CN217880815U

CN217880815U - Piano closes and covers buffer structure

Info

Publication number: CN217880815U
Application number: CN202222086961.1U
Authority: CN
Inventors: 罗力思
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-22
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a buffer structure technical field, concretely relates to piano closes and covers buffer structure, the device comprises a device main body, device main part front side swivelling joint has buffer gear, buffer gear includes the telescopic link, telescopic link lower extreme sliding connection has accomodates the pole, accomodate the inside atmospheric pressure storehouse of having seted up of pole, the atmospheric pressure storehouse intussuseption is filled with high-pressure gas, it has seted up the inflation spiral shell groove to accomodate the pole lower extreme, the embedded one-way pneumatic valve of installing of buffer gear lower extreme, one-way pneumatic valve includes the valve piece. The utility model discloses in, through musical instrument lid extrusion device main part, the telescopic link lower extreme extrudees the inside gas in atmospheric pressure storehouse, increases atmospheric pressure height in the atmospheric pressure storehouse, and then provides a reaction force that progressively enlarges to the musical instrument lid, reaches the purpose of supporting the buffering, replaces traditional spring to add the buffer structure of attenuator, and the structure is simpler, and reduce cost possesses certain regulatory function, avoids traditional structure spring reaction force too high, leads to the unable closed inseparable problem of musical instrument lid.

Description

Piano closes and covers buffer structure

Technical Field

The utility model relates to a buffer structure technical field, concretely relates to piano closes and covers buffer structure.

Background

The piano is a keyboard instrument in Western classical music and consists of 88 keys and a metal string soundboard; the key department of piano is equipped with the apron, and the time spent not at ordinary times can cover the key, but present piano apron lacks the buffering, when covering the musical instrument lid, strikes the key base easily, causes the harm to the key, influences life.

The technical scheme for solving the problems also exists in the prior art, and the Chinese patent publication No. CN213635317U discloses a buffering structure of a piano cover plate, which comprises a lower cover plate and an upper cover plate, wherein mounting plates are fixedly connected to two sides of the lower cover plate, a buffering mechanism is arranged in the lower cover plate, and a limiting mechanism is arranged in the mounting plates.

The inside of apron is equipped with buffer gear under, when the upper cover plate passes through the drive of external hydraulic stem to be closed, peg graft in the U template the front end of apron, the spring beam of its bottom and the pressure of U template buffering the apron, reach the effect of buffering closing pressure, and be provided with the sleeve pipe that can the oscilaltion in the mounting panel of this device, the sleeve pipe promotes by electric putter when using to rise, carry out the supporting role to the apron, prevent that the upper cover plate from closing suddenly and pressing from both sides wounded personnel, the effect of protection operator safety has been reached, and when closing the upper cover plate, the inserted block that its bottom set up inserts in the sleeve pipe, the intraductal spring of sleeve and buffer board can carry out the second buffering to it, the life of piano has been protected, but its overall structure installs on the piano as the additional part, cause certain damage to piano itself, and simultaneously, adopt the spring shock attenuation, the resilience vibrations of spring itself, influence its shock attenuation effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve above-mentioned technical scheme overall structure and install on the piano as the additional part, cause certain damage to piano itself, need redesign piano overall structure even, very inconvenient, simultaneously, adopt spring shock attenuation, the vibrations of kick-backing of spring itself influence its shock attenuation effect.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a piano closes and covers buffer structure, includes the device main part, device main part front side swivelling joint has buffer gear, buffer gear includes the telescopic link, telescopic link lower extreme sliding connection has the storage rod, the inside atmospheric pressure storehouse of having seted up of storage rod, the storage rod lower extreme has been seted up and has been aerifyd the thread groove, the embedded one-way pneumatic valve of installing of buffer gear lower extreme, one-way pneumatic valve includes the valve block, the valve block alternates to be installed between aerifing thread groove and atmospheric pressure storehouse.

Further lie in, the device main part includes a fagging, the fagging rear end is articulated to have No. two faggings, the side surface has seted up the dagger and has accomodate the groove on a fagging lateral surface and No. two fagging front side surfaces.

The vacuum plate supporting device is characterized in that a connecting sliding groove is formed in the bottom side of the first supporting plate and the rear side of the second supporting plate, a connecting sliding piece is connected in the connecting sliding groove in a sliding mode, limiting sliding blocks are fixedly connected to the two sides of the connecting sliding piece, and a vacuum sucker is fixedly connected to the outer side surface of each limiting sliding block.

Further lie in, buffer gear includes the installation piece No. one, no. one the installation piece articulates there is the connecting block No. one, connecting block front side both ends fixedly connected with connects the pole piece, connect the pole piece through bearing swivelling joint with connect the pole nut, it is connected with connecting stud to connect the pole nut to close soon, connecting stud fixedly connected with telescopic link, the storage rod lower extreme closes soon and is connected with connecting nut, connecting nut welding and No. two connecting block upside both ends, no. two connecting block lower extremes articulate has No. two installation pieces.

Further, a gasket is embedded in the inflation screw groove, and the connecting nut is screwed and installed in the inflation screw groove.

The valve block is characterized in that an inflation channel is formed in the front end of the valve block, one end of the inflation channel is connected with an air inlet channel, a spring plug block is movably mounted at the joint of the air inlet channel and the inflation channel, and the spring plug block is slidably mounted in the telescopic groove.

The mounting block is welded at the lower end of the supporting column accommodating groove formed in the front side of the second supporting plate, and the mounting block is welded at the front end of the supporting column accommodating groove formed in the upper side of the first supporting plate.

The utility model has the advantages that:

1. when putting down the piano lid, piano lid extrusion device main part, the telescopic link lower extreme is taken in the atmospheric pressure storehouse and is extruded atmospheric pressure storehouse inside air, increase atmospheric pressure intensity in the atmospheric pressure storehouse, and then provide a gradual increase reverse acting force to the piano lid through the telescopic link, reach the purpose of supporting the buffering, replace traditional spring and add the buffer structure of attenuator, overall structure is simpler, a large amount of costs have been reduced, possess certain adjustment function simultaneously, traditional structure spring reaction has been avoided too high, lead to the unable closed inseparable problem of piano lid.

2. The device main part of fold condition is put in piano lid articulated department, closes the lid, utilizes lid weight extrusion device main part itself, makes vacuum chuck adsorb at the musical instrument body, musical instrument lid surface, accomplishes connection work, lifts the musical instrument lid again, expandes fagging, no. two faggings to through connecting the spout and connecting the position of gleitbretter automatic regulating apparatus main part and piano laminating, easy to assemble at this in-process.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the main body of the device of the present invention;

FIG. 3 is an exploded view of the buffering mechanism of the present invention;

fig. 4 is an enlarged view of the one-way air valve of the present invention.

In the figure: 1. a device main body; 101. a first supporting plate; 102. a second supporting plate; 103. a strut receiving groove; 104. connecting the sliding chute; 105. connecting the sliding sheet; 106. a limiting slide block; 107. a vacuum chuck; 2. a buffer mechanism; 201. a first mounting block; 202. a first connecting block; 203. a rod connecting block; 204. a bearing; 205. a connecting rod nut; 206. connecting a stud; 207. a telescopic rod; 208. a storage rod; 209. an air pressure bin; 210. inflating a screw groove; 211. a gasket; 212. a connecting nut; 213. a second connecting block; 214. a second mounting block; 3. a one-way air valve; 301. a valve block; 302. an inflation channel; 303. an intake passage; 304. a spring plug; 305. a telescopic groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, a piano lid-closing buffer structure, including a device main body 1, a buffer mechanism 2 is rotatably connected to the front side of the device main body 1, the buffer mechanism 2 includes a telescopic rod 207, a receiving rod 208 is slidably connected to the lower end of the telescopic rod 207, a pneumatic chamber 209 is provided inside the receiving rod 208, an inflation screw groove 210 is provided at the lower end of the receiving rod 208, a one-way air valve 3 is embedded in the lower end of the buffer mechanism 2, the one-way air valve 3 includes a valve block 301, the valve block 301 is inserted and installed between the inflation screw groove 210 and the pneumatic chamber 209, when the piano lid is put down, the piano lid extrusion device main body 1 is provided, the lower end of the telescopic rod 207 is inserted into the pneumatic chamber 209 and extrudes the gas inside the pneumatic chamber 209, the pneumatic strength in the pneumatic chamber 209 is increased, and then a gradually increased reverse acting force is provided to the piano lid through the telescopic rod 207, the purpose of supporting and buffering is achieved, a buffer structure replacing a traditional spring and damper is provided, the overall structure is simpler, a large amount of cost is reduced, and a certain adjustment function is provided, thereby avoiding the problem that the spring reaction of the traditional structure is too high, and the piano lid cannot be closed tightly.

The device main body 1 comprises a first supporting plate 101, a second supporting plate 102 is hinged at the rear end of the first supporting plate 101, and a support column accommodating groove 103 is formed in the upper side surface of the first supporting plate 101 and the front side surface of the second supporting plate 102; a connecting sliding groove 104 is formed in the bottom side of the first supporting plate 101 and the rear side of the second supporting plate 102, a connecting sliding piece 105 is connected in the connecting sliding groove 104 in a sliding mode, limiting sliding blocks 106 are fixedly connected to the two sides of the connecting sliding piece 105, and a vacuum sucker 107 is fixedly connected to the surface of the outer side of each limiting sliding block 106; the buffer mechanism 2 comprises a first mounting block 201, the first mounting block 201 is hinged with a first connecting block 202, two ends of the front side of the first connecting block 202 are fixedly connected with a connecting rod block 203, the connecting rod block 203 is rotatably connected with a connecting rod nut 205 through a bearing 204, the connecting rod nut 205 is rotatably connected with a connecting stud 206, the connecting stud 206 is fixedly connected with a telescopic rod 207, the lower end of an accommodating rod 208 is rotatably connected with a connecting nut 212, the connecting nut 212 is welded with two ends of the upper side of a second connecting block 213, and the lower end of the second connecting block 213 is hinged with a second mounting block 214; a gasket 211 is embedded in the inflation screw groove 210, and a connecting nut 212 is screwed in the inflation screw groove 210; an inflation channel 302 is formed in the front end of the valve block 301, one end of the inflation channel 302 is connected with an air inlet channel 303, a spring plug block 304 is movably mounted at the joint of the air inlet channel 303 and the inflation channel 302, and the spring plug block 304 is slidably mounted in a telescopic groove 305; no. one installation piece 201 welds in the dagger that No. two fagging 102 front sides were seted up and accomodates groove 103 lower extreme, no. two installation pieces 214 welds in the dagger that a fagging 101 upside was seted up and accomodates groove 103 front end, put device main part 1 of fold condition in the articulated department of piano lid, close the lid, utilize lid own weight extrusion device main part 1, make vacuum chuck 107 adsorb at the musical instrument body, the musical instrument lid surface, accomplish the connection work, lift the musical instrument lid again, with a fagging 101, no. two fagging 102 expand, and through connecting spout 104 and the position of connecting gleitbretter 105 automatic regulating apparatus main part 1 and piano laminating, easy to assemble at this in-process.

The working principle is as follows: during use, the telescopic rod 207 and the storage rod 208 are rotated through the bearing 204, the connecting nut 212 is taken out of the inflation screw groove 210, the gasket 211 is uncovered to expose the opening of the inflation channel 302 of the one-way air valve 3, the air injection device is screwed into the inflation screw groove 210, the spring plug block 304 is pushed open through air pressure by utilizing the inflation channel 302 and the air inlet channel 303 to inject air into the air pressure chamber 209 for pressurization, or the spring plug block 304 is directly pushed open through an air needle, the air pressure chamber 209 is communicated, the air inlet channel 303, the inflation channel 302 and the outside are communicated, air is deflated and decompressed, the air pressure in the air pressure chamber 209 is adjusted according to the weight of a piano cover to be supported, the device main body 1 in a folded state is placed at the hinged position of the piano cover after proper adjustment, the cover body is closed, the device main body 1 is pressed by utilizing the weight of the cover body, a vacuum suction cup 107 is adsorbed on the piano body, the surface of the piano cover, the connection work is completed, the piano cover is lifted again, the first supporting plate 101 and the second supporting plate 102 is unfolded, in the process, the telescopic rod can avoid the problem that the traditional air pressure buffer device main body 207 and the buffer structure can not be tightly pressed by utilizing the connecting chute 104 and the connecting slide sheet 105 to replace the traditional air pressure buffer device main body 209, the traditional air pressure buffer structure, the traditional buffer device main body can not be gradually increased, the problem that the internal pressure buffer structure 207 can be increased, the internal pressure buffer structure can be gradually, the internal buffer structure, the internal pressure buffer structure can be reduced, and the internal buffer structure can be further, and the traditional piano cover can be reduced, and the internal buffer device can be further, the traditional high-pressure buffer device can be used for the internal buffer device.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and it is intended that all such modifications, additions and substitutions as would be apparent to one skilled in the art to the specific embodiments described are within the scope of the invention as claimed.

Claims

1. The utility model provides a piano closes and covers buffer structure, includes device main part (1), its characterized in that, device main part (1) front side swivelling joint has buffer gear (2), buffer gear (2) include telescopic link (207), telescopic link (207) lower extreme sliding connection has accomodate pole (208), accomodate pole (208) inside atmospheric pressure storehouse (209) of having seted up, it aerifys spiral shell groove (210) to accomodate pole (208) lower extreme, buffer gear (2) lower extreme embedded one-way pneumatic valve (3) of installing, one-way pneumatic valve (3) include valve block (301), valve block (301) alternate and install between aerifing spiral shell groove (210) and atmospheric pressure storehouse (209).

2. A piano cover closing buffer structure according to claim 1, wherein the device body (1) comprises a first supporting plate (101), the rear end of the first supporting plate (101) is hinged with a second supporting plate (102), and the upper side surface of the first supporting plate (101) and the front side surface of the second supporting plate (102) are provided with strut receiving grooves (103).

3. The piano cover closing buffer structure according to claim 2, wherein a connecting sliding slot (104) is formed in the bottom side of the first supporting plate (101) and the rear side of the second supporting plate (102), a connecting sliding piece (105) is slidably connected in the connecting sliding slot (104), two sides of the connecting sliding piece (105) are fixedly connected with limiting sliding blocks (106), and the outer side surface of each limiting sliding block (106) is fixedly connected with a vacuum chuck (107).

4. The piano close cover buffer structure according to claim 3, wherein the buffer mechanism (2) comprises a first installation block (201), the first installation block (201) is hinged to a first connection block (202), two ends of the front side of the first connection block (202) are fixedly connected with rod connection blocks (203), the rod connection blocks (203) are rotatably connected with rod connection nuts (205) through bearings (204), the rod connection nuts (205) are rotatably connected with connection studs (206), the connection studs (206) are fixedly connected with telescopic rods (207), the lower ends of the containing rods (208) are rotatably connected with connection nuts (212), the connection nuts (212) are welded to two ends of the upper side of a second connection block (213), and the lower ends of the second connection block (213) are hinged to a second installation block (214).

5. A piano lid buffering structure according to claim 4, wherein a gasket (211) is embedded in the air inflation screw groove (210), and the connection nut (212) is screwed and installed in the air inflation screw groove (210).

6. The piano cover closing buffer structure according to claim 5, wherein an inflation channel (302) is formed in the front end of the valve block (301), one end of the inflation channel (302) is connected with an air inlet channel (303), a spring plug block (304) is movably installed at the joint of the air inlet channel (303) and the inflation channel (302), and the spring plug block (304) is slidably installed in the telescopic groove (305).

7. The cover closing buffer structure for piano as claimed in claim 6, wherein said first mounting block (201) is welded to the lower end of the supporting pillar receiving groove (103) formed on the front side of the second supporting plate (102), and said second mounting block (214) is welded to the front end of the supporting pillar receiving groove (103) formed on the upper side of the first supporting plate (101).