FR2498828A1 - LOCKOUT SHEET - Google Patents

Abstract

THE SUBJECT OF THE PRESENT INVENTION IS A LOCKABLE PLUG, IN PARTICULAR FOR THE POWER SUPPLY OF TELEMATIC APPLIANCES. THE LOCKABLE SHEET ACCORDING TO THE INVENTION INCLUDES TWO MALE SHEETS 7 EACH INCLUDING A FIRST PART CALLED "PLUG HEAD" 8 WHICH CAN BE SCREWED INTO AN END OF A SECOND PART CALLED "PLUG BODY" 16, THE SIDING END PASSING THROUGH HOLES 34 HOUSEHOLDS IN AN INSULATING WALL 33 OF A WALL BASE 36 AND MAY DEFORM SLIGHTLY ON THE PLUG HEAD 8 WHEN THE PLUG BODY 16 UNDERGOES A TRANSLATION MOVEMENT TOWARDS THE PLUG HEAD. APPLICATION TO THE POWER SUPPLY OF TELEMATICS EQUIPMENT.

Description

The present invention relates to a lockable plug, usable

  especially for the mains voltage supply of telematic devices. In many applications, and even more so in the field of telematics, it is

  very important to prevent the risks of

  accidental rusting of the power plug.

  In the currently known devices of lockable sockets, the wall socket, which is the fixed part intended to be connected to the current supply pipe, and the plug which is the part intended to be connected to a cable

  flexible connector connected to an apparatus for use,

  a mechanical or electrical assembly indissociable

  corn. However, to a type of plug is associated a type of base, so it would have to change

  one or the other in case of moving for example.

  The present invention precisely for

  a lockable plug that avoids this inconvenience.

  deny by being adaptable to most types of

  wall pedestals currently used.

  According to the main characteristic of

  the lockable plug object of the invention, that

  ci, of the type of those comprising at least two male conductive plugs cooperating with two female conductive plugs integral with a wall base, the latter comprising at least one insulating wall pierced with holes through which the plugs pass before coming to the contact of the sockets, is characterized in that each of the male plugs comprises a first part called 'plug head' which can be screwed into one end

  of a second part known as the "card body", the former

  tremity of the latter passing through the holes of

  said insulating wall and being able to deform slightly

  on the plug head when the plug body is translated in the direction of the

head of plug.

  The invention will be better understood by reading

  description which will follow, given as a

  purely illustrative and in no way

  tif, with reference to the accompanying drawings in the

  which: - Figure 1 is a schematic sectional view of the locking plug according to the invention, - Figure 2 is a sectional view, in profile, of a portion of the lockable plug according to the invention showing the locking system, and - Figure 3 is a schematic view partially in section of a plug used

  in the lockable plug object of the invention.

  The lockable plug according to the invention consists of two distinct parts (FIG. 1):

  a first part called 'cover' 1 and one

  The cover has a recess 3 intended to protect the connections and, in its upper part, a cable clamp 4 held by two screws 5. On the sides of the cover 1 are provided two clearances for the passage. two screws

  (not shown) allowing the fixing of

key 1 on the base 2.

  The base 2 has in its upper part

  two holes 6, of which a portion 6A is threaded

  allowing the passage of the plugs 7.

  These are represented more in

  detail in Figure 3. They consist essentially of

  two parts, a first element called "8" head and a second "body" element

of record '16.

  The plug head consists of a first

  a cylindrical portion 9 connected by a truncated cone 10 to another cylindrical portion 11 whose diameter is smaller than that of the portion 9. The cylindrical portion 11 is extended by a threaded portion 12 for mounting the head of plug in the form body. The plug head further comprises two separate cylindrical portions 13 and 14

by a laminated part 15.

  The plug body 16 comprises a conical inlet 17 opening on a bore 18. The wall

  relatively thin of it allows, after

  longitudinal grooves, to form

flexible slats or fins 19.

  Bore 18 leads to a thin section

  letter 20 in which the part 12 of the plug head is screwed during assembly thereof in the

plug body.

  The threaded portion 20 of the plug body is followed by a bore 21 pierced orthogonally with two holes 22 opening outwards: these

  allow the passage of two maintenance pins

  to maintain the plug head by pressing

the faces of the rolled part 15.

  The plug body also has, at its

  end 24 opposite the bore 18, a thin section

  23 for mounting in the final parts of

6A of the base 2.

  The end 24 of the plug body is

  denoted by a cylindrical cap 25 of insulating material,

  the latter having a slot 26 allowing the user to

  with a screwdriver, to print a rotational movement

  to the plug body. The cap 25 is pierced with a hole 27 and the end 24 of the plug body has a blind hole 28, which allows the connection of a plug connected to a household appliance, while the cable 3A is connected to a telemati-

than (Figure 1).

  In Figure 1, we also see the

  grounding plug 28A, screwed into his box

  by means of the thread 29, and whose cavity 30

  receives the wall plug 31 of grounding.

  The upper part of the base 2 has

  still flexible metal contacts 32 which provide the connection between the cable 3A on one hand,

cards 7 and 28A on the other hand.

  The locking system appears in Figure 2. The plug head 8 being screwed into the plug body 16 and the latter being screwed into the base 2, the lockable plug according to the invention

  is connected to the wall base 36. This last

  has an insulating wall 33 pierced with holes 34

  putting the passage of the end of the plug body

with slats 19.

  The locking is carried out in the following way: by means of a screwdriver inserted in the slot 26 of the cap 25, the plug body is imparted with a rotational movement, which causes a slight advance thereof towards the base wall 36,

  since the plug body is screwed into the base 2.

  As the plug head 8 is held fixed and abuts against the wall base, this movement

  causes the spacing of the fins 19 which are

  on the frustoconical part 10 of the filter head

che.

  A stop 35, on which comes

  puyer hat 25 limits the range of motion.

  The diameter of the holes 34 is barely

  than that of the part of the

  carrying the fins 19 when they are in the rest position: thus, when the fins are spaced, the passage is made impossible and the plug plug according to the invention can not

  no longer be torn off the wall base.

  Unlocking is done in printer

  mant to the plug body a rotational movement in the opposite direction, which brings back the fins to their initial state because they are very thin, so very

  flexible, and their deformation is limited.

Thus, the lockable plug according to

  the invention has important advantages,

  that it allows a perfect lock thanks to a

  simple maneuver. It also allows the connection

  household appliances, in addition to

  Telematics. Finally, it can be used to name

  applications, since it can accommodate most types of wall pedestals currently in use, which avoids

  subscriber's fixed rate in the event of a move or replacement

  placement of a device for example.

Claims (4)

  1. Lockable plug, of the kind   those which comprise at least two conductive sheets   these males (7) cooperating with two conductive plugs   these females integral with a wall base (36), the latter having at least one insulating wall (33) pierced with holes (34) through which pass the   plugs (7) before coming into contact with the   female dogs, characterized in that each of the male plugs <7) comprises a first so-called   "plug head" <8) which can be screwed into an   the end of the latter passing through the holes (34) of said insulating wall <33) and being able to deform slightly on the plug head (8) when the plug body (16) undergoes a movement of   translation in the direction of the plug head (8).   2. Lockable plug according to the   cation 1, characterized in that- the end of the plug body (16) passing through the holes <34) of the insulating wall comprises fins (19) which can deviate relying on a frustoconical portion   (10) of the plug head (8) thus ensuring the rusting.   3. Lockable plug according to the   cation 1, characterized in that the movement of   translation of the plug body (16) ensuring the   rusting is a helical movement obtained by the rotation of the plug body with respect to the plug head (8), the latter being held in abutment in the wall base (36).   4. Lockable plug according to the   cation 1, characterized in that the diameter of   holes (34) of the wall base <36) is slightly higher than   the part of the part of the card body   the fins (19) so that they can not   go through the holes when they are apart.