CN220692925U - Shell for vertical outer rotor motor - Google Patents
Shell for vertical outer rotor motor Download PDFInfo
- Publication number
- CN220692925U CN220692925U CN202321454182.0U CN202321454182U CN220692925U CN 220692925 U CN220692925 U CN 220692925U CN 202321454182 U CN202321454182 U CN 202321454182U CN 220692925 U CN220692925 U CN 220692925U
- Authority
- CN
- China
- Prior art keywords
- top cover
- central shaft
- shell
- sleeve
- shaft unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a shell for a vertical outer rotor motor, which comprises a top cover; the top cover is arranged on the explosion-proof case through the mounting teeth; the inner part of the top cover extends downwards vertically to form a sleeve for mounting the central shaft unit; the shell is arranged below the top cover and rotates around the top cover, and an inner cavity for installing the stator and the rotor is formed inside the top cover and the shell after the top cover is covered; the top peripheral ring of the shell integrally extends to form a horizontally arranged fan blade mounting flange; the shell is inserted with a central shaft unit from bottom to top, and the top of the central shaft unit is hung and installed on the sleeve through an upper bearing. According to the utility model, the motor shell is integrally arranged on the explosion-proof chassis through the structure of the mounting teeth, and the top and the bottom of the central shaft are clamped and arranged in the sleeve through the upper bearing and the lower bearing respectively, so that the purposes of hanging the shell, the central shaft unit and other parts of the motor below the top cover and concentrating acting force on the upper bearing are achieved, and the purpose of vertically hanging the motor is achieved.
Description
Technical Field
The utility model relates to the field of external rotor motors, in particular to the technical field of vertical motors, and specifically relates to a shell for a vertical external rotor motor.
Background
The cooling fan is configured in the structure of the large windmill generator for the box type explosion-proof motor and used for cooling the box type explosion-proof motor, and the motor part of the cooling fan is hoisted on the top shell of the explosion-proof box and adopts a vertical motor structure.
Along with the continuous development of a power system, the traditional motor of the fan for cooling the chassis type explosion-proof motor has only imported goods, the internal structure of the imported goods is complex, the cost is high, and the vertical motor structure which can be localized and can ensure the strength is required to be developed.
Because the vertical motor fixing surface is at the top, the acting force which leads to the whole structure is concentrated on the top, the blades on the shell rotate, and the top is not moved, so that the inside between the top cover and the shell is easy to twist in the high-speed rotation process, the vertical motor fixing surface is not suitable for long-term use, and instability exists.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a housing for a vertical outer rotor motor, which is used for solving the difficulties of the prior art.
To achieve the above and other related objects, the present utility model provides a housing for a vertical outer rotor motor, comprising:
a top cover 1, wherein the top cover 1 is arranged into a dome-shaped structure, and the top part is closed to the bottom opening;
the mounting teeth 2 are arranged on the periphery of the top cover 1, and the top of the corresponding explosion-proof case is provided with the mounting teeth 2, and the top cover 1 is mounted on the explosion-proof case through the mounting teeth 2;
a sleeve 3, wherein the inner part of the top cover 1 extends downwards vertically to form the sleeve 3 for installing the central shaft unit 4, and the bottom is provided with an inserting hole of the central shaft unit 4;
a housing 5, wherein the housing 5 is installed below the top cover 1 and rotates around the top cover 1, and an inner cavity 6 for installing a stator and a rotor is formed inside the top cover 1 and the housing 5 after being covered;
the fan blade mounting flange 7 integrally extends on the periphery of the top of the shell 5 to form a horizontally arranged fan blade mounting flange 7;
the central shaft unit 4, the casing 5 is inserted from bottom to top and is equipped with central shaft unit 4, the central shaft unit 4 passes casing 5 bottom and stretches into in the sleeve 3, the top of central shaft unit 4 is hung through the upper bearing and is installed on sleeve 3.
According to the preferred scheme, the top cover 1 is arranged in a truncated cone-shaped structure, and the top of the shell of the top cover 1 is arranged horizontally.
According to a preferred scheme, the mounting teeth 2 are arranged at equal intervals along the circumferential annular shape of the top cover 1, and each mounting tooth 2 is provided with a top mounting hole 8.
According to the preferred solution, the top of the mounting tooth 2 is horizontal and the bottom is integrally arranged on the inclined plane through right triangle reinforcing ribs 9.
According to a preferred scheme, an upper bearing groove 10 and a lower bearing groove 11 for correspondingly installing an upper bearing and a lower bearing are respectively formed on the inner side surfaces of the top and the bottom of the sleeve 3, and the inner diameters of the upper bearing groove 10 and the lower bearing groove 11 are larger than the inner diameter of the installation central shaft unit 4;
according to a preferred embodiment, the sleeve 3 is arranged coaxially with the top cover 1.
According to a preferred embodiment, the bottom inner side of the housing 5 is provided with a raised support table 12 corresponding to the lower bearing groove 11.
According to a preferred embodiment, the outer diameter of the support table 12 is not greater than the inner diameter of the lower bearing groove 11.
According to a preferred scheme, the fan blade mounting flange 7 is provided with fan blade mounting holes 13, each fan blade mounting hole 13 is provided with a reinforcing block 14, and the bottom of each reinforcing block 14 is flush with the bottom of the fan blade mounting flange 7.
According to a preferred embodiment, a plurality of fan blade mounting holes 13 are annularly arranged at equal intervals along the fan blade mounting flange 7.
According to a preferred scheme, the bottom inner side surface of the top cover 1 and the top outer side surface of the shell 5 are both provided with steps, and a labyrinth type mechanical sealing structure 15 is correspondingly formed between the two.
According to a preferred embodiment, the central shaft unit 4 comprises:
a central shaft 41, wherein the central shaft 41 is inserted into the sleeve 3;
the connecting seat 42 is integrally arranged at the bottom of the central shaft 41 and inserted into the supporting seat 16, the connecting seat 42 is of an inverted T-shaped structure and comprises a horizontal end and a vertical end, and the horizontal end is arranged on the supporting seat 16 through a bolt;
a stabilizing plate 43, said stabilizing plate 43 being mounted on both the connection seat 42 and the bottom of the sleeve 3.
According to a preferred embodiment, the vertical end of the connecting seat 42 is arranged higher than the support seat 16.
According to the utility model, the motor shell is integrally arranged on the explosion-proof chassis through the structure of the mounting teeth, and the top and the bottom of the central shaft are clamped and arranged in the sleeve through the upper bearing and the lower bearing respectively, so that the purposes of hanging the shell, the central shaft unit and other parts of the motor below the top cover and concentrating acting force on the upper bearing are achieved, and the purpose of vertically hanging the motor is achieved.
Preferred embodiments for carrying out the present utility model will be described in more detail below with reference to the attached drawings so that the features and advantages of the present utility model can be easily understood.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 shows a front view of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an enlarged schematic view showing a three-dimensional structure of the top cover according to the present utility model;
FIG. 5 is an enlarged schematic view showing a three-dimensional structure of a housing according to the present utility model;
FIG. 6 is an enlarged view of another perspective of the housing according to the present utility model;
description of the reference numerals
1. A top cover; 2. mounting teeth; 3. a sleeve; 4. a central shaft unit 41, a central shaft 42, a connecting seat 43 and a stabilizing plate; 5. a housing; 6. an inner cavity; 7. a fan blade mounting flange; 8. a top mounting hole; 9. reinforcing ribs; 10. an upper bearing groove; 11. a lower bearing groove; 12. supporting the table top; 13. fan blade mounting holes; 14. a reinforcing block; 15. a labyrinth type mechanical seal structure; 16. and a supporting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the technical solutions of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present utility model. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Possible embodiments within the scope of the utility model may have fewer components, have other components not shown in the drawings, different components, differently arranged components or differently connected components, etc. than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The utility model provides a shell for a vertical outer rotor motor, which is used in a large windmill generator, and the type of a power generation windmill is not limited, but the structure of the shell for the vertical outer rotor motor is particularly suitable for being installed in an explosion-proof machine case.
In general, the shell for the vertical outer rotor motor mainly comprises a top cover 1, mounting teeth 2, a sleeve 3, a shell 5, a fan blade mounting flange 7 and a central shaft unit 4. Among these, reference can be made to fig. 1, which shows the arrangement of the top cover 1, mounting teeth 2, sleeve 3, housing 5, fan blade mounting flange 7, central shaft unit 4.
In order to realize the purpose of stable rotation at explosion-proof machine case, solve among the background art to because vertical motor stationary plane is at the top, just lead to overall structure's effort to all concentrate on the top, the blade on the casing is rotatory, and the top is motionless, therefore in the rotatory in-process of high speed, still can make the inside produce the twist easily between top cap and the casing, is not applicable to long-term use, has the problem of instability.
Therefore, in the technical scheme provided by this embodiment, as the structure of hoist and mount motor, this casing that motor was used includes top cap 1 and installs the casing 5 in the below of top cap 1, during the use, top cap 1 and explosion-proof motor box installation are motionless, casing 5 is rotatory around top cap 1 under electromagnetic drive, top cap 1 sets up dome-shaped structure, the top seals bottom opening, top cap 1 and casing 5 lid back, inside formation installation stator and rotor's inner chamber 6, and the integrative fan blade mounting flange 7 that forms the level setting that extends on the top periphery of casing 5, fan blade mounting hole 13 has been seted up on the fan blade mounting flange 7, it all is provided with reinforcing block 14 to correspond each fan blade mounting hole 13, the bottom of reinforcing block 14 flushes the setting with the bottom of fan blade mounting flange 7, through the installation fan blade that stabilizes under the flange circle.
Considering that top cap 1 is as the base that bears whole motor hoist and mount, top cap 1 adopts the structure setting of round platform form, it sets up to become the level at top of the casing of top cap 1, conveniently hug closely with the box medial surface and flush, guarantee to have sufficient area of contact, immediately, the top that corresponds explosion-proof machine case on top cap 1's periphery circle inclined plane is provided with mounting tooth 2, mounting tooth 2 is provided with a plurality ofly along top cap 1's circumference annular equidistant, the horizontal setting of same mounting tooth 2 top, the bottom is through right angled triangle's strengthening rib 9 an organic whole setting on the inclined plane, it is stable to have guaranteed that the connection between every mounting tooth 2 and the top cap 1 all presets on every mounting tooth 2 and installs top cap 1 on explosion-proof machine case.
As shown in fig. 2, 5 and 6, the bottom of the housing 5 is inserted with the central shaft unit 4 from bottom to top, the central shaft unit 4 penetrates through the bottom of the housing 5 and stretches into the sleeve 3, correspondingly, as shown in fig. 3 and 4, the inside of the top cover 1 vertically extends downwards to form the sleeve 3 for installing the central shaft unit 4, the bottom of the sleeve 3 is provided with an insertion hole of the central shaft unit 4, structurally, the top and the bottom of the central shaft 41 in the central shaft unit 4 are respectively clamped and installed on the sleeve 3 through an upper bearing and a lower bearing, and therefore, the purposes of hanging the housing 5, the central shaft unit 4 and other parts of the motor below the top cover 1, and concentrating acting forces on the upper bearing completely are achieved.
