CN112653281A - Stainless steel motor - Google Patents
Stainless steel motor Download PDFInfo
- Publication number
- CN112653281A CN112653281A CN202011616102.8A CN202011616102A CN112653281A CN 112653281 A CN112653281 A CN 112653281A CN 202011616102 A CN202011616102 A CN 202011616102A CN 112653281 A CN112653281 A CN 112653281A
- Authority
- CN
- China
- Prior art keywords
- rear end
- cover
- end cover
- stator
- stainless steel
- 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.)
- Pending
Links
- 239000010935 stainless steel Substances 0.000 title claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a stainless steel motor which is good in sealing effect and easy to disassemble and replace an end cover. A stainless steel motor comprises a front end cover, a rear end cover, a shaft seal, a rear cover, a rotor and a stator, wherein the stator is sleeved on the rotor, first sealing elements are arranged at the axial connecting part of the stator and the front end cover, the axial connecting part of the stator and the rear end cover and the axial connecting part of the rear end cover and the rear cover, and second sealing elements are arranged at the radial connecting part of the stator and the front end cover, the radial connecting part of the stator and the rear end cover and the radial connecting part of the rear end cover and the rear cover. According to the invention, through the arrangement of the first sealing element and the second sealing element, two sealing forms are formed at the joint surface of the motor part, and double sealing is formed by the two sealing forms, so that a better sealing effect is obtained compared with the prior art; the front end cover is replaced without disassembling all the machine, and the front end cover structure is suitable for front end cover structures in various forms, so that the end cover is easy to disassemble and replace.
Description
Technical Field
The invention relates to a motor, in particular to a stainless steel motor.
Background
The stainless steel motor is characterized in that the exposed part of the motor is made of stainless steel materials and is applied to certain special environments, such as oceans, coastal wharfs, food processing, chemical engineering, metallurgy and other places. The existing common motor is generally painted on the surface by using aluminum or carbon steel, the motor cannot be used in the environment for a long time, for example, the corrosion resistance of the surface of the motor is high in the ocean and coastal wharfs, and spots, dust and the like on the surface of the motor are required to be cleaned frequently in food processing, chemical engineering, metallurgy and other places. Stainless steel motor can adapt to above-mentioned special environment, but the sealing performance of current stainless steel motor structure still is not enough to reach the higher requirement of above-mentioned environment, and after long-time the use, the motor is inside to be corroded easily by external environment and causes the trouble, except improving sealing performance, still need consider the convenience that the end cover dimension protected the change, and above-mentioned problem still can not be solved to current stainless steel motor structure.
Disclosure of Invention
The invention aims to provide a stainless steel motor with a good sealing effect and an easily-detachable end cover, and solves the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a stainless steel motor comprises a front end cover, a rear end cover, a shaft seal, a rear cover, a rotor and a stator, wherein the stator is sleeved on the rotor, the front end of the stator is fixedly connected with the front end cover, the rear end of the stator is fixedly connected with the rear end cover, the shaft seal is fixedly connected with the front end cover, the rear cover is fixedly connected with the rear end of the rear end cover, first sealing elements are arranged at the axial connecting part of the stator and the front end cover, the axial connecting part of the stator and the rear end cover and the axial connecting part of the rear end cover and the rear cover, and second sealing elements are arranged at the radial connecting part of the stator and the front end cover, the radial connecting part of the stator and the rear end cover and the radial.
Preferably, the second sealing element comprises a root part and a lug boss which are integrally formed, the lug boss protrudes from the surface of the outer ring of the root part, and the cross-section width ratio of the lug boss to the root part is 0.4-0.6: 1.
preferably, the second sealing element is a sealing ring with an inverted T-shaped cross section, and the outer surface of the second sealing element is flush with the surface of each radial connecting part.
Preferably, the first seal is a seal ring having an O-shaped cross section, and an outer surface of the first seal is higher than a surface of each of the axial connecting portions.
As preferred, the stator includes the iron core, the copper line, insulation board and casing, the copper line is around locating on the iron core, outside the iron core was located to the casing cover, terminal surface before the casing, terminal surface before rear end housing and the preceding terminal surface of after-hood all are equipped with the half groove on the left side that is used for fixed second sealing member, front end housing rear end surface, casing rear end surface and rear end housing rear end surface all are equipped with the half groove on the right side that is used for cooperating the fixed second sealing member of half groove on the left side, every half groove on the left side and the right half groove that corresponds constitute a second seal chamber, the volume in second seal chamber is less than the volume of second.
Preferably, the front end of the casing is provided with a casing convex part with an outer diameter smaller than that of the front end of the casing, the front end of the rear end cover is provided with a rear end cover convex part with an outer diameter smaller than that of the rear end cover, the front end of the rear cover is provided with a rear cover convex part with an outer diameter smaller than that of the rear cover, and the outer surface of the casing convex part, the outer surface of the rear end cover convex part and the outer surface of the rear cover convex part are provided with first sealing cavities.
Preferably, the end face of the convex part of the casing is provided with a plurality of threaded holes, the front end of the front end cover is provided with a shaft seal chamber, the end part of the shaft seal chamber is connected with a shaft seal, a plurality of counter bores used for matching with the threaded holes are arranged in the shaft seal chamber, the counter bores are fixedly connected with the threaded holes through hexagon socket head cap screws, and the top ends of the hexagon socket head cap screws are positioned in the shaft.
Preferably, the rotor comprises a rotating shaft, a first bearing, magnetic steel and a second bearing, and the first bearing, the magnetic steel and the second bearing are sleeved on the rotating shaft.
Preferably, a third sealing element is arranged at the axial connecting part of the shaft seal and the front end cover, the third sealing element is a sealing ring with an O-shaped section, and the outer surface of the third sealing element is higher than the surface of the axial connecting part.
The invention has the beneficial effects that:
according to the stainless steel motor, two sealing forms are formed at the joint surface of the motor part through the arrangement of the first sealing element and the second sealing element, the first sealing element is positioned in the motor and forms sealing at the axial connection part, so that the stainless steel motor is suitable for sealing and blocking in corrosive and humid environments, the second sealing element is positioned on the surface of the motor and forms sealing at the radial connection part, so that the stainless steel motor is suitable for environments in which the surface of the motor needs to be cleaned by water pressure, and double sealing is formed by the two sealing forms, so that a better sealing effect is obtained compared with the prior art; the invention also enables the front end cover to be replaced under the condition of not needing to completely disassemble the machine through the structures of the stator and the front end cover, and is suitable for the front end cover structures in various forms, so that the end cover can be easily disassembled and replaced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of a rotor structure of the present invention;
FIG. 4 is a schematic view of the stator structure of the present invention;
FIG. 5 is a schematic view of a second seal of the present invention;
FIG. 6 is a schematic view of the stator of the present invention in connection with a front end cap;
FIG. 7 is a schematic view of the front end cap construction of the present invention;
fig. 8 is a schematic view of another front end cap configuration of the present invention.
In the figure: 1. front end cover, 2, rear end cover, 3, shaft seal, 4, rear cover, 5, rotor, 6, stator, 7, first seal, 8, second seal, 9, left half groove, 10, right half groove, 11, second seal cavity, 12, first seal cavity, 13, threaded hole, 14, counter bore, 15, socket head cap screw, 16, third seal, 101, shaft seal chamber, 201, rear end cover convex part, 401, rear cover convex part, 501, rotating shaft, 502, first bearing, 503, magnetic steel, 504, second bearing, 601, iron core, 602, copper wire, 603, insulating plate, 604, casing, 801, root, 802, convex part, 6041, casing convex part.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
Example (b):
as shown in fig. 1 and 2, the stainless steel motor includes a front end cover 1, a rear end cover 2, a shaft seal 3, a rear cover 4, a rotor 5 and a stator 6, wherein the stator is sleeved on the rotor, the front end of the stator is fixedly connected with the front end cover, the rear end of the stator is fixedly connected with the rear end cover, the shaft seal is fixedly connected with the front end of the front end cover, and the rear cover is fixedly connected with the rear end of the rear end cover. The front end cover, the rear end cover and the rear cover are all made of stainless steel materials.
The axial connecting part of the stator and the front end cover, the axial connecting part of the stator and the rear end cover, and the axial connecting part of the rear end cover and the rear cover are respectively provided with a first sealing element 7, the first sealing elements are sealing rings with O-shaped sections, and the outer surfaces of the first sealing elements are higher than the surfaces of the axial connecting parts.
And second sealing elements 8 are arranged at the radial connecting part of the stator and the front end cover, the radial connecting part of the stator and the rear end cover and the radial connecting part of the rear end cover and the rear cover.
As shown in fig. 3, the rotor includes a rotating shaft 501, a first bearing 502, a magnetic steel 503 and a second bearing 504, and the first bearing, the magnetic steel and the second bearing are sleeved on the rotating shaft.
As shown in fig. 4, the stator includes an iron core 601, a copper wire 602, an insulating plate 603, and a casing 604, the copper wire is wound around the iron core, the casing is sleeved outside the iron core, and the casing is made of stainless steel. The front end face of the machine shell, the front end face of the rear end cover and the front end face of the rear cover are respectively provided with a left half groove 9 used for fixing the second sealing element, the rear end face of the front end cover, the rear end face of the machine shell and the rear end face of the rear cover are respectively provided with a right half groove 10 used for matching with the left half groove to fix the second sealing element, each left half groove and the corresponding right half groove form a second sealing cavity 11, and the volume of the second sealing cavity is smaller than that of the second sealing element.
As shown in FIG. 5, the second sealing element comprises a root portion 801 and a lug boss 802 which are integrally formed, wherein the lug boss protrudes from the surface of the outer ring of the root portion, and the section width ratio of the lug boss to the root portion is 0.4-0.6: 1. the second sealing element is a sealing ring with an inverted T-shaped section, and the outer surface of the second sealing element is flush with the surface of each radial connecting part.
Casing convex part 6041 that the external diameter is less than the casing front end is equipped with to the casing front end, and the rear end housing front end is equipped with the rear end housing convex part 201 that the external diameter is less than the rear end housing, and the rear cover front end is equipped with rear cover convex part 401 that the external diameter is less than the rear cover, and casing convex part surface, rear end housing convex part surface and rear cover convex part surface all are equipped with the first seal chamber 12 that is used for fixed first sealing member.
As shown in fig. 6, the end face of the convex portion of the casing is provided with a plurality of threaded holes 13, the front end of the front end cover is provided with a shaft seal chamber 101, the end portion of the shaft seal chamber is connected with a shaft seal, a plurality of counter bores 14 used for matching with the threaded holes are arranged inside the shaft seal chamber, the counter bores are fixedly connected with the threaded holes through hexagon socket head cap screws 15, and the top ends of the hexagon socket head cap screws.
In order to better seal the shaft seal chamber, a third sealing element 16 is arranged at the axial connection part of the shaft seal and the front end cover, the third sealing element is a sealing ring with an O-shaped section, and the outer surface of the third sealing element is higher than the surface of the axial connection part.
This stainless steel motor forms two kinds of sealed forms through the setting of first sealing member and second sealing member in the faying face department of motor part, and first sealing member is located inside the motor, forms sealedly in axial connection position, is suitable for the sealed separation of corruption and humid environment, and the second sealing member is located the motor surface, forms sealedly in radial connection position, is suitable for and carries out the abluent environment of water pressure to the motor surface, and two kinds of sealed forms form double seal, obtain better sealed effect than prior art. The stainless steel motor also enables the front end cover to be replaced under the condition of not needing to be completely disassembled through the structure of the stator and the front end cover. It should be noted that the stainless steel motor structure is suitable for various front end cover structures, so that the end cover can be easily disassembled and replaced, and the front end cover structures shown in fig. 7 and 8 can be adapted to the stainless steel motor.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (9)
1. The utility model provides a stainless steel motor, includes front end housing, rear end cap, bearing seal, back shroud, rotor and stator, and on the rotor was located to the stator cover, stator front end rigid coupling front end housing, stator rear end rigid coupling rear end cap, bearing seal rigid coupling front end housing front end, back shroud rigid coupling rear end housing rear end, its characterized in that: the axial connection position of the stator and the front end cover, the axial connection position of the stator and the rear end cover, and the axial connection position of the rear end cover and the rear cover are respectively provided with a first sealing element, and the radial connection position of the stator and the front end cover, the radial connection position of the stator and the rear end cover, and the radial connection position of the rear end cover and the rear cover are respectively provided with a second sealing element.
2. A stainless steel electric machine according to claim 1, characterized in that: the second sealing member includes integrated into one piece's root and bellying, and the bellying is protruding in root outer lane surface, and the cross-section width ratio of bellying and root is 0.4~ 0.6: 1.
3. a stainless steel electric machine according to claim 1 or 2, characterized in that: the second sealing element is a sealing ring with an inverted T-shaped cross section, and the outer surface of the second sealing element is flush with the surface of each radial connecting part.
4. A stainless steel electric machine according to claim 1, characterized in that: the first sealing element is a sealing ring with an O-shaped section, and the outer surface of the first sealing element is higher than the surface of each axial connecting part.
5. A stainless steel electric machine according to claim 1, characterized in that: the stator includes the iron core, the copper line, insulation board and casing, the copper line is around locating on the iron core, outside the iron core was located to the casing cover, terminal surface before the casing, terminal surface before the rear end cap and rear cover all are equipped with the half groove on the left side that is used for fixed second sealing member, front end cap rear end face, casing rear end face and rear end cap rear end face all are equipped with the half groove on the right side that is used for the fixed second sealing member of half groove on the left side of cooperation, every half groove on the left side and the right half groove that corresponds constitute a second seal chamber, the volume in second seal chamber is less than the volume of second sealing member.
6. A stainless steel electric machine according to claim 5, characterized in that: the front end of the shell is provided with a shell convex part with the outer diameter smaller than that of the front end of the shell, the front end of the rear end cover is provided with a rear end cover convex part with the outer diameter smaller than that of the rear end cover, the front end of the rear cover is provided with a rear cover convex part with the outer diameter smaller than that of the rear cover, and the outer surface of the shell convex part, the outer surface of the rear end cover convex part and the outer surface of the rear cover convex part are all provided with a.
7. A stainless steel electric machine according to claim 6, characterized in that: the end face of the convex part of the shell is provided with a plurality of threaded holes, the front end of the front end cover is provided with a shaft seal chamber, the end part of the shaft seal chamber is connected with a shaft seal, a plurality of counter bores used for being matched with the threaded holes are arranged in the shaft seal chamber, the counter bores are fixedly connected with the threaded holes through hexagon socket screws, and the top ends of the hexagon socket screws are located in the shaft seal chamber.
8. A stainless steel electric machine according to claim 1, characterized in that: the rotor comprises a rotating shaft, a first bearing, magnetic steel and a second bearing, wherein the first bearing, the magnetic steel and the second bearing are sleeved on the rotating shaft.
9. A stainless steel electric machine according to claim 1, characterized in that: and a third sealing element is arranged at the axial connecting part of the shaft seal and the front end cover, the third sealing element is a sealing ring with an O-shaped section, and the outer surface of the third sealing element is higher than the surface of the axial connecting part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011616102.8A CN112653281A (en) | 2020-12-30 | 2020-12-30 | Stainless steel motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011616102.8A CN112653281A (en) | 2020-12-30 | 2020-12-30 | Stainless steel motor |
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CN112653281A true CN112653281A (en) | 2021-04-13 |
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CN202011616102.8A Pending CN112653281A (en) | 2020-12-30 | 2020-12-30 | Stainless steel motor |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202455200U (en) * | 2011-12-26 | 2012-09-26 | 上海大郡动力控制技术有限公司 | Motor case with cooling water circulating channel |
CN203562865U (en) * | 2013-11-29 | 2014-04-23 | 四川阿克拉斯电动车有限公司 | Secondary-deceleration-brushless-motor box body |
CN204794477U (en) * | 2015-08-19 | 2015-11-18 | 上虞奥克斯齿轮电机有限公司 | Waterproof motor |
CN105245077A (en) * | 2015-11-04 | 2016-01-13 | 迪百仕电机科技(苏州)有限公司 | Outer rotor permanent magnet synchronous motor having bearings fixed on enclosure |
CN106329807A (en) * | 2016-09-18 | 2017-01-11 | 合普动力股份有限公司 | Motor shell water-cooling structure |
CN207184222U (en) * | 2017-09-14 | 2018-04-03 | 常州奥立思特电子有限公司 | A kind of submersible machine |
CN208128037U (en) * | 2018-04-29 | 2018-11-20 | 杭州桢正玮顿运动控制技术有限公司 | A kind of permanent magnetic synchronous motor |
CN210246479U (en) * | 2019-10-14 | 2020-04-03 | 绍兴职业技术学院 | Sealing structure for shell and end cover of servo motor in textile industry |
CN210927290U (en) * | 2019-12-31 | 2020-07-03 | 曲阜天科电动科技有限公司 | Axial water channel shell plugging form of water-cooled motor |
CN213906432U (en) * | 2020-12-30 | 2021-08-06 | 安吉桢正运动控制技术有限公司 | Stainless steel motor |
-
2020
- 2020-12-30 CN CN202011616102.8A patent/CN112653281A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202455200U (en) * | 2011-12-26 | 2012-09-26 | 上海大郡动力控制技术有限公司 | Motor case with cooling water circulating channel |
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CN105245077A (en) * | 2015-11-04 | 2016-01-13 | 迪百仕电机科技(苏州)有限公司 | Outer rotor permanent magnet synchronous motor having bearings fixed on enclosure |
CN106329807A (en) * | 2016-09-18 | 2017-01-11 | 合普动力股份有限公司 | Motor shell water-cooling structure |
CN207184222U (en) * | 2017-09-14 | 2018-04-03 | 常州奥立思特电子有限公司 | A kind of submersible machine |
CN208128037U (en) * | 2018-04-29 | 2018-11-20 | 杭州桢正玮顿运动控制技术有限公司 | A kind of permanent magnetic synchronous motor |
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CN210927290U (en) * | 2019-12-31 | 2020-07-03 | 曲阜天科电动科技有限公司 | Axial water channel shell plugging form of water-cooled motor |
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