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
  • 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 invention relates to an emergency stop button according to the preamble of claim 1.
• an emergency stop device is known, the task of which is to immediately switch off an electrical machine in an emergency.
• This emergency can be, for example, existing danger for the operating personnel, overload or malfunction of the machine.
• switching devices of this type have a rotary mushroom which is mounted at least to a limited extent in a housing and is displaceable in the axial direction of the housing. The switching function is carried out by pushing in the rotary mushroom, the rotary mushroom being locked when it reaches its pressed-in end position, so that retraction of the rotary mushroom, for example in order to restart the machine, is not possible.
• the emergency stop button is unlocked by turning the rotary mushroom relative to the housing. The turning process can be blocked, for example, by a security lock, so that rotation of the rotary mushroom in the housing is only possible after unlocking the security lock.
• An emergency stop button is shown and described in DE-GM 93 06 074, in which two radially arranged pins are pressed apart by a spring. The pins rest on a projection which is provided with a bevel arranged at the top and a bevel arranged at the bottom.
• a clear resistance must be overcome, for example, a certain amount of force must be applied.
• the emergency stop button can be unlocked again simply by pulling up the actuating head in the axial direction, resistance also having to be overcome here.
• DE 44 22 171 A1 shows an emergency stop button that can be unlocked both by rotation and by train.
• the object of the invention is to provide an emergency stop button according to the preamble of claim 1, which can be used both with pull release and with rotary release and is easy to install.
• the object of the invention is achieved by the characterizing features of claim 1, while particularly advantageous developments of the invention are characterized in the subclaims.
• the invention requires few parts, for example only one upper part of the ram.
• the button is also easy to install.
• FIG. 1 is a perspective view of the emergency stop button with lock
• FIG. 2 is an exploded view of the emergency stop button with lock
• FIG. 3 is a sectional view of the emergency stop button with lock
• Fig. 4 is a side view of the emergency stop button with lock and assembled
• Fig. 5 is an illustration of the emergency stop button from above with the lock and assembled
• FIG. 7 shows a sectional view along the section line AA in FIG. 5
• FIG. 8 shows a sectional view along the section line EE in FIG. 4
• FIG. 9 shows a sectional view along the section line FF in FIG. 4
• FIG. 10 shows a sectional view along the section line GG in Fig. 4
• Fig. 11 is a sectional view along section line CC in Fig. 4
• Fig. 12 is a sectional view along section line DD in Fig. 5
• Fig. 13 is an illustration of the emergency stop button from above
• Fig. 14 is a 15 shows a sectional view in the first position of the emergency stop button
• FIG. 16 shows a sectional view in the first position of the emergency stop button
• FIG. 17 shows a sectional view according to section line DD in FIG. 5
• FIG. 18 shows a side view of the emergency stop button with light head in the unactuated state
• FIG. 19 shows the emergency stop button from above with the light head in the unactuated state
• FIG. 20 shows a Sectional view according to section line BB in Fig. 19
• Fig. 21 is a sectional view of Fig. 20, 22 shows a side view of the emergency stop button with the light head in the actuated state
• FIG. 23 shows the emergency stop button from above with the light head in the actuated state
• FIG. 24 shows a sectional view along the section line BB in FIG. 23,
• FIG. 25 shows a 24,
• FIG. 26 shows a sectional view of the emergency stop button with light head
• FIG. 27 shows a view of the button guide from the side
• FIG. 28 shows a sectional view according to the section line BB in FIG. 27
• FIG. 29 shows a view of the button guide from above
• FIG. 30 a view of the key guide from below
• FIG. 31 an overview drawing of the possible combinations of the individual
• Fig. 1 shows a lockable emergency stop button 1 with an actuating head 2 and a connecting part 3 with a threaded portion for panel mounting and the like.
• the emergency stop button 1 shown in FIG. 1 consists of a button guide 4, a plunger 5, a mushroom lower part 6, a plunger sleeve 7, a spring 8, a compression spring 9, a torsion spring 10, one Tappet upper part 1 1, a lock 12 and a mushroom upper part 13.
• the plunger 5 is moved by the actuating head 2 with the compression spring 9 in between.
• the key guide 4 has a tubular housing part 14 which is provided with a shoulder 15, as can be seen in FIG. 3.
• the key guide 4 is provided with a first guideway 21 and a second guideway 26.
• the first guideway 21 and the second guideway 26 are arranged next to one another parallel to the axial actuation direction (arrow direction Y in FIG. 24) (see also FIG. 28).
• the first guideway 21 has a depth that is slightly greater than the radius of the ball
• the locking ball 20 is such that the locking balls 20 are practically enclosed and only a movement of the locking balls 20 along the first guideway 21 is possible.
• a rotary movement or a relative rotary movement between the plunger 5 and the key guide is not possible because the locking balls 20 are pressed against the almost straight inner walls and under the action of the spring 8 in the first Guideway 21 are held.
• the first guideway 21 is provided for a train release.
• the tappet upper part 11 can be inserted axially from above and is embedded and rotatably arranged there, wherein rotation by a limited angle is only possible if locking balls 20 are mounted in the second guideway 26. If the locking ball 20 is arranged in the first guideway 21, no rotation of the actuating head 2 or of the key guide 4 is possible.
• the key guide 4 has, as can be seen in FIG. 28, a first guide track 21 that runs straight with respect to the longitudinal axis, each with a locking ball 20 that can be immersed in this guide track 21 and is under spring action, as also shown in FIG. 24.
• the first projection 37 (FIG. 24) is arranged in the first guide track 21, the first guide track 21 and the first projection 37 being designed according to the invention in such a way that only a train release is possible.
• the locking ball 20 is caught, but can be pressed by vigorously hitting the actuating head 2 over the first projection 37 due to the bevel or wall 35.
• the key guide 4 has a second guide track 26, which runs parallel to the first guide track 21 and in which the locking ball 20 can optionally be used according to the invention. That Depending on the type of locking, ie whether pull release or rotary unlocking is desired, the locking ball 20 - or the two opposite locking balls 20 - can be inserted into the first or second guideway 21, 26.
• the locking balls 20 (in principle also the spring 8) can be inserted through the mounting holes 27 arranged on the key guide 4 (FIG. 2). By subsequently turning left or right, the locking balls enter the corresponding guideway.
• a second projection 22 is arranged in the second guide track 26, the second guide track 26 and the second projection 22 being designed in such a way that only rotational unlocking is possible.
• the locking balls 20 are arranged at the ends of a spring 8, wherein the locking balls 20 can be completely immersed in a tunnel 33.
• the tunnel is 33 arranged transversely to the direction of actuation.
• the spring 8 is embedded in the tunnel 33, the spring 8 being a compression spring.
• the tunnel 33 is arranged on the tappet 5.
• the second guideway 26 has a side wall below the second projection 22 in a second trigger area 70, which is provided with such a curve shape with respect to a cross section that the locking ball 20 in the direction of rotation when the lock (alternatively the actuating head 2) the curve 30 can immerse so far that the locking ball 20 can bypass the second projection 22 when the actuating head 2 is moved by a rotary and spring action automatic stroke movement from a released position to the off position.
• the second guideway 26 has, below the second projection 22 in the second triggered area 70, an asymmetrically deep depression with a curve shape with a flat inclination 30 on one side and a steep wall 73 on the opposite side, as shown in FIG. 25.
• the actuating head 2 is rotatable in none of the embodiments, but only the lock 12, which is firmly connected to the plunger upper part 11 c.
• the actuating head 2 can be rotated without a lock just as well as in known rotary unlockings.
• a second upper projection surface 23 (FIG. 3) of the second projection 22, in which the locking balls 20 meet them from the off position into the released position, is shaped and designed in this way, e.g. obliquely shaped so that the locking ball 20 can be pushed away or immersed.
• the second lower projection surface 25 (FIG. 3) of the second projection 22, in which the locking ball 20 meets them in the direction from the released position to the off position, is shaped and designed (rectangular) in such a way that pushing away or immersing the Bolt ball 20 is not possible without turning the lock (the actuating head as an alternative).
• the first guideway 21, as shown in FIG. 25, has a depth which is greater than the radius of the ball of a locking ball 20, and the first guideway has a side wall shaped in such a way that the locking ball 20 is enclosed in the first guideway 21 and cannot get out of the first guideway 21, whereby only a movement of the locking balls 20 along the first guideway 21 is possible.
• the first guideway 21 has a depth in which the locking ball 20 can only immerse into the first guideway 21 to such an extent that there is no substantial play when trying to turn the lock (the actuating head 2) (the depth corresponds approximately the radius of the sphere).
• a first upper projection surface 38 (FIG. 24) of the first projection 37, in which the locking balls 20 meet from the off position into the released position, as shown in FIG. 26, is shaped and designed such that pushing away or Immersion of the Riegelkugei 20 can be done.
• the first lower projection surface 38 (FIG. 24) of the first projection 37, in which the locking ball 20 meets them in the direction from the released position to the off position, is shaped and designed such that the locking ball 20 is pushed away or immersed is also possible.
• the tappet upper part 11 can be rotated completely in the housing part 14 if no locking balls 20 are installed.
• the tappet upper part 11 has a second shoulder 16, as shown in FIG. 3.
• the torsion spring 10 is arranged between the first shoulder 15 of the housing part 14 and the second shoulder 16.
• the compression spring 9 is arranged between the tappet upper part 11 and the tappet 5, which is supported on a surface 17 of the tappet upper part 11 and a third shoulder 18 of the tappet, as shown in FIG. 3.
• the plunger 5 has essentially a tubular or hollow shape. At two opposite openings 19 of the plunger 5, a locking ball 20 partially protrudes (FIG. 2). The locking balls 20 are under the pressure of the intermediate compression spring 8.
• the locking balls 20 are held either in a first guideway 21 or in a second guideway 26.
• the first guideway 21 and the second guideway are arranged on the key guide 4.
• the first guideway 21 is provided for a train release.
• a train release is advantageous if a key lock is not used, as is provided in the embodiments shown in FIGS. 20 and 24.
• the second guideway 26 is provided for rotational unlocking. Rotary unlocking is advantageous if a key lock 12 is used, as is provided in the embodiment shown in FIG. 3.
• the plunger 5 presses the locking balls 20 against the bevels or the second upper projection surface 23 under the force of the compression spring 9 without the locking balls being pressed inwards. That the spring forces of the springs 8 and 9 are dimensioned accordingly.
• the locking balls dip into the openings 19 until they have been moved over the second projection 22 and, after reaching an edge 24 or second lower projection surface 25, protrude again from the openings 19.
• Behind the edge 24 there is a second lower projection surface 25 arranged at right angles, which holds the emergency stop button 1 in the pressed position.
• the second lower projection surface 25 In the non-rotated position, the second lower projection surface 25 has a depth which prevents the locking ball 20 from reaching the off position.
• the surface 25 has no angle of inclination.
• the lock (the actuating head 2) is rotated until the locking ball 20 is immersed in the opening 19 until the locking ball 20 is no longer supported on the surface 25 can. This required rotation identifies the emergency stop button as a button with a rotary release.
• the housing part 14 has a second guideway 26 which is provided for the rotational unlocking.
• the second guideway 26 below an second projection 22 has an asymmetrical shape or a relatively flat wall profile or flat inclination 30 or curve.
• Figures 6, 8, 16 show the locking balls 20 as they are mounted in the first guide track 21.
• the locking balls are mounted in the first guideway 21 in such a way that the plunger 5 is guided in the housing part 14 so that it cannot be rotated, so that a train release is possible. So that the actuating head 2 can be pulled into the original position without a rotary movement but only by pulling, a projection 37 is arranged in the first guideway, as shown in FIG.
• the sloping surface can be overcome by pulling with a certain force.
• the emergency stop button 1 is provided with a thread 31 for the usual fastening.
