CN209708612U - A kind of keycap of musical piano style more changing device - Google Patents

Abstract

The utility model relates to a kind of keycap of musical piano style more changing devices.It includes shell, the slot of left and right perforation is equipped in the shell, Open Side Down for the slot, connection is equipped with L-shaped groove in inner wall before and after the slot, there are two the L-shaped groove settings, it is slidably connected in the slot and takes key sheath body, it is described that front/rear end on key sheath body is taken to be equipped with the guide rod for putting in and being slidably connected in the L-shaped groove and therewith, described take is equipped with key grooving in key sheath body, described key grooving or so penetrates through and Open Side Down, and described take is fixedly connected with tension spring between the slot top inner wall at the top of key sheath body.The step that safe and convenient may be implemented takes key, prevents undue force from damaging key, and reduce the problem for taking key time-consuming.

Description

A kind of keycap of musical piano style more changing device

Technical field

The utility model relates to piano apparatus fields, relate more specifically to a kind of keycap more changing device of musical piano style.

Background technique

Piano is the ancient happy chip of the mankind, and more and more people like enjoying music now, even more more and more People like learning piano.Piano pays this expense, needs specified as one of more expensive musical instrument, general family's difficulty Practice room practice, but frequent practice, more people use, the key of piano is easy into ash, and damage is generated when serious, leads to steel Qin is not available, it is therefore desirable to replace key, existing keycap more changing device easily causes key to damage, take power control it is improper, Difficulty is taken out, it is time-consuming and laborious, so being badly in need of a kind of keycap more changing device of musical piano style.

Utility model content

1. technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of keycaps of musical piano style more Changing device, the step that safe and convenient may be implemented in it take key, prevent undue force from damaging key, and reduce and take key is time-consuming to ask Topic.

2. technical solution

To solve the above problems, the utility model adopts the following technical scheme.

A kind of keycap of musical piano style more changing device comprising shell, the interior slot for being equipped with left and right perforation of the shell, institute Stating slot, Open Side Down, and connection is equipped with L-shaped groove in inner wall before and after the slot, and there are two the L shape slot settings, the slot It is inside slidably connected and takes key sheath body, it is described to take on key sheath body front/rear end to be equipped with to put in the L-shaped groove and slide therewith The guide rod being connected with, described take are equipped with key grooving in key sheath body, described key grooving or so penetrates through and Open Side Down, institute It states to take and is fixedly connected with tension spring between the slot top inner wall at the top of key sheath body, the tension spring is set as inclining Tiltedly, make pulling force to upper right side, be easy to implement pulling when guide rod reaches at the top of L-shaped groove and move right along it, thus desirable key, institute It states to take and is fixedly connected with the symmetrical pulling buckle in front and back at the top of key sheath body.The cover top portion is fixedly connected with carrying handle, in the carrying handle Equipped with the pulling buckle device to pull the carrying handle.

Further, the guide rod takes key sheath body end to flush with the case surface far from described, prevents from influencing shell Smooth, the gap inside interference insertion key on surface.

Further, it is fixedly connected with limit plate on the inner wall of side before and after the key set trench bottom, to can realize securely Extract key.

Further, the pulling buckle device includes that symmetrical sliding slot is equipped in the stabilizer blade of carrying handle front and back, sliding in the sliding slot It is dynamic to be connected with sliding block, goring push spring, described two cunnings are fixedly connected between the slider top and the sliding slot top inner wall Holding rod is fixedly connected between block, the slider bottom is fixedly connected with the connecting rod extended up and down, and the connecting rod bottom is stretched Top in into the slot and positioned at the pulling buckle, the connecting rod bottom is fixedly connected with recessed with the pulling buckle grafting Shape inserted link, the spill inserted link are open to the right, consequently facilitating realizing that a key takes the convenience mode of key.

3. beneficial effect

Compared with the prior art, utility model has the advantages that

(1) the utility model mechanism of this programme is simple, operates conveniently, and is socketed key exterior space using shell, and inside Portion's setting can stablize the whole drawing for taking key sheath body and drive mobile key to be detached from piano internal structure using a key for extracting key Buckle device takes key convenient, and key protection is stronger, one-touch driving pickup, effective and rapid, balance track, balance track bolt, balance track It is flexible between hole to be detached from, front rail, preceding rail hole, it is flexible between front rail bolt be detached from, so as to realize that a step of safe and convenient takes key, It prevents undue force from damaging key, and reduces the problem for taking key time-consuming.

Detailed description of the invention

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

Fig. 2 is the right view of the utility model；

Fig. 3 is the external structure schematic diagram of the utility model.

Figure label explanation:

1 shell, 2 slots, 3 take key sheath body, 4 key groovings, 5L shape slot, 6 tension springs, 7 carrying handles, 8 sliding slots, 9 pushing tow bullets Spring, 10 holding rods, 11 sliding blocks, 12 connecting rods, 13 spill inserted links, 14 pulling buckles, 15 limit plates, 16 guide rods.

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；Obviously, 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 " on ", "lower", "inner", "outside", " top/bottom end " etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh , it is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.

Embodiment 1:

Please refer to Fig. 1-3, a kind of keycap of musical piano style more changing device comprising shell 1, the interior left and right that is equipped with of shell 1 are passed through Logical slot 2, Open Side Down for slot 2, and connection is equipped with L-shaped groove 5 in 2 front and back inner wall of slot, and there are two the settings of L-shaped groove 5, slot 2 It is inside slidably connected and takes key sheath body 3, take on key sheath body 3 front/rear end to be equipped with and put in L-shaped groove 5 and slidably connect therewith Guide rod 16, take and be equipped with key grooving 4 in key sheath body 3, the perforation of key grooving 4 or so and Open Side Down takes key sheath body 3 It is fixedly connected with tension spring 6 between 2 top inner wall of top and slot, tension spring 6 is set as tilting, and makes pulling force to upper right Side is easy to implement pulling when guide rod 16 reaches 5 top of L-shaped groove and moves right along it, so that desirable key, takes 3 top of key sheath body It is fixedly connected with the symmetrical pulling buckle 14 in front and back.It is fixedly connected with carrying handle 7 at the top of shell 1, is equipped in carrying handle 7 to pull carrying handle 7 Pulling buckle device.

Since shell will be filled in inside key in crack, to avoid leading with the card plug of other keys and to its scratch To bar 16 far from taking 3 end of key sheath body to flush with 1 surface of shell, prevent from influencing the smooth of case surface, interference is inserted into inside key Gap.

It is fixedly connected with limit plate 15 on the inner wall of side before and after 4 bottom of key grooving, firmly extracts key to can realize.

Pulling buckle device includes that symmetrical sliding slot 8 is equipped in 7 front and back stabilizer blade of carrying handle, slidably connects sliding block 11 in sliding slot 8, Be fixedly connected with goring push spring 9 between the top of sliding block 11 and 8 top inner wall of sliding slot, two sliding blocks 11 between be fixedly connected with and hold Bar 10,11 bottom of sliding block are fixedly connected with the connecting rod 12 extended up and down, and 12 bottom of connecting rod puts in slot 2 and is located at and draws The top of button 14,12 bottom of connecting rod are fixedly connected with the spill inserted link 13 with 14 grafting of pulling buckle, and spill inserted link 13 is open to the right. It needs what pull-up had been socketed key to take key sheath body 3, holds carrying handle 7 and hold 7 cross bar of carrying handle and holding rod 10 together, then hand Pinching moves up sliding block 11, so that connecting rod 12 moves up, due to spill inserted link 13 and 14 grafting of pulling buckle, key sheath body 3 is taken to move up, when Guide rod 16 moves to right under the action of tension spring 6 when reaching 5 top of L-shaped groove, and key takes out at this time, replacement, thus just In the convenience mode for realizing that a key takes key.

User only need to be by 1 set of shell of the present apparatus outside the key needed to change, while to make that key sheath body 3 is taken to entangle Key when band entangles completely, holds carrying handle 7 and holds 7 cross bar of carrying handle and holding rod 10 together, and then hand, which is pinched, moves up sliding block 11, To which connecting rod 12 moves up, due to spill inserted link 13 and 14 grafting of pulling buckle, key sheath body 3 is taken to move up, when guide rod 16 reaches L-shaped groove It is moved to right under the action of tension spring 6 when 5 top, key takes out at this time, replacement, consequently facilitating realizing that a key takes key just Sharp mode, the step that safe and convenient may be implemented take key, prevent undue force from damaging key, and reduce the problem for taking key time-consuming.

The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model It is interior.

Claims (4)

1. a kind of keycap of musical piano style more changing device comprising shell (1), it is characterised in that: be equipped with a left side in the shell (1) The slot (2) of right perforation, Open Side Down for the slot (2), and connection is equipped with L-shaped groove (5) in inner wall before and after the slot (2), institute It states there are two L-shaped groove (5) settings, is slidably connected and takes key sheath body (3) in the slot (2), it is described that key sheath body (3) is taken to go forward Rear end face is equipped with the guide rod (16) for putting in and slidably connecting in the L-shaped groove (5) and therewith, described to take in key sheath body (3) Equipped with key grooving (4), described key grooving (4) left and right perforation and Open Side Down, it is described take at the top of key sheath body (3) with it is described It is fixedly connected with tension spring (6) between slot (2) top inner wall, the tension spring (6) is set as tilting, described to take key set It is fixedly connected with the symmetrical pulling buckle (14) in front and back at the top of shell (3), is fixedly connected with carrying handle (7) at the top of the shell (1), it is described to mention (7) the interior pulling buckle device being equipped with to pull the carrying handle (7).

2. a kind of keycap more changing device of musical piano style according to claim 1, it is characterised in that: the guide rod (16) Key sheath body (3) end is taken to flush with the surface of the shell (1) far from described.

3. a kind of keycap more changing device of musical piano style according to claim 1, it is characterised in that: the key grooving (4) limit plate (15) are fixedly connected on the inner wall of side before and after bottom.

4. a kind of keycap more changing device of musical piano style according to claim 1, it is characterised in that: the pulling buckle device packet Stabilizer blade is interior equipped with symmetrical sliding slot (8) before and after including carrying handle (7), and the sliding slot (8) is interior to slidably connect sliding block (11), the cunning It is fixedly connected with goring push spring (9) between the sliding slot (8) top inner wall at the top of block (11), between described two sliding blocks (11) It is fixedly connected with holding rod (10), sliding block (11) bottom is fixedly connected with the connecting rod (12) extended up and down, the connecting rod (12) bottom puts in the top in the slot (2) and being located at the pulling buckle (14), and connecting rod (12) bottom is fixed to be connected It is connected to the spill inserted link (13) with the pulling buckle (14) grafting.