CN108512341B - Waterproof structure of motor - Google Patents
Waterproof structure of motor Download PDFInfo
- Publication number
- CN108512341B CN108512341B CN201810406170.8A CN201810406170A CN108512341B CN 108512341 B CN108512341 B CN 108512341B CN 201810406170 A CN201810406170 A CN 201810406170A CN 108512341 B CN108512341 B CN 108512341B
- Authority
- CN
- China
- Prior art keywords
- control box
- circuit board
- box body
- cover
- end cover
- 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.)
- Expired - Fee Related
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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
- H02K5/22—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a motor waterproof structure, which comprises an end cover, a control box, an outer rotor assembly, a stator assembly and a circuit board assembly, wherein the stator assembly is fixed on the front end side of the end cover; the control box comprises a control box body with an opening and a box cover arranged on the control box body, the box cover is used for sealing the opening, a threading hole is formed in the control box body, and a waterproof wire joint is arranged in the threading hole; the motor waterproof structure has good waterproof performance and good use effect.
Description
Technical Field
The invention relates to a waterproof structure of a motor, in particular to a waterproof structure of an outer rotor motor.
Background
The existing outer rotor motor has general waterproof and dustproof performance, and water drops and dust enter the inner part of the outer rotor motor and then directly contact with electronic components in a control box or a circuit board in a circuit board assembly, so that a circuit short circuit is easily caused.
Disclosure of Invention
Therefore, the invention aims to provide the motor waterproof structure with a reasonable structure, and the motor waterproof structure has good waterproof and dustproof effects.
The technical scheme for realizing the purpose of the invention is as follows:
a motor waterproof structure comprises an end cover, a control box, an outer rotor assembly, a stator assembly and a circuit board assembly, wherein the stator assembly is fixed on the front end side of the end cover, the control box is arranged on the rear end side of the end cover, the control box is fixedly connected with the end cover through a mounting screw, a second sealing ring is arranged between the end cover and the control box, and the outer rotor assembly is rotatably sleeved outside the stator assembly and is connected with the end cover through a mounting flange;
the control box comprises a control box body with an opening and a box cover arranged on the control box body, the box cover is used for sealing the opening, a threading hole is formed in the control box body, and a waterproof wire joint is arranged in the threading hole;
an annular boss arranged around the opening is formed on the outer wall of the box body of the control box, an annular groove matched with the annular boss is formed on the inner wall of the box cover, a first sealing ring is arranged in the annular groove, the annular boss tightly presses the first sealing ring in the annular groove after the box cover is fixed, a plurality of screw through holes are formed in the outer side of the annular boss on the box cover, a threaded blind hole is formed in the outer wall of the box body of the control box, and a fixing screw penetrates through the screw through hole to be matched with the threaded blind hole so as to fix the box cover on the box body of the control box;
the stator assembly comprises a stator and electric isolation plates fixed at two ends of the stator;
the circuit board subassembly is located stator module with between the end cover, its including have the mount pad that holds the chamber and adorn in hold the hall circuit board of intracavity, the mount pad is fixed on the electricity insulation board, it has bellied support column to hold the intracavity shaping, be equipped with on the hall circuit board with support column grafting complex jack, it is right to have on the support column the hall circuit board carries out the first support step that supports, it will to fill to be equipped with in the intracavity the hall circuit board encapsulation holds the casting glue of intracavity.
The invention has the positive effects that: according to the invention, the wire waterproof joint is arranged in the threading hole on the box body of the control box, so that water or dust can be prevented from entering the control box from a gap between a wire and the threading hole, the water retaining effect is achieved through the annular boss arranged around the opening, and meanwhile, the first sealing ring is tightly pressed in the annular groove through the annular boss, so that the sealing and waterproof effects are further ensured; in addition, in the waterproof structure of the motor, the circuit board assembly is sealed on the basis of the waterproof control box, and specifically, the Hall circuit board is packaged in the containing cavity through the pouring sealant, so that water or dust entering the motor is prevented from contacting the Hall circuit board, and the safe use effect is ensured.
Drawings
Fig. 1 is a schematic structural view of a control box in a waterproof structure of a motor according to the present invention;
FIG. 2 is a schematic structural diagram of a control box body according to the present invention;
FIG. 3 is a schematic structural view of the lid of the present invention;
FIG. 4 is a schematic structural diagram of a waterproof structure of the motor according to the present invention;
FIG. 5 is a schematic view of the structure of the stator assembly and the circuit board assembly of the present invention when they are mated;
FIG. 6 is a schematic structural view of an electricity-isolating plate according to the present invention;
fig. 7 is a schematic structural view of the mounting base of the present invention.
