CN213090097U

CN213090097U - New fan of house prevents down draught device

Info

Publication number: CN213090097U
Application number: CN202021750388.4U
Authority: CN
Inventors: 李文治
Original assignee: Shanghai Mehos Industrial Co ltd
Current assignee: Shanghai Mehos Industrial Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-30
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a new fan of house prevents flowing backward device, including an air inlet section of thick bamboo and deep bead, the deep bead setting is in the inside of an air inlet section of thick bamboo, and the pivot groove has been seted up to the inner wall of an air inlet section of thick bamboo, and the inner wall in pivot groove rotates through the bearing and is connected with the pivot, and the surface at the pivot is fixed to the deep bead, and the fixed surface of deep bead is connected with the sealing ring, the surface of sealing ring and the inner wall contact of an air inlet section of thick bamboo, and the one end of pivot runs through an air inlet section of thick bamboo and. This fan prevents down draught device is prevented to house new fan, through the setting of sealing ring, the leakproofness between multiplicable deep bead and the air inlet section of thick bamboo through the setting of carousel, pivot, is convenient for adjust the angle of deep bead, realizes the closure of deep bead and opens, through kelly, card hole, box body, push rod, logical groove, reset spring's setting, is convenient for fix a position the deep bead, prevents that the deep bead from being blown open by wind, can effectively play the effect of preventing down draught.

Description

New fan of house prevents down draught device

Technical Field

The utility model relates to a new fan technical field specifically is a new fan of house prevents flowing backward wind device.

Background

The new fan is an effectual air purification equipment, can make the room air produce the circulation, on the one hand outdoor dirty air discharge, on the other hand is outdoor fresh air through disinfecting, after measures such as disinfection, filtration, input indoor again, let in the room all the time be fresh clean air, new fan application new trend convection patent technique, through independently supplying air and induced air, make the room air realize the convection current, thereby the at utmost carry out the room air replacement, the built-in multi-functional clean system of new fan guarantees to get into indoor air clean and healthy. The new fan mainly divide into two types of exhaust formula new fan and air supply formula new fan, can install under most indoor environment, simple to operate uses comfortablely. The fresh air machine is a health partner of home life.

The device of preventing flowing backward is generally installed to current new fan, but the deep bead among the device of preventing flowing backward that has now is adjusted inconveniently, and the condition that the deep bead can not be closed completely often appears, when outdoor wind-force is too big, lead to the deep bead directly to be blown open easily, can't play the effect of preventing flowing backward, and the device of preventing flowing backward that has now generally does not have the filter screen, can not carry out prefilter to outside air, install the filter screen a bit, but general filter screen is fixed mounting, it is comparatively troublesome when the clearance need be dismantled.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a device of preventing flowing backward of house new fan has solved the deep bead and has adjusted inconvenient, easy wind and blown open and then can't play the effect of preventing flowing backward and comparatively trouble problem when the clearance is dismantled to filter screen.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a house fresh air fan anti-backflow device comprises an air inlet barrel and a wind shield, wherein the wind shield is arranged inside the air inlet barrel, a rotating shaft groove is formed in the inner wall of the air inlet barrel, the inner wall of the rotating shaft groove is rotatably connected with a rotating shaft through a bearing, the wind shield is fixed on the surface of the rotating shaft, a sealing ring is fixedly connected to the outer surface of the wind shield, the outer surface of the sealing ring is in contact with the inner wall of the air inlet barrel, one end of the rotating shaft penetrates through the air inlet barrel and extends to the outside of the air inlet barrel, a rotating disc is fixedly connected to one end of the rotating shaft, a box body is fixedly connected to the outer surface of the air inlet barrel, a clamping rod is arranged on the left side of the box body in a penetrating mode, the surface of the clamping rod is in sliding connection with the inner wall of the box body, a reset spring, the one end that the kelly was kept away from to the push rod runs through the box body and extends to the outside of box body, the front of box body runs through the logical groove of seting up with the push rod looks adaptation, the card hole with kelly looks adaptation is seted up to the surface of carousel.

Preferably, the inside of an air inlet section of thick bamboo is provided with the filter screen, the surface of filter screen and the contact of an air inlet section of thick bamboo.

Preferably, the equal fixedly connected with magnetism fixture block in top and the below on filter screen surface, the cross slot with magnetism fixture block looks adaptation is all seted up to the both sides of air inlet section of thick bamboo inner wall.

Preferably, the arc wall with magnetism fixture block looks adaptation is all seted up to the both sides of an air inlet section of thick bamboo inner wall, two the arc wall communicates with two cross slots respectively, two the inner wall of arc wall all is provided with the magnetism region, two the surface of magnetism fixture block respectively with the surface contact in two magnetism regions.

Preferably, the left side fixedly connected with of filter screen rotates the handle, the fixed surface of an air inlet section of thick bamboo is connected with the installation ring, the right side of installation ring is run through and is seted up threaded hole.

Preferably, the number of the clamping holes is four, the four clamping holes are uniformly distributed on the outer surface of the rotary table, and the wind shield is circular.

Advantageous effects

The utility model provides a new fan of house prevents down draught device. Compared with the prior art, the method has the following beneficial effects:

(1) the house fresh air fan anti-backflow device is characterized in that a rotating shaft groove is formed in the inner wall of an air inlet cylinder, the inner wall of the rotating shaft groove is rotatably connected with a rotating shaft through a bearing, a wind shield is fixed on the surface of the rotating shaft, the outer surface of the wind shield is fixedly connected with a sealing ring, the outer surface of the sealing ring is in contact with the inner wall of the air inlet cylinder, one end of the rotating shaft penetrates through the air inlet cylinder and extends to the outside of the air inlet cylinder, one end of the rotating shaft is fixedly connected with a rotating disc, the outer surface of the air inlet cylinder is fixedly connected with a box body, a clamping rod penetrates through the left side of the box body, the surface of the clamping rod is slidably connected with the inner wall of the box body, a reset spring is fixedly connected with the right end of the reset spring and the right side of the inner wall of the box body, a, the card hole with kelly looks adaptation is seted up to the surface of carousel, through the setting of sealing ring, the leakproofness between multiplicable deep bead and the air inlet section of thick bamboo, through the carousel, the setting of pivot, be convenient for adjust the angle of deep bead, realize the closure of deep bead and open, through kelly, card hole, box body, push rod, logical groove, reset spring's setting, be convenient for fix a position the deep bead, prevent that the deep bead from being blown away by wind, can effectively play the effect of preventing flowing backward.

(2) This house new fan prevents down draught device, inside through at an air inlet section of thick bamboo is provided with the filter screen, the surface of filter screen and the contact of an air inlet section of thick bamboo, the top on filter screen surface and the equal fixedly connected with magnetism fixture block in below, the cross slot with magnetism fixture block looks adaptation is all seted up to the both sides of an air inlet section of thick bamboo inner wall, the arc wall with magnetism fixture block looks adaptation is all seted up to the both sides of an air inlet section of thick bamboo inner wall, two arc walls communicate with two cross slots respectively, the inner wall of two arc walls all is provided with the magnetism region, the surface of two magnetism fixture blocks respectively with the surface contact of two magnetism regions, the left side fixedly connected with of filter screen rotates the handle, setting through the filter screen, be convenient for carry out prefiltration to the outside air, take out great impurity, through rotating the handle, the arc wall, the cross slot, the magnetism.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a top cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a left side view of the air inlet barrel structure of the present invention;

fig. 5 is a left cross-sectional view of the air inlet barrel structure of the present invention.

In the figure: 1-an air inlet cylinder, 2-a wind shield, 3-a rotating shaft groove, 4-a rotating shaft, 5-a sealing ring, 6-a rotating disc, 7-a box body, 8-a clamping rod, 9-a return spring, 10-a push rod, 11-a through groove, 12-a clamping hole, 13-a filter screen, 14-a magnetic clamping block, 15-a transverse groove, 16-an arc groove, 17-a magnetic area, 18-a rotating handle, 19-an installation circular ring and 20-a threaded hole.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a house new fan prevents down draught device, includes an air inlet section of thick bamboo 1 and deep bead 2, and deep bead 2 sets up in the inside of an air inlet section of thick bamboo 1, its characterized in that: the inner wall of the air inlet barrel 1 is provided with a rotating shaft groove 3, the inner wall of the rotating shaft groove 3 is rotatably connected with a rotating shaft 4 through a bearing, a wind shield 2 is fixed on the surface of the rotating shaft 4, the outer surface of the wind shield 2 is fixedly connected with a sealing ring 5 which is made of rubber, the outer surface of the sealing ring 5 is contacted with the inner wall of the air inlet barrel 1, one end of the rotating shaft 4 penetrates through the air inlet barrel 1 and extends to the outside of the air inlet barrel 1, one end of the rotating shaft 4 is fixedly connected with a turntable 6, the outer surface of the air inlet barrel 1 is fixedly connected with a box body 7, the left side of the box body 7 is penetrated with a clamping rod 8, the surface of the clamping rod 8 is connected with the inner wall of the box body 7 in a sliding manner, the right end of the clamping rod 8 is fixedly connected with a reset spring 9 which is convenient for the clamping rod 8 to be matched and clamped with a clamping hole 12, the front surface of the box body 7 is provided with a through groove 11 matched with the push rod 10 in a penetrating way, so that the push rod 10 can move conveniently, the outer surface of the rotary disc 6 is provided with clamping holes 12 matched with the clamping rods 8, the inside of the air inlet cylinder 1 is provided with a filter screen 13, the outer surface of the filter screen 13 is contacted with the air inlet cylinder 1, the upper part and the lower part of the surface of the filter screen 13 are fixedly connected with magnetic clamping blocks 14 and have magnetism, the two sides of the inner wall of the air inlet cylinder 1 are provided with transverse grooves 15 matched with the magnetic clamping blocks 14, the two sides of the inner wall of the air inlet cylinder 1 are provided with arc grooves 16 matched with the magnetic clamping blocks 14 so that the filter screen 13 can rotate in the air inlet cylinder 1, the two arc grooves 16 are respectively communicated with the two transverse grooves 15, the inner walls of the two arc grooves 16 are provided with magnetic areas 17 which have magnetism and can adsorb the magnetic clamping blocks 14 to position the magnetic clamping blocks 14 so as to complete the positioning, handle 18 is rotated to the left side fixedly connected with of filter screen 13, and the fixed surface of an air inlet section of thick bamboo 1 is connected with installation ring 19, and threaded hole 20 runs through on the right side of installation ring 19, and cooperation bolt and installation ring 19 are convenient for install an air inlet section of thick bamboo 1, and card hole 12 is provided with four, and four card hole evenly distributed are circular at the surface of carousel 6, deep bead 2.

When the wind shield 2 needs to be opened, one hand pushes the push rod 10 rightwards to further enable the clamping rod 8 to be separated from the clamping hole 12, the other hand rotates the rotary table 6, the wind shield 2 is driven by the rotating shaft 4 to turn over on the inner wall of the air inlet cylinder 1, the rotary table 6 stops rotating after rotating for 90 degrees, then the push rod 10 is loosened, the clamping rod 8 is driven to reset under the elastic action of the reset spring 9, the clamping rod 8 is further matched with the clamping hole 12, the positioning of the rotary table 6 is completed, and the positioning of the wind shield 2 is further completed; when the filter screen 13 needs to be disassembled, the rotating handle 18 is rotated, and then the filter screen 13 is driven to rotate, so that the two magnetic clamping blocks 14 are separated from the two magnetic areas 17 respectively, the two magnetic clamping blocks 14 further move in the two arc-shaped grooves 16 respectively, and the rotating handle 18 is pulled leftwards until the two magnetic clamping blocks 14 move to the two transverse grooves 15, so that the disassembly of the filter screen 13 can be completed, and when the filter screen 13 needs to be re-assembled, the operation is performed in the reverse direction of the steps.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a house new fan prevents down draught device, includes an air inlet section of thick bamboo (1) and deep bead (2), deep bead (2) set up the inside at an air inlet section of thick bamboo (1), its characterized in that: the inner wall of the air inlet cylinder (1) is provided with a rotating shaft groove (3), the inner wall of the rotating shaft groove (3) is connected with a rotating shaft (4) through a bearing in a rotating manner, the wind shield (2) is fixed on the surface of the rotating shaft (4), the outer surface of the wind shield (2) is fixedly connected with a sealing ring (5), the outer surface of the sealing ring (5) is in contact with the inner wall of the air inlet cylinder (1), one end of the rotating shaft (4) penetrates through the air inlet cylinder (1) and extends to the outside of the air inlet cylinder (1), one end of the rotating shaft (4) is fixedly connected with a turntable (6), the outer surface of the air inlet cylinder (1) is fixedly connected with a box body (7), the left side of the box body (7) is penetrated with a clamping rod (8), the surface of the clamping rod (8) is in sliding connection with the inner wall of the box body, the right-hand member of reset spring (9) and the right side fixed connection of box body (7) inner wall, the fixed surface of kelly (8) is connected with push rod (10), the one end that kelly (8) were kept away from in push rod (10) runs through box body (7) and extends to the outside of box body (7), the logical groove (11) of seting up with push rod (10) looks adaptation are run through in the front of box body (7), card hole (12) with kelly (8) looks adaptation are seted up to the surface of carousel (6).

2. The fresh air fan anti-backflow device for the residence according to claim 1, wherein: the inside of air inlet section of thick bamboo (1) is provided with filter screen (13), the surface of filter screen (13) and the contact of air inlet section of thick bamboo (1).

3. The fresh air fan anti-backflow device for the house according to claim 2, wherein: the equal fixedly connected with magnetism fixture block (14) in top and below on filter screen (13) surface, horizontal groove (15) with magnetism fixture block (14) looks adaptation are all seted up to the both sides of air inlet section of thick bamboo (1) inner wall.

4. The fresh air fan anti-backflow device for the house according to claim 3, wherein: arc wall (16) with magnetism fixture block (14) looks adaptation are all seted up to the both sides of air inlet section of thick bamboo (1) inner wall, two arc wall (16) communicate with two cross slots (15) respectively, two the inner wall of arc wall (16) all is provided with magnetism region (17), two the surface of magnetism fixture block (14) respectively with the surface contact of two magnetism regions (17).

5. The fresh air fan anti-backflow device for the house according to claim 2, wherein: the left side fixedly connected with of filter screen (13) rotates handle (18), the fixed surface of air inlet section of thick bamboo (1) is connected with installation ring (19), set up threaded hole (20) is run through on the right side of installation ring (19).

6. The fresh air fan anti-backflow device for the residence according to claim 1, wherein: the four clamping holes (12) are uniformly distributed on the outer surface of the rotary table (6), and the wind shield (2) is circular.