CN213527211U

CN213527211U - Single-tank air feeder

Info

Publication number: CN213527211U
Application number: CN202022009524.0U
Authority: CN
Inventors: 蔡小航; 谢晓泽; 曹鑫彪; 袁雨琛
Original assignee: Shenzhen Sanvol Technology Co ltd
Current assignee: Shenzhen Sanvol Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-25
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a single-tank air feeder, including face-piece and drain pan that mutually support, face-piece sealing connection is on the drain pan, be equipped with the seal chamber between face-piece and the drain pan, sealing connection has the fan mounting panel between face-piece and the drain pan, the fan mounting panel separates the seal chamber into wind cavity and installation cavity, be equipped with air intake and supply-air outlet communicated with wind cavity respectively on the face-piece, be equipped with the fan blade and drive the motor that the fan blade rotated in the wind cavity, be equipped with control circuit board and the battery that is used for supplying power in the installation cavity, motor and control circuit board electric connection, be equipped with the wind cavity sealing washer between face-piece and the fan mounting panel, the inboard sealing connection of face-piece still has the switch board with control; through with drain pan and face-piece sealing connection to set up the fan mounting panel between drain pan and face-piece, the fan mounting panel separates into wind chamber and installation cavity with the seal chamber, can improve the waterproof performance of air-supply blower, can be normal and the longer use under moist environment.

Description

Single-tank air feeder

[ technical field ] A method for producing a semiconductor device

The utility model relates to a personal protection equips technical field, specifically is a single jar type air feeder.

[ background of the invention ]

For a gas mask and a personal protection system used in a severe environment, in order to reduce the breathing resistance of a wearer after wearing the gas mask and improve the comfort of the wearer, an active air supply device is generally added; the existing active air supply device cannot achieve comprehensive waterproof performance and is difficult to use normally and for a long time in a humid environment.

The utility model discloses it is not enough to solve prior art and research and propose promptly.

[ Utility model ] content

For solving the technical problem, the utility model discloses a single-tank type air feeder, including face-piece and the drain pan of mutually supporting, face-piece sealing connection on the drain pan, face-piece and drain pan between be equipped with sealed chamber, sealing connection has the fan mounting panel between face-piece and the drain pan, the fan mounting panel separate into wind chamber and installation cavity with sealed chamber, the face-piece on be equipped with respectively with communicating air intake and supply-air outlet in wind chamber, the wind intracavity be equipped with fan blade and drive fan blade pivoted motor, the installation cavity in be equipped with control circuit board and be used for the battery of power supply, motor and control circuit board electric connection, face-piece and fan mounting panel between be equipped with the wind chamber sealing washer, the face-piece inboard still sealing connection have with control circuit board electric connection's switch board.

According to the single-tank type air blower, the outer side of the air supply opening is provided with the external thread.

According to the single-tank air blower, the inner side of the air inlet is provided with the internal thread, the lower end of the internal thread is provided with the step, and the step is provided with the air inlet sealing ring.

According to the single-tank air blower, the bottom shell is provided with the charging connector, the charging connector is electrically connected with the control circuit board, the bottom shell is provided with the charging hole corresponding to the charging connector, and the outer side of the bottom shell is connected with the charging socket sealing cover used for sealing the charging hole.

According to the single-tank air blower, the charging socket sealing cover is provided with the sealing cover connecting portion used for connecting the charging socket sealing cover to the bottom shell, the charging socket sealing cover is provided with the sealing head used for being plugged into the charging hole, and the sealing head is annular.

According to the single-pot type air blower, the outer end of the sealing head is provided with the chamfered edge.

According to the single-tank air blower, the control circuit board is provided with the three indicator lamps, and the bottom shell is connected with the light guide columns in a sealing mode, wherein the light guide columns are used for guiding light emitted by the indicator lamps to the outer side of the bottom shell.

In the above single-pot blower, the edge of the bottom shell is provided with a protrusion which is in sealing fit with the side edge of the face shell.

According to the single-tank air feeder, the side edge of the face shell is provided with the pressing hole, the sealing cushion block is arranged between the switch board and the face shell, the sealing cushion block is provided with the circular pressing part embedded into the pressing hole, and the circular pressing part is right opposite to the key on the switch board.

In the above single-pot type blower, the base casing is detachably connected with a belt buckle.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses a through with drain pan and face shell sealing connection to set up the fan mounting panel between drain pan and face shell, the fan mounting panel separates into wind chamber and installation cavity with seal chamber 1, and wherein motor and fan leaf are installed in the wind chamber, and control circuit board, battery and switch board are installed in the installation cavity, are equipped with the wind chamber sealing washer between face shell and fan mounting panel, adopt this kind of design can improve the waterproof performance of air-supply blower, can be normal and the long time use under moist environment.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front schematic structural view of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a schematic structural view of the side of the present invention;

fig. 5 is a schematic structural view of the back side of the present invention;

fig. 6 is an exploded view of the present invention.

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the single-tank type blower of the present embodiment includes a face housing 1 and a bottom housing 2 which are fitted to each other, the face shell 1 is connected with the bottom shell 2 in a sealing way, a sealing cavity 100 is arranged between the face shell 1 and the bottom shell 2, a fan mounting plate 3 is hermetically connected between the face shell 1 and the bottom shell 2, the fan mounting plate 3 divides the sealed cavity 100 into an air cavity 101 and a mounting cavity 102, the face shell 1 is provided with an air inlet 11 and an air outlet 12 which are respectively communicated with the air cavity 101, the wind cavity 101 is internally provided with a fan blade 4 and a motor 5 for driving the fan blade 4 to rotate, the mounting cavity 102 is internally provided with a control circuit board 6 and a battery 7 for supplying power, the motor 5 is electrically connected with the control circuit board 6, an air cavity sealing ring 8 is arranged between the surface shell 1 and the fan mounting plate 3, the inner side of the face shell 1 is also hermetically connected with a switch board 9 which is electrically connected with the control circuit board 6. The utility model discloses a through with drain pan and face shell sealing connection to set up the fan mounting panel between drain pan and face shell, the fan mounting panel separates into wind chamber and installation cavity with seal chamber 1, and wherein motor and fan leaf are installed in the wind chamber, and control circuit board, battery and switch board are installed in the installation cavity, are equipped with the wind chamber sealing washer between face shell and fan mounting panel, adopt this kind of design can improve the waterproof performance of air-supply blower, can be normal and the long time use under moist environment.

In order to facilitate the connection between the air supply outlet and the joint of the air duct of the gas mask and the air supply outlet, an external thread 121 is arranged on the outer side of the air supply outlet 12.

In order to facilitate the canister to be mounted on the air inlet of the air blower, the inner side of the air inlet 11 is provided with an internal thread 111, and in order to improve the sealing performance, the lower end of the internal thread 111 is provided with a step 112, and the step 112 is provided with an air inlet sealing ring 115.

In this embodiment, a charging connector 21 is disposed on the bottom case 2, the charging connector 21 is electrically connected to the control circuit board 6, a charging hole 22 corresponding to the charging connector 21 is disposed on the bottom case 2, and a charging socket sealing cover 23 for sealing the charging hole 22 is connected to the outer side of the bottom case 2 to improve the waterproof performance; the sealed lid 23 of charging socket is equipped with and is used for the sealed lid connecting portion 231 of connecting the sealed lid 23 of charging socket on drain pan 2, the sealed lid 23 of charging socket on be equipped with and be used for filling in the sealed head 232 of charging hole 22, sealed head 232 be the annular, sealed head 232 is the annular and slightly bigger than charging hole 22, after sealed head 232 card goes into charging hole 22, sealed head under the effect of self elasticity, with the hole 22 in close contact with that charges, can improve sealing performance.

In order to facilitate the insertion of the sealing head into the charging hole, the outer end of the sealing head 232 is provided with a chamfered edge.

In this implementation, in order to facilitate the operator to know the operating condition of air feeder and the electric quantity of battery, be equipped with three pilot lamp on control circuit board 6, drain pan 2 on sealing connection have and be used for sending the light guide that the pilot lamp sent to the leaded light post 62 of drain pan 2 outside.

In order to improve the sealing performance between the bottom shell and the face shell, a protrusion 25 is provided at the edge of the bottom shell 2 to be in sealing engagement with the side edge of the face shell 1.

The side of the face shell 1 is provided with a pressing hole 13, a sealing cushion block 91 is arranged between the switch board 9 and the face shell 1, a circular pressing part 911 embedded into the pressing hole 13 is arranged on the sealing cushion block 91, and the circular pressing part 911 is opposite to a key on the switch board 9.

In order to facilitate the wearing of the blower at the waist, a belt buckle 26 is detachably connected to the bottom case 2, and if necessary, the belt buckle may be inserted into the bottom case for use, and if not, the belt buckle may be removed for direct use.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The single-tank air feeder is characterized by comprising a face shell (1) and a bottom shell (2) which are matched with each other, wherein the face shell (1) is connected to the bottom shell (2) in a sealing manner, a sealing cavity (100) is formed between the face shell (1) and the bottom shell (2), a fan mounting plate (3) is connected between the face shell (1) and the bottom shell (2) in a sealing manner, the fan mounting plate (3) divides the sealing cavity (100) into an air cavity (101) and a mounting cavity (102), an air inlet (11) and an air outlet (12) which are communicated with the air cavity (101) are formed in the face shell (1), a motor (5) provided with a fan blade (4) and a motor driving the fan blade (4) to rotate is arranged in the air cavity (101), a control circuit board (6) and a battery (7) used for supplying power are arranged in the mounting cavity (102), and the motor (5) is electrically connected with the control circuit board (6), the fan is characterized in that an air cavity sealing ring (8) is arranged between the face shell (1) and the fan mounting plate (3), and a switch plate (9) electrically connected with the control circuit board (6) is further connected to the inner side of the face shell (1) in a sealing mode.

2. A single-pot type air blower according to claim 1, wherein the outside of the air blowing port (12) is provided with an external thread (121).

3. The single-can type blower according to claim 2, wherein the inside of the inlet (11) is provided with an internal thread (111), the lower end of the internal thread (111) is provided with a step (112), and the step (112) is provided with an inlet sealing ring (115).

4. The single-tank type air blower according to claim 1, wherein a charging connector (21) is provided on the bottom casing (2), the charging connector (21) is electrically connected to the control circuit board (6), a charging hole (22) corresponding to the charging connector (21) is provided on the bottom casing (2), and a charging socket sealing cover (23) for sealing the charging hole (22) is connected to an outer side of the bottom casing (2).

5. The single-tank type blower according to claim 4, wherein the charging inlet sealing cover (23) is provided with a sealing cover coupling portion (231) for coupling the charging inlet sealing cover (23) to the base casing (2), the charging inlet sealing cover (23) is provided with a sealing head (232) for being inserted into the charging hole (22), and the sealing head (232) is ring-shaped.

6. A single-pot blower according to claim 5, characterised in that the outer end of the sealing head (232) is provided with a chamfered edge.

7. The single-tank type air blower according to claim 1, wherein three indicating lamps are provided on the control circuit board (6), and a light guide post (62) for guiding light emitted from the indicating lamps to the outside of the bottom tank (2) is hermetically connected to the bottom tank (2).

8. A single-tank blower, according to claim 1, characterized in that the edge of said bottom shell (2) is provided with projections (25) which sealingly engage the sides of the face shell (1).

9. The single-tank type air blower according to claim 1, wherein a pressing hole (13) is formed in a side edge of the face casing (1), a sealing cushion block (91) is arranged between the switch board (9) and the face casing (1), a circular pressing portion (911) embedded into the pressing hole (13) is arranged on the sealing cushion block (91), and the circular pressing portion (911) is opposite to a key on the switch board (9).

10. A single-tank blower, according to claim 1, characterised in that said bottom shell (2) is removably associated with a belt buckle (26).