EP3511492A1 - Mécanisme de fermeture pour portes de véhicules de transport de marchandises - Google Patents

Mécanisme de fermeture pour portes de véhicules de transport de marchandises Download PDF

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Publication number
EP3511492A1
EP3511492A1 EP17784664.9A EP17784664A EP3511492A1 EP 3511492 A1 EP3511492 A1 EP 3511492A1 EP 17784664 A EP17784664 A EP 17784664A EP 3511492 A1 EP3511492 A1 EP 3511492A1
Authority
EP
European Patent Office
Prior art keywords
slider
door
locking mechanism
handle
anchorage
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
Application number
EP17784664.9A
Other languages
German (de)
English (en)
Other versions
EP3511492B1 (fr
Inventor
Miguel PEREZ LAGO
Francisco Javier DIAZ DIAZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mecanizados Rodriguez Fernandez SL
Original Assignee
Mecanizados Rodriguez Fernandez SL
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
Application filed by Mecanizados Rodriguez Fernandez SL filed Critical Mecanizados Rodriguez Fernandez SL
Publication of EP3511492A1 publication Critical patent/EP3511492A1/fr
Application granted granted Critical
Publication of EP3511492B1 publication Critical patent/EP3511492B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/02—Locks for railway freight-cars, freight containers or the like; Locks for the cargo compartments of commercial lorries, trucks or vans
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/005—Disconnecting the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • E05B65/0053—For refrigerators or cold rooms with safety release from inside
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/14—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away from the plane of the wing or frame
    • E05C1/145—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away from the plane of the wing or frame flush
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0403—Wound springs
    • E05B2015/0406—Wound springs wound in a cylindrical shape
    • E05B2015/041—Wound springs wound in a cylindrical shape loaded perpendicular to cylinder axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/22—Rectilinearly moving bolts

Definitions

  • the present invention belongs to the technical field of locking mechanisms for doors, particularly to locking mechanisms for cargo vehicle doors, and more particularly for refrigerated delivery vehicles, such as trucks, vans and the like, which require their cargo compartment to feature safe and fast opening and closing.
  • the invention particularly refers to a locking mechanism for cargo vehicles, particularly refrigerated delivery vehicles, which is provided with a handle having a torsion spring, which upon the handle rotation actuates a slider which is released from an anchorage, allowing the door opening.
  • the mechanism also comprises a compression spring that pushes the slide into its initial position making it fit into the anchorage, and thus locking the door.
  • the existing mechanisms so far have the problem that when the locking system is key-activated, the handle is blocked, so actuation thereof in this position can cause it breaks, with the immediate problems this may cause in the locking mechanism.
  • a locking mechanism is desirable for cargo vehicle doors providing a fast, safe and efficient opening and closing, avoiding the existing drawbacks from prior locking mechanisms for state-of-the-art doors.
  • the present invention solves the problems of the state of the art by means of a locking mechanism for cargo vehicle doors, having a handle attached to a base fastened to the outer side of the cargo or refrigerated delivery vehicle door.
  • the handle is attached to the base by means of a rotation axis, and acts upon a slider arranged on the base.
  • the slider has a first end being wedge shaped and a second end.
  • the slider can slide relative to an anchorage having a cylinder arranged at the outer frame of the door, in such a way that in a locking position of the door the first wedge shaped end of the slider is retained in the anchorage, thus locking the door.
  • the door locking mechanism additionally has a double torsion spring arranged in the rotation axis and fixed to the handle. Said double torsion spring has in turn a central protrusion.
  • the locking mechanism has a compression spring which contacts with the second end of the slider, pushing this towards its initial position.
  • the first wedge-shaped end of the slider is retained at the anchorage cylinder, while handle rotation around the rotation axis causes, in turn, the double torsion spring to rotate, and the central protrusion thereof to be pushed over the slider, which slides releasing the first end thereof from the anchorage cylinder, thus opening the door.
  • the compression spring pushes the slider towards its initial position, such that it allows fitting of the first slider end in the cylinder, and closing the door upon it being pushed by the user.
  • the locking mechanism has a sheet arranged onto the slider, through which the central protrusion of the double torsion spring pushes said slider, wherein said sheet moves along with the slider when it is actuated by the handle.
  • a sheet end longitudinally projects from the second end of the slider.
  • the locking mechanism has a lock arranged at the base thereof and a tab coupled to said lock, in such a way that the lock rotation makes the tab rotate, thereby interposing it in the way of the sheet end which longitudinally projects from the second end of the slider, thus blocking the slider displacement and thus preventing the door from opening.
  • the locking mechanism object of the present invention has panic opening means provided, so as to open the door from inside in case the user is accidentally locked therein once the door has been closed.
  • Panic opening means consist of a rotating control arranged at the inner side of the door, and a cam, connected to said rotating control, and a strip.
  • the strip is in turn connected to the slider, such that the cam transforms the rotational movement of the rotating control into a linear movement of the strip, which upon moving drags the slider along with it.
  • the slider By performing its sliding movement, the slider causes the first end of the anchorage cylinder to release, thus causing the door to open from inside the vehicle. That is, the rotating control transmits its circular movement to the cam through one metal square bar. This cam rotation at about 45° causes the metal strip to slide with an end being integral to the slider.
  • this embodiment of the locking mechanism meets three features being highly required in the market, those being:
  • the object of the present invention is a locking mechanism for cargo vehicle doors, applied to every type of cargo boxes of vans, transport trucks and mainly refrigerated delivery vehicles, requiring at the delivery boxes thereof a safe and fast opening and closing mechanism.
  • Figure 1 shows how the locking mechanism object of the present invention is mounted on doors 2 at the side or rear part of a vehicle which could be a van, truck, container, etc.
  • a vehicle which could be a van, truck, container, etc.
  • three doors 2 can be observed being articulated to the vehicle box by means of hinges 3, with the doors 2 at the right being closed by means of the locking mechanism 1 of the invention, and the door 2 at the left being half open after having acted upon the handle 7.
  • the locking mechanism for cargo vehicle doors object of the invention has a handle 7 attached to a base 8 fixed at the outer side of the door 2 of a cargo vehicle by means of a rotation axis 12.
  • the base 8 can be fastened to the outer side of the door 2 with any conventional fastening means, although it is preferably fastened by means of screws.
  • the handle 7 acts upon a slider 15 arranged onto the base 8, having a first wedge-shaped end and a second end.
  • the slider 15 slides relative to an anchorage 5 with a cylinder 6 arranged at the outer frame 4 of the door 2.
  • Figure 2 and, above all, figure 3 show the anchorage 5 in detail, which allows closing the door 2, being screwed to the outer frame of the door 2.
  • the locking mechanism for doors additionally has a double torsion spring 13 arranged at the rotation axis 12 and fastened to a handle 7, comprising in turn a central protrusion, and a compression spring 22 contacting with the second end of the slider 15.
  • the first wedge-shaped end of the slider 15 is retained in the cylinder 6 of the anchorage 4.
  • the handle 7 rotation around the rotation axis 12 causes rotation of the double torsion spring 13 subsequently pushing its central protrusion over the slider 15. Due to this pushing, the slider 15 slides releasing the first end thereof from the cylinder 6 of the anchorage, thereby opening the door 2.
  • the compression spring 22 pushes the slider 15 towards its initial position, thus allowing fitting the first end of the slider 15 into the cylinder 6 and closing the door 2 by it being pushed by the user.
  • FIGS 4 to 10 show in detail an embodiment of the locking mechanism with its essential elements, and illustrate the opening and closing operations indicated above. That is, opening of the door 2 takes place by holding the handle 7 and making it rotate around a rotation axis 12. As the double torsion spring 13 is attached to the handle 7, this rotates integrally thereto, such that the central protrusion thereof pushes the slider 15, making it slide over its support 20, thus separating the cylinder 6 from the anchorage 5. Thus, the anchorage 5 is released and, therefore, if the handle 7 keeps on being pulled the door 2 will rotate around the hinges 3, thereby opening the door.
  • the closing of the door 2 can take place by simply pushing it, making it rotate around the hinges 3 until the slider 15 contacts the cylinder 6 of the coupling 5. Due to the wedge shape of the first end of the slider 15, it tends to slide by retracting after overcoming the strength exerted by the compression spring 22. Once the slider 15 exceeds the cylinder 6, it comes back to its initial position by the effect of the spring 22 recovery, the first end of the slider 15 being locked up underneath the cylinder 6 of the anchorage 5. This is the usual way of locking the door by pushing it.
  • the mechanism has a sheet 14 arranged onto the slider 15 through which the central protrusion of the double torsion spring 13 pushes said slider 15.
  • the end of the sheet 14 longitudinally projects from the second end of the slider 15, as it can be seen in figure 7 .
  • the locking mechanism has a lock 11 arranged on the base 8 and a tab 21 coupled to said lock 11, such that rotation of the lock 11 makes the tab rotate interposing it in the way of the end of the sheet 14 longitudinally projecting from the second end of the slider 15, thus blocking the slider 15 displacement and preventing the door 2 from opening.
  • Figure 10 shows the tab 21 coupled to the lock 11 rotated to the position it is key-locked.
  • the locking mechanism has panic opening means, which in turn have a rotating control 23 arranged at the inner side of the door 2, and a cam 16 which is connected to said rotating control 23 and to a strip 18.
  • This strip 18 is connected to the slider 15, in such a way that the cam 16 transforms the rotation movement of the rotating control 23 into a linear movement of the strip 18, which, upon moving, drags the slider 15 along with it, this sliding and thus releasing the first end thereof from the cylinder 6 of the anchorage 5, thereby opening the door 2 from inside the vehicle.
  • panic opening means make it possible to open the door 2 from inside, in case someone is trapped inside the vehicle cargo box, even with the door 2 being key-locked.
  • Inside the door 2 around the lock there is a plastic cup having a rotating control 23 in the middle, by means of which after rotating about 45°, this rotation is transmitted through a metal square bar that fits into a cam 16 located at the outer side of the door 2.
  • This rotating movement makes the cam 16 act over a screw 17 head causing it to linearly slide.
  • This screw 17 drags the strip 18 which, in turn, drags another screw 19 being integral to the slider 15. Therefore, movement is transmitted by means of the rotating control 23 from inside the vehicle box, so as to cause the slider 15 to slide and thus open the door 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lock And Its Accessories (AREA)
EP17784664.9A 2016-09-08 2017-07-31 Mecanisme de verrouillage pour porte de vehicule de fret Active EP3511492B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201631102U ES1165183Y (es) 2016-09-08 2016-09-08 Mecanismo de cierre para puertas de vehiculos de carga
PCT/ES2017/070555 WO2018046783A1 (fr) 2016-09-08 2017-07-31 Mécanisme de fermeture pour portes de véhicules de transport de marchandises

Publications (2)

Publication Number Publication Date
EP3511492A1 true EP3511492A1 (fr) 2019-07-17
EP3511492B1 EP3511492B1 (fr) 2023-12-06

Family

ID=56899477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17784664.9A Active EP3511492B1 (fr) 2016-09-08 2017-07-31 Mecanisme de verrouillage pour porte de vehicule de fret

Country Status (3)

Country Link
EP (1) EP3511492B1 (fr)
ES (2) ES1165183Y (fr)
WO (1) WO2018046783A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4332332A1 (fr) * 2022-08-30 2024-03-06 Mecanizados Rodriguez Fernandez, S.L. Serrure électronique pour portes de véhicule de chargement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309884A (en) * 1979-12-28 1982-01-12 The Eastern Company Paddle lock with guard-protected handle disconnect member
US4312204A (en) * 1979-12-28 1982-01-26 The Eastern Company Paddle lock with translatably-mounted handle disconnect member
US4312202A (en) * 1979-12-28 1982-01-26 The Eastern Company Paddle lock with bolt-carried handle disconnect member
EP2581528A1 (fr) * 2011-10-14 2013-04-17 Pastore & Lombardi S.r.l. Verrou, en particulier pour les portières de voitures de type camionnette, camion, semi-remorques et similaires
KR101422810B1 (ko) * 2013-05-16 2014-07-24 주식회사 공진 냉장 및 냉동고용 캣쳐 해제장치
GB2532466B (en) * 2014-11-19 2020-11-25 Weston Body Hardware Ltd A paddle latch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4332332A1 (fr) * 2022-08-30 2024-03-06 Mecanizados Rodriguez Fernandez, S.L. Serrure électronique pour portes de véhicule de chargement

Also Published As

Publication number Publication date
ES1165183Y (es) 2016-12-14
EP3511492B1 (fr) 2023-12-06
WO2018046783A1 (fr) 2018-03-15
ES2968845T3 (es) 2024-05-14
ES1165183U (es) 2016-09-21

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