FR2690490A1 - Assembly of part against wall of hollow body - comprises first threaded part fixed on part to assembly, second complementary threaded part used as aligning socket, where second threaded part, aligning socket are single piece - Google Patents
Assembly of part against wall of hollow body - comprises first threaded part fixed on part to assembly, second complementary threaded part used as aligning socket, where second threaded part, aligning socket are single piece Download PDFInfo
- Publication number
- FR2690490A1 FR2690490A1 FR9205172A FR9205172A FR2690490A1 FR 2690490 A1 FR2690490 A1 FR 2690490A1 FR 9205172 A FR9205172 A FR 9205172A FR 9205172 A FR9205172 A FR 9205172A FR 2690490 A1 FR2690490 A1 FR 2690490A1
- Authority
- FR
- France
- Prior art keywords
- threaded
- hollow body
- assembly
- wall
- flared
- 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
- 230000000295 complement effect Effects 0.000 title claims abstract description 8
- 238000005192 partition Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010141 design making Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- 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
- F16B37/00—Nuts or like thread-engaging 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
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/025—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread specially designed to compensate for misalignement or to eliminate unwanted play
Abstract
Description
La présente invention concerne un assemblage d'une pièce contre une paroi d'un corps creux au moyen d'une liaison filetée. The present invention relates to an assembly of a part against a wall of a hollow body by means of a threaded connection.
L'invention concerne notamment un agencement permettant un assemblage "en aveugle" et plus particulièrement lorsqu'il existe un défaut d'alignement entre les orifices du corps creux à travers lesquels s'étendent les deux organes filetés complémentaires. The invention relates in particular to an arrangement allowing an assembly "blind" and more particularly when there is a misalignment between the orifices of the hollow body through which the two complementary threaded members extend.
Une conception permettant de résoudre ces problèmes fait l'objet du document EP-A-0.390.751 qui décrit et représente un assemblage au moyen d'une liaison filetée du type comportant un premier organe fileté fixé sur la pièce à assembler et qui s'étend axialement à l'intérieur du corps creux à travers un orifice formé dans la paroi et un second organe fileté complémentaire dont une tête d'entraînement en rotation est accessible à l'extérieur du corps creux et qui est relié à une douille de centrage comportant une ouverture évasée qui est susceptible de coopérer avec une portion d'extrémité du premier organe fileté de manière à faciliter l'alignement des axes des deux organes filetés préalablement à leur vissage, le bord annulaire d'extrémité de la douille de centrage prenant appui contre la face interne de la paroi pour permettre le serrage de l'assemblage. A design making it possible to solve these problems is the subject of document EP-A-0.390.751 which describes and represents an assembly by means of a threaded connection of the type comprising a first threaded member fixed on the part to be assembled and which s' extends axially inside the hollow body through an orifice formed in the wall and a second complementary threaded member, a rotary drive head of which is accessible outside the hollow body and which is connected to a centering sleeve comprising a flared opening which is capable of cooperating with an end portion of the first threaded member so as to facilitate the alignment of the axes of the two threaded members prior to their screwing, the annular end edge of the centering sleeve bearing against the internal face of the wall to allow tightening of the assembly.
Dans ce document, le second organe fileté est une tige filetée et la douille de centrage est enfilée axialement sur le corps de la tige filetée avec une possibilité de débattement axial relatif entre ces deux éléments, la tige filetée comportant de plus un anneau élastique qui limite les possibilités de débattement relatif entre les deux éléments et évite leur séparation préalablement à l'opération d'assemblage. In this document, the second threaded member is a threaded rod and the centering sleeve is threaded axially on the body of the threaded rod with a possibility of relative axial movement between these two elements, the threaded rod further comprising an elastic ring which limits the possibilities of relative movement between the two elements and avoids their separation prior to the assembly operation.
La structure de l'assemblage décrit dans ce document est donc particulièrement complexe et elle ne permet pas d'assurer de manière fiable la fonction de centrage dans la mesure où la douille de centrage peut initialement occuper une position haute par rapport à la tige filetée dans laquelle elle ne peut plus assurer correctement la fonction de centrage car c'est alors l'extrémité libre de la tige filetée qui vient la première en contact avec la portion d'extrémité en vis à vis de l'écrou. The structure of the assembly described in this document is therefore particularly complex and it does not make it possible to reliably ensure the centering function since the centering sleeve can initially occupy a high position relative to the threaded rod in which it can no longer properly ensure the centering function because it is then the free end of the threaded rod which comes first into contact with the end portion opposite the nut.
Afin de remédier à ces inconvénients, l'invention propose un assemblage du type mentionné précédemment, du type caractérisé en ce que le second organe fileté et la douille de centrage sont réalisés en une seule pièce. In order to remedy these drawbacks, the invention proposes an assembly of the type mentioned above, of the type characterized in that the second threaded member and the centering sleeve are made in one piece.
Selon d'autres caractéristiques de l'invention
- le premier organe est fileté extérieurement et le second organe fileté comporte un manchon cylindrique taraudé dont une première extrémité se prolonge axialement par une tige d'entraînement en rotation et dont la seconde extrémité se prolonge par une collerette évasée
- la collerette évasée est de forme tronconique
- le premier organe fileté est une tige filetée dont l'extrémité comporte un bout pilote conique et/ou cylindrique qui coopère avec la collerette évasée
- le rayon intérieur du bord annulaire d'extrémité de la collerette évasée est supérieur ou égal à la valeur maximale du défaut d'alignement entre les axes des deux organes filetés
- le corps creux comporte une seconde paroi parallèle et dans laquelle est formée une ouverture pour l'introduction axiale du second organe fileté à l'intérieur du corps creux, la face interne de la seconde paroi comportant une virole de guidage axial dont le diamètre intérieur est légèrement supérieur au diamètre extérieur du bord annulaire d'extrémité de la collerette évasée
- la virole de guidage s'étend axialement sur une longueur déterminée de manière que le guidage axial de la collerette évasée lors de son introduction dans le corps creux cesse préalablement à la venue en contact de la collerette avec la portion d'extrémité de la tige filetée.According to other features of the invention
- the first member is externally threaded and the second threaded member comprises a threaded cylindrical sleeve, a first end of which is extended axially by a rotary drive rod and the second end of which is extended by a flared collar
- the flared collar is tapered
- The first threaded member is a threaded rod, the end of which has a conical and / or cylindrical pilot end which cooperates with the flared collar
- the internal radius of the annular end edge of the flared flange is greater than or equal to the maximum value of the misalignment between the axes of the two threaded members
- The hollow body has a second parallel wall and in which is formed an opening for the axial introduction of the second threaded member inside the hollow body, the internal face of the second wall comprising an axial guide ring whose internal diameter is slightly greater than the outside diameter of the annular end edge of the flared flange
- The guide ring extends axially over a determined length so that the axial guidance of the flared flange during its introduction into the hollow body ceases before the flange comes into contact with the end portion of the rod threaded.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre pour la compréhension de laquelle on se reportera au dessin annexé dans lequel
- La figure 1 est une vue en coupe axiale d'un assemblage réalisé conformément aux enseignements de l'invention qui est illustrée dans la position non assemblée ; et
- la figure 2 est une vue similaire à celle de la figure 1 dans laquelle l'assemblage est illustré en position assemblée.Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawing in which
- Figure 1 is an axial sectional view of an assembly produced in accordance with the teachings of the invention which is illustrated in the unassembled position; and
- Figure 2 is a view similar to that of Figure 1 in which the assembly is illustrated in the assembled position.
L'assemblage illustré aux figures concerne par exemple la fixation d'une pièce 10 telle qu'un climatiseur de véhicule automobile sur la traverse inférieure 12 du tablier d'auvent 14 du véhicule. The assembly illustrated in the figures relates for example to the fixing of a part 10 such as an air conditioner of a motor vehicle on the lower cross member 12 of the awning apron 14 of the vehicle.
La traverse 12 avec le tablier 14 constitue un corps creux 16 qui est délimité par une première cloison constituée par le tablier 14 proprement dit et par une seconde cloison parallèle 18 constituée par la face supérieure de la traverse 12. The cross member 12 with the deck 14 constitutes a hollow body 16 which is delimited by a first partition constituted by the deck 14 proper and by a second parallel partition 18 formed by the upper face of the cross member 12.
La cloison 14 comporte un trou 17 à travers lequel s'étend une tige filetée 20 dont une première extrémité 22 est fixée par soudage sur une patte 24 du climatiseur 10 par l'intermédiaire d'une pince 26. The partition 14 has a hole 17 through which a threaded rod 20 extends, a first end 22 of which is fixed by welding to a lug 24 of the air conditioner 10 by means of a clamp 26.
La patte 24 s'étend dans un plan sensiblement perpendiculaire à l'axe X-X de la tige filetée 20 et prend appui axialement contre la face externe 28 de la paroi 14. The tab 24 extends in a plane substantially perpendicular to the axis X-X of the threaded rod 20 and bears axially against the external face 28 of the wall 14.
La tige filetée 20 s'étend axialement à l'intérieur du corps creux 16 et son extrémité libre 30 située à l'intérieur du corps creux est réalisée sous la forme d'un bout pilote non fileté qui présente un profil de révolution cylindrique et tronconique. The threaded rod 20 extends axially inside the hollow body 16 and its free end 30 located inside the hollow body is produced in the form of a non-threaded pilot end which has a cylindrical and frustoconical profile of revolution. .
La tige filetée 20 est prévue pour coopérer par vissage avec un organe fileté complémentaire en vue du serrage axial de la patte 24 contre la face 28 de la paroi 14. The threaded rod 20 is designed to cooperate by screwing with a complementary threaded member for the axial tightening of the tab 24 against the face 28 of the wall 14.
L'organe fileté complémentaire est un écrou 32 constitué par un manchon cylindrique 34 d'axe Y-Y qui comporte un taraudage borgne 36. The complementary threaded member is a nut 32 constituted by a cylindrical sleeve 34 of axis Y-Y which includes a blind thread 36.
Le manchon taraudé 34 se prolonge à son extrémité supérieure, en considérant les figures, par une tige d'entraînement en rotation 35 qui comporte une tête d'entraînement en rotation 37 à six pans. The threaded sleeve 34 is extended at its upper end, considering the figures, by a rotary drive rod 35 which comprises a rotary drive head 37 with hexagon.
L'ensemble constitué par le manchon taraudé 34 et la tige 36 constitue donc un écrou prévu pour être vissé sur la tige filetée 20. The assembly constituted by the threaded sleeve 34 and the rod 36 therefore constitutes a nut intended to be screwed onto the threaded rod 20.
L'extrémité inférieure du manchon 32 se prolonge par une collerette évasée tronconique 38 dont la surface conique interne 40 a pour fonction de coopérer avec le bout pilote 30 de la tige filetée 20 afin, lors de l'introduction de l'écrou 32 dans le corps creux 16, de centrer les deux organes filetés l'un par rapport à l'autre, afin de compenser le défaut d'alignement "d" entre les axes X-X, et Y-Y. The lower end of the sleeve 32 is extended by a tapered flared collar 38 whose internal conical surface 40 has the function of cooperating with the pilot end 30 of the threaded rod 20 so, during the introduction of the nut 32 into the hollow body 16, to center the two threaded members relative to one another, in order to compensate for the misalignment "d" between the axes XX, and YY.
La collerette évasée 38 se termine axialement par un bord annulaire d'extrémité 41 qui, en position assemblée, est prévu pour venir coopérer avec la face interne 42 de la cloison 14 afin de permettre le serrage axial de l'ensemble. The flared flange 38 ends axially with an annular end edge 41 which, in the assembled position, is designed to cooperate with the internal face 42 of the partition 14 in order to allow the axial clamping of the assembly.
Dans le mode de réalisation illustré aux figures, le manchon taraudé 34, la tige d'entraînement 35 et la collerette de centrage 38 sont réalisés venus de matière entre une seule pièce. In the embodiment illustrated in the figures, the threaded sleeve 34, the drive rod 35 and the centering flange 38 are produced integrally between a single piece.
La face interne 44 de la cloison supérieure 18 comporte une virole 46 de guidage axial de la collerette évasée 38 au début de la phase d'introduction axiale de cette dernière dans le corps creux 16. The internal face 44 of the upper partition 18 includes a ferrule 46 for axially guiding the flared flange 38 at the start of the phase of axial introduction of the latter into the hollow body 16.
La virole de guidage 46 est réalisée sous la forme d'une pièce rapportée, métallique ou en matière plastique, dont le diamètre intérieur est légèrement supérieur au diamètre extérieur du bord annulaire d'extrémité 41 de la collerette de centrage 38. The guide ring 46 is produced in the form of a metal or plastic insert, the internal diameter of which is slightly greater than the external diameter of the annular end edge 41 of the centering collar 38.
On décrira maintenant le mode d'utilisation de l'assemblage en référence aux figures 1 et 2. The mode of use of the assembly will now be described with reference to FIGS. 1 and 2.
En partant de la position illustrée à la figure 1, l'utilisateur introduit manuellement, ou au moyen d'un robot d'assemblage, le manchon taraudé 34 axialement à l'intérieur du corps creux 16. Starting from the position illustrated in FIG. 1, the user introduces manually, or by means of an assembly robot, the threaded sleeve 34 axially inside the hollow body 16.
Dans la première phase de cette introduction, la collerette de centrage 38, et donc le manchon taraudé 34, sont guidés axialement dans la virole 46 et l'axe Y-Y reste sensiblement coaxial à la virole 46 et au trou 19 formé dans la cloison supérieure 18. In the first phase of this introduction, the centering collar 38, and therefore the threaded sleeve 34, are guided axially in the ferrule 46 and the axis YY remains substantially coaxial with the ferrule 46 and the hole 19 formed in the upper partition 18 .
Ce guidage se poursuit jusqu'à ce que le bord d'extrémité libre 41 de la collerette de centrage 38 dépasse axialement le bord d'extrémité libre 48 de la virole. This guidance continues until the free end edge 41 of the centering flange 38 extends axially beyond the free end edge 48 of the shell.
Au delà de cette position axiale, le manchon taraudé 34 avec sa collerette de centrage 38 sont susceptibles de se déplacer selon une direction transversale sensiblement perpendiculaire aux axes X-X et Y-Y. Beyond this axial position, the threaded sleeve 34 with its centering flange 38 are capable of moving in a transverse direction substantially perpendicular to the axes X-X and Y-Y.
Cette possibilité de déplacement transversal va permettre l'alignement progressif des axes des deux organes filetés du fait de la coopération du bout pilote 30 avec la surface interne tronconique 40 de la collerette de centrage 38. This possibility of transverse displacement will allow the progressive alignment of the axes of the two threaded members due to the cooperation of the pilot end 30 with the frustoconical internal surface 40 of the centering collar 38.
On a illustré à la figure 1, en trait mixte, une position intermédiaire du manchon taraudé 32 juste avant que ne débute l'opération de centrage. Is illustrated in Figure 1, in phantom, an intermediate position of the threaded sleeve 32 just before the centering operation begins.
En prolongeant l'introduction axiale du manchon taraudé 32 dans le corps creux 16, les axes vont être progressivement alignés et le bout pilote 30 va pénétrer dans le manchon taraudé 34. By extending the axial introduction of the threaded sleeve 32 into the hollow body 16, the axes will be gradually aligned and the pilot end 30 will penetrate into the threaded sleeve 34.
A partir de cette position axiale, il devient possible d'effectuer le vissage du manchon taraudé 34 sur la tige filetée 20 jusqu'à la position de serrage de l'assemblage illustré à la figure 2 dans laquelle le bord annulaire d'extrémité 41 de la collerette de centrage 38 est en appui contre la face interne 42 de la paroi 14. From this axial position, it becomes possible to screw the threaded sleeve 34 onto the threaded rod 20 to the clamping position of the assembly illustrated in FIG. 2 in which the annular end edge 41 of the centering collar 38 is in abutment against the internal face 42 of the wall 14.
Afin de garantir que la collerette de centrage permet d'assurer dans tous les cas l'alignement des axes des deux organes filetés complémentaires, il faut prévoir que le rayon intérieur du bord annulaire d'extrémité 41 de la collerette de centrage 38 est au moins égal à la valeur maximale admissible du défaut d'alignement initial des axes résultant des tolérances de fabrication des différents éléments de l'assemblage, et notamment du défaut d'alignement des trous 17 et 19. In order to guarantee that the centering collar makes it possible in all cases to align the axes of the two complementary threaded members, it is necessary to provide that the internal radius of the annular end edge 41 of the centering collar 38 is at least equal to the maximum admissible value of the initial alignment defect of the axes resulting from the manufacturing tolerances of the various elements of the assembly, and in particular of the misalignment of the holes 17 and 19.
Le phénomène d'alignement est bien entendu rendu possible du fait que les sections des trous 17 et 19 sont nettement supérieures à celles de la tige filetée 20 et de la queue d'entraînement 35 ce qui permet un déplacement transversal relatif de ces deux pièces ainsi que des déplacements des pièces par rapport à la traverse 12. The alignment phenomenon is of course made possible by the fact that the sections of the holes 17 and 19 are clearly greater than those of the threaded rod 20 and the drive shank 35 which allows relative transverse movement of these two parts as well as displacements of the parts with respect to the cross member 12.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9205172A FR2690490A1 (en) | 1992-04-27 | 1992-04-27 | Assembly of part against wall of hollow body - comprises first threaded part fixed on part to assembly, second complementary threaded part used as aligning socket, where second threaded part, aligning socket are single piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9205172A FR2690490A1 (en) | 1992-04-27 | 1992-04-27 | Assembly of part against wall of hollow body - comprises first threaded part fixed on part to assembly, second complementary threaded part used as aligning socket, where second threaded part, aligning socket are single piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2690490A1 true FR2690490A1 (en) | 1993-10-29 |
| FR2690490B1 FR2690490B1 (en) | 1994-07-13 |
Family
ID=9429288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9205172A Granted FR2690490A1 (en) | 1992-04-27 | 1992-04-27 | Assembly of part against wall of hollow body - comprises first threaded part fixed on part to assembly, second complementary threaded part used as aligning socket, where second threaded part, aligning socket are single piece |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2690490A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1284219A3 (en) * | 2001-08-14 | 2004-04-07 | Fuji Jukogyo Kabushiki Kaisha | Structure for attaching a part to a vehicle |
| US20220316366A1 (en) * | 2019-10-21 | 2022-10-06 | Mitsubishi Electric Corporation | Valve timing adjustment device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB980606A (en) * | 1963-10-22 | 1965-01-13 | Bishop & Babcock Corp | Improvements in and relating to fastening devices |
| US3414304A (en) * | 1966-11-22 | 1968-12-03 | Hi Shear Corp | Apparatus for fastening a discontinuous body to another structure and the resulting joint |
| DE2114130B1 (en) * | 1971-03-24 | 1972-02-03 | Opel Adam Ag | Plug nut |
| FR2409409A1 (en) * | 1977-11-21 | 1979-06-15 | Meschnig Albin | PLATE FIXING DEVICE |
| DE2824491A1 (en) * | 1978-06-03 | 1979-12-06 | Dieter Josef Leismann | Nut and bolt assembly - has plain spigot or bore to aid alignment and prevent faulty thread engagement |
| EP0390751A1 (en) * | 1989-03-30 | 1990-10-03 | FIAT AUTO S.p.A. | A device for fixing mechanical parts to the body of a motor vehicle |
-
1992
- 1992-04-27 FR FR9205172A patent/FR2690490A1/en active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB980606A (en) * | 1963-10-22 | 1965-01-13 | Bishop & Babcock Corp | Improvements in and relating to fastening devices |
| US3414304A (en) * | 1966-11-22 | 1968-12-03 | Hi Shear Corp | Apparatus for fastening a discontinuous body to another structure and the resulting joint |
| DE2114130B1 (en) * | 1971-03-24 | 1972-02-03 | Opel Adam Ag | Plug nut |
| FR2409409A1 (en) * | 1977-11-21 | 1979-06-15 | Meschnig Albin | PLATE FIXING DEVICE |
| DE2824491A1 (en) * | 1978-06-03 | 1979-12-06 | Dieter Josef Leismann | Nut and bolt assembly - has plain spigot or bore to aid alignment and prevent faulty thread engagement |
| EP0390751A1 (en) * | 1989-03-30 | 1990-10-03 | FIAT AUTO S.p.A. | A device for fixing mechanical parts to the body of a motor vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1284219A3 (en) * | 2001-08-14 | 2004-04-07 | Fuji Jukogyo Kabushiki Kaisha | Structure for attaching a part to a vehicle |
| US20220316366A1 (en) * | 2019-10-21 | 2022-10-06 | Mitsubishi Electric Corporation | Valve timing adjustment device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2690490B1 (en) | 1994-07-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |