CN211959476U

CN211959476U - Explosion-proof pickup

Info

Publication number: CN211959476U
Application number: CN202020932912.3U
Authority: CN
Inventors: 杨建东
Original assignee: Zhejiang Juyao Explosion Proof Electric Co ltd
Current assignee: Zhejiang Juyao Explosion Proof Electric Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-17
Anticipated expiration: 2030-05-28

Abstract

The utility model provides an explosion-proof adapter, including explosion-proof drain pan and explosion-proof shell, the inside mounting panel that installs through set screw that passes through of explosion-proof drain pan, install the circuit board through automatic screw on the mounting panel, the inside installation through-hole that is provided with of explosion-proof shell, the inside microphone that is provided with of installation through-hole, the microphone with link to each other through the connecting wire between the circuit board, the lower extreme of explosion-proof drain pan has been seted up the installing port, install gland nut in the installing port, the front end of explosion-proof shell is provided with rain-proof cover, and this device adopts explosion-proof bottom shell seat and explosion-proof shell to replace traditional adapter shell, encapsulates the adapter component inside explosion-proof drain pan and explosion-proof shell, strengthens the explosion-proof; simultaneously, the front side of the pickup is provided with the rain cover, the outer end of the microphone is shielded by the rain cover, and the pickup is dustproof and rainproof, so that the pickup can be installed indoors and outdoors, and the application range of the pickup is enlarged.

Description

Explosion-proof pickup

Technical Field

The utility model belongs to the technical field of the adapter technique and specifically relates to an explosion-proof adapter is related to.

Background

The sound pickup is also called a listening head. The monitoring 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 consists of a microphone and an audio amplification circuit. The sound pickup is generally divided into a digital sound pickup and an analog sound pickup, and the digital sound pickup is a sound sensing apparatus that converts an analog audio signal into a digital signal through a digital signal processing system and performs corresponding digital signal processing. The analog sound pick-up just amplifies the sound collected by the microphone by using a common analog circuit. The sound pickup is divided into a three-wire system and a four-wire system; three-wire system pickups typically have red for the positive power supply, white for the positive audio, and black for the negative signal and power supply (common ground). The four-wire system pickup generally has a red color representing the positive power supply, a white color representing the positive audio power supply, and a negative audio power supply separated from the negative power supply. Pickup products are generally classified into two types, active and passive; according to the performance, a vocal guitar and a monitoring pickup are provided.

The existing sound pick-up is poor in explosion-proof performance, and cannot be sealed at a microphone, so that the sound pick-up does not have dustproof and rainproof functions, can only be installed in dry places such as indoors, cannot be installed in places which are not rainproof such as outdoors, and is narrow in application range.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof adapter to solve traditional adapter explosion-proof performance that proposes in the above-mentioned background art poor, moreover because locate unable sealed in the microphone, and lead to the adapter not to possess dustproof and rain-proof function, can only install the adapter in indoor waiting dry place, can't install in outdoor waiting not rain-proof place, the narrow scheduling problem of application scope.

The technical scheme of the utility model is realized like this:

explosion-proof adapter, including explosion-proof drain pan and explosion-proof shell, explosion-proof shell is half-round structure, and with explosion-proof drain pan corresponds each other, the inside mounting panel of installing through set screw that passes through of explosion-proof drain pan, there is the circuit board through automatic mounting screw on the mounting panel, the inside mounting hole that is provided with of explosion-proof shell, the inside microphone that is provided with of mounting hole, the microphone with link to each other through connecting wire between the circuit board, the installing port has been seted up to the lower extreme of explosion-proof drain pan, install gland nut in the installing port, the front end of explosion-proof shell is provided with rain-proof cover, rain-proof cover pass through mounting screw with explosion-proof drain pan with explosion-proof shell links to.

Preferably, the explosion-proof bottom shell and the explosion-proof shell are provided with a first threaded hole and a second threaded hole which correspond to each other, and the mounting screw is matched with the first threaded hole and the second threaded hole.

Preferably, the rear end of the rain cover is bent downwards to form an extension part, a fixing through hole is formed in the extension part, and the mounting screw penetrates through the second threaded hole, the fixing through hole and the first threaded hole in sequence.

Preferably, the joint surface of the explosion-proof bottom shell and the explosion-proof shell is respectively provided with a positioning strip block and a positioning groove, and the positioning strip block corresponds to the positioning groove.

Preferably, the end of the microphone is provided with a laminated wire mesh.

Preferably, a third threaded hole is formed in the explosion-proof bottom shell, and the fixing screw is in threaded fit with the third threaded hole.

Preferably, the outer side of the compression nut is sleeved with a rubber sealing ring.

Preferably, the rear side of the explosion-proof bottom shell is provided with a nameplate.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the device adopts the explosion-proof bottom shell seat and the explosion-proof shell to replace the traditional sound pick-up shell, and the sound pick-up element is packaged in the explosion-proof bottom shell and the explosion-proof shell, so that the explosion-proof performance of the sound pick-up is enhanced; simultaneously, the front side of the pickup is provided with the rain cover, the outer end of the microphone is shielded by the rain cover, and the pickup is dustproof and rainproof, so that the pickup can be installed indoors and outdoors, and the application range of the pickup is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a rear view of the present invention.

Wherein:

1. an explosion-proof bottom shell; 101. positioning the bar block; 102. a first threaded hole; 103. an installation port; 104. a third threaded hole; 2. an explosion-proof housing; 201. positioning a groove; 202. mounting a through hole; 203. a second threaded hole; 3. mounting a plate; 4. a set screw; 5. a circuit board; 6. connecting an electric wire; 7. a self-tapping screw; 8. a microphone; 801. laminating the silk screens; 9. a rain cover; 10. mounting screws; 11. a compression nut; 12. a rubber seal ring; 13. a nameplate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, explosion-proof adapter, including explosion-proof drain pan 1 and explosion-proof shell 2, explosion-proof shell 2 is the hemisphere structure, and correspond to explosion-proof drain pan 1 each other, explosion-proof drain pan 1 is inside installs mounting panel 3 through set screw 4, install circuit board 5 through automatic screw on the mounting panel 3, explosion-proof shell 2 is inside to be provided with mounting hole 202, the inside microphone 8 that is provided with of mounting hole 202, link to each other through connecting wire 6 between microphone 8 and the circuit board 5, mounting hole 103 has been seted up to the lower extreme of explosion-proof drain pan 1, install gland nut 11 in the mounting hole 103, the front end of explosion-proof shell 2 is provided with rain-proof cover 9, rain-proof cover 9 links to each other with explosion-proof drain pan 1 and explosion-.

Specifically, the explosion-proof bottom shell 1 and the explosion-proof shell 2 are provided with a first threaded hole 102 and a second threaded hole 203 which correspond to each other, and the mounting screw 10 is matched with the first threaded hole 102 and the second threaded hole 203; with such an arrangement, the explosion-proof bottom shell 1 and the explosion-proof shell 2 can be firmly fixed together through the cooperation of the mounting screws 10 with the first threaded holes 102 and the second threaded holes 203.

Specifically, the rear end of the rain cover 9 is bent downward to form an extension portion, a fixing through hole is formed in the extension portion, and the mounting screw 10 sequentially penetrates through the second threaded hole 203, the fixing through hole and the first threaded hole 102; so set up, through the cooperation of the first screw hole 102 of mounting screw 10, fixing through hole and second screw hole 203, can be with the firm front side of fixing at explosion-proof housing 2 of rain-proof cover 9.

Specifically, the joint surfaces of the explosion-proof bottom shell 1 and the explosion-proof shell 2 are respectively provided with a positioning bar 101 and a positioning groove 201, and the positioning bar 101 and the positioning groove 201 correspond to each other; through the linking between location strip piece 101 and the constant head tank 201 fixed, can be accurate fix a position explosion-proof drain pan 1 and explosion-proof shell 2, make its accurate alignment together, prevent simultaneously that explosion-proof drain pan 1 and explosion-proof shell 2 from taking place the dislocation.

Specifically, the end portion of the microphone 8 is provided with a laminated wire mesh 801, and dust in the air is prevented from entering the inside of the microphone 8 by the provision of the laminated wire mesh 801.

Specifically, the inside of explosion-proof drain pan 1 is provided with third screw hole 104, and set screw 4 and third screw hole 104 screw-thread fit, so set up, through the cooperation of set screw 4 and third screw hole 104, conveniently fix the inside at explosion-proof drain pan 1 with mounting panel 3.

Specifically, the outside cover of gland nut 11 has rubber seal 12, increases the sealed effect between gland nut 11 and installing port 103 through setting up rubber seal 12, avoids outside hazardous gas to get into inside the adapter from the gap between installing port 103 and gland nut 11.

Specifically, the rear side of the explosion-proof bottom shell 1 is provided with a nameplate 13, so that the nameplate 13 can be engraved with product descriptions or advertising.

The working principle is as follows:

the device adopts the explosion-proof bottom shell 1 seat and the explosion-proof shell 2 to replace the traditional sound pick-up shell, and sound pick-up elements are encapsulated inside the explosion-proof bottom shell 1 and the explosion-proof shell 2, so that the explosion-proof performance of the sound pick-up is enhanced; simultaneously, the front side of the pickup is provided with the rain cover 9, the outer end of the microphone 8 is shielded by the rain cover 9, and the pickup is dustproof and rainproof, so that the pickup can be installed indoors and outdoors, and the application range of the pickup is enlarged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Explosion-proof adapter, its characterized in that: comprises an explosion-proof bottom shell (1) and an explosion-proof shell (2), wherein the explosion-proof shell (2) is of a semi-sphere structure, and is mutually corresponding to the explosion-proof bottom shell (1), the interior of the explosion-proof bottom shell (1) is provided with a mounting plate (3) through a fixing screw (4), a circuit board (5) is arranged on the mounting plate (3) through an automatic screw, a mounting through hole (202) is arranged in the explosion-proof shell (2), a microphone (8) is arranged in the mounting through hole (202), the microphone (8) is connected with the circuit board (5) through a connecting wire (6), the lower end of the explosion-proof bottom shell (1) is provided with a mounting opening (103), a compression nut (11) is arranged in the mounting opening (103), the front end of the explosion-proof shell (2) is provided with a rain cover (9), and the rain cover (9) is connected with the explosion-proof bottom shell (1) and the explosion-proof shell (2) through mounting screws (10).

2. The explosion-proof sound pickup according to claim 1, characterized in that: the explosion-proof bottom shell (1) and the explosion-proof shell (2) are provided with a first threaded hole (102) and a second threaded hole (203) which correspond to each other, and the mounting screw (10) is matched with the first threaded hole (102) and the second threaded hole (203).

3. The explosion-proof microphone of claim 2, wherein: the rear end of the rain cover (9) is bent downwards to form an extending part, a fixing through hole is formed in the extending part, and the mounting screw (10) sequentially penetrates through the second threaded hole (203), the fixing through hole and the first threaded hole (102).

4. The explosion-proof sound pickup according to claim 1, characterized in that: the joint surface of the explosion-proof bottom shell (1) and the explosion-proof shell (2) is respectively provided with a positioning strip block (101) and a positioning groove (201), and the positioning strip block (101) corresponds to the positioning groove (201).

5. The explosion-proof sound pickup according to claim 1, characterized in that: the end of the microphone (8) is provided with a laminated wire mesh (801).

6. The explosion-proof sound pickup according to claim 1, characterized in that: and a third threaded hole (104) is formed in the explosion-proof bottom shell (1), and the fixing screw (4) is in threaded fit with the third threaded hole (104).

7. The explosion-proof sound pickup according to claim 1, characterized in that: and a rubber sealing ring (12) is sleeved on the outer side of the compression nut (11).

8. The explosion-proof sound pickup according to claim 1, characterized in that: and a nameplate (13) is arranged on the rear side of the explosion-proof bottom shell (1).