Fan with adjustable air inlet rate

Abstract

The utility model discloses a fan capable of adjusting air inlet volume, which comprises a fan and an air inlet volume adjusting frame, the air inlet volume adjusting frame is arranged at the front end of the fan, an air inlet is arranged inside the air inlet volume adjusting frame, and a left half end adjusting plate and a right half end adjusting plate are respectively arranged on two sides inside the air inlet. Fixing grooves are formed in the upper end and the lower end of the interior of the air inlet amount adjusting frame, upper telescopic rods are arranged at the positions, located on the right sides of the interiors of the fixing grooves, of the top of the air inlet amount adjusting frame, and upper opening and closing sliding blocks are arranged at one ends of the upper telescopic rods; a lower telescopic rod is arranged at the position, located on the left side in the fixing groove, of the bottom of the air inlet amount adjusting frame. The front end of the fan is provided with the air inlet volume adjusting frame, so that the air inlet volume of the fan has an adjustable function, the size of the air inlet can be adjusted according to the use condition of equipment, the air outlet volume of the fan is consistent with that of the equipment, and the use effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of fans, in particular to a fan with adjustable air inlet volume. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and deliver gas. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas delivery machinery in my country. Commonly referred to fans include ventilators, blowers and wind turbines. Gas compression and gas delivery machinery converts rotational mechanical energy into gas pressure energy and kinetic energy and delivers the gas. The main structural components of a fan are impeller, casing, air inlet, bracket, motor, pulley, coupling, muffler, transmission parts, etc.

[0003] There are still certain drawbacks in the use of fans in the existing technology. Traditional fans usually have a fixed air intake volume and cannot adjust the air intake volume according to usage, resulting in inconsistent air output between the fan and the equipment, affecting the use effect. Utility Model Content

[0004] The purpose of the present utility model is to provide a fan with adjustable air intake volume, so as to solve the problem proposed in the above background technology that the size of the air intake volume of traditional fans is usually fixed and the size of the air intake volume cannot be adjusted according to the usage conditions, resulting in inconsistency between the air output of the fan and the equipment, affecting the use effect.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an adjustable air inlet fan, comprising a fan and an air inlet adjusting frame, the front end of the fan being provided with an air inlet adjusting frame, an air inlet being provided inside the air inlet adjusting frame, a left half-end adjusting plate and a right half-end adjusting plate being respectively provided on both sides of the interior of the air inlet, a fixing slot being provided at the upper and lower ends of the interior of the air inlet adjusting frame, the top of the air inlet adjusting frame being located at the right side of the interior of the fixing slot and an upper telescopic rod being provided, one end of the upper telescopic rod being provided with an upper opening and closing slider, the bottom of the air inlet adjusting frame being located at the left side of the interior of the fixing slot and a lower telescopic rod being provided, one end of the lower telescopic rod being provided with a lower opening and closing slider, a left fixing piece and a right fixing piece being respectively provided on both sides of the interior of the fixing slot, a first folding hinge being provided at the middle position of the rear end of the left half-end adjusting plate, a second folding hinge being provided at the middle position of the rear end of the right half-end adjusting plate, and a connecting column and a pin rod being provided at both sides of the upper and lower ends of the left and right half-end adjusting plates.

[0006] In a further embodiment, the air inlet volume adjustment frame is fixedly connected to both sides of the fan by assembly bolts, and the air inlet volume adjustment frame is configured to be square in shape.

[0007] In a further embodiment, the outer sides of the upper and lower ends of the left half-end adjustment plate are connected to the left fixing piece through a connecting column, the left fixing piece is fixedly connected to the fixing groove through a first fixing screw, and the inner sides of the upper and lower ends of the left half-end adjustment plate are connected to the upper opening and closing slider through a pin rod, and the pin rod is fixedly connected to the upper opening and closing slider through a second fixing screw.

[0008] In a further embodiment, the outer sides of the upper and lower ends of the right half adjustment plate are connected to the right fixing member through a connecting column, and the inner sides of the upper and lower ends of the right half adjustment plate are connected to the lower opening and closing slider through a pin rod.

[0009] In a further embodiment, the upper telescopic rod is fixedly connected to the fixing slot via a first positioning collar, and the lower telescopic rod is fixedly connected to the fixing slot via a second positioning collar.

[0010] In a further embodiment, the installation positions of the upper telescopic rod and the lower telescopic rod are set to be opposite, and the pin rod and the fixed groove are slidably connected through a fixed slide groove, the upper opening and closing slider is fixedly connected to the upper telescopic rod by a bolt, and the lower opening and closing slider is fixedly connected to the lower telescopic rod by a bolt.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the utility model, an air inlet volume adjustment frame is provided at the front end of the fan, so that the air inlet volume of the fan has an adjustable function. The size of the air inlet can be adjusted according to the use of the equipment to make the air outlet of the fan consistent with the air outlet of the equipment, thereby improving the use effect and ensuring the stability of the fan. The left half adjustment plate and the right half adjustment plate are both set to a foldable structure, which can divide the air inlet into two parts, the left and right halves can be adjusted separately, so that the air inlet can be adjusted to multiple sizes. The adjustment method is simple and quick, and the adjustment operation is easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of a fan with adjustable air inlet volume according to the present invention;

[0014] Figure 2 This is a front view of the air inlet volume adjustment frame of the present invention;

[0015] Figure 3 This is a rear view of the air inlet volume adjustment frame of the present invention;

[0016] Figure 4 This is a top view of the air inlet volume adjustment frame of the present invention;

[0017] Figure 5 This is a schematic diagram of the bottom structure of the air inlet volume adjustment frame of the present invention;

[0018] Figure 6 This is a structural diagram of the fixing groove of the utility model;

[0019] Figure 7 It is a top view of the left half adjustment plate of the present invention.

[0020] In the figure: 1. Fan; 2. Assembly bolts; 3. Air inlet adjustment frame; 4. Fixing slot; 5. Left half adjustment plate; 6. Right half adjustment plate; 7. Air inlet; 8. First folding hinge; 9. Second folding hinge; 10. Left fixing piece; 11. First fixing screw; 12. Upper opening and closing slider; 13. Second fixing screw; 14. Upper telescopic rod; 15. First positioning hoop; 16. Right fixing piece; 17. Lower opening and closing slider; 18. Lower telescopic rod; 19. Second positioning hoop; 20. Fixing slot; 21. Connecting column; 22. Pin rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-7The utility model provides an embodiment of an adjustable air inlet fan, comprising a fan 1 and an air inlet adjustment frame 3, the air inlet adjustment frame 3 is fixedly connected to the two sides of the fan 1 by assembling bolts 2, and the air inlet adjustment frame 3 is set to a square shape, and the assembling bolts 2 are used to install and fix the air inlet adjustment frame 3 to the fan 1. The front end of the fan 1 is provided with an air inlet adjustment frame 3, the interior of the air inlet adjustment frame 3 is provided with an air inlet 7, and the interior of the air inlet 7 is provided with a left half-end adjustment plate 5 and a right half-end adjustment plate 6 on both sides. The upper and lower ends of the interior of the air inlet adjustment frame 3 are provided with fixing slots 4, the top of the air inlet adjustment frame 3 is located at the right side of the interior of the fixing slot 4 and an upper telescopic rod 14 is provided, one end of the upper telescopic rod 14 is provided with an upper opening and closing slider 12, the bottom of the air inlet adjustment frame 3 is located at the left side of the interior of the fixing slot 4 and a lower telescopic rod 18 is provided, The end is provided with a lower opening and closing slider 17, and the two sides inside the fixing groove 4 are respectively provided with a left fixing piece 10 and a right fixing piece 16, a first folding hinge 8 is provided in the middle position of the rear end of the left half-end adjusting plate 5, and a second folding hinge 9 is provided in the middle position of the rear end of the right half-end adjusting plate 6. The left and right half-end adjusting plates 5 and 6 are respectively provided with connecting columns 21 and pin rods 22 on both sides of the upper and lower ends; the air inlet adjustment frame 3 is used to adjust the size of the air inlet of the fan 1, the left half-end adjusting plate 5 is used to adjust the size of the left half of the air inlet 7, and the right half-end adjusting plate 6 is used to adjust the size of the right half of the air inlet 7, the upper telescopic rod 14 is used to telescope and adjust the upper opening and closing slider 12, thereby adjusting the opening and closing angle of the left half-end adjusting plate 5, and the lower telescopic rod 18 is used to telescope and adjust the lower opening and closing slider 17, thereby adjusting the opening and closing angle of the right half-end adjusting plate 6.

[0023] The outer sides of the upper and lower ends of the left half-end adjustment plate 5 are connected to the left side fixing piece 10 through a connecting column 21, the left side fixing piece 10 is fixedly connected to the fixing slot 4 by a first fixing screw 11, and the inner sides of the upper and lower ends of the left half-end adjustment plate 5 are connected to the upper opening and closing slider 12 by a pin rod 22, and the pin rod 22 is fixedly connected to the upper opening and closing slider 12 by a second fixing screw 13. The connecting column 21 is used to connect and fix the left side fixing piece 10 to the left half-end adjustment plate 5, and the pin rod 22 is used to connect and fix the upper opening and closing slider 12 to the left half-end adjustment plate 5.

[0024] The outer sides of the upper and lower ends of the right half-end adjustment plate 6 are connected to the right side fixing piece 16 through a connecting column 21, and the inner sides of the upper and lower ends of the right half-end adjustment plate 6 are connected to the lower opening and closing slider 17 through a pin rod 22. The connecting column 21 is used to connect and fix the right side fixing piece 16 to the right half-end adjustment plate 6, and the pin rod 22 is used to connect and fix the lower opening and closing slider 17 to the right half-end adjustment plate 6.

[0025] The upper telescopic rod 14 is fixedly connected to the fixed groove 4 by a first positioning hoop 15, and the lower telescopic rod 18 is fixedly connected to the fixed groove 4 by a second positioning hoop 19, and the first positioning hoop 15 is used to install the upper telescopic rod 14 inside the fixed groove 4; the installation positions of the upper telescopic rod 14 and the lower telescopic rod 18 are set to opposite, and the pin rod 22 is slidingly connected to the fixed groove 4 by a fixed slide groove 20, the upper opening and closing slider 12 is fixedly connected to the upper telescopic rod 14 by bolts, and the lower opening and closing slider 17 is fixedly connected to the lower telescopic rod 18 by bolts, and the upper opening and closing slider 12 is conveniently fixed to the upper telescopic rod 14 by bolts.

[0026] Working principle: When in use, the fan 1 is fixed to the air inlet adjustment frame 3 by assembling the bolts 2. According to the size of the air inlet, the upper opening and closing slider 12 is driven to slide to one end by the upper telescopic rod 14, and the left half adjustment plate 5 is pushed to one side. The left half adjustment plate 5 is folded by the first folding hinge 8, and the left half of the air inlet 7 is opened to the required size. The lower opening and closing slider 17 is driven to slide to the other end by the lower telescopic rod 18, and the right half adjustment plate 6 is pushed to the other side. The right half adjustment plate 6 is folded by the second folding hinge 9, and the right half adjustment plate 6 is opened to the required size, thereby adjusting to the required air inlet.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A fan with adjustable air inlet volume, comprising a fan (1) and an air inlet volume adjustment frame (3), characterized in that: The front end of the fan (1) is provided with an air inlet adjustment frame (3), an air inlet (7) is provided inside the air inlet adjustment frame (3), and a left half-end adjustment plate (5) and a right half-end adjustment plate (6) are provided on both sides of the inside of the air inlet adjustment frame (7), and the upper and lower ends of the inside of the air inlet adjustment frame (3) are both provided with fixed grooves (4), and the top of the air inlet adjustment frame (3) is located on the right side of the inside of the fixed groove (4) and is provided with an upper telescopic rod (14), one end of the upper telescopic rod (14) is provided with an upper opening and closing slider (12), and the bottom of the air inlet adjustment frame (3) is provided with a plurality of air inlet adjustment plates (5). A lower telescopic rod (18) is provided at the left side of the interior of the fixing groove (4), and a lower opening and closing slider (17) is provided at one end of the lower telescopic rod (18). A left fixing member (10) and a right fixing member (16) are provided on both sides of the interior of the fixing groove (4), respectively. A first folding hinge (8) is provided at the middle position of the rear end of the left half-end adjustment plate (5), and a second folding hinge (9) is provided at the middle position of the rear end of the right half-end adjustment plate (6). Connecting columns (21) and pin rods (22) are provided on both sides of the upper and lower ends of the left half-end adjustment plate (5) and the right half-end adjustment plate (6), respectively.

2. The fan with adjustable air inlet volume according to claim 1, characterized in that: The air intake volume adjustment frame (3) is fixedly connected to both sides of the fan (1) via assembly bolts (2), and the air intake volume adjustment frame (3) is configured to be square in shape.

3. The fan with adjustable air inlet volume according to claim 1, characterized in that: The outer sides of the upper and lower ends of the left half-end adjustment plate (5) are connected to the left fixing member (10) through a connecting column (21), the left fixing member (10) is fixedly connected to the fixing groove (4) through a first fixing screw (11), and the inner sides of the upper and lower ends of the left half-end adjustment plate (5) are connected to the upper opening and closing slider (12) through a pin rod (22), and the pin rod (22) is fixedly connected to the upper opening and closing slider (12) through a second fixing screw (13).

4. The fan with adjustable air inlet volume according to claim 1, characterized in that: The outer sides of the upper and lower ends of the right half-end adjustment plate (6) are connected to the right fixing member (16) through a connecting column (21), and the inner sides of the upper and lower ends of the right half-end adjustment plate (6) are connected to the lower opening and closing slider (17) through a pin rod (22).

5. The fan with adjustable air inlet volume according to claim 1, characterized in that: The upper telescopic rod (14) is fixedly connected to the fixed groove (4) via a first positioning hoop (15), and the lower telescopic rod (18) is fixedly connected to the fixed groove (4) via a second positioning hoop (19).

6. The fan with adjustable air inlet volume according to claim 1, characterized in that: The installation positions of the upper telescopic rod (14) and the lower telescopic rod (18) are set to be opposite, and the pin rod (22) and the fixed groove (4) are slidably connected through the fixed sliding groove (20), the upper opening and closing slider (12) and the upper telescopic rod (14) are fixedly connected by bolts, and the lower opening and closing slider (17) and the lower telescopic rod (18) are fixedly connected by bolts.

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