CN218276268U

CN218276268U - Motor with dustproof function

Info

Publication number: CN218276268U
Application number: CN202221612408.0U
Authority: CN
Inventors: 张敏
Original assignee: Taizhou Hengde Electromechanical Co ltd
Current assignee: Taizhou Hengde Electromechanical Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-01-10
Anticipated expiration: 2032-06-23

Abstract

The utility model provides a motor with dustproof function, which comprises a motor body, wherein the rear end of the motor body is provided with a cooling fan and a rear end cover used for covering the cooling fan; a circular mounting area is arranged in the middle of the rear end cover, and one half of the circular mounting area is hollowed out to form a semicircular through opening; the middle part of the circular mounting area is rotatably connected with a sealing plate which can be used for sealing the through opening, and a driving assembly which is used for driving the sealing plate to rotate is mounted on the circular mounting area; a detection assembly for detecting whether the cooling fan rotates is arranged at the mounting shaft of the cooling fan; and a control device is arranged in the junction box of the motor body and is electrically connected with the driving assembly and the detection assembly. The utility model has the characteristics of certain dustproof.

Description

Motor with dustproof function

Technical Field

The utility model relates to an electrical equipment, in particular to, relate to a motor with dustproof function.

Background

A cooling fan is arranged at the rear end of a general three-phase asynchronous motor, and meanwhile, a vent is formed in a rear end cover and used for allowing airflow generated by the cooling fan during working to pass through; although the design has good heat dissipation effect, certain defects exist, and when the motor does not work, the ventilation opening is still in an open state, so that dust can be allowed to enter the inner part of the rear end cover.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a motor with dustproof function, which has certain dustproof features.

In order to realize the purpose, the technical scheme of the utility model is that:

a motor with a dustproof function comprises a motor body, wherein a cooling fan and a rear end cover for covering the cooling fan are mounted at the rear end of the motor body; a circular mounting area is arranged in the middle of the rear end cover, and one half of the circular mounting area is hollowed out to form a semicircular through opening; the middle part of the circular mounting area is rotatably connected with a sealing plate which can be used for sealing the through opening, and a driving assembly which is used for driving the sealing plate to rotate is mounted on the circular mounting area; a detection assembly for detecting whether the cooling fan rotates is arranged at the mounting shaft of the cooling fan; and a control device is arranged in a junction box of the motor body, and the control device is electrically connected with the driving assembly and the detection assembly.

Preferably, the detection assembly includes a proximity switch and a trigger member, the trigger member is mounted on a rotating shaft of the cooling fan, and the proximity switch is mounted on a rear end surface of the motor body.

Preferably, the driving assembly comprises a shaft sleeve, a rotating shaft, a mounting plate and a rotary driver, wherein the mounting plate is fixed on the inner side of the rear end cover, and the rotary driver is fixed on the mounting plate; the middle part of the rear end cover is provided with a shaft hole, and the shaft sleeve is fixed at the shaft hole; the rotating shaft is sleeved in the shaft sleeve and can rotate freely; the rear end of pivot is located to the shrouding fixed cover, the front end of pivot and rotary driver's output shaft coaxial coupling.

Preferably, the top side of rear end cover has been seted up the installation and has been led to the groove, the sealed mounting that leads to groove department has the wire holder, the lower extreme of wire holder has a plurality of first grafting ports that supply drive assembly and determine module's wire to peg graft, the upper end of wire holder has the second port of pegging graft, first grafting port is connected with the second port electricity of pegging graft.

Preferably, the control device comprises a housing, a power module and a control board, wherein the power module is electrically connected with the terminal in the junction box.

Preferably, a sponge layer is arranged on the inner side of the sealing plate.

Preferably, the lead of the driving assembly is fixed on the inner wall of the rear end cover through a buckle, and the lead of the detection assembly is fixed on the inner wall of the rear end cover and the side wall of the motor body through a magnetic buckle.

The utility model discloses technical effect mainly embodies in following aspect:

the opening and closing of the opening are realized through the rotation of the driving sealing plate, and the opening is closed only when the opening motor is not operated when the motor works, so that a certain dustproof effect is achieved.

Drawings

FIG. 1 is a schematic view of the structure of an electric motor in an embodiment;

FIG. 2 is a partial sectional view of a motor in the embodiment;

FIG. 3 is another state diagram of the motor in the embodiment;

fig. 4 is a schematic view of the snap in the embodiment.

Reference numerals: 1. a motor body; 11. a junction box; 2. a heat radiation fan; 3. a rear end cap; 31. a circular mounting area; 32. a port; 4. closing the plate; 41. a sponge layer; 51. a rotary driver; 52. a shaft sleeve; 53. a rotating shaft; 54. mounting a plate; 6. a wire holder; 7. a wire; 8. magnetic fasteners; 9. a detection component; 10. and (4) a plug.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

Referring to fig. 1 to 3, the present embodiment provides a motor with a dustproof function, including a motor body 1, a heat dissipation fan 2 installed at a rear end of the motor body 1, and a rear end cover 3 for covering the heat dissipation fan 2.

A circular mounting area 31 is arranged in the middle of the rear end cover 3, and a half of the circular mounting area 31 is hollowed out to form a semicircular through opening 32; circular installation area 31's middle part is rotated and is connected with shrouding 4 that can be used to seal opening 32, and shrouding 4's inboard is provided with sponge layer 41, by

sponge layer

41 and 3 frictions of rear end cap, can avoid rubbing between shrouding 4 and the rear end cap 3 to cause wearing and tearing, and shrouding 4 is when the open mode, and sponge layer 41 is in by the extrusion state, and when shrouding 4 closed, sponge layer 41 can be to the inboard inflation of opening 32 owing to have elasticity for the leakproofness is better.

A driving component for driving the sealing plate 4 to rotate is arranged on the inner side of the rear end cover 3; the driving assembly comprises a shaft sleeve 52, a rotating shaft 53, a mounting plate 54 and a rotary driver 51, wherein the mounting plate 54 is fixed on the inner side of the rear end cover 3, and the rotary driver 51 is fixed on the mounting plate 54; the middle part of the rear end cover 3 is provided with a shaft hole, and the shaft sleeve 52 is fixed at the shaft hole; the rotating shaft 53 is sleeved with the shaft sleeve 52 and can rotate freely in the shaft sleeve 52; the sealing plate 4 is fixedly sleeved at the rear end of the rotating shaft 53, and the front end of the rotating shaft 53 is coaxially connected with the output shaft of the rotary driver 51. The rotary drive 51 may be a motor or other drive of the same function.

A detection assembly 9 for detecting whether the cooling fan 2 rotates is arranged at the mounting shaft of the cooling fan 2; the detection assembly 9 includes a proximity switch and a trigger member, the trigger member is mounted on the rotating shaft 53 of the cooling fan 2, and the proximity switch is mounted on the rear end surface of the motor body 1. When the motor starts, the mounting shaft of the heat radiation fan 2 also rotates, and then the proximity switch can be triggered for multiple times to generate a pulse signal.

Referring to fig. 2 and 4, the top side of the rear end cover 3 is provided with a through groove, the through groove is hermetically provided with a wire holder 6, the lower end of the wire holder 6 is provided with a plurality of first plug ports for the plug-in connection of the wires 7 of the driving assembly and the detection assembly 9, the upper end of the wire holder 6 is provided with a second plug port, and the first plug port is electrically connected with the second plug port. The conductive line 7 includes one or more of a power line and a signal line. In addition, the lead 7 of the driving assembly is fixed on the inner wall of the rear end cover 3 through a buckle, and the lead 7 of the detection assembly 9 is fixed on the inner wall of the rear end cover 3 and the side wall of the motor body 1 through a buckle, so that the stability of the lead 7 can be kept. This buckle is "nearly" font, can pass through the bolt fastening, also can design to be magnetism and inhale the formula.

A control device is arranged in a junction box 11 of the motor body 1, and the control device is electrically connected with the driving assembly and the detection assembly 9. The control device comprises a shell, a power supply module and a control board, wherein the power supply module is electrically connected with a terminal in the junction box 11, namely, the same power supply is used with the motor, and the power supply module is used for converting the voltage provided by the power supply into 5V and 24V voltages which are respectively supplied to the control board and the rotary driver 51 for use. The detection assembly 9 then takes the voltage from the control board through the wire 7. A single chip microcomputer chip, a motor driving circuit and the like are integrated on the control panel and used for processing the output signal of the detection assembly 9 and controlling the motor to rotate. The power module comprises a rechargeable lithium battery which can store electric energy, so that the control device can not work normally after the power supply of the motor is powered off.

The working principle of the embodiment is as follows: when the heat dissipation fan 2 rotates, the trigger detection assembly 9 generates a pulse signal, and after the control device detects the pulse signal, the control device controls the rotary driver 51 to rotate 180 degrees, so that the sealing plate 4 is opened, and the through opening 32 is opened. When the heat dissipation fan 2 is turned off, the control device controls the rotary actuator 51 to rotate in the reverse direction by 180 degrees, so that the sealing plate 4 is closed.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A motor with a dustproof function comprises a motor body (1), wherein a heat radiation fan (2) and a rear end cover (3) for covering the heat radiation fan (2) are installed at the rear end of the motor body (1); the novel anti-theft door is characterized in that a circular mounting area (31) is arranged in the middle of the rear end cover (3), and a half of the circular mounting area (31) is hollowed out to form a semicircular through hole (32); the middle part of the circular mounting area (31) is rotatably connected with a sealing plate (4) which can be used for sealing the through opening (32), and a driving component for driving the sealing plate (4) to rotate is mounted; a detection assembly (9) for detecting whether the cooling fan (2) rotates is mounted at the mounting shaft of the cooling fan (2); a control device is installed in a junction box (11) of the motor body (1), and the control device is electrically connected with the driving assembly and the detection assembly (9).

2. The motor with the dustproof function according to claim 1, wherein the detection assembly (9) comprises a proximity switch and a trigger member, the trigger member is installed on a rotating shaft (53) of the heat radiation fan (2), and the proximity switch is installed on a rear end face of the motor body (1).

3. The motor with the dustproof function according to claim 1, wherein the driving assembly comprises a shaft sleeve (52), a rotating shaft (53), a mounting plate (54) and a rotary driver (51), the mounting plate (54) is fixed on the inner side of the rear end cover (3), and the rotary driver (51) is fixed on the mounting plate (54); the middle part of the rear end cover (3) is provided with a shaft hole, and the shaft sleeve (52) is fixed at the shaft hole; the rotating shaft (53) is sleeved in the shaft sleeve (52) and can rotate freely; the blanking plate (4) is fixedly sleeved at the rear end of the rotating shaft (53), and the front end of the rotating shaft (53) is coaxially connected with an output shaft of the rotary driver (51).

4. The motor with the dustproof function according to claim 1, wherein a mounting through groove is formed in the top side of the rear end cover (3), a wire holder (6) is hermetically mounted at the mounting through groove, a plurality of first plug ports for plugging the wires (7) of the driving assembly and the detecting assembly (9) are formed in the lower end of the wire holder (6), a second plug port is formed in the upper end of the wire holder (6), and the first plug port is electrically connected with the second plug port.

5. The motor with dust-proof function as claimed in claim 4, wherein said control device comprises a housing, a power supply module and a control board, wherein the power supply module is electrically connected with the terminal in the junction box (11).

6. The motor with the dustproof function according to claim 1, wherein a sponge layer (41) is arranged on the inner side of the sealing plate (4).

7. The motor with the dustproof function according to claim 1, wherein the lead (7) of the driving assembly is fixed on the inner wall of the rear end cover (3) through a buckle, and the lead (7) of the detection assembly (9) is fixed on the inner wall of the rear end cover (3) and the side wall of the motor body (1) through a magnetic buckle (8).