CN220234337U - Sealing structure of motor end cover - Google Patents
Sealing structure of motor end cover Download PDFInfo
- Publication number
- CN220234337U CN220234337U CN202321853005.XU CN202321853005U CN220234337U CN 220234337 U CN220234337 U CN 220234337U CN 202321853005 U CN202321853005 U CN 202321853005U CN 220234337 U CN220234337 U CN 220234337U
- Authority
- CN
- China
- Prior art keywords
- end cover
- sealing
- boss
- motor
- positioning
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 85
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a sealing structure of a motor end cover, which comprises an end cover, a stator assembly and a sealing element, wherein the end cover is fixedly connected with the stator assembly through a fastener, the sealing element is arranged on the end cover, one end of the stator assembly, which is close to the end cover, is provided with a first sealing plane, the inner side of the first sealing plane is provided with a step protruding out of the first sealing plane, the sealing element comprises an extrusion part, one side of the lower end of the extrusion part is provided with a semicircular boss protruding out of the end cover, the boss is abutted against the first sealing plane and the outer peripheral side of the step, and the radius of the boss is not larger than the height of the step. The deformation of the sealing element is blocked, the joint of the end cover and the positioning assembly can be completely sealed, the waterproof performance of the motor is enhanced, and the dustproof, waterproof, flame-retardant and explosion-proof grades of the motor are also improved.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a sealing structure of a motor end cover.
Background
The end cap is an important component of the motor. As shown in fig. 1, the existing sealing between the end cover and the stator assembly mainly adopts an insert which is injection molded with the end cover into a whole, and then the insert is extruded by a protruding part of the insert to seal in a sealing groove formed in the stator assembly. The motor has the defects that the protruding part is infinitely deformed after being extruded, the blocking limit is not set, after being extruded, the annular insert part has a gap, external water vapor can not be completely blocked from entering the motor, the motor can not be effectively protected, and the sealing effect is poor.
Disclosure of Invention
The utility model aims to provide a sealing structure of a motor end cover, which overcomes the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a seal structure of motor end cover, includes end cover, stator module, sealing member, end cover and stator module pass through fastener fixed connection, the sealing member is located on the end cover, the one end that stator module is close to the end cover is equipped with sealing plane one, sealing plane one inboard is equipped with the step of protruding sealing plane one, the sealing member includes extrusion, extrusion lower extreme one side is equipped with the semicircular boss of protruding end cover, boss and sealing plane one and the periphery side butt of step, just the radius of boss is not greater than the height of step.
Further, in the sealing structure of the motor end cover, the sealing piece and the end cover are integrally formed in an injection molding mode, and the sealing piece and the end cover are arranged along the annular shape along the lower end cover of the end cover.
Further, in the sealing structure of the motor end cover, the sealing member further comprises a positioning portion, the positioning portion is arranged above the extrusion portion, an insert groove corresponding to the positioning portion is formed in the end cover, and the positioning portion is inlaid in the insert groove and is tightly connected with the insert groove.
Further, in the sealing structure of the motor end cover, the sealing element further comprises an extension part, the extension part is arranged on one side of the positioning part, a positioning groove formed by the positioning part is formed in the upper end of the extension part, a second sealing plane connected with the extrusion part is arranged at the lower end of the extension part, a positioning ring matched with the positioning groove is arranged on the end cover, and the second sealing plane is matched with the top surface of the step.
Furthermore, in the sealing structure of the motor end cover, a round angle is arranged on the outer side of the upper end of the step, and the radius of the round angle is 0.5mm-4mm.
Further, in the sealing structure of the motor end cover, the radius of the boss is 0.5-4 mm, and the height of the step is 0.5-10 mm.
Further, in the sealing structure of the motor end cover, the sealing member is made of PVC, rubber or polytetrafluoroethylene.
Compared with the prior art, the utility model has the beneficial effects that: the end cover and the stator assembly are locked through the fastener, the sealing piece is extruded after locking, the bottom of the boss is completely attached to the first sealing plane through extrusion, one side of the boss is blocked by the step and is limited and attached to the outer peripheral side of the step, the boss is completely attached to the corner of the first sealing plane, which is connected with the step, after extrusion, the connecting part of the end cover and the positioning assembly can be completely sealed, the waterproof performance of the motor is enhanced, and the dustproof, waterproof, flame-retardant and explosion-proof grades of the motor are also improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of a structure in which an end cover and a stator assembly of a sealing structure of an end cover of a motor of the present utility model are in a locked state;
FIG. 3 is a schematic view of the end cap and stator assembly of the seal structure of the motor end cap of the present utility model in a loose configuration;
in the figure: 1. an end cap; 11. inserting grooves; 12. a positioning ring,
2. A stator assembly; 21. a first sealing plane; 22. a step;
3. a seal; 31. an extrusion part; 32. a boss; 33. a positioning part; 34. an extension; 35. a positioning groove; 36. and a sealing plane II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 2 and 3, a sealing structure of a motor end cover comprises an end cover 1, a stator assembly 2 and a sealing element 3, wherein the end cover 1 and the stator assembly 2 are fixedly connected through a fastener, the sealing element 3 is arranged on the end cover 1, one end, close to the end cover 1, of the stator assembly 2 is provided with a first sealing plane 21, the inner side of the first sealing plane 21 is provided with a step 22 protruding out of the first sealing plane 21, the sealing element 3 comprises a pressing part 31, one side of the lower end of the pressing part 31 is provided with a semicircular boss 32 protruding out of the end cover 1, the boss 32 is abutted with the first sealing plane 21 and the outer circumferential side of the step 22, the radius of the boss 32 is not larger than the height of the step 22, specifically, the radius of the boss 32 is 0.5mm-4mm, the height of the step 22 is 0.5mm-10mm, and in addition, the outer side of the upper end of the step 22 is provided with a round angle, and the radius of the round angle is 0.5mm-4mm. The end cover 1 and the stator assembly 2 are locked through the fastener, the sealing piece 3 is extruded after locking, the bottom of the boss 32 is extruded to be completely attached to the first sealing plane 21, one side of the boss is extruded to be blocked by the step 22 to be limited and attached to the outer peripheral side of the step 22, the boss 32 is completely attached to the corner where the sealing plane 21 is connected with the step 22 after being extruded, the effect of complete sealing is achieved, the waterproof performance of the motor is enhanced, and the dustproof, waterproof, flame-retardant and explosion-proof grades of the motor are also improved.
Example 2
Based on the structure of the embodiment 1, as shown in fig. 2 and 3, the sealing element 3 is integrally injection molded with the end cover 1 and is annularly arranged along the lower end cover of the end cover 1; and the material of the sealing member 3 is PVC, rubber or polytetravinyl chloride.
In addition, as shown in fig. 2 and 3, the sealing member 3 further includes a positioning portion 33, the positioning portion 33 is disposed above the pressing portion 31, the end cap 1 is provided with an insert groove 11 corresponding to the positioning portion, and the positioning portion 33 is embedded in the insert groove 11 and is tightly connected with the insert groove 11. The cooperation of the positioning portion 33 and the insert groove 11 can prevent the sealing element 3 from loosening from the end cover 1 when being pressed.
In addition, as shown in fig. 2 and 3, the sealing member 3 further includes an extension portion 34, the extension portion 34 is disposed on one side of the positioning portion 33, a positioning groove 35 formed by the positioning portion 33 is disposed at an upper end of the extension portion, a second sealing plane 36 connected to the pressing portion 31 is disposed at a lower end of the extension portion, a positioning ring 12 matched with the positioning groove 35 is disposed on the end cover 1, and the second sealing plane 36 is matched with a top surface of the step 22. The cooperation of the positioning groove 35 and the positioning ring 12 can further prevent the sealing element 3 from loosening from the end cover 1 when being extruded, the height from the bottom surface of the boss 32 to the second sealing plane 36 (namely the overall height of the extrusion part 31) is not smaller than the height of the step 22, when the boss 32 is worn, the second sealing plane 36 is tightly sealed with the top surface of the step 22, the sealing performance is good, and the service life of the sealing element 3 can be prolonged.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A seal structure of motor end cover, its characterized in that: including end cover, stator module, sealing member, end cover and stator module pass through fastener fixed connection, the sealing member is located on the end cover, the one end that stator module is close to the end cover is equipped with sealing plane one, sealing plane one inboard is equipped with the step of protruding sealing plane one, the sealing member includes extrusion, extrusion lower extreme one side is equipped with the semicircular boss of protruding end cover, boss and sealing plane one and the periphery side butt of step, just the radius of boss is not greater than the height of step.
2. The sealing structure of a motor end cap according to claim 1, wherein: the sealing piece and the end cover are integrally injection molded, and are arranged along the annular shape along the lower end cover of the end cover.
3. The sealing structure of a motor end cap according to claim 1, wherein: the sealing element further comprises a positioning part, the positioning part is arranged above the extrusion part, the end cover is provided with an insert groove corresponding to the positioning part, and the positioning part is inlaid in the insert groove and is tightly connected with the insert groove.
4. A sealing structure of a motor end cap according to claim 3, wherein: the sealing piece further comprises an extension part, the extension part is arranged on one side of the positioning part, a positioning groove formed by the extension part and the positioning part is formed in the upper end of the extension part, a second sealing plane connected with the extrusion part is arranged at the lower end of the extension part, a positioning ring matched with the positioning groove is arranged on the end cover, and the second sealing plane is matched with the top surface of the step.
5. The sealing structure of a motor end cap according to claim 1, wherein: the outer side of the upper end of the step is provided with a round angle, and the radius of the round angle is 0.5mm-4mm.
6. The sealing structure of a motor end cap according to claim 1, wherein: the radius of the boss is 0.5mm-4mm, and the height of the step is 0.5mm-10mm.
7. The sealing structure of a motor end cap according to claim 1, wherein: the sealing member is made of PVC, rubber or polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853005.XU CN220234337U (en) | 2023-07-14 | 2023-07-14 | Sealing structure of motor end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853005.XU CN220234337U (en) | 2023-07-14 | 2023-07-14 | Sealing structure of motor end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234337U true CN220234337U (en) | 2023-12-22 |
Family
ID=89177767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321853005.XU Active CN220234337U (en) | 2023-07-14 | 2023-07-14 | Sealing structure of motor end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234337U (en) |
-
2023
- 2023-07-14 CN CN202321853005.XU patent/CN220234337U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |