Adjustable axial flow fan

Abstract

The utility model relates to the technical field of civil engineering, in particular to an adjustable axial flow fan which comprises a moving assembly, a supporting assembly and a height adjusting assembly are sequentially installed on the top of the moving assembly from front to back, and an angle adjusting assembly is installed on one side of the height adjusting assembly. And an axial flow fan body is mounted on one side of the angle adjusting assembly. The moving assembly comprises a supporting plate, and universal wheels are installed at the four corners of the bottom of the supporting plate. The supporting assembly comprises a U-shaped installation frame installed on the top of the supporting plate. According to the improved axial flow fan, the supporting assembly is adopted, when the axial flow fan is moved to a working place, the axial flow fan can be stably supported, and the working stability of the axial flow fan is improved; the angle adjusting assembly and the height adjusting assembly are adopted, when the axial flow fan is used, the height and the angle of the axial flow fan body can be adjusted according to requirements, and the applicability of the axial flow fan is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, in particular to an adjustable axial flow fan. Background Art

[0002] Civil engineering is a general term for the science and technology of building various types of engineering facilities. It refers to the materials and equipment used, and the technical activities such as survey, design, construction, maintenance, and repair carried out, as well as the objects of engineering construction, that is, various engineering facilities built above or below the ground, on land or in water, which directly or indirectly serve human life, production, military, and scientific research, such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, offshore platforms, water supply and drainage, and protective projects.

[0003] An axial flow fan is a mechanical device used to transport gas, also known as an axial flow fan or axial flow ventilator. When constructing civil engineering infrastructure, axial flow fans are sometimes required for ventilation.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. The angle of the existing ordinary axial flow fan is fixed. When in use, the angle of the axial flow fan cannot be adjusted according to needs, and the applicability is poor; 2. When some existing ordinary axial flow fans are moved, they generally use universal wheels for movement. When working, the reaction force of the airflow of the axial flow fan may cause the axial flow fan to move, affecting the use of the axial flow fan. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable axial flow fan to solve the problems in the above background technology that the angle of the ordinary axial flow fan cannot be adjusted and the ordinary axial flow fan may move due to the reaction force of the airflow. To achieve the above purpose, the utility model provides the following technical solution: the adjustable axial flow fan includes a moving component, the top of the moving component is sequentially installed with a support component and a height adjustment component from front to back, one side of the height adjustment component is installed with an angle adjustment component, and one side of the angle adjustment component is installed with an axial flow fan body.

[0006] The moving assembly comprises a supporting plate, and universal wheels are installed at the four corners of the bottom of the supporting plate.

[0007] The support assembly includes a U-shaped mounting frame installed on the top of the support plate, a connecting rod is installed through one side of the U-shaped mounting frame, a support rod is installed on one side of the connecting rod, a pad is installed at the bottom of the support rod, a first worm gear is installed in the middle of the outer wall of the connecting rod, a U-shaped fixing frame is installed at the lower rear end of the U-shaped mounting frame, a first motor is installed at the rear end of the U-shaped fixing frame, and a first worm gear is installed at the output end of the first motor.

[0008] The height adjustment assembly comprises a shell mounted on the top of the support plate, a second motor is mounted on the top of the shell, a screw is mounted on the output end of the second motor, and a slider is threadedly mounted on the outer wall of the screw.

[0009] The angle adjustment assembly includes a connecting block installed on one side of the slider, a fixing rod is installed on one side of the connecting block, a rotating tube is rotatably installed on the outer wall of the fixing rod, a second worm gear is installed on the outer wall of the rotating tube, an L-shaped plate is installed at the rear end of the connecting block, a third motor is installed on the top of the L-shaped plate, and a second worm is installed on the bottom of the third motor.

[0010] Further preferably, the first worm wheel forms a worm transmission mechanism with the first motor through the first worm, and the support rod and the pad are symmetrically distributed about the vertical center line of the connecting rod.

[0011] Further preferably, a plurality of anti-slip spikes are provided at the bottom of the pad, and the support components are symmetrically distributed about the vertical center line of the support plate.

[0012] Further preferably, the slider forms a screw transmission mechanism with the second motor through a screw rod.

[0013] Further preferably, the second worm gear forms a worm transmission mechanism through the second worm and the third motor.

[0014] Further preferably, the height adjustment assembly and the angle adjustment assembly are symmetrically distributed about the vertical center line of the axial flow fan body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, the height and angle of the axial flow fan body can be adjusted as needed through the angle adjustment component and the height adjustment component, and the second motors of the two sets of height adjustment components and the third motors of the two sets of angle adjustment components are started respectively. The second motor drives the slider to move up and down through the screw, and drives the angle adjustment component and the axial flow fan body to move up and down at the same time. The third motor drives the second worm gear to rotate through the second worm, and drives the rotating tube and the axial flow fan body to rotate at the same time. The height and angle of the axial flow fan body can be adjusted according to the needs of use, and the applicability of the axial flow fan can be improved.

[0017] In the utility model, the first motors of the two groups of support assemblies are started through the two groups of support assemblies. The first motor drives the first worm wheel to rotate through the first worm, and at the same time drives the support rod and the pad to rotate. A plurality of anti-slip nails at the bottom of the pad are in contact with the ground, which can support the axial flow fan and improve the stability of the axial flow fan when it is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the mobile component of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the support assembly of the utility model;

[0021] Figure 4 This is a bottom view of the structure of the support assembly of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the height adjustment component of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the angle adjustment component of the utility model.

[0024] In the figure: 1. Moving assembly; 101. Support plate; 102. Universal wheel; 2. Support assembly; 201. U-shaped mounting frame; 202. Connecting rod; 203. Support rod; 204. Pad; 205. First worm gear; 206. U-shaped fixing frame; 207. First motor; 208. First worm; 3. Height adjustment assembly; 301. Shell; 302. Second motor; 303. Screw; 304. Slider; 4. Angle adjustment assembly; 401. Connecting block; 402. Fixing rod; 403. Rotating tube; 404. Second worm gear; 405. L-shaped plate; 406. Third motor; 407. Second worm; 5. Axial fan body. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 6 The utility model provides a technical solution: an adjustable axial flow fan, including a moving component 1, a support component 2 and a height adjustment component 3 are installed on the top of the moving component 1 from front to back, an angle adjustment component 4 is installed on one side of the height adjustment component 3, and an axial flow fan body 5 is installed on one side of the angle adjustment component 4.

[0027] The moving assembly 1 comprises a supporting plate 101 , and universal wheels 102 are mounted at four corners of the bottom of the supporting plate 101 .

[0028] The support assembly 2 includes a U-shaped mounting frame 201 installed on the top of the support plate 101, a connecting rod 202 is installed through one side of the U-shaped mounting frame 201, a support rod 203 is installed on one side of the connecting rod 202, a pad 204 is installed at the bottom of the support rod 203, a first worm gear 205 is installed in the middle of the outer wall of the connecting rod 202, a U-shaped fixing frame 206 is installed at the lower rear end of the U-shaped mounting frame 201, a first motor 207 is installed at the rear end of the U-shaped fixing frame 206, and a first worm 208 is installed at the output end of the first motor 207.

[0029] The height adjustment assembly 3 includes a shell 301 mounted on the top of the support plate 101 , a second motor 302 is mounted on the top of the shell 301 , a screw 303 is mounted on the output end of the second motor 302 , and a slider 304 is threadedly mounted on the outer wall of the screw 303 .

[0030] The angle adjustment assembly 4 includes a connecting block 401 installed on one side of the slider 304, a fixing rod 402 is installed on one side of the connecting block 401, a rotating tube 403 is rotatably installed on the outer wall of the fixing rod 402, a second worm gear 404 is installed on the outer wall of the rotating tube 403, an L-shaped plate 405 is installed at the rear end of the connecting block 401, a third motor 406 is installed on the top of the L-shaped plate 405, and a second worm 407 is installed on the bottom of the third motor 406.

[0031] In this embodiment, Figure 3 and Figure 4 As shown, the first worm gear 205 forms a worm transmission mechanism with the first motor 207 through the first worm 208, and the support rod 203 and the pad 204 are symmetrically distributed about the vertical center line of the connecting rod 202; when the first motor 207 is started, the first worm gear 205 is driven to rotate through the first worm 208, and the support rod 203 and the pad 204 are driven to rotate at the same time. When the pad 204 contacts the ground, the axial flow fan can be supported, thereby improving the stability of the axial flow fan during operation.

[0032] In this embodiment, Figure 1 , Figure 3 and Figure 4 As shown, a plurality of anti-skid spikes are provided at the bottom of the pad 204, and the support components 2 are symmetrically distributed about the vertical center line of the support plate 101; when the plurality of anti-skid spikes at the bottom of the pad 204 are in contact with the ground, the support component 2 can improve the anti-skid ability while supporting the axial flow fan, thereby improving the stability of the axial flow fan during operation.

[0033] In this embodiment, Figure 5As shown, the slider 304 forms a spiral transmission mechanism with the second motor 302 through the screw 303; when the second motor 302 is started, the slider 304 can be driven to move up and down through the screw 303, and at the same time, the angle adjustment component 4 and the axial flow fan body 5 can be driven to move up and down. The height position of the axial flow fan body 5 can be adjusted according to needs to improve the applicability of the axial flow fan.

[0034] In this embodiment, Figure 6 As shown, the second worm gear 404 forms a worm transmission mechanism through the second worm 407 and the third motor 406; one side of the rotating tube 403 is installed with the axial flow fan body 5. When the third motor 406 is started, the second worm gear 404 is driven to rotate through the second worm 407, and the rotating tube 403 and the axial flow fan body 5 are driven to rotate at the same time. The angle of the axial flow fan body 5 can be adjusted according to needs to improve the applicability of the axial flow fan.

[0035] In this embodiment, Figure 1 As shown, the height adjustment component 3 and the angle adjustment component 4 are symmetrically distributed about the vertical center line of the axial flow fan body 5; when the second motors 302 of the two groups of height adjustment components 3 are started at the same time, the height of the axial flow fan body 5 can be stably adjusted, and when the two groups of third motors 406 are started, the angle of the axial flow fan body 5 can be stably adjusted, which can improve the stability of the height and angle adjustment of the axial flow fan body 5.

[0036] The use method and advantages of the utility model: When the adjustable axial flow fan is used, the working process is as follows:

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, first, the axial flow fan is moved to the use location through the universal wheel 102 at the bottom of the support plate 101, and then the first motor 207 of the two groups of support components 2 is started. The first motor 207 drives the first worm wheel 205 to rotate through the first worm 208, and at the same time drives the support rod 203 and the pad 204 to rotate. The pad 204 contacts the ground to support the axial flow fan. Then, the height and angle of the axial flow fan body 5 are adjusted according to the use requirements, and the second motor 302 of the two groups of height adjustment components 3 and the third motor 406 of the two groups of angle adjustment components 4 are started respectively. The second motor 302 drives the slider 304 to move up and down through the screw 303, and at the same time drives the angle adjustment component 4 and the axial flow fan body 5 to move up and down to adjust the height of the axial flow fan body 5. The third motor 406 drives the second worm wheel 404 to rotate through the second worm 407, and at the same time drives the rotating tube 403 and the axial flow fan body 5 to rotate to adjust the angle of the axial flow fan body 5.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable axial flow fan, comprising a moving assembly (1), characterized in that: A support assembly (2) and a height adjustment assembly (3) are installed on the top of the moving assembly (1) in sequence from front to back, an angle adjustment assembly (4) is installed on one side of the height adjustment assembly (3), and an axial flow fan body (5) is installed on one side of the angle adjustment assembly (4); The moving assembly (1) comprises a support plate (101), and universal wheels (102) are installed at the four corners of the bottom of the support plate (101); The support assembly (2) comprises a U-shaped mounting frame (201) mounted on the top of the support plate (101); a connecting rod (202) is installed through one side of the U-shaped mounting frame (201); a supporting rod (203) is installed on one side of the connecting rod (202); a pad (204) is installed at the bottom of the supporting rod (203); a first worm gear (205) is installed at the middle of the outer wall of the connecting rod (202); a U-shaped fixing frame (206) is installed at the lower rear end of the U-shaped mounting frame (201); a first motor (207) is installed at the rear end of the U-shaped fixing frame (206); and a first worm gear (208) is installed at the output end of the first motor (207); The height adjustment assembly (3) comprises a housing (301) mounted on the top of the support plate (101), a second motor (302) being mounted on the top of the housing (301), a screw (303) being mounted on the output end of the second motor (302), and a slider (304) being threadedly mounted on the outer wall of the screw (303); The angle adjustment assembly (4) comprises a connecting block (401) mounted on one side of the slider (304); a fixing rod (402) is mounted on one side of the connecting block (401); a rotating tube (403) is rotatably mounted on the outer wall of the fixing rod (402); a second worm gear (404) is mounted on the outer wall of the rotating tube (403); an L-shaped plate (405) is mounted on the rear end of the connecting block (401); a third motor (406) is mounted on the top of the L-shaped plate (405); and a second worm gear (407) is mounted on the bottom of the third motor (406).

2. The adjustable axial flow fan according to claim 1, characterized in that: The first worm wheel (205) forms a worm transmission mechanism through the first worm (208) and the first motor (207), and the support rod (203) and the pad (204) are symmetrically distributed about the vertical center line of the connecting rod (202).

3. The adjustable axial flow fan according to claim 1, characterized in that: A plurality of anti-slip spikes are provided at the bottom of the pad (204), and the support components (2) are symmetrically distributed about the vertical center line of the support plate (101).

4. The adjustable axial flow fan according to claim 1, characterized in that: The slider (304) forms a screw transmission mechanism with the second motor (302) via the screw rod (303).

5. The adjustable axial flow fan according to claim 1, characterized in that: The second worm wheel (404) forms a worm transmission mechanism through the second worm (407) and the third motor (406).

6. The adjustable axial flow fan according to claim 1, characterized in that: The height adjustment component (3) and the angle adjustment component (4) are symmetrically distributed about the vertical center line of the axial flow fan body (5).

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