EP4004313A1 - Kraftfahrzeugtechnische seilzug-betätigungseinrichtung - Google Patents
Kraftfahrzeugtechnische seilzug-betätigungseinrichtungInfo
- Publication number
- EP4004313A1 EP4004313A1 EP20739556.7A EP20739556A EP4004313A1 EP 4004313 A1 EP4004313 A1 EP 4004313A1 EP 20739556 A EP20739556 A EP 20739556A EP 4004313 A1 EP4004313 A1 EP 4004313A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection element
- cable
- slot
- opening
- lever
- 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.)
- Withdrawn
Links
- 238000003780 insertion Methods 0.000 claims abstract description 30
- 230000037431 insertion Effects 0.000 claims abstract description 30
- 210000002445 nipple Anatomy 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 230000004323 axial length Effects 0.000 claims description 9
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
- E05B79/20—Connections between movable lock parts using flexible connections, e.g. Bowden cables
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/02—Mounting of vehicle locks or parts thereof
- E05B79/08—Mounting of individual lock elements in the lock, e.g. levers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
- F16C1/12—Arrangements for transmitting movement to or from the flexible member
- F16C1/14—Construction of the end-piece of the flexible member; Attachment thereof to the flexible member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2350/00—Machines or articles related to building
- F16C2350/52—Locks, e.g. cables to actuate door locks
Definitions
- the invention relates to a motor vehicle cable actuating device, in particular a motor vehicle lock actuating device, with a cable and with a connection element for the cable that can be suspended therein, the connection element for this purpose having an axial opening for receiving an end nipple of the cable and being rotatably mounted.
- Cable actuators are used for a variety of tasks in motor vehicle technology.
- a motor vehicle sliding door can be acted upon with the aid of such a cable actuation device.
- a motor vehicle seat, a window lifter, a tailgate, a front hood, etc. to mention just a few actuating elements acted upon with the aid of the cable by way of example.
- the recourse to the cable pull is typically explained by the locally separate attachment of the adjusting element on the one hand and the associated drive on the other.
- an electric motor drive as well as manual actuation of the cable can be used. Both types of application are also possible.
- the cable or the core of the Bowden cable is for this purpose with its molded core head or the end nipple of the cable in an Aus hooked into the lever.
- a slot for threading the Bowden cable core with its core head or end nipple opens into the recess.
- the known embodiment according to DE 103 41 037 A1 has a relatively complex design and is therefore complex to manufacture.
- the Bowden cable lever it must also be taken into account that the previously mentioned slot for threading the Bowden cable core in a molding process typically requires a slide-shaped demolding tool if a plastic injection-molded part is implemented in this context, as is usually the case. This leads to additional design and manufacturing effort.
- the invention aims to provide a remedy here overall.
- the invention is based on the technical problem of further developing such an automotive cable actuation device in such a way that the manufacturing and assembly outlay is reduced overall and a cheaper variant is made available compared to the prior art.
- a generic motor vehicle cable actuation device within the scope of the inven tion is characterized in that the axial opening in the rotatably mounted connection element is circumferentially except for an axial insertion slot and an axially or axially adjoining it and, in contrast, via a maximum of one Three quarters of a circle and preferably a semicircle radially opening working slot is formed closed.
- the connection element is therefore initially equipped with the axial opening for receiving the end nipple of the cable. In this axial opening, the end nipple is held captive after the cable pull has been attached to the connection element.
- connection element through its rotatable mounting, also serves to apply force to the cable, as is done by the Bowden cable lever in the prior art according to DE 103 41 037 A1.
- connection element according to the invention is additionally rotatably mounted for this purpose, specifically in relation to, for example, a housing and not an additional Bowden cable bearing. That is, within the scope of the present invention, the connection element takes on the common function of the Bowden cable bearing together with the Bowden tension lever pivoted to it in accordance with DE 103 41 037 A1.
- the axial insertion slot serves to hook the end nipple into the connection element together with the cable by inserting it axially into the opening.
- the cable pull is guided through the insertion slot so that the end nipple can be inserted axially into the axial opening.
- the working slot which axially adjoins the insertion slot and, on the other hand, opens radially over a maximum of three quarters of a circle and preferably a semicircle, now takes into account the pivoting movements of the connection element when the force is transmitted to the cable pull.
- the three-quarter circle or semicircle of the radial opening of the working slot takes into account that the application of the cable pull with the aid of the connection element corresponds to a pivoting movement of the connection element of a maximum of 270 ° or in particular 180 ° and less.
- the working slot generally has an axial length which (slightly) exceeds that of the insertion slot.
- the Finding the fact that the rope is generally connected centrally to the end nipple, which extends transversely. If the end nipple is now held and received in the axial opening of the connection element, the working slot must have an axial length which slightly exceeds that of the insertion slot, namely by at least an amount that corresponds to the diameter of the rope. Because in the installed position of the end nipple in the axial opening, the working slot must extend over the axial length in question, which enables the pivoting movement of the connection element with respect to the cable, and consequently allows the cable to move back and forth. This is only possible if the axial length of the working slot is such that the rope can perform the movements in question.
- the insertion slot is generally adapted to a diameter of the rope, essentially corresponds to this.
- the work slot is advantageously adapted to the angular range covered by the cable or the cable pull when the connection element is acted upon.
- the circumferential extent of the working slot is adapted to the angular range covered by the cable pull or its cable during a pivoting movement of the connection element.
- connection element is designed as part of a lever and in particular a lock lever.
- connection element and the lever are designed as a one-piece molded part.
- the invention is based on the knowledge that the connection element only has the insertion slot and the working slot adjoining it and opening opposite it. For this purpose, a housing area defining the corresponding opening for the end nipple and the slots in question is provided on the connection element.
- the housing area on the one hand, the axial opening for holding the end nipple and, on the other hand, both the insertion slot and the working slot are defined.
- the housing area in question has an undercut described by the working slot. This undercut corresponds to a cam-shaped projection on the molded part, which protrudes freely.
- the slot or an associated groove described in DE 103 41 037 A1 is expressly dispensed with.
- the mold can be demolded in one step during the production of the molded part, because by dispensing with the groove at this point, a slide typically to be stored in the mold or the previously mentioned slide-shaped demolding tool can be dispensed with.
- connection element (and with it mostly the lever) can be demolded in one step instead of two as in the prior art.
- the production can be realized and implemented with the aid of a single plastic injection molding tool, so that the effort and the production costs are reduced.
- the molded part is typically and preferably an injection molded part.
- Thermoplastics such as polyethylene (PE), polypropylene (PP), polyamide (PA), to name but a few, have proven to be suitable plastics.
- the cable train is advantageous as a Bowden cable with suspended in the connection element Soul and shell surrounding the soul formed.
- the core itself can be designed as a wire rope core or a plastic core.
- the cover may be designed as a plastic cover.
- connection element can be removed from the mold in a single step, as a result of which the production costs are reduced, especially when using a plastic injection molding process.
- the molded part can also be produced as a metallic molded part, so that in this case the metal spraying process typically used at this point is also carried out and carried out with reduced effort.
- the assembly of the cable actuation device according to the invention is simplified because for this purpose only the cable or the core of the Bowden cable with its end nipple needs to be inserted into the axial opening, this being done through the insertion slot. Because during this process the rope or the core of the Bowden cable is moved axially through the insertion slot. After passing through the insertion slot, the rope enters the working slot that opens radially and axially closes one another. As a result, the rope can perform an angular movement with respect to the connecting element when it is subjected to rotating action, which the working slot takes into account.
- the connection element can generally be driven manually using the lever. But basically there is also one Electromotive loading of the lever or the connection element is conceivable. Both variants can also be combined with one another.
- Fig. 1 shows the inventive automotive cable actuation device in perspective in a first variant
- the cable actuation device may serve to unlock a motor vehicle hood 2, indicated only in FIG. 1, via a cable 1.
- the cable pull 1 may work on a suitably designed and not shown and described motor vehicle lock on the engine hood 2, as is generally described in the previously referenced and generic prior art according to DE 103 41 037 A1.
- the cable 1 is designed as a Bowden cable 1, 1 also, that is, it has a core 1 and a sheath V surrounding the core 1. This is of course not mandatory and should only be understood as an example.
- connection element 3 for the cable pull 1 that can be suspended therein.
- FIGS. 1 and 2 A comparative consideration of FIGS. 1 and 2 makes it clear that the connection element 3 according to the exemplary embodiment is rotatably mounted about an axis 4, for example in relation to a housing or a connection piece 5.
- the housing or connection piece 5 may be in the area of a dashboard Motor vehicle can be arranged so that by acting on the connection element 3 in the FIG. 1 indicated clockwise about its axis 4, the cable 1 is acted upon with a pull Z acting on the engine hood 2 for unlocking or opening the engine hood 2 or the motor vehicle lock there.
- connection element 3 is coupled to a lever 6 which is only indicated in FIG. 1.
- the connection element 3 and the lever 6 can overall form a one-piece molded part which, according to the exemplary embodiment, is designed as a plastic injection-molded part, as will be explained in more detail below.
- the connection element 3 can of course also be driven by a motor or both by motor and manually, in order to be able to realize and implement the rotary movements about its axis 4 indicated in FIG. 1 in order to act on the cable 1 with the train Z.
- this is not shown in detail, although it is possible.
- connection element 3 now has an axial opening 7 for hanging in or for connection to the cable pull 1.
- An end nipple 8 of the cable pull 1 is received in the opening 7.
- the end nipple 8 extends transversely to the longitudinal extension of the cable pull 1 and is coupled to the end side thereof.
- the opening 7 is equipped on the one hand with an insertion slot 9 and on the other hand with a working slot 10, both of which extend in the axial direction or axial direction A.
- the insertion slot 9 serves to enable the cable 1 together with its end nipple 8 to be inserted axially into the axial opening 7. Because here the end nipple 8 is inserted into the opening 7 in the axial direction A in question, the cable 1 being threaded through the insertion slot 9 during this process. As soon as the end nipple 8 rests against a stop 12 of the axial opening 7, which can be seen in particular in FIG. 1, the cable pull 1 emerges from the insertion slot 9 and enters the slot 9 adjoining and, in contrast, radially opening working slot 10. That is to say, the working slot 10 opens in a radial direction R, perpendicular to the axial direction A. The cable 1 runs in this radial direction R (cf. FIG. 1).
- the axial opening 7 is consequently on the circumferential side except for the insertion slot in question
- the working slot 10 opens radially with respect to the insertion slot 9 over a maximum of three quarters of a circle or a semicircle. In this way, movements of the cable pull 1 in the radial direction R with respect to the opening 7 are permitted when the connecting element 3 is acted upon to rotate clockwise about the axis 4 in an angular range indicated in FIG. 1 by an angle a.
- the design is such that the opening 7 together with the two slots 9, 10, that is to say the insertion slot 9 and the working slot 10, are defined in a housing area on the connection element 7.
- This housing area has an undercut described by the working slot 10, which is manifested in the figures by a cam-shaped projection 11 opposite the working slot 10.
- the insertion slot 9 has a length Li in the axial direction A
- the working slot 10 has an axial length L2.
- the overall design is such that the axial length L2 of the working slot 10 is (slightly) larger than the axial length Li of the insertion slot 9, because the cable 1 connected centrally to the end nipple 8 is within the axial length L2 of the working slot
- the insertion slot 9 is adapted to the diameter of the cable or the cable pull 1 for the described threading into the axial opening 7.
- the working slot 10 has in contrast and with regard to its circumferential radial Expansion over an adaptation swept over by the cable pull 1 when the connection element 3 is acted upon, to the associated angular range, which is expressed in the angle a shown in FIG. 1.
- the connection element 3 and the lever 6 are designed as a one-piece molded part and in particular a plastic molded part. In principle, the lever 6 can also be dispensed with.
- connection element 3 can be removed from the mold in one step because, in contrast to the prior art, the insertion slot 9 and the adjoining working slot 10 are provided and the additional groove realized in the prior art dispensable with the consequences already described in the introduction.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Flexible Shafts (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019120489.5A DE102019120489A1 (de) | 2019-07-30 | 2019-07-30 | Kraftfahrzeugtechnische seilzug-betätigungseinrichtung |
| PCT/DE2020/100547 WO2021018340A1 (de) | 2019-07-30 | 2020-06-25 | Kraftfahrzeugtechnische seilzug-betätigungseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4004313A1 true EP4004313A1 (de) | 2022-06-01 |
Family
ID=71579482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20739556.7A Withdrawn EP4004313A1 (de) | 2019-07-30 | 2020-06-25 | Kraftfahrzeugtechnische seilzug-betätigungseinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4004313A1 (de) |
| DE (1) | DE102019120489A1 (de) |
| WO (1) | WO2021018340A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022212977A1 (de) * | 2022-12-01 | 2024-06-06 | Volkswagen Aktiengesellschaft | Verfahren zur Führung einer Bowdenzugsteckverbindung zu einer Endlage in einem Kraftfahrzeugbauteil eines Kraftfahrzeugs, Führungssystem zum Führen einer Bowdenzugsteckverbindung zu einer Endlage in einem Kraftfahrzeugbauteil eines Kraftfahrzeugs sowie Bowdenzugssystem für ein Kraftfahrzeugbauteil eines Kraftfahrzeugs |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3437080A1 (de) * | 1984-10-09 | 1986-04-17 | Bayerische Motoren Werke AG, 8000 München | Vorrichtung zum betaetigen eines aus seilhuelle und zugseil bestehenden seilzuges |
| FR2755991B1 (fr) * | 1996-11-15 | 1999-01-08 | Valeo Securite Habitacle | Dispositif de fermeture et de verrouillage d'un ouvrant de vehicule automobile comportant un module de commande |
| DE10000639B4 (de) * | 2000-01-11 | 2005-05-04 | Siemens Ag | Betätigungsvorrichtung für Schiebetür |
| KR100410511B1 (ko) * | 2001-04-06 | 2003-12-18 | 현대자동차주식회사 | 차량용 연료 필러 도어캐치 |
| DE10341037B4 (de) | 2003-09-03 | 2006-11-09 | GM Global Technology Operations, Inc., Detroit | Bowdenzug für ein Kraftfahrzeug |
| FR2965866B1 (fr) * | 2010-10-08 | 2013-11-01 | Peugeot Citroen Automobiles Sa | Dispositif pour transmettre des efforts de traction entre au moins deux cables |
| SE542497C2 (sv) * | 2015-02-19 | 2020-05-26 | Scania Cv Ab | Förband innefattande en hållare/låsadapter, en vajer och en hålförsedd häv- eller länkarm |
| JP6505519B2 (ja) * | 2015-06-23 | 2019-04-24 | 日本発條株式会社 | 操作レバーとコントロールケーブルの連結構造 |
| DE102017108345A1 (de) * | 2017-03-13 | 2018-09-13 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Schließhilfsantrieb |
-
2019
- 2019-07-30 DE DE102019120489.5A patent/DE102019120489A1/de active Pending
-
2020
- 2020-06-25 EP EP20739556.7A patent/EP4004313A1/de not_active Withdrawn
- 2020-06-25 WO PCT/DE2020/100547 patent/WO2021018340A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021018340A1 (de) | 2021-02-04 |
| DE102019120489A1 (de) | 2021-02-04 |
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