Electric steel machine core convenient to disassemble and assemble

By designing brackets, linkers and magnetic components in the electric steel movement, the problem of difficulty in disassembling and assembly of the existing electric steel movement is solved, convenient disassembly and assembly and stable installation are achieved, and user experience and equipment reliability are improved.

CN222580760UActive Publication Date: 2025-03-07NINGBO LUO PIANOS COMPANY
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Patent Information

Application Number
CN202421028140.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-03-07
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The existing electric steel movements are difficult to disassemble and assemble, require professional skills and long time, resulting in high maintenance costs, short service life and poor user experience.

Method used

An electric steel movement including a bracket, a linker and magnetic components is designed. Through the mutual attraction of the magnetic components and the articulated structure of the linkage rod, convenient disassembly and stable installation is achieved.

Benefits of technology

It realizes the rapid disassembly and assembly of the electric steel movement, lowers the operating threshold for users, and improves the user experience and the stability and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electro-steel machine core convenient to disassemble and assemble, which comprises a bracket, a plurality of groups of linkage devices are arranged on the bracket, a first rotating shaft is arranged on the bracket, each linkage device comprises a linkage rod, and one end of each linkage rod is hinged on the first rotating shaft; the upper side of the linkage rod is hinged to a rotating shifting block, a mounting groove is formed in the end, away from the first rotating shaft, of the support, a fixed shifting block is arranged in the mounting groove, a first magnetic part is arranged on the rotating shifting block, a corresponding second magnetic part is arranged on the fixed shifting block, and the first magnetic part and the second magnetic part are mutually inducted. A convex rib is arranged on the fixed shifting block, a corresponding straight groove is formed in the mounting groove, a buckle is further arranged at the end, away from the second magnetic part, of the fixed shifting block, the convex rib is inserted into the straight groove, and the fixed shifting block is detachably mounted in the mounting groove and fixed through the buckle. According to the utility model, internal components can be quickly and conveniently disassembled and assembled, so that the time is saved, the operation threshold of a user is reduced, and the user experience is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric pianos, in particular to an electric piano movement which is easy to disassemble and assemble. Background Art

[0002] The electric piano movement usually refers to one of the important components in a digital piano, also known as the keyboard movement. It is the core component of the keys on the digital piano keyboard, responsible for sensing and transmitting the player's keystrokes to the circuit system of the digital piano. The design of the electric piano movement affects the touch, sensitivity and tone performance of the keyboard, and directly affects the player's experience and performance.

[0003] Due to the complex internal structure of the electric piano, the existing electric piano movement is very difficult to disassemble and assemble, which requires more time and professional skills, and has high maintenance costs and difficulty. If it is disassembled and assembled improperly, it will increase the wear of the movement's vulnerable parts, shorten its service life, and reduce the stability and reliability of the movement. Users need to spend more time and energy to complete the disassembly and assembly operations, which reduces their user experience. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an electric steel movement that is easy to disassemble and assemble, and the internal components can be disassembled and assembled quickly and conveniently, thus saving time, lowering the user's operating threshold, and improving the user's experience.

[0005] In order to solve the above technical problems, the utility model provides an electric steel movement that is easy to disassemble and assemble, including a bracket, wherein a plurality of groups of linkages are provided on the bracket, a first rotating shaft is provided on the bracket, and the linkage includes a linkage rod, one end of the linkage rod is hinged on the first rotating shaft; a rotating dial head is hinged on the upper side of the linkage rod, and a mounting groove is provided at one end of the bracket away from the first rotating shaft, a fixed dial head is provided in the mounting groove, the rotating dial head is provided with a first magnetic part, and the fixed dial head is provided with a corresponding second magnetic part, and the first magnetic part and the second magnetic part are mutually inductive; a convex rib is provided on the fixed dial head, and a corresponding straight groove is provided on the mounting groove, and a buckle is also provided on the end of the fixed dial head away from the second magnetic part, which is inserted into the straight groove through the convex rib, and the fixed dial head can be detachably installed in the mounting groove and fixed by the buckle.

[0006] The first magnetic part includes a first magnet and a first slot arranged on the rotating dial head, the first magnet is provided with a first limiting protrusion, the first slot is provided with a corresponding first limiting groove, the first limiting protrusion is clamped in the first limiting groove, so that the first magnet can be detachably installed in the first slot.

[0007] The second magnetic part includes a second magnet and a second slot arranged on the fixed dial head, the second magnet is provided with a second limiting protrusion, the second slot is provided with a corresponding second limiting groove, the second limiting protrusion is clamped in the second limiting groove, so that the second magnet can be detachably installed in the second slot.

[0008] A dial head mounting portion is provided on the upper edge of the linkage rod, a through hole is provided on the dial head mounting portion, a second rotating shaft is provided on the rotating dial head, the second rotating shaft is rotatably arranged in the through hole, and a stop portion corresponding to the two ends of the rotating dial head is also provided on the dial head mounting portion.

[0009] A mounting notch is provided on one side of the through hole.

[0010] A soft pad is arranged on the stopper.

[0011] The lower end of the linkage rod is provided with a mounting column, the mounting column is sleeved with a card bottom leather pad, and the card bottom leather pad is abutted against a clamp base.

[0012] A limiting card groove is arranged on one side of the installation column, a limiting card block extending toward the limiting groove is arranged on the card bottom leather pad, and a limiting card hook is arranged on the limiting card block.

[0013] The card bottom leather pad is provided with ventilation holes.

[0014] A fixing pin for mounting a counterweight is provided at one end of the linkage rod away from the first rotating shaft.

[0015] When assembling the utility model, first install the magnetic component, install the first magnet in the first slot of the rotating dial head, ensure that the first limiting protrusion is inserted into the first limiting slot, install the second magnet in the second slot of the rotating dial head, ensure that the second limiting protrusion is inserted into the second limiting slot, align the second rotating shaft with the through hole on the dial head mounting part, and install the rotating dial head on the dial head mounting part through the mounting notch. At the same time, install the counterweight block at the lower end of the linkage rod, and use a fixing pin to fix it on the linkage rod. Then install the fixed dial head into the mounting groove of the bracket, ensure that the convex rib is inserted into the straight groove, and fix it with a buckle. Hinge one end of the linkage rod on the first rotating shaft, set the card bottom leather pad on the mounting column, and abut it with the base of the staple. Finally, perform the final inspection and adjustment of the movement to ensure that all components are installed correctly, move flexibly, and each function is normal.

[0016] The beneficial effects brought by the utility model are:

[0017] The utility model is easy to disassemble and assemble, which makes it more convenient for users to use it. The disassembly and assembly maintenance can be completed without complicated tools or skills, thus lowering the operation threshold for users.

[0018] The utility model enhances the touch feeling of the electric piano when playing by means of magnetic components, simulates the key-touch mechanism of a traditional piano, produces a more real and natural touch feedback when pressing keys, and improves the comfort and controllability of the player.

[0019] The utility model has a stable structure and can withstand long-term use and frequent operation, thereby increasing the practical life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the support of the utility model.

[0022] Figure 3 It is a structural schematic diagram of the linkage of the utility model.

[0023] Figure 4 It is a structural schematic diagram of the linkage rod of the utility model.

[0024] Figure 5 It is an exploded view of the practical rotary dial head.

[0025] Figure 6 It is an exploded view of the practical fixed dial head.

[0026] Figure 7 It is a structural schematic diagram of a card bottom leather pad of the utility model.

[0027] In the figure: 1. bracket; 2. linkage; 3. first rotating shaft; 4. linkage rod; 5. rotating dial head; 6. mounting groove; 7. fixing dial head; 8. first magnetic part; 9. second magnetic part; 10. convex rib; 11. straight groove; 12. buckle; 13. first magnet; 14. first slot; 15. first limiting protrusion; 16. first limiting groove; 17. second magnet; 18. second slot; 19. second limiting protrusion; 20. second limiting groove; 21. dial head mounting part; 22. through hole; 23. second rotating shaft; 24. stopper; 25. mounting notch; 26. cushion; 27. mounting column; 28. card bottom leather pad; 29. ​​nail base; 30. limiting slot; 31. limiting block; 32. limiting hook; 33. ventilation hole; 34. fixing pin. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0029] according to Figures 1 to 4 As shown, the utility model is an electric steel movement that is easy to disassemble and assemble, including a bracket 1, on which a plurality of linkages 2 are arranged, on which a first rotating shaft 3 is arranged as a fulcrum of the linkage 2, the linkage 2 includes a linkage rod 4, one end of which is hinged on the first rotating shaft 3, and a rotating dial head 5 is hinged on the upper side of the linkage rod 4, and an installation groove 6 is arranged at one end of the bracket 1 away from the first rotating shaft 3, and a fixed dial head 7 is arranged in the installation groove 6, and a first magnetic part 8 is arranged on the rotating dial head 5, and a corresponding second magnetic part 9 is arranged on the fixed dial head 7, so that the two can attract each other to improve the touch when playing the piano. In addition, the fixed dial head 7 is also provided with a convex rib 10 and a buckle 12, and the mounting groove 6 has a corresponding straight groove 11, and the fixed dial head 7 can be easily disassembled and installed by inserting the convex rib 10 into the straight groove 11, and is fixed by the buckle 12, thereby facilitating the maintenance and replacement of the movement, and also improving its service life and reliability.

[0030] according to Figure 5 As shown, the first magnetic part 8 includes a first magnet 13 and a first slot 14 provided on the rotating dial head 5, a plurality of first limiting protrusions 15 are provided on the side of the first magnet 13, and a corresponding first limiting groove 16 is provided on the first slot 14. When the first limiting protrusion 15 is engaged in the first limiting groove 16, the first magnet 13 can be safely installed in the first slot 14. Similarly, the second magnetic part 9 includes a second magnet 17 and a second slot 18 provided on the fixed dial head 7, a plurality of second limiting protrusions 19 are provided on the side of the second magnet 17, and a corresponding second limiting groove 20 is provided on the second slot 18. When the second limiting protrusion 19 is engaged in the second limiting groove 20, the second magnet 17 can be safely installed in the first slot 14, so that a firm connection can be maintained even when the movement is operating.

[0031] according to Figure 6 As shown, a dial head mounting portion 21 is provided on the upper edge of the linkage rod 4 for mounting the rotating dial head 5, a through hole 22 is provided on the dial head mounting portion 21, and a second rotating shaft 23 is provided on the rotating dial head 5, and the second rotating shaft 23 is rotatably arranged in the through hole 22, so that the rotating dial head 5 can rotate freely on the linkage rod 4, and the dial head mounting portion 21 is also provided with stopper portions 24 corresponding to the two ends of the rotating dial head 5, which are used to limit the rotation range of the rotating dial head 5, thereby increasing the stability and controllability of the movement. In addition, a mounting notch 25 is provided on one side of the through hole 22 to facilitate the installation and removal of the dial head, and a soft pad 26 is provided on the stopper portion 24, which plays a buffering and protective role, can reduce the friction and collision between the rotating dial head 5 and the linkage rod 4, extend the service life of the movement and improve its performance.

[0032] according to Figure 7As shown, a mounting column 27 is provided at the lower end of the linkage rod 4, and a card bottom leather pad 28 is sleeved on the mounting column 27, and a clamp base 29 is abutted on the card bottom leather pad 28. The main function of this card bottom leather pad 28 is to increase the friction between the card bottom leather pad 28 and the clamp base 29, and prevent the mounting column 27 from being worn. A limiting groove 30 is provided on one side of the mounting column 27, and a limiting block 31 extending toward the limiting groove is provided on the card bottom leather pad 28, and a limiting hook 32 is also provided on the limiting block 31. In addition, a vent hole 33 is also provided on the card bottom leather pad 28 to facilitate ventilation and reduce local pressure.

[0033] A fixing pin 34 is provided at one end of the linkage rod 4 away from the first rotating shaft 3. The function of this fixing pin 34 is to firmly mount the counterweight on the linkage rod 4 to adjust the balance and weight distribution of the movement, to ensure that it will not loosen or fall off during use, thereby ensuring the stability and normal operation of the movement.

[0034] When assembling the utility model, first install the magnetic components, install the first magnet 13 in the first slot 14 of the rotating dial head 5, ensure that the first limiting protrusion 15 is inserted into the first limiting groove, install the second magnet 17 in the second slot 18 of the rotating dial head 5, ensure that the second limiting protrusion 19 is inserted into the second limiting groove, align the second rotating shaft 23 with the through hole 22 on the dial head mounting part 21, and install the rotating dial head 5 on the dial head mounting part 21 through the installation notch 25. At the same time, install the counterweight block at the lower end of the linkage rod 4, and use the fixing pin 34 to fix it on the linkage rod 4. Then install the fixed dial head 7 into the mounting groove 6 of the bracket 1, ensure that the rib 10 is inserted into the straight groove 11, and fix it by the buckle 12. One end of the linkage rod 4 is hinged on the first rotating shaft 3, and the card bottom leather pad 28 is sleeved on the mounting column 27, and it is abutted against the card nail base 29. Finally, the movement is finally checked and adjusted to ensure that all components are installed correctly, move flexibly, and each function is normal.

[0035] The beneficial effects brought by the utility model are:

[0036] The utility model is easy to disassemble and assemble, which makes it more convenient for users to use it. The disassembly and assembly maintenance can be completed without complicated tools or skills, thus lowering the operation threshold for users.

[0037] The utility model enhances the touch feeling of the electric piano when playing by means of magnetic components, simulates the key-touch mechanism of a traditional piano, produces a more real and natural touch feedback when pressing keys, and improves the comfort and controllability of the player.

[0038] The utility model has a stable structure and can withstand long-term use and frequent operation, thereby increasing the practical life.

[0039] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An electric steel movement that is easy to disassemble and assemble, comprising a bracket, on which a plurality of linkages are arranged, characterized in that: The bracket is provided with a first rotating shaft, and the linkage includes a linkage rod, one end of which is hinged on the first rotating shaft; a rotating dial head is hinged on the upper side of the linkage rod, and a mounting groove is provided at one end of the bracket away from the first rotating shaft, a fixed dial head is provided in the mounting groove, the rotating dial head is provided with a first magnetic part, and the fixed dial head is provided with a corresponding second magnetic part, and the first magnetic part and the second magnetic part are mutually inductive; a convex rib is provided on the fixed dial head, and a corresponding straight groove is provided on the mounting groove, and a buckle is also provided on the end of the fixed dial head away from the second magnetic part, which is inserted into the straight groove through the convex rib, and the fixed dial head can be detachably installed in the mounting groove and fixed by the buckle.

2. The electric steel movement that is easy to disassemble and assemble according to claim 1, characterized in that: The first magnetic part includes a first magnet and a first slot arranged on the rotating dial head, the first magnet is provided with a first limiting protrusion, the first slot is provided with a corresponding first limiting groove, the first limiting protrusion is clamped in the first limiting groove, so that the first magnet can be detachably installed in the first slot.

3. The electric steel movement that is easy to disassemble and assemble according to claim 1, characterized in that: The second magnetic part includes a second magnet and a second slot arranged on the fixed dial head, the second magnet is provided with a second limiting protrusion, the second slot is provided with a corresponding second limiting groove, the second limiting protrusion is clamped in the second limiting groove, so that the second magnet can be detachably installed in the second slot.

4. The electric steel movement that is easy to disassemble and assemble according to claim 1, characterized in that: A dial head mounting portion is provided on the upper edge of the linkage rod, a through hole is provided on the dial head mounting portion, a second rotating shaft is provided on the rotating dial head, the second rotating shaft is rotatably arranged in the through hole, and a stop portion corresponding to the two ends of the rotating dial head is also provided on the dial head mounting portion.

5. The electric steel movement that is easy to disassemble and assemble according to claim 4, characterized in that: A mounting notch is provided on one side of the through hole.

6. The electric steel movement that is easy to assemble and disassemble according to claim 4, characterized in that: A soft pad is arranged on the stopper.

7. The electric steel movement that is easy to assemble and disassemble according to claim 1, characterized in that: The lower end of the linkage rod is provided with a mounting column, the mounting column is sleeved with a card bottom leather pad, and the card bottom leather pad is abutted against a clamp base.

8. The electric steel movement that is easy to assemble and disassemble according to claim 7, characterized in that: A limiting card groove is arranged on one side of the installation column, a limiting card block extending toward the limiting groove is arranged on the card bottom leather pad, and a limiting card hook is arranged on the limiting card block.

9. The electric steel movement that is easy to assemble and disassemble according to claim 7, characterized in that: The card bottom leather pad is provided with ventilation holes.

10. The electric steel movement that is easy to assemble and disassemble according to claim 1, characterized in that: A fixing pin for mounting a counterweight is provided at one end of the linkage rod away from the first rotating shaft.