CN216216226U

CN216216226U - Brushless motor without iron core

Info

Publication number: CN216216226U
Application number: CN202122762186.2U
Authority: CN
Inventors: 谭智维
Original assignee: Shenzhen Chaochaowang Technology Co ltd
Current assignee: Shenzhen Chaochaowang Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-05
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of brushless motors and discloses a coreless brushless motor, wherein a rotor is arranged on the left side of a motor body, an installation plate is fixedly connected to the left side of the motor body, a connection plate is fixedly connected to the left side of the motor body, a protection mechanism is arranged on the left side of the connection plate and comprises a first semicircular ring and a second semicircular ring, and semicircular grooves are formed in the inner side walls of the first semicircular ring and the second semicircular ring. This no iron core brushless motor, through the connecting plate, first semicircle ring, the second semicircle ring, guard flap, the half slot, the dirt proof ring, T type spout, T type traveller, the connecting strip, mutually support between connecting hole and the bolt, and then can fix protection machanism in the left side of connecting plate, and cup joint protection machanism on the side surface of rotor, thereby can will reduce the inside that the dust enters into motor body from the rotor surface, dustproof effect has been improved, and the device's life is increased.

Description

Brushless motor without iron core

Technical Field

The utility model relates to the technical field of brushless motors, in particular to a coreless brushless motor.

Background

The brushless direct current motor consists of a motor main body and a driver, is a typical electromechanical integration product, and does not need to be additionally provided with a starting winding on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, or generate oscillation and step loss when the load suddenly changes because the brushless direct current motor runs in an automatic control mode; however, when the existing brushless motor is used, dust is easily attached to the surface of the rotor, and the rotor rotates, so that the dust easily enters the joint of the rotor and the motor, and further the use effect of internal elements of the motor is affected, and the joint of the rotor and the motor is not easily cleaned, so that the dust is not easily cleaned, the rotation effect of the rotor is reduced, and therefore the problem needs to be solved by providing the brushless motor without the iron core.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the brushless motor without the iron core, which has the advantages of reducing dust entering the interior of the motor, simultaneously being capable of disassembling and cleaning the protection mechanism, reducing the dust in the interior, prolonging the service life of the device and the like, and solves the problems that the dust easily enters the joint of the rotor and the motor, further the use effect of internal elements of the motor is influenced, the joint of the rotor and the motor is not easy to clean, the dust is not easy to clean, and the rotation effect of the rotor is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a no iron core brushless motor, includes motor body, motor body's left side is provided with the rotor, motor body's left side fixedly connected with mounting panel, motor body's left side fixedly connected with connecting plate, the left side of connecting plate is provided with protection machanism, protection machanism includes first semicircle ring and second semicircle ring, the half slot, two have all been seted up to the inside wall of first semicircle ring and second semicircle ring the inside of half slot is provided with the dirt ring, two T type spouts have been seted up in the left side of connecting plate, the equal fixedly connected with T type traveller in right side of first semicircle ring and second semicircle ring, the equal fixedly connected with connecting strip of side surface of first semicircle ring and second semicircle ring, two the connecting strip passes through bolted connection.

Preferably, the jack has been seted up to the bottom of first semicircle ring, the top fixedly connected with inserted bar of second semicircle ring, first semicircle ring is located directly over the second semicircle ring, the mutual overlap joint of one side that first semicircle ring and second semicircle ring are relative, the inserted bar is pegged graft with the inside activity of jack to can connect first semicircle ring and second semicircle ring fixedly, prevent that the offset from appearing between first semicircle ring and the second semicircle ring and influence sealed effect.

Preferably, the connecting hole that runs through from top to bottom is seted up to the inside of connecting strip, the bolt is pegged graft with the inside activity of connecting hole, the side surface threaded connection of bolt has the nut, two the mutual overlap joint of one side that the connecting strip is relative, the nut with the bottom overlap joint of connecting strip below to through rotating the nut on the bolt, alright with the inside at the connecting hole with the bolt fastening, and can fix two connecting strips, prevent that it from taking place to remove.

Preferably, the circular slot that runs through about the inside of mounting panel is seted up, the inside at the mounting panel is fixed to the connecting plate, the inside fixed connection of connecting plate and circular slot, the movable hole that runs through about the inside of connecting plate is seted up, the inside swing joint of rotor and movable hole, the equal activity of first semicircle ring and second semicircle ring is cup jointed on the side surface of rotor, the dirt proof ring cup joints with the rotor activity, and then can protect the rotor through protection machanism, reduces the dust and enters into between rotor and the motor body for the rotor rotates more smoothly.

Preferably, the right sides of the first semicircular ring and the second semicircular ring are lapped with the left side of the connecting plate, the T-shaped sliding column is movably connected with the inside of the T-shaped sliding groove, so that the first semicircular ring and the second semicircular ring can be limited, the first semicircular ring and the second semicircular ring are prevented from moving left and right, and therefore the protection mechanism can be fixed on the left side of the connecting plate.

Preferably, the opposite sides of the first semicircular ring and the second semicircular ring are fixedly connected with protective baffles, and the positions of the protective baffles correspond to those of the T-shaped sliding grooves, so that the T-shaped sliding grooves can be shielded and sealed through the protective baffles, and dust can be prevented from entering the inside of the T-shaped sliding grooves.

Compared with the prior art, the utility model provides a coreless brushless motor, which has the following beneficial effects:

1. this no iron core brushless motor, through the connecting plate, first semicircle ring, the second semicircle ring, guard flap, the half slot, the dirt proof ring, T type spout, T type traveller, the connecting strip, mutually support between connecting hole and the bolt, and then can fix protection machanism in the left side of connecting plate, and cup joint protection machanism on the side surface of rotor, thereby can will reduce the inside that the dust enters into motor body from the rotor surface, dustproof effect has been improved, and the device's life is increased.

2. This no iron core brushless motor, through T type spout, T type traveller, the connecting strip, mutually support between connecting hole and the bolt, thereby can rotate the bolt from the inside of connecting hole out, make first semicircle ring and second semicircle ring can separate, then reciprocate first semicircle ring and second semicircle ring respectively, thereby can get out the clearance with the dirt ring of inside or change, and rotate it after removing the certain distance, thereby realize clearing up the inside of first semicircle ring and second semicircle ring, avoid the dust to pile up.

Drawings

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

FIG. 2 is a front sectional view of the dust-proof mechanism and the connecting plate according to the present invention;

FIG. 3 is a front sectional view of the dustproof mechanism of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention.

Wherein: 1. a motor body; 2. a rotor; 3. mounting a plate; 4. a connecting plate; 5. a first semicircular ring; 6. a second semi-circular ring; 7. a protective baffle; 8. a semicircular groove; 9. a dust ring; 10. a T-shaped chute; 11. a T-shaped strut; 12. a connecting strip; 13. connecting holes; 14. a bolt; 15. a jack; 16. and (4) inserting the rod.

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. 1-5, a brushless motor without iron core comprises a motor body 1, a rotor 2 is disposed on the left side of the motor body 1, the rotor 2 can be driven to rotate by the operation of the motor body 1, a mounting plate 3 is fixedly connected to the left side of the motor body 1, the brushless motor can be mounted and fixed by the mounting plate 3, a connecting plate 4 is fixedly connected to the left side of the motor body 1, a protection mechanism is disposed on the left side of the connecting plate 4, the protection mechanism comprises a first semicircular ring 5 and a second semicircular ring 6, the first semicircular ring 5 and the second semicircular ring 6 have the same shape and size, the inner diameters of the first semicircular ring 5 and the second semicircular ring 6 are matched with the diameter of the rotor 2, a circular groove penetrating left and right is disposed inside the mounting plate 3, the connecting plate 4 is fixed inside the mounting plate 3, the connecting plate 4 is fixedly connected with the inside of the circular groove, a movable hole penetrating left and right is disposed inside the connecting plate 4, the rotor 2 is movably connected with the inside of the movable hole, so that the rotor 2 can rotate in the movable hole, the first semicircular ring 5 and the second semicircular ring 6 are movably sleeved on the side surface of the rotor 2, the dustproof ring 9 is movably sleeved with the rotor 2, the dustproof effect can be achieved on the rotor 2 through the dustproof ring 9, the inner side walls of the first semicircular ring 5 and the second semicircular ring 6 are respectively provided with a semicircular groove 8, the semicircular grooves 8 on the first semicircular ring 5 and the second semicircular ring 6 can form a whole circular groove, the dustproof ring 9 is mutually matched with the inside of the whole circular groove, the dustproof rings 9 are arranged in the two semicircular grooves 8, the left side of the connecting plate 4 is provided with two T-shaped sliding grooves 10, the two T-shaped sliding grooves 10 are vertically symmetrical about the central axis of the rotor 2, the opposite sides of the first semicircular ring 5 and the second semicircular ring 6 are fixedly connected with the protective baffles 7, the two protective baffles 7 are vertically symmetrical about the central axis of the rotor 2, the protective baffle 7 corresponds to the T-shaped chute 10, and further the notch of the T-shaped chute 10 can be shielded and sealed by the protective baffle 7 to prevent external dust from entering the T-shaped chute 10, the right sides of the first semicircular ring 5 and the second semicircular ring 6 are fixedly connected with a T-shaped sliding column 11, the T-shaped sliding column 11 can be seen as being formed by two cylinders with different diameters, the right sides of the first semicircular ring 5 and the second semicircular ring 6 are lapped with the left side of the connecting plate 4, thereby preventing external dust from entering from the contact surfaces of the first semi-circular ring 5, the second semi-circular ring 6 and the connecting plate 4, the T-shaped sliding column 11 is movably connected with the inside of the T-shaped sliding chute 10, and the T-shaped sliding column 11 can rotate in the T-shaped sliding chute 10, the bottom of the upper T-shaped sliding column 11 is overlapped with the inner bottom wall of the upper T-shaped sliding chute 10, and the top of the lower T-shaped sliding column 11 is overlapped with the inner top wall of the lower T-shaped sliding chute 10.

The side surfaces of the first semicircular ring 5 and the second semicircular ring 6 are fixedly connected with connecting strips 12, the front side and the rear side of the first semicircular ring 5 and the second semicircular ring 6 are fixedly connected with connecting strips 12, the two connecting strips 12 are connected through bolts 14, the number of the bolts 14 is four, the two connecting strips 12 need to be connected and fixed through the two bolts 14, the connecting strips 12 are internally provided with connecting holes 13 which penetrate up and down, the bolts 14 are movably inserted into the connecting holes 13, the side surfaces of the bolts 14 are in threaded connection with nuts, the nuts can be rotated onto the side surfaces of the bolts 14 from the inside of the bolts 14 through the mutual matching of the nuts and the bolts 14, the opposite sides of the two connecting strips 12 are mutually overlapped, the nuts are overlapped with the bottoms of the connecting strips 12 below, and the bolts 14 can be fixed inside the two adjacent connecting strips 12 by rotating the nuts, and the two connecting strips 12 are fixed, the first semicircular ring 5 and the second semicircular ring 6 are fixed, the distance between the two T-shaped sliding columns 11 can be limited, the two T-shaped sliding columns 11 are prevented from moving in the two T-shaped sliding grooves 10 respectively, so that the first semicircular ring 5 and the second semicircular ring 6 can be fixed on the left side of the connecting plate 4, the bottom of the first semicircular ring 5 is provided with a jack 15, the top of the second semicircular ring 6 is fixedly connected with an inserted bar 16, the number of the jacks 15 is the same as that of the inserted bars 16, the first semicircular ring 5 is positioned right above the second semicircular ring 6, the opposite sides of the first semicircular ring 5 and the second semicircular ring 6 are mutually overlapped, the inserted bars 16 are movably inserted in the jacks 15, the connecting effect between the first semicircular ring 5 and the second semicircular ring 6 can be improved, and the position between the first semicircular ring 5 and the second semicircular ring 6 is prevented from being deviated, thereby improving the sealing effect between the two and reducing the dust entering.

When the dustproof structure is used, the protection mechanism is required to be fixed on the left side of the connecting plate 4, the dustproof ring 9 is firstly sleeved on the side surface of the rotor 2, the dustproof ring 9 is moved, the dustproof ring 9 is positioned in the protection mechanism, then the first semicircular ring 5 and the second semicircular ring 6 are moved up and down, one opposite sides of the first semicircular ring 5 and the second semicircular ring 6 are mutually overlapped, the dustproof ring 9 is positioned in the semicircular groove 8 on the inner side wall of the first semicircular ring 5 and the second semicircular ring 6, the dustproof ring 9 can be limited and fixed, the dustproof ring 9 is prevented from moving, the inserting rod 16 is movably inserted into the insertion hole 15, the bolt 14 is placed into the connecting hole 13, the nut is in threaded connection with the bottom end of the bolt 14 and is rotated, so that the dustproof ring can rotate on the side surface of the bolt 14 and move upwards, the top of the nut is lapped with the bottom of the lower connecting strip 12, so that the bolt 14 can be fixed inside the two connecting holes 13, the two adjacent connecting strips 12 are fixed with each other, the first semicircular ring 5 and the second semicircular ring 6 can be fixed, the distance between the T-shaped sliding column 11 on the right side of the first semicircular ring 5 and the T-shaped sliding column 11 on the right side of the second semicircular ring 6 can be limited, the bottom of the upper T-shaped sliding column 11 is lapped with the inner bottom wall of the upper T-shaped sliding groove 10, the top of the lower T-shaped sliding column 11 is lapped with the inner top wall of the lower T-shaped sliding groove 10, the T-shaped sliding column 11 can be prevented from sliding up and down inside the T-shaped sliding groove 10, the first semicircular ring 5 and the second semicircular ring 6 can be fixed, so that the protection mechanism can be fixed on the left side of the connecting plate 4, and the dustproof operation of the rotor 2 can be realized, dust is reduced from entering the interior of the motor body 1.

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. A coreless brushless motor includes a motor body (1), characterized in that: the motor is characterized in that a rotor (2) is arranged on the left side of the motor body (1), a mounting plate (3) is fixedly connected on the left side of the motor body (1), a connecting plate (4) is fixedly connected on the left side of the motor body (1), a protection mechanism is arranged on the left side of the connecting plate (4), the protection mechanism comprises a first semicircular ring (5) and a second semicircular ring (6), semicircular grooves (8) are formed in the inner side walls of the first semicircular ring (5) and the second semicircular ring (6), dustproof rings (9) are arranged inside the two semicircular grooves (8), two T-shaped sliding grooves (10) are formed in the left side of the connecting plate (4), T-shaped sliding columns (11) are fixedly connected on the right sides of the first semicircular ring (5) and the second semicircular ring (6), connecting strips (12) are fixedly connected on the side surfaces of the first semicircular ring (5) and the second semicircular ring (6), the two connecting strips (12) are connected by a bolt (14).

2. The ironless brushless electric machine of claim 1, wherein: jack (15) have been seted up to the bottom of first semicircle ring (5), top fixedly connected with inserted bar (16) of second semicircle ring (6), first semicircle ring (5) are located second semicircle ring (6) directly over, the mutual overlap joint of one side that first semicircle ring (5) and second semicircle ring (6) are relative, inserted bar (16) are pegged graft with the inside activity of jack (15).

3. The ironless brushless electric machine of claim 1, wherein: connecting hole (13) that run through from top to bottom are seted up to the inside of connecting strip (12), bolt (14) are pegged graft with the inside activity of connecting hole (13), the side surface threaded connection of bolt (14) has the nut, two the mutual overlap joint of one side that connecting strip (12) is relative, the nut is with the bottom overlap joint of following connecting strip (12).

4. The ironless brushless electric machine of claim 1, wherein: the inside of mounting panel (3) is seted up and is controlled the circular slot that runs through, the inside at mounting panel (3) is fixed in connecting plate (4), the inside fixed connection of connecting plate (4) and circular slot, the inside of connecting plate (4) is seted up and is controlled the activity hole that runs through, the inside swing joint of rotor (2) and activity hole, first semicircle ring (5) and second semicircle ring (6) equal activity cup joint on the side surface of rotor (2), dirt ring (9) cup joint with rotor (2) activity.

5. The ironless brushless electric machine of claim 1, wherein: the right sides of the first semicircular ring (5) and the second semicircular ring (6) are in lap joint with the left side of the connecting plate (4), and the T-shaped sliding column (11) is movably connected with the inside of the T-shaped sliding groove (10).

6. The ironless brushless electric machine of claim 1, wherein: the protection device is characterized in that one side of the first semicircular ring (5) opposite to one side of the second semicircular ring (6) is fixedly connected with a protection baffle (7), and the protection baffle (7) corresponds to the T-shaped sliding groove (10).