CN219938082U - Bearing bush motor protection device - Google Patents
Bearing bush motor protection device Download PDFInfo
- Publication number
- CN219938082U CN219938082U CN202321618897.5U CN202321618897U CN219938082U CN 219938082 U CN219938082 U CN 219938082U CN 202321618897 U CN202321618897 U CN 202321618897U CN 219938082 U CN219938082 U CN 219938082U
- Authority
- CN
- China
- Prior art keywords
- positioning
- positioning sleeve
- window
- bearing
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims 6
- 239000003921 oil Substances 0.000 description 11
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Abstract
The utility model relates to a bearing bush motor protection device which comprises a head bin shell and a tail bin shell, wherein a bearing and a positioning sleeve mechanism are sequentially sleeved on the tail bin shell, the inner side of the tail bin shell is connected with the outer side of the positioning sleeve mechanism, and the inner side of the positioning sleeve mechanism is connected with the outer side of the bearing.
Description
Technical Field
The utility model relates to the technical field of motor rotors, in particular to a bearing bush motor protection device.
Background
The bearing is a part for fixing and reducing the friction coefficient of load in the mechanical transmission process, the bearing is divided into a sliding bearing and a rolling bearing, the bearing bush is one kind of bearing, the sliding bearing has the oil-containing and wear-resistant functions, and the bearing bush is an important part of an automobile engine. The bearing bush of the engine is arranged on the engine body and the bearing seat, and the normal operation of the bearing is ensured by utilizing the lubrication of engine oil. The function of the bearing shell is to support the crankshaft (including the parts on the shaft) in rotational motion, maintain rotational accuracy, and reduce friction and wear between the shaft and the bearings. When the existing bearing bush motor stops moving, the rotor loses magnetism, a reverse thrust is formed to cause the rotor to collide with the bearing bush, so that the bearing bush is impacted by the rotor and the motor in a loss of magnetism idling state, and the working stability and the service life of the bearing bush are affected.
Disclosure of Invention
The utility model aims to provide a bearing bush motor protection device which aims to solve the problems in the background art.
In order to achieve the above purpose, the utility model provides a bearing bush motor protection device, which comprises a head bin shell and a tail bin shell, wherein a bearing and a positioning sleeve mechanism are sleeved on the tail bin shell in sequence, the inner side of the tail bin shell is connected with the outer side of the positioning sleeve mechanism, and the inner side of the positioning sleeve mechanism is connected with the outer side of the bearing.
Preferably, the positioning sleeve mechanism comprises a first positioning sleeve and a second positioning sleeve, and the outer wall of the first positioning sleeve is matched with the outer wall of the second positioning sleeve in size.
Preferably, the first positioning sleeve is of an inner cone shape, the second positioning sleeve is of an outer cone shape, a cavity capable of accommodating the first positioning sleeve is formed in the second positioning sleeve, and the outer wall of the first positioning sleeve is attached to the inner wall of the second positioning sleeve.
Preferably, the outer surface of the head bin shell is provided with a positioning window, a positioning sheet, a visit window and an oil injection nozzle, the positioning sheet is arranged on one side of the positioning window, the visit window is arranged on the other side of the positioning window, and the oil injection nozzle is arranged on one side of the visit window.
Preferably, a detection window cover is arranged on the upper surface of the detection window.
Preferably, one end of the head bin shell is provided with a positioning screw hole.
Preferably, an oil seal is arranged on the outer side of the bearing.
Compared with the prior art, the utility model has the beneficial effects that:
the second locating sleeve is inwards pushed in to generate relative force to match with the bearing for locating when the first locating sleeve is outwards pushed out, so that the bearing bush cannot be outwards moved to impact in the shutdown process of the motor rotor, and the stability and the service life of the device are guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of an explosive structure according to the present utility model.
The meaning of each reference sign in the figure is: 1. a head cartridge housing; 2. a tail bin housing; 3. a bearing; 4. a positioning sleeve mechanism; 401. a first positioning sleeve; 402. a second positioning sleeve; 5. positioning a window; 6. a positioning sheet; 7. a visit window; 8. a window cover; 9. an oil filling nozzle; 10. positioning screw holes; 11. and (3) oil sealing.
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.
Referring to fig. 1-2, the present embodiment provides a bearing bush motor protection device, which includes a head bin shell 1 and a tail bin shell 2, wherein a bearing 3 and a positioning sleeve mechanism 4 are sequentially sleeved on the tail bin shell 2, the inner side of the tail bin shell 2 is connected with the outer side of the positioning sleeve mechanism 4, and the inner side of the positioning sleeve mechanism 4 is connected with the outer side of the bearing 3.
In the embodiment of the present utility model, the positioning sleeve mechanism 4 includes a first positioning sleeve 401 and a second positioning sleeve 402, and the outer wall of the first positioning sleeve 401 is matched with the outer wall of the second positioning sleeve 402 in size.
In the embodiment of the utility model, the first positioning sleeve 401 is of an inner cone shape, the second positioning sleeve 402 is of an outer cone shape, a cavity capable of accommodating the first positioning sleeve 401 is formed in the second positioning sleeve 402, the outer wall of the first positioning sleeve 401 is attached to the inner wall of the second positioning sleeve 402, the rotor loses magnetism when the motor stops, at the moment, the second positioning sleeve 402 is pushed inwards to generate opposite force to match with the bearing 3 for positioning when the first positioning sleeve 401 is pushed outwards, and the bearing bush cannot be impacted outwards in the stopping process of the motor rotor to damage the stability and the service life of the device.
In the embodiment of the utility model, the outer surface of the head bin shell 1 is provided with a positioning window 5, a positioning sheet 6, a looking-up window 7 and an oil injection nozzle 9, the positioning sheet 6 is arranged on one side of the positioning window 5, the looking-up window 7 is arranged on the other side of the positioning window 5, the oil injection nozzle 9 is arranged on one side of the looking-up window 7, and the rotor and the bearing bush are assembled together through the positioning window 5 and the positioning sheet 6, so that the reference positioning function is realized.
In the embodiment of the utility model, the upper surface of the exploratory window 7 is provided with an exploratory window cover 8, and the position of the bearing bush is conveniently observed and adjusted through the exploratory window cover 8.
In the embodiment of the utility model, one end of the head bin shell 1 is provided with a positioning screw hole 10, and the bearing bush is prevented from shaking by the cooperation of the positioning screw hole 10 and the motor.
In the embodiment of the utility model, the outer side of the bearing 3 is provided with an oil seal 11, and the oil seal 11 ensures the sealing performance of the rotor at high rotation speed.
Working principle: the rotor and the bearing bush are assembled together through the positioning window and the positioning sheet, the function of reference positioning is achieved, the positioning screw hole is matched with the motor to prevent the bearing bush from shaking, the rotor loses magnetism when the motor stops, the second positioning sleeve is pushed inwards to produce relative force to match with the bearing for positioning when the first positioning sleeve is pushed outwards, the bearing bush cannot be moved outwards to impact the bearing bush to damage the stability and the service life of the device in the stopping process of the motor rotor, and the oil seal ensures the sealing performance of the rotor at high rotating speed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and 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 axle bush motor protection device, includes head storehouse shell and tail storehouse shell, its characterized in that: the tail bin shell is sequentially sleeved with a bearing and a positioning sleeve mechanism, the inner side of the tail bin shell is connected with the outer side of the positioning sleeve mechanism, and the inner side of the positioning sleeve mechanism is connected with the outer side of the bearing.
2. A bushing motor protector as set forth in claim 1 wherein: the positioning sleeve mechanism comprises a first positioning sleeve and a second positioning sleeve, and the outer wall of the first positioning sleeve is matched with the outer wall of the second positioning sleeve in size.
3. A bushing motor protector as set forth in claim 2 wherein: the first locating sleeve is of an inner cone shape, the second locating sleeve is of an outer cone shape, a cavity capable of accommodating the first locating sleeve is formed in the second locating sleeve, and the outer wall of the first locating sleeve is attached to the inner wall of the second locating sleeve.
4. A bushing motor protector as set forth in claim 1 wherein: the outer surface of the head bin shell is provided with a positioning window, a positioning sheet, a visit window and an oil injection nozzle, the positioning sheet is arranged on one side of the positioning window, the visit window is arranged on the other side of the positioning window, and the oil injection nozzle is arranged on one side of the visit window.
5. A bushing motor protector as set forth in claim 4 wherein: and a detection window cover is arranged on the upper surface of the detection window.
6. A bushing motor protector as set forth in claim 1 wherein: one end of the head bin shell is provided with a positioning screw hole.
7. A bushing motor protector as set forth in claim 1 wherein: and an oil seal is arranged on the outer side of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618897.5U CN219938082U (en) | 2023-06-25 | 2023-06-25 | Bearing bush motor protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618897.5U CN219938082U (en) | 2023-06-25 | 2023-06-25 | Bearing bush motor protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219938082U true CN219938082U (en) | 2023-10-31 |
Family
ID=88498386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618897.5U Active CN219938082U (en) | 2023-06-25 | 2023-06-25 | Bearing bush motor protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219938082U (en) |
-
2023
- 2023-06-25 CN CN202321618897.5U patent/CN219938082U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |