EP1231621A1 - Interrupteur de position - Google Patents
Interrupteur de position Download PDFInfo
- Publication number
- EP1231621A1 EP1231621A1 EP02075379A EP02075379A EP1231621A1 EP 1231621 A1 EP1231621 A1 EP 1231621A1 EP 02075379 A EP02075379 A EP 02075379A EP 02075379 A EP02075379 A EP 02075379A EP 1231621 A1 EP1231621 A1 EP 1231621A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- elements
- forms
- guiding
- cable
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
- H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
Definitions
- the present invention relates to a motion detection switch device or proximity, comprising a sensitive organ for carrying out this detection, as well that a body defining a housing for a switch assembly controlled by the sensitive organ and connected to the outside by an electrical connection cable, the housing being closed by a removable cover.
- Position or safety switches for industrial use are good known (for example XCK-J products, see Telemecanique catalog "switches position ", April 1999). Wiring the contact block of such devices is difficult and the different devices of a range require different cases when you would like to connect cables of different diameters to these boxes or add these boxes of cable entries provided with different threads.
- WO-99/27 551 shows a position switch in which the body and the cover each have a threaded half-flange to receive a nut tightening a sealing sleeve. Tightening the nut has the effect of deform or reposition the cover, which impairs the sealing qualities of the device.
- the invention aims to facilitate mounting and wiring in the body of such devices, of a switch block provided with connection elements, respecting a good sealing of the assembly, while allowing the use of cables different diameters or fittings of different characteristics without changing the body.
- the removable cable gland connector is introduced by means of interlocking elements, by a sliding movement in a direction substantially perpendicular to the main wall of the cover, in forms of guidance and support provided in the body. It is thus possible to add to a same body of fittings differentiated by their internal diameter or by their type of thread.
- the forms of guiding and holding the body are preferably straight and the coupling fitting elements form a frame provided on its sides with shapes of complementary insertion of the guiding and holding forms, the block switch and fitting being introduced into the body of the device in a single direction.
- the frame is advantageously symmetrical, located at the end of the fitting and housed partly in the housing of the switch block and partly in forms guide and holding provided in the cover.
- the fitting carries an external seal and the cover is mounted on the body by means of pivoting elements, preferably hooks, provided near from one end and has at the other end a fixing screw to the body, the pivot elements being offset from the plane of the main wall of the cover so as to increase the tightening torque of the seal.
- the switch device shown in the figures is a position switch, which comprises a body 10 and, as an organ sensitive to the movement of an object, a pivoting lever assembly 11 fixed to the body near a first end 10a of this one.
- the body is of generally parallelepiped shape and defines near this end 10a a housing 11a for receiving part of the assembly 11; the body also defines in its intermediate part 10c a housing 12a for receiving, by introduction in a direction Y, a removable switch block 12 which is actuated by the assembly 11, the housing 12a being normally closed by a cover 20.
- the switch block 12 has mechanical switching elements or electronic and it is connected to an organ or circuit external to the device by means of connection elements 12b to which assembled conductors are connected in a cable C (see FIG.
- Block 12 presents towards the top ( Figures 1 and 2) a snap-on plate 12c which hides the areas of connection after wiring.
- the body 10, the cover 20 and the connector 30 are in insulating or metallic material.
- the body 10 of the device has substantially flat side walls 13 and a flat bottom wall 14 of plane P which delimit the housing 12a.
- the body 10 has a wall 15 for passage of the cable C.
- the wall 15 has a semi-circular recess which forms a half-flange 16 to form a passage for cable C.
- Towards the inside of the body with respect to the flange are provided with straight lines for guiding and holding the connector 17, by example of the grooves and / or ribs directed perpendicular to the plane P of the bottom wall 14 (vertical in the figures).
- a cover 20 is fixed to the body to close the opening through which the switch block 12. It comprises a main closing wall 21 which is planar or left, extending substantially parallel to the plane P of the rear face 14, to cover the housing 12a.
- the cover 20 has transverse walls 22 which narrow from its end foot 22b which is close to 10b towards its head end 22a which is close to 10a.
- the walls 22 have for example a general trapezoidal or triangular shape and each end with a hook 23 intended to bear on the body in cooperating with a socket 18 formed in a side wall 13 of the body at a significant distance from wall 21, for example halfway between walls 21 and 14. Instead of hooks 23, snap-in pivots can be produced.
- the sockets 18 are located closer to the wall 15 than the shapes 17 and below the X axis (figure 2).
- the cover 20 In the middle of its head end 22a, the cover 20 has a hole intended for a screw 24, this screw cooperating with a tapped hole in the body to ensure fixing the cover.
- the cover 20 has a wall with a semi-circular recess which forms a half-collar 26 completing the half-collar 16 of the body 10.
- Shapes rectilinear 27 for guiding and holding the connector 30 (vertical in the figures), for example symmetrical shapes 17 with respect to the assembly plane, are provided inside the cover.
- the cover 20 bears on its periphery a bi-injected sealing bead 28 intended to cooperate with the upper edge of the body bordering the housing 12.
- the connector 30 has a body 31 of general shape of revolution provided with a partly threaded passage 32 of axis X to receive cable C and a non-gasket shown ensuring local sealing around the cable.
- the trim is set pressure by an unspecified member which is screwed into the threaded part of the passage 32.
- the connector has a cylindrical part adapted to the half-flanges 16,26, with an outer groove 33 in which is housed an O-ring seal 34, which seal therefore cooperates with the half-collars; in its part intended to be housed inside the body 10, the connector 30 has a mounting frame 36 substantially square or rectangular.
- Cheek 36 forms a symmetrical frame provided on its sides, complementary rectilinear insertion shapes 37 (for example ribs and / or grooves) of the shapes 17 of the body so as to allow mounting removable from the fitting.
- Forms 37 cooperate with forms 17.27 by interlocking; the shapes in question can have a ratcheting or hard point added to the nesting effect.
- the fittings 30 can thus differ by their part enclosing the cable and / or by their cable gland threads while retaining a part integrated into the body, in particular a mounting cheek 36, which remains unchanged.
- the symmetrical shape in H of the frame allows it to be mounted in the body in two positions offset 180 ° and get a similar fit in the body and in the cover.
- the wiring of the switch block 12 is carried out conveniently while the block has been introduced in the direction Y perpendicular to the bottom wall 14 inside its housing 12a of the body 10.
- the fitting 30 of the type suitable for the cable, and engaged on the cable, is then slid into the forms 17 in the same direction Y, with plug of contact of the seal on the half-flange 16.
- the cover 20 is engaged by its hooks 23 on the sockets 18 and by its shapes 27 on the shapes 37 of the connector, then is pivoted around these sockets, while the O-ring 34 takes support on the half-collar 26.
- the tightening of the single fixing screw 24 makes it possible to pressurize the seal 34, and this with an increased effort by the offset of the hooks 18 relative to the plane P of the wall 21 of the cover.
- the invention described with regard to a position or safety switch, applies also to all proximity switches including connection blocks or removable switch blocks.
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims (7)
- Appareil interrupteur à détection de mouvement ou de proximité, comprenant un organe sensible (11) pour effectuer cette détection, ainsi qu'un corps (10) définissant une paroi de fond (14) et un logement (12a) pour un bloc interrupteur (12) commandé par l'organe sensible, doté d'éléments de connexion reliés à l'extérieur par un câble, le logement étant fermé à l'opposé de la paroi de fond par un couvercle démontable (20), le corps (10) et le couvercle (20) présentant chacun une partie de collerette (16, 26) apte à former une collerette qui détermine une ouverture de passage étanche du câble,
caractérisé par le fait qu' un raccord amovible (30) passe-câble est introduit au moyen d'éléments d'emboítement (36) par glissement, selon une direction sensiblement perpendiculaire au plan (P) de la paroi de fond (14) du corps, dans des formes (17,27) de guidage et de maintien prévues dans le corps. - Appareil selon la revendication 1, caractérisé par le fait que les formes (17) de guidage et de maintien prévues dans le corps sont rectilignes et que les éléments d'emboítement (36) du raccord forment un cadre muni sur ses côtés de formes d'insertion (37) complémentaires des formes (17) de guidage et de maintien, le bloc interrupteur (12) et le raccord (30) étant introduits dans le corps (10) de l'appareil dans une même direction (Y).
- Appareil selon la revendication 1, caractérisé par le fait que les éléments d'emboítement (36) forment un cadre situé à l'extrémité du raccord (30) et logé en partie dans le logement (12a) du bloc interrupteur (12) et en partie dans des formes (27) de guidage et de maintien prévues dans le couvercle (20).
- Appareil selon la revendication 1, caractérisé par le fait que le raccord (30) porte un joint (34) d'étanchéité extérieur Iqui se loge dans des demi-collerettes (16,26) du corps (10) et du couvercle (20) et que le couvercle est monté sur le corps au moyen d'éléments de pivotement (23) prévus près d'une extrémité (10b) du corps et présente vers l'autre extrémité (10a) du corps une vis (24) de fixation au corps, les éléments de pivotement étant décalés par rapport à la paroi du couvercle de manière à augmenter le couple de serrage du joint.
- Appareil selon la revendication 1, caractérisé par le fait que les éléments de pivotement (23) sont des crochets coopérant avec des prises (18) prévues dans les parois latérales (13) du corps.
- Appareil selon la revendication 1, caractérisé par le fait que les éléments d'emboítement (36) sont en forme de cadre symétrique.
- Appareil selon la revendication 1, caractérisé par le fait que le couvercle (20) porte sur son pourtour un cordon d'étanchéité (28) bi-injecté.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0101744A FR2820542B1 (fr) | 2001-02-07 | 2001-02-07 | Interrupteur de position |
| FR0101744 | 2001-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1231621A1 true EP1231621A1 (fr) | 2002-08-14 |
| EP1231621B1 EP1231621B1 (fr) | 2009-09-16 |
Family
ID=8859803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02075379A Expired - Lifetime EP1231621B1 (fr) | 2001-02-07 | 2002-01-28 | Interrupteur de position |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6635833B2 (fr) |
| EP (1) | EP1231621B1 (fr) |
| CN (1) | CN1201354C (fr) |
| DE (1) | DE60233694D1 (fr) |
| FR (1) | FR2820542B1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4152269B2 (ja) * | 2003-07-04 | 2008-09-17 | 矢崎総業株式会社 | 部品半装着防止用接続ブロックとそれを備えた電気接続箱 |
| DE102007032841A1 (de) * | 2007-07-12 | 2009-01-15 | Abb Ag | Installationsschaltgerät mit Isolierstoffgehäuse |
| JP6080359B2 (ja) * | 2012-01-13 | 2017-02-15 | オムロン株式会社 | リミットスイッチ |
| USD751997S1 (en) * | 2013-08-08 | 2016-03-22 | Omron Corporation | Box cover for limit switch |
| CN104528484A (zh) * | 2014-12-26 | 2015-04-22 | 苏州威尔特铝合金升降机械有限公司 | 一种升降机的接触开关 |
| JP6808353B2 (ja) * | 2015-05-29 | 2021-01-06 | コイト電工株式会社 | 押ボタン箱 |
| US10297400B2 (en) | 2017-06-28 | 2019-05-21 | Eaton Intelligent Power Lmited | Multi-pole electrical switching apparatus and trip cam assembly therefor |
| US10090129B1 (en) * | 2017-06-28 | 2018-10-02 | Eaton Intelligent Power Limited | Housing assembly for an electrical switch |
| DE102021002336B3 (de) | 2021-05-04 | 2022-08-18 | Pepperl+Fuchs Se | Sensorgehäuse |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999027551A1 (fr) * | 1997-11-21 | 1999-06-03 | Honeywell Control Systems Ltd. | Interrupteur de fin de course |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578932A (en) * | 1968-06-17 | 1971-05-18 | Robertshaw Controls Co | Reversibly mountable limit switch construction |
| JPS5340870A (en) * | 1976-09-27 | 1978-04-13 | Matsushita Electric Works Ltd | Electric switch |
| CA1236506A (fr) * | 1983-01-12 | 1988-05-10 | Norio Iwakiri | Interrupteur de fin de course |
| JPH0656733B2 (ja) * | 1985-10-30 | 1994-07-27 | オムロン株式会社 | リミットスイッチ |
| US4847453A (en) * | 1987-11-03 | 1989-07-11 | Square D Company | Limit switch with actuator |
| DE4412923C1 (de) * | 1994-04-15 | 1995-08-31 | Bernstein Senso Plus Gmbh | Elektrischer Schalter mit Tastkopf |
-
2001
- 2001-02-07 FR FR0101744A patent/FR2820542B1/fr not_active Expired - Lifetime
-
2002
- 2002-01-28 DE DE60233694T patent/DE60233694D1/de not_active Expired - Lifetime
- 2002-01-28 EP EP02075379A patent/EP1231621B1/fr not_active Expired - Lifetime
- 2002-02-01 US US10/060,217 patent/US6635833B2/en not_active Expired - Lifetime
- 2002-02-07 CN CN02106835.6A patent/CN1201354C/zh not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999027551A1 (fr) * | 1997-11-21 | 1999-06-03 | Honeywell Control Systems Ltd. | Interrupteur de fin de course |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1369892A (zh) | 2002-09-18 |
| US6635833B2 (en) | 2003-10-21 |
| FR2820542B1 (fr) | 2004-07-16 |
| CN1201354C (zh) | 2005-05-11 |
| DE60233694D1 (de) | 2009-10-29 |
| FR2820542A1 (fr) | 2002-08-09 |
| US20020104744A1 (en) | 2002-08-08 |
| EP1231621B1 (fr) | 2009-09-16 |
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