CN211350083U

CN211350083U - Digital piano convenient to height-adjusting

Info

Publication number: CN211350083U
Application number: CN201922005378.1U
Authority: CN
Inventors: 范家余
Original assignee: Jinjiang Hexiansheng Electronic Technology Co ltd
Current assignee: Jinjiang Hexiansheng Electronic Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-25
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a digital piano convenient to height-adjusting, including the musical instrument leg, be equipped with the slot in the musical instrument leg, it is connected with the screw rod to rotate on the tip lateral wall in the slot, fixed cover is equipped with the gear on the screw rod, be equipped with the worm with gear engaged with in the slot, the one end and the slot inside wall of worm rotate to be connected, be equipped with on the lateral wall of musical instrument leg with the communicating through-hole of slot, the other end of worm runs through-hole and fixedly connected with carousel, it is equipped with the spliced pole to slide in the slot and insert, the lower extreme of screw rod extends to in the spliced pole, be threaded connection between screw rod and the spliced pole, the equal fixedly connected with slider in both sides of spliced pole, be equipped. The utility model discloses an adjustment mechanism's setting only needs to rotate the carousel and can adjust according to the topography, and easy operation, convenient to use accord with present social user demand.

Description

Digital piano convenient to height-adjusting

Technical Field

The utility model relates to a piano technical field especially relates to a digital piano convenient to height-adjusting.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. The piano is a playing musical instrument with larger volume and heavier weight, and the piano is completely realized by castors arranged at the bottom, and once the piano is moved to a placing position, the piano does not move any more, and the piano is required to be stably positioned at the placing position.

When the ground is not very level, need constantly to remove the piano, until finding level position, waste time and energy, do not accord with modern society user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that when the ground is not very smooth, the piano is required to be continuously moved until finding a smooth position, thereby wasting time and energy, being not in accordance with the use requirements of modern society, and providing a digital piano convenient for height adjustment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a digital piano convenient for height adjustment comprises legs, slots are arranged in the legs, screw rods are rotatably connected on the side walls of the top ends of the slots, a gear is fixedly sleeved on the screw rod, a worm meshed with the gear is arranged in the slot, one end of the worm is rotationally connected with the inner side wall of the slot, the outer side wall of the piano leg is provided with a through hole communicated with the slot, the other end of the worm penetrates through the through hole and is fixedly connected with a turntable, a connecting column is inserted in the slot in a sliding manner, the lower end of the screw rod extends into the connecting column, the screw rod is in threaded connection with the connecting column, the two sides of the connecting column are fixedly connected with sliding blocks, the inner side wall of the slot is provided with a sliding chute corresponding to the sliding blocks, one end, far away from the connecting column, of the sliding block extends into the sliding groove, a supporting block is arranged at the lower end of each piano leg, and the lower end of the connecting column penetrates through the inserting groove and is fixedly connected with the upper end of the supporting block.

Preferably, a groove is formed in the side wall of the sliding block, a ball is arranged in the groove, and the ball abuts against the inner side wall of the sliding groove.

Preferably, the lower ends of the legs are slidably inserted with slide bars, and the lower ends of the slide bars penetrate through the legs and are fixedly connected with the upper ends of the supporting blocks.

Preferably, the worm is fixedly sleeved with a bearing, and the bearing is fixedly connected in the through hole.

Preferably, the outer side wall of the piano leg is rotatably connected with an L-shaped clamping rod, a clamping hole corresponding to the L-shaped clamping rod is formed in the side wall of the rotary table, the lower end of the L-shaped clamping rod extends into the clamping hole, and a spring is fixedly connected between the L-shaped clamping rod and the piano leg.

Preferably, the lower end of the supporting block is fixedly connected with a rubber pad.

Has the advantages that:

1. when the height of the piano legs is adjusted according to the terrain, the turntable is firstly rotated to drive the worm to rotate, the worm drives the screw rod to rotate through the action of meshing with the gear, the screw rod drives the connecting column to move through the action of thread meshing, the connecting column can be prevented from rotating through the slider, meanwhile, the stability of the connecting column during moving is improved, and the supporting block is driven through the connecting column, so that the height adjustment of the piano legs is realized, and therefore, the height adjustment is carried out corresponding to different terrains;

2. through the setting of ball, can reduce the resistance when the slider removes, through the setting of slide bar, can improve the stability of supporting shoe, through the setting of bearing, stability when can strengthening the worm rotation through the setting of L type kelly and spring, can fix the position of carousel, prevent that the carousel from becoming flexible, through the setting of rubber pad, can improve the frictional force between supporting shoe and the ground, reinforcing overall stability.

Drawings

Fig. 1 is a schematic structural view of a digital piano convenient for height adjustment according to the present invention;

fig. 2 is a schematic diagram of a structure at a position a of the digital piano convenient for height adjustment according to the present invention;

fig. 3 is the utility model provides a digital piano's B department schematic structure convenient to height-adjusting.

In the figure: 1-supporting block, 2-sliding rod, 3-sliding block, 4-piano leg, 5-rotary table, 6-bearing, 7-gear, 8-worm, 9-screw, 10-connecting column, 11-rubber pad, 12-spring, 13-L-shaped clamping rod and 14-ball.

