CN209641329U - A kind of piano keyhoard cover structure - Google Patents

Abstract

The utility model discloses a kind of piano keyhoard cover structures, including piano main body, cover of keyboard mounting plate, cover of keyboard and handle, the two sides of piano main body are fixedly connected with cover of keyboard mounting plate, the back top insertion of piano main body is connected with cover of keyboard, the forward top of cover of keyboard is fixedly connected with handle, the front bottom nested encryptions of cover of keyboard have rubber pad, the two sides of the bottom insertion of cover of keyboard is connected with cover of keyboard erector, connecting column is fixedly connected at the top of cover of keyboard mounting plate, the intermediate position of cover of keyboard is connected with support rod, support rod is for supporting cover of keyboard, keep cover of keyboard more stable, cover of keyboard mounting plate can be more stable when cover of keyboard word can be made to close and open, the injury using member can effectively be prevented, cover of keyboard erector can make cover of keyboard more stable, but also it can make With the more laborsaving shifting bond(s) disk cover of member, suitable for the use of Piano Fittings, future has extensive development prospect.

Description

A kind of piano keyhoard cover structure

Technical field

Originally practical to provide the technical field of Piano Fittings, specially a kind of piano keyhoard cover structure.

Background technique

Currently, frequently with hinged connection type between piano keyhoard cover and keyboard rear cover, when closing piano keyhoard cover, Artificially firmly and under the self gravity of piano keyhoard cover, piano keyhoard cover is quickly fallen, and can not only be generated to piano certain Impact, it is also possible to the hand hurted sb.'s feelings can be squeezed.

Existing descending lifeline has strict requirements for installation site, and installation and debugging are extremely inconvenient, to guarantee piano key Disk cover is smoothly fallen, and descending lifeline needs to be mounted on the central location of the plank of keyboard side, and center ofthe is simultaneously vertical, works as descending lifeline When inclination, the problem of can not being fallen there is piano keyhoard cover；After existing descending lifeline installation, the decrease speed of piano keyhoard cover Just can not change, before fixed descending lifeline by adjusting descending lifeline between keyboard rear cover at a distance from, by descending lifeline to the inside Position promotes or pulls out to adjust the decrease speed of piano keyhoard cover and be adjusted to appropriate speed, and in prolonged use Cheng Zhong, performance change cause the decrease speed of piano keyhoard cover too fast or too slow, are unable to satisfy use demand.

So how to design a kind of piano keyhoard cover structure, becoming will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is that: in order to which piano keyhoard cover declines too fast or slow problem, provide a kind of steel Key disk cover structure.

To achieve the above object, the utility model provides the following technical solutions:

A kind of piano keyhoard cover structure, including piano main body, cover of keyboard mounting plate, cover of keyboard and handle, the piano master The two sides of body are fixedly connected with cover of keyboard mounting plate, and the back top insertion of the piano main body is connected with cover of keyboard, the key The forward top of disk cover is fixedly connected with handle, and the front bottom nested encryptions of the cover of keyboard have rubber pad, the cover of keyboard Two sides of the bottom insertion be connected with cover of keyboard erector, be fixedly connected with connecting column at the top of the cover of keyboard mounting plate, it is described The insertion of cover of keyboard mounting plate side is connected with sliding slot, and the other side of the cover of keyboard mounting plate is connected with spring, the key The side of disk cover erector is connected with movable plate, and the other side of the cover of keyboard erector is fixedly connected with fixed plate, institute Another side bottom for stating cover of keyboard erector is fixedly connected with installation axle.

Further, the intermediate position two sides of the cover of keyboard erector, which are run through, is connected with hold-doun nut, the installation axle Two sides be fixedly connected with limited post, the bottom of the installation axle is through being connected with card slot.

Further, the intermediate position of the cover of keyboard is connected with support rod, and the side of the support rod is fixed to be connected It is connected to stock, the intermediate position of the support rod is connected with shaft, and the other side of the support rod, which is run through, is connected with quarter butt, The intermediate position hollow out connection of the quarter butt is fluted, and the bottom insertion of the quarter butt is connected with sliding block connecting shaft.

Further, the support rod is molecular by two bars, and the diameter of quarter butt bigger than the diameter of stock five is public Point, the groove diameter at intermediate position and the diameter of stock are identical.

Further, the intermediate position of the cover of keyboard erector is fixedly connected with fixing bolt.

Further, the fixing bolt shape is horizontal T-shaped shape.

Further, the intermediate position of the sliding slot and spring, which is run through, is connected with sliding block.

Further, the sliding block is connected with support rod.

Further, the cover of keyboard mounting plate is by the sliding block of the sliding slot of side, the spring of the other side and intermediate position It collectively constitutes.

Further, the cover of keyboard erector is consolidated by the movable plate of side, the fixed plate of the other side, intermediate position Determine the hold-doun nut of bolt and two sides, the installation axle of bottom, the limited post of installation axle two sides and the card slot of bottom to collectively constitute.

Compared with prior art, the beneficial effect of this kind of utility model is:

1. in the utility model, cover of keyboard mounting plate can be more when cover of keyboard word can be made to close and open Stablize because if sliding block slide in sliding slot, behind there is a spring to hold, can thus make the speed of cover of keyboard decline It is slack-off, it is steady with time-varying, if the thing that do not hold, use may be thus likely to cause than very fast when mobile Member's hand has little time to take away, clamps the hand using member, causes the injury of personnel, effectively raises the safety of piano main body.

2. in the utility model, cover of keyboard erector can make cover of keyboard more stable, the limited post of installation axle two sides The degree of decline can be limited again, when can thus preventing that the too many of cover of keyboard decline occurs, and cause to need to close The case where cannot manage, when needing to close cover of keyboard, since limited post thus may be used by the shape of two semicircles To close cover of keyboard along radian is more laborsaving, the practicability of piano main body is effectively raised.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the cover of keyboard mounting plate the schematic diagram of the section structure of the utility model；

Fig. 3 is the support rod the schematic diagram of the section structure of the utility model；

Fig. 4 is the cover of keyboard erector the schematic diagram of the section structure of the utility model.

In figure: 1, piano main body, 2, cover of keyboard mounting plate, 201, spring, 202, sliding block, 203, sliding slot, 3, support rod, 301, stock, 302, quarter butt, 303, groove, 304, sliding block connecting shaft, 305, shaft, 4, cover of keyboard erector, 401, movable plate, 402, fixed plate, 403, fixing bolt, 404, installation axle, 405, card slot, 406, limited post, 407, hold-doun nut, 5, rubber pad, 6, handle, 7, cover of keyboard, 8, connecting column.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that term " top ", " bottom ", " side ", " other side ", The orientation or positional relationship of the instructions such as " front ", " back ", " intermediate position ", " inside ", " top ", " bottom end " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation；Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply phase To importance；Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to electricity Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of piano keyhoard cover structure, including piano master Body 1, cover of keyboard mounting plate 2, cover of keyboard 7 and handle 6, the two sides of piano main body 1 are fixedly connected with cover of keyboard mounting plate 2, piano The back top insertion of main body 1 is connected with cover of keyboard 7, and the forward top of cover of keyboard 7 is fixedly connected with handle 6, before cover of keyboard 7 Face bottom nested encryptions have rubber pad 5, and the two sides of the bottom insertion of cover of keyboard 7 is connected with cover of keyboard erector 4, cover of keyboard mounting plate 2 top is fixedly connected with connecting column 8, and the insertion of 2 side of cover of keyboard mounting plate is connected with sliding slot 203, cover of keyboard mounting plate 2 it is another Side is connected with spring 201, and the side of cover of keyboard erector 4 is connected with movable plate 401, cover of keyboard erector 4 The other side is fixedly connected with fixed plate 402, and another side bottom of cover of keyboard erector 4 is fixedly connected with installation axle 404, cover of keyboard Through hold-doun nut 407 is connected with, the two sides of installation axle 404 are fixedly connected with limited post for the intermediate position two sides of erector 4 406, the bottom of installation axle 404, which is run through, is connected with card slot 405.

Further, the intermediate position of cover of keyboard 7 is connected with support rod 3, and the side of support rod 3 is fixedly connected with length Bar 301, the intermediate position of support rod 3 are connected with shaft 305, and the other side of support rod 3, which is run through, is connected with quarter butt 302, short The bottom insertion of the intermediate position hollow out connection fluted 303 of bar 302, quarter butt 302 is connected with sliding block connecting shaft 304.

Further, support rod 3 is molecular by two bars, and the diameter of quarter butt 302 is bigger than the diameter of stock 301 by five Centimetre, 303 diameter of groove at intermediate position is identical as the diameter of stock 301, support rod 3 be for supporting cover of keyboard 7, Since the length of connecting column 8 is 30 centimeters, the length of 3 second supporting points of support rod is 40 centimeters, so support rod 3 Length will reach 50 centimeters, so the length of stock 301 is 30 centimeters, the length of quarter butt 302 is 20 centimeters, thus A support frame is formd, makes cover of keyboard 7 more stable in this way, and support rod 3 makes can to stretch, the inside is equipped with groove 303, when needing crucial disk cover 7, stock 301 is just zoomed in groove 303 because the diameter of stock 301 with it is short The diameter of bar 302 is consistent, can thus scale into, effectively raises the practicability of piano main body 1.

Further, the intermediate position of cover of keyboard erector 4 is fixedly connected with fixing bolt 403.

Further, 403 shape of fixing bolt is horizontal T-shaped shape, fixing bolt 403 can with fixed column cover of keyboard 7, By the rotation of fixing bolt 403, thus the movement to drive movable plate 401, when cover of keyboard 7 is in 90 degree, bottom It will fall down a bit, then again by rotation fixing bolt 403 come moving active plate 401, move on to movable plate 401 and just block The firmly position of cover of keyboard 7 thus can achieve preferably fixed cover of keyboard 7, effectively raise the stabilization of piano main body 1 Property.

Further, the intermediate position of sliding slot 203 and spring 201, which is run through, is connected with sliding block 202.

Further, sliding block 202 is connected with support rod 3, and sliding block 202 can smoothly lower support rod 3, When needing close key disk cover 7, support rod 3 just needs to scale, and is firmly pulled down cover of keyboard 7 by using member, Then sliding block 202 will be mobile to opposite direction, and the subsequent spring 201 of sliding block 202 will occur direction active force and effectively reduce The mobile speed of sliding block 202, the speed for declining cover of keyboard 7 is more steady, and the decline of cover of keyboard 7 will scale support rod 3 Enter, effectively raises the stability of piano main body 1.

Further, cover of keyboard mounting plate 2 is by the cunning of the sliding slot 203 of side, the spring 201 of the other side and intermediate position Block 202 collectively constitutes, and cover of keyboard mounting plate 2 can be more stable when 7 word of cover of keyboard can be made to close and open, because If being slided in sliding slot 203 for sliding block 202, behind there is spring 201 to hold, cover of keyboard 7 can thus declined It slows, it is steady with time-varying, if the thing that do not hold, may be thus likely to cause than very fast when mobile Have little time to take away using member's hand, clamp the hand using member, cause the injury of personnel, effectively raises the safety of piano main body 1 Property.

Further, cover of keyboard erector 4 is by the movable plate 401 of side, the fixed plate 402 of the other side, intermediate position Fixing bolt 403 and the hold-doun nut 407 of two sides, the installation axle 404 of bottom, 402 two sides of installation axle 406 and of limited post The card slot 405 of bottom collectively constitutes, and cover of keyboard erector 4 can make cover of keyboard 7 more stable, the limit of 404 two sides of installation axle Position column 406 can limit the degree of decline again, can thus prevent that the too many of the decline of cover of keyboard 7 occurs, and cause to need to close The case where cannot manage when closing, when needing to close cover of keyboard 7, since limited post 406 is by two semicircles Cover of keyboard 7 can thus be closed along radian is more laborsaving, effectively raise the practicability of piano main body 1 by shape.

Working principle:

Firstly, 403 shape of fixing bolt is horizontal T-shaped shape, fixing bolt 403 can be passed through with fixed column cover of keyboard 7 The rotation of fixing bolt 403, thus the movement to drive movable plate 401, when cover of keyboard 7 is in 90 degree, bottom will It falls down a bit, then again by rotation fixing bolt 403 come moving active plate 401, moves on to movable plate 401 and just block key The position of disk cover 7 thus can achieve preferably fixed cover of keyboard 7, effectively raise the stability of piano main body 1；

Then, support rod 3 is molecular by two bars, and the diameter of quarter butt 302 bigger than the diameter of stock 301 five is public Point, 303 diameter of groove at intermediate position is identical as the diameter of stock 301, support rod 3 be for supporting cover of keyboard 7, by It is 30 centimeters in the length of connecting column 8, the length of 3 second supporting points of support rod is 40 centimeters, so the length of support rod 3 Degree will reach 50 centimeters, so the length of stock 301 is 30 centimeters, the length of quarter butt 302 is 20 centimeters, thus shape At a support frame, and support rod 3 makes can to stretch, and the inside is equipped with groove, long when needing crucial disk cover 7 Bar 301 just zooms in groove 303, because the diameter of stock 301 is consistent with the diameter of quarter butt 302, thus may be used To scale into, the practicability of piano main body 1 is effectively raised；

Then, cover of keyboard erector 4 is consolidated by the movable plate 401 of side, the fixed plate 402 of the other side, intermediate position Determine the hold-doun nut 407 of bolt 403 and two sides, the installation axle 404 of bottom, the limited post 406 of 402 two sides of installation axle and bottom Card slot 405 collectively constitute, cover of keyboard erector 4 can make cover of keyboard 7 more stable, the limited post of 404 two sides of installation axle 406 can limit the degree of decline again, can thus prevent that the too many of the decline of cover of keyboard 7 occurs, and needs is caused to close When the case where cannot manage, when needing to close cover of keyboard 7, due to limited post 406 be by the shape of two semicircles, Cover of keyboard 7 can thus be closed along radian is more laborsaving, effectively raise the practicability of piano main body 1；

And then, sliding block 202 can smoothly lower support rod 3, when needing close key disk cover 7, support Bar 3 just needs to scale, and is firmly pulled down cover of keyboard 7 by using member, and then sliding block 202 will be mobile to opposite direction, The subsequent spring 201 of sliding block 202 will occur direction active force and effectively reduce the mobile speed of sliding block 202, make under cover of keyboard 7 The speed of drop is more steady, and support rod 3 will be scaled by the decline of cover of keyboard 7, effectively raises the steady of piano main body 1 It is qualitative；

Finally, cover of keyboard mounting plate 2 is by the sliding block of the sliding slot 203 of side, the spring 201 of the other side and intermediate position 202 collectively constitute, and cover of keyboard mounting plate 2 can be more stable when 7 word of cover of keyboard can be made to close and open, because If sliding block 202 slides in sliding slot 203, behind there is spring 201 to hold, the speed that cover of keyboard 7 can thus declined Spend it is slack-off, it is steady with time-varying, may be than very fast when mobile if the thing that do not hold, being thus likely to cause makes Have little time to take away with member's hand, clamp the hand using member, cause the injury of personnel, effectively raises the safety of piano main body 1, Here it is the working principles of this kind of piano keyhoard cover structure.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of piano keyhoard cover structure, including piano main body (1), cover of keyboard mounting plate (2), cover of keyboard (7) and handle (6), It is characterized by: the two sides of the piano main body (1) are fixedly connected with cover of keyboard mounting plate (2), after the piano main body (1) Insertion is connected with cover of keyboard (7) at the top of face, and the forward top of the cover of keyboard (7) is fixedly connected with handle (6), the cover of keyboard (7) front bottom nested encryptions have rubber pad (5), and the two sides of the bottom insertion of the cover of keyboard (7) is connected with cover of keyboard installation Device (4) is fixedly connected with connecting column (8) at the top of the cover of keyboard mounting plate (2), and cover of keyboard mounting plate (2) side is embedding Enter to be connected with sliding slot (203), the other side of the cover of keyboard mounting plate (2) is connected with spring (201), the cover of keyboard peace The side of dress device (4) is connected with movable plate (401), and the other side of the cover of keyboard erector (4) is fixedly connected with fixation Another side bottom of plate (402), the cover of keyboard erector (4) is fixedly connected with installation axle (404).

2. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the cover of keyboard erector (4) Through being connected with hold-doun nut (407), the two sides of the installation axle (404) are fixedly connected with limited post for intermediate position two sides (406), the bottom of the installation axle (404), which is run through, is connected with card slot (405).

3. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the middle part of the cover of keyboard (7) Position is connected with support rod (3), and the side of the support rod (3) is fixedly connected with stock (301), the support rod (3) Intermediate position is connected with shaft (305), and the other side of the support rod (3), which is run through, is connected with quarter butt (302), the quarter butt (302) intermediate position hollow out connects fluted (303), and the bottom insertion of the quarter butt (302) is connected with sliding block connecting shaft (304)。

4. a kind of piano keyhoard cover structure according to claim 3, it is characterised in that: the support rod (3) is by two Bar is molecular, and the diameter of quarter butt (302) is five centimeters big than the diameter of stock (301), groove (303) diameter at intermediate position It is identical as the diameter of stock (301).

5. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the cover of keyboard erector (4) Intermediate position is fixedly connected with fixing bolt (403).

6. a kind of piano keyhoard cover structure according to claim 5, it is characterised in that: fixing bolt (403) shape For horizontal T-shaped shape.

7. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the sliding slot (203) and spring (201) intermediate position, which is run through, is connected with sliding block (202).

8. a kind of piano keyhoard cover structure according to claim 7, it is characterised in that: the sliding block (202) is and support Bar (3) is connected.

9. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the cover of keyboard mounting plate (2) is It is collectively constituted by the sliding block (202) of the sliding slot (203) of side, the spring (201) of the other side and intermediate position.

10. a kind of piano keyhoard cover structure according to claim 1, it is characterised in that: the cover of keyboard erector (4) is By the movable plate (401) of side, the fixed plate (402) of the other side, the intermediate fixing bolt (403) at position and the fixation spiral shell of two sides Cap (407), the installation axle (404) of bottom, the limited post (406) of installation axle (404) two sides and bottom common group of card slot (405) At.