FR2694350A1 - Fixing system for assembly in fixed position of two components - used in installation of covers for heating or air conditioning units in motor vehicles - Google Patents
Fixing system for assembly in fixed position of two components - used in installation of covers for heating or air conditioning units in motor vehicles Download PDFInfo
- Publication number
- FR2694350A1 FR2694350A1 FR9307302A FR9307302A FR2694350A1 FR 2694350 A1 FR2694350 A1 FR 2694350A1 FR 9307302 A FR9307302 A FR 9307302A FR 9307302 A FR9307302 A FR 9307302A FR 2694350 A1 FR2694350 A1 FR 2694350A1
- Authority
- FR
- France
- Prior art keywords
- disc
- fastening system
- assembly
- components
- teeth
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 4
- 238000010438 heat treatment Methods 0.000 title claims abstract description 4
- 238000009434 installation Methods 0.000 title claims description 3
- 210000000078 claw Anatomy 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/20—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts for bolts or shafts without holes, grooves, or notches for locking members
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
Description
L'invention se rapporte à un système de fixation pour l'assemblage en position fixe de deux composants, de préférence en matière plastique, en particulier d'éléments d'enveloppe d'une installation de chauffage ou de climatisation de véhicule, un composant comportant plusieurs protubérances à la surface d'assemblage et l'autre composant comportant plusieurs trous, les protubérances passant par les trous après montage. The invention relates to a fixing system for the assembly in a fixed position of two components, preferably made of plastic, in particular shell elements of a vehicle heating or air conditioning installation, a component comprising several protrusions on the assembly surface and the other component comprising several holes, the protrusions passing through the holes after assembly.
I1 existe des systèmes de fixation pour l'assemblage en position fixe d'éléments d'enveloppe en matière plastique, dans lesquels des protubérances prévues sur un bord circonférentiel pénètrent dans des trous correspondants de la pièce complémentaire et assurent ainsi un positionnement exact. Des organes supplémentaires d'encliquetage destinés à retenir les pièces l'une contre l'autre sont soit venues de moulage avec le bord de l'enveloppe, soit ont la forme d'agrafes métalliques qui pénètrent dans une contre-dépouille ou une cavité des deux éléments d'enveloppe.Les dispositions connues ont donné de bons résultats lorsqu'elles sont utilisées en grandes séries, mais elles exigent un investissement correspondant soit pour l'outillage lorsqu'il faut que les organes d'encliquetage soient rapportés par injection lors de la fabrication des éléments d'enveloppe, soit pour la production de ressorts en lyre, leur façonnage et leur montage. I1 are fixing systems for the assembly in a fixed position of plastic casing elements, in which protuberances provided on a circumferential edge penetrate into corresponding holes of the complementary part and thus ensure exact positioning. Additional snap-on members intended to hold the parts against each other have either come from molding with the edge of the envelope, or have the form of metal staples which penetrate into an undercut or a cavity of the two elements of the envelope. The known arrangements have given good results when they are used in large series, but they require a corresponding investment, either for the tools when the locking members have to be brought back by injection during the manufacture of the envelope elements, ie for the production of lyre springs, their shaping and their assembly.
L'invention a pour objet un système de fixation tel que spécifié en préambule et perfectionné de manière à permettre par des moyens simples d'obtenir une fixation des deux éléments de matière plastique qui agit dans chaque sens et qui convient pour des montages automatisés. The subject of the invention is a fixing system as specified in the preamble and improved so as to allow, by simple means, a fixing of the two plastic elements which acts in each direction and which is suitable for automated assemblies.
Selon une particularité essentielle du système de fixation tel que spécifié en préambule et conforme à l'invention, des disques élastiques prévus pour la fixation des deux composants comportent d'un côté au moins une griffe à l'aide de laquelle ils pénètrent dans la matière d'un composant, ainsi qu'un trou central comportant au moins une dent orientée de l'autre côté obliquement sur le plan du disque et vers la protubérance et s'incrustant dans la matière de cette dernière. Cette disposition a l'avantage essentiel que les pièces de matière plastique n'ont pas à avoir une conformation particulière, car les protubérances et les trous existent de toute manière sur les surfaces d'appui des deux pièces et le disque élastique se mettant en place sur la protubérance par poussée est un composant bon marché et se montant facilement. According to an essential feature of the fixing system as specified in the preamble and in accordance with the invention, elastic discs provided for fixing the two components comprise on one side at least one claw with the help of which they penetrate into the material of a component, as well as a central hole comprising at least one tooth oriented on the other side obliquely on the plane of the disc and towards the protuberance and becoming embedded in the material of the latter. This arrangement has the essential advantage that the plastic parts do not have to have a particular conformation, because the protrusions and the holes exist anyway on the bearing surfaces of the two parts and the elastic disc being put in place. on the protrusion by pushing is a cheap and easily assembled component.
Selon une particularité avantageuse de l'objet de l'invention, les griffes sont formées de parties coudées du disque, l'angle qu'elles inscrivent avec le plan de ce dernier étant d' environ 90". La matière du disque étant beaucoup plus dure que celle des composants devant être assemblés, les griffes s'enfoncent dans la matière de l'un de ceux-ci lors du montage du disque élastique en assurant une retenue stable qui résiste même à de grandes forces. According to an advantageous feature of the object of the invention, the claws are formed of bent parts of the disc, the angle which they register with the plane of the latter being about 90 ". The material of the disc being much more as hard as that of the components to be assembled, the claws sink into the material of one of them during assembly of the elastic disc, ensuring stable retention which withstands even great forces.
Les parties coudées sont disposées de préférence sur le bord circonférentiel du disque, la distance qui les sépare étant de préférence constante. Les griffes ont avantageusement une forme sensiblement triangulaire qui facilite la pénétration dans le matériau des composants devant être fixés l'un à l'autre.The bent parts are preferably arranged on the circumferential edge of the disc, the distance which separates them is preferably constant. The claws advantageously have a substantially triangular shape which facilitates the penetration into the material of the components to be fixed to each other.
Suivant une autre particularité avantageuse, deux dents sont prévues et sont diamétralement opposées par rapport au trou. Ces dents comportent sur le bord antérieur une échancrure en V dont les flancs s'incrustent dans le matériau de la protubérance. Les dents sont disposées suivant un angle d'environ 20 à 30 avec le plan du disque élastique de manière à empêcher que celui-ci perde la précontrainte produite dans le sens allant vers la surface d'asemblage. Pour faciliter la mise en place par poussée du disque élastique sur la protubérance, celle-ci a une enveloppe conique, l'angle au sommet du cône étant d'environ 2" à 7 , de préférence de 5". According to another advantageous feature, two teeth are provided and are diametrically opposite with respect to the hole. These teeth have a V-shaped notch on the front edge, the sides of which are embedded in the material of the protuberance. The teeth are arranged at an angle of about 20 to 30 with the plane of the elastic disc so as to prevent the latter from losing the prestress produced in the direction going towards the assembly surface. To facilitate the insertion by pushing of the elastic disc on the protuberance, the latter has a conical envelope, the angle at the top of the cone being approximately 2 "to 7, preferably 5".
Un exemple de réalisation du système de fixation selon l'invention va être décrit plus en détail en regard du dessin sur lequel
la figure l est une vue en plan du disque élastique,
la figure 2 est une vue dans le sens de la flèche II de la figure l,
la figure 3 est une vue dans le sens de la flèche
III de la figure 2 et
la figure 4 est une coupe du système de fixation.An exemplary embodiment of the fixing system according to the invention will be described in more detail with reference to the drawing on which
FIG. 1 is a plan view of the elastic disc,
FIG. 2 is a view in the direction of the arrow II in FIG. 1,
Figure 3 is a view in the direction of the arrow
III of Figure 2 and
Figure 4 is a section of the fastening system.
La figure l représente un disque élastique l qui est en métal. Il comporte au centre un trou 2 sensiblement rectangulaire. Les côtés larges du trou 2 sont délimités par des dents 3 et 4 qui sont rabattues vers l'extérieur du plan du disque et qui comportent une échancrure 5 en V sur le bord antérieur 3' ainsi que 4'. Le contour de l'échancrure 5 en V est calculé de manière que le disque élastique l s'applique tangentiellement contre l'enveloppe 7 du téton ou de la protubérance 6 de manière à se fixer sur cette dernière. Figure l shows an elastic disc l which is made of metal. It has a substantially rectangular hole 2 in the center. The wide sides of the hole 2 are delimited by teeth 3 and 4 which are folded out towards the outside of the plane of the disc and which have a notch 5 in V on the front edge 3 ′ as well as 4 ′. The contour of the notch 5 in V is calculated so that the elastic disc l is applied tangentially against the casing 7 of the stud or of the protrusion 6 so as to be fixed on the latter.
Les échancrures 8 que comporte le bord circonférentiel du disque élastique l sont formées par rabattement de parties de ce dernier qui vont être décrites plus en détail en regard des figures 2 et 3. La figure 2 représente la vue du disque l dans le sens de la flèche II de la figure l, le plan du disque correspondant à la surface 9. Quatre parties 10 rabattues sur ce plan 9 sont toutes orientées du même côté du disque élastique l et inscrivent un angle d'environ 90 avec le plan 9 de ce dernier. Les parties 10 peuvent être rabattues à angle droit ou ressortir du plan du disque le long d'un arc comme dans l'exemple représenté -.Au moins l'extrémité des parties 10 est triangulaire et constitue une griffe qui s'enfonce dans le matériau du composant à fixer. Les dents sont rabattues vers l'extérieur de l'autre côté du disque l et, dans cette vue, seule la dent 4 et son échancrure 5 en
V sont visibles, car l'autre dent est cachée. The notches 8 that the circumferential edge of the elastic disc l comprises are formed by folding down parts of the latter which will be described in more detail with reference to FIGS. 2 and 3. FIG. 2 represents the view of the disc l in the direction of arrow II of FIG. 1, the plane of the disk corresponding to the surface 9. Four parts 10 folded down on this plane 9 are all oriented on the same side of the elastic disk l and register an angle of approximately 90 with the plane 9 of the latter . The parts 10 can be folded at a right angle or protrude from the plane of the disc along an arc as in the example shown - At least the end of the parts 10 is triangular and constitutes a claw which sinks into the material of the component to be fixed. The teeth are folded outwards on the other side of the disc 1 and, in this view, only the tooth 4 and its notch 5 in
V are visible because the other tooth is hidden.
La figure 3 représente le disque 1 en vue dans le sens de la flèche III de la figure 2, c'est-à-dire qu'elle le représente en étant tourné de 90O autour de son axe. Les griffes 10 de cette représentation coïncident avec celles de la figure 2, car elles sont décalées de 90" les unes par rapport aux autres à la circonférence du cercle. La figure 3 représente cependant la disposition des dents 3 et 4 qui sont orientées sur le plan 9 du disque suivant un angle cl d'environ 28". Cet angle peut cependant être adopté différemment en fonction de son utilisation envisagée, mais il est de préférence compris entre 20 et 30". Figure 3 shows the disc 1 in view in the direction of arrow III of Figure 2, that is to say that it represents it by being rotated 90O around its axis. The claws 10 of this representation coincide with those of FIG. 2, because they are offset by 90 "relative to each other at the circumference of the circle. FIG. 3 however represents the arrangement of the teeth 3 and 4 which are oriented on the plane 9 of the disc at an angle cl of about 28 ". This angle can however be adopted differently depending on its intended use, but it is preferably between 20 and 30 ".
La figure 4 est une coupe du système de fixation à l'aide duquel un premier composant 11 doit être assemblé avec un second composant 12. Le premier composant 11 comporte une protubérance 13 en forme de téton conique dont l'angle au sommet du cône est de 5". Cette protubérance 13 passe dans un trou 14 du second composant et le disque élastique 11 est repoussé sur l'extrémité libre de cette protubérance sur une distance suffisante pour que les griffes 10 s'enfoncent dans le matériau du composant 12. Figure 4 is a section of the fastening system with which a first component 11 must be assembled with a second component 12. The first component 11 has a protrusion 13 in the form of a conical stud whose angle at the top of the cone is 5 ". This protuberance 13 passes through a hole 14 in the second component and the elastic disc 11 is pushed onto the free end of this protuberance over a distance sufficient for the claws 10 to sink into the material of component 12.
Celui-ci et le disque élastique 1 sont ainsi bien assujettis par complémentarité de formes. Les dents 3 et 4 du disque 1 s'incrustent dans l'enveloppe de la protubérance 13 et empêchent ce disque de s'écarter de cette position. The latter and the elastic disc 1 are thus well secured by complementarity of shapes. The teeth 3 and 4 of the disc 1 become encrusted in the envelope of the protuberance 13 and prevent this disc from deviating from this position.
Claims (9)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9210099U DE9210099U1 (en) | 1992-07-28 | 1992-07-28 | Fastening arrangement for secure connection of two components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2694350A1 true FR2694350A1 (en) | 1994-02-04 |
| FR2694350B1 FR2694350B1 (en) | 1994-12-09 |
Family
ID=6882082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9307302A Expired - Fee Related FR2694350B1 (en) | 1992-07-28 | 1993-06-17 | Fixing system for the fixed position assembly of two components. |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE9210099U1 (en) |
| FR (1) | FR2694350B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520388A (en) * | 2019-02-02 | 2020-08-11 | 北京宝沃汽车有限公司 | Fastening assembly |
| TWI806929B (en) * | 2017-11-22 | 2023-07-01 | 美商賓工程工廠公司 | Easily removeable push-on spring nut |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4303534C2 (en) * | 1993-02-06 | 2003-07-03 | Behr Gmbh & Co | Plastic holder |
| DE202004002672U1 (en) * | 2004-02-20 | 2005-03-24 | Brose Fahrzeugteile | Attachment for two housing parts, preferably of window lifter, to body part forming bearer part has holding element with spring-elastic element near mounting opening that interacts with outer surface of journal |
| US8714898B2 (en) | 2012-01-09 | 2014-05-06 | Newfrey Llc | Shielding and insulation fastener |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2369380A (en) * | 1942-06-08 | 1945-02-13 | Tinnerman Products Inc | Fastening device |
| FR935278A (en) * | 1946-10-22 | 1948-06-15 | Raymond A | Improvement in fixing or locking devices suitable in particular for studs and rods of various shapes |
| GB1104836A (en) * | 1965-12-10 | 1968-02-28 | United Carr Inc | Sheet metal nut |
| FR2097924A5 (en) * | 1970-06-17 | 1972-03-03 | Trw Inc | |
| FR2282920A1 (en) * | 1974-07-23 | 1976-03-26 | Abrate Albert | Moulded plastic collar for ski stick - has metal insert washer with inner claws gripping stick |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6933661U (en) * | 1969-08-12 | 1969-12-04 | Rau Swf Autozubehoer | DEVICE FOR FASTENING AN EQUIPMENT, IN PARTICULAR A SWITCH OR THE SAME, IN THE DASHBOARD OF A MOTOR VEHICLE. |
| DE2930665C2 (en) * | 1979-07-28 | 1984-02-09 | Chemische Fabrik Kalk GmbH, 5000 Köln | Process for the production of foil connections |
| DE3346503A1 (en) * | 1983-12-22 | 1985-07-04 | Siemens AG, 1000 Berlin und 8000 München | Attachment element for parts which are to be connected to one another, spaced apart |
| DE3541931C1 (en) * | 1985-11-27 | 1986-08-14 | Daimler-Benz Ag, 7000 Stuttgart | Quick connection for holding a plug-in part in an opening of a carrier |
| DE8705154U1 (en) * | 1987-04-07 | 1988-08-04 | Siemens AG, 1000 Berlin und 8000 München | Two-part housing for a household appliance |
-
1992
- 1992-07-28 DE DE9210099U patent/DE9210099U1/en not_active Expired - Lifetime
-
1993
- 1993-06-17 FR FR9307302A patent/FR2694350B1/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2369380A (en) * | 1942-06-08 | 1945-02-13 | Tinnerman Products Inc | Fastening device |
| FR935278A (en) * | 1946-10-22 | 1948-06-15 | Raymond A | Improvement in fixing or locking devices suitable in particular for studs and rods of various shapes |
| GB1104836A (en) * | 1965-12-10 | 1968-02-28 | United Carr Inc | Sheet metal nut |
| FR2097924A5 (en) * | 1970-06-17 | 1972-03-03 | Trw Inc | |
| FR2282920A1 (en) * | 1974-07-23 | 1976-03-26 | Abrate Albert | Moulded plastic collar for ski stick - has metal insert washer with inner claws gripping stick |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI806929B (en) * | 2017-11-22 | 2023-07-01 | 美商賓工程工廠公司 | Easily removeable push-on spring nut |
| CN111520388A (en) * | 2019-02-02 | 2020-08-11 | 北京宝沃汽车有限公司 | Fastening assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2694350B1 (en) | 1994-12-09 |
| DE9210099U1 (en) | 1992-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |