Multifunctional acoustic experiment box

Abstract

The utility model discloses a multifunctional acoustic experiment box which comprises a box body, a cover body is arranged at the top end of the box body, four suction cups are installed at the four corners of the top end of the cover body, four magnetic holes are formed in the positions, located on the inner sides of the suction cups, of the top end of the cover body, the top ends of the magnetic holes are connected with an installation plate through magnetic columns, and an installation base is fixed to the bottom end of the box body. A connecting rod is arranged on the mounting base, and a tuning fork is connected to the middle of the top end of the connecting rod. The beneficial effects are that through the design of the magnetic columns and the magnetic holes, the mounting plate can be fixed and used at any time when the aluminum musical instrument board is used, the whole aluminum musical instrument board can be stored in cooperation with the box body, the problem that the limitation is too large when the device is used is effectively avoided, and through the design of the mounting base and the suction cup, when the tuning fork is fixed, the tuning fork can be conveniently fixed. The tuning fork is matched with the suction cup to be adsorbed on the plane, the stability of the device during use can be guaranteed, and the phenomenon that the whole device shifts when the force applied to the tuning fork is too large is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic experiment boxes, in particular to a multifunctional acoustic experiment box. Background Art

[0002] In the primary school science education stage, the study of the "Sound" unit has always been a difficult and important point. In the primary school curriculum, students are required to understand and master the knowledge points such as the generation, propagation, high and low, strong and weak of sound. This is not only a test for teachers' teaching, but also a challenge for the corresponding teaching aids.

[0003] The Chinese patent with patent number CN202021408539.8 discloses a multifunctional acoustic experiment box, including a box body and a cover body. When the cover body is buckled with the box body, a accommodating cavity for storing acoustic experimental instruments is formed inside; it is characterized in that a first string fixing part and a second string fixing part are provided on the lower bottom surface of the box body, and the first string fixing part and the second string fixing part are respectively located on both sides of the bottom surface of the box body; the first string fixing part is a through hole, and the second fixing part is a screw hole for installing a string adjusting screw; a pair of string bridges are provided between the first string fixing part and the second string fixing part, and the string bridges are provided on the lower bottom surface of the box body.

[0004] The multifunctional acoustic experiment box described in the above patent can intuitively observe and understand acoustic phenomena through different experimental equipment and configurations. Although the above method can realize the installation and use of acoustic equipment such as tuning forks, the equipment such as the aluminum plate piano of the device is directly fixed on the box body, and it is impossible to install and disassemble each equipment according to different situations. In addition, the device is directly exposed to the outside, which is not convenient for the overall storage of the device, resulting in greater working limitations of the device. At the same time, when using the tuning fork, it is necessary to use a mounting base to fix the tuning fork on the box body, and the stability of the box body when fixing the tuning fork is poor. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem to be solved by the utility model is to provide a multifunctional acoustic experiment box which is convenient for storage and has good stability in view of the current status of the prior art.

[0007] (II) Technical solution

[0008] The utility model is achieved through the following technical scheme: the utility model proposes a multifunctional acoustic experiment box, including a box body, a cover body is arranged on the top of the box body, four suction cups are installed at the four corners of the top of the cover body, four magnetic holes are opened on the top of the cover body located inside the suction cup, the top of the magnetic hole is connected to the mounting plate through a magnetic column, a mounting seat is fixed to the bottom of the box body, a connecting rod is arranged on the mounting seat, a tuning fork is connected to the middle of the top of the connecting rod, the tuning fork is equipped with a knocking rod, and two grooves are symmetrically opened on the two side walls of the box body.

[0009] Furthermore, two string bridges are symmetrically installed on both sides of the top of the mounting plate, and string grooves are provided on the top of the string bridges. There are no less than two string grooves, one of which is provided with a mounting hole on the outer side of the string bridge, and a threaded column is fixed on one side of the other string bridge. A tuning slide is installed between the two string bridges, and a sound hole is provided at one end of the tuning slide. Two rows of adjustment holes are symmetrically provided on both sides of the tuning slide, and limit columns are arranged on the upper ends of the adjustment holes, and aluminum strings are connected between the limit columns.

[0010] By adopting the above technical solution, the mounting plate can fix the aluminum strings, making it convenient to generate and propagate the sound, as well as to express the highs and lows and the strong and weaks of the sound.

[0011] Furthermore, the string bridge is connected to the mounting plate by screws, the string groove is formed on the string bridge, and the mounting hole is formed on the mounting plate.

[0012] By adopting the above technical solution, the string bridge cooperates with the design of the string groove to support the strings, and the mounting hole fixes one end of the strings.

[0013] Furthermore, the threaded column is plugged into the mounting plate, and the tuning slot, the sound hole and the adjustment hole are all formed on the mounting plate.

[0014] By adopting the above technical solution, the threaded column is designed with the fixing nut to facilitate the adjustment of the tightness of the other end of the string, the tuning slot is designed with the adjustment hole to facilitate the adjustment of the pitch of the aluminum sheet music, and the sound hole facilitates the sound to pass through.

[0015] Furthermore, the limiting post is rotatably connected to the aluminum string, the limiting post is plugged into the adjustment hole, and the cover body is plugged into the box body.

[0016] By adopting the above technical scheme, the limit column cooperates with the design of the adjustment hole to facilitate the adjustment of the position of the aluminum strings. The design of the aluminum strings realizes the generation and propagation of sound, as well as the expression of high and low strength by the device. The cover cooperates with the design of the box body to facilitate the storage of various experimental equipment by the device. The box body is a space formed by foaming pearl cotton.

[0017] Furthermore, the magnetic hole is formed on the cover body, the magnetic column is connected to the mounting plate by screws, and the suction cup is connected to the cover body by screws.

[0018] By adopting the above technical solution, the magnetic hole cooperates with the design of the magnetic column, which facilitates the rapid installation and fixation of the mounting plate to realize the use of the aluminum sheet piano. The design of the suction cup can increase the suction force between the device and the plane when the box body is inverted, thereby ensuring the stability of the bottom end of the experimental box.

[0019] Furthermore, the mounting seat is threadedly connected to the box body, the groove is formed on the box body, and the connecting rod is plugged into the mounting seat.

[0020] By adopting the above technical solution, the mounting seat is installed at the bottom of the box body, which is convenient for disassembly at any time. It realizes the fixation of the connecting rod of the tuning fork and cooperates with the use of the knocking rod to facilitate the acoustic experiment.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] In order to solve the problem that the existing multifunctional acoustic experiment box can observe and understand acoustic phenomena intuitively through different experimental equipment and configurations, although the above method can realize the installation and use of acoustic equipment such as tuning forks by the device, the equipment such as the aluminum plate piano of the device is directly fixed on the box body, and it is impossible to install and disassemble each equipment according to different situations. Moreover, the device is directly exposed to the outside, which is not convenient for the overall storage of the device, resulting in large working limitations of the device. At the same time, when the tuning fork is used, it is necessary to use a mounting seat to fix the tuning fork on the box body, and the box body has poor stability when fixing the tuning fork. The utility model uses the design of magnetic columns and magnetic holes, so that when the aluminum piano board is used, the mounting plate can be fixed and used at any time, and the box body can be used to store it as a whole, effectively avoiding the problem of excessive limitations when the device is used. At the same time, with the design of the mounting seat and the suction cup, when the tuning fork is fixed, it is adsorbed on the plane with the suction cup, which can ensure the stability of the device when in use, and avoid the phenomenon of displacement of the entire device when too much force is applied to the tuning fork. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a multifunctional acoustic experiment box described in the utility model;

[0025] Figure 2 It is a main sectional view of a box body in a multifunctional acoustic experiment box described in the utility model.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Mounting hole; 2. String groove; 3. Adjustment hole; 4. Aluminum string; 5. Limit column; 6. Tuning slide; 7. Threaded column; 8. String bridge; 9. Magnetic column; 10. Suction cup; 11. Sound hole; 12. Cover; 13. Magnetic hole; 14. Box body; 15. Groove; 16. Tuning fork; 17. Knocking rod; 18. Connecting rod; 19. Mounting seat; 20. Mounting plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] like Figure 1-Figure 2 As shown, a multifunctional acoustic experiment box in the present embodiment includes a box body 14, a cover body 12 is arranged on the top of the box body 14, and the design of the cover body 12 cooperates with the box body 14 to facilitate the storage of various experimental equipment by the device, the box body 14 is formed by foaming pearl cotton to form a space, and four suction cups 10 are installed at the four corners of the top of the cover body 12. The design of the suction cup 10 can increase the suction force between the device and the plane when the box body 14 is inverted, thereby ensuring the stability of the bottom end of the experimental box, and four magnetic holes 13 are opened on the inner side of the suction cup 10 at the top of the cover body 12, and the design of the magnetic holes 13 cooperates with the design of the magnetic column 9 to facilitate the rapid installation and fixation of the mounting plate 20, so as to realize the use of the aluminum sheet piano. The top of the magnetic hole 13 is connected to the mounting plate 20 through the magnetic column 9, a mounting seat 19 is fixed to the bottom of the box body 14, a connecting rod 18 is arranged on the mounting seat 19, a tuning fork 16 is connected to the middle of the top of the connecting rod 18, the mounting seat 19 is installed at the bottom of the box body 14, and it is convenient to disassemble at any time, and it can be used according to the needs of the experiment, thereby realizing the fixation of the connecting rod 18 of the tuning fork 16, and cooperating with the use of the knocking rod 17, so as to facilitate the acoustic experiment. The tuning fork 16 is equipped with a knocking rod 17, so as to facilitate the knocking experiment of the tuning fork 16. Two grooves 15 are symmetrically provided on the two side walls of the box body 14, so as to facilitate the taking and storage of the device as a whole, thereby ensuring the flexible use of the device.

[0030] like Figure 1-Figure 2As shown, in this embodiment, two string bridges 8 are symmetrically installed on both sides of the top of the mounting plate 20, and string grooves 2 are opened on the top of the string bridges 8, and there are no less than two string grooves 2. A mounting hole 1 is set on the outer side of one of the string bridges 8, and a threaded column 7 is fixed on one side of the other string bridge 8. A tuning slide 6 is installed between the two string bridges 8, and a sound hole 11 is set at one end of the tuning slide 6. Two rows of adjustment holes 3 are symmetrically opened on both sides of the tuning slide 6, and limit columns 5 are arranged on the upper ends of the adjustment holes 3. Aluminum strings 4 are connected between the limit columns 5. The mounting plate 20 realizes the fixation of the aluminum strings 4, which is convenient for the generation and propagation of sound, as well as the high and low strength. Weak progress indicates that the string bridge 8 is connected to the mounting plate 20 by screws, the string groove 2 is formed on the string bridge 8, and the mounting hole 1 is formed on the mounting plate 20. The string bridge 8 cooperates with the design of the string groove 2 to support the strings, and the mounting hole 1 fixes one end of the strings. The threaded column 7 is plugged into the mounting plate 20, and the tuning slide 6, the sound hole 11 and the adjustment hole 3 are all formed on the mounting plate 20. The threaded column 7 cooperates with the design of the fixing nut to facilitate the adjustment of the tightness of the other end of the strings. The tuning slide 6 cooperates with the design of the adjusting hole 3 to facilitate the adjustment of the tone of the aluminum sheet piano, and the sound hole 11 facilitates the sound to pass through.

[0031] like Figure 1-Figure 2 As shown, in this embodiment, the limit column 5 is rotatably connected to the aluminum string 4, the limit column 5 is plugged into the adjustment hole 3, the cover body 12 is plugged into the box body 14, the limit column 5 cooperates with the design of the adjustment hole 3, which is convenient for adjusting the position of the aluminum string 4, and the design of the aluminum string 4 realizes the device to generate and propagate sound, as well as the high and low strength representation, the cover body 12 cooperates with the design of the box body 14, which is convenient for the device to store various experimental equipment, the box body 14 is formed by pearl cotton foaming to form a space, the magnetic hole 13 is formed on the cover body 12, the magnetic column 9 is connected to the mounting plate 20 with screws, and the suction cup 10 is screwed to the cover body 12 The design of the magnetic hole 13 cooperates with the magnetic column 9, which is convenient for quickly installing and fixing the mounting plate 20 to realize the use of the aluminum sheet piano. The design of the suction cup 10 can increase the suction force between the device and the plane when the box body 14 is inverted, thereby ensuring the stability of the bottom end of the experimental box. The mounting seat 19 is threadedly connected to the box body 14, and the groove 15 is formed on the box body 14. The connecting rod 18 is plugged into the mounting seat 19, and the mounting seat 19 is installed at the bottom of the box body 14 for easy disassembly at any time, which realizes the fixation of the connecting rod 18 of the tuning fork 16, and cooperates with the use of the knocking rod 17 to facilitate the acoustic experiment.

[0032] The specific implementation process of this embodiment is as follows: when using the device, different acoustic equipment needs to be installed and fixed according to the observed sounds, etc. When fixing the tuning fork 16, the device needs to be turned over as a whole so that the suction cup 10 is sucked on a stable plane. With the design of the mounting seat 19, the fixing and use of the tuning fork 16 is effectively realized. When using an aluminum sheet piano, the magnetic column 9 of the mounting plate 20 needs to be inserted into the magnetic hole 13. The fixing nut in the threaded column 7 can be rotated according to the specific situation of the test to adjust the tightness of the strings, so that the variables can be adjusted according to the experimental situation to realize the operation of the acoustic experiment by students. With the design of the box body 14 and the cover body 12, various experimental equipment can be quickly stored to avoid the loss of device parts.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional acoustic experiment box, characterized in that: The invention comprises a box body (14), wherein a cover body (12) is arranged at the top of the box body (14), four suction cups (10) are installed at the four corners of the top of the cover body (12), four magnetic holes (13) are opened at the top of the cover body (12) and located inside the suction cups (10), the top of the magnetic holes (13) are connected to a mounting plate (20) through a magnetic column (9), a mounting seat (19) is fixed at the bottom of the box body (14), a connecting rod (18) is arranged on the mounting seat (19), a tuning fork (16) is connected to the middle of the top of the connecting rod (18), and a knocking rod (17) is arranged in combination with the tuning fork (16), and two grooves (15) are symmetrically opened on the two side walls of the box body (14).

2. A multifunctional acoustic experiment box according to claim 1, characterized in that: Two string bridges (8) are symmetrically installed on both sides of the top of the mounting plate (20), and the top of the string bridge (8) is provided with a string groove (2), and the number of the string grooves (2) is not less than two. A mounting hole (1) is arranged on the outer side of one of the string bridges (8), and a threaded column (7) is fixed on one side of the other string bridge (8). A tuning slide groove (6) is installed between the two string bridges (8), and a sound hole (11) is arranged at one end of the tuning slide groove (6). Two rows of adjustment holes (3) are symmetrically opened on both sides of the tuning slide groove (6), and a limit column (5) is arranged on the upper end of the adjustment hole (3), and aluminum strings (4) are connected between the limit columns (5).

3. A multifunctional acoustic experiment box according to claim 2, characterized in that: The string bridge (8) is screw-connected to the mounting plate (20), the string groove (2) is formed on the string bridge (8), and the mounting hole (1) is formed on the mounting plate (20).

4. The multifunctional acoustic experiment box according to claim 2, characterized in that: The threaded column (7) is plugged into the mounting plate (20), and the tuning slide groove (6), the sound hole (11) and the adjustment hole (3) are all formed on the mounting plate (20).

5. The multifunctional acoustic experiment box according to claim 2, characterized in that: The limiting post (5) is rotatably connected to the aluminum string (4), the limiting post (5) is plugged into the adjustment hole (3), and the cover body (12) is plugged into the box body (14).

6. The multifunctional acoustic experiment box according to claim 1, characterized in that: The magnetic hole (13) is formed on the cover body (12), the magnetic column (9) is screw-connected to the mounting plate (20), and the suction cup (10) is screw-connected to the cover body (12).

7. The multifunctional acoustic experiment box according to claim 1, characterized in that: The mounting seat (19) is threadedly connected to the box body (14), the groove (15) is formed on the box body (14), and the connecting rod (18) is plugged into the mounting seat (19).

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