CN1124401C - Gas distribution mechanism with rotary conic valve - Google Patents
Gas distribution mechanism with rotary conic valve Download PDFInfo
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- CN1124401C CN1124401C CN 01114519 CN01114519A CN1124401C CN 1124401 C CN1124401 C CN 1124401C CN 01114519 CN01114519 CN 01114519 CN 01114519 A CN01114519 A CN 01114519A CN 1124401 C CN1124401 C CN 1124401C
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- valve
- rotary conic
- hole
- pedestal
- air
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Abstract
The present invention relates to a gas distribution mechanism with a rotary conical valve, which is characterized in that the present invention comprises a base and a rotary conical valve, wherein a gas inlet and a gas outlet communicated with an engine cylinder are respectively arranged on the base, a through hole is also arranged on the base, and the rotary conical valve is arranged in the through hole. The mutually contacted surface of the base and the rotary conical valve is a conical surface. A gear wheel arranged on the rotary conical valve is engaged with a gear wheel of a main shaft of an engine, the center is provided with a center hole, and the cylinder wall is symmetrically provided with airflow through holes communicated with the gas inlet and the gas outlet in a radial direction. With good sealing performance and no noise, the present invention can flexibly control the opening and closing occasion of a valve mechanism.
Description
Technical field:
The present invention relates to a kind of engine valve actuating mechanism, be specifically related to a kind of improvement of reciprocating engine distribution device.
Background technique:
The conventional piston motor generally all adopts reciprocating air valve structure, this structure is owing to exist reciprocating inertia, for making valve working properly when running up, need very big recovery spring force, thereby cause very big friction, the mechanical energy that consumption of engine is more, cause engine efficiency to reduce, and this to-and-fro motion will produce bigger vibration and noise, its valve mechanism uses the back because wearing and tearing can cause valve opening and change the opportunity of closing long-time simultaneously, makes motor off-design state.State Intellectual Property Office of the People's Republic of China has announced a kind of piston engine shaft type rotary valve distribution device (patent No.: 96217009.7), though this structure has bigger improvement than aforementioned structure, but still have following deficiency: 1., control underaction, need adjust valve opening and close under the situation on opportunity at some, this mechanism is not competent; 2., for a long time after using, columniform rotary valve wearing and tearing back sealing is bad, causes the system effectiveness reduction.3., when temperature variation is big, stuck easily or seal the bad gas leakage that causes.
Summary of the invention:
Technical problem to be solved by this invention is the defective that overcomes above-mentioned prior art, a kind of good airproof performance is provided, abates the noise, control flexibly the valve mechanism opening and closing gas distribution mechanism with rotary conic valve on opportunity.
Technical problem of the present invention is to solve by following technological scheme.It is characterized in that it comprises pedestal and rotary conic valve, offer the suction port and the air outlet that are communicated with cylinder on the described pedestal respectively, offer a through hole on the pedestal, rotary conic valve places in it, the surface that pedestal and rotary conic valve are in contact with one another is a conical surface, the gear of being offered on the rotary conic valve is meshed with the engine spindle gear, and the center offers center hole, and the barrel radial symmetric offers the air-flow through hole that can communicate with suction port and air outlet.Cone governor shape valve outside can sheathed one between rotary conic valve and pedestal, radial symmetric offers the air-flow through hole that can communicate with suction port or air outlet on this outer cone governor shape valve barrel.Also can regulate cone gate in sheathed one in the rotary conic valve, offer center hole in this valve, radial symmetric offers the air-flow through hole that can communicate with suction port and air outlet on its barrel.The present invention also can adopt the compound mode of above-mentioned two kinds of structures, cone governor shape valve outside rotary conic valve distal outer surface sheathed, and this valve is placed in the pedestal, and radial symmetric offers the air-flow through hole that communicates with suction port and air outlet on its barrel; In rotary conic valve, the sheathed one interior cone gate of regulating is offered a center hole in this valve, and radial symmetric offers the air-flow through hole that can communicate with suction port and air outlet on its barrel.For reducing the friction between each rotary component, on rotary conic valve, outer cone governor shape valve and pedestal, all offer lubricating oil inlet and lubricating oil outlet.
The present invention utilizes the characteristics of cone structure good airproof performance to design, and can remain the sealing of valve mechanism in whole using process, simultaneously, can reduce the frictional force of valve mechanism, improves efficiency of heat engine, eliminates vibration and noise that to-and-fro motion produced.The present invention cooperatively interacts by adopting multi-form cone gate, can control the opportunity of valve mechanism opening and closing flexibly, to reach the specific (special) requirements of hot machine.
Description of drawings:
Fig. 1 is the embodiment of the invention one structural representation;
Fig. 2 is the A1-A1 sectional drawing of Fig. 1;
Fig. 3 is the A2-A2 sectional drawing of Fig. 1;
Fig. 4 is the A3-A3 sectional drawing of Fig. 1;
Fig. 5 is the embodiment of the invention one an exhaust angle position view;
Fig. 6 is the embodiment of the invention two structural representations;
Fig. 7 is the A4-A4 sectional drawing of Fig. 6;
Fig. 8 is the A5-A5 sectional drawing of Fig. 6;
Fig. 9 is the A6-A6 sectional drawing of Fig. 6;
Figure 10 is the embodiment of the invention two flow inlet angle position views;
Figure 11 is the embodiment of the invention three structural representations;
Figure 12 is the A7-A7 sectional drawing of Figure 11;
Figure 13 is the A8-A8 sectional drawing of Figure 11;
Figure 14 is the embodiment of the invention three flow inlet angle position views.
Embodiment:
The present invention's structure mainly is that the seal action that utilizes cone gate itself to be had designs.The present invention mainly comprises pedestal 2, rotary conic valve 3, outer cone governor shape valve 6 and interior adjusting cone gate 4, all adopt conical surface on the surface that pedestal 2, rotary conic valve 3, outer cone governor shape valve 6 and interior adjusting cone gate 4 are in contact with one another, when wearing and tearing take place conical surface, can eliminate the gap, guarantee the sealing of gas distribution mechanism by moving axially of part; When temperature change caused accessory size that bigger variation takes place, valve also can prevent stuck each other by moving axially the gap that can compensate between the part.The rotating speed of rotary conic valve 3 and the rotating speed of engine spindle keep certain proportion, and rotary conic valve 3 carries out distribution by rotatablely moving to cylinder.Outer cone governor shape valve 6 and interior adjusting cone gate 4 rotate the opening and closing opportunity that changes from suction port to the air outlet air-flow path by small angle, thereby regulate the inlet and outlet opportunity and the angle of cylinder.The air-flow through hole of pedestal 2, rotary conic valve 3, outer cone governor shape valve 6 and interior adjusting cone gate 4 and adjustment hole adopt the form of radial symmetric opening, pressurized gas act on the inside and outside pressure of valve and radially all obtain balance, the friction and wear that the side direction atmospheric pressure causes during with the elimination asymmetric openings.
The present invention is the phase mutual friction that reduces between each rotary component, at pedestal 2, offers lubricating oil inlet 9 and lubricating oil outlet 10 respectively on rotary conic valve 3 and the outer cone governor shape valve 6.
The present invention according to above-mentioned principle design three kinds of different structures, existing division is as follows.
Embodiment one: as Fig. 1～shown in Figure 4, present embodiment comprises pedestal 2, rotary conic valve 3 and outer cone governor shape valve 6, offer a through hole on the pedestal 2, outer cone governor shape valve 6 places in the through hole of pedestal 2, a center hole is offered at its center, rotary conic valve 3 places in the through hole of pedestal 2, also regulates outside in the center hole of cone gate 6 simultaneously.Rotary conic valve 3 outer surfaces, pedestal 2 internal surfaces and outer cone governor shape valve 6 inside and outside surfaces are the conical surface.Rotary conic valve 3 is by the engagement of gear and engine spindle, and both rotating speeds are proportional, rotary conic valve 3 in rotary course with the internal surface of pedestal 2 with outside the internal surface of cone governor shape valve 6 remain tight the contact.Radial symmetric offers the air-flow through hole on the barrel that rotary conic valve 3, pedestal 2 and adjusting cone gate 6 are in contact with one another, air-flow