CN215934612U

CN215934612U - Isolation dust cover for three-phase asynchronous motor

Info

Publication number: CN215934612U
Application number: CN202122449787.8U
Authority: CN
Inventors: 李飞; 张军
Original assignee: Weihai Shenli Motor Co ltd
Current assignee: Weihai Shenli Motor Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-01
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to the technical field of three-phase asynchronous motors, in particular to an isolation dust cover for a three-phase asynchronous motor, which comprises a protective cover, a cover plate, two limiting plates, sealing plates, an extension plate, a first flexible pad, an adapter plate and a second flexible pad, wherein the top end of the second flexible pad is tightly attached to the bottom end of the first flexible pad, the bottom end of the adapter plate is fixedly connected with an upper plate, the front part of the bottom end and the rear part of the bottom end of the upper plate are fixedly connected with frame plates, through holes which penetrate through up and down are formed in the frame plates, the bottom ends of the sealing plates are inserted into and correspond to the through holes, a bottom plate is arranged on the lower side of the upper plate, the top end of the bottom plate is fixedly connected with the bottom ends of the frame plates, a fan is arranged at the bottom end of the upper plate, and a ventilation hole is formed in the middle part of the upper plate and is opposite to the fan.

Description

Isolation dust cover for three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of three-phase asynchronous motors, in particular to an isolation dust cover for a three-phase asynchronous motor.

Background

Three-phase asynchronous motor is one of numerous motors, with the three-phase voltage power supply, can provide reliable operation for industrial equipment, price offset and the powerful power take off performance of overload capacity, because the scene of industrial application is comparatively complicated, use under the more environment of dust mostly, the motor receives dust influence back on every side, the life of motor can receive the influence, the hole site of the motor shaft of ordinary dust cover is single, the position of the output shaft of different motors is different, adaptability is relatively poor, and the inside of current dust cover is comparatively sealed, be unfavorable for the heat dissipation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an isolation dust cover for a three-phase asynchronous motor, which has the characteristics of adaptability to different motor mounting hole positions, ventilation and heat dissipation.

In order to achieve the purpose, the utility model provides the following technical scheme: an isolation dust cover for a three-phase asynchronous motor comprises a protective cover, wherein cover plates are arranged at the front end and the rear end of the protective cover, two limiting plates are fixedly connected to one end of each cover plate, which is far away from the protective cover, and a sealing plate is arranged at one end of each cover plate, which is far away from the protective cover;

the equal fixedly connected with extension board in bottom of each apron, first square groove has all been seted up to the bottom of each extension board, the inside in first square groove is provided with first gentle pad, the bottom fixedly connected with keysets of guard shield, the keysets is back type, the second square groove has all been seted up at the front portion and the rear portion of keysets, the inside in each second square groove all is provided with the gentle pad of second, the top of the gentle pad of second and the bottom of first gentle pad are pasted tightly, the bottom fixedly connected with upper plate of keysets, the bottom front portion and the equal fixedly connected with frame plate in bottom rear portion of upper plate, the through-hole that runs through from top to bottom is provided with in the inside of frame plate, the bottom of each shrouding all inserts and corresponds the inside of through-hole, the downside of upper plate is provided with the bottom plate, the top of bottom plate and the bottom fixed connection of each frame plate, the fan is installed to the bottom of upper plate, the middle part of upper plate has been seted up and the ventilation hole, ventilation hole and fan set up relatively.

Preferably, the equal a plurality of screwed pipes of fixedly connected with in top of each extension board, the middle part of each screwed pipe all has a housing screw through threaded connection, and the extension board is all passed through to the bottom of each housing screw, and the bottom of each housing screw all contacts with the top of first gentle pad.

Preferably, the shroud and the opposite intermediate region of each cover plate are provided with a gasket.

Preferably, the front end and the rear end of the shield are fixedly connected with a plurality of screws, the middle part of each screw on the front side penetrates through the corresponding sealing gasket and the corresponding cover plate on the front side, each screw on the rear side penetrates through the corresponding sealing gasket and the corresponding cover plate on the rear side, and the circumferential outer wall of each screw is connected with a nut through threads.

Preferably, the opposite ends of each limit plate and each corresponding sealing plate are provided with limit grooves corresponding to the sealing plates, and the top end of each sealing plate is fixedly connected with a top plate.

Preferably, the inside of guard shield is provided with two diaphragms, the bottom of each diaphragm all with the top fixed connection of keysets.

Preferably, the middle part of the closing plate at the rear side is connected with a blocking plate through a screw.

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

this asynchronous motor of three-phase is with keeping apart dust cover, through installing three phase motor inside the guard shield, the output shaft at different three phase motor is when the height of difference, through user pulling shrouding, make the shrouding rise, and the region that the output shaft of adjustment three phase motor can pass, and connect three phase motor's front portion and shrouding through using the screw, and then limit the position of shrouding, reach the effect that adapts to the output shaft co-altitude not of three phase motor, and cooperate between first gentle pad and the gentle pad of second, and then seal the gap department of living front side and rear side, further reduce the inside condition of external dust entering guard shield, and produce the wind pressure through the fan, bring out the inside hot gas of guard shield, and blow dust around to far away, reach the different motor installation hole site of adaptation, ventilation cooling's effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention;

FIG. 6 is a schematic front view of the present invention;

FIG. 7 is a schematic cross-sectional view taken at C-C of FIG. 6 according to the present invention;

FIG. 8 is a schematic perspective view of the sealing plate, the upper plate and the fan of the present invention;

fig. 9 is a schematic perspective view of the cover plate, the top plate, the sealing plate and the limiting plate of the present invention.

The symbols in the figures indicate:

1. a shield; 2. a gasket; 3. a cover plate; 4. a nut; 5. a top plate; 6. closing the plate; 7. a limiting plate; 8. a three-phase motor; 9. an extension plate; 10. a first flexible pad; 11. a second flexible pad; 12. an upper plate; 13. a frame plate; 14. a base plate; 15. a solenoid; 16. a compression screw; 17. a transverse plate; 18. a fan; 19. a blocking plate; 20. a screw; 21. an adapter plate.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1 to 9, the utility model provides an isolation dust cover for a three-phase asynchronous motor, which comprises a shield 1, wherein cover plates 3 are arranged at the front end and the rear end of the shield 1, sealing gaskets 2 are arranged in the opposite middle areas of the shield 1 and the cover plates 3, the sealing gaskets 2 are rubber gaskets, and the condition that part of dust enters the shield 1 from the connection position of the shield 1 and the cover plates 3 is further reduced by the sealing effect of the sealing gaskets 2; the front end and the rear end of guard shield 1 are a plurality of screw rods 20 of equal fixedly connected with, the middle part of each screw rod 20 of front side all passes corresponding sealed pad 2 and apron 3 of front side, each screw rod 20 of rear side all passes each corresponding sealed pad 2 and apron 3 of rear side, the circumference outer wall of each screw rod 20 all has nut 4 through threaded connection, through cooperation between screw rod 20 and the nut 4, and then restrict the position of apron 3, effectively connect apron 3 and guard shield 1, and when the dismouting, accessible screw rod 20 and the cooperation of apron 3, reduce the crooked condition of apron 3, be convenient for carry out the dismouting.

In this embodiment, two limiting plates 7 of the equal fixedly connected with in one end of keeping away from guard shield 1 of each apron 3, the one end of keeping away from guard shield 1 of each apron 3 all is provided with shrouding 6, the looks remote site with each corresponding shrouding 6 of each limiting plate 7 all is provided with the spacing groove corresponding with shrouding 6, the equal fixedly connected with roof 5 in top of each shrouding 6, restrain shrouding 6's shift position through the spacing groove, further reduce the condition of 6 lateral shifting of shrouding, there is closure plate 19 at the middle part of the shrouding 6 of rear side through the screw connection, block up the shrouding 6 of rear side through closure plate 19, further reduce when not using the shrouding 6 of rear side, the inside condition of shrouding 1 is got into in through 6 departments of the shrouding of rear side to external dust.

In this embodiment, the equal fixedly connected with extension board 9 in bottom of each apron 3, first square groove has all been seted up to the bottom of each extension board 9, the inside in first square groove is provided with first gentle pad 10, the bottom fixedly connected with keysets 21 of guard shield 1, keysets 21 is back the type, the second square groove has all been seted up to the front portion and the rear portion of keysets 21, the inside in each second square groove all is provided with the gentle pad 11 of second, the top of the gentle pad 11 of second and the bottom of the gentle pad 10 of first are pasted tightly, the gentle pad 10 of first gentle pad 10 of second and the gentle pad 11 of second are the rubber pad.

Bottom fixedly connected with upper plate 12 of keysets 21, the bottom front portion of upper plate 12 and the equal fixedly connected with frame plate 13 in bottom rear portion, the inside of frame plate 13 is provided with the through-hole that runs through from top to bottom, the inside of the bottom of each shrouding 6 all inserts and corresponds the through-hole, the downside of upper plate 12 is provided with bottom plate 14, the top of bottom plate 14 and the bottom fixed connection of each frame plate 13, the equal a plurality of screwed pipes 15 of fixedly connected with in top of each extension board 9, the middle part of each screwed pipe 15 all has housing screw 16 through threaded connection, extension board 9 is all passed to the bottom of each housing screw 16, the bottom of each housing screw 16 all contacts with the top of first gentle pad 10, restrict the position of housing screw 16 through screwed pipe 15, behind the rotatory housing screw 16 of user, push up tight first gentle pad 10, and then make first gentle pad 10 of second 11 paste tightly, further improve sealed effect.

In this embodiment, two transverse plates 17 are arranged inside the shield 1, the bottom end of each transverse plate 17 is fixedly connected with the top end of the adapter plate 21, the three-phase motor 8 is erected through the transverse plates 17 to replace the three-phase motor 8 to be installed on the extension plate 9, so that the airflow can flow conveniently, and the heat dissipation is facilitated; the fan 18 is installed at the bottom end of the upper plate 12, a ventilation hole is formed in the middle of the upper plate 12, the ventilation hole and the fan 18 are arranged oppositely, the three-phase motor 8 is installed inside the shield 1, when output shafts of different three-phase motors 8 are at different heights, the sealing plate 6 is pulled to ascend, the area which can be penetrated by the output shaft of the three-phase motor 8 is adjusted, the front portion of the three-phase motor 8 is connected with the sealing plate 6 through screws, the position of the sealing plate 6 is limited, the effect of adapting to different heights of the output shaft of the three-phase motor 8 is achieved, the first flexible pad 10 and the second flexible pad 11 are matched with each other, gaps on the front side and the rear side are sealed, and the situation that external dust enters the shield 1 is further reduced; wind pressure is generated by the fan 18, hot gas in the shield 1 is taken out, surrounding dust is blown to a far place, and the effects of adapting to different motor mounting hole positions, ventilating and radiating are achieved.

When the three-phase motor sealing plate is used, the three-phase motor 8 is firstly installed on the two transverse plates 17, a user pulls the sealing plate 6 to enable the sealing plate 6 to ascend, further, the area which can be penetrated by the output shaft of the three-phase motor 8 is adjusted, the front part of the three-phase motor 8 is connected with the sealing plate 6 on the front side through screws, and further, the position of the sealing plate 6 is limited.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an asynchronous motor of three-phase is with keeping apart dust cover which characterized in that: the protective cover comprises a protective cover (1), wherein cover plates (3) are arranged at the front end and the rear end of the protective cover (1), one end of each cover plate (3) far away from the protective cover (1) is fixedly connected with two limiting plates (7), and one end of each cover plate (3) far away from the protective cover (1) is provided with a sealing plate (6);

the bottom of each cover plate (3) is fixedly connected with an extension plate (9), the bottom end of each extension plate (9) is provided with a first square groove, a first flexible pad (10) is arranged inside the first square groove, the bottom end of the shield (1) is fixedly connected with an adapter plate (21), the adapter plate (21) is of a clip shape, the front part and the rear part of the adapter plate (21) are provided with second square grooves, a second flexible pad (11) is arranged inside each second square groove, the top end of the second flexible pad (11) is tightly attached to the bottom end of the first flexible pad (10), the bottom end of the adapter plate (21) is fixedly connected with an upper plate (12), the bottom front part and the bottom rear part of the upper plate (12) are fixedly connected with a frame plate (13), the frame plate (13) is internally provided with through holes which penetrate through up and down, and the bottom end of each sealing plate (6) is inserted into and corresponds to the inside of the through holes, the downside of upper plate (12) is provided with bottom plate (14), the top of bottom plate (14) and each the bottom fixed connection of frame plate (13), fan (18) are installed to the bottom of upper plate (12), the middle part of upper plate (12) has been seted up with the ventilation hole, the ventilation hole with fan (18) set up relatively.

2. The isolating dust cover for the three-phase asynchronous motor according to claim 1, characterized in that: the top end of each extension plate (9) is fixedly connected with a plurality of screw pipes (15), the middle of each screw pipe (15) is connected with a compression screw (16) through threads, the bottom end of each compression screw (16) penetrates through the extension plate (9), and the bottom end of each compression screw (16) is contacted with the top end of the first soft pad (10).

3. The isolating dust cover for the three-phase asynchronous motor according to claim 2, wherein: and sealing gaskets (2) are arranged in the opposite middle areas of the shield (1) and the cover plates (3).

4. The isolating dust cover for the three-phase asynchronous motor according to claim 3, wherein: the front end and the rear end of the protective cover (1) are fixedly connected with a plurality of screws (20), the middle of each screw (20) on the front side penetrates through the corresponding sealing gasket (2) and the corresponding cover plate (3) on the front side, each screw (20) on the rear side penetrates through the corresponding sealing gasket (2) and the corresponding cover plate (3) on the rear side, and the circumferential outer wall of each screw (20) is connected with a nut (4) through threads.

5. The isolating dust cover for the three-phase asynchronous motor as claimed in claim 4, wherein: the opposite ends of each limiting plate (7) and each corresponding sealing plate (6) are respectively provided with a limiting groove corresponding to the sealing plate (6), and the top end of each sealing plate (6) is fixedly connected with a top plate (5).

6. The isolating dust cover for the three-phase asynchronous motor according to claim 5, wherein: two transverse plates (17) are arranged inside the protective cover (1), and the bottom ends of the transverse plates (17) are fixedly connected with the top end of the adapter plate (21).

7. The isolating dust cover for the three-phase asynchronous motor as claimed in claim 6, wherein: the middle part of the sealing plate (6) at the rear side is connected with a blocking plate (19) through a screw.