Waterproof buzzer

Abstract

The utility model relates to the technical field of buzzers, in particular to a waterproof buzzer which can effectively enhance the waterproof performance of the buzzer, meet the waterproof requirement, prevent the buzzer from being damaged and losing efficacy and avoid serious consequences. Comprising a buzzer body, the buzzer body is fixedly installed at the bottom end in a waterproof shell, two sets of pins are fixedly arranged at the bottom of the waterproof shell and electrically connected with an electrical interface of the buzzer body, the electrical interface of the buzzer body is led out of the waterproof shell through the two sets of pins, and a baffle ring is fixedly arranged on the outer wall of the waterproof shell. The circumferential outer wall of the frustum flow guide cover is in sealing contact with the inner wall of the end cover, the bottom end of the frustum flow guide cover is tightly attached to the top end of the waterproof shell, and the end cover and the frustum flow guide cover are each annularly provided with four sets of sound penetrating holes at equal intervals in a communicated mode. And four groups of drainage grooves are annularly and equidistantly formed in the circumferential outer wall of the end cover in a communicating manner, and the four groups of drainage grooves are downwards inclined.

Description

Technical Field

[0001] The utility model relates to the technical field of buzzers, in particular to a waterproof buzzer. Background Art

[0002] A buzzer is an electronic sounder with an integrated structure, powered by DC voltage. It 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.

[0003] The buzzer integrated on the airborne control panel usually has functions such as prompting and alarming. As the equipment that operators most often touch and operate, the control panel often has certain waterproof requirements. However, most of the existing buzzers cannot meet the waterproof requirements. The waterproof performance of the buzzer is poor. In actual applications, the buzzer often fails due to water intrusion into the buzzer pores, causing damage to the product function. Because the buzzer acts as an alarm on some products, its failure will have more serious consequences. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a waterproof buzzer which can effectively enhance the waterproof performance of the buzzer, meet the waterproof requirements, prevent the buzzer from being damaged and ineffective, and avoid causing more serious consequences.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof buzzer, comprising a buzzer body and a waterproof mechanism, the waterproof mechanism comprising a waterproof shell and an end cover, the buzzer body is fixedly installed at the bottom end of the waterproof shell, the bottom of the waterproof shell is fixedly provided with two groups of pins, the two groups of pins are electrically connected to the electrical interface of the buzzer body, the electrical interface of the buzzer body is led out of the waterproof shell through the two groups of pins, a retaining ring is fixedly provided on the outer wall of the waterproof shell, an outer thread buckle is provided on the upper outer wall of the waterproof shell, and an inner thread buckle is provided on the circumferential inner wall of the end cover The end cover is screwed on the waterproof shell through the cooperation of the external thread buckle and the internal thread buckle, the bottom end of the end cover is tightly attached to the top end of the retaining ring, a frustum air deflector is fixedly installed on the top end of the end cover, the outer wall of the frustum air deflector is in sealing contact with the inner wall of the end cover, and the bottom end of the frustum air deflector is tightly attached to the top end of the waterproof shell, the end cover and the frustum air deflector are both annularly equidistantly connected with four groups of sound-permeable holes, a waterproof sound-permeable membrane is fixedly attached to the conical surface of the top of the frustum air deflector, and four groups of drainage grooves are annularly equidistantly connected on the outer wall of the end cover, and the four groups of drainage grooves are all inclined downward.

[0007] Preferably, the tops of the four groups of sound-permeating holes on the end cover are all provided with countersunk holes, circular dust-proof nets are fixedly installed in the four groups of countersunk holes, and arc-shaped dust-proof nets are fixedly installed on the four groups of drainage grooves on the outer wall of the end cover.

[0008] Preferably, a fixing bolt is threadedly installed in the middle of the top of the frustum air deflector, a threaded hole is provided in the middle of the inner top of the end cover, and the frustum air deflector is detachably fixed to the inner top of the end cover through the cooperation of the fixing bolt and the threaded hole.

[0009] Preferably, an annular inner sealing gasket is fixedly connected to the bottom end of the frustum air guide cover.

[0010] Preferably, an annular outer sealing gasket is fixedly connected to the top end of the retaining ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, the buzzer body is fixedly installed in the waterproof shell, and the electrical interface of the buzzer body is led out of the waterproof shell through pins to facilitate wiring while preventing water vapor from entering. The sound can penetrate through the end cover and the sound-permeable holes on the cone air deflector. The sound-permeable holes on the cone air deflector are completely covered by the waterproof sound-permeable membrane, which can prevent the outside water vapor from entering the waterproof shell. At the same time, the sound can be transmitted to the outside through the waterproof sound-permeable membrane. The water vapor and water stains intercepted by the waterproof sound-permeable membrane will be attached to the outer surface of the waterproof sound-permeable membrane, and as the water vapor attaches more and more, it will gradually condense into water droplets, slide down under the action of gravity, and be discharged through the drainage groove. The drainage groove is tilted downward, so that water can be discharged more easily, and water accumulation can be prevented, thereby effectively enhancing the waterproof performance of the buzzer, meeting the waterproof requirements, and preventing the buzzer from being damaged and failing due to moisture, thereby avoiding more serious consequences. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric cross-section structure of the utility model;

[0014] Figure 3 This utility model Figure 2 A front view structural diagram of

[0015] Figure 4 It is a schematic diagram of the axonometric structure of the installation of the end cover and the cone air guide cover in the utility model;

[0016] Figure 5 This utility model Figure 4 Schematic diagram of the bottom axonometric structure;

[0017] Figure 6 It is a schematic diagram of the axonometric structure of the cone-shaped air guide cover of the utility model;

[0018] Markings in the attached figure: 1. Buzzer body; 2. Waterproof shell; 3. Pin; 4. Retaining ring; 5. End cover; 6. External thread buckle; 7. Internal thread buckle; 8. Conical air deflector; 9. Sound hole; 10. Waterproof sound-permeable membrane; 11. Drain groove; 12. Circular dustproof net; 13. Arc dustproof net; 14. Fixing bolt; 15. Annular inner sealing gasket; 16. Annular outer sealing gasket. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] Example

[0021] See also Figure 1-Figure 6 The utility model discloses a waterproof buzzer, comprising a buzzer body 1, which is fixedly mounted at the bottom of a waterproof shell 2, two groups of pins 3 are fixedly arranged at the bottom of the waterproof shell 2, the two groups of pins 3 are electrically connected to the electrical interface of the buzzer body 1, the electrical interface of the buzzer body 1 is led out of the waterproof shell 2 through the two groups of pins 3, a retaining ring 4 is fixedly arranged on the outer wall of the waterproof shell 2, an external thread buckle 6 is arranged on the upper outer wall of the waterproof shell 2, an internal thread buckle 7 is arranged on the inner wall of the circumference of the end cover 5, and the end cover 5 is connected to the outer wall of the waterproof shell 2 through the external thread buckle 6. The screw cover with the inner thread buckle 7 is screwed on the waterproof shell 2, the bottom end of the end cover 5 is tightly attached to the top end of the retaining ring 4, a frustum flow guide cover 8 is fixedly installed on the top end of the end cover 5, the outer circumferential wall of the frustum flow guide cover 8 is in sealing contact with the inner wall of the end cover 5, and the bottom end of the frustum flow guide cover 8 is tightly attached to the top end of the waterproof shell 2, the end cover 5 and the frustum flow guide cover 8 are both annularly equidistantly connected with four groups of sound-permeable holes 9, a waterproof sound-permeable membrane 10 is fixedly attached to the top conical surface of the frustum flow guide cover 8, and four groups of annularly equidistantly connected on the outer circumferential wall of the end cover 5 Drainage groove 11, and four groups of drainage grooves 11 are all inclined downward; when in use, the buzzer body 1 is fixedly installed in the waterproof shell 2, and the electrical interface of the buzzer body 1 is led out of the waterproof shell 2 through the pin 3 to facilitate wiring while preventing water vapor from entering. Through the end cover 5 and the sound-permeable hole 9 on the frustum air deflector 8, it is convenient for sound to penetrate. Through the waterproof sound-permeable membrane 10, the sound-permeable holes 9 on the frustum air deflector 8 are completely covered, which can prevent the outside water vapor from entering the waterproof shell 2. At the same time, the sound can be transmitted to the outside through the waterproof sound-permeable membrane 10, and the water vapor and water stains intercepted by the waterproof sound-permeable membrane 10 will be attached to the outer surface of the waterproof sound-permeable membrane 10, and as the water vapor attaches more and more, it gradually condenses into water droplets, slides down under the action of gravity, and is discharged through the drainage groove 11. The drainage groove 11 is inclined downward, making it easier to discharge water and preventing water accumulation, thereby effectively enhancing the waterproof performance of the buzzer, meeting the waterproof requirements, preventing the buzzer from being damaged by moisture and failing, and avoiding more serious consequences.

[0022] The four groups of sound-permeating holes 9 on the end cover 5 are each provided with a countersunk hole at the top, and a circular dust-proof net 12 is fixedly installed in each of the four groups of countersunk holes, and an arc-shaped dust-proof net 13 is fixedly installed on each of the four groups of drainage grooves 11 on the outer wall of the end cover 5; by providing the circular dust-proof net 12 and the arc-shaped dust-proof net 13, it is possible to effectively prevent external dust and impurities from entering the end cover 5.

[0023] A fixing bolt 14 is screwed in the middle of the top of the frustum air deflector 8, and a threaded hole is provided in the middle of the top of the end cover 5. The frustum air deflector 8 is detachably fixedly installed on the top of the inside of the end cover 5 through the cooperation of the fixing bolt 14 and the threaded hole; the frustum air deflector 8 is installed on the end cover 5 by adopting the cooperation of the fixing bolt 14 and the threaded hole, and the end cover 5 can be opened by screwing, so that the frustum air deflector 8 can be conveniently removed from the end cover 5, thereby facilitating the cleaning and replacement of the waterproof and sound-permeable membrane 10.

[0024] The bottom end of the frustum air guide cover 8 is fixedly connected with an annular inner sealing gasket 15; by providing the annular inner sealing gasket 15, the bottom end of the frustum air guide cover 8 can be more closely contacted with the top end of the waterproof shell 2, thereby improving the sealing of the contact surface between the bottom of the frustum air guide cover 8 and the waterproof shell 2.

[0025] The top of the retaining ring 4 is fixedly connected with an annular outer sealing gasket 16 ; by providing the annular outer sealing gasket 16 , the end cover 5 can be more closely matched with the retaining ring 4 after being screwed on, thereby improving the sealing performance of the end cover 5 and the retaining ring 4 .

[0026] The utility model discloses a waterproof buzzer, and its working principle is that when in use, the buzzer body 1 is fixedly installed in the waterproof shell 2, and the electrical interface of the buzzer body 1 is led out of the waterproof shell 2 through the pin 3 to facilitate wiring and prevent water vapor from entering. The sound can penetrate through the end cover 5 and the sound-permeable hole 9 on the cone-shaped air deflector 8. The sound-permeable hole 9 on the cone-shaped air deflector 8 is completely covered by the waterproof sound-permeable membrane 10, so that the water vapor outside can be prevented from entering the waterproof shell 2. At the same time, the sound can be transmitted to the outside through the waterproof sound-permeable membrane 10, and the water vapor and water stains intercepted by the waterproof sound-permeable membrane 10 will be attached to the outer surface of the waterproof sound-permeable membrane 10, and as the water vapor is attached more and more, it will gradually condense into water droplets, slide down under the action of gravity, and be discharged through the drainage groove 11. The drainage groove 11 is tilted downward, so that water can be discharged more easily, and water accumulation on the waterproof sound-permeable membrane 10 can be prevented.

[0027] The installation method, connection method or setting method of the waterproof buzzer of the utility model are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the waterproof sound-permeable membrane in the waterproof buzzer of the utility model belongs to the existing technology, can be purchased on the market, and is also used in a waterproof buzzer structure disclosed in patent publication number CN22 end cover 569393U, so its specific structure and principle will not be described in detail.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A waterproof buzzer, comprising a buzzer body (1), characterized in that: Also includes a waterproof mechanism; A waterproof mechanism, the waterproof mechanism comprising a waterproof shell (2) and an end cover (5), a buzzer body (1) is fixedly mounted at the bottom end of the waterproof shell (2), two groups of pins (3) are fixedly arranged at the bottom of the waterproof shell (2), the two groups of pins (3) are electrically connected to the electrical interface of the buzzer body (1), the electrical interface of the buzzer body (1) is led out of the waterproof shell (2) through the two groups of pins (3), a retaining ring (4) is fixedly arranged on the outer wall of the waterproof shell (2), an outer thread buckle (6) is arranged on the upper outer wall of the waterproof shell (2), an inner thread buckle (7) is arranged on the circumferential inner wall of the end cover (5), and the end cover (5) is connected to the outer thread buckle (6) and the inner thread buckle (7) through the cooperation between the outer thread buckle (6) and the inner thread buckle (7) The screw-mounted cover is on the waterproof housing (2), the bottom end of the end cover (5) is tightly attached to the top end of the retaining ring (4), a frustum-shaped air deflector (8) is fixedly installed on the top end of the end cover (5), the outer circumferential wall of the frustum-shaped air deflector (8) is in sealing contact with the inner wall of the end cover (5), and the bottom end of the frustum-shaped air deflector (8) is tightly attached to the top end of the waterproof housing (2), the end cover (5) and the frustum-shaped air deflector (8) are both annularly equidistantly connected with four groups of sound-permeable holes (9), a waterproof sound-permeable membrane (10) is fixedly attached to the top conical surface of the frustum-shaped air deflector (8), and four groups of drainage grooves (11) are annularly equidistantly connected on the outer circumferential wall of the end cover (5), and the four groups of drainage grooves (11) are all in a downwardly inclined shape.

2. A waterproof buzzer as claimed in claim 1, characterized in that: The tops of the four groups of sound-permeating holes (9) on the end cover (5) are all provided with countersunk holes, and circular dust-proof nets (12) are fixedly installed in the four groups of countersunk holes. The four groups of drainage grooves (11) on the outer wall of the end cover (5) are all fixedly installed with arc-shaped dust-proof nets (13).

3. A waterproof buzzer as claimed in claim 2, characterized in that: A fixing bolt (14) is screwed in the middle of the top of the frustum air deflector (8), and a threaded hole is provided in the middle of the top of the inside of the end cover (5). The frustum air deflector (8) is detachably fixedly mounted on the top of the inside of the end cover (5) through the cooperation of the fixing bolt (14) and the threaded hole.

4. A waterproof buzzer as claimed in claim 3, characterized in that: An annular inner sealing gasket (15) is fixedly connected to the bottom end of the frustum-shaped air guide cover (8).

5. A waterproof buzzer as claimed in claim 4, characterized in that: An annular outer sealing gasket (16) is fixedly connected to the top end of the retaining ring (4).

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