FR2909143A1 - Blind bolt for pre-assembling large size element, has shank formed by plastic deformation of material for forming fiber and with smooth zones corrected and adjusted with bore of bush that receives grooves housing joints to seal zone - Google Patents
Blind bolt for pre-assembling large size element, has shank formed by plastic deformation of material for forming fiber and with smooth zones corrected and adjusted with bore of bush that receives grooves housing joints to seal zone Download PDFInfo
- Publication number
- FR2909143A1 FR2909143A1 FR0610348A FR0610348A FR2909143A1 FR 2909143 A1 FR2909143 A1 FR 2909143A1 FR 0610348 A FR0610348 A FR 0610348A FR 0610348 A FR0610348 A FR 0610348A FR 2909143 A1 FR2909143 A1 FR 2909143A1
- Authority
- FR
- France
- Prior art keywords
- elements
- rod
- bush
- zone
- bore
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 title abstract 2
- 239000000470 constituent Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 2
- 235000012569 Ficus capensis Nutrition 0.000 description 1
- 244000113426 Ficus capensis Species 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005096 rolling 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B31/00—Hand tools for applying fasteners
- B25B31/005—Hand tools for applying fasteners for temporarily connecting sheets before or during assembly operations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
Description
1 La présente invention est un boulon aveugle de pré assemblage destiné àThe present invention is a blind pre-assembly bolt for
maintenir sous tension des éléments pré usinés et devant être assemblés définitivement. De part sa haute résistance il permet le déplacement et le transport des éléments. Il offre l'avantage d'être démontable facilement et réutilisable immédiatement. keep pre-machined and permanently assembled components under tension. Due to its high resistance it allows the movement and transportation of the elements. It offers the advantage of being removable easily and reusable immediately.
Il est doté sur sa longueur d'une douille qui a pour but de servir de centrage des éléments pré assemblés. Avec l'ensemble des joints toriques, il offre également une bonne étanchéité empêchant le fluage des mastics destinés à créer l'étanchéité entre les éléments qui seront définitivement assemblés. Sa pose et sa dépose sont rapides. It is equipped on its length with a socket which aims to center the pre-assembled elements. With all the O-rings, it also offers a good seal preventing creep sealants intended to create the seal between the elements that will be permanently assembled. Its installation and removal are fast.
Cette invention sera détaillée dans le descriptif ci-après inclus. This invention will be detailed in the description below included.
2909143 2 5 LES ELEMENTS CONSTITUTIFS 10 Fig.2909143 2 5 THE CONSTITUENT ELEMENTS 10 Fig.
1 La tige Fig.1 The stem Fig.
2 La douille filetée Fig.2 The threaded bush Fig.
3 La douille lisse 15 Fig.3 The smooth bush 15 Fig.
4 Le jonc ressort Fig.4 The spring ring Fig.
5 Les éléments ouvrants Fig.The opening elements FIG.
6 La rondelle de protection Fig.6 The protective washer Fig.
7 Pour abrégé (7) La rondelle ressort (fourniture du commerce) (8) Le joint torique du couvercle (fourniture du commerce) 2909143 5 La tige Fig.7 Abbreviated (7) Spring washer (commercial supply) (8) O-ring cover (commercial supply) 2909143 5 The stem Fig.
1 La tige (1) est composée de plusieurs diamètres et d'un filetage. Elle est obtenue par déformation plastic du matériau matriçage afin d'obtenir un fibrage ce qui lui donne une bonne résistance à la tension.1 The rod (1) is composed of several diameters and a thread. It is obtained by plastic deformation of the matrix material in order to obtain a fiber drawing which gives it good resistance to tension.
10 Elle a une tête (1/1) suivie d'une face angulaire (2/1) raccordée par un rayon gaieté et une gorge (3/1) offrant une petite zone lisse raccordée elle aussi par un rayon gaieté rejoignant la zone lisse (6/1) et l'épaulement (4/1) qui lui aussi est raccordé par un rayon gaieté rejoignant la zone lisse (7/1) puis la gorge (5/1) et la zone lisse (8/1) et ensuite les zones 15 (9/1) et (10/1). Les zones (9/1) et (10/1) de cette tige sont parfaitement concentriques et reçoivent un usinage très fin sans trace d'outil pouvant provoquer une amorce de rupture. La zone (10/1) est raccordée par un rayon entre le dernier filet et la zone (9/1). Ce rayon est 20 tangent au diamètre de fond de filet et se raccorde à la face angulaire de l'amorce de rupture. Les zones (6/1) (7/1) (8/1) sont rectifiées et ajustées avec l'alésage (5/3) de la douille (3) Fig.3 afin d'obtenir un parfait glissement sans jeu. La zone (9/1) est usinée sans trace 25 d'outil, la zone (10/1) le filetage est obtenu par déformation plastic roulage avec entrée de filet rayonné, elle reçoit un chanfrein en entrée de filetage pour lui permettre une bonne prise de vissage dans la douille (2).It has a head (1/1) followed by an angular face (2/1) connected by a cheerful ray and a groove (3/1) providing a small smooth zone also connected by a cheerful ray joining the smooth zone (6/1) and the shoulder (4/1) which is also connected by a cheerful ray joining the smooth zone (7/1) then the groove (5/1) and the smooth zone (8/1) and then zones 15 (9/1) and (10/1). The zones (9/1) and (10/1) of this rod are perfectly concentric and receive a very fine machining without trace of tool that can cause a beginning of rupture. The zone (10/1) is connected by a radius between the last thread and the zone (9/1). This radius is tangent to the bottom diameter of the thread and is connected to the angular face of the breakaway leader. The zones (6/1) (7/1) (8/1) are ground and adjusted with the bore (5/3) of the sleeve (3) Fig.3 to obtain a perfect slip without play. zone (9/1) is machined without any trace of a tool, the zone (10/1) the threading is obtained by plastic deformation rolling with entry of radiated net, it receives a chamfer at the thread inlet to allow it a good grip screwing in the socket (2).
3 2909143 5 LES ELEMENTS OUVRANTS (5) Fig.5 Les éléments ouvrants sont des lames droites de différentes épaisseurs ajustées en fonction du diamètre du boulon de pré assemblage. Elles ont une extrémité avec un pli à 90 (3/5) à angle droit qui se loge dans la gorge (3/1) de la tige (1) Fig.1. Elles sont maintenues en 10 place par un joint torique dans la zone (1/5) suivie d'une zone lisse (7/5) qui rejoint une seconde gorge plus large (8/5) suivie d'une zone lisse (10/5) et d'une face (2/5) qui prend appui sur la face des éléments à assembler côté inaccessible. Par ailleurs la face inférieure des éléments ouvrants 5 (Fig. 5) est dotée après la zone de pli 15 à 90 (3/5) d'une zone lisse (11/5) et d'une gorge (4/5) dans laquelle prend place l'épaulement (4/1) de la tige (1) Fig. 1 dans la position "éléments fermés" suivie d'une zone lisse (9/5) qui rejoint par un angle la zone (5/5) des éléments ouvrants qui sont au nombre de 3 disposés à 120 . Leurs faces supérieures sont usinées de forme cylindrique zone (12/5), prenant le même rayon que celui de la douille (3) du boulon avant introduction. Ceci 20 permet une bonne introduction dans l'alésage prévu à cet effet et une extraction facile. Pour obtenir la dépose de ce boulon il suffit de libérer la tension sur la tige (1) en dévissant la douille (2) et en provoquant un jeu, puis une poussée sur la douille (2). Ceci facilite le retour en position initiale des éléments (5) sur le diamètre de la tige (1).3 2909143 5 THE OPENING ELEMENTS (5) Fig.5 The opening elements are straight blades of different thicknesses adjusted according to the diameter of the pre-assembly bolt. They have an end with a fold at 90 (3/5) at right angle which is housed in the groove (3/1) of the rod (1) Fig.1. They are held in place by an O-ring in the zone (1/5) followed by a smooth zone (7/5) which joins a second wider groove (8/5) followed by a smooth zone (10 / 5) and a face (2/5) which bears on the face of the elements to be assembled inaccessible side. Furthermore, the underside of the opening elements 5 (FIG 5) is provided after the fold zone 15 to 90 (3/5) of a smooth zone (11/5) and a groove (4/5) in which takes place the shoulder (4/1) of the rod (1) FIG. 1 in the position "closed elements" followed by a smooth zone (9/5) which joins by an angle the zone (5/5) of the opening elements which are 3 in number arranged at 120. Their upper faces are machined cylindrical zone (12/5), taking the same radius as that of the sleeve (3) of the bolt before introduction. This allows a good introduction into the bore provided for this purpose and easy extraction. To remove this bolt simply release the tension on the rod (1) by unscrewing the sleeve (2) and causing a game, then a push on the sleeve (2). This facilitates the return to initial position of the elements (5) on the diameter of the rod (1).
4 25 2909143 5 LA DOUILLE LISSE (3) Fig.4 THE SMOOTH SLEEVE (3) FIG.
3 La douille lisse (3) est composée d'une zone lisse (2/3) et reçoit sur son diamètre extérieur deux gorges (3/3) destinées à loger des joints toriques pour étanchéité de cette zone puis d'une seconde zone lisse (4/3) destinée à prolonger la douille lisse vers la deuxième zone 10 des éléments à assembler de par sont diamètre extérieur ajusté aux différents alésages des éléments à assembler. Son diamètre extérieur a également pour but d'indexer les éléments entre eux ce qui permet à l'utilisateur de se servir de ce boulon comme base pour une fixation définitive. Elle 15 a également une face (1/3) parfaitement perpendiculaire avec son alésage (5/3) et son diamètre extérieur qui se reproduit également sur la face (6/3). Par ailleurs son alésage (5/3) est ajusté avec le diamètre de la zone (7/1) et(8/1) de la tige (1) afin d'obtenir un centrage parfait des éléments constitutifs de ce boulon aveugle de pré 20 assemblage.3 The smooth bush (3) consists of a smooth zone (2/3) and receives on its outer diameter two grooves (3/3) intended to house O-rings for sealing this zone and then a second smooth zone (4/3) for extending the smooth bushing to the second zone 10 of the elements to be assembled by are outer diameter adjusted to the different bores of the elements to be assembled. Its outer diameter also aims to index the elements between them which allows the user to use this bolt as a basis for a final fixation. It also has a face (1/3) perfectly perpendicular with its bore (5/3) and its outside diameter which is also reproduced on the face (6/3). Moreover its bore (5/3) is adjusted with the diameter of the zone (7/1) and (8/1) of the rod (1) in order to obtain a perfect centering of the constituent elements of this blind blind bolt. Assembly.
5 2909143 5 La douille filetée (2) Fig.The threaded bush (2) Fig.
2 La douille filetée (2) est composée d'un diarnètre lisse (1/2) puis d'une tête (2/2) avec un dessous de tête à embrèvement (3/2) du même angle que celui de la rondelle ressort (10) suivie d'une zone (8/2) qui prend appui sur la rondelle (11) Fig.6 dans le cas de mise sous 10 tension maximale. Elle est également dotée d'une empreinte six pans (4/2). Par ailleurs sa face d'appui (5/2) prend assise sur la face d'appui (1/3) de la douille (3) Fig. 3. Dans ses alésages (6/2) et (7/2) la douille (2) est dotée d'un filetage zone (6/2) qui reçoit celui de la zone (10/1) de la tige (1) puis d'un second filetage (7/2) qui lui, est 15 destiné à recevoir un extracteur à masselotte pour permettre un enlèvement facile de la douille (2) si besoin est.2 The threaded bushing (2) is composed of a smooth diameter (1/2) then a head (2/2) with a recessed head (3/2) of the same angle as that of the spring washer (10) followed by a zone (8/2) which bears on the washer (11) Fig.6 in the case of maximum tensioning. It also has a hexagonal imprint (4/2). Moreover, its support surface (5/2) sits on the bearing face (1/3) of the bushing (3). 3. In its bores (6/2) and (7/2) the bushing (2) is provided with a thread (6/2) which receives that of the zone (10/1) of the rod (1) then a second thread (7/2) which is intended to receive a feeder extractor to allow easy removal of the sleeve (2) if necessary.
6 Son empreinte (4/2) peut être réalisée à la demande de l'utilisateur sous d'autres formes.6 Its imprint (4/2) can be made at the request of the user in other forms.
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0610348A FR2909143A1 (en) | 2006-11-27 | 2006-11-27 | Blind bolt for pre-assembling large size element, has shank formed by plastic deformation of material for forming fiber and with smooth zones corrected and adjusted with bore of bush that receives grooves housing joints to seal zone |
FR0708267A FR2909144B1 (en) | 2006-11-27 | 2007-11-27 | BLIND BOLT OF PRE ASSEMBLY |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0610348A FR2909143A1 (en) | 2006-11-27 | 2006-11-27 | Blind bolt for pre-assembling large size element, has shank formed by plastic deformation of material for forming fiber and with smooth zones corrected and adjusted with bore of bush that receives grooves housing joints to seal zone |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2909143A1 true FR2909143A1 (en) | 2008-05-30 |
Family
ID=39367299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0610348A Pending FR2909143A1 (en) | 2006-11-27 | 2006-11-27 | Blind bolt for pre-assembling large size element, has shank formed by plastic deformation of material for forming fiber and with smooth zones corrected and adjusted with bore of bush that receives grooves housing joints to seal zone |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2909143A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104405754A (en) * | 2014-12-11 | 2015-03-11 | 中国航空工业标准件制造有限责任公司 | Self locking blind hole nut |
CN105179426A (en) * | 2015-10-28 | 2015-12-23 | 苏州道众机械制造有限公司 | Anti-loose threaded rod of vehicle wheel |
CN111022471A (en) * | 2019-12-26 | 2020-04-17 | 海盐县久力紧固件有限公司 | Non-standard sealing bolt for automobile |
-
2006
- 2006-11-27 FR FR0610348A patent/FR2909143A1/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104405754A (en) * | 2014-12-11 | 2015-03-11 | 中国航空工业标准件制造有限责任公司 | Self locking blind hole nut |
CN105179426A (en) * | 2015-10-28 | 2015-12-23 | 苏州道众机械制造有限公司 | Anti-loose threaded rod of vehicle wheel |
CN111022471A (en) * | 2019-12-26 | 2020-04-17 | 海盐县久力紧固件有限公司 | Non-standard sealing bolt for automobile |
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