CN2632805Y - Pneumatic and hydraulic damping lift device of piano cover - Google Patents
Pneumatic and hydraulic damping lift device of piano cover Download PDFInfo
- Publication number
- CN2632805Y CN2632805Y CN 03265576 CN03265576U CN2632805Y CN 2632805 Y CN2632805 Y CN 2632805Y CN 03265576 CN03265576 CN 03265576 CN 03265576 U CN03265576 U CN 03265576U CN 2632805 Y CN2632805 Y CN 2632805Y
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- damper
- gas
- piano
- special stand
- liquid
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Abstract
The utility model relates to a pneumatic and hydraulic dampling lift device of pinao cover, comprising three groups of pneumatic and hydraulic damper and components arranged in a piano body or on different positions on a piano cover to respectively lift a front cover, a back cover and a piano keyboard cover: the first group is arranged below an edge of the back cover of the piano and parallel to the shaft direction of the front and the back covers of the piano, and matches with a big and a small supporting sticks. The second team is arranged below an edge of a side end of the back cover and vertical to the shaft direction of the front and the back covers of the piano, and matches with a transmission unit capable of automatically turning over 180 degrees. The third team is arranged on an inner side of an edge at one side end of the piano body and vertical to the shaft direction of the piano keyboard key press. The utility model allows the front and back covers and the piano keyboard key press to realize the operations of reposeful opening, rolling and closing by utilizing the air-liquid damping buffering principle.
Description
Technical field
The utility model relates to a kind of device that utilizes gas-liquid damping buffering principle that piano qin lid is raised or closed.
Prior art
Piano in use, its qin lid will be opened, the past normally starts with wrist power, plays to fall with wrist power after finishing again.Its shortcoming is: the qin lid that has is very heavy, needs very big lifting force when starting, and operation is very inconvenient before the lights, and the qin lid that has is easy to landing, also easily pounds hand, and is not too safe.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of piano qin lid gas-liquid damping take-off and landing device that can overcome the defective of prior art, and it can make the qin lid start easily, and it is gently fallen.
For achieving the above object, the technical solution of the utility model is: described piano qin lid gas-liquid damping take-off and landing device comprises three groups of gas-liquid damper and assemblies thereof that are fixed on piano body or the qin lid diverse location, respectively at the operation of rising and falling of the forward and backward big lid of piano and keyboard cover:
First group of piano qin lid gas-liquid damping take-off and landing device comprises damper, the damper special stand, a big rod, prop up rod special stand and bowl formula bearing, wherein: below the edge foremost of big lid behind the piano, before being parallel to, the rotor shaft direction of the big lid in back is installed with the damper special stand, the cylinder body of gas-liquid damper is connected on this special stand, the piston rod of damper is being connected near the position, top with a big rod, on the bowl formula bearing that the top of a big rod covers greatly after can withstanding on and being fixed in, also can be unsettled, the other end is connected with a rod special stand on being fixed on the qin body.
Described piano qin lid gas-liquid damping take-off and landing device also comprises a ramuscule rod, covers the place near described bowl formula bearing after its end is movably connected in greatly, and the other end can withstand on described the rod special stand, also can be unsettled.
Second group of piano qin lid gas-liquid damping take-off and landing device comprises the gas-liquid damper, the damper special stand, transmission group and transmission bracket, wherein: below big lid side edge, described back, perpendicular to preceding, the rotor shaft direction of the big lid in back is installed with the damper special stand, the cylinder body of gas-liquid damper is connected on this special stand, but the piston rod of damper is connected with transmission group one end that self turns over turnback, before being fixedly connected on, transmission bracket covers greatly, with after cover the same lateral edges below of the damper special stand that is connected greatly, the other end of described transmission group is fixed on this transmission bracket.
The 3rd group of piano qin lid gas-liquid damping take-off and landing device comprises gas-liquid damper and damper special stand, wherein: in the inboard, side edge of described piano body, be installed with the damper special stand perpendicular to the rotor shaft direction of keyboard cover, the cylinder body of described gas-liquid damper is connected on this special stand, the piston rod of damper then is connected on the position a little more than this keyboard cover rotating shaft with keyboard cover, when this keyboard cover is in closed condition, described gas-liquid damper is in horizontality substantially, and piston rod one end of damper is slightly high.
The utility model is connected with keyboard cover with the Hou Dagai of piano, preceding big lid respectively by utilizing three groups of gas-liquid dampers that are fixed on piano body or the qin lid diverse location, under the buffering of gas-liquid damping, make that forward and backward big lid and the smooth realization of keyboard cover are raised stably, upset or shutoff operation.This gas-liquid damper is safe and reliable, easy for installation, does not need during use to expend too big strength, is very easy to the pianist.
Description of drawings
Fig. 1 is a back big lid gas-liquid damping take-off and landing device perspective view;
Fig. 2 is the front elevation of back shown in Figure 1 big lid gas-liquid damping take-off and landing device;
Fig. 3 is the rollover states synoptic diagram of preceding big lid gas-liquid damping take-off and landing device;
Fig. 4 is the view of closing up of preceding big lid gas-liquid damping take-off and landing device;
Fig. 5 is the closed condition synoptic diagram of keyboard cover gas-liquid damping take-off and landing device;
Fig. 6 is the view of raising of keyboard cover gas-liquid damping take-off and landing device.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
See also Fig. 1,2: be a specific embodiment of the present utility model, this piano qin lid gas-liquid damping take-off and landing device comprises damper 61, the damper special stand, a big rod 7, prop up rod special stand and bowl formula bearing 5, wherein: below the edge foremost of big lid 1 behind the piano, before being parallel to, the big lid 2 in back, 1 rotor shaft direction is installed with the damper special stand, the cylinder body of gas-liquid damper 61 is connected on this special stand, the piston rod of damper 61 is being connected near the position, top with a big rod 7, the top of a big rod 7 can withstand on the bowl formula bearing 5 that is fixed on the Hou Dagai 1, also can be unsettled, the other end is connected with a rod special stand on being fixed on qin body 4.
When the big lid 1 in back need fall, buttress the big lid 1 in back with the right hand, will prop up rod 7 greatly with left hand and shift out a bowl formula bearing 5, the big lid in back 1 comes compressed gas fluid damper 61 by the weight of self, under the buffering of gas-liquid damping, the big lid 1 in back is gently fallen.When the big lid 1 in back need start, gently lift the big lid 1 in back with the right hand, buttress a big rod 7 with left hand, under the power-assisted effect of gas-liquid damping, make the big lid 1 in back start easily, in the top of a big rod 7 moves into bowl formula bearing 5 till.
Described piano qin lid gas-liquid damping take-off and landing device also comprises a ramuscule rod 8, and its end is movably connected in the place of close described bowl formula bearing 5 on the big lid 1 in back, and the other end can withstand on described the rod special stand, also can be unsettled.If when the big lid 1 in back need start a low-angle, when lifting 8-9 degree angle, put down ramuscule rod 8, withstand on interior the getting final product of special stand on the qin body 4.
Be depicted as another group of the present utility model be used for overturning gas-liquid damping take-off and landing device of big lid 2 before the piano as Fig. 3,4, the flip angle of preceding big lid 2 is 180 degree.It comprises gas-liquid damper 62, the damper special stand, transmission group 9 and transmission bracket 10, wherein: below big lid 1 side edge, described back, perpendicular to preceding, the big lid 2 in back, 1 rotor shaft direction is installed with the damper special stand, the cylinder body of gas-liquid damper 62 is connected on this special stand, but the piston rod of damper 62 is connected with transmission group 9 one ends that self turn over turnback, the big lid on 2 before transmission bracket 10 is fixedly connected on, with the same lateral edges below of the damper special stand that is connected on the big lid 1 in back, the other end of described transmission group 9 is fixed on this transmission bracket 10.
Described transmission group 9 comprises connecting plate 91,92,93,94,95,96, wherein: connecting plate 91,92 and connecting plate 93 are combined as a triangle, connecting plate 91,92 can rotate around connecting plate 93, connecting plate 94,95 and connecting plate 93,96 are combined as a parallelogram, connecting plate 94,95 can rotate around connecting plate 93, this parallelogram is fixed on the described transmission bracket 10, and can vacillate now to the left, now to the right, and the binding site o of described connecting plate 91,92 is connected with the piston rod of gas-liquid damper 62.
As shown in Figure 3: when current big lid 2 needs counter-rotating, big lid 2 before with the hands starting, come compressed gas fluid damper 62 by transmission group 9, make its storage power, form bounce, under the buffering of gas-liquid damping, preceding big lid 2 has just gently turned (as shown in Figure 4), otherwise, cover 2 greatly before with the hands starting, under the power-assisted effect of gas-liquid damping, the upset gently of big lid 2 in the past before making.
Because the main element of piano all is to be made by timber, for preventing owing to the inhomogeneous buckling deformation that causes qin lid material of exerting oneself for a long time, described gas-liquid damper 62, damper special stand, transmission group 9 and transmission bracket 10 all are set to two, and left and right symmetrically is installed in the below, side edge of forward and backward big lid 2,1.
As Fig. 5,6 is that the 3rd group of piano key that is used for rising and falling of the present utility model covers 3 gas-liquid damping take-off and landing device, it comprises gas-liquid damper 63 and damper special stand, wherein: in the inboard, side edge of described piano body 4, rotating shaft 11 directions perpendicular to keyboard cover 3 are installed with the damper special stand, the cylinder body of described gas-liquid damper 63 is connected on this special stand, the piston rod of damper 63 then is connected on the position a little more than these keyboard cover 3 rotating shafts 11 with keyboard cover 3, when this keyboard cover 3 is in closed condition, described gas-liquid damper 63 is in horizontality substantially, and piston rod one end of damper 63 is slightly high.
As shown in Figure 5: when needs start keyboard cover 3, start keyboard cover 3 with hand, this moment, keyboard cover 3 11 rotated around the shaft, and compressed gas fluid damper 63 under the buffering of gas-liquid damping, gently starts keyboard cover 3 simultaneously.Otherwise, as shown in Figure 6:, under the power-assisted of gas-liquid damping, keyboard cover 3 is gently fallen with pulling moving keyboard cover 3.
Same described gas-liquid damper 63 and damper special stand all are set to two in order to prevent the material buckling deformation of keyboard cover 3, and left and right symmetrically is installed in the inboard, side edge of piano body 4.
Claims (7)
1, a kind of piano qin lid gas-liquid damping take-off and landing device, it is characterized in that: it comprises damper (61), the damper special stand, a big rod (7), prop up rod special stand and bowl formula bearing (5), wherein: the below, edge foremost of behind piano, covering (1) greatly, before being parallel to, the big lid (2 in back, 1) rotor shaft direction is installed with the damper special stand, the cylinder body of gas-liquid damper (61) is connected on this special stand, the piston rod of damper (61) is being connected near the position, top with a big rod (7), the top of a big rod (7) can withstand on the bowl formula bearing (5) that is fixed on the Hou Dagai (1), also can be unsettled, the other end is connected with a rod special stand on being fixed on qin body (4).
2, piano qin lid gas-liquid damping take-off and landing device according to claim 1, it is characterized in that: described piano qin lid gas-liquid damping take-off and landing device also comprises a ramuscule rod (8), its end is movably connected in the place that Hou Dagai (1) goes up close described bowl formula bearing (5), the other end can withstand on described the rod special stand, also can be unsettled.
3, a kind of piano qin lid gas-liquid damping take-off and landing device, it is characterized in that: it comprises gas-liquid damper (62), the damper special stand, transmission group (9) and transmission bracket (10), wherein: in below, big lid (1) side edge, described back, perpendicular to preceding, the big lid (2 in back, 1) rotor shaft direction is installed with the damper special stand, the cylinder body of gas-liquid damper (62) is connected on this special stand, damper (62) but piston rod be connected with transmission group (9) one ends that self turn over turnback, transmission bracket (10) is fixedly connected on the Qian Dagai (2), with the same lateral edges below of the damper special stand that is connected on the big lid in back (1), the other end of described transmission group (9) is fixed on this transmission bracket (10).
4, piano qin lid gas-liquid damping take-off and landing device according to claim 3, it is characterized in that: described gas-liquid damper (62), damper special stand, transmission group (9) and transmission bracket (10) are two, and left and right symmetrically is installed in the below, side edge of forward and backward big lid (2,1).
5, according to claim 3 or 4 described piano qin lid gas-liquid damping take-off and landing devices, it is characterized in that: described transmission group (9) comprises connecting plate (91,92,93,94,95,96), wherein: connecting plate (91,92) be combined as a triangle with connecting plate (93), connecting plate (91,92) can rotate around connecting plate (93), connecting plate (94,95) with connecting plate (93,96) be combined as a parallelogram, connecting plate (94,95) can rotate around connecting plate (93), this parallelogram is fixed on the described transmission bracket (10), and can vacillate now to the left, now to the right, described connecting plate (91,92) binding site (o) is connected with the piston rod of gas-liquid damper (62).
6, a kind of piano qin lid gas-liquid damping take-off and landing device, it is characterized in that: it comprises gas-liquid damper (63) and damper special stand, wherein: in the inboard, side edge of described piano body (4), rotating shaft (11) direction perpendicular to keyboard cover (3) is installed with the damper special stand, the cylinder body of described gas-liquid damper (63) is connected on this special stand, the piston rod of damper (63) then is connected on the position a little more than this keyboard cover (3) rotating shaft (11) with keyboard cover (3), when this keyboard cover (3) when being in closed condition, described gas-liquid damper (63) is in horizontality substantially, and piston rod one end of damper (63) is slightly high.
7, piano qin lid gas-liquid damping take-off and landing device according to claim 6, it is characterized in that: described gas-liquid damper (63) and damper special stand are two, and left and right symmetrically is installed in the inboard, side edge of piano body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265576 CN2632805Y (en) | 2003-06-13 | 2003-06-13 | Pneumatic and hydraulic damping lift device of piano cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265576 CN2632805Y (en) | 2003-06-13 | 2003-06-13 | Pneumatic and hydraulic damping lift device of piano cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2632805Y true CN2632805Y (en) | 2004-08-11 |
Family
ID=34297831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03265576 Expired - Fee Related CN2632805Y (en) | 2003-06-13 | 2003-06-13 | Pneumatic and hydraulic damping lift device of piano cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2632805Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918997A (en) * | 2008-01-15 | 2010-12-15 | 丹尼尔·E·盖根 | Support for a piano lid |
| CN106486090A (en) * | 2015-09-01 | 2017-03-08 | 株式会社河合乐器制作所 | Roof plate supporting device for grand piano |
| CN108741695A (en) * | 2018-06-01 | 2018-11-06 | 安俊颖 | A kind of study auxiliary device for making attention of student more concentrate |
-
2003
- 2003-06-13 CN CN 03265576 patent/CN2632805Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918997A (en) * | 2008-01-15 | 2010-12-15 | 丹尼尔·E·盖根 | Support for a piano lid |
| CN101918997B (en) * | 2008-01-15 | 2014-08-13 | 丹尼尔·E·盖根 | Support for a piano lid |
| CN106486090A (en) * | 2015-09-01 | 2017-03-08 | 株式会社河合乐器制作所 | Roof plate supporting device for grand piano |
| CN108741695A (en) * | 2018-06-01 | 2018-11-06 | 安俊颖 | A kind of study auxiliary device for making attention of student more concentrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Yaozhong Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |