CN219678239U - A dust-proof device for a motor - Google Patents

Abstract

The utility model discloses a dustproof device of a motor, which belongs to the technical field of motors and comprises a base and a motor main body, wherein a lower shell and an upper shell are arranged above the base, the motor main body is arranged between the inner circumferences of the lower shell and the upper shell, a mounting plate is arranged at the bottom of the motor main body, a concave cavity is formed in the top of the base, a double-threaded rod, a threaded sleeve and a hinge rod for driving the mounting plate to lift are arranged at the inner circumference of the concave cavity, semicircular openings are formed in the same side of the lower shell and the upper shell, a plugging sleeve is connected between the two semicircular openings in a threaded manner, the top of the upper shell is a through opening, a rain shield is connected to the periphery of the top of the upper shell, a plugging plate is arranged in the rain shield, and a plurality of blowing fans are rotationally connected to the two bottom sides in the rain shield. The dustproof device of the motor is mainly suitable for large-scale motors, has high applicability, and has the functions of dust prevention, rain prevention and heat dissipation.

Description

A dust-proof device for an electric motor

Technical field

The utility model belongs to the technical field of electric motors, in particular to a dust-proof device for electric motors.

Background technique

Motors are relatively commonly used driving equipment. In industrial production, motors are the key to ensuring the normal operation of the production line where the equipment they drive is located. The motor generally includes a motor casing and front and rear end covers at both ends of the motor casing. The motor body (including the stator, rotor and other components) is located in the motor casing. A fan that rotates coaxially with the motor is provided in the back cover to dissipate heat from the motor. , the existing heat dissipation back cover is made of 1.9mm thick iron sheet. It is troublesome to replace the heat dissipation back cover after it is damaged, and the fan is set at the rear end of the motor to rotate with the motor shaft. In the case of long-term use , dust will accumulate on the fan blades and affect the operation of the fan, resulting in poor heat dissipation inside the motor.

The public number is CN202222540056.9, a motor casing with dust-proof and heat-dissipation effect. It achieves dust-proof purpose by wrapping the casing. However, this method is not suitable for larger motors. The motor lacks a dust-proof device and needs to be improved on this point.

Utility model content

The purpose of this utility model is to provide a dust-proof device for a motor to solve the problems raised in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solution: a dust-proof device for a motor, which includes a base and a motor body. A lower housing and an upper housing are provided above the base, and the motor body is provided on the lower housing and the upper housing. Between the inner periphery of the housing and the bottom of the motor body, a mounting plate is provided. A cavity is provided on the top of the base, and the inner periphery of the cavity is provided with a double-threaded rod, a threaded sleeve and a hinge rod for driving the mounting plate up and down. , the lower shell and the upper shell are both provided with semicircular openings on the same side, and a blocking sleeve is threadedly connected between the two semicircular openings. The top of the upper shell is a through opening, and the top of the upper shell is connected to the outer periphery with a blocking sleeve. A rain cover is provided with a movable blocking plate adapted to the opening, and a plurality of blowing fans are rotatably connected to both bottom sides of the rain cover.

Preferably, the outer peripheral part of the double-threaded rod in the cavity is provided with two sets of threads in opposite directions, and the two thread sleeves are respectively fixed to the two sets of thread sleeves.

Preferably, the threaded sleeve is adapted to the cavity, and the two ends of the hinge rod are respectively hinged with the bottom of the mounting plate and the corresponding threaded sleeve.

Preferably, the center of the top of the blocking plate is provided with a control screw that is rotationally connected through a bearing and is threadedly connected to the rain shield, and two limiting rods are connected to both sides of the top of the blocking plate.

Preferably, the outer peripheries of the plurality of blowing fans are connected with ring gears, and the plurality of ring gears mesh with each other.

Preferably, one side of the interior of the rain shield is provided with a transmission gear meshing with the ring gear, and one side of the outer circumference of the transmission gear passes through the upper housing and is engaged with a driving gear.

Preferably, a mobile power supply and multiple heating elements are installed on the inner wall of the upper housing.

Compared with the existing technology, the technical effects and advantages of this utility model are:

The design of the two sets of threads in the double-threaded rod with opposite directions and the symmetrical design of the thread sleeve and hinge rod, through the connection between the motor body and the mounting plate and the limiting function of the guide rod and the mounting plate, and then through the sealing heads of different specifications to the motor The surrounding design of the convex part of the output shaft of the main body further enables height adjustment, making it easy to adapt to different motor bodies and improving applicability;

The surrounding design of the upper and lower shells, as well as the design of the rain shield and blocking plate, can further prevent dust and rain. Through the transmission of the gear and the meshing of the ring gear, when the drive motor is running, the Multiple rotary-connected blowing fans rotate and discharge hot air to produce efficient heat dissipation;

The dust-proof device of the motor is mainly suitable for larger motors and has high applicability. It also has the functions of dust-proof, rain-proof and heat dissipation.

Description of drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The accompanying drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a central cross-sectional view of the utility model;

Figure 3 is an engagement cross-sectional view of the rain shield of the present invention along the direction of the blower.

Explanation of reference symbols:

1. Base; 2. Motor body; 3. Lower shell; 4. Upper shell; 5. Mounting plate; 6. Blocking sleeve; 7. Rain shield; 8. Blowing fan; 9. Drive motor; 10. Mobile power supply ;11. Heating element; 12. Guide rod;

21. Double threaded rod; 22. Threaded sleeve; 23. Hinge rod;

31. Blocking plate; 32. Control screw; 33. Limit rod;

41. Ring gear; 42. Transmission gear; 43. Driving gear;

81. Cavity.

Detailed ways

In the following description, numerous specific details are given in order to provide a more thorough understanding of the invention. However, it will be apparent to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features well known in the art are not described in order to avoid confusion with the present invention.

Except for the directions indicated by separate definitions, the directions mentioned in this article, such as up, down, left, right, front, back, inside and outside, refer to the up, down, left, right, front, and other directions in the drawings shown in the present utility model. The rear, inner and outer directions shall prevail and are explained together here.

The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., subject to actual needs.

Please refer to Figure 1 and Figure 2. The general structure of the device body is as follows: base 1, a lower housing 3 is mounted on the top bolt of the base 1, an upper housing 4 is fixed on the top bolt of the lower housing 3, and a mounting plate is provided inside the lower housing 3 5. The motor body 2 is installed on the top of the mounting plate 5. Semi-circular openings are provided on the same side of the lower housing 3 and the upper housing 4. A blocking sleeve 6 is threadedly connected between the two semi-circular openings. The blocking sleeve 6 is provided with multiple The sealing sleeve 6 is of different diameters and can surround the convex part of the output shaft of the motor body 2 to achieve sealing. Insulation materials can be added to the inner walls of the lower housing 3 and the upper housing 4.

Please refer to Figure 2. In order to facilitate winter use, a mobile power supply 10 and multiple heating elements 11 are installed on the inner wall of the upper housing 4. When it is in an extremely cold place, the mobile power supply 10 is used to provide power, so that the electric parts and power lines are inside the thermal insulation. , to avoid freezing damage caused by exposed wiring and electrical parts. If it is in a non-extremely cold place, just connect it directly to the external power supply;

The top of the upper housing 4 is a through opening, and the top periphery of the upper housing 4 is connected to a rain shield 7. The center of the top of the rain shield 7 is threadedly connected to a control screw 32, and the bottom end of the control screw 32 is connected to a blocking plate through bearing rotation. 31. Two limiting rods 33 are connected to both sides of the top of the blocking plate 31 .

Please refer to Figure 2. In order to facilitate adjustment and adapt to different motor bodies 2, a cavity 81 is provided on the top of the base 1. The inner circumference of the cavity 81 is connected to a double-threaded rod 21 through a bearing. The outer circumference of the double-threaded rod 21 is provided with a cavity 81. There are two sets of threads in opposite directions, and the two sets of threads of the double-threaded rod 21 are provided with thread sleeves 22;

One end of the double-threaded rod 21 penetrates the base 1 and is connected with a rotor for easy rotation. The threaded sleeve 22 is adapted to the cavity 81. The top of the threaded sleeve 22 is hinged with a hinge rod 23, and the other end of the hinge rod 23 is connected to the mounting plate. The bottom of the mounting plate 5 is hinged, and the two hinge rods are designed to be 23-position symmetrical. The four corners of the mounting plate 5 are connected with guide rods 12 for position limiting.

Please refer to Figure 2 and Figure 3. In order to achieve heat dissipation in summer, a plurality of blowing fans 8 are rotatably connected to both bottom sides of the rain shield 7. The position of the rain shield 7 with the multiple blowing fans 8 is to facilitate the passage of hot air. Screen frame design;

The blowing fan 8 is composed of a fan casing and a plurality of vortex fan blades, and the air outlets of the plurality of vortex fan blades are the same.

The outer circumferences of the plurality of blowing fans 8 are connected with ring gears 41, and the plurality of ring gears 41 mesh with each other. A transmission gear 42 is rotatably connected to one side inside the rain shield 7, and the transmission gear 42 meshes with the ring gear 41;

A driving motor 9 is installed on both sides of the inner wall of the upper housing 4. The output end of the driving motor 9 is connected to a driving gear 43 through a coupling. One side of the outer circumference of the driving gear 43 and the transmission gear 42 both pass through the upper housing 4 and mesh with each other.

The driving motor 9, the mobile power supply 10 and the heating element 11 are all existing technologies or currently achievable technologies. The working principle, size and model have nothing to do with the functions of this application, so they will not be described in detail, and they are all controlled by remote control switches. .

working principle

Before using the dust-proof device of the motor, according to the size of the motor body 2, use a tool to rotate the rotor to drive the double-threaded rod 21 to rotate, so that the hinge rod 23 moves synchronously to raise the mounting plate 5 to the required height. The firmware is installed and connected, and it is ready for use;

When used in winter, the regulating screw 32 is rotated to drive the blocking plate 31 down, so that the blocking plate 31 blocks the opening, and then the heating element 11 is started to heat and preserve the interior;

When used in summer, rotate the control screw 32 to maintain the maximum opening, and at the same time start the driving motor 9 to drive the driving gear 43 to rotate, so that the transmission gear 42 drives multiple ring gears 41 to rotate, causing multiple blowing fans 8 to rotate, and further Achieve efficient heat dissipation.

It should be noted that in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any relationship between these entities or operations. This actual relationship or sequence. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further restrictions. The statement "includes an element does not preclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element."

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A dust-proof device for a motor, including: Base (1), a lower housing (3) and an upper housing (4) are provided above the base (1), and the lower housing (3) and the upper housing (4) are tightly connected; Motor body (2), the motor body (2) is arranged between the inner periphery of the lower housing (3) and the upper housing (4), and the bottom of the motor body (2) is provided with a mounting plate (5); It is characterized in that: the top of the base (1) is provided with a cavity (81), and the inner periphery of the cavity (81) is provided with a double-threaded rod (21) and a threaded sleeve (21) for driving the mounting plate (5) to rise and fall. 22) and hinge rod (23), the lower housing (3) and the upper housing (4) are both provided with semicircular openings on the same side, and a blocking sleeve (6) is threadedly connected between the two semicircular openings. The top of the upper casing (4) is a through opening, and a rain shield (7) is connected to the top periphery of the upper casing (4). The interior of the rain shield (7) is provided with a movable and adapted to the through opening. Blocking plate (31), and both bottom sides inside the rain shield (7) are rotatably connected with a plurality of blowing fans (8). 2. A dust-proof device for a motor according to claim 1, characterized in that: the outer peripheral part of the double-threaded rod (21) located in the cavity (81) is provided with two sets of threads in opposite directions, and the two threads are in opposite directions. The thread sleeves (22) are fixed with two sets of thread sleeves respectively. 3. A dust-proof device for a motor according to claim 2, characterized in that: the threaded sleeve (22) is adapted to the cavity (81), and the two ends of the hinge rod (23) are respectively in contact with the cavity (81). The bottom of the mounting plate (5) is hinged with the corresponding threaded sleeve (22). 4. A dust-proof device for a motor according to claim 1, characterized in that: the center of the top of the blocking plate (31) is provided with a rotary connection through a bearing and is threadedly connected to the rain shield (7). The regulating screw (32) is connected with two limiting rods (33) on both sides of the top of the blocking plate (31). 5. A dust-proof device for a motor according to claim 1, characterized in that: the outer circumferences of the plurality of blowing fans (8) are connected with ring gears (41), and the plurality of ring gears (41) ) mesh with each other. 6. A dust-proof device for a motor according to claim 5, characterized in that a transmission gear (42) meshing with the ring gear (41) is provided on one side inside the rain shield (7). And one side of the outer circumference of the transmission gear (42) passes through the upper housing (4) and is engaged with the driving gear (43). 7. A dust-proof device for a motor according to claim 1, characterized in that a mobile power supply (10) and a plurality of heating elements (11) are installed on the inner wall of the upper housing (4).