CN219035040U

CN219035040U - Axial flow fan

Info

Publication number: CN219035040U
Application number: CN202222428636.9U
Authority: CN
Inventors: 孙克勤; 周翔
Original assignee: Shangfeng Ventilation Equipment Co ltd
Current assignee: Shangfeng Ventilation Equipment Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-05-16
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses an axial flow fan, which comprises a metal seat, wherein a metal ring is fixedly arranged at the top of the metal seat, a connecting bracket is fixedly arranged at the inner bottom of the metal ring, a driving motor is fixedly arranged at the top end of the connecting bracket, the output end of the driving motor is provided with a bearing connecting piece, the outer side of the driving motor is uniformly provided with a bearing connecting piece, the other end of the bearing connecting piece is provided with a fan blade, the fan blade and the other side close to the fan blade are provided with an adjusting component, one side of the fan blade can be adjusted through the adjusting component, and the fan blade is uniformly provided with reinforcing ribs. According to the utility model, the bearing connecting piece, the internal thread mounting pipe, the screw shaft and the bearing connecting seat are arranged, through the connection relation, the fan blade rotates and adjusts by taking the bearing connecting piece as the center, and then one end of the fan blade is pushed and pulled through the screw principle, so that fine adjustment is carried out on the fan blade, and the applicability and convenience of the device are improved.

Description

Axial flow fan

Technical Field

The utility model relates to the technical field of fans, in particular to an axial flow fan.

Background

The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. Fans are a common abbreviation for gas compression and gas transportation machinery in China, and generally include ventilators, blowers and wind-driven generators, and fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, and the like.

The elastic resilience of the blades of the traditional fan is relatively large, the pneumatic molded line is deviated from the design condition, the operation of the fan is influenced, and the angle of the blades cannot be adjusted according to the requirement, so that the use limitation is poor.

Disclosure of Invention

The present utility model is directed to an axial flow fan to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an axial fan, includes the metal stand, the top fixed mounting of metal stand has the metal ring, and the interior bottom fixed mounting of metal ring has the linking bridge, the top fixed mounting of linking bridge has driving motor, and driving motor's output is installedRound plateThe saidRound plateBearing connectors are uniformly arranged on the outer sides of the blades, and fan blades are arranged on the other ends of the bearing connectors, and the fan blades are connected with the bearing connectorsRound plateThe other side that is close to all is provided with adjustment subassembly, and the flabellum can adjust one side through adjustment subassembly, all be provided with the strengthening rib on the flabellum evenly.

Preferably, the bottom of the metal seat is uniformly provided with a rubber buffer layer.

Preferably, both ends of the connecting support are fixedly installed with the outer sides of the metal ring and the driving motor through bolts and screw holes respectively.

Preferably, the adjusting component comprises an internally threaded mounting tube, a screw shaft and a bearing connecting seat, wherein the internally threaded mounting tube is fixed on the screw shaftRound plateAnd the inner sides of the internal thread mounting pipes are provided with screw shafts in threaded connection with the internal thread mounting pipes, the bottom ends of the screw shafts are connected with bearing connecting seats, and the other ends of the bearing connecting seats are hinged to the fan blades.

Preferably, a holding handle is arranged at the top of the screw shaft, and anti-skidding patterns are uniformly arranged on the outer side of the holding handle.

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

1. the utility model strengthens the strength of the blade structure by arranging the fan blades and the reinforcing ribs, avoids deformation after long-time use, and effectively prevents the blade from rebounding in the manufacturing process of the blade, and leads the bending angle of the pneumatic molded line and the design to be not always reached, so that the effect of the fan is influenced;

2. according to the utility model, through the arrangement of the bearing connecting piece, the internal thread mounting pipe, the screw shaft and the bearing connecting seat, through the connection relation, the fan blade rotates and adjusts by taking the bearing connecting piece as the center, and then one end of the fan blade is pushed and pulled through the screw principle, so that fine adjustment is carried out on the fan blade, and the applicability and convenience of the device are improved.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is a schematic view of a fan blade according to the present utility model;

FIG. 3 is a schematic diagram of an adjustment assembly according to the present utility model.

In the figure: 1. a metal seat; 2. a metal ring; 3. a connecting bracket; 4. a driving motor; 5. a bearing connection; 6. a fan blade; 7. reinforcing ribs; 8. an adjustment assembly; 8-1, an internal thread mounting pipe; 8-2, a screw shaft; 8-3, bearing connecting seatThe method comprises the steps of carrying out a first treatment on the surface of the 9. Round plate。

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of the present utility model is provided: an axial flow fan comprises a metal seat 1, wherein a metal ring 2 is fixedly arranged at the top of the metal seat 1, a connecting bracket 3 is fixedly arranged at the inner bottom of the metal ring 2, a driving motor 4 is fixedly arranged at the top end of the connecting bracket 3, and the output end of the driving motor 4 is provided withRound plate9，Round plateThe outer sides of the blades 9 are uniformly provided with bearing connecting pieces 5, and the other ends of the bearing connecting pieces 5 are provided with blades 6, the blades 6 and the bladesRound plate9 are all provided with adjustment subassembly 8 in the opposite side that is close to, and flabellum 6 accessible adjustment subassembly 8 are adjusted one side, all evenly are provided with strengthening rib 7 on the flabellum 6, have promoted the stability of this flabellum 6, avoid taking place to kick-backing.

In this embodiment: the bottom of metal seat 1 evenly is provided with the rubber buffer layer, improves the effect of buffering shock attenuation, and has reduced the noise pollution that produces when the operation, and fixed mounting is carried out through bolt, screw and the outside of metal ring 2 and driving motor 4 respectively at linking bridge 3 both ends, and the dismouting clearance of being convenient for is overhauld, and adjusting assembly 8 includes internal thread installation tube 8-1, screw shaft 8-2 and bearing connection seat 8-3, and internal thread installation tube 8-1 is all fixed atRound plate9, and the inside of the internal thread installation tube 8-1 is provided with a screw shaft 8-2 in threaded connection with the screw shaft, the bottom end connection of the screw shaft 8-2 is provided with a bearing connection seat 8-3, and the other end of the bearing connection seat 8-3 is hinged on the fan blade 6, so that push-pull adjustment is conveniently carried out through a screw principle, the angle of each group of fan blades 6 is adjusted, the top of the screw shaft 8-2 is provided with a holding handle, the outer side of the holding handle is uniformly provided with anti-skid patterns, and friction is improvedThe wiping force is convenient for the holding operation.

Working principle: the device is powered on (the device uses electric components to be powered by an external power supply), and according to the requirement, the device moves in the internal thread installation tube 8-1 through a screw rod through the rotation of the screw rod shaft 8-2, so that the angles of each group of fan blades 6 are finely adjusted one by one, the driving motor 4 is started and stopped and the rotating speed are adjusted through a remote control switch, the strength of the fan blades 6 is increased through the reinforcing ribs 7 in the operation process, and the rebound of the fan blades is controlled, so that the pneumatic molded lines are consistent with the design, and the content which is not described in detail in the specification belongs to the prior art known by the expert in the field.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An axial flow fan, comprising a metal seat (1), characterized in that: the top of the metal seat (1) is fixedly provided with a metal ring (2), the inner bottom of the metal ring (2) is fixedly provided with a connecting bracket (3), the top end of the connecting bracket (3) is fixedly provided with a driving motor (4), and the output end of the driving motor (4) is provided with a driving motorRound plate(9) The saidRound plate(9) Bearing connecting pieces (5) are uniformly arranged on the outer sides of the blades (6), and fan blades (6) and the fan blades are arranged on the other ends of the bearing connecting pieces (5)Round circle Shape plate(9) The other side that is close to all is provided with adjustment subassembly (8), and flabellum (6) accessible adjustment subassembly (8) are adjusted one side, all be provided with strengthening rib (7) on flabellum (6) evenly.

2. An axial flow fan according to claim 1, wherein: the bottom of the metal seat (1) is uniformly provided with a rubber buffer layer.

3. An axial flow fan according to claim 1, wherein: the two ends of the connecting support (3) are fixedly installed on the outer sides of the metal ring (2) and the driving motor (4) through bolts and screw holes respectively.

4. An axial flow fan according to claim 1, wherein: the adjusting component (8) comprises an internal thread mounting pipe (8-1), a screw shaft (8-2) and a bearing connecting seat (8-3), wherein the internal thread mounting pipe (8-1) is fixed on the screw shaftRound plate(9) And the inner sides of the internal thread mounting pipes (8-1) are respectively provided with a screw shaft (8-2) in threaded connection with the internal thread mounting pipes, the bottom ends of the screw shafts (8-2) are connected with bearing connecting seats (8-3), and the other ends of the bearing connecting seats (8-3) are hinged to the fan blades (6).

5. An axial flow fan according to claim 4, wherein: the top of the screw shaft (8-2) is provided with a holding handle, and the outer side of the holding handle is uniformly provided with anti-skid patterns.