TWM481298U - Axial flow type fan blower structure improvement - Google Patents

Description

Axial flow blower improved structure

The present invention is an improved structure of an axial flow fan, in particular to an axially disassemblable design, which can directly disassemble components or adjust the blade angle at the front open end of the cylindrical casing, simplifying the components of the blower and assembling Improved operation of the blower for disassembly work, fine adjustment of the blade angle, and convenient and quick maintenance with subsequent repair and maintenance.

The axial flow blower generates power through the rotation of the fan blades, and the air flows along the axial direction. It has the advantages of low wind pressure and high air volume, and is most suitable for applications in large spaces such as tunnels and factories. In order to enhance the air supply effect, most of these blowers are assembled inside a cylindrical casing. In some specific places, the front and rear open ends of the cylindrical casing are also provided with connecting air ducts to guide the air flow.

In order to facilitate the assembly and subsequent maintenance of the axial flow blower, the conventional axial flow blower is provided with an openable maintenance window on the cylindrical outer casing. However, due to the small space provided by the maintenance window, and only the operator can perform maintenance work from the side of the blower to the inside of the casing, not only the operation dead angle, the hands can not be effectively applied, but also the viewing angle is not good, and the maintenance tools come in and out. Inconvenience and so on.

In view of this, the present invention provides an improved structure of an axial flow blower.

That is, the main purpose of the creation is to provide an axially disassemblable design that can directly disassemble components or adjust the blade angle at the front open end of the cylindrical casing, thereby greatly simplifying the components of the blower and assembling The dismantling operation, fine adjustment of the blade angle, and the improved structure of the axial flow blower which is more convenient and quicker for subsequent repair and maintenance can effectively improve the traditional lack and trouble.

In order to achieve the above objectives, the present invention employs the following technical means.

The axial flow blower of the present invention is modified into an improved structure, including a motor, a blade portion, The fixing base and the fixing plate are assembled together in a cylindrical casing and combined.

The blade portion includes a disc-shaped inner clamping seat and a symmetrically shaped outer clamping seat, and holds a plurality of blades radiating around the outer edge, and the shaft is disposed at the axial center of the inner clamping seat and the outer clamping seat. hole.

The fixing base comprises a body, the shaft end of the seat body is provided with a shaft hole, and an annular wing portion is arranged on the outer edge of the seat.

The fixing plate comprises a shaft end screw hole on the fixing plate and a plurality of fixing seat screw holes.

The fixing seat is located between the motor and the blade portion, and the seat body of the fixing seat can be accommodated in the shaft hole of the blade portion, and the blade portion is fixed to the wing portion of the fixing seat by a plurality of screws to form an integral body.

The shaft hole of the fixing seat can be inserted into the motor shaft, and the fixing plate is located outside the fixing seat.

A screw is used to lock the screw hole from the shaft end of the fixing plate, and the fixing plate can be locked in the screw hole of the motor shaft.

The locking plate can be locked from the fixing hole of the fixing plate by using a plurality of screws, so that the fixing plate can be locked on the outer side of the fixing seat, so that the blade portion, the fixing seat and the fixing plate are combined on the motor rotating shaft to form an integral body.

According to the creation as described above, the design of the fixing base and the fixing plate makes the fixing part of the blade portion of the blower less, and the disassembly and assembly operation is simpler and more convenient.

The assembly operation of combining the blade portion, the fixing base, and the fixing plate on the motor shaft can be performed directly on the front open end of the cylindrical casing.

For subsequent maintenance, simply unscrew the screw at the shaft end of the fixed plate to remove the blade and the mount from the motor shaft.

By screwing down each of the screws on the fixed wing portion, the blade portion and the fixed seat can be separated.

The blade angle can be finely adjusted by loosening each screw on the fixed wing portion and simultaneously unscrewing each screw between the inner and outer holders on the blade portion.

Whether it is the assembly, disassembly, component replacement, fine-tuning of the blade angle, Routine maintenance and other operations can be carried out directly on the front open end of the cylindrical casing, thus having the advantages of wide application space, large viewing angle, no operation dead angle, etc., and achieve the intended purpose of this creation.

The other objects and detailed construction of the present invention will be more apparent from the following detailed description. Referring to the accompanying drawings, the technical content of the present invention will become more apparent.

10‧‧‧Air blower

11‧‧‧Shell

12‧‧‧ motor

13‧‧‧ shaft

14‧‧‧ screw holes

20‧‧‧blade department

21‧‧‧ inside the holder

22‧‧‧ outer clamp

23‧‧‧Clamp slot

24‧‧‧ end column

25‧‧‧ leaves

26‧‧‧ screw

27‧‧‧ screw holes

28‧‧‧Axis hole

30‧‧‧ Fixed seat

31‧‧‧

32‧‧‧Axis hole

33‧‧‧ wing

34‧‧‧ screw holes

35‧‧‧ screw

36‧‧‧ nuts

37‧‧‧ screw holes

40‧‧‧ fixed plate

41‧‧‧ screw holes

42‧‧‧ screw holes

43‧‧‧ screw

44‧‧‧ screw

The first figure is a perspective view of an embodiment of the improved structure of the axial flow blower.

The second figure is a cross-sectional view of the axial flow fan in the first figure.

The third figure is a cross-sectional view of the creation of the blade portion and the fixed seat on the motor shaft.

The fourth figure is an exploded perspective view of the blade portion and the fixed seat assembly.

The fifth figure is a cross-sectional view of the blade assembly of the artificial blower.

Attached to the first figure, a perspective view of an embodiment of the improved axial flow blower 10 is shown.

The second figure is a cross-sectional view of the present axial flow fan 10 in the first figure.

The fourth figure is an exploded view of the assembly of the axial flow fan 10 and the assembly of the blade portion 20 and the fixing base 30.

As shown in the first and fourth figures, the axial flow fan 10 of the present invention is modified to include a motor 12, a blade portion 20, a fixing base 30, and a fixing plate 40, which are assembled together in a cylindrical casing 11. Combined composition.

As shown in the fourth and fifth figures, the motor 12, which is included in the front end portion of the motor shaft 13, is provided with a screw hole 14 for supplying the screw 43 for fixing the fixing plate 40.

As further shown in the fourth and fifth figures, the blade portion 20 includes a disc-shaped inner clamping seat 21 and a symmetrically shaped outer clamping seat 22 for collectively holding a plurality of blades 25 radiating around the outer edge. A shaft hole 28 is provided in the axial center portion of the inner clamp 21 and the outer clamp 22.

As shown in the fifth figure, the corresponding position on the inner clamping seat 21 and the outer clamping seat 22 is provided with a plurality of clamping slots 23, and each clamping slot 23 is adapted to receive an end post 24 of a blade 25, each clamping slot. Between 23, the inner clamp 21 and the outer clamp 22 can be tightly coupled by the screw 26, and The end post 24 of the vane 25 is tightly clamped by the clamping groove 23, and a plurality of screw holes 27 are looped around the shaft hole 28 of the inner clamping seat 21 and the outer clamping seat 22 for locking the fixing base 30.

4 and 5, the fixing base 30 is located between the motor 12 and the blade portion 20, and includes a body 31. The front end of the base 31 can be received in the shaft hole 28 of the blade portion 20, and is seated. A shaft hole 32 is provided at the axial end of the body 31, an annular wing portion 33 is provided on the outer edge of the seat body 31, a plurality of screw holes 34 are formed in the wing portion 33, and the screw 35 and the nut 36 are used, and the screw on the blade portion 20 is used. The hole 27 is locked into the screw hole 34 of the wing portion 33, and the fixing seat 30 and the blade portion 20 can be locked together, and a plurality of screw holes 37 are annularly arranged around the shaft hole 32 for locking the fixing plate 40. .

In the fixing base 30, the shaft hole 32 of the seat body 31 can be inserted into the rotating shaft 13 of the motor 12, and the fixing plate 40 is located outside the seat body 31.

As shown in the fourth and fifth figures, the fixing plate 40 includes an axial end screw hole 41 and a plurality of fixing seat screw holes 42 on the fixing plate 40.

The fixing plate 40 can be locked in the screw hole 14 of the motor shaft 13 by locking the screw hole 41 from the shaft end of the fixing plate 40 with a screw 43.

By using a plurality of screws 44, locking from each fixing hole 42 of the fixing plate 40, the fixing plate 40 can be locked on the outside of the seat body 31 of the fixing base 30, so that even the blade portion 20, the fixing seat 30, and the fixing The plates 40 are combined on the motor shaft 13 to form an integral body as shown in the third figure.

According to the above-mentioned creation, the improved axial flow fan 10 can quickly assemble the blade portion 20 on the motor shaft 13 by using two simple components of the fixing base 30 and the fixing plate 40 to form an axially disassemblable shaft. The structural design of the group, as shown in the third and fourth figures, is that the blade unit 20 of the blower 10 has fewer fixing components, and the disassembly and assembly operation is simpler and more convenient.

Further, as in the first and fourth figures, the assembly operation of combining the blade portion 20, the fixing base 30, and the fixing plate 40 on the motor shaft 13 can be performed directly on the front open end of the cylindrical casing 11.

As shown in the third and fourth figures, when the subsequent maintenance operation is performed, the blade portion 20 and the fixing base 30 can be detached from the motor shaft 13 by simply unscrewing the screw 43 at the axial end of the fixing plate 40.

If the screw 35 outside the screw hole 27 on the blade portion 20 is unscrewed, it can be straight. The blade portion 20 is detached to facilitate component replacement.

If each screw 35 outside the screw hole 27 on the blade portion 20 is loosened, and each screw 26 between the inner clamp 21 and the outer clamp 22 on the blade portion 20 is loosened, the angle fine adjustment of the blade 25 can be performed to change The wind of the blower 10.

Whether the assembly, disassembly, component replacement, blade angle fine adjustment, routine maintenance and the like are performed, the operation can be directly performed on the front open end of the cylindrical casing 11, thereby providing a wide application space, a large viewing angle, and no The advantages of operating dead angles, etc., achieve the intended purpose of this creation.

In summary, the embodiments described in the present application can achieve the intended functions and purposes, and the present invention has been described in detail so that it can be implemented by those skilled in the art. However, the above embodiments are merely illustrative, and all modifications of equivalent structures and similar modifications that do not depart from the spirit of the present invention are subject to the scope of this creation.

10‧‧‧Air blower

11‧‧‧Shell

20‧‧‧blade department

25‧‧‧ leaves

Claims (1)

The invention relates to an improved structure of an axial flow fan, comprising: a motor, a screw hole is arranged at a shaft center of a front end of the motor shaft for fixing the fixing plate; a blade portion having a disc-shaped inner clamping seat and a symmetrical shape The outer clamping seat jointly holds a plurality of blades which are radiated around the outer edge, and a shaft hole is arranged at the axial center of the inner clamping seat and the outer clamping seat for receiving the fixing seat; a fixing seat is located at the motor and the blade portion Between the fixed seat has a body, a shaft hole is arranged at the axial end of the seat body, an annular wing portion is arranged on the outer edge of the seat body, and a plurality of screw holes are arranged on the wing portion, and the fixing seat and the blade portion can be used by using the screw and the nut Locking together, a plurality of screw holes are arranged around the periphery of the shaft hole for fixing the fixing plate; and a fixing plate includes a shaft end screw hole on the fixing plate and a plurality of fixing seat screw holes; The motor, the blade portion, the fixing base and the fixing plate are assembled together in a cylindrical casing, and a screw is used to lock the screw hole from the shaft end of the fixing plate, and the fixing plate can be locked to the screw of the motor shaft. Inside the hole, use most screws, each solid from the fixed plate Locks into the screw seat, the fixing plate can be keyed to the outer side of the seat holder, the blade portion, holder, fixed on the motor shaft and the plate assembly.