DE10125764A1 - Connector element for immovably or movably installing an areal plastic component comprises plastic material which is injected around the fixing section and/or the installation section - Google Patents

Abstract

Connector element (1) with a fixing section and at least one installation section (3), for immovably or movably installing an areal plastic component covering a region in the plane, comprises plastic material (5, 7), which is injected around the fixing section and/or the installation section.

Description

The invention relates to a connecting element, in particular for fastening supply or movable storage of a flat plastic part, after the preamble of claim 1.

For particularly detachable fastening or for mobile storage a flat plastic part, it is necessary to Ver provide binding elements, by means of which the plastic part attach to a base or frame arrangement or in slide rails the base or frame arrangement can be moved. Gattungsge moderate fasteners are usually made of metal, they can but also from other materials, such as. B. fiber reinforced polymers are manufactured.

DE 196 24 734 C2 describes a generic connecting element known for the slidably movable storage of a plastic existing, flat automotive interior trim part in two parallel Sliding rails are used, which are arranged on the motor vehicle. This be Known connecting element has one in the original shaping of art  fastening part which can be formed into the plastic part and two connecting or La, for example, provided with sliding shoes areas, the connection or storage areas for the Intervention in the slide rails over the limitation of the plastic part protrude.

In the original shaping of this plastic part, in which a number of genres corresponding connecting elements are molded into the plastic part, it is necessary that the inserted in the area of the mold parting line connecting elements partially protruding into the mold cavity in each case are stored so that when filling the mold cavity with plastic mass on the one hand, the fastening areas of the connecting elements are full are constantly molded into the plastic material, but that on the other hand, there are no leaks in the area of the mold parting line. For this it was when using generic connecting elements Previously necessary special sealing measures on the tool grab what the combination of hardened metalli gaskets on one half of the tool and flexible E lastomer seals on the other half of the tool counts. The manufacturer development of these special sealing parts and their arrangement in the Tool halves, however, involve additional effort for toolmakers position and molded part production. In addition, it is experience necessary to wear these seals due to wear and tear check regular intervals and have to replace them if necessary, which causes additional effort and costs.

With this background, it is an object of the present invention, a To create a connecting element that is partially in a plastic part is malleable, but with no special measures to seal tion of the manufacturing tool for the plastic part required the, especially no special seals in the area of the Form inserted connecting element are necessary.  

This task is accomplished by a connecting element with the features of claim 1 solved.

Preferred embodiments of the invention are the subject of Un subclaims.

The connector according to the present invention is shown in FIG known manner of particularly slidable storage of a flat plastic part in slide rails, for example on a Base or frame element are arranged, and has one the original formation of the plastic element in the plastic part ren fastening area and at least one, for example with the Sliding rails of the base or frame element in sliding engagement connectable or storage area. According to the invention However, the connecting element is characterized in that the in the plastic part formable fastening area and / or the at at least one connection or storage area at least partially are encapsulated with a plastic material. At least partially Injection molding of the fastening area with a plastic material advantageous in so far as the task of sealing the mold parting plane in the area of the connection inserted in the tool elements in the simplest way through the connecting element itself can be filled, which is why in the area of the inserted connecting element the manufacturing tool for the plastic part also no distance special sealing measures are necessary, especially none additional elaborate seals integrated or integrated into the mold must be placed.

In other words, the fastening in accordance with the invention rich at least partially overmolded with plastic material element now on the insert and no longer on the tool arranged seal each time a plastic part is formed ert, which also means checking and changing regularly necessary special tool seals are of course not necessary.  

Without a significant increase in effort can be in one and the same Operation or in one and the same clamping, over the Umsprit zen from at least parts of the mounting area, simultaneously also other areas of the connecting element, in particular the at at least one connection or storage area with plastic material be injected. The encapsulation of connection or storage areas with plastic material is advantageous in that it is so simple Way especially the sliding behavior of connection or Lagerbe range that for the sliding guidance of the plastic part in slide rails are provided, can be improved over the prior art.

In other words, by overmolding the connection or Storage area with plastic material directly on the connection or storage area fixed slide shoe made of plastic. Such a solid sliding shoe produced by extrusion coating has against via slip-on sliding shoes known from the prior art Advantages such as saving space, better grip of the sliding shoe on the connector or storage area, simpler design of the connection or Storage area, improved rattle and noise damping and esp special the possibility of compensating for manufacturing tolerances, or, for connecting elements made of spring steel or hardened steel ment, the possibility of compensating for a delay in hardness when overmolded Zen.

By suitable design of those to be molded into the plastic part or with plastic material to be molded and / or Connection or storage areas can each be particularly inni ge connection between the fastening and / or connection or Storage area and the plastic materials. It is therefore in accordance with a preferred embodiment of the invention provided that the Fastening area and / or the connection or storage area of the Connecting element a device for anchoring in plastic Has material, in particular in the form of a molded or  Forming breakthrough-like recess that can be filled with plastic material mung may be present. When molding or overmolding the fastener area or when overmolding the connection or bearing Reichs still liquid or pasty plastic mass such Penetrate recess, causing after subsequent curing or solidifying the plastic mass an intimate bond between Connection element and plastic part or plastic material is present.

According to a preferred embodiment of the invention, the Ver binding or storage area not directly at the fastening area arranged of the connecting element, but the connecting element includes a between the mounting area and connection or La carrier area. This carrier area is in accordance a particularly preferred embodiment of the invention federelas resiliently trained table. This is particularly advantageous if plastic parts by means of connecting elements according to the invention, For example, large-scale cladding parts, easily in slide rails should be guided flexibly. Large parts made of white plastic due to the thermal expansion, dimensional tolerances, which in the Millimeter range. In addition, for example Slide rails in which the plastic part is slidably supported should, in their course and / or with regard to their parallelism, tolerances have, which add to the dimensional tolerances of the plastic part, which results in clamping or tilting the plastic part in can guide the slide rails. With the between mounting area and connection or storage area arranged resiliently after common carrier area can now despite inevitable dimensional tolerances the smooth movement of the plastic part in the slide rails are guaranteed without jamming or jamming occurs.

In a connecting element according to the invention with such a spring elastically designed carrier area, which can be moved, for example  Bearing of a flat surface extending in an x-y plane Cladding part is used, it can happen that forces act on the plastic part in the vertical z-direction to a lead to undesired deformation of the resilient support area, what also for jamming or jumping out of the slide shoes can guide the slide rails. Therefore, it is according to a preferred one Embodiment of the invention provided that the Verbindungsele ment has several connection or storage areas, at least least a first connection or storage area of the support of the Plastic part in the x-y plane and at least one other connection tion or storage area of the support of the plastic part in z direction serves. According to a particularly preferred embodiment the invention is the at least one first connection or La ger range over a resilient support area and the at least another connection or storage area rigid with the fastener connected area. In this way, a functional door can be opened on the one hand in the first, resiliently flexible connection or Storage areas for smooth storage of the plastic part in the Slideways and others, rigid on the mounting area arranged connection or storage areas for inclusion in forces acting in the z direction and their direct introduction into the Make slide rails.

In the following, the invention is explained using only one embodiment game representing drawings explained in more detail.

Show it:

Figure 1 is a schematic plan view of a connecting element according to the invention. and

FIG. 2 shows a schematic, partially sectional side view of the connecting element according to FIG. 1 arranged in the production tool for a plastic part.

In Fig. 1 shows an inventive connecting element 1 is shown in a highly schematic and not to scale Dar position. The illustrated connecting element 1 comprises, in the embodiment shown, a fastening area 2 , two connecting or bearing areas 3 and two spring-elastic support areas 4 , with each of which a connecting or bearing area 3 within the xy plane is resiliently flexible with the fastening area 2 connected is. The two connection or storage areas 3 are molded in the illustrated embodiment with a plastic material, whereby slide shoes 5 are formed which can be slidably received in a slide rail 6 indicated by dashed lines along the y-direction. Furthermore, it can be seen in FIG. 1 that the connection or storage area 3 is also partially encapsulated with a plastic material, so that on the one hand a sealing area 7 for sealing the mold parting plane when molding the connecting element 1 into a plastic part and on the other hand another connection or storage area 8 is formed, which engages in the slide rail 6 , in contrast to the resilient in the xy plane resilient connection or storage areas 3 but is rigidly connected to the fastening supply area 2 , so in the z-direction to be able to introduce acting forces directly into the slide rail 6 without these forces being able to deform the resilient support regions 4 . For Ver stiffening and stabilization can of course be included in the connection or storage area 8 originating at the fastening area 2 before jump of the connecting element 1 , which is not shown in the sense of clarity, however, specifically.

In FIG. 2 connecting element 1 according to the invention 1 is shown in Fig. Shown in a partially sectioned side view. The Ver connecting element 1 is inserted into a tool 9 for producing a plastic part 10 . The tool or the production mold 9 has projections 11 , the shape-corresponding recesses 12 in the connecting element 1 and engage together with other projections 13, the connecting element 1 in the tool 9 . For Einfor 1 men of the connecting element into the means forming mold 9 per producible plastic part 10, the cavity of the mold 9 is filled with a plastic mass 10, whereby the inserted connecting element 1 with plastic material 10 flows around and thus in solidification or solidification of the plastic material firmly into the Plastic part 10 is embedded. When filling the plastic mass 10 into the cavity of the mold 9, however , the mold separating points 14 , 15 must close tightly in order to prevent undesirable leakage of liquid or pasty plastic mass 10 from the mold cavity. It can be clearly seen in FIG. 2 that the task of sealing the mold parting plane at 15 is achieved by the connecting element 1 itself, namely by means of the fastening area 2 encapsulated with plastic material at 7. In other words, the attachment area 2 overmolded with plastic material according to the invention forms the seal for the manufacturing tool 9 in the area of the inserted connecting element 1 , whereby in particular the previously required, separately maintained and separately maintained and regularly exchangeable according to the prior art Sealing elements can be omitted completely.

Furthermore, one can see in Fig. 2 one of the two by means of resilient carrier area 4 resiliently connected to the fastening area 2 connection or storage areas 3 , which comprises a molded shoe made by molding with plastic material 5 , which can slide in a rail 6 indicated by dashed lines , The sliding shoe can, thanks to spring-elastic support by means of the carrier area 4 , move in the x-direction relative to the plastic part 10 , whereby manufacturing and dimensional tolerances of the plastic part 10 and sliding rails 6 are compensated in the sense of easy movement of the plastic part 10 . The third connection or bearing area 8 shown in FIG. 1 for the direct introduction of forces acting in the z direction into the slide rail 6 has been omitted in the illustration in FIG. 2 for the sake of clarity.

Finally, it can be seen from FIG. 2 that the slide shoe 5 produced by extrusion coating with plastic material can compensate for any manufacturing tolerances or a possible delay in the hardness of the connecting element 1 in the area of the connecting or storage area 3 , in particular without subsequent adjustment of the connecting element 1 , which is by the inclined within the slide shoe 5 , angled end of the connection or storage area 3 is indicated.

The result clearly shows that the invention is both significant Simplifications when molding the connecting element into an art fabric part can be achieved as well as improvements in terms of Movable storage of a plastic part in slide rails can be achieved are.

Claims (5)

1. Connecting element, in particular for fastening or mounting a flat plastic part which extends essentially in an xy plane, with a fastening area which can be formed into the plastic part and at least one connecting or storage area, characterized in that the fastening area ( 2 ) and / or connection or storage area ( 3 , 8 ) are at least partially extrusion-coated with a plastic material ( 5 , 7 ). 2. Connecting element according to claim 1, characterized in that the fastening area ( 2 ) and / or connection or Lagerbe rich ( 3 , 8 ) means for anchoring in a plastic material, in particular at least one zen fillable with plastic material when molding or Umsprit breakthrough recess ( 12 ). 3. Connecting element according to claim 1 or 2, characterized by at least one between the fastening area ( 2 ) and connection or storage area ( 3 , 8 ) arranged support area ( 4 ). 4. Connecting element according to one of claims 1 to 3, characterized in that the carrier region ( 4 ) is designed resiliently resilient within the xy plane. 5. Connecting element according to one of claims 1 to 4, characterized by a plurality of connection or storage areas ( 3 , 8 ), wherein first Ver connection or storage areas ( 3 ) of the support of the plastic part ( 10 ) within the xy plane and at least one further connection or storage area ( 8 ) serves to support the plastic part ( 10 ) in the z direction.