CN110853597A - Key reset structure capable of reducing friction - Google Patents
Key reset structure capable of reducing friction Download PDFInfo
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- CN110853597A CN110853597A CN201911278715.2A CN201911278715A CN110853597A CN 110853597 A CN110853597 A CN 110853597A CN 201911278715 A CN201911278715 A CN 201911278715A CN 110853597 A CN110853597 A CN 110853597A
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- telescopic rod
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- fixedly connected
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/12—Keyboards; Keys
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Abstract
The invention discloses a button resetting structure capable of reducing friction, which comprises a base, a clamping mechanism, a hollow groove, a groove body and a support, wherein the support is fixedly connected at the corner position of the top end of the base, the clamping mechanism is arranged on the side wall of the base outside the support, a telescopic rod is arranged on the surface of the support, a pushing groove is arranged inside the telescopic rod, a pushing spring is sleeved on the surface of the telescopic rod, a stop block is fixedly connected to the surface of the telescopic rod below the pushing spring, a lower cover body is arranged above the telescopic rod, a frame is arranged inside the lower cover body, the outer diameter of the telescopic rod is smaller than the inner diameter of the frame, and the frame and the telescopic rod are matched with each other. The invention not only reduces the friction force when the key reset structure is used, and facilitates the function of convenient clamping between the key reset structures, but also realizes the function of convenient disassembly and assembly between the upper cover body and the groove body of the key reset structure.
Description
Technical Field
The invention relates to the technical field of key reset structures, in particular to a key reset structure capable of reducing friction.
Background
Along with the continuous development of society, the kind of piano also becomes more and more diversified along with it, and wherein key reset structure is its important component, and this kind of key reset structure on the market is various now, can satisfy people's user demand basically, but still has certain problem, and specific problem has following several:
(1) when the traditional key reset structure is used, the friction force is large, so that the traditional key reset structure can cause certain damage to the key reset structure body when in use, and the service life of the key reset structure is shortened;
(2) when the traditional key reset structure is used, the adjacent key reset structures are inconvenient to clamp, so that the key reset structure can be disconnected when the traditional key reset structure is used, and certain inconvenience is caused to the use of a piano;
(3) when the traditional key reset structure is used, due to the fact that the upper cover body and the lower cover body are not convenient to disassemble and assemble, great trouble is caused to a user, and the practicability of the traditional key reset structure is extremely low when the key reset structure is used.
Disclosure of Invention
The invention aims to provide a key reset structure capable of reducing friction, and aims to solve the problems that the friction of the device is large, the key reset structure is inconvenient to clamp and the upper cover body and the lower cover body are inconvenient to disassemble and assemble in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a key reset structure capable of reducing friction comprises a base, a clamping mechanism, a hollow groove, a groove body and a support, wherein the support is fixedly connected at the corner position of the top end of the base, the clamping mechanism is arranged on the side wall of the base outside the support, a telescopic rod is arranged on the surface of the support, a pushing groove is arranged inside the telescopic rod, a pushing spring is sleeved on the surface of the telescopic rod, a stop block is fixedly connected to the surface of the telescopic rod below the pushing spring, the top end of the stop block is fixedly connected with the bottom end of the pushing spring, the hollow groove is arranged on the surface of the telescopic rod inside the pushing spring, a lower cover body is arranged above the telescopic rod, a frame is arranged inside the lower cover body, the outer diameter of the telescopic rod is smaller than the inner diameter of the frame, the frame and the telescopic rod are matched with each other, and sliding, the top of lid is provided with the lid down, and the both sides of going up the lid bottom all fixed connection elastic plate, all fixedly connected with presses the movable plate on the lateral wall of elastic plate, the lower lid surface of elastic plate below all is provided with the joint cover, and the inside of joint cover all is provided with presses the groove, press the inside diameter in groove and all be greater than the outside diameter who presses the movable plate, and press the board and press the mutual joint in groove.
Preferably, the corner position of base bottom all fixedly connected with joint card, and joint card is "◇" shape structure.
Preferably, the inside of latch mechanism has set gradually head rod, joint hook, the body of rod, reset spring and second connecting rod, one side of second connecting rod is articulated mutually through the lateral wall of fixing stud and base, the fixed hinge joint of opposite side of second connecting rod has the head rod, and the top fixedly connected with joint hook of head rod, fixedly connected with reset spring on the lateral wall of head rod.
Preferably, the joint hook is down "U" shape, reset spring keeps away from the one end of head rod and the lateral wall fixed connection of second connecting rod, the base top fixedly connected with body of rod of second connecting rod opposite side, and the body of rod mutually supports with the joint hook.
Preferably, the inside of the sliding mechanism is sequentially provided with a roller, a frame body and a middle shaft, the roller is arranged inside the middle shaft, the roller is distributed in the middle shaft at equal intervals, the roller is hinged with the side wall of the frame body through the middle shaft, and the length of the frame body is greater than that of the upper cover body.
Preferably, the surfaces of the upper cover body and the lower cover body are both provided with groove bodies, and the groove bodies are respectively in □ -shaped and △ -shaped structures.
Preferably, the outside diameter of elastic plate all is less than the inside diameter of joint cover, and joint cover all with the elastic plate looks joint, the elastic plate is "V" shape structure.
Preferably, the telescopic link fixed surface inside the frame is connected with the sliding block, and the sliding block is "forked tail" shape structure, be provided with the sliding tray on the inner wall of frame.
Preferably, all fixedly connected with limit slide blocks on the wall of the support both sides in the propelling movement inslot, the telescopic link in the propelling movement inslot side all is provided with limit chute inside, and limit chute's inside diameter all is greater than limit slide blocks's outside diameter, the support passes through limit slide blocks and limit chute and telescopic link constitution sliding structure.
Preferably, the inside diameter of sliding tray all is greater than the outside diameter of sliding block, the telescopic link passes through the sliding block and the sliding tray constitutes limit structure with the frame.
Compared with the prior art, the invention has the beneficial effects that: the key reset structure capable of reducing friction not only reduces the friction force when the key reset structure is used, facilitates the function of convenient clamping between the key reset structures, but also realizes the function of convenient disassembly and assembly between the cover body and the groove body on the key reset structure;
(1) the diameter of the middle shaft and the first connecting rod is larger than that of the upper cover body, so that the roller can be directly contacted with a fixed object, and when the key reset structure is used, the roller can prevent the key reset structure from being directly contacted with the fixed object, so that the friction of the key reset structure in use is reduced, and the service life of the key reset structure in use is further prolonged;
(2) the clamping hook is pulled, the distance between the reset spring and the second connecting rod is increased under the linkage action of the first connecting rod and the second connecting rod, the clamping hook is clamped with the clamping hook on the other key reset structure, and the clamping hook is loosened, and can be locked with the rod body under the elastic force action of the reset spring, so that the clamping function between the key reset structures is facilitated, and the operation difficulty of the key reset structure in use is reduced;
(3) through the elastic plate and the joint cover looks joint with last lid bottom, pop out from pressing the trench position until the board is pressed on the elastic plate surface, cause to go up lid and lower lid joint, when dismantling, press the board of pressing inslot portion, reduce the interval of elastic plate self, stimulate the lid again, cause the elastic plate of joint cover inside to take out, realized the function of the dismouting of being convenient for between lid and the cell body on this button reset structure to practicality when having improved this button reset structure and using.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a partially enlarged structural view of the upper cover according to the present invention;
FIG. 3 is a schematic top view of the lower cover of the present invention;
FIG. 4 is a partially enlarged view of the clamping sleeve of the present invention;
FIG. 5 is an enlarged structural view of the inner section of the telescopic rod of the present invention;
FIG. 6 is an enlarged side view of the sliding mechanism according to the present invention;
FIG. 7 is a schematic view of a partial enlarged structure of the slider according to the present invention;
FIG. 8 is a partially closed and enlarged view of the latch mechanism of the present invention.
In the figure: 1. a base; 2. clamping and connecting a card; 3. a clamping mechanism; 301. a first connecting rod; 302. clamping hooks; 303. a rod body; 304. a return spring; 305. a second connecting rod; 4. a telescopic rod; 5. a lower cover body; 6. a sliding mechanism; 601. a roller; 602. a frame body; 603. a middle shaft; 7. an upper cover body; 8. a trough body; 9. a hollow groove; 10. pushing the spring; 11. a stopper; 12. an elastic plate; 13. a pressing plate; 14. a clamping sleeve; 15. a slider; 16. a frame; 17. pressing the groove; 18. a support; 19. a push tank; 20. a limiting slide block; 21. a limiting chute; 22. a sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a key reset structure capable of reducing friction comprises a base 1, a clamping mechanism 3, a hollow groove 9, a groove body 8 and a support 18, wherein the support 18 is fixedly connected to the corner position of the top end of the base 1, and the clamping mechanism 3 is arranged on the side wall of the base 1 outside the support 18;
a first connecting rod 301, a clamping hook 302, a rod body 303, a reset spring 304 and a second connecting rod 305 are sequentially arranged in the clamping mechanism 3, one side of the second connecting rod 305 is hinged with the side wall of the base 1 through a fixing stud, the other side of the second connecting rod 305 is fixedly hinged with the first connecting rod 301, the top end of the first connecting rod 301 is fixedly connected with the clamping hook 302, and the side wall of the first connecting rod 301 is fixedly connected with the reset spring 304;
the clamping hook 302 is in an inverted U shape, one end of the return spring 304, which is far away from the first connecting rod 301, is fixedly connected with the side wall of the second connecting rod 305, the top end of the base 1 at the other side of the second connecting rod 305 is fixedly connected with a rod body 303, and the rod body 303 is matched with the clamping hook 302;
specifically, as shown in fig. 1 and 8, when the mechanism is used, first, the snap hook 302 is pulled, which increases the distance between the return spring 304 and the second connecting rod 305 under the linkage action of the first connecting rod 301 and the second connecting rod 305, and then the snap hook 302 is snapped with the snap hook 302 on another key reset structure, at this time, the snap hook 302 is released, which locks the snap hook 302 with the rod 303 under the elastic force of the return spring 304;
the surface of the bracket 18 is provided with a telescopic rod 4, and the inside of the telescopic rod 4 is provided with a pushing groove 19;
both side walls of the support 18 in the pushing groove 19 are fixedly connected with limiting sliding blocks 20, both inside parts of the telescopic rod 4 outside the pushing groove 19 are provided with limiting sliding grooves 21, the inner diameters of the limiting sliding grooves 21 are larger than the outer diameter of the limiting sliding blocks 20, and the support 18 and the telescopic rod 4 form a sliding structure through the limiting sliding blocks 20 and the limiting sliding grooves 21, so that the telescopic rod 4 can be conveniently used;
the surface of the telescopic rod 4 is sleeved with a push spring 10, a stop block 11 is fixedly connected to the surface of the telescopic rod 4 below the push spring 10, the top end of the stop block 11 is fixedly connected with the bottom end of the push spring 10, a hollow groove 9 is formed in the surface of the telescopic rod 4 inside the push spring 10, a lower cover body 5 is arranged above the telescopic rod 4, and a frame 16 is arranged inside the lower cover body 5;
the surface of the telescopic rod 4 in the frame 16 is fixedly connected with a sliding block 15, the sliding block 15 is in a dovetail structure, and the inner wall of the frame 16 is provided with a sliding groove 22;
specifically, as shown in fig. 1, 3 and 5, when the mechanism is used, firstly, since the diameters of the middle shaft 603 and the first connecting rod 301 are larger than the diameter of the upper cover 7, the roller 601 will directly contact with a fixed object, and when the key reset structure is used, the roller 601 will prevent the key reset structure from directly contacting with the fixed object, thereby reducing friction when the key reset structure is used;
the outer diameter of the telescopic rod 4 is smaller than the inner diameter of the frame 16, the frame 16 is matched with the telescopic rod 4, and the two sides of the outer wall of the lower cover body 5 are both provided with sliding mechanisms 6;
the roller 601, the frame body 602 and the middle shaft 603 are sequentially arranged in the sliding mechanism 6, the roller 601 is arranged in the middle shaft 603, the roller 601 is distributed in the middle shaft 603 at equal intervals, the roller 601 is hinged with the side wall of the frame body 602 through the middle shaft 603, and the length of the frame body 602 is greater than that of the upper cover body 7;
the inner diameter of the sliding groove 22 is larger than the outer diameter of the sliding block 15, and the telescopic rod 4 and the frame 16 form a limiting structure through the sliding block 15 and the sliding groove 22, so that the telescopic rod 4 can be conveniently reset;
an upper cover body 7 is arranged above the lower cover body 5, groove bodies 8 are arranged on the surfaces of the upper cover body 7 and the lower cover body 5, and the groove bodies 8 are respectively in □ -shaped and inverted △ -shaped structures, so that the key reset structure is convenient to use;
the two sides of the bottom end of the upper cover body 7 are fixedly connected with elastic plates 12, the outer side walls of the elastic plates 12 are fixedly connected with pressing plates 13, and the surfaces of the lower cover body 5 below the elastic plates 12 are provided with clamping sleeves 14;
the outer diameters of the elastic plates 12 are smaller than the inner diameter of the clamping sleeves 14, the clamping sleeves 14 are clamped with the elastic plates 12, and the elastic plates 12 are of V-shaped structures, so that the upper cover body 7 and the lower cover body 5 can be clamped conveniently;
the clamping sleeves 14 are internally provided with pressing grooves 17, the inner diameters of the pressing grooves 17 are larger than the outer diameter of the pressing plate 13, and the pressing plate 13 is clamped with the pressing grooves 17;
the corner position department of base 1 bottom all is fixedly connected with joint card 2, and joint card 2 is "◇" shape structure, has made things convenient for the joint between base 1 and the fixture.
The working principle is as follows: when the key reset structure is used, the elastic plate 12 at the bottom end of the upper cover body 7 is firstly clamped with the clamping sleeve 14 until the pressing plate 13 on the surface of the elastic plate 12 is popped out from the position of the pressing groove 17, so that the upper cover body 7 is clamped with the lower cover body 5, when the key reset structure is disassembled, the pressing plate 13 in the pressing groove 17 is pressed, the distance between the elastic plates 12 is reduced, then the upper cover body 7 is pulled, so that the elastic plate 12 in the clamping sleeve 14 is taken out, and the function of facilitating disassembly and assembly between the upper cover body 7 and the lower cover body 5 is realized;
secondly, pulling the clamping hook 302, increasing the distance between the reset spring 304 and the second connecting rod 305 under the linkage action of the first connecting rod 301 and the second connecting rod 305, and then clamping the clamping hook 302 with the clamping hook 302 on the other key reset structure, at the moment, loosening the clamping hook 302, and locking the clamping hook 302 with the rod body 303 under the elastic force action of the reset spring 304;
finally, the diameter of the middle shaft 603 and the diameter of the first connecting rod 301 are larger than that of the upper cover body 7, so that the roller 601 can be directly contacted with a fixed object, when the key reset structure is used, the roller 601 can avoid the direct contact of the key reset structure with the fixed object, and friction of the key reset structure during use is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a can reduce frictional button structure that resets, includes base (1), latch mechanism (3), cavity silo (9), cell body (8) and support (18), its characterized in that: the corner position of the top end of the base (1) is fixedly connected with a support (18), the side wall of the base (1) at the outer side of the support (18) is provided with a clamping mechanism (3), the surface of the support (18) is provided with a telescopic rod (4), the inside of the telescopic rod (4) is provided with a pushing groove (19), the surface of the telescopic rod (4) is sleeved with a pushing spring (10), the surface of the telescopic rod (4) below the pushing spring (10) is fixedly connected with a stop block (11), the top end of the stop block (11) is fixedly connected with the bottom end of the pushing spring (10), the surface of the telescopic rod (4) inside the pushing spring (10) is provided with a hollow groove (9), a lower cover body (5) is arranged above the telescopic rod (4), the inside of the lower cover body (5) is provided with a frame (16), and the external diameter of the telescopic rod (4) is smaller, frame (16) and telescopic link (4) are mutually supported, be provided with slide mechanism (6) down on the both sides of lid (5) outer wall all, the top of lid (5) is provided with lid (7) down, and goes up all fixed connection elastic plate (12) in both sides of lid (7) bottom, all fixedly connected with presses movable plate (13) on the lateral wall of elastic plate (12), lower lid (5) surface of elastic plate (12) below all is provided with joint cover (14), and the inside of joint cover (14) all is provided with presses groove (17), the inside diameter who presses groove (17) all is greater than the outside diameter who presses movable plate (13), and presses plate (13) and presses groove (17) mutual joint.
2. The key reset structure capable of reducing friction according to claim 1 is characterized in that the corner positions of the bottom end of the base (1) are fixedly connected with clamping cards (2), and the clamping cards (2) are in ◇ -shaped structures.
3. A reduced friction key reset structure as defined in claim 1, wherein: the inside of clamping mechanism (3) has set gradually head rod (301), joint hook (302), the body of rod (303), reset spring (304) and second connecting rod (305), the lateral wall that fixing stud and base (1) are passed through to one side of second connecting rod (305) is articulated mutually, the fixed articulated head rod (301) that has of opposite side of second connecting rod (305), and the top fixedly connected with joint hook (302) of head rod (301), fixedly connected with reset spring (304) on the lateral wall of head rod (301).
4. A reduced friction key reset structure as defined in claim 3 wherein: joint hook (302) are "U" shape down, reset spring (304) keep away from the one end of head rod (301) and the lateral wall fixed connection of second connecting rod (305), base (1) top fixedly connected with body of rod (303) of second connecting rod (305) opposite side, and body of rod (303) and joint hook (302) mutually support.
5. A reduced friction key reset structure as defined in claim 1, wherein: the inner part of the sliding mechanism (6) is sequentially provided with idler wheels (601), a frame body (602) and a middle shaft (603), the idler wheels (601) are arranged in the middle shaft (603), the idler wheels (601) are distributed in the middle shaft (603) at equal intervals, the idler wheels (601) are hinged to the side wall of the frame body (602) through the middle shaft (603), and the length of the frame body (602) is larger than that of the upper cover body (7).
6. The key reset structure capable of reducing friction according to claim 1 is characterized in that the surfaces of the upper cover body (7) and the lower cover body (5) are provided with groove bodies (8), and the groove bodies (8) are respectively in □ -shaped and △ -shaped structures.
7. A reduced friction key reset structure as defined in claim 1, wherein: the outside diameter of elastic plate (12) all is less than the inside diameter of joint cover (14), and joint cover (14) all with elastic plate (12) looks joint, elastic plate (12) are "V" shape structure.
8. A reduced friction key reset structure as defined in claim 1, wherein: the telescopic rod (4) surface fixed connection of frame (16) inside has sliding block (15), and sliding block (15) are "forked tail" shape structure, be provided with sliding tray (22) on the inner wall of frame (16).
9. A reduced friction key reset structure as defined in claim 1, wherein: all fixedly connected with limit slide (20) on support (18) both sides wall inside propelling movement groove (19), telescopic link (4) outside propelling movement groove (19) inside all is provided with limit chute (21), and the inside diameter of limit chute (21) all is greater than the outside diameter of limit slide (20), support (18) constitute sliding structure through limit slide (20) and limit chute (21) and telescopic link (4).
10. A reduced friction key reset structure as defined in claim 8, wherein: the inside diameter of sliding tray (22) all is greater than the outside diameter of sliding block (15), telescopic link (4) pass through sliding block (15) and sliding tray (22) and frame (16) constitution limit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278715.2A CN110853597B (en) | 2019-12-13 | 2019-12-13 | Key reset structure capable of reducing friction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278715.2A CN110853597B (en) | 2019-12-13 | 2019-12-13 | Key reset structure capable of reducing friction |
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| Publication Number | Publication Date |
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| CN110853597A true CN110853597A (en) | 2020-02-28 |
| CN110853597B CN110853597B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911278715.2A Active CN110853597B (en) | 2019-12-13 | 2019-12-13 | Key reset structure capable of reducing friction |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09319360A (en) * | 1996-05-29 | 1997-12-12 | Kawai Musical Instr Mfg Co Ltd | Action for piano and action support fitting |
| JP3642114B2 (en) * | 1996-07-03 | 2005-04-27 | ヤマハ株式会社 | Keyboard instrument |
| CN2824215Y (en) * | 2005-08-04 | 2006-10-04 | 梁勇 | Ejector rebound mechanism of string hammer for upright piano |
| CN101399038A (en) * | 2008-10-30 | 2009-04-01 | 上海大学 | Novel digital piano keyboard |
| JP2013160932A (en) * | 2012-02-06 | 2013-08-19 | Yamaha Corp | Electronic keyboard device |
| CN205104221U (en) * | 2015-07-22 | 2016-03-23 | 北京乐器研究所 | Novel structure electricity piano keyboard |
| CN106356048A (en) * | 2015-07-22 | 2017-01-25 | 北京乐器研究所 | Novel-structure electric piano keyboard |
-
2019
- 2019-12-13 CN CN201911278715.2A patent/CN110853597B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09319360A (en) * | 1996-05-29 | 1997-12-12 | Kawai Musical Instr Mfg Co Ltd | Action for piano and action support fitting |
| JP3642114B2 (en) * | 1996-07-03 | 2005-04-27 | ヤマハ株式会社 | Keyboard instrument |
| CN2824215Y (en) * | 2005-08-04 | 2006-10-04 | 梁勇 | Ejector rebound mechanism of string hammer for upright piano |
| CN101399038A (en) * | 2008-10-30 | 2009-04-01 | 上海大学 | Novel digital piano keyboard |
| JP2013160932A (en) * | 2012-02-06 | 2013-08-19 | Yamaha Corp | Electronic keyboard device |
| CN205104221U (en) * | 2015-07-22 | 2016-03-23 | 北京乐器研究所 | Novel structure electricity piano keyboard |
| CN106356048A (en) * | 2015-07-22 | 2017-01-25 | 北京乐器研究所 | Novel-structure electric piano keyboard |
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| Publication number | Publication date |
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| CN110853597B (en) | 2022-01-28 |
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