This application relates in general to clips and more specifically to clips for securing components (e.g., trim, lines, etc.) to a die-cast material or casting. The die-cast material or casting can form a body part which includes a surface feature configured to engage with the clip. The clip can releasably couple the component to the body part.
Generally described, a variety of vehicles, such as electric vehicles, combustion engine vehicles, hybrid vehicles, etc., can be configured with die-cast body parts. Die-cast body parts can be formed on a large scale as a “mega casting” more efficiently than traditional methods of welding a multitude of stamped or extruded body details together to form the larger body part. The traditional manufacturing process requires a significant amount of post weld processing to add, for example, laser cut slots and machined holes. Thus, there is a need for a robust attachment system and method for subsequent attachment of components to large scale die-cast components that does not require costly and time consuming machining of slots and holes.
An aspect is directed to embodiments of a casting clip configured to engage with a surface feature of a die-cast body part or casting. For example, an aspect is directed to a clip for securing a component to a body part. The body part comprises a die-cast material and a surface feature. The clip includes a first engagement feature configured to engage the component so as to secure the clip to the component and a second engagement feature configured to engage the surface feature of the body part or casting. The clip remains engaged with the surface feature of the casting when the component is disengaged from the first engagement feature of the clip.
A variation of the aspect above is, wherein the component comprises a polymer.
A variation of the aspect above is, wherein the die-cast material is aluminum.
A variation of the aspect above is, wherein the body part is of a vehicle.
A variation of the aspect above is, wherein the clip is a cylinder type.
A variation of the aspect above is, wherein the clip is a rib type.
A variation of the aspect above is, wherein the clip is an inverted trim type.
A variation of the aspect above is, wherein the clip comprises an insert, an overmold, and a base.
A variation of the aspect above is, wherein the insert comprises steel.
A variation of the aspect above is, wherein the overmold comprises polypropylene with 20% glass fiber (PP-GF20).
A variation of the aspect above is, wherein the base comprises polyoxymethylene (POM).
A variation of the aspect above is, wherein the insert, the overmold, and the base stay engaged with the surface feature when the component is disengaged from the first engagement feature.
A variation of the aspect above is, wherein the clip is a rib type.
A variation of the aspect above is, wherein the clip comprises a component clip, a holder, and a clamp.
A variation of the aspect above is, wherein the component clip comprises steel.
A variation of the aspect above is, wherein the holder comprises polyoxymethylene (POM).
A variation of the aspect above is, wherein the clamp comprises polyoxymethylene (POM).
A variation of the aspect above is, wherein the component clip stays engaged with the surface feature when the holder and the clamp are removed together as a subassembly.
A variation of the aspect above is, wherein the clip is an inverted trim type.
A variation of the aspect above is, wherein the clip comprises metal.
A variation of the aspect above further comprises spurs or teeth.
A variation of the aspect above is, wherein the clip stays engaged with the surface feature when the component is disengaged from the first engagement feature.
A variation of the aspect above is, wherein the component comprises a housing sized and shaped to receive the clip.
An aspect is directed to a method of reusing a clip. The method comprises engaging the clip with a component part by applying an insertion force and engaging the component part and the clip as a subassembly to a surface feature with an installation force. A disassembly force between the clip and the surface feature is greater than a disassembly force between the component part and the clip.
A variation of the aspect above is, wherein the component part comprises a housing, and wherein the clip engages with the housing.
A variation of the aspect above further comprises removing the component part from the surface feature while the clip stays engaged with the surface feature.
A variation of the aspect above further comprises reattaching the component part to the clip while the clip is engaged to the surface feature.
A variation of the aspect above is, wherein the component part is a panel of a vehicle, and wherein the surface feature is on a body part of the vehicle.
A variation of the aspect above is, wherein the body part comprises a die-cast material.
An aspect is directed to a clip for securing a component to a body. The clip comprises a first engagement feature configured to engage the component so as to secure the clip to the component and a second engagement feature configured to engage the body, wherein a disassembly force between the clip and the component is less than a disassembly force between the clip and the body.
A variation of the aspect above is, wherein the first engagement structure comprises a size and shape of the clip.
A variation of the aspect above is, wherein the second engagement structure comprises one or more spurs.
A variation of the aspect above is, wherein the clip comprises metal.
A variation of the aspect above is, wherein the body comprises a die-cast material.
A variation of the aspect above is, wherein the component is a panel for a vehicle.
A variation of the aspect above is, wherein the body is a part of the vehicle.
The present inventions are described with reference to the accompanying drawings, in which like reference characters reference like elements, and wherein:
Generally described, one or more aspects of the present disclosure relate to clips and more specifically to clips for securing components to a casting made from die-cast material. The die-cast material can form a casting or body part which includes a surface feature configured to engage with the casting clip. The casting clip can releasably couple the component to the casting or body part. In certain embodiments, the casting clip eliminates the process of machining slots into casted body features, which saves cycle time in production. In certain embodiments, the casting clip is serviceable and reusable. In certain embodiments, the casting clip comprise one or more components.
In certain embodiments, the casting clip comprises a first engagement feature configured to engage a component so as to secure the clip to the component. In certain embodiments, the casting clip further comprises a second engagement feature configured to engage a surface feature of a body part or casting and remain engaged with the surface feature when the component is disengaged from the second engagement feature of the casting clip.
In certain embodiments, the casting clip can be used to attach polymer components to aluminum die-cast bodies. In certain embodiments, the vehicle structure requires less post-process machining operations. In certain embodiments, the casting clips are applicable to the dry side of the body as well as the wet side of body with an extra seal. The casting clips can be employed for exteriors and applicable automotive parts that need to be attached to the vehicle structure. Use of the certain embodiments of the clip can eliminate the need for machining features in casted body parts and provide serviceable and reusable, haptic feedback for installation and service.
Certain embodiments of the casting clip can eliminate processes for complicated manufacturing and installation as well as reduce associated part numbers and costs which increases manufacturing output of body vehicle structures. For example, use of existing clips require machined holes in the casting. The casting clip embodiments disclosed herein, can reduce or eliminate the machined holes. Certain embodiments of the clip reduce tolerance stack-up errors and increase part alignment accuracy by employing modeled features as compared to machined features. In certain embodiments, the casting clips are secured to surface features (e.g., ribs and posts) of the casting or body part.
An embodiment can be a cylinder type casting clip. In certain embodiments, the casting clip has three components. In certain embodiments, the components include an insert, an overmold, and a base. In certain embodiments, the insert is made from a high performance spring steel. In certain embodiments, the overmold is made from a polymer (e.g., synthetic polymers including polypropylene with 20% glass fiber (PP-GF20)). In certain embodiments, the base is made from a polymer (e.g., polyoxymethylene (POM)). In certain embodiments, the wheelhouse liner can be removed from the cylinder type casting clip by pinching together the snap fits of the casting clip. In certain embodiments, the cylinder type casting clip engage an outer surface of a cylindrical die-cast post. In certain embodiments, the installation of the cylinder type casting clip is confirmed with an audible sound such as a click. In certain embodiments, the cylinder type casting clip can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the cylinder type casting clip is employed as a high tolerance joining clip for hard and soft trim component parts which may need a relatively high retention force.
Another embodiment can be a rib type casting clip. In certain embodiments, the casting clip has three components. In certain embodiments, the components include a steel clip, a holder, and a clamp. In certain embodiments, the clip is made from a high performance spring steel. In certain embodiments, the holder is made from POM In certain embodiments, the clamp is made from POM. In certain embodiments, the rib type casting clip can be removed from the casting or body part by pulling the holder to separate the holder and the clamp from the component clip for reusability. In certain embodiments, the rib type casting clip engages an outer surface of a die-cast rib on the casting or body part. In certain embodiments, the installation of the rib type casting clip is confirmed with an audible sound such as a click. In certain embodiments, the rib type casting clip can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the rib type casting clip is employed as a cable routing clip for alignment of certain HVAC tubes as needed.
Another embodiment of the clip can include an inverted trim casting clip having a single metal component with teeth or spurs. In certain embodiments, the inverted trim casting clip is pre-installed to a trim panel (e.g., component part) and stays on the casting after initial trim installation. For example, in certain embodiments, the inverted trim casting clip is installed at the supplier level directly to the trim panel which removes the installation process for associates at general assembly line. This can eliminate having to attach extra fasteners to the casting or body part. In certain embodiments, upon removal of the component part, the clip will remain on the casting or body part, which allows products to be removed without damage to the clip (i.e., the clip retains its functionality). In certain embodiments, the inverted trim casting clip can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the inverted trim casting clip is employed when the mating feature on the polymer trim component is designed as a floating datum to absorb tolerances.
For example, the clip 20 can be a rib type casting clip. In certain embodiments, the surface feature 16 for the rib type casting clip 20 is in the form of an outer surface of a rib.
In certain embodiments, the casting clip 18 can be removed by pinching snap fits 25 of the casting clip 18. In certain embodiments, the casting clip 18 catches an outer surface of a cylindrical die-cast post 16. In certain embodiments, the installation of the casting clip 18 is confirmed with the audible sound of a click. In certain embodiments, the casting clip 18 can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the casting clip 18 is employed as a high tolerance joining clip for hard and soft trims which may need a relatively high retention force.
In certain embodiments, the casting clip 18 comprises a first engagement feature 42 (e.g., snap fit) configured to engage a component part (e.g., wheelhouse liner 28) so as to secure the casting clip 18 to the component part. In certain embodiments, the casting clip 18 further comprises a second engagement feature 44 configured to engage the surface feature 16 of the casting or body part and remain engaged with the surface feature 16 when the component part is disengaged from the first engagement feature 42 of the casting clip 18.
In certain embodiments, the rib type casting clip 20 can be removed by pulling the holder 32 to separate it from the component clip 30 for reusability. In certain embodiments, the rib type casting clip 20 catches an outer surface of a surface feature 16 (e.g., a die-cast rib) of the casting or body part 14. In certain embodiments, the installation of the rib type casting clip 20 is confirmed with an audible sound such as a click. In certain embodiments, the rib type casting clip 20 can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the rib type casting clip 20 is employed as cable routing clips for alignment of certain tubes (e.g., HVAC, brake, etc.) as needed.
In certain embodiments, snap fits 37 of the clamp 34 are held by a hole 35 in the holder 32. In certain embodiments, the connection between the clamp 34 and the holder 32 is not serviceable. In certain embodiments, the snap fits 33 of the component clip 30 are secured by windows 31 in the holder 32. In certain embodiments, the connection between the component clip 30 and the holder 32 is serviceable. In certain embodiments, the clamp 34 can be rotated to facilitate routing of the line (e.g., brake line).
In certain embodiments, upon removal of the component part 40 from the casting or body part 14, the casting clip 36 will remain on the surface feature 16 of the casting or body part 14, which allows the component part 40 to be removed without damage to the casting clip 36. The casting clip 36 can retain its functionality over multiple uses. In certain embodiments, the casting clip 36 can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the casting clip 36 is employed when the mating feature on the polymer trim component (e.g., housing 38) is designed as a floating datum to absorb tolerances.
In certain embodiments, the clip 36 further comprises a second engagement feature 44 configured to engage the surface feature 16 (e.g., rib) of the casting or body part 14 and remain engaged with the surface feature 16 when the component (e.g., housing 38 of component part 40) is disengaged from the first engagement feature 42 of the casting clip 36. In certain embodiments, the second engagement feature 44 comprises one or more spurs 41 configured to engage with the surface feature 16. In certain embodiments, the casting clip 36 comprises six spurs 41. In the illustrated embodiment, three spurs 41 extend in an inward direction from each side of the casting clip 36. Of course the casting clip 36 is not limited to having six spurs 41 and instead can have any number of spurs 41.
