CN211404016U

CN211404016U - Piano damper helping to avoid looseness

Info

Publication number: CN211404016U
Application number: CN202020015941.3U
Authority: CN
Inventors: 王放歌
Original assignee: Tonghua Normal University
Current assignee: Tonghua Normal University
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-09-01
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a help avoiding not hard up piano sound damper, including sound damper member, tail-stock and chamois leather cover, the intermediate position of sound damper member is connected with the sound damper pedestal, and the left end of sound damper pedestal is connected with the elastic pressing piece, chamois leather cover cup joints in the right-hand member position of tail-stock, and both ends are all laminated and have the grip block about the surface of tail-stock and chamois leather cover, both ends all run through about the inside of grip block and install the gag lever post, and the end of gag lever post installs the stopper, the spread groove has been seted up to the left end position of sound damper member, the lubricated fillet of iron is installed to the below of elastic pressing piece, and the equal fixed mounting in both ends has the supporting shoe about the bottom of the lubricated fillet of iron, the inside through installation of supporting shoe has the screw rod. This help avoiding not hard up piano damper not only can improve the tone quality of piano through chamois leather cover, can prevent moreover that the internals is not hard up.

Description

Piano damper helping to avoid looseness

Technical Field

The utility model relates to a piano damper technical field specifically is a piano damper that helps avoiding becoming flexible.

Background

The piano dampers are closely attached to the strings for preventing the vibrations of the strings, when the keys are depressed, hammers inside the piano are struck on a string of copper strings to make sounds by the vibrations of the strings, and there are many parts on the dampers to be fastened.

At present piano damper commonly used, not only can not improve the tone quality of piano through chamois leather cover, can not prevent moreover that the internals is not hard up, consequently, we propose a piano damper that helps avoiding not hard up to in the solution above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a help avoiding not hard up piano damper to solve the present commonly used piano damper that above-mentioned background art provided, not only can not improve the tone quality of piano through the chamois leather cover, can not prevent the not hard up problem of internals moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a piano damper for preventing looseness is composed of a damper rod with central damper axle holder, tail rod and chamois cover, the left end of the damper shaft bracket is connected with an elastic pressing sheet, the tail rod is embedded and penetrated at the right end of the damper rod piece, the right end of the tail rod is provided with a limit groove, the chamois leather sleeve is sleeved at the rightmost end of the tail rod, the left end and the right end of the outer surfaces of the tail rod and the chamois leather sleeve are respectively jointed with a clamping block, the upper end and the lower end of the inner part of the clamping block are respectively provided with a limit rod in a penetrating way, and the tail end of the limiting rod is provided with a limiting block, the left end of the damper rod piece is provided with a connecting groove, an iron lubricating insertion strip is arranged below the elastic pressing piece, and supporting blocks are fixedly arranged at the left end and the right end of the bottom of the iron lubricating insertion strip, and a screw rod is arranged in the supporting blocks in a penetrating mode.

Preferably, the damper shaft bracket is hinged with the elastic pressing sheet, and the damper shaft bracket is obliquely arranged on the damper rod piece.

Preferably, the tail rod and the damper rod piece are of an integrated structure, and the right end of the tail rod is of a threaded structure.

Preferably, a circular structure is formed between the clamping block monomers, and the thickness of the clamping block is smaller than the distance from the limiting groove to the tail rod.

Preferably, a front-back sliding structure is formed between the support block fixedly mounted at the bottom of the iron lubricating insertion strip and the damper rod piece, and the damper rod piece is fixedly arranged with the support block through a screw rod.

Preferably, the iron lubricating insertion strip and the elastic pressing sheet are connected in an overlapping mode, and the vertical section of the upper surface of the iron lubricating insertion strip is a curved surface.

Compared with the prior art, the beneficial effects of the utility model are that: the piano damper which is beneficial to avoiding looseness can not only improve the tone quality of a piano through the chamois cover, but also prevent internal parts from loosening;

1. a circular structure is formed between the clamping block monomers, the clamping block is tightly attached to the outer surface of the chamois leather sleeve, the chamois leather sleeve is fixed through threaded connection between the limiting rod and the limiting block, meanwhile, the chamois leather sleeve is convenient to replace, and the tone quality of a piano can be improved through the chamois leather sleeve;

2. the upper surface of the iron lubricating insertion strip is tightly attached to the elastic pressing sheet, a rotating structure is formed between the elastic pressing sheet and the elastic pressing sheet, and the elastic pressing sheet can be free of noise in the moving process through the iron lubricating insertion strip;

3. through constitute fore-and-aft sliding structure between supporting shoe and the sound making ware member, be convenient for insert the supporting shoe in the sound making ware member to fix through the screw rod, because screw rod, sound making ware member and the lubricated fillet of iron are the metal material, adopt welding technique to fix the three, avoid the three to take place not hard up phenomenon when using.

Drawings

FIG. 1 is a front sectional structure of the present invention;

FIG. 2 is a schematic view of a side view of the connection between the chamois leather case and the clamping block of the present invention;

FIG. 3 is a schematic view of the structure of the damper rod and the support block in front view;

fig. 4 is a front view structure schematic diagram of the connection between the tail rod and the chamois leather sleeve of the present invention.

In the figure: 1. a damper rod member; 2. a damper pedestal; 3. elastic tabletting; 4. a tail rod; 5. a limiting groove; 6. chamois leather covers; 7. a clamping block; 8. a limiting rod; 9. a limiting block; 10. connecting grooves; 11. an iron lubricating fillet; 12. a support block; 13. a screw.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a piano damper helping to avoid looseness comprises a damper rod piece 1, a damper shaft bracket 2, an elastic pressing piece 3, a tail rod 4, a limiting groove 5, a chamois leather sleeve 6, a clamping block 7, a limiting rod 8, a limiting block 9, a connecting groove 10, an iron lubricating insertion strip 11, a supporting block 12 and a screw 13, wherein the damper shaft bracket 2 is connected to the middle position of the damper rod piece 1, the elastic pressing piece 3 is connected to the left end of the damper shaft bracket 2, the damper shaft bracket 2 is hinged to the elastic pressing piece 3, the damper shaft bracket 2 is obliquely arranged on the damper rod piece 1, the elastic pressing piece 3 can enable a felt piece on the damper and an additional felt piece on an additional device to be tightly attached to a string, the tail rod 4 is embedded and penetratingly installed at the right end position of the damper rod piece 1, the limiting groove 5 is formed in the right end of the tail rod 4, and the damper rod piece 1 are of an integrated structure, and the right-hand member of tail-bar 4 is the screw thread column structure, can avoid chamois leather sheath 6 to drop from tail-bar 4, chamois leather sheath 6 cup joints the rightmost end position at tail-bar 4, and both ends are all laminated and have clutch block 7 about tail-bar 4 and chamois leather sheath 6's the surface, constitute circular structure between the clutch block 7 monomer, and clutch block 7's thickness is less than the distance between spacing groove 5 to the tail-bar 4, clutch block 7 can fix chamois leather sheath 6, both ends are all run through and are installed gag lever post 8 about clutch block 7's inside, and stopper 9 is installed to the end of gag lever post 8, spread groove 10 has been seted up to the left end position of sound making ware member 1, iron lubrication fillet 11 is installed to the below of elasticity preforming 3, and the equal fixed mounting in both ends has supporting shoe 12 about lubrication fillet 11's the bottom, the inside of supporting shoe 12 runs through installs screw rod 13.

As shown in fig. 3, a front-back sliding structure is formed between the support block 12 fixedly installed at the bottom of the iron lubricating fillet 11 and the damper rod 1, and the damper rod 1 is fixedly arranged with the support block 12 through the screw 13, the iron lubricating fillet 11 can prevent the elastic pressing sheet 3 from generating noise in the moving process.

As shown in fig. 3, the iron lubricating insertion strip 11 and the elastic pressing sheet 3 are connected in an overlapping manner, the vertical section of the upper surface of the iron lubricating insertion strip 11 is a curved surface, and the elastic pressing sheet 3 can be tightly attached to the iron lubricating insertion strip 11.

