CN217769700U

CN217769700U - Hollow cup type motor with high energy efficiency

Info

Publication number: CN217769700U
Application number: CN202221359403.1U
Authority: CN
Inventors: 王鹤鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-08
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a hollow cup formula motor of high energy efficiency, which comprises a housin, the position circle, the bearing frame, the silicon steel sheet, the coil, the upper bearing, the lower bearing, the apparatus further comprises a rotating shaft, magnet and flabellum, the casing comprises shell and the inside inner shell that is located the shell, be equipped with the guide plate between shell and the inner shell, the inside spacing piece that is equipped with of inner shell, shell below installation position circle, the inboard fixed connection bearing frame of position circle, be favorable to fixing the position of bearing frame, and the silicon steel sheet is compressed tightly and assembles the silicon steel sheet convenience between last spacing piece and lower spacing piece, the silicon steel sheet can effectively reduce the magnetic field and leak, reduce coil copper loss, improve the efficiency, and the pivot penetrates the upper bearing, in the lower bearing, the pivot both ends are all supported by the bearing, the atress is more balanced in the rotation, guarantee the concentricity, can effectively improve bearing life.

Description

Hollow cup type motor with high energy efficiency

Technical Field

The utility model relates to the field of motors, concretely relates to hollow cup formula motor of high energy efficiency.

Background

The coreless motor belongs to a direct-current permanent magnet servo and control motor, has the outstanding energy-saving characteristic, sensitive and convenient control characteristic and stable operation characteristic, has obvious technical advancement, but finds that the prior coreless motor has the following defects in use: firstly, the magnetic field leaks, and the efficiency remains to be further improved, and secondly only suit a bearing in the pivot outside causes the atress uneven, easily causes the rotational noise.

SUMMERY OF THE UTILITY MODEL

There are above-mentioned defects to prior art, the utility model provides a hollow cup formula motor of high energy efficiency, concrete technical scheme is as follows:

the utility model provides a hollow cup type motor of high energy efficiency, which comprises a housin, the position circle, the bearing frame, silicon steel sheet, the coil, the upper bearing, lower bearing, the apparatus further comprises a rotating shaft, magnet and flabellum, the casing comprises shell and the inner shell that is located the shell inside, be equipped with the guide plate between shell and the inner shell, the inside stopper piece that is equipped with of inner shell, shell below installation position circle, the inboard fixed connection bearing frame of position circle, the bearing frame surface is equipped with down the stopper, silicon steel sheet is compressed tightly between last stopper and lower stopper, the upper bearing is installed to inner shell center department, bearing frame center department installation lower bearing, the inside installation coil of silicon steel sheet, the coil is located between upper bearing and the lower bearing, the pivot penetrates the upper bearing, in the lower bearing, pivot middle part fixed mounting magnet, magnet is located the coil inboard, the pivot upper end is worn out from the inner shell and is connected the flabellum, the flabellum is located the guide plate top.

As a preferred scheme of the utility model, the spacer ring is inboard through rib fixed connection bearing frame, and the rib has many to arrange around spacer ring center pin circumference.

As a preferred scheme of the utility model, the position circle outside is equipped with the constant head tank, and the shell below is equipped with the reference column with constant head tank matched with.

As an optimized proposal of the utility model, the outer sides of the upper bearing and the lower bearing are respectively sleeved with a soft rubber cushion pad.

As a preferred scheme of the utility model, the inner shell is equipped with the upper bearing groove that is used for installing the upper bearing, and a plurality of spacing pieces of going up are around upper bearing groove circumference range, and the bearing frame is equipped with the lower bearing groove that is used for installing lower bearing, and a plurality of spacing pieces of going down are around bearing groove circumference range down.

As the utility model discloses an optimal scheme, during the inner shell was inserted to silicon steel sheet upper end, the bearing frame periphery was equipped with the arc cardboard, and the silicon steel sheet lower extreme is blocked to the arc cardboard.

As a preferred scheme of the utility model, the inner shell is equipped with a plurality of louvres, and the louvre centers on the inner shell circumference range.

Has the beneficial effects that: the shell below installation position circle, the inboard fixed connection bearing frame of position circle is favorable to the position of fixed good bearing frame, and the silicon steel sheet is compressed tightly and is assembled the silicon steel sheet convenience between last stopper and lower stopper, and the silicon steel sheet can effectively reduce the magnetic field and leak, reduces the coil copper and decreases, improves the efficiency, and in the pivot penetrated upper bearing, the lower bearing, the pivot both ends were all supported by the bearing, and the atress is more balanced in the rotation, guarantees the concentricity, can effectively improve the bearing life-span.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a perspective view of the housing of the present invention;

fig. 5 is a perspective view of the positioning ring of the present invention;

fig. 6 is a perspective view of the positioning ring of the present invention from another perspective.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 6, a high-energy-efficiency hollow cup type motor includes a housing 1, a positioning ring 2, a bearing seat 3, silicon steel sheets 4, a coil 5, an upper bearing 6, a lower bearing 7, a rotating shaft 8, a magnet 9 and fan blades 10, wherein the housing 1 is composed of an outer shell 11 and an inner shell 12 located inside the outer shell 11, a guide plate 12a is arranged between the outer shell 11 and the inner shell 12, a plurality of guide plates 12a are arranged, an upper limit block 13 is arranged inside the inner shell 12, the positioning ring 2 is installed below the outer shell 11, the inner side of the positioning ring 2 is fixedly connected with the bearing seat 3, a lower limit block 31 is arranged on the surface of the bearing seat 3, the silicon steel sheets 4 are compressed between the upper limit block 13 and the lower limit block 31, the upper bearing 6 is installed at the center of the inner shell 12, the lower bearing 7 is installed at the center of the bearing seat 3, the coil 5 is installed inside the silicon steel sheets 4, the silicon steel sheets 4 are composed of a plurality of stacked layers, the silicon steel sheets 4 can effectively reduce leakage of magnetic field, copper loss of the coil and improve energy efficiency, the coil 5 is located between the upper bearing 6 and the lower bearing 7, the upper bearing 8 penetrates into the rotating shaft 8, the magnet 9, the middle of the inner shell and penetrates out of the inner shell 12, and is connected with the fan blades 10.

Specifically, 2 inboards of position circle are through rib 21 fixed connection bearing 3, and rib 21 has many to arrange around 2 center pin circumferences of position circle, has 3 in this embodiment, and 2 outsides of position circle are equipped with constant head tank 22, and the shell 11 below is equipped with and constant head tank 22 matched with reference column 14, and reference column 14 is preferred to have 3, installs in shell 11 bottom through reference column 14 interference insertion constant head tank 22 in position circle 2.

Specifically, the outer sides of the upper bearing 6 and the lower bearing 7 are respectively sleeved with a soft rubber buffer cushion 17, the soft rubber buffer cushion 17 has a buffering effect, the soft rubber buffer cushion 17 can reduce vibration noise during rotation, and eccentricity of the two bearings is improved.

Specifically, the inner housing 12 is provided with an upper bearing groove 16 for mounting the upper bearing 6, a plurality of upper restricting blocks 13 are circumferentially arranged around the upper bearing groove 16, the bearing housing 3 is provided with a lower bearing groove 32 for mounting the lower bearing 7, and a plurality of lower restricting blocks 31 are circumferentially arranged around the lower bearing groove 32.

Specifically, 4 upper ends of silicon steel sheet insert in the inner shell 12, the 3 peripheries of bearing frame are equipped with arc cardboard 33, arc cardboard 33 has 3, 4 lower extremes of silicon steel sheet are blocked to arc cardboard 33 to better fixed silicon steel sheet 4's position, and the inner shell is equipped with a plurality of louvres 18, louvre 18 is around the circumference range of inner shell 12, the motor still includes wiring board 20, pass through screw installation wiring board 20 below the bearing frame, coil pin electricity connects wiring board 20.

The above description is provided for the purpose of illustrating the present invention in more detail with reference to the preferred embodiments, and it should not be understood that the present invention is limited to the illustrated embodiments, and those skilled in the art can make various changes and substitutions without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a hollow cup formula motor of high energy efficiency which characterized in that: the novel magnetic bearing comprises a housin, the position circle, the bearing frame, the silicon steel sheet, the coil, the upper bearing, the lower bearing, the apparatus further comprises a rotating shaft, magnet and flabellum, the casing comprises shell and the inner shell that is located the shell inside, be equipped with the guide plate between shell and the inner shell, the inside spacing piece that is equipped with of inner shell, shell below installation position circle, the inboard fixed connection bearing frame of position circle, the bearing frame surface is equipped with down the spacing piece, the silicon steel sheet is compressed tightly between last spacing piece and the lower spacing piece, the upper bearing is located to install at inner shell center department, bearing frame center department installs the lower bearing, silicon steel sheet inside installation coil, the coil is located between upper bearing and the lower bearing, the pivot penetrates the upper bearing, in the lower bearing, pivot middle part fixed mounting magnet, magnet is located the coil inboardly, the pivot upper end is worn out from the inner shell and is connected the flabellum, the flabellum is located the guide plate top.

2. An energy efficient coreless motor as recited in claim 1, wherein: the inner side of the positioning ring is fixedly connected with the bearing seat through a rib, and a plurality of ribs are arranged around the circumference of the central shaft of the positioning ring.

3. An energy efficient coreless motor as recited in claim 1, wherein: the locating ring outside is equipped with the constant head tank, and the shell below is equipped with the reference column with constant head tank matched with.

4. An energy efficient coreless motor as recited in claim 1, wherein: the outer sides of the upper bearing and the lower bearing are respectively sleeved with a soft rubber buffer pad.

5. An energy efficient coreless motor as in claim 1, wherein: the inner shell is provided with an upper bearing groove for mounting an upper bearing, the upper limiting blocks are arranged around the circumference of the upper bearing groove, the bearing seat is provided with a lower bearing groove for mounting a lower bearing, and the lower limiting blocks are arranged around the circumference of the lower bearing groove.

6. An energy efficient coreless motor as recited in claim 1, wherein: the upper end of the silicon steel sheet is inserted into the inner shell, the periphery of the bearing seat is provided with an arc-shaped clamping plate, and the lower end of the silicon steel sheet is clamped by the arc-shaped clamping plate.

7. An energy efficient coreless motor as recited in claim 1, wherein: the inner shell is provided with a plurality of heat dissipation holes which are arranged around the circumference of the inner shell.