CN204046311U - The rotary seal mechanism of electric motor end cap and rotating shaft - Google Patents
The rotary seal mechanism of electric motor end cap and rotating shaft Download PDFInfo
- Publication number
- CN204046311U CN204046311U CN201420463228.XU CN201420463228U CN204046311U CN 204046311 U CN204046311 U CN 204046311U CN 201420463228 U CN201420463228 U CN 201420463228U CN 204046311 U CN204046311 U CN 204046311U
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- oil
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- end cap
- electric motor
- main shaft
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Abstract
The utility model belongs to motor device technical field, especially relates to the rotary seal mechanism of a kind of electric motor end cap and rotating shaft.It solve prior art and design the technical problems such as reasonable not.Axle sleeve is provided with in main shaft delivery outlet, axle sleeve and main shaft delivery outlet adapt, electric machine main shaft wears the axis hole of axle sleeve, the first ring-shaped step is provided with between main shaft delivery outlet outer end and axle sleeve, the high temperature resistant oil sealing that first ring-shaped step the inner is provided with, first ring-shaped step sidepiece of high temperature resistant oil sealing outer end offers the first oil-out, and electric motor end cap outer part offers the second oil-out, the first oil-out is communicated with by oil discharge passage with the second oil-out.Compared with prior art, the advantage of the rotary seal mechanism of this electric motor end cap and rotating shaft is: 1, reasonable in design, and structure is simple, extends motor useful life.2, accumulation oil near high temperature resistant oil sealing can be discharged in time, ensure that machine shaft normally works.3, high-temperature resistant result is good, not fragile.
Description
Technical field
The utility model belongs to motor device technical field, especially relates to the rotary seal mechanism of a kind of electric motor end cap and rotating shaft.
Background technology
Motor (motor) is a kind of equipment electric energy being converted to mechanical energy.It utilizes hot-wire coil (namely stator winding) to produce rotating magnetic field and act on rotor (as squirrel-cage closes aluminium frame) to form electro-magnetic motor force rotation torque.Motor is divided into DC motor and alternating current motor by use power supply difference, motor major part in electric power system is alternating current machine, can be synchronous machine or asynchronous machine (motor stator rotational speed of magnetic field and rotor rotary rpm do not keep synchronous speed).Motor forms primarily of stator and rotor, and the direction of electrified wire movement under force in magnetic field is relevant with magnetic induction line (magnetic direction) direction with the sense of current.Motor operation principle is magnetic field to the stressed effect of electric current, and motor is rotated.In the prior art, when motor stirs high temperature oil after installing blade, the oil of volatilization easily enters in motor by the gap between electric motor end cap and rotating shaft, and motor easily damages for a long time in the environment with volatile oil.
Such as, Chinese patent literature discloses a kind of rotation-prevention direct-connected type motor [application number: 200920039107.1], comprise the bearing of motor casing, motor shaft and fixed electrical machinery, motor shaft runs through motor casing, motor shaft external part cover has bump protection ring, and motor is fixed on bearing by bump protection ring, and described bearing has the Inner arc matched with bump protection ring outline, Inner arc is provided with a projection, and this projection is embedded into bump protection ring.
Although such scheme can use as stirring motor, still there is design reasonable not, the oil of volatilization is being easy to enter motor, causes the oil of volatilization to accumulate in motor, causes motor reduction in useful life even to damage.
Summary of the invention
The purpose of this utility model is for the problems referred to above, and provide a kind of reasonable in design, structure is simple, extends the electric motor end cap in motor useful life and the rotary seal mechanism of rotating shaft.
For achieving the above object, the utility model have employed following technical proposal: the rotary seal mechanism of this electric motor end cap and rotating shaft, comprise the electric motor end cap with main shaft delivery outlet, electric machine main shaft is equipped with in described main shaft delivery outlet, it is characterized in that, axle sleeve is provided with in described main shaft delivery outlet, described axle sleeve and main shaft delivery outlet adapt, described electric machine main shaft wears the axis hole of axle sleeve, the first ring-shaped step is provided with between described main shaft delivery outlet outer end and axle sleeve, first described ring-shaped step the inner is provided with the high temperature resistant oil sealing for gap between sealing axle sleeve and electric motor end cap, first ring-shaped step sidepiece of described high temperature resistant oil sealing outer end offers the first oil-out, described electric motor end cap outer part offers the second oil-out, the first described oil-out is communicated with by oil discharge passage with the second oil-out.
In the rotary seal mechanism of above-mentioned electric motor end cap and rotating shaft, the first described ring-shaped step outer end is provided with the second ring-shaped step, the diameter of the second described ring-shaped step is greater than the diameter of the first ring-shaped step, and the first described oil-out is arranged on the sidepiece of the second ring-shaped step.
In the rotary seal mechanism of above-mentioned electric motor end cap and rotating shaft, described main shaft delivery outlet the inner offers the 3rd ring-shaped step, has deep groove ball bearing at the 3rd ring-shaped step internal fixtion, and described electric machine main shaft is through the axis hole of deep groove ball bearing.
In the rotary seal mechanism of above-mentioned electric motor end cap and rotating shaft, described axle sleeve the inner is resisted against on deep groove ball bearing.
In the rotary seal mechanism of above-mentioned electric motor end cap and rotating shaft, described high temperature resistant oil sealing is made up of fluorubber.
In the rotary seal mechanism of above-mentioned electric motor end cap and rotating shaft, described axle sleeve is made up of any one material in iron or copper.
Compared with prior art, the advantage of the rotary seal mechanism of this electric motor end cap and rotating shaft is: 1, reasonable in design, and structure is simple, extends motor useful life.2, accumulation oil near high temperature resistant oil sealing can be discharged in time, ensure that machine shaft normally works.3, high-temperature resistant result is good, not fragile.
Accompanying drawing explanation
The structural representation that Fig. 1 provides for the utility model.
In figure, main shaft delivery outlet 1, electric motor end cap 2, electric machine main shaft 3, axle sleeve 4, high temperature resistant oil sealing 5, first ring-shaped step 11, first oil-out 111, second oil-out 112, oil discharge passage 113, second ring-shaped step 12, the 3rd ring-shaped step 13, deep groove ball bearing 131.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, the rotary seal mechanism of this electric motor end cap and rotating shaft, comprise the electric motor end cap 2 with main shaft delivery outlet 1, electric machine main shaft 3 is equipped with in main shaft delivery outlet 1, it is characterized in that, axle sleeve 4 is provided with in main shaft delivery outlet 1, axle sleeve 4 and main shaft delivery outlet 1 adapt, electric machine main shaft 3 wears the axis hole of axle sleeve 4, the first ring-shaped step 11 is provided with between main shaft delivery outlet 1 outer end and axle sleeve 4, first ring-shaped step 11 the inner is provided with the high temperature resistant oil sealing 5 for gap between sealing axle sleeve 4 and electric motor end cap 2, first ring-shaped step 11 sidepiece of high temperature resistant oil sealing 5 outer end offers the first oil-out 111, electric motor end cap 2 outer part offers the second oil-out 112, first oil-out 111 is communicated with by oil discharge passage 113 with the second oil-out 112.Effectively can prevent the oil heating rear volatilization from entering in motor by the gap between electric machine main shaft 3 and electric motor end cap 2 by said structure, effectively extend the useful life of motor; The oil of accumulation can be made to discharge timely by the first oil-out 111, second oil-out 112 and oil discharge passage 113, not affect motor and normally work; First oil-out 111, second oil-out 112 and oil discharge passage 113 are all positioned at below electric machine main shaft 3, oil discharge passage 113 radial direction is arranged on electric motor end cap 2, swab case is provided with in the second oil-out 112 outer end, swab case is connected by demountable structure with electric motor end cap 2, directly sealing ring can also be provided with at swab case and electric motor end cap 2, demountable structure is included on electric motor end cap 2 and arranges slot, and swab case is plugged in slot; Obvious can also be connected on Oil Guide on the second oil-out 112 oil guide pipe.Save the time of labor cleaning.
The diameter that first ring-shaped step 11 outer end is provided with the second ring-shaped step 12, second ring-shaped step 12 is greater than the diameter of the first ring-shaped step 11, and the first oil-out 111 is arranged on the sidepiece of the second ring-shaped step 12, can accelerate fluid and flow out from the first oil-out 111; Main shaft delivery outlet 1 the inner offers the 3rd ring-shaped step 13, has deep groove ball bearing 131 at the 3rd ring-shaped step 13 internal fixtion, and electric machine main shaft 3 is through the axis hole of deep groove ball bearing 131.
Axle sleeve 4 the inner is resisted against on deep groove ball bearing 131, and high temperature resistant oil sealing 5 is made up of fluorubber, and the high temperature resistant oil sealing 4 adopting fluorubber to make, the deformation that can effectively prevent Yin Gaowen from causing, effectively ensure that sealing; Axle sleeve 4 is made up of any one material in iron or copper.In the present embodiment, axle sleeve 4 is made up of iron material.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as main shaft delivery outlet 1, electric motor end cap 2, electric machine main shaft 3, axle sleeve 4, high temperature resistant oil sealing 5, first ring-shaped step 11, first oil-out 111, second oil-out 112, oil discharge passage 113, second ring-shaped step 12, the 3rd ring-shaped step 13, deep groove ball bearing 131 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. the rotary seal mechanism of an electric motor end cap and rotating shaft, comprise the electric motor end cap (2) with main shaft delivery outlet (1), electric machine main shaft (3) is equipped with in described main shaft delivery outlet (1), it is characterized in that, axle sleeve (4) is provided with in described main shaft delivery outlet (1), described axle sleeve (4) outer wall and main shaft delivery outlet (1) inwall adapt, described electric machine main shaft (3) wears the axis hole of axle sleeve (4), the first ring-shaped step (11) is provided with between described main shaft delivery outlet (1) outer end and axle sleeve (4), described the first ring-shaped step (11) the inner is provided with the high temperature resistant oil sealing (5) for gap between sealing axle sleeve (4) and electric motor end cap (2), first ring-shaped step (11) sidepiece of described high temperature resistant oil sealing (5) outer end offers the first oil-out (111), described electric motor end cap (2) outer part offers the second oil-out (112), described the first oil-out (111) is communicated with by oil discharge passage (113) with the second oil-out (112).
2. the rotary seal mechanism of electric motor end cap according to claim 1 and rotating shaft, it is characterized in that, described the first ring-shaped step (11) outer end is provided with the second ring-shaped step (12), the diameter of described the second ring-shaped step (12) is greater than the diameter of the first ring-shaped step (11), and described the first oil-out (111) is arranged on the sidepiece of the second ring-shaped step (12).
3. the rotary seal mechanism of electric motor end cap according to claim 2 and rotating shaft, it is characterized in that, described main shaft delivery outlet (1) the inner offers the 3rd ring-shaped step (13), have deep groove ball bearing (131) at the 3rd ring-shaped step (13) internal fixtion, described electric machine main shaft (3) is through the axis hole of deep groove ball bearing (131).
4. the electric motor end cap according to claim 1 or 2 or 3 and the rotary seal mechanism of rotating shaft, is characterized in that, described axle sleeve (4) the inner is resisted against on deep groove ball bearing (131).
5. the electric motor end cap according to claim 1 or 2 or 3 and the rotary seal mechanism of rotating shaft, is characterized in that, described high temperature resistant oil sealing (5) is made up of fluorubber.
6. the electric motor end cap according to claim 1 or 2 or 3 and the rotary seal mechanism of rotating shaft, is characterized in that, described axle sleeve (4) is made up of any one material in iron or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463228.XU CN204046311U (en) | 2014-08-15 | 2014-08-15 | The rotary seal mechanism of electric motor end cap and rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463228.XU CN204046311U (en) | 2014-08-15 | 2014-08-15 | The rotary seal mechanism of electric motor end cap and rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046311U true CN204046311U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463228.XU Expired - Fee Related CN204046311U (en) | 2014-08-15 | 2014-08-15 | The rotary seal mechanism of electric motor end cap and rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871112A (en) * | 2016-05-06 | 2016-08-17 | 博艳萍 | Four-axis automatic adhesive dispensing manipulator torsion actuator |
| CN109494919A (en) * | 2017-09-13 | 2019-03-19 | 发那科株式会社 | Motor |
-
2014
- 2014-08-15 CN CN201420463228.XU patent/CN204046311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871112A (en) * | 2016-05-06 | 2016-08-17 | 博艳萍 | Four-axis automatic adhesive dispensing manipulator torsion actuator |
| CN109494919A (en) * | 2017-09-13 | 2019-03-19 | 发那科株式会社 | Motor |
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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 |
Granted publication date: 20141224 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |