Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
  • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
  • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
  • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
  • H01H2003/024—Resetting of bistable emergency operating part by pulling it
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
  • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
  • H01H2003/0246—Resetting of bistable emergency operating part by rotating itself or an accessory

Definitions

• the present invention relates to a punch switch, comprising a body receiving means movable in translation adapted, under the effect of an axial thrust, to move from an extended position to a retracted position, each of said positions being indexed through locking means adapted to cooperate with at least one indexing notch in an extended position and with at least one indexing notch in a retracted position.
• a punch switch is generally used for the emergency stop of a device in operation or the rapid shutdown of a circuit or network. Such a switch will find application in many technical fields, such as, and not limited to, industrial chains and devices, machine tools, power circuits, etc.
• EP 1 734 434 a punch switch which advantageously has the possibility of being releasable by traction and / or rotation, while being able to incorporate visual means allowing to indicate their state, open or closed, consisting either of a light element or a movable element cooperating with a window, and may further be equipped with an arming system ensuring the non-return after triggering.
• This switch comprises an axially movable element in the body, said element being provided with two notches distributed longitudinally one indexing in an extended position and the other indexing in a retracted position, intended to cooperate with a locking means , while a guide system which comprises two parts cooperating with one another in sliding, limits and determines the evolutions in translation and in rotation of said movable element relative to said body.
• the advantages provided by this switch are essentially due to the fact that the locking means has an annular shape comprising two parts, one blocking and the other elastic return, and that it is thus arranged around the movable member , immobilized in rotation relative to the body, and that it is shaped to be able to cooperate alternately with one or other of the indexing notches. This configuration also allows to clear a large interior space, capable of housing visual means of signaling.
• This switch has many advantages over previous punch switches, it however still has disadvantages, especially in that its design does not allow the realization of the smallest punch switches on the market.
• the present invention aims to provide a new punch switch to overcome this disadvantage, the design allows, in addition to the possibility of manufacturing in all sizes in use, and in addition to the incorporation of a part of visual means of signaling its open or closed state, and secondly of an arming system ensuring the non-return after triggering, of making switches whose release can be achieved by pulling, rotating, pulling and rotating, or pulling or rotating.
• this switch requires one less piece than the object of document EP 1 734 434, as well as fewer manual assembly operations.
• the punch switch comprises a body receiving a movable element in translation adapted, under the effect of an axial thrust on a fixed mushroom of said movable element, to move from an extended position to a retracted position, each of said positions being indexed through at least one locking means adapted to cooperate with at least one indexing notch in an extended position and with at least one indexing notch in a retracted position, wherein said indexing notch in the retracted position is shaped to allow that said locking means can disengage from said notch through a rotational movement of said locking means relative to said indexing notch, as well as in an axial traction movement of said movable member relative to said body, wherein said indexing notches are formed on the periphery of said movable member, and wherein the unlocking movement, by traction or by rotation, is conducted through a guiding means comprising two parts cooperating with each other in sliding, the punch switch being characterized in that said body internally and fixedly comprises a concentric sleeve in which can
• the sleeve and the body are in the form of a single piece from molding, or in the form of two parts each of molding, and assembled fixed during assembly.
• the locking means are arranged on the socket, and the movable element has two sets of indexing notches, each arranged in a different angular sector, and with one or the other of which can cooperate the locking means, and one configured to allow unblocking only by traction and associated with a guiding means allowing this movement of traction, the other configured to allow deblocking only by rotation and associated with a guide means allowing this rotational movement, said guide means consisting of at least one lug adapted to cooperate with at least two differently configured grooves to allow each one of said movements, said two grooves being connected by a connecting groove allowing, by a rotation of the mushroom and thus said movable element in the sleeve, to pass the or said lugs from one groove to another, so as to modify
• the guide means comprise at least one groove formed in the inner wall of the sleeve, and at least one lug which protrudes radially from the element. mobile and is engaged in said groove.
• the guide means comprise at least one groove formed in the wall of the movable element, and at least one lug which protrudes radially from the inner wall of the bushing and is engaged in said groove.
• the punch switch comprises, interposed between the bushing and the mushroom, a flywheel movable in axial rotation relative to said mushroom, whose rotational movements are indexed and limited to through guide means which connect said sleeve and said flywheel, the latter having distinguishable zones, while said mushroom has openings opposite which said zones are positioned according to the rotational movement of said flywheel, movement itself a function of the displacement said mushroom.
• the guide means for indexing the movement of the wheel to that of the mushroom consist of at least one guide groove that includes the sleeve on the outer side, and in at least one lug that includes said flywheel on the inner side, and which is provided capable of cooperating with said groove.
• FIG. 1 shows a schematic perspective view of a first embodiment of a punch switch according to the invention.
• FIG. 2 shows a schematic perspective view of a piece that includes this switch punch.
• FIG. 3 shows a schematic perspective view of another piece that makes up this switch punch.
• FIG. 4 shows a schematic perspective view of another piece that makes up this switch punch.
• FIG. 5a shows a schematic elevational view and in section along a median plane of the same switch punch in a rest position.
• Figure 5b shows a schematic sectional view along the axis AA of Figure 5a.
• FIG. 6a shows a schematic view in elevation and in section along a median plane of the same switch punch in a working position.
• Figure 6b shows a schematic sectional view along the axis BB of Figure 6a.
• FIG. 7 shows a schematic perspective view of a second embodiment of a punch switch according to the invention.
• FIG. 8 shows a schematic perspective view of a piece that includes this switch punch.
• Figure 9 shows a schematic perspective view of another piece that makes up this switch punch.
• Figure 10 shows a schematic perspective view of another piece that makes up this switch punch.
• FIG. 11a shows a schematic view in elevation and in section along a median plane of the same switch punch in a rest position.
• Figure 11b is a schematic sectional view along the axis DD of Figure 11a.
• FIG. 12a shows a schematic elevational view and in section along a median plane of the same switch punch in a working position.
• Figure 12b is a schematic sectional view along the axis EE of Figure 12a.
• FIG. 13a shows a schematic elevational view and in section along a median plane of the same switch punch in a forced position.
• FIG. 13b shows a schematic sectional view along the axis FF of Figure 13a.
• a punch switch according to the invention, which comprises a base 1 for fixing it, and a mushroom 2 for receiving the thrust actuation of 1 'switch.
• the base 1 is in the form of a tubular piece having two parts, a lower portion 10 of a diameter smaller than that of an upper portion 11, which creates an inner shoulder, not visible in the figure.
• the mushroom 2 is in the form of a cap comprising a tubular peripheral wall 20, closed topally by a wall 21, these walls 20 and 21 being provided with openings 22 whose characteristics and functions will be described later.
• the switch according to the invention essentially comprises two operating positions, the rest position, or output, corresponding to the switch before tripping, and a working position, or retracted, corresponding to the switch when actuated, after the mushroom 2 has been pressed, and which makes it possible to cut a circuit.
• a piston 3 which consists of a member movable in translation in the base under the effect of an axial thrust on the mushroom 2, of which it is integral, but not fixed as it will be. described later.
• This piston 3 is in the form of a tubular part comprising two parts, an upper part 30 of a diameter smaller than that of a lower part 31, thus creating a shoulder 32 between the two.
• the lower part 31, which is of an external diameter adjusted to that internal of the lower portion 10 of the base 1, comprises, axially superimposed, two flats which form indexing notches, a so-called “output” notch 33, and a notch called “"34, the latter being the one positioned on the side of the upper part 30.
• the piston 3 has on its diametrically opposite side not visible in the figure, the same notches 33 and 34.
• the lower part 31 also comprises, at an angular offset of 90 ° with respect to the notches 33 and 34, two diametrically opposed pins 35, which protrude, and intended to participate in guiding the translation of the piston 3.
• a sleeve 4 in the form of a tubular part, intended to accommodate the piston 3, and to allow it to move axially, and also for be introduced into the base 2, and to be secured thereto, and more particularly at the inner shoulder of the latter, created by the difference in diameter of the lower portion 10 and upper 11.
• This sleeve 4 comprises the internal side on the one hand two grooves 40 diametrically opposed, only one of which is visible in the figure, in each of which can evolve a lug 35 of the piston 3; and on the other hand, angularly offset by 90 ° with respect to the grooves 40, two diametrically opposed locking elements 41, only one of which is visible in the figure, and which each comprise an element 42 projecting towards the inside of the sleeve 4, attached to the body thereof by means of a blade 43, so as to allow this element 42 a mobility in the radial direction, while reminding it to its original position namely to protrude to 1 inside.
• the locking means may be an integral part of the piston, and the notches arranged on the sleeve.
• the sleeve 4 also has on the inner side, above the grooves 40 and the locking means 41, a peripheral shoulder 44, and on the outer side, two grooves 45 diametrically opposite.
• a flywheel 5 in the form of a cap comprising a tubular peripheral wall 50 closed topally by a wall 51, these walls comprising zones 52 and 53 of different colors.
• This flywheel 5 is intended to be inserted between the bushing 4 and the mushroom 2, and it has internally to the peripheral wall 50 pins 54 provided adapted to cooperate with the grooves 45 of the sleeve 4.
• FIGS. 5a and 5b it is also possible to see the piston 3 which is inserted into the bushing 4, and which is secured to the head 2, which is produced by means of a shaft 23 which extends axially in the fungus 2, which is introduced tightly into the axial cavity 36 that includes the upper part 30 of the piston 3, this cavity 36 being of non-round cross section, in this case it comprises flats 37, while the shaft 23 has an outer surface complementary profile, namely flats 24, so that the mushroom 2 and the piston 3 are connected in rotation, while allowing axial translation of one relative to the other. This translation is limited by the securing at the free end of the shaft 23, a 25 diameter plug upper and which can move in the cavity 38 that has the lower portion 31 of the piston 3.
• the flywheel 5 is introduced into the mushroom 2, between the latter and the bush 4 and, as can be seen in FIG. 5b, the lugs 35 are each engaged in a groove 40 of the bush 4.
• the punch switch according to the invention is in the rest or output position, which corresponds to the engagement of each of the elements 42 of the locking means 41, in a so-called "output" notch 33.
• the return to the rest or exit position can be achieved either by pulling on the mushroom 2, or by rotating, the purpose being to pass the elements 42 of the notches 34 in the notches 33.
• the procedure depends on part of the shape of the grooves 40 of the socket, since they serve as a guide for pins 35 and therefore to the piston 3 relative to the sleeve 4, and secondly to the profiles of the elements 42 and notches 33 and 34, more particularly the ribs 39.
• firstly grooves 40 longitudinal which allow only an axial displacement of the lugs 35 and therefore the piston 3 relative to the sleeve 4, and secondly ribs 39 which separate the notches 33 and 34, have a beveled upper edge allowing the elements 42 to escape the notches 34 during axial traction.
• grooves 40 having a particular shape, allowing the lugs 35 to evolve therein not only in the axial direction but also in a transverse direction, and secondly ribs 39 having an upper edge perpendicular to the main axis of the piston 3 to form a shoulder, so as to prohibit an axial return movement.
• the return to the rest position can be made by rotating the piston 3 relative to the sleeve 4, so that the elements 42 escape the notches 34 by the ends thereof and not crossing the ribs 39, the movement being completed by the action of the spring R.
• the embodiment of the punch switch according to the invention shown in Figures 1, 2, 3, 4, 5a, 5b, 6a, 6b, 7a and 7b, is a composition of the two variants mentioned above, in that meaning that it allows the two possibilities to know back in position by turning or pulling, for this purpose the grooves 40, as shown in Figure 3, allows these two movements, while the rib 39 has an upper edge beveled.
• the flywheel 5 cooperates with the bushing 4, through the lugs 54 of the grooves 45, so as to turn the flywheel 5, and so put next to apertures 22, the zones 52 or zones 53, which makes it possible to indicate visually the state of the switch.
• FIGS. 7, 8, 9, 10, 11a, 11b, 12a, 12b, 13a and 13b we can see another embodiment of the switch according to the invention, which has the particularity of being able to be parameterized at will by the user, to be unlocked either in traction or in rotation.
• This embodiment comprises the same parts namely a base 1, a mushroom 2, a piston 6, a sleeve 7 and a steering wheel 5, which have the same characteristics with some exceptions.
• the piston 6 is also in the form of a tubular part comprising two parts, an upper part 60 of a diameter smaller than that of a lower part 61, thus creating between both a shoulder 62.
• the lower portion 61 which is of an outer diameter fitted to the inner one of the lower portion 10 of the base 1, has peripherally four angular sectors, the opposite diametrically being identical sectors.
• two opposed sectors each comprise, axially superimposed, two flats which create indexing notches, one "output” 63, and the other "re-entry” 64, separated by a rib 65 whose lower edge is beveled, while the upper edge forms a shoulder.
• the two other opposite sectors each comprise, axially superimposed, two flats which form indexing notches, one "exit” 63 ', and the other "return” 64', separated by a rib 65 'whose lower edge is beveled, while the upper edge is beveled.
• the lower part 61 comprises between two neighboring sectors, a longitudinal groove 66, and between the two other sectors a longitudinal groove 66 ', the groove 66 being extended laterally in the direction of the groove 66', passing over notch 64 ', of a recess 67 delimited below the notch 64 'by an inclined plane 68, and which joins the groove 66' by a transverse groove 69.
• the bush 7 is in the form of a tubular piece, which has on the inside, on the one hand, two diametrically opposed lugs 70, only one of which is visible in the figure, and intended to cooperate with the grooves 66, 66 ', 68 and 69 of the piston 6; and on the other hand, angularly offset by 90 ° relative to the lugs 70, two blocking elements 71, diametrically opposed, only one of which is visible in the figure, and which each comprises an element 72 projecting towards the inside of the sleeve 7, attached to the body thereof by means of a blade 73, so as to allow this element 72 a mobility in the radial direction, while recalling it to its original position namely to protrude towards inside.
• the sleeve 7 also has on the inner side, above the lugs 70 and locking means 71, a peripheral shoulder 74, and on the outer side, two grooves 75 diametrically opposed.
• the characteristics of the piston 6 and the sleeve 7 make it possible to envisage two configurations according to the angular positioning of the piston 6 with respect to the sleeve 7, where in the rest position, in the first, shown in FIGS. 11a and 11b, the elements 72 locking means 71 are positioned in the notches 63 while the lugs 70 can be moved in the grooves 66 and 67, and in the second configuration, not shown, where they are positioned in the notches 63 ', while the lugs 70 can evolved in grooves 66 '.
• the lugs 70 move in the grooves 66 and 67, which allow the rotational movement of the mushroom 2 and thus of the piston 6 with respect to the bushing 7.
• the beveled upper edge of the ribs 65 ' authorizes the return to initial position by traction, the only movement allowed by the cooperation of the lugs 70 with the grooves 66'.
• this embodiment of the punch switch according to the invention can be configured either for a return to the rest position by a pulling action, or for a return to the rest position by a rotation action assisted by the spring R.
• the flywheel 5 is moved relative to the mushroom 2, which makes it possible to display on it the data relating to the configuration of the switch.
• the punch switch according to the invention has many advantages over those existing to date, and in particular that, in addition to all the features it has, it can be made in all sizes needed on the market, and it requires a lower number of parts and a reduced assembly time.

Landscapes

• Push-Button Switches (AREA)
• Switch Cases, Indication, And Locking (AREA)
• Switches With Compound Operations (AREA)
• Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=40568132

Family Applications (1)

Country Status (5)

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Family Cites Families (14)

• 2008
  • 2008-09-10 FR FR0856069A patent/FR2935835B1/fr active Active
• 2009
  • 2009-09-09 WO PCT/FR2009/051695 patent/WO2010029254A1/fr active Application Filing
  • 2009-09-09 CN CN200980140020.6A patent/CN102177564B/zh not_active Expired - Fee Related
  • 2009-09-09 EP EP09741389A patent/EP2335259A1/de not_active Withdrawn
  • 2009-09-09 US US13/062,930 patent/US8492668B2/en not_active Expired - Fee Related

Non-Patent Citations (2)

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