CN203769454U - Key switch - Google Patents

Key switch Download PDF

Info

Publication number
CN203769454U
CN203769454U CN201320678910.6U CN201320678910U CN203769454U CN 203769454 U CN203769454 U CN 203769454U CN 201320678910 U CN201320678910 U CN 201320678910U CN 203769454 U CN203769454 U CN 203769454U
Authority
CN
China
Prior art keywords
slide unit
locked
back side
door
releasing parts
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 - Fee Related
Application number
CN201320678910.6U
Other languages
Chinese (zh)
Inventor
狩野俊介
小谷雅文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Omron Corp filed Critical Omron Corp
Application granted granted Critical
Publication of CN203769454U publication Critical patent/CN203769454U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/0065Operating modes; Transformable to different operating modes
    • E05B63/0069Override systems, e.g. allowing opening from inside without the key, even when locked from outside
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/10Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16PSAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling

Abstract

The utility model relates to an anti-trapped key-type key switch and provides a key switch, wherein the deadlocking state of the key switch can be relieved from inside by working stuff trapped in a hazardous area. The key switch (1A) comprises a first switch, a second switch, a first sliding part, a second sliding part, a deadlocking part, and a deadlocking unlocking operation unit. When a door is closed, a door opening/closing part arranged on the door is received by the first switch. When the door is opened, the first switch is in movement linkage with a door latch mechanism so as to detect the opening/closing state of the door, wherein during the above process, the door opening/closing part is released by the door latch mechanism. The second switch is used for detecting the deadlocking state and the unlocking state, wherein the deadlocking state and the unlocking state are realized by a drive unit. Meanwhile, based on a door opening signal or a door closing signal, the drive unit conducts the driving operation. The first sliding part is driven by the drive unit to move. The second sliding part is disabled to move due to the movement of the first sliding part along one direction, while being enabled to move due to the movement of the first sliding part along another direction. The deadlocking part is in movement linkage with the second sliding part so as to be moved to the deadlocking position and the unlocking position. The deadlocking unlocking operation unit can be operated from the outside of the door, so that the second sliding part can be moved to the deadlocking position and the unlocking position.

Description

Key swich
Technical field
The utility model relates to the key swich on the door of the access that is arranged on deathtrap, and described access surrounds by safety barrier and the side running therein such as Work robot.
Background technology
When operating personnel is for inspection of Work robot etc. and while entering in deathtrap, need to avoid operating personnel to be involved in and injured situation by machineries such as robots.For this reason, the door that is arranged on deathtrap as patent documentation 1,2 key swiches of being recorded is upper, stops the machineries such as robot in the time that door is not fully closed.
Even if be provided with this key swich, the scheme of various key swiches has still been proposed, although that is: prevent from having entered deathtrap operating personnel, be judged as no operatton personnel and from outside pin door such situation, operating personnel is closed the situation in inside, deathtrap.In such key swich, there is the back side and discharge key type and anti-tired key-type.
As shown in patent documentation 3,4, the back side discharges key type and is provided with the back side release button that can operate from inner side, deathtrap at the back side place of key swich, even if key swich is in locking state, discharge button by pressing the back side from inner side, deathtrap, make key swich become released state, open door and can escape from laterally.
Have as anti-tired key-type, as shown in patent documentation 5, arrange because drive division makes to move body while being in the unlocked position, make switching part turn to operating body (anti-tired key) locked, unlocked position, or, as shown in patent documentation 6, in the time that setting is in the unlocked position connecting piece due to solenoid, via the locked parts of blade, make slide unit slide into anti-tired key locked, unlocked position.By such key swich, carry out unlocking operation by anti-tired key, even if having after anti-tired key entered deathtrap, make mistakes and door locked, if will prevent, tired key will be pulled down can not become locking state, just can open door, thus can prevent from being closed in deathtrap.
Patent documentation 1: Japanese patent laid-open 6-76675 communique;
Patent documentation 2: Japanese patent laid-open 10-334772 communique;
Patent documentation 3: Japanese patent laid-open 10-302580 communique;
Patent documentation 4: International Publication 2007-066803 communique;
Patent documentation 5: Japanese Patent Laid-Open 2000-207979 communique;
Patent documentation 6: Japanese Patent Laid-Open 2006-228616 communique.
Utility model content
But, in anti-tired key-type, enter deathtrap multiple operating personnels, the operating personnel who wherein holds anti-tired key goes out to outside, deathtrap, and think that crew goes out to outside by mistake, thereby lock in the situation of door, existed the operating personnel who stays deathtrap to be closed the problem in deathtrap.Therefore, seek a kind of closed the operating personnel of deathtrap can remove from inner side locked key swich.
Therefore, even in anti-tired key-type, as the back side discharges key type, consider to arrange at the back side of key swich from exercisable control lever or button inside deathtrap, still, in anti-tired key-type, have by the parts of tubular coil drive with by anti-tired key operated these two parts of parts, due to their moving direction difference, the back side is set and discharges button, be difficult to make these two parts side by side to move.
Therefore, the utility model, in the key swich of anti-tired key-type, object is to provide to be closed can remove locked key swich the operating personnel of deathtrap from inner side.
In order to solve described problem, the utility model provides a kind of key swich, comprise: the first switch, in the time that door is closed, storage is arranged on the door opening and closing member on door, in the time that door is opened with discharge the action phase interlock of door bolt mechanism of described opening and closing member the switching of detecting gate; Second switch, detects the locked and release undertaken by driver element, and described driver element drives based on door opening signal or door shutdown signal; The first slide unit, moves by the driving of described driver element; The second slide unit, the movement of a direction by described the first slide unit and cannot moving, the movement of another direction by described the first slide unit and can moving; Locked parts, the mobile phase interlock with described the second slide unit, moves to locking position and unlocked position; Locked unlocking operation unit, the mode that can operate with the outside from door arranges, and makes described the second slide unit move to locking position and unlocked position; In described key swich, be provided with: the locked releasing parts in the back side, the mode that can operate with the inner side from door arranges, by operation first stage make described the first slide unit move to unlocked position, and by operation second stage make described the second slide unit move to unlocked position.Concrete, described the first slide unit forms in the mode that moves to first direction and the second direction contrary with this first direction along the first axle by the driving of described driver element; Described the second slide unit with the movement of the first direction by described the first slide unit along the second axial third direction vertical with described the first axle with contrary fourth direction can move with this third direction, and the movement of second direction by described the first slide unit and forming to described third direction and the irremovable mode of described fourth direction; Described locked parts are conciliate lock assembly mode to move to locking position forms, at described locking position place, described locked parts and described the second slide unit are to the mobile phase interlock of described third direction and be received into locked described door bolt mechanism under the state of described door opening and closing member at described door bolt mechanism, in described unlocked position, described locked parts and described the second slide unit are set to discharge the state of described door opening and closing member to the mobile phase interlock of fourth direction and described door bolt mechanism; Described locked unlocking operation unit so that the mode that described the second slide unit moves to described third direction and described fourth direction form; The locked releasing parts in the described back side are by the first stage of operation, described the first slide unit is moved to first direction, and the mode that described slide unit is moved by the second stage of operation to third direction forms.
By described formation, although the inner side of operating personnel in door and door by locked situation under, if operating personnel is from the locked releasing parts in the operation back side, inner side of door, can be by the first stage of operation, the first slide unit moves to first direction, and by the second stage of operation, the second slide unit moves to third direction, therefore, become released state because locked parts move to unlocked position, operating personnel opens door and then can escape from laterally.
The locked releasing parts in the described back side arrange in mode that can push operation.In this case, on at least one of the locked releasing parts of described the first slide unit or the described back side, the first inclined plane is set, described the first inclined plane makes described the first slide unit move to first direction by the first stage of the operation of the locked releasing parts in the described back side; On at least one of the locked releasing parts of described the second slide unit or the described back side, the second inclined plane is set, described the second inclined plane makes described the second slide unit move to third direction by the second stage of the operation of the locked releasing parts in the described back side.
