CN211151684U - Sealed effectual motor casing - Google Patents
Sealed effectual motor casing Download PDFInfo
- Publication number
- CN211151684U CN211151684U CN202020172635.0U CN202020172635U CN211151684U CN 211151684 U CN211151684 U CN 211151684U CN 202020172635 U CN202020172635 U CN 202020172635U CN 211151684 U CN211151684 U CN 211151684U
- Authority
- CN
- China
- Prior art keywords
- gasket
- bearing
- rotating shaft
- end cover
- sleeve
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000000670 limiting effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a sealed effectual motor casing belongs to motor casing technical field. The motor shell comprises a shell, a front end cover and a rear end cover are respectively arranged at two ends of the shell, and sealing rings are arranged between the shell and the front end cover as well as between the shell and the rear end cover. The middle part of front end housing is provided with the through-hole that makes the pivot pass, and the through-hole on pivot and the front end housing passes through the bearing and rotates and be connected, and the outside cover of bearing is equipped with the sleeve, and telescopic internal surface and bearing in close contact with, telescopic surface and the through-hole inner wall in close contact with on the front end housing. Telescopic one end is provided with the gasket, and the gasket is located the outside of bearing, and the gasket cover is established in the pivot, and the cover is equipped with sealed the pad in the pivot, and sealed pad is located the outside of gasket, is provided with the jump ring that has limiting displacement to sealed pad in the pivot, sealed pad and the equal in close contact with of gasket and pivot. The utility model adopts the above structure sealed effectual motor casing can solve the poor problem of pivot and the sealed effect of casing junction.
Description
Technical Field
The utility model belongs to the technical field of motor casing structure technique and specifically relates to a sealed effectual motor casing is related to.
Background
The motor is a device for converting electric energy into mechanical energy, and mainly comprises an electromagnet winding or a distributed stator winding for generating a magnetic field and a rotating armature or a rotor, wherein a rotating magnetic field is generated by utilizing an electrified coil and acts on the rotor to form magnetoelectric power rotating torque. The stator is fixed on the shell of the motor, the rotor is positioned in the stator, the rotor is fixed on the rotating shaft of the motor, and the rotating shaft synchronously rotates along with the rotation of the rotor. The motor has a high requirement for the sealing performance of the motor because many electric components are arranged inside the motor and the motor sometimes needs to work under water. The rotating shaft of the motor is rotatably connected with the shell, the sealing performance of the joint of the rotating shaft and the shell is poor, and the requirement of the motor on the sealing performance during the operation in water cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed effectual motor casing solves the sealed poor problem of effect of pivot and casing junction.
In order to achieve the purpose, the utility model provides a motor shell with good sealing effect, which comprises a shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the shell, and sealing rings are arranged between the shell and the front end cover as well as between the shell and the rear end cover;
the middle part of the front end cover is provided with a through hole for the rotating shaft to pass through, the rotating shaft is rotatably connected with the through hole on the front end cover through a bearing, a sleeve is sleeved outside the bearing, the inner surface of the sleeve is tightly contacted with the bearing, and the outer surface of the sleeve is tightly contacted with the inner wall of the through hole on the front end cover;
telescopic one end is provided with the gasket, and the gasket is located the outside of bearing, and the gasket cover is established in the pivot, and the cover is equipped with sealed the pad in the pivot, and sealed pad is located the outside of gasket, is provided with the jump ring that has limiting displacement to sealed pad in the pivot, sealed pad and the equal in close contact with of gasket and pivot.
Preferably, the sleeve is made of rubber, the inner diameter of the sleeve is not larger than the diameter of the bearing, and the outer diameter of the sleeve is not smaller than the diameter of the bearing chamber on the front end cover.
Preferably, one end of the sleeve is provided with two convex rings which are parallel to each other, and the gasket is fixed between the two convex rings.
Preferably, the diameter of a through hole arranged in the middle of the sealing gasket and allowing the rotating shaft to penetrate through is not larger than the diameter of the rotating shaft at the sealing gasket; the rotating shaft is provided with a clamping groove, the clamping spring is clamped in the clamping groove, the thickness of the clamping spring is not larger than the width of the clamping groove, and the distance from the gasket to one end, far away from the gasket, of the clamping groove is not larger than the sum of the thicknesses of the sealing gasket and the clamping spring.
Preferably, the clamp spring is provided with an opening for installation, the middle of the clamp spring is provided with a mounting hole, the rotating shaft is located in the mounting hole, the mounting hole is communicated with the opening, the aperture of the mounting hole is smaller than the diameter of the rotating shaft on the two sides of the groove, and the two sides of the upper opening of the clamp spring are provided with clamping holes convenient for installation of the clamp spring.
In the motor shell with good sealing effect, the rubber sleeve seals the joint of the bearing and the front end cover; the gasket shields one end of the bearing, the gasket is fixed on the sleeve in a sealing mode, a sealing gasket outside the gasket seals a connecting surface between the gasket and the rotating shaft under the action of the clamp spring, and the sealing gasket and the rotating shaft are sealed in an interference mode; the sealing effect between the rotating shaft and the front end cover is good.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a motor housing with a good sealing effect according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is the utility model relates to a jump ring structure schematic diagram of sealed effectual motor casing embodiment.
Reference numerals
1. A housing; 2. a rear end cap; 3. a front end cover; 4. a seal ring; 5. a bearing; 6. a sleeve; 7. a gasket; 8. a gasket; 9. a clamp spring; 10. a rotating shaft; 11. a card slot; 12. a convex ring; 13. a clamping hole; 14. and (7) installing holes.
Detailed Description
Examples
Fig. 1 is the utility model relates to a seal the structural schematic diagram of effectual motor casing embodiment, fig. 2 is the local enlarged of A in the attached drawing 1, and fig. 3 is the utility model relates to a seal jump ring structural schematic diagram of effectual motor casing embodiment. As shown in the figure, the motor shell with good sealing effect comprises a shell 1, wherein a front end cover 3 and a rear end cover 2 are arranged at two ends of the shell 1 respectively, and the front end cover 3 and the rear end cover 2 are fixedly connected with the shell 1 through screws. The shell 1, the front end cover 3 and the rear end cover 2 are all made of metal materials. Sealing rings 4 are arranged between the shell 1 and the front end cover 3 and the rear end cover 2, grooves are arranged on the side faces, close to the shell 1, of the front end cover 3 and the rear end cover 2, the sealing rings 4 are clamped in the grooves, the width of each sealing ring 4 is slightly larger than that of each groove, and the height of each sealing ring 4 is slightly larger than that of each groove. The sealing ring 4 is a rubber O-shaped ring, so that the sealing effect of the joint of the front end cover 3 and the rear end cover 2 with the shell 1 is improved.
The middle part of the front end cover 3 is provided with a through hole for the rotating shaft 10 to pass through, and the through hole is provided with an annular baffle for supporting the bearing 5. The rotating shaft 10 is rotatably connected with the through hole on the front end cover 3 through the bearing 5. The outside cover of bearing 5 is equipped with sleeve 6, and sleeve 6 is the rubber material, and sleeve 6's internal diameter is not more than bearing 5's diameter, and sleeve 6's external diameter is not less than the aperture of through-hole on the front end housing 3. In this embodiment, the inner diameter of the sleeve 6 is slightly smaller than the diameter of the bearing 5, and the outer diameter of the sleeve 6 is slightly larger than the diameter of the through hole in the front end cover 3, so that the inner surface of the sleeve 6 is in close contact with the bearing 5, and the outer surface of the sleeve 6 is in close contact with the inner wall of the through hole in the front end cover 3. The sleeve 6 improves the sealing effect of the joint face of the bearing 5 and the front end cover 3.
One end of the sleeve 6 is provided with a gasket 7, and the gasket 7 is fixed between two convex rings 12 which are arranged on the inner surface of the sleeve 6 and are parallel to each other. The gasket 7 is a red copper sheet. The gasket 7 may be fixed to the sleeve 6 by a vulcanization process. The gasket 7 is positioned outside the bearing 5 and sleeved on the rotating shaft 10, and the aperture of a through hole which is arranged in the middle of the gasket 7 and allows the rotating shaft 10 to penetrate through is slightly larger than the diameter of the rotating shaft 10 at the position of the gasket 7. The rotating shaft 10 is sleeved with a rubber sealing gasket 8, and the sealing gasket 8 is positioned outside the gasket 7. The aperture of the through hole arranged in the middle of the sealing gasket 8 and allowing the rotating shaft 10 to penetrate through is not larger than the diameter of the rotating shaft 10 at the sealing gasket 8, so that the sealing gasket 8 is tightly attached to the side face of the rotating shaft 10.
A clamp spring 9 which has a limiting effect on the sealing gasket 8 is arranged on the rotating shaft 10. An annular clamping groove 11 is formed in the rotating shaft 10, and the clamping spring 9 is clamped in the clamping groove 11. The thickness of jump ring 9 is not more than the width of draw-in groove 11, and the distance of gasket 7 to the draw-in groove 11 one end of keeping away from gasket 7 is slightly less than the sum of the thickness of sealed 8 and jump ring 9 for sealed 8 inseparable laminating is on gasket 7 under the effect of jump ring 9 of sealing up. The sealing gasket 8 seals the connecting surface between the sealing gasket 8 and the gasket 7 under the action of the clamp spring 9. The sealing gasket 8 rotates synchronously with the rotating shaft 10, and the sealing gasket 8 and the gasket 7 slide relatively.
An opening for installation is formed in the clamp spring 9, an installation hole 14 is formed in the middle of the clamp spring 9, and the rotating shaft 10 is located in the installation hole 14. The mounting hole 14 is communicated with the opening, and the aperture of the mounting hole 14 is smaller than the diameter of the rotating shafts 10 on the two sides of the groove, so that the clamp spring 9 can be clamped in the groove. Clamping holes 13 facilitating installation of the clamp spring 9 are formed in two sides of the upper opening of the clamp spring 9, the opening of the clamp spring 9 is broken through the clamping holes 13, the rotating shaft 10 is clamped into the installation hole 14 through the opening, and installation of the clamp spring 9 on the rotating shaft 10 is achieved.
Therefore, the utility model adopts the above structure sealed effectual motor casing can solve the poor problem of pivot and the sealed effect of casing junction.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a sealed effectual motor casing which characterized in that: the sealing ring is arranged between the shell and the front end cover as well as between the shell and the rear end cover;
the middle part of the front end cover is provided with a through hole for the rotating shaft to pass through, the rotating shaft is rotatably connected with the through hole on the front end cover through a bearing, a sleeve is sleeved outside the bearing, the inner surface of the sleeve is tightly contacted with the bearing, and the outer surface of the sleeve is tightly contacted with the inner wall of the through hole on the front end cover;
telescopic one end is provided with the gasket, and the gasket is located the outside of bearing, and the gasket cover is established in the pivot, and the cover is equipped with sealed the pad in the pivot, and sealed pad is located the outside of gasket, is provided with the jump ring that has limiting displacement to sealed pad in the pivot, sealed pad and the equal in close contact with of gasket and pivot.
2. A hermetically sealed motor housing according to claim 1, wherein: the sleeve is made of rubber, the inner diameter of the sleeve is not larger than the diameter of the bearing, and the outer diameter of the sleeve is not smaller than the diameter of the bearing chamber on the front end cover.
3. A hermetically sealed motor housing according to claim 1, wherein: one end of the sleeve is provided with two convex rings which are parallel to each other, and the gasket is fixed between the two convex rings.
4. A hermetically sealed motor housing according to claim 1, wherein: the diameter of the through hole which is arranged in the middle of the sealing gasket and is used for the rotating shaft to pass through is not larger than the diameter of the rotating shaft at the sealing gasket; the rotating shaft is provided with a clamping groove, the clamping spring is clamped in the clamping groove, the thickness of the clamping spring is not larger than the width of the clamping groove, and the distance from the gasket to one end, far away from the gasket, of the clamping groove is not larger than the sum of the thicknesses of the sealing gasket and the clamping spring.
5. A hermetically sealed motor housing according to claim 4, wherein: the clamp spring is provided with an opening for installation, the middle of the clamp spring is provided with an installation hole, the rotating shaft is located in the installation hole, the installation hole is communicated with the opening, the aperture of the installation hole is smaller than the diameter of the rotating shaft on the two sides of the groove, and the two sides of the upper opening of the clamp spring are provided with clamping holes convenient for installation of the clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172635.0U CN211151684U (en) | 2020-02-16 | 2020-02-16 | Sealed effectual motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172635.0U CN211151684U (en) | 2020-02-16 | 2020-02-16 | Sealed effectual motor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211151684U true CN211151684U (en) | 2020-07-31 |
Family
ID=71756789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020172635.0U Expired - Fee Related CN211151684U (en) | 2020-02-16 | 2020-02-16 | Sealed effectual motor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211151684U (en) |
-
2020
- 2020-02-16 CN CN202020172635.0U patent/CN211151684U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |