CN1145250C - Terminal structure of miniature motor - Google Patents
Terminal structure of miniature motor Download PDFInfo
- Publication number
- CN1145250C CN1145250C CNB011250860A CN01125086A CN1145250C CN 1145250 C CN1145250 C CN 1145250C CN B011250860 A CNB011250860 A CN B011250860A CN 01125086 A CN01125086 A CN 01125086A CN 1145250 C CN1145250 C CN 1145250C
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- China
- Prior art keywords
- terminal
- micromotor
- band
- described terminal
- obstruct
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Abstract
The present invention provides a terminal of a miniature motor. The terminal is made of electricity-conducting metal materials, such as copper, etc., and forms a sliver shape, the upper part of the terminal is provided with a circular hole for connecting a power supply wire, the lower part of the terminal is provided with a protrusion, and the middle upper part of the length of the terminal is provided with a transversal blocking belt. The present invention also provides a miniature motor which comprises a stator and a rotor which are arranged in a casing, wherein the center of the rotor is provided with a rotating shaft, one end of the rotor is provided with a commutator around the rotating shaft, an electric brush contacting the commutator is installed in the end cover of the miniature motor, and the terminal is arranged in the end cover.
Description
Technical field
Put it briefly, the present invention relates to a kind of micromotor.Specifically, the micromotor that the present invention relates to a kind of terminal of micromotor and adopt this terminal.
Background technology
Stator and rotor are housed in the casing of micromotor usually, and centre of rotor has disposed a rotating shaft, and an end of rotor has disposed a commutator around rotating shaft.Installed in the end cap of micromotor will with the contacted brush of commutator.Fig. 1 represents the partial sectional view of the micromotor end cap 1 of prior art.As shown in FIG., the brace of brush contacts with the terminal that inserts end cap, to accept the electric energy from external power, makes brace and the commutator segment input motor rotor of electric energy through terminal, commutator segment, the drive motor rotation.
Fig. 2 shows the bar shaped terminal 10 of the micromotor of prior art, and the width of its middle and upper part is narrower, and a circular hole is arranged at terminal 10 tops, and a projection is arranged at the bottom of terminal 10.In the manufacture process of existing micromotor, the bottom of positive and negative terminal 10 is passed the through hole of the place's balanced configuration that keeps to the side on the end cap separately, the projection that makes two terminal 10 bottoms matches with aperture on the brace of corresponding brush respectively in the inboard of end cap, is connected thereby the brace of terminal 10 and brush is remained.The circular hole on terminal 10 tops is used for passing the conductor termination of power line, then power line and terminal is welded.
Yet, when the conductor termination of power line is passed the circular hole on terminal 10 tops and is welded, be in the scolding tin of molten condition materials such as rosin 2 will along bar shaped terminal 10 from it portion flow to the bottom, because the materials such as rosin itself that flow in the scolding tin of terminal 10 bottoms are non-conductive, so that brace 3 original contact conditions of terminal lower lobes and commutator segment weakened or destroyed.Thereby influence the normal operation of micromotor.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of can when welding stop in the scolding tin materials such as rosin from it portion flow to the micromotor terminal of bottom.
Another object of the present invention provides a kind of micromotor that adopts this terminal.
According to an aspect of the present invention, micromotor terminal of the present invention is made up of conductive metallic material, elongated, the circular hole that its top has a connection power line to use, the bottom of terminal have a projection, it is characterized in that the middle and upper part of the length of described terminal has one laterally to intercept band.
According to another aspect of the present invention, micromotor of the present invention comprises stator and the rotor that is contained in the casing, centre of rotor has disposed a rotating shaft, one end of rotor has disposed a commutator around rotating shaft, installed in the end cap of micromotor will with the contacted brush of commutator, it is characterized in that, above-mentioned terminal is housed on the described end cap.
Because the middle and upper part of terminal of the present invention has one laterally to intercept band, therefore when the upper end of the conductor termination of power line and terminal is welded, be in the scolding tin of molten condition materials such as rosin just can not along the bar shaped terminal from it portion flow to the bottom, but the horizontal obstruct that accumulates in the centre position is with.Thereby guarantee the excellent electric contact of the brace of terminal bottom and commutator segment.
Description of drawings
Describe the present invention in detail by most preferred embodiment with reference to the accompanying drawings.
Fig. 1 represents that the micromotor terminal of prior art is from perspective view;
Fig. 2 represents the partial sectional view of the micromotor end cap of prior art;
Fig. 3 represents the perspective view of a most preferred embodiment of micromotor terminal of the present invention;
Fig. 4 represents the perspective view of another most preferred embodiment of micromotor terminal of the present invention;
Fig. 5 represents the perspective view of another most preferred embodiment of micromotor terminal of the present invention;
Fig. 6 represents the perspective view of another most preferred embodiment of micromotor terminal of the present invention;
Fig. 7 represents the perspective view that also has a most preferred embodiment of micromotor terminal of the present invention.
Embodiment
At first, consult Fig. 3, there is shown a most preferred embodiment of terminal of the present invention.Terminal 20 is made up of conducting metal sheet materials such as copper.Terminal 20 is pressed the cross blanking, stretches out two little billets symmetrically along the vertical direction of the length middle and upper part of bar shaped terminal 20.Two little billets are approximately half length of terminal width separately.The top of terminal 20 has a circular hole, as the usefulness of the metallic conductor termination that connects power line.A projection that is stamped to form is arranged at the bottom of terminal 20.When end cap inboard inserted in the bottom of terminal 20, its projection matched with the aperture of the brace of commutator segment, and the bottom of terminal 20 is contacted with the brace of commutator segment.Semicircle is processed in the upper end of terminal 20, and the lower end of terminal 20 then is processed into tapered moving back and is pulled out shape.Two little billets same surface from two longitudinal edges of terminal 20 towards terminal bends relatively, forms a horizontal obstruct band until the middle and upper part at terminal 20 on this surface.This obstruct bar is called bending and intercepts band.
When the assembling micromotor, the bottom of positive and negative terminal 20 is passed two through holes of the place's balanced configuration that keeps to the side on the insulated end cover separately, the projection that makes two terminal 20 bottoms matches with aperture on the brace of corresponding brush respectively in the inboard of end cap, is connected thereby the brace of terminal 20 and brush is remained.
When the upper end of the conductor termination of power line and terminal is welded, be in the scolding tin of molten condition materials such as rosin just can not along the bar shaped terminal from it portion flow to the bottom that it is in the end cap inboard, and the horizontal obstruct that accumulates in the position, middle and upper part is with.Non-conductive materials such as prevention rosin flow between the brace of terminal bottom and commutator segment, thereby guarantee the excellent electric contact of the brace of terminal bottom and commutator segment.
Fig. 4 represents the perspective view of another most preferred embodiment of micromotor terminal of the present invention.Terminal 30 shown in the figure is longer than terminal 20 when blanking, but terminal 30 does not have two such horizontal little billets of terminal 20.Terminal 30 is with 31 towards the obstruct that a side blow of terminal extrudes a bar shaped intercepting corresponding to the bending of terminal 20 with 21 position.This obstruct band is called punching press and intercepts band.The amount that terminal 30 length exceed terminal 20 can strike out the obstruct of this bar shaped just and be with 31, makes that having formed punching press intercepts with the length of the terminal 30 after 31 identical with the length of terminal 20.Except the shape that intercepts band, the other parts of terminal 30 are identical with terminal 20.Obstruct with the obstruct of 31 function and terminal 20 with 21 the same, therefore will not give unnecessary details.
Fig. 5 represents the perspective view of another most preferred embodiment of micromotor terminal of the present invention.Terminal 40 shown in the figure is longer than terminal 20 when blanking, and terminal 40 does not have two such horizontal little billets of terminal 20 yet.Terminal 40 is with 41 towards the obstruct that a side blow of terminal extrudes a bar shaped intercepting corresponding to the bending of terminal 20 with 21 position.This obstruct band is also referred to as punching press and intercepts band.The amount that terminal 40 length exceed terminal 20 can strike out the obstruct of this bar shaped just and be with 41, makes that having formed punching press intercepts the same long with the length of the terminal 40 after 41 and terminal 20.Except the shape that intercepts band, the other parts of terminal 40 are identical with terminal 20.Obstruct with the obstruct of 41 function and terminal 20 with 21 the same, also be the non-conductive materials such as rosin that are used for stopping in the scolding tin that flows downward under the molten condition.
With respect to the all-in-one-piece extrapolation terminal shown in Fig. 3-Fig. 5, Fig. 6 shows a kind of extrapolation terminal 50 of non-integral type.As shown in Figure 6, terminal 50 corresponding to the obstruct of terminal 20 with 21 position with the mechanical means gland on one add to intercept and be with 51.Be with 20 to compare with the obstruct of a side that only is formed on terminal, intercept and be with 51 around 50 1 weeks of terminal.Except the shape that intercepts band, the other parts of terminal 50 are identical with terminal 20.Obstruct with the obstruct of 51 function and terminal 20 with 21 also identical, therefore will not give unnecessary details.
Fig. 7 shows the extrapolation terminal 60 of another kind of non-integral type.As shown in Figure 7, terminal 60 corresponding to the obstruct of terminal 20 with 21 position with mechanical means gland lastblock and terminal 60 vertical add barrier flaps 61.The elongated slot in the centre position of barrier flaps 61, the cross-sectional area of the area of elongated slot and terminal 60 is suitable, and interference each other, makes barrier flaps 61 and terminal 60 mutual tight fits.Be with 21 to compare with the obstruct of a width surface that only is formed on terminal, the primary flat vertical terminals 50 of barrier flaps 61.Except barrier flaps 61 with intercept with 21 shape different, the obstruct of the function of barrier flaps 61 and terminal 20 with 21 identical.
The various most preferred embodiments of upper reference have been done detailed description to the terminal of micromotor of the present invention.Yet all these descriptions are exemplary, rather than restrictive.Under the prerequisite of thought of the present invention and spirit that do not come off, those skilled in the art can make various variations and remodeling to the present invention.All these variations and remodeling all belong to protection scope of the present invention.Appending claims defines protection scope of the present invention.
Claims (8)
1. micromotor terminal, described terminal is made up of conductive metallic material, and is elongated, the circular hole that its top has a connection power line to use, a projection is arranged at the bottom of terminal, it is characterized in that the middle and upper part of the length of described terminal has one laterally to intercept band.
2. according to the micromotor terminal of claim 1, it is characterized in that described obstruct band is by the bending and forming relatively of the same surface of two little billets that stretch out along the vertical direction symmetry of the middle and upper part of the length of described terminal from two longitudinal edges of described terminal towards described terminal.
3. according to the micromotor terminal of claim 1, it is characterized in that described obstruct band is to press a bar shaped that forms to intercept band towards the side blow on the length direction described terminal by the vertical direction in the middle and upper part of the length of described terminal.
4. according to the micromotor terminal of claim 3, it is characterized in that described obstruct band is that a bar shaped intercepts band.
5. according to the micromotor terminal of claim 1, it is characterized in that described obstruct band is one and intercepts band around adding of the described middle and upper part of described terminal tightly.
6. according to the micromotor terminal of claim 1, it is characterized in that described obstruct band is a vertical friction tight barrier blocks that adds with described terminal in described middle and upper part around described terminal.
7. according to each micromotor terminal of claim 1-6, it is characterized in that the last chamfer of described terminal becomes semicircle, the lower end of described terminal is processed into downwards tapered moving back and is pulled out shape.
8. micromotor, comprise the stator and the rotor that are contained in the casing, centre of rotor has disposed a rotating shaft, one end of rotor has disposed a commutator around rotating shaft, installed in the end cap of micromotor will with the contacted brush of commutator, it is characterized in that, be equipped with on the described end cap according to each terminal among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011250860A CN1145250C (en) | 2001-07-30 | 2001-07-30 | Terminal structure of miniature motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011250860A CN1145250C (en) | 2001-07-30 | 2001-07-30 | Terminal structure of miniature motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1400720A CN1400720A (en) | 2003-03-05 |
| CN1145250C true CN1145250C (en) | 2004-04-07 |
Family
ID=4665878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011250860A Expired - Fee Related CN1145250C (en) | 2001-07-30 | 2001-07-30 | Terminal structure of miniature motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1145250C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3000627A1 (en) * | 2012-12-27 | 2014-07-04 | Michelin & Cie | ELECTRICAL CONNECTOR AND ELECTRIC MACHINE HAVING SUCH A CONNECTOR |
-
2001
- 2001-07-30 CN CNB011250860A patent/CN1145250C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1400720A (en) | 2003-03-05 |
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