CN206099011U - Hook type commutator - Google Patents
Hook type commutator Download PDFInfo
- Publication number
- CN206099011U CN206099011U CN201621095604.XU CN201621095604U CN206099011U CN 206099011 U CN206099011 U CN 206099011U CN 201621095604 U CN201621095604 U CN 201621095604U CN 206099011 U CN206099011 U CN 206099011U
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- CN
- China
- Prior art keywords
- copper sheet
- elongate body
- breach
- physique
- rectangular
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a hook type commutator, by the phenolic moulding powder base member with the switching -over copper sheet constitute, its characterized in that: milling isolated trench with circle milling cutter between the adjacent switching -over copper sheet and carrying out lamination insulation passes through and is not milled through the circular arc in the isolated trench top, the switching -over copper sheet is rectangular physique before milling isolated trench and form the crotch, the lateral surface of rectangular physique is the arc surface, and rectangular physique is waited to form the top height of crotch is H, and the side is equipped with continuous upper and lower die -cut breach at the intermediate position about rectangular physique, and the distance between the top of upper punch incised notch mouth and the top of rectangular physique is less than H, and the breach width of down stroke incised notch mouth is narrower, the breach width broad of upper punch incised notch mouth, and upper punch incised notch mouth has the die -cut inclined plane of radial direction, encloses major part bell inwards between the die -cut inclined plane of adjacent rectangular physique. Foretell hook type commutator can prevent that glue from getting into isolated trench, can realize high quality preparation, mechanical strength height, is convenient for accomplish automatic inserted sheet, volume production moreover stably.
Description
Technical field
This utility model is related to commutator topology field, and in particular to a kind of Hooked reverser.
Background technology
Hooked reverser, including phenolic moulding powder matrix and the cylindrical commutation copper sheet for making circumference arrangement in phenolic moulding powder matrix, change
Crotch, commutation copper sheet and phenolic moulding powder matrix one injection-compression molding are provided with the top of copper sheet.Hooked reverser has taincolite and nothing
Muscovitum, carried out by arranging mica sheet between adjacent commutation copper sheet insulation between plates for taincolite diverter, adjacent commutation
Carry out insulation between plates by milling out insulation tank between copper sheet is that, without mica commutator, the insulation tank without mica commutator is usual
Mill through up and down, so after diverter is assembled on motor shaft, if motor-spin-coil requires drop, glue is processed, then glue
Water will enter insulation tank along motor shaft, and the work to diverter has undesirable effect.Also what is more important, is shown in the patent No.
201410284923.4th, patent name is the background patents of " Hooked reverser copper bar ", in the background patents technology, changes without Muscovitum
It is elongate body before milling insulation tank and formation crotch to the commutation copper sheet of device（Arc lamellar body 1 i.e. in background patents）, strip
The left and right side of body is provided with punching breach in centre position（Gap 5 i.e. in background patents）, by tracking punching breach come
The processing of insulation tank is carried out, Lou milling, the situation of wrong milling can be avoided to occur.But, if the width of punching breach is little, although be beneficial to
Tracking can more preferably ensure the accurate of groove milling position, but the big cutter of milling surplus is easy to wear；If the width of punching breach is big, just
The accurate of groove milling position can not very well be ensured, and phenolic moulding powder easily collapses material during groove milling, to collapse and can produce pit after material, should be hidden
Ensconcing the commutation copper sheet of phenolic moulding powder intrinsic silicon will expose, and not only affect appearance effects quality but also have a strong impact on diverter
Mechanical strength；And due to the deviation of groove milling position, be punched the side of breach often because not by milling cutter milling to and easily hang
Material adhesion phenolic moulding powder, has a strong impact on outward appearance.In addition, the elongate body in background patents, when carrying out screening on screening plastic sheath,
Because last piece elongate body easily produces interference between the top of the elongate body already inserted into screening plastic sheath,
Screening can only be carried out using manual screening mode, efficiency is low, it is impossible to realize stable volume production.
The content of the invention
In view of the deficiencies in the prior art, it is to provide one kind to prevent glue that the technical problems to be solved in the utility model is
Into insulation tank, high-quality making, high mechanical strength can be realized, and be easy to complete the stable hook of automatic inserted sheet, volume production
Diverter.
This utility model is by the following technical programs implementing：
Hooked reverser, by phenolic moulding powder matrix and phenolic moulding powder matrix it is cylindrical make circumference arrangement commutation copper sheet constitute,
Crotch, commutation copper sheet and phenolic moulding powder matrix one injection-compression molding are provided with the top of commutation copper sheet, it is characterised in that：Adjacent commutation copper
Mill out insulation tank to carry out insulation between plates with circular milling knife between piece, the top Jing arc transition of insulation tank and do not milled through.
The Hooked reverser of above-mentioned technical proposal, because the top of insulation tank is not milled through, the top of insulation tank and diverter
Without breach between end surface, so when motor-spin-coil carries out dripping glue process, glue will not be along motor shaft from diverter
Top end face enter insulation tank, it is ensured that the work of diverter will not be had undesirable effect.
It is of the present utility model to be further arranged to：The commutation copper sheet is strip in milling insulation tank and before forming crotch
Body, the lateral surface of elongate body is arc surface, and the angle of circumference of arc surface is equal to diverter circumference divided by commutation copper sheet quantity gained
The angle for arriving, the overhead height of the elongate body crotch to be formed is H, and the left and right side of elongate body is provided with centre position
The distance between connected punching breach up and down, the top of upper punching breach and top of elongate body are less than H, undershoot incised notch mouth
Gap width it is narrower, the gap width of upper punching breach is wider, and upper punching breach has the punching inclined-plane of radial direction, adjacent
Major part bell inwardly is crossed between the punching inclined-plane of elongate body.
The commutation copper sheet of above-mentioned technical proposal, its elongate body have up and down be punched breach design, undershoot incised notch mouth lack
Mouth narrower width, beneficial to the accurate tracking of groove milling position；Although upper punching breach gap width is wider, punching is it is critical only that
Breach has punching inclined-plane, and between the punching inclined-plane for making neighboring strips body major part bell inwardly, so, phase are crossed
Phenolic moulding powder between adjacent commutation copper sheet is just pind down by bell, is difficult to collapse material during milling insulation tank, so as to realize that hook commutates
The high-quality of device makes, it is ensured that mechanical strength；Especially at the top of the arc transition of insulation tank, although the top end face with diverter
Suffer closely, but due to the binding strength height of phenolic moulding powder, it is possible to guaranteeing to expose the false.
Preferably, the width of insulation tank is 0.5mm, the twice gap width of upper punching breach is less than insulation well width
0.05mm, the twice gap width of undershoot incised notch mouth is equal to 0.25-0.3mm.
It is of the present utility model to be further arranged to：The left and right side of elongate body is provided with guiding and falls with medial surface joint
Angle.
In above-mentioned technical proposal, elongate body has guiding chamfering, when the longitudinal baffle of screening plastic sheath adopts taper top
After design, during screening operation, being oriented to the spigot surface of chamfering will contact with the inclined-plane of taper top, and taper top promotes elongate body
As far as possible away from the center of screening plastic sheath, the insertion space of maximum then can be reserved between neighboring strips body, allow last a piece of
Elongate body smoothly is inserted in screening plastic sheath, and not with the top of other elongate bodies already inserted into screening plastic sheath it
Between produce interference, consequently facilitating it is stable to complete automatic inserted sheet, volume production.
Description of the drawings
This utility model has the following drawings：
Fig. 1 is the axial sectional view of Hooked reverser；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is the lateral side view of elongate body,
Fig. 4 is the left view of Fig. 3,
Fig. 5 is the top view of Fig. 4,
Fig. 6 is the structure chart of elongate body and phenolic moulding powder matrix one injection-compression molding,
Fig. 7 is the C-C views of Fig. 6,
Fig. 8 is the B-B views of Fig. 6,
Fig. 9 is the A-A views of Fig. 6,
Figure 10 is state diagram of the elongate body in screening plastic sheath screening.
Specific embodiment
As shown in Figure 1, 2, Hooked reverser of the present utility model, by phenolic moulding powder matrix 3 and in the cylindrical of phenolic moulding powder matrix 3
24 commutation copper sheets 1 for making circumference arrangement are constituted, and the top of commutation copper sheet 1 is provided with crotch 2, commutation copper sheet 1 and phenolic moulding powder
The one injection-compression molding of matrix 3, mills out insulation tank 4 to carry out insulation between plates, insulation tank 4 between adjacent commutation copper sheet 1 with circular milling knife
Top Jing arc transition 5 and do not milled through.
As shown in figs. 3-9, the commutation copper sheet 1 is elongate body 10, strip before milling insulation tank 4 and formation crotch 2
The medial surface of body 10 is provided with hook 13, and the lateral surface of elongate body 10 is arc surface 14, and the angle of circumference of arc surface 14 is equal to commutation
Device circumference is divided by the angle obtained by commutation copper sheet quantity, and the overhead height of the crotch 2 to be formed of elongate body 10 is H, long
The left and right side of bar shape 10 is provided with connected upper punching breach 11 and undershoot incised notch mouth 12, upper punching breach 11 in centre position
The distance between the top of top and elongate body 10 be less than H, the gap width of undershoot incised notch mouth 12 is narrower, upper punching breach
11 gap width is wider, and upper punching breach 11 has the punching inclined-plane 16 of radial direction, the punching inclined-plane of neighboring strips body
Major part bell A inwardly is crossed between 16（See Fig. 9）, left and right side and the medial surface joint of elongate body 10 are provided with guiding
Chamfering 15.When the width of insulation tank is 0.5mm, the twice gap width b1 of upper punching breach 11 is less than the width of insulation tank 4
0.05mm, twice wide opening depth b2 of undershoot incised notch mouth 12 is equal to 0.25-0.3mm（See Fig. 6）.
Above-mentioned Hooked reverser, its manufacturing process is：Drawing copper wires Jing customized cut-off and punching hook, then Jing is oblique
It is punched into and be punched up and down breach, upper punching breach has the punching inclined-plane of radial direction, then just form strip lamellar body, then will
24 elongate bodies screening and are put in mould bucket and bakelite powder material one injection-compression molding in screening plastic sheath, see Fig. 6,
Then following punching breach is tracking basic point milling insulation tank, due to the phenolic moulding powder between adjacent commutation copper sheet be subject to punching inclined-plane it
Between the bell that crosses pin down, so be difficult to collapse material during milling insulation tank, after insulation tank is milled out, to entering at the top of elongate body
Row Milling Process aftershaping crotch, Hooked reverser completes.
As shown in Figure 10, the longitudinal baffle of screening plastic sheath C has taper top C1, and elongate body 10 is in screening plastic sheath C
When inside carrying out screening, the spigot surface of the guiding chamfering 15 of elongate body 10 will contact with the inclined-plane of taper top C1, taper top
C1 promotes elongate body 10 as far as possible away from the center of screening plastic sheath C, and maximum then can be reserved between neighboring strips body 10
Insertion space B, allows last piece elongate body smoothly to insert in screening plastic sheath C, and not with already inserted into screening plastic sheath C
Other elongate bodies 10 top between produce interference, consequently facilitating it is stable to complete automatic inserted sheet, volume production.
Claims (4)
1. Hooked reverser, constitutes by phenolic moulding powder matrix and in the cylindrical commutation copper sheet for making circumference arrangement of phenolic moulding powder matrix, changes
Crotch, commutation copper sheet and phenolic moulding powder matrix one injection-compression molding are provided with the top of copper sheet, it is characterised in that：Adjacent commutation copper sheet
Between mill out insulation tank to carry out insulation between plates with circular milling knife, the top Jing arc transition of insulation tank and do not milled through.
2. Hooked reverser as claimed in claim 1, it is characterised in that：The commutation copper sheet is in milling insulation tank and forms crotch
It is front for elongate body, the lateral surface of elongate body is arc surface, and the angle of circumference of arc surface is equal to diverter circumference divided by commutation copper
Angle obtained by piece quantity, the overhead height of the elongate body crotch to be formed is H, and the left and right side of elongate body is in
Meta installs the distance between connected punching breach up and down, the top of upper punching breach and top of elongate body and is less than H,
The gap width of undershoot incised notch mouth is narrower, and the gap width of upper punching breach is wider, and upper punching breach has rushing for radial direction
Incisal bevel, between the punching inclined-plane of neighboring strips body major part bell inwardly is crossed.
3. Hooked reverser as claimed in claim 2, it is characterised in that：The width of insulation tank is 0.5mm, upper punching breach
Twice gap width is equal to 0.25-0.3mm less than insulation well width 0.05mm, the twice gap width of undershoot incised notch mouth.
4. Hooked reverser as claimed in claim 2, it is characterised in that：The left and right side of elongate body and medial surface joint
It is provided with guiding chamfering.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620565998 | 2016-06-13 | ||
| CN2016205659984 | 2016-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099011U true CN206099011U (en) | 2017-04-12 |
Family
ID=58482200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621095604.XU Withdrawn - After Issue CN206099011U (en) | 2016-06-13 | 2016-09-30 | Hook type commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451001A (en) * | 2016-06-13 | 2017-02-22 | 浙江松普换向器有限公司 | Hook-shaped commutator |
-
2016
- 2016-09-30 CN CN201621095604.XU patent/CN206099011U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451001A (en) * | 2016-06-13 | 2017-02-22 | 浙江松普换向器有限公司 | Hook-shaped commutator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180824 |