CN220910034U - Dustproof rainproof negative pressure fan - Google Patents
Dustproof rainproof negative pressure fan Download PDFInfo
- Publication number
- CN220910034U CN220910034U CN202322800590.3U CN202322800590U CN220910034U CN 220910034 U CN220910034 U CN 220910034U CN 202322800590 U CN202322800590 U CN 202322800590U CN 220910034 U CN220910034 U CN 220910034U
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- China
- Prior art keywords
- rain
- fan
- dust
- automatic
- negative pressure
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- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a dustproof and rainproof negative pressure fan which comprises a fan body, an automatic rainproof baffle, dust adsorption and interception devices, cables and rain gauges, wherein the fan body is of a quadrilateral rectangular structure, the front end of the fan body is provided with the automatic rainproof baffle fixed by bolts, the inner side of the middle part of the top end of the automatic rainproof baffle is provided with the dust adsorption and interception devices which are connected in a plugging manner and connected with a power supply through the cables, and the two sides of the front end of the automatic rainproof baffle are provided with the rain gauges which are symmetrically distributed and are fixed through the bolts. The negative pressure fan is used for automatically detecting whether the fan rains or not through a reasonable design and matching with the rain gauge and adjusting the position of the baffle plate through matching with the automatic rain-proof baffle plate, so that water inflow of the fan is avoided, meanwhile, the dust quantity in the air circulation process is effectively reduced through a dust adsorption interception device in a double dust interception mode, dust accumulation of the fan is avoided, and meanwhile ventilation quality is improved.
Description
Technical Field
The utility model relates to a negative pressure fan, in particular to a dustproof and rainproof negative pressure fan.
Background
The negative pressure fan is a machine for rapidly and forcedly discharging indoor sultry gas outdoors, enhancing air circulation and improving cooling and ventilation effects, the currently used negative pressure fan is often influenced by rain and snow weather in the use process, and dust and impurities in the air can be used for the fan. The equipment and human body are affected, so a novel negative pressure fan capable of automatically sensing, preventing rain and snow and filtering dust and impurities is needed.
Disclosure of utility model
The utility model aims to provide a dustproof and rainproof negative pressure fan so as to solve the technical problems.
The utility model adopts the following technical scheme for realizing the purposes:
The utility model provides a dustproof rain-proof formula negative pressure fan, includes fan, automatic rain-proof baffle, dust absorption intercepting device, cable, rain gauge, the fan is four sides rectangle structure and front end mid-mounting has the automatic rain-proof baffle of bolt fastening, automatic rain-proof baffle top mid-mounting has the dust absorption intercepting device of plug connection and is connected with the power through the cable, the rain gauge of symmetric distribution is installed to automatic rain-proof baffle front end both sides and is fixed through the bolt.
On the basis of the technical scheme, the automatic rainproof baffle comprises a mounting bracket, a rain shield plate, a convex shaft, driven gears, bearings, racks, limiting guide blocks, driving gears and servo motors, wherein the mounting bracket is of a quadrilateral rectangular structure, five groups of rain shields are mounted at the front end of the inner side of the mounting bracket, the convex shafts are mounted at the left end and the right end of each rain shield plate, the driven gears connected through keys are mounted at the two sides of each convex shaft and are hinged to the inner side of the mounting bracket through the bearings, the racks connected in a meshed mode are mounted at the middle of the rear ends of the driven gears, the limiting guide blocks connected in an embedded mode are mounted at the rear ends of the racks, two groups of driving gears connected in a meshed mode are mounted at the top of the front ends of the racks, and the servo motors connected through transmission shafts and connected through keys are mounted at the middle of the left ends of the driving gears.
On the basis of the technical scheme, the dust adsorption interception device comprises an electrostatic filter, handles, replaceable electrified contacts, fixed conductive seats, spring telescopic rods, magnetic rods, air filter elements and insertion holes, wherein the handles which are symmetrically distributed are arranged on two sides of the top end of the electrostatic filter and are fixed through bolts, the replaceable electrified contacts which are symmetrically distributed are arranged at the middle parts of the left end and the right end of the electrostatic filter, the replaceable electrified contacts are in sliding friction contact with the fixed conductive seats on two sides, the three groups of spring telescopic rods which are symmetrically distributed are arranged at the other ends of the fixed conductive seats, the magnetic rods which are symmetrically distributed are equidistantly arranged are arranged on the surface of the rear end of the electrostatic filter, and the magnetic rods are connected with the insertion holes on the surface of the air filter elements in an inserting mode.
Compared with the prior art, the utility model has the following advantages: according to the negative pressure fan, whether rain is rained or not can be automatically sensed through the rain gauge, then the driven gear and the rain shielding plate rotate and change of angles are realized through cooperation of the driving gear and the rack driven by the servo motor in the automatic rain shielding plate, the influence of rainwater entering the fan on the service life of the fan is avoided, then the electrostatic filter in the dust absorption interception device is matched with the air filter core to filter dust and impurities in air, and meanwhile, the split sliding connection type power supply structure is convenient for maintenance and cleaning of the electrostatic filter.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model.
Fig. 2 is a schematic view of the structure of the automatic rain-proof baffle of the utility model.
Fig. 3 is a schematic structural view of the dust adsorbing and intercepting device of the present utility model.
In the figure: 1. fan, 2, automatic rain-proof baffle, 3, dust absorption intercepting device, 4, cable, 5, the rain gauge, 6, installing support, 7, weather shield, 8, protruding axle, 9, driven gear, 10, bearing, 11, rack, 12, spacing guide block, 13, driving gear, 14, servo motor, 15, electrostatic filter, 16, handle, 17, removable electrical contact, 18, fixed conductive seat, 19, spring telescopic link, 20, magnetic pole, 21, air filter element, 22, jack.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1-3, a dustproof rainproof type negative pressure fan comprises a fan 1, an automatic rainproof baffle 2, dust adsorption interception devices 3, cables 4 and rain gauges 5, wherein the fan 1 is of a quadrilateral rectangular structure, the front end of the fan is provided with the automatic rainproof baffle 2 fixed by bolts, the inner side of the middle part of the top end of the automatic rainproof baffle 2 is provided with the dust adsorption interception devices 3 which are connected in a plugging manner and connected with a power supply through the cables 4, and the two sides of the front end of the automatic rainproof baffle 2 are provided with the symmetrically distributed rain gauges 5 and are fixed through bolts.
The automatic rainproof baffle 2 comprises a mounting bracket 6, a rain shield 7, a protruding shaft 8, a driven gear 9, a bearing 10, a rack 11, a limiting guide block 12, a driving gear 13 and a servo motor 14, wherein the mounting bracket 6 is of a four-sided rectangular structure, five groups of rain shields 7 are mounted at the front end of the inner side, the protruding shafts 8 are mounted at the left end and the right end of the rain shield 7, the driven gears 9 which are connected in a key manner are mounted at the two sides of the protruding shaft 8 and are hinged to the inner side of the mounting bracket 6 through the bearing 10, the rack 11 which is connected in a meshed manner is mounted at the middle of the rear end of the driven gear 9, the embedded sliding connection limiting guide block 12 is mounted at the rear end of the rack 11, two groups of driving gears 13 which are connected in a meshed manner are mounted at the top of the front end of the rack 11, and the servo motor 14 which is connected in a key manner is mounted at the middle of the left end is connected through a transmission shaft between the driving gears 13.
The dust absorption interception device 3 comprises an electrostatic filter 15, a handle 16, a replaceable electric contact 17, a fixed electric conduction seat 18, a spring telescopic rod 19, a magnetic rod 20, an air filter element 21 and an insertion hole 22, wherein the handles 16 which are symmetrically distributed are arranged on two sides of the top end of the electrostatic filter 15 and are fixed through bolts, the replaceable electric contact 17 which is symmetrically distributed is arranged in the middle of the left end and the right end of the electrostatic filter 15, the replaceable electric contact 17 is in sliding friction contact with the fixed electric conduction seat 18 on two sides, three groups of spring telescopic rods 19 which are symmetrically distributed are arranged on the other end of the fixed electric conduction seat 18, the magnetic rods 20 which are symmetrically distributed are equidistantly are arranged on the surface of the rear end of the electrostatic filter 15, and the insertion hole 22 on the surface of the air filter element 21 are connected in an inserting mode.
The working principle of the utility model is as follows: when raining, the rainwater enters the rain gauge and then the rain gauge sends a signal to the servo motor to drive the driving gear at the right end to rotate, then the driving gear is meshed with the rack in the rotating process of the driving gear and is converted into horizontal motion of the rack, then the rack is meshed with the driven gear in the moving process and is further converted into horizontal motion of the driven gear and the rain shield, then the angle adjustment of the rain shield is realized, the influence on the running of a fan is avoided, then the circulating air driven by the fan is subjected to double filtration through the electrostatic filter and the air filter, when the electrostatic filter is required to be maintained or the air filter is required to be replaced, the electrostatic filter is taken out through the handle (the replaceable power-on contacts at the two sides of the electrostatic filter are convenient to be quickly installed and detached in a friction contact power supply mode with the fixed conductive seat), and meanwhile the air filter and the electrostatic filter are convenient to replace and install in a magnetic plug-in connection mode, and the operation is simple and fast.
The foregoing is a preferred embodiment of the present utility model, and it will be apparent to those skilled in the art from this disclosure that changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the utility model.
Claims (3)
1. The utility model provides a dustproof rain-proof formula negative pressure fan, includes fan (1), automatic rain-proof baffle (2), dust absorption intercepting device (3), cable (4), rain gauge (5), its characterized in that: the automatic rain-proof baffle (2) is characterized in that the fan (1) is of a quadrilateral rectangular structure, the front end of the fan is provided with a bolt-fixed automatic rain-proof baffle (2), the inner side of the middle of the top end of the automatic rain-proof baffle (2) is provided with a plug-in connection dust adsorption interception device (3) and is connected with a power supply through a cable (4), and two sides of the front end of the automatic rain-proof baffle (2) are provided with symmetrically distributed rain gauges (5) and are fixed through bolts.
2. A dust and rain resistant negative pressure fan as set forth in claim 1, wherein: automatic change rain-proof baffle (2) include installing support (6), weather shield (7), protruding axle (8), driven gear (9), bearing (10), rack (11), spacing guide block (12), driving gear (13), servo motor (14), five groups weather shield (7) are installed for four sides rectangle structures and inboard front end to installing support (6), protruding axle (8) are all installed at both ends about weather shield (7), driven gear (9) of key connection are all installed to protruding axle (8) both sides and are inboard through bearing (10) articulated fixed mounting support (6), rack (11) of meshing connection are installed to driven gear (9) rear end mid-mounting, embedded sliding connection's spacing guide block (12) are installed to rack (11) rear end, two sets of driving gear (13) of meshing connection are installed at rack (11) front end top, connect and left end mid-mounting has key connection's servo motor (14) through the transmission shaft between driving gear (13).
3. A dust and rain resistant negative pressure fan as set forth in claim 1, wherein: the dust absorption interception device (3) comprises an electrostatic filter (15), a handle (16), replaceable energizing contacts (17), fixed conductive seats (18), spring telescopic rods (19), magnetic rods (20), air filter elements (21) and insertion holes (22), wherein the handles (16) which are symmetrically distributed are arranged on two sides of the top end of the electrostatic filter (15) and are fixed through bolts, the replaceable energizing contacts (17) which are symmetrically distributed are arranged in the middle of the left end and the right end of the electrostatic filter (15), the replaceable energizing contacts (17) are in sliding friction contact with the fixed conductive seats (18) on two sides, the spring telescopic rods (19) which are symmetrically distributed in three groups are arranged on the other ends of the fixed conductive seats (18), the magnetic rods (20) which are symmetrically distributed in equal intervals are arranged on the surface of the rear end of the electrostatic filter (15), and the insertion holes (22) on the surface of the air filter elements (21) are connected in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800590.3U CN220910034U (en) | 2023-10-19 | 2023-10-19 | Dustproof rainproof negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800590.3U CN220910034U (en) | 2023-10-19 | 2023-10-19 | Dustproof rainproof negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910034U true CN220910034U (en) | 2024-05-07 |
Family
ID=90915908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322800590.3U Active CN220910034U (en) | 2023-10-19 | 2023-10-19 | Dustproof rainproof negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910034U (en) |
-
2023
- 2023-10-19 CN CN202322800590.3U patent/CN220910034U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |