CN210123645U

CN210123645U - Erhu head with active electronic board

Info

Publication number: CN210123645U
Application number: CN201920599735.9U
Authority: CN
Inventors: 李凤明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-03-03
Anticipated expiration: 2029-04-29

Abstract

"active electronic plate urheen head", is electronic type musical instrument head, does not play power amplifier output and accompaniment output scheduling problem for solving current product, the utility model provides an active electronic plate urheen head including electromagnetic inductor, power amplifier piece, potentiometre, SD card reader, USB flash disk reader, broadcast option button, built-in battery, audio output socket, battery charging socket, headstock main part, dress trim cover, musical instrument support etc.. Wherein the function knob can be independently or synthetically adjusted to the performance, the accompaniment volume, and corresponding instrument accessible backplate operation hole is loosened or is fastened the musical instrument pole fastening bolt.

Description

Erhu head with active electronic board

(I) technical field

The utility model relates to a headstock of electronic musical instrument, in particular to an active electronic board Erhu headstock.

(II) background of the invention

The heads of the existing 'electronic erhu' and 'electronic banhu' do not have the functions of power amplifier output and music accompaniment output, and the induction signals generated by the strings by the inductor inside the heads in the playing process can be picked up and listened by external power amplifier equipment. If the accompaniment music is needed to be matched during playing; the existing headstock can be realized by other sound equipment. Because there is no built-in power amplifier, the player can not listen to his own performance and practice directly with the earphone. In the practical use, because the supported peripheral equipment is more, the existing headstock has a lot of inconvenience in use.

Disclosure of the invention

The utility model provides an "active electronic board urheen head" to solve current headstock do not have power amplifier output, do not have music accompaniment output, can not directly use functional problem such as earphone.

In order to solve the problems, the utility model adopts the technical proposal that; the utility model discloses standing groove before the positive decorative board of headstock main part is inside to be equipped with. An electromagnetic inductor and a power amplifier integrated block are arranged in the groove. When the string is played, the induction signal generated by the electromagnetic inductor is amplified by the power amplification integrated block, and the integrated block is internally composed of corresponding electronic original devices and an amplifying circuit. The back of the headstock main body is provided with a rear placing groove and a rear back plate, and the back plate is provided with two holes for arranging potentiometers. The casing and the wire part of the potentiometer are hidden in the rear placing groove, the function knob of the potentiometer is arranged outside the back plate, a through hole for the fiddle stick in the vertical direction is arranged between the front groove and the rear groove of the fiddle head main body, and the inner diameter of the through hole is larger than the outer diameter of the fiddle stick used by the fiddle stick or the two fiddle in reality.

The utility model discloses the top of headstock main part is equipped with dress trim cover, the apron also is equipped with the through-hole of upper and lower direction and with the musical instrument pole through-hole counterpoint of headstock main part, the internal diameter of apron through-hole and the real zhong hu, sliding fit is to the external diameter of banhu qin pole, musical instrument pole accessible apron through-hole top-down in the reality inserts in the musical instrument pole through-hole of headstock main part, be equipped with in the below of back standing groove with the communicating horizontal internal thread hole of headstock main part musical instrument pole through-hole, be furnished with corresponding fastening bolt in this hole, after the musical instrument pole through-hole that real musical instrument pole inserted the headstock main part, can be by this bolt top tight, be equipped with an operation hole that counterpoints with this internal thread hole in the below of backplate, the user can use instruments such as screwdriver (screwdriver), loosen or fasten fastening bolt through this operation.

The utility model is provided with a support under the head main body, a rechargeable battery, a SD card reader, a U disk reader, a button and a button support are placed in the support, a battery charging socket, an audio output socket, a SD card hole, a U disk jack, a button hole and a power switch are arranged at proper positions on the upper surface and the side surface of the support, wherein, the shell of the button is fixed by the button support in the support, the button head of the button extends out of the button hole, a wire connecting window is arranged at one side of the support where the support is connected with the head main body, connecting wires between electronic devices in the head can be connected through the window, screw holes are arranged in the two ends of the button support, corresponding positions on the surface of the support are also provided with holes corresponding to the screw holes, the button support is fixedly connected with the back surface of the support in the support through screws and screw holes, when a user plays the recorded audio file through an SD card reader or a U disk reader, the audio file can be played through a button type button; last song, next song, pause, play, etc.

The utility model discloses a headstock dress trim cover's bottom is equipped with the blind hole of in-band screw thread, and the lead screw that is equipped with this blind hole counterpoint in the upper and lower direction of headstock main part is perforated, on the headstock linkage face of headstock and headstock main part bottom, the lead screw that also is equipped with the counterpoint is perforated, and the lead screw can be through above-mentioned perforation from bottom to top pass the headstock, behind the headstock main part, twist and decorate the interior screw blind hole of apron and fasten to make headstock, headstock main part, dress trim cover become an organic whole.

The utility model discloses the bottom that the musical instrument held in the palm is equipped with the end cover board, and the end cover board can be stamped in the bottom that the musical instrument held in the palm from bottom to top, and four angles of end cover board are equipped with the screw and perforate, and four angles of musical instrument bottom of holding in the palm are equipped with corresponding interior screw hole, and the end cover board is fixed through screw and screw hole with the musical instrument bottom of holding in the palm.

The utility model discloses the musical instrument asks inside preceding, is equipped with string hook to hang round pin and hook base, and the one end of hook round pin is equipped with the screw thread, is equipped with corresponding internal thread hole on the hook base, and the screw thread one end of hook round pin can twist in the screw thread hole of hook base (the hook round pin is used for the hook string), holds in the palm the front side and the front end of bottom plate at the musical instrument that corresponds the position with the hook round pin, opens a hook square mouth separately, and this square mouth can facilitate for the hook string.

The utility model discloses the function knob of scroll head can carry out independent adjustment to the accompaniment volume of playing power amplifier volume, SD card or USB flash disk output, and audio output socket can provide audio output to external equipment, also the disembowel earphone be for the player listening.

The utility model discloses the headstock can be used for two-stringed bowed instrument or banhu respectively, and the bridge of banhu is put on the upper position on musical instrument headstock main part decorative board water flat line during the use, thereby two-stringed bowed instrument bridge is arranged in water flat line and is put on the lower position and can obtain the tone quality separately of banhu or two-stringed bowed instrument.

The utility model discloses the socket that charges of headstock can external corresponding charger, for the inside rechargeable battery of musical instrument support charges, switch can control the inside battery powered of musical instrument support, connects by the wire between all electron devices in the headstock, and detailed description is not done to concrete connection scheme this paper.

The utility model discloses the inside circuit of power amplifier integrated package in the headstock sets up scheme and electronic components, electromagnetic inductor, SD card, USB flash disk, card reader, musical instrument sign indicating number, string etc. belongs to prior art this paper and does not do the detailed description.

(IV) description of the drawings

Fig. 1 is a schematic plan view of the head body, the decorative plate, and the back plate of the present invention.

Fig. 2 is a schematic view of the rear placement groove of the headstock of the utility model.

Fig. 3 is a side view, a cross-sectional view, and a schematic position view of a built-in electronic device, of the combined headstock body, the decorative plate, and the backplate of the present invention.

Fig. 4 is a front view of the back board of the headstock of the utility model.

Fig. 5 is a schematic front view of the decorative plate of the headstock of the present invention.

Fig. 6 is a schematic view of the connection of the decorative cover plate, the headstock main body and the support of the headstock of the present invention.

Fig. 7 is a side sectional view of the decorative cover plate of the headstock of the present invention.

Fig. 8 is a bottom front view of the headstock cover plate of the present invention.

Fig. 9 is a top view of the base of the headstock of the present invention and a schematic position diagram of the electronic device inside the base.

Fig. 10 is a side view of the headstock and the inside position of the hook pin and the hook base of the present invention.

Fig. 11 is a front view of the bridge of the headstock of the present invention and a schematic view of the internal position of the hook pin and the hook base after they are combined.

Fig. 12 is a schematic side view of the combination of the button support, the button and the back of the cradle of the headstock of the present invention.

Fig. 13 is a schematic top view of the button holder and the button of the headstock of the present invention.

Fig. 14 is a schematic view of the combination connection, square opening, hook pin and hook base of the bottom cover plate of the headstock of the present invention.

Fig. 15 is a schematic view of the combined headstock and actual shaft of the present invention.

(V) detailed description of the preferred embodiments

Referring to fig. 1, 2, 3, 4, and 5, a front placement groove 3 is provided in the decorative plate 2 on the front surface of the head body 1. An electromagnetic inductor 4 and a power amplifier integrated block 5 are arranged in the groove. The back of the headstock body 1 is provided with a rear placing groove 6 and a rear back plate 7, and the rear back plate 7 is provided with a hole 8 for placing a potentiometer. The housing 9 of the potentiometer is hidden in the rear placing groove 6, and the function knob 10 of the potentiometer is placed on the outer side of the back plate 7. Between the front placement groove 3 and the rear placement groove 6, a through hole 11 for a shaft in the vertical direction is provided, and the inner diameter of the through hole is larger than the outer diameter of a shaft 12 for a real banhu or erhu.

With reference to fig. 1, 2, 3, 4, 6, 7, 8, a decorative cover plate 13 is provided above the head body 1, the cover plate is provided with a through hole 14 in the vertical direction and is opposite to the rod through hole 11, and the inner diameter of the cover plate through hole 14 is in sliding fit with the outer diameter of the actual rod 12. The rod 12 can be inserted into the rod through-hole 11 from the top down through the cover plate through-hole 14. Below the rear placement groove 6, a transverse internally threaded hole 15 communicating with the rod through hole 11 is provided, in which a corresponding fastening bolt 16 is fitted, which bolt 16 can be tightened when the rod is inserted into the rod through hole 11. An operation hole 17 aligned with the internal thread hole 15 is provided below the back plate 7. The user can loosen or tighten the fastening bolt 16 through the operation hole 17 with a tool such as a screwdriver.

A base 18 is provided on the lower surface of the head main body 1 in combination with fig. 6, (7), (8), (9), (11), (12) and (13). The rechargeable battery 19, the SD card reader 20, the U disk reader 21, the button 22 and the button support 23 are arranged in the piano support. The upper surface and the side surface of the musical instrument support are provided with a battery charging socket 24, an audio output socket 25, an SD card socket 26, a U disk socket 27, a button outlet 28 and a power switch 29. Wherein the button-type button housing 30 is fixed inside the cradle by the button holder 23, and the button head 22 of the button protrudes out of the button hole 28. A wire connecting window 31 is formed in one surface of the bridge 18 where the bridge 18 is connected to the bottom of the headstock body 1. The button-type button support 23 is provided with support internal thread holes 32 at both ends thereof, and holes 33 corresponding to the holes are also provided at corresponding positions on the surface of the support 18. The button holder 23 is fixedly connected to the back surface of the base surface inside the base by screws 34.

The bottom of the decorative cover plate 13 is provided with a blind hole 35 with internal threads in combination with the drawing (1), the drawing (6), the drawing (7), the drawing (8) and the drawing (9). A lead screw through hole 36 is provided in the vertical direction of the head main body 1 so as to be aligned with the blind hole 35. Screw insertion holes 37 are also provided in the butt engaging surfaces of the butt 18 and the bottom of the headstock body 1. The screw 38 is screwed into the blind hole 35 of the decorative cover plate after passing through the screw through hole 37 of the cradle and the screw through hole 36 of the headstock body from bottom to top, and the cradle, the headstock body and the decorative cover plate are integrated.

Referring to fig. 14, the base plate 39 is provided at the bottom of the cradle 18, and the screw through holes 40 are provided at the four corners of the base plate, and the corresponding internal screw holes 41 are provided at the four corners of the bottom of the cradle, and the base plate and the bottom of the cradle are fixed by screws 42.

In the front surface of the interior of the cradle 18 shown in fig. 9, 10, 11, 14, a string hooking pin 43 and a hooking base 44 are provided. One end of the hooking pin 43 is provided with a thread (not shown in the drawings), and the hooking base 44 is also provided with a corresponding threaded hole (not shown in the drawings), and the threaded end of the hooking pin 43 can be screwed into the threaded hole of the hooking base 44. The front side surface of the piano support corresponding to the hooking pin 43 is provided with a square opening 45, the front end of the bottom cover plate 39 is also provided with a square opening 46, and the two square openings can provide convenience for hooking the strings.

Injecting; the utility model discloses when the headstock is used for two-stringed bowed instrument, banhu respectively, the "horizontal central line" on its main part decorative board to and relevant musical instrument sign indicating number is on the upper side or the lower position on the side of "horizontal central line", and the detailed view explanation is not done to this explanation. The wires of all electronic components inside the headstock are connected, and the amplifying circuit inside the power amplification block is connected, and the like, and the illustration is not shown in the description.

Claims

1. The Erhu head of active electronic board is characterized in that a front placing groove is arranged in a decorative board on the front face of a head main body, an electromagnetic inductor and a power amplification integrated block are arranged in the front placing groove, when a string is played, an induction signal generated by the electromagnetic inductor can be amplified by an electronic circuit and an electronic component in the power amplification integrated block, a rear placing groove and a rear back plate are arranged on the back face of the head main body, a hole for placing a potentiometer is arranged on the rear back plate, a shell and a lead part of the potentiometer are hidden in the rear placing groove, a function knob of the potentiometer is arranged on the outer side of the back plate, a through hole of a rod in the vertical direction is arranged between the front placing groove and the rear placing groove of the head main body, the inner diameter of the through hole is larger than the outer diameter of the rod used by a real Banhu or Erhu, a decorative cover plate is arranged above the head main body, a through hole in the vertical direction is arranged on the decorative cover plate and, the inner diameter of the through hole of the decorative cover plate is in sliding fit with the outer diameter of the rod of the Erhu or Banhu fiddle in reality, the rod in reality can be inserted into the rod through hole of the head main body from top to bottom through the through hole of the decorative cover plate, a transverse internal threaded hole communicated with the rod through hole of the head main body is arranged below the rear placement groove, a corresponding fastening bolt is arranged in the transverse internal threaded hole, an operation hole aligned with the internal threaded hole is arranged below the rear back plate, a musical instrument support is arranged below the head main body, a rechargeable battery, an SD card reader, a USB flash disk reader, a button and a button support are arranged in the musical instrument support, a battery charging socket, an audio output socket, an SD card hole, a USB flash disk jack, a button outlet hole and a power switch are arranged at proper positions on the upper surface and the side surface of the musical instrument support, a shell of the button is fixed by the button support in the musical instrument, a wire connecting window is arranged on one side of the musical instrument support at the joint of the musical instrument support and the musical instrument head main body, a connecting wire between electronic devices inside the musical instrument head can be connected through the window, screw holes are arranged at two ends of a button type button support, holes corresponding to the screw holes are also arranged at corresponding positions on the surface of the musical instrument support, the button support is fixedly connected with the back of the musical instrument support surface inside the musical instrument support through screws and screw holes, a blind hole with internal threads is arranged at the bottom of a decorative cover plate of the musical instrument head, screw rod through holes aligned with the blind holes are arranged in the up-down direction of the musical instrument head main body, aligned rod through holes are also arranged on the joint surface of the musical instrument support and the musical instrument support at the bottom of the musical instrument head main body, the screw rods penetrate through the musical instrument support and the musical instrument head main body from bottom to top and are screwed into the blind holes of the decorative cover plate for fastening, a bottom cover plate is arranged at the bottom of the musical instrument, four angles of end cover board are equipped with the screw and perforate, and four angles of musical instrument support bottom are equipped with corresponding internal thread hole, end cover board is fixed through screw and screw hole with the musical instrument support bottom, hold in the palm inside preceding at the musical instrument, be equipped with string hook and hang round pin and hook base, the one end of hook round pin is equipped with the screw thread, be equipped with corresponding internal thread hole on the hook base, the screw thread one end of hook round pin is twisted in the screw thread hole of hook base, hold in the palm the front side and the front end of end cover board at the musical instrument that corresponds the position with the hook round pin, it has a hook square mouth to open separately.

2. The active electronic board urheen head according to claim 1, wherein the functional knobs of the head can independently adjust the volume of the power amplifier output and the volume of the accompaniment output by the SD card reader or the usb disk reader during playing, and the audio output socket can provide audio output to external audio equipment or can be directly inserted into an earphone for the player to listen.

3. An active electronic board urheen head according to claim 1, wherein the head is adapted for use with a urheen or a banhu respectively, the bridge of the banhu being located in use above the horizontal centre line of the body of the head and the bridge of the urheen being located below the horizontal centre line, whereby the respective timbres of the urheen and the banhu are obtained.