CN204464715U - Warm-air drier engine commutator - Google Patents
Warm-air drier engine commutator Download PDFInfo
- Publication number
- CN204464715U CN204464715U CN201520165919.6U CN201520165919U CN204464715U CN 204464715 U CN204464715 U CN 204464715U CN 201520165919 U CN201520165919 U CN 201520165919U CN 204464715 U CN204464715 U CN 204464715U
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- CN
- China
- Prior art keywords
- main leaf
- leaf body
- commutation
- copper sheet
- matrix
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- Expired - Fee Related
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Abstract
The utility model discloses warm-air drier engine commutator, comprise commutation matrix and commutation copper sheet, mica sheet is inserted with between adjacent commutation copper sheet, it is characterized in that: commutation copper sheet comprises main leaf body and is located at two fixing feet up and down of main leaf body medial surface, the lateral surface of main leaf body is arc surface isometrical up and down, the lateral surface of main leaf body upper portion offers bonding wire groove along main leaf body short transverse, bonding wire groove is arc-shaped shallow slot, hollow out die cavity is offered along main leaf body short transverse in the centre of main leaf body hypomere part, hollow out die cavity is provided with left and right opening to be run through outward from the left and right side of main leaf body, be provided with the side opening being positioned at hollow type top of chamber to run through outward from the medial surface of main leaf body, interior side opening is positioned at the centre position of upper and lower two fixing feet, fixing feet is implanted in commutation matrix and commutation matrix strong bonded, phenolic moulding powder material and commutation matrix strong bonded is filled in hollow out die cavity.The utility model has the advantage of the low and high strength of cost, improves product hypervelocity performance.
Description
Technical field
The utility model relates to commutator topology field, is specifically related to a kind of warm-air drier engine commutator.
Background technology
Warm-air drier is mainly used in automobile warm-air supply system, and the critical component of warm-air drier is warm braw motor, and the critical component of warm braw motor is tank commutator, and tank commutator is provided with step and on step, offers bonding wire groove and gain the name because of the top of its commutation copper sheet.But commutation copper sheet arranges step just needs stepped portions will have larger consumptive material, and not only cost is high, too increases the moment of inertia of commutation copper sheet simultaneously, also make that commutation copper sheet two ends are stressed to differ greatly, be unfavorable for the raising of product strength and hypervelocity performance; Also have, improving the hypervelocity aspect of performance of tank commutator, consider at present usually only the structure of the fixing feet by improving commutation copper sheet, quantity and reinforcing ring strengthen tank commutator shaping time commutation copper sheet and phenolic moulding powder between adhesion, whom various equivalent modifications do not have can consider by the architecture advances of the main leaf body adhesion strengthened between commutation copper sheet and phenolic moulding powder, product strength to be improved, therefore the hypervelocity performance of tank commutator can not improve to a certain extent further, better can not meet the more and more higher rate request of warm-air drier motor.
Summary of the invention
In view of the deficiency of background technology, the purpose of this utility model aims to provide a kind of advantage with the low and high strength of cost, improves the warm-air drier engine commutator of product hypervelocity performance.
The utility model takes following technical scheme:
Warm-air drier engine commutator, comprise by the commutation matrix of phenolic moulding powder material compacting and the commutation copper sheet in the even screening of commutation matrix excircle, mica sheet is inserted with between adjacent commutation copper sheet, it is characterized in that: described commutation copper sheet comprises main leaf body and is located at two fixing feet up and down of main leaf body medial surface, the lateral surface of described main leaf body is arc surface isometrical up and down, the lateral surface of described main leaf body upper portion offers bonding wire groove along main leaf body short transverse, bonding wire groove is arc-shaped shallow slot, hollow out die cavity is offered along main leaf body short transverse in the centre of described main leaf body hypomere part, hollow out die cavity is provided with left and right opening to be run through outward from the left and right side of main leaf body, be provided with the side opening being positioned at hollow type top of chamber to run through outward from the medial surface of main leaf body, interior side opening is positioned at the centre position of upper and lower two fixing feet, described fixing feet is implanted in commutation matrix and commutation matrix strong bonded, phenolic moulding powder material and commutation matrix strong bonded is filled in described hollow out die cavity.
The bottom end face of described commutation matrix is provided with annular projection, and annular projection is around the bottom outer-edge of commutation matrix.
The warm-air drier engine commutator of technique scheme, first, without the commutation copper sheet step of traditional tank commutator, bonding wire groove is improved to arc-shaped shallow slot, traditional spot welding wire soldering technology is replaced with soldering wire soldering technology, because the heating-up temperature of soldering is low, so the position that commutation copper sheet and plain conductor are implemented to weld is without the need for thicker material requirements, namely can meet the demands with arc-shaped shallow slot, thus decrease the material usage of commutation copper sheet, not only reduce cost, also make commutation copper sheet moment of inertia reduce simultaneously, two ends stress balance, thus be conducive to the raising of product strength and hypervelocity performance, in addition, unlike the prior art, warm-air drier engine commutator also by the architecture advances of the main leaf body to commutation copper sheet strengthen tank commutator shaping time and phenolic moulding powder between adhesion, namely hollow out die cavity is set in the centre of main leaf body, and hollow out die cavity is provided with left and right opening and interior side opening, when enabling warm-air drier engine commutator shaping, phenolic moulding powder is fully filled to enter in hollow out die cavity and formed between the main leaf body of commutation copper sheet and is firmly combined, the setting of hollow out die cavity simultaneously reduces the weight of commutation copper sheet self, not only save cost, and effectively improve intensity and the hypervelocity performance of warm-air drier engine commutator, the hypervelocity performance of warm-air drier engine commutator is further enhanced on the basis of existing technology, thus better meet the more and more higher rate request of warm-air drier motor.Last point, the design of the annular projection of commutation base bottom end face can increase bottom commutation copper sheet and the bond strength (under the prerequisite of phenolic moulding powder materials reducing the matrix that commutates) commutated between matrix, is also beneficial to the raising of product strength and hypervelocity performance.
Accompanying drawing explanation
The utility model has following accompanying drawing:
Fig. 1 is structural representation of the present utility model,
Fig. 2 be Fig. 1 overlook directional diagram.
Embodiment
As shown in the figure, the warm-air drier engine commutator of utility model, comprise by the commutation matrix 1 of phenolic moulding powder material compacting and the commutation copper sheet in the even screening of commutation matrix 1 excircle, mica sheet 8 is inserted with between adjacent commutation copper sheet, described commutation copper sheet comprises main leaf body 3 and is located at two fixing feet 2 up and down of main leaf body 3 medial surface, the lateral surface of described main leaf body 3 is arc surfaces isometrical up and down, the lateral surface of described main leaf body 3 upper portion offers bonding wire groove 4 along main leaf body short transverse, bonding wire groove 4 is arc-shaped shallow slot, the degree of depth general control of arc-shaped shallow slot 4 is within 1.6 mm, hollow out die cavity 6 is offered along main leaf body short transverse in the centre of described main leaf body 3 hypomere part, hollow out die cavity 6 is provided with left and right opening to be run through outward from the left and right side of main leaf body 3, be provided with the side opening 5 being positioned at hollow out die cavity 6 top to run through outward from the medial surface of main leaf body 3, interior side opening 5 is positioned at the centre position of upper and lower two fixing feet 2, described fixing feet 2 is implanted in commutation matrix 1 and commutation matrix 1 strong bonded, phenolic moulding powder material and commutation matrix 1 strong bonded is filled in described hollow out die cavity 6, the bottom end face of described commutation matrix 1 is provided with annular projection 7, annular projection 7 is around the bottom outer-edge of commutation matrix 1.
Claims (2)
1. warm-air drier engine commutator, comprise by the commutation matrix of phenolic moulding powder material compacting and the commutation copper sheet in the even screening of commutation matrix excircle, mica sheet is inserted with between adjacent commutation copper sheet, it is characterized in that: described commutation copper sheet comprises main leaf body and is located at two fixing feet up and down of main leaf body medial surface, the lateral surface of described main leaf body is arc surface isometrical up and down, the lateral surface of described main leaf body upper portion offers bonding wire groove along main leaf body short transverse, bonding wire groove is arc-shaped shallow slot, hollow out die cavity is offered along main leaf body short transverse in the centre of described main leaf body hypomere part, hollow out die cavity is provided with left and right opening to be run through outward from the left and right side of main leaf body, be provided with the side opening being positioned at hollow type top of chamber to run through outward from the medial surface of main leaf body, interior side opening is positioned at the centre position of upper and lower two fixing feet, described fixing feet is implanted in commutation matrix and commutation matrix strong bonded, phenolic moulding powder material and commutation matrix strong bonded is filled in described hollow out die cavity.
2. warm-air drier engine commutator as claimed in claim 1, is characterized in that: the bottom end face of described commutation matrix is provided with annular projection, and annular projection is around the bottom outer-edge of commutation matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165919.6U CN204464715U (en) | 2015-03-24 | 2015-03-24 | Warm-air drier engine commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165919.6U CN204464715U (en) | 2015-03-24 | 2015-03-24 | Warm-air drier engine commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464715U true CN204464715U (en) | 2015-07-08 |
Family
ID=53671544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165919.6U Expired - Fee Related CN204464715U (en) | 2015-03-24 | 2015-03-24 | Warm-air drier engine commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464715U (en) |
-
2015
- 2015-03-24 CN CN201520165919.6U patent/CN204464715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160324 |