CN220509702U - Electromagnetic type exempts from to weld bee calling organ - Google Patents

Abstract

The utility model discloses an electromagnetic type welding-free buzzer, wherein a buzzer is arranged in a base, the surface of the buzzer is fixedly connected with a clamping rod, two sides of the base are symmetrically and fixedly connected with a first support plate, the center of the upper end face of the first support plate is provided with a first threaded hole, the upper end face of the base is lapped with a cover plate, two sides of the cover plate are symmetrically and fixedly connected with a second support plate, the upper end face of the second support plate is provided with a second threaded hole, the first threaded hole and the second threaded hole are in threaded connection with a threaded rod, the top of the cover plate is fixedly connected with a telescopic rod, and the surface of the telescopic rod is sleeved with a spring. Staff's accessible clamping lever is placed downwards in the draw-in groove, realizes the installation between buzzer and the base, and the surface of clamping lever makes simple to operate swift's more firm in the time of laminating mutually with the draw-in groove, has avoided the welding, can increase buzzer's volume through the trembler simultaneously, improves the practicality.

Description

Electromagnetic type exempts from to weld bee calling organ

Technical Field

The utility model relates to the technical field of electromagnetic welding-free buzzers, in particular to an electromagnetic welding-free buzzer.

Background

The buzzer is an electronic sounder with an integrated structure, adopts direct-current voltage to supply power, and is widely applied to electronic products such as computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, telephones, timers and the like as a sounding device. The buzzer is mainly divided into two types, a piezoelectric buzzer and an electromagnetic buzzer. The buzzer is represented by the letter "H" or "HA" in the circuit (the old standard is represented by "FM", "ZZG", "LB", "JD", etc.), and the piezoelectric buzzer mainly comprises a multivibrator, a piezoelectric buzzer, an impedance matcher, a resonance box, a housing, etc. The shell of some piezoelectric buzzers is also provided with a light-emitting diode, and the buzzers multivibrator consists of transistors or integrated circuits. When the power supply is switched on (1.5-15V direct current working voltage), the multivibrator vibrates, an audio signal of 100-500 HZ is output, the impedance matcher pushes the piezoelectric buzzer to sound, the piezoelectric buzzer [1] is made of lead zirconate titanate or lead magnesium niobate piezoelectric ceramic material, silver electrodes are plated on two sides of the ceramic, and the piezoelectric buzzer is stuck with the brass sheet or the stainless steel sheet after polarization and aging treatment. The electromagnetic buzzer consists of an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm, a shell and the like, and after the power supply is switched on, audio signal current generated by the oscillator passes through the electromagnetic coil, so that the electromagnetic coil generates a magnetic field. The vibrating diaphragm periodically vibrates and sounds under the interaction of the electromagnetic coil and the magnet.

The patent number is CN210349304U discloses an electromagnetic type welding-free buzzer, the structural design is reasonable, and the welding-free buzzer can be realized by the electromagnetic type welding-free buzzer, so that the electromagnetic type welding-free buzzer is convenient to detach from a circuit board.

However, according to the conventional electromagnetic welding-free buzzer, the buzzer shell and the contact pin move relatively to realize sounding of the buzzer, and the sounding volume is small while sounding is realized, so that the electromagnetic welding-free buzzer is low in practicability.

In order to solve the above problems, the present utility model provides an electromagnetic welding-free buzzer.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electromagnetic welding-free buzzer, which solves the technical problems that the electromagnetic welding-free buzzer in the prior art can realize the sounding of the buzzer by the relative movement of a buzzer shell and a contact pin, and has low sounding volume and low practicability when the sounding is realized.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an electromagnetic type exempts from to weld bee calling organ, includes the base, be provided with bee calling organ in the base, bee calling organ's fixed surface is connected with the draw-in lever, the first backup pad board of base bilateral symmetry fixedly connected with, first screw hole has been seted up to the center department of first backup pad up end, the up end overlap joint of base has the apron, apron bilateral symmetry fixedly connected with second backup pad, the second screw hole has been seted up to the up end of second backup pad, first screw hole and the common threaded connection of second screw hole have the threaded rod, the top fixedly connected with telescopic link of apron, the spring has been cup jointed on the surface of telescopic link, two connecting holes have been seted up in the base, two sliding connection has the pin in the connecting hole.

As the preferable technical scheme of the utility model, the bottom end of the telescopic rod is fixedly connected with the vibrating piece, and the upper end surface of the vibrating piece is fixedly connected with the bottom end of the spring.

As the preferable technical scheme of the utility model, the top end of the spring is fixedly connected with the top of the cover plate, and a propagation port is formed in the center of the upper end surface of the cover plate.

As the preferable technical scheme of the utility model, the lower end face of the vibrating piece is overlapped with the upper end face of the buzzer, clamping grooves are formed in the two symmetrical sides of the base, and the clamping grooves are in sliding connection with the clamping rods.

As the preferable technical scheme of the utility model, the base is internally provided with the mounting opening, and the mounting opening is internally fixedly connected with the heat dissipation net.

As the preferable technical scheme of the utility model, a supporting block is fixedly connected in the base, the upper end face of the supporting block is propped against the lower end face of the buzzer, the top end of the threaded rod is fixedly connected with a knob, and the surface of the knob is fixedly connected with anti-skid patterns.

The utility model provides an electromagnetic welding-free buzzer, which has the following beneficial effects:

1. staff's accessible clamping lever is placed downwards in the draw-in groove, realizes the installation between buzzer and the base, and the surface of clamping lever makes simple to operate swift's more firm in the time of laminating mutually with the draw-in groove, has avoided the welding, can increase buzzer's volume through the trembler simultaneously, improves the practicality.

2. The supporting block is used for supporting the buzzer and simultaneously reserving a certain space between the bottom of the buzzer and the base, and the bottom of the buzzer is conveniently cooled through the cooling net.

Drawings

Fig. 1 is a schematic structural diagram of an electromagnetic welding-free buzzer according to the present utility model;

fig. 2 is a schematic structural diagram of the inside of an electromagnetic welding-free buzzer cover plate provided by the utility model;

fig. 3 is a schematic structural diagram of an electromagnetic welding-free buzzer according to the present utility model;

fig. 4 is a schematic structural diagram of the inside of a cross section of an electromagnetic welding-free buzzer chassis according to the present utility model.

In the figure: 1 base, 2 first backup pad, 3 first screw holes, 4 supporting shoe, 5 heat dissipation net, 6 connecting holes, 7 draw-in grooves, 8 draw-in bars, 9 buzzer, 10 pins, 11 apron, 12 second backup pad, 13 threaded rods, 14 knob, 15 telescopic links, 16 springs, 17 trembler.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an electromagnetic type exempts from welding buzzer, including base 1, be provided with buzzer 9 in the base 1, the fixed surface of buzzer 9 is connected with clamping bar 8, the first backup pad 2 board 2 of base 1 bilateral symmetry fixedly connected with, first screw hole 3 has been seted up to the center department of first backup pad 2 up end, the up end overlap joint of base 1 has apron 11, through setting up apron 11, still install telescopic link 15 and spring 16 when realizing protecting buzzer 9, apron 11 bilateral symmetry fixedly connected with second backup pad 12, the second screw hole has been seted up to the up end of second backup pad 12, first screw hole 3 and the common threaded connection of second screw hole have threaded rod 13, through setting up first screw hole 3, second screw hole and threaded rod 13, when threaded rod 13 is connected through the threaded connection between first screw hole 3 and the second screw hole, the top fixedly connected with telescopic link 15 between apron 11 and the base 1, telescopic link 15's surface cup joints spring 16, through setting up telescopic link 15 and spring 16, when supporting the trembler 17, the trembler that makes things convenient for 17 reciprocates, guarantee that 17 moves down, two smooth pin 6 are placed through setting up and 6 in the base 6, the smooth connection is realized to two, the pin is placed to 6.

Wherein, the bottom fixedly connected with trembler 17 of telescopic link 15 through setting up trembler 17, can increase the alarm sound of buzzer 9, improves the practicality of this device, the up end of trembler 17 and the bottom fixed connection of spring 16.

Wherein, the top of spring 16 is fixed connection with the top of apron 11, and the center department of apron 11 up end sets up the propagation mouth.

Wherein, the lower terminal surface of trembler 17 overlaps with the up end of buzzer 9, and draw-in groove 7 has been seted up to the symmetry both sides in the base 1, and draw-in groove 7 and draw-in bar 8 sliding connection through setting up draw-in groove 7 and draw-in bar 8, when draw-in bar 8 support into in the draw-in groove 7, realizes the installation between buzzer 9 and the base 1, still conveniently replaces simultaneously, avoids the welding.

Wherein, set up the installing port in the base 1, fixedly connected with heat dissipation net 5 in the installing port, through setting up heat dissipation net 5, can dispel the heat the effect to the bottom of buzzer 9.

Wherein, fixedly connected with supporting shoe 4 in the base 1, through setting up supporting shoe 4, can leave certain space between buzzer 9 and the base 1, conveniently dispel the heat, the up end of supporting shoe 4 offsets with the lower terminal surface of buzzer 9, the top fixedly connected with knob 14 of threaded rod 13, the fixed surface of knob 14 is connected with the anti-skidding line.

The working principle of the utility model is as follows: staff's accessible draw-in groove 7 control card pole 8 moves downwards, carry out spacingly to buzzer 9 in base 1, outside the pin 10 extends to base 1 through connecting hole 6 this moment, supporting shoe 4 can leave certain space to the bottom of buzzer 9, can dispel the heat to the bottom of buzzer 9 through heat dissipation net 5, simultaneously when threaded rod 13 support into first screw hole 3 and second screw hole, realize the installation between base 1 and the apron 11, the apron 11 is through the diameter the same with base 1, can make the connection after the installation inseparabler, the trembler 17 can increase the alarm sound of buzzer 9, improve the practicality of this device.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims (6)

1. The utility model provides an electromagnetic type exempts from to weld bee calling organ, includes base (1), its characterized in that, be provided with bee calling organ (9) in base (1), the fixed surface of bee calling organ (9) is connected with clamping rod (8), first backup pad (2) board (2) of base (1) bilateral symmetry fixedly connected with, first screw hole (3) have been seted up in the center department of first backup pad (2) up end, the up end overlap joint of base (1) has apron (11), apron (11) bilateral symmetry fixedly connected with second backup pad (12), the second screw hole has been seted up to the up end of second backup pad (12), the common threaded connection of first screw hole (3) and second screw hole has threaded rod (13), the top fixedly connected with telescopic link (15) of apron (11), spring (16) have been cup jointed on the surface of telescopic link (15), two connecting hole (6) have been seted up in base (1), two the interior pin (10) that are connected with of connecting hole (6).

2. The electromagnetic welding-free buzzer as claimed in claim 1, wherein the bottom end of the telescopic rod (15) is fixedly connected with a vibrating piece (17), and the upper end surface of the vibrating piece (17) is fixedly connected with the bottom end of the spring (16).

3. The electromagnetic welding-free buzzer as claimed in claim 2, wherein the top end of the spring (16) is fixedly connected with the top of the cover plate (11), and the center of the upper end surface of the cover plate (11) is provided with a propagation port.

4. The electromagnetic welding-free buzzer as claimed in claim 2, wherein the lower end surface of the vibrating plate (17) is overlapped with the upper end surface of the buzzer (9), clamping grooves (7) are formed in two symmetrical sides of the base (1), and the clamping grooves (7) are slidably connected with the clamping rods (8).

5. The electromagnetic welding-free buzzer as claimed in claim 1, wherein a mounting opening is formed in the base (1), and a heat dissipation net (5) is fixedly connected in the mounting opening.

6. The electromagnetic welding-free buzzer as claimed in claim 1, wherein the base (1) is fixedly connected with a supporting block (4), the upper end surface of the supporting block (4) is propped against the lower end surface of the buzzer (9), the top end of the threaded rod (13) is fixedly connected with a knob (14), and the surface of the knob (14) is fixedly connected with anti-skid patterns.