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.

Referring to fig. 1-3, a digital piano convenient for height adjustment comprises a leg 4, a slot is arranged in the leg 4, a screw 9 is rotatably connected to the side wall of the top end in the slot for driving a connecting post 10, a gear 7 is fixedly sleeved on the screw 9 for driving the screw 9, a worm 8 meshed with the gear 7 is arranged in the slot for driving the gear 7, one end of the worm 8 is rotatably connected with the inner side wall of the slot, a through hole communicated with the slot is arranged on the outer side wall of the leg 4, the other end of the worm 8 penetrates through the through hole and is fixedly connected with a turntable 5 for driving the worm 8, a connecting post 10 is slidably inserted in the slot for driving a supporting block 1, the lower end of the screw 9 extends into the connecting post 10, the screw 9 is in threaded connection with the connecting post 10, sliders 3 are fixedly connected to both sides of the connecting post 10 for preventing the connecting post 10 from rotating, one end of the slider 3, which is far away from the connecting column 10, extends into the chute, the lower end of the piano leg 4 is provided with a supporting block 1 for supporting the piano leg 4, and the lower end of the connecting column 10 penetrates through the slot and is fixedly connected with the upper end of the supporting block 1.

In this embodiment, a groove is formed on the side wall of the slider 3, a ball 14 is arranged in the groove, the ball 14 abuts against the inner side wall of the sliding groove to reduce the resistance when the slider 3 moves, a sliding rod 2 is slidably inserted into the lower end of the leg 4, the lower end of the sliding rod 2 penetrates through the leg 4 and is fixedly connected with the upper end of the supporting block 1 to improve the stability of the supporting block 1, a bearing 6 is fixedly sleeved on the worm 8, the bearing 6 is fixedly connected in the through hole to enhance the stability when the worm 8 rotates, an L-shaped clamping rod 13 is rotatably connected on the outer side wall of the leg 4, a clamping hole corresponding to the L-shaped clamping rod 13 is formed on the side wall of the rotary table 5, the lower end of the L-shaped clamping rod 13 extends into the clamping hole, a spring 12 is fixedly connected between the L-shaped clamping rod 13 and the leg 4 to fix the position of the rotary table 5 to prevent, the friction force between the supporting block 1 and the ground is improved, and the overall stability is enhanced.

In this embodiment, when according to the height of topography adjustment musical instrument leg 4, rotate earlier carousel 5 and drive worm 8 and rotate, worm 8 drives screw rod 9 through the effect with gear 7 meshing and rotates, screw rod 9 drives spliced pole 10 through thread engagement's effect and removes, can prevent through slider 3 that spliced pole 10 from rotating, stability when improving spliced pole 10 simultaneously and removing, drive supporting shoe 1 through spliced pole 10, realize musical instrument leg 4's altitude mixture control, thereby it adjusts to correspond different topography, the utility model discloses an adjustment mechanism's setting only needs to rotate the carousel and can adjust according to the topography, easy operation, convenient to use, accords with present social user demand.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a digital piano convenient to height-adjusting, includes musical instrument leg (4), its characterized in that: the musical instrument is characterized in that a slot is arranged in the musical instrument leg (4), a screw rod (9) is connected to the side wall of the top end in the slot in a rotating manner, a gear (7) is fixedly arranged on the screw rod (9), a worm (8) meshed with the gear (7) is arranged in the slot, one end of the worm (8) is connected with the inner side wall of the slot in a rotating manner, a through hole communicated with the slot is formed in the outer side wall of the musical instrument leg (4), the other end of the worm (8) penetrates through the through hole and is fixedly connected with a turntable (5), a connecting column (10) is inserted in the slot in a sliding manner, the lower end of the screw rod (9) extends into the connecting column (10), the screw rod (9) is in threaded connection with the connecting column (10), sliders (3) are fixedly connected to the two sides of the connecting column (10), a sliding chute corresponding to the slider (3) is formed in, the lower end of the piano leg (4) is provided with a supporting block (1), and the lower end of the connecting column (10) penetrates through the slot and is fixedly connected with the upper end of the supporting block (1).

2. The digital piano of claim 1, wherein: the side wall of the sliding block (3) is provided with a groove, a ball (14) is arranged in the groove, and the ball (14) is abutted to the inner side wall of the sliding groove.

3. The digital piano of claim 1, wherein: the lower end of the piano leg (4) is inserted with a sliding rod (2) in a sliding manner, and the lower end of the sliding rod (2) penetrates through the piano leg (4) and is fixedly connected with the upper end of the supporting block (1).

4. The digital piano of claim 1, wherein: the worm (8) is fixedly sleeved with a bearing (6), and the bearing (6) is fixedly connected in the through hole.

5. The digital piano of claim 1, wherein: rotate on the lateral wall of musical instrument leg (4) and be connected with L type kelly (13), be equipped with the card hole corresponding with L type kelly (13) on the lateral wall of carousel (5), the lower extreme of L type kelly (13) extends to in the card hole, fixedly connected with spring (12) between L type kelly (13) and musical instrument leg (4).

6. The digital piano of claim 1, wherein: the lower end of the supporting block (1) is fixedly connected with a rubber pad (11).