EP2118415A1 - Türfestseller - Google Patents
TürfestsellerInfo
- Publication number
- EP2118415A1 EP2118415A1 EP08706850A EP08706850A EP2118415A1 EP 2118415 A1 EP2118415 A1 EP 2118415A1 EP 08706850 A EP08706850 A EP 08706850A EP 08706850 A EP08706850 A EP 08706850A EP 2118415 A1 EP2118415 A1 EP 2118415A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- support rod
- spring
- housing
- check according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
- E05F5/022—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks
- E05F5/025—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks specially adapted for vehicle doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/203—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles
Definitions
- the invention relates to a door lock according to the preamble of
- Claim 1 comprising a housing attachable to a door and a door frame, a holding rod passing through an opening in the housing, pivotally attachable to the other door and door frame, and at least one braking member cooperating with a flat side of the support rod disposed in the housing wherein the flat side and the brake member are biased towards each other at least in areas of the extension of the support rod, wherein depending on the local surface condition of the flat side and the brake member acting at least in one of the directions of movement of the support rod holding force can be generated.
- DE 100 25 185 A1 or WO 01 90 518 A1 shows a door arrester, in which a holding rod is displaceably arranged in an opening of a housing.
- two locking members are provided, which are axially displaceable in the housing and are biased in the direction of the flat side of the support rod by means of a compression spring.
- the brake members are formed as a hollow cylinder, wherein the compression spring are partially disposed within the locking members.
- the housing has a cavity in which the latching members are arranged, wherein a diameter of the latching members is adapted to the cavity.
- a disadvantage of this type of door keepers is that the engagement of the locking tabs are spherical, so that the arranged on the support rod latching marks must be relatively large, so that only a limited number of locking positions are possible and outside the locking marks the holding force is limited.
- FR 2 666 616 A1 shows a door arrester for a motor vehicle, which comprises a housing, wherein the housing has a first housing half and a second housing half.
- the two housing halves define one Opening, wherein the first housing half and the second housing half each define only a portion of the circumference of the opening.
- the opening is penetrated by a holding rod pivotally arranged on a door arrangement part, wherein the support bar is formed from two metallic elastic blades, which are connected together at their outer ends, and which form a cavity for the holding bar in a central area.
- each of the two housing halves two cylindrical recesses are formed, in which two guide rollers are mounted only rotatably, wherein the guide rollers are arranged in the cavity of the support rod, and in each case one of the guide rollers, each with a flat side of one of the two blades in contact.
- two further, exclusively rotatable guide rollers are provided, which are aligned perpendicular to the guide rollers, and which are in contact with thin outer flat sides of the two blades.
- the two blades have a wave-shaped profile which is symmetrical with respect to an extension axis, wherein the axis is at the same time the axis of symmetry of the housing.
- the two guide rollers can be fixed and define preferred locking positions of the arrester.
- a disadvantage of this type of door arresters is the fact that the support bar consists of two cavities forming a cavity, whereby a slight deformability, given by, for example, frequent use of the door, the support rod. Upon deformation of one of the two blades, or both, the wave profile is deformed asymmetrically and the defined holding positions are moved or disappear, so that a determination of the door is no longer safe or no longer possible.
- Another disadvantage is that the guide rollers both the locking and guiding the
- US 5,173,991 A shows a door arrester comprising a housing and a lid covering the housing.
- the housing and the cover each have an opening which are aligned in alignment with each other.
- the housing and the cover are fastened by means of two screws on the door or the door frame.
- the two openings are by a handrail interspersed, which has an upper and a lower flat side, wherein each of the two flat sides has a groove in the direction of the extension of the support rod.
- recesses are provided, in each of which a locking member can be fixed.
- Each of the two latching members comprises a ball, which is in contact with the groove of the support rod and a biased by a spring element in the direction of the support rod plastic element in which on the side facing away from the spring element, the ball is mounted.
- the holding rod is guided through the housing, and the balls of the two locking members are taken in the groove, wherein the recesses of the groove represent locking positions for the movement of the door.
- the door lock according to the invention which is expediently a door lock for a motor vehicle door, achieved a stepless detection of a motor vehicle door, even without exactly fixed locking position, however, with preferred locking areas, the holding force is sufficient to prevent unintentional pivoting of the vehicle door.
- at least one of loading and local surface condition of the support rod is changed over the course of the support rod to adjust the resulting local holding torque accordingly.
- the surface finish includes, for example, the friction coefficient or roughness of the support bar, as well as other microstructural properties and material properties.
- the loading and the local nature are selected so that several areas of approximately the same holding force adjust, so that there is a comfortable step-like rising holding force profile when opening the door for the user. Even more complicated courses of holding forces can be achieved by appropriate combination of support rod and brake member.
- both parameters can also be set simultaneously depending on the opening angle of the support rod or the distance traveled by the support rod in the housing so that's out of it resulting holding forces over the extension of the support rod can also assume a non-steady course.
- the flat side facing the brake member of the holding rod is substantially flat, that is, there are no elevations or depressions provided, the preferred opening angle of the door by locking the brake member in corresponding fixed positions.
- the locking positions which are required in conventional designs to keep open an open door against the onslaught of wind or tilted vehicles can be achieved preferably without stops and in any opening angles. For a user, this results in the advantage that the vehicle door is found to be open at an adjacent angle to a locking position, which is always only a labile holding position with a tendency to shift to the stable locking position in a latching arrangement.
- the flat side may also have a slight inclination, curvature or bevel, but nevertheless makes it possible to preferably reach the entire surface with the corresponding brake member in abutment.
- the flat side of the support rod on several sections with different coefficients of friction ⁇ are advantageously created, which are adjustable by the selection of the friction coefficient of the corresponding section.
- the sections of different coefficients of friction ⁇ are produced independently of each other and connected together in a connecting step, so that the support rod is then composed of different segments.
- the surface of the Retaining rod substantially flat has at least no depressions, which provide a detent of the brake member.
- the joining can be achieved in various ways, preferably by gluing, joining, welding, friction stir welding, stitching or the like, but also by a positive engagement of the corresponding parts and a subsequent wrapping in the area of that surface which does not engage with the brake member.
- the holding bar is first produced in one piece, for example by sintering or coating a metal part, or subsequently surface-treated in sections in different ways, such that the roughness of the resulting sections is such different are that a different coefficient of friction ⁇ is achieved.
- surface treatment in particular known grinding and polishing methods come into consideration, with which the roughness of the corresponding surface portion and thus the friction coefficient ⁇ is reduced; but it is also possible by sandblasting or other Aufrauh compiler selectively produce sections with a higher roughness and thus a larger coefficient of friction ⁇ ; In particular, the said methods can be used to increase and decrease the coefficients of friction ⁇ on the same support rod.
- An alternative method of surface finish is to laser surface treatment, which may result in a change in roughness of certain ceramics and metals.
- An advantage of this method is also that the reflectivity of the differently machined surfaces differs and thus in a simple way optical control of the properties and the quality is made possible without having to perform measurements of the roughness or the coefficient of friction ⁇ every time.
- a brake pad is fixed to at least one of the sides of the support rod, preferably a broad side of the support rod. This can be done by gluing or riveting, but preferably the brake pad is firmly bonded to the support rod, for example, by injection in a plastic injection molded part or baked by sintering. Alternatively, it is also possible to attach a corresponding brake pad by Verklipsen, screws or other known connection means on the support rod, wherein it should be ensured that the connecting means as possible do not affect the displacement movement of the support rod.
- Such a brake pad may be, for example, of the type or nature, are formed from the brake pads for wheel brakes of motor vehicles, and in particular as a powder metallurgical molded part made of ceramic, hard metal, petroleum coke, metal chips or combinations thereof, wherein expediently a binder on resin, synthetic resin - or rubber base is added.
- a binder on resin, synthetic resin - or rubber base is added.
- the lubricity can be improved at least to the extent that an undesirable noise is reduced or prevented.
- the surface of the brake pad is suitably processed prior to installation, for example, trained, or otherwise ensured that adjust in operation roughness and the associated friction coefficient ⁇ ,
- a plurality of adjacent tracks of friction linings over the length of the support rod, at least partially, are arranged, wherein the brake pad with the corresponding surface area in each case with only one Type of friction lining comes into contact and thus a distribution is largely prevented.
- the corresponding holding force is then composed of the holding forces of the individual areas, with a temporary Omitting at least one friction lining section where it is not needed, is possible.
- the flat side of the support bar regardless of the material of which it is made, conveniently has coefficients of friction ⁇ between 0.025 and 0.5, preferably between 0.04 and 0.45, and most preferably different discrete values within this range, such as 0.05; 0.11; 0.14; 0.18; 0.22; 0.27; 0.32; 0.36; 0.40 on. If a support rod with a flat side selected from a single brake pad, so its coefficient of friction ⁇ is between 0.14 and 0.2.
- the support rod with a metal core and a plastic sheath, wherein the plastic is then selected such that it reaches said coefficients of friction ⁇ . Since increased roughness increases the susceptibility to wear of plastic, it is preferably provided, however, that the holding rod is made as a sintered part, this being achieved either by producing the holding rod as a whole from sintered material or by sintering a coating on a metal or ceramic core. In this case, it is preferably provided that the sintered material is formed in sections with different surfaces in order to set regions of different friction coefficients ⁇ as the abovementioned.
- a core of preferably metal or ceramic can be introduced into a mold in which various sections of the core are surrounded by the powdery sintered material and pre-compressed, in order subsequently to be materially connected to one another by sintering.
- a core of ceramic material has the advantage that a particularly good adhesion is achieved by the material-related similar properties such as thermal conductivity and thermal expansion. If a metal core is provided, it is expediently designed with openings or recesses which, in addition to the adhering casing made of sintered material, also enable a clamping and thus a positive engagement.
- Advantage in providing a Metal core is the easier forming an eye for later hinging the support rod.
- a first section may consist of the pure sintered material, for example Si 3 N 4 (silicon nitride), a second section of a sintered material mixed with a first doping additive such as TiC (titanium carbide) or ZrO 2 (zirconium oxide) in low concentration third section of the sintered material with an additive in higher concentration or with another additive such as WC (tungsten carbide).
- a first doping additive such as TiC (titanium carbide) or ZrO 2 (zirconium oxide) in low concentration
- WC tungsten carbide
- the sintered material is selected from the group comprising carbides, nitrides, oxides, borides of metals and mixtures thereof and / or compounds. These are characterized by high wear resistance and at the same time process controllability during production.
- the sintered material comprises at least one of tungsten carbide, silicon carbide, titanium oxide, titanium boride, silicon nitride as the base material and other dopants.
- tungsten carbide silicon carbide, titanium oxide, titanium boride, silicon nitride
- carbide titanium oxide
- titanium boride silicon nitride
- Metal component is basically any metal into consideration, preferably silicon, titanium, zirconium, aluminum, tungsten, iron, vanadium, iron.
- support rod consists of gray cast iron or steel, for example St60, as it is also used for brake discs, which has sufficient roughness to achieve high holding forces.
- an enclosure for the support bar which protects the surface of the support bar from the precipitation of liquids and other contaminants.
- sand or other impurities increase the set holding forces, or that liquid such as water or grease, even in the form of fog, reduce the set holding forces.
- means for absorbing moisture for example silica gel, to be arranged in the encapsulation.
- the enclosure is suitably designed as a collapsible cover in the manner of a bellows, as it is used for cable penetrations in vehicle doors and thus allows a nearly complete isolation of the support rod from the environment.
- plastic lips in the region of the opening of the housing, which strip the surface of the support rod when passing through the housing and thus keep free of liquid or solid contaminants. Particularly effective, however, this cleaning is achieved by the braking member which has tapered edges in the direction of movement of the support rod, which cause contaminants are discharged laterally.
- the support rod is made of plastic material, in particular by injection molding of a polyamide containing, for example, a metal core.
- a brake pad can be connected to the plastic material in a simple manner.
- the choice of plastic material allows for easy shaping.
- a support rod made of plastic allows the configuration of the opposite side as a guide track for a detent, in particular a biased locking member, in which case the friction coefficient of the plastic material of the corresponding
- Guideway and the locking member are significantly less than that provided on the other side of the support rod pairing flat side / brake member, so that the locking member can also follow locking recesses or locking marks of the guideway without problems.
- the housing is expediently made of an aluminum profile, which forms a favorable combination of materials, in particular with ceramics.
- the brake member is expediently axially displaceable and acted upon by a spring member which presses against the surface of the support rod.
- the brake member requires only a small stroke.
- the brake member may have a low height, as well as the braking member acting on the spring member. This results in a total low height of the housing.
- a housing made of aluminum in this case has the advantage of a high torsional stiffness even with a strong spring member, which makes it possible to use the bias of the spring member as a whole on the support rod and thus to generate the holding force. It is alternatively possible to provide a plastic housing, in which case the relaxation of the plastic housing under the bias of the spring member is to be considered in the interpretation of the holding force.
- the brake member on one of the flat side of the support rod facing flattened end face passes through a large surface in contact with the flat side of the support rod and thus generates the holding force.
- the size of the surface is selected depending on the nature of the flat side of the support bar and the desired holding force.
- the flattened end face in this case expediently has a circular contour, which the brake member insensitive to misaligned or makes the same and reaches as uniform as possible loading of the entire surface by the spring member.
- the end face may also have a rectangular shape, preferably square, in the form of which an orientation with the corners in the direction of movement of the holding bar has proved to be advantageous in order to avoid tilting in the event of sudden load changes.
- the back of the brake member expediently has a central recess into which one end of the spring member can be inserted, whereby the bias of the spring member is transmitted favorably to the entire brake member.
- a lateral surface of the brake member in the direction of the support rod removing at least partially widened Kunun, since the guide recess for the brake member in the plastic housing part injection molding is thereby particularly favorable to produce.
- the guide recess is preferably cylindrical, so that the brake member has a substantially cylindrical lateral surface.
- the spring member can be useful as a coil spring or as
- Be formed plate spring is in particular a comparatively weak spring characteristic, which makes the door arrester insensitive to wear.
- Advantage of the plate spring is the ability to set a particularly high bias at relatively low height of the plate spring package.
- any other type of loading of the brake member, in particular at its end opposite the end into consideration, for example, by a leaf spring or by an elastomeric material or by a hydraulic force.
- the support rod expediently has a curvature in the direction of its narrow side, whose radius corresponds to the distance to a pivot axis of a motor vehicle door.
- the opening it is possible for the opening to be extended Infeed, which allows the support rod to perform a pivoting movement relative to the housing.
- the holding rod one end of which has a bearing eye and whose other end expediently has an end stop, has at least one latching recess on the side opposite the flat side.
- the braking member is expediently a sintered part whose sintered material consists of the materials mentioned for the flat side of the holding rod.
- the same material as for the support rod may be provided, but preferably a material pairing is selected in which the material of the brake member is different from that of the surface of the support rod.
- the brake member may also be formed as a plastic part produced by injection molding, which is particularly cost-effective, since the geometry of the brake member is difficult to achieve as a sintered part.
- the ceramic brake element benefits from the fact that ceramics are generally substantially more pressure-resistant than tensile-resistant, so that the brake member prestressed in the pressure direction has a high life expectancy.
- the lateral surface of the brake member made of ceramic is in this case not elongated, but has only a short projection on the back of the end face.
- two brake members are biased symmetrically with respect to the opening in the housing in the direction of the support rod, and the support rod has two flat sides, so that the holding forces according to the invention are achieved on both sides of the support rod.
- the braking member is in the direction of the support rod not displaceable sliding member formed, wherein the sliding member abuts against the flat side of the support rod and thus forms a friction pair. Due to the fixed arrangement in the housing, the sliding member is not susceptible to tilting, and correspondingly simpler is the interpretation of the Matfeststellsystems. To avoid damage to the flat side or the brake pad, the edge of the
- Sliding member expediently rounded, wherein the effective surfaces of the sliding member preferably have a roughness Rz between 1 and 2 in the case of a stainless steel, so that the resulting friction coefficient of the sliding member with the flat side of the support rod gives favorable holding forces.
- the sliding member is preferably cylindrical, so that it can be accommodated in a same housing part as a brake member and caulked there. In this case, the end face of the cylinder is the effective area of the brake member. It is understood that it is also possible to bias such a sliding member in the direction of the support rod, for example by a plate spring or a Vorspannkissen
- the application of the friction combination flat side or brake pad on the one hand and braking member or sliding member on the other hand by a biased toward the support rod spring member which preferably acts on an element which cooperates with the support rod on a side facing away from the sliding member of the support rod.
- the element is expediently a latching element which cooperates with a corresponding guide track made of the plastic material of the support rod and can also define preferred latching positions therewith.
- the spring member is relaxed, and thus also changes the holding force, since the bias of the friction partners on the one hand and the friction coefficients together define the holding force. It is understood that instead of the locking member and the braking member may be biased, or even both, in which case the spring forces add up.
- the base spring load, with the the support rod is biased against the brake member be chosen as output bias smaller; As a result, percentage changes greater by a corresponding profile of the support rod or locking recesses or recesses are possible, so that it is easier to vary the course of the holding force characteristic.
- the spring force is adjustable in dependence on the position of the support rod.
- a particularly simple and efficient way to achieve this is that the flat side of the support rod has a steadily increasing pitch, whereby the spring member acting on the brake member is compressed accordingly and leads to a stronger impact.
- the spring member has a steep spring characteristic, which is avoided in locking systems, so that small changes in thickness, that is the extension of the spring member in the direction of the loading by the brake member leads to noticeable increased holding forces.
- the spring member is designed such that it has a variable spring force in dependence on the local position of the support rod in the housing and thus allows a variable holding force.
- the control of the local position of the support rod in the housing for example, by an incremental measuring system, which detects marks on a preferably not acted upon by the braking member body of the support rod, may be provided, alternatively, the control of
- Braking be scanned via a marker, for example, on the narrow side of the support rod. So it is possible, via a feeler finger, which scans the narrow side of the support rod or in a Nutausströmung the Guide rod is guided to twist the spring acting on the brake member or to adjust the abutment, with the result of a changing spring force over the way of the support rod.
- the finger scanning the contour influences the orientation of the brake member transversely to the direction of movement of the support rod via a lip and thus reduces the component acting in the direction of the flat side of the support rod.
- the brake member may be pivotally mounted in the housing transversely to the direction of movement of the support rod, and depending on the inclination to the normal, the effective normal component of the spring force is adjusted.
- a spring unit which acts in the direction of the support rod is arranged such that changes their admission of the support rod with the displacement of the support rod.
- This can be achieved in a particularly simple manner by arranging the spring unit between the housing and the retaining rod, and optionally designed as a compression or tension spring in order to assist the movement of the retaining rod in the opening or in the closing direction.
- This results for the holding force a resultant force from acting in the direction of the support rod holding force from the friction between the brake member and the surface of the support rod on the one hand and the application of the spring unit on the other hand, even with a continuous smooth flat side of the support rod to an increasing holding force over the extension the handrail leads.
- the spring unit is preferably arranged between the abutment end of the support rod and the housing, where it is not visible. But it is also possible to provide the spring unit between the articulation of the support rod and the housing, in this case the adjacent to the housing door assembly part, especially when an encapsulation is to be provided, which hides the spring unit advantageous.
- Particularly advantageous is the embodiment of the encapsulation itself as a spring unit, in which namely the Spring unit is embedded in an encapsulation causing jacket and there generates a voltage acting in the direction of the support rod.
- a door lock according to the invention is further characterized in that the bias is generated by an element disposed opposite the brake member, which is acted upon by a spring member, wherein the holding force generated by the flat side and the brake member, the holding force generated by the element and the support rod by at least half exceeds.
- the difference between the generated holding forces is increased even by a factor of 2, particularly preferably by a factor of 2.5 to 20.
- the element may be formed as a guide member which is displaced on a corresponding guide rail of the support rod and clamps the spring member accordingly. Through the guideway of the support rod is thus directly the spring force of the
- the element can be designed as a latching member which also defines conventional latching holding positions in a guideway of the holding rod provided with a latching recess.
- a door arrester is thus created, in which the holding force applied by a spring is introduced predominantly via the holding rod itself in order to achieve the holding force.
- a spring with less spring force can be selected for the achievement of holding moments, whereby the wear of the guideway is reduced and the possibility is created to switch to less expensive plastics.
- Fig. 1 shows a first preferred embodiment of a door arrester according to the invention with several sections of the flat side of the surface.
- Fig. 2 shows a second preferred embodiment of a door arrester according to the invention with adjustable
- FIG. 3 shows a third preferred embodiment of a door arrester according to the invention.
- 4 a-d show alternative embodiments of handrails for the door arrester of FIG. 3.
- Fig. 1 shows a partially sectioned view of a first embodiment of a door arrester according to the invention, which is generally designated by the reference numeral 10.
- the door lock 10 comprises a support rod 11 and a housing 12.
- the housing 12 is fixed by screws 13 to a direction indicated by the dotted line 14
- the support rod 11 is pivotally received with a bearing eye 11a in a bearing block 2a, which on the dash-dotted lines indicated door 2 is attached.
- At the bearing eye 11 a opposite end of the bearing rod 11 has an end stop 11 b, which abuts against stop buffer 12 a of the housing 12.
- the housing 12 is made of a profile section made of aluminum, which has a central opening 14 for the passage of the support rod 11.
- two brake members 15 Arranged transversely to the opening 14, in a central, cylindrical chamber 12b of the housing 12, are two brake members 15, of which the upper is shown in a sectional view in FIG. 1 and the lower only substantially the end face 15a can be seen.
- an abutment 12c is arranged, against which a spring member 16 is supported at a first end, while the second end of the spring member 16 is supported against the back to the support rod facing end face 15a of the spring member.
- the spring member 16 is, as seen in Fig. 1, formed as a helical spring.
- Corresponding mirror image is the arrangement of the lower brake member 15 with the spring member 16 arranged therein.
- the support rod 11 is formed as a sintered part of a SiC-base ceramic, and has a designated 20, the end face 15 a of the braking member facing flat side respectively top and bottom and between the flat sides 20 narrow sides 21.
- the flat side 20 has three sections 20a, 20b and 20c of different surface finish;
- the section 20a defines an idling area just before closing the door;
- section 20b defines a lead-in area corresponding to a pre-lock;
- the portion 20c corresponds to an end portion just before the maximum opening angle of the door.
- the coefficient of friction ⁇ is about 0.05 in section 20a, about 0.22 in section 20b and about 0.40 in section 20c.
- the spring force F is constant and set at about 1,875 N.
- both flat sides 20 are each formed opposite one another with the same surface finish, but it is possible to design only one side accordingly.
- the movement moment M is the moment which, starting from a holding force, which results from the coefficient of friction ⁇ and the spring force F, together with the available lever arm is generated to move the support rod 11 and thus the door.
- the movement moment M is an opening or closing moment.
- the sections 20a, 20b and 20c are made with a surface of sintered material, mainly silicon carbide (SiC), wherein the surfaces of the regions 20b and 20a have lower coefficients of friction ⁇ by finishing.
- SiC silicon carbide
- the three sections 20a, 20b and 20c of the support rod 11 are formed with the same coefficient of friction ⁇ of about 0.40.
- the support rod 11 here on a metal core, on which in the region of the flat side 20 a hard material coating of a SiC-Si 3 N 4 mixture powder metallurgy was applied by sintering.
- the brake members 15 are powder metallurgically made of 99.9% SJsN 4 .
- the spring force F which is indicated by an arrow, is variable and amounts to approximately 125 N in the region of the portion 20a, approximately 1050 N in the region of the portion 20b and approximately 1875 in the region of the portion 20c
- moments of motion M in section 20a of about 3 Nm
- in section 20b of about 25 Nm
- in section 20c of about 45 Nm. It can be seen that the resulting holding forces and moments of motion essentially correspond to those of the exemplary embodiment according to FIG. It is therefore possible to set a desired holding force by setting different parameters.
- the change in the spring force F takes place in the present embodiment by a controller 30 which biases by adjusting the abutment 12c biased in the channel 12b spring member 16 stronger or weaker and thus adjusts the force F.
- the controller 30 can achieve the adjustment of the spring force in various ways, expediently the opening angle of the door is detected for this purpose to assign the respectively correct spring force to the section 20a, 20b and 20c.
- a spring unit 40 is shown in Fig. 2, which is inserted between the housing 12, here the area which faces away from the door frame 1, and the support rod 11, here the stop end 11 b. The spring unit 40 is compressed when the door is opened and pulled apart when the door is closed.
- the spring as a compression or tension spring can thus be provided in the case of the compression spring support when closing the door, in the case of the tension spring assistance in opening the door, wherein the force generated by the spring unit 40 in the door lock 10 ' is introduced, superimposed on the holding force and thereby causes a change in the characteristic of the resulting entire holding force. It is also possible to provide the change of the resulting holding force only via the spring unit 40. As an alternative to the arrangement of the spring unit 40 shown in FIG. 2, it can also be arranged between other parts of the relatively pivotable housing 12 and holding rod 11.
- Fig. 3 shows schematically a further embodiment of a door arrester 10 ", in which the same reference numerals as in Fig. 1 or 2 denote the same or structurally comparable parts, so that here is only to consider the differences.
- the door arrester 10 "from FIG. 3 has a housing 12 which is penetrated by a holding rod 11".
- the support rod 11 has in the illustrated embodiment, no end stop, but a pointed end 11 c, which makes it possible to insert the support rod 11" in already mounted housing 12 in the frontal opening 14. This facilitates a later replacement.
- Supporting rod 11 formed as a plastic injection molded part made of polyamide, wherein a metal core is provided to increase the stability.
- the upper broad side 200 has a smooth surface similar to a polished surface Surface profile on, as it is known from conventional support rods for door fixed part of plastic, and defines a guideway 200.
- the flat side forming a lower broad side 20 ' is formed by an embedded in the plastic material friction or brake lining, in the present case over the entire length extends over the extension a constant high coefficient of friction ⁇ between 0.14 and 0.2.
- a brake pad 20 ' a commercially available brake pad, as used for example for motor vehicle brakes, are used, as often as sintered parts Carbide, ceramic or a combination of powdered petroleum coke, metal and a resin or rubber binder.Thereby, to avoid noise, organic substances or plastics are added as additives and fillers, which improve the lubricity in terms of noise Finally, the friction lining in the plastic material in the encapsulation of the support rod 11 "embedded, but it is also possible to glue the brake pad after the preparation of the support rod, riveted or otherwise applied to the corresponding surface of the support rod. In particular, it is possible to attach the brake pad 20 'by clipping, so that an exchange is possible, whereby the wear of such a brake pad is usually negligible by the door opening movement.
- the brake pad 20 ' is artificially aged prior to installation in the door lock 10 ", but expediently even before attachment to the support rod 11" to a change of
- the biased by the spring member 16 element 15 ' is not a brake member, but a locking member.
- This is presently configured similar to the brake members 15 of the two preceding embodiments, but is not provided with a friction surface, but serves to guide the support rod 11 "and Also ramps in the guideway 200, as required for latching intervention, can be easily overcome.
- a locking mark or recess 120 is provided near the maximum door opening angle. But it can also be provided a plurality of recesses.
- a braking element 115 designed as a sliding element is caulked in the corresponding chamber 12b of the housing 12.
- the sliding element 115 consists of stainless steel, such as Nirosta, and has a roughness Rz between 1 and 2. This roughness can be achieved, for example, by sanding with appropriate grain or sandblasting
- the sliding member 115 is formed as a cylindrical body immovably fixed in the chamber 12b wherein the end face facing the support rod 11 "is substantially in contact with the friction lining 20 '.
- the lower side of the support rod 11 '' with the friction lining 20 ' is essentially flat, so that the front side of the sliding member 115 and the friction lining 20' are in contact with each other over the entire surface, but it is possible to have slopes in the side of the retaining rod 11 '' and in the brake pad 20 ', wherein the
- Radius is to be adapted substantially to the surface of the sliding member 115 and no depressions are provided to maintain the braking torque.
- the upper side 20 of the holding rod 11 "runs relatively flat in the closed region of the door located near the bearing eye 11a, so that the spring member 16 is either relaxed or stretched only a small distance , And close to the maximum opening position of the door, a locking recess 120, in which the spring 16 of the locking member 15 'relaxes a piece.
- the coefficient of friction of the guideway 200 of the support rod 11 " is significantly less than that of the brake pad 20 ', at least one third, but usually even by a factor of 1 to 2, in special cases by a factor of 10 If, for example, the guideway 200 has been lubricated, the roughness of the end face 15a 'of the locking member 15 is correspondingly lower than that of the sliding member 115, so that the sliding pair of the top of the support rod negligible, but at least less significant compared to the sliding pair of the bottom of the support rod
- the spring force of the spring 16 acts on the body of the support rod 11 "and the pairing brake pad 20 '/ slider 115, the effective braking torque of the door arrester 10" influenced, ie the adjustment of the spring force via the profile of the upper Side of the handrail 11 ", while the braking torque from the lower side of the holding rod 11 "is generated.
- the holding torque is lower because of the reduced spring force
- the coefficient of friction ⁇ of the brake pad 20 ' is between 0.14 and 0.2, with pads usable whose friction coefficient ⁇ is between 0.12 and 0.3 and above;
- the roughness Rz of the brake pad is between 12 and 30. Since the brake pad rubs dry, these are also the effective values for the holding torque.
- the coefficient of friction ⁇ 'of the dry guide track 200 of polyamide is only between 0.08 and 0.14, and the roughness R z ' of the guide track 200 is between 0.5 and 5.
- the holding torque is thereby further reduced, that lubrication with oil or grease takes place in the region of the guide track 200. But even in the dry friction coefficient there is a difference in the value ranges of about a factor of 2 or more.
- FIGS. 4a to 4d show further embodiments of support rods 11 ", all of which have a brake pad 20 'on the underside, while the upper side 200 of the support rod 11" essentially acts as a guide track is trained.
- the underside of the support rod 11 ", which carries the brake pad 20" is provided with a not necessarily rectilinear slope, ultimately the changes in thickness of the support rod 11 "together with the selection of the spring member 16, the effective holding torque
- the provision of a brake pad and a sliding member which together induce a high braking torque allows the incorporation of a spring member having a lower spring constant
- Door arresters is the case, because the course of the guideway 200 influences the bias of the spring member 16 and thus the effective between the brake pad 20 "and slide member 115.
- the profile profile of the guideway 200 thus serves to adjust the local loading along the extension of the support rod 11".
- the proposed arrangement provides the possibility to adapt holding rods by appropriate selection of the friction coefficient of the brake pad and adjustment of the profile profile for the brake member to individual customer needs, so that the customer can choose from a plurality of possible braking torque curves and preferred opening angles preferred by him and in this case only the support rod must be replaced.
- the invention has been explained above with reference to several preferred embodiments. It is understood that the features shown in the two embodiments can also be combined to produce resultant holding forces. Thus, with a less variable spring force and less strongly deviating coefficients of friction, it is still possible to achieve a characteristic of the holding sections which is favorable for a door lock.
- the invention has been explained above with reference to embodiments in which the edges of the brake pad or the surfaces of the support rod with an increased coefficient of friction are substantially parallel to the lateral boundary of the support rod. However, it is possible to vary the width of the brake pad over the course of the support rod, and thereby vary the resulting holding torque locally as planned.
- the brake lining with a texture that increases or decreases the coefficient of friction depending on the orientation of this texture as a function of the direction of movement of this holding bar. This makes it possible to form the braking torque in the opening direction higher than in the closing direction.
- the support rod also have a triangular cross-sectional profile, for example, an equilateral triangle which is on a tip, wherein the side of the support rod formed by the upper edge of the support rod is acted upon by a guide member, while the other two edges cooperate with brake members , which are expediently arranged on a housing, but can also be provided directly on the interspersed by the support rod vehicle part.
- the flat side is not necessarily in a straight line in cross section, but also from several levels, for example in the form of a V, W, or other Profiles may be formed, wherein the flat side may be interrupted within this profile.
- All door retainers according to the invention shown in the exemplary embodiments are motor vehicle door stops which are intended for a side door of a motor vehicle and are therefore industrially applicable as door retainers for a motor vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Steps, Ramps, And Handrails (AREA)
- Hinges (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007005947 | 2007-02-01 | ||
DE102007023110A DE102007023110A1 (de) | 2007-02-01 | 2007-05-16 | Türfeststeller |
PCT/DE2008/000185 WO2008092441A1 (de) | 2007-02-01 | 2008-02-01 | Türfestseller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2118415A1 true EP2118415A1 (de) | 2009-11-18 |
EP2118415B1 EP2118415B1 (de) | 2012-04-04 |
Family
ID=39587425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP08706850A Active EP2118415B1 (de) | 2007-02-01 | 2008-02-01 | Türfestseller |
Country Status (6)
Country | Link |
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US (2) | US20100154163A1 (de) |
EP (1) | EP2118415B1 (de) |
CN (1) | CN101652526B (de) |
AT (1) | ATE552399T1 (de) |
DE (2) | DE102007023110A1 (de) |
WO (1) | WO2008092441A1 (de) |
Families Citing this family (29)
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DE102007023110A1 (de) * | 2007-02-01 | 2008-08-07 | Edscha Ag | Türfeststeller |
US8809346B2 (en) | 2008-05-30 | 2014-08-19 | Universite De Versailles-Saint-Quentin-En-Yvelines | ANT-ligands molecules and biological applications |
ES2396636B1 (es) * | 2010-01-22 | 2014-01-07 | Flexngate Automotive Ibérica S.A. | Dispositivo retenedor de puerta. |
DE102010009141A1 (de) * | 2010-02-24 | 2011-08-25 | Kiekert AG, 42579 | Kraftfahrzeugschloss mit geräuscharmem Schlossbügel |
CN101881115B (zh) * | 2010-05-18 | 2013-02-27 | 苏忆 | 转门用阻尼定位器 |
DE102010026190A1 (de) * | 2010-07-06 | 2012-01-12 | Klaus ACKERMANN | Türüberlastschutzvorrichtung |
US20120324795A1 (en) * | 2011-06-23 | 2012-12-27 | GM Global Technology Operations LLC | Hinge assembly having an up stop damping mechanism for rotatably supporting a decklid of a vehicle |
US9068388B2 (en) * | 2013-04-30 | 2015-06-30 | GM Global Technology Operations LLC | Strain distribution check link assembly |
DE102013210442A1 (de) * | 2013-06-05 | 2014-12-11 | Ford Global Technologies, Llc | Türfeststeller für Fahrzeugtüren von Kraftfahrzeugen |
DE102014108023A1 (de) * | 2014-06-06 | 2015-12-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Türfeststeller |
EP3038164B1 (de) | 2014-12-22 | 2018-12-12 | Total S.A. | Optoelektronische Vorrichtung mit strukturierter Oberfläche und Verfahren zu deren Herstellung |
CN104596292B (zh) * | 2015-01-10 | 2016-09-21 | 长兴鑫宇耐火材料有限公司 | 一种全自动高温窖的闸门的制动装置 |
DE202016104014U1 (de) | 2015-07-31 | 2016-09-26 | Edscha Engineering Gmbh | Türfeststeller |
US10570653B2 (en) * | 2015-11-06 | 2020-02-25 | Multimatic Inc. | Vehicle door checker |
US10683691B2 (en) | 2016-04-07 | 2020-06-16 | Magna Closures Inc. | Power swing door actuator with integrated door check mechanism |
DE102016106826A1 (de) | 2016-04-13 | 2017-10-19 | Edscha Engineering Gmbh | Türfeststeller |
KR101786710B1 (ko) * | 2016-09-09 | 2017-10-18 | 현대자동차 주식회사 | 차량용 도어 체커 유닛 |
CA3079472C (en) * | 2016-12-01 | 2020-11-17 | Warren Industries Ltd. | Improved door control system |
US20190112849A1 (en) * | 2017-10-16 | 2019-04-18 | Magna Closures Inc. | Power-operated variable force door check mechanism for a vehicular closure system |
CN108533102B (zh) * | 2018-02-24 | 2020-09-15 | 吉利汽车研究院(宁波)有限公司 | 车门限位器及具有其的车辆 |
DE102018113524B4 (de) * | 2018-06-06 | 2021-04-08 | Edscha Engineering Gmbh | Haltergehäuse für einen Türfeststeller |
DE102018119650A1 (de) * | 2018-08-13 | 2020-02-13 | Edscha Engineering Gmbh | Türfeststeller |
DE102018119651A1 (de) * | 2018-08-13 | 2020-02-13 | Edscha Engineering Gmbh | Haltergehäuse für einen Türfeststeller sowie Türfeststeller |
DE202019104457U1 (de) | 2018-08-13 | 2019-11-18 | Edscha Engineering Gmbh | Haltergehäuse für einen Türfeststeller sowie Türfeststeller |
CN111255315A (zh) * | 2018-12-03 | 2020-06-09 | 田兆椿 | 汽车车门限位制动装置 |
CN109577766B (zh) * | 2019-01-11 | 2023-11-07 | 海尼兴汽车零部件(南京)有限公司 | 车门限位器、车门及车辆 |
DE202019100594U1 (de) | 2019-01-31 | 2019-07-03 | Edscha Engineering Gmbh | Türfeststeller |
CN110924772B (zh) * | 2019-12-06 | 2021-04-30 | 杭州富阳新远新能源有限公司 | 一种汽车车门限位器 |
US20220186540A1 (en) * | 2020-12-16 | 2022-06-16 | Magna Closures Inc. | Infinite power door check mechanism and method of operation |
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DE4330828A1 (de) * | 1993-09-11 | 1995-03-16 | Fingscheidt Gmbh Friedr | Türhalter für Fahrzeugtüren |
US5630248A (en) * | 1995-10-25 | 1997-05-20 | Luca; Valentin | Door closer with semi-automatic latching |
DE19815981A1 (de) * | 1998-04-09 | 1999-10-14 | Scharwaechter Ed Gmbh | Kraftwagentürfeststeller |
DE10025185C2 (de) | 2000-05-20 | 2002-12-19 | Edscha Ag | Kugeldruckgleiter-Türfeststeller |
FR2852994B1 (fr) | 2003-03-25 | 2007-04-13 | Oxford Automotive Mecanismes E | Mecanisme d'arret de porte de vehicule |
JP2004316299A (ja) * | 2003-04-17 | 2004-11-11 | Riken Kaki Kogyo Kk | 自動車用ドアチェッカ |
US7793387B2 (en) * | 2004-08-30 | 2010-09-14 | M.T.M. Pty Ltd. | Door check |
DE202006000827U1 (de) | 2005-10-28 | 2006-03-23 | Krautkrämer, Hermann | Mechanischer Türfeststeller für Kfz-Türen |
US7469944B2 (en) * | 2006-04-04 | 2008-12-30 | Honda Motor Co., Ltd. | Vehicle door checker having a water management dam |
DE102007023110A1 (de) * | 2007-02-01 | 2008-08-07 | Edscha Ag | Türfeststeller |
-
2007
- 2007-05-16 DE DE102007023110A patent/DE102007023110A1/de not_active Withdrawn
-
2008
- 2008-02-01 CN CN200880011338.XA patent/CN101652526B/zh active Active
- 2008-02-01 DE DE202008017508U patent/DE202008017508U1/de not_active Expired - Lifetime
- 2008-02-01 EP EP08706850A patent/EP2118415B1/de active Active
- 2008-02-01 US US12/449,318 patent/US20100154163A1/en not_active Abandoned
- 2008-02-01 WO PCT/DE2008/000185 patent/WO2008092441A1/de active Application Filing
- 2008-02-01 AT AT08706850T patent/ATE552399T1/de active
-
2012
- 2012-11-07 US US13/670,434 patent/US20130291336A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO2008092441A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20100154163A1 (en) | 2010-06-24 |
WO2008092441A1 (de) | 2008-08-07 |
US20130291336A1 (en) | 2013-11-07 |
DE102007023110A1 (de) | 2008-08-07 |
ATE552399T1 (de) | 2012-04-15 |
EP2118415B1 (de) | 2012-04-04 |
CN101652526A (zh) | 2010-02-17 |
DE202008017508U1 (de) | 2009-10-15 |
CN101652526B (zh) | 2015-05-20 |
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