CN202991165U - Tappet height mechanical regulation device - Google Patents
Tappet height mechanical regulation device Download PDFInfo
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- CN202991165U CN202991165U CN201220659158.6U CN201220659158U CN202991165U CN 202991165 U CN202991165 U CN 202991165U CN 201220659158 U CN201220659158 U CN 201220659158U CN 202991165 U CN202991165 U CN 202991165U
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- tappet
- pipe
- moving block
- moving body
- cavity volume
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Abstract
The utility model relates to the technical field of mechanical design, in particular to a tappet height mechanical regulation device which comprises a cylinder, an intake tube, an intake valve, an exhaust valve, an exhaust tube, a support column, a lever, a tappet, a containing cavity, a moving body, a penetrating tube, a moving block, a connecting tube and a spring, wherein the moving body is installed in the containing cavity and is contacted with the inner wall face of the containing cavity in a sealed mode, the penetrating tube penetrates through the upper wall face and the lower wall face of the moving body, the moving block is installed inside the penetrating tube and is contacted with the inner wall face of the penetrating tube in a sealed mode, the lower end face of the moving block is a flat surface, the upper end face of the moving block is an inclined surface, the right wall face of the moving body is connected with the right wall face of the containing cavity through the spring, and two ends of the connecting tube are respectively communicated with the intake tube and the left wall face of the containing cavity. When pressure inside the intake tube is large, the moving body moves rightwards, and an intake valve lift stroke is enlarged; and when the pressure in the intake tube is small, the moving body moves leftwards, and the intake valve lift stroke is lessened. The tappet height mechanical regulation device is reasonable in design, simple in structure, and suitable for an engine valve lift stroke variable system.
Description
Technical field
What the present invention relates to is the engine aspirating system in a kind of mechanical designing technique field, particularly a kind of tappet high degree of mechanical controlling device.
Background technique
Traditional petrolic valve lift is fixing immutable, and namely the cam profile of camshaft only has a kind ofly, and this has just caused this lift can not make motor all obtain good response in high velocity and low velocity zone.The valve lift of conventional gasoline machine motor is that design of cam contour line is that the balance of motor under full operating mode selected, consequently motor both can not get best high speed efficient, also can not get best low speed torque, but obtained best balanced performance under full operating mode.The employing of lift range variable makes motor can be met the valve lift of demand in high velocity and low velocity zone, thereby improves high engine speeds power and low speed torque.
Find through the retrieval to the prior art document, China Patent No. application number 200910190522.1, patent name: a kind of hydraulic valve mechanism of lift range variable, this patented technology provides a kind of device of variable valve lift, can take into account preferably the high and low rotating speed operating mode of motor.But its design is the hydraulic mechanism that utilizes, and very high to sealing requirements, poorly sealed words easily cause fluid seepage; And because there is certain compressibility in liquid, the speed of response that valve lift changes has certain retardance.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of tappet high degree of mechanical controlling device is provided, the speed of response that valve lift is changed is very fast.
the present invention is achieved through the following technical solutions, the present invention includes: cylinder, cylinder head, suction tude, intake duct, intake valve, exhaust valve, air outlet flue, outlet pipe, pillar, lever, the tappet epimere, the tappet hypomere, cavity volume, moving body, run through pipe, moving block, spring and connecting tube, the air outlet of intake duct, the suction port of air outlet flue is arranged on cylinder head, the air outlet of suction tude is connected with the suction port of intake duct, the suction port of outlet pipe is connected with the air outlet of air outlet flue, the upper end of intake valve is connected with an end of lever, pillar is arranged in the neutral position of lever, moving body is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, run through two walls up and down that pipe runs through moving body, moving block is arranged on to run through in pipe and with the internal face sealing that runs through pipe and contacts, the lower end surface of moving block is the plane, the upper-end surface of moving block is the inclined-plane, the upper end of tappet epimere is connected with the other end of lever, the lower end of tappet epimere is passed the upper wall surface of cavity volume and is stretched into and runs through in pipe, the lower end surface of tappet epimere contacts with the sealing of the upper-end surface of moving block, the upper end of tappet hypomere is passed the lower wall surface of cavity volume and is stretched into and runs through in pipe, the upper-end surface of tappet hypomere contacts with the sealing of the lower end surface of moving block, the cross section of cavity volume is rectangular, run through pipe and be the uniform section pipe, the right wall of moving body is connected with the right wall of cavity volume by spring, the two ends of connecting tube respectively with suction tude, the left wall of cavity volume is connected.
In the present invention, moving body and moving block can move left and right in cavity volume, and moving block also can follow the tappet epimere within running through pipe and the tappet hypomere moves up and down together.When the suction tude internal pressure was low, moving body was moved to the left under the elastic reaction of spring, and moving block also is moved to the left simultaneously, the upper-end surface relative sliding of the lower end surface of tappet epimere and moving block, and the tappet epimere moves down, thereby the lift of intake valve is diminished.When the suction tude internal pressure was higher, moving body moved right and Compress Spring, and moving block also moves right simultaneously, the upper-end surface relative sliding of the lower end surface of tappet epimere and moving block, and the tappet epimere moves up, thereby makes the lift of intake valve become large.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and is simple in structure, can realize the continuous variable of valve lift, and the speed of response that valve lift is changed is very fast, and does not need special control mechanism.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Wherein: 1, cylinder, 2, cylinder head, 3, suction tude, 4, intake duct, 5, intake valve, 6, exhaust valve, 7, air outlet flue, 8, outlet pipe, 9, pillar, 10, lever, 11, the tappet epimere, 12, the tappet hypomere, 13, cavity volume, 14, moving body, 15, run through pipe, 16, moving block, 17, spring, 18, connecting tube.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Embodiment
as depicted in figs. 1 and 2, the present invention includes: comprise cylinder 1, cylinder head 2, suction tude 3, intake duct 4, intake valve 5, exhaust valve 6, air outlet flue 7, outlet pipe 8, pillar 9, lever 10, tappet epimere 11, tappet hypomere 12, cavity volume 13, moving body 14, run through pipe 15, moving block 16, spring 17 and connecting tube 18, the air outlet of intake duct 4, the suction port of air outlet flue 7 is arranged on cylinder head 2, the air outlet of suction tude 3 is connected with the suction port of intake duct 4, the suction port of outlet pipe 8 is connected with the air outlet of air outlet flue 7, the upper end of intake valve 5 is connected with an end of lever 10, pillar 9 is arranged in the neutral position of lever 10, moving body 14 is arranged in cavity volume 13 and with the internal face sealing of cavity volume 13 and contacts, run through two walls up and down that pipe 15 runs through moving body 14, moving block 16 is arranged on to run through in pipe 15 and with the internal face sealing that runs through pipe 15 and contacts, the lower end surface of moving block 16 is the plane, the upper-end surface of moving block 16 is the inclined-plane, the upper end of tappet epimere 11 is connected with the other end of lever 10, the lower end of tappet epimere 11 is passed the upper wall surface of cavity volume 13 and is stretched into and runs through in pipe 15, the lower end surface of tappet epimere 11 contacts with the upper-end surface sealing of moving block 16, the upper end of tappet hypomere 12 is passed the lower wall surface of cavity volume 13 and is stretched into and runs through in pipe 15, the upper-end surface of tappet hypomere 12 contacts with the lower end surface sealing of moving block 16, the cross section of cavity volume 13 is rectangular, run through pipe 15 and be the uniform section pipe, the right wall of moving body 14 is connected with the right wall of cavity volume 13 by spring 17, the two ends of connecting tube 18 respectively with suction tude 3, the left wall of cavity volume 13 is connected.
In the present invention, moving body 14 and moving block 16 can move left and right in cavity volume 13, and moving block 16 also can follow tappet epimere 11 within running through pipe 15 and tappet hypomere 12 moves up and down together.When suction tude 3 internal pressures are low, moving body 14 is moved to the left under the elastic reaction of spring 17, and moving block 16 also is moved to the left simultaneously, the upper-end surface relative sliding of the lower end surface of tappet epimere 11 and moving block 16, tappet epimere 11 moves down, thereby the lift of intake valve 5 is diminished.When suction tude 3 internal pressures when higher, moving body 14 moves right and Compress Spring 17, and moving block 16 also moves right simultaneously, the upper-end surface relative sliding of the lower end surface of tappet epimere 11 and moving block 16, tappet epimere 11 moves up, thereby makes the lift of intake valve 5 become large.
Claims (1)
1. tappet high degree of mechanical controlling device, comprise cylinder (1), cylinder head (2), suction tude (3), intake duct (4), intake valve (5), exhaust valve (6), air outlet flue (7), outlet pipe (8), pillar (9) and lever (10), the air outlet of intake duct (4), the suction port of air outlet flue (7) is arranged on cylinder head (2), the air outlet of suction tude (3) is connected with the suction port of intake duct (4), the suction port of outlet pipe (8) is connected with the air outlet of air outlet flue (7), the upper end of intake valve (5) is connected with an end of lever (10), pillar (9) is arranged in the neutral position of lever (10), characterized by further comprising tappet epimere (11), tappet hypomere (12), cavity volume (13), moving body (14), run through pipe (15), moving block (16), spring (17) and connecting tube (18), moving body (14) is arranged in cavity volume (13) and with the internal face sealing of cavity volume (13) and contacts, run through two walls up and down that pipe (15) runs through moving body (14), moving block (16) is arranged on to run through in pipe (15) and with the internal face sealing that runs through pipe (15) and contacts, the lower end surface of moving block (16) is the plane, the upper-end surface of moving block (16) is the inclined-plane, the upper end of tappet epimere (11) is connected with the other end of lever (10), the lower end of tappet epimere (11) is passed the upper wall surface of cavity volume (13) and is stretched into and runs through in pipe (15), the lower end surface of tappet epimere (11) contacts with the upper-end surface sealing of moving block (16), the upper end of tappet hypomere (12) is passed the lower wall surface of cavity volume (13) and is stretched into and runs through in pipe (15), the upper-end surface of tappet hypomere (12) contacts with the lower end surface sealing of moving block (16), the cross section of cavity volume (13) is rectangular, running through pipe (15) is the uniform section pipe, the right wall of moving body (14) is connected by the right wall of spring (17) with cavity volume (13), the two ends of connecting tube (18) respectively with suction tude (3), the left wall of cavity volume (13) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220659158.6U CN202991165U (en) | 2012-12-04 | 2012-12-04 | Tappet height mechanical regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220659158.6U CN202991165U (en) | 2012-12-04 | 2012-12-04 | Tappet height mechanical regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991165U true CN202991165U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220659158.6U Expired - Fee Related CN202991165U (en) | 2012-12-04 | 2012-12-04 | Tappet height mechanical regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971685A (en) * | 2016-07-13 | 2016-09-28 | 孙志国 | Automatic following system of valve stroke |
| CN106050348A (en) * | 2016-07-13 | 2016-10-26 | 孙志国 | Movable type slope dislocation adjusting mechanism |
-
2012
- 2012-12-04 CN CN201220659158.6U patent/CN202991165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971685A (en) * | 2016-07-13 | 2016-09-28 | 孙志国 | Automatic following system of valve stroke |
| CN106050348A (en) * | 2016-07-13 | 2016-10-26 | 孙志国 | Movable type slope dislocation adjusting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Feng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131204 |