CN112081769A - Axial flow fan or fan with automatic head shaking mechanism - Google Patents

Abstract

The invention relates to the technical field of axial fans (fans), and discloses an axial fan or a fan with an automatic head shaking mechanism. This take axial fan or fan of automatic mechanism of shaking head, through the sectional type dryer that is assembled by sectional type dryer unit and connecting piece, the air current of being convenient for can not be rotatory at the dryer internal length distance, avoid producing strong air current noise and vibration, simultaneously when the mounted position is restricted, the clearance between the dryer unit of accessible disconnection formula supplyes the air inlet, through being provided with the spout on the connecting piece, be provided with the slider with spout looks adaptation on the sectional type dryer unit, the sectional type dryer unit of being convenient for slips into between four connecting pieces through slider and spout fast.

Description

Axial flow fan or fan with automatic shaking head mechanism

technical field

The invention relates to the technical field of axial flow fans (fans), in particular to an axial flow fan or fan with an automatic tilting mechanism.

Background technique

Axial fans are widely used for ventilation in factories, mines, tunnels, cooling towers, vehicles and ships, as well as for ventilation or enhanced heat dissipation in metallurgy, chemical industry, light industry, food, medical equipment, mechanical equipment and civil buildings. It can also be used as a free fan.

Existing axial flow fans generally set the impeller in a cylindrical air duct. Since the airflow strongly rotates in the air duct, when used as a free fan, it will produce great airflow noise and vibration, and at the same time, blow out air. Due to the absence of the restraint of the pipes, the air flow will quickly scatter, showing the phenomenon that there is wind at close range, and the wind speed drops sharply at a short distance, which cannot meet the user's ventilation and cooling needs. In some cases, the general axial flow fan duct cannot obtain enough air suction area, and the air volume cannot reach the required working conditions. At the same time, its fixed structure is not convenient for quick disassembly and maintenance, and the existing axial flow fan is inconvenient. Adjusting its use direction makes it have certain limitations, so an axial flow fan or fan with an automatic swinging mechanism is proposed to solve the above problems.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides an axial flow fan or fan with an automatic swinging mechanism, which has the advantages of low noise, low vibration, large air volume, long range, easy maintenance and automatic swinging, etc. When the flow fan is used as a free fan, there will be large noise, large vibration and short range, and when the installation location is limited, it is inconvenient for maintenance, and the air volume is insufficient. At the same time, the existing axial flow fan is not easy to adjust. Use directions to make it a problem with certain limitations.

(2) Technical solutions

In order to achieve the above-mentioned purposes of low noise, small vibration, large air volume, long range and easy maintenance, the present invention provides the following technical solutions: an axial flow fan or fan with an automatic shaking mechanism, including a base, a number of three segmented fans The air duct unit and the number of connecting pieces are four, the four connecting pieces are symmetrically distributed on the outside of the segmented air duct unit, and the right side of the segmented air duct unit on the right side is fixedly connected with guide vanes , the side of the connecting piece close to the segmented air duct unit is provided with a chute, the interior of the connecting piece is provided with ten clamping holes, and the connecting piece is close to the side of the segmented air duct unit. A mounting piece is fixedly connected, and one end of the mounting piece away from the connecting piece is fixedly connected with the fan body, the output shaft of the fan body is fixedly connected with a fan blade, and the top and bottom of the segmented air duct unit are fixedly connected There are two sliders, one side of the slider close to the connecting piece is provided with a through hole, a telescopic cavity is opened inside the slider, and the inner walls of the left and right sides of the slider are provided with limit grooves, A telescopic spring is movably installed inside the telescopic cavity, an end of the telescopic spring close to the through hole is fixedly connected with a clamping column, the left and right sides of the clamping column are fixedly connected with limit blocks, and the outer side of the clamping column is sleeved with a clamping column. The nut is fixed, the rotary motor is fixed on the inner wall of the back of the base, the output shaft of the rotary motor is fixedly connected with a transmission gear located inside the base, the front and the inner wall of the back of the base are fixedly installed with rotating bearings, and the back is fixed. A rotating rod is movably installed inside the rotating bearing, a driven gear is fixedly installed on the outside of the rotating rod, and a rotating table located inside the rotating bearing on the front is fixedly connected to the front of the rotating rod. The number of fixed connection is four, and two support rods are respectively fixedly connected with the two connecting pieces in groups.

Preferably, the segmented air duct unit is arc-shaped, conical or other shapes, and the side surface of the segmented air duct unit is an arc edge.

Preferably, the guide vane is a flat plate type, a circular arc shape or an airfoil shape, and the guide vane can be integrally formed with a flat plate structure. The end face of the blade is an elliptical edge, and the counterclockwise corner of the guide vane is a chamfered edge.

Preferably, the clamping hole and the chute are opened on the same horizontal line, and the clamping hole and the chute are penetratingly connected.

Preferably, the slider is adapted to the chute, and the slider is movably connected inside the chute.

Preferably, the diameter of the through hole is larger than the diameter of the clamping column, and the clamping column extends to the outside of the telescopic cavity through the through hole.

Preferably, the diameter of the clamping hole is larger than the diameter of the clamping column, and the clamping column penetrates through the clamping hole and extends to the outside of the connector.

Preferably, the limiting block is adapted to a limiting groove, and the interior of the limiting groove is movably connected to the limiting block.

Preferably, the outer wall of the clamping column is provided with a threaded groove adapted to the fixing nut, and the clamping column is threadedly connected to the fixing nut through the threaded groove.

(3) Beneficial effects

Compared with the prior art, the present invention provides an axial flow fan or fan with an automatic tilting mechanism, which has the following beneficial effects:

The axial flow fan or fan with automatic shaking mechanism, through the segmented air duct assembled by the segmented air duct unit and the connecting piece, is convenient for the airflow not to rotate for a long distance in the air duct and avoids strong airflow noise. and vibration, and at the same time when the installation position is limited, the air intake can be supplemented through the gap between the disconnected air duct units. The connecting piece is provided with a chute, and the segmented air duct unit is provided with a chute corresponding to the chute. The adapted slider is convenient for the segmented air duct unit to quickly slide into the four connecting pieces through the slider and the chute. The interior of the slider is provided with a through hole, a telescopic cavity, a limit groove, a telescopic spring, and a clamp. There are ten clamping holes on the connecting piece, so that the clamping column can move up and down inside the telescopic cavity through the elastic force of the telescopic spring. The clamping column is quickly inserted into the interior of the clamping hole to install and fix the segmented air duct unit. At the same time, by pressing the clamping column, the fixing can be quickly released, and the segmented air duct unit can be moved or removed, so that each unit can be adjusted according to the needs of use. The distance between the segmented air duct units can be adjusted according to the size of the wind, and its shock absorption and noise reduction performance can be adjusted. At the same time, it can be quickly removed for cleaning and maintenance, and the number of segmented air duct units can be adjusted according to demand , A fixing nut is connected through the external thread of the clamping column, which is convenient for fixing the clamping column through the fixing nut to prevent it from loosening during use. The left segmented air duct unit is provided with a guide vane, which is convenient for the fan The static pressure efficiency of the fan is significantly improved, the output of the fan can be fully exerted, and the operation and use performance of the fan is improved. The driven gear rotates through the rotation of the transmission gear, thereby driving the rotating rod and the rotating table to rotate inside the two rotating bearings respectively. The rotating table is provided with a support rod, and the support rod is fixedly connected with the connecting piece, which is convenient for the rotating table The whole device is driven to rotate by the support rod, so as to adjust its use direction, and achieve the purpose of low noise, small vibration, large air volume, long range, easy maintenance and automatic shaking of the head.

Description of drawings

Fig. 1 is a kind of axial flow fan or fan structure sectional view with automatic shaking mechanism proposed by the present invention;

Fig. 2 is an enlarged view of the structure of A in Fig. 1 of an axial flow fan or fan with an automatic rocking mechanism proposed by the present invention;

3 is a front view of an axial flow fan or fan structure with an automatic swinging mechanism proposed by the present invention;

FIG. 4 is a structural diagram of an axial flow fan or fan guide vane with an automatic tilting mechanism proposed by the present invention.

In the picture: 1 segmented air duct unit, 2 connectors, 3 guide vanes, 4 arc edges, 5 chamfered edges, 6 elliptical edges, 7 sector edges, 8 chute, 9 card holes, 10 mounting parts, 11 fans Main body, 12 blades, 13 sliders, 14 through holes, 15 expansion chambers, 16 limit slots, 17 expansion springs, 18 clamping posts, 19 limit blocks, 20 fixed nuts, 21 bases, 22 rotary motors, 23 transmissions Gear, 24 rotating bearing, 25 rotating rod, 26 driven gear, 27 rotating table, 28 supporting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1-4, an axial flow fan or fan with automatic tilting mechanism, comprising a base 21, three segmented air duct units 1 and four connectors 2, the segmented The air duct unit 1 is arc-shaped, conical or other shapes, and the side of the segmented air duct unit 1 is an arc edge 4, and the four connecting pieces 2 are symmetrically distributed on the outside of the segmented air duct unit 1. The right side of the side segmented air duct unit 1 is fixedly connected with a guide vane 3, the guide vane 3 is a flat plate, an arc shape or an airfoil shape, and the guide vane 3 can be an integrally formed flat plate structure, and the guide vane 3 is clockwise. The inner and outer corners of the direction are all fan-shaped edges 7, and the end face of the outer guide vane 3 is an elliptical edge 6, and the counterclockwise corner of the guide vane 3 is a chamfered edge 5. One side is provided with a chute 8, and the interior of the connector 2 is provided with ten clamping holes 9, the clamping holes 9 and the chute 8 are opened on the same horizontal line, and the clamping hole 9 is connected with the chute 8 through, and the connecting piece 2. A mounting member 10 is fixedly connected to the side close to the segmented air duct unit 1, and a fan body 11 is fixedly connected to the end of the mounting member 10 away from the connecting member 2. The output shaft of the fan body 11 is fixedly connected to the fan blade 12. The top and bottom of the segmented air duct unit 1 are fixedly connected with two sliders 13 in number. A through hole 14 is opened on one side of the connecting piece 2, a telescopic cavity 15 is opened inside the sliding block 13, a limit groove 16 is formed on the inner walls of the left and right sides of the sliding block 13, and a telescopic spring 17 is movably installed inside the expansion cavity 15. One end of the telescopic spring 17 close to the through hole 14 is fixedly connected with a clamping column 18 , the diameter of the through hole 14 is larger than the diameter of the clamping column 18 , the clamping column 18 extends to the outside of the expansion cavity 15 through the through hole 14 , and the diameter of the clamping hole 9 is larger than that of the clamping column 18 . The diameter of the column 18, the clamping column 18 penetrates through the clamping hole 9 and extends to the outside of the connector 2, the left and right sides of the clamping column 18 are fixedly connected to the limit block 19, and the limit block 19 is adapted to the limit slot 16, The interior of the limiting slot 16 is movably connected to the limiting block 19 , the fixing nut 20 is sheathed on the outside of the clamping column 18 , the outer wall of the clamping column 18 is provided with a threaded groove that is adapted to the fixing nut 20 , and the clamping column 18 is threaded The groove is threadedly connected with the fixing nut 20, the rotary motor 22 is fixed on the back inner wall of the base 21, the output shaft of the rotary motor 22 is fixedly connected with a transmission gear 23 located inside the base 21, and the front and back inner walls of the base 21 are fixedly installed with The rotating bearing 24, the rotating rod 25 is movably installed inside the back rotating bearing 24, the driven gear 26 is fixedly installed on the outside of the rotating rod 25, and the front surface of the rotating rod 25 is fixedly connected with a rotating table 27 located inside the front rotating bearing 24, which rotates The front surface of the table 27 is fixedly connected with four supporting rods 28 , which are fixedly connected to the two connecting members 2 in groups of two.

To sum up, the axial flow fan or fan with the automatic swinging mechanism, through the segmented air duct assembled by the segmented air duct unit 1 and the connecting piece 2, is convenient for the airflow not to rotate in the air duct for a long distance. , to avoid strong airflow noise and vibration, and at the same time when the installation position is limited, the air intake can be supplemented through the gap between the disconnected air duct units. The cylinder unit 1 is provided with a slider 13 that is adapted to the chute 8, so that the segmented air cylinder unit 1 can be quickly slid between the four connecting pieces 2 through the slider 13 and the chute 8. The interior is provided with a through hole 14, a telescopic cavity 15, a limit slot 16, a telescopic spring 17, a clamping column 18 and a limit block 19. The connector 2 is provided with ten clamping holes 9, which is convenient for the clamping column 18 to pass through the expansion and contraction. The elastic force of the spring 17 moves up and down inside the telescopic cavity 15, and the limit block 19 and the limit slot 16 make the movement more stable, so that the clamping column 18 can be quickly inserted into the interior of the clamping hole 9, and the segmented air cylinder unit 1 can be adjusted. It is installed and fixed, and at the same time, the fixing can be quickly released by pressing the clamping column 18, and the segmented air duct unit 1 can be moved or removed, so that the distance between each segmented air duct unit 1 can be adjusted according to the wind power. It can be quickly removed for cleaning and maintenance, and the number of segmented air duct units 1 can also be adjusted according to requirements. The external thread of the clamping column 18 is connected with a fixed nut 20. It is convenient to fix the clamping column 18 by the fixing nut 20 to prevent it from loosening during use. The guide vane 3 is provided on the left segmented air duct unit 1, which is convenient for the static pressure efficiency of the fan to be significantly improved. The output of the fan can be fully exerted, and the operation and use performance of the fan can be improved. The base 21 is provided with a rotating motor 22, a transmission gear 23, a rotating bearing 24, a rotating rod 25, a driven gear 26 and a rotating table 27, which is convenient for The driven gear 26 is rotated by the rotation of the transmission gear 23, thereby driving the rotating rod 25 and the rotating table 27 to rotate inside the two rotating bearings 24 respectively. The rotating table 27 is provided with a supporting rod 28, and the supporting rod 28 is connected to the rotating table 27. The connecting piece 2 is fixedly connected, which is convenient for the rotary table 27 to drive the whole device to rotate through the support rod 28, so as to adjust its use direction, and achieve the purpose of low noise, small vibration, large air volume, long range, easy maintenance and automatic shaking of the head, which solves the problem of When the traditional axial flow fan is used as a free fan, there will be large noise, large vibration and short range, and when the installation location is limited, it is inconvenient for maintenance, and the air volume is insufficient. At the same time, the existing axial flow fan does not It is easy to adjust its use direction, so that it has certain limitations.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. an axial flow fan or fan with an automatic shaking-head mechanism, comprising a base (21), three segmented air duct units (1) in quantity and four connectors (2) in quantity, characterized in that : The four connecting pieces (2) are symmetrically distributed on the outside of the segmented air duct unit (1), and a guide vane (3) is fixedly connected to the right side of the segmented air duct unit (1) on the right side. ), the side of the connecting piece (2) close to the segmented air cylinder unit (1) is provided with a chute (8), and the interior of the connecting piece (2) is provided with ten clamping holes (9). ), a mounting piece (10) is fixedly connected to the side of the connecting piece (2) close to the segmented blower unit (1), and a fan is fixedly connected to the end of the mounting piece (10) that is far away from the connecting piece (2). The main body (11), the fan blade (12) is fixedly connected to the output shaft of the fan main body (11), and the top and the bottom of the segmented air duct unit (1) are fixedly connected with two sliders. A block (13), a through hole (14) is opened on the side of the slider (13) close to the connecting piece (2), a telescopic cavity (15) is opened inside the slider (13), and the slider (13) is provided with a telescopic cavity (15). Limiting grooves (16) are provided on the inner walls of the left and right sides of the (13), and a telescopic spring (17) is movably installed inside the telescopic cavity (15), and the telescopic spring (17) is close to one end of the through hole (14). A clamping column (18) is fixedly connected, and the left and right sides of the clamping column (18) are fixedly connected with a limiting block (19). A rotary motor (22) is fixed on the back inner wall of the base (21), and a transmission gear (23) located inside the base (21) is fixedly connected to the output shaft of the rotary motor (22). A rotating bearing (24) is fixedly installed on the inner wall of the rear surface, a rotating rod (25) is movably installed inside the rotating bearing (24) on the back, and a driven gear (26) is fixedly installed on the outside of the rotating rod (25). , the front of the rotating rod (25) is fixedly connected with a rotating table (27) located inside the rotating bearing (24) on the front, and the front of the rotating table (27) is fixedly connected with a number of four and two of them are A set of support rods (28) fixedly connected with the two connecting pieces (2) respectively. 2. A kind of axial flow fan or fan with automatic swinging mechanism according to claim 1 is characterized in that: the segmented air duct unit (1) is arc type, conical type or other shapes, and the segmented air duct unit (1) The side surface of the air duct unit (1) is an arc edge (4). 3. A kind of axial flow fan or fan with automatic shaking mechanism according to claim 1, is characterized in that: described guide vane (3) is plate type, circular arc shape or airfoil type, and guide vane (3) ) a flat plate structure that can be integrally formed, the inner and outer corners of the guide vane (3) in the clockwise direction are fan-shaped edges (7), and the end surface of the outer guide vane (3) is an elliptical edge (6), and the guide vane ( 3) The corner in the counterclockwise direction is the chamfered edge (5). 4. A kind of axial flow fan or fan with automatic shaking mechanism according to claim 1, is characterized in that: described clamping hole (9) and chute (8) are opened on the same horizontal line, and clamping hole (9) ) is connected through the chute (8). 5. An axial flow fan or fan with an automatic swinging mechanism according to claim 1, characterized in that: the slider (13) is adapted to the chute (8), and the chute (8) There is a slider (13) connected with the internal activity. 6. An axial flow fan or fan with an automatic swinging mechanism according to claim 1, wherein the diameter of the through hole (14) is larger than the diameter of the clamping post (18), and the clamping post (18) ) extends to the outside of the telescopic cavity (15) through the through hole (14). 7. An axial flow fan or fan with an automatic swinging mechanism according to claim 1, characterized in that: the diameter of the clamping hole (9) is larger than the diameter of the clamping column (18), and the clamping column (18) ) penetrates through the clamping hole (9) and extends to the outside of the connecting piece (2). 8. An axial flow fan or fan with an automatic swinging mechanism according to claim 1, characterized in that: the limit block (19) is adapted to a limit groove (16), and the limit groove (16) of the internal active connection limit block (19). 9 . The axial flow fan or fan with automatic swinging mechanism according to claim 1 , wherein the outer wall of the clamping column ( 18 ) is provided with a threaded groove that is adapted to the fixing nut ( 20 ). 10 . , and the clamping post (18) is threadedly connected with the fixing nut (20) through the threaded groove.

Images