A sound adjustment device and adjustment method of a magnetic buzzer for instrument equipment

Abstract

The present invention discloses a sound adjustment device for a magnetic buzzer for instrument equipment and an adjustment method thereof, comprising a device housing, a through hole and a connection hole, wherein the upper surface of the power-carrying piece is provided with a through hole, and the upper surface of the device housing is provided with a connection hole. The sound adjustment device for the magnetic buzzer for instrument equipment is provided with a connecting wire, and the number of resistors on the connecting wire is different. The power-carrying piece is connected to a rotating ring, and the rotating ring is rotated to connect the power-carrying piece with different connecting wires, so as to achieve the purpose of adjusting the volume. A second limiting rod is provided at the bottom of the device housing, and a positioning block is provided on the outer side of the rotating ring, so that the power-carrying piece can be accurately moved to the connection position. A first limiting rod is provided, and the first limiting rod can be lifted up and down by a telescopic spring, so as to complete the connection of the circuit and limit the position of the rotating ring to avoid the misalignment of the rotating ring. A connecting plate is provided, and the length of the connecting plate can be adjusted, so that the installation distance of the device can be adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of sound adjustment devices for magnetic-attraction type buzzers, in particular to a sound adjustment device for a magnetic-attraction type buzzer used for instrument equipment and a method for adjusting the same. Background Art

[0002] Buzzer is an electronic sounder with an integrated structure. It is powered by DC voltage and is widely used as a sound-generating device in electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers, etc. Buzzers are mainly divided into two types: piezoelectric buzzers and electromagnetic buzzers. Buzzers are represented by the letter "H" or "HA" in the circuit (the old standard uses "FM", "ZZG", "LB", "JD", etc.). Piezoelectric buzzers are mainly composed of multivibrators, piezoelectric buzzer sheets, impedance matchers, resonance boxes, and shells. Some piezoelectric buzzer shells are also equipped with light-emitting diodes. The multivibrator is composed of transistors or integrated circuits. When the power is turned on, the multivibrator starts to vibrate and outputs an audio signal of 1.5 to 2.5 khz. The impedance matcher drives the piezoelectric buzzer to sound. The piezoelectric buzzer is made of lead zirconate titanate or lead magnesium niobate piezoelectric ceramic materials. Silver electrodes are plated on both sides of the ceramic sheet, and after polarization and aging treatment, they are glued together with brass sheets or stainless steel sheets. The electromagnetic buzzer consists of an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm and a shell. After the power is turned on, the audio signal current generated by the oscillator passes through the electromagnetic coil, causing the electromagnetic coil to generate a magnetic field. Under the interaction of the electromagnetic coil and the magnet, the vibrating diaphragm vibrates periodically to produce sound.

[0003] The sound adjustment device of the magnetic buzzer currently used in the market is not convenient to be connected to the main body of the rotary buzzer when in use. At the same time, the existing sound adjustment device is easy to move after the adjustment is completed, so that the volume adjusted by the sound adjustment device cannot meet the actual needs. Therefore, we propose a sound adjustment device of a magnetic buzzer for instrument equipment and an adjustment method thereof to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a sound adjustment device and an adjustment method for a magnetic buzzer for instrument equipment, so as to solve the problem that the sound adjustment device of the magnetic buzzer currently used on the market is not convenient to be connected with the buzzer body when used, and at the same time, the existing sound adjustment device is easy to move after the adjustment is completed, so that the volume adjusted by the sound adjustment device cannot meet the actual needs.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a sound adjustment device for a magnetic buzzer for instrument equipment, comprising a device shell, a through hole and a connecting hole, a mounting groove is provided on the side of the inner part of the device shell, a connecting plate is provided inside the mounting groove, a limiting hole is provided at the bottom of the connecting plate, a fastening bolt is provided inside the limiting hole, a connecting wire is provided inside the device shell, a resistor is provided on the outer side of the connecting wire, a fixed base is installed at the end of the connecting wire, and the connecting wire is installed on the upper surface of the fixed base, a conductive sheet is provided in the middle position of the end of the connecting wire, a fixed bracket is installed above the fixed base, a first limiting rod is provided on the fixed bracket, a rubber pad is provided on the top of the first limiting rod, and a bottom surface of the rubber pad is connected to A telescopic spring, and the other end of the telescopic spring is arranged on the upper surface of the device shell, a fixed shaft is arranged in the middle position inside the device shell, a rotating ring is installed on the outer barrier of the fixed shaft, a power-carrying piece is arranged on the side of the rotating ring, a positioning block is arranged on the side of the power-carrying piece, and the positioning block is also installed on the side of the rotating ring, a second limiting rod is arranged on the outer side of the fixed shaft, the second limiting rod is installed on the bottom surface of the device shell, a driving block is installed on the top of the fixed shaft, a supporting rod is connected between the bottom surface of the driving block and the rotating ring, fixing buckles are arranged on both sides of the connecting line, and the bottom of the fixing buckles is installed on the upper surface of the fixed base, a through hole is opened on the upper surface of the power-carrying piece, and a connecting hole is opened on the upper surface of the device shell, and the connecting hole is opened above the connecting plate.

[0006] Preferably, the mounting groove is symmetrically arranged on the side of the device housing, the shape and size of the connecting plate are equal to those of the mounting groove, and the connecting plate and the mounting groove are slidably connected.

[0007] Preferably, the connection holes are evenly distributed on the upper surface of the device housing, and the connection holes and the device housing are connected through, the fastening bolts and the connection holes are threadedly connected, and the connecting plate forms an integrated structure with the device housing through the fastening bolts.

[0008] Preferably, the fixing buckle is L-shaped, and the fixing buckle is symmetrically arranged at both ends of the connecting line, and the fixing buckle is fixedly connected to the fixed base.

[0009] Preferably, the fixed bracket is fixedly connected to the side surface inside the device housing, the first limiting rod is fixedly connected to the telescopic spring, and the first limiting rod forms an up and down lifting structure through the telescopic spring.

[0010] Preferably, the fixed shaft is fixedly connected to the bottom surface inside the device housing, the rotating ring is rotatably connected to the fixed shaft, and the through hole formed on the power-carrying sheet corresponds to the position of the first limiting rod.

[0011] Preferably, the positioning block is symmetrically arranged on the bottom surface of the device housing, and the positioning block and the device housing are fixedly connected, and the rotating ring forms a rotating structure through the driving block and the support rod.

[0012] A method for using a sound adjustment device for a magnetic buzzer for instrument equipment: according to installation requirements, slide the connecting plate inside the installation groove, after the position adjustment of the connecting plate is completed, insert the fastening bolts into the corresponding connecting holes, and insert the fastening bolts into the limiting holes at the end of the connecting plate to complete the fixing of the connecting plate, and then when it is necessary to increase the volume, rotate the driving block, the driving block drives the rotating ring to rotate through the supporting rod, pull the first limiting rod upward, separate the first limiting rod from the connecting line and the power-carrying sheet, so that the first limiting rod will not affect the rotation of the rotating ring, the positioning block on the side of the rotating ring moves to the second limiting rod on the right side, and then loosen the first limiting rod to connect the first limiting rod to the conductive sheet and the power-carrying sheet in the middle position of the right connecting line, thereby increasing the volume of the buzzer;

[0013] When the volume needs to be reduced, follow the same steps as above to rotate the rotating ring in the opposite direction to move the positioning block to the second limit rod on the left side, and then release the first limit rod to reduce the volume of the buzzer.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the sound adjustment device of the magnetic buzzer for the instrument equipment and the adjustment method thereof are provided with connecting wires, the number of resistors on the connecting wires is different, a rotating ring is provided, a power-carrying piece is connected to the rotating ring, the rotating ring is rotated to connect the power-carrying piece with different connecting wires, thereby achieving the purpose of adjusting the volume, a second limiting rod is provided at the bottom of the device shell, a positioning block is provided on the outer side of the rotating ring, the positioning of the power-carrying piece can be completed through the contact between the positioning block and the second limiting rod, so that the power-carrying piece can be accurately moved to the connection position, a first limiting rod is provided, the first limiting rod can be lifted up and down by a telescopic spring, which can not only complete the connection of the circuit, but also limit the position of the rotating ring to avoid misalignment of the rotating ring, and a connecting plate is provided, the length of the connecting plate can be adjusted, so that the installation distance of the device can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the top view of the structure of a sound adjustment device of a magnetic buzzer for instrument equipment of the present invention;

[0016] Figure 2 It is a schematic diagram of the top-sectional structure of a sound regulating device of a magnetic buzzer for instrument equipment of the present invention;

[0017] Figure 3 It is a schematic diagram of the main cross-section structure of a sound adjustment device of a magnetic buzzer for instrument equipment of the present invention;

[0018] Figure 4 The present invention is a sound adjustment device for a magnetic buzzer used in an instrument device Figure 3 Schematic diagram of the structure at A in the middle;

[0019] Figure 5 It is a schematic diagram of the side cross-section structure of the housing of a sound adjustment device for a magnetic buzzer for instrument equipment of the present invention;

[0020] In the figure: 1. device housing; 2. mounting slot; 3. connecting plate; 4. limiting hole; 5. fastening bolt; 6. connecting wire; 7. resistor; 8. fixed base; 9. conductive sheet; 10. fixed bracket; 11. first limiting rod; 12. rubber pad; 13. telescopic spring; 14. fixed shaft; 15. rotating ring; 16. power sheet; 17. positioning block; 18. second limiting rod; 19. driving block; 20. supporting rod; 21. fixing buckle; 22. through hole; 23. connecting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5The present invention provides a technical solution: a sound adjustment device for a magnetic buzzer for instrument equipment, comprising a device housing 1, a mounting slot 2, a connecting plate 3, a limiting hole 4, a fastening bolt 5, a connecting line 6, a resistor 7, a fixed base 8, a conductive sheet 9, a fixed bracket 10, a first limiting rod 11, a rubber pad 12, a telescopic spring 13, a fixed shaft 14, a rotating ring 15, a power supply sheet 16, a positioning block 17, a second limiting rod 18, a driving block 19, a support rod 20, a fixing buckle 21, a through hole 22 and a connecting hole 23. A mounting groove 2 is provided on the side of the device housing 1, a connecting plate 3 is provided inside the mounting groove 2, a limiting hole 4 is provided at the bottom of the connecting plate 3, a fastening bolt 5 is provided inside the limiting hole 4, a connecting wire 6 is provided inside the device housing 1, a resistor 7 is provided on the outside of the connecting wire 6, a fixed base 8 is installed at the end of the connecting wire 6, and the connecting wire 6 is installed on the upper surface of the fixed base 8, a conductive sheet 9 is provided at the middle position of the end of the connecting wire 6, a fixed bracket 10 is installed above the fixed base 8, a first limiting rod 11 is provided on the fixed bracket 10, a rubber pad 12 is provided at the top of the first limiting rod 11, a telescopic spring 13 is connected to the bottom surface of the rubber pad 12, and the other end of the telescopic spring 13 is provided on the upper surface of the device housing 1, a fixed shaft 14 is provided in the middle position inside the device housing 1, a rotating ring 15 is installed on the outer barrier of the fixed shaft 14, a power-carrying sheet 16 is provided on the side of the rotating ring 15, a positioning block 17 is provided on the side of the power-carrying sheet 16, and the positioning block 17 is also installed on the side of the rotating ring 15 A second limiting rod 18 is provided on the outer side of the fixed shaft 14, and the second limiting rod 18 is installed on the bottom surface of the device housing 1. A driving block 19 is installed on the top of the fixed shaft 14, and a support rod 20 is connected between the bottom surface of the driving block 19 and the rotating ring 15. Fixed buckles 21 are provided on both sides of the connecting line 6, and the bottom of the fixed buckle 21 is installed on the upper surface of the fixed base 8. A through hole 22 is opened on the upper surface of the power-carrying sheet 16, and a connecting hole 23 is opened on the upper surface of the device housing 1, and the connecting hole 23 is opened above the connecting plate 3.

[0023] The mounting groove 2 is symmetrically opened on the side of the device housing 1. The shape and size of the connecting plate 3 are equal to those of the mounting groove 2. The connecting plate 3 and the mounting groove 2 are slidably connected so that the position of the connecting plate 3 can be adjusted.

[0024] The connecting holes 23 are evenly distributed on the upper surface of the device housing 1, and the connecting holes 23 and the device housing 1 are connected through, the fastening bolts 5 and the connecting holes 23 are threadedly connected, and the connecting plate 3 forms an integrated structure with the device housing 1 through the fastening bolts 5, so that the position of the connecting plate 3 can be fixed after adjustment.

[0025] The fixing buckle 21 is L-shaped, and is symmetrically arranged at both ends of the connecting line 6 , and the fixing buckle 21 is fixedly connected to the fixing base 8 so that the connecting line 6 will not be misplaced.

[0026] The fixed bracket 10 is fixedly connected to the side surface inside the device housing 1, the first limiting rod 11 is fixedly connected to the telescopic spring 13, and the first limiting rod 11 forms an up and down lifting structure through the telescopic spring 13, so that the first limiting rod 11 does not affect the rotation of the rotating ring 15.

[0027] The fixed shaft 14 is fixedly connected to the bottom surface inside the device housing 1, the rotating ring 15 is rotationally connected to the fixed shaft 14, and the through hole 22 opened on the power-carrying piece 16 corresponds to the position of the first limiting rod 11, so that the power-carrying piece 16 can be connected to the connecting line 6.

[0028] The positioning block 17 is symmetrically arranged on the bottom surface of the device housing 1 , and the positioning block 17 is fixedly connected to the device housing 1 . The rotating ring 15 forms a rotating structure through the driving block 19 and the support rod 20 .

[0029] A method for using a sound adjustment device for a magnetic buzzer for instrument equipment: first, according to installation requirements, slide the connecting plate 3 inside the installation groove 2. After the position adjustment of the connecting plate 3 is completed, insert the fastening bolt 5 into the corresponding connecting hole 23, and insert the fastening bolt 5 into the limiting hole 4 at the end of the connecting plate 3 to complete the fixation of the connecting plate 3. Then, when the volume needs to be increased, rotate the driving block 19, and the driving block 19 drives the rotating ring 15 to rotate through the supporting rod 20, and pull the first limiting rod 11 upward to separate the first limiting rod 11 from the connecting line 6 and the power-carrying sheet 16, so that the first limiting rod 11 will not affect the rotation of the rotating ring 15. The positioning block 17 on the side of the rotating ring 15 moves to the second limiting rod 18 on the right side, and then loosen the first limiting rod 11 to connect the first limiting rod 11 to the conductive sheet 9 and the power-carrying sheet 16 in the middle position of the right connecting line 6, thereby increasing the volume of the buzzer;

[0030] When the volume needs to be reduced, the rotating ring 15 is rotated in the opposite direction according to the same steps as above to move the positioning block 17 to the second limiting rod 18 on the left side, and then the first limiting rod 11 is released to reduce the volume of the buzzer.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sound adjustment device for a magnetic buzzer for an instrument, comprising a device housing (1), a through hole (22) and a connecting hole (23), characterized in that: The side surface of the device housing (1) is provided with a mounting groove (2), the interior of the mounting groove (2) is provided with a connecting plate (3), the bottom of the connecting plate (3) is provided with a limiting hole (4), the interior of the limiting hole (4) is provided with a fastening bolt (5), the interior of the device housing (1) is provided with a connecting wire (6), the outer side of the connecting wire (6) is provided with a resistor (7), the end of the connecting wire (6) is provided with a fixed base (8), and the connecting wire (6) is installed on the upper surface of the fixed base (8), a conductive sheet (9) is provided at the middle position of the end of the connecting wire (6), a fixed bracket (10) is installed above the fixed base (8), a first limiting rod (11) is provided on the fixed bracket (10), a rubber pad (12) is provided at the top end of the first limiting rod (11), a telescopic spring (13) is connected to the bottom surface of the rubber pad (12), and the other end of the telescopic spring (13) is provided on the upper surface of the device housing (1), the interior of the device housing (1) A fixed shaft (14) is arranged at the middle position of the fixed shaft (14), a rotating ring (15) is installed on the outer side of the fixed shaft (14), a power supply sheet (16) is arranged on the side of the rotating ring (15), a positioning block (17) is arranged on the side of the power supply sheet (16), and the positioning block (17) is also installed on the side of the rotating ring (15), a second limiting rod (18) is arranged on the outer side of the fixed shaft (14), and the second limiting rod (18) is installed on the bottom surface of the device housing (1), and the fixed shaft (14) is provided with a second limiting rod (18). 14), a driving block (19) is installed on the top of the driving block (19), a supporting rod (20) is connected between the bottom surface of the driving block (19) and the rotating ring (15), fixing buckles (21) are arranged on both sides of the connecting line (6), and the bottom of the fixing buckle (21) is installed on the upper surface of the fixed base (8), a through hole (22) is opened on the upper surface of the power supply sheet (16), and a connecting hole (23) is opened on the upper surface of the device housing (1), and the connecting hole (23) is opened above the connecting plate (3); The fixed shaft (14) is fixedly connected to the bottom surface inside the device housing (1), the rotating ring (15) is rotatably connected to the fixed shaft (14), and the through hole (22) provided on the power supply sheet (16) corresponds to the position of the first limiting rod (11); The positioning block (17) is symmetrically arranged on the bottom surface of the device housing (1), and the positioning block (17) and the device housing (1) are fixedly connected. The rotating ring (15) forms a rotating structure through a driving block (19) and a support rod (20).

2. The sound adjustment device for a magnetic buzzer for instrument equipment according to claim 1, characterized in that: The installation groove (2) is symmetrically arranged on the side of the device housing (1); the shape and size of the connecting plate (3) are equal to those of the installation groove (2); and the connecting plate (3) and the installation groove (2) are slidably connected.

3. The sound adjustment device for a magnetic buzzer for an instrument according to claim 1, characterized in that: The connection holes (23) are evenly distributed on the upper surface of the device housing (1), and the connection holes (23) and the device housing (1) are connected through, the fastening bolts (5) and the connection holes (23) are threadedly connected, and the connection plate (3) forms an integrated structure with the device housing (1) through the fastening bolts (5).

4. The sound adjustment device for a magnetic buzzer for an instrument according to claim 1, characterized in that: The fixing buckle (21) is L-shaped, and the fixing buckle (21) is symmetrically arranged at two ends of the connecting line (6), and the fixing buckle (21) is fixedly connected to the fixing base (8).

5. The sound adjustment device for a magnetic buzzer for instrument equipment according to claim 1, characterized in that: The fixed bracket (10) is fixedly connected to the side surface inside the device housing (1), the first limiting rod (11) is fixedly connected to the telescopic spring (13), and the first limiting rod (11) forms an up and down lifting structure through the telescopic spring (13).

6. A method for adjusting the sound adjustment device of the magnetic buzzer for instrument equipment according to any one of claims 1 to 5, characterized in that: According to the installation requirements, the connecting plate (3) is slid inside the installation groove (2). After the position adjustment of the connecting plate (3) is completed, the fastening bolt (5) is inserted into the corresponding connecting hole (23), and the fastening bolt (5) is inserted into the limiting hole (4) at the end of the connecting plate (3) to complete the fixing of the connecting plate (3). When the volume needs to be increased, the driving block (19) is rotated, and the driving block (19) drives the rotating ring (15) to rotate through the supporting rod (20), and the first limiting rod (11) is pulled upward, so that the first limiting rod (11) and The connecting wire (6) and the power supply sheet (16) are separated so that the first limit rod (11) will not affect the rotation of the rotating ring (15). The positioning block (17) on the side of the rotating ring (15) moves to the second limit rod (18) on the right side. Then, the first limit rod (11) is loosened to connect the first limit rod (11) with the conductive sheet (9) and the power supply sheet (16) at the middle position of the right connecting wire (6). The number of resistors on the connecting wire (6) is different. The rotating ring (15) is rotated to connect the power supply sheet (16) with different connecting wires (6), thereby increasing the volume of the buzzer. When the volume needs to be reduced, the rotating ring (15) is rotated in the opposite direction according to the same steps as above, so that the positioning block (17) moves to the second limiting rod (18) on the left side, and then the first limiting rod (11) is released to reduce the volume of the buzzer.

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