CN216596899U - Self-positioning black key of piano keyboard - Google Patents

Abstract

The utility model discloses a self-positioning black key of a piano keyboard, and relates to the technical field of pianos. This self-align black key of piano keyboard, including black key body and keypad, black key body bottom pastes each other with the upper surface of keypad, and the slot has been seted up on black key body surface, and the inner wall sliding connection of slot has the picture peg, and the bottom fixed connection of picture peg is at the upper surface of keypad, and the resettlement groove that runs through the keypad surface is seted up on the surface of keypad, and the inside of resettlement groove is provided with coupling mechanism. Through positioning mechanism's setting, make operating personnel only need align the picture peg on with the slot on the black key body and the keypad, then promote the black key body and just can fix a position the black key body on the keypad, make operating personnel need not to grope the location to the black key body again, improved operating personnel to the positioning speed of black key body, improved operating personnel to the positioning efficiency of black key body, guaranteed the positioning quality of black key body simultaneously.

Description

Self-positioning black key of piano keyboard

Technical Field

The utility model relates to the technical field of pianos, in particular to a self-positioning black key of a piano keyboard.

Background

The current vertical piano is sold in increasing quantities at home and abroad, the production of the piano is also changed from a family type working room to a running mass production mode, the production of black and white keys is separately carried out on a production line of a piano keyboard, and the black keys are single keys separated by white keys, so that the black keys are required to be processed one by one during production, particularly the process of bonding the black keys is required to be carried out.

The patent number is CN201922368747.3 discloses a piano keyboard is from line location black key, and this scheme is through the miniature locating pin of black key body and the locating hole lock of keypad, and the quick location problem of black key when having solved production improves production efficiency.

However, in the implementation process of the scheme, the black key body is buckled with the key board, namely the black key body is covered on the key board, and then when the black key body is positioned, an operator presses the positioning pin on the black key body into the positioning hole, namely the positioning hole on the key board is shielded by the black key body at the moment, and meanwhile, the positioning pin is also shielded by the black key body and is positioned in a vision blind area of the operator, the operator cannot see the positioning hole and the micro positioning pin, so that the operator can only grope and position the black key body, and the black key body slides on the key board back and forth, and meanwhile, the positioning pin and the positioning hole are smaller, so that the operator needs to slide the black key on the key board for multiple times to complete the positioning, thereby wasting time very much, and seriously reducing the positioning efficiency of the black key.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one technical problem in the prior art, provides a self-positioning black key of a piano keyboard, and can solve the problem of low black key positioning efficiency caused by exploration positioning of an operator on the black key in a scheme.

In order to achieve the purpose, the utility model provides the following technical scheme: self-align black key of piano keyboard, including black key body and keypad, black key body bottom pastes each other with the upper surface of keypad, and the slot has been seted up on black key body surface, and the inner wall sliding connection of slot has the picture peg, and the bottom fixed connection of picture peg is at the upper surface of keypad, and the setting groove that runs through the picture peg surface is seted up on the surface of picture peg, and the inside of setting groove is provided with coupling mechanism.

Preferably, coupling mechanism includes first magnet, the fixed surface of first magnet is connected at the inner wall of resettlement groove, the equal fixedly connected with in both sides and the rubber sleeve of resettlement groove's inner wall fixed connection around first magnet, first connecting groove has all been seted up to the inner wall about the slot, the equal sliding connection of inner wall of two first connecting grooves has the head rod, the looks remote site of two head rods is the round platform form, attract each other between the looks remote site of two head rods and the first magnet, the surface of two head rods respectively with the inner wall sliding connection of two rubber sleeves.

Preferably, the surface of the black key body is movably connected with a U-shaped second magnet, the left side and the right side of the inner wall of the second magnet are respectively attracted with the opposite ends of the two first connecting rods, the opposite sides of the inner wall of the second magnet are respectively provided with a placing groove, the inner walls of the two placing grooves are fixedly connected with rubber pads, and the opposite sides of the two rubber pads are respectively connected with the left side and the right side of the black key body in a sliding manner.

Preferably, two second connecting grooves are formed in the upper surface of the key plate and are respectively located on the left side and the right side of the inserting plate, two third connecting grooves are formed in the upper surface of the key plate and are respectively arranged on the left side and the right side of the inserting plate, and the two second connecting grooves are respectively staggered with the two third connecting grooves.

Preferably, four chutes respectively corresponding to the two second connecting grooves and the two third connecting grooves are formed in the bottom of the black key body, the inner walls of the four chutes are respectively connected with the second connecting rods in a sliding mode, the lower ends of the four second connecting rods are respectively connected with the inclined planes, and the surfaces of the four second connecting rods are respectively connected with the inner walls of the two second connecting grooves and the inner walls of the two third connecting grooves in a sliding mode.

Preferably, four the equal fixedly connected with elastic component in upper end of second connecting rod, four elastic component keep away from the one end of four second connecting rods and respectively fixed connection at the inner wall of four spouts.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this piano keyboard is from line location black key, through positioning mechanism's setting, makes operating personnel only need align the slot on the black key body with the picture peg on the keypad, then promotes the black key body and just can fix a position the black key body on the keypad, makes operating personnel need not again to grope the location to the black key body, has improved operating personnel's positioning efficiency to the black key body.

(2) This piano keyboard is from line location black key through the setting of two second spread grooves, two third spread grooves and four second connecting rods, fixes a position the black key body once more, has avoidd the black key body and has slided because of quick surface at the keypad, leads to first magnet can't inhale the condition of two rubber sleeves with two head rods, and then has guaranteed the smooth connection of device, has guaranteed the accuracy of device location.

(3) This piano keyboard is from line location black key, setting through two rubber sleeves, make two head rods can be filled up with the fixed slot, and then reduced the black body when using, two head rods are in the inside rocking of device, the problem of the surface of having avoidd two head rods simultaneously and fixed slot bump, and then avoidd head rod and fixed slot bump and make a sound, and then guaranteed that the black body can not send the noise when using, and then guaranteed the purity of black body tone quality, the quality of using of black body has been guaranteed.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural view of a self-positioning black key of a piano keyboard according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an internal view of the black key body according to the present invention;

FIG. 4 is a schematic view of a first connecting rod according to the present invention;

fig. 5 is a schematic view of the internal structure of the black key body according to the present invention.

Reference numerals: the black key comprises a black key body 1, a key plate 2, a slot 3, an inserting plate 4, a first magnet 5, a rubber sleeve 6, a first connecting groove 7, a first connecting rod 8, a placing groove 9, an elastic component 10, a second connecting rod 11, a second connecting groove 12, a second magnet 13, a rubber pad 14, a placing groove 15, a third connecting groove 17 and a sliding groove 18.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: self-align black key of piano keyboard, including black key body 1 and keypad 2, the upper surface of black key body 1 bottom and keypad 2 pastes each other, and slot 3 has been seted up on black key body 1 surface, and the inner wall sliding connection of slot 3 has picture peg 4, and the bottom fixed connection of picture peg 4 is at the upper surface of keypad 2.

Referring to fig. 3-4, a placement groove 9 penetrating the surface of the plug board 4 is formed on the surface of the plug board 4, a connection mechanism is disposed inside the placement groove 9, the connection mechanism includes a first magnet 5, the surface of the first magnet 5 is fixedly connected to the inner wall of the placement groove 9, rubber sleeves 6 fixedly connected to the inner wall of the placement groove 9 are fixedly connected to the front and rear sides of the first magnet 5, first connection grooves 7 are formed on the left and right inner walls of the insertion groove 3, first connection rods 8 are slidably connected to the inner walls of the two first connection grooves 7, opposite ends of the two first connection rods 8 are in a circular truncated cone shape, the two first connection rods 8 are made of a material capable of being attracted by the magnet, opposite ends of the two first connection rods 8 are mutually attracted to the first magnet 5, and surfaces of the two first connection rods 8 are respectively slidably connected to inner walls of the two rubber sleeves 6, and then through the setting of two rubber sleeves 6, make two head rods 8 can be full with the arrangement groove 9, and then reduced black key body 1 when using, two head rods 8 are at the inside rocking of device, the problem of two head rods 8's surface and arrangement groove 9 bump has been avoidd simultaneously, and then the head rods 8 bump with arrangement groove 9 and make a sound, and then guaranteed that black key body 1 can not make the noise when using, and then guaranteed the purity of black key body 1 tone quality, the quality of black key body 1 use has been guaranteed.

The surface of the black key body 1 is movably connected with a U-shaped second magnet 13, the left side and the right side of the inner wall of the second magnet 13 are respectively attracted with the opposite ends of the two first connecting rods 8, and then the arrangement of the U-shaped second magnet 13 ensures that the black key body 1 is before installation, the two first connecting rods 8 are kept still in the first connecting groove 7 due to the attraction of the second magnet 13, thereby avoiding the problem that the two first connecting rods 8 slide out of the first connecting groove 7 before connection and leading the device to be incapable of being connected, ensuring the rationality of the operation of the device, the opposite sides of the inner wall of the second magnet 13 are respectively provided with a placing groove 15, the inner walls of the two placing grooves 15 are fixedly connected with rubber pads 14, the opposite sides of the two rubber pads 14 are respectively connected with the left side and the right side of the black key body 1 in a sliding manner, and further separating the inner wall of the second magnet 13 from the surface of the black key body 1 through the arrangement of the rubber pads 14, and then avoided taking place wearing and tearing between the inner wall of second magnet 13 and the black key body 1 surface when breaking away from second magnet 13 from black key body 1, to the condition that the surface of black key body 1 produced the scratch, guaranteed the pleasing to the eye on black key body 1 surface.

Example two;

referring to fig. 5, on the basis of the first embodiment, the upper surface of the key board 2 is provided with two second connecting grooves 12, the two second connecting grooves 12 are respectively located at the left and right sides of the inserting board 4, the upper surface of the key board 2 is provided with two third connecting grooves 17, the two third connecting grooves 17 are respectively located at the left and right sides of the inserting board 4, the two second connecting grooves 12 are respectively staggered with the two third connecting grooves 17, the bottom of the black key body 1 is provided with four sliding grooves 18 respectively corresponding to the two second connecting grooves 12 and the two third connecting grooves 17, the inner walls of the four sliding grooves 18 are respectively and slidably connected with the second connecting rods 11, the lower ends of the four second connecting rods 11 are respectively and slidably connected with the inner walls of the two second connecting grooves 12 and the two third connecting grooves 17, the upper ends of the four second connecting rods 11 are respectively and fixedly connected with the elastic component 10, the ends of the four elastic components 10 away from the four second connecting rods 11 are respectively fixedly connected to the inner walls of the four sliding grooves 18, and the elastic components 10 are springs in this embodiment.

When the black key body 1 is positioned, the slot 3 on the black key body 1 is aligned with the inserting plate 4 on the key plate 2, then the black key body 1 is pushed to enable the inserting plate 4 to slide with the slot 3, further along with the sliding between the black key body 1 and the key plate 2, the side wall of the key plate 2 is contacted with the inclined surfaces of the two second connecting rods 11 at the rear side of the black key body 1, further along with the pushing of the black key body 1, the side wall of the key plate 2 extrudes the inclined surfaces of the two second connecting rods 11, further the two second connecting rods 11 respectively slide and rise in the two sliding grooves 18, further the two elastic components 10 are extruded, further along with the pushing of the black key body 1, the lower ends of the two second connecting rods 11 slide on the surface of the key plate 2, because the two second connecting grooves 12 and the two third connecting grooves 17 are arranged in a staggered manner, further when the black key body 1 slides on the surface of the key plate 2, two second connecting rods 11 of 1 rear side of black key body can not get into the inside of two second spread grooves 12, and then has avoidd the unable circumstances that promotes of black key body 1, and then has guaranteed the smooth operation of device, has guaranteed the rationality of device operation.

Along with the sliding of the black key body 1 on the key board 2, the two first connecting grooves 7 are blocked by the inserting plate 4, at the moment, the second magnet 13 is taken down from the surface of the black key body 1, so that the two first connecting rods 8 are not attracted by the second magnet 13 any more, the black key body 1 is continuously pushed, the two second connecting rods 11 on the front side of the black key body 1 also slide on the surface of the key board 2, the two elastic components 10 on the front side of the same black key body 1 are compressed, along with the sliding between the black key body 1 and the key board 2, the opposite ends of the two first connecting rods 8 are attracted by the first magnet 5 to respectively slide relatively inside the two first connecting grooves 7, because the opposite ends of the two first connecting rods 8 are in a circular truncated cone shape, and the size of the opposite ends of the two first connecting rods 8 is smaller than that of the two rubber sleeves 6 are in a position, so that the opposite ends of the two first connecting rods 8 can be easily inserted inside the two rubber sleeves 6, the opposite ends of the two first connecting rods 8 are respectively contacted with the left side and the right side of the first magnet 5, at the moment, the two sliding grooves 18 at the rear side of the black key body 1 are inosculated with the two third connecting grooves 17, the two sliding grooves 18 at the front side of the black key body 1 are inosculated with the two second connecting grooves 12, and then under the elastic force of the four elastic components 10, the four second connecting rods 11 are respectively inserted into the two second connecting grooves 12 and the two third connecting grooves 17, so that the positioning of the black key body 1 is completed, the black key body 1 is bonded with the key plate 2 through glue after the positioning is completed, and then the black key body 1 is positioned again through the arrangement of the two second connecting grooves 12, the two third connecting grooves 17 and the four second connecting rods 11, thereby avoiding the situation that the two first connecting rods 8 can not be sucked into the two rubber sleeves 6 by the first magnet 5 due to the quick sliding of the black key body 1 on the surface of the key plate 2, and then guaranteed smooth connection of device, guaranteed the accuracy of device location, simultaneously through positioning mechanism's setting, make operating personnel only need align slot 3 on the black key body 1 with picture peg 4 on the keypad 2, then promote black key body 1 and just can fix a position black key body 1 on keypad 2, make operating personnel need not to fumble the location to black key body 1 again, improved operating personnel to the location efficiency of black key body 1.

The working principle is as follows: when the black key body 1 is positioned, the slot 3 on the black key body 1 is aligned with the inserting plate 4 on the key plate 2, then the black key body 1 is pushed, so that the inserting plate 4 slides with the slot 3, along with the sliding of the black key body 1 on the key plate 2, the inserting plate 4 blocks the two first connecting grooves 7, at the moment, the second magnet 13 is taken down from the surface of the black key body 1, so that the two first connecting rods 8 are not attracted by the second magnet 13 any more, the black key body 1 is continuously pushed, opposite ends of the two first connecting rods 8 are attracted by the first magnet 5 to respectively slide relatively inside the two first connecting grooves 7, respectively enter the inside of the two rubber sleeves 6 and respectively contact with the left side and the right side of the first magnet 5, and the positioning of the black key body 1 is completed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (6)

1. Self-align black key of piano keyboard, including black key body (1) and keypad (2), the upper surface of black key body (1) bottom and keypad (2) is pasted its characterized in that each other through glue: inserting groove (3) have been seted up on black key body (1) surface, and the inner wall sliding connection of inserting groove (3) has picture peg (4), and the bottom fixed connection of picture peg (4) is at the upper surface of keypad (2), and the arrangement groove (9) that run through picture peg (4) surface are seted up on the surface of picture peg (4), and the inside of arrangement groove (9) is provided with coupling mechanism.

2. The piano keyboard self-positioning black key of claim 1, wherein: coupling mechanism includes first magnet (5), the fixed surface of first magnet (5) is connected at the inner wall of resettlement groove (9), the equal fixedly connected with in both sides and rubber sleeve (6) of the inner wall fixed connection of resettlement groove (9) around first magnet (5), first connecting groove (7) have all been seted up to the inner wall about slot (3), the equal sliding connection of inner wall of two first connecting grooves (7) has head rod (8), the looks remote site of two head rods (8) is the round platform form, inter attraction between the looks remote site of two head rods (8) and first magnet (5), the surface of two head rods (8) respectively with the inner wall sliding connection of two rubber sleeves (6).

3. The piano keyboard self-positioning black key according to claim 2, wherein: the surface swing joint of black key body (1) has second magnet (13) of U-shaped, and the left and right sides of second magnet (13) inner wall mutually attracts with the mutually opposite end of two head rods (8) respectively, and standing groove (15) have all been seted up to the opposite side of second magnet (13) inner wall, and the inner wall fixedly connected with rubber pad (14) of two standing grooves (15), the opposite side of two rubber pads (14) respectively with the left and right sides sliding connection of black key body (1).

4. The piano keyboard self-positioning black key according to claim 2, wherein: two second connecting grooves (12) have been seted up to the upper surface of keypad (2), and two second connecting grooves (12) are located the left and right sides of picture peg (4) respectively, and two third connecting grooves (17) have been seted up to the upper surface of keypad (2), and two third connecting grooves (17) set up respectively in the left and right sides of picture peg (4), and two second connecting grooves (12) misplace with two third connecting grooves (17) respectively.

5. The piano keyboard self-positioning black key according to claim 4, wherein: the bottom of black key body (1) is seted up four spout (18) that correspond each other with two second spread grooves (12) and two third spread grooves (17) respectively, and the equal sliding connection of inner wall of four spout (18) has second connecting rod (11), the equal inclined plane of lower extreme of four second connecting rods (11), the surface of four second connecting rods (11) respectively with the inner wall sliding connection of two second spread grooves (12) and two third spread grooves (17).

6. The piano keyboard self-positioning black key of claim 5, wherein: the upper ends of the four second connecting rods (11) are fixedly connected with elastic assemblies (10), and one ends, far away from the four second connecting rods (11), of the four elastic assemblies (10) are fixedly connected to the inner walls of the four sliding grooves (18) respectively.

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