CN204231070U - The motor of tool dustproof and waterproof structure - Google Patents
The motor of tool dustproof and waterproof structure Download PDFInfo
- Publication number
- CN204231070U CN204231070U CN201420585556.7U CN201420585556U CN204231070U CN 204231070 U CN204231070 U CN 204231070U CN 201420585556 U CN201420585556 U CN 201420585556U CN 204231070 U CN204231070 U CN 204231070U
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- China
- Prior art keywords
- motor
- concavo
- axle center
- circle
- convex surface
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- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 36
- 210000002268 wool Anatomy 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 7
- 230000009545 invasion Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000001771 impaired effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of motor of tool dustproof and waterproof structure, comprises: a motor body, and its front end is rotated and is provided with an axle center; One motor protecgulum, is covered on the front end of motor body inside it, outside is provided with one first concavo-convex surface; And a protective cover, it is covered on the first concavo-convex surface, and by an inner cap and one get rid of circle formed, inside be covered on and get rid of between circle and motor protecgulum, and its inner rim is close to axle center, and inner cap has one second concavo-convex surface with the first concavo-convex surface arranges mutually, and there is between the second concavo-convex surface and the first concavo-convex surface a path, space, and the outer rim of getting rid of circle can fit in motor protecgulum; By this, the utility model can with during to prevent motor from using, and extraneous moisture content and dust invasion are to motor body inside.
Description
Technical field
The utility model is about a kind of motor, espespecially a kind of motor of tool dustproof and waterproof structure, in order to by the moisture content in the external world and dust isolation, prevents its invasion motor internal.
Background technology
Refer to shown in Fig. 1, the generalized section of existing a kind of motor, it includes a body 1, one stator 2, one rotor 3, one axle center 4, two bearings 5 and a motor protecgulum 6, wherein, on front side of body 1 has one and on rear side of in the of one, it is inner that body 1 is located at by stator 2, rotor 3 is hubbed in stator 2, axle center 4 wears is fixed on rotor 3, and can be passed by the front side of body 1, two bearings 5 is articulated in the two ends in axle center 4, motor protecgulum 6 is then covered on the front side of body 1, by this, by the changes of magnetic field that stator 2 Inside coil is produced, with the magnetic field interaction of rotor 3, can order about rotor 3 drives axle center 4 to rotate, motor is come into operation.
And the outer concave of existing motor protecgulum 6 is provided with a groove 7, when motor needs water proof and dust proof in running, an oil sealing (not shown) can be installed additional in groove 7, inner to prevent extraneous moisture content and dust from invading to the body 1 of motor, but, oil sealing is in time using, the effect of water proof and dust proof just must can be reached by close contact in axle center 4, but oil sealing and high temperature, axle center 4 are at a high speed under rubbing for a long time, easily cause oil sealing aged deterioration and axle center 4 surface damage, when making that noise produces, bearing 5 damages, axle center 4 is rotated, the problem such as uneven is arisen spontaneously.
Be event, how develop the motor of Improvement type, in order to solve the problem, the relevant current problem that must solve of dealer.
Utility model content
For solving above-mentioned problem, the utility model provides a kind of motor of tool dustproof and waterproof structure, it is combined with motor protecgulum in contactless full of twists and turns mode by a protective cover, in order to improve the deflection degree of motor front cover surface, and then can increase the useful life of bearing.
For achieving the above object, the utility model provides a kind of motor of tool dustproof and waterproof structure, comprises:
One motor body, it has a front end and a rear end, and this front end is rotated and is provided with an axle center;
One motor protecgulum, it is sheathed on this axle center, and inside having one and outside one, wherein, is covered on the front end of this motor body inside this, is provided with one first concavo-convex surface outside this; And
One protective cover, it is covered on this first concavo-convex surface, and by an inner cap and one be connected to one of this inner cap get rid of circle formed, wherein, this is interior is covered on this and gets rid of between circle and this motor protecgulum, and its inner rim is close to this axle center, and this inner cap has one second concavo-convex surface with this first concavo-convex surface and arranges mutually, and between this second concavo-convex surface and this first concavo-convex surface, there is a path, space, and this outer rim of getting rid of circle can fit in this motor protecgulum.
In an embodiment of the present utility model, wherein, this inner cap is made up of a center protrusion and the one first continuous jog that is located on this center protrusion, and this center protrusion is close to this axle center, and this second concavo-convex surface is positioned at the side of this first continuous jog.
In an embodiment of the present utility model, wherein, this gets rid of snare and is located on this center protrusion, and this inner side of getting rid of circle has one second continuous jog, can arrange mutually with this first continuous jog.
In an embodiment of the present utility model, wherein, this first continuous jog system is made up of two grooves and a projection, and wherein a groove system is positioned at by this center protrusion, and this projection system is between this two groove.
In an embodiment of the present utility model, wherein, this outside of getting rid of circle has a central plane and is located on an inclined-plane of this central plane.
In an embodiment of the present utility model, wherein, this gets rid of circle and makes with this inner cap is one-body molded, and this hardness of getting rid of circle is less than the hardness of this inner cap.
In an embodiment of the present utility model, wherein, more include a protection oil sealing, it is be positioned on this axle center, and is between this motor protecgulum and this protective cover.
In an embodiment of the present utility model, wherein, the outside of this motor protecgulum is other in this axle center is arranged with a storage tank, and this protection oil sealing is located in this storage tank.
In an embodiment of the present utility model, wherein, this protection oil sealing is made up of an oil sealing shell and an oil-containing wool felt, this oil sealing shell is positioned on this axle center, and its internal diameter is greater than the external diameter in this axle center, and this oil-containing wool felt is located in this oil sealing shell, and its internal diameter is less than the external diameter in this axle center.
By above-mentioned, the utility model can reach one of effect, get rid of the side connection inner cap that circle is adjacent to motor protecgulum, and between second of inner cap the concavo-convex surface and the first concavo-convex surface of motor protecgulum, there is a path, space, be combined with motor protecgulum in the mode that noncontact is full of twists and turns to make protective cover, and the larger inner cap of hardness firmly can get rid of the profile of circle, excessive and the friction damage of deformation quantity when the axis rotation is enclosed to prevent from getting rid of, therefore the utility model can in order to improve the deflection degree of motor front cover surface, to increase the useful life of bearing, and promote the dust-proof effect of integral waterproofing.
By above-mentioned; the utility model can reach effect two; by protection oil sealing can with in case the less molecule such as sealing gas and sour gas to invade motor body inner; therefore protection oil sealing can more protect motor body inner; impaired to prevent motor body inner body from corroding, in addition, protection oil sealing gently contacts with axle center by oil-containing wool felt; the high temperature that causes and abrasion between when existing oil sealing uses and axle center can not be formed, therefore the problem such as bearing also can be prevented impaired.
Accompanying drawing explanation
Fig. 1 is the partial cutaway schematic of existing motor.
Fig. 2 is partial cutaway schematic of the present utility model.
Fig. 3 is the generalized section of the utility model protective cover.
The existing > of <
Body 1 stator 2 rotor 3
Axle center 4 bearing 5 motor protecgulum 6
Groove 7
< the utility model >
Axle center, motor body 10 front end 11 12
Inside motor protecgulum 20 outside 21 22
First concavo-convex surperficial 23 storage tank 24 protective covers 30
Inner cap 31 gets rid of the continuous jog 32a of circle 32 second
Central plane 32b inclined-plane 32c center protrusion 33
First concavo-convex surperficial 35 paths, space 36 of continuous jog 34 second
The protruding 38 protection oil sealings 40 of groove 37
Oil sealing shell 41 oil-containing wool felt 42 bearing 50.
Embodiment
For ease of the central idea that the utility model is represented in above-mentioned novel content one hurdle is described, hereby express with specific embodiment.In embodiment, various different object is in being suitable for the ratio enumerating explanation, but not is drawn in the ratio of actual components, and conjunction is first chatted bright.
Refer to shown in Fig. 2 and Fig. 3, the utility model provides a kind of motor of tool dustproof and waterproof structure, comprises:
One motor body 10, it has front end 11 and a rear end, and wherein, front end 11 is rotated and is provided with an axle center 12.
One motor protecgulum 20, it is sheathed on axle center 12, and inside having one outside 21 and one 22, wherein, inner side 21 is covered on the front end 11 of motor body 10, and outside 22 is convexly equipped with one first concavo-convex surperficial 23, and outside 22 is other in axle center 12 is arranged with a storage tank 24.
One protective cover 30, it is covered on first concavo-convex surperficial 23, and is connected to one of inner cap 31 by an inner cap 31 and one and gets rid of circle 32 and formed.
Inner cap 31, it is by metal, and be located at and get rid of between circle 32 and motor protecgulum 20, and inner cap 31 is made up of a center protrusion 33 and the one first continuous jog 34 that is located on center protrusion 33, wherein, center protrusion 33 is close to axle center 12, first continuous jog 34 has one second concavo-convex surperficial 35 and can arrange with the first concavo-convex surperficial 23 phases, and between second concavo-convex surperficial 35 and first concavo-convex surperficial 23, there is a path, space 36, as shown in Figure 2, and the first continuous jog 34 is made up of two grooves 37 and protruding 38, wherein a groove 37 is positioned at center protrusion 33 side, projection 38 is between this two groove 37, generally a labyrinth lid is become to make the first continuous jog 34.
Get rid of circle 32, it is by rubber system, and is sheathed on the center protrusion 33 of inner cap 31, and gets rid of circle 32 and make with inner cap 31 is one-body molded, such as, to imbed the mode of injection, gets rid of circle 32 fit tightly in inner cap 31 to make.The inner side of getting rid of circle 32 has one second continuous jog 32a, can arrange with continuous jog 34 phase of first of inner cap 31, and fit tightly, the outside of getting rid of circle 32 then has a central plane 32b and is located on an inclined-plane 32c of central plane 32b, and the outer rim of getting rid of circle 32 can fit in motor protecgulum 20, as shown in Figure 2, to make path, space 36 generally in a closed.
One protection oil sealing 40, it is positioned on axle center 12, and is positioned at the storage tank 24 of motor protecgulum 20, to make protection oil sealing 40 between motor protecgulum 20 and protective cover 30, as shown in Figure 2.Protection oil sealing 40 is made up of an oil sealing shell 41 and an oil-containing wool felt 42, and wherein, oil sealing shell 41 is positioned on axle center 12, and its internal diameter is greater than the external diameter in axle center 12, and oil-containing wool felt 42 is located in oil sealing shell 41, and its internal diameter is less than the external diameter in axle center 12.
More than be structure of the present utility model and shape general introduction, and effect principle can reached by the utility model and using method are presented below:
Be covered on motor protecgulum 20 by protective cover 30 of the present utility model, when motor body 10 operates, extraneous moisture content or dust can gradually be away from axle center 12 along the inclined-plane 32c getting rid of circle 32, inner to prevent water part or dust from entering motor body 10.
And the side being adjacent to motor protecgulum 20 owing to getting rid of circle 32 connects inner cap 31, and between second of inner cap 31 concavo-convex surperficial 35 and first concavo-convex surperficial 23 of motor protecgulum 20, there is a path, space 36, be combined with motor protecgulum 20 in the mode that noncontact is full of twists and turns to make protective cover 30, moreover, by inner cap 31 with get rid of that circle 32 is one-body molded to be made, and the hardness of inner cap 31 is greater than the hardness of getting rid of circle 32, therefore when axle center 12 is rotated, the inner cap 31 that hardness is large firmly can get rid of the profile of circle 32, to prevent from getting rid of the excessive and friction damage of circle 32 deformation quantity, therefore the utility model can in order to improve the deflection degree on motor protecgulum 20 surface, to increase the useful life of bearing 50, and promote the dust-proof effect of integral waterproofing.
In addition, can with inner with the molecule intrusion motor body 10 preventing extraneous aqueous vapor and sour gas etc. less by protection oil sealing 40, therefore protection oil sealing 40 can more protect motor body 10 inner, to prevent the component corrosion of motor body 10 inside impaired, in addition, internal diameter due to the oil sealing shell 41 protecting oil sealing 40 is greater than the external diameter in axle center 12, therefore, protection oil sealing 40 gently contacts with axle center 12 by oil-containing wool felt 42, make protection oil sealing 40 of the present utility model can not to form between when oil sealing (not shown) as existing in Fig. 1 uses and axle center 12 high temperature that causes and exceedingly wear away, therefore problem produces bearing 50 also can be prevented impaired etc.
Above illustrated embodiment, only in order to the utility model to be described, is not used to limit scope of the present utility model.Such as the utility model various modifications of being engaged in of spirit or change is not disobeyed, all categories belonging to the utility model and be intended to protect.
Claims (9)
1. a motor for tool dustproof and waterproof structure, is characterized in that comprising:
One motor body, it has a front end and a rear end, and this front end is rotated and is provided with an axle center;
One motor protecgulum, it is sheathed on this axle center, and inside having one and outside one, wherein, is covered on the front end of this motor body inside this, is provided with one first concavo-convex surface outside this; And
One protective cover, it is covered on this first concavo-convex surface, and by an inner cap and one be connected to one of this inner cap get rid of circle formed, wherein, this is interior is covered on this and gets rid of between circle and this motor protecgulum, and its inner rim is close to this axle center, and this inner cap has one second concavo-convex surface with this first concavo-convex surface and arranges mutually, and between this second concavo-convex surface and this first concavo-convex surface, there is a path, space, and this outer rim of getting rid of circle can fit in this motor protecgulum.
2. the motor of tool dustproof and waterproof structure as claimed in claim 1, it is characterized in that, wherein, this inner cap is made up of a center protrusion and the one first continuous jog that is located on this center protrusion, this center protrusion is close to this axle center, and this second concavo-convex surface is positioned at the side of this first continuous jog.
3. the motor of tool dustproof and waterproof structure as claimed in claim 2, it is characterized in that, wherein, this gets rid of snare and is located on this center protrusion, and this inner side of getting rid of circle has one second continuous jog, can arrange mutually with this first continuous jog.
4. the motor of tool dustproof and waterproof structure as claimed in claim 2 or claim 3, is characterized in that, wherein, this first continuous jog system is made up of two grooves and a projection, and wherein a groove system is positioned at by this center protrusion, and this projection system is between this two groove.
5. the motor of tool dustproof and waterproof structure as claimed in claim 1, it is characterized in that, wherein, this outside of getting rid of circle has a central plane and is located on an inclined-plane of this central plane.
6. as the motor of claim 1, claim 3 or tool dustproof and waterproof structure according to claim 5, it is characterized in that, wherein, this gets rid of circle and makes with this inner cap is one-body molded, and this hardness of getting rid of circle is less than the hardness of this inner cap.
7. the motor of the tool dustproof and waterproof structure as described in claims 1, is characterized in that, wherein, more include a protection oil sealing, it is be positioned on this axle center, and is between this motor protecgulum and this protective cover.
8. the motor of tool dustproof and waterproof structure as claimed in claim 7, is characterized in that, wherein, the outside of this motor protecgulum is other in this axle center is arranged with a storage tank, and this protection oil sealing is located in this storage tank.
9. the motor of tool dustproof and waterproof structure as claimed in claim 7 or 8, it is characterized in that, wherein, this protection oil sealing is made up of an oil sealing shell and an oil-containing wool felt, this oil sealing shell is positioned on this axle center, and its internal diameter is greater than the external diameter in this axle center, and this oil-containing wool felt is located in this oil sealing shell, and its internal diameter is less than the external diameter in this axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585556.7U CN204231070U (en) | 2014-10-11 | 2014-10-11 | The motor of tool dustproof and waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585556.7U CN204231070U (en) | 2014-10-11 | 2014-10-11 | The motor of tool dustproof and waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231070U true CN204231070U (en) | 2015-03-25 |
Family
ID=52929120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420585556.7U Expired - Lifetime CN204231070U (en) | 2014-10-11 | 2014-10-11 | The motor of tool dustproof and waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114448139A (en) * | 2020-11-06 | 2022-05-06 | 大青节能科技股份有限公司 | Waterproof motor |
-
2014
- 2014-10-11 CN CN201420585556.7U patent/CN204231070U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114448139A (en) * | 2020-11-06 | 2022-05-06 | 大青节能科技股份有限公司 | Waterproof motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150325 |