CN213928853U - Waterproof dustproof negative-pressure air fan - Google Patents
Waterproof dustproof negative-pressure air fan Download PDFInfo
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- CN213928853U CN213928853U CN202022562307.4U CN202022562307U CN213928853U CN 213928853 U CN213928853 U CN 213928853U CN 202022562307 U CN202022562307 U CN 202022562307U CN 213928853 U CN213928853 U CN 213928853U
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- air fan
- negative
- pressure air
- negative pressure
- waterproof
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Abstract
The utility model relates to a negative-pressure air fan technical field specifically discloses a waterproof dustproof negative-pressure air fan, including negative-pressure air fan body, waterproof baffle and installation frame, negative-pressure air fan body bottom is equipped with the bottom plate, the bottom plate is close to negative-pressure air fan body left and right sides limit and is equipped with the slide rail, waterproof baffle bottom both sides are equipped with the slider, slider sliding connection slide rail, negative-pressure air fan body front outer frame interval is equipped with a plurality of slots, the installation frame is symmetrically installed in negative-pressure air fan body front, the outer frame interval of installation frame is equipped with a plurality of mounting holes, pass through fastener fixed connection between installation frame and the negative-pressure air fan body, the cavity inside interval of installation frame is equipped with a plurality of horizontal poles that transversely set up and arbitrary two horizontal poles between fill with the filter screen; the utility model effectively reduces the dust entering the negative pressure fan through the arrangement of the filter screen on the mounting frame; effectively block inside the rainwater gets into negative-pressure air fan through setting up of waterproof baffle, water blocking strip, negative-pressure air fan is waterproof dustproof effectual.
Description
Technical Field
The utility model relates to a negative-pressure air fan technical field specifically is a waterproof dustproof negative-pressure air fan.
Background
The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, naturally sucks fresh air from a gate or a window opposite to an installation site, quickly and forcibly exhausts indoor hot air out of a room, and can improve any problem of poor ventilation, and the cooling and ventilation effect can reach 90-97%; at present, current negative-pressure air fan installs in the open air, and self waterproof, dustproof effect is relatively poor, and some negative-pressure air fans use the filter screen to pile up dust difficult dismantlement, cleanness in fixed surface installation filter screen for a long time, carry the dust when leading to negative-pressure air fan to use easily, in order to solve above-mentioned problem, consequently, design a waterproof dustproof negative-pressure air fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof dustproof negative-pressure air fan to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof dustproof negative-pressure air fan, includes negative-pressure air fan body, water proof stop and installation frame, negative-pressure air fan body bottom is equipped with the bottom plate, the bottom plate is close to and is equipped with the slide rail in negative-pressure air fan body left and right sides limit, water proof stop bottom both sides are equipped with the slider, slider sliding connection slide rail, the negative-pressure air fan body is located inside water proof stop, the positive outline interval of negative-pressure air fan body is equipped with a plurality of slots, installation frame symmetry is installed in negative-pressure air fan body openly, the outline interval of installation frame is equipped with a plurality of mounting holes, through fastener fixed connection between installation frame and the negative-pressure air fan body, it has the filter screen to install the inside interval of the cavity of frame and is equipped with between a plurality of horizontal poles that transversely set up and arbitrary two horizontal poles.
Furthermore, the whole concave structure that is of waterproof baffle, waterproof baffle outside one side is equipped with the handle.
Furthermore, a fastening knob is arranged between the sliding block and the sliding rail in a matched mode.
Furthermore, a water blocking strip is arranged inside the shell of the negative pressure fan body.
Furthermore, the fastener passes through the mounting hole of the mounting frame and then is fixedly mounted in the slot of the negative pressure air blower body.
Furthermore, the filter screen adopts high density stainless steel dust screen.
Furthermore, the waterproof baffle is made of high-strength transparent materials.
Furthermore, the negative pressure fan body is including setting up in the inside fan axle of casing, a plurality of fan flabellums of fixed connection on the fan axle.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has compact integral structure, effectively reduces dust entering the negative pressure fan through the arrangement of the filter screen on the mounting frame, and the filter screen can be conveniently detached from the mounting frame for cleaning and replacing the mounting frame after being used for a long time, and the operation is simple; under the condition that negative-pressure air fan normal use is not influenced, negative-pressure air fan's wind gap is located inside waterproof baffle, effectively blocks the rainwater through setting up of waterproof baffle, water blocking strip and gets into negative-pressure air fan inside, and negative-pressure air fan is waterproof dustproof effectual, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the utility model discloses a waterproof baffle side-mounting structure schematic diagram.
In the figure: 1. a negative pressure fan body; 2. a base plate; 3. a slide rail; 4. a slider; 5. a waterproof baffle; 6. a slot; 7. a water-blocking strip; 8. installing a frame; 9. filtering with a screen; 10. a cross bar; 11. mounting holes; 12. a fastener; 13. a handle.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: a waterproof and dustproof negative pressure fan, which comprises a negative pressure fan body 1, a waterproof baffle 5 and a mounting frame 8, the bottom of the negative pressure fan body 1 is provided with a bottom plate 2, the bottom plate 2 is provided with slide rails 3 close to the left side and the right side of the negative pressure fan body 1, the two sides of the bottom of the waterproof baffle 5 are provided with slide blocks 4, the slide blocks 4 are connected with slide rails 3 in a sliding manner, the negative pressure fan body 1 is positioned inside the waterproof baffle 5, a plurality of slots 6 are arranged on the outer frame of the front side of the negative pressure fan body 1 at intervals, the mounting frames 8 are symmetrically arranged on the front side of the negative pressure fan body 1, a plurality of mounting holes 11 are arranged at intervals on the outer frame of the mounting frame 8, the mounting frame 8 and the negative pressure fan body 1 are fixedly connected through fasteners 12, a plurality of transversely arranged cross rods 10 are arranged in the cavity of the mounting frame 8 at intervals, and a filter screen 9 is filled between any two cross rods 10.
Further, waterproof baffle 5 wholly is concave style of calligraphy structure, waterproof baffle 5 outside one side is equipped with handle 13.
Furthermore, a fastening knob is arranged between the sliding block 4 and the sliding rail 3 in a matching manner.
Further, a water blocking strip 7 is arranged inside the shell of the negative pressure fan body 1.
Further, the fastening member 12 passes through the mounting hole 11 of the mounting frame 8 and then is fixedly mounted inside the slot 6 of the negative pressure air blower body 1.
Further, the filter screen 9 is made of a high-density stainless steel dust screen.
Further, the waterproof baffle 5 is made of high-strength transparent material.
Further, the negative pressure air blower body 1 comprises a blower shaft arranged inside the shell, and a plurality of blower fan blades are fixedly connected to the blower shaft.
The working principle is as follows: in the actual use process, the mounting frames 8 are symmetrically mounted on the front surface of the negative pressure fan body 1, and the fasteners 12 are taken and pass through the mounting holes 11 of the mounting frames 8 to be fixedly mounted in the slots 6 of the negative pressure fan body 1, so that the mounting frames 8 are fixedly mounted on the negative pressure fan body 1; the mounting frame 8 is provided with a filter screen 9, and dust is effectively prevented from entering the negative pressure fan through the arrangement of the filter screen 9; when the negative pressure fan is used for a long time and more dust is accumulated on the surface of the filter screen 9, the mounting frame 8 is dismounted according to the reverse operation steps, the filter screen 9 is cleaned and replaced, the mounting frame 8 is convenient to dismount, and the operation is simple;
negative-pressure air fan body 1 is installed in the open air, when meetting the more season of rainwater, slider 4 of 5 bottoms of manually operation water baffle moves on slide rail 3, let positive wind gap of negative-pressure air fan body be located inside water baffle 5 (twist the fastening knob that sets up between slider 4 and the slide rail 3, thereby fix the installation of water baffle 5), utilize water baffle 5's setting, effectively block the rainwater, the protecting effect is good, combine the setting of water blocking strip 7, further reduce the rainwater and get into inside negative-pressure air fan body 1.
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 (8)
1. The waterproof and dustproof negative pressure fan comprises a negative pressure fan body (1), a waterproof baffle (5) and an installation frame (8), and is characterized in that a bottom plate (2) is arranged at the bottom of the negative pressure fan body (1), slide rails (3) are arranged on the left side and the right side of the negative pressure fan body (1) close to the bottom plate (2), slide blocks (4) are arranged on the two sides of the bottom of the waterproof baffle (5), the slide blocks (4) are connected with the slide rails (3) in a sliding manner, the negative pressure fan body (1) is positioned inside the waterproof baffle (5), a plurality of inserting grooves (6) are arranged at intervals on the outer frame on the front side of the negative pressure fan body (1), the installation frame (8) is symmetrically installed on the front side of the negative pressure fan body (1), a plurality of installation holes (11) are arranged at intervals on the outer frame of the installation frame (8), and the installation frame (8) and the negative pressure fan body (1) are fixedly connected through fasteners (12), the cavity of the mounting frame (8) is internally provided with a plurality of transverse rods (10) which are transversely arranged at intervals, and a filter screen (9) is filled between any two transverse rods (10).
2. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: the waterproof baffle (5) is integrally of a concave structure, and a handle (13) is arranged on one side of the outer portion of the waterproof baffle (5).
3. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: and a fastening knob is arranged between the sliding block (4) and the sliding rail (3) in a matched manner.
4. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: and a water blocking strip (7) is arranged inside the shell of the negative pressure fan body (1).
5. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: and the fastener (12) passes through the mounting hole (11) of the mounting frame (8) and then is fixedly mounted in the slot (6) of the negative pressure fan body (1).
6. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: the filter screen (9) adopts a high-density stainless steel dust screen.
7. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: the waterproof baffle (5) is made of high-strength transparent materials.
8. The waterproof dustproof negative pressure air fan of claim 1, characterized in that: the negative-pressure air fan comprises a shell and is characterized in that the negative-pressure air fan body (1) comprises an air fan shaft arranged inside the shell, and a plurality of air fan blades are fixedly connected to the air fan shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022562307.4U CN213928853U (en) | 2020-11-06 | 2020-11-06 | Waterproof dustproof negative-pressure air fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022562307.4U CN213928853U (en) | 2020-11-06 | 2020-11-06 | Waterproof dustproof negative-pressure air fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928853U true CN213928853U (en) | 2021-08-10 |
Family
ID=77167076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022562307.4U Active CN213928853U (en) | 2020-11-06 | 2020-11-06 | Waterproof dustproof negative-pressure air fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928853U (en) |
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2020
- 2020-11-06 CN CN202022562307.4U patent/CN213928853U/en active Active
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