Guiding oil storage structure for white keys of electric piano

By designing longitudinal guide grooves and bump oil reservoirs on the white key guide teeth of the digital piano, the problem of lubricant loss is solved, resulting in better touch and reduced noise, thus improving the user experience of the digital piano.

CN223956288UActive Publication Date: 2026-02-27FUJIAN XINYI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423315744.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-27
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing white key guiding structure of electric pianos is prone to lubricant loss and has a small oil storage capacity, resulting in poor touch and high noise.

Method used

A longitudinal guide groove is set on the white key guide tooth, and protrusions are added on both sides of the guide groove to form an oil reservoir, which is connected to the side of the guide bone to provide more lubricating oil and reduce friction.

Benefits of technology

It increases the amount of lubricating oil stored, reduces lubricating oil loss, improves the feel, reduces noise, and improves performance stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a guide oil storage structure for white keys of an electronic piano, which comprises a key support for an electronic piano keyboard, a plurality of white key guide teeth and black key guide teeth corresponding to the key support, white keys and black keys respectively corresponding to the white key guide teeth and the black key guide teeth, and longitudinal guide grooves arranged on the end faces of the white key guide teeth. A white key guide bone matched with the guide groove in a sliding mode is arranged at the corresponding position in the mounting cavity on the inner side of the lower portion of the white key, a plurality of protruding blocks are arranged on the two sides of the guide groove in the guide direction of the white key, the protruding blocks on the same side of the guide groove are distributed on the side face of the guide groove at intervals, and an oil storage groove is formed between every two adjacent protruding blocks. According to the white key guide structure, the friction force between the white key guide teeth and the white key guide bone can be reduced, and the white key guide structure is good in hand feeling, low in noise and stable in performance; therefore, the probability of dry friction is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric piano technical field, concretely relates to a guide oil storage structure of electric piano white key. BACKGROUND

[0002] It is known that the technical problem of electric piano keyboard is the "hand feeling" of key playing, which must be as close as possible to the key effect of traditional mechanical piano to provide better contact feeling during playing, thereby bringing better playing effect.

[0003] Chinese patent authorization announcement No. CN205666063 U discloses a guide structure of electric piano black and white keys, which comprises a key seat and black and white key plastic parts, the key seat is provided with key positioning shaft seat, key extension area, weight area and positioning area, a plurality of horizontally spaced black key guide sleeves and white key guide sleeves are arranged on the key seat, the white key guide sleeve is located at the rear end of the black key guide sleeve, and a damping rubber sleeve is arranged on the black and white key guide sleeve. Since the white key guide sleeve in the guide structure is coated with lubricating oil through the guide grooves on both sides to realize the lubricating effect between the white key plastic part and the white key guide sleeve, the player has better playing feeling and less noise, but the guide sleeve structure is easy to cause lubricating loss, small oil storage capacity and waste of lubricating oil, cannot maintain lubrication with the white key plastic part, and thus has poor feeling and large noise when knocking the white key plastic part. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a guide oil storage structure of electric piano white key with large oil storage capacity, good feeling and small noise.

[0005] The utility model discloses a guide oil storage structure of electric piano white key, which comprises a key support for electronic piano keyboard, a plurality of white key guide teeth and black key guide teeth corresponding to the key support, and white keys and black keys corresponding to the positions of the white key guide teeth and the black key guide teeth respectively.

[0006] Preferably, the white key guide teeth are located in the mounting cavity of the white key, and the white key guide bone can be clamped in the guide groove and slide up and down.

[0007] Preferably, the convex block of the utility model respectively with the two side surface contact connection of the white key guide bone, and in the white key guide tooth side surface and the side surface of guide groove form the oil storage groove.

[0008] Preferably, the depth of the guide groove gradually becomes shallow from top to bottom.

[0009] Compared with the prior art, the utility model has the following advantages and beneficial effects: the utility model increases a plurality of bosses on the two sides of the guide groove, so that the white key guide bone is clamped on the guide groove to form an oil storage groove, more lubricating oil can be provided in the oil storage groove, the wet oil is not easy to lose, the friction between the white key guide tooth and the white key guide bone is reduced, the hand feeling is good, the noise is small, and the performance is stable, so that the probability of dry friction is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 A-A sectional structure diagram of the utility model;

[0013] Figure 3 It is Figure 1 B-B sectional structure diagram of the utility model;

[0014] Figure 4 It is Figure 3 A enlarged structure schematic diagram of the utility model;

[0015] The reference signs involved in the above drawings are explained as follows:

[0016] 1-piano key support, 2-white key guide tooth, 3-black key guide tooth, 4-white key, 5-black key, 6-guide groove, 7-mounting cavity, 8-white key guide bone, 9-convex block, 10-oil storage groove. DETAILED DESCRIPTION

[0017] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0018] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0019] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Referring to Figures 1 to 4 As shown in the figure, a guide oil storage structure of a white key of an electric piano, comprising a key support 1 for an electronic piano keyboard, a plurality of white key guide teeth 2 and black key guide teeth 3 corresponding to the key support 1, a white key 4 and a black key 5 corresponding to the positions of the white key guide teeth 2 and the black key guide teeth 3 respectively, a longitudinal guide groove 6 is arranged on the end face of the white key guide tooth 2, a white key guide bone 8 slidingly matched with the guide groove 6 is arranged at the corresponding position in the mounting cavity 7 inside the lower side of the white key 4, a plurality of protrusions 9 are arranged on both sides of the guide groove 6 along the guide direction of the white key, the protrusions 9 on the same side of the guide groove 6 are spaced apart on the side surface of the guide groove 6, and an oil storage groove 10 is formed between every two adjacent protrusions 9, so that the oil storage groove 10 is formed between the side surface of the white key guide bone 8 and the side surface of the guide groove 6, and the oil storage groove 10 is communicated with the guide groove 6.

[0021] Specifically, during installation, the white key guide tooth 2 is located in the mounting cavity 7 of the white key, and the white key guide bone 8 can be clamped in the guide groove 6 and can slide up and down.

[0022] Thus, the white key on the electronic piano keyboard can be smoothly rotated up and down through the guide slot 6 on the white key guide tooth 2 and the white key guide bone 8 thereon, and the oil storage groove 10 can store sufficient lubricating oil and provide it to the guide slot 6, greatly reducing the friction between the white key guide tooth 2 and the white key guide bone 8, and the hand feeling is good, the noise is small, and the performance is stable. The existing lubricating oil is not easy to lose, and more oil storage capacity can be provided, thereby reducing the probability of dry friction, and the noise is small, the hand feeling is good, and the performance is stable.

[0023] In addition, each of the protrusions 9 is respectively in contact with the two side surfaces of the white key guide bone 8, and the oil storage groove 10 is formed between the side surface of the white key guide tooth 2 and the side surface of the guide slot 6. Through the design of the oil storage groove 10, more lubricating oil can be provided between the white key guide bone and the guide slot.

[0024] It should be noted that in the present embodiment, the depth of the guide slot 6 gradually decreases from top to bottom, so that the white key guide bone 8 and the guide slot 6 can smoothly cooperate with the sliding block and are not easy to swing and other problems.

[0025] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A guide oil reservoir structure for the white keys of an electric piano, characterized in that: The invention relates to a key support (1) for an electronic piano keyboard, a plurality of white key guide teeth (2) and black key guide teeth (3) corresponding to the key support (1), white keys (4) and black keys (5) corresponding to the positions of the white key guide teeth (2) and black key guide teeth (3) respectively, the white key guide teeth (2) are provided with longitudinal guide grooves (6) on the end faces, the corresponding positions in the installation cavities (7) on the inner sides below the white keys (4) are provided with white key guide bones (8) which slide in the guide grooves (6), a plurality of protrusions (9) are arranged on both sides of the guide grooves (6) along the guide direction of the white keys, the protrusions (9) on the same side of the guide grooves (6) are arranged at intervals on the side faces of the guide grooves (6), and an oil storage groove (10) is formed between every two adjacent protrusions (9), so that the oil storage groove (10) is formed between the side face of the white key guide bone (8) and the side face of the guide groove (6), and the oil storage groove (10) is connected with the guide groove (6).

2. The guiding and oil storing structure of the white key of the electric piano according to claim 1, characterized in that: The white key guide teeth (2) are located in the installation cavities (7) of the white keys, and the white key guide bones (8) can slide up and down in the guide grooves (6).

3. The guiding and oil storing structure of the white key of the electric piano according to claim 1, characterized in that: Each of the protrusions (9) is in contact with the side faces of the white key guide bones (8) respectively, and the oil storage groove (10) is formed between the side face of the white key guide teeth (2) and the side face of the guide groove (6).

4. The guiding and oil storing structure of the white key of the electric piano according to claim 3, characterized in that: The depth of the guide groove (6) gradually decreases from top to bottom.

Citation Information

Patent Citations

  • Fender black and white key's guide structure

    CN205666063U