CN218918438U - Buzzer with anti-static interference function - Google Patents

Abstract

The utility model discloses a buzzer with an anti-static interference function, which comprises a protection plate and an anti-static component, wherein the left end and the right end of the upper end of the protection plate are respectively provided with a sealing clamping block, the upper end of the sealing clamping block is provided with a protection cover, the left end and the right end of the protection cover are respectively provided with an inclined flow plate, the anti-static component is arranged at the upper end of the protection cover, the anti-static component comprises a metal cover and a hollow layer, and the hollow layer is arranged in the metal cover. This buzzer with prevent static interference function compares with current buzzer, protects the bottom of protection casing through sealed clamp splice, can carry out dustproof and waterproof, avoids inside the causing the influence to buzzer, through the setting of metal cover, can isolate external electromagnetic interference, avoids influencing the normal tone quality of buzzer, through the rotatable fixed of anodal stitch, can conveniently the installer differentiate positive and negative electrode stitch, avoids connecing the mistake, improves the work efficiency of buzzer installation.

Description

Buzzer with anti-static interference function

Technical Field

The utility model relates to the technical field of buzzers, in particular to a buzzer with an anti-static interference function.

Background

The buzzer is an electroacoustic conversion device and is mainly applied to electronic products such as electric energy meters, computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, telephones, timers and the like.

The prior publication number CN204834031U, named as a buzzer, does not have the waterproof and dustproof settings on the buzzer in the use process, so that the inside of the buzzer is corroded, the ageing is easy to accelerate, the service life is influenced, and the buzzer with the anti-static interference function is provided for the situation.

Disclosure of Invention

The utility model aims to provide a buzzer with an anti-static interference function so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a buzzer with prevent static interference function, includes guard plate and antistatic subassembly, both ends all are provided with sealed clamp splice about the upper end of guard plate, and the upper end of sealed clamp splice is provided with the protection casing, both ends all are provided with the diagonal flow board about the protection casing, antistatic subassembly sets up in the upper end of protection casing, and antistatic subassembly includes metal cover and hollow layer, the inside of metal cover is provided with the hollow layer.

Further, the inside left end of guard plate runs through there is the negative pole stitch, and the lower extreme middle part of guard plate is provided with isolated subassembly, the lower extreme left side of guard plate is connected with the earth connection.

Further, the isolation assembly comprises a spring and an insulating plate, and the left end and the right end of the spring are respectively provided with the insulating plate.

Further, the inside right-hand member of guard plate runs through has positive electrode stitch subassembly, and positive electrode stitch subassembly includes swivelling joint spare and positive electrode stitch, the lower extreme of swivelling joint spare is connected with positive electrode stitch.

Further, the upper end of negative electrode stitch is connected with sound production subassembly, and sound production subassembly includes iron core, coil magnet and trembler, the upper end of iron core is provided with coil magnet, and the outside of iron core is provided with the trembler.

Further, fixed subassembly is provided with on the lower extreme right side of guard plate, and fixed subassembly includes fixed plate, grip block and rubber pad, both sides all are provided with the grip block around the lower extreme of fixed plate, and the inboard of grip block is provided with the rubber pad.

Furthermore, the spring is elastically connected with the insulating plate, and the insulating plate is in sliding connection with the protection plate.

Compared with the prior art, the utility model has the beneficial effects that: the bottom of the protective cover is protected through the sealing clamping block, dust and water prevention can be carried out, the influence on the inside of the buzzer is avoided, the outside electromagnetic interference can be isolated through the arrangement of the metal cover, the influence on the normal tone quality of the buzzer is avoided, the positive and negative electrode pins can be distinguished by an installer conveniently through the rotatable fixation of the positive electrode pins, the error connection is avoided, and the working efficiency of the installation of the buzzer is improved;

1. according to the utility model, the bottom of the buzzer is provided with the PCB protection plate, the outside is provided with the plastic protection cover, the protection plate and the protection cover are sealed by the silica gel sealing clamping blocks, then the protection plate and the protection cover are fixed by screws, the inside of the buzzer can be dustproof and waterproof by clamping the sealing clamping blocks, and moisture falling on the outer surface of the protection cover can slide down through a slope by the diagonal flow plate, so that the situation that dust and water can accelerate the ageing of internal parts of the buzzer is avoided, and the service life of the buzzer is influenced;

2. according to the utility model, the metal cover made of aluminum is arranged at the upper end of the protective cover, and the metal material can block a part of external electrostatic interference, and the hollow layer can improve the interference effect, so that the static interference in the buzzer is further reduced, and the metal cover is connected with the ground through the arrangement of the grounding wire, so that static electricity in and out of the buzzer can be effectively stopped, the influence of static electricity on the work of the coil magnet and the vibrating piece in the buzzer is reduced, the normal tone quality in the buzzer is ensured, and the influence of noise on the normal use of a user is avoided;

3. the utility model has the advantages that the positive pin and the negative pin of the buzzer are required to be distinguished and welded and installed, the negative pin is arranged as a single pin, the upper end of the positive pin is connected and distinguished through the rotary connecting piece, the positive pin can be clamped in the clamping block to be fixed through rotation before being used, and the rubber pad provides stability and protection, so that a plurality of working procedures can be performed before installation, an installer can be reminded of distinguishing the positive pin from the negative pin conveniently, the positive pin and the negative pin are blocked through the insulating plate, the mutual contact is avoided, the use is influenced, the spring can provide a buffer force, a certain protection effect is achieved, the positive pin and the negative pin can be distinguished conveniently by the installer through the arrangement, the error connection is avoided, and the working efficiency of the installation of the buzzer is improved.

Drawings

FIG. 1 is a schematic diagram showing a cross-sectional front view of a buzzer with anti-static interference function according to the present utility model;

fig. 2 is an enlarged schematic view of the structure of the buzzer with anti-electrostatic interference function in fig. 1;

fig. 3 is a schematic partial perspective view of a fixing assembly of a buzzer with anti-electrostatic interference function according to the present utility model.

In the figure: 1. a protection plate; 2. sealing the clamping blocks; 3. a diagonal flow plate; 4. a protective cover; 5. an antistatic component; 501. a metal cover; 502. a hollow layer; 6. a sound emitting assembly; 601. an iron core; 602. a coil magnet; 603. a vibrating piece; 7. an isolation assembly; 701. a spring; 702. an insulating plate; 8. an anode pin assembly; 801. a rotary connector; 802. a positive electrode pin; 9. a negative electrode pin; 10. a ground wire; 11. a fixing assembly; 1101. a fixing plate; 1102. a clamping block; 1103. and a rubber pad.

Detailed Description

As shown in fig. 1 and 2, a buzzer with anti-static interference function comprises a protection plate 1 and an anti-static component 5, wherein the left and right ends of the upper end of the protection plate 1 are respectively provided with a sealing clamping block 2, the upper end of the sealing clamping block 2 is provided with a protection cover 4, the left and right ends of the protection cover 4 are respectively provided with an inclined flow plate 3, the anti-static component 5 is arranged at the upper end of the protection cover 4, the anti-static component 5 comprises a metal cover 501 and a hollow layer 502, the inside of the metal cover 501 is provided with the hollow layer 502, the bottom of the buzzer is provided with a layer of PCB protection plate 1, the outside is provided with a plastic protection cover 4, the protection plate 1 and the protection cover 4 are sealed by a silica gel sealing clamping block 2, then the protection plate is fixed by screws, the inside of the buzzer can be dustproof and waterproof by clamping the sealing clamping blocks 2, and moisture falling on the outer surface of the protection cover 4 can slide down by a slope through the inclined flow plates 3, therefore, the dust and water can be prevented from accelerating the ageing of internal parts of the buzzer, the service life of the buzzer is affected, the negative electrode pins 9 penetrate through the left end of the inside of the protection plate 1, the isolation component 7 is arranged in the middle of the lower end of the protection plate 1, the grounding wire 10 is connected to the left side of the lower end of the protection plate 1, the sounding component 6 is connected to the upper end of the negative electrode pins 9, the sounding component 6 comprises an iron core 601, a coil magnet 602 and a vibration piece 603, the coil magnet 602 is arranged at the upper end of the iron core 601, the vibration piece 603 is arranged outside the iron core 601, the interference effect can be improved by arranging the metal cover 501 made of aluminum at the upper end of the protection cover 4, because the metal material can isolate part of external electrostatic interference, and the hollow layer 502 can improve the interference effect, in order to further reduce the electrostatic interference inside the buzzer, the metal cover 501 is connected with the ground by arranging the grounding wire 10, through this setting can effectually stop the inside and outside static of buzzer to reduce the influence that static worked to the inside coil magnet 602 of buzzer and trembler 603, ensured the well normal tone quality of buzzer, avoided appearing the noise and influenced user's normal use.

As shown in fig. 1 and 3, isolated subassembly 7 includes spring 701 and insulation board 702, and both ends all are provided with insulation board 702 about spring 701, the inside right-hand member of guard plate 1 runs through there is anodal stitch subassembly 8, and anodal stitch subassembly 8 includes swivelling joint spare 801 and anodal stitch 802, the lower extreme of swivelling joint spare 801 is connected with anodal stitch 802, the lower extreme right side of guard plate 1 is provided with fixed subassembly 11, and fixed subassembly 11 includes fixed plate 1101, grip block 1102 and rubber pad 1103, both sides all are provided with grip block 1102 around the lower extreme of fixed plate 1101, and the inboard of grip block 1102 is provided with the rubber pad 1103, spring 701 and insulation board 702 are elastic connection, and insulation board 702 is sliding connection with guard plate 1, because the buzzer is active sounding, so the positive and negative stitch of buzzer need distinguish welded installation, be single setting through negative electrode stitch 9, and anodal stitch 802 upper end is connected through swivelling joint spare 801, and anodal stitch 802 can be fixed in grip block 1102 through rotating before not using, and by rubber pad 1103 provides stability and protection nature, can be convenient for carry out the installation with the insulation board through the effect of setting up the insulation board, can be conveniently and the baffle-up with the insulation board is avoided having a lot of installation to the personnel to the impact buffer personnel, the mutual impact of the installation is avoided, the mutual impact on the installation is avoided, the performance is convenient to be equipped with the insulation board is easy to the insulation board is equipped with the insulation board 702, and has a plurality of impact with the installation is convenient to install.

Working principle: when the buzzer with the anti-static interference function is used, firstly, a layer of PCB protection plate 1 is arranged at the bottom of the buzzer, the outside is protected by a plastic protection cover 4, the protection plate 1 and the protection cover 4 are sealed by a silica gel sealing clamping block 2, then the protection plate is fixed by screws, the inside of the buzzer can be dustproof and waterproof by clamping the sealing clamping block 2, moisture falling on the outer surface of the protection cover 4 can slide down through a slope by a diagonal flow plate 3, a metal cover 501 made of aluminum is arranged at the upper end of the protection cover 4, because the metal material can block part of external static interference, the hollow layer 502 can improve the interference effect, in order to further reduce the static interference in the buzzer, the metal cover 501 is connected with the ground by arranging a grounding wire 10, therefore, the influence of static electricity on the work of the coil magnet 602 and the vibrating piece 603 inside the buzzer is reduced, because the buzzer is actively sounding, the positive pin and the negative pin of the buzzer are required to be distinguished and welded, the negative pin 9 is a single pin, the upper end of the positive pin 802 is connected and distinguished through the rotary connecting piece 801, the positive pin 802 can be clamped in the clamping block 1102 through rotation before being used, and the fixed protection is provided by the rubber pad 1103, so that the working procedure before the installation is finished, the installation personnel can be conveniently reminded to distinguish the positive pin from the negative pin, the use is prevented from being influenced by the mutual contact between the positive pin 802 and the negative pin 9 through the insulation board 702, the spring 701 can provide buffering force, and the contact between the pins is avoided, namely the working principle of the buzzer with the function of preventing static electricity interference.

Claims (7)

1. The utility model provides a buzzer with prevent static interference function, includes guard plate (1) and antistatic subassembly (5), its characterized in that, both ends all are provided with sealed clamp splice (2) about the upper end of guard plate (1), and the upper end of sealed clamp splice (2) is provided with protection casing (4), both ends all are provided with diagonal flow board (3) about protection casing (4), antistatic subassembly (5) set up in the upper end of protection casing (4), and antistatic subassembly (5) include metal cover (501) and hollow layer (502), the inside of metal cover (501) is provided with hollow layer (502).

2. The buzzer with the anti-static interference function according to claim 1, wherein a negative electrode pin (9) penetrates through the left end of the inside of the protection plate (1), an isolation component (7) is arranged in the middle of the lower end of the protection plate (1), and a grounding wire (10) is connected to the left side of the lower end of the protection plate (1).

3. A buzzer with electrostatic interference prevention function according to claim 2, wherein the isolation component (7) comprises a spring (701) and an insulating plate (702), and insulating plates (702) are arranged at both left and right ends of the spring (701).

4. The buzzer with the anti-static interference function according to claim 1, wherein the right end inside the protection plate (1) is penetrated with a positive electrode pin assembly (8), the positive electrode pin assembly (8) comprises a rotary connecting piece (801) and a positive electrode pin (802), and the lower end of the rotary connecting piece (801) is connected with the positive electrode pin (802).

5. The buzzer with the anti-static interference function according to claim 2, wherein the upper end of the negative electrode pin (9) is connected with a sounding component (6), the sounding component (6) comprises an iron core (601), a coil magnet (602) and a vibrating piece (603), the upper end of the iron core (601) is provided with the coil magnet (602), and the vibrating piece (603) is arranged outside the iron core (601).

6. The buzzer with the anti-static interference function according to claim 1, wherein a fixing component (11) is arranged on the right side of the lower end of the protection plate (1), the fixing component (11) comprises a fixing plate (1101), clamping blocks (1102) and rubber pads (1103), the clamping blocks (1102) are arranged on the front side and the rear side of the lower end of the fixing plate (1101), and the rubber pads (1103) are arranged on the inner side of the clamping blocks (1102).

7. A buzzer with anti-static interference function according to claim 3, characterized in that the spring (701) is elastically connected with the insulating plate (702), and the insulating plate (702) is slidingly connected with the protection plate (1).

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