The working principle is as follows: when the piano damper helping to avoid looseness is used and a piano is played, after a key is pressed down, a rear arm of a lever is lifted upwards to drive a linkage to rotate around a pintle, the prior structural technology and the principle of the piano are described on the linkage, details are not given, a damper rod piece 1 is pushed to rotate, a felt piece on the damper and an additional felt piece on an additional device are separated from the string, the string can vibrate and sound, after the key is loosened, the felt piece on the damper and the additional felt piece on the additional device are tightly attached to the string under the action of an elastic pressing sheet 3 to stop the vibration of the string, a tail lever 4 is fixedly installed at the tail end of the damper rod piece 1, a chamois cover 6 is sleeved at the tail end of the tail lever 4, a limiting groove 5 is formed at the right end of the tail lever 4, a circular structure is formed between single clamping blocks 7, and the clamping blocks 7 are tightly attached to the outer surface of the chamois cover 6, the left end of the chamois leather sleeve 6 is attached to the inside of the limiting groove 5, the chamois leather sleeve 6 is fixed through threaded connection between the limiting rod 8 and the limiting block 9, meanwhile, the chamois leather sleeve 6 is convenient to replace, the tone quality of a piano can be improved through the chamois leather sleeve 6, the elastic pressing sheet 3 can be free of noise generation in the moving process through the iron lubricating fillet 11, the supporting block 12 is fixedly installed at the bottom of the iron lubricating fillet 11, a front-back sliding structure is formed between the supporting block 12 and the damper rod piece 1, the supporting block 12 is convenient to insert into the damper rod piece 1, the iron lubricating fillet 11 is fixed at the upper position of the damper rod piece 1 through the screw 13, and the screw 13, the damper rod piece 1 and the iron lubricating fillet 11 are made of metal materials and are fixed by adopting a welding technology, so that the phenomenon that the three are prevented from loosening when in use, this is the entire process of operation of the piano damper which helps to avoid loosening.

Those not described in detail in this specification are within the skill of the art. The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a help avoiding not hard up piano damper, includes damper member (1), tail-stock (4) and chamois leather cover (6), its characterized in that: the middle position of the sound making device rod piece (1) is connected with a sound making device shaft bracket (2), the left end of the sound making device shaft bracket (2) is connected with an elastic pressing piece (3), the tail rod (4) is embedded and penetrated through to be installed at the right end position of the sound making device rod piece (1), the right end of the tail rod (4) is provided with a limiting groove (5), the chamois leather sleeve (6) is sleeved at the rightmost end position of the tail rod (4), the left end and the right end of the outer surfaces of the tail rod (4) and the chamois leather sleeve (6) are respectively laminated with a clamping block (7), the upper end and the lower end of the inside of the clamping block (7) are respectively penetrated and installed with a limiting rod (8), the tail end of the limiting rod (8) is provided with a limiting block (9), the left end position of the sound making device rod piece (1) is provided with a connecting groove (10), an iron fillet is installed below the elastic pressing piece (3), and the left end and the right end of the bottom, and a screw (13) is arranged in the supporting block (12) in a penetrating way.

2. A piano damper for helping to avoid looseness according to claim 1, wherein: the damper shaft bracket (2) is hinged with the elastic pressing sheet (3), and the damper shaft bracket (2) is obliquely arranged on the damper rod piece (1).

3. A piano damper for helping to avoid looseness according to claim 1, wherein: the tail rod (4) and the damper rod piece (1) are of an integrated structure, and the right end of the tail rod (4) is of a thread-shaped structure.

4. A piano damper for helping to avoid looseness according to claim 1, wherein: a circular structure is formed between the clamping blocks (7) and the single bodies, and the thickness of each clamping block (7) is smaller than the distance between each limiting groove (5) and the corresponding tail rod (4).

5. A piano damper for helping to avoid looseness according to claim 1, wherein: a front-back sliding structure is formed between a support block (12) fixedly mounted at the bottom of the iron lubricating insertion strip (11) and the damper rod piece (1), and the damper rod piece (1) is fixedly arranged with the support block (12) through a screw (13).

6. A piano damper for helping to avoid looseness according to claim 1, wherein: the iron lubricating insertion strip (11) and the elastic pressing sheet (3) are connected in an overlapping mode, and the vertical section of the upper surface of the iron lubricating insertion strip (11) is a curved surface.