CN208702753U - A kind of environmental protection exhaust fan - Google Patents

Abstract

The utility model relates to environmentally friendly exhaust fan technical fields, and disclose a kind of environmentally friendly exhaust fan, including mounting base, curved ventilation duct is fixedly connected at the top of the mounting base, the air inlet of the mounting base is socketed with revolving speed adjustable fan, and the air outlet of the curved ventilation duct is removably connected with outlet housing by filter device.It is that pernicious gas in plant floor is directly discharged to purify in air and by air that the utility model, which solves the problems, such as existing exhaust fan all, the utility model passes through the improvement to filter device, it is connected and fixed the use of ring, mounting and dismounting to filter device can be facilitated, so as to guarantee that the exhaust fan for being not provided with filter device is transformed, by being provided with adsorption plate, filter plate and cotton plate, it can prevent dust, the discharge of grease stain fog and toxic gas, to ensure that the clean of air and cleaning, and it avoids being adsorbed on nearby buildings with grease stain, it ensure that the cleaning of Adjacent Buildings.

Description

A kind of environmental protection exhaust fan

Technical field

The utility model relates to environmentally friendly exhaust fan technical field, specially a kind of environmentally friendly exhaust fan.

Background technique

Exhaust fan, which is widely applied, reaches ventilation with regions such as hospital, factory, restaurants to guarantee that indoor and outdoor air circulates Purpose.Existing exhaust fan is usually located in outline border and is connected with motor output end by outline border, flabellum pair and motor form, flabellum pair It connects, and is rotated with motor output end and rotate air draft, the air draft that the exhaust fan of this structure can only be pure, but interior is made for a long time A large amount of nocuousness can be generated in the case where industry or daily life to swim grit, these swim grit with mostly with exhaust fan air draft and Discharge is outdoor, but the outdoor grit that swims is discharged and inevitably pollutes environment, and factory and restaurant have grease stain with internal Air when being discharged, the air with grease stain is accumulated on nigh building after excluding, will affect the appearance of building, Existing Chinese patent, exhaust fan disclosed in Patent No. CN201620763016.2 are merely capable of obstructing particulate matter, and It can not be blocked in air with grease stain gas harmful with other, it is therefore desirable to improve.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of environmentally friendly exhaust fan, solves existing exhaust fan all It is that pernicious gas in plant floor is directly discharged in air the problem of thoroughly not purified air.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of environmental protection exhaust fan, including mounting base, Curved ventilation duct is fixedly connected at the top of the mounting base, the air inlet of the mounting base is socketed with revolving speed adjustable pneumatic Fan, the air outlet of the curved ventilation duct are removably connected with outlet housing by filter device.

The filter device includes crust of the device, is fixedly connected to and is connected and fixed at left and right sides of described device shell Ring, described be connected and fixed on ring offer threaded hole, and two partitions are socketed in described device shell, are opened on the left of the partition Equipped with communication port, in described device shell and it is located at the opposite side of two partitions filled with cotton plate, described device shell It is socketed with filter plate on the right side of inner cavity, adsorption plate is socketed on the left of described device shell inner cavity, is offered on the adsorption plate Adsorption hole, the circular trough internal screw thread that the bottom of the adsorption plate inner sidewall opens up are connected with sealing cover.

Optimal, described device shell is hollow circuit cylinder cabin structure, and is opened at left and right sides of described device shell inner cavity If round port communicated with outside.

It is optimal, be socketed in the curved ventilation duct and the outlet housing it is described be connected and fixed ring, and described in two Be connected and fixed ring pass through four screwed plugs be respectively and movably connected to open up on the curved ventilation duct and the outlet housing it is described In threaded hole.

Optimal, the adsorption hole includes the first round hole, the second round hole and helical form connecting hole, first circle Shape hole and second round hole are provided with the left and right sides of adsorption plate respectively, and the first round hole and the second round hole pass through spiral shell Rotation shape connecting hole is connected.

Optimal, the quantity of the adsorption hole is several, and several adsorption holes are radial is provided on adsorption plate.

Optimal, the right side of crust of the device inner sidewall bottom, and the right side positioned at filter plate is arranged in the sealing cover Side.

Working principle: in use, when the gas supply in factory is discharged, revolving speed adjustable fan is electrically connected with external alternating current, The air of inside plants is discharged out of curved ventilation duct, filter device and fan housing, when air passes through from filter device, works as sky When gas passes through filter plate, the dust in air is stopped by filter plate, and when air passes through cotton plate, cotton plate can be by the oil in air Stain is adsorbed, and when the empty adsorption hole passed through on adsorption plate, the harmful gas in air can be adsorbed, at this time can It is enough that harmful gas in air is purged.

(3) beneficial effect

The utility model provides a kind of environmentally friendly exhaust fan.Have it is following the utility model has the advantages that

(1), the utility model is connected and fixed the use of ring by the improvement to filter device, can facilitate and fill to filtering That sets mount and dismount, and so as to guarantee that the exhaust fan for being not provided with filter device is transformed, is inhaled by being provided with Attached plate, filter plate and cotton plate filter plate, can by the air of discharge carry out environmental protection treatment, can prevent dust, grease stain fog and The discharge of toxic gas to ensure that the clean of air and cleaning, and avoids being adsorbed on nearby buildings with grease stain, It ensure that the cleaning of Adjacent Buildings.

Detailed description of the invention

Fig. 1 is a kind of fragmentary sectional elevation view of environmentally friendly exhaust fan；

Fig. 2 is filter device side sectional view；

Fig. 3 is the front section view of filter device；

Fig. 4 is the side view of adsorption plate；

Fig. 5 is the schematic diagram of adsorption hole.

In figure: 1 mounting base, 2 curved ventilation ducts, 3 revolving speed adjustable fans, 4 filter devices, 401 crusts of the device, 402 connect Connect fixed ring, 403 threaded holes, 404 filter plates, 405 partitions, 406 communication ports, 407 cotton plates, 408 adsorption plates, 409 adsorption holes, 4091 first round holes, 4,092 second round holes, 4093 helical form connecting holes, 410 sealing covers, 5 outlet housings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of environmental protection exhaust fan, including mounting base 1, peace The top of dress seat 1 is fixedly connected with curved ventilation duct 2, and the air inlet of mounting base 1 is socketed with revolving speed adjustable fan 3, passes through It is provided with revolving speed adjustable fan 3 in curved ventilation duct 2, the adjusting of exhaust air rate can be carried out according to indoor atmospheric density, The case where so as to adjust room air in real time, can guarantee that the unimpeded of indoor air flow, the air outlet of curved ventilation duct 2 pass through Filter device 4 is removably connected with outlet housing 5, by the way that the air outlet of curved ventilation duct 2 to be detachably connected by filter device 4 There is outlet housing 5, can facilitate and installation and replacement are carried out to filter device 4, wherein curved ventilation duct 2 and 5 side surface of outlet housing are worn It is inserted with screwed plug, the threaded one end of screwed plug is connected in threaded hole 403.

Filter device 4 includes crust of the device 401, and the left and right sides of crust of the device 401, which is fixedly connected to, to be connected and fixed Ring 402 is connected and fixed on ring 402 and offers threaded hole 403, and two partitions 405 are socketed in crust of the device 401, partition 405 Left side offers communication port 406, and crust of the device 401 is interior and is located at the opposite side of two partitions 405 filled with cotton plate 407, cotton Plate 407 is mainly prepared by cotton or cotton fabric, is mainly used for being purged the grease stain in air, crust of the device 401 It is socketed with filter plate 404 on the right side of inner cavity, is provided with gauze in filter plate 404, is mainly used for stopping dust in air, outside device Adsorption plate 408 is socketed on the left of 401 inner cavity of shell, adsorption plate 408 is mainly that active carbon is suppressed, and is opened up on adsorption plate 408 There is adsorption hole 409, the circular trough internal screw thread that the bottom of 408 inner sidewall of adsorption plate opens up is connected with sealing cover 410.

In the utility model, crust of the device 401 is hollow circuit cylinder cabin structure, and the left and right two of 401 inner cavity of crust of the device The round port that side opens up is communicated with outside, is socketed in curved ventilation duct 2 and outlet housing 5 and is connected and fixed ring 402, and two Ring 402 is connected and fixed to be respectively and movably connected in 5 upper screwed hole 403 of curved ventilation duct 2 and outlet housing by four screwed plugs, Adsorption hole 409 includes the first round hole 4091, the second round hole 4092 and helical form connecting hole 4093, the first round hole 4091 It is provided with the left and right sides of adsorption plate 408, and the first round hole 4091 and the second round hole respectively with the second round hole 4092 4092 are connected by helical form connecting hole 4093, by the way that the first round hole 4091 and the second round hole 4092 are passed through helical form Connecting hole 4093 is connected, and can increase the time of air flowing, increases pernicious gas adsorbance, to ensure that discharged Pernicious gas in air is effectively adsorbed, and the quantity of adsorption hole 409 is several, and several adsorption holes 409 are in radiation Shape is provided on adsorption plate 409, and the right side of 401 inner sidewall bottom of crust of the device is arranged in sealing cover 410, and is located at filter plate 404 right side.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of environmental protection exhaust fan, including mounting base (1), it is characterised in that: be fixedly connected at the top of the mounting base (1) curved The air inlet of type ventilation duct (2), the mounting base (1) is socketed with revolving speed adjustable fan (3), the curved ventilation duct (2) Air outlet be removably connected with outlet housing (5) by filter device (4)；

The filter device (4) includes crust of the device (401), and described device shell is fixedly connected at left and right sides of (401) It is connected and fixed ring (402), described be connected and fixed on ring (402) offers threaded hole (403), in described device shell (401) There are two sockets partition (405), offers communication port (406) on the left of the partition (405), in described device shell (401) And the opposite side for being located at two partitions (405) is filled with cotton plate (407), the right side of described device shell (401) inner cavity It is socketed with filter plate (404), is socketed with adsorption plate (408), the adsorption plate on the left of described device shell (401) inner cavity (408) it is offered on adsorption hole (409), the circular trough internal screw thread that the bottom of adsorption plate (408) inner sidewall opens up is connected with Sealing cover (410).

2. a kind of environmentally friendly exhaust fan according to claim 1, it is characterised in that: described device shell (401) is hollow circle Column cabin structure, and the round port opened up at left and right sides of described device shell (401) inner cavity is communicated with outside.

3. a kind of environmentally friendly exhaust fan according to claim 1, it is characterised in that: the curved ventilation duct (2) and it is described out Ring (402) are connected and fixed described in being socketed in fan housing (5), and are connected and fixed ring (402) described in two by four screw threads Bolt is respectively and movably connected in the threaded hole (403) opened up on the curved ventilation duct (2) and the outlet housing (5).

4. a kind of environmentally friendly exhaust fan according to claim 1, it is characterised in that: the adsorption hole (409) includes first Round hole (4091), the second round hole (4092) and helical form connecting hole (4093), first round hole (4091) and described Second round hole (4092) is provided with the left and right sides of the adsorption plate (408), and the first round hole (4091) and second respectively Round hole (4092) is connected by helical form connecting hole (4093).

5. a kind of environmentally friendly exhaust fan according to claim 1, it is characterised in that: the adsorption hole (409) if quantity be Dry, and several adsorption holes (409) are radial is provided on adsorption plate (408).

6. a kind of environmentally friendly exhaust fan according to claim 1, it is characterised in that: the sealing cover (410) is arranged in device The right side of shell (401) inner sidewall bottom, and it is located at the right side of the filter plate (404).