CN109617290A - A kind of waterproof permanent magnetic dc motor - Google Patents
A kind of waterproof permanent magnetic dc motor Download PDFInfo
- Publication number
- CN109617290A CN109617290A CN201910074536.0A CN201910074536A CN109617290A CN 109617290 A CN109617290 A CN 109617290A CN 201910074536 A CN201910074536 A CN 201910074536A CN 109617290 A CN109617290 A CN 109617290A
- Authority
- CN
- China
- Prior art keywords
- bearing
- ring
- motor
- hole
- permanent magnet
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract 3
- 239000002250 absorbent Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000009510 drug design Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000012466 permeate Substances 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention belongs to motor technology fields, specifically a kind of waterproof permanent magnetic dc motor, including casing, electric connection box, heat release hole, the first ring set, metal tube, the second ring set, motor reel, the first sealing ring, first bearing, the second sealing ring, second bearing, connection through-hole, attachment base, annular groove, cooling piece, circular arc tray, internal thread through hole and sealing bolt.The present invention has rational design, the case where mutually being worn between rust corrosion quickening and sealing ring on the motor reel for avoiding moisture from penetrating at rotation connection, simultaneously convenient for being lubricated at rotation connection, change the single mode to be radiated with heat release hole of tradition, improve radiating rate, solve the problems, such as that moisture penetrates into internal body from heat release hole and short circuit occurs, it is run by the cooling piece of energization, the heat for generating motor running is transmitted to radiating surface through the heat-absorbent surface of cooling piece and is finally scattered in air from heat release hole.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a waterproof permanent magnet direct current motor.
Background
The permanent magnet DC motor uses permanent magnet to establish exciting magnetic field, and has small volume, light weight, simple structure and high efficiency, and most of miniature DC motors are permanent magnet, and the starting and running characteristics of permanent magnet DC motor are basically the same as those of separately excited and parallel excited DC motors, except that the stator part has no exciting winding, and its parts such as armature, brush and commutator are all the same as those of current excited DC motor.
The shaft lever part of part permanent magnet direct current motor exposes in the outside air, and rainwater or humid air all can apply on the axostylus axostyle surface, long-time so axostylus axostyle will corrode and rust, the friction between the sealing washer that causes the rotation junction of axostylus axostyle and organism is great, damage the sealing washer, the sealed effect of influence rotation junction, can set up simple and convenient louvre on the casing surface for the better heat dissipation of permanent magnet direct current motor simultaneously, and the radiating effect is inconvenient, the structure needs to be improved, and then can make water pour into in casing and the organism, cause the short circuit to burn out. In view of this, the present invention provides a waterproof permanent magnet dc motor, which has the following characteristics:
(1) the invention provides a waterproof permanent magnet direct current motor, which avoids the situation that water permeates into a motor shaft at a rotating joint to corrode and rust and is accelerated to wear a sealing ring, and is convenient for lubricating the rotating joint.
(2) The invention provides a waterproof permanent magnet direct current motor, which changes the traditional mode of radiating by using a radiating hole, improves the radiating speed and solves the problem of short circuit caused by the fact that moisture permeates into the interior of a machine body from the radiating hole.
Disclosure of Invention
The invention aims to solve the problems, and provides a waterproof permanent magnet direct current motor, which avoids the situation that moisture permeates into a motor shaft at a rotating joint to corrode and rust and accelerate mutual abrasion between the motor shaft and a sealing ring, is convenient for lubricating the rotating joint, changes the traditional mode of radiating through a radiating hole, improves the radiating speed, and solves the problem that moisture permeates into the interior of a motor body from the radiating hole to cause short circuit.
The invention achieves the aim through the following technical scheme, the waterproof permanent magnet direct current motor comprises a shell, an electric connection box, a motor shaft, an oil seal structure for sealing the motor and a heat dissipation structure for dissipating heat of the motor, wherein the shell is internally installed around a motor body, the electric connection box is installed on one side of the surface of the shell, one end of the motor shaft rotatably penetrates through the middle part of the end surface of one end of the shell, connecting seats are installed at four corners of the bottom of the shell, the oil seal structure comprises a first ring sleeve, a metal pipe, a second ring sleeve, a first bearing, a second bearing and an internal thread through hole, the first ring sleeve is internally provided with the second bearing, an inner ring of the second bearing is assembled on the motor shaft, the second ring sleeve is internally provided with the first bearing, the inner ring of the second bearing is assembled on the motor shaft, and the motor shaft between the first ring sleeve and the second, and inner screw thread through-hole has all been seted up to tubular metal resonator one end top and other end bottom, tubular metal resonator both ends port is installed respectively on first ring cover inside port and second ring cover inside port, heat radiation structure includes louvre, ring channel, refrigeration piece and circular arc tray, the ring channel is seted up in casing annular inner wall one side, and the circular arc tray is all installed to ring channel inner wall both sides, two the leakproofness links to each other between the circular arc tray installs a plurality of refrigeration pieces, a plurality of louvres have been seted up to casing annular surface one side annular equidistance the louvre communicates with the ring channel is inside, refrigeration piece top forms a spatial structure with the tank bottom of ring channel, and the spatial structure one end bottom that refrigeration piece top and the tank bottom of ring channel formed communicates with the casing surface through-hole.
Preferably, the annular structures on both sides of the first bearing are provided with first sealing rings.
Preferably, the annular structures on both sides of the second bearing are provided with second sealing rings.
Preferably, the internal thread through hole is internally threaded with a sealing bolt.
Preferably, the metal tube contains lubricating oil.
Preferably, the first ring sleeve is welded on one end face of the casing.
The invention has the beneficial effects that:
(1) the invention provides a waterproof permanent magnet direct current motor, which avoids the situation that water permeates into a motor shaft at a rotating joint to corrode and rust and is accelerated to wear a sealing ring, and is convenient for lubricating the rotating joint.
(2) The invention provides a waterproof permanent magnet direct current motor, which changes the traditional mode of radiating by using a radiating hole, improves the radiating speed and solves the problem of short circuit caused by the fact that moisture permeates into the interior of a machine body from the radiating hole.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the housing structure of the present invention;
fig. 3 is a cross-sectional view of a metal tube structure of the present invention.
In the figure: 1. casing, 2, electric connection box, 3, louvre, 4, first ring cover, 5, tubular metal resonator, 6, second ring cover, 7, motor shaft, 8, first sealing ring, 9, first bearing, 10, second sealing ring, 11, second bearing, 12, connect the through hole, 13, connecting seat, 14, ring channel, 15, refrigeration piece, 16, circular arc tray, 17, interior screw thread through hole, 18, sealing bolt.
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. 1-3, a waterproof permanent magnet dc motor includes a casing 1, an electrical connection box 2, a motor shaft 7, an oil seal structure for sealing the motor, and a heat dissipation structure for dissipating heat of the motor, wherein the casing 1 is installed around a motor body, the electrical connection box 2 is installed on one side of the surface of the casing 1, one end of the motor shaft 7 rotates to pass through the middle of the end face of one end of the casing 1, four corners of the bottom of the casing 1 are respectively provided with a connection seat 13, the oil seal structure includes a first ring sleeve 4, a metal pipe 5, a second ring sleeve 6, a first bearing 9, a second bearing 11, and an internal thread through hole 17, the first ring sleeve 4 is internally provided with the second bearing 11, an inner ring of the second bearing 11 is assembled on the motor shaft 7, the second ring sleeve 6 is internally provided with the first bearing 9, and an inner ring of the second bearing 11 is assembled on, motor shaft 7 cover between first ring cover 4 and the second ring cover 6 is equipped with tubular metal resonator 5, and tubular metal resonator 5 one end top and other end bottom have all seted up internal thread through-hole 17, tubular metal resonator 5 both ends port is installed respectively on first ring cover 4 inside port and second ring cover 6 inside port, heat radiation structure includes louvre 3, ring channel 14, refrigeration piece 15 and circular arc tray 16, ring channel 14 is seted up in 1 annular inner wall one side of casing, and circular arc tray 16, two are all installed to ring channel 14 inner wall both sides the leakproofness links to each other between the circular arc tray 16 installs a plurality of refrigeration pieces 15, a plurality of louvres 3 have been seted up to 1 annular surface one side annular equidistance of casing, and a plurality of louvre 3 and the inside intercommunication of ring channel 14, refrigeration piece 15 top and the tank bottom of ring channel 14 form a spatial structure, and the spatial structure one end bottom that refrigeration piece 15 top and the tank bottom of ring channel 14 formed is through connect through-hole 12 and casing 1 are communicated with the outer surface.
The annular structures on the two sides of the first bearing 9 are respectively provided with a first sealing ring 8, so that the two sides of the first bearing 9 can be sealed conveniently; the annular structures on the two sides of the second bearing 11 are respectively provided with a second sealing ring 10, so that the two sides of the second bearing 11 can be sealed conveniently; the internal thread through hole 17 is internally threaded with a sealing bolt 18, so that the internal thread through hole 17 can be conveniently plugged; lubricating oil is contained in the metal pipe 5, so that the effect of lubricating the rotating connection part is achieved; the first ring sleeve 4 is welded on one end face of the machine shell 1, and the first ring sleeve 4 is favorably and hermetically arranged at the rotary connection position of the motor shaft 7 and the machine shell 1.
When the invention is used, firstly, lubricating oil is poured into the metal pipe 17 from an internal thread through hole positioned at the top, because the first bearing 9 and the second bearing 11 are arranged on the motor shaft 7 at intervals, and the two sides of the two are respectively sealed by the first sealing ring 8 and the second sealing ring 10, the metal pipe 7 is in a sealing state, thereby avoiding the situation that the water permeates into the motor shaft at the rotary joint to corrode and rust and quickly abrade the sealing ring, meanwhile, the rotating connection part is convenient to lubricate, the heat generated by the running of the motor is transferred to the heat dissipation surface through the heat absorption surface of the refrigeration sheet 15 and finally dissipated to the air from the heat dissipation hole 3 through the running of the electrified refrigeration sheet 15, the traditional mode that heat is dissipated through the heat dissipation holes is changed, the heat dissipation speed is improved, and the problem that moisture permeates into the interior of the machine body from the heat dissipation holes to cause short circuit is solved.
Wherein, the heat absorbing surface of the refrigeration piece 15 is positioned in the machine shell 1, and the heat radiating surface of the refrigeration piece 15 is positioned in the space structure formed by the top of the refrigeration piece 15 and the groove bottom of the annular groove 14. .
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A waterproof permanent magnet direct current motor is characterized in that: the motor comprises a shell (1), an electric connection box (2), a motor shaft (7), an oil seal structure for sealing the motor and a heat dissipation structure for dissipating heat of the motor, wherein the shell (1) is internally installed around a motor body, the electric connection box (2) is installed on one side of the surface of the shell (1), one end of the motor shaft (7) rotatably penetrates through the middle part of the end face of one end of the shell (1), and four corners of the bottom of the shell (1) are respectively provided with a connecting seat (13); wherein,
the oil seal structure comprises a first ring sleeve (4), a metal pipe (5), a second ring sleeve (6), a first bearing (9), a second bearing (11) and an internal thread through hole (17), wherein the second bearing (11) is assembled in the first ring sleeve (4), the inner ring of the second bearing (11) is assembled on a motor shaft (7), the first bearing (9) is assembled in the second ring sleeve (6), the inner ring of the second bearing (11) is assembled on the motor shaft (7), the metal pipe (5) is sleeved on the motor shaft (7) between the first ring sleeve (4) and the second ring sleeve (6), the internal thread through hole (17) is formed in the top of one end and the bottom of the other end of the metal pipe (5), and ports at two ends of the metal pipe (5) are respectively installed on ports at the inner side of the first ring sleeve (4) and the inner side of the second ring sleeve (6);
heat radiation structure includes louvre (3), ring channel (14), refrigeration piece (15) and circular arc tray (16), ring channel (14) are seted up in casing (1) annular inner wall one side, and ring channel (14) inner wall both sides all install circular arc tray (16), two the leakproofness links to each other between circular arc tray (16) installs a plurality of refrigeration pieces (15), casing (1) annular surface one side annular equidistance has seted up a plurality of louvres (3), and is a plurality of louvre (3) and the inside intercommunication of ring channel (14), refrigeration piece (15) top forms a spatial structure with the tank bottom of ring channel (14), and the spatial structure one end bottom that the tank bottom of refrigeration piece (15) top and ring channel (14) formed is through connect through-hole (12) and casing (1) surface intercommunication.
2. The waterproof permanent magnet direct current motor according to claim 1, characterized in that: and the annular structures on two sides of the first bearing (9) are provided with first sealing rings (8).
3. The waterproof permanent magnet direct current motor according to claim 1, characterized in that: and the annular structures on two sides of the second bearing (11) are provided with second sealing rings (10).
4. The waterproof permanent magnet direct current motor according to claim 1, characterized in that: and a sealing bolt (18) is connected with the internal thread of the internal thread through hole (17) in an internal thread manner.
5. The waterproof permanent magnet direct current motor according to claim 1, characterized in that: the metal tube (5) is filled with lubricating oil.
6. The waterproof permanent magnet direct current motor according to claim 1, characterized in that: the first ring sleeve (4) is welded on one end face of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074536.0A CN109617290B (en) | 2019-01-25 | 2019-01-25 | Waterproof permanent magnet direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074536.0A CN109617290B (en) | 2019-01-25 | 2019-01-25 | Waterproof permanent magnet direct current motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109617290A true CN109617290A (en) | 2019-04-12 |
| CN109617290B CN109617290B (en) | 2020-04-10 |
Family
ID=66019409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910074536.0A Expired - Fee Related CN109617290B (en) | 2019-01-25 | 2019-01-25 | Waterproof permanent magnet direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109617290B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205039664U (en) * | 2015-10-30 | 2016-02-17 | 浙江万时达电机有限公司 | Capacitanc asynchronous motor |
| CN206180745U (en) * | 2016-09-08 | 2017-05-17 | 上海拓责机械设备有限公司 | Bearing frame and brushless motor thereof |
| CN206250880U (en) * | 2016-11-28 | 2017-06-13 | 宁夏西北骏马电机制造股份有限公司 | Bearing chamber has the explosion separation motor of water-proof function |
| CN207559736U (en) * | 2017-12-05 | 2018-06-29 | 贵州大工新能源科技有限公司 | A kind of aluminum-shell motor dustproof construction |
| CN207664759U (en) * | 2017-12-29 | 2018-07-27 | 天津创远亿德科技发展有限公司 | Height output stability waterproof machine |
| CN207910590U (en) * | 2018-01-26 | 2018-09-25 | 东莞市米克精密机械有限公司 | A kind of integrated motor bearing support block on numerically-controlled machine tool |
-
2019
- 2019-01-25 CN CN201910074536.0A patent/CN109617290B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205039664U (en) * | 2015-10-30 | 2016-02-17 | 浙江万时达电机有限公司 | Capacitanc asynchronous motor |
| CN206180745U (en) * | 2016-09-08 | 2017-05-17 | 上海拓责机械设备有限公司 | Bearing frame and brushless motor thereof |
| CN206250880U (en) * | 2016-11-28 | 2017-06-13 | 宁夏西北骏马电机制造股份有限公司 | Bearing chamber has the explosion separation motor of water-proof function |
| CN207559736U (en) * | 2017-12-05 | 2018-06-29 | 贵州大工新能源科技有限公司 | A kind of aluminum-shell motor dustproof construction |
| CN207664759U (en) * | 2017-12-29 | 2018-07-27 | 天津创远亿德科技发展有限公司 | Height output stability waterproof machine |
| CN207910590U (en) * | 2018-01-26 | 2018-09-25 | 东莞市米克精密机械有限公司 | A kind of integrated motor bearing support block on numerically-controlled machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109617290B (en) | 2020-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200313 Address after: 213144 Jiangsu province Changzhou City Zhonglou District Zou Industrial Park Applicant after: CHANGZHOU JIANGNAN SANXIANG MOTOR Co.,Ltd. Address before: 518026 Zhengwei Technology (Shenzhen) Co., Ltd. Shennan Avenue 7888 East China Sea International Center Phase I, Block A, 29, Futian District, Shenzhen City, Guangdong Province Applicant before: Chen Erdong |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |