A building ventilation device

Abstract

The utility model discloses a building ventilation device, which relates to the technical field of building ventilation, and comprises a frame, wherein the frame is used to be installed at an air vent in a building, a guide groove is penetrated through the middle end of the frame, and a guide fan is installed in the guide groove; the left and right ends of the guide groove are respectively connected with an auxiliary plate and a baffle plate by rotation through a torsion spring, when the guide fan is closed, the thrust between the baffle plate and the auxiliary plate disappears, and then the torsion spring drives the baffle plate and the auxiliary plate to reset, so that the guide groove can be closed, and external air or other objects can be prevented from entering the interior of the building through the guide groove when not in use; and the guide wheel drives the first connecting rod to rotate while rotating, and the first connecting rod pushes the striking plate to move through the second connecting rod, and the striking plate can apply power to beat the filter screen, so that the dust on the filter screen falls into the inside of the dust collecting pipe, so that the filter screen can be automatically cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of building ventilation, in particular to a building ventilation device. Background Art

[0002] In the prior art, a guide fan is installed inside a duct, and the guide fan is operated to draw external air into the building to ventilate the building. When the duct is in operation, both ends of the duct are open, and external air or objects can easily enter the building through there. Utility Model Content

[0003] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a building ventilation device.

[0004] The utility model is achieved in that a building ventilation device is constructed, the device comprises a frame, the frame is used to be installed at the vent in the building, a guide groove is penetrated through the middle end of the frame, a guide fan is installed in the guide groove; the left and right ends of the guide groove are respectively rotatably connected with an auxiliary plate and a blocking plate through a torsion spring, a guide frame is fixedly connected in the guide groove, and the guide frame blocks the guide groove, an air inlet pipe is embedded and fixedly provided in the side wall of the guide frame, an air outlet pipe is embedded and fixedly provided in the side wall of the other end of the guide frame, a guide wheel is rotatably connected in the air inlet pipe, the air inlet pipe is communicated with the guide frame through the air inlet, and the external air enters the guide frame through the air inlet pipe and flows through the air outlet pipe.

[0005] In a feasible implementation, the connection between the guide frame and the air outlet pipe is connected to the filter screen via a spring, and a rubber layer is provided on the side wall of one end of the filter screen close to the air outlet pipe.

[0006] In a feasible implementation, a dust collecting pipe for collecting dust is provided on the frame directly below the filter screen, and a pipe cover is threadedly connected to the surface of the dust collecting pipe.

[0007] In a feasible implementation, the center of the guide wheel is fixedly connected to the first connecting rod, and the other end of the first connecting rod is rotatably connected to the second connecting rod.

[0008] In a feasible implementation, the other end of the second connecting rod is rotatably connected to the striking plate, and the striking plate is slidably connected to the inner side wall of the guide frame.

[0009] The utility model has the following advantages: The utility model provides a building ventilation device through improvement, which has the following improvements compared with the same type of equipment:

[0010] The utility model discloses a building ventilation device, when the guide fan is closed, the thrust between the baffle plate and the auxiliary plate disappears, and then the torsion spring drives the baffle plate and the auxiliary plate to reset, so that the guide groove can be closed, to prevent external air or other objects from entering the interior of the building through the guide groove when not in use; and the guide wheel drives the first connecting rod to rotate while rotating, and the first connecting rod pushes the striking plate to move through the second connecting rod, and the striking plate can apply power to beat the filter screen, so that the dust on the filter screen falls into the dust collecting pipe, so that the filter screen can be automatically cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 The utility model Figure 1 A is an enlarged structural diagram;

[0013] Figure 3 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] The following will be combined with the attached Figure 1-Figure 3 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are made clear. The complete description is obvious. The described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0017] See also Figures 1 to 3The utility model is a building ventilation device, the frame 1 is used to be installed at the vent in the building, the middle end of the frame 1 is penetrated by a guide groove 2, the guide groove 2 is the main channel for air flow, a guide fan 6 is installed in the guide groove 2, the guide fan 6 is connected to an external power supply, and is responsible for driving the air flow, the left and right ends of the guide groove 2 are respectively connected with an auxiliary plate 5 and a baffle plate 3 through a torsion spring 4 for rotation, when the air flows, the auxiliary plate 5 and the baffle plate 3 can be pushed to expand, and when the air does not flow, the auxiliary plate 5 and the baffle plate 3 can be powered by the torsion spring 4 to reset and thereby close the guide groove 2.

[0018] A guide frame 7 is fixedly connected in the guide groove 2, and the guide frame 7 blocks the guide groove 2. An air inlet pipe 8 is embedded and fixedly provided in the side wall of the guide frame 7, and an air outlet pipe 11 is embedded and fixedly provided in the side wall of the other end of the guide frame 7. A guide wheel 9 is rotatably connected in the air inlet pipe 8. The air inlet pipe 8 is communicated with the guide frame 7 through the air inlet port 10, and the external air enters the guide frame 7 through the air inlet pipe 8 and flows through the air outlet pipe 11.

[0019] The connection between the guide frame 7 and the air outlet pipe 11 is connected to the filter screen 12 through a spring 13, and the side wall of the filter screen 12 at one end close to the air outlet pipe 11 is provided with a rubber layer, so that there is no gap between the filter screen 12 and the air outlet pipe 11, that is, air can pass through the filter screen 12. When the building needs to be ventilated, the guide fan 6 is started, and drives the external air to pass through the guide groove 2, and pushes the baffle plate 3 to rotate, and the air initially enters the interior of the air inlet pipe 8, and then drives the guide wheel 9 to rotate, and then the air enters the interior of the guide frame 7 through the air inlet 10, and then enters the interior of the air outlet pipe 11 after being filtered by the filter screen 12, and pushes the auxiliary plate 5 to rotate and enter the interior of the building, and when the guide fan 6 is closed, the thrust between the baffle plate 3 and the auxiliary plate 5 disappears, and then the torsion spring 4 drives the baffle plate 3 and the auxiliary plate 5 to reset, so that the guide groove 2 can be closed, so as to prevent external air or other objects from entering the interior of the building through the guide groove 2 when not in use;

[0020] The frame 1 is provided with a dust collecting pipe 14 for collecting dust directly below the filter 12, and a pipe cover 15 is threadedly connected to the surface of the dust collecting pipe 14. The center of the guide wheel 9 is fixedly connected to the first connecting rod 91, and the other end of the first connecting rod 91 is rotatably connected to the second connecting rod 92. The first connecting rod 91, the second connecting rod 92 and the striking plate 93 are located in the guide frame 7, and the other end of the second connecting rod 92 is rotatably connected to the striking plate 93, and the striking plate 93 is slidingly connected to the inner wall of the guide frame 7. When working, the guide wheel 9 drives the first connecting rod 91 to rotate while rotating, and the first connecting rod 91 pushes the striking plate 93 to move through the second connecting rod 92. The striking plate 93 can also apply power to beat the filter 12, so that the dust on the filter 12 falls into the dust collecting pipe 14, which is convenient for automatic cleaning of the filter 12.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0022] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A building ventilation device, comprising a frame, the frame is used to be installed at a vent in a building, a guide groove is provided through the middle end of the frame, and a guide fan is installed in the guide groove; Features The left and right ends of the guide groove are rotatably connected with an auxiliary plate and a blocking plate through a torsion spring respectively. A guide frame is fixedly connected in the guide groove, and the guide frame blocks the guide groove. An air inlet pipe is embedded and fixedly provided on the side wall of the guide frame, and an air outlet pipe is embedded and fixedly provided on the side wall of the other end of the guide frame. A guide wheel is rotatably connected in the air inlet pipe. The air inlet pipe is communicated with the guide frame through the air inlet port, and external air enters the guide frame through the air inlet pipe and flows through the air outlet pipe.

2. A building ventilation device according to claim 1, characterized in that: The connection between the guide frame and the air outlet pipe is connected to the filter screen through a spring, and a rubber layer is provided on the side wall of one end of the filter screen close to the air outlet pipe.

3. A building ventilation device according to claim 2, characterized in that: The frame is provided with a dust collecting pipe for collecting dust just below the filter screen, and a pipe cover is threadedly connected to the surface of the dust collecting pipe.

4. A building ventilation device according to claim 3, characterized in that: The center of the guide wheel is fixedly connected to the first connecting rod, and the other end of the first connecting rod is rotatably connected to the second connecting rod.

5. A building ventilation device according to claim 4, characterized in that: The other end of the second connecting rod is rotatably connected to the striking plate, and the striking plate is slidably connected to the inner side wall of the guide frame.

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