Ventilation device for ventilation engineering

Abstract

The utility model relates to the technical field of ventilation engineering, in particular to a ventilation device for ventilation engineering, which comprises a ventilation pipeline, a fan is mounted in the front end of the ventilation pipeline, and a plurality of pipelines extend from the tail end of the ventilation pipeline. A rotating shaft extending into the corresponding pipeline is rotationally arranged on each pipeline at the tail end of the ventilation pipeline, splitter blades are fixed to the rotating shafts, a plurality of air cylinders corresponding to the multiple pipelines are arranged on the ventilation pipeline, and L-shaped rotating plates are hinged to the output ends of the air cylinders; the tail end of the L-shaped rotating plate is fixed to the periphery of the outer end of the rotating shaft. The air cylinder stretches out and draws back, the L-shaped rotating plate can drive the rotating shaft to rotate, the rotating shaft can drive the splitter blades to rotate, the angle of the splitter blades can be flexibly adjusted, then the air volume in each branch can be adjusted according to actual requirements, and it is ensured that all areas obtain appropriate ventilation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation engineering technical field, concretely is a ventilation and air exchange device for ventilation engineering. BACKGROUND

[0002] Ventilation engineering is an important aspect in the field of building environment control, and the main purpose is to ensure indoor air quality (IAQ) by designing, installing and maintaining appropriate systems to provide a healthy and comfortable environment for occupants.

[0003] In the ventilation engineering, a fan is usually installed in the pipeline for ventilation and air exchange, and the pipeline is branched to distribute air to different areas or rooms. However, it is inconvenient to adjust the air volume distribution of each branch according to actual needs during distribution, and the practicability is poor. SUMMARY

[0004] In view of the shortcomings of the prior art, the utility model provides a ventilation and air exchange device for ventilation engineering, which has the advantages of convenient and flexible adjustment of air volume of branch pipes, and solves the problem of inconvenient adjustment of air volume distribution of each branch according to actual needs during distribution, and poor practicability.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a ventilation and air exchange device for ventilation engineering, comprising a ventilation pipeline, a fan is installed in the front end of the ventilation pipeline, a plurality of pipelines are extended from the end of the ventilation pipeline, a rotating shaft extending into the corresponding pipeline is rotatably arranged on each pipeline at the end of the ventilation pipeline, and a shunt blade is fixed on the rotating shaft. The rotating shaft can drive the shunt blade to rotate, so that the air volume in each branch can be adjusted according to actual needs to ensure that each area obtains appropriate ventilation.

[0006] Further, a plurality of air cylinders corresponding to the plurality of pipelines are arranged on the ventilation pipeline, the output end of the air cylinder is hinged with an L-shaped rotating plate, and the end of the L-shaped rotating plate is fixed around the outer end of the rotating shaft. The air cylinder can be extended and retracted, and the L-shaped rotating plate can drive the rotating shaft to rotate, so as to adjust the angle of the shunt blade.

[0007] Further, a U-shaped bracket is fixed on the ventilation pipeline, and a plurality of air cylinders are respectively hinged above the corresponding pipelines on the U-shaped bracket. The installation space of the air cylinder is provided by the U-shaped bracket, so that the ventilation device can be more conveniently installed and disassembled, and the maintenance work in the later stage is also facilitated.

[0008] Further, a filter screen is detachably installed at the inlet of the ventilation pipeline. By arranging the filter screen, dust, particulate matter and other pollutants entering the ventilation device can be effectively intercepted, so as to ensure that the air entering the indoor is cleaner and healthier.

[0009] Further, two mounting racks are fixed in the ventilation pipeline, and the two ends of the filter screen are fixed on the mounting racks through fastening screws.

[0010] Further, an installation plate is fixed in the U-shaped space of the mounting rack, a limiting rod is fixed on the installation plate, and a limiting groove corresponding to the limiting rod is formed on the filter screen.

[0011] Further, a positioning spring and a limiting plate are sleeved outside the limiting rod, and the positioning spring is arranged between the limiting plate and the installation plate.

[0012] Further, the limiting rod is in T-shaped.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] 1. The ventilation and air exchange device for ventilation engineering can split the air into different areas through multiple pipelines, and the rotating shaft can drive the split blades to rotate during air conveying, so that the air volume in each branch can be adjusted according to actual needs, the proper ventilation of each area is ensured, the energy efficiency and adaptability of the system are improved, and a more comfortable and energy-saving indoor environment is provided for users.

[0015] 2. The ventilation and air exchange device for ventilation engineering can effectively intercept dust, particulate matter and other pollutants entering the ventilation device through the filter screen, so that the air entering the indoor environment is cleaner and healthier.

[0016] 3. The ventilation and air exchange device for ventilation engineering can be easily removed from the ventilation pipeline for maintenance and cleaning, and the limiting rod, the positioning spring and the limiting plate can also realize accurate positioning during installation of the filter screen, thereby improving the installation and dismounting efficiency of the limiting rod. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2 is a front view of the utility model structure;

[0019] Figure 3It is the structure schematic view of the rotating shaft and the shunt vane in the utility model.

[0020] Figure 4 It is the structure schematic view of the limiting rod, the positioning spring and the limiting plate in the utility model.

[0021] In the drawing: 1, ventilation duct; 2, fan; 3, rotating shaft; 4, shunt vane; 5, air cylinder; 6, L-shaped rotating plate; 7, U-shaped frame; 8, filter screen; 9, mounting bracket; 10, fastening screw; 11, mounting plate; 12, limiting rod; 13, positioning spring; 14, limiting plate; 15, limiting slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The ventilation and air exchange device for ventilation engineering in the embodiment comprises a ventilation duct 1, a fan 2 is installed in the front end of the ventilation duct 1, a plurality of pipelines are extended from the tail end of the ventilation duct 1, a rotating shaft 3 extending into the corresponding pipeline is rotationally arranged on each pipeline at the tail end of the ventilation duct 1, and a shunt vane 4 is fixed on the rotating shaft 3.

[0024] The fan 2 is started, fresh air in the outdoor enters the inlet of the ventilation duct 1 and is shunted through the plurality of pipelines to be delivered to different areas. In the air delivery process, the rotating shaft 3 can drive the shunt vane 4 to rotate, so that the air volume in each branch can be adjusted according to the actual demand, the ventilation of each area is ensured to be appropriate, the energy efficiency and adaptability of the system are improved, and a more comfortable and energy-saving indoor environment is provided for the user.

[0025] In the embodiment, a plurality of air cylinders 5 corresponding to the plurality of pipelines are arranged on the ventilation duct 1, an L-shaped rotating plate 6 is hinged to the output end of the air cylinder 5, and the tail end of the L-shaped rotating plate 6 is fixed around the outer end of the rotating shaft 3.

[0026] The air cylinder 5 is extended and retracted, the L-shaped rotating plate 6 can drive the rotating shaft 3 to rotate, so that the angle of the shunt vane 4 is adjusted.

[0027] Further, the U-shaped frame 7 is fixed on the ventilation duct 1, and the plurality of air cylinders 5 are respectively hinged to the upper side of the corresponding duct on the U-shaped frame 7.

[0028] The installation space of the air cylinder 5 is provided by the U-shaped frame 7, so that the ventilation device can be conveniently installed and disassembled, and the later maintenance work is also facilitated.

[0029] In this embodiment, a filter screen 8 is detachably installed at the inlet of the ventilation duct 1.

[0030] By arranging the filter screen 8, the dust, particulate matter and other pollutants entering the ventilation device can be effectively intercepted, ensuring that the air entering the indoor is cleaner and healthier. At the same time, by filtering out larger particulate matter, the wear and damage of the subsequent fan 2, the shunt blade 4 and other equipment caused by these impurities can be reduced, and the service life of the equipment can be prolonged.

