CN209761849U - Industrial fan with prevent weighing down fan-drum - Google Patents

Abstract

The utility model relates to an industrial fan with prevent weighing down fan drum, which comprises a frame, the frame inner chamber is provided with a connecting shaft, the connecting shaft bottom is provided with the fan drum, the top of the fan drum is provided with a mounting groove, the mounting groove is distributed annularly, the mounting groove inner chamber is provided with a fixed plate, and the fixed plate is connected with the fan drum through a fixed bolt, a fan blade is arranged between the fixed plate and the mounting groove, the outer end of the mounting groove is provided with a supporting piece, the supporting piece is fixedly connected with the fan drum, the inner end of the mounting groove is provided with a damping groove, the damping groove inner chamber is provided with damping rubber, a connecting piece is arranged between the mounting grooves, the connecting piece is fixedly connected with the top of the fan drum, the outer side of the frame is fixedly connected with a fixed ring, the bottom of the fixed ring is provided, prevent that the fan drum from falling, improve the security of fan.

Description

Industrial fan with prevent weighing down fan-drum

Technical Field

The utility model relates to an industrial fan with prevent weighing down fan-drum belongs to industrial fan technical field.

Background

The large industrial fan is a green energy-saving product manufactured by adopting an advanced process according to the aerodynamic principle, has the advantages of no pollution, low energy consumption, low noise, large air volume and the like, the traditional industrial fan generates large air volume by improving the rotating speed of blades, but the energy consumption generated by high rotating speed is larger, and the large industrial fan does not accord with the energy-saving and environment-friendly theme of modern society, the large industrial fan is a large industrial fan on the market at present, the large industrial fan utilizes the blades with large diameters to push a large amount of air to reach the ground under the condition of low rotating speed movement, a large amount of air is gathered into an airflow layer with a certain height on the ground, the airflow layer moves horizontally around, so that air circulation is generated in the whole space, the stuffy working environment of large workshops and the like is obviously improved, the working efficiency of personnel is improved, and the personnel loss caused by the stuffy weather, the large industrial fan is widely applied to large places such as industrial plants, logistics warehouses, airports, restaurants, livestock farms and the like, effectively solves the problems of ventilation and cooling of the places, needs to operate for a long time, has potential safety hazards of falling after being used for a long time due to the gravity action of the large industrial fan and the loosening of connecting pieces inside the fan, and is particularly easy to cause casualties in places with dense flows of people, so that the large industrial fan needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, provide an industrial fan with prevent falling fan drum, simple structure, reasonable design, can fix the fan blade, simultaneously absorb shock to the fan blade, prevent the fan drum from falling, improve the safety of the fan, can fix the fan blade by setting up the mounting groove, prevent the deviation of the fan blade mounting angle, can fix the fan blade by setting up the supporting piece, increase the stability of the fan blade, simultaneously prevent the fan blade from falling off, can absorb shock to the fan blade when the fan works by setting up the shock absorption rubber in the shock absorption groove, reduce the noise, simultaneously avoid influencing the stability of the fan, can fix the bearing by setting up the fixing ring, simultaneously guide the motion direction of the anti-falling rod, avoid colliding with the rotation path of the connecting piece, influence the normal work of the fan, through setting up the anti-falling pole, can connect the fan drum, prevent that the fan drum from falling and causing the occurence of failure, through setting up the go-between, can connect the anti-falling pole, make to prevent falling the pole and rotatory around the bearing, can effectively solve the problem among the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

An industrial fan with an anti-falling fan drum comprises a frame, wherein a connecting shaft is installed in an inner cavity of the frame, the fan drum is installed at the bottom end of the connecting shaft, a mounting groove is formed in the top of the fan drum, the mounting groove is distributed in an annular shape, a fixing plate is arranged in the inner cavity of the mounting groove, the fixing plate is connected with the fan drum through a fixing bolt, fan blades are arranged between the fixing plate and the mounting groove, a supporting piece is arranged at the outer end of the mounting groove and fixedly connected with the fan drum, a damping groove is formed in the inner end of the mounting groove, damping rubber is arranged in the inner cavity of the damping groove, a connecting piece is arranged between the mounting grooves and fixedly connected with the top of the fan drum, a fixing ring is fixedly connected to the outer side of the frame, a sliding groove is formed in the bottom of, the anti-falling rod is arranged between the connecting ring and the connecting piece, two ends of the anti-falling rod are movably connected with the connecting ring and the connecting piece through rotating shafts, and a stabilizer bar is connected between every two adjacent anti-falling rods.

Furthermore, the mounting groove is symmetrically provided with clamping grooves at two sides, and the fixing plate is provided with protrusions matched with the clamping grooves.

Further, the fan blade tail end is arranged in the damping groove, the supporting piece is provided with a fixing piece, the fixing piece is also connected with the supporting piece through a fixing bolt, the fan blade is also arranged between the supporting piece and the fixing piece, and the inclination angle of the bottom of the inner cavity of the mounting groove is the same as that of the gap between the supporting piece and the fixing piece.

Further, the axis of the fixing ring coincides with the axis of the connecting shaft, and the diameter of the fixing ring is smaller than the vertical distance from the connecting piece to the axis of the fixing ring.

Further, the number of the connecting pieces is three, the connecting pieces are perpendicular to the top of the fan drum and are distributed in an annular mode, and the stabilizer bars are of arc-shaped structures.

Furthermore, the bottom of the fixing ring is provided with a limiting ring, and the outer diameter of the limiting ring is larger than the inner diameter of the connecting ring.

The utility model discloses beneficial effect: the utility model relates to an industrial fan with prevent weighing down fan drum, simple structure, reasonable design, can fix the flabellum, simultaneously absorb shock to the flabellum, prevent the fan drum from falling, improve the safety of the fan, through setting up the mounting groove, can fix the flabellum, prevent the deviation of the fan installation angle, through setting up the support piece, can fix the flabellum, increase the stability of the flabellum, simultaneously prevent the flabellum from falling off, through setting up the damping rubber in the damping groove, can absorb shock to the flabellum when the fan works, reduce the noise, simultaneously avoid influencing the stability of the fan, through setting up the fixed ring, can fix the bearing, simultaneously guide the motion direction of the anti-falling rod, avoid colliding with the rotation path of the connecting piece, influence the normal work of the fan, through setting up the anti-falling rod, can connect the fan drum, the fan drum is prevented from falling to cause accidents, and the anti-falling rod can be connected through the connecting ring, so that the anti-falling rod rotates around the bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a top view of an industrial fan with an anti-drop fan drum.

Fig. 2 is a side view of an industrial fan drum with an anti-drop fan drum of the present invention.

Fig. 3 is a structure diagram of the chute of the industrial fan with the anti-drop fan drum of the present invention.

Fig. 4 is a structure view of an installation groove of an industrial fan with an anti-drop fan drum.

Reference numbers in the figures: 1. a frame; 2. a connecting shaft; 3. a fan drum; 4. mounting grooves; 5. a fixing plate; 6. a fan blade; 7. a support member; 8. a damping groove; 9. damping rubber; 10. a connecting member; 11. a fixing ring; 12. a chute; 13. a bearing; 14. a connecting ring; 15. preventing falling down the rod; 16. a stabilizer bar; 17. a card slot; 18. a fixing member; 19. a limit ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, an industrial fan with an anti-falling fan drum comprises a frame 1, a connecting shaft 2 is installed in an inner cavity of the frame 1, a fan drum 3 is installed at the bottom end of the connecting shaft 2, a mounting groove 4 is formed in the top of the fan drum 3 and can be used for positioning and mounting fan blades 6 so as to prevent the installation angle deviation of the fan blades 6, the mounting groove 4 is annularly distributed, a fixing plate 5 is arranged in the inner cavity of the mounting groove 4, the fixing plate 5 is connected with the fan drum 3 through a fixing bolt, the fan blades 6 are arranged between the fixing plate 5 and the mounting groove 4, a supporting piece 7 is arranged at the outer end of the mounting groove 4 and can fix the fan blades 6, the stability of the fan blades 6 is improved, meanwhile, the fan blades 6 are prevented from falling off, the supporting piece 7 is fixedly connected with the fan drum 3, a damping groove 8, the fan blade 6 can be damped, noise is reduced, the influence on the stability of the fan is avoided, the connecting piece 10 is arranged between the mounting grooves 4, the connecting piece 10 is fixedly connected with the top of the fan drum 3, the fixing ring 11 is fixedly connected to the outer side of the rack 1 and can fix the bearing 13, the movement direction of the anti-falling rod 15 is guided, the collision with the rotation path of the connecting piece 10 is avoided, the normal work of the fan is influenced, the chute 12 is arranged at the bottom of the fixing ring 11, the bearing 13 is installed in the inner cavity of the chute 12, the bearing 13 is sleeved on the inner wall of the chute 12, the connecting ring 14 is sleeved on the outer side of the bearing 13 and can connect the anti-falling rod 15, the anti-falling rod 15 rotates around the bearing 13, the anti-falling rod 15 is arranged between the connecting ring 14 and the connecting piece 10 and can be connected with the fan drum 3 to prevent, the two ends of the anti-falling rods 15 are movably connected with the connecting ring 14 and the connecting piece 10 through rotating shafts, and a stabilizing rod 16 is connected between every two adjacent anti-falling rods 15.

More specifically, the bilateral symmetry of mounting groove 4 is equipped with draw-in groove 17, and be equipped with the arch that matches with draw-in groove 17 on the fixed plate 5, fix fixed plate 5, flabellum 6 is terminal to be located in damping groove 8, be equipped with mounting 18 on support piece 7, and mounting 18 also passes through fixing bolt with support piece 7 and is connected, flabellum 6 also locates between support piece 7 and mounting 18, the inclination of mounting groove 4 inner chamber bottom is the same with the inclination in space between support piece 7, the mounting 18, the axis of solid fixed ring 11 coincides with the axis of connecting axle 2, the diameter of solid fixed ring 11 is less than the perpendicular distance of connecting piece 10 to solid fixed ring 11 axis, the quantity of connecting piece 10 is three, connecting piece 10 is perpendicular to fan drum 3 top, and connecting piece 10 also is annular distribution, the stabilizer bar 16 is the arc structure, the bottom of the fixing ring 11 is provided with a limit ring 19, and the outer diameter of the limit ring 19 is larger than the inner diameter of the connecting ring 14.

The utility model discloses the theory of operation: install flabellum 6 in mounting groove 4, fix through fixed plate 5 and mounting 18, it is rotatory that fanning drum 3 rotates when the fan uses and drives flabellum 6, and connecting piece 10 connects and prevents weighing down pole 15 and rotates, and bearing 13 restricts the movement track who prevents weighing down the pole 15 top, and when fanning drum 3 breaks away from with connecting axle 2, prevent weighing down pole 15 and fix fanning drum 3, prevent that fanning drum 3 from falling.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (6)

1. The industrial fan with the anti-falling fan drum comprises a frame (1) and is characterized in that a connecting shaft (2) is installed in an inner cavity of the frame (1), a fan drum (3) is installed at the bottom end of the connecting shaft (2), a mounting groove (4) is formed in the top of the fan drum (3), the mounting groove (4) is distributed in an annular shape, a fixing plate (5) is arranged in the inner cavity of the mounting groove (4), the fixing plate (5) is connected with the fan drum (3) through a fixing bolt, fan blades (6) are arranged between the fixing plate (5) and the mounting groove (4), a supporting piece (7) is arranged at the outer end of the mounting groove (4), the supporting piece (7) is fixedly connected with the fan drum (3), a damping groove (8) is formed in the inner end of the mounting groove (4), damping rubber (9) is arranged in the inner cavity of the damping groove (8), and a, just connecting piece (10) and fan drum (3) top fixed connection, frame (1) outside fixedly connected with fixes ring (11), it is equipped with spout (12) to fix ring (11) bottom, bearing (13) are installed to spout (12) inner chamber, just bearing (13) suit is on spout (12) inner wall, bearing (13) outside cover is equipped with go-between (14), be equipped with between go-between (14) and connecting piece (10) and prevent weighing down pole (15), prevent weighing down pole (15) both ends all through pivot and go-between (14), connecting piece (10) swing joint, adjacent prevent weighing down and be connected with stabilizer bar (16) between pole (15).

2. the industrial fan with the drop-resistant fan drum as claimed in claim 1, wherein: the mounting groove (4) bilateral symmetry is equipped with draw-in groove (17), just be equipped with the arch of matcing with draw-in groove (17) on fixed plate (5).

3. The industrial fan with the drop-resistant fan drum as claimed in claim 1, wherein: the fan blade (6) end is arranged in the damping groove (8), the fixing piece (18) is arranged on the supporting piece (7), the fixing piece (18) is also connected with the supporting piece (7) through the fixing bolt, the fan blade (6) is also arranged between the supporting piece (7) and the fixing piece (18), and the inclination angle of the bottom of the inner cavity of the mounting groove (4) is the same as that of the gap between the supporting piece (7) and the fixing piece (18).

4. The industrial fan with the drop-resistant fan drum as claimed in claim 1, wherein: the axis of the fixing ring (11) coincides with the axis of the connecting shaft (2), and the diameter of the fixing ring (11) is smaller than the vertical distance from the connecting piece (10) to the axis of the fixing ring (11).

5. The industrial fan with the drop-resistant fan drum as claimed in claim 1, wherein: the number of connecting piece (10) is three, connecting piece (10) perpendicular to fan drum (3) top, just connecting piece (10) also are the annular and distribute, stabilizer bar (16) are the arc structure.

6. The industrial fan with the drop-resistant fan drum as claimed in claim 1, wherein: the bottom of the fixing ring (11) is provided with a limiting ring (19), and the outer diameter of the limiting ring (19) is larger than the inner diameter of the connecting ring (14).