Eight-degree control device and electric blowing pipe

Abstract

The utility model relates to the technical field of electroacoustic musical instruments, in particular to an octave control device and an electric blowing pipe, which comprises a frame, a plurality of shaft grooves and avoiding grooves communicated below the shaft grooves; the roller assembly is provided with two connecting ends, and the two connecting ends are arranged in the two opposite shaft grooves; the upper end of the frame is provided with a shaft groove and a receding groove, the upper end of the control panel is provided with a plurality of conductive parts, the conductive parts are arranged in the receding groove, and the conductive parts and the connecting ends are fixed through locking parts and are electrically connected, and the design of the shaft groove and the receding groove is adopted above the frame, so that the conductive parts of the control panel can be directly inserted into the receding groove; after the roller assemblies are installed in the corresponding shaft grooves, the roller assemblies can be locked and fixed through the locking pieces, electric conduction is completed at the same time, the stability of the roller assemblies can be effectively improved by fixing the roller assemblies from the upper side, and meanwhile due to the fact that circuit conduction paths are reduced, the service life of the roller assemblies is prolonged. Therefore, the overall structure is simpler to install and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric musical instrument technical field especially, it relates to a octave control device and electric pipe. BACKGROUND

[0002] Electric pipe class electric musical instrument, such as electric pipe, MID breath controller and electronic flute etc., is the electronic musical instrument commonly used in modern music performance.These instruments are played by holding with both hands and blowing with mouth, and its internal sensor circuit can detect blowing strength, and key circuit detects finger action.Through software program processing these input signals, various sounds are synthesized.

[0003] When synthesizing note sound, determining the pitch (frequency) of note is crucial, which includes the name of note and the octave where the note is located.Switching octave smoothly in performance is crucial for music expressiveness.

[0004] At present, the scroll wheel assembly of octave control device usually adopts side fixing mode.Because the rotation of scroll wheel assembly and the axis of side bolt coincide, the side bolt is prone to loosening after long time use.This loosening not only affects the stability of scroll wheel assembly, but also may affect the contact stability of the whole circuit, and further affect the performance effect of instrument and music expressiveness. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in prior art that side fixing mode is prone to loosening side bolt, and affecting the performance effect of instrument and music expressiveness, and provides a octave control device and electric pipe.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] Design a octave control device, comprising:

[0008] Frame, with multiple shaft slots and the avoidance slot communicated below the shaft slot;

[0009] Scroll wheel assembly, with two connecting ends, two connecting ends are placed in opposite two shaft slots;

[0010] And control panel, the upper end of control panel has several conductive parts, the conductive part is placed in the avoidance slot, and is fixed and electrically connected through locking part and connecting end.

[0011] Further, multiple shaft slots are arranged along the two side edges of frame length direction and penetrate to the upper side of frame, and the shaft slot forms a side blocking part with the side edge of frame;

[0012] The two sides of the shaft slot are oppositely arranged, the avoiding slot is formed in the bottom of the frame, and a stop portion is formed between the shaft slot and the avoiding slot.

[0013] Further, the roller assembly comprises a shaft member and a roller sleeved outside the shaft member, and a rotating part is arranged between the roller and the shaft member.

[0014] Further, the rotating part is a bearing;

[0015] The two ends of the shaft member are provided with step portions, the bearing is sleeved at the step portions, and a step opening is formed in the end of the roller, and the outer ring of the bearing is embedded in the step opening.

[0016] Further, the connecting end is a part of the shaft member extending to the outside of the roller;

[0017] The upper side of the connecting end is provided with a flat portion, the locking member penetrates the connecting end and is connected with the conductive member, and the head end of the locking member abuts against the flat portion.

[0018] Further, the device further comprises a slide strip;

[0019] The upper ends of the frame are provided with recessed groove positions, the slide strip is embedded in the recessed groove positions and covers the upper sides of the shaft slots.

[0020] Further, the bottom of the slide strip is provided with a plurality of first conductive portions penetrating the frame, the first conductive portions are electrically connected with the control plate and are fixed through a connecting member.

[0021] Further, the device further comprises two end touch buttons, and the two end touch buttons are respectively arranged at the two ends of the plurality of roller assemblies.

[0022] The end touch buttons also have second conductive portions penetrating the frame, the second conductive portions are electrically connected with the control plate and are fixed through a connecting member.

[0023] Further, the bottom of the control plate is provided with a connecting pin, and the conductive member is a welding nut welded on the control plate.

[0024] In addition, the utility model discloses a kind of electric hair dryer, including the device as above.

[0025] The utility model provides a kind of octaves control device and electric blow pipe, beneficial effect lies in: the utility model discloses the design of shaft slot and avoidance groove is used in the top of frame, the electrically conductive part of control panel can be directly inserted into avoidance groove, after roller assembly is installed in corresponding shaft slot, it can be locked and fixed by locking member and complete electrical conduction simultaneously, the stability of roller assembly can be effectively improved by the structure design by being fixed from the upper side to roller assembly, and since the circuit conduction path is reduced, so that overall structure installation and maintenance are more simple. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the perspective view of the utility model;

[0027] Figure 2 It is the exploded structural schematic view of the utility model;

[0028] Figure 3 It is the frame structure schematic view of the utility model;

[0029] Figure 4 It is the roller assembly structure schematic view of the utility model;

[0030] Figure 5 It is the cross section structure schematic view of the utility model;

[0031] Figure 6 It is the connecting pin structure schematic view of the utility model.

[0032] In the drawing: 1, frame;11, shaft slot;12, avoidance groove;13, side stop;14, stop;15, recess position;2, roller assembly;20, connecting end;21, shaft;211, terrace part;22, roller;221, terrace mouth;23, rotating part;24, plane part;3, control panel;31, electrically conductive part;32, locking member;33, connecting pin;4, slide strip;41, first electrically conductive part;5, end touch button;51, second electrically conductive part. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0034] Refer to Figures 1-6 It is one embodiment of the utility model, and it discloses a kind of octaves control device, specifically the octaves control device includes frame 1, with multiple shaft slots 11 and with the avoidance groove 12 communicated in the shaft slot 11 below, the frame 1 is the installation basis of entire device;

[0035] Refer to Figure 3 ,Figure 4 Further comprising a roller assembly 2, having two connecting ends 20, two said connecting ends 20 are placed in the opposite two said shaft grooves 11, as preferred, the roller assembly 2 in the embodiment is provided with six, and equidistantly distributed in the inside of the frame 1, and a control panel 3, the upper end of the control panel 3 has several conductive pieces 31, the conductive pieces 31 are placed in the avoiding groove 12, and fixed and electrically connected through the locking piece 32 and the connecting end 20.

[0036] Referring to Figure 6 In a preferred embodiment, the bottom of the control panel 3 in the utility model is provided with a connecting pin 33, which is used for electrical connection with the electric blower pipe, and the connecting pin 33 in the embodiment can be provided as a pin needle structure, which is a conventional means for persons skilled in the art, and will not be described here;

[0037] The conductive piece 31 is a welded nut welded on the control panel 3, the welded nut is provided with a plurality of conductive pieces 31, and the locking piece 32 is provided as a conductive bolt, that is, when the roller assembly 2 is installed, the bolt is connected between the connecting end 20 and the control panel 3, so as to realize the electrical connection of the roller assembly 2 and the control panel, and the control panel 3 is provided with a capacitive touch sensing chip, the touch sensing chip is electrically connected through the conductive piece 31, the locking piece 32 and the roller assembly 2, when the roller assembly 2 is touched, the control panel 3 senses the touch and generates a touch control signal.

[0038] Referring to Figure 3 In some embodiments, the plurality of shaft grooves 11 in the utility model are arranged along the two side edges of the frame 1 in the length direction and penetrate to the upper side of the frame 1, the shaft groove 11 and the side edge of the frame 1 form a side stop 13, and the bottom of the shaft groove 11 in the specific embodiment is in a circular arc structure to form a U-shaped shaft groove 11, the purpose of using the circular arc structure is to adapt to the shaft 21, so as to improve the support stability of the shaft 21, and the side stop 13 can realize the side stop of the connecting end 20, so as to ensure the transverse position stability of the roller assembly 2 after installation.

[0039] The two shaft grooves 11 on the two sides are oppositely arranged, and each pair of opposite shaft grooves 11 is a group for placing one roller assembly 2, the avoiding groove 12 is formed in the bottom of the frame 1 and forms a stop 14 with the shaft groove 11, and the stop 14 is used for bearing the connecting end 20.

[0040] Referring to Figure 4 , Figure 5On the basis of the above-mentioned embodiment, the roller assembly 2 comprises a shaft 21 and a roller 22 sleeved outside the shaft 21, both ends of the shaft 21 are respectively inserted into the opposite two shaft grooves 11 and horizontally placed, a rotating part 23 is arranged between the roller 22 and the shaft 21, the rotating part 23 is used to ensure that the roller 22 freely rotates on the shaft 21, so as to adapt to the sliding convenience when the octave is controlled.

[0041] Specifically, the rotating part 23 in the embodiment is a bearing;

[0042] Referring to Figure 5 , both ends of the shaft 21 have a landing part 211, the bearing is sleeved at the landing part 211, a landing opening 221 is formed at the end of the roller 22, the outer ring of the bearing is embedded in the landing opening 221, of course, two bearings are arranged in the embodiment, that is, both ends of the shaft 21 are provided with the landing part 211, both ends of the roller 22 are also provided with two landing openings 221, the rotating resistance of the roller 22 can be reduced by the design of the bearing, so that the circuit conduction is more smooth and stable, of course, the roller 22, the bearing and the shaft 21 in the embodiment are all provided with a conductive part, so as to ensure the electrical connection with the control panel 3.

[0043] In addition, the connecting end 20 is a part that the end of the shaft 21 extends to the outside of the roller 22;

[0044] Referring to Figure 4 , a flat part 24 is arranged on the upper side of the connecting end 20, the locking part 32 penetrates the connecting end 20 and is connected with the conductive part 31, and the head end of the locking part 32 abuts on the flat part 24, that is, when assembling, first place the two connecting ends 20 at both ends of the shaft 21 in the opposite two shaft grooves 11, then penetrate the connecting end 20 by the locking part 32, after the locking part 32 is threadedly connected with the conductive part 31, the head end thereof abuts above the flat part 24, so as to realize the fixation of the whole roller assembly 2.

[0045] Referring to Figure 1 , Figure 2 As preferred, the embodiment further comprises a slide bar 4, and the slide bar 4 in the embodiment is provided with two and is respectively located on the length direction of the frame 1;

[0046] The upper end of the frame 1 is provided with a recessed position 15 on both sides, the slide bar 4 is embedded in the recessed position 15 and covers the plurality of shaft grooves 11, the slide bar 4 is designed to realize the slide effect control, and in addition, the slide bar 4 is arranged above the plurality of shaft grooves 11 in the embodiment, which not only facilitates operation but also can shield the plurality of shaft grooves 11, so as to further improve the overall appearance and protection effect of the internal locking member 32.

[0047] Referring to Figure 2 , of course, in order to realize the electrical connection of the slide bar 4, the bottom of the slide bar 4 has a plurality of first conductive parts 41 penetrating the frame 1, the first conductive parts 41 are electrically connected with the control panel 3 and are fixed by a connecting piece, and as preferred, the connecting piece is also provided as a conductive bolt, which is upwardly provided along the bottom of the control panel 3 and is threadedly connected with the first conductive part 41, so as to realize the fixation of the entire slide bar 4, and specifically, three first conductive parts 41 are arranged below each slide bar 4.

[0048] Referring to Figure 2 , furthermore, the utility model also includes two end touch buttons 5, the two end touch buttons 5 are respectively located at both ends of the plurality of roller assemblies 2, an arc-shaped guide surface is arranged on the side of the end touch button 5 towards the roller assembly 2, so as to facilitate the user to slide and contact, and by adopting the two end touch buttons 5, the control of the sliding position during playing is facilitated, that is, when the user slides and adjusts, when the end touch button 5 is touched, it is known that the endmost position has been reached, so as to facilitate the control of the position of the octave sliding adjustment.

[0049] Referring to Figure 2 , the end touch button 5 also has a second conductive part 51 penetrating the frame 1, the second conductive part 51 is electrically connected with the control panel 3 and is fixed by a connecting piece, and of course, the connecting piece is also provided as a conductive bolt, and the specific connection mode can be referred to the above description.

[0050] Further, the utility model also proposes an electric hair drier, which comprises the device as above.

[0051] In summary, in the utility model, the shaft groove 11 and the avoiding groove 12 are arranged above the frame 1, so that the conductive part 31 of the control panel 3 can be directly inserted into the avoiding groove 12, after the roller assembly 2 is installed in the corresponding shaft groove 11, the locking member 32 can be used for locking and fixing and completing electrical conduction at the same time, the structure design can effectively improve the stability of the roller assembly 2 by fixing the roller assembly 2 from the upper side, and since the circuit conduction path is reduced, the overall structure installation and maintenance are more simple.

[0052] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. An octave control device, characterized by The utility model relates to a frame (1) with a plurality of shaft slots (11) and an escape slot (12) communicated below the shaft slot (11), a roller assembly (2) with two connection ends (20) placed in the opposite two shaft slots (11), and a control board (3) with a plurality of conductive parts (31) placed in the escape slot (12) and fixed and electrically connected by the locking part (32) and the connection end (20). The plurality of shaft slots (11) are arranged along the two side edges of the frame (1) in the length direction and penetrate the upper side of the frame (1), and the shaft slot (11) forms a side stop part (13) with the side edge of the frame (1). The shaft slots (11) on the two sides are oppositely arranged, and the escape slot (12) is formed on the bottom of the frame (1) and forms a stop part (14) with the shaft slot (11). The roller assembly (2) comprises a shaft part (21) and a roller (22) sleeved outside the shaft part (21), and a rotating part (23) is arranged between the roller (22) and the shaft part (21).

2. An octave control device as claimed in claim 1, characterised in that: The rotating part (23) is a bearing. The two ends of the shaft part (21) have a step part (211), the bearing is sleeved at the step part (211), and a step opening (221) is formed in the end of the roller (22), and the outer ring of the bearing is embedded in the step opening (221).

3. An octave control device as claimed in claim 1, characterized in that: The connection end (20) is a part of the shaft part (21) extending to the outside of the roller (22).

4. An octave control device as claimed in claim 3, characterised in that: The upper side of the connection end (20) is provided with a flat part (24), the locking part (32) penetrates the connection end (20) and is connected with the conductive part (31), and the head end of the locking part (32) abuts against the flat part (24). It also comprises a slide strip (4).

5. An octave control device as claimed in claim 3, characterised in that: The upper sides of the two sides of the frame (1) are provided with recessed positions (15), the slide strip (4) is embedded in the recessed position (15) and covers the plurality of shaft slots (11). The bottom of the slide strip (4) has a plurality of first conductive parts (41) penetrating the frame (1), the first conductive part (41) is electrically connected with the control board (3) and is fixed by a connecting part.

6. An octave control device as claimed in claim 1, characterized in that: It also comprises two end touch buttons (5) respectively located at the two ends of the plurality of roller assemblies (2). The end touch button (5) also has a second conductive part (51) penetrating the frame (1), the second conductive part (51) is electrically connected with the control board (3) and is fixed by a connecting part.

7. An octave control device as claimed in claim 6, characterised in that: The bottom of the control board (3) is provided with a connecting pin (33), and the conductive part (31) is a welded nut welded on the control board (3).

8. An octave control device as claimed in claim 1, characterized in that: The utility model relates to a frame (1) with a plurality of shaft slots (11) and an escape slot (12) communicated below the shaft slot (11), a roller assembly (2) with two connection ends (20) placed in the opposite two shaft slots (11), and a control board (3) with a plurality of conductive parts (31) placed in the escape slot (12) and fixed and electrically connected by the locking part (32) and the connection end (20). ​ 9. An octave control device as claimed in claim 1, characterized in that: ​ 10. An electric hair dryer comprising: ​

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