CN219159226U

CN219159226U - Fixed axial fan

Info

Publication number: CN219159226U
Application number: CN202223430282.8U
Authority: CN
Inventors: 陈绍德
Original assignee: Zhejiang Xingwang Explosion Proof Fan Co ltd
Current assignee: Zhejiang Xingwang Explosion Proof Fan Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-09
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a fixed axial flow fan, which comprises a shell, wherein a supporting frame is arranged in the shell, a motor protecting shell is fixedly arranged above the supporting frame, a motor is arranged in the motor protecting shell, a first gear is arranged at one end of a motor rotating shaft, which is positioned in the motor protecting shell, a shaft lever is arranged above the motor, a second gear meshed with the first gear is arranged on the shaft lever, a connecting block is arranged at one end, far away from the second gear, of the shaft lever, a plurality of second fan blades which are distributed at equal intervals are arranged outside the connecting block, a plurality of air inlets which are distributed in a matrix are formed in one side, close to a fan blade mounting seat, of the motor protecting shell, and an air outlet is formed in one side, far away from the air inlets, of the motor protecting shell. The axial flow fan is simple in structure and convenient to operate, heat generated during motor operation can be effectively diffused, damage to the motor due to overhigh temperature is avoided, and the service life of the axial flow fan is effectively prolonged.

Description

Fixed axial fan

Technical Field

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

Background

The axial flow fan has very wide application, namely, the air flow in the same direction as the axis of the fan blade, such as an electric fan, and the fan of the air conditioner external unit operates the fan in an axial flow mode, so the axial flow fan is called as an axial flow type because the air flows parallel to the axial flow of the fan. The axial flow fan is usually used in the occasion that the flow requirement is higher and the pressure requirement is lower, and axial flow fan fixed position makes the air remove, and the operating temperature that most axial flow fan used is used in the environment that the temperature is not high, and a large amount of heats also can be produced to axial flow fan motor when carrying out the work, thereby traditional axial flow fan operation can lead to the motor to damage the damage fan in the environment that the temperature is high, has reduced axial flow fan's life. For this purpose we propose a stationary axial fan.

Disclosure of Invention

The present utility model is directed to a stationary 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 a fixed axial fan, includes the casing, be equipped with the support frame in the casing, support frame top fixed mounting has the motor protecting crust, be equipped with the motor in the motor protecting crust, motor rotation axis runs through motor protecting crust and flabellum mount pad fixed connection, the flabellum mount pad outside is equipped with the first flabellum that a plurality of equidistances were arranged, motor rotation axis is located motor protecting crust one end and is equipped with first gear, the motor top is equipped with the axostylus axostyle, be equipped with the second gear with first gear engagement on the axostylus axostyle, second gear one end is kept away from to the axostylus axostyle is equipped with the connecting block, the connecting block outside is equipped with the second flabellum that a plurality of equidistances were arranged, the air intake that a plurality of matrixes were arranged has been seted up near flabellum mount pad one side to the motor protecting crust, air intake one side is kept away from to the motor protecting crust is equipped with the air outlet.

Preferably, a filter screen is arranged on one side, far away from the motor protective shell, in the shell.

Preferably, mounting plates are arranged on two sides of the shell, and four mounting holes distributed in a matrix are formed in the mounting plates.

Preferably, one end of the shaft rod, which is far away from the second gear, is provided with a fixing plate, and the upper part of the fixing plate is fixedly connected with the motor protecting shell.

Compared with the prior art, the utility model has the beneficial effects that: this kind of fixed axial fan, the setting of air intake and air outlet makes the inside air current in motor protecting crust outside be linked together with the motor protecting crust for the inside air current of motor protecting crust can circulate fast under the drive of second flabellum, thereby can take out the heat that the motor during operation produced through the air current that flows, has avoided the motor to lead to the phenomenon emergence of motor damage because of the high temperature. The axial flow fan is simple in structure and convenient to operate, heat generated during motor operation can be effectively diffused, damage to the motor due to overhigh temperature is avoided, and the service life of the axial flow fan is effectively prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

in the figure, a shell, a support frame, a motor protecting shell, a motor, a fan blade mounting seat, a first gear, a shaft lever, a second gear, a connecting block, a second fan blade, an air inlet, an air outlet, a fixed plate, a filter screen, a mounting plate, a mounting hole and a first fan blade are arranged in the figure, wherein the first fan blade is provided with the shell, the support frame is provided with the shell, the motor protecting shell, the motor is provided with the support frame, the fan blade is provided with the support frame, the motor protecting shell, the motor is provided with the support frame, the support frame is provided with the.

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. 1-2, the present utility model provides a technical solution: the utility model provides a fixed axial fan, includes casing 1, be equipped with support frame 2 in the casing 1, support frame 2 top fixed mounting has motor protection shell 3, be equipped with motor 4 in the motor protection shell 3, motor protection shell 3 can protect motor 4, motor 4 rotation axis runs through motor protection shell 3 and flabellum mount pad 5 fixed connection, the flabellum mount pad 5 outside is equipped with a plurality of equidistant first flabellum 17 of arranging, and motor 4 is when carrying out work, and motor 4 drives flabellum mount pad 5 and rotates, and under the drive of flabellum mount pad 5, first flabellum 17 also rotates thereupon to realize the transmission to the air current through the rotation of first flabellum 17, motor 4 rotation axis is located motor protection shell 3 one end and is equipped with first gear 6, the motor 4 top is equipped with axostylus axostyle 7, be equipped with on the axostylus axostyle 7 with first gear 6 meshed second gear 8, the shaft lever 7 is provided with a connecting block 9 at one end far away from the second gear 8, a plurality of second fan blades 10 which are equidistantly arranged are arranged at the outer side of the connecting block 9, a plurality of air inlets 11 which are arranged in a matrix are arranged at one side of the motor protecting shell 3 close to the fan blade mounting seat 5, an air outlet 12 is arranged at one side of the motor protecting shell 3 far away from the air inlets 11, when the motor 4 works, a first gear 6 on a rotating shaft of the motor 4 starts to rotate, the second gear 8 meshed with the first gear 6 is driven by the first gear 6 to rotate, the connecting block 9 and the second fan blades 10 are driven by the second gear 8 to rotate, the second fan blades 10 can drive air flow inside the motor protecting shell 3 to flow when rotating, the air inlets 11 and the air outlets 12 enable the inside of the motor protecting shell 3 to be communicated with the air flow outside the motor protecting shell 3, under the drive of second flabellum 10 for the inside air current of motor protecting crust 3 can circulate fast, thereby can take out the heat that motor 4 during operation produced through the air current that flows, avoided motor 4 to lead to the phenomenon emergence of motor 4 damage because of the high temperature.

The inside motor protection shell 3 that keeps away from of casing 1 one side is equipped with filter screen 14, and filter screen 14 can filter impurity such as dust in the air, avoids the dust to enter into inside the motor protection shell 3, causes the damage to motor 4.

The two sides of the shell 1 are respectively provided with a mounting plate 15, the mounting plates 15 are provided with four mounting holes 16 distributed in a matrix manner, and the axial flow fan can be fixedly mounted through the mounting holes 16.

The axostylus axostyle 7 is kept away from second gear 8 one end and is equipped with fixed plate 13, fixed plate 13 top and motor protecting crust 3 fixed connection, fixed plate 13 and axostylus axostyle 7 swing joint, the effectual stability when having improved axostylus axostyle 7 rotation through the setting of axostylus axostyle 13.

Specifically, in the utility model, when the motor 4 works, the motor 4 drives the fan blade mounting seat 5 to rotate, the first fan blade 17 rotates along with the fan blade mounting seat 5, so that the transmission of air flow is realized through the rotation of the first fan blade 17, meanwhile, the first gear 6 on the rotating shaft of the motor 4 starts to rotate, the second gear 8 meshed with the first gear 6 rotates along with the first gear 6, the connecting block 9 and the second fan blade 10 rotate along with the second gear 8, the second fan blade 10 can drive the air flow inside the motor protective shell 3 to flow when rotating, the air inlet 11 and the air outlet 12 are arranged to enable the inside of the motor protective shell 3 to be communicated with the air flow outside the motor protective shell 3, and the air flow inside the motor protective shell 3 can flow quickly through the driving of the second fan blade 10, so that heat generated when the motor 4 works can be carried out through the flowing air flow, and the phenomenon that the motor 4 is damaged due to overhigh temperature is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stationary axial fan comprising a housing (1), characterized in that: be equipped with support frame (2) in casing (1), support frame (2) top fixed mounting has motor protecting crust (3), be equipped with motor (4) in motor protecting crust (3), motor (4) rotation axis runs through motor protecting crust (3) and flabellum mount pad (5) fixed connection, flabellum mount pad (5) outside is equipped with first flabellum (17) that a plurality of equidistances were arranged, motor (4) rotation axis is located motor protecting crust (3) one end and is equipped with first gear (6), motor (4) top is equipped with axostylus axostyle (7), be equipped with second gear (8) with first gear (6) meshing on axostylus axostyle (7), second gear (8) one end is kept away from to axostylus axostyle (7) is equipped with connecting block (9), the second flabellum (10) that the connecting block (9) outside was equipped with a plurality of equidistance and arranged, motor protecting crust (3) are close to flabellum mount pad (5) one side and have been seted up air intake (11) that a plurality of matrix were arranged, motor protecting crust (3) are kept away from air intake (11) one side and are equipped with air outlet (12).

2. The stationary axial flow fan as set forth in claim 1, wherein: a filter screen (14) is arranged on one side, far away from the motor protective shell (3), in the shell (1).

3. The stationary axial flow fan as set forth in claim 1, wherein: mounting plates (15) are arranged on two sides of the shell (1), and four mounting holes (16) which are distributed in a matrix are formed in the mounting plates (15).

4. The stationary axial flow fan as set forth in claim 1, wherein: one end of the shaft lever (7) far away from the second gear (8) is provided with a fixed plate (13), and the upper part of the fixed plate (13) is fixedly connected with the motor protecting shell (3).