CN210403152U

CN210403152U - Piano key pressing structure

Info

Publication number: CN210403152U
Application number: CN201920915044.5U
Authority: CN
Inventors: 金勇�
Original assignee: Beijing Jiangjie Piano City Co Ltd
Current assignee: Beijing Jiangjie Piano City Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-24
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a piano key structure of pressing structure technical field, including the white key, the top right side of white key is equipped with the black key, the left side of black key is equipped with the key board of pressing that sets up at the white key top, the left side of white key is equipped with key subgroup, the bottom of key subgroup is fixed and is provided with well wood, the left side wall of key board is connected with the reinforcing plate through the binding fastening, the left side wall center department of reinforcing plate is fixed and is provided with horizontal dead lever, the bottom left side of horizontal dead lever is equipped with the longitudinal fixation pole through the activity of the latch connector, and the bottom of longitudinal fixation pole and well wood spiro union can play strong constraint effect to the deformation of key board through the reinforcing plate to avoid the deformation of key board as far as possible, can form a triangle-shaped through horizontal dead lever, longitudinal fixation pole and well wood, therefore, the reinforcing effect on the key pressing plate is better realized through the reinforcing plate.

Description

Piano key pressing structure

Technical Field

The utility model relates to a key structure technical field is pressed to the piano specifically is a key structure is pressed to piano.

Background

The piano key pressing plate is a straight rod which stretches across the piano keyboard, two ends of the straight rod are fixedly connected with the side wall of the piano, the key pressing plate is positioned at the junction of a visible part and a hidden part of the keyboard and mainly used for limiting keys on the keyboard, the distance between the lower surface of the piano key and a white key and the distance between the front surface of the piano key and the end part of a black key both need to meet the requirements, otherwise, the normal movement of the keys is influenced, and the key pressing plate is long and is of a wood structure, and only two ends of the key pressing plate are fixed, so that the piano key pressing plate is easy to deform and does not meet the use requirements; even if the high-rigidity and non-deformable wood is adopted for manufacturing, the key pressing plate still can deform to a certain extent in the using process, so that the use of the piano is influenced, and therefore the piano key pressing structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano presses key structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piano keying structure, includes the white key, the top right side of white key is equipped with the black key, the left side of black key is equipped with the pressure keypad that sets up at the white key top, the left side of white key is equipped with key subgroup, the fixed well wood that is provided with in bottom of key subgroup, there is the reinforcing plate through binding ware fastening connection on the left side wall of pressure keypad, the fixed horizontal dead lever that is provided with in left side wall center department of reinforcing plate, the bottom left side of horizontal dead lever is equipped with longitudinal fixing pole through the joint ware activity, just the bottom and the well wood spiro union of longitudinal fixing pole.

Preferably, a first guide hole is formed in the left side wall of the reinforcing plate, and a first assembling cavity communicated with the first guide hole is formed in the right side wall of the reinforcing plate.

Preferably, the fastener comprises a polished rod matched with the first guide hole, a first adjusting plate is fixedly connected to the left end of the polished rod, and a screw rod in threaded connection with the first assembling cavity is fixedly connected to the right end of the polished rod after the right end of the polished rod extends to the first assembling cavity.

Preferably, a thread groove corresponding to the first assembling cavity is formed in the left side wall of the key pressing plate, and the thread groove is matched with the screw rod.

Preferably, a second guide hole is formed in the left side of the top of the transverse fixing rod, and a second assembly cavity communicated with the second guide hole is formed in the left side of the bottom of the transverse fixing rod.

Preferably, the joint ware includes the guide bar with second guiding hole looks adaptation, the top fixedly connected with second regulating plate of guide bar, fixedly connected with joint piece behind the second assembly cavity is extended to the bottom of guide bar, the top fixedly connected with of joint piece sets up the supporting spring in the guide bar outer wall outside, the inner wall top of supporting spring's top fixedly connected with second assembly cavity.

Preferably, the top of the longitudinal fixing rod is provided with a clamping groove matched with the clamping block, and the outer wall of the bottom of the longitudinal fixing rod is provided with a thread section.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, pass through the binding with the reinforcing plate and press keypad fixed connection, can play strong constraint effect to the deformation of pressing the keypad through the reinforcing plate, thereby avoid pressing the deformation of keypad as far as, and carry out the joint with horizontal dead lever and longitudinal fixity pole through the joint ware, can realize horizontal spacing to the reinforcing plate, further limited pressing the produced horizontal oscillation of keypad in long-term use or warp, through horizontal dead lever, longitudinal fixity pole and china wood can form a triangle-shaped, thereby the better reinforcing effect to pressing the keypad of realizing through the reinforcing plate.

Drawings

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

FIG. 2 is a schematic view of the key-pressing plate and the reinforcing plate assembly structure of the present invention;

fig. 3 is the schematic view of the assembling structure of the transverse fixing rod and the longitudinal fixing rod of the present invention.

In the figure: the key assembly comprises a white key 1, a black key 2, a key pressing plate 3, a thread groove 31, a key sub group 4, a middle wood 5, a fastener 6, a polish rod 61, a first adjusting plate 62, a screw 63, a reinforcing plate 7, a first guide hole 71, a first assembly cavity 72, a transverse fixing rod 8, a second guide hole 81, a second assembly cavity 82, a latch 9, a guide rod 91, a second adjusting plate 92, a latch block 93, a support spring 94, a longitudinal fixing rod 10 and a latch groove 101.

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. 1-3, the present invention provides a technical solution: the utility model provides a piano keying structure, including white key 1, the top right side of white key 1 is equipped with black key 2, the left side of black key 2 is equipped with the key board 3 of pressing that sets up at white key 1 top, the left side of white key 1 is equipped with key subgroup 4, the fixed well wood 5 that is provided with in bottom of key subgroup 4, there is reinforcing plate 7 through 6 fastening connection of binding ware on the left side wall of pressing key board 3, the fixed horizontal dead lever 8 that is provided with in left side wall center department of reinforcing plate 7, the bottom left side of horizontal dead lever 8 is equipped with longitudinal fixing pole 10 through the activity of joint ware 9, and the bottom of longitudinal fixing pole 10 and the 5 spiro union of well wood.

Wherein, a first guide hole 71 is arranged on the left side wall of the reinforcing plate 7, and a first assembly cavity 72 communicated with the first guide hole 71 is arranged on the right side wall of the reinforcing plate 7;

the fastener 6 comprises a polish rod 61 matched with the first guide hole 71, the left end of the polish rod 61 is fixedly connected with a first adjusting plate 62, and the right end of the polish rod 61 extends to the first assembling cavity 72 and is fixedly connected with a screw 63 in threaded connection with the first assembling cavity 72;

the left side wall of the key pressing plate 3 is provided with a thread groove 31 corresponding to the first assembling cavity 72, and the thread groove 31 is matched with the screw rod 63, so that the screw rod 63, the first assembling cavity 72 and the thread groove 31 can be driven to be simultaneously screwed when the first adjusting plate 62 is manually rotated, the reinforcing plate 7 and the key pressing plate 3 can be fastened and connected through the screw rod 63, the connection convenience is improved, and the connection stability is ensured;

a second guide hole 81 is formed in the left side of the top of the transverse fixing rod 8, and a second assembly cavity 82 communicated with the second guide hole 81 is formed in the left side of the bottom of the transverse fixing rod 8;

the clamping device 9 comprises a guide rod 91 matched with the second guide hole 81, the top end of the guide rod 91 is fixedly connected with a second adjusting plate 92, the bottom end of the guide rod 91 extends out of the second assembly cavity 82 and then is fixedly connected with a clamping block 93, the top of the clamping block 93 is fixedly connected with a supporting spring 94 arranged on the outer side of the outer wall of the guide rod 91, and the top end of the supporting spring 94 is fixedly connected with the top of the inner wall of the second assembly cavity 82;

the top of longitudinal fixation pole 10 is seted up with the joint groove 101 of joint piece 93 looks adaptation, and the bottom outer wall of longitudinal fixation pole 10 has seted up the screw thread section, realizes the joint through the joint piece 93 in the joint ware 9 and the joint groove 101 at longitudinal fixation pole 10 top to provide joint piece 93 holding power through supporting spring 94, improved joint steadiness and the assembly convenience between horizontal dead lever 8 and the longitudinal fixation pole 10.

Example (b): when the device is used, the reinforcing plate 7 is fixedly connected with the key pressing plate 3 through the fastener 6, the reinforcing plate 7 can play a powerful restraining role in the deformation of the key pressing plate 3, thereby avoiding the deformation of the key pressing plate 3 as much as possible, and the transverse fixing rod 8 and the longitudinal fixing rod 10 are clamped by the clamping device 9, realizing the transverse limit of the reinforcing plate 7, further limiting the transverse swing or deformation of the key pressing plate 3 in long-term use, a triangle can be formed by the transverse fixing rods 8, the longitudinal fixing rods 10 and the middle wood 5, thereby better realizing the reinforcing effect on the pressing key plate 3 through the reinforcing plate 7, realizing the clamping between the clamping block 93 in the clamping device 9 and the clamping groove 101 at the top of the longitudinal fixed rod 10, and the supporting force of the clamping block 93 is provided by the supporting spring 94, so that the clamping stability and the assembling convenience between the transverse fixing rod 8 and the longitudinal fixing rod 10 are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A piano key-depressing structure comprising a white key (1), characterized in that: the top right side of white key (1) is equipped with black key (2), the left side of black key (2) is equipped with and sets up in keypad (3) at white key (1) top, the left side of white key (1) is equipped with key subgroup (4), the fixed well wood (5) that are provided with in bottom of key subgroup (4), there is reinforcing plate (7) through binding ware (6) fastening connection on the left side wall of keypad (3), the fixed horizontal dead lever (8) that are provided with in left side wall center department of reinforcing plate (7), the bottom left side of horizontal dead lever (8) is equipped with longitudinal fixing pole (10) through joint ware (9) activity, just the bottom of longitudinal fixing pole (10) and well wood (5) spiro union.

2. A piano key press structure according to claim 1, wherein: a first guide hole (71) is formed in the left side wall of the reinforcing plate (7), and a first assembling cavity (72) communicated with the first guide hole (71) is formed in the right side wall of the reinforcing plate (7).

3. A piano key press structure according to claim 2, wherein: the fastener (6) comprises a polished rod (61) matched with the first guide hole (71), a first adjusting plate (62) is fixedly connected to the left end of the polished rod (61), and a screw (63) which is in threaded connection with the first assembling cavity (72) is fixedly connected to the right end of the polished rod (61) after extending to the first assembling cavity (72).

4. A piano key press structure according to claim 3, wherein: the left side wall of the key pressing plate (3) is provided with a thread groove (31) corresponding to the first assembling cavity (72), and the thread groove (31) is matched with the screw rod (63).

5. A piano key press structure according to claim 1, wherein: and a second guide hole (81) is formed in the left side of the top of the transverse fixing rod (8), and a second assembly cavity (82) communicated with the second guide hole (81) is formed in the left side of the bottom of the transverse fixing rod (8).

6. A piano key press structure according to claim 5, wherein: joint ware (9) include with guide bar (91) of second guiding hole (81) looks adaptation, the top fixedly connected with second regulating plate (92) of guide bar (91), fixedly connected with joint piece (93) behind second assembly cavity (82) is extended to the bottom of guide bar (91), the top fixedly connected with of joint piece (93) sets up supporting spring (94) in the guide bar (91) outer wall outside, the inner wall top of the top fixedly connected with second assembly cavity (82) of supporting spring (94).

7. A piano key press structure according to claim 6, wherein: the top of the longitudinal fixing rod (10) is provided with a clamping groove (101) matched with the clamping block (93), and the outer wall of the bottom of the longitudinal fixing rod (10) is provided with a thread section.