CN210343766U

CN210343766U - Axial flow fan convenient to disassemble and assemble

Info

Publication number: CN210343766U
Application number: CN201921435941.2U
Authority: CN
Inventors: 刘超
Original assignee: Jiangsu Fenghua Air Conditioning Equipment Co Ltd
Current assignee: Jiangsu Fenghua Air Conditioning Equipment Co Ltd
Priority date: 2019-09-01
Filing date: 2019-09-01
Publication date: 2020-04-17
Anticipated expiration: 2029-09-01

Abstract

The utility model relates to an axial fan technical field especially relates to a just, dismouting formula axial fan, and the fan of having solved among the prior art can't filter the air of introducing when the operation, and the inconvenient problem of dismouting, including support frame, movable shell, set casing, motor and fan blade, the upper portion of support frame is provided with interconnect's set casing and movable shell, and the set casing links to each other with support frame bolt fastening, there is the motor through connecting rod fixed mounting in the inner chamber of set casing, and the output shaft of motor is connected with the rotary rod through the shaft coupling transmission. Utilize the spiral normal running fit relation of set casing and activity shell, can rotate the activity shell from the set casing down, make the activity shell with remove from the top of fan blade, the convenient dismantlement to axial fan inner part has also improved the simple operation nature when assembling axial fan, has guaranteed axial fan's safe operation.

Description

Axial flow fan convenient to disassemble and assemble

Technical Field

The utility model relates to an axial fan technical field especially relates to a just, dismouting formula axial fan.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

Although the existing axial flow fan is simple in structure, the fan with the too simple structure cannot filter the introduced air in the operation process, and the existing axial flow fan is difficult to install and fix, so that certain troubles are brought to installation and disassembly of users.

Disclosure of Invention

The utility model aims at solving the fan that exists among the prior art and when the operation, can't filter the air of introducing, and the inconvenient shortcoming of dismouting, and the just dismouting formula axial fan that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an axial flow fan convenient to disassemble and assemble comprises a support frame, a movable shell, a fixed shell, a motor and fan blades, wherein the fixed shell and the movable shell which are connected with each other are arranged at the upper part of the support frame, the fixed shell is fixedly connected with a support frame bolt, the motor is fixedly arranged in an inner cavity of the fixed shell through a connecting rod, an output shaft of the motor is connected with a rotating rod through a coupling in a transmission way, the rotating rod penetrates through a fixed net rack to be connected with the fan blades in a matched way, and the fan blades are arranged in the inner cavity of the movable shell;

the inner wall bolt fastening of set casing has the fender ring, and keeps off ring lateral wall contact and install the screen cloth, the screen cloth is spacing through hiding the dog and keeping off the ring, the activity shell is close to the one end of fan blade is installed through the anchorage bar and is connected the rack.

Preferably, the one end of set casing is provided with the external screw thread, the one end of activity shell is provided with the internal thread, and spiral normal running fit is connected between set casing and the activity shell.

Preferably, the fixed shell is close to one end of the movable shell is provided with a fixed net rack in an inserting mode through a fastening rod, and the outer edge of the fixed net rack contacts with the inner wall of the movable shell.

Preferably, the vertical cross sections of the fixed shell, the movable shell, the screen, the fixed net rack and the connecting net rack are all circular.

Preferably, the other end wall of the fixed shell is fixedly provided with a fixed rod in a threaded manner, a blocking block is sleeved outside the fixed rod, and the blocking block is in contact with the side wall of the screen.

The utility model has the advantages that:

1. the utility model discloses, utilize the spiral normal running fit relation of set casing and activity shell, can rotate the activity shell from the set casing down, make the activity shell and remove from the top of fan blade, the convenient dismantlement to axial fan inner part has also improved the simple operation nature when assembling to axial fan, has guaranteed axial fan's safe operation.

2. The utility model discloses, the setting of connecting rack, fixed rack and screen cloth all plays and plays filterable effect to the gas that flows into to axial fan in, avoids the solid impurity who has in the gas to enter into the fan, guarantees that axial fan is stable and last moving effect.

Drawings

Fig. 1 is a schematic cross-sectional view of the front end of an axial flow fan convenient for disassembly and assembly provided by the present invention;

fig. 2 is a left side view structural schematic diagram of a screen connecting structure of an axial flow fan convenient for disassembly and assembly;

fig. 3 is a right side view structural schematic diagram of a blade connecting structure of an axial flow fan convenient for disassembly and assembly;

fig. 4 is a schematic view of a connecting grid structure of an axial flow fan convenient for disassembly and assembly;

fig. 5 is a front view schematic diagram of the axial flow fan convenient for disassembly and assembly provided by the present invention.

In the figure: the device comprises a support frame 1, a movable shell 2, fan blades 3, a rotary rod 4, a connecting net rack 5, a fixed net rack 6, a coupler 7, a fixed shell 8, a fixed rod 9, a blocking block 10, a screen 11, a blocking ring 12 and a motor 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-5, a conveniently detachable axial flow fan comprises a support frame 1, a movable shell 2, a fixed shell 8, a motor 13 and a fan blade 3, wherein the fixed shell 8 and the movable shell 2 which are connected with each other are arranged at the upper part of the support frame 1, the fixed shell 8 is fixedly connected with the support frame 1 through a bolt, the motor 13 is fixedly arranged in an inner cavity of the fixed shell 8 through a connecting rod, an output shaft of the motor 13 is in transmission connection with a rotary rod 4 through a coupler 7, the rotary rod 4 penetrates through a fixed net rack 6 to be in fit connection with the fan blade 3, and the fan blade 3 is arranged in the inner cavity of the;

wherein, the one end of set casing 8 is provided with the external screw thread, and the one end of activity shell 2 is provided with the internal thread, and spiral normal running fit is connected between set casing 8 and the activity shell 2.

Specifically, the motor 13 is powered on by a power cord and then started, so that the rotating rod 4 connected through the coupler 7 can be driven to rotate, and meanwhile, the fan blades 3 fixedly connected with the rotating rod 4 through threads are driven to rotate, so that the axial flow fan runs, gas axially enters the fan from the air inlet (namely, the gas enters the axial flow fan from the side where the screen 11 is located), and the energy of the gas is increased by the pushing of the fan blades 3. The fan blade 3 changes the deflection airflow into axial flow, and simultaneously introduces the gas into the diffuser pipe, further converts the kinetic energy of the gas into pressure energy, and finally introduces the pressure energy into a working pipeline;

further, the spiral rotating fit relation of the fixed shell 8 and the movable shell 2 is utilized, the movable shell 2 can be rotated from the fixed shell 8, the movable shell 2 is moved away from the upper portion of the fan blade 3, and the disassembly of internal parts of the axial flow fan is facilitated.

The inner wall of the fixed shell 8 is fixed with a baffle ring 12 through bolts, the side wall of the baffle ring 12 is in contact with a screen 11, the screen 11 is limited by a baffle block 10 and the baffle ring 12, one end of the movable shell 2, which is close to the fan blade 3, is provided with a connecting net rack 5 through a fastening rod, the vertical sections of the fixed shell 8, the movable shell 2, the screen 11, the fixed net rack 6 and the connecting net rack 5 are all circular, the other end wall of the fixed shell 8 is fixedly provided with a fixed rod 9 through threads, the baffle block 10 is sleeved outside the fixed rod 9, and the baffle block 10 is in contact with the side wall of the screen 11;

the one end that is close to movable shell 2 of fixed shell 8 is passed through the anchorage bar and is pegged graft and be provided with fixed rack 6, and the outward flange contact of fixed rack 6 is at the inner wall of movable shell 2.

Specifically, after the movable shell 2 is rotated from the fixed shell 8, the connecting net rack 5 can be driven to be detached together, then the fan blades 3 can be rotated from the rotary rods 4, after the fastening rods are removed, the fixed net rack 6 is detached, then the blocking pieces 10 can be rotated, the screen cloth 11 is separated from the limiting positions of the blocking pieces 10, the screen cloth 11 is taken out of the fixed shell 8, the axial flow fan is sequentially detached, the structure is simple, the operation is convenient, the operation convenience in assembling the axial flow fan is improved, and the safe operation of the axial flow fan is ensured;

further, the arrangement of the connecting net rack 5, the fixed net rack 6 and the screen 11 plays a role in filtering gas flowing into the axial flow fan, so that solid impurities in the gas are prevented from entering the fan, and the effect of stable and continuous operation of the axial flow fan is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The axial flow fan is characterized in that the motor (13) is fixedly arranged in an inner cavity of the fixed shell (8) through a connecting rod, an output shaft of the motor (13) is in transmission connection with a rotary rod (4) through a coupler (7), the rotary rod (4) penetrates through a fixed net rack (6) to be in fit connection with the fan blade (3), and the fan blade (3) is arranged in the inner cavity of the movable shell (2);

the inner wall bolt fastening of set casing (8) has fender ring (12), and keeps off ring (12) lateral wall contact and install screen cloth (11), screen cloth (11) are spacing through hiding dog (10) and fender ring (12), movable casing (2) are close to the one end of fan blade (3) is installed through the anchorage bar and is connected rack (5).

2. The axial flow fan convenient to disassemble and assemble as claimed in claim 1, wherein one end of the fixed shell (8) is provided with external threads, one end of the movable shell (2) is provided with internal threads, and the fixed shell (8) and the movable shell (2) are connected in a spiral rotation fit manner.

3. The axial flow fan convenient to disassemble and assemble as claimed in claim 2, wherein one end of the fixed shell (8) close to the movable shell (2) is provided with a fixed net rack (6) through a fastening rod in an inserted manner, and the outer edge of the fixed net rack (6) is in contact with the inner wall of the movable shell (2).

4. The axial flow fan convenient to disassemble and assemble as recited in claim 1, wherein the vertical cross sections of the fixed shell (8), the movable shell (2), the screen (11), the fixed net rack (6) and the connecting net rack (5) are all circular.

5. The axial flow fan convenient to disassemble and assemble as claimed in claim 1, wherein a fixing rod (9) is fixedly installed at the other end wall of the fixing shell (8) in a threaded manner, a blocking piece (10) is sleeved outside the fixing rod (9), and the blocking piece (10) is in contact with the side wall of the screen (11).