CN217234389U - Combined oil seal for motor - Google Patents
Combined oil seal for motor Download PDFInfo
- Publication number
- CN217234389U CN217234389U CN202220103139.9U CN202220103139U CN217234389U CN 217234389 U CN217234389 U CN 217234389U CN 202220103139 U CN202220103139 U CN 202220103139U CN 217234389 U CN217234389 U CN 217234389U
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- oil seal
- radial
- axial
- axial extension
- extension
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Abstract
The utility model discloses a combined oil seal for a motor, which comprises a first oil seal and a second oil seal; wherein the first oil seal comprises a first axial extension, a first radial extension and a first seal lip; the second oil seal comprises a second axial extension, a second radial extension and a second seal lip; a lower end portion of the first axially extending portion is connected to an outer peripheral portion of the first radially extending portion; the first sealing lip is connected to the inner periphery of the first radial extending part and extends upwards; the upper end part of the second axial extension part is connected to the outer peripheral part of the second radial extension part; the second seal lip is connected to an inner peripheral portion of the second radially extending portion and extends upward; the outer side wall of the second axial extension is in sealing abutting fit with the inner side wall of the first axial extension. The utility model discloses can improve sealing performance, improve sealed effect, improve sealed stability and reliability, prevent sealed leakage.
Description
Technical Field
The utility model relates to a combination oil blanket is used to motor.
Background
At present, in broken wall cooking machine, need set up the oil blanket between the output shaft of motor and the casing of motor and prevent that food waste and water from entering into the motor, sealed effect between current oil blanket and the motor output shaft is relatively poor, is difficult to form reliable stable sealed, and then probably leads to sealed leakage and damages the motor.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a combination oil blanket for motor, it can improve sealing performance, improves sealed effect, improves sealed stability and reliability, prevents to seal the leakage.
In order to solve the technical problem, the technical scheme of the utility model is that: a combined oil seal for a motor comprises a first oil seal and a second oil seal; wherein the content of the first and second substances,
the first oil seal comprises a first axial extension part, a first radial extension part and a first sealing lip;
the second oil seal comprises a second axial extension, a second radial extension and a second seal lip;
the lower end part of the first axial extension part is connected to the outer peripheral part of the first radial extension part;
the first sealing lip is connected to the inner periphery of the first radial extending part and extends upwards;
the first sealing lip inclines inwards from bottom to top;
an upper end portion of the second axial extension portion is connected to an outer peripheral portion of the second radial extension portion;
the second sealing lip is connected to the inner peripheral part of the second radial extending part and extends upwards;
the second sealing lip is inclined inwards from bottom to top;
the outer side wall of the second axial extension is in sealing abutting fit with the inner side wall of the first axial extension;
the lower end of the second axial extension abuts against the upper end of the first radial extension.
Further, an upper end of the first axial extension is flush with an upper end of the second axial extension.
Further provides a concrete structure of the first oil seal and the second oil seal, wherein the first oil seal comprises a first sealing body and a first framework embedded in the first sealing body;
the second oil seal comprises a second sealing body and a second framework embedded in the second sealing body.
Further provides a specific structure of the first framework, wherein the first framework comprises a first axial framework body and a first radial framework body;
the lower end part of the first axial frame body is connected to the outer peripheral part of the first radial frame body;
the first axial mount is located in the first axial extension;
the first radial shelf is located in the first radial extension.
Further, the upper end surface of the first radial frame body and the inner side wall of the first axial frame body are exposed outside the first sealing body;
the outer side wall of the second axial extension part is in sealing butt fit with the inner side wall of the first axial frame body;
the lower end part of the second axial extension part props against the upper end face of the first radial frame body.
Further providing a specific structure of the second framework, wherein the second framework comprises a second axial frame body and a second radial frame body;
the upper end part of the second axial frame body is connected to the outer peripheral part of the second radial frame body;
the second axial mount is located in the second axial extension;
the second radial shelf is located in the second radial extension.
In order to further improve the wear resistance of the first sealing lip, the lip tip of the first sealing lip is provided with a polytetrafluoroethylene layer.
In order to further improve the wear resistance of the second sealing lip, a polytetrafluoroethylene layer is arranged at the lip tip of the second sealing lip.
Furthermore, a spring clamping groove is formed in the outer side wall of the first sealing lip.
In order to further improve the sealing performance, at least one corrugated convex strip is respectively arranged on the outer side wall of the first axial extension part and the outer side wall of the second axial extension part.
After the technical scheme is adopted, the first sealing lip and the second sealing lip can both tightly hold the output shaft of the motor, so that two seals can be formed, the sealing performance is improved, the sealing effect is improved, the sealing stability and reliability are improved, the sealing leakage can be prevented, and the motor is prevented from being damaged.
Drawings
Fig. 1 is a schematic structural view of the combined oil seal for the motor of the present invention;
fig. 2 is the utility model discloses an assembly explosion diagram of combination oil blanket for motor.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 and 2, the combined oil seal for the motor comprises a first oil seal and a second oil seal; wherein the content of the first and second substances,
the first oil seal comprises a first axial extension part 1, a first radial extension part 2 and a first sealing lip 3;
the second oil seal comprises a second axial extension 4, a second radial extension 5 and a second sealing lip 6;
the lower end of the first axial extension 1 is connected to the outer periphery of the first radial extension 2;
the first seal lip 3 is connected to the inner peripheral portion of the first radially extending portion 2 and extends upward;
the first sealing lip 3 inclines inwards from bottom to top;
the upper end of the second axial extension 4 is connected to the outer peripheral portion of the second radial extension 5;
the second seal lip 6 is attached to the inner peripheral portion of the second radially extending portion 5 and extends upward;
the second sealing lip 6 inclines inwards from bottom to top;
the outer side wall of the second axial extension 4 is in sealing abutting fit with the inner side wall of the first axial extension 1;
the lower end of the second axial extension 4 abuts against the upper end of the first radial extension 2; specifically, first seal lip 3 with the output shaft of motor can all be held tightly to second seal lip 6, and then can form twice and seal, has improved sealing performance, has improved sealed effect, has improved sealed stability and reliability, and then can prevent sealed leakage, prevents that the motor from damaging. In the embodiment, the inner wall of the first sealing lip 3 and the inner wall of the second sealing lip 6 are both suitable for coating proper amount of food-grade grease; wherein, the first oil seal and the second oil seal are both in an annular structure.
As shown in fig. 1, the upper end of the first axial extension 1 is flush with the upper end of the second axial extension 4, so that the combined oil seal for the motor can be more easily installed in the housing of the motor, and the combined oil seal for the motor can be more stably installed in the housing of the motor.
As shown in fig. 1 and 2, the first oil seal may include a first sealing body 7 and a first skeleton 8 embedded in the first sealing body 7;
the second oil seal can comprise a second sealing body 9 and a second framework 10 embedded in the second sealing body 9; the first seal lip 3 is a part of the first seal body 7, the second seal lip 6 is a part of the second seal body 9, the first seal body 7 and the second seal body 9 are both made of rubber, and the first framework 8 and the second framework 10 are both made of metal.
As shown in fig. 1 and 2, the first frame 8 may include a first axial frame body 11 and a first radial frame body 12;
the lower end of the first axial frame body 11 is connected to the outer circumferential portion of the first radial frame body 12;
the first axial frame body 11 is located in the first axial extension 1;
the first radial shelf 12 is located in the first radial extension 2.
As shown in fig. 1, both the upper end surface of the first radial frame body 12 and the inner side wall of the first axial frame body 11 are exposed outside the first sealing body 7;
the outer side wall of the second axial extension part 4 is in sealing abutting fit with the inner side wall of the first axial frame body 11;
the lower end of the second axial extension 4 abuts against the upper end surface of the first radial frame 12.
As shown in fig. 1 and 2, the second frame 10 may include a second axial frame body 13 and a second radial frame body 14;
the upper end of the second axial frame body 13 is connected to the outer circumferential portion of the second radial frame body 14;
the second axial frame body 13 is located in the second axial extension 4;
the second radial shelf 14 is located in the second radial extension 5.
As shown in fig. 1 and 2, the lip tip of the first sealing lip 3 is provided with a teflon layer 15, the lip tip of the second sealing lip 6 is provided with a teflon layer 15, and the teflon layer 15 can improve the wear resistance of the first sealing lip 3 and the second sealing lip 6.
As shown in fig. 1 and 2, a spring slot 16 is arranged on the outer side wall of the first sealing lip 3; the spring clamping groove 16 is adapted to clamp a spring, and the spring can hold the first sealing lip 3 tightly on the output shaft of the motor.
As shown in fig. 1 and 2, at least one corrugated rib 17 may be provided on the outer side wall of the first axial extension 1 and the outer side wall of the second axial extension 4, respectively.
The working principle of the utility model is as follows:
first seal lip 3 with the output shaft of motor can be held tightly to second seal lip 6 homoenergetic, and then can form twice sealed, has improved sealing performance, has improved sealed effect, has improved sealed stability and reliability, and then can prevent sealed leakage, prevents that the motor from damaging.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A combined oil seal for a motor is characterized by comprising a first oil seal and a second oil seal; wherein the content of the first and second substances,
the first oil seal comprises a first axial extension part (1), a first radial extension part (2) and a first sealing lip (3);
the second oil seal comprises a second axial extension part (4), a second radial extension part (5) and a second sealing lip (6);
the lower end of the first axial extension (1) is connected to the outer periphery of the first radial extension (2);
the first seal lip (3) is connected to the inner peripheral portion of the first radially extending portion (2) and extends upward;
the first sealing lip (3) inclines inwards from bottom to top;
the upper end of the second axial extension (4) is connected to the outer peripheral part of the second radial extension (5);
the second seal lip (6) is connected to an inner peripheral portion of the second radially extending portion (5) and extends upward;
the second sealing lip (6) inclines inwards from bottom to top;
the outer side wall of the second axial extension (4) is in sealing abutting fit with the inner side wall of the first axial extension (1);
the lower end of the second axial extension (4) abuts against the upper end of the first radial extension (2).
2. A composite oil seal for a motor according to claim 1, characterized in that the upper end of the first axial extension (1) is flush with the upper end of the second axial extension (4).
3. A combination oil seal for a motor according to claim 1,
the first oil seal comprises a first sealing body (7) and a first framework (8) embedded in the first sealing body (7);
the second oil seal comprises a second sealing body (9) and a second framework (10) embedded in the second sealing body (9).
4. Combined oil seal for a motor according to claim 3,
the first framework (8) comprises a first axial frame body (11) and a first radial frame body (12);
the lower end of the first axial frame body (11) is connected to the outer peripheral part of the first radial frame body (12);
the first axial frame (11) is located in the first axial extension (1);
the first radial shelf (12) is located in the first radial extension (2).
5. Combined oil seal for electric motors according to claim 4, characterized in that the upper end face of the first radial frame body (12) and the inner side wall of the first axial frame body (11) are both exposed outside the first sealing body (7);
the outer side wall of the second axial extension part (4) is in sealing butt fit with the inner side wall of the first axial frame body (11);
the lower end part of the second axial extension part (4) props against the upper end face of the first radial frame body (12).
6. A combination oil seal for a motor according to claim 3,
the second framework (10) comprises a second axial frame body (13) and a second radial frame body (14);
the upper end part of the second axial frame body (13) is connected to the outer peripheral part of the second radial frame body (14);
the second axial frame (13) is located in the second axial extension (4);
the second radial shelf (14) is located in the second radial extension (5).
7. -combination oil seal for motors according to claim 1, characterised in that the lip tip of the first sealing lip (3) is provided with a teflon layer (15).
8. -combination oil seal for motors according to claim 1, characterised in that the lip tip of the second sealing lip (6) is provided with a teflon layer (15).
9. The motor combination oil seal as claimed in claim 1, wherein the outer side wall of the first sealing lip (3) is provided with a spring clamping groove (16).
10. -combination oil seal for electric motors according to claim 1, characterised in that at least one corrugation ridge (17) is provided on the outer side wall of the first axial extension (1) and on the outer side wall of the second axial extension (4), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103139.9U CN217234389U (en) | 2022-01-14 | 2022-01-14 | Combined oil seal for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103139.9U CN217234389U (en) | 2022-01-14 | 2022-01-14 | Combined oil seal for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217234389U true CN217234389U (en) | 2022-08-19 |
Family
ID=82829372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220103139.9U Active CN217234389U (en) | 2022-01-14 | 2022-01-14 | Combined oil seal for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217234389U (en) |
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2022
- 2022-01-14 CN CN202220103139.9U patent/CN217234389U/en active Active
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