CN203823030U - Gear planet carrier - Google Patents
Gear planet carrier Download PDFInfo
- Publication number
- CN203823030U CN203823030U CN201420173804.7U CN201420173804U CN203823030U CN 203823030 U CN203823030 U CN 203823030U CN 201420173804 U CN201420173804 U CN 201420173804U CN 203823030 U CN203823030 U CN 203823030U
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- CN
- China
- Prior art keywords
- angle
- planet carrier
- planet
- isosceles triangle
- stand
- 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
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Abstract
The utility model discloses a gear planet carrier which comprises a planet carrier seat and three pins, wherein the front view of the planet carrier seat is an isosceles triangle of which the vertex angle is 62.5 to 63.5 DEG C; the three angles of the planet carrier seat are all provided with angle-covering circular arcs; the three pins are arranged on the vertex angle and the two basic angles of the planet carrier seat respectively, and on the three middle lines of the isosceles triangle respectively; the distances between the central points of the three pins and those of the angle-covering circular arcs of the corresponding angles are the same; a central gear shaft is arranged in the center on the back of the planet carrier seat. The gear planet carrier is simple in structure, and low in noise during the running of a planetary gear.
Description
Technical field
The present invention relates to automotive transmission field, relate in particular to a kind of gear planet carrier for automotive transmission.
Background technique
In automotive transmission, planet carrier plays very important effect, along with the development of automobile industry, the requirement of vibrations noise is also improved constantly, and therefore the requirement of gear planet carrier is also progressively improved.At present, the shape forming between the pin pin of gear planet carrier is equilateral triangle, and this structureborne noise is relatively large.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technological deficiency, and a kind of gear planet carrier that reduces the noise producing when planetary pinion turns round is provided.It is the isosceles triangle of 63 ± 0.5 ° that the planet stand of this gear planet carrier is set to drift angle, the noise producing can greatly reduce planetary pinion running time.
The utility model is realized the scheme that above-mentioned purpose adopts: comprise planet stand and 3 pin pins.The front view of planet stand is that drift angle is the isosceles triangle of 63 ± 0.5 °, three angles of planet stand all have the angle of smearing circular arc, 3 pin pins lay respectively at drift angle place and two base angles place of planet stand, and lay respectively on three center lines of described isosceles triangle, the central point of 3 the pin pins extremely separately distance of the mid point of smearing circular arc border, angle at angle, place equates; The centre at the planet stand back side is provided with central tooth wheel shaft.
Practical application shows, it is the isosceles triangle of 63 ± 0.5 ° that planet stand is set to drift angle, the noise producing can greatly reduce planetary pinion running time.
Brief description of the drawings
In order to be illustrated more clearly in technological scheme of the present invention, to the accompanying drawing of required use in mode of execution be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation (front view) of the utility model gear planet carrier;
Fig. 2 is the rear view of the utility model gear planet carrier.
Embodiment
Below in conjunction with the accompanying drawing in the utility model mode of execution, the technological scheme in the utility model mode of execution is clearly and completely described.
Embodiment one
Please refer to Fig. 1, Fig. 2, a kind of gear planet carrier, comprises planet stand 1 and three pin pins 2;
Planet stand 1 comprises front and the back side, and the front view of planet stand 1 is isosceles triangle, and the drift angle of isosceles triangle is 63 °, and the angle at two base angles is 58.5 ° thus; It is identical that three angles of planet stand 1 all have 101, three centers of circle of smearing angle circular arc 101 of the angle of smearing circular arc, and the center of circle is positioned on the intersection point of three center lines of this isosceles triangle.
Three pin pins 2 lay respectively at drift angle place and two base angles place of planet stand 1, and lay respectively on three center lines of described isosceles triangle, and the central point of three the pin pins 2 extremely separately distance of the mid point of smearing angle circular arc 101 borders at angle, place equates; Three pin pins 2 are all for installing planetary pinion.
The centre at planet stand 1 back side is provided with central tooth wheel shaft 3, for central gear is installed.
Embodiment two
Please refer to Fig. 1, Fig. 2, a kind of gear planet carrier, comprises planet stand 1 and three pin pins 2;
Planet stand 1 comprises front and the back side, and the front view of planet stand 1 is isosceles triangle, and the drift angle of isosceles triangle is 62.5 °, and the angle at two base angles is 58.75 ° thus; Three angles of planet stand 1 all have the angle of smearing circular arc 101.
Three pin pins 2 lay respectively at drift angle place and two base angles place of planet stand 1, and lay respectively on three center lines of described isosceles triangle, and the central point of three the pin pins 2 extremely separately distance of the mid point of smearing angle circular arc 101 borders at angle, place equates; Three pin pins 2 are all for installing planetary pinion.
The centre at planet stand 1 back side is provided with central tooth wheel shaft 3, for central gear is installed.
Embodiment three
Please refer to Fig. 1, Fig. 2, a kind of gear planet carrier, comprises planet stand 1 and three pin pins 2;
Planet stand 1 comprises front and the back side, and the front view of planet stand 1 is isosceles triangle, and the drift angle of isosceles triangle is 63.5 °, and the angle at two base angles is 58.25 ° thus; It is identical that three angles of planet stand 1 all have 101, three centers of circle of smearing angle circular arc 101 of the angle of smearing circular arc, and the center of circle is positioned on the intersection point of three center lines of this isosceles triangle.
Three pin pins 2 lay respectively at drift angle place and two base angles place of planet stand 1, and lay respectively on three center lines of described isosceles triangle, and the central point of three the pin pins 2 extremely separately distance of the mid point of smearing angle circular arc 101 borders at angle, place equates; Three pin pins 2 are all for planetary pinion is installed, and three pin pins 2 just in time form an isosceles triangle, and the drift angle of the isosceles triangle forming is also 63.5 °.
The centre at planet stand 1 back side is provided with central tooth wheel shaft 3, for central gear is installed.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (1)
1. gear planet carrier, comprise planet stand and three pin pins, it is characterized in that, the front view of described planet stand is that drift angle is the isosceles triangle of 63 ± 0.5 °, three angles of described planet stand all have the angle of smearing circular arc, described three pin pins lay respectively at drift angle place and two base angles place of planet stand, and lay respectively on three center lines of described isosceles triangle, and the central point of described three the pin pins extremely separately distance of the mid point of smearing circular arc border, angle at angle, place equates; The centre at the described planet stand back side is provided with central tooth wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173804.7U CN203823030U (en) | 2014-04-10 | 2014-04-10 | Gear planet carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173804.7U CN203823030U (en) | 2014-04-10 | 2014-04-10 | Gear planet carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823030U true CN203823030U (en) | 2014-09-10 |
Family
ID=51478536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173804.7U Expired - Fee Related CN203823030U (en) | 2014-04-10 | 2014-04-10 | Gear planet carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823030U (en) |
-
2014
- 2014-04-10 CN CN201420173804.7U patent/CN203823030U/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: 20140910 Termination date: 20190410 |