CN215720806U - Output shaft oil seal for protecting motor rotor - Google Patents
Output shaft oil seal for protecting motor rotor Download PDFInfo
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- CN215720806U CN215720806U CN202121445713.0U CN202121445713U CN215720806U CN 215720806 U CN215720806 U CN 215720806U CN 202121445713 U CN202121445713 U CN 202121445713U CN 215720806 U CN215720806 U CN 215720806U
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- output shaft
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- limiting
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Abstract
The utility model relates to the technical field of motor oil seals, in particular to an output shaft oil seal for protecting a motor rotor, which comprises the motor rotor, wherein the upper end of the motor rotor is fixedly connected with an output shaft, the upper side of the output shaft is provided with a motor upper cover, the motor upper cover is provided with a circular groove in a penetrating manner, the lower end of the outer surface of the output shaft is fixedly connected with a boss, the outer surface of the output shaft is connected with a sealing device, the outer side of the sealing device is connected with a limiting device, the limiting device is connected in the circular groove, and the limiting device is rotatably connected in the limiting groove through a limiting ring fixedly arranged at the upper end of the outer surface of the circular ring, so that when the motor rotor generates vibration and the like during rotation, the motion position of the motor rotor can be limited, the motor rotor is limited, and the motor rotor is prevented from being damaged when being collided with the inside of a shell.
Description
Technical Field
The utility model relates to the technical field of motor oil seals, in particular to an output shaft oil seal for protecting a motor rotor.
Background
The motor output shaft oil seal is a sealing structure for sealing a motor output shaft and a shell, and mainly prevents lubricating oil inside a motor from seeping out.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an output shaft oil seal for protecting a motor rotor, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a protection electric motor rotor's output shaft oil blanket, includes electric motor rotor, electric motor rotor upper end fixedly connected with output shaft, the output shaft upside is equipped with the motor upper cover, the motor upper cover runs through and is provided with the circular slot, output shaft outside surface lower extreme fixedly connected with boss, the output shaft outside is connected with sealing device on the surface, the sealing device outside is connected with stop device, stop device connects in the circular slot.
Preferably, the limiting device comprises a circular ring, a fixing groove, a limiting ring, a fixing ring and a limiting groove, and the outer side surface of the fixing ring is fixedly connected with the inner wall of the circular groove.
Preferably, the upper end of the inner wall of the fixing ring is provided with a limiting groove, and the inner wall of the fixing ring is rotatably connected with a circular ring.
Preferably, the upper end of the outer side surface of the circular ring is fixedly connected with a limiting ring, and the size and the shape of the limiting ring and the size and the shape of the limiting groove are the same.
Preferably, the limiting ring is movably connected in the inner wall of the limiting groove, and the inner wall of the circular ring is provided with a fixing groove.
Preferably, the sealing device comprises a sealing ring, a fixing block and a sealing gasket, the fixing block is fixedly arranged on the outer side surface of the sealing ring, and the sealing gasket is arranged at each of the upper end and the lower end of the sealing ring.
Preferably, the two sealing gaskets are fixedly arranged at the upper end and the lower end of the outer side surface of the sealing ring respectively, the inner ring of the sealing ring is sleeved on the outer side surface of the output shaft, a circular ring is sleeved on the outer side surface of the sealing ring, and the fixing block is fixedly connected to the inner wall of the fixing groove.
Compared with the prior art, the utility model has the following beneficial effects:
(1) through ring outside surface upper end fixed mounting spacing ring swivelling joint in the spacing groove, when making motor rotor the circumstances such as vibration appear when rotatory, can restrict motor rotor's motion position to reached restriction motor rotor and removed, prevented that motor rotor striking shell inside the circumstances such as damage appear.
(2) The sealing effect of the equipment is greatly improved by matching the sealing gasket fixedly connected with one end of the outer side surface of the sealing ring with the sealing ring, and the sealing effect of the outside of the equipment is greatly improved by matching the sealing gasket fixedly connected with the other end of the sealing ring with the sealing ring, so that the probability that external dust and other substances enter the inside to block the operation of the motor rotor is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an output shaft oil seal for protecting a motor rotor according to the present invention;
FIG. 2 is a schematic view of a rotor structure of an output shaft oil seal for protecting a rotor of an electric motor according to the present invention;
FIG. 3 is an enlarged schematic structural view of an output shaft oil seal for protecting a motor rotor according to the present invention at the position A;
FIG. 4 is a schematic structural diagram of an upper cover of a motor for protecting an output shaft oil seal of a motor rotor according to the present invention;
FIG. 5 is a schematic structural diagram of a sealing device for protecting an output shaft oil seal of a motor rotor according to the present invention;
FIG. 6 is a schematic structural view of a limiting device for protecting an output shaft oil seal of a motor rotor according to the present invention;
FIG. 7 is a schematic view of a ring structure for protecting an output shaft oil seal of a motor rotor according to the present invention;
fig. 8 is a schematic structural diagram of a fixing ring for protecting an output shaft oil seal of a motor rotor according to the present invention.
In the figure: 1. a motor rotor; 2. an output shaft; 3. a sealing device; 4. an upper cover of the motor; 5. a boss; 6. a circular groove; 7. a limiting device; 301. a seal ring; 302. a fixed block; 303. a gasket; 701. a circular ring; 702. fixing grooves; 703. a limiting ring; 704. a fixing ring; 705. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Examples
As shown in fig. 1-8, an output shaft oil seal for protecting a motor rotor comprises a motor rotor 1, an output shaft 2 is fixedly connected to the upper end of the motor rotor 1, a motor upper cover 4 is arranged on the upper side of the output shaft 2, a circular groove 6 is arranged on the motor upper cover 4 in a penetrating manner, a boss 5 is fixedly connected to the lower end of the outer side surface of the output shaft 2, a sealing device 3 is connected to the outer side surface of the output shaft 2, a limiting device 7 is connected to the outer side of the sealing device 3, and the limiting device 7 is connected to the circular groove 6.
Through the technical scheme, when the motor rotor 1 rotates, the sealing ring 301 is sleeved on the output end of the output shaft 2 through the sleeve, the ring 701 is sleeved on the outer side surface of the sealing ring 301, so that a sealing effect is achieved, the fixing block 302 fixedly installed on the outer side surface of the sealing ring 301 is arranged in the fixing groove 702 formed in the inner wall surface of the ring 701, the motor rotor 1 drives the ring 701 to rotate when rotating, the limiting ring 703 is fixedly installed at the upper end of the outer side surface of the ring 701 and is rotatably connected in the limiting groove 705, the motor rotor 1 can be limited in the moving position when rotating under the conditions of vibration and the like, the motor cannot shake and impact the inside of the shell to damage and the like, the outer ring of the fixing ring 704 is fixedly connected in the circular groove 6 formed in the motor upper cover 4, the motor rotor 1 and the motor upper cover 4 are in a sealing state, and the sealing effect of equipment is achieved by matching the sealing gasket 303 fixedly connected with the outer side surface of the sealing ring 301 with the sealing ring 301 Promote greatly, cooperate with sealing washer 301 through sealing washer 303 of sealing washer 301 other end fixed connection and make the outside sealed effect of equipment promote greatly to reduce the probability that substances such as external dust got into inside and hinder electric motor rotor 1 operation.
In this embodiment, the limiting device 7 includes a circular ring 701, a fixing groove 702, a limiting ring 703, a fixing ring 704 and a limiting groove 705, the outer side surface of the fixing ring 704 is fixedly connected with the inner wall of the circular groove 6, the limiting groove 705 is formed in the upper end of the inner wall of the fixing ring 704, the circular ring 701 is rotatably connected to the inner wall of the fixing ring 704, and the outer ring of the circular ring 701 and the inner ring of the fixing ring 704 are used for improving the sealing performance of the equipment.
When the motor rotor 1 is rotated and vibrated to cause the motor rotor 1 to move, the motor rotor 1 is limited to move, and the motor rotor 1 is prevented from being damaged when the motor rotor 1 is impacted inside the shell.
Wherein, the sealing device 3 comprises a sealing ring 301, a fixed block 302 and a sealing gasket 303, the fixed block 302 is fixedly arranged on the outer side surface of the sealing ring 301, the upper end and the lower end of the sealing ring 301 are respectively provided with one sealing gasket 303, the two sealing gaskets 303 are respectively and fixedly arranged on the upper end and the lower end of the outer side surface of the sealing ring 301, the inner ring of the sealing ring 301 is sleeved on the outer side surface of the output shaft 2, the outer side surface of the sealing ring 301 is sleeved with a circular ring 701, the fixed block 302 is fixedly connected with the inner wall of the fixed groove 702, the sealing gasket 303 fixedly connected with one end of the outer side surface of the sealing ring 301 is matched with the sealing ring 301, so that the internal sealing effect of the equipment is greatly improved, the sealing gasket 303 fixedly connected with the other end of the sealing ring 301 is matched with the sealing ring 301, so that the sealing effect outside the equipment is greatly improved, and the probability that external dust and other substances enter the interior to block the operation of the motor rotor 1 is reduced.
The working principle of the output shaft oil seal for protecting the motor rotor is as follows:
when the sealing device is used, when the motor rotor 1 rotates, the sealing ring 301 is sleeved on the output end of the output shaft 2 through the sleeve, the ring 701 is sleeved on the outer side surface of the sealing ring 301, so that a sealing effect is achieved, the fixing block 302 fixedly installed on the outer side surface of the sealing ring 301 is arranged in the fixing groove 702 formed in the inner wall surface of the ring 701, the motor rotor 1 drives the ring 701 to rotate when rotating, the limiting ring 703 is fixedly installed at the upper end of the outer side surface of the ring 701 and is rotatably connected in the limiting groove, the motor rotor 1 can limit the moving position of the motor rotor 1 when rotating under the conditions of vibration and the like, the motor rotor 1 cannot shake to impact the inside of a shell to damage and the like, the outer ring of the fixing ring 704 is fixedly connected in the circular groove 6 formed in the motor upper cover 4, the motor rotor 1 and the motor upper cover 4 are in a sealing state, and the sealing pad 303 fixedly connected with one end of the outer side surface of the sealing ring 301 is matched with the sealing ring 301, so that the sealing effect of the sealing device is great Greatly improve, cooperate with sealing washer 301 through sealing washer 303 of sealing washer 301 other end fixed connection and make the outside sealed effect of equipment promote greatly to reduce the inside probability that hinders electric motor rotor 1 operation of material such as external dust gets into.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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 utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a protection electric motor rotor's output shaft oil blanket, includes electric motor rotor (1), its characterized in that: the motor rotor is characterized in that an output shaft (2) is fixedly connected to the upper end of a motor rotor (1), a motor upper cover (4) is arranged on the upper side of the output shaft (2), a circular groove (6) is formed in the motor upper cover (4) in a penetrating mode, a boss (5) is fixedly connected to the lower end of the outer side surface of the output shaft (2), a sealing device (3) is connected to the outer side surface of the output shaft (2), a limiting device (7) is connected to the outer side of the sealing device (3), and the limiting device (7) is connected to the circular groove (6).
2. An output shaft oil seal for protecting a rotor of an electric motor according to claim 1, wherein: the limiting device (7) comprises a circular ring (701), a fixing groove (702), a limiting ring (703), a fixing ring (704) and a limiting groove (705), and the outer side surface of the fixing ring (704) is fixedly connected with the inner wall of the circular groove (6).
3. An output shaft oil seal for protecting a rotor of an electric motor according to claim 2, wherein: the upper end of the inner wall of the fixing ring (704) is provided with a limiting groove (705), and the inner wall of the fixing ring (704) is rotatably connected with a circular ring (701).
4. An output shaft oil seal for protecting a rotor of an electric motor according to claim 3, wherein: the upper end of the outer side surface of the circular ring (701) is fixedly connected with a limiting ring (703), and the size and the shape of the limiting ring (703) are the same as those of the limiting groove (705).
5. An output shaft oil seal for protecting a rotor of an electric motor according to claim 4, wherein: the limiting ring (703) is movably connected in the inner wall of the limiting groove (705), and the inner wall of the circular ring (701) is provided with a fixing groove (702).
6. An output shaft oil seal for protecting a rotor of an electric motor according to claim 1, wherein: sealing device (3) include sealing washer (301), fixed block (302) and sealed pad (303), the outside fixed surface of sealing washer (301) installs fixed block (302), the upper and lower both ends of sealing washer (301) all are equipped with a sealed pad (303).
7. An output shaft oil seal for protecting a rotor of an electric motor according to claim 6, wherein: two sealed pad (303) fixed mounting is at the upper and lower both ends on sealing washer (301) outside surface respectively, the outside surface of output shaft (2) is established to the inner circle cover of sealing washer (301), the outside surface cover of sealing washer (301) is equipped with ring (701), fixed block (302) fixed connection is in fixed slot (702) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445713.0U CN215720806U (en) | 2021-06-28 | 2021-06-28 | Output shaft oil seal for protecting motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445713.0U CN215720806U (en) | 2021-06-28 | 2021-06-28 | Output shaft oil seal for protecting motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720806U true CN215720806U (en) | 2022-02-01 |
Family
ID=80045538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121445713.0U Active CN215720806U (en) | 2021-06-28 | 2021-06-28 | Output shaft oil seal for protecting motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720806U (en) |
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2021
- 2021-06-28 CN CN202121445713.0U patent/CN215720806U/en active Active
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