CN213583075U

CN213583075U - Percussion instrument for preschool education

Info

Publication number: CN213583075U
Application number: CN202022787437.8U
Authority: CN
Inventors: 王建红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-06-29
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to the technical field of the teaching musical instrument, especially, be a preschool education is with percussion instrument, including connecting plate and baffle, seted up the cavity on the connecting plate, fixed mounting has first square pole between the front side inner wall of cavity and the rear side inner wall, and the slip cap is equipped with two first movable blocks on the first square pole, and one side that two first movable blocks kept away from each other all rotates the first sloping pole of installing the slope setting, and the right side of connecting plate is equipped with the head rod, and the left end of head rod extends to in the cavity and fixed mounting has the diaphragm, and the left side of diaphragm is articulated mutually with the tip of first sloping pole, and the right-hand member fixed mounting of head rod has first circular piece. The utility model discloses a set up L shape pole, head rod, first flexible steel cable, first square pole, rectangular block and first slope pole and cooperate, solved mostly can not the quick replacement damage strike the board and can not firm convenient absorption fix the problem on the desktop.

Description

Percussion instrument for preschool education

Technical Field

The utility model relates to a teaching musical instrument technical field specifically is a preschool education is with knocking musical instrument.

Background

The musical instrument is preschool education's a mode, can differentiate sound through the musical instrument, it is very helpful to preschool education, and traditional musical instrument mostly comprises a plurality of striking boards and rapping bar etc. traditional striking board is mostly fixed it through welded mode, strike the phenomenon that the version can appear damaging after long-time the use, traditional striking board mostly can not quick replacement damage, a large amount of time and money have been wasted, but current percussion instrument can place and use on the desktop, it has the shortcoming of placing unstability, easily bump because of personnel mistake and cause the breakage that drops, the convenient absorption that can not stabilize is fixed on the desktop, can not satisfy the user demand, therefore we have proposed a preschool education and use percussion instrument for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a preschool education is with percussion instrument has solved the strike board that can mostly not quick replacement damage and the convenient absorption that can not stabilize and has fixed the problem on the desktop.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a percussion instrument for preschool education comprises a connecting plate and a baffle plate, wherein a cavity is formed in the connecting plate, a first square rod is fixedly installed between the front inner wall and the rear inner wall of the cavity, two first moving blocks are slidably sleeved on the first square rod, obliquely arranged first inclined rods are rotatably installed on the sides, away from each other, of the two first moving blocks, a first connecting rod is arranged on the right side of the connecting plate, the left end of the first connecting rod extends into the cavity and is fixedly provided with a transverse plate, the left side of the transverse plate is hinged with the end part of the first inclined rod, a first round block is fixedly installed at the right end of the first connecting rod, a first spring is fixedly installed between the left side of the first round block and the right side of the connecting plate, the first spring is movably sleeved on the first connecting rod, a first flexible steel rope is fixedly installed on the sides, away from each other, and first fixed pulleys are rotatably installed on the front inner wall and the rear inner, a first rectangular groove with an opening at the top is arranged on the left side of the connecting plate, second rectangular grooves with openings at the left side are arranged on the inner wall of the front side and the inner wall of the rear side of the first rectangular groove, fixed rods are fixedly arranged on the inner walls of the sides, far away from each other, of the two second rectangular grooves, a first moving rod is sleeved on the fixed rods in a sliding manner, a second spring is fixedly arranged between the end part of the first moving rod and the corresponding inner wall of the second rectangular groove, the second spring is movably sleeved on the corresponding fixed rods, second fixed pulleys are rotatably arranged on the inner walls of the sides, far away from each other, of the two second rectangular grooves, square blocks are fixedly arranged on the right side of the first moving rod, a first flexible steel rope bypasses the right side of the corresponding first fixed pulley and the left side of the corresponding second fixed pulley and is fixedly connected with the square blocks, third rectangular grooves with openings at the left sides are arranged on the inner walls of the, the movable contact has a plurality of rectangular blocks in the third rectangular channel, and one side fixed mounting that two rectangular blocks are close to each other has the striking plate, and the equal fixed mounting in both sides of baffle has trapezoidal piece, and one side that two trapezoidal pieces kept away from each other all is equipped with the inclined plane, and the draw-in groove has all been seted up to one side that two trapezoidal pieces kept away from each other, and first carriage release lever is close to the tip each other and all inlays and be equipped with the ball, and the ball cooperatees with the inclined plane, and first carriage release lever clamps with the draw.

As a preferred technical proposal of the utility model, a connecting box is fixedly arranged on the lower surface of the connecting plate, a second square bar is fixedly arranged between the left inner wall and the right inner wall of the connecting box, two second moving blocks are sleeved on the second square bar in a sliding way, one side, far away from each other, of the two second moving blocks is rotatably provided with a second inclined bar which is arranged in an inclined way, a third fixed pulley is rotatably arranged on the right inner wall of the connecting box, a second flexible steel rope is fixedly arranged on the right side of the left second moving block, the second flexible steel rope is wound on the top of the third fixed pulley and is connected with the right side of the right second moving block, L-shaped bars are fixedly arranged on the left inner wall and the right inner wall of the connecting box, a second moving bar is sleeved on the L-shaped bar in a sliding way, a third spring is fixedly arranged between the end part of the second moving bar and the, the third spring movable sleeve is established on the L shape pole that corresponds, the bottom fixed mounting of connecting box has two silica gel sucking discs, be equipped with fixed pipe in the silica gel sucking disc, the top of fixed pipe extends to in the connecting box, the low side fixed mounting of second carriage release lever has the piston, the sealed sliding sleeve of fixed pipe is established on the piston that corresponds, the left side fixed mounting who is located left second movable block has the second connecting rod, the left end of second connecting rod extends to outside the connecting box and fixed mounting has the second circular block, fixed mounting has the fourth spring between the right side of second circular block and the left side of connecting box, fourth spring movable sleeve is established on the second connecting rod, the fourth rectangular channel has been seted up to the upper surface of connecting plate, the movable contact has the rapping bar in the fourth rectangular channel.

As a preferred technical scheme of the utility model, fixed cover is equipped with the sealing washer on the piston, the lateral wall of fixed pipe and the outside sliding connection of the sealing washer that corresponds.

As a preferred technical scheme of the utility model, first square groove has been seted up on the top of second carriage release lever, the inner wall in first square groove and the outside sliding connection of the L shape pole that corresponds.

As a preferred technical scheme of the utility model, the second square groove has been opened to the front side of first movable block, the inner wall in second square groove and the outside sliding connection of first square pole.

As a preferred technical scheme of the utility model, the circular port has been seted up on the left side inner wall of connecting box, the inner wall of circular port and the outside sliding connection of second connecting rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a preschool education is with knocking musical instrument possesses following beneficial effect:

1. this preschool education is with percussion instrument, through first flexible steel cable, the head rod, first square pole and first sloping pole cooperate, first circular piece passes through the first connecting rod and drives the diaphragm and slide on the first square pole, the diaphragm drives the first movable block that corresponds through first sloping pole and removes, make two first movable blocks remove to the direction that is close to each other, first movable block drives the square piece through first flexible steel cable and removes, the square drives the first movable rod and removes, first movable rod slides on the dead lever, first movable rod drives ball and draw-in groove phase separation, reached this moment and taken down a plurality of percussion boards in proper order fast and carried out the effect of changing.

2. The percussion instrument for preschool education is matched with an L-shaped rod through a silica gel sucker, a second square rod, a second movable block, a second circular block drives a left second movable block to move through a second connecting rod, the left second movable block drives a right second movable block to move on the second square rod through a second flexible steel rope, the second movable block drives a piston to slide in a fixed pipe through a second inclined rod, the piston drives the second movable rod to slide on the L-shaped rod, because the piston is arranged in a sealing and sliding way with the fixed pipe through the corresponding sealing ring, the gas is discharged into the corresponding silica gel sucker through the fixed pipe, the deformed silica gel sucker is gradually reset to generate a negative pressure inside and is initially adsorbed on a desktop, the third spring drives the corresponding piston to move upwards for sucking through the second movable rod, the internal negative pressure of the silica gel sucker is enhanced, so that the connecting plate is firmly adsorbed on the tabletop.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the interior of the connecting plate of FIG. 1;

FIG. 3 is a schematic perspective view of the connection plate of FIG. 1 after being hidden;

FIG. 4 is a schematic perspective view of the interior of the junction box of FIG. 1;

FIG. 5 is a schematic perspective view of the baffle and the striking plate of FIG. 1 after being hidden;

FIG. 6 is an enlarged view of part A of FIG. 2;

FIG. 7 is an enlarged view of the portion B in FIG. 3;

FIG. 8 is an enlarged view of the portion C of FIG. 4;

fig. 9 is a schematic sectional view of the structure of the silicone suction cup, the fixing tube and the piston connecting member of fig. 1.

In the figure: 1. a connecting plate; 2. a first square bar; 3. a first moving block; 4. a first tilt lever; 5. a first connecting rod; 6. a first spring; 7. a transverse plate; 8. a first flexible steel cord; 9. fixing the rod; 10. a first movable bar; 11. a second spring; 12. a rectangular block; 13. knocking the plate; 14. a baffle plate; 15. a trapezoidal block; 16. a connection box; 17. a second square bar; 18. a second moving block; 19. a second flexible steel cord; 20. a second tilt lever; 21. an L-shaped rod; 22. a second movable bar; 23. a third spring; 24. a piston; 25. a fixed tube; 26. a silica gel sucker; 27. a second connecting rod; 28. a fourth spring; 29. the stick is knocked.

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 efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-9, the present invention provides the following technical solutions: a percussion instrument for preschool education comprises a connecting plate 1 and a baffle plate 14, wherein a cavity is formed in the connecting plate 1, a first square rod 2 is fixedly installed between the front inner wall and the rear inner wall of the cavity, two first moving blocks 3 are slidably sleeved on the first square rod 2, obliquely arranged first inclined rods 4 are rotatably installed on the sides, away from each other, of the two first moving blocks 3, a first connecting rod 5 is arranged on the right side of the connecting plate 1, the left end of the first connecting rod 5 extends into the cavity and is fixedly provided with a transverse plate 7, the left side of the transverse plate 7 is hinged with the end part of the first inclined rod 4, a first round block is fixedly installed at the right end of the first connecting rod 5, a first spring 6 is fixedly installed between the left side of the first round block and the right side of the connecting plate 1, the first spring 6 is movably sleeved on the first connecting rod 5, a first flexible steel rope 8 is fixedly installed on the side, away from each other, the front inner wall and the rear inner wall of the cavity are both rotatably provided with a first fixed pulley, the left side of the connecting plate 1 is provided with a first rectangular groove with an opening at the top, the front inner wall and the rear inner wall of the first rectangular groove are both provided with second rectangular grooves with openings at the left sides, the inner walls of one sides, far away from each other, of the two second rectangular grooves are both fixedly provided with a fixed rod 9, the fixed rod 9 is sleeved with a first movable rod 10 in a sliding manner, a second spring 11 is fixedly arranged between the end part of the first movable rod 10 and the inner wall of the corresponding second rectangular groove, the second spring 11 is movably sleeved on the corresponding fixed rod 9, the inner walls of one side, far away from each other, of the two second rectangular grooves are both rotatably provided with a second fixed pulley, the right side of the first movable rod 10 is fixedly provided with a square block, a first flexible steel rope 8 bypasses the right side of the corresponding first fixed pulley and the left side of the, all set up the third rectangular channel that the left side set up for the opening on the front side inner wall of first rectangular channel and the rear side inner wall, movable contact has a plurality of rectangular blocks 12 in the third rectangular channel, one side fixed mounting that two rectangular blocks 12 are close to each other has the strike board 13, the equal fixed mounting in both sides of baffle 14 has trapezoidal block 15, one side that two trapezoidal blocks 15 kept away from each other all is equipped with the inclined plane, the draw-in groove has all been seted up to one side that two trapezoidal blocks 15 kept away from each other, first carriage release lever 10 is close to the tip each other and all inlays and be equipped with the ball, the ball cooperatees with the inclined plane, first carriage release lever 10 clamps with the draw-in.

In this embodiment, the friction force is reduced by the arrangement of the balls.

Specifically, a connecting box 16 is fixedly installed on the lower surface of the connecting plate 1, a second square rod 17 is fixedly installed between the left inner wall and the right inner wall of the connecting box 16, two second moving blocks 18 are slidably sleeved on the second square rod 17, obliquely arranged second inclined rods 20 are rotatably installed on the sides, away from each other, of the two second moving blocks 18, a third fixed pulley is rotatably installed on the right inner wall of the connecting box 16, a second flexible steel rope 19 is fixedly installed on the right side of the second moving block 18 positioned on the left side, the second flexible steel rope 19 bypasses the top of the third fixed pulley and is connected with the right side of the second moving block 18 positioned on the right side, L-shaped rods 21 are fixedly installed on the left inner wall and the right inner wall of the connecting box 16, a second moving rod 22 is slidably sleeved on the L-shaped rods 21, and third springs 23 are fixedly installed between the end portions of the second moving rods 22 and the top inner walls of the corresponding L-, third spring 23 movable sleeve is established on corresponding L shape pole 21, the bottom fixed mounting of connecting box 16 has two silica gel sucking discs 26, be equipped with fixed pipe 25 in the silica gel sucking disc 26, the top of fixed pipe 25 extends to in the connecting box 16, the low side fixed mounting of second movable rod 22 has piston 24, fixed pipe 25 seals the slip cover and establishes on corresponding piston 24, the left side fixed mounting who is located left second movable block 18 has second connecting rod 27, the left end of second connecting rod 27 extends to outside the connecting box 16 and fixed mounting has the second circular block, fixed mounting has fourth spring 28 between the right side of second circular block and the left side of connecting box 16, fourth spring 28 movable sleeve is established on second connecting rod 27, the fourth rectangular channel has been seted up to the upper surface of connecting plate 1, movable contact has rapping bar 29 in the fourth rectangular channel.

In this embodiment, the third spring 23 and the fourth spring 28 are provided, thereby achieving the effect of returning.

Specifically, the piston 24 is fixedly sleeved with a sealing ring, and the side wall of the fixed pipe 25 is slidably connected with the outer side of the corresponding sealing ring.

In this embodiment, the side wall of the fixing pipe 25 is slidably connected to the outer side of the corresponding sealing ring, so that the sealing ring improves the sealing effect and prevents air leakage when the side wall of the fixing pipe 25 is slidably connected to the outer side of the sealing ring.

Specifically, a first square groove is formed at the top end of the second moving rod 22, and the inner wall of the first square groove is slidably connected with the outer side of the corresponding L-shaped rod 21.

In this embodiment, the inner wall of the first square groove is slidably connected to the outer side of the corresponding L-shaped rod 21, so that the second moving rod 22 can only move up and down, and the second moving rod 22 is positioned to prevent the occurrence of a deviation phenomenon.

Specifically, a second square groove is formed in the front side of the first moving block 3, and the inner wall of the second square groove is connected with the outer side of the first square rod 2 in a sliding mode.

In this embodiment, the inner wall of the second square groove is slidably connected to the outer side of the first square rod 2, so that the first moving block 3 can only move in the front direction, and the first moving block 3 is positioned, thereby preventing the deviation.

Specifically, a circular hole is formed in the inner wall of the left side of the connecting box 16, and the inner wall of the circular hole is slidably connected with the outer side of the second connecting rod 27.

In this embodiment, the inner wall through the circular port and the outside sliding connection of second connecting rod 27 for second connecting rod 27 can only remove about, fixes a position second connecting rod 27, prevents the phenomenon of skew.

The utility model discloses a theory of operation and use flow: when the damaged knocking plate 13 needs to be replaced, a user holds the first round block to move leftwards, the first round block compresses the first spring 6 in the moving process, the first round block drives the transverse plate 7 to slide on the first square rod 2 through the first connecting rod 5, the transverse plate 7 drives the corresponding first moving blocks 3 to move through the first inclined rods 4, so that the two first moving blocks 3 move towards the mutually approaching direction, the first moving blocks 3 drive the square blocks to move through the corresponding first flexible steel ropes 8, the square blocks drive the corresponding first moving rods 10 to move towards the mutually departing direction, the first moving rods 10 slide on the corresponding fixing rods 9 and compress the second spring 11, the first moving rods 10 drive the balls to be separated from the clamping grooves, then the baffle plate 14 is moved leftwards, the knocking plate 13 is sequentially taken down for replacement, the knocking plate 13 drives the corresponding rectangular blocks 12 to slide on the third rectangle, at the moment, the effect of quickly taking down the plurality of knocking plates 13 in sequence for replacement is achieved;

during installation, the plurality of knocking plates 13 are sequentially aligned with the third rectangular groove to be placed, the knocking plates 13 drive the rectangular block 12 to slide in the third rectangular groove, the baffle plate 14 is then aligned with the second rectangular groove to be placed, the baffle plate 14 drives the inclined surface of the trapezoidal block 15 to be in contact with and extrude the ball of the first moving rod 10, under the action of extrusion force, the first moving rod 10 compresses the second spring 11 in the moving process, when the first moving rod 10 is aligned with the clamping groove, the second spring 11 in a compressed state resets at the moment, the second spring 11 drives the corresponding first moving rod 10 to be clamped with the clamping groove, and the effect of quickly installing the knocking plates 13 is achieved at the moment;

when the connecting plate 1 is placed on a table top, the second round block is pulled leftwards, the fourth spring 28 is stretched by the second round block in the moving process, the second round block drives the left second moving block 18 to move leftwards through the second connecting rod 27, the right second moving block 18 is driven by the left second moving block 18 through the second flexible steel rope 19 to move on the second square rod 17 in the direction approaching to each other, the second moving block 18 drives the corresponding piston 24 to slide in the fixed tube 25 through the second inclined rod 20, the piston 24 drives the corresponding second moving rod 22 to slide on the L-shaped rod 21, the third spring 23 is stretched by the second moving rod 22 in the moving process, the piston 24 is hermetically and slidably mounted with the fixed tube 25 through the corresponding sealing ring, so that when the piston 24 moves downwards, a gas is pushed out, and is discharged into the corresponding silica gel sucker 26 through the fixed tube 25, discharge through silica gel sucking disc 26 again, place connecting plate 1 on the desktop this moment, press connecting plate 1, make two silica gel sucking discs 26 extrude the desktop and take place deformation, the silica gel sucking disc 26 that takes place to warp resets gradually makes its inside negative pressure that produces and tentatively adsorb on the desktop, relax the pulling force to the circular piece of second immediately, the third spring 23 that is under the tensile state resets this moment, third spring 23 drives piston 24 rebound that corresponds through second carriage release lever 22 and pumps, piston 24 is bled in to silica gel sucking disc 26 through the fixed pipe 25 that corresponds, make the inside negative pressure reinforcing of silica gel sucking disc 26, thereby make the firm absorption of connecting plate 1 on the desktop, reach the effect that can fix connecting plate 1 on the desktop this moment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A percussion instrument for preschool education, comprising a connecting plate (1) and a baffle plate (14), characterized in that: a cavity is formed in the connecting plate (1), a first square rod (2) is fixedly installed between the front inner wall and the rear inner wall of the cavity, two first moving blocks (3) are slidably sleeved on the first square rod (2), first inclined rods (4) which are obliquely arranged are rotatably installed on the sides, away from each other, of the two first moving blocks (3), a first connecting rod (5) is arranged on the right side of the connecting plate (1), the left end of the first connecting rod (5) extends into the cavity and is fixedly provided with a transverse plate (7), the left side of the transverse plate (7) is hinged with the end part of each first inclined rod (4), a first round block is fixedly installed at the right end of the first connecting rod (5), a first spring (6) is fixedly installed between the left side of each first round block and the right side of the connecting plate (1), the first spring (6) is movably sleeved on the first connecting rod (5), a first flexible steel rope (8) is fixedly installed on the side, away from each first moving block (3), the front inner wall and the rear inner wall of the cavity are both rotatably provided with a first fixed pulley, the left side of the connecting plate (1) is provided with a first rectangular groove with an opening at the top, the front inner wall and the rear inner wall of the first rectangular groove are both provided with second rectangular grooves with openings at the left sides, the inner walls of one sides, far away from each other, of the two second rectangular grooves are both fixedly provided with a fixed rod (9), the fixed rod (9) is sleeved with a first movable rod (10) in a sliding manner, a second spring (11) is fixedly arranged between the end part of the first movable rod (10) and the corresponding inner wall of the second rectangular groove, the second spring (11) is movably sleeved on the corresponding fixed rod (9), the inner walls of one sides, far away from each other, of the two second rectangular grooves are both rotatably provided with a second fixed pulley, the right side of the first movable rod (10) is fixedly provided with a square, a first flexible steel rope (8) bypasses the right side of the corresponding first fixed pulley and the left side of the, all set up the third rectangular channel that the left side set up for the opening on the front side inner wall of first rectangular channel and the rear side inner wall, movable contact has a plurality of rectangular blocks (12) in the third rectangular channel, one side fixed mounting that two relative rectangular blocks (12) are close to each other has strike board (13), the equal fixed mounting in both sides of baffle (14) has trapezoidal piece (15), one side of keeping away from each other two trapezoidal pieces (15) all is equipped with the inclined plane, the draw-in groove has all been seted up to one side that two trapezoidal pieces (15) kept away from each other, first carriage release lever (10) are close to the tip each other and all are inlayed and are equipped with the ball, the ball cooperatees with the inclined plane, first carriage release lever (10) block dress.

2. A pre-school education percussion instrument according to claim 1, wherein: a connecting box (16) is fixedly installed on the lower surface of the connecting plate (1), a second square rod (17) is fixedly installed between the left inner wall and the right inner wall of the connecting box (16), two second moving blocks (18) are slidably sleeved on the second square rod (17), a second inclined rod (20) which is obliquely arranged is rotatably installed on one side, away from each other, of each of the two second moving blocks (18), a third fixed pulley is rotatably installed on the right inner wall of the connecting box (16), a second flexible steel rope (19) is fixedly installed on the right side of the second moving block (18) on the left side, the second flexible steel rope (19) winds the top of the third fixed pulley and is connected with the right side of the second moving block (18) on the right side, L-shaped rods (21) are fixedly installed on the left inner wall and the right inner wall of the connecting box (16), and a second moving rod (22) is slidably sleeved on each L-shaped rod, a third spring (23) is fixedly arranged between the end part of the second moving rod (22) and the inner wall of the top part of the corresponding L-shaped rod (21), the third spring (23) is movably sleeved on the corresponding L-shaped rod (21), two silica gel suckers (26) are fixedly arranged at the bottom part of the connecting box (16), a fixed pipe (25) is arranged in each silica gel sucker (26), the top end of each fixed pipe (25) extends into the connecting box (16), a piston (24) is fixedly arranged at the lower end of the second moving rod (22), the fixed pipes (25) are sleeved on the corresponding pistons (24) in a sealing sliding manner, a second connecting rod (27) is fixedly arranged at the left side of the second moving block (18) at the left side, the left end of the second connecting rod (27) extends out of the connecting box (16) and is fixedly provided with a second round block, a fourth spring (28) is fixedly arranged between the right side of the second round block and the left side of the connecting box, the fourth spring (28) is movably sleeved on the second connecting rod (27), a fourth rectangular groove is formed in the upper surface of the connecting plate (1), and a knocking rod (29) is movably contacted in the fourth rectangular groove.

3. A pre-school education percussion instrument according to claim 2, wherein: the piston (24) is fixedly sleeved with a sealing ring, and the side wall of the fixed pipe (25) is in sliding connection with the outer side of the corresponding sealing ring.

4. A pre-school education percussion instrument according to claim 2, wherein: the top end of the second moving rod (22) is provided with a first square groove, and the inner wall of the first square groove is in sliding connection with the outer side of the corresponding L-shaped rod (21).

5. A pre-school education percussion instrument according to claim 1, wherein: a second square groove is formed in the front side of the first moving block (3), and the inner wall of the second square groove is connected with the outer side of the first square rod (2) in a sliding mode.

6. A pre-school education percussion instrument according to claim 2, wherein: a circular hole is formed in the inner wall of the left side of the connecting box (16), and the inner wall of the circular hole is connected with the outer side of the second connecting rod (27) in a sliding mode.