CN214366804U

CN214366804U - Electric protection ventilating fan

Info

Publication number: CN214366804U
Application number: CN202022988815.9U
Authority: CN
Inventors: 刘先鑫
Original assignee: Shenzhen Cheng Gunda Electronic Technology Co ltd
Current assignee: Shenzhen Cheng Gunda Electronic Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-08
Anticipated expiration: 2030-12-11

Abstract

An electric protection ventilating fan relates to the technical field of protective articles. It includes: the shell is detachably assembled with an external protective article, the external protective article is provided with a gas exchange port, and the shell is provided with an air inlet and an air outlet; the air inlet port is detachably assembled with the air inlet of the shell; the ventilation structure is arranged in the shell and fixedly arranged on the inner wall of the shell, and is used for exhausting gas in the protective articles outwards; the control assembly is arranged in the shell and positioned between the ventilation structure and the inner wall of the shell, is connected with the ventilation structure and is used for controlling the opening and closing of the ventilation structure; and the rechargeable power supply is connected with the control assembly and supplies power to the control assembly and the ventilation structure. Adopt above-mentioned technical scheme's electric protective clothing ventilating fan has that the ventilation effect is good, design benefit, easy dismounting, convenient to carry, advantage that gas filtration effect is good.

Description

Electric protection ventilating fan

Technical Field

The utility model relates to a protective articles for use technical field, concretely relates to electronic protection ventilation fan.

Background

The protective clothing and the protective mask need to be worn in a special working period or a special working task and are used for protecting the protective clothing and the protective mask from being damaged. In the prior art, most protective clothes or protective masks are airtight when in use. In particular to medical protective clothing used for isolating germs, harmful ultrafine dust, acid solution, salt solution and the like in medical environment.

Most of the existing protective clothing is made of materials with poor air permeability, such as PP non-woven fabric materials and the like. Wearing such protective clothing for a long time easily leads to wearing personnel to sweat in a large number, causes its physical power to run off in a large number, because the protective clothing is not convenient for drink water after wearing, just so further makes the wearer of a large amount of sweat unable to get moisture supply for a long time, easily leads to tired out, can lead to the prostration when serious. Therefore, the protection device which can realize the ventilation inside the protection suit and can prevent external air from entering the protection suit needs to be excavated urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide an electronic protection ventilating fan, detachable assembly between its and the protective articles, the power supply through inside setting drives the flabellum and rotates, protective articles inside air gets into from the air inlet port, again by the air intake, the through-hole, rectangular hole to air outlet discharge, thereby realize the circulation of protective clothing inside air, the electronic protective clothing ventilating fan that sets up like this has ventilation effect good, design benefit, easy dismounting, high durability and convenient carrying, the good advantage of gas filtration effect.

In order to achieve the above object, the utility model adopts the following technical scheme: an electrically powered protective ventilation fan comprising: the air conditioner comprises a shell, a fan and a controller, wherein the shell is detachably assembled with an external protective article, the external protective article is provided with an air exchange port, and the shell is provided with an air inlet and an air outlet; the air inlet port is detachably assembled with the air inlet of the shell; the ventilation structure is arranged in the shell and fixedly mounted on the inner wall of the shell, and is used for exhausting gas in the protective articles outwards so as to realize ventilation or exhaust in the protective articles; the control assembly is arranged in the shell and positioned between the ventilation structure and the inner wall of the shell, is connected with the ventilation structure and is used for controlling the opening and closing of the ventilation structure; and the rechargeable power supply is connected with the control assembly and supplies power to the control assembly and the ventilation structure.

Further, the housing includes: the air conditioner comprises a bottom cover, a first clamping block is convexly arranged on the inner side wall of the bottom cover, an air outlet notch is formed in one side of the bottom cover, an installation cavity is formed in the bottom cover, and the control assembly is arranged in the installation cavity; and the top cover is provided with a clamping groove part matched with the first clamping block, the clamping groove part is integrally formed with the top cover, the air inlet is formed in the top cover, and the top cover is used for combining with the air outlet notch to form an air outlet.

Further, the ventilation structure includes: the air outlet structure comprises a frame body, wherein a cavity is formed in the frame body, a hollow mounting column is arranged in the center of the bottom of the cavity, a U-shaped notch is formed in one side of the frame body, and the U-shaped notch corresponds to the air outlet; the cover body is clamped and assembled with the frame body, a through hole communicated with the cavity is formed in the cover body, the through hole is arranged corresponding to the air inlet, and the cover body and the U-shaped notch are combined to form a rectangular hole; the main body of the power source is fixedly arranged in a hollow cavity of the hollow mounting column, and a power output shaft of the power source protrudes out of the hollow cavity and extends along the axial direction of the hollow mounting column; and the fan blades are fixedly arranged on the power output shaft of the power source, and can move synchronously along with the power output shaft so as to drive gas in the protective articles to enter from the through holes and be discharged from the rectangular holes.

Further, when the top cover is assembled with the bottom cover in a clamping mode, the ventilation structure is tightly pressed and fixed between the top cover and the bottom cover, an elastic protection piece is arranged between the cover body and the top cover, and the elastic protection piece is sleeved on the cover body.

Further, it is equipped with the baffle to rotate on the bottom cover, the baffle is located rectangle hole department, and is used for realizing opening or closing of rectangle hole, the baffle is used for preventing outside dust from rectangle hole entering inside the protective articles.

Further, the inlet port includes: the port fixing piece is detachably assembled with the shell, and a vent hole communicated with the air outlet is formed in the port fixing piece; and the support piece is clamped and assembled with the port fixing piece, a ventilation opening is formed in the support piece, and the support piece is used for keeping a gap between the inner wall of the protective article and a human body.

Furthermore, the air inlet protrudes out of the outer side wall of the shell, and a rotary clamping groove is formed in the outer side wall; an installation part is arranged on one side, close to the shell, of the port fixing piece, and a rotary clamping block is arranged on the installation part; the rotary clamping block is connected with the rotary clamping groove in a rotary clamping mode, so that the port fixing piece and the shell can be assembled in a detachable mode.

Furthermore, a clamping table is convexly arranged on one side, close to the supporting piece, of the port fixing piece, and a clamping groove is formed in the side wall of the clamping table; the supporting piece is assembled with the clamping table in an inserting mode, and a second clamping block is arranged on the inner side wall of the side of the supporting piece; and the second fixture block is assembled with the clamping groove in a clamping manner so as to realize the clamping assembly between the support piece and the port fixing piece.

Further, the bottom protrusion of installation cavity is provided with the screw thread post, control assembly includes: the control circuit board is inserted on the threaded column and fixedly installed in the installation cavity through the assembly of a fastening screw and the threaded column; the gear control switch is arranged on the control circuit board; the power supply starting switch is arranged on the control circuit board; and the charging port is arranged on the control circuit board.

Further, the protective articles are any one of protective clothing, protective masks and protective face masks.

After the technical scheme is adopted, the utility model discloses beneficial effect does: when using this electronic protection ventilating fan, earlier through operation power supply starting switch, make this ventilating fan be in operating condition, then control gear control switch, the gear of adjustment ventilating fan, at this moment, the flabellum is initiative under the drive in the power supply, make the inside air of protective articles for use get into the ventilating fan from the air inlet port, again via the ventilation hole, the through-hole enters into the installation cavity in, then the flabellum lasts the rotation, the baffle that the air drive rectangular hole that gets into in the installation cavity goes out rotates, and in being discharged protective articles for use by the air outlet behind the rectangular hole, continuous rotation is passed through the flabellum like this, make inside gas of protective clothing and outside gaseous realization intercommunication, the inside circulation of air of protective clothing has been guaranteed. In addition, through the support piece that sets up for remain gapped all the time between the inside of protective clothing and the human body, and then guaranteed the speed that the inside air of protective clothing got into the vent. The ventilating fan adopting the technical scheme has the advantages of good ventilating effect, ingenious design, convenience in disassembly and assembly, convenience in carrying and good gas filtering effect.

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 first overall structure diagram of the present embodiment;

FIG. 2 is a second overall structure diagram of the present embodiment;

FIG. 3 is a first exploded view of the present embodiment;

FIG. 4 is a second exploded view of the present embodiment;

fig. 5 is an exploded view of the ventilation structure of the present embodiment.

Description of reference numerals: 100. a housing; 101. an air inlet; 102. an air outlet; 103. an air outlet notch; 104. a mounting cavity; 110. a bottom cover; 111. a first clamping block; 112. a baffle plate; 120. a top cover; 121. a slot clamping part; 200. an air inlet port; 201. a vent hole; 202. a vent; 203. rotating the clamping groove; 204. a clamping groove; 210. a port fixture; 211. an installation part; 212. rotating the fixture block; 213. a clamping table; 220. A support member; 221. a second fixture block; 300. a ventilation structure; 301. a U-shaped notch; 302. a through hole; 310. A frame body; 311. a hollow mounting post; 320. a cover body; 330. a power source; 340. a fan blade; 350. an elastic protection member; 400. a control component; 410. a control circuit board; 420. a gear control switch; 430. a power supply start switch; 440. a charging port; 500. the power supply can be charged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.

The present embodiment relates to an electric protection ventilation fan, as shown in fig. 1 to 5, comprising: housing 100, intake port 200, ventilation structure 300, control assembly 400, and rechargeable power supply 500.

Specifically, the housing 100 is detachably assembled with an external protective device, and the external protective device has a gas exchange port. The housing 100 is provided with an air inlet 101 and an air outlet 102. The intake port 200 is detachably assembled with the intake port 101 of the housing 100. The ventilation structure 300 is disposed in the casing 100 and is fixedly mounted on the inner wall of the casing 100. The ventilation structure 300 is used for exhausting the gas inside the protective product to the outside so as to ventilate or exhaust the inside of the protective product. The control assembly 400 is disposed in the housing 100 and between the ventilation structure 300 and the inner wall of the housing 100. The control assembly 400 is connected to the ventilation structure 300 and is used for controlling the opening and closing of the ventilation structure 300. The rechargeable power source 500 is connected to the control assembly 400 and supplies power to the control assembly 400 and the ventilation structure 300.

It should be noted that the protective articles include protective clothing, protective mask, protective face mask, and the like, and the protective articles in this embodiment are protective clothing. The protective clothing is provided with a gas exchange port, and the gas exchange port is provided with a filtering structure. The gas exchange port is mainly used for providing air for the interior of the protective clothing to enter and further forming circulation with air exhausted by the ventilating fan. The rechargeable power supply 500 is a lithium battery.

Further, as shown in fig. 1 to 5, the housing 100 includes: a bottom cover 110 and a top cover 120. Wherein, a first latch 111 is convexly disposed on the inner sidewall of the bottom cover 110. And one side of bottom cover 110 is provided with air-out breach 103, and middle part position department is provided with installation cavity 104. The mounting cavity 104 is primarily used for mounting the control assembly 400. The top cover 120 is provided with a slot portion 121 adapted to the first latch 111, and the slot portion 121 is integrally formed with the top cover 120. The air inlet 101 is disposed on the top cover 120, and the top cover 120 is used for combining with the air outlet gap 103 to form the air outlet 102. In this embodiment, the rechargeable power supply 500 is fixedly mounted on the bottom cover 110 at a side away from the air outlet 102, and the rechargeable power supply 500 is fixed by pressing.

Further, as shown in fig. 1 to 5, the ventilation structure 300 includes: frame 310, cover 320, power source 330, and fan blades 340. Specifically, a cavity is formed in the frame 310, and a hollow mounting post 311 is disposed at a central position of a bottom of the cavity. One side of the frame body 310 is provided with a U-shaped notch 301, and the U-shaped notch 301 is arranged corresponding to the air outlet 102. The cover 320 and the frame 310 are engaged with each other. The cover 320 is provided with a through hole 302 communicated with the cavity, and the through hole 302 is arranged corresponding to the air inlet 101. The cover 320 and the U-shaped notch 301 combine to form a rectangular hole. The main body of the power source 330 is fixedly mounted within the hollow cavity of the hollow mounting post 311. The power output shaft of the power source 330 protrudes out of the hollow cavity and extends in the axial direction of the hollow mounting post 311. In the present embodiment, the power source 330 is a motor. The fan blades 340 are fixedly installed on the power output shaft of the power source 330, and the fan blades 340 can move synchronously with the power output shaft, so that the gas in the protective product is driven to enter from the through hole 302 and be discharged from the rectangular hole.

Preferably, as shown in fig. 1-5, the vent structure 300 is held in compression between the top cover 120 and the bottom cover 110 when the top cover 120 is snap-fit to the bottom cover 110. In order to protect the cover 320 and improve the assembling stability and stability of the ventilation structure 300, an elastic protection member 350 is disposed between the cover 320 and the top cover 120, and the elastic protection member 350 is sleeved on the cover 320.

Preferably, as shown in fig. 1 to 5, the bottom cover 110 is rotatably assembled with a baffle 112, the baffle 112 is located at the rectangular hole and is used for opening or closing the rectangular hole, and the baffle 112 is used for preventing external dust from entering the interior of the protective product from the rectangular hole.

Further, as shown in fig. 1-5, the intake port 200 includes: port fixture 210 and support 220. The port fixing member 210 is detachably assembled with the housing 100, and a vent hole 201 communicating with the air outlet 102 is formed in the port fixing member 210. The supporting member 220 is assembled with the port fixing member 210 in a clamping manner, the supporting member 220 is provided with the vent 202, and the supporting member 220 is used for keeping a gap between the inner wall of the protective article and a human body, so that the air inlet amount and the air inlet speed of the vent 202 are ensured.

Preferably, as shown in fig. 1 to 5, the air inlet 101 protrudes from an outer side wall of the housing 100, and a rotary slot 203 is disposed on the outer side wall. A mounting portion 211 is provided on the port fixing member 210 at a side close to the housing 100, and a rotation latch 212 is provided on the mounting portion 211. The rotary latch 212 is rotatably engaged with the rotary latch slot 203 to realize the detachable assembly between the port holder 210 and the housing 100.

Preferably, as shown in fig. 1-5, a clamping table 213 is protruded from the port fixing element 210 on a side close to the supporting element 220, and a clamping groove 204 is formed on a side wall of the clamping table 213. The supporting member 220 is assembled with the clamping table 213 in an inserting manner, and a second latch 221 is disposed on an inner side wall of the supporting member 220. The second latch 221 is snap-fitted into the snap groove 204 to achieve the snap-fit between the supporting member 220 and the port fixing member 210.

Further, as shown in fig. 1 to 5, the bottom of the mounting cavity 104 is provided with a threaded post in a protruding manner, and the control assembly 400 includes: control circuit board 410, gear control switch 420, power start switch 430 and charging port 440. Specifically, the control circuit board 410 is plugged onto the threaded column, and the control circuit board 410 is fixedly mounted in the mounting cavity 104 by assembling the fastening screw and the threaded column. The gear control switch 420, the power starting switch 430 and the charging port 440 are all disposed on the control circuit board 410.

It is worth noting that a gear control groove, a power supply starting groove and a charging end mounting port are arranged on the inner side wall of the mounting cavity 104. Gear control switch 420, power enable switch 430 and charging port 440 are mounted in the gear control slot, power enable slot and charging port mounting ports, respectively.

The working principle of the present embodiment is roughly as follows: when the electric protection ventilating fan is used, the switch 430 is started through the operation power supply firstly, so that the ventilating fan is in a working state, then the gear control switch 420 is controlled, the gear of the ventilating fan is adjusted, at the moment, the fan blade 340 is driven to be active in the power source 330, so that air inside a protection article enters the ventilating fan from the air inlet port 200, then enters the installation cavity 104 through the vent hole 201 and the through hole 302, then the fan blade 340 continuously rotates, the baffle 112 out of the air driving rectangular hole in the installation cavity 104 rotates, and the air is discharged out of the protection article through the air outlet 102 after passing through the rectangular hole, so that the fan blade 340 continuously rotates, the intercommunication between gas inside the protection garment and gas outside is promoted, and the air circulation inside the protection garment is ensured. In addition, through the support piece 220 that sets up for remain the clearance all the time between the inside of protective clothing and the human body, and then guaranteed the rate that the inside air of protective clothing got into vent 202. The ventilating fan adopting the technical scheme has the advantages of good ventilating effect, ingenious design, convenience in disassembly and assembly, convenience in carrying and good gas filtering effect.

The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An electric protection ventilation fan, comprising:

the protective device comprises a shell (100), wherein the shell (100) is detachably assembled with an external protective article, a gas exchange port is formed in the external protective article, and an air inlet (101) and an air outlet (102) are formed in the shell (100);

the air inlet port (200), the air inlet port (200) and the air inlet (101) of the shell (100) are assembled in a detachable mode;

the ventilation structure (300) is arranged in the shell (100) and is fixedly mounted on the inner wall of the shell (100), and the ventilation structure (300) is used for exhausting gas inside the protective product outwards so as to realize ventilation or exhaust inside the protective product;

the control assembly (400) is arranged in the shell (100) and is positioned between the ventilation structure (300) and the inner wall of the shell (100), the control assembly (400) is connected with the ventilation structure (300), and the control assembly (400) is used for controlling the opening and closing of the ventilation structure (300); and the number of the first and second groups,

a rechargeable power source (500), said rechargeable power source (500) being connected to said control assembly (400) and providing power to said control assembly (400) and said ventilation structure (300).

2. Electrically powered protective ventilation fan according to claim 1, characterized in that the housing (100) comprises: the air conditioner comprises a bottom cover (110), wherein a first clamping block (111) is convexly arranged on the inner side wall of the bottom cover (110), an air outlet notch (103) is arranged on one side of the bottom cover (110), an installation cavity (104) is arranged on the bottom cover (110), and the control assembly (400) is arranged in the installation cavity (104);

and the top cover (120), a clamping groove part (121) matched with the first clamping block (111) is arranged on the top cover (120), the clamping groove part (121) and the top cover (120) are integrally formed, the air inlet (101) is formed in the top cover (120), and the top cover (120) is used for being combined with the air outlet notch (103) to form the air outlet (102).

3. Electrically powered shielded ventilation fan according to claim 2, characterized in that the ventilation structure (300) comprises:

the air conditioner comprises a frame body (310), wherein a cavity is formed in the frame body (310), a hollow mounting column (311) is arranged at the center of the bottom of the cavity, a U-shaped notch (301) is formed in one side of the frame body (310), and the U-shaped notch (301) is arranged corresponding to the air outlet (102);

the cover body (320) is clamped and assembled with the frame body (310), a through hole (302) communicated with the cavity is formed in the cover body (320), the through hole (302) is arranged corresponding to the air inlet (101), and the cover body (320) and the U-shaped notch (301) are combined to form a rectangular hole;

the main body of the power source (330) is fixedly arranged in the hollow cavity of the hollow mounting column (311), and the power output shaft of the power source (330) protrudes out of the hollow cavity and extends along the axial direction of the hollow mounting column (311); and the number of the first and second groups,

the fan blades (340), the fan blades (340) are fixedly arranged on the power output shaft of the power source (330), and the fan blades (340) can move synchronously along with the power output shaft so as to drive gas in the protective articles to enter from the through holes (302) and be discharged from the rectangular holes.

4. The electrically operated protection ventilation fan according to claim 3, wherein when the top cover (120) is assembled with the bottom cover (110), the ventilation structure (300) is fixed between the top cover (120) and the bottom cover (110) in a pressing manner, and an elastic protection member (350) is disposed between the cover body (320) and the top cover (120), and the elastic protection member (350) is sleeved on the cover body (320).

5. The electrically operated shield ventilation fan according to claim 3, wherein the bottom cover (110) is rotatably assembled with a baffle (112), the baffle (112) is located at the rectangular hole and is used for opening or closing the rectangular hole, and the baffle (112) is used for preventing external dust from entering the interior of the shielding article from the rectangular hole.

6. Electrically protected ventilation fan according to any of claims 1-5, wherein the air inlet port (200) comprises:

the port fixing piece (210) is detachably assembled with the shell (100), and a vent hole (201) communicated with the air outlet (102) is formed in the port fixing piece (210); and the number of the first and second groups,

support piece (220), support piece (220) with the joint assembly between port mounting (210), just be provided with vent (202) on support piece (220), support piece (220) are used for keeping remaining the clearance between the inner wall of protective articles and the human body.

7. The electric protection ventilating fan as claimed in claim 6, wherein the air inlet (101) protrudes from the outer side wall of the housing (100), and a rotary slot (203) is arranged on the outer side wall; an installation part (211) is arranged on one side, close to the shell (100), of the port fixing part (210), and a rotating fixture block (212) is arranged on the installation part (211); the rotary clamping block (212) is rotationally clamped with the rotary clamping groove (203) to realize detachable assembly between the port fixing piece (210) and the shell (100).

8. The electrically operated protective ventilation fan according to claim 7, wherein a clamping table (213) is convexly provided on a side of the port fixing member (210) close to the supporting member (220), and a clamping groove (204) is provided on a side wall of the clamping table (213); the supporting piece (220) is assembled with the clamping table (213) in an inserting mode, and a second clamping block (221) is arranged on the inner side wall of the supporting piece (220); and the second clamping block (221) is clamped and assembled with the clamping groove (204) so as to realize clamping and assembling between the support piece (220) and the port fixing piece (210).

9. The electrically powered shielded ventilation fan of claim 2, wherein the bottom of the mounting cavity (104) is convexly provided with a threaded post, the control assembly (400) comprising:

the control circuit board (410) is inserted on the threaded column, and the control circuit board (410) is fixedly installed in the installation cavity (104) through the assembly of a fastening screw and the threaded column;

a gear control switch (420), the gear control switch (420) being disposed on the control circuit board (410);

a power starting switch (430), wherein the power starting switch (430) is arranged on the control circuit board (410); and the number of the first and second groups,

a charging port (440), the charging port (440) disposed on the control circuit board (410).

10. An electric protection ventilating fan according to any one of claims 7 to 9, wherein the protective article is any one of a protective clothing, a protective mask and a protective face mask.