In certain embodiments, upon removal of the component part 40 from the casting or body part 14, the casting clip 46 will remain on the surface feature 16 of the casting or body part 14, which allows the component part 40 to be removed without damage to the casting clip 46. The casting clip 46 can retain its functionality over multiple uses. In certain embodiments, the casting clip 46 can be employed depending on if a high pull force extracts the part out of position. In certain embodiments, the casting clip 46 is employed when the mating feature on the polymer trim component (e.g., housing 38) is designed as a floating datum to absorb tolerances.
In certain embodiments, the clip 46 further comprises a second engagement feature 44 configured to engage the surface feature 16 (e.g., rib) of the casting or body part 14 and remain engaged with the surface feature 16 when the component (e.g., housing 38 of component part 40) is disengaged from the first engagement feature 42 of the casting clip 46. In certain embodiments, the second engagement feature 44 comprises one or more spurs 41 configured to engage with the surface feature 16. In certain embodiments, the casting clip 46 comprises six spurs 41. In the illustrated embodiment, three spurs 41 extend in an inward direction from each side of the casting clip 46. Of course the casting clip 46 is not limited to having six spurs 41 and instead can have any number of spurs 41. In certain embodiments, the one or more spurs 41 can be sized and shaped to provide a desired installation force and/or disassembly force (e.g., see
The foregoing disclosure is not intended to limit the present disclosure to the precise forms or particular fields of use disclosed. As such, it is contemplated that various alternate embodiments and/or modifications to the present disclosure, whether explicitly described or implied herein, are possible in light of the disclosure. Having thus described embodiments of the present disclosure, a person of ordinary skill in the art will recognize that changes may be made in form and detail without departing from the scope of the present disclosure. Thus, the present disclosure is limited only by the claims.
In the foregoing specification, the disclosure has been described with reference to specific embodiments. However, as one skilled in the art will appreciate, various embodiments disclosed herein can be modified or otherwise implemented in various other ways without departing from the spirit and scope of the disclosure. Accordingly, this description is to be considered as illustrative and is for the purpose of teaching those skilled in the art the manner of making and using various embodiments. It is to be understood that the forms of disclosure herein shown and described are to be taken as representative embodiments. Equivalent elements, materials, processes or steps may be substituted for those representatively illustrated and described herein. Moreover, certain features of the disclosure may be utilized independently of the use of other features, all as would be apparent to one skilled in the art after having the benefit of this description of the disclosure. Expressions such as “including”, “comprising”, “incorporating”, “consisting of”, “have”, “is” used to describe and claim the present disclosure are intended to be construed in a non-exclusive manner, namely allowing for items, components or elements not explicitly described also to be present. Reference to the singular is also to be construed to relate to the plural.
Further, various embodiments disclosed herein are to be taken in the illustrative and explanatory sense and should in no way be construed as limiting of the present disclosure. All joinder references (e.g., attached, affixed, coupled, connected, and the like) are only used to aid the reader's understanding of the present disclosure, and may not create limitations, particularly as to the position, orientation, or use of the systems and/or methods disclosed herein. Therefore, joinder references, if any, are to be construed broadly. Moreover, such joinder references do not necessarily infer that two elements are directly connected to each other. Additionally, all numerical terms, such as, but not limited to, “first”, “second”, “third”, “primary”, “secondary”, “main” or any other ordinary and/or numerical terms, should also be taken only as identifiers, to assist the reader's understanding of the various elements, embodiments, variations and/or modifications of the present disclosure, and may not create any limitations, particularly as to the order, or preference, of any element, embodiment, variation and/or modification relative to, or over, another element, embodiment, variation and/or modification.
It will also be appreciated that one or more of the elements depicted in the drawings/figures can also be implemented in a more separated or integrated manner, or even removed or rendered as inoperable in certain cases, as is useful in accordance with a particular application.
This application claims the benefit of U.S. Provisional Application No. 63/267,769, filed Feb. 9, 2022, the entire disclosure of which is hereby incorporated by reference in its entirety.
Filing Document | Filing Date | Country | Kind |
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PCT/US2023/012391 | 2/6/2023 | WO |
Number | Date | Country | |
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63267769 | Feb 2022 | US |