CN215009946U

CN215009946U - Energy-saving plastic fan for explosion-proof motor

Info

Publication number: CN215009946U
Application number: CN202121303469.4U
Authority: CN
Inventors: 任向阳; 任定国
Original assignee: Lishui Fengsheng Electromechanical Manufacturing Co ltd
Current assignee: Lishui Fengsheng Electromechanical Manufacturing Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-03
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses an energy-conserving plastic fan for explosion-proof motor, which comprises a housin, be equipped with motor main part in the casing, the symmetry is equipped with first pivot and second pivot in the motor main part, diapire one side rotates respectively in the casing and is connected with first dwang and second dwang, be equipped with first drive mechanism between first dwang and the first pivot, fixedly connected with driving gear on the first dwang, fixedly connected with driven gear on the second dwang, fixedly connected with fan casing on the second pivot lateral wall is kept away from to the casing, it is connected with the live-rollers to rotate on the fan casing inner wall, be equipped with the flabellum on the live-rollers. The utility model discloses the starter motor main part for first pivot is rotated, drives the live-rollers and rotates, makes the flabellum rotate, simultaneously under driving gear and driven gear's cooperation, makes the rotational speed of second dwang be greater than the rotational speed of first dwang, carries out the speed-up to the flabellum.

Description

Energy-saving plastic fan for explosion-proof motor

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an energy-conserving plastics fan for explosion-proof motor.

Background

The explosion-proof motor is a motor which can be used in flammable and explosive places, and does not generate electric sparks during operation. The explosion-proof motor is mainly used in coal mine, petroleum and natural gas, petrochemical industry and chemical industry. In addition, the method is widely applied to the departments of textile, metallurgy, urban gas, traffic, grain and oil processing, paper making, medicine and the like. Explosion-proof motors are used as main power equipment, and are generally used for driving pumps, fans, compressors, other transmission machines and the like.

Explosion-proof machine can generate heat so the motor all needs radiator fan to dispel the heat and cool down when the work is operated, and current device is mostly with radiator fan direct mount on the motor shaft, and radiator fan rotates along with the motor shaft rotation, and radiator fan's rotational speed is the same with the motor shaft rotational speed, and when the motor low-speed operation, radiator fan rotational speed is slower, and the heat dissipation cooling effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "mostly with radiator fan direct mount on the motor shaft, radiator fan is rotatory along with the motor shaft rotation, radiator fan's rotational speed is the same with the motor shaft rotational speed, when the motor low-speed operation, the radiator fan rotational speed is slower, the not good defect of heat dissipation cooling effect" to an energy-conserving plastic fan for explosion-proof motor is proposed.

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

an energy-saving plastic fan for an explosion-proof motor comprises a shell, wherein a motor main body is arranged in the shell, a first rotating shaft and a second rotating shaft are symmetrically arranged on the motor main body, one side of the inner bottom wall of the shell is respectively and rotatably connected with a first rotating rod and a second rotating rod, a first transmission mechanism is arranged between the first rotating rod and the first rotating shaft, a driving gear is fixedly connected onto the first rotating rod, a driven gear is fixedly connected onto the second rotating rod, a fan cover is fixedly connected onto one side wall of the shell, which is far away from the second rotating shaft, a rectangular opening is arranged on one side wall of the shell, which is close to the fan cover, a rotating roller is rotatably connected onto the inner wall of the fan cover, the rotating roller penetrates through the rectangular opening and extends into the shell, a second transmission mechanism is arranged between the rotating roller and the second rotating rod, fan blades are arranged on the rotating roller, and a plurality of air inlets are arranged on the fan cover, a plurality of air outlet holes are formed in the side wall, away from the fan cover, of the shell, and the air outlet holes are matched with the air inlet.

Preferably, the first transmission mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to one end of the first rotating shaft, which is far away from the motor body, the second bevel gear is fixedly connected to the top end of the first rotating rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, the filter screen is fixedly connected to the inner side wall of the air inlet and is made of stainless steel materials.

Preferably, the upper side wall and the lower side wall of the fan cover are symmetrically provided with slideways, a brush rod is arranged between the slideways, and brush bristles are arranged on the brush rod.

Preferably, a disc is arranged in the slide way, and the brush rod is rotatably connected to the disc.

Preferably, the diameter of the driving gear is four times of the diameter of the driven gear, and the driven gear is meshed with the driving gear.

Compared with the prior art, the beneficial effects of the utility model are that:

1. during the use, the motor main part is started, make first pivot rotate, drive first bevel gear and rotate, make second bevel gear rotate, drive first dwang and rotate, make the driving gear rotate, drive driven gear and rotate, make the second dwang rotate, drive the live-rollers rotation under second drive mechanism's effect, make the flabellum rotate, inhale external cold air to the casing in, cool down the motor main part, simultaneously under the cooperation of driving gear and driven gear, make the rotational speed of second dwang be greater than the rotational speed of first dwang, make the rotational speed of live-rollers be greater than the rotational speed of first pivot, carry out the speeding up to the flabellum, when having avoided motor low-speed operation, radiator fan rotational speed is slower, the not good phenomenon of radiating and cooling effect, the radiating effect of this radiator fan has been improved.

2. After the device is used for a period of time, the brush rod is pulled to move along the slide way, the brush bristles are driven to move, dust on the filter screen is swept down, the heat dissipation effect of the device is guaranteed, the operation is simple and convenient, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic front structural view of an energy-saving plastic fan for an explosion-proof motor according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a right side view of FIG. 2;

fig. 4 is a left side view of the fan housing of fig. 1.

In the figure: the fan comprises a shell 1, a motor main body 2, a first rotating shaft 3, a first bevel gear 4, a first rotating rod 5, a second bevel gear 6, a driving gear 7, a second rotating rod 8, a driven gear 9, a fan cover 10, a rectangular opening 11, a rotating roller 12, fan blades 13, a filter screen 14, a slideway 15, a disk 16, a brush rod 17 and an air outlet 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, an energy-saving plastic fan for an explosion-proof motor comprises a housing 1, a motor body 2 is arranged in the housing 1, a first rotating shaft 3 and a second rotating shaft are symmetrically arranged on the motor body 2, the second rotating shaft is inserted into the housing 1 in a rotating manner, a first rotating rod 5 and a second rotating rod 8 are respectively connected to one side of the inner bottom wall of the housing 1 in a rotating manner, a first transmission mechanism is arranged between the first rotating rod 5 and the first rotating shaft 3, the first transmission mechanism comprises a first bevel gear 4 and a second bevel gear 6, the first bevel gear 4 is fixedly connected to one end of the first rotating shaft 3 far away from the motor body 2, the second bevel gear 6 is fixedly connected to the top end of the first rotating rod 5, the first bevel gear 4 is engaged with the second bevel gear 6, so that when the first rotating shaft 3 rotates, the first bevel gear 4 can be driven to rotate, the second bevel gear 6 rotates, the first rotating rod 5 is driven to rotate, fixedly connected with driving gear 7 on the first dwang 5, fixedly connected with driven gear 9 on the second dwang 8, driving gear 7 diameter size is four times of the diameter size of driven gear 9, and driven gear 9 meshes with driving gear 7 mutually for can drive driven gear 9 and rotate when driving gear 7 rotates, and driven gear 9's rotational speed is greater than the rotational speed of driving gear 7.

A fan cover 10 is fixedly connected on one side wall of the shell 1 far away from the second rotating shaft, a rectangular opening 11 is arranged on one side wall of the shell 1 near the fan cover 10, a rotating roller 12 is rotatably connected on the inner wall of the fan cover 10, the rotating roller 12 passes through the rectangular opening 11 and extends into the shell 1, a second transmission mechanism is arranged between the rotating roller 12 and the second rotating rod 8, the second transmission mechanism has the same structure and principle as the first transmission mechanism, a fan blade 13 is arranged on the rotating roller 12, a plurality of air inlets are arranged on the fan cover 10, a filter screen 14 is fixedly connected on the inner side wall of the air inlet, the filter screen 14 is made of stainless steel materials and blocks dust in the air to prevent the dust from entering the shell 1 along with the air flow, a plurality of air outlet holes 18 are arranged on one side wall of the shell 1 far away from the fan cover 10, the air outlet holes 18 are matched with the air inlets, and slideways 15 are symmetrically arranged on the upper and lower side walls of the fan cover 10, be equipped with brush-holder stud 17 between two slides 15, be equipped with disc 16 in the slide 15, brush-holder stud 17 rotates to be connected on disc 16 for it is more convenient when user push-and-pull brush-holder stud 17, is equipped with the brush hair on the brush-holder stud 17, makes the device user's accessible pulling brush-holder stud 17 after using a period, makes brush-holder stud 17 remove along slide 15, sweeps the dust on filter screen 14, and the person of facilitating the use clears up filter screen 14.

In the utility model, when the user uses the device, the motor main body 2 is started to rotate the first rotating shaft 3, the first bevel gear 4 is driven to rotate, the second bevel gear 6 is driven to rotate, the first rotating rod 5 is driven to rotate, the driving gear 7 is driven to rotate, the driven gear 9 is driven to rotate, the second rotating rod 8 is driven to rotate under the action of the second transmission mechanism, the rotating roller 12 is driven to rotate, the fan blades 13 are driven to rotate, the outside cold air is sucked into the shell 1, the motor main body 2 is cooled, meanwhile, under the matching of the driving gear 7 and the driven gear 9, the rotating speed of the second rotating rod 8 is larger than that of the first rotating rod 5, the rotating speed of the rotating roller 12 is larger than that of the first rotating shaft 3, the fan blades 13 are accelerated, after a period of use, the brush rod 17 is pulled, the brush rod 17 moves along the slide way 15, the brush hair is driven to move, sweeping dust off the screen 14.

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 utility model provides an energy-conserving plastics fan for explosion-proof motor, includes casing (1), its characterized in that, be equipped with motor main part (2) in casing (1), the symmetry is equipped with first pivot (3) and second pivot on motor main part (2), bottom wall one side rotates respectively in casing (1) and is connected with first dwang (5) and second dwang (8), be equipped with first drive mechanism between first dwang (5) and first pivot (3), fixedly connected with driving gear (7) on first dwang (5), fixedly connected with driven gear (9) on second dwang (8), fixedly connected with fan casing (10) on second pivot a lateral wall is kept away from in casing (1), casing (1) has seted up rectangle opening (11) on being close to fan casing (10) a lateral wall, rotate on fan casing (10) inner wall and be connected with rotor roll (12), the rotating roller (12) penetrates through the rectangular opening (11) and extends into the shell (1), a second transmission mechanism is arranged between the rotating roller (12) and the second rotating rod (8), fan blades (13) are arranged on the rotating roller (12), a plurality of air inlets are formed in the fan cover (10), a plurality of air outlets (18) are formed in the side wall, far away from the fan cover (10), of the shell (1), and the air outlets (18) are matched with the air inlets.

2. The energy-saving plastic fan for the explosion-proof motor is characterized in that the first transmission mechanism comprises a first bevel gear (4) and a second bevel gear (6), the first bevel gear (4) is fixedly connected to one end, away from the motor body (2), of the first rotating shaft (3), the second bevel gear (6) is fixedly connected to the top end of the first rotating shaft (5), and the first bevel gear (4) is meshed with the second bevel gear (6).

3. The energy-saving plastic fan for the explosion-proof motor as claimed in claim 1, wherein a filter screen (14) is fixedly connected to the inner side wall of the air inlet, and the filter screen (14) is made of stainless steel.

4. The energy-saving plastic fan for the explosion-proof motor according to claim 1, wherein the fan cover (10) is symmetrically provided with slideways (15) on the upper and lower side walls, a brush rod (17) is arranged between the two slideways (15), and bristles are arranged on the brush rod (17).

5. An energy-saving plastic fan for an explosion-proof motor according to claim 4, characterized in that a disk (16) is arranged in the slideway (15), and the brush rod (17) is rotatably connected to the disk (16).

6. An energy-saving plastic fan for an explosion-proof motor according to claim 1, wherein the diameter of the driving gear (7) is four times the diameter of the driven gear (9), and the driven gear (9) is engaged with the driving gear (7).