CN223246381U - A waterproof motor for cleaning machine - Google Patents
A waterproof motor for cleaning machineInfo
- Publication number
- CN223246381U CN223246381U CN202422494078.5U CN202422494078U CN223246381U CN 223246381 U CN223246381 U CN 223246381U CN 202422494078 U CN202422494078 U CN 202422494078U CN 223246381 U CN223246381 U CN 223246381U
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- CN
- China
- Prior art keywords
- bearing chamber
- motor
- cleaning machine
- bearing
- sealing ring
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Abstract
本实用新型公开了一种用于清洁机的防水电机，包括设有轴承室的电机壳体，电机轴通过轴承与轴承室进行可相对转动的安装连接；电机轴贯穿轴承室向外延伸与动叶轮固定安装连接；其中，轴承室的外端设有套设在电机轴外周的密封圈，密封圈与轴承间隙配合，且位于轴承室与动叶轮之间；轴承室的外端设有槽口，靠近轴承室的密封圈端部设有与槽口对应密封嵌装配合的凸起；本实用新型可以避免轴承室外部的水汽进入电机内部对轴承造成损坏，当电机处于高速旋转工作时，仍然可以稳定可靠地满足良好的密封要求，确保其应用的清洁机的使用寿命。
The utility model discloses a waterproof motor for a cleaning machine, comprising a motor housing provided with a bearing chamber, wherein the motor shaft is rotatably mounted and connected to the bearing chamber via a bearing; the motor shaft passes through the bearing chamber and extends outwardly to be fixedly mounted and connected to a moving impeller; wherein, the outer end of the bearing chamber is provided with a sealing ring sleeved on the outer periphery of the motor shaft, the sealing ring is clearance-matched with the bearing and is located between the bearing chamber and the moving impeller; the outer end of the bearing chamber is provided with a notch, and the end of the sealing ring close to the bearing chamber is provided with a protrusion that is sealingly fitted with the notch; the utility model can prevent water vapor outside the bearing chamber from entering the interior of the motor and causing damage to the bearing, and when the motor is in high-speed rotation, it can still stably and reliably meet good sealing requirements, thereby ensuring the service life of the cleaning machine to which it is applied.
Description
Technical Field
The utility model belongs to the field of cleaning machines, and particularly relates to a waterproof motor for a cleaning machine.
Background
With the diversification of the use scenes of household appliances, higher requirements are put on the waterproof performance of the motor of a cleaner (commonly known as a 'floor washer'). The current products on the market adopt oil seal, shaft seal or sealing ring and other structural schemes to ensure the waterproof performance of the motor for the cleaning machine. However, the sealing structures such as oil seals, shaft seals or sealing rings have the defect of short service life, and the motor of the cleaning machine is usually in a high-speed rotation state during working, so that the service life of the cleaning machine is seriously influenced by the current sealing structure.
Accordingly, the applicant has sought to solve the above technical problems.
Disclosure of Invention
Therefore, the utility model aims to provide a waterproof motor for a cleaning machine, which can prevent water vapor outside a bearing chamber from entering the motor to damage the bearing, and can still stably and reliably meet good sealing requirements when the motor is in high-speed rotation operation, so that the service life of the cleaning machine for application of the waterproof motor is ensured.
The technical scheme adopted by the utility model is as follows:
A waterproof motor for a cleaning machine comprises a motor shell provided with a bearing chamber, wherein a motor shaft is in relative rotation installation connection with the bearing chamber through a bearing, the motor shaft penetrates through the bearing chamber to extend outwards and is fixedly installed and connected with a movable impeller,
The outer end of the bearing chamber is provided with a sealing ring sleeved on the periphery of the motor shaft, and the sealing ring is in clearance fit with the bearing and is positioned between the bearing chamber and the movable impeller;
the outer end of the bearing chamber is provided with a notch, and the end part of the sealing ring, which is close to the bearing chamber, is provided with a bulge which is correspondingly sealed, embedded and matched with the notch.
Preferably, sealing grease is stored in the notch in advance, wherein after the notch is matched with the corresponding protrusion in an embedded manner, the sealing grease fills an embedded gap between the sealing ring and the bearing chamber.
Preferably, the bearing chamber is in clearance fit with the outer periphery of the bearing.
Preferably, the number of the notches is 2-4, and a plurality of protrusions which are in one-to-one corresponding embedding fit with the notches are arranged at the end part of the sealing ring close to the bearing chamber.
Preferably, the outer end of the bearing chamber is fixedly provided with a fixed impeller, and the fixed impeller is sleeved on the periphery of the sealing ring.
Preferably, the periphery of the end part of the sealing ring far away from the bearing chamber is provided with a back-off groove, and the inner periphery of the fixed impeller is in sealing fit with the back-off groove.
Preferably, sealing grease is pre-stored in the back-off groove, wherein after the back-off groove is matched with the inner Zhou Qianzhuang of the stator, the sealing grease fills an embedded gap between the sealing ring and the stator.
Preferably, the inner periphery of the fixed impeller is provided with an inverted convex edge which is correspondingly embedded and matched with the inverted groove.
Preferably, the bearing chamber is located at one end of the motor housing and is an integrally machined structure of the motor housing.
Preferably, a rotor assembly fixedly installed with the motor shaft and a stator assembly positioned at the periphery of the rotor assembly are arranged in the motor housing.
The application provides a motor shell provided with a bearing chamber, and then a sealing ring which is sealed and embedded with the outer end of the bearing chamber in a notch-bulge mode is arranged, the sealing structure can prevent water vapor outside the bearing chamber from entering the motor to damage the bearing, and when the motor is in high-speed rotation operation, the motor can still stably and reliably meet good sealing requirements, so that the service life of a cleaning machine applied by the motor is ensured.
Drawings
Fig. 1 is a schematic structural view of a waterproof motor according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 rotated by a certain angle;
FIG. 3 is a cross-sectional view of FIG. 2 in the direction E-E;
FIG. 4 is an exploded view of FIG. 1;
Fig. 5 is a schematic structural view of a seal ring according to an embodiment of the present utility model.
Detailed Description
The embodiment of the utility model discloses a waterproof motor for a cleaning machine, which comprises a motor shell provided with a bearing chamber, wherein a motor shaft is in relative rotation installation connection with the bearing chamber through a bearing, the motor shaft penetrates through the bearing chamber to extend outwards and is fixedly installed and connected with a movable impeller, a sealing ring sleeved on the periphery of the motor shaft is arranged at the outer end of the bearing chamber, the sealing ring is in clearance fit with the bearing and is positioned between the bearing chamber and the movable impeller, a notch is arranged at the outer end of the bearing chamber, and a bulge which is in corresponding sealing fit with the notch is arranged at the end part of the sealing ring close to the bearing chamber.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Referring to fig. 1, 2, 3 and 4 in combination with fig. 5, a waterproof motor for a cleaning machine comprises a motor housing 2 provided with a bearing chamber 1, a motor shaft 3 is rotatably connected with the bearing chamber 1 through a bearing 4, a sealing ring 5 sleeved on the periphery of the motor shaft 3 is arranged at the outer end of the bearing chamber 1, the sealing ring 5 is in clearance fit with the bearing 4 and is positioned between the bearing chamber 1 and a movable impeller 6 (the periphery of the movable impeller 6 is provided with a movable impeller housing 10 fixedly connected with the motor housing 2);
Preferably, in the present embodiment, the bearing chamber 1 is positioned at one end of the motor housing 2 and is an integral processing structure of the motor housing 2, preferably, in the present embodiment, a rotor assembly fixedly installed with the motor shaft 3 and a stator assembly magnetically coupled with the rotor assembly are arranged inside the motor housing 2;
It should be noted that, the sealing ring 5 according to the present embodiment may be a rubber member, an injection molding member, or a metal member, which is not particularly limited in the present embodiment;
In the embodiment, the outer end of the bearing chamber 1 is provided with a notch 11, the end part of the sealing ring 5 close to the bearing chamber 1 is provided with a bulge 51 which is matched with the notch 11 in a sealing embedding way, preferably, in the embodiment, sealing grease (not shown) is stored in the notch 51 in advance, wherein after the notch 11 is matched with the bulge 51 corresponding to the notch in an embedding way, the sealing grease fills an embedding gap between the sealing ring 5 and the bearing chamber 1 to realize a very reliable and stable sealing effect, and further preferably, in the embodiment, the number of the notches 11 is 2-4 (2 are shown), and the end part of the sealing ring 5 close to the bearing chamber 1 is provided with a plurality of bulges 51 (2 are shown) which are matched with the notches 11 in a one-to-one correspondence way;
Preferably, in order to further ensure the sealing effect, sealing grease in the embedding gap between the sealing ring 5 and the bearing chamber 1 is prevented from being thrown out by high-speed centrifugal force during high-speed operation, in the embodiment, the periphery of the end part of the sealing ring 5 far away from the bearing chamber 1 is provided with a back-off groove 52, the inner periphery of the fixed impeller 7 is in sealing embedding fit with the back-off groove 52, further preferably, the back-off groove 52 is pre-stored with the sealing grease, wherein after the back-off groove 52 is matched with the inner Zhou Qianzhuang of the fixed impeller 7, the sealing grease fills the embedding gap between the sealing ring 5 and the fixed impeller 7, and the inner periphery of the fixed impeller 7 is provided with a back-off convex edge 71 which is in corresponding embedding fit with the back-off groove 52.
The embodiment proposes to set up the bearing room 1 that an organic whole was processed and forms on motor housing 2, then set up and carry out sealing inlay's sealing washer 5 with the outer end of bearing room 1 in notch-bellied form, this seal structure can avoid the outside steam of bearing room 1 to get into inside the motor and cause the damage to bearing 4, when the motor is in high-speed rotatory during operation, still can satisfy good sealing requirement reliably and stably, ensure the life of the cleaning machine of its application.
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 includes only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments may be suitably combined to form other embodiments as would be understood by those skilled in the art.
Claims (10)
1. A waterproof motor for a cleaning machine is characterized by comprising a motor shell provided with a bearing chamber, wherein a motor shaft is in relative rotation installation connection with the bearing chamber through a bearing, the motor shaft penetrates through the bearing chamber to extend outwards and is fixedly installed and connected with a movable impeller,
The outer end of the bearing chamber is provided with a sealing ring sleeved on the periphery of the motor shaft, and the sealing ring is in clearance fit with the bearing and is positioned between the bearing chamber and the movable impeller;
the outer end of the bearing chamber is provided with a notch, and the end part of the sealing ring, which is close to the bearing chamber, is provided with a bulge which is correspondingly sealed, embedded and matched with the notch.
2. The waterproof motor for a cleaning machine according to claim 1, wherein sealing grease is stored in the notch in advance, wherein the sealing grease fills an insertion gap between the seal ring and the bearing chamber after the notch is inserted and fitted with the corresponding protrusion.
3. The waterproof motor for a cleaning machine according to claim 1, wherein the bearing chamber is fitted with a clearance fit to the outer periphery of the bearing.
4. The waterproof motor for the cleaning machine according to claim 1, wherein the number of the notches is 2-4, and a plurality of protrusions which are in one-to-one embedded fit with the notches are arranged at the end part of the sealing ring close to the bearing chamber.
5. The waterproof motor for a cleaning machine according to claim 1, wherein a fixed impeller is fixedly arranged at the outer end of the bearing chamber, and the fixed impeller is sleeved on the periphery of the sealing ring.
6. The waterproof motor for a cleaning machine according to claim 5, wherein an inverted groove is formed in the outer periphery of the end portion of the sealing ring away from the bearing chamber, and the inner periphery of the stator impeller is in sealing fit with the inverted groove.
7. The waterproof motor for a cleaning machine according to claim 6, wherein sealing grease is pre-stored in the back-off groove, wherein the sealing grease fills the fit-in gap between the seal ring and the stator after the back-off groove is mated with the inner Zhou Qianzhuang of the stator.
8. The waterproof motor for the cleaning machine according to claim 6, wherein the inner periphery of the stator impeller is provided with an inverted convex edge which is correspondingly embedded and matched with the inverted groove.
9. The waterproof motor for a cleaning machine according to claim 1, wherein the bearing chamber is located at one end of the motor housing and is an integrally machined structure of the motor housing.
10. The waterproof motor for a cleaning machine according to claim 1, wherein a rotor assembly integrally fixed to the motor shaft and a stator assembly located at an outer periphery of the rotor assembly are provided inside the motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422494078.5U CN223246381U (en) | 2024-10-15 | 2024-10-15 | A waterproof motor for cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422494078.5U CN223246381U (en) | 2024-10-15 | 2024-10-15 | A waterproof motor for cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223246381U true CN223246381U (en) | 2025-08-19 |
Family
ID=96725354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422494078.5U Active CN223246381U (en) | 2024-10-15 | 2024-10-15 | A waterproof motor for cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223246381U (en) |
-
2024
- 2024-10-15 CN CN202422494078.5U patent/CN223246381U/en active Active
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