CN104514655A - Mechanical system, injection pump and valve actuator comprising and manufacturing method for mechanical system - Google Patents
Mechanical system, injection pump and valve actuator comprising and manufacturing method for mechanical system Download PDFInfo
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- CN104514655A CN104514655A CN201410510117.4A CN201410510117A CN104514655A CN 104514655 A CN104514655 A CN 104514655A CN 201410510117 A CN201410510117 A CN 201410510117A CN 104514655 A CN104514655 A CN 104514655A
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- China
- Prior art keywords
- mechanical system
- main body
- supporting member
- axle
- pin
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Classifications
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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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/445—Selection of particular materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/48—Assembling; Disassembling; Replacing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
- F01L2305/02—Mounting of rollers
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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
- F01L2307/00—Preventing the rotation of tappets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/90—Selection of particular materials
- F02M2200/9015—Elastomeric or plastic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/90—Selection of particular materials
- F02M2200/9053—Metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Transmission Devices (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a mechanical system (1), comprising a tappet (10) including a body (11), a support element (20) defining two bores (258) centered on a first axis (X1), a pin (30) comprising two opposite ends each adapted to be fitted in one of the two bores (258), and a roller element (40) positioned between the two bores (258) along the first axis (X1) and movable in rotation relative to the pin (30) around the first axis (X1). According to the invention, the support element (20) is distinct from the body (11) and fixed thereto, and the support element (20) also comprises at least one antirotation device (24) integrally formed thereto. The invention also relates to an injection pump and a valve actuator comprising such a mechanical system (1). The invention also relates to a manufacturing method.
Description
Technical field
The present invention relates to a kind of mechanical system.The invention still further relates to a kind of syringe pump and a kind of valve actuator, this valve actuator is used in motor vehicle, and such as, in gasoline engine car, each valve actuator comprises so a kind of mechanical system.The invention still further relates to the method for the manufacture of such mechanical system.
Background technique
Traditionally, the cam follower belonging to syringe pump comprises at least one tappet (tappet), roller and be bronze system or the pin of steel.Roller and pin are centered by transverse axis, and tappet extends along the longitudinal axis.Tappet is formed with two lateral flange, defines intermediate space between them and eachly comprises columniform hole, or the hole for tilting.Described roller is in two intermediate space between flange and hole.Pin is assembled in two holes, is movable rotatably to make roller relative to pin around its axle.Described pin then can two end opposite by caulking joint, and in other words plastic deformation is to set up mechanical connection by being press-fitted in retinue piece bores.
When cam follower in use time, roller and the cam synchronous with internal combustion (IC) engine camshaft cooperation.The rotation of camshaft causes the displacement of the piston cycle of the pump leaned against on described tappet, to allow to supply fuel.Tappet is back and forth movable along the longitudinal axis.
In fact, cam follower causes transverse axis/pin and roller relative to the angular orientation of this longitudinal axis around the angular orientation of its longitudinal axis.When incorrect orientation, the cooperation between roller and cam is inappropriate and roller rotation can be obstructed.In other words, the incorrect orientation around the longitudinal axis can cause cam follower, syringe pump and breakdown in the motor.
It is known that provide rotation preventing function by optional feature being fixed to described tappet to cam follower.Document WO-A-2010/048968, US-B-7210437 and US-A-2008/190237 describe such example being provided with the cam follower of anti-rotation device.This device, in the guiding lower slider in the hole around tappet, is guaranteed the correct orientation of cam follower thus and prevents from rotating unexpectedly around it of its longitudinal axis.But, which increase the quantity of the subassembly of these cam followers.Their assembling be made more complicated and the time longer.
Summary of the invention
The object of the invention is will provide a kind of mechanical system being provided with the improvement of rotation preventing function, such as cam follower.
For this reason, the present invention relates to a mechanical system, comprise the tappet with main body; Limit the supporting member in two holes centered by the first axle; Comprise the pin of two contrary ends, each end is suitable for being assemblied in one of two holes; And to be positioned between two holes along the first axle and to be roller element movable rotatably relative to pin around the first axle.
According to the present invention, supporting member is different from main body and fixed thereon, and supporting member also comprises at least one anti-rotation device formed as one with it.
Due to the present invention, mechanical system provides rotation preventing function and pin support function on same parts, does not have to use additional parts.Design and its assembling of mechanical system are simplified.Anti-rotation device is more accurate relative to the position of bearing pin.Anti-rotation device prevents supporting member from rotating in the hole of this supporting member, and it is such as the tappet of cam follower.
According to of the present invention be favourable but optional further aspect, such mechanical system can one or several in conjunction with following characteristics:
-anti-rotation device is outstanding pin.
-anti-rotation device has curved section and radial component.
-anti-rotation device be supporting member only have part, its central shaft relative to main body is fartherly more outstanding than the main body of tappet diametrically.
The main body of-tappet has the endoporus of cylindricality, and it defines the cavity receiving described supporting member.
-supporting member is clamped in main body.
-supporting member power coordinates (force-fitted) in main body.
-supporting member is arranged in main body with a play, is then fixed to described main body by crimping, melting welding or soldering.
-supporting member is fixed to described main body by the local deformation portion of described main body.
-mechanical system comprises at least two anti-rotation devices formed as one with described supporting member.
-supporting member comprises at least one surface, its rest on main body at least one on the surface to make the load be applied on roller element be delivered to described main body from supporting member at least in part via these surfaces.
-main body, by composite, such as, by polyamide or poly-diether ketone, is made.
-body comprises metal, such as, by steel, makes.
-supporting member, by metal, such as, by steel, is made, and the flange being stamped to form anti-rotation device and comprising described hole.
-mechanical system comprises the bearing inserted between described pin and roller element.
-mechanical system forms a cam follower, and tappet is movable and roller element is suitable for rolling on the outer surface of cam along the translation shaft perpendicular to the first axle.
The invention still further relates to a kind of syringe pump for motor vehicle, it is equipped with mechanical system as above.
The invention still further relates to the valve actuator for motor vehicle, it is equipped with mechanical system as above.
The invention still further relates to the method for the manufacture of mechanical system as above, wherein anti-rotation device is formed as one by punching press and described supporting member, and then supporting member is fixed to described main body by clamping, crimping, melting welding and/or soldering.
Accompanying drawing explanation
Explain the present invention by being combined with the exemplarily accompanying drawing not limiting object of the present invention of property example now.In the accompanying drawings:
Fig. 1 is the side view according to mechanical system of the present invention of cam follower type, and described mechanical system comprises tappet, inserting member and roller;
Fig. 2 is the top view of the arrow II along Fig. 1;
Fig. 3 and 4 is respectively along the line III-III of Fig. 2 and the sectional view along line IV-IV, its bearing pin being shown and supporting described roller;
Fig. 5 is a perspective view, and it illustrates the tappet and inserting member that belong to the mechanical system of Fig. 1 to 4, does not have pin, bearing and roller;
Fig. 6 is the side view of the inserting member of arrow VI along Fig. 5;
Fig. 7 is a perspective view, and it illustrates mechanical system according to a second embodiment of the present invention; And
Fig. 8 is the sectional view being similar to Fig. 4, and it illustrates the mechanical system of Fig. 7.
Embodiment
Mechanical system 1 shown in Fig. 1 to 6 is cam follower type, is suitable for equipping the syringe pump being preferably used for gasoline engine car for motor vehicle, not shown.
System 1 comprises tappet 10, inserting member 20, pin 30, roller 40 and bearing 50.Pin 30, roller 40 and bearing 50 are centered by transverse axis X1, and tappet 10 is centered by longitudinal axis Y1.Axle X1 with Y1 is vertical.In the embodiment of Fig. 1 to 6, bearing 50 is made up of needle roller 52.Alternatively, it can be made up of cylinder roller or slide bushing.
Tappet 10 comprises tubular body 11, and it centered by axle Y1 and on top extends between edge 12 and lower limb 13.Main body 11 has the outer surface 14 of cylindricality and the endoporus 15 of cylindricality, and the cavity 16 in described tappet 10 is defined in this hole.This cavity 16 is suitable for receiving along the piston of axle Y1 after tappet 10 or push rod, not shown.This cavity 16 is also suitable for receiving inserting member 20.Tappet 10 belongs in the hole of syringe pump or motor unshowned, and slipping in this hole by surface 14, is back and forth movable along axle Y1.Tappet 10 can be made up of composite, such as polyamide 6,6 (PA) or poly-diether ketone (PEEK), or is made of metal, such as steel.The material of tappet 10 is selected as being oil resistant and its additive and temperature variation.
Inserting member 20 comprises the lug 22,23,25 and 26 of center core 21 and four transverse directions, and these four lugs from central part 21 and axle Y1 on the contrary, then partly along the direction parallel with axle Y1, extend.Each lug 22,23,25 and 26 comprises curved section, is respectively 221,231,251 and 261, and it extends then from radially bending top from described core body 21 with axle Y1 on the contrary; And axial component, be respectively 222,232,252 and 262, it extends along the direction parallel with axle Y1.Part 222 and 223 bends around axle Y1 and is suitable for resting on the hole 15 of tappet 10.Part 252 comprises the bending lower surface 254 of upper surface 253, two planes and the lateral flange in the hole 258 of cylindricality.Part 262 comprises the bending lower surface 264 of upper surface 263, two planes and the lateral flange in the hole 268 of cylindricality.Inserting member 20 forms the supporting member being used for pin 30, roller 40 and bearing 50.Specifically, the hole 258 and 268 of inserting member 20 is suitable for receiving pin 30, and this pin 30 is provided with roller 40 and bearing 50.When inserting member 20 is fixed to tappet 10, two lateral flange 252 and 262 are parallel to Y1 and extend on the both sides of axle Y1 with bifurcated manner, and surface 254 and 264 rests on edge 12.Flange 252 and 262 defines intermediate space 27 between which.Two holes 258 have identical diameter with 268 along identical axle X1 extend through flange 252 and 262.
In addition, according to the present invention, anti-rotation device 24 and inserting member 20 form as one.Device 24 is pins, and this pin is along the direction parallel with the axle Z1 perpendicular to axle X1 with Y1 from lug 23 projection.Pin 24 has curved section 241 and radial component 242.Part 241 extends along axle Y1 from lug 23 and then bends on the contrary along axle Z1 and axle Y1.Part 242 extends on the contrary along axle Z1 and axle Y1.Part 242 comprises two landscape surfaces 243 and top and bottom 244.When system 1 is by operation, pin 24 and more properly face 243 cooperate with the unshowned guide slot be formed as in the hole around tappet 10.Thus, pin 24 prevents tappet 10 from rotating around axle Y1 in this hole.According to the structure of syringe pump, 244 can form end stop for distal ends below pin 24 He above, this end stop for distal ends is suitable for the end against guide slot or another parts.
Inserting member 20 is preferably made of metal, such as the steel of such as XC75.The material of inserting member 20 is selected as being oil resistant stream, temperature variation and mechanical strain.Inserting member 20 is formed preferably by punching press.In other words, element 21 to 26 is defined in planar metal plate, is then formed by punching press.Hole 28 is defined between part 221,231,251 and 261, to save material and to avoid when inserting member 20 is by crack during Pressing Deformation.Inserting member 20 is clamped in main body 11, and preferred soil fertility coordinates.Alternatively, inserting member 20 is arranged in main body 11 by footpath upward to axle Y1 mono-play, is then such as fixed to main body 11 by crimping, melting welding or soldering.Pin 30 is included in the post surface 32 extended between two pin ends 35 and 36.In fact, sell end 35 and 36 be suitable for respectively in hole 258 and 268 by caulking joint.Pin 30 is made of metal, such as steel or bronze.If steel, so pin 30 preferably before the caulking joint step through Overheating Treatment.Or rather, sell end 35 and 36 can just before caulking joint step through induction hardening step.
Roller 40 has the hole 42 of the cylindricality of the post surface 41 of outside and the inside centered by axle X1.Surface 41 is used to rest on the outer surface of the unshowned cam synchronous with internal combustion (IC) engine camshaft.Surface 41 preferable through heat treatment to increase its resistivity to load and/or wearing and tearing.
Needle bearing 50 comprises and is parallel to axle X1 extension and a series of needle rollers 52 be distributed in around axle X1 well-balancedly.Needle roller 52 is inserted between the surface 32 of pin 30 and the surface 42 of roller 40.
At the assembly process of system 1, in roller 40 and rolling bearing 50 intermediate space 27 before pin 30 between two flanges 252 and 262.Then pin 30 be inserted into inserting member 20 hole 258 and 268 in and insert in rolling bearing 50.Finally, end 35 and 36 is sold in hole 258 and 268 by caulking joint.In this stage, roller 40 is movable rotatably relative to pin 30 around axle X1.Bearing pin, roll shaft and rolling bearing axis and axle X1 combine.Then roller 40 is suitable for rolling, and can roll in its surface 41 on the outer surface of unshowned cam or rather.
In fact, the load be applied on the surface 41 of roller 40 is passed to rolling bearing 50, then arrives pin 30, then arrives inserting member 20, then arrives tappet 10 and to the unshowned piston of cavity 16 or the push rod that are positioned at tappet 10.The core body 21 of inserting member 20 leans on the components with the way of contact.Surface 254 and 264 rests on the surface at edge 12 with the way of contact, is delivered to main body 11 at least in part to make the load be applied on roller 40 via these surfaces from supporting member 20.But due to the present invention, the most of load be applied on roller 40 is received instead of tappet 10 by inserting member 20, is then passed to piston or push rod.Tappet 10 slidably reciprocates along axle Y1 but bears little mechanical strain.
According to the present invention, inserting member 20 has three different functions.Inserting member 20 forms the supporting member being used for pin 30.Inserting member 20 comprises the anti-rotation device 24 formed as one with it.Inserting member 20 contacts, for dynamic changes process with the piston or push rod being positioned at cavity 16 inside.
Fig. 7 and 8 illustrates mechanical system 1 according to a second embodiment of the present invention.Only be described following with the difference relative to the first embodiment.
Main body 11 comprises local deformation portion 120 and 140, for fixing inserting member 20 to tappet 10.After variant part 120 is formed in variant part 140.About the example of Fig. 7 and 8, main body 11 comprises four variant parts 140 around five variant parts 120 being distributed in edge 12 and well-balanced point cloth beam Y1.Variant part 140 is made by the outer surface 14 impacting main body 11, comprises the depression 141 be formed on outer surface 14 and the projection 142 towards axle Y1 be formed on internal surface 15 thus.The part 221,231,251 and 261 of inserting member 20 and projection 142 bearing contact (bearingcontact) of cavity 16 inside, prevent inserting member 20 from moving towards edge 13 in cavity 16 thus.Variant part 140 was made into before or after being arranged in main body 11 by inserting member 20.Variant part 120 is by making the material at edge 12 make along axle Y1 impingement insert 20, prevents inserting member 20 from moving to outside cavity 16 at edge 12 place thus.Due to variant part 120 and 140,20 are fixed to main body 11 by crimping.
Other unshowned embodiment can be embodied as and not leave scope of the present invention.Such as, tappet 10, inserting member and/or roller element 40 can have different structures, such as, depend on the expection application of system 1.According to another example, the quantity of device 24, shape and variable position and do not leave scope of the present invention.
According to unshowned embodiment, system 1 can form a rocking arm, and wherein supporting member 10 is not that tappet and its central roll element 40 are fixed to an arm and a tappet, such as, act on valve rod.
According to another unshowned embodiment, system 1 does not comprise rolling bearing 50, and pin 30 forms simple bearing together with roller 40.Iwis, in heavy-duty applications, such as, in diesel truck engine, not used for the space of implementing involved by rolling bearing 50 and/or excessive load, prove that simple single bearing use is correct thus.Alternatively, bearing 50 can be substituted by lining.
According to another unshowned embodiment, system 1 comprises two anti-rotation devices 24.Such as, two anti-rotation devices 24 can be formed on lug 23 and to be adjusted to and be parallel to axle Y1, so that they can be arranged in same groove, this flute profile becomes in hole around tappet 10.Alternatively, two anti-rotation devices 24 can about axle Y1 diametrically relative, and make first device be formed on lug 23, the second device is formed on lug 24.
Regardless of embodiment, system 1 makes supporting member 20 be different from main body 11 and fixed thereon.In addition, supporting member 20 comprises at least one anti-rotation device 24 formed as one with it.This anti-rotation device 24 to be suitable for being assemblied in the groove of main body 11 and to slide in the cell.
In addition, the technical characteristics of different embodiment can entirely or partly be bonded to each other.Thus, mechanical system 1 and its manufacture method can be suitable for the specific requirement of application.
Claims (15)
1. a mechanical system (1), comprising:
Comprise the tappet (10) of main body (11),
Limit the supporting member (20) in two holes (258,268) centered by the first axle (X1),
Comprise the pin (30) of two contrary ends (35,36), each end is suitable for being assemblied in one of described two holes (258,268), and
Roller element (40), this roller element is positioned at described two holes (258 along described first axle (X1), 268) between and relative to described pin (30) around described first axle (X1) be rotate movable
It is characterized in that, described supporting member (20) is different from described main body (11) and is fixed in this main body, and described supporting member (20) also comprises at least one anti-rotation device (24) formed as one with it.
2. mechanical system according to claim 1 (1), is characterized in that, described supporting member (20) is clamped in described main body (11).
3. mechanical system according to claim 2 (1), is characterized in that, described supporting member (20) is that power is engaged in described main body (11).
4. mechanical system according to claim 1 (1), it is characterized in that, described supporting member (20) is installed in described main body (11) with a play, is then fixed to described main body (11) by crimping, melting welding or soldering.
5. mechanical system according to claim 4 (1), is characterized in that, described supporting member (20) is by the local deformation portion (120 of described main body (11); 140) described main body (11) is fixed to.
6. mechanical system according to claim 1 (1), is characterized in that, it comprises at least two anti-rotation devices (24) formed as one with described supporting member (20).
7. mechanical system according to claim 1 (1), is characterized in that, described supporting member (20) comprises at least one surface (254,264; 221,231,251,261), this at least one surface rests at least one surface (12 of described main body (11); 142) on, to make to be applied to load on described roller element (40) via these surfaces (12,254,264; 142,221,231,251,261) described main body (11) is delivered to from described supporting member (20) at least in part.
8. mechanical system according to claim 1 (1), is characterized in that, described main body (11) is made up of composite.
9. mechanical system according to claim 1 (1), is characterized in that, described main body (11) is made of metal.
10. mechanical system according to claim 1 (1), it is characterized in that, described supporting member (20) is made of metal and is stamped form described anti-rotation device (24) and comprise described hole (258,268) flange (252,262).
11. mechanical systems according to claim 1 (1), is characterized in that, it comprises the bearing (50) inserted between described pin (30) and described roller element (40).
12. mechanical systems according to claim 1 (1), it is characterized in that, it forms cam follower, wherein said tappet (10) is movable along the translation shaft (Y1) perpendicular to described first axle (X1), and wherein said roller element (40) is suitable for rolling on the outer surface of cam.
13. 1 kinds, for the syringe pump of motor vehicle, is characterized in that, it comprises the mechanical system (1) according to any one in claim 1 to 12.
14. 1 kinds, for the valve actuator of motor vehicle, is characterized in that, it comprises the mechanical system (1) according to any one in claim 1 to 12.
15. 1 kinds of methods for the manufacture of the mechanical system (1) according to any one in claim 1 to 12, it is characterized in that, pass through punching press, described anti-rotation device (24) and described supporting member (20) form as one, and then described supporting member (20) is fixed to described main body (11) by clamping, crimping, melting welding and/or soldering.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13186518.0A EP2853699B1 (en) | 2013-09-27 | 2013-09-27 | Tappet, injection pump and valve actuator comprising such a tappet and manufacturing method for such a tappet |
| EP13186518.0 | 2013-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514655A true CN104514655A (en) | 2015-04-15 |
| CN104514655B CN104514655B (en) | 2019-01-29 |
Family
ID=49274471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410510117.4A Active CN104514655B (en) | 2013-09-27 | 2014-09-28 | Mechanical system, syringe pump and valve actuator and manufacturing method |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2853699B1 (en) |
| CN (1) | CN104514655B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106968855A (en) * | 2015-09-15 | 2017-07-21 | 通用汽车环球科技运作有限责任公司 | Fuel unit pump and the explosive motor for including fuel unit pump |
| CN110344901A (en) * | 2018-04-04 | 2019-10-18 | 通用汽车环球科技运作有限责任公司 | Cam follower member |
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| JP6411275B2 (en) * | 2015-04-10 | 2018-10-24 | 株式会社オティックス | Lifter detent structure |
| EP3124759A1 (en) * | 2015-07-30 | 2017-02-01 | Aktiebolaget SKF | Roller device, pin for use in a roller device and method for locking a pin |
| DE102015218754B4 (en) | 2015-09-29 | 2018-08-30 | Continental Automotive Gmbh | high pressure pump |
| US10119607B2 (en) | 2016-04-15 | 2018-11-06 | Koyo Bearings North America Llc | Follower mechanism |
| US11143059B2 (en) | 2019-10-03 | 2021-10-12 | Koyo Bearings North America Llc | Tappet assembly with unground outer cup |
| US11149593B2 (en) | 2019-10-03 | 2021-10-19 | Koyo Bearings North America Llc | Tappet assembly with formed anti-rotation alignment device |
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| DE4331694A1 (en) * | 1993-09-14 | 1995-03-23 | Ntn Toyo Bearing Co Ltd | Roller tappet |
| US20080190237A1 (en) * | 2006-12-06 | 2008-08-14 | Schaeffler Kg | Mechanical tappet in particular for a fuel pump of an internal combustion engine |
| CN102089500A (en) * | 2008-09-04 | 2011-06-08 | 丰田自动车株式会社 | Roller lifter, roller lifter production method and liquid pump |
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| CN106968855A (en) * | 2015-09-15 | 2017-07-21 | 通用汽车环球科技运作有限责任公司 | Fuel unit pump and the explosive motor for including fuel unit pump |
| CN110344901A (en) * | 2018-04-04 | 2019-10-18 | 通用汽车环球科技运作有限责任公司 | Cam follower member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514655B (en) | 2019-01-29 |
| EP2853699A1 (en) | 2015-04-01 |
| EP2853699B1 (en) | 2016-05-25 |
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