CN205689722U - A kind of countershaft-gear for automobile engine - Google Patents
A kind of countershaft-gear for automobile engine Download PDFInfo
- Publication number
- CN205689722U CN205689722U CN201620730858.8U CN201620730858U CN205689722U CN 205689722 U CN205689722 U CN 205689722U CN 201620730858 U CN201620730858 U CN 201620730858U CN 205689722 U CN205689722 U CN 205689722U
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- gear
- shaft hole
- face
- wall
- teeth
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Abstract
A kind of countershaft-gear for automobile engine, including gear ring body, the gear teeth, teeth groove, arc angling, stepped hole, shaft hole, end face oil groove, wheel disc, fillet, it is characterized in that: the outer wall of described gear ring body is uniform-distribution with the gear teeth, a teeth groove is had between adjacent two gear teeth, described teeth groove bottom land both sides are provided with arc angling, the end face of described wheel disc offers stepped hole, other end offers shaft hole, it is provided with three end face oil grooves on shaft hole outer wall and stepped hole inner wall end surface, three end face oil grooves are uniformly distributed along the circumferencial direction of shaft hole, end face oil groove plays the effect of storage lubricating oil, it is lubricated when end face occurs friction.It is provided with three end face oil grooves on this utility model shaft hole outer wall and stepped hole inner wall end surface, three end face oil grooves are uniformly distributed along the circumferencial direction of shaft hole, end face oil groove plays the effect of storage lubricating oil, is lubricated when end face occurs friction, improves the service life of countershaft-gear.
Description
Technical field
This utility model belongs to automobile engine field of gears, a kind of jackshaft for automobile engine
Gear.
Background technology
The gear arranged on jackshaft in prior art, gear runs a period of time, and its lubricity reduces, during working gear
The lubrication not obtained, easily occurs that gear wear runs the situation of jam, can reduce the service life of gear.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of countershaft-gear for automobile engine, rotating shaft
Being provided with three end face oil grooves on hole outer wall and stepped hole inner wall end surface, three end face oil grooves are uniform along the circumferencial direction of shaft hole
Distribution, end face oil groove plays the effect of storage lubricating oil, is lubricated when end face occurs friction, improves the use of countershaft-gear
Life-span；Have rotating shaft from shaft hole through and with shaft hole interference fit, gear ring body outer wall is configured to wheel disc outer wall junction
Fillet, it is ensured that the intensity of gear.
The technical solution of the utility model is: a kind of countershaft-gear for automobile engine, including gear ring body, wheel
Tooth, teeth groove, arc angling, stepped hole, shaft hole, end face oil groove, wheel disc, fillet, it is characterised in that: outside described gear ring body
Wall is uniform-distribution with the gear teeth, has a teeth groove, described teeth groove bottom land both sides to be provided with arc angling between adjacent two gear teeth, described takes turns
The end face of dish offers stepped hole, and other end offers shaft hole, and shaft hole outer wall and stepped hole inner wall end surface are arranged
Having three end face oil grooves, three end face oil grooves are uniformly distributed along the circumferencial direction of shaft hole, and end face oil groove plays storage lubricating oil
Effect, is lubricated when end face occurs friction, have rotating shaft from shaft hole through and with shaft hole interference fit, this is the most external for gear ring
Wall and wheel disc outer wall junction are configured to fillet, it is ensured that the intensity of gear.
The beneficial effects of the utility model are: this utility model provides a kind of countershaft-gear for automobile engine,
Being provided with three end face oil grooves on shaft hole outer wall and stepped hole inner wall end surface, three end face oil grooves are along the circumferencial direction of shaft hole
Being uniformly distributed, end face oil groove plays the effect of storage lubricating oil, is lubricated when end face occurs friction, improves countershaft-gear
Service life；Have rotating shaft from shaft hole through and with shaft hole interference fit, gear ring body outer wall and wheel disc outer wall junction structure
Cause fillet, it is ensured that the intensity of gear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view at A-A in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 part 2 gear teeth.
Fig. 4 is sectional view at B-B in Fig. 3.
Fig. 5 is the enlarged drawing of C portion in Fig. 2.
Fig. 6 is the enlarged drawing of D part in Fig. 2.
Fig. 7 is the enlarged drawing of E part in Fig. 2.
Fig. 8 is three dimensional structure schematic diagram of the present utility model.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8,1. gear ring body, the 2. gear teeth, 3. teeth groove, 4. arc falls
Angle, 5. stepped hole, 6. shaft hole, 7. end face oil groove, 8. wheel disc, 9. fillet.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, this utility model is a kind of for automobile engine
Countershaft-gear, including gear ring body 1, the gear teeth 2, teeth groove 3, arc angling 4, stepped hole 5, shaft hole 6, end face oil groove 7, wheel
Dish 8, fillet 9, it is characterised in that: the outer wall of described gear ring body 1 is uniform-distribution with the gear teeth 2, has one between adjacent two gear teeth 2
Teeth groove 3, described teeth groove 3 bottom land both sides are provided with arc angling 4, and the end face of described wheel disc 8 offers stepped hole 5, other end
Offer shaft hole 6, shaft hole 6 outer wall and stepped hole 5 inner wall end surface are provided with three end face oil grooves 7, three end face oil grooves 7
Circumferencial direction along shaft hole 6 is uniformly distributed, and end face oil groove 7 plays the effect of storage lubricating oil, carries out when end face occurs friction
Lubrication, have rotating shaft from shaft hole 6 through and with shaft hole 6 interference fit, gear ring body 1 outer wall and wheel disc 8 outer wall junction structure
Cause fillet 9, it is ensured that the intensity of gear.
The bottom land both sides of teeth groove 3 are provided with arc angling 4, and gear tooth 2 is designed with arc angling 4 can reduce meshing gear
Between friction, reduce gear abrasion, increase compressor gear life-span, the gear teeth 2, arc angling 4 structure are as shown in Figure 3；
The end face of wheel disc 8 offers stepped hole 5, and other end offers shaft hole 6, shaft hole 6 outer wall and stepped hole 5
Being provided with three end face oil grooves 7 on inner wall end surface, three end face oil grooves 7 are uniformly distributed along the circumferencial direction of shaft hole 6, end face oil
Groove 7 plays the effect of storage lubricating oil, is lubricated when end face occurs friction, have rotating shaft from shaft hole 6 through and with shaft hole 6
Interference fit, gear ring body 1 outer wall and wheel disc 8 outer wall junction are configured to fillet 9, it is ensured that the intensity of gear.
It follows that this utility model provides a kind of countershaft-gear for automobile engine, shaft hole outer wall and platform
Being provided with three end face oil grooves on the inner wall end surface of hole, rank, three end face oil grooves are uniformly distributed along the circumferencial direction of shaft hole, end face
Oil groove plays the effect of storage lubricating oil, is lubricated when end face occurs friction, improves the service life of countershaft-gear；Have and turn
Axle passes from shaft hole and is configured to fillet with shaft hole interference fit, gear ring body outer wall and wheel disc outer wall junction, it is ensured that
The intensity of gear.
Claims (1)
1. for the countershaft-gear of automobile engine, including gear ring body, the gear teeth, teeth groove, arc angling, stepped hole,
Shaft hole, end face oil groove, wheel disc, fillet, it is characterised in that: the outer wall of described gear ring body is uniform-distribution with the gear teeth, and adjacent two
Having a teeth groove, described teeth groove bottom land both sides to be provided with arc angling between the individual gear teeth, the end face of described wheel disc offers stepped hole,
Other end offers shaft hole, and shaft hole outer wall and stepped hole inner wall end surface are provided with three end face oil grooves, three end faces
Oil groove is uniformly distributed along the circumferencial direction of shaft hole, and end face oil groove plays the effect of storage lubricating oil, enters when end face occurs friction
Row lubrication, has rotating shaft pass from shaft hole and construct with shaft hole interference fit, gear ring body outer wall and wheel disc outer wall junction
Become fillet, it is ensured that the intensity of gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730858.8U CN205689722U (en) | 2016-06-22 | 2016-06-22 | A kind of countershaft-gear for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730858.8U CN205689722U (en) | 2016-06-22 | 2016-06-22 | A kind of countershaft-gear for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689722U true CN205689722U (en) | 2016-11-16 |
Family
ID=57259446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730858.8U Active CN205689722U (en) | 2016-06-22 | 2016-06-22 | A kind of countershaft-gear for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689722U (en) |
-
2016
- 2016-06-22 CN CN201620730858.8U patent/CN205689722U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |