CN216042899U

CN216042899U - Portable piano room

Info

Publication number: CN216042899U
Application number: CN202122422326.1U
Authority: CN
Inventors: 纪毛峰
Original assignee: Guangzhou Jiazhihao Metal Products Co ltd
Current assignee: Guangzhou Jiazhihao Metal Products Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-15
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a movable piano room, which relates to the field of piano equipment and comprises a movable room body and a base, wherein the base is fixedly connected to the bottom of the movable room body, a movable hole A and a movable hole B are formed in the lower surface of the movable room body, a movable cavity is formed in the movable hole A and is mutually communicated with the movable hole B, a movable rod A is interactively connected in the movable hole A, a disc seat is fixed at the bottom end of the movable rod A, a threaded hole is formed in the top of the movable rod A, a threaded rod is connected with the internal thread of the threaded hole in a threaded manner, the top of the threaded rod penetrates through the base and extends to the upper surface of the base to be rotatably connected with the base, a bevel gear A is fixedly sleeved on the top end surface of the threaded rod, and a bevel gear B is meshed on the surface of the bevel gear A. Through setting up activity chamber, movable rod A, movable rod B, squeeze bar and threaded rod, reached and to contract the universal wheel to through the area of contact of disc seat increase and ground, thereby make the room body of removal support stable effect.

Description

Portable piano room

Technical Field

The utility model relates to piano equipment, in particular to a movable piano room.

Background

The movable piano room is characterized in that a piano is placed in a movable box body, the box body forms a closed room, the piano in the movable piano room can be played and learned by people, and the piano room can be arranged in shopping malls, literature and art places, entertainment places and the like.

Present removal structure of removing the piano room is unstable, generally fixes removing the piano room through the locking to the universal wheel to prevent to remove the removal of piano room, because the area of universal wheel itself and ground contact is little, lead to removing the support of piano room stable inadequately.

Disclosure of Invention

The utility model aims to solve the problem that the existing mobile piano room is generally fixed by locking universal wheels, and the support of the mobile piano room is not stable enough due to the fact that the contact area of the universal wheels and the ground is not large.

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

a movable piano room comprises a movable room body and a base, wherein the base is fixedly connected to the bottom of the movable room body, a movable hole A and a movable hole B are formed in the lower surface of the movable room body, a movable cavity is formed in the movable hole A and is communicated with the movable hole B, a movable rod A is interactively connected in the movable hole A, a disc seat is fixed at the bottom end of the movable rod A, a threaded hole is formed in the top of the movable rod A, a threaded rod is connected in the threaded hole in a threaded manner, the top of the threaded rod penetrates through the base and extends to the upper surface of the base to be rotatably connected with the base, a bevel gear A is fixedly sleeved on the top end surface of the threaded rod, a bevel gear B is meshed on the surface of the bevel gear A, a remote rod is fixed in the bevel gear B, the other end of the remote rod penetrates through the movable room body and extends to the surface of the remote rod at the side position of the movable room body to be rotatably connected with the movable room body, the inside rotation in activity chamber is connected with the stripper bar, the position department that the surface of threaded rod corresponds the stripper bar is provided with the lug, lug swing joint is at the upper surface of stripper bar, the through-hole has been seted up to the position that the surface of stripper bar corresponds the threaded rod, the threaded rod is then swing joint in the inside of through-hole, the inside swing joint of activity hole B has movable rod B, movable rod B's bottom mounting has the universal wheel, the surface that the movable rod is located activity intracavity portion is provided with stopper and spring respectively, the fixed top end face position at movable rod B of cup jointing of stopper, the spring activity cup joints the surface at movable rod B, the top of spring and the lower surface swing joint of stopper, the lower surface of spring and the bottom swing joint of activity intracavity wall.

Preferably: and a protective pipe is movably sleeved on the surface of the remote rod far away from the bevel gear B.

Preferably: the vertical axis of the rotating position in the middle of the extrusion rod is superposed with the vertical symmetry axis of the movable cavity.

Preferably: the shapes of the movable holes A and the movable holes B are square, and the shapes and the sizes of the movable rods A and the movable rods B are matched with those of the movable holes A and the movable holes B.

Preferably: and a protrusion is arranged on the surface of the threaded rod and close to the top of the inner wall of the movable cavity.

Due to the adoption of the technical scheme, the utility model has the following advantages:

by arranging the movable cavity, the movable rod A, the movable rod B, the extrusion rod and the threaded rod, when a movable house body needs to be moved, the remote rods at four corner positions are manually rotated, the remote rods rotate to drive the threaded rod to rotate through the bevel gear B and the bevel gear A, the threaded rod rotates to drive the movable rod A to move upwards in the movable hole A, the movable rod A moving upwards abuts against one end of the extrusion rod, one end of the extrusion rod rotates upwards, the other end of the extrusion rod can rotate downwards, so that the extrusion rod extrudes the movable rod B, the movable rod B moves downwards under the extrusion condition to eject the universal wheel downwards, so that the remote rods move through the universal wheel and rotate reversely when supporting is needed, the remote rods rotate reversely, the reverse rotation of the remote rods drives the threaded rod to rotate reversely through the bevel gear B and the bevel gear A, the threaded rod drives the movable rod A to move downwards in the movable hole A in a reverse motion manner, thereby make the lug extrusion pole on the threaded rod, make the one end of extrusion pole remove downwards and extrude movable rod A, movable rod A removes downwards ejecting with the disc seat to carry out the stable stay to removing the room body through the disc seat, reached and contract the universal wheel, and through the area of contact of disc seat increase and ground, thereby make the room body of removing support stable effect.

Drawings

Fig. 1 is a schematic front view of a movable piano room.

Fig. 2 is a front sectional view of a movable lever a in a movable piano room.

Fig. 3 is a schematic view of a structure at a in fig. 2 in a portable piano room.

Fig. 4 is a sectional view of the movable hole a in the movable piano room from the bottom.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a movable piano room includes a movable room body 1 and a base 2, the base 2 is fixedly connected to the bottom of the movable room body 1, a movable hole A3 and a movable hole B4 are formed on the lower surface of the movable room body 1, a movable cavity 5 is formed inside a movable hole A3, the movable cavity 5 is communicated with a movable hole B4, a movable rod A6 is interactively connected inside the movable hole A3, the movable hole A3 and the movable hole B4 are square, the movable rod A6 and the movable rod B16 are matched with the movable hole A3 and the movable hole B4 in shape and size, so as to prevent the movable rod A6 and the movable rod B16 from rotating inside the movable hole A3 and the movable hole B4, a disc seat 7 is fixed at the bottom end of the movable rod A6, a threaded hole A6 is formed at the top, a threaded hole is connected to the threaded hole a 9, and a protrusion is arranged on the surface of the threaded rod B6335 near the top of the movable rod cavity, the threaded rod 9 is not easy to move upwards, the stability of the threaded rod 9 is enhanced, the top of the threaded rod 9 penetrates through the base 2 and extends to the upper surface of the base 2 to be connected with the base 2 in a rotating mode, a bevel gear A10 is fixedly sleeved on the top end face of the threaded rod 9, a bevel gear B11 is meshed on the surface of a bevel gear A10, a remote rod 12 is fixed inside the bevel gear B11, a protective pipe is movably sleeved on the surface of the remote rod 12, which is far away from the bevel gear B11, abrasion to hands during hand cranking is avoided, the hands are injured, the other end of the remote rod 12 penetrates through the movable house body 1 and extends to the side position of the movable house body 1, the surface of the remote rod 12 is rotatably connected with the movable house body 1, an extrusion rod 13 is rotatably connected inside the movable chamber 5, the vertical axis of the rotating position in the middle of the extrusion rod 13 is overlapped with the vertical symmetrical axis of the movable chamber 5, the two ends of the extrusion rod 13 are balanced, a bump 14 is arranged on the surface of the threaded rod 9 corresponding to the extrusion rod 13, lug 14 swing joint is at the upper surface of stripper bar 13, through-hole 15 has been seted up to the position of the surperficial corresponding threaded rod 9 of stripper bar 13, threaded rod 9 then swing joint is in the inside of through-hole 15, the inside swing joint of activity hole B4 has activity pole B16, the bottom mounting of activity pole B16 has universal wheel 17, the surface that the activity pole is located activity chamber 5 inside is provided with stopper 18 and spring 19 respectively, stopper 18 is fixed cup joints the top end face position at activity pole B16, the surface at activity pole B16 is cup jointed in the activity of spring 19, spring 19's top and stopper 18's lower surface swing joint, spring 19's lower surface and the bottom swing joint of activity chamber 5 inner wall.

Claims

1. A movable piano room comprises a movable room body (1) and a base (2), and is characterized in that the base (2) is fixedly connected to the bottom of the movable room body (1), a movable hole A (3) and a movable hole B (4) are formed in the lower surface of the movable room body (1), a movable cavity (5) is formed in the movable hole A (3), the movable cavity (5) is communicated with the movable hole B (4), a movable rod A (6) is interactively connected to the inside of the movable hole A (3), a disc seat (7) is fixed at the bottom end of the movable rod A (6), a threaded hole (8) is formed in the top of the movable rod A (6), a threaded rod (9) is connected to the inner thread of the threaded hole (8), the top of the threaded rod (9) penetrates through the base (2) and extends to the upper surface of the base (2) to be rotatably connected with the base (2), a bevel gear A (10) is fixedly sleeved on the top end surface of the threaded rod (9), the surface of the bevel gear A (10) is engaged with a bevel gear B (11), a remote rod (12) is fixed inside the bevel gear B (11), the other end of the remote rod (12) penetrates through the movable house body (1) and extends to the side surface of the movable house body (1) to be rotatably connected with the movable house body (1), an extrusion rod (13) is rotatably connected inside the movable cavity (5), a convex block (14) is arranged at the position, corresponding to the extrusion rod (13), of the surface of the threaded rod (9), the convex block (14) is movably connected to the upper surface of the extrusion rod (13), a through hole (15) is formed in the position, corresponding to the threaded rod (9), of the surface of the extrusion rod (13), the threaded rod (9) is movably connected inside the through hole (15), a movable rod B (16) is movably connected inside the movable hole B (4), and a universal wheel (17) is fixed at the bottom end of the movable rod B (16), the surface that the movable rod is located movable chamber (5) inside is provided with stopper (18) and spring (19) respectively, stopper (18) are fixed cup joints in the top terminal surface position of movable rod B (16), and the surface at movable rod B (16) is cup jointed in the activity of spring (19), the top of spring (19) and the lower surface swing joint of stopper (18), the lower surface of spring (19) and the bottom swing joint of activity chamber (5) inner wall.

2. The portable piano room according to claim 1, wherein a guard pipe is movably sleeved on the surface of the remote lever (12) far away from the bevel gear B (11).

3. A mobile piano room according to claim 1, wherein the vertical axis of the rotation position in the middle of the squeeze lever (13) coincides with the vertical symmetry axis of the active cavity (5).

4. A portable piano room as claimed in claim 1, wherein the shape of the movable holes a (3) and B (4) is square, and the shape and size of the movable rods a (6) and B (16) match those of the movable holes a (3) and B (4).

5. A mobile piano room as claimed in claim 1, wherein the surface of the threaded rod (9) is provided with a protrusion near the top of the inner wall of the active cavity (5).