CN202976789U

CN202976789U - Lifting piano rack

Info

Publication number: CN202976789U
Application number: CN 201220700130
Authority: CN
Inventors: 张英; 吴王斌; 王银银
Original assignee: NINGBO JOY INDUSTRY DESIGN Co Ltd
Current assignee: NINGBO JOY INDUSTRY DESIGN Co Ltd
Priority date: 2012-12-18
Filing date: 2012-12-18
Publication date: 2013-06-05
Anticipated expiration: 2022-12-18

Abstract

The utility model discloses a lifting piano rack which comprises an upper seat body and a supporting vertical pipe used for being connected with and supporting the upper seat body, wherein a lifting adjusting button, an adjusting spring and a stretching rod are arranged on the upper seat body; the bottom end of the stretching rod is provided with a telescopic ring; a supporting outer upper pipe and a supporting outer lower pipe are connected together through an upper locking pipe fitting and a locking ring; a shrinkage ring and a shrinkage body are arranged in the supporting outer upper pipe; the inner inclined surface of the shrinkage ring is matched with the outer inclined surface of the shrinkage body; when the height of the piano rack is adjusted, the locking ring is loosened, the lifting adjusting button is pressed down, and the inner inclined surface of the shrinkage ring and the outer inclined surface of the shrinkage body are pressed in a matching mode, so that the size of the shrinkage body is shrunk so as to be arranged in the outer lower pipe, after the piano rack is downwards moved to an automatic fixing position behind a positioning step of the stepped pipe, the lifting adjusting button is loosened, the stretching rod drives the shrinkage ring to move upwards under the action of the adjusting spring, the inner friction force between the periphery of the shrinkage body and the wall of the supporting outer upper pipe is increased, and the height position of the piano rack is fixed by screwing the locking ring; and moreover, the height of the piano rack can be timely, freely and flexibly adjusted.

Description

A kind of lifting piano frame

Technical field

The utility model relates to a kind of piano member, especially relates to the piano frame of a kind of use on piano.

Background technology

Along with improving constantly of living standard, piano has been no longer the equipment that special place just has, and is had by a lot of families; And existing piano frame is generally the three-chip type square tube and contact fixed sturcture with ground, and existence highly can not be adjusted, and perhaps adjusts complex structure and other problems.

The utility model content

The utility model exists height and can not adjust for solving existing piano frame, perhaps adjust the present situation such as complex structure and provide a kind ofly can according to actual operating position, freely adjust use lifting piano frame highly.

the utility model is to solve the problems of the technologies described above the concrete technical scheme that adopts to be: a kind of lifting piano frame, comprise upper pedestal and the Supporting vertical tube that is connected connecting and supporting upper pedestal, upper pedestal is provided with for the upper support pipe that supports piano, it is characterized in that: upper pedestal is provided with the lift adjustment button, adjusts spring and stretching bar, and stretching bar bottom is provided with shrink-ring, described Supporting vertical tube comprises the outside upper pipe of support and supports outside lower pipe, support outside upper pipe and support between the link of outside lower pipe and link together by upper locking pipe fitting and clamp ring, support in outside upper pipe pipe and be provided with shrink-ring and liquid shrinkable, in shrink-ring, the inclined-plane matches with inclined-plane outside liquid shrinkable, supports in outside lower pipe and is provided with the step pipe, when adjusting piano frame height, unclamp clamp ring, supporting outside upper pipe and support outside lower pipe can be freely movable, press the lift adjustment button, in shrink-ring, the inclined-plane coordinates compression in the inclined-plane outward with liquid shrinkable, make the liquid shrinkable dimensional contraction to putting in outside lower pipe, after the piano frame moves down into after the positioning step of step pipe automatically the fixed position, unclamp the lift adjustment button, the stretching bar drives shrink-ring and moves up under the effect of adjusting spring, liquid shrinkable is not stressed, increase liquid shrinkable periphery and the tube wall internal friction that supports outside upper pipe, tighten fixedly piano frame height and position of clamp ring.Can reach the operating position according to user's actual needs, in time freedom and flexibility are adjusted the height of piano frame, and adjusting operation is simple, convenient, fast.

As preferably, described upper locking pipe fitting lower end is provided with external thread, and clamp ring upper end inwall is provided with the internal thread that matches with the external thread of upper locking pipe fitting.The screw-threaded coupling operation, convenient and swift, flexibly freely.

As preferably, described upper pedestal is provided with flap, is provided with the adjustment spring in upper flap, and the seat of honour covers and is provided with the button perforate, is provided with the adjustment button in the button perforate.Improve and adjust convenience and the dirigibility of handling.

As preferably, described step pipe has 2 sections to top bar.Improve stratum and the quick altitude location effect of adjusting height.

As preferably, described upper pedestal bottom is connected with stationary pipes, and the stretching bar is located in stationary pipes.Improve the interlock effect of height control.

As preferably, described shrink-ring lower end is provided with fluting, and the liquid shrinkable upper end is provided with positioning body, and positioning body is located in the fluting of shrink-ring.Improve the assembling and positioning accuracy between liquid shrinkable and shrink-ring, prevent from breaking away from.

As preferably, described upper support pipe and the pluggable installation of upper pedestal link together.When improving adjustable height adjustment degree of freedom, improve the convenience of folding storage, the packing, collection, the transportation that reduce product take up room.

As preferably, the external end head of described upper support pipe is provided with rubber blanket.Buffering, the damping effect of raising to piano has the effect of increasing friction force simultaneously, the generation of the obscission that better prevents from slipping away.

The beneficial effects of the utility model are: can reach the operating position according to user's actual needs, in time freedom and flexibility are adjusted the adjustable height of piano frame, reach best use state effect, and adjusting operation is simple, convenient, fast.

Description of drawings:

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Fig. 1 is the structural representation of the preferred implementation of the utility model lifting piano frame.

Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.

Fig. 3 is the structure exploded perspective view of the utility model lifting piano frame.

Embodiment

in Fig. 1, Fig. 2, embodiment shown in Figure 3, a kind of lifting piano frame, comprise upper pedestal 10 and the Supporting vertical tube 50 that is connected connecting and supporting upper pedestal 10, and for the lower support pipe 21 that supports whole piano frame and for the lower bottom base 20 that lower support pipe 21 is installed, be equipped with on upper pedestal 10 for the upper support pipe 11 that supports piano, upper pedestal 10 is provided with lift adjustment button 14, adjusts spring 12 and stretching bar 15, and stretching bar 15 bottoms are equipped with shrink-ring 32, described Supporting vertical tube 50 comprises the outside upper pipe 30 of support and supports outside lower pipe 40, support outside upper pipe 30 and support between the link of outside lower pipe 40 and link together by upper locking pipe fitting 34 and clamp ring 35, support in outside upper pipe 30 pipes shrink-ring 32 and liquid shrinkable 33 are installed, the interior inclined-plane 321 of shrink-ring 32 (see figure 2) that matches with the outer inclined-plane 331 of liquid shrinkable 33 supports in outside lower pipe 40 step pipe 41 is installed, when adjusting piano frame height, unclamp clamp ring 35, supporting outside upper pipe 30 and support outside lower pipe 40 can be freely movable, press lift adjustment button 14, the interior inclined-plane of shrink-ring 32 coordinates compression with liquid shrinkable 33 outer inclined-plane, make liquid shrinkable 33 dimensional contraction to putting in outside lower pipe, after the piano frame moves down into after the positioning step of step pipe 41 automatically the fixed position, unclamp lift adjustment button 14, stretching bar 15 drives shrink-ring 32 and moves up under the effect of adjusting spring 12, liquid shrinkable 33 is not stressed, increase liquid shrinkable 33 peripheries and support outside upper pipe 30 tube wall internal frictions, tighten fixedly piano frame height and position of clamp ring 35.Upper locking pipe fitting 34 lower end cars have external thread 341, and clamp ring 35 upper end inwalls are provided with the internal thread that matches with the external thread 341 of upper locking pipe fitting 34.Flap 13 is installed on upper pedestal 10, is equipped with in upper flap 13 and adjusts spring 12, have the button perforate on upper flap 13, be equipped with in the button perforate and adjust button 14.The step pipe has 2 sections to top bar.Upper pedestal 10 bottoms are connected with stationary pipes 31, and stretching bar 15 is arranged in stationary pipes 31.Shrink-ring 32 lower ends are provided with fluting, and liquid shrinkable 33 upper ends are provided with positioning body, and positioning body is located in the fluting of shrink-ring 32.Upper support pipe 11 links together with the pluggable installation of upper pedestal 10.The external end head of upper support pipe 11 is equipped with rubber blanket 111.Upper locking pipe fitting 34 adopts upper pipe working of plastics.

when needing to adjust piano frame height, unclamp clamp ring 35, supporting outside upper pipe 30 and support outside lower pipe 40 can be freely movable, press lift adjustment button 14, the interior inclined-plane of shrink-ring 32 coordinates compression with liquid shrinkable 33 outer inclined-plane, make liquid shrinkable 33 dimensional contraction to putting in outside lower pipe, after the piano frame moves down into after the positioning step of step pipe 41 automatically the fixed position, unclamp lift adjustment button 14, stretching bar 15 drives shrink-ring 32 and moves up under the effect of adjusting spring 12, liquid shrinkable 33 is not stressed, increase liquid shrinkable 33 peripheries and support outside upper pipe 30 tube wall internal frictions, tighten fixedly piano frame height and position of clamp ring 35.

Although this paper has more used the terms such as upper pedestal, upper support pipe, lift adjustment button, clamp ring, upper locking pipe fitting, liquid shrinkable, shrink-ring; But do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.

Claims

1. lifting piano frame, comprise upper pedestal (10) and the Supporting vertical tube (50) that is connected connecting and supporting upper pedestal (10), upper pedestal (10) is provided with for the upper support pipe (11) that supports piano, it is characterized in that: upper pedestal (10) is provided with lift adjustment button (14), adjusts spring (12) and stretching bar (15), and stretching bar (15) bottom is provided with shrink-ring (32), described Supporting vertical tube (50) comprises support outside upper pipe (30) and supports outside lower pipe (40), support outside upper pipe (30) and support between the link of outside lower pipe (40) and link together by upper locking pipe fitting (34) and clamp ring (35), support and be provided with shrink-ring (32) and liquid shrinkable (33) in outside upper pipe (30) pipe, the interior inclined-plane of shrink-ring (32) matches with liquid shrinkable (33) outer inclined-plane, supports and is provided with step pipe (41) in outside lower pipe (40), when adjusting piano frame height, unclamp clamp ring (35), supporting outside upper pipe (30) and support outside lower pipe (40) can be freely movable, press lift adjustment button (14), the interior inclined-plane of shrink-ring (32) coordinates compression with liquid shrinkable (33) outer inclined-plane, make liquid shrinkable (33) dimensional contraction to putting in outside lower pipe, after the piano frame moves down into after the positioning step of step pipe (41) automatically the fixed position, unclamp lift adjustment button (14), stretching bar (15) drives shrink-ring (32) and moves up under the effect of adjusting spring (12), liquid shrinkable (33) is not stressed, increase liquid shrinkable (33) periphery and support outside upper pipe (30) tube wall internal friction, tighten fixedly piano frame height and position of clamp ring (35).

2. according to lifting piano frame claimed in claim 1, it is characterized in that: described upper locking pipe fitting (34) lower end is provided with external thread (341), and clamp ring (35) upper end inwall is provided with the internal thread that matches with the external thread (341) of upper locking pipe fitting (34).

3. according to lifting piano frame claimed in claim 1, it is characterized in that: described upper pedestal (10) is provided with flap (13), be provided with in upper flap (13) and adjust spring (12), upper flap (13) is provided with the button perforate, is provided with in the button perforate to adjust button (14).

4. according to lifting piano frame claimed in claim 1, it is characterized in that: described step pipe has 2 sections to top bar.

5. according to lifting piano frame claimed in claim 1, it is characterized in that: be connected with stationary pipes (31) bottom described upper pedestal (10), stretching bar (15) is located in stationary pipes (31).

6. according to lifting piano frame claimed in claim 1, it is characterized in that: described shrink-ring (32) lower end is provided with fluting, and liquid shrinkable (33) upper end is provided with positioning body, and positioning body is located in the fluting of shrink-ring (32).

7. according to lifting piano frame claimed in claim 1, it is characterized in that: described upper support pipe (11) links together with the pluggable installation of upper pedestal (10).

8. according to lifting piano frame claimed in claim 1, it is characterized in that: the external end head of described upper support pipe (11) is provided with rubber blanket (111).