CN212508926U - Ventilation unit convenient to clearance flabellum - Google Patents
Ventilation unit convenient to clearance flabellum Download PDFInfo
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- CN212508926U CN212508926U CN202021293860.6U CN202021293860U CN212508926U CN 212508926 U CN212508926 U CN 212508926U CN 202021293860 U CN202021293860 U CN 202021293860U CN 212508926 U CN212508926 U CN 212508926U
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- support plate
- arc
- fan assembly
- front support
- positioning pin
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Abstract
The utility model discloses a ventilation device convenient for cleaning fan blades, which comprises a shell, an air inlet, an air outlet, a fan assembly and a motor, wherein the air inlet, the air outlet and the fan assembly are arranged on the shell, the motor is used for driving the fan assembly to rotate, the fan assembly comprises a rear support plate and a front support plate, the rear support plate and the front support plate are connected through a plurality of positioning pin groups which are circumferentially distributed, and each positioning pin group comprises a first positioning pin and a second positioning pin; a plurality of rotatable arc plates are arranged between the rear support plate and the front support plate, and an outer support plate used for fixing the arc plates is arranged outside the front support plate through screws. When the arc-shaped plates are enclosed to form a cylinder shape connected end to end, the outer side and the inner side of the arc-shaped plates only need to be cleaned by using the brushes, so that the cleaning is more convenient; when the arc-shaped plate is in a fan-blade shape, the device is a ventilation device and can be used for normal ventilation work.
Description
Technical Field
The utility model belongs to the technical field of ventilation unit, concretely relates to ventilation unit convenient to clearance flabellum.
Background
The ventilating device comprises a ventilator, an air blower and a wind driven generator, wherein the fan is mechanical energy which depends on input, the gas pressure is improved, gas is exhausted, the ventilating device is used, fan blades are easily contaminated by dust, the ventilating device is difficult to clean due to the fact that the fan blades are irregular in shape, and therefore the ventilating device which can solve the problems and is convenient to clean the fan blades is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a ventilation unit convenient to clearance flabellum can realize clearing up convenient ventilation unit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ventilation device convenient for cleaning fan blades comprises a shell, an air inlet, an air outlet, a fan assembly and a motor, wherein the air inlet, the air outlet and the fan assembly are formed in the shell, the motor is used for driving the fan assembly to rotate, the fan assembly comprises a rear supporting plate and a front supporting plate, the rear supporting plate and the front supporting plate are connected through a plurality of positioning pin groups distributed circumferentially, and each positioning pin group comprises a first positioning pin and a second positioning pin;
install the rotatable arc of a plurality of between back extension board and the preceding extension board, the outside of preceding extension board is installed through the screw and is used for the outer backup pad of fixed arc, and when the bottom of arc supported tightly on first locating pin: the shape that a plurality of arc encloses to close and forms is cylindric, and when the bottom of arc supported tightly on first locating pin: the fan assembly is in the shape of a fan blade.
Preferably, a penetrating shaft is fixedly mounted at the center of the arc-shaped plate, one end of the penetrating shaft extends to the outer portion of the front support plate and is fixedly provided with a clamping strip, and a clamping groove used for clamping the clamping strip is formed in the side wall, close to the front support plate, of one side of the outer support plate.
Preferably, the clamping groove comprises a groove in a circular shape and short grooves which are distributed in the circumferential direction and are obliquely arranged to be matched with the clamping strips, and the short grooves and the groove are intersected with each other.
Preferably, when the shape that a plurality of arcs enclose to close is cylindric, a plurality of arcs end to end.
Preferably, a damping ring sleeved outside the penetrating shaft is installed inside the front support plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the fan assembly of the utility model is circumferentially provided with a plurality of rotatable arc plates, when the arc plates are enclosed to form a cylinder shape with end-to-end connection, the outer side and the inner side of the arc plates only need to be cleaned by using the brush, and the cleaning is more convenient; when the fan assembly is in a fan blade shape, the device is a ventilation device and can be used for normal ventilation work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a fan assembly according to the present invention;
FIG. 3 is a schematic structural view of another embodiment of the fan assembly of the present invention;
FIG. 4 is a connection diagram of the outer supporting plate and the front supporting plate of the present invention;
fig. 5 is a schematic structural view of the outer supporting plate of the present invention;
fig. 6 is an internal cross-sectional view of the fan assembly of the present invention.
Description of reference numerals:
1. the fan assembly comprises a shell, 2, an air outlet, 3, a protection plate, 4, an air inlet, 5, a fan assembly, 51, a rear support plate, 52, an outer support plate, 521, a clamping groove, 53, an arc-shaped plate, 54, a front support plate, 55, a screw, 56, a clamping strip, 57, a through shaft, 58, a first positioning pin, 59 and a second positioning pin.
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.
As shown in fig. 1 to 6, a ventilation device convenient for cleaning fan blades comprises a housing 1, an air inlet 4, an air outlet 2, a fan assembly 5 and a motor for driving the fan assembly 5 to rotate, wherein the air inlet 4, the air outlet 2, the fan assembly 5 and the motor are arranged on the housing 1, the motor drives the fan assembly 5 to rotate, air can enter from the air inlet 4 and be discharged from the air outlet 2 when the fan assembly 5 rotates, the fan assembly 5 comprises a rear support plate 51 and a front support plate 54, the rear support plate 51 and the front support plate 54 are connected through a plurality of circumferentially distributed positioning pin sets, each positioning pin set comprises a first positioning pin 58 and a second positioning pin 59, and the positioning pins can be used for positioning and can also be used for connecting the two support plates;
a plurality of rotatable arc plates 53 are arranged between the rear support plate 51 and the front support plate 54, a through shaft 57 is fixedly arranged at the center of the arc plates 53, one end of the through shaft 57 extends to the outside of the front support plate 54 and is fixedly provided with a clamping strip 56, the arc plates 53 can drive the through shaft 57 and the clamping strip 56 to rotate together in the rotating process, the limiting clamping strip 56 is equivalent to the limiting arc plate 53, a damping ring sleeved outside the through shaft 57 is arranged inside the front support plate 54 and can ensure that the rotation angle of the arc plates 53 cannot be easily changed after the arc plates 53 are broken, an outer support plate 52 used for fixing the arc plates 53 is arranged outside the front support plate 54 through a screw 55, a clamping groove 521 used for clamping the clamping strip 56 is formed in the side wall of the outer support plate 52 close to the front support plate 54, and the clamping groove 521 comprises a groove with a circular shape and a groove distributed circumferentially, The short grooves matched with the clamping strips 56 are obliquely arranged and are mutually crossed, and when the bottom of the arc-shaped plate 53 is tightly pressed on the first positioning pin 58: the shape that closes and form is cylindric for a plurality of arc 53, and the shape that closes and form is cylindric when a plurality of arc 53 encloses, and a plurality of arc 53 end to end supports when tight on first locating pin 58 in the bottom of arc 53: the arc plates 53 are fan-shaped, when the clamping strips 56 are clamped into the circular grooves, the arc plates 53 can be connected end to end, when the clamping strips 56 are clamped into the corresponding short grooves, the arc plates 53 are obliquely arranged, and the fan assembly is fan-shaped and can be used for ventilation.
During the use, install fan assembly 5 inside casing 1, and install on the casing 1 lateral wall through protection shield 3, income wind gap 4 sets up the middle part at protection shield 3, it is gaseous from air outlet 2 discharge to inhale from income wind gap 4 when this device of motor start, can mainly be infected with on fan assembly 5's flabellum at exhaust in-process dust, when needs clear up the flabellum, only need dismantle the back with outer fagging 52, rotate a plurality of arcs 53 in proper order, it is cylindric to make arcs 53 end to end enclose close, it can to clear up it through the brush, after the clearance is accomplished, return the normal position with arcs 53, can reuse, this device need not to dismantle its whole when clearing up the flabellum, the clearance is convenient.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a ventilation unit convenient to clearance flabellum which characterized in that: the fan assembly comprises a shell (1), an air inlet (4), an air outlet (2), a fan assembly (5) and a motor for driving the fan assembly (5) to rotate, wherein the air inlet (4), the air outlet (2), the fan assembly (5) and the motor are arranged on the shell (1), the fan assembly (5) comprises a rear support plate (51) and a front support plate (54), the rear support plate (51) and the front support plate (54) are connected through a plurality of positioning pin sets which are distributed circumferentially, and each positioning pin set comprises a first positioning pin (58) and a second positioning pin (59);
a plurality of rotatable arc plates (53) are arranged between the rear support plate (51) and the front support plate (54), an outer support plate (52) used for fixing the arc plates (53) is arranged outside the front support plate (54) through a screw (55), and when the bottom of the arc plates (53) is abutted against a first positioning pin (58): the shape that a plurality of arc (53) enclose to close is cylindric, and when the bottom of arc (53) supported tightly on first locating pin (58): the fan assembly (5) is in the shape of a fan blade.
2. The ventilation device convenient to clean fan blades of claim 1, wherein a through shaft (57) is fixedly installed at the center of the arc-shaped plate (53), one end of the through shaft (57) extends to the outside of the front support plate (54) and is fixedly provided with a clamping strip (56), and a clamping groove (521) for clamping the clamping strip (56) is formed in the side wall of the outer support plate (52) close to one side of the front support plate (54).
3. The ventilating device for facilitating fan blade cleaning according to claim 2, wherein the locking groove (521) comprises a circular groove and short grooves which are distributed circumferentially and obliquely and are matched with the locking strips (56), and the short grooves and the grooves are intersected with each other.
4. The ventilating device convenient for cleaning fan blades of claim 3, wherein when the shape enclosed by the plurality of arc-shaped plates (53) is cylindrical, the plurality of arc-shaped plates (53) are connected end to end.
5. The ventilating device for facilitating fan blade cleaning according to claim 4, wherein the damping ring sleeved outside the through shaft (57) is installed inside the front support plate (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293860.6U CN212508926U (en) | 2020-07-03 | 2020-07-03 | Ventilation unit convenient to clearance flabellum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293860.6U CN212508926U (en) | 2020-07-03 | 2020-07-03 | Ventilation unit convenient to clearance flabellum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508926U true CN212508926U (en) | 2021-02-09 |
Family
ID=74433178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021293860.6U Active CN212508926U (en) | 2020-07-03 | 2020-07-03 | Ventilation unit convenient to clearance flabellum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508926U (en) |
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2020
- 2020-07-03 CN CN202021293860.6U patent/CN212508926U/en active Active
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