CN217335838U

CN217335838U - Waterproof construction of adapter

Info

Publication number: CN217335838U
Application number: CN202221380317.9U
Authority: CN
Inventors: 章建丰; 姚国祥; 姚韵均
Original assignee: NINGBO SHUNYUN ELECTRONIC CO Ltd
Current assignee: NINGBO SHUNYUN ELECTRONIC CO Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-30
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a waterproof construction of adapter, wherein the adapter includes casing, lid and PCB board subassembly. The shell is detachably connected with the cover body, the PCB assembly is installed between the shell and the cover body, the waterproof structure comprises a cover brim, a first fence and a sealing ring, the cover brim is arranged at the outer contour of the cover body, and the cover brim is arranged towards the shell; the first fence is arranged in the cover body, and the sealing ring is arranged between the first fence and the cover brim; the shell comprises a flat plate part and a second rail, and when the shell is connected with the cover body, the second rail is positioned between the cover brim and the first rail. An object of the utility model is to provide a waterproof construction of adapter, waterproof construction makes the adapter have better waterproof nature.

Description

Waterproof construction of adapter

Technical Field

The utility model relates to a pickup technical field especially relates to a waterproof construction of pickup.

Background

The sound pickup is also called a listening head. The monitoring sound pick-up is a device used for collecting the sound of the site environment and then transmitting the sound to the back-end equipment, and is composed of a microphone and an audio amplification circuit, the sound pick-up is generally divided into a digital sound pick-up and an analog sound pick-up, and the digital sound pick-up is the sound sensing equipment which converts the analog audio signal into a digital signal through a digital signal processing system and carries out corresponding digital signal processing.

The existing pickup has poor waterproof performance and is difficult to avoid being affected with damp and having faults after being used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof construction of adapter, it has better waterproof nature.

In order to achieve the above object, the basic scheme of the present invention is as follows:

a waterproof structure of a pickup comprises a shell, a cover body and a PCB (printed circuit board) assembly, wherein the shell and the cover body are detachably connected, the PCB assembly is installed between the shell and the cover body, the waterproof structure comprises a cover brim, a first fence and a sealing ring, the cover brim is arranged at the outer contour of the cover body, and the cover brim is arranged towards the shell; the first rail is arranged in the cover body, and the sealing ring is arranged between the first rail and the cover brim; the shell comprises a flat plate part and a second rail, and when the shell is connected with the cover body, the second rail is located between the cover brim and the first rail.

Compare in the waterproof construction of this application of prior art has following beneficial effect:

the utility model provides a waterproof structure of adapter sets up eaves, first rail, sealing washer and second rail, and after casing and lid are connected, the second rail of casing is pegged graft between eaves and the first rail, and the sealing washer sets up between first rail and the eaves. This application has formed good sealed effect through setting up eaves, first rail, sealing washer and second rail, and external moisture gets into the inside clearance that need pass through eaves and first rail of casing, and is provided with sealing washer and second rail in the clearance again, has blockked the most water that gets into the casing through the clearance.

Preferably, the PCB assembly comprises a PCB body, a microphone element and a sound-proof cover, wherein the microphone element is arranged on the PCB body, and the sound-proof cover is arranged on the microphone element.

Preferably, the cover body is provided with a top post corresponding to the sound-proof housing, and the top post is arranged to abut against the sound-proof housing after the shell and the cover body are connected.

Preferably, the housing is internally provided with a positioning column, and the PCB body is correspondingly provided with a positioning hole.

Has the advantages that: the positioning columns and the positioning holes are arranged to be beneficial to improving the assembly efficiency of the PCB body and the shell.

Preferably, a rubber pad is arranged between the PCB body and the shell, sound pickup holes are formed in the positions, corresponding to the microphone elements, of the PCB body, the rubber pad and the shell, and gauze is arranged on the sound pickup holes of the PCB body.

Preferably, the sound pickup hole of the shell is provided with a waterproof rib, and the waterproof rib is of an annular convex structure.

Has the advantages that: the contact surface of bottom surface PCB board body and casing is separated with the rubber pad, and the rubber pad can absorb the power to PCB board body when the adapter vibrations.

Preferably, the aperture of the sound pickup hole on the shell is gradually increased from inside to outside.

Has the advantages that: the arrangement can increase the sound-collecting hole to absorb sound waves, and is favorable for the microphone element to identify the sound waves.

Preferably, a screw column is arranged in the shell, and the shell is connected with the cover body through screws.

Drawings

Fig. 1 is a schematic structural diagram of a sound pickup provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a sound pickup according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cover body according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a sound pickup according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the sound-collecting device comprises a shell 1, a cover body 2, a cover brim 3, a first rail 4, a sealing ring 5, a flat plate part 6, a second rail 7, a PCB body 8, a microphone element 9, a sound-insulating cover 10, a top column 11, a positioning column 12, a positioning hole 13, a rubber pad 14, a sound-collecting hole 15, a waterproof rib 16, a screw column 17 and gauze 18.

As shown in fig. 1 to 5, this embodiment shows a waterproof structure of a sound pickup, in which the sound pickup includes a housing 1, a cover 2, and a PCB board assembly. The shell 1 and the cover body 2 are detachably connected, the PCB assembly is installed between the shell 1 and the cover body 2, the waterproof structure comprises a cover brim 3, a first fence 4 and a sealing ring 5, the cover brim 3 is arranged at the outer contour of the cover body 2, and the cover brim 3 faces the shell 1; the first rail 4 is arranged in the cover body 2, and the sealing ring 5 is arranged between the first rail 4 and the cover brim 3; the housing 1 comprises a flat plate part 6 and a second rail 7, and when the housing 1 and the cover 2 are connected, the second rail 7 is positioned between the cover brim 3 and the first rail 4.

Specifically, the flat plate portion 6 and the second rail 7 of the housing 1 are integrally formed, and the cover 2, the cover ledge 3 and the first rail 4 are integrally formed.

The waterproof structure of adapter of this embodiment sets up eaves 3, first rail 4, sealing washer 5 and second rail 7, and after casing 1 and lid 2 are connected, casing 1's second rail 7 is pegged graft between eaves 3 and first rail 4, and sealing washer 5 sets up between first rail 4 and eaves 3. This application has formed good sealed effect through setting up eaves 3, first rail 4, sealing washer 5 and second rail 7, and external moisture gets into 1 inside clearance that need pass through eaves 3 and first rail 4 of casing, and is provided with sealing washer 5 and second rail 7 in the clearance again, has blockked most water that gets into casing 1 through the clearance.

Wherein, PCB board subassembly includes PCB body 8, microphone component 9 and sound-proof housing 10, and microphone component 9 sets up on PCB body 8, and sound-proof housing 10 lid is established on microphone component 9.

Specifically, the soundproof cover 10 is attached to the PCB board body 8 by double-sided adhesive, and the soundproof cover 10 covers the microphone element 9.

In order to further fix the PCB assembly, a top pillar 11 is disposed on the cover 2 corresponding to the soundproof cover 10, and after the housing 1 and the cover 2 are connected, the top pillar 11 is disposed against the soundproof cover 10.

In another embodiment, to improve the efficiency of assembling the PCB board with the housing 1. A positioning column 12 is arranged in the casing 1, and a positioning hole 13 is correspondingly arranged on the PCB body 8. When in assembly, the positioning column 12 and the positioning hole 13 can be matched to realize the rapid positioning of the PCB body 8 in the shell 1.

After the PCB body 8 is placed at a designated position, the cover body 2 is covered, so that the top pillar 11 on the cover body 2 is abutted against the sound-proof housing 10, and the top pillar 11 indirectly acts on the PCB body 8 through the sound-proof housing 10 to limit the vibration of the PCB body 8, so that the PCB body 8 is fixed in the shell 1.

Wherein, be provided with rubber pad 14 between PCB body 8 and the casing 1, pick-up hole 15 has all been seted up to the position that corresponds with microphone component 9 on PCB body 8, rubber pad 14 and the casing 1, is provided with gauze 18 on the pick-up hole 15 of PCB body 8. The sound pick-up hole 15 of the shell 1 is provided with a waterproof rib 16, and the waterproof rib 16 is of an annular convex structure.

The sound pickup is required to receive sound waves, and therefore cannot be made into a fully sealed structure. In this embodiment, a gauze of high density such as gauze 032HY is selected and used, and the gauze 18 is adhered to the sound pickup hole 15 of the PCB body 8 by a double-sided adhesive tape.

Set up waterproof muscle 16 on the pickup hole 15 of casing 1, waterproof muscle 16 compresses tightly with rubber pad 14, can effectively prevent that water from getting into casing 1 from the clearance between waterproof muscle 16 and the rubber pad 14, and then improves waterproof performance.

A screw post 17 is arranged in the shell 1, and the shell 1 is in screw connection with the cover body 2. And the PCB assembly is compressed while the screws are locked, so that the whole waterproof effect is realized.

The aperture of the sound pickup hole 15 on the housing 1 is gradually increased from inside to outside, which enlarges the sound pickup hole 15, increases the sound waves received by the sound pickup hole 15, and is beneficial for the microphone element 9 to receive more sound waves.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a waterproof construction of adapter, the adapter includes casing (1), lid (2) and PCB board subassembly, casing (1) with connection can be dismantled to lid (2), the PCB board unit mount in casing (1) with between lid (2), its characterized in that: the waterproof structure comprises a cover brim (3), a first fence (4) and a sealing ring (5), the cover brim (3) is arranged at the outer contour of the cover body (2), and the cover brim (3) is arranged towards the shell (1); the first fence (4) is arranged in the cover body (2), and the sealing ring (5) is arranged between the first fence (4) and the cover brim (3); the shell (1) comprises a flat plate part (6) and a second rail (7), and when the shell (1) and the cover body (2) are connected, the second rail (7) is located between the cover brim (3) and the first rail (4).

2. The waterproof structure of a sound pickup according to claim 1, wherein: PCB board subassembly includes PCB body (8), microphone component (9) and sound-proof housing (10), microphone component (9) set up on PCB body (8), sound-proof housing (10) lid is established on microphone component (9).

3. The waterproof structure of a sound pickup according to claim 2, wherein: the cover body (2) is provided with a top column (11) corresponding to the sound-proof cover (10), and after the shell body (1) and the cover body (2) are connected, the top column (11) is abutted against the sound-proof cover (10).

4. The waterproof structure of a sound pickup according to claim 2, wherein: a positioning column (12) is arranged in the shell (1), and a positioning hole (13) is correspondingly arranged on the PCB body (8).

5. The waterproof structure of a sound pickup according to claim 2, wherein: PCB body (8) with be provided with rubber pad (14) between casing (1), PCB body (8) rubber pad (14) with pick-up hole (15) have all been seted up to casing (1) on with the position that microphone component (9) correspond, be provided with gauze (18) on pick-up hole (15) of PCB body (8).

6. The waterproof structure of a sound pickup according to claim 5, wherein: be provided with waterproof muscle (16) on pickup hole (15) of casing (1), waterproof muscle (16) are annular protruding structure.

7. The waterproof structure of a sound pickup according to claim 5, wherein: the aperture of the sound pickup hole (15) on the shell (1) is gradually increased from inside to outside.

8. The waterproof structure of a sound pickup according to claim 1, wherein: be provided with screw post (17) in casing (1), casing (1) with lid (2) screwed connection.