DE1455234A1 - Overrun buffer made of elastomeric materials for vehicles - Google Patents

Description

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Applicant: Leiaförder MetalJLwarengeaollüiUJia'l't mbH Lentförde / Hann »

Ex * made of elastomeric materials

for vehicles » ι

The ibf indung concerns an overrun buffer elastomeric materials for vehicles. For such Puffy? is for the purpose of improving the usage properties as well as to increase the service life it has already been proposed that the buffer from several, to form layers connected one behind the other in the main direction of force. Here you can these layers have a cellular structure; and among each other through intermediate layers of ab- ' softened or connected to a structure of higher density.

Such casseroles have many advantages in. Relation to their suspension and damping properties j and have a high tensile strength «As ·

however, one disadvantage has been found to be i

that the connection between the individual layers is not yet sufficiently durable. Not especially if the required working accuracy is not observed in the preparation of such compounds or are not met ~ ~ - special I DERS an established connection of the individual main layers by insertion of solidified adhesive layers of the buffer can not be considered sufficient bootcovers _t can. '

This disadvantage is eliminated by the invention help. According to the invention, this is

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achieves that the elastic individual layers which form the run-up buffer and are connected in series in the main direction of force, preferably having a cell structure, are each provided with one or more perforations, which form one or more continuous bores, one above the other, through which a tenon anchored on both sides passes are. expediently consist of or ¹ the buffer passing through pin also of an elastomeric material, preferably of cellular structure.

Kach a v / Eiteren feature of the invention, the pin at each "end with a Ve cirrus _^z'uhgs-:.: Plate provided ,; by the einn tension and pressure" ■■ fixed connection zv / isehen the individual buffer -Layers is created, ■

According to the invention, the a \ -; eckmj.ssig; together with the connecting pin Anchoring plates at the same time the lower UD ^ upper, or only the lower or only form the upper elastic buffer layer, thereby simplifying production the buffer is achieved.

In a further itus ge st al tung the invention, the run-buffer-forming layers are entirely or partly by a skin-like coating _eus: elastischeitt 7 ^»r erkstoff of homofoner ötrukiair enclosed. This coating causes in the manner of a Zugänkers ⁵ more BrhÖhung clex · Jeg ACTION of mortise and tenon joint. As a result of the hcmu _u anen

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Structure of the outer skin of the buffer is also a reliable protection against the ingress of dirt and liquids that damage material! ■ achieved in the cellular tuff layers.

• Further details of the invention are the following description in connection with the in the drawing shown examples of execution * The drawing shows schematic int

Fig. 1 an overrun buffer with axial

Connecting pin in section, Fig. 2 also in section a buffer with two pins lying outside the central axis, Fig. 3 is a plan view of this, Fig. 4 is a section of a buffer with three

Connecting pin, Fig. 5 is a plan view of this, Fig. 6 is a section through another Embodiment of the buffer,

According to Fig. 1, the overflow buffer, designated as a whole by 1, consists of several layers 2, which ^ e are made of elastic plastic, preferably of polyurethanes, and "a have a cellular structure »The individual buffer layers can also have different Be structure. In the central axis of a ^ eden The buffer rail is a circular opening provided, one on top of the other, the one behind the other connected layers 2 on the whole

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Cylindrical space penetrating the buffer length "Form. This ι a through hole corresponding Tree is used to receive a pin 4 made of elastic material, its Structure is also expediently cellular. The connection of the buffers * • Layers 2 made. For this purpose, the pin is at "both ends with an anchor plate 5 and 6 provided, which together with the pin by foaming the material in the Cavity of the buffer can be made from one piece and in one operation.

The anchor plates. can be used in whole or in part as a buffer layer. For example, the plate 5 partially forms the lower and the plate 6 completely forms the ₌ upper of the buffer layers connected in series.

As Fig. 2 ^ 5 show, instead of a single central connection pin, several, for example two or three pins 71 ⁸ »9» can be provided eccentrically within the buffer layers, whereby the strength of the connection is further increased. Purposes also the formation: the upper anchoring © - \ plate 6 according to Fig. 2, which is provided with a "directed, all-round" hand running, flancch-like hand, which closes the adjoining buffer layer from the outside. . »Ia .'- ^ν ΐ>." 2 and 3 further soap, the sc. ^ Eljil ^ cue, in -eich _: el'aet-lsche ü'uffer-, can be easily glued with a button: 1 pldtte'lC , oüer in. andex '^ r · ..aice huf tend vai-bundeii

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In Fig. 6 a buffer is shown, its Sehehttn - are formed domed, whereby, a perfect geometric deformation of the buffer is achieved. In this embodiment, moreover, the entire buffer is skin-like The splint 11 is also made of elastic material, but in contrast to it the actual buffer elements a homogeneous Has structure. On the one hand, this results in the connection of the components forming the buffer additionally strengthened from the outside and at the same time a seal for the porous buffer elements achieved.

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Claims (1)

t «a * an , § _M § | ü fj fr e ι - ■; ■■" ^: 1) Casserole «ue» Xastotteren / colorants for Pihnet ^ v Äadueen gekeaaBöiehnet that the d # B iuffer felldeadec, in main force direction «Ice» cell structure on the floor, with «lasr od« r wmhr * 9 $ n βlads di® lying one on top of the other or Mihs ^ s "durolig" lien <i "bores" form, di · «ο» «iaeai on both sides ^ erankarten cones are" 2} casserole buffer with claims. 1, thereby identified draws that dl «di« Eiaaeleciiicriton de a roÄa «ts« * ad # sa 2 * p £ en made of elastomer «» slt -roviugawels «roped structure 5) AuiTl «mfj>« & ff «r n * en claims 1 and 2, thereby t d «e * üi · 3apftin to both of you exhibit. Aaflicurpaifer saeb ^ ncpruoti 1 - 3 »thereby ieJEeaaselohnet, dos «die ^ eai-insam with the Cones eioeeeokittaiten y anchoring plates the uater · and / or Qbore .form·' 5) Aufleiifpurrer aaeh Aaepruch 1-4, thereby g «feesns« iQl »net that« the ^ uf f erachichten von • iaea new-like '"-bereug from elaotisch ^ m ..erk atoi'f alt no »ogener structure ua & even are« 9 0 9 8 0 3/0037 ^BAD