By described formation, if operating personnel is from the locked releasing parts in the operation back side, inner side of door, by the first stage of operation, on the first inclined plane arranging at least one of locked releasing parts and the first slide unit overleaf, thereby other parts described the first slide unit that slides moves to first direction, and then due to the second stage operating, on the second inclined plane arranging at least one of locked releasing parts and the first slide unit overleaf, thereby other parts second slide unit that slides moves to third direction, therefore, because locked parts move to unlocked position, become released state, operating personnel opens door and then can escape from laterally.
The locked releasing parts in the described back side arrange in the mode that can rotate operation.In this case, on the locked releasing parts in the described back side, setting is pressed described the first slide unit so that its first press section of moving to first direction by the first stage of the operation of the locked releasing parts in the described back side; On the locked releasing parts in the described back side, setting is pressed described the second slide unit so that its second press section of moving to third direction by the second stage of the operation of the locked releasing parts in the described back side.
By described formation, if operating personnel is from the locked releasing parts in the operation back side, inner side of door, due to the first stage of operation, the first press section that is arranged on the locked releasing parts in the back side is pressed the first sliding part and is moved to first direction, and then due to the second stage operating, the second slide unit is pressed in the second press section that is arranged on the locked releasing parts in the back side, the second slide unit moves to third direction, therefore, because locked parts move to unlocked position, become released state, can escape from laterally thereby operating personnel opens door.
Also the action bars of the locked releasing parts in the back side described in can setting operation.By described formation, the operating personnel of having been closed can promptly carry out due to action bars the operation of the locked releasing parts in the back side.
Based on the related key swich of the utility model, in the key swich of anti-tired key-type, although in the situation that operating personnel is lockable in the inner door of door, if operating personnel is from the locked releasing parts in the operation back side, inner side of door, by first stage, the second stage of operation, the first slide unit and the second slide unit are removed locked from inner side, open door and can escape from laterally, and can guarantee safety.
Brief description of the drawings
Fig. 1 is the stereogram that the key swich based on the first embodiment of the present utility model is tiltedly observed from front;
Fig. 2 is the stereogram that the key swich of Fig. 1 is tiltedly observed from the back side;
Fig. 3 is the stereogram of locked unlocking operation key, the cover cap of the dismounting key swich of Fig. 1, interior cover cap, top cap;
Fig. 4 is the elevation of the key swich of Fig. 1;
Fig. 5 is the partial cross section figure of door bolt mechanism;
Fig. 6 is the stereogram of locked/release mechanism;
Fig. 7 is the stereogram from a direction and the observation of another direction of the first slide unit;
Fig. 8 is the stereogram from a direction and the observation of another direction of the second slide unit;
Fig. 9 is the oblique view from a direction and the observation of another direction of locked parts;
Figure 10 is the stereogram of locked unlocking operation bar;
Figure 11 is the stereogram of the locked releasing parts in the back side;
Figure 12 is the elevation of represent to be caused by the locked unlocking operation bar locked/action of release mechanism;
Figure 13 is the elevation of represent to be caused by the locked releasing parts in the back side locked/action of release mechanism;
Figure 14 is the stereogram that the key swich based on the utility model the second embodiment is tiltedly observed from the back side;
Figure 15 be Figure 14 key swich locked/stereogram of release mechanism;
Figure 16 is the stereogram of the first slide unit;
Figure 17 is the stereogram of the second slide unit;
Figure 18 is the stereogram of the locked releasing parts in the back side;
Figure 19 is the front view of represent to be caused by the locked releasing parts in the back side locked/action of release mechanism;
Figure 20 is the stereogram of tiltedly observing from the back side based on the 3rd embodiment of the present utility model;
Figure 21 is the sectional view of the action bars of the key swich of Figure 20.
Label declaration:
1A, 1B, 1C key swich
2 switch case
3 opening and closing members
4 locked unlocking operation keys
21 first switches
22 second switches
25 electromagnetism solenoids
47A, 47B the first slide unit
48A, 48B the second slide unit
49 locked parts
50 locked unlocking operation bars
51A, the locked releasing parts in the 51B back side
56 inclined planes
63 inclined planes
76 first press sections
77 second press sections
81 first press sections
82 second press sections
83 action bars
Detailed description of the invention
Below, with reference to the accompanying drawings embodiment of the present utility model is described.
< the first embodiment >
Fig. 1, Fig. 2 represent the outward appearance of the key swich 1A based on the first embodiment of the present utility model.Key swich 1A is arranged on the access of the deathtrap that is surrounded and dispose Work robot etc. by safety barrier in production plant.Key swich 1A has switch case 2, door opening and closing member 3 and the locked unlocking operation key 4 as the part of locked unlocking operation unit.In the following description, using the one side that locked unlocking operation unit 4 is housed as above, corresponding with before this, above the face of upper and lower, left and right, the each side in the back side is called, bottom surface, left surface, right flank, the back side, to be called directions X facing to the direction at the back side in the past, be called Y-direction from left surface towards the direction of right flank, will be called Z direction from bottom surface towards direction above, in these directions, set X, Y, Z axis.
Switch case 2 is arranged on the outside of the safety barrier adjacent with the movable end of door.This switch case 2 consists of housing body 5, cover cap 6, top cap 7.As shown in Figure 3, housing body 5 is for having the box-shaped of peristome 8 above.As shown in Figure 2, form circular port 9 at the back side of housing body 5, be integrally formed sleeve 10 at these circular port 9 places, sleeve 10 is for installing the installation described later back side locked releasing parts 51A.As shown in Figure 3, cover cap 6 forms in the mode of the peristome 8 of covering shell main body 5.At the substantial middle place of housing 6, locked unlocking operation key 4 releasably inserts key fixator 11.This key fixator 11 is fixed on cover cap 6 by nut 20.The bottom surface of top cap 7 and left surface opening, it is the box-shaped of the top right corner portion of covering shell main body 5.Top cap 7 above and end face be formed with the insert port 12a, the 12b that insert an opening and closing member 3.To the installation direction of the opening and closing member 3 of answering the door, can select insert port 12a, 12b arbitrarily.
As shown in Figure 1, door opening and closing member 3 has the installation portion 13 on the door that is installed in safety barrier, and with respect to these installation portion 13 90-degree bents the insertion section 14 of inserting insert port 12a, the 12b of top cap 7.On insertion section 14, be formed with the connecting hole 15 of the rectangle fastening with the holding section 37 of door bolt mechanism 24 described later.
As shown in Figure 3, locked unlocking operation key 4 is known key, its be included in front end have snap fit tabs 16 tubular key main body 17 and be installed in the lever 18 of rear end.
As shown in Figure 3, in the inner side of switch case 2, inner casing 19 is to be installed in housing body 5 with the overlapping mode of cover cap 6.
As shown in Figure 4, be equipped with the first switch 21, second switch 22, terminal board 23, door bolt mechanism 24, electromagnetism solenoid 25 and locked release mechanism 26 as driver element in the inner side of housing body 5.
Observe from the front of housing body 5, the first switch 21 is disposed in right side, bottom, be pressed towards the inner closing of contact or disconnection of below if it is constituted as outstanding upward operating body 27, if remove operating body 2 press by back-moving spring (not shown) thus and reset upward that contact disconnects or closed.The first switch 21 has three pairs of contacts, although used in the present embodiment two contacts, can use at least one contact corresponding to purposes.
Observe from the front of housing body 5, second switch 22 is disposed in lower left side.With the first switch 21 similarly, be pressed towards the inner closing of contact or disconnection of below if second switch 22 is constituted as outstanding upward operating body 28, if operating body press be disengaged by back-moving spring (not shown) thus and reset upward that contact disconnects or closed.Although second switch 22 has three contacts, can use at least one contact corresponding to purposes.The contact of second switch 22 is connected in series by the contact of busbar 29a, 29b and the first switch 21.
Observe from the front of housing body, terminal board 23 is disposed in upper left-hand.Terminal board 23 has not shown display lamp and the energising terminal 30a~30d for electromagnetism solenoid 25.
As shown in Figure 3, door bolt mechanism 24 is arranged on the upper right of housing body 5, and is covered by top cap 7.Door bolt mechanism 24 is roughly made up of base component 31, cam body 32 and push rod 33.
Base component 31 has protuberance 34 in its both sides, and the mode that this base component 31 is U font with the front observation from housing body 5 is arranged in housing body 5.Between the protuberance 34 of both sides, axle 35 sets up in the Y direction.
Cam body 32 is arranged on axle 35 in the mode between the protuberance 34 at base component 31, on the circumference of Y-axis, can rotate.As shown in Figure 5, cam body 32 forms two recesses 36 that the insertion section 14 of the door opening and closing member 3 being inserted by insert port 12a from top cap 7 enters on the circumference of the first half, and is positioned at the position adjacent with this recess 36 and is fastened on two holding sections 37 of the connecting hole 15 of an opening and closing member 3; Form the roughly cam path 38 of U font in the latter half in the mode of surrounding axle 35, the diapire of cam path 38 forms cam surface.In the two side of cam path 38, form along the roughly guide hole 39 of U font of cam surface.
Push rod 33 thereon half part has major diameter portion 40, has minor diameter 41 in its latter half.The upper end of push rod 33, i.e. the upper end of major diameter portion 40, comprises the slide contact part 42 being slidably connected with the cam surface of cam body 32, and the sliding pin 43 fastening with the guide hole 39 of cam body 32.The lower end of push rod 33, i.e. the lower end of minor diameter 41, is formed with the holding section 44 fastening with the operating body 27 of the first switch 21.
As shown in Figure 4, be arranged on the upper left-hand of housing body 5 as the electromagnetism solenoid 25 of driver element.Electromagnetism solenoid 25 has the push rod 45 that can move in Z-direction.Be formed with holding section 46 in the lower end of push rod 45.
As shown in Figure 6, locked release mechanism 26 comprises the first slide unit 47A, the second slide unit 48A and locked parts 49, also has the locked releasing parts 51 of locked unlocking operation bar 50 and the back side as locked unlocking operation unit.
As shown in Figure 4, the first slide unit 47A is disposed between electromagnetism solenoid 25 and second switch 22.As shown in Figure 7, form the push rod slot 52 that the holding section 46 of the push rod 45 of electromagnetism solenoid 25 engages in the upper end of the first slide unit 47A, form the switch slot 53 fastening with the operating body 28 of second switch 22 in lower end.The back side at the first slide unit 47A forms engaging protrusion 54.Form the extension 55 extending in the Y direction in the right flank bottom of the first slide unit 47A, form at the back side of this extension 55 from oliquely downward the tilt inclined plane 56 of 45 ° of the upper corner parallel with Y-axis., this inclined plane 56 is parallel with Y-axis and be 45 ° with respect to X-axis and Z axis.The first slide unit 47A is by the driving of electromagnetism solenoid 25, in Y-direction and the direction contrary with Y-direction, can slide.
As shown in Figure 4, the second slide unit 48A configures with the behind at the first slide unit 47A and the local overlapping mode of the first slide unit 47A.As shown in Figure 8, in the situation that observing above, the second slide unit 48A is formed with sliding eye 57 in left side, be formed with pin insertion hole 58 on right side.Sliding eye 57 is L font in the situation that only observing from front, and by vertical sliding part 57a and the edge of extending to Z direction, the horizontal sliding part 57b extending to Y-direction forms.The second slide unit 48A above in the middle of form to the outstanding protuberance 59 of directions X rightabout.Front at this protuberance 59 forms engaging recessed part 60.In addition, form the extension 61 extending to Y-direction from the right flank bottom of protuberance 59, this extension 61 below, formation engages protuberance 62 to outstanding with the direction of Z opposite direction.At the back side of this engaging protuberance 62, form and be the inclined plane 63 that the mode of 45 ° tilts with the right corner portion from parallel with Z axis to oblique rear., this inclined plane 63 is parallel with Z axis and be 45 ° with respect to X-axis and Y-axis.
As shown in Figure 4, locked parts 49 are configured between door bolt mechanism 24 and the first switch 21.As shown in Figure 9, locked parts 49 form notch 64 at right-hand member, left end form to Y-direction rightabout on extend, arm 65 bending and that extend to directions X.The little notch 64b that the minor diameter 41 of the push rod 33 of the large notch 64a that notch 64 is engaged by the major diameter portion 40 of the push rod 33 of door bolt mechanism 24 and and door bolt mechanism 24 continuous with this large notch 64a engages forms.Front end at arm 65 forms the engagement pin 66 in pin insertion hole 58 from the second slide unit 48A to directions X that give prominence to and insert.
As shown in figure 10, comprise and insert key fixator 11 and the maintained retainer shaft 67 of mode rotating as the locked unlocking operation bar 50 of locked unlocking operation unit, and be fixed on the rotor plate 69 of the front end of this retainer shaft 67 by screw 68.Retainer shaft 67 has the engaging recessed part 70 fastening with the engaging protrusion 16 of locked unlocking operation key 4.Rotor plate 69 has in the axial direction of retainer shaft 67 finger 71 of extending, extending abreast with directions X, is formed with the holding section 72 engaging with the engaging recessed part 60 of the second slide unit 48A at the front end of this finger 71.
As shown in figure 11, the locked releasing parts in back side 51A has the main part 73 of the bar-like shape of circular cross-section.The back side locked releasing parts 51A forms at the front end of directions X button portion 74 and the key 75 that personnel can pressing operation, is forming the first press section 76 and the second press section 77 with the rightabout leading section of directions X.Slot to the top and the bottom of main part 73 and form tabularly in the first press section 76.A part of/4th of one week of the second press section 77 main part 73 to directions X rear side from the first press section 76 is slotted and forms.As shown in Figure 2, the locked releasing parts in back side 51A installs in the mode that can move on directions X on the sleeve 10 at the back side that is formed at housing body 5 and upwards cannot rotate in the week of X-axis by key 75.Preferably, the locked releasing parts in back side 51A by not shown spring members to the directions X application of force.And then, the first press section 76 of the back side locked releasing parts 51A forms in the mode of pressing the inclined plane 56 of the first slide unit 47A with the rightabout front end of X-axis, and the mode that the inclined plane 63 of the second slide unit 48A is pressed with the bight parallel with Z axis in the second press section 77 forms.
Below, the action of the key swich 1A formation by above being formed describes.
Now, the door of closed safe grid, locked unlocking operation bar 50 moves to locking position by locked unlocking operation key 4, and the locking state not driving in electromagnetism solenoid 25 is set.
Under the state of closing at the door of safety barrier, in Fig. 5, door opening and closing member 3 enters the recess 36 of the cam body 32 of door bolt mechanism 24, cam body 32 clockwise rotates around axle 35, holding section 37 is fastened in the connecting hole 15 of door switch parts 3, on the other hand, the sliding pin 43 of push rod 33 moves along guide hole 39, consequently, push rod 33 draws on quilt in Z direction, forms the state that can engage with the little notch 64b of locked parts 49 thereby the end difference 40a between major diameter portion 40 and minor diameter 41 is positioned at the top of locked parts 49.In addition, by push rod 33 in Z direction on draw, the operating body 27 of the first switch 21 by draw, the first switch 21 closures.
Deasil rotate under the state that moves to locking position by locked unlocking operation key 4 at locked unlocking operation bar 50, the second slide unit 48A is mobile to Y-direction (right in Figure 12), thereupon, locked parts 49 are also mobile to Y-direction (right in Figure 12), and the minor diameter 41 of little notch 64b and push rod 33 fastens.In addition, the engaging protrusion 54 of the first slide unit 47A is positioned at the vertical sliding part 57a place of the second slide unit 48A, thus Z direction and with its rightabout on can slide.The operating body 28 of second switch 22 pushes away on by the application of force being produced by back-moving spring, thus second switch 22 closures.In addition, above the pushing away of the operating body 28 by second switch 22, the first slide unit 47A moves in Z-direction, thereby is positioned at the upper end of the vertical sliding part 57a of the second slide unit 48A.Consequently, the second slide unit 48A is prevented from Y-direction and movement rightabout with it.In addition, Z direction and the movement rightabout with it of the push rod 33 of door bolt mechanism 24 are prevented from, and thereupon, the counterclockwise rotation of cam body 32 of door bolt mechanism 24 is prevented from.Consequently, door switch parts 3 cannot be extracted, and form locking state.In addition, due to the closure of the first switch 21 and second switch 22, the power circuit of robot etc. is connected, the state that the formation such as the robot configuring in safety barrier can drive.
When in safety barrier under the state of the drivings such as robot in order to detect etc. and while opening, the door opening signal of electromagnetism solenoid 25 based on from outside or mechanical stop signal and switch on.By the energising for electromagnetism solenoid 25, in Figure 12 (a), push rod 45 is outstanding downwards, by the first slide unit 47A to pressing down with Z opposite direction direction.Thus, as shown in Figure 12 (b), the engaging protrusion 54 of the first slide unit 47A is the vertical sliding part 57a of the sliding eye 57 of mobile the second slide unit 48A downwards, the second slide unit 48A be in horizontal sliding part 57b with Y-direction rightabout on the state that can move.In addition, by the movement downwards of the first slide unit 47A, the operating body 28 of second switch 22 is pressed, thereby second switch 22 disconnects.Therefore, power circuit disconnects, and robot etc. are halted state.
Then, when locked unlocking operation key 4 is to counterclockwise rotating, while making locked unlocking operation bar 50 turn to unlocked position, as shown in Figure 12 (c), the second slide unit 48A is moved to the direction contrary with Y-direction in the holding section 72 of the locked unlocking operation bar 50 engaging with the engaging recessed part 60 of the second slide unit 48A, thereupon, locked parts 49 also move to the direction contrary with Y-direction, the little notch 64b of locked parts 49 departs from from the minor diameter 41 of the push rod of door bolt mechanism 24, push rod 33 is the state that can move on above-below direction, thereby formation released state.
Under this state, operating personnel extracts locked unlocking operation key 4 hold from key swich 1A, if open door, the holding section 37 that cam body 32 is pressed at the edge of the connecting hole 15 of door opening and closing member 3, door switch parts 3 depart from from the recess 36 of the cam body 32 of door bolt mechanism 24, cam body 32 rotates counterclockwise on the circumference of drive link 35, on the other hand, the sliding pin 43 of push rod 33 moves along guide hole 39, consequently, push rod 33 with the direction of Z opposite direction on be pressed down, the stage 40a of portion between major diameter portion 40 and minor diameter 41 is positioned at the below of relatively locked parts 49, fasten with the large notch 64a of locked parts 49.In addition, due to push rod 33 with Z opposite direction direction on press down, the operating body 27 of the first switch 21 is pressed down, the first switch 21 disconnects.And if door opening and closing member 3 fully departs from from recess 36, cam body 32 remains on the state of Fig. 5 by not shown back-moving spring.
Locked unlocking operation key 4 is as long as be pulled out at released state, even if door is closed, the second slide unit 48A also remains on unlocked position.Therefore, hold locked release key 4 if enter the operating personnel of the deathtrap of safety barrier, just the machine of robot etc. cannot drive, also can not be closed in deathtrap.
But, multiple operating personnels enter deathtrap, wherein holding operating personnel's thing of locked unlocking operation key 4 finishes and leaves from deathtrap, other operating personnel unconfirmed also stays deathtrap, or, think that crew goes to outside by mistake, and when locked unlocking operation key 4 is inserted to key swich 1A and operates locking position, other operating personnel is closed in deathtrap.In addition, make a shutdown signal send if continue, electromagnetism solenoid 25 is disconnected, power circuit closure, and the robot configuring in safety barrier etc. is driven, and operating personnel can be exposed to extremely dangerous state.
In this case, in the utility model, owing to thering is the back side locked releasing parts 51A in key swich 1A, can escape from simply from deathtrap.Below the action of this back side locked releasing parts 51A is described.
As shown in Figure 13 (a), because the second slide unit 48A is in locking state, the also state in locking position of the first slide unit 47A, press the back side locked releasing parts 51A at the back side that is positioned at key swich 1A if be left on the operating personnel of inside, deathtrap, the locked releasing parts in back side 51A moves to the direction contrary with directions X.
As shown in Figure 13 (b), overleaf in the first stage of the push of locked releasing parts 51A, inclined plane 56, the first slide unit 47A that press the first slide unit 47A due to the first press section 76 of the back side locked releasing parts 51A are depressed to moving to unlocked position with the direction of Z opposite direction.
Afterwards, as shown in Figure 13 (c), overleaf in the second stage of the push of locked releasing parts 51A, by the second press section 77 of the back side locked releasing parts 51A, the first slide unit 47A promotion that is pressed, moves to unlocked position to the direction contrary with Y-direction.Thereupon, locked parts 49 also move to unlocked position to the direction contrary with Y-direction.
Therefore, the little notch 64b of locked parts 49 departs from from the minor diameter 41 of the push rod 33 of door bolt mechanism 24, and push rod 33 becomes the state that can move on above-below direction.The operating personnel of therefore, being closed in deathtrap can open from inner side door and escape from.
< the second embodiment >
Figure 14 represents to observe from the back side outward appearance of the related key swich 1B of the second embodiment of the present utility model.This key swich 1B is the type of pushing button with respect to the back side locked releasing parts 51A of the first embodiment, be set to the back side locked releasing parts 51B of rotating handles shape, thereupon, as shown in figure 15, except changing the shape of the first slide unit 47B and the second slide unit 48B, it is identical with the first embodiment, thereby corresponding part is given same-sign and omitted and describe.
As shown in figure 16, the first slide unit 47B using in this second embodiment does not arrange the inclined plane 56 the first slide unit 47A as having the first embodiment at the back side of extension 55.
As shown in figure 17, the second slide unit 48B does not arrange the inclined plane 63 the second slide unit 48A as having the first embodiment at protuberance 62.
As shown in figure 18, the locked releasing parts in back side 51B has the main part 78 of the bar-like shape of circular cross-section.The back side locked releasing parts 51B, the front end that is formed on directions X forms handle part 79 and the block 80 that personnel can rotating operation, is formed with the first press section 81 and the second press section 82 at the leading section of the direction contrary with directions X.Slot and form semi-cylindrical the first half in Figure 18 at main part 78 in the first press section 81.The slotting the latter half in Figure 18 of main part 78 of relative the first more close directions X rear side in press section 81 in the second press section 82 and form semi-cylindrical.As shown in figure 14, the back side locked releasing parts 51B is inserted in the sleeve 10 that the back side of switch case 2 forms, and is being arranged on stage portion (not shown) the engagement block 80 of inner face of sleeve 10, installs in mode that can 180 ° of rotations at X-axis circumference.Preferably, the locked releasing parts in back side 51B is by back-moving spring and to the application of force in a direction of X-axis circumference.And then, forming in the mode above of pressing the back side locked releasing parts 51B, the mode that the engaging protuberance 62 of the second slide unit 48B is pressed with a side of semicolumn and side face in the second press section 82 forms.
Even in the second embodiment, also can pass through the back side locked releasing parts 51B of key swich 1B, the operating personnel who is left on deathtrap can escape from simply from deathtrap.Action to this back side locked releasing parts 51B illustrates as follows.
As shown in Figure 19 (a), because the second slide unit 48B is in locking position, the also state in locking position of the first slide unit 47B, if the operating personnel who is left on the inside of deathtrap rotates the back side locked releasing parts 51B at the back side that is positioned at key swich 1B, the locked contact component 51B in the back side rotates on X-axis circumference.
As shown in Figure 19 (b), overleaf in the first stage of the rotating operation of locked releasing parts 51B, due to the first press section 81 of the back side locked releasing parts 51B press the first slide unit 47B extension 55 above, the first slide unit 47B is pressed down to moving to unlocked position with the direction of Z opposite direction.
As shown in Figure 19 (c), afterwards, the second stage of the rotating operation of locked releasing parts 51B overleaf, due to the side that the engaging protuberance 62 of the second slide unit 48B is pressed in the second press section 82 of the back side locked releasing parts 51B, the second slide unit 48B is pushed to the direction contrary with Y-direction by pressure and moves to unlocked position.Thereupon, locked parts 49 also move to unlocked position to the direction contrary with Y-direction.
Therefore, the little notch 64b of locked parts 49 departs from from the minor diameter 41 of the push rod 33 of door bolt mechanism 24, forms push rod 33 state movably up and down.The operating personnel of therefore, being closed in deathtrap can open from inner side door and escape from.
< the 3rd embodiment >
Figure 20 represents to observe from the back side outward appearance of the related key swich 1C of the 3rd embodiment of the present utility model.This key swich 1C is except the locked releasing parts 51A setting operation bar of the back side at the first embodiment 83, and it is identical with the first embodiment, and corresponding part gives same-sign and description thereof is omitted.
As shown in figure 21, action bars 83 comprises the housing 84 that the front end of the sleeve 10 of switch case 2 is installed, and the two ends of extending to Y direction in the inside of this housing 84 are supported on the action axle 85 and the rocking handle 86 that is installed in one end outstanding from the housing 84 of this action axle 85 of the two side of housing 84.Rocking handle 86 arranges in mode that can 90 ° of rotations, it is to be connected between the locked releasing position of front end that the initial position of front end of the back side locked releasing parts 51A and one end of the half-terete circumference face 87b that presses portion 87 be connected to the back side locked releasing parts 51A rotatingly at the half-terete planar portions 87a that presses portion 87, is biased to initial position by not shown spring.
Be left on the operating personnel of deathtrap, if action bars 83 is depressed into locked releasing position from primary position, move the portion that presses 87 of axle 85 to rotate and press the front end of the back side locked releasing parts 51A.Therefore, as already described, locked unlocking structure 26 moves, and can open from inner side door and escape from.
And, the action bars 83 of the 3rd embodiment also can be suitable for the back side locked releasing parts 51B of the second embodiment, but in the case, action bars 83 needs only the mode of the back side locked releasing parts 51B can rotate the second embodiment on X-axis circumference, and locked releasing parts 51B is upper overleaf installs to rotate on X-axis circumference.

Claims (11)

1. a key swich, is characterized in that, comprising:
The first switch, in the time that door is closed, storage is arranged on the door opening and closing member on door, in the time that door is opened with discharge the action phase interlock of door bolt mechanism of described opening and closing member the switching of detecting gate;
Second switch, detects the locked and release undertaken by driver element, and described driver element drives based on door opening signal or door shutdown signal;
The first slide unit, moves by the driving of described driver element;
The second slide unit, the movement of a direction by described the first slide unit and cannot moving, the movement of another direction by described the first slide unit and can moving;
Locked parts, the mobile phase interlock with described the second slide unit, moves to locking position and unlocked position;
Locked unlocking operation unit, the mode that can operate with the outside from door arranges, and makes described the second slide unit move to locking position and unlocked position;
In described key swich, be provided with:
The locked releasing parts in the back side, the mode that can operate with the inner side from door arranges, by operation first stage make described the first slide unit move to unlocked position, and by operation second stage make described the second slide unit move to unlocked position.
2. key swich according to claim 1, is characterized in that,
Described the first slide unit forms in the mode that moves to first direction and the second direction contrary with this first direction along the first axle by the driving of described driver element;
Described the second slide unit with the movement of the first direction by described the first slide unit along the second axial third direction vertical with described the first axle with contrary fourth direction can move with this third direction, and the movement of second direction by described the first slide unit and forming to described third direction and the irremovable mode of described fourth direction;
Described locked parts are conciliate lock assembly mode to move to locking position forms, at described locking position place, described locked parts and described the second slide unit are to the mobile phase interlock of described third direction and be received into locked described door bolt mechanism under the state of described door opening and closing member at described door bolt mechanism, in described unlocked position, described locked parts and described the second slide unit are set to discharge the state of described door opening and closing member to the mobile phase interlock of fourth direction and described door bolt mechanism;
Described locked unlocking operation unit so that the mode that described the second slide unit moves to described third direction and described fourth direction form;
The locked releasing parts in the described back side are by the first stage of operation, described the first slide unit is moved to first direction, and the mode that described slide unit is moved by the second stage of operation to third direction forms.
3. key swich according to claim 1, is characterized in that, the locked releasing parts in the described back side arrange in mode that can push operation.
4. key swich according to claim 3, is characterized in that,
On at least one of the locked releasing parts of described the first slide unit or the described back side, the first inclined plane is set, described the first inclined plane makes described the first slide unit move to first direction by the first stage of the operation of the locked releasing parts in the described back side;
On at least one of the locked releasing parts of described the second slide unit or the described back side, the second inclined plane is set, described the second inclined plane makes described the second slide unit move to third direction by the second stage of the operation of the locked releasing parts in the described back side.
5. key swich according to claim 2, is characterized in that, the locked releasing parts in the described back side arrange in mode that can push operation.
6. key swich according to claim 5, is characterized in that,
On at least one of the locked releasing parts of described the first slide unit or the described back side, the first inclined plane is set, described the first inclined plane makes described the first slide unit move to first direction by the first stage of the operation of the locked releasing parts in the described back side;
On at least one of the locked releasing parts of described the second slide unit or the described back side, the second inclined plane is set, described the second inclined plane makes described the second slide unit move to third direction by the second stage of the operation of the locked releasing parts in the described back side.
7. key swich according to claim 1, is characterized in that, the locked releasing parts in the described back side arrange in the mode that can rotate operation.
8. key swich according to claim 7, is characterized in that,
On the locked releasing parts in the described back side, setting is pressed described the first slide unit so that its first press section of moving to first direction by the first stage of the operation of the locked releasing parts in the described back side;
On the locked releasing parts in the described back side, setting is pressed described the second slide unit so that its second press section of moving to third direction by the second stage of the operation of the locked releasing parts in the described back side.
9. key swich according to claim 2, is characterized in that, the locked releasing parts in the described back side arrange in the mode that can rotate operation.
10. key swich according to claim 9, is characterized in that,
On the locked releasing parts in the described back side, setting is pressed described the first slide unit so that its first press section of moving to first direction by the first stage of the operation of the locked releasing parts in the described back side;
On the locked releasing parts in the described back side, setting is pressed described the second slide unit so that its second press section of moving to third direction by the second stage of the operation of the locked releasing parts in the described back side.
11. according to the key swich described in claim 1-10 any one, it is characterized in that the action bars of the locked releasing parts in the back side described in setting operation.
CN201320678910.6U 2012-11-15 2013-10-30 Key switch Expired - Fee Related CN203769454U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012251087A JP5974845B2 (en) 2012-11-15 2012-11-15 Key switch
JP2012-251087 2012-11-15

Publications (1)

Publication Number Publication Date
CN203769454U true CN203769454U (en) 2014-08-13

Family

ID=50756675

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201320678910.6U Expired - Fee Related CN203769454U (en) 2012-11-15 2013-10-30 Key switch
CN201310529274.5A Active CN103821411B (en) 2012-11-15 2013-10-30 Key swich

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310529274.5A Active CN103821411B (en) 2012-11-15 2013-10-30 Key swich

Country Status (3)

Country Link
JP (1) JP5974845B2 (en)
KR (1) KR101524539B1 (en)
CN (2) CN203769454U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821411A (en) * 2012-11-15 2014-05-28 欧姆龙株式会社 Key switch
CN111404069A (en) * 2019-01-02 2020-07-10 Ls产电株式会社 Lead-in and lead-out device of circuit breaker comprising interlocking module

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102605323B1 (en) * 2022-11-01 2023-11-23 주식회사 세펙트 Inter lock switch assembly and key detecting plate

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2721622B2 (en) * 1992-08-31 1998-03-04 和泉電気株式会社 Safety switch device
JPH10334772A (en) * 1997-03-31 1998-12-18 Idec Izumi Corp Safety switch
JPH10302580A (en) * 1997-04-30 1998-11-13 Idec Izumi Corp Safety switch
JP4047994B2 (en) * 1999-01-14 2008-02-13 Idec株式会社 Safety switch
JP4003390B2 (en) * 2000-11-17 2007-11-07 オムロン株式会社 Key switch
JP4396542B2 (en) * 2005-02-18 2010-01-13 オムロン株式会社 Key switch
DE112006003311T5 (en) * 2005-12-09 2008-10-30 Idec Corp. safety switch
JP4710648B2 (en) * 2006-02-23 2011-06-29 オムロン株式会社 Safety switch
JP2008277291A (en) * 2007-04-06 2008-11-13 Idec Corp Safety switch
JP2009016060A (en) * 2007-06-29 2009-01-22 Sunx Ltd Safety switch
US8017880B2 (en) * 2008-06-26 2011-09-13 Honeywell International Inc. Safety switch
JP5974845B2 (en) * 2012-11-15 2016-08-23 オムロン株式会社 Key switch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821411A (en) * 2012-11-15 2014-05-28 欧姆龙株式会社 Key switch
CN103821411B (en) * 2012-11-15 2016-09-28 欧姆龙株式会社 Key swich
CN111404069A (en) * 2019-01-02 2020-07-10 Ls产电株式会社 Lead-in and lead-out device of circuit breaker comprising interlocking module
CN111404069B (en) * 2019-01-02 2022-10-04 Ls产电株式会社 Lead-in and lead-out device of circuit breaker comprising interlocking module
US11476646B2 (en) 2019-01-02 2022-10-18 Ls Electric Co., Ltd. Retracting and extending apparatus for circuit breaker with interlock module

Also Published As

Publication number Publication date
CN103821411B (en) 2016-09-28
CN103821411A (en) 2014-05-28
JP2014099350A (en) 2014-05-29
JP5974845B2 (en) 2016-08-23
KR20140063405A (en) 2014-05-27
KR101524539B1 (en) 2015-06-01

Similar Documents

Publication Publication Date Title
CN203769454U (en) Key switch
US10447016B2 (en) Safety device for the locking and actuation of electrical connectors provided in extractable drawer for MCC cabinet
EP3103129A1 (en) Disconnect operating handles suitable for circuit breakers and related bucket assemblies and handle interlocks
CN203434502U (en) A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches
CN208142056U (en) The padlock mechanism and double power supply automatic transfer switch of double power supply automatic transfer switch
CN103441439A (en) Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches
CN102953607B (en) Safe opening device for cabinet
RU2578127C2 (en) Unit of auxiliary contacts
CN101675563A (en) Front assembly, rack having said front assembly and switchgear cabinet comprising a plurality of said racks
JP2007007602A (en) Shredder
CN104685596A (en) Pushbutton compact component
RU2470431C2 (en) Sliding instrument unit and distributing cabinet with large number of sliding instrument units
JP4396478B2 (en) Key switch
CN209071929U (en) Mechanical interlock mechanism
CN103208382B (en) Function composite high-pressure metal sealing switch equipment manipulates interlock
CN203351457U (en) Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door
KR102467023B1 (en) Interlock device for draw-out unit of motor control panel
JP2010157488A (en) Safety switch
CN203787327U (en) Option switch
CN110120640B (en) Fall protection device, drawer and switchgear
JPH0676675A (en) Safety switch device
JP5722724B2 (en) Safety switch
JP5138015B2 (en) Misoperation prevention switch
US20050205403A1 (en) Secure operation mechanism for electrical shutdown device and device equipped with such a mechanism
CN203165727U (en) Multifunctional control interlocking device of high-tension metal enclosed switchgear

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140813

Termination date: 20211030