EP1045411B1 - Interrupteur de type bouton-poussoir pour arrêt d'urgence - Google Patents
Interrupteur de type bouton-poussoir pour arrêt d'urgence Download PDFInfo
- Publication number
- EP1045411B1 EP1045411B1 EP00400994A EP00400994A EP1045411B1 EP 1045411 B1 EP1045411 B1 EP 1045411B1 EP 00400994 A EP00400994 A EP 00400994A EP 00400994 A EP00400994 A EP 00400994A EP 1045411 B1 EP1045411 B1 EP 1045411B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- push rod
- catch
- pusher
- fact
- 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.)
- Expired - Lifetime
Links
- 230000003100 immobilizing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- H01H2003/0246—Resetting of bistable emergency operating part by rotating itself or an accessory
Definitions
- the present invention relates to an electrical switch of the push button type. latching, intended for emergency stops and comprising a body and a control button mounted on a cylindrical body and biased by a spring reminder.
- a push-button type switch for hooking allows actuation electrical contacts when an operator presses the push button at when to cause an emergency stop.
- the operation push button is mounted on a body in which a mobile piston and a mobile pusher are housed, this the latter used to actuate electrical contacts.
- This piston and this pusher are capable of sliding and pivoting in the body, along an axis, while being relatively fixed relative to each other.
- the piston is retained in position "Walking" by a lock.
- the piston moves, under the effect of an arming spring, to a tripping or stopping position, position in which it is held by this same lock, after actuating the electrical contacts.
- the push button After triggering following an emergency stop, the push button remains pressed, in trigger or stop position. He can be unlocked so as to return to the operating position, using an inserted key in a barrel or by rotation of the head.
- the engagement dimension is variable mainly because of the stacking of the ribs and the coefficient of friction which influences negative on security.
- the document FR 2521768 describes a switch according to the preamble of claim 1.
- the object of the invention is to provide a snap-on push-button whose security is improved.
- the switch according to the invention is characterized in that the piston is provided with a susceptible control member, when the button is pushed, to actuate the first so-called stop lock immobilizing the pusher in position "Rest” and then release the pusher which can come in the hanging position where it is immobilized by the second lock used for hanging.
- control pusher has means guide which are guided on helical ramps formed in the body.
- the body has a ramp used for recoil of the bolt when the pusher pivots about its axis of rotation and a boss allowing indexing of the pusher and the piston in position hooking.
- the push button head which is illustrated in FIGS. 1 to 5 is associated with electrical contact blocks which are not shown. It includes, at front, a manual control push button 1 on which the operator can press when triggering the emergency stop. This push button 1 mounts sliding on a body 2 in which are housed the different constituents and which is used for fixing to a not shown fixing panel.
- the body 2 which has a tubular and cylindrical shape around an axis XX ′, is consists of a front part 21 and a rear part 22, the latter being moreover small diameter and separated from the front part by a shoulder.
- This body 2 is committed by its rear part 22 in an opening of a fixing panel to which it can be tightly fixed by an external seal, by an anti-rotation plate 91 and by a fixing nut 92.
- the manual control push-button 1 has a cylindrical shape in mushroom, the upper part 11 serving as a pusher and the lower part 12, shaped skirt, covering the body 2.
- Immobilization means provided on the body 2 and on button 1 oppose their relative rotation. These means can be formed by internal grooves of the skirt which slide on grooves external of the body or by a sliding keying.
- Button 1 is also stopped in the high position, relative to the body 2, by pins 61A, 61B which come into abutment, upwards, against helical ramps 28A, 28B formed in the body 2.
- a coil spring 3 is mounted so as to be compressed between the body 2 and button 1 and to communicate to it a restoring force.
- One of his ends is housed in an annular housing of the body 2 while the other end is housed in an annular housing of button 1.
- the push button 1 receives, in an axial housing, a lock barrel 93 which can turn and be actuated by a key not shown. Barrel 93 can turn in its housing when the key is present.
- the barrel 93 is linked in rotation and in translation to a piston 4 which is housed and guided so as to slide and pivot along the axis XX 'in a bore 24 of the body 2.
- a seal is mounted around the piston 4 so as to ensure sealing with the body.
- the piston 4 cooperates with an internal control pusher 6 used to activate the electrical contacts.
- This pusher 6 is also housed and guided in translation along the axis X-X 'in a bore 23 of the body 2 while remaining free to pivot around this axis.
- the piston 4 and the internal pusher 6 can slide one by relative to each other but they have means 42 linking them in rotation around the axis XX '.
- These means can be constituted by a keying or by grooves and grooves which are conjugated and formed respectively on the piston and on the pusher.
- a coil arming spring 5 is mounted so as to be compressed between the piston 4 and the internal control pusher 6. Its ends are housed on one side in a housing of the piston 4 and on the other side in a housing of the interior pusher 6.
- the interior pusher 6 carries a first sliding lock 7 serving as a stop in on position and a second lock 8 used for latching in the stop position, after triggering.
- the latching lock 8 can slide along an axis perpendicular to X-X 'and it is subjected to a return spring tending to push it back out of the pusher.
- the stop latch 7 can slide along an axis perpendicular to XX ' and is also subjected to a return spring tending to push it out of the button.
- the stop latch 7 In the rest position, the stop latch 7 can abut against the shoulder 25 so as to immobilize the pusher 6 (at the end of the front stroke).
- This latch 7 is provided with a support ramp 71 which can cooperate with a finger unlocking 41 of piston 4. When this unlocking finger 41 comes to rest on the ramp 71, he pushes the lock 7 into its housing, counteracting the action of the associated spring, which releases the pusher 6 from the on position.
- the latching bolt 8 In the "rest" position, the latching bolt 8 remains pressed while compressing the associated spring. After pressing the stop latch 7 and releasing the pusher 6, the latter can descend under the action of the arming spring 5. The head of the lock hooking 8 slides into the bore 23 of the body 2. When it reaches the level of the shoulder 26, the head of the bolt 8 comes out and comes to bear against this shoulder 26 which has the effect of immobilizing the pusher 6 in the hooking and stopping position. Simultaneously the pusher 6 acts on the electrical contact blocks.
- the internal pusher 6 has, projecting, reset pins 61A and 61B which are guided upwards against helical rearming ramps 28A and 28B formed in the body 2. The rearming takes place after triggering and stopping, by rotation of the 4-push piston 6 assembly which has the effect of reassemble pusher 6 to the "rest" position (front limit switch).
- the pusher 6 sinks into the bore of the body 2 along the axis XX 'in response to a pressure exerted on its front part of the push button 1, at against the effort of a return spring 3. During this emergency stop phase, it is immobilized in rotation around X-X 'and moves from the rest position (end limit switch) in the latching and release position (limit switch back).
- the body 2 has, in its bore 27, a ramp 27A serving to depress the latching lock 8 when the operator pivots the pusher 6 around of the axis XX '.
- This unlocking of the lock 8 has the effect of releasing the pusher 6 from its hooking and stopping position and allows it to go back to the running position.
- a boss 27B is formed before the recoil ramp 27A so as to allow the pusher 6 and the piston 4 to be indexed in the stop position and hooking.
- the push button head which has just been described above operates from the next way.
- the initial rest position is illustrated in Figure 1.
- the push button 1 abuts against a part of the body.
- Posts 61A and 61B abut up against the ramps 28A, 28B.
- Stop lock 7 is immobilized on the shoulder 25 and the pusher 6 is in the "high" position.
Landscapes
- Push-Button Switches (AREA)
Description
- la figure 1 est une coupe axiale de la tête du bouton-poussoir selon l'invention représentée en position « repos »;
- la figure 2 est une coupe axiale de la tête de bouton-poussoir de la figure 1 représentée pendant la course de déclenchement faisant suite à un arrêt d'urgence;
- la figure 3 est une coupe transversale de la tête des figures 1 et 2 ;
- la figure 4 est une demi-coupe selon IV-IV de la figure 1 ;
- la figure 5 est un coupe axiale d'une variante sans serrure de la tête illustrée à la figure 1.
Claims (6)
- Interrupteur du type bouton-poussoir comportant des contacts électriques actionnés par une tête constituée par un bouton de commande (1) associé à un corps (2) dans lequel se logent un piston (4) et un poussoir (6) de manoeuvre des contacts électriques, le piston et le poussoir sont susceptibles de coulisser et pivoter dans le corps (2) selon un axe (X-X') sans pouvoir pivoter relativement l'un par rapport à l'autre, le poussoir (6) étant équipé d'un premier verrou (7) et d'un second verrou (8), caractérisé par le fait que le piston (4) est pourvu d'un organe de commande (41) susceptible, lorsque le bouton (1) est poussé, d'actionner le premier verrou (7) dit d'arrêt immobilisant le poussoir (6) en position « repos » et de libérer alors le poussoir (6) qui peut venir en position d'accrochage où il est immobilisé par le second verrou (8) servant à l'accrochage.
- Interrupteur selon la revendication 1, caractérisé par le fait que le poussoir de commande (6) présente des moyens de guidage (61A et 61B) qui sont guidés sur des rampes hélicoïdales (28A et 28B) ménagées dans le corps (2).
- Interrupteur selon la revendication 2, caractérisé par le fait qu'il comporte un ressort d'armement (5) monté de manière à être comprimé entre le piston (4) et le poussoir (6).
- Interrupteur selon la revendication 1 ou 2, caractérisé par le fait que le corps (2) présente une rampe (27A) servant au recul du verrou (8) lorsque le poussoir pivote autour de son axe de rotation (X-X') et un bossage (27B) permettant une indexation du poussoir (6) et du piston (4) en position de déclenchement.
- Interrupteur selon l'une quelconque des revendications précédentes, caractérisé par le fait que le verrou d'accrochage (8) est enfoncé en position « repos » et, après libération du poussoir (6), vient immobiliser ce dernier en position d'accrochage.
- Interrupteur selon la revendication 1, caractérisé par le fait que le bouton de commande (1) reçoit, dans un logement, un barillet de serrure tournant (93) à clé relié en rotation et en translation au piston (4).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9905069A FR2792453B1 (fr) | 1999-04-16 | 1999-04-16 | Interrupteur de type bouton-poussoir pour arret d'urgence |
FR9905069 | 1999-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1045411A1 EP1045411A1 (fr) | 2000-10-18 |
EP1045411B1 true EP1045411B1 (fr) | 2004-06-02 |
Family
ID=9544718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00400994A Expired - Lifetime EP1045411B1 (fr) | 1999-04-16 | 2000-04-11 | Interrupteur de type bouton-poussoir pour arrêt d'urgence |
Country Status (5)
Country | Link |
---|---|
US (1) | US6501037B2 (fr) |
EP (1) | EP1045411B1 (fr) |
DE (1) | DE60011180T2 (fr) |
ES (1) | ES2218080T3 (fr) |
FR (1) | FR2792453B1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2874738B1 (fr) * | 2004-08-25 | 2006-10-27 | Schneider Electric Ind Sas | Bouton d'arret d'urgence |
TW200619480A (en) * | 2004-10-23 | 2006-06-16 | Southco | Slam latch with pop-up knob |
CN101217083B (zh) * | 2008-01-11 | 2011-06-15 | 友达光电(苏州)有限公司 | 分体式紧急停机操作装置 |
US8084701B1 (en) | 2009-06-05 | 2011-12-27 | The Eastern Company | Push button actuator |
FR2971358B1 (fr) * | 2011-02-08 | 2013-07-26 | Schneider Electric Ind Sas | Dispositif de commutation sans-fil |
FR2974232A1 (fr) * | 2011-04-18 | 2012-10-19 | Schneider Electric Ind Sas | Dispositif d'arret d'urgence |
US9728351B2 (en) | 2013-11-27 | 2017-08-08 | The Eastern Company | Electrical switch operated by lockable push button actuator, and retrofit method and kit |
USD747175S1 (en) * | 2014-09-11 | 2016-01-12 | ApexOEM, Inc. | Thumb turn latch |
FR3066042A1 (fr) | 2017-05-02 | 2018-11-09 | Schneider Electric Industries Sas | Dispositif d'arret d'urgence |
CN108133854B (zh) * | 2017-12-22 | 2019-05-21 | 安徽昱和自动化科技有限公司 | 一种急停后锁死防误操作急停按钮 |
DE102018212701A1 (de) * | 2018-07-30 | 2020-01-30 | D. la Porte Söhne GmbH | Selbstverriegelnder Druckknopf |
EP3877999B1 (fr) * | 2018-11-09 | 2023-01-04 | Linak A/S | Arrêt d'urgence |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2521768A1 (fr) * | 1982-02-12 | 1983-08-19 | Telemecanique Electrique | Dispositif d'arret d'urgence |
EP0172926B1 (fr) * | 1984-08-23 | 1988-07-13 | Square D Starkstrom GmbH | Adaptateur de manoeuvre pour dispositifs de commande ou de signalisation, en particulier interrupteur d'arrêt d'urgence |
FR2575590B1 (fr) | 1984-12-28 | 1987-01-23 | Telemecanique Electrique | Appareil interrupteur d'urgence |
DE3608569A1 (de) * | 1986-03-14 | 1987-09-17 | Bbc Brown Boveri & Cie | Betaetigungselement mit einem betaetigungsstoessel fuer explosionsgeschuetztes elektrisches schaltgeraet |
FR2631067B1 (fr) * | 1988-05-04 | 1991-02-08 | Neiman Sa | Verrou a rotor debrayable |
-
1999
- 1999-04-16 FR FR9905069A patent/FR2792453B1/fr not_active Expired - Fee Related
-
2000
- 2000-04-11 DE DE60011180T patent/DE60011180T2/de not_active Expired - Lifetime
- 2000-04-11 ES ES00400994T patent/ES2218080T3/es not_active Expired - Lifetime
- 2000-04-11 EP EP00400994A patent/EP1045411B1/fr not_active Expired - Lifetime
- 2000-04-14 US US09/550,335 patent/US6501037B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2792453B1 (fr) | 2001-05-11 |
DE60011180D1 (de) | 2004-07-08 |
ES2218080T3 (es) | 2004-11-16 |
EP1045411A1 (fr) | 2000-10-18 |
FR2792453A1 (fr) | 2000-10-20 |
DE60011180T2 (de) | 2005-06-09 |
US6501037B2 (en) | 2002-12-31 |
US20020134656A1 (en) | 2002-09-26 |
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