Axial flow fan convenient to install

Abstract

The utility model relates to the field of axial flow fans, and discloses a convenient-to-install axial flow fan which comprises a barrel, a motor is installed in the barrel, fan blades are installed at the output end of the motor, and flange plates are fixedly connected to the two ends of the barrel. Positioning frames are symmetrically and fixedly connected to the two sides of the exterior of the barrel, fixing columns are symmetrically and fixedly connected to the two sides of the interior of the barrel, a mounting plate used for mounting a motor is detachably mounted between the two fixing columns, and a positioning strip is connected to one end of the mounting plate; a bottom plate is arranged below the barrel, side plates are symmetrically and fixedly connected to the tops of the two sides of the bottom plate, and positioning seats are installed on the opposite sides of the two side plates. According to the utility model, the motor is mounted on the mounting plate, and the positioning strip is mounted on the flange plate, so that the motor can be mounted and fixed without going deep into the barrel to mount the motor, and the operation is convenient; and installation can be carried out in different installation spaces, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the field of axial flow fans, in particular to an axial flow fan which is easy to install. Background Art

[0002] Axial flow fans are widely used. They are fans that run in the same direction as the axis of the fan blades. For example, electric fans and air conditioner outdoor fans are fans that run in an axial flow mode. They are called "axial flow" because the gas flows parallel to the fan axis.

[0003] The existing axial flow fan generally includes a cylinder, a mounting frame is arranged in the cylinder, a motor is mounted on the mounting frame, a fan is arranged on the output shaft of the motor, and a support base is arranged under the cylinder for easy installation.

[0004] However, when the existing axial flow fan is installed, the support base needs to occupy a large space. When the installation space is small, it is difficult to install. In addition, when installing the motor of the existing axial flow fan, it is necessary to go deep into the cylinder to install the motor on the mounting frame. The space is small and the operation is inconvenient. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the existing axial flow fan is not convenient to be installed in a small space, and it is not convenient to install the motor on the mounting frame.

[0006] In order to solve the above problems, the technical solution of the utility model is: an axial flow fan that is easy to install, comprising a cylinder, a motor is installed inside the cylinder, and a fan blade is installed at the output end of the motor, and flanges are fixedly connected to both ends of the cylinder;

[0007] The cylinder body is symmetrically fixed with positioning frames on both sides of the outside, and fixed columns are symmetrically fixed with both sides of the inside. A mounting plate for mounting the motor is detachably mounted between the two fixing columns, and a positioning strip is connected to one end of the mounting plate.

[0008] A bottom plate is provided below the cylinder body, and side plates are symmetrically fixedly connected to the tops of both sides of the bottom plate, and positioning seats are installed on the opposite sides of the two side plates.

[0009] Furthermore, the positioning frame includes a positioning plate, four corners of which are provided with mounting holes, one side of which is fixedly connected with two transverse plates, and the positioning plate is fixedly mounted on the outside of the cylinder through the transverse plates.

[0010] Furthermore, the middle of the mounting plate is bent downward to form a groove, the motor is mounted in the groove, two ends of the mounting plate are symmetrically fixed with T-shaped plates, and the side of the fixing column is provided with a sliding groove adapted to the T-shaped plate.

[0011] Furthermore, the positioning bar is matched with the flange, and the outer side of the groove is connected to the positioning bar through three L-shaped rods.

[0012] Furthermore, a slot matched with the positioning frame is provided on the positioning seat, and a positioning hole for fixing the positioning frame is provided on the side plate, and the position of the positioning hole corresponds to the position of the mounting hole.

[0013] The advantages of the utility model compared with the existing technology are: the utility model installs the motor on the mounting plate and installs the positioning strip on the flange, so that the motor can be installed and fixed without going deep into the cylinder to install the motor, which is convenient for operation; when the reserved installation space is small, the cylinder can be directly installed through the positioning frame; when the reserved space is large, the cylinder can be installed on the side plate through the positioning frame, and the cylinder can be installed at a position with a larger reserved space through the bottom plate, that is, it can be installed in different installation spaces, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a three-dimensional Figure 1 .

[0015] Figure 2 The utility model is a three-dimensional Figure 2 .

[0016] Figure 3 It is a cylinder structure diagram of the utility model.

[0017] Figure 4 It is a connection structure diagram of the mounting plate of the utility model.

[0018] Figure 5 It is a connection structure diagram of the bottom plate of the utility model.

[0019] As shown in the figure: 1. Cylinder; 2. Motor; 3. Fan blades; 4. Flange; 5. Positioning frame; 6. Fixing column; 7. Mounting plate; 8. Positioning strip; 9. Bottom plate; 10. Side plate; 11. Positioning seat; 12. T-type plate; 13. L-type rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4As shown, an axial flow fan which is easy to install comprises a cylinder 1, a motor 2 is installed inside the cylinder 1, and a fan blade 3 is installed at the output end of the motor 2, flanges 4 are fixedly connected at both ends of the cylinder 1, positioning frames 5 are symmetrically fixedly connected to the two sides of the outside of the cylinder 1, and fixing columns 6 are symmetrically fixedly connected to the two sides of the inside, the positioning frame 5 comprises a positioning plate, four corners of the positioning plate are provided with mounting holes, and one side of the positioning plate is fixedly connected to two cross plates, and the positioning plate is fixedly installed on the outside of the cylinder 1 through the cross plate, a mounting plate 7 for installing the motor 2 is detachably installed between the two fixing columns 6, a positioning bar 8 is connected to one end of the mounting plate 7, the middle part of the mounting plate 7 is bent downward to form a groove, the motor 2 is installed in the groove, T-shaped plates 12 are symmetrically fixedly connected to the two ends of the mounting plate 7, a sliding groove matched with the T-shaped plate 12 is opened on the side of the fixing column 6, the positioning bar 8 is matched with the flange 4, and the outer side of the groove is connected to the positioning bar 8 through three L-shaped rods 13.

[0022] By setting the positioning frame 5, the cylinder 1 can be installed in a position with a small reserved space, the motor 2 is installed in the groove in the middle of the mounting plate 7, the mounting plate 7 is placed inside the cylinder 1, and the T-shaped plate 12 is inserted in the slide groove, the mounting plate 7 is pushed to move, and the positioning bar 8 stops when it abuts against the flange 4, and the positioning bar 8 is installed on the flange 4 by bolts and nuts, so that the motor 2 is installed and fixed.

[0023] like Figure 1 , Figure 2 and Figure 5 As shown, a bottom plate 9 is provided under the cylinder 1, and side plates 10 are symmetrically fixed to the top of both sides of the bottom plate 9, and positioning seats 11 are installed on the opposite sides of the two side plates 10, and the positioning seats 11 are provided with slots adapted to the positioning frame 5, and the side plates 10 are provided with positioning holes for fixing the positioning frame 5.

[0024] The positioning plate on the positioning frame 5 is clamped into the card slot, and the two mounting holes on the upper part of the positioning plate coincide with the positioning holes on the side plate. At this time, bolts can be installed in the mounting holes and the positioning holes, and nuts are installed on the bolts. The cylinder 1 can be installed on the side plate 10. At this time, the cylinder 1 can be installed in a position with a larger reserved space through the bottom plate 9.

[0025] In specific use, the motor 2 is installed on the mounting plate 7, and the positioning bar 8 is installed on the flange 4, so that the motor 2 can be installed and fixed, and there is no need to deeply install the motor 2 inside the cylinder 1, which is convenient for operation; when the mounting plate 7 is placed inside the cylinder 1, the fixing column 6 is located in the gap between two adjacent blades on the fan blade 3. When the reserved installation space is small, the cylinder 1 can be directly installed through the positioning frame 5. When the reserved space is large, the cylinder 1 can be installed on the side plate 10 through the positioning frame 5, and the cylinder 1 can be installed at a position with a larger reserved space through the bottom plate 9.

[0026] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An axial flow fan that is easy to install, comprising a cylinder (1), a motor (2) is installed inside the cylinder (1), and a fan blade (3) is installed at the output end of the motor (2), and flanges (4) are fixedly connected to both ends of the cylinder (1), characterized in that: The cylinder (1) is symmetrically fixed with positioning frames (5) on both sides of the outside, and is symmetrically fixed with fixing columns (6) on both sides of the inside. A mounting plate (7) for mounting the motor (2) is detachably mounted between the two fixing columns (6), and a positioning strip (8) is connected to one end of the mounting plate (7); A bottom plate (9) is provided below the cylinder (1), and side plates (10) are symmetrically fixed to the tops of both sides of the bottom plate (9), and positioning seats (11) are installed on the opposite sides of the two side plates (10).

2. The axial flow fan that is easy to install according to claim 1 is characterized in that: The positioning frame (5) comprises a positioning plate, the four corners of which are provided with mounting holes, and one side of the positioning plate is fixedly connected to two transverse plates, and the positioning plate is fixedly mounted on the outside of the cylinder (1) via the transverse plates.

3. The axial flow fan that is easy to install according to claim 1 is characterized in that: The middle part of the mounting plate (7) is bent downward to form a groove, and the motor (2) is mounted in the groove. T-shaped plates (12) are symmetrically fixed to both ends of the mounting plate (7), and a sliding groove matching the T-shaped plate (12) is provided on the side of the fixing column (6).

4. The axial flow fan that is easy to install according to claim 3 is characterized in that: The positioning strip (8) is matched with the flange (4), and the outer side of the groove is connected to the positioning strip (8) via three L-shaped rods (13).

5. The axial flow fan that is easy to install according to claim 1 is characterized in that: The positioning seat (11) is provided with a slot matched with the positioning frame (5), and the side plate (10) is provided with a positioning hole for fixing the positioning frame (5).

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