through hole on the pedestal 2 is communicated with suction port 5 and air outlet 7, and the air-flow through hole of rotary conic valve 3 is communicated with the center hole of rotary conic valve 3.As shown in Figure 3, air outlet 7 is communicated with the center hole of rotary conic valve 3 all the time.As shown in Figure 2, when rotary conic valve 3 turned clockwise, when the air-flow through hole of the air-flow through hole of rotary conic valve 3 and pedestal 2 begins (position shown in Fig. 2) when overlapping, suction port 5 was communicated with the center hole of rotary conic valve 3, leads to air outlet 7; When the air-flow through hole on the air-flow through hole disengaging pedestal 2 of rotary conic valve 3, air-flow path is closed, and this working procedure correspondence the fixedly exhaust angle 12 among Fig. 5.Situation among situation shown in Fig. 4 and Fig. 2 is similar, but outer cone governor shape valve 6 can change in the several angle scope, thereby change the opening and closing opportunity of air-flow path, for example under the situation that rotary conic valve 3 turns clockwise, small angle rotates outer cone governor shape valve 6 counterclockwise, then suction port 5 is corresponding in advance opportunity to the opening and closing of the air-flow path of air outlet 7, and this process correspondence the activity exhaust angle 13 among Fig. 5.Because suction port 5 among Fig. 2 and the suction port 5 among Fig. 4 are communicated to same gas channel, so the connection angle of suction port 5 and air outlet 7 is the fixing union at exhaust angle 12 and activity exhaust angle 13, and promptly fixedly exhaust angle 12 adds and shifts to an earlier date exhaust angle 14.By the outer cone governor shape valve 6 of small angle rotation, can change exhaust angle 14 in advance, exhaust angle 14 minimums are zero in advance.So embodiment one opening time can change by rotating outer cone governor shape valve 6, then fix the opportunity of closing.
Embodiment two: as Fig. 6～shown in Figure 9, present embodiment comprises pedestal 2, rotary conic valve 3 and interior adjusting cone gate 4.Rotary conic valve 3 places in the hole that pedestal 2 opened, and a through hole is offered at its center, and interior adjusting cone gate 4 places in its hole.The outer surface of rotary conic valve 3 inside and outside surfaces, pedestal 2 internal surfaces and interior adjusting cone gate 4 all is a conical surface, and rotary conic valve 3, pedestal 2 and interior adjusting cone gate 4 closely contact by conical surface, keep good air-tightness.A center hole is offered at the interior center of regulating cone gate 4, radial symmetric offers the air-flow through hole on the tube wall of pedestal 2, rotary conic valve 3 and interior adjusting cone gate 4, as shown in Figure 8, between rotary conic valve 3 and interior adjusting cone gate 4, offer circular groove, regulate cone gate 4 center holes in making and communicate with suction port 5 on the pedestal 2 all the time.
Embodiment three: present embodiment is embodiment one and embodiment's two a combining form.It is made up of pedestal 2, rotary conic valve 3, interior adjusting cone gate 4 and outer cone governor shape valve 6.The sheathed outer cone governor shape valve 6 of rotary conic valve 3 distal outer surface, this valve is placed in the hole of offering on the pedestal 2, in cone gate 3, the sheathed one interior cone gate 4 of regulating.Pedestal 2 internal surfaces, rotary conic valve 3 inside and outside surfaces, outer cone governor shape valve 6 inside and outside surfaces, interior adjusting cone gate 4 outer surfaces are conical surface, keep closely contact each other.As shown in figure 12, regulate outside on cone gate 6, rotary conic valve 3 and the interior adjusting cone gate 4 except radial symmetric is offered the air-flow through hole, also offer circular groove, regulate the center hole of offering on the cone gate 4 in making, communicate with air outlet 7 on the surface that is in contact with one another.Shown in Figure 13, radial symmetric is offered the air-flow through hole on pedestal 2, outer cone governor shape valve 6, rotary conic valve 3 and interior adjusting cone gate 4.Rotary conic valve 3 is by gear and engine spindle engagement, and rotary conic valve 3 rotates in certain rotating speed ratio with engine spindle under the drive of engine spindle; Outer cone governor shape valve 6 and interior adjusting cone gate 4 can rotate in the several angle scope.
As shown in figure 13, air-flow flows to air outlet 7 from suction port 5 needs the adjustment hole through interior adjusting cone gate 4, the through hole of rotary conic valve 3 and the adjustment hole of outer cone governor shape valve 6, so can control opportunity from the opening and closing that suction port 5 flows to air outlet 7 air-flow paths.When rotary conic valve 3 turns clockwise, air-flow through hole elder generation on the rotary conic valve 3 is overlapping with the adjustment hole on the interior adjusting cone gate 4, then with outer cone governor shape valve 6 on adjustment hole overlapping, therefore from suction port 5 to the air outlet unlatching opportunity of the air-flow path 7 by outer cone governor shape valve 6 controls; Along with rotary conic valve 3 continues rotation, adjustment hole on rotary conic valve 3 overdraught through holes elder generation and the interior adjusting cone gate 4 breaks away from, then with outer cone governor shape valve 6 on adjustment hole break away from, therefore from suction port 5 to the air outlet opportunity of closing of the air-flow path 7 by interior adjusting cone gate 4 controls.The outer cone governor shape valve 6 of small angle rotation counterclockwise, the opportunity that air-flow path is opened is in advance; Regulate cone gate 4 in the small angle rotation counterclockwise, the opportunity that air-flow path is closed in advance.Because outer cone governor shape valve 6 and interior adjusting cone gate 4 can independent regulation, the angle of regulating cone gate 4 and outer cone governor shape valve 6 in changing arbitrarily, both can change rotary conic valve 3 unlatching, close opportunity, can change rotary conic valve 3 air inlet angle as shown in figure 14 again, the beginning of its flow inlet angle 8 and end can be adjusted opportunity.
Claims (4)
1, a kind of gas distribution mechanism with rotary conic valve, comprise pedestal (2) and rotary conic valve (3), offer the suction port (5) and air outlet (7) that are communicated with cylinder on the described pedestal (2) respectively, pedestal offers a through hole on (2), rotary conic valve (3) places in it, the surface that pedestal (2) and rotary conic valve (3) are in contact with one another is a conical surface, the gear of being offered on the rotary conic valve (3) is meshed with the engine spindle gear, the center offers center hole, radial symmetric offers the air-flow through hole that can communicate with suction port (5) and air outlet (7) on the barrel, it is characterized in that sheathed one outer cone governor shape valve (6) between rotary conic valve (3) and the pedestal (2), radial symmetric offers the air-flow through hole that can communicate with suction port (5) or air outlet (7) on this outer cone governor shape valve (6) barrel.
2, gas distribution mechanism with rotary conic valve according to claim 1, it is characterized in that in rotary conic valve (3), regulate cone gate (4) in sheathed one, offer a center hole in this valve, radial symmetric offers the air-flow through hole that can communicate with suction port (5) and air outlet (7) on its barrel.
3, a kind of gas distribution mechanism with rotary conic valve, comprise pedestal (2) and rotary conic valve (3), offer the suction port (5) and air outlet (7) that are communicated with cylinder on the described pedestal (2) respectively, pedestal offers a through hole on (2), rotary conic valve (3) places in it, the surface that pedestal (2) and rotary conic valve (3) are in contact with one another is a conical surface, the gear of being offered on the rotary conic valve (3) is meshed with the engine spindle gear, the center offers center hole, radial symmetric offers the air-flow through hole that can communicate with suction port (5) and air outlet (7) on the barrel, it is characterized in that the sheathed one interior cone gate (4) of regulating in the rotary conic valve (3), offer center hole in this valve, radial symmetric offers the air-flow through hole that can communicate with suction port (5) and air outlet (7) on its barrel.
4,, it is characterized in that offering on rotary conic valve (3), outer cone governor shape valve (6) and the pedestal (2) lubricating oil inlet (9) and lubricating oil outlet (10) according to claim 1 or 2 or 3 described gas distribution mechanism with rotary conic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114519 CN1124401C (en) | 2001-06-06 | 2001-06-06 | Gas distribution mechanism with rotary conic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114519 CN1124401C (en) | 2001-06-06 | 2001-06-06 | Gas distribution mechanism with rotary conic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1317628A CN1317628A (en) | 2001-10-17 |
| CN1124401C true CN1124401C (en) | 2003-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01114519 Expired - Fee Related CN1124401C (en) | 2001-06-06 | 2001-06-06 | Gas distribution mechanism with rotary conic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1124401C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8108995B2 (en) * | 2005-09-23 | 2012-02-07 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| CN203114371U (en) * | 2013-03-01 | 2013-08-07 | 谭庆河 | Novel air intake and exhaust system applied to piston engine |
| CN110886655A (en) * | 2019-11-22 | 2020-03-17 | 中国航发西安动力控制科技有限公司 | Valve for aeroengine boosting fuel system |
-
2001
- 2001-06-06 CN CN 01114519 patent/CN1124401C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1317628A (en) | 2001-10-17 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |