Eight-degree wheel device and electric blowing pipe

Abstract

The utility model relates to the technical field of electronic musical instruments, in particular to an octave wheel device and an electric blowing pipe. A plurality of roller pairs are arranged on the U-shaped frame, and each roller pair comprises an eight-degree roller, two conductive bolt pieces and two conductive gaskets; the multiple octave rollers are arranged in the extending direction of the U-shaped frame, and axial through holes are formed in the axes of the octave rollers. The two conductive bolt pieces penetrate through the two sides of the U-shaped frame respectively and then make contact with the inner walls of the two ends of the corresponding axial through holes. The conductive gasket is located between a nut of the conductive bolt piece and the corresponding side wall of the U-shaped frame. The eight-degree control panel is provided with a circuit connecting end; the conductive bolt piece on one side sequentially penetrates through the conductive gasket, the eight-degree control panel, one side of the U-shaped frame and the axial through hole so that the eight-degree control panel can be tightly pressed on the U-shaped frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic musical instrument technical field, concretely relates to a octave wheel device. BACKGROUND

[0002] The electric pipe is a kind of blowing instrument of the times, belongs to the airflow control volume electronic musical instrument;The octave wheel device in it can be switched octave very conveniently by gyro wheel, to improve playing effect, the octave wheel device of existing octave wheel device, for example, the octave wheel controller with slide auxiliary key for electric pipe in the publication No. CN218585622U, one bolt is threaded through the entire gyro wheel after being equipped with a nut at the other end of bolt, since gyro wheel needs to roll, therefore, this kind of structure design is prone to loosening, leading to the transmission of touch signal to octave control panel (octave control panel is equipped with touch sensing chip) difficultly accurate and stable;And when bolt selects the material with better conductivity and rotation performance, the whole threaded bolt consumes more materials, and the cost is high. CONTENT OF UTILITY MODEL

[0003] To solve the problem that touch signal is unstable in the long-term use of octave wheel device, the utility model provides a octave wheel device.

[0004] The technical scheme of the utility model is:

[0005] On the one hand, the utility model provides a octave wheel device, characterized by comprising

[0006] U-shaped frame;

[0007] A plurality of gyro wheel pairs, each gyro wheel pair includes octave gyro wheel, two conductive bolt pieces and two conductive gaskets;A plurality of octave gyro wheels are arranged along the extension direction of U-shaped frame, and axial through hole is arranged at the axis of octave gyro wheel;Two conductive bolt pieces are respectively threaded through both sides of U-shaped frame and contact the inner wall of both ends of corresponding axial through hole;Conductive gasket is located between the nut of conductive bolt piece and the corresponding side wall of U-shaped frame;

[0008] Octave control panel has circuit connection end;One side of the conductive bolt piece is sequentially threaded through the conductive gasket, the octave control panel, one side of the U-shaped frame and the axial through hole, so that the octave control panel is pressed on the U-shaped frame.

[0009] Further, the gyro wheel pair is arranged as at least six, and the conductive bolt pieces on the first and last gyro wheel pairs sequentially arranged on the U-shaped frame are threadedly connected with corresponding axial through holes.

[0010] Further, two fixing members are arranged on the U-shaped frame, and the roller pairs are arranged as at least six, and the first and last roller pairs arranged in sequence on the U-shaped frame are fixedly connected with the two fixing members respectively.

[0011] Further, the end of the conductive bolt arranged in all the roller pairs between the first and last roller pairs is connected with a copper shaft, the outer side of the copper shaft is provided with a conductive oil coating, and the copper shaft is arranged in the corresponding axial through hole and is in contact with the inner wall of the axial through hole through the conductive oil coating.

[0012] Further, all the limiting members are arranged along the length direction of the U-shaped frame.

[0013] Further, the roller pairs are arranged as eight.

[0014] Further, the middle two of the eight roller pairs arranged in sequence are provided with friction lines, and the outer sides of the first and last roller pairs are also provided with friction lines.

[0015] Further, the U-shaped frame is arranged in the shell, and at least part of the eight roller pairs is exposed outside the shell; the circuit connection end of the eight-degree control board is connected with the main control circuit board.

[0016] Further, the shell is embedded with a slide strip connected with the main control circuit board, and the slide strip is arranged on at least one side of the roller pairs.

[0017] Further, the upper surface of the shell is provided with note keys, skill keys and semitone keys, and the lower surface of the shell is provided with the eight-degree wheel device; the note keys, the skill keys and the semitone keys are connected with the main control circuit board, and at least one of them can be arranged as a specified chord.

[0018] The beneficial effects achieved by the utility model are as follows:

[0019] The utility model discloses eight degrees wheel device, through the setting of U type frame, make eight degrees gyro wheel set between the two side walls of U type frame, to the orderly arrangement of all eight degrees gyro wheel play certain positioning guiding effect, then through two electrically conductive bolt piece respectively from the two side walls of U type frame and insert the axial through -hole two ends inner wall of corresponding eight degrees gyro wheel, make eight degrees gyro wheel get stable support, relative to the design of the nut of single bolt direct penetration whole eight degrees gyro wheel again in prior art, advantage one is that the fixed mode of both sides electrically conductive bolt piece is more stable than the connection mode of single side fastening, advantage two is that the bolt design of whole penetration is more consumable than two single side electrically conductive bolt piece, especially electrically conductive bolt piece needs to select the material of better conductivity and rotation performance, for example copper, the design of the application is favorable to the cost reduction in mass production, simultaneously, electrically conductive bolt piece directly eight degrees control panel through the electrically conductive gasket and is pressed in one side of U type frame, can effectively prevent the connection slack of eight degrees control panel, and the electrically conductive gasket has the contact area of eight degrees control panel more than the screw cap of electrically conductive bolt piece, can effectively prevent the problem of signal transmission caused by poor contact. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are incorporated into and form a part of the specification, illustrate one embodiment consistent with the present application and, together with the description, serve to explain the principles of the application.

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, for those skilled in the art, based on the drawings, other drawings can also be obtained without creative labor.

[0022] One or more embodiments are exemplarily illustrated by the pictures in the drawings corresponding thereto, and these exemplary illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified. The drawings in the drawings do not constitute a proportional limitation.

[0023] Figure 1 is the first three-dimensional structure schematic diagram of the embodiment one of the present application;

[0024] Figure 2 is the second three-dimensional structure schematic diagram of the embodiment one of the present application;

[0025] Figure 3 is the first three-dimensional structure schematic diagram of the embodiment two of the present application;

[0026] Figure 4 is the second three-dimensional structure schematic diagram of the embodiment two of the present application.

[0027] In the drawings,

[0028] 100, U-shaped frame; 200, roller pair; 300, octave control plate; 400, shell; 500, slide bar; 110, fixing member; 120, limiting member; 210, octave roller; 220, conductive bolt member; 230, conductive gasket; 410, note key; 420, skill key; 430, semitone key. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0030] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the elements and settings of particular examples in the following description will be described with reference to specific arrangements. It will be clear, however, that this is merely an example and is not intended to limit the application. Furthermore, the application can be implemented in a wide variety of other embodiments or examples, all of which fall within the scope of the present application. Additionally, the reference numerals in the following description are by way of illustration only and are therefore by no means restrictive.

[0031] For ease of description, spatial relative terms can be used in the description to describe the relative position relationship or movement condition of one element or feature with respect to another element or feature as shown in the drawings, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over or the posture is changed or the movement state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" another element or feature will be oriented as "above" or "over" another element or feature. Therefore, the example term "below" can include both upward and downward positions. The device can be additionally oriented (rotated by 90 degrees or in other directions) and the spatial relative relationship descriptors used in the description are interpreted accordingly.

[0032] Embodiment one

[0033] The embodiments of the present application disclose an octave roller device, characterized in that comprising

[0034] U-shaped frame 100;

[0035] A plurality of roller pairs 200, each roller pair 200 comprising an octave roller 210, two conductive bolt members 220, and two conductive gaskets 230; the plurality of octave rollers 210 are arranged along the extension direction of the U-shaped frame 100, and an axial through hole is provided at the axis of the octave roller 210; the two conductive bolt members 220 respectively pass through the two side walls of the U-shaped frame 100 and contact the inner walls of the two ends of the corresponding axial through hole; the conductive gaskets 230 are located between the nuts of the conductive bolt members 220 and the corresponding side walls of the U-shaped frame 100;

[0036] An octave control panel 300 having a circuit connection end; one side of the conductive bolt member 220 is sequentially provided with a conductive gasket 230, the octave control panel 300, one side of the U-shaped frame 100, and the axial through hole, so as to press the octave control panel 300 against the U-shaped frame 100.

[0037] In this embodiment, the octave roller 210 is arranged between the two side walls of the U-shaped frame 100, which plays a certain positioning and guiding role for the orderly arrangement of all octave rollers 210; then the two conductive bolt members 220 respectively pass through the two side walls of the U-shaped frame 100 and are inserted into the inner walls of the two ends of the corresponding axial through hole of the octave roller 210, so that the octave roller 210 is stably supported, and the conductive bolt member 220 and the U-shaped frame 100 can be threadedly connected to improve the connection stability of the conductive bolt member 220; compared with the design of the prior art in which a single bolt directly penetrates the entire octave roller 210 and then a nut is screwed in, the first advantage is that the fixing mode of the two-sided conductive bolt member 220 is more stable than the connection mode of single-sided tightening; the second advantage is that the design of the entire penetrating bolt consumes more materials than the two single-sided conductive bolt members 220, especially when the conductive bolt member 220 needs to select a material with better conductivity and rotation performance, such as copper, this design is conducive to reducing the cost in mass production; at the same time, the conductive bolt member 220 directly presses the octave control panel 300 against one side of the U-shaped frame 100 through the conductive gasket 230, which can effectively prevent the connection of the octave control panel 300 from loosening, and the conductive gasket 230 has a larger contact area with the octave control panel 300 than the nut of the conductive bolt member 220, which can effectively prevent problems in signal transmission caused by poor contact.

[0038] In an optional embodiment, the octave roller 210 is made of steel to increase the wear resistance of the octave roller 210 during use.

[0039] In an alternative embodiment, the roller pairs 200 are arranged in at least six, and the conductive bolt members 220 on the first and last roller pairs 200 arranged in sequence on the U-shaped frame 100 are threadedly fixedly connected with the corresponding axial through holes, which can be provided with threads in the axial through holes, or the inner diameter of the axial through holes can be smaller than the diameter of the conductive bolt members 220, so that the conductive bolt members 220 are directly screwed into the octave rollers 210 to fix them, preventing the fingers from slipping off from the first and last ends when sliding on the octave rollers 210.

[0040] In an alternative embodiment, the U-shaped frame 100 is provided with two fixing members 110, and the roller pairs 200 are arranged in at least six, and the first and last roller pairs 200 arranged in sequence on the U-shaped frame 100 are fixedly connected with the two fixing members 110 respectively; the first and last roller pairs 200 are individually locked by the fixing members 110 to prevent the octave rollers on the roller pairs 200 from rolling and causing the fingers to slip off.

[0041] In an alternative embodiment, the roller pairs 200 are arranged in eight, and by increasing the octave range, the performer can more freely create and perform music works of different styles and different difficulties, providing a wider space for music performance, adding a sense of hierarchy and stereoscopic effect to the music, and making the performance repertoire more diversified.

[0042] In an alternative embodiment, the middle two octave rollers 210 of the eight roller pairs 200 arranged in sequence and the outer sides of the first and last octave rollers 210 are provided with friction patterns; the middle two octave rollers 210 are provided with friction patterns to facilitate the positioning of the user's fingers during use; the first and last octave rollers 210 can increase the friction to further prevent the user from slipping off the octave rollers 210 during use.

[0043] In an alternative embodiment, the ends of the conductive bolt members 200 threaded in all the roller pairs 200 between the first and last roller pairs 200 are connected with copper shafts, the outer sides of the copper shafts are provided with conductive oil coating, and the copper shafts are threaded into the corresponding axial through holes and contact and cooperate with the inner walls of the axial through holes through the conductive oil coating.

[0044] In this embodiment, the copper shafts, the conductive oil coating and the axial through holes of the octave rollers 210 contact and cooperate, which not only ensures excellent electrical conductivity between the copper shafts and the octave rollers 210, but also ensures smooth rotation of the octave rollers 210 relative to the copper shafts, with good use feel; optionally, the gap between the ends of the two copper shafts in the same octave roller 210 can be appropriately increased under the condition of ensuring good support of the conductive bolt members 220 to the octave rollers 210, to reduce the overall length of the copper shafts and reduce costs.

[0045] In an alternative embodiment, limiters 120 are arranged on both sides of all the roller pairs 200 between the first and last roller pairs 200, and all the limiters 120 are arranged along the length direction of the U-shaped frame 100. By arranging the limiters 120, the possible slippage of the rotatable octave roller 210 after loosening can be prevented.

[0046] Embodiment Two

[0047] The electric hair dryer comprises the octave roller device as described above, characterized in that the U-shaped frame 100 is arranged in a housing 400, and at least part of the octave roller 210 is exposed outside the housing 400; and the circuit connection end of the octave control board 300 is connected to the main control circuit board.

[0048] For the convenience of understanding, one of the use examples is shown as follows. The user rolls the octave roller 210 by fingers to enter the gap between the other two octave rollers 210 to trigger. The octave roller 210 first transmits a signal to the conductive bolt 220. When the conductive bolt 220 is connected to the copper shaft, the octave roller 210 should transmit the signal to the copper shaft, the copper shaft transmits the signal to the conductive bolt 220 and then to the octave control board 300, the octave control board 300 senses the transmission to the touch chip, the chip processes and enters the main control circuit board to sense and issue instructions to change the pitch.

[0049] In an alternative embodiment, the housing 400 is embedded with a slide bar 500 connected to the main control circuit board, and the slide bar 500 is arranged on at least one side of the roller pair 200. By controlling the pitch of the octave roller 210 and using the slide bar 500, the user can play more expressive slide effects.

[0050] In an alternative embodiment, the upper surface of the housing 400 is provided with note keys 410, skill keys 420 and semitone keys 430, and the lower surface of the housing 400 is provided with the octave roller device. The note keys 410, skill keys 420 and semitone keys 430 are all connected to the main control circuit board, and at least one of them can be set as a specified chord. By combining the increase of the octave range with the chord playing function, the player can easily play a variety of music, enhancing the interest and creativity of playing.

[0051] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order

[0052] Although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0053] The above description is merely illustrative of the application and does not limit the scope of the application as disclosed. Many modifications and variations to the implementations described herein will be apparent to those of ordinary skill in the art, all of which are intended to be within the scope of this application. Accordingly, the application is not to be limited nor is to be construed as limited to the examples disclosed herein but is to be controlled by the limits and the scope of the claims and their equivalents.

Claims

1. An octant wheel device, characterized by: Comprising A U-shaped frame (100); A plurality of roller pairs (200), each of which comprises an octave roller (210), two conductive bolt members (220), and two conductive gaskets (230); a plurality of the octave rollers (210) are arranged along the extension direction of the U-shaped frame (100), and an axial through hole is provided at the axis of the octave roller (210); the two conductive bolt members (220) respectively pass through the two sides of the U-shaped frame (100) and contact the inner walls of the two ends of the axial through hole; the conductive gaskets (230) are located between the nuts of the conductive bolt members (220) and the corresponding side walls of the U-shaped frame (100); An octave control board (300) with a circuit connection end; one of the conductive bolt members (220) passes through the conductive gasket (230), the octave control board (300), one side of the U-shaped frame (100), and the axial through hole in sequence to press the octave control board (300) on the U-shaped frame (100).

2. The octal wheel apparatus of claim 1, wherein: The roller pairs (200) are arranged in sequence on the U-shaped frame (100), and the conductive bolt members (220) in the first and last roller pairs (200) are threadedly connected with the corresponding axial through holes.

3. The octave wheel device of claim 1, wherein: The U-shaped frame (100) is provided with two fixing members (110), and the roller pairs (200) are arranged in sequence on the U-shaped frame (100), and the first and last roller pairs (200) are fixedly connected with the two fixing members (110), respectively.

4. The octave wheel device of claim 1 or 2, wherein: The ends of the conductive bolt members (220) passing through all the roller pairs (200) between the first and last roller pairs (200) are connected with copper shafts, the outer sides of the copper shafts are provided with conductive oil coatings, and the copper shafts pass through the corresponding axial through holes and are in contact with the inner walls of the axial through holes through the conductive oil coatings.

5. The octave wheel device of claim 4, wherein: All the roller pairs (200) between the first and last roller pairs (200) are provided with limiting members (120) on both sides, and all the limiting members (120) are arranged along the length direction of the U-shaped frame (100).

6. The octave wheel device of claim 1 or 2, wherein: The roller pairs (200) are arranged in sequence on the U-shaped frame (100), and the first and last roller pairs (200) are fixedly connected with the two fixing members (110), respectively.

7. The octave wheel device of claim 5, wherein: The octave rollers (210) of the eight roller pairs (200) arranged in sequence are provided with friction lines on the outer sides of the middle two octave rollers (210) and the first and last octave rollers (210).

8. An electric hair dryer comprising an octave wheel device as claimed in any one of the claims 1-7, characterized in that: The U-shaped frame (100) is arranged in the shell (400), and at least part of the octave rollers (210) is exposed outside the shell (400); the circuit connection end of the octave control board (300) is connected with the main control circuit board.

9. The electric hair dryer according to claim 8, characterized in that: The shell (400) is embedded with a slide strip (500) connected with the main control circuit board, and the slide strip (500) is arranged on at least one side of the roller pair (200).

10. The electric hair dryer according to claim 8, wherein: The upper surface of the shell (400) is provided with note keys (410), skill keys (420) and semitone keys (430), and the lower surface of the shell (400) is provided with the octave wheel device; the note keys (410), the skill keys (420) and the semitone keys (430) are all connected with the master control circuit board, and at least one of them can be set as a specified chord.

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