CN217002364U - Waterproof structure for fan - Google Patents
Waterproof structure for fan Download PDFInfo
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- CN217002364U CN217002364U CN202123158796.8U CN202123158796U CN217002364U CN 217002364 U CN217002364 U CN 217002364U CN 202123158796 U CN202123158796 U CN 202123158796U CN 217002364 U CN217002364 U CN 217002364U
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- waterproof
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Abstract
The utility model discloses a waterproof structure for a fan, which comprises a control box arranged on a fan shell, wherein the control box comprises a base fixedly connected with the fan shell and a box cover arranged on the base, a cavity on the inner side of the base can be divided into a core cavity and a connecting cavity, a control circuit board is arranged in the core cavity, the connecting cavity is connected with the core cavity through a first connecting hole, a second connecting hole is arranged on the connecting side of the connecting cavity and a motor working cavity in the fan shell, a third connecting hole communicated with the outside is arranged at the bottom of the connecting cavity, a circuit of the control circuit board is connected with the motor and an outer circuit in the core cavity, a waterproof groove is arranged at the bottom of the box cover in a surrounding mode corresponding to the periphery of the core cavity, a waterproof clamping block is arranged at the position, corresponding to the waterproof groove, and the waterproof clamping block is matched with the waterproof groove to improve the waterproof effect of the core cavity.
Description
Technical Field
The utility model relates to the field of fans, in particular to a waterproof structure for a fan.
Background
Centrifugal fan is used widely in industry and civilian field, and centrifugal fan uses under outdoor use or some higher environment of humidity, and it is very critical that structures such as the inside circuit board of fan carry out waterproof protection processing, and the general way on the market is to install waterproof sealing washer additional at each circuit access & exit, but such design installation just is more difficult relatively, consequently needs a waterproof construction for fan of installation simple, water-proof effects is good.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a waterproof structure for a fan, which is simple to install and good in waterproof effect.
The utility model provides a waterproof structure for a fan, which comprises a control box arranged on a fan shell, wherein the control box comprises a base fixedly connected with the fan shell and a box cover arranged on the base, a cavity body on the inner side of the base can be divided into a core cavity and a connecting cavity, a control circuit board is arranged in the core cavity, the connecting cavity is connected with the core cavity through a first connecting hole, a second connecting hole is arranged on the connecting side of the connecting cavity and a motor working cavity in the fan shell, a third connecting hole communicated with the outside is arranged at the bottom of the connecting cavity, a circuit of the control circuit board is connected with the motor and an outer circuit in the core cavity, a waterproof groove is arranged at the bottom of the box cover corresponding to the periphery of the core cavity in a surrounding manner, and a waterproof clamping block is arranged at the top of the side surface of the core cavity and corresponding to the waterproof groove, the waterproof effect of the core cavity is improved by matching the waterproof groove with the waterproof clamping block.
Preferably, a waterproof sealing ring is arranged in the waterproof groove, and the waterproof effect between the waterproof groove and the waterproof clamping block is improved through the waterproof sealing ring.
Preferably, a switch hole is further formed in the position, corresponding to the core cavity, of the box cover, and a switch penetrates through the switch hole and is connected with the control circuit board in the core cavity.
Preferably, the core cavity with be provided with a plurality of connecting thread post in the connecting cavity, be provided with on the lid with the connecting thread hole of connecting thread post adaptation, through screwed connection connecting thread post and connecting thread hole, thereby will the lid with base fixed connection.
Preferably, the bottom of the connecting cavity is also provided with a drain hole.
Preferably, the drain hole is an inclined hole.
The waterproof structure for the fan has the beneficial effects that:
1. through dividing core chamber and connecting chamber two parts, carry out water repellent to core chamber wherein, and do not carry out water repellent to connecting the chamber to can be when guaranteeing water-proof effects, can also make the installation simple relatively, thereby can reduce the human cost.
2. Through set up the wash port in connecting the chamber bottom, can effectual discharge and connect possible ponding in the chamber.
3. Through setting up waterproof groove, waterproof fixture block and set up waterproof sealing ring between the two, can bring fine water-proof effects for the core chamber.
Drawings
FIG. 1 is a schematic structural view of a waterproof structure for a blower according to the present invention;
FIG. 2 is a schematic structural view of a waterproof structure for a blower according to the present invention;
fig. 3 is a schematic structural view of a box cover of the waterproof structure for a blower according to the present invention;
reference numbers in the figures: 1. the fan comprises a fan shell, 2, a base, 3, a box cover, 4, a control circuit board, 5, a switch, 6, a core cavity, 7, a connecting cavity, 8, a waterproof sealing ring, 21, a connecting threaded column, 22, a first connecting hole, 23, a second connecting hole, 24, a third connecting hole, 25, a drain hole, 26, a waterproof clamping block, 31, a connecting threaded hole, 32, a waterproof groove, 33 and a switch hole.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 3, an embodiment of a waterproof structure for a blower according to the present invention is provided:
a waterproof structure for a fan comprises a control box arranged on a fan shell.
The control box comprises a base 2 fixedly connected with the fan shell 1 and a box cover 3 arranged on the base 2. The cavity in the inner side of the base 2 can be divided into a core cavity 6 and a connecting cavity 7, a plurality of connecting thread columns 21 are arranged in the core cavity 6 and the connecting cavity 7, the box cover 3 is provided with connecting thread holes 31 matched with the connecting thread columns 21, and the connecting thread columns 21 and the connecting thread holes 31 are connected through screws so as to fixedly connect the box cover 3 with the base 2.
The bottom of the box cover 3 is provided with a waterproof groove 32 corresponding to the periphery of the core cavity 6 in a surrounding way, and the top of the side surface of the core cavity 6 is provided with a waterproof clamping block 26 corresponding to the waterproof groove 32. The waterproof sealing ring 8 is arranged in the waterproof groove 32, and the waterproof effect between the waterproof groove 32 and the waterproof clamping block 26 is improved through the waterproof sealing ring 8.
The position of the box cover 3 corresponding to the core cavity 6 is also provided with a switch hole 33, and the switch 5 passes through the switch hole 33 and is connected with the control circuit board 4 in the core cavity 6
The bottom of the connecting cavity 7 is also provided with a drain hole 25 which is an inclined hole.
The waterproof structure for the fan has the beneficial effects that:
1. through dividing core chamber 6 and connecting chamber 7 two parts, carry out water repellent to core chamber 6 wherein, and do not carry out water repellent to connecting chamber 7 to can guarantee the water-proof effects while, can also make installation and maintenance simple relatively, thereby can reduce the human cost.
2. By providing the drain hole 25 at the bottom of the connection chamber 7, possible water accumulation in the connection chamber 7 can be effectively drained.
3. Through setting up waterproof groove 32, waterproof fixture block 26 and set up waterproof sealing ring 8 between the two, can bring fine water-proof effects for core cavity 6.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A waterproof structure for a fan is characterized by comprising a control box arranged on a fan shell, wherein the control box comprises a base fixedly connected with the fan shell and a box cover arranged on the base, a cavity body on the inner side of the base can be divided into a core cavity and a connecting cavity, a control circuit board is arranged in the core cavity, the connecting cavity is connected with the core cavity through a first connecting hole, a second connecting hole is arranged on the connecting side of the connecting cavity and a motor working cavity in the fan shell, a third connecting hole communicated with the outside is arranged at the bottom of the connecting cavity, a circuit of the control circuit board is connected with the motor and an outer circuit in the core cavity, waterproof grooves are arranged at the bottom of the box cover in a surrounding mode corresponding to the periphery of the core cavity, and waterproof clamping blocks are arranged at positions corresponding to the waterproof grooves at the top of the side surface of the core cavity, the waterproof effect of the core cavity is improved by matching the waterproof groove with the waterproof clamping block.
2. The waterproof structure for the fan according to claim 1, wherein a waterproof seal ring is provided in the waterproof groove, and a waterproof effect between the waterproof groove and the waterproof fixture block is improved by the waterproof seal ring.
3. The waterproof structure for the fan as claimed in claim 1, wherein a switch hole is further formed in a position of the box cover corresponding to the core cavity, and a switch penetrates through the switch hole and is connected with the control circuit board in the core cavity.
4. The waterproof structure for the fan as claimed in claim 1, wherein a plurality of connecting threaded columns are arranged in the core cavity and the connecting cavity, a connecting threaded hole matched with the connecting threaded column is formed in the box cover, and the connecting threaded column and the connecting threaded hole are connected through screws so that the box cover is fixedly connected with the base.
5. The waterproof structure for the fan as claimed in claim 1, wherein a drain hole is further formed at the bottom of the connection cavity.
6. The waterproof structure for a blower according to claim 5, wherein the drain hole is an inclined hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123158796.8U CN217002364U (en) | 2021-12-15 | 2021-12-15 | Waterproof structure for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123158796.8U CN217002364U (en) | 2021-12-15 | 2021-12-15 | Waterproof structure for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002364U true CN217002364U (en) | 2022-07-19 |
Family
ID=82383850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123158796.8U Active CN217002364U (en) | 2021-12-15 | 2021-12-15 | Waterproof structure for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002364U (en) |
-
2021
- 2021-12-15 CN CN202123158796.8U patent/CN217002364U/en active Active
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