CN113586196A - Variable valve structure of internal combustion engine - Google Patents

Variable valve structure of internal combustion engine Download PDF

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Publication number
CN113586196A
CN113586196A CN202111006339.9A CN202111006339A CN113586196A CN 113586196 A CN113586196 A CN 113586196A CN 202111006339 A CN202111006339 A CN 202111006339A CN 113586196 A CN113586196 A CN 113586196A
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block
internal combustion
combustion engine
valve
rotating shaft
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CN202111006339.9A
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CN113586196B (en
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孔羽
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Shandong University
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Shandong University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • F01L1/183—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft of the boat type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/10—Connecting springs to valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/40—Methods of operation thereof; Control of valve actuation, e.g. duration or lift
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

本发明公开了一种内燃机的可变气门结构，属于内燃机领域，包括气门组件、弹簧、连接头和第一转轴，所述气门组件设有若干组，每组所述气门组件的数量均设置为两个，所述第一转轴上套设有若干凸轮组，每组所述凸轮组内均设有六个第一凸轮，所述凸轮组位于气门组件的上方，所述气门组件包括气门杆、弹簧、连接头、控制盒以及液压挺柱。本发明通过连接头内的调节装置可使活动块的高度高于固定块的高度，然后在第一凸轮和活动块的配合下可控制内燃机气门打开的大小，从而使内燃机配气更加稳定，减少能源浪费。

Figure 202111006339

The invention discloses a variable valve structure of an internal combustion engine, belonging to the field of internal combustion engines, comprising a valve assembly, a spring, a connecting head and a first rotating shaft. Two, a number of cam groups are sleeved on the first rotating shaft, each group of the cam groups is provided with six first cams, the cam groups are located above the valve assembly, and the valve assembly includes a valve stem, Springs, connectors, control boxes and hydraulic tappets. In the present invention, the height of the movable block can be higher than that of the fixed block through the adjustment device in the connecting head, and then the opening size of the valve of the internal combustion engine can be controlled under the cooperation of the first cam and the movable block, thereby making the gas distribution of the internal combustion engine more stable and reducing the Energy waste.

Figure 202111006339

Description

Variable valve structure of internal combustion engine
Technical Field
The invention relates to the field of internal combustion engines, in particular to a variable valve structure of an internal combustion engine.
Background
The valve is used for specially inputting air into the engine and discharging combusted waste gas. From the engine structure, the engine is divided into an intake valve and an exhaust valve. The intake valve is used for sucking air into the engine to be mixed with fuel for combustion; the exhaust valve is used for discharging combusted waste gas and dissipating heat. The traditional engine valve does not have an adjustable function, the opening size of the valve is fixed, and the non-adjustable size of the valve can cause unstable distribution of the engine and can cause energy waste.
Chinese patent discloses a variable valve lift structure (No. CN208669372U), which is characterized in that a crank is driven by a driving device, a swing rod is driven by the crank to rotate, and a swing rod drives a rocker arm to open different valve heights, but the patent needs to add a new driving device in an engine, and this way will bring great burden to the engine.
Disclosure of Invention
An object of the present invention is to provide a variable valve structure of an internal combustion engine to solve the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
a variable valve structure of an internal combustion engine comprises a valve assembly, a spring, a connector and a first rotating shaft, wherein the valve assembly is provided with a plurality of groups, the number of the valve assemblies in each group is two, a plurality of cam groups are sleeved on the first rotating shaft, six first cams are arranged in each cam group, the cam groups are positioned above the valve assembly, and the valve assembly comprises a valve rod, the spring, the connector, a control box and a hydraulic tappet;
be equipped with adjusting device in the connector, adjusting device includes the fixed block, all be equipped with the fifth electro-magnet on the lateral wall about the fixed block, the equal swing joint in both ends has the movable block about the fixed block, movable block and connector swing joint, the one end that the movable block is close to the fixed block all is equipped with the second and adsorbs the piece, the one end that the fixed block was kept away from to the movable block all is equipped with protruding piece, the lower extreme of movable block all is equipped with the sixth electro-magnet, the symmetry is equipped with spacing slide on the inner wall of connector, lie in the inside a plurality of fourth electro-magnets that are equipped with of spacing slide on the inner wall of connector, the inside bottom mounting of connector is equipped with the third electromagnetism iron plate.
As a further scheme of the present invention, the cam groups correspond to the valve assemblies, each cam group corresponds to two sets of valve assemblies, and every three first cams in the cam group correspond to one set of valve assemblies.
As a further scheme of the invention, sliding grooves are symmetrically formed in the left side wall and the right side wall of the fixed block, sliding blocks are symmetrically arranged at one ends of the movable blocks close to the fixed block, and the movable blocks are in sliding connection with the fixed block through the mutual matching of the sliding blocks and the sliding grooves.
As a further scheme of the invention, a plurality of rocker arms are sleeved on the first rotating shaft, the rocker arms are rotatably connected with the first rotating shaft, one end of each rocker arm is in contact with the connecting head, the other end of each rocker arm is rotatably connected with a push rod, and adjusting rods are arranged at the ends of the push rods far away from the rocker arms.
As a further scheme of the present invention, a second rotating shaft is disposed on the left side of the first rotating shaft, and a plurality of second cams are sleeved on the second rotating shaft.
As a further scheme of the invention, a first adsorption block is arranged inside the adjusting rod, a sliding rod is inserted in the middle of the first adsorption block, a first electromagnet block is arranged at the upper end of the sliding rod, and a second electromagnet is arranged below the first adsorption block and on the sliding rod.
As a further scheme of the invention, the lower end of the sliding rod penetrates through the adjusting rod, the lower end of the sliding rod is provided with a connecting block, and the connecting block and the second cam correspond to each other.
Compared with the prior art, the invention has the beneficial effects that:
1. when the valve opening size of the internal combustion engine needs to be adjusted, the fifth electromagnet is closed, the magnetic pole of the third electromagnet is changed after the fifth electromagnet is closed, the third electromagnet and the sixth electromagnet are changed into a mutually repulsive state from a mutually attractive state, the magnetic force of a plurality of fourth electromagnets is controlled after the magnetic pole of the third electromagnet is changed, the magnetic force of the fourth electromagnet is weakened, the movable block can slide along the fixed block under the mutual repulsion of the third electromagnet and the sixth electromagnet, the magnetic force of the fourth electromagnet is increased when the repulsive force generated between the third electromagnet and the sixth electromagnet cannot push the movable block, the fourth electromagnet tightly adsorbs the movable block, when the first cam on the first rotating shaft is contacted with the connecting head again, the connecting head is squeezed by the movable block, the height of the movable block is higher than that of the fixed block, and the valve opening size of the internal combustion engine is larger when the first cam squeezes the movable block, the size of the opening of the valve of the internal combustion engine can be quickly adjusted by the method, so that the gas distribution of the internal combustion engine is more stable, and the energy waste is reduced.
2. When the valve opening device is used, when the opening size of the internal combustion engine valve needs to be adjusted, the first electromagnet is closed first, then the second electromagnet is opened, the second electromagnet can move towards the first adsorption block under the action of magnetic force after being opened, and the distance between the connecting block and the second cam can be changed after the second electromagnet is attracted with the first adsorption block, so that the distance between the connecting block and the second cam becomes larger, the internal combustion engine valve is opened smaller, and the opening size of the internal combustion engine valve can be quickly adjusted through the method.
3. The invention does not add a new driving device in the internal combustion engine, but only improves the valve body, and the improvement does not cause burden to the internal combustion engine.
Drawings
Fig. 1 is a first structural diagram of a variable valve structure of an internal combustion engine.
Fig. 2 is a side view of a variable valve structure of an internal combustion engine.
Fig. 3 is a schematic structural diagram of a valve stem, a connecting head, and a hydraulic tappet in a variable valve structure of an internal combustion engine.
Fig. 4 is a schematic structural view of a connecting head in a variable valve structure of an internal combustion engine.
Fig. 5 is a partial structural schematic diagram of a variable valve structure of an internal combustion engine.
Fig. 6 is a second structural schematic diagram of a variable valve structure of an internal combustion engine.
Fig. 7 is a partial structural schematic diagram of a variable valve structure of an internal combustion engine.
Fig. 8 is a schematic diagram showing a structure of an adjustment lever in a variable valve structure of an internal combustion engine.
In the figure: 1. a valve stem; 2. a spring; 3. a connector; 4. a control box; 5. hydraulic tappet; 6. a connecting rod; 7. a fixed block; 8. a movable block; 9. a first rotating shaft; 10. a first cam; 101. a second rotating shaft; 102. a second cam; 103. a rocker arm; 104. a top rod; 105. adjusting a rod; 106. connecting blocks; 107. a first electromagnet; 108. a first adsorption block; 109. a slide bar; 110. a second electromagnet; 300. a third electromagnet; 301. a limiting slide way; 302. a fourth electromagnet; 303. a fifth electromagnet; 304. a chute; 305. a second adsorption block; 306. a slider; 307. a sixth electromagnet; 308. and (4) a convex block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 5, in an embodiment of the present invention, a variable valve structure of an internal combustion engine includes a valve assembly, a spring 2, a connector 3, and a first rotating shaft 9, the valve assembly includes a plurality of sets, each set includes two valve assemblies, the first rotating shaft 9 is sleeved with a plurality of cam sets, the first rotating shaft 9 is rotatably connected to a frame of the internal combustion engine, each set includes six first cams 10, the cam sets are located above the valve assembly, the cam sets correspond to the valve assemblies, each set corresponds to two sets of valve assemblies, each three first cams 10 in the cam sets correspond to one set of valve assemblies, the valve assemblies include a valve stem 1, the spring 2, the connector 3, a control box 4, and a hydraulic tappet 5, a valve plug is located at a lower end of the valve stem 1, the connector 3 is located at an upper end of the valve stem 1, and the connector 3 is fixedly connected to the valve stem 1, the spring 2 is sleeved on the valve rod 1, the control box 4 is fixed on the side wall of the connector 3, signals sent by an automobile computer can be received through the control box 4, and the signals can also be sent to the automobile computer, the hydraulic tappet 5 is arranged on the front side of the connector 3, the upper end of the hydraulic tappet 5 is rotatably connected with the connecting rod 6, and one end, far away from the hydraulic tappet 5, of the connecting rod 6 is rotatably connected with the connector 3;
an adjusting device is arranged in the connector 3, the adjusting device comprises a fixed block 7, the fixed block 7 is positioned in the connector 3, the fixed block 7 is positioned in the middle of the connector 3, the left and right side walls of the fixed block 7 are respectively provided with a fifth electromagnet 303, the fifth electromagnet 303 is embedded on the fixed block 7, the left and right ends of the fixed block 7 are respectively movably connected with a movable block 8, the movable blocks 8 are movably connected with the connector 3, the left and right side walls of the fixed block 7 are respectively and symmetrically provided with a chute 304, one ends of the movable blocks 8, which are close to the fixed block 7, are respectively and symmetrically provided with a slide block 306, the movable blocks 8 are in sliding connection with the fixed block 7 through the mutual matching of the slide blocks 306 and the chutes 304, one ends of the movable blocks 8, which are close to the fixed block 7, are respectively provided with a second adsorption block 305, one ends of the movable blocks 8, which are far away from the fixed block 7, are respectively provided with a convex block 308, the convex block 308 is made of iron material, and the lower end of the movable block 8 is respectively provided with a sixth electromagnet 307, the symmetry is equipped with spacing slide 301 on the inner wall of connector 3, lies in spacing slide 301 inside and is equipped with a plurality of fourth electro-magnets 302 on the inner wall of connector 3, and protruding piece 308 is located spacing slide 301, and the movable block 8 is through mutually supporting and connector 3 sliding connection of protruding piece 308 and spacing slide 301, and the inside bottom mounting of connector 3 is equipped with third electro-magnet piece 300.
The principle of the embodiment is as follows:
when the internal combustion engine is normally started, the first rotating shaft 9 can rapidly rotate under the driving of the power structure of the internal combustion engine, the first cam 10 can be driven to rotate when the first rotating shaft 9 rotates, the connector 3 can be continuously extruded in the rotating process of the first cam 10, and the valve plug can be pushed by the valve rod 1 when the connector 3 is extruded, so that the opening size of the valve of the internal combustion engine can be controlled;
when the opening size of the engine valve needs to be adjusted, the fifth electromagnet 303 is turned off first (normally, the fifth electromagnet 303 will adsorb the movable block 8), the magnetic pole of the third electromagnet 300 is changed after the fifth electromagnet 303 is turned off, so that the third electromagnet 300 and the sixth electromagnet 307 are changed from the mutually attracting state to the mutually repelling state, the magnetic force of a plurality of fourth electromagnets 302 is controlled after the magnetic pole of the third electromagnet 300 is changed, the magnetic force of the fourth electromagnet 302 is weakened, so that the movable block 8 can slide along the fixed block 7 under the mutual repulsion of the third electromagnet 300 and the sixth electromagnet 307, when the repulsive force generated between the third electromagnet 300 and the sixth electromagnet 307 cannot push the movable block 8, the magnetic force of the fourth electromagnet 302 is increased, so that the fourth electromagnet 302 tightly adsorbs the movable block 8, when the first cam 10 on the first rotating shaft 9 is in contact with the connecting head 3 again, the connecting head 3 is squeezed by the movable block 8, the height of the movable block 8 is higher than that of the fixed block 7, and the valve of the internal combustion engine can be opened more greatly when the first cam 10 extrudes the movable block 8, so that the opening size of the valve of the internal combustion engine can be quickly adjusted;
when the movable block 8 needs to be restored to the initial state (the initial state is that the top end of the movable block 8 is flush with the top end of the fixed block 7), the magnetic pole of the third electromagnet 300 is adjusted to enable the movable block 8 to be attracted to the sixth electromagnet 307, then the magnetic strength of the fourth electromagnet 302 is adjusted to enable the movable block 8 to slide along the fixed block 7 under the attraction of the third electromagnet 300 and the sixth electromagnet 307, the fifth electromagnet 303 is started after the third electromagnet 300 is in contact with the sixth electromagnet 307, and the movable block 8 is tightly attracted and fixed through the fifth electromagnet 303.
Example two:
referring to fig. 6, 7 and 8, the difference between the embodiments 1 and the embodiments is that a plurality of rocker arms 103 are sleeved on a first rotating shaft 9, the number of the rocker arms 103 is the same as that of the valve assemblies, the rocker arms 103 correspond to the valve assemblies one by one, the rocker arms 103 are rotatably connected to the first rotating shaft 9, one end of each rocker arm 103 contacts with the connector 3, the other end of each rocker arm 103 is rotatably connected to a push rod 104, one end of each push rod 104 away from the rocker arm 103 is provided with an adjusting rod 105, the left side of the first rotating shaft 9 is provided with a second rotating shaft 101, the second rotating shaft 101 is rotatably connected to the frame of the internal combustion engine, the second rotating shaft 101 is sleeved with a plurality of second cams 102, a first adsorption block 108 is arranged inside the adjusting rod 105, a sliding rod 109 is inserted in the middle of the first adsorption block 108, the sliding rod 109 is slidably connected to the first adsorption block 108, the upper end of the sliding rod 109 is provided with a first electromagnet 107, the lower part of the first adsorption block 108 is provided with a second electromagnet 110 on the sliding rod 109, the lower end of the sliding rod 109 penetrates through the adjusting rod 105, the lower end of the sliding rod 109 is provided with a connecting block 106, and the connecting block 106 corresponds to the second cam 102.
The principle of the embodiment is as follows:
when the internal combustion engine normally works, the rocker arm 103 is driven to repeatedly push the valve assembly under the action of the second cam 102, the connecting block 106, the adjusting rod 105 and the ejector rod 104, so that the opening and closing of the valve of the internal combustion engine are controlled in such a way;
when the opening size of the internal combustion engine valve needs to be adjusted, the first electromagnet 107 is closed first, then the second electromagnet 110 is opened, after the second electromagnet 110 is opened, the second electromagnet moves towards the direction of the first adsorption block 108 under the action of magnetic force, after the second electromagnet 110 and the first adsorption block 108 are adsorbed, the distance between the connecting block 106 and the second cam 102 can be changed, the distance between the connecting block 106 and the second cam 102 becomes larger, the internal combustion engine valve is opened to be smaller, and the opening size of the internal combustion engine valve can be adjusted rapidly through the method.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (7)

1.一种内燃机的可变气门结构，包括气门组件、弹簧(2)、连接头(3)和第一转轴(9)，其特征在于，所述气门组件设有若干组，每组所述气门组件的数量均设置为两个，所述第一转轴(9)上套设有若干凸轮组，每组所述凸轮组内均设有六个第一凸轮(10)，所述凸轮组位于气门组件的上方，所述气门组件包括气门杆(1)、弹簧(2)、连接头(3)、控制盒(4)以及液压挺柱(5)；1. A variable valve structure of an internal combustion engine, comprising a valve assembly, a spring (2), a connecting head (3) and a first rotating shaft (9), wherein the valve assembly is provided with several groups, each group of the The number of valve assemblies is set to two, a plurality of cam groups are sleeved on the first rotating shaft (9), and six first cams (10) are arranged in each group of the cam groups, and the cam groups are located in the Above the valve assembly, the valve assembly includes a valve stem (1), a spring (2), a connecting head (3), a control box (4) and a hydraulic tappet (5); 所述连接头(3)内设有调节装置，所述调节装置包括固定块(7)，所述固定块(7)的左右侧壁上均设有第五电磁铁(303)，所述固定块(7)的左右两端均活动连接有活动块(8)，所述活动块(8)与连接头(3)活动连接，所述活动块(8)靠近固定块(7)的一端均设有第二吸附块(305)，所述活动块(8)远离固定块(7)的一端均设有凸起块(308)，所述活动块(8)的下端均设有第六电磁铁(307)，所述连接头(3)的内壁上对称设有限位滑道(301)，所述连接头(3)的内壁上位于限位滑道(301)内部设有若干第四电磁铁(302)，所述连接头(3)的内部底端固定设有第三电磁铁块(300)。The connecting head (3) is provided with an adjusting device, and the adjusting device includes a fixing block (7), and fifth electromagnets (303) are provided on the left and right side walls of the fixing block (7). The left and right ends of the block (7) are movably connected with a movable block (8), the movable block (8) is movably connected with the connector (3), and one end of the movable block (8) close to the fixed block (7) is movably connected. A second adsorption block (305) is provided, the end of the movable block (8) away from the fixed block (7) is provided with a raised block (308), and the lower end of the movable block (8) is provided with a sixth electromagnetic Iron (307), limiting slides (301) are symmetrically arranged on the inner wall of the connecting head (3), and a plurality of fourth electromagnetic fields are arranged on the inner wall of the connecting head (3) inside the limiting slides (301). Iron (302), a third electromagnet block (300) is fixed at the inner bottom end of the connecting head (3). 2.根据权利要求1所述的一种内燃机的可变气门结构，其特征在于，所述凸轮组与气门组件相互对应，每组所述凸轮组都对应两套气门组件，且所述凸轮组内每三个第一凸轮(10)对应一套气门组件。2 . The variable valve structure of an internal combustion engine according to claim 1 , wherein the cam groups and valve assemblies correspond to each other, and each group of the cam groups corresponds to two sets of valve assemblies, and the cam groups correspond to two sets of valve assemblies. 3 . Every three first cams (10) inside corresponds to a set of valve assemblies. 3.根据权利要求1所述的一种内燃机的可变气门结构，其特征在于，所述固定块(7)的左右侧壁上均对称设有滑槽(304)，所述活动块(8)靠近固定块(7)的一端均对称设有滑块(306)，所述活动块(8)通过滑块(306)和滑槽(304)的相互配合与固定块(7)滑动连接。3. The variable valve structure of an internal combustion engine according to claim 1, wherein the left and right side walls of the fixed block (7) are symmetrically provided with sliding grooves (304), and the movable block (8) ) near the fixed block (7) is symmetrically provided with a sliding block (306), and the movable block (8) is slidably connected to the fixed block (7) through the mutual cooperation of the sliding block (306) and the chute (304). 4.根据权利要求1所述的一种内燃机的可变气门结构，其特征在于，所述第一转轴(9)上套有若干摇臂(103)，所述摇臂(103)与第一转轴(9)转动连接，所述摇臂(103)的一端与连接头(3)接触，另一端转动连接有顶杆(104)，所述顶杆(104)远离摇臂(103)的一端均设有调节杆(105)。4. The variable valve structure of an internal combustion engine according to claim 1, wherein a plurality of rocker arms (103) are sleeved on the first rotating shaft (9), and the rocker arms (103) are connected to the first rotating shaft (9). The shaft (9) is rotatably connected, one end of the rocker arm (103) is in contact with the connector (3), and the other end is rotatably connected with a top rod (104), the top rod (104) is away from one end of the rocker arm (103) Both are provided with adjustment rods (105). 5.根据权利要求1所述的一种内燃机的可变气门结构，其特征在于，所述第一转轴(9)的左侧设有第二转轴(101)，所述第二转轴(101)上套设有若干第二凸轮(102)。5. The variable valve structure of an internal combustion engine according to claim 1, characterized in that, a second rotating shaft (101) is provided on the left side of the first rotating shaft (9), and the second rotating shaft (101) The upper sleeve is provided with a plurality of second cams (102). 6.根据权利要求4所述的一种内燃机的可变气门结构，其特征在于，所述调节杆(105)的内部设有第一吸附块(108)，所述第一吸附块(108)中部插设有滑杆(109)，所述滑杆(109)的上端设有第一电磁铁块(107)，所述第一吸附块(108)的下方位于滑杆(109)上设有第二电磁铁(110)。6. A variable valve structure for an internal combustion engine according to claim 4, characterized in that, a first adsorption block (108) is provided inside the adjustment rod (105), and the first adsorption block (108) A sliding rod (109) is inserted in the middle, the upper end of the sliding rod (109) is provided with a first electromagnet block (107), and the bottom of the first adsorption block (108) is located on the sliding rod (109) with a A second electromagnet (110). 7.根据权利要求6所述的一种内燃机的可变气门结构，其特征在于，所述滑杆(109)的下端贯穿调节杆(105)，所述滑杆(109)的下端设有连接块(106)，且所述连接块(106)与第二凸轮(102)相互对应。7. The variable valve structure of an internal combustion engine according to claim 6, wherein the lower end of the sliding rod (109) penetrates the adjusting rod (105), and the lower end of the sliding rod (109) is provided with a connection A block (106), and the connecting block (106) and the second cam (102) correspond to each other.
CN202111006339.9A 2021-08-30 2021-08-30 Variable valve structure of internal combustion engine Expired - Fee Related CN113586196B (en)

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Publication number Priority date Publication date Assignee Title
EP1124040A1 (en) * 2000-02-11 2001-08-16 TRW Deutschland GmbH, Motorkomponenten Electromagnetic valve actuator
JP2002349217A (en) * 2001-05-29 2002-12-04 Unisia Jecs Corp Engine valve electromagnetic drive
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CN101004150A (en) * 2007-01-18 2007-07-25 孙海潮 Method for changing motion regulation of execution piece controlled by cam
CN203756265U (en) * 2014-04-21 2014-08-06 九江学院 Automobile engine valve train
CN104653288A (en) * 2015-01-05 2015-05-27 吉林大学 Free piston generator system using electromagnetic variable valve technique
CN205297668U (en) * 2016-01-20 2016-06-08 郭金锋 Car internal combustion engine valve
CN107667207A (en) * 2015-04-02 2018-02-06 伊顿公司 Split type axial cam shift system variable valve actuation function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1124040A1 (en) * 2000-02-11 2001-08-16 TRW Deutschland GmbH, Motorkomponenten Electromagnetic valve actuator
JP2002349217A (en) * 2001-05-29 2002-12-04 Unisia Jecs Corp Engine valve electromagnetic drive
CN1712676A (en) * 2004-06-21 2005-12-28 福特环球技术公司 An Improved Permanent Magnet Electromagnetic Actuator Used in Engine Electronic Valve Actuation System
CN101004150A (en) * 2007-01-18 2007-07-25 孙海潮 Method for changing motion regulation of execution piece controlled by cam
CN203756265U (en) * 2014-04-21 2014-08-06 九江学院 Automobile engine valve train
CN104653288A (en) * 2015-01-05 2015-05-27 吉林大学 Free piston generator system using electromagnetic variable valve technique
CN107667207A (en) * 2015-04-02 2018-02-06 伊顿公司 Split type axial cam shift system variable valve actuation function
CN205297668U (en) * 2016-01-20 2016-06-08 郭金锋 Car internal combustion engine valve

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