The reference symbols shown in the figures are: 1-control box body; 11-opening; 12-an annular boss; 13-threaded blind holes; 2-a box cover; 21-an annular groove; 22-screw punching; 3-waterproof wire joints; 4-end cover; 5-an outer rotor assembly; 6-a stator assembly; 61-a stator; 62-an insulating plate; 63-positioning the boss; 7-a circuit board assembly; 71-a mounting seat; 72-Hall circuit board; 73-support column; 74-positioning holes; 8, mounting a flange; 9-fastening screws.
Detailed Description
The specific structure of the invention is described below with reference to the accompanying drawings:
a waterproof structure of a motor, as shown in fig. 4 to 7, includes an end cover 4, a control box, an outer rotor assembly 5, a stator assembly 6 and a circuit board assembly 7, wherein the stator assembly 6 is fixed on the front end side of the end cover 4, the control box is disposed on the rear end side of the end cover 4, the control box is fixedly connected with the end cover 4 through a mounting screw, a second seal ring is disposed between the end cover 4 and the control box, the outer rotor assembly 5 is rotatably sleeved outside the stator assembly 6 and is connected with the end cover 4 through a mounting flange 8; the structure of the control box is shown in fig. 1 to 3, and the control box comprises a control box body 1 with an opening 11 and a box cover 2 arranged on the control box body 1, wherein the box cover 2 is used for sealing the opening 11, a threading hole is arranged on the control box body 1, and a waterproof wire joint 3 is arranged in the threading hole; an annular boss 12 arranged around the opening 11 is formed on the outer wall of the control box body 1, an annular groove 21 matched with the annular boss 12 is formed on the inner wall of the box cover 2, a first sealing ring is arranged in the annular groove 21, the annular boss 12 presses the first sealing ring in the annular groove 21 after the box cover 2 is fixed, a plurality of screw through holes 22 are formed in the outer side of the annular boss 12 on the box cover 2, a threaded blind hole 13 is formed in the outer wall of the control box body 1, and a fixing screw penetrates through the screw through hole 22 to be matched with the threaded blind hole 13 to fix the box cover 2 on the control box body 1; the stator assembly 6 comprises a stator 61 and electric insulation plates 62 fixed at two ends of the stator 61; the circuit board assembly 7 is arranged between the stator assembly 6 and the end cover 4, and comprises a mounting seat 71 and a Hall circuit board 72, wherein the mounting seat 71 is used for accommodating a cavity, the Hall circuit board 72 is arranged in the cavity, the mounting seat 71 is fixed on the insulating plate 62, a raised support column 73 is formed in the accommodating cavity, a jack matched with the support column 73 in a splicing mode is arranged on the Hall circuit board 72, a first support step for supporting the Hall circuit board 72 is arranged on the support column 73, and the accommodating cavity is filled with a pouring sealant for encapsulating the Hall circuit board 72 in the accommodating cavity. Among the motor waterproof construction of this embodiment, set up electric wire water joint 3 in the through wires hole on the control box body 1 and can avoid water or dust to get into the control box by the clearance between electric wire and the through wires hole, and play the effect of manger plate through the annular boss 12 that encircles opening 11 and set up, thereby compress tightly first sealing washer in annular groove 21 through annular boss 12 simultaneously and further guarantee sealed water-proof effects, sealed processing has been done to circuit board subassembly 7 on adopting above-mentioned control box basis, specifically pass through the encapsulation of casting glue with the hall circuit board and hold the intracavity, thereby avoid getting into water or dust and hall circuit board contact in the external rotor motor, thereby the safe in use effect has been guaranteed.
Further, in the present embodiment, the electricity isolating plate 62 has a positioning boss 63 extending axially to a side away from the stator 61, and a second supporting step is formed on the positioning boss 63; the mounting seat 71 is formed with a positioning hole 74 matched with the positioning boss 63, the mounting seat 71 is supported by the second supporting step after the positioning boss 63 is matched with the positioning hole 74, the mounting seat 71 is fixed on the electricity isolating plate 62 through the fastening screw 9 penetrating in the through hole, and the circuit board assembly 7 can be mounted more quickly and firmly by adopting the structure.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (1)
1. A motor waterproof structure comprises an end cover (4), a control box, an outer rotor assembly (5), a stator assembly (6) and a circuit board assembly (7), wherein the stator assembly (6) is fixed on the front end side of the end cover (4), the control box is arranged on the rear end side of the end cover (4), the control box is fixedly connected with the end cover (4) through a mounting screw, a second sealing ring is arranged between the end cover (4) and the control box, and the outer rotor assembly (5) is rotatably sleeved outside the stator assembly (6) and is connected with the end cover (4) through a mounting flange (8);
the control box is characterized by comprising a control box body (1) provided with an opening (11) and a box cover (2) arranged on the control box body (1), wherein the box cover (2) is used for sealing the opening (11), a threading hole is formed in the control box body (1), and a waterproof wire joint (3) is arranged in the threading hole;
an annular boss (12) surrounding the opening (11) is formed on the outer wall of the control box body (1), an annular groove (21) matched with the annular boss (12) is formed on the inner wall of the box cover (2), a first sealing ring is arranged in the annular groove (21), the annular boss (12) tightly presses the first sealing ring in the annular groove (21) after the box cover (2) is fixed, a plurality of screw through holes (22) are formed in the outer side of the annular boss (12) on the box cover (2), a threaded blind hole (13) is formed in the outer wall of the control box body (1), and a fixing screw penetrates through the screw through hole (22) to be matched with the threaded blind hole (13) to fix the box cover (2) on the control box body (1);
the stator assembly (6) comprises a stator (61) and electric insulation plates (62) fixed at two ends of the stator (61);
the circuit board assembly (7) is arranged between the stator assembly (6) and the end cover (4) and comprises an installation seat (71) with a containing cavity and a Hall circuit board (72) arranged in the containing cavity, the installation seat (71) is fixed on the electricity isolating plate (62), a raised support column (73) is formed in the containing cavity, a jack in plug-in fit with the support column (73) is arranged on the Hall circuit board (72), a first support step for supporting the Hall circuit board (72) is arranged on the support column (73), and pouring sealant for packaging the Hall circuit board (72) in the containing cavity is filled in the containing cavity; the electric insulation plate (62) is provided with a positioning boss (63) extending to one side far away from the stator (61) along the axial direction, and a second supporting step is formed on the positioning boss (63); the mounting seat (71) is provided with a positioning hole (74) matched with the positioning boss (63), the mounting seat (71) is supported by the second supporting step after the positioning boss (63) is matched with the positioning hole (74), and the mounting seat (71) is fixed on the electricity isolating plate (62) through a fastening screw (9) arranged in the through hole in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406170.8A CN108512341B (en) | 2018-04-30 | 2018-04-30 | Waterproof structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406170.8A CN108512341B (en) | 2018-04-30 | 2018-04-30 | Waterproof structure of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108512341A CN108512341A (en) | 2018-09-07 |
| CN108512341B true CN108512341B (en) | 2020-06-09 |
Family
ID=63399848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810406170.8A Expired - Fee Related CN108512341B (en) | 2018-04-30 | 2018-04-30 | Waterproof structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108512341B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855847A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor lead-wire fixing clamp assembly and the applied motor thereof |
| CN206294027U (en) * | 2016-08-31 | 2017-06-30 | 卧龙电气集团股份有限公司 | A kind of novel intelligent electric machine |
| CN206532719U (en) * | 2017-03-21 | 2017-09-29 | 深圳瑞思达智能科技有限公司 | Single-phase water proof switch box |
| CN207234588U (en) * | 2017-06-07 | 2018-04-13 | 陈文蔚 | Terminal box with cover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6911750B2 (en) * | 2003-07-03 | 2005-06-28 | Delco Remy International, Inc. | Electronic package for electrical machine |
| ES2342016T3 (en) * | 2007-09-26 | 2010-06-30 | EBM-PAPST MULFINGEN GMBH & CO. KG | ELECTRIC MOTOR. |
-
2018
- 2018-04-30 CN CN201810406170.8A patent/CN108512341B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855847A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor lead-wire fixing clamp assembly and the applied motor thereof |
| CN206294027U (en) * | 2016-08-31 | 2017-06-30 | 卧龙电气集团股份有限公司 | A kind of novel intelligent electric machine |
| CN206532719U (en) * | 2017-03-21 | 2017-09-29 | 深圳瑞思达智能科技有限公司 | Single-phase water proof switch box |
| CN207234588U (en) * | 2017-06-07 | 2018-04-13 | 陈文蔚 | Terminal box with cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108512341A (en) | 2018-09-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210430 |