Air-guiding casing of a ventilation fan
First Claim
Patent Images
1. An air-guiding casing of a ventilation fan, comprising:
- a main body including a base plate and a plurality of side plates arranged at an outer periphery of the base plate, with the base plate and the plurality of side plates together defining a compartment, with the main body further including an inlet in communication with the compartment, with the main body further including an outlet in one of the plurality of side plates, with the outlet being in communication with the compartment, with two opposing wings respectively disposed on two opposite edges of the outlet, with each of the two opposing wings including at least one engaging hole, wherein the two opposing wings are spaced from each other by a first distance in a first direction; and
an air-guiding tube including an engaging end and an outlet end opposite to the engaging end, with two opposing guiding plates disposed on the engaging end of the air-guiding tube, with each of the two opposing guiding plates including at least one hook removably engaged with the at least one engaging hole of one of the two opposing wings, wherein the two opposing guiding plates are spaced from each other by a second distance in the first direction, wherein the second distance is slightly larger than the first distance, wherein the two opposing guiding plates of the air-guiding tube are forcibly engaged between the two opposing wings of the main body, and wherein the two opposing wings of the main body securely clamp the air-guiding tube.
3 Assignments
0 Petitions
Accused Products
Abstract
An air-guiding casing of a ventilation fan includes a main body and an air-guiding tube. The main body forms a compartment and includes an inlet and an outlet. The inlet and the outlet are in communication with the compartment. A first engaging portion is arranged on a part of an edge of the outlet and on one side of the main body. The air-guiding tube has an engaging end and an outlet end opposite to the engaging end. A second engaging portion is arranged on the engaging end. The first and second engaging portions are engaged with each other.
21 Citations
5 Claims
-
1. An air-guiding casing of a ventilation fan, comprising:
-
a main body including a base plate and a plurality of side plates arranged at an outer periphery of the base plate, with the base plate and the plurality of side plates together defining a compartment, with the main body further including an inlet in communication with the compartment, with the main body further including an outlet in one of the plurality of side plates, with the outlet being in communication with the compartment, with two opposing wings respectively disposed on two opposite edges of the outlet, with each of the two opposing wings including at least one engaging hole, wherein the two opposing wings are spaced from each other by a first distance in a first direction; and an air-guiding tube including an engaging end and an outlet end opposite to the engaging end, with two opposing guiding plates disposed on the engaging end of the air-guiding tube, with each of the two opposing guiding plates including at least one hook removably engaged with the at least one engaging hole of one of the two opposing wings, wherein the two opposing guiding plates are spaced from each other by a second distance in the first direction, wherein the second distance is slightly larger than the first distance, wherein the two opposing guiding plates of the air-guiding tube are forcibly engaged between the two opposing wings of the main body, and wherein the two opposing wings of the main body securely clamp the air-guiding tube. - View Dependent Claims (2, 3, 4, 5)
-
Specification