CN214226497U

CN214226497U - Zither rack is used in training of zither that adapts to different heights

Info

Publication number: CN214226497U
Application number: CN202023318497.1U
Authority: CN
Inventors: 宋瑾
Original assignee: XI'AN CONSERVATORY OF MUSIC
Current assignee: XI'AN CONSERVATORY OF MUSIC
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-17
Anticipated expiration: 2030-12-31

Abstract

A Chinese zither placing frame suitable for Chinese zither training with different heights comprises a placing frame, wherein the left side and the right side below the placing frame are fixedly connected with fixed supports, an installation box is fixedly connected between the two fixed supports, a movable support is respectively arranged below the two fixed supports, a rotating rod is rotatably connected in the installation box, five first bevel gears are fixedly connected on the rotating rod, a second bevel gear which is matched with the first bevel gear is arranged below the first bevel gear, the two second bevel gears on the left side and the right side drive the movable bracket to move up and down by driving the first screw rod to rotate, the bottom end of the second bevel gear at the middle position is fixedly connected with a transmission rod, and the third bevel gear is driven by the transmission rod to further drive the fourth bevel gear, thereby realizing the back and forth movement of the seat plate, the supporting legs on the seat plate are also connected with pedals in a vertical sliding way, bevel gears on the left side and the right side of the transmission rod can also drive the pedals to move back and forth through a third screw rod.

Description

Zither rack is used in training of zither that adapts to different heights

Technical Field

The utility model relates to a zither rack correlation technique field specifically is a zither rack is used in training of adaptation zither of different heights.

Background

The koto is also named as a Chinese koto, a Qin koto, a Yao koto and a luan koto, is a traditional musical instrument of Chinese nationality, belongs to plucked musical instruments, is one of unique and important national musical instruments of China, has beautiful timbre, wide range of tone field, rich playing skill and quite strong expressive force, is deeply loved by masses of people, is a ancient national musical instrument along with long culture of China, and is native and native on the fertile loess land, when playing, a first groove of a piano foot on the right side of the koto is placed on the higher side, an S-shaped mountain inside the koto is placed on the shorter side, and the placement position of the koto influences the tone color emitted by the koto.

Most of the zither frames in the prior art are wooden and can only be played according to the playing field

The height of the proper support is adjusted according to different conditions, but the distance between the seat and the Chinese zither is difficult to grasp for beginners, the distance between the height of the support and the ground is also difficult to grasp, the improper height can not only lead the learner to have more than half the effort, but also lead the learner to develop a bad playing habit.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve among the prior art scheme can not help it to correct the body appearance to the beginner and a zither rack is used in zither training that adapts to different heights that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a Guzheng placing frame suitable for Guzheng training with different heights comprises a placing frame, wherein the left side of the placing frame is higher than the right side of the placing frame, the left end and the right end of the bottom of the placing frame are respectively and fixedly connected with a fixed support, the bottom of the placing frame is also fixedly connected with an installing box, a horizontally arranged rotating rod is rotatably connected to the top end in the installing box, five vertically arranged first bevel gears are fixedly connected to the surfaces of the rotating rods, second bevel gears matched with the first bevel gears are horizontally arranged below the first bevel gears and are meshed with the second bevel gears;

the novel adjustable lead screw is characterized in that a through hole is formed in the fixed support, a movable support is arranged below the through hole, a first lead screw is arranged in the through hole, a fixed block is embedded in the movable support, a second bevel gear is fixedly connected to the top end of the first lead screw, and the bottom of the first lead screw penetrates through the fixed block and is in threaded connection with the fixed block.

A transmission rod is arranged at the middle position in the installation box, the top end of the transmission rod is fixedly connected with a second bevel gear, the bottom of the transmission rod is fixedly connected with a third bevel gear which is horizontally arranged, a fourth bevel gear which is matched with the third bevel gear is vertically arranged on the front side of the third bevel gear and is mutually meshed with the fourth bevel gear, a third lead screw which is horizontally arranged is fixedly connected at the middle position of the fourth bevel gear, and the surface of the third lead screw is fixedly connected with a seat plate through a connecting block;

the left side and the right side of the transmission rod are respectively provided with a second lead screw, the top end of the second lead screw is fixedly connected with a second bevel gear, the bottom end of the second lead screw is in threaded connection with a first sliding block, and a first sliding groove is vertically formed in the installation box corresponding to the first sliding block;

the seat bottom fixedly connected with four landing legs, wherein two landing legs that are close to the install bin relatively have a footboard of sliding connection respectively, the footboard is linear motion about the landing leg, footboard still sliding connection has the connecting rod, the footboard is linear motion about for the connecting rod, connecting rod fixed connection is in slider No. one.

Preferably, the screw pitches of the first screw rod, the transmission rod and the second screw rod are not consistent.

Preferably, a lead screw bottom fixedly connected with limiting plate, the fixed block below corresponds the limiting plate and is provided with the hole in the movable support, the fixed block top corresponds a lead screw and is provided with the hole in the movable support, the hole top extends to outside the movable support.

Preferably, the right side of the bottom of the seat plate is fixedly connected with a connecting block, and the left end face of the screw is fixedly connected with a limiting block.

Preferably, the pedal left side fixedly connected with No. three sliders, No. three sliders are vertically provided with No. three spouts in the landing leg correspondence, connecting rod top fixedly connected with No. two sliders, correspond No. two sliders in the pedal and still horizontally be provided with No. two spouts.

Preferably, both ends all run through the install bin and extend to outside the install bin about the dwang, dwang left end fixedly connected with hand wheel, the part that the install bin right-hand member is located outside the install bin is provided with the external screw thread to the spiro union has the anti-back nut.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

the utility model discloses a dwang drives five bevel gears No. one, and then drives five bevel gears No. two, and then realizes controlling the distance of seat and footboard and install bin, the change of control rack height, the height of control footboard, the time of having saved the user in turn and adjusting the distance promptly makes the operation simplify, still makes the user can select suitable distance of playing according to the height for the user can select the most appropriate position of playing according to own height.

The utility model discloses still be provided with and prevent moving back the nut in order to prevent to influence each position change by gravity at the playing in-process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partially enlarged view of point A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 4 is a cross-sectional view taken along line C-C of fig. 1.

In the figure: 1. placing a rack; 2. a third bevel gear; 3. a fourth bevel gear; 4. a transmission rod; 5. a first bevel gear; 6. a second bevel gear; 7. rotating the rod; 8. a back-off prevention nut; 9. fixing a bracket; 10. a first lead screw; 11. a fixed block; 12. a movable support; 13. Installing a box; 14. a second lead screw; 15. a first chute; 16. a first sliding block; 17. A hand wheel; 18. a third screw rod; 19. connecting blocks; 20. a seat plate; 21. a limiting block; 22. a support leg; 23. a pedal; 24. a connecting rod; 25. a second chute; 26. a third sliding block; 27; a third sliding chute; 28. a second sliding block; 29. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, a zither rack for zither training that adapts to different heights, includes rack 1, rack 1 left side is higher than the right side so that place the zither better, makes its more suitable zither playing habit.

1 bottom fixedly connected with install bin 13 of rack, install bin 13 is inside to be hollow structure to rotating dwang 7 that is connected with the level setting through the bearing frame on inside top, both ends all run through install bin 13 and extend to outside install bin 13 about dwang 7, dwang 7 left end face fixedly connected with hand wheel 17 is so that rotate, and the part that the left side is located the install bin 13 outside is provided with the external screw thread to there is anti-back nut 8 through the external screw thread spiro union, the user can go to rotate dwang 7 through hand wheel 17 in the use, later screws up anti-back nut 8 again, utilizes packing force and frictional force restriction dwang 7 to rotate at will.

Dwang 7 surface still bevel gear 5 of five vertical settings of fixedly connected with, bevel gear 5 below level is provided with No. two bevel gear 6 of looks adaptation to with No. two bevel gear 6 intermeshing, the user has realized the pivoted transmission through bevel gear 5 and No. two bevel gear 6 mutually supporting, makes the pivoted direction can realize 90 rotations, also makes things convenient for people to control entire system motion through dwang 7 simultaneously.

Both ends still do not fixedly connected with a fixed bolster 9 about rack 1, the inside through-hole that is provided with of mount to link up with install bin 13, be provided with No. two lead screws 14 in the through-hole, two No. two lead screw 14 bottoms respectively with a No. two bevel gear 6 fixed connection.

Referring to fig. 1 and 2, a movable support 12 is further disposed below the fixed support 9, the movable support 12 is L-shaped, a fixed block 11 is embedded in an inner portion of an "L" vertical portion, a through hole adapted to the first lead screw 10 is disposed in a middle position of the fixed block 11, a limit plate 29 is fixedly connected to a bottom of the first lead screw 10, an inner hole is disposed below the fixed block 11 in the movable support 12 corresponding to the limit plate 29, the limit plate 29 is located in the inner hole, a hole is disposed above the fixed block 11 in the movable support 12 corresponding to the first lead screw 10, a diameter of the hole is larger than that of the first lead screw 10 and smaller than that of the fixed block 11, and a top end of the hole extends out of the movable support 12, when a user rotates the rotating rod 7, the first bevel gear 5 drives the second bevel gear 6 to further drive the first lead screw 10 to rotate, and distance between the fixed support 9 and the movable support 12 is increased and reduced through cooperation between, thereby realizing the height change of the placing rack 1.

Referring to fig. 3 and 4, the horizontal portion of the movable support 12 is tightly attached to the ground to increase the contact area with the ground and improve the stability.

Referring to fig. 1 and 3, a transmission rod 4 is further disposed in the middle of the installation box 13, a second bevel gear 6 is fixedly connected to the top end of the transmission rod 4, a horizontally disposed third bevel gear 2 is fixedly connected to the bottom end of the transmission rod, a fourth bevel gear 3 which is to be adapted is further disposed on the front side of the third bevel gear 2 and is meshed with the fourth bevel gear 3, the second bevel gear 6 drives the third bevel gear 2 to further drive the fourth bevel gear 3 to rotate, and the rotation direction is changed on a three-dimensional plane.

No. 3 intermediate positions of No. four bevel gears are fixedly connected with No. three lead screws 18 that a level set up, No. three lead screws 18 run through install bin 13 and extend to outside the install bin 13, No. three lead screws 18 keep away from install bin 13 one side relatively and have cup jointed connecting block 19 to through connecting block 19 swing joint have a seat 20, connecting block 19 fixed connection leans on right position in the middle of the terminal surface under seat 20, drives No. four bevel gears 3 and then drives No. three lead screws 18 rotatory through rotating dwang 7, realizes the back-and-forth movement of seat 20 through connecting block 19 and No. three lead screws 18 mutually supporting.

No. three lead screw 18 is kept away from installation box 13 one end still fixedly connected with stopper 21 relatively and is prevented that No. three lead screw 18 and connecting block 19 break away from.

The four corners below the seat plate 20 are further respectively and fixedly connected with a supporting leg 22, and a universal wheel with a self-locking structure is fixedly connected below the supporting leg 22 so as to be convenient to move.

Referring to fig. 1 and 4, a third sliding groove 27 is vertically arranged on each of two support legs 22 relatively close to the installation box 13, a third sliding block 26 is slidably connected in the third sliding groove 27, a pedal 23 is fixedly connected to the right end of the third sliding block 26, and the pedal 23 can move up and down linearly relative to the support legs 22.

4 left and right sides of transfer line are provided with a No. two lead screw 14 respectively, No. two lead screw 14 use transfer line 4 as the symmetrical line, No. two bevel gear 6 of fixedly connected with respectively in two 4 tops of transfer line, slider 16 of bottom difference fixedly connected with, 16 intermediate positions of slider are provided with the internal thread hole with No. two lead screw 14 looks adaptations to through internal thread and No. two lead screw 14 spiro unions, it is provided with a spout 15 to correspond a slider 16 in the install bin 13, and when the user rotated dwang 7, No. two bevel gear 6 drove No. two lead screw 14 and rotate, because a spout 15 restricts a slider 16 and rotates simultaneously, linear motion about slider 16 will be for install bin 13.

The front side of the first sliding block 16 is also fixedly connected with a connecting rod 24, the connecting rod 24 penetrates through the installation box 13 and extends to the lower part of the pedal 23, the connecting rod 24 is relatively far away from a second sliding block 28 fixedly connected with the upper part of one end of the installation box 13, a second sliding groove 25 is arranged in the pedal 23 corresponding to the second sliding block 28, the pedal 23 can not only follow the seat plate 20 to perform front-back linear motion but also follow the first sliding block 16 to perform up-down linear motion due to the existence of the second sliding groove 25 and the third sliding groove 27, and the stress position of the pedal 23 is unlikely to change due to the existence of the anti-back nut 8.

The screw pitches of the first screw rod, the second screw rod and the third screw rod are different from each other so as to ensure that the moving distance of each part accords with the habit of a human body.

The working principle is as follows: when the user needs to use, use the height to rotate hand wheel 17 for the reference and drive dwang 7, and then make bevel gear 5 drive No. two bevel gear 6 and rotate, and then use the seat 20 height as the benchmark, change rack 1 height, footboard 23 height, the seat 20 and the footboard 23 distance for install bin 13, make whole device can select the most suitable position of sitting of playing according to the height, make the distance that the beginner can grasp each side better, it can to screw up the anti-back nut after twisting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a zither rack is used in adaptation zither training of different heights, includes rack (1), rack (1) left side is higher than the right side, and both ends difference fixedly connected with one fixed bolster (9), its characterized in that about the bottom: the bottom of the placing frame (1) is also fixedly connected with an installing box (13), the top end in the installing box (13) is rotatably connected with a horizontally arranged rotating rod (7), the surface of the rotating rod (7) is fixedly connected with five vertically arranged first bevel gears (5), and second bevel gears (6) which are matched with each other are horizontally arranged below the first bevel gears (5) and are meshed with the second bevel gears (6);

a through hole is formed in the fixed support (9), a movable support (12) is arranged below the fixed support, a first lead screw (10) is arranged in the through hole, a fixed block (11) is embedded into the movable support (12), a second bevel gear (6) is fixedly connected to the top end of the first lead screw (10), and the bottom of the first lead screw penetrates through the fixed block (11) and is in threaded connection with the fixed block (11);

a transmission rod (4) is arranged in the middle of the installation box (13), the top end of the transmission rod (4) is fixedly connected with a second bevel gear (6), the bottom of the transmission rod is fixedly connected with a horizontally arranged third bevel gear (2), a fourth bevel gear (3) which is matched with the third bevel gear (2) is vertically arranged on the front side of the third bevel gear (2) and is meshed with the fourth bevel gear (3), a horizontally arranged third lead screw (18) is fixedly connected in the middle of the fourth bevel gear (3), and the surface of the third lead screw (18) is fixedly connected with a seat plate (20) through a connecting block (19);

a second lead screw (14) is respectively arranged on the left side and the right side of the transmission rod (4), a second bevel gear (6) is fixedly connected to the top end of the second lead screw (14), a first sliding block (16) is screwed at the bottom end of the second lead screw, and a first sliding groove (15) is vertically arranged in the installation box (13) corresponding to the first sliding block (16);

seat (20) bottom fixedly connected with four landing legs (22), wherein two landing legs (22) that are close to install bin (13) relatively have a footboard (23) of sliding connection respectively, footboard (23) do linear motion from top to bottom for landing leg (22), footboard (23) still sliding connection has connecting rod (24), footboard (23) do linear motion from left to right for connecting rod (24), connecting rod (24) fixed connection is in slider (16) No. one.

2. The zither rack for training adapted to the zithers with different heights as claimed in claim 1, wherein: the screw pitches of the first screw rod (10), the transmission rod (4) and the second screw rod (14) are not consistent.

3. The zither rack for training adapted to the zithers with different heights as claimed in claim 1, wherein: a lead screw (10) bottom fixedly connected with limiting plate (29), fixed block (11) below corresponds limiting plate (29) and is provided with the hole in movable support (12), fixed block (11) top corresponds a lead screw (10) and is provided with the hole in movable support (12), the hole top extends to outside movable support (12).

4. The zither rack for training adapted to the zithers with different heights as claimed in claim 1, wherein: the seat plate is characterized in that a connecting block (19) is fixedly connected to the right side of the bottom of the seat plate (20), and a limiting block (21) is fixedly connected to the left end face of the screw rod.

5. The zither rack for training adapted to the zithers with different heights as claimed in claim 1, wherein: footboard (23) left side fixedly connected with No. three slider (26), landing leg (22) correspond No. three slider (26) and vertically are provided with No. three spout (27), connecting rod (24) top fixedly connected with No. two slider (28), correspond No. two slider (28) in footboard (23) and still the level be provided with No. two spout (25).

6. The zither rack for training adapted to the zithers with different heights as claimed in claim 1, wherein: both ends all run through install bin (13) and extend to outside install bin (13) about dwang (7), hand wheel (17) of dwang (7) left end fixedly connected with, the part that install bin (13) right-hand member is located install bin (13) outer is provided with the external screw thread to the spiro union has anti-moving back nut (8).