FR2480836A1 - Connector for tubular rods such as scaffolding poles - has two hinged halves locked about pole with wedge key bolt - Google Patents
Connector for tubular rods such as scaffolding poles - has two hinged halves locked about pole with wedge key bolt Download PDFInfo
- Publication number
- FR2480836A1 FR2480836A1 FR8008535A FR8008535A FR2480836A1 FR 2480836 A1 FR2480836 A1 FR 2480836A1 FR 8008535 A FR8008535 A FR 8008535A FR 8008535 A FR8008535 A FR 8008535A FR 2480836 A1 FR2480836 A1 FR 2480836A1
- Authority
- FR
- France
- Prior art keywords
- upright
- slot
- crown
- tongue
- key
- 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
- 238000007373 indentation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
- E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
- E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
Dispositif de connexion pour éléments tubulaires notamment d'écha fardage
Il existe de nombreux dispositifs pour réaliser un "noeud8' d'assemblage d'éléments tubulaires, c'est-à-dire de réaliser la liaison de plusieurs éléments tubulaires sensiblement horizontaux sur un montant vertical. Dans ce genre de dispositifs on peut définir deux groupes selon que la pièce intermédiaire d'assemblage des éléments tubulaires ou lisse est ou non amovible par rapport au montant.Connection device for tubular elements including dunnage scaffolding
There are many devices for producing a "node8 'for assembling tubular elements, that is to say for making the connection of several substantially horizontal tubular elements on a vertical post. In this type of device, two can be defined groups depending on whether the intermediate piece of assembly of the tubular or smooth elements is or is not removable relative to the upright.
L'invention est relative aux assemblages dans lesquels ladite pièce est amovible. I1 est un dispositif connu de ce type comportant une pièce de liaison constituée par un genre de collier en deux parties articulées, chaque demi-collier comportant une paroi intérieure et une paroi extérieure en matériau mince donc relativement déformable définissant entre elles des alvéoles de mise en place d'éléments males solidaires desdites lisses. La paroi int6- rieure d'au moins l'un de ces demi-colliers est pourvue d'un évidement permettant l'indexation de la pièce sur un ergot faisant saillie sur le montant.Cette pièce étant disposée autour du montant est refermée par une clavette qui coopère avec des boucles inverses ménagées à l'extrémité non articulée de chaque demi-collier résultant de la jonction desdites parois intérieures et extérieures susdites. The invention relates to assemblies in which said part is removable. I1 is a known device of this type comprising a connecting piece constituted by a kind of collar in two articulated parts, each half-collar comprising an inner wall and an outer wall made of thin material therefore relatively deformable defining between them placing cells place of male elements integral with said healds. The inner wall of at least one of these half-collars is provided with a recess allowing the part to be indexed on a lug projecting from the upright. This part being arranged around the upright is closed by a key which cooperates with reverse loops formed at the non-articulated end of each half-collar resulting from the junction of said interior and exterior walls mentioned above.
En enfonçant la clavette dans ces boucles on tend le collier autour du montant d'une part et d'autre part on provoque un rapprochement de la paroi extérieure vers la paroi intérieure engendrant un serrage des éléments males susdits dans la pièce de liaison.By pressing the key into these loops, the collar is stretched around the upright on the one hand and on the other hand, the outer wall is brought closer to the inner wall, causing the above-mentioned male elements to be tightened in the connecting piece.
Ce dispositif présente deux inconvénients majeurs. This device has two major drawbacks.
Le premier réside dans les difficultés de montage et de mise en place de la pièce sur le montant,car car il faut placer l'ergot d'indexation susdit dans l'évidement du collier,ce ce dernier étant ouvert, puis il faut en assurer la fermeture au moyen de la clavette sans trop serrer pour pouvoir mettre en place les lisses. Le second provient du fait que > si tous les alvéoles ne sont pas occupés par les lisses, le serrage de ces dernières dans le collier est non régulier et aléatoire.The first lies in the difficulties of mounting and setting up the part on the upright, because because it is necessary to place the aforementioned indexing lug in the recess of the collar, the latter being open, then it is necessary to ensure it the closure by means of the key without tightening too much to be able to set up the beams. The second comes from the fact that> if all the cells are not occupied by the healds, the tightening of the latter in the collar is irregular and random.
La présente invention entend remédier à ces deux inconvénients en proposant un système d'assemblage plus simple à mettre en place et permettant une fixation sure des lisses sur le montant quel qu'en soit le nombre. The present invention intends to remedy these two drawbacks by proposing an assembly system which is simpler to put in place and which allows the beams to be fixed securely to the upright, whatever the number.
A cet effet la présente invention a donc pour objet un dispositif de connexion pour éléments tubulaires notamment d'échafaudage, constitué par une couronne susceptible d'être attelée de manière amovible autour d'un montant, ladite couronne comportant une pluralité d'alvéoles dont chacun d'eux est susceptible de recevoir un élément mâle correspondant solidaire de l'extrémité d'un élément tubulaire à connecter audit montant. To this end, the present invention therefore relates to a connection device for tubular elements, in particular scaffolding, constituted by a crown capable of being removably coupled around an upright, said crown comprising a plurality of cells each of which from them is capable of receiving a corresponding male element secured to the end of a tubular element to be connected to said upright.
Selon l'une des caractéristiques principales de l'invention ladite couronne est en deux parties rigides et indéformables articulées autour d'une charnière l'une de leurs extrémités et comportant à leur autre extrémité des moyens pour assurer leur verrouillage mutuel et leur serrage autour du montant, chacuoedesdites parties comportant une collerette inférieure coaxiale audit montant pourvue d'encoches sensiblement radiales susceptibles de recevoir au moins un ergot solidaire du montrant. According to one of the main characteristics of the invention, said crown is in two rigid and non-deformable parts articulated around a hinge at one of their ends and comprising at their other end means for ensuring their mutual locking and their tightening around the upright, each of said parts comprising a lower flange coaxial with said upright provided with substantially radial notches capable of receiving at least one lug secured to the showing.
De manière préférée, les moyens de verrouillage et de serrage susdits sont constitués par une languette solidaire de l'une des parties de couronne susdites, par une fente ménagée dans l'autre partie pour recevoir librement ladite languette et par une clavette à pente coopérant avec un bord de la languette et des rebords conjugués prévus dans les parois délimitant ladite fente pour forcer et maintenir l'engagement de la languette dans ladite fente. Preferably, the aforementioned locking and tightening means are constituted by a tongue integral with one of the aforementioned crown parts, by a slot made in the other part for freely receiving said tongue and by a sloping key cooperating with an edge of the tongue and mating flanges provided in the walls delimiting said slot to force and maintain the engagement of the tongue in said slot.
L'invention sera mieux comprise au cours de la description donnée ci-après à titre d'exemple purement indicatif et non limitatif qui permettra d'en dégager les avantages et les carac téristiques secondaires. The invention will be better understood during the description given below by way of purely indicative and nonlimiting example which will make it possible to identify the advantages and the secondary characteristics.
I1 sera fait référence aux dessins annexés dans lesquels
- la figure 1 est une vue générale en perspective de la pièce de liaison mise en oeuvre dans le dispositif de connexion selon l'invention;
- la figure 2 est une illustration du dispositif de connexion de l'invention appliqué à la mise en place d'une lisse entre deux montants. Reference will be made to the accompanying drawings in which
- Figure 1 is a general perspective view of the connecting piece used in the connection device according to the invention;
- Figure 2 is an illustration of the connection device of the invention applied to the establishment of a heddle between two uprights.
En se reportant tout d'abord à la figure 1 on voit un montant tubulaire 1 pourvu de place en place, par exemple selon un pas déterminé,d'ergots 2 rapportés par soudage sur la surface extérieure du tube. Une pièce de liaison est référencée 3. Elle est constituée de deux demi-couronnes 3a et 3b rigides et indéformables en métal coulé ou estampé limitées intérieurement par une surface cylindrique de diamètre légèrement inférieur à celui extérieur du tube 1. Chaque demi-couronne comporte deux alvéoles 4a 5a et 4b, 5b susceptibles de recevoir une partie male solidaire de ltextrémité d'un élément tubulaire - ou lisse - non représenté.Les deux demi-couronnes 3a et 3b sont articulées entre elles autour d'une charnière 6 par l'une de leurs extrémités,tandis que la couronne 3a possède à son autre extrémité une languette 7 en forme de crochet qui peut être introduite librement dans une fente 8 ménagée dans l'autre demi-couronne 3b. Cette fente 8 est délimitée par deux parois 8a et 8b au travers desquelles une clavette à pente 9 peut être introduite. On notera que pour le passage de cette clavette 9 les parois 8a et 8b sont pourvues d'ouvertures telles que 10. Referring first to Figure 1 we see a tubular upright 1 provided from place to place, for example according to a determined pitch, lugs 2 reported by welding on the outer surface of the tube. A connecting piece is referenced 3. It consists of two rigid and non-deformable half-rings 3a and 3b made of cast or stamped metal bounded internally by a cylindrical surface with a diameter slightly smaller than that outside of the tube 1. Each half-ring has two cells 4a 5a and 4b, 5b capable of receiving a male part integral with the end of a tubular - or smooth - element not shown. The two half-rings 3a and 3b are hinged together around a hinge 6 by one of their ends, while the crown 3a has at its other end a tongue 7 in the form of a hook which can be freely introduced into a slot 8 formed in the other half-crown 3b. This slot 8 is delimited by two walls 8a and 8b through which a slope key 9 can be introduced. It will be noted that for the passage of this key 9 the walls 8a and 8b are provided with openings such as 10.
Un ergot latéral 11 pourvu sur la cette 9 à son extrémité la plus fine constitue un élément d'imperdabilité de cette dernière par rapport à la pièce 3. En effet cet ergot 11 retient la clavette sur la paroi 8a susdite en butant contre elle. Pour cependant dégager complètement la fente 8 la face interne de la paroi 8a possède un dégagement 12 dans lequel l'ergot 11 est logé lorsque la clavette est complètement tirée vers le haut. A lateral lug 11 provided on this 9 at its thinnest end constitutes an element of the latter being imperceptible with respect to the part 3. In fact this lug 11 retains the key on the above-mentioned wall 8a by abutting against it. To however completely clear the slot 8 the internal face of the wall 8a has a clearance 12 in which the lug 11 is housed when the key is completely pulled up.
Ainsi pour fermer la couronne autour du tube on introduit la languette 7 dans la fente 8. Le bord postérieur 7a de cette languette est tel qu'il est situé au-delà de la clavette 9 dans la fente 8. En enfonçant cette dernière on tend à resserrer les deux demi-couronnes 3a, 3b autour du tube, la clavette 9 écar- tant à la manière d'un coin le bord 7a susdit du bord antérieur des ouvertures telles que 10. Thus, to close the crown around the tube, the tongue 7 is introduced into the slot 8. The rear edge 7a of this tongue is such that it is located beyond the key 9 in the slot 8. By pressing the latter in, the tightening the two half-crowns 3a, 3b around the tube, the key 9 spreading, like a wedge, the above-mentioned edge 7a from the front edge of the openings such as 10.
Il faut également remarquer sur cette figure que chacune des demi-couronnes 3a, 3b - est pourvue à sa partie inférieure d'une collerette 12a, 12b qui est coaxiale à la surface intérieure de chacune d'elles donc au tube lorsque la couronne est formée autour de ce dernier. Ces collerettes sont pourvues d'encoches 13 sensible ment radiales qui sont susceptibles de recevoir les ergots 2 susdits. It should also be noted in this figure that each of the half-crowns 3a, 3b - is provided at its lower part with a flange 12a, 12b which is coaxial with the interior surface of each of them therefore to the tube when the crown is formed around the latter. These flanges are provided with substantially radial notches 13 which are capable of receiving the aforesaid lugs 2.
Lesdites encoches 13 peuvent être soit régulièrement soit irrégulièrement réparties sur les collerettes 12a, 12b. Ainsi on peut orienter angulairement la pièce 3 par rapport au montant 1 et déterminer la direction angulaire d'une lisse choisie par rapport à une direction de référence. La plage des angles possibles sera d'autant plus grande que les écartements angulaires des encoches 13 sont judicieusement choisis entre eux et que leur position angulaire par rapport aux alvéoles 4, 5 est également bien choisie. On peut également jouer sur un décalage angulaire astucieux des ergots 2 entre eux pour augmenter la combinaison possible des angles.Said notches 13 can be either regularly or irregularly distributed over the flanges 12a, 12b. Thus, the part 3 can be oriented angularly with respect to the upright 1 and the angular direction of a selected beam can be determined relative to a reference direction. The range of possible angles will be all the greater as the angular spacings of the notches 13 are judiciously chosen from one another and when their angular position relative to the cells 4, 5 is also well chosen. One can also play on a clever angular offset of the lugs 2 between them to increase the possible combination of angles.
I1 ressort de la description ci-dessus que le montage de la pièce 3 sur un montant 1 est très aisé. il suffit en effet de refermer les deux demi-couronnes à la main sur le montant, à l'aide de la clavette 9 sans en forcer l'enfoncement dans les ouvertures 10 puis de coulisser la couronne ainsi formée jusqu'au niveau de l'ergot 2 immédiatement inférieur et de choisir par rotation l'encoche 13 correspondant å l'orientation que l'on veut obtenir, orientation qui dépend bien entendu de la position respective des deux montants à relier, mais également de l'accessibilité à la clavette 9 et aux éléments de fixation des lisses sur la pièce 3 en fonction de la structure tubulaire déjà existante. I1 emerges from the above description that the mounting of the part 3 on an upright 1 is very easy. it suffices to close the two half-crowns by hand on the upright, using the key 9 without forcing it into the openings 10 and then slide the crown thus formed to the level of the lug 2 immediately below and choose by rotation the notch 13 corresponding to the orientation that one wants to obtain, orientation which depends of course on the respective position of the two uprights to be connected, but also on the accessibility to the key 9 and to the heald fastening elements on the part 3 as a function of the already existing tubular structure.
On aura remarqué que, dans le dispositif selon l'invention, la mise en place de la pièce 3 est tout à fait indépendante de l'attelage sur cette dernière des éléments d'entretoisement. It will have been noted that, in the device according to the invention, the positioning of the part 3 is completely independent of the coupling on the latter of the bracing elements.
La figure 2 illustre schématiquement un montage mettant en oeuvre l'invention sur deux montants 21, 22,deux pièces 3 sont disposées comme expliqué ci-dessus. On voit que la paroi extérieure délimitant la pièce 3 possède au droit de chaque alvéole une échancrure 24. Cette échancrure est bordée à sa partie supérieure et de part et d'autre d'un rebord 25 dont la face inférieure 25a constitue une face d'appui pour une clavette pente 26. Une lisse 27 est équipée à chacune de ses extrémités d'un élément male 28 qui est engagé dans un alvéole. Une partie de cet élément inale est logo dans l'échancrure 24 pour faire saillie hors de l'alvéole et présenter un point d'appui 29 pour la clavette 26 situé sous le niveau de la face 25a. Ainsi, comme cela est expliqué plus en détail dans le brevet français 76 15025 chaque extrémité de lisse est clavetée sur la pièce 3. FIG. 2 schematically illustrates an assembly implementing the invention on two uprights 21, 22, two parts 3 are arranged as explained above. We see that the outer wall defining the part 3 has at the right of each cell a notch 24. This notch is bordered at its upper part and on either side of a flange 25 whose lower face 25a constitutes a face of support for a slope key 26. A heald 27 is fitted at each of its ends with a male element 28 which is engaged in a cell. Part of this inal element is logo in the notch 24 to project out of the cell and present a fulcrum 29 for the key 26 located below the level of the face 25a. Thus, as explained in more detail in French patent 76 15025, each end of the heddle is keyed onto the part 3.
Bien entendu d'autres dispositifs d'attelage des lisses 27 à la pièce- 3 peuvent être mis en oeuvre sans sortir du cadre de l'invention. Of course, other devices for coupling the heddles 27 to the part 3 can be implemented without departing from the scope of the invention.
L'invention trouve une application intéressante dans le domaine des structures tubulaires du genre échafaudages. The invention finds an interesting application in the field of tubular structures of the scaffolding type.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8008535A FR2480836A1 (en) | 1980-04-16 | 1980-04-16 | Connector for tubular rods such as scaffolding poles - has two hinged halves locked about pole with wedge key bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8008535A FR2480836A1 (en) | 1980-04-16 | 1980-04-16 | Connector for tubular rods such as scaffolding poles - has two hinged halves locked about pole with wedge key bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2480836A1 true FR2480836A1 (en) | 1981-10-23 |
| FR2480836B1 FR2480836B1 (en) | 1983-08-05 |
Family
ID=9240953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8008535A Granted FR2480836A1 (en) | 1980-04-16 | 1980-04-16 | Connector for tubular rods such as scaffolding poles - has two hinged halves locked about pole with wedge key bolt |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2480836A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3318363A1 (en) * | 1983-05-20 | 1984-11-22 | geb. Layher Ruth 7129 Güglingen Langer | Exchangeable connection flange for metal scaffolds |
| EP0622504A1 (en) * | 1993-04-29 | 1994-11-02 | Gerald Merkel | Joint and jointing element for scaffolding system |
| GB2478908A (en) * | 2010-03-22 | 2011-09-28 | Norman Reay | A coupler |
| DE102013223831A1 (en) * | 2013-11-21 | 2015-05-21 | Wilhelm Layher Verwaltungs-Gmbh | fuse element |
| CN107366423A (en) * | 2017-09-15 | 2017-11-21 | 张家港保税区通勤精密机械有限公司 | A kind of barrel bolt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB483825A (en) * | 1936-10-26 | 1938-04-26 | Scaffolding Great Britain Ltd | Improvements in scaffolding for buildings and like structures |
| GB719516A (en) * | 1952-04-25 | 1954-12-01 | Johan Friedrich Kohnke | An improved pipe-connection clip |
| FR1503097A (en) * | 1966-11-30 | 1967-11-24 | Multiple assembly collar for scaffolding with integrated elements | |
| DE1434463A1 (en) * | 1960-12-30 | 1969-01-23 | Karl Sikler & Sohn | Tubular steel frame |
| FR2352194A1 (en) * | 1976-05-19 | 1977-12-16 | Entrepose | Two piece detachable safety coupling for scaffolding - has male elements, on jointing members, with slotted flanks protruding through female element and jammed tight by tapered cotter pin |
-
1980
- 1980-04-16 FR FR8008535A patent/FR2480836A1/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB483825A (en) * | 1936-10-26 | 1938-04-26 | Scaffolding Great Britain Ltd | Improvements in scaffolding for buildings and like structures |
| GB719516A (en) * | 1952-04-25 | 1954-12-01 | Johan Friedrich Kohnke | An improved pipe-connection clip |
| DE1434463A1 (en) * | 1960-12-30 | 1969-01-23 | Karl Sikler & Sohn | Tubular steel frame |
| FR1503097A (en) * | 1966-11-30 | 1967-11-24 | Multiple assembly collar for scaffolding with integrated elements | |
| FR2352194A1 (en) * | 1976-05-19 | 1977-12-16 | Entrepose | Two piece detachable safety coupling for scaffolding - has male elements, on jointing members, with slotted flanks protruding through female element and jammed tight by tapered cotter pin |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3318363A1 (en) * | 1983-05-20 | 1984-11-22 | geb. Layher Ruth 7129 Güglingen Langer | Exchangeable connection flange for metal scaffolds |
| EP0622504A1 (en) * | 1993-04-29 | 1994-11-02 | Gerald Merkel | Joint and jointing element for scaffolding system |
| GB2478908A (en) * | 2010-03-22 | 2011-09-28 | Norman Reay | A coupler |
| DE102013223831A1 (en) * | 2013-11-21 | 2015-05-21 | Wilhelm Layher Verwaltungs-Gmbh | fuse element |
| CN107366423A (en) * | 2017-09-15 | 2017-11-21 | 张家港保税区通勤精密机械有限公司 | A kind of barrel bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480836B1 (en) | 1983-08-05 |
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|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |