CN217690483U

CN217690483U - Key assembly

Info

Publication number: CN217690483U
Application number: CN202221384961.3U
Authority: CN
Inventors: 梁华聪
Original assignee: Dongguan Meipai Electronic Technology Co ltd
Current assignee: Dongguan Meipai Electronic Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-10-28
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to an electronic organ technical field especially relates to a piano key subassembly, including piano key seat, set up a plurality of keys on the piano key seat, the key includes the key body, sets up the installation end on one end of key body, sets up the end of pressing on the other end of key body, and the installation end of key articulates with the piano key seat, and the bottom of middle part position department of key body is equipped with the roof pressure structure, and the piano key seat is equipped with elasticity key switch in the roof pressure structure below of each key respectively; the utility model discloses can be used for replacing traditional musical instrument key subassembly in the past, overall structure is more simple, reasonable not only, and the electronic organ equipment, the production of being convenient for play moreover and feel, can be applicable to in various electronic organs better.

Description

Key assembly

The technical field is as follows:

the utility model relates to an electronic organ technical field especially relates to a musical instrument key subassembly.

Background art:

the key assembly in the electronic organ is an important component of the electronic organ, and the quality of the structural design of the key assembly directly influences the playing hand feeling, so that the quality of the electronic organ is influenced; most of electronic pianos on the market still adopt the traditional piano key assembly, the traditional piano key assembly comprises a piano key seat and a plurality of keys arranged on the piano key seat, each key comprises a key body, a mounting end arranged on one end of the key body and a pressing end arranged on the other end of the key body, the mounting end of each key is connected with the piano key seat through a tension spring, the middle part of the key body is rotatably connected on the piano key seat, a jacking structure is arranged at the bottom of the key body between the middle part and the pressing end, and a key switch is respectively arranged below the jacking structure of each key on the piano key seat; during playing, the pressing end of the key is pressed, the pressing end of the key turns downwards and drives the jacking structure to press the key switch downwards, so that a sounding signal is triggered, the mounting end of the key tilts upwards and stretches the tension spring, and after the pressing of the pressing end of the key is released, the mounting end of the key can turn downwards under the action of the tension spring to reset and drive the pressing end of the key to turn upwards to reset; the electronic organ using the traditional key assembly is complex in structure, inconvenient to assemble and produce and poor in playing hand feeling.

The utility model has the following contents:

the utility model aims at providing a key subassembly to what prior art exists not enough, can be used for replacing traditional key subassembly in the past, not only overall structure is more simple, reasonable, and the electronic organ equipment, the production of being convenient for are played moreover and are felt, can be applicable to in the various electronic organs better.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a musical instrument key subassembly, includes the musical instrument key seat, sets up a plurality of key on the key seat, the key includes the key body, sets up in the installation end of key body one end, sets up the end of pressing on the key body other end, and the installation end and the key seat of key are articulated mutually, and the bottom of the middle part position department of key body is equipped with the roof pressure structure, and the key seat is equipped with elasticity key switch in the roof pressure structure below of each key respectively.

The further improvement to above-mentioned scheme does, the installation end of key is equipped with the hinge pin, is equipped with the key mounting structure the same with key quantity on the key seat, and the key mounting structure includes bayonet lock structure, left support pin portion, right support pin portion, and left support pin portion, the right support pin portion that are arranged in same key mounting structure are located the both sides of the bayonet lock structure of same key mounting structure respectively, and the bayonet lock structure includes along the preceding bayonet lock portion and the back bayonet lock portion that the fore-and-aft direction set up side by side.

The further improvement to above-mentioned scheme does, the shaping of downwardly extending respectively has first left spacing portion, first right spacing portion in the installation end bottom both sides of key, sets up side by side along the left-right direction between first left spacing portion and the first right spacing portion, and the outside of left dowel portion offsets with the inboard of first left spacing portion, and the outside of right dowel portion offsets with the inboard of first right spacing portion, and the hinge pin is located between the bottom of first left spacing portion and the bottom of first right spacing portion.

The key mounting structure further comprises a cover pin part, the cover pin part is arranged above the left support pin part and the right support pin part in the same key mounting structure in a covering mode, bottom pin grooves are formed in the top of the left support pin part and the top of the right support pin part respectively, ejector pin grooves are formed in the corresponding positions of the two bottom pin grooves in the bottom of the cover pin part respectively, and pin holes are formed by the bottom pin grooves and the ejector pin grooves in an enclosing mode.

The further improvement to above-mentioned scheme does, the shaping of the pressing end bottom both sides of key downwardly extending respectively have the spacing portion in the left side of second, the spacing portion in the right side of second, the bottom of the spacing portion in the left side of second, the bottom of the spacing portion in the right side of second extends the shaping backward jointly and has trip portion, the musical instrument key seat is equipped with the limit in the corresponding position department of trip portion and changes the sand grip that is used for supporting trip portion downwards, the top of limit changes the sand grip is equipped with the limit and changes the lug that is used for upwards supporting the key body, the left side of limit change lug offsets with the inboard of the spacing portion in the left side of second, the right side of limit change lug offsets with the inboard of the spacing portion in the right side of second.

The further improvement to the above scheme is that the bottom of the rotation limiting convex strip is provided with a bottom soft gasket strip, and the top of the rotation limiting convex strip is provided with a top soft gasket strip.

The elastic key switch comprises an installation bottom plate, an elastic cover arranged on the installation bottom plate, and a pressure receiving block arranged on the top of the elastic cover, wherein the bottom of the elastic cover is provided with an opening, and a touch pressing part is arranged in the elastic cover.

The further improvement of the scheme is that the compression block is provided with an elastic groove.

The further improvement to the above scheme is that the cross section of the pressed block is waist-shaped, the pressed block is provided with two elastic grooves, the two elastic grooves are arranged side by side along the front-back direction, the jacking structure comprises two jacking portions arranged side by side along the front-back direction, and the two jacking portions are respectively and correspondingly arranged above the two elastic grooves.

The elastic key switch is further improved by integrally injection-molded by rubber or silica gel materials.

The utility model discloses beneficial effect lies in: the utility model provides a piano key assembly, including piano key seat, set up a plurality of key on the piano key seat, the key includes the key body, set up the installation end on one end of key body, set up the end of pressing on the other end of key body, the installation end of key is articulated mutually with the piano key seat, the bottom of middle part position department of key body is equipped with the roof pressure structure, the piano key seat is equipped with elasticity keyswitch below the roof pressure structure of each key respectively;

the utility model discloses an adopt the structural design of innovation, during playing, through the end of pressing down the key, the end of pressing down of key overturns downwards and drives the roof pressure structure and pushes down elasticity key switch to trigger sound production signal loosens the back of pressing down of the end of pressing down to the key, elasticity key switch upwards pushes away the roof pressure structure of key and makes the key upset upwards reset through the elastic action of its self, the utility model discloses can be used for replacing traditional key subassembly in the past, not only overall structure is more simple, reasonable, and the electronic organ of being convenient for assembles, produces, plays moreover and feels, can be applicable to in various electronic organs better.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is an enlarged view of a point a in fig. 2.

Fig. 4 is a schematic structural view of the elastic push-button switch of the present invention.

Fig. 5 is a schematic view of fig. 4 from another view angle.

Description of reference numerals: the piano key base 1, the key mounting structure 11, the bayonet structure 111, the front bayonet part 112, the rear bayonet part 113, the left supporting pin part 114, the bottom pin groove 1141, the right supporting pin part 115, the cover pin part 116, the top pin groove 1161, the pin hole 117, the rotation limiting convex strip 118, the rotation limiting convex block 119, the key 2, the key body 21, the mounting end 22, the pressing end 23, the hinge pin 24, the first left limiting part 25, the first right limiting part 26, the second left limiting part 27, the second right limiting part 28, the clamping hook part 29, the pressing structure 30, the pressing part 301, the elastic key switch 4, the mounting bottom plate 41, the elastic cover 42, the pressed block 43, the elastic groove 44, the pressing part 45, the bottom cushion strip 5 and the top cushion strip 6.

The specific implementation mode is as follows:

the present invention is further described with reference to the accompanying drawings, as shown in fig. 1-5, the present invention includes a key base 1 and a plurality of keys 2 disposed on the key base 1, wherein the keys 2 include a key body 21, a mounting end 22 disposed on one end of the key body 21, and a pressing end 23 disposed on the other end of the key body 21, the mounting end 22 of the key 2 is hinged to the key base 1, a top pressing structure 30 is disposed at the bottom of the middle position of the key body 21, and the key base 1 is respectively provided with an elastic key switch 4 below the top pressing structure 30 of each key 2; the utility model discloses an adopt the structural design of innovation, during playing, through the end 23 of pressing down key 2, the end 23 of pressing down of key 2 overturns downwards and drives the top pressure structure 30 and pushes down elasticity key switch 4 to trigger sound production signal, after loosening the end 23 of pressing down to key 2, elasticity key switch 4 pushes up the top pressure structure 30 that pushes up key 2 and makes key 2 overturn upwards through its self elastic action and resets, the utility model discloses can be used for replacing traditional key 2 subassembly in the past, not only overall structure is more simple, reasonable, and the electronic organ equipment, the production of being convenient for plays moreover and feels, can be applicable to in various electronic organs better.

The mounting end 22 of the key 2 is provided with a hinge pin 24, the key base 1 is provided with key mounting structures 11 in the same number as the keys 2, each key mounting structure 11 comprises a bayonet structure 111, a left supporting pin portion 114 and a right supporting pin portion 115, the left supporting pin portion 114 and the right supporting pin portion 115 in the same key mounting structure 11 are respectively positioned on two sides of the bayonet structure 111 in the same key mounting structure 11, and the bayonet structure 111 comprises a front bayonet part 112 and a rear bayonet part 113 which are arranged side by side in the front-back direction; after assembly, the hinge pin 24 of the key 2 is located on the left pin supporting portion 114 and the right pin supporting portion 115, the top of the hinge pin 24 is limited by the front bayonet portion 112 and the rear bayonet portion 113, and the hinge pin 24 can be prevented from jumping out of the left pin supporting portion 114 and the right pin supporting portion 115, so that the hinge pin 24 can be ensured to stably rotate on the left pin supporting portion 114 and the right pin supporting portion 115, that is, the key 2 can be ensured to stably rotate on the key base 1.

The two sides of the bottom of the mounting end 22 of the key 2 are respectively provided with a first left limiting portion 25 and a first right limiting portion 26 in a downward extending manner, the first left limiting portion 25 and the first right limiting portion 26 are arranged side by side along the left-right direction, the outer side of the left supporting pin portion 114 abuts against the inner side of the first left limiting portion 25, the outer side of the right supporting pin portion 115 abuts against the inner side of the first right limiting portion 26, the hinge pin 24 is located between the bottom of the first left limiting portion 25 and the bottom of the first right limiting portion 26, and the key 2 can not be subjected to position deviation in the left-right direction through the cooperation of the supporting of the left supporting pin portion 114 against the first left limiting portion 25 and the supporting of the right supporting pin portion 115 against the first right limiting portion 26.

The key mounting structure 11 further includes a cover pin portion 116, the cover pin portion 116 is disposed above the left key supporting portion 114 and the right key supporting portion 115 in the same key mounting structure 11, bottom pin grooves 1141 are respectively formed on the top of the left key supporting portion 114 and the top of the right key supporting portion 115, top pin grooves 1161 are respectively formed on the bottom of the cover pin portion 116 at corresponding positions of the two bottom pin grooves 1141, the bottom pin grooves 1141 and the top pin grooves 1161 enclose to form pin holes 117, the hinge pin 24 rotates in the pin hole 117, and the hinge pin 24 can be further prevented from jumping out of the left key supporting portion 114 and the right key supporting portion 115 by the cover pin portion 116, so that the hinge pin 24 can be further ensured to stably rotate on the left key supporting portion 114 and the right key supporting portion 115, that is the key 2 can be further ensured to stably rotate on the key base 1.

A second left limiting portion 27 and a second right limiting portion 28 are respectively formed by downward extending two sides of the bottom of the pressing end 23 of the key 2, a hook portion 29 is formed by rearward extending the bottom of the second left limiting portion 27 and the bottom of the second right limiting portion 28 together, a rotation limiting protruding strip 118 for downward abutting against the hook portion 29 is arranged at a position corresponding to the hook portion 29 of the key seat 1, a rotation limiting protruding block 119 for upward abutting against the key body 21 is arranged at the top of the rotation limiting protruding strip 118, the left side of the rotation limiting protruding block 119 abuts against the inner side of the second left limiting portion 27, the right side of the rotation limiting protruding block 119 abuts against the inner side of the second right limiting portion 28, and the key 2 can further be prevented from position deviation in the left-right direction through cooperation of abutting of the left side of the rotation limiting protruding block 119 against the second left limiting portion 27 and abutting against the right side of the second right limiting portion 28 of the rotation limiting protruding block 119; through limit commentaries on classics lug 119 to key 2 upwards support spacing and through limit commentaries on classics sand grip 118 downwards support spacing to trip portion 29, can prescribe a limit to the rotation angle of key 2, prevent the excessive upset of key 2.

The bottom of limit rotation sand grip 118 is equipped with end soft gasket strip 5, and the top of limit rotation sand grip 118 is equipped with top soft gasket strip 6, when key 2 overturns to the biggest angle downwards, top soft gasket strip 6 presss from both sides and locates between limit rotation sand grip 118 and the key body 21, when key 2 overturns to the biggest angle upwards, end soft gasket strip 5 presss from both sides and locates between limit rotation sand grip 118 and the trip portion 29 of key 2, can avoid giving out the noise because of the striking, and feel better.

The utility model discloses an elasticity keyswitch 4 is by the integrative injection moulding of rubber or silica gel material, not only the equipment of being convenient for, and can promote the feeling when playing, elasticity keyswitch 4 includes mounting plate 41, set up the elastic cover 42 on mounting plate 41, set up and receive the piece 43 on elastic cover 42 top, elastic cover 42 bottom opening just is equipped with in the elastic cover and touches splenium 45, elasticity keyswitch 4 receives piece 43 when receiving the pushing down of the roof pressure structure 30 of key 2, receive piece 43 downstream and elastic cover 42 emergence elastic deformation, touch splenium 45 downstream, touch the circuit board detection zone that is located its bottom and trigger vocal signal, after stopping pushing down receiving piece 43, elastic cover 42 upwards takes place elasticity and resets and drive and touch splenium 45 and upwards reset, stop touching the splenium to the circuit board detection zone and pressing.

The utility model discloses a set up elasticity recess 44 on the pressure piece 43, can make elasticity resilience effect better to can make whole feel better. The cross section of the pressure receiving block 43 in this embodiment is preferably waist-shaped and is provided with two elastic grooves 44, the two elastic grooves 44 are arranged side by side along the front-back direction, the pressing structure 30 includes two pressing portions 301 arranged side by side along the front-back direction, and the two pressing portions 301 are respectively and correspondingly arranged above the two elastic grooves 44.

The working principle is as follows:

during playing, through the end 23 of pressing down of pressing key 2, the end 23 of pressing down of key 2 overturns downwards and drives roof pressure structure 30 and pushes down elasticity key switch 4 to trigger sound production signal, after loosening the end 23 of pressing down of key 2, elasticity key switch 4 upwards pushes up the roof pressure structure 30 of key 2 and makes key 2 overturn upwards through its self elastic action and resets, the utility model discloses can be used for replacing traditional key 2 subassembly in the past, overall structure is more simple, reasonable not only, the electronic organ equipment of being convenient for, production, play moreover and feel, can be applicable to in various electronic organs better.

Of course, the above description is only the preferred embodiment of the present invention, and all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a key subassembly, includes key seat (1), sets up a plurality of key (2) on key seat (1), key (2) include key body (21), set up in installation end (22) of key body (21) one end, set up in pressing end (23) on the key body (21) other end, its characterized in that: the installation end (22) of key (2) is articulated mutually with key seat (1), and the bottom of the middle part position department of key body (21) is equipped with roof pressure structure (30), and key seat (1) is equipped with elasticity key switch (4) respectively in roof pressure structure (30) below of each key (2).

2. A key assembly as defined in claim 1, wherein: the installation end (22) of key (2) are equipped with hinge pin (24), be equipped with key mounting structure (11) the same with key (2) quantity on key seat (1), key mounting structure (11) are including bayonet lock structure (111), left side holds in the palm portion of selling (114), right side holds in the palm portion of selling (115), left side hold in the palm portion of selling (114) that is arranged in same key mounting structure (11), right side holds in the palm portion of selling (115) and is arranged in the both sides of bayonet lock structure (111) of same key mounting structure (11) respectively, bayonet lock structure (111) are including preceding bayonet lock portion (112) and back bayonet lock portion (113) that set up side by side along the fore-and-aft direction.

3. A key assembly as defined in claim 2, wherein: the key is characterized in that two sides of the bottom of the mounting end (22) of the key (2) are respectively provided with a first left limiting portion (25) and a first right limiting portion (26) in a downward extending mode, the first left limiting portion (25) and the first right limiting portion (26) are arranged side by side along the left-right direction, the outer side of the left supporting pin portion (114) is abutted to the inner side of the first left limiting portion (25), the outer side of the right supporting pin portion (115) is abutted to the inner side of the first right limiting portion (26), and the hinge pin (24) is located between the bottom of the first left limiting portion (25) and the bottom of the first right limiting portion (26).

4. A key assembly as defined in claim 2, wherein: the key mounting structure (11) further comprises a cover pin portion (116), the cover pin portion (116) is arranged above the left support pin portion (114) and the right support pin portion (115) in the same key mounting structure (11) in a covering mode, bottom pin grooves (1141) are formed in the top of the left support pin portion (114) and the top of the right support pin portion (115) respectively, top pin grooves (1161) are formed in the corresponding positions of the two bottom pin grooves (1141) in the bottom of the cover pin portion (116), and the bottom pin grooves (1141) and the top pin grooves (1161) are surrounded to form pin holes (117).

5. A key assembly as defined in claim 1, wherein: the key is characterized in that two sides of the bottom of a pressing end (23) of the key (2) are respectively provided with a second left limiting portion (27) and a second right limiting portion (28) in a downward extending mode, the bottom of the second left limiting portion (27) and the bottom of the second right limiting portion (28) are jointly extended backwards to form a clamping hook portion (29), a rotation limiting protruding strip (118) used for downwards abutting against the clamping hook portion (29) is arranged at the corresponding position of the clamping hook portion (29) of the key seat (1), a rotation limiting protruding block (119) used for upwards abutting against the key body (21) is arranged at the top of the rotation limiting protruding strip (118), the left side of the rotation limiting protruding block (119) abuts against the inner side of the second left limiting portion (27), and the right side of the rotation limiting protruding block (119) abuts against the inner side of the second right limiting portion (28).

6. A key assembly according to claim 5, wherein: the bottom of the rotation limiting convex strip (118) is provided with a bottom cushion strip (5), and the top of the rotation limiting convex strip (118) is provided with a top cushion strip (6).

7. A key assembly as defined in claim 1, wherein: the elastic key switch (4) comprises a mounting base plate (41), an elastic cover (42) arranged on the mounting base plate (41) and a pressed block (43) arranged on the top of the elastic cover (42), wherein the bottom of the elastic cover (42) is provided with an opening and is internally provided with a touch pressing part (45).

8. A key assembly as defined in claim 7, wherein: the compression block (43) is provided with an elastic groove (44).

9. A key assembly as defined in claim 8, wherein: the cross section of the compression block (43) is waist-shaped, the compression block (43) is provided with two elastic grooves (44), the two elastic grooves (44) are arranged side by side along the front-back direction, the jacking structure (30) comprises two jacking parts (301) arranged side by side along the front-back direction, and the two jacking parts (301) are respectively and correspondingly arranged above the two elastic grooves (44).

10. A key assembly as defined in claim 1, wherein: the elastic key switch (4) is integrally formed by rubber or silica gel materials in an injection molding mode.