CN111798815B

CN111798815B - Clamping device for multiple continuous piano stay bars

Info

Publication number: CN111798815B
Application number: CN202010620247.9A
Authority: CN
Inventors: 万书亮; 孟爽; 李窦逗; 董吉; 沈雨洁
Original assignee: Changchun University
Current assignee: Changchun University
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2023-05-19
Anticipated expiration: 2040-06-30
Also published as: CN111798815A

Abstract

The invention discloses a clamping device for a plurality of continuous piano stay bars, which comprises a fixed plate and a plurality of stay bar bodies, wherein a plurality of slots are formed in the outer wall of the fixed plate, the end parts of the stay bar bodies are inserted into the slots, a disc is arranged in the middle of the fixed plate, a plurality of clamping bars are fixedly connected to the outer wall of the disc, the end parts of each clamping bar respectively extend to the inside of one slot, a gear is arranged on the lower side wall of the fixed plate, an opening is formed in the middle of the fixed plate, a bearing is fixedly embedded in the opening, a rotating shaft is fixedly embedded in the inner ring of the bearing, and two ends of the rotating shaft are respectively fixedly connected with the lower side wall of the disc and the upper side wall of the gear. According to the invention, the rotation of the disc is realized through the movement of the adjusting mechanism, so that the end part of the clamping rod is inserted into the slot to be abutted against the outer wall of the supporting rod body, the clamping work of a plurality of supporting rod bodies is finished, and the whole movement and the stability during placement are facilitated through the extension and retraction of the idler wheels.

Description

Clamping device for multiple continuous piano stay bars

Technical Field

The invention relates to the technical field of pianos, in particular to a clamping device for a plurality of continuous piano stay bars.

Background

The piano is a keyboard musical instrument in classical music, and has a American name of "king of musical instrument". Consists of 88 keys (52 white keys, 36 black keys) and a metal string soundboard.

Almost all of the musical tones in the musical tone system are covered, and the musical instrument having the widest range of tones except for the organ. Pianos are commonly used for performances such as solo, accent, accompaniment, etc. Good musical compositions are conveyed to the audience through the very proficiency of the performer, where the musical performance should be dominated by emotion and should be a combination of perceptual and rational. The first blazing skill is music without soul, so that the two are organically compatible and dependent to obtain ideal sound effects. So that a high skill is also required for playing the piano.

The stay bar is the component part of piano, and the placing process of stay bar needs to press from both sides tightly fixedly to the stay bar again, avoids the stay bar to rock or fall down the stay bar damage that causes, and can only accomplish the centre gripping of single stay bar to the placing process of stay bar at present, can not carry out the centre gripping of a plurality of stay bars simultaneously and place.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a plurality of continuous piano stay rod clamping devices.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a plurality of continuous piano vaulting pole clamping device, includes fixed plate and a plurality of vaulting pole body, a plurality of slots have been seted up on the outer wall of fixed plate, the tip of vaulting pole body is inserted and is established in the slot, the middle part of fixed plate is equipped with the disc, fixedly connected with a plurality of clamping levers on the outer wall of disc, every the tip of clamping lever extends to the inside of one of them slot respectively, the lower lateral wall of fixed plate is equipped with the gear, the opening has been seted up at the middle part of fixed plate, the fixed bearing that has inlayed in the opening, the inner circle fixed the inlaying of bearing has the pivot, the both ends of pivot respectively with the lower lateral wall of disc and the last lateral wall fixed connection of gear, two the lower lateral wall symmetry of fixed plate is fixed with two link plates, fixedly connected with diaphragm between the link plates, the lower lateral wall fixedly connected with of diaphragm is the support that triangle-shaped sets up, fixedly connected with bull stick on one side inner wall of support, the drive end fixedly connected with of motor is one that the level sets up, the opening has the opening, the inner wall of two equal screw rods of two equal sets of two side walls of two equal rotation thread plates, two side walls of two equal connection of two side plates have two rotation.

Preferably, each clamping rod is fixedly connected with a rubber block at one end in the slot.

Preferably, the upper side wall of the fixed plate is rotationally connected with a baffle, a first magnet block is fixedly embedded on the outer wall of the fixed plate, and a second magnet block with opposite magnetism is fixedly connected with the end part of the baffle.

Preferably, the number of the rollers is four, and the rollers are positioned at four corners of the mounting plate.

Preferably, the guiding rod that is L type setting is including fixing at the fixed plate lower side wall to adjustment mechanism, the cover is equipped with the pinion rack first that meshes with the gear on the outer wall of guiding rod, the spout has been seted up to the tip of pinion rack first, the tip of guiding rod is inserted and is established in the spout, and fixedly connected with extension spring between the tip of guiding rod and the inner wall of spout, the lower side wall of fixed plate still fixedly connected with nut, nut internal thread connection has the bolt, the tip of bolt is kept away from the one end setting of guiding rod towards the pinion rack first.

Preferably, the adjustment mechanism comprises two symmetrically arranged limit rods fixed on the lower side wall of the fixed plate, two toothed plates II meshed with the gears are arranged between the limit rods, limit grooves matched with the size and the position of the limit rods are formed in the two ends of the toothed plates II, the lower side wall of the fixed plate is fixedly connected with a sleeve, a supporting rod is inserted into the end of the sleeve, steel balls are fixedly connected to the end of the supporting rod, a reset spring is fixedly connected between one end of the sleeve and the inner wall of the sleeve, and a plurality of arc-shaped openings are formed in one side, close to the sleeve, of the toothed plates II, and the diameter of each arc-shaped opening is larger than that of each steel ball.

Compared with the prior art, the clamping device for the multiple continuous piano stay bars has the advantages that:

1. the clamping device comprises a supporting rod body, a clamping mechanism, a clamping rod, a regulating mechanism, a disc and a clamping mechanism, wherein the clamping mechanism is arranged, the disc is driven to rotate through the movement of the regulating mechanism, so that the end part of the clamping rod is inserted into a slot to be abutted against the outer wall of the supporting rod body, and the clamping and fixing of a plurality of supporting rods are completed;

2. the baffle is arranged, and after the stay bar body is placed in the fixed plate, the baffle is rotated to the upper side wall of the fixed plate, so that ash falling on the surface of the stay bar body is avoided;

3. the motor, the first rotating rod, the second rotating rod, the sliding blocks, the mounting plates and the rollers are arranged, the first rotating rod is driven to rotate through the motor, the two sliding blocks move in opposite directions or in opposite directions through the threaded connection of the threaded rods and the sliding blocks, when the two sliding blocks move inwards, the end parts of the second rotating rods move inwards, the lower ends of the second rotating rods move downwards, the mounting plates and the rollers are driven to move downwards, the rollers are enabled to be in contact with the ground, and the rollers can drive the fixing plates and the supports to move;

in summary, the rotation of the disc is realized through the movement of the adjusting mechanism, so that the end part of the clamping rod is inserted into the slot to be abutted against the outer wall of the supporting rod body, the clamping work of a plurality of supporting rod bodies is finished, and the whole movement and the stability during placement are facilitated through the extension and retraction of the rollers.

Drawings

Fig. 1 is a top view of a multiple continuous piano brace clamping device according to the present invention;

fig. 2 is a schematic structural view of a first embodiment of a clamping device for a plurality of continuous piano braces according to the present invention;

FIG. 3 is a side view of one embodiment of a multiple continuous piano brace clamping device according to the present invention;

fig. 4 is a schematic structural view of a second embodiment of a plurality of continuous piano stay clamping devices according to the present invention.

In the figure: 1 fixed plate, 2 slot, 3 vaulting pole body, 4 disc, 5 clamping lever, 6 rubber blocks, 7 gear, 8 pinion rack I, 9 guide bar, 10 extension spring, 11 nut, 12 bolt, 13 link plate, 14 pinion rack II, 15 gag lever post, 16 sleeve pipe, 17 reset spring, 18 butt pole, 19 steel ball, 20 arc mouth, 21 diaphragm, 22 support, 23 motor, 24 bull stick I, 25 slider, 26 bull stick II, 27 mounting panel, 28 gyro wheel, 29 baffle, 30 magnet piece I, 31 magnet piece II.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Example 1

Referring to fig. 1-3, a plurality of continuous piano vaulting pole clamping device, including fixed plate 1 and a plurality of vaulting pole body 3, a plurality of slots 2 have been seted up on the outer wall of fixed plate 1, the tip of vaulting pole body 3 is inserted and is established in slot 2, the middle part of fixed plate 1 is equipped with disc 4, fixedly connected with a plurality of clamping bars 5 on the outer wall of disc 4, the tip of every clamping bar 5 extends to the inside of one of them slot 2 respectively, the equal fixedly connected with rubber piece 6 of one end that every clamping bar 5 is located slot 2, set up the frictional force between rubber piece 6 increase clamping bar 5 tip and the vaulting pole body 3 outer wall, guarantee the stability of clamping bar 5 to the centre gripping of vaulting pole body 3.

The upper side wall of the fixed plate 1 is rotationally connected with a baffle 29, a first magnet block 30 is fixedly embedded on the outer wall of the fixed plate 1, a second magnet block 31 with opposite magnetism is fixedly connected with the first magnet block 30 at the end part of the baffle 29, the support rod body 3 is inserted into the slot 2 to be clamped, the baffle 29 is rotated to the upper side wall of the fixed plate 1, dust falling on the surface of the support rod body 3 is avoided, and meanwhile, the baffle 29 is adsorbed and fixed through adsorption between the first magnet block 30 and the second magnet block 31, so that shaking of the baffle 29 is avoided.

The lower lateral wall of fixed plate 1 is equipped with gear 7, the opening has been seted up at the middle part of fixed plate 1, the opening internal fixation inlays and is equipped with the bearing, the fixed embedding of inner circle of bearing is equipped with the pivot, the both ends of pivot respectively with the lower lateral wall of disc 4 and the last lateral wall fixed connection of gear 7, the lower lateral wall of fixed plate 1 is equipped with adjustment mechanism, adjustment mechanism is including fixing the deflector rod 9 that is L type setting at the lower lateral wall of fixed plate 1, the cover is equipped with toothed bar one 8 with gear 7 engaged with on the outer wall of deflector rod 9, the spout has been seted up to the tip of toothed bar one 8, the tip of deflector rod 9 is inserted and is established in the spout, and fixedly connected with telescopic spring 10 between the tip of deflector rod 9 and the inner wall of spout, the lower lateral wall of fixed plate 1 still fixedly connected with nut 11, threaded connection has bolt 12 in the nut 11, the tip of bolt 12 keeps away from the one end setting of deflector rod 9 towards toothed bar one 8, inwards rotate into bolt 12, the tip of bolt 12 promotes toothed bar one 8 and moves through toothed bar one 8 and gear 7's meshing drive gear 7 and disc 4 reverse rotation, the tip of deflector rod 5 is kept away from body 2, when the tip of deflector rod 3 is kept away from 3 to the body 3 and the inside the body is rotated to the opposite direction 3, the body is rotated to the tip of the body is rotated to the opposite direction 3, and the body is rotated to the tip 3 is rotated to the outside of the telescopic spring 3 is moved to the body after the body is rotated to the tip 3 is rotated to the opposite to the body 3, and is rotated to the tip 3 is moved to the tip is rotated to the inside and is moved to the inside and is rotated to the body.

The lower lateral wall symmetry of fixed plate 1 is fixed with two link plates 13, fixedly connected with diaphragm 21 between two link plates 13, the lower lateral wall fixedly connected with of diaphragm 21 is triangle-shaped support 22 that sets up, fixedly connected with motor 23 on the one side inner wall of support 22, motor 23's drive end fixedly connected with is the bull stick one 24 that the level set up, bull stick one 24 is rotated to different threaded rods by two screw threads and constitutes, equal threaded connection has slider 25 on the outer wall of every threaded rod, still fixedly connected with straight-bar on the inner wall of support 22, two sliders 25 all overlap and establish on the outer wall of straight-bar, the equal rotation of lower lateral wall of two sliders 25 is connected with two bull sticks two 26, the lower extreme joint rotation of two bull sticks two 26 is connected with mounting panel 27, a plurality of gyro wheels 28 are installed to the lower lateral wall of mounting panel 27, the quantity of gyro wheel 28 is four, and be located the four corners department of mounting panel 27, when fixed plate 1 removes, start motor 23 drives two threaded rods and rotate, limit through the bull stick 25, equal threaded connection of threaded rod and slider 25 realizes that the up and slider 25 carries out the rotation, two threaded rods 25 are down moved at two opposite sides at two screw rods 25, two opposite sides and two opposite sides of the screw rod 25 are realized, two end support 28 are moved down to the manual contact with the two, when two side plate 25 need to move down, and two side support 28 are moved down, and two side face down, and the manual contact plate is moved down, and the side plate is moved down and is moved to the opposite side 28.

Example two

Referring to fig. 2-4, a plurality of continuous piano vaulting pole clamping device, including fixed plate 1 and a plurality of vaulting pole body 3, a plurality of slots 2 have been seted up on the outer wall of fixed plate 1, the tip of vaulting pole body 3 is inserted and is established in slot 2, the middle part of fixed plate 1 is equipped with disc 4, fixedly connected with a plurality of clamping bars 5 on the outer wall of disc 4, the tip of every clamping bar 5 extends to the inside of one of them slot 2 respectively, the equal fixedly connected with rubber piece 6 of one end that every clamping bar 5 is located slot 2, set up the frictional force between rubber piece 6 increase clamping bar 5 tip and the outer wall of vaulting pole body 3, guarantee the stability of clamping bar 5 to the centre gripping of vaulting pole body 3.

The lower side wall of the fixed plate 1 is provided with a gear 7, the middle part of the fixed plate 1 is provided with an opening, a bearing is fixedly embedded in the opening, an inner ring of the bearing is fixedly embedded with a rotating shaft, two ends of the rotating shaft are respectively fixedly connected with the lower side wall of the disc 4 and the upper side wall of the gear 7, the lower side wall of the fixed plate 1 is provided with an adjusting mechanism, the adjusting mechanism comprises two symmetrically arranged limiting rods 15 fixed on the lower side wall of the fixed plate 1, a toothed plate two 14 meshed with the gear 7 is arranged between the two limiting rods 15, two ends of the toothed plate two 14 are provided with limiting grooves matched with the limiting rods 15 in size and position, the lower side wall of the fixed plate 1 is fixedly connected with a sleeve 16, the end part of the sleeve 16 is inserted with a supporting rod 18, the end part of the supporting rod 18 is fixedly connected with a steel ball 19, one end of the supporting rod 18 is positioned between one end of the sleeve 16 and the inner wall of the sleeve 16 is fixedly connected with a reset spring 17, A plurality of arc openings 20 are formed in one side, close to the sleeve 16, of the toothed plate II 14, the diameter of each arc opening 20 is larger than that of each steel ball 19, the toothed plate II 14 is manually pushed to move by people, the outer wall of the toothed plate II 14 is contacted with the steel balls 19 to squeeze the steel balls 19 to move towards one side of the sleeve 16, when the positions of the steel balls 19 and the arc openings 20 are opposite, the supporting rods 18 are ejected out under the reverse elasticity of the reset springs 17, the steel balls 19 are clamped into the arc openings 20 to fix the toothed plate II 14, the diameter of each arc opening 20 is large, the radian of each arc opening 20 is small, the steel balls 19 are convenient to separate, when the toothed plate II 14 moves, the toothed plate II 14 is meshed with the gear 7 to drive the gear 7 and the disc 4 to rotate, and the disc 4 drives the end part of the clamping rod 5 to be inserted into the slot 2 to abut against the outer wall of the supporting rod body 3, and the fixing of the supporting rod body 3 is completed.

Further, the above-described fixed connection is to be understood in a broad sense, unless explicitly stated and defined otherwise, as being, for example, welded, glued, or integrally formed, as is well known to those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A plurality of continuous piano stay bar clamping devices, including fixed plate (1) and a plurality of stay bar body (3), its characterized in that, a plurality of slots (2) have been seted up on the outer wall of fixed plate (1), the tip of stay bar body (3) is inserted and is established in slot (2), the middle part of fixed plate (1) is equipped with disc (4), fixedly connected with a plurality of clamping bars (5) on the outer wall of disc (4), every the tip of clamping bar (5) extends to the inside of one of them slot (2) respectively, the lower lateral wall of fixed plate (1) is equipped with gear (7), the opening has been seted up at the middle part of fixed plate (1), the opening intussuseption is equipped with the bearing, the inner circle fixed inlay of bearing is equipped with the pivot, the both ends of pivot respectively with the lower lateral wall of disc (4) and the last lateral wall fixed connection of gear (7), the lower lateral wall of fixed plate (1) is equipped with adjustment mechanism, the lower lateral wall symmetry of fixed plate (1) is fixed with two link plates (13), two link plates (21) are connected with motor (21) and are connected with one side wall (23) and are fixed with one side wall (23) of triangle-shaped, link plate (21) is fixed connection has one side (23), the first rotating rod (24) is composed of two threaded rods which are different in rotation directions, each threaded rod is provided with a sliding block (25) in threaded connection with the outer wall of each threaded rod, a straight rod is fixedly connected to the inner wall of each support (22), the sliding blocks (25) are sleeved on the outer wall of each straight rod, the lower side walls of the sliding blocks (25) are respectively connected with two second rotating rods (26) in a rotating mode, the lower ends of the second rotating rods (26) are connected with a mounting plate (27) in a rotating mode, and a plurality of rollers (28) are mounted on the lower side walls of the mounting plates (27).

2. A device for clamping a plurality of continuous piano braces according to claim 1, characterized in that each of said clamping rods (5) is fixedly connected with a rubber block (6) at one end thereof located in the slot (2).

3. The clamping device for the plurality of continuous piano stay bars according to claim 1, wherein the upper side wall of the fixed plate (1) is rotatably connected with a baffle plate (29), a first magnet block (30) is fixedly embedded on the outer wall of the fixed plate (1), and a second magnet block (31) with opposite magnetism is fixedly connected with the end part of the baffle plate (29) and the first magnet block (30).

4. The multiple continuous piano stay clamping device according to claim 1, wherein the number of the rollers (28) is four and located at four corners of the mounting plate (27).

5. The clamping device for the plurality of continuous piano stay bars according to claim 1, wherein the adjusting mechanism comprises a guide rod (9) which is fixed on the lower side wall of the fixed plate (1) and is arranged in an L shape, a toothed plate I (8) meshed with the gear (7) is sleeved on the outer wall of the guide rod (9), a sliding groove is formed in the end portion of the toothed plate I (8), the end portion of the guide rod (9) is inserted into the sliding groove, a telescopic spring (10) is fixedly connected between the end portion of the guide rod (9) and the inner wall of the sliding groove, a nut (11) is fixedly connected to the lower side wall of the fixed plate (1), a bolt (12) is connected to the inner thread of the nut (11), and the end portion of the bolt (12) faces towards one end, far away from the guide rod (9), of the toothed plate I (8).

6. The clamping device for the multiple continuous piano stay bars according to claim 1, characterized in that the adjusting mechanism comprises two symmetrically arranged limiting rods (15) fixed on the lower side wall of the fixed plate (1), two toothed plates (14) meshed with the gears (7) are arranged between the limiting rods (15), limiting grooves matched with the limiting rods (15) in size and position are formed in two ends of the toothed plates (14), a sleeve (16) is fixedly connected to the lower side wall of the fixed plate (1), a supporting rod (18) is inserted into the end portion of the sleeve (16), steel balls (19) are fixedly connected to the end portion of the supporting rod (18), a reset spring (17) is fixedly connected between one end of the supporting rod (18) and the inner wall of the sleeve (16), multiple arc-shaped openings (20) are formed in one side, close to the sleeve (16), of the toothed plates (14), and the diameters of the arc-shaped openings (20) are larger than those of the steel balls (19).