CN203384323U - Middle planet gear - Google Patents
Middle planet gear Download PDFInfo
- Publication number
- CN203384323U CN203384323U CN201320318692.5U CN201320318692U CN203384323U CN 203384323 U CN203384323 U CN 203384323U CN 201320318692 U CN201320318692 U CN 201320318692U CN 203384323 U CN203384323 U CN 203384323U
- Authority
- CN
- China
- Prior art keywords
- central shaft
- shaft hole
- gear body
- hole
- middle planet
- 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
Abstract
The utility model discloses a middle planet gear which comprises a gear body. A central shaft hole is formed in the gear body, a conical hole communicated with the central shaft hole is formed on one side face of the gear body, and the size of the conical hole is larger than that of the central shaft hole. By arranging the conical hole larger than the central shaft hole in size, convenience is brought to the middle planet gear for aligning and correcting with other parts during mounting; the middle planet gear is convenient to connect and operate.
Description
Technical field
The utility model relates to a kind of middle planet wheel.
Background technique
Middle planet wheel of the prior art, comprise the gear body, offer central shaft hole on described gear body, usually the end of central shaft hole is mutually concordant with the end of gear body, make when connection, the aligning of central shaft hole is more inconvenient, is unfavorable for installing, correcting, and uses, operates trouble.
The model utility content
The purpose of this utility model is to overcome the defect existed in prior art, and a kind of middle planet wheel is provided, and by offering cone shape hole, is convenient to aim at convenient the connection during connection.
For achieving the above object, the technical solution of the utility model has been to provide a kind of middle planet wheel, comprise the gear body, offer central shaft hole on described gear body, one side opening of described gear body is provided with the cone shape hole be connected with described central shaft hole, and the size of described cone shape hole is greater than the size of described central shaft hole.
As preferably, in described central shaft hole and described cone shape hole, offer keyway.
As preferably, described keyway is rectangle groove, curve bath or dovetail groove.
As preferably, the outer surface of the gear teeth of described gear body is provided with wearing layer.
As preferably, the surface of described central shaft hole is provided with reticulate pattern.
Advantage of the present utility model and beneficial effect are: be greater than the cone shape hole of central shaft hole by a size is set, when being convenient to middle planet wheel and installing with the aiming at of other parts, rectification, convenient connection, easy to operate.
The accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
In figure: 1, gear body; 2, central shaft hole; 3, cone shape hole; 4, keyway; 5, the gear teeth.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of middle planet wheel, comprise gear body 1, on described gear body 1, offers central shaft hole 2, one side opening of described gear body 1 is provided with the cone shape hole 3 be connected with described central shaft hole 2, and the size of described cone shape hole 3 is greater than the size of described central shaft hole 2.
As shown in Figure 1, in described central shaft hole 2 and described cone shape hole 3, offer keyway 4, described keyway 4 is rectangle groove, is convenient to processing, and without diagram, described keyway 4 can also be curve bath or dovetail groove.
As shown in Figure 1, the outer surface of the gear teeth 5 of described gear body 1 is provided with wearing layer, increases the wear resistance of the gear teeth 5, improves working life.
Without diagram, the surface of described central shaft hole 2 is provided with reticulate pattern, by reticulate pattern is set, improves the intensity of central shaft hole 2.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. planet wheel in a kind, it is characterized in that: comprise the gear body, offer central shaft hole on described gear body, one side opening of described gear body is provided with the cone shape hole be connected with described central shaft hole, the size of described cone shape hole is greater than the size of described central shaft hole, and the surface of described central shaft hole is provided with reticulate pattern.
2. middle planet wheel as claimed in claim 1, is characterized in that: in described central shaft hole and described cone shape hole, offer keyway.
3. middle planet wheel as claimed in claim 2, it is characterized in that: described keyway is rectangle groove, curve bath or dovetail groove.
4. middle planet wheel as claimed in claim 1, it is characterized in that: the outer surface of the gear teeth of described gear body is provided with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320318692.5U CN203384323U (en) | 2013-06-04 | 2013-06-04 | Middle planet gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320318692.5U CN203384323U (en) | 2013-06-04 | 2013-06-04 | Middle planet gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384323U true CN203384323U (en) | 2014-01-08 |
Family
ID=49872817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320318692.5U Expired - Fee Related CN203384323U (en) | 2013-06-04 | 2013-06-04 | Middle planet gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384323U (en) |
-
2013
- 2013-06-04 CN CN201320318692.5U patent/CN203384323U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140604 |