CN102737900A - Anti-collision switch device - Google Patents
Anti-collision switch device Download PDFInfo
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- CN102737900A CN102737900A CN2012101068695A CN201210106869A CN102737900A CN 102737900 A CN102737900 A CN 102737900A CN 2012101068695 A CN2012101068695 A CN 2012101068695A CN 201210106869 A CN201210106869 A CN 201210106869A CN 102737900 A CN102737900 A CN 102737900A
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- main body
- mentioned
- operation keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/002—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings wherein one single insertion movement of a key comprises an unlocking stroke and a switch actuating stroke, e.g. security switch for safety guards
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an anti-collision switch device. In the switch device (11), after a slide door (13) powerfully goes forward to a turn-off position, a movable body (17) which is provided with an operation button (18) is held by a holding part (protruding part) (24). The movable body (17) is held by the holding part (24) of a rack (19) which is different from a head (23). The forward movement of the movable body (17) is limited, i.e. the movement of the operation button (18) to a switch body (16) is limited, and the collision between the operation button (18) and the switch body (16) is prevented. The collision impact between the movable body (17) and the holding part (24) is absorbed by an elastic body (34), so the operation button (18) can reliably cooperate with the switch body (16). The switch device (11) which can prevent the collision between the switch body (16) and the operation button (18) is provided.
Description
Technical field
The present invention relates to for example to surround the employed switching device of emergency exit of the safe fence of lathe etc.
Background technology
TOHKEMY 2002-216592 communique discloses a kind of key switch.This key switch is installed in the emergency exit of the mould switch portion of injection molding machine for example and/or surrounds on the emergency exit of safe fence of lathe etc.This key switch has the switch main body that for example is installed on the safe fence and is installed in the operation keys on the emergency exit.When the closed safe door, operation keys enters in the head of switch main body.Operation keys is locked in head.Its result can prevent that the mistake of emergency exit from opening and closing.
In TOHKEMY 2002-216592 communique, the key portion that operation keys has the key main body and gives prominence to from the front end of key main body.Such operation keys keeps with spring member.When for example operator exerted oneself the closed safe door, the key portion of operation keys can too get into head.The key main body of operation keys collides the outside of head.As stated, because operation keys keeps with spring member, thereby key main body and head impact are at first by the impact of spring member absorbing impact.Its result, the situation that exists head to damage because of the impact of collision.
Summary of the invention
The present invention proposes in view of above-mentioned actual conditions, and its purpose is to provide a kind of switching device that can avoid the collision of switch main body and operation keys.
To achieve these goals,, following switching device is provided, possesses: be installed in the switch main body on first main body according to the present invention; Moving body is installed on second main body that can relatively move with respect to above-mentioned first main body, and on the above-mentioned direction that relatively moves, can relatively moves with respect to above-mentioned second main body, has the operation keys that can cooperate with above-mentioned switch main body; Carrier; Move and aforesaid operations key when cooperating to above-mentioned first main body in above-mentioned second main body with above-mentioned switch main body; Accept above-mentioned moving body stoping the aforesaid operations key, thereby avoid the collision of aforesaid operations key and above-mentioned switch main body to the moving of above-mentioned switch main body; And elastomer, be configured on the moving direction of above-mentioned moving body between above-mentioned moving body and above-mentioned second main body.
In addition, in such switching device, above-mentioned moving body has the carriage that keeps the aforesaid operations key, is stoping the aforesaid operations key in the moving of above-mentioned switch main body, and above-mentioned carriage is accepted by above-mentioned carrier.
In addition, in such switching device, the position of above-mentioned switch main body can be regulated at the moving direction of above-mentioned moving body.On the other hand, the position of aforesaid operations key can be regulated at the moving direction of above-mentioned moving body.
Effect of the present invention is following.
According to above invention, the switching device of the collision that can avoid switch main body and operation keys can be provided.
The detailed description of object of the present invention, characteristic and the advantage of these and other execution mode that represented the present invention enumerates with reference to accompanying drawing will be clearer.
Description of drawings
Fig. 1 is the vertical view of structure of roughly representing the switching device of an embodiment of the invention.
Fig. 2 is the end view of structure of roughly representing the switching device of an embodiment of the invention.
Fig. 3 is the partial sectional view along the 3-3 line of Fig. 2.
Fig. 4 is the local horizontal cutaway view of structure of roughly representing the switch main body of an object lesson.
Fig. 5 is the partial sectional view along the 5-5 line of Fig. 4.
Fig. 6 is the vertical view of the switching device when representing second main body with respect to first main body establishment detent position.
Fig. 7 is the end view of the switching device when representing second main body with respect to first main body establishment detent position.
Fig. 8 is the end view of the switching device of expression second main body when establishing initial progressive position with respect to first main body.
Fig. 9 is the end view of the switching device when representing second main body with respect to first main body establishment most advanced.
Figure 10 is the vertical view of the switching device when representing second main body with respect to first main body establishment most advanced.
Embodiment
Below, with reference to description of drawings an embodiment of the invention.Fig. 1 is the vertical view of structure of roughly representing the switching device 11 of an embodiment of the invention, and Fig. 2 is its end view.This switching device 11 for example is assembled on the safe fence that surrounds lathe.Safe fence has: first main body promptly covers 12; And second main body that can relatively move through moving with respect to lid 12 slips is a sliding door 13.The moving direction of sliding door 13 is defined as along the direction D of regulation.Through sliding door 13 with respect to relatively moving of lid 12 and peristome 14 that can open-close lid 12.
In Fig. 1 and Fig. 2, sliding door 13 is configured in from the detent position of the peristome 14 of closing cap 12 towards position that the open position of opening peristome 14 is retreated a little.Covering on 12 and the for example elastomer 15 of rectangular shape is being installed on the mobile route of the sliding door parallel with direction D 13.Elastomer 15 is formed by for example rubber elastomeric material.When sliding door 13 was configured in detent position, elastomer 15 was accepted moving of (receiving け to end the め Ru) sliding door 13.At this moment, elastomer 15 can absorb the impact by sliding door 13 effects through strain.
Switch main body 16 is installed on the for example flat carriage 19.Carriage 19 usefulness for example four screws 21 are installed in and for example cover on 12 the upper surface.Each screw 21 breakthrough forms are formed on the carriage 19 and are parallel to above-mentioned direction D ground and prolong into the slotted hole 22 of longer dimension and be screwed into and cover in 12 the screwed hole.In the example of Fig. 1, each screw 21 is configured on the center by the two ends centre position defined each other of slotted hole 22.Each screw 21 can move in slotted hole 22.Its result as if the position of in slotted hole 22, adjusting screw 21 along direction D, can be the position of switch main body 16 along direction D adjustment carriage 19 then.
Show that like Fig. 1 switch main body 16 has head 23 in an one of which bight.Head 23 is configured in the front of the switch main body 16 of oriented manipulation key 18.Of the back literary composition, form groove (not shown) in the front of head 23.When sliding door 13 advanced at the detent position towards closed peristome 14, operation keys 18 correspondingly entered in the groove of head 23 with advancing of sliding door 13.Its result, the cam member (not shown) that is configured in the head 23 cooperates with operation keys 18.Thereby through the locking cam member at head 23 lock operation keyss 18.The detailed structure of head 23 will in after state.
On carriage 19, form from the profile of carriage 19 forwards outstanding and from cover 12 front end laterally and forwards outstanding carrier be protuberance 24.Protuberance 24 forms and comprises: from the profile level of carriage 19 the flat base end part 24a that gives prominence to; With the front end of base end part 24a with for example 90 ° angle to above the flat leading section 24b that erects.Leading section 24b is positive upright head 23.The outside face of leading section 24b is followed the usual practice like imaginary plane expansion perpendicular to the ground.Protuberance 24 forms as one with carriage 19.Carriage 19 is formed by for example metallic plate with protuberance 24.
Its opposing party, operation keys 18 forms and comprises: the flat key 18a of portion; With the continuous flat key main part 18b in the rear end of the 18a of key portion; And with the continuous flat installation portion 18c in the rear end of key main part 18b.18a of key portion and key main part 18b follow the usual practice like imaginary plane expansion parallel to the ground.Be formed with the otch that is formed at its front end and be formed at the opening that leans on the rear than otch at the 18a of key portion.Utilize this otch and opening, the 18a of key portion with after the cam member stated cooperate.The 18a of key portion is inserted in the head 23 when sliding door 13 is positioned detent position.At this moment, key main part 18b is configured in the outside of head 23.Installation portion 18c from key main part 18b with 90 ° angle to the top bending.Operation keys 18 is formed by for example metallic plate.
Showing like Fig. 1, is that front end along direction D from the 18a of key portion is size uniformly to the rear end at the width setup with the 18a of key portion of the direction defined of direction D quadrature.The width setup of the 18a of this key portion is littler than the width of the key main part 18b of the direction defined of same and direction D quadrature.Be defined on the direction with direction D quadrature in the leading edge of the key main part 18b in the outside that is defined in the 18a of key portion on the Width of the 18a of key portion.Show that like Fig. 1 the 18a of key portion of operation keys 18 is outstanding towards the head 23 of switch main body 16 on the front at the front end than sliding door 13.
Moving body 17 has the carriage 25 that keeps operation keys 18.Operation keys 18 is installed on the front end face of carriage 25.When mounted, for example two screws 26 are connected installation portion 18c and are screwed in the screwed hole of carriage 25.Carriage 25 forms and comprises: with inside face flat leading section 25a respect to one another and flat rearward end 25b, and with leading section 25a and the interconnective flat connecting portion 25c of rearward end 25b.Above-mentioned operation keys 18 is installed on the outside face of leading section 25a.When sliding door 13 was positioned at the open position of opening peristome 14, the outside face of the outside face of leading section 25a and the leading section 24b of protuberance 24 was expanded abreast.
Fig. 3 is the partial sectional view along the 3-3 line of Fig. 2.When simultaneously with reference to Fig. 3, between the inside face of the inside face of the leading section 25a of carriage 25 and rearward end 25b, dispose a pair of axle 27,27 that extends abreast with direction D.Each 27 form for example cylindric.Each 27 at one end is installed on the leading section 25a with screw 28, is installed on the rearward end 25b with screw 29 at the other end.Axle 27,27 each other and the direction of direction D quadrature on dispose between with regulation with keeping apart.At this, each other operation keys 18 is installed on the leading section 25a of carriage 25 at axle 27,27.
Axle 27,27 is supported on the block 31 of the leading section 25a that is configured in carriage 25 and the for example rectangular shape between the rearward end 25b.Block 31 is contained in axle 27,27 with direction D and connects abreast in a pair of through hole 32,32 of block 31.Length setting along the block 31 of direction D regulation be littler than same leading section 25a and the distance of stipulating along direction D between the rearward end 25b.Its result, block 31 can be slided mobile along axle 27 between leading section 25a and rearward end 25b.For example self-lubricating bush 33 is pressed in the through hole 32.When slide moving, utilize the effect of self-lubricating bush 33 and can allow spools 27 slips in through hole 32.
Between the front end of the leading section 25a of carriage 25 and block 31, each be equipped with on 27 with axle 27 coaxial elastomers be helical spring 34.Helical spring 34 both can be installed in the state of the original shape that do not receive external force on the axle 27, and the state that perhaps also can compress to receive external force is installed on the axle 27.In this execution mode, helical spring 34 is installed on the axle 27 with the state of original shape.Because the effect of helical spring 34, the rear end of block 31 is accepted by the rearward end 25b of carriage 25.In addition, with regard to elastomer, for example also can using, block rubber replaces helical spring 34.
Fig. 4 is the local horizontal cutaway view of structure of roughly representing the switch main body 16 of an object lesson, and Fig. 5 is the cutaway view along the 5-5 line of Fig. 4.Switch main body 16 has casing 37.In casing 37, form the groove 38 that extends with direction D quadrature and along continuous straight runs in the front of head 23.Groove 38 is used to hold the 18a of key portion of operation keys 18.The cam member 39 that configuration and groove 38 are faced in casing 37.Cam member 39 can rotate around the rotating shaft 41 that for example along continuous straight runs extends.The rotation of cam member 39 is of back literary composition, owing to cause the cooperating of the 18a of key portion of operation keys 18.The rotation of cam member 39 can be locked in the position of the predetermined anglec of rotation.
Switch main body 16 uses any of so-called mechanical lock fixed pattern or electromagnetic lock fixed pattern.Which kind of form all is assembled with the solenoid (not shown) that carries out break-make through the supply of electric current in the casing 37 of switch main body 16.Plunger (plunger) (not shown) and the correspondingly rotation of locking cam member 39 of solenoidal break-make are kept the 18a of key portion of operation keys 18 and cooperating of cam member 39.The blocked mode of rotation of cam member 39 was equivalent to the mechanical lock fixed pattern when as everyone knows, solenoid broke off.The blocked mode of rotation of cam member 39 was equivalent to the electromagnetic lock fixed pattern when solenoid was connected.
Below, the on-off action of sliding door 13 is described.Sliding door 13 along direction D towards off-position when closing direction advances, as shown in Figure 6, sliding door 13 is accepted by elastomer 15 at its front end.Elastomer 15 absorbs the impact from sliding door 13 through strain.It is off-position that sliding door 13 is established primary importance with respect to lid 12.At this moment, the 18a of key portion of operation keys 18 from the head 23 groove 38 be inserted in the head 23.The 18a of key portion that is inserted into the precalculated position cooperates with cam member 39.At this moment, utilize helical spring 34 to keep the relative position of 18 pairs of sliding doors 13 of operation keys.
As shown in Figure 7, along with the cooperating of the 18a of key portion, cam member 39 rotates to predetermined spin angular position around rotating shaft 41.At this moment, the leading section 25a of the carriage 25 of operation keys 18 is relative with the leading section 24b of predetermined gap and protuberance 24.That is, the outside face of the outside face of leading section 25a and leading section 24b is expanded in parallel to each other.When position cam member 39 lockings in the predetermined anglec of rotation, the 18a of key portion and the cooperating of cam member 39 of operation keys 18 are locked.The 18a of key portion from the head 23 come off be able to the restriction.Its result, relatively moving of 13 pairs of lids 12 of sliding door is restricted.So, because the switching of sliding door 13 is restricted, thereby can prevent that for example the people enters in the safe fence.
Its on the other hand, with when usually bigger power is closed, sliding door 13 collides with bigger power and elastomer 15 at sliding door 13.Its result, elastomer 15 is biglyyer than the aforementioned strain of carrying out.It is initial progressive position near the second place of lid 12 more that sliding door 13 is established than aforesaid off-position.Its result, as shown in Figure 8, the leading section 25a of carriage 25 is accepted by the leading section 24b of protuberance 24.Like this, operating parts 18 is with respect to approaching being prevented from this of head 23.At this moment, the leading edge of key main part 18b and the casing 37 of head 23 between the predetermined gap of regulation.At this constantly, the leading section 25a of carriage 25 and the distance between the block 31 are that the length of helical spring 34 can not change.
As shown in Figure 9, when sliding door 13 because of the impetus of sliding door 13 from initial progressive position further to lid 12 near the time, sliding door 13 establish with lid 12 the 3rd approaching to greatest extent positions be most advanced.Elastomer 15 produces strain to greatest extent.The slip of sliding door 13 is moved and is stopped.As stated, because leading section 24b accepts leading section 25a, thereby the approaching of operation keys 18 relative heads 23 is prevented from.Therefore, along with sliding door 13 moves to most advanced from initial progressive position, carriage 25 slides with respect to block 31 and moves.Block 31 relatively moves towards the relative carriage 25 of leading section 25a.On helical spring 34, accumulate elastic restoring force.So, the impact of the collision of leading section 25a and leading section 24b is absorbed.
Because leading section 24b accepts leading section 25a, show that like Figure 10 the leading edge of the key main part 18b of operation keys 18 and the size in the gap between the head 23 do not change.So, just can avoid the collision of casing 37 of key main part 18b and the head 23 of operation keys 18 reliably.Its result can avoid the damage of head 23 reliably.Then, utilize the elastic restoring force of elastomer 15 and sliding door 13 is pushed back to off-position.At this moment, utilizing the elastic restoring force of helical spring 34 to keep operation keys 18 relative block 31 is the position of sliding door 13.Keep the 18a of key portion of operation keys 18 and cooperating of cam member 39.
When sliding door 13 be returned to Fig. 6 and shown in Figure 7 off-position, with aforementioned same, the leading section 24b of the leading section 25a of carriage 25 and protuberance 24 between form gap thereafter.At this, this gap is set at following size:, also can keep the cooperation between 18a of key portion and the cam part 39 in the distance in this gap even operation keys 18 craniad 23 moves.Likewise, the size in this gap is following size: even operation keys 18 craniad 23 moves in the distance in this gap, between the leading edge of key main part 18b and head 23, also can keep predetermined gap.As long as keep the size in such gap, just can avoid the collision of operation keys 18 and head 23 reliably.
In aforesaid switching device 11, after off-position was advanced, the leading section 25a of carriage 25 with moving body 17 of operation keys 18 was accepted by the leading section 24b of the protuberance 24 of the carriage 19 of supporting switch main body 16 in sliding door 13 advantages.That is, moving body 17 is accepted by the protuberance 24 of the carriage 19 different with head 23.Its result, advancing of carriage 25 is restricted.That is, operation keys 18 is restricted to the mobile of switch main body 16.Can avoid reliably operation keys 18 and switch main body 16, especially with the collision of head 23.At this moment, the impact of the collision of leading section 25a and leading section 24b is absorbed by helical spring 34.Its result, operation keys 18 can cooperate with operation keys 18 reliably.
In addition, in switching device 11, if just carriage 19 that can the position of adjustment screw 21 can be regulated on the direction D in slotted hole 22 is the position of switch main body 16.Equally, if just the block 31 that adjustment screw 36 can be regulated on the direction D with respect to the position of carriage 35 is the position of operation keys 18.Regulate through these, can regulate the length in the gap between the leading section 25b of leading section 24b and carriage 25 of protuberance 24.So, the just distance between by-pass cock main body 16 and the operation keys 18 simply.In addition, the leading section 24b of the protuberance 24 installation portion 18c that also can accept operation keys 18 replaces accepting the leading section 24b of above-mentioned protuberance 24.At this moment, installation portion 18c is from the angle downwards bending of key main part 18b with 90 °.
More than, the execution mode that uses the present invention to enumerate illustrates the present invention, it will be appreciated by those skilled in the art that not break away from illustrated spirit of the present invention and scope, can carry out above-mentioned or various change, omission and increase.
Claims (4)
1. a switching device (11) is characterized in that possessing:
Be installed in the switch main body (16) on first main body (12);
Moving body (17); Be installed on second main body (13) that can relatively move with respect to above-mentioned first main body (12); And on the above-mentioned direction that relatively moves, can relatively move with respect to above-mentioned second main body (13), have the operation keys (18) that can cooperate with above-mentioned switch main body (16);
Carrier (24); Move and aforesaid operations key (18) and above-mentioned switch main body (16) when cooperating to above-mentioned first main body (12) in above-mentioned second main body (13); Accept above-mentioned moving body (17) stoping aforesaid operations key (18), thereby avoid the collision of aforesaid operations key (18) and above-mentioned switch main body (16) to the moving of above-mentioned switch main body (16); And
Elastomer (34) is being configured on the moving direction of above-mentioned moving body (17) between above-mentioned moving body (17) and above-mentioned second main body (13).
2. switching device as claimed in claim 1 (11) is characterized in that,
Above-mentioned moving body (17) has the carriage (25) that keeps aforesaid operations key (18), is stoping aforesaid operations key (18) in the moving of above-mentioned switch main body (16), and above-mentioned carriage (25) is accepted by above-mentioned carrier (24).
3. according to claim 1 or claim 2 switching device (11) is characterized in that,
The position of above-mentioned switch main body (16) can be regulated at the moving direction of above-mentioned moving body (17).
4. like any one described switching device (11) in the claim 1～3, it is characterized in that,
The position of aforesaid operations key (18) can be regulated at the moving direction of above-mentioned moving body (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011089263A JP5108129B2 (en) | 2011-04-13 | 2011-04-13 | Switch device having collision prevention function |
| JP2011-089263 | 2011-04-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102737900A true CN102737900A (en) | 2012-10-17 |
| CN102737900B CN102737900B (en) | 2013-11-06 |
Family
ID=46935688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210106869.5A Active CN102737900B (en) | 2011-04-13 | 2012-04-12 | Anti-collision switch device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5108129B2 (en) |
| CN (1) | CN102737900B (en) |
| DE (1) | DE102012007023B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394031A (en) * | 2021-08-17 | 2021-09-14 | 江苏吉野电气有限公司 | Anti-collision travel switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017206781A1 (en) * | 2017-04-21 | 2018-10-25 | Festo Ag & Co. Kg | Locking device and locking system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160811A2 (en) * | 2000-05-12 | 2001-12-05 | Omron Corporation | Key unit and switch body and door switch using the same |
| JP2002216592A (en) * | 2001-01-19 | 2002-08-02 | Omron Corp | Key switch and operation key for key switch |
| JP2006140040A (en) * | 2004-11-12 | 2006-06-01 | Omron Corp | Sliding key and door switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0700146D0 (en) | 2007-01-05 | 2007-02-14 | Eja Ltd | Safety switch mounting |
| ITVI20080101A1 (en) | 2008-04-24 | 2009-10-25 | Pizzato Elettrica Srl | SAFETY SWITCH APPARATUS. |
| JP5586444B2 (en) * | 2009-12-10 | 2014-09-10 | Ｉｄｅｃ株式会社 | Actuator mechanism for safety switch |
-
2011
- 2011-04-13 JP JP2011089263A patent/JP5108129B2/en active Active
-
2012
- 2012-04-05 DE DE102012007023.3A patent/DE102012007023B4/en active Active
- 2012-04-12 CN CN201210106869.5A patent/CN102737900B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160811A2 (en) * | 2000-05-12 | 2001-12-05 | Omron Corporation | Key unit and switch body and door switch using the same |
| JP2002216592A (en) * | 2001-01-19 | 2002-08-02 | Omron Corp | Key switch and operation key for key switch |
| JP2006140040A (en) * | 2004-11-12 | 2006-06-01 | Omron Corp | Sliding key and door switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394031A (en) * | 2021-08-17 | 2021-09-14 | 江苏吉野电气有限公司 | Anti-collision travel switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012221880A (en) | 2012-11-12 |
| DE102012007023A1 (en) | 2012-10-18 |
| JP5108129B2 (en) | 2012-12-26 |
| CN102737900B (en) | 2013-11-06 |
| DE102012007023B4 (en) | 2022-01-27 |
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