[0031] Further, two mounting frames 9 are fixed in the ventilation duct 1, both ends of the filter screen 8 are fixed on the mounting frames 9 by fastening screws 10, the U-shaped space in the mounting frame 9 is fixed with a mounting plate 11, the mounting plate 11 is fixed with a limiting rod 12, the limiting rod 12 is sleeved with a positioning spring 13 and a limiting plate 14 on the outside, the positioning spring 13 is arranged between the limiting plate 14 and the mounting plate 11, and the filter screen 8 is provided with a limiting groove 15 corresponding to the limiting rod 12.

[0032] During installation, first align the limiting rod 12 with the limiting groove 15, so that the head of the limiting rod 12 enters the limiting groove 15, press the filter screen 8, so that the filter screen 8 extrudes the limiting plate 14, thereby compressing the positioning spring 13, and then fixing the filter screen 8 on the mounting frame 9 by the fastening screw 10.

[0033] When disassembling, unscrew the fastening screw 10, and the tension of the positioning spring 13 can pop the filter screen 8 out of the ventilation duct 1, which is convenient for taking out for cleaning.

[0034] In addition, the limiting rod 12 is in T shape, which can effectively avoid the limiting plate 14 and the positioning spring 13 from being detached from the head of the limiting rod 12 during use, affecting the use.

[0035] In use of the above embodiment, the fan 2 is started, the outdoor air first enters the inlet of the ventilation duct 1, and the dust, particulate matter and other pollutants are filtered by the filter screen 8 at the inlet, then the fresh air is shunted into multiple pipelines and delivered to different areas. During the air delivery process, the rotating shaft 3 can drive the shunt blade 4 to rotate, so that the air volume in each branch can be adjusted according to the actual demand, ensuring that each area obtains appropriate ventilation.

[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0037] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A ventilation and air exchange device for ventilation engineering, characterized in that The utility model provides a ventilation pipeline (1), the fan (2) is installed in the front end of ventilation pipeline (1), and the tail end of ventilation pipeline (1) extends a plurality of pipelines, and the rotating shaft (3) extending to the corresponding pipeline is rotatably arranged on each pipeline of the tail end of ventilation pipeline (1), and the rotating shaft (3) is fixed with the shunt blade (4).

2. A ventilation device for ventilation engineering according to claim 1, characterized in that: A plurality of air cylinders (5) corresponding to the plurality of pipelines are arranged on the ventilation pipeline (1), and the output end of the air cylinder (5) is hingedly connected with an L-shaped rotating plate (6), and the tail end of the L-shaped rotating plate (6) is fixed around the outer end of the rotating shaft (3).

3. A ventilation device for ventilation engineering according to claim 2, characterized in that: A U-shaped frame (7) is fixed on the ventilation pipeline (1), and the plurality of air cylinders (5) are respectively hingedly connected above the corresponding pipeline of the U-shaped frame (7).

4. A ventilation and air exchange device for ventilation engineering according to claim 1, characterized in that: A filter screen (8) is detachably installed at the inlet of the ventilation pipeline (1).

5. A ventilation device for ventilation engineering according to claim 4, characterized in that: Two mounting frames (9) are fixed in the ventilation pipeline (1), and the two ends of the filter screen (8) are fixed on the mounting frame (9) by fastening screws (10).

6. A ventilation device for ventilation engineering according to claim 5, characterized in that: An installation plate (11) is fixed in the U-shaped space of the mounting frame (9), a limiting rod (12) is fixed on the installation plate (11), and a limiting groove (15) corresponding to the limiting rod (12) is formed in the filter screen (8).

7. A ventilation device for ventilation engineering according to claim 6, characterized in that: A positioning spring (13) and a limiting plate (14) are sleeved on the outer side of the limiting rod (12), and the positioning spring (13) is arranged between the limiting plate (14) and the installation plate (11).

8. A ventilation device for ventilation engineering according to claim 7, characterized in that: The limiting rod (12) is in T shape.

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