CN213125769U

CN213125769U - Hollow cup brushless motor

Info

Publication number: CN213125769U
Application number: CN202021803001.7U
Authority: CN
Inventors: 赵小平
Original assignee: Chengdu Jihe Industry Technology Co ltd
Current assignee: Chengdu Jihe Industry Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-04
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a coreless brushless motor, which comprises a concave plate, wherein a cooling mechanism is arranged on the right side of the concave plate; the cooling mechanism comprises a motor, a cooling ring, a cooling liquid tank, a curved pipe, a micro liquid pump and a connecting pipe; the cooling device comprises a concave plate, a cooling liquid box, a miniature liquid pump, a concave plate, a connecting pipe and a cooling ring, wherein the left side of the concave plate is connected with the cooling liquid box through bolts, the upper side and the lower side of the cooling liquid box are both communicated with one end of the curved pipe, the other end of the curved pipe penetrates through the concave plate and is communicated with the miniature liquid pump, one end of the miniature liquid pump is fixedly connected with the concave plate, the right side of the miniature liquid pump is communicated with one end of the. The utility model discloses a miniature liquid pump on the bent pipe and the cooling ring on the connecting pipe not only can utilize bent pipe, connecting pipe and cooling ring, cool down to the motor shaft, moreover because bent pipe and motor laminating can also cool down the motor, are favorable to more practical use coreless brushless motor.

Description

Hollow cup brushless motor

Technical Field

The utility model relates to a coreless brushless motor technical field specifically is coreless brushless motor.

Background

The hollow cup motor belongs to a direct current permanent magnet servo and control motor, and can also be classified as a micro special motor. The hollow cup motor has the advantages of outstanding energy-saving characteristic, sensitive and convenient control characteristic and stable operation characteristic, and the technical advancement is very obvious. As a high-efficiency energy conversion device, a development direction of a motor is represented in many fields. The coreless motor is divided into a brush type coreless motor rotor and a brushless coreless motor stator, and the brushless coreless motor rotor and the brushless coreless motor stator are iron-core-free.

Patent No. CN201922084657.1 discloses a high leakproofness coreless brushless motor, including fastening nut seat, the gasket, sealed lasso, connecting screw, the mounting groove, sealed lid, bearing and axle are with sealing ring, annular side left side has clamped sealed lasso in the first seal receptacle, the laminating of first seal receptacle right-hand member face bilateral symmetry has the gasket, the laminating of gasket right-hand member face has fastening nut seat, annular side meshing has connecting screw in the fastening nut seat, annular side left side has clamped the bearing in the sealed lid, annular side right side has clamped axle and has used sealing ring in the sealed lid, original coreless brushless motor leakproofness has been solved to this design, the problem that life is low, the utility model discloses rational in infrastructure, improved coreless brushless motor leakproofness, the dismouting of being convenient for, use cost is low.

Currently, the existing coreless brushless motors have some disadvantages, for example; the existing hollow cup brushless motor can generate heat when rotating, and when the hollow cup brushless motor is overheated, the hollow cup brushless motor is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coreless brushless motor has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the hollow cup brushless motor comprises a concave plate, wherein a cooling mechanism is arranged on the right side of the concave plate;

the cooling mechanism comprises a motor, a cooling ring, a cooling liquid tank, a curved pipe, a micro liquid pump and a connecting pipe; the left side of the concave plate is connected with a cooling liquid tank through a bolt, the upper side and the lower side of the cooling liquid tank are both communicated with one end of a curved pipe, the other end of the curved pipe penetrates through the concave plate and is communicated with a miniature liquid pump, one end of the miniature liquid pump is fixedly connected with a concave plate, the right side of the miniature liquid pump is communicated with one end of a connecting pipe, and the other end of the connecting pipe penetrates through the concave plate and is communicated with a cooling ring;

the middle of the right side of the concave plate is connected with a motor through a bolt, and the upper side and the lower side of the motor are both attached with a curved pipe.

As a preferred embodiment of the present invention, the cooling ring has a cavity inside, and the inner wall of the cooling ring is bonded with a graphite heat-conducting ring.

As a preferred embodiment of the present invention, the motor right side is rotatably connected with the motor shaft, and the cooling ring is passed on the motor shaft right side.

As a preferred embodiment of the utility model, concave plate, curved pipe, coolant liquid case, connecting pipe and cooling ring are the stainless metal material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a miniature liquid pump on the bent pipe and the cooling ring on the connecting pipe not only can utilize bent pipe, connecting pipe and cooling ring, cool down to the motor shaft, moreover because bent pipe and motor laminating can also cool down the motor, are favorable to more practical use coreless brushless motor.

2. The utility model discloses an intra-annular graphite heat conduction ring of cooling ring can be provided with the graphite heat conduction ring inside the cooling ring, utilizes the heat on the graphite heat conduction ring conduction motor shaft, can make heat conduct to the cooling ring fast, utilizes the coolant liquid to take away the heat on the motor shaft, is favorable to more practical use coreless brushless motor.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the coreless brushless motor of the present invention;

fig. 2 is a view of the inside of the cooling ring of the coreless brushless motor of the present invention.

In the figure: 1, concave type board 2, motor 3, motor shaft 4, coolant liquid case 5, bent shape pipe 6, miniature liquid pump 7, connecting pipe 8, cooling ring 9, cavity 10, graphite heat-conducting ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the hollow cup brushless motor comprises a concave plate 1, wherein a cooling mechanism is arranged on the right side of the concave plate 1;

the cooling mechanism comprises a motor 2, a cooling ring 8, a cooling liquid tank 4, a curved pipe 5, a micro liquid pump 6 and a connecting pipe 7; the left side of the concave plate 1 is in bolted connection with a cooling liquid tank 4, the upper side and the lower side of the cooling liquid tank 4 are both communicated with one end of a curved pipe 5, the other end of the curved pipe 5 penetrates through the concave plate 1 and is communicated with a micro liquid pump 6, one end of the micro liquid pump 6 is fixedly connected with the concave plate 1, the right side of the micro liquid pump 6 is communicated with one end of a connecting pipe 7, and the other end of the connecting pipe 7 penetrates through the concave plate 1 and is communicated with a cooling ring 8;

the middle of the right side of the concave plate 1 is connected with a motor 2 through a bolt, and curved tubes 5 are attached to the upper side and the lower side of the motor 2.

Referring to fig. 1 in this embodiment, the micro-liquid pump 6 on the curved pipe 5 and the cooling ring 8 on the connecting pipe 7 can not only utilize the curved pipe 5, the connecting pipe 7 and the cooling ring 8 to cool the motor shaft 3, but also cool the motor 2 due to the fit of the curved pipe 5 and the motor 2, which is beneficial to the more practical use of the coreless brushless motor.

A cavity 9 is formed in the cooling ring 8, and a graphite heat-conducting ring 10 is bonded on the inner wall of the cooling ring 8.

Referring to fig. 1 in the embodiment, the graphite heat-conducting ring 10 may be disposed inside the cooling ring 8 through the graphite heat-conducting ring 10 in the cooling ring 8, and the graphite heat-conducting ring 10 conducts heat on the motor shaft 3, so that the heat can be quickly conducted to the cooling ring 8, and the heat on the motor shaft 3 is taken away by the cooling liquid, which is beneficial to more practical use of the coreless brushless motor.

The right side of the motor 2 is rotatably connected with a motor shaft 3, and the right side of the motor shaft 3 penetrates through a cooling ring 8.

The concave plate 1, the curved pipe 5, the cooling liquid box 4, the connecting pipe 7 and the cooling ring 8 are all made of stainless metal materials.

When coreless brushless motor uses, earlier with miniature liquid pump 6 and motor 2 and external power source electric connection, then with miniature liquid pump 6 and motor 2 and external control switch signal connection, through set up cooling ring 8 on miniature liquid pump 6 and connecting pipe 7 on bent shape pipe 5, not only can utilize bent venturi tube 5, connecting pipe 7 and cooling ring 8, lower the temperature to motor shaft 3, and because bent venturi tube 5 and the laminating of motor 2, can also lower the temperature to motor 2, through set up graphite heat conduction ring 10 in cooling ring 8, can be provided with graphite heat conduction ring 10 in cooling ring 8 inside, utilize heat on the heat conduction motor shaft 3 of graphite heat conduction ring 10, can make heat conduct to cooling ring 8 fast, utilize the coolant to take away the heat on the motor shaft 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Hollow cup brushless motor, including concave template (1), its characterized in that: a cooling mechanism is arranged on the right side of the concave plate (1);

the cooling mechanism comprises a motor (2), a cooling ring (8), a cooling liquid box (4), a curved pipe (5), a micro liquid pump (6) and a connecting pipe (7); the cooling device is characterized in that a cooling liquid box (4) is connected to the left side of the concave plate (1) through a bolt, the upper side and the lower side of the cooling liquid box (4) are both communicated with one end of a curved pipe (5), the other end of the curved pipe (5) penetrates through the concave plate (1) and is communicated with a micro liquid pump (6), one end of the micro liquid pump (6) is fixedly connected with the concave plate (1), the right side of the micro liquid pump (6) is communicated with one end of a connecting pipe (7), and the other end of the connecting pipe (7) penetrates through the concave plate (1) and is communicated with a cooling ring;

the middle of the right side of the concave plate (1) is connected with a motor (2) through a bolt, and the upper side and the lower side of the motor (2) are both attached with a curved pipe (5).

2. The coreless brushless motor of claim 1, wherein: a cavity (9) is formed in the cooling ring (8), and a graphite heat-conducting ring (10) is bonded on the inner wall of the cooling ring (8).

3. The coreless brushless motor of claim 1, wherein: the right side of the motor (2) is rotatably connected with a motor shaft (3), and the right side of the motor shaft (3) penetrates through a cooling ring (8).

4. The coreless brushless motor of claim 1, wherein: the concave plate (1), the curved pipe (5), the cooling liquid box (4), the connecting pipe (7) and the cooling ring (8) are all made of stainless metal materials.