CN216056598U

CN216056598U - Cooling fan with motor protective cover

Info

Publication number: CN216056598U
Application number: CN202122271165.0U
Authority: CN
Inventors: 徐少杰; 丁丽碧; 江永富; 张熔桀
Original assignee: Zhejiang Mingxin Fan Co ltd
Current assignee: Zhejiang Mingxin Fan Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-15
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a cooling fan with a motor protective cover, which relates to the field of fans and is technically characterized by comprising an outer fan barrel, wherein isolation covers are fixedly arranged on the front surface and the back surface of the outer fan barrel, a fan blade group is rotatably connected inside the outer fan barrel, a motor protective shell is arranged on the front surface of the outer fan barrel, a rotating motor is arranged inside the motor protective shell, and the back surface of an output shaft of the rotating motor penetrates through and extends to the back surface of the motor protective shell. The utility model discloses a, through being provided with the protection apron, the back that will rotate the motor is through establishing connection protection with the motor protective housing to leave the exhaust vent and can have the high temperature air current to lead to when exploding in inside, can share the air current trend through the exhaust vent, prevent that the motor protective housing from exploding and splitting, improve explosion-proof effects, remove fan leaf group and rotate the connection structure between the motor and can release the motor from the front of motor protective housing through the setting, conveniently maintain and the deashing.

Description

Cooling fan with motor protective cover

Technical Field

The utility model relates to the field of fans, in particular to a cooling fan with a motor protective cover.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, is a short form of Chinese habit for gas compression and gas delivery machines, and generally comprises a ventilator, a blower and a wind driven generator.

In the actual working process of the fan in a factory, the working time is often long, and the working power always needs to be maintained in a higher state, so that a motor set of the fan is easily damaged in the state, phenomena such as explosion and cracking are likely to occur, and danger is easily generated to workers in the factory during explosion and cracking, so that the explosion-proof fan is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the cooling fan with the motor protective cover provided by the utility model can effectively prevent explosion, has a protective effect, and can be conveniently taken out for maintenance and replacement.

In order to solve the technical problems, the utility model provides the following technical scheme: cooling fan with motor protection casing, including the outer barrel of fan, the front of the outer barrel of fan has the cage with the equal fixed mounting in the back, the inside rotation of the outer barrel of fan is connected with fan blade group, the front of the outer barrel of fan is provided with the motor protective housing, the inside of motor protective housing is provided with the rotation motor, the back of rotating the motor output shaft runs through and extends to the back of motor protective housing, shaft coupling fixed connection is passed through with the back of rotating the motor output shaft in the front of fan blade group, the fixed surface of motor protective housing installs a plurality of fan heat fins and radiator-grid, the radiator-grid is located between two adjacent fan heat fins.

As a preferable technical scheme of the utility model, the front surface and the back surface of the outer cylinder of the fan are both fixedly provided with traction rings.

As a preferable technical scheme, four support rods are fixedly installed on the front face of the outer fan cylinder, and one ends of the four support rods, far away from the outer fan cylinder, are fixedly connected with the surface of the motor protection shell.

As a preferred technical scheme of the present invention, a plurality of heat dissipation plates are fixedly mounted on an inner wall of the motor protection case, positioning grooves are formed in surfaces of the plurality of heat dissipation plates, a plurality of sliding blocks are fixedly mounted on a surface of the rotating motor, and the plurality of sliding blocks are connected with adjacent heat dissipation plates in a clamping manner through the positioning grooves.

According to a preferable technical scheme of the utility model, the front surface of the motor protection shell is fixedly connected with a protection cover plate through a screw, the back surface of the protection cover plate is attached to the front surface of the rotating motor, and an air outlet hole is formed in the protection cover plate.

As a preferable technical scheme of the utility model, a shaft seal is fixedly arranged on the back surface of the motor protective shell, and the inner wall of the shaft seal is rotationally connected with the surface of the output shaft of the rotating motor.

As a preferred technical scheme of the utility model, the front surface of the protection cover plate is fixedly connected with an anti-impact cover plate through a screw, the front surface of the protection cover plate is fixedly connected with a plurality of buffer springs, and the front surfaces of the plurality of buffer springs are fixedly connected with the back surface of the anti-impact cover plate.

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

1. through the heating panel, the heat dissipation fin exerts with the radiator-grid jointly, can effectively dispel the heat to the produced heat of inside rotation motor to in the front of motor protective housing, through being provided with the protection apron, the back that will rotate the motor is through establishing connection protection with the motor protective housing, and leave the exhaust vent and can have high temperature air current to lead to when exploding in inside, can share the air current trend through the exhaust vent, prevent that the motor protective housing from exploding, improve explosion-proof effects.

2. The fan blade group is removed through the setting, the connection structure between the motor is rotated to the fan blade group, the motor can be rotated to release from the front of the motor protective shell, maintenance and dust removal are convenient, the structure of the motor protective shell can be used, and the motor protective shell is effective in protecting the surface of the motor.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a rotating electric machine according to the present invention;

FIG. 3 is a schematic side view of the rotating electric machine according to the present invention;

fig. 4 is a schematic side sectional view of the rotating electric machine of the present invention.

Wherein: 1. a blower outer cylinder; 2. an isolation cover; 3. a traction ring; 4. a support bar; 5. a motor protection shell; 6. a fan blade group; 7. a heat-dissipating fin; 8. rotating the motor; 9. a heat dissipation plate; 10. positioning a groove; 11. a heat-dissipating web; 12. a slider; 13. shaft sealing; 14. a protective cover plate; 15. an air outlet; 16. a buffer spring; 17. protecting against shock apron.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 to 4, the utility model provides a cooling fan with a motor protective cover, which comprises an outer fan cylinder 1, wherein isolation covers 2 are fixedly mounted on the front surface and the back surface of the outer fan cylinder 1, a fan blade group 6 is rotatably connected inside the outer fan cylinder 1, a motor protective shell 5 is arranged on the front surface of the outer fan cylinder 1, a rotating motor 8 is arranged inside the motor protective shell 5, the back surface of an output shaft of the rotating motor 8 penetrates through and extends to the back surface of the motor protective shell 5, the front surface of the fan blade group 6 is fixedly connected with the back surface of the output shaft of the rotating motor 8 through a coupler, a plurality of fan-heating fins 7 and a heat dissipation net 11 are fixedly mounted on the surface of the motor protective shell 5, and the heat dissipation net 11 is positioned between two adjacent fan-heating fins 7.

In other embodiments, as shown in fig. 1, the traction ring 3 is fixedly mounted on both the front and back of the blower outer cylinder 1.

The working principle and the beneficial effects of the technical characteristics are as follows: through being provided with traction ring 3, can make things convenient for and be connected between the other working device, also can be as drawing the structure through the haulage rope, convenient transportation.

In other embodiments, as shown in fig. 1, four support rods 4 are fixedly mounted on the front surface of the blower outer cylinder 1, and one ends of the four support rods 4, which are far away from the blower outer cylinder 1, are all fixedly connected with the surface of the motor protection shell 5.

The working principle and the beneficial effect of the technical characteristics can be reinforced with the surface of the motor protection shell 5 again by arranging the four support rods 4, so that the rotation operation between the motor 8 rotating inside the motor protection shell 5 and the fan blade group 6 inside the fan outer barrel body 1 is more stable.

In other embodiments, as shown in fig. 2, a plurality of heat dissipation plates 9 are fixedly mounted on an inner wall of the motor protection shell 5, positioning grooves 10 are formed in surfaces of the plurality of heat dissipation plates 9, a plurality of sliding blocks 12 are fixedly mounted on a surface of the rotating motor 8, and the plurality of sliding blocks 12 are all connected with adjacent heat dissipation plates 9 in a clamping manner through the positioning grooves 10.

This technical characteristic's theory of operation and beneficial effect, through setting up this group by heating panel 9, the slip block structure that constant head tank 10 and sliding block 12 are constituteed, can pass through the block of sliding block 12 with constant head tank 10 with rotating motor 8 at ordinary times, let heating panel 9 will rotate the stable inside of fixing at motor protective housing 5 of motor 8, when needs take out, remove fan blade group 6 and rotate the connection structure between the motor 8 and can release rotating motor 8 from motor protective housing 5's front, conveniently maintain and the deashing.

In other embodiments, as shown in the figure, a protective cover plate 14 is fixedly connected to the front surface of the motor protective shell 5 through screws, the back surface of the protective cover plate 14 is attached to the front surface of the rotating motor 8, and an air outlet 15 is formed in the protective cover plate 14.

This technical characteristic's theory of operation and beneficial effect through being provided with protection cover plate 14, will rotate the back of motor 8 and live through establishing connection protection with motor protective housing 5 to leave exhaust vent 15 and can share the air current trend through exhaust vent 15 when having the high temperature air current to lead to the explosion in inside, prevent that motor protective housing 5 from exploding and splitting, improve explosion-proof effect.

In other embodiments, as shown in fig. 3, a shaft seal 13 is fixedly mounted on the back of the motor protection case 5, and the inner wall of the shaft seal 13 is rotatably connected with the surface of the output shaft of the rotating motor 8.

The working principle and the beneficial effects of the technical characteristics are that a rotary connection part between the rotary motor 8 and the motor protection shell 5 is added by arranging the shaft seal 13, so that the stabilizing effect is improved, and dust is prevented from entering the rotary motor 8 from the rotary shaft.

In other embodiments, as shown in the drawings, an impact-proof cover plate 17 is fixedly connected to the front surface of the protective cover plate 14 through screws, a plurality of buffer springs 16 are fixedly connected to the front surface of the protective cover plate 14, and the front surfaces of the plurality of buffer springs 16 are fixedly connected to the back surface of the impact-proof cover plate 17.

This technical characteristic's theory of operation and beneficial effect are provided with protecting against shock apron 17 and cover the export of exhaust vent 15, are provided with buffer spring 16 and can prevent that high-temperature gas directly collapses the flying with protecting against shock apron 17 to when can be explosion-proof, cover the back of exhaust vent 15 at ordinary times, prevent that the dust from getting into.

The utility model discloses a theory of operation, the whole device carries out detailed repacking on the motor protective housing 5 that sets up in the positive of the outer barrel 1 of fan, between outer barrel 1 of fan and motor protective housing 5, there is bracing piece 4 to establish the connection with the surface of motor protective housing 5, there is the rotation motor 8 to establish the connection with fan blade group 6, and on the surface of motor protective housing 5, exert through heating panel 9, fan heating fin 7 and radiator mesh 11 jointly, can carry out effective heat dissipation to the heat that inside rotation motor 8 produced, and in the front of motor protective housing 5, through being provided with protective cover plate 14, the back of rotating motor 8 is protected through establishing the connection with motor protective housing 5, and leave exhaust vent 15 and can share the air current trend through exhaust vent 15 when having high temperature air current to lead to the explosion inside, prevent motor protective housing 5 from exploding, improve explosion-proof effect, be provided with buffer spring 16 and can prevent that high-temperature gas directly collapses to fly with protecting against shock apron 17, thereby can be explosion-proof in, cover the back of exhaust vent 15 at ordinary times, prevent that the dust from advancing, thereby when whole device can effectively play explosion-proof effect, can pass through the block of sliding block 12 with constant head tank 10 with rotating motor 8 at ordinary times, let heating panel 9 will rotate the stable inside of fixing at motor protective housing 5 of motor 8, when needs take out, it can release rotating motor 8 from motor protective housing 5's front to relieve the connection structure between fan blade group 6 and the rotating motor 8, conveniently maintain and the deashing, can also be through this structure of motor protective housing 5, effectually play the guard action to rotating motor 8's surface.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Cooling fan with motor protection casing, including outer barrel of fan (1), its characterized in that: the utility model discloses a fan, including the outer barrel of fan, the front of the outer barrel of fan (1) has cage (2) with the equal fixed mounting in the back, the inside rotation of the outer barrel of fan (1) is connected with fan leaf group (6), the front of the outer barrel of fan (1) is provided with motor protective housing (5), the inside of motor protective housing (5) is provided with rotates motor (8), the back of rotating motor (8) output shaft runs through and extends to the back of motor protective housing (5), shaft coupling fixed connection is passed through with the back of rotating motor (8) output shaft in the front of fan leaf group (6), the fixed surface of motor protective housing (5) installs a plurality of fan heat fins (7) and radiator-grid (11), radiator-grid (11) are located between two adjacent fan heat fins (7).

2. The cooling fan with motor guard of claim 1, characterized in that: and traction rings (3) are fixedly arranged on the front surface and the back surface of the outer barrel (1) of the fan.

3. The cooling fan with motor guard of claim 1, characterized in that: the front of the outer barrel (1) of the fan is fixedly provided with four supporting rods (4), and the supporting rods (4) are far away from one end of the outer barrel (1) of the fan and are fixedly connected with the surface of the motor protective shell (5).

4. The cooling fan with motor guard of claim 1, characterized in that: inner wall fixed mounting of motor protective housing (5) has a plurality of heating panel (9), and is a plurality of constant head tank (10) have all been seted up on heating panel (9) surface, the fixed surface who rotates motor (8) installs a plurality of sliding block (12), and is a plurality of sliding block (12) all are through constant head tank (10) and adjacent heating panel (9) block is connected.

5. The cooling fan with motor guard of claim 1, characterized in that: the front of motor protective housing (5) is through screw fixedly connected with protection apron (14), the protection apron (14) back is laminated with the front of rotating motor (8) mutually, exhaust vent (15) have been seted up to the inside of protection apron (14).

6. The cooling fan with motor guard of claim 1, characterized in that: the back of the motor protection shell (5) is fixedly provided with a shaft seal (13), and the inner wall of the shaft seal (13) is rotatably connected with the surface of an output shaft of the rotating motor (8).

7. The cooling fan with motor guard of claim 5, characterized in that: the front of protection apron (14) is through screw fixedly connected with protecting against shock apron (17), a plurality of buffer spring (16) of the front fixedly connected with of protection apron (14), it is a plurality of buffer spring (16) openly all with the back fixed connection of protecting against shock apron (17).