turbine; 7. rotating a hand wheel; 8. a limiting plate; 9. a buffer member; 91. a hollow block; 92. a movable plate; 93. a first buffer spring; 94. mounting a plate; 95. a second buffer spring; 10. a U-shaped seat; 11. a roller; 12. a brake mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an adjustable piano caster comprises a fixed seat 1 and a brake mechanism 12, the brake mechanism 12 is the prior art, and does not belong to the technical characteristics of the utility model, and is disclosed in the prior art, the brake mechanism 12 in 'CN 201720022217.1' can be adopted, and is not described in detail herein, the bottom of the fixed seat 1 is inserted with a shaft lever 2, the top end of the shaft lever 2 is inserted with a screw 3, and the top end of the screw 3 is movably connected with the inner wall of the top of the fixed seat 1 through a bearing, and the top of the shaft lever 2 is provided with a screw blind hole 4 matched with the screw 3, the screw 3 is matched with the screw blind hole 4 to drive the shaft lever 2 to rotate, the outer wall of the screw 3 is sleeved with a limit plate 8, the upward position of the shaft lever 2 is limited, so that the shaft lever can not contact with a turbine 6 and the like, and the limit plate 8 is fixed in the inner cavity of, and 5 left ends of scroll bar pass through bearing and 1 left side inner wall top swing joint of fixing base, and scroll bar 5 is located 3 rear sides of lead screw, and 3 outer walls of lead screw have cup jointed the turbine 6 of 5 meshing of scroll bar, thereby scroll bar 5 drives turbine 6 and rotates and drive lead screw 3 and rotate, scroll bar 5 and turbine 6 have auto-lock nature simultaneously, adjust back stability height, and turbine 6 and scroll bar 5 all are located limiting plate 8 top, 5 right-hand members of scroll bar pass through screw fixedly connected with and rotate hand wheel 7, and it is right-hand that the hand wheel 7 is located

fixing base

1, 2 bottom fixedly connected with bolster 9 of axostylus axostyle, bolster 9 bottoms are provided with U-shaped seat 10, and there is gyro wheel 11 through pivot movable mounting in the U-shaped seat.

As shown in fig. 2: the buffering piece 9 comprises a hollow block 91 fixedly connected with the bottom end of the shaft rod 2, and can be fixedly installed by screws or bolts, a supporting column is movably inserted in the center of the bottom of the hollow block 91, a movable plate 92 is welded to the top of the supporting column, the movable plate 92 is movably arranged in the hollow block 91, a first buffer spring 93 is uniformly arranged on the inner wall of the top of the hollow block 91, the bottom of the first buffer spring 93 is fixedly connected with the top of the movable plate 92, a mounting plate 94 is fixedly arranged at the bottom of the supporting column, the bottom of the mounting plate 94 is fixedly connected with the top of the U-shaped seat 10, a second buffer spring 95 is uniformly arranged between the top of the mounting plate 94 and the bottom of the hollow block 91, and the first buffer spring 93 and the second buffer spring 95 buffer;

as shown in fig. 1: the top parts of the outer walls of the left side and the right side of the shaft lever 2 are fixedly provided with guide sliding blocks, the inner walls of the left side and the right side of the fixed seat 1 are provided with guide sliding grooves matched with the guide sliding blocks, the guide sliding blocks are embedded into the guide sliding grooves, the cooperation of the guide sliding blocks and the guide sliding grooves is used for limiting the up-and-down moving range of the shaft lever 2, and meanwhile, the shaft lever 2 cannot be driven to rotate by the lead;

as shown in fig. 2: rolling balls are fixedly arranged on the left side and the right side of the movable plate 92, sliding grooves matched with the rolling balls are formed in the inner walls of the left side and the right side of the hollow block 91, and the rolling balls are embedded in the sliding grooves, so that the first buffer spring 93 is uniformly stressed while the movable plate 92 is ensured to move up and down stably;

as shown in fig. 1: the outer wall of the fixed seat 1 is provided with an annular boss, the boss and the fixed seat 1 are of an integrally formed structure, and the boss is provided with an installation screw hole, so that the caster can be conveniently and fixedly installed at a designated position at the bottom of the piano;

as shown in fig. 1: the gyro wheel 11 includes cast iron core wheel and polyurethane foreign steamer, and the polyurethane foreign steamer sets up in the periphery of cast iron core wheel, and cast iron core wheel intensity is high, and the polyurethane foreign steamer wearability is good, and water-fast resistant oily, and this gyro wheel working property is more excellent, and life is longer.

Example (b): four groups of the trundles are arranged at the designated position at the bottom of the piano, when the piano is moved to the designated position and meets uneven road surfaces, the buffer parts 9 are arranged, the buffer springs 93 are extruded through the movable plate 92, the buffer springs 95 are extruded through the mounting plate 94, elastic buffering is carried out through the buffer springs 93 and the buffer springs 95, the damage of the vibration force on the piano in transportation is reduced, after the piano is moved to the designated position and is placed on uneven ground, the rollers 11 are locked through the brake mechanisms 12, the worm 5 is driven to rotate through the rotation of the rotating hand wheel 7, the screw 3 is driven to rotate through the matching of the worm 5 and the turbine 6, so that the shaft rod 2 is moved upwards through the matching of the screw 3, otherwise, the rotating hand wheel 7 is rotated reversely, the shaft rod 2 can move downwards to carry out height adjustment until the piano is placed horizontally.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piano truckle with adjustable, includes fixing base (1) and brake mechanism (12), its characterized in that: the bottom of the fixed seat (1) is spliced with a shaft lever (2), the top end of the shaft lever (2) is spliced with a lead screw (3) in a threaded manner, the top end of the lead screw (3) is movably connected with the inner wall of the top of the fixed seat (1) through a bearing, the top of the shaft lever (2) is provided with a threaded blind hole (4) matched with the lead screw (3), the outer wall of the lead screw (3) is in threaded sleeve connection with a limiting plate (8), the limiting plate (8) is fixed in the inner cavity of the fixed seat (1), the limiting plate (8) is positioned above the shaft lever (2), the top of the outer wall of the right side of the fixed seat (1) is spliced with a worm (5), the left end of the worm (5) is movably connected with the top of the inner wall of the left side of the fixed seat (1) through a bearing, the worm (5) is positioned at the rear side of the lead screw (3), the outer wall of the, scroll bar (5) right-hand member passes through screw fixedly connected with and rotates hand wheel (7), and rotates hand wheel (7) and be located fixing base (1) right-hand, axostylus axostyle (2) bottom fixedly connected with bolster (9), bolster (9) bottom is provided with U-shaped seat (10), and has gyro wheel (11) through pivot movable mounting in U-shaped seat (10).

2. An adjustable piano caster according to claim 1, wherein: buffer member (9) include with axostylus axostyle (2) bottom fixed connection's hollow block (91), hollow block (91) bottom center activity is pegged graft and is had the support column, and the welding of support column top has fly leaf (92), and fly leaf (92) activity sets up in hollow block (91), hollow block (91) top inner wall evenly is provided with buffer spring one (93), and buffer spring one (93) bottom and fly leaf (92) top fixed connection, and the support column bottom is fixed and is provided with mounting panel (94), and mounting panel (94) bottom and U-shaped seat (10) top fixed connection, evenly be provided with buffer spring two (95) between mounting panel (94) top and hollow block (91) bottom.

3. An adjustable piano caster according to claim 1, wherein: the top of the outer wall of the left side and the top of the right side of the shaft rod (2) are fixedly provided with guide sliding blocks, the inner wall of the left side and the inner wall of the right side of the fixing seat (1) are provided with guide sliding grooves matched with the guide sliding blocks, and the guide sliding blocks are embedded into the guide sliding grooves.

4. An adjustable piano caster according to claim 2, wherein: the side all fixedly is provided with the spin about fly leaf (92), and just side inner wall all is provided with the spout that matches with the spin about hollow block (91), and in the spin embedding spout.

5. An adjustable piano caster according to claim 1, wherein: the outer wall of the fixing seat (1) is provided with an annular boss, the boss and the fixing seat (1) are of an integrally formed structure, and the boss is provided with an installation screw hole.

6. An adjustable piano caster according to claim 1, wherein: the roller (11) comprises a cast iron core wheel and a polyurethane outer wheel, and the polyurethane outer wheel is arranged on the periphery of the cast iron core wheel.