CN207009861U - A kind of modified copper aluminium commutator segment and include its commutator - Google Patents
A kind of modified copper aluminium commutator segment and include its commutator Download PDFInfo
- Publication number
- CN207009861U CN207009861U CN201720776294.6U CN201720776294U CN207009861U CN 207009861 U CN207009861 U CN 207009861U CN 201720776294 U CN201720776294 U CN 201720776294U CN 207009861 U CN207009861 U CN 207009861U
- Authority
- CN
- China
- Prior art keywords
- commutator segment
- copper aluminium
- commutator
- modified copper
- link layer
- Prior art date
- 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 - Fee Related
Links
- 239000004411 aluminium Substances 0.000 title claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 150000001879 copper Chemical class 0.000 title claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 27
- 238000002513 implantation Methods 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 229920001342 Bakelite® Polymers 0.000 claims abstract description 10
- 239000004637 bakelite Substances 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 239000007769 metal material Substances 0.000 abstract description 8
- 150000002739 metals Chemical class 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
Disclose a kind of modified copper aluminium commutator segment in the utility model, including with the active section of brush contact and the implantation pin being fixed in bakelite main body, it is characterised in that：The commutator segment is made up of upper and bottom section；The lower part comprises at least implantation pin, and the upper part is made of copper, and the lower part, which is adopted, to be formed from aluminium, and transition link layer is set between described upper and bottom section, for increasing the being firmly combined with property between above-mentioned two parts.The invention also discloses the commutator for including above-mentioned modified copper aluminium commutator segment.By improving the annexation of contact surface between the metal material of copper aluminium two, two metals are firmly combined with after making shaping, realize that commutator cost is low, stable performance, the target of service life length.
Description
Technical field
It the utility model is related to commutator topology field, and in particular to a kind of commutator segment for being used to make commutator.
Background technology
Commutator is a part in order to allow motor persistently to rotate down on AC permanent magnet series-wound motor.Change
Multiple commutator segments that are circumferentially disposed and surrounding ring-type are generally comprised to device, commutator segment majority is made up of copper product.Although
The electric conductivity of copper is preferable, but its density is big, and in the case of same volume, quality is big, and centrifugal force is big, and commutator is made with this material,
It is difficult to improve the mechanical performance of commutator, in addition, copper product price is of a relatively high, fine copper commutator segment cost is high, causes product to give birth to
It is high to produce cost.
Also have in recent years using bimetallic commutator segment, the i.e. material with copper material expansion coefficient similar, cost can be reduced.
This kind of bimetal commutator bar side often due to two kinds of metals contact surface combine it is insecure, motor run at high speed produce it is huge from
There is the bounce of brush in mental power function and film flying or film dancing phenomenon occur for commutator segment.Commutator usability made of further influenceing
Energy.
Utility model content
The purpose of this utility model is to provide a kind of modified copper aluminium commutator, by improving between the metal material of copper aluminium two
The annexation of contact surface, above-mentioned two metal is firmly combined with after making shaping.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of modified copper aluminium commutator, including with electricity
The implantation pin brushed the active section of contact and be fixed in bakelite main body, it is characterised in that：The commutator segment is by upper part and bottom
It is grouped into；Lower part comprises at least implantation pin, and the upper part is made of copper, and the lower part, which is adopted, to be formed from aluminium, described
Transition link layer is set between upper and bottom section, for increasing the being firmly combined with property between above-mentioned two parts.
A kind of modified copper aluminium commutator segment is provided in the utility model, by improving contact surface between the metal material of copper aluminium two
Annexation, two metals are firmly combined with after making shaping, realize that commutator cost is low, stable performance, service life length target.
On the basis of above-mentioned technical proposal, following improvement can be done：
As preferable scheme, the contact surface of the upper and bottom section and transition link layer sets Access Division and clamping
Auxiliary section.
Using above-mentioned preferred scheme, the combination degree of reinforcement commutator segment upper and lower part and transition link layer.
As preferable scheme, the upper part is the upper semisection of active section, and the lower part includes the lower half of active section
Section and implantation pin, upper and bottom section is plane contact；The Access Division is respectively placed in the transition link layer both sides
At least more than two reinforcements；The reinforcement of transition link layer the upper side and lower side is interlaced with each other, and reinforcement cross-sectional area is greater than
240 ° of circular arc type；The clamping engagement portion is the circular arc matched with above-mentioned reinforcement set with the upper and bottom section
Connected in star.
Using above-mentioned preferred scheme, further strengthen the combination of commutator segment upper and lower part and transition link layer.
As preferable scheme, the upper part is active section, and the lower part is implantation pin, and lower part is convex by first
Block inserts upper part；The Access Division is the groove that the projection that the transition link layer side is set and opposite side are set, described
Access Division auxiliary section is the groove or projection that are matched with the Access Division that upper and bottom section is set.
Using above-mentioned preferred scheme, further strengthen the combination of commutator segment upper and lower part and transition link layer.As preferred
Scheme, described transition link layer is graphite linings.
,, can be with while the combination of the metal of clamping copper aluminium two on the basis of ensureing electric conductivity using above-mentioned preferred scheme
Two metal materials are avoided directly to contact generation chemical attack.
Preferably, the centre of the implantation pin is provided with some hollow out die cavities along commutator segment short transverse.
Preferably, the side of the implantation pin and bakelite body contact sets dovetail groove.
Using above-mentioned preferred scheme, in order to increase the combination degree between bakelite main body and commutator segment main body.
As preferable scheme, the outer surface of upper part and brush contact coats wear-resistant conductive material.
Using above-mentioned preferred scheme, increase wear-resistant degree, improve service life.
A kind of modified copper aluminium commutator, it is characterised in that including copper aluminium commutator segment as described above.
Modified copper aluminium commutator of the present utility model as a result of modified copper aluminium commutator segment of the present utility model, because
This, by improving the annexation of contact surface between the metal material of copper aluminium two, two metals are firmly combined with after making shaping, realize commutation
Device cost is low, stable performance, the target of service life length.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of modified commutator segment structural representation of embodiment of the present utility model；
Fig. 2 is a kind of side view of the modified commutator segment of embodiment of the present utility model；
Fig. 3 is a kind of structural representation of the transition link layer of embodiment of the present utility model；
Fig. 4 is the modified commutator segment structural representation of another embodiment of the present utility model.
Wherein, 1. upper part, 2. lower parts, 3. transition link layers, 4. reinforcements, 5. first projections, 6. hollow out die cavities, 7.
Dovetail groove.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
To reach the purpose of this utility model, as shown in Figures 1 to 4, a kind of modified copper aluminium commutator, including with brush
The active section of contact and the implantation pin being fixed in bakelite main body, it is characterised in that：The commutator segment is by upper part 1 and lower part
2 compositions；Lower part 2 comprises at least implantation pin, and the upper part 1 is made of copper, and the lower part 2, which is adopted, to be formed from aluminium, described
Upper part 1 and lower part 2 between set transition link layer 3, for increasing the being firmly combined with property between above-mentioned two parts.
A kind of modified copper aluminium commutator is provided in the utility model, by improving contact surface between the metal material of copper aluminium two
Annexation, two metals are firmly combined with after making shaping, realize that commutator cost is low, stable performance, service life length target.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the contact surface of the upper and bottom section and transition link layer sets Access Division and clamping engagement portion.
Using above-mentioned preferred scheme, the combination degree of reinforcement commutator segment upper and lower part and transition link layer.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the upper part 1 is the upper semisection of active section, and the lower part 2 includes lower semisection and the implantation of active section
Pin, upper part 1 and lower part 2 are plane contacts；The Access Division is be respectively placed in the transition link layer both sides at least two
Bar above reinforcement 4；The reinforcement of transition link layer the upper side and lower side is interlaced with each other, and reinforcement cross-sectional area is greater than 240 °
Circular arc type；The clamping engagement portion is that the circular arc matched with above-mentioned reinforcement set with the upper and bottom section is recessed
Groove.
Using above-mentioned preferred scheme, further strengthen the combination of commutator segment upper and lower part and transition link layer.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the upper part 1 is active section, and the lower part 2 is implantation pin, and lower part 2 is inserted by the first projection 5
Upper part；The Access Division is the square groove that the bumping square that the transition link layer side is set and opposite side are set, institute
It is the groove or projection that are matched with the Access Division that upper and bottom section is set to state Access Division auxiliary section.
Using above-mentioned preferred scheme, further strengthen the combination of commutator segment upper and lower part and transition link layer.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, described transition link layer 3 is graphite linings.
,, can be with while the combination of the metal of clamping copper aluminium two on the basis of ensureing electric conductivity using above-mentioned preferred scheme
Two metal materials are avoided directly to contact generation chemical attack.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the centre of the implantation pin is provided with some hollow out die cavities 6 along commutator segment short transverse.
Using above-mentioned preferred scheme, increase the combination degree between bakelite main body and commutator segment main body.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the side of the implantation pin and bakelite body contact sets dovetail groove 7.
Using above-mentioned preferred scheme, also for the combination degree between increase bakelite main body and commutator segment main body.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the outer surface of upper part and brush contact coats wear-resistant conductive material.
Using above-mentioned preferred scheme, increase wear-resistant degree, improve service life.
A kind of modified copper aluminium commutator, it is characterised in that including modified copper aluminium commutator segment as described above.
Therefore modified copper aluminium commutator of the present utility model, passes through as a result of above-mentioned modified copper aluminium commutator segment
The annexation of contact surface between the metal material of improvement copper aluminium two, two metals are firmly combined with after making shaping, realize commutator cost
It is low, stable performance, the target of service life length.
The utility model is only disclosed with preferred embodiment above, so itself and be not used to limit the utility model, all uses
The technical scheme that equivalent substitution or equivalent transformation mode are obtained, all falls within the scope of protection of the utility model.
Claims (9)
1. a kind of modified copper aluminium commutator segment, including with the active section of brush contact and the implantation pin being fixed in bakelite main body,
It is characterized in that：The commutator segment is made up of upper and bottom section；The lower part comprises at least implantation pin, the upper part
It is made of copper, the lower part, which is adopted, to be formed from aluminium, and transition link layer is set between described upper and bottom section, for increasing
Plus the being firmly combined with property stated between two parts.
2. modified copper aluminium commutator segment according to claim 1, it is characterised in that the upper and bottom section and transition
The contact surface of articulamentum sets Access Division and clamping engagement portion.
3. modified copper aluminium commutator segment according to claim 2, it is characterised in that the upper part is the upper half of active section
Section, the lower part include the lower semisection and implantation pin of active section, and the upper part and the lower part are plane contacts；It is described
Access Division is at least more than two reinforcements for being respectively placed in the transition link layer both sides；Transition link layer the upper side and lower side
Reinforcement is interlaced with each other, and reinforcement cross-sectional area is greater than 240 ° of circular arc type；The clamping engagement portion be the upper part and
The circular groove matched with above-mentioned reinforcement that lower part is set.
4. modified copper aluminium commutator segment according to claim 2, it is characterised in that the upper part is active section, described
Lower part is implantation pin, and lower part inserts upper part by the first projection；The Access Division is that the transition link layer side is set
The groove that the projection and opposite side put are set, the clamping engagement portion are that upper and bottom section is setting with the Access Division
The groove or projection matched somebody with somebody.
5. modified copper aluminium commutator segment according to claim 1, it is characterised in that the transition link layer is graphite linings.
6. the modified copper aluminium commutator segment according to any one of claim 3 or 4, it is characterised in that in the implantation pin
Between be provided with some hollow out die cavities along commutator segment short transverse.
7. modified copper aluminium commutator segment according to claim 6, it is characterised in that the implantation pin and bakelite body contact
Side set dovetail groove.
8. modified copper aluminium commutator segment according to claim 1, it is characterised in that the upper part and brush contact it is outer
Surface coats wear-resistant conductive material.
9. a kind of modified copper aluminium commutator, it is characterised in that including the copper aluminium commutator segment described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776294.6U CN207009861U (en) | 2017-06-29 | 2017-06-29 | A kind of modified copper aluminium commutator segment and include its commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776294.6U CN207009861U (en) | 2017-06-29 | 2017-06-29 | A kind of modified copper aluminium commutator segment and include its commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207009861U true CN207009861U (en) | 2018-02-13 |
Family
ID=61449272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720776294.6U Expired - Fee Related CN207009861U (en) | 2017-06-29 | 2017-06-29 | A kind of modified copper aluminium commutator segment and include its commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207009861U (en) |
-
2017
- 2017-06-29 CN CN201720776294.6U patent/CN207009861U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 |