Adjustable industrial fan

Abstract

The utility model belongs to the technical field of industrial fans, and relates to an adjustable industrial fan which comprises an annular shell, a main machine and fan blades driven by the main machine are arranged in the shell, a front protective cover is arranged on the front side of the shell, and a wind direction adjusting mechanism is arranged on the inner side of the front protective cover. The wind direction adjusting structure comprises a connecting rod arranged in the transverse direction and a plurality of wind guiding blades arranged in the vertical direction, the middles of the wind guiding blades are hinged to the connecting rod, a strip-shaped guide ring is arranged in the middle of the connecting rod, and an eccentric wheel driven by a motor is assembled in the guide ring. And when rotating in the guide ring, the eccentric wheel drives the connecting rod to reciprocate left and right and drives the air guide blades to swing left and right. According to the adjustable industrial fan provided by the utility model, the wind direction can be accurately and conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of industrial fan relates to an adjustable type industrial fan. BACKGROUND

[0002] Industrial fan is a kind of ventilation cooling equipment suitable for industrial and large space place, industrial fan can produce powerful wind, effective air supply distance can reach dozens of meters, covering area can reach hundreds of square meters, can cover large area space, promote air flow.For the above performance, industrial fan has the characteristics of large volume, large weight, and it is very difficult to move.

[0003] In order to adjust the air supply position and air supply direction, the existing industrial fan is generally equipped with a movable base, and a plurality of universal casters are installed on the base, and the air supply position and air supply direction are adjusted by moving the base, but it is still inconvenient to move.

[0004] Chinese utility model patent CN213478696U discloses an industrial fan, which comprises a fan main machine, a front guard net, a rear guard net, a side guard net and a foot stand;The fan main machine is composed of an outer rotating motor combined with a plurality of blades, and has a fixed shaft in the center;The front guard net and the rear guard net are combined at the front and rear ends of the fixed shaft of the fan main machine, and the side guard net is combined between the front guard net and the rear guard net and surrounds the fan main machine, so that the fan main machine is surrounded by the front guard net, the rear guard net and the side guard net;And the foot stand is combined at the selected position of the side guard bottom line surface.In order to adjust the wind direction, the industrial fan adds a plurality of air deflectors at the selected position in front of the front guard net, each air deflector can rotate to adjust its angle, so that each air deflector has the function of wind direction orientation and guide, and then the range and blowing direction of industrial fan are controlled by the plurality of air deflectors.

[0005] The above industrial fan changes the wind direction by adding air deflectors, but this adjustment method is not accurate enough, and the operation is also not very convenient. UTILITY MODEL CONTENTS

[0006] The utility model provides an adjustable type industrial fan, which can accurately and conveniently adjust the wind direction.

[0007] To solve the above technical problems, the utility model realizes the purpose by the following technical scheme:

[0008] An adjustable industrial fan comprises a ring-shaped housing, a main machine and fan blades driven by the main machine arranged in the housing, a front shroud arranged at the front side of the housing, a wind direction adjusting mechanism arranged at the inner side of the front shroud, the wind direction adjusting mechanism comprising a transversely arranged connecting rod and a plurality of vertically arranged guide vanes, the middle part of each guide vane being hingedly connected with the connecting rod, a strip-shaped guide ring being arranged at the middle part of the connecting rod, an eccentric wheel driven by a motor being fitted in the guide ring, the eccentric wheel driving the connecting rod to reciprocate left and right and the guide vanes to swing left and right when the eccentric wheel rotates in the guide ring.

[0009] In the above adjustable industrial fan, the wind direction adjusting mechanism comprises a ring-shaped adjusting seat, the upper and lower ends of the guide vanes are hingedly connected with the adjusting seat, and the two ends of the connecting rod are spaced apart from the adjusting seat; further, the end part of the guide vane is formed with an end hinged shaft, and the adjusting seat is provided with a hinged seat matched with the end hinged shaft of the guide vane; when the adjusting seat is not arranged, the guide vane needs to be directly hinged on the housing or a component fixed relative to the housing.

[0010] In the above adjustable industrial fan, the outer peripheral surface of the adjusting seat is in contact with the inner peripheral surface of the housing, the front side of the adjusting seat is provided with a flange, and the front shroud, the flange and the housing are fixedly connected by a plurality of fasteners; after being fixed, the front side of the flange is in contact with the rear side of the front shroud, and the rear side is in contact with the front side of the housing.

[0011] In the above adjustable industrial fan, the motor is coaxially arranged with the front shroud, the rear side of the front shroud is provided with a mounting column, and the motor is fixedly connected with the mounting column by a fastener; the motor shaft is eccentrically arranged and sleeved with the eccentric wheel.

[0012] In the above adjustable industrial fan, the guide ring comprises arc-shaped segments at the upper and lower ends and a rectangular segment at the middle part, and the diameter of the arc-shaped segment and the width of the rectangular segment are the same as the diameter of the eccentric wheel.

[0013] In the above adjustable industrial fan, a plurality of support rods are arranged in the adjusting seat in the transverse direction, the two ends of each support rod are connected with the adjusting seat, and the guide vanes are hingedly connected with the support rods; further, the support rods are arranged in pairs and symmetrically distributed relative to the connecting rod; further, the adjusting seat is provided with a mounting seat matched with the end part of the support rod.

[0014] In the adjustable industrial fan, the front side of the guide vane is provided with a front assembly groove matched with the connecting rod, the rear side is provided with a rear assembly groove matched with the supporting rod, the front assembly groove is provided with a front hinge shaft, the rear assembly groove is provided with a rear hinge shaft, the front hinge shaft is hinged with the connecting rod, and the rear hinge shaft is hinged with the supporting rod; further, the front hinge shaft and the rear hinge shaft are arranged in the vertical direction; further, the lower end of the front hinge shaft is connected with the bottom of the front assembly groove, the upper end is matched with the front assembly groove, the front hinge shaft is hinged with the hinge hole on the connecting rod, and the upper and lower ends of the rear hinge shaft are connected with the rear assembly groove, and the rear hinge shaft is hinged with the front opening on the supporting rod.

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

[0016] The utility model provides a adjustable industrial fan, through eccentric motor drive eccentric wheel rotation, eccentric wheel and guide ring cooperation drive connecting rod left and right reciprocating motion, connecting rod further drive guide vane left and right swing. When guide vane swings different angles to left or right, the air supply direction of industrial fan will change, realize the air supply of specific direction, because the angle of motor rotation and the swing angle of guide vane correspond, therefore, the utility model can adjust the air supply direction more accurately, in addition, the mode of adjusting through independent motor is also very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the perspective view of the wind direction adjusting mechanism and the front guard shield of the utility model;

[0019] Figure 3 It is Figure 2 the explosion diagram;

[0020] Figure 4 It is the perspective view of the connecting rod of the utility model;

[0021] Figure 5 It is the perspective view of the guide vane of the utility model;

[0022] Figure 6 It is the perspective view of the supporting rod of the utility model;

[0023] Reference numerals: 1, shell;2, main machine;3, front guard shield;4, connecting rod;5, guide vane;6, guide ring;7, motor;8, eccentric wheel;9, adjusting seat;10, flanging;11, mounting column;12, supporting rod;13, front assembly groove;14, rear assembly groove;15, front hinge shaft;16, rear hinge shaft;17, hinge hole;18, front opening. DETAILED DESCRIPTION

[0024] The utility model will be further described below with specific embodiments in combination with the drawings, referring to Figures 1-6 :

[0025] An adjustable industrial fan, including annular casing 1, be provided with main machine 2 and fan blade (not shown in drawing) driven by main machine 2 in casing 1, the front side of casing 1 is provided with front shroud 3, the inside of front shroud 3 is provided with air direction adjusting mechanism, the air direction adjusting mechanism includes the connecting rod 4 along transverse arrangement and several along vertical arrangement air guide vane 5, the middle part of air guide vane 5 is respectively hinged with connecting rod 4, the middle part of connecting rod 4 is provided with strip-shaped guide ring 6, the guide ring 6 is equipped with eccentric wheel 8 driven by motor 7, when eccentric wheel 8 rotates in guide ring 6, it drives the left and right reciprocating motion of connecting rod 4 and drives air guide vane 5 to swing left and right.

[0026] , referring to Figure 1 , the specific working mode of this embodiment is: starting main machine 2, main machine 2 drives fan blade to rotate, drives air flow, in initial state, eccentric wheel 8 is located in the upper end of guide ring 6, connecting rod 4 is in the central position, at this time, air guide vane 5 is distributed along the axial direction, and the wind direction is straight ahead; when the air direction needs to be adjusted, start motor 7, motor 7 drives eccentric wheel 8 to rotate by a certain angle, when eccentric wheel 8 rotates to the left, connecting rod 4 generates a left displacement, pulls air guide vane 5 to rotate along its axis relative to casing 1, and the wind direction is deflected to the right, when eccentric wheel 8 rotates to the leftmost end, the deflection angle is maximum, and when it rotates to the lower end, air guide vane 5 returns to the initial state; when eccentric wheel 8 rotates to the right, connecting rod 4 generates a right displacement, pulls air guide vane 5 to rotate along its axis relative to casing 1, and the wind direction is deflected to the left, when eccentric wheel 8 rotates to the rightmost end, the deflection angle is maximum, and when it rotates to the lower end, air guide vane 5 returns to the initial state.

[0027] The above-mentioned air direction adjusting mechanism includes an annular adjusting seat 9, the upper and lower ends of the air guide vane 5 are respectively hinged with the adjusting seat 9, and a spacing is left between the two ends of the connecting rod 4 and the adjusting seat 9; further, the end of the air guide vane 5 is formed with an end hinged shaft, and the adjusting seat 9 is provided with a hinged seat matched with the end hinged shaft of the air guide vane 5; by providing the adjusting seat 9, the air guide vane 5 can swing more stably, and at the same time, the left and right displacement of the connecting rod 4 is not hindered.

[0028] , referring to Figure 2 and Figure 3 , in this embodiment, the mounting structure of each component is: the outer circumferential surface of the adjusting seat 9 is in contact with the inner circumferential surface of the casing 1, the front side of the adjusting seat 9 is provided with a flange 10, the front shroud 3, the flange 10 and the casing 1 are fixedly connected through a plurality of fasteners, and after being fixed, the front side surface of the flange 10 is in contact with the rear side surface of the front shroud 3, and the rear side surface is in contact with the front side surface of the casing 1.

[0029] The motor 7 is coaxially arranged with the front shroud 3, the rear side of the front shroud 3 is provided with a mounting column 11, the motor 7 is fixedly connected with the mounting column 11 through fasteners, and the motor 7 shaft is eccentrically arranged and sleeved with the eccentric wheel 8.

[0030] Referring to the accompanying drawings Figure 4 The guiding ring 6 comprises arc-shaped sections at the upper and lower ends and a rectangular section at the middle part, the diameters of the arc-shaped sections and the width of the rectangular section are the same as the diameter of the eccentric wheel 8; through the above arrangement, when the motor 7 drives the eccentric wheel 8 to rotate, the guiding ring 6 will produce displacement in the left and right positions, while ensuring that it does not produce displacement in the up and down positions, so as to make it stably swing left and right.

[0031] In order to make the air guide blade 5 more stable, while not hindering its left and right swing, a plurality of supporting rods 12 are arranged in the transverse direction in the adjusting seat 9, the two ends of the supporting rod 12 are respectively connected with the adjusting seat 9, and the air guide blade 5 is hinged with the supporting rod 12; further, the supporting rods 12 are arranged in pairs and symmetrically distributed with respect to the connecting rod 4; further, the adjusting seat 9 is provided with a mounting seat matched with the end of the supporting rod 12.

[0032] Referring to the accompanying drawings Figure 4 to the accompanying drawings Figure 6 The front side of the air guide blade 5 is provided with a front assembly groove 13 matched with the connecting rod 4, and the rear side is provided with a rear assembly groove 14 matched with the supporting rod 12, the front assembly groove 13 is provided with a front hinge shaft 15, and the rear assembly groove 14 is provided with a rear hinge shaft 16, the front hinge shaft 15 is hinged with the connecting rod 4, and the rear hinge shaft 16 is hinged with the supporting rod 12.

[0033] Preferably, the front hinge shaft 15 and the rear hinge shaft 16 are both arranged in the vertical direction;

[0034] The connecting rod 4 is in clearance fit with the adjusting seat 9, thus a more firm and stable mounting structure is required, the support rod 12 is supported by the adjusting seat 9, thus a more loose mounting structure can be adopted, in order to meet the different mounting requirements of the connecting rod 4 and the support rod 12, different hinge structures are adopted in the embodiment. Specifically, the lower end of the front hinge shaft 15 is connected with the bottom of the front assembly groove 13, the upper end is in clearance fit with the front assembly groove 13, the front hinge shaft 15 is hinged with the hinge hole 17 on the connecting rod 4, the hinge structure of the above-mentioned front hinge shaft 15 and the connecting rod 4 can make the connecting strength of the connecting rod 4 and the guide vane 5 higher, and further make the connecting rod 4 more stably drive the guide vane 5 to swing; the upper and lower ends of the rear hinge shaft 16 are connected with the rear assembly groove 14, the rear hinge shaft 16 is hinged with the front opening 18 on the support rod 12, the hinge structure of the above-mentioned rear hinge shaft 16 and the support rod 12 can make the support rod 12 and the guide vane 5 more easily mounted, and at the same time, the axial space is saved to the maximum, preferably, side openings are arranged on both sides of the front opening 18 to make the front opening 18 more easily deformed.

[0035] The above-mentioned embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, thus: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An adjustable industrial fan, comprising a ring-shaped housing (1), a main machine (2) and a fan blade driven by the main machine (2) are arranged in the housing (1), a front shroud (3) is arranged on the front side of the housing (1), characterized in that, The inner side of the front shield (3) is provided with a wind direction adjusting mechanism, which comprises a transversely arranged connecting rod (4) and a plurality of vertically arranged wind guide blades (5), the middle part of the wind guide blades (5) is respectively hinged with the connecting rod (4), the middle part of the connecting rod (4) is provided with a strip-shaped guide ring (6), the guide ring (6) is fitted with an eccentric wheel (8) driven by a motor (7), and the eccentric wheel (8) drives the connecting rod (4) to reciprocate left and right and drives the wind guide blades (5) to swing left and right when rotating in the guide ring (6).

2. An adjustable industrial fan as claimed in claim 1, wherein, The wind direction adjusting mechanism comprises an annular adjusting seat (9), the upper and lower ends of the wind guide blades (5) are respectively hinged with the adjusting seat (9), and the two ends of the connecting rod (4) are spaced apart from the adjusting seat (9).

3. An adjustable industrial fan as claimed in claim 2, wherein, The outer periphery of the adjusting seat (9) is in contact with the inner periphery of the shell (1), the front side of the adjusting seat (9) is provided with a flange (10), and the front shield (3), the flange (10) and the shell (1) are fixedly connected through a plurality of fasteners.

4. An adjustable industrial fan as claimed in claim 1, wherein, The motor (7) is coaxially arranged with the front shield (3), the rear side of the front shield (3) is provided with a mounting column (11), the motor (7) is fixedly connected with the mounting column (11) through fasteners, and the motor shaft of the motor (7) is eccentrically arranged and sleeved with the eccentric wheel (8).

5. An adjustable industrial fan as claimed in claim 1, wherein, The guide ring (6) comprises arc-shaped sections at the upper and lower ends and a rectangular section at the middle part, and the diameters of the arc-shaped sections and the width of the rectangular section are the same as the diameter of the eccentric wheel (8).

6. An adjustable industrial fan as claimed in claim 2, wherein, A plurality of support rods (12) are arranged in the adjusting seat (9) in the transverse direction, the two ends of the support rod (12) are respectively connected with the adjusting seat (9), and the wind guide blades (5) are hinged with the support rods (12).

7. An adjustable industrial fan as claimed in claim 6 wherein, The front side of the wind guide blade (5) is provided with a front assembly groove (13) matched with the connecting rod (4), and the rear side is provided with a rear assembly groove (14) matched with the support rod (12), the front assembly groove (13) is provided with a front hinge shaft (15), and the rear assembly groove (14) is provided with a rear hinge shaft (16), the front hinge shaft (15) is hinged with the connecting rod (4), and the rear hinge shaft (16) is hinged with the support rod (12).

8. An adjustable industrial fan as claimed in claim 7, wherein, The lower end of the front hinge shaft (15) is connected with the bottom of the front assembly groove (13), the upper end is clearance-fitted with the front assembly groove (13), the front hinge shaft (15) is hinged with the hinge hole (17) on the connecting rod (4), and the upper and lower ends of the rear hinge shaft (16) are connected with the rear assembly groove (14). The rear hinge shaft (16) is hinged with the front hole (18) on the support rod (12).

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