CN201025079Y - General-purpose gasoline camshaft - Google Patents
General-purpose gasoline camshaft Download PDFInfo
- Publication number
- CN201025079Y CN201025079Y CNU2007201240794U CN200720124079U CN201025079Y CN 201025079 Y CN201025079 Y CN 201025079Y CN U2007201240794 U CNU2007201240794 U CN U2007201240794U CN 200720124079 U CN200720124079 U CN 200720124079U CN 201025079 Y CN201025079 Y CN 201025079Y
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- CN
- China
- Prior art keywords
- cam
- axle
- gear
- hole
- inlet
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- 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 cam shaft for general petrol engine and consists of a shaft, a gear, an inlet cam and an exhaust cam. The utility model is characterized in that: the inlet and exhaust cam that are provided with shaft holes and are formed by sintered metal powder, non powder metal and the cam locking mechanism are integrated. The utility model has the advantages of low cost, simple technique and long service life. The utility model can greatly improve the replace efficiency of the cam on the cam shaft to make the replacement of the inlet and exhaust cam altered within two days. Meanwhile, the intensity is high, the flexibility is good and the fray to the accessories is low.
Description
(1), affiliated technical field
The utility model relates to a kind of general gasoline engines accessory, particularly small-sized general purpose petrol engine cam axle.
(2), technical background
Original general purpose petrol engine cam axle is generally the full-metallic one-piece camshaft, and it has advantages such as intensity height, good toughness and inlet and outlet cam long service life.But there is the manufacture cycle long, manufacture cost is high, be unfavorable for the multiple batches of production of small lot, be subjected to machining error to influence shortcomings such as big, and driving gear is hard tooth, operating noise is big, moreover camshaft is enterprising, the shape line of exhaust cam, can need change along with the regular variation of design, this is for the full-metallic one-piece camshaft, and shape line of every change needs to spend 20 Working days usually at least, operational sequence is comparatively complicated, and it is very low to change efficient; In addition, a kind of all-plastic one-piece camshaft is arranged also, it has advantages such as stable drive, transmission noise are low, but its thermal distortion is big, conformity be cannot say for sure card, can cause power to descend and discharging exceeds standard because of thermal distortion during use, more and more causes the attention of industry.
(3), summary of the invention
The purpose of this utility model just provide a kind of with low cost, technology is easy and the general purpose petrol engine cam axle of long service life, it can improve the replacing efficient of camshaft overhead cam significantly.
The purpose of this utility model is to realize that by such technological scheme it includes axle, gear, intake cam and exhaust cam, it is characterized in that; By being integral by the cam locking mechanism is affixed each other between the inlet and outlet cam in the tape spool hole of powdered metal sintering or non-powdered metal extrusion moulding and the axle.
In the utility model, axle is the branch body structure with cam, is solidified as a whole each other by the cam locking mechanism, and constituting camshaft, its connects firm and assembling and dismantle very convenient.When shape line enterprising when camshaft, exhaust cam will change because of the demand that designs, the operator just can directly carry out operation to the inlet and outlet cam, process needed shape line, the operation of this process is simple, inlet and outlet cam on the camshaft just can be changed in two days, the quick and convenience of the ten minutes that operates.Simultaneously, the inlet and outlet cam that adopts the powdered metal sintering to form, not only process easy, intensity is high, and is and with low cost, greatly reduces the cost of camshaft.
Owing to adopted technique scheme, the utlity model has with low cost, technology is easy and the advantage of long service life, it can improve the replacing efficient of camshaft overhead cam significantly, shape line on the inlet and outlet cam just can be changed in two days, while intensity height, good toughness, little to the wearing and tearing of counterpart, and noise is low, and the modular construction that it had is fit to small lot, multiple batches of production.
(4), description of drawings
Fig. 1 is the new structural representation of this practicality;
Fig. 2 is the first kind of sectional view of A-A among Fig. 1;
Fig. 3 is the second kind of sectional view of A-A among Fig. 1;
Fig. 4 is the third sectional view of A-A among Fig. 1;
Fig. 5 is the first kind of sectional view of B-B among Fig. 1;
Fig. 6 is the second kind of sectional view of B-B among Fig. 1;
Fig. 7 is the third sectional view of B-B among Fig. 1;
Among the figure: the 1-axle; The 2-gear; The 3-intake cam; 4-exhaust gear; The 5-axis hole; The 6-woodruff key; The 7-keyway; The 8-restraining groove; The 9-pin; The 10-through hole; The 11-hole of ascending the throne; The 12-spline; The 13-spline; The 14-axis hole; The 15-woodruff key; The 16-keyway; The 17-restraining groove; The 18-pin; The 19-through hole; The 20-spacing hole; The 21-spline; The 22-spline.
(5), embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Shown in Fig. 1,2,3 or 4, the utility model includes axle 1, gear 2, intake cam 3 and exhaust cam 4, it is characterized in that: by being integral by the cam locking mechanism is affixed each other between the inlet and outlet cam 3,4 in the tape spool hole 5 of powdered metal sintering or non-powdered metal extrusion moulding and spool 1.
The utility model is to use like this: axle 1 is the branch body structure with inlet and outlet cam 3,4, is solidified as a whole each other by the cam locking mechanism, and to constitute camshaft, it connects firm and assembling and convenient disassembly.When shape line enterprising when camshaft, exhaust cam 3,4 will change because of the demand that designs, the operator just can directly carry out operation to inlet and outlet cam 3,4, process needed shape line, the operation of this process is simple, inlet and outlet cam 3,4 on the camshaft just can be changed in two days, the quick and convenience of the ten minutes that operates.Simultaneously, the inlet and outlet cam 3,4 that adopts the powdered metal sintering to form, not only process easy, intensity is high, and is and with low cost, greatly reduces the cost of camshaft.Certainly, inlet and outlet cam 3,4 also can be made by non-powdered metal as required.
As shown in Figure 2, the cam locking mechanism comprises woodruff key 6, be arranged at the keyway 7 on the axle 1 and be arranged on inlet and outlet cam 3,4 axis holes 5 inwalls with woodruff key 6 corresponding restraining grooves 8, woodruff key 6 is positioned at the cavity that key poor 7 and restraining groove 8 are surrounded, with an inlet and outlet cam 3,4 and 1 affixed each other being integral.
As shown in Figure 3, the cam locking mechanism comprises pin 9, be arranged at the through hole 10 on the axle 1 and be arranged on inlet and outlet cam 3,4 axis holes 5 inwalls with through hole 10 corresponding spacing holes 11, pin 9 passes through hole 10 and two ends are positioned at spacing hole 11, with inlet and outlet cam 3,4 and axle 1 affixed each other being integral.
As shown in Figure 4, the cam locking mechanism comprise be arranged at axle on 1 excircle spline 12 and be arranged on inlet and outlet cam 3,4 shaft hole inner walls with spline 12 corresponding splines 13, axle 1 and spline 12, spline 13 affixed are integral of inlet and outlet cam 3,4 by mating with each other.
Shown in Fig. 1,5,6 or 7, described gear 1 is provided with axis hole 14, is integral by the gear locking mechanism is affixed each other between gear 2 and the axle 1.Described gear 2 can use the processing of reinforced plastic or metal according to the technical requirements of product, also can change the outfit according to client's needs temporarily.
As shown in Figure 5, the gear locking mechanism comprises woodruff key 15, be arranged at the keyway 16 on the axle 1 and be arranged on gear 2 axis holes 14 inwalls with woodruff key 15 corresponding restraining grooves 17, woodruff key 15 is positioned at the cavity that keyway 16 and restraining groove 17 are surrounded, with a gear 2 and axle 1 affixed each other being integral.
As shown in Figure 6, the sealed machine of gear comprises pin 18, be arranged at the through hole 19 on the axle 1 and be arranged on gear 2 axis holes 14 inwalls with through hole 19 corresponding spacing holes 20, pin 18 passes pin-and-hole 19 and two ends are positioned at spacing hole 20, with gear 2 and axle 1 affixed each other being integral.
As shown in Figure 7, the gear locking mechanism comprise be arranged at axle on 1 excircle spline 21 and be arranged on gear 2 axis holes 14 inwalls with spline 21 corresponding splines 22, axle 1 and spline 21, spline 22 affixed are integral of gear 2 by mating with each other.
As Fig. 2 and 5, or Fig. 3 and 6, or shown in Fig. 4 and 7, described camshaft can be by independent inlet and outlet camshaft, gear and affixed the forming of axle, the inlet and outlet camshaft of making by powdered metal or non-powdered metal wherein, plastics or metal gear, and axle all can be processed into the accessory of different size, when the user needs, can carry out different assemblings on request, satisfy different technical requirementss.
Claims (8)
1. general purpose petrol engine cam axle, include axle (1), a gear (2), intake cam (3) and exhaust cam (4), it is characterized in that: by being integral by the cam locking mechanism is affixed each other between the inlet and outlet cam (3,4) in the tape spool hole (5) of powdered metal sintering or non-powdered metal extrusion moulding and spool (1).
2. general purpose petrol engine cam axle as claimed in claim 1, it is characterized in that: the cam locking mechanism comprises woodruff key (6), be arranged at the keyway (7) on the axle (1) and be arranged on inlet and outlet cam (3,4) axis holes (5) inwall with the corresponding restraining groove of woodruff key (6) (8), woodruff key (6) is positioned at the cavity that keyway (7) and restraining groove (8) are surrounded, and (1) is affixed each other is integral with inlet and outlet cam (3,4) and axle.
3. general purpose petrol engine cam axle as claimed in claim 1, it is characterized in that: the cam locking mechanism comprises pin (9), be arranged at the through hole (10) on the axle (1) and be arranged on inlet and outlet cam (3,4) axis holes (5) inwall with the corresponding spacing hole of through hole (10) (11), pin (9) passes through hole (10) and two ends are positioned at spacing hole (11), and (1) is affixed each other is integral with inlet and outlet cam (3,4) and axle.
4. general purpose petrol engine cam axle as claimed in claim 1, it is characterized in that: the cam locking mechanism comprise be arranged at axle on (1) excircle spline (12) and be arranged on inlet and outlet cam (3, the 4) shaft hole inner wall with the corresponding spline of spline (12) (13), axle (1) and spline (12), spline (13) affixed be integral of inlet and outlet cam (3,4) by mating with each other.
5. as claim 1,2,3 or 4 described general purpose petrol engine cam axles, it is characterized in that: described gear (2) is provided with axis hole (14), is integral by the gear locking mechanism is affixed each other between gear (2) and the axle (1).
6. general purpose petrol engine cam axle as claimed in claim 5, it is characterized in that: the gear locking mechanism comprises woodruff key (15), be arranged at the keyway (16) on the axle (1) and be arranged on gear (2) axis hole (14) inwall with the corresponding restraining groove of woodruff key (15) (17), woodruff key (15) is positioned at the cavity that keyway (16) and restraining groove (17) are surrounded, and (1) is affixed each other is integral with gear (2) and axle.
7. general purpose petrol engine cam axle as claimed in claim 5, it is characterized in that: the sealed machine of gear comprises pin (18), be arranged at the through hole (19) on the axle (1) and be arranged on gear (2) axis hole (14) inwall with the corresponding spacing hole of through hole (19) (20), pin (18) passes pin-and-hole (19) and two ends are positioned at spacing hole (20), and (1) is affixed each other is integral with gear (2) and axle.
8. general purpose petrol engine cam axle as claimed in claim 5, it is characterized in that: the gear locking mechanism comprise be arranged at axle on (1) excircle spline (21) and be arranged on gear (2) axis hole (14) inwall with the corresponding spline of spline (21) (22), axle (1) and spline (21), spline (22) affixed be integral of gear (2) by mating with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201240794U CN201025079Y (en) | 2007-04-20 | 2007-04-20 | General-purpose gasoline camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201240794U CN201025079Y (en) | 2007-04-20 | 2007-04-20 | General-purpose gasoline camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201025079Y true CN201025079Y (en) | 2008-02-20 |
Family
ID=39098937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201240794U Expired - Fee Related CN201025079Y (en) | 2007-04-20 | 2007-04-20 | General-purpose gasoline camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201025079Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575273A (en) * | 2016-07-05 | 2018-01-12 | 铃木株式会社 | Variable valve actuator for air, engine and automatic two-wheeled cycle |
-
2007
- 2007-04-20 CN CNU2007201240794U patent/CN201025079Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575273A (en) * | 2016-07-05 | 2018-01-12 | 铃木株式会社 | Variable valve actuator for air, engine and automatic two-wheeled cycle |
| CN107575273B (en) * | 2016-07-05 | 2020-04-03 | 铃木株式会社 | Variable valve mechanism, engine, and motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING XIANGLING AUTO PARTS CO., LTD. Free format text: FORMER OWNER: DU JIANG Effective date: 20110908 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401147 YUBEI, CHONGQING TO: 401123 YUBEI, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110908 Address after: 401123, the north of Chongqing City, the new big bamboo forest Street Xiang Ling company Patentee after: CHONGQING XIANGLING AUTO PARTS CO., LTD. Address before: 401147, No. 9, No. 14-4, New South Road, Longxi street, Chongqing, Yubei District Patentee before: Du Jiang |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING XIANGLING MACHINERY CO., LTD. Free format text: FORMER NAME: CHONGQING XIANGLING AUTO PARTS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 401123 Chongqing Town, North New District, Dazhu Patentee after: Auspicious mound machinery limited company of Chongqing City Address before: 401123, the north of Chongqing City, the new big bamboo forest Street Xiang Ling company Patentee before: CHONGQING XIANGLING AUTO PARTS CO., LTD. |
|
| 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: 20080220 Termination date: 20160420 |