CN211573820U - Low-noise fan for ceiling dehumidifier - Google Patents
Low-noise fan for ceiling dehumidifier Download PDFInfo
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- CN211573820U CN211573820U CN201922464690.7U CN201922464690U CN211573820U CN 211573820 U CN211573820 U CN 211573820U CN 201922464690 U CN201922464690 U CN 201922464690U CN 211573820 U CN211573820 U CN 211573820U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 208000032370 Secondary transmission Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a low noise fan for furred ceiling dehumidifier, it includes motor support, nearly word strip, major axis motor, impeller and spiral case, major axis motor is connected fixedly with nearly word strip, the diameter of air intake is greater than the motor casing diameter of major axis motor, and the transmission is connected with the main drive hub and stretches into in the spiral case on the output shaft of major axis motor, the outer cup joint of main drive hub has from the transmission hub, the impeller has the transmission boss of through-hole, be connected with the through-hole transmission of transmission boss from the transmission hub, transmission boss one end is equipped with the recess, be equipped with the pinhole on the main drive hub, be equipped with corresponding locating hole on the follow transmission shaft, be equipped with the locating pin in pinhole, the locating hole, the locating pin top is located the recess. The utility model discloses a low noise fan for furred ceiling dehumidifier through separately fixing motor and spiral case to reduce the quality that fan fixed connection is in the same place, reduce the influence each other of vibrations, thereby reduce the fan noise.
Description
Technical Field
The utility model relates to a fan, especially a low noise fan for furred ceiling dehumidifier.
Background
The dehumidifier is usually used in the environments with higher requirements on temperature and humidity, such as houses or laboratories, and the like, and the environments generally require silence, so the low-noise requirement is also provided for the dehumidifier.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low noise fan for furred ceiling dehumidifier that simple to operate and noise are low in order to solve above-mentioned prior art not enough.
In order to achieve the purpose, the low noise fan for the suspended ceiling dehumidifier designed by the utility model comprises a motor bracket, a plurality of strips, a long shaft motor, an impeller and a spiral case, wherein the inner width of the spiral case is larger than that of the impeller, the spiral case is provided with two air inlets and an air outlet, a flange plate with a fixed hole is welded on the motor shell of the long shaft motor, the plurality of strips are provided with a limit sleeve, the fixed hole of the flange plate is fixedly connected with the limit sleeve through a bolt, the diameter of the air inlet is larger than that of the motor shell of the long shaft motor, a main transmission hub is connected on the output shaft of the long shaft motor in a transmission way and extends into the spiral case, a secondary transmission hub is sleeved outside the main transmission hub, the impeller comprises a blade cage and a transmission panel arranged in the middle of the blade cage, the transmission panel is provided with a transmission boss with a through hole, a groove is formed in one end of the transmission boss, a pin hole is formed in the main transmission hub, a corresponding positioning hole is formed in the auxiliary transmission hub, positioning pins are arranged in the pin hole and the positioning hole, and the top of each positioning pin is located in the groove; in actual use, the motor bracket fixed with the long-axis motor and the volute are respectively arranged on the shell of the dehumidifier, and the long-axis motor and the volute are respectively fixed, so that the mutual influence of respective vibration is reduced, and the noise is reduced.
In order to ensure that the impeller is reliably fixed in the axial direction, the peripheral surface of the driven hub and the peripheral surface of the through hole of the driving boss are conical surfaces, and the outer diameter of the driven hub is reduced towards one end of the positioning hole.
In order to enable the fan to adapt to the shell sizes of different dehumidifiers, the length of the main transmission hub is larger than that of the transmission boss and the auxiliary transmission hub, and a plurality of pin holes used for being matched with the positioning holes are distributed on the main transmission hub 7.
In order to facilitate the fixation of the volute, a fan fixing plate is arranged outside the air outlet of the volute.
The utility model discloses a low noise fan for furred ceiling dehumidifier through separately fixing motor and spiral case to reduce the quality that fan fixed connection is in the same place, reduce the influence each other of vibrations, thereby reduce the fan noise.
Drawings
Figure 1 is a front view of a low noise fan embodiment 1 of the present invention for a ceiling dehumidifier;
3 FIG. 32 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3; 3
FIG. 3 is an enlarged schematic view at B of FIG. 1;
FIG. 4 is an enlarged schematic view at C of FIG. 2;
fig. 5 is a schematic structural view of a transmission part for connecting an output shaft and an impeller in embodiment 2 of the low-noise fan for the ceiling dehumidifier of the present invention;
fig. 6 is a perspective view of embodiment 2.
In the figure: the fan comprises a motor support 1, a parallel bar 2, a long-axis motor 3, an impeller 4, a volute 5, bolts 6, a main transmission hub 7, a secondary transmission hub 8, positioning pins 9, a limiting sleeve 20, a motor shell 30, a flange plate 31, an output shaft 32, a blade cage 40, a transmission panel 41, a transmission boss 42, an air inlet 50, an air outlet 51, a fan fixing plate 52, pin holes 70, D-shaped holes 71, positioning holes 80, D-shaped shaft sections 320, through holes 420 and grooves 421.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
the low noise fan for the ceiling dehumidifier described in this embodiment, as shown in fig. 1 and 2, includes a motor bracket 1, a plurality of bars 2, a long axis motor 3, an impeller 4, and a volute 5, wherein the width of the inside of the volute 5 is greater than that of the impeller 4, the volute 5 is provided with two air inlets 50 and an air outlet 51, a flange 31 is welded on a motor housing 30 of the long axis motor 3, the plurality of bars 2 are provided with a limit sleeve 20, the flange 31 and the limit sleeve 20 are connected and fixed by bolts 6, the diameter of the air inlet 50 is greater than that of the motor housing 30 of the long axis motor 3, as shown in fig. 4, an output shaft 32 of the long axis motor 3 is connected with a main transmission hub 7 in a transmission manner and extends into the volute 5, the main transmission hub 7 is externally connected with a secondary transmission hub 8, the impeller 4 includes a blade cage 40 and a transmission panel 41 arranged in the middle of the blade cage 40, the transmission panel 41 is provided, the driven transmission hub 8 is in transmission connection with the through hole 420 of the transmission boss 42, a groove 421 is formed in one end of the transmission boss 42, a pin hole 70 is formed in the main transmission hub 7, a corresponding positioning hole 80 is formed in the driven transmission hub 8, positioning pins 9 are arranged in the pin hole 70 and the positioning hole 80, and the tops of the positioning pins 9 are located in the groove 421.
In this embodiment, as shown in fig. 3, a D-shaped shaft section 320 is disposed at an end of the output shaft 32, and a D-shaped hole 71 in transmission fit with the D-shaped shaft section 320 is disposed on the main transmission hub 7.
In this embodiment, the through hole 420 is in interference fit with the driven hub 8.
In the actual installation and use process, the motor bracket 1 fixed with the long-axis motor 3 and the volute 5 are respectively arranged on the shell of the dehumidifier, the long-axis motor 3 and the volute 5 are respectively fixed, so that the mutual influence of respective vibration is reduced, and the noise is reduced, and meanwhile, the long-axis motor 3 and the volute 5 can be separately installed, maintained and replaced due to the respective fixation.
The low-noise fan for the suspended ceiling dehumidifier provided by the embodiment is fixed by separating the motor and the volute 5, so that the quality of the fixed connection of the fan is reduced, the mutual influence of vibration is reduced, the noise of the fan is reduced, and the maintenance and installation are convenient.
Example 2:
as shown in fig. 5, in the low noise blower for a ceiling dehumidifier described in this embodiment, in addition to the features described in embodiment 1, in order to reliably fix the impeller 4 in the axial direction, the outer peripheral surface of the driven hub 8 and the peripheral surface of the through hole 420 of the driving boss 42 are both conical surfaces, and the outer diameter of the driven hub 8 decreases toward the end where the positioning hole 80 is located.
In order to enable the fan to adapt to the shell sizes of different dehumidifiers, as shown in fig. 5, the length of the main transmission hub 7 is greater than the lengths of the transmission boss 42 and the auxiliary transmission hub 8, and a plurality of pin holes 70 for matching with the positioning holes 80 are distributed on the main transmission hub 7.
In order to fix the volute 5 conveniently, as shown in fig. 6, a fan fixing plate 52 is disposed outside the air outlet 51 of the volute 5.
In the low-noise fan for the ceiling dehumidifier provided by the embodiment, in the actual installation process, the positioning pin 9 penetrates through the positioning hole 80 and is inserted into different pin holes 70, so that the relative distance between the impeller 4 and the long-axis motor 3 can be changed, different installation distances can be provided between the volute 5 and the motor support 1, and the fan can be ensured to be suitable for dehumidifiers shells with different sizes.
Claims (5)
1. A low-noise fan for a suspended ceiling dehumidifier comprises a motor support (1), a n-shaped bar (2), a long shaft motor (3), an impeller (4) and a volute (5), and is characterized in that the internal width of the volute (5) is larger than that of the impeller (4), the volute (5) is provided with two air inlets (50) and an air outlet (51), a flange (31) with a fixing hole is welded on a motor shell (30) of the long shaft motor (3), the n-shaped bar (2) is fixed on the motor support (1), a limiting sleeve (20) is arranged on the n-shaped bar (2), the fixing hole of the flange (31) is fixedly connected with the limiting sleeve (20) through a bolt (6), the diameter of the air inlet (50) is larger than that of the motor shell (30) of the long shaft motor (3), an output shaft (32) of the long shaft motor (3) is in transmission connection with a main transmission hub (7) and extends into the volute (5), main transmission hub (7) outer cup joint has from transmission hub (8), impeller (4) include blade cage (40) and set up transmission panel (41) in the middle of blade cage (40), be equipped with transmission boss (42) that have through-hole (420) on transmission panel (41), be connected with the through-hole (420) transmission of transmission boss (42) from transmission hub (8), transmission boss (42) one end is equipped with recess (421), be equipped with pinhole (70) on main transmission hub (7), be equipped with corresponding locating hole (80) on transmission hub (8), be equipped with locating pin (9) in pinhole (70), locating hole (80), locating pin (9) top is located recess (421).
2. The low noise blower for the ceiling dehumidifier according to claim 1, wherein the peripheral surface of the driven hub (8) and the peripheral surface of the through hole (420) of the driving boss (42) are both conical surfaces, and the direction of the reduction of the outer diameter of the driven hub (8) is toward the end where the positioning hole (80) is located.
3. The low noise blower for the ceiling dehumidifier according to claim 1 or 2, wherein the length of the main driving hub (7) is greater than the length of the driving boss (42) and the driven hub (8), and a plurality of pin holes (70) for matching with the positioning holes (80) are distributed on the main driving hub (7).
4. The low noise blower for the ceiling dehumidifier according to claim 1 or 2, wherein the blower fixing plate (52) is provided outside the outlet (51) of the volute (5).
5. A low noise blower for a ceiling dehumidifier as claimed in claim 3 wherein a blower mounting plate (52) is provided outside the outlet (51) of the volute (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464690.7U CN211573820U (en) | 2019-12-31 | 2019-12-31 | Low-noise fan for ceiling dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464690.7U CN211573820U (en) | 2019-12-31 | 2019-12-31 | Low-noise fan for ceiling dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573820U true CN211573820U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922464690.7U Active CN211573820U (en) | 2019-12-31 | 2019-12-31 | Low-noise fan for ceiling dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628200A (en) * | 2020-12-30 | 2021-04-09 | 江苏沃得农业机械股份有限公司 | Harvester fan structure |
-
2019
- 2019-12-31 CN CN201922464690.7U patent/CN211573820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628200A (en) * | 2020-12-30 | 2021-04-09 | 江苏沃得农业机械股份有限公司 | Harvester fan structure |
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