CN214256042U - Pole-changing multi-speed three-phase asynchronous motor - Google Patents
Pole-changing multi-speed three-phase asynchronous motor Download PDFInfo
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- CN214256042U CN214256042U CN202120393713.4U CN202120393713U CN214256042U CN 214256042 U CN214256042 U CN 214256042U CN 202120393713 U CN202120393713 U CN 202120393713U CN 214256042 U CN214256042 U CN 214256042U
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Abstract
The utility model discloses a variable-pole multispeed three-phase asynchronous motor in the technical field of motors, which comprises a motor shell, wherein a stator is fixedly arranged in the motor shell, a rotor is arranged in the stator for rotating, a rotating shaft is fixedly connected in the rotor, and a fan blade is fixedly connected at the rear end of the rotating shaft; a second end cover is fixedly installed at the rear end of the motor shell, a second fixing lug is fixedly connected to the circumferential surface of the second end cover, a bolt is connected to the second fixing lug in an internal thread mode, a first fixing lug is connected to the circumferential surface of the bolt in a threaded mode, and the first fixing lug is fixedly connected with the motor shell; the spacing groove has been seted up to the second end cap periphery, and the draw-in groove has been seted up to the terminal surface before the spacing groove, and the spacing groove rear end face has been seted up and has been accomodate the groove, accomodates inslot fixedly connected with spring, spring front end fixedly connected with dog, sliding connection has the kelly in the draw-in groove, the rear end fixedly connected with safety cover of kelly, safety cover periphery fixedly connected with handle, the utility model discloses simple structure cost of manufacture is low, only needs simple operation just can be portable dismantlement safety cover.
Description
Technical Field
The utility model relates to the technical field of motors, specifically a change the multispeed three-phase asynchronous motor of utmost point.
Background
As is well known, a variable-pole multi-speed three-phase asynchronous motor is widely applied in production and life, and the conventional variable-pole multi-speed three-phase asynchronous motor comprises a shell, a connecting terminal, a rotating shaft, a rotor and a stator winding, wherein a cavity is arranged in the shell, the rotating shaft is rotatably arranged on the shell, the connecting terminal is arranged at the top end of the shell, the rotor is arranged on the rotating shaft, the stator winding is arranged on the inner wall of the cavity, the connecting terminal is electrically connected with the stator winding, and a plurality of groups of uniformly distributed strip-shaped heat dissipation protrusions are arranged on the shell; when the existing pole-changing multi-speed three-phase asynchronous motor is used, an external power supply is electrically connected with a connecting terminal, and a rotor drives a rotating shaft to rotate so as to output power.
However, current motor all utilizes fan and fin to dispel the heat when dispelling the heat, and the fan is when dispelling the heat, utilize the flabellum to rotate and drive wind and blow to motor body, and the flabellum need clear up or change after using for a long time, just can reach better radiating effect, and the tradition is when carrying out the dust of changing or clearing up the flabellum surface to the flabellum, need to unload the screw on the protective housing and just can give the protective housing and take off, just at this moment can change the dust of flabellum or clearance flabellum surface, just so when changing the dust on flabellum or clearance flabellum surface waste time and energy more, influence work efficiency.
Therefore, the utility model provides a change utmost point multispeed three-phase asynchronous motor to solve the problem that proposes among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a change the multispeed three-phase asynchronous motor of utmost point to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a variable-pole multi-speed three-phase asynchronous motor comprises a motor shell, wherein a stator is fixedly installed in the motor shell, a rotor is arranged in the stator in a rotating mode, a rotating shaft is fixedly connected in the rotor, and fan blades are fixedly connected to the rear end of the rotating shaft; a second end cover is fixedly installed at the rear end of the motor shell, a second fixing lug is fixedly connected to the circumferential surface of the second end cover, a bolt is connected to the second fixing lug in an internal thread mode, a first fixing lug is connected to the circumferential surface of the bolt in a threaded mode, and the first fixing lug is fixedly connected with the motor shell; the spacing groove has been seted up to the second end lid periphery, the draw-in groove has been seted up to the terminal surface before the spacing groove, the groove has been seted up to spacing groove rear end face and has been accomodate the groove, accomodate inslot fixedly connected with spring, spring front end fixedly connected with dog, sliding connection has the kelly in the draw-in groove, the rear end fixedly connected with safety cover of kelly, safety cover periphery fixedly connected with handle.
As a further aspect of the present invention: the motor casing periphery fixedly connected with fin, fin evenly distributed is in motor casing a week, and the motor is carrying out the during operation like this, and the heat that the motor produced partly outwards distributes away from the fin to reach the mesh of cooling to the motor, make motor life increase.
As a further aspect of the present invention: motor housing fixedly connected with connecting terminal, connecting terminal side fixedly connected with inlet wire section of thick bamboo like this at the during operation, through passing the inlet wire section of thick bamboo with external electric wire, then connect on connecting terminal, just so can make the motor circular telegram.
As a further aspect of the present invention: the motor casing periphery fixedly connected with base, the mounting hole has been seted up to the base up end, and at this moment can reach the fixed of motor under the effect of base through passing the mounting hole with fixing stud like this at during operation.
As a further aspect of the present invention: first end cover is installed to the motor housing front end, first end cover passes through bolt, the fixed ear of first fixed ear and second and motor housing fixed connection, and at the during operation like this, through rotating the bolt, can be to the fixed of first end cover under the fixed ear effect of first fixed ear and second at this moment.
As a further aspect of the present invention: certain inclined plane has been seted up to the contact surface of dog and kelly, like this at the during operation, when kelly and dog contact, at this moment can make the dog move to accomodating the inslot under the effect on inclined plane, when the kelly enters into the draw-in groove, at this moment just can make the kelly card enter the draw-in groove under the effect of spring to reach the fixed to the safety cover.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
through at the second end cover, the handle, the spacing groove, the draw-in groove, accomodate the groove, a spring, the dog, the kelly, under the cooperation of safety cover and kelly, through pulling the handle backward, at this moment, the dog is being extruded and is getting into and accomodate the inslot, when the kelly breaks away from the draw-in groove, at this moment, rotate the handle, make the kelly enter into the spacing groove, then outwards pull out from the spacing inslot, just so reached the dismantlement to the safety cover, the problem that the tradition is more complicated when dismantling the safety cover has been solved, great improvement work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a top view of a partial section of the present invention;
fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention;
fig. 4 is the structure diagram of the utility model discloses in carrying out the split with the safety cover.
In the figure: 1-motor shell, 2-connecting terminal, 3-wire inlet cylinder, 4-radiating fin, 5-first end cover, 6-rotating shaft, 7-bolt, 8-first fixing lug, 9-second fixing lug, 10-base, 11-mounting hole, 12-second end cover, 13-handle, 14-limiting groove, 15-protective cover, 16-clamping rod, 17-stator, 18-rotor, 19-clamping groove, 20-stop block, 21-accommodating groove, 22-spring and 23-fan blade.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a variable-pole multi-speed three-phase asynchronous motor includes a motor housing 1, a stator 17 is fixedly installed in the motor housing 1, a rotor 18 is rotatably installed in the stator 17, a rotating shaft 6 is fixedly connected in the rotor 18, and a fan blade 23 is fixedly connected to a rear end of the rotating shaft 6; a second end cover 12 is fixedly installed at the rear end of the motor shell 1, a second fixing lug 9 is fixedly connected with the circumferential surface of the second end cover 12, a bolt 7 is connected with the second fixing lug 9 in an internal thread manner, a first fixing lug 8 is connected with the circumferential surface of the bolt 7 in a threaded manner, and the first fixing lug 8 is fixedly connected with the motor shell 1; the limiting groove 14 has been seted up to second end cover 12 periphery, and draw-in groove 19 has been seted up to the terminal surface before the limiting groove 14, and the groove 21 has been seted up to the terminal surface behind the limiting groove 14, accomodates the inslot 21 fixedly connected with spring 22, and spring 22 front end fixedly connected with dog 20, sliding connection has kelly 16 in the draw-in groove 19, and the rear end fixedly connected with safety cover 15 of kelly 16, 15 periphery fixedly connected with handles 13 of safety cover.
The cooling fin 4 is fixedly connected to the circumferential surface of the motor shell 1, and the cooling fin 4 is uniformly distributed on the motor shell 1 for a circle, so that when the motor works, a part of heat generated by the motor is radiated outwards from the cooling fin 4, the purpose of cooling the motor is achieved, and the service life of the motor is prolonged; the motor shell 1 is fixedly connected with a connecting terminal 2, the side end of the connecting terminal 2 is fixedly connected with a wire inlet cylinder 3, and therefore when the motor works, an external wire penetrates through the wire inlet cylinder 3 and then is connected to the connecting terminal 2, and therefore the motor can be electrified; the circumferential surface of the motor shell 1 is fixedly connected with a base 10, and the upper end surface of the base 10 is provided with a mounting hole 11, so that when the motor works, a fixing stud penetrates through the mounting hole 11, and the motor can be fixed under the action of the base 10; the front end of the motor shell 1 is provided with a first end cover 5, the first end cover 5 is fixedly connected with the motor shell 1 through a bolt 7, a first fixing lug 8 and a second fixing lug 9, and therefore when the motor works, the bolt 7 is rotated, and the first end cover 5 can be fixed under the action of the first fixing lug 8 and the second fixing lug 9; certain inclined plane has been seted up to the contact surface of dog 20 and kelly 16, and at the during operation like this, when kelly 16 and dog 20 contact, at this moment can make dog 20 remove to accomodating the groove 21 under the effect on inclined plane, when kelly 16 entered into draw-in groove 19, at this moment just can make kelly 16 block go into draw-in groove 19 under the effect of spring 22 in to reach the fixed to safety cover 15.
The utility model discloses a theory of operation is:
when the utility model is used, an external wire passes through the wire inlet cylinder 3 and then is connected to the connecting terminal 2, at the same time, the fixing stud passes through the mounting hole 11 and is installed at a required place, at the same time, the motor can be fixed under the action of the base 10 so as to facilitate the work of the motor, when the fan blade 23 is replaced, the handle 13 is pulled backwards, the protective cover 15 is driven to move backwards, the clamping rod 16 is driven to move backwards, the stop 20 is extruded to enter the storage groove 21 along with the backward movement of the clamping rod 16, when the clamping rod 16 is separated from the clamping groove 19 and enters the limiting groove 14, the handle 13 is rotated, the clamping rod 16 slides in the limiting groove 14, when the clamping rod 16 enters the horizontal groove of the limiting groove 14, the handle 13 is pulled outwards, so that the protective cover 15 is separated from the second end cover 12, thereby achieving the purpose of disassembling the protective cover 15 so as to replace the fan blades 23; when installing safety cover 15, at this moment with kelly 16 along spacing groove 14 move forward, when not moving, at this moment rotate handle 13, and then drive kelly 16 and remove, along with kelly 16 constantly contacts dog 20, at this moment can extrude dog 20 and remove to accomodating the groove 21, when kelly 16 entered into draw-in groove 19, at this moment make kelly 16 block into in the draw-in groove 19 under spring 22's effect, thereby reach and fix safety cover 15, just so reached the installation to safety cover 15.
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 (6)
1. A pole-changing multi-speed three-phase asynchronous motor comprising a motor housing (1), characterized in that: a stator (17) is fixedly installed in the motor shell (1), a rotor (18) is rotatably arranged in the stator (17), a rotating shaft (6) is fixedly connected in the rotor (18), and a fan blade (23) is fixedly connected to the rear end of the rotating shaft (6); a second end cover (12) is fixedly installed at the rear end of the motor shell (1), a second fixing lug (9) is fixedly connected to the circumferential surface of the second end cover (12), a bolt (7) is connected to the inner thread of the second fixing lug (9), a first fixing lug (8) is connected to the circumferential surface of the bolt (7) in a threaded manner, and the first fixing lug (8) is fixedly connected with the motor shell (1); spacing groove (14) have been seted up to second end cover (12) periphery, draw-in groove (19) have been seted up to the terminal surface before spacing groove (14), spacing groove (14) rear end face has been seted up and has been accomodate groove (21), accomodate fixedly connected with spring (22) in groove (21), spring (22) front end fixedly connected with dog (20), sliding connection has kelly (16) in draw-in groove (19), rear end fixedly connected with safety cover (15) of kelly (16), safety cover (15) periphery fixedly connected with handle (13).
2. A pole-changing multi-speed three-phase asynchronous motor according to claim 1, wherein: the motor is characterized in that radiating fins (4) are fixedly connected to the circumferential surface of the motor shell (1), and the radiating fins (4) are uniformly distributed on the circumference of the motor shell (1).
3. A pole-changing multi-speed three-phase asynchronous motor according to claim 1, wherein: motor housing (1) fixedly connected with connecting terminal (2), connecting terminal (2) side fixedly connected with inlet wire section of thick bamboo (3).
4. A pole-changing multi-speed three-phase asynchronous motor according to claim 1, wherein: the motor is characterized in that a base (10) is fixedly connected to the circumferential surface of the motor shell (1), and a mounting hole (11) is formed in the upper end surface of the base (10).
5. A pole-changing multi-speed three-phase asynchronous motor according to claim 1, wherein: first end cover (5) are installed to motor housing (1) front end, first end cover (5) are through bolt (7), first fixed ear (8) and the fixed ear of second (9) and motor housing (1) fixed connection.
6. A pole-changing multi-speed three-phase asynchronous motor according to claim 1, wherein: the contact surface of the stop block (20) and the clamping rod (16) is provided with a certain inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120393713.4U CN214256042U (en) | 2021-02-22 | 2021-02-22 | Pole-changing multi-speed three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120393713.4U CN214256042U (en) | 2021-02-22 | 2021-02-22 | Pole-changing multi-speed three-phase asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN214256042U true CN214256042U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120393713.4U Active CN214256042U (en) | 2021-02-22 | 2021-02-22 | Pole-changing multi-speed three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117118137A (en) * | 2023-09-01 | 2023-11-24 | 上海大学 | Axial magnetic flux three-phase asynchronous motor for vehicle |
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2021
- 2021-02-22 CN CN202120393713.4U patent/CN214256042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117118137A (en) * | 2023-09-01 | 2023-11-24 | 上海大学 | Axial magnetic flux three-phase asynchronous motor for vehicle |
| CN117118137B (en) * | 2023-09-01 | 2024-02-20 | 上海大学 | Axial magnetic flux three-phase asynchronous motor for vehicle |
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