CN204253118U - One can two, four-journey common cam shaft and distribution device and motor - Google Patents
One can two, four-journey common cam shaft and distribution device and motor Download PDFInfo
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- CN204253118U CN204253118U CN201420472163.5U CN201420472163U CN204253118U CN 204253118 U CN204253118 U CN 204253118U CN 201420472163 U CN201420472163 U CN 201420472163U CN 204253118 U CN204253118 U CN 204253118U
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- cam
- exhaust
- camshaft
- distribution device
- double tops
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Abstract
The utility model discloses a kind of camshaft, comprise camshaft body (1), one end of described camshaft body (1) is provided with timing gear (2), described camshaft body (1) is provided with intake cam (3) and exhaust cam (4), goes up described camshaft body (1) and respectively the homonymy of intake cam (3) and exhaust cam (4) be provided with the air inlet Double Tops cam (5) and exhaust Double Tops cam (6) with two strokes.The utility model has simple, the easy to operate advantage of structure, adopt it does not change former four stroke engine structure, four-stroke fuel engine can either be suitable for, be applicable to compressed air engine again.
Description
Technical field
The utility model relate to one can two, four-journey common cam shaft and distribution device and motor.
Background technique
At present, four-stroke fuel engine, its product is very ripe and be widely used, but fuel oil in short supply and the pollution to environment, make the attention of people to new energy and clean energy more and more higher.For this reason, people have invented the less gas engine of environmental pollution, to environment and the less genemotor of energy requirements.
The application for a patent for invention that a kind of name is called " Double overhead camshaft " is disclosed in CN102400726A, it comprises main shaft, camshaft and bearing, described cam is Double Tops cam, multiple Double Tops cam paired mounting on main shaft, between often pair of Double Tops cam and the two ends of main shaft all by bearing (setting) plate, one bearing is installed; This Double Tops cam is provided with two convex tops of axisymmetric circular arc, and the convex top of circular arc of each cam requires to stagger an angle according to stroke.Although the camshaft of this application can carry out the open and close of inlet and outlet door, this camshaft obviously can only be applicable to the motor using high-pressure liquid as power, and inapplicable for the motor of fuel oil.
Model utility content
First object of the present utility model be just to provide one there is single top cam and Double Tops cam simultaneously can camshaft in axial sliding.
Second object of the present utility model is just to provide a kind of distribution device that can open and close two strokes and four-stroke engine inlet and outlet door
3rd object of the present utility model is just to provide a kind of distribution device utilizing electromagnet to carry out the opening and closing of two strokes and four-stroke engine inlet and outlet door.
4th object of model utility is just to provide one and can either be applicable to fuel engine, is applicable to again the distribution device of clean compressed gas engine.
First object of the present utility model is realized by such technological scheme, a kind of camshaft, comprise camshaft body, one end of described camshaft body is provided with timing gear, described camshaft body is provided with intake cam and exhaust cam, homonymy on described camshaft body and respectively near intake cam and exhaust cam is provided with the air inlet Double Tops cam and exhaust Double Tops cam with two strokes, and this camshaft can slide axially.
Wherein, described air inlet Double Tops cam and exhaust Double Tops cam are class ellipse, and are symmetrically arranged with the convex closure with circular arc along horizontal axis.
Second object of the present utility model is realized by such technological scheme, a kind of distribution device, comprise intake valve and the exhaust valve of band valve spring, described intake valve and exhaust valve are fixed in cylinder head, described distribution device also comprises and is arranged on the intake valve electromagnet and exhaust valve electromagnet and control circui contact that cylinder covers, described intake valve electromagnet and exhaust valve electromagnet and control circui contact corresponding with intake valve and exhaust valve respectively.
3rd object of the present utility model is realized by such technological scheme, a kind of distribution device, comprise intake valve and the exhaust valve of band valve spring, described intake valve and exhaust valve reversal of the natural order of things are in cylinder head, described distribution device also comprises and is arranged on the intake valve electromagnet and exhaust valve electromagnet that cylinder covers, described intake valve electromagnet and exhaust valve electromagnet are corresponding with intake valve and exhaust valve respectively, and intake valve electromagnet is connected by control circui contact with exhaust valve electromagnet.
Owing to have employed technique scheme, the utility model has simple, the easy to operate advantage of structure, adopt it does not change former four stroke engine structure, four-stroke fuel engine can either be suitable for, be applicable to compressed gas engine again.
Accompanying drawing explanation
Accompanying drawing of the present utility model is described as follows:
Fig. 1 is camshaft structure schematic diagram of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the first air distribution structure schematic diagram of the present utility model;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the second air distribution structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail; but the utility model is not limited to these mode of executions; any improvement or alternative on the present embodiment essence spirit, still belongs to the utility model claim scope required for protection.
Embodiment 1: as shown in Figure 1, a kind of camshaft, comprise camshaft body 1, one end of described camshaft body 1 is provided with timing gear 2, described camshaft body 1 is provided with intake cam 3 and exhaust cam 4, and the homonymy on described camshaft body 1 and respectively near intake cam 3 and exhaust cam 4 is provided with the air inlet Double Tops cam 5 and exhaust Double Tops cam 6 with two strokes.
Wherein, as shown in Figure 2, described air inlet Double Tops cam 5 and exhaust Double Tops cam 6 are class ellipse, and are symmetrically arranged with the convex closure with circular arc along horizontal axis.
Embodiment 2: as shown in Figure 3,4, a kind of distribution device with camshaft, described distribution device comprises the valve 12 of camshaft body 1, shift fork 7, tappet 8, push rod 9, rocking arm 10 and band valve spring 11, described shift fork 7 is stuck on described camshaft body 1, one end of described push rod 9 is connected with one end of tappet 8, the other end withstands on one end of rocking arm 10, one end of described valve 12 withstands on the other end of rocking arm 10, on the intake cam 3 that the other end of described tappet 8 withstands on camshaft or exhaust cam 4.
The utility model is work like this: when motor fuel oil burns, intake valve and exhaust valve are opened and closed by camshaft upper air cam 3 and exhaust cam 4, and now, motor is the motor of four-journey; When motor utilizes pressurized gas to promote piston, stir shift fork 7, air inlet Double Tops cam 5 is contacted with the push rod of exhaust valve with intake valve with exhaust Double Tops cam 6, intake valve and exhaust valve is driven to open and close by air inlet Double Tops cam 5 and exhaust Double Tops cam 6, now, motor is the motor of two strokes.
In the utility model, producing compressed-air actuated equipment is commercially available prod.
Embodiment 3: as shown in Figure 5, a kind of distribution device, comprise intake valve 14 and the exhaust valve 15 of band valve spring 13, described intake valve 14 and exhaust valve 15 hang upside down in cylinder head 16, it is characterized in that: described distribution device also comprises and is arranged on intake valve electromagnet 17 on engine cylinder cap 16 and exhaust valve electromagnet 18, described intake valve electromagnet 17 and exhaust valve electromagnet 18 are corresponding with intake valve 14 and exhaust valve 15 respectively, and intake valve electromagnet 17 is connected by control circui contact 19 with exhaust valve electromagnet 18.
By controlling the power on/off of electromagnet, reaching the opening and closing controlling intake valve 14 and exhaust valve 15, making motor form four-stroke or two stroke engine, when forming four-stroke engine, fuel oil can be utilized to burn, driven plunger; When formation two stroke, pressurized gas can be utilized to carry out the driving of piston.
Claims (4)
1. one kind can two, four-journey common cam shaft, comprise camshaft body (1), one end of described camshaft body (1) is provided with timing gear (2), described camshaft body (1) is provided with intake cam (3) and exhaust cam (4), it is characterized in that: go up described camshaft body (1) and respectively the homonymy of intake cam (3) and exhaust cam (4) be provided with the air inlet Double Tops cam (5) and exhaust Double Tops cam (6) with two strokes.
2. as claimed in claim 1 can two, four-journey common cam shaft, it is characterized in that: described air inlet Double Tops cam (5) and exhaust Double Tops cam (6) are class ellipse, and are symmetrically arranged with the convex closure with circular arc along horizontal axis.
3. the distribution device with camshaft as claimed in claim 1 or 2, it is characterized in that: described distribution device comprises camshaft body (1), shift fork (7), tappet (8), push rod (9), the valve (12) of rocking arm (10) and band valve spring (11), described shift fork (7) is stuck on described camshaft body (1), described body (1) can slide axially, one end of described push rod (9) is connected with one end of tappet (8), the other end withstands on one end of rocking arm (10), one end of described valve (12) withstands on the other end of rocking arm (10), on the intake cam (3) that the other end of described tappet (8) withstands on camshaft or exhaust cam (4).
4. one kind comprises the motor of the distribution device described in claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472163.5U CN204253118U (en) | 2014-08-21 | 2014-08-21 | One can two, four-journey common cam shaft and distribution device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472163.5U CN204253118U (en) | 2014-08-21 | 2014-08-21 | One can two, four-journey common cam shaft and distribution device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253118U true CN204253118U (en) | 2015-04-08 |
Family
ID=52957437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472163.5U Active CN204253118U (en) | 2014-08-21 | 2014-08-21 | One can two, four-journey common cam shaft and distribution device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253118U (en) |
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2014
- 2014-08-21 CN CN201420472163.5U patent/CN204253118U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |