Adjusting mechanism and axial flow fan

Abstract

The utility model discloses an adjusting mechanism and an axial flow fan and belongs to the technical field of adjusting.The adjusting mechanism comprises a base and a fan, side plates are symmetrically and fixedly installed at the top end of the base, supporting plates are symmetrically and slidably installed on the closest sides of the two side plates, and lifting assemblies are installed on the supporting plates; supporting shafts are rotatably installed on one sides of the supporting plates, the fan is fixedly installed between the two supporting shafts, a cavity is formed in one supporting plate, one end of each supporting shaft penetrates through one side of the corresponding supporting plate and is fixedly provided with a turbine, and a second rotating shaft is rotatably installed between the two sides of the inner wall of the cavity. A worm is fixedly connected to the outer side of the second rotating shaft in a sleeving mode, the worm gear is connected with the worm in a meshed mode, an adjusting assembly is installed at one end of the second rotating shaft, the device can adjust the angle and height of the draught fan, the air blowing range is enlarged, and therefore practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan adjustment, in particular to an adjustment mechanism and an axial flow fan. Background Art

[0002] Axial flow fans are the most commonly used ventilation and air supply equipment on the market. They are called "axial flow" because the gas flows parallel to the fan axis, that is, the airflow is in the same direction as the axis of the fan blade. For example, electric fans and air conditioner outdoor fans are axial flow fans. Axial flow fans are usually used in situations where the flow requirements are higher and the pressure requirements are lower. Axial flow fans are fixed in position and make the air move.

[0003] At present, the existing axial flow fans have certain limitations in actual use because of their fixed position, which results in a single ventilation direction and a limited adjustment range. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides an adjustment mechanism and an axial flow fan, aiming to improve the problem that the axial flow fan has certain limitations in actual use due to its single ventilation direction and limited adjustment range due to its fixed position.

[0005] In the first aspect, the utility model provides an adjustment mechanism, including a base and a fan, wherein side plates are symmetrically fixedly installed on the top of the base, and support plates are symmetrically slidably installed on the side closest to the two side plates, and a lifting assembly is installed on the support plate, and a support shaft is rotatably installed on one side of the support plate, and the fan is fixedly installed between the two support shafts, and a cavity is provided in one of the support plates, one end of the support shaft passes through one side of the support plate and a turbine is fixedly installed, a second rotating shaft is rotatably installed between the two sides of the inner wall of the cavity, a worm is fixedly sleeved on the outer side of the second rotating shaft, the turbine and the worm are meshingly connected, and an adjustment assembly is installed on one end of the second rotating shaft.

[0006] In the preferred technical solution of the present utility model, the lifting assembly includes a threaded rod, the support plate is L-shaped, a first slide groove matching the support plate is provided on one side of the side plate, the threaded rod is rotatably installed between the two sides of the inner wall of the first slide groove, the support plate is threadedly installed on the threaded rod, a driving part is installed at the bottom end of the threaded rod, the two threaded rods are symmetrically arranged, and the support plate is slidably connected to the inner wall of the first slide groove.

[0007] In the preferred technical solution of the present utility model, the driving member includes a third rotating shaft, a fourth rotating shaft and a motor, the base is hollow, the third rotating shaft is fixedly installed at the bottom end of the threaded rod, the bottom end of the third rotating shaft slides through the side plate and the top end of the base and extends to the internal space of the base, the fourth rotating shaft is rotatably installed between the inner walls of the base, the first bevel gear is symmetrically fixedly installed on the fourth rotating shaft, the second bevel gear is fixedly installed on the bottom end of the third rotating shaft, the first bevel gear and the second bevel gear are meshingly connected, the motor is fixedly installed at the bottom end of the inner wall of the base, the output end of the motor is transmission connected to the fourth rotating shaft, the output end of the motor is fixedly installed with the third bevel gear, the fourth bevel gear is fixedly installed on the outer side of the fourth rotating shaft, and the third bevel gear and the fourth bevel gear are meshingly connected.

[0008] In the preferred technical solution of the utility model, the base and one side of the side panel are jointly fixedly mounted with a support frame, and the support frame is arranged in a triangular shape.

[0009] In the preferred technical solution of the present utility model, the adjustment assembly includes a pull rod and a turntable, one end of the second rotating shaft is slidably connected to the pull rod, one end of the second rotating shaft is provided with a second slide groove matching the pull rod, one end of the pull rod slides through the support plate and fixes the turntable, the pull rod is symmetrically fixedly installed with a slider on the outer side of the second rotating shaft, the inner wall of the second slide groove is provided with a third slide groove matching the slider, the pull rod is slidably connected to the inner wall of the second slide groove, and the slider is slidably connected to the inner wall of the third slide groove.

[0010] In the preferred technical solution of the present utility model, an annular groove is provided on the inner wall of the second slide groove, the annular groove is communicated with one end of the third slide groove, the slider is slidably connected to the inner wall of the annular groove, a first support rod is slidably installed on the turntable, a circular hole matching the first support rod is provided on the turntable, the first support rod is slidably connected to the inner wall of the circular hole, and limit plates are fixedly installed at both ends of the first support rod.

[0011] In the preferred technical solution of the utility model, a second support rod is fixedly installed on one side of the side plate, a clamping block is fixedly installed on one end of the second support rod, the clamping block is U-shaped, and the clamping block is movably connected to the first support rod.

[0012] In a second aspect, the utility model further provides an axial flow fan, comprising the above-mentioned regulating mechanism.

[0013] The beneficial effects of the utility model are as follows: the utility model obtains an adjustment mechanism and an axial flow fan through the above-mentioned design. When in use, after the equipment is placed in a designated place, the starting motor drives the third bevel gear to rotate, and the rotation of the third bevel gear drives the fourth rotating shaft to rotate through the cooperation of the fourth bevel gear. The rotation of the fourth rotating shaft drives the two third rotating shafts to rotate relative to each other through the cooperation of the first bevel gear and the second bevel gear. The rotation of the third rotating shaft drives the threaded rod to rotate, and the rotation of the threaded rod drives the fan to rise and fall through the support plate and the support shaft. The turntable is rotated to make the first support rod disengage from the clamping block and then the turntable is pulled. The turntable drives the pull rod to move. After the pull rod moves and drives the slider to move into the third slide groove, the turntable can drive the second rotating shaft to rotate. The rotation of the second rotating shaft drives the worm to rotate. The rotation of the worm cooperates with the turbine to drive the support shaft to rotate, thereby adjusting the blowing angle of the fan. This device can adjust the angle and height of the fan, increase the range of blowing, and thus improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of an adjustment mechanism provided by an embodiment of the utility model;

[0016] Figure 2 A schematic diagram of the structure of a lifting assembly is provided for an embodiment of the utility model;

[0017] Figure 3 A partial structural schematic diagram of an adjustment mechanism is provided for an embodiment of the utility model;

[0018] Figure 4 A schematic diagram of the internal structure of the cavity is provided for the embodiment of the utility model;

[0019] Figure 5 A schematic diagram of the internal structure of the second rotating shaft is provided for an embodiment of the utility model.

[0020] In the figure: 110-base; 111-side plate; 112-support frame; 120-fan; 130-support plate; 131-support shaft; 132-turbine; 133-second rotating shaft; 134-worm; 140-threaded rod; 141-third rotating shaft; 142-fourth rotating shaft; 143-motor; 150-pull rod; 151-turntable; 152-slider; 153-third slide groove; 154-annular groove; 155-first support rod; 156-second support rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: an adjusting mechanism, including a base 110 and a fan 120, a side plate 111 is symmetrically fixedly installed on the top of the base 110, a support plate 130 is symmetrically slidably installed on the closest side of the two side plates 111, a lifting assembly is installed on the support plate 130, a support shaft 131 is rotatably installed on one side of the support plate 130, the fan 120 is fixedly installed between the two support shafts 131, a cavity is provided in one of the support plates 130, one end of the support shaft 131 passes through one side of the support plate 130 and is fixedly installed with a turbine 132, a second rotating shaft 133 is rotatably installed between the two sides of the inner wall of the cavity, a worm 134 is fixedly sleeved on the outer side of the second rotating shaft 133, the turbine 132 and the worm 134 are meshed and connected, and an adjusting assembly is installed on one end of the second rotating shaft 133.

[0023] In some specific implementation schemes, the base 110 and one side of the side plate 111 are jointly fixedly mounted with a support frame 112, and the support frame 112 is triangularly arranged to improve the stability of the device.

[0024] See also Figure 2 The lifting assembly includes a threaded rod 140, and the support plate 130 is L-shaped. A first slide groove matching the support plate 130 is provided on one side of the side plate 111. The threaded rod 140 is rotatably installed between the two sides of the inner wall of the first slide groove. The support plate 130 is threadedly installed on the threaded rod 140. A driving member is installed at the bottom end of the threaded rod 140. The two threaded rods 140 are symmetrically arranged, and the support plate 130 is slidably connected to the inner wall of the first slide groove.

[0025] In some specific implementation schemes, the driving member includes a third rotating shaft 141, a fourth rotating shaft 142 and a motor 143. The base 110 is hollow, and the third rotating shaft 141 is fixedly installed at the bottom end of the threaded rod 140. The bottom end of the third rotating shaft 141 slides through the side plate 111 and the top of the base 110 and extends to the internal space of the base 110. The fourth rotating shaft 142 is rotatably installed between the inner walls of the base 110. The first bevel gear is symmetrically fixedly installed on the fourth rotating shaft 142, and the second bevel gear is fixedly installed at the bottom end of the third rotating shaft 141. The first bevel gear and the second bevel gear are meshingly connected. The motor 143 is fixedly installed at the bottom end of the inner wall of the base 110, and the output end of the motor 143 is transmission-connected with the fourth rotating shaft 142. The third bevel gear is fixedly installed on the output end of the motor 143, and the fourth bevel gear is fixedly installed on the outer side of the fourth rotating shaft 142. The third bevel gear and the fourth bevel gear are meshingly connected, so that the two threaded rods 140 can rotate at the same time, thereby driving the support plates 130 on both sides to rise and fall to adjust the height of the fan 120.

[0026] See also Figure 3-Figure 5 The adjustment assembly includes a pull rod 150 and a turntable 151. One end of the second rotating shaft 133 is slidably sleeved with the pull rod 150. One end of the second rotating shaft 133 is provided with a second slide groove matching the pull rod 150. One end of the pull rod 150 slides through the support plate 130 and is fixedly installed with the turntable 151. The pull rod 150 is symmetrically fixedly installed with a slider 152 on the outer side of the second rotating shaft 133. The inner wall of the second slide groove is provided with a third slide groove 153 matching the slider 152. The pull rod 150 and the second The inner wall of the slide groove is slidably connected, the slider 152 is slidably connected to the inner wall of the third slide groove 153, the inner wall of the second slide groove is provided with an annular groove 154, the annular groove 154 is communicated with one end of the third slide groove 153, the slider 152 is slidably connected to the inner wall of the annular groove 154, the first support rod 155 is slidably installed on the turntable 151, and a round hole matching the first support rod 155 is provided on the turntable 151, the first support rod 155 is slidably connected to the inner wall of the round hole, and limit plates are fixedly installed at both ends of the first support rod 155.

[0027] In some specific implementation schemes, a second support rod 156 is fixedly installed on one side of the side panel 111, and a clamp block is fixedly installed on one end of the second support rod 156. The clamp block is U-shaped and movably connected to the first support rod 155, which is convenient for limiting the turntable 151 and improving the stability of the equipment.

[0028] The embodiment of the utility model further provides an axial flow fan, comprising the above-mentioned regulating mechanism.

[0029] Working principle: when in use, after placing the equipment at the designated location, start the motor 143 to drive the third bevel gear to rotate, the rotation of the third bevel gear drives the fourth rotating shaft 142 to rotate through the fourth bevel gear, the fourth rotating shaft 142 rotates through the first bevel gear and the second bevel gear to drive the two third rotating shafts 141 to rotate relative to each other, the rotation of the third rotating shaft 141 drives the threaded rod 140 to rotate, the rotation of the threaded rod 140 drives the fan 120 to rise and fall through the support plate 130 and the support shaft 131, the rotating disk 151 is rotated to make the first support rod 155 disengage from the clamping block and then pull the rotating disk 151, the rotating disk 151 drives the pull rod 150 to move, and after the pull rod 150 moves and drives the slider 152 to move into the third sliding groove 153, the rotating disk 151 can drive the second rotating shaft 133 to rotate, the rotation of the second rotating shaft 133 drives the worm 134 to rotate, the rotation of the worm 134 cooperates with the turbine 132 to drive the support shaft 131 to rotate, thereby adjusting the blowing angle of the fan 120.

[0030] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustment mechanism, characterized in that: It includes a base and a fan, wherein side plates are symmetrically fixedly installed on the top of the base, and support plates are symmetrically slidably installed on the side closest to the two side plates, a lifting assembly is installed on the support plate, a support shaft is rotatably installed on one side of the support plate, and the fan is fixedly installed between the two support shafts, one of the support plates is provided with a cavity, one end of the support shaft passes through one side of the support plate and a turbine is fixedly installed, a second rotating shaft is rotatably installed between the two sides of the inner wall of the cavity, a worm is fixedly sleeved on the outer side of the second rotating shaft, the turbine and the worm are meshingly connected, and an adjustment assembly is installed on one end of the second rotating shaft.

2. An adjustment mechanism according to claim 1, characterized in that: The lifting assembly includes a threaded rod, the support plate is L-shaped, a first slide groove matching the support plate is provided on one side of the side plate, the threaded rod is rotatably installed between the two sides of the inner wall of the first slide groove, the support plate is threadedly installed on the threaded rod, and a driving member is installed at the bottom end of the threaded rod.

3. An adjustment mechanism according to claim 2, characterized in that: The driving member includes a third rotating shaft, a fourth rotating shaft and a motor, the base is hollow, the third rotating shaft is fixedly installed at the bottom end of the threaded rod, the bottom end of the third rotating shaft slides through the side plate and the top end of the base and extends to the internal space of the base, the fourth rotating shaft is rotatably installed between the inner walls of the base, the first bevel gear is symmetrically fixedly installed on the fourth rotating shaft, the second bevel gear is fixedly installed at the bottom end of the third rotating shaft, the first bevel gear and the second bevel gear are meshed and connected, the motor is fixedly installed at the bottom end of the inner wall of the base, and the output end of the motor is transmission connected to the fourth rotating shaft.

4. An adjustment mechanism according to claim 1, characterized in that: The base and one side of the side plate are jointly fixed with a support frame.

5. The adjustment mechanism according to claim 1, characterized in that: The adjustment assembly includes a pull rod and a turntable, one end of the second rotating shaft is slidably connected to the pull rod, one end of the second rotating shaft is provided with a second slide groove matching the pull rod, one end of the pull rod slides through the support plate and fixes the turntable, the pull rod is symmetrically fixed to the outer side of the second rotating shaft, and the inner wall of the second slide groove is provided with a third slide groove matching the slider.

6. An adjustment mechanism according to claim 5, characterized in that: An annular groove is arranged on the inner wall of the second slide groove, the annular groove is communicated with one end of the third slide groove, the sliding block is slidably connected with the inner wall of the annular groove, and a first support rod is slidably mounted on the turntable.

7. An adjustment mechanism according to claim 6, characterized in that: A second support rod is fixedly mounted on one side of the side plate, a clamping block is fixedly mounted on one end of the second support rod, the clamping block is U-shaped, and the clamping block is movably connected to the first support rod.

8. An axial flow fan, characterized in that: Comprising the adjustment mechanism described in any one of claims 1-7.

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