Electric piano middle plate supporting device
Through the design of metal plates and reinforced frames, the deformation problem caused by temperature and humidity changes in the electric piano mid-piano is solved, ensuring normal movement of the keys and preventing damage, and improving the structural reliability of the device.
Patent Information
- Application Number
- CN202422309230.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The existing electric piano mid-disk support device is susceptible to changes in temperature and humidity, causing the mid-disk to deform, affecting the normal movement of the keys, and being susceptible to bumps and water damage.
The metal plate design is adopted, combined with the metal flat square tube and the reinforcement frame, and is connected by bolt fixation and reinforcement blocks to form a stable support structure to prevent the middle disk from deforming.
Effectively prevent the middle disc from deforming, ensure normal movement of the keys, avoid bumps and water damage, and improve the structural reliability of the device.
Smart Images
Figure CN223180839U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of musical instrument components, in particular to a middle plate support device for an electric piano. Background Technique
[0002] At present, there are a wide variety of musical instruments, including electric pianos, which are composed of multiple musical instrument components, including a middle plate. The middle plate is a middle plate support device of a metal frame and is usually arranged below the keys to support and is an important component for supporting the electric piano keyboard.
[0003] The existing middle plate support device of the electric piano still has the following problems in use: due to the material factors of the electric piano itself, the characteristics of wood swelling and shrinking due to humidity changes, it is easily affected by temperature and climate. The optimal humidity of the electric piano is between 40% and 60%. Excessive humidity, large temperature differences between day and night and between indoor and outdoor, and increased dryness will all have an adverse impact on the storage of the electric piano, as well as its use, storage, and improper maintenance will cause changes to the electric piano, such as the middle plate sinking due to long-term playing, bumping and scratching during handling, water or beverages accidentally flowing into the piano interior, and moth-eaten phenomena caused by improper maintenance. The middle plate is deformed and uneven, causing the keyboard to deform, including the deformation and cracking of the key bodies of the keys, and mutual friction between adjacent keys, resulting in the keys being unable to move normally. Summary of the Utility Model
[0004] (I) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides a middle plate support device for an electric piano, which solves the problems raised in the background technique.
[0006] (II) Technical Solutions
[0007] To achieve the above object, the utility model provides the following technical solution: a middle plate support device for an electric piano, including a support main body mechanism, the support main body mechanism includes a main body metal plate, a first fitting groove is opened between the upper and lower side walls in the middle of the rear end of the main body metal plate, two second fitting grooves are opened between the upper and lower side walls at the rear end of the main body metal plate, and the two second fitting grooves are symmetrically arranged with respect to the first fitting groove. A metal flat square tube fitting mechanism is fixedly connected to the top wall at the rear end of the main body metal plate. The metal flat square tube fitting mechanism includes a fixed sleeve fixedly connected to the top wall of the main body metal plate. A first fixing groove is opened corresponding to the first fitting groove between the upper and lower side walls of the fixed sleeve, a second fixing groove is opened corresponding to the second fitting groove between the upper and lower side walls of the fixed sleeve, and bolt fitting holes are opened in the middle of the inner side walls of the first fixing groove and the second fixing groove.
[0008] As a further scheme of the utility model: four mounting holes are opened in a rectangular shape between the upper and lower side walls at the front end of the main body metal plate, and nuts are connected to the top wall of the main body metal plate at the openings of the mounting holes.
[0009] As a further solution of the present utility model: two sets of first mating holes and two sets of second mating holes are symmetrically formed between the upper and lower side walls at the front end of the main body metal plate. The two sets of second mating holes are located between the two sets of first mating holes. A through groove is formed between the upper and lower side walls on one side at the rear end of the main body metal plate.
[0010] As a further solution of the present utility model: a reinforcing block is fixedly connected to the middle part below the front side wall of the fixing sleeve, and a reinforcing block is also fixedly connected to each of the two ends below the rear side wall of the fixing sleeve. The bottoms of the three reinforcing blocks are fixedly connected to the main body metal plate. A reinforcing frame is fixedly connected to the bottom wall of the main body metal plate. The reinforcing frame includes a first square frame fixedly connected to the bottom of the main body metal plate. The first square frame is located outside the first mating groove and the second mating groove. The reinforcing frame further includes a second square frame fixedly connected to the front end of the first square frame. A reinforcing rib is fixedly connected to the front end of the second square frame. The second square frame and the reinforcing rib are fixedly connected to the bottom wall of the main body metal plate.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. In the present utility model, through the overall middle plate support device of the electric piano, a metal plate is provided. A metal flat square tube mating groove is formed on the metal plate. At the same time, a metal flat square tube fixing sleeve is arranged in cooperation with the metal flat square tube mating groove, and the metal flat square tube can be fixedly fitted, so that the metal flat square tube is completely embedded and installed to support the middle plate of the electric piano, effectively preventing a series of influences on the piano caused by the deformation of the middle plate.
[0013] 2. In the present utility model, a reinforcing frame is arranged at the bottom of the main body metal plate of the overall support device, which plays a role in strengthening the structure of the main body metal plate. At the same time, three reinforcing blocks arranged in a staggered manner are provided between the metal flat square tube fixing sleeve of the support device and the main body metal plate for connection and reinforcement, and the structural reliability of the overall device is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is the overall three-dimensional view of the present utility model Figure 1 ;
[0015] Figure 2 is the overall three-dimensional view of the present utility model Figure 2 ;
[0016] Figure 3 is the three-dimensional view of the support main body mechanism of the present utility model;
[0017] Figure 4 is the three-dimensional view of the metal flat square tube mating mechanism and the reinforcing frame of the present utility model.
[0018] In the figure: 1. Support main body mechanism; 2. Metal flat square tube fitting mechanism; 3. Reinforcement frame; 11. Main body metal plate; 12. First fitting groove; 13. Second fitting groove; 14. Mounting hole; 15. Nut; 16. First fitting hole; 17. Second fitting hole; 18. Through groove; 21. Fixed sleeve; 22. First fixed groove; 23. Second fixed groove; 24. Bolt fitting hole; 25. Reinforcement block; 31. First square frame; 32. Second square frame; 33. Reinforcement rib. Specific implementation manner
[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0020] Please refer to Figures 1 to 4 , in the embodiment of the present invention, a middle plate support device for an electric piano includes a support main body mechanism 1. The support main body mechanism 1 includes a main body metal plate 11. A first fitting groove 12 is formed between the upper and lower side walls in the middle of the rear end of the main body metal plate 11. Two second fitting grooves 13 are formed between the upper and lower side walls at the rear end of the main body metal plate 11. The two second fitting grooves 13 are symmetrically arranged with respect to the first fitting groove 12. A metal flat square tube fitting mechanism 2 is fixedly connected to the rear end of the top wall of the main body metal plate 11. The metal flat square tube fitting mechanism 2 includes a fixed sleeve 21 fixedly connected to the top wall of the main body metal plate 11. A first fixed groove 22 corresponding to the first fitting groove 12 is formed between the upper and lower side walls of the fixed sleeve 21. A second fixed groove 23 corresponding to the second fitting groove 13 is formed between the upper and lower side walls of the fixed sleeve 21. Bolt fitting holes 24 are formed in the middle of the rear ends of the inner side walls of the first fixed groove 22 and the second fixed groove 23. The overall middle plate support device for the electric piano is provided with a metal plate, and a metal flat square tube fitting groove is formed on the metal plate. At the same time, a metal flat square tube fixed sleeve 21 is arranged in cooperation with the metal flat square tube fitting groove, that is, fixed grooves corresponding to the fitting grooves are formed between the upper and lower side walls of the fixed sleeve 21, and bolt fitting holes 24 are formed in the middle of the rear ends of the inner side walls of the fixed grooves, so that the metal flat square tube can be completely embedded and installed, and the metal flat square tube therein can be cooperatively fixed with bolts to support the middle plate of the electric piano, effectively preventing a series of influences on the piano caused by the deformation of the middle plate.
[0021] Four mounting holes 14 are formed in a rectangular shape between the upper and lower side walls at the front end of the main body metal plate 11. Nuts 15 are connected to the top wall of the main body metal plate 11 at the openings of the mounting holes 14. The overall support device can be fixedly installed at an appropriate position on the electric piano through the four mounting holes 14 on the main body metal plate 11 in cooperation with the nuts 15.
[0022] On the upper and lower side walls at the front end of the main body metal plate 11, two groups of first mating holes 16 and two groups of second mating holes 17 are symmetrically arranged. The two groups of second mating holes 17 are located between the two groups of first mating holes 16. A through groove 18 is formed between the upper and lower side walls on one side of the rear end of the main body metal plate 11. Relevant support components can be arranged corresponding to the multiple mating holes and the through groove 18.
[0023] In the middle of the lower part of the front side wall of the fixing sleeve 21, a reinforcing block 25 is fixedly connected. At both ends of the lower part of the rear side wall of the fixing sleeve 21, a reinforcing block 25 is also fixedly connected. The bottoms of the three reinforcing blocks 25 are fixedly connected to the main body metal plate 11. A reinforcing frame 3 is fixedly connected to the bottom wall of the main body metal plate 11. The reinforcing frame 3 includes a first square frame 31 fixedly connected to the bottom of the main body metal plate 11. The first square frame 31 is located outside the first mating groove 12 and the second mating groove 13. The reinforcing frame 3 further includes a second square frame 32 fixedly connected to the front end of the first square frame 31. A reinforcing rib 33 is fixedly connected to the front end of the second square frame 32. The second square frame 32 and the reinforcing rib 33 are fixedly connected to the bottom wall of the main body metal plate 11. A reinforcing frame 3 is arranged at the bottom of the main body metal plate 11 of the overall support device, which plays a role in strengthening the structure of the main body metal plate 11. At the same time, between the metal flat square tube fixing sleeve 21 of the support device and the main body metal plate 11, three staggered reinforcing blocks 25 are arranged for connection and reinforcement, and the structural reliability of the overall device is good.
[0024] The working principle of the present utility model is: The overall support device can be fixedly installed at an appropriate position of the electric piano through the four mounting holes 14 on the main body metal plate 11 in cooperation with nuts 15. The overall middle plate support device of the electric piano is provided with a metal plate. A metal flat square tube mating groove is formed on the metal plate. At the same time, a metal flat square tube fixing sleeve 21 is arranged in cooperation with the metal flat square tube mating groove on the metal plate, that is, fixing grooves are formed on the upper and lower side walls of the fixing sleeve 21 corresponding to the mating groove. A bolt mating hole 24 is formed in the middle of the inner side wall of the rear end of each fixing groove, so that the metal flat square tube can be completely embedded and installed, and the metal flat square tube inside can be fixedly matched with bolts to support the middle plate of the electric piano, effectively preventing a series of influences on the piano caused by the deformation of the middle plate.
[0025] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. A middle plate support device for an electric piano, comprising a support main body mechanism (1), and the support main body mechanism (1) includes a main body metal plate (11); It is characterized in that: A first fitting groove (12) is formed between the upper and lower side walls in the middle of the rear end of the main body metal plate (11), and two second fitting grooves (13) are formed between the upper and lower side walls at the rear end of the main body metal plate (11). The two second fitting grooves (13) are symmetrically arranged with respect to the first fitting groove (12); A metal flat square tube fitting mechanism (2) is fixedly connected to the rear end of the top wall of the main body metal plate (11), and the metal flat square tube fitting mechanism (2) includes a fixed sleeve (21) fixedly connected to the top wall of the main body metal plate (11); A first fixing groove (22) is formed between the upper and lower side walls of the fixed sleeve (21) corresponding to the first fitting groove (12), and a second fixing groove (23) is formed between the upper and lower side walls of the fixed sleeve (21) corresponding to the second fitting groove (13). A bolt fitting hole (24) is formed in the middle of the inner side wall at the rear end of the first fixing groove (22) and the second fixing groove (23).
2. The mid-plate support device of an electric piano according to claim 1, characterized in that: Four mounting holes (14) are formed in a rectangular shape between the upper and lower side walls at the front end of the main body metal plate (11), and nuts (15) are connected to the top wall of the main body metal plate (11) at the openings of the mounting holes (14).
3. The mid - plate support device of an electric piano according to claim 1, wherein: Two groups of first fitting holes (16) and two groups of second fitting holes (17) are symmetrically formed between the upper and lower side walls at the front end of the main body metal plate (11). The two groups of second fitting holes (17) are located between the two groups of first fitting holes (16).
4. The mid-piano support device according to claim 3, characterized in that: A through groove (18) is formed between the upper and lower side walls on one side of the rear end of the main body metal plate (11).
5. The middle plate support device of an electric piano according to claim 1, wherein: A reinforcing block (25) is fixedly connected to the middle of the lower part of the front side wall of the fixed sleeve (21), and a reinforcing block (25) is also fixedly connected to each of the two ends of the lower part of the rear side wall of the fixed sleeve (21). The bottoms of the three reinforcing blocks (25) are fixedly connected to the main body metal plate (11).
6. The mid-plate support device of an electric piano according to claim 1, characterized in that: A reinforcing frame (3) is fixedly connected to the bottom wall of the main body metal plate (11), and the reinforcing frame (3) includes a first square frame (31) fixedly connected to the bottom of the main body metal plate (11). The first square frame (31) is located outside the first fitting groove (12) and the second fitting groove (13).
7. The mid - plate support device for an electric piano according to claim 6, wherein: The reinforcing frame (3) further includes a second square frame (32) fixedly connected to the front end of the first square frame (31). A reinforcing rib (33) is fixedly connected to the front end of the second square frame (32). The second square frame (32) and the reinforcing rib (33) are fixedly connected to the bottom wall of the main body metal plate (11).