CN211929029U

CN211929029U - Adjustable piano truckle

Info

Publication number: CN211929029U
Application number: CN202020494699.2U
Authority: CN
Inventors: 金亦成
Original assignee: Zhejiang Yueyun Piano Co ltd
Current assignee: Zhejiang Yueyun Piano Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses an adjustable piano caster, which comprises a bracket, wherein the lower left corner of the bracket is fixedly connected with a main shaft, the main shaft is movably connected with a roller through a bearing, and the right end of the bracket is provided with a rotating mechanism; the cylinder and support clearance fit, cylindrical top and baffle looks rigid coupling, the lower surface of baffle and the lower surface of first clamp plate laminate mutually and the rigid coupling, cylindrical bottom and chock looks rigid coupling, the chock cup joints mutually with the second clamp plate, the upper surface and the cylindrical lower surface of second clamp plate laminate mutually and the rigid coupling, evenly install a plurality of balls between first clamp plate and the support, equally evenly install a plurality of balls between second clamp plate and the support. This adjustable piano truckle can effectively realize the regulation of height, and only can realize altitude mixture control through hexagonal spanner, compares in prior art, the regulation degree of difficulty of very big reduction to improve the practicality, the facilitate promotion.

Description

Adjustable piano truckle

Technical Field

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

Background

The caster comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm. The caster wheel for the piano becomes the piano caster wheel, and the unable height-adjusting of current piano caster wheel, or height-adjusting is comparatively loaded down with trivial details, leads to the function of height-adjusting to be used or neglected seldom to lead to the practicality to hang down on the side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable piano truckle to solve the unable height-adjusting of current piano truckle that proposes in the above-mentioned background art, or height-adjusting is comparatively loaded down with trivial details, leads to height-adjusting's function to be used or neglected very little, thereby leads to the problem that the practicality is low on the side.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable piano caster comprises a bracket, wherein the lower left corner of the bracket is fixedly connected with a main shaft, the main shaft is movably connected with a roller through a bearing, and the right end of the bracket is provided with a rotating mechanism;

the rotating mechanism comprises a cylinder, a baffle, a first pressure plate, a chock block and a second pressure plate;

the cylinder and support clearance fit, cylindrical top and baffle looks rigid coupling, the lower surface of baffle and the lower surface of first clamp plate laminate mutually and the rigid coupling, cylindrical bottom and chock looks rigid coupling, the chock cup joints mutually with the second clamp plate, the upper surface and the cylindrical lower surface of second clamp plate laminate mutually and the rigid coupling, evenly install a plurality of balls between first clamp plate and the support, equally evenly install a plurality of balls between second clamp plate and the support.

Preferably, the upper surface of the baffle is provided with a lifting mechanism;

the lifting mechanism comprises a connecting column, a sliding sleeve, a threaded rod and a first gear;

the spliced pole cup joints mutually with the sliding sleeve, the spliced pole links to each other with the threaded rod screw thread, the top of threaded rod passes through bearing and sliding sleeve activity and links to each other, the outer wall top rigid coupling of threaded rod has first gear, first gear passes through the bearing and slides with the sliding sleeve and links to each other.

Preferably, the right end of the sliding sleeve is provided with a control mechanism;

the control mechanism comprises a first connecting shaft, a second gear, a second connecting shaft and a third gear;

the middle position of the outer wall of the first connecting shaft is movably connected with the sliding sleeve through a bearing, the left end of the first connecting shaft is fixedly connected with the second gear, the top end of the second gear is meshed with the bottom end of the third gear, the third gear is in clearance fit with the second connecting shaft, the top end of the third gear is meshed with the right end of the first gear, and the right end of the first connecting shaft penetrates through the sliding sleeve and is fixedly connected with the rotating block.

Preferably, the cross section of the connecting column is rectangular.

Preferably, the gap between the connecting column and the sliding sleeve is 0.1-0.15 mm.

Preferably, the outer wall of the rotating block is hexagonal, and the right end of the rotating block is provided with an inner hexagonal hole.

Compared with the prior art, the beneficial effects of the utility model are that: this adjustable piano truckle can effectively realize the regulation of height, and only can realize altitude mixture control through hexagonal spanner, compares in prior art, the regulation degree of difficulty of very big reduction to improve the practicality, the facilitate promotion specifically as follows:

the normal work of the caster is realized through the matching of the bracket, the roller, the main shaft, the cylinder, the ball, the baffle, the first pressing plate, the chock block and the second pressing plate;

the height of the whole mechanism is adjusted by matching the connecting column, the sliding sleeve, the threaded rod and the first gear;

through the cooperation of commentaries on classics piece, first connecting axle, second gear, second connecting axle and third gear, realize the control to elevating system.

Drawings

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

FIG. 2 is a schematic view of the cylinder and plug arrangement of FIG. 1;

FIG. 3 is an enlarged schematic view of the control mechanism of FIG. 1;

fig. 4 is a schematic perspective view of the rotary block of fig. 1.

In the figure: 1. support, 2, gyro wheel, 3, main shaft, 4, slewing mechanism, 401, cylinder, 402, baffle, 403, first clamp plate, 404, chock, 405, second clamp plate, 5, ball, 6, elevating system, 601, spliced pole, 602, sliding sleeve, 603, threaded rod, 604, first gear, 7, control mechanism, 701, first connecting axle, 702, second gear, 703, third gear, 704, second connecting axle, 8, commentaries on classics piece.

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. 1-4, the present invention provides a technical solution: an adjustable piano caster comprises a bracket 1, wherein the lower left corner of the bracket 1 is fixedly connected with a main shaft 3, the main shaft 3 is movably connected with a roller 2 through a bearing, and the right end of the bracket 1 is provided with a rotating mechanism 4; the rotating mechanism 4 includes a cylinder 401, a baffle 402, a first pressing plate 403, a stopper 404, and a second pressing plate 405; cylinder 401 and support 1 clearance fit, cylinder 401's top and baffle 402 looks rigid coupling, baffle 402's lower surface laminates and the rigid coupling with the lower surface of first clamp plate 403 mutually, cylinder 401's bottom and chock 404 looks rigid coupling, chock 404 cup joints with second clamp plate 405 mutually, the upper surface of second clamp plate 405 laminates and the rigid coupling with cylinder 401's lower surface mutually, evenly install a plurality of balls 5 between first clamp plate 403 and the support 1, evenly install a plurality of balls 5 between second clamp plate 405 and the support 1 equally. The upper surface of the baffle 402 is provided with a lifting mechanism 6; the lifting mechanism 6 comprises a connecting column 601, a sliding sleeve 602, a threaded rod 603 and a first gear 604; the connecting column 601 is sleeved with the sliding sleeve 602, the connecting column 601 is in threaded connection with the threaded rod 603, the top end of the threaded rod 603 is movably connected with the sliding sleeve 602 through a bearing, the top end of the outer wall of the threaded rod 603 is fixedly connected with a first gear 604, and the first gear 604 is in sliding connection with the sliding sleeve 602 through a bearing. A plurality of balls 5 ensure a stable movement of the carriage 1.

The right end of the sliding sleeve 602 is provided with a control mechanism 7; the control mechanism 7 includes a first connecting shaft 701, a second gear 702, a third gear 703 and a second connecting shaft 704; the middle position of the outer wall of the first connecting shaft 701 is movably connected with the sliding sleeve 602 through a bearing, the left end of the first connecting shaft 701 is fixedly connected with the second gear 702, the top end of the second gear 702 is meshed with the bottom end of the second connecting shaft 704, the second connecting shaft 704 is in clearance fit with the third gear 703, the top end of the second connecting shaft 704 is meshed with the right end of the first gear 604, and the right end of the first connecting shaft 701 penetrates through the sliding sleeve 602 and is fixedly connected with the rotating block 8. The cross section of the connecting column 601 is rectangular. The clearance between the connecting column 601 and the sliding sleeve 602 is 0.1 mm-0.15 mm. The outer wall of the rotating block 8 is hexagonal, and the right end of the rotating block 8 is arranged in the hexagon socket. The first connecting shaft 701 can be driven to rotate by the hexagonal wrench, so that the second gear 702 is driven to rotate, the second connecting shaft 704 is driven to rotate, and the first gear 604 is driven to rotate.

The top through sliding sleeve 602 is connected with the bottom of the supporting leg of the piano, when height adjustment is needed, the rotating block 8 is rotated through a hexagonal wrench, so as to drive the first connecting shaft 701 to rotate, thereby enabling the second gear 702 to rotate, enabling the third gear 703 to rotate by taking the second connecting shaft 704 as a shaft, and further driving the first gear 604 to rotate, when the first gear 604 rotates, the traction threaded rod 603 rotates, enabling the connecting column 601 to move downwards or upwards under the action of the thread, thereby enabling the connecting column 601 to slide in the sliding sleeve 602, and further achieving adjustment of the overall height.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. An adjustable piano caster, its characterized in that: the device comprises a bracket (1), wherein the lower left corner of the bracket (1) is fixedly connected with a main shaft (3), the main shaft (3) is movably connected with a roller (2) through a bearing, and the right end of the bracket (1) is provided with a rotating mechanism (4);

the rotating mechanism (4) comprises a cylinder (401), a baffle (402), a first pressure plate (403), a chock block (404) and a second pressure plate (405);

cylinder (401) and support (1) clearance fit, the top and baffle (402) looks rigid coupling of cylinder (401), the lower surface of baffle (402) laminates and the rigid coupling mutually with the lower surface of first clamp plate (403), the bottom and chock (404) looks rigid coupling of cylinder (401), chock (404) cup joints mutually with second clamp plate (405), the upper surface of second clamp plate (405) laminates and the rigid coupling mutually with the lower surface of cylinder (401), evenly install a plurality of balls (5) between first clamp plate (403) and support (1), equally evenly install a plurality of balls (5) between second clamp plate (405) and support (1).

2. An adjustable piano caster according to claim 1, wherein: the upper surface of the baffle (402) is provided with a lifting mechanism (6);

the lifting mechanism (6) comprises a connecting column (601), a sliding sleeve (602), a threaded rod (603) and a first gear (604);

the utility model discloses a portable electronic device, including spliced pole (601), threaded rod (603), connecting pole (601) and sliding sleeve (602) cup joint mutually, spliced pole (601) and threaded rod (603) threaded connection, the top of threaded rod (603) passes through the bearing and links to each other with sliding sleeve (602) activity, the outer wall top rigid coupling of threaded rod (603) has first gear (604), first gear (604) pass through the bearing and slide sleeve (602) and slide and link to each other.

3. An adjustable piano caster according to claim 2, wherein: the right end of the sliding sleeve (602) is provided with a control mechanism (7);

the control mechanism (7) comprises a first connecting shaft (701), a second gear (702), a third gear (703) and a second connecting shaft (704);

the outer wall intermediate position of first connecting axle (701) passes through the bearing and links to each other with sliding sleeve (602) activity, the left end and the second gear (702) looks rigid coupling of first connecting axle (701), the top of second gear (702) meshes with the bottom of second connecting axle (704) mutually, second connecting axle (704) and third gear (703) clearance fit, the top of second connecting axle (704) meshes with the right-hand member of first gear (604) mutually, the right-hand member of first connecting axle (701) runs through sliding sleeve (602) and commentaries on classics piece (8) looks rigid coupling.

4. An adjustable piano caster according to claim 2, wherein: the cross section of the connecting column (601) is rectangular.

5. An adjustable piano caster according to claim 2, wherein: the clearance between the connecting column (601) and the sliding sleeve (602) is 0.1-0.15 mm.

6. An adjustable piano caster according to claim 3, wherein: the outer wall of the rotating block (8) is hexagonal, and the right end of the rotating block (8) is arranged in the hexagon socket.