WO2010026271A1 - Dispositif de cintrage de tuyaux souples et accessoire pour l'accouplement de raccords à ces derniers - Google Patents

Dispositif de cintrage de tuyaux souples et accessoire pour l'accouplement de raccords à ces derniers Download PDF

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Publication number
WO2010026271A1
WO2010026271A1 PCT/ES2009/000440 ES2009000440W WO2010026271A1 WO 2010026271 A1 WO2010026271 A1 WO 2010026271A1 ES 2009000440 W ES2009000440 W ES 2009000440W WO 2010026271 A1 WO2010026271 A1 WO 2010026271A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular
fitting
accessory
jaw
carriage
Prior art date
Application number
PCT/ES2009/000440
Other languages
English (en)
Spanish (es)
Inventor
Ricardo Padilla Ros
Original Assignee
Ricardo Padilla Ros
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ES200801820U external-priority patent/ES1068701Y/es
Priority claimed from ES200901293U external-priority patent/ES1071059Y/es
Application filed by Ricardo Padilla Ros filed Critical Ricardo Padilla Ros
Publication of WO2010026271A1 publication Critical patent/WO2010026271A1/fr

Links

Classifications

    • 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
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material

Definitions

  • the present invention relates to a device for bending elastic tubes, such as polyamide tubes, of those commonly used for the transport and conduction of fuel or lubricant in vehicles.
  • the device covered by the invention is intended to bend elastic tubes, such as polyamide tubes.
  • the device for bending elastic tubes comprises at least one outer shell, essentially rigid, tubular and plastically deformable, whose diameter inside is greater than the outer diameter of the elastic tube to be curved, so that the elastic tube to be curved is capable of being introduced inside said external envelope, also including an internal filiform element wound in a spiral, elastically deformable and adapted to be introduced in the elastic tube to deform.
  • this device it is possible to bend cold elastic tubes without the need to apply heat to the tubes so that the desired curve is maintained.
  • the deformable filiform element by means of the deformable filiform element, the non-variation or deformation of the elastic tube to be curved is guaranteed, maintaining its useful internal diameter.
  • the internal filiform element is constituted by a helical spring which is provided with gripping means that facilitate its fastening at at least one of its ends.
  • the device is complemented with an accessory for coupling to said connector ducts, as close to the practiced bending, so that it is constituted from a base body, to which it is integral a fixed jaw, which is faced with a carriage of displacement and support of the fitting in question, which is movable along a series of guides equally in solidarity with the base body, displacement that is carried out with the contest of a threaded pusher rod, associated to the said carriage, manually operable by turning the corresponding knob associated to its rear limb.
  • the jaw is made up of two semi-bodies related to each other by means of the corresponding hinged means, and it presents internally in correspondence with each of said semi-bodies, a longitudinal recess, open at its ends, in which a series of guide accessories can be fitted tightly, which they will have different configurations according to different tube diameters, these being selectively usable depending on the specific needs of each case, accessories in which, in any case, a groove in a half-rod with a straight path will be defined, intended to receive at the end of coupling of the fitting, of a diameter slightly smaller than that of the conduit, in order to ensure its stabilization, counting at its end facing the said carriage with a small widening that facilitates the coupling maneuvers of said fitting, with the particularity that the cited groove in half cane suffers in its opposite limb, or n progressive widening, determinant of a surface of revolution of a generatrix curve, in accordance with the radius of curvature provided for driving.
  • the previously bent conduit is deposited on the formally and dimensionally adequate and established accessories on the corresponding recesses of the two half-bodies of the jaw, in a way that at the closing of the same it subsequently defines a circular window with a strongly rounded edge, with a radius in accordance with the radius of curvature provided for the said bend of the tubular conduit, a tubular conduit that can be arranged with said bend forming any angle with respect to the longitudinal axis of the device according to the needs specific to each case, and the angle that such an angle should form with the fitting, in case it is also at an angle, leaving its free limb facing the one repeatedly commented fitting carriage of fittings, which will have different types of bushings for securing different types of fittings, whether straight, angled, with several outlets, connecting fittings, etc., carrying out the coupling of said fitting to the conduction by displacement of the aforementioned push rod through the actuation of its corresponding knob, so that said coupling is produced in an extremely efficient way
  • Figure 1. Shows, A perspective view of the device for bending elastic tubes object of the invention
  • Fig. 2. Shows a perspective view of a curved elastic tube by using the device of Fig. 1.
  • Figure 3. Shows a perspective view of the fitting for coupling fittings in the curved tubular ducts of the previous figures, a device that appears in an inoperative situation and of opening for its fixed jaw.
  • Figure 4.- Shows a view similar to that of Figure 3, in which the previously bent duct is arranged inside the jaw for subsequent immobilization.
  • Figure 5. Shows a view similar to that of Figures 3 and 4, in which the device appears closed, with the previously curved conduit inserted in its breast and in a position to couple the corresponding fitting to its free end.
  • a device (1) for curving elastic tubes (2) not shown in said figure, of those usually intended for transporting fuel or lubricant, such as polyamide tubes, is shown.
  • Said device (1) comprises a plurality of outer casings (5) for elastic tubes (2) and two internal filiform elements (4) spirally wound.
  • These casings (5) are essentially rigid, tubular and plastically deformable, however the internal filiform elements (4) are elastically deformable and adapted to be able to be introduced into the elastic tubes to bend or deform.
  • the device (1) is used in a very particular way to bend the elastic tube (2), producing a curvature thereof, and so that once the bending operation is finished it is maintained the curve despite the elastic properties of the elastic tube (2) that are evidently counteracted with the only plastic properties of the envelope (5).
  • the elastic tube (2) to be curved which has an outer diameter smaller than that of the envelope (5), is inserted into an envelope (5).
  • the internal filiform element (4) is inserted into the elastic tube (2) and hence the envelope (5).
  • the internal filiform element (4) is constituted by a helical spring whose outer diameter is smaller than the inner diameter of the elastic tube (2) to be curved, so that the helical spring can be introduced into the inside said elastic tube (2).
  • the spring is provided with gripping means that facilitate its fastening at one of its ends.
  • said gripping means are constituted by protuberances.
  • the assembly is folded in order to bend the elastic tube (2).
  • the internal filiform element (4) is removed and the elastic tube (2) is kept curved thanks to the external envelope (5) applied on it.
  • the device (1) can be arranged in a wrapper (3) of easy commercialization and distribution provided with multiple envelopes (5).
  • the device is complemented with an accessory for coupling of fittings, which is constituted, as can be seen in figures 3 to 5, from a base body, obtained from a pair of plates, an anterior plate (6), and a posterior plate (7), arranged in parallel, between which a pair of guides (8) is established a along which a carriage (9) carrying racks is movable, with a threaded rod (10) associated with its rear end, and finished off in a drive knob (11), a rod that will thread over a complementary hole established on the back plate (7).
  • an accessory for coupling of fittings which is constituted, as can be seen in figures 3 to 5, from a base body, obtained from a pair of plates, an anterior plate (6), and a posterior plate (7), arranged in parallel, between which a pair of guides (8) is established a along which a carriage (9) carrying racks is movable, with a threaded rod (10) associated with its rear end, and finished off in a drive knob (11), a rod that will thread over
  • Said carriage incorporates a groove (12) formally and dimensionally suitable to receive within it the different fittings (13), adjustable in an adapter element (14), fittings intended to be coupled in the conduit or elastic tube (2), incorporating the front plate (6), in correspondence with the aforementioned car, a window (15) formally and dimensionally suitable to allow the passage through the said fitting (13).
  • the device as it incorporates, associated with the anterior end of the base frame, a jaw consisting of two semi-bodies, a fixed lower half-body (14), and a folding upper half-body (15) on the latter, through the corresponding hinge or hinge (16).
  • Both upper and lower semi-bodies (14-15) are made respective upper (17) and lower (18) longitudinal openings, open at their ends, in which they are capable of fitting respective guide accessories, (19) into those that defines a groove in half rod with a straight path, the device with multiple guide accessories (19) being available depending on the different diameters provided for the tubular duct, presenting in any case, and as a common denominator, the incorporation of a small diametral widening (20) in correspondence with the limb intended to be faced with the fitting (13) to facilitate the introduction of the end thereof and corresponding deformation of the conduit in said maneuver, while due to its opposite limb, said groove in half-round has a progressive widening (21) , determinant of a generatrix revolution surface with a radius curve according to the radius of curvature provided for the conduit or flexible tube (2).
  • said progressive widening (21) allows the previously curved conduction by means of the spiral wound element (4) previously mentioned to adopt the proper position in the assembly, although said maneuver can also be carried out with the straight conduction within the device itself, using the curved surface of the guide accessories (19) so that the conduit adapts to said radius of curvature, all this, logically prior to the carriage displacement (9) and consequent coupling of the fitting (13) in the conduction.
  • the guide accessories (19) are immobilized with respect to the respective fixed and movable jaw housings through two captive screws (22), as can be observe in figure 5.
  • the upper body (15) of the jaw will be stabilized with respect to the lower body (14), by means of a screw that can be operated through the corresponding control (23), which is tiltable with respect to the previous plate (6) through a tilt axis (24), and which is coupled to a "U" recess (25) established on the side edge of the upper body of the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

Le dispositif selon la présente invention comprend au moins une enveloppe externe (5), sensiblement rigide, tubulaire et plastiquement déformable, dont le diamètre intérieur est supérieur au diamètre extérieur du tuyau souple à cintrer, de sorte que le tuyau souple à cintrer peut être introduit à l'intérieur de ladite enveloppe externe, et un élément filiforme intérieur (4) enroulé en spirale, élastiquement déformable et conçu pour être introduit dans le tuyau élastique à déformer. De plus et afin de réaliser l'accouplement de différents types de raccords au niveau de l'ouverture de l'extrémité libre du conduit tubulaire lorsqu'il est plié, le dispositif comprend un accessoire constitué d'un corps formant base, doté d'un chariot déplaçable à la main et portant le raccord, auquel fait face une mâchoire formée par un demi-corps inférieur fixe et un demi-corps supérieur abaissable, qui comportent des fentes respectives dans lesquelles peuvent s'encastrer des accessoires de guidage respectifs, accessoires de guidage dans lesquels est définie une rainure semi-circulaire qui, à son extrémité opposée à celle faisant face au raccord, présente un élargissement progressif déterminant une surface de révolution de génératrice courbe, présentant un rayon correspondant au rayon de courbure prévu pour la conduite.
PCT/ES2009/000440 2008-09-05 2009-09-07 Dispositif de cintrage de tuyaux souples et accessoire pour l'accouplement de raccords à ces derniers WO2010026271A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ESU200801820 2008-09-05
ES200801820U ES1068701Y (es) 2008-09-05 2008-09-05 Dispositivo para curvar tubos elasticos
ESU200901293 2009-09-04
ES200901293U ES1071059Y (es) 2009-09-04 2009-09-04 Dispositivo para el acoplamiento de racores en conductos tubulares

Publications (1)

Publication Number Publication Date
WO2010026271A1 true WO2010026271A1 (fr) 2010-03-11

Family

ID=41796768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2009/000440 WO2010026271A1 (fr) 2008-09-05 2009-09-07 Dispositif de cintrage de tuyaux souples et accessoire pour l'accouplement de raccords à ces derniers

Country Status (1)

Country Link
WO (1) WO2010026271A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103406872A (zh) * 2013-07-10 2013-11-27 奇瑞汽车股份有限公司 一种发动机弯向连接管压装工装
CN108994779A (zh) * 2018-07-21 2018-12-14 温岭市鼎工自动化设备科技有限公司 一种软胶管内插大口径芯子的装配机构
CN109159411A (zh) * 2018-08-13 2019-01-08 英立（江苏）机电有限公司 一种pe管变形机
CN113001465A (zh) * 2021-02-24 2021-06-22 奇瑞汽车股份有限公司 一种直角弯管压装装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB223366A (en) * 1923-09-10 1924-10-23 John Francis Carey Apparatus for bending light electric conduit and other tubes
US5765285A (en) * 1995-08-09 1998-06-16 The B.F. Goodrich Company Method of bending a rigid thermoplastic pipe
US5979032A (en) * 1998-06-11 1999-11-09 Chrysler Corporation Tool for inserting a fitting into a hose
ES1066290U (es) * 2007-09-14 2008-01-01 Ricardo Padilla Ros "aparato para el acoplamiento de un racor en la embocadura de un extremo libre de un conducto tubular".

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB223366A (en) * 1923-09-10 1924-10-23 John Francis Carey Apparatus for bending light electric conduit and other tubes
US5765285A (en) * 1995-08-09 1998-06-16 The B.F. Goodrich Company Method of bending a rigid thermoplastic pipe
US5979032A (en) * 1998-06-11 1999-11-09 Chrysler Corporation Tool for inserting a fitting into a hose
ES1066290U (es) * 2007-09-14 2008-01-01 Ricardo Padilla Ros "aparato para el acoplamiento de un racor en la embocadura de un extremo libre de un conducto tubular".

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103406872A (zh) * 2013-07-10 2013-11-27 奇瑞汽车股份有限公司 一种发动机弯向连接管压装工装
CN103406872B (zh) * 2013-07-10 2015-06-10 奇瑞汽车股份有限公司 一种发动机弯向连接管压装工装
CN108994779A (zh) * 2018-07-21 2018-12-14 温岭市鼎工自动化设备科技有限公司 一种软胶管内插大口径芯子的装配机构
CN108994779B (zh) * 2018-07-21 2020-02-07 温岭市鼎工自动化设备科技有限公司 一种软胶管内插大口径芯子的装配机构
CN109159411A (zh) * 2018-08-13 2019-01-08 英立（江苏）机电有限公司 一种pe管变形机
CN113001465A (zh) * 2021-02-24 2021-06-22 奇瑞汽车股份有限公司 一种直角弯管压装装置及方法

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