As described above, the sleeve 3 is internally provided with the bearing to prevent falling, and the installation limiting mechanism is provided, the top and bottom inner sides of the sleeve 3 are respectively provided with the upper bearing groove 10 and the lower bearing groove 11 for correspondingly installing the upper bearing and the lower bearing, and the inner diameters of the upper bearing groove 10 and the lower bearing groove 11 are larger than the inner diameter of the installation central shaft unit 4, so that the central shaft unit 4 installed with the upper bearing cannot fall due to the upper bearing being clamped in the upper bearing groove 10 with a large inner diameter, and the bearing area is large and the structural stability is strong.
Specifically, the structure of the central shaft unit 4 includes a central shaft 41 inserted into the sleeve 3, and a connecting seat 42 integrally provided at the bottom of the central shaft 41 and inserted into the supporting seat 16, in order to first fix the central shaft 41 to the bottom of the housing 5 through the connecting seat 42, the seat 42 is in an inverted T-shaped structure including a horizontal end and a vertical end, the horizontal end is mounted on the supporting seat 16 through bolts, while in order to prevent twisting of the central shaft unit 4 and the housing 5 with the top cover 1, a stabilizing plate 43 is simultaneously mounted on the bottoms of the connecting seat 42 and the sleeve 3, a fixing area of the bottom is increased to obtain sufficient strength of the bottom, and in addition, the vertical end of the connecting seat 42 is provided higher than the supporting seat 16, increasing the sufficient height of the bottom, thereby being beneficial to enhancing stability, and on this basis, the bottom inner side of the housing 5 is provided with a raised supporting table 12 corresponding to the lower bearing groove 11, since the outer diameter of the supporting table 12 is not greater than the inner diameter of the lower bearing groove 11, thus preventing the sleeve 3 from being mounted on the lower end of the sleeve 3 from being twisted due to rotation of the supporting table 12 during use, and the above-mentioned object is avoided.
Considering the clean degree of the stator and the rotor inside the top cover 1 and the shell 5 and avoiding impurity dust entering, the normal use of the motor is affected, the inner side surface of the bottom of the top cover 1 and the outer side surface of the top of the shell 5 are provided with steps, and the labyrinth type mechanical sealing structure 15 is correspondingly arranged between the inner side surface of the bottom of the top cover 1 and the outer side surface of the top of the shell 5, so that the sealing effect is achieved by utilizing the mechanical structure.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. A housing for a vertical external rotor motor, comprising:
a top cover (1), wherein the top cover (1) is arranged into a dome-shaped structure, and the top part is closed to the bottom opening;
the mounting teeth (2) are arranged on the periphery of the top cover (1) corresponding to the top of the explosion-proof case, and the top cover (1) is mounted on the explosion-proof case through the mounting teeth (2);
the sleeve (3) is vertically extended downwards in the top cover (1) to form the sleeve (3) for installing the central shaft unit (4), and an inserting hole of the central shaft unit (4) is formed in the bottom;
the shell (5) is arranged below the top cover (1) and rotates around the top cover (1), and an inner cavity (6) for installing a stator and a rotor is formed inside the top cover (1) and the shell (5) after being covered;
the fan blade mounting flange (7) is integrally extended on the periphery of the top of the shell (5) to form a horizontally arranged fan blade mounting flange (7);
the central shaft unit (4), the casing (5) is from upwards inserting from the bottom to be equipped with central shaft unit (4), in central shaft unit (4) passed casing (5) bottom stretched into sleeve (3), the top of central shaft unit (4) is hung through the upper bearing and is established and install on sleeve (3).
2. The housing for a vertical external rotor motor according to claim 1, wherein a plurality of mounting teeth (2) are arranged at equal intervals along the circumferential annular shape of the top cover (1), and a top mounting hole (8) is preset on each mounting tooth (2).
3. The housing for the vertical external rotor motor according to claim 2, wherein an upper bearing groove (10) and a lower bearing groove (11) for correspondingly installing an upper bearing and a lower bearing are respectively formed on the top and bottom inner side surfaces of the sleeve (3), and the inner diameters of the upper bearing groove (10) and the lower bearing groove (11) are larger than the inner diameter of the installation central shaft unit (4).
4. A housing for a vertical external rotor motor according to claim 3, characterized in that the bottom inside of the housing (5) is provided with a raised support table (12) corresponding to the lower bearing groove (11).
5. The housing for the vertical external rotor motor according to claim 4, wherein the fan blade mounting flange (7) is provided with fan blade mounting holes (13), each fan blade mounting hole (13) is provided with a reinforcing block (14), and the bottom of each reinforcing block (14) is arranged flush with the bottom of the fan blade mounting flange (7).
6. The housing for the vertical outer rotor motor according to claim 5, wherein the bottom inner side surface of the top cover (1) and the top outer side surface of the housing (5) are respectively provided with a step shape, and a labyrinth type mechanical sealing structure (15) is correspondingly arranged between the two.
7. The housing for a vertical external rotor motor according to claim 6, wherein the center shaft unit (4) includes: a central shaft (41), wherein the central shaft (41) is inserted into the sleeve (3);
the connecting seat (42) is integrally arranged at the bottom of the central shaft (41) and inserted into the supporting seat (16), and the connecting seat (42) is of an inverted T-shaped structure and comprises a horizontal end and a vertical end, and the horizontal end is arranged on the supporting seat (16) through a bolt;
and the stabilizing plate (43) is arranged on the bottoms of the connecting seat (42) and the sleeve (3) at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454182.0U CN220692925U (en) | 2023-06-07 | 2023-06-07 | Shell for vertical outer rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454182.0U CN220692925U (en) | 2023-06-07 | 2023-06-07 | Shell for vertical outer rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692925U true CN220692925U (en) | 2024-03-29 |
Family
ID=90369217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321454182.0U Active CN220692925U (en) | 2023-06-07 | 2023-06-07 | Shell for vertical outer rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220692925U (en) |
-
2023
- 2023-06-07 CN CN202321454182.0U patent/CN220692925U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220692925U (en) | Shell for vertical outer rotor motor | |
| CN102817783A (en) | Vertical axis tube type wind generator | |
| CN207069737U (en) | A kind of plastic packaging external rotor electric machine | |
| CN214887498U (en) | Wind driven generator shell casting with multiple heat dissipation structures | |
| KR101939322B1 (en) | Wind generator | |
| CN109538527A (en) | High-intensitive high stability outer rotor blower fan | |
| CN105375688B (en) | A kind of half directly-drive permanent magnet electric generator structure of wind power generating set | |
| CN101248569A (en) | Rotor of an outer-rotor type motor for use in a washing machine | |
| CN208589836U (en) | A kind of aluminum hull soft start motor | |
| CN217508422U (en) | Novel external rotor motor | |
| CN209800162U (en) | Variable pitch mechanism of wind generating set | |
| CN209654300U (en) | A kind of high intensity high stability outer rotor blower fan | |
| CN212754049U (en) | Chicken is cut apart and is used shank fixing device | |
| CN211152419U (en) | Electrical control box for engineering machinery | |
| CN217682089U (en) | Vertical shaft magnetic suspension wind power generation device | |
| CN220072737U (en) | Improved structure of stripping machine cleaning cavity | |
| CN205277725U (en) | Wind generating set | |
| CN205657536U (en) | A ceiling fan that is used for motor of ceiling fan and has it | |
| CN209654287U (en) | A kind of outer rotor blower fan Special top cup structure | |
| CN218335533U (en) | End cover assembly structure and permanent magnet synchronous motor comprising same | |
| CN209402286U (en) | A kind of connecting bracket for preventing motor housing from deforming | |
| CN208285105U (en) | A kind of New energy automobile motor drive end bearing bracket | |
| CN213341833U (en) | Motor rear end cover | |
| CN217282394U (en) | Stator core and motor | |
| CN214103980U (en) | Supporting mechanism for engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |