CN105799507A - Spring device having characteristics of lag and pedal control - Google Patents
Spring device having characteristics of lag and pedal control Download PDFInfo
- Publication number
- CN105799507A CN105799507A CN201610028257.7A CN201610028257A CN105799507A CN 105799507 A CN105799507 A CN 105799507A CN 201610028257 A CN201610028257 A CN 201610028257A CN 105799507 A CN105799507 A CN 105799507A
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- China
- Prior art keywords
- spring
- pedal
- housing
- foot
- support component
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/409—Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/44—Controlling members actuated by foot pivoting
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Control Devices (AREA)
- Control Of Transmission Device (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a spring device (16) used for resetting a pedal (10), comprising spring members (20,22) which can be retracted along an axial direction, a housing (18) and a support member; the housing is used for receiving spring members (20,22); the spring members are supported inside the housing; the other end of the spring member is supported on the support member; the support member is configured to transmit the force generated by the spring device to a pedal rod (14) of the pedal; a pedal control spring (50) which is projected from the side of the support member (28) is led on the side of the spring member (20,22) along the axial direction; and the pedal control spring is configure to abut against the inner rim (60) of the housing (18) and applies the additional spring force to the pedal rod (14) from the pedal control position.
Description
Technical field
The present invention relates to a kind of spring assembly for pedal and there is the pedal of spring assembly.
Background technology
Pedal, such as clutch pedal or accelerator pedal use in a motor vehicle to control the function of the determination of motor vehicles.Described pedal is generally of spring assembly, and described spring assembly produces react on the counteracting force of the power being applied on pedal by driver and make described pedal rotate back into initial position.
In accelerator pedal, described accelerator pedal such as controls the fuel quantity being transported on internal combustion engine or the power flowing to motor, it typically is advantageous to, the force curve of pedal has sluggishness, that is, for instance the counteracting force when bend the throttle is more than the counteracting force in backhaul.Being likely to advantageously, on the end of the pedal travel when pushing down on the pedal completely, described counteracting force increases strongly, and this is called pressure downshift (Kickdown) or foot-operated control characteristic.
DE102010027924A1 illustrates a kind of accelerator pedal with spring assembly, and described spring assembly can produce the sluggishness in spring force on spring travel by electric magnet.Foot-operated control power or pressure kickdown force produce by means of spring clip and the pin being resisted against on described spring clip.
Summary of the invention
Embodiments of the present invention propose a kind of spring assembly and pedal, described spring assembly and pedal can provide lagging characteristics and/or foot-operated control characteristic in a straightforward manner.
One aspect of the present invention relates to make the spring assembly of pedal return.Pedal can be such as such as the clutch pedal of electric clutch or such as controlling the accelerator pedal of burning driving device, electric driver or hybrid drive.
According to an embodiment of the invention, accelerator pedal includes spring element, housing and the support component that can shrink in the axial direction, described housing is used for receiving spring element, described spring element is supported in described housing on one end, and another end of spring element supports on a support element, and described support component implements the pedal-rod for the power produced by spring assembly is delivered to pedal.Described housing can be such as tank shape, and wherein, spring element, such as one or more helical springs being set to each other together are supported on the bottom of tank.Support component can be pressed onto the inside of housing by pedal-rod, and wherein, then spring element shrinks.
In addition, spring assembly includes the foot-operated control spring laterally highlighted from support component, described foot-operated control spring is directed on spring element side in the axial direction, and described foot-operated control spring is configured to the inward flange in foot-operated control position against housing, and produces the additional spring force being applied on foot-driven lever from foot-operated control position.When support component is loaded by pedal-rod, support component is pushed in housing by pedal-rod, and at this, spring assembly is in the internal contraction of housing, and described spring assembly produces the principal component of the counteracting force being applied on pedal-rod.In the distance of the determination of foot-operated control position, laterally it is disposed about against inward flange and additionally shrinking with an end at the foot-operated control spring of the machinery of enclosure interior at spring assembly, thus making the power being applied on pedal-rod increase from foot-operated control position.
Therefore, it can utilize simple machinery to produce additional foot-operated control counteracting force.Foot-operated control spring and two spring elements also are disposed in identical (can-like) housing, and this additionally can save housing parts.
According to an embodiment of the invention, support component has friction element, and described friction element is configured to produce frictional force on the inner side of housing when support component moves in the housing.Friction element such as can have rubbing surface on the outside, and described rubbing surface can along the inner slide of housing.When making spring element shrink by pedal-rod, friction element increases its diameter, thus rubbing surface is pressed to inner side strongly and frictional force is increased.When spring element is expanded, when the power being applied on support component by pedal-rod reduces, friction element reduces its diameter, thus frictional force is reduced.Sum it up, the power produced by spring assembly has sluggishness, say, that in the same point of the stroke of pedal-rod, the power when being pressed in housing by support component more than making power during support component return by spring assembly.
Sluggishness can be such as produced by aforesaid device, wherein, pedal starting point (such as, idle speed adjustment) in, in the starting point (such as idle speed adjustment) of pedal, in must applying the scope between 7N and 23N, preferably the first power in scope between 12N and 18N, and when arriving full load point, it is necessary to apply in the scope between 37N and 65N, preferably the second power in scope between 45N and 55N.When releasing the pedal, in order to keep full load point then such as to need the 3rd power, described 3rd power may be between 25N and 40N, preferably in scope between 30N and 38N, and when arriving idling point, then the 4th power can be enough, and described 4th power is between 3N and 18N, preferably in scope between 8N and 12N.
Described sluggish, namely all of four round dots however also have the force curve between described end points can be matched with user's feature in a straightforward manner by the present invention.
In this way, the lagging characteristics of spring assembly can be provided by simple mechanical part.Can also by correspondingly adjust the axial profile of the inner surface of housing regulate retardant curve, namely about the power difference of stroke directions and/or with the non-linear dependencies of stroke.
Additionally, all of rubbing surface is in the enclosure interior of relative compact, produce the additional force for lagging characteristics by means of described rubbing surface.
According to an embodiment of the invention, described support component has expansion member, described expansion member has the first lozenges, described first lozenges is supported on corresponding second lozenges of friction element, thus when being pressed onto in expansion member by pedal-rod, described expansion member makes described friction element be widened by the second lozenges with the first lozenges.In other words, when support component inward, the first lozenges is pressed onto on the second lozenges and makes support component expand, thus friction element is applied to the power on the inwall of housing and increases, this makes again the frictional force between friction element and housing increase.If support component moves out, then described support component is made to skid off from outer member again, thus this can reduce the diameter of described outer member.Outer member is applied to the power on the inwall of housing and reduces, and this makes again the frictional force between outer member and housing reduce.
Furthermore, it will be appreciated that the surface of the first lozenges and the second lozenges can be different size of.Observing in cross-section, each lozenges can be respectively provided with, on end axially, the diameter extending through axis of symmetry, and wherein, described diameter vertically intersects with axis of symmetry.Being extended obliquely by lozenges, the diameter on an end of lozenges can less than the diameter on opposed end.The minimum diameter of lozenges is properly termed as interior diameter, and maximum gauge is properly termed as overall diameter.Different size of lozenges then can be accomplished by, namely the axial spacing between interior diameter and the overall diameter of such as the second lozenges can be substantially less than the corresponding spacing (or on the contrary, the axial spacing between interior diameter and the overall diameter of the first lozenges can be substantially less than the corresponding spacing when the second lozenges) when the first lozenges.Described axial spacing is it is also possible that little, so that described second lozenges is almost linear (being almost linear conversely, for the first lozenges).In other words, it is also possible to so provide the shape of lozenges, namely a lozenges is observed only linearly or in cross-section and is only contacted with another lozenges to point-like.Desired retardant curve can be adjusted targetedly by the different configuration of lozenges.
According to an embodiment of the invention, the first lozenges is about the central axis of spring assembly towards outward, and the second lozenges is towards interior.Friction element and/or expansion member can have protuberance, and described protuberance is prominent from the corresponding disk of respective element and provides lozenges.Described protuberance such as can highlight about the plane of disk along the surface normal of described plane or highlight in the axial direction.Furthermore, it is possible to the first lozenges and the second lozenges or two protuberances are at least in part annularly around the central axis of spring assembly.Advantageously, described layout constructs particularly compactly.In addition it can be advantageous to by the shape of lozenges toward each other, such as regulate lagging characteristics by described lozenges in a simpler way about the angle of inclination of central axis.Described lozenges is parallel to central axis orientation (namely the angle between central axis and lozenges is more little) in greater degree, made by expansion member friction element the more little degree of diameter increase.In this way, it is possible to regulate the retardant curve of user's customization simply just with the parts of machinery.Described device is also that special robust is with reliably in service life.
According to an embodiment of the invention, described friction element has central opening, the centring element described central opening of traverse of described expansion member.Centring element can be such as ring or annular wall, and described ring such as extend into housing from the disk of expansion member in the axial direction.Described ring needs not to be Guan Bi.Centring element constructs with can also be similar to that pin.Advantageously, thus make the assembling of described device become simple, because at least one spring element can be directed over centring element in this way, and described spring element thus can be made stable in radial directions.It is in operation and also suppresses spring laterally to expand in this way, therefore improve reliability and service life.
According to an embodiment of the invention, described friction element is substantially annular and has longitudinal slit, and described longitudinal slit achieves the diameter changing friction element.Even if friction element is by the material manufacture of relative rigid, it is also possible to make the overall diameter of friction element increase and reduce by increasing and reduce longitudinal slit, wherein, friction element deforms on the side opposed with slit.At this, friction element deforms on the side opposed with slit.
According to an embodiment of the invention, friction element is configured to elastic, thus the increase of its diameter independently resisted by described friction element.Such as when friction element no longer by expansion member to external pressure time, friction element or the position opposed with slit can be returned to again its original-shape.Hence it is advantageous to guarantee the service life grown especially and guarantee consistent performance during service life.
According to an embodiment of the invention, the material for increasing friction force is arranged between the internal friction face of housing and the outer friction face of friction element.Described material, such asMay be mounted on housing or friction element.
According to an embodiment of the invention, the rubbing surface of housing includes the region that at least two is axially arranged, described at least two regional structure is for making friction element produce in the first region and frictional force different in the second area.Described region can such as have different interior diameters.It is also possible that be arranged in one of said two region for the material of increasing friction force, and in another region, it is absent from this material or existence is different from this material.Therefore, it can advantageously regulate lagging characteristics to user's customization in the way of simple and with low cost, without the external shape changing device.Therefore, it is possible to use modular production decision, cost thus can be saved.
If the direction of motion that the rubbing surface of housing is parallel to support component extends, then frictional force is usually power that is constant and that be applied on pedal together with the power being linearly dependant on stroke of spring element and linearly increases.Additionally, described frictional force is relevant to the interior diameter of the rubbing surface of housing.Therefore, different interior diameters is utilized can to produce different frictional force.If rubbing surface is not parallel to but favours the direction of motion and extend, then it is also accomplished that, described frictional force or be applied to the power on accelerator pedal not along with stroke linear increase or to go gradients different from backhaul (in housing) in journey to increase.
Housing can such as using injection moulding method manufacture and have metal or plastics as material.Therefore, the rubbing surface of housing can such as produce in injection mold with interchangeable plug-in unit.Therefore can desirably mate with desired lag phase.
According to an embodiment of the invention, described foot-operated control spring includes at least one leaf spring, and described leaf spring has at least one spring-latch, and described spring-latch is directed on spring element side.Described leaf spring can be received in support component on one end and then (about 90-degree bent) is transitioned in spring-latch, and described spring-latch extends past on spring assembly side with being arranged essentially parallel to the inner surface of housing.Therefore, foot-operated control spring can particularly simple and compactly manufacture.Therefore, described foot-operated control spring is also special robust and the high stability with opposing fracture.
According to an embodiment of the invention, described leaf spring has two opposed spring-latch, and described spring leaf laterally highlights from support component.The two spring-latch can coordinate with opposed inward flange symmetrically from foot-operated control position.Therefore, it is possible to reliably stop the generation warpage that is in operation.Additionally, there are at least two spring-latch and also provide a redundancy when a spring-latch fracture.Because will not suddenly fail, first keep when keeping function remaining at least one other spring-latch.It this application in a motor vehicle is important secure context.
According to an embodiment of the invention, described support component (or expansion member) has two parts, and the zone line of foot-operated control spring is received between said two parts.Foot-operated control spring can such as bend on U-shaped ground, and wherein, the arm of U provides two spring-latch, and the base portion of U provides zone line, and described zone line is received between two parts of support component.Therefore, foot-operated control spring can particularly simple and inexpensively manufacture and assemble.Modular structural design is also possible, wherein, can use foot-operated spring identical all the time for different support components.
According to an embodiment of the invention, at least one spring-latch on tip spoon shape away from the inwall ground of housing, such as towards the direction of central axis, namely curve inwardly.Inward flange can also have corresponding bending.Therefore advantageously achieving, be in operation the inside warpage being not result in spring end at housing.
According to an embodiment of the invention, housing has the passage that at least one is lateral, foot-operated control spring (or spring-latch of foot-operated control spring) can move in described passage, and arrange the rubbing surface being in inside on housing at passage proximate, friction element slides on described rubbing surface.Therefore, it can advantageously not only by lag function and also foot-operated control pressure spot function is integrated in a unique housing.Therefore, described layout can manufacture simply and be easily maintenance, and sensitive parts are protected against environmental effect well in one and identical housing.
According to an embodiment of the invention, inward flange is arranged on the end of at least one lateral passage, rides control spring in foot-operated control position against described inward flange.
Another aspect of the present invention relates to a kind of pedal, such as clutch pedal or accelerator pedal.Pedal includes pedal-rod and as above spring assembly hereinafter described, and described pedal-rod swingingly can support around axle, and described spring assembly is for producing the variable counteracting force being applied on pedal-rod.Described pedal can provide have lagging characteristics and/or the counteracting force of foot-operated control characteristic with method in the way of simple and with low cost.
Thus it is noted that some possible feature and advantage of the present invention illustrate about different embodiments at this.Those skilled in the art will appreciate that described feature can combine in an appropriate manner, adjusts or replace, in order to obtain other embodiments of the present invention.
Accompanying drawing explanation
Below with reference to the accompanying drawings embodiments of the present invention are described, wherein, accompanying drawing and explanation are all not designed to limitation of the present invention.
Fig. 1 illustrates the sketch of the pedal according to an embodiment of the invention.
Fig. 2 illustrates the longitudinal section of the spring assembly according to an embodiment of the invention of dissecting.
Fig. 3 illustrates the perspective view of the parts of the spring assembly coming from Fig. 2.
Fig. 4 illustrates the exploded view of the parts coming from Fig. 3.
Fig. 5 illustrates an other perspective view of the parts of the spring assembly coming from Fig. 2.
Fig. 6 illustrates the schematic partial longitudinal section figure of the spring assembly dissected according to an embodiment of the invention.
Fig. 7 illustrates the schematic partial cross section view of the spring assembly dissected according to an embodiment of the invention.
Described accompanying drawing is merely schematic and does not press actual ratio.Identical accompanying drawing labelling represents identical or phase same-action feature in the accompanying drawings.
Detailed description of the invention
Fig. 1 illustrates pedal 10, such as accelerator pedal or clutch pedal, and driver can utilize its foot to be pressed onto final position from initial position by described pedal.At this, pilot control foot support plate 12, described foot support plate can pass through pedal-rod 14 and swing around axle.At this, spring assembly 16 produces counteracting force, and described counteracting force is resisted the power of driver and attempts to make pedal 10 be returned in initial position.At this, spring assembly 16 is configured to produce variable counteracting force in entirely mechanical mode as mentioned below.
Fig. 2 illustrates the longitudinal section of spring assembly 16 of dissecting, and described spring assembly has the housing 18 of tank shape, and described housing surrounds two helical springs 20,22 being set to each other together, and described spring element is supported on the end 24 (at pot bottom) of housing 18.Internal coiling spring 20 is more longer than external spiral spring 22, and the end 24 of housing 18 has two supporting surfaces 26 for each spring 20,22 spaced apart in the axial direction for this.
Support component 28 is directed on the inwall of housing 18 on another end 30 of housing, and support component 28 is made up of expansion member 32 and friction element 34.
Friction element 34 has substantially cylindrical outer surface 36, and described outer surface slides on the inner side 38 of housing 18.Corresponding to end 24, support component 28 or friction element 34, also there is one or two supporting surface 40 being axially spaced, one in described helical spring 20,22 respectively or only helical spring 22 be supported on described supporting surface.
Be opposed to supporting surface 40, friction element 34 have favour that axial direction extends, towards the second lozenges 42 interior, annular, described second lozenges slides on the first lozenges 44 of the annular of expansion member 32.First lozenges 44 extends and towards outward to favour the identical angle of axial direction with the second lozenges 42.
Additionally, expansion member 32 includes the centring element 46 of annular, described centring element extends in the axial direction, and friction element 34 is inserted on described centring element with central opening 48.
If pedal-rod 14 is pressed onto on support component 28, then expansion member 32 and friction element 34 insert one another, and the first lozenges 44 and the second lozenges 42 slide on each other, and are pressed by friction element 34 separately by expansion member, so that the frictional force between surface 36,38 increases.If cancelling the pedal-rod 14 loading on support component 28 on the contrary, expansion member 32 and friction element 34 can slip off each other, and friction element 34 can reduce its overall diameter, thus the frictional force between surface 36,38 is reduced.In this way, the force stroke curve of spring assembly 16 obtains sluggishness.
The foot-operated control spring 50 of support component 28 carrying, described foot-operated control spring includes the leaf spring of U-shaped, and the zone line 52 of described leaf spring is received between two parts 54 of expansion member 32.Two spring-latch 56 constitute the arm of U, and described arm laterally extend in housing 56 on helical spring 20,22 side.Spring-latch 56 lays respectively in lateral slit 58 or the passage 58 of housing, and described slit or passage extend between the sluggish surface 38 of housing 18.Inward flange 60 is positioned on the end of passage 58, and in foot-operated control position, each in spring-latch 56 can be supported on described inward flange.For this, spring-latch has the end 62 of the bending of spoon shape, and described end such as curves inwardly relative to central axis.Described end can as face of touching to prevent spring-latch 56 to be in operation in the inside warpage of housing 18.Inward flange 60 is correspondingly bending.
If support component 28 is shifted onto foot-operated control in position by pedal-rod 14, spring-latch 56 is placed on inward flange 60, and spring-latch 56 additionally makes helical spring 20,22 shrink from this position, which increases the counteracting force being applied on pedal-rod 14.
Fig. 3 to 5 illustrates the other perspective view of the parts of the spring assembly coming from Fig. 2.In addition seeing in figures 4 and 5, described friction element 34 has slit 64 in radial directions, and described slit achieves and makes friction element 34 can increase and reduce its diameter.At this, edge that slit 64 extends through friction element 34 on side and the supporting surface 40 extending across on the both sides of opening 48.
Fig. 6 illustrates the schematic partial longitudinal section figure of spring assembly 16 of dissecting, and wherein, the inner surface 38 of housing has multiple region 66,68 with different interior diameters.Produce different frictional force by different diameters, utilize described frictional force can also produce the power nonlinear characteristic about pedal travel.
Fig. 7 illustrates the schematic partial cross section view of spring assembly 16 of dissecting, there it can be seen that additional material 70 can also be arranged between housing 18 and friction element 34, described material can increase the friction between housing 18 and friction element 34.Described material 70 can be fixed on housing 18 or be fixed on friction element 34.At this, described material can be such as such as based on polypropylene (PP), thermoplastic elastomer (TPE) based on ethylene propylene diene rubber (EPDM).It is particularly suitable that
Being finally pointed out that, concept " has ", " including " etc. is not excluded for other element or step, and concept " " is not excluded for multiple.Further noted that, can also use in combination with other features of other previous embodiment or step with reference to a described feature in previous embodiment or step.Accompanying drawing labelling in the claims does not regard as restriction.Particularly concept " spring element " is construed as and is equal to concept " at least one spring element ".
Claims (10)
1. a spring assembly (16), it is used for making pedal (10) return, and described spring assembly includes:
The spring element (20,22) that can shrink in the axial direction；
Housing (18), described housing is used for receiving described spring element (20,22), and described spring element is supported in described housing on one end；
Support component (28), described spring element (20,22) another end is supported on described support component, and described support component is configured to be delivered on the pedal-rod (14) of described pedal the power produced by described spring assembly (16)；
It is characterized in that,
One pedal control spring (50) laterally highlighted from described support component (28) is set, described pedal control spring is in the axial direction at described spring element (20,22) side is directed, and described foot-operated control spring is configured in foot-operated control position against the inward flange (60) of described housing (18) and is applied on described foot-driven lever (14) by additional spring force from described foot-operated control position.
2. spring assembly according to claim 1 (16), wherein, described foot-operated control spring (50) includes leaf spring, and described leaf spring has at least one spring-latch (56), described spring-latch is directed on described spring element (20,22) side.
3. spring assembly according to claim 2 (16), wherein, described leaf spring has two opposed spring-latch (56), and described spring-latch laterally highlights from described support component (28).
4. the spring assembly (16) according to Claims 2 or 3, wherein, described at least one spring-latch (56) bends away from the inner surface ground of described housing (18) on most advanced and sophisticated (62) upper spoon shape ground；Described inward flange (60) has corresponding bending.
5. according to spring assembly in any one of the preceding claims wherein (16), wherein, described support component (28) has friction element (34), described friction element is configured to when the motion in described housing (18) of described support component and produces frictional force on the inner side of described housing (18), wherein, described spring element (20 is made by described pedal-rod (14), 22) when shrinking, described friction element (34) increases its diameter, thus described frictional force is increased, and at described spring element (20, 22) during expansion, described friction element (34) reduces its diameter, thus described frictional force is reduced, so that the power being applied on described pedal-rod (14) has sluggishness.
6. according to spring assembly in any one of the preceding claims wherein (16), wherein, described support component (28) has expansion member (32), described expansion member has the first lozenges (44), described first lozenges is supported on corresponding second lozenges (42) of described friction element (34), thus when being pressed onto in described expansion member (32) by described pedal-rod (14), described expansion member (32) makes described friction element (34) be widened by described second lozenges (42) with described first lozenges (44).
7. according to spring assembly in any one of the preceding claims wherein (16), wherein, described housing (18) has at least one lateral passage (58), described foot-operated control spring (50) can be moved in described passage, and being arranged around being in the rubbing surface (38) of inside at passage (58) on described housing (18), described support component (28) slides on described rubbing surface.
8. spring assembly according to claim 7 (16), wherein, described inward flange (60) is arranged on the end of at least one lateral passage (58) described, described foot-operated control spring (50) in foot-operated control position against described inward flange.
9. according to spring assembly in any one of the preceding claims wherein (16), wherein, described support component (28) has two parts (54), and the zone line (52) of described foot-operated control spring (50) is received between said two parts.
10. a pedal (10), comprising:
Pedal-rod (14), described pedal-rod swingingly can support around axle；
Spring assembly according to any one of claim 1 to 9 (16), it is applied to the variable counteracting force on described pedal-rod (14) for generation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015200670.0A DE102015200670B3 (en) | 2015-01-16 | 2015-01-16 | Spring arrangement with hysteres and overgas feature |
| DE102015200670.0 | 2015-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105799507A true CN105799507A (en) | 2016-07-27 |
Family
ID=55135084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028257.7A Pending CN105799507A (en) | 2015-01-16 | 2016-01-15 | Spring device having characteristics of lag and pedal control |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR20160088826A (en) |
| CN (1) | CN105799507A (en) |
| DE (1) | DE102015200670B3 (en) |
| FR (1) | FR3031780B1 (en) |
| IT (1) | ITUB20169925A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10359802B2 (en) | 2016-08-22 | 2019-07-23 | Cts Corporation | Variable force electronic vehicle clutch pedal |
| DE102021203133A1 (en) * | 2021-03-26 | 2022-09-29 | Continental Teves Ag & Co. Ohg | Braking device with a simulator unit |
| US11953932B2 (en) | 2022-02-14 | 2024-04-09 | KSR IP Holdings, LLC | Pedal assembly having force sensing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19918119A1 (en) * | 1999-04-22 | 2000-10-26 | Bosch Gmbh Robert | Pedal value generator for generation of an electronic signal when the accelerator pedal of a motor vehicle is pressed down past a certain point in a kick-down type engine power control mechanism especially for automatics |
| DE10010432A1 (en) * | 2000-03-03 | 2001-09-06 | Bosch Gmbh Robert | Kick-down element for an accelerator pedal module of a motor vehicle |
| DE10335598A1 (en) * | 2003-08-04 | 2005-02-24 | Robert Bosch Gmbh | Pedal device for motor vehicles |
| DE102004002113A1 (en) * | 2004-01-14 | 2005-08-11 | Ab Elektronik Gmbh | Kick-down element for vehicle with automatic transmission unit, comprising vertical positioned leaf spring |
| CN101242969A (en) * | 2005-08-17 | 2008-08-13 | 罗伯特·博世有限公司 | Kick-down device of an accelerator pedal module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3412318A1 (en) * | 1984-04-03 | 1985-10-10 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Reference element of a device for adjusting the speed of travel of a vehicle |
| DE4203367C2 (en) * | 1992-02-06 | 2000-10-05 | Hella Kg Hueck & Co | Setpoint generator of a device for setting the driving speed of a vehicle |
| DE102010027924B4 (en) * | 2010-04-19 | 2017-07-27 | Ab Elektronik Gmbh | accelerator |
-
2015
- 2015-01-16 DE DE102015200670.0A patent/DE102015200670B3/en not_active Expired - Fee Related
-
2016
- 2016-01-12 IT ITUB2016A009925A patent/ITUB20169925A1/en unknown
- 2016-01-14 FR FR1650289A patent/FR3031780B1/en not_active Expired - Fee Related
- 2016-01-15 KR KR1020160005203A patent/KR20160088826A/en unknown
- 2016-01-15 CN CN201610028257.7A patent/CN105799507A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19918119A1 (en) * | 1999-04-22 | 2000-10-26 | Bosch Gmbh Robert | Pedal value generator for generation of an electronic signal when the accelerator pedal of a motor vehicle is pressed down past a certain point in a kick-down type engine power control mechanism especially for automatics |
| DE10010432A1 (en) * | 2000-03-03 | 2001-09-06 | Bosch Gmbh Robert | Kick-down element for an accelerator pedal module of a motor vehicle |
| DE10335598A1 (en) * | 2003-08-04 | 2005-02-24 | Robert Bosch Gmbh | Pedal device for motor vehicles |
| DE102004002113A1 (en) * | 2004-01-14 | 2005-08-11 | Ab Elektronik Gmbh | Kick-down element for vehicle with automatic transmission unit, comprising vertical positioned leaf spring |
| CN101242969A (en) * | 2005-08-17 | 2008-08-13 | 罗伯特·博世有限公司 | Kick-down device of an accelerator pedal module |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015200670B3 (en) | 2016-02-11 |
| ITUB20169925A1 (en) | 2017-07-12 |
| FR3031780B1 (en) | 2019-03-22 |
| FR3031780A1 (en) | 2016-07-22 |
| KR20160088826A (en) | 2016-07-26 |
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Application publication date: 20160727 |