CN202790415U - Small idle gear - Google Patents
Small idle gear Download PDFInfo
- Publication number
- CN202790415U CN202790415U CN 201220358816 CN201220358816U CN202790415U CN 202790415 U CN202790415 U CN 202790415U CN 201220358816 CN201220358816 CN 201220358816 CN 201220358816 U CN201220358816 U CN 201220358816U CN 202790415 U CN202790415 U CN 202790415U
- Authority
- CN
- China
- Prior art keywords
- gear
- idle gear
- hole
- small idle
- gear disk
- 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 small idle gear which comprises a gear disk. The gear disk is subjected to surface zero-defect and rust-proof treatment, a plurality of gear teeth are arranged around the edge of the gear disk, a tooth groove is reserved between each two adjacent gear teeth, and arc chamfers are arranged on two sides of the bottom of each tooth groove. The middle of the gear disk is provided with a through hole, annular grooves are arranged on the front and the back of the gear disk around the through hole respectively, and the surface of the gear disk between the through hole and each annular groove. The small idle gear is compact in structure, the weight of the small idle gear is reduced since the annular grooves are arranged on the front and the back of the gear disk respectively, and the small idle gear is small in load, low in vibration and stable in rotation speed during operation. By means of the arc chamfers arranged in the tooth grooves, meshing closeness among the small idle gear and other gears is enhanced, and transmission effects are improved. In addition, the grooves arranged on the surface of the gear disk facilitate assembly and disassembly of the small idle gear and a driving shaft and can be used as corrosion resistant liquid filling ports of the driving shaft.
Description
Technical field
The utility model relates to the part field of air compressor, specifically a kind of little idle gear.
Background technique
Air compressor is called for short air compressor, is the main body in the compressed air source unit, and it is the device that the mechanical energy of prime mover (normally motor) is converted to the gas pressure energy, is compressed-air actuated pressure generator.
Little idle gear is the inner common gearing parts of air compressor, and little idle gear and live axle assembling are fixed on the axle, are contained in the air compressor, is engaged in the cylinder with screw rod and rotates, to guarantee the air compressor running.The idle gear of existing air compressor mounted inside vibrates larger in the course of the work, produces a large amount of noises when causing work, for a long time can be so that the wearing and tearing between the gear be larger, and transmission occurs loosening, thereby has influence on the normal operation of air compressor.
The model utility content
The purpose of this utility model provides a kind of little idle gear, at the front and back of wheel disc circular groove is set respectively, alleviates the weight of little idle gear, makes its load in the transmission operation process little, vibrates littlely, and rotating speed is steady; Arc angling is set in teeth groove, strengthens the tightness that meshes between little idle gear and other gears, to improve the transmission effect; In addition, in sheave surface fluting is set, comes assembling and the dismounting of convenient little idle gear and live axle.
The technical solution of the utility model is as follows:
A kind of little idle gear, include by surperficial zero defect and carry out antirust processing wheel disc, edge, surrounding around wheel disc has a plurality of gear teeth respectively, and it is characterized in that: have teeth groove between adjacent two gear teeth, the both sides of described teeth groove bottom land are respectively equipped with arc angling; The middle part of described wheel disc is provided with through hole, and the front and back that centers on through hole wheel disc on every side is respectively equipped with circular groove, and the sheave surface between through hole and circular groove is provided with fluting.
Described little idle gear is characterized in that: have rotating shaft from through hole, pass and with the through hole interference fit.
The beneficial effects of the utility model:
The utility model compact structure arranges respectively circular groove at the front and back of wheel disc, has alleviated the weight of little idle gear, makes its load in the transmission operation process little, vibrates littlely, and rotating speed is steady; Arc angling is set in teeth groove, has strengthened the tightness that meshes between little idle gear and other gears, improved the transmission effect; In addition, in sheave surface fluting is set, has made things convenient for assembling and the dismounting of little idle gear and live axle, also can be used as the impregnating fluid spout of live axle.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Referring to Fig. 1, a kind of little idle gear includes by surperficial zero defect and carries out antirust processing wheel disc 1, around the surrounding of wheel disc 1 along having a plurality of gear teeth 2 respectively, has teeth groove 3 between adjacent two gear teeth, and the both sides of teeth groove 3 bottom lands are respectively equipped with arc angling 4; The middle part of wheel disc 1 is provided with through hole 5, and the front and back that centers on through hole 5 wheel disc 1 on every side is respectively equipped with circular groove 6, and wheel disc 1 surface between through hole 5 and circular groove 6 is provided with fluting 7.
In the utility model, have rotating shaft from through hole 5, pass and with through hole 5 interference fit.
Claims (2)
1. little idle gear, include by surperficial zero defect and carry out antirust processing wheel disc, edge, surrounding around wheel disc has a plurality of gear teeth respectively, and it is characterized in that: have teeth groove between adjacent two gear teeth, the both sides of described teeth groove bottom land are respectively equipped with arc angling; The middle part of described wheel disc is provided with through hole, and the front and back that centers on through hole wheel disc on every side is respectively equipped with circular groove, and the sheave surface between through hole and circular groove is provided with fluting.
2. little idle gear according to claim 1 is characterized in that: have rotating shaft from through hole, pass and with the through hole interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358816 CN202790415U (en) | 2012-07-23 | 2012-07-23 | Small idle gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358816 CN202790415U (en) | 2012-07-23 | 2012-07-23 | Small idle gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790415U true CN202790415U (en) | 2013-03-13 |
Family
ID=47817681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358816 Expired - Fee Related CN202790415U (en) | 2012-07-23 | 2012-07-23 | Small idle gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333102A (en) * | 2015-12-16 | 2016-02-17 | 苏州市皓东金属压延五金厂 | Tooth surface driving head |
-
2012
- 2012-07-23 CN CN 201220358816 patent/CN202790415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333102A (en) * | 2015-12-16 | 2016-02-17 | 苏州市皓东金属压延五金厂 | Tooth surface driving head |
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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 |
Granted publication date: 20130313 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |