CN204089411U - Safe motor - Google Patents
Safe motor Download PDFInfo
- Publication number
- CN204089411U CN204089411U CN201420495914.5U CN201420495914U CN204089411U CN 204089411 U CN204089411 U CN 204089411U CN 201420495914 U CN201420495914 U CN 201420495914U CN 204089411 U CN204089411 U CN 204089411U
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- China
- Prior art keywords
- shell
- binding post
- earflap
- rotor
- tail end
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Abstract
The utility model relates to a kind of safe motor, belongs to electromagnetic actuator device technical field.This motor comprises installation stators and rotators in the enclosure, the output of described rotor and tail end are supported on the front-end and back-end of shell respectively, a pairs of posts is extended in the rear end of described shell, its improvements are: insulating shield is also equipped with in the rear end of described shell, described guard shield, by covering the block of rotor tail end and being made up of towards a pair earflap of binding post direction extension respectively block edge, described earflap has binding post perforation.The utility model tool has the following advantages: when 1) welding outer guide line on binding post, solder flux is blocked by the earflap of insulating shield, effectively can avoid flowing in shell along binding post, stop the short circuit caused thus.2) the rotor tail end stretching out shell is covered by guard shield, is wound around wire when can avoid rotating.3) wire that can prevent motor shaft and conductive contact friction from causing is damaged, avoids the fault therefore caused.
Description
Technical field
The utility model relates to a kind of motor, and especially a kind of small-sized safety motor be applied on electric tool, belongs to electromagnetic actuator device technical field.
Background technology
According to the applicant understood, on existing electric tool as the micro-machine conventional structure of power source be shell built with stators and rotators, the output of described rotor and tail end are supported on the front-end and back-end of shell respectively, and binding post is also extended in the rear end of shell.
This type of existing motor wiring runs and easily occurs following problem: time 1) with wire bonds, and solder flux easily flows in shell along binding post and causes short circuit; 2) wire causing trouble is likely wound around when stretching out the rotor tail end rotation of shell.
Utility model content
The purpose of this utility model is: for above-mentioned prior art Problems existing, proposes a kind of safe motor simultaneously can avoiding solder shorts and kinking fault, thus contributes to the normal use ensureing electric tool.
In order to reach above object, safe motor of the present utility model comprises installation stators and rotators in the enclosure, the output of described rotor and tail end are supported on the front-end and back-end of shell respectively, a pairs of posts is extended in the rear end of described shell, its improvements are: insulating shield is also equipped with in the rear end of described shell, described guard shield, by covering the block of rotor tail end and being made up of towards a pair earflap of binding post direction extension respectively block edge, described earflap has binding post perforation.
Further, the cap skirt that described block is greater than crown diameter by the crown of end and base diameter forms, and the internal diameter of described cap skirt and the boss external diameter footpath of motor housing corresponding position match.
Further, in the tool housing installing described safe motor, corresponding cap portion has the convex tendon of a shape, and described earflap is stuck in described convex tendon inner circumferential and axial limiting.
The utility model tool has the following advantages:
1) when welding outer guide line on binding post, solder flux is blocked by the earflap of insulating shield, effectively can avoid flowing in shell along binding post, stop the short circuit caused thus.
2) the rotor tail end stretching out shell is covered by guard shield, is wound around wire when can avoid rotating.
3) wire that can prevent motor shaft and conductive contact friction from causing is damaged, avoids the fault therefore caused.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the cutaway view of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the end view of Fig. 2.
Fig. 4 is the perspective view of Fig. 1 embodiment.
Fig. 5 is Fig. 1 embodiment scheme of installation.
Embodiment
Embodiment one
As shown in Figures 1 to 4, stator 1 and rotor 2 are arranged in shell 3 the safe motor basic structure of the present embodiment.The output of rotor 2 and tail end are supported on the front-end and back-end of shell 3 respectively by front and back bearings B.The pairs of posts 5 being derived from carbon brush 4 is extended in the rear end of shell 3.Insulating shield 6 is equipped with in the rear end of shell 3, and this guard shield is by covering the circle block 6-1 of rotor 2 tail end and being made up of towards a pair earflap 6-2 of binding post direction extension respectively block 6-1 edge.Block 6-1 is by the less crown of the diameter of end, and the cap skirt 6-B that base diameter is greater than crown 6-A diameter forms.The internal diameter of cap skirt 6-B and the boss external diameter of motor housing corresponding position match, and therefore can realize engaging location when assembling.Earflap 6-2 has the binding post perforation 6-3 of long trough.In figure, 7 is motor shafts, and 8 is radiator fans.
As shown in Figure 5, in the tool housing of installation the present embodiment motor, corresponding cap portion has the convex tendon 9 of a shape, and earflap 6-2 is stuck in this convex tendon 9, thus it is spacing to realize circumferential and axial.
Facts have proved, after adopting the motor of the present embodiment, when binding post welds outer guide line, solder flux is blocked by the earflap of insulating shield, and therefore can effectively avoid flowing in shell along binding post, the short circuit caused thus no longer occurs.Further, the rotor tail end stretching out shell is covered by guard shield, can not be wound around wire during rotation, also can not with conductive contact friction, avoid wire breakage.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (3)
1. a safe motor, comprise installation stators and rotators in the enclosure, the output of described rotor and tail end are supported on the front-end and back-end of shell respectively, a pairs of posts is extended in the rear end of described shell, it is characterized in that: insulating shield is also equipped with in the rear end of described shell, described guard shield, by covering the block of rotor tail end and being made up of towards a pair earflap of binding post direction extension respectively block edge, described earflap has binding post perforation.
2. safe motor according to claim 1, is characterized in that: the cap skirt that described block is greater than crown diameter by the crown of end and base diameter forms, and the internal diameter of described cap skirt and the boss external diameter footpath of motor housing corresponding position match.
3. safe motor according to claim 2, is characterized in that: in the tool housing installing described safe motor, corresponding cap portion has the convex tendon of a shape, and described earflap is stuck in described convex tendon inner circumferential and axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495914.5U CN204089411U (en) | 2014-09-01 | 2014-09-01 | Safe motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495914.5U CN204089411U (en) | 2014-09-01 | 2014-09-01 | Safe motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089411U true CN204089411U (en) | 2015-01-07 |
Family
ID=52182079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420495914.5U Active CN204089411U (en) | 2014-09-01 | 2014-09-01 | Safe motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823949A (en) * | 2021-08-23 | 2021-12-21 | 北京航天控制仪器研究所 | High-sealing-performance power transmission structure for liquid floating instrument |
-
2014
- 2014-09-01 CN CN201420495914.5U patent/CN204089411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823949A (en) * | 2021-08-23 | 2021-12-21 | 北京航天控制仪器研究所 | High-sealing-performance power transmission structure for liquid floating instrument |
| CN113823949B (en) * | 2021-08-23 | 2024-05-31 | 北京航天控制仪器研究所 | High-sealing-performance power transmission structure for liquid floating instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |