CN202612211U

CN202612211U - Novel exhaust fan

Info

Publication number: CN202612211U
Application number: CN2012202588230U
Authority: CN
Inventors: 黄龙辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-04
Filing date: 2012-06-04
Publication date: 2012-12-19
Anticipated expiration: 2022-06-04

Abstract

The utility model relates to a novel exhaust fan comprising an exhaust fan body composed of a front end panel and an exhaust passage. An air inlet communicated with the exhaust passage is arranged on the front end panel. An aperture variable assembly is arranged in the front end panel located on the inner side of the air inlet. The novel exhaust fan is simple and reasonable in structure, can prevent mosquitoes and insects from entering a house when the fan is closed, is low in noise of products and suitable for indoor air ventilation and air clearing in places such as offices, house bedrooms and wash rooms, and particularly is suitable for indoor use in high-rise building constructions.

Description

A kind of novel ventilating fan

Technical field

The utility model relates to a kind of ventilating fan technical field, and is especially a kind of simple and reasonable for structure, the novel ventilating fan when closing in the mosquito-proof insect protected inlet chamber.

Background technique

At present, existing ventilating fan structure, its intake grill and exhaust outlet are generally straight-through type, can't be implemented in when motor cuts out to seal, and dust, mosquito, noise etc. are got into easily.

Summary of the invention

The purpose of the utility model is to solve the deficiency of above-mentioned existing technology; And provide a kind of simple and reasonable for structure; When closing in the mosquito-proof insect protected inlet chamber; The product noise is little, is fit to indoor air-changings such as office, household bedroom, Rest Room, fresh air use, particularly is fit to the novel ventilating fan of the indoor use of high-rise building construction.

The utility model solves the technological scheme that its technical problem adopted: a kind of novel ventilating fan; Comprise the ventilating fan body of forming by front console and exhaust passage; Have the suction port that communicates with the exhaust passage on the front console; It is characterized in that, in the front-end face panel of said suction port inboard the variable aperture assembly is installed;

Retaining ring, vane group and swivel becket composition that said variable aperture assembly superposes from the bottom to top and connects; Vane group is superposeed by the blade of three or three above equal shape and surrounds; Every blade is a circular-arc thin slice body, has rotating shaft circular hole and slotted hole by circumferencial direction respectively on retaining ring and the swivel becket, and two extending ends of every blade are extended with holding flange and loose flange respectively; Holding flange and loose flange are corresponding to be cooperated with rotating shaft circular hole and slotted hole sleeve; Make holding flange circular hole rotation around the shaft on the blade, loose flange slidably reciprocates along slotted hole, and the two ends of swivel becket also are extended with the connection boss that connects stay cord;

Said front console is provided with middle baffle plate.

Adopt the ventilating fan of this structure, during use, through the pulling stay cord; Swivel becket is turned an angle, cooperate with rotating shaft circular hole and slotted hole sleeve because holding flange and loose flange are corresponding, in the swivel becket rotation process; Loose flange receives the thrust of slotted hole, blade pass cross holding flange around the shaft circular hole rotate to the center inside of suction port, make the action of blade such as the aperture adjustment action of mechanical type photographic camera; And the leaf position on the change vane group reaches the folding degree size that can control vane group easy, rapidly, cooperates with middle baffle plate when closing; In can effective mosquito-proof insect protected inlet chamber; The product noise is little, is fit to indoor air-changings such as office, household bedroom, Rest Room, fresh air use, particularly is fit to the indoor use of high-rise building construction.

The utility model can also adopt following technical measures to solve: have the circular orientation chamber in the front-end face panel of said suction port inboard; Both sides, circular orientation chamber are provided with positioning groove; The retaining ring both sides are extended with the location piece that cooperates with positioning groove, and the variable aperture assembly is installed in the circular orientation chamber through the location piece on the retaining ring; Positioning groove and location piece play spacing effect, make retaining ring can keep fixing.

Said holding flange is arranged on the bottom surface of blade one extending end, and loose flange is arranged on the end face of this another extending end of blade.

The beneficial effect of the utility model is: a kind of novel ventilating fan of the utility model, during use, through the pulling stay cord; Swivel becket is turned an angle, cooperate with rotating shaft circular hole and slotted hole sleeve because holding flange and loose flange are corresponding, in the swivel becket rotation process; Loose flange receives the thrust of slotted hole, blade pass cross holding flange around the shaft circular hole rotate to the center inside of suction port, make the action of blade such as the aperture adjustment action of mechanical type photographic camera; And the leaf position on the change vane group; Reach the folding degree size that to control vane group easy, rapidly, thereby change the bore of suction port, cooperate with middle baffle plate when closing; In can effective mosquito-proof insect protected inlet chamber; The product noise is little, is fit to indoor air-changings such as office, household bedroom, Rest Room, fresh air use, particularly is fit to the indoor use of high-rise building construction.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the STRUCTURE DECOMPOSITION schematic representation of the utility model.

Fig. 3 is the STRUCTURE DECOMPOSITION schematic representation of another angle of the utility model.

Fig. 4 is the structural representation of blade in the utility model.

Fig. 5 is the user mode schematic representation of the utility model.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Extremely shown in Figure 5 like Fig. 1; A kind of novel ventilating fan; Comprise the ventilating fan body of forming by front console 1 and exhaust passage 23; Have the suction port 101 that communicates with exhaust passage 2 on the front console 1, it is characterized in that, in the front-end face panel 1 of said suction port 101 inboards variable aperture assembly 4 is installed;

Retaining ring 401, vane group 402 and swivel becket 403 compositions that said variable aperture assembly 4 superposes from the bottom to top and connects; Vane group 402 is superposeed by the blade 402-1 of three or three above equal shape and surrounds; Every blade 402-1 is a circular-arc thin slice body; Have rotating shaft circular hole 401-1 and slotted hole 403-1 by circumferencial direction respectively on retaining ring 401 and the swivel becket 403; Two extending ends of every blade 402-1 are extended with holding flange 402-1a and loose flange 402-1b respectively, and holding flange 402-1a and loose flange 402-1b are corresponding to be cooperated with rotating shaft circular hole 401-1 and slotted hole 403-1 sleeve, make the holding flange 402-1a circular hole 401-1 rotation around the shaft on the blade 402-1; Loose flange 402-1b slidably reciprocates along slotted hole 403-1, and the two ends of swivel becket 403 also are extended with the connection boss 403-2 that connects stay cord 5;

Said front console 1 is provided with middle baffle plate 103.

Adopt the ventilating fan of this structure, during use, through pulling stay cord 5; Swivel becket 403 is turned an angle, cooperate with rotating shaft circular hole 401-1 and slotted hole 403-1 sleeve because holding flange 402-1a and loose flange 402-1b are corresponding, in swivel becket 403 rotation processes; Loose flange 402-1b receives the thrust of slotted hole 403-1, blade 402-1 through holding flange 402-1a around the shaft circular hole 401-1 rotate to the center inside of suction port 101, make the action of blade 402-1 such as the aperture adjustment action of mechanical type photographic camera; And change the blade 402-1 position on the vane group 4, reach the folding degree size that can control vane group 4 easy, rapidly, thereby change the bore of suction port 101; Cooperate with middle baffle plate 103 when closing, can effective mosquito-proof insect protected inlet chamber in, the product noise is little; Be fit to indoor air-changings such as office, household bedroom, Rest Room, fresh air use; Particularly be fit to the indoor use of high-rise building construction, when replying reset condition, the stay cord 5 of pulling opposite side gets final product.

More specifically mode of execution as present embodiment: have circular orientation chamber 102 in the front-end face panel 1 of said suction port 101 inboards; 102 both sides, circular orientation chamber are provided with positioning groove 102-1; Retaining ring 401 both sides are extended with the location piece 401-2 that cooperates with positioning groove 102-1, and variable aperture assembly 4 is installed in the circular orientation chamber 102 through the location piece 401-2 on the retaining ring 401; Positioning groove 102-1 and location piece 401-2 play spacing effect, make retaining ring 401 can keep fixing.

Said holding flange 402-1a is arranged on the bottom surface of blade 402-1 one extending end, and loose flange 402-1b is arranged on the end face of another extending end of this blade 402-1.

Above-described specific embodiment is merely the utility model preferred embodiment, the equivalent arrangements of being done according to the utility model claim such as, and the technology that all should be the utility model contains.

Claims

1. novel ventilating fan; Comprise the ventilating fan body of forming by front console (1) and exhaust passage (2) (3); Have the suction port (101) that communicates with exhaust passage (2) on the front console (1); It is characterized in that, in the front-end face panel (1) of said suction port (101) inboard variable aperture assembly (4) is installed;

Retaining ring (401), vane group (402) and swivel becket (403) composition that said variable aperture assembly (4) superposes from the bottom to top and connects; Vane group (402) is superposeed by the blade (402-1) of three or three above equal shape and surrounds; Every blade (402-1) is a circular-arc thin slice body; Have rotating shaft circular hole (401-1) and slotted hole (403-1) by circumferencial direction respectively on retaining ring (401) and the swivel becket (403); Two extending ends of every blade (402-1) are extended with holding flange (402-1a) and loose flange (402-1b) respectively; Holding flange (402-1a) and loose flange (402-1b) are corresponding to be cooperated with rotating shaft circular hole (401-1) and slotted hole (403-1) sleeve; Make holding flange (402-1a) circular hole (401-1) rotation around the shaft on the blade (402-1); Loose flange (402-1b) slidably reciprocates along slotted hole (403-1), and the two ends of swivel becket (403) also are extended with the connection boss (403-2) that connects stay cord (5);

Said front console (1) is provided with middle baffle plate (103).

2. according to the said novel ventilating fan of claim 1; It is characterized in that; Have circular orientation chamber (102) in the front-end face panel (1) of said suction port (101) inboard; Both sides, circular orientation chamber (102) are provided with positioning groove (102-1), and retaining ring (401) both sides are extended with the location piece (401-2) that cooperates with positioning groove (102-1), and variable aperture assembly (4) is installed in the circular orientation chamber (102) through the location piece (401-2) on the retaining ring (401).

3. according to the said novel ventilating fan of claim 1, it is characterized in that said holding flange (402-1a) is arranged on the bottom surface of blade (402-1) extending end, loose flange (402-1b) is arranged on the end face of another extending end of this blade (402-1).