• the emergency stop button 1 is provided with snap-in switch elements 32 which can be actuated by the plunger 5 and the plunger sleeve. This shown emergency stop button 1 can be unlocked with a lock 12 or unlocked with only one key, which is shown in FIG. 5 from above.
• FIG. 6 shows a sectional view of the emergency stop button 1 in the unactuated position, the locking balls 20 being arranged above the projections 22 and 37.
• the first and second guide tracks 21, 26 are shaped above the projections 22 and 37 such that the locking balls 20 prevent the actuating head 2 or plunger 5 from rotating relative to the key guide 4.
• a rotation of the actuating head 2 is prevented in principle in all the embodiments shown here by the second guide ribs and guide grooves 43, 44.
• Fig. 7 shows in a sectional view along the section line A-A in Fig. 4, the unlockable emergency stop button 1, in which the lock 12 (lock cylinder) is shown in a sectional view.
• the lock 12 prevents unlocking of unauthorized persons. For unlocking, however, turning with a key is required so that only authorized persons who have a key can move the emergency stop button 1 back into the off position.
• the switch elements 32 are shown in section in FIG. 7.
• the ram upper part 11 is provided with molded ribs 36, which are shown in Fig. 10.
• the tunnel 33 is open at both ends, so that the locking balls 20 can be fully inserted.
• the spring 8 is embedded essentially flush in the tunnel 33, as can be seen in particular in FIG. 7.
• rectangular openings 34 are arranged at the top and bottom, which will be explained in more detail later.
• the plunger 5 is essentially hollow.
• the mechanical connection to the tappet upper part 11 takes place by means which are arranged on the outside of the tappet.
• the plunger 5 in the plunger upper part 11 is connected to the plunger upper part 11 by a limited longitudinal displacement and on the other hand non-rotatably, the plunger 5 is provided with first locking lugs 40 which engage in corresponding window-like openings 39, as in FIG. 2 or FIG. 9 , which shows a sectional view along the section line FF in FIG. 5, is shown.
• the width of the locking lug 40 is slightly less than the width of the opening 39.
• the locking lug 40 can be displaced in the actuating direction Y within the opening 39.
• first guide ribs 41 (FIG. 7) formed on the tappet 5 in the actuating direction, which guide ribs in the corresponding first guide grooves 42
• Ram upper part 11 are displaceable, realized, as can be seen in particular in Figures 7 and 9.
• the key guide 4 has second guide ribs 43 which engage in second guide grooves 44, the second guide grooves 44 being arranged on the mushroom lower part 6 belonging to the actuating head 2, as FIGS. 2 and 9 show. Mushroom lower part 6 and mushroom upper part 13 form the actuating head 2, these being connected by latching means 45, 46, which are identified in FIG. 2.
• FIG. 5 shows the switch element 32, which is provided with a switching cam 47 and can be actuated by the plunger sleeve 7, the plunger sleeve 7 being rotatably connected to the plunger 5.
• second locking lugs 48 are arranged on the tappet sleeve 7, which engage in guide slots 49 (FIGS. 2 and 12). Because the tappet sleeve 7 is provided with laterally arranged pins 50 (FIG. 2) and the pins 50 are fixed in a non-rotatable manner in recesses 51 of the tappet guide 51, the tappet 5 can only be rotated within the slot length 49 of the guide slot 49. Allowing this rotation is important for unlocking the actuating head 2 during the rotational unlocking.
• the locking balls 20 are immersed in the tunnel 33 during the rotational movement, with which the actuating head 2 together with its parts connected to it can be pulled up because the second projection 22 shown in FIG. 3 acting as a lock is bypassed.
• the locking balls 20 move behind the projection 22, analogously to the position shown in FIG. 24.
• 24 shows a sectional illustration of the emergency stop button in the actuated state.
• 28 shows the first guideway 21 for the train release, which has a first release area 71, a first projection 37 and a first release area 72.
• 28 also shows the second guideway 26 for the pull and twist release, which has a second trigger region 69, a second projection 22 and a second trigger region 70 with the inclination 30 and the steep wall 73.
• the projections 22, 37 on the side of the off area 69, 71 are provided with depressions 74 in which the locking balls 20 are held in the off position and enable a defined position.
• a total of four guideways 21, 22 are provided, two of which are arranged opposite each other. A displacement of the pin 50 in the actuating direction is possible within the recesses 51.
• the key guide 4 is provided with two sealing lips 52, 53, which consist of soft material and can be injection molded, as shown in Fig. 3.
• the two sealing lips 52, 53 offset in height are arranged at an oblique angle in the head direction.
• the emergency stop button can also be designed without sealing lips.
• the emergency stop button with a translucent window or button head opening 54bc and a lighting element in Form of a functional element 53 ' may be provided with a light-emitting diode 55, the functional element 53' being shown only in FIG. 26.
• an actuating head without window or key opening bc and without lock 12 can also be used.
• a lens 56 is arranged, which consists of a disk-like lens region 57 and a sleeve-like body 58 which is adapted to the dimensions of the lock 12.
• the lens area 57 is recessed on the inside like a dome.
• the lens 56 is colored red.
• the shape and dimensions of the lens 56 correspond to those of the lock in the head-side region, as a result of which the same mushroom upper part 13bc as shown in FIG. 31 can be used.
• the tappet sleeve 7, the tappet 5, and the tappet upper part 11c are hollow or have a cavity.
• the openings 34 provide an improvement in light transmission.
• the emergency stop button has a modular or modular design.
• the reference numerals of the corresponding parts are provided with a if the emergency stop button is to be a simple emergency stop button without lighting, without lockability and pull release.
• the kit consists of a first mushroom head 13a without a window 54 with a closed surface 55 'for use in a simple emergency stop button and a second mushroom head 13bc for use both for an emergency stop button with lighting and pull release and for an unlockable emergency stop button with twist release.
• the kit consists of three different tappet upper parts 1 1a, 11b, 11c for the three different emergency stop buttons, a torsion spring 10c for an unlockable emergency stop button with rotary unlocking, a common compression spring 9, a common tappet 5, a common key guide 4, and a common Piizunterteil 6 for the three different types of emergency stop buttons.
• the modular system has a tappet sleeve 7ac for common use in a simple emergency stop button and a lockable emergency stop button. Another tappet sleeve 7b is provided for an emergency stop button with lighting and pull release.
• a simple emergency stop button is neither unlockable nor does it have any lighting. It can be unlocked in any way.
• Emergency stop buttons which can be assembled in modules according to FIG. 31, contain different functions, such as unlockability and illuminability.
• the emergency stop buttons consist of a mushroom-shaped actuating head 2 and a basic body composed of various parts with movable and fixed parts.
• the emergency stop buttons can be assembled from an emergency stop button system with parts designed jointly for different functions and parts individually designed for certain functions.
• the emergency stop button system consists of a first mushroom top part 13a with a closed button surface 60 for use in a simple or neither unlockable nor illuminated emergency stop button, the first mushroom top part 13a being individually designed for this function, and a second mushroom top part 13bc with a key top opening 54bc, in which a light signal element 55 or a lock 12 can optionally be inserted, the second mushroom upper part 13bc being designed jointly for both functions.
• the emergency stop button system consists of a first tappet upper part 11a for use in a simple emergency stop button, a second tappet upper part 11b for use in an emergency stop button with lighting and a third tappet upper part 11c for use in an unlockable emergency stop button, the Ram upper parts 11a, 11b, 11c are individually designed for the respective functions.
• the emergency stop button system consists of a first tappet upper part 11a with a first closed bottom 61 with a substantially flat surface 65, a second tappet upper part 11b with a second bottom 62 with a light passage opening 66 and a third tappet upper part 11c with a third bottom 63
• Receiving means 64 for a lock 12 a torsion spring 10c for rotational unlocking, a compression spring 9 common to all functions, which is arranged between a plunger upper part 11a, 11b, 11c and a plunger 5, a plunger 5 common to all functions, the plunger 5 Has locking means as locking balls 20, both for a train release and for one Rotary unlocking can be used, a key guide 4 common to all functions, the key guide 4 having means for pull unlocking and means for rotating unlocking.
• the emergency stop button system consists of a first tappet sleeve 7ac for use in a simple emergency stop button or for use in a lockable emergency stop button and a second tappet sleeve 7b for use in an emergency stop button with lighting
• the tappet sleeve 7ac for the functions “Lockability” and “simple emergency stop button” are designed jointly and individually for the “lighting” function
• the first tappet sleeve 7ac having a first closed sleeve base 67 (FIG. 15)
• the second tappet sleeve 7b having a second translucent sleeve base 67 (Fig.
• the emergency stop buttons are provided with a mushroom base (6) common to all functions and the button guide is provided with a threaded section as a connection part 3. Switching, lighting and or other functional elements 53 'can be snapped into the bottom in a modular manner.
• One of the emergency stop buttons has an actuating head 2 with an opening 54 in which a lens 56 closing the opening 54 can be inserted, which can be illuminated by a lighting element 55 arranged at the opposite end of the actuating head 2, the fixed and movable parts having light passage openings.
• the light-emitting diode 55 has a radiation angle of 10 to 45 degrees and a luminosity of at least 0.5 candela.
• the lighting element 55 is arranged in a functional element 53 'which can be snapped onto the base body.
• the emergency stop button system comprises at least two different mushroom upper parts 13a, 13bc, at least two, preferably three, different plunger upper parts 11a, 11b, 11c, at most one plunger 5, at most one key guide 4, at least two, preferably two, different plunger sleeves 7ac, 7b and highest a mushroom base 6.
• the lens 56 and the lock 12 have approximately the same dimensions, as shown in FIG. 31, so that they are easily interchangeable. Parts that are designed together with different functions are parts with individual functions. Parts that are individually designed with certain functions are parts with multiple functions, such as the plunger 5, which is provided for three functions “simple, lockable and illuminated key”. The functions can be combined with the type of unlocking.
• the present invention is not limited to the embodiments described above, but also encompasses all embodiments having the same effect in the sense of the invention.
• the guideways can be realized with other guiding structures and the protrusions with obstacles with the same effect.
• the guideways can also be arranged in an equivalent manner on the tappet instead of on the key guide.
• Locking balls 20 first guideway 21 second projection 22 upper second projection surface 23
• Locking openings 39 first locking lugs 40 first guide ribs 41 first guide grooves 42 second guide ribs 43 second guide grooves 44 locking means 45, 46

Landscapes

• Push-Button Switches (AREA)
• Lock And Its Accessories (AREA)
• Mechanical Control Devices (AREA)
• Knives (AREA)
• Sub-Exchange Stations And Push- Button Telephones (AREA)
• Percussion Or Vibration Massage (AREA)
• Iron Core Of Rotating Electric Machines (AREA)

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Citations (4)

Family Cites Families (8)

• 2000
  • 2000-03-10 DE DE10011625A patent/DE10011625C1/de not_active Expired - Fee Related
• 2001
  • 2001-03-02 CN CNB018063306A patent/CN1175443C/zh not_active Expired - Lifetime
  • 2001-03-02 AT AT01957612T patent/ATE362190T1/de active
  • 2001-03-02 ES ES01957612T patent/ES2286132T3/es not_active Expired - Lifetime
  • 2001-03-02 EP EP01957612A patent/EP1261980B1/de not_active Expired - Lifetime
  • 2001-03-02 PT PT01957612T patent/PT1261980E/pt unknown
  • 2001-03-02 CZ CZ2002-3036A patent/CZ305635B6/cs not_active IP Right Cessation
  • 2001-03-02 HU HU0300293A patent/HUP0300293A2/hu unknown
  • 2001-03-02 DE DE50112483T patent/DE50112483D1/de not_active Expired - Lifetime
  • 2001-03-02 WO PCT/EP2001/002372 patent/WO2001069618A1/de active IP Right Grant

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