CN102677983A - Electromagnetic door lock of electrical equipment - Google Patents
Electromagnetic door lock of electrical equipment Download PDFInfo
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- CN102677983A CN102677983A CN2012100724216A CN201210072421A CN102677983A CN 102677983 A CN102677983 A CN 102677983A CN 2012100724216 A CN2012100724216 A CN 2012100724216A CN 201210072421 A CN201210072421 A CN 201210072421A CN 102677983 A CN102677983 A CN 102677983A
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Abstract
The invention discloses an electromagnetic door lock of electrical equipment. The electromagnetic door lock comprises a slider block device, a starter, a mechanical sensor and a mechanical linkage device, wherein the slider block devices is moved to a closing position along with shutoff of a door of the electrical equipment, the starter is used for providing power for switching on and switching off a switch device, the mechanical sensor is used for determining the closing position of the slider block device (20), when the slider block device is not located at the closing position, the starter is locked by the mechanical linkage device, and when the slider block device is located at the closing position, the starter is released by the mechanical linkage device, so that the switch device is located at a switch-on position. The mechanical sensor and the mechanical linkage device not only control the electromagnetic door gate in use of the electrical equipment, but lock movable components in the electromagnetic door gate in a transportation process so as to prevent the movable components from playing in the transportation process, and avoid from causing the components of the electromagnetic door lock in an abnormal state.
Description
Technical field
The present invention relates to a kind of commercialization or domestic electric appliance door lock of being used for, particularly a kind of electromagnetic door lock that is used to have a position induction device.
Background technology
The normal use of electric equipment has certain requirement to the door lock mechanism of equipment.Close under the good situation fully at commercialization or domestic electric appliance (like washing machine, dish-washing machine etc.) door, this door lock mechanism should be able to stop the door lock mechanism misoperation, avoids door lock state to change and influences the electric equipment follow-up operation.
Some existing electromagnetic door locks owing to there is not a position induction device, possibly cause the misoperation of electromagnetic door lock.For example, do not close at door of washing machine under the situation of (or not closing fully), electromagnetic door lock is in wrong lock-out state, influences the washing machine follow-up operation.Some existing electromagnetic door locks have electronic type door position induction device, through the switch on and off that control is connected with electromagnetic coil, control the electromagnetic coil works, to avoid the misoperation of electromagnetic door lock.But this mode need be added more part and control circuit, makes material cost and assembly cost higher; More in addition part means more failure mode, has reduced reliability of products.
In addition, existing electromagnetic door lock because the electromagnetic door lock that can cause that jolts in the transportation is in abnormal state, influences the final use of product in the process of transportation (comprising the transportation of independent door lock and the transportation that the door lock electric equipment is housed).
Summary of the invention
Therefore, one of the object of the invention provides a kind of mechanical type door position induction device, prevents that the electromagnetic door lock of electric equipment from misoperation in use taking place.
Another object of the present invention provides a kind of mechanical type door position induction device, prevents that the electromagnetic door lock of electric equipment is in abnormal state in transit.
In order to improve existing electromagnetic door lock; The invention provides an electromagnetic door lock that has mechanical type door position induction device; The mechanical type door position induction device of this electromagnetic door lock can stop family expenses or commercial appliance (like washing machine; Dish-washing machine etc.) close under the situation of (or not closing fully) the electromagnetic door lock parts at Men Wei by false triggering; And can prevent in transportation the electromagnetic door lock parts misoperation of door, thus guarantee that electromagnetic door lock is in correct state, guarantee that family expenses or commercial appliance can operate as normal.
In the present invention, this mechanical type door position induction device is arranged on slide block, lock dog or other like parts, as mechanical sensing element and gate stop interlock, the state of induction door; Whether mechanical motion mechanism in the mechanical type door position induction device control door lock decides it can move according to the door state simultaneously; If door closes fully, to press start button and pulse signal is provided to door lock, door lock is the ability regular event just, with switch closure and pin gate stop; If door does not close fully, to door lock the driving signal is provided even press start button, mechanical type door position induction device also can stop the door lock action.
In order to improve the electromagnetic door lock of existing electric equipment, the invention provides a kind of electromagnetic door lock, comprising:
Switching device (3,3/1,5,5/1) is used to switch on and off the power supply of electric equipment;
Slide block device (20), said slide block device (20) moves to fastening position along with closing of electric equipment door;
Starting drive (11,10,17) is used to provide the power of opening and breaking off said switching device;
The mechanical type induction installation is used for confirming the fastening position of slide block device (20), and said mechanical type induction installation has latched position and free position, and fastening position is corresponding on said free position and the said slide block device (20);
Mechanical linkage (11,25,28);
Do not close when putting when slide block device (20) is in, mechanical linkage pins starting drive (11);
Close when putting when slide block device (20) is in, mechanical linkage discharges starting drive (11), so that switch contact is in on-position.
In order to improve the electromagnetic door lock of existing electric equipment, the present invention also provides a kind of electromagnetic door lock, comprising:
(1) switching device (3/1,5/1) is used to switch on and off the power supply of electric equipment;
(2) slide block device (20A); Said slide block device (20A) moves to fastening position along with closing of electric equipment door; Said slide block device (20A) is provided with mechanical type induction installation (26); Said mechanical type induction installation (26) has a restriction site and a free position, and said free position is corresponding with said fastening position;
(3) starting drive (11A) is used for opening and breaking off said switch contact, and said actuating mechanism (11A) is provided with linkage (25) and said slide block device (20A) interlock;
When slide block device (20A) does not have when in the closed position, said linkage (25) is in the restriction site on the mechanical type induction installation (26), makes starting drive (11A) not move;
When slide block device (20A) was in the closed position, said linkage (25) was in the free position on the mechanical type induction installation (26), made starting drive (11A) to move, so that switch contact is in on-position.
In order to improve the electromagnetic door lock of existing electric equipment, the present invention also provides a kind of electromagnetic door lock, comprising:
(1) switching device (3/1,5/1) is used to switch on and off the power supply of electric equipment;
(2) slide block device (20B), said slide block device (20B) moves to fastening position along with closing of electric equipment door;
(3) lock dog device (4B) is used for when slide block device (20B) is in the closed position, pinning slide block device (20B), and said lock dog device (4B) is provided with linkage (27) and said slide block device (20B) interlock;
(4) starting drive (11B); Be used for opening and breaking off said switch contact; Said actuating mechanism (11B) is provided with mechanical type induction installation (28), and said mechanical type induction installation (28) has latched position and free position, and said free position is corresponding with the fastening position on the said slide block device (20B);
Do not close when putting when slide block device (20B) is in, said mechanical type induction installation (28) is limited in latched position by the linkage (27) on the lock dog device (4B), can not move;
Close when putting when slide block device (20B) is in, the linkage (27) on the said lock dog device (4B) is shifted to the free position of said mechanical type induction installation (28), makes starting drive (11B) to move so that switch contact is in on-position.
The invention provides a kind of mechanical device and realize a location sensitive function; For the door lock that does not have a location sensitive, utilize principle of the present invention, need only on original part basis, change frame for movement; Its electric wiring is not made any changes, maybe can accomplish to change minimum, need not increase new part original structure; Do not influence the circuit and the assembling of existing product; Have great advantage on the cost, also can not reduce reliability of products, have very high feasibility.For New Product's Design, also can adopt mechanical type door induction installation to realize an inducing function, simplify product structure, reduce number of parts, reduce cost, reliable.
In addition; Through long-term observation; The inventor recognizes in the process of door lock transportation (transportation of electric equipment after comprising the transportation of independent door lock and door lock being housed); Because some metal parts (for example iron core member) is heavier in the door lock mechanism, jolting in the transportation can cause heavier metal parts (like iron core) string moving, and can move by pulling miscellaneous part (like pen core lock framework) than the string of heavy metal parts (like iron core) is moving; Thereby what change electromagnetic door lock should have state, influences the final use of electromagnetic door lock and electric equipment.Existing electronic gate induction installation can only be in operation the electromagnetic coil circuit is broken off, and causes the moving electromagnetic door lock state entanglement problem that causes of parts (like iron core) string but can't solve the transportation moderately gusty air.
The invention provides a kind of mechanical type door induction installation and mechanical linkage; Not only can, electric equipment control electromagnetic door lock in using; And can in the process of transportation, pin in the electromagnetic door lock movably parts; Prevent that movably parts string in the process of transportation is moving, avoid the parts of electromagnetic door lock to be in abnormal state.
Description of drawings
Fig. 1 is the vertical view of the electromagnetic door lock of mechanical type door position induction device of the present invention;
Fig. 2 A is the vertical view that the electromagnetic door lock of mechanical type door position induction device of the present invention is housed, and wherein switch enclosure cover 2 is hidden;
Fig. 2 B is the partial sectional view of the electromagnetic door lock of machine door induction installation shown in Fig. 2 A along A-A;
Fig. 3 A is the echelon sectional view of the electromagnetic door lock of machine door induction installation shown in Fig. 2 A along B-B, shows the sectional view of the electromagnetic door lock (when Men Wei closes) of mechanical type door position induction device first embodiment of the present invention;
Fig. 3 B is the echelon sectional view of the electromagnetic door lock of machine door induction installation shown in Fig. 2 A along B-B, shows the sectional view of the electromagnetic door lock (when door is closed) of mechanical type door position induction device first embodiment of the present invention;
Fig. 4 A is the enlarged drawing of parts in Fig. 2 A centre circle, the unlocked position of diagram electromagnetic door lock of the present invention;
Fig. 4 B is the enlarged drawing of parts in Fig. 2 A centre circle, the locked position of diagram invention electromagnetic door lock;
Fig. 5 is the rear perspective view of electromagnetic door lock among Fig. 2 A;
Fig. 6 is the enlarged drawing (Men Wei closes, and slide block 20 does not move, and lock support 19 is by the part excision) of Fig. 5 A first embodiment electromagnetic door lock circle part;
Fig. 7 is parts dismounting figure (not comprising lock support 19) among Fig. 6;
Fig. 8 is the elevation (lock support 19 is hidden) of first embodiment of the invention electromagnetic door lock Fig. 6;
Fig. 9 is the elevation (door is closed, and promotes slide block 20 and moves to fastening position, and lock support 19 is hidden) of first embodiment of the invention electromagnetic door lock Fig. 6
Figure 10 A is the stereogram (door lock support 19 is hidden for switch enclosure 1, switch enclosure cover 2) at the reverse side visual angle of Fig. 8;
Figure 10 B is that the slide block 20A of first embodiment of the invention is in locked position, the view that slide block lockhole 30 aligns with lock dog 4;
Figure 11 is the parts dismounting figure of the electromagnetic door lock of first embodiment of the invention;
Figure 12 is the component diagram of the electromagnetic door lock of second embodiment of the invention;
Figure 13 A is the sketch map that the electromagnetic door lock of the second embodiment of the present invention is in original state (Men Weiguan);
Figure 13 B is the view of electromagnetic door lock when door is closed of the second embodiment of the present invention.
Specific embodiment
The following accompanying drawing of existing combination is described embodiments of the invention.In following accompanying drawing, same parts in addition use same drawing number, and similar parts in addition use similar drawing number, are repeated in this description avoiding.
In order to understand the present invention better, the label among the embodiment in the accompanying drawing representes that parts are following:
1 switch enclosure
The wide portion of 1/1 switch enclosure T shape
The narrow portion of 1/2 switch enclosure T shape
2 switch enclosure covers
3 fixed contact terminals
3/1 contact
4 lock dogs (4A or 4B)
5 armature contact shell fragments
5/1 armature contact
6 shell fragment terminals
7 PCT terminals
8 PCT resistance
9 terminal springs
10 electromagnetic coils
11 pen cores lock framework (11A or 11B)
12 buttons
13 rotors
14 pen cores lock fixed mount
15 spring guide pillars
16 pen cores lock spring
17 iron cores
18 magazines
19 door lock supports
20 slide blocks (20A or 20B)
21 over caps
22 sliding block springs
23 rocking arms
24 gate stops
25 pen cores lock framework guide pillar
26 slide block L type grooves
27 lock dog guide pillars
28 pen cores lock framework skewed slot
29 door lock support door stop holes
30 slide block lockholes
31 slide block door stop holes
32 slide blocks " L " type cell wall
35 switch module devices
36 pen core lock set devices
37 electromagnetic coil assembly devices
42 gate stop heads
43 gate stops are buckled
Hole wall is established in 44 outsides
Strip hole at the bottom of 45 boxes
Square opening at the bottom of 46 boxes
1103 slide block mounting grooves
1104 slide block mounting groove openings
1105 door lock bracket heads
1106 door lock stake bodies
1107 door lock support bodies of wall
1302 gathering sill inclined-planes
Fig. 1 is that the present invention is the electromagnetic door lock 100 that has mechanical type door position induction device.As shown in Figure 1, electromagnetic door lock 100 comprises switch enclosure 1, switch enclosure cover 2, door lock support 19 and rocking arm 23.Door lock support 19 is provided with door lock support door stop hole 29; Switch enclosure 1 is T font dress, has wide 1/1 of T shape and T shape narrow 1/2.Narrow 1/2 of the T shape of switch enclosure 1 is installed on the door lock support 19, and wide 1/1 of T shape extended the outside (seeing Figure 11 for details) of door lock support 19; Switch enclosure cover 2 is installed on the switch enclosure 1.
Fig. 2 A is the vertical view of electromagnetic door lock 100 of the present invention.For the relation between the display unit better, switch enclosure cover 2 is hidden.Shown in Fig. 2 A, electromagnetic door lock 100 of the present invention comprises: contact terminal 3, fixed contact 3/1, lock dog 4, armature contact shell fragment 5; Armature contact 5/1, shell fragment terminal 6, PCT terminal 7, PCT resistance 8, terminal springs 9; Electromagnetic coil 10, pen core lock framework 11 (11A or 11B), button 12, rotor 13, pen core lock fixed mount 14; Spring guide pillar 15, pen core lock spring 16, iron core 17, magazine 18 and rocking arm 23.Electromagnetic door lock 100 can be divided into three assembly apparatus, comprises switch module device 35, pen core lock set device 36 and electromagnetic coil assembly device 37.Switch module device 35 comprises fixed contact terminals 3, fixed contact 3/1, lock dog 4, armature contact shell fragment 5 and armature contact 5/1; Pen core lock set device 36 comprises pen core lock framework 11, button 12, rotor 13, pen core lock fixed mount 14, spring guide pillar 15 and pen core lock spring 16; Electromagnetic coil assembly device 37 comprises electromagnetic coil 10, iron core 17 and magazine 18.Electromagnetic coil 10 is centered around on the magazine 18; Iron core 17 1 ends are installed (or fixing) on pen core lock framework 11, the adjacent and alignment (align with) of the cavity of the other end and magazine 18.So, when in electromagnetic coil 10, passing to the electric current of different directions, iron core 17 just can be in the cavity of magazine 18 back and forth (or back and forth) move, thereby drive pen core lock framework 11 back and forth (or back and forth) move.Switch module device 35, pen core lock set device 36 all is installed in the switch enclosure 1 with electromagnetic coil assembly device 37.Indicate the position of pen core lock set device 36 and electromagnetic coil assembly device 37 among Fig. 2 A with the oval frame line.
Fig. 2 B be electromagnetic door lock 100 shown in Fig. 2 A along the sectional view of A-A direction, Fig. 3 A-B is that electromagnetic door lock 100 shown in Fig. 2 A is along the echelon sectional view of B-B direction.Shown in Fig. 3 A-B, slide block 20 is installed between the bottom and door lock support 19 of switch enclosure 1; Gate stop 24 is installed in lock support door stop hole 29, and gate stop 24 can move up and down, and can rotate around gate stop axle 48.
In Fig. 2 B, gate stop 24 has inserted lock support door stop hole 29 and slide block door stop hole 31, and door is not also closed fully.Shown in Fig. 2 B, lock support door stop hole 29 is arranged on the door lock support 19, and a side of lock support door stop hole 29 is provided with gate stop and buckles 43.Because slide block 20 is not shunk back (or moving right) along its length direction backward, slide block 20 is in free position, and lock support door stop hole 29 and 31 alignment of slide block door stop hole (or roughly alignment) do not fasten gate stop head 42 so gate stop buckles 43.At this moment, the user can open electric fixtures door (not shown) through pulling gate stop 24.
Fig. 3 A is that electromagnetic door lock 100 first embodiment of the present invention are along B-B echelon sectional view (when Men Wei closes) among Fig. 2 A.Shown in Fig. 3 A; When Men Wei closes; Door lock is in original state; Slide block 20 (being 20A) is in free position, and the door stop hole 31 that is located on the slide block 20 (being 20A) aligns with the door stop hole 29 of door lock support 19, and gate stop 24 can insert the door stop hole 29 on door stop hole 31 and the door lock support on the slide block like a cork.Lockhole 30 on the slide block 20 (being 20A) staggers with lock dog 4 (being 4A), stops lock dog 4 (being 4A) to move down; Simultaneously, lock dog guide pillar 27 is lifted by pen core lock framework 11 (being 11A), and coupled armature contact 5/1 is separated with fixed contact 3/1, and switch is in off-state, makes electromagnetic coil 10 not receive and drives signal.And the guide pillar 25 on the pen core lock framework 11 (being 11A) is in sideslip groove 26. in the L type chute 26 on the slide block 20 (being 20A)
HIn, its latter half is gone up sideslip groove 26. by slide block 20 (being 20A)
H Cell wall 32 block, make its can't move along vertical page (concrete structure is referring to Fig. 6-9).
Fig. 3 B is along B-B echelon sectional view (when door is closed) among Fig. 2 A among electromagnetic door lock 100 first embodiment of the present invention.Shown in Fig. 3 B, after door was closed, gate stop 24 inserted door stop hole 29 and slide block door stop hole 31, and slide block 20 (being 20A) is pushed to locked position, the lockhole 30 of slide block 20 this moment (being 20A) and lock dog 4 (being 4A) alignment; After gate stop 24 rotated an angle around gate stop axle 48, gate stop head 42 buckled in the gate stop head 43, makes gate stop head 42 can not be pulled out door lock support door stop hole 29.And the guide pillar 25 on the pen core lock framework 11 (being 11A) is in perpendicular chute 26. in the L type chute 26 of slide block 20 (being 20A)
VIn, make its can move along vertical page (concrete structure is referring to Fig. 6-9).Electromagnetic coil in magazine 18 receives and drives signal (like pulse signal); Will produce electromagnetic force; To drive iron core 17 actions; Iron core 17 moves along vertical page with regard to stretchy pen core lock framework 11 (being 11A), and pen core lock framework 11 (being 11A) is removed back lock dog 4 (being 4A) inserts slide block 20 (being 20A) downwards under the elastic force effect of shell fragment 5 lockhole 30, and pinning slide block 20 (is 20A.Because lock dog 4 (being 4A) inserts the lockhole 30 of slide block 20 (being 20A), slide block 20 (being 20A) can not move, and gate stop 24 also will be lockable, and door can not be opened.Because the drive of lock dog 4 (being 4A), armature contact 5/1 contacts with contact 3/1, switch closure, and electric equipment can be started working.So the state of electric equipment door can accurately be reflected in the position of slide block 20 (being 20A), and whether the decision door latch structure can move.
Fig. 4 A is the parts enlarged drawing of oval frame line the inside among Fig. 2 A, and diagram pen core lock set device 36 is in the unlocked position.When pen core lock set device 36 was in the unlocked position, pen core lock framework 11 (being 11A) was positioned at the figure upper end, and lock dog guide pillar 27 is lifted (with reference to figure 3A) by pen core lock framework 11 (being 11A), caused switch to break off.Shown in Fig. 4 A, electromagnetic coil 10 is installed in the magazine 18.When electromagnetic coil 10 is fed the different directions electric currents, can make iron core 17 and pen core lock framework 11 (11A or 11B) along its axis move back and forth (shown in Fig. 4 A arrow direction of motion).
Fig. 4 B is the parts enlarged drawing of oval frame line the inside among Fig. 2 A, and expression diagram pen core lock set device 36 is in locked position.Compare with Fig. 4 A, iron core 17 has moved down a segment distance with pen core lock framework 11 (11A or 11B) along its axis.Can make iron core 17 and pen core lock framework 11 (11A or 11B) move downward if suppose the electric current of a direction, move on to locked position along its axis.When electromagnetic coil 10 is led to other reversing the current, iron core 17 and pen core lock framework 11 (11A or 11B) are moved up along its axis, turn back to released state.Shown in Fig. 4 B, the electromagnetic coil 10 in magazine 18 receives and drives signal (like pulse signal), produces electromagnetic force to drive iron core 17 actions; Iron core 17 moves down with regard to stretchy pen core lock framework 11 (being 11A or 11B); Pen core lock framework 11 (being 11A or 11B) is in lock position, and after pen core lock framework 11 (being 11A or 11B) was removed, lock dog 4 (being 4A or 4B) moved down under the elastic force effect of shell fragment; Armature contact 5/1 contacts switch closure with contact 3/1.
Fig. 5 is that back (or reverse side) parallax stereogram of electromagnetic door lock among Fig. 1 is used for, first embodiment of diagram electromagnetic door lock of the present invention.In Fig. 5, be used to illustrate the mated condition of the L type chute 26 on guide pillar 25 and the slide block 20 (being 20A) on the pen core lock framework 11 (being 11A) in the dotted line circle.As shown in Figure 5, door lock support 19 is provided with strip zone 503, and the another side of stripe region 503 (being door lock support 19 fronts) is provided with the slide block mounting groove 1103 (referring to Figure 11) that slide block 20 is installed.
Fig. 6 is the enlarged drawing of part in Fig. 5 A electromagnetic door dotted line circle, and Fig. 7 then is the parts dismounting figure of Fig. 6.Like Fig. 6 and shown in Figure 7, switch enclosure is provided with strip hole 45 at 1 the end, is used to let the guide pillar 25 that is arranged on the pen core lock framework 11 (being 11A) pass switch enclosure 1, arrives and is arranged on the L type chute 26 on the slide block 20 (being 20A), so that link with slide block 20 (being 20A).Square frame of broken lines representes to be located at the slide block lockhole 30 (being blocked by door lock support 19) on the slide block 20 (being 20A); Two arrows are represented guide pillar 25 mobile alignment when interlock in L type chute 26.On the L type chute 26 sideslip groove 26. is arranged
HWith vertical slot 26.
V, wherein the sideslip groove 26.
HExtend along Fig. 3 A-B left and right directions, and vertical slot 26.
V, extend along the direction that page is vertical.L type chute 26 is at its sideslip groove 26.
HBe provided with cell wall 32.When storage, transportation or use, the guide pillar 25 on the pen core lock framework 11 remains in the L type chute 26 on the slide block 20, in L type chute 26, moves when needing.Because the chute 26. on the L type chute 26
HAnd be cell wall 32 between the lockhole 30, when guide pillar 25 was in cell wall 32 positions, cell wall 32 can not move down (promptly can not moving along the direction of downward arrow among Fig. 8-9) thereby make pen core lock framework 11 (being 11A) to 25 barrier effects of guide pillar.
Fig. 7 is parts dismounting figure among Fig. 6.In order more clearly to illustrate the relation of slide block 20 and switch enclosure 1, Fig. 7 shows the structure in slide block 20 fronts, and slide block 20 is installed in switch enclosure 1 bottom, the front of slide block 20 (being provided with the one side of L type chute 26) and switch enclosure 1 pig.As shown in Figure 7, the corner of locking framework 11 (being 11A) at pen core is provided with guide pillar 25; Be provided with strip hole 45 and square opening 46 in the bottom of switch enclosure 1.The effect of strip hole 45 is for guide pillar 25 passage to be provided; The effect of square opening 46 is for lock dog 4 provides a passage, makes it get into slide block lockhole 30 through square opening 46.Pen core lock framework 11 (being 11A) is installed in switch enclosure 1, makes the guide pillar 25 on pen core lock framework 11 (being 11A) pass the strip hole 45 of switch enclosure 1.Slide block 20 is provided with L type chute 26; L type chute 26 comprises sideslip groove 26.
HWith vertical slot 26.
VThe guide pillar 25 of pen core lock framework 11 (being 11A) remains in the L type chute, makes that it can only be along sideslip groove 26.
HWith vertical slot 26.
VMove.Because the sideslip groove 26. on the L type chute 26
HAnd and slide block lockhole 30 between be sideslip groove 26.
H Cell wall 32, when guide pillar 25 was in cell wall 32 positions, cell wall 32 can be to 25 barrier effects of guide pillar.
In Fig. 6-7, because the existence of door lock support 19, some parts is blocked.So in following Fig. 8 and Fig. 9, some parts are omitted, so that can more be clearly shown that the concrete structure of interlock.
Fig. 8 is the elevation (door lock support 19 is hidden) of the electromagnetic door lock among first embodiment 100 among Fig. 6.In Fig. 8, slide block 20 (being 20A) is in free position, and the lockhole 30 and the lock dog 4 (being 4A) of slide block 20 (being 20A) stagger, and stops lock dog 4 (being 4A) to move down.And the guide pillar 25 on the pen core lock framework 11 (being 11A) is in the translot 26. of the L type chute 26 on the slide block 20 (being 20A)
H, downward direction is by sideslip groove 26.
H Cell wall 32 limit, make guide pillar 25 can't be downwards (among Fig. 8 the direction of arrow) downwards motion, thereby framework 11 (being 11A) can't move down.Because Fig. 8 shows the reverse side of L type chute 26 parts, so among Figure 81, L type chute 26 is blocked with cell wall 32.
Fig. 9 is the elevation (door lock support 19 is hidden) of the electromagnetic door lock among first embodiment among Fig. 6.In Fig. 9, when electromagnetic door lock was in locked position, slide block 20 (being 20A) moved left a segment distance (lateral arrows direction among Fig. 9) along horizontal direction, made the lockhole 30 and lock dog 4 relative (or alignment) of slide block 20; Make the guide pillar 25 on the pen core lock framework 11 (being 11A) be in vertical slot 26. on the L type chute on the slide block 20 (being 20A) simultaneously
VThe position, guide pillar 25 can be along the L type chute vertical slot 26. on the slide block 20 (being 20A)
VSlide in position (the downward direction of arrow among Fig. 9) downwards.That is to say, only move on to locked position, and work as the vertical slot 26. of L type chute 26 at slide block 20 (being 20A)
VWhen aliging with guide pillar 25, framework 11 (being 11A) just can move down, thus closed fixed contact 3/1 and armature contact 5/1.Equally, because Fig. 8 shows the reverse side of L type chute 26 parts, so among Figure 81, L type chute 26 is blocked with cell wall 32.
Figure 10 A is the stereogram (door lock support 19 is hidden for switch enclosure 1, switch enclosure cover 2) at the reverse side visual angle of Fig. 8, and the electromagnetic door lock of diagram first embodiment of the invention is in initially/off-position (Men Weiguan).Shown in Figure 10 A, slide block 20 (being 20A) is positioned at free position, and the guide pillar 25 on the pen core lock framework 11 (being 11A) is by sideslip groove 26.
H Cell wall 32 limit, even press the button 12, electromagnetic coil 10 is applied the driving signal, pen core lock framework 11 (being 11A) can not move along arrow A direction (being its axis direction).
Figure 10 B is the stereogram (door lock support 19 is hidden for switch enclosure 1, switch enclosure cover 2) at the reverse side visual angle of Fig. 8, and the electromagnetic door lock of diagram first embodiment of the invention is in locked position.Shown in Figure 10 B, when door was shut, gate stop 24 was shifted slide block 20 (being 20A) onto locked position along arrow B, slide block lockhole 30 align with lock dog 4 (being 4A) (referring to Fig. 9); Vertical slot 26. on guide pillar 25 on the while pen core lock framework 11 (being 11A) and the L type chute
VAlignment.At this moment, drive signal (like pulse signal), just can drag pen core lock framework 11 (being 11A) and move along an A direction (being its axis direction) as long as electromagnetic coil 10 receives.After pen core lock framework 11A removes, because pen core lock framework 11A and slide block 20A cancel the restriction of lock dog 4, so the lock dog 4 lock dog hole 30 that under the elastic force effect of shell fragment 5, moves down (shown in arrow C) and insert slide block 20A.Shown in Figure 10 B, vertical slot 26. on guide pillar 25 and L type chute
VDuring alignment, pen core lock framework 11 (being 11A) can come and go along the arrow A direction and move, and slide block 20 (being 20A) can come and go along the arrow B direction and move, and lock dog 4 comes and goes along the arrow C direction and moves, any two direction mutually orthogonals in these three moving directions or different mutually.Design of the present invention and structure; Be applicable to all associated components these three different directions move and interactive; Since all associated components can three different directions move and interactive, make that the electromagnetic door lock structure (comprising linkage structure of the present invention) of invention first embodiment is reasonable, compact.
Figure 11 is the parts dismounting figure of the electromagnetic door lock of first embodiment of the invention.Shown in figure 11, switch module device 35 (parts 3-5), pen core lock set device 36 (parts 11-16) and electromagnetic coil assembly device 37 (parts 10 and 17-18) all are installed in the switch enclosure 1.Have bracket head 1105 and stake body 1106 on the door lock support 19, bracket head 1105 is provided with door lock support door stop hole 29, towards extending body of wall 1107, reserves opening from the side of stake body 1106 from stake body 1,106 three, so that switch enclosure 1 is installed.In addition, on door lock support 19, be provided with strip slide block mounting groove 1103, prolong from stake body 1106 and give birth to bracket head 1105; The end (be far-end) of slide block mounting groove 1103 on stake body 1106 has mounting groove opening 1104.Slide block 20 is earlier from the mounting groove opening 1104 slide block mounting groove 1103 of packing into; In slide block mounting groove 1103, it is passed to bracket head 1105 directions then; Make the slide block lockhole 31 on the slide block 20 be positioned at the below of door lock support door stop hole 29; After slide block 20 was installed in slide block mounting groove 1103, switch enclosure 1 (its narrow portion of T shape) was installed in (between three face wall bodies 1107) on the stake body 1106; Over cap 21 is installed in bracket head 1105 back sides.Slide block 20 is between switch enclosure 1 and the stake body 1106 1106 sections of stake bodies; Slide block 20 is between over cap 21 and the bracket head 1105 1105 sections of bracket heads, and slide block 20 can move in aforementioned passageway, and its position, two is respectively freedom (door is opened) position and locking (door is closed) position.Rocking arm 23 is installed on the cantilever of support, and when pushing the support cantilever, rocking arm 23 moves down pushes lock dog 4 open; This device is used for release in emergency circumstances, promptly when door lock locked and normal mode can't release (as having a power failure or door lock damages), available the method manual unlocking.
According to first embodiment, electromagnetic door lock 100 comprises a mechanical type door induction mechanism, is arranged on pen core lock framework 11 (or 11A) and the slide block 20 (or 20A).Pen core lock framework 11 (or 11A) is provided with guide pillar 25, and slide block 20 (or 20A) is provided with " L " type chute 26 (specifically seeing Fig. 7-9), and this guide pillar 25 extends to switch enclosure 1 outer and slide block 20 (or 20A) interlock.And pen core lock framework 11 (or 11A) itself is a union piece, and it had both belonged to mechanical type door location sensitive mechanism, belongs to pen core lock set and slide block 20 (or 20A) again and keeps interaction relation.So the guide pillar 25 of pen core lock framework 11 (or 11A) remains in " L " type chute 26 on the slide block 20 (or 20A), in " L " type chute 26, move, and an end of slide block 20 (or 20A) is configured to and can slides on the top of door stop hole 31.Thereby make the door stop hole 31 of slide block 20 (or 20A) end and washing machine gate stop 24 link, and the interlock of the lock dog 4 (or 4A) in other end slide block lockhole 30 and the switch module.
In first embodiment (and among second embodiment), the effect of electromagnetic coil assembly device 37 is to receive 17 actions of driving signal (like pulse signal) rear drive iron core.Because iron core 17 fixed ends are installed on the pen core lock framework 11 (being 11A), pulling pen core lock framework 11 (11A) (or moves back and forth along its axis back and forth during iron core 17 actions.The effect of pen core lock set device 36 is to make pen core lock framework 11 (being 11A) remain on (like two positions that indicate respectively among Fig. 4 A-B) on pinning or the unlocked position.Lock dog 4 in the switch module device 35 (being 4A) cooperates with pen core lock framework 11 (being 11A), locks framework 11 (being 11A) when being in the unlocked position when pen core, and its can be with lock dog 4 (being 4A) jack-up (shown in Fig. 3 B), and switch contact 3/1 and 5/1 breaks off; Lock framework 11 (or 11A) when pen core and be in lock position, its can separate with lock dog 4 (being 4A), and lock dog 4 (or being 4A) falls (or return), switch contact 3/1 and 5/1 closure.Therefore the determining positions of pen core lock framework 11 (being 11A) position and the break-make of switching device of lock dog 4 (or 4A).
The first embodiment course of work is following:
During operate as normal, the electric equipment door is shut, and gate stop 24 promotes slide blocks 20 (being 20A) to locked position, and the lockhole of slide block 20 (being 20A) aligns with lock dog 4 (being 4A), lock dog 4 (the being 4A) lockhole 30 of can freely coming in and going out; When door lock receives the driving signal; Electromagnetic coil 10 drives iron core 17; Drag the position of pen core lock framework 11 (being 11A) to lock, separate with lock dog 4 (being 4A) at this position pen core lock framework 11 (being 11A), switch shrapnel 5 is owing to elastic band moving lock piece 4 (promptly) 4A of self moves downwards; Switch closure, electric equipment can operate as normal; Be fixed in the lockhole 30 of lock dog 4 (being 4A) entering slide block 20 (being 20A) simultaneously, slide block 20 (being 20A) also pins gate stop 24, and the electric equipment door can not be opened.But; When electric equipment Men Wei shuts (or in door lock transportation), slide block 20 (being 20A) is in free state, and its lockhole 30 staggers with lock dog 4 (being 4A); Stop lock dog 4 (being 4A) action downwards, " L " type runner wall 32 stops pen core lock framework 11 (being 11A) upper guide post 25 to move simultaneously; Even therefore electromagnetic coil 10 obtains to drive signal, drive iron core 17 and also can't drag pen core lock framework 11 (being 11A), door lock does not have any action, thereby guarantees that door lock is in correct state, and electric equipment also can't start work.When in electromagnetic door lock 100 transportations, being jolted, guide pillar 25 is by sideslip groove 26.
H Cell wall 32 limit, pen core lock framework 11 (being 11A) can not move, and can't drag pen core lock framework 11 (being 11A), thereby guarantee that door lock is in correct state.
Figure 12 is the component diagram of electromagnetic door lock 100 second embodiment of the present invention.In a second embodiment, in its pen core lock framework 11B, slide block 20B, lock dog 4B and first embodiment pen core lock framework 11A, slide block 20A, lock dog 4A different, miscellaneous part can be all the same.In a second embodiment, there is not the L type groove 26 on the 20A among first embodiment on the slide block 20B; There is not the guide pillar on the 11A 25 among first embodiment on the pen core lock framework 11B; And in first embodiment, do not have the guide pillar on the slide block 20B 27 among second embodiment on the slide block 20A.
According to second embodiment; Electromagnetic door lock 100 of the present invention comprises a mechanical type door induction structure; Be arranged on pen core lock framework 11 (being 11B) and the lock dog 4 (being 4B), promptly be provided with guiding skewed slot 28 on the pen core lock framework 11 (being 11B), be provided with guide pillar 27 on the lock dog 4 (being 4B).Pen core lock framework 11 (being 11B) drives lock dog guide pillar 27 and lifts or fall when being dragged by iron core 17; And guide pillar 27 moves in gathering sill 28 all the time; Its effect is the interlock through pen core lock framework 11B and lock dog 4 (being 4B); Make lock dog 4 (being 4B), slide block 20 (being 20B) and pen core lock framework 11 (being 11B) become parts constrained each other.Pen core lock framework 11 (being 11B) guiding skewed slot 28 cooperates with the guide pillar 27 of lock dog 4 (being 4B), and when storage, transportation or use, guide pillar 27 remains in the gathering sill 28, in pen core framework skewed slot 28, moves when needing.In a second embodiment, pen core lock framework 11 (being 11B) has both belonged to mechanical type door position induction device, belongs to the pen core lock set again.One end lockhole 30 of slide block 20 (being 20B) cooperates with lock dog 4 (being 4B); Other end door stop hole 31 and 24 interlocks of washing machine gate stop, the state of induction door.
Shown in figure 12, pen core lock framework 11B can come and go along the arrow A direction and move, and slide block 20B can come and go along the arrow B direction and move, and lock dog 4 comes and goes along the arrow C direction and moves, any two direction mutually orthogonals in these three moving directions or different mutually.Design of the present invention and structure; Be applicable to the mobile and interactive of these three different directions of associated components; Since all associated components can three different directions move and interactive, make that the electromagnetic door lock structure (comprising linkage structure of the present invention) of invention second embodiment is reasonable, compact.
Figure 13 A is that the electromagnetic door lock of second embodiment of the invention is in original state (Men Weiguan).At this moment, slide block 20 (being 20B) is at free position, and the lockhole 30 and the lock dog 4 (being 4B) of slide block 20 (being 20B) stagger, thereby lock dog 4 (being 4B) can not move down; At this moment; Even press the button 12; Drive signal generation horizontal direction electromagnetic force when electromagnetic coil 10 receives, when driving iron core 17 drew pen core lock framework 11 (being 11B), the leading section of the skewed slot 28 on the pen core lock framework 11 (being 11B) and the guide pillar 27 that leading section inclined-plane 1302 blocks on the lock dog 4 (being 4B) blocked; Thereby can not by electromagnetic force along about or horizontal direction pulling, thereby door lock can not produce misoperation when guaranteeing Men Weiguan.
Figure 13 B is the state of electromagnetic door lock 100 when door is closed of second embodiment of the invention.At this moment, slide block 20 (being 20B) is at locked position, and the lockhole 30 of slide block 20 (being 20B) aligns with lock dog 4 (being 4B), thereby lock dog 4 (being 4B) can move down; When connecing 10, electromagnetic coil receives the signal generation level that drives (or about) direction electromagnetic force; Drive iron core 17 and draw pen core lock framework 11 (when being 11B); The guide pillar 27 that skewed slot 28 on the pen core lock framework 11 (being 11B) drives on the lock dog 4 (being 4B) moves to oblique below, and promptly pen core lock framework 11 (being 11B) is moved to the left locked position.When guide pillar 27 shifts out the leading section inclined-plane 1302 of skewed slot 28, lock dog 4 (be 4B to) moves and inserts slide block lockhole 30 down, pins slide block 20 (being 20B), because slide block 20 (being 20B) can not move, gate stop 24 also will be lockable, and door can not be opened; Simultaneously lock dog 4 (being 4B) moves down and makes switch contact 3/1 and 5/1 closure, electric equipment (like washing machine etc.) can start working.So the position of slide block 20 (being 20A) can accurately be reflected the state of electric equipment door and determine whether door lock can move.
The second embodiment course of work is following:
During operate as normal, shown in Figure 13 B, the electric equipment door is shut, and gate stop 24 promotes slide block 20 (being 20B) to locked position, and its lockhole 30 aligns with lock dog 4 (being 4B), and lock dog 4 (being 4B) can freely be come in and gone out; When door lock receives the driving signal, electromagnetic coil 10 drives iron cores 17, drags the position of pen core lock framework 11 (being 11B) to lock; Lock dog 4 (being 4B) moves down along gathering sill 28 simultaneously; Switch shrapnel 5 is and then downwards action also, switch closure, and electric equipment can operate as normal; With its pinning, slide block 20 (being 20B) also blocks gate stop 24 in the lockhole 30 of while lock dog 4 (being 4B) insertion slide block 20 (being 20B), and the electric equipment door can not be opened.When electric equipment Men Wei shut, slide block 20 (being 20B) was in free position, and its lockhole 30 staggers with lock dog 4 (being 4B); Stop lock dog 4 (being 4B) action downwards,, drive iron core 17 and remove to drag pen core lock framework 11 (being 11B) if this moment, electromagnetic coil 10 acquisitions drove signal; Because guide pillar 27 is stuck in the inlet of guiding skewed slot 28 by inclined-plane 1302; Pen core lock framework 11 (being 11B) can not move, thereby guarantees that door lock is in correct state, and electric equipment can't start work.When in the electromagnetic door lock transportation, being jolted, because guide pillar 27 is stuck in the inlet of guiding skewed slot 28 by inclined-plane 1302, pen core lock framework 11 (being 11B) can not move, and can't drag pen core lock framework 11 (being 11B), thereby guarantee that door lock is in correct state.
Among two embodiment of the present invention, mechanical type induction installation (26 or 28) has a restriction site and a free position, and restriction site is corresponding with the non-closed condition of electric equipment door, and free position is corresponding with the closed condition of electric equipment door.Two embodiment of the present invention remove restriction (or blocking) starting drive (11A or 11B) and mechanical linkage (20A or 20B) with the restriction site on the mechanical type induction installation, thereby restriction (or pinning) starting drive (11A or 11B) is mobile; Remove to discharge starting drive (11A or 11B) with the free position on the mechanical type induction installation, thereby discharge mechanical linkage dress (20A or 20B), it can be moved.
In addition, among two embodiment, because the mechanical type induction installation do not rely on power work, so do not having under the situation of power supply state that also can the induction apparatus appliance doors, and restriction (or blocking) starting drive (11A or 11B).So, in transportation, receiving when jolting, heavier metal parts (like iron core) can not spur starting drive (11A or 11B) or other connected parts yet, thereby keeps electromagnetic door lock 100 to be in normal condition.
Electromagnetic door lock 100 of the present invention has following function: when the electric equipment door is shut but starting switch button not fully; Though gate stop 24 inserts in the door lock support door stop hole 29 (shown in Fig. 3 C); Because electromagnetic door lock 100 no any actions (not with power connection); Electric equipment 100 can not be worked, and the electric equipment door does not pin yet, and the user can open the electric equipment door through pulling gate stop 24.When the electric equipment door is not shut fully; Even the user presses starting switch; The electric equipment door can not be started working; Because machine door induction mechanism in the electromagnetic door lock 100 (machine door link gear) is sensed Men Wei and shut, machine door induction mechanism (machine door link gear) will stop electromagnetic door lock 100 actions.Have only when the electric equipment door and shut fully and the starting switch button, electromagnetic door lock 100 could move, and pins gate stop 24 and makes power switch closed.This moment, electric equipment was started working, and the electric equipment door can not be opened.After electric equipment work is accomplished; Control panel (not shown) in the electromagnetic door lock 100 sends signal and gives electromagnetic door lock 100; Gate stop 24 releases and the switch of cutting off the electricity supply are given in electromagnetic door lock 100 actions; The user can open the electric equipment door through pulling gate stop 24 again, and slide block 20 is got back to free position, so that get into next work period.In case of emergency (as having a power failure in the electric equipment course of work), the user can open the electric equipment door through holding the emergency release stay cord.
Claims (23)
1. the electromagnetic door lock that is used for electric equipment by switching device control, is characterized in that comprising:
Slide block device (20), said slide block device (20) moves to fastening position along with closing of electric equipment door;
Starting drive (11,10,17) is used to provide the power of opening and breaking off said switching device;
The mechanical type induction installation is used for confirming the fastening position of slide block device (20).
2. according to the said electromagnetic door lock of claim 1, said mechanical type induction installation has latched position and free position, and upward fastening position is corresponding with said slide block device (20) for said free position, it is characterized in that also comprising:
Mechanical linkage (11,25,28);
When slide block device (20) does not have when in the closed position, mechanical linkage pins starting drive (11);
When slide block device (20) was in the closed position, mechanical linkage discharged starting drive (11), so that switching device is in on-position.
3. according to the said electromagnetic door lock of claim 2, it is characterized in that:
Said mechanical linkage comprises guide pillar (25), and said mechanical type induction installation comprises L type groove (26), is used to hold guide pillar (25).
4. according to the said electromagnetic door lock of claim 3, it is characterized in that:
The L type groove (26) of said mechanical type induction installation is arranged on the slide block (20), and the guide pillar of said mechanical linkage (25) is arranged on the starting drive (11,10,17).
5. according to the said electromagnetic door lock of claim 4, it is characterized in that:
The L type groove (26) of said mechanical type induction installation is provided with cell wall (32), is used to limit guide pillar (25).
6. according to the said electromagnetic door lock of claim 1, it is characterized in that comprising:
Transmission device (4) is used for connecting or cut-off switch device (3,3/1,5,5/1).
7. according to the said electromagnetic door lock of claim 6, it is characterized in that:
Said mechanical type induction installation comprises skewed slot (28), and said transmission device comprises guide pillar (27).
8. according to the said electromagnetic door lock of claim 5, it is characterized in that:
Said skewed slot (28) is arranged on the starting drive, and said guide pillar (27) is arranged on the slide block device (20).
9. according to the said electromagnetic door lock of claim 1-8, it is characterized in that:
Said slide block device (20), starting drive (11,10,17) and transmission device (4) can move along three different directions.
10. according to the said electromagnetic door lock of claim 9, it is characterized in that:
One end of said slide block (20) is provided with door stop hole (31), is used to hold gate stop; The other end is provided with slide block lockhole (30), is used to hold said lock dog (4).
11., it is characterized in that according to the said electromagnetic door lock of claim 10:
Said starting drive (11,10,17) comprises framework (11) electromagnetic coil (10) and iron core (17), after to electromagnetic coil (10) galvanization, forms electromagnetic field, drags framework (11).
12. be used for the electromagnetic door lock of electric equipment, it is characterized in that comprising:
Switching device (3,3/1,5,5/1) is used to switch on and off the power supply of electric equipment;
Slide block device (20A); Said slide block device (20A) moves to fastening position along with closing of electric equipment door; Said slide block device (20A) is provided with mechanical type induction installation (26); Said mechanical type induction installation (26) has a restriction site and a free position, and said free position is corresponding with said fastening position;
Starting drive (11A) is used for opening and breaking off said switch contact, and said actuating mechanism (11A) is provided with linkage (25) and said slide block device (20A) interlock;
When slide block device (20A) does not have when in the closed position, said linkage (25) is in the restriction site on the mechanical type induction installation (26), makes starting drive (11A) not move;
When slide block device (20A) was in the closed position, said linkage (25) was in the free position on the mechanical type induction installation (26), made starting drive (11A) to move, so that switch contact is in on-position.
13., it is characterized in that according to the said electromagnetic door lock of claim 12:
Said mechanical linkage comprises guide pillar (25), and said mechanical type induction installation comprises L type groove (26), is used to hold guide pillar (25).
14., it is characterized in that according to the said electromagnetic door lock of claim 13:
The L type groove (26) of said mechanical type induction installation is arranged on the slide block (20), and the guide pillar of said mechanical linkage (25) is arranged on the starting drive (11,10,17).
15., it is characterized in that according to the said electromagnetic door lock of claim 14:
The L type groove (26) of said mechanical type induction installation is provided with cell wall (32), is used to limit guide pillar (25).
16., it is characterized in that comprising according to the said electromagnetic door lock of claim 15:
Transmission device (4) is used for connecting or cut-off switch device (3,3/1,5,5/1).
17. be used for the electromagnetic door lock of electric equipment, it is characterized in that comprising:
Switching device (3/1,5/1) is used to switch on and off the power supply of electric equipment;
Slide block device (20B), said slide block device (20B) moves to fastening position along with closing of electric equipment door;
Lock dog device (4B) is used for when slide block device (20B) is in the closed position, pinning slide block device (20B), and said lock dog device (4B) is provided with linkage (27) and said slide block device (20B) interlock;
Starting drive (11B); Be used for opening and breaking off said switch contact; Said actuating mechanism (11B) is provided with mechanical type induction installation (28), and said mechanical type induction installation (28) has latched position and free position, and said free position is corresponding with the fastening position on the said slide block device (20B);
Do not close when putting when slide block device (20B) is in, said mechanical type induction installation (28) is limited in latched position by the linkage (27) on the lock dog device (4B), can not move;
Close when putting when slide block device (20B) is in, the linkage (27) on the said lock dog device (4B) is shifted to the free position of said mechanical type induction installation (28), makes starting drive (11B) to move so that switch contact is in on-position.
18., it is characterized in that comprising according to the said electromagnetic door lock of claim 17:
Transmission device (4) is used for connecting or cut-off switch device (3,3/1,5,5/1).
19., it is characterized in that according to the said electromagnetic door lock of claim 18:
Said mechanical type induction installation comprises skewed slot (28), and said transmission device comprises guide pillar (27).
20., it is characterized in that according to the said electromagnetic door lock of claim 19:
Said skewed slot (28) is arranged on the starting drive, and said guide pillar (27) is arranged on the slide block device (20).
21., it is characterized in that according to the said electromagnetic door lock of claim 12-20:
Said slide block device (20), starting drive (11,10,17) and transmission device (4) can move along three different directions.
22., it is characterized in that according to the said electromagnetic door lock of claim 21:
One end of said slide block (20) is provided with door stop hole (31), is used to hold gate stop; The other end is provided with slide block lockhole (30), is used to hold said lock dog (4).
23., it is characterized in that according to the said electromagnetic door lock of claim 22:
Said starting drive (11,10,17) comprises framework (11) electromagnetic coil (10) and iron core (17), after to electromagnetic coil (10) galvanization, forms electromagnetic field, drags framework (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210072421.6A CN102677983B (en) | 2011-03-10 | 2012-03-09 | The electromagnetic door lock of electric equipment |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110063932.7 | 2011-03-10 | ||
| CN2011100639327 | 2011-03-10 | ||
| CN201110063932 | 2011-03-10 | ||
| CN201210072421.6A CN102677983B (en) | 2011-03-10 | 2012-03-09 | The electromagnetic door lock of electric equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN102677983A true CN102677983A (en) | 2012-09-19 |
| CN102677983B CN102677983B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210072421.6A Expired - Fee Related CN102677983B (en) | 2011-03-10 | 2012-03-09 | The electromagnetic door lock of electric equipment |
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| US11174581B2 (en) | 2017-07-13 | 2021-11-16 | Emz-Hanauer Gmbh & Co. Kgaa | Overlifting door latch with locking mechanism |
| CN109252765A (en) * | 2017-07-13 | 2019-01-22 | emz-汉拿两合有限公司 | Pull-up with locking mechanism limits latch |
| CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
| CN111946148A (en) * | 2019-05-14 | 2020-11-17 | 伊利诺斯工具制品有限公司 | Door lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677983B (en) | 2016-06-01 |
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