CN211578331U

CN211578331U - Noiseless hidden piano keyboard lid

Info

Publication number: CN211578331U
Application number: CN201921450800.8U
Authority: CN
Inventors: 主若萱; 谢梦; 马千里; 何德学
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-09-25
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a noiseless hidden piano keyboard lid, including the piano body, swing joint has the keyboard lid on the piano body, be equipped with moving mechanism on the keyboard lid, this internal adjustment mechanism that is equipped with of piano, adjustment mechanism's one end fixedly connected with backup pad, the upper end fixed mounting of backup pad has the baffle, one side contact that the baffle is close to the keyboard lid is replaced mutually has first dust removal mechanism, be equipped with second dust removal mechanism between adjustment mechanism's one end and the backup pad. The utility model discloses a moving mechanism, adjustment mechanism, first dust removal mechanism, second dust removal mechanism's cooperation is used the closure that has realized manual regulation keyboard lid and is opened, and the damage to piano itself when having avoided closing at an excessive speed prevents to injure by a crashing object the user finger, and the deashing that can be synchronous at present to keyboard lid surface simultaneously removes dust, has guaranteed the pleasing to the eye of keyboard lid, has also avoided influencing the sensitivity of keyboard because of the dust.

Description

Noiseless hidden piano keyboard lid

Technical Field

The utility model relates to a piano keyboard lid technical field especially relates to a noiseless hidden piano keyboard lid.

Background

A piano is a keyboard instrument, a hammer is pulled by a key to beat a string, since the end of the eighteenth century, the piano has been the most important family keyboard instrument in europe and the united states, the piano originated from europe, the beginning of the eighteenth century, italian cristo duffari, a keyboard instrument similar to a modern piano, and the modern piano is evolved from the front body of the piano, a large key organ sounding by plucking a string and a small key organ sounding by striking a string from the history of development of the keyboard instrument.

The existing noiseless hidden piano keyboard cover is provided with the pulley seat and the pulleys through the keyboard cover, the noiseless sliding of the keyboard cover is realized, the piano cover plate is large in size and heavy generally, fingers are extremely easy to be injured or the piano is damaged when the piano cover plate is rapidly descended, particularly, the piano keyboard is high in danger for children learning the piano, and the piano keyboard can fall into dust due to long-time storage, so that the appearance is influenced, and meanwhile, the sensitivity of the keyboard is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the great and general ratio of the apron volume of the piano that exists among the prior art and being heavier, the quick descending of piano apron is very easily pressed from both sides and is hindered the finger or damage the piano, and the piano keyboard can fall into the dust because of putting for a long time, and the noiseless hidden piano keyboard lid that provides, it not only avoids the damage to piano itself, prevent to injure the user finger by a crashing, still can replace the switching to close the deashing dust removal on piano keyboard lid surface of synchronous realization in the time of piano keyboard lid, the pleasing to the eye of piano keyboard lid has been guaranteed, also avoided influencing the sensitivity of keyboard because of the dust.

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

the utility model provides a noiseless hidden piano keyboard lid, includes the piano body, there is the keyboard lid through universal driving shaft swing joint on the piano body, be equipped with moving mechanism on the keyboard lid, moving mechanism's one end runs through the piano body and extends to its inside, this internal adjustment mechanism that is used for restricting the motion of keyboard lid that is equipped with of piano, moving mechanism's one end and adjustment mechanism's one end offset contact, adjustment mechanism's one end fixedly connected with backup pad, the upper end fixed mounting of backup pad has the baffle, the baffle is close to one side contact of keyboard lid and is offset and have first dust removal mechanism, be equipped with second dust removal mechanism between adjustment mechanism's one end and the backup pad, the end of giving vent to anger of first dust removal mechanism and the end of giving vent to anger of second dust removal mechanism all are located the keyboard lid.

Preferably, the moving mechanism comprises a fixing block fixedly installed at the lower end of the keyboard cover, the fixing block is rotatably connected with a first connecting rod through a first rotating shaft, the lower end of the first connecting rod is rotatably connected with a second connecting rod through a second rotating shaft, the second connecting rod penetrates through the piano body and extends into the piano body, a pulley is fixedly connected to the lower end of the second connecting rod, and the pulley is in contact with one end of the adjusting mechanism in an abutting mode.

Preferably, the adjusting mechanism comprises a triangular push block fixedly mounted at the upper end of the supporting plate, one end, far away from the pulley, of the triangular push block is fixedly connected with a lead screw, the thread of the lead screw penetrates through the inner wall of the piano body, and the inclined plane of the triangular push block is abutted to the pulley.

Preferably, the inner wall of piano body is equipped with the bar opening, the second connecting rod runs through the bar opening setting.

Preferably, the first dust removal mechanism comprises a first elastic air bag which is abutted to the baffle, the first elastic air bag is communicated with a first corrugated pipe, the first corrugated pipe penetrates through the inner wall of the piano body, the free end of the first corrugated pipe is located in the keyboard cover, and a first filter screen plate is installed in the free end of the first corrugated pipe.

Preferably, the second dust removal mechanism comprises a second elastic air bag arranged between the lower end of the screw rod and the upper end of the supporting plate, a second corrugated pipe is communicated with the second elastic air bag and penetrates through the inner wall of the piano body, the free end of the second corrugated pipe is located in the keyboard cover, and a second filter screen plate is arranged in the free end of the second corrugated pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a mutually supporting between moving mechanism, adjustment mechanism, first pivot, second pivot, head rod, second connecting rod, triangle-shaped ejector pad, lead screw, the damping bearing has realized the closure of the heavy piano keyboard lid of manual regulation and has opened, and the apron can reduce its falling speed when the whereabouts moreover, avoids the damage to piano itself, prevents to injure by a crashing user's finger.

2. The utility model discloses a mutually supporting between moving mechanism, adjustment mechanism, first dust removal mechanism, second dust removal mechanism, first elasticity gasbag, second elasticity gasbag, first bellows, the second bellows has realized at the closed of the heavy piano keyboard lid of manual regulation and the in-process of opening, all can realize in step that the deashing to piano keyboard lid surface removes dust, has guaranteed the pleasing to the eye of piano keyboard lid, has also avoided influencing the sensitivity of keyboard because of the dust.

Drawings

Fig. 1 is a schematic structural view of a silent hidden piano keyboard cover according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a side view of the present invention, which provides a silent hidden piano keyboard lid.

In the figure: the piano comprises a piano body 1, a keyboard cover 2, a supporting plate 3, a baffle 4, a fixing block 5, a first rotating shaft 6, a first connecting rod 7, a second rotating shaft 8, a second connecting rod 9, a pulley 10, a triangular push block 11, a screw rod 12, a strip-shaped opening 13, a first elastic air bag 14, a first corrugated pipe 15, a second elastic air bag 16, a second corrugated pipe 17, a first filter screen plate 18 and a second filter screen plate 19.

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 noiseless hidden piano keyboard lid, including piano body 1, characterized in that, there is keyboard lid 2 on the piano body 1 through the universal driving shaft swing joint, be equipped with the moving mechanism on the keyboard lid 2, the one end of moving mechanism runs through the piano body 1 and extends to its inside, be equipped with the adjustment mechanism that is used for restricting the motion of keyboard lid 2 in the piano body 1, the one end of moving mechanism is supported contact with the one end of adjustment mechanism, the one end fixedly connected with backup pad 3 of adjustment mechanism, the upper end fixed mounting of backup pad 3 has baffle 4, the baffle 4 is close to the side contact of keyboard lid 2 and is supported first dust removal mechanism, be equipped with the second dust removal mechanism between one end of adjustment mechanism and backup pad 3, the end of giving vent to anger of first dust removal mechanism and the end of giving vent to anger of second dust removal mechanism all are located keyboard lid 2, set up like this and can directly act on the.

Wherein, moving mechanism includes fixed block 5 of fixed mounting in keyboard cover 2 lower extreme, fixed block 5 rotates through first pivot 6 and is connected with head rod 7, the lower extreme of head rod 7 rotates through second pivot 8 and is connected with second connecting rod 9, the inner wall of piano body 1 is equipped with bar opening 13, second connecting rod 9 runs through bar opening 13 and sets up, second connecting rod 9 runs through piano body 1 and extends to inside it, the lower extreme fixedly connected with pulley 10 of second connecting rod 9, pulley 10 with adjustment mechanism's one end offset contact, it is prior art to need to notice to rotate to connect, this department just does not describe repeatedly.

Wherein, adjustment mechanism includes triangle-shaped ejector pad 11 of fixed mounting in 3 upper ends of backup pad, the one end fixedly connected with lead screw 12 of pulley 10 is kept away from to triangle-shaped ejector pad 11, the inner wall setting that the piano body 1 is run through to lead screw 12 screw thread, like this, lead screw 12 rotates and to promote triangle-shaped ejector pad 11 and move, both ends lateral wall offsets the contact with the inner wall of piano body 1 respectively around triangle-shaped ejector pad 11, it is spacing to it, make triangle-shaped ejector pad 11 can only horizontal motion, further adjustable pulley 10's position, and then change keyboard lid 2 and open and closed state, triangle-shaped ejector pad 11's inclined plane offsets the contact with pulley 10.

Wherein, first dust removal mechanism includes the first elasticity gasbag 14 that contacts with baffle 4 counterbalance, intercommunication has first bellows 15 on the first elasticity gasbag 14, first bellows 15 runs through piano body 1 inner wall setting, the free end of first bellows 15 is located keyboard cover 2, the setting is so that the free end of first bellows 15 can move along with keyboard cover 2's motion, guarantee real-time giving vent to anger dust removal keyboard cover 2 surface, install first filter plate 18 in the free end of first bellows 15, set up first filter plate 18 and avoid inspiratory in-process will have the gas of dust to inhale first elasticity gasbag 14, filter the dust removal to gas, and this is that the in-process of opening keyboard cover 2 carries out real-time deashing dust removal to the keyboard.

More specifically, the second dust removing mechanism comprises a second elastic air bag 16 arranged between the lower end of the screw rod 12 and the upper end of the supporting plate 3, a second corrugated pipe 17 is communicated with the second elastic air bag 16, the second corrugated pipe 17 penetrates through the inner wall of the piano body 1, the free end of the second corrugated pipe 17 is positioned in the keyboard cover 2, the arrangement is carried out in such a way that the free end of the second corrugated pipe 17 can move along with the movement of the keyboard cover 2, the real-time surface of the keyboard cover 2 for exhausting air and removing dust is ensured, a second filter screen plate 19 is arranged in the free end of the second corrugated pipe 17, the second filter screen plate 19 is arranged to prevent air with dust from being sucked into the second elastic air bag 16 in the air suction process, the air is filtered and removed dust, and the dust of the keyboard is removed in real time in the process of closing the keyboard cover 2.

In the utility model, the triangular push block 11 is pushed to move by twisting the lead screw 12, the inclined plane of the triangular push block 11 is abutted against the pulley 10, the keyboard cover 2 is further pushed to be opened, at the moment, the movement of the triangular push block 11 enables the first elastic air bag 14 to be extruded under force, the gas in the first elastic air bag 14 is discharged through the gas outlet end of the first corrugated pipe 15, the dust removing and dust removing treatment is carried out on the unused keyboard, after the piano is used, the piano keyboard cover 2 needs to be closed, at the moment, the lead screw 12 is reversely twisted, the first connecting rod 7 and the second connecting rod 9 drive the keyboard cover 2 to descend through the inclined plane movement of the triangular push block 11 by the pulley 10 until the keyboard cover 2 is closed, thus, the damage to the piano itself due to the overweight of the keyboard cover 2 is avoided through manual adjustment, the fingers of a user are prevented from being injured, in the descending process of the keyboard cover 2, the triangle-shaped ejector pad 11 extrudes second elasticity gasbag 16 for the second elasticity gasbag 16 is gaseous to be discharged through the end of giving vent to anger of first bellows 15, carries out the deashing dust removal processing to the keyboard after using, has just so realized at the closed of manual regulation heavy piano keyboard lid 2 and the in-process of opening, all can realize in step removing dust to the deashing on piano keyboard surface, has guaranteed piano keyboard's pleasing to the eye, has also avoided influencing the sensitivity of keyboard because of the dust.

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. A silent hidden piano keyboard cover comprises a piano body (1) and is characterized in that, the piano body (1) is movably connected with a keyboard cover (2) through a linkage shaft, the keyboard cover (2) is provided with a moving mechanism, one end of the moving mechanism penetrates through the piano body (1) and extends into the piano body, an adjusting mechanism for limiting the motion of the keyboard cover (2) is arranged in the piano body (1), one end of the moving mechanism is contacted with one end of the adjusting mechanism in a propping way, one end of the adjusting mechanism is fixedly connected with a supporting plate (3), a baffle plate (4) is fixedly arranged at the upper end of the supporting plate (3), one side of the baffle plate (4) close to the keyboard cover (2) is contacted and abutted against a first dust removing mechanism, and a second dust removing mechanism is arranged between one end of the adjusting mechanism and the supporting plate (3), and the air outlet end of the first dust removing mechanism and the air outlet end of the second dust removing mechanism are both positioned in the keyboard cover (2).

2. A silent hidden piano keyboard lid according to claim 1, wherein the moving mechanism comprises a fixed block (5) fixedly mounted on the lower end of the keyboard lid (2), the fixed block (5) is rotatably connected with a first connecting rod (7) through a first rotating shaft (6), the lower end of the first connecting rod (7) is rotatably connected with a second connecting rod (9) through a second rotating shaft (8), the second connecting rod (9) penetrates the piano body (1) and extends into the piano body, the lower end of the second connecting rod (9) is fixedly connected with a pulley (10), and the pulley (10) is in contact with one end of the adjusting mechanism.

3. A silent hidden piano keyboard lid according to claim 2, wherein the adjusting mechanism comprises a triangular push block (11) fixedly mounted on the upper end of the supporting plate (3), a lead screw (12) is fixedly connected to one end of the triangular push block (11) far from the pulley (10), the lead screw (12) is threaded through the inner wall of the piano body (1), and the inclined surface of the triangular push block (11) is in contact with the pulley (10) in an abutting manner.

4. A silent hidden piano keyboard lid according to claim 2, wherein the inner wall of the piano body (1) is provided with a strip-shaped opening (13), and the second connecting rod (9) is disposed through the strip-shaped opening (13).

5. A silent hidden piano keyboard lid according to claim 1, wherein the first dust removing mechanism comprises a first elastic air bag (14) in contact with the baffle (4), the first elastic air bag (14) is communicated with a first corrugated pipe (15), the first corrugated pipe (15) is arranged through the inner wall of the piano body (1), the free end of the first corrugated pipe (15) is positioned in the keyboard lid (2), and a first filter screen plate (18) is arranged in the free end of the first corrugated pipe (15).

6. The silent hidden piano keyboard cover according to claim 1, wherein the second dust removing mechanism comprises a second elastic air bag (16) arranged between the lower end of the screw rod (12) and the upper end of the support plate (3), a second corrugated pipe (17) is communicated with the second elastic air bag (16), the second corrugated pipe (17) penetrates through the inner wall of the piano body (1), the free end of the second corrugated pipe (17) is positioned in the keyboard cover (2), and a second filter screen plate (19) is arranged in the free end of the second corrugated pipe (17).