CN204985291U - Antiwear motor shaft - Google Patents
Antiwear motor shaft Download PDFInfo
- Publication number
- CN204985291U CN204985291U CN201520726589.3U CN201520726589U CN204985291U CN 204985291 U CN204985291 U CN 204985291U CN 201520726589 U CN201520726589 U CN 201520726589U CN 204985291 U CN204985291 U CN 204985291U
- Authority
- CN
- China
- Prior art keywords
- shaft part
- shaft
- jump ring
- jump
- motor
- 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
Abstract
The utility model discloses an antiwear motor shaft, including the axle body body, the axle body body is including stretching out the first shaft part of motor shell's outside, be used for overlapping the second shaft part of establishing a porous bearings, establish notched third shaft part along axle body body length direction on the outer wall, it establishes electric motor rotor's fourth shaft part and is used for the cover and establish the 2nd porous bearings the 5th shaft part to be used for the cover, be equipped with the first jump ring groove that is used for placing the jump ring between third shaft part and the fourth shaft part, be equipped with the second jump ring groove that is used for placing the jump ring between fourth shaft part and the 5th shaft part, recess intercommunication second shaft part and first jump ring groove, compared with the prior art, the utility model discloses the motor shaft also makes lubricating oil to soak into the jump ring groove by the sufficient lubrication through setting up recess intercommunication jump ring groove and overlap the shaft part that is equipped with porous bearings on the axle body in the time of the meshing connection piece, prevent the jump ring wearing and tearing to the heat in the jump ring groove is removed to even loosing, prevents that the motor shaft from being burnt out, simple structure, convenient and practical.
Description
Technical field
The utility model relates to technical field of motors, and more particularly, it relates to a kind of antiwear motor shaft.
Background technique
In life, motor uses very extensive, also more and more higher to the requirement of motor shaft, rotor is set on motor shaft, its two ends adopt jump ring to carry out spacing to it, prevent rotor along the axial motion of motor shaft, secondly, for some micro-machines, in order to reduce the vibration of motor in operation process and noise, bearing in order to support motor axle generally adopts oil-impregnated bearing, oil-impregnated bearing is a kind of is main raw material with metallic dust, the cavernous sintering body utilizing powder metallurgic method to make, before use, oil-impregnated bearing is immersed in lubricant oil a period of time, lubricant oil enters into the hole of bearing, in motor operation course, lubricant oil flows out from hole, lubricant oil need not be added again, when motor stalling, lubricant oil is got back to again in hole, lubricant oil also serves good thermolysis while lubrication, prevent the heat on motor shaft somewhere assemble burn out rotor core or motor shaft, existing motor shaft, in order to better and rotor engagement, prevent rotor from skidding in rotation process, usually double wedge is set on the surface of motor shaft, but, if this motor shaft in use for some time rotor is burned, be difficult to rotor to extract from motor shaft, again, jump ring and motor shaft relatively rotate, not only easily wear and tear motor shaft, also a large amount of heats can be produced during friction, damage motor shaft, this partial heat is needed to scatter.
Model utility content
For the problem in practice, the utility model proposes a kind of antiwear motor shaft, concrete scheme is as follows:
A kind of antiwear motor shaft, comprise axle body body, described axle body body comprises the identical outside reaching motor case of diameter in order to connect the first shaft part of external drive parts, in order to the second shaft part of sheathed first oil-impregnated bearing, outer wall establishes reeded 3rd shaft part along axle body body length direction, in order to the connecting sheet of sheathed connection rotor and axle body body, in order to the 4th shaft part of sheathed rotor and in order to sheathed second oil-impregnated bearing the 5th shaft part, described first, second, 3rd, 4th and the 5th shaft part is arranged in order and one forging molding, the first jump-ring slot for placing jump ring is provided with between described 3rd shaft part and the 4th shaft part, the second jump-ring slot for placing jump ring is provided with between described 4th shaft part and the 5th shaft part, described groove is communicated with the second shaft part and the first jump-ring slot.
Further, the quantity of described groove is 4 and axis around the 3rd shaft part is uniformly distributed.
Further, the bottom land of described groove is 90 ° and the side of its notch is provided with double wedge.
Further, described first shaft part is D type away from one end of the second shaft part.
Pass through technique scheme, after motor completes, being sheathed on first on the second shaft part flow in the first jump-ring slot containing the groove of lubricant oil on the 3rd shaft part contained in oil-impregnated bearing, outer wall due to the 3rd shaft part is arranged with the connecting sheet of a connection rotor and axle body body, described groove, especially double wedge is set in the side of slot opening, the 3rd shaft part can be made better to engage with connecting sheet, the rotation of rotor is changed into the rotation of motor shaft, prevent motor shaft from relatively rotating relative to rotor, first flow in the first jump-ring slot containing the lubricant oil in bearing along the gap between connecting sheet and groove, lubrication jump ring and the first jump-ring slot, even heat in first jump-ring slot is passed on the outer wall of whole first jump-ring slot simultaneously, prevent motor shaft from deforming because of heat accumulation.
By the diameter of each shaft part being done identical setting and the quantity of groove is set to 4, after rotor is damaged, rotor can be taken off more easily from motor bar, facilitating the maintenance in later stage.
By the first shaft part is arranged to D type away from one end of the second shaft part, motor shaft can be matched better with some transmission paries of outside.
Compared with prior art, the antiwear motor shaft of the utility model is communicated with jump-ring slot and the shaft part being arranged with oil-impregnated bearing by arranging groove on axle body, being connected with a joggle while sheet also makes lubricant oil sufficient lubrication can infiltrate jump-ring slot, prevent jump-ring slot from wearing and tearing, and it is evenly loose except the heat in jump-ring slot, prevent motor shaft to be burned, structure is simple, convenient and practical.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the antiwear motor shaft of the utility model;
Fig. 2 is the sectional view along A-A in Fig. 1;
Fig. 3 the utility model motor shaft is assembled to the schematic diagram in motor.
Accompanying drawing mark: 1, axle body body, the 2, first shaft part, the 3, second shaft part, 4, the 3rd shaft part, the 5, the 4th shaft part, the 6, the 5th shaft part, 7, the first oil-impregnated bearing, the 8, second oil-impregnated bearing, the 9, first jump-ring slot, 10, the second jump-ring slot, 11, groove, 12, connecting sheet, 13, rotor, 14, double wedge, 15, motor housing, 16, jump ring.
Embodiment
Be described further with reference to Fig. 1-3 couples of the utility model embodiments.
A kind of antiwear motor shaft, comprise axle body body 1, axle body body 1 comprises the identical outside reaching motor case of diameter in order to connect the first shaft part 2 of external drive parts, in order to the second shaft part 3 of sheathed first oil-impregnated bearing 7, outer wall is provided with the 3rd shaft part 4 of groove 11 along axle body body 1 length direction, in order to the connecting sheet 12 of sheathed connection rotor 13 with axle body body 1, in order to the 4th shaft part 5 of sheathed rotor 13 and in order to sheathed second oil-impregnated bearing 8 the 5th shaft part 6, first, second, 3rd, 4th and the 5th shaft part 6 is arranged in order and one forging molding, the first jump-ring slot 9 for placing jump ring is provided with between 3rd shaft part 4 and the 4th shaft part 5, the second jump-ring slot 10 for placing jump ring is provided with between 4th shaft part 5 and the 5th shaft part 6, groove 11 is communicated with the second shaft part 3 and the first jump-ring slot 9.
Further, the quantity of groove 11 is 4 and axis around the 3rd shaft part 4 is uniformly distributed, and the bottom land of groove 11 is 90 ° and the side of its notch is provided with double wedge 14, and the first shaft part 2 is D type away from one end of the second shaft part 3.
Describe in detail, the design parameter of above-mentioned motor shaft is as follows:
Axle body body 1 length is 85.1mm, the diameter of each shaft part is 8.0mm, the length of the first shaft part 2 is 25.5mm, the length of the second shaft part 3 is 11.5mm, and the length of the 3rd shaft part 4 is 2.5mm, and the length of the 4th shaft part 5 is 38.1mm, the length of the 5th shaft part 6 is 7.5mm, the width of first and second jump-ring slot 10 is 0.9mm, and the degree of depth is 1.0mm, and the double wedge 14 of groove 11 opening side is highly 0.1mm.
The two ends of the axle body body 1 of motor shaft are respectively equipped with lead angle, and the lead angle parameter be positioned on the first shaft part 2 is 1.0*45 °, and the lead angle parameter be positioned on the 5th shaft part 6 is 0.5*45 °,
The installation method of the utility model motor shaft is as follows:
The outer wall of the second shaft part 3 and the 5th shaft part 6 is arranged with respectively the first oil-impregnated bearing 7 and the second oil-impregnated bearing 8, first and second oil-impregnated bearing 8 is embedded in motor housing 15, the outer wall that rotor 13 is sheathed on the 4th shaft part 5 is connected with axle body body 1 by connecting sheet 12, in the first jump-ring slot 9 and the second jump-ring slot 10, is provided with jump ring 16 in order to prevent rotor 13 along motor shaft axial motion.
The working principle of the antiwear motor shaft of the utility model is as follows:
After motor completes, being sheathed on first on the second shaft part 3 flow in the first jump-ring slot 9 containing the groove 11 of lubricant oil on the 3rd shaft part 4 contained in oil-impregnated bearing, outer wall due to the 3rd shaft part 4 is arranged with the connecting sheet 12 of a connection rotor 13 and axle body body 1, groove 11, especially double wedge 14 is set in the side of groove 11 opening, the 3rd shaft part 4 can be made better to engage with connecting sheet 12, the rotation of rotor is changed into the rotation of motor shaft, prevent motor shaft from relatively rotating relative to rotor, first flow in the first jump-ring slot 9 containing the lubricant oil in bearing along the gap between connecting sheet 12 and groove 11, lubrication jump ring 16 and the first jump-ring slot 9, even heat in first jump-ring slot 9 is passed on the outer wall of whole first jump-ring slot 9 simultaneously, prevent motor shaft from deforming because of heat accumulation, by the diameter of each shaft part being done identical setting and the quantity of groove 11 is set to 4, after rotor 13 is damaged, rotor 13 can be taken off more easily from motor bar, facilitate the maintenance in later stage, by the first shaft part 2 is arranged to D type away from one end of the second shaft part 3, motor shaft can be matched with some transmission paries of outside better.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an antiwear motor shaft, comprises axle body body, it is characterized in that: described axle body body comprises
First shaft part, reaches the outside of motor case in order to connect outside driver part;
Second shaft part, in order to sheathed first oil-impregnated bearing;
3rd shaft part, its outer wall is provided with groove along the length direction of axle body body, in order to the connecting sheet of sheathed connection rotor and axle body body;
4th shaft part, in order to sheathed rotor;
5th shaft part, in order to sheathed second oil-impregnated bearing;
Described first, second, third, fourth and the 5th shaft section diameter size identical and be arranged in order and one forging molding, the first jump-ring slot for placing jump ring is provided with between described 3rd shaft part and the 4th shaft part, be provided with the second jump-ring slot for placing jump ring between described 4th shaft part and the 5th shaft part, described groove is communicated with the second shaft part and the first jump-ring slot.
2. antiwear motor shaft according to claim 1, is characterized in that: the quantity of described groove is 4 and axis around the 3rd shaft part is uniformly distributed.
3. antiwear motor shaft according to claim 2, is characterized in that: the bottom land of described groove is 90 ° and the side of its notch is provided with double wedge.
4. antiwear motor shaft according to claim 1, is characterized in that: described first shaft part is D type away from one end of the second shaft part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726589.3U CN204985291U (en) | 2015-09-18 | 2015-09-18 | Antiwear motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726589.3U CN204985291U (en) | 2015-09-18 | 2015-09-18 | Antiwear motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985291U true CN204985291U (en) | 2016-01-20 |
Family
ID=55119664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520726589.3U Expired - Fee Related CN204985291U (en) | 2015-09-18 | 2015-09-18 | Antiwear motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475375A (en) * | 2016-12-06 | 2017-03-08 | 德阳瀚枫科技有限公司 | A kind of inner-walls of duct washer |
-
2015
- 2015-09-18 CN CN201520726589.3U patent/CN204985291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475375A (en) * | 2016-12-06 | 2017-03-08 | 德阳瀚枫科技有限公司 | A kind of inner-walls of duct washer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204042389U (en) | A kind of lubricating fitting for bearing | |
| CN204985291U (en) | Antiwear motor shaft | |
| CN202914676U (en) | Gearbox sun wheel | |
| CN205669495U (en) | A kind of oil-immersed pump | |
| CN203926427U (en) | A kind of bearing self-lubricating structure | |
| CN204127288U (en) | Vertical type speed reducer (change gear) bearing lubrication structure and vertical type speed reducer (change gear) | |
| CN205639307U (en) | Shaft sleeve | |
| CN201739483U (en) | Planetary gear rotation lubrication structure | |
| CN205242054U (en) | Automatic rotating shuttle axle construction and embroidery machine rotating shuttle case that refuel | |
| CN204025597U (en) | Novel herring bone cylindrical gears | |
| CN204739193U (en) | Planetary reducer's planetary gear structure | |
| CN103398018A (en) | Slurry pump bearing lubrication system using both lubricating grease and thin oil | |
| CN201661604U (en) | Bearing bush suitable for electrical starting gear | |
| CN206000864U (en) | A kind of reinforcement axle sleeve | |
| CN203491834U (en) | Easy-to-maintain variable-frequency speed control induction motor | |
| CN205918882U (en) | Oil groove is led in lubrication of gearbox declutch shift shaft | |
| CN201599230U (en) | Novel bearing gland with sealing function | |
| CN204533441U (en) | The chain gear apparatus of convenient lubrication | |
| CN206016698U (en) | The online care device of oil pumping driver drilling rod | |
| CN203926349U (en) | A kind of rotor axis of electric | |
| CN210769851U (en) | Powder metallurgy formed lubricating type oil-retaining bearing | |
| CN212775141U (en) | Connecting device of connecting rod mechanism of carding machine | |
| CN204213181U (en) | A kind of oil-impregnated bearing holding grease | |
| CN102562805A (en) | Shaft sleeve | |
| CN205998537U (en) | Oil expression production line leaches wet dregs of rice feeding scraper plate head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160918 |