CN216356286U

CN216356286U - Compact low-noise three-phase asynchronous motor

Info

Publication number: CN216356286U
Application number: CN202122451748.1U
Authority: CN
Inventors: 王同山
Original assignee: Changzhou Nanfang Motor Co ltd
Current assignee: Changzhou Nanfang Motor Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-19
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of motors, in particular to a compact low-noise three-phase asynchronous motor which comprises a fixed block and a protective box, wherein a driving motor is arranged at the top end of the fixed block, the protective box is arranged at the top end of the fixed block, a protective groove is arranged at the bottom end of the protective box, a noise reduction module is arranged in the side wall of the protective groove, a driving port is arranged at the position, corresponding to the output end of the driving motor, of the side wall of the left side of the protective groove, fixed plates are respectively arranged on the side walls of the left side and the right side of the protective box, and the noise generated when the driving motor works can be conveniently reduced through the arrangement of the noise reduction module and the protective box, so that noise pollution is reduced. Through fixing device's setting, be convenient for fix the protective housing through spacing to bracing piece and backup pad. Through self-lock device's setting, be convenient for prevent that the drive ring from rotating to prevent fixed pipe and rotate, thereby prevent that fixed pipe is not hard up, thereby promote fixed effect, it is fixed effectual.

Description

Compact low-noise three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of motors, in particular to a compact low-noise three-phase asynchronous motor.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.

The motor among the prior art has the great condition of noise, may cause in some interior decoration processes to take place in disturbing the condition of people, and some motors commonly used mostly can set up the puigging in the outside of motor, and such puigging is a whole mostly, detains the puigging on the motor during the installation to carry out fixed mounting through the bolt, and such mode has certain drawback, and the bolt is not hard up easily when using. The prior art, for example, patent number "CN 202021766284.2" is a new type of low noise variable frequency motor, which includes a base; the fixed plate is fixedly arranged at the top of the base; the movable box is slidably mounted at the top of the base, an opening is formed in one side, close to the fixed plate, of the movable box, and an opening is formed in the bottom of the movable box; the motor body is fixedly arranged on the top of the base; the four clamping grooves are formed in the top of the base; the two fixed boxes are fixedly arranged on the outer wall of one side, far away from the fixed plate, of the movable box; and the two through grooves are formed in the outer wall of one side of the fixing plate. The device is complicated to the installation dismantlement operation of removal case, and fixed intensity is not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a compact low-noise three-phase asynchronous motor with good fixing effect.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a compact low-noise three-phase asynchronous motor comprises a fixed block and a protective box, wherein a driving motor is arranged at the top end of the fixed block, the protective box is arranged at the top end of the fixed block, a protective groove is formed in the bottom end of the protective box, a noise reduction module is arranged in the side wall of the protective groove, a driving port is arranged at the position, corresponding to the output end of the driving motor, of the left side wall and the right side wall of the protective groove, fixed plates are respectively arranged on the left side wall and the right side wall of the protective box, a fixing device is arranged at the bottom end of each fixed plate and comprises a supporting rod, a supporting plate, a fixed pipe and a driving ring, a supporting rod is arranged at the bottom end of each fixed plate, a supporting groove is arranged at the position, corresponding to the supporting plate, of the top end of the fixed block, an internal thread is arranged above the side wall of the supporting groove, the fixed pipe is sleeved on the surface of the supporting rod, an external thread is arranged on the surface of the fixed pipe, a driving ring is arranged at the top end of the side wall of the fixed pipe, limiting grooves are evenly distributed in the side wall of the driving ring, and self-locking devices are respectively arranged at the left end and the right end of the fixing block.

In order to improve the noise reduction performance of the protective box, the noise reduction module comprises a noise reduction cavity, the noise reduction cavity is arranged in the side wall of the protective groove, a rock wool noise reduction layer is arranged on the side wall of the noise reduction cavity close to one side of the driving motor, and a polyurethane foam layer is arranged on the side wall of the noise reduction cavity far away from one side of the driving motor.

In order to prevent the fixed pipe from loosening, the self-locking device comprises a connecting rod, a connecting spring, a first limiting rod and a second limiting rod, wherein connecting cavities are respectively arranged at the left end and the right end of the fixed block, the connecting rod is arranged in the connecting cavities in a sliding mode, the connecting spring is arranged between the connecting rod and the side wall of the connecting cavity, which is far away from one side of the supporting groove, the first through hole is formed in the position, corresponding to the limiting groove, of the top end of the connecting cavity, the second through hole is formed in the position, located on the side, far away from the supporting groove, of the first through hole, of the top end of the connecting cavity, the first limiting rod and the second limiting rod are respectively arranged in the positions, corresponding to the first through hole and the second through hole, of the top end of the connecting rod, and the first limiting rod and the second limiting rod respectively penetrate through the first through hole and the second through hole to extend out of the fixed block.

In order to improve the damping performance of the protective box and further improve the stability of the protective box, the utility model has the improvement that the damping block is arranged in the supporting groove in a sliding mode, and the damping spring is arranged between the damping block and the bottom of the supporting groove.

In order to further improve the noise reduction performance of the protective box, the utility model has the improvement that the inner wall of the protective tank is coated with sepiolite wool sound-insulating coating.

In order to control the fixed block to move, the utility model has the improvement that the bottom end of the fixed block is provided with a universal wheel.

(III) advantageous effects

Compared with the prior art, the utility model provides a compact low-noise three-phase asynchronous motor, which has the following beneficial effects:

this compact low noise three-phase asynchronous motor through the setting of the module of making an uproar and guard box of falling, is convenient for cut down the noise that driving motor during operation produced to noise pollution abatement. Through fixing device's setting, be convenient for fix the protective housing through spacing to bracing piece and backup pad. Through self-lock device's setting, be convenient for prevent that the drive ring from rotating to prevent fixed pipe and rotate, thereby prevent that fixed pipe is not hard up, thereby promote fixed effect, it is fixed effectual.

Drawings

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

FIG. 2 is a schematic structural view of the protective box of the present invention in a fixed state;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a schematic view of the structure of the drive ring of the present invention.

In the figure: 1. a fixed block; 2. a protective box; 3. a drive motor; 4. a protective bath; 5. a drive port; 6. a fixing plate; 7. a support bar; 8. a support plate; 9. a fixed tube; 10. a drive ring; 11. a support groove; 12. a limiting groove; 13. a self-locking device; 14. a noise reduction cavity; 15. a rock wool sound attenuation layer; 16. a polyurethane foam layer; 17. a connecting rod; 18. a connecting spring; 19. a first limit rod; 20. a second limiting rod; 21. a connecting cavity; 22. a first through hole; 23. a second through hole; 24. a damper block; 25. a damping spring; 26. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a compact low-noise three-phase asynchronous motor comprises a fixed block 1 and a protection box 2, wherein a driving motor 3 is arranged at the top end of the fixed block 1, the protection box 2 is arranged at the top end of the fixed block 1, a protection tank 4 is arranged at the bottom end of the protection box 2, a noise reduction module is arranged in the side wall of the protection tank 4, a driving port 5 is arranged at the position of the left side wall of the protection tank 4 corresponding to the output end of the driving motor 3, fixing plates 6 are respectively arranged at the left side wall and the right side wall of the protection box 2, a fixing device is arranged at the bottom end of the fixing plates 6, the fixing device comprises a supporting rod 7, a supporting plate 8, a fixing pipe 9 and a driving ring 10, a supporting rod 7 is arranged at the bottom end of the fixing plate 6, a supporting plate 8 is arranged at the bottom end of the supporting rod 7, a supporting groove 11 is arranged at the position of the top end of the fixed block 1 corresponding to the supporting plate 8, and an internal thread is arranged above the side wall of the supporting groove 11, the utility model discloses a bracing piece, including bracing piece 7, fixed pipe 9, drive ring 10 lateral wall equipartition spacing groove 12, both ends set up self-lock device 13 respectively about fixed block 1.

The module of making an uproar falls including falling the cavity 14 of making an uproar, the cavity 14 of making an uproar falls in 4 lateral walls of protecting bath, it is close to 3 one side lateral walls of driving motor and sets up rock wool noise damping layer 15 to fall the cavity 14 of making an uproar, it sets up polyurethane foam layer 16 to fall the cavity 14 of making an uproar to keep away from 3 one side lateral walls of driving motor, is convenient for promote the performance of making an uproar of protecting box 2.

The self-locking device 13 comprises a connecting rod 17, a connecting spring 18, a first limiting rod 19 and a second limiting rod 20, the left end and the right end of the fixed block 1 are respectively provided with a connecting cavity 21, a connecting rod 17 is arranged in the connecting cavity 21 in a sliding way, a connecting spring 18 is arranged between the connecting rod 17 and the side wall of the connecting cavity 21 far away from the supporting groove 11, a first through hole 22 is arranged at the top end of the connecting cavity 21 corresponding to the position of the limit groove 12, a second through hole 23 is arranged at the top end of the connecting cavity 21 at one side of the first through hole 22 far away from the support groove 11, the top end of the connecting rod 17 is provided with a first limiting rod 19 and a second limiting rod 20 at the positions corresponding to the first through hole 22 and the second through hole 23 respectively, the first limiting rod 19 and the second limiting rod 20 respectively penetrate through the first through hole 22 and the second through hole 23 to extend out of the fixing block 1, so that the fixing pipe 9 is prevented from loosening.

Support and slide in the groove 11 and set up snubber block 24, set up damping spring 25 between snubber block 24 and the groove bottom of support groove 11, be convenient for promote the damping performance of protective housing 2 to promote protective housing 2's stability.

The inner wall of the protective tank 4 is coated with sepiolite wool sound-insulating coating, so that the noise reduction performance of the protective tank 2 is further improved.

The bottom end of the fixed block 1 is provided with a universal wheel 26, so that the fixed block 1 can be conveniently controlled to move.

In summary, in the compact low-noise three-phase asynchronous motor, when in use, an operator places the protective box 2 above the fixed block 1, then the operator connects a device to be driven to the output end of the driving motor 3 through the driving port 5, then aligns the supporting rod 7 with the supporting groove 11 and presses the protective box 2 downwards, so that the supporting plate 8 extends into the supporting groove 11, then the operator pulls the second limiting rod 20 in a direction away from the supporting groove 11, then the operator screws the fixed pipe 9 into the supporting groove 11 through the screw-thread fit and screws the fixed pipe 9 into the supporting groove 11 through the driving ring 10, so that the supporting plate 8 is fixed, thereby fixing the protective box 2, and then the operator loosens the second limiting rod 20, so that the connecting rod 17 and the first limiting rod 19 move under the action of the connecting spring 18, thereby the first limiting rod 19 extends into the limiting groove 12, thereby limiting the driving ring 10, preventing the driving ring 10 and the fixed pipe 9 from rotating, preventing the fixed pipe 9 from loosening, and improving the fixing effect of the protective box 2.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compact low noise three-phase asynchronous motor, includes fixed block (1) and guard box (2), its characterized in that: the top end of the fixed block (1) is provided with a driving motor (3), the top end of the fixed block (1) is provided with a protective box (2), the bottom end of the protective box (2) is provided with a protective groove (4), a noise reduction module is arranged in the side wall of the protective groove (4), the left side wall of the protective groove (4) is provided with a driving port (5) corresponding to the output end of the driving motor (3), the left side wall and the right side wall of the protective box (2) are respectively provided with a fixed plate (6), the bottom end of the fixed plate (6) is provided with a fixing device, the fixing device comprises a supporting rod (7), a supporting plate (8), a fixed pipe (9) and a driving ring (10), the bottom end of the fixed plate (6) is provided with a supporting rod (7), the bottom end of the supporting rod (7) is provided with a supporting plate (8), and the top end of the fixed block (1) is provided with a supporting groove (11) corresponding to the supporting plate (8), support groove (11) lateral wall top and set up the internal thread, the fixed pipe (9) of bracing piece (7) surface suit, fixed pipe (9) surface sets up the external screw thread, fixed pipe (9) lateral wall top sets up drive ring (10), drive ring (10) lateral wall equipartition spacing groove (12), both ends set up self-lock device (13) respectively about fixed block (1).

2. A compact, low-noise three-phase asynchronous motor, according to claim 1, characterized in that: the noise reduction module is including making an uproar cavity (14) of falling, cavity (14) of making an uproar falls in shield groove (4) lateral wall sets up in, it sets up rock wool noise reduction layer (15) to fall cavity (14) of making an uproar to be close to driving motor (3) one side lateral wall, it sets up polyurethane foam layer (16) to fall cavity (14) of making an uproar to keep away from driving motor (3) one side lateral wall.

3. A compact, low-noise three-phase asynchronous motor, according to claim 1, characterized in that: self-lock device (13) include connecting rod (17), coupling spring (18), first gag lever post (19) and second gag lever post (20), both ends set up respectively and connect cavity (21) about fixed block (1), it sets up connecting rod (17) to slide in connect cavity (21), connecting rod (17) and connect cavity (21) are kept away from and are set up coupling spring (18) between support groove (11) one side lateral wall, connect cavity (21) top and spacing groove (12) corresponding position and set up first through-hole (22), it sets up second through-hole (23) to be located first through-hole (22) on one side of keeping away from support groove (11) on one side of connecting cavity (21) top, connecting rod (17) top and first through-hole (22) and second through-hole (23) correspond the position and set up first gag lever post (19) and second gag lever post (20) respectively, first gag lever post (19) and second gag lever post (20) pass first through-hole (22) and second through-hole (23) respectively The second through hole (23) extends out of the fixing block (1).

4. A compact, low-noise three-phase asynchronous motor, according to claim 1, characterized in that: the support groove (11) is internally provided with a damping block (24) in a sliding manner, and a damping spring (25) is arranged between the damping block (24) and the bottom of the support groove (11).

5. A compact, low-noise three-phase asynchronous motor, according to claim 1, characterized in that: and sepiolite wool sound-insulating coating is coated on the inner wall of the protective groove (4).

6. A compact, low-noise three-phase asynchronous motor, according to claim 1, characterized in that: the bottom end of the fixed block (1) is provided with a universal wheel (26).