DE20023521U1 - Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding - Google Patents
Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding Download PDFInfo
- Publication number
- DE20023521U1 DE20023521U1 DE20023521U DE20023521U DE20023521U1 DE 20023521 U1 DE20023521 U1 DE 20023521U1 DE 20023521 U DE20023521 U DE 20023521U DE 20023521 U DE20023521 U DE 20023521U DE 20023521 U1 DE20023521 U1 DE 20023521U1
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- spring
- clamping
- steel body
- spring steel
- 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.)
- Expired - Lifetime
Links
- 229910000639 Spring steel Inorganic materials 0.000 title claims abstract description 23
- 239000006223 plastic coating Substances 0.000 title claims abstract description 12
- 238000001746 injection moulding Methods 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K37/00—Dashboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14344—Moulding in or through a hole in the article, e.g. outsert moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K37/00—Dashboards
- B60K37/10—Arrangements for attaching the dashboard to the vehicle
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/005—Means to increase the friction-coefficient
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
- F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material
- F16B2/24—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material of metal
- F16B2/241—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material of metal of sheet metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/727—Fastening elements
- B29L2031/7282—Snap fasteners, clips, press-buttons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Die Erfindung betrifft eine Befestigungsklammer aus Federstahl zur Befestigung von mindestens zwei Teilen aneinander, insbesondere von Kraftfahrzeugteilen, gemäß dem Oberbegriff von Anspruch 1, und ein Verfahren zur Beschichtung des Federstahlkörpers solcher Befestigungsklammern im Spritzgießverfahren.The The invention relates to a fastening clip made of spring steel for fastening of at least two parts to one another, in particular motor vehicle parts, according to the generic term of claim 1, and a method for coating the spring steel body thereof Fixing clips in the injection molding process.
Stand der Technik: Befestigungsklammern aus Federstahl werden in der Automobilindustrie zur Verbindung von Teilen, beispielsweise zur Verbindung eines Armaturenbretts mit einer Autokarosserie, verwendet. Damit die durch Klemmverbindung miteinander verbundenen Teile nicht quietschen oder klappern, werden die Stahlklammern lackiert und partiell an ihren Klemmflächen mit Filzstreifen beklebt. Die Montage der Fahrzeugteile mit den Klammern erfolgt durch Roboter.was standing of technology: Spring steel fastening clips are used in the automotive industry for connecting parts, for example for connecting a dashboard with a car body, used. So that by clamping connection with each other the steel clips will not squeak or rattle lacquered and partially covered with felt strips on their clamping surfaces. The vehicle parts with the brackets are assembled by robots.
Durch die Erfindung sollen folgende Nachteile vermieden werden:
- a) Die Teilekosten sind zu hoch. Die Klammern werden vor der Montage der Fahrzeugteile mit Filzstreifen manuell beklebt. Dies erfordert einen hohen Personalaufwand und somit hohe Personalkosten.
- b) Verfilzen und Verhaken der Filzstreifen. Bei der Montage der Autoteile kann sich der Filzstreifen an den Autoteilen verhaken und wird dabei abgezogen. Dies erfordert eine neue Beklebung der Klammer mit Filzstreifen.
- c) Quietschgeräusche. In Dauertests und anschließend in der Praxis werden die Filzstreifen durch Vibrationen der Fahrzeugteile abgerieben und zusammengedrückt. Es entsteht ein Luftspalt zwischen Filzstreifen und den Fahrzeugteilen. Dies führt zu Quietsch- und Knackgeräuschen.
- d) Abziehen der Filzstreifen bei Demontage. Bei der Demontage von Fahrzeugteilen, beispielsweise eines Armaturenbretts oder einer Instrumententafel aus dem Kraftfahrzeug, werden die Filzstreifen häufig zerstört und müssen erneuert werden.
- a) The part costs are too high. The clips are glued manually with felt strips before the vehicle parts are assembled. This requires high personnel costs and therefore high personnel costs.
- b) matting and interlocking of the felt strips. When assembling the auto parts, the felt strip can get caught on the auto parts and is pulled off. This requires a new gluing of the clip with felt strips.
- c) squeaking noises. In endurance tests and then in practice, the felt strips are rubbed off and pressed together by vibrations of the vehicle parts. There is an air gap between the felt strips and the vehicle parts. This leads to squeaking and cracking noises.
- d) pulling off the felt strips during disassembly. When dismantling vehicle parts, for example a dashboard or an instrument panel from the motor vehicle, the felt strips are frequently destroyed and have to be replaced.
Durch die Erfindung soll somit die Aufgabe gelöst werden, eine einfache und preiswerte Möglichkeit zu schaffen, durch welche bei Verwendung einer Befestigungsklammer aus Federstahl Quietsch- und Knackgeräusche vermieden werden, wobei insbesondere das teuere Befestigen von Filzstreifen und das Beschädigen oder unerwünschte Entfernen von Teilen oder des gesamten Filzstreifens bei der Montage und/oder bei der Demontage von Kraftfahrzeugteilen oder anderen Teilen vermieden wird.By the invention is thus intended to solve the problem of a simple and inexpensive option to create through which when using a mounting bracket squeaking and cracking noises are avoided, whereby especially the expensive fastening of felt strips and the damage or undesirable Removal of parts or the entire felt strip during assembly and / or when dismantling motor vehicle parts or others Sharing is avoided.
Diese Aufgabe wird gemäß der Erfindung durch die Merkmale von Anspruch 1 gelöst.This Object is achieved according to the invention solved the features of claim 1.
Weitere Merkmale sind in den Unteransprüchen enthalten.Further Features are in the subclaims contain.
Die Erfindung betrifft demgemäß eine Befestigungsklammer aus Federstahl zur Befestigung von zwei Teilen aneinander, insbesondere von Kraftfahrzeugteilen, dadurch gekennzeichnet, daß ihr Federstahlkörper partiell, mindestens an seinen Klemmflächen, mit Kunststoff beschichtet ist, welcher im Spritzgießverfahren auf den Federstahlkörper aufgebracht ist.The The invention accordingly relates to a mounting bracket made of spring steel for fastening two parts together, in particular of motor vehicle parts, characterized in that their spring steel body is partially at least on its clamping surfaces, is coated with plastic, which is injection molded on the spring steel body is applied.
Gemäß einer bevorzugten Ausführungsform ist der Stahlkörper der Befestigungsklammer phosphatiert und der Kunststoff auf die phosphatierten Flächen im Spritzgießverfahren aufgespritzt.According to one preferred embodiment the steel body the mounting bracket phosphated and the plastic on the phosphated surfaces in the injection molding process sprayed.
Der Kunststoff ist vorzugsweise ein "Thermoplastisches Elastomer" (TPE).The Plastic is preferably a "thermoplastic Elastomer "(TPE).
Die Erfindung hat folgende Vorteile:
- a) Geringe Herstellkosten.
- b) Die Montage der beschichteten Befestigungsklammern mit einem Roboter unter Serienfertigungsbedingungen ist störungsfrei, wobei die Kunststoffbeschichtung beschädigungsfrei befestigt ist und gute Gleitfähigkeit hat.
- c) Keine Quietschgeräusche oder Knackgeräusche auch bei Dauerbetrieb. d) Die Instrumententafel oder Armaturenbrett oder andere Teile eines Kraftfahrzeuges oder eines anderen Gerätes können mehrmals problemlos demontiert werden und wieder montiert werden ohne Beschädigung der Befestigungsklammer bzw. von deren Kunststoffschicht.
- a) Low manufacturing costs.
- b) The assembly of the coated fastening clamps with a robot under series production conditions is trouble-free, the plastic coating being attached without damage and having good sliding properties.
- c) No squeaking or cracking noises even during continuous operation. d) The instrument panel or dashboard or other parts of a motor vehicle or other device can be easily disassembled and reassembled several times without damaging the fastening clip or its plastic layer.
Die Erfindung wird im folgenden mit Bezug auf die Zeichnungen anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In den Zeichnungen zeigen:The Invention will now be described with reference to the drawings a preferred embodiment described as an example. The drawings show:
Die
in den Zeichnungen dargestellte Befestigungsklammer nach der Erfindung
enthält
einen einstückigen
Federstahlkörper
Der
Federstahlkörper
Die
sich rückwärts erstreckenden
Gegenfederbügelabschnitte
Alle
Klemmflächen
Gemäß der bevorzugten
Ausführungsform ist
der Federstahlkörper
Ferner
sind gemäß der Erfindung
die nach vorne zeigenden Stirnflächen
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20023521U DE20023521U1 (en) | 2000-08-24 | 2000-08-24 | Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10041647A DE10041647A1 (en) | 2000-08-24 | 2000-08-24 | Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding |
DE20023521U DE20023521U1 (en) | 2000-08-24 | 2000-08-24 | Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20023521U1 true DE20023521U1 (en) | 2004-11-11 |
Family
ID=33453675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20023521U Expired - Lifetime DE20023521U1 (en) | 2000-08-24 | 2000-08-24 | Spring steel clip for attaching car dashboard to its bodywork, has plastic coating applied to at least its clamping surfaces by injection molding |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20023521U1 (en) |
-
2000
- 2000-08-24 DE DE20023521U patent/DE20023521U1/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20041216 |
|
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20041111 |
|
R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20060609 |
|
R081 | Change of applicant/patentee |
Owner name: EMQTEC AG, DE Free format text: FORMER OWNER: EDGAR EMELE KUNSTSTOFFTECHNIK PRAEZISIONSFORMEN GMBH, 86179 AUGSBURG, DE Effective date: 20060712 |
|
R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20080609 |
|
R071